NCG030246_MONITORING INFO_20190326 (2)

STORMWATER DIVISION CODING SHEET
NCG PERMITS
PERMIT NO.
/V C&
DOCTYPE.
El HISTORICAL FILE
L� MONITORING REPORTS
DOC DATE
❑
YYYYMMDD

//1
Stormwater Discharge Monitoring Report
for North Carolina Division of Energy, Mineral and Land Resources General Permit No. NCG030000
Date submitted 312612019
CERTIFICATE OF COVERAGE NO. N0003 0 2 4 6
FACILITY NAME Hickory Manufacturing and Technology Center
COUNTY Catawba
PERSON COLLECTING SAMPLES Steve Street
LABORATORY Water Tech tabs Lab Cert. # 50
Comments on sample collection or analysis:
Quarterly sample
Part A: Stormwater Benchmarks and Monitoring Results
SAMPLE COLLECTION YEAR 2019 - Quarter 1
SAMPLE PERIOD ❑ Jan -June ❑ July -Dec
c/�
or ❑ Monthly) (month)
RECEI ECYISCHARGING TO CLASS ❑ORW ❑HQW [:]Trout❑PNA
tt..�� ❑Zero -flow ❑Water Supply ❑SA
—APR 2 2 2019 *Other C
CENTRAL F71LES
ftR SECr10N PLEASE REMEMBER TO SIGN ON PAGES 2 AND/OR 3 4
❑ No discharge this period?z
Outfall No.
Date Sample
Collected)
(mo/dd/yr)
24-hour rainfall
amount,
Inches3
Total Suspended Solids
pH,
Standard units
Total Copper
Total Lead
Total Zinc
Non -Polar O&G/
Total Petroleum
Hydrocarbons
Total Toxic
Organics'
Benchmarks
_
-
100 mg/L or 50 mg/L4
6.0 — 9.0
0.010 mg/L
0.075 mg/L
0.126 mg/L
15 mg/L
1 mg/L
Parameter Code
-
46529
C0530
00400
01119
01051
01094
00552
78141
SDO 3
2127/19
.02
26
8.02
.011
.003
.703
<5.6
NIA
SDO 5
2127/19
.02
35
7.91
.005
.001
.146
<5.6
NIA
1 Monthly sampling (instead of semi-annual) must begin with the second consecutive benchmark exceedance for the same parameter at the same outfall.
Z For sampling periods with no discharge at any single outfall, you must still submit this discharge monitoring report with a checkmark here.
3The total precipitation must be recorded using data from an on -site rain gauge. Unattended sites may be eligible for a waiver of the rain gauge requirement.
4 See General Permit, Section B, Table 1 to identify the especially sensitive receiving water classifications where the more protective benchmark applies.
5 Total Toxic Organics sampling is applicable only for those facilities which perform metal finishing operations, manufacture semiconductors, manufacture
electronic crystals, or manufacture cathode ray tubes. For purposes of this permit the definition of Total Toxic Organics is that definition contained in the EPA
Effluent Guidelines for the facility subject to the requirement to sample (for metal finishing use the definition as found in 40 CFR 433.11; for semiconductor
manufacture use the definition as found in 40 CFR 469.12; for electronic crystal manufacture use the definition as found in 40 CFR 469.22; and for cathode ray
tube manufacture use the definition found in 40 CFR 469.31).
Permit Date: 11/1/2018-05/31/2021 SWU-245, last revised 11/1/2018
Page 1 of 3

Facilities that incorporate a solvent management plan into the 5tormwater Pollution Prevention Plan may so certify, and the requirement for TTO monitoring
may be waived. The solvent management plan shall include a list of the total toxic organic compounds used and the other elements listed in the General
Permit_ For those facilities electing to employ the TTO monitoring waiver, the discharger shall sign the following certification statement:
"Based upon my inquiry of the person or persons directly responsible for managing compliance with the permit monitoring requirement for total toxic organics
(TTO), I certify that to the best of my knowledge and belief, no dumping of concentrated toxic organics into the stormwater or areas which are exposed to rainfall or
stormwater runoff has occurred since filing the last discharge monitoring report. I further certify that this facility is implementing the all the provisions of the
solvent management plan included in the Stormwater Pollution Prevention Plan."
N
Name (Print name)
N/A
Title (Print title)
Signature
3}z�f:zrJl�?
Date
Note: Results must be reported in numerical format. Do not report Below Detection Limit, BDL, <PQL, Non -detect, ND, or other similar non -numerical
format. When results are below the applicable limits, they must be reported in the format, "<XX mg/L", where XX is the numerical value of the detection
limit, reporting limit, etc. in mg/L.
Note: if you report a sample value in excess of the benchmark, you must implement Tier 1, Tier 2, or Tier 3 responses. See General Permit text.
Part B: Vehicle Maintenance Area Monitoring Results: only for facilities averaging > 55 gal of new oil per month.
❑ No discharge this period?z
Outfall No.
Date Sample Collected'
(mo/dd/yr)
24-hour rainfall amount,
inches3
New Motor Oil or
Hydraulic Oil Usage
Nan -Polar O&G/ Total
Petroleum Hydrocarbons
Total Suspended
Solids
Benchmarks
-
-
-
15 mg/L
100 mg/L or 50 mg/L°
Parameter Code
-
46529
NCOIL
00552
C0530
Footnotes from Part A also apply to Part B
Note: if you report a sample value in excess of the benchmark, you must implement Tier 1, Tier 2, or Tier 3 responses. See General Permit text.
Permit Date: 11/1/2018-05/31/2021 SWU-245, last revised 11/1/2018
Page 2of3

FOR PART A AND PART B MONITORING RESULTS:
• A BENCHMARK EXCEEDANCE TRIGGERS TIER 1 REQUIREMENTS. SEE PERMIT PART II SECTION B.
• 2 EXCEEDANCES IN A ROW FOR THE SAME PARAMETER AT THE SAME OUTFALL TRIGGER TIER 2 REQUIREMENTS. SEE PERMIT PART II SECTION B.
• TIER 3: HAS YOUR FACILITY HAD 4 OR MORE BENCHMARK EXCEEDENCES FOR THE SAME PARAMETER AT ANYONE OUTFALL? YES ❑ NO Q
IF YES, HAVE YOU CONTACTED THE DEMLR REGIONAL OFFICE? YES ❑ NO Q
REGIONAL OFFICE CONTACT !NAME:
Mail an oriainal copv of this DMR. includina all "No Discharge" reports, within 30 days of receipt of the lab results for at end of monitorina period in the
case of "No Discharge" reports) to:
Division of Water Quality
Attn: DWQ Central Files
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
YOU MUST SIGN THIS CERTIFICATION FOR ANY INFORMATION REPORTED:
"I certify, under penalty of law, that this document and all attachments were prepared under my direction or supervision in accordance with a system designed to
assure that qualified personnel properly gather and evaluate the information submitted. Based on my inquiry of the person or persons who manage the system, or
those persons directly responsible for gathering the information, the information submitted is, to the best of my knowledge and belief, true, accurate, and complete. I
am aware that there are significant penalties for submitting false information, including the possibility of fines and imprisonment for knowing violations."
Signature of Permittee
0 -3 0
Date
Permit Date: 11/1/2018-05/31/2021 SWU-245, last revised 11/1/2018
Page 3 of 3

A�
NC®ENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
Forguidance on filling out this form, please visit: http://portal.ncdgnr.ori!lweblwq/ws/su/npdQssw#tab-4
Permit No.: N/C/ 0//0/0/U/0/0/ or Certificate of Coverage No.: N/C/G/ Q / 3 / 0 / 2 / 4 / 6 /
Facility Name: Hickory Manufacturing and Technology Center - Corning Optical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Steve Street
Date of Inspection: 02/27/2019
Time of Inspection: 9:38 am
Total Event Precipitation (inches)..02"
All permits require qualitative monitoring to be performed during a "measureable storm event."
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature, I certify that this report is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
O 2019 Corning Incorporated, All Rights Reserved.
Page 1 of 2
SWU-242, Last modified 10/25/2012

1. Outfall Description:
Outfall No. 001 Structure (pipe, ditch, etc.) Pine
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: Reel storage, solid
waste containers designated for landfill, hazardous waste storage, and R&D building
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Color was clear.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
2 3 4 5
5. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
�1 2 3 4 5
b. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
01 2 3 4 5
7. Is there any foam in the stormwater discharge? Yes No
B. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater pollution: None
List and describe: SDO 41 is represented by SDO 43.
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
O 2019 Corning Incorporated. All Rights Reserved.

MCIENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
For guidance on filling out this form, please visit: http: //Mortal.ncdenr.org/web/wq /ws jjy/nndessw#tab-4
Permit No.: IV/C/ D/ 3/0/0/0/0/0/ or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and TechnolQg.y Center - Corning Optical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Steve Street
Date of Inspection: 212712019
Time of Inspection: 9:36 am
Total Event Precipitation (inches):.02"
All permits require qualitative monitoring to be performed during a "measureable storm event."
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature, I certify that this report is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
© 2019 Corning Incorporated. All Rights Reserved.
Pagel of 2
SWU-242, Last modified 10/25/2012

1. Outfall Description:
Outfall No. 002 Structure (pipe, ditch, etc.) Pipe
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: Solid waste containers
desifznated for landfill metal recycling container, and chemical storage area covered .
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Color was clear.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
11 2 3 4 5
5. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
P1 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
01 2 3 4 5
7. Is there any foam in the stormwater discharge? Yes No
8. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe: SDO #2 is represented by SDO #3.
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
© 2019 Corning Incorporated. Ali Rights Reserved.

A,441*-A
NC®ENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
Forguidance on filling out this form, please visit: http://portal.ncdenr.org/web/wq/ws/su/npdessw#tab-4
Permit No.: N/C/ 0/ 3/0/0/0/0/0/ or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and Technology Center - Corning Optical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Steve Street
Date of Inspection: 2/27/2019
Time of Inspection: 9:35 am
Total Event Precipitation (inches):.02"
All permits require qualitative monitoring to be performed during a "measureable storm event."
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature, 1 certify that this report is accurate and complete to the best of my knowledge:
(Signature of Permitted or Designee)
© 2019 Corning Incorporated. All Rights Reserved.
Pagel of 2
SWU-242, Last modified 10/25/2012

1. Outfall Description:
Outfall No. 003 Structure (pipe, ditch, etc.) Pipe
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: Reel storage, machine
shop, and warehouse.
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Color was gray from gravel dust generated by nearby rock
quarry.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
1 V 3 4 5
5. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
0 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
1 Q2 3 4 5
7. is there any foam in the stormwater discharge? Yes No
8. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
0 2019 Corning Incorporated. All Rights Reserved.

CC®ENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
For guidance on filling out this farm, please visit: http://portal.ncdenl.orp-lweblwq/ws/sti-/npdessw#tab:4
Permit No.: [V/C/ 0/ 3/0/0/0/0/0/ or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and Technology Center— Corning Optical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Steve Street
Date of Inspection: 2/2712019
Time of Inspection: 9:24 am
Total Event Precipitation (inches):.02"
All permits require qualitative monitoring to be performed during a "measureable storm event."
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature, I certify that this report is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
© 2019 Corning Incorporated. All Rights Reserved.
Page 1 of 2
SWII.242, Last modified 10/25/2012

1. Outfall Description:
Outfall No. 005 Structure (pipe, ditch, etc.) Pipe
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: Manufacture of fiber
optic cable and warehouse.
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Color was clear.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
1 0 3 4 5
5. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
1 2 5 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
1 Q2 3 4 5
7. Is there any foam in the stormwater discharge? Yes No
8. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
0 2019 Corning Incorporated. All Rights Reserved.

RAIN GAUGE RECORD
SITE Corning Optical Communications - HMTC
MONTH: February 2019
STORM EVENT DATA
DATE: .21,P-21a019
START TIME:
TOTAL TIME: iZOw��n
pH Meter Calibration - Date: /a01 Q
Temperature: 7x F
pH Meter reading for 7.0 buffer solution: 7 ot,
pH Meter reading for 4.0 buffer solution: L(,01 n
Slope of the calibration: 'i1.7 9
Buffer expiration date: t.jgleao
pH Measured at:
Outfall 003:
Outtall 005: �, Q r
End Time: Q; 3o A& -
Time: ( .'O q AM
DATE
TIME
RAINFALL INCHES
MEASURED BY
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
nd 0
25
'.30
26
', oo h
27
' 313
` SRC
a.
29
30
31

WRTERiTECH L1785mc.
POST OFFICE BOX 1056 • #5 PINEWOOD PLAZA DR.
GRANITE FALLS, NORTH CAROLINA 28630
[phone]
SAMPLE. Corning Optical (003) COLLECTION DATE: 2/27/2019
PERMIT #: COLLECTION TIME: 09:35
ADDRESS: Corning Optical RECEIVED DATE: 2/27/2019
P.O. Box 489 RECEIVED TIME: 11:47
Hickory, NC 28603-0489
REPORTED: 3/14/2019
ANALYSIS
ANALYSIS
RESULTS
UNITS
DATE
Lead
0.003
mg/L
317119
TSS
26.0
mg/L
2/28/19
Copper
0.011
mg/L
317119
Zinc
0.703
mg/L
314119
Oil & Grease
<5.6
mg/L
311119
ANALYST
IE
jdg
LOG ID: 1902-382 REPORTED BY: NC CERTIFIED LAB # 50
fv�� pP
Tony Gragg, Lab Supervisor

1dRrER4rECH LRES.Inc.
POST OFFICE BOx 1056 • #5 PINEWOOD PLAZA DR.
GRANITE FALLS, NORTH CAROLINA 28630
[phone]
SAMPLE: Corning Optical (005) COLLECTION DATE: 2/27/2019
PERMITA- COLLECTION TIME: 09:10
ADDRESS: Corning Optical RECEIVED DATE: 2/27/2019
P.O. Box 489 RECEIVED TIME: 11:47
Hickory, NC 28603-0489
REPORTED: 3/14/2019
ANALYSIS
ANALYSIS
RESULTS
UNITS
DATE ANALYST
Lead
0.001
mg1L
317119
TSS
35.0
mg/L
2128/19 jrg
Copper
0.005
mglL
317119
Zinc
0.146
mg/L
314I19
Oil & Grease
<5.6
mglL
311119 jdg
LOG ID: 1902-383 REPORTED BY: NCCERTIFIEDLAB # 50
fo� �' a �
Tony Gragg, Lab Supervisor

RESEARCh & ANA1yTiCA1
©ao LA ORAT®RIES, INC.
d Q
For: Water Tech Labs, Inc.
P.O. Box 1056
Granite Falls, NC 28630
Attn: Joe Gragg
Report of Analysis
3/12/2019
`,119111111881
AN�ELY'T�
,. 07 NC 034 0� N
NC #37701
*rr ��,,OjR�C'tQQ' f �5 ,��•
Client Sample ID: Corning Discharge 003 Lab Sample ID: 63588-01
Site: Water Tech Labs Collection Date: 2/27/2019 9:35
Parameter Method Result nits ReR Limit Analyst Analysis Daterrime
Copper, Total EPA 200.8 0.011 mg/L 0.001 JF 3/7/2019
Lead, Total EPA 200.8 0.003 mg1L 0.001 JF 3/7/2019
Zinc, Total EPA 200.7 0.703 mg1L 0.01 JF 3/4/2019
Client Sample ID: Corning Discharge 005 Lab Sample ID: 63588-02
Site: Water Tech Labs Collection Date: 2/27/2019 9:10
Parameter Method Result Units Rep Limit Analyst Analysis Date/Time
Copper, Total EPA 200.8 0.005 mg/L 0.001 JF 3/7/2019
Lead, Total EPA 200.8 0.001 mg/L 0.001 JF 3/7/2019
Zinc, Total EPA 200.7 0.146 mg/L 0.01 JF 3/4/2019
NA = not analyzed
P.O. Box 473 106 Short Street Kernersvitle, North Carolina 27284 Tel: [phone] Fax: [phone] www.randelabs.com Page 1
;al Cn.'i I]35iC � ld

WATE-R LA\
���
5 Pinewood Plaza Drive - P.O. Box 1056
Granite Falls, NC 28630
Phone [phone] - Fax [phone]
CLIENT: Corning Cable Systems-TC Pit PHONE NUMBER: 828-327-5000
c/o Steve Street
P.0 Box 489
Hickory, NC 28603-0489
TYPE SAMPLE: Stormwater
No. LOCATIONS: 2
SAMPLER NAME:
Sample Collection
Information
TYPE
CONTAINERS
ANALYSIS REQUIRED
Sample Location
Facili Name
DATE
TIME
TEMP. °C
Grab/
composite
No
Plastic/
Glass
Discharge 003
I
r
Grab
3
Plastid
Glass
TSS, Oil & Gr., Lead, Copper, Zinc
005 Discharge
g
I
o7�2�! j9
Grab
3
Plastid
Glass
TSS, Oil & Gr., Lead, Copper, Zinc
PP
Relinquished By:
Date: W19
Time:
ffr P
R cieve
Date:
��j
Time:
(l i
Relin uished By:
Date:
Time:
ceived By
Date:
Time:
PRESERVATION:
[,eoar40C
h��
[] NaOH
[ J HNO3
[] Dechlornating Agent
[] Other
SAMPLE TEMP. @ LAB (°C)
Chlorine Residual �gll
NC CERTIFIED LAB # 50

CORNING
March 261h, 2019
Ahmed Koilakh Hickory Manufacturing and 1828.901-5699
Plant Manager Technology Center f 828-901-5665
PO Box 489 Ahmed. [e-mail]
Hickory, NC 28603 www,coming.com
North Carolina Department of Environmental Quality
Division of Energy, Mineral, and Land Resources
Attn: DWQ Central Piles
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
Dear Sir/Madam:
Please find enclosed an original and one (1) copy of the Stormwater Discharge Monitoring
Report for Corning Optical Communications, LLC — Hickory Manufacturing and Technology
Center (HMTC) located in Hickory, Catawba County, North Carolina. The stormwater
samples were collected on 2/27/2019 for the permitted outfalls and represent the quarterly
sample as specified in the requirements set forth by NCDEQ for HMTC.
The results reflect HMTC to be outside the benchmark value for the following-,
• Copper and zinc at SDO #3
• Zinc at SDO #5
Additional attachments include the Laboratory Analytical Report, Chain -of -Custody, Rainfall
Record, and Qualitative Monitoring Report. Please contact Steve Street if you have any
questions regarding this submittal at 828-901-5699.
Sincerely,
Ahmed Koilakh
Plant Manager
cc: Kim Szarmack
Steve Street
© 2019 Corning Incorporated. All Rights Reserved.

CORNING
February 7th, 2019
Steve Street
Sr. EHS Coordinator
North Carolina Department of Environmental Quality
Division of Energy, Mineral, and Land Resources
Mooresville Regional Office
Attn: Mr. James Moore
610 East Center Avenue, Suite 301
Mooresville, NC 28115
Dear Moore:
Hickory Manufacturing and t 828-901-6695
Technology Center f 828-901-5665
PO Box 489 [e-mail]
Hickory, NC 28603 www.corning.com
461,14-1
FED
4 2019
la NR�
Q elrty 81-cRo
V017a; A
ice
Please find enclosed the Stormwater Discharge Monitoring Report for Corning Optical
Communications, LLC — Hickory Manufacturing and Technology Center (I-IMTC) located in
Hickory, Catawba County, North Carolina. The stormwater samples were collected on
12/20/2018 for the permitted outfalls and represent the quarterly sample as specified in the
requirements set forth by NCDEQ for HMTC.
The results reflect HMTC to be outside the benchmark value for copper and zinc at SDO #3.
Please contact me at 828-901-6695 should you have any questions.
Sincerely,
Stephen L Street
Senior Environmental, Health and Safety Coordinator
attachments
© 2019 Corning Incorporated

Stormwater Discharge Monitoring Report
for North Carolina Division of Energy, Mineral and Land Resources General Permit No. NCG030000
Date submitted 2/6/2019
CERTIFICATE OF COVERAGE NO. NCG03 0 2 4 6
FACILITY NAME Hickory Manufacturing and Technology Center
COUNTY Catawba
PERSON COLLECTING SAMPLES Steve Street
LABORATORY water Tech Labs Lab Cert. ft 50
Comments on sample collection or analysis;
Quarterly sample
Part A: Stormwater Benchmarks and Monitoring Results
SAMPLE COLLECTION YEAR 2019 - Quarter 1
SAMPLE PERIOD Jan -June Q July -Dec
C3 or Monthly' month
� �§&HARGING TO CLASS ❑ORW ❑HQW ❑Trout ❑PNA
[]zero -flow ❑Water Supply ❑SA
V co
*Other C
a PLEASE REMEMBER TO SIGN ON PAGES 2 AND/OR 3 4
V]
� Q
❑ No discharge this period?2
:, Outfall No.
Date Sample
Callectedt
(mo%dd/yr}
24 hour rainfall
amount,
Inches;'
4
Total Suspended Solids
p
"pH;
Standard units
Total Co er
pp
''
Total -Lead
Total Zinc.
Non -Polar O&G/
Total Petroleum
Hydrota'r6ons
'fatal Toici'
Organics'.
eerishmarks
w-
- '
100 mg/L or 50 mg/L'
_
6:0 —.9.D_
0:010 mg/L
-0.075 frig/L
0.126 mg/L
_
15 mgf L"
1 mg/L °-
Pdrometercode
,,
46529 - - ,
C0530
00400
01119
41051•''
01094
00552 ,` "`
-78141
SDO 3
12/20/18
1.5
32
7.1
.016
.007
1.16
<5.6
NIA
SDO 5
12/20/18
1.5
22
7.83
.007
<.005
.123
<5.6
NIA
' Monthly sampling (instead of semi-annual) must begin with the second consecutive benchmark exceedance for the same parameter at the same outfall.
2 For sampling periods with no discharge at any single outfall, you must still submit this discharge monitoring report with a checkmark here.
3 The total precipitation must be recorded using data from an on -site rain gauge. Unattended sites may be eligible for a waiver of the rain gauge requirement.
4 See General Permit, Section B, Table 1 to identify the especially sensitive receiving water classifications where the more protective benchmark applies.
'Total Toxic Organics sampling is applicable only for those facilities which perform metal finishing operations, manufacture semiconductors, manufacture
electronic crystals, or manufacture cathode ray tubes. For purposes of this permit the definition of Total Toxic Organics is that definition contained in the EPA
Effluent Guidelines for the facility subject to the requirement to sample (for metal finishing use the definition as found in 40 CFR 433.11; for semiconductor
manufacture use the definition as found in 40 CFR 469.12; for electronic crystal manufacture use the definition as found in 40 CFR 469.22; and for cathode ray
tube manufacture use the definition found in 40 CFR 469.31).
Permit Date: 11/1/2018-05/31/2021 SWU-24S, last revised 11/1/2018
Page 1 of 3

Facilities that incorporate a solvent management plan into the Stormwater Pollution Prevention Plan may so certify, and the requirement for TTO monitoring
may be waived. The solvent management plan shall include a list of the total toxic organic compounds used and the other elements listed in the General
Permit. For those facilities electing to employ the TTO monitoring waiver, the discharger shall sign the following certification statement:
"Based upon my inquiry of the person or persons directly responsible for managing compliance with the permit monitoring requirement for total toxic organics
(TTO), I certify that to the best of my knowledge and belief, no dumping of concentrated toxic organics into the Stormwater or areas which are exposed to rainfall or
stormwater runoff has occurred since filing the last discharge monitoring report. I further certify that this facility is implementing the all the provisions of the
solvent management plan included in the Stormwater Pollution Prevention Plan."
NIA
Name (Print name)
N/A
Title (Print title)
Signature
Date
Note: Results must be reported in numerical format. Do- not report Below Detection Limit, BDL, <PQL, Non -detect, ND, or other similar non -numerical
format. When results are below the applicable limits, they must be reported in the format, "<XX mg/L", where XX is the numerical value of the detection
limit, reporting limit, etc. in mg/L.
Note: if you report a sample value in excess of the benchmark, you must implement Tier 1, Tier 2, or Tier3 responses. See General Permit text.
Part B: Vehicle Maintenance Area Monitoring Results: only for facilities averaging > 55 gal of new oil per month.
❑ No discharge this period?'
Outfall No.
Date Sample Collected)
(mo%dd/yrj
24-hour rainfall amount,
Enches3: .
New Motor Oil or
Hydraulic 0'I Usage
"NairPolar 0&G/ Total
Petroleum -Hydrocarbons
Total Suspended
`` Solids
.Bend, marks
-
-
15 mg/L
100.mg/L or 50 Mee
Pardmefei Code"
46529..
NCOIL
00552 _ ;
C0530
Footnotes from Part A also apply to Part B
Note: if you report a sample value in excess of the benchmark, you must implement Tier 1, Tier 2, or Tier 3 responses. See General Permit text.
Permit Date: 11/1/2018-05/31/2021 SWU-245, last revised 11/1/2018
Page 2 of 3

FOR PART A AND PART B MONITORING RESULTS:
• A BENCHMARK EXCEEDANCE TRIGGERS TIER 1 REQUIREMENTS. SEE PERMIT PART II SECTION B.
• 2 EXCEEDANCES IN A ROW FOR THE SAME PARAMETER AT THE SAME OUTFALL TRIGGER TIER 2 REQUIREMENTS. SEE PERMIT PART 11 SECTION B.
• TIER 3: HAS YOUR FACILITY HAD 4 OR MORE BENCHMARK EXCEEDENCES FOR THE SAME PARAMETER AT ANY ONE OUTFALL? YES Q NO ❑
IF YES, HAVE YOU CONTACTED THE DEMLR REGIONAL OFFICE? YES Q NO ❑
REGIONAL OFFICE CONTACT NAME: James Moore
Mail an original copy of this DMR, including all "No Discharge" reports, within 30 days areceipt of the lab result
slor at end of monitoring period in the
case of "No Discharge" reports) to:
Division of Water Quality
Attn: DWQ Central Files
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
YOU MUST SIGN THIS CERTIFICATION FOR ANY INFORMATION REPORTED:
"I certify, under penalty of taw, that this document and all attachments were prepared under my direction or supervision in accordance with a system designed to
assure that qualified personnel properly gather and evaluate the information submitted. Based on my inquiry of the person or persons who manage the system, or
those persons directly responsible for gathering the information, the information submitted is, to the best of my knowledge and belief, true, accurate, and complete. I
am aware that there are significant penalties for submitting false information, including the possibility of fines and imprisonment for knowing violations."
Signature of Permittee
Permit Date: 11/1/2018-OS/31/2021
9-/ 6 20
Date
SWU-245, last revised 11/1/2018
Page 3 of 3

CORNING
October 81h, 2018
Steve Street
Sr. EH5 Coordinator
North Carolina Department of Environmental Quality
Division of Energy, Mineral, and I.,and Resources
Mooresville Regional Office
Attn: Mr. Jaynes Moore
610 East Center Avenue, Suite 301
Mooresville, NC 28115
Dear Moore:
Hickory Manufacturing and t 828-901-6695
Technology Center f 828-901-5665
PO Box 489 steve.street[dcoming.com
Hickory, NC 28603 www.r-orning.com
RECEIVED
OCT 2 2 2018
DENR-DEMLR
Land Quality Section
Mooresville Regional "ice
Please find enclosed the Stormwater Discharge Monitoring Report for Corning Optical
Communications, LLC — Hickory Manufacturing and Technology Center (HMTC) located in
Hickory, Catawba County, North Carolina. the stormwater samples were collected on
9/10/2018 for the permitted outfalls and represent the quarterly sample as specified in the
requirements set forth by NCDEQ for HMTC.
Hie results reflect HMTC to be outside the benchmark value for the following parameters:
• Copper — Stormwater Outfall 3 and 5
• Zinc — Stormwater Outfall 3 and 5
Please contact me at 828.901-6695 should you have any questions.
Sincerely,
Stephen L Street
Senior Environmental, I-.iealth and Safety Coordinator
attachments
® 2018 Corning Incorporated

Semi-annual Stormwater Discharge Monitoring Report
for North Carolina Division of Water Quality General Permit No. NCG030000
Date submitted: 09/10/2018
CERTIFICATE OF COVERAGE NO. NCG030000
FACILITY NAME: Hickory Manufacturing and Technology Cent
COUNTY: Catawba
00
PERSON COLLECTING SAMPLES: Steve Street o
LABORATORY., Water Tech Labs Lab Cert. #1! 50 `"
c.1
Comments on sample collection or analysis: a',
UJ CD
c
Part A: Stormwater Benchmarks and Monitoring Results
SAMPLE COLLECTION YEAR: 2018
SAMPLE PERIOD ❑ Jan -June ❑ July -Dec
U
or 0 Monthly' Quarterly — 3rd
o
DISCHARGING TO CLASS ❑ORW ❑HQW ❑Trout ❑PNA
o ❑Zero -flow ❑Water Supply [:]SA
❑Other
a -0 '> PLEASE REMEMBER TO SIGN ON PAGES 2 AND/OR 3 4
0
0
z
❑ No discharge this period?z
Date Sample
24-hour rainfall
pH,
Non -Polar O&G/Total
Toxic
Ou#fall No.
Collected'
amount,
Total Suspended Solids
Standard units
Copper
Lead
Zinc
Total Petroleum
Organics5
(mo/dd/yr)
Inches s
Hydrocarbons
Benchmarks =__>
_
-
100 mg/L or 50 mg/ L4
6.0 — 9.0
0.007 mg/L
0.03 mg/L
0.067 mg/L
15 mg/L
1 mg/L
3
09/10/18
.4"
4.3 mg/I
6.71
.010 mg/I
.008 mg/I
.266 mg/I
<5.6 mg/I
N/A
5
09/10/1$
.4"
32.0 mg/1
6.31
.008 mg/I
.002 mg/I
189 mg/I
<5.6 mg/l
N/A
1 Monthly sampling (instead of semi-annual) must begin with the second consecutive benchmark exceedance for the same parameter at the same outfall.
z For sampling periods with no discharge at any single outfall, you must still submit this discharge monitoring report with a checkmark here.
'The total precipitation must be recorded using data from an on -site rain gauge. Unattended sites may be eligible for a waiver of the rain gauge requirement.
" See General Permit, Table 3 identifying the especially sensitive receiving water classifications where the more protective benchmark applies.
s Total Toxic Organics sampling is applicable only for those facilities which perform metal finishing operations, manufacture semiconductors, manufacture
electronic crystals, or manufacture cathode ray tubes. For purposes of this permit the definition of Total Toxic Organics is that definition contained in the EPA
Effluent Guidelines for the facility subject to the requirement to sample (for metal finishing use the definition as found in 40 CFR 433.11; for semiconductor
manufacture use the definition as found in 40 CFR 469.12; for electronic crystal manufacture use the definition as found in 40 CFR 469.22; and for cathode ray
tube manufacture use the definition found in 40 CFR 469.31).
© 2018 Corning Incorporated
Permit Date: 11/1/2012-10/31/2017 SwU-245, last revised 10/25/2012
Page 1 of 3

Facilities that incorporate a solvent management plan into the Stormwater Pollution Prevention Plan may so certify, and the requirement for TTO monitoring
may be waived. The solvent management plan shall include a list of the total toxic organic compounds used and the other elements listed in the General
Permit. For those facilities electing to employ the TTO monitoring waiver, the discharger shall sign the following certification statement:
"Based upon my inquiry of the person or persons directly responsible for managing compliance with the permit monitoring requirement for total toxic organics
(TTO), I certify that to the best of my knowledge and belief, no dumping of concentrated toxic organics into the stormwater or areas which are exposed to rainfall or
Stormwater runoff has occurred since filing the last discharge monitoring report. I further certify that this facility is implementing the all the provisions of the
solvent management plan included in the Stormwater Pollution Prevention Plan."
NIA
Name (Print name)
Title (Print title)
N/A
(signature)
(Date)
Note: Results must be reported in numerical format. Do not report Below Detection Limit, BDL, <PQL, Non -detect, ND, or other similar non -numerical
format. When results are below the applicable limits, they must be reported in the format, "<XX mg/L", where XX is the numerical value of the detection
limit, reporting limit, etc. in mg/L.
Note: if you report a sample value in excess of the benchmark, you must implement Tier 1, Tier 2, or Tier 3 responses. See General Permit text.
Part B: Vehicle Maintenance Area Monitoring Results: only for facilities averaging > 55 gal of new oil per month.
❑ No discharge this period?'
Outfall No.
Date Sample
Collected'
(mo/dd/yr)
24-hour rainfall
amount,
Inches'
Non -polar O&G/TPH by
EPA 1664 (SGT-HEM)
Total Suspended Solids
pH
Benchmarks =__>
_
-
15 mg/L
100 mg/L or 50 mg/L*
6.0 — 9.0 SU
N/A
N/A
N/A
N/A
N/A
N/A
Footnotes from Part A also apply to this Part B
© 2018 Corning Incorporated

See General Permit text, Table S, identifying the especially sensitive receiving water classifications where the more protective benchmark applies.
Note: If you report a sample value in excess of the benchmark, you must implement Tier 1, Tier 2, or Tier 3 responses. See General Permit text.
FOR PART A AND PART B MONITORING RESULTS:
• A BENCHMARK EXCEEDANCE TRIGGERS TIER 1 REQUIREMENTS. SEE PERMIT PART II SECTION B.
• 2 EXCEEDANCES IN A ROW FOR THE SAME PARAMETER AT THE SAME OUTFALL TRIGGER TIER 2 REQUIREMENTS. SEE PERMIT PART II SECTION B.
TIER 3: HAS YOUR FACILITY HAD 4 OR MORE BENCHMARK EXCEEDENCES FOR THE SAME PARAMETER AT ANY ONE OUTFALL? YES XD NO[]
IF YES, HAVE YOU CONTACTED THE DWQ REGIONAL OFFICE? YES ® NO ❑
REGIONAL OFFICE CONTACT NAME: HMTC's latest site review was completed by Mr. James Moore with the Mooresville regional office on 6/2.8/17.
Mail an orginal and one copy of this DMR, including all "No Discharge" reports, within 30 daVs of receipt of the lob results (or at end of monitoring period
in the case of "No Discharge" reports) to:
Division of Water Quality
Attn: DWQ Central Files
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
YOU MUST SIGN THIS CERTIFICATION FOR ANY INFORMATION REPORTED:
"I certify, under penalty of law, that this document and all attachments were prepared under my direction or supervision in accordance with a system designed to
assure that qualified personnel properly gather and evaluate the information submitted. Based on my inquiry of the person or persons who manage the system, or
those persons directly responsible for gathering the information, the information submitted is, to the best of my knowledge and belief, true, accurate, and complete. I
am aware that there are significant penalties for submitting false information, including the possibility of fines and imprisonment for knowing violations."
(Signature of Permittee)
Permit Date: 11/l/2012-10/31/2017
(Date)
© 2018 Corning Incorporated
SWU-24S, last revised 10/2S/2012
Page 3 of 3

Semi-annual Stormwater Discharge Monitoring Report
for North Carolina Division of Water Quality General Permit No. NCG030000
Date submitted: 09/10/2018
CERTIFICATE OF COVERAGE NO. NCG03000
FACILITY NAME: Hickory Manufacturing and Technology.Center
COUNTY: Catawba
PERSON COLLECTING SAMPLES: Steve Street
LABORATORY: Water Tech Labs Lab Cert. # 50
Comments on sample collection or analysis:
Part A: Stormwater Benchmarks and Monitoring Results
SAMPLE COLLECTION YEAR: 2018
SAMPLE PERIOD ❑ Jan -June ❑ July -Dec
or L] Monthly' Quarterly — 3rd
RECEIVE[DISCHARGINGTOCLASS ❑ORW ❑HQW ❑Trout ❑PNA
❑Zero -flow ❑Water supply ❑SA
OCT 2 8 Z018 ❑Other
CENTRAL FILES PLEASE REMEMBER TO SIGN ON PAGES 2 AND/OR 3 4
DWr-Z SECTION
❑ No dischorge this period?'
Date Sample
24-hour rainfall
-
pH,
Non -Polar O&G/
Total Toxic
Outfall No.
Collected'
amount,
Total Suspended Solids
Standard units
Copper
Lead
Zinc
Total Petroleum
Organics'
(mo/dd/yr)
inches'
Hydrocarbons
Benchmarks =__>
-
-
100 mg/L or 50 mg/L°
6.0 — 9.0
0.007 mg/L
0.03 mg/L
0.067 mg/L
15 mg/L
1 mg/L
3
09/10/18
1 .4"
4.3 mg/l
6.71
.010 mg/I
.008 mg/I
.266 mg/I
<5.6 mg/I
N/A
5
09/10/18
1 .4"
32.0 mg/I
6.31
.008 mg/I
.002 mg/I
.189 mg/1
<5.6 mg/I
N/A
' Monthly sampling (instead of semi-annual) must begin with the second consecutive benchmark exceedance for the same parameter at the same outfall.
For sampling periods with no discharge at any single outfall, you must still submit this discharge monitoring report with a checkmark here.
'The total precipitation must be recorded using data from an on -site rain gauge. Unattended sites may be eligible for a waiver of the rain gauge requirement.
' See General Permit, Table 3 identifying the especially sensitive receiving water classifications where the more protective benchmark applies.
' Total Toxic Organics sampling is applicable only for those facilities which perform metal finishing operations, manufacture semiconductors, manufacture
electronic crystals, or manufacture cathode ray tubes. For purposes of this permit the definition of Total Toxic Organics is that definition contained in the EPA
Effluent Guidelines for the facility subject to the requirement to sample (for metal finishing use the definition as found in 40 CFR 433.11; for semiconductor
manufacture use the definition as found in 40 CFR 469.12; for electronic crystal manufacture use the definition as found in 40 CFR 469.22; and for cathode ray
tube manufacture use the definition found in 40 CFR 469.31).
O 2018 Corning Incorporated
Permit Date: 11/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 1 of 3

Facilities that incorporate a solvent management plan into the Stormwater Pollution Prevention Plan may so certify, and the requirement for TTO monitoring
may be waived. The solvent management plan shall include a list of the total toxic organic compounds used and the other elements listed in the General
Permit. For those facilities electing to employ the TTO monitoring waiver, the discharger shall sign the following certification statement:
"Based upon my inquiry of the person or persons directly responsible for managing compliance with the permit monitoring requirement for total toxic organics
(TTO), I certify that to the best of my knowledge and belief, no dumping of concentrated toxic organics into the Stormwater or areas which are exposed to rainfall or
Stormwater runoff has occurred since filing the last discharge monitoring report. I further certify that this facility is implementing the all the provisions of the
solvent management plan included in the Stormwater Pollution Prevention Plan."
NIA _---
Name (Print name)
N/A
Title (Print title)
(Signature)
(Date)
Note: Results must be reported in numerical format. Do not report Below Detection Limit, BDL, <PQL, Non -detect, ND, or other similar non -numerical
format. When results are below the applicable limits, they must be reported in the format, "<XX mg/L", where XX is the numerical value of the detection
limit, reporting limit, etc. in mg/L.
Note: if you report a sample value in excess of the benchmark, you must implement Tier 1, Tier 2, or Tier 3 responses. See General Permit text.
Part B: Vehicle Maintenance Area Monitoring Results: only for facilities averaging > 55 gal of new oil per month.
❑ No discharge this period?'
Outfall No.
Date Sample
Collected'
(mo/dd/yr)
24-hour rainfall
amount,
Inches'
Non -polar O&G/TPH by
EPA 1664 (SGT-HEM)
Total Suspended Solids
pH
Benchmarks =__>
_
-
15 mg/L
100 mg/L or 50 mg/L*
6.0 — 9.0 SU
N/A
N/A
N/A
N/A
N/A
N/A
Footnotes from Part A also apply to this Part B
© 2018 Corning Incorporated

See General Permit text, Table 5, identifying the especially sensitive receiving water classifications where the more protective benchmark applies.
Note: If you report a sample value in excess of the benchmark, you must implement Tier 1, Tier 2, or Tier 3 responses. See General Permit text.
FOR PART A AND PART B MONITORING RESULTS:
• A BENCHMARK EXCEEDANCE TRIGGERS TIER 1 REQUIREMENTS. SEE PERMIT PART If SECTION B.
• 2 EXCEEDANCES IN A ROW FOR THE SAME PARAMETER AT THE SAME OUTFALL TRIGGER TIER 2 REQUIREMENTS. SEE PERMIT PART it SECTION B.
• TIER 3: HAS YOUR FACILITY HAD 4 OR MORE BENCHMARK EXCEEDENCES FOR THE SAME PARAMETER AT ANY ONE OUTFALL? YES XE NO❑
IF YES, HAVE YOU CONTACTED THE DWQ REGIONAL OFFICE? YES � NO
REGIONAL OFFICE CONTACT NAME: HMTC's latest site review was completed by Mr. James Moore with the Mooresville regional office on 6/28/17.
Mail an original and one copy of this DMR, including all "No Discharge" reports, within 30 days of receipt of the lab results (or at end of monitoring period
in the case of "No Discharge" reports) to:
Division of Water Quality
Attn: DWQ Central Files
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
YOU MUST SIGN THIS CERTIFICATION FOR ANY INFORMATION REPORTED:
"I certify, under penalty of law, that this document and all attachments were prepared under my direction or supervision in accordance with a system designed to
assure that qualified personnel properly gather and evaluate the information submitted. Based on my inquiry of the person or persons who manage the system, or
those persons directly responsible for gathering the information, the information submitted is, to the best of my knowledge and belief, true, accurate, and complete. I
am aware that there are significant penalties for submitting false information, including the possibility of fines and imprisonment for knowing violations."
(Signature of Permittee)
Permit Date: 11/1/2012-10/31/2017
(Date)
OO 2018 Corn}ng Incorporated
SWU-245, last revised 10/25/2012
Page 3 of 3

NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
For -guidance on filling out thisform, please visit: 1?t:J%1ZstaLrirclens.org/webjwcl/wsjsu/nr�clessw#tab 4
Permit No.:/C/ 0/ 3/0/0/0/0/0/ or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and Technology Center -Corning Optical Communications
County: Catawba Phone No.: �28-901-6 95
Inspector: Steve Street
Date of inspection: 09/10/2018
Time of Inspection: 8:15 }gym
Total Event Precipitation (inches): 0.4"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
©Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or- "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfali. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signatKe, I certify hat this report is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
Pagel of 2
© 2018 Coming Incorporated
SWIJ-242, Lass modified 10/25/2012

1. Outfall Description:
Dutfall No. 001 Structure (pipe, ditch, etc.) Pipe
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: Reel storage, solid
waste containers designated for landfill, hazardous waste, storage and R&D building..
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Color was clear.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
�1 2 3 4 5
5. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
0 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
0 2 3 4 5
7. Is there any foam in the stormwater discharge? Yes No
S. is there an oil sheen in the stormwater discharge? Yes No
9. is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: Done
List and describe: SDa #1 is represented by 5D0 #3.
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
0 2018 Corning Incorporated

Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
Forguidance on filling out this form, please visit: htth://portal.ncdeilr.ot-g/wct)/wq lws/su/nndesswittab-4
Permit No.: N/C/ 0/ 3/0/0/0/0/0/ or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and Technology Center — Corning Optical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Steve Street
Date of Inspection: 09/10/2018
Time of Inspection: 8:10 pm
Totai Event Precipitation (inches): 0.4"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
© Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
-_.-.-......-.-..---------------..._-......_------------------- ___---
Qualitative monitoring requirements vary. Most
permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
3
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches leas occurred. A single storm event may contain up to 10 consecutive hours of no j
precipitation. j
i
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office,
By this signature, I certify that this report is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
© 2018 Corning Incorporated
Page 1 of 2
SWU-M, bast modified 10/25/2012

1. Outfall Description:
Outfall No. 002 Structure (pipe, ditch, etc.) Pipe
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: Solid waste containers
designated for landfill metal rec.ycling container, and ch mica] torn e ar a -(-Covered).
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Discharge was clear.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odors were present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
0 2 3 4 5
S. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
11J 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
0 2 3 4 5
7. Is there any foam in the stormwater discharge? Yes No
8. Is there an oil sheen in the stormwater discharge? Yes No
9. is there evidence of erosion or deposition at the outfall? Yes No
1.0. Other Obvious Indicators of Stormwater Pollution: None
List and describe: SDO #2 is represented by SDO U.
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
© 2018 Corning Incorporated

Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
For,guidance on filling out this form, please visit: litt ): /I}ortLl.uccleiir-.orglwei)/wu/wti/�riL»)dcssw#tab-4.
Permit No.: N/C/ 0/ 3/0/0/0/0/0/ or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and 'rechnology Center - Corning Optical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Steve Street
Date of Inspection: 09/10/2018
Time of Inspection: 8:12 pm
Total Event Precipitation (inches):.4"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
❑X Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature, I certify that this report is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
Page 1 of 2
© 2018 Corning Incorporated
SWIJ-242, Last modified I 0/25/2012

1. Outfall Description:
Outfall No. 003 Structure (pipe, ditch, etc.) Pipe
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: Reel storage, machine
shop, and warehouse.
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Discharge was clear.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odors were present.
4. Clarity: Choose the number- which best describes the clarity of the discharge, where ] is
clear and 5 is very cloudy:
H1 2 3 4 5
5. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where I is no solids and 5 is the surface covered with floating solids:
0 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
In 2 3 4 5
7. Is there any foam in the stormwater discharge? Yes No
8. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
© 2018 Corning Incorporated

y;st<�':
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
Forguidonce on filling out this form, please visit, lit portal.ncdcnr.org/web/wq/ws/4u/npdcsmv#tab-4
Permit No.: N/C/ Q/ 3/0/U/0/Q/D/ or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and Technology Center - Corning Optical Communications
County: Catawba Phone No.: 28 01-6695
Inspector: Steve Street
Date of Inspection: 0 1
'rime of Inspection: 7:53 pm
Total Event Precipitation (inches):.4"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
❑X Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "ineasureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has Occurred. A single storm event may contain up to 10 consecutive hours Of nO
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall, The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signa�uxe, kcertify qm_t this report is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
Pagel of 2
© 2018 Corning incorporated
SVVil-242, Last modified 10/25/2012

1. Outfall Description:
Outfall No. 005 Structure (pipe, ditch, etc.) Pipe
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: Manufacture of fiber
optic cable and warehouse.
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Color was clear.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
�1 2 3 4 5
5. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1. is no solids and 5 is the surface covered with floating solids:
W 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
] V 3 4 5
7. Is there any foam in the stormwater discharge? Yes No
8. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
© 2018 Corning Incorporated

rE ` mm & Ruh. t«.
r>::F' , 4C,. !C; 6 • ?5 P! A.7.. c
[phone]
SAMPLE_: Corning Optical (003) COLLECTION DATE: 9/10/2018
PERMIT #: COLLECTION TIME: 20:12
ADDRESS: Corning Optical RECEIVED DATE: 9/11/2018
P.O. BOX 489 RECEIVED TIME: 10:48
Hickory, NC 28603-0489
REPORTED: 9/27/2018
ANALYSIS
ANALYSIS
RESULTS
UNITS
DATE ANALYST
Lead
0.008
mg/L.
9118118
TSS
4.3
mg/L
9/12118 jrg
Copper
0.010
mg/L.
9118118
Zinc
0.266
mglL
9118/18
Oil g Grease
<5.6
mg/L
9114118 jdg
LOG ID: 1809-119 {t1=YOIZ`l'{ D BVY NC CEWFI{-{ED I,AB 11 50
"bony Gra!tyg. Lab Supervisor

TES TECH 9 ,,w
'lJ-'�%FF'C�F e'G%< -S6 c P1,"J'
:idi T w F:.4_.. i i%_' H Fui _' .!i iii 2='�;.'.G
[phone]
SAMPLE: Corning Optical (005) COLLECTION DATE: 9/10/2018
PERMIT #: COLLECTION TIME: 19:53
ADDRESS: Corning Optical RECEIVED DATE: 9/11/2018
P.O. Box 489 RECEIVED TIME: 10:48
Hickory, NC 28603-0489
REPORTED: 9/27/2018
ANALYSIS
ANALYSIS
RESULTS
UNITS
DATE ANALYST
Lead
0.002
mg/L
9/18118
TSS
32.0
mglL
9112/18 jrg
Copper
0.008
mglL
9118118
Zinc
0.189
mglL
9/18118
Oil & Gre2se
<5.6
mg1L
0/14118 jdg
LOG ID: 1809-120 Rl=-:PORT1L'D 13V: NC CERTIr11 D I-AI3 /i 50
fbi 6
-Foray Gragg, Lab Supervisor

UboRAYORO'B, kC,
For: }Maier Tech Labs, Inc.
P.O. Box 1056
Granite Falls, NC 28630
Attn: Joe Gragg
Report of Analysis
9121 /20 18
01414211111Q41
i�{`:j��,�`*••� -,N,, %' ` aye
NC:t31� SI
r NC 1137701
w
Cllent Sample ID: Corning 003 Lab Sample ID; 56077-01
Site; Water Tech Labs Collection Date: 9/10/2018 20 12
2rameter Method Result Units Rep Limit Analyst Analysis DatefTi ;,e
Co;p-per, Total EPA 200.8 0.010 mg/L 0.001 JF 9/18/2018
Lead, Total EPA 200.8 0.008 mg1L 0.001 JF 9/18/2018
Zinc, Total
EPA 200.8
0.266
mglL
0.01
JF
9/1312013
Client Sample ID:
Corning 005
Lab Sample ID:
56077-02
SitB:
+!}later Tech Labs
Collection Date:
911012018
'.9:52
=aratneter
Method
Result
Units
Rep Limit Analyst Analysis Datefiime
Copper, Total
EPA 200.8
0.008
mglL
0.001
JF
911812018
Lead, Totai
FPA 200.8
0.002
mg1L
0.001
JF
911812C18
Zi,1c, Total
EPA 200.8
0.189
mg1L
0.01
JF
911812018
NA = r;u1 cu-d
P O Brix 47.1 106 Short Street Kernersviile, North Carolina 27284 Tel: [phone] Fax: 336-g9e-0326 www,randalabs.com Paae 1

"CH LABS Inc.
AiN-TIER TE I
I
5 Pinewood Plaza Drive P.O. Box 1056
Granite Falls, NC 28630
Phone [phone] -- Fax [phone]
CLIENT: Corning Cable Systems-TC Pit
c/o Steve Street
P.O Box 489
Hickory, NC 28603-0489
PHONE NUMBER: 828-327-5000
TYPE SAMPLE: Stormwater
No. LOCATIONS: 2
SAMPLER NAME:
Sample Collection
Information
TYPE
CONTAINERS
ANALYSIS REQUIRED
Sample Location
Facility Name
DATE
TIME
TEMP. °C
Grab/
Com osite
No.
Plastid
Glass
Cischarge 003
�,�
cY� h
Grab
3
Plastic/
Glass
TSS, Oil & Gr., Lead, Copper, 71'ic
Discharge 005
Grab
3
Plastid
Glass
TSS, Oil & Gr., Lead, Copper. Zinc
I
I
i
I
i
r
r
Relinquished By:
DMte:.
Time:
Recieved By; Date: Time:
Relinqul ifeo B � " '4
l
Date:
Time.
Received By:
Date:
Tame:
FRESERVA TION.
J Cool 4°C
1 7 I ;+2SO4
i I NaOH
,f HNO3
Dechlornating Agent
(; Other
SAMPLE TEMP. @ LAB (-C)_
-Monne Residual mgll
NC CERTIFIED LAB # 50

T`
°(-�IOPrNINNG
October 8"', 2018
Steve Street Hickory Manufacturing and
Sr. EHS Coordmator Technology Center
PO Box 489
Hickory. NC 28803
North Carolina Department of Environmental Quality
Division of Energy, Mineral, and Land Resources
Attn: DWQ Central Files
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
Dear Sir/Madam:
t 828-901-6695
f 828-901-5665
[e-mail]
www,corning.com
EC t__.IV
OCT 232018
CENTRAL FILES
DVVR SECTION
Please find enclosed an original and one (1) copy of the Stormwater Discharge Monitoring
Report for Corning Optical Communications, LLC — Hickory Manufacturing and Technology
Center (HMTC) located in Hickory, Catawba County, North Carolina. The Stormwater
samples were collected on 09/10/2018 for the permitted outfalls and represent the quarterly
sample as specified in the requirements set forth by NCDEQ for HMTC.
The results are mixed and reflect HMTC to be outside the benchmark value for the following
parameters:
• Copper — Stormwater Outtall 3 and 5
• Zinc — Stormwater Outfall 3 and 5
Additional attachments include the Laboratory Analytical Report, Chain -of -Custody, and
Qualitative Monitoring Report. Please contact me if you have any questions at 828-901-6695.
Sincerely,
Stephen L Street
Senior Environmental, Health and Safety Coordinator
attachments
© 2018 Corning Incorporated

CORNING
April 91h, 2018
Steve Street Hickory Manufacturing and t 828-901-6695
Sr. EHS Coordinator Technology Center f 828-901-5665
PO Box 489 [e-mail]
Hickory, NC 28603 www.corning.com
36 a5�
North Carolina Department of Environmental Quality
Division of Energy, Mineral, and Land Resources
Attn: DWQ Central Files _
1617 Mail Service Center RiaCF-1r L�
Raleigh, North Carolina 27699-1617
FILES
Dear Sir/Madam: uWR SE-rTJON
Please find enclosed an original and one (1) copy of the Stormwater Discharge Monitoring
Report for Corning Optical Communications, LLC — Hickory Manufacturing and Technology
Center (HMTC) located in Hickory, Catawba County, North Carolina. The stormwater
samples were collected on 03/06/2018 for the permitted outfalls and represent the quarterly
sample as specified in the requirements set forth by NCDEQ for HMTC.
The results are mixed and reflect HMTC to be outside the benchmark value for the following
parameters:
Copper — Stormwater Outfal1 3 and 5
Zinc — Stormwater Outfall 3 and 5
Additional attachments include the Laboratory Analytical Report, Chain -of -Custody, and
Qualitative Monitoring Report. Please contact me if you have any questions at 828-901-6695.
Sincerely,
Stephen - L Street
Senior Environmental, Health and Safety Coordinator
attachments
0 2018 Corning Incorporated.

Semi-annual Stormwater Discharge Monitoring Report
for North Carolina Division of Water Quality General Permit No. NCG030000
Date submitted: 04/09/2018
CERTIFICATE OF COVERAGE NO. NCG030000
FACILITY NAME: Hickory Manufacturing and Technology Center
COUNTY: Catawba
PERSON COLLECTING SAMPLES: Steve Street
LABORATORY: Water Tech Labs Lab Cert. # 50
Comments on sample collection or analysis:
Part A: Stormwater Benchmarks and Monitoring Results
SAMPLE COLLECTION YEAR: 2018
SAMPLE PERIOD ❑ Jan -June ❑ July -Dec
or [] Monthly' Quarterly — 1st
DISCHARGING TO CLASS ❑ORW ❑HQW []Trout ❑PNA
❑Zero -flow ❑Water Supply ❑SA
❑Other
PLEASE REMEMBER TO SIGN ON PAGES 2 AND/OR 3 -->
❑ No discharge this period?'
Date Sample
24-hour rainfall
pH,
Non -Polar O&G/
Tota! Toxic
Outfall No.
1
Collected
amount,
Total Suspended Solids
Standard units
Copper
Lead
Zinc
Total Petroleum
Organics5
(mo/dd/yr)
Inches3
Hydrocarbons
Benchmarks =__>
_
-
100 mg/L or 50 mg/L
6.0 — 9.0
0.007 mg/L
0.03 mg/L
0.067 mg/L
15 mg/L
1 mg/L
3
03/06/18
.51,
39.0 mg/I
7.03
.014 mg/I
.005 mg/I
.803 mg/I
<5.6 mg/I
N/A
5
03/06/18
.5"
38.0 mg/I
6.69
.012 mg/I
<.005 mg/I
.177 mg/I
<5.6 mg/I
N/A
1 Monthly sampling (instead of semi-annual) must begin with the second consecutive benchmark exceedance for the same parameter at the same outfall.
z For sampling periods with no discharge at any single outfall, you must still submit this discharge monitoring report with a checkmark here.
3The total precipitation must be recorded using data from an on -site rain gauge. Unattended sites may be eligible for a waiver of the rain gauge requirement.
' See General Permit, Table 3 identifying the especially sensitive receiving water classifications where the more protective benchmark applies.
s Total Toxic Organics sampling is applicable only for those facilities which perform metal finishing operations, manufacture semiconductors, manufacture
electronic crystals, or manufacture cathode ray tunes. For purposes of this permit the definition of Total Toxic Organics is that definition contained in the EPA
Effluent Guidelines for the facility subjectto the requirement to sample (for metal finishing use the definition as found in 40 CFR 433.11; for semiconductor
manufacture use the definition as found in 40 CFR 469.12; for electronic crystal manufacture use the definition as found in 40 CFR 469.22; and for cathode ray
tube manufacture use the definition found in 40 CFR 469.31).
© 2018 Corning Incorporated.
Permit Date: 11/l/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 1 of 3

Facilities that incorporate a solvent management plan into the Stormwater Pollution Prevention Plan may so certify, and the requirement for TTO monitoring
may be waived. The solvent management plan shall include a list of the total toxic organic compounds used and the other elements listed in the General
Permit. For those facilities electing to employ the TTO monitoring waiver, the discharger shall sign the following certification statement:
"Based upon my inquiry of the person or persons directly responsible for managing compliance with the permit monitoring requirement for total toxic organics
(TTO), I certify that to the best of my knowledge and belief, no dumping of concentrated toxic organics into the stormwater or areas which are exposed to rainfall or
stormwater runoff has occurred since filing the last discharge monitoring report. I further certify that this facility is implementing the all the provisions of the
solvent management plan included in the Stormwater Pollution Prevention Plan."
N/A
Name (Print name)
N/A
Title (Print title)
(Signature)
(Date)
Note: Results must be reported in numerical format. Do not report Below Detection Limit, BDL, <PQL, Non -detect, ND, or other similar non -numerical
format. When results are below the applicable limits, they must be reported in the format, "<XX mg/L", where XX is the numerical value of the detection
limit, reporting limit, etc. in mg/L.
!Vote: If you report a sample value in excess of the benchmark, you must implement Tier 1, Tier 2, or Tier 3 responses. See General Permit tent.
Part B: Vehicle Maintenance Area Monitoring Results: only for facilities averaging > 55 gal of new oil per month.
❑ No discharge this period?z
Outfall No.
Date Sample
Collected'
(mo/dd/yr)
24-hour rainfall
amount,
Inches3
Non -polar O&G/TPH by
EPA 1664 (SGT-HEM)
Total Suspended Solids
pH
Benchmarks =__>
_
-
15 mg/L
100 mg/L or 50 mg/L*
6.0 — 9.0 SU
N/A
N/A
N/A
N/A
N/A
N/A
Footnotes from Part A also apply to this Part B
© 2018 Corning Incorporated.

* See General Permit text, Table 5, identifying the especially sensitive receiving water classifications where the more protective benchmark applies.
Note: If you report a sample value in excess of the benchmark, you must implement Tier 1, Tier 2, or Tier 3 responses. See General Permit text.
FOR PART A AND PART B MONITORING RESULTS:
• A BENCHMARK EXCEEDANCE TRIGGERS TIER 1 REQUIREMENTS. SEE PERMIT PART II SECTION B.
• 2 EXCEEDANCES IN A ROW FOR THE SAME PARAMETER AT THE SAME OUTFALL TRIGGER TIER 2 REQUIREMENTS. SEE PERMIT PART 11 SECTION B.
• TIER 3: HAS YOUR FACILITY HAD 4 OR MORE BENCHMARK EXCEEDENCES FOR THE SAME PARAMETER AT ANY ONE OUTFALL? YES © NO❑
IF YES, HAVE YOU CONTACTED THE DWQ REGIONAL OFFICE? YES ® NO ❑
REGIONAL OFFICE CONTACT NAME: HMTC's latest site review was completed by Mr. James Moore with the Mooresville regional office on 6/28/17,
Mail an original and one copy of this DMR including all "No Discharge' reports, within 30 days of receipt of the lab results for at end of monitoring period
in the case of "No Discharge" reports) to:
Division of Water Quality
Attn: DWQ Central Files
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
YOU MUST SIGN THIS CERTIFICATION FOR ANY INFORMATION REPORTED:
"I certify, under penalty of law, that this document and all attachments were prepared under my direction or supervision in accordance with a system designed to
assure that qualified personnel properly gather and evaluate the information submitted. Based on my inquiry of the person or persons who manage the system, or
those persons directly responsible for gathering the information, the information submitted is, to the best of my knowledge and belief, true, accurate, and complete. I
am aware that there are significant penalties for submitting false information, including the possibility of fines and imprisonment for knowing violations."
(Signature of Permittee)
Perrnit Date: 11/1/2012-10/31/2017
'iIIIlot
8
(Date)
C 2018 Corning Incorporated.
SWU-245, last revised 10/25/2012
Page 3 of 3

ZA:=lYwy.-A.
WDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
For guidance on filling out this form, please visit: http_//portal.ncdenr.org/weblwq/ws/su/npdessw#tab-4
Permit No.: N/C/ D/ 3/0/0/0/Q/0/ or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and Technology Center - Corning Optical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Steve Street
Date of Inspection: 03/06/2018
Time of Inspection: 7:42 am
Total Event Precipitation (inches):�5"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
® Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature, I certify that this report is accurate and complete to the best of my knowledge:
(Signature of �ermiffe—e or Designee)
© 2018 Corning incorporated.
Pagel of 2
5WU-242, Last modified 10/25/2012

1. Outfall Description:
Outfall No. 001 Structure (pipe, ditch, etc.) Pipe
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: Reel storage, solid
waste containers designated for landfill, hazardous waste storage, and R&D building
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Color was slight gray from gravel dust.
3. Odor; Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
1 0 3 4 5
S. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
Q1 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
1 Q2 3 4 5
7. Is there any foam in the stormwater discharge? Yes No
8. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe: SDO #1 is represented by SDO U.
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
0 2018 Corning Incorporated.

Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
For guidance on filling out this farm, please visit: http:.//pprtal.ncdQnr.oralweb/wQ/ws/sulnl2dessw#tab:4
Permit No.: N/C/ 0/ 3/0/0/0/0/0/ or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and Technology Center — Corning Optical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Steve Street
Date of Inspection: 03/06/2018
Time of Inspection: 7.34 am
Total Event Precipitation (inches): 0.5"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
© Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event' is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature, I certify that this report is accurate and complete to the best of my knowledge:
(Signature of Perrrirttee or Designee)
O 2018 Corning Incorporated.
Page 1 of 2
SWU-242, Last modified 10/25/2012

1. Outfall Description:
Outfall No. 002 Structure (pipe, ditch, etc.) Pine
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: Solid waste containers
designated for landfill, metal recycling container, and chemical storage area
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Discharge was clear.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odors were present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
0 2 3 4 5
5. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
0 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
1 P 3 4 5
7. Is there any foam in the stormwater discharge? Yes No
8. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe: SDO #2 is represented by, 5D0, U.
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
© 2018 Corning Incorporated.

s�
NCDNR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
For guidance on filling out this farm, please visit: http://portal.ncdenr.org/web/wq/ws/su/nndessw#tab-4
Permit No.: N/C/ 0/ 3/0/0/0/0/Q/ or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing_ and Technology Center - Corning Optical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Steve Street
Date of Inspection: 03/06/2018
Time of Inspection: 7:37 am
Total Event Precipitation (inches):.S"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
© Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement, Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature, I certify that this report is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
O 2018 Corning Incorporated.
Pagel of 2
SWU-242, bast modified 10/25/2012

1. Outfall Description:
Outfall No. 003 Structure (pipe, ditch, etc.) Pipe
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: Reel storage, machine
shop, and warehouse.
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Discharge was clear,
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odors were present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
T 2 3 4 5
S. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
0 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
1 3 4 5
7. Is there any foam in the stormwater discharge? Yes No
8. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10, Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
© 2018 Corning Incorporated.

; �
`4
A
NCDENR
Stormwater Discharge 4utfall (SDO)
Qualitative Monitoring Report
Forguidance on filling out this form, please visit; http_f /aortal.ncdenr.org/web/wqf ws/su/nodessw#tab-4
Permit No.: N/C/ 0/ 3/0/0/0/0/0/ or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and Technology Center — Corning Optical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Steve Street
Date of Inspection: 03106118
Time of Inspection: 7:22 am
Total Event Precipitation (inches):.5"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
® Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event"or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
......._ ................. ............
By this signature, I certify that this report is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
© 2018 Corning Incorporated.
Page 1 of 2
SWU-242, last modified 10/25/2012

I. Outfall Description:
Outfall No. 005 Structure (pipe, ditch, etc.) Pipe
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: Manufacture of fiber
optic cable and warehouse.
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Color was clear.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
N1 2 3 4 5
5. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
N 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
1 O2 3 4 5
7. is there any foam in the stormwater discharge? Yes No
8. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution. None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
© 2018 Corning Incorporated.

t djviER4rKCH LITESInc.
POST OFFICE 80; 1056 • #5 PINEWOOD PLAZA DR.
GRANITE FALLS, NORTH CAROLINA 28630
[phone]
SAMPLE: Corning Optical (003) COLLECTION DATE: 3/6/2018
PERMIT #- COLLECTION TIME: 07:37
ADDRESS: Corning Optical RECEIVED DATE: 3/6/2018
P.O. Box 489 RECEIVED TIME: 11:45
Hickory, NC 28603-0489
REPORTED. 3/22/2018
ANALYSIS
RESULTS
ANALYSIS
UNITS
�t
DATE ANALYST
Lead
0.005
mg/L
3/14/18
TSS
39.0
mg/L
317118 jrg
Copper
0.014
mg/L
3/14/18
Zinc
0.803
mg/L
3/14/18
Oil & Grease
<5.6
mg/L
319/18 jdg
L
LOG 1D: 1803-044 REPORTED BY: NC CERTIFIED LAB # 50
fll�
Tony Gragg, Lab Supervisor

IdRrmiTECH LRDS.I.C.
POST OFFICE 60; 1056 • #5 PINEWOOD PLAZA OR.
GRANITE FALLS, NORTH CAROLINA 28630
[phone]
SAMPLE: Corning Optical (005) COLLECTION DATE: 3/6/2018
PERMIT #: COLLECTION TIME: 07:22
ADDRESS: Corning Optical RECEIVED DATE: 3/612018
P.O. Box 489 RECEIVED TIME: 11:45
Hickory, NC 28603-0489
REPORTED: 3/22/2018
ANALYSIS
ANALYSIS
RESULTS
UNITS
DATE ANALYST I
Lead
<0.005
mg/L
3/14/18
TSS
38.0
mg/L
317118 jrg
Copper
0.012
mg/L
3I14118
Zinc
0.177
mg/L
3/14118
Oil & Grease
<5.6
mg/L
319118 jdg
LOG 1D: 1803-045 REPORTED BY: NCCERTIFIEDLAB # 50
fv� �
Tony Gragg, Lab Supervisor

RESEARCH & ANA1yTiCA1
roR*101 LAbORATORiES, INC.
For: Water Tech Labs, Inc.
P.O. Box 1056
Granite Falls, NC 28630
Attn: .Joe Gragg
Report of Analysis
3/ 16/2018
to NC ##34 Z. • w
ti NC #37701 ?
41811111171
Client Sample ID: Corning 003 Lab Sample ID: 47642-01
Site: Water Tech Labs Collection Date: 3/6/2018 7:37
Parameter Method Result UnUs Rep Limit Analyst Analysis Datt/Time
Copper, Total EPA 200.8 0.014 mg/L 0.001 KL 3/14/2018
Lead, Total EPA 200.8 0.005 mg/L 0.005 KL 3/14/2018
Zinc, Total EPA 200.7 0.803 mg/L 0.01 KL 3/14/2018
NA = not Cnalyzed
P.O. Box 473 106 Short Street Kernersville, North Carolina 27284 Tel: [phone] Fax: [phone] www.randatabs.com Page 1
rai Coa basic v I d

RESEARCh & ANALYT[CAI
10 LA ORATORIES, INC.
For: Water Tech Labs, Inc.
P.O. Box 1056
Granite Falls, NC 28630
Attn: Joe Gragg
Report of Analysis
3/16/2018
1111111f111®1
a �a7cA
NC U34 :
NC #37701
9. ......... y5
Client Sample ID: Corning 005 Lab Sample ID: 47642-02
Site: Water Tech Labs Collection Date: 3/6/2018 7:22
Parame#er Method Result Units Rep Limit Analyst Analysis Datem e
Copper, Total EPA 200.8 0.012 mglL 0.001 KL 3114/2018
Lead, Total EPA 200.8 <0.005 mg/t_ 0.005 KL 3/14/2018
Zinc, Total EPA 200.7 0.177 mglL 0.01 KL 3/14/2018
NA = not analyzed
P.O. Box 473 106 Short Street Kernersville, North Carolina 27284 Tel: [phone] Fax: [phone] www.randalabs.com Page 1
rat Coo basic, v 1 d

W x 11R 1 'LABS, inc.
T'E---,CH-
5 Pinewood Plaza Drive P. O. Box 1056
Granite Falls, NC 28630
Phone [phone] - Fax [phone]
CLIENT: Corning Cable Systems-TC Pit PHONE NUMBER: 828-327-5000
c/o Steve Street TYPE SAMPLE: Stormwater
P.0 Box 489 No. LOCATIONS: 2
Hickory, NC 28603-0489 SAMPLER NAME:
Sample Collection
Information
TYPE
CONTAINERS
ANALYSIS REQUIRED
Sample Location
FacilityName
DATE
TIME
TEMP. °C
Grab/
Composite
No
Plastic/
Glass
Discharge 003
/15 f j
!
�,3�
Grab
3
PlastiGlass'
TSS, Oil & Gr., Lead, Copper, Zinc
Discharge 005
} II
31�11�
7.�3
Grab
3
Plastic/
Glass
TSS, Oil & Gr., Lead, Copper, Zinc
Relinquished By:
Date:
Time:
Reciev y;
Date:
Time:
Relin ulished By:
Date:
Time:
Rece d By:
Date:
Time:
PRE R VA Tl ON:
fl-Cool 4°C
�SO4
[] NaOH
[�' NO3
[] Dechlornating Agent
j] Other
SAMPLE TEMP. @ LAB (°C)
Chlorine Residual mgll
NC CERTIFIED LAB # 50

CORNING
August 7th, 2018
Steve Street Hickory Manufacturing and t 828-901-6695
Sr. EHS Coordinator Technology Center f 828-901-5665
PO Box 489 [e-mail]
Hickory, NC 28603 www.coming.com
North Carolina Department of Environmental Quality
Division of Energy, Mineral, and Land Resources
Attn: DWQ Central Files
1617 Mail Service Center RE AM 1 V ED
Raleigh, North Carolina 27699-1617
AUG 14 2018
Dear Sir/Madam:
CEINTRAt— sFUES
CVVIR '=wCTiO^t
Please find enclosed an original and one (1) copy of the Stormwater Discharge Monitoring
Report for Corning Optical Communications, LLC — Hickory Manufacturing and Technology
Center (HMTC) located in Hickory, Catawba County, North Carolina. The stormwater
samples were collected on 06/22/2018 for the permitted outfalls and represent the quarterly
sample as specified in the requirements set forth by NCDEQ for HMTC.
The results are mixed and reflect HMTC to be outside the benchmark value for the following
parameters:
Copper — Stormwater Outfall 3 and 5
Zinc — Stormwater Outfall 3 and 5
Additional attachments include the Laboratory Analytical Report, Chain -of -Custody, and
Qualitative Monitoring Report. Please contact me if you have any questions at 828-901-6695.
Sincerely,
Stephen L Street
Senior Environmental, Health and Safety Coordinator
attachments
0 2018 Corning Incorporated

Semi-annual Stormwater Discharge Monitoring Report
for North Carolina Division of Water Quality General Permit No. NCG030000
Date submitted: 08/07/2038
CERTIFICATE OF COVERAGE NO. NCG030000 Pc & 03 0 � 7
FACILITY NAME: Hickory Manufacturing and Technology Center
COUNTY: Catawba
PERSON COLLECTING SAMPLES: Steve Street
LABORATORY: Water Tech Labs Lab Cert. # 50
Comments on sample collection or analysis:
Part A: Stormwater Benchmarks and Monitoring Results
SAMPLE COLLECTION YEAR: 2018
SAMPLE PERIOD ❑ Jan -June ❑ July -Dec
or [I Monthly' QuarterlV — 2nd
DISCHARGING TO CLASS ❑ORW ❑HQW ❑Trout ❑PNA
❑Zero -flow ❑Water Supply ❑SA
_n ❑Other
�I�G 14 2018
PLEASE REMEMBER TO SIGN ON PAGES 2 AND/OR 3 4
❑ No discharge this period?'
Date Sample
24-hour rainfall
pH,
Non -Polar O&G/Total
Toxic
Outfall No.
Collected'
amount,
Total Suspended Solids
Standard units
Copper
Lead
Zinc
Total Petroleum
Organics'
(mo/dd/yr)
Inches3
Hydrocarbons
Benchmarks =__>
-
-
100 mg/L or 50 mg/0
6.0 — 9.0
0.007 mg/L
0.03 mg/L
0.067 mg/L
15 mg/L
1 mg/L
3
06/22/18
1 .2"
1 10.3 mg/I
6,99
.017 mg/I
.002 mg/I
AOS mg/I
<5.6 mg/I
N/A
5
06/22/18
1 .2"
1 34.0 mg/I
6.85
.018 mg/I
.002 mg/l
.113 mg/I
<S.6 mg/I
N/A
' Monthly sampling (instead of semi-annual) must begin with the second consecutive benchmark exceedance for the same parameter at the same outfall.
z For sampling periods with no discharge at any single outfall, you must still submit this discharge monitoring report with a checkmark here.
'The total precipitation must be recorded using data from an on -site rain gauge. Unattended sites may be eligible for a waiver of the rain gauge requirement.
a See General Permit, Table 3 identifying the especially sensitive receiving water classifications where the more protective benchmark applies.
5 Total Toxic Organics sampling is applicable only for those facilities which perform metal finishing operations, manufacture semiconductors, manufacture
electronic crystals, or manufacture cathode ray tubes. For purposes of this permit the definition of Total Toxic Organics is that definition contained in the EPA
Effluent Guidelines for the facility subject to the requirement to sample (for metal finishing use the definition as found in 40 CFR 433.11; for semiconductor
manufacture use the definition as found in 40 CFR 469.12; for electronic crystal manufacture use the definition as found in 40 CFR 469.22; and for cathode ray
tube manufacture use the definition found in 40 CFR 469.31).
© 2018 Corning Incorporated
Permit Date: 11/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 1 of 3

Facilities that incorporate a solvent management plan into the Stormwater Pollution Prevention Plan may so certify, and the requirement for TTO monitoring
may be waived. The solvent management plan shall include a list of the total toxic organic compounds used and the other elements listed in the General
Permit. For those facilities electing to employ the TTO monitoring waiver, the discharger shall sign the following certification statement:
"Based upon my inquiry of the person or persons directly responsible for managing compliance with the permit monitoring requirement for total toxic organics
(TTO), I certify that to the best of my knowledge and belief, no dumping of concentrated toxic organics into the stormwater or areas which are exposed to rainfall or
stormwater runoff has occurred since filing the last discharge monitoring report. I further certify that this facility is implementing the all the provisions of the
solvent management plan included in the Stormwater Pollution Prevention Plan."
N/A
Name (Print name)
Title (Print title)
N/A
(Signature)
(Date)
Note: Results must be reported in numerical format. Do not report Below Detection Limit, BDL, <PQL, Non -detect, ND, or other similar non -numerical
format. When results are below the applicable limits, they must be reported in the format "<XX mg/L", where XX is the numerical value of the detection
limit, reporting limit, etc. in mg/L.
Note: If you report a sample value in excess of the benchmark, you must implement Tier 1, Tier 2, or Tier 3 responses. See General Permit text.
Part B: Vehicle Maintenance Area Monitoring Results: only for facilities averaging > 55 gal of new oil per month.
❑ No discharge this period?z
Outfall No.
Hate Sample
Collected'
(mo/dd/yr)
24-hour rainfall
amount,
Inches3
Non -polar O&G/TPH by
EPA 1664 (SGT-HEM)
Total Suspended Solids
pH
Benchmarks =__>
-
-
15 mg/L
100 mg/L or 50 mg/L*
6.0 — 9.0 SU
N/A
N/A
N/A
N/A
N/A
N/A
Footnotes from Part A also apply to this Part B
© 2018 Corning Incorporated

* See General Permit text, Table 5, identifying the especially sensitive receiving water classifications where the more protective benchmark applies.
Note: If you report a sample value in excess of the benchmark, you must implement Tier 1, Tier 2, or Tier 3 responses. See General Permit text.
FOR PART A AND PART B MONITORING RESULTS:
• A BENCHMARK EXCEEDANCE TRIGGERS TIER 1 REQUIREMENTS. SEE PERMIT PART II SECTION B.
• 2 EXCEEDANCES IN A ROW FOR THE SAME PARAMETER AT THE SAME OUTFALL TRIGGER TIER 2 REQUIREMENTS. SEE PERMIT PART II SECTION B.
+ TIER 3: HAS YOUR FACILITY HAD 4 OR MORE BENCHMARK EXCEEDENCES FOR THE SAME PARAMETER AT ANYONE OUTFALL? YES ®NO❑
IF YES, HAVE YOU CONTACTED THE DWQ REGIONAL OFFICE? YES® NO ❑
REGIONAL OFFICE CONTACT NAME: HMTC's latest site review was completed by Mr. James Moore with the Mooresville regional office on 6/28/17.
Mail an original and one copy of this DMR including all "No Discharge" reports, within 30 days of receipt of the lab results for at end of monitoring period
in the case o "No Discharge" reports) to:
Division of Water Quality
Attn: DWQ Central Files
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
YOU MUST SIGN THIS CERTIFICATION FOR ANY INFORMATION REPORTED:
"I certify, under penalty of law, that this document and all attachments were prepared under my direction or supervision in accordance with a system designed to
assure that qualified personnel properly gather and evaluate the information submitted. Based on my inquiry of the person or persons who manage the system, or
those persons directly responsible for gathering the information, the information submitted is, to the best of my knowledge and belief, true, accurate, and complete
am aware that there are significant penalties for submitting false information, including the possibility of fines and imprisonment for knowing violations."
(Signature of Permittee)
z0 1
(Date)
© 2018 Corning Incorporated
Permit Date: 11/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 3 of 3

IFIA
A_`r®
NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
Forguidance on filling out this form, please visit: http//poi-ta1.ncdenr.0rg/web/wqf ws/su/ni2dessw#tab-4
Permit No.: or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and Technology Center - Corning Optical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Steve Street
Date of Inspection: 06/22/2018
Time of Inspection: 9:330 pm
Total Event Precipitation (inches): 02"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
® Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature, I certify that this report is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
© 2018 Corning Incorporated
Pagel of 2
SWU-242, Last modified 10/25/2012

1. Outfall Description:
Outfall No. 001 Structure (pipe, ditch, etc.) Pipe
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: Reel storage, solid
waste containers designated for landfill, hazardous waste storage. and R&D building
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Color was clear.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
2 3 4 5
5. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
P 2 3 4 5
b. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
1 �2 3 4 5
7. Is there any foam in the stormwater discharge? Yes No
8. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe: SDO #1 is represented by SDO #3.
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
© 2018 Corning Incorporated

Affil
NCDE R
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
For guidance on filling out this form, please visit: http://portaLncdenr.org/web/wq/wg/suInpdessw#tab-4
Permit No.: N/C/ 0/ 3/0/0/0/0/0/ or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and Technology Center - Corning Optical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Steve Street
Date of Inspection: 06122/2018
Time of Inspection: 9:27 pm
Total Event Precipitation (inches): 0L
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature, I certify that this report is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
© 2018 Corning Incorporated
Page 1 of 2
5WU-242, Last modified 10/25/2012

1. Outfall Description:
Outfall No. 002 Structure (pipe, ditch, etc.) Pipe
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: Solid waste containers
designated for landfill, metal recycling container, and chemical storage area covered .
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Discharge was clear.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odors were present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and S is very cloudy:
10 2 3 4 5
S. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
1 20 3 4 5
7. Is there any foam in the stormwater discharge? Yes No
8. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10, Other Obvious Indicators of Stormwater Pollution: None
List and describe: SDO #2 is re resented by SDO #3.
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
© 2018 Corning Incorporated

e�`...wwisra
NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
Forguidance on filling out this form, please visit: http:/Jportal.ncdenr.oi-g/wel /wq/wsZsuJnpdessw#tab-4
Permit No.: N/C/ 0/ 3/0/0/0/0/0/ or Certificate of Coverage No..
Facility Name: Hickory Manufacturing and Technology Center - Corning Optical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Steve Street
Date of Inspection: 06/22/2018
Time of Inspection: 9:25 pm
Total Event Precipitation (inches):.2"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
® Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature, I certify that this report is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
© 2018 Corning Incorporated
Pagel of 2
SWU-242, Last modified 10/25/2012

1. Outfall Description:
Outfall No. 003 Structure (pipe, ditch, etc.) Pine
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: Reel storage, machine
shop, and warehouse.
2, Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Discharge was clear.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odors were present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
P1 2 3 4 5
5. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
�1 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
1 3 4 5
7. Is there any foam in the stormwater discharge? Yes No
B. Is there an oil sheen in the stormwater discharge? Yes No
9. is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
O 2018 Corning Incorporated

A`i!1;9,
NC®EN
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
Forguidance on filling out this form, please visit: http://portal.iicdenr.org/weblwQ/ws/su/npdessw#tab-4
Permit No.: N/C/ 0/ 3/Q/0/a/0/0/ or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and Technology Center - Corning Optical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Steve Street
Date of Inspection: 06 22 18
Time of Inspection: 9:11 pm
Total Event Precipitation (inches):.2"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
®Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature, 1 certify that this report is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
© 2018 Corning Incorporated
Pagel of 2
SWU•242, Last modified 10/25/2012

1. Outfall Description:
Outfall No. 005 Structure (pipe, ditch, etc.) Pipe
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: Manufacture of fiber
optic cable and warehouse.
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Color was clear.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and S is very cloudy:
�1 2 3 4 5
S. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
0 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
1 0 3 4 5
7. Is there any foam in the stormwater discharge? Yes No
8. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
O 2018 Corning Incorporated

murRim0f LRAISInc.
POST OFFICE BOX 1056 • #5 PINEWOOD PLAZA DR.
GRANITE FALLS, NORTH CAROLINA 28630
[phone]
SAMPLE: Corning Optical (003) COLLECTION DATE.• 6/22/2018
PERMITA' COLLECTION TIME: 21:25
ADDRESS: Corning Optical RECEIVED DATE: 6/22/2018
P.O. Box 489 RECEIVED TIME, 09:01
Hickory, NC 28603-0489
REPORTED: 7/26/2018
ANALYSIS .
I
ANALYSIS
RESULTS
UNITS ,
DATE ANALYST _ }
Lead
0.002
mglL
7/23/18
TSS
10.3
mgA-
6/25118 jrg
Copper
0.017
mg/L
7/23118
Zinc
0.405
mg[L
7123118
Oil & Grease
<5.6
mg/L
6129118 jdg
LOG ID: 1806-360 REYORiFED BY: NC CERTIFIED LAB #I 50
fo� *
Tony Gragg, Lab Supervisor

IdOrKROKCH LR m..
POST OFFICE BOX 1056 • 45 PINEWOOD PLAZA DR.
GRANITE FALLS, NORTH CAROLINA 28830
[phone]
SAMPLE: Corning Optical (005) COLLECTION DATE: 6/21/2018
PERMIT A* COLLECTION TIME: 21:11
ADDRESS: Corning Optical RECEIVED DATE: 6/22/2018
P.Q. Box 489 RECEIVED TIME: 09:01
Hickory, NC 28603-0489
REPORTED: 7/26/2018
ANALYSIS
ANALYSIS.
RESULTS
UNITS
DATE "ANALYST` 3
Lead
0.002
mg1L
7123118
TSS
34.0
mg1L
6I25118 jrg
Capper
0.018
mg1L
7/23118
Zinc
0.113
mg/L
7I23118
Oil & Grease
<5.6
mglL
6I29118 jdg
LOG 1D: 1806-361 REPORTED BY: NS
CCERTIFIED LAB A 50
Tony Gragg, Lab Supervisor

�x u
For: Water Tech Labs, Inc.
P.O. Box 1056
Granite Falls, NC 28630
Attn: Joe Gragg
Client Sample 10:
Corning 003
Site:
Walcr'rodi Lcibs
Parameter
Mothod
Copper, 'rolal
EPA 200.8
Lead, Total
CPA 200.8
Zinc, Total
EPA 200.8
Report of Analysis
7/24/201 B
1`ttlitl�rf'' ►
a t� nC431i Z
NC 113-1701
ti
f�'�f��i1�DrAh�P�t 4 raw
Lab Sample ID:
52419.03
Collection Efate:
WV2018
21,25
-...... .........
Result
_w.__..._.......
Units-
Lim] t—Ana[ st Analysis patelTimeY
0.017
mglL
—Rep
0.001
KL
7123/201 a 1
0,002
mg1L
0.001
KL
7123/2018
0.405
mglt
0.01
KL
7123/2018
NA = not onalwed
P.O. Sex 473 100 Short Slreol Kernem lla, North Caroima 27284 Tel: [phone] Paz: 336-996-0326 W wv randnlabs.com P006 1

RESEARC.h & N>{ iy� CAS.
LAORAI
r i
ES NJ c
For: Water Tech Labs, Inc.
P.0, Box 1056
Granite Falls, NO 28630
Attn. Joe Gragg
Client Sample ID:
Corning 005
Site;
Water Tech Labs
Parameter•
metho
Copper, Total
EPA 200,3
Lead, Total
EPA 200.8
Zinc; Total
EPA 200.8
Report of An-alysis
7/2q/2018
��rtirrrriy�j
u 'vi NC I134 (n H
NC 1107701
Lab Sample ID:
62419-04
Collection Date:
6/21/2018
21:11
Result
Llnlis
Ro p Llrnit Anal L st Anal lysIs sis QatelTisne
0.018
mn1L
0,001
KL
7123/2018
0.002
mg/L
0,001
KL
7/2312018
0.113
rng/L
0.01
KI_
7/23t2018
NA = not ancaiyaeed
P.O. 8qx 473 106 Short, Slreal Kprrters0lQ, North Carolina 27284 TeL [phone] Fax; 33G-J3G-0323 wWw.rarndalabs:com
I �

W ER T E
! T H LAB
1- nck
-- S9t
5 Pinewood Plaza Drive - P.O. Box 1056
Granite Falls, NC 28630
Phone [phone] - Fax [phone]
CLIENT: Corning Cable Systems-TC Pit PHONE NUMBER: 828-327-5000
c/o Steve Street
P.O Box 489
Hickory, NC 28603-0489
TYPE SAMPLE: Stormwater
No. LOCATIONS: 2
SAMPLER NAME: 6'_54V ye
Sample Collection
Information
TYPE
CONTAINERS
ANALYSIS REQUIRED
Sample Location
Facili Name
DATE
TIME
TEMP, oC
Grab/
Composite
No
Plastic/
Glass
Discharge 003
9��f
j
��
Grab
3
Plastic/
Glass
TSS, Oil & Gr., Lead, Copper, Zinc
pp
Discharge 005
I
Grab
3
Glass/
TSS, Oil & Gr., Lead, Copper, Zinc
Relinquished By:
Date:
Time:
7,0
R ved B
Date:
Time:
Relfnquished By:
Date:
Time:
elved
Date:
Time:
PRESERVATION:
L}- o
504
[]NaOH
(] HNO3
[] Dechlornating Agent
[] Other
SAMPLE TEMP. @ LAB (°C) ->f e
Chlorine Residual mg/l
NC CERTIFIED LAB # 50

Steve Hickory
reet
CORNING Sr. EHStCoordinator Technology Cent rring and f 828-901-5665
PO Box 489 [e-mail]
Hickory, NC 28603 www.corning,com
January 161h, 2018
North Carolina Department of Environmental Quality
Division of Energy, Mineral, and Land Resources
Mooresville Regional Office
Attn: Mr. James Moore
610 East Center Avenue, Suite 301
Mooresville, NC 28115
Dear Moore:
Please find enclosed the Stormwater Discharge Monitoring Report for Corning Optical
Communications, LLC — Hickory Manufacturing and "fechnology Center {HM'FC} located in
Hickory, Catawba County, North Carolina, The Stormwater samples were collected on
12/05/2017 for the permitted outfalls and represent the quarterly sample as specified in the
requirements set forth by NCDEQ for HMTC.
The results reflect HMTC to be outside the benchmark value for the following parameters:
Copper — Stormwater Outfal1 3 and 5
Zinc — Stormwater Outfall 3 and 5
Please contact me at 828-901-6695 should you have any questions.
Sincerely,
Stephen L Street
Senior Environmental, Health and Safety Coordinator
attachments
@ 2018 Corning Incorporated. All Rights Reserved.

Semi-annual Stormwater Discharge Monitoring Report
for North Carolina Division of Water Quality General Permit No. NCG030000
Date submitted: 01/16/2018
CERTIFICATE OF COVERAGE NO. N00030000
FACILITY NAME: Hickory Manufacturing and Technology Centu
COUNTY: Catawba
PERSON COLLECTING SAMPLES: Steve Street
LABORATORY: Water Tech Labs Lab Cert. # 50 W
Comments on sample collection or analysis: V
W
at
Part A: Stormwater Benchmarks and Monitoring Results
W SAMPLE COLLECTION YEAR: 2017
c SAMPLE PERIOD ❑ Jan -June ❑ July -Dec
t x r or 0 Monthly' Quarterly - 4th
ca
DISCHARGING TO CLASS ❑ORW ❑HQW ❑Trout ❑PNA
. x []zero -flow ❑Water Supply ESA
Q as ❑Other
a c
LU
PLEASE REMEMBER TO SIGN ON PAGES 2 AND/OR 3 -�
0
❑ No drschorge this period:2
Date Sample
24rainfall
pH,
Non-Polar O&G/hour
Total Toxic
Outfall No.
Collected'
amount,
Total Suspended Solids
Standard units
Copper
Lead
Zinc
Total Petroleum
Organics5
(mo/dd/yr)
Inches3
Hydrocarbons
Benchmarks =__>
-
-
100 mg/L or 50 mg/L4
6.0 - 9.0
0.007 mg/L
0.03 mg/L
0.067 mg/L
15 mg/L
1 mg/L
3
12/05/17
.4"
41.0 mg/I
6.28
.028 mg/I
.006 mg/I
1.25 mg/I
<5.6 mg/I
N/A
5
12/05/17
.4"
76.0 mg/I
6.50
.012 mg/I
.003 mg/I
.159 mg/I
<5.6 mg/1
N/A
' Monthly sampling (instead of semi-annual) must begin with the second consecutive benchmark exceedance for the same parameter at the same outfall.
Z For sampling periods with no discharge at any single outfall, you must still submit this discharge monitoring report with a checkmark here.
3The total precipitation must be recorded using data from an on -site rain gauge. unattended sites may be eligible for a waiver of the rain gauge requirement.
4 See General Permit, Table 3 identifying the especially sensitive receiving water classifications where the more protective benchmark applies.
5 Total Toxic Organics sampling is applicable only for those facilities which perform metal finishing operations, manufacture semiconductors, manufacture
electronic crystals, or manufacture cathode ray tubes. For purposes of this permit the definition of Total Toxic Organics is that definition contained in the EPA
Effluent Guidelines for the facility subject to the requirement to sample (for metal finishing use the definition as found in 40 CFR 433.11; for semiconductor
manufacture use the definition as found in 40 CFR 469.12; for electronic crystal manufacture use the definition as found in 40 CFR 469.22; and for cathode ray
tube manufacture use the definition found in 40 CFR 469.31).
© 2018 Corning Incorporated. All Rights Reserved.
Permit Date: 11/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 1 of 3

Facilities that incorporate a solvent management plan into the Stormwater Pollution Prevention Plan may so certify, and the requirement for TTO monitoring
may be waived. The solvent management plan shall include a list of the total toxic organic compounds used and the other elements listed in the General
Permit. For those facilities electing to employ the TTO monitoring waiver, the discharger shall sign the following certification statement:
"Based upon my inquiry of the person or persons directly responsible for managing compliance with the permit monitoring requirement for total toxic organics
(T-TO), I certify that to the best of my knowledge and belief, no dumping of concentrated toxic organics into the stormwater or areas which are exposed to rainfall or
stormwater runoff has occurred since filing the last discharge monitoring report. I further certify that this facility is implementing the all the provisions of the
solvent management plan included in the Stormwater Pollution Prevention Plan."
Name (Print name)
N/A
Title (Print title)
N/A
(Signature) (Date)
Note: Results must be reported in numerical format. Do not report Below Detection Limit, BDL, <PQL, Non -detect, ND, or other similar non -numerical
format. When results are below the applicable limits, they must be reported in the format, "<XX mg/L", where XX is the numerical value of the detection
limit, reporting limit, etc. in mg/L.
Note: If you report a sample value in excess of the benchmark, you must implement Tier 1, Tier 2, or Tier 3 responses. See General Permit text.
Part B: Vehicle Maintenance Area Monitoring Results: only for facilities averaging > 55 gal of new oil per month.
❑ No discharge this period?z
Outfall No.
Date Sample
Collected'
(mo/dd/yr)
24-hour rainfall
amount,
Inches
Non -polar O&G/TPH by
EPA 1664 (SGT-HEM)
Total Suspended Solids
pH
Benchmarks =_->
_
-
15 mg/L
100 mg/L or 50 mg/L*
6.0 — 9.0 SU
N/A
N/A
N/A
N/A
N/A
N/A
Q 2018 Corning Incorporated. All Rights Reserved.
Permit Date: 11/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 2 of 3

Footnotes from Part A also apply to this part B
See General Permit text, Table 5, identifying the especially sensitive receiving water classifications where the more protective benchmark applies.
Note: If you report a sample value in excess of the benchmark, you must implement Tier 1, Tier 2, or Tier 3 responses. See General Permit text.
FOR PART A AND PART 8 MONITORING RESULTS:
A BENCHMARK EXCEEDANCE TRIGGERS TIER 1 REQUIREMENTS, SEE PERMIT PART It SECTION B.
• 2 EXCEEDANCES IN A ROW FOR THE SAME PARAMETER AT THE SAME OUTFALL TRIGGER TIER 2 REQUIREMENTS. SEE PERMIT PART II SECTION B.
TIER 3: HAS YOUR FACILITY HAD 4 OR MORE BENCHMARK EXCEEDENCES FOR THE SAME PARAMETER AT ANY ONE OUTFALL? YES NO XX ❑
IF YES, HAVE YOU CONTACTED THE DWQ REGIONAL OFFICE? YES R NO ❑
REGIONAL OFFICE CONTACT NAME: HMTC's latest site review was completed by Mr. lames Moore with the Mooresville regional office on 6/28/17.
Mail an original and one copy of this DMR, including all "No Discharge" reports, within 30 days of receipt of the lab results for at end of monitoring period
in the case of "No Discharge" reports) to: F
Division of Water Quality
Attn. DWQ Central Files
1617 mail Service Center
Raleigh, North Carolina 27699-1617
YOU MUST SIGN THIS CERTIFICATION FOR ANY INFORMATION REPORTED:
"l certify, under penalty of law, that this document and all attachments were prepared under my direction or supervision in accordance with a system designed to
assure that qualified personnel properly gather and evaluate the information submitted. Based on my inquiry of the person or persons who manage the system, or
those persons directly responsible for gathering the information, the information submitted is, to the best of my knowledge and belief, true, accurate, and complete
am aware that there are significant penalties for submitting false information, including the possibility of fines and imprisonment for knowing violations."
(Signature of Perm
(Date)
© 2018 Corning incorporated. All Rights Reserved.
Permit Date: 11/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 3 of 3

Semi-annual Stormwater Discharge Monitoring Report VC 6-
for North Carolina Division of Water Quality General Permit No. NCG030000
Date submitted: 01/16/2018
CERTIFICATE OF COVERAGE NO. NCG030000
FACILITY NAME: Hickory Manufacturing and Technology Center
COUNTY: Catawba _ w
PERSON COLLECTING SAMPLES: Steve Street
LABORATORY: Water Tech Labs Lab Cert. # 50
Comments on sample collection or analysis:
Part A: Stormwater Benchmarks and Monitoring Results
RECEIVE
JAN 01 ma
CENTRAL FILE$
SAMPLE COLLECTION YEAR: 2017
SAMPLE PERIOD ❑ Jan -June ❑ July -Dec
or ❑ Monthly" Quarterly — 4th
DISCHARGING TO CLASS ❑ORW ❑HQW ❑Trout
❑Zero -flow ❑Water supply
❑Other
❑PNA
[]SA
PLEASE REMEMBER TO SIGN ON PAGES 2 AND/OR 3 4
❑ No discharge this period?z
Date Sample
24-hour rainfall
PH,
Non -Polar O&G/
Total Toxic
Outfall No.
Collected
amount,
Total Suspended Solids
Standard units
Copper
Lead
Zinc
Total Petroleum
s
Organics
(mo/dd/yr)
Inches"
Hydrocarbons
Benchmarks =__>
-
-
100 mg/L or 50 mg/L4
6.0 — 9.0
0.007 mg/L
0.03 mg/L
0.067 mg/L
15 mg/L
1 mg/L
3
12/05/17
.4"
41.0 mg/I
6.28
.028 mg/I
.006 mg/I
1.25 mg/I
<5.6 mg/1
N/A
5
12/05/17
.4"
76.0 mg/I
6.50
.012 mg/I
.003 mg/I
.159 mg/I
<5.6 mg/I
N/A
1 Monthly sampling (instead of semi-annual) must begin with the second consecutive benchmark exceedance for the same parameter at the same outfall.
z For sampling periods with no discharge at any single outfall, you must still submit this discharge monitoring report with a checkmark here.
3The total precipitation must be recorded using data from an on -site rain gauge. Unattended sites may be eligible for a waiver of the rain gauge requirement.
See General Permit, Table 3 identifying the especially sensitive receiving water classifications where the more protective benchmark applies.
5 Total Toxic Organics sampling is applicable only for those facilities which perform metal finishing operations, manufacture semiconductors, manufacture
electronic crystals, or manufacture cathode ray tubes. For purposes of this permit the definition of Total Toxic Organics is that definition contained in the EPA
Effluent Guidelines for the facility subject to the requirement to sample (for metal finishing use the definition as found in 40 CFR 433.11; for semiconductor
manufacture use the definition as found in 40 CFR 469.12; for electronic crystal manufacture use the definition as found in 40 CFR 469.22; and for cathode ray
tube manufacture use the definition found in 40 CFR 469.31)_
© 2018 Corning Incorporated. All Rights Reserved.
Permit Date: 11/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 1 of 3

Facilities that incorporate a solvent management plan into the Stormwater Pollution Prevention Plan may so certify, and the requirement for TTO monitoring
may be waived. The solvent management plan shall include a list of the total toxic organic compounds used and the other elements listed in the General
Permit. For those facilities electing to employ the TTO monitoring waiver, the discharger shall sign the following certification statement:
"Based upon my inquiry of the person or persons directly responsible for managing compliance with the permit monitoring requirement for total toxic organics
(TTO), I certify that to the best of my knowledge and belief, no dumping of concentrated toxic organics into the stormwater or areas which are exposed to rainfall or
stormwater runoff has occurred since filing the last discharge monitoring report. I further certify that this facility is implementing the all the provisions of the
solvent management plan included in the Stormwater Pollution Prevention Plan."
N/A
Name (Print name)
Title (Print title)
(Signature)
(Date)
Note: Results must be reported in numerical format. Do not report Below Detection Limit, BDL, <PQL, Non -detect, ND, or other similar non -numerical
format. When results are below the applicable limits, they must be reported in the format, "<XX mg/L", where XX is the numerical value of the detection
limit, reporting limit, etc. in mg/L.
Note: If you report a sample value in excess of the benchmark, you must implement Tier 1, Tier 2, or Tier 3 responses. See General Permit text.
Part B: Vehicle Maintenance Area Monitoring Results: only for facilities averaging > 55 gal of new oil per month.
❑ No discharge this period?Z
Outfall No.
Date Sample
Collected'
(mo/dd/yr)
24-hour rainfall
amount,
Inches3
Non -polar O&G/TPH by
EPA 1664 (SGT-HEM)
Total Suspended Solids
pH
Benchmarks ===>
_
-
15 mg/L
100 mg/L or 50 mg/L*
6.0 — 9.0 SU
N/A
N/A
N/A
N/A
N/A
N/A
O 2018 Corning Incorporated. All Rights Reserved.
Permit Date: 11/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 2 of 3

Footnotes from Part A also apply to this Part B
* See General Permit text, Table 5, identifying the especially sensitive receiving water classifications where the more protective benchmark applies.
Note: If you report a sample value in excess of the benchmark, you must implement Tier 1, Tier Z or Tier 3 responses. See General Permit text.
FOR PART AND PART B MONITORING RESULTS:
• A BENCHMARK EXCEEDANCE TRIGGERS TIER 1 REQUIREMENTS. SEE PERMIT PART II SECTION B.
• 2 EXCEEDANCES IN A ROW FOR THE SAME PARAMETER AT THE SAME OUTFALL TRIGGER TIER 2 REQUIREMENTS. SEE PERMIT PART II SECTION B.
• TIER 3: HAS YOUR FACILITY HAD 4 OR MORE BENCHMARK EXCEEDENCES FOR THE SAME PARAMETER AT ANYONE OUTFALL? YES ©NO❑
IF YES, HAVE YOU CONTACTED THE DWQ REGIONAL OFFICE? YES® NO ❑
REGIONAL OFFICE CONTACT NAME: HMTC's latest site review was completed by Mr. James Moore with the Mooresville regional office on 6/28/17.
Mail an original and one copy of this DMR, including all "No Discharge" reports, within 30 days of receipt of the lab results (or at end of monitoring period
in the case of "No Discharge" reports) to:
Division of Water Quality
Attn: DWQ Central Files
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
YOU MUST SIGN THIS CERTIFICATION FOR ANY INFORMATION REPORTED:
"I certify, under penalty of law, that this document and all attachments were prepared under my direction or supervision in accordance with a system designed to
assure that qualified personnel properly gather and evaluate the information submitted. Based on my inquiry of the person or persons who manage the system, or
those persons directly responsible for gathering the information, the information submitted is, to the best of my knowledge and belief, true, accurate, and complete.
am aware that there are significant penalties for submitting false information, including the possibility of fines and imprisonment for knowing violations."
(Signature of
(Date)
© 2018 Corning Incorporated. All Rights Reserved.
Permit Date: 11/1/2012-10/31/2017 SWU-24S, last revised 10/2S/2012
Page 3 of 3

ILP
`4 '
NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
Forguidance on filling out thisform, please visit: http://Vortal.ncdenr.oi-glweb/wQ/ws/su/npdessw#tab-4
Permit No.: N/C/ 0/ 3/0/0/0/0/0/ or Certificate of Coverage No..
FacilityName: Hickory Manufacturing and Technology Center - Corning Optical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Steve Street
Date of inspection: 12/05/2017
Time of Inspection: 6:15 pm
Total Event Precipitation (inches): 0.4"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
© Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable,
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature, I certify that this report is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
© 2018 Corning Incorporated. All Rights Reserved.
Pagel of 2
SWU-242, Last modified 10/25/2012

1. Outfall Description:
Outfali No. 001 Structure (pipe, ditch, etc.) Pipe
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: Reel storage, solid
waste containers designated for landfill, hazardous waste storage. and R&D building
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Color was clear.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
0 2 3 4 5
5. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
Q1 2 3 4 5
b. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
2 3 4 5
7. Is there any foam in the stormwater discharge? Yes No
8. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe: SDO #1 is represented by SDO #3.
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
© 2018 Corning Incorporated, All Rights Reserved,
Page 2 of 2
SWU-242, Last rnediried 10/25/2012

Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
Forguidance on filling out this form, please visit: http://t)ortal.ncdenr.org/web/wq/ws/suZnpdessw#tab-4
Permit No.: N/C/ 0/ 3/0/0/0/0/0/ or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and Techn to Center - Corning Optical Communications
County: Catawba Phone No.: 828-961-6695
Inspector: Steve Street
Date of Inspection: 12/05/2017
Time of Inspection: 6:13 pm
Total Event Precipitation (inches): 04"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
© Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
... ..... _ ... ... ...... ......---.. ......... ........... ...... ..... ........ ...... ....
.........
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature, I certify that this report is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
© 2018 Corning Incorporated. All Rights Reserved.
Pagel of 2
5WU-242, Last modified 10/25/2012

1. Outfall Description:
Outfall No. 002 Structure (pipe, ditch, etc.) Pipe
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: Solid waste containers
designated for landfill metal recycling container, and chemical storage area (covered!
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Discharge was clear.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odors were present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
0 2 3 4 5
S. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
T 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
1 0 3 4 5
7. Is there any foam in the stormwater discharge? Yes No
8. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe: SDO #2 is represented by SDO U.
!Vote: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may he indicative of pollutant exposure. These conditions warrant further investigation.
© 2018 Corning Incorporated. All Rights Reserved.
Page 2 of 2
SWU-212, Last modified 10/25/2012

Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
Forguidance on filling out this form, please visit: httR//Vot-tal.ncdeni-.org/web/wq/ws/su/npdessw#tab-4
Permit No.: or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and Technology Center — Corning Optical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Steve Street
Date of Inspection: 12105/2017
Time of Inspection: 6:13 pm
Total Event Precipitation (inches): A'
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
® Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most pert -nits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
.........__... -- --- ......_. _.__ __. _...... .
By this signature, I certify that this report is accurate and complete to the best of my knowledge:
11 �
(Signature of Permittee or Designee)
© 2018 Corning Incorporated. All Rights Reserved,
Pagel of 2
SWU-242, last modified 10/25/2012

1. Outfall Description:
Clutfall No. 003 Structure (pipe, ditch, etc.) Pine
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: Reel storage, machine
shop.and warehouse.
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Discharge was slight dingy brown.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odors were present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
1 n 3 4 5
5. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
2 3 4 5
6. Suspended Solids: Choose the number which best describes the arnount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
1 0 3 4 5
7. Is there any foam in the stormwater discharge? Yes No
8. is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
O 2018 Corning Incorporated. All Rights Reserved.
Page 2 of 2
SWU-242, Last modified 10/25/2012

4i- f A
NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
Forguidance on filling out this form, please visit. htt.//Aortal.ncdenr.org/webZwq/ws/su/npdessw#tab-4
Permit No.: N/C/ 0/ 3/Q/0/0/0/0/ or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and Technology Center - Corning 0 ticai Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Steve Street
Date of Inspection: 12 05 17
Time of Inspection: 6:25 pm
Total Event Precipitation (inches):.4"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
© Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to docurnent that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature, I certify that this report is accurate and complete to the best of my knowledge:
C\--�,*1'1---
(Signature of Permittee or Designee)
© 2018 Corning Incorporated. All Rights Reserved,
Pagel of 2
5WU-242, Last modified 10/25/2012

1. Outfall Description:
Outfall No. 005 Structure (pipe, ditch, etc.) Pipe
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the Outfall drainage area: Manufacture of fiber
optic cable and warehouse.
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Color was clear.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
E1 2 3 4 5
S. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and S is the surface covered with floating solids:
P 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
1 2 0 4 5
7. Is there any foam in the stormwater discharge? Yes No
B. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
© 2018 Corning Incorporated, All Rights Reserved.
Page 2 of 2
SWU-242, Lasc rnodified 10/2S/2012

RESEARCW & ANAlyTiCA[
QQ LAbORATORIES� INC.
oo
For: Water Tech Labs, Inc.
P.O. Box 1056
Granite Falls, NC 28630
Attn: Joe Gragg
Report of Analysis
1/8/2018
ca NC#34 O�N
y NC P37701
~ter �'�,Oj���Q:; •\� `.`.
Client Sample ID: Lab Sample ID: 43859-01
Site: Water Tech Labs Collection Date: 12/1/2017 9:00
Parameter Method Result Units Rep Limit Analyst Analysis Date/Time
EPA 1010 jow °F DW 12/13/2017
Client Sample ID: Lab Sample ID: 43859-02
Site: Water Tech Labs Collection Date: 12/1/2017 9:15
Parameter Method Result Units Rep Limit Analyst Analysis Dateaime
oigmmmmma EPA 1010 SIM °F DW 1211312017
Client Sample lD: Lab Sample ID: 43859-03
Site: Water Tech Labs Collection Date: 12/1/2017 9:25
Parameter Method Result Units Rep Limit Analyst Analysis Date/Time
EPA 1010 4M °F DW 12/13/2017
Client Sample ID: Corning 003 Lab Sample ID: 43859-04
Site: Water Tech Labs Collection Date: 12/5/2017 18:13
Parameter Method Result Units Rep Limit Analyst Analysis DatelTime
Copper, Total EPA 200.8 0,028 mg1L 0.001 KL 1/5/2018
Lead, Total EPA 200.8 0.006 mg/L 0.001 KL 1/5/2018
Zinc, Total EPA 200.8 1.25 mg/L 0.001 KL 1/5/2018
Client Sample ID: Corning 005 Lab Sample 10: 43859-05
Site: Water Tech Labs Collection Date: 12/5/2017 18:25
Parameter Method Result Units Rep Limit Analyst A�si_s.Date/Time
Copper, Total EPA 200.8 0,012 mg/L 0.001 KL 1/5/2018
P.O. Sox 473 106 Short Street Kernersville, North Carolina 27284 Tel: [phone] Fax: [phone] www.randalabs.com Page 1
ral coa basic lid

CaQ
000
RESEARCh & ANA1YTiCA�
LA ORAT®R9ES� INC.
Report
o Analysis
1/8/2018
Client Sample
ID:
Lab Sample ID:
Site:
Collection Date:
18:25
Parameter
Method
Result Units Rep Limit Analyst Analysis DatelTime
Lead, Total
EPA 200.8
0.003 mg1L 0.001 KL
1/5/2018
Zinc, Total
EPA200.8
0.159 mg1L 0.001 KL
1/5/2018
NA = not onofyzed
P.O. Box 473 106 Short Street Kernersville, North Carolina 27284 Tel: [phone] Fax: [phone] www.fandalabs.com Page 2
rat coa basic v1d

WRrEROECH LAMISInc.
POST OFFICE BOX 1056 • #5 PINEWOOD PLAZA DR.
GRANITE FALLS, NORTH CAROLINA 28630
[phone]
SAMPLE: Corning Optical (003) COLLECTION DATE: 1215I2017
PERMIT #: COLLECTION TIME: 18:13
ADDRESS: Corning Optical RECEIVED DATE: 12/6/2017
P.O. Box 489 RECEIVED TIME. 08:37
Hickory, NC 28603-0489
REPORTED: 1/9/2018
ANALYSIS
ANALYSIS
RESULTS
UNITS
DATE ANALYST
Lead
0.006
mg/L
115I18
TSS
41.0
mg/L
12/7117 jrg
Copper
0.028
mg/L
115118
Zinc
1.25
mg/L
1/5118
Oil & Grease
<5.6
mg/L
1218/17 jdg
LOG ID: 1712-D55 REPORTED BY: IBC CERTIFIED LAB # 50
ff�
Tony Gragg, Lab Supervisor

ww rmirECH ■ RAW In c.
POST OFFICE BOX 1056 • #5 PINEWOOD PLAZA DR.
GRANITE FALLS, NORTH CAROLINA 28630
[phone]
SAMPLE: Corning Optical (005) COLLECTION DATE.- 12I512017
PERMIT #: COLLECTION TIME: 18:25
ADDRESS: Corning Optical RECEIVED DATE: 12/6/2017
P.O. Box 489 RECEIVED TIME: 08:37
Hickory, NC 28603-0489
REPORTED: 1/9/2018
ANALYSIS
ANALYSIS
RESULTS
UNITS
DATE ANALYST
Lead
0.003
mg/L
115l18
TSS
76.0
mg/L
12I7117 jrg
Copper
U12
mg/L
115118
Zinc
0.159
mg1L
115118
Oil & Grease
<5.6
mg/L
12I8117 jdg
I
LOG ID: 1712-056 REPORTED BY: NC CERTIFIED LAB # 50
fk�
"Pony Gragg, Lab Supervisor

WNW
F' ER,-?.T%E--1.'CH--
LAMSlac.,
5 Pinewood Plaza Drive - P.O. Box 1056
Granite Falls, NC 28630
Phooe [phone] - Fax [phone]
CLIENT: Corning Cable Systems-TC Pit PHONE NUMBER: 828-327.5000
wo Steve Street
P.0 Box 489
Hickory, NC 28603-0489
TYPE SAMPLE: Stormwater
No. LOCATIONS: 2
SAMPLER NAME:
Sam le Collection
Information
TYPE
CONTAINERS
ANALYSIS REQUIRED
Sample Location
Facility Name
DATE
T1NIlr
TEMP. a C
Grab/
Composite
NO'
Plastic/
Glass
Discharge 003
1s�17
"7
I 1
1
Grab
3
Glass/
TSS, Oil & Gr., Lead, Copper, Zinc
Discharge 005
'�,a
1��
Grab
3
Plmitflastic/
TSS, Oil & Gr., Lead, Copper, Zinc
Relinquished By:
Date,
Time:
Rocieved By; /
Date:
Time:
Relln ulshed By:
Date:
Time:
Rece d By:
Date:
Time:
PRESERVATION:
mar 4°C
ft} 2SO4
jI NaOH
[�-MN03
(] Dechfornaling Agent
[J Other
SAMPLE TEMP. @ LAB (°C)
Chlorine Residual mglE
NC CERTIFIED LAB # 50

r
CORNING
September 22nd, 2017
Steve Street Hickory Manufacturing and t 828-901-6695
Sr. EHS Coordinator Technology Center f 828-901-5665
PO Box 489 [e-mail]
Hickory, NC 28603 www.corning.com
North Carolina Department of Environmental Quality
Division of Energy, Mineral, and Land Resources
Mooresville Regional Office
Attn: Mr. James Moore
610 East Center Avenue, Suite 301
Mooresville, NC 28115
Dear Moore:
Please find enclosed the Stormwater Discharge Monitoring Report for Corning Optical
Communications, LLC — Hickory Manufacturing and Technology Center (HMTC) located in
Hickory, Catawba County, North Carolina. The stormwater samples were collected on
8/30/2017 for all permitted outfalls and represent the quarterly sample as specified in the
recent requirements set forth by NCDEQ for HMTC.
The results reflect HMTC to be outside the benchmark value for the following parameters:
Copper — Stormwater Outfall 3 and 5
Zinc — Stormwater Outfall 3 and 5
Please contact me at 828-901-6695 should you have any questions.
Sincerely,
Stephen L Street
Senior Environmental, Health and Safety Coordinator
attachments
0 2017 Corning Incorporated. All Rights Reserved.

Semi-annual Stormwater Discharge Monitoring Report
for North Carolina Division of Water Quality General Permit No. NCG030000
Date submitted: 09122/2017
CERTIFICATE OF COVERAGE NO. NCG030000
FACILITY NAME: Hickory Manufacturing and Technology
Center
COUNTY: Catawba
" CL v
PERSON COLLECTING SAMPLES: Steve Street
C 2
LABORATORY: Water Tech Labs Lab Cert. # 50
Comments on sample collection or analysis:
cp ;
fa
c>'
Part A: Stormwater Benchmarks and Monitoring
Results
SAMPLE COLLECTION YEAR: 2017
SAMPLE PERIOD ❑ Jan -June ❑ July -Dec
or [I Monthly' Quarterly -- August
a F DISCHARGING TO CLASS ❑ORW ❑HQW [:]Trout❑PNA
-- ❑Zero -flow ❑Water Supply ❑SA
g i ❑Other
ry
v PLEASE REMEMBER TO SIGN ON PAGES 2 AND/OR 3
❑ No discharge this period?z
Date Sample
24-hour rainfall
pH,
Non -Polar O&G/Total
Toxic
Outfall No.
Collected'
amount,
Total Suspended Solids
Standard units
topper
Lead
Zinc
Total Petroleum
Organics
(mo/dd/yr)
Inche53
Hydrocarbons
Benchmarks ===>
-
-
100 mg/L or 50 mg/L
6.0 — 9.0
0.007 mg/L
0.03 mg/L
0.067 mg/L
15 mg/L
1 mg/L
3
8/30/17
.03"
7.4 mg/1
7.31
.011 mg/I
.002 mg/I
.526 mg/1
<5.6 mg/I
N/A
5
8/30/17
.03"
4.5 mg/I
7.01
.099 mg/I
.003 mg/I
.193 mg/I
<5.6 mg/I
N/A
' Monthly sampling (instead of semi-annual) must begin with the second consecutive benchmark exceedance for the same parameter at the same outfall.
z For sampling periods with no discharge at any single outfall, you must still submit this discharge monitoring report with a checkmark here.
3The total precipitation must be recorded using data from an on -site rain gauge. Unattended sites may be eligible for a waiver of the rain gauge requirement.
4 See General Permit, Table 3 identifying the especially sensitive receiving water classifications where the more protective benchmark applies.
5 Total Toxic Organics sampling is applicable only for those facilities which perform metal finishing operations, manufacture semiconductors, manufacture
electronic crystals, or manufacture cathode ray tubes. For purposes of this permit the definition of Total Toxic Organics is that definition contained in the EPA
Effluent Guidelines for the facility subject to the requirement to sample (for metal finishing use the definition as found in 40 CFR 433.11; for semiconductor
manufacture use the definition as found in 40 CFR 469.12; for electronic crystal manufacture use the definition as found in 40 CFR 469.22; and for cathode ray
tube manufacture use the definition found in 40 CFR 469.31).
© 2017 Corning Incorporated. All Rights Reserved.
Permit Date: 11/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 1 of 3

Facilities that incorporate a solvent management plan into the Stormwater Pollution Prevention Plan may so certify, and the requirement for Tf0 monitoring AF
may be waived. The solvent management plan shall include a list of the total toxic organic compounds used and the other elements listed in the General
Permit. For those facilities electing to employ the Tf0 monitoring waiver, the discharger shall sign the following certification statement:
"Based upon my inquiry of the person or persons directly responsible for managing compliance with the permit monitoring requirement for total toxic organics
(TTO), I certify that to the best of my knowledge and belief, no dumping of concentrated toxic organics into the stormwater or areas which are exposed to rainfall or
stormwater runoff has occurred since filing the last discharge monitoring report. I further certify that this facility is implementing the all the provisions of the
solvent management plan included in the Stormwater Pollution Prevention Plan."
N/A
Name (Print name)
N/A
Title (Print title)
N/A
(Signature)
(Date)
Note: Results must be reported in numerical format. Do not report Below Detection Limit, BDI_, <PQL, Non -detect, ND, or other similar non -numerical
format. When results are below the applicable limits, they must be reported in the format, "<XX mg/L", where XX is the numerical value of the detection
limit, reporting limit, etc. in mg/L.
Note: if you report a sample value in excess of the benchmark, you must implement Tier 1, Tier Z or Tier 3 responses. See General Permit text.
Part B: Vehicle Maintenance Area Monitoring Results: only for facilities averaging > 55 gal of new oil per month.
❑ No discharge this period?z
Outfall Na.
Date Sample
Collected'
(mo/dd/yr)
24-hour rainfall
amount,
Inches3
Non -polar O&G/TPH by
EPA 1664 (SGT-HEM)
Total Suspended Solids
pH
Benchmarks =__>
_
-
15 mg/L
100 mg/L or 50 mg/L*
6.0 — 9.0 5U
N/A
N/A
N/A
N/A
N/A
N/A
O 2017 Corning Incorporated. All Rights Reserved,
Permit Date: 11/1/2012-10/31/2017 SWU7245, last revised 10/25/2012
Page 2of3

Footnotes from Part A also apply to this Part B
* See General Permit text, Table 5, identifying the especially sensitive receiving water classifications where the more protective benchmark applies.
Note: If you report a sample value in excess of the benchmark, you must implement Tier 1, Ter 2, or Tier 3 responses. See General Permit text.
FOR PART A AND PART B MONITORING RESULTS:
• A BENCHMARK EXCEEDANCE TRIGGERS TIER 1 REQUIREMENTS, SEE PERMIT PART II SECTION B.
• 2 EXCEEDANCES IN A ROW FOR THE SAME PARAMETER AT THE SAME OUTFALL TRIGGER TIER 2 REQUIREMENTS. SEE PERMIT PART II SECTION B.
• TIER 3: HAS YOUR FACILITY HAD 4 OR MORE BENCHMARK EXCEEDENCES FOR THE SAME PARAMETER AT ANY ONE OUTFALL? YES ® NO❑
IF YES, HAVE YOU CONTACTED THE DWQ REGIONAL OFFICE? YES ® NO ❑
REGIONAL OFFICE CONTACT NAME: HMTC's latest site review was completed by Mr. James Moore with the Mooresville regional office on 6/28/17.
Mail an original and one copy of this DMR, including afl "No Discharge" reports, within 30 days of receipt o the lab results (or at end of monitoring period
in the case of "No_ Discharge" reports) to:
Division of Water Quality
Attn: DWQ Central Files
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
YOU MUST SIGN THIS CERTIFICATION FOR ANY INFORMATION REPORTED:
"I certify, under penalty of law, that this document and all attachments were prepared under my direction or supervision in accordance with a system designed to
assure that qualified personnel properly gather and evaluate the information submitted. Based on my inquiry of the person or persons who manage the system, or
those persons directly responsible for gathering the information, the information submitted is, to the best of my knowledge and belief, true, accurate, and complete. I
am aware that there are significant penalties for submitting false information, including the possibility of fines and imprisonment for knowing violations."
(Signature of Permittee)
Q-;'a a0n
(Date)
© 2017 Corning Incorporated. All Rights Reserved.
Permit Date: 11/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 3 of 3

IdRrEROTECH LROSM..
POST OFFICE BOX 1056 • #5 PINEWOOD PLAZA DR.
GRANITE FALLS, NORTH CAROLINA 23630
[phone]
SAMPLE: Corning Optical (003) COLLECTION DATE: 8/30/2017
PERMIT #: COLLECTION TIME: 11:27
ADDRESS: Corning Optical RECEIVED DATE.- 8/31/2017
P.O. Box 489 RECEIVED TIME: 11:50
Hickory, NC 28603-0489
REPORTED: 9/15/2017
A'NALYSJS
ANALYSIS
RESULTS
UNITS
DATE ANALYST
Lead
0.002
mg/L
9/12/17
TSS
7.4
mg/L
911/17 }rg
Copper
0.011
mg/L
9l12117
Zinc
0.526
mg1L
915117
Oil & Grease
<5.6
mg1L
8/31/17 idg
LOG ID: 1708-511 REPORTED BY: NC CERTIFIED LAI3 # 50
fq� �0 �
'Pony Gragg, Lab Supervisor

R TERO TECH LROSIric.
r POST OFFICE BOX 1056 • #5 PINEWOOD PLAZA DR
GRANITE FALLS, NORTH CAROLINA 26630
[phone]
SAMPLE. Corning Optical (005) COLLECTION DATE: 8/30/2017
PERMIT #: COLLECTION TIME: 11:13
ADDRESS: Corning Optical RECEIVED DATE: 8/31/2017
P.O. Box 489 RECEIVED TIME: 11:50
Hickory, NC 28603-0489
REPORTED: 9/15/2017
ANAL'.YSI S." .
ANALYSIS
RESULTS
UNITS
DATE ANALYST
Lead
0.003
mg/L
9112117
TSS
4.5
mg1L
911117 irg
Copper
0.099
mg/L
9/12/17
Zinc
0.193
mg/L
915117
Oil & Grease
<5.6
mg/L
8/31117 jdg
LOG ID: 1708-512 REPORTED BY: NC CERTIFIED LAB # 50
ffl�
"Pony Gragg, Lab Supervisor

1
W
T—E]
Ta K--1 i irr, ,, y� t
pp
� I
5 Pinewood Plaza Drive -- P.O. Box 1056
Granite Falls, NC 28630
Phone [phone] -- Fax [phone]
CLIENT: Corning Cagle Systems-TC Pit PHONE NUMBER: 828-327-5000
clo Steve Street TYPE SAMPLE: Stormwater
P.O Box 489 No. LOCATIONS: 4
Hickory, NC 28603-0489 SAMPLER NAME:
Sam le Collection
Information
TYPE
CONTAINERS
ANALYSIS REQUIRED
Sample Location
Facili Name
DATE
TIME
ITEMP. °C
Grab/
Com osite
No
Plastic/
Glass
Discharge 001
Grab
3
Plastic/
Glass
TSS, Oil & Gr., Lead, Copper, Zinc
Discharge 002
Grab
3
Plastid
Glass
TSS, Oil & Gr., Lead, Copper, Zinc
Discharge 003
34
r J�,r� 7
Grab
3
Plastic/
Glass
TSS, Oil & Gr., Lead, Copper, Zinc
005 Dischar a
g
d3-0117
/ 3
Grab
3
Plastic/
Glass
TSS, Oil & Gr., Lead, Co er, Zinc
PP
Relinquished By:
Drto
Time:
Recieved
Date:
Time:
Relinquished By:
Date:
Time:
Received
Da e:
Time:
PRESETATlON:
of ec
(J NaOH3�
f ] Dechlornating Agent
(] Other
SAMPLE TEMP. @ LAB (1C) �•
Chlorine Residual mg/1
NC CERTIFIED LAB # 50

Semi-annual Stormwater Discharge Monitoring Report
for North Carolina Division of Water Quality General Permit No. NCG030000
Date submitted: 09/22/2017
CERTIFICATE OF COVERAGE NO. NCG030000 N C G- 030 a 4k
FACILITY NAME: Hickory Manufacturing and Technology Center
COUNTY: Catawba
PERSON COLLECTING SAMPLES: Steve Street C f LABORATORY: Water Tech Labs Lab Cert. # SO RECEIVED
UC C
Comments on sample collection or analysis: OCT d 6 2617
CENTI,AL FILES
DWR SECTION
Part A: Stormwater Benchmarks and Monitoring Results
SAMPLE COLLECTION YEAR: 2017
SAMPLE PERIOD ❑ Jan -June ❑ July -Dec
or 0 Monthly' Quarterly —August
DISCHARGING TO CLASS []ORW ❑HQW ❑Trout ❑PNA
❑Zero -flow [—]Water Supply ❑SA
❑Other
PLEASE REMEMBER TO SIGN ON PAGES 2 AND/OR 3 4
❑ No discharge this period:2
Date Sample
24-hour rainfall
pH,
Non -Polar O&G/
Total Toxic
Outfall No.
Collected'
amount,
Total Suspended Solids
Standard units
Copper
Lead
Zinc
Total Petroleum
Organicss
(mo/dd/yr)
Inches3
Hydrocarbons
Benchmarks =_=>
_
-
100 mg/L or 50 mg/L
6.0 -� 9.0
0.007 mg/L
0.03 mg/L
0.067 mg/L
15 mg/L
1 mg/L
3
8/30/17
.03"
7.4 mg/I
7.31
.011 mg/I
.002 mg/I
.526 mg/I
<5.6 mg/I
N/A
5
8/30/17
.W"
4.5 mg/I
7.01
.099 mg/I
.003 mg/I
.193 mg/I
<5.6 mg/I
N/A
1 Monthly sampling (instead of semi-annual) must begin with the second consecutive benchmark exceedance for the same parameter at the same outfall.
Z For sampling periods with no discharge at any single outfall, you must still submit this discharge monitoring report with a checkmark here.
3The total precipitation must be recorded using data from an on -site rain gauge. Unattended sites may be eligible for a waiver of the rain gauge requirement.
4 See General Permit, Table 3 identifying the especially sensitive receiving water classifications where the more protective benchmark applies.
5 Total Toxic Organics sampling is applicable only for those facilities which perform metal finishing operations, manufacture semiconductors, manufacture
electronic crystals, or manufacture cathode ray tubes. For purposes of this permit the definition of Total Toxic Organics is that definition contained in the EPA
Effluent Guidelines for the facility subject to the requirement to sample (for metal finishing use the definition as found in 40 CFR 433.11; for semiconductor
manufacture use the definition as found in 40 CFR 469.12; for electronic crystal manufacture use the definition as found in 40 CFR 469.22; and for cathode ray
tube manufacture use the definition found in 40 CFR 469.31).
© 2017 Corning Incorporated. All Rights Reserved.
Permit Date: 11/l/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 1 of 3

Facilities that incorporate a solvent management plan into the Stormwater Pollution Prevention Plan may so certify, and the requirement for TTO monitoring
may be waived. The solvent management plan shall include a list of the total toxic organic compounds used and the other elements listed in the General
Permit. For those facilities electing to employ the TTO monitoring waiver, the discharger shall sign the following certification statement:
"Based upon my inquiry of the person or persons directly responsible for managing compliance with the permit monitoring requirement for total toxic organics
(TTO), I certify that to the best of my knowledge and belief, no dumping of concentrated toxic organics into the stormwater or areas which are exposed to rainfall or
stormwater runoff has occurred since filing the last discharge monitoring report. I further certify that this facility is implementing the all the provisions of the
solvent management plan included in the Stormwater Pollution Prevention Plan."
Name (Print name)
Title (Print title)
(Signature)
(Date)
Note: Results must be reported in numerical format. Do not report Below Detection Limit, BDL, <PQL, Non -detect, ND, or other similar non -numerical
format. When results are below the applicable limits, they must be reported in the format, "<XX mg/L", where XX is the numerical value of the detection
limit, reporting limit, etc. in mg/L.
Note: If you report a sample value in excess of the benchmark, you must implement Tier 1, Tier 2, or Tier 3 responses. See General Permit text.
Part B: Vehicle Maintenance Area Monitoring Results: only for facilities averaging > 55 gal of new ail per month.
❑ No discharge this period ?2
Outfall No.
Date Sample
Collected'
(mo/dd/yr)
24-hour rainfall
amount,
lnches3
Non -polar O&G/TPH by
EPA 1664 (SGT-HEM)
Total Suspended Solids
pH
Benchmarks ===>
-
-
15 mg/L
100 mg/L or 50 mg/L"
6.0 — 9.0 SU
N/A
N/A
N/A
N/A
N/A
N/A
© 2017 Corning Incorporated. All Rights Reserved.
Permit Date: 11/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 2 of 3

Footnotes from Part A also apply to this Part B
* See General Permit text, Table 5, identifying the especially sensitive receiving water classifications where the more protective benchmark applies.
Note: If you report a sample value in excess of the benchmark, you must implement Tier 1, Tier 2, or Tier 3 responses. See General Permit text.
FOR PART AND PART B MONITORING RESULTS:
• A BENCHMARK EXCEEDANCE TRIGGERS TIER 1 REQUIREMENTS. SEE PERMIT PART II SECTION B.
• 2 EXCEEDANCES IN A ROW FOR THE SAME PARAMETER AT THE SAME OUTFALL TRIGGER TIER 2 REQUIREMENTS. SEE PERMIT PART II SECTION B.
• TIER 3: HAS YOUR FACILITY HAD 4 OR MORE BENCHMARK EXCEEDANCES FOR THE SAME PARAMETER AT ANYONE OUTFALL? YES ®NO❑
IF YES, HAVE YOU CONTACTED THE DWQ REGIONAL OFFICE? YES® NO ❑
REGIONAL OFFICE CONTACT NAME: HMTC's latest site review was completed by Mr. James Moore with the Mooresville regional office on 6 28 17.
Mail an original and one copy of this DMR, including all "No Discharge" reports, within 30 days of receipt of the lab results (or at end of monitoring period
in the case of "No Discharge" reports) to:
Division of Water Quality
Attn: DWQ Central Files
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
YOU MUST SIGN THIS CERTIFICATION FOR ANY INFORMATION REPORTED:
"I certify, under penalty of law, that this document and all attachments were prepared under my direction or supervision in accordance with a system designed to
assure that qualified personnel properly gather and evaluate the information submitted. Based on my inquiry of the person or persons who manage the system, or
those persons directly responsible for gathering the information, the information submitted is, to the best of my knowledge and belief, true, accurate, and complete.
am aware that there are significant penalties for submitting false information, including the possibility of fines and imprisonment for knowing violations."
(Signature of Permittee)
9 -.�ta- ;t017
(Date)
O 2017 Corning Incorporated. All Rights Reserved.
Permit Date: 11/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 3 of 3

WDENR
Stormwater Discharge Outfall (SD4)
Qualitative Monitoring Report
Forguidance on filling out this form, please visit. htt2%/portal.ncdenr.org/web/wg/ws/su/npdessw#tab-4
Permit No.: N/C/ D/ 3/0/0/0/Q/Q/ or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and Technology Center — Corning Optical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Steve Street
Date of Inspection: 8/3012017
Time of Inspection: 11:27 pm
Total Event Precipitation (inches):.03"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
® Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit). ,
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature, I certify that this report is accurate and complete to the best of my knowledge:
(Signature'of Permittee or Designee)
© 2017 Corning Incorporated, All Rights Reserved.
Pagel of 2
SWU-242, Last modified 10/25/2012

1. Outfall Description:
Outfall No. 003 Structure (pipe, ditch, etc.) Pine
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: Reel storage, machine
shop, and warehouse.
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Discharge was clear.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odors were present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
H1 2 3 4 5
5. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
rl 2 3 4 5
7. Is there any foam in the stormwater discharge? Yes No
8. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
© 2017 Corning Incorporated. All Rights Reserved.
Page 2 of 2
SWU-242, Last modified 10/25/2012

��A
NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
For guidance on filling out this form, please visit: httR//12ortal.ncdenr.org/web/wq/ws/su/npdessw#tab-4
Permit No.: N/C/ 0//Q/0/0/Q/0/ or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing_ and Technology Center - Corning Optical CQmmuni rations
County: Catawba Phone No.: 828-901-6695
Inspector: Steve Street
Date of Inspection: 8 17
Time of Inspection: 11:13 pm
Total Event Precipitation (inches):"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
© Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature, I certify that this report is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
O 2017 Corning Incorporated. All flights Reserved.
Pagel of 2
SWU-242, Last modified 10/25/2012

1. Outfall Description:
Outfall No. 005 Structure (pipe, ditch, etc.) Pine
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: Manufacture of fiber
optic cable and warehouse.
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Color was clear.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
1� 2 3 4 5
5. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
�1 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
0 2 3 4 5
7. Is there any foam in the stormwater discharge? Yes No
8. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
© 2017 Corning Incorporated. All Rights Reserved.
Page 2 of 2
SWU-242, last modified 10/25/2012

w#rrER4TKcH [e-mail].
POST OFFICE BOX 1056 • #5 PINEWOOD PLAZA DR.
GRANITE FALLS, NORTH CAROLINA 28630
[phone]
SAMPLE: Corning Optical (003) COLLECTION DATE: 8/30/2017
PERMIT #: COLLECTION TIME: 11:27
ADDRESS: Corning Optical RECEIVED DATE: 8/31/2017
P.O. Box 489 RECEIVED TIME: 11:50
Hickory, NC 28603-0489
REPORTED: 9/15/2017
ANALYSIS RESULTS
Lead
0.002
TSS
7.4
Copper
0.011
Zinc
0.526
Oil & Grease
<5.6
LOG ID: 1708-511
ANALYSIS
UNITS
DATE ANALYST
mglL
9/12117
mglL
911117 jrg
mglL
9/12/17
mglL
915117
mg1L
8131117 jdg
REPORTED BY: NC CERTIFIED LAB # 50
fl�
Tony Gragg, Lab Supervisor

IdRTEROrECH LRBS.Inc.
POST OFFICE BOX 1056 • #5 PINEWOOD PLAZA DR.
GRANITE FALLS, NORTH CAROLINA 28630
[phone]
SAMPLE: Corning Optical (005) COLLECTION DATE: 8/30/2017
PERMIT #: COLLECTION TIME: 11:13
ADDRESS: Corning Optical RECEIVED DATE: 8/31/2017
P.O. Box 489 RECEIVED TIME., 11:50
Hickory, NC 28603-0489
REPORTED: 9/15/2017
�------ -----
� � _---
-ANALYSIS
_ r
ANALYSIS
RESULTS
UNITS
DATE ANALYST
Lead
0.003
mg/L
9/12117
T55
4.5
mg/L
911117 jrg
Capper
0.099
mg/L
9112/17
Zinc
0.193
mg/L
915117
Oil & Grease
<5.6
mg/L
8/31/17 jdg
LOG 1D: 1708-512 REPORTED BY; NC CERTIFIED LAB # 50
f&�
Tony Gragg, Lab Supervisor

RESEARCh & ► NA1YTiCA1
UboRATORiES, NC.
For: Water Tech Labs, Inc.
P.O. Box 1056
Granite Falls, NC 28630
Attn: Joe Gragg
Report of Analysis
9/14/2017
Ijjj
ti a4/� V • l�'�i/ �y +i
cl
0.
M
in PVC 434 z Cn
IINIC 437701
r � y
91
Client Sample ID: Corning 003 Lab Sample ID: 39470-01
Site: Water Tech Labs Collection Date: 8/30/2017 11:27
Parameter Method Result Units Rep Limit An�alVst Analysis Date me -]
Copper, Total EPA 200.8 0.011 mg/L 0.001 KL 9/12/2017
Lead, Total
EPA 200.8
0.002
mg/L
0.001
KL
9/12/2017
Zinc, Total
EPA 200.7
0.526
mg/L
0.01
KL
9/5/2017
Client Sample ID:
Corning 005
Lab Sample ID:
39470-02
Site:
Water Tech Labs
Collection Date:
8/30/2017
11:13
Parameter
Method
Result
Units
Reg Limit Analyst Analysis Date[Time
I
Copper, Total
EPA 200.8
0.099
mg/L
0.001
KL
911212017
Lead, Total
EPA 200.8
0.003
mg/L
0.001
KL
9/12/2017
Zinc, Total
EPA 200.7
0.193
mg/L
0.01
KL
9/5/2017
Nil = not Cnalyze d
P.O. Sox 473 106 Short Street Kernersville. North Carolina 27284 Tel: [phone] Fax: [phone] vmrv.randalabs.c3m Page 1

1 W ATE LBS, Inc,
R TECH L.A
5 Pinewood Plaza Drive - P.O. Box 1056
Granite Falls, NC 28630
Phone [phone] - Fax [phone]
CLIENT: Corning Cable Systems-TC Pit PHONE NUMBER: 828-327-5000
c/o Steve Street
P.O Box 489
Hickory, NC 28603-0489
TYPE SAMPLE: Stormwater
No. LOCATIONS: 4
SAMPLER NAME:
Sample Collection
Information
TYPE
CONTAINERS
ANALYSIS REQUIRED
Sample Location
FacilityName
DATE
TIME
TEMP. °C
Grab/
Composite
No
Plastic/
Glass
Discharge 001
Grab
3
Plastic/
Glass
TSS, Oil & Gr., Lead, Copper, Zinc
Discharge 002
Grab
3
Plastic/
Glass
TSS, Oil & Gr., Lead, Copper, Zinc
Discharge 003
30
�� �v27
Grab
3
Glass/
TSS, Oil & Gr., Lead, Copper, Zinc
Discharge 005
L34'73
r1
Grab
3
Glass/
TSS, Oil & Gr., Lead, Copper, Zinc
Relinquished By:
D to
Time:
Recieved
Date:
Time:
Relinquished By:
Date:
Time:
Received
Date:
Time:
PRE ESE�IATION.•
g o°C
f 4
j] N,V03
3
j] Dechlornating Agent
�] Other
SAMPLE TEMP. @ LAB (°C) �/
Chlorine Residual mg/l
NC CERTIFIED LAB # 50

Steve Street Hickory Manufacturing and t 828-901-6695
Sr. EHS Coordinator Technology Center f 828-901-5665
PO Box 489 [e-mail]
Hickory, NC 28603 www.corning.com
September 22" d, 2017
North Carolina Department of Environmental Quality
Division of Energy, Mineral, and Land Resources
Attn: DWQ Central Files
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
Dear Sir/Madam:
Please find enclosed an original and one (1) copy of the Stormwater Discharge Monitoring
Report for Corning Optical Communications, LLC — Hickory Manufacturing and Technology
Center (HMTC) located in Hickory, Catawba County, North Carolina. The stormwater
samples were collected on 8/30/2017 for all permitted outfalls and represent the quarterly
sample as specified in the recent requirements set forth by NCDEQ for HMTC.
The results are mixed and reflect HMTC to be outside the benchmark value for the following
parameters:
Copper — Stormwater OutfalI 3 and 5
Zinc — Stormwater Outfall 3 and 5
Additional attachments include the Laboratory Analytical Report, Chain -of -Custody, and
Qualitative Monitoring Report. Please contact me if you have any questions at 828-901-6695.
Sincerely,
Stephen L Street
Senior Environmental, Health and Safety Coordinator
attachments
© 2017 Corning Incorporated. All Rights Reserved.

CORNICOl71�TiTT( Steve Street Hickory Manufacturing and
NG L7 Sr. EHS Coordinator Technology Center
PO Box 489
Hickory, NC 28603
tJc C--, 03 O Z g (,
June 30"', 2017
North Carolina Department of Environment and Natural Resources
Division of Energy, Mineral, and Land Resources
Mooresville Regional Office
Attn: Mr. James Moore
610 East Center Avenue, Suite 301
Mooresville, NC 28115
Dear Mr, Moore:
1828.901-6134
f826-901-5665
sieve. street(Mcorni ng.com
www.corning.com
q-71
o - <�
0
The purpose of this letter is to request Representative Outfall Status for Stormwater Discharge
Outfall (SDO) 3. SDO 3 represents similar activities as SDO 1 and SDO 2. In addition, data
from the previous three years of monitoring has indicated results are similar for each of these
outfalls. This data was provided earlier to NCDEQ in the letter and attachment dated May
25th, 2017. Attachments with this letter include the Representative Outfall Status Request
form and two copies of the site's map.
Per our earlier discussion, HMTC would like to request that qualitative monitoring for SDO 1,
SDO 2, and SDO 4 be waived due to safety concerns accessing these outfalls. Additionally,
I-IMTC would like to conduct monitoring for SDO 3 at the manhole access located at the top
of the embankment, if feasible. This location is the collection point of stormwater draining to
SDO 3, with no additional water being added prior to reaching the final discharge point.
HMTC is an ISO 14001 certified facility and recognized by the North Carolina Department of
Environmental Quality as an Environmental Steward. Please contact me if you have any
questions at 828-901-6695.
Sincerely,
Steve Street
Sr. EHS Coordinator
attachments
cc: Ahmed Koilakh
Todd Whitaker
0 2017 Corning Incorporated. All Rights Reserved.

Representative Outfall Status Request
If a facility is required to sample multiple discharge locations with very similar storm water discharges, the
permittee may petition the Director for Representative Outfall Status (ROS). DWQ may grant Representative
Outfall Status if stormwater discharges from a single outfall are representative of discharges from multiple
outfalls. Approved ROS will reduce the number of outfalls where analytical sampling requirements apply.
If Representative Outfall Status is granted, ALL outfalls are still subject to the qualitative monitoring
requirements of the facility's permit —unless otherwise allowed by the permit (such as NCG020000) and DWQ
approval. The approval letter from D WQ must be kept on site with the facility's Storm water Pollution
Prevention Plan. The facility must notify DWQ in writing if any changes affect representative status.
For questions, please contact the DWQ Regional Office for your area (see page 3).
(Please print or type)
1) Enter the permit number to which this ROS request applies:
Individual Permit (or)
N I C I S
2) Facility Information:
Owner/Facility Name: Corning Optical Communications - HMTC
Facility Contact
Street Address:
City:
County:
Telephone No.
Steve Street _
1164 23`d St SE
Hickory .
Catawba
828-901-6695
Certificate of Coverage
1NG1013101214161
a r"
R c:
State: NC ZIP Code: 28602
E-mail Address: steve.street@co
Fax:
3) List the representative outfalls) information (attach additional sheets if necessary):
Outfall(s) 3 is representative of Outfall(s) 1 and 2
com
Outfalls' drainage areas have the same or similar activities?
X Yes
❑ No
Outfalls' drainage areas contain the same or similar materials?
X Yes
❑ No
Outfalls have similar monitoring results?
X Yes
❑ No ❑ No data*
Outfall(s) is representative of Outfall(s)
Outfalls' drainage areas have the same or similar activities?
❑ Yes
❑ No
Outfalls' drainage areas contain the same or similar materials?
❑ Yes
❑ No
Outfalls have similar monitoring results?
❑ Yes
❑ No ❑ No data*
Outfall(s) is representative of Outfall(s)
Outfalls' drainage areas have the same or similar activities?
o Yes
o No
Outfalls' drainage areas contain the same or similar materials?
❑ Yes
❑ No
Outfalls have similar monitoring results?
❑ Yes
❑ No ❑ No data*
*Non-compliance with analytical monitoring prior to this request may prevent ROS approval. Specific
circumstances will be considered by the Regional Office responsible for review.
4) Detailed explanation about why the outfalls above should be granted Representative Status:
(Or, attach a letter or narrative to discuss this information.) For example, describe how activities and/or
materials are similar.
© 2017 Corning Incorporated. All Rights Reserved.
Page 1 of 3
SWU-ROS-2009 Last revised 12/30/2009

Representative Outfall Status Request
Stormwater Discharge Outfalls (SDO) 1, 2, and 3 are similar in the following aspects: 1) SDO 1 and SDO 3
both receive water from roof surfaces; 2) All three outfalls receive water from the concrete surface where
steel reels, wood reels, and finished fiber optic cable on reels are stored; and 3) All three outfalls receive
water from the concrete surface where high traffic areas occur from fork -lifts and service vehicles. Data
collected from stormwater events over the previous three years indicates similar results for each
benchmark parameter at SDO 1, 2, and 3. See letter and attachment provided to NCDEQ dated 5/25/2017
from Corning Optical Communications — HMTC.
5) Certification:
North Carolina General Statute 143-215.6 B(i) provides that:
Any person who knowingly makes any false statement, representation, or certification in any application, record,
report, plan, or other document filed or required to be maintained under this Article or a rule implementing this
Article; or who knowingly makes a false statement of a material fact in a rulemaking proceeding or contested case
under this Article; or who falsifies, tampers with, or knowingly renders inaccurate any recording or monitoring device
or method required to be operated or maintained under this Article or rules of the [Environmental Management]
Commission implementing this Article shall be guilty of a Class 2 misdemeanor which may include a fine not to exceed
ten thousand dollars ($10,000).
I hereby request Representative Outfall Status for my NPDES Permit. I understand that ALL outfalls are still
subject to the qualitative monitoring requirements of the permit, unless otherwise allowed by the permit
and regional office approval. I must notify DWQ in writing if any changes to the facility or its operations
take place after ROS is granted that may affect this status. If ROS no longer applies, I understand I must
resume monitoring of all outfalls as specified in my NPDES permit.
I certify that I am familiar with the information contained in this application and that to the best of my
knowledge and belief such information is true, complete, and accurate.
Printed Name of�erson Signing: A 44 m C J KO I LftKr'1+
Title: LI) r-T AnlW) (--6 It
i
(Signature of Applicant)
(-o13o/aoI?
^ (Date Signed)
Please note: This application for Representative Outfall Status is subject to approval by the
NCDENR Regional Office. The Regional Office may inspect your facility for compliance with the
conditions of the permit prior to that approval.
Final Checklist for ROS Request
This application should include the following items:
❑ This completed form.
❑ Letter or narrative elaborating on the reasons why specified outfalls should be granted representative
status, unless all information can be included in Question 4.
Cl Two (2) copies of a site map of the facility with the location of all outfalls clearly marked, including the
drainage areas, industrial activities, and raw materials/finished products within each drainage area.
❑ Summary of results from monitoring conducted at the outfalls listed in Question 3.
❑ Any other supporting documentation.
Mail the entire package to:
NC DENR Division of Water Quality
Surface Water Protection Section
at the appropriate Regional Office (See map and addresses below)
© 2017 Corning Incorporated. All Rights Reserved.
Page 2 of 3
S W U-ROS-2009
Last revised 12/30/2009

Representative Outfall Status Request
Notes
The submission of this document does not guarantee Representative Outfall Status (ROS) will be granted as
requested. Analytical monitoring as per your current permit must be continued, at all outfalls, until written
approval of this request is granted by DWQ. Non-compliance with analytical monitoring prior to this request
may prevent ROS. approval. Specific circumstances will be considered by the Regional Office responsible for
review.
For questions, please contact the DWQ Regional Office for your area.
Asheville Regional Office
2090 U.S. Highway 70
Swannanoa, NC 28778
Washington Regional Office
943 Washington Square Mall
Phone [phone]
Washington, NC 27889
FAX [phone]
Phone [phone]
Fayetteville Regional Office
FAX [phone]
Systel Building,
225 Green St., Suite 714
Wilmington Regional Office
Fayetteville, NC 28301-5094
127 Cardinal Drive Extension
Wilmington, NC 28405
Phone [phone]
FAX 910I 486-0707
Phone [phone]
FAX [phone]
Mooresville Regional Office
610 East Center Ave.
Winston-Salem Regional Office
Mooresville, NC 28115
585 Waughtown Street
Winston-Salem, NC 27107
Phone [phone]
Phone [phone]
FAX [phone]
Water Quality Main FAX [phone]
Raleigh Regional Office
Central Office
1628 Mail Service Center
1617 Mail Service Center
Raleigh, NC 27699-1628
Raleigh, NC 27699-1617
Phone [phone]
Phone [phone]
FAX [phone]
FAX [phone]
© 2017 Corning Incorporated. All Rights Reserved.
Page 3 of 3
SWU-ROS-2009 Last revised 12/30/2009

■
z

[`[c
E• I
Q f r
i ! f
tic
IT
Jf
_ _eta
lef� S•13�7 I
�•�ki�e-�,f
(�6:rii�3
M,
I=

Energy, Mineral
and Land Resources
ENVIRONMENTAL QUALITY
June 28, 2017
Corning Incorporated
Hickory Manufacturing and Technical Center
Attention: Steve Street
Post Office Box 489
Hickory, North Carolina 28603
Subject: Technical Assistance Inspection Report
NPDES Stormwater Certificate of Coverage- NCG-030246
Hickory, North Carolina
Catawba County
Dear Mr. Street:
ROY COOPER
Govurnur
MICHAEL S. REGAN
Seeretary
TRACY E. DAVIS
Director
Enclosed please find a copy of the Technical Assistance Inspection Report for the site inspection I conducted
on June 27, 2017. At this time the Mooresville Regional Office can grant relief from monthly monitoring to
quarterly monitoring after silt sack inlet protection is implemented for outfalls 2 and 3. Also, we would support
representative outfall status for outfalls 3 and S. The report should be self-explanatory; however if you have any
questions please do not hesitate to contact me at [phone] or by email at iames.nioore c ncclenr.gov.
Enclosure
Sincerely,
James Moore
Assistant Regional Engineer
Slate of North Caratina I Environmental Quality I Energy, Mineral and Land Resources
Mooresville Regional Office 1 610 East Center Ave Ste 301 1 Mcwresvillc, NC 28115
704 663 1699 T

Permit: NCG030246
SOC:
County: Catawba
Region: Mooresville
Contact Person: Steve Street
Directions to Facility:
System Classifications:
Primary ORC:
Secondary ORC(s):
On -Site Representative(s):
Related Permits:
Compliance Inspection Report
Effective: 11/01/12 Expiration: 10/31/17 owner: Corning Optical Communications LLC
Effective: Expiration: Facility: Hickory Manufacturing and Technology Center
1164 23rd St Se
Inspection Date: 06/27/2017
Primary Inspector: James D Moore
Secondary Inspector(s):
Title:
EntryTime: 10:OOAM
Certification:
Hickory NC 28602
Phone: [phone]
Phone:
Exit Time: 12:15PM
Phone:
Reason for Inspection: Routine Inspection Type: Technical Assistance
Permit Inspection Type: Metal Fabrication Stormwater Discharge COC
Facility Status: Compliant ❑ Not Compliant
Question Areas:
Storm Water
(See attachment summary)
Page: 1

Permit: NCG030246 Owner - Facility: Corning Optical Communications LLC
Inspection Date: 06/27/2017 Inspection Type : Technical Assistance Reason for Visit: Routine
Inspection Summary:
Based on the site inspection, after silt sack inlet protection is implemented for outfalls 2 and 3, monthly monitoring can be
reduced to quarterly.The MRO also recommends that representative outfall status be requested for outfalls 3 and 5.
Page: 2

Permit: NCG030246 Owner - Facility: Corning Optical Communications LLC
Inspection Date: 0612712017 Inspection Type : Technical Assistance Reason for Visit: Routine
Analytical Monitorinq
Has the facility conducted its Analytical monitoring?
# Has the facility conducted its Analytical monitoring from Vehicle Maintenance areas?
Yes No NA NE
❑ ❑ ❑
❑❑■❑
Comment: Monthlv monitorina has been onaoina at the site since September 2014, Cornina has taken all
reseaonable measures to evaluate sources of metals and TSS and has implemented several
corrective actions to mitigate stormwater impacts (see Amec May 26, 2017 report). To further
reduce potential TSS and metal impacts, the MRO recommends silt sack inlet protection for all
yard inlets and curb inlets in the drainage area for outfalls 2 and 3. Once implemented, Corning
can reduce the monthly monitoring requirements from monthly to quarterly. After 1 year we can
meet_again to review the data and next steps.
Permit and Outfalls Yes No NA NE
# Is a copy of the Permit and the Certificate of Coverage available at the site? ❑ D ❑
# Were all outfalls observed during the inspection? 1111 M
# If the facility has representative outfall status, is it properly documented by the Division? ❑ ❑ E ❑
# Has the facility evaluated all illicit (non stormwater) discharges? 0 ❑ ❑ ❑
Comment: All outfalls were observed during the inspection. Based on a review of past monitoring data and
site conditions, Corning could request representative site sampling status for outfalls 3 and 5. In
an effort to further reduce TSS discharged at outfalls 2 and 3, silt sack inlet protection is
recommended for all yard inlets and curb inlets in the drainage area for outfalls 2 and 3.
Page: 3

Semi-annual Stor_mwater Discharge Monitoring Report
for North Carolina Division of Water Quality General Permit No. NCG030000
Date submitted: 06 22 2017
CERTIFICATE OF COVERAGE. NO. NCG030000 /G Q 3SAMPLE COLLECTION YEAR: 2017
FACILITY NAME: Hickory Manufacturing and Technology Center SAMPLE PERIOD ❑ Jan -June ❑ July -Dec
COUNTY: Catawba or ® Monthly' —June
PERSON COLLECTING SAMPLES: Steve Street and Rick Clark REC DISCHARGING TO CLASS ❑ORW ❑HQW ❑Trout ❑PNA
LABORATORY: Water Tech Labs Lab Cert. # 50 !VED ❑Zero -flow ❑Water Supply []SA
Comments on sample collection or analysis: JUL 3 f 2017 []Other
CENTRAL FILES PLEASE REMEMBER TO SIGN ON PAGES 2 AND/OR 3 4
DVvR SECTION
Part A: Stormwater Benchmarks and Monitoring Results
❑ No discharge this period?'
Polar.0&G/'
Outfall No.
Date Sample
±. x
` 24=hour rainfall-
,�'Non
'
Total Suspended Solids
pH,
Copper
lead
Zinc
. Tatal Petroleum
Total,_T6xic
s
:C6ilected-
_.-
amount,
.
Standard units .
Organics •
_�..', .,
(mo%dd/yr),.
;Inches3t'.
HYd iocarbons
mg/L•nr 50 mg/L. y
6:0 — 9:0
0.007iriig%L
D.D3 mg/! °
0.067,mg%L
15,mg/L :
i rtig/L'
1
6/22/17
1.00"
31 mg/I
7.35
.018 mg/I
.006 mg/1
.520 mg/I
<5.6 mg/I
N/A
2
6/22/17
1.001,
55 mg/I
7.43
.025 mg/I
.005 mg/I
.810 mg/I
<5.6 mg/I
N/A
3
6/22/17
1.00"
11 mg/I
7.17
.015 mg/I
.002 mg/I
.447 mg/I
<5.6 mg/I
N/A
5
6/22/17
1.00"
4.8 mg/I
7.21
.015 mg/I
I <.001 mg/1
.039 mg/I
<5.6 mg/I
N/A
1 Monthly sampling (instead of semi-annual) must begin with the second consecutive benchmark exceedance for the same parameter at the same outfall.
2 For sampling periods with no discharge at any single outfall, you must still submit this discharge monitoring report with a checkmark here.
'The total precipitation must be recorded using data from an on -site rain gauge. Unattended sites may be eligible for a waiver of the rain gauge requirement.
" See General Permit, Table 3 identifying the especially sensitive receiving water classifications where the more protective benchmark applies.
5 Total Toxic Organics sampling is applicable only for those facilities which perform metal finishing operations, manufacture semiconductors, manufacture
electronic crystals, or manufacture cathode ray tubes. For purposes of this permit the definition of Total Toxic Organics is that definition contained in the EPA
Effluent Guidelines for the facility subject to the requirement to sample (for metal finishing use the definition as found in 40 CFR 433.11; for semiconductor
manufacture use the definition as found in 40 CFR 469.12; for electronic crystal manufacture use the definition as found in 40 CFR 469.22; and for cathode ray
tube manufacture use the definition found in 40 CFR 469.31).
© 2017 Corning Incorporated. All Rights Reserved.
Permit Date: 11/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 1 of 3

Facilities that incorporate a solvent management plan into the Stormwater Pollution Prevention Plan may so certify, and the requirement for TTO monitoring
may be waived. The solvent management plan shall include a list of the total toxic organic compounds used and the other elements listed in the General
Permit. For those facilities electing to employ the TTO monitoring waiver, the discharger shall sign the following certification statement:
"Based upon my inquiry of the person or persons directly responsible for managing compliance with the permit monitoring requirement for total toxic organics
(TTO), I certify that to the best of my knowledge and belief, no dumping of concentrated toxic organics into the stormwater or areas which are exposed to rainfall or
stormwater runoff has occurred since filing the last discharge monitoring report. I further certify that this facility is implementing the all the provisions of the
solvent management plan included in the Stormwater Pollution Prevention Plan."
N/A
Name (Print name)
Title (Print title)
(Signature)
(Date)
Note: Results must be reported in numerical format. Do_not report Below Detection Limit, BDL, <PQL, Non -detect, ND, or other similar non -numerical
format. When results are below the applicable limits, they must be reported in the format "<XX me/L", where XX is the numerical value of the detection
limit, reporting limit, etc. in mg/L.
Note: if you report a sample value in excess of the benchmark, you must implement Tier 1, Tier Z or Tier responses. See General Permit text.
Part B: Vehicle Maintenance Area Monitoring Results: only for facilities averaging > 55 gal of new oil per month.
❑ No discharge this period?'
......
Outfall No.
Date Sample.?
Collected"
(mo/dd/yr)
24 hour. rainfall <:
artiount,.
s
Inches
Non -polar O&G/TPH.by
EPA 1664 (SGT-,HEM) -
Total-Suspen.ded Solids
pH
Benchmarks --->
15 Mg,- A
100 mg/l. or' 0 mg/L*-
6 0 = 9:0;SU
N/A
N/A
N/A
N/A
N/A
N/A
© 2017 Corning Incorporated. All Rights Reserved.
Permit Date: 11/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 2of3

Footnotes from Part A also apply to this Part B
* See General Permit text, Table 5, identifying the especially sensitive receiving water classifications where the more protective benchmark applies.
Note: if you report a sample value in excess of the benchmark, you must implement Tier 1, Tier Z or Tier 3 responses. See General Permit text.
FOR PART AAND PART B MONITORING RESULTS:
+ A BENCHMARK EXCEEDANCE TRIGGERS TIER 1 REQUIREMENTS. SEE PERMIT PART II SECTION B.
• 2 EXCEEDANCES IN A ROW FOR THE SAME PARAMETER AT THE SAME OUTFALL TRIGGER TIER 2 REQUIREMENTS. SEE PERMIT PART II SECTION B.
+ TIER 3: HAS YOUR FACILITY HAD 4 OR MORE BENCHMARK EXCEEDENCES FOR THE SAME PARAMETER AT ANY ONE OUTFALL? YES ® NOD
IF YES, HAVE YOU CONTACTED THE DWQ REGIONAL OFFICE? YES ® NO ❑
REGIONAL OFFICE CONTACT NAME: HMTC's latest site review was completed by Mr. lames Moore with the Mooresville regional office on 6/28/17.
Mail an original and one copy of this DMR, including all "No Discharge" reports, within 30 days of receipt of the lab results (or at end of monitoring period
in the case o "No Discharge" reports) to:
Division of Water Quality
Attn: DWQ Central Files
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
YOU MUST SIGN THIS CERTIFICATION FOR ANY INFORMATION REPORTED:
"I certify, under penalty of law, that this document and all attachments were prepared under my direction or supervision in accordance with a system designed to
assure that qualified personnel properly gather and evaluate the information submitted. Based on my inquiry of the person or persons who manage the system, or
those persons directly responsible for gathering the information, the information submitted is, to the best of my knowledge and belief, true, accurate, and complete.
am aware that there are significant penalties for submitting false information, including the possibility of fines and imprisonment for knowing violations."
1
(Signature of
? - a 5- .201?
(Date)
02017 Corning Incorporated. All Rights Reserved.
Permit Date: 11/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 3 of 3

MWER6 ffCH LkVBZ,/nc,
POST OFFICE BOX 1056 • #5 PINEWOOD PLAZA DR.
GRANITE FALLS, NORTH CAROLINA 28630
[phone]
SAMPLE: Corning Optical (001) COLLECTION DATE:
6/22/2017
PERMIT #: COLLECTION TIME:
13:15
ADDRESS: Corning Optical RECEIVED DATE:
6/22/2017
P.O. Box 489 RECEIVED TIME:
14:18
Hickory, NC 28603-0489
REPORTED:
7/5/2017
E ,n-. } :ifl'
,.:s�i .d..3 `^Fk" - �-]5 *r'r ' x •� ;i �••? - ., ynum ,,. ar--) ` '
gIVAL�YSIS9 "i
�`�".kc-r.
ANALYSIS
RESULTS
UNITS
DATE
ANALYST
Lead
0.006
mg/L
6127/17
TSS
31.0
mglL
6127117
jrg
Copper
0,018
mg/L
6/27/17
Zinc
0,520
mg/L
6127117
Oil & Grease
<5.6
mg/L
6/30/17
jdg
LOG ID: 1706-376 REPORTED BY: NC CERTIFIED LAB P 50
S k
Tony Gragg, Lab Supervisor

WRrffR6-rffCff LREVinc.
POST OFFICE BOX 1056 • #5 PINEWOOD PLAZA DR.
GRANITE FALLS, NORTH CAROLINA 28630
[phone]
SAMPLE: Corning Optical (002) COLLECTION DATE:
6/22/2017
PERMIT #: COLLECTION TIME:
1313
ADDRESS: Corning Optical RECEIVED DATE:
6/22/2017
P.O. Box 489
RECEIVED TIME:
14:18
Hickory, NC 28603-0489
REPORTED:
7/5/2017
a-y'?
t.;?f�'Y},'�+Ail•..�sr.-2+1..�•�'_,S..w-c3::
3...,t:,,rr s. 1.. 7�a�•i
�.)i.w:+�13'>.d".:A `',.Y�G•.
rr`n.o'�".1. S:I�.�.li..'_:��.•.�3.�:..h.. ?,- .�, 'q. -
ANALYSIS
RESULTS
UNITS
DATE ANALYST
Lead
0.005
mg/L
6127/17
TSS
55.0
mg/L
6127117 irg
Copper
0.025
mg1L
6/27/17
Zinc
0.810
mg/L
5127/17
Oil & Grease
<5.6
mg/L
6/30/17 idg
LOG ID: 1706-377 REPORTED BY: NS
CCERTIFIED LAB # 50
Tony Gragg, Lab Supervisor

mormw6reaw Lfiffigdnc.
POST OFFICE BOX 1056 • #5 PINEWOOD PLAZA DR,
GRANITE FALLS, NORTH CAROLINA 28630
[phone]
SAMPLE: Corning Optical (003) COLLECTIONDATE: 6/22/2017
PERMIT #: COLLECTION TIME: 13:10
ADDRESS: Corning Optical RECEIVED DATE: 6/22/2017
P.O. Box 489 RECEIVED TIME: 14,18
Hickory, NC 28603-0489
REPORTED: 7/5/2017
'r?"`t ���� S��p i��i�'1,tc'�M�a y 4 n�`Ly(�. �.•'—. f Fi
t� "'TOP, l A
2t �.y F51 A
r�,
` k'�',�s-A V1_1.7..:---,-.4E
nor
ANALYSIS RESULTS
UNITS
DATE
ANALYST
Lead 0,002
mg/L
6l27117
TSS 11.0
mgJL
6/27117
jrg
Copper 0.015
mg1L
6/27/17
Zinc 0.447
mg/L
6/27117
Oil & Grease <5.6
mg1L
6/30/17
jdg
LOG ID: 1706-378 REPORTED BY: NC CERTIFIED LAB # 50
fb�
Tony Gragg, Lab Supervisor

ff rffj96T6CfW LOIRS.Inc,
POST OFFICE BOX 1056 • p5 PINEWOOD PLAZA DR.
GRANITE FALLS, NORTH CAROLINA 28630
[phone]
SAMPLE: Corning Optical (005) COLLECTION DATE., 6/22/2017
PERMIT #: COLLECTION TIME., 1115
ADDRESS: Corning Optical RECEIVED DATE: 6/22/2017
P.O. Box 489 RECEIVED TIME: 14:18
Hickory, NC 28603-0489
REPORTED: 7/512017
�� 'EE.�i` �' 3 ,�4'� 3 n w�rzz �, -'-'�" x �F -+' `�""i �r�'(' 'J'C3',Y S4'f't - z 'YM � � q�-^ z �`� .;` Z""^ �' _ f `•,.}
x�ll �,�,c ��'.•Y � <:e ��,t�a-",.k�,h��.�.� ��z �{• �'�AIVALYS15 � �' ����� ' r e4 �� s�� f-sJfaL�l�i '� S^'rYF 15
ANALYSIS -RESULTS UNITS DATE ANALYST
Lead
<0.001 mg1L
6/27/17
TSS
4.8 mg/L
6127117
jrg
Copper
0.015 mg/L
6/27117
Zinc
0.039 mg/L
6127/17
Oil & Grease
<5.6 mg1L
6130117
jdg
LOG ID: 1706-379 REPORTED BY: NCCERTIFIEDLAB # 50
fe�ro P
`Pony Gragg, Lab Supervisor

RESEARCh & ANA1yTICA[
Report of Analysis
LA ORAT®RIES� NCO
6/29/2017
• ISllltlffll/!!
For: Water Tech Labs, Inc.
�����& Cr. 1#
P.O. Box 1056
�;:.t 1~ c>�,;'•,�
cif;
Granite Falls, NC 28630
Q`�
�rrl
NC 034 Z. -
Attn: Joe Gragg
�. NC 937701
Client Sample ID: Corning 001
p 9
Lab Sample ID: 36378.01
Site: Water Tech Labs
Collection Date: 6/22/2017 13:15 I
Parameter Method
Result Units
Rep Limit Analyst Analysis DatelTime
Copper, Total EPA 200.8
0.018 mg1L
0,001 SK 6/2712017 I
Lead, Total EPA 200.8
0,006 mg1L
0.001 SK 6/2712017
Zinc, Total EPA 200.7
0,520 mg1L
0.01 SK 6/27/2017
Client Sample 1D:
Site:
Corning 002
Water Tech Labs
Lab Sample ID:
Collection Date:
36378-02
6/22/2017 13:13
Parameter
Method
Result
Units
Rea Limit Analyst Analysis Date/Time
�
Copper, Total
EPA 200.8
0,025
mg1L
0.001
SK 612712017
Lead, Total
EPA 200.8
0.005
mg1L
0.001
SK 612712017
Zinc, Total
EPA 200.7
0.810
mg/L
0.01
SK 6127/2017
Client Sample ID:
Corning 003
Lab Sample ID: 36378-03
Site:
Water Tech Labs
Collection Date: 6/22/2017 13:10
Parameter
Method
Result Units
Rep Limit Analyst Analysis Daterl ime
Copper, Total
EPA 200.8
0,015 mg1L
0.001 SK 612712017
i
Lead, Total
EPA 200.8
0.002 mglL
0.001 SK 612712017 ;
Zinc, Total EPA 200.7 0,447 mglL 0.01 SK 612712017
Client Sample ID: Corning 005 Lab Sample ID: 36378-04
Site: Water Tech Labs Collection Date: 6/22/2017 13:15
Parameter Method Result Units Rep Limit Analyst Analysis DatelTime
Copper, Total EPA 200.8 0.015 mg1L 0.001 SK 612712017
A,O Box 473 106 Short Street Kernersvilla, North Carolina 272b4 Tel: [phone] Pax: 336-996.0326 www.randalabs.com Page I
t

KESEARCh & ANAL TiCA
Y
j
Report of Analysis
LA ORAT®RiES� INC.
�
6i29i2017
Client Sample
ID:
Lab Sample ID:
Site:
Collection Date:
13:15
Parameter
Method
Result Units Rep Limit Anal s
Analysis DateMme
Lead, Total
EPA 200.8
<0.001 mg1L 0.001 SK
6/27/2017
Zinc, Total
EPA 200.7
0.039 mglL 0.01 SK
612712017
NA = no) anal/zed
P.O."Box 473 106 5hori Street Kernersville, North Carolina 27284 Tel: [phone] Fax: [phone] wvvw.randalabs.com Page 2

WMA T1 ER). TEr.-i,'C'Hr- I L A
11ftle"al
BS,
5 Pinewood Plaza Drive - P.O. Box 1056
Granite Falls, NC 28630
Phone [phone] - Fax [phone]
CLIENT: Corning Cable Systems-TC Pit PHONE NUMBER: 828-327-5000
c/o Steve Street
P.O Box 489
Hickory, NC 28603-0489
TYPE SAMPLE: Stormwater
No. LOCATIONS: 4
SAMPLER NAME: S. -SifM "
Sample Collection
Information
TYPE
CONTAINERS
ANALYSIS REQUIRED
Sample Location
FacilityName
DATE
TIME
TEMP. o C
Grab/
Composite
No'
Plastid
Glass
Discharge 001
f
,
13,I S
Grab
3
Plastid
Glass
TSS, Oil & Gr., Lead, Copper, Zinc
Discharge 002
12117
s
/3,1'3
Grab
3
Plastic!
Glass
TSS, Oil & Gr., Lead, Copper, Zinc
Discharge 003
g
G]� i�
I
tiGrab
131)0
3
Pias#ic!TSS,
Glass
Oil & Gr., Lead, Co er, Zinc
pp
Discharge 005
Grab
3
Plastic!
Glass
TSS, Oil & Gr., Lead, Copper, Zinc
141
Re qulsXhed:
Date:
Time:
Re ' e
Date'
Time:
Y IMF
Relinquished By:
Date:
Time:
R ved By:
ate:
Time:
PRESER
j 40
SO4
jJ Na�
j.J->�tG03
j J Dechlornating Agent
j J Other
SAMPLE TEMP. @ LAB (°C)
Chlorine Residual mgil
NC CERTIFIED LAB # 50

AT*A'r
NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
Forguidance on filling out this form, please visit: http_//portal.ncdennorg/web /wq /ws/su/npdes5w# a -4
Permit No.: N/C/ 0/ 3/0/0/0/0/0/ or Certificate of Coverage No.: N/Q/G/_/_/_/_/_/_/
Facility Name: Hickory Manufacturing and Technology Center -Corning Optical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Steve Street
Date of Inspection: 6/2212017
Time of Inspection: 13:15
Total Event Precipitation (inches): 1.00"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
® Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature, I certify that this report is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
© 2017 Corning Incorporated. All Rights Reserved.
Pagel of 2
SWU-242, Last modified 10/25/2012

1. Outfall Description:
Outfall No. 001 Structure (pipe, ditch, etc.) Pipe
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: Reel storage, solid
waste containers designated for landfill, hazardous waste storage. and R&D building;
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Color was light brown.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
1 3 4 5
5. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
0 2 3 4 5
5. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
1 0 3 4 5
7. Is there any foam in the stormwater discharge? Yes No
8. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes Nc
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
© 2017 Corning incorporated. All Rights Reserved.
Page 2 of 2
5WU-242, Last modified 10/25/2012

AT
NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
For guidance on filling out this form, please visit: http://portaLnCdQnr.org/web/wqlws/su/npdQ55w#tab-4
Permit No.:/C/ 0/ 3/0/0/0/0/0/ or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and Technology Center - Corning Optical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Steve Street
Date of Inspection: 6/2212017
Time of Inspection: 13:13
Total Event Precipitation (inches): 1.00"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
® Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature, I certify that this report is accurate and complete to the best of my knowledge:
(Signature of Pewee or Designee)
© 2017 Corning Incorporated. All Rights Reserved.
Pagel of 2
5WU-242, Last modified 10/25/2012

1. Outfall Description:
Outfall No. 002 Structure (pipe, ditch, etc.) Pipe
Receiving Stream: Ciark's Creek
Describe the industrial activities that occur within the outfall drainage area: Solid waste containers
designated for landfill, metal recycling container, and chemical storage area (covered).
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Discharge was light brown.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odors were present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
1 P2 3 4 5
S. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
n 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
1 P 3 4 5
7. Is there any foam in the stormwater discharge? Yes No
8. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
© 2017 Corning Incorporated, All Rights Reserved.
Page 2 of 2
SWU-242, Last modified 10/2S/2012

A7LV3-�
. AWA
NC®ENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
For guidance on filling out this form, please visit: http://portal.ncdenr.org/web/wq./ws/�u/npdcssw#tab-4
Permit No.: N/C/ 0/ 3/0/0/0/0/0/ or Certificate of Coverage No.:
Facility Name: Hickory_ Manufacturing and Technology Center - Corning Optical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Steve Street
Date of Inspection: 612212_017
Time of Inspection: 13:10
Total Event Precipitation (inches): 1,00"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
® Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
......... ......... .. ....... ............. ......... ......... ......... ......... ........... ......... ......... ............. ...... .......... .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. ..
By this signature, I certify that this report is accurate and complete to the best of my knowledge:
(Signature of permittee or Designee)
© 2017 Corning Incorporated. All Rights Reserved,
Page 1 of 2
SWU-242, Last modified 10/25/2012

1. Outfall Description:
Clutfall No. 003 Structure (pipe, ditch, etc.) Pipe
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: Reel storage, machine
shop and warehouse.
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Discharge was light gray.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odors were present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
1 0 3 4 5
5. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
0 2 3 4 S
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
N1 2 3 4 5
7. Is there any foam in the stormwater discharge? Yes No
8. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
© 2017 Corning Incorporated. All Rights Reserved.
Page 2 of 2
5WU-242, Last modified 10/25/2012

ALA
FqC®ENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
For guidance on filling out this form, please visit: httg_//portal.ncdenr.org/web/wq /ws/su/nndessw#tab-4
Permit No.: N/C/ 0/ 3/Q/Q/0/0/0/ or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and Technology Center - Corning Optical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Steve Street
Date of Inspection: 612212017
Time of Inspection: 13:07
Total Event Precipitation (inches): 1.00"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
®Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature, I certify that this report is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
© 2017 Corning Incorporated, All Rights Reserved.
Page 1 of 2
SWU-212, Last modified 10/25/2012

1. Outfall Description:
Outfall No. 004 Structure (pipe, ditch, etc.) Pipe
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: No industrial activities,
only -a warehouse.
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Color was clear.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
O1 2 3 4 5
5. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
01 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
P 2 3 4 5
7. Is there any foam in the stormwater discharge? Yes No
8. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution. -None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
© 2017 Corning Incorporated. All Rights Reserved.
Page 2 of 2
SWU-242, Last modified 10/25/2012

NCDENR
Stormwater Discharge 4utfall (SDO)
Qualitative Monitoring Report
Forguidance on filling out this form, please visit: http: //nortal.ncdenr,org/web/wq/ws/�u lnpdessw#tab-4
Permit No.: N/C/ 0//0/0/0/0/0/ or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and Technology Center — Corning Optical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Rick Clark
Date of Inspection: 6122117
Time of Inspection: 13.15
Total Event Precipitation (inches): 1.00"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfalL The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature, I certify that this report is accurate and complete to the best of my knowledge:
1
(Signature of Permittee or Designee)
© 2017 Corning Incorporated. All Rights Reserved.
Page 1 of 2
SWU-242, Last modified 10/25/2012

1. Outfall Description:
Outfall No. 005 Structure (pipe, ditch, etc.) Pipe
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: Manufacture of fiber
optic cable and warehouse.
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Color was clear.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
P 2 3 4 5
S. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
Q1 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
11 2 3 4 5
7. Is there any foam in the stormwater discharge? Yes No
8. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
© 2017 Corning Incorporated. All Rights Reserved.
Page 2 of 2
SWU-242, Last modified 10/25/2012

CORNING
July 24th, 2017
Steve Street Hickory Manufacturing and t 828-901-6695
Sr. EHS Coordinator Technology Center f 828-901-5665
PO Box 489 steve.street(dcorning.com
Hickory, NC 28603 www.corning.com
North Carolina Department of Environmental Quality
Division of Energy, Mineral, and Land Resources
Attn: DWQ Central Files
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
Dear Sir/Madam:
Please find enclosed an original and one (1) copy of the Stormwater Discharge Monitoring
Report for Corning Optical Communications, LLC — Hickory Manufacturing and Technology
Center (HMTC) located in Hickory, Catawba County, North Carolina. The stormwater
samples were collected on 6/22/2017 for all permitted outfalls and represent the monthly
sample as specified in the Tier II requirements of HMTC's stormwater permit.
The results are mixed and reflect HMTC to be outside the benchmark value for the following
parameters:
Copper — Stormwater Outfal1 1, 2, 3, and 5
Zinc — Stormwater Outfall 1, 2, and 3
Additional attachments include the Laboratory Analytical Report, Chain -of -Custody, and
Qualitative Monitoring Report. Please contact me if you have any questions at 828-901-6695.
Sincerely,
MIN
Stephen L Street
Senior Environmental, Health and Safety Coordinator
attachments
© 2017 Corning Incorporated. All Rights Reserved.

Semi-annual Stormwater Discharge -Monitoring Report
for North Carolina Division of Water Quality General Permit No. NCG030000
Date submitted: 05/12/2017
CERTIFICATE OF COVERAGE NO. NCG030000 Az -&I . <'
FACILITY NAME: Hickory Manufacturing and Technology Center
COUNTY: Catawba
PERSON COLLECTING SAMPLES: Steve Street and Rick Clark
LABORATORY: Water Tech Labs Lab Cert. # 50
Comments on sample collection or analysis:
Part A: Stormwater Benchmarks and Monitoring Results
} /i SAMPLE COLLECTION YEAR: 2017 ,
7 SAMPLE PERIOD ❑ Jan -June ❑ July -Dec
or ® Monthly' — Apr
DISCHARGING TO CLASS ❑ORW ❑HQW [:]Trout❑PNA
RECEIVE-[) ❑Zero -flow ❑Water Supply ❑SA
mg 30M7
❑Other
CENTRAL
CTiONFILES PLEASE REMEMBER TO SIGN ON PAGES 2 AND/OR 3 4
ENVIR
❑ No discharge this period?2
r
Date Sample
24-hour rainfall .
pH,
Non -Polar O&G/
Total Toxic
Outfall No.
Collected'
amount,
Total Suspended Solids
Standard units
Copper
Lead
Zinc
Total Petroleum
Organicss
(mo/dd/yr)
Inches3
Hydrocarbons
Benchmarks =__>
-
-
100 mg/L or'50 mg/L°
6.0 — 9.0
0.007 mg/L
0.03 mg/L
0.067 mg/L
15 mg/L
1 mg/L
1
4/17/17
loll
22 mg/I
7.07
.020 mg/I
.003 mg/I
.326 mg/I
<5.6 mg/I
N/A
2
4/17/17
loll
74 mg/l
7.08
.035 mg/I
.004 mg/I
.786 mg/I
<5.6 mg/l
N/A
3
4/17/17
.101,
52 mg/l
7.07
.021 mg/I
.003 mg/I
.594 mg/I
<5.6 mg/l
N/A
5
4/17/17
loll
36 mg/l
7.12
.023 mg/l
.001 mg/I
.118 mg/I
<5.6 mg/I
N/A
1 Monthly sampling (instead of semi-annual) must begin with the second consecutive benchmark exceedance for the same parameter at the same outfall.
2 For sampling periods with no discharge at any single outfall, you must still submit this discharge monitoring report with a checkmark here.
3The total precipitation must be recorded using data from an on -site rain gauge. Unattended sites may be eligible for a waiver of the rain gauge requirement.
" See General Permit, Table 3 identifying the especially sensitive receiving water classifications where the more protective benchmark applies.
5 Total Toxic Organics sampling is applicable only for those facilities which perform metal finishing operations, manufacture semiconductors, manufacture
electronic crystals, or manufacture cathode ray tubes. For purposes of this permit the definition of Total Toxic Organics is that definition contained in the EPA
Effluent Guidelines for the facility subject to the requirement to sample (for metal finishing use the definition as found in 40 CFR 433.11; for semiconductor
manufacture use the definition as found in 40 CFR 469.12; for electronic crystal manufacture use the definition as found in 40 CFR 469.22; and for cathode ray
tube manufacture use the definition found in 40 CFR 469.31).
© 2017 Corning Incorporated. All Rights Reserved,
Permit Date: 11/1/2012-10/31/2017 SWU-24S, last revised 10/25/2012
Page 1 of 3

Facilities that incorporate a solvent management plan into the Stormwater Pollution Prevention Plan may so certify, and the requirement for TTO monitoring
may be waived. The solvent management plan shall include a list of the total toxic organic compounds used and the other elements listed in the General
Permit. For those facilities electing to employ the TTO monitoring waiver, the discharger shall sign the following certification statement:
"Based upon my inquiry of the person or persons directly responsible for managing compliance with the permit monitoring requirement for total toxic organics
(TTO), I certify that to the best of my knowledge and belief, no dumping of concentrated toxic organics into the Stormwater or areas which are exposed to rainfall or
Stormwater runoff has occurred since filing the last discharge monitoring report. I further certify that this facility is implementing the all the provisions of the
solvent management plan included in the Stormwater Pollution Prevention Plan_"
N/A _
Name (Print name)
N/A _
Title (Print title)
N/A
(Signature)
(Date)
Note: Results must be reported in numerical format. Do not report Below Detection Limit, BDL, <PQL, Non -detect, ND, or other similar non -numerical
format. When results are below the applicable limits, they must be reported in the format, "<XX mg/L", where XX is the numerical value of the detection
limit, reporting limit, etc. in mg/L.
Note: If you report a sample value in excess of the benchmark, you must implement Tier 1, Tier 2, or Tier 3 responses. See General Permit text.
Part B: Vehicle Maintenance Area Monitoring Results: only for facilities averaging > 55 gal of new oil per month.
❑ No discharge this period?z
Outfall No.
Date Sample
Collected'
(mo/dd/yr)
24-hour rainfall
amount,
Inches'
Non -polar O&G/TPH by
EPA 1664 (SGT-HEM)
Total Suspended Solids
pH
Benchmarks =__>
_
-
15 mg/L
100 mg/L or 50 mg/L"
6.0 — 9.0 SU
N/A
N/A
N/A
N/A
N/A
N/A
© 2017 Corning Incorporated, All Rights Reserved.
Permit Date: 11/1/2012-10/31/2017 SWU-245, last revised 10/2S/2012
Page 2 of 3

Footnotes from Part A also apply to this Part B
* See General Permit text, Table 5, identifying the especially sensitive receiving water classifications where the more protective benchmark applies.
Note: if you report a sample value in excess of the benchmark, you must implement Tier 1, Tier 2, or Tier 3 responses. See General Permit text.
FOR PART A AND PART B MONITORING RESULTS:
• A BENCHMARK EXCEEDANCE TRIGGERS TIER 1 REQUIREMENTS. SEE PERMIT PART II SECTION B.
• 2 EXCEEDANCES IN A ROW FOR THE SAME PARAMETER AT THE SAME OUTFALL TRIGGER TIER 2 REQUIREMENTS. SEE PERMIT PART II SECTION B.
• TIER 3: HAS YOUR FACILITY HAD 4 OR MORE BENCHMARK EXCEEDENCES FOR THE SAME PARAMETER AT ANY ONE OUTFALL? YES ® NO❑
IF YES, HAVE YOU CONTACTED THE DWQ REGIONAL OFFICE? YES ® NO ❑
REGIONAL OFFICE CONTACT NAME: Several discussions and correspondence held with Mr. Samar Bou-Ghazaie with the Mooresville regional office.
Mail an original and one copy, of this DMR, including all "No Discharge" reports, within 30 days of receipt of the lab results or at end of monitoring Perio,
in the case o "No Dischar e"reports) to:
Division of Water Quality
Attn: DWQ Central Files
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
YOU MUST SIGN THIS CERTIFICATION FOR ANY INFORMATION REPORTED:
"I certify, under penalty of law, that this document and all attachments were prepared under my direction or supervision in accordance with a system designed to
assure that qualified personnel properly gather and evaluate the information submitted. Based on my inquiry of the person or persons who manage the system, or
those persons directly responsible for gathering the information, the information submitted is, to the best of my knowledge and belief, true, accurate, and complete.
am aware that there are significant penalties for submitting false information, including the possibility of fines and imprisonment for knowing violations."
(Signature of Permittee)
(Date)
© 2017 Corning Incorporated. All Rights Reserved.
Permit Date: 11/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 3 of 3

Semi-annual Stormwater Discharge Monitoring Re ort
for North Carolina Division of Water Quality General Permit No. NCG030000
Date submitted: 05/12/2017
CERTIFICATE OF COVERAGE NO. NCG030000 SAMPLE COLLECTION YEAR: 2017
FACILITY NAME: Hickory Manufacturing and Technology Center SAMPLE PERIOD ❑ Jan -June ❑ July -Dec
COUNTY: Catawba or ® Monthlyl — Apr
PERSON COLLECTING SAMPLES: Steve Street and Rick Clark DISCHARGING TO CLASS ❑ORW ❑HQW []Trout ❑PNA
LABORATORY: Water Tech Labs Lab Cert. # 50 []zero -flow ❑ Water Supply ❑SA
Comments on sample collection or analysis: []other
Part A: Stormwater Benchmarks and Monitoring Results
PLEASE REMEMBER TO SIGN ON PAGES 2 AND/OR 3 -->
❑ No discharge this period?z
Date Sample
24rainfall
�
pH,
Non-Polar O&G/hour
Total Toxic
Outfall No.
Collected'
amount,
Total Suspended Solids
Standard units
Copper
Lead
Zinc
Total Petroleum
Organics5
(mo/dd/yr)
Inches3
Hydrocarbons
Benchmarks ===>
-
-
100 mg/L or 50 mg/L
6.0 — 9.0
0.007 mg/L
0.03 mg/L
0.067 mg/L
15 mg/L
1 mg/L
1
4/17/17
.loll
22 mg/I
7.07
.020 mg/I
.003 mg/1
.326 mg/I
<5.6 mg/I
N/A
2
4/17/17
.101,
74 mg/I
7.08
.035 mg/I
.004 mg/I
.786 mg/I
<5.6 mg/I
N/A
3
4/17/17
.101,
52 mg/I
7.07
.021 mg/I
.003 mg/I
.594 mg/I
<5.6 mg/I
N/A
5
4/17/17
loll
36 mg/I
7.12
.023 mg/I
.001 mg/I
118 mg/I
<5.6 mg/I
N/A
1 Monthly sampling (instead of semi-annual) must begin with the second consecutive benchmark exceedance for the same parameter at the same outfall.
2 For sampling periods with no discharge at any single outfall, you must still submit this discharge monitoring report with a checkmark here.
3The total precipitation must be recorded using data from an on -site rain gauge. Unattended sites may be eligible for a waiver of the rain gauge requirement.
4 See General Permit, Table 3 identifying the especially sensitive receiving water classifications where the more protective benchmark applies.
5 Total Toxic Organics sampling is applicable only for those facilities which perform metal finishing operations, manufacture semiconductors, manufacture
electronic crystals, or manufacture cathode ray tubes. For purposes of this permit the definition of Total Toxic Organics is that definition contained in the EPA
Effluent Guidelines for the facility subject to the requirement to sample (for metal finishing use the definition as found in 40 CFR 433.11; for semiconductor
manufacture use the definition as found in 40 CFR 469.12; for electronic crystal manufacture use the definition as found in 40 CFR 469.22; and for cathode ray
tube manufacture use the definition found in 40 CFR 469.31).
© 2017 Corning Incorporated, All Rights Reserved.
Permit Date: 11/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 1 of 3

Facilities that incorporate a solvent management plan into the Stormwater Pollution Prevention Plan may so certify, and the requirement for TTO monitoring
may be waived. The solvent management plan shall include a list of the total toxic organic compounds used and the other elements listed in the General
Permit. For those facilities electing to employ the TTO monitoring waiver, the discharger shall sign the following certification statement:
"Based upon my inquiry of the person or persons directly responsible for managing compliance with the permit monitoring requirement for total toxic organics
(TTO), I certify that to the best of my knowledge and belief, no dumping of concentrated toxic organics into the stormwater or areas which are exposed to rainfall or
stormwater runoff has occurred since filing the last discharge monitoring report. I further certify that this facility is implementing the all the provisions of the
solvent management plan included in the Stormwater Pollution Prevention Plan."
NZA _
Name (Print name)
Title (Print title)
N/A
(Signature)
(Date)
Note: Results must be reported in numerical format. Do not report Below Detection Limit, BDL, <PQL, Non -detect, ND, or other similar non -numerical
format. When results are below the applicable limits, they must be reported in the format "<XX mg/L", where XX is the numerical value of the detection
limit, reporting limit, etc. in mg/L.
Note: If you report a sample value in excess of the benchmark, you must implement Tier 1, Tier 2, or Tier 3 responses. See General Permit text.
Part B: Vehicle Maintenance Area Monitoring Results: only for facilities averaging > 55 gal of new oil per month.
❑ No discharge this period?
Outfall No.
Date Sample
Collected"
(mo/dd/yr)
24-hour rainfall
amount,
Inche53
Non -polar O&G/TPH by
EPA 1664 (5GT-HEM)
Total Suspended Solids
pH
Benchmarks ===>
-
-
15 mg/L
100 mg/L or 50 mg/L*
6.0 — 9.0 SU
N/A
N/A
N/A
N/A
N/A
N/A
© 2017 Corning Incorporated. All Rights Reserved.
Permit Date: 11/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 2 of 3

Footnotes from Part A also apply to this Part B
* See General Permit text, Table 5, identifying the especially sensitive receiving water classifications where the more protective benchmark applies.
Note: If you report a sample value in excess of the benchmark, you must implement Tier 1, Tier 2, or Tier 3 responses. See General Permit text.
FOR PART A AND PART B MONITORING RESULTS:
• A BENCHMARK EXCEEDANCE TRIGGERS TIER 1 REQUIREMENTS. SEE PERMIT PART II SECTION B.
• 2 EXCEEDANCES IN A ROW FOR THE SAME PARAMETER AT THE SAME OUTFALL TRIGGER TIER 2 REQUIREMENTS. SEE PERMIT PART II SECTION B.
+ TIER 3: HAS YOUR FACILITY HAD 4 OR MORE BENCHMARK EXCEEDENCES FOR THE SAME PARAMETER AT ANYONE OUTFALL? YES ®NO❑
IF YES, HAVE YOU CONTACTED THE DWQ REGIONAL OFFICE? YES ® NO ❑
REGIONAL OFFICE CONTACT NAME: Several discussions and correspondence held with Mr. Samar Bou-Ghazale with the Mooresville regional office.
Mail an original and one copy of this DMR, including all "No Discharge" reports, within 30 days of receipt of the lob results for at end of monitoring period
in the case of "No Discharge" reports) to:
Division of Water Quality
Attn: DWQ Central Files
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
YOU MUST SIGN THIS CERTIFICATION FOR ANY INFORMATION REPORTED:
"I certify, under penalty of law, that this document and all attachments were prepared under my direction or supervision in accordance with a system designed to
assure that qualified personnel properly gather and evaluate the information submitted. Based on my inquiry of the person or persons who manage the system, or
those persons directly responsible for gathering the information, the information submitted is, to the best of my knowledge and belief, true, accurate, and complete. I
am aware that there are significant penalties for submitting false information, including the possibility of fines and imprisonment for knowing violations."
(Signature of Permittee)
(Date)
© 2017 Corning Incorporated. All Rights Reserved.
Permit Date: 11/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 3 of 3

A a
"T-KnAwA
NC®ENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
For guidance on filling out this farm, please visit: hup: //portal. ncdenr.org/web/wq /ws/su/nodessw#tab-4
Permit No.: or Certificate of Coverage No.:
FacilityName: Hickory Manufacturing and Technology Center - Cgrni,ng Optical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Steve Street
Date of Inspection: 4/17/2017
Time of Inspection: 15:12
Total Event Precipitation (inches):.1"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
©Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "meosureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary, Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature, 1 certify that this report is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
© 2017 Corning Incorporated. All Rights Reserved.
Pagel of 2
SWU-242, Last modified 10/25/2012

1. Outfall Description:
Outfall No. 001 Structure (pipe, ditch, etc.) Pipe
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: Reel storage, solid
waste containers designated for landfill, hazardous waste storage, and R&D building
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Color was light gray.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
1 02 3 4 5
S. Floating Solids: Choose the number which best describes the amount of Floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with Floating solids:
0 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
1 Q 3 4 5
7. is there any foam in the stormwater discharge? Yes No
8. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe: Sample contained visible gravel dust from the adjacent rock quarry that caused
the water'sgray color.
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
© 2017 Corning Incorporated. All Rights Reserved.
Page 2 of 2
SWU-242, Last modified 10/25/2012

NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
Forguidance on filling out this form, please visit: http://portal,ncdenr.org/wgblwq/wslsu/npdessw#tab:4
Permit No.: N/C/ 0/ 3/0/0/fl/0/D/ or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and Technology Center_ Corning Optical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Steve Street
Date of Inspection: 4/17/2017
Time of inspection: 1502
Total Event Precipitation (inches):.10"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
® Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature, I certify that this report is accurate and complete to the best of my knowledge: if
QL/--
--
(Signature of Permittee or Designee)
b 2017 Corning Incorporated. All Rights Reserved,
Pagel of 2
SWU-242, Last modified 10/25/2012

1. Outfall Description:
Outfall No. 002 Structure (pipe, ditch, etc.) Pipe
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: Solid waste containers
designated for landfill, metal recycling container, and chemical storage area (covered).
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Discharge was light gray.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odors were present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
1 P2 3 4 5
5. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
1 02 3 4 5
&. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
1 2 0 4 5
7. Is there any foam in the stormwater discharge? Yes No
B. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe: Run-off contained gravel dust from the adjacent rock quarry causing the light
gray color. The sample also contained visible pollen.
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
© 2017 Corning incorporated. All Rights Reserved.
Page 2 of 2
SWU-242, Last modified 10/25/2012

A7L* �
NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
For guidance on filling out thisform, please visit: httn://portal.ncdenr.org./wgbfwa/wsjsu/npdessw#tab-4
Permit No.: or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and Technology enter - Corning Optical Communications
County: Catawba Phone No.: 828-901-669S
Inspector: Steve Street
Date of Inspection: 4117J2017
Time of Inspection: 15:09
Total Event Precipitation (inches):.10"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
©Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature, I certify that this report is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
© 2017 Corning Incorporated, All Rights Reserved.
Page 1 of 2
SWU-242, Last modified 10/25/2012

1. Outfall Description:
Outfall No. 003 Structure (pipe, ditch, etc.) Pipe
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: Reel storage, machine
shop, and warehouse.
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Discharge was light gray in color.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odors were present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
1 3 4 5
5. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
n 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
1 0 3 4 5
7. Is there any foam in the stormwater discharge? Yes No
8. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe: Sample contained visible gravel dust from the adjacent rock quarry which caused
the water's gray color. The sample also contained visible pollen.
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
O 2017 Corning Incorporated. All Rights Reserved.
Page 2 of 2
SWU-242, Last modified 10/25/2012

XFWAT*�Ar
WDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
For guidance on filling out this farm, please visit; http:/ZpQrtal.ncdetir.org/web/wq/wslWn.pdessw#lab-4
Permit No.: N/C/ 0/ 3/0/0/0/0/0/ or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing -and Technology Center -_Corning Optical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Steve Street
Date of Inspection: 4117/2017
Time of Inspection: 1L
Total Event Precipitation (inches):.10"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
© Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
........... -.................................... .... . ..... _ - ... . .......,.. .,..,..,.,.. - --- I -------
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event' is a storm event that results in an actual discharge from the
i
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
I........................._.......-.-- - - -- ----- -- ---- -------- --- ..__- -- --- -- - -_.-.. - -- --- -- -. --_ _ -- -- ------ -1
By this signature, I certify that this report is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
© 2017 Corning Incorporated. All Rights Reserved,
Page 1 of 2
SWU-242, Last modified 10/25/2012

1. Outfall Description:
Outfall No. 004 Structure (pipe, ditch, etc.) Pipe
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: No industrial activities,
only a warehouse.
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Color was light gray.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
1 02 3 4 5
5. Floating Solids: Choose the number which best describes the amount of Floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
n1 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
1 n2 3 4 5
7. is there any foam in the stormwater discharge? Yes No
8. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: how clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
© 2017 Corning Incorporated. All Rights Reserved.
Page 2 of 2
SWU-242, Last modified 10/25/2012

V*-K
NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
For guidance on filling out this form, please visit: http_//portal.ncdenr ore/web/wq /ws/su/nndessw#tab-4
Permit No.: N/C/ 0/ 3/0/0/0/0/0/ or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and Technology Center --Corning Optical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Rick Clark
Date of Inspection: 411711-7
Time of Inspection: 15:17
Total Event Precipitation (inches):.10"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature, I certify that this report is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
© 2017 Corning Incorporated. All Rights Reserved.
Page 1 of 2
SWU-242, Last modified 10/25/2012

1. Outfall Description:
Outfall No. 005 Structure (pipe, ditch, etc.) Pine
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area. Manufacture of fiber
optic cable and warehouse.
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Color was light brown.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
1 0 3 4 5
5. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
�1 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
1 R 3 4 5
7. Is there any foam in the stormwater discharge? Yes No
B. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe: Sample contained visible -pollen.
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
© 2017 Corning Incorporated. All Rights Reserved.
Page 2 of 2
SWU-242, Last modified 10/25/2012

IdRTEROECN musInc,
POST OFFICE BOX 1056 • #5 PINEWOOD PLAZA DR.
GRANITE FALLS, NORTH CAROLINA 28630
[phone]
SAMPLE: Corning Optical (001) COLLECTION DATE: 4/17/2017
PERMIT #.- COLLECTION TIME: 15:12
ADDRESS: Corning Optical RECEIVED DATE: 4/18/2017
P.O. Box 489 RECEIVED TIME: 08:02
Hickory, NC 28603-0489
REPORTED: 5/5/2017
ANALYSIS
ANALYSIS
RESULTS
UNITS
DATE ANALYST
Lead
0.003
mg/L
4/27/17
TSS
22.0
mg/L
4/19/17 jrg
Copper
0.020
mg/L
4/27/17
Zinc
0.326
mg/L
4125/17
Oil $ Grease
<5.6
mg/L
4121I17 jdg
LOG ID: 1704-244 REPORTED BY: NCCERTIFIEDLAB # 50
fpl� � o f
Tony Gragg, Lab Supervisor

Ld1umirEcH umps.Inc.
POST OFFICE BOx 1056 , ##5 PINEWOOD PLAZA DR.
GRANITE FALLS, NORTH CAROLINA 28630
[phone]
SAMPLE: Corning Optical (002) COLLECTION DATE:
4/17/2017
PERMIT #: COLLECTION TIME:
15:02
ADDRESS: Corning Optical RECEIVED DATE:
4/18/2017
P.O. Box 489
RECEIVED TIME:
08:02
Hickory, NC 28603-0489
REPORTED:
5/5/2017
ANAL YSI S
i
ANALYSIS
RESULTS
UNITS
DATE ANALYST
Lead
0.004
mg/L
4/27/17
TSS
74.0
mg/L
4I19117 irg
Copper
0.035
mg/L
4/27117
Zinc
0.786
mg/L
4/25/17
Oil & Grease
<5.6
mg/L
4/21/17 idg
LOG ID: 1704-245 REPORTED BY: NC CERTIFIED LAB # 50
fl�
'Pony Gragg, Lab Supervisor

idRrKR6 ffcH L#wzz.1nc.
POST OFFICE BOX 1056 • #5 PINEWOOD PLAZA DR.
GRANUE FALLS, NORTH CAROLINA 28630
[phone]
SAMPLE: Corning Optical (003) COLLECTION DATE: 4/17/2017
PERMIT #: COLLECTION TIME: 15:09
ADDRESS: Corning Optical RECEIVED DATE: 4/18/2017
P.O. Box 489 RECEIVED TIME: 08:02
Hickory, NC 28603-0489
REPORTED: 5/5/2017
ANALYSIS
ANALYSIS
RESULTS
UNITS
DATE ANALYST
Lead
0.003
mg1L
4/27117
TSS
52.0
mg/L
4/19/17 jrg
Copper
0.021
mg/L
4/27/17
Zinc
0-594
mg/L
4125117
Oil & Grease
<5.6
mg/L
4/21/17 jdg
LOG 1D: 1704-246 REPORTED BY: NCCERTIFIEDLAB # 50
fl� � u P
Tony Gragg, Lab Supervisor

WRTER6rECH LRBS.m..
POST OFFICE 80; 1056 • #5 PINEWOOD PLAZA DR.
GRANITE FALLS, NORTH CAROLINA 28630
[phone]
SAMPLE: Corning Optical (005) COLLECTION DATE:
4/17/2017
PERMIT #: COLLECTION TIME:
15:17
ADDRESS: Corning Optical RECEIVED DATE:
4/18/2017
P.O. Box 489 RECEIVED TIME:
08:02
Hickory, NC 28603-0489
REPORTED:
5/5/2017
,41V,4L PSIS
_ -- - - -- ----- - -----
ANALYSIS
RESULTS
UNITS
DATE ANALYST
Lead
0.001
mgtL
4/27117
TSS
36.0
mg/L
411907 jrg
Copper
0.023
mg/L
4/27117
Zinc
0.118
mg/L
4125117
Oil & Grease
<5.6
mg/L
4121117 jdg
LOG ID: 1704-247 REPORTED BY: NCCERTIFIEDLAB # 50
fl�� � P
Tony Gragg, Lab Supervisor

RESEARCh & ANA1yT1CA1
LABORATORIES? INC.
For: Water Tech Labs, Inc.
P.O. Box 1056
Granite Falls, NC 28630
Attn: Joe Gragg
Report of Analysis
5/3/201 7
AHALY���4
w C.
.o
_cc NC#34 y?.
NC 437702 4
s•
D Aria��;,•�.
;0rfilo%
Client Sample ID: Coming 001 Lab Sample ID: 33749-01
Site: Water Tech Labs Collection Date: 4/17/2017 15:12
Parameter Method Result Units Rep.Limit Analyst Analysis DaMrrime
Copper, Total EPA 200.8 0.020 mg/L 0.001 KL 4/27/2017
Lead, Total EPA 200.8 0.003 mg/L 0.001 KL 4/27/2017
Zinc, Total EPA 200.7 0.326 mg/L 0.01 KL 4/25/2017
Client Sample ID: Coming 002 Lab Sample ID: 33749-02
Site: Water Tech Labs Collection Date: 4/1712017 15:02
Parameter Method Result Units Rep Limit Anal s Analysis DateMme
Copper, Total EPA 200.8 0.035 mg/L 0.001 KL 4/27/2017
Lead, Total EPA 200.8 0.004 mg/L 0.001 KL 4/27/2017
Zinc, Total EPA 200.7 0.786 mg/L 0.01 KL 4/25/2017
Client Sample ID: Coming 003 Lab Sample ID: 33749-03
Site: Water Tech Labs Collection Date: 4/17/2017 15:09
Parameter Method Result Units Rep Limi Anai s Analysis DateMme
Copper, Total EPA 200.8 0.021 mg/L 0.001 KL 4/27/2017
Lead, Total EPA 200.8 0.003 mg/L 0.001 KL 4/2712017
Zinc, Total EPA 200.7 0.594 mg/L 0.01 KL 4/25/2017
Client Sample ID: Coming 005 Lab Sample ID: 33749-04
Site: Water Tech Labs Collection Date: 4/17/2017 15:17
Parameter Method Result Units Rep Llml Analys Analysis DateMme
Copper, Total EPA 200.8 0.023 mg/L 0.001 KL 4/2712017
P.O. Box 473 106 Short Street Kemersville, North Carolina 27284 Tel: [phone] Fax: [phone] www.randalabs.com Page 1
rat coa basic O d

RESEARCh & ANA1yTlCA1 Report of Analysis
LA ORATORiESF INC. 5i3/2O17
Client Sample ID: Lab Sample ID:
Site: Collection Date: 15:17
Parameter Molhod Resul Units Rep L.iml Analyst Analysis Date/Time
Lead, Total EPA 200.8 0.001 mg[L 0.001 KL 4/2712017
Zinc, Total EPA 200.7 0.118 mg/L 0.01 KL 4/25/2017
NA = not onotyzed
P.O. Box 473 106 Short Street Kemersville, North Carolina 27284 Tel: [phone] Fax: [phone] www,randatabs.com Page 2
ral coa_basic_Od

`� ��rff En R T Eu CH L A SS' c
9� 1
5 Pinewood Plaza Drive -- P.O. Box 1056
Granite Falls, NC 28630
Phone [phone] -- Fax [phone]
CLIENT: Corning Cable Systems-TC Pit PHONE NUMBER: 828-327-5000
c/o Steve Street
P.0 Box 489
Hickory, NC 28603-0489
TYPE SAMPLE: Stormwater
No. LOCATIONS: 4
SAMPLER NAME:
Sample Collection
Information
TYPE
CONTAINERS
ANALYSIS REQUIRED
Sample Location
Facilli Name
DATE
TIME
TEMP. °C
Grab/
Composite
No
Plastic/
Glass
Discharge 001
,�
�,
Grab
3
Plastic/
Glass
TSS, Oil & Gr„ Lead, Copper, Zinc
Discharge 002
NI-7
tit
Grab
3
Plastic/
Glass
TSS, Oil & Gr., Lead, Copper, Zinc
Discharge 003
rJ7
r
' �r pQ
Grab
3
Glass Plastic/
TSS, Oil & Gr., Lead, Copper, Zinc
Discharge 005
�7 �,�
7
Grab
3
Plastic/
Glass
TSS, Oil & Gr., Lead, Copper, Zinc
R quished
Date:
Time:
Recie y;
Date:
Time:
Relinquished By:
Date:
Time:
Received By:
Date:
Time:
P SERVATION:
oC
j J H2SO4
f 1 NaOH
HNO3
[] Dechlornating Agent
[I Other
SAMPLE TEMP. @ AB (°C) v
Chlorine Residua
NC CERTIFIED LAB # 50

CORNING
May 121", 2017
Steve Street Hickory Manufacturing and t 828-901-6695
Sr. ENS Coordinalor Technology Center f 828-901-5655
PO Box 489 [e-mail]
Hickory, NC 28603 www.corning.com
North Carolina Department of Environmental Quality
Division of Energy, Mineral, and Land Resources
Attn: DWQ Central Files
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
Dear Sir/Madam:
Please find enclosed an original and one (1) copy of the Stormwater Discharge Monitoring
Report for Corning Optical Communications, LLC — Hickory Manufacturing and Technology
Center (HMTC) located in Hickory, Catawba County, North Carolina. The stormwater
samples were collected on 4/17/2017 for all permitted outfalls and represent the monthly
sample as specified in the Tier It requirements of HMTC's stormwater permit.
The results are mixed and reflect HMTC to be outside the benchmark value for the following
parameters:
Copper — Stormwater Outfall 1, 2, 3, and 5
Zinc — Stormwater Outfall 1, 2, 3, and 5
Additional attachments include the Laboratory Analytical Report, Chain -of -Custody, and
Qualitative Monitoring Report. Please contact me if you have any questions at 828-901-6695.
Sincerely,
Stephen L Street
Senior Environmental, Health and Safety Coordinator
attachments
© 2017 Corning Incorporated. All Rights Reserved.

Semi-annual Stormwater Discharge Monitoring Report
for North Carolina Division of Water Quality General Permit No. NCG030000
Date submitted: 06/06/2017
CERTIFICATE OF COVERAGE NO. NCG030000 Y C( ti]�1Q SAMPLE COLLECTION YEAR: 2017
FACILITY NAME: Hickory Manufacturing and Technology Cente 6;� SAMPLE PERIOD ❑ Jan -June ❑ July -Dec
COUNTY: Catawba or ® Monthly' — May
PERSON COLLECTING SAMPLES: Steve Street and Rick Clark
LABORATORY: Water Tech Labs Lab Cert. # 50
Comments on sample collection or analysis:
Part A: Stormwater Benchmarks and Monitoring Results
JUN 16 2017
CENTRAL FILES
DwR 5ECT,:CN
DISCHARGING TO CLASS ❑ORW ❑HQW ❑Trout ❑PNA
[]zero -flow ❑Water Supply [:]SA
❑Other
PLEASE REMEMBER TO SIGN ON PAGES 2 AND/OR 3 4
❑ No discharge this period?Z
Date Sample
24-hour rainfall
pH,
Non -Polar O&G/Total
Toxic
Outfall No.
Collected'
amount,
Total Suspended Solids
Standard units
Copper
Lead
Zinc
Total Petroleum
Organicss
(mo/dd/yr)
Inches3
Hydrocarbons
Benchmarks
-
-
100 mg/L or 50 mg/L
6.0 — 9.0
0.007 mg/L
0.03 mg/L
0.067 mg/L
15 mg/L
1 mg/L
1
5/09/17
.091,
42 mg/I
7.00
.018 mg/I
.005 mg/I
.475 mg/I
<5.6 mg/I
N/A
2
5/09/17
.091,
46 mg/I
7.19
.023 mg/I
.005 mg/I
.805 mg/l
<5.6 mg/I
N/A
3
5/09/17
.091,
31 mg/I
7.04
.013 mg/I
.004 mg/I
.732 mg/I
<5.6 mg/I
N/A
5
5/09/17
.091,
19 mg/I
7.23
1 .007 mg/I
<.001 mg/I
.051 mg/I
<5.6 mg/I
N/A
' Monthly sampling (instead of semi-annual) must begin with the second consecutive benchmark exceedance for the same parameter at the same outfall.
2 For sampling periods with no discharge at any single outfall, you must still submit this discharge monitoring report with a checkmark here.
3The total precipitation must be recorded using data from an on -site rain gauge. Unattended sites may be eligible for a waiver of the rain gauge requirement.
4 See General Permit, Table 3 identifying the especially sensitive receiving water classifications where the more protective benchmark applies.
5 Total Toxic Organics sampling is applicable only for those facilities which perform metal finishing operations, manufacture semiconductors, manufacture
electronic crystals, or manufacture cathode ray tubes. For purposes of this permit the definition of Total Toxic Organics is that definition contained in the EPA
Effluent Guidelines for the facility subject to the requirement to sample (for metal finishing use the definition as found in 40 CFR 433.11; for semiconductor
manufacture use the definition as found in 40 CFR 469.12; for electronic crystal manufacture use the definition as found in 40 CFR 469.22; and for cathode ray
tube manufacture use the definition found in 40 CFR 469.31).
© 2017 Corning Incorporated. All Rights Reserved.
Permit Date: 11/l/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 1 of 3

Facilities that incorporate a solvent management plan into the Stormwater Pollution Prevention Plan may so certify, and the requirement for TTO monitoring
may be waived. The solvent management plan shall include a list of the total toxic organic compounds used and the other elements listed in the General
Permit. For those facilities electing to employ the TTO monitoring waiver, the discharger shall sign the following certification statement:
"Based upon my inquiry of the person or persons directly responsible for managing compliance with the permit monitoring requirement for total toxic organics
(TTO), I certify that to the best of my knowledge and belief, no dumping of concentrated toxic organics into the Stormwater or areas which are exposed to rainfall or
stormwater runoff has occurred since filing the last discharge monitoring report. I further certify that this facility is implementing the all the provisions of the
solvent management plan included in the Stormwater Pollution Prevention Plan."
N/A _
Name (Print name)
N/A
Title (Print title)
N/A
(Signature) (Date)
Note: Results must be reported in numerical format. Do not report Below Detection Limit, BDL, <PQL, Non -detect, ND, or other similar non -numerical
format. When results are below the applicable limits, they must be reported in the format, "<XX mg/L", where XX is the numerical value of the detection
limit, reporting limit, etc. in mg/L.
Note: if you report a sample value in excess of the benchmark, you must implement Tier 1, Tier Z or Tier 3 responses. See General Permit text.
Part B: Vehicle Maintenance Area Monitoring Results: only for facilities averaging > 55 gal of new oil per month.
❑ No discharge this period?'
Outfall No.
Date Sample
Collected'
(mo/dd/yr)
24-hour rainfall
amount,
Inches3
Non -polar O&G/TPH by
EPA 1664 (SGT-HEM)
Total Suspended Solids
pH
Benchmarks =__>
_
-
15 mg/L
100 mg/L or 50 mg/L*
6.0 — 9.0 SU
N/A
N/A
N/A
N/A
N/A
N/A
© 2017 Corning Incorporated. All Rights Reserved,
Permit Date: 11/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 2 of 3

Footnotes from Part A also apply to this Part B
* See General Permit text, Table 5, identifying the especially sensitive receiving water classifications where the more protective benchmark applies.
Note: If you report a sample value in excess of the benchmark, you must implement Tier 1, Tier 2, or Tier 3 responses. See General Permit text.
FOR PART A AND PART B MONITORING RESULTS:
+ A BENCHMARK EXCEEDANCE TRIGGERS TIER 1 REQUIREMENTS. SEE PERMIT PART II SECTION B.
• 2 EXCEEDANCES IN A ROW FOR THE SAME PARAMETER AT THE SAME OUTFALL TRIGGER TIER 2 REQUIREMENTS. SEE PERMIT PART II SECTION B.
• TIER 3: HAS YOUR FACILITY HAD 4 OR MORE BENCHMARK EXCEEDENCES FOR THE SAME PARAMETER AT ANY ONE OUTFALL? YES ® NO❑
IF YES, HAVE YOU CONTACTED THE DWQ REGIONAL OFFICE? YES ® NO ❑
REGIONAL OFFICE CONTACT NAME: Several discussions and correspondence held with Mr. Samar Bou-Ghazale with the Mooresville regional office.
Mail an original and one copy of this DMR, including all "No Discharge" reports, within 30 days of receipt of the lab results (or at end of monitoring period
in the case of "No Discharge" reports) to:
Division of Water Quality
Attn: DWQ Central Files
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
YOU MUST SIGN THIS CERTIFICATION FOR ANY INFORMATION REPORTED:
"I certify, under penalty of law, that this document and all attachments were prepared under my direction or supervision in accordance with a system designed to
assure that qualified personnel properly gather and evaluate the information submitted. Based on my inquiry of the person or persons who manage the system, or
those persons directly responsible for gathering the information, the information submitted is, to the best of my knowledge and belief, true, accurate, and complete.
am aware that there are significant penalties for submitting false information, including the possibility of fines and imprisonment for knowing violations."
{Signature of
(Date)
ul-7
© 2017 Corning Incorporated. All Rights Reserved.
Permit Date: 11/1/2012-10/31/2017 SWU-245, last revised 10/2S/2012
Page 3 of 3

A70wy�-A
WDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
For guidance on filling out this form, please visit. http_//portal.ncdenr.org/webjwq/wsJsujnpdessw#tab-4
Permit No.: N/C/ 0//Q/0/0/0/0/ or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and Technology Center — Corning Optical CoImunications
County: Catawba Phone No.: 828-901-669S
Inspector: Steve Street
Date of Inspection: 5/09/2017
Time of Inspection: 08:28
Total Event Precipitation (inches):.09"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
® Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
......... .....................
By this signature, I certify that this report is accurate and complete to the best of my knowledge:
(Signature of PeAmittee or Designee)
© 2017 Corning Incorporated. All Rights Reserved.
Page 1 of 2
SWU-242, Last modified 10/25/2012

1. Outfall Description:
Outfall No. 001 Structure (pipe, ditch, etc.) Pine
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: Reel storage, solid
waste containers designated for landfill, hazardous waste storage, and R&D building,
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Color was clear.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
�1 2 3 4 5
5. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
Q1 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
1 QZ 3 4 5
7. Is there any foam in the stormwater discharge? Yes No
8. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
© 2017 Corning Incorporated. All Rights Reserved.
Page 2 of 2
SWU-242, Last modified 10/25/2012

VLF4
NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
For guidance on filling out this form, please visit: httl2: //portal.ncdcnr.org/web/wq/ws/su/nj2dessw#tab-4
Permit No.: N// 0/ 3/Q/0/0/0/0/ or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and Technology Center _Corning Optical Communications
County: Catawba Phone No.: 828-901-6ti95
Inspector: Steve Street
Date of Inspection: 5/09/2017
Time of Inspection: 08:39
Total Event Precipitation (inches):.09"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
® Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature, I certify that this report is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
© 2017 Corning Incorporated. All Rights Reserved.
Page 1 of 2
SWU-242, Last modified 10/25/2012

1. Outfall Description:
Outfall No. 002 Structure (pipe, ditch, etc.) Pine
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: Solid waste containers
designated for landfill, metal recycling container, and chemical storage area (covered,
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Discharge was light gray.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odors were present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
1 P 3 4 5
5. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
0 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
1 0 3 4 5
7. Is there any foam in the stormwater discharge? Yes No
8. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe: Run-off contained gravel dust from the adjacent rock quarry causing the light
gray color.
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
© 2017 Corning Incorporated. All Rights Reserved.
Page 2 of 2
SWU-242, Last modified 10/25/2012

A
NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
For guidance on filling out this form, please visit; http_//oortal.ncdenr.ore/web/wq/ws/su/npdes,sw#tab-4
Permit No.: N/C/ 0/ 3/0/0/0/0/0/ or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and Technology Center --Corning Optical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Steve Street
Date of Inspection: 5/09/2017
Time of Inspection: 08:37
Total Event Precipitation (inches):.09"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature, I certify that this report is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
O 2017 Corning Incorporated. All Rights Reserved.
Page 1 of 2
SWU-242, Last modified 10/25/2012

1. Outfall Description:
Outfall No. 003 Structure (pipe, ditch, etc.) Pipe
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: Reel storage. machine
shop, and warehouse.
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Discharge was clear.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odors were present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
0 2 3 4 5
5. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
0 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
1 0 3 4 5
7. Is there any foam in the stormwater discharge? Yes No
8. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
© 2017 Corning Incorporated. All Rights Reserved.
Page 2 of 2
5WU-242, Last modified 10/25/2012

gTO
NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
Forguidance on filling out this form, please visit: htta://portal.ncdenr.orp-lweb/wq/ws/su/npdessw#tab:4
Permit No.: N/C/ 0/ 3/0/0/0/0/0/ or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and Technology Center - Corning Optical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Steve Street
Date of Inspection: 5/09/2017
Time of Inspection: 08:34
Total Event Precipitation (inches):.Q
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
® Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
._.. ..... ... ... ............... . ........ .. ... ... .. ... .. .. .. .. .. .. .. .. .. .. .. .. .. .. ... ......
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
I
A "measurable storm event" is a storm event that results in an actual discharge from the I
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature, I certify that this report is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
© 2017 Corning Incorporated. All Rights Reserved.
Page 1 of 2
SWU-242, Last modified 10/25/2012

1. Outfall Description:
Outfall No. 004 Structure (pipe, ditch, etc.) Pine
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: No industrial activities,
only a warehouse.
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Color was clear.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
W 2 3 4 5
5. floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
10 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
1E 2 3 4 5
7. Is there any foam in the stormwater discharge? Yes No
B. is there an oil sheen in the stormwater discharge? Yes Na
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
© 2017 Corning Incorporated. All Rights Reserved,
Page 2 of 2
SWU-242, Last modified 10/25/2012

NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
For guidance on filling out this form, please visit: http_//portal.ncdenr.orglweblwq/ws/su/-npdessw#tab-4
Permit No.: N/C/ 0/ 3/0/0/0/0/0/ or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and Technology Center — Corning Optical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Rick Clark
Date of Inspection: 5/09/17
Time of Inspection: 08:38
Total Event Precipitation (inches):.09"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
® Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature, I certify that this report is accurate and complete to the best of my knowledge:
(Signature of Perni ttee or Designee)
© 2017 Corning Incorporated. All Rights Reserved.
Page 1 of 2
SWU-242, Last modified 10/25/2012

1. Outfall Description:
Outfall No. 005 Structure (pipe, ditch, etc.) Pipe
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: Manufacture of fiber
optiCcable and warehouse.
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Color was clear.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
0 2 3 4 5
5. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
10 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
01 2 3 4 5
7. Is there any foam in the stormwater discharge? Yes No
8. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
© 2017 Corning Incorporated. All Rights Reserved.
Page 2 of 2
SWU-242, East modified 10/25/2012

1d rff R4TECH
POST OFFICE BOX 1056 • #5 PINEWOOD PLAZA DR.
GRANITE FALLS, NORTH CAROLINA 28630
[phone]
SAMPLE: Corning Optical (001) COLLECTION DATE:
5/9/2017
PERMIT #: COLLECTION TIME:
08:28
ADDRESS: Corning Optical RECEIVED DATE:
5/9/2017
P.O. Box 489
RECEIVED TIME:
12:10
Hickory, NC 28603-0489
REPORTED:
5/25/2017
ANALYSIS
I
ANALYSIS
RESULTS
UNITS
DATE ANALYST
Lead
0.005
mg/L
5/18117
TSS
42.0
mg/L
5/10117 jrg
Copper
0.018
mg/L
5118/17
Zinc
0.475
mg/L
5/16117
Oil & Grease
<5.6
mg/L
5/12/17 jdg
{
LOG ID: 1705-132 REPORTED BY: NCCERTIFIEDLAB # 50
fl� �' �
Tony Gragg, Lab Supervisor

W T TERiTI'CH LRRR.Inc.
POST OFFICE 130; 1056 • #5 PINEWOOD PLAZA DR.
GRANITE FALLS, NORTH CAROLINA 28630
[phone]
SAMPLE: Corning Optical (002) COLLECTION DATE: 519I2017
PERMIT #: COLLECTION TIME. 08:39
ADDRESS: Corning Optical RECEIVED DATE: 519/2017
P.O. Box 489 RECEIVED TIME: 12:10
Hickory, NC 28603-0489
REPORTED: 5/25/2017
ANALYSIS
ANALYSIS
RESULTS
UNITS
DATE ANALYST
Lead
0.005
mg/L
5/18/17
TSS
46.0
mg/L
5/10/17 jrg
Copper
0.023
mg/L
5118/17
Zinc
0.805
mg/L
5/16/17
Oil & Grease
<5.6
mg/L
5/12/17 jdg
Ell
LOG 1D: 1705-133 REPORTED BY: NC CERTIFIED LAB # 50
flll�
"Pony Gragg, Lab Supervisor

IdRTERiTECH LRR:.m..
POST OFFICE BOX 1056 • #5 PINEWOOD PLAZA DR.
GRANITE FALLS, NORTH CAROLINA 28630
[phone]
SAMPLE: Corning Optical (003) COLLECTION DATE:
5/9/2017
PERMIT #: COLLECTION TIME:
08:37
ADDRESS: Corning Optical RECEIVED DATE:
5/9/2017
P.O. Box 489
RECEIVED TIME:
12:10
Hickory, NC 28603-0489
REPORTED:
5/25/2017
ANALYSIS
ANALYSIS
RESULTS
UNITS
DATE ANALYST
Lead
0.004
mg/L
5118/17
TSS
31.0
mg/L
5/10117 irg
Copper
0.013
mg/L
5/18117
Zinc
0.732
mg/L
5/16/17
Oil 8 Grease
<5.6
mg/L
5112/17 jdg
LOG ID: 1705-134 REPORTED BY: NC CERTIFIED LAB # 50
fol�
Tony Gragg, Lab Supervisor

upwrE iTECH LRE.S.Inc.
POST OFFICE BOX 1056 • #5 PINEWOOD PLAZA DR,
GRANITE FALLS, NORTH CAROLINA 28630
[phone]
SAMPLE: Corning Optical (005) COLLECTION DATE: 5I912017
PERMIT #: COLLECTION TIME: 08:38
ADDRESS: Corning Optical RECEIVED DATE: 5/9/2017
P.O. Box 489 RECEIVED TIME: 12:10
Hickory, NC 28603-0489
REPORTED: 5/25/2017
ANALYSIS
ANALYSIS
RESULTS
UNITS
DATE ANALYST
Lead
<0.001
mg/L
5118/17
TSS
19.0
mg/L
5110/17 jrg
Copper
0.007
mg/L
5/18/17
Zinc
0.051
mg/L
5/16117
Oil 8 Grease
<5.6
mg1L
5/12/17 jdg
LOG ID: 1705-135 REPORTED BY: NC CERTIFIED LAB # 50
fl�
Tony Gragg, Lab Supervisor

RESEARCh & ANA[yTiCA(
LAWRATORlESj INC.
For: Water Tech Labs, Inc.
P.O. Box 1056
Granite Falis, NG 28630
Attn: Joe Gragg
Report of Analysis
5/23/2017
o2ce NC #34 �#
NC t137701
.,C,A Q, r j
Client Sample ID: Coming 001 Lab Sample ID: 34622-01
Site: Water Tech Labs Collection Date: 5/9/2017 8:28
Parameter Method Result nits Rep Llmi Ana! s Analysis DatelTime
Copper, Total EPA 200.8 0.018 mg/L 0.001 SK 5/18/2017
Lead, Total EPA 200.8 0.005 mg/L 0.001 SK 5/18/2017
Zinc, Total EPA 200.7 0.475 mg/L 0.01 KL 511612017
Client Sample ID: Coming 002 Lab Sample ID: 34622-02
Site: Water Tech Labs Collection Date: 5/9/2017 8:39
Paramete Method Result Units Rep Limit Anal s Analysis Date l Ime
Copper, Total EPA 200.8 0,023 mg/L 0.001 SK 5118/2017
Lead, Total EPA 200.8 0.005 mg/L 0.001 SK 5/18/2017
Zinc, Total EPA 200.7 0.805 mg/L 0.01 KL 5/16/2017
Client Sample ID: Coming 003 Lab Sample ID: 34622-03
Site: Water Tech Labs Collection Date: 5/9/2017 8:37
Paramete Method Resul Units Rep Limit Anal s Analvlis Datel lme
Copper, Total EPA 200.8 0.013 mg/L 0.001 SK 5/18/2017
Lead, Total EPA 200.8 0.004 mglL 0.001 SK 5/18/2017
Zinc, Total EPA 200.7 0.732 mg/L 0.01 KL 5/1612017
Client Sample ID: Coming 005 Lab Sample ID: 34622-04
Site: Water Tech Labs Collection Date: 5/9/2017 8:38
Parameter Method Resul Units Rp LimiAnalys Analysis Date1T me
Copper, Total EPA 200.8 0.007 mg1L 0.001 SK 5/18/2017
P.O. Box 473 106 Short Street Kemersville, North Carollna 27284 Tel: [phone] Fax: [phone] www.randalabs.com Page 1
rat coa_basiC_vtd

RESEARCh & ANA1yTICA1
UboRATORIES, INC.
Report of Analysis
5/23/2017'
Client Sample ID: Lab Sample ID:
Site: Collection Date: 8:38
Paramete Method Result Units Rep Llml Analyst Analysis Daterrime
Lead, Total EPA 200.8 <0.001 mg/L 0.001 SK 5/18/2017
Zinc, Total EPA 200.7 0.051 mglL 0.01 KL 5/1612017
NA = not anoWed
P.O. Box 473 106 Short Street Kemersville, North Carolina 27284 Tel: [phone] Fax [phone] www.randalabs.com Page 2
ral coa basic Od

- 1 CH � LL - A � B--
Er Rx T
- T Enj r
�Srjl ifae. .'
s,
5 Pinewood Plaza Drive -- P. 0. Box 1056
Granite Falls, NC 28630
Phone [phone] -, Fax [phone]
CLIENT: Corning Cable Systems-TC Pit PHONE NUMBER: 828-327-5000
c/o Steve Street
P.O Box 489
Hickory, NC 28603-0489
TYPE SAMPLE: Stormwater
No. LOCATIONS: 4
SAMPLER NAME:,5 s�/ee�- 4-lec10-k
Sam le Collection
Information
TYPE
CONTAINERS
ANALYSIS REQUIRED
Sample Location
FacilityName
DATE
TIME
TEMP. °C
Grab/
Composite
No
Plastic/
Glass
Discharge 001
Grab
3
Plastic/
Glass
TSS, Oil & Gr., Lead, Copper, Zinc
002 Discharge
g
'��Jf 7
3 9
Grab
3
Plastic/
Glass
TSS, Oil & Gr., Lead, Copper, Zinc
PP
Discharge 003
F 7
7, 3-7
Grab
3
Plastic/
Glass
TSS, Oil & Gr., Lead, Copper, Zinc
Discharge 005
1�/J-74
$,
Grab
3
Glass
TSS, Oil & Gr., Lead, Copper, Zinc
Relinquished By:
Date:
1�/ 7.2,
Time:
'/v
Recieved By;
Date:
5 -'a, - t 7
Time:
, b t u
Reli quished By:
Date:
Time:
Recei By:
Date:
Time:
PRESERVATION:
[V,- ool 4°C
142-SO4
[ ^0[ No3s
[] Dechlornating Agent
[] Other
SAMPLE TEMP. @ LAB (°C)
Chlorine Residual mgll
NC CERTIFIED LAB # 50

Semi-annual Stormwater Discharge Monitoring Report
for North Carolina Division of Water Quality General Permit No. NCG030000
3.0 a ��6 Date submitted: 05/05/2017
CERTIFICATE OF COVERAGE NO. N00030000
FACILITY NAME: Hickory Manufacturing and Technology Center
COUNTY: Catawba
PERSON COLLECTING SAMPLES: Rick Clark
LABORATORY: Water Tech Labs Lab Cert. # 50
Comments on sample collection or analysis:
Part A: Stormwater Benchmarks and Monitoring Results
GE N FED
MAY 11 211,
CENTR LES
It?N
DWR C-
SAMPLE COLLECTION YEAR: 2017
SAMPLE PERIOD ❑ Jan -June ❑ July -Dec
or ® Monthly'— Mar
DISCHARGING TO CLASS ❑ORW ❑HQW ❑Trout ❑PNA
❑Zero -flow ❑Water Supply [:]SA
❑Other
PLEASE REMEMBER TO SIGN ON PAGES 2 AND/OR 3 4
❑ No discharge this period?'
Date Sample
24-hour rainfall
pH,
Non -Polar O&G/
Total Toxic
Outfall No.
1
Collected
amount,
Total Suspended Solids
Standard units
Copper
Lead
Zinc
Total Petroleum
s
Organics
(mo/dd/yr)
Inches3
Hydrocarbons
Benchmarks =__>
_
-
100 mg/L or 50 mg/L
6.0 — 9.0
0.007 mg/L
0.03 mg/L
0.067 mg/L
15 mg/L
1 mg/L
1
3/17/17
.501,
89 mg/I
6.96
.021 mg/l
.010 mg/I
.660 mg/I
<5.6 mg/I
N/A
2
3/17/17
.501,
84 mg/l
7.43
.026 mg/I
.008 mg/I
.896 mg/I
6.8 mg/I
N/A
3
3/17/17
.501,
85 mg/I
7.23
.018 mg/I
.011 mg/I
1.09 mg/I
<5.6 mg/1
N/A
5
3/17/17
.50"
62 mg/I
6.85
.008 mg/1
.002 mg/I
.126 mg/I
<5.6 mg/I
N/A
1 Monthly sampling (instead of semi-annual) must begin with the second consecutive benchmark exceedance for the same parameter at the same outfali.
2 For sampling periods with no discharge at any single outfali, you must still submit this discharge monitoring report with a checkmark here.
3The total precipitation must be recorded using data from an on -site rain gauge. Unattended sites may be eligible for a waiver of the rain gauge requirement.
' See General Permit, Table 3 identifying the especially sensitive receiving water classifications where the more protective benchmark applies.
5 Total Toxic Organics sampling is applicable only for those facilities which perform metal finishing operations, manufacture semiconductors, manufacture
electronic crystals, or manufacture cathode ray tubes. For purposes of this permit the definition of Total Toxic Organics is that definition contained in the EPA
Effluent Guidelines for the facility subject to the requirement to sample (for metal finishing use the definition as found in 40 CFR 433.11; for semiconductor
manufacture use the definition as found in 40 CFR 469.12; for electronic crystal manufacture use the definition as found in 40 CFR 469.22; and for cathode ray
tube manufacture use the definition found in 40 CFR 469.31).
O 2017 Corning Incorporated. All Rights Reserved.
Permit Date: 11/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 1 of 3

Facilities that incorporate a solvent management plan into the Stormwater Pollution Prevention Plan may so certify, and the requirement for TTO monitoring
may be waived. The solvent management plan shall include a list of the total toxic organic compounds used and the other elements listed in the General
Permit. For those facilities electing to employ the TTO monitoring waiver, the discharger shall sign the following certification statement:
"Based upon my inquiry of the person or persons directly responsible for managing compliance with the permit monitoring requirement for total toxic organics
(TTO), I certify that to the best of my knowledge and belief, no dumping of concentrated toxic organics into the stormwater or areas which are exposed to rainfall or
stormwater runoff has occurred since filing the last discharge monitoring report. I further certify that this facility is implementing the all the provisions of the
solvent management plan included in the Stormwater Pollution Prevention Plan."
N/A
Name (Print name)
N/A
Title (Print title)
N/A
(Signature)
(Date)
Note: Results must be reported in numerical format. Do not report Below Detection Limit, BDL, <PQL, Non -detect, ND, or other similar non -numerical
format. When results are below the applicable limits, theV must be reported in the format, "<XX m L" where XX is the numerical value of the detection
limit, reporting limit, etc. in mg/L.
Note: If you report a sample value in excess of the benchmark, you must implement Tier 1, Tier 2, or Tier 3 responses. See General Permit text.
Part 8: Vehicle Maintenance Area Monitoring Results: only for facilities averaging > 55 gal of new oil per month.
❑ No discharge this perivd?z
Outfall No.
Date Sample
Collected'
(mo/dd/yr)
24-hour rainfall
amount,
Inches3
Non -polar O&G/TPH by
EPA 1664 (SGT-HEM)
Total Suspended Solids
pH
Benchmarks =__>
_
-
15 mg/L
100 mg/L or 50 mg/L*
6.0 — 9.0 SU
N/A
N/A
N/A
N/A
N/A
N/A
© 2017 Corning Incorporated. All Rights Reserved.
Permit Date: 11/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 2 of 3

Footnotes from Part A also apply to this Part B
* See General Permit text, Table 5, identifying the especially sensitive receiving water classifications where the more protective benchmark applies.
Note: if you report a sample value in excess of the benchmark, you must implement Tier 1, Tier 2, or Tier 3 responses. See General Permit text.
FOR PART A AND PART B MONITORING RESULTS:
• A BENCHMARK EXCEEDANCE TRIGGERS TIER 1 REQUIREMENTS. SEE PERMIT PART II SECTION B.
• 2 EXCEEDANCES IN A ROW FOR THE SAME PARAMETER AT THE SAME OUTFALL TRIGGER TIER 2 REQUIREMENTS. SEE PERMIT PART II SECTION B.
• TIER 3: HAS YOUR FACILITY HAD 4 OR MORE BENCHMARK EXCEEDENCES FOR THE SAME PARAMETER AT ANY ONE OUTFALL? YES ® NO❑
IF YES, HAVE YOU CONTACTED THE DWQ REGIONAL OFFICE? YES ® NO ❑
REGIONAL OFFICE CONTACT NAME: Several discussions and correspondence held with Mr. Samar Bou-Ghazale with the Mooresville regional office.
Mail an original and one copy of this DMR, including all "No Discharge_" reports, within 30 days of receipt of the lab results for at end of monitoring period
in the case of "No Discharge" reports) to:
Division of Water Quality
Attn: DWQ Central Files
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
YOU MUST SIGN THIS CERTIFICATION FOR ANY INFORMATION REPORTED:
"i certify, under penalty of law, that this document and all attachments were prepared under my direction or supervision in accordance with a system designed to
assure that qualified personnel properly gather and evaluate the information submitted. Based on my inquiry of the person or persons who manage the system, or
those persons directly responsible for gathering the information, the information submitted is, to the best of my knowledge and belief, true, accurate, and complete. I
am aware that there are significant penalties for submitting false information, including the possibility of fines and imprisonment for knowing violations."
(Signature of Permittee)
(Date)
© 2017 Corning Incorporated. All Rights Reserved.
Permit Date: 11/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 3 of 3

CORNING
May 5", 2017
Steve Street Hickory Manufacturing and t 828-901-6695
Sr. EHS Coordinator Technology Center f 828-901-5665
PO Box 489 steve [e-mail]
Hickory, NC 28603 www.corning.com
North Carolina Department of Environmental Quality
Division of Energy, Mineral, and Land Resources
Attn: DWQ Central Files
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
Dear Sir/Madam:
Please find enclosed an original and one (1) copy of the Stormwater Discharge Monitoring
Report for Corning Optical Communications, LLC — Hickory Manufacturing and Technology
Center (HMTC) located in Hickory, Catawba County, North Carolina. The stormwater
samples were collected on 3/17/2017 for all permitted outfalls and represent the monthly
sample as specified in the Tier 11 requirements o1'HMTC's stormwater permit.
The results are mixed and reflect HMTC to be outside the benchmark value for the following
parameters:
Copper — Stormwater Outfal1 1, 2, 3, and 5
Zinc — Stormwater Outfall 1, 2, 3, and 5
Additional attachments include the Laboratory Analytical Report, Chain -of -Custody, and
Qualitative Monitoring Report. Please contact me if you have any questions at 828-901-6695.
Sincerely,
Stephen L Street
Senior Environmental, Health and Safety Coordinator
attachments
@ 2017 Corning Incorporated. All Rights Reserved.

4�
NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
For guidance on filling out this form, please visit: http_//portal.ncdenr.org/web/wq/ws/sulnpdessw#tab-4
Permit No.: N/C/ 0/ 3/0/0/0/Q/0/ or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and Technology Center -Corning Optical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Rick Clark
Date of Inspection: 3/1712017
Time of inspection: 18:42
Total Event Precipitation (inches):.5"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
®Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature, 1 certify that this report is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
O 2017 Corning Incorporated. All Rights Reserved.
Page 1 of 2
SWU-242, Last modified 10/25/2012

1. Outfall Description:
Outfall No. 001 Structure (pipe, ditch, etc.) Pipe
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: Reel storage, solid
waste containers designated for landfill —hazardous waste storage, and R&D building_
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Color was light gray.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
1 3 4 5
5. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids.
Q 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
1 0 3 4 5
7. Is there any foam in the stormwater discharge? Yes No
8. is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe: Sample contained visible -gravel dust from the adjacent rock quarry that caused
the water's gray color.
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
© 2017 Corning Incorporated. All Rights Reserved.
Page 2 of 2
5WU-242, Last modified 10/25/2012

Alfflv�_�
AAA
NCIDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
For guidance on filling out this form, please visit: http://portal.ncdenr,org/web/wa/ws/suInpdessw#tab-4
Permit No.: N/C/ 0/ 3/a/4/Q/0/0/ or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and Technology Center -Corning Optical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Rick Clark
Date of Inspection: 3/1712017
Time of Inspection: 18:55
Total Event Precipitation (inches):.50"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
®Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event' is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event' is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature, I certify that this report is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
© 2017 Corning Incorporated. All Rights Reserved.
Pagel of 2
SWU-242, Last modified 10/25/2012

1. Outfall Description:
Outfall No. 002 Structure (pipe, ditch, etc.) Pine
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: Solid waste containers
designated for landfill, metal recycling container, and chemical storage area (covered,
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Discharge was light gray.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odors were present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
1 P 3 4 5
5. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
1 R 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
1 5 3 4 5
7. Is there any foam in the stormwater discharge? Yes No
B. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe: Run-off contained gravel dust from the adjacent rock quarry causing the light
gray color.
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
02017 Corning Incorporated. All Rights Reserved.
Page 2 of 2
SWU-242, Last modified 10/25/2012

NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
For guidance on filling out this form, please visit: htt rtal.ncden . r w w w u n d ssw#ta -4
Permit No.: N/C/ 0/ 3/0/0/0/0/0/ or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and Technology Center - Corning Optical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Rick Clark
Date of Inspection: 3/17/2017
Time of Inspection: 18: 4
Total Event Precipitation (inches): ,50"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
© Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature, I certify that this report is accurate and complete to the best of my knowledge:
(Signature of�mittee or Designee)
© 2017 Corning Incorporated. All Rights Reserved,
Page 1 of 2
SW0-242, Last modified 10/25/2012

1. Outfall Description:
Outfall No. 003 Structure (pipe, ditch, etc.) Pipe
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: Reel storage, machine
shop, and warehouse.
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Disch r e was light gray in color.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odors were present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
1 02 3 4 5
5. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
P 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
1 P2 3 4 5
7. Is there any foam in the stormwater discharge? Yes No
8. Is there an oil sheen in the stormwater discharge? Yes No
9. is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe: Sample contained visible gravel dust from the adjacent rock quart' which caused
the water's gray color.
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
O 2017 Corning Incorporated. All Rights Reserved.
Page 2 of 2
SWU-242, Last modified 10/25/2012

NC®ENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
Forguidance on filling out this form, please visit: httl2://portal.ncdenr.org/web/wQ/ws/su/npdessw#tab-4
Permit No.: N/C/ 0/ 3/0/0/0/0/Q/ or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and Technoloev Center - Corning Optical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Rick Clark
Date of Inspection: 3/17/2017
Time of Inspection: 18:58
Total Event Precipitation (inches):.50"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
®Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature, I certify that this report is accurate and complete to the best of my knowledge:
-01
(Signature of Permittee or Designee)
© 2017 Corning Incorporated. All Rights Reserved.
Page 1 of 2
SWU-242, Last modified 10/25/2012

1. Outfall Description:
Outfall No. 004 Structure (pipe, ditch, etc.) Pipe
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: No industrial activities,
only a warehouse.
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Color was light gray.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
1 0 3 4 5
5. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
W1 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
1 Q 3 4 5
7. Is there any foam in the stormwater discharge? Yes No
8. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe: Gravel dust from the adjacent rock quarry was the cause of the water's gray
appearance.
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
© 2017 Corning Incorporated. All Rights Reserved.
Page 2 of 2
SWU-242, Last modified 10/25/2012

NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
For guidance on filling out this form, please visit: htt : rta I.ncd enr. rg /web Jwqws Isu I n de w#t -4
Permit No.: N/C/ 0/ 3/0/0/a/0/0/ or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and Technology Center - Corning Optical•Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Rick Clark
Date of Inspection: 3117117
Time of Inspection: 18:28
Total Event Precipitation (inches): SO"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
®Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature, I certify that this report is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
0 2017 Corning Incorporated. All Rights Reserved.
Page 1 of 2
SWU-242, Last modified 10/25/2012

1. Outfall Description:
Outfall No. 005 Structure (pipe, ditch, etc.) Pipe
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: Manufacture of fiber
optic cable and warehouse.
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Color -was light brown.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
1 Q 3 4 5
5. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
Q 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
1 P2 3 4 5
7. Is there any foam in the stormwater discharge? Yes No
8. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
© 2017 Corning Incorporated. All Rights Reserved.
Page 2 of 2
SWU-242, Last modified 10/25/2012

WEiTER4TE'CH LRAMS-mc.
POST OFFICE BOX 1056 • #5 PINEWOOD PLAZA DR.
GRANITE FALLS. NORTH CAROLINA 28630
[phone]
SAMPLE: Corning Optical (001) COLLECTION DATE: 3/17/2017
PERMIT #: COLLECTION TIME: 18:42
ADDRESS: Corning Optical RECEIVED DATE: 3/20/2017
P.O. Box 489 RECEIVED TIME: 14:47
Hickory, NC 28603-0489
REPORTED: 4/18/2017
ANALYSIS
ANALYSIS
RESULTS
UNITS
DATE ANALYST
Lead
0.010
mglL
4l6117
TSS
89.0
mg/L
3121117 jrg
Copper
0.021
mglL
4/6117
Zinc
0.660
mg/L
3/27117
Oil & Grease
<5.6
mg/L
3/24117 jdg
LOG ID: 1703-304
REPORTED BY: NCCERTIFII-D LAB # 50
ft� r6' "
Tony Gragg, Lab Supervisor

WHTEROKCH L185.f
c.
POST OFFICE BOX 1056 • #5 PINEWOOD PLAZA DR.
GRANITE FALLS. NORTH CAROLINA 28630
[phone]
SAMPLE: Corning Optical (002) COLLECTION DATE:
3/17/2017
PERMIT #: COLLECTION TIME:
18:55
ADDRESS: Corning Optical RECEIVED DATE.
3/20/2017
P.O. Box 489
RECEIVED TIME:
14:47
Hickory, NC 28603-0489
REPORTED:
4/ 18/2017
ANALYSIS
ANALYSIS
RESULTS
UNITS
DATE ANALYST
Lead
0.008
mg1L
3/30117
TSS
84.0
mg1L
3/21/17 irg
Copper
0.026
mg/L
3/30/17
Zinc
0.896
mg1L
3127117
Oil 8 Grease
6.8
mg1L
3/24117 jdg
i
LOG ID: 1703-305 REPORTED BY: NC CERTIFIED LAB 0 50
ffl�
Tony Grabg, Lab Supervisor

I ivrERiTECH LEiB.S.hc.
POST OFFICE BO; 1056 • #5 PINEWOOD PLAZA DR.
GRANITE FALLS, NORTH CAROLINA 28630
[phone]
SAMPLE: Corning Optical (003) COLLECTION DATE: 3/17/2017
PERMIT #: COLLECTION TIME: 18:54
ADDRESS: Corning Optical RECEIVED DATE. 3/20/2017
P.O. Box 489 RECEIVED TIME. 14:47
Hickory, NC 28603-0489
REPORTED: 4/18/2017
ANALYSIS^
ANALYSIS
RESULTS
UNITS
DATE ANALYST
Lead
0.011
mg/L
3/30/17
TSS
85.0
mg/L
3/21/17 jrg
Copper
0.018
mg/L
3/30/17
Zinc
1.09
mg/L
3/27/17
Oil & Grease
<5.6
mg1L
3/24/17 jdg
LOG 1D: 1703-306
�11
REPORTED BY: NCrCERTHAED LAB # 50
fv�� p t
Tony Gragg, Lab Supervisor

wR rER4rFCH L Re.S. In
C.
POST OFFICE 80; 1056 • N5 PINEWOOD PLAZA DR.
GRANITE FALLS, NORTH CAROLINA 28630
[phone]
SAMPLE: Corning Optical (005) COLLECTION DATE:
3/17/2017
PERMIT #: COLLECTION TIME:
18:28
ADDRESS: Corning Optical RECEIVED DATE:
3/20/2017
P.O. Box 489
RECEIVED TIME:
14A7
Hickory, NC 28603-0489
REPORTED:
4/18/2017
ANALYSIS
ANALYSIS
RESULTS
UNITS
DATE ANALYST
Lead
0.002
mg/L
3/30/17
TSS
62.0
mg/L
3/21117 jrg
Copper
0.008
mg/L
3/30/17
Zinc
0.126
mg/L
3/27117
Oil & Grease
<5.6
mg1L
3/24/17 jdg
LOG ID: 1703-307 REPORTED BY: NC CERTIFIED LAB # 50
fo� �" Q 1
Tony Gragg, Lab Supervisor

' RESEARCh & ANAIyTICAI
C®Q LAbORATORIESP INC.
00�
For: Water Tech Labs, Inc.
P 0. Box 1056
Granite Fails, NC 28630
Attn: Joe Gragg
Report of Analysis
4/13/2017
,,>„1111,,,1,�
• a;Cn
: y NC #34 Z.-
NC 937701
r
Client Sample ID: Corning C01 Lab Sample ID: 32468-01
Site: Water Tech Labs Collection Date: 3/17/2017 18:42
Parameter Method Result Units Rep, Limit Analyst Analysis Date/Time
Copper, Total EPA 200.8 0.021 mg/L 0.001 KL 416/2017
Lead, Total
EPA 200.8
0.010
mg/L
0.001
KL
4/6/2017
Zinc, Total
EPA 200.7
0.660
mg1L
0.01
KL
312712017
Client Sample ID:
Corning 002
Lab Sample ID:
32468-02
Site:
Water Tech Labs
Collection Date:
3/17/2017
18:55
Parameter
Method
Result
Units
Rena Limit Analyst Analysis DatelTime
Copper, Total
EPA 200.8
0.026
mg/L
0.001
KL
3/3012017
Lead, Total
EPA 200.8
0.008
mg/L
0.001
KL
3/30/2017
Zinc, Total
EPA 200.7
0.896
mg/L
0.01
KL
3/27/2017
Client Sample ID: Coming 003 Lab Sample ID: 32468-03
Site: Water Tech Labs Collection Date: 3/17/2017 18:54
Parameter Method Result Units Rep Limit Analyst Analysis DaterTime
Copper, Total EPA 200.8 0.018 mg/L 0.001 KL 3/30/2017
Lead, Total EPA 200.8 0,011 mg/L 0,001 KL 3/30/2017
Zinc, Total EPA 200.7 1.09 mg/L 0.01 KL 3/27/2017
Client Sample ID: Coming 005 Lab Sample ID: 32468-04
Site: Water Tech Labs Collection Date: 3/17/2017 18:28
Parameter Method Result Units Rep Limit Analyst Analysis Dateaime
Copper, Total EPA 200.8 0.008 mg/L 0.001 KL 3/30/2017
P.O. Box 473 106 Short Street Kemersville, North Carolina 27284 TeL [phone] Fax: [phone] www.randalabs.com Page 1
ral coa basic vtd

RESEARCh & ANALyTICA1
LABORATORIES, INC.
Report of Analysis
4/13/2017
Client Sample ID:
Lab Sample ID:
Site:
Collection Date: 18:28
Parameter Method
Result Units Rep limit Analyst Analysis DateMme
Lead, Total EPA 200.8
0.002 mg/L 0.001 KL 3/30/2017
Zinc, Total EPA 200.7
0.125 mg/L 0.01 KL 3/27/2017
NA = not analyzed
P.O. Box 473 106 Short Street Kernersville, North Carolina 27284 Tel: [phone] Fax: [phone] www.randalabs.com Page 2
ral coa basic vid

, Wi� / Afx. - Er Rm T Ek -,'Hd L A S,)' 1) 1 al C
1�
5 Pinewood Plaza Drive - P.O. Box 1056
Granite Falls, NC 28630
Phone [phone] - Fax [phone]
CLIENT: Corning Cable Systems-TC Pit PHONE NUMBER: 828-327-5000
c/o Steve Street
' TYPE SAMPLE: Stormwater
P.0 Box 489 No. LOCATIONS: 4
1�
Hickory, NC 28603-0489 SAMPLER NAME:
1
Sample Collection
Information
TYPE
CONTAINERS
ANALYSIS REQUIRED
Sample Location
Facili Name
r
DATE
TIME
moo'
TEMP. C
Grab/
Composite
No.
Plastic/
Glass
Discharge 0011
jI,
Q
U� Z
Grab
3
Plastic/
Glass
TSS, Oil & Gr., Lead, Copper, Zinc
Discharge 002
��r7
fgS
'
f {
Grab
3
Plastic/
Glass
TSS, Oil & Gr., Lead, Copper, Zinc+
Discharge 003
3�ha�r
r l
1�
Grab
3
Glass
TSS, Oil & Grp, Lead, Copper, Zinc
Discharge 005
f nI
����.
Grab
3
Glass/
TSS, Oil & Gr., Lead, Copper, Zinc
t
i
t
4
Relinquished B
C
Date:
dn
Time:
2'u7
Recieved By;
Date:
Time:
Relinquished By:
Date:
Time:
ReceWd By:
Date:
Time:
PR ER VA TION:
Cool 40C
tf P2SO4
[] NaOH
[] HNO3
[?echlornating Agent
[] Other
SAMPLE TEMP. @ LAB (°C)
Chlorine Residual rng/l
NC CERTIFIED LAB # 50

Permit: NCG030246
SOC:
County: Catawba
Region: Mooresville
Contact Person: Steve Street
Directions to Facility:
System Classifications:
Primary ORC:
Secondary ORC(s):
On -Site Representative(s):
Related Permits:
Compliance Inspection Report
Effective: 11101/12 Expiration: 10/31/17 Owner: Corning Optical Communications LLC
Effective: Expiration: Facility: Hickory Manufacturing and Technology Center
1164 23rd St Se
Hickory NC 28602
Title: Phone: [phone]
Inspection Date: 06/27/2017
Primary Inspector: James 0 Moore
Secondary Inspector(s):
Certification: Phone:
EntryTime: 10:OOAM Exit Time: 12:15PM
Phone:
Reason for Inspection: Routine Inspection Type: Technical Assistance
Permit Inspection Type: Metal Fabrication Stormwater Discharge COC
Facility Status: Compliant Not Compliant
Question Areas:
Storm water
(See attachment summary)
Page: 1

q
permit: NCG030246 owner - Faclllty: Coming Optical Communications LLC
Inspection Date: 06127/2017 Inspection Type :Technical Assistance Reason for Visit: Routine
Inspection Summary:
Based on the site inspection, after silt sack inlet protection is implemented for outfalls 2 and 3, monthly monitoring can be
reduced to quarterly.The MRO also recommends that representative outfall status be requested for outfalls 3 and 5.
Page: 2

Permit: NCG030246
Inspection Date: 0612712017
Analytical Monitoring
Has the facility conducted its Analytical monitoring?
Owner • Facility: Coming Optical Communications LLC
Inspection Type: Technical Assistance
# Has the facility conducted its Analytical monitoring from Vehicle Maintenance areas?
Reason for Visit: Routine
Yes No NA NE
❑ ❑ ❑
❑ ❑ M ❑
Comment: Monthly monitoring has been onaoina at the site since September 2014. Corning has taken all
reseaonable measures to evaluate sources of metals and TSS and has implemented several
corrective actions to mitigate stormwater impacts (see Amec May 26, 2017 report). To further
reduce potential TSS and metal impacts, the MRO recommends silt sack inlet protection for all
yard inlets and curb inlets in the drainage area for outfalls 2 and 3. Once implemented, Corning_
can reduce the monthly monitoring requirements from monthly to quarterly. After 1 year we can
meet again to review the data and next steps.
Permit and Outfalls
Yea No NA NE
# Is a copy of the Permit and the Certificate of Coverage available at the site? 0 ❑ ❑ ❑
# Were all outfalls observed during the inspection? 0 ❑ ❑ ❑
# if the facility has representative outfall status, is it properly documented by the Division? ❑ 110 ❑
# Has the facility evaluated all illicit (non stormwater) discharges? M ❑ ❑ ❑
Comment: All outfalls were observed during the inspection. Based on a review of past monitoring data and
site conditions, Corning could request representative site sampling status for outfalls 3 and 5. In
an effort to further reduce TSS discharged at outfalls 2 and 3 silt sack inlet protection is
recommended for all yard inlets and curb inlets in the drainage area for outfalls 2 and 3.
Page: 3

I
May 26, 2017
Mr. Steve Street
Corning Incorporated
Corning Optical Communications
Hickory, North Carolina 28603
[e-mail]
'1
FC4
F/
O
s F®
*oor�s'�a pFiyRp
woe
Subject: Evaluation of Stormwater Activities Related to Tiered Response
Corning Incorporated
Hickory, North Carolina
Amec Foster Wheeler Project 6550-17-0011
�P
amec
foster
wheeler
Dear Mr. Street:
Amec Foster Wheeler Environment & Infrastructure, Inc. (Amec Foster Wheeler) is pleased to
submit this evaluation of stormwater activities related to a tiered response for the Corning
Incorporated (Corning) facility located at 1164 23rd Street in Hickory, North Carolina. A tiered
response was performed to comply with requirements contained in the National Pollutant
Discharge Elimination System General Permit for Stormwater Discharge (Permit NCG030000
effective November 1, 2012, and expiring October 31, 2017) issued by the North Carolina
Department of Environmental Quality (NCDEQ). Corning's certificate of coverage under this
permit is NCG030246.
Background Information
In accordance with the General Permit, Corning is required to collect stormwater discharge
samples from four individual stormwater discharge outfall (SDO) locations at the facility. The
stormwater discharge sampling frequency is typically semi-annual; however, zinc and copper
were detected at concentrations exceeding North Carolina Department of Environmental Quality
(NCDEQ) benchmark values at several SDOs during the semi-annual sampling events in 2013.
Therefore, a Tier Two monitoring response, as described in the General Permit, is required and
has been implemented by Corning. Corning has been collecting monthly samples from the four
SDOs since February 10, 2014, and has been analyzing the samples for copper, lead, zinc and
total suspended solids (TSS).
Corning Nonrestricted
Correspondence:
Amec Foster Wheeler Environment & Infrastructure, fnc.
1308 Patton Avenue
Asheville, North Carolina 28806
Tel [phone]

0
Corning Incorporated — E'vahlation of Stormwater Activities Belated to Tiered Response May 26, 2017
Amec Foster Wheeler Project 6550-17-0011
Corning implemented a Tier Three response which included contacting the NCDEQ Mooresville
Regional Office after receipt of results of any parameter at any outfall exceeding the respective
benchmark on four occasions during the permit period. In early 2015, Corning contacted
NCDEQ, performed additional sampling and then corresponded with NCDEQ Mooresville
regarding benchmark exceedances. During the contact with NCDEQ in 2015 and 2016, Corning
continued to implement the Tier Two monthly stormwater sampling at the four SDOs, as well as
perform additional 'investigative' sampling activities.
This letter report summarizes stormwater sampling activities and corrective actions performed
by Corning to comply with the requirements of the General Permit, as well as our observations,
evaluations, conclusions and recommendations.
Amec Foster Wheeler Site Visit Observations
Amec Foster Wheeler personnel conducted a walkover of the facility with Corning personnel on
April 4, 2017. In general, the employee parking area is located to the south of the Corning
facility, with loading docks to the northeast, and cable (finished product) storage to the east,
northwest, and west. Manufacturing of cable occurs inside the main operations building.
Vehicles access the northeastern loading dock from the northern gated access drive. Primary
air handling/HVAC equipment is located west of the main operations building. Scrap recyclable
materials are stored under roof or in covered and/or watertight containers east of the main
operations building. Neither machining operations nor scrap metals collection/disposal activities
are exposed to stormwater.
During the walkover of the property, Amec Foster Wheeler personnel observed cable reels
varying in size stored outside, predominately to the east and northwest of the main operations
building. The cable is wrapped on wood or steel reels (per customer and cable requirements) as
finished product intended for outdoor use, and are stored temporarily outside before shipment.
Corning wraps same cabling in plastic to meet customers' requirements. Heavy forklift and
tractor trailer vehicle traffic was present in the eastern cable storage and the northeastern
loading dock area, which is typical according to Corning personnel. Various sections of the
facility, and supporting outbuildings, have metal roofs. The main portion of the operations facility
has a membrane/HDPE roof.
2
Corning Nonrestricted

Corning Incorporated — Evaltiation of StorrawaterActivities Relates! to Tiered Response May 26, 2017
Arnec Foster Wheeier Project 6550-17-0011
Amec Foster Wheeler observed the five SDOs, OF-001, OF-002, OF-003, OF-004 and OF-005.
Approximate SDO locations are shown in Figure 1.
Figure 1: SDO Location Plan
The SDOs were lined with rip -rap and were observed to be clear of debris. Indications of
stormwater pollution, such as foaming, sheen, or odors, were not noted during our visit. Outfall
OF-001 receives stormwater runoff from the southeastern portion of the main operations
building and cable reel storage areas. Outfalls OF-002 and OF-003 receive stormwater runoff
from the eastern portion of the main operations building, cable reel storage areas and loading
dock areas. There is a high volume of forklift and tractor -trailer traffic in these two drainage
Corning Nonrestricted
3

Corning Incorporated - Evaluation of Storniwater Activities Related to Tiered Response May 26, 2017
Anrec Foster Wheeler Project 6550-17-0011
areas. Runoff from the northeastern warehouse roof discharges to Outfall OF-004. Outfall OF-
004 is exempt from quantitative monitoring, however, qualitative monitoring is performed. We
note that access to Outfall OF-004 is a safety concern. Outfa€ls OF-001, OF-002, OF-003 and
OF-004 discharge to an unnamed creek east of the property which flows south into Clark Creek,
which has a surface water C classification. Outfall OF-005 receives stormwater runoff from the
northern, southern and western roofs of the main operations building, northwestern cable reel
storage area and HVAC/air handling equipment areas including the historic drainage areas OF-
006 and OF-007. Outfalls OF-005, OF-006 and OF-007 were combined and designated OF-005
in 2014. SDO locations and associated drainage areas are shown in the attached Stormwater
Map.
Review of Stormwater Sampling Activities and Results
Stormwater samples have been collected monthly at the facility from four SDOs since 2014 and
analyzed for at least copper, zinc and TSS as part of the Tier Two monitoring response.
Concentrations of copper and zinc in stormwater samples collected from SDOs OF-001, OF-
002, OF-003 and OF-005 from September 2014 to January 2017 are summarized in Tables 1
and 2 below.
Tahie I - Historical Stormwater Monitoring Results for Conner
Copper Concentration m 1L
Current Benchmark 4
0.007 rng/L
Date . ,.
OF-001-
OF-002 ..
:OF-003:.
, . OF:7005, W
9/29/2014
0.009
0.005
0.010
0.009
10/31/2014
0.008
0.033
0.024
0.005
11/17/2014
0.014
0.046
0.014
0-006
12/5/2014
0.015
0.030
0.013
0.003
1 /23/2015
0.017
0.032
0.014
0.007
2/9/2015
0,010
0.022
0.011
0.010
3/912015
0.013
0-028
0-009
0.007
4/13/2015
0,075
0,099
0,025
0.027
5/26/2015
0,049
0,132
0.046
0.007
6/12/2015
0,025
0.025
0.011
0.002
7/14/2015
0.022
0.023
0.024
0.019
8/18/2015
0.006
0.018
0.007
<0.002
9/9/2015
0.200
0.030
0.022
0.004
10/26/2015
0-015
0.018
0.016
0.010
11/18/2015
0.006
0.009
0.006
0.003
12/14/2015
0.016
0.021
0.015
0.005
1 /812016
0.020
0.031
0.016
0.004
Corning Nonrestricted
4

Corning Incorporated - Evaluation of Storniwater Arfivilies Related to Tiered Response
Arnec Foster Wheelet Project 6550-17-0011
2/22/2016
0.019
0.030
0.014
0.004
3/13/2016
0.013
0.035
0.018
0.007
4/12/2016
0.010
0.011
0.008
<0.002
5/17/2016
0.006
0.005
0.005
<0.002
6/27/2016
0.061
0.023
0.016
0.008
7/22/2016
0.062
0.394
0.037
0.005
8/21 /2016
0.043 _
0.020
0.013
<0. 002
9/1/2016
0.026
0.008
0.011
0.005
11 /29/2016
0.070
0.044
0.022
0.013
12/18/2016
0.011
0.012
0.044
0.005
1/20/2017
0.023
0.089
0.013
0.009
Maximum
0.200
0.394
0.046
0.027
Median
0.017
0.024
0.014
0.007
Average
0.031
0.042
0.017
0.008 -
mg1L = milligrams per liter
Data provided by Corning
Figure 2. Copper Concentration vs Time
Copper Concentration vs Time
0.400
0.350
J 0.100
0.250
0
.y
c 0.200 A
v
0
U 0.150
•
0.100
♦
AA
A
0.050
�` •
��
0.000
.g �. p.g'.
Sep-14 Dec-14 Mar-15
U-15 Oct-15 fan-16 Apr-16
Aug-16
Nov-16 Feb-17
Date
May 26, 2017
♦ OF-001
• OF-002
* OF-003
O 0 F-005
Corning Nonrestricted
5

Coming Incorporated - Evaluation of 5tormwater Activities Related to Tiered Response May 26, 2017
Amec Foster Wheeler Project 6550-17-0011
Table 2: Historical Stormwater Monitoring Results for Zinc
Zinc Concentration m IL _
_ Current Benchmark 0.067 m IL
Date.
OF-001 .a
OF-002 , ,
OF -QV .. ,
. ° OF=005
9/29/2014
0.532
0.388
0.701
0.198
10/31 /2014
0.285
1.54
1.90
0.165
11/17/2014
0.399
1.07
0.428
0.141
12/5/2014
0.626
0.764
0.905
0.106
1/23/2015
0.553
0.773
0.544
0.159
2/9/2015
0.196
0.521
0.675
0.262
3/9/2015
0.149
0.921
0.145
0.237
4/13/2015
0.466
2.06
0.880
0.558
5/26/2015
2.18
4.33
2.76
0.130
6/12/2015
1.56
0.675
0.760
0.144
7/14/2015
1.04
0.729
0.918
0.098
8/18/2015
0.136
0.726
0.405
0.077
9/9/2015
0.825
1.15
0.99
0.077
10/26/2015
0.352
0.886
1.06
0.129
11 /15/2015
0.128
0.498
0.408
0.056
12/14/2015
0.310
0.630
0.620
0.088
1 /8/2016
0.335
1.01
0.549
0.047
2/22/2016
0.464
0.835
0.596
0.116
3/13/2016
0.299
1.93
0.733
0.120
4/12/2016
0.189
0.501
0.448
0.060
5/17/2016
0.114
0.277
0.251
0.059
6/2712016
1.90
0.927
0.590
0.080
7/22/2016
1.14
1.33
0.754
0.081
8/21/2016
0.573
0.76
1.24
0.073
9/1 /2016
1.28
0.452
0.706
0.125
11/29/2016
1.11
1.82
1.54
0.144
12/18/2016
0.278
0.451
5.88
0.047
1/20/2017
0.646
3.69
0.678
0.116
Maximum
2.18
4.33
5.88
0:558
Median
0.465-
0.804
0.7035
0.116
Average
0.645
1.130
9.002
0:132
mg/L = milligrams per liter Data provided by Corning
Corning Nonrestricted

Corning Incorporated— Evaluation of Stonowater Activities Related to Tiered Response
Ao)ec Foster Wheeler Project 6550-17-0011
Figure 3: Zinc Concentration vs Time
6
5 '
4
on '
E
c
P
UJ
UJ
U }] ♦ I
Zinc Concentration vs Time
•
0
May 26, 2017
• OF-001
♦ OF-0D2
* OF-003
♦ . • • OF-005
0
•
1
cJ
g
I • ♦ o
O Q
• • p ♦p
o13 o b
6]
.• .
•
Ot
Sep-14
Dec-14 Mar-15
Jul-15
Oct-15 Jan-16 Apr-16
Aug-16
Nov-16 Feb-17
Date
Since September 2014, concentrations of copper detected in samples collected frorn SDOs
have ranged from =0.002 mg/L to 0.394 mg/L, with a median value of 0.014 mg/L. The
concentrations of copper in SDOs sampled have generally remained constant with copper
concentrations from 104 of the 112 samples being below 0.050 mg/L, as shown in Figure 2.
Copper concentrations above 0.050 mg/L (one and a half times greater than the interquartile
range) can be considered outliers. In general, the copper concentrations above 0.050 mg/L
correspond with elevated TSS concentrations (average TSS concentration of 159 mg/L). This
correlation indicates the outlier copper concentrations are likely associated with suspended
solids containing copper in the samples, not dissolved copper.
The concentrations of zinc in individual SDOs sampled have generally remained constant since
September 2014, with several high `outlier' concentrations as shown in Figure 3. The highest
concentrations of zinc detected at the site were detected in samples collected from outfafls OF-
002 and OF-003. The concentrations of zinc in outfalls OF-002 and OF-003 have ranged from
0.145 mg/L to 5.33 mg/L, with an average of 1.07 mg/L and a median value of 0.757 mg/L. Zinc
concentrations above 2.0 mg/L (one and a half times greater than the interquartile range) can
be considered outliers. There are six samples that have outlier zinc concentrations. The median
Corning Nonrestricted
7

Corning Incorporated- Evakration of Stormwater Activities Related to Tiered Response May 26, 2017
Annec Foster VW7eeferProject 6550-17-0011
zinc concentration of 0.757 mg/L does not represent higher outlier concentrations and is a more
normalized stormwater discharge valve. A graphical representation of zinc concentrations vs
time is shown in Figure 3. Similar to the copper concentration trend, the zinc concentrations
above 2.0 rng1L correspond with elevated TSS concentrations (average TSS concentration of
176 rng/L). This correlation indicates the outlier zinc concentrations are likely associated with
suspended solids containing zinc in the samples, not dissolved zinc.
In general, concentrations of TSS were similar in each SDO sampled during an individual
sampling event. 16 of the 112 samples collected exceeded the 100 mg/L benchmark and the
median and average concentrations from SDOs sampled were 34.5 mg/L and 54.1 mg/L,
respectively. Results from historical monthly stormwater monitoring for TSS are included in
Table 3.
Tahie 3- Historical Stnrmwater Monitoring Results for TSS
TSS Concentration m /L
Current Benchmark 100 m 1L .
Date
OF-001
OF-002'
OF-003
'-"OF-005.
9/29/2014
3.1
5.4
3.2
292
10/31/2014
23.3
130
164
80
11/17/2014
12.4
38.7
10.7
31
12/5/2014
58
130
52
50
1/23/2015
38.6
60
17
37.1
2/9/2015
20.5
39
21.3
18.5
3/9/2015
8.5
55
9.0
8.0
4/13/2015
242
68
114
62
5/26/2015
227
233
223
54
6/12/2015
95
74
65
22
7/14/2015
110
36
52.9
13.5
8/18/2015
7.3
21.3
7.0
5.2
9/9/2015
36.3
54
58
15.2
10/26/2015
7.3
10.7
21.5
8.0
11/18/2015
8.0
19.3
12.0
5.4
12/14/2015
21.3
26.7
19.0
5.5
1 /812016
27
45
35
9.0
2/22/2016
31
41
46
21.3
3/13/2016
43
126
54
28
4/12/2016
10.7
20
19.5
10
5/17/2016
10
6.5
12.8
7.8
6/27/2016
325
91.3
59
12
7/22/2016
146
84
62
34
Corning Nonrestricted
8

Corning Incorporated — Evaluation of Stormwuater Activities Related to 77ered Response May 2.6, 2017
Amec Foster Wheeler Project 6550-17-0011
8/21 /2016
30
56
80
18.5
9/1/2016
135
29
44
42
11/29/2016
72
76
46.7
18
12/18/2016
23.3
28.7
169
16.4
1 /20/2017
72
134
25
53.8
.'Maximum
_ .; . 325
r 233' .. _
.. 223 ...
' 292 _7
Median
30.5
49.5
45.0
18.5
.- Average
65.8
62.1.:..
_ 53.7 ..
. 34.9
mgIL = milligrams per liter Data provided by Corning
Additional `investigative' storrnwater samples were collected from roof drains, curb inlets and
HVAC condensate in late 2014. This sampling was conducted in an attempt to identify potential
sources of zinc within each drainage area. The results from each sampling location and
corresponding SDO are tabulated in Table 4
Table 4: Additional Investiaative Samolina Results
Associated SDO
Sample Location
C,opPer
m /L
Zinc_
m fL
OF-001
Roof Drain
0.046
0.803
Curb Inlet
0.331
4.6
OF-002
Curb Inlet
0.156
2.24
Roof Drain
0.007
0.137
OF-003
Roof Drain
0.010
0.993
HVAC Equipment
0.144
0.748
OF-005
Curb Inlet
0.020
0.130
HVAC Equipment
< 0.002
0.046
Roof Drain
0.020
1.26
Roof Drain
0.012
0.164
Curb Inlet
0.004
0.039
Roof Drain
0.040
0.234
mgIL = milligrams per filer Data provided by Corning
As shown in the investigative sampling results, potential copper sources were identified in sub -
drainage basins in the OF-001 and OF-002 drainage areas, as well as from HVAC equipment in
the OF-003 drainage basin. Sub -drainage basin sampling in the OF-005 drainage area did not
indicate significant potential sources of copper. Potential zinc sources were identified in the OF-
001, OF-002, and OF-003 drainage basins, which included roots. Similarly, samples from roofs
in the OF-005 drainage basin appeared to be potential sources of zinc.
Corning Nonrestricted
9

Corning lncotporated — Evaluation of Storinwater Activities Related to Tiered Response May 26, 2017
Amec Foster Wheeler Project 6550-17-0011
Surface water samples were collected from the unnamed creek upstream and downstream of
the Corning facility in conjunction with the January 2015 monthly SDO sampling. Surface water
sampling analytical results, as well as results from SDOs that discharge to the unnamed creek
east of the facility, are tabulated in Table 5.
Table 6: Surface Water and SDO Samolina Results
Sample Location
Copper
� m � IL
Zinc
_ m 1#_ _
OF-001
0.017
0.553
OF-002
0.032
0.773
OF-003
0.014
0.544
Creek Upstream
0.005
0.010
Creek Downstream
0.006
0.099
mg/L = milligrams per liter Data provided by Corning
Samples collected January 2015
Although the upstream and downstream creek samples indicate an increase in zinc
concentrations during this stormwater event, the downstream sample concentrations for copper
and zinc are below their respective stormwater discharge benchmarks.
'Background' concentrations of copper and zinc have also been detected in the rain falling from
the sky prior to contact with the facility between late 2013 and 2014. Results are included in
Table 6.
Table 6: Rainfall `Backaround' Results
Date
Copper
m IL
Zinc
m IL
8121 /2013
<0.005
0.346
9/22/2013
<0.005
0.032
2/10/2014
<0.005
0.012
3/4/2014
0.01
0.029
3/16/2014
<0.002
<0.010
4/25/2014
0.004
0.024
_
8/23/2014
_ _
0.004
_
0.041
mg1L = milligrams per liter Data provided by Corning
< indicates concentration below laboratory detection limit.
Corrective Action Activities
During the tiered response, Corning personnel performed General Permit -required inspections,
identified corrective action opportunities and performed corrective actions in addition to
Corning Nonrestricted
10

Corning Incorporated — Evaluation of stormwater Activities Related to Tiered Response May 26, 2017
Arnec Foster Wheeler Project 6550-17-0011
continuing ongoing general good housekeeping activities. These Tier One and Two response
corrective actions include the following:
U Reviewed stormwater drainage areas for potential zinc and copper sources stored
outside;
e Repaired/maintained potential zinc and copper sources as they were identified;
Increased frequency of sweeping, housekeeping and removal of loose metals, debris
and equipment;
P Construction of a new facilities and recycling storage area;
o Insulated exposed copper piping;
Cleaned northern roof;
Relocated the majority of the HVAClair handling equipment and ductwork on the roof of
the main operations building to underneath the roof, away from stormwater exposure;
• Maintained outfall discharge points;
• Minimized outside storage of metal cable reels and encourage customers to uselspecify
wood reels if applicable; and,
Performed additional stormwater investigative sampling, including quarry dust, HVAC
condensate, root drains and Curb inlets in an attempt to find potential sources of copper
and zinc.
Discussion and Conclusions
Historically, zinc and copper concentrations in samples collected from OF-001, OF-002 and OF-
003 have exceeded the current stormwater benchmarks of 0.067 mgfL and 0.007 mg1L,
respectively. Based on the .June 8, 2010, NCDEQ table Estimated NC Stormwate,r Metals
Benchmarks Based on Proposed Dissolved Water Quality Standards (the proposed dissolved
water quality standards were approved by the Environmental Management Commission in
.January 2015, but have yet to be ratified), the calculated revised/proposed stormwater
benchmarks for zinc and copper are 0.126 mglL and 0.0105 mg/L, respectively. Based on these
proposed values, the outfall OF-005 median zinc concentration previously detected is below the
proposed benchmarks. The median copper concentrations from outfalls OF-001, OF-002, OF-
003 and OF-005 are similar to or below the proposed copper benchmark.
The highest concentrations of zinc in stormwater runoff were identified to be associated with the
OF-002 and OF-003 drainage areas. These drainage areas contain scrap materials storage,
Corning Nonrestricted
1 'E

Corning Incorporated— Evaluation of stormwater Activities Related to Tiered Response May 26, 2017
Antec Foster IM7eeler Project 6550-17-0011
cable storage and cable loading areas. Heavy forklift and tractor -trailer traffic occurs in these
areas.
Elevated TSS concentrations are somewhat frequently detected in the sampled SDOs as shown
in Table 3. The Martin Marietta Hickory Quarry, which mines aggregates (gravel, sand, rip -rap
etc.) for construction applications, is located approximately 1,000 feet west of the Corning
facility. According to Corning personnel, dust from mining activities is commonly carried by
westerly winds and deposited on exterior surfaces throughout the Corning facility. Based on
historic sampling results, samples containing higher zinc and copper concentrations correlate to
samples with higher TSS values. For example, stormwater samples collected on May 26, 2015,
contained higher TSS, and also higher zinc and copper concentrations. It can be assumed that
elevated TSS concentrations in stormwater runoff are at least caused in part by the neighboring
mining activities, which are out of Corning's control.
Additional investigative stormwater runoff samples were collected from roof drains, curb inlets
and HVAC equipment in late 2014 as shown in Table 4. Samples collected from roof drains on
the eastern portion of the facility (within OF-001, OF-002 and OF-003 watersheds), contained
relatively high zinc concentrations. However, these concentrations are similar to those collected
from the eastern SDOs and therefore are not considered to be a relatively major source of zinc
pollution. Samples collected from curb inlets on the eastern portion of the facility contained
elevated zinc concentrations, 4.60 mg/L and 2.24 mg/L from curb inlets in O1=-001 and OF-002
drainage areas, respectively. It can be concluded that zinc in stormwater runoff is originating
from the eastern loading area and/or eastern cable storage area and flowing to SDOs through
curb inlets.
Cable reels are stored outside within the OF-005 watershed similar to storage practices in OF-
002 and OF-003 watersheds. However, zinc concentrations in samples collected from OF-005
are approximately eight times less than from samples collected from outfalls OF-002 and OF-
003. TSS and copper concentrations are also two to three times less in samples collected from
OF-005. Based on this comparison, it appears that elevated zinc, copper and TSS
concentrations from outfalls OF-002 and OF-003 are not clue to staged cable reels.
Heavy forklift and tractor -trailer traffic in the northeastern loading and eastern cable storage
areas is typical. Motor oil, hydraulic fluid and dust from wearing tires commonly found on forklifts
Corning Nonrestricted
12

Corning Incorporated — Evaluation of Stormwater Activities Related to Tiered Response May 26, 2017
Amec Foster Wheeler Project 6550-17-0011
and vehicles reportedly contain high concentrations of zinc. Un-maintained incoming vehicles
may leak motor oil and hydraulic, fluids which contain zinc. Corning has a robust service
preventative maintenance program for forklifts. A common source of tire dust, which contains
zinc at about one percent by weight, are forklifts, trucks and truck trailers.' When these
vehicles/trailers make tight turns, tire wear, increases, depositing tire dust containing zinc onto
travel surfaces. Stormwater samples collected at curb inlets cannot distinguish the source of
zinc between motor oil, hydraulic, fluid, tire dust or cable reels. However, based on the heavy
forklift and tractor trailer traffic, it appears tire dust frorn these vehicles are a potential source of
zinc. Because of constraints at the facility (topography, property boundaries, etc.), it is infeasible
to reconfigure tractor -trailer traffic patterns to allow for increased turning radii.
Amec Foster Wheeler notes that the proposed aquatic life water quality standards, upon which
the benchmarks are based, are developed assuming a TSS value of 10 mg/L. The allowable
benchmark contained in the General Permit for Stormwater Discharge is 100 mg/L (as
applicable for this site with a receiving surface water classification of C). Many of the stormwater
samples contained TSS higher than 30 mgll, with 16 of the 112 samples above the 100 mg/L
benchmark. These elevated TSS concentrations could be a result of mining dust deposition,
high -intensity (not typical/representative) rainfall events which cause turbid stormwater
discharges, or other particles on the ground surface. The median and average concentrations
from SDOs sampled were 34.5 mg1L and 54.1 mg/L, respectively. These higher, yet acceptable,
'I"SS concentrations can. potentially contribute to elevated total metals concentrations in relation
to the benchmark value based on 10 mg/L TSS. These elevated total metals concentrations do
not necessarily correlate to elevated dissolved metals concentrations, which more closely
represent the fraction of a total metal which is toxic fo aquatic life and from which the
benchmarks values are derived, but may indicate elevated concentrations of bound metals
occurring in soil or other particles that are captured in the sample,
Samples were collected from the unnamed creek upstream and downstream of the Corning
facility in conjunction with the January 2015 monthly SDO sampling, as shown in Table 5, in an
attempt to determine zinc and copper concentrations within the surface water and Corning's
potential zinc and copper contribution. Although concentrations of copper and zinc in samples
collected from SDOs during this event exceed stormwater benchmarks, the zinc concentration
in the unnamed creek, which discharges to Clark's Creek downstream of the Corning facility, is
' State of Washington D partment of Ecology Water Quality Program. aS'uggesled Practices to Reduce Zinc
Concentrations in Indrrstr icr1,5'!cu mivuter Oischurges. June 2008.
Corning Nonrestricted
13

Corning Incorporated — Evaluation of StarmwaterActivifies Related to Tiered Response May 26, 2017
Anrec Foster Wheeler Project 6550-17-0011
below the NPDES permit water quality standard based on a calculator developed by NCDEQ to
assist municipal and industrial permit holders in estimating allowable metal discharges. Based
on this general NPDES calculator, receiving waters are grouped into two categories: 1) High
Quality Water (HQW) streams, and, 2) Class C, C-NSW, C-Swamp, B and WS streams. The
general NPDES permit water quality standards calculator lists Class C surface waters' total
metal permit limits double that of the HQW surface waters. The zinc and copper Class C
general NPDES permit limits are 0.253 mg1L and 0.021 mg/ L, respectively. Since Corning's
stormwater drains to Clark's Creek, which is classified as a Class C surface water, the higher
general NPDES permit limits would apply. Zinc and copper concentrations in the stream
downstream of the Corning facility were 0.099 mg1L and 0.006 mg/L, much less than the
calculated NPDES permit limits of 0.253 mg/L and 0.021 mg/L. Also, general NPDES
discharges are typically continuous or near -continuous discharges which would relate to chronic
effects on aquatic organisms. Stormwater discharges are short-term in duration, which would
relate to acute effects on aquatic organisms. Benchmarks established on acute effect
calculations are typically greater than benchmarks based on chronic effects.
Based on the sampling results, evaluation and observation of the facility operations, review of
corrective actions and investigative sampling, and comparison of the zinc and copper analytical
results to current and proposed benchmarks (including general NPDES discharge limits),
Corning has complied with the tiered response contained in the General Permit.
Recommendations
Arnec Foster Wheeler recommends submitting this documentation of the stormwater Evaluation
to NCDEQ for their consideration as part of the Tier Three response. Corning has complied with
the tiered response contained in the General Permit.
Based on our evaluation of sampling results, observations, etc., tire dust from the heavy forklift
and tractor -trailer traffic in the northeastern loading and eastern cable storage areas is a likely
primary source of zinc. The following list includes several measures that could be conducted in
an attempt to further mitigate this source.
e Continue to inspect, maintain and repair forklifts regularly;
C Evaluate using forklift tires made from materials that do not contain elevated
concentrations of zinc.
• Park forklifts in same location in an attempt to detect oil/fluid leaks quickly;
Corning Nonrestricted
14

Corning Incorporated — Evaluation of Stornnwater Activities Related to Tiered Response May 26, 2017
Arnec Foster Wheeler Project 6550-17-0011
• Increase stormwater pollution inspection frequency in eastern loading and storage
areas;
Y Regularly clean areas where heavy tractor -trailer and forklift traffic exists;
After consideration of the above recommendations, and implementation as applicable, Corning
should include a request for regulatory relief and a reduction of the current Tier Two monthly
monitoring frequency to semi-annual sampling and analysis. This sampling schedule should be
performed and evaluated for the remaining duration of the permit period, and tiered responses
for benchmark exceedances of other parameters should be completed, if necessary. We
recommend continued monthly stormwater sampling at the facility, until a confirmation is
provided by NCDCQ for reduction of sampling to the General Permit -specified semi-annual
basis.
We also recommend submitting a Representative Outfall Status request form to NCDEQ.
Representative Outfall Status will reduce the number of outfalls where semi-annual analytical
sampling is required. However, all outfalls are still subject to the qualitative monitoring
requirements of the facility's permit. Given that historically -detected concentrations of sampled
parameters from OF-001 and OF-005 are lower than detected concentrations from OF-002 and
OF-003, and the drainage areas associated with OF-002 and OF-003 contain the primary
industrial activities at the site, a preliminary designation of OF-002 and OF-003 as
representative outfalls appears to be appropriate. Because of safety concerns with accessing
the OF-004 area, and the historical lack of odors at OF-004, we recommend performing just
visual qualitative monitoring of the outfall from a distance (such as using binoculars).
If future additions or modifications to Corning's facility are proposed, the zinc content of
materials, such as roofing and gutters, should be considered. Depending on stormwater
industry -level assessment and metals minimization research, potential future stormwater
management measures might be considered for addressing such sources of zinc and copper
concentrations. Particular attention should be devoted to potential sources of zinc in the OF-002
and OF-003 drainage areas.
Corning Nonrestricted
15

Corning Incorporated — Evaluation of Stormwater Activities Related to Tiered Response
Amec Foster Wheeler Prefect 6550-17-0011
May 26, 2017
We appreciate the opportunity to provide water resource services on this project. If you should
have any questions, or need additional information, please do not hesitate to contact us at (828)
252-8130.
Sincerely,
Amec Foster Wheeler Environment & Infrastructure, Inc.
Ji�
ve— "L' ��'1Qii� . VvtMYQ�
Adam A. Steurer, E.I. Matthew E. Wallace, P.E.
Technical Professional Principal Engineer
AASIMEW:aas
attachment: Stormwater Map
Corning Nonrestricted
16

CORNING
March 23"f, 2017
Steve Street Hickory Manufacturing and t 828-901-6695
Sr. EHS Coordinator Technology Center f 828-g01.5665
PO Box 489 steve,streetQcorning.com
Hickory, NC 25603 www.corning.com
North Carolina Department of Environmental Quality
Division of Energy, Mineral, and Land Resources
Attn: DWQ Central Files
1617 Mail Service Center N CRaleigh, North Carolina 27699-1617
Dear Sir/Madam:
Please find enclosed an original and one (1) copy of the Stormwater Discharge Monitoring
Report for Corning Optical Communications, LLC — Hickory Manufacturing and Technology
Center (HM`1'C) located in Hickory, Catawba County, North Carolina. The stormwater
samples were collected on 2/08/2017 for all permitted outfalls and represent the monthly
sample as specified in the Tier 11 requirements of HMTC's stormwater permit.
The results are mixed and reflect HMTC to be outside the benchmark value for the following
parameters:
• Copper — Stormwater Outfal1 1, 2, 3, and 5
• Zinc — Stormwater Outfall 1, 2, 3, and 5
Additional attachments include the Laboratory Analytical Report, Chain -of -Custody, and
Qualitative Monitoring Report. Please contact me if you have any questions at 828-901-6695.
Sincerely,
Stephen L Street
Senior Environmental, Health and Safety Coordinator
attachments
© 2017 Corning Incorporated. All Rights Reserved.
C7 n
�m
X
n M
03
`" `
frl
M
om
�Cl)
Q
0

Semi-annual Stormwater Discharge Monitoring Report
for North Carolina Division of Water Quality General Permit No. NCG030000
Date submitted: 03/23/2017
CERTIFICATE OF COVERAGE NO. NCG030000 SAMPLE COLLECTION YEAR: 2017
FACILITY NAME: Hickory Manufacturing and Technology Center SAMPLE PERIOD ❑ Jan -June ❑ July -Dec
COUNTY: Catawba or 8 Monthly'— Feb
PERSON COLLECTING SAMPLES: Rick Clark DISCHARGING TO CLASS ❑ORW ❑HQW ❑Trout ❑PNA
LABORATORY: Water Tech Labs Lab Cert. # 50 ❑Zero -flow [_]waterSupply [:]SA
Comments on sample collection or analysis: Click here to enter text. ❑Other
Part A: Stormwater Benchmarks and Monitoring Results
PLEASE REMEMBER TO SIGN ON PAGES 2 AND/OR 3 4
❑ No discharge this period?'
Date Sample
24-hour rainfall
pH,
Non -Polar O&G/
Total Toxic
Outfall No.
Collected'
amount,
Total Suspended Solids
Standard units
Copper
Lead
Zinc
Total Petroleum
Organics5
(mo/dd/yr)
Inches'
Hydrocarbons
Benchmarks =-_>
-
100 mg/L'or 50 mg/L
6.0 — 9.0
0.007 mg/L
0.03 mg/L
0.067 mg/L
15 mg/L
1 mg/L
1
2/08/17
.30"
28 mg/I
7.34
.013 mg/I
.003 mg/I
.292 mg/I
<5.6 mg/I
N/A
2
2/08/17
.30"
52 mg/I
6.92
.050 mg/I
.010 mg/I
.962 mg/I
<5.6 mg/I
N/A
3
2/08/17
.30"
36 mg/I
7.18
.016 mg/I
.006 mg/I
.885 mg/I
<5.6 mg/I
N/A
5
2/08/17
.30"
20.5 mg/I
6.36
.012 mg/I
<.001 mg/I
.116 mg/I
<5.6 mg/I
N/A
' Monthly sampling (instead of semi-annual) must begin with the second consecutive benchmark exceedance for the same parameter at the same outfall.
Z For sampling periods with no discharge at any single outfall, you must still submit this discharge monitoring report with a checkmark here.
3The total precipitation must be recorded using data from an on -site rain gauge. Unattended sites may be eligible for a waiver of the rain gauge requirement.
4 See General Permit, Table 3 identifying the especially sensitive receiving water classifications where the more protective benchmark applies.
5 Total Toxic Organics sampling is applicable only for those facilities which perform metal finishing operations, manufacture semiconductors, manufacture
electronic crystals, or manufacture cathode ray tubes. For purposes of this permit the definition of Total Toxic Organics is that definition contained in the EPA
Effluent Guidelines for the facility subject to the requirement to sample (for metal finishing use the definition as found in 40 CFR 433.11; for semiconductor
manufacture use the definition as found in 40 CFR 469.12; for electronic crystal manufacture use the definition as found in 40 CFR 469.22; and for cathode ray
tube manufacture use the definition found in 40 CFR 469.31).
© 2017 Corning Incorporated. All Rights Reserved.
Permit Darn: 11/1/2012-10/31/2017 SWU-245, last revised 10/2S/2012
Page 1 of 3

Facilities that incorporate a solvent management plan into the Stormwater Pollution Prevention Plan may so certify, and the requirement for TTO monitoring
may be waived. The solvent management plan shall include a list of the total toxic organic compounds used and the other elements listed in the General
Permit. For those facilities electing to employ the TTO monitoring waiver, the discharger shall sign the following certification statement:
"Based upon my inquiry of the person or persons directly responsible for managing compliance with the permit monitoring requirement for total toxic organics
(TTO), 1 certify that to the best of my knowledge and belief, no dumping of concentrated toxic organics into the stormwater or areas which are exposed to rainfall or
stormwater runoff has occurred since filing the last discharge monitoring report. I further certify that this facility is implementing the all the provisions of the
solvent management plan included in the Stormwater Pollution Prevention Plan."
Name (Print name)
Title (Print title)
N/A
(Signature) (Date)
Note: Results must be reported in numerical format. Do not report Below Detection Limit, BDL, <PQL, Non -detect, ND, or other similar non -numerical
format. When results are below the applicable limits, they must be reported in the format, "<XX mg/L",, where XX is the numerical value of the detection
limit, reporting limit, etc. in mg/L.
!Vote: If you report a sample value in excess of the benchmark, you must implement Tier 1, Tier 2, or Tier 3 responses. See General Permit text.
Part B: Vehicle Maintenance Area Monitoring Results: only for facilities averaging > 55 gal of new oil per month.
❑ No discharge this period?z
Outfali No.
Date Sample
Collected'
(mo/dd/yr)
24-hour rainfall
amount,
Inches'
Non -polar O&G/TPH by
EPA 1664 (SGT-HEM)
Total Suspended Solids
pH
Benchmarks =__>
_
-
15 mg/L
100 mg/L or 50 mg/L*
6.0 - 9.0 SU
N/A
N/A
N/A
N/A
N/A
N/A
© 2017 Corning Incorporated. All Rights Reserved.
Permit Date: 11/l/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 2 of 3

Footnotes from Part A also apply to this Part B
* See General Permit text, Table 5, identifying the especially sensitive receiving water classifications where the more protective benchmark applies.
Note: If you report a sample value in excess of the benchmark, you must implement Tier 1, Tier 2, or Tier 3 responses. See General Permit text.
FOR PART A AND PART B MONITORING RESULTS:
• A BENCHMARK EXCEEDANCE TRIGGERS TIER 1 REQUIREMENTS, SEE PERMIT PART II SECTION B.
• 2 EXCEEDANCES IN A ROW FOR THE SAME PARAMETER AT THE SAME OUTFALL TRIGGER TIER 2 REQUIREMENTS. SEE PERMIT PART II SECTION B.
• TIER 3: HAS YOUR FACILITY HAD 4 OR MORE BENCHMARK EXCEEDENCES FOR THE SAME PARAMETER AT ANY ONE OUTFALL? YES X❑ NO❑
IF YES, HAVE YOU CONTACTED THE DWQ REGIONAL OFFICE? YES ® NO ❑
REGIONAL OFFICE CONTACT NAME: Several discussions and correspondence held with Mr. Samar Bou-Ghazale with the Mooresville regional office.
Mail an original and one copy of this OMR, including all "No Discharge" reports, within 30 days otreceiat of the lob results (or at end of monitoring period
in the case of "No Discharge" reports) to:
Division of Water Quality
Attn: DWQ Central Files
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
YOU MUST SIGN THIS CERTIFICATION FOR ANY INFORMATION REPORTED:
"I certify, under penalty of law, that this document and all attachments were prepared under my direction or supervision in accordance with a system designed to
assure that qualified personnel properly gather and evaluate the information submitted. Based on my inquiry of the person or persons who manage the system, or
those persons directly responsible for gathering the information, the information submitted is, to the best of my knowledge and belief, true, accurate, and complete.
am aware that there are significant penalties for submitting false information, including the possibility of fines and imprisonment for knowing violations."
(Signature of Permittee) (Date)
© 2017 Corning Incorporated. All Rights Reserved.
Permit Date: 11/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 3 of 3

Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
Forguidance on filling out this form, please visit: http-/portal.ncLe-nX.org/web/wq/ws/su/npdessw#tab-4
Permit No.: N/C/ 0/ 3/Q/0/Q/0/0/ or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and Technology Center - Corning Optical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Rick Clark
Date of Inspection: 2/08/2017
Time of Inspection: 9:25 am
Total Event Precipitation (inches):.3"
Was this a 'Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
®Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature, I certify that this report is accurate and complete to the best of my knowledge:
(Signature of rermittee or Designee)
© 2D17 Corning Incorporated, All Rights Reserved.
Page 1 of 2
5WU-242, last modified 10/25/2012

I. Outfall Description:
Outfali No. 001 Structure (pipe, ditch, etc.) Pine
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: Reel storage, solid
waste containers designated for landfill, hazardous waste storag_e,_and _R&D building.
Z. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Color was light brown.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
1 5 3 4 5
5. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
H 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
1 0 3 4 5
7. Is there any foam in the stormwater discharge? Yes No
8. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
© 2017 Corning Incorporated. Alt Rights Reserved.
Page 2 of 2
SWU-242, fast modified 10/25/2012

Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
For guidance on filling out this form, please visit: littp�//portil.ncdenr.org/web/wgfws/su/nodessw#tab-4
Permit No.: N/C/ 0/ 3/0/0/0/D/0/ or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and Technology Center - Corning Optical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Rick Clark
Date of Inspection: 210812017
Time of Inspection: 9:14 am
Total Event Precipitation (inches):.30"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
® Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature, I certify that this report is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
© 2017 Corning Incorporated, All Rights Reserved.
Page 1 of 2
SwU-242, Last modified 10/25/2012

1. Outfall Description:
Outfall No. 002 Structure (pipe, ditch, etc.) Plpe
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: So -lid -waste containers
designated for landfill metal recycling container, and chemical tora a area (covered).
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Discharge was light gray.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odors were present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
1 Q 3 4 5
S. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
1 5 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
1 Q 3 4 5
7. Is there any foam in the stormwater discharge? Yes No
8. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe: Run-off contained gravel dust from the adjacent rock quark causing the light
gray color.
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
© 2017 Corning Incorporated. All Rights Reserved.
Page 2 of 2
5WU-242, East modified 10/2s/2012

FIX i-f A�
^►.rti�
NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
For guidance on filling out this form, please visit, hap-/ portal.ncdenr.org/web"w /ws/su/npdessw#tab-4
Permit No.: N/C/ 0/ 3/0/0/0/0/0/ or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and Technology Center - Corning Optical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Rick Clark
Date of Inspection: 2/08/2017
Time of Inspection: 9:18 am
Total Event Precipitation (inches):
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
©Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature, I certify that this report is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
© 2017 Corning Incorporated. All Rights Reserved.
Page 1 of 2
SWU-242, last modified 10/25/2012

1. Outfall Description:
Outfall No. 003 Structure (pipe, ditch, etc.) Pine
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: Reel storagemachine
shop, and warehouse.
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Discharge was slight gray in color.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odors were present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
0 2 3 4 5
S. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
W1 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
1 H2 3 4 5
7. Is there any foam in the stormwater discharge? Yes No
B. is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
© 2017 Corning Incorporated. All Rights Reserved.
Page 2 of 2
SWU-242, Last modified 10/25/2012

NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
For guidance on filling out this form, please visit: http://portal.ncdenr.org/webJwq jwsIsu/nodessw#tab-4
Permit No.: N/C/ 0/ 3/0/0/0/0/0/ or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and Technology Center — Cornin 0 tical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Rick Clark
Date of Inspection: 2108 2017
Time of Inspection: 9:30 am
Total Event Precipitation (inches):.30"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
Ryes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office. .
By this signature, I certify that this report is accurate and complete to the best of my knowledge:
(Signature ofPie�rmittee or Designee)
© 2017 Corning incorporated. All Rights Reserved.
Page 1 of 2
SWU-242, Last modified 10/25/2012

1. Outfall Description:
Outfall No. 004 Structure (pipe, ditch, etc.) Pipe
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: No industrial activities,
only a warehouse.
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Color was clear.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
2 3 4 5
S. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
P1 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
n 2 3 4 5
7. is there any foam in the stormwater discharge? Yes No
8. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
© 2017 Corning Incorporated. All Rights Reserved.
Page 2 of 2
SWU-242, Last modified 10/25/2012

WWA
m �®
NC®ENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
Forguidance on filling out this form, please visit: http://portal.nc�ien[.org/web/wq/ws/su/npdessw#tab-4
Permit No.: N/C/ 0/ 3/0/0/0/0/0/ or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and Technology Center - Corning Optical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Rick Clark
Date of Inspection: 2108117
Time of Inspection. 8:55 am
Total Event Precipitation (inches):.30"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
© Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm'event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature, I certify that this report is accurate and complete to the best of my knowledge:
A
(Signature of Permittee or Designee)
© 2017 Corning Incorporated. All Rights Reserved.
Page 1 of 2
SWU-242, Last modified 10/25/2012

1, Outfall Description:
Outfall No. 005 Structure (pipe, ditch, etc.) fine
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: Manufacture of fiber
optic cable and warehouse.
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Color was clear.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
P1 2 3 4 5
5. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
P1 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
1 n 3 4 5
7. Is there any foam in the stormwater discharge? Yes No
8. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
20. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
© 2017 Corning Incorporated. All Rights Reserved.
Page 2 of 2
SWU-242, Last modified 10/25/2012

idRuRiTECH LRD..I.C.
POST OFFICE 80; 105£ • #5 PINEWOOD PLAZA DR.
GRANrrE FALLS, NORTH CAROLINA 28630
[phone]
SAMPLE: Corning Optical (001) COLLECTION DATE: 2/8/2017
PERMIT* COLLECTION TIME: 09:25
ADDRESS: Corning Optical RECEIVED DATE: 2/8/2017
P.O. Box 489 RECEIVED TIME: 09:55
Hickory, NC 28603-0489
REPORTED: 3/6/2017
�'ANALYSIS,
ANALYSIS
RESULTS
UNITS
DATE ANALYST
Lead
0.003
mg/L
2l23117
TSS
28.0
mg/L
219117 jrg
Copper
0.013
mg/L
2/23/17
Zinc
0.292
mg/L
2/13/17
Oil & Grease
<5.6
mg/L
2/10/17 jdg
I[,
LOG ID: 1702-120 REPORTED BY: NC CERTIFIED LAB # 50
ff�
Tony Gragg, Lab Supervisor

tmrmirECH LAN' Inc.
POST OFFICE BOx 1056 • #5 PINEWOOD PLAZA DR.
GRANITE FALLS, NORTH CAROLINA 28630
[phone]
SAMPLE: Corning Optical (002) COLLECTION DATE: 218I2017
PERMIT #: COLLECTION TIME: 09:14
ADDRESS: Corning Optical RECEIVED DATE: 2/8/2017
P.O. Box 489 RECEIVED TIME: 09:55
Hickory, NC 28603-0489
REPORTED: 3/6/2017
ANALYSIS
ANALYSIS
RESULTS
UNITS
DATE ANALYST
Lead
0.010
mg1L
2/23/17
TSS
52.0
mg1L
219I17 jrg
Copper
0.050
mg1L
2/23/17
Zinc
0.962
mg/L
2/13/17
Oil & Grease
<5.6
mg1L
2/10/17 jdg
LOG ID: 1702-121 REPORTED BY: NCCERTIFIEDLAB # 50
ff� �" �
Tony Gragg, Lab Supervisor

savrERiTECH LEiBS.Inc.
POST OFFICE SO; 1056 • #5 PINEWOOD PLAZA DR.
GRANITE FALLS, NORTH CAROLINA 28630
[phone]
SAMPLE: Corning Optical (003) COLLECTION DATE: 2/8/2017
PERMIT #: COLLECTION TIME: 09:18
ADDRESS: Corning Optical RECEIVED DATE: 218I2017
P.Q. Box 489 RECEIVED TIME: 09:55
Hickory, NC 28603-0489
REPORTED: 3/6/2017
ANALYSIS
ANALYSIS
RESULTS
UNITS
DATE ANALYST
Lead
0.006
mg1L
2123/17
TSS
36.0
mg1L
2/9117 jrg
Copper
0.016
mg1L
2/23/17
Zinc
0.885
mg/L
2113117
Oil & Grease
<5.6
mg/L
2110117 jdg
LOG ID: 1702-122 REPORTED BY: NC CERTIFIED LAB # 50
ft�
Tony Grabg, I.ab Supervisor

IdRTERiTECH LRBS.Inc.
POST OFFICE BOX 1056 • #5 PINEWOOD PLAZA DR.
GRANITE FALLS, NORTH CAROLINA 28630
[phone]
SAMPLE: Corning Optical (005) COLLECTION DATE: 2/8/2017
PERMIT #.- COLLECTION TIME: 08:55
ADDRESS: Corning Optical RECEIVED DATE: 2/8/2017
P.O. Box 489 RECEIVED TIME: 09:55
Hickory, NC 28603-0489
REPORTED: 3/6/2017
ANALYSIS
ANALYSIS
RESULTS
UNITS
DATE ANALYST
Lead
<0.001
mg1L
2/23117
TSS
20.5
mg/L
219/17 irg
Copper
0.012
mg/L
2/23/17
Zinc
0.116
mg/L
2/13/17
Oil & Grease
<5.6
mg/L
2110/17 jdg
I
I.L
LOG ID: 1702-123 REPORTED BY: NC CERTIFIED LAB # 50
fo�
Tony Gragg, Lab Supervisor

RESEARCH & ANA1YTdCA[ Report of Analysis
p y
LAbORATORiESI INC. 3/3/2017
• IIII11011
For: Water Tech Labs, Inc.
P.O. Box 1056.
`'�
Granite Falls, NC 28630
9
M.iN NC 434 z
Attn: Joe Gragg
NC 937701 =
,Fol i1,6D AN����,
yS
Client Sample ID: Corning 001
Lab Sample ID: 30812.01
Site: Water Tech Labs
Collection Date: 2/7/2017 9:25
Parameter
Method
Result
Units
Rep Limit Analyst Analysis Date/Time
Copper, Total
Lead, Total
Zinc, Total
EPA 200.8
EPA 200.8
EPA 200.7
0,013
0.003
0,292
mg/L
mg/L
mg/L
0.001 KL 2/23/2017
0,001 KL 2/23/2017
0.01 KL 2/13/2017
Client Sample ID:
Site:
Coming 002
Water Tech Labs
Lab Sample ID: 30812-02
Collection Date: 2/7/2017 9:14
Parameter
Method
Result
Units
Rep Limit An�-, alyst Analysis DatelTime
Copper, Total
EPA 200.8
0.050
mg/L
0.001 KL 2/23/2017
Lead, Total EPA 200.8 0.010 mg/L 0,001 KL 2/23/2017
Zinc, Total EPA 200.7 0,962 mg/L 0.01 KL 2/13/2017
Client Sample ID: Corning 003 Lab Sample ID: 30812-03
Site: Water Tech Labs Collection Date: 2/7/2017 9:18
Parameter Method Result Units Rep Limit Analyst Analysis Date/Time
Copper, Total EPA 200.8 0.016 mg/L 0.001 KL 2/23/2017
Lead, Total EPA 200.8 0.006 mg/L 0,001 KL 2/23/2017
Zinc, Total EPA 200.7 0.885 mg/L 0.01 KL 2/13/2017
Client Sample ID: Coming 005 Lab Sample ID: 30812-04
Site: Water Tech Labs Collection Date: 2/7/2017 8:58
Parameter Method Result Units Rep Limit Analyst Analysis DatelTime
Copper, Total EPA 200.8 0,012 mg/L 0.001 KL 2/23/2017
P.O. Box 473 106 Short Street Kemersville, North Carolina 27264 Tel: [phone] Fax: [phone]� www.randalabs.com� W page 1
ra1_coa_b1stc_v1 d

. RESEARCh & ANA[yTICA[
J LAbORATORIES� INC.
Report of Analysis
313/201 7
Client Sample ID: Lab Sample ID:
Site: Collection Date: 8:58
Parameter Method Result Units Rep _Limit Analyst Analysis DatelTime
Lead, Total EPA 200.8 <0.001 mg/L 0.001 KL 2/23/2017
Zinc, Total
EPA 200.7
0.116 mg/L 0.01 KL 211312017
NA = not oncfyzed
P.O. Box 473 106 Short Street Kemersville, North Carolina 27284 Tel: [phone] Fax: [phone] www,randalabs.com Page 2
ral cca oasfc Od,

�1� �' �`. r ` C; �. ; ,S Inc�.s
��
5 Pinewood Plaza Drive — P.O. Box 1056
Granite Falls, NC 28630
Phone [phone] -- Fax [phone]
CLIENT: Corning Cable Systems-TC Pit
c/o Steve Street
P.O Box 489
Hickory, NC 28603-0489
PHONE NUMBER: 828-327-5000
TYPE SAMPLE: Stormwater
No. LOCATIONS: 4
SAMPLER NAME:
Sample Collection
Information
TYPE
CONTAINERS
ANALYSIS REQUIRED
Sample Location
FacilityName
DATE
TIME
TEMP. o C
Grab/
Composite
NO'
Plasticl
Glass
Discharge 001
ZJj�i�
a
! .'
Grab
ra
3
Plastic/
Glass
TSS, Oil & Gr., Lead, Copper, Zinc
pp.
Discharge 002
��1T'1rf
q' jgPrn
Grab
3
Plastic/
Glass
TSS, Oil & Gr., Lead, Copper, Zinc
Discharge 003
I
Z�7�1']
Q'
Grab
3
Plastic/
Glass
TSS, Oil & Gr., Lead, Copper, Zinc
pp
Discharge 005
47rf7
Grab
3
PlastiGlassl
TSS, Oil & Gr., Lead, Copper, Zinc
Relinquished By'A
f
Date:
? (7
Time:
q' S Am_
ecieved
Date:
46:
Time:
�fv-
Relinquished By:
Date:
Time:
Rec ' ed By:
Date:
Time:
PRESERVATION:
j 04
jJ NaOH
f3f
jJ Dechlornating Agent
II Other
SAMPLE TEMP. @ LAB (°C)
Chlorine Residual mgll
NC CERTIFIED LAB # 50

0.1 Semi-annual Stormwater Discharge Monitoring Report
for North Carolina Division of Water Quality General Permit No. NCG030000
Date submitted: 02/23/2017
CERTIFICATE OF COVERAGE NO. N00030000 rV cts 0 3 as r`" SAMPLE COLLECTION YEAR: 2017
FACILITY NAME: Hickory Manufacturing and Technology Center SAMPLE PERIOD ❑ Jan -June ❑ July -Dec
COUNTY: Catawba or ®Monthly1-Jan
PERSON COLLECTING SAMPLES: Steve Street DISCHARGING TO CLASS ❑ORW ❑HQW ❑Trout ❑PNA
LABORATORY: Water Tech Labs Lab Cert. # 50 p� ❑Zero -flow ❑Water Supply [:]SA
Comments on sample collection or analysis: Click here to enter text. RECEIVED ❑Other
MAR 0 6 2017 PLEASE REMEMBER TO SIGN ON PAGES 2 AND/OR 3 -)
CENTRAL FILES
Part A: Stormwater Benchmarks and Monitoring Results DWR SECTION
No discharge this period:
w _
_
a,'. 'a•r
I ye. 1 '--.� ':
.G . 1 t. ' c --• ;
a-r' '1 :' ~ 3r " [ nx.
- _i . '-•
Date Sample_
. 247hour rainfall
pH,_,
Total biic
Outfall.No:.
1
" ''" '
Tata1 Suspended Sands
Copper,
LeacE
Lnc
�Tota1 Petroleum:
n
Collected
t
amount,
i ..3
�'
Standardunits
r <;. �r-
, 9� f=
.F>�
5
"M drocarbons
Organics,
.'-
"� -
'.5,.,•'
Inches
;:. •..ClizM..
1N� '.'"^.:.5r
l,._� y ;
d/yr)
m.
�i
- - >
Benchmarks
.
_
,Z fn'-to.
U0 g/L or
g% l -
L
yN/A
1
1/20/17
.501,
72 mg/l
7.08
.023 mg/1
.005 mg/I
.646 mg/I
<5.6 mg/I
2
1/20/17
so-
134 mg/I
7.41
.089 mg/I
.016 mg/I
3.69 mg/I
<5.6 mg/I
N/A
3
1/20/17
.50"
25 mg/I
6.76
.013 mg/I
.005 mg/I
.678 mg/I
<5.6 mg/I
N/A
5
1/20/17
.50"
53.8 mg/I
7.07
1 .009 mg/I
<.003 mg/I
.116 mg/I
<5.6 mg/I
N/A
F Monthly sampling (instead of semi-annual) must begin with the second consecutive benchmark exceedance for the same parameter at the same outfall.
z For sampling periods with no discharge at any single outfall, you must still submit this discharge monitoring report with a checkmark here.
3The total precipitation must be recorded using data from an on -site rain gauge. Unattended sites may be eligible for a waiver of the rain gauge requirement.
° See General Permit, Table 3 identifying the especially sensitive receiving water classifications where the more protective benchmark applies.
s Total Toxic Organics sampling is applicable only for those facilities which perform metal finishing operations, manufacture semiconductors, manufacture
electronic crystals, or manufacture cathode ray tubes. For purposes of this permit the definition of Total Toxic Organics is that definition contained in the EPA
Effluent Guidelines for the facility subject to the requirement to sample (for metal finishing use the definition as found in 40 CFR 433.11; for semiconductor
manufacture use the definition as found in 40 CFR 469.12; for electronic crystal manufacture use the definition as found in 40 CFR 469.22; and for cathode ray
tube manufacture use the definition found in 40 CFR 469.31).
O 2017 Corning Incorporated. All Rights Reserved.
Permit Date: 11/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 1 of 3

Facilities that incorporate a solvent management plan into the Stormwater Pollution Prevention Plan may so certify, and the requirement for TTO monitoring
may be waived. The solvent management plan shall include a list of the total toxic organic compounds used and the other elements listed in the General
Permit. For those facilities electing to em ploy the TTO monitoring waiver, the discharger shall sign the following certification statement:
"Based upon my inquiry of the person or persons directly responsible for managing compliance with the permit monitoring requirement for total toxic organics
(TTO), I certify that to the best of my knowledge and belief, no dumping of concentrated toxic organics into the stormwater or areas which are exposed to rainfall or
storrnwater runoff has occurred since filing the last discharge monitoring report. I further certify that this facility is implementing the all the provisions of the
solvent management plan included in the Stormwater Pollution Prevention Plan."
N/A
Name (Print name)
N/A
Title (Print title)
(Signature)
(Date)
Note: Results rmust be reported in numerical format. Do not report Below Detection Limit, BDL, <PQL, Non -detect, ND, or other similar non -numerical
format. When results are below the applicable limits, they must be reported in the format, "<XX me/L", where XX is the numerical value of the detection
limit, reporting limit, etc. in mg/L.
Note: if you report a sample value in excess of the benchmark, you must implement Tier 1, Tier 2, or Tier 3 responses. See General Permit text.
Part B: Vehicle Maintenance Area Monitoring Results: only for facilities averaging > 55 gal of new oil per month.
❑ No discharge this period:
Outfall'•No
=
Date Sample
Collected
(rrio/dd/yr)
24' our.rarnfall
amount,
lnchesa
Non polar O&G/TPH by
'EPA .1664.(SGT-HEM)
,
Total Suspended Solids _
pH
Benchmarks_===>.'
y .
_
-
= ]5 ing/L
.
S00 mg/L o 50 mg/L*
.
5 0 9:0 SU
.
N/A
N/A
N/A
N/A
N/A
N/A
O 2017 Corning Incorporated. All Rights Reserved.
Permit Date: 11/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 2 of 3

Footnotes from Part A also apply to this Part B
* See General Permit text, Table 5, identifying the especially sensitive receiving water classifications where the more protective benchmark applies.
Note: If you report a sample value in excess of the benchmark, you must implement Tier 1, Tier 2, or Tier 3 responses. See General Permit text.
FOR PART A AND PART B MONITORING RESULTS:
• A BENCHMARK EXCEEDANCE TRIGGERS TIER 1 REQUIREMENTS. SEE PERMIT PART II SECTION B.
• 2 EXCEEDANCES IN A ROW FOR THE SAME PARAMETER AT THE SAME OUTFALL TRIGGER TIER 2 REQUIREMENTS. SEE PERMIT PART II SECTION B.
• TIER 3: HAS YOUR FACILITY HAD 4 OR MORE BENCHMARK EXCEEDENCES FOR THE SAME PARAMETER AT ANYONE OUTFALL? YES I NO❑
IF YES, HAVE YOU CONTACTED THE DWQ REGIONAL OFFICE? YES® NO ❑
REGIONAL OFFICE CONTACT NAME: Several discussions and correspondence held with Mr_ Samar Bou-Ghazale with the Mooresville regional office.
Mail an original and one copy of this DMR, including all "No Discharge" reports, within 30 days of receipt of the lab results for at end of monitoring period
in the case of "No Discharge" retorts) to:
Division of Water Quality
Attn: DWQ Central Files
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
YOU MUST SIGN THIS CERTIFICATION FOR ANY INFORMATION REPORTED,
"I certify, under penalty of law, that this document and all attachments were prepared under my direction or supervision in accordance with a system designed to
assure that qualified personnel properly gather and evaluate the information submitted. Based on my inquiry of the person or persons who manage the system, or
those persons directly responsible for gathering the information, the information submitted is, to the best of my knowledge and belief, true, accurate, and complete. I
am aware that there are significant penalties for submitting false information, including the possibility of fines and imprisonment for knowing violations."
(Signature of Permittee)
( Date)
© 2017 Corning Incorporated. All Rights Reserved.
Permit Date: 11/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 3 of 3

WR
14Rrm 6TITCH Lowiffs-117c,
POST OFFICE SOX 1056 • N5 PINEWOOD PLAZA DR.
GRANITE FALLS, NORTH CAROLINA 28630
[phone]
SAMPLE: Corning Optical (001) COLLECTION DATE: 1 /20/2017
PERMIT #: COLLECTION TIME: 04:04
ADDRESS: Corning Optical RECEIVED DA TE: 1/20/2017
P.O. Box 489 RECEIVED TIME: 08:39
Hickory, NC 28603-0489
REPORTED: 2/3/2017
ANALYSIS
ANALYSIS
RESULTS
UNITS
DATE ANALYST
Lead
0.005
mg/L
1127/17
TSS
72.0
mg1L
1/23/17 jrg
Copper
0.023
mg1L
1130/17
Zinc
0.646
mg/L
1/27117
Oil 8 Grease
<5.6
mg/L
1/20117 jdg
i
LOG ID: 1701-322 REPORTED BY: NC CERTIFIED LAB # 50
fq�
Tony Gragg, Lab Supervisor

WRTM16TECH L919151nc.
POST OFFICE BOX 1056 • 05 PINEWOOD PLAZA DR. '
GRANITE FALLS. NORTH CAROLINA 28630
[phone]
SAMPLE: Corning Optical (002) COLLECTION DATE: 1/20/2017
PERMIT #: COLLECTION TIME: 04:18
ADDRESS: Corning Optical RECEIVED DATE: 1120/2017
P.O. Box 489 RECEIVED TIME: 08:39
Hickory, NC 28603-0489
REPORTED: 2/3/2017
-ANALYSIS
ANALYSIS
RESULTS
UNITS
DATE ANALYST
Lead
0,016
mg/L
1130/17
TSS
134
mg1L
1/23/17 irg
Copper
0.089
mg1L
1130117
Zinc
3.69
mg1L
1127117
011 & Grease
<5.6
mg1L
1I20117 idg
LOG ID: 1701-323 REPORTED BY: NC
CERTIFIED LAB # 50
0 P
Tony Gragg, Lab Supervisor

dfiffffR6790W 111 C.
POST OFFICE 80X 1056 • p5 PINEWOOD PLAZA DR.
GRANITE FALLS, !NORTH CAROUNA 28630
[phone]
SAMPLE Corning Optical (003) COLLECTIONDATE:
1 /20/20.17
PERMIT #: COLLECTION TIME:
04:15
ADDRESS: Corning Optical RECEIVED DATE:
1/20/2017
P.O, Box 489
RECEIVED TIME:
08:39
Hickory, NC 28603-0489
REPORTED:
2/3/2017
ANALYSIS'.
T C
n
ANALYSIS
RESULTS
UNITS
DATE
ANALYST
Lead
0,005
mg1L
1/27/17
TSS
25.0
mg1L
1123W
lrg
Copper
0,013
mg1L
1130/17
Zinc
0.678
mg/L
1/27117
Oil & Grease
<5.6
mglL
1120/17
jdg
LOG ID: 1701-324 REPORTED BY: NC CERTIFIED LAB # 50
fm�.
Tony Gragg, Lab Supervisor

uf N L91851nc.
POST OFFICE BOX 1056 • #5 PINEWOOD PLAZA DR.
GRANITE FALLS. NORTH CAROLINA 28630
[phone]
SAMPLE: Corning Optical (005) COLLECTION DATE: 1/2012017
PERMIT #: COLLECTION TIME: 04:32
ADDRESS: Corning Optical RECEIVED DATE: 1/2012017
P.O. Box 489 RECEIVED TIME: 08:39
Hickory, NC 28603-0489
REPORTED: 2/3/2017
ANALYSIS
ANALYSIS
RESULTS
UNITS
DATE
ANALYST
Lead
<0.003
mglL
1/27117
TSS
53.8
mg/L
1I23117
jrg
Copper
0.009
mg1L
1/30117
Zinc
0.116
mg1L
1127117
Oil & Grease
<5.6
mg/L
1120/17
jdg
LOG ID: 1701-325 REPORTED BY: NC CERTIFIED LAB # 50
Tony Gragg, Lab Supervisor

WATE. R T E CH L A B1, S,
5 Pinewood Plaza Drive - P.O. Box 1056
Granite Falls, NC 28630
Phone [phone] -- Fax [phone]
CLIENT: Corning Cable Systems-TC Pit PHONE NUMBER: 828-327-5000
c/o Steve Street TYPE SAMPLE: Stormwater
P.O Box 489 No. LOCATIONS: 4
Hickory, NC 28603-0489
SAMPLER NAME:
Sample Collection
Information
TYPE .
CONTAINERS
ANALYSIS REQUIRED
Sample Location
FacilityName
DATE
TIME
TEMP. o C
Grab/
Composite
NO'
Plastic/
Glass
Discharge 001
f1 "
if
t�
Grab
3
plastic/
Glass
TSS, Oil & Gr., Lead, Copper, Zinc
Discharge 002
!
I ��
Grab
3
Plasficl Glass
TSS, Oil & Gr., Lead, Copper, Zinc
Discharge 003
�Jf
_
Grab
3
Glass
TSS, Oil & Gr., Lead, Copper, Zinc
Discharge 005
1h4l
Grab
3
Plastic]
Glass
TSS, Oil & Gr., Lead, Copper, Zinc
Relinquished By:
Date:
Time:
Recleved By; r q
Date:
Time:
Ref quished y:
`��'�'W�"z
Date:
!� /7
Time:
�'•�q�
Received y:
Cam-/�
Date:
y-�s-��
Time:
a� 3�
PRESERVATION:
(,-G`ool 4°C
[11 2SO4
[] NaOH
(-�MN03
(J Dechlomating Agent
(] Other
SAMPLE TEMP. @ LAB (°C)
Chlorine Residual mgll
NC CERTIFIED LAB # 50

NC®EN R
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
Forguidance on filling out this form, please visit: httl2://Vortal.ncden[.Qrg/web/wa/ws/5u/npdessw#tab-4
Permit No.: N/C/ 0/ 3/D/0/0/0/0/ or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and Technology Center — Corning Optical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Steve Street
Date of Inspection: 1120/2017
Time of Inspection: 4:04 am
Total Event Precipitation (inches):.5"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature, I certify that this report is accurate and complete to the best of my knowledge:
(Signature of Per"mittee or Designee)
O 2017 Corning Incorporated. All Rights Reserved.
Pagel of 2
SWU-242, Last modified 10/25/2012

1. Outfall Description:
Outfall No. 001 Structure (pipe, ditch, etc.) Pine
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: Reel storage, solid
waste containers designated for landfill, hazardous waste storage, and R&D building
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Color was light brown.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
1 3 4 5
S. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
0 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
1 2 03 4 5
7. Is there any foam in the stormwater discharge? Yes No
8. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
© 2017 Corning Incorporated. All Rights Reserved.
Page 2 of 2
SWU-242, Last modified 10/25/2012

ALT X-AA
7*�-A
NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
For guidance on filling out th isform, please visit: htt ://portal.ncdenr.org/web/wjj jws/su/nodessw#tab-4
Permit No.: or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and Technology Center - Corning Optical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Steve Street
Date of Inspection: 1/2012017
Time of Inspection: 4:18 am
Total Event Precipitation (inches):.50"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
3
i A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
{ obtains approval from the local DWQ Regional Office.
L....... .. .... .... ....... ... ... ....
By this signature, I certify that this report is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
© 2017 Corning Incorporated. All Rights Reserved.
Page 1 of 2
SWU-242, Last modified 10/25/2012

1. Outfall Description:
Outfall No. 002 Structure (pipe, ditch, etc.) Pine
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: Solid waste containers
designated for landfill, metal recycling container, and chemical storage area (covered).
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Discharge was light brown.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odors were present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
1 02 3 4 5
5. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
1 Q2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
1 2 3 ® 5
7. Is there any foam in the stormwater discharge? Yes No
B. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe: Run-off contained gravel dust from the adjacent rock Q.uarr.y causing the light
brown color and high concentration of suspended solids.
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
© 2017 Corning Incorporated. All Rights Reserved.
Page 2 of 2
SWU-242, Last modified 10/25/2012

A LT X-
*`A�`
NC®ENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
For guidance on filling out thisform, please visit: http://portal.ncdenr.org/web/wgfws/su/nndessw#tab-4
Permit No.: N/C/ 0/ 3/0/0/0/0/Q/ or Certificate of Coverage No.:
Facility Name: Hickory_Iylanufacturing and Technology Center - Corning Optical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Steve Street
Date of Inspection: 1/2012017
Time of Inspection: 4:15 am
Total Event Precipitation (inches):.50"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
E performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
1
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
j interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature, I certify that this report is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
© 2017 Corning Incorporated. All Rights Reserved.
Page 1 of 2
SWU-242, Last modified 10/25/2012

1. Outfall Description:
Outfall No. 003 Structure (pipe, ditch, etc.) Pipe
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: Reel storage. machine
shop. and warehouse.
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Discharge was clear.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odors were present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
0 2 3 4 5
5. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
0 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
1 P2 3 4 5
7. Is there any foam in the stormwater discharge? Yes No
8. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Dote: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
© 2017 Corning Incorporated, All Rights Reserved,
Page 2 of 2
SWU-242, Last modified 10/25/2012

NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
Forguidance on filling out this form, please visit. h r l.n nr. r we w w u n de sw#ta -4
Permit No.: N/C/ 0/ 3/0/0/Q/0/0/ or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and Technology Center — Corning Optical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Steve Street
Date of Inspection:112012017
Time of Inspection: 4:08 am
Total Event Precipitation (inches):.50"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
® Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature, 1 certify that this report is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
O 2017 Corning Incorporated. All Rights Reserved.
Page 1 of 2
SWU-242, Last modified 10/25/2012

1. Outfall Description:
Outfall No. 004 Structure (pipe, ditch, etc.) Pipe
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: No industrial activities
only a,warehouse.
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Color was clear.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
0 2 3 4 5
S. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
Q1 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
H1 2 3 4 5
7. is there any foam in the stormwater discharge? Yes No
8. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
OO 2017 Corning Incorporated. All Rights Reserved.
Page 2 of 2
5WU-242, Last modified 10/25/2012

ffLT4
®o
NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
For guidance on filling out this form, please visit: http:l/portal,ncdenr.org/weblwq/wal5u/npdessw#tab-4
Permit No.: N/C/ 0/ 3/0/0/0/0/0/ or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and Technology Center - Corning Optical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Steve Street
Date of Inspection: 1120117
Time of Inspection: 4:32 am
Total Event Precipitation (inches):.50"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
®Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature, I certify that this report is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
© 2017 Corning Incorporated. NI Rights Reserved.
Page 1 of 2
SWU-242, Last modified 10/25/2012

1. Outfall Description:
Outfall No. 005 Structure (pipe, ditch, etc.) Pine
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfail drainage area: Manufacture of fiber
optic cable and warehouse.
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Color was clear.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
0 2 3 4 5
5. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
0 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
1 P 3 4 5
7. Is there any foam in the stormwater discharge? Yes No
8. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
© 2017 Corning Incorporated. All Rights Reserved.
Page 2 of 2
5WU-242, Last modified 10/25/2012

CORNING
February 23rd, 2017
Steve Street Hickory Manufacturing and t 828-901-6695
Sr. EHS Coordinator Technology Center f 828-901-5665
Po Box 489 [e-mail]
Hickory, NC 28603 www.corning.com
North Carolina Department of Environmental Quality
Division of Energy, Mineral, and Land Resources
Attn: DWQ Central Files
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
Dear Sir/Madam:
Please find enclosed an original and one (1) copy of the Stormwater Discharge Monitoring
Report for Corning Optical Communications, LLC — Hickory Manufacturing and Technology
Center (HMTC) located in Hickory, Catawba County, North Carolina. The stormwater
samples were collected on 1/20/2017 for all permitted outfalls and represent the monthly
sample as specified in the Tier 11 requirements of HMTC's stormwater permit.
The results are mixed and reflect HMTC to be outside the benchmark value for the following
parameters:
Copper — Stormwater Outfall 1, 2, 3, and 5
Total Suspended Solids — Stormwater Outfall 2
Zinc — Stormwater Outfal1 1, 2, 3, and 5
Additional attachments include the Laboratory Analytical Report, Chain -of -Custody, and
Qualitative Monitoring Report. Please contact me if you have any questions at 828-901-6695.
Sincerely,
9WER-INVER-ME.
Stephen L Street
Senior Environmental, Health and Safety Coordinator
attachments
0 2017 Corning Incorporated. All Rights Reserved.

Semi-annual Stormwater Discharge Monitoring Report
for North Carolina Division of Water Quality General Permit No. NCG030000
Date submitted: 01/04/201
�J7
CERTIFICATE OF COVERAGE NO. NCG030000 ' "C� 0-3 CI / SAMPLE COLLECTION YEAR: 2016
FACILITY NAME: -Hickory Manufacturing and Technology Center SAMPLE PERIOD ❑ Jan -June ❑ July -Dec
COUNTY: Catawba or ® Monthly'— Nov
PERSON COLLECTING SAMPLES: Steve Street & Rick Clark RECEIVE BSCHARGING TO CLASS ❑ORW ❑HQW ❑Trout ❑PNA
LABORATORY: Water Tech Labs Lab Cert. # 50 ❑Zero -flow ❑Water Supply ❑SA
Comments on sample collection or analysis: JAIL 17 ZOil []Other _
CENTRAL FILES PLEASE REMEMBER TO SIGN ON PAGES 2 AND/OR 3 4
OWR SECTION
Part A: Stormwater Benchmarks and Monitoring Results
❑ No discharge this period?2
Outfall No.
Date Sample
p
24-hour rainfall
Total Suspended Solids
p H,
Copper
Lead
Zinc
Non -Polar O&G/
Total Petroleum
Total Toxic
Collected'.
amount,
Standard units
Hydrocarbons
Organics$
(mo/dd/yr)
Inches3
Benchmarks =__>
-
-
100 mg/L or 50 mg/L
6.0 — 9.0
0.007 mg/L
0.03 mg/L
0.067 mg/L
15 mg/L
1 mg/L
1
11/29/16
.75"
72 mg/I
7.04
.070 mg/I
.011 mg/I
1.11 mg/I
<5.6 mg/I
N/A
2
11/29/16
.75"
76 mg/I
7.13
.044 mg/I
.010 mg/I
1.82 mg/I
<5.6 mg/I
N/A
3
11/29/16
.75"
46.7 mg/I
6.91
.022 mg/I
.007 mg/I
1.54 mg/I
<5.6 mg/I
N/A
5
11/29/16
.75"
18 mg/I
6.91
.013 mg/I
<.003 mg/1
.144 mg/I
<5.6 mg/I
N/A
1 Monthly sampling (instead of semi-annual) must begin with the second consecutive benchmark exceedance for the same parameter at the same outfall.
z For sampling periods with no discharge at any single outfall, you must still submit this discharge monitoring report with a checkmark here.
3The total precipitation must be recorded using data from an on -site rain gauge. Unattended sites may be eligible for a waiver of the rain gauge requirement.
4 See General Permit, Table 3 identifying the especially sensitive receiving water classifications where the more protective benchmark applies.
5 Total Toxic Organics sampling is applicable only for those facilities which perform metal finishing operations, manufacture semiconductors, manufacture
electronic crystals, or manufacture cathode ray tubes. For purposes of this permit the definition of Total Toxic Organics is that definition contained in the EPA
Effluent Guidelines for the facility subject to the requirement to sample (for metal finishing use the definition as found in 40 CFR 433.11; for semiconductor
manufacture use the definition as found in 40 CFR 469.12; for electronic crystal manufacture use the definition as found in 40 CFR 469.22; and for cathode ray
tube manufacture use the definition found in 40 CFR 469.31).
© 2016 Corning Incorporated. All Rights Reserved.
Permit Date: 11/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page i of 3

Facilities that incorporate a solvent management plan into the Stormwater Pollution Prevention Plan may so certify, and the requirement for TTO monitoring
may be waived. The solvent management plan shall include a list of the total toxic organic compounds used and the other elements listed in the General
Permit. For those facilities electing to employ the TTO monitoring waiver, the discharger shall sign the following certification statement:
"Based upon my inquiry of the person or persons directly responsible for managing compliance with the permit monitoring requirement for total toxic organics
(TTO), I certify that to the best of my knowledge and belief, no dumping of concentrated toxic organics into the Stormwater or areas which are exposed to rainfall or
stormwater runoff has occurred since filing the last discharge monitoring report. I further certify that this facility is implementing the all the provisions of the
solvent management plan included in the Stormwater Pollution Prevention Plan."
N/A
Name (Print name)
Title (Print title)
N/A
(Signature) (Date)
Note: Results must be reported in numerical format. Do not report Below Detection Limit, BDL, <PQL, Non -detect, ND, or other similar non -numerical
format. When results are below the applicable limits, the)Lmust be reported in the format, "<XXmg/l.", where XX is the numerical value of the detection
limit, reporting limit, etc. in mg/L.
Note: If you report a sample value in excess of the benchmark, you must implement Tier 1, Tier 2, or Tier 3 responses. See General Permit text.
Part S: Vehicle Maintenance Area Monitoring Results: only for facilities averaging > 55 gal of new oil per month.
❑ No discharge this period?z
Outfall No.
Date Sample
Collected'
(mo/dd/yr)
24-hour rainfall
amount,
Inches;
Non -polar O&G/TPH by
EPA 1664 (SGT-HEM)
Total Suspended Solids
pH
Benchmarks ===>
-
-
15 mg/L
100 mg/L or 50 mg/L*
6.0 — 9.0 SU
N/A
N/A
N/A
N/A
N/A
N/A
© 2016 Corning incorporated. All Rights Reserved.
Permit Date: 11/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 2 of 3

Footnotes from Part A also apply to this Part B
* See General Permit text, Table 5, identifying the especially sensitive receiving water classifications where the more protective benchmark applies.
Note: if you report a sample value in excess of the benchmark, you must implement Tier 1, Tier 2, or Tier 3 responses. See General Permit text.
FOR PART A AND PART B MONITORING RESULTS:
• A BENCHMARK EXCEEDANCE TRIGGERS TIER 1 REQUIREMENTS. SEE PERMIT PART II SECTION B.
+ 2 EXCEEDANCES IN A ROW FOR THE SAME PARAMETER AT THE SAME OUTFALL TRIGGER TIER 2 REQUIREMENTS. SEE PERMIT PART II SECTION B.
• TIER 3: HAS YOUR FACILITY HAD 4 OR MORE BENCHMARK EXCEEDENCES FOR THE SAME PARAMETER AT ANY ONE OUTFALL? YES ® NO❑
IF YES, HAVE YOU CONTACTED THE DWQ REGIONAL OFFICE? YES ® NO ❑
REGIONAL OFFICE CONTACT NAME: Several discussions and correspondence held with Mr. Samar Bou-Ghazale with the Mooresville regional office.
Mail an original and one copy of this OMR, including all "No Discharge" reports, within 30 days of receipt of the lab results Lr at end omonitoring period
in the case of "No Discharge" reports) to:
Division of Water Quality
Attn: DWQ Central Files
1517 Mail Service Center
Raleigh, North Carolina 27699-1617
YOU MUST SIGN THIS CERTIFICATION FOR ANY INFORMATION REPORTED:
"I certify, under penalty of law, that this document and all attachments were prepared under my direction or supervision in accordance with a system designed to
assure that qualified personnel properly gather and evaluate the information submitted. Based on my inquiry of the person or persons who manage the system, or
those persons directly responsible for gathering the information, the information submitted is, to the best of my knowledge and belief, true, accurate, and complete.
am aware that there are significant penalties for submitting false information, including the possibility of fines and imprisonment for knowing violations."
7-0 7
(Signature of Permittee) (Date)
© 2016 Corning Incorporated. All Rights Reserved.
Permit Date: 11/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 3 of 3

RECEIVED
NCDENR JAN 17 2017
Stormwater Discharge Outfall (SDO) CENTRAL FILES
Qualitative Monitoring Report
°Wr-, SECTION
For guidance on filling out this form, please visit: http://pQrti!l.ncdenr.org/web/wq/ws/­sljlnpdessw#tab:4
Permit No.: or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and Technology Center - Corning_ Optical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Steve Street
Date of Inspection: 11/29/2016
Time of Inspection: 1:14 am
Total Event Precipitation (inches):.75"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
®Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature, I certify that this -report is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
© 2016 Corning Incorporated. All Rights Reserved.
Pagel of 2
SWU-242, Last modified 10/25/2012

1. Outfall Description:
Outfall No. 001 Structure (pipe, ditch, etc.) Pine
Receiving Stream: Clark' s Creek
Describe the industrial activities that occur within the outfall drainage area: Reel storage, solid
waste containers designated for landfill, hazardous waste storage, and R&D building_
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Color was light gray.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
1 2 Q 4 5
5. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
1 52 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
1 2 5 4 5
7. Is there any foam in the stormwater discharge? Yes No
B. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10, Other Obvious Indicators of Stormwater Pollution: None
List and describe: The water's gray color count wa cau ed b av i dust de osited on theroof
from the losal rock quarry.
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
© 2016 Corning Incorporated. All Rights Reserved.
Page 2 of 2
SWU-242, Last modified 10/25/2012

AT. -A
C
D
. AN 17 2Ui/
NCDENR
Stormwater Discharge Outfall (SDO) R ��c�loti
Qualitative Monitoring Report
Forguidance on filling out this form, please visit: h t r al.ncd nr.ory/weblwq/ws/su/nw# -4
Permit No.: N/C/ 0/ 3/0/0/0/0/0/ or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and Technology Center - Corning Optical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Steve Street
Date of Inspection: 11/29/2016
Time of Inspection: 1:22 am
Total Event Precipitation (inches):.75"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
®Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature, I certify that this report is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
O 2016 Corning Incorporated. All Rights Reserved,
Pagel of 2
5WU-242, Last modified 10/25/2012

1. Outfall Description:
Outfall No. 002 Structure (pipe, ditch, etc.) Pipe
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: Solid waste containers
designated for landfill, metal recycling container, and chemical Storage area (covered).
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Discharge was light brown.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odors were present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
1 02 3 4 5
5. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
1 P 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
1 2 0 4 5
7. Is there any foam in the stormwater discharge? Yes No
B. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
© 2016 Corning Incorporated. All Rights Reserved.
Page 2 of 2
5WU-242, Last modified 10/25/2012

RECEIVED
JAN 17 2017
WDENR CENTRAL FILES
Stormwater Discharge Outfall (SDO) DWR sECTION
Qualitative Monitoring Report
Forguidance on filling out this form, please visit: http://oortai.ncdenr.org/web/wq/w5, u/nodes5w#tab-4
Permit No.: N/C/ 0/ 3/0/Q/0/0/0/ or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and Technology Center — Corning Optical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Steve Street
Date of Inspection: 11/29/2016
Time of Inspection: 1:19 am
Total Event Precipitation (inches):.7L
Was this a 'Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
®Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature, I certify that this report is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
© 2016 Corning Incorporated. All Rights Reserved.
Pagel of 2
SWU-242, Last modified 10/25/2012

1. Outfall Description:
Outfall No. 003 Structure (pipe, ditch, etc.) Pipe
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: Reel storage Wachine
shop, and warehouse.
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Discharge was light gray.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odors were present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
1 0 3 4 5
S. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
1 Q 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
1 n 3 4 5
7. Is there any foam in the stormwater discharge? Yes No
S. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe: The water's gray color was caused by Rravel dust deposited on the roof from the
local rock quarry.
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
© 2016 Corning Incorporated. All Rights Reserved.
Page 2 of 2
SWU-242, Last modified 10/25/2012

AI's
T
NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
For guidance on filling out this form, please visit: http://portal.ncdenr.org./web/wq/ws/su/npdessw#ta.b-4
Permit No.: N/C/ 0/ 3/0/0/0/0/Q/ or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and Technology Center - Corning Optical Communications
County: Catawba Phone No.: 828-901-669S
Inspector: Steve Street
Date of Inspection: 11/29/2016
Time of Inspection: 1:26 am
Total Event Precipitation (inches): IS"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
®Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
......... ......... ...._._.. ......... _._................................. .......................... ......... ......................... ... .. .. .. .. ..... .. .. .. .. ..... ....
By this signature, I certify that this report is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
© 2016 Corning Incorporated. All Rights Reserved.
Page 1 of 2
SWU-242, Last modified 10/25/2012

1. Outfall Description:
Outfall No. 004 , Structure (pipe, ditch, etc.) Pine
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: No industrial activities,
only a warehouse.
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Color was clear.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
0 2 3 4 5
S. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
0 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
Q 2 3 4 5
7. Is there any foam in the stormwater discharge? Yes No
B. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
© 2016 Corning Incorporated. All Rights Reserved.
Page 2 of 2
SWU-242, Last modified 10/25/2012

NC®ENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
For guidance on filling out this form, please visit., hup:I/portal.ncdenr.org/webIwajws/su/n ddees�w#tab-4
Permit No.: IV/C/ 0/ 3/0/0/0/0/0/ or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and Technology Center - Corning Optical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Steve Street
Date of Inspection: 11/29/2016
Time of Inspection: 1:38 am
Total Event Precipitation (inches):.75"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
®Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event' is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event' is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this sign at e, I certify that this report is accurate and complete to the best of my knowledge:
��
(Signature of Permittee or Designee)
© 2016 Corning Incorporated. All Rights Reserved.
Page 1 of 2
SWU-242, Last modified 10/25/2012

1. Outfall Description:
Outfall No. 005 Structure (pipe, ditch, etc.) Pine
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area- Manufacture of fiber
optic cable and warehouse.
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Color was clear.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
01 2 3 4 5
5. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
01 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
01 2 3 4 5
7. Is there any foam in the stormwater discharge? Yes No
8. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
© 2016 Corning Incorporated. All Rights Reserved.
Page 2 of 2
SWU-242, Last modified 10/25/2012

Id umirECH WT19S. In c.
POST OFFICE BOX 1056 • #5 PINEWOOD PLAZA DR.
GRANITE FALLS, NORTH CAROLINA 28630
(828) 396-4 44
SAMPLE: Corning Optical (001) COLLECTION DATE: 11 /29/2016
PERMIT #: COLLECTION TIME: 13:14
ADDRESS: Corning Optical RECEIVED DATE: 11/29/2016
P.O. Box 489 RECEIVED TIME: 10:26
Hickory, NC 28603-0489
REPORTED: 12/ 15/2016
ANALYSIS
ANALYSIS
RESULTS
UNITS
DATE ANALYST
Lead
0.011
mg/L
1217/16
TSS
72.0
mg/L
1211/16 jrg
Copper
0.070
mg/L
12/13/16
Zinc
1.11
mg1L
1216116
Oil & Grease
<5.6
mg/L
1112116 jdg
LOG ID: 1611-453 REPORTED BY: NCCERTIFIEDLAB # 50
ff�� oI
Tony Gragg, Lab Supervisor

WRTERiTECH LRBSInc
POST OFFICE BOX 1056 • 05 PINEWOOD PLAZA DR.
GRANffE FALLS, NORTH CAROLINA 28630
[phone]
SAMPLE: Corning Optical (002) COLLECTION DATE: 11/29/2016
PERMIT #: COLLECTION TIME: 13:22
ADDRESS: Corning Optical RECEIVED DATE: 11/29/2016
P.O. Box 489 RECEIVED TIME: 10:26
Hickory, NC 28603-0489
REPORTED: 12/ 15/2016
ANALYSIS
ANALYSIS
RESULTS
UNITS
DATE ANALYST
Lead
0.010
mg/L
1217/16
TSS
76.0
mg/L
1211/16 jrg
Copper
0.044
mg/L
12/13/16
Zinc
1.82
mg/L
1216116
Oil & Grease
<5.6
mg1L
1112116 jdg
LOG ID: 1611454 REPOR-I'ED BY: SIC CERTIFIED LAB # 50
ffll�
Tony Gragg, Lab Supervisor

URTERiTECH LRAIS.Inc.
POST OFFICE BOX 1056 • #5 PINEWOOD PLAZA DR.
GRANITE FALLS, NORTH CAROLINA 28630
[phone]
SAMPLE: Corning Optical (003) COLLECTION DA TE: 11/29/2016
PERMIT #: COLLECTION TIME: 13:19
ADDRESS: Corning Optical RECEIVED DATE: 11 /29/2016
P.Q. Box 489 RECEIVED TIME: 10:26
Hickory, NC 28603-0489
REPORTED: 12/15/2016
ANALYSIS
ANALYSIS
RESULTS
UNITS
DATE ANALYST"
Lead
0.007
mg/L
1217116
TSS
46.7
mg1L
12/1116 irg
Capper
0.022
mg/L
12/13/16
Zinc
1.54
mg/L
1216116
Oil & Grease
<5.6
mg/L
11/2116 jdg
LOG ID: 1611455 REPORTED BY: NC CERTIFIED LAB # 50
ff���F
Tony Gragg, Lab Supervisor

mRTffR6TjFCH LRR.S.Inc.
POST OFFICE BOX 1056 • #5 PINEWOOD PLAZA DR.
GRANITE FALLS, NORTH CAROLINA 28630
[phone]
SAMPLE: Corning Optical (005) COLLECTION DATE: 11/29/2016
PERMIT #: COLLECTION TIME: 13:38
ADDRESS: Corning Optical RECEIVED DATE: 11 /29/2016
P.O. Box 489 RECEIVED TIME. 10:26
Hickory, NC 28603-0489
REPORTED., ED: 12/15/2016
ANALYSIS
ANALYSIS
RESULTS
UNITS
DATE ANALYST
Lead
<0.003
mg1L
1217116
TSS
18.0
mg1L
12/1116 jrg
Copper
0.013
mg/L
12/13/16
Zinc
0.144
mg/L
1216/16
Oil & Grease
<5.6
mg/L
1112116 jdg
LOG ID: 1611-456 REPORTED BY: NCCERTIFIEDLAB ## 50
fvll�� ui
Tony Gragg, Lab Supervisor
t—. \l. {7Vh�YlJ 'IVV UIIV�4 yll iac:�"t\VII I\.I u�l•�v I"�v���� v�.�v.•.... �. ..�.. —.. ---.--
ral coa basic v i d

wi rmirEex umus.ln..
POST OFFICE 80; 1056 • #5 PINEWOOD PLAZA DR.
GRANITE FALLS, NORTH CAROLINA 28630
[phone]
SAMPLE: Corning Optical (005) COLLECTION DATE: 11/29/2016
PERMIT #: COLLECTION TIME: 13:38
ADDRESS: Corning Optical RECEIVED DATE: 11 /29/2016
P.O. Box 489 RECEIVED TIME: 10:26
Hickory, NC 28603-0489
REPORTED: 12/15/2016
ANALYSIS
ANALYSIS
RESULTS
UNITS
DATE ANALYST
Lead
<0.003
mg/L
1217116
TSS
18.0
mg/L
1211116 irg
Copper
0.013
mg!!_
12/13/16
Zinc
0.144
mg/L
1216/16
Oil & Grease
<5.6
mg1L
11/2116 jdg
LOG ID: 1611-456 REPORTED BY: NC CERTIFIED LAB # 50
fb� *
Tony Gragg, Lab Supervisor

M00
RESEARCh&ANALyTICA[
LA ORAT®RiESF ONC.
For: Water Tech Labs, Inc.
P.O. Box 1056
Granite Falls, NC 28630
Attn: Joe Gragg
Report of Analysis
12/14/2016
�• W : 'y L C1�4'
uJ NC 934 Z: N
NCU37701
Client Sample ID: Corning 001 Lab Sample 10: 27882-01
Site: Water Tech Labs Collection Date: 11/29/2016 1:14
Parameter Method Result Units Rep Limit Analyst Analysis DatelTime
Copper, Total SM 3113 B-2004 0.070 mg/L 0.002 KL 12/13/2016
Lead, Total SM 3113 B-2004 0.011 mg1L 0.003 KL 121712016
Zinc, Total EPA 200.7 1.11 mg/L 0.01 KL 12/6/2016
Client Sample ID: Corning 002 Lab Sample ID: 27882-02
Site: Water Tech Labs Collection Date: 11/29/2016 1:22
Parameter Method Result Units Rep Limit Analyst Analysis Date/Time
Copper, Total SM 3113 B-2004 0.044 mg/L 0,002 KL 12/13/2015
Lead, Total SM 3113 B-2004 0.010 mg/L 0,003 KL 12/712016
Zinc, Total EPA 2003 1.82 mg/L 0,01 KL 12/6/2016
Client Sample ID: Corning 003 Lab Sample 10; 27882-03
Site: Water Tech Labs Collection Date: 11/29/2016 1:19
Parameter Method Result Units Rep Limit Analyst Analysis DatelTime
Copper, Total SM 3113 B-2004 0.022 mg1L 0.002 KL 12/13/2016
Lead, Total SM 3113 B-2004 0.007 mg/L 0.003 KL 12/7/2016
Zinc, Total EPA 200.7 1,54 mg/L 0.01 KL 12/6/2016
Client Sample 1D: Corning 005 Lab Sample 1D: 27882-04
Site: Water Tech Labs Collection Date: 11/29/2016 1:38
Parameter Method Result Units Rep Limit Analyst Analysis „Date
l%ime
Copper, Total SM 3113 B-2004 0.013 mg/L 0,002 KL 12/13/2016
P.O. Box 473 106 Short Street Kernersville, North Carolina 27284 Tel: [phone] Fax: [phone] www.randalabs.com Page 1
tal coa basic .id

RESEARCh & ANA[y1riCAI Report of Analysis
QQ LABORATORIES, NC. 12/14/2016
000
Client Sample ID: Lab Sample ID:
Site: Collection Date: 1:38
Parameter Method Result Units Rep_Limit Anal (st Analysis DatelTima
Lead, Total SM 3113 B-2004 <0.003 mg/L 0.003 KL 12/7/2016
Zinc, Total EPA 200.7 0.144 mg1L 0.01 KL 12/6/2016
NA = not onalyzed
P.O. Box 473 106 Short Street Kernersville, North Carolina 27284 Tel: [phone] Fax: [phone] www.randalabs.com Page 2
ral coa basic vId

Wilr1r I j r ��, r r;CL, �1 r )S', I�nc�___.
5 Pinewood Plaza Drive -- P.O. Box 1056
Granite Falls, NC 28630
Phone [phone] — Fax [phone]
CLIENT: Wning Cable Systems-TC Pit
c/o Steve`Street
Box 489 '
Hickory, NC 28603-0489
PHONE NUMBER: 828-327-5000
TYPE SAMPLE: Stormwater
No. LOCATIONS: 4
SAMPLER NAME: 6Sfr&t4/'(C1'L
,:... Sam le Collection
Information
TYPE
CONTAINERS
ANALYSIS REQUIRED
SampWLocation
Facility'. Name
DATE
TIME
TEMP. °C
Grab!
composite
No.
Plastic!
Glass
Discharge 001
.l �io
O r i�
Grab
3
Plastic/
Glass
TSS, Oil & Gr., Lead, Copper, Zinc
Dischar e'002
g
16� 0(p
!
Grab
3
Plastic/
Glass
TSS, Oil & Gr., Lead, Copper, Zinc
pP
Discharge 003
!ljt�
�'
Grab
3
Plastic/
Glass
TSS, Oil & Gr., Lead, Copper, Zinc
Discharge 005
!^�
Grab
3
Plastic/
Glass
TSS, Oil & Gr., Lead, Copper, Zinc
Relinquished By:
Dat�e::�� C�r
�lll�r
Tiilme: I
l 6: �[
Recieved By;
1-1 �C k----
Date:
1 +-")Ci4
Time:
k U � L
Reli quished By:
Date:
Time:
Recei d By:
Date:
Time:
PRE ERVATlON:
j ool4°C
[�2SO4
[] N ON
03
j Dechlornating Agent
[] Other
SAMPLE TEMP. @ LAB (°C) , �+
Chlorine Residual rng/1
NC CERTIFIED LAB # 50

a
Hickory ring and
CORNINGSteve
Sr. EHS Coordinator Technology Center
f 828-901-5665
PO Box 489
[e-mail]
Hickory, NC 28603
www.corning.com
January 26th, 2017 N C (r b 3
North Carolina Department of Environmental Quality
Division of Energy, Mineral, and Land Resources 1VED
Attn: DWQ Central Files MM
1617 Mail Service Center FED Q i 2017
Raleigh, North Carolina 27699-1617
CENTRAL FILES
pWR SrCTION
Dear Sir/Madam:
Please find enclosed an original and one (1) copy of the Stormwater Discharge Monitoring
Report for Corning Optical Communications, LLC — Hickory Manufacturing and Technology
Center (HMTC) located in Hickory, Catawba County, North Carolina. The stormwater
samples were collected on 12/18/2016 for all permitted outfalls and represent the monthly
sample as specified in the Tier II requirements of HMTC's stormwater permit.
The results are mixed and reflect HMTC to be outside the benchmark value for the following
parameters:
• Copper — Stormwater Outfall 1, 2, and 3
• Lead — Stormwater Outfall 3
• Total Suspended Solids — Stormwater Outfall 3
• Zinc — Stormwater Outfall 1, 2, and 3
Additional attachments include the Laboratory Analytical Report, Chain -of -Custody, and
Qualitative Monitoring Report. Please contact me if you have any questions at 828-901-6695.
Sincerely,
Stephen L Street
Senior Environmental, Health and Safety Coordinator
attachments
© 2017 Corning Incorporated. All Rights Reserved.

Semi-annual Stormwater Discharge Monitoring Report
for North Carolina Division of Water Quality General Permit No. NCG030000
Date submitted: 01/26/2017
CERTIFICATE OF COVERAGE NO. N00030000
FACILITY NAME: Hickory Manufacturing and Technology Center
COUNTY: Catawba
PERSON COLLECTING SAMPLES: Rick Clark RECEIVE
LABORATORY: Water Tech Labs Lab Cert. # 50 Fa a
Comments on sample collection or analysis: Click here to enter text.
CENTRAL FILES
DWR S1rCTtON
Part A: Stormwater Benchmarks and Monitoring Results
SAMPLE COLLECTION YEAR: 2016
SAMPLE PERIOD ❑ Jan -June ❑ July -Dec
or ® Monthly'- Dec
DISCHARGING TO CLASS ❑ORW ❑HQW ❑Trout ❑PNA
❑Zero -flow ❑Water Supply ❑SA
❑Other
PLEASE REMEMBER TO SIGN ON PAGES 2 AND/OR 3 -)
❑ No discharge this period??
« 'v ,. -
'N.`+�.ash
,l.;1
a" :
,k ... .. -..:. -
l=ns l�
�_�... : � '
.Y 'R
YM• f%.- -tr:'K
�-. .; ' . -�-`
¢. � ,++'s.
-'?. 5, .wi
i.k' q- ..Y
.fir;, '�"Kf 3
lfr. -;`f3
. �
n.
r.�ss°=..
- -;-s .• �e�--
�'Nori�Polar
T = -
..
_�
;;Date Sample.
�, .�- .�-.
g24=hour-rainfall
.. �..
.;�� a _ r s , ...z ;
�
- .
a F `erg,
, ... L{ '.:
�, � � p �
�I
�vY.S _ .5
� ' d.
� � .
x =2 r
��, :.,�
�:,�.`a. •.r
-
�
Tota! T xi
o c.
A '
:Outfa I.No { .
y�
`
MaTota!^Sus
.,
ended�Solyds=
p ;s
;
. P �
'Standardsunits
R
. '
� °ate
.
Zinc
�
TotallP.etroleum
rx .. s
a �;_•,
Colie"cted,
a , . ,.
=+amount
„„ ram,
ya
-� ,"i
:
�- A
-.
�7M::
x �
Ate..
sFi r rbon
��
"�..
-c.
-
.. .
'.
yrj.,
,
e.�t.-.,Z lnches,s
4�
_
Y...:
:..�...z�
.Y
,s..��•E
7;..Imo/.,dd
=
y"yBenchmarks:= ->
�tfT+...:.r: �.
'" -��
\#• F 's'W�`��'�5�--i�..�.:�-
:._'-1"mPIL-
-"�.'eR'.'n _ 5'..caC •+'1:.
�jyq•�. ..-� ---�.
.Ri"� .°.ARaa?.dr P+C
: _ _ _
_ .,h�.i-
:..�:. _. 1 s1�.4-:'S'
_. ! 'y = -
4_ ...`.•.. *`. n&.
. Lr't,
?:ax,a R.x_xu?ac.-:rr
"
$i .. :._:-
_�... ,a.....a_a" __
'. ,-_�.
-_.-.. x,«:..�i� ..�:
_. .•.
1
12/18/16
.20"
23.3 mg/I
8.01
.011 mg/1
.004 mg/I
.278 mg/I
<5.6 mg/I
N/A
2
12/18/16
.20"
28.7 mg/I
7.29
.012 mg/1
.004 mg/1
.451 mg/I
<5.6 mg/I
N/A
3
12/18/16
.20"
169 mg/l
6.68
.044 mg/I
.053 mg/I
5.88 mg/I
<5.6 mg/I
N/A
5
1 12/18/16
.20"
16.4 mg/I
7.09
.005 mg/I
<.003 mg/1
.047 mg/I
<5.6 mg/I
N/A
1 Monthly sampling (instead of semi-annual) must begin with the second consecutive benchmark exceedance for the same parameter at the same outfall.
z For sampling periods with no discharge at any single outfall, you must still submit this discharge monitoring report with a checkmark here.
3The total precipitation must be recorded using data from an on -site rain gauge. Unattended sites may be eligible for a waiver of the rain gauge requirement.
4 See General Permit, Table 3 identifying the especially sensitive receiving water classifications where the more protective benchmark applies.
s Total Toxic Organics sampling is applicable only for those facilities which perform metal finishing operations, manufacture semiconductors, manufacture
-electronic crystals, or manufacture cathode ray tubes. For purposes of this permit the definition of Total Toxic Organics is that definition contained in the EPA
Effluent Guidelines for the facility subject to the requirement to sample (for metal finishing use the definition as found in 40 CFR 433.11; for semiconductor
manufacture use the definition as found in 40 CFR 469.12; for electronic crystal manufacture use the definition as found in 40 CFR 469.22; and for cathode ray
tube manufacture use the definition found in 40 CFR 469.31).
© 2017 Corning Incorporated. All Rights Reserved,
Permit Date: 11/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 1 of 3

Facilities that incorporate a solvent management plan into the Stormwater Pollution Prevention Plan may so certify, and the requirement for TTO monitoring
may be waived. The solvent management plan shall include a list of the total toxic organic compounds used and the other elements listed in the General
Permit. For those facilities electing to employ the TTO monitoring waiver, the discharger shall sign the following certification statement:
"Based upon my inquiry of the person or persons directly responsible for managing compliance with the permit monitoring requirement for total toxic organics
(TTO), i certify that to the best of my knowledge and belief, no dumping of concentrated toxic organics into the stormwater or areas which are exposed to rainfall or
stormwater runoff has occurred since filing the last discharge monitoring report. I further certify that this facility is implementing the all the provisions of the
solvent management plan included in the Stormwater Pollution Prevention Plan."
Name (Print name)
N/A
Title (Print title)
N/A
(Signature) (Date)
Note: Results must be reported in numerical format. Do not report Below Detection Limit, BDL, <PQL, Non -detect, ND, or other similar non -numerical
format. When results are below the applicable limits, they must be reported in the format "<XX m L" where XX is the numerical value of the detection
limit, reporting limit, etc. in mg/L.
Note: if you report a sample value in excess of the benchmark, you must implement Tier .1, Tier 1, or Tier responses. See General Permit text.
Part B: Vehicle Maintenance Area Monitoring Results: only for facilities averaging > 55 gal of new oil per month.
❑ No discharge this period?Z
aZ
Hour
Date Sample
24 rainfall
OutfallrNo
'Collected)
amount,
Non-polarO&G/TPH.by
Tota1.5uspended Solids
-
3
EPA.
- pH
(mo/dd/yr). _ ,,'.
- _;-i6e_s ; . _
1664 (SGT-1iEM) __
_ __.•, : _ __
t
Benchmark's = >
J
15 mg/L a
300 mg/l or 50 mg/L*'
6 0 ,9.0 sU
N/A
N/A
N/A
N/A
N/A
N/A
O 2017 Corning Incorporated, All Rights Reserved.
Permit Date: 11/1/2012-10/31/2017 SWU-245, last revised 10/2S/2012
Page 2 of 3

Footnotes from Part A also apply to this Part B
See General Permit text, Table 5, identifying the especially sensitive receiving water classifications where the more protective benchmark applies_
Note: If you report a sample value in excess of the benchmark, you must implement Tier 1, Tier 2, or Tier 3 responses. See General Permit text.
FOR PART A AND PART B MONITORING RESULTS:
• A BENCHMARK EXCEEDANCE TRIGGERS TIER 1 REQUIREMENTS. SEE PERMIT PART II SECTION B.
• 2 EXCEEDANCES IN A ROW FOR THE SAME PARAMETER AT THE SAME OUTFALL TRIGGER TIER 2 REQUIREMENTS. SEE PERMIT PART II SECTION B.
• TIER 3: HAS YOUR FACILITY HAD 4 OR MORE BENCHMARK EXCEEDANCES FOR THE SAME PARAMETER AT ANY ONE OUTFALL? YES ® NO❑
IF YES, HAVE YOU CONTACTED THE DWQ REGIONAL OFFICE? YES ® NO ❑
REGIONAL OFFICE CONTACT NAME: Several discussions and correspondence held with Mr. Samar Bou-Ghazale with the Mooresville reeional office.
Mail on original and one copy of this DMR, including all "No Discharge" reports, within 30 days of receipt of the lab results for at end of monitoring period
in the case o "No Dischar e" reports) to:
Division of Water Quality
Attn: DWQ Central Files
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
YOU MUST SIGN THIS CERTIFICATION FOR ANY INFORMATION REPORTED:
"I certify, under penalty of law, that this document and all attachments were prepared under my direction or supervision in accordance with a system designed to
assure that qualified personnel properly gather and evaluate the information submitted. Based on my inquiry of the person or persons who manage the system, or
those persons directly responsible for gathering the information, the information submitted is, to the best of my knowledge and belief, true, accurate, and complete
am aware that there are significant penalties for submitting false information, including the possibility of fines and imprisonment for knowing violations."
(Signature of Permittee)
(Date)
© 2017 Corning Incorporated. All Rights Reserved.
Permit Date: 11/1/2012-10/31/2017 SWU-24S, last revised 10/25/2012
Page 3 of 3

W
Semi-annual Stormwater Dischar a Monito ring Report
for North Carolina Division of Water Quality General Permit No. NCG030000
Date submitted: 11/08/2016
d30:?_ -4/(o
CERTIFICATE OF COVERAGE NO. NCG030000
FACILITY NAME: _Hickory Manufacturing and Technology Center
COUNTY: Catawba
PERSON COLLECTING SAMPLES: Steve Street
LABORATORY: Lab Cert. # Click here to enter text.
Comments on sample collection or analysis:
Part A: Stormwater Benchmarks and Monitoring Results
SAMPLE COLLECTION YEAR: 2016
SAMPLE PERIOD ❑ Jan -June ❑ July -Dec
or R Monthly'_-. Oct
DISCHARGING TO CLASS ❑ORW ❑HQW ❑Trout ❑PNA
RECEIVED ❑Zero -flow ❑Water Supply ❑SA
RECEIVED ❑Other
NOV 16 2016 PLEASE REMEMBER TO SIGN ON PAGES 2 AND/OR 3 4
CENTRAL. FILES .see al„eZ 1e�}er.,� Zrl�.15. r
DWR SECTION $LS IrJvrllo
[+� No discharge this period?Z
Date Sample
24-hour rainfall
pH,
Non -Polar O&G/Total
Toxic
Outfall No.
Collected'
amount,
Total Suspended Solids
Standard units
Copper
Lead
Zinc
Total Petroleum
Organicss
(mo/dd/yr)
Inches3
Hydrocarbons
Benchmarks
100 mg/L or 50 mg/0
6.0 — 9.0
0.007 mg/L
0.03 mg/L
0.067 mg/L
15 mg/L
1 mg/L
1
N/A
2
N/A
3
N/A
5
N/A
1 Monthly sampling (instead of semi-annual) must begin with the second consecutive benchmark exceedance for the same parameter at the same outfall.
2 For sampling periods with no discharge at any single outfall, you must still submit this discharge monitoring report with a checkmark here.
3 The total precipitation must be recorded using data from an on -site rain gauge. Unattended sites may be eligible for a waiver of the rain gauge requirement.
° See General Permit, Table 3 identifying the especially sensitive receiving water classifications where the more protective benchmark applies.
5 Total Toxic Organics sampling is applicable only for those facilities which perform metal finishing operations, manufacture semiconductors, manufacture
electronic crystals, or manufacture cathode ray tubes. For purposes of this permit the definition of Total Toxic Organics is that definition contained in the EPA
Effluent Guidelines for the facility subject to the requirement to sample (for metal finishing use the definition as found in 40 CFR 433.11; for semiconductor
manufacture use the definition as found in 40 CFR 469.12; for electronic crystal manufacture use the definition as found in 40 CFR 469.22; and for cathode ray
tube manufacture use the definition found in 40 CFR 469.31).
© 2016 Corning Incorporated. All Rights Reserved.
Permit Dat1/2012-10/31/2017
6
•
SWU-245, last revised /2012
Page 1 of 3 it

0-
Facilities that incorporate a solvent management plan into the Stormwater Pollution Prevention Plan may so certify, and the requirement for TTO monitoring
may be waived. The solvent management plan shall include a list of the total toxic organic compounds used and the other elements listed in the General
Permit. For those facilities electing to employ the TTO monitoring waiver, the discharger shall sign the following certification statement:
"Based upon my inquiry of the person or persons directly responsible for managing compliance with the permit monitoring requirement for total toxic organics
(TTO), I certify that to the best of my knowledge and Belief, no dumping of concentrated toxic organics into the Stormwater or areas which are exposed to rainfall or
stormwater runoff has occurred since filing the last discharge monitoring report. I further certify that this facility is implementing the all the provisions of the
solvent management plan included in the Stormwater Pollution Prevention Plan."
NIA
Name (Print name)
NIA
Title (Print title) w
N/A
(Signature)
(Date)
Note: Results must be reported in numerical format. Do not resort Below Detection Limit, BDL, <PQL, Non -detect, ND, or other similar non -numerical
format. When results are below the applicable limits, they must be reported in the format, "<XX mg/L where XX is the numerical value of the detection
limit, reporting limit, etc. in mg/L.
Note: If you report a sample value in excess of the benchmark, you must implement Tier 1, Tier 2, or Tier 3 responses. See General Permit text.
Part B: Vehicle Maintenance Area Monitoring Results: only for facilities averaging > 55 gal of new oil per month.
❑ No discharge this period?z
Outfall No.
Date Sample
Collected'
(mo/dd/yr)
24-hour rainfall
amount,
Inches3
Non -polar O&G/TPH by
EPA 1664 (SGT-HEM)
Total Suspended Solids
pH
Benchmarks =__>
_
-
15 mg/L
100 mg/L or 50 mg/L'
6.0 — 9.0 SU
N/A
N/A
N/A
N/A
N/A
N/A
O 2016 Corning Incorporated, All Rights Reserved.
SWU-245, last revised /2012
Page 2 of 3 6
Permit Dat1/2012-10/31/2017
0 -
•

Footnotes from Part A also apply to this Part B
* See General Permit text, Table 5, identifying the especially sensitive receiving water classifications where the more protective benchmark applies.
Note: if you report a sample value in excess of the benchmark, you must implement Tier 1, Tier 2, or Tier 3 responses. See General Permit text
FOR PART A AND PART B MONITORING RESULTS:
• A BENCHMARK EXCEEDANCE TRIGGERS TIER 1 REQUIREMENTS. SEE PERMIT PART Il SECTION B.
• 2 EXCEEDANCES IN A ROW FOR THE SAME PARAMETER AT THE SAME OUTFALL TRIGGER TIER 2 REQUIREMENTS, SEE PERMIT PART II SECTION B.
• TIER 3: HAS YOUR FACILITY HAD 4 OR MORE BENCHMARK EXCEEDENCES FOR THE SAME PARAMETER AT ANYONE OUTFALL? YES ®NO❑
IF YES, HAVE YOU CONTACTED THE DWQ REGIONAL OFFICE? YESPS NO ❑
REGIONAL OFFICE CONTACT NAME: Several discussions and correspondence held with Mr. Samar Bou-Ghazale with the Mooresville regional office.
Mail an original and one copy of this DMR including all "No Discharge" reports. within 3t7 days of receipt of the lab results for at end of monitoring period
in the case of "No Discharge" reports) to:
Division of Water Quality
Attn: DWQ Central Files
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
YOU MUST SIGN THIS CERTIFICATION FOR ANY INFORMATION REPORTED:
"I certify, under penalty of law, that this document and all attachments were prepared under my direction or supervision in accordance with a system designed to
assure that qualified personnel properly gather and evaluate the information submitted. Based on my inquiry of the person or persons who manage the system, or
those persons directly responsible for gathering the information, the information submitted is, to the best of my knowledge and belief, true, accurate, and complete.
am aware that there are significant penalties for submitting false information, including the possibility of fines and imprisonment for knowing violations."
cy lzz?/6
(Signature of Permittee)
(Date)
© 2016 Coming Incorporated. All Rights Reserved.
Permit Dat4/2012-10/31/2017
E
SWU-245, last revised 1 5/2012
Page 3 of 3

CORNING
November 81h. 2016
Reuben Cannon Hickory Manufacturing and t 828-901-5699
Plant Manager Technology Center f 828-901-6161
PO Box 489 reuben,[e-mail]
Hickory, NC 28603 www oorning,com
North Carolina Department of Environmental Quality
Division of Energy, Mineral, and Land Resources
Attn: DWQ Central Files
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
Dear Sir/Madam:
The purpose of this letter is to communicate that the Hickory Manufacturing and Technology
Center was unable to collect a stormwater sample for the month of October. Only one rain
event occurred during the month with the rain beginning around 1 am on 10/7/16. Due to the
safety concern of collecting stormwater samples during the night it was decided to wait until
the next rainfall event in hope that it would occur during daylight hours. Unfortunately, the
remainder of the month was dry and did not provide another opportunity to collect a sample.
Please contact me if you have any questions at 828-901-5699.
Sincerely,
Reuben Cannon
Plant Manager
attachments
cc: Dan Koehler
Randy Curtis
Steve Street
RECEIVED
NOV 16 zU,6
CENTRAL FILES
DWR SECTION
© 2016 Corning Incorporated. All Rights Reserved.

~ etve
reet Hickory
Coordinator Technology Ce CORNING SrEHSterring and f 828-901-5665
PQ Box 489 [e-mail]
Hickory, NC 28603 www.corning.com
UC(.,o3oay
October 7"', 2016
FILE North Carolina Department of Environmental Quality
Division of Energy, Mineral, and Land Resources REECEIVED
Attn: DWQ Central Files
1617 Mail Service Center OCT 2 4 2016
Raleigh, North Carolina 27699-1617 CENTRAL FILES
DWR SECTION
Dear Sir/Madam:
Please find enclosed an original and one (1) copy of the Stormwater Discharge Monitoring
Report for Corning Optical Communications, LLC — Hickory Manufacturing and Technology
Center (HMTC) located in Hickory, Catawba County, North Carolina. The stormwater
samples were collected on 9/01/2016 for all permitted outfalls and represent the monthly
sample as specified in the Tier lI requirements of HMTC's stormwater permit.
The results are mixed and reflect HMTC to be outside the benchmark value for the following
parameters:
• Copper— Stormwater Outfal1 1, 2, and 3
• TSS — Stormwater Outfall 1
• Zinc — Stormwater Outfall 1, 2, 3, and 5
Additional attachments include the Laboratory Analytical Report, Chain -of -Custody, and
Qualitative Monitoring Report. Please contact me if you have any questions at 828-901-6695.
Sincerely,
Stephen L Street
Senior Environmental, Health and Safety Coordinator
attachments
© 2016 Corning Incorporated. All Rights Reserved.

k
Semi-annual Stormwater Discharge Monitoring Report
for North Carolina Division of Water Quality General Permit No. NCG030000
Date submitted: 09/19/2016
U 00
CERTIFICATE OF COVERAGE NO. NCG030000 SAMPLE COLLECTION YEAR: Z016
FACILITY NAME: Hickory Manufacturing and Technolozy Center SAMPLE PERIOD ❑ Jan -June ❑ July -Dec
COUNTY: Catawba or ® Monthly'— Sept
PERSON COLLECTING SAMPLES: Steve Street DISCHARGING TO CLASS ❑ORW ❑HQW []Trout ❑PNA
LABORATORY: Water Tech Labs Lab Cert. 1# 50 ❑Zero -flow []Water Supply ❑SA
Comments on sample collection or analysis: ❑Other
Part A: Stormwater Benchmarks and Monitoring Results
PLEASE REMEMBER TO SIGN ON PAGES 2 AND/OR 3 -->
❑ No discharge this period?'
Date Sample
24-hour rainfall
pH,
Non -Polar O&G/
Total Toxic
Outfall No.
Collected'
amount,
Total Suspended Solids
Standard units
Copper
Lead
Zinc
Total Petroleum
Organicss
(mo/dd/yr)
Inches
Hydrocarbons
Benchmarks
_
-
100 mg/L or 50 mg/L
6.0 — 9.0
0.007 mg/L
0.03 mg/L
0.067 mg/L
15 mg/L
1 mg/L
1
9/01/16
.2"
135 mg/I
6.63
.026 mg/I
.010 mg/I
1.28 mg/I
<5.6 mg/I
N/A
2
9/01/16
X
29 mg/I
6.97
.008 mg/I
<.003 mg/I
.452 mg/I
<5.6 mg/I
N/A
3
9/01/16
X
44 mg/I
7.01
.011 mg/I
<.003 mg/I
.706 mg/I
<5.6 mg/I
N/A
5
9/01/16
.2"
42 mg/I
6.42
.005 mg/I
<.003 mg/I 1
.125 mg/I 1
<5.6 mg/I
N/A
Monthly sampling (instead of semi-annual) must begin with the second consecutive benchmark exceedance for the same parameter at the same outfall.
Z For sampling periods with no discharge at any single outfall, you must still submit this discharge monitoring report with a checkmark here.
3The total precipitation must be recorded using data from an on -site rain gauge. Unattended sites may be eligible for a waiver of the rain gauge requirement.
4 See General Permit, Table 3 identifying the especially sensitive receiving water classifications where the more protective benchmark applies.
5 Total Toxic Organics sampling is applicable only for those facilities which perform metal finishing operations, manufacture semiconductors, manufacture
electronic crystals, or manufacture cathode ray tubes. For purposes of this permit the definition of Total Toxic Organics is that definition contained in the EPA
Effluent Guidelines for the facility subject to the requirement to sample (for metal finishing use the definition as found in 40 CFR 433.11; for semiconductor
manufacture use the definition as found in 40 CFR 469.12; for electronic crystal manufacture use the definition as found in 40 CFR 469.22; and for cathode ray
tube manufacture use the definition found in 40 CFR 469.31).
© 2016 Corning Incorporated. All Rights Reserved.
Permit Date: 11/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 1 of 3

t
Facilities that incorporate a solvent management plan into the Stormwater Pollution Prevention Plan may so certify, and the requirement for TTO monitoring
may be waived. The solvent management plan shall include a list of the total toxic organic compounds used and the other elements listed in the General
Permit. For those facilities electing to employ the TTO monitoring waiver, the discharger shall sign the following certification statement:
"Based upon my inquiry of the person or persons directly responsible for managing compliance with the permit monitoring requirement for total toxic organics
(TTO), I certify that to the best of my knowledge and belief, no dumping of concentrated toxic organics into the stormwater or areas which are exposed to rainfall or
stormwater runoff has occurred since filing the last discharge monitoring report. I further certify that this facility is implementing the all the provisions of the
solvent management plan included in the Stormwater Pollution Prevention Plan."
N/A
Name (Print name)
N/A
Title (Print title)
NA _
(Signature)
(Date)
Note: Results must be reported in numerical format. Do not report Below Detection Limit, BDL, <PQL, Non -detect, ND, or other similar non -numerical
format. When results are below the applicable limits, they must be reported in the format, "<XX mg/L" where XX is the numerical value of the detection
limit, reporting limit, etc. in mg/L.
Note: if you report a sample value In excess of the benchmark, you must implement Tier 1, Tier 2, or Tier 3 responses. See General permit text.
Part B: Vehicle Maintenance Area Monitoring Results: only for facilities averaging > 55 gal of new oil per month.
❑ No discharge this period?Z
Outfall No.
Date Sample
Collected'
(mo/dd/yr)
24-hour rainfall
amount,
Inches3
Non -polar O&G/TPH by
EPA 1664 (SGT-HEM)
Total Suspended Solids
pH
Benchmarks ===>
_
-
15 mg/L
100 mg/L or 50 mg/L'
6.0 — 9.0 SU
N/A
N/A
N/A
N/A
N/A
N/A
© 2016 Corning Incorporated. All Rights Reserved.
Permit Date: 11/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 2 of 3

Footnotes from Part A also apply to this Part B
* See General Permit text, Table 5, identifying the especially sensitive receiving water classifications where the more protective benchmark applies.
Note: If you report a sample value in excess of the benchmark, you must implement Tier 1, rier 2, or Tier 3 responses. See General Permit text
FOR PART A AND PART B MONITORING RESULTS:
• A BENCHMARK EXCEEDANCE TRIGGERS TIER 1 REQUIREMENTS. SEE PERMIT PART It SECTION B.
• 2 EXCEEDANCES IN A ROW FOR THE SAME PARAMETER AT THE SAME OUTFALL TRIGGER TIER 2 REQUIREMENTS. SEE PERMIT PART II SECTION B.
• TIER 3: HAS YOUR FACILITY HAD 4 OR MORE BENCHMARK EXCEEDENCES FOR THE SAME PARAMETER AT ANY ONE OUTFALL? YES ® NO❑
IF YES, HAVE YOU CONTACTED THE DWQ REGIONAL OFFICE? YES ® NO ❑
REGIONAL OFFICE CONTACT NAME: Several discussions and correspondence held with Mr. Samar Bou-Ghazale with the Mooresville reeionai office.
Mail an original and one cony of this DMR including all "No Discharge" reports, within 30 days of receipt of the lob results for at end of monitoring period
in the case of "'No Discharge" reports) to:
Division of Water Quality
Attn: DWQ Central files
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
YOU MUST SIGN THIS CERTIFICATION FOR ANY INFORMATION REPORTED:
"I certify, under penalty of law, that this document and all attachments were prepared under my direction or supervision in accordance with a system designed to
assure that qualified personnel properly gather and evaluate the information submitted. Based on my inquiry of the person or persons who manage the system, or
those persons directly responsible for gathering the information, the information submitted is, to the best of my knowledge and belief, true, accurate, and complete
am aware that there are significant penalties for submitting false information, including the possibility of fines and imprisonment for knowing violations."
(Signature of Permittee)
{Date)
OO 2016 Corning Incorporated. All Rights Reserved.
Permit Date: 11/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 3 of 3

Semi-annual Stormwater Discharjee Monitoring Report
for North Carolina Division of Water Quality General Permit No. NCG030000
Date submitted: 09/19/2016
3a ;t �
CERTIFICATE OF COVERAGE NO. NCG030000
FACILITY NAME: Hickory Manufacturing and Technology Center
COUNTY: Catawba
PERSON COLLECTING SAMPLES: Steve Street
LABORATORY: Water Tech Labs Lab Cert. # 50
Comments on sample collection or analysis:
Part A: Stormwater Benchmarks and Monitoring Results
SAMPLE COLLECTION YEAR: 2016
SAMPLE PERIOD ❑ Jan -June ❑ July -Dec
C GG or ® Monthly' Aug
RCC E IU®UHARGING TO CLASS ❑ORW ❑HQW ❑Trout ❑PNA
S E P 2 31U l6 ❑Zero -flow [—]watersupply ❑SA
❑Other
GFNTRAL FUS
DWR SECTION PLEASE REMEMBER TO SIGN ON PAGES 2 AND/OR 3 4
❑ No discharge this period?z
Date Sample
24rainfall
pH,
Non-Polar O&G/hour
Total Toxic
outfall No.
Collected'
amount,
Total Suspended Solids
Standard units
Copper
Lead
Zinc
Total Petroleum
Organics
(mo/dd/yr)
Inches
Hydrocarbons
Benchmarks
100 mg/L or 50 mg/L
6.0 — 9.0
0.007 mg/L
0.03 mg/L
0.067 mg/L
15 mg/L
1 mg/L
1
9/21/16
.5"
30 mg/I
7.26
.043 mg/I
<.003 mg/I
.573 mg/I
<5.6 mg/I
N/A
2
8/21/16
.5"
56 mg/I
7.03
.020 mg/I
.005 mg/1
.760 mg/I
<5.6 mg/I
N/A
3
8/21/16
.5"
80 mg/I
7.21
.013 mg/I
.010 mg/1
1.24 mg/I
<5.6 mg/I
N/A
5
8/21/16
.5"
1 18.5 mg/I
1 7.20
<.002 mg/I 1
<.003 mg/I
.073 mg/I
<5.6 mg/I I
N/A
' Monthly sampling (instead of semi-annual) must begin with the second consecutive benchmark exceedance for the same parameter at the same outfall.
Z For sampling periods with no discharge at any single outfall, you must still submit this discharge monitoring report with a checkmark here.
3The total precipitation must be recorded using data from an on -site rain gauge. Unattended sites may be eligible for a waiver of the rain gauge requirement.
4 See General Permit, Table 3 identifying the especially sensitive receiving water classifications where the more protective benchmark applies.
5 Total Toxic Organics sampling is applicable only for those facilities which perform metal finishing operations, manufacture semiconductors, manufacture
electronic crystals, or manufacture cathode ray tubes. For purposes of this permit the definition of Total Toxic Organics is that definition contained in the EPA
Effluent Guidelines for the facility subject to the requirement to sample (for metal finishing use the definition as found in 40 CFR 433.11; for semiconductor
manufacture use the definition as found in 40 CFR 469.12; for electronic crystal manufacture use the definition as found in 40 CFR 469.22; and for cathode ray
tube manufacture use the definition found in 40 CFR 469.31).
© 2016 Corning incorporated. All Rights Reserved.
Permit bate: 11/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 1 of 3

Facilities that incorporate a solvent management plan into the Stormwater Pollution Prevention Plan may so certify, and the requirement for TTO monitoring
may be waived. The solvent management plan shall include a list of the total toxic organic compounds used and the other elements listed in the General
Permit. For those facilities electing to employ the TTO monitoring waiver, the discharger shall sign the following certification statement:
"Based upon my inquiry of the person or persons directly responsible for managing compliance with the permit monitoring requirement for total toxic organics
(TTO), I certify that to the best of my knowledge and belief, no dumping of concentrated toxic organics into the stormwater or areas which are exposed to rainfall or
stormwater runoff has occurred since filing the last discharge monitoring report. I further certify that this facility is implementing the all the provisions of the
solvent management plan included in the stormwater Pollution Prevention Plan."
N/A
Name (Print name)
NIA _
Title (Print title)
NIA
(Signature) (Date)
Note: Results must be reported in numerical format. Do not report Below Detection Limit, BDL, <PQL, Non -detect, ND, or other similar non -numerical
format. When results are below the applicable limits, they must be reported in the format. "<XX mg/L", where XX is the numerical value of the detection
limit, reporting limit, etc. in mg/L.
Note: if you report a sample value in excess of the benchmark, you must implement Ter 1, Trer 2, or rer 3 responses. See General permit text.
Part B: Vehicle Maintenance Area Monitoring Results: only for facilities averaging > 55 gal of new oil per month.
❑ No discharge this period?'
Outfall No.
Date Sample
Collected'
(mo/dd/yr)
24-hour rainfall
amount,
Inchee
Non -polar O&G/TPH by
EPA 1664 (SGT-HEM)
Total Suspended Solids
pH
Benchmarks = =>
-
-
15 mg/L
100 mg/L or 50 mg/L*
6.0 — 9.0 SU
N/A
N/A
N/A
N/A
N/A
N/A
m 2016 Corning Incorporated. All Rights Reserved.
Permit Date: 11/1/2012-10/31/2017 5WU-245, last revised 10/25/2012
Page 2 of 3

Footnotes from Part A also apply to this Part B
See General Permit text, Table 5, identifying the especially sensitive receiving water classifications where the more protective benchmark applies.
Note: ff you report a sample value in excess of the benchmark, you must implement rer 1, Ter 2, or rer 3 responses. See General Permit text.
FOR PART A AND PART B MONITORING RESULTS:
• A BENCHMARK EXCEEDANCE TRIGGERS TIER 1 REQUIREMENTS. SEE PERMIT PART II SECTION B.
• 2 EXCEEDANCES IN A ROW FOR THE SAME PARAMETER AT THE SAME OUTFALL TRIGGER TIER 2 REQUIREMENTS. SEE PERMIT PART 11 SECTION B.
• TIER 3: HAS YOUR FACILITY HAD 4 OR MORE BENCHMARK EXCEEDENCES FOR THE SAME PARAMETER AT ANY ONE OUTFALL? YES ® NO❑
IF YES, HAVE YOU CONTACTED THE DWQ REGIONAL OFFICE? YES ® NO ❑
REGIONAL OFFICE CONTACT NAME: Several discussions and correspondence held with Mr. Samar Bou-Ghazale with the Mooresville regional office.
Mail an original and one copes this DMIt including all "No Discharge" reports, within 30 days of receipt of the lob results (or at end of monitoring period
in the case of "No Discharge" reports) to: ^
Division of Water Quality
Attn: DWQ Central Files
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
YOU MUST SIGN THIS CERTIFICATION FOR ANY INFORMATION REPORTED:
"I certify, under penalty of law, that this document and all attachments were prepared under my direction or supervision in accordance with a system designed to
assure that qualified personnel properly gather and evaluate the information submitted. Based on my inquiry of the person or persons who manage the system, or
those persons directly responsible for gathering the information, the information submitted is, to the best of my knowledge and belief, true, accurate, and complete. I
am aware that there are significant penalties for submitting false information, including the possibility of fines and imprisonment for knowing violations."
(Signature of Permittee)
(Date)
© 2016 Corning Incorporated. All Rights Reserved,
Permit Date: 11/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 3 of 3

CO17 NTNG Steve Street
.L�.1�1 il�Sr EHS Coordinator
Hickory Manufacturing and t 828-901-6695
Technology Center f828-901-5665
PO Box 489 [e-mail]
Hickory, NC 28603 www.corning.com
PC 6- 03 0 a �/ (0
August 14th, 2016
RECEIVED
North Carolina Department of Environmental Quality AUG 2 3 Z016
Division of Energy, Mineral, and Land Resources CENTRAL FILES
Attn: DWQ Central Files DVVR SECTION
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
Dear Sir/Madam:
Please find enclosed an original and one (1) copy of the Stormwater Discharge Monitoring
Report for Corning Optical Communications, LLC — Hickory Manufacturing and Technology
Center (HMTC) located in Hickory, Catawba County, North Carolina. The stormwater
samples were collected on 6/27/2016 for all permitted outfalls and represent the monthly
sample as specified in the Tier II requirements of HMTC's stormwater permit.
The results are mixed and reflect HMTC to be outside the benchmark value for the following
parameters:
• Copper -- Stormwater Outfall 1, 2, 3, and 5
• TSS — Stormwater Outfall 1
• Zinc _.. Stormwater Outfall 1, 2, 3, and 5
Additional attachments include the Laboratory Analytical Report, Chain -of -Custody, and
Qualitative Monitoring Report. Please contact me if you have any questions at 828-901-6695.
Sincerely,
\1,k • �EN
Stephen L Street
Senior Environmental, Health and Safety Coordinator
attachments
@ 2016 Corning Incorporated. All Rights Reserved.

Semi-annual Stormwater Discharge Monitoring -Report
for North Carolina Division of Water Quality General Permit No. NCG030000
Date submitted: 08/14/2016
CERTIFICATE OF COVERAGE NO. NCG030000
FACILITY NAME: Hickory Manufacturing and Technology Center
COUNTY: Catawba
PERSON COLLECTING SAMPLES: Steve Street
LABORATORY: Water Tech Labs Lab Cert. # 50
Comments on sample collection or analysis: The discharge at SDO 1
contained a significant amount of gravel dust generated by the nearby
rock quarry.
Part A: Stormwater Benchmarks and Monitoring Results
SAMPLE COLLECTION YEAR; 2016
SAMPLE PERIOD ❑ Jan -June ❑ July -Dec
or ®Monthly' -June
DISCHARGING TO CLASS ❑ORW ❑HQW ❑Trout ❑PNA
❑Zero -flow ❑Water Supply []SA
❑Other
PLEASE REMEMBER TO SIGN ON PAGES 2 AND/OR 3 4
No discharge this period?2
Date Sample
24-hour rainfall
pH,
Non -Polar O&G/
Total Toxic
Outfall No.
Collected)
amount,
Total Suspended Solids
Standard units
Capper
Lead
Zinc
Total Petroleum
Organics
(mo/dd/yr)
Inches3
Hydrocarbons
Benchmarks
-
100 mg/L or 50 mg/L
6.0 - 9.o
0.007 mg/L
0.03 mg/L
0.067 mg/L
15 mg/L
1 mg/L
1
6/Z7/16
.4"
325 mg/I
6.23
.061 mg/I
.024 mg/i
1.90 mg/I
<5.6 mg/I
N/A
2
6/27/16
.4"
91.3 mg/I
6.78
.023 mg/I
.007 mg/1
.927 mg/I
<5.6 mg/I
N/A
3
6/27/16
.4"
59.0 mg/I
6.60
.016 mg/I
.007 mg/I
.590 mg/I
<5.6 mg/I
N/A
5
__....6/27/16—
.4"
12.0-mg/I
6:40
~- .008-mg/1—
-<:003-mg/I-
—080-mg/1-
<5.6-mg/i
N/A
1 Monthly sampling (instead of semi-annual) must begin with the second consecutive benchmark exceedance for the same parameter at the same outfall.
z For sampling periods with no discharge at any single outfall, you must still submit this discharge monitoring report with a checkmark here.
3The total precipitation must be recorded using data from an on -site rain gauge. Unattended sites may be eligible for a waiver of the rain gauge requirement.
4 See General Permit, Table 3 identifying the especially sensitive receiving water classifications where the more protective benchmark applies.
5 Total Toxic Organics sampling is applicable only for those facilities which perform metal finishing operations, manufacture semiconductors, manufacture
electronic crystals, or manufacture cathode ray tubes. For purposes of this permit the definition of Total Toxic Organics is that definition contained in the EPA
Effluent Guidelines for the facility subject to the requirement to sample (for metal finishing use the definition as found in 40 CFR 433.11; for semiconductor
manufacture use the definition as found in 40 CFR 469.12; for electronic crystal manufacture use the definition as found in 40 CFR 469.22; and for cathode ray
tube manufacture use the definition found in 40 CFR 469.31).
02016 Corning Incorporated. All Rights Reserved.
Permit Date: 11/112012-10/3112017 SWU-245, last revised 10/25/2012
Page 1 of 3

Facilities that incorporate a solvent management plan into the Stormwater Pollution Prevention Plan may so certify, and the requirement for TTO monitoring
may be waived. The solvent management plan shall include a list of the total toxic organic compounds used and the other elements listed in the General
Permit. For those facilities electing to employ the TTO monitoring waiver, the discharger shall sign the following certification statement:
"Based upon my inquiry of the person or persons directly responsible for managing compliance with the permit monitoring requirement for total toxic organics
(TTO), I certify that to the best of my knowledge and belief, no dumping of concentrated toxic organics into the stormwater or areas which are exposed to rainfall or
stormwater runoff has occurred since filing the last discharge monitoring report. I further certify that this facility is implementing the all the provisions of the
solvent management plan included in the Stormwater Pollution Prevention Plan."
N/A ,.
Name (Print name)
Title (Print title)
N/A
(Signature) ^
(Date)
Note: Results must be reported in numerical format. Do not report Below Detection Limit, BDL, <PQL, Non -detect, ND, or other similar non -numerical
format. When results are below the applicable limits, they must be reported in the format. "<XX me,(L", where XX is the numerical value of the detection
limit, reporting limit, etc. in mg/L.
Note: If you report a sample value in excess of the benchmark, you must implement Tier 1, Tier 2, or Tier 3 responses. See General Permit text.
Part B: Vehicle Maintenance Area Monitoring Results: only for facilities averaging > 55 gal of new oil per month.
❑ No discharge this period?2
OutfaEl No.
Date Sample
Collected'
(mo/dd/yr)
24-hour rainfall
amount,
Inches3
Non -polar O&G/TPH by
EPA 1664 (SGT-HEM)
Total Suspended Solids
pH
Benchmarks ===>
_
-
15 mg/L
100 mg/L or 50 mg/L*
6.0 — 9.0 SU
N/A
N/A
N/A
N/A
N/A
N/A
© 2016 Coming Incorporated. All Rights Reserved.
Permit Date: 11/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 2 of 3

Footnotes from Part A also apply to this Part B
" See General Permit text, Table S, identifying the especially sensitive receiving water classifications where the more protective benchmark applies.
Note., If you report a sample value in excess of the benchmark, you must Implement Tier 1, Tier 2, or rer 3 responses. See General Permit text.
FOR PART A AND PART B MONITORING RESULTS:
• A BENCHMARK EXCEEDANCE TRIGGERS TIER i REQUIREMENTS. SEE PERMIT PART 11 SECTION B.
• 2 EXCEEDANCES IN A ROW FOR THE SAME PARAMETER AT THE SAME OUTFALL TRIGGER TIER 2 REQUIREMENTS. SEE PERMIT PART 11 SECTION B.
• TIER 3: HAS YOUR FACILITY HAD 4 OR MORE BENCHMARK EXCEEDENCES FOR THE SAME PARAMETER AT ANY ONE OUTFALL? YES ® NO❑
IF YES, HAVE YOU CONTACTED THE DWQ REGIONAL OFFICE? YES ® NO ❑
REGIONAL OFFICE CONTACT NAME: Several discussions and correspondence held with Mr. Samar Bou-Ghazale with the Mooresville regional office.
Mail an original and one cony of this MR, including all "No Discharge" reports, within 30 days of receipt of the lab results for at end of monitorinq_period
in the case o "No Dischar e" re arts to:
Division of Water Quality
Attn: DWQ Central Files
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
YOU MUST SIGN THIS CERTIFICATION FOR ANY INFORMATION REPORTED:
"I certify, under penalty of law, that this document and all attachments were prepared under my direction or supervision in accordance with a system designed to
assure that qualified personnel properly gather and evaluate the information submitted. Based on my inquiry of the person or persons who manage the system, or
those-persons.directly-responsible-for-gathering-the-inforrnationi- the-information-submitted-is,-to-the-best-of-my-knowiedge-and-belief,-true,-accurate,-and-complete.-
7am:aware that t ere are si ificant pena jes for submitting false information, including the possibility of fines and imprisonment for knowing violations."
(Signature of Permittee)
(Date)
© 2016 Coming Incorporated. All Rights Reserved.
Permit Date: 11/1/2012-10/31/2017 SWU-24S, last revised 10/25/2012
Page 3 of 3

Il` CDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
For guidance on filling out this form, please visit: littp://portal.iicdeiii-.oi-g./web/wq/ws/su./npdessw#tab-4
Permit No.: N/C/ Q/-j/Q/Q/Q/Q/Q/ or Certificate of Coverage No.: Ni/C/G///—/—//—/
Facility Name: Hickory Manufacturing and Technology Center - Corning Optical Communications
County: CatoCata3ybg hone No.: 828-901-6695
Inspector: Steve Street
Date of inspection: 6/27/2016 RECEIVED
Time of Inspection: 16:1512
AUG 23 zags
Total Event Precipitation (inches):.4" CENTRAL FILES
DWR SECTION
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
® Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a 'representative storm
event"or "measureablestorm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event' is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 Hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event' is a Storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature, I certify that t4*eport is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
i
©2016 Corning Incorporated. All Rights Reserved.
Pagel of 2
SWU-242, Last modified 10/25/2012

1. Outfall Description:
putfall No. MO Structure (pipel ditch, etc.) Pine
Receiving Stream: Clar 's Creek
Describe the industrial activities that occur within the outfall drainage area: Reel storage, solid
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: o r w s li o
3. Odor: Describe any
weak chlorine odor, etc.): N
4. Clarity: Choose the num
clear and 5 is very cloudy:
odors that the discharge may have (i.e., smells strongly of oil,
which best describes the clarity of the discharge, where 1 is
11 2 0 4 5
S. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1�is no solids and 5 is the surface covered with floating solids:
I
01 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
7. Is there any foam in the
8. Is there an oil sheen in the
9. Is there evidence of
10. Other Obvious
List and describe:
2 3 ® 5
discharge? Yes
discharge? Yes No
or deposition at the outfall? Yes
of Stormwater Pollution: None
a
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
© 2016 Corning Incorporated. All Rights Reserved.
Page 2 of 2
SWU-242, Last modified 10/25/2012

Stormw
Qual
Forguidance on filling out this form,
Permit No.:
Facility Name: Hickory Manufi
County: Catawba
Inspector: Stevget
Date of Inspection: 6/27/2016
Time of Inspection: 1618
+t
4. , e e
AW-
IS I.
MCDENR
Discharge Outfall (SDO)
re Monitoring Report
visit: Imp: //nortai.ncdennorg/web/wq.lws/su/nudessw#tab-4
or Certificate of Coverage No.:
Total Event Precipitation (inches): A"
Was this a "Representative Storm
(See information below.)
® Yes ❑ No
: : •11 ..•
or "Measureable Storm Event" as defined by the permit?
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or ineasureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However, '
some permits do not have this requirement. Please refer to these definitions, if applicable.
! A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
01 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
I
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee !
obtains approval from the local DWQ Regional Office.
By this signature, I rtify th�this report is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
i
© 2016 Corning Incorporated. All Rights Reserved.
Pagel of 2
SWU-242, Last modified 10/25/2012

1. Outfall Description.
Outfall No. �1 Structure (pipe, ditch, etc.) Pine
Receiving Stream: Glaffs Creek
Describe the industrial activities that occur within the outfali drainage area: Solid waste containers
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Discharge was light gLay.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
g Y gY
weak chlorine odor, etc.): No odors were present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy-
1 3 4 5
5. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 ,,is no solids and 5 is the surface covered with floating solids:
02 3 4
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy,
1 2 0 4 5
7. Is there any foam in the stormwater discharge? Yes No
8. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion' I or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
I
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
02016 Coming incorporated. All Rights Reserved_
Page 2 of 2
SWU•242, last modified 10/25/2012

Storm
For guidance on filling out this form,
Permit No.:
Facility Name: k ufr
County: Catawba
Inspector: Stgve Strees
Date of Inspection: 6/2712016
Time of Inspection: JhL2.0
y ,�yy
I
MCDENR
�r Discharge Outfall (SDO)
tive Monitoring Report
visit: htt ortal.ncdenr.oi we w ws sti n dessw#ta -
or Certificate of Coverage No.:
a anti Torhnnlnmr r anhor _ r nrnina nnfirnl f nmmnnirofinv
Total Event Precipitation (inches):.4"
Was this a "Representative Storm
(See information below.)
®Yes ❑ No
1 . :1MILS1111 .. •
or "Measureable Storm Event" as defined by the permit?
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event', (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" isla storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature,) certify that this ieport is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
02016 Corning Incorporated. All Rights Reserved.
Page 1 of 2
SWU-242, last modified 10/25/2012

1. Outfall Description:
Outfali No. O Structure (pipe, ditch, etc.) Pine
Receiving Stream: Clar s-Creek
Describe the industrial activities that occur within the outfall drainage area: Reg-1t orage machine
shop. and_warehouse.
2. Color: Describe the color ofithe discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors; Discharge was light
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
1 �Z 3 4 5
S. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
11 Q 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge,, where 1 is no solids and 5 is extremely muddy:
1 Q 3 4 5
7. Is there any foam in the stormwater discharge? Yes No
8. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion' or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
I
© 2016 Coming Incorporated. All Rights Reserved.
Page 2 of 2
sWU-242, Last modified 10/25/2012

Sto
Quali
Forguidance on filling out this form,
Permit No.: N/C/ 0/
Facility Name: Hick(
MCDENR
ter Discharge Outfall (SDO)
ative Monitoring Report
visit: http://nortahiccienr.org,/web/wg/ws/su/n,pdes.sw#tab-4
or Certificate of Coverage No.:
a anrd Tarhnnlnav (antar _ r nrninv Ont-irol 1 nmm?inirnrini
County: Catawba Phone No.: 828-901-6695
Inspector: Steve Street
Date of Inspection: 612712016
Time of Inspection: 1 :24
Total Event Precipitation (inches): A"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
® Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 Hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature, I certify t� this i eport is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
I
O 2016 Coming Incorporated. All Rights Reserved.
Pagel of 2
SWU-242, Last modified 10/25/2012

1. Outfall Description:
Cutfall No. 004 Structure (p
Receiving Stream: Clark's Creek
Describe the industrial activities
only a warehouse.
2. Color: Describe the color
(light, medium, dark) as descriptc
ditch, etc.) Pipe
occur within the outfall drainage area: No industrial activities,
the discharge using basic colors (red, brown, blue, etc.) and tint
Color was clear.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of ail,
weak chlorine odor, etc.): No odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy: I
0 2 3 4 5
S. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
0 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge,here 1 is no solids and 5 is extremely muddy:
1wQ 3 4 5
7. Is there any foam in the stormwater discharge? Yes No
8. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
I
10. Other Obvious Indicators bf Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
© 2016 Coming Incorporated. All Rights Reserved.
Page 2 of 2
SWU-242, Last modified 10/25/2012

MCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
Forguidance on frlling out this farm, please visit: htt ot-tal.ncdenr. r web/M/ws/suliipdessw#tab-4
Permit No.: N1UV 3/Q/Q/Q/
Facility Name: Hickory Manufs
County: Catawba
Inspector: egul Travis
Date of Inspection: 6n12712016
Time of Inspection: 16:38
or Certificate of Coverage No.:
ff and TPrhnnlnuv (.Pntar — f nrnina rintiral ('nmmimirntin
Total Event Precipitation (inches):14"
Was this a "Representative Storm
(See information below.)
© Yes ❑ No
Please verify whether Qualitative
event" or "measureable storm evc
No.: 828-901-6695
or "Measureable Storm Event" as defined by the permit?
must be performed during a "representative storm
(requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requiirement Please refer to these definitions, if applicable.
A "representative storm event' is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 I ours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this sign re, I c fy that t� report is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
I
I
© 2016 Corning Incorporated. All Rights Reserved.
Page 1 of 2
5WU-242, Iasi modified 10/25/2012

1. Outfall Description:
Outfall No. 005 Structure (pipe, ditch, etc.) P. iDe
Receiving Stream: Clark's Crgek
Describe the industrial activities that occur within the outfall drainage area: Manufacture of fiber
optic cable and warehouse.
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Color was clear, _
3. Odor: Describe any distin I odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odorwas present
4. Clarity: Choose the numb
clear and 5 is very cloudy:
S. Floating Solids: Choose
which best describes the clarity of the discharge, where 1 is
2 3 4 5
number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
10 2 3 4 5
i
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge,�where 1 is no solids and 5 is extremely muddy:
0 2 3 4 5
7. Is there any foam in the stormwater discharge? Yes No
8. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
I
O 2016 Corning incorporated. All Rights Reserved.
Page 2 of 2
SWU-292, Last modified 10/25/2012

WR TIER TECH L RDS Inc
POS C PICE SOX 105E • =5 PINEWOOD PLAZA DP
GpaN! TE FALLS. NORTH CAROLINA 28630
(828) 3W>4444
SAMPLE., Corning Optical (001) COLLECTION DATE: 6/27/2016
PERMIT #: COLLECTION TIME: 16:15
ADDRESS: Corning Optical RECEIVED DATE: 6/28/2016
LOG ID: 1606-408 REPORTED BY: NC CERTIFIED LAB ## 50
fb� *
'Pony Gragg, Lab Supervisor

NOTES:
P.LETS
"—ML5
ML2
TE
ML2
— -----
VeA
4
T-T-- ML16
re WAREHOUSE
i ;j---RlL2r
ML4 a A 5
ML13
0
ML13
0-" R?
ML14
:--—
�
ML13 A�A
j
-00
NOT
FOR
CONSTRUCTION
0
I :ML11
.vrCA 6
f—Acr
mu
�A 2 ML
ML4
ML1
O
ML12
�A 7
WOOD PALLET
A
SW
AS
RIS
REV
DAT F
D+Ckppmm
By
GHK
AW,
—ML15,
1—MIL6
ML5
HL1
MIL
p nrenrNncr
ML3
:RCA 7 1
ML
ML4j 6,0
L—A
ML4 AaA I
J PRODUCTION RUIL OING
AW A I
E
--- -- --- ---
GREASE
11w
ro
LEGEN D
errs
WnT
MLI
IEKrry REELS
4L'
ML3
r IN15HED PRODUCT
CHILLWATIFF! SYSTEM
146 Rim Street Suite 220
ML4
17UJVSiOriMCRS
Gracnore, Swrh Carolina 29601
MLS
COMPACTORS
SynterraCorp.MM
MU6
ML7
SOLID WASTE
METAL RECYCLING
DKAWN by. s ARLEDGE IIATV. as/06/2I)I3
MU3
RAW MAI ERIAL M)RAGE
CHECKED BY. A SVEN� I DATE 05/06/2013.
M[9
EMIT! DRAMS
PROJECT PIANAGFR
f
ml le
RISIRVH)
LAYOUT NAML: 24X36 STORM WATER MAP
-7--- ---1
MLLI
RLSLRVED
ML 12
PWVAIIE
_j
ml 13
ATR CONDITIONING IILAT PUMPS
RTIl�TG
MI 14
LIQUID NITROGEN SIORAGE TANKS
CORNING CABLE SYSTEMS LLC
PLASTIC RESIN STORAGE SILOS
HICKORY MANUFACTURING
ML16
sm
SIORAI;t TANK
STORM D"FN OUTTALL
AND TECHNOLOGY
DRAIN - RWI
HICKORY, NORTH CAROLINA
DRAIN - GATE ACCP-MULE
STORM WATER POLLUTION
PROPERTYNE
T
i
CATM ROMNYV INL rE
(SWPPP) 9
("I
STORM DRAIN MANI101E
ISTORM DRAIN PIPE
STORM WATER
MAP
1DRAWING 0730105
SHEET
RIEVISION
c rill
I OF I
A

1
6,T ECH LR8S i;7r_.
I
?;a i1 F'Gti 60: 1056 - 9'5 `1NE'r 000 PLAZA DR.
C'rN !`_ FA.LL8, NORTH GAR.OUNA 2H3C:
[phone]
SAMPLE: Corning Optical (002) COLLECTION DATE' 6/27/2016
PERMIT #. COLLECTION TIME: 16:18
ADDRESS: Corning Optical RECEIVED DATE: 6/28/2016
P.Q. Box 489 I RECEIVED TIME: 11:37
LOG ID: 1606-409 REPORTED BY: NC CERTIFIED LAB # 50
fl *
Tony Gragg, Lab Supervisor

TLIWlti .
4.Ni17c =AL-S `JVRi�A CgRI.J:-'N.. 2363v
[phone]
SAMPLE., Corning Optical (003) COLLECTION DATE: 6/17/2016
PERMIT #: COLLECTION TIME: 16:20
ADDRESS: Corning Optical RECEIVED DATE: 6/28/2016
P.O. Box 489 RECEIVED TIME: 11:37
Hickory, NC 28603-0489
1 REPORTED: 7/26/2016

MR A TECH L RffS 1nC:.
?OS i -�FGE SOX f Ga PINFvIiOOD PLAZA Dz'
S. *iiiR T `' CAROUNA 2863C-
[phone]
SAMPLE: Corning Optical (005) COLLECTION DATE: 6/27/2016
PERMIT #: COLLECTION TIME 16:38
ADDRESS: Corning OpticaE RECEIVED DATE: 6/28/2016
P.O. Box 489 RECEIVED TIME 11:37
Hickory, NC 28603-0489

RESEARCh ANAIYTiCAI
Report of Analysis
LA
ORATORIES IN�l.
7/20/2016
;tii+r>I�uii+tI
b ANAty,
For: Water Tech Labs, Inc.
�. •+V CNq'%��•
P.O. Box 1056
Granite Falls, NC 28630
i ° �: us
�+A NC 434 Z
Attn: Jae Gragg
NC it37701
Zo
►�� C" •• �
[`
Client Sample ID: Corning 001
Lab Sample ID:
21229-01
Site: Water Tech Labs
Collection Date:
6/27/2016 16:15
Parameter Method
Result Units
Rep Limit Analyst Analysis DatelTimg i
Copper, Total SM 3113 13-2004
0,061 mg/L
0.002
KL 7/14/2016
Lead, Total SM 3113 B-2004
0.024 mg/L
0.003
KL 7/11/2016
Zinc, Total EPA 200.7
1,90 mg/L
0.01
KL 7/7/2016
Client Sample ID: Corning 002
Lab Sample ID:
21229-02
Site: Water Tech Labs
Collection Date:
6/27/2016 16:18
Parameter Method
I
Result Units
Rep Limit Analyst Analysis Date/Time
Copper, Total SM 3113 B-2004
0.023 mg/L
0.002
KL 7/14/2016
Lead, Total SM 3113 B-2004
0.007 mg/L
0.003
KL 7/11/2016
Zinc, Total EPA 200.7
0.927 mg/L
0.01
KL 7/7/2016
Client Sample 10: Corning 003 Lab Sample ID: 21229-03
Site: Water Tech Labs Collection Date: 6/27/2016 16:20
Parameter MethodI Result Units Rea Limit Analyst Analysis Date/Time
Copper, Total SM 3113 B-2004 0.016 mg/L 0.002 KL 7/14/2016
Lead, Total SM 3113 B-2004
Zinc, Total EPA 200.7
0.007 mg/L 0.003 KL 7/11 /2016
0,590 mg/L 0.01 KL 7/7/2016
Client Sample ID: Corning 005 Lab Sample ID: 21229-04
Site: Water Tech Labs Collection Date: 6/27/2016 16:38
Parameter Method Result gafta Rep Limit Analyst Analysis DatelTime 1
_ k I
Copper, Total SM 3113 B-2004 0.008 mg/L 0.002 KL 7/14/2016
P.O. Box 473 106 Short Street Kernersville, North Carolina 27284 Tel: [phone] Fax: [phone] www.randalabs.com Page 1

RESEARCh & ANAIYTiCA
Report
of Analysis
LA O RAT®Ri ES, IN
7/20/2016
Client Sample ID:
Lab Sample ID:
Site:
Collection Date:
16:38
Parameter
Method
Result Units Rep Limit Analyst Analysis Date/Time
Lead, Total
SM 3113 8-2004
<0.003 mg/L 0.003 T KL
7/11/2016
Zinc, Total
EPA 200.7
0.080 mg1L 0.01 KL
7/7/2016
NA = not analyzed
i
P.O. Box 473 106 Short Street Kernersville, North Carolina 27284 Tel: [phone] Fax: [phone] www.randalabs.com
Page 2

I
WATER TECH LABS, Inc.
I
5 Pinewood Plaza Drive - P.O. Box 1056
Granite Falls, NC 28630
Phone [phone] -- Fax [phone]
CLIENT: Corning Cable Systems-TC PIt PHONE NUMBER: 828-327-5000
c/o Steve Street TYPE SAMPLE: Stormwater
P.O Box 489 No. LOCATIONS: 4
Hickory, NC 28603-0489 i SAMPLER NAME:
Sample Collection
Information
TYPE
CONTAINERS
ANALYSIS REQUIRED
Sample Location
FacilityName
DATE
TIME
TEMP. °C
Grab!
Composite
No
Plasticl
Glass
Discharge 001
W1
�(�;
Grab
3
Plastic/
Glass
TSS, Oil & Gr., Lead, Co er, Zinc
pp
Discharge 002
j
I ��
J ,
Grab
3
Glass
TSS, Oil & Gr., Lead, Copper, Zinc
Discharge 003
Grab
3
Plastic/
Glass
TSS, Oil & Gr., Lead, Copper, Zinc
Discharge 005
c �'r !a
f6, 38
Grab
3
Plastic/
Glass
TSS, Oil & Gr., Lead, Copper, Zinc
I
f�
Rellnquishe
-
Date:
111
Time:
t'3�
Reciev By;
��
Date:
�_��_It..
Time:
1 t 3 7
RellInquished By:
Date:
Time:
Received By:
Date:
Time:
PRESERVATION:
0 4°C
2504
j J NaOH
jjt�03
[] Dechlornating Agent
j l other
SAMPLE TEMP. @ LAB (°C) L.�
Chlorine Residual —mgil
NC CERTIFIED LAB # 50

WRTERi ECH LRIP .Inc
POST OFFICE BOX 1056 • #5 PINEWOOD PLAZA DR. jv C'
GRANITE FALLS, NORTH CAROLINA 28630 J
[phone]
SAMPLE: Corning Optical (001) COLLECTION DATE: 8/21/2016
PERMIT #- COLLECTION TIME: 16:11
ADDRESS: Corning Optical RECEIVED DATE: 8/22/2016
P.O. Box 489 RECEIVED TIME: 11:53
Hickory, NC 28603-0489
REPORTED: 9/8/2016
>- - __ __�- -----
���-,---- ----ANALYSIS
-
----
---1
ANALYSIS
RESULTS
UNITS
DATE
ANALYST
'
Lead
<0.003
mg1L
8I30116
TSS
30.0
mg/L
8/25116
irg
Copper
0.043
mglL
8/29116
Zinc
0.573
mg1L
8130116
Oil & Grease
<5.6
mg/L
8126116
idg
SEP 2 3 2016
CENTRAL FILES
DWR SECTION
i
LOG ID., 1608-321 REPORTED BY: NC CERTIFIED LAB # 50
fcl�
Tony Gragg, Lab Supervisor

w irmirECH LAUSInc.
POST OFFICE BOX 1056 • #5 PINEWOOD PLAZA DR.
GRANITE FALLS, NORTH CAROLINA 28630
[phone]
SAMPLE: Corning Optical (002) COLLECTION DATE: 8/21/2016
PERMIT #: COLLECTION TIME: 16:16
ADDRESS: Corning Optical RECEIVED DATE: 8/22/2016
P.O. Box 489 RECEIVED TIME: 11:53
Hickory, NC 28603-0489
REPORTED: 9/8/2016
,. _- —_ - _
------ - -
---ANALYSIS ----
--
ANALYSIS
RESULTS
UNITS
DATE ANALYST
Lead
0.005
mg/L
8130/16
TSS
56.0
mg/L
8/25116 jrg
Copper
0.020
mg1L
8/29/16
Zinc
0.760
mg/L
8/30/16
Oil 8, Grease
<5.6
mg1L
8/26/16 jdg
LOG 1D: 1608-322 REPORTED BY: NC CERTIFIED LAB 4 50
fig*
Tony Gragg, Lab Supervisor

uRrER TECH LRBE.i...
POST OFFICE BOX 1056 • #5 PINEWOOD PLAZA DR.
GRANITE FALLS, NORTH CAROLINA 28630
[phone]
SAMPLE: Corning Optical (003) COLLECTION DATE: 8/21/2016
PERMIT #: COLLECTION TIME: 1619
ADDRESS: Corning Optical RECEIVED DATE: 8/22/2016
P.O. Box 489 RECEIVED TIME: 11:53
Hickory, NC 28603-0489
REPORTED: 9/8/2016
ANALYSIS
ANALYSIS
RESULTS
UNITS
DATE
ANALYST
Lead
0.010
mg/L
8130/16
TSS
80.0
mg/L
8125/16
jrg
Copper
0.013
mg/L
8129/16
Zinc
1.24
mg/L
8/30/16
Oil & Grease
<5.6
mg/L
8/26/16
jdg
i
LOG ID: 1608-323 REPORTED BY: NC CERTIFIED LAB # 50
fl�
Tony Gragg, Lab Supervisor

ldleiTiEl i ECH LOBE.-C.
POST OFFICE BOX 1056 • #5 PINEWOOD PLAZA DR.
GRANITE FALLS, NORTH CAROLINA 286,30
[phone]
SAMPLE Corning Optical (005) COLLECTION DATE: 8/21/2016
PERMIT #: COLLECTION TIME: 16:34
ADDRESS: Corning Optical RECEIVED DATE: 8/22/2016
P.O. Box 489 RECEIVED TIME: 11:53
Hickory, NC 28603-0489
REPORTED: 9/8/2016
ANALYSIS
ANALYSIS
RESULTS
UNITS
DATE ANALYST I
Lead
<0.003
mg1L
8130116
TSS
18.5
mg/L
8/25/16 irg
Copper
<0.002
mg/L
8/29/16
Zinc
0.073
mg/L
8/30/16
Oil 8, Grease
<5.6
mg/L
8126/16 jdg
LOG ID: 1608-324 REPORTED BY: NC CI RTIFIFD LAB # 50
fl� *
Tony Gragg, Lab Supervisor

RESEARCh & ANAIyTICA1
LAbORATORIES, INC.
For: Water Tech tabs, Inc.
P.O. Box 1056
Granite Falls, NC 28630
Attn: Joe Gragg
Report of Analysis
8/31 /2016
` �+�tlttlll�JJJ
Mtn NC434
NC 937701
J�hits11114
Client Sample ID: Corning 001 Lab Sample ID: 23739-01
Site: Water Tech Labs Collection Date: 8/21/2016 16.11
Parameter Method Result Units Rep Limit Analyst Analysis Date/Time
Copper, Total SM 3113 B-2004 0.043 mg1L 0.002 KL 8/29/2016
Lead, Total SM 3113 B-2004 <0.003 mg/L 0.003 KL 8/30/2016
Zinc, Total EPA 200.7 0.573 mg/L 0.01 KL 8/30/2016
Client Sample ID: Corning 002 Lab Sample ID: 23739-02
Site: Water Tech Labs Collection Date: 8/21/2016 16:16
Parameter Method Result Units Rep Limit An. alyst Analysis Date/Time
Copper, Total SM 3113 B-2004 0.020 mg/L 0.002 KL 8/29/2016
Lead, Total SM 3113 B-2004 0.005 mg/L 0.003 KL 8/30/2016
Zinc, Total EPA 200.7 0.760 mg/L 0.01 KL 8/30/2016
Client Sample ID: Corning 003 Lab Sample ID: 23739-03
Site: Water Tech Labs Collection Date: 8/21/2016 16:19
Parameter
Method
Result
Units
Rep Limit Analyst Analysis Date/Time
Copper, Total
SM 3113 B-2004
0.013
mg/L
0.002 KL 8/29/2016 T
Lead, Total
SM 3113 B-2004
0.010
mg/L
0.003 KL 8/30/2016
Zinc, Total
EPA 200.7
1,24
mg/L
0.01 KL 8130/2016
Client Sample ID: Corning 005 Lab Sample ID: 23739-04
Site: Water Tech Labs Collection Date: 8/21/2016 16:34
Parameter Method Result Units Rep Limit Analyst Analysis DatelTime
Copper, Total SM 3113 B-2004 <0.002 mg/L 0.002 KL 8129/2016
P.O. Box 473 106 Short Street Kernersville, North Carolina 27284 Tel: [phone] Fax: [phone] www,randalabs.com Page 1
ral coa basic r1 d

RESEARCh & ANA1yTICA1
Report
of Analysis
Ya.• ��'
LAbORATORiESi INC.
8/31/2016
Client Sample
ID:
Lab Sample ID:
Site:
Collection Date: 16:34
Parameter
Method
Result Units Rep Limit Analyst Analysis Daterrime
Lead, Total
SM 3113 B-2004
<0,003 mg/L 0.003 KL 8/30/2016
Zinc, Total
EPA 200.7
0.073 mg/L 0.01 KL 8/30/2016
NA = not analyzed
P.O. Box 473 106 Short Street Kernersville, North Carolina 27284 Tel: [phone] Fax: [phone] www.randalabs, com Page 2
raE coo basic; Od

Wi�ATER T'E-T---,,'C--..,'HAkBuS, I aric
5 Pinewood Plaza Drive - P.O. Box 1056
Granite Falls, NC 28630
Phone [phone] Fax [phone]
CLIENT: Corning Cable Systems-TC Pit
c/o Steve Street
P.O Box 489
Hickory, NC 28603-0489
PHONE NUMBER: 828-327-5000
TYPE SAMPLE: Stormwater
No. LOCATIONS: 4
SAMPLER NAME: S S4ree�-
Sam le Collection
Information
TYPE
CONTAINERS
ANALYSIS REQUIRED
Sample Location
FacilityName
PATE
TIME
TEMP. °C
Grab/
Composite
No
Plastic/
Glass
001 Dischar a
g
� ( al 1)6
x . f
Grab
3
Plastic/
Glass
TSS, Oil & Gr., Lead, Co er, Zinc
pp
002 Discharge
g
!
Lv
Grab
3
Plastic/
Glass
TSS, Oil & Gr., Lead, Copper, Zinc
pP
Discharge 003
`�
Grab
3
Plastic/
TSS, Oil & Gr., Lead, Copper, Zinc
Discharge 005
3
Grab
3
GlasPlastis'
TSS, Oil & Gr., Lead, Copper, Zinc
Relinquished By:
Date:
Time:
R ieved By;
Date:
Time:
Redriquished By:
Date:
Time:
Re c By:
D te:
Time:
PRES VA T1ON:
[ ool4°C
04
[ J, NaOH
�] Dechlornating Agent
�] Other
SAMPLE TEMP. @ LAB (°C)
Chlorine Residual mg/l
NC CERTIFIED LAB # 50

. I A
Semi-annual Stormwater Discharge Monitoring Report ycv
for North Carolina Division of Water Quality General Permit No. NCG030000
Date submitted: 09/02/2016
�C G 3 4 a+'j16 SAMPLE COLLECTION YEAR: 2016
CERTIFICATE OF COVERAGE NO. NCG030000 Q
FACILITY NAME: Hickory Manufacturing and Technology Center SAMPLE PERIOD ❑ Jan -June ❑ July -Dec
COUNTY: Catawba _ _ or ®Monthly' —July
PERSON COLLECTING SAMPLES: Steve Street RfteLflVtPLkHARGING TO CLASS ❑ORW ❑HQW []Trout ❑PNA
LABORATORY: Water Tech Labs Lab Cert. # 50 ❑Zero -flow ❑Water Supply ❑SA
Comments on sample collection or analysis: Click here to enter text.
S�� � � ��ls Other
Part A: Stormwater Benchmarks and Monitoring Results
CENTRAL. FILES
DWR SECTION PLEASE REMEMBER TO SIGN ON PAGES 2 AND/OR 3 4
❑ No discharge this period ?2
Date Sample
24-hour rainfall
pH,
Non -Polar O&G/
Total Toxic
Outfall No.
i
Collected
amount,
Total Suspended Solids
Standard units
Copper
Lead
Zinc
Total Petroleum
s
Organics
(mo/dd/yr)
Inches"
Hydrocarbons
Benchmarks===>
_
-
100 mg/L or 50 mg/L
6.0 — 9.0
0.007 mg/L
0.03 mg/L
0.067 mg/L-
15 mg/L
1 mg/L
1
7/22/16
.35"
146 mg/I
6.71
.062 mg/I
.024 mg/I
1.14 mg/1
<5.6 mg/I
N/A
2
7/2Z/16
.35"
84 mg/I
6.92
.394 mg/I
.082 mg/I
1.33 mg/I
<5.6 mg/I
N/A
3
7/Z2/16
.35"
62.0 mg/I
6.61
.037 mg/I
.007 mg/1
.754 mg/I
<5.6 mg/1
N/A
5
7/22/26
1 .35"
34.0 mg/I
6.07
.005 mg/I
1 <.003 mg/I
.081 mg/l
<5.6 mg/I
N/A
s Monthly sampling (instead of semi-annual) must begin with the second consecutive benchmark exceedance for the same parameter at the same outfall.
2 For sampling periods with no discharge at any single outfall, you must still submit this discharge monitoring report with a checkmark here.
3 The total precipitation must be recorded using data from an on -site rain gauge. Unattended sites may be eligible for a waiver of the rain gauge requirement.
° See General Permit, Table 3 identifying the especially sensitive receiving water classifications where the more protective benchmark applies.
5 Total Toxic Organics sampling is applicable only for those facilities which perform metal finishing operations, manufacture semiconductors, manufacture
electronic crystals, or manufacture cathode ray tubes. For purposes of this permit the definition of Total Toxic Organics is that definition contained in the EPA
Effluent Guidelines for the facility subject to the requirement to sample (for metal finishing use the definition as found in 40 CFR 433.11; for semiconductor
manufacture use the definition as found in 40 CFR 469.12; for electronic crystal manufacture use the definition as found in 40 CFR 469.22; and for cathode ray
tube manufacture use the definition found in 40 CFR 469.31).
© 2016 Corning Incorporated. All Rights Reserved.
Permit D16/1/2012-10/31/2017
SWLI-245, last revised 25/2012
Page 1 of 3

Footnotes from Part A also apply to this Part B
* See General Permit text, Table 5, identifying the especially sensitive receiving water classifications where the more protective benchmark applies.
Note: if you report a sample value in excess of the benchmark, you must implement Tier 1, ter 2, or Tier 3 responses. See General Permit text.
FOR PART A AND PART B MONITORING RESULTS:
• A BENCHMARK EXCEEDANCE TRIGGERS TIER 1 REQUIREMENTS. SEE PERMIT PART II SECTION B.
• 2 EXCEEDANCES IN A ROW FOR THE SAME PARAMETER AT THE SAME OUTFALL TRIGGER TIER 2 REQUIREMENTS. SEE PERMIT PART II SECTION B.
• TIER 3: HAS YOUR FACILITY HAD 4 OR MORE BENCHMARK EXCEEDENCES FOR THE SAME PARAMETER AT ANYONE OUTFALL? YES ®NO❑
IF YES, HAVE YOU CONTACTED THE DWQ REGIONAL OFFICE? YES® NO ❑
REGIONAL OFFICE CONTACT NAME: Several discussions and correspondence held with Mr. Samar Bou-Ghazale with the Mooresville regional office.
Mail an original and one copy of this DMR, including all "No Discharge" reports, within 30 days of receipt -of the lob results (or at end of monitoring Period
in the case of "No Discharge" reports) to:
Division of Water Quality
Attn: DWQ Central Files
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
YOU MUST SIGN THIS CERTIFICATION FOR ANY INFORMATION REPORTED:
"I certify, under penalty of law, that this document and all attachments were prepared under my direction or supervision in accordance with a system designed to
assure that qualified personnel properly gather and evaluate the information submitted. Based on my inquiry of the person or persons who manage the system, or
those persons directly responsible for gathering the information, the information submitted is, to the best of my knowledge and belief, true, accurate, and complete.
am aware that there are significant penalties for submitting false information, including the possibility of fines and imprisonment for knowing violations."
{Signature of Permitteel (Date)
Permit Dat/1/2012-10/31/2017
© 2016 Coming Incorporated. All Rights Reserved.
•
SWU-245, last revised 1 5/2012
6 Page 3 of 3

Facilities that incorporate a solvent management plan into the Stormwater Pollution Prevention Plan may so certify, and the requirement for TTO monitoring
may be waived. The solvent management plan shall include a list of the total toxic organic compounds used and the other elements listed in the General
Permit. For those facilities electing to employ the TTO monitoring waiver, the discharger shall sign the following certification statement:
"Based upon my inquiry of the person or persons directly responsible for managing compliance with the permit monitoring requirement for total toxic organics
(TTO), I certify that to the best of my knowledge and belief, no dumping of concentrated toxic organics into the stormwater or areas which are exposed to rainfall or
stormwater runoff has occurred since filing the last discharge monitoring report. I further certify that this facility is implementing the all the provisions of the
solvent management plan included in the Stormwater Pollution Prevention Plan."
N/A— --
Name (Print name)
Title (Print title)
N/A
(Signature) (Date)
Note: Results must be reported in numerical format. Do not resort Below Detection Limit, BDL, <PQL, Non -detect, ND, or other similar non -numerical
format. When results are below the applicable limits, they must be reRorted in the format. "<XX mg/L", where XX is the numerical value of the detection
limit, reporting limit, etc. in mg/L.
Note: If you report a sample value in excess of the benchmark, you must implement Tier I, firer 2, or Ter 3 responses. See General Permit text.
Part B: Vehicle Maintenance Area Monitoring Results: only for facilities averaging > 55 gal of new oil per month.
❑ No discharge this period?Z
Outfall No.
Date Sample
Collected"
(mo/dd/yr)
24=hour rainfall
amount,
Inches
Non -polar O&G/TPH by
EPA 1664 (SGT-HEM)
Total Suspended Solids
PH
Benrhmarks =_>
-
-
15 mg/L
100 mg/L or 50 mg/L*
6.0 — 9.0 SU
N/A
N/A
N/A
N/A
N/A
N/A
© 2016 Corning Incorporated. All Rights Reserved.
Permit Dai1/1/2012-10/31/2017
0
SWU-245, last revised5/2012
Page 2 of 3 6

CORNING
September 2nd, 2016
Steve Street Hickory Manufacturing and t 828-901-6695
Sr. EHS Coordinator Technology Center f 828-901-5665
PO Box 489 [e-mail]
Hickory, NC 28603 www.corning.com
North Carolina Department of Environmental Quality R E C- I V E D
Division of Energy, Mineral, and Land Resources SEP 12 2016
Attn: DWQ Central Files
1617 Mail Service Center CENTRAL FILES
Raleigh, North Carolina 27699-1617 DWR SECTION
Dear Sir/Madam:
Please find enclosed an original and one (1) copy of the Stormwater Discharge Monitoring
Report for Corning Optical Communications, LLC — Hickory Manufacturing and Technology
Center (HMTC) located in Hickory, Catawba County, North Carolina. The stormwater
samples were collected on 7/22/2016 for all permitted outfalls and represent the monthly;
sample as specified in the Tier 11 requirements of HMTC's stormwater permit.
The results are mixed and reflect HMTC to be outside the benchmark value for the following
parameters:
• Copper — Stormwater Outfall 1, 2, and 3
• Lead — Stormwater Outfall 2
• TSS — Stormwater Outfall 1
• Zinc — Stormwater Outfall 1, 2, 3, and 5
Additional attachments include the Laboratory Analytical Report, Chain -of -Custody, and
Qualitative Monitoring Report. Please contact me if you have any questions at 828-901-6695.
Sincerely,
Stephen L Street
Senior Environmental, Health and Safety Coordinator
attachments
@ 2016 Corning Incorporated. All Rights Reserved.

Alh
NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
For guidance on filling out this form, please visit. http://portal.ncdenr.org/web /wq /wsIsuinodessw#tab-4
Permit No.: or Certificate of Coverage No.: N/C/GA2/3/ 6y�21V/A,/
Facility Name: Hickory Manufacturing and Technology Center - Corning Optical Communications
County: Cgtawb,3 Phone No.: 828-901-6695 _
Inspector: Steve Street RECEIVED
Date of Inspection: 7122/2016
SAP 12 20i6
Time of Inspection: :13_0 pm
Total Event Precipitation (inches):"
CENTRAL FILES
DWR SECTION
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or 'measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
13y this signature, I c�Aify that this report is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
© 2016 Coming Incorporated. All Rights Reserved.
Page 1 of 2
5WU-242, Last modified 10/25/2012

1. Outfall Description:
Outfall No. 001 Structure (pipe, ditch, etc.) Pine
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: Reel storage, solid
waste containers designated for landfill, hazardous waste storage, and R&D building.
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Color was light brown.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present,
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
1 2 0 4 5
5. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
01 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
1 2 3 R 5
7. Is there any foam in the stormwater discharge? Yes
8. Is there an oil sheen in the stormwater discharge? Yes NH
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
© 2016 Corning Incorporated. All Rights Reserved.
Page 2 of 2
SWU-242, Last modified 10/25/2012

AUA
NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
For guidance on filling out this form, please visit: http://nortal.ncdennorg/web/wqf ws fsu/nodgssw#tab-4
Permit No.: N/C/ 0/ 3/Q/Q/Q/Q/Q/ or Certificate of Coverage No.: N/C/ j/0/ 3/qa/*/O
Facility Name: Hickory Manufacturing and Technology Center - Corning Optical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Steve Street RECEIV
Date of Inspection: 712212016 5 k P 12 2016
Time of Inspection: 3:13 pm
CI_=N-CRAL FILES
Total Event Precipitation (inches):.15" DWR SECTION
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
® Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureabie storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site out -fall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature, I cgtify that thi�eport is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
© 2016 Coming Incorporated. All Rights Reserved.
Pagel of 2
SWU-242, Last modified 10/25/2012

1. Outfall Description:
Outfall No. 002 Structure (pipe, ditch, etc.) Pine
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: Solid waste containers
designated_for_landfill._rn recycling container, and chemical storage area (covered).
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Discharge w s clear.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odors were present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
1 02 3 4 5
5. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
0 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
1 2 0 4 5
7. Is there any foam in the stormwater discharge? Yes No
8. Is there an oil sheen in the stormwater discharge? Yes H
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
© 2016 Corning Incorporated. All Rights Reserved.
Page 2 of 2
SWU-24Z, last modified 10/25/2012

ALIT, D-9; WA
NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
For guidance on filling out this form, please visit: httpm//portal.ncdenr.org/web/wq/ws/su/npdessw#tab-4
Permit No.: I�/C/ 0/ 3/0/0/0/0/0/ or Certificate of Coverage No.: N&/G/Q/--
Facility Name: Hickory Manufacturing and Technology Center - Corning Optical Commur
County: Catawba Phone No.: 828-901-6695
Inspector: Steve Street Date of Inspection: 712212016 k ElC I VE D
Time of Inspection: 3:16 pm SEP 12 2016
Total Event Precipitation (inches): JK
CENTRAL FILES
DWR SECTION
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
Please verify whether Qualitative Monitoring must be performed during a `representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signatu�, I cS�tify that this rSWt is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
© 2016 Corning Incorporated. All Rights Reserved.
Page 1 of 2
SWU-242, last modified 10/ZS/2012

I. Outfall Description:
Outfall No. 003 Structure (pipe, ditch, etc.) Pipe
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: Reel storage, machine
shop, and warehouse.
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Discharge was clear.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): N-o odor was rem
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
1 Q 3 4 5
5. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
1 0 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
1 2 0 4 5
7. Is there any foam in the stormwater discharge? Yes No
8. Is there an oil sheen in the stormwater discharge? Yes NH
9. is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
© 2016 Corning Incorporated. All Rights Reserved.
Page 2 of 2
SWU-242, Last modified 10/25/2012

Arj,�A RECEIVED
NCDENR SEP 1 Z z016
Stormwater Discharge Out#all (SDO) CENTRH, FILES
Qualitative Monitoring Report DWR SECTION
Forguidance on filling out this form, please visit: httn: //nortgl.aCdenr.org/web/wa /ws/su/npdessw#�t b-4
Permit No.: N/C/Q/Q/Q/0/0/0/0/ or Certificate of Coverage No.:
Facility Name: Hickory Mangf<
County: Catawba
Inspector: Steve Street
Date of Inspection: 712212016
.
Time of Inspection: 3:19 pm
Phone No.: 828-901-6695
Total Event Precipitation (inches):.35"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
I performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
I
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
€ 0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
f
A "measurable storm event" is a storm event that results in an actual discharge from the
1 permitted site outfall. The previous measurable storm event must have been at least 72 hours
i prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signatu I certify at this rep r is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
© 2016 Corning Incorporated. All Rights Reserved.
Page 1 of 2
SWU•242, fast modified 10/25/2012

1. Outfall Description:
Outfall No. 004 Structure (pipe, ditch, etc.) Pipe
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: No industrial activities,
only a warehouse.
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Color was clear.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
0 2 3 4 5
5, Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
0 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
1 2n 3 4 5
7. Is there any foam in the stormwater discharge? Yes 6
8. Is there an oil sheen in the stormwater discharge? Yes NH
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oii sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
© 2016 Corning Incorporated. All Rights Reserved.
Page 2 of 2
SWU-242, Last modified 10/25/2012

Inspector: Steve Street
Date of Inspection: 7/2212016
Time of inspection: 3: 1 pm
Total Event Precipitation (inches):.35"
NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
For guidance on filling out this form, please visit. hUp://portal.ncdenr.org/web/wq/ws/su/nndessw#tab-4
Permit No.: or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and Technology Center - Corning 012tical Communications
County: Catawba Phone No.: 828-901-6695
RECEIVED
SEP 12 2016
�EN T RAL FILES
DWR SECTION
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
® Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature, I citify that t4i� report is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
© 2016 Corning Incorporated. All Rights Reserved.
Pagel of 2
5WU-242, iAst modified 10/25/2012

1. Outfall Description:
Outfail No. 005 Structure (pipe, ditch, etc.) Pine
Receiving Stream: Clark Creek
Describe the industrial activities that occur within the outfall drainage area: Manufacture of fiber
optic cable and warehouse.
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Color was light grown.
I Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
1 2 4 5
5. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
Q 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
1 3 4 5
7. Is there any foam in the stormwater discharge? Yes No
8. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10, Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
© 2016 Corning Incorporated. All Rights Reserved.
Page 2 of 2
SWU-242, Cast modified 10/25/2012

1dRrER4rffrH LRIF.S Inc.
POST OFFICE BOX 1056 • #5 PINEWOOD PLAZA DR. f 1
GRANITE FALLS, NORTH CAROLINA 28630 � ✓ V L-31n
[phone]
SAMPLE: Corning Optical (001) COLLECTION DATE: 7/22/2016
PERMIT #: COLLECTION TIME: 15:10
ADDRESS: Corning Optical RECEIVED DATE: 7/22/2016
P.O. Box 489 RECEIVED TIME: 16:45
Hickory, NC 28603-0489
REPORTED: 8/23/2016
ANALYSIS
ANALYSIS
RESULTS
UNITS
DATE ANALYST
Lead
0.024
mg/L
815116
TSS
146
mg/L
7/26/16 irg
Copper
0.062
mg/L
8/18/16
Zinc
1.14
mg/L
8/3/16
Oil & Grease
<5.6
mg/L
7/29116 jdg
I
RECEIVED
SEP 12 2016
CENTRAL FILES
'-)WR SECTION
LOG ID., 1607-319 REPORTED BY: NC CERTIFIED LAB # 50
fl�
Tony Gragg, Lab Supervisor

14fiTERiTECH L#165.,nc.
POST OFFICE BOX 1056 • #5 PINEWOOD PLAZA DR.
GRANITE FALLS, NORTH CAROLINA 28630
[phone]
SAMPLE: Corning Optical (002) COLLECTION DATE:
7/22/2016
PERMIT #: COLLECTION TIME:
15:13
ADDRESS: Corning Optical RECEIVED DATE.
7/22/2016
P.O. Box 489
RECEIVED TIME:
16:45
Hickory, NC 28603-0489
REPORTED:
8/23/2016
ANALYSIS
ANALYSIS
RESULTS
UNITS
DATE ANALYST
Lead
0.082
mg/L
815116
TSS
84.0
m /L
9
7/26116 r
19
Capper
0,394
mg/L
8/18116
Zinc
1.33
mg/L
813116
Oil 8, Grease
<5.6
mg/L
7/29/16 jdg
LOG ID: 1607-320 REPORTED BY: NC CERTIFIED LAB # 50
fll�
Tony Gragg, Lab Supervisor

idju vi ECH LRH.S./w.
POST OFFICE BOx 1056 • #5 PINEWOOD PLAZA DR.
GRANITE FALLS, NORTH CAROLINA 28630
[phone]
SAMPLE: Corning Optical (003)
PERMIT #:
ADDRESS: Corning Optical
P.O. Box 489
Hickory, NC 28603-0489
COLLECTION DATE:
7/22/2016
COLLECTION TIME:
15:16
RECEIVED DATE:
7/22/2016
RECEIVED TIME:
16:45
REPORTED:
8/23/2016
-- -
ANALYSIS
ANALYSIS
RESULTS
UNITS .
DATE ANALYST
Lead
0.007
mg/L
815/16
TSS
62.0
mg/L.
7/26/16 jrg
Copper
0.037
mg/L
8118/16
Zinc
0.754
mg/L
813116
Oil & Grease
<5.6
mg/L
7/29/16 jdg
LOG ID: 1607-321 REPORTED BY: NC CERTIFIED LAB # 50
fv� *
Tony Gragg, Lab Supervisor

`d'immi ECH LRBS.I.C.
POST OFFICE BOX 1056 • ##5 PINEWOOD PLAZA OR.
GRANITE FALLS, NORTH CAROLINA 28630
[phone]
SAMPLE: Corning Optical (005) COLLECTION DATE: 7/2212016
PERMIT #: COLLECTION TIME.- 15:31
ADDRESS: Corning Optical RECEIVED DATE: 7/22/2016
P.O. Box 489 RECEIVED TIME: 16-145
Hickory, NC 28603-0489
REPORTED: 8/23/2016
-
i
ANALYSIS
ANALYSIS
RESULTS
UNITS
DATE _ ANALYST
Lead
<0.003
mg/L
815116
TSS
34.0
mg/L
7I26116 jrg
Copper
0.005
mg/L
8/18/16
Zinc
0.081
mglL
813116
Oil & Grease
<5.6
mg1L
7/29/16 jdg
LOG ID: 1607-322 REPORTED BY: NC CERTIFIED LAB # 5C
fa� *
Tony Gragg, Lab Supervisor

RESEARCh & ANA1yTiCA1
p LAbORATORiES, INC.
For: Water Tech Labs, Inc.
P.O. Box 1056
Granite Falls, NC 28630
Attn: Joe Gragg
Report of Analysis
8/18/2016
`11111,110180
0
to NC #34 �. ch
NC937701
+'Z.
`/; i0 M V%�
Client Sample 10: Coming 001 Lab Sample ID: 22451-01
Site: Water Tech Labs Collection Date: 7122/2016 15:10
Parameter Method Result Units Rep Limit Analyst Analysis DatelTime
Copper, Total SM 3113 B-2004 0.062 mg/L 0.002 KL 8/18/2016
Lead, Total SM 3113 B-2004 0.024 mg/L 0.005 KL 8/5/2016
Zinc, Total EPA 200.7 1.14 mg/L 0.01 KL 8/3/2016
Client Sample [0: Coming 002 Lab Sample ID: 22451-02
Site: Water Tech Labs Collection Date: 7/22/2016 15:13
Parameter Method Result Units Rep Limit Analyst Analysis DatelTime
Copper, Total SM 3113 B-2004 0.394 mg/L 0,002 KL 8/18/2016
Lead, Total SM 3113 B-2004 0.082 mg/L 0.005 KL 8/5/2016
Zinc, Total EPA 200.7 1.33 mg/L 0A1 KL 8/3/2016
Client Sample ID: Coming 003 Lab Sample ID: 22451-03
Site: Water Tech Labs Collection Date: 7/22/2016 15:16
Parameter Method Result Units Rep Limit Analyst Analysis Date/Time
Copper, Total SM 3113 8-2004 0.037 mg/L 0,002 KL 8/18/2016
Lead, Total SM 3113 8-2004 0.007 mg/L 0.005 KL 8/5/2016
Zinc, Total EPA 200.7 0.754 mg/L 0.01 KL 8/3/2016
Client Sample ID: Corning 005 Lab Sample ID: 22451-04
Site: Water Tech Labs Collection Date: 7/22/2016 15:31
Parameter Method Result Units Rep Limit Analyst Analysis Daterrime
Copper, Total SM 3113 B-2004 0.005 mg/L 0.002 KL 8/1812016
P.O. Box 473 106 Short Street Kemersville. North Carolina 27284 Tel: [phone] Fax: [phone] www.randalabs.com _ Page 1
,�I eua basic v1U

RESEARCh & ANA[yTICAI
0ce LAbORATORIES� INC.
coo
Report of Analysis
8/18/2016
Client Sample ID: Lab Sample ID:
Site: Collection Date: 15:31
Parameter Method Result Units Rep Limit Analyst Analysis Date/Time
Lead, Total SM 3113 B-2004 <0.003 mg/L 0.005 KL 8/5/2016
Zinc, Total EPA 200.7 0,081 mg/L 0.01 KL 8/3/2016
NA = not onolyzed
P,O. Box 473 106 Short Street Kemersvlle, North Carolina 27284 Tel: [phone] Fax: [phone] www,ranclalabs.com Page 2
rat roa aas�c vid

T-R '-C T L
WMAVT Erxl- T'Ea Rf .LAkRSI nric......,
5 Pinewood Plaza Drive - P.O. Box 1056
Granite Falls, NC 28630
Phone [phone] -- Fax [phone]
CLIENT: Corning Cable Systems-TC Pit PHONE NUMBER: 828-327-5000
c/o Steve Street TYPE SAMPLE: Stormwater
P.O Box 489 No. LOCATIONS: 4
Hickory, NC 28603-0489 SAMPLER NAME:
Sample Collection
Information
TYPE
CONTAINERS
ANALYSIS REQUIRED
Sample Location
FacilityName
DATE
TIME
TEMP. °C
Grab/
Composite
No
Plastic/
Glass
Discharge 001
7]1G
15i 10
Grab
3
PlastiGlass/
TSS, Oil & Gr., Lead, Copper, Zinc
Discharge 002
g
��13
Grab
3
Plastic/
Glass
TSS, Oil & Gr., Lead, Copper, Zinc
pp
Discharge 003
'��
Grab
3
Glass/
TSS, Oil & Gr., Lead, Copper, Zinc
Discharge 005
Grab
3
Glass/
TSS, Oil & Gr., Lead, Copper, Zinc
Relinquished By:
Date:
t
Time:
l�A
Recieved B
Date:
Time:
Relinq ished By:
wly"OLA�
Date:
? z
Time:
Rec ' ed
Date:
Time.
/v
PRESERVATION:
jl-Eeol 40C
s 4
I ] NaOH
f 1 rriv� 3
[] Dechlornating Agent
(j Other
SAMPLE TEMP. @ LAB (°C)��
Chlorine Residual rng/I
I
NC CERTIFIED LAB # 50

*410010[!1
June 21 ", 2016
Steve Street Hickory Manufacturing and t 828-901-6695
Sr. EHS Coordinator Technology Center f 828-901-5665
PO Box 489 steve.street@corning corn
Hickory, NC 28603 www.corning.com
North Carolina Department of Environmental Quality
RECEIVEAMI
U
JUN 28 2016
BEN TRAL FILES
DWR SECTION
Division of Energy, Mineral, and Land Resources
Attn: DWQ Central Files
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
Dear Sir/Madam:
Please find enclosed an original and one (1) copy of the Stormwater Discharge Monitoring
Report for Corning Optical Communications, LLC — Hickory Manufacturing and Technology
Center (HMTC) located in Hickory, Catawba County, North Carolina. The stormwater
samples were collected on 5/17/2016 for all permitted outfalls and represent the monthly
sample as specified in the Tier 11 requirements of HMTC's stormwater permit.
The results are mixed and reflect HMTC to be outside the benchmark value for the following
parameter:
« Zinc — Stormwater Outfal1 1, 2, and 3
Additional attachments include the Laboratory Analytical Report, Chain -of -Custody, and
Qualitative Monitoring Report. Please contact me if you have any questions at 828-901-6695.
Sincerely,
Stephen L Street
Senior Environmental, Health and Safety Coordinator
attachments
@ 2016 Corning Incorporated. All Rights Reserved.
�t
ae

Semi-annual Stormwater Discharge Monitoring Report
for North Carolina Division of Water Quality General Permit No. NCG030000
Date submitted: 06/21/2016
CERTIFICATE OF COVERAGE NO. NCG030000 30 a �/o
FACILITY NAME: Hickory Manufacturing and Technology Center
COUNTY: Catawba
PERSON COLLECTING SAMPLES: Paul Travis
LABORATORY: Water Tech Labs Lab Cert. # 50
Comments on sample collection or analysis:Click here to enter text.
Part A: Stormwater Benchmarks and Monitoring Results
SAMPLE_ COLLECTION YEAR: 2016
REC%:0�111E_IOD ❑ Jan -June ❑ July -Dec
�� or � Monthly'Ma
J U N ��d A GING TO CLASS ❑ORW ❑HQW ❑Trout ❑PNA
CENTRAL FILES ❑Zero -flow ❑Water Supply ❑SA
DWR SECTION ❑Other
PLEASE REMEMBER TO SIGN ON PAGES 2 AND/OR 3 -->
❑ No discharge this period?z
Date Sample
24-hour rainfall
pH,
Non -Polar O&G/Totat
Toxic
Outfall No.
Collected'
amount,
Total suspended Solids
Standard units
Copper
Lead
Zinc
Total Petroleum
Organics
(mo/dd/yr)
1nches3
Hydrocarbons
Benchmarks =__>
_
-
100 mg/L or 50 mg/L
6.0 — 9.0
0.007 mg/L
0.03 mg/L
0.067 mg/L
15 mg/L
1 mg/L
1
5/17/16
.3"
10 mg/I
7.23
.006 mg/I
<.003 mg/I
.114 mg/I
<5.6 mg/I
N/A
2
5/17/16
.3"
6.5 mg/I
7.10
.005 mg/I
<.003 mg/I
.277 mg/I
<5.6 mg/I
N/A
3
5/17/16
.3"
12.8 mg/I
7.68
.005 mg/I
<.003 mg/I
.251 mg/I
<5.6 mg/I
N/A
5
5/17/16
.3"
7.8 mg/I
7.54
1 <.002 mg/I
<.003 mg/I
.059 mg/I
<5.6 mg/I
N/A
' Monthly sampling (instead of semi-annual) must begin with the second consecutive benchmark exceedance for the same parameter at the same outfall.
2 For sampling periods with no discharge at any single outfall, you must still submit this discharge monitoring report with a checkmark here.
-'The total precipitation must be recorded using data from an on -site rain gauge. Unattended sites may be eligible for a waiver of the rain gauge requirement.
° See General Permit, Table 3 identifying the especially sensitive receiving water classifications where the more protective benchmark applies.
5 Total Toxic Organics sampling is applicable only for those facilities which perform metal finishing operations, manufacture semiconductors, manufacture
electronic crystals, or manufacture cathode ray tubes. For purposes of this permit the definition of Total Toxic Organics is that definition contained in the EPA
Effluent Guidelines for the facility subject to the requirement to sample (for metal finishing use the definition as found in 40 CFR 433.11; for semiconductor
manufacture use the definition as found in 40 CFR 469.12; for electronic crystal manufacture use the definition as found in 40 CFR 469.22; and for cathode ray
tube manufacture use the definition found in 40 CFR 469.31).
O 2016 Corning Incorporated. All Rights Reserved.
Permit Date: 11/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 1 of 3

Facilities that incorporate a solvent management plan into the 5tormwater Pollution Prevention Plan may so certify, and the requirement for TTO monitoring
may be waived. The solvent management plan shall include a list of the total toxic organic compounds used and the other elements listed in the General
Permit. For those facilities electing to employ the TTO monitoring waiver, the discharger shall sign the following certification statement:
"Based upon my inquiry of the person or persons directly responsible for managing compliance with the permit monitoring requirement for total toxic organics
(TTO), I certify that to the best of my knowledge and belief, no dumping of concentrated toxic organics into the stormwater or areas which are exposed to rainfall or
stormwater runoff has occurred since filing the last discharge monitoring report. I further certify that this facility is implementing the all the provisions of the
solvent management plan included in the Stormwater Pollution Prevention Plan."
N/A
Name (Print name)
N/A
Title (Print title)
N/A
(Signature) (Date)
Note: Results must be reported in numerical format. Do not report Below Detection Limit, BDL, <PQL, Non -detect, ND, or other similar non -numerical
format. When results are below the applicable limits, they must be reported in the format. "<XX me/L", where XX is the numerical value of the detection
limit, reporting limit, etc. in mg/L.
Note: If you report a sample value in excess of the benchmark, you must implement Tier 1, Tier 2, or Tier 3 responses. See General Permit team.
Part B: Vehicle Maintenance Area Monitoring Results: only for facilities averaging > 55 gal of new oil per month.
❑ No discharge this period?Z
Outfall No.
Date Sample
Collected'
(mo/dd/yr)
24-hour rainfall
amount,
Inches
Non -polar O&G/TPH by
EPA 1664 (SGT-HEM)
Total Suspended Solids
pH
Benchmarks =__>
-
-
15 mg/L
100 mg/L or 5o mg/L*
6.0 — 9.0 SU
N/A
N/A
N/A
N/A
N/A
N/A
© 2016 Corning Incorporated, All Rights Reserved.
Permit Date: 11/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 2 of 3

Footnotes from Part A also apply to this Part B
* See General Permit text, Table 5, identifying the especially sensitive receiving water classifications where the more protective benchmark applies.
Note: if you report a sample value in excess of the benchmark, you must implement Tier 1, Tier 2, or Tier 3 responses. See General Permit text.
FOR PART A AND PART B MONITORING RESULTS:
• A BENCHMARK EXCEEDANCE TRIGGERS TIER 1 REQUIREMENTS. SEE PERMIT PART II SECTION B.
• 2 EXCEEDANCES IN A ROW FOR THE SAME PARAMETER AT THE SAME OUTFALL TRIGGER TIER 2 REQUIREMENTS. SEE PERMIT PART II SECTION B.
• TIER 3: HAS YOUR FACILITY HAD 4 OR MORE BENCHMARK EXCEEDENCES FOR THE SAME PARAMETER AT ANY ONE OUTFALL? YES ® NO❑
IF YES, HAVE YOU CONTACTED THE DWQ REGIONAL OFFICE? YES ® NO ❑
REGIONAL OFFICE CONTACT NAME: Several discussions and correspondence held with Mr. Samar Bou-Ghazale with the Mooresville regional office.
Mail an on inal and one copy ot this DMR includin all "No Discharge" reports, within 30 days of receipt of the lab results or at end of monitoring eriod
in the case of "No Discharge" reports) to:
Division of Water Quality
Attn: DWQ Central Files
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
YOU MUST SIGN THIS CERTIFICATION FOR ANY INFORMATION REPORTED:
"I certify, under penalty of law, that this document and all attachments were prepared under my direction or supervision in accordance with a system designed to
assure that qualified personnel properly gather and evaluate the information submitted. Based on my inquiry of the person or persons who manage the system, or
those persons directly responsible for gathering the information, the information submitted is, to the best of my knowledge and belief, true, accurate, and complete
am aware that there are .gnificant p alties for submitting false information, including the possibility of fines and imprisonment for knowing violations."
(Signature of Permittee) (Date)
© 2016 Corning Incorporated. All Rights Reserved.
Permit Date: 11/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 3 of 3

&0
8-901-6(395
CORNING SrEEHStC otrdinator Technology CenterHickory Manufacturing and f828-901-5665
PO Box 489 [e-mail]
Hickory, NC 28603 www.corning,corn
June 21 St, 2016
North Carolina Department of Environmental Quality°°'%��� 0J6
Division of Energy, Mineral, and Land Resources �;°
Mooresville Regional Office °,�0/o1; >
Attn: Mr. Samar Bou-Ghazale 'k
610 East Center Avenue, Suite 301
Mooresville, NC 28115
Dear Bou-Ghazale:
Please find enclosed the Stormwater Discharge Monitoring Report for Corning Optical
Communications, LLC — Hickory Manufacturing and Technology Center (HMTC) located in
Hickory, Catawba County, North Carolina. The stormwater samples were collected on
5/17/2016 for all permitted outfalls and represent the monthly sample as specified in the Tier
11 requirements of HMTC's stormwater permit.
The results reflect HMTC to be outside the benchmark value for the following parameter:
a Zinc — Stormwater Outfall 1, 2, and 3
Please contact me if you have any questions at 828-901-6695.
Sincerely,
Stephen L Street
Senior Environmental, Health and Safety Coordinator
attachments
0 2016 Corning incorporated. All Rights Reserved.

Semi-annual Stormwater Discharge Monitoring Report
for North Carolina Division of Water Quality General Permit No. NCG030000
Date submitted: 06/21/2016
CERTIFICATE OF COVERAGE NO. NCG030000 SAMPLE COLLECTION YEAR: 2016
FACILITY NAME:.Hickm Manufacturine and Technology Cente MPLE PERIOD ❑ Jan -June ❑ July -Dec
COUNTY: Catawba or ® Monthly" — May
PERSON COLLECTING SAMPLES: Paul Travis JON DGING TO CLASS ❑ORW ❑HQW ❑Trout ❑PNA
LABORATORY: Water Tech Labs Lab Cert. # 50 2 7 -1 []Zero -flow ❑Water Supply []SA6
Comments on sample collection or analysis:Click 1wre to of enter t� /a� ARp ❑Other_
°O"eSY1ilieR
A Y �PLEASE REMEMBER TO SIGN ON PAGES 2 AND/OR 3
ea ctr° 1
Part A: Stormwater Benchmarks and Monitoring Results ice
❑ No discharge this period?Z
Date Sample
24-hour rainfall
pH,
Non -Polar O&G/Total
Toxic
Outfall No.
Collected"
amount,
Total Suspended Solids
Standard units
Copper
Lead
Zinc
Total Petroleum
Organics$
(mo/dd/yr)
Inches3
Hydrocarbons
Benchmarks ===>
-
-
100 mg/L or 50 mg/L
6.0 — 9.0
0.007 mg/L
0.03 mg/L
0.067 mg/L
15 mg/L
1 mg/L
1
5/27/16
.3"
10 mg/I
7.23
.006 mg/I
<.003 mg/1
.114 mg/I
<5.6 mg/I
N/A
2
5/17/16
.3"
6.5 mg/I
7.10
.005 mg/I
<.003 mg/I
.277 mg/I
<5.6 mg/I
N/A
3
5/17/16
.3"
12.8 mg/I
7.68
.005 mg/I
<.003 mg/I
.251 mg/I
<5.6 mg/I
N/A
5
_5/17/16—
.3"
7.8 mg/I
7.54
<.002 mg/I
<.003 mg/I
.059 mg/1
<5.6 mg/I
N/A
" Monthly sampling (instead of semi-annual) must begin with the second consecutive benchmark exceedance for the same parameter at the same outfall.
Z For sampling periods with no discharge at any single outfall, you must still submit this discharge monitoring report with a checkmark here.
3The total precipitation must be recorded using data from an on -site rain gauge. Unattended sites may be eligible for a waiver of the rain gauge requirement.
4 See General Permit, Table 3 identifying the especially sensitive receiving water classifications where the more protective benchmark applies.
s Total Toxic Organics sampling is applicable only for those facilities which perform metal finishing operations, manufacture semiconductors, manufacture
electronic crystals, or manufacture cathode ray tubes. For purposes of this permit the definition of Total Toxic Organics is that definition contained in the EPA
Effluent Guidelines for the facility subject to the requirement to sample (for metal finishing use the definition as found in 40 CFR 433.11; for semiconductor
manufacture use the definition as found in 40 CFR 469.12; for electronic crystal manufacture use the definition as found in 40 CFR 469.22; and for cathode ray
tube manufacture use the definition found in 40 CFR 469.31).
© 2016 Corning Incorporated. All Rights Reserved.
Permit Date: 11/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 1 of 3

Facilities that incorporate a solvent management plan into the Stormwater Pollution Prevention Plan may so certify, and the requirement for TTO monitoring
may be waived. The solvent management plan shall include a list of the total toxic organic compounds used and the other elements listed in the General
Permit. For those facilities electing to employ the TTO monitoring waiver, the discharger shall sign the following certification statement:
"Based upon my inquiry of the person or persons directly responsible for managing compliance with the permit monitoring requirement for total toxic organics
(TTO), I certify that to the best of my knowledge and belief, no dumping of concentrated toxic organics into the stormwater or areas which are exposed to rainfall or
stormwater runoff has occurred since filing the last discharge monitoring report. I further certify that this facility is implementing the all the }provisions of the
solvent management plan included in the Stormwater Pollution Prevention Plan."
N/A _
Name (Print name)
Title (Print title)
(Signature)
(Date)
Note: Results must be reported in numerical format. Do not report Below Detection Limit, BDL, <PQL, Note -detect, ND, or other similar non -numerical
format. When results are below the applicable limits, they must be reported in the format, "<XX me/L", where XX is the numerical value of the detection
limit, reporting limit, etc. in mg/L.
Note. If you report a sample value in excess of the benchmark, you must implement Tier 1, Tier 2, or Tier 3 responses. See General Permit text.
Part B: Vehicle Maintenance Area Monitoring Results: only for facilities averaging > 55 gal of new oil per month.
❑ No discharge this period:
Outfall No.
Date Sample
Collected'
{mo/dd/yr)
24-hour rainfall
amount,
Inches3
Non -polar O&G/TI'H by
EPA 1664 (SGT-HEM)
Total Suspended Solids
pH
Benchmarks =__>
_
-
15 mg/L
100 mg/L or 50 mg/L*
6.0 — 9.0 SU
N/A
N/A
N/A
N/A
N/A
N/A
© 2016 Corning Incorporated. All Rights Reserved.
Permit Date: 11/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 2 of 3

Footnotes from Part A also apply to this Part B
* See General Permit text, Table 5, identifying the especially sensitive receiving water classifications where the more protective benchmark applies.
Note: if you report a sample value in excess of the benchmark, you must implement Tier 1, Trer 2, or Tier 3 responses. See General Permit text
FOR PART A AND PART B MONITORING RESULTS:
• A BENCHMARK EXCEEDANCE TRIGGERS TIER 1 REQUIREMENTS, SEE PERMIT PART II SECTION B.
• 2 EXCEEDANCES IN A ROW FOR THE SAME PARAMETER AT THE SAME OUTFALL TRIGGER TIER 2 REQUIREMENTS. SEE PERMIT PART 11 SECTION B.
• TIER 3: HAS YOUR FACILITY HAD 4 OR MORE BENCHMARK EXCEEDENCES FOR THE SAME PARAMETER AT ANYONE OUTFALL? YES ®NO❑
IF YES, HAVE YOU CONTACTED THE DWQ REGIONAL OFFICE? YES® NO ❑
REGIONAL OFFICE CONTACT NAME: Several discussions and correspondence held with Mr. Samar Bou-Ghazale with the Mooresville regional office.
Mail an ari final and one _copy of this DMAL includingall "No Discharge" reports within 30 days of receipt of the lab results for at end of_monitorinct period
in the case of "No Discharge" reports) to:
Division of Water Quality
Attn: DWQ Central Files
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
YOU MUST SIGN THIS CERTIFICATION FOR ANY INFORMATION REPORTED:
"I certify, under penalty of law, that this document and all attachments were prepared under my direction or supervision in accordance with a system designed to
assure that qualified personnel properly gather and evaluate the information submitted. Based on my inquiry of the person or persons who manage the system, or
those -persons -directly -responsible -forgathering -the- information,-the-information-submitted-is,-to-the-best.of my-knowledge.and-belief,-true,-accurate,-and. comp lete._1
am aware that there are significant penalties for submitting false information, including the possibility of fines and imprisonment for knowing violations."
(Signature of Permittee) (Date)
© 2016 Corning Incorporated. Ali Rights Reserved.
Permit Date: 11/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 3 of 3

AD
Semi-annual Stormwater Discharge Monitoring Report 7,100,
for North Carolina Division of Water Quality General Permit No. NCG030000
Date submitted: 06/01/2016
CERTIFICATE OF COVERAGE NO. NCG030000
FACILITY NAME: Hickory Manufacturing and Technology Center
COUNTY: Catawba
PERSON COLLECTING SAMPLES: Steve Street
LABORATORY: Water Tech Labs Lab Cert. # SD
Comments on sample collection or analysis: The amount of pollen in
the discharge at SDO #2 was much higher than the other outfalls.
There was a noticeable visual difference in the amount of pollen
resulting in a TSS value that exceeded the benchmark parameter.
Part A: Stormwater Benchmarks and Monitoring Results
%a SAMPLE COLLECTION YEAR: 2016
SAMPLE PERIOD ❑ Jan -June ❑ July -Dec
or ® Y Monthl 1— A r —�
DISCHARGING TO CLASS ❑ORW ❑HQW ❑Trout ❑PNA
❑Zero -flow ❑Water Supply [:]SARECEIVED —]Other
JUN 0 7 2016 PLEASEAEMEMBERTO SIGN ON PAGES 2 AND/OR 3 4
CENTRAL FILES
DWR SECTION�1
❑ No discharge this period?'
Date Sample
24-hour rainfall
pH.
Non -Polar O&G/
Total Toxic
Outfall No.
Collected'
amount,
Total Suspended Solids
Standard units
Copper
Lead
Zinc
Total Petroleum
Organics
(mo/dd/yr)
Inches3
Hydrocarbons
Benchmarks -_->
-
-
100 mg/L or 50 mg/L
6.0 — 9.0
0.007 mg/L
0.03 mg/L
0.067 mg/L
15 mg/L
i mg/L
1
4/12/16
.12"
10.7 mg/I
7.13
.010 mg/I
<.003 mg/I
.189 mg/I
<5.6 mg/I
N/A
2
4/12/16
.12"
20 mg/I
7.22
.011 mg/I
.004 mg/I
.501 mg/I
<5.6 mg/I
N/A
3
4/12/16
.12"
19.5 mg/I
7.22
.008 mg/I
.003 mg/I
.448 mg/I
<5.6 mg/I
N/A
5
4/12/16
.12"
10 mg/l
7.59
<.002 mg/1
<.003 mg/I
.060 mg/I
<5.6 mg/I
N/A
' Monthly sampling (instead of semi-annual) must begin with the second consecutive benchmark exceedance for the same parameter at the same outfall.
z For sampling periods with no discharge at any single outfall, you must still submit this discharge monitoring report with a checkmark here.
'The total precipitation must be recorded using data from an on -site rain gauge. Unattended sites may be eligible for a waiver of the rain gauge requirement.
4 See General Permit, Table 3 identifying the especially sensitive receiving water classifications where the more protective benchmark applies.
5 Total Toxic Organics sampling is applicable only for those facilities which perform metal finishing operations, manufacture semiconductors, manufacture
electronic crystals, or manufacture cathode ray tubes. For purposes of this permit the definition of Total Toxic Organics is that definition contained in the EPA
Effluent Guidelines for the facility subject to the requirement to sample (for metal finishing use the definition as found in 40 CFR 433.11; for semiconductor
manufacture use the definition as found in 40 CFR 469.12; for electronic crystal manufacture use the definition as found in 40 CFR 469.22; and for cathode ray
tube manufacture use the definition found in 40 CFR 469.31).
© 2016 Corning Incorporated. All Rights Reserved.
Permit Date: 11/1/2012-10/31/2017 5WU-245, last revised 10/25/2012
Page 1 of 3

Facilities that incorporate a solvent management plan into the 5tormwater Pollution Prevention Plan may so certify, and the requirement for TTO monitoring
may be waived. The solvent management plan shall include a list of the total toxic organic compounds used and the other elements listed in the General
Permit. For those facilities electing to employ the TTO monitoring waiver, the discharger shall sign the following certification statement:
"Based upon my inquiry of the person or persons directly responsible for managing compliance with the permit monitoring requirement for total toxic organics
(TTO), I certify that to the best of my knowledge and belief, no dumping of concentrated toxic organics into the stormwater or areas which are exposed to rainfall or
stormwater runoff has occurred since filing the last discharge monitoring report. I further certify that this facility is implementing the all the provisions of the
solvent management plan included in the 5tormwater Pollution Prevention Plan."
N/A
Name (Print name)
N/A
Title (Print title)
(Signature)
(Date)
Note: Results must be reported in numerical format. Do not report Below Detection Limit, BDL, <PQL, Non -detect, ND, or other similar non -numerical
format. When results are below the applicable limits, they must be reported in the format "<XX m L" where XX is the numerical value of the detection
limit, reporting limit, etc. in mg/L.
Note: if you report a somple value in excess of the benchmark, you must implement Tier 1, Tier 2, or Tier 3 responses. See General permit text.
Part 13: Vehicle Maintenance Area Monitoring Results: only for facilities averaging > 55 gal of new oil per month.
❑ No discharge this period?2
Outfall No.
Date Sample
Collected"
(mo/dd/yr)
24-hour rainfall
amount,
Inches'
Non -polar O&G/TPH by
EPA 1664 (SGT-HEM)
Total Suspended Solids
pH
Benchmarks =__>
-
-
15 mg/L
100 mg/L or 50 mg/L*
6.0 — 9.0 SU
N/A
N/A
N/A
N/A
N/A
N/A
© 2016 Corning incorporated. All Rights Reserved.
Permit Date: 11/1/2012-10/31/2017 5WU-245, last revised 10/25/2012
Page 2 of 3

Footnotes from Part A also apply to this Part B
* See General Permit text, Table 5, identifying the especially sensitive receiving water classifications where the more protective benchmark applies.
Note: If you report a sample value in excess of the benchmark, you must implement Tier 1, Tier 2, or Tier 3 responses. See General Permit text.
FOR PART A AND PART B MONITORING RESULTS:
• A BENCHMARK EXCEEDANCE TRIGGERS TIER 1 REQUIREMENTS. SEE PERMIT PART It SECTION B.
• 2 EXCEEDANCES IN A ROW FOR THE SAME PARAMETER AT THE SAME OUTFALL TRIGGER TIER 2 REQUIREMENTS. SEE PERMIT PART II SECTION B.
• TIER 3: HAS YOUR FACILITY HAD 4 OR MORE BENCHMARK EXCEEDENCES FOR THE SAME PARAMETER AT ANY ONE OUTFALL? YES ® NO❑
IF YES, HAVE YOU CONTACTED THE DWQ REGIONAL OFFICE? YES ® NO ❑
REGIONAL OFFICE CONTACT NAME: Several discussions and correspondence held with Mr. Samar Bou-Ghazale with the Mooresville regional office.
_Mail an original and one copy of this DMR, including all "No Discharge" reports, within 30 do vs of receipt of the lob results for at end of monitoring p-
in the case of "No Discharge" reports) to:
Division of Water Quality
Attn: DWQ Central Files
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
YOU MUST SIGN THIS CERTIFICATION FOR ANY INFORMATION REPORTED:
"I certify, under penalty of law, that this document and all attachments were prepared under my direction or supervision in accordance with a system designed to
assure that qualified personnel properly gather and evaluate the information submitted. Based on my inquiry of the person or persons who manage the system, or
those persons directly responsible for gathering the information, the information submitted is, to the best of my knowledge and belief, true, accurate, and complete.
am aware that there are significant penalties for submitting false information, including the possibility of fines and imprisonment for knowing violations."
(Signature of Permittee)
(Date)
© 2016 Corning Incorporated. All Rights Reserved.
Permit Date: 11/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 3 of 3

CORNING
.tune 1", 2016
Steve Street Hickory Manufacturing and t 828-901-6695
Sr. EHS Coordinator Technology Center f 828.901-5666
PO Box 489 steve.street@corning com
Hickory, NC 28603 www.corning,corn
North Carolina Department of Environmental Quality
Division of Energy, Mineral, and Land Resources
Attn: DWQ Central Files
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
Dear Sir/Madam:
Please find enclosed an original and one (1) copy of the Stormwater Discharge Monitoring
Report for Corning Optical Communications, LLC — Hickory Manufacturing and Technology
Center (HMTC) located in Hickory, Catawba County, North Carolina. The stormwater
samples were collected on 4/12/2016 for all permitted outfalls and represent the monthly
sample as specified in the Tier 11 requirements of HMTC's stormwater permit.
The results are mixed and reflect HMTC to be outside the benchmark value for the following
parameters:
• Copper --- Stormwater Outfall 1, 2, and 3
• Zinc — Stormwater Outfall 1, 2, and 3
Additional attachments include the Laboratory Analytical Report, Chain -of -Custody, and
Qualitative Monitoring Report. Please contact me if you have any questions at 828-901-6695.
Sincerely,
Stephen L Street
Senior Environmental, Health and Safety Coordinator
attachments
© 2016 Coming Incorporated. All Rights Reserved.

A Y�A
NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
For guidance on filling out this form, please visit: http:/Iportal.ncdenr.org/web/wq/ws/sulnpdessw#tab-4
Permit No.: [V/C/ 0/ /0/Q/0/Q/Q/ or Certificate of Coverage No.: N/Cm-0-46/-2�
Facility Name: Hickory Manufacturing and Technology Center - Corning Optical Commui
County: Catawba
Inspector: Steve Street
Date of Inspection: 4/1212016
Time of Inspection: 7:19 am
Phone No.: 828-901-6695
RECEIVED
JUN 0 7 10i6
Total Event Precipitation (inches):.12" CENTRAL FILES
DWR SECTION
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits requirequalitativemonitoring to be .._._.__._._.
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature, I certify that this r ,t is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
O 2016 Corning Incorporated. All Rights Reserved.
Pagel of 2
5WU-242, Last modified 10/25/2012

1. Outfall Description:
Outfall No. 001 Structure (pipe, ditch, etc.) Pipe
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: Reel storage, solid
waste containers designated for landfill, hazardous waste storage. and R&D building
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Color was clear.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
1 0 3 4 5
5. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
0 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
1 Q2 3 4 5
7. Is there any foam in the stormwater discharge? Yes No
B. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
© 2016 Corning Incorporated. All Rights Reserved.
Page 2 of 2
SWU-242, Last modified 10/25/2012

NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
For guidance on filling out this form, please visit: http:I/oortai.ncdennorg/web Jwq jws/su fLjndessw#tab-4
Permit No.: lV/C/ 0/ 3/Q/0/0//Q/ or Certificate of Coverage No.:
Facility Name: Hicko.1y Manufacturing and Technology Center - Corning Optical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Steve Street
Date of Inspection: 411212016
Time of Inspection: 7:23 am
Total Event Precipitation (inches):.12"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
® Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However, I
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
P g �
f
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than I
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.-
By this signature I certify that this report is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
© 2016 Corning Incorporated. All Rights Reserved.
Page 1 of 2
SWU-242, Last modified 10/25/2012

1. Outfall Description:
Outfall No. 002 Structure (pipe, ditch, etc.) Pike,
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: Solid waste containers
designated for landfill, metal recycling container, and chemical storage area (covered).
Z. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Discharge was light gray.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odors were present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
1 2� 3 4 5
S. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
01 2 3 4 5
G. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
1 I2 3 4 5
7. Is there any foam in the stormwater discharge? Yes N-a
8. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe: The sample contained fine gravel dust from the nearby rock quarry.
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
© 2016 Corning Incorporated. All Rights Reserved,
Page 2 of 2
SWU-242, Last modified 10/25/2012

NCDENR
Stormwater Discharge OutfalI (SDO)
Qualitative Monitoring Report
For guidance on filling out this form, please visit: http_//portal.ncdenr.org/web/`wg/ws/su/npdessw#tab-4
Permit No.: or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and Technology Center - Corning Optical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Steve Street
Date of Inspection: 4/12/2016
Time of Inspection: 7:27 am
Total Event Precipitation (inches):.12"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
® Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
10.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
j precipitation.
3
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter k
1, interval is representative for local storm events during the sampling period, and the permittee j
k obtains approval from the local DWQ Regional Office.
By this signature, I certify that this report is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
© 2016 Corning Incorporated. All Rights Reserved.
Pagel of 2
SWU-242, last modified 10/25/2012

1. Outfall Description:
Outfall No. 003 Structure (pipe, ditch, etc.) Pine
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: Reel storage, machine
shop, and warehouse.
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Discharge was light gray.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
1 0 3 4 5
S. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
W 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
1 q2 3 4 5
7. Is there any foam in the stormwater discharge? Yes No
8. Is there an oil sheen in the stormwater discharge? Yes NH
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
© 2016 Corning Incorporated. All Rights Reserved.
Page 2 of 2
SWU-242, Last modified 10/25/2012

NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
For guidance on filling out this form, please visit. httpm//portal,ncdenr.org/web/wq/`ws�su/ni2dessw#tab-4
Permit No.: N/C/ 0/ 3/0/0/0/0/Q/ or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and Technology Center - Corning Optical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Steve Stree
Date of Inspection: 411212016
Time of Inspection: 7:28 am
Total Event Precipitation (inches):.12"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
Ryes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature, I certify that this report is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
© 2016 Corning Incorporated. All Rights Reserved.
Page 1 of 2
SWU-242, East modified 10/25/2012

1. Outfall Description:
Outfall No. 004 Structure (pipe, ditch, etc.) Pipe
Receiving Stream: ClarWs Creek
Describe the industrial activities that occur within the outfall drainage area: No industrial activities,
only a warehouse.
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Color was clear.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
1 22 3 4 5
S. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
0 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
1 0 3 4 5
7. Is there any foam in the stormwater discharge? Yes N�
B. Is there an oil sheen in the stormwater discharge? Yes No
4. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
© 2016 Corning Incorporated. All Rights Reserved.
Page 2 of 2
SWU-242, Last modified 10/25/2012

��A
RCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
Forguidance on filling out this form, please visit: htto:/://portal.ncdenr.org/web/wq/ws/su/npdes,sw#tab-4
Permit No.: or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and Technology Center - Corning Optical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Steve Street
Date of Inspection: 4/12/2016
Time of Inspection: 7:42 am
Total Event Precipitation (inches):.12"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
© Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 01 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature, I certify that this report is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
© 2016 Corning Incorporated. All Rights Reserved.
Page 1 of 2
SWU-242, Last modified 10/25/2012

1. Outfall Description:
Outfall No. Q Structure (pipe, ditch, etc.) Pine
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: Manufacture of fiber
optic cable and warehouse;
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Color was clear. _ . _ _
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was rem
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
Q 2 3 4 5
S. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
N 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
1 Q 3 4 5
7. Is there any foam in the stormwater discharge? Yes No
B. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
© 2016 Corning Incorporated. All Rights Reserved.
Page 2 of 2
SWU-242, Last modified 10/2S/2012

sipwr irKcH LRB:.Inc.
.
POST OFFICE BOX 1056 • #5 PINEWOOD PLAZA DR.
GRANITE FALLS, NORTH CAROLINA 28630
[phone]
SAMPLE: Corning Optical (001) COLLECTION DATE.
4/12/2016
PERMIT #: COLLECTION TIME:
07:19
ADDRESS: Corning Optical RECEIVED DATE.'
4/12/2016
P.O. Box 489
RECEIVED TIME:
08:48
Hickory, NC 28603-0489
REPORTED.
5/17/2016
ANALYSIS
ANALYSIS
RESULTS
UNITS
DATE ANALYST
Lead
<0.003
mg/L
514116
TSS
10.7
mg/L
4/16/16 jrg
Copper
0.010
mg/L
512116
Zinc
0.189
mg/L
4/21/16
Oil 8, Grease
<5.6
mg1L
4115116 jdg
LOG /D: 1604-151 REPORTED BY: NC CERTIFIED LAB It 5C
fv�
Tony Gragg, Lab Supervisor

wgrERir CH LEiUSInc.
POST OFFICE BOx 1056 • #5 PINEWOOD PLAZA DR.
GRANITE FALLS, NORTH CAROLINA 28630
[phone]
SAMPLE: Corning Optical (002) COLLECTION DATE: 4/12/2016
PERMIT #: COLLECTION TIME: 07:23
ADDRESS: Corning Optical RECEIVED DATE: 4/12/2016
P.O. Box 489 RECEIVED TIME: 08:48
Hickory, NC 28603-0489
REPORTED: 5/17/2016
ANALYSIS
ANALYSIS
RESULTS
UNITS
DATE ANALYST
Lead
0.004
mg/L
514/16
TSS
20.0
mglL
4116/16 jrg
Copper
0.011
mglL
512116
Zinc
0.501
mg/L
4/21/16
Oil & Grease
<5.6
mglL
4/15116 jdg
LOG 1D: 1604-152 REPORTED BY: NC CERTIFIED LAB # 50
fl�
Tony Gragg, Lab Supervisor

W'RTERiTECH LRB .Inc.
POST OFFICE BOx 1056 • #5 PINEWOOD PLAZA DR.
GRANITE FALLS, NORTH CAROLINA 28630
[phone]
SAMPLE., Corning Optical (003) COLLECTION DATE: 4/12/2016
PERMIT #: COLLECTION TIME: 07:27
ADDRESS: Corning Optical RECEIVED DATE: 4/12/2016
P.Q. Box 489 RECEIVED TIME: 08:48
Hickory, NC 28603-0489
REPORTED: 5/17/2016
ANALYSIS
ANALYSIS
RESULTS
UNITS
DATE ANALYST
Lead
0.003
mglL
514/16
TSS
19.5
mg/L
4/16116 jrg
Copper
0.008
mg/L
512116
Zinc
0.448
mg1L
4125/16
Oil & Grease
<5.6
mg1L
4/15116 jdg
4
LOG ID: 1604-153 REPORTED BY: NC CERTIFIED LAB If 50
fl�
Tony Gragg, Lab Supervisor

wwrrR4TECH LRBS.Inc.
POST OFFICE BOX 1056 • #5 PINEWOOD PLAZA DR.
GRANITE FALLS, NORTH CAROLINA 28630
[phone]
SAMPLE: Corning Optical (005) COLLECTION DATE: 4/12/2016
PERMIT #: COLLECTION TIME: 07:42
ADDRESS: Coming Optical RECEIVED DATE: 4/12/2016
P.O. Box 489 RECEIVED TIME: 08:48
Hickory, NC 28603-0489
REPORTED: 5/17/2016
r
ANALYSIS
ANALYSIS
RESULTS
UNITS
DATE ANALYST
Lead
<0.003
mg1L
514116
TSS
10.0
mglL
4/16116 irg
Copper
<0.002
mglL
512116
Zinc
0.060
mgli
4/25116
Oil 8, Grease
<5.6
mglL
4115/16 jdg
LOG ID: 1604-154 REPORTED BY: NC CERTIFIED LAB 0 50
fl�
"Pony Gragg, Lab Supervisor

RESEARCh & ANAIyTiCAI
LABORATORIES, INC.
For: Water Tech Labs, Inc.
P.O. Box 1056
Granite Falls, NC 28630
Attn: Joe Gragg
Report of Analysis
5igi2016
`411IM 10111
0.
Cr ' d7 NC #34
Z.
NC#37701 4
5 .
.'4 09 ,p,A�10*,
Client Sample ID: Corning 001 Lab Sample ID: 17700-01
Site: Water Tech Labs Collection Date: 4/12/2016 15:00
Parameter Method Result Units Rep Limit Analyst Analysis Date/Time
Copper, Total SM 3113 B-2004 0.010 mg/L 0.005 AA 5/2/2016
Lead, Total SM 3113 B-2004 <0.003 mg/L 0.003 AA 5/4/2016
Zinc, Total EPA 200.7 0.189 mg/L 0.01 KL 4121/2016
Client Sample ID: Corning 002 Lab Sample ID: 17700-02
Site: Water Tech Labs Collection Date: 4/12/2016 15:55
Parameter Method Result Units Rep Limit Analyst Analysis DatelTime
Copper, Total SM 3113 B-2004 0.011 mg/L 0.005 AA 5/2/2016
Lead, Total SM 3113 B-2004 0.004 mg/L 0,003 AA 5/4/2016
Zinc, Total EPA 200.7 0.501 mg/L 0.01 KL 4/21/2016
Client Sample ID: Corning 003 Lab Sample ID: 17700-03
Site: Water Tech Labs Collection Date: 4/12/2016 16:50
Parameter Method Result Units Rep Limit Analyst Analysis Date/Time
Copper, Total SM 3113 B-2004 0.008 mg/L 0.005 AA 5/2/2016
Lead, Total SM 3113 B-2004 0,003 mg/L 0.003 AA 5/4/2016
Zinc, Total EPA 200.7 0,448 mg/L 0.01 KL 4/25/2016
Client Sample ID: Corning 005 Lab Sample ID: 17700-04
Site: Water Tech Labs Collection Date: 4/12/2016 11:50
Parameter Method Result Units Rep Limit Analyst Analysis Date/Time
Copper, Total SM 3113 B-2004 <0.002 mg/L 0.005 AA 5/2/2016
P.O. Box 473 106 Short Street Kernersville, North Carolina 27284 Tel: [phone] Fax: [phone] www.fanda4abs.com Page 1
rat coa basic vid

RESEARCh & ANALyTiCA1 Report of Analysis
LA O RATO R I E S, INC. 5/9/2016
Client Sample ID: Lab Sample ID:
Site: Collection Date: 11:50
Parameter Method Result Units Rep Limit Analyst Analysis DatelTime
Lead, Total SM 3113 B-2004 <0.003 mg/L 0.003 AA 5/4/2016
Zinc, Total EPA 200.7 0.060 mg/L 0.01 KL 4125/2016
NA = not analyzed
P.O. Box 473 106 Short Street Kernersville, North Carolina 27284 Tel: [phone] Fax: [phone] www.randalabs.com Page 2
ral coa basic Od

WilA(TIEFR,-TEr ,C LABS � c,
5 Pinewood Plaza Drive — P.O. Box 1056
Granite Falls, NC 28630
Phone [phone] -- Fax [phone]
CLIENT: Corning Cable Systems-TC Pit PHONE NUMBER: 828-327-5000
c/o Steve Street
P.O Box 489
Hickory, NC 28603-0489
TYPE SAMPLE: Stormwater
No. LOCATIONS: 4
SAMPLER NAME: Jr-"" c5f-(ftf
Sample Collection
Information
TYPE
CONTAINERS
ANALYSIS REQUIRED
Sample Location
FacilityTEMP.
Name
DATE
TIME
°C
Grab/
Composite
No
Plastic/
Glass
001 Dischar a
g
g A1119
2! a-
Grab
3
Plastic/
Glass
TSS, Oil & Gr., Lead, Copper, Zinc
Discharge 002
,r 1I��
TW1
,a3
Grab
3
PlastiGlass/
TSS, Oil & Gr., Lead, Copper, Zinc
Discharge 003
q Le
7� a
Grab
3
Plastic/
Glass
TSS, Oil & Gr., Lead, Copper, Zinc
Discharge 005
a
,
Grab
3
Plaasc/
TSS, Oil & Gr., Lead, Copper, Zinc
Relinquished By:
Date:
Time:
Recieved By;
Date:
Time:
Reli quished By:
Date:
Time:
Receive By:
Date:
Time:
PRESERVATION:
[-f 6col 4°C
[q, 2SO4
I1 NaOH
(�IN03
(J Dechlornating Agent
f 1 Other
SAMPLE TEMP. @ LAB (°C)__LLL.
Chlorine Residual mgll
NC CERTIFIED LAB # 50

�C NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
Forguidance on filling out this form, please visit: http://portal.ncdenr.oi-g/web/wq/ws/su/npdessw#tab-4
Permit No.: or Certificate of Coverage No.: N/C/G/_/_/_/_/_/_/
Facility Name: Hickory Manufacturing and Technology Center - Corning Optical Communications
County: Catawba Phone No.: 82$-901-6695
Inspector: Paul Travis _
y y•-r"
ED
Date of Inspection: 5/1712016 E��� V
Time of Inspection: 6:06 am JUN 2 9 1016
Total Event Precipitation (inches):.3" CENTRAL FILES
DWR SECTION
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
© Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature, I certify that this report is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
© 2016 Corning Incorporated, All Rights Reserved.
Pagel of 2
SWU-242, Last modified 10/25/2012

1. Outfall Description:
Outfall No. 001 Structure (pipe, ditch, etc.) Pipe
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: Reel storage, solid
waste containers designated for landfill hazardous waste storage, and R&D building.
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Color was clear.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
�1 2 3 4 5
S. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
2 3 4 5
b. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
0 2 3 4 5
7. Is there any foam in the stormwater discharge? Yes N�o
B. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
© 2016 Corning Incorporated. All Rights Reserved.
Page 2 of 2
SWU-242, Last modified 10/25/2012

A��
^=�tn
NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
For guidance on filling out this form, please visit: htti2:1/pot-tal.ncdenr.org/web/wg/ws/su/npdessw#tab-4
Permit No.: N/C/ 0/j/Q/Q/Q/Q/Q/ or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and Technology Center - Corning Optical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Paul Travis
Date of Inspection: 5/17/2016
Time of Inspection: :10 am
Total Event Precipitation (inches):.3"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
®Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be I
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
{j4f
I
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office. j
By this si afore I certify tha this report is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
© 2016 Corning Incorporated. All Rights Reserved.
Pagel of 2
SWU-242, Last madiSed 10/25/2012

1. Outfall Description:
Outfall No. 002 Structure (pipe, ditch, etc.) Pine
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfali drainage area: Solid waste containers
designated for landfill, metal recycling container, and chemical storage area (covered),
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Discharge was clear.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odors were present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
T1 2 3 4 5
S. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
01 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
n1 2 3 4 5
7. Is there any foam in the stormwater discharge? Yes
8. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
© 2016 Corning Incorporated. All Rights Reserved.
Page 2 of 2
SWU-242, Last modified 10/25/2012

NCDENR
Stormwater Discharge 4utfall (SD4)
Qualitative Monitoring Report
For guidance on filling out this form, please visit. http:l/portal.ncdenr.oi-g/web/wQ/ws/su/ni2dessw#tab:4
Permit No.: N/C/ 0/ 3/Q/0/0/0/0/ or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and Tec polo Center --Corning Optical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Paul Travis
Date of Inspection: 5/17/2016
Time of Inspection: :13 am
Total Event Precipitation (inches):.3"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
® Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
----------- --- - _ ....- -_. _.------ ............... ........ ...__......... .... .... --- .......... - ......... ....,
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
I
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
I
A "measurable storm event" is a storm event that results in an actual discharge from the {
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature, I certify that this report is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
© 2016 Corning Incorporated. All Rights Reserved.
Pagel of 2
SWU-242, Last modified 10/25/2012

I. Outfall Description:
Outfall No. 003 Structure (pipe, ditch, etc.) Pine
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: Reel storage. machine
shop.and warehouse.
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Discharge was clear.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
2 3 4 5
5. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
n1 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
�1 2 3 4 5
7. Is there any foam in the stormwater discharge? Yes No
B. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
O 2016 Corning Incorporated. All Rights Reserved,
Page 2 of 2
SWU-242, Last modified 10/25/2012

NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
Forguidance on filling out this form, please visit: http-:Iiporlal.ncdenr.org/web./wq./­wslsu/npdessw#tab-A
Permit No.: or Certificate of Coverage No.:
Facility Name: HickoU Manufacturing and Technology Center - Corning Optical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Paul Travis
Date of Inspection: 5/17/2016
Time of Inspection: 6:15 am
Total Event Precipitation (inches):.3"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature, I Sertify that t�is report is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
O 2016 Corning Incorporated. All Rights Reserved.
Page 1 of 2
SWU-242, Last modified 10/25/2012

1. Outfall Description:
Outfall No. 004 Structure (pipe, ditch, etc.) Pipe
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: No industrial_ activities,
only a warehouse.
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Color was clear.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
01 2 3 4 5
5. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
Q 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
N1 2 3 4 5
7. Is there any foam in the stormwater discharge? Yes No
B. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
OO 2016 Corning Incorporated. All Rights Reserved.
Page 2 of 2
SWU-242, Last modified 10/25/2012

A ;
NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
For guidance on filling out this form, please visit. http_//portal.ncdenr.org/web/wq/ws/su/su/nl2dessw#tab-4
Permit No.: N/C/ 0//0/0/Q/0/0/ or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and TeChnolggy Center - Corning Optical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Paul Travis
Date of Inspection: 5117/2016
Time of inspection: 6:22 am
Total Event Precipitation (inches):.3"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
® Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 01 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signaqire, I certify that this report is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
OO 2016 Corning Incorporated. All Rights Reserved.
Pagel of 2
SWU-242, Last modified 10/25/2012

1. Outfall Description:
Outfall No. 005 Structure (pipe, ditch, etc.) Pine
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: Manufacture of fiber
optic cable and warehouse.
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Color was clear.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
H1 2 3 4 5
S. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
Q1 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
�1 2 3 4 5
7. Is there any foam in the stormwater discharge? Yes No
8. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
OO 2016 Corning Incorporated. All Rights Reserved.
Page 2 of 2
SWU-242, Last modified 10/25/2012

WRTEROECH LABS...
POST OFFICE BOX 1056 • #i5 PINEWOOD PLAZA DR,
GRANITE FALLS, NORTH CAROLINA 28630
[phone]
SAMPLE: Corning Optical (001) COLLECTION DATE: 5/17/2016
PERMIT #: COLLECTION TIME: 06:06
ADDRESS: Corning Optical RECEIVED DATE: 6/17/2016
P.Q. Box 489 RECEIVED TIME: 10:05
Hickory, NC 28603-0489
REPORTED: 6/17/2016
�--------------
-- - �.�
ANALYSIS
- ----�
ANALYSIS
RESULTS
UNITS
DATE ANALYST
Lead
<0.003
mg/L
5125/16
TSS
10.0
mg/L
5118/16 irg
Copper
0.006
mg/L
611116
Zinc
0.114
mg/L
613116
Oil & Grease
<5.6
mg/L
5/20/16 jdg
LOG ID: 1605-252 REPORTED BY: NC CERTIFIED LAB 9 50
fl� *
Tony Gragg, Lab Supervisor

tdRTER4rFCM LABS.-.
POST OFFICE BOX 1056 • #5 PINEWOOD PLAZA DR_
GRANITE FALLS, NORTH CAROLINA 28630
[phone]
SAMPLE: Corning Optical (002) COLLECTION DATE: 5/17/2016
PERMIT #: COLLECTION TIME: 06:10
ADDRESS: Corning Optical RECEIVED DATE 5/1712016
P.O. Box 489 RECEIVED TIME: 10:05
Hickory, NC 28603-0489
REPORTED: 6/ 17/2016
ANALYSIS
ANALYSIS
RESULTS
UNITS
DATE ANALYST
Lead
<0.003
mg/L
5/25/16
TSS
6.5
mg/L
5118/16 irg
Copper
0.005
mg/L
611116
Zinc
0.277
mg/L
613116
Oil & Grease
<5.6
mg/L
5120/16 idg
LOG ID: 1605-253 REPORTED BY: NCrCE�RTIFIED LAB # 50
fo�� 9
Tony Gragg, Lab Supervisor

unrEROECH LRDS.mc.
POST OFFICE BOX 1056 • #5 PINEWOOD PLAZA DR.
GRANITE FALLS, NORTH CAROLINA 28630
[phone]
SAMPLE: Corning Optical (003) COLLECTION DATE: 5/17/2016
PERMIT #: COLLECTION TIME: 06:13
ADDRESS: Corning Optical RECEIVED DATE: 511712016
P.Q. Box 489 RECEIVED TIME: 10:05
Hickory, NC 28603-0489
REPORTED: 6/ 1712016
-- - - --
_ - _ -
ANALYSIS
ANALYSIS
RESULTS
UNITS
DATE ANALYST
Lead
<0.003
mg/L
5/25/16
TSS
12.8
mg/L
5I18116 jrg
Capper
0.005
mg/L
611116
Zinc
0.251
mg/L
613116
Oil & Grease
<5.6
mg/L
5/20/16 jdg
LOG ID: 1605-254 REPORTED BY: NC CERTIFIED LAB # 50
ff�
Tony Gragg, Lab Supervisor

(dRrowirrCIH LR1 .5-mc.
POST OFFICE BOX 1056 • #5 PINEWOOD PLAZA DR.
GRANITE FALLS, NORTH CAROLINA 2800
[phone]
SAMPLE: Corning Optical (005) COLLECTION DATE. 5/17/2016
PERMIT #: COLLECTION TIME: 06:22
ADDRESS: Corning Optical RECEIVED DATE: 5/17/2016
P.O. Box 489 RECEIVED TIME: 10:05
Hickory, NC 28603-0489
REPORTED: 6/17/2016
� .� _--- ---- -- ----
- __
ANALYSIS
ANALYSIS
RESULTS
UNITS
DATE ANALYST
Lead
<0.003
mglL
5/25116
TSS
7.8
mg1L
5/18116 irg
Copper
<0.002
mg/L
611116
Zinc
0.059
mg1L
613116
Oil 8 Grease
<5.6
mg/L
5I20116 jdg
LOG 1D: 1605-255
REPORTED BY:: NCCERTIFIEDLAB # 5C
fl� a{
Tony Gragg, Lab Supervisor

RESEARCh & ANAIyTiCA[
33 LA 0 RATO R i E 5 INC.
For: Water Tech tabs, Inc.
P.O. Box 1056
Granite Falls, NC 28630
Attn: Joe Gragg
Report of Analysis
6/10/2016
,'-,f,{l1=lltlot ,'/
t ccNC 934 z -
w NC H37701
R.
9 1�� D ���
i1,
Client Sample ID: Corning 001 Lab Sample ID: 19548-01
Site: Water Tech Labs Collection Date: 5/17/2016 6:06
Parameter Method Result Units Rep Limit Analyst Analysis Date/Time
Copper, Total SM 3113 B-2004 0,006 mg/L 0.002 AA 611/2016
Lead, Total SM 3113 B-2004 <0.003 mglL 0.003 AA 5/25/2016
Zinc, Total EPA 200.7 0.114 mglL 0.01 KL 6/3/2016
Client Sample ID: Corning 002 Lab Sample ID: 19548-02
Site: Water Tech Labs Collection Date: 5/17/2016 6:10
Parameter Method Result Units Rep Limit Analyst Analysis Date/Time
Copper, Total SM 3113 B-2004 - �- 0.005 mg/L 0,002 AA 6/1/2016
Lead, Total
SM 3113 B-2004
<0.003
mg/L
0.003
AA
5/25/2016
Zinc, Total
EPA 200.7
0.277
mg/L
0.01
KL
6/3/2016
Client Sample ID:
Corning 003
Lab Sample ID:
19548-03
Site:
Water Tech Labs
Collection Date:
5/17/2016
6:13
Parameter
Method
Result
Units
Rep Limit An_ alyst Analysis Date/Time
Copper, Total
SM 3113 8-2004
0.005
mg/L
0.002
AA
6/1/2016
Lead, Total
SM 3113 B-2004
<0.003
mg/L
0.003
AA
512512016
Zinc, Total
EPA 200.7
0.251
mglL
0.01
KL
61312016
Client Sample ID: Corning 005 Lab Sample ID: 19548-04
Site: Water Tech Labs Collection Date: 5/17/2016 6:22
Parameter Method Result Units Rep Limit Analyst Analysis DatelTime
Copper, Total SM 3113 B-2004 <0.002 mg1L 0,002 AA 611/2016
P.D. Box 473 106 Short Street Kernersville, North Carolina 27284 Tel: [phone] Fax: [phone] www.randalabs.com Page 1

RESEARCh & ANALyT1CAI Report of Analysis
l LA ORATORlES� INC. 611012016
Client Sample ID: Lab Sample ID:
Site: Collection Date: 6:22
Parameter Method Result Units Rep Limit Analyst Analysis Date/Time
Lead, Total SM 3113 B-2004 <0.003 mg/L 0.003 AA 5/25/2016
Zinc, Total EPA 200.7 0.059 mglL 0.01 KL 6/3/2016
NA = not analyzed
P.O. Box 473 106 Short Street Kernersville, North Carolina 27284 TeL [phone] Fax: [phone] www.randalabs.com Page 2

r
5 Pinewood Plaza Drive — P.O. Box 1056
Granite Falls, NC 28630
Phone [phone] — Fax [phone]
CLIENT: Corning Cable Systems-TC Plt PHONE NUMBER: 828-327-5000
c/o Steve Street
P.O Box 489
Hickory, NC 28603-0489
TYPE SAMPLE: Stormwater
No. LOCATIONS: 4
SAMPLER NAME:
Sample Collection
Information
TYPE
CONTAINERS
ANALYSIS REQUIRED
Sample Location
FacilityName
DATE
TIME
TEMP. °C
Grab/
Cam osite
No
Plastic/
Glass
Discharge 001
► •
/
C9 •4%
Grab
3
Plastic/
Glass
TSS, Oil & Gr., Lead, Copper, Zinc
Discharge 002
10
Grab
3
PlastiGlass/
TSS, Oil & Gr., Lead, Copper, Zinc
Discharge 003
7
(� 3
Grab
3
Plastic/
Glass
TSS, Oil & Gr., Lead, Copper, Zinc
Discharge 005
J —
,a�
Grab
3
Glass/
TSS, Oil & Gr., Lead, Copper, Zinc
Relinqu' h B
Date:
Time:
Recieved By;
Date:
Time:
Relinquished By:
Date:
Time:
Received By:
Date:
Time:
PRESER VA TION:
Nepol 4°C
�SO4
[] NaOH
!1 NyO3
echlornating Agent
[] Other
SAMPLE TEMP. @ LAB (°C) i
Chlorine Residual mg/I
NC CERTIFIED LAB # 50

1W Semi-annual Stormwater Discharge Monitoring Report
for North Carolina Division of Water Quality General Permit No. NCG030000
Y-�C (-0 3 a �(� Date submitted: 04/08/2016 04b
CERTIFICATE OF COVERAGE N0�NCG030000 SAMPLE COLLECTION YEAR: 2016
FACILITY NAME: Hickory Manufacturing and Technology Center SAMPLE PERIOD ❑ Jan -June ❑ July -Dec 4P
COUNTY: Catawba or ® Monthly' - Mar
PERSON COLLECTING SAMPLES: Steve Street DISCHARGING TO CLASS ❑ORW� ] HQW ❑Trout ❑PNA
LABORATORY: Water Tech Labs Lab Cert. # 50 ❑Zero4low ❑Water Supply . R����1�C U ❑SA
Comments on sample collection or analysis: The amount of pollen in 1 nOther
the discharge at SDO #2 was much higher than the other outfalls. APR 2 S 2011;\\
There was a noticeable visual difference in the amount of pollen .,7.,-,r. PLEA
resultingin a TSS value that exceeded the benchmark parameter. 1,r `'J7 '` {'''J'l
p ��i��Ic7ii,,�.��,«;t,l,`;GiJ�V
Part A: Stormwater Benchmarks and Monitoring Results
MBER TO SIGN ON PAGES 2 AND/OR 3 4
❑ No discharge this period?'
Date Sample
24-hour rainfall
pH,
Non -Polar O&G/
Total Toxic
Outfall No.
Collected)
amount,
Total Suspended Solids
Standard units
Copper
Lead
Zinc
Total Petroleum
Organicss
(mo/dd/yr)
Inches3
Hydrocarbons
Benchmarks =__>
-
-
100 mg/L or 50 mg/L
6.0 - 9.0
0.007 mg/L
0.03 mg/L
0.067 mg/L
15 mg/L
1 mg/L
1
3/13/16
.10"
43 mg/I
6.95
.013 mg/1
<.003 mg/I
.299 mg/I
<5.6 mg/I
N/A
2
3/13/16
.101,
126 mg/I
7.28
.035 mg/1
.005 mg/1
1.93 mg/I
<5.6 mg/l
N/A
3
3/13/16
.10"
54 mg/I
6.73
.018 mg/I
<.003 mg/I
.733 mg/I
<5.6 mg/I
N/A
5
3/13/16
L .10"
28 mg/I
6.87
.007 mg/I
L <.003 mg/1
.120 mg/I
1 <5.6 mg/1
N/A
' Monthly sampling (instead of semi-annual) must begin with the second consecutive benchmark exceedance for the same parameter at the same out#all.
2 For sampling periods with no discharge at any single outfall, you must still submit this discharge monitoring report with a checkmark here.
3The total precipitation must be recorded using data from an on -site rain gauge. Unattended sites may be eligible for a waiver of the rain gauge requirement.
° See General Permit, Table 3 identifying the especially sensitive receiving water classifications where the more protective benchmark applies,
5 Total Toxic Organics sampling is applicable only for those facilities which perform metal finishing operations, manufacture semiconductors, manufacture
electronic crystals, or manufacture cathode ray tubes. For purposes of this permit the definition of Total Toxic Organics is that definition contained in the EPA
Effluent Guidelines for the facility subject to the requirement to sample (for metal finishing use the definition as found in 40 CFR 433.11; for semiconductor
manufacture use the definition as found in 40 CFR 469.12; for electronic crystal manufacture use the definition as found in 40 CFR 469.22; and for cathode ray
tube manufacture use the definition found in 40 CFR 469.31).
© 2016 Corning Incorporated. All Rights Reserved.
Permit Date: 11/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 1 of 3

Facilities that incorporate a solvent management plain into the Stormwater Pollution Prevention Plan may so certify, and the requirement for TTO monitoring
may be waived. The solvent management plan shall include a list of the total toxic organic compounds used and the other elements listed in the General
Permit. For those facilities electing to employ the TTO monitoring waiver, the discharger shall sign the following certification statement:
"Based upon my inquiry of the person or persons directly responsible for managing compliance with the permit monitoring requirement for total toxic organics
(Tf0), I certify that to the best of my knowledge and belief, no dumping of concentrated toxic organics into the stormwater or areas which are exposed to rainfall or
Stormwater runoff has occurred since filing the last discharge monitoring report. I further certify that this facility is implementing the all the provisions of the
solvent management plan included in the Stormwater Pollution Prevention Plan."
N/A
Name (Print name)
N/A
Title (Print title)
N/A
(Signatu re) (Date)
Note: Results must be reported in numerical format. Do not report Below Detection Limit, BDL, <PQL, Non -detect, ND, or other similar non -numerical
format. When results are below the applicable limits, they must be reported in the format "<XX m L" where XX is the numerical value of the detection
limit, reporting limit, etc. in mg/L.
Note: if you report a sample value in excess of the benchmark, you must implement Tier 1, Tier 2, or Tier 3 responses. See General Permit text.
Part B. Vehicle Maintenance Area Monitoring Results: only for facilities averaging > 55 gal of new oil per month.
❑ No discharge this period?z
Outfall No.
Date Sample
Collected'
(mo/dd/yr)
24-hour rainfall
amount,
Inches
Non -polar O&G/TPH by
EPA 1664 (SGT-HEM)
Total Suspended solids
pH
Benchmarks ===>
-
-
15 mg/L
100 mg/L or 5o mg/L•
6.0 — 9.0 SU
N/A
N/A
N/A
N/A
N/A
N/A
© 2016 Corning incorporated. All Rights Reserved.
Permit Date: 11/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 2 of 3

Footnotes from Part A also apply to this Part B
* See General Permit text, Table 5, identifying the especially sensitive receiving water classifications where the more protective benchmark applies.
Note: if you report a sample value in excess of the benchmark, you must implement Tier 1, Tier 2, or rer 3 responses. See General Permit text.
FOR PART A AND PART B MONITORING RESULTS:
• A BENCHMARK EXCEEDANCE TRIGGERS TIER 1 REQUIREMENTS. SEE PERMIT PART II SECTION B.
• 2 EXCEEDANCES IN A ROW FOR THE SAME PARAMETER AT THE SAME OUTFALL TRIGGER TIER 2 REQUIREMENTS. SEE PERMIT PART II SECTION B.
• TIER 3: HAS YOUR FACILITY HAD 4 OR MORE BENCHMARK EXCEEDENCES FOR THE SAME PARAMETER AT ANYONE OUTFALL? YES ®NO❑
IF YES, HAVE YOU CONTACTED THE DWQ REGIONAL OFFICE? YES ® NO ❑
REGIONAL OFFICE CONTACT NAME: Several discussions and correspondence held with Mr. Samar Bou-Ghazaie with the Mooresville regional office.
Mail an, original and one cony of this DMR, including all "No Discharge" reports, within 30 days of receipt of the lab results (or at end of monitoring period
in the case of "No Discharge" reports) to:
Division of Water Quality
Attn: DWQ Central Files
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
YOU MUST SIGN THIS CERTIFICATION FOR ANY INFORMATION REPORTED:
"I certify, under penalty of law, that this document and all attachments were prepared under my direction or supervision in accordance with a system designed to
assure that qualified personnel properly gather and evaluate the information submitted. Based on my inquiry of the person or persons who manage the system, or
those persons directly responsible for gathering the information, the information submitted is, to the best of my knowledge and belief, true, accurate, and complete
am aware that there art5ignienalties fpf-omitting false information, including the possibility of fines and imprisonment for knowing violations."
(S' nature of Permittee) (Date)
© 2016 Corning Incorporated. All Rights Reserved.
Permit Date: 11/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 3 of 3

Semi-annual Stormwater Discharge Monitoring Report �y
for North Carolina Division of Water Quality General Permit No. NCG030000
Date submitted: 04/05/2016
V k TU --2b ay el
-
CERTIFICATE OF COVERAGE NO;NCG030000
FACILITY NAME: Hickory Manufacturing and Technology Center
COUNTY: Catawba
PERSON COLLECTING SAMPLES: Steve Street
LABORATORY: Water Tech Labs Lab Cert. # 50
Comments on sample collection or analysis:
Part A: Stormwater Benchmarks and Monitoring Results
SAMPLE COLLECTION YEAR: 2016
SAMPLE PERIOD ❑ Jan -June ❑ July -Dec
or ®Monthly'— Feb ~
p ��++DISCHARGIIN;G TO CLASS ❑ORW ❑HQW ❑Trout ❑PNA,
RF ,FI\IED ❑Zero -flow ❑Water SupplyOffs4
APR 2 6 2016 ❑other /A
PLEASE REMEMBER TO SIGN ON PAGES2 AND/OR 3 4
P` GrRHATI0ii "ROCF5,PJG U111T /
❑ No discharge this period?'
Date Sample
24-hour rainfall
pH,
Non -Polar O&G/
Total Toxic
Outfall No.
1
Collected
amount,
Total Suspended Solids
Standard units
Copper
Lead
Zinc
Total Petroleum
Organicss
(mo/dd/yr)
Inches3
Hydrocarbons
Benchmarks =_=>
-
-
100 mg/L or 50 mg/L
6.0 — 9.0
0.007 mg/L
0.03 mg/L
0.067 mg/L
15 mg/L
1 mg/L
1
2/22/16
.75"
31 mg/I
7.06
.019 mg/l
.005 mg/I
.464 mg/I
<5.6 mg/I
N/A
2
2/22/16
.75"
41 mg/I
6.80
.030 mg/l
.005 mg/I
.835 mg/I
<5.6 mg/I
N/A
3
2/22/16
.75"
46 mg/I
6.98
.014 mg/l
.004 mg/I
.596 mg/l
<5.6 mg/I
N/A
5
2/22/16
.75"
21.3 mg/I
7.01
.004 mg/I
<.003 mg/I
.116 mg/I
<5.6 mg/I
N/A
1 Monthly sampling (instead of semi-annual) must begin with the second consecutive benchmark exceedance for the same parameter at the same outfall.
2 For sampling periods with no discharge at any single outfall, you must still submit this discharge monitoring report with a checkmark here.
3The total precipitation must be recorded using data from an on -site rain gauge. Unattended sites may be eligible for a waiver of the rain gauge requirement.
a See General Permit, Table 3 identifying the especially sensitive receiving water classifications where the more protective benchmark applies.
5 Total Toxic Organics sampling is applicable only for those facilities which perform metal finishing operations, manufacture semiconductors, manufacture
electronic crystals, or manufacture cathode ray tubes. For purposes of this permit the definition of Total Toxic Organics is that definition contained in the EPA
Effluent Guidelines for the facility subject to the requirement to sample (for metal finishing use the definition as found in 40 CFR 433.11; for semiconductor
manufacture use the definition as found in 40 CFR 469.12; for electronic crystal manufacture use the definition as found in 40 CFR 469.22; and for cathode ray
tube manufacture use the definition found in 40 CFR 469.31).
© 2016 Corning Incorporated. All Rights Reserved.
Permit Date: 11/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 1 of 3

Facilities that incorporate a solvent management plan into the Stormwater Pollution Prevention Plan may so certify, and the requirement for TTO monitoring
may be waived. The solvent management plan shall include a list of the total toxic organic compounds used and the other elements listed in the General
Permit. For those facilities electing to employ the TTO monitoring waiver, the discharger shall sign the following certification statement:
"Based upon my inquiry of the person or persons directly responsible for managing compliance with the permit monitoring requirement for total toxic organics
(TTO), I certify that to the best of my knowledge and belief, no dumping of concentrated toxic organics into the Stormwater or areas which are exposed to rainfall or
stormwater runoff has occurred since filing the last discharge monitoring report. I further certify that this facility is implementing the all the provisions of the
solvent management plan included in the Stormwater Pollution Prevention Plan."
N/A
Name (Print name)
NIA
Title (Print title)
N/A
(Signature) (Date)
Note: Results must be reported in numerical format. Do not report Below Detection Limit, BDL, <PQL, Non -detect, ND, or other similar non -numerical
format. When results are below the applicable limits, they must be reported in the format. "<XX mg/L", where XX is the numerical value of the detection
limit, reporting limit, etc. in mg/L.
Note: If you report a sample value in excess of the benchmark, you must implement Tier 1, Tier 2, or Tier 3 responses. See General Permit text.
Part B: Vehicle Maintenance Area Monitoring Results: only for facilities averaging > 55 gal of new oil per month.
❑ No discharge this perrod?z
Outfall No.
Date Sample
Collected'
(mo/dd/yr)
24-hour rainfall
amount,
Inches3
Non -polar O&G/TPH by
EPA 1664 (5GT-HEM)
Total Suspended Solids
pH
Benchmarks ===>
-
-
15 mg/L
100 mg/L or 50 mg/L*
6.0 — 9.0 SU
N/A
N/A
N/A
N/A
N/A
N/A
© 2016 Corning Incorporated. All Rights Reserved.
Permit Date: 11/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 2 of 3

. .r
Footnotes from Part A also apply to this Part B _
* See General Permit text, Table 5, identifying the especially sensitive receiving water classifications where the more protective benchmark applies.
Note: If you report a sample value in excess of the benchmark, you must implement Tier 1, Tier 2, or Tier 3 responses. See General Permit text.
FOR PART A AND PART 8 MONITORING RESULTS:
• A BENCHMARK EXCEEDANCE TRIGGERS TIER 1 REQUIREMENTS. SEE PERMIT PART II SECTION B.
+ 2 EXCEEDANCES IN A ROW FOR THE SAME PARAMETER AT THE SAME OUTFALL TRIGGER TIER 2 REQUIREMENTS. SEE PERMIT PART It SECTION B.
• TIER 3: HAS YOUR FACILITY HAD 4 OR MORE BENCHMARK EXCEEDENCES FOR THE SAME PARAMETER AT ANY ONE OUTFALL? YES ® NO❑
IF YES, HAVE YOU CONTACTED THE DWQ REGIONAL OFFICE? YES ® NO ❑
REGIONAL OFFICE CONTACT NAME: Several discussions and correspondence held with Mr. Samar Bou-Ghazale with the Mooresville regional office.
Mail an original and one copv of this DMR. includina all "No Discharae" reports, within 30 days of receipt of the lob results for at end of monitoring period
in the case of "No_ Discharge" reports) to:
Division of Water Quality
Attn: DWQ Central Files
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
YOU MUST SIGN THIS CERTIFICATION FOR ANY INFORMATION REPORTED:
"I certify, under penalty of law, that this document and all attachments were prepared under my direction or supervision in accordance with a system designed to
assure that qualified personnel properly gather and evaluate the information submitted. Based on my inquiry of the person or persons who manage the system, or
those persons directly responsible for gathering the information, the information submitted is, to the best of my knowledge and belief, true, accurate, and complete. I
am aware that there are sig�jficant pena)ties for submitting false information, including the possibility of fines and imprisonment for knowing violations."
(Signature of Permittee)
(Date)
© 2016 Corning Incorporated. All Rights Reserved,
Permit Date: 11/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 3 of 3

WRrERiTECH LI IF.S.-C.
POST OFFICE BOX 1056 • #5 PINEWOOD PLAZA DR.
GRANITE FALLS, NORTH CAROLINA 28630
[phone]
SAMPLE: Corning Optical (005) COLLECTION DATE: 3/13/2016
PERMIT #: COLLECTION TIME: 11:21
ADDRESS: Corning Optical RECEIVED DATE: 3/14/2016
P.O. Box 489 RECEIVED TIME: 10:53
Hickory, NC 28603-0489
REPORTED: 4/1/2016
-----------___.
_______-- --.__ANALYSIS
ANALYSIS
RESULTS
UNITS
DATE ANALYST
Lead
<0.003
mglL
3/23116
TSS
28.0
mglL
3115/16 jrg
Copper
0.007
mg1L
3/22116
Zinc
0.120
mglL
3/23/16
Oil & Grease
<5.6
mglL
3/18116 jdg
LOG ID: 1603-219 REPORTED BY: NCrCERTIFIED LAB # 50
fv�� � P
Tony Gragg, Lab Supervisor

RESEARCh & ANA1yTICAL
LA ORATORIES, INC.
For: Water Tech Labs, Inc.
P.O. Box 1056
Granite Falls, NC 28630
Attn: Joe Gragg
Report of Analysis
3/25/2016
l{ta 11a1�1'I I too,
NC#34 YEN
M NC437701
Client Sample ID: Corning 001 Lab Sample ID: 16498-01
Site: Water Tech Labs Collection Date: 3/13/2016 11:03
Parameter Method Result Units Rep Limit Analyst Analysis, Date/Time
Copper, Total SM 3113 B-2004 0.013 mg/L 0.002 AA 3/22/2016
Lead, Total SM 3113 B-2004 <0.003 mg/L 0.003 AA 3/23/2016
Zinc, Total EPA 200.7 0.299 mg/L 0.01 AA 3/23/2016
Client Sample ID: Corning 002 Lab Sample ID: 16498-02
Site: Water Tech Labs Collection Date: 3/13/2016 11:11
Parameter Method Result Units Rep Limit Analys Analysis Date/Time
Copper, Total SM 3113 B-2004 0.035 mg/L 0.002 AA 3/2212016
Lead, Total SM 3113 B-2004 0.005 mg/L 0.003 AA 3/23/2016
Zinc, Total EPA 200.7 1.93 mg/L 0.01 AA 3/23/2016
Client Sample ID: Corning 003 Lab Sample ID: 16498-03
Site: Water Tech Labs Collection Date: 3/13/2016 10:57
Parameter Method Result Units Rep Limit Analyst Analysis Dateaime
Copper, Total SM 3113 B-2004 0.018 mg/L 0.002 AA 3/22/2016
Lead, Total SM 3113 B-2004 <0.003 mg/L 0.003 AA 3/23/2016
Zinc, Total EPA 200.7 0.733 mg/L 0.01 AA 3/23/2016
Client Sample ID: Coming 005 Lab Sample ID: 16498-04
Site: Water Tech Labs Collection Date: 3/13/2016 11:21
Parameter Method Result Units Rep Limit Analyst Analysis Date/Time
Copper, Total SM 3113 B-2004 0.007 mg/L 0.002 AA 3/22/2016
P.O. Box 473 106 Short Street Kernersville, North Carolina 27284 Tel: [phone] Fax: [phone] www.randalabs.com Page 1
ral coo basic Od

RESEARCH & ANA1yTICA[ Report of Analysis
LAbORATORiES, INC. 3/25/2016
Client Sample ID: Lab Sample ID:
Site: Collection Date: 11:21
Parameter Method Result Units Rep Limit Analy s Analysis Datea:1me
Lead, Total SM 3113 B-2004 <0.003 mg/L 0.003 AA 3/23/2016
Zinc, Total EPA 200.7 0.120 mg/L 0.01 AA 3/23/2016
NA = not analyzed
P.O. Box 473 106 Short Street Kernersville, North Carolina 27284 Tel: [phone] Fax: [phone] www.randalabs.com Page 2
ral Coa basic v1d

Wi�Er, I J T Ec- .'f I LL r1�BS,' > - -.,Ii'l�v�.�
>
5Pinewood Plaza Drive — P.O. Box 1056
Granite Falls, NC 28630
Phone [phone] -- Fax [phone]
CLIENT: Corning Cable Systems-TC Pit PHONE NUMBER: 828-327-5000
c/o Steve Street
P.O Box 489
Hickory, NC 28603-0489
TYPE SAMPLE: Stormwater
No. LOCATIONS: 4
SAMPLER NAME.
Sample Collection Information
TYPE
CONTAINERS
ANALYSIS REQUIRED
Sample Location
FacilityName
DATE
TIME
TEMP. °C
Grab/
composite
No
Plastic/
Glass
Discharge 001
j
.�I6#6
103
Grab
3
Plastic/
Glass
TSS, Oil & Gr., Lead, Copper, Zinc
002 Dischar a
g
11 �(p
t
1 r,
Grab
3
Plastic/
Glass
TSS, Oil & Gr., Lead, Copper, Zinc
Discharge 003
�j�3]��
JI I
�O, Jr�
Grab
3
PlastiGlass/
TSS, Oil & Gr., Lead, Copper, Zinc
Discharge 005
1JI%�
1
Grab
3
Plastic/
Glass
TSS, Gil & Gr., Lead, Copper, Zinc
Relinquished By:
PRbinquished
Date:
Time:
cieve
Date:
Time:
/101)�
By:
Date:
Time:
Re ived B
jr>
Date:
Time:
PRESERVATION:
l
or
j 04
11 Na�OH�
j] Dechlomating Agent
!] Other
SAMPLE TEMP. @ LAB (°C)
Chlorine Residual mgll
NC CERTIFIED LAB # 50

NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
For guidance on filling out this form, please visit: http://portal.nCi_qnr.grgZwg}�/wq/ws jsu/npdessw#tab-4
Permit No.: N/C/ 0/ 3/0/0/0/0/0/ or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and Technology Center - Corning Optical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Steve Street
Date of Inspection: 3113/2016
Time of Inspection: 11:03 am
Total Event Precipitation (inches):.11 ""
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature, I certify that this report is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
© 2016 Corning incorporated. All Rights Reserved.
Pagel of 2
5WU-242, Last modified 10/25/2012

1. Outfall Description:
Outfali No. 001 Structure (pipe, ditch, etc.) Pipe
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: Reel storage, solid
waste containers designated for landfill, hazardous waste storage, and R&D building.
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Color was light yellow.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was_present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
1 Q 3 4 5
5. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
1 5 3 4 5
b. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
1 k 3 4 5
7. Is there any foam in the stormwater discharge? Yes No
8. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
© 2016 Corning Incorporated. All Rights Reserved.
Page 2 of 2
SWU-242, Last modified 10/25/2012

A f
NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
For guidance on filling out this form, please visit: http://portal.ncdenr.org/web/wgjws1511jnpd sw#tab-4
Permit No.: N/C/ 0/ 3/¢/¢/0/¢/¢/ or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and Technology Center - Corning Optical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Steve Street
Date of Inspection: 3/13/2016
Time of Inspection: 11:11 am
Total Event Precipitation (inches):.10"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
® Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signatur I certify that this is accurate and complete to the best of my knowledge:
re of Permittee or Designee)
© 2016 Corning Incorporated. All Rights Reserved.
Pagel of 2
SWU-242, Last modified 10/25/2012

1. Outfall Description:
Outfall No. 002 Structure (pipe, ditch, etc.) Pipe
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: Solid waste containers
designated for landfill, metal recycling container, and chemical storage area (covered).
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Discharge was dark yellow.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odors were present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
1 2 3� 4 S
S. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
1 2 Q 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
1 2 0 4 5
7. Is there any foam in the stormwater discharge? Yes No
B. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
© 2016 Corning Incorporated. All Rights Reserved.
Page 2 of 2
SWU-242, Last modified 10/25/2012

AJ�A
NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
For guidance on filling out this farm, please visit. htt rtal.ncdenr..Qrg/wcblwq./ws/su/iipdessw#tab-4
Permit No.: N/C/ 0/ 3/0/0/0/0/0/ or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and Technology Center - Corning Optical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Steve Street
Date of Inspection: 3/1312016
Time of Inspection: 10:57 am
Total Event Precipitation (inches):.10"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
® Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall, The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signatur ,-1-eertify,th"at this-r " ort is accurate and complete to the best of my knowledge.
//
(Signature of Permittee or Designee)
O 2016 Corning Incorporated. All Rights Reserved.
Pagel of 2
SWU-242, Last modiried 10/25/2012

1. Outfall Description:
Outfall No. 003 Structure (pipe, ditch, etc.) Pike
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: Reel storage, machine
shop. and warehouse.
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Discharge was medium yellow.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
1 02 3 4 5
5. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
1 Q 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
1 n2 3 4 5
7. Is there any foam in the stormwater discharge? Yes No
8. Is there an oil sheen in the stormwater discharge? Yes No
9. is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
© 2016 Corning Incorporated. All Rights Reserved.
Page 2 of 2
SWU-242, Last modified 10/25/2012

A�
NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
Forguidance on filling out this form, please visit: http_/Iportal.ncdenr.orglweb/wglws/su/npdessw#tab-4
Permit No.: N/C/ 0/ 3/0/0/0/0/Q/ or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and Technology Center - Corning Optical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Steve Street
Date of Inspection: 3/13/2016
Time of Inspection: 11:07 am
Total Event Precipitation (inches):.10"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
® Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature,-I-certifythis report' accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
© 2016 Corning Incorporated. All Rights Reserved.
Pagel of 2
SWU-242, Last modified 10/25/2012

1. Outfall Description:
Outfall No. 004 Structure (pipe, ditch, etc.) Pine
Receiving Stream: Clark's_Creek
Describe the industrial activities that occur within the outfall drainage area: No industrial activities,
only a warehouse.
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Color was medium yellow.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was rem
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
1 Q2 3 4 5
S. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
1 0 3 4 5
b. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
1 3 4 5
7. Is there any foam in the stormwater discharge? Yes No
8. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
© 2016 Corning Incorporated. All Rights Reserved.
Page 2 of 2
SWU-242, Last modified 10/25/2012

WDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
Forguidance on filling out this form, please visit. http//portal.ncdeiir.org/web/wq/wslsu/ni2dessw#tab-4
Permit No.: N/C/ 0/ 3/0/0/0/Q/0/ or Certificate of Coverage No.: N/C/G/_/—/_/_/_/_/
Facility Name: Hickory Manufacturing and Technology Center - Corning Optical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Steve Street
Date of Inspection: 3/13/2016
Time of Inspection: 11:21 am
Total Event Precipitation (inches):.10"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
® Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary.
Most er..__..._....-............._......_._._._._._.._...._......__._...__.................... .... .... ......... _......__._._..... _..._..........,
Q g q y. permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
i
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signatur I certify that this repq is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
© 2016 Corning Incorporated. All Rights Reserved.
Pagel of 2
SWU-242, Last modified 10/25/2012

I. Outfall Description:
Outfall No. 005 Structure (pipe, ditch, etc.) Pipe
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: Manufacture of fiber
optic cable and warehouse.
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Color was light yellow.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
1 3 4 5
S. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
1 3 4 5
b. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
1 0 3 4 5
7. Is there any foam in the stormwater discharge? Yes No
8. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
© 2016 Corning Incorporated. All Rights Reserved.
Page 2 of 2
SWU-242, Last modified 10/25/2012

Semi-annual Stormwater Discharize Monitoring Re ort
for North Carolina Division of Water Quality General Permit No. NCG030000
1) c &0_6 0 % Date submitted: 02 02 2016
CERTIFICATE OF COVERAGE NO. NCG030000
FACILITY NAME: HickoDL Manufacturing and Technology Center
COUNTY: Catawba
PERSON COLLECTING SAMPLES: Paul Travis
LABORATORY: Water Tech Labs Lab Cert. # 50
Comments on sample collection or analysis:
Part A: Stormwater Benchmarks and Monitoring Results
SAMPLE COLLECTION YEAR: 2015
SAMPLE PERIOD ❑ Jan -June ❑ July -Dec
or ® Monthly' — Dec
DISCHARGING TO CLASS ❑ORW ❑HQW []Trout ❑PNA
❑Zero -flow ❑Water Supply ❑SA
RECEIVED ❑Other
FEB 0-8 Z016 PLEASE REMEMBER TO SIGN ON PAGES 2 AND/OR 3 4
CENTRAL FILES
DWR SECTION ❑ No discharge this period?'
Date Sample
24hour rainfall
pH,
Non-Polar O&G/
Total Toxic
Outfall No.
1
Collected
amount,
Total Suspended Solids
Standard units
Copper
Lead
Zinc
Total Petroleum
5
Organics
(mo/dd/yr)
Inches3
Hydrocarbons
Benchmarks
_
-
100 mg/L or 50 mg/L
6.0 — 9.0
0.007 mg/L
0.03 mg/L
0.067 mg/L
15 mg/L
1 mg/L
1
12/14/15
.35"
21.3 mg/I
7.15
.016 mg/I
<.003 mg/I
.310 mg/I
<5.6 mg/I
N/A
2
12/14/15
.35"
26.7 mg/l
7.10
.021 mg/I
.003 mg/I
.630 mg/I
<5.6 mg/I
N/A
3
12/14/15
.35"
19.0 mg/l
6.87
.015 mg/I
<.003 mg/I
.620 mg/I
<5.6 mg/I
N/A
5
12/24/15
.35"
5.5 mg/I
6.81
1 .005 mg/I
<.003 mg/I
.088 mg/I
<5.6 mg/I
N/A
1 Monthly sampling (instead of semi-annual) must begin with the second consecutive benchmark exceedance for the same parameter at the same outfall.
2 For sampling periods with no discharge at any single outfall, you must still submit this discharge monitoring report with a checkmark here.
3The total precipitation must be recorded using data from an on -site rain gauge. Unattended sites may be eligible for a waiver of the rain gauge requirement.
4 See General Permit, Table 3 identifying the especially sensitive receiving water classifications where the more protective benchmark applies.
5 Total Toxic Organics sampling is applicable only for those facilities which perform metal finishing operations, manufacture semiconductors, manufacture
electronic crystals, or manufacture cathode ray tubes. For purposes of this permit the definition of Total Toxic Organics is that definition contained in the EPA
Effluent Guidelines for the facility subject to the requirement to sample (for metal finishing use the definition, as ffo?un 40, ff,R 433.11; for semiconductor
manufacture use the definition as found in 40 CFR 469.12; for electronic crystal manufacture useFR�Nefirlitioni ass tound,- §nA CBFR 469.22; and for cathode ray
tube manufacture use the definition found in 40 CFR 469.31). �J
O 2016 Corning Incorporated. All Rights Reserved.
Permit Date: 11/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 1 of 3

Facil«ties that incorporate a solvent management plan into the Stormwater Pollution Prevention Plan may so certify, and the requirement for TTO monitoring
may be waived. The solvent management plan shall include a list of the total toxic organic compounds used and the other elements listed in the General
Permit. For those facilities electing to employ the TTO monitoring waiver, the discharger shall sign the following certification statement:
"Based upon my inquiry of the person or persons directly responsible for managing compliance with the permit monitoring requirement for total toxic organics
(Tf0), I certify that to the best of my knowledge and belief, no dumping of concentrated toxic organics into the stormwater or areas which are exposed to rainfall or
stormwater runoff has occurred since filing the last discharge monitoring report. I further certify that this facility is implementing the all the provisions of the
solvent management plan included in the Stormwater Pollution Prevention Plan."
N/A_
Name (Print name)
N/A_
Title (Print title)
(Signature)
(Date)
Note: Results must be reported in numerical format. Do not repo Below Detection Limit, BDI_, <PQL, Non -detect, ND, or other similar non -numerical
format. When results are below the applicable limits, they must be reported in the format "<XX mg/L", where XX is the numerical value of the detection
limit, reporting limit, etc. in mg/L.
Note: if you report a sample value in excess of the benchmark, you must implement Tier 1, Tier 2, or Tier 3 responses. See General Permit text.
Part B: Vehicle Maintenance Area Monitoring Results: only for facilities averaging > 55 gal of new oil per month.
❑ No discharge this period?z
Outfall No.
Date Sample
Collected'
(mo/dd/yr)
24-hour rainfall
amount,
Inches
Non -polar O&G/TPH by
EPA 1664 (SGT-HEM)
Total Suspended Solids
pH
Benchmarks ===>
_
-
15 mg/L
100 mg/L or 50 mg/L*
6.0 — 9.0 SU
N/A
N/A
N/A
N/A
N/A
N/A
OO 2016 Corning Incorporated. All Rights Reserved.
Permit Date: 11/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 2 of 3

Foot -notes from Part A also apply to this Part B
* See General Permit text, Table 5, identifying the especially sensitive receiving water classifications where the more protective benchmark applies.
Note: if you report a sample value in excess of the benchmark, you must implement Tier 1, Tier 2, or Tier 3 responses. See General Permit text.
FOR PART A AND PART B MONITORING RESULTS:
• A BENCHMARK EXCEEDANCE TRIGGERS TIER 1 REQUIREMENTS. SEE PERMIT PART II SECTION B.
• 2 EXCEEDANCES IN A ROW FOR THE SAME PARAMETER AT THE SAME OUTFALL TRIGGER TIER 2 REQUIREMENTS. SEE PERMIT PART II SECTION B.
• TIER 3: HAS YOUR FACILITY HAD a OR MORE BENCHMARK EXCEEDENCES FOR THE SAME PARAMETER AT ANY ONE OUTFALL? YES ® NO❑
IF YES, HAVE YOU CONTACTED THE DWQ REGIONAL OFFICE? YES ® NO ❑
REGIONAL OFFICE CONTACT NAME: Several discussions and correspondence held with Samar Bou-Ghazale.
Mail an original and one copy of this DMR, including al! "No Discharge" reports, within 30 days of receipt of the lab results (or at end of monitoring period
in the case of "No Discharae" reports] to: _ _
Division of Water Quality
Attn: DWQ Central Files
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
YOU MUST SIGN THIS CERTIFICATION FOR ANY INFORMATION REPORTED:
"I certify, under penalty of law, that this document and all attachments were prepared under my direction or supervision in accordance with a system designed to
assure that qualified personnel properly gather and evaluate the information submitted. Based on my inquiry of the person or persons who manage the system, or
those persons directly responsible for gathering the information, the information submitted is, to the best of my knowledge and belief, true, accurate, and complete.
am aware that there are significant p"hies for submitting false information, including the possibility of fines and imprisonment for knowing violations."
(Signature of Permittee)
(Date)
© 2016 Corning Incorporated. All Rights Reserved.
Permit Date: 11/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 3 of 3

6�0 3 6
NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
For guidance on filling out this form, please visit. http: /l portal.ncdenr.org/web/wq Jw5Au f, npdes5w#tab-4
Permit No.: N/C/ D//0/0/0/0/0/ or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and Technology Center - Corning Optical Communications
County: Catawba Phone No.: 828-901-669S
Inspector: Steve Street
Date of Inspection: 2/2212016
Time of Inspection: 11:15 am
Total Event Precipitation (inches):.75"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
© Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during,a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event' is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature,, certify that this report is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
© 2016 Corning Incorporated. All Rights Reserved.
Pagel of 2
SWU-242, Last modified 10/25/2012

1. Outfall Description:
Outfall No. 001 Structure (pipe, ditch, etc.) Pine
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: Reel storage, solid
waste containers designated for landfill, hazardous waste storage, and R&D building,
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Color was light brown.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
1 0 3 4 S
5. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
Q 2 3 4 5
b. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
1 Q 3 4 5
7. Is there any foam in the stormwater discharge? Yes No
8. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
O 2016 Corning Incorporated. All Rights Reserved.
Page 2 of 2
SWU-242, Last modified 10/25/2012

A
NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
Forguidance on filling out this form, please visit: hUp:1/129rtal.ncdpnr.grglwgb? wglws/5u/updessw#tab-4
Permit No.: N/C/ 0/ 3/Q/0/0/0/0/ or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and Technology Center - Corning Optical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Steve Street
Date of Inspection: 2/22/2016
Time of Inspection: 11:04 am
Total Event Precipitation (inches):.75"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
© Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a 'representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature, I certify that thjs report is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
© 2016 Corning Incorporated. All Rights Reserved.
Pagel of 2
SWU-242, Last modified 10/25/2012

1. Outfall Description:
Outfall No. 002 Structure (pipe, ditch, etc.) Pi e
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: Solid waste containers
designated for landfill, metal recycling container. and chemical storage area (covered).
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Discharge was light brown.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odors were present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
1 5 3 4 5
S. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
n1 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and S is extremely muddy.-
1 22 3 4 5
7. Is there any foam in the stormwater discharge? Yes No
B. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes Na
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
(Vote: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
© 2016 Corning Incorporated. All Rights Reserved.
Page 2 of 2
SWU-242, fast modified 10/25/2012

���
,M�
NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
For guidance on filling out this form, please visit. http://portal.ncdenr.org/web/wq/ws/su/npdessw#tab-_4
Permit No.: N/C/ 0/ 3/0/0/0/0/0/ or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and Technology Center - Corning Optical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Steve Street
Date of Inspection: 2/22/2016
Time of Inspection: 11:06 am
Total Event Precipitation (inches):.75"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
® Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
i
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
i precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature, I certify that this,report is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
© 2016 Corning Incorporated. All Rights Reserved.
Page 1 of 2
SWU-242, Last modified 10/25/2012

1. Outfall Description:
Outfall No. M Structure (pipe, ditch, etc.) Pine
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: Reel storage, machine
shop. and warehouse.
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Discharge was light brown.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
1 0 3 4 5
5. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
T 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
1 n2 3 4 5
7. Is there any foam in the stormwater discharge? Yes No
B. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious indicators of stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
© 2016 Corning Incorporated. All Rights Reserved.
Page 2 of 2
SWU-242, last modified 10/25/2012

NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
For guidance on filling out this form, please visit: http_//portal.ncdenr.org/web/wq /ws/su/nj2dessw#tab-4
Permit No.: NX/ 0/ 3/Q/Q/Q/Q/Q/ or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and Technology Center - Corning Optical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Steve Street
Date of Inspection: 2/22/2016
Time of Inspection: 11:10 am
Total Event Precipitation (inches):.75"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
© Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
01 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event' is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature, I certify ththis report is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
© 2016 Corning Incorporated. All Rights Reserved,
Page 1 of 2
SWU-242, Last modified 10/25/2012

1. Outfall Description:
Outfall No. 004 Structure (pipe, ditch, etc.) Pine
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfail drainage area: No industrial activities,
only a warehouse.
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Color was clear.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
�l 2 3 4 5
5. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
n1 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
Q1 2 3 4 5
7. Is there any foam in the stormwater discharge? Yes No
8. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfali? Yes No
14. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
© 2016 Corning Incorporated. All Rights Reserved.
Page 2 of 2
SWU-242, Last modified 10/25/2012

j'A
AQ=
NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
Forguidance on filling out this form, please visit: http:./Iportal.ncdenr.orc/web jw�jwsfsu/npdessw#tab-4
Permit No.: N/C/ 0/ 3/Q/0/0/0/Q/ or Certificate of Coverage No.: N/C/j/_/_/_/_/_/_/
Facility Name: Hickory Manufacturing and Technology Center - Corning Optical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Steve Street
Date of Inspection: 2 22 2016
Time of Inspection: 11:22 am
Total Event Precipitation (inches):.75"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
® Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfal[. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature, I certify that this re ort is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
OO 2016 Corning Incorporated. All Rights Reserved.
Pagel of 2
SWU-242, Last modified 10/25/2012

1. Outfall Description:
Outfall No. 005 Structure (pipe, ditch, etc.) Pipe
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: Manufacture of fiber
optic cable and warehouse.
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Color was clear.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
�1 2 3 4 5
5. floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
H1 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
2 3 4 5
7. Is there any foam in the stormwater discharge? Yes No
6. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
© 2016 Corning Incorporated. All Rights Reserved.
Page 2 of 2
SWU-242, Last modified 10/25/2012

IdATERin icH LRBS.Inc.
POST OFFICE BOX 1056 • #5 PINEWOOD PLAZA DR.
GRANITE FALLS, NORTH CAROLINA 26630
[phone]
SAMPLE: Corning Optical (001) COLLECTION DATE.,
2/22/2016
PERMIT #: COLLECTION TIME:
11:15
ADDRESS: Corning Optical RECEIVED DATE:
2/22/2016
P.O. Box 489
RECEIVED TIME:
12:32
Hickory, NC 28603-0489
REPORTED:
3/23/2016
._._ANALYSIS
ANALYSIS
RESULTS
UNITS
DATE ANALYST
Lead
0.005
mg/L
317116
TSS
31.0
mg1L
2123116 irg
Copper
0.019
mg1L
3122116
Zinc
0.464
mg/L
311116
Oil & Grease
<5.6
mg/L
2/26116 pdg
I
LOG ID: 1602-342 REPORTED BY: NC CERTIFIED LAB # 50
fv�
Tony Gragg, Lab Supervisor

14RTERiTECH LAB.S.Inc.
POST OFFICE BOX 1056 • #5 PINEWOOD PLAZA DR.
GRANITE FALLS, NORTH CAROLINA 28630
[phone]
SAMPLE.' Corning Optical (002) COLLECTION DATE:
2/22/2016
PERMIT #: COLLECTION TIME:
11:04
ADDRESS: Corning Optical RECEIVED DATE.-
2/22/2016
P.O. Box 489
RECEIVED TIME:
12:32
Hickory, NC 28603-0489
REPORTED:
3/23/2016
ANALYSIS
__ .------- - -
ANALYSIS
RESULTS
UNITS
DATE ANALYST
Lead
0.005
mg/L
317116
TSS
41.0
mg/L
2I23116 jrg
Copper
0.030
mg/L
3I22116
Zinc
0.835
mg/L
311116
Oil & Grease
<5.6
mg/L
2126/16 jdg
LOG 1D, 1602-343 REPORTED BY: NCCERTIFIEDLAB # 50
fell� �' 0 P
Tony Gragg, Lab Supervisor

WRTERiTECH U1115
nc.
POST OFFICE BOX 1056 • #5 PINEWOOD PLAZA DR.
GRANITE FALLS, NORTH CAROLINA 28630
[phone]
SAMPLE., Corning Optical (003) COLLECTION DATE:
2/22/2016
PERMIT #: COLLECTION TIME:
11:06
ADDRESS: Corning Optical RECEIVED DATE:
2/22/2016
P.O. BOX 489
RECEIVED TIME:
12:32
Hickory, NC 28603-0489
REPORTED:
3/23/2016
j
ANALYSIS
ANALYSIS
RESULTS
UNITS
DATE ANALYST
Lead
0.004
mg1L
317116
TSS
46.0
mgIL
2/23116 jrg
Copper
0.014
mg1L
3/22116
Zinc
0.596
mg1L
311116
Oil 8 Grease
-
<5.6
mg1L
2126116 jdg
_ f
LOG ID: 1602-344 REPORTED BY: NC CERTIFIED LAB 9 50
fk� *
Tony Gragg, Lab Supervisor

uRrER6rECH LRB.S.-C.
POST OFFICE SOX 1056 •MI5 PINEWOOD PLAZA DR.
GRANITE FALLS, NORTH CAROLINA 28630
[phone]
SAMPLE: Corning Optical (005) COLLECTION DATE:
2/22/2016
PERMIT #: COLLECTION TIME:
11:22
ADDRESS: Corning Optical RECEIVED DATE:
2/22/2016
P.O. Box 489
RECEIVED TIME:
12:32
Hickory, NC 28603-0489
REPORTED:
3/23/2016
ANALYSIS
ANALYSIS
RESULTS
UNITS
DATE
ANALYST
Lead
<0.003
mg/L
317116
TSS
21.3
mg/L
2/23116
irg
Copper
0,004
mg/L
3/22116
Zinc
0.116
mg/L
317/16
Oil & Grease
<5.6
mg/L
2126/16
idg
j
i
LOG ID: 1602-345 REPORTED BY: NCCERTIFIEDLAB # 50
fk*
'Pony Gragg, Lab Supervisor

.` RESEARCh & ANA1yT9CA[
LA ORAT®RIESr INC.
For: Water Tech Labs, Inc.
P.O. Box 1056
Granite Falls, NC 28630
Attn: Jae Gragg
Report of Analysis
3/23/2016
`%.-t��uttrrr�r��'i
4-
co NC H34 Z Cfi
NC437701
w
AO�yi�iw
Client Sample ID: Corning -Riser Lab Sample ID: 15562-01
Site: Water Tech Labs Collection Date: 2/22/2016 8:45
Parameter Method Result Units Reg Limit Analyst Analysis Date[Time
Copper, Total SM 3113 B-2004 0.024 mg/L 0.002 AA 3/22/2016
Lead, Total SM 3113 B-2004 0.007 mg/L 0.003 AA 317/2016
Zinc, Total EPA 200.7 0.157 mg/L 0.01 JC 3/10/2016
Client Sample 10: Corning -001 Lab Sample ID: 15562-02
Site: Water Tech Labs Collection Date: 2/22/2016 11:15
Parameter Method Result Units Rep Limit Analyst Analysis Date/Time I
Copper, Total SM 3113 B-2004 0.019 mg/L 0.002 AA 3/22/2016
Lead, Total SM 3113 B-2004 0,005 mg1L 0.003 AA 3f7/2016
Zinc, Total EPA 2007 0.464 mg/L 0.01 AA 31112016
Client Sample ID: Corning -002 Lab Sample ID: 15562-03
Site: Water Tech Labs Collection Date: 2/22/2016 11:04
Parameter Method Result Units Rep Limit Analyst Analysis Date/Time
Copper, Total SM 3113 B-2004 0,030 mg/L 0.002 AA 3122/2016
Lead, Total SM 3113 B-2004 0.005 mg1L 0.003 AA 3/712016
Zinc, Total EPA 200.7 0.835 mglL 0.01 AA 3/1/2016
Client Sample ID: Corning -003 Lab Sample ID: 15562-04
Site: Water Tech Labs Collection Date: 2/22/2016 11:06
Parameter Method Result Units Rep Limit Analyst Analysis Datejime
Copper, Total SM 3113 B-2004 0.014 mg/L 0.002 AA 3122/2016
_-_-_�_--_ _....... . ............-._. .............
P.O. Box_._ 473—_10b Sho__rt_Street.__Kernersville.-.__North.____...-Carolina------.__ 27284 Tei: 33fi-99fi-2841....... Fax:. ._ 336-996-0326. _.._ _._
w.-�,_vw_-_ran_.dalabs.c_..----.om Page 1
ral CC3 hdSu; v Id

KESEARCh & ANA1yTiCA
Report
of Analysis
LA ORAT®RiES, INC.
31231201E
Client Sample
ID:
Lab Sample ID:
Site:
Collection Date:
11:06
Parameter
Method
Result Units Rep Limit Analyst Analysis Dateffime
Lead, Total
SM 3113 B-2004
0.004 mg1L 0.003 AA
3/7/2016
Zinc, Total
EPA 200.7
0.596 mg1L 0.01 AA
3/112016
Client Sample ID:
Corning -005
Lab Sample ID:
1556M5
Site:
Water Tech Labs
Collection Date:
2/22/2016 1 1:22
Parameter Method Result Units Rep Limit Analyst Analysis Date/Time
Copper, Total
SM 3113 B-2004
0.004
mg1L
0.002
AA
3/22/2016
Lead, Total
SM 3113 B-2004
<0.003
mg/L
0.003
AA
3/7/2016
Zinc, Total
EPA 200.7
0.116
mg/L
0.01
AA
3/1/2016
PIA = not Gnafv��U
P.O. Box 473 106 Short Street Kernersville, North Carolina 27284 Tel: [phone] Fax: [phone] www.randalabs.com Page 2
ra! caa L;�s�r. vld

WMA\TFERI)_ TE_fo__j1C__,, Rr- I LABS', I nric..,
5 Pinewood Plaza Drive -- P.0, Box 1056
Granite Falls, NC 28630
Phone [phone] — Fax [phone]
CLIENT: Corning Cable Systems-TC Pit PHONE NUMBER: 828-327-5000
c/o Steve Street TYPE SAMPLE: Stormwater
P.O Box 489 No. LOCATIONS: 4
Hickory, NC 28603-0489 SAMPLER NAME:
Sample Collection
Information
TYPE
CONTAINERS
ANALYSIS REQUIRED
Sample Location
Facility Name
DATE
TIME
TEMP. °C
Grab/
Composite
No.
Plastic/
Glass
Discharge 001
��
t
���
Grab
3
PlastiGlass/
TSS, Oil & Gr., Lead, Copper, Zinc
Discharge 002
a�jV
,
Grab
3
Glass'
TSS, Oil & Gr., Lead, Copper, Zinc
Discharge 003
+�'�
,
Grab
3
Plastic/
Glass
TSS, Oil & Gr., Lead, Copper, Zinc
Discharge 005�
►
Grab
3
Glass/
TSS, Oil & Gr., Lead, Copper, Zinc
Relinquished By:
Date:
Time:
Reci ved By,
Date-
Time:
Reli quished By:
Date:
Time:
Re c ' d By:
Date:
Time:
PRESERVATION:
f
0
( 2SO4
flNa
( 03
�] Dechlornating Agent
(] Other
SAMPLE TEMP. @ LAB (°C)
Chlorine Residual mg/l
NC CERTIFIED LAB # 50

CORNING
February 18"', 2016
Steve Street
Sr. EHS Coordinator
Division of Energy, Mineral, and Land Resources
Attn: DWQ Central Files
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
Dear Sir/Madam:
Hickory Manufacturing and t 828-901-6695
Technology Center f 828.901-5665
PO Box 489 [e-mail]
Hickory, NC 28603 www.corning.com
p66- 6 :3 6 Jyk
RECEIVED
MAR 0 2 Z016
CENTRAL FILES
DWR OECTION
Please find enclosed an original and one (1) copy of the Stormwater Discharge Monitoring
Report for Corning Optical Communications, LLC -- Hickory Manufacturing and Technology
Center (HMTC) located in Hickory, Catawba County, North Carolina. The stormwater
samples were collected on 1 /08/2016 for all permitted outfalls and represent the monthly
sample as specified in the Tier II requirements of HMTC's stormwater permit.
The results are mixed and reflect HMTC to be outside the benchmark value for the following
parameters:
• Copper — Stormwater Outfall 1, 2, and 3
in Zinc — Stormwater Outfall 1, 2, and 3
Additional attachments include the Laboratory Analytical Report, Chain -of -Custody, and
Qualitative Monitoring Report. Please contact me if you have any questions at 828-901-6695.
Sincerely,
PrIk�21-0110-11
Stephen L Street
Senior Environmental, Health and Safety Coordinator
attachments
@ 2016 Corning Incorporated. All Rights Reserved.

Semi-annual Stormwater Discharge Monitoring Report
for North Carolina Division of Water Quality General Permit No. NCG030000
hcG- Date submitted: 02/18/2016
CERTIFICATE OF COVERAGE NO. NCG030000
FACILITY NAME: _Hickory Manufacturing and Technology Center
COUNTY: Catawba
PERSON COLLECTING SAMPLES: Steve Street
LABORATORY: Water Tech Labs Lab Cert. # SO
Comments on sample collection or analysis: r
Part A: Stormwater Benchmarks and Monitoring Results
SAMPLE COLLECTION YEAR: 2016
SAMPLE PERIOD ❑ Jan -June ❑ July -Dec
or � Monthly' — tan
DISCHARGING TO CLASS ❑ORW ❑HQW []Trout ❑PNA
❑Zero -flow ❑Water Supply ❑SA
❑Other
PLEASE REMEMBER TO SIGN ON PAGES 2 AND/OR 3 4
❑ No discharge this period?z
Date Sample
24-hour rainfall
pH,
Non -Polar O&G/Total
Toxic
Outfall No.
Collected'
amount,
Total Suspended Solids
Standard units
Copper
Lead
Zinc
Total Petroleum
Organicss
(mo/dd/yr)
Inches3
Hydrocarbons
Benchmarks =__>
_
-
100 mg/L or 50 mg/L
6.0 — 9.0
0.007 mg/L
0.03 mg/L
0.067 mg/L
15 mg/L
1 mg/L
1
1/09/16
.07"
27 mg/I
6.88
.020 mg/I
.004 mg/I
.335 mg/1
<5.6 mg/I
N/A
2
1/08/16
.07"
45 mg/I
6.59
.031 mg/I
.008 mg/I
1.01 mg/I
<S.6 mg/I
N/A
3
1/08/16
.07"
35 mg/I
6.79
.016 mg/I
.006 mg/I
.549 mg/I
<5.6 mg/I
N/A
5
1/08/16
.07"
9.0 mg/1
7.82
.004 mg/I
i <.003 mg/I
.047 mg/t
<5.6 mg/I
N/A
1 Monthly sampling (instead of semi-annual) must begin with the second consecutive benchmark exceedance for the same parameter at the same outfall.
z For sampling periods with no discharge at any single outfall, you must still submit this discharge monitoring report with a checkmark here.
3The total precipitation must be recorded using data from an on -site rain gauge. Unattended sites may be eligible for a waiver of the rain gauge requirement.
Is See General Permit, Table 3 identifying the especially sensitive receiving water classifications where the more protective benchmark applies.
5 Total Toxic Organics sampling is applicable only for those facilities which perform metal finishing operations, manufacture semiconductors, manufacture
electronic crystals, or manufacture cathode ray tubes. For purposes of this permit the definition of Total Toxic Organics is that definition contained in the EPA
Effluent Guidelines for the facility subject to the requirement to sample (for metal finishing use the definition as found in 40 CFR 433.11; for semiconductor
manufacture use the definition as found in 40 CFR 469.12; for electronic crystal manufacture use the definition as found in 40 CFR 469.22; and for cathode ray
tube manufacture use the definition found in 40 CFR 469.31).
O 2016 Corning incorporated. All Rights Reserved.
Permit Date: 11/1/2012-10/31/2017
r
SWU-245, last revised 10/25/2012
Page 1 of 3

Facilities that incorporate a solvent management plan into the Stormwater Pollution Prevention Plan may so certify, and the requirement for TTO monitoring
may be waived. The solvent management plan shall include a list of the total toxic organic compounds used and the other elements listed in the General
Permit. For those facilities electing to employ the TTO monitoring waiver, the discharger shall sign the following certification statement:
"Based upon my inquiry of the person or persons directly responsible for managing compliance with the permit monitoring requirement for total toxic organics
(TTO), I certify that to the best of my knowledge and belief, no dumping of concentrated toxic organics into the stormwater or areas which are exposed to rainfall or
stormwater runoff has occurred since filing the last discharge monitoring report. I further certify that this facility is implementing the all the provisions of the
solvent management plan included in the 5tormwater Pollution Prevention Plan."
N/A
Name (Print name)
Title (Print title)
N/A
(Signature)
(Date)
Note: Results must be reported in numerical format. Do not report Below Detection Limit, BDL, <PQL, Non -detect, ND, or other similar non -numerical
format. When results are below the applicable limits, they must be reported in the format "<XX m L" where XX is the numerical value of the detection
limit, reporting limit, etc. in mg/L.
Note: If you report a sample value in excess of the benchmark, you must implement Tier 1, Tier 2, or Tier 3 responses. See General Permit text.
Part B. Vehicle Maintenance Area Monitoring Results: only for facilities averaging > 55 gal of new oil per month,
❑ No discharge this period?'
Outfall No.
Date Sample
Collected'
(mo/dd/yr)
24-hour rainfall
amount,
Inches3
Non -polar O&G/TPH by
EPA 1664 (SGT-HEM)
Total Suspended Solids
pH
Benchmarks ==>
-
-
15 mg/L
100 mg/L or 50 mg/L*
6.0 — 9.0 SU
N/A
N/A
N/A
N/A
N/A
N/A
© 2016 Corning Incorporated. All Rights Reserved.
Permit Date: 11/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
' Page 2of3

Footnotes from Part A also apply to this Part B
* See General Permit text, Table 5, identifying the especially sensitive receiving water classifications where the more protective benchmark applies.
Note: If you report a sample value in excess of the benchmark, you must implement Tier 1, Tier 2, or Tier 3 responses. See General Permit text.
FOR PART A AND PART B MONITORING RESULTS:
• A BENCHMARK EXCEEDANCE TRIGGERS TIER 1 REQUIREMENTS. SEE PERMIT PART II SECTION B.
• 2 EXCEEDANCES IN A ROW FOR THE SAME PARAMETER AT THE SAME OUTFALL TRIGGER TIER 2 REQUIREMENTS. SEE PERMIT PART If SECTION B.
• TIER 3: HAS YOUR FACILITY HAD 4 OR MORE BENCHMARK EXCEEDENCES FOR THE SAME PARAMETER AT ANYONE OUTFALL? YES ®NO❑
IF YES, HAVE YOU CONTACTED THE DWQ REGIONAL OFFICE? YES® NO ❑
REGIONAL OFFICE CONTACT NAME: Several discussions and correspondence held with Mr. Samar Bou-Ghazale with the Mooresville regional office.
Mail an original and one copy of this DMR including all "No Discharge" reports, within 30 days of recei t _of the lab results or at end of monitorin-g Veriod
in the case of "No Discharge" reports) to:
Division of Water Quality
Attn: DWQ Central Files
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
YOU MUST SIGN THIS CERTIFICATION FOR ANY INFORMATION REPORTED:
"I certify, under penalty of law, that this document and all attachments were prepared under my direction or supervision in accordance with a system designed to
assure that qualified personnel properly gather and evaluate the information submitted. Based on my inquiry of the person or persons who manage the system, or
those persons directly responsible for gathering the information, the information submitted is, to the best of my knowledge and belief, true, accurate, and complete
am aware that there are significant penalties for submitting false information, including the possibility of fines and imprisonment for knowing violations."
(Signature of Permittee)
(Date)
O 2016 Corning Incorporated. All Rights Reserved.
Permit Date: 11/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 3of3

���
NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
For guidance on filling out this form, please visit. http:l/portal-ticdepi-,org/weblwq/ws/su/npdessw#tab-4
Permit No.: N/C/ 0/ 3/Q/0/0/0/0/ or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and Technology Center - Corning Optical, Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Steve Street
Date of Inspection: 1MZ2016
Time of Inspection: 9:43 am
Total Event Precipitation (inches):.07"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
® Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
I �
A "representative storm event' is a storm event that measures greater than 0.1 inches of rainfall
` and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation. j
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
I prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter I
interval is representative for local storm events during the sampling period, and the permittee
E obtains approval from the local DWQ Regional Office.
By this signature, I certify that this report is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
© 2016 Corning Incorporated. All Rights Reserved.
Page 1 of 2
5WU-242, Last modified 10/25/2012

1. Outfall Description:
Outfall No. 001 Structure (pipe, ditch, etc.) Pipe
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: Reel storage, solid
waste containers designated for landfill, hazardous waste storage, and R&D building
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Color was clear.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
T 2 3 4 5
5. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
2 3 4 S
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
Q 2 3 4 5
7. Is there any foam in the stormwater discharge? Yes No
8. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
0 2016 Corning Incorporated. All Rights Reserved.
Page 2 of 2
5WU-242, Last modified 10/25/2012

AlA
NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
For guidance an filling out thisform, please visit: http://portal.ncdenr.orglweblwq/ws/suZnpdessw#tab-4
Permit No.: N/C/ 0//0/Q/0/Q/0/ or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and Technology Center — Corning Optical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Steve Street
Date of Inspection: 1/0812016
Time of Inspection: :50 am
Total Event Precipitation (inches):.07"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
Ryes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event"or ineasureablestorm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature, I certify,that this report is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
© 2016 Corning Incorporated. All Rights Reserved.
Pagel of 2
SWU-242, Last modified 10/25/2012

1. Outfall Description:
Outfall No. 002 Structure (pipe, ditch, etc.) Pine
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: Solid waste containers
designated for landfill metal recycling container, n chemical storage area covered .
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Discharge was light brown.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odors were present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
1 Q 3 4 5
5. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
1 0 3 4 5
7. Is there any foam in the stormwater discharge? Yes No
8, Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
© 2016 Corning Incorporated. AN Rights Reserved.
Page 2 of 2
SWU-242, Last modified 10/25/2012

NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
Forguidance on filling out this form, please visit. httj2://j2ortal.ncdenr.org.jwgh w �ws jsu jnpdessw#tab-4
Permit No.: or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and Technology Center - Corning Optical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Steve Street
Date of Inspection:1/08/2016
Time of Inspection: :47 am
Total Event Precipitation (inches):.07"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
© Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature? I certify that this report is accurate and complete to the best of my knowledge:
l
of Permittee or Designee)
© 2016 Corning Incorporated. All Rights Reserved.
Pagel of 2
SWt1-242, Last modified 10/25/2012

1. Outfall Description:
OutfaIl No. 0033 Structure (pipe, ditch, etc.) Pipe
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: Reel storage, machine
shop, and warehouse.
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Discharge was clear.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
Q1 2 3 4 5
5. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
Q 2 3 4 5
b. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
1 22 3 4 5
7. Is there any foam in the stormwater discharge? Yes H
8. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
O 2016 Corning Incorporated. All Rights Reserved.
Page 2 of 2
5WU-242, Last modified 10/25/2012

���
NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
For guidance on filling out this form, please visit: http//portal.ncdenr.org/web/wq/wslsu/ni2dessw#tab-4
Permit No.: .N/C/ a/ 3/0/0/a/a/a/ or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and Technology Center - Corning Optical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Steve Street
Date of Inspection: 1/08/2016
Time of Inspection: 9:52 am
Total Event Precipitation (inches).-.07"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
© Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
01 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event' is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this sig"ure, ]-certify that thjs report is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
© 2016 Corning Incorporated. All Rights Reserved.
Page 1 of 2
SWU-242, Last modified 10/25/2012

0
1. Outfall Description:
Outfall No. 004 Structure (pipe, ditch, etc.) Pipe
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: No industrial activities,
only a warehouse.
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Color was clear.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
Q1 2 3 4 5
5. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
n 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
Q1 2 3 4 5
7. Is there any foam in the stormwater discharge? Yes No
8. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
© 2016 Corning Incorporated. All Rights Reserved.
Page 2 of 2
SWU-242, last modified 10/25/2012

A14
NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
For guidance on filling out this form, please visit. httl2://12ortal,iicdenr.org/web/wq/ws/su/npdessw#tgb-4
Permit No.: N/C/ 0/ 3/0/0/0/0/0/ or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and -Technology Center - Corning Optical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Steve Street
Date of Inspection: 1/0812016
Time of Inspection: 10:04 am
Total Event Precipitation (inches):.07"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
®Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to he
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site out -fall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature, I certify that this report is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
OO 2016 Corning Incorporated. All Rights Reserved.
Pagel of 2
SWU-242, Last modified 10/25/2012

1. Outfall Description:
Outfall No. 005 Structure (pipe, ditch, etc.) Pipe
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: Manufacture of fiber
optic cable and warehouse.
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Color was clear.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
al 2 3 4 5
S. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
0 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
1 2 3 4 5
7. Is there any foam in the stormwater discharge? Yes No
8. Is there an oil sheen in the stormwater discharge? Yes H
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
© 2016 Corning Incorporated. All Rights Reserved.
Page 2 of 2
SWU-242, Last modified 10/25/2012

URrfRiTECH LRESInC.
POST OFFICE BOX 1056 • #5 PINEWOOD PLAZA DR.
GRANITE FALLS, NORTH CAROLINA 26630
[phone]
SAMPLE: Corning Optical (001) COLLECTION DATE: 1/8/2016
PERMIT #: COLLECTION TIME: 09:43
ADDRESS: Corning Optical RECEIVED DATE: 1/8/2016
P.O. Box 489 RECEIVED TIME: 11:35
Hickory, NC 28603-0489
REPORTED: 2/12/2016
ANALYSIS
ANALYSIS
RESULTS
UNITS
DATE ANALYST
Lead
0.004
mg/L
213116
TSS
27.0
mg/L
1/11115 irg
Copper
0.020
mg/L
1/21116
Zinc
0.335
mg/L
1/25116
Oil & Grease
<5.6
mg/L
V11116 jdg
LOG ID: 1601-128 REPORTED BY: NC CERTIFIED LAB # 50
fa�
Tony Gragg, Lab Supervisor

1dRTER6rKcH LassInc.
POST OFFICE BOX 1056 • #5 PINEWOOD PLAZA DR.
GRANITE FALLS, NORTH CAROLINA 28630
[phone]
SAMPLE: Corning Optical (002) COLLECTION DATE:
1/8/2016
PERMIT #: COLLECTION TIME:
09:50
ADDRESS: Corning Optical RECEIVED DATE:
1/8/2016
P.O. Box 489
RECEIVED TIME:
11-135
Hickory, NC 28603-0489
REPORTED:
2/12/2016
ANAL YSIS
ANALYSIS
RESULTS
UNITS
DATE ANALYST
Lead
0.008
mg/L
213116
TSS
45.0
mg/L
1/11115 irg
Copper
0.031
mg/L
1/21116
Zinc
1.01
mg/L
1/25116
Oil $ Grease
<5.6
mg/L
1/11/16 jdg
LOG 1D: 1601-129 REPORTED BY: NCCERTIFIEDLAB # 50
fk*
Tony Gragg, Lab Supervisor

wiTERiTECH L.W.S.I.C.
POST OFFICE SOX 1056 • #5 PINEWOOD PLAZA DR.
GRANITE FALLS, NORTH CAROLINA 28630
[phone]
SAMPLE: Corning Optical (003) COLLECTION DATE: 1/8/2016
PERMIT #: COLLECTION TIME: 09:47
ADDRESS: Corning Optical RECEIVED DATE: 1/8/2016
P.O. Box 489 RECEIVED TIME: 11:35
Hickory, NC 28603-0489
REPORTED: 2/12/2016
ANALYSIS
ANALYSIS
RESULTS
UNITS
DATE ANALYST
Lead
0.006
mg/L
2/3/16
TSS
35.0
mg/L
1/11/15 jrg
Copper
0.016
mg/L
1/21116
Zinc
0.549
mg/L
1/25/16
Oil & Grease
<5.6
mg/L
1/11116 jdg
LOG ID: 1601-130 REPORTED BY: NCCERTIFIEDLAB N 50
ff� v �r
Tony Gragg, Lab Supervisor

-'C
� iA\
T Er
I r `ma - - , y Rr- I LL A SI 111�
�j
�,
5 Pinewood Plaza Drive - P.O. Box 1056
Granite Falls, NC 28630
Phone [phone] -- Fax [phone]
CLIENT: Corning Cable Systems-TC Pit PHONE NUMBER: 828-327-5000
c/o Steve Street TYPE SAMPLE: Stormwater
P.O Box 489 No. LOCATIONS: 4
Hickory, NC 28603-0489 SAMPLER NAME:
Sample Collection
Information
TYPE
CONTAINERS
ANALYSIS REQUIRED
Sample Location
FacilityName
DATE
TIME
TEMP. °C
Grab/
Composite
No
Plastic/
Glass
Discharge 001
118/Aft
9 �13 e-
Grab
3
Plastic/
Glass
TSS, Oil & Gr., Lead, Copper, Zinc
Discharge 002
4416
���Grab
3
Plastic/
Glass
TSS, Oil & Gr., Lead, Copper, Zinc
Discharge 003
#31-1mu
y, y�'��
Grab
3
Plastic/
Glass
TSS, Oil &Gr., Lead, Copper, Zinc
Discharge 005
�aib
,
pr�
Grab
3
Plastic/
Glass
TSS, Oil & Gr., Lead, Copper, Zinc
Relinqui d By:
Date:
1
I +
XI &
Time:
11J�C��
� J
Recieve y;
�r
Date:
Time:
Relt quished By:
Date:
Time:
Recei d By:
Date:
Time:
PRE ER VA TI ON:
( C o/ 4°C
SO4
[] NaOH
(�NO3
[] Dechlornating Agent
[] Other
SAMPLE TEMP. @ LAB (°C)
Chlorine Residua! mgll
NC CERTIFIED LAB # 50

Semi-annual Stormwater Discharge Monitoring Report
for North Carolina Division of Water Quality General Permit No. NCG030000
` Date submitted: 02/03/16
CERTIFICATE OF COVERAGE NO. NCG030000 Y I k36 0_
FACILITY NAME: Thermo Fisher Scientific (Asheville) LLC vz;�2
COUNTY: Buncombe
PERSON COLLECTING SAMPLES: Jeremy Putnam
LABORATORY: Pace Analytical Lab Cert. #9289222001
Comments on sample collection or analysis: N/A
Part A: Stormwater Benchmarks and Monitoring Results
SAMPLE COLLECTION YEAR: 2016
SAMPLE PERIOD ❑ Jan -June ❑ July -Dec
or X Monthly' January
DISCHARGING TO CLASS ❑ORW ❑HQW X Trout ❑PNA
❑Zero -flow ❑Water Supply [:]SA
❑Other
PLEASE REMEMBER TO SIGN ON PAGES 2 AND/OR 3 4
❑ No discharge this period?'
Date.Sample
24-17our rainfall
SpHr
.Non=Polar
O&G/ To#al
Total Toxic
Outfall No
1..,
Collected
,
amount, `
Total Suspended Solids`
Standard
-.Copper >.
Lead
-' Zinc'
s,.
O rganres
Inches
units
Hydrocarbons3
Benchmarks,= > ,...,.
_ ,
_
100.mg/L or 50 mg/L :'
..0
` 6 0 - 9. 0 ,; .
;=0.007„mg/L
- 0.03 mg/L
0.067 mg/L :=
15mg/L
,l mg/L
1
01/22/16
1.50
N/A
N/A
0.0247 mg/L
N/A
0.522 mg/L
N/A
N/A
2
01/22/16
1.50
N/A
N/A
0.0155 mg/L
N/A
0.387 mg/L
N/A
N/A
3
01/22/16
1.50
N/A
N/A
0.0193 mg/L
N/A
0.616 mg/L
N/A
N/A
1 Monthly sampling (instead of semi-annual) must begin with the second consecutive benchmark exceedance for the sable parameter at the same outfall.
z For sampling periods with no discharge at any single outfall, you must still submit this discharge monitoring report with a checkmark here.
3The total precipitation must be recorded using data from an on -site rain gauge. Unattended sites may be eligible`for a waiver of the rain gauge requirement.
a See General Permit, Table 3 identifying the especially sensitive receiving water classifications where the more protective benchmark applies.
5 Total Toxic Organics sampling is applicable only for those facilities which perform metal finishing operations, manufacture semiconductors, manufacture
electronic crystals, or manufacture cathode ray tubes. For purposes of this permit the definition ofrTotal Toxic Organics is that definition contained in the EPA
Effluent Guidelines for the facility subject to the requirement to sample (for metal finishing use the definition as found in 40 CFR 433.11; for semiconductor
manufacture use the definition as found in 40 CFR 469.12; for electronic crystal manufacture use he definition as found in 40. "CFR 469.22; and for cathode ray
tube manufacture use the definition found in 40 CFR 469,31). V
Permit Date: 11/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 1 of 3

Facilities that incorporate a solvent management plan into the Stormwater Pollution Prevention Plan may so certify, and the requirement for TTO monitoring
may be waived. The solvent management plan shall include a list of the total toxic organic compounds used and the other elements listed in the General
Perm'if. For those facilities electing to employ the TTO monitoring waiver, the discharger shall sign the following certification statement:
"Based upon my inquiry of the person or persons directly responsible for managing compliance with the permit monitoring requirement for total toxic organics
(TTO), l certify that to the best of my knowledge and belief, no dumping of concentrated toxic organics into the stormwater or areas which are exposed to rainfall or
stormwater runoff has occurred since filing the last discharge monitoring report. I further certify that this facility is implementing the all the provisions of the
solvent management plan included in the Stormwater Pollution Prevention Plan."
Name (Print name)
Ti e (Print titl j
!(Signatu re) (Date)
Note: Results must be reported in numerical format. Do not report Below Detection Limit, BDL, <PQL, Non -detect, ND, or other similar non -numerical
format. When results are below the applicable limits, they must be reported in the format "<XX m L" where XX is the numerical value of the detection
limit, reporting limit, etc. in mg/L.
Note: If you report a sample value in excess of the benchmark, you must implement Tier 1, Tier Z or Tier 3 responses. See General Permit text.
Part B: Vehicle Maintenance Area Monitoring Results: only for facilities averaging > 55 gal of new oil per month.
❑ No discharge this period:
Outfall No.
Date Sample
Collected} 4
(mo/dd/yr)- =
24-hour rainfall
amount,
3
Inches
Non -polar O&G/TPH by
-EPA 1664 (SGT-HEM) ..
Total Suspended Solids
pH
Benchmarks =__> .`.
_
-
15 mg/L
100 mg/L or 50 mg/L*
6.0 — 9.0 SU
N/A
Footnotes from Part A also apply to this Part B
* See General Permit text, Table 5, identifying the especially sensitive receiving water classifications where the more protective benchmark applies.
Permit Date: li/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 2of3

Note: If you report a sample value in excess of the benchmark, you must implement Tier 1, Tier 2, or Tier 3 responses. See General Permit text.
FOR PART A AND PART B MONITORING RESULTS:
• A BENCHMARK EXCEEDANCE TRIGGERS TIER 1 REQUIREMENTS. SEE PERMIT PART II SECTION B.
• 2 EXCEEDANCES IN A ROW FOR THE SAME PARAMETER AT THE SAME OUTFALL TRIGGER TIER 2 REQUIREMENTS. SEE PERMIT PART II SECTION B.
• TIER 3: HAS YOUR FACILITY HAD 4 OR MORE BENCHMARK EXCEEDENCES FOR THE SAME PARAMETER AT ANY ONE OUTFALL? YES X NO ❑
IF YES, HAVE YOU CONTACTED THE DWQ REGIONAL OFFICE? YES X NO ❑
REGIONAL OFFICE CONTACT NAME: _Ms. Laura Herbert (Asheville Regional Office) _
Mail an original and one copy of this DMR, including all "No Discharge" reports, within 30 days of receipt of the lab results for at end of monitoring Period
in the case of "No Discharae" reports) to:
Division of Water Quality
Attn: DWQ Central Files
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
YOU MUST SIGN THIS CERTIFICATION FOR ANY INFORMATION REPORTED:
"I certify, under penalty of law, that this document and all attachments were prepared under my direction or supervision in accordance with a system designed to
assure that qualified personnel properly gather and evaluate the information submitted. Based on my inquiry of the person or persons who manage the system, or
those persons directly responsible for gathering the information, the information submitted is, to the best of my knowledge and belief, true, accurate, and complete.
aL ware thatheare significant penalties for submitting false information, including the possibility of fines and imprisonment for knowing violations."
(Signature of Per
Permit Date: 11/1/2012-10/31/2017
QJ)_\0�
(Date)
SWU-245, last revised 10/25/2012
Page 3 of 3

ThermoRsher
SCIENTIFIC
February 2, 2016
Division of Water Quality
Attn: DWQ Central Files
1617 Mail Service Center
Raleigh, NC 27699-1617
hC6- 036 2 `f
RE: Stormwater Analytical Monitoring Results for Thermo Fisher Scientific, LLC
I have attached the analytical monitoring results from stonnwater sampling that was collected on
January 22, 2016 at Thermo Fisher Scientific, LLC's three outfalls for the benchmark values that
were exceeded for three consecutive samples.
Per our General Storm Water Permit No. NCG03000 requirements of monthly monitoring for
applicable parameters during a storm event, I have sampled each outfall for copper and zinc. The
results for copper and zinc from all three outfalls exceed the benchmark values as noted in Table
3 of the general storm water permit. We have implemented a Tier Three response for the site and
Thermo Fisher Scientific LLC has notified the Asheville Regional Office. Thermo Fisher
Scientific LLC is currently working with an environmental consultant to help achieve compliance
with the bench mark values set forth in the facility's storm water permit. Also, Thermo Fisher
Scientific LLC has implemented parking lot vacuum sweeping. i have attached the completed
Monitoring Report containing the monitoring results from the three outfalls.
If you have any questions, please feel free to contact me at 828-658-2845
Jeremy Putnam
EHS Manager
Attachments

0
I
eAnalytical
wwwyacelahs.cnm
January 29, 2016
Mr. Jeremy Putnam
Thermo Electron Corp.
275 Aiken Road
Asheville, NC 28804
RE: Project: SW January 2016
Pace Project No.: 92284189
Dear Mr. Putnam:
Pace Analytical Services, Inc.
2225 Riverside or.
Asheville, NC 28804
[phone]
Enclosed are the analytical results for sample(s) received by the laboratory on January 26, 2016.
The results relate only to the samples included in this report. Results reported herein conform to the
most current TNI standards and the laboratory's Quality Assurance Manual, where applicable, unless
otherwise noted in the body of the report.
Analyses were performed at the Pace Analytical Services location indicated on the sample analyte
page for analysis unless otherwise footnoted.
If you have any questions concerning this report, please feel free to contact me.
Sincerely,
Chris Derouen
[e-mail]
Project Manager
Enclosures
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, Inc..
Page 1 of 9

Ie Analytical
www.pacolabs.com
SAMPLE ANALYTE COUNT
Pace Analytical Services, Inc.
2225 Riverside Or,
Asheville, NC 28804
[phone]
Project:
Pace Project No.:
SW January 2016
92284189
Analytes
Lab I❑
Sample tD
Method
Analysts
Reported
Laboratory
92284189001
Outfall 1-1
EPA 200.7
CDF
2
PASI-A
92284189002
Outfall 2-1
EPA 200.7
CDF
2
PASI-A
92284189003
Outfall 3-1
EPA 200.7
CDF
2
PASI-A
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, Inc.. Page 3 of 9

I
eAnalytical www.pacelabs.t�rrl
QUALITY CONTROL DATA
Project: SW January 2016
Pace Project No.: 92284189
QC Batch: MPRP120538 Analysis Method: EPA 200.7
QC Batch Method: EPA 200.7 Analysis Description: 200.7 MET
Associated Lab Samples: 92284189001. 92284189002, 92284189003
METHOD BLANK: 1655207 Matrix: Water
Associated Lab Samples: 92284189001, 92284189002, 92284189003
Blank Reporting
Parameter Units Result Limit Analyzed Qualifiers
Copper ug/L ND 5.0 01/2811612:57
Zinc ug/L ND 10.0 01/2811612:57
Pace Analytical Services, Inc.
2225 Riverside Dr.
Asheville, NC 28804
[phone]
LABORATORY CONTROL SAMPLE: 1655208
Spike LCS LCS % Rec
Parameter Units Conc. Result % Rec Limits Qualifiers
Copper ug/L 500 515 103 85-115
Zinc ug/L 500 505 101 85-115
MATRIX SPIKE & MATRIX SPIKE DUPLICATE: 1655209
1655210
MS
MSD
92284076001 Spike
Spike
MS
MSD
MS MSD % Rec
Parameter Units Result Conc.
Conc.
Result
Result
% Rec % Rec Limits RPD Qual
Copper uglL 17.7 500
500
541
548
105 106 70-130 1
Zinc ug/L 118 500
500
574
583
91 93 70-130 2
MATRIX SPIKE & MATRIX SPIKE DUPLICATE:
1655211
1655212
MS
MSD
92284032003
Spike
Spike
MS
MSD
MS MSD % Rec
Parameter Units
Result
Conc.
Conc.
Result
Result
% Rec % Rec Limits RPD Qual
Copper ug/L
ND
500
500
502
499
100 100 70-130 1
Zinc ug/L
0.017
500
500
489
491
94 95 70-130 0
mg/L
Results presented on this page are In the units Indicated by the "Units" column except where an alternate unit Is presented to the right of the result.
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Date: 01/29/2016 04:12 PM without the written consent of Pace Analytical Services, Inc..
Page 5 of 9

aceAnalytical
www.yacela6s.corn
s
QUALITY CONTROL DATA CROSS REFERENCE TABLE
Pace Analytical Services, Inc.
2225 Riverside Dr.
Asheville, NC 28804
[phone]
Project:
Pace Project No.:
SW January 2016
92284189
Analytical
Lab ID
Sample ID
QC Batch Method
QC Batch
Analytical Method
Batch
92284189001
Outfall 1-1
EPA 200.7
MPRPI20538
EPA 200.7
ICPI18534
92284189002
Outfall 2-1
EPA 200.7
MPRP120538
EPA 2007
ICPI18534
92284189003
Outfall 3-1
EPA 200.7
MPRP120538
EPA 200.7
ICPI18534
Date: 01/29/2016 04:12 PM
REPORT OF LABORATORY ANALYSIS
This report shall not he reproduced, except in full,
without the written consent of Pace Analytical Services, Inc..
Page 7 of 9

Document Name:
Document Revised: 28DEC2015
A
Sample Condition Upon Receipt (SCUR)
Page 1 of 2
Document No.:
Issuing Authority:
aceAnalytrcal
F-ASV-CS-003-rev.17 .
Pace Huntersville Quality Office
*� Client Name:. Project 0:
el'
Courier: ❑Fed Ex ❑UPS ❑USPS dent
[]Commercial ❑Pace ❑Other:
W®:92284189
NIII9,BIII111111111111
Custody Seal on Cooler/Box Present? ❑Yes No is Intact? ❑Yes ❑No
Packing Material: ❑Bubble Wrap [—]Bubble Bags None []Other:
Thermometer I ( y
Used: IR Gun f!5 Type of Ice: et ❑Blue] one []Samples on Ice, cooling process has beg
SN:155271 -
Cooler Temp Corrected ('C): O?f, BIological Tissue Frozen? ❑Yes ❑No []N/A
Temp should be above free nlrto 6'C Correction Factor: 4.0'C Date and initials of Person Examining Contents: N?E-j
USDA Regulated Soil ( N/A, water sample)
Did samples originate In a quarantine zone within the United States: CA, NY, or SC (check maps}? Did samples originate from a foreign source (internationa�lly -'
❑Yes ' ❑No Including Hawaii and Puerto Rico)? ❑Yes /I__!h
If Yes to either question, fill out a Regulated Sol] Checklist and include with SCUR/COC paperwork.
COMMENTS:
Chain of Custody Present?
es
[IN.
N/A
1.
Chain of Custody•Filled Out?
es
❑No.
❑N/A
2.
Chain of Custody Relinquished?
es
-[]No
❑N/A
3.
Sampler Name and/or Signature on COC?
es
❑No
[]NIA
4.
Sam lesArrived within Hold Time?
es
❑No
N/A
S.
Short hold Time Analysis (<72 hr)?
❑Yes
ONo
N/A
6.
Rush Turn Around Time Requested?
[]Yes -
o
❑N/A
7.
Sufficient Volume?
0 We,,❑No
❑N/A
8..
Correct Containers Used?
-Pace Containers Used?
CK.,
[:)No
❑No
❑N/A
'❑N/A
9. '
Containers intact?
Yes
❑No
❑N/A
o.
Filtered Volume Received for Dissolved Tests?
Yes
Na
D4
11. Note If sediment is visible in the dissolved container
Sample Labels Match COCT
-includes Date/Time/ID/Analysis Matrix:
ELvbls
❑No
[]N/A
12.
All containers needing acid/base preservation have been
checked?
All contalners needing preservation are found to be in
co 'Lance with EPA recommendation?
NO;, SO4, HCI<2; NaOH >9 Sulfide, NaOH>12 Cyanide}
Excep ions: VOA, Collform, TOC, Oil and Grease,
DRO/8015 (water) DOC,LLHg
Yes
dlY
❑Yes
❑No
[]No
[:]No
❑N/A
[]N/A
0 tv
13
Samples checked for dechlorization
❑Yes
ONo
0
14.
Headspacein VOA Vials (>S=6mm)?
❑Yes
❑No
A
15.
Trip Blank Present?
Trip Blank Custody Seals Present?
Pace Trip Blank Lot to (if purchased):
[]Yes
[:]Yes❑No
❑No
�M/lA
16.
CLIENT NOTIFICATION/RESOLUTION
Person Contacted:
Comments/Resolution:
Project Manager SCURF Review:
Field Data Required? []Yes []NO
Date/firne:
Date: //;�, 711 C
Page 9 of 9

Semi-annual Stormwater Discharge Monitoring Report
for North Carolina Division of Water Quality General Permit No. NCG030,000
�--------------- _� �n Date submitted: 01 06 2016
CERTIFICATE OF COVERAGEO. NCG030000
FACILITY NAME: Hickory Manufacturine and Technology Center
COUNTY: Catawba �J
PERSON COLLECTING SAMPLES: Paul Travis
LABORATORY: Water Tech Labs Lab Cert. # 50 • j .,L
Comments on sample collection or analysis: /q
Part A: Stormwater Benchmarks and Monitoring Results
SAMPLE COLLECTION YEAR: 2015
SAMPLE PERIOD Q Jan -June ❑ July -Dec
or/R Monthly' — Nov
DISCHARGINGTO CLASS ❑ORW ❑HQW ❑Trout ❑PNA
❑Zero -flow ❑Water Supply ❑SA
❑Other
PLEASE REMEMBER TO SIGN ON PAGES 2 AND/OR 3 4
❑ No discharge this period:2
outfall No.
Date Sample
Collected'
24-hour rainfall
Total Suspended Solids
pH,
Standard
Copper
Lead
Zinc
Non -Polar O&G/Tota!
Total Petroleum
Toxic
Organicss
amount,
units
Hydrocarbons
(mo/dd/yr)
Inches3
Benchmarks
-
-
100 mg/L or 50 mg/L
6.0 — 9.0
0.007 mg/L
0.03 mg/L
0.067 mg/L
15 mg/L
1 mg/L
1
11/18/15
1.8"
8.0 mg/I
7.23
.006 mg/1
<.003 mg/I
.228 mg/I
<5.6 mg/I
N/A
2
11/18/15
1.8"
19.3 mg/I
7.14
.009 mg/I
.006 mg/1
.498 mg/I
<5.6 mg/I
N/A
3
11/18/15
1.8"
12.0 mg/1
7.26
.006 mg/I
<.003 mg/I
.408 mg/I
<5.6 mg/I
N/A
5
11/18/15
1.8"
5.4 mg/I
7.08
.003 mg/I
<.003 mg/I
.056 mg/I
<5.6 mg/I
N/A
' Monthly sampling (instead of semi-annual) must begin with the second consecutive benchmark exceedance for the same parameter at the same outfall.
2 For sampling periods with no discharge at any single outfall, you must still submit this discharge monitoring report with a checkmark here.
3The total precipitation must be recorded using data from an on -site rain gauge. Unattended sites may be eligible for a waiver of the rain gauge requirement.
° See General Permit, Table 3 identifying the especially sensitive receiving water classifications where the more protective benchmark applies.
5 Total Toxic Organics sampling is applicable only for those facilities which perform metal finishing operations, manufacture semiconductors, manufacture
electronic crystals, or manufacture cathode ray tubes. For purposes of this permit the definition of Total Toxic Organics is that definition contained in the EPA
Effluent Guidelines for the facility subject to the requirement to sample (for metal finishing use the definition as found in 40 CFR 433.11; for semiconductor
manufacture use the definition as found in 40 CFR 469.12; for electronic crystal manufacture use the definition as found in 40 CFR 469.22; and for cathode ray
tube manufacture use the definition found in 40 CFR 469,31).
© 2016 Coming Incorporated. All Rights Reserved.
Permit Date: 11/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 1 of 3

AV
Facilities that incorporate a solvent management plan into the Stormwater Pollution Prevention Plan may so certify, and the requirement for TTO monitoring
may be waived. The solvent management plan shall include a list of the total toxic organic compounds used and the other elements listed in the General
Permit. For those facilities electing to employ the TTO monitoring waiver, the discharger shall sign the following certification statement:
"Based upon my inquiry of the person or persons directly responsible for managing compliance with the permit monitoring requirement for total toxic organics
(TTO), I certify that to the best of my knowledge and belief, no dumping of concentrated toxic organics into the stormwater or areas which are exposed to rainfall or
Stormwater runoff has occurred since filing the last discharge monitoring report. I further certify that this facility is implementing the all the provisions of the
solvent management plan included in the Stormwater Pollution Prevention Plan."
N/A
Name (Print name)
Title (Print title)
(Signature)
(Date)
Note: Results must be reported in numerical format. Do not report Below Detection Limit, BDL, <PQL, Non -detect, NO, or other similar non -numerical
format. When results are below the applicable limits, they must be reported in the format. "<XX m€t_/L where XX is the numerical value of the detection
limit, reporting limit, etc. in mg/L.
Note: if you report a sample value in excess of the benchmark, you must implement Tier 1, Tier 2, or rer 3 responses. See General Permit text.
Part B: Vehicle Maintenance Area Monitoring Results: only for facilities averaging > 55 gal of new oil per month.
❑ No discharge this period?z
Outfall No.
Date Sample
Collected'
{mo/dd/yr)
24-hour rainfall
amount,
lnches
Non -polar O&G/TPH by
EPA 1664 (SGT-HEM)
Total Suspended Solids
pH
Benchmarks ==>
_
-
15 mg/L
100 mg/L or 50 mg/L*
6.0 — 9.0 SU
N/A
N/A
N/A
N/A
N/A
N/A
O 2016 Corning Incorporated. All Rights Reserved.
Permit Date: li/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 2 of 3

Footnotes from Part A also apply to this Part B
' See General Permit text, Table 5, identifying the especially sensitive receiving water classifications where the more protective benchmark applies.
Note: If you report a sample value in excess of the benchmark, you must implement Ter 1, Tier 2, or Tier 3 responses. See General Permit text.
FOR PART A AND PART B MONITORING RESULTS:
• A BENCHMARK EXCEEDANCE TRIGGERS TIER 1 REQUIREMENTS. SEE PERMIT PART 11 SECTION B.
• 2 EXCEEDANCES 1N A ROW FOR THE SAME PARAMETER AT THE SAME OUTFALL TRIGGER TIER 2 REQUIREMENTS. SEE PERMIT PART II SECTION B.
• TIER 3: HAS YOUR FACILITY HAD 4 OR MORE BENCHMARK EXCEEDENCES FOR THE SAME PARAMETER AT ANYONE OUTFALL? YES ®NO❑
IF YES, HAVE YOU CONTACTED THE DWQ REGIONAL OFFICE? YES® NO ❑
REGIONAL OFFICE CONTACT NAME: Several discussions and correspondence held with Samar Bou-Ghazale.
Mail on odyinaf and one copy of this DMR, including all "No Discharge" reports within 30 days of receipt of the lab results for at end of monitoring period
in the case a "No Discharge' re orts to: T
Division of Water Quality
Attn: DWQ Central Files
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
YOU MUST SIGN THIS CERTIFICATION FOR ANY INFORMATION REPORTED:
"I certify, under penalty of law, that this document and all attachments were prepared under my direction or supervision in accordance with a system designed to
assure that qualified personnel properly gather and evaluate the information submitted. Based on my inquiry of the person or persons who manage the system, or
those persons directly responsible for gathering the information, the information submitted is, to the best of my knowledge and belief, true, accurate, and complete. I
am aware that there-a� significant penajties for submitting false information, including the possibility of fines and imprisonment for knowing violations."
(Signature of Permittee)
(Date)
© 2016 Corning Incorporated. All Rights Reserved.
Permit Date: 11/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 3 of 3

7A
CERTIFICATE OF
FACILITY NAME:
V�
SE
for North
COUNTY: Catawba
PERSON COLLECTING SAM
mi-annual Stormwater Discha
e Monitoring Report
a Division of Water Quality General Permit No.
Date submitted: 12 02 2015
NCG030000 SAMPLE COLLECTION YEAR: 2015
3cturin and Techy(oloKv Center SAMPLE PERIOD ❑ Jan -June ❑ July -Dec
or ® Monthly" -- Oct
LABORATORY: Water Tech Labs Lab Cert. # 50
Comments on sample collection or analysis:
Part A: Stormwater Benchmarks and Monitoring Results
RECEIVED i�� DISCHARGING TO CLASS ❑ORW ❑HQW ❑Trout ❑PNA
❑Zero -flow ❑Water Supply [:]SA
DEC 0 8 20 . ❑Other
CENTRAL FILES PLEASE REMEMBER TO SIGN ON PAGES 2 AND/OR 3 4
DWR SECTION
❑ No discharge this period?z
Date Sample
24-hour rainfall
pH,
Non -Polar 0&6/Total
Toxic
Outfall No.
Collected"
amount,
Total Suspended Solids
Standard units
Copper
Lead
Zinc
Total Petroleum
Organics5
(mo/dd/yr)
Inches3
Hydrocarbons
Benchmorks
-
-
100 mg/L or 50 mg/1.
6.0 — 9.0
0.007 mg/L
0.03 mg/L
0.067 mg/L
15 mg/L
1 mg/L
1
10/26/15
.35"
7.3 mg/I
6.54
.015 mg/l
<.003 mg/I
.352 mg/I
<5.6 mg/I
N/A
2
10/26/15
.35"
10.7 mg/I
6.72
.018 mg/I
<.003 mg/I
.886 mg/I
<5.6 mg/I
N/A
3
10/26/15
.35"
21.5 mg/I
6.63
.016 mg/I
<.003 mg/I
1.06 mg/I
<5.6 mg/I
N/A
5
10/26/15
.35"
8.0 mg/I
7.13
.010 mg/I
<.003 mg/1
.129 mg/I
<5.6 mg/I
N/A
1 Monthly sampling (instead of semi-annual) must begin with the second consecutive benchmark exceeciance for the same parameter at the same outfall.
z For sampling periods with no discharge at any single outfall, you must still submit this discharge monitoring report with a checkmark here.
3The total precipitation must be recorded using data from an on -site rain gauge. Unattended sites may be eligible for a waiver of the rain gauge requirement.
4 See General Permit, Table 3 identifying the especially sensitive receiving water classifications where the more protective benchmark applies.
5 Total Toxic Organics sampling is applicable only for those facilities which perform metal finishing operations, manufacture semiconductors, manufacture
electronic crystals, or manufacture cathode ray tubes. For purposes of this permit the definition of Total Toxic Organics is that definition contained in the EPA
Effluent Guidelines for the facility subject to the requirement to sample (for metal finishing use the definition as found in 40 CFR 433.11; for semiconductor
manufacture use the definition as found in 40 CFR 469.12; for electronic crystal manufacture use the definition as found in 40 CFR 469.22; and for cathode ray
tube manufacture use the definition found in 40 CFR 469.31).
© 2015 Corning Incorporated, All Rights Reserved.
Permit Date: 11/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 1 of 3

Facilities that incorporate a solvent management plan into the Stormwater Pollution Prevention Plan may so certify, and the requirement for TTO monitoring
may be waived. The solvent management plan shall include a list of the total toxic organic compounds used and the other elements listed in the General
Permit. For those facilities electing to employ the TTO monitoring waiver, the discharger shall sign the following certification statement:
"Based upon my inquiry of the person or persons directly responsible for managing compliance with the permit monitoring requirement for total toxic organics
(TTO), I certify that to the best of my knowledge and belief, no dumping of concentrated toxic organics into the stormwater or areas which are exposed to rainfall or
stormwater runoff has occurred since filing the last discharge monitoring report. I further certify that this facility is implementing the all the provisions of the
solvent management plan included in the Stormwater Pollution Prevention Plan."
N/A
Name (Print name)
N/A
Title (Print title)
(Signature)
(Date)
Note: Results must be reported in numerical format. Do not report Below Detection Limit, BDL, <PQL, Non -detect, ND, or other similar non -numerical
format. When results are below the applicable limits, they must be reported in the format. "<XX mg/L", where XX is the numerical value of the detection
limit, reporting limit, etc. in mg/L.
Note: If you report a sample value in excess of the benchmark, you must implement Tier 1, Tier 2, or Tier 3 responses. See General Permit text.
Part B: Vehicle Maintenance Area Monitoring Results: only for facilities averaging > 55 gal of new oil per month.
❑ No discharge this period ?2
Outfall No.
Date Sample
Collected'
(mo/dd/yr)
24-hour rainfall
amount,
Inches
Non -polar O&G/TPH by
EPA 1664 (SGT-HEM)
Total Suspended Solids
pH
Benchmarks ===s
_
-
15 mg/L
100 mg/L or So mg/L*
6.0 — 9.0 SU
N/A
N/A
N/A
N/A
N/A
N/A
cO 2015 Corning Incorporated, All Rights Reserved.
Permit Date: 11/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 2 of 3

Footnotes from Part A also apply to this Part B
* See General Permit text, Table 5, identifying the especially sensitive receiving water classifications where the more protective benchmark applies.
Note: If you report a sample value in excess of the benchmark, you must implement Tier 1, Tier 2, or Tier 3 responses. See General Permit team.
FOR PART A AND PART B MONITORING RESULTS:
• A BENCHMARK EXCEEDANCE TRIGGERS TIER 1 REQUIREMENTS. SEE PERMIT PART II SECTION B.
• 2 EXCEEDANCES IN A ROW FOR THE SAME PARAMETER AT THE SAME OUTFALL TRIGGER TIER 2 REQUIREMENTS. SEE PERMIT PART II SECTION B.
• TIER 3: HAS YOUR FACILITY HAD 4 OR MORE BENCHMARK EXCEEDENCES FOR THE SAME PARAMETER AT ANY ONE OUTFALL? YES ® NO❑
IF YES, HAVE YOU CONTACTED THE DWQ REGIONAL OFFICE? YES ® NO ❑
REGIONAL OFFICE CONTACT NAME: Several discussions and correspondence held with Samar Bou-Ghazale.
Moil an original and one copy of this DMR, including all "No Discharae" reports, within 30 days of receipt of the lab results (or at end of monitoring period
in the case of "No Discharae" reports) to:
Division of Water Quality
Attn: DWQ Central Files
1617 Mail Service Center
Raleigh, !North Carolina 27699-1617
YOU MUST SIGN THIS CERTIFICATION FOR ANY INFORMATION REPORTED:
"I certify, under penalty of law, that this document and all attachments were prepared under my direction or supervision in accordance with a system designed to
assure that qualified personnel property gather and evaluate the information submitted. Based on my inquiry of the person or persons who manage the system, or
those persons directly responsible for gathering the information, the information submitted is, to the best of my knowledge and belief, true, accurate, and complete
am aware that th are si 'ficant pen ilties for submitting false information, including the possibility of fines and imprisonment for knowing violations."
(Signature of Permittee)
(Date)
© 2015 Coming Incorporated. All Rights Reserved,
Permit Date: 11/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 3 of 3

Stormwater Discharge Outfall (SD4)
Qualitative Monitoring Report
For guidance on filling out this form, please visit: http://portal.ncdenr.org/web/wq/wslsu/npdessw#tab-4
Permit No.: N/C/ 0//Q/Q/0/0/Q/ or Certificate of Coverage No.:
Facility Name: hickory Manufacturing and Technology Center - Corning Optical Communications
County: Catawba Phone No.: 828-901-5793
Inspector: Paul Travis
Date of Inspection: 12/1412015
Time of Inspection: 8:43 am
Total Event Precipitation (inches):.35"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
© Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
1
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
1
I
I A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
;! prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee t
? obtains approval from the local DWQ Regional Office.
By this signature, i certify that this report is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
0 2016 Corning Incorporated. All Rights Reserved.
Pagel of 2
SWU-242, Last modified 10/25/2012

1. Outfall Description:
Outfall No. 001 Structure (pipe, ditch, etc.) Pine
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: Reel storage, solid
waste containers designated for landfill, hazardous waste storage. and R&D building
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Color was clear.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
n1 2 3 4 5
5. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
0 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
0 2 3 4 5
7. Is there any foam in the stormwater discharge? Yes No
8. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
© 2016 Corning Incorporated. All Rights Reserved,
Page 2 of 2
SWU-242, Last modified 10/25/2012

NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
Farguidance on filling out this form, please visit: htti2://120rtal.ncdenr.org/web/wq/ws/sulnpdessw#tab-4
Permit No.: N/C/ 0//0/0/0/¢/¢/ or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and Technology Center — Corning Optical Communications
County: Catawba Phone No.: 828-901-5793
Inspector: Paul Travis
Date of Inspection: 12/14/2015
Time of Inspection: 8:48 am
Total Event Precipitation (inches):.35"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
© Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
.-.-.._..--------- ......... -- ---- -- .._.-.-...._._.__.......--...-_...-.........----
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no j
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office_____._
By this signature, I certif that this report is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
© 2016 Corning Incorporated. All Rights Reserved,
Page 1 of 2
SWU-242, Last modified 10/25/2012

1. Outfall Description:
Outfall No. 002 Structure (pipe, ditch, etc.) Pi e
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: Solid waste containers
designated for landfill, metal recycling container, and chemical storage area (covered).
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Discharge was clear.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odors were present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
0 2 3 4 5
5. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
0 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
2 3 4 5
7. Is there any foam in the stormwater discharge? Yes No
8. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
© 2016 Corning Incorporated. All Rights Reserved,
Page 2 of 2
SWU-242, Last modified 10/25/2012

NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
For guidance on filling out this form, please visit: http://portal.ncdenr.org/web/wg/ws/su/npdessw##tab-4
Permit No.: N/C/ 0/ 3/Q/Q/Q/Q/Q/ or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and Technology Center - Corning Optical Communications
County: Catawba Phone No.: 828-901-5793
Inspector: Paul Travis
Date of Inspection: 12/1412015
Time of Inspection: 8:51 am
Total Event Precipitation (inches):.35"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
Ryes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signatur , I certjiy that this relaovt is accurate and complete to the best of my knowledge:
ignature of Permittee or Designee)
© 2016 Corning Incorporated. Ali Rights Reserved.
Page 1 of 2
SWU-242, Last modified 10/25/2012

1. Outfall Description:
Outfall No. 003 Structure (pipe, ditch, etc.) Pine
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: Reel_stU age, machine
shop, and warehouse.
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Discharge was clear.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
Q 2 3 4 5
S. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
0 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
01 2 3 4 5
7. Is there any foam in the stormwater discharge? Yes No
8. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
© 2016 Corning Incorporated. All Rights Reserved.
Page 2 of 2
SWU-242, Last modified 10/25/Z012

4
NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
For guidance onfflling out this form, please visit: hap.I/portal.ncdennorg/web/wq/ws/su/nndessw#tab-4
Permit No.: N/C/ 0/ 3/Q/0/l/0/0/ or Certificate of Coverage No.:
Facility Name: HickQry_Manufacturing and Technology Center - Corning Optical Communications
County: Catawba Phone No.: 828-901-5793
Inspector: Paul Travis
Date of Inspection: 12/1412015
Time of Inspection: 8:54 am
Total Event Precipitation (inches):
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
© Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event' is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature
, I certify that this report is accurate and complete to the best of my knowledge:
ignature of Permittee or Designee)
© 2016 Corning Incorporated. All Rights Reserved.
Pagel of 2
5WU-242, Last modified 10/25/2012

1. Outfall Description:
Outfall No. 004 Structure (pipe, ditch, etc.) Pike
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: No industrial activities,
only a warehouse.
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Color was clear.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
0 2 3 4 5
5. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
0 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
2 3 4 5
7. Is there any foam in the stormwater discharge? Yes No
B. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
© 2016 Corning Incorporated. All Rights Reserved.
Page 2 of 2
SWU-242, Last modified 10/25/2012

NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
For guidance on filling out this farm, please visit. http: j/aortal.ncdennorg/web/wgfws/su/npdessw#tab-4
Permit No.: N/C/ 0/ 3/Q/0/0/0/0/ or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and Technology Center - Corning Optical Communications
County: Catawba Phone No.: 828-901-5793
Inspector: Paul Travis
Date of Inspection: 12/14/2015
Time of Inspection: 9:07 am
Total Event Precipitation (inches):.35"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
®Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event' is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature, I ce .f� that this is accurate and complete to the best of my knowledge:
Signature of Permittee or Designee)
© 2016 Corning incorporated. All Rights Reserved.
Page 1 of 2
SWU-242, Last modified 10/25/2012

1. Outfall Description:
Outfall No. QQ5 Structure (pipe, ditch, etc.) Pipe
Receiving Stream. Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: Manufacture of fiber
optic cable and warehouse.
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Color was clear.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
0 2 3 4 5
5. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
Q 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
Q1 2 3 4 5
7. Is there any foam in the stormwater discharge? Yes INo
8. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
O 2016 Corning Incorporated. All Rights Reserved.
Page 2 of 2
5WU-242, last modified 10/25/2012

1 dRTER6rKcH LRB5.Inc.
POST OFFICE BOX 1056 • #5 PINEWOOD PLAZA DR.
GRANITE FALLS, NORTH CAROLINA 28630
[phone]
SAMPLE: Corning Optical (001) COLLECTION DATE: 12/14/2015
PERMIT #: COLLECTION TIME: 08:43
ADDRESS: Corning Optical RECEIVED DATE: 12/14/2015
P.O. Box 489 RECEIVED TIME: 09:50
Hickory, NC 28603-0489
REPORTED: 1 /21 /2016
ANALYSIS
ANALYSIS
RESULTS
UNITS
DATE ANALYST
Lead
<0.003
mg1L
116116
TSS
21.3
mg/L
12/15/15 jrg
Copper
0.016
mg1L
114116
Zinc
0.310
mg1L
114116
Oil & Grease
<5.6
mg/L
12/28/15 jdg
LOG 1D: 1512-232 REPORTED? BY: NC CERTIFIED LAB # 50
fv� *
Tony Gragg, Lab Supervisor

wRrmirECH LRES.Inc.
POST OFFICE BOX 1056 • #5 PINEWOOD PLAZA DR.
GRANITE FALLS, NORTH CAROLINA 28630
[phone]
SAMPLE: Corning Optical (002) COLLECTION DATE: 12/14/2015
PERMIT #: COLLECTION TIME.- 08:48
ADDRESS: Corning Optical RECEIVED DATE: 12/14/2015
P.O. Box 489 RECEIVED TIME: 09:50
Hickory, NC 28603-0489
REPORTED: 1 /21/2016
-_ ---�- ANALYSIS-�------ -
ANALYSIS RESULTS UNITS DATE ANALYST
Lead 0.003 m91L 116116
TSS 26.7 mg1L 12/15/15 jrg
Copper 0.021 mg/L 114116
Zinc 0.630 mg/L 114116
Oil & Grease <5.6 mg/L 12/28/15 jdg
LOG ID: 1512-233 REPORTED BY: NCCERTIFIEDLAB #I 50
fa� �' o t
Tony Gragg, Lab Supervisor

idivrERiTECH LRDS.ln..
POST OFFICE BOx 1056 • #5 PINEWOOD PLAZA DR.
GRANITE FALLS, NORTH CAROLINA 28630
[phone]
SAMPLE: Corning Optical (003) COLLECTION DATE: 12/14/2015
PERMIT #: COLLECTION TIME: 08:54
ADDRESS: Corning Optical RECEIVED DATE: 12/14/2015
P.O. Box 489 RECEIVED TIME: 09:50
Hickory, NC 28603-0489
REPORTED: 1 /21 /2016
ANALYSIS
ANALYSIS
RESULTS
UNITS
DATE ANALYST
Lead
<0.003
mg/L
1I6116
TSS
19.0
mg/L
12/15/15 irg
Copper
0.015
mg/L
114116
Zinc
0.620
mg/L
0.620
Oil & Grease
<5.6
mg/L
12/28/15 idg
LOG 1D: 1512-234 REPORTED BY: NC CERTIFIED LAB # 50
fo� � of
Tony Gragg, Lab Supervisor

WR rmirECH LRES. In c.
POST OFFICE BOx 1056 • #5 PINEWOOD PLAZA DR.
GRANITE FALLS, NORTH CAROLINA 28630
[phone]
SAMPLE: Corning Optical (005) COLLECTION DATE: 12/14/2015
PERMIT #: COLLECTION TIME: 09:07
ADDRESS: Corning Optical RECEIVED DATE: 12/14/2015
P.O. Box 489 RECEIVED TIME: 09:50
Hickory, NC 28603-0489
REPORTED: 1 /21 /2016
-_- - -
- -ANALYSIS-
- ---
--
ANALYSIS
RESULTS
UNITS
DATE
ANALYST
Lead
<0.003
mg/L
116/16
TSS
5.5
mg/L
12/15/15
jrg
Copper
0.005
mg/L
114116
Zinc
0.088
mg1L
114/16
Oil & Grease
<5.6
mg/L
12/28/15
jdg
LOG ID: 1512-235 REPORTED BY: IBC CERTIFIED LAB # 50
fl�
Tony Gragg, Lab Supervisor

RESEARCh Olt ANA1yTICA1
LABORATORIES, INC.
For: Water Tech Labs, Inc.
P.O. Box 1056
Granite Falls, NC 28630
Attn: Joe Gragg
Report of Analysis
1 /13/2016
<<Hur�riir
F
&.
a :op NC #34 Zt N
NC 437701
Client Sample 1D: Coming 001 Lab Sample ID: 12998-01
Site: Water Tech Labs Collection Date: 12/14/2015 8:43
c;rsu `�; EfitMethod``cp� riF; �; Parameter Result Units Reg Limit Anal st Analysis DatelTime
Copper, Total EPA 200.7 0.016 mg/L 0,005 AA 1/4/2016
Lead, Total SM 3113 B-2004 <0.003 mg/L 0.005 AA 1/6/2016
Zinc, Total EPA 200.7 0.310 mg/L 0.01 AA 1/4/2016
Client Sample ID: Corning 002 Lab Sample ID: 12998-02
Site: Water Tech Labs Collection Date: 12/14/2015 8:48
Parameter ;3:x; �'s f 4"f � ` "Method -T' Y
Result Units Rep Limit Analyst Analysis Datell ime
V i iya.. id-� • f
Copper, Total EPA 200.7 0,021 mg/L 0.005 AA 1/4/2016
Lead, Total SM 3113 B-2004 0.003 mg/L 0.005 AA 1/6/2016
Zinc, Total EPA 200.7 0.630 mg/L 0.01 AA 1/4/2016
Client Sample ID: Corning 003 Lab Sample ID: 12998-03
Site: Water Tech Labs Collection Date: 12/14/2015 8:54
Pa`�ameter i 5 ' r +fir `K' Method r :; i Result Units _ Rep Limit Analyst Analysis DatelTime
Copper, Total EPA 200.7 0.015 mg/L 0.005 AA 1/4/2016
Lead, Total SM 3113 B-2004 <0.003 mg/L 0.005 AA 1/6/2016
Zinc, Total EPA 200.7 0.620 mg/L 0.01 AA 1/4/2016
Client Sample ID: Corning 005 Lab Sample ID: 12998-04
Site: Water Tech Labs Collection Date: 12/14/2015 9:07
:Parameters u - Method Result�,._.—Units .•,_�.Reo Limit..Analyst:Analysis DatelTime
Copper, Total EPA 200.7 0.005 mg1L 0.005 AA 1/4/2016
P.O. Box 473 106 Short Street Kemersville, North Carolina 27284 Tel: [phone] Fax: [phone] www.randalabs.com Page 1
rat coa basic vld

RESEARCh & ANA1yTICAI Report of Analysis
LA ORATORIES, INC. 1/13/2016
Client Sample ID: Lab Sample ID:
Site: Collection Date: 9:07
Parameter 4, urE �, Method Result Units Rep Limit Analyst Analysis DatelTime
r ..
Lead, Total SM 3113 B-2004 <0.003 mg/L 0.005 AA 1/6/2016
Zinc, Total EPA 200.7 0.088 mg/L 0.01 AA 1/4/2016
NA = not analyzed
P,O. Box 473 106 Short Street Kernersville, North Carolina 27284 TeL [phone] Fax: [phone] www.randalabs.com Page 2
ral coa basic 0d

. . WMAffEn
R TE rCH LLA ��SS, � �.
Inric� ,
5 Pinewood Plaza Drive 4 P.O. Box 1056
Granite Falls, NC 28630
Phone [phone] — Fax [phone]
CLIENT: Corning Cable Systems-TC Pit PHONE NUMBER: 828-327-5000
c/o Steve Street TYPE SAMPLE: Stormwater
P.O Box 489 No. LOCATIONS: 4
Hickory, NC 28603-0489 SAMPLER NAME:
Sample Collection
Information
TYPE
CONTAINERS
ANALYSIS REQUIRED
Sample Location
FacilityTEMP
Name
PATEE
. °C
Grab/
Composite
No
Plastic/
Glass
Discharge 001
r 1
115'
ra
Grab
3
Plastic/
Glass
TSS, Oil & Gr., Lead, Copper, Zinc
Discharge 002
(L
Grab
3
Plastic/
Glass
TSS, Oil & Gr., Lead, Copper, Zinc
Discharge 003
a�J�1�a�S
$;� a
Grab
3
Plastic/
Glass
TSS, Oil & Gr., Lead, Copper, Zinc
Discharge 005
j211��2ofj
9, p is
Grab
3
Plastic/
Glass
TSS, Oil & Gr., Lead, Copper, Zinc
Relinquis
�.
Date:
a-�
Time:
��►�
Recieved By;
v
Date:
I�-�`I-�
Time:
�� s-�
Relinquished By:
Date:
Time:
Receive y:
Date:
Time:
PRESERVATION:
[I -Cool 4°C
jI-KnO4
j] NaOH
j -1NO3
f 1 Dechlornating Agent
j] Other
SAMPLE TEMP. @ LAB (°C) y .
Chlorine Residual mg/I
NC CERTIFIED LAB # 50

CORNING
February 2"d, 2016
Steve Street Hickory Manufacturing and t 828-901-6695
Sr. EHS Coordinator Technology Center f 828-901-5665
PO Box 489 steve.street@corning.00m
Hickory. NC 28603 www.corning corn
Division of Energy, Mineral, and Land Resources
Attn: DWQ Central Files
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
Dear Sir/Madam:
Please find enclosed an original and one (1) copy of the Stormwater Discharge Monitoring
Report for Corning Optical Communications, LLC — Hickory Manufacturing and Technology
Center (HMTC) located in Hickory, Catawba County, North Carolina. The stormwater
samples were collected on 12/14/2015 for all permitted outfalls and represent the monthly
sample as specified in the Tier lI requirements of HMTC's stormwater permit.
The results are mixed and reflect HMTC to be outside the benchmark value for the following
parameters:
Copper -- Stormwater Outfal 11, 2, and 3
Zinc — Storinwater Outfall 1, 2, 3, and 5
Additional attachments include the Laboratory Analytical Report, Chain -of -Custody, and
Qualitative Monitoring Report. Please contact me if you have any questions at 828-901-6695.
Sincerely,
itA, MON
Stephen L Street
Senior Environmental, Health and Safety Coordinator
attachments
0 2016 Corning Incorporated. All Rights Reserved.

I�
c4VA hC6-030-1(
NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
Forguidance on filling out this form, please visit: httn://aortal.ncdenr,org/web/wq/ws/su/npdessw#tab-4
Permit No.: or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and Technology Center - Corning Optical Communications
County: Catawba Phone No.: 828-901-5793
Inspector: Paul Tavis
Date of Inspection: 11/18812015
Time of Inspection: 7:05 pm
Total Event Precipitation (inches):
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
® Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
- ... ... ...
---.-.. _-- _ ---- - ----- - ----- -- -- -- ------------------ —
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature, I certify that this report is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
© 2016 Corning Incorporated. All Rights Reserved.
Page 1 of 2
SWU-242, Last modified 10/25/2012

1. Outfall Description:
Outfall No. 001 Structure (pipe, ditch, etc.) Pine
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: Reel storage, solid
waste containgaesi t r landfill, haz waste to abuilding.
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Color was clear.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present.'
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
0 2 3 4 5
5. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
Q 2 3 4 5
6. Suspended Solids: Choose the number which hest describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
Q 2 3 4 5
7. Is there any foam in the stormwater discharge? Yes
8. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
0 2016 Corning Incorporated. All Rights Reserved.
Page 2 of 2
SWU-242, Last modified 10/25/2012

NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
Forguidance on filling out this form, please visit. http:1/nortal.ncdennorg/web jwq f Ws/5u/g1de5sw#tab-4
Permit No.: or Certificate of Coverage No.:
Facility Name: Hickory ManULaCtgring. and Technology Center - Corning_ Optical Communications
County: Catawba Phone No.: 828-901-5793
Inspector: Paul Travis
Date of Inspection: 111IQ12015
Time of Inspection: 7:10 pm
Total Event Precipitation (inches): E
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
® Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature, I certify that thisreport is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
© 2016 Corning Incorporated, AIR Rights Reserved.
Pagel of 2
sWU-242, Last modified 10/25/2012

1. Outfall Description:
Outfall No. 002 Structure (pipe, ditch, etc.) Pine
Receiving Stream: Clark'5 Clark'Creek
Describe the industrial activities that occur within the outfall drainage area: Solid waste containers
designated for landfill, metal recycling container, and chemical storage area (covered).
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Discharge was clear.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odors were prgsent.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
10 2 3 4 S
5. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
0 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
01 2 3 4 5
7. Is there any foam in the stormwater discharge? Yes No
B. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: N9ne
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
OO 2016 Corning Incorporated. All Rights Reserved.
Page 2 of 2
SWU-242, Last modified 10/25/2012

��A
NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
Forguidance on filling out this form, please visit. http://12ortal.ncdenr.org/web/wq/ws/su/ni2de5sw#tab-4
Permit No.: IV/C/ 0//Q/Q/0/Q/Q/ or Certificate of Coverage No.: N/C/G/T / _/_/'/ _/—/
Facility Name: Ilickoly ManufacturilIg and Jechnglogy Center - C jining Optical Communications
County: Cat@wba Phone No.: 828-901-5793
Inspector: Paul Travis
Date of Inspection: 11118/2015
Time of Inspection: 7:15 pm
Total Event Precipitation (inches): 1.8"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
® Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature, I certify that this report is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
© 2016 Corning Incorporated. All Rights Reserved.
Pagel of 2
SWU-242, last modified 10/25/2012

1. Outfall Description:
Outfall No. 003 Structure (pipe, ditch, etc.) Pine
Receiving Stream: Claffs Creek
Describe the industrial activities that occur within the outfall drainage area: Reel storage, machine
shoo, and warehouse.
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Discharge was clear.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
Q 2 3 4 5
5. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
01 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
Q 2 3 4 5
7. Is there any foam in the stormwater discharge? Yes No
B. Is there an oil sheen in the stormwater discharge? Yes NN
9. Is there evidence of erosion or deposition at the outfall? Yes NN
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
© 2016 Corning Incorporated. All Rights Reserved.
Page 2 of 2
SWU-242, Last modified 10/2S/2012

NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
Forguidance on filling out this form, please visit: n ng rg jweb.jwQ.jw5j5u.jnessw# tab -
Permit No.: N/Q/Q//Q/Q/Q/Q/0/ or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and Technology Center - Corning Optical Communications
County: Catawba Phone No.: 828-901.-5793
Inspector: Paul Travis
Date of Inspection: 11111812015
Time of Inspection: 7:17 pm
Total Event Precipitation (inches): 1.8"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
®Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
i
A "representative storm event' is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
[ 0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
k
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
'obtains approval from the local DWQ Regional Office.
By this signature, I certify that this report is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
© 2016 Corning Incorporated. All Rights Reserved.
Pagel of 2
SWU•242, last modified 10/25/2012

1. Outfall Description:
Outfall No. %¢04 Structure (pipe, ditch, etc.) Pipe
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: No industrial activities,
only a warehouse.
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Color was clear.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
�1 2 3 4 5
5. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
01 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
01 2 3 4 5
7. Is there any foam in the stormwater discharge? Yes No
8. Is there an oil sheen in the stormwater discharge? Yes H
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
© 2016 Corning Incorporated. All Rights Reserved.
Page 2 of 2
SWU-242, Last modified 10/25/2012

NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
Forguidance on filling out this form, please visit. h d r w w w#
Permit No.: or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and Technology Center - Corning Optical Communications
County: Catawba Phone No.: 828-901-5793
Inspector: Paul Travis
Date of Inspection: 11/18/2015
Time of Inspection: 7:27 pm
Total Event Precipitation (inches):
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
©Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a °measureable storm event" However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature, I certify that this report is accurate and complete to the best of my knowledge:
ture of Permittee or Designee)
© 2016 Corning Incorporated. All Rights Reserved.
Pagel of 2
5WU-242, last modified 10/25/2012

1. Outfall Description:
Outfall No. 015 Structure (pipe, ditch, etc.) Pine
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: Manufacture of fiber
optic cable and wgrehouse.
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Color was clear.__
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was resent,
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
01 2 3 4 5
5. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
Q 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy-
0 2 3 4 5
7. Is there any foam in the stormwater discharge? Yes E
B. Is there an oil sheen in the stormwater discharge? Yes H
4. is there evidence of erosion or deposition at the outfall? Yes
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
© 2016 Corning Incorporated. All Rights Reserved.
Page 2 of 2
SWU-242, last modified 10/25/2012

WRTER6rECH LRBS.Inc.
POST OFFICE BOX 1056 • #5 PINEWOOD PLAZA DR.
GRANITE FALLS, NORTH CAROLINA 28630
[phone]
SAMPLE: Corning Optical (001) COLLECTION DATE: 11/18/2015
PERMIT #: COLLECTION TIME: 19:05
ADDRESS: Corning Optical RECEIVED DATE: 11 /19/2015
P.O. Box 489 RECEIVED TIME: Og:10
Hickory, NC 28603-0489
REPORTED: 12/17/2015
ANALYSIS
ANALYSIS
RESULTS
UNITS
DATE ANALYST
Lead
<0.003
mg1L
12/7115
TSS
8.0
mg/L
11/23/15 irg
Copper
0.006
mg1L
12/8115
Zinc
0.128
mg/L
11/30/15
Oil & Grease
<5.6
mg/L
11/20/15 jdg
LOG ID: 1511-338 REPORTED BY: NC CERTIFIED LAB # 50
f�*
Tony Gragg, Lab Supervisor

mj9rER4TfCM L;TAF.S.Inc.
POST OFFICE BOx 1056 • #5 PINEWOOD PLAZA DR.
GRANITE FALLS, NORTH CAROUNA 28630
[phone]
SAMPLE: Corning Optical (002) COLLECTIONDATE: 11/18/2015
PERMIT #: COLLECTION TIME: 19:10
ADDRESS: Corning Optical RECEIVED DATE: 11 /19/2015
P.O. Box 489 RECEIVED TIME. 09:10
Hickory, NC 28603-0489
REPORTED: 12117/2015
ANALYSIS
ANALYSIS
RESULTS
UNITS
DATE ANALYST
Lead
0.006
mg/L
1217115
TSS
19.3
mg1L
11/23/15 irg
Copper
0.009
mg/L
1218115
Zinc
0.498
mg/L
11/30/15
Oil & Grease
<5.6
mg/L
11/20/15 jdg
1
LOG ID: 1511-339 REPORTED BY: IBC CERTIFIED LAB # 50
fv�
Tony Gragg, Lab Supervisor

idArovirECH LABSr.Inc.
POST OFFICE SOX 1056 • #5 PINEWOOD PLAZA DR.
GRANITE FALLS, NORTH CAROLINA 28630
[phone]
SAMPLE: Corning Optical (003) COLLECTION DATE: 11/18/2015
PERMIT #: COLLECTION TIME: 19:15
ADDRESS: Corning Optical RECEIVED DATE: 11119/2015
P.O. Box 489 RECEIVED TIME: 09:10
Hickory, NC 28603-0489
REPORTED: 12117/2015
ANALYSIS
ANALYSIS
RESULTS
UNITS
DATE ANALYST
Lead
<0.003
mg/L
1217/15
TSS
12.0
mg/L
11/23/15 irg
Copper
0.006
mg/L
1218/15
Zinc
0.408
mg/L
11/30/15
Oil 8, Grease
<5.6
mg/L
11/20/15 jdg
LOG ID: 1511-340 REPORTED BY: NC CERTIFIED LAB # 50
f�*
Tony Gragg, Lab Supervisor

AiRTEROKCH LREFS.Inc.
POST OFFICE BOX 1056 • #5 PINEWOOD PLAZA DR.
GRANITE FALLS, NORTH CAROLINA 28630
[phone]
SAMPLE: Corning Optical (005) COLLECTIONDATE: 11/18/2015
PERMIT #: COLLECTION TIME: 19:26
ADDRESS: Corning Optical RECEIVED DATE: 11/19/2015
P.O. Box 489 RECEIVED TIME: 09-110
Hickory, NC 28603-0489
REPORTED: 12/17/2015
ANAL PSIS
ANALYSIS
RESULTS
UNITS
DATE ANALYST
Lead
<0.003
mg/L
12l7115
TSS
5.4
mg1L
11/23/15 jrg
Copper
0.003
mg1L
1218115
Zinc
0.056
mg/L
11/30/15
Oil & Grease
<5.6
mg/L
11I20115 jdg
LOG ID: 1511-341 REPORTED BY: NCCERTIFIEDLAB # 50
fvll� �' � P
Tony Gragg, Lab Supervisor

RESEARCk & ANA1yTICAL
LAbORATORIESF INC.
For: Water Tech Labs, Inc.
P.O. Box 1056
Granite Falls, NC 28630
Attn: Joe Gragg
Report of Analysis
12/10/2015
�t07 NC#34 y�N
NC 437701
..........
Client Sample ID: Corning 001 Lab Sample ID: 11927-01
Site: Water Tech Labs Collection Date: 11/18/2015 20:05
Parameter Method Result Units Rep, Limit Analyst Analysis Date/Time
Copper, Total SM 3113 B-2004 0.006 mg/L 0.002 AA 12/8/2015
Lead, Total SM 3113 B-2004 <0.003 mg/L 0.003 AA 12/7/2015
Zinc, Total EPA 200.7 0.128 mg/L 0,01 AA 11/30/2015
Client Sample ID: Corning 002 Lab Sample ID: 11927-02
Site: Water Tech Labs Collection Date: 11/18/2015 20:10
Parameter. _ Method' L Result Units Rep Limit Analyst Analysis DatelTime
Copper, Total SM 3113 B-2004 0.009 mg/L 0.002 AA 12I8/2015
Lead, Total SM 3113 B-2004 0.006 mg/L 0.003 AA 12/7/2015
Zinc, Total EPA 200.7 0.498 mg/L 0.01 AA 11/30/2015
Client Sample ID: Corning 003 Lab Sample ID: 11927-03
Site: Water Tech Labs Collection Date: 11/18/2015 20:15
Parameter Method . Result Units Rep Limit Analvst Analysis Date/Time
Copper, Total SM 3113 B-2004 0.006 mg/L 0,002 AA 12/8/2015
Lead, Total SM 3113 B-2004 <0.003 mg/L 0.003 AA 12/7/2015
Zinc, Total EPA 200.7 0.408 mg/L 0.01 AA 11/30/2015
Client Sample ID: Corning 005 Lab Sample ID: 11927-04
Site: Water Tech Labs Collection Date: 11/18/2015 20:26
Parameter Method Result Units Rep Limit Analyst Analysis Date/Time
Copper, Total SM 3113 B-2004 0.003 mg/L 0.002 AA 12/8/2015
P.O. Box 473 106 Short Street Kernersville, North Carolina 27284 Tel: [phone] Fax: [phone] www.randalabs.com Page 1
rai caa basic v1d

RESEARCh & ANA1yTICA[ Report of Analysis
LA ORATORIES, INC. 12/10/2015
Client Sample ID: Lab Sample ID:
Site: Collection Date: 20.26
Parameter Method Result Units Rep Limit Analyst Analysis Date/Time
Lead, Total SM 3113 B-2004 <0.003 mg/L 0.003 AA 12/7/2015
Zinc, Total EPA 200.7 0.056 mg/L 0.01 AA 11/30/2015
NA = not analyzed
P.O. Box 473 106 Short Street Kernersville, North Carolina 27284 Tel: [phone] Fax: [phone] wtiwv.randalabs.corn Page 2
ral coa basic vId

,V l j � �' � I � 1 ' 'C� T L, ,t � ,S 1acWi,
s�
5 Pinewood Plaza Drive - P.O. Box 1056
Granite Falls, NC 28630
Phone [phone] -- Fax [phone]
CLIENT: Corning Cable Systems-TC Pit PHONE NUMBER: 828-327-5000
c/o Steve Street TYPE SAMPLE: Stormwater
P.O Box 489 No. LOCATIONS: 4
Hickory, NC 28603-0489 SAMPLER NAME:
Sample Collection
Information
TYPE
CONTAINERS
ANALYSIS REQUIRED
Sample Location
Facilit Name
DATE
TIME
TEMP. °C
Grab/
Composite
No
Plastic/
Glass
Discharge 001
. ��.
flGlass
Grab
3
Plastic/
TSS, Oil & Gr., Lead, Copper, Zinc
Discharge 002
Grab
3
Plastic/
Glass
TSS, Oil & Gr., Lead, Copper, Zinc
Discharge 003
w.
P7.:-*44
Grab
3
Plastic/
Glass
TSS, Oil & Gr., Lead, Copper, Zinc
Discharge 005
-IQ, J
rn
Grab
3
Plastic/
Glass
TSS, Oil & Gr., Lead, Copper, Zinc
Relinq ' he By:
Date:
Time:
90f,0
4
Recieved B
Date:
Time:
Relinquished By:
Date:
Time:
Recei d By:
Date:
Time:
PRESERVATION:
lyl!SSol 4°C
HI;TSO4
j] NaOH
j�'9N-O3
j] Dechlornating Agent
(] Other
SAMPLE TEMP. @ LAB (°C) J.'j
Chlorine Residual mg/I
NC CERTIFIED LAB # 50

CORNING
January 61", 2016
Steve Street Hickory Manufacturing and t 828-901-6695
Sr. EHS Coordinator Technology Center f 828-901-5665
PO Box 489 [e-mail]
Hickory, NC 28603 www.corning.com
Division of Energy, Mineral, and Land Resources
Attn: DWQ Central Files
1617 Mail Service Center
Raleigh, North Carolina 27699-1612
Dear Sir/Madam:
Please find enclosed an original and one (1) copy of the Stormwater Discharge Monitoring
Report for Corning Optical Communications, LLC — Hickory Manufacturing and Technology
Center (HMTC) located in Hickory, Catawba County, North Carolina. The stormwater
samples were collected on 11/18/2015 for all permitted outfalls and represent the monthly
sample as specified in the Tier I1 requirements of HMTC's stormwater permit.
The results are mixed and reflect HMTC to be outside the benchmark value for the following
parameters:
• Copper— Stormwater Outfall 2
• Zinc — Stormwater Outfall 1, 2, and 3
Additional attachments include the Laboratory Analytical Report, Chain -of -Custody, and
Qualitative Monitoring Report. Please contact me if you have any questions at 828-901-6695.
Sincerely,
Stephen L Street JAN 12 2016
Senior Environmental, Health and Safety Coordinator
attachments
_r
© 2016 Corning Incorporated. All Rights Reserved-

�1C �
ATA PZ15-
NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
For guidance on filling out this form, please visit. hUp: //portal.ncdennorg/web/wq /ws/su/nl2dessw#tab-4
Permit No.: or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and Technology Center — Corning Optical Communications
County: Catawba Phone No.: 828-901-5793
Inspector: Paul Travis
Date of Inspection: 10126/2015
Time of Inspection: :20 am
Total Event Precipitation (inches): 0.35"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
® Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a 'representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature, I certify tha!jjiis report is accurate and complete to the best of my knowledge:
ignature of Permittee or Designee)
© 2015 Corning Incorporated. All Rights Reserved,
Page 1 of 2
SWU-242, last modified 10/25/201Z

1. Outfall Description:
Outfall No. 001 Structure (pipe, ditch, etc.) Pine
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: Reel storage, solid
waste containers designated for landfill, hazardous waste storage, and R&D building`
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Color was clear.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
0 2 3 4 5
5. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
Q 2 3 4 5
G. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
2 3 4 5
7. Is there any foam in the stormwater discharge? Yes H
B. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
© 2015 Corning Incorporated. All Rights Reserved.
Page 2 of 2
5WU-242, Last modified 10/25/2012

A��
NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
Forguidance on filling out this form, please visit: http://aortal.ncdenr,org/web/wq/ws/su/npdessw#tab-4
Permit No.: N/C/ 0/ 3/0/0/0/0/Q/ or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing -and Technology Center - Corning Optical Communications
County: Catawba Phone No.: 828-901-5793
Inspector: Paul Travis
Date of Inspection: 10/26/2015
Time of Inspection: 6:28 am
Total Event Precipitation (inches): 0 K
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
® Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature, I certify that this report is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
OO 2015 Corning Incorporated. All Rights Reserved.
Page 1 of 2
5WU-242, Last modified 10/25/2012

1. Outfall Description:
Outfall No. 002 Structure (pipe, ditch, etc.) Pipe
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: Solid waste containers
designated for landfill, metal recycling container, and chemical storage area (covered).
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Discharge was clear.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odors were present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
Q 2 3 4 5
5. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
Q 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
Q1 2 3 4 5
7. Is there any foam in the stormwater discharge? Yes No
8. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
© 2015 Corning Incorporated. All Rights Reserved.
Page 2 of 2
SWU-242, Last modified 10/25/2012

NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
Forguidance on filling out thisform, please visit. http_J/portal.ncdenr.org/webjwgfws/suInpdessw#tab-4
Permit No.: IN/�/ 0//Q/D/0/0/0/ or Certificate of Coverage No.: N/C/G/_/_/_/_/_/_/
Facility Name: Hickory Manufacturing and Technology Center - Corning Optical Communications
County: Catawba Phone No.: 828-901-5793
Inspector: Paul Travis
Date of Inspection: 10/26/2015
Time of Inspection: 6:25
Total Event Precipitation (inches):.35"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
® Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the j
permitted site outfall. The previous measurable storm event must have been at least 72 hours
i
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature, I certify that this report is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
© 2015 Corning Incorporated. All Rights Reserved.
Page 1 of 2
SWU-242, Last modified 10/25/2012

I. Outfall Description:
Outfall No. 003 Structure (pipe, ditch, etc.) Pipe
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: Reel storage, machine
shop, and warehouse.
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Discharge was clear.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
1 3 4 5
S. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
0 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
1 3 4 5
7. Is there any foam in the stormwater discharge? Yes No
8. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
© 2015 Corning Incorporated. All Rights Reserved.
Page 2 of 2
5WU-242, Last modified 10/25/2012

"'
A&
�*A
NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
Forguidance on filling out thisform, please visit: http_//portal.ncdenr,org/web/wq/ws/su/npdessw#tab-4
Permit No.: N/C/ a/ 3/Q/0/0/0/0/ or Certificate of Coverage No.: N/C/G/,_f_._/,._-/—/_/—/
Facility Name: Hickoa Manufacturing and Technology Center - Corning Optical Communications
County: Catawba Phone No.: 828-901-5793
Inspector: Paul Travis
Date of Inspection: 10/26/2015
Time of Inspection: :32 am
Total Event Precipitation (inches):.35"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
N Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature, I certify that this. report is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
© 2015 Corning Incorporated. All Rights Reserved.
Pagel of 2
SWU-242, Last modified 10/25/2012

1. Outfall Description:
Outfall No. 004, Structure (pipe, ditch, etc.) Pipe
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: No industrial activities,
only a warehouse.
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Color was clear.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
Q 2 3 4 5
5. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
2 3 4 5
G. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
2 3 4 5
7. Is there any foam in the stormwater discharge? Yes No
8. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
© 2015 Corning Incorporated. All Rights Reserved.
Page 2 of 2
SWO-242, Last mndiried 10/25/2012

NCDENR
Stormwater Discharge 4utfall (SDO)
Qualitative Monitoring Report
For guidance on filling out this farm, please visit: littl2:1/portal.ncdcor.org/web/wil/ws/su/npdessw#tab-4
Permit No.: (v/C/ 0//Q/Q/0/Q/Q/ or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and Technology Center - Corning Optical Communications
County: Catawba Phone No.: 828-901-5793
Inspector: Paul Travis
Date of Inspection: 10/26/2015
Time of Inspection: 6:48 am
Total Event Precipitation (inches):.35"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
Ryes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
- ---- ------ - --.- __.-...._ --- - -----
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
f
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
I
A "representative storm event' is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event' is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature, I certify that this report is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
© 2015 Corning Incorporated. All Rights Reserved,
Pagel of 2
SWU-242, last modified 10/25/2012

1. Outfall Description:
Outfall No. 005 Structure (pipe, ditch, etc.) Pine
Receiving Stream: ClarWs Creek
Describe the industrial activities that occur within the outfall drainage area: Manufacture of fiber
optic cable and warehouse.
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Color was clear.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
n1 2 3 4 5
S. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
Q1 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
Q1 2 3 4 5
7. Is there any foam in the stormwater discharge? Yes No
8. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
© 2015 Corning Incorporated. All Rights Reserved.
Page 2 of 2
SWU-242, Last modified 10/25/2012

1IRTER6rECH LRBR.Inc.
POST OFFICE BOX 1056 • #5 PINEWOOD PLAZA DR.
GRANITE FALLS, NORTH CAROLINA 28630
[phone]
SAMPLE: Corning Optical (001) COLLECTION DATE: 10/26/2015
PERMIT #: COLLECTION TIME: 06:26
ADDRESS: Corning Optical RECEIVED DATE: 10/26/2015
P.Q. Box 489 RECEIVED TIME: 10:50
Hickory, NC 28603-0489
REPORTED: 11/20/2015
ANALYSIS
ANALYSIS
RESULTS
UNITS
DATE ANALYST
Lead
<0.003
mg/L
1115115
TSS
7.3
mg/L
10/27/15 irg
Copper
0.015
mg/L
11/12/15
Zinc
0.352
mg/L
1114/15
Oil & Grease
<5.6
mglL
10/30/15 idg
LOG ID: 1510-363 REPORTED BY: NC CERTIFIED LAB # 5C
ffl�
-Pony Gragg, Lab Supervisor

1dRTKR6TI`CH LEiBS.Inc.
POST OFFICE BOX 1056 • #5 PINEWOOD PLAZA DR.
GRANITE FALLS, NORTH CAROLINA 28630
[phone]
SAMPLE: Corning Optical (002) COLLECTION DATE: 10/26/2015
PERMIT ##: COLLECTION TIME: 06:35
ADDRESS: Corning Optical RECEIVED DATE: 10/26/2015
P.O. Box 489 RECEIVED TIME: 10:50
Hickory, NC 28603-0489
REPORTED: 11 /20/2015
ANALYSIS
'
ANALYSIS
RESULTS
UNITS
DATE ANALYST
Lead
<0.003
mg/L
11/5/15
TSS
10.7
mg/1-
10/27/15 jrg
Copper
0.018
mg/L
11/12/15
Zinc
0.886
mg/L
11/4/15
Oil & Grease
<5.6
mg/L
10/30/15 jdg
LOG ID: 1510-364 REPORTED BY: NC CERTIFIED LAB # 50
fa�
Tony Gragg. Lab Supervisor

idj mirECH LAe.S.Inc.
POST OFFICE BOX 1056 • #5 PINEWOOD PLAZA DR.
GRANITE FALLS, NORTH CAROL.INA 28630
[phone]
SAMPLE: Corning Optical (003) COLLECTION DATE: 10/26/2015
PERMIT #: COLLECTION TIME: 06:31
ADDRESS: Corning Optical RECEIVED DATE: 10/26/2015
P.O. Box 489 RECEIVED TIME: 10:50
Hickory, NC 28603-0489
REPORTED: 11 /20/2015
ANALYSIS
{
ANALYSIS
RESULTS
UNITS
t
DATE ANALYST
Lead
<0.003
mglL
1115l15
TSS
21,5
mglL
10/27/15 jrg
Copper
0.016
mglL
11/12/15
Zinc
1.06
mglL
11/4/15
Oil & Grease
<5.6
mglL
10/30/15 jdg
LOG ID: 1510-365 REPORTED BY: NC CERTIFIED LAB # 50
faiq,
'Pony Gragg, Lab Supervisor

MRrER6rECH t111551nc.
POST OFFICE BOX 1056 • #5 PINEWOOD PLAZA DR.
GRANITE FALLS. NORTH CAROLINA 28630
[phone]
SAMPLE: Corning Optical (005) COLLECTION DATE: 10/26/2015
PERMIT #: COLLECTION TIME: 06:42
ADDRESS: Corning Optical RECEIVED DATE: 10/26/2015
P.O. Box 489 RECEIVED TIME: 10:50
Hickory, NC 28603-0489
REPORTED: 11 /20/2015
ANALYSIS
ANALYSIS
RESULTS
UNITS
DATE ANALYST
Lead
<0.003
mglL
1115/15
TSS
8.0
mglL
10/27/15 jrg
Copper
0.010
mglL
11/12/15
Zinc
0.129
mglL
1114/15
Oil 8 Grease
<5.6
mglL
10/30/15 idg
LOG 1D: 1510-366 REPORTED BY: NC CERTIFIED LAB !# 50
fv�
'Pony Gragg. Lab Supervisor

RESEARCh & ANA1yTICA[
LAbORATORiES? INC.
For: Water Tech Labs, Inc.
P.O. Box 1056
Granite Falls, NC 28630
Attn: Joe Gragg
Report of Analysis
11 /17/2015
�praurrtiil
7-7
0,?v3 NC#34 �`tn
NC #37701
���+rrrrrrN�
Client Sample ID: Corning -001 Lab Sample ID: 11016-01
Site: Water Tech Labs Collection Date: 10/26/2015 6:26
Parameter Method Result Units Rep Limit Analyst Analysis Date/Time
Copper, Total SM 3113 B-2004 0.015 mg/L 0.002 AA 11/12/2015
Lead, Total EPA 200.7 <0.003 mg/L 0,005 AA 11/5/2015
Zinc, Total EPA 200.7 0.352 mg/L 0.01 AA 11/4/2015
Client Sample ID: Corning -002 Lab Sample ID: 11016-02
Site: Water Tech Labs Collection Date: 10/26/2015 6:35
Parameter Method Result Units Rep Limit Analyst Analysis Date/Time
Copper, Total SM 3113 B-2004 0.018 mg/L 0.002 AA 11/12/2015
Lead, Total EPA 200.7 <0.003 mg/L 0.005 AA 11/5/2015
Zinc, Total EPA 200.7 0.886 mg/L 0.01 AA 11/4/2015
Client Sample ID: Corning -003 Lab Sample ID: 11016-03
Site: Water Tech Labs Collection Date: 10/26/2015 6:31
Parameter Method Result Units Rep Limit Analyst Analysis Date/Time
Copper, Total SM 3113 B-2004 0,016 mg/L 0.002 AA 11/12/2015
Lead, Total EPA 200.7 <0.003 mg1L 0.005 AA 11/5/2015
Zinc, Total EPA 200.7 1,06 mg/L 0.01 AA 11/4/2015
Client Sample ID: Corning -005 Lab Sample ID: 11016-04
Site: Water Tech Labs Collection Date: 10/26/2015 6:42
Parameter Method Result Units Rep Limit Analyst Analysis DatelTime
Copper, Total SM 3113 B-2004 0.010 mg/L 0.002 AA 11/12/2015
P.O. Box 473 106 Short Street Kernersville, North Carolina 27284 Tel: [phone] Fax: [phone] www.randalabs.com Page 1
raf cca basic v 1 d

RESEARCh & ANA1yTiCA1 Report of Analysis
LA ORATORIES, INC. 11/17/2015
Client Sample ID: Lab Sample ID:
Site: Collection Date: 6:42
Parameter Method Result Units Rep Limit Analyst Analysis DatelTime
Lead, Total EPA 200.7 <0.003 mg/L 0.005 AA 11/5/2015
Zinc, Total EPA 200.7 0.129 mg/L 0.01 AA 11/4/2015
NA = not analyzed
P.O. Box 473 106 Short Street Kernersville, North Carolina 27284 Tel: [phone] Fax: [phone] www.randalabs.ccm Page 2
ral cca basic vld

W,\ i r1 r t �% I J r 1 �1 ' - I
LL r'1 S I I!11�/ .
J �,
5 Pinewood Plaza Drive - P.O. Box 1056
Granite Falls, NC 28630
Phone [phone] - Fax [phone]
CLIENT: Corning Cable Systems-TC Pit PHONE NUMBER: 828-327-5000
c/o Steve Street
P.O Box 489
Hickory, NC 28603-0489
TYPE SAMPLE: Stormwater
No. LOCATIONS: 0 L1
Sample Collection
Information
TYPE
CONTAINERS
ANALYSIS REQUIRED
Sample Location
Facility. Name
DATE
TIME
TEMP°C
Grabl
Composite
No
Plastic/
Glass
Discharge 001
�� ��(8�1?
Grab
3
Glass/
TSS, Oil & Gr., Lead, Copper, Zinc
Discharge 002
Grab
3
Plastic
s
Glass
TSS, Oil & Gr., Lead, Copper, Zinc
Discharge 003
)0/�
(APA
Grab
3
Glass/
TSS, Oil & Gr., Lead, Copper, Zinc
Discharge 005
10 2(p
I w.
�v r
Grab
3
PlastiGlass/
TSS, Oil & Gr., Lead, Copper, Zinc
Relinquish e By:
Date:
Time:
Reci ved y;
Date:
Time:
Relinquished By:
Date:
Time:
Re7 d By:
Date:
Time:
PRESERVATION:
[PC0-0T4°C
[�304
[] NaO
03
[] Dechlornating Agent
[] Other
SAMPLE TEMP. @
Chlorine Residual M" mg/l
NC CERTIFIED LAB # 50

CORNING
December 2"d, 2015
Steve Street Hickory Manufacturing and t828-901-6695
Sr. EHS Coordinator Technology Center f 828-901.5665
PO Box 489 steve [e-mail]
Hickory, NC 28603 www,corring.com
Division of Energy, Mineral, and Land Resources
Attn: DWQ Central Niles
1617 Mail Service Center
Raleigh, North Carolina 27699-1612
Dear Sir/Madam:
Please find enclosed an original and one (1) copy of the Stormwater Discharge Monitoring
Report for Corning Optical Communications, LLC -- Hickory Manufacturing and Technology
Center (HMTC) located in Hickory, Catawba County, North Carolina. The stormwater
samples were collected on 10/26/2015 for all permitted outfalls and represent the monthly
sample as specified in the Tier I1 requirements of HMTC's stormwater permit.
The results are mixed and reflect HMTC to be outside the benchmark value for the following
parameters:
• Copper — Stormwater Outfall 1, 2, 3, and 5
• Zinc -- Stormwater Outfall 1, 2, 3, and 5
Additional attachments include the Laboratory Analytical Report, Chain -of -Custody, and
Qualitative Monitoring Report. Please contact me if you have any questions at 828-901-6695.
Sincerely,
Stephen L Street
Senior Environmental, Health and Safety Coordinator
attachments
© 2015 Coming Incorporated. All Rights Reserved.

Semi-annual Stormwater Discharge Monitoring Report
for North Carolina Division of Water Quality General Permit No. NCG030000
r lt/) t/' Date submitted: 08/14/2015
CERTIFICATE OF COVERAGE NO.�
FACILITY NAME: Hickory Manufacturing and TechnolM C@nter
COUNTY: Catawba
PERSON COLLECTING SAMPLES: Steve Street
LABORATORY: Water Tech Labs Lab Cert. # 50
Comments on sample collection or analysis:Click here to enter text.
Part A: Stormwater Benchmarks and Monitoring Results
SAMPLE COLLECTION YEAR: 2015
SAMPLE PERIOD ❑ Jan -June ❑ July -Dec 4=
or ® Monthly' — Js1 0:1=1
DISCHARGING TO CLASS ❑ORW ❑HQW ❑Trout]PNA
❑Zero -flow ❑Water Supply ❑SA
❑Other
PLEASE REMEMBER TO SIGN ON PAGES 2 AND/OR 3 4
❑ No discharge this period?'
Date Sample
24-hour rainfall
pH,
Non -Polar O&G/Total
Toxic
Outfall No.
Collected'
amount,
Total Suspended Solids
Standard units
Copper
Lead
Zinc
Total Petroleum
Organicss
(mo/dd/yr)
Inches3
Hydrocarbons
Benchmarks = =>
_
-
100 mg/L or 50 mg/L
6.0 — 9.0
0.007 mg/L
0.03 mg/L
0.067 mg/L
15 mg/L
1 mg/L
1
07/14/15
.25"
110 mg/I
6.26
.02Z mg/I
.016 mg/I
1.04 mg/I
<5.6 mg/I
N/A
2
07/14/15
.25"
36 mg/I
7.46
.023 mg/I
.007 mg/I
.729 mg/I
<5.6 mg/I
N/A
3
07/14/15
.25"
52.9 mg/I
7.35
.024 mg/I
.009 mg/I
.918 mg/I
<5.6 mg/I
N/A
5
07/17/15
.25"
13.5 rrI
6.46 1
.019 mg/i
<.003 mg/I
.098 mg/I I
<5.6 mg/I
N/A
1 Monthly sampling (instead of semi-annual) must begin with the second consecutive benchmark exceedance for the same parameter at the same outfall.
i For sampling periods with no discharge at any single outfall, you must still submit this discharge monitoring report with a checkmark here.
3 The total precipitation must be recorded using data from an on -site rain gauge. Unattended sites may be eligible for a waiver of the rain gauge requirement.
4 See General Permit, Table 3 identifying the especially sensitive receiving water classifications where the more protective benchmark applies.
5 Total Toxic Organics sampling is applicable only for those facilities which perform metal finishing operations, manufacture semiconductors, manufacture
electronic crystals, or manufacture cathode ray tubes. For purposes of this permit the definition of Total Toxic Organics is that definition contained in the EPA
Effluent Guidelines for the facility subject to the requirement to sample (for metal finishing use the definition as found in 40 CFR 433.11; for semiconductor
manufacture use the definition as found in 40 CFR 469.12; for electronic crystal manufacture use the definition as found in 40 CFR 469.22; and for cathode ray
tube manufacture use the definition found in 40 CFR 469.31).
© 2015 Corning Incorporated. All Rights Reserved.
Permit Date: 11/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 1 of 3

Facilities that incorporate a solvent management plan into the Stormwater Pollution Prevention Plan may so certify, and the requirement for TTO monitoring
may be waived. The solvent management plan shall include a list of the total toxic organic compounds used and the other elements listed in the General
Permit. For those facilities electing to employ the TTO monitoring waiver, the discharger shall sign the following certification statement:
"Based upon my inquiry of the person or persons directly responsible for managing compliance with the permit monitoring requirement for total toxic organics
(TTO), I certify that to the best of my knowledge and belief, no dumping of concentrated toxic organics into the stormwater or areas which are exposed to rainfall or
stormwater runoff has occurred since filing the last discharge monitoring report. I further certify that this facility is implementing the all the provisions of the
solvent management plan included in the Stormwater Pollution Prevention Plan."
N/ - - - - — -
Name (Print name)
WA
Title (Print title) ^
(Signature)
(Date)
Note: Results must be reported in numerical format. Do not report Below Detection Limit, BDL, <PQL, Non -detect, ND, or other similar non -numerical
format. When results are below the applicable limits, they must be reported in the format, "<XX me/L", where XX is the numerical value of the detection
limit, reporting limit, etc. in mg/L.
Note: If you report a sample value in excess of the benchmark, you must implement Tier 1, Tier 2, or Tier 3 responses. See General Permit text.
Part B: Vehicle Maintenance Area Monitoring Results: only for facilities averaging > 55 gal of new oil per month.
❑ No discharge this period?z
Outfall No.
Date Sample
Collected'
(mo/dd/yr)
24-hour rainfall
amount,
Inches3
Non -polar O&G/TPH by
EPA 1664 (SGT-HEM)
Total Suspended Solids
pH
Benchmarks -==>
-
-
15 mg/L
100 mg/L or 50 mg/L*
6.0 - 9.0 SU
N/A
N/A
N/A
N/A
N/A
N/A
© 2015 Coming Incorporated. All Rights Reserved.
Permit Date: 11/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 2 of 3

Footnotes from Part A also apply to this Part B
* See General Permit text, Table 5, identifying the especially sensitive receiving water classifications where the more protective benchmark applies.
Note: if you report a sample value in excess of the benchmark, you must implement Tier 1, Tier 2, or Tier 3 responses. See General Permit text
FOR PART A AND PART B MONITORING RESULTS:_
• A BENCHMARK EXCEEDANCE TRIGGERS TIER 1 REQUIREMENTS. SEE PERMIT PART II SECTION B.
• 2 EXCEEDANCES IN A ROW FOR THE SAME PARAMETER AT THE SAME OUTFALL TRIGGER TIER 2 REQUIREMENTS. SEE PERMIT PART 11 SECTION B.
• TIER 3: HAS YOUR FACILITY HAD 4 OR MORE BENCHMARK EXCEEDENCES FOR THE SAME PARAMETER AT ANYONE OUTFALL? YES®NOD
IF YES, HAVE YOU CONTACTED THE DWQ REGIONAL OFFICE? YES® NO ❑
REGIONAL OFFICE CONTACT NAME: Several discussions and correspondence held with Samar Bou-Ghazale.
Mail an original and one copy of this DMR includin all n[q Discharge" reports within 30 days of recei t of the Lab results tor at end of monitoring eriod
In the case of "No Discharge" L orts! to:
Division of Water Quality
Attn: DWQ Central Files
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
.YOU MUST SIGN THIS, CERTIFICATION FOR ANY INFORMATION_ REPORTED:
"I certify, under penalty of law, that this document and all attachments were prepared under my direction or supervision in accordance with a system designed to
assure that qualified personnel properly gather and evaluate the information submitted. Based on my inquiry of the person or persons who manage the system, or
those persons directly responsible for gathering the information, the information submitted is, to the best of my knowledge and belief, true, accurate, and complete.
am aware that there are si nlfecant pen es for submitting false information, including the possibility of fines and imprisonment for knowing violations."
71Z C)/s
(Signature of Permittee)
(Date)
© 2015 Corning Incorporated. All Rights Reserved.
Permit Date: 11/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 3 of 3

Semi-annual Stormwater Discharge Monitorinp, Report
for North Carolina Division of Water Quality General Permit No. NCG030000
NDate submitted: 08 14 2015
CERTIFICATE OF COVERAGE NQ,bC &. SAMPLE COLLECTION YEAR: 2015
FACILITY NAME: Hickory Manufacturing and Technology Center
COUNTY: Catawba
PERSON COLLECTING SAMPLES: Steve Street
LABORATORY: Water Tech Lams Lab Cert. # 50
Comments on sample collection or analysis:
Part A: Stormwater Benchmarks and Monitoring Results
SAMPLE PERIOD ❑ Jan -June ❑ July -Dec
or ® Monthly' — Aug
�
{DISCHARGING TO CLASS ❑ORW ❑HQW [:]Trout ❑PNA ±_.+ ❑Zero -flow ❑Water Supply ❑SA
Ut i 0 7 2o15 ❑Other
'EVR-1,q"'zR1i_y PLEASE REMEMBER TO SIGN ON PAGES 2 AND/OR 3 4
S � OR�'viLVgTERr`rr;�JG
❑ No discharge this period?z
graw
Outfall No.
Date Sample
24-hour rainfall
Total Suspended Solids
pH,
Copper
Lead
Zinc
Non -Polar O&G/
Total Petroleum
Total Toxic
Collected'
amount,
Standard units
Hydrocarbons
Organics
(mo/dd/yr)
Inches
Benchmarks =_=>
_
-
100 mg/L or 50 mg/L
6.0 — 9.0
0.007 mg/L
0.03 mg/L
0.067 mg/L
15 mg/L
1 mg/L
1
08/18/15
.3"
7.3 mg/l
6.59
.006 mg/I
<.003 mg/I
.136 mg/I
<5.6 mg/I
N/A
2
08/18/15
.3"
21.3 mg/I
6.45
.018 mg/I
.004 mg/I
.762 mg/I
<5.6 mg/l
N/A
3
08/18/15
.3"
7.0 mg/I
6.18
.007 mg/I
<,003 mg/I
.405 mg/I
<5.6 mg/i
N/A
5
08/18/15
.3" 1
5.2 mg/I J
7.08
<.002 mg/I
<.003 mg/I
.077 mg/I
<5.6 mg/I
N/A
' Monthly sampling (instead of semi-annual) must begin with the second consecutive benchmark exceedance for the same parameter at the same outfall.
2 For sampling periods with no discharge at any single outfall, you must still submit this discharge monitoring report with a checkmark here.
3The total precipitation must be recorded using data from an on -site rain gauge. Unattended sites may be eligible for a waiver of the rain gauge requirement.
° See General Permit, Table 3 identifying the especially sensitive receiving water classifications where the more protective benchmark applies.
5 Total Toxic Organics sampling is applicable only for those facilities which perform metal finishing operations, manufacture semiconductors, manufacture
electronic crystals, or manufacture cathode ray tubes. For purposes of this permit the definition of Total Toxic Organics is that definition contained in the EPA
Effluent Guidelines for the facility subject to the requirement to sample (for metal finishing use the definition as found in 40 CFR 433.11; for semiconductor
manufacture use the definition as found in 40 CFR 469.12; for electronic crystal manufacture use the definition as found in 40 CFR 469.22; and for cathode ray
tube manufacture use the definition found in 40 CFR 469.31).
© 2015 Corning Incorporated. All Rights Reserved.
Permit Date: 11/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 1 of 3

Facilities that incorporate a solvent management plan into the Stormwater Pollution Prevention Plan may so certify, and the requirement for TTO monitoring
may be waived. The solvent management plan shall include a list of the total toxic organic compounds used and the other elements listed in the General
Permit. For those facilities electing to employ the TTO monitoring waiver, the discharger shall sign the following certification statement:
"Based upon my inquiry of the person or persons directly responsible for managing compliance with the permit monitoring requirement for total toxic organics
(TTO), I certify that to the best of my knowledge and belief, no dumping of concentrated toxic organics into the stormwater or areas which are exposed to rainfall or
stormwater runoff has occurred since filing the last discharge monitoring report. I further certify that this facility is implementing the all the provisions of the
solvent management plan included in the Stormwater Pollution Prevention Plan."
N/A
Name (Print name)
N/A
Title (Print title)
(Signature)
(Date)
Note: Results must be reported in numerical format. Do not report Below Detection Limit, BDL, <PQL, Non -detect, ND, or other similar non -numerical
format. When results are below the applicable limits, they must be reported in the format, "<XX mg/L", where XX is the numerical value of the detection
limit, reporting limit, etc. in mg/L.
!Vote. If you report a sample value in excess of the benchmark, you must implement Pier 1, Tier 2, or Tier 3 responses. See General Permit text.
Part B: Vehicle Maintenance Area Monitoring Results: only for facilities averaging > 55 gal of new oil per month.
❑ No discharge this period?'
Outfail No.
Date Sample
Collected'
(mo/dd/yr)
24-hour rainfall
amount,
Inches3
Non -polar O&G/TPH by
EPA 1664 (SGT-HEM)
Total Suspended Solids
pH
Benchmarks
15 mg/L
100 mg/L or 50 mg/L*
6.0 — 9.0 SU
N/A
N/A
N/A
N/A
N/A
N/A
© 2015 Corning Incorporated. All Rights Reserved.
Permit Date: 11/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 2 of 3

Footnotes from Part A also apply to this Part B
* See General Permit text, Table 5, identifying the especially sensitive receiving water classifications where the more protective benchmark applies.
Note: If you report a sample value in excess of the benchmark, you must implement Tier 1, Tier 2, or Tier 3 responses. See General Permit text.
FOR PART A AND PART B MONITORING RESULTS:
• A BENCHMARK EXCEEDANCE TRIGGERS TIER 1 REQUIREMENTS. SEE PERMIT PART II SECTION B.
• 2 EXCEEDANCES IN A ROW FOR THE SAME PARAMETER AT THE SAME OUTFALL TRIGGER TIER 2 REQUIREMENTS. SEE PERMIT PART 11 SECTION B.
• TIER 3: HAS YOUR FACILITY HAD 4 OR MORE BENCHMARK EXCEEDENCES FOR THE SAME PARAMETER AT ANY ONE OUTFALL? YES ® NO❑
IF YES, HAVE YOU CONTACTED THE DWQ REGIONAL OFFICE? YES ® NO ❑
REGIONAL OFFICE CONTACT NAME: Several discussions and correspondence held with Samar Bou-Ghazale.
Mail on original and one copy of this DMR, including all "No Dischar eve"" reports within 30_days of receipt of the lob results for at end of monitoring Period
in the case of "No Discharge" reports) to:
Division of Water Quality
Attn: DWQ Central Files
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
YOU MUST SIGN THIS CERTIFICATION FOR ANY INFORMATION REPORTED:
"I certify, under penalty of law, that this document and all attachments were prepared under my direction or supervision in accordance with a system designed to
assure that qualified personnel properly gather and evaluate the information submitted. Based on my inquiry of the person or persons who manage the system, or
those persons directly responsible for gathering the information, the information submitted is, to the best of my knowledge and belief, true, accurate, and complete.
am aware that there are significant penalties for submitting false information, including the possibility of fines and imprisonment for knowing violations."
(Signature of Permittee)
(Date)
© 2015 Corning Incorporated. All Rights Reserved.
Permit Date: 11/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 3 of 3

LFOXA
A7*�-A
NCDENR
Stormwater Discharge 4utfall (SDO)
Qualitative Monitoring Report
For guidance on fining out this form, please visit: http://portportal.ncdenr.org/web/wa/wslsu/npdessw#tab-4
Permit No.: 1V/C/ 0/ 3/0/0/Q/0/0/ or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and Technology Center Corning Optical Communications
County: Calawba Phone No.: 828-901-6695
Inspector: Steve Street
Date of Inspection: 08 18 15
Time of Inspection: 9:01 am
Total Event Precipitation (inches): X
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
® Yes ❑ No
Please verify whether Qualitative Monitoring must he performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event' is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature, I certify that this report is, accurate and complete to the best of my knowledge:
of Permittee or Designee)
© 2015 Corning Incorporated. All Rights Reserved.
Pagel of 2
SWU-242, last modified 10/25/2012

1. Outfall Description:
Outfall No. 001 Structure (pipe, ditch, etc.) Pipe
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: Reel storage, solid
waste containers designated for landfill, hazardous waste storage. and R&D building,
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Color was clear.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
1 2 3 4 5
5. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
n 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
Q 2 3 4 5
7. Is there any foam in the stormwater discharge? Yes NN
8. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators ofStormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
© 2015 Corning Incorporated, Alt Rights Reserved.
Page 2 of 2
SWU-242, Last modified 10/25/2012

NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
For guidance on filling out this form, please visit: httRlip ortal.ncdenr.org/web/wq /ws/su/nndessw#tab-4
Permit No.: N/C/Q/ 3/Q/Q/0/Q/Q/ or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and Technology Center - Corning Optical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Steve Street
Date of Inspection: 08118115
Time of Inspection: 8:53 am
Total Event Precipitation (inches):.3"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
® Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signatu I certify that thi�grt is accurate and complete to the best of my knowledge:
ture of Permittee or Designee)
O 2015 Corning Incorporated. All Rights Reserved.
Pagel of 2
SWU-242, Last modified 10/25/2012

1. Outfall Description:
Outfall No. 002 Structure (pipe, ditch, etc.) Pipe
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: Solid waste containers
designated for landfill met 1 recycling container, and chemical stora a area covered J.
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Discharge was a light gray.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odors were present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
1 0 3 4 5
5. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
W 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
1 Q2 3. 4 5
7. Is there any foam in the stormwater discharge? Yes No
8. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
© 2015 Corning Incorporated. All Rights Reserved.
Page 2 of 2
SWU-242. Last modified 10/25/2012

NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
Forguidance on filling out thisform, please visit: htt�.11pQrtal.ncdenr.ore/web/wa/ws/su/nndessw#tab-4
Permit No.: N/C/ 0/ 3/0/0//0/0/ or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and Technology Center - Corning Optical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Steve Street
Date of Inspection: 08 18 15
Time of Inspection: 8:55m
Total Event Precipitation (inches): X
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
® Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature, I certify that this report is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
© 2015 Corning Incorporated, All Rights Reserved.
Pagel of 2
SWU-242, Last modified 10/25/2012

1. Outfall Description:
Outfall No. 003 Structure (pipe, ditch, etc.) Pipe
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: Reel storage, machine
shop, and warehouse.
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Discharge wa5 light clear.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
01 2 3 4 5
5. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
Q 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
Q 2 3 4 5
7. Is there any foam in the stormwater discharge? Yes No
B. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes 5
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
© 2015 Corning Incorporated. All Rights Reserved.
Page 2 of 2
SWU-242, last modified 10/25/2012

Affl7*w�-A
WDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
For guidance on filling out this farm, please visit: http:1/portal.ncdenr.org/web/wg/ws/su/npdessw#tab-4
Permit No.: iV// 0/ 3/0/0/0/0/0/ or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and Technology Center - Corning Optical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Steve Street
Date of inspection: 08 18 15
Time of Inspection: 8: 7 am
Total Event Precipitation (inches): ,."
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
® Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
I Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
i
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
i
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature, I certify that this report is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
© 2015 Corning Incorporated. All Rights Reserved.
Pagel of 2
SWU-242, East modified 10/25/2012

1. Outfall Description:
Outfall No. Q04 Structure (pipe, ditch, etc.) Pine
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: No industrial activities,
only a warehouse.
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Color was clear.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
n1 2 3 4 5
5. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
Q1 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
0 2 3 4 5
7. is there any foam in the stormwater discharge? Yes No
B. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
© 2015 Corning Incorporated. All Rights Reserved.
Page 2 of 2
5WU-242, Last modified 10/25/2012

A
NCDENR
Stormwater Discharge 4utfall (SD4)
Qualitative Monitoring Report
For guidance on filling out this form, please visit: http:I/portal.ncdenr.org/web Jwq jws/suInpdessw#tab-4
Permit No.: or Certificate of Coverage No.:
Facility Name: Hic Manufacturing and Technology Center - C rnin tic 1 Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Steve Street
Date of Inspection: 08118115
Time of Inspection: 9:13 am
Total Event Precipitation (inches):.3"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
© Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
4 Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be _._.
performed during a "representative storm event" or during a "measureable storm event." However, j
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
I Ii
A "measurable storm event" is a storm event that results in an actual discharge from the I
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter Ik
interval is representative for local storm events during the sampling period, and the permittee 1
obtains approval from the local DWQ Regional Office. ----------
By this signature, I certify thag this report is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
© 2015 Corning Incorporated. All Rights Reserved.
Pagel of 2
SWU-242, Last modified 10/25/2012

1. Outfall Description:
Outfall No. 00 Structure (pipe, ditch, etc.) Pine
Receiving Stream: ClarWs Creek
Describe the industrial activities that occur within the outfall drainage area: Manufacture of fiber
optic cable and warehouse.
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Color was clear;
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
Ol 2 3 4 5
5. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
Q 2 3 4 5
b. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
Q 2 3 4 5
7. Is there any foam in the stormwater discharge? Yes No
8. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
O 2015 Corning Incorporated. All Rights Reserved.
Page 2 of 2
SWU-242, Last modified 10/25/2012

IdRTEROECH LRBS-inc.
POST OFFICE BOX 1056 • #5 PINEWOOD PLAZA DR.
GRANITE FALLS, NORTH CAROLINA 28630
[phone]
SAMPLE: Corning Optical (001) COLLECTION DATE: 8/18/2015
PERMIT #: COLLECTION TIME: 09:01
ADDRESS: Corning Optical RECEIVED DATE: 8/18/2015
P.O. Box 489 RECEIVED TIME. 10:21
Hickory, NC 28603-0489
REPORTED: 9/17/2015
ANALYSIS
ANALYSIS
RESULTS
UNITS
DATE ANALYST
Lead
<0.003
mg1L
9/9115
TSS
7.3
mg1L
8120115 jrg
Copper
0.006
mg/L
911115
Zinc
0.136
mg1L
8128/15
Oil & Grease
<5.6
mg/L
8/21/15 jdg
LOG ID: 1508-239 REPORTED BY: NC CERTIFIED LAB # 50
fl�
Tony Gragg, Lab Supervisor

WRrEROKCH LRDS.Inc.
POST OFFICE BOX 1056 - #5 PINEWOOD PLAZA DR,
GRANITE FALLS, NORTH CAROLINA 28630
[phone]
SAMPLE: Corning Optical (002) COLLECTION DATE: 8/18/2015
PERMIT #' COLLECTION TIME: 08:53
ADDRESS: Corning Optical RECEIVED DATE: 8/18/2015
P.O. Box 489 RECEIVED TIME: 10:21
Hickory, NC 28603-0489
REPORTED: 9/17/2015
ANALYSIS
ANALYSIS
RESULTS
UNITS
DATE ANALYST
Lead
0.004
mg/L
919/15
T55
21.3
mg/L
8/20/15 jrg
Copper
0.018
mg/L
9/1115
Zinc
0.762
mg/L
8/28115
Oil & Grease
<5.6
mg/L
8/21/15 jdg
LOG ID: 1508-240 REPORTED BY: NC CERTIFIED LAB # 50
fv�
Tony Gragg, Lab Supervisor

#d1wrER6rECH
POST OFFICE SOX 1056 • #5 PINEWOOD PLAZA DR.
GRANITE FALLS, NORTH CAROLINA 28630
[phone]
SAMPLE: Corning Optical (003) COLLECTION DATE: 8/18/2015
PERMIT #: COLLECTION TIME: 08:55
ADDRESS: Corning Optical RECEIVED DATE: 8/18/2015
P.O. Box 489 RECEIVED TIME: 10:21
Hickory, NC 28603-0489
REPORTED: 9/17/2015
ANALYSIS
ANALYSIS
RESULTS
UNITS
DATE ANALYST
Lead
<0.003
mg1L
919115
TSS
7.0
mg1L
8/20115 jrg
Copper
0.007
mg1L
911/15
Zinc
0.405
mg1L
8128/15
Oil & Grease
<5.6
mg1L
8/21/15 jdg
LOG ID: 1508-241 REPORTED BY: NC CERTIFIED LAB # 50
fpl�
Tony Gragg, Lab Supervisor

IdRrEROECH LA65 c.
POST OFFICE BOX 1056 • #5 PINEWOOD PLAZA DR.
GRANITE FALLS, NORTH CAROLINA 28630
[phone]
SAMPLE: Corning Optical (005) COLLECTION DATE:
8/18/2015
PERMIT #: COLLECTION TIME:
09:13
ADDRESS: Corning Optical RECEIVED DATE:
8/18/2015
P.O. Box 489
RECEIVED TIME:
10:21
Hickory, NC 28603-0489
REPORTED:
9/17/2015
ANALYSIS
Lead
TSS
Copper
Zinc
Oil & Grease
RESULTS
<0.003
5.2
<0.002
0.077
<5.6
ANALYSIS
UNITS
mg/L
mg/L
mg/L
mg/L
mg/L
DATE
9l9115
8120115
9I1115
8/28/15
8/21 /15
ANALYST
jrg
idg
LOG ID: 1508-242 REPORTED BY: NC CERTIFIED LAB # 50
fl� *
Tony Gragg, Lab Supervisor

RESEARCh & ANAtyTICA1
LAbORATORIESF INC.
For: Water Tech tabs, Inc.
P.O. Box 1056
Granite Falls, NC 28630
Attn: Joe Gragg
Report of Analysis
9/11 /2015
• kills IIIt#fg*
tr
. W ; d � •. ������JJJJJJ s
=a`q NC #34 z N
NC #37701
s �
CilerA,Sample ID: Corning Lab Sample ID: 8160-01
Site: ate, Tech Labs Collection Da 2015 10:30
Parameter esult Rep Limit Anal st Analysis Date/Time
Copper, Total SM 3113 B-2004 146 mg/L 0.002 AA 9/1/2015
Lead, Total GSM 3113 B-2004
Zinc, Tom EPA 200.7
<0.003 mg/L -'-0 "'12015
0.243 mg/L 0.01
Client Sample ID: Corning 001 Lab Sample ID: 8160-02
Site: Water Tech Labs Collection Date: 8/18/2015 9:01
Parameter Method Result Units Ren Limit Analyst Analysis Date/Time
Copper, Total SM 3113 B-2004 0.006 mg/L 0.002 AA 9/112015
Lead, Total SM 3113 B-2004 <0.003 mg/L 0.003 AA 9/912015
Zinc, Total EPA 200.7 0.136 mg1L 0.01 AA 8/2812015
Client Sample ID: Corning 002 Lab Sample ID: 8160-03
Site: Water Tech Labs Collection Date: 8/18/2015 8:53
Parameter Method Result Units Rep Limit Analyst Analysis Date/Time
Copper, Total SM 3113 B-2004 0.018 mg1L 0.002 AA 9/1/2015
Lead, Total SM 3113 B-2004 0.004 mg/L 0.003 AA 9/9/2015
Zinc, Total EPA 200.7 0.762 mg/L 0.01 AA 8/28/2015
Client Sample ID: Corning 003 Lab Sample ID: 8160-04
Site: Water Tech Labs Collection Date: 8/18/2015 8:55
Parameter Method Result nits Rep -Limit Analyst Analysis Dateaime
Copper, Total SM 3113 B-2004 0.007 mg/L 0.002 AA 9/1/2015
D.O. Box 473 106 Short Street Kernersville, North Carolina 27284 Tel: [phone] Fax: [phone] www.randalabs.com Page 1
aE coa basic vld

RESEARCH & ANA[yTICA[ Report of Analysis
LA ORATORIESF INC. 9/11/2015
Client Sample ID: Lab Sample ID:
Site: Collection Date: 8:55
Parameter Method Result Units Re�Llmit Ana! st Analysis DatelTime
Lead, Total SM 3113 B-2004 <0.003 mg/L 0.003 AA 9/9/2015
Zinc, Total EPA 200.7 0.405 mg/L 0.01 AA 8/2812015
Client Sample ID: Corning 005 Lab Sample ID: 8160-05
Site: Water Tech Labs Collection Date: 8/18/2015 9:13
Parameter Method Result Units Rea Limit Analyst Analysis DatelTime
Copper, Total SM 3113 B-2004 <0.002 mg/L 0.002 AA 9/1/2015
Lead, Total SM 3113 B-2004 <0.003 mg/L 0.003 AA 9/9/2015
Zinc, Total EPA 200.7 0.077 mg/L 0.01 AA 8/28/2015
NA = not analyzed
P.O. Box 473 106 Short Street Kemersville, North Carolina 27284 Tel: [phone] Fax: [phone] www.randalabs.com Page 2
ral coa basic 0d

I . . - C 'r
Wi� i Ar- ff Er 1, Ri)- T � En j - -, 1, Rr- I LL - A � - BSS, I a c �
5 Pinewood Plaza Drive - P.O. Box 1056
Granite Falls, NC 28630
Phone [phone] -- Fax [phone]
CLIENT: Corning Cable Systems-TC Pit PHONE NUMBER: 828-327-5000
c/o Steve Street TYPE SAMPLE: Stormwater
P.O Box 489 No. LOCATIONS: 4
Hickory, NC 28603-0489 SAMPLER NAME:,S�ecf-
Sample Collection
Information
TYPE
CONTAINERS
ANALYSIS REQUIRED
Sample Location
FacilityName
DATE
TIME
TEMP. °C
Grab/
Composite
No
Plastic/
Glass
001 Dischar a
g
Y101 j
Y e 1
Grab
3
Plastic/
Glass
TSS, Oil & Gr., Lead, Co er, Zinc
pp
Discharge 002
41g,lzp
a
Grab
3
PlasticGlass/
TSS, Oil & Gr., Lead, Copper, Zinc
Discharge 003
-
40,
K.S5
Grab
3
plastic/
Glass
TSS, Oil & Gr., Lead, Copper, Zinc
Discharge 005
i�j�g�4a
Q"13
Grab
3
GlasPlastis/
TSS, Oil & Gr., Lead, Copper, Zinc
eli quis d
D t
Time:
Recieved By;
Date:
Time:
Re inqt4ished,13w
C/i/� SGJ�I
Date:
?�'I�-► r
Time:
1 a
Receivey
�C-18_j
Date:
Time:
I `�
r I
PRESERVATION:
[J-C,6­oI 40C
[. 412-SO4
[] NaOH
(4 4iWO3
I1 Dechlornating Agent
[ J Other
SAMPLE TEMP. @ LAB (°C)-Ll-a
Chlorine Residual mg/I
u
NC CERTIFIED LAB # 50

Semi-annual Stormwater Discharge Monitoring Report
for North Carolina Division of Water Quality General Permit No. NCG030000
Date submitted: 08/14/201S
CERTIFICATE OF COVERAGE NO. NCG030000
FACILITY NAME: Hickory Manufacturing and Technology Center
COUNTY: Catawba
PERSON COLLECTING SAMPLES: Steve Street
LABORATORY: Water Tech Labs Lab Cert. # 50
Comments on sample collection or analysis:
Part A: Stormwater Benchmarks and Monitoring Results
SAMPLE COLLECTION YEAR: 2015
SAMPLE PERIOD ❑ Jan -June ❑ July -Dec
or ® Monthly'. AuP
DISCHARGING TO CLASS ❑ORW ❑HQW ❑Trout ❑PNA
❑Zero -flow [-]Water Supply ❑SA
[]Other
PLEASE REMEMBER TO SIGN ON PAGES 2 AND/OR 3 4
❑ No discharge this period:
Date Sample
24-hour rainfall
PH,
Non -Polar O&G/
Total Toxic
Outfall No.
Collected'
amount,
Total Suspended Solids
Standard units
Copper
Lead
Zinc
Total Petroleum
Organics
(mo/dd/yr)
Inches
Hydrocarbons
Benchmarks ===>
-
-
100 mg/L or 50 mg/L
6.0 -- 9.0
0.007 mg/L
0.03 mg/L
0.067 mg/L
15 mg/L
1 mg/L
1
08/18/15
.3"
7.3 mg/I
6.59
.006 mg/I
<.003 mg/I
.136 mg/I
<5.6 mg/I
N/A
2
08/18/15
.3"
21.3 mg/I
6.45
.018 mg/I
.004 mg/I
.762 mg/I
<5.6 mg/I
N/A
3
08/18/15
.3"
7.0 mg/I
6.18
.007 mg/I
<.G03 mg/I
.405 mg/l
<5.6 mg/I
N/A
5
—08/18/15
.3"
5.2_mg/I
7..08
<.002_mgL?
5.003 mg/1._„
.077 mg/I
1 <5.6 mg/I
N/A
1 Monthly sampling (instead of semi-annual) must begin with the second consecutive benchmark exceedance for the same parameter at the same outfall.
z For sampling periods with no discharge at any single outfall, you must still submit this discharge monitoring report with a checkmark here.
3 The total precipitation must be recorded using data from an on -site rain gauge. Unattended sites may be eligible for a waiver of the rain gauge requirement.
° See General Permit, Table 3 identifying the especially sensitive receiving water classifications where the more protective benchmark applies.
5 Total Toxic Organics sampling is applicable only for those facilities which perform metal finishing operations, manufacture semiconductors, manufacture
electronic crystals, or manufacture cathode ray tubes. For purposes of this permit the definition of Total Toxic Organics is that definition contained in the EPA
Effluent Guidelines for the facility subject to the requirement to sample (for metal finishing use the definition as found in 40 CFR 433.11; for semiconductor
manufacture use the definition as found in 40 CFR 469.12; for electronic crystal manufacture use the definition as found in 40 CFR 469.22; and for cathode ray
tube manufacture use the definition found in 40 CFR 469.31).
m 2015 Coming Incorporated. All Rights Reserved.
Permit Date: 11/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 1 of 3

Facilities that incorporate a solvent management plan into the 5tormwater Pollution Prevention Plan may so certify, and the requirement for TTO monitoring
may be waived. The solvent management plan shall include a list of the total toxic organic compounds used and the other elements listed in the General
Permit. For those facilities electing to employ the TTO monitoring waiver, the discharger shall sign the following certification statement.
"Based upon my inquiry of the person or persons directly responsible for managing compliance with the permit monitoring requirement for total toxic organics
(TTO), I certify that to the best of my knowledge and belief, no dumping of concentrated toxic organics into the stormwater or areas which are exposed to rainfall or
stormwater runoff has occurred since filing the last discharge monitoring report. I further certify that this facility is implementing the all the provisions of the
solvent management plan included in the 5tormwater Pollution Prevention Plan."
N/A
Name (Print name)
WA
Title (Print title)
NA
(Signature)
(Date)
Note: Results must be reported in numerical format. Do not report Below Detection Limit, BDL, <PQL, Non -detect, ND, or other similar non -numerical
format. When results are below the applicable limits, they must be reported in the format, "<XX mUL", where XX is the numerical value of the detection
limit, reporting limit, etc. in mg/L.
Note: if you report a sample value In excess of the benchmark, you must implement Tier I, Tier 2, or Tier 3 responses. See General Permit text.
Part B: Vehicle Maintenance Area Monitoring Results: only for facilities averaging > 55 gal of new oil per month.
❑ No discharge this period?2
Outfa}I Na.
Date sample
Collected'
(mo/dd/yr)
24-hour rainfall
amount,
Inches3
Non -polar O&G/TPH by
EPA 1664 (SGT-HEM)
Total Suspended Solids
pH
Benchmarks
15 mg/L
100 mg/L or 50 mg/L*
6.0 — 9.0 SU
N/A
N/A
N/A
N/A
N/A
N/A
© 2015 Coming Incorporated_ All Rights Reserved.
Permit Date: 11/1/2012-10/31/2017 5WU-245, last revised 10/25/2012
Page 2 of 3

Footnotes from Part A also apply to this Part B
* See General Permit text, Table 5, identifying the especially sensitive receiving water classifications where the more protective benchmark applies.
Note: if you report a sample value in excess of the benchmark, you must implement rer 1, Tier 2, or Tier 3 responses. See General Permit text.
FOR PART A AND PART B MONITORING RESULTS:
• A BENCHMARK EXCEEDANCE TRIGGERS TIER 1 REQUIREMENTS. SEE PERMIT PART it SECTION B.
• 2 EXCEEDANCES IN A ROW FOR THE SAME PARAMETER AT THE SAME OUTFALL TRIGGER TIER 2 REQUIREMENTS. SEE PERMIT PART II SECTION B.
+ TIER 3: HAS YOUR FACILITY HAD 4 OR MORE BENCHMARK EXCEEDENCES FOR THE SAME PARAMETER AT ANYONE OUTFALL? YES ®NO❑
IF YES, HAVE YOU CONTACTED THE DWQ REGIONAL OFFICE? YES® NO ❑
REGIONAL OFFICE CONTACT NAME: Several discussions and correspondence held with Samar Bou-Ghazale.
Mail an oriainal and one tope of this DMit, indudlna ail "No Discharge" reports, within 30 days of receipt of the lab results (or at end of monitoring period
in the rase of "'No Discharae"reports) to:
Division of Water Quality
Attn: DWQ Central Files
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
YOU MUST SIGN THIS CERTIFICATION FOR ANY INFORMATION REPORTED:
"I certify, under penalty of law, that this document and all attachments were prepared under my direction or supervision in accordance with a system designed to
assure that qualified personnel properly gather and evaluate the information submitted. Based on my inquiry of the person or persons who manage the system, or
those persons directly -responsible for -gathering -the -information, -the -information -submitted -is, -to -the -best of-my-knowledge-and-belief,_true,-accurate,.and-complete
am aware that there are significant penalties for submitting false information, including the possibility of fines and imprisonment for knowing violations."
(Signature of Permittee) (Date)
© 2015 Corning Incorporated. All Rights Reserved.
Permit Date: 11/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 3 of 3

CORNING
September 251", 2015
Steve Street Hickory Manufacturing and t 828-901-6695
Sr EH5 Coordinator Technology Center f 828-901-5665
PO Box 489 [e-mail]
Hickory, NC 28603 www.r-ofning.com
Division of Energy, Mineral, and Land Resources
Attn: DWQ Central Files
1612 Mail Service Center
Raleigh, North Carolina 27699-1612
Dear Sir/Madam:
Please find enclosed an original and one (1) copy of the Stormwater Discharge Monitoring
Report for Corning Optical Communications, LLC --- Hickory Manufacturing and Technology
Center (HMTC) located in Hickory, Catawba County, North Carolina. The stormwater
samples were collected on 08/18/2015 for all permitted outfalls and represent the monthly
sample as specified in the Tier II requirements of HMTC's stormwater permit.
The results are mixed and reflect HMTC to be outside the benchmark value for the following
parameters:
• Copper — Stormwater Outfall 2
• Zinc -- Stormwater Outfall 1, 2, 3, and 5
Additional attachments include the Laboratory Analytical Report, Chain -of -Custody, and
Qualitative Monitoring Report. Please contact me if you have any questions at 828-901-6695.
Sincerely,
ECEA/ED
Stephen L Street
OCT
Senior Environmental, Health and Safety Coordinator
0 7 2o15
attachments
DENR- 4Ai
ST�ORMJ'VV ' '�J QUA ITy
R 1'c;�i,1T7li�JC
@ 2015 Corning Incorporated. All Rights Reserved.

r
Semi-annual Stormwater Discharge Monitoring Report
for North Carolina Division of Water Quality General Permit No. NCG030000
D�5_ ate submitted. 08/14/2015
CERTIFICATE OF COVERAGE NCI CG 30000 SAMPLE COLLECTION YEAR: 2015
FACILITY NAME: Hickory Manufacturing and Technology Center \�O SAMPLE PERIOD ❑ Jan -June ❑ July -Dec
COUNTY: Catawba �" or ®Monthly' —Sept
PERSON COLLECTING SAMPLES: Steve Street cl `;�� DISCHARGING TO CLASS ❑ORW ❑HQW ❑Trout
LABORATORY: Water Tech Labs Lab Cert. # 50
Comments on sample collection or analysis:
Part A: Stormwater Benchmarks and Monitoring Results
❑zero -flow ❑Water Supply
Other
S�O�M�1A PLEASE REMEMBER TO SIGN ON PAGES 2 AND/OR 3 4
[]Other
❑ No discharge this period:'
❑PNA�
[:]SA
Date Sample
24-hour rainfall
pH,
Non -Polar O&G/Taial
Toxic
Outfall No.
Collected'
amount,
Total Suspended Solids
Standard units
Copper
Lead
Zinc
Total Petroleum
Organics5
(mo/dd/yr)
Inches3
4
Hydrocarbons
Benchmarks =__>
-
-
100 mg/L or 50 mg/L,
6.0 — 9.0
0.007 mg/L
0.03 mg/L
0.067 mg/L
15 mg/L
1 mg/L
1
09/09/15
1.2"
36.3 mg/I
6.92
.20 mg/I
.004 mg/I
.825 mg/l
<5.6 mg/I
N/A
2
09/09/15
1.2"
54 mg/I
7.12
.03 mg/I
.009 mg/I
1.15 mg/1
<5.6 mg/I
N/A
3
09/09/15
1.2"
58 mg/I
6.70
.022 mg/I
.007 mg/I
.990 mg/1
<5.6 mg/I
N/A
5
09/09/15
1.2"
1S.2 mg/I
6.74
.004 mg/I
<.003 mg/I
.077 mg/I
<5.6 mg/I
N/A
' Monthly sampling (instead of semi-annual) must begin with the second consecutive benchmark exceedance for the same parameter at the same outfall.
z For sampling periods with no discharge at any single outfall, you must still submit this discharge monitoring report with a checkmark here.
3 The total precipitation must be recorded using data from an on -site rain gauge. Unattended sites may be eligible for a waiver of the rain gauge requirement.
° See General Permit, Table 3 identifying the especially sensitive receiving water classifications where the more protective benchmark applies,
5 Total Toxic Organics sampling is applicable only for those facilities which perform metal finishing operations, manufacture semiconductors, manufacture
electronic crystals, or manufacture cathode ray tubes. For purposes of this permit the definition of Total Toxic Organics is that definition contained in the EPA
Effluent Guidelines for the facility subject to the requirement to sample (for metal finishing use the definition as found in 40 CFR 433.11; for semiconductor
manufacture use the definition as found in 40 CFR 469.12; for electronic crystal manufacture use the definition as found in 40 CFR 469.22; and for cathode ray
tube manufacture use the definition found in 40 CFR 469.31).
© 2015 Corning Incorporated. All Rights Reserved.
Permit Date: 11/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 1 of 3

Facilities that incorporate a solvent management plan into the Stormwater Pollution Prevention Plan may so certify, and the requirement for TTO monitoring
may be waived. The solvent management plan shall include a list of the total toxic organic compounds used and the other elements listed in the General
Permit. For those facilities electing to employ the TTO monitoring waiver, the discharger shall sign the following certification statement:
"Based upon my inquiry of the person or persons directly responsible for managing compliance with the permit monitoring requirement for total toxic organics
(TTO), I certify that to the hest of my knowledge and belief, no dumping of concentrated toxic organics into the stormwater or areas which are exposed to rainfall or
stormwater runoff has occurred since filing the last discharge monitoring report. I further certify that this facility is implementing the all the provisions of the
solvent management plan included in the Stormwater Pollution Prevention Plan."
N/A
Name (Print name)
N/A
Title (Print title)
(Signature)
(Date)
Note. Results must be reported in numerical format. Do not report Below Detection Limit, BDL, <PQL, Non -detect, ND, or other similar non -numerical
format. When results are below the applicable limits, they must_ be reported in the format_, "<XX me/L", where XX is the numerical value of the detection
limit, reporting limit, etc. in mg/L.
Note: If you report a sample value in excess of the benchmark, you must implement Tier 1, 7-ter 2, or Tier 3 responses. See General Permit text.
Part B: Vehicle Maintenance Area Monitoring Results: only for facilities averaging > 55 gal of new oil per month.
❑ No discharge this period?2
Outfall No.
Date Sample
Collected"
(mo/dd/yr)
24-hour rainfall
amount,
Inches
Non -polar O&G/TPH by
EPA 1664 (SGT-HEM)
Total Suspended Solids
pH
Benchmarks ===>
_
-
15 mg/L
100 mg/L or 50 mg/L*
6.0 — 9.0 SU
N/A
N/A
N/A
N/A
N/A
N/A
® 2015 Corning incorporated. All Rights Reserved.
Permit Date: 11/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 2 of 3

Footnotes from Part A also apply to this Part B
* See General Permit text, Table 5, identifying the especially sensitive receiving water classifications where the more protective benchmark applies.
Note: If you report a sample value in excess of the benchmark, you must implement Tier 1, Tier 2, or Tier 3 responses. See General Permit text.
FOR PART A AND PART B MONITORING RESULTS:
• A BENCHMARK EXCEEDANCE TRIGGERS TIER 1 REQUIREMENTS. SEE PERMIT PART If SECTION B.
+ 2 EXCEEDANCES IN A ROW FOR THE SAME PARAMETER AT THE SAME OUTFALL TRIGGER TIER 2 REQUIREMENTS. SEE PERMIT PART II SECTION B.
• TIER 3: HAS YOUR FACILITY HAD 4 OR MORE BENCHMARK EXCEEDENCES FOR THE SAME PARAMETER AT ANY ONE OUTFALL? YES ® NO❑
IF YES, HAVE YOU CONTACTED THE DWQ REGIONAL OFFICE? YES ® NO ❑
REGIONAL OFFICE CONTACT NAME: Several discussions and correspondence held with Samar Bou-Ghazale.
Mail an original and one copy of this DMR, including all "No Discharge" reports, within 30 days of recei t of the lab results for at end of monitoring period
in the case of "No Discharge" reports) to:
Division of Water Quality
Attn: DWQ Central Flies
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
YOU MUST SIGN THIS CERTIFICATION FOR ANY INFORMATION REPORTED:
"I certify, under penalty of law, that this document and all attachments were prepared under my direction or supervision in accordance with a system designed to
assure that qualified personnel property gather and evaluate the information submitted. Based on my inquiry of the person or persons who manage the system, or
those persons directly responsible for gathering the information, the information submitted is, to the best of my knowledge and belief, true, accurate, and complete
am aware that there are significant pe alties for submitting false information, including the possibility of fines and imprisonment for knowing violations."
(Signature of Permlttee)
(Date)
© 2015 Corning Incorporated. All Rights Reserved.
Permit Date: 11/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 3 of 3

CORNING
October 1", 2015
Steve Street
Sr. EHS Coordinator
Division of Energy, Mineral, and Land Resources
Attn: DWQ Central Files
1612 Mail Service Center
Raleigh, North Carolina 27699-1612
Dear Sir/Madam:
Hickory Manufacturing and t 828-901-6695
Technology Center f 828-901-5665
PO Box 489 steve.street@coming corn
Hickory, NC 28603 www.corning.com
Please find enclosed an original and one (1) copy of the Stormwater Discharge Monitoring
Report for Corning Optical Communications, LLC — Hickory Manufacturing and Technology
Center (HMTC) located in Hickory, Catawba County, North Carolina. The stormwater
samples were collected on 09/09/2015 for all permitted outfalls and represent the monthly
sample as specified in the Tier I1 requirements of HMTC's stormwater permit.
The results are mixed and reflect HMTC to be outside the benchmark value for the following
parameters:
• Copper — Stormwater Outfall 1, 2, and 3
• Zinc — Stormwater Outfall 1, 2, 3, and 5
Additional attachments include the Laboratory Analytical Report, Chain -of -Custody, and
Qualitative Monitoring Report. Please contact me if you have any questions at 828-901-6695.
Sincerely,
Stephen L Street
Senior Environmental, Health and Safety Coordinator
attachments
© 2015 Corning Incorporated. All Rights Reserved.

4
NCDENR
Stormwater Discharge Outfall (SDU)
Qualitative Monitoring Report
Forguidance on filling outthisform, please visit: httn://portal.ncdenr.org/web/wq[wsjsu/nodessw#tab-4
Permit No.: N/,Q/Q/ 3/0/Q/Q/Q/Q/ or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and Technology Center - Corning Optical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Steve Street
Date of Inspection: 09 09 1
Time of Inspection: 16:05
Total Event Precipitation (inches): 1.2"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
® Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" frequirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event' is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site out -fall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature I cerUfy that t Leporl�is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
© 2015 Corning Incorporated. All Rights Reserved.
Page 1 of 2
SWU-242, Last modified 10/25/2012

1. Outfall Description:
Outfall No. 0_01 Structure (pipe, ditch, etc.) Pipe
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: Reel storage, solid
waste containers designated for landfill, hazardous waste storage. and R&D building
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Color was light brown.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
1 Q2 3 4 5
5. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
Q1 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
1 Q2 3 4 5
7. Is there any foam in the stormwater discharge? Yes No
8. Is there an oil sheen in the stormwater discharge? Yes NH
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
O 2015 Corning Incorporated. All Rights Reserved.
Page 2 of 2
SWU-242, Last modified 10/25/2012

A14011VA
,aw
NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
Forguidance on filling out this form, please visit. http: //portal.ncdenr. r web/M /ws/sulnpde55w#tab-4
Permit No.: or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and Technology Center - Corning Optical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Steve Street
Date of Inspection: 09109115
Time of Inspection: 16- 0O
Total Event Precipitation (inches): 1.2"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
® Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall j
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
j 0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature, I certify that this report is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
© 2015 Corning Incorporated. Ali Rights Reserved.
Pagel of 2
SWU-242, last modified 10/25/2012

1. Outfall Description:
Outfall No. 0022 Structure (pipe, ditch, etc.) Pi e
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: Solid waste containers
designated for landfill, metal recycling container, and chemical storage area (covered).
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Di char a was a lighl gray,
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odors were present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
1 3 4 5
5. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
Q 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
1 Q 3 4 5
7. Is there any foam in the stormwater discharge? Yes H
8. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
© 2015 Corning Incorporated. All Rights Reserved.
Page 2 of 2
SWU-242, Last modirted 10/25/2012

A4*A.
NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
For guidance on filling out this form, please visit: http//portal.ncdenr.org/web/wg/ws/su/npdessw#tab-4
Permit No.: N// 0/ 3/0/Q/0/0/Q/ or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and Technology Center - Corning Optical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Steve Street
Date of Inspection: 09109115
Time of Inspection: 16:10
Total Event Precipitation (inches): 1.2"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
® Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature, I certify that thi report is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
© 2015 Corning Incorporated. All Rights Reserved.
Pagel of 2
SWU-242, Last modified 10/25/2012

1. Outfall Description:
Outfall No. 003 Structure (pipe, ditch, etc.) Pipe
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: Reel storage, machine
shop, and warehouse.
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Discharge was light gray.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
1 22 3 4 5
5. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
�l 2 3 4 5•
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
1 0 3 4 5
7. Is there any foam in the stormwater discharge? Yes No
B. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
© 2015 Corning Incorporated. All Rights Reserved.
Page 2 of 2
SWU-242, bast modified 10/25/2012

A*wA
NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
Forguidance on filling out this farm, please visit. http://portal.ncdenr.org/weblwq/ws/su/nl2dessw##tab-4
Permit No.: N/C/ 0/ 3/Q/0/0/0/0/ or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and Technology Center - Corning Optical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Steve Street
Date of Inspection: 09 15
Time of Inspection: 16:13
Total Event Precipitation (inches): 1.2"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
® Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureabie storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature, I certify that this feport is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
© 2015 Corning Incorporated. All Rights Reserved.
Page t of 2
SWU-242, last modified 10/25/2012

El
1. Outfall Description:
Outfall No. 004 Structure (pipe, ditch, etc.) Pine
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfali drainage area: No industrial activities
only a warehouse.
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Color was clear.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No --odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
2 3 4 5
S. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
Q1 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
n1 2 3 4 5
7. Is there any foam in the stormwater discharge? Yes H
S. Is there an oil sheen in the stormwater discharge? Yes NH
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
© 2015 Corning Incorporated. All Rights Reserved.
Page 2 of 2
SWU-242, fast modified 10/25/2012

NCDENR
Stormwater Discharge 4utfall (SDO)
Qualitative Monitoring Report
For guidance on filling out this form, please visit. http://aortal.ncdenr.org/web/wq /ws/su/nndessw#tab-4
Permit No.: N/C/Q/ 3/0/0/0/Q/0/ or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and Technology Center - Corning Optical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Steve Street
Date of Inspection: 09109115
Time of Inspection: 1b:25
Total Event Precipitation (inches): 12"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
® Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable. j
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no I
precipitation. i
i
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter i
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office. j
By this sig/ torreee I certify that this report is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
© 2015 Corning Incorporated. All Rights Reserved.
Pagel of 2
SWU-242, Last modified 10/25/2012

1. Outfall Description:
Outfall No. 005 Structure (pipe, ditch, etc.) Pipe
Receiving Stream: lark's Creek
Describe the industrial activities that occur within the outfall drainage area: Manufacture of fiber
optic cable and warehouse.
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Color was clear.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
n1 2 3 4 5
5. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
Q1 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
0 2 3 4 5
7. is there any foam in the stormwater discharge? Yes No
8. is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
O 2015 Corning Incorporated. All Rights Reserved.
Page 2 of 2
SWU-242, Last modified 10/2s/2012

• im rE irECH LAA1.5.In c.
POST OFFICE BOX 1056 • #5 PINEWOOD PLAZA DR.
GRANITE FALLS, NORTH CAROLINA 28630
[phone]
SAMPLE: Corning Optical (001) COLLECTION DATE: 9/9/2015
PERMIT #: COLLECTION TIME: 16:05
ADDRESS: Corning Optical RECEIVED DATE: 9/10/2015
P O. Box 489 RECEIVED TIME: 10:09
Hickory, NC 28603-0489
REPORTED: 9/24/2015
i
--- ---- ---
--ANALYSIS
ANALYSIS
RESULTS
UNITS
DATE ANALYST
Lead
0.004
mg/L
9/15/15
TSS
36.3
mglL
9/11115 jrg
Copper
0.020
mglL
9116I15
Zinc
0.825
mglL
9/16/15
Oil & Grease
-
<5.6
_
mglL
9111115 idg
i
1
LOG ID: 1509-181 REPORTED BY: NC CERTIFIED LAB # 50
fv� *
Tony Gragg, Lab Supervisor

1dRrER6TECH LR85.m..
POST OFFICE BOX 1056 • 05 PINEWOOD PLAZA DR.
GRANITE FALLS, NORTH CAROLINA 28630
[phone]
SAMPLE: Corning Optical (002) COLLECTION DATE: 9/9/2015
PERMIT #: COLLECTION TIME: 16:08
ADDRESS: Corning Optical RECEIVED DATE. 9/10/2015
P.O. Box 489 RECEIVED TIME: 10:09
Hickory, NC 28603-0489
REPORTED: 9/24/2015
ANALYSIS
ANALYSIS
RESULTS
UNITS
DATE ANALYST
Lead
0.009
mg/L
9115115
TSS
54.0
mg/L
9111115 irg
Copper
0.030
mg/L
9/16/15
Zinc
1.15
mg/L
9/16115
Oil & Grease
<5.6
mg/L
911 V15 jdg
LOG ID: 1509-182 REPORTED BY:: NC CERTIFIED LAB # 50
1pl�
Tony Gragg, Lab Supervisor

1dRrER6rrCH L1785 c.
POST OFFICE BOX 1056 • #5 PINEWOOD PLAZA DR.
GRANfTE FALLS, NORTH CAROLINA 28630
[phone]
SAMPLE: Corning Optical (003) COLLECTION DATE: 9/9/2015
PERMIT #: COLLECTION TIME: 16:10
ADDRESS: Corning Optical RECEIVED DATE: 9/10/2015
P.O. Box 489 RECEIVED TIME: 10:09
Hickory, NC 28603-0489
REPORTED: 9/24/2015
---__----------------
E,
----
ANALYSIS
�---- -- -- - --- -- ---- _ -- __
ANALYSIS
RESULTS
UNITS
DATE ANALYST
Lead
0.007
mg/L
9115/15
TSS
58.0
mg/L
9111/15 jrg
Copper
0.022
mg1L
9116/15
Zinc
0.990
mg/L
9116/15
Oil & Grease
<5.6
mg/L
9111115 jdg
LOG ID: 1509-183 REPORTED BY: NC CERTIFIED LAB # 50
fl� p" d i
Tony Gragg, Lab Supervisor

RESEARCh & ANA1yTICA1 Report of Analysis
LA ORATORIES? INC. 9/17/2015
g`
For: Water Tech Labs, Inc.
•.•��Q'..•••C•••,��i�
P.O. Box 1056�r3;:a�`t„o
Granite Falls, NC 28630
: Cr i Nca3a 0.
z•-
Attn: Joe Gragg
is Nca377ai f
Client Sample ID: Corning-001
Lab Sample ID:
8925-01
Site: Water Tech Labs
Collection Date:
9/9/2015 16:05
Parameter Method
Result
UnLits
Rep Limit Analyst Analysis DatelTime
Copper, Total SM 3113 B-2004
0.020
mg/L
0.002
AA 9/16/2015
Lead, Total SM 3113 B-2004
0.004
rng/L
0.003
AA 9/15/2015
Zinc, Total EPA 200.7
0.825
mg/L
0.01
AA 9/16/2015
Client Sample ID: Corning-002
Lab Sample ID:
8925-02
Site- Water Tech Labs
Collection Date:
9/9/2015 16:08
Parameter Method
Result
Units
Rep Limit Analyst Analysis Date/Time
Copper, Total SM 3113 B-2004
0.030
mg/L
0.002
AA 9/16/2015
Lead, Total SM 3113 B-2004
0.009
mg/L
0.003
AA 9/15/2015
Zinc, Total EPA 200.7
1.15
mg1L
0.01
AA 9/16/2015
Client Sample ID: Corning-003 Lab Sample ID: 8925-03
Site: Water Tech Labs Collection Date: 9/9/2015 16:10
Parameter "~ -Method Result' Units Rep Limit Analyst Analysis Daterrime
Copper, Total SM 3113 B-2004 0.022 mg/L 0.002 AA 9/16/2015
Lead, Total SM 3113 B-2004 0.007 mg/L 0.003 AA 9/15/2015
Zinc, Total EPA 200.7 0.990 mg/L 0.01 AA 9/16/2015
Client Sample ID: Corning-005 Lab Sample ID: 8925-04
Site: Water Tech Labs Collection Date: 9/9/2015 16:25
Parameter Method Result , nits Rep Limit Analyst Analysis DatelTime
Copper, Total SM 3113 B-2004 0.004 mg/L 0.002 AA 9/16/2015
P.O. Box 473 106 Short Street Kernersville, North Carolina 27284 Tel: [phone] Fax: [phone] www.randaiabs.com Page 1
rai coa basic vld

RESEARCh & ANA1yTICA1 Report of Analysis
LA ORATORIES, INC. 9/17/2015
Client Sample ID: Lab Sample ID:
Site: Collection Date: 16:25
Parameter Method Result Units Rep Limit Analyst Analysis DatelTime
Lead, Total SM 3113 B-2004 <0.003 mg1L 0.003 AA 9/15/2015
Zinc, Total EPA 200.7 0.077 mg/L 0.01 AA 9/16/2015
NA = not analyzed
P.O. Box 473 106 Short Street Kernersvilte, North Carotina 27284 Tel; 336-996-2841 Fax: [phone] www.randalabs.com Page 2
ra! coa basic vid

W
Xff' r l`Rj1- r i� i I LL AkBS', i11C..,J
5 Pinewood Plaza Drive P.O. Box 1056
Granite Falls, NC 28630
Phone [phone] — Fax [phone]
CLIENT: Corning Cable Systems-TC Pit PHONE NUMBER: 828-327-5000
c/o Steve Street
P.O Box 489
Hickory, NC 28603-0489
TYPE SAMPLE: Stormwater
No. LOCATIONS: 4
SAMPLER NAME: 'S ,S f4?6
Sample Collection
Information
TYPE
CONTAINERS
ANALYSIS REQUIRED
Sample Location
FacilityName
DATE
TIME
TEMP. °C
Grab/
Composite
No
Plastic/
Glass
Discharge 001
71`ilJ�
'CD10
Grab
3
PlasGlass/
TSS, Oil & Gr., Lead, Copper, Zinc
Discharge 002
�fbS
��; p
Grab
3
PlasGlass/
TSS, Oil & Gr., Lead, Copper, Zinc
Discharge 003
9
,,/
C%I 15
�G, %t�
Grab
3
Plastic/
Glass
TSS, Oil & Gr., Lead, Copper, Zinc
pp
Discharge 005
Grab
3
Plastic/
Glass
TSS, Oil & Gr., Lead, Copper, Zinc
Relinquished B
Date:
Time:
i� 'U 9�
sieve y;
Date:
Time:
Reli quished By:
Date:
Time:
Re ivB
e.
Time:
PRESERVATION:
j 4°CC
J NaOH
03
(J Dechlornating Agent
I1 Other
SAMPLE TEMP. @ LAB (°C)
Chlorine Residual l mgll
IBC CERTIFIED LAB # 50

Semi-annual Stormwater Discharpte Monitoring Report
for North Carolina Division of Water Quality General Permit No. NCG030000
Date submitted: 08/14/2015
CERTIFICATE OF COVERAGE NO. NCG030000
FACILITY NAME: Hickoy Manufacturing and Technology Center
COUNTY: Catawba
PERSON COLLECTING SAMPLES: Steve Street
LABORATORY: Water Tech Labs Lab Cert. # 50
Comments on sample collection or analysis:
Part A: Stormwater Benchmarks and Monitoring Results
SAMPLE COLLECTION YEAR: 2015
SAMPLE PERIOD ❑ Jan -June ❑ July -Dec
or R Monthly' — Seut
DISCHARGING TO CLASS ❑ORW ❑HQW [—]Trout ❑PNA
❑zero -flow ❑Water Supply ❑SA
[]Other
PLEASE REMEMBER TO SIGN ON PAGES 2 AND/OR 3 4
❑ No discharge this period?2
Date Sample
24-hour rainfall
pH,
Non -Polar O&G/Total
Toxic
Outfali No.
Collected'
amount,
Total Suspended Solids
Standard units
Copper
Lead
Zinc
Total Petroleum
Organicss
(mo/dd/yr)
Inches3
Hydrocarbons
Benchmarks
-
-
100 mg/L or 50 mg/L
6.0 — 9.0
0.007 mg/L
0.03 mg/L
0.067 mg/L
15 mg/L
1 mg/L
1
09/09/15
1.2"
36.3 mg/I
6.92
.20 mg/1
.004 mg/I
.825 mg/I
<5.6 mg/I
N/A
2
09/09/15
1.2"
54 mg/I
7.12
.03 mg/1
.009 mg/I
1.15 mg/I
<5.6 mg/1
N/A
3
09/09/15
1.2"
58 mg/I
6.70
.022 mg/I
.007 mg/I
.990 mg/I
<5.6 mg/1
N/A
5
09/09/15
T 1.2"
15.I mg/1
1 6.74
.004 mg/I
<.003 mg/I
.077 mg/I
<5.6 mg/I
I N/A
1 Monthly sampling (instead of semi-annual) must begin with the second consecutive benchmark exceedance for the same parameter at the same outfall.
Z For sampling periods with no discharge at any single outfall, you must still submit this discharge monitoring report with a checkmark here.
3The total precipitation must be recorded using data from an on -site rain gauge. Unattended sites may be eligible for a waiver of the rain gauge requirement.
See General Permit, Table 3 identifying the especially sensitive receiving water classifications where the more protective benchmark applies.
5 Total Toxic Organics sampling is applicable only for those facilities which perform metal finishing operations, manufacture semiconductors, manufacture
electronic crystals, or manufacture cathode ray tubes. For purposes of this permit the definition of Total Toxic Organics is that definition contained in the EPA
Effluent Guidelines for the facility subject to the requirement to sample (for metal finishing use the definition as found in 40 CFR 433.11; for semiconductor
manufacture use the definition as found in 40 CFR 469.12; for electronic crystal manufacture use the definition as found in 40 CFR 469.22; and for cathode ray
tube manufacture use the definition found in 40 CFR 469.31).
© 2015 Corning Incorporated. All Rights Reserved.
Permit Date: 11/1/2012-10/31/2017 5WU-245, last revised 10/25/2012
Page 1 of 3

Facilities that incorporate a solvent management plan into the Stormwater Pollution Prevention Plan may so certify, and the requirement for TTO monitoring
may be waived. The solvent management plan shall include a list of the total toxic organic compounds used and the other elements listed in the General
Permit. For those facilities electing to employ the TTO monitoring waiver, the discharger shall sign the following certification statement:
"Based upon my inquiry of the person or persons directly responsible for managing compliance with the permit monitoring requirement for total toxic organics
(TTO), I certify that to the best of my knowledge and belief, no dumping of concentrated toxic organics into the stormwater or areas which are exposed to rainfall or
stormwater runoff has occurred since filing the last discharge monitoring report. I further certify that this facility is implementing the all the provisions of the
solvent management plan included in the Stormwater Pollution Prevention Plan."
N/A
Name (Print name)
N/A
Title -(Print -title)
N/A
(Signature)
(Date)
Note: Results must be reported in numerical format. Do not report Below Detection Limit, BDL, <PQL, Non -detect, ND, or other similar non -numerical
format. When results are below the applicable limits, they must be reported in the format. "<Xx me L', where XX is the numerical value of the detection
limit, reporting limit, etc. in mg/L.
Note: If you report a sample value in excess of the benchmark, you must implement Tier 1, Tier 2, or Tier 3 responses. See General Permit text.
Part B: Vehicle Maintenance Area Monitoring Results: only for facilities averaging > 55 gal of new oil per month.
❑ No discharge this period?Z
Out#all No.
Date Sample
Collected'
(mo/dd/yr)
24-hour rainfall
amount,
Inches3
Non -polar O&G/TPH by
EPA 1664 (SGT-HEM)
Total Suspended Solids
pH
Benchmarks =_=>
_
-
15 mg/L
100 mg/L or 50 mg/L*
6.0 — 9.0 SU
N/A
N/A
N/A
N/A
N/A
N/A
© 2015 Corning Incorporated. All Rights Reserved.
Permit Date: 11/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 2 of 3

Footnotes from Part A also apply to this Part B
" See General Permit text, Table 5, identifying the especially sensitive receiving water classifications where the more protective benchmark applies.
Note: if you report a sample value in excess of the benchmark, you must implement Tier 1, Tier 2, or Tier 3 responses. See General Permit text.
FOR PART A AND PART B MONITORING RESULTS:
+ A BENCHMARK EXCEEDANCE TRIGGERS TIER 1 REQUIREMENTS, SEE PERMIT PART II SECTION B.
+ 2 EXCEEDANCES IN A ROW FOR THE SAME PARAMETER AT THE SAME OUTFALL TRIGGER TIER 2 REQUIREMENTS. SEE PERMIT PART II SECTION B.
+ TIER 3: HAS YOUR FACILITY HAD 4 OR MORE BENCHMARK EXCEEDENCES FOR THE SAME PARAMETER AT ANYONE OUTFALL? YES ® NO❑
IF YES, HAVE YOU CONTACTED THE DWQ REGIONAL OFFICE? YES® NO ❑
REGIONAL OFFICE CONTACT NAME: Several discussions and correspondence held with Samar Bou-Ghazale.
Mail
an original and one copy of this DMR, including all "No Discharge" reports, within 30 days of receipt of the lab results for at end of monitoring period
the case of"No Discharge" reports] to:
Division of Water Quality
Attn: DWQ Central Files
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
YOU MUST SIGN THIS CERTIFICATION FOR ANY INFORMATION REPORTED:
"I certify, under penalty of law, that this document and all attachments were prepared under my direction or supervision in accordance with a system designed to
assure that qualified personnel properly gather and evaluate the information submitted. Based on my inquiry of the person or persons who manage the system, or
those persons directly responsible for gathering the information, the information submitted is, to the best of my knowledge and belief, true, accurate, and complete
am aware that there are significant pe aloes for submitting false information, including the possibility of fines and imprisonment for knowing violations."
(Signature of Permittee)
(Date)
© 2015 Corning Incorporated. All Rights Reserved.
Permit Date: 11/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 3 of 3

Semi-annual Stormwater Discharge Monitoring Report
for North Carolina Division of Water Quality General Permit No. NCG030000
NC�YDate submitted: 08/14/2015
4��
CERTIFICATE OF COVERAGE NO. SAMPLE COLLECTION YEAR: 2015
FACILITY NAME: Hickory Manufacturing and Technology Center
COUNTY: Catawba
PERSON COLLECTING SAMPLES: Steve Street
LABORATORY: Water Tech Labs Lab Cert. it 50
Comments on sample collection or analysis:Click here to enter text.
Part A: Stormwater Benchmarks and Monitoring Results
SAMPLE PERIOD ❑ Jan -June ❑ July -pet
or 8 Monthly' — july
DISCHARGING TO CLASS ❑ORW ❑HQW []Trout ❑PNA
❑Zero -flow [:]watersupply []SA
❑Other
PLEASE REMEMBER TO SIGN ON PAGES 2 AND/OR 3 4
❑ No discharge this period?'
F"
Date Sample
24-hour rainfall
pH,
Non -Polar O&G/
Total Toxic
Outfall No.
Collected'
amount,
Total Suspended Solids
Standard units
Copper
Lead
Zinc
Total Petroleum
Organics"
(mo/dd/yr)
Inches3
Hydrocarbons
Benchmarks
-
-
200 mg/L or 50 mg/L
6.0 — 9.0
0.007 mg/L
0.03 mg/L
0.067 mg/L
15 mg/L
1 mg/L
1
07/24/15
.25"
110 mg/I
6.26
.022 mg/l
.016 mg/I
1,04 mg/I
<5.6 mg/I
N/A
2
07/24/15
.2S"
36 mg/I
7.46
.023 mg/I
.007 mg/I
.729 mg/I
<5.6 mg/I
N/A
3
07/24/15
.25"
52.9 mg/I
7.35
.024 mg/I
.009 mg/I
.918 mg/I
<5.6 mg/I
N/A
5
07/27/15
.25"
23.5 mg/I
6.46
.029 mg/I
1 <.003 mg/I
.098 mg/l
<5.6 mg/l
N/A
1 Monthly sampling (instead of semi-annual) must begin with the second consecutive benchmark exceedance for the same parameter at the same outfall.
Z For sampling periods with no discharge at any single outfall, you must still submit this discharge monitoring report with a checkmark here.
3 The total precipitation must be recorded using data from an on -site rain gauge. Unattended sites may be eligible for a waiver of the rain gauge requirement.
4 See General Permit, Table 3 identifying the especially sensitive receiving water classifications where the more protective benchmark applies.
5 Total Toxic Organics sampling is applicable only for those facilities which perform metal finishing operations, manufacture semiconductors, manufacture
electronic crystals, or manufacture cathode ray tubes. For purposes of this permit the definition of Total Toxic Organics is that definition contained in the EPA
Effluent Guidelines for the facility subject to the requitement to sample (for metal finishing use the definition as found in 40 CFR 433.11; for semiconductor
manufacture use the definition as found in 40 CFR 469.12; for electronic crystal manufacture use the definition as found in 40 CFR 469.22; and for cathode ray
tube manufacture use the definition found in 40 CFR 469.31).
© 2015 Corning Incorporated. All Rights Reserved.
Permit Date: 11/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 1 of 3

Facilities that incorporate a solvent management plan into the Stormwater Pollution Prevention Plan may so certify, and the requirement for TTO monitoring
may be waived. The solvent management plan shall include a list of the total toxic organic compounds used and the other elements listed in the General
Permit. For those facilities electing to employ the TTO monitoring waiver, the discharger shall sign the following certification statement:
"Based upon my inquiry of the person or persons directly responsible for managing compliance with the permit monitoring requirement for total toxic organics
(TTO), I certify that to the best of my knowledge and belief, no dumping of concentrated toxic organics into the stormwater or areas which are exposed to rainfall or
stormwater runoff has occurred since filing the last discharge monitoring report. I further certify that this facility is implementing the all the provisions of the
solvent management plan included in the Stormwater Pollution Prevention Plan."
NA
Name (Print name)
N1A
Title (Print title)
N/A
(Signature) (Date)
Note: Results must be reported in numerical format. Do not report Below Detection Limit, BDL, <PQL, Non -detect, ND, or other similar non -numerical
format. When results are below the applicable limits, they must be reported in the format, "<XX mg/L", where XX is the numerical value of the detection
limit, reporting limit, etc. in mg/L.
Note: if you report a sample value in excess of the benchmark, you must implement Tier 1, Tier 2, or Tier 3 responses. See General Permit text.
Part B: Vehicle Maintenance Area Monitoring Results: only for facilities averaging > 55 gal of new oil per month.
❑ No discharge this period?z
Outfall No.
Date Sample
Collected'
(mo/dd/yr)
24-hour rainfall
amount,
lnches3
Non -polar O&G/TPH by
EPA 1664 (SGT-HEM)
Total Suspended Solids
pH
Benchmarks ==_>
-
-
15 mg/L
100 mg/L or 50 mg/L*
6.0 — 9.0 SU
N/A
N/A
N/A
N/A
N/A
N/A
© 2015 Corning Incorporated. All Rights Reserved.
Permit Date: 11/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 2 of 3

Footnotes from Part A also apply to this Part B
* See General Permit text, Table 5, identifying the especially sensitive receiving water classifications where the more protective benchmark applies.
Note: if you report a sample value in excess of the benchmark, you must implement 7-ter 1, Tier 2, or Tier 3 responses. See General Permit text.
FOR PART A AND PART B MONITORING RESULTS:
• A BENCHMARK EXCEEDANCE TRIGGERS TIER 1 REQUIREMENTS. SEE PERMIT PART II SECTION B.
• 2 EXCEEDANCES IN A ROW FOR THE SAME PARAMETER AT THE SAME OUTFALL TRIGGER TIER 2 REQUIREMENTS. SEE PERMIT PART II SECTION B.
• TIER 3: HAS YOUR FACILITY HAD 4 OR MORE BENCHMARK EXCEEDENCES FOR THE SAME PARAMETER AT ANY ONE OUTFALL? YES ® NO❑
IF YES, HAVE YOU CONTACTED THE DWQ REGIONAL OFFICE? YES ® NO ❑
REGIONAL OFFICE CONTACT NAME: Several discussions and correspondence held with Samar Bou-Ghazale.
Mail an original and one cony of this DMR, including all "No Discharge" reports, within 30 days of receipt of the lab results for at end of monitoring period
in the case o "No Discharge" reports) to:
Division of Water Quality
Attn: DWQ Central Files
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
YOU MUST SIGN THIS CERTIFICATION FOR ANY INFORMATION REPORTED:
"I certify, under penalty of law, that this document and all attachments were prepared under my direction or supervision in accordance with a system designed to
assure that qualified personnel properly gather and evaluate the information submitted. Based on my inquiry of the person or persons who manage the system, or
those persons directly responsible for gathering the information, the information submitted is, to the best of my knowledge and belief, true, accurate, and complete
am aware that there are si nificant pen es for submitting false information, including the possibility of fines and imprisonment for knowing violations."
(Signature of Permittee) (Date)
© 2015 Coming Incorporated. All Rights Reserved.
Permit Date: 11/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 3 of 3

URrEROKCH tR®.S.Inc.
POST OFFICE BOX 1056 • #5 PINEWOOD PLAZA DR.
GRANITE FALLS, NORTH CAROLINA 26630
(828)396-,1444
SAMPLE: Corning Optical (001) COLLECTION DATE: 7/14/2015
PERMIT #: COLLECTION TIME: 08:13
ADDRESS: Corning Optical RECEIVED DATE: 7I1412015
P.O. Box 489 RECEIVED TIME: 09:52
Hickory, NC 28603-0489
REPORTED: 8/7/2015
ANALYSIS
ANALYSIS
RESULTS
UNITS
DATE ANALYST
Lead
0.016
mg/L
7120I15
TSS
110
mg1L
7/16/15 jrg
Copper
0.022
mglL
7/22115
Zinc
1.04
mg1L
7/21115
Oil & Grease
<5.6
mglL
7/17115 jdg
LOG ID: 1507-188
REPORTED BY: NC CERTIFIED LAB # 50
fl�
Tony Gragg, Lab Supervisor

(dRTEROKCH LRE.S.Inc.
POST OFFICE BOX 1056 • #5 PINEWOOD PLAZA DR.
GRANITE FALLS, NORTH CAROLINA 28630
[phone]
SAMPLE: Corning Optical (002) COLLECTION DATE: 7/14/2015
PERMIT #: COLLECTION TIME: 08:17
ADDRESS: Corning Optical RECEIVED DATE: 7/14/2015
P.O. Box 489 RECEIVED TIME: 09:52
Hickory, NC 28603-0489
REPORTED: 8/7/2015
r--
ANALYSIS
ANALYSIS
RESULTS
UNITS
DATE ANALYST
Lead
0.007
mglL
7120115
TSS
36.0
mglL
7116/15 jrg
Copper
0.023
mglL
7122115
Zinc
0.729
mglL
7I20115
Oil & Grease
<5.6
mglL
7117/15 jdg
LOG ID: 1507-189
REPORTED BY: NC CERTIFIED LAB # 50
ff� 6
Tony Gragg, Lab Supervisor

mRTER6TECH LRBS.mc.
POST OFFICE BOX 1056 • #5 PINEWOOD PLAZA DR.
GRANITE FALLS. NORTH CAROLINA 28630
[phone]
SAMPLE: Corning Optical (003) COLLECTION DATE: 7/14/2015
PERMIT #: COLLECTION TIME: 08:20
ADDRESS: Corning Optical RECEIVED DATE: 7/14/2015
P.O- Box 489 RECEIVED TIME: 09:52
Hickory, NC 28603-0489
REPORTED: 8/7/2015
I
ANALYSIS
ANALYSIS
RESULTS
UNITS
DATE ANALYST
Lead
0.009
mg1L
7/20/15
TSS
52.9
mg/L
7/16115 irg
Copper
0.024
mg1L
7/22115
Zinc
0.918
mg/L
7/21115
Oil & Grease
<5.6
mg/L
7/17115 jdg
LOG ID: 1507-190 REPORTED BY: NC CERTIFIED LAB # 50
flll�
Tony Gragg, Lab Supervisor

upircRinrcH LRDS.IRc.
POST OFFICE BOX 1056 • #5 PINEWOOD PLAZA DR.
GRANITE FALLS, NORTH CAROLINA 28630
[phone]
SAMPLE: Corning Optical (005) COLLECTION DATE:
7/14/2015
PERMIT ##: COLLECTION TIME:
08:33
ADDRESS: Corning Optical RECEIVED DATE:
7/14/2015
P.O. Box 489
RECEIVED TIME:
09:52
Hickory, NC 28603-0489
REPORTED:
8/7/2015
ANAL YSIS
ANALYSIS
RESULTS
UNITS
DATE
ANALYST
Lead
<0.003
mglL
7I20115
TSS
13.5
mg/L
7I16115
jrg
Copper
0.019
mglL
7122115
Zinc
0.098
mglL
7121/15
Oil 8, Grease
<5.6
mg1L
7l17115
jdg
LOG ID: 1507-191 REPORTED BY: NC CERTIFIED LAB # 50
fo�
Tony Gragg, Lab Supervisor

RESEARCh & ANALyTiCA1
LAbORATORIES, INC.
For: Water Tech Labs, Inc.
P.O. Box 1056
Granite Falls, NC 28630
Attn: Joe Gragg
Report of Analysis
7/31 /2015
k=I11110
40
NC #34 Z
NC #3770I
No
Client Sample ID: Corning -001 Lab Sample ID: 6698-01
Site: Water Tech Labs Collection Date: 7/14/2015 8:13
Parameter Method Result Units Rep Limit Analyst Analysis DatelTime
Copper, Total SM 3113 B-2004 0.022 mg/L 0.002 AA 7/22/2015
Lead, Total SM 3113 B-2004 0.016 mg/L 0.003 AA 7/20/2015
Zinc, Total EPA 200.7 1.04 mg/L 0.01 AA 7/21/2015
Client Sample ID: Corning -002 Lab Sample ID: 6698-02
Site: Water Tech Labs Collection Date: 7/14/2015 8:17
Parameter Method Result Units Rep Limit Analyst Analysis Date(Time
Copper, Total SM 3113 B-2004 0.023 mg/L 0.002 AA 7/22/2015
Lead, Total SM 3113 B-2004 0.007 mg/L 0.003 AA 7/20/2015
Zinc, Total EPA 200.7 0.729 mg/L 0.01 AA 7/21/2015
Client Sample ID: Corning -003 Lab Sample ID: 6698-03
Site: Water Tech Labs Collection Date: 7/14/2015 8:20
Parameter Method Result Units Rep Limit Analys Analysis DatelTime
Copper, Total SM 3113 B-2004 0.024 mg/L 0.002 AA 7/22/2015
Lead, Total SM 3113 B-2004 0.009 mg/L 0.003 AA 7/20/2015
Zinc, Total EPA 200.7 0.918 mg/L 0.01 AA 7/21/2015
Client Sample ID: Corning -005 Lab Sample ID: 6698-04
Site: Water Tech Labs Collection Date: 7/14/2015 8:33
Parameter Method . Result Units Ren Limit Analyst Analysis Datealme
Copper, Total SM 3113°13-2004 0.019 mg/L 0.002 AA 7/22/2015
P.O. Box 473 106 Short Street Kernersville, North Carolina 27284 Tel: [phone] Fax: [phone] www,randalabs.com Page 1
ral coo basic vid

RESEARCh & ANALyTiCA[ Report of Analysis
LA O RATO R I E SF INC. 7/31 /2015
Client Sample ID: Lab Sample ID:
Site: Collection Date: 8:33
Parameter Method Result Units Rep Limit Analyst Analysis DatefTime
Lead, Total 5M 3113 B-2004 <0.003 mg/L 0.003 AA 7/20/2015
Zinc, Total EPA 200.7 0.098 mg1L 0.01 AA 7/21/2015
NA = not analyzed
P.O. Box 473 106 Short Street Kernersville, North Carolina 27284 Tel: [phone] Fax: [phone] www.randalabs.com Page 2
ral coa basic v1d

T- T-CR f 1�
W,\ i A0 ff Erl 1, Ri)- T 1 Eu- j - , r - I LLA B Sj) I ari c.,
5 Pinewood Plaza Drive - P.O. Box 1056
Granite Falls, NC 28630
Phone [phone] - Fax [phone]
CLIENT: Corning Cable Systems-TC Pit PHONE NUMBER: 828-327-5000
c/o Steve Street TYPE SAMPLE: Stormwater
P.O Box 489 No. LOCATIONS: 4
Hickory, NC 28603-0489 SAMPLER NAME:
Sample Collection
Information
TYPE
CONTAINERS
ANALYSIS REQUIRED
Sample Location
FacilityName
DATE
TIME
TEMP. °C
Grab/
Com ositeGlass
No.Plastic/
Discharge 001
%'�`�r�5+�
Grab
3
Plastic/
Glass
TSS, Oil & Gr., Lead, Copper, Zinc
Discharge 002
}} •
f �110
�,17
Grab
3
Plastic/
Glass
TSS, Oil & Gr., Lead, Copper, Zinc
Discharge 003
I
-7 1411.
�.a�
Grab
3
Plastic/
Glass
TSS, Oil & Gr., Lead, Copper, Zinc
Discharge 005
Grab
3
Plastic/
Glass
TSS, Oil & Gr., Lead, Copper, Zinc
Relinquished By:
Date:
?&lf -s-
Time:
, R . S-2
Recieve
cc
Date:
Time:
C)CI 13-
Relin wished By:
Date:
Time:
Recei ed By:
Date:
Time:
PRESERVATION;
iaool 4°C
SO4
0H
�] HNO3
(�echlornating Agent
[] Other
SAMPLE TEMP. @ LAB (°C)- L?
Chlorine Residual mg/1
NC CERTIFIED LAB # 50

A�
NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
For guidance on filling out this form, please visit: httR//portal.ncdenr.org./web/wg/ws/su/npdessw#tab-4
Permit No.: N/C/ 0/0/2/Q/Q/Q/Q/ or Certificate of Coverage No.: N/C/Cj/-1-,/—/—/_ _/—/
Facility Name: Hickoly Manufacturing and T chn logyenter - ruin ti al Communications
County: -Catawba Phone No.: 828-901-6695
Steve Street
Date of Inspection: 07 14 15
Time of Inspection: 8:13 am
Total Event Precipitation (inches):.25"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
® Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
l
iA "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
i
l A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter I
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
I
By this signature I certi that this re is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
© 2015 Corning Incorporated. All Rights Reserved.
Pagel of 2
SWU-242, Last modified 10/25/2012

1. Outfall Description:
Outfall No. 001 Structure (pipe, ditch, etc.) Pipe
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: Reel storage, solid
waste containers designated for landfill, hazardous waste storage, and R&D building
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Color was light gray,
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present_
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
1 2 3 ® 5
5. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
1 Q2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
1 2 3 ® 5
7. Is there any foam in the stormwater discharge? Yes No
8. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious indicators of Stormwater Pollution: None
List and describe: The sample contained a significant amount of gravel dust.
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
© 2015 Corning Incorporated. All Rights Reserved.
Page 2 of 2
SWU-242, Last modified 10/29/2012

4 A
NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
Forguidance on filling out this form, please visit. http;l/portal.ncdenr.org/web/wq/ws/su/npdessw#tab-4
Permit No.: N/C/ (�/ 3/0/0/0/Q/0/ or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and Technology Center - Corning Optical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Steve_Street
Date of Inspection: 07114115
Time of Inspection: 7 am
Total Event Precipitation (inches):.25"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
® Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event' is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signatur , I certify that this report is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
© 2045 Corning Incorporated. All Rights Reserved.
Pagel of 2
SWU-242, Last modified 10/25/2012

1. Outfall Description:
Outfall No. M Structure (pipe, ditch, etc.) Pipe
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: Solid waste containers
designated for landfill, metal recycling container, and chemical storage area (covered).
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Discharge was a very light brown.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odors were present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
1 22 3 4 5
5. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
01 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
1 Q 3 4 5
7. Is there any foam in the stormwater discharge? Yes No
8. Is there an oil sheen in the stormwater discharge? Yes NN
9. Is there evidence of erosion or deposition at the outfall? Yes N�
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
© 2015 Corning Incorporated. All Rights Reserved.
Page 2 of 2
SWU-242, East modified 10/25/2012

AWA
NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
For guidance on filling out this form, please visit. http://portal.ncdenr.org/web/wq/ws/sulnpdessw#tab-4
Permit No.: N/C/Q/ 3/0/Q/Q/Q/0/ or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and Technology Center - Corning Optical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Steve Street
Date of Inspection: 07/14/15
Time of Inspection: 8:20 am
Total Event Precipitation (inches):.25"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
®Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
................... _..........
.._...-...-....-.....-......-......__..--.....-....
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. PIease refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature, I certify that this Feport is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
c0 2015 Corning Incorporated. All Rights Reserved.
Pagel of 2
SWU-242, Last modified 10/25/2012

1. Outfall Description:
Outfall No. 003 Structure (pipe, ditch, etc.) Pike
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: Reel storage, machine
shop, and warehouse.
Z. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Discharge was light brown.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
1 3 4 5
5. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
01 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
1 2 Q3 4 5
7. Is there any foam in the stormwater discharge? Yes N�
B. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe: The sample contained a small amount of gravel dust.
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
© 2015 Corning Incorporated. All Rights Reserved.
Page 2 of 2
SWU-242, Last modified 10/25/2012

A�
NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
For guidance on filling out this form, please visit: ttR//12orta nC nr.Qrg/web/wq/w,s/su/npdessw#tab-4
Permit No.: or Certificate of Coverage No.: N/c/G/_/_/—/_/_/_/
Facility Name: Hickory Manufacturing and Technology Center -- Corning Optical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Steve Street
Date of Inspection: 07 14 15
Time of Inspection: U3 am
Total Event Precipitation (inches):.25"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
Ryes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
E Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
k
k
k
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
i
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature, I certify that this r port is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
© 2015 Corning Incorporated. All Rights Reserved.
Page 1 of 2
SWU-242, Last modified 10/25/2012

1. Outfall Description:
Outfall No. 004 Structure (pipe, ditch, etc.) Pine
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: No industrial activities,
only a warehouse.
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Color was very light brown.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
1 22 3 4 5
5. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
01 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
1 Q 3 4 5
7. Is there any foam in the stormwater discharge? Yes No
8. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
O 2015 Corning Incorporated. All Rights Reserved.
Page 2 of 2
SWU-242, last modified 10/25/2012

A
TA
NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
Forguidance on filling out this form, please visit: http_//portal.ncdonr,org/web/wq/ws/su/npdessw#tab-4
Permit No.: N/0/Q/Q/0/0/0/0/0/ or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and Technology Center -- Corning Optical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Steve Street
Date of Inspection: 7 14 15
Time of Inspection: 8:33 am
Total Event Precipitation (inches):.225"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
® Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a 'representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 01 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signatur I certi that this re rt is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
© 2015 Corning Incorporated. All Rights Reserved.
Page 1 of 2
SWU-242, Last modified 10/25/2012

1. Outfall Description:
Outfall No. 005 Structure (pipe, ditch, etc.) Pipe
Receiving Stream: Clark's _Creek
Describe the industrial activities that occur within the outfall drainage area: Manufacture of fiber
optic cable and warehouse.
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Color was clear.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
0 2 3 4 5
5. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
0 2 3 4 5
7. Is there any foam in the stormwater discharge? Yes No
8. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
O 2015 Corning Incorporated. All Rights Reserved.
Page 2 of 2
SWU-242, Last modified 10/25/2012

CORNING
August 14"', 2015
Steve Street Hickory Manufacturing and t 828-901-6695
Sr. EHS Coordinator Technology Center f 828-901-5665
PO Box 489 [e-mail]
Hickory, NC 28603 www.cornir)g.com
Division of Energy, Mineral, and Land Resources
Attn: DWQ Central Files
1612 Mail Service Center
Raleigh, North Carolina 27699-1612
Dear Sir/Madam-
Please find enclosed an original and one (1) copy of the Stormwater Discharge Monitoring
Report for Corning Optical Communications, LLC — Hickory Manufacturing and Technology
Center (HMTC) located in Hickory, Catawba County, North Carolina. The stormwater
samples were collected on 07/14/2015 for all permitted outfalls and represent the monthly
sample as specified in the Tier 11 requirements of HMTC's stormwater permit.
The results are mixed and reflect HMTC to be outside the benchmark value for the following
parameters:
• Copper — Stormwater Outfall 1, 2, 3, and 5
• Total Suspended Solids — Stormwater Outfall
• Zinc — Stormwater Outfall 1, 2, 3, and 5
Additional attachments include the Laboratory Analytical Report, Chain -of -Custody,
Qualitative Monitoring Report, and the Upstream/Downstream results. Please contact me if
you have any questions at 828-901-6695.
Sincerely,
F ,t '�
Stephen L Street
Senior Environmental, Health and Safety Coordinator
attachments
© 2015 Corning Incorporated. All Rights Reserved.

Semi-annual Stormwater Discharge Monitoring Report RECEIVED
for North Carolina Division of Water Quality General Permit No. NCG030000 JUL 28 2015
y� Date submitted: 07/15/2015
DENR-LAND QUALITY
CERTIFICATE OF COVERAGE NO. NCG030000 SAMPLE COLLECTION YEAR: 2015 STOMvIWATER PERI*TTING
FACILITY NAME: Hickory Manufacturing and Technology Center
COUNTY: Catawba
PERSON COLLECTING SAMPLES: Steve Street
LABORATORY: Water Tech Labs Lab Cert. ## 50
Comments on sample collection or analysis:
Part A: Stormwater Benchmarks and Monitoring Results
SAMPLE PERIOD ❑ Jan -June ❑ July -Dec
or ® Monthlyl — June ,
DISCHARGING TO CLASS ❑ORW ❑HQW ❑Trout ❑PNA r'
[]Zero -flow []Water Supply ❑SA 3"
❑Other cl__03
PLEASE REMEMBER TO SIGN ON PAGES 2 AND/OR 3 4
a
❑ No discharge this period?'
Outfall No.
Date Sample
i
24hour rainfall
Total Suspended Solids
pH,
Copper
Lead
Zinc
Non-Polar O&G/
Total Petroleum
Total Toxic
s
Collected
amount,
Standard units
Hydrocarbons
Organics
(mo/dd/yr)
Inche53
Benchmarks ===>
-
-
100 mg/L or 50 mg/L
6.0 — 9.0
0.007 mg/L
0.03 mg/L
0.067 mg/L
15 mg/L
1 mg/L
1
06/12/15
.12"
95 mg/I
6.64
.025 mg/I
.019 mg/I
1.56 mg/I
<5.6 mg/I
N/A
2
06/12/15
.12"
74 mg/I
7.95
.025 mg/I
.008 mg/I
.675 mg/I
<5.6 mg/I
N/A
3
06/12/15
.12"
65 mg/1
7.71
.Oil mg/I
.006 mg/I
.760 mg/I
<5.6 mg/1
N/A
5
06/22/15
.12"
22 mg/1
1 6.81
.002 mg/1
1 <.003 mg/I
.244 mg/1
<5.6 mg/I
N/A
Monthly sampling (instead of semi-annual) must begin with the second consecutive benchmark exceedance for the same parameter at the same outfall.
2 For sampling periods with no discharge at any single outfall, you must still submit this discharge monitoring report with a checkmark here.
3The total precipitation must be recorded using data from an on -site rain gauge. Unattended sites may be eligible for a waiver of the rain gauge requirement.
4 See General Permit, Table 3 identifying the especially sensitive receiving water classifications where the more protective benchmark applies,
5 Total Toxic Organics sampling is applicable only for those facilities which perform metal finishing operations, manufacture semiconductors, manufacture
electronic crystals, or manufacture cathode ray tubes. For purposes of this permit the definition of Total Toxic Organics is that definition contained in the EPA
Effluent Guidelines for the facility subject to the requirement to sample (for metal finishing use the definition as found in 40 CFR 433.11; for semiconductor
manufacture use the definition as found in 40 CFR 469.12; for electronic crystal manufacture use the definition as found in 40 CFR 469.22; and for cathode ray
tube manufacture use the definition found in 40 CFR 469.31).
© 2015 Corning Incorporated. All Rights Reserved.
Permit Date: 11/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 1 of 3

Facilities that incorporate a solvent management plan into the Stormwater Pollution Prevention Plan may so certify, and the requirement for TTO monitoring
may be waived. The solvent management plan shall include a list of the total toxic organic compounds used and the other elements listed in the General
Permit. For those facilities electing to employ the TTO monitoring waiver, the discharger shall sign the following certification statement:
"Based upon my inquiry of the person or persons directly responsible for managing compliance with the permit monitoring requirement for total toxic organics
(TTO), I certify that to the best of my knowledge and belief, no dumping of concentrated toxic organics into the stormwater or areas which are exposed to rainfall or
Stormwater runoff has occurred since filing the last discharge monitoring report. I further certify that this facility is implementing the all the provisions of the
solvent management plan included in the Stormwater Pollution Prevention Plan."
Name (Print name)
NIA
Title (Print title)
NIA
(Signature)
(Date)
Note: Results must be reported in numerical format. Do not report Below Detection Limit, BDL, <PQL, Non -detect, ND, or other similar non -numerical
format. When results are below the applicable limits, they must be reported in the format. "<XX mgjL", where XX is the numerical value of the detection
limit, reporting limit, etc. in mg/L.
Note: if you report a sample value in excess of the benchmark, you must implement Tier 1, Ter 2, or Tier 3 responses. See General Permit text.
Part B: Vehicle Maintenance Area Monitoring Results: only for facilities averaging > 55 gal of new oil per month.
❑ No discharge this period?2
OutFall No.
Date Sample
Collected'
(mo/dd/yr)
247hour rainfall
amount,
Inches3
Non -polar O&G/TPH by
EPA 1664 (SGT-HEM)
Total Suspended Solids
pH
Benchmarks ===>
_
-
15 mg/L
100 mg/L or 50 mg/L*
6.0 — 9.0 SU
N/A
N/A
N/A
N/A
N/A
N/A
© 2015 Corning Incorporated_ All Rights Reserved.
Permit Date: 11/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 2 of 3

Footnotes from Part A also apply to this Part B
* See General Permit text, Table 5, identifying the especially sensitive receiving water classifications where the more protective benchmark applies.
Note: if you report a sample value in excess of the benchmark, you must implement Tier 1, Tier 2, or Tier 3 responses. See General Permit text.
FOR PART A AND PART B MONITORING RESULTS:
• A BENCHMARK EXCEEDANCE TRIGGERS TIER 1 REQUIREMENTS. SEE PERMIT PART II SECTION B.
• 2 EXCEEDANCES IN A ROW FOR THE SAME PARAMETER AT THE SAME OUTFALL TRIGGER TIER 2 REQUIREMENTS. SEE PERMIT PART it SECTION B.
• TIER 3: HAS YOUR FACILITY HAD 4 OR MORE BENCHMARK EXCEEDENCES FOR THE SAME PARAMETER AT ANYONE OUTFALL? YES ®NO❑
IF YES, HAVE YOU CONTACTED THE DWQ REGIONAL OFFICE? YES® NO ❑
REGIONAL OFFICE CONTACT NAME: Several discussions and correspondence held with Samar Bou-Ghazale.
Mail an original and one copy of this DMR, including all "No Discharge" reports, within 30 do vs of receipt of the lab results or at end of monitoring period
in the case of "No Discharge" reports) to:
Division of Water Quality
Attn: DWQ Central files
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
YOU MUST SIGN THIS CERTIFICATION FOR ANY INFORMATION REPORTED:
"I certify, under penalty of law, that this document and all attachments were prepared under my direction or supervision in accordance with a system designed to
assure that qualified personnel properly gather and evaluate the information submitted. Based on my inquiry of the person or persons who manage the system, or
those persons directly responsible for gathering the information, the information submitted is, to the best of my knowledge and belief, true, accurate, and complete.
am aware that tore are iigniflcar"nalties for submitting false information, including the possibility of fines and imprisonment for knowing violations."
(Signature of Permittee)
712 c��a
(Date)
O 2015 Coming Incorporated. All Rights Reserved.
Permit Date: 11/1/2012-10/31/2017 5WU-245, last revised 10/25/2012
Page 3 of 3

� Irk
� .,
NCDENR
Stormwater Discharge OutfalI (SDO)
Qualitative Monitoring Report
Forguidance on filling out this form, please visit: http: //portal.ncdenr.org/web/wq/ws./su/npdessw#tab-4
Permit No.: N/C/ 0//0/0/Q/0/0/ or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and Technology Center - Corning Optical Communications
County: Catawba Phone No.: 828-901-669.5
Inspector: Steve Street
Date of Inspection: 06112115
Time of Inspection: 3:59 pm
Total Event Precipitation (inches):.12"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
® Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature, I cegify that this report is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
© 2015 Corning Incorporated. All Rights Reserved,
Pagel of Z
SWU-242, East modified 10/25/2012

1. Outfall Description:
Outfall No. 001 Structure (pipe, ditch, etc.) Pine
Receiving Stream: Clark's CrCgk
Describe the industrial activities that occur within the outfall drainage area: Reel storage, solid
waste containers designated for landfill, hazardous waste storage. and R&D building,
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Color was light gray.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
1 2 3� 4 5
5. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
Q 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
1 2 5 4 5
7. Is there any foam in the stormwater discharge? Yes H
8. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
© 2015 Corning Incorporated. All Rights Reserved.
Page 2 of 2
SWU-242, last modified 10/25/2012

A�
.,;- L-A
NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
Forguidance on filling out this form, please visit. httl2; f lnortal.ncden_r_.QrgZweb/wg/wsl5u/nndessw#ltab-4
Permit No.: N/C/ 0/ 3/Q/0/Q/0/0/ or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and Technology Center - Corning Optical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Steve Street
Date of Inspection: 06112115
Time of Inspection: 4:03 pm
Total Event Precipitation (inches):.12"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
®Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
i
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature, I certify that thi�port is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
oO 2015 Corning Incorporated. All Rights Reserved.
Pagel of 2
SWU-242, Last modified 10/25/2012

a
1. Outfall Description:
Outfall No. Q Structure (pipe, ditch, etc.) Pjpe
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: Solid waste containers
designated for landfill, metal recycling container. and chemical_ storage areaCcovered):
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Discharge -was light brown.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odors were present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
1 2 Q3 4 5
S. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
1 Q 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy-
1 2 Q 4 5
7. Is there any foam in the stormwater discharge? Yes No
B. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
© 2015 Corning Incorporated, All Rights Reserved.
Page 2 of 2
SWU-242, bast modified 10/25/2012

AA...�
NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
For guidance on filling out this form, please visit: http://portal.pcdegr.Qrg.Zweb jwq lws/su/`npdessw#tab-4
Permit No.: N/C/Q/Q/4/0/9/Q/0/ or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and Technology Center - Corning Optical Communications
County: Ca-w a Phone No.: 828-9_Q1-6695
Inspector: Steve Street
Date of Inspection: 06112115
Time of Inspection: 4:0� 7 pm
Total Event Precipitation (inches):.12"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
® Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature, I�rtlthat this r� rt is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
© 2015 Corning Incorporated. All Rights Reserved,
Pagel of 2
SWU-242, Last modified 10/25/2012

1. Outfall Description:
Outfall No. 003 Structure (pipe, ditch, etc.) Fine
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: Reel storage, machine
shop, and warehouse.
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Discharge was light brown.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
1 52 3 4 5
S. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
1 25 3 4 5
b. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
1 0 3 4 5
7. Is there any foam in the stormwater discharge? Yes No
8. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: L4one
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
© 2015 Corning Incorporated. All Rights Reserved.
Page 2 of 2
SWU-242, Last modified 10/25/2012

A
n+h
NCDENR
Stormwater Discharge 4utfall (SDQ)
Qualitative Monitoring Report
Forguidance on filling out this form, please visit: http://portal.ncdenr.org/web/wg/`ws/su/npdessw#tab-A
Permit No.: [V// 0/ 3/Q/0/0/Q/0/ or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and Technology Center - Corning Optical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Steve Street
Date of Inspection: 06112115
Time of Inspection: 04:0912m
Total Event Precipitation (inches):.12"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
® Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event' is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature,ycertjtat this reporVis accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
© 2015 Corning Incorporated. All Rights Reserved.
Page 1 of 2
SWU-242, Last modified 10/25/2012

1. Outfall Description:
Outfall No. M Structure (pipe, ditch, etc.) Pipe
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the out -fall drainage area: No indu trial activities.
only a warehouse.
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Color was clear.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
Q 2 3 4 S
5. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
Q 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
1 Q2 3 4 5
7. Is there any foam in the stormwater discharge? Yes N�
B. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
© 2015 Corning Incorporated. All Rights Reserved.
Page 2 of 2
SWU-242, Last modified 10/25/2012

NCDENR
Stormwater Discharge 4utfall (SD4)
Qualitative Monitoring Report
For guidance on filling out this form, please visit: http://aortal.ncdenr,org/web/wq/ws/su/npdessw#tab-4
Permit No.: N/C/ 0/ 3/0/Q/0/0/0/ or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and Technology Center - Corning Optical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Steve Street
Date of Inspection: 06112115
Time of Inspection: 4:15 pm
Total Event Precipitation (inches):.12"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
® Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature,certify at this reportaccurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
© 2015 Corning Incorporated. All Rights Reserved.
Pagel of 2
SWU-242, Last modified 10/25/2012

1. Outfall Description:
Outfall No. 005 Structure (pipe, ditch, etc.) Pine
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: Manufacture of fiber
optic cable and warehouse.
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Color was clear.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
1 Q 3 4 5
S. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
0 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
1 n2 3 4 5
7. Is there any foam in the stormwater discharge? Yes N-o
B. is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
Gist and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
© 2015 Corning Incorporated. All Rights Reserved.
Page 2 of 2
5WU-242, last modified 10/25/2012

7m
ldfil 'ERimCH LR55mc.
POST OFFICE BOx 1056 • #5 PINEWOOD PLAZA DR.
GRANITE FALLS, NORTH CAROLINA 28630
[phone]
SAMPLE: Corning Optical (001) COLLECTION DATE: 6/12/2015
PERMIT #: COLLECTION TIME: 15:59
ADDRESS: Corning Optical RECEIVED DATE: 6/15/2015
P.O. Box 489 RECEIVED TIME: 11:54
Hickory, NC 28603-0489
REPORTED: 7/9/2015
ANAL YSIS
Lead
TSS
Copper
Zinc
Oil & Grease
ANALYSIS
RESULTS
UNITS
0.019
mg/L
95.0
mg/L
0.025
mg/L
1.56
mg/L
<5.6
mg/L
DATE ANALYST
716115
6118/15 irg
6/26/ 15
6/25/15
6/18/15 jdg
�I
LOG ID: 1506-241 REPORTED BY: NC CERTIFIED LAB # 50
ff�
Tony Gragg, Lab Supervisor

uRrmiTFCH LRBSInc.
Y
POST OFFICE 80; 1056 • #5 PINEWOOD PLAZA DR.
GRANFTE FALLS, NORTH CAROLINA 28630
[phone]
SAMPLE., Corning Optical (002) COLLECTION DATE: 6/12/2015
PERMIT #: COLLECTION TIME: 16:03
ADDRESS: Corning Optical RECEIVED DATE: 6/15/2015
P.O. Box 489 RECEIVED TIME: 11:54
Hickory, NC 28603-0489
REPORTED: 7/9/2015
ANALYSIS
RESULTS
UNITS
DATE ANALYST
Lead
0.008
mg/L
7/6/15
TSS
74.0
mg/L
6/18/15 jrg
Copper
0.025
mg/L
6/26/15
Zinc
0.675
mg/L
6125/15
Oil & Grease
<5.6
mg/L
6/18/15 jdg
LOG ID: 1506-242 REPORTED BY: NC CERTIFIED LAB # 50
ffl�
Tony Gragg, Lab Supervisor

URTERi ■ ECH LROSInc.
POST OFFICE BOX 1056 • #5 PINEWOOD PLAZA DR.
GRANITE FALLS, NORTH CAROLINA 28630
[phone]
SAMPLE' Corning Optical (003) COLLECTION DATE: 6/1212015
PERMIT #: COLLECTION TIME: 16:07
ADDRESS: Corning Optical RECEIVED DATE: 6/15/2015
P.O. Box 489 RECEIVED TIME: 11:54
Hickory, NC 28603-0489
REPORTED: 7/9/2015
ANALYSIS
ANALYSIS
RESULTS
UNITS
DATE ANALYST
Lead
0.006
mg1L
716115
TSS
65.0
mg1L
6/18115 jrg
Copper
0.011
mg1L
6/26/15
Zinc
0.760
mg1L
6/25/15
Oil & Grease
<5.6
mg1L
6118115 jdg
LOG ID: 1506-243 REPORTED BY: NC CERTIFIED LAB # 50
fp�*
Tony Gragg, Lab Supervisor

fdfirrROKCH LJRARS.I.C.
POST OFFICE BOX 1056 • #5 PINEWOOD PLAZA DR.
GRANITE FALLS, NORTH CAROLINA 28630
[phone]
SAMPLE: Corning Optical (005) COLLECTION DATE: 6/12/2015
PERMIT #: COLLECTION TIME. 16:15
ADDRESS: Corning Optical RECEIVED DATE: 6/15/2015
P.O. Box 489 RECEIVED TIME: 11:54
Hickory, NC 28603-0489
REPORTED: 7/9/2015
ANALYSIS
i
ANALYSIS
RESULTS
UNITS
DATE
ANALYST I
Lead
<0.003
mg/L
716115
TSS
22.0
mg/L
6/18115
jrg
Copper
0.002
mg/L
6/26115
Zinc
0.144
mg/L
6125/15
Oil & Grease
<5.6
mg/L
6/18115
jdg
LOG ID: 1506-244 REPORTED BY: NC CERTIFIED LAB # 50
fa�
Tony Gragg, Lab Supervisor

RESEARCh & ANA[yT1CA1
LABORATORIES, 114C.
For: Water Tech Labs, Inc.
P.O. Box 1056
Granite Falls, NC 28630
Attn: Joe Gragg
Report of Analysis
7/7/2015
C
QZ �s
NO NC a34 f -
I NC437701
�o
01 •••.�BC� •�•j r
Client Sample ID: Coming 001 Lab Sample ID: 5609-01
Site: Water Tech Labs Collection Date: 6/12/2015 15:59
Parameter Method Resul Units a Liml Analys Analyals DatelTime
Copper, Total SM 3113 B-2004 0.025 mg/L 0.005 AA 6/26/2015
Lead, Total SM 3113 B-2004 0.019 mg/L 0,005 AA 7/6/2015
Zinc, Total EPA 200.7 1.56 mg/L 0.01 AA 6/25/2015
Client Sample ID: Coming 002 Lab Sample ID: 5609-02
Slte: Water Tech Labs Collection Date: 6/12/2015 16:03
Parame r }Method Resul t Units Rep Llmlt Anal Analysis DatelTfine
Copper, Total SM 3113 B-2004 0.025 mg/L 0.005 AA 6/262015
Lead, Total SM 3113 B-2004 0.008 mg1L 0.005 AA 716/2015
Zinc, Total EPA 200.7 0,675 mg1L 0.01 AA 6/25/2015
Client Sample ID: Coming 003 Lab Sample ID: 5609-03
Site: Water Tech Labs Collection Date: 6/12/2015 16:07
Parameter Method Result Units Rep Limi Analys Analysis DateMme
Copper, Total SM 3113 B-2004 0.011 mg/L 0.005 AA 6/262015
Lead, Total SM 3113 B-2004 0.006 mg/L 0.005 AA 7/6/2015
Zinc, Total EPA 200.7 0.760 mg/L 0.01 AA 625/2015
Client Sample ID: Coming 005 Lab Sample ID: 5609-04
Site, Water Tech Labs Collection Date: 6/12/2016 16:15
ram to Method ul Units Rea Limit al st Analysis DatelTlme
Copper, Total SM 3113 B-2004 0.002 mg/L 0.005 AA 6/26/2015
P.O. Box 473 106 Short Street Kemersville, North Carolina 27284 Tel: [phone] Fax: [phone] www.randatabs.com Page 1
rat cos basic v1d

RESEARCW & ANA1yTlCA1
LAbORATORIESF INC.
Report of Analysis
7I712015
Client Sample ID: Lab Sample ID:
Site: Collection Date: 16:15
Parameter ..Method Result Units Rep Limit Analyst Analysis Dateaime
Lead, Total SM 3113 B-2004 <0.003 mg/L 0.005 AA 7/6/2015
Zinc, Total EPA 200.7 0.144 mg/L 0.01 AA 6/25/2015
Client Sample ID:
Corning Cleaning
Lab Sample ID:
5609-05
Site:
Water Tech Labs
Collection Date:
6/17/2015 11:15
Parameter
Method
Result
Units
Rep Limit Analyst Analvs „ , aime
Is„Date,,__
Copper, Total
SM 3113 B-2004
<0.002
mg1L
0.005
AA 6/26/2015
Lead, Total
SM 3113 B-2004
<0.003
mg1L
0.005
AA 7/6/2015
MBAS
SM 5540 C-2000
3860
mg/L
0.1
YJ 6/19/2015 1620
Zinc, Total
EPA 2007
0.337
mg/L
0.01
AA 6/25/2015
NA = not analyzed
P.O. Box 473 106 Short Street Kernersville, North Carolina 27284 Tel: [phone] Fax: [phone] www.randatabs.com Page 2
ral coa basic vld

. ��[���r Err,, I J r t�CR
L, r1 ,r 1a1- -, f -BS Inc,,
5 Pinewood Plaza Drive - P.O. Box 1056
Granite Falls, NC 28630
Phone [phone] - Fax [phone]
CLIENT: Corning Cable Systems-TC Pit PHONE NUMBER: 828-327-5000
c/o Steve Street TYPE SAMPLE: Stormwater
P.O Box 489 No. LOCATIONS: 4
Hickory, NC 28603-0489 SAMPLER NAME:,5•15*t4
Sample Collection
Information
TYPE
CONTAINERS
ANALYSIS REQUIRED
Sample Location
Facility. Name
DATE
TIME
TEMP°C
Grab/
composite
No
Plastic/
Glass
Discharge 001
64al/3
/S., -5-9
Grab
3
Plastic/
Glass
TSS, Oil & Gr., Lead, Copper, Zinc
Discharge 002
(Ph lls
16tl 3
Grab
3
lactic/
Glass
TSS, Oil & Gr., Lead, Copper, Zinc
Discharge 003
�1115
ICa,4'}
Grab
3
Plastic/
Glass
TSS, Oil & Gr., Lead, Copper, Zinc
Discharge 005
�ia1i
%(�� f 5
Grab
3
Plastic/
Glass
TSS, Oil & Gr., Lead, Copper, Zinc
Relinquished By:
Date:
Time:
Re eved By;
Date:
Time:
Resin uished By:
Date:
Time:
Receiv By:
Date:
Time:
PRES ATlON.
r o 0C,
H2SO4
�jNaO
f 03
Dechlornating Agent
Other
SAMPLE TEMP. @ LAB (°C)
Chlorine Residual mgll
NC CERTIFIED LAB # 50

f
RECEIVED
Semi-annual Stormwater Discharge Monitoring Report JUL 28 2015
for North Carolina Division of Water Quality General Permit No. NCG0300gotNR
Date submitted: 07/15/2015 STQRMWATEITER USA PERMITTINGI TY
� PERMITTING
CERTIFICATE Of COVERAGE NO. NCG030000
FACILITY NAME: Hickory Manufacturing and Technology Center
COUNTY: Catawba
PERSON COLLECTING SAMPLES: Steve Street
LABORATORY: Water Tech Labs Lab Cert. # 50
Comments on sample collection or analysis:
Part A: Stormwater Benchmarks and Monitoring Results
SAMPLE COLLECTION YEAR: 2015
SAMPLE PERIOD ❑ Jan -June ❑ July -Dec
or ® Monthly'— June
DISCHARGING TO CLASS ❑ORW ❑HQW []Trout ❑PNA
❑Zero -flow []Watersupply ❑SA
❑Other
PLEASE REMEMBER TO SIGN ON PAGES 2 AND/OR 3 4
❑ No discharge this period:'
Non -Polar O&G/
Outfall No.
Date Sample
24-hour rainfall
Total Suspended Solids
pH,
Copper
Lead
Zinc
Total Petroleum
Total Toxic
Collected'
amount,
Standard units
Hydrocarbons
Organicss
(mo/dd/yr)
Inches3
Benchmarks ==_>
-
-
100 mg/L or 50 mg/L
6.0 — 9.0
0.007 mg/L
0.03 mg/L
0.067 mg/L
15 mg/L
1 rng/L
1
06/12/15
.12"
95 mg/I
6.64
.025 mg/l
.019 mg/I
1.56 mg/I
<5.6 mg/I
N/A
2
06/12/15
.12"
74 m l
7.95
.025 mg/l
.008 mg/I
.675 mg/i
<5.6 mg/I
N/A
3
06/12/15
.12"
65 mg/1
7.71
.011 mg/I
.006 mg/I
.760 mg/l
<5.6 mg/I
N/A
5
06/12/15
.12"
22 mg/I
6.81
1 .002 mg/I
I <.003 mg/l
.144 mg/I
<5.6 mg/l
N/A
k Monthly sampling (instead of semi-annual) must begin with the second consecutive benchmark exceedance for the same parameter at the same outfall.
Z For sampling periods with no discharge at any single outfall, you must still submit this discharge monitoring report with a checkmark here.
3The total precipitation must be recorded using data from an on -site rain gauge. Unattended sites may be eligible for a waiver of the rain gauge requirement.
4 See General Permit, Table 3 identifying the especially sensitive receiving water classifications where the more protective benchmark applies.
s Total Toxic Organics sampling is applicable only for those facilities which perform metal finishing operations, manufacture semiconductors, manufacture
electronic crystals, or manufacture cathode ray tubes. For purposes of this permit the definition of Total Toxic Organics is that definition contained in the EPA
Effluent Guidelines for the facility subject to the requirement to sample (for metal finishing use the definition as found in 40 CFR 433.11; for semiconductor
manufacture use the definition as found in 40 CFR 469.12; for electronic crystal manufacture use the definition as found in 40 CFR 469.22; and for cathode ray
tube manufacture use the definition found in 40 CFR 469.31).
© 2015 Coming Incorporated. All Rights Reserved.
Permit Date: 11/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 1 of 3

Facilities that incorporate a solvent management plan into the Stormwater Pollution Prevention Plan may so certify, and the requirement for TTO monitoring
may be waived. The solvent management plan shall include a list of the total toxic organic compounds used and the other elements listed in the General
Permit. For those facilities electing to employ the TTO monitoring waiver, the discharger shall sign the following certification statement:
"Based upon my inquiry of the person or persons directly responsible for managing compliance with the permit monitoring requirement for total toxic organics
(TTO), I certify that to the best of my knowledge and belief, no dumping of concentrated toxic organics into the stormwater or areas which are exposed to rainfall or
stormwater runoff has occurred since filing the last discharge monitoring report. I further certify that this facility is implementing the all the provisions of the
solvent management plan included in the Stormwater Pollution Prevention Plan."
N/A
Name (Print name)
Title (Print title)
N/A _
(Signature) (Date)
Note: (Results must be reported in numerical format. Do not report Below Detection Limit, BOL, <PQL, Non -detect, ND, or other similar non -numerical
format. When results are below the applicable limits, they must be reported in the format "<XX m L" where XX is the numerical value of the detection
limit, reporting limit, etc. in mg/L.
Note: if you report a sample value in excess of the benchmark, you must implement Tier 1, Tier Z or Tier 3 responses. See General Permit text.
Part B: Vehicle Maintenance Area Monitoring Results: only for facilities averaging > 55 gal of new oil per month.
❑ No discharge this period?z
Outfall No.
Date Sample
Collected'
(mo/dd/yr)
24-hour rainfall
amount,
Inches
Non -polar O&G/TPH by
EPA 1664 (SGT-HEM)
Total Suspended Solids
pH
Benchmarks ===>
-
-
15 mg/L
100 rng/L or 50 MdL*
6.0 — 9.0 SU
N/A
N/A
N/A
N/A
N/A
N/A
© 2015 Coming incorporated. All Rights reserved.
Permit Date: 11/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 2 of 3

Footnotes from Part A also apply to this Part B
* See General Permit text, Table 5, identifying the especially sensitive receiving water classifications where the more protective benchmark applies.
Note: if you report a sample value in excess of the benchmark, you must implement Tier 1, Tier 2, or Tier 3 responses. See General Permit text.
FOR PART A AND PART B MONITORING RESULTS:
• A BENCHMARK EXCEEDANCE TRIGGERS TIER 1 REQUIREMENTS. SEE PERMIT PART II SECTION B.
• 2 EXCEEDANCES IN A ROW FOR THE SAME PARAMETER AT THE SAME OUTFALL TRIGGER TIER 2 REQUIREMENTS. SEE PERMIT PART II SECTION B.
• TIER 3: HAS YOUR FACILITY HAD 4 OR MORE BENCHMARK EXCEEDENCES FOR THE SAME PARAMETER AT ANY ONE OUTFALL? YES ® NO❑
IF YES, HAVE YOU CONTACTED THE DWQ REGIONAL OFFICE? YES ® NO ❑
REGIONAL OFFICE CONTACT NAME: Several discussions and correspondence held with Samar Bou-Ghazale.
Mail an original and one copy_gf this DMR, including all "No Discharge"reportithin 30 davit of receipt of the lab results for at end of monitarina perfad
in the case of "No Discharge" reports) to:
Division of Water Quality
Attn: DWQ Central Files
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
YOU MUST SIGN THIS CERTIFICATION FOR ANY INFORMATION REPORTED:
"I certify, under penalty of law, that this document and all attachments were prepared under my direction or supervision in accordance with a system designed to
assure that qualified personnel properly gather and evaluate the information submitted. Based on my inquiry of the person or persons who manage the system, or
those persons directly responsible for gathering the information, the information submitted is, to the best of my knowledge and belief, true, accurate, and complete. I
am aware that there are,54gnificar"nalties for submitting false information, including the possibility of fines and imprisonment for knowing violations."
Z-,
(Signature of Permittee)
712�/�Ql�`
(Date)
© 2015 Coming Incorporated. All Rights Reserved.
Permit Date: 11/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 3 of 3

Semi-annual Stormwater Discharge Monitoring Report
for North Carolina Division of Water Quality General Permit No. NCG030000
/T\ 3-0 a q ( Date submitted: 06/18/2015
CERTIFICATE OF COVERAGE NO. NCG030000
FACILITY NAME: Hickory Manufacturing and Technology Center
COUNTY: Catawba
PERSON COLLECTING SAMPLES: Steve Street
LABORATORY: Water Tech Labs Lab Cert. # 50
Comments on sample collection or analysis:
Part A: Stormwater Benchmarks and Monitoring Results
RECEIVED
JUN 2.0 2015
DEi\R-LAND QUALITY
SAMPLE COLLECTION YEAR: 2015 STQRMWATER PERMi'I'TiIVG
SAMPLE PERIOD ❑ Jan -June ❑ July -Dec
or ® Monthly' --Mai
DISCHARGING TO CLASS ❑ORW ❑HQW ❑Trout [-]RNA
❑Zero -flow ❑Water Supply ❑SA
❑Other
PLEASE REMEMBER TO SIGN ON PAGES 2 AND/OR 3 4
❑ No discharge this period?2
Date Sample
24-hour rainfall
pal,
Non -Polar O&G/
Total Toxic
outfall No.
Collected'
amount,
Total Suspended Solids
Standard units
Copper
Lead
Zinc
Total Petroleum
Organics5
(mo/dd/yr)
Inches3
Hydrocarbons
Benchmarks ===>
-
-
100 mg/L or 50 mg/L
6.0 — 9.0
0.007 mg/L
0.03 mg/L
0.067 mg/L
15 mg/L
1 mg/L
1
05/26/15
.25"
227 mg/I
6.82
.049 mg/I
.024 mg/I
2.18 mg/1
<5.6 mg/I
N/A
2
05/26/15
.25"
233 mg/I
6.76
.132 mg/I
.044 mg/I
4.33 mg/1
<5.6 mg/I
N/A
3
05/26/15
.25"
223 mg/I
6.53
.046 mg/I
.021 mg/1
2.76 mg/I
<5.6 mg/I
N/A
5
05/26/15
.25"
54 mg/I J
7.44
1 .007 mg/I
<.005 mg/I
.130 mg/l
<5.6 mg/I
N/A
' Monthly sampling (instead of semi-annual) must begin with the second consecutive benchmark exceedance for the same parameter at the same outfall.
2 For sampling periods with no discharge at any single outfall, you must still submit this discharge monitoring report with a checkmark here.
3The total precipitation must be recorded using data from an on -site rain gauge. Unattended sites may be eligible for a waiver of the rain gauge requirement.
4 See General Permit, Table 3 identifying the especially sensitive receiving water classifications where the more protective benchmark applies.
5 Total Toxic Organics sampling is applicable only for those facilities which perform metal finishing operations, manufacture semiconductors, manufacture
electronic crystals, or manufacture cathode ray tubes. For purposes of this permit the definition of Total Toxic Organics is that definition contained in the EPA
Effluent Guidelines for the facility subject to the requirement to sample (for metal finishing use the definition as found in 40 CFR 433.11; for semiconductor
manufacture use the definition as found in 40 CFR 469.12; for electronic crystal manufacture use the definition as found in 40 CFR 469.22; and for cathode ray
tube manufacture use the definition found in 40 CFR 469.31).
© 2015 Coming Incorporated. All Rights Reserved.
Permit Date: 11/1/2012-10/31/2017 5WU-245, last revised 10/25/2012
Page 1 of 3

Facilities that incorporate a solvent management plan into the Stormwater Pollution Prevention Plan may so certify, and the requirement for TTO monitoring
may be waived. The solvent management plan shall include a list of the total toxic organic compounds used and the other elements listed in the General
Permit. For those facilities electing to employ the TTO monitoring waiver, the discharger shall sign the following certification statement:
"Based upon my inquiry of the person or persons directly responsible for managing compliance with the permit monitoring requirement for total toxic organics
(TTO), I certify that to the best of my knowledge and belief, no dumping of concentrated toxic organics into the stormwater or areas which are exposed to rainfall or
stormwater runoff has occurred since filing the last discharge monitoring report. I further certify that this facility is implementing the all the provisions of the
solvent management plan included in the 5tormwater Pollution Prevention Plan."
Name (Print name)
N/A
Title (Print title)
N/A
(Signature) (Date)
Note: Results must be reported in numerical format. Do not report Below Detection Limit, BDL, <PQL, Non -detect, ND, or other similar non -numerical
format. When results are below the applicable limits, they must be reported in the format "<XX m L" where XX is the numerical value of the detection
limit, reporting limit, etc. in mg/L.
Note: if you report a sample value in excess of the benchmark, you must implement Tier 1, rer Z, or Tier 3 responses. See General Permit text
Part B: Vehicle Maintenance Area Monitoring Results: only for facilities averaging > 55 gal of new oil per month.
❑ No discharge this period:'
Outfall No.
Date Sample
Collected'
(mo/dd/yr)
24-hour rainfall
amount,
Inches
Non -polar O&G/TPH by
EPA 1664 {SGT-HEM)
Total Suspended Solids
pH
Benchmarks ===>
-
-
15 mg/L
100 mg/L or 5o mg/L*
6.0 — 9.0 SU
N/A
N/A
N/A
N/A
N/A
N/A
© 2015 Corning Incorporated. All Rights Reserved.
Permit Date: 11/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 2 of 3

Footnotes from Part A also apply to this Part B
* See General Permit text, Table 5, identifying the especially sensitive receiving water classifications where the more protective benchmark applies.
Note: If you report a sample value in excess of the benchmark, you must implement der 1, Tier 2, or Tier 3 responses. See General Permit text.
FOR PART AAND PART B MONITORING RESULTS:
• A BENCHMARK EXCEEDANCE TRIGGERS TIER 1 REQUIREMENTS. SEE PERMIT PART It SECTION B.
• 2 EXCEEDANCES IN A ROW FOR THE SAME PARAMETER AT THE SAME OUTFALL TRIGGER TIER 2 REQUIREMENTS. SEE PERMIT PART II SECTION B.
• TIER 3: HAS YOUR FACILITY HAD 4 OR MORE BENCHMARK EXCEEDENCES FOR THE SAME PARAMETER AT ANY ONE OUTFALL? YES ® NO❑
IF YES, HAVE YOU CONTACTED THE DWQ REGIONAL OFFICE? YES ® NO ❑
REGIONAL OFFICE CONTACT NAME: Several discussions and correspondence held with Samar Bou-Ghazale.
Mail an original and one cony of this DMA ing din oil "No Discharge" reports within 30 days of receipt of the lab results (or at end of monitoring period
in the case o "No Discharge" re orts) to:
Division of Water Quality
Attn: DWQ Central Files
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
YOU MUST SIGN THIS CERTIFICATION FOR ANY INFORMATION REPORTED:
"I certify, under penalty of law, that this document and all attachments were prepared under my direction or supervision in accordance with a system designed to
assure that qualified personnel properly gather and evaluate the information submitted. Based on my inquiry of the person or persons who manage the system, or
those persons directly responsible for gathering the information, the information submitted is, to the best of my knowledge and belief, true, accurate, and complete.
am aware that there are
(Signature of Permittee)
nificant penalties for submitting false information, including the possibility of fines and imprisonment for knowing violations."
(Date)
© 2015 Corning Incorporated. All Rights Reserved.
Permit Date: 11/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 3 of 3

�'A
NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
Forguidance on filling out this form, please visit. http_//portal.ncdenr.org/web/wq/ws/su/nndessw#tab-4
Permit No.: or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and Technology Center - Corning. Optical CQmmunicg_tions
County: Catawba Phone No.: 828-901-6695
Inspector: Steve Street
Date of Inspection: 05 15
Time of Inspection: 1 m
Total Event Precipitation (inches):.25"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or `measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature,+certLf*that this reporo s accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
© 2015 Coming Incorporated. All Rights Reserved.
Page 1 of 2
5WU-242, Last modified 10/25/2012

1. Outfall Description:
Outfall No. 0M Structure (pipe, ditch, etc.) Pine
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: Reel storage, solid
wastQ containers esi a ed for landfill, hazardous waste storage, and R&D buildi
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Color was medium brown.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No_odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
1 2 3 ® 5
5. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
1 Q 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
1 2 3 ® 5
7. Is there any foam in the stormwater discharge? Yes N
8. Is there an oil sheen in the stormwater discharge? Yes H
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe: „The obvious cause of the high suspended solids was gravel dust and grit that had
collected on the surfaces during the four weeks of dry weather.
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
© 2015 Corning Incorporated. All Rights Reserved.
Page 2 of 2
5WU-242, fast modified 10/25/2012

lfi�i'A
NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
For guidance on filling out this farm, please visit., http f /portal.ncdenr,org/weblwqLws/su/npdessw# ab-4
Permit No.: N/C/ 0/-3/Q/Q/Q/Q/Q/ or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and Technology Center -Corning Optical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Steve Street
Date of Inspection: 50 126/15
Time of Inspection: 10:35 pin
Total Event Precipitation (inches):.25"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
® Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event' is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event' is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signaturp, I certify that this report is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
O 2015 Corning Incorporated. All Rights Reserved.
Pagel of 2
SWU-242. Last modified 10/25/2012

1. Outfall Description:
Outfail No. 0022 Structure (pipe, ditch, etc.) P1De
Receiving Stream: ClarWs Creek
Describe the industrial activities that occur within the outfail drainage area: Solid waste containers
designated for landfill, metal recycling container, and chemical storage area (covered),
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Discharge was medium brown.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odors were present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
1 2 3 ® 5
S. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
1 0 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
1 2 3 ® 5
7. Is there any foam in the stormwater discharge? Yes No
8. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of stormwater Pollution: None
List and describe: The obvious cause of the high suspended solids was gravel dust and grit that had
collected on the surfaces during the four weeks of da weather.
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
© 2015 Corning Incorporated. All Rights Reserved.
Page 2 of 2
SWU-242, Last modified 10/25/2012

NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
For guidance on filling out this form, please visit. http:///portal.ncdenr.org/web/wg/ws/sulnpdessw#tab#tabs
Permit No.:/Q/Q//Q/Q/Q/Q/Q/ or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and Technology Center - Corning Optical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Steve Street
Date of Inspection: 05/26/15
Time of Inspection: 10:3Q pm
Total Event Precipitation (inches):
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
® Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or `measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature, I certify that this repgrt is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
© 2015 Coming Incorporated. All Rights Reserved.
Page 1 of 2
SWU-242, Last modified 10/25/2012

1. Outfall Description:
Outfall No. 003 Structure (pipe, ditch, etc.) Pine
Receiving Stream: ClarWs Creek
Describe the industrial activities that occur within the outfall drainage area: Reel storage, machine
shoo, and warehouse.
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Discharge was medium brown.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
1 2 3 ® 5
5. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
2 0 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
1 2 3 ® 5
7. Is there any foam in the stormwater discharge? Yes
8. Is there an oil sheen in the stormwater discharge? Yes N�
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe: The obvious cause of the high suspended solids was gravel dust and grit that had
collected on the surfaces during the four weeks of dry_wegther.
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
O 2015 Corning Incorporated. All Rights Reserved.
Page 2 of 2
SWU-242, Last modified 10/25/2012

� N
NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
Forguidanceonfilling out thisform,please visit: httn://portal.ncdennorg/web/w wsfsu/noessw#tab-4
Permit No.: N/C/ Q/ 3/0/0/0/D/Q/ or Certificate of Coverage No.: N/C/G/_/_/_/_/_/_/
Facility Name: Hickory Manufacturing and Technology Center - Corning Optical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Steve Street
Date of Inspection: 05 6 5
Time of Inspection: 10:30 pm
Total Event Precipitation (inches):.25"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
® Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event' is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature, I certify that this report is fqurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
© 2015 Corning Incorporated. All Rights Reserved.
Pagel of 2
sWU-242, last modified 10/25/2012

1. Outfall Description:
Outfall No. 004 Structure (pipe, ditch, etc.) Pine
Receiving Stream: ClarWs Creek
Describe the industrial activities that occur within the outfall drainage area: No industrial activities,
only a warehouse.
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors:.Cglor was light brown.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was rep sent.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
1 2 Q 4 5
S. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
1 Q 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
1 0 3 4 5
7. Is there any foam in the stormwater discharge? Yes No
8. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
© 2015 Corning Incorporated. All Rights Reserved.
Page 2 of 2
SWU-242, Last modified 10/25/2012

A
��
NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
For guidance on flung out this form, please visit: hUp@I/portal.ncdennorg/web /wq jws/su/npdessw#tab-4
Permit No.: or Certificate of Coverage No.:
Facility Name: Hicko n factu ring and Technology Cen r- Corning Op ical-Communicab n
County: Catawba Phone No.: 828-901-6695
Inspector: Steve Street
Date of Inspection: 05 2 15
Time of inspection: 10:48 Um
Total Event Precipitation (inches):.25"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
® Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature, I certify that this report is-ascurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
© 2015 Coming Incorporated. All Rights Reserved.
Pagel of 2
SWU-242, Last modified 10/25/2012

1. Outfall Description:
Outfall No. 0005. Structure (pipe, ditch, etc.) PiM
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: Manufacture of fiber
optic cable and warehouse.
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Color was clear.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
1 20 3 4 5
5. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
01 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
1 Q 3 4 5
7. Is there any foam in the stormwater discharge? Yes NN
8. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
© 2015 Corning Incorporated. All Rights Reserved.
Page 2 of 2
SWU-242, Last modified 10/25/2012

LABS.Inc.
Wivirmi
TECH
POST OFFICE BOX 1056 • #5 PINEWOOD PLAZA DR.
GRANITE FALLS, NORTH CAROLINA 28630
[phone]
SAMPLE. Corning Optical (001) COLLECTION DATE:
5/26/2015
PERMIT #: COLLECTION TIME:
22:33
ADDRESS: Corning Optical RECEIVED DATE:
5/27/2015
P.O. Box 489
RECEIVED TIME:
09:15
Hickory, NC 28603-0489
REPORTED:
6/10/2015
ANAL PSIS
ANALYSIS
RESULTS
UNITS
DATE ANALYST
Lead
0.024
mg/L
613115
TSS
227
mg/L
5I29115 irg
Copper
0.049
mg/L
612115
Zinc
2.18
mg/L
613115
Oil & Grease
<5.6
mg/L
5/29/15 idg
LOG ID: 1505-398 REPORTED BY: NCCERTIFIEDLAB # 50
fmOoff
"Pony Gragg, Lab Supervisor

WR7 ERiTFCH L018S•Inc.
POST OFFICE BOX 1056 • #5 PINEWOOD PLAZA DR.
GRANITE FALLS, NORTH CAROLINA 28630
[phone]
SAMPLE: Corning Optical (002) COLLECTION DATE: 5/26/2015
PERMIT #: COLLECTION TIME: 22:35
ADDRESS: Corning Optical RECEIVED DATE: 5/27/2015
P.O. Box 489 RECEIVED TIME: 09:15
Hickory, NC 28603-0489
REPORTED: 6/10/2015
ANALYSIS
ANALYSIS
RESULTS
UNITS
DATE ANALYST
Lead
0.044
mg/L
613115
TSS
233
mg/L
5/29115 jrg
Copper
0.132
mg/L
612115
Zinc
4.33
mg/L
513115
Oil & Grease
<5.6
mg/L
5129115 jdg
LOG ID: 1505-399 REI1ORTE-1) BY: NC CERTIFIED LAB # 50
ffll�
'Pony Gragg, E ab Supervisor

URTERiTECH LRB:s.mc.
POST OFFICE BOX 1056 • #5 PINEWOOD PLAZA DR.
GRANITE FALLS, NORTH CAROLINA 28630
[phone]
SAMPLE. Corning Optical (003) COLLECTION DATE: 5/26/2015
PERMIT #: COLLECTION TIME: 22:38
ADDRESS: Corning Optical RECEIVED DATE: 5/27/2015
P.O. Box 489 RECEIVED TIME: 09:15
Hickory, NC 28603-0489
REPORTED: 6/10/2015
ANALYSIS
ANALYSIS
RESULTS
UNITS
DATE ANALYST
Lead
0.021
mg/L
613/15
TSS
223
mg/L
5/29/15 jrg
Copper
0.046
mg/L
612/15
Zinc
2.76
mg/L
613115
Oil & Grease
<5.6
mg/L
5129/15 jdg
LOG ID: 1505-400 REPORTED BY: NC CERTIFIED LAB ## 50
ff�
Tony Gragg, Lab Supervisor

URTERiTECH U185,mc.
POST OFFICE BOX 1056 • #5 PINEWOOD PLAZA DR.
GRANITE FALLS, NORTH CAROLINA 28630
[phone]
SAMPLE: Corning Optical (005) COLLECTION DATE: 5/26/2015
PERMIT #: COLLECTION TIME: 22:48
ADDRESS: Corning Optical RECEIVED DATE: 5/27/2015
P.O. Box 489 RECEIVED TIME: 09:15
Hickory, NC 28603-0489
REPORTED: 6/10/2015
ANALYSIS
�__ - - - --- --- ----- - �
ANALYSIS
RESULTS
UNITS
DATE ANALYST
Lead
<0.005
mg/L
6/3/15
TSS
54.0
mg/L
5129/15 jrg
Copper
0.007
mg/L
6/2/15
Zinc
0.130
mg/L
6/2/15
Oil 8, Grease
<5.6
mg1L
5/29115 jdg
LOG ID: 1505-401
REPORTED BY: NC CERTIFIED LAB # 50
ff�
Tony Gragg, Lab Supervisor

RESEARCh & ANA1yTICA1
LABORATORIES, INC.
For: Water Tech tabs, Inc.
P.O. Box 1056
Granite Falls, NC 28630
Attn: Joe Gragg
Report of Analysis
6/5/2015
11I1 f1ro't4,
.�' C,�,bLrri 'a
'••••
to NC #34 Z. s +
NC #37701
Ile. DIED SNP1,� ``•
Client Sample ID: Corning 001 Lab Sample 10: 4814-01
Site: Water Tech Labs Collection Date: 5/26/2015 22:33
Parameter Method Result Units Rep Limit Analyst Analysis DatelTime
Copper, Total SM 3113 B-2004 0.049 mg/L 0.002 AA 6/2/2015
Lead, Total SM 3113 B-2004 0.024 mg/L 0.003 AA 6/3/2015
Zinc, Total EPA 200.7 2.18 mg/L 0.01 AA 6/3/2015
Client Sample ID: Corning 002 Lab Sample ID: 4814-02
Site: Water Tech Labs Collection Date: 5/26/2015 22:35
Parameter Method Result Units Rep Limit Analyst Analysis Date/Time
Copper, Total SM 3113 B-2004 0.132 mg/L 0.002 AA 6/2/2015
Lead, Total SM 3113 B-2004 0.044 mg/L 0.003 AA 6/3/2015
Zinc, Total EPA 200.7 4.33 mg/L 0,01 AA 6/3/2015
Client Sample ID: Corning 003 Lab Sample ID: 4814-03
Site: Water Tech Labs Collection Date: 5/26/2015 22:38
Parameter Method Result Units Rep Limit Anal st Analysis Date/Time
Copper, Total SM 3113 B-2004 0.046 mg/L 0,002 AA 6/2/2015
Lead, Total SM 3113 B-2004 0.021 mg/L 0,003 AA 6/3/2015
Zinc, Total EPA 200.7 2.76 mg/L 0.01 AA 6/3/2015
Client Sample ID: Corning 005 Lab Sample ID: 4814-04
Site: Water Tech Labs Collection Date: 5/26/2015 22:48
Parameter Method Result Units Rep Limit Analyst Analysis Date/Time
Copper, Total SM 3113 B-2004 0.007 mg/L 0.002 AA 6/2/2015
P.O. Box 473 106 Short Street Kernersville, North Carolina 27284 Tel: [phone] Fax; 336-996-0326 www.randafabs.com Page 1
rai coa basic v 1 d

RESEARCh & ANA[yTICAI Report of Analysis
LA ORATORI ESF INC. 6/5/2015
Client Sample ID: Lab Sample ID:
Site: Collection Date: 22:48
Parameter Method Result Units Rep Limit An_ alyst Analysis DatelTime
Lead, Total SM 3113 B-2004 <0.005 mg1L 0,003 AA 6/3/2015
Zinc, Total EPA 200.7 0.130 mglL 0.01 AA 6/2/2015
NA = not analyzed
P.O. Box 473 106 Short Street Kernersville, North Carolina 27284 Tel: [phone] Fax: [phone] www,randalabs.com Page 2
ral coa basic vId

r• E.TFRI)-
r i ri��� fVTT�CHlLA-kBS,
� nc�,
5Pinewood Plaza Drive -- P.O. Box 1056
Granite Falls, NC 28630
Phone [phone] — Fax [phone]
CLIENT: Corning Cable Systems-TC Pit PHONE NUMBER: 828-327-5000
c/o Steve Street TYPE SAMPLE: Stormwater
P.O Box 489 No. LOCATIONS: 4
Hickory, NC 28603-0489 SAMPLER NAME: S�S+ret
Sample Collection
Information
TYPE
CONTAINERS
ANALYSIS REQUIRED
Sample Location
FacilityName
DATE
TIME
TEMP. °C
Grab/
Composite
No
Plastic/
Glass
Discharge 001
1
as 33
Grab
3
Plastic)�15
Glass
TSS, Oil & Gr., Lead, Copper, Zinc
Discharge 002
t�a(a�rs
a�:35
Grab
3
Plastic)
Glass
TSS, Oil & Gr., Lead, Copper, Zinc
Discharge 003
s�Jl�
,3�
Grab
3
Plastic) Glass
TSS, Oil & Gr., Lead, Copper, Zinc
Discharge 005
�W ��
U'"�
`�
Grab
3
GlassPlastic)
TSS, Oil & Gr., Lead, Copper, Zinc
Reli quished By:
Date:
Time:
Rec' ved
Date:
/
Time:
f
Reli quished By:
Date:
Time:
Reed By:
D te:
Time:
PRESERVATION:
jj.C4a140C
(�4<'SO4
I] Na OH
( 03
(j Dechlomating Agent
�] Other ,Q
SAMPLE TEMP. @ LAB (°C)
Chlorine Residual mgll
NC CERTIFIED LAB # 50

CORNING
June 18"', 2015
Steve Street Hickory Manufacturing and t 828-901-6695
Sr. EH5 Coordinator Technology Center f 828-901-5665
PO Box 489 [e-mail]
Hickory, NC 28603 www.coming.com
Division of Energy, Mineral, and Land Resources
Attn: DWQ Central Files
1612 Mail Service Center
Raleigh, North Carolina 27699-1612
Dear Sir/Madam:
Please find enclosed an original and one (1) copy of the Stormwater Discharge Monitoring
Report for Corning Optical Communications, LLC — Hickory Manufacturing and Technology
Center (HMTC) located in Hickory, Catawba County, North Carolina. The stormwater
samples were collected on 05/26/2015 for all permitted outfalls and represent the monthly
sample as specified in the Tier II requirements of HMTC's stormwater permit.
The stormwater samples were collected during the first storm event following a period of
extremely dry weather where no rainfall occurred in four weeks. The results are mixed and
reflect HMTC to be outside the benchmark value for the following parameters:
• Copper— Stormwater Outfall 1, 2, and 3
• Lead — Stormwater Outfall 2
• TSS — Stormwater Outfall 1, 2, 3, and 5
• Zinc — Stormwater Outfall 1, 2, 3, and 5
Additional attachments include the Laboratory Analytical Report, Chain -of -Custody,
Qualitative Monitoring Report, and the Upstream/Downstream results. Please contact me if
you have any questions at 828-901-6695.
Sincerely,
Stephen L Street
Senior Environmental, Health and Safety Coordinator
attachments
© 2015 Corning Incorporated. All Rights Reserved.
""pr)
�CEIV
- A..F
UN 0 2015
V'E l[ -�,' N. rpRMVVA-rr R pSRJ 1 ,
�G

CORNING
July 151", 2015
Steve Street Hickory Manufacturing and t 828-901-6695
Sr. EHS Coordinator Technology Center f 828-901-5665
PO Box 489 [e-mail]
Hickory, NC 28603 www.corning.com
Division of Energy, Mineral, and Land Resources
Attn: DWQ Central Files
1612 Mail Service Center
Raleigh, North Carolina 27699-1612
Dear Sir/Madam:
Please find enclosed an original and one (1) copy of the Stormwater Discharge Monitoring
Report for Corning Optical Communications, LLC — Hickory Manufacturing and Technology
Center (HMTC) located in Hickory, Catawba County, North Carolina. The stormwater
samples were collected on 06/12/2015 for all permitted outfalls and represent the monthly
sample as specified in the Tier II requirements of HMTC's stormwater permit.
The results are mixed and reflect HMTC to be outside the benchmark value for the following
parameters:
Copper — Stormwater Outfall 1, 2, and 3
Zinc — Stormwater Outfall 1, 2, 3, and 5
Additional attachments include the Laboratory Analytical Report, Chain -of -Custody,
Qualitative Monitoring Report, and the Upstream/Downstream results. Please contact me if
you have any questions at 828-901-6695.
Sincerely,
Stephen L Street
Senior Environmental, Health and Safety Coordinator
attachments
© 2015 Corning Incorporated. All Rights Reserved.
RECEIVED
JUL 28 2015
DENR-LAND QUALITY
STORNIWATER PERMITTING

r�
V-
Semi-annual Stormwater Discharge Monitoring Report
for North Carolina Division of Water Quality General Permit No. NCG030000
N C 0
3 &-� qc"
Date submitted: 06/18/2015
RECEIVED
JUN PO 201
CERTIFICATE OF COVERAGE NO. NCG030000 SAMPLE COLLECTION YEAR: 2015 5T0 ENR ,A1ND QJA? Icy
FACILITY NAME: Hickory Manufacturing and Technoim Center SAMPLE PERIOD ❑ Jan -June ElJuly-Dec RMWATER PERM,TTA'G
COUNTY: Catawba or ® Monthly' May
PERSON COLLECTING SAMPLES: Steve Street DISCHARGING TO CLASS ❑ORW ❑HQW []Trout ❑PNA
LABORATORY: Water Tech Labs Lab Cert. # 50 [_]Zero -flow ❑Water Supply ❑SA
Comments on sample collection or analysis: r ❑Other
Part A: Stormwater Benchmarks and Monitoring Results
PLEASE REMEMBER TO SIGN ON PAGES 2 AND/OR 3 4
❑ No discharge this period?'
Date Sample
24-hour rainfall
pH,
Non -Polar O&G/Total
Toxic
Outfall No.
Collected'
amount,
Total Suspended Soiids
Standard units
Copper
Lead
Zinc
Total Petroleum
Organics'
(mo/dd/yr)
Inches3
Hydrocarbons
Benchmarks ===y
-
-
100 mg/L or 50 mg/L
6.0 — 9.0
0.007 mg/L
0.03 mg/L
0.067 mg/L
15 mg/L
1 mg/L
1
05/26/15
.25"
227 mg/I
6.82
.049 mg/I
.024 mg/I
2.18 mg/I
<5.6 mg/I
N/A
2
05/26/15
.25"
233 mg/I
6.76
.132 mg/I
.044 mg/I
4.33 mg/I
<5.6 mg/I
N/A
3
05/26/15
.25"
223 mg/I
6.53
.046 mg/I
.021 mg/I
2.76 mg/I
<5.6 mg/I
N/A
5
05/26/15
.25"
54 mg/I
7.44
.007 mg/I
<.005 mg/I
.130 mg/I
<5.6 mg/1
N/A
1 Monthly sampling (instead of semi-annual) must begin with the second consecutive benchmark exceedance for the same parameter at the same outfall.
2 For sampling periods with no discharge at any single outfall, you must still submit this discharge monitoring report with a checkmark here.
3The total precipitation must be recorded using data from an on -site rain gauge. Unattended sites may be eligible for a waiver of the rain gauge requirement.
4 See General Permit, Table 3 identifying the especially sensitive receiving water classifications where the more protective benchmark applies.
5 Total Toxic Organics sampling is applicable only for those facilities which perform metal finishing operations, manufacture semiconductors, manufacture
electronic crystals, or manufacture cathode ray tubes. For purposes of this permit the definition of Total Toxic Organics is that definition contained in the EPA
Effluent Guidelines for the facility subject to the requirement to sample (for metal finishing use the definition as found in 40 CFR 433.11; for semiconductor
manufacture use the definition as found in 40 CFR 469.12; for electronic crystal manufacture use the definition as found in 40 CFR 469.22; and for cathode ray
tube manufacture use the definition found in 40 CFR 469.31).
© 2015 Coming Incorporated. All Rights Reserved.
Permit Date: 11/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 1of3

Facilities that incorporate a solvent management plan into the Stormwater Pollution Prevention Plan may so certify, and the requirement for TTO monitoring
may be waived. The solvent management plan shall include a list of the total toxic organic compounds used and the other elements listed in the General
Permit. For those facilities electing to employ the TTO monitoring waiver, the discharger shall sign the following certification statement:
"Based upon my inquiry of the person or persons directly responsible for managing compliance with the permit monitoring requirement for total toxic organics
(TTO), I certify that to the best of my knowledge and belief, no dumping of concentrated toxic organics into the stormwater or areas which are exposed to rainfall or
stormwater runoff has occurred since filing the last discharge monitoring report. I further certify that this facility is implementing the all the provisions of the
solvent management plan included in the Stormwater Pollution Prevention Plan."
N/A
Name (Print name)
N/A _ _
Title (Print title)
N/A — -
(Signature)
(Date)
Note: Results must be reported in numerical format. Do not report Below Detection Limit, BDL, <PQL, Non -detect, ND, or other similar non -numerical
format. When results are below the applicable limits, thqy must be reported in the format "<XX mg/L", where XX is the numerical value of the detection
limit, reporting limit, etc. in mg/L.
Note. if you report a sample value in excess of the benchmark, you must implement Tier I, Tier 2, or Tier 3 responses. See General Permit text.
Part S: Vehicle Maintenance Area Monitoring Results: only for facilities averaging > 55 gal of new oil per month.
❑ No discharge this period?z
Outfall No.
Date Sample
Collected
(mo/dd/yr)
24-hour rainfall
amount,
Inches
Non -polar O&G/TPH by
EPA 1664 (SGT-HEM)
Total Suspended Solids
pH
Benchmarks =_=>
-
-
15 mg/L
100 mg/L or 50 mg/L*
6.0 - 9.0 5U
N/A
N/A
N/A
N/A
N/A
N/A
© 2015 Corning Incorporated. All Rights Reserved.
Permit Date: 11/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 2 of 3

Footnotes from Part A also apply to this Part B
* See General Permit text, Table 5, identifying the especially sensitive receiving water classifications where the more protective benchmark applies.
Note: if you report a sample value in excess of the benchmark, you must Implement Tier 1, Tier 2, or Tier 3 responses. See General Permit text.
FOR PART A AND PART B MONITORING RESULTS:
• A BENCHMARK EXCEEDANCE TRIGGERS TIER 1 REQUIREMENTS. SEE PERMIT PART 11 SECTION B.
• 2 EXCEEDANCES IN A ROW FOR THE SAME PARAMETER AT THE SAME OUTFALL TRIGGER TIER 2 REQUIREMENTS. SEE PERMIT PART 11 SECTION B.
• TIER 3: HAS YOUR FACILITY HAD 4 OR MORE BENCHMARK EXCEEDENCES FOR THE SAME PARAMETER AT ANY ONE OUTFALL? YES ® NO❑
IF YES, HAVE YOU CONTACTED THE DWQ REGIONAL OFFICE? YES ® NO ❑
REGIONAL OFFICE CONTACT NAME: Several discussions and correspondenge held with Samar Bou-Ghazale.
Mail an on final and one mov of this DMR including all "No Discharge" reports within 30 days of recei t of the lab results tor ate d of monitoring period
in the case of "No Discharge" reports) to:
Division of Water Quality
Attn: DWQ Central Files
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
YOU MUST SIGN THIS CERTIFICATION FOR ANY INFORMATION REPORTED:
"1 certify, under penalty of law, that this document and all attachments were prepared under my direction or supervision in accordance with a system designed to
assure that qualified personnel properly gather and evaluate the information submitted. Based on my inquiry of the person or persons who manage the system, or
those persons directly responsible for gathering the information, the information submitted is, to the best of my knowledge and belief, true, accurate, and complete
am aware that there are significant penalties for submitting false information, including the possibility of fines and imprisonment for knowing violations."
(Signature of Permittee) (Date)
© 2015 Coming Incorporated. All Rights Reserved.
Permit Date: 11/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 3 of 3

C
c,,,,,o36/)-, 1-(
Semi-annual Stormwater Discharge Monitoring Report
for North Carolina Division of Water Quality General Permit No. NCG030000
Date submitted: 05/18/2015
CERTIFICATE OF COVERAGE NO. NCG030000
FACILITY NAME: Hickory Manufacturing and Technology Center
COUNTY: Catawba
PERSON COLLECTING SAMPLES: Steve Street
LABORATORY: Water Tech Labs Lab Cert. # 50
Comments on sample collection or analysis:
Part A: Stormwater Benchmarks and Monitoring Results
SAMPLE COLLECTION YEAR: 2015
SAMPLE PERIOD ❑ Jan -June ❑ July -Dec
or ® Monthly"-- April
DISCHARGING TO CLASS ❑ORW ❑HQW []Trout ❑PNA
❑Zero -flow ❑Water Supply [—]SA
❑Other
PLEASE REMEMBER TO SIGN ON PAGES 2 AND/OR 3 �
❑ No discharge this period:'
Date Sample
24-hour rainfall
pH,
Non -Polar 0&GJ
Total Toxic
Outfall No.
Collected'
amount,
Total Suspended Solids
Standard units
Copper
Lead
Zinc
Total Petroleum
—Organics s
(mo/dd/yr)
Inches3
Hydrocarbons
Benchmarks =__>
-
-
100 mg/L or 50 mg/1.
6.0 -- 9.0
0.007 mg/L
0.03 mg/L
0.067 mg/L
15 mg/L
t 1 mg/L
1
04/13/15
.Z5"
242 mg/I
7.11
.075 mg/I
<.003 mg/I
.466 mg/I
<5.6 mg/I
N/A
2
04/13/15
.25"
68 mg/I
7.28
.099 mg/I
.011 mg/I
2.06 mg/I
<5.6 mg/I
N/A
3
04/13/15
.25"
114 mg/I
7.14
.025 mg/I
<.003 mg/1
.880 mg/I
<5.6 mg/I
N/A'�;.
5
04/13/15
.25"
62 mg/I
7.30
.027 mg/I
<.003 mg/I
558 mg/I
<5.6 mg/I
N/A
I Monthly sampling (instead of semi-annual) must begin with the second consecutive benchmark exceedance for the same parameter at the same outfall.
z For sampling periods with no discharge at any single outfall, you must still submit this discharge monitoring report with a checkmark here.
3The total precipitation must be recorded using data from an on -site rain gauge. Unattended sites may be eligible for a waiver of the rain gauge requirement.
4 See General. Permit, Table 3 identifying the especially sensitive receiving water classifications where the more protective benchmark applies.
5 Total Toxic Organics sampling,is applicable only for those facilities which perform metal finishing operations, manufacture semiconductors, manufacture
electronic crystals, or manufacture cathode ray tubes. For purposes of this permit the definition of Total Toxic Organics is that definition contained in the EPA
Effluent Guidelines for the facility subject to the requirement to sample (for metal finishing use the definition as found in 40 CFR 433.11; for semiconductor
manufacture use the definition as found in 40 CFR 469.12; for electronic crystal manufacture use the clef' .d in 40 CFR 469.22; and for cathode ray
tube manufacture use the definition found in 40 CFR 469.31). �do NJ
© 2015 Corning Incorporated. All Rights Reserved,
Permit Date: 11/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 1 of 3

Facilities that incorporate a solvent management plan into the Stormwater Pollution Prevention Plan may so certify, and the requirement for TTO monitoring
may be -waived. The solvent management plan shall include a list of the total toxic organic compounds used and the other elements listed in the General
Permit. For those facilities electing to employ the TTO monitoring waiver, the discharger shall sign the following certification statement:
"Based upon my inquiry of the person or persons directly responsible for managing compliance with the permit monitoring requirement for total toxic organics
(TTO), I certify that to the best of my knowledge and belief, no dumping of concentrated toxic organics into the stormwater or areas which are exposed to rainfall or
stormwater runoff has occurred since filing the last discharge monitoring report. i further certify that this facility is implementing the all the provisions of the
solvent management plan included in the Stormwater Pollution Prevention Plan."
N/A
Name (Print name)
Title (Print title)
N/A
(Signature)
(Date)
Note: Results must be reported in numerical format. Do not report Below Detection Limit, BDL, <PQL, Non -detect, ND, or other similar non -numerical
format. When results are below the applicable limits, they must be reported in the format. "<XX mg/L", where XX is the numerical value of the detection
limit, reporting limit, etc. in mg/L.
Note: If you report a sample value in excess of the benchmark, you must implement Tier 1, i rer 2, or Tier 3 responses. See General Permit text.
Part B: Vehicle Maintenance Area Monitoring Results: only for facilities averaging > 55 gal of new oil per month.
❑ No discharge this period?Z
outfall No.
Date Sample
Collected
(mo/dd/yr)
24-hour rainfall
amount,
Inches
Non -polar O&G/TPH by
EPA 1664 (SGT-HEM)
Total Suspended Solids
pH
Benchmarks ===>
_
-
15 mg/L
100 mg/L or 50 mg/L*
6.0 — 9.0 SU
N/A
N/A
N/A
N/A
N/A
N/A
© 2015 Corning Incorporated. All Rights Reserved.
Permit Date: 11/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 2 of 3

1
Footnotes from Part A also apply to this Part 8
* See General Permit text, Table 5, identifying the especially sensitive receiving water classifications where the more protective benchmark applies.
Note: If you report a sample value in excess of the benchmark you must implement Tier 1, Tier 2, or Tier 3 responses. See General Permit text.
FOR PART A AND PART B MONITORING RESULTS:
• A BENCHMARK EXCEEDANCE TRIGGERS TIER 1 REQUIREMENTS. SEE PERMIT PART II SECTION B.
• 2 EXCEEDANCES IN A ROW FOR THE SAME PARAMETER AT THE SAME OUTFALL TRIGGER TIER 2 REQUIREMENTS. SEE PERMIT PART II SECTION B.
• TIER 3: HAS YOUR FACILITY HAD 4 OR MORE BENCHMARK EXCEEDENCES FOR THE SAME PARAMETER AT ANY ONE OUTFALL? YES ® NOD
IF YES, HAVE YOU CONTACTED THE DWQ REGIONAL OFFICE? YES ® NO ❑
REGIONAL OFFICE CONTACT NAME: Several discussions and correspondence held with Samar Bou-Ghazale,
Mail an original and one copy of this DMR, including all "No Discharge" reports, within 30 days of receipt of the lab results (or at end of mo_nitorin- period
in the case ot-No Discharge" reports) to:
Division of Water Quality
Attn: DWQ Central Files
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
YOU MUST SIGN THIS CERTIFICATION FOR ANY INFORMATION REPORTED:
"I certify, under penalty of law, that this document and all attachments were prepared under my direction or supervision in accordance with a system designed to
assure that qualified personnel properly gather and evaluate the information submitted. Based on my inquiry of the person or persons who manage the system, or
those persons directly responsible for gathering the information, the information submitted is, to the best of my knowledge and belief, true, accurate, and complete
am aware that there are significant penalties for submitting false information, including the possibility of fines and imprisonment for knowing violations."
(Signature of Permittee) (Date)
© 2015 Corning Incorporated. All Rights Reserved.
Permit Date: 11/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 3 of 3

CORNING
May 18t", 2015
Steve Street Hickory Manufacturing and 1 828-901-6695
Sr. EHS Coordinator Technology Center f 828-901-5665
PO Box 489 sieve,[e-mail]
Hickory, NC 28603 www corning,com
Division of Energy, Mineral, and Land Resources
Attn: DWQ Central Files
1612 Mail Service Center
Raleigh, North Carolina 27699-1612
Dear Sir/Madam:
hc k Z'b � q"�
Please find enclosed an original and one (1) copy of the Stormwater Discharge Monitoring
Report for Corning Optical Communications, LLC — Hickory Manufacturing and Technology
Center (HMTC) located in Hickory, Catawba County, North Carolina. The stormwater
samples were collected on 04/13/2015 for all permitted outfalls and represent the monthly
sample as specified in the Tier 11 requirements of HMTC's stormwater permit.
The results are mixed and reflect HMTC to be outside the benchmark value for the following
parameters:
• Copper — Stormwater Outfall 1, 2, 3, and 5
• TSS — Stormwater Outfall 1 and 3
• Zinc — Stormwater Outfall 1, 2, 3, and 5
Additional attachments include the Laboratory Analytical Report, Chain -of -Custody,
Qualitative Monitoring Report, and the Upstream/Downstream results. Please contact me if
you have any questions at 828-901-6695.
Sincerely,
)4��
Stephen L Street
Senior Environmental, Health and Safety Coordinator
attachments
0 2015 Corning Incorporated. All Rights Reserved.
REECEIVED
MAY 222015
11ENRIAND OVAL) { y
S ORMWATER PERMITTING

F-"A7*w�-A
NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
For guidance on filling out this form, please visit: http//12ortal.ncdenr.org/web/wq/ws/su/npde5sw#tab-4
Permit No.: N/C/ Q/ 3/a/0/0/0/0/ or Certificate of Coverage No.:
Facility Name: Hickory Mgnufacturin_g and Technology Center - Corning Optical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Steve Street
Date of Inspection: 04113115
Time of Inspection: 7: 0 am
Total Event Precipitation (inches):.25"
RECEIVED
f�'Ay 2 2 2015
DENR-L40 GUAUTY
STORMVIlATER PERA7 T i;NG
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
® Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative
during requirements
stormevent" oru__�....�.�.�.-.-__..-.-.._.........._.........................�......................�.�.�._..i......_-._..-._--- .----------------- __----- _.;
Q g q vary. Most permits require qualitative monitoring to be
p gduring a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter j
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signAt
off JAtIFtify thatport is accurate and complete to the best of my knowledge:
ignature of Permittee or Designee)
© 2015 Corning Incorporated. All Rights Reserved.
Pagel of 2
SWU-242, Lastmndified 10/25/2012

I. Outfall Description:
Outfall No. 001 Structure (pipe, ditch, etc.) Pine
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: Reel storage, solid
waste containers designated for landfill hazardous wa to sto[ne, and R&D building.
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Color was light yellow.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy-
1 2 3 ® 5
5. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
1 25 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
1 2 3 ® 5
7. Is there any foam in the stormwater discharge? Yes
8. Is there an oil sheen in the stormwater discharge? Yes 0
9. Is there evidence of erosion or deposition at the outfall? Yes No
iD. Other Obvious Indicators of Stormwater Pollution: None
List and describe: The. obvious cause of the high suspended solids was due to pollen. The water was
yellow due to the amount of pollen present.
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
© 2015 Corning Incorporated. Ail Rights Reserved.
Page 2 of 2
5WU-242, Last modified 10/25/2012

NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
For guidance on filling out thisform, please visit. http://l2ortal.ncdenr.org/web/wQlws/su/ni2dessw#tab-4
Permit No.: 1�/C/Q/ 3/0/Q/Q/0/0/ or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and Technology Center - Corning Optical Communications
County: Catawba Phone No.: 828-90.1-6695
Inspector: Steve Street
Date of Inspection: 04113/15
Time of Inspection: 7:58, am VED
Total Event Precipitation (inches):.25" NAY 22 2015
S "E-NP-LAND Q�l:ar ;,,.
Was this a "Representative Storm Event" or "Measureable Storm Event" as d ine�i bl ty he Permit?
(See information below.) TING
® Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signatu�f'ceM }that thi5xe-pdrt is accurate and complete to the best of my knowledge:
of Permittee or Designee)
© 2015 Corning Incorporated. All Rights Reserved,
Pagel of 2
SWU-242, Last modified 10/25/2012

1. Outfall Description:
Outfall No. 002 Structure (pipe, ditch, etc.) Pine
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: Solid waste containers
designated for landfill. metal recycling container, and chemical storage area (covered).
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Discharge was light brown.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odors were present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
1 3 4 5
5. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
1 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
1 2 33 4 5
7. Is there any foam in the stormwater discharge? Yes No
8. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes H
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
© 2015 Corning Incorporated. All Rights Reserved.
Page 2 of 2
5WU-242, Last modified 10/25/2012

A17Y.A.
NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
For guidance on filling out this form, please visit: h t al.nc enr. r w b w w u n w t -4
Permit No.: N/C/Q//0/0/Q/Q/Q/ or Certificate of Coverage No.: N/C/G/_/_/—/r/T/_/
Facility Name: Hickory Manufacturing and Technology Center -Corning Optical Communications
County: Catawba Phone No.: 828-901-66.95
Inspector: Steve Street
Date of Inspection: 04 1
Time of Inspection: 7:45 am
Total Event Precipitation (inches):.22S"
RL GEr V[--D
19AY 22 2015
Was this a "Representative Storm Event" or "Measureable Storm Event" as -de fined by the permit?
See information below. STORM �,lR QUALITY
( ) W�r�
r-cRiv1� i ;`i;
® Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signatuSo-,J—xFrtVy Ifit this rep,�accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
© 2015 Corning Incorporated. All Rights Reserved.
Page t of 2
SWU-242, Last modified 10/25/2012

1. Outfall Description:
Outfall No. 003 Structure (pipe, ditch, etc.) Pipe
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfail drainage area: Reel storage. machine
shop, and warehouse.
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Discharge was light Yellow.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
1 2 0 4 5
5. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
1 02 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
1 2 N 4 5
7. Is there any foam in the stormwater discharge? Yes No
8. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe: High pollen count created ayellow hue and a significant amount of suspended
solids.
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
OO 2015 Corning Incorporated, All Rights Reserved.
Page 2 of 2
SWU-242, Last modified 10/25/2012

NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
Forguidance on filling out this form, please visit: http://12ortal,ncdenr.orglweb/wq/ws/5u/npde5sw#tab-4
Permit No.: N/C/ 0/-./-Q/0/0/0/0/ or Certificate of Coverage No.:
Facility Name: Hickory Manufgcturing and Technology Center - Corning Optical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Steve Street
Date of Inspection: 04 13 15
Time of Inspection: 7:42 am
Total Event Precipitation (inches):.25"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
® Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
13y this signat�, i comfy that ttWeport is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
© 2015 Corning Incorporated. All Rights Reserved.
Pagel of 2
SWU-242, Last modified 10/25/2012

1. Outfall Description:
Outfall No. 004 Structure (pipe, ditch, etc.) Pine
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: No industrial activities,
only a warehouse.
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Color was light brown.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
1 3 4 5
5. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
1 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
1 n2 3 4 5
7. Is there any foam in the stormwater discharge? Yes H
8. Is there an oil sheen in the stormwater discharge? Yes No
4. Is there evidence of erosion or deposition at the outfall? Yes H
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
O 2015 Corning Incorporated. All Rights Reserved.
Page 2 of 2
SWU-242, last modified 10/25/2012

A4*�-A.
NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
Forguidance on filling out this form, please visit; httl2:J/12ortal.ncdenr.org/web/wq/wsIsu/npdessw#tab-4
Permit No.: or Certificate of Coverage No.:
Facility Dame: Hickoa Manufacturing and Technology Center - Corning Optical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Steve Street
Date of Inspection: 04113115
Time of Inspection: 8:08 am
Total Event Precipitation (inches):.25"
Was this a 'Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
© Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signatt l cUtify that this repot�V`is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
© 2015 Corning Incorporated. All Rights Reserved,
Page 1 of 2
5W U-242, Last modified 10/25/2012

1. Outfall Description:
Outfall No. 0055 Structure (pipe, ditch, etc.) Pine
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: Manufacture of fiber
optic cable and warehouse.
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Color was light brown.._
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
1 02 3 4 5
5. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
1 22 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
1 2 Q3 4 5
7. Is there any foam in the stormwater discharge? Yes No
8. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
0 2015 Corning Incorporated. All Rights Reserved.
Page 2 of 2
SWU-242, Last modified 10/25/2012

Semi-annual Stormwater Discharge Monitoring Report
for North Carolina Division of Water Quality General Permit No. NCG030000
Date submitted: 05/18/2015
CERTIFICATE OF COVERAGE NO. NCG030000
FACILITY NAME: Hickory Manufacturing and Technology Center
COUNTY: Catawba R
PERSON COLLECTING SAMPLES: Steve Street
LABORATORY: Water Tech Labs Lab Cert. # 50
Comments on sample collection or analysis:
Part A: Stormwater Benchmarks and Monitoring Results
SAMPLE COLLECTION YEAR: 2015
SAMPLE PERIOD ❑ Jan -June ❑ July -Dec
or ® Monthly' — April
DISCHARGING TO CLASS ❑ORW ❑HQW ❑Trout ❑PNA
❑Zero -flow ❑Water Supply ❑SA
❑Other
PLEASE REMEMBER TO SIGN ON PAGES 2 AND/OR 3 4
❑ No discharge this period:2
Outfall No.
Date Sample
24-hour rainfall
Total Suspended Solids
pH,
Copper
Lead
Zinc
Non -Polar O&G/Total
Total Petroleum
Toxic
Collected'
amount,
Standard units
Hydrocarbons
Organics5
(mo/dd/yr)
Inches3
Benchmarks ==a
-
-
100 mg/L or 50 mg/L
6.0 — 9.0
0.007 mg/L
0.03 mg/L
0.067 mg/L
15 mg/L
1 mg/L
1
04/13/15
.25"
242 mg/l
7.11
.075 mg/I
<.003 mg/I
.466 mg/I
<5.6 mg/I
N/A
2
04/13/15
.25"
68 mg/I
7.28
.099 mg/I
.011 mg/l
2.06 mg/l
<5.6 mg/i
N/A
3
04/13/15
.25"
114 mg/1
7.14
.025 mg/I
<.003 mg/I
.880 mg/1
<5.6 mg/I
N/A
5
04/13/15
.25"
62 mg/l
7.30
.027 mg/I
<.003 mg/I
.558 mg/I
<5.6 mg/I
N/A
1 Monthly sampling (instead of semi-annual) must begin with the second consecutive benchmark exceedance for the same parameter at the same outfall.
Z For sampling periods with no discharge at any single outfall, you must still submit this discharge monitoring report with a checkmark here.
3The total precipitation must be recorded using data from an on -site rain gauge. Unattended sites may be eligible for a waiver of the rain gauge requirement.
4 See General Permit, Table 3 identifying the especially sensitive receiving water classifications where the more protective benchmark applies.
5 Total Toxic Organics sampling.is applicable only for those facilities which perform metal finishing operations, manufacture semiconductors, manufacture
electronic crystals, or manufacture cathode ray tubes. For purposes of this permit the definition of Total Toxic Organics is that definition contained in the EPA
Effluent Guidelines for the facility subject to the requirement to sample (for metal finishing use the definition as found in 40 CFR 433.11; for semiconductor
manufacture use the definition as found in 40 CFR 469.12; for electronic crystal manufacture use the definition as found in 40 CFR 469.22; and for cathode ray
tube manufacture use the definition found in 40 CFR 469.31).
O 2015 Corning Incorporated, All Rights Reserved.
Permit Date: 11/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 1 of 3

Facilities that incorporate a solvent management plan into the Stormwater Pollution Prevention Plan may so certify, and the requirement for TTO monitoring
may be waived. The solvent management plan shall include a list of the total toxic organic compounds used and the other elements listed in the General
Permit. For those facilities electing to employ the TTO monitoring waiver, the discharger shall sign the following certification statement:
"Based upon my inquiry of the person or persons directly responsible for managing compliance with the permit monitoring requirement for total toxic organics
(TTO), I certify that to the best of my knowledge and belief, no dumping of concentrated toxic organics into the stormwater or areas which are exposed to rainfall or
stormwater runoff has occurred since filing the last discharge monitoring report. I further certify that this facility is implementing the all the provisions of the
solvent management plan included in the Stormwater Pollution Prevention Plan."
Name (Print name)
N/A _
Title (Print title)
N/A
(Signature)
(Date)
Note: Results must be reported in numerical format. Do not report Below Detection Limit, BDL, <PQL, Non -detect, ND, or other similar non -numerical
format. When results are below the applicable limits, they must be reported in the format "<XX m L" where XX is the numerical value of the detection
limit, reporting limit, etc. in mg/L.
Note: if you report a sample value in excess of the benchmark, you must implement Tier 1, Tier 2, or Tier 3 responses. See General Permit text.
Part B: Vehicle Maintenance Area Monitoring Results: only for facilities averaging > 55 gal of new oil per month.
❑ No discharge this period ?2
Outfall No.
Date Sample
Collected"
(mo/dd/yr)
24-hour rainfall
amount,
Inches3
Non -polar O&G/TPH by
EPA 1664 (SGT-HEM)
Total Suspended Solids
pH
Benchmarks ===>
_
-
15 mg/L
100 mg/L or 50 mg/L*
6.0 -- 9.0 SU
N/A
N/A
N/A
N/A
N/A
N/A
© 2015 Corning Incorporated. All Rights Reserved.
Permit Date: 11/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 2 of 3

Footnotes from Part A also apply to this Part B
* See General Permit text, Table 5, identifying the especially sensitive receiving water classifications where the more protective benchmark applies.
Note: If you report a sample value in excess of the benchmark, you must implement Tier 1, Tier 2, or Tier 3 responses. See General Permit text.
FOR PART A AND PART B MONITORING RESULTS:
• A BENCHMARK EXCEEDANCE TRIGGERS TIER 1 REQUIREMENTS. SEE PERMIT PART 11 SECTION B.
• 2 EXCEEDANCES IN A ROW FOR THE SAME PARAMETER AT THE SAME OUTFALL TRIGGER TIER 2 REQUIREMENTS. SEE PERMIT PART 11 SECTION B.
• TIER 3: HAS YOUR FACILITY HAD 4 OR MORE BENCHMARK EXCEEDENCES FOR THE SAME PARAMETER AT ANYONE OUTFALL? YES ® NO❑
IF YES, HAVE YOU CONTACTED THE DWQ REGIONAL OFFICE? YES ® NO ❑
REGIONAL OFFICE CONTACT NAME: Several discussions and correspondence held with Samar Bou-Ghazale.
Mail anginal and one -copy of this DMR, including all "No Discharge" reports, within 30 days of receipt of the lab results for at end of monitoring period
in the case o "No Discharge" re orts to: ^
Division of Water Quality
Attn: DWQ Central Files
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
YOU MUST SIGN THIS CERTIFICATION FOR ANY INFORMATION REPORTED:
"I certify, under penalty of law, that this document and all attachments were prepared under my direction or supervision in accordance with a system designed to
assure that qualified personnel properly gather and evaluate the information submitted. Based on my inquiry of the person or persons who manage the system, or
those persons directly responsible for gathering the information, the information submitted is, to the best of my knowledge and belief, true, accurate, and complete
am aware that there are significant penalties for submitting false information, including the possibility of fines and imprisonment for knowing violations."
(Signature of Permittee) (Date)
© 2015 Corning Incorporated. All Rights Reserved.
Permit Date: 11/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 3 of 3

WRT R4TEtH LA985'Inc.
POST OFFICE BOX 1056 - #5 PINEWOOD PLAZA DR.
GRANITE FALLS, NORTH CAROLINA 28630
[phone]
SAMPLE: Corning Optical (001) COLLECTION DATE: 4/13/2015
PERMIT #: COLLECTION TIME: 07:50
ADDRESS: Corning Optical RECEIVED DATE: 4/13/2015
P.O. Box 489 RECEIVED TIME: 11:41
Hickory, NC 28603-0489
REPORTED: 5/7/2015
----
---ANALYSIS
ANALYSIS
RESULTS
UNITS
DATE ANALYST
Lead
<0.003
mg/L
4/17/15
TSS
242
mg1L
4/14115 irg
Copper
0.075
mg/L
5/4/15
Zinc
0,466
mg/L
4/21/15
Oil & Grease
<5.6
mg1L
4/17115 idg
LOG ID: 1504-198
REPORTED BY: NC CERTIFIED LAB # 50
fe�
"Pony Gragg, Lab Supervisor

USrEAlirECH LARSInc.
POST OFFICE BOX 1056 • #5 PINEWOOD PLAZA DR.
GRANITE FALLS. NORTH CAROLINA 28630
[phone]
SAMPLE: Corning Optical (002) COLLECTION DATE: 4/13/2015
PERMIT #: COLLECTION TIME: 07:58
ADDRESS: Corning Optical RECEIVED DATE: 4/13/2015
P.O. Box 489 RECEIVED TIME: 11:41
Hickory, NC 28603-0489
REPORTED: 5/7/2015
ANALYSIS
ANALYSIS
ANALYSIS
RESULTS
UNITS
DATE ANALYST
Lead
0.011
mg/L
4/17/15
TSS
68.0
mg/L
4114/15 jrg
Copper
0.099
mg/L
514115
Zinc
2.06
mg/L
4/21/15
Oil & Grease
<5.6
mg/L
4/17/15 jdg
LOG ID: 1504-199 REPORTED BY: NC CERTIFIED LAB # 50
fl�
'Pony Gragg, Lab Supervisor

uRrEi RiTE"CH LROS.Inc.
5 �
POST OFFICE BOX 1056 • #5 PINEWOOD PLAZA DR.
GRANITE FALLS, NORTH CAROLINA 28630
[phone]
SAMPLE: Corning Optical (003) COLLECTION DATE: 4/13/2015
PERMIT #: COLLECTION TIME: 07:45
ADDRESS: Corning Optical RECEIVED DATE., 4/13/2015
P.O. Box 489 RECEIVED TIME: 11:41
Hickory, NC 28603-0489
REPORTED: 51712 015
ANALYSIS
ANALYSIS
RESULTS
UNITS
DATE ANALYST
Lead
<0.003
mglL
4/17115
TSS
114
mglL
4/14/15 jrg
Copper
0.025
mglL
514115
Zinc
0.880
mglL
4121/15
Oil & Grease
c5.6
mglL
4/17115 idg
LOG ID: 1504-200 REPORTED BY: NCrCER'rIFIED LAB # 50
fo�� pP
Tony Gragg, Lab Supervisor

WRTERiTKC r LROSInc.
POST OFFICE BOX 1056 • #5 PINEWOOD PLAZA DR.
GRANITE FALLS, NORTH CAROLINA 28630
[phone]
SAMPLE., Corning Optical (005) COLLECTION DATE: 4/13/2015
PERMIT #: COLLECTION TIME: 08:08
ADDRESS: Corning Optical RECEIVED DATE: 4/13/2015
P.Q. Box 489 RECEIVED TIME: 11:41
Hickory, NC 28603-0489
REPORTED: 5/7/2015
:ANAL PSIS
-- - -- -
ANALYSIS
RESULTS
UNITS
DATE ANALYST
Lead
<0.003
mg/L
4/17/15
TSS
62.0
mg1L
4/14115 jrg
Copper
0.027
mg1L
514115
Zinc
0.558
mg1L
4I21115
Oil & Grease
<5.6
mg/L
4I17115 jdg
LOG ID: 1504-201 REPORTED BY: NC CERTIFIED LAB # 50
.ff�
'Pony Gragg, Lab Supervisor

uRrEir4rECH LANSInc.
POST OFFICE BOX 1056 • #5 PINEWOOD PLAZA OR,
GRANITE FALLS, NORTH CAROLINA 28630
[phone]
SAMPLE: Corning Optical #UP COLLECTION DATE:
4/13/2015
PERMIT #: COLLECTION TIME:
07:40
ADDRESS: RECEIVED DATE:
4/13/2015
RECEIVED TIME:
11:41
REPORTED:
5/7/2015
ANALYSIS
ANALYSIS RESULTS UNITS DATE ANALYST
Copper <0.002 mg1L 5/4115
Zinc 0.011 mg1L 4/21115
LOG ID: 1504-202 REPORTED BY: NC CERTIFIED LAB 4 50
fm�
Tony Gragg, Lab Supervisor

ldfiTzRiTECH LABS.Inc.
POST OFFICE BOX 1056 • #5 PINEWOOD PLAZA DR.
GRANITE FALLS, NORTH CAROLINA 28630
[phone]
SAMPLE: Corning Optical #DOWN COLLECTION DATE:
4/13/2015
PERMIT #: COLLECTION TIME:
07:52
ADDRESS: RECEIVED DATE:
4/13/2015
RECEIVED TIME:
11:41
REPORTED:
5/7/2015
- - - - - - - - - ANALYSISA -- --- .
ANALYSIS RESULTS UNITS DATE ANALYST
Copper <0.002 mg/L 514115
Zinc 0.022 mg/L 4/21/15
LOG ID: 1504-203 REPORTED BY: NC CERTIFIED LAB # 50
f�*
Tony Gragg, Lab Supervisor

RESEARCh & ANALyTICA[
LAbORATORiES, INC.
Report of Analysis
5/6/2015
For: Water Tech Labs, Inc.
�•�C, .• ..��qr'+,
P.O. Box 1056
�:4�t1.'•4�� L �,•.•' '+;
Q
Granite Falls, NC 28630•°2
� z�fl%w
NC
Attn: Joe Gragg
NC 937701
rirlCF. ......Q%
�rlrrrn
t,s+�s
Client Sample ID: Coming 001
Lab Sample ID: 3121.01
Site: Water Tech Labs
Collection Date: 4/13/2015 7:50
Zinc, Total
EPA 200.7
0.466 mg/L
0.01
JC 4/21/2015
Copper, Total
SM 3113 B-2004
0.075 mg1L
0.002
AA 5/4/2015
Lead, Total
SM 3113 B-2004
<0.003 mg/L
0.003
AA 4/17/2015
Client Sample ID:
Corning 002
Lab Sample ID:
3121-02
Site:
Water Tech Labs
Collection Date:
4/13/2015 7:58
Zinc, Total
EPA 200.7
2.06
mg/L
0.01
JC
4/21/2015
Copper, Total
SM 3113 B-2004
0,099
mg/L
0,002
AA
5/4/2015
Lead, Total
SM 3113 B-2004
0,011
mg/L
0.003
AA
4/17/2015
Client Sample 10: Corning 003 Lab Sample ID: 3121-03
Site: Water Tech Labs Collection Date: 4/13/2015 7:45
Zinc, Total
EPA 200.7
0.880
mg/L 0.01
JC 4/21/2015
Copper, Total
SM 3113 B-2004
0.025
mg/L 0.002
AA 5/4/2015
Lead, Total
SM 3113 B-2004
<UO3
mg1L 0.003
AA 4/1712015
Client Sample ID:
Coming 005
Lab Sample ID:
3121-04
Site:
Water Tech Labs
Collection Date:
4/1312015 8:08
Pa ameter ,e
� � rss{{ "" "**�M-et>1od'� � ,�i w?T- M' F R s It 2`1�Dnits'�L4�ggRe ICimi ` %f—iiIvst Ana ivsisiDatelTime
ri�urf?+aval'a�sxaa,d tirrw ..ai
Zinc, Total
EPA 2003
0.558
mg1L 0.01
JC 4/2112015
P.O. Box 473 106 Short Street Kemersville, North Carolina 27284 Tel: [phone] Fax: [phone] www.randalabs.com Page t
rat cob basic via

RESEARCh & ANAIYTICA[
LAI]ORATORhSj INCO
Report of Analysis
5/6/2015
Client Sample 10:
Corning 005
Lab Sample ID:
3121-04
Site:
Water Tech Labs
Collection Date:
4/13/2015 8:08
pj' p,9tJnits = RQtx Lfmit'yAna! st naI sis?D`atelTim
Copper, Total
SM 3113 B-2004
0,027 mg/L 0.002
AA 5/4/2015
Lead, Total
SM 3113 B-2004
<0.003 mg1L 0.003
AA 4/17/2015
Client Sample ID: Corning Up Lab Sample ID: 3121-05
Site: Water Tech Labs Collection Date: 4/1312015 7:40
Zinc, Total
EPA 2003
0,011
mg/L 0.01
JC 4/21/2015
Copper, Total
SM 3113 B-2004
<0.002
mg/L 0.002
AA 5/412015
Client Sample ID:
Corning Down
Lab Sample ID:
3121-06
Site:
Water Tech Labs
Collection Date:
4/13/2015 7:52
Para a er, WMEM, Y x Resulk- Units'x'`ZiRen'l:imit??'AnaEyst AnalvsislDatelLime,
Zinc, Total
EPA 200.7
0,022
mg1L 0.01
JC 4/21/2015
Copper, Total
SM 3113 B-2004
<0,002
mg/L 0.002
AA 5/4/2015
NA = not onalyZed
P.O. Box 473 106 Short Street Kernersville, North Carolina 27284 Tel: [phone] Fax: [phone] www.randatabs.com Page 2
ral coa basic v1d

iLll
1 r 1 r� r I j �i, J TLF- ',t fJ �11 I:.J Iac e
J J j s
�3
5 Pinewood Plaza Drive - P.O. Box 1056
Granite Falls, NC 28630
Phone [phone] - Fax [phone]
CLIENT: Corning -TC Pit
c/o Steve Street
P.O Box 489
Hickory, NC 28603-0489
PHONE NUMBER: 828-327-5000
TYPE SAMPLE: Stormwater
No. LOCATIONS: A"' &
SAMPLER NAME: ' f Shwi
Sample Collection
Information
TYPE
CONTAINERS
ANALYSIS REQUIRED
Sample Location
FacilityName
DATE
TIME
TEMP. °C
Grab/
Composite
No
Plastic/
Glass
Discharge 001
Grab
3
Plastic/
Glass
TSS, Oil & Gr., Lead, Copper, Zinc
pp
Discharge 002
4 )13115
715801
Grab
3
Plastic/
Glass
TSS, Oil & Gr., Lead, Copper, Zinc
Discharge 003
43k—'
7!45
Grab
3
Glass/
TSS, Oil & Gr., Lead, Copper, Zinc
Discharge 005
4%31i5���
Q
Grab
3
PlastiGlass/
TSS, Oil & Gr., Lead, Copper, Zinc
1:
`2,140 q
Graff
I
P)��r-; L
C u �- 2n
V LJ j Cc rY+
1 �3I I S
? r Sa-
6 -,,
C-.l' V Zn
Relinquished By:
Date::
o31f5
Time:
/",` /
Recieve By;
Date:
`f-t�—s
Time:
11 l
Reli quished By:
Date:
Time:
Recelived By:
Date:
Time:
PRESERVATION:
[y-cool 4°C
[pq-2SO4
[] NaOH
ff-PN03
[] Dechlornating Agent
f 1 Other
SAMPLE TEMP. @ LAB (°C) .
Chlorine Residual mg/1
NC CERTIFIED LAB # 50

N c 6,- 0 3 0���
Semi-annual Stormwater Discharge Monitoring Report
for North Carolina Division of Water Quality General Permit No. NCG030000
Date submitted: 03/20/2015
CERTIFICATE OF COVERAGE NO. NCG030000
FACILITY NAME: Hickory Manufacturing and Technology Center
COUNTY: Catawba
PERSON COLLECTING SAMPLES: Steve Street`
LABORATORY: Water Tech Labs Lab Cert. # SO
Comments on sample collection or analysis:Click here to enter texP�� c 0 X
J
Part A: Stormwater Benchmarks and Monitoring Results
SAMPLE COLLECTION YEA( 2015
SAMPLE PERIOD ❑ Jan -June July -Dec or ® Monthly"— February
DISCHARGING TO CLASS ❑ORW ❑HQW ❑Trout - ❑PNA
❑Zero -flow ❑Water Supply ❑SA
❑Other
PLEASE REMEMBER TO SIGN ON PAGES 2 AND/OR 3 -->
❑ No discharge this period ?2
Date Sample
24-hour rainfall
pH,
Non -Polar O&G/
Total Toxic
Outfall No.
Collected"
amount,
Total Suspended Solids
Standard units
Copper
Lead
Zinc
Total Petroleum
Organicss
(mo/dd/yr)
Inches3
Hydrocarbons
Benchmarks
-
-
100 mg/L or 50 mg/L
6.0 — 9.0
0.007 mg/L
0.03 mg/L
0.067 mg/L
15 mg/L
1 mg/L
1
02/09/15
.15"
20.5 mg/I
7.03
.0096 mg/I
<.003 mg/1
.196 mg/1
<5.6 mg/I
N/A
2
02/09/15
.15"
39 mg/l
6.96
.0218 mg/I
.0038 mg/I
.521 mg/l
<5.6 mg/I
N/A
3
02/09/15
.15"
21.3 mg/I
7.02
.0108 mg/I
<.003 mg/I
.675 mg/I
<5.6 mg/I
N/A
5
02/09/15
.15"
18.5 mg/l
6.85
.0098 mg/I
<.003 mg/I
.262 mg/I
<5.6 mg/I
N/A
1 Monthly sampling (instead of semi-annual) must begin with the second consecutive benchmark exceedance for the same parameter at the same outfall.
2 For sampling periods with no discharge at any single outfall, you must still submit this discharge monitoring report with a checkmark here.
3The total precipitation must be recorded using data from an on -site rain gauge. Unattended sites may be eligible for a waiver of the rain gauge requirement.
4 See General Permit, Table 3 identifying the especially sensitive receiving water classifications where the more protective benchmark applies.
5 Total Toxic Organics sampling is applicable only for those facilities which perform metal finishing operations, manufacture semiconductors, manufacture
electronic crystals, or manufacture cathode ray tubes. For purposes of this permit the definition of Total Toxic Organics is that definition contained in the EPA
Effluent Guidelines for the facility subject to the requirement to sample (for metal finishing use the definition as found in 40 CFR 433.11; for semiconductor
manufacture use the definition as found in 40 CFR 469.12; for electronic crystal manufacture use the definition as found in 40 CFR 469.22; and for cathode ray
tube manufacture use the definition found in 40 CFR 469.31).
© 2015 Corning Incorporated. All Rights Reserved.
Permit Date: 11/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 1 of 3

Facilities that incorporate a solvent management plan into the Stormwater Pollution Prevention Plan may so certify, and the requirement for TTO monitoring
may be waived. The solvent management plan shall include a list of the total toxic organic compounds used and the other elements listed in the General
Permit. For those facilities electing to employ the TTO monitoring waiver, the discharger shall sign the following certification statement:
"Based upon my inquiry of the person or persons directly responsible for managing compliance with the permit monitoring requirement for total toxic organics
(TTO), I certify that to the best of my knowledge and belief, no dumping of concentrated toxic organics into the stormwater or areas which are exposed to rainfall or
stormwater runoff has occurred since filing the last discharge monitoring report. I further certify that this facility is implementing the all the provisions of the
solvent management plan included in the Stormwater Pollution Prevention Plan."
N/A
Name (Print name)
N/A
Title (Print title)
(Signature)
(Date)
Note: Results must be reported in numerical format. Do not report Below Detection Limit, BDL, <PQL, Non -detect, ND, or other similar non -numerical
format. When results are below the applicable limits, they must be reported in the format. "<XX me/L", where XX is the numerical value of the detection
limit, reporting limit, etc. in mg/L.
Note: If you report a sample value in excess of the benchmark, you must implement Tier 1, Tier 2, or Tier 3 responses. See General Permit text.
Part B: Vehicle Maintenance Area Monitoring Results: only for facilities averaging > 55 gal of new oil per month.
❑ No discharge this period:2
Outfall No.
Date Sample
Collected'
(mo/dd/yr)
24-hour rainfall
amount,
Inches
Non -polar O&G/TPH by
EPA 1664 (SGT-HEM)
Total Suspended Solids
pH
Benchmarks ===>
-
-
15 mg/L
300 mg/L or 50 mg/L"
6.0 — 9.0 SU
N/A
N/A
N/A
N/A
N/A
N/A
© 2015 Corning Incorporated. All Rights Reserved.
Permit Date: 11/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 2 of 3

Footnotes from Part A also apply to this Part B
* See General Permit text, Table 5, identifying the especially sensitive receiving water classifications where the more protective benchmark applies.
Note: if you report a sample value in excess of the benchmark, you must implement Tier 1, Tier 2, or Tier 3 responses. See General Permit text.
FOR PART A AND PART B MONITORING RESULTS:
• A BENCHMARK EXCEEDANCE TRIGGERS TIER 1 REQUIREMENTS. SEE PERMIT PART 11 SECTION B.
• 2 EXCEEDANCES IN A ROW FOR THE SAME PARAMETER AT THE SAME OUTFALL TRIGGER TIER 2 REQUIREMENTS. SEE PERMIT PART Il SECTION B.
• TIER 3: HAS YOUR FACILITY HAD 4 OR MORE BENCHMARK EXCEEDENCES FOR THE SAME PARAMETER AT ANY ONE OUTFALL? YES ® NOD
IF YES, HAVE YOU CONTACTED THE DWQ REGIONAL OFFICE? YES NO ❑
REGIONAL OFFICE CONTACT NAME: Letter sent to Mr. Mike Parker on Mav 7= and November 21". Discussions also held with Somar Bou-Ghazale.
Mail an oriainal and one copy of this DMR. includina all "No Dischorae" reports, within 30 days of receipt of the lab results for at end of monitorina period
in the case of "No Discharae" reports) to:
Division of Water Quality
Attn: DWQ Central Files
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
YOU MUST SIGN THIS CERTIFICATION FOR ANY INFORMATION REPORTED:
"I certify, under penalty of law, that this document and all attachments were prepared under my direction or supervision in accordance with a system designed to
assure that qualified personnel properly gather and evaluate the information submitted. Based on my inquiry of the person or persons who manage the system, or
those persons directly responsible for gathering the information, the information submitted is, to the best of my knowledge and belief, true, accurate, and complete.
am aware that there are significant penalties for submitting false information, including the possibility of fines and imprisonment for knowing violations."
/ 3
(Signature of Permittee) (Date)
O 2015 Corning Incorporated. All Rights Reserved.
Permit Date: 11/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 3 of 3

NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
For guidance on filling out this form, please visit: http://portal.ncdenr.org/web/wq/ws/su/nl2dessw#tab-4
Permit No.: N/C/ a/ 3/0/Q/0/0/0/ or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and Technology Center - Corning Optical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Steve Street
Date of Inspection: 02 09 15
Time of Inspection: 12:37 um
Total Event Precipitation (inches):.15"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
Ryes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature, I certify that this report is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
© 2015 Corning Incorporated. All Rights Reserved.
Pagel of 2
SWU-242, Last modified 10/25/2012

r
1. Outfall Description:
Outfall No. 001 Structure (pipe, ditch, etc.) Pipt
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: Reel storage, solid
waste containers designated for landfill, hazardous waste storage. and R&D building.
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Color was clear.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
Q1 2 3 4 5
5. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
0 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
1 0 3 4 5
7. Is there any foam in the stormwater discharge? Yes No
8. Is there an oil sheen in the stormwater discharge? Yes
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and descri
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
© 2015 Corning incorporated. All (tights Reserved.
Page 2 of 2
SWU-242, Last modified 10/25/2012

ANY
0
NCDENR
Stormwater Discharge 4utfall (SDO)
Qualitative Monitoring Report
For guidance on filling out this farm, please visit: hUp://Vortal.ncdenr.org/web/wg/ws/su/npdessw#tab-4
Permit No.: N/C/ 0/ 3/0/0/0/0/0/ or Certificate of Coverage No.: N/C/G/_/_/_/_/_/_/
Facility Name: Hickory Manufacturing and Technology Center - Corning Optical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Steve Street
Date of Inspection: 02 09 15
Time of Inspection: 12:25 pm
Total Event Precipitation (inches)..15"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
© Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
.---__-------._---------- . _ _....._............... ....._ ....._.-.-..-.-.....-.-.--..........................
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be j
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
j A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
j and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
I
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
�1 obtains approval from the local DWQ Regional Office.
By this signature, I certify that this report is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
© 2015 Corning Incorporated, All Rights Reserved.
Pagel of 2
SWU-242, Last modified 10/25/2012

1. Outfall Description:
Outfall No. 002 Structure (pipe, ditch, etc.) Pipe
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: Solid waste containers
designated for landfill, metal recycling container, and chemical stoarage area (covered).
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Discharge was light gray.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odors were present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
1 0 3 4 5
S. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
Q 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
Q 2 3 4 5
7. Is there any foam in the stormwater discharge? Yes No
S. Is there an oil sheen in the stormwater discharge? Yes No
9. 1s there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
© 2015 Corning incorporated. All Rights Reserved.
Page 2 of 2
SWU-242, Last modified 10/25/2012

LFW
NCDENR
Stormwater Discharge 4utfall (SD4)
Qualitative Monitoring Report
For guidance on filling out this form, please visit: http:l/portal.ncdenr,org/web/wg/ws/5M/npdC5sw#tab-4
Permit No.: N/C/ 0/ 3/0/Q/0/Q/Q/ or Certificate of Coverage No.: N/C/G/_/_/_/_/_/_/
Facility Name: Hickory Manufacturing and Technology Center -- Corning Optical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Steve Street
Date of Inspection: 02 09 15�� r-
Time of Inspection: 1 :30 pm AfA8
Total Event Precipitation (inches):.15" ST l Ar1r
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
©Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature, I certify that this report is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
© 2015 Corning Incorporated. All Rights Reserved.
Pagel of 2
5wll-242, last modified 10/25/2012

1. Outfall Description:
Outfall No. 003 Structure (pipe, ditch, etc.) Pipe
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: Reel storage, machine
shop, and warehouse.
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Discharge was clear.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
Q1 2 3 4 5
S. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
Q 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
Q 2 3 4 5
7. Is there any foam in the stormwater discharge? Yes No
a. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
© 2015 Corning Incorporated. All Flights Reserved.
Page 2 of 2
sWU-242, Last modified 10/25/2012

aLA
NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
Forguidance on filling out this form, please visit: http://po=l,jiaenro-rg"web/ g4ws./su/npdessw#tab-4
Permit No.: NX/ 0/-j/Q/0/0/Q/Q/ or Certificate of Coverage No.: N/C/G/_/_/_/_/_/_/
Facility Name: Hickory Manufacturing and Technology Center - Corning Optical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Steve Street
Date of Inspection: 02 09 15
Time of Inspection: 21 :33 pm
Total Event Precipitation (inches):.15"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
© Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
01 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this sign�re, I certify that t 's report is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
© 2015 Corning Incorporated. All Rights Reserved.
Pagel of 2
SWU-242, Last modified 10/25/2012

I. Outfall Description:
Outfall No. 004 Structure (pipe, ditch, etc.) Pipe
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: No industrial activities,
only a warehouse.
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Color was clear.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
Q 2 3 4 5
S. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
0 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
Q1 2 3 4 5
7. is there any foam in the stormwater discharge? Yes No
B. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
O 2015 Corning Incorporated. All flights Reserved.
Page 2 of 2
SWU-242, Last modified 10/25/2012

NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
Forguidance on filling out this form, please visit: http;//Portal.ncdenr.org/web/wq/ws/su/nl2dessw#tab-4
Permit No.: N/C/ 0/ 3/0/Q/0/0/0/ or Certificate of Coverage No.: N/C/G/_/—/_/_/_/_/
Facility Name: Hickory Manufacturing and Technology Center - Corning Optical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Steve Street
Date of Inspection: 02109/15
Time of Inspection: 12:47 pm
Total Event Precipitation (inches):.15"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
® Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
I performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
i
I A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
I
3 A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signatuEe, I certify that thisreport is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
© 2015 Corning Incorporated, All Rights Reserved.
Page 1 of 2
SWU-242, Last modified 10/25/2012

1. Outfall Description:
Outfall No. 005 Structure (pipe, ditch, etc.) Pipe
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: Manufacture of fiber
optic cable and warehouse.
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Color was clear.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
01 2 3 4 5
5. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
n 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where I is no solids and 5 is extremely muddy:
Q 2 3 4 5
7. Is there any foam in the stormwater discharge? Yes N—o]
8. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
© 2015 Corning Incorporated. All Rights Reserved.
Page 2 of 2
SWU-242, Last modified 10/25/2012

AffircRimCH L0111fi.mc.
' POST OFFICE BOX 1056 • #5 PINEWOOD PLAZA DR.
GRANITE FALLS, NORTH CAROLINA 28630
[phone]
SAMPLE., Corning Optical (001) COLLECTION DATE:
2/9/2015
PERMIT #: COLLECTION TIME:
12:37
ADDRESS: Corning Optical RECEIVED DATE:
2/9/2015
P-0. Box 489
RECEIVED TIME.
13:52
Hickory, NC 28603-0489
REPORTED:
2/ 16/2015
REVISED
ANALYSIS
ANALYSIS
RESULTS
UNITS
DATE ANALYST
Lead
<0.003
mg/L
2/16115
TSS
20.5
mg/L
2110/15 irg
Copper
0.00962
mg/L
2/18/15
Zinc
0.196
mg1L
2116115
Oil 8 Grease
<5.6
mg/L
2/9115 jdg
LOG ID: 1502-111 RHPOIZTGD BY: NC CERTIFIED LAB # 50
fb�
Tony Gragg, Lab Supervisor

UJI TER4M CH LABSInc.
POST OFFICE BOX 1056 • #5 PINEWOOD PLAZA DR.
GRANITE FALLS, NORTH CAROLINA 28630
[phone]
SAMPLE: Corning Optical (002) COLLECTION DATE: 2/9/2015
PERMIT #: COLLECTION TIME: 12:25
ADDRESS: Corning Optical RECEIVED DATE: 2/9/2015
P.O. Box 489 RECEIVED TIME: 13:52
Hickory, NC 28603-0489
REPORTED: 2/16/2015
RED
'- -
-----------------
- ANALYSIS __._--
-------- - -- - -- -- - --
ANALYSIS
RESULTS
UNITS
DATE ANALYST
Lead
0.00382
mg/L
2/16115
TSS
39.0
mg/L
2/10/15 }rg
Copper
0.0218
mg/L
2/18/15
Zinc
0.521
mg/L
2116/15
Oil & Grease
<5.6
mg/L
219/15 idg
LOG ID: 1502-112 REPORTED BY: NCtervisor
CEERT1FIE'D LAB # 50
fv'
Tony Gragg,

WIT RirEcH L&ANSInc.
POST OFFICE BOX 1056 • #5 PINEWOOD PLAZA DR,
GRANITE FALLS, NORTH CAROLINA 28630 REVISED
[phone]
SAMPLE: Corning Optical (003) COLLECTION DATE: 2/9/2015
PERMIT #: COLLECTION TIME: 12:30
ADDRESS: Corning Optical RECEIVED DATE: 2/9/2015
P.O. Box 489 RECEIVED TIME: 13:52
Hickory, NC 28603-0489
REPORTED: 2/ 16/2015
ANALYSIS
------ - --- - - - --
ANALYSIS
RESULTS
UNITS
DATE ANALYST
Lead
<0.003
mglL
2116/15
TSS
21.3
mglL
2110/15 irg
Copper
0.0108
mglL
2/18/15
Zinc
0.675
mglL
2116/15
Oil & Grease
<5.6
mglL
219115 jdg
LOG ID: 1502-113 REPORTED BY: NC CERTIFIED LAB # 50
Tony Gragg, Lab Supervisor

URTE114TECH LRBS.Inc.
POST OFFICE BOx 1056 • #5 PINEWOOD PLAZA DR.
GRANITE FALLS, NORTH CAROLINA 28630
(828)396-444-4
SAMPLE: Corning Optical (005) COLLECTION DATE: 2/9/2015
PERMIT #: COLLECTION TIME: 12:47
ADDRESS: Corning Optical RECEIVED DATE: 2/9/2015
P.O. Box 489 RECEIVED TIME: 13:52
Hickory, NC 28603-0489
REPORTED: 2/ 16/2015
REVISED
-ANALYSIS
ANALYSIS
RESULTS
UNITS
DATE ANALYST
Lead
<0.003
mg/L
2116/15
TSS
18.5
mg/L
2110/15 jrg
Copper
0.00982
mg/L
2118/15
Zinc
0.262
mg/L
2116115
Oil & Grease
<5.6
mg/L
2/9115 jdg
LOG ID: 1502-114 REPORTED BY: NC CERTIFIED LAB # 50
fl��' G l
Tony Gragg, Lab Supervisor

RESEARCh & ANA1yT[CA[
LAboRAT®RiES, INC.
For: Water Tech Labs, Inc.
P.O. Box 1056
Granite Falls, NC 28630
Attn: Joe Gragg
Report of Analysis
2/23/2015
�p�uu�lrl��i
.` •'' 'Ck
*.
r r/J,. •� A • i
D p..
3�1 NC#34 ��•�
NCM37701
Client Sample ID:
Corning 001
Lab Sample ID:
942-01
Site:
Water Tech Labs
Collection Date:
2/9/2015 12:37 PM
Para retie ' �`.��..�. ,r�z�.�•..,�r
� ��- � , .�•:�-�• "'ft€t' ��Y � �`� n�tst a f::�y
Me hod6 •;, ', fa �t.wa ,Resin D Re (=im1
�, ,�.,•: r '-'batieGCinie
iAnal st iAnal sw
,z
t:
9e ��
Zinc, Total
EPA 200.7
196
ug/L 10
AA 2/16/2015
Copper, Total
SM 3113 B-2004
9,62
ug1L 2
AA 2/1612015
Lead, Total
SM 3113 B-2004
<3.00
ug/L 3
AA 2/16/2015
Client Sample ]D:
Corning 002
Lab Sample ID:
942-02
Site:
Water Tech Labs
Collection Date:
2/9/2015 12:25 PM
R't L'•- a r k �' 'isrs A w e +y�o�RH+.r
�'+. AN—MAR
P51'aits: '` ' .� y�i� ESLUItx""� Urtits� tier Errt�t An l ' Analusis ba ime,
k.
Zinc, Total
EPA 200.7 521
ug/L 10
AA 2/16/2015
Copper, Total
SM 3113 B-2004 21.8
ug/L 2
AA 2/1812015
Lead, Total
SM 3113 B-2004 3,82
ug/L 3
AA 2/16/2015
Client Sample ID: Corning 003
Site: Water Tech Labs
Lab Sample ID: 942-03
Collection Date: 2/9/2015 12:30 PM
Zinc, Total
EPA 200.7
675
ug/L
10
AA
2/16/2015
Copper, Total
SM 3113 B-2004
10.8
ug/L
2
AA
2/1812015
Lead, Total
SM 3113 B-2004
<3.00
ug/L
3
AA
2/16/2015
Client Sample ID:
Corning 004
Lab Sample ID:
942-04
Site:
Water Tech Labs
Collection Date:
2/9/2015 12:47 PM
^Ss•'�*'f' .iPr i 7.` y. :'� - . t` EFr : �! i� L� m —r �!' r • '2.3.. a d.� f F� . w::' I, �.^..._ .. v �, ..�. �.
Zinc, Total
EPA 200.7
262 ug/L 10
AA 2/16/2015
Copper, Total
SM 3113 B-2004
9.82 ug/L 2
AA 2/18/2015
Lead, Total
SM 3113 B-2004
<3.00 ug/L 3
AA 2/16/2015
P.O. Box 473 106 Short Street Kernersville, North Carolina 27284 336-996-2841 Fax [phone] vwvw.randalabs.com
ral cot > asic VlU
NA = not anolyzed
Page 1 of 1

W� [ A ff[E R) - T � En., C -, 1, Rr- I LL A � - B-- � S , I ari e-.,,
5 Pinewood Plaza Drive - P.O. Box 1056
Granite Falls, NC 28630
Phone [phone] -- Fax [phone]
CLIENT: Corning Cable Systems-TC Pit PHONE NUMBER: 828-327-5000
c/o Steve Street TYPE SAMPLE: Stormwater
P.O Box 489 No. LOCATIONS: 6
Hickory, NC 28603-0489 SAMPLER NAME: S
Sample Collection
Information
TYPE
CONTAINERS
ANALYSIS REQUIRED
Sample Location
FacilityName
DATE
TIME
TEMP. °C
Grab/
Composite
No
Plastic/
Glass
Discharge 001
)rr,,��
2)01�
,
f �2 3?
Grab
3
Plastic/
Glass
TSS, Oil & Gr., Lead, Copper, Zinc
Discharge 002
� ohs
ti
%�. a J
Grab
3
Plastic/
Glass
TSS, Oil & Gr., Lead, Copper, Zinc
Discharge 003
S
% �2 , 30
Grab
3
Plastic/
Glass
TSS, Oil & Gr., Lead, Copper, Zinc
Discharge 005
Grab
3
lactic/
Glass
TSS, Oil & Gr., Lead, Copper, Zinc
Relinquished By:
Date:
Time:
Reci ed
Date:
Time:
Rell quished By:
Date:
Time:
Rece' d By:
Date:
Time:
PRESERVATION:
lLsc
j so4
j] Nao
/NO3
j] Dechlornating Agent
Other /
SAMPLE TEMP. @ LAB!,r-Cj
Chlorine Residual CO J mg/1
RECEIVED
P=kMIi 114G
NC CERTIFIED LAB # 50

Semi-annual Stormwater Discharge Monitoring Report
for North Carolina Division of Water Quality General Permit No. NCG030000
Date submitted: 03/20L2015
CERTIFICATE OF COVERAGE NO. NCG030000
FACILITY NAME: Hickory Manufacturingand nd Technology Center
COUNTY: Catawba
PERSON COLLECTING SAMPLES: Steve Street
LABORATORY: Water Tech Labs Lab Cert. # 50
Comments on sample collection or analysis:Click here to enter test.
Part A: Stormwater Benchmarks and Monitoring Results
SAMPLE COLLECTION YEAR: 2015
SAMPLE PERIOD ❑ Jan -June ❑ July -Dec
or ® Monthly' - February
DISCHARGING TO CLASS ❑ORW ❑HQW [-]Trout ❑PNA
❑Zero -flow [:]watersupply []SA
❑Other
PLEASE REMEMBER TO SIGN ON PAGES 2 AND/OR 3 --)
❑ No discharge this period?2
Outfall No.
Date Sample
24-hour rainfall
Total Suspended Solids
PH,
pH,
Copper
Lead
Zinc
O&G/
Total Petroleum
Total Toxic
Collected'
amount,
Standard units
Hydrocarbons
Organics
(mo/dd/yr)
Inches
Benchmarks ==_>
-
-
100 mg/L or 50 mg/L
6.0 - 9.0
0.007 mg/L
0.03 mg/L
0.067 mg/L
15 mg/L
1 mg/L
1
02/09/15
.15"
20.5 mg/1
7.03
.0096 mg/I i
<.003 mg/I
.196 mg/I
<5.6 mg/I
N/A
2
02/09/15
.15"
39 mg/1
6.96
.0218 mg/I
.0038 mg/I
.521 mg/I
<5.6 mg/I
N/A
3
02/09/15
.15"
21.3 mg/1
7.02
.0108 mg/I
<.003 mg/I
.675 mg/I
<5.6 mg/I
N/A
5
02/09/15
.15"
18.5 mg/I
6.85
1 .0098 rng/I
<.003 mg/I
.262 mg/I
<5.6 mg/1
N/A
' Monthly sampling (instead of semi-annual) must begin with the second consecutive benchmark exceedance for the same parameter at the same outfall.
2 For sampling periods with no discharge at any single outfall, you must still submit this discharge monitoring report with a checkmark here.
3The total precipitation must be recorded using data from an on -site rain gauge. Unattended sites may be eligible for a waiver of the rain gauge requirement.
4 See General Permit, Table 3 identifying the especially sensitive receiving water classifications where the more protective benchmark applies.
s Total Toxic Organics sampling is applicable only for those facilities which perform metal finishing operations, manufacture semiconductors, manufacture
electronic crystals, or manufacture cathode ray tubes. For purposes of this permit the definition of Total Toxic Organics is that definition contained in the EPA
Effluent Guidelines for the facility subject to the requirement to sample (for metal finishing use the definition as found in 40 CFR 433.11; for semiconductor
manufacture use the definition as found in 40 CFR 469.12; for electronic crystal manufacture use the definition as found in 40 CFR 469.22; and for cathode ray
tube manufacture use the definition found in 40 CFR 469.31).
© 2015 Coming incorporated. All Rights Reserved.
Permit Date: 11/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 1 of 3

Facilities that incorporate a solvent management plan into the Stormwater Pollution Prevention Plan may so certify, and the requirement for TTO monitoring
may be waived. The solvent management plan shalt include a list of the total toxic organic compounds used and the other elements listed in the General
Permit. For those facilities electing to employ the TTO monitoring waiver, the discharger shall sign the following certification statement:
"Based upon my inquiry of the person or persons directly responsible for managing compliance with the permit monitoring requirement for total toxic organics
(TTO), I certify that to the best of my knowledge and belief, no dumping of concentrated toxic organics into the stormwater or areas which are exposed to rainfall or
stormwater runoff has occurred since filing the last discharge monitoring report. I further certify that this facility is implementing the ail the provisions of the
solvent management plan included in the Stormwater Pollution Prevention Plan."
Name (Print name)
NIA
Title (Print title)
N/A- - - -
(Signature)
(Date)
Note: Results must be reported in numerical format. Do not report Below Detection Limit, BDL, <PQL, Non -detect, ND, or other similar non -numerical
format, When results are below the applicable limits, they must be reported in the format. "<XX me/L", where XX is the numerical value of the detection
limit, reporting limit, etc. in mg/L.
!Vote: If you report a sample value in excess of the benchmark, you must implement Tier 1, Tier 2, or Tier 3 responses. See General Permit text.
Part B: Vehicle Maintenance Area Monitoring Results: only for facilities averaging > 55 gal of new oil per month.
❑ No discharge this period?Z
Outfall Na.
Date Sample
Collected,
(mo/dd/yr)
24-hour rainfall
amount,
Inches
Non -polar O&G/TPH by
EPA 1664 (SGT-HEM)
Total Suspended Solids
pH
Benchmarks =-->
_
-
15 mg/L
100 mg/L or 5o mg/L*
6.0 - 9.0 SU
N/A
N/A
N/A
N/A
N/A
N/A
© 2015 Corning Incorporated. All Rights Reserved.
Permit Date: 11/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 2 of 3

Footnotes from Part A also apply to this Part B
* See General Permit text, Table 5, identifying the especially sensitive receiving water classifications where the more protective benchmark applies.
Note: if you report a sample value in excess of the benchmark, you must implement Tier 1, Tier 2, or Tier 3 responses. See General Permit text.
FOR PART A AND PART B MONITORING RESULTS:
• A BENCHMARK EXCEEDANCE TRIGGERS TIER 1 REQUIREMENTS. SEE PERMIT PART 11 SECTION B.
• 2 EXCEEDANCES IN A ROW FOR THE SAME PARAMETER AT THE SAME OUTFALL TRIGGER TIER 2 REQUIREMENTS. SEE PERMIT PART 11 SECTION B.
• TIER 3: HAS YOUR FACILITY HAD 4 OR MORE BENCHMARK EXCEEDENCES FOR THE SAME PARAMETER AT ANYONE OUTFALL? YES ®NO❑
IF YES, HAVE YOU CONTACTED THE DWQ REGIONAL OFFICE? YES NO ❑
REGIONAL OFFICE CONTACT NAME: Letter sent to Mr. Mike Parker on Mav 7` and November 215`. Discussions also held with Somar Bou-Ghazale.
Mail an original and one copy of this DMR, including all "No Discharge" reports, within 30 days of receipt of the lab results for at end of monitorina period
in the case of "No Discharge" reports) to.
Division of Water Quality
Attn: DWQ Central Files
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
YOU MUST SIGN THIS CERTIFICATION FOR ANY INFORMATION REPORTED:
"I certify, under penalty of law, that this document and all attachments were prepared under my direction or supervision in accordance with a system designed to
assure that qualified personnel properly gather and evaluate the information submitted. Based on my inquiry of the person or persons who manage the system, or
those persons directly responsible for gathering the information, the information submitted is, to the best of my knowledge and belief, true, accurate, and complete.
am aware that there are significant penalties for submitting false information, including the possibility of fines and imprisonment for knowing violations."
(Signature of Permittee) (Date)
© 2015 Corning Incorporated, All Rights Reserved.
Permit Date: 11/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 3 of 3

Mr
Semi-annual Stormwater Discharge Monitoring Report
for North Carolina Division of Water Quality General Permit No. NCG030000
Date submitted: 03 20 201
CERTIFICATE OF COVERAGE NO. NCG030000
FACILITY NAME: Hickory Manufacturing and Technology Center
COUNTY: Catawba
PERSON COLLECTING SAMPLES: Steve Street {,
LABORATORY: Water Tech Labs Lab Cert. # 50�
G
Comments on sample collection or analysis: Results for TSS were �
SAMPLE COLLECTION YEAR: 2015
SAMPLE PERIOD ❑ Jan -June ❑ July -Dec
or ® Monthly' -January
DISCHARGING TO CLASS ❑ORW ❑HQW ❑Trout ❑PNA
❑Zero -flow ❑Water Supply ❑SA
[]Other
incorrectly listed by the laboratory. The TSS data originally provided
for January were the February results. Data for all the other
parameters was correct. This is the revised report.
Part A: Stormwater Benchmarks and Monitoring Results
PLEASE REMEMBER TO SIGN ON PAGES 2 AND/OR 3 4
❑ No discharge this period?Z
Date Sample
24-hour rainfall
pH,
Non -Polar O&G/
Total Toxic
Outfall No.
Collected'
amount,
Total Suspended Solids
Standard units
Copper
Lead
Zinc
Total Petroleum
Organics
(mo/dd/yr)
Inches35
Hydrocarbons
Benchmarks =_->
_
-
100 mg/L or 50 mg/L
6.0 - 9.0
0.007 mg/L
0.03 mg/L
0.067 mg/L
15 mg/L
1 mg/L
1
01/23/15
1"
38.6 mg/l
7.24
.017 mg/I
.0067 mg/I
.553 mg/I
<5.6 mg/I
N/A
2
01/23/15
1"
60 mg/I
6.97
.0316 mg/I
.0098 mg/I
.773 mg/I
<5.6 mg/I
N/A
3
01/23/15
1"
17 mg/I
6.56
.0135 mg/1
.004 mg/I
.544 mg/I
<5.6 mg/I
N/A
5
01/23/15
1"
37.1 mg/I
7.46
.0067 mg/I
<.003 mg/I
.159 mg/I
<5.6 mg/I
N/A
' Monthly sampling (instead of semi-annual) must begin with the second consecutive benchmark exceedance for the same parameter at the same outfall.
Z For sampling periods with no discharge at any single outfall, you must still submit this discharge monitoring report with a checkmark here.
3The total precipitation must be recorded using data from an on -site rain gauge. Unattended sites may be eligible for a waiver of the rain gauge requirement.
4 See General Permit, Table 3 identifying the especially sensitive receiving water classifications where the more protective benchmark applies,
5 Total Toxic Organics sampling is applicable only for those facilities which perform metal finishing operations, manufacture semiconductors, manufacture
electronic crystals, or manufacture cathode ray tubes. For purposes of this permit the definition of Total Toxic Organics is that definition contained in the EPA
Effluent Guidelines for the facility subject to the requirement to sample (for metal finishing use the definition as found in 40 CFR 433.11; for semiconductor
manufacture use the definition as found in 40 CFR 469.12; for electronic crystal manufacture use the definition as found in 40 CFR 469.22; and for cathode ray
tube manufacture use the definition found in 40 CFR 469.31).
© 2015 Corning Incorporated. All Rights Reserved.
Permit pate: 11/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 1 of 3

Facilities that incorporate a solvent management plan into the Stormwater Pollution Prevention Plan may so certify, and the requirement for TTO monitoring
may be waived. The solvent management plan shall include a list of the total toxic organic compounds used and the other elements listed in the General
Permit. For those facilities electing to employ the TTO monitoring waiver, the discharger shall sign the following certification statement:
"Based upon my inquiry of the person or persons directly responsible for managing compliance with the permit monitoring requirement for total toxic organics
(TTO), I certify that to the best of my knowledge and belief, no dumping of concentrated toxic organics into the stormwater or areas which are exposed to rainfall or
Stormwater runoff has occurred since filing the last discharge monitoring report. I further certify that this facility is implementing the all the provisions of the
solvent management plan included in the Stormwater Pollution Prevention Plan."
N/A
Name (Print name)
N/A
Title (Print title)
N/A
(Signature) (Date)
Note: Results must be reported in numerical format. Do not report Below Detection Limit, BDL, <PQL, Non -detect, ND, or other similar non -numerical
format. when results are below the applicable limits, they -must be reported in the format, "<XX mpjr where XX is the numerical value of the detection
limit, reporting limit, etc. in mg/L.
Note: if you report a sample value in excess of the benchmark, you must implement Tier 1, Tier 2, or Tier 3 responses. See General Permit text.
Part B: Vehicle Maintenance Area Monitoring Results: only for facilities averaging > 55 gal of new oil per month.
❑ No discharge this period?'
Outfall No.
Date Sample
Collected'
(mo/dd/yr)
24-hour rainfall
amount,
Inches3
Non -polar O&G/TPH by
EPA 1664 (SGT-HEM)
Total Suspended Solids
pH
Benchmarks ===>
_
-
15 mg/L
100 mg/L or 50 mg/L*
6.0 — 9.0 sU
N/A
N/A
N/A
N/A
N/A
N/A
O 2015 Corning Incorporated. All Rfghts Reserved,
Permit Date: 11/1/2012-10/31/2017 5WU-245, last revised 10/25/2012
Page 2 of 3

Footnotes from Part A also apply to this Part B
* See General Permit text, Table 5, identifying the especially sensitive receiving water classifications where the more protective benchmark applies.
Note: if you report a sample value in excess of the benchmark, you mast implement Tier I, Tier Z or Tier 3 responses. See General Permit text.
FOR PART A AND PART B MONITORING RESULTS:
• A BENCHMARK EXCEEDANCE TRIGGERS TIER > REQUIREMENTS. SEE PERMIT PART II SECTION B.
+ 2 EXCEEDANCES IN A ROW FOR THE SAME PARAMETER AT THE SAME OUTFALL TRIGGER TIER 2 REQUIREMENTS. SEE PERMIT PART II SECTION B.
• TIER 3: HAS YOUR FACILITY HAD 4 OR MORE BENCHMARK EXCEEDENCES FOR THE SAME PARAMETER AT ANY ONE OUTFALL? YES ® NO❑
IF YES, HAVE YOU CONTACTED THE DWQ REGIONAL OFFICE? YES NO ❑
REGIONAL OFFICE CONTACT NAME: Letter sent to Mr. Mike Parker on May 7` and November 21'` . Discussions also held with Somar Bou-Ghazale.
Mail an oriainal and one copv of this DMR, including all "No Discharae" reports, within 30 days of receipt of the lab results for at end of monitoring period
in the case of "No Discharge" reports) to:
Division of Water Quality
Attn: DWQ Central Files
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
YOU MUST SIGN THIS CERTIFICATION FOR ANY INFORMATION REPORTED:
"I certify, under penalty of law, that this document and all attachments were prepared under my direction or supervision in accordance with a system designed to
assure that qualified personnel properly gather and evaluate the information submitted. Based on my inquiry of the person or persons who manage the system, or
those persons directly responsible for gathering the information, the information submitted is, to the best of my knowledge and belief, true, accurate, and complete. I
am aware that there are significant penalties for submitting false information, including the possibility of fines and imprisonment for knowing violations."
(Signature of Permittee)
3/z- 3 /to/S--
(Date)
OO 2015 Corning Incorporated. All Rights Reserved.
Permit Date: 11/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 3 of 3

s
uRrm T=H LONS.Inc.
POST OFFICE BOX 1056 • 45 PINEWOOD PLAZA DFL
GRANITE FALLS, NORTH CAROLINA 28630
[phone]
SAMPLE., Coming Optical (001) COLLECTIONDATE: 1/23/2015
PERMIT #: COLLECTION TIME: 09:12
ADDRESS: Corning Optical RECEIVED DATE: 1/23/2015
P.O. Box 489 RECEIVED TIME: 11:35
Hickory, NC 28603-0489
REPORTED: 3/19/2015
ANALysis.``.
ANALYSIS
RESULTS
UNITS
DATE ANALYST
Lead
0.00669
mg/L
219/15
TSS
38.6
mg/L
1 t27115 jrg
Copper
0.0166
mg/L
2/6115
Zinc
0.553
mg1L
1130/15
Oil & Grease
<5.6
mg/L
1/23/15 jdg
LOG ID: 1501-388 REPORTED BY: NC CERTIFIED LAB # 50
ffill 60"
Tony Gragg, Lab Supervisor

Uff rERimCH LJTRZ.[,,c.
POST OFFICE BOX 1056 - #5 PINEWOOD PLAZA DR.
GRANITE FALLS, NO" CAROLINA 28630
[phone]
SAMPLE: Corning Optical (002) COLLECTION DATE. 1/23/2015
PERMIT #: COLLECTION TIME., 09:07
ADDRESS:. Corning Optical RECEIVED DATE: 1/23/2015
P.0, Box 489 RECEIVED TIME: 11:36
Hickory, NC 28603-0489
REPORTED: 3/19/2015
REVISED
-ANALYSIS
ANALYSIS
RESULTS
UNITS
DATE ANALYST
Lead
0.00876
mg/L
219/15
TSS
60.0
mg/L
1/27/15 irg
Copper
0,0316
mg/!.
216/16
.Zinc
0.773
mg/L
IY30/15
Oil & Grease
<5.6
mg/L
1/23/15 jdg
LOG ID: 1501-389 REPORTED BY: NC CERTIFIED LAB # 50
S *
Tony Gragg, Lab Supervisor

HJTTffR4rffrN LANS.Inc.
POST OFFicE aOx im • #5 PINEWOOD PLAZA DR. REVISED
GRANITE FALLS, NORTH CAROLINA 28630
[phone]
SAMPLE: Corning Optical (003) COLLECTION DATE: 1 /23/2015
PERMIT #: COLLECTION TIME: 09:03
ADDRESS: Corning Optical RECEIVED DATE: 1/23/2015
P.O. Box 489 RECEIVED TIME: 11:35
Hickory, NC 28603-0489
REPORTED: 3/1912015
ANAL YSlS ..;
ANALYSIS
RESULTS
UNITS
DATE ANALYST
Lead
0.00404
mg/L
219I15
TSS
17.0
mg/L
1/27115 jrg
Copper
0.0135
mg1L
216I15
Zinc
0.544
mg1L
1130115
011 & Grease
c5.6
mg/L
1123115 jdg
LOG ID: 1501-390 REPORTED BY: NC CERTIFIED LAB # 50
ff�
Tony Gragg, Lab Supervisor

I nrarimCH LABS,Inc.
POST OFFICE BOX 1056 • 45 PINEWOOD PLAZA DR. REVISED
GRANITE FALLS, NORTH CAROLINA 28630
[phone]
SAMPLE: Corning Optical (005) COLLECTION DATE: 1/23/2015
PERMIT #: COLLECTION TIME: 09:25
ADDRESS: Corning Optical RECEIVED DATE: 1/23/2015
P.O. Box 489 RECEIVED TIME: 11:35
Hickory, NC 28603-0489
REPORTED: 3/19/2015
ANAL PSIS :..
ANALYSIS
RESULTS
UNITS
DATE ANALYST
Lead
<0.003
mglL
219115
TSS
37.1
mg1L
1127115 irg
Copper
0.0067
mglL
2/6/15
Zinc
0.159
mglL
1/30115
Oil 8 Grease
<5.6
mglL
1/23/15 jdg
LOG ID: 1501-391 REPORTED BY: NC CERTIFIED LAB # 50
fm� *
Tony Gragg, Lab Supervisor

Sr.Steve
EHSStreet
CORNING Coordinator Technol gy Ce teuring and f 828-901-5665
PO Box 489 [e-mail]
Hickory, NC 28603 www.corning.com
March 20, 2015 pp
R Ec% r- Vl
Division of Energy, Mineral, and Land Resources ri; 15
Attn. DWQ Central Files a z�1i
1612 Mail Service Center
Raleigh, North Carolina 27699-1612 x�Rft.`t'�ArL�nivi,; Y
Dear Sir/Madam:
Please find enclosed an original and one (1) copy of the Stormwater Discharge Monitoring
Report for Corning Optical Communications, LLC — Hickory Manufacturing and Technology
Center (HMTC) located in Hickory, Catawba County, North Carolina. The stormwater
samples were collected on 02/09/2015 for all permitted outfalls and represent the monthly
sample as specified in the Tier Il requirements of HM7'C's stormwater permit.
The results are mixed and reflect HMTC to be outside the benchmark value for the following
parameters:
Copper — Stormwater Outfall 1, 2, 3, and 5
Zinc — Stormwater Outfall 1, 2, 3, and 5
Additional attachments include the Laboratory Analytical Report, Chain -of -Custody, and the
Qualitative Monitoring Report.
Also enclosed is the revised DMR report for January. The revision is a result of a clerical
error that occurred at the laboratory. The laboratory had inadvertently transposed the TSS
results for February onto the January report. All other data listed on the January DMR report
was correct.
Please contact me if you have any questions at 828-901-6695.
Sincerely,
Stephen L Street
Senior Environmental, Health and Safety Coordinator
attachments
@ 2015 Corning Incorporated. All Rights Reserved.

Semi-annual Stormwater Discharge Monitoring Report RECEIVED
for North Carolina Division of Water Quality General Permit No. NCG030000
NC61-63 oa Date submitted: 03/11/2015 MAR 16 2015
bEl1'R,LAs%1D 0; j �
CERTIFICATE OF COVERAGE NO. NCG030000 SAMPLE COLLECTION YEA i�
FACILITY NAME: Hickory Manufacturing and Technology Center
COUNTY: Catawba
PERSON COLLECTING SAMPLES: Steve Street
LABORATORY: Water Tech Labs Lab Cert. # 50
Comments on sample collection or analysis:
Part A: Stormwater Benchmarks and Monitoring Results
2015 ,T0RMyi'P,71rR PE
SAMPLE PERIOD ❑ Jan -Jun July -Dec F14' I Tir�
or ® Monthly' —January
DISCHARGING TO CLASS ❑ORW ❑HQW ❑Trout ❑PNA
❑Zero -flow ❑Water Supply ❑SA
❑Other
PLEASE REMEMBER TO SIGN ON PAGES 2 AND/OR 3 4
❑ No discharge this period?2
17m
Date Sample
24-hour rainfall
pH,
Non -Polar O&G/Total
Toxic
Outfall No.
Collected'
amount,
Total Suspended Solids
Standard units
Copper
Lead
Zinc
Total Petroleum
Organics
(mo/dd/yr)
Inches3
Hydrocarbons
Benchmarks =__>
-
-
100 mg/L or 50 mg/L
6.0 — 9.0
0.007 mg/L
0.03 mg/L
0.067 mg/L
15 mg/L
1 mg/L
1
01/23/15
1"
20.5 mg/I
7.24
.017 mg/I
.0067 mg/1
.553 mg/I
<5.6 mg/1
N/A
2
01/23/15
1"
39 mg/I
6.97
.0316 mg/I
.0088 mg/I
.773 mg/l
<5.6 mg/1
N/A
3
01/23/15
1"
21.3 mg/I
6.56
.0135 mg/I
.004 mg/1
.544 mg/1
<5.6 mg/1
N/A
5
01/23/15
1"
18.5 mg/I
7.46
.0067 mg/I
1 <.003 mg/I
.159 mg/I 1
<5.6 mg/I
N/A
' Monthly sampling (instead of semi-annual) must begin with the second consecutive benchmark exceedance for the same parameter at the same outfall.
2 For sampling periods with no discharge at any single outfall, you must still submit this discharge monitoring report with a checkmark here.
3The total precipitation must be recorded using data from an on -site rain gauge. Unattended sites may be eligible for a waiver of the rain gauge requirement.
4 See General Permit, Table 3 identifying the especially sensitive receiving water classifications where the more protective benchmark applies.
5 Total Toxic Organics sampling is applicable only for those facilities which perform metal finishing operations, manufacture semiconductors, manufacture
electronic crystals, or manufacture cathode ray tubes. For purposes of this permit the definition of Total Toxic Organics is that definition contained in the EPA
Effluent Guidelines for the facility subject to the requirement to sample (for metal finishing use the definition as found in 40 CFR 433.11; for semiconductor
manufacture use the definition as found in 40 CFR 469.12; for electronic crystal manufacture use the definition as found in 40 CFR 469.22; and for cathode ray
tube manufacture use the definition found in 40 CFR 469.31).
© 2015 Corning Incorporated. All Rights Reserved.
Permit Date: 11/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 1 of 3

Facilities that incorporate a solvent management plan into the Stormwater Pollution Prevention Plan may so certify, and the requirement for TTO monitoring
may be waived. The solvent management plan shall include a list of the total toxic organic compounds used and the other elements listed in the General
Permit. For those facilities electing to employ the TTO monitoring waiver, the discharger shall sign the following certification statement:
"Based upon my inquiry of the person or persons directly responsible for managing compliance with the permit monitoring requirement for total toxic organics
(TTO), I certify that to the best of my knowledge and belief, no dumping of concentrated toxic organics into the stormwater or areas which are exposed to rainfall or
stormwater runoff has occurred since filing the last discharge monitoring report. I further certify that this facility is implementing the all the provisions of the
solvent management plan included in the stormwater Pollution Prevention Plan."
N/A
Name (Print name)
N/A
Title (Print title) —
NIA _
(Signature) (Date)
Note: Results must be reported in numerical format. Do not report Below Detection Limit, BDL, <PQL, Non -detect, ND, or other similar non -numerical
format. When results are below the applicable limits, they must be reported in the format, "<XX mg/L", where XX is the numerical value of the detection
limit, reporting limit, etc. in mg/L.
Note: if you report a sample value in excess of the benchmark, you must implement Tier 1, Tier 2, or Tier 3 responses. See General Permit text.
Part B: Vehicle Maintenance Area Monitoring Results: only for facilities averaging > 55 gal of new oil per month.
❑ No discharge this period?2
Outfall No.
Date Sample
Collected'
(mo/dd/yr)
24-hour rainfall
amount,
Inches;
Non -polar O&G/TPH by
EPA 1664 (SGT-HEM)
Total Suspended Solids
pH
Benchmarks =__>
_
-
15 mg/L
100 mg/L or 50 mg/L*
6.0 — 9.0 SU
N/A
N/A
N/A
N/A
N/A
N/A
© 2015 Corning Incorporated. All Rights Reserved.
Permit Date: 11/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 2 of 3

Footnotes from Part A also apply to this Part B
* See General Permit text, Table 5, identifying the especially sensitive receiving water classifications where the more protective benchmark applies.
Note. If you report a sample value in excess of the benchmark, you must implement Tier 1, Tier 2, or Tier 3 responses. See General Permit text.
FOR PART A AND PART B MONITORING RESULTS:
• A BENCHMARK EXCEEDANCE TRIGGERS TIER 1 REQUIREMENTS. SEE PERMIT PART II SECTION B.
• 2 EXCEEDANCES IN A ROW FOR THE SAME PARAMETER AT THE SAME OUTFALL TRIGGER TIER 2 REQUIREMENTS. SEE PERMIT PART II SECTION B.
• TIER 3: HAS YOUR FACILITY HAD 4 OR MORE BENCHMARK EXCEEDENCES FOR THE SAME PARAMETER AT ANY ONE OUTFALL? YES ® NO❑
IF YES, HAVE YOU CONTACTED THE DWQ REGIONAL OFFICE? YES NO ❑
REGIONAL OFFICE CONTACT NAME: Letter sent to Mr. Mike Parker on Mav 7` and November 21". Discussions also held with Somar Sou-Ghazale.
Mail an on inal and one cogy of this DMR including all "No Discharge" reports, within 30 days of receipt of the lob results or at end of monitoring eriod
in the case of "No Discharge" morts) to:
Division of Water Quality
Attn: DWQ Central Files
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
YOU MUST SIGN THIS CERTIFICATION FOR ANY INFORMATION REPORTED:
"I certify, under penalty of law, that this document and all attachments were prepared under my direction or supervision in accordance with a system designed to
assure that qualified personnel properly gather and evaluate the information submitted. Based on my inquiry of the person or persons who manage the system, or
those persons directly responsible for gathering the information, the information submitted is, to the best of my knowledge and belief, true, accurate, and complete.
am aware that there are significant penalties for submitting false information, including the possibility of fines and imprisonment for knowing violations."
(Signature of Permittee) (Date)
© 2015 Corning Incorporated. All Rights Reserved.
Permit Date: 11/l/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 3 of 3

Semi-annual Stormwater Discharge Monitoring Report
for North Carolina Division of Water Quality General Permit No. NCG030000
Date submitted. 03 11 2015
CERTIFICATE OF COVERAGE NO. NCG030000
FACILITY NAME: Hickory Manufacturing and Tech_ nologv Center
COUNTY: Catawba
PERSON COLLECTING SAMPLES: Steve Street
LABORATORY: Water Tech Labs Lab Cert. # 50
Comments on sample collection or analysis:
Part A: Stormwater Benchmarks and Monitoring Results
SAMPLE COLLECTION YEAR: 2015
SAMPLE PERIOD ❑ Jan -June ❑ July -Dec
or R Monthly' --January
DISCHARGING TO CLASS ❑ORW ❑HQW ❑Trout ❑PNA
[]Zero -flow []WaterSupply ❑SA
❑Other
PLEASE REMEMBER TO SIGN ON PAGES 2 AND/OR 3 4
❑ No discharge this period?z
Date Sample
24rainfall
pH,
Non-Polar O&G/hour
Total Toxic
Outfall No.
Collected'
amount,
Total Suspended Solids
Standard units
Copper
Lead
Zinc
Total Petroleum
Organicss
(mo/dd/yr)
Inches3
Hydrocarbons
Benchmarks
100 mg/L or 50 mg/L
6.0 -- 9.0
0.007 mg/L
0.03 mg/L
0.067 mg/L
15 mg/L
i mg/L
1
01/23/15
1"
20.5 mg/I
7.24
.017 mg/I
.0067 mg/I
.553 mg/I
<5.6 mg/I
N/A
2
01/23/15
1"
39 mg/1
6.97
.0316 mg/I
.0088 mg/I
.773 mg/I
<5.6 mg/I
N/A
3
01/23/15
1"
21.3 mg/I
6.56
.0135 mg/l
.004 mg/I
.544 mg/I
<5.6 mg/I
N/A
5
01/23/15
1"
18.5 mg/I
7.46
.0067 mg/I
<.003 mg/l
.159 mg/I
1 <5.6 mg/I
N/A
1 Monthly sampling (instead of semi-annual) must begin with the second consecutive benchmark exceedance for the same parameter at the same outfall.
z For sampling periods with no discharge at any single outfall, you must still submit this discharge monitoring report with a checkmark here.
3 The total precipitation must be recorded using data from an on -site rain gauge. Unattended sites may be eligible for a waiver of the rain gauge requirement.
"See General Permit, Table 3 identifying the especially sensitive receiving water classifications where the more protective benchmark applies.
5 Total Toxic Organics sampling is applicable only for those facilities which perform metal finishing operations, manufacture semiconductors, manufacture
electronic crystals, or manufacture cathode ray tubes. For purposes of this permit the definition of Total Toxic Organics is that definition contained in the EPA
Effluent Guidelines for the facility subject to the requirement to sample (for metal finishing use the definition as found in 40 CFR 433.11; for semiconductor
manufacture use the definition as found in 40 CFR 469.12; for electronic crystal manufacture use the definition as found in 40 CFR 469.22; and for cathode ray
tube manufacture use the definition found in 40 CFR 469,31).
© 2015 Corning Incorporated, All Rights Reserved.
Permit Date: 11/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 1 of 3

Facilities that incorporate a solvent management plan into the Stormwater Pollution Prevention Plan may so certify, and the requirement for TTO monitoring
may be waived. The solvent management plan shall include a list of the total toxic organic compounds used and the other elements listed in the General
Permit. For those facilities electing to employ the TTO monitoring waiver, the discharger shall sign the following certification statement:
"Based upon my inquiry of the person or persons directly responsible for managing compliance with the permit monitoring requirement for total toxic organics
(TTO), I certify that to the best of my knowledge and belief, no dumping of concentrated toxic organics into the stormwater or areas which are exposed to rainfall or
stormwater runoff has occurred since filing the last discharge monitoring report. I further certify that this facility is implementing the all the provisions of the
solvent management plan included in the Stormwater Pollution Prevention Plan."
NA
Name (Print name)
N/A
Title (Print title)
(Signature)
(Date)
Note: Results must be reported in numerical format. Do not report Below Detection Limit, BDL, <PQL, Non -detect, ND, or other similar non -numerical
format. When results are below the applicable limits, they must be reported in the format, "<XX me/0, where XX is the numerical value of the detection
limit, reporting limit, etc. in mg/L.
Note: if you report a sample value in excess of the benchmark, you must implement Ter 1, Tier 2, or Tier 3 responses. See General Permit text.
Part B: Vehicle Maintenance Area Monitoring Results: only for facilities averaging > 55 gal of new oil per month.
❑ No discharge this period?Z
Outfall No.
Date Sample
Collected'
(mo/dd/yr)
24-hour rainfall
amount,
Inches
Non -polar O&G/TPH by
EPA 1664 (SGT-HEM)
Total Suspended Solids
pH
Benchmarks ===>
_
-
15 mg/L
100 mg/L or 50 mg/L*
6.0 — 9.0 SU
N/A
N/A
N/A
N/A
N/A
N/A
© 2015 Corning Incorporated. All Rights Reserved.
Permit Date: 11/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 2 of 3

Footnotes from Part A also apply to this Part B
• See General Permit text, Table 5, identifying the especially sensitive receiving water classifications where the more protective benchmark applies.
Note: If you report a sample value in excess of the benchmark, you must implement Tier 1, Tier 2, or Tier 3 responses. See General Permit text.
FOR PART A AND PART B MONITORING RESULTS:
• A BENCHMARK EXCEEDANCE TRIGGERS TIER 1 REQUIREMENTS. SEE PERMIT PART II SECTION B.
• 2 EXCEEDANCES IN A ROW FOR THE SAME PARAMETER AT THE SAME OUTFALL TRIGGER TIER 2 REQUIREMENTS. SEE PERMIT PART It SECTION B.
• TIER 3: HAS YOUR FACILITY HAD 4 OR MORE BENCHMARK EXCEEDENCES FOR THE SAME PARAMETER AT ANYONE OUTFALL? YES ®NO❑
IF YES, HAVE YOU CONTACTED THE DWQ REGtONAL OFFICE? YES � NO ❑
REGIONAL OFFICE CONTACT NAME: Letter sent to Mr. Mike Parker on May 7` and November 215' . Discussions also held with Somar Bou-Ghazale.
Mail an o6gina! and one copy of this DMR including all "No Discharge" reports, within 30 days of receipt of the lab results !or at end of monitoring period
in the case of "No Discharae" reports) to:
Division of Water Quality
Attn: DWQ Central Files
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
YOU MUST SIGN THIS CERTIFICATION FOR ANY INFORMATION REPORTED:
"I certify, under penalty of law, that this document and all attachments were prepared under my direction or supervision in accordance with a system designed to
assure that qualified personnel properly gather and evaluate the information submitted. Based on my inquiry of the person or persons who manage the system, or
those persons directly responsible for gathering the information, the information submitted is, to the best of my knowledge and belief, true, accurate, and complete
am aware that there are significant penalties for submitting false information, including the possibility of fines and imprisonment for knowing violations."
(Signature of Permittee)
(Date)
© 2015 Corning Incorporated. All Rights Reserved.
Permit Date: 11/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 3 of 3

AAL774j�"-
NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
Forguidance onfilling out this form, please visit: httR//portal.ncdenr.org"weE��ww�%su/r�pdess_w#eab 4
Permit No.: N/C/ 0//0/0/0/0/0/ or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and Technology Center - Corning Optical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Steve Street
Date of Inspection: 01123115
Time of Inspection: 9:12 am
Total Event Precipitation (inches): 1"
Was this a 'Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
© Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event' is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature'certjl3rthat this rep9rfis accurate and complete to the best of my knowledge:
-
(Signature of Permittee or Designee)
0 2015 Corning Incorporated. All Rights Reserved.
Pagel of 2
SWU-242, Last modified 10/25/2012

1. Outfall Description:
Outfall No. 001 Structure (pipe, ditch, etc.) Pine
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: Reel storage, solid
waste containers designated for landfill, hazardous waste storage, and R&D_buildina.
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Color was clear.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
P1 2 3 4 5
S. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
1 Q 3 4 5
7. Is there any foam in the stormwater discharge? Yes
S. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious indicators of Stormwater pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
© 2015 Corning Incorporated. All Rights Reserved.
Page 2 of 2
sWU-242, Last modified 10/25/2012

ALFtIF,
NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
Forguidance on filling out this form, please visit. httl2:/lportal.ncdenr.org/web/wQ/ws/su/npdessw#tab--1
Permit No.: N/C/ 0/ 3/0/0/0/0/0/ or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and Technology Center - Corning Optical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Steve Street
Date of Inspection: 0_ 1/23115
Time of Inspection: :07 am
Total Event Precipitation (inches):1"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
Ryes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
jQualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
i some permits do not have this requirement. Please refer to these definitions, if applicable.
i
I
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
I
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfali. The previous measurable storm event must have been at least 72 hours
i prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Offices
By this signature, Lcertify-that this repott is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
© 2015 Corning Incorporated. All Rights Reserved.
Page 1 of 2
SWU-242, Last modified 10/25/2012

1. Outfall Description:
Outfall No. 002 Structure (pipe, ditch, etc.) Pipe
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: Solid waste containers
designated for landfill, metal recycling container, and chemical stoarage area (covered].
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Discharge was light gray.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odors were present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
1 Q2 3 4 5
5. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
Q 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
01 2 3 4 5
7. Is there any foam in the stormwater discharge? Yes No
B. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
© 2015 Corning Incorporated. All Rights Reserved.
Page 2 of 2
SWU-242, Last modified 10/25/2012

NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
Forguidance on filing out thisform, please visit: hUp://portal.ncdenr.org/web/wglws/su/npdessw#tab-4
Permit No.: N/C/ 0/ 3/Q/0/0/0/0/ or Certificate of Coverage No.:
Facility Name: Hicko Manufacturing and Techn l Center - Corningtica] mmunications
County: Catawba Phone No.: 828-901-6695
Inspector: Steve S reet
Date of Inspection: 01123115
Time of Inspection: 9:03 am
Total Event Precipitation (inches). 1"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
®Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
I
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
I permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature, l.eertify tgat this reports' accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
© 2015 Corning Incorporated. All Rights Reserved.
Page 1 of 2
SWU-242. Last modified 10/25/2012

1. Outfall Description:
Outfall No. 003 Structure (pipe, ditch, etc.) Pine
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: Reel storage, machine
shop, and warehouse.
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Discharge was clear.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
Q1 2 3 4 5
S. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
0 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
Q 2 3 4 5
7. Is there any foam in the stormwater discharge? Yes No
S. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
© 2015 Corning Incorporated. All Rights Reserved.
Page 2 of 2
5WU-242, Last modified 10/25/2012

�0IFJ
yn
NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
For guidance on filling out this form, please visit: http_//portal.ncden norg/web/wq /ws/suInI2dessw#tab-4
Permit No.: N/C/ 0/ 3/Q/Q/0/0/Q/ or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and Technology Center - Corning Optical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Steve Street
Date of Inspection: 01123115
Time of Inspection: 8:57 am
Total Event Precipitation (inches): 1"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
® Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event' is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signa e, drtify the is report is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
© 2015 Corning Incorporated. All Rights Reserved.
Pagel of 2
swu-242, Last modified 10/25/2012

I. Outfall Description:
Outfall No. 004 Structure (pipe, ditch, etc.) Pine
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: No industrial activities,
only a warehouse.
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Color was clear.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
n1 2 3 4 5
S. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
n1 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
01 2 3 4 5
7. Is there any foam in the stormwater discharge? Yes No
8. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfali? Yes Na
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
© 2015 Corning Incorporated. All Rights Reserved.
Page 2 of 2
SWU-242, Last modified 10/25/2012

NCDENR
Stormwater Discharge Uutfall (SDO)
Qualitative Monitoring Report
For guidance on filling out thisforrn, please visit. http://portal.ncdenr.org/web/wq/ws/su/npde5sw#tab-4
Permit No.: 1V/C/ D/ 3/0/0/0/D/0/ or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and Technology Center_- Corning Optical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Steve Street
Date of Inspection: 01/23115
Time of Inspection: 9:25 am
Total Event Precipitation (inches): 1"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
®Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
j Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
I some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
i interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature, Lcertify that this repo s, accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
© 2015 Corning Incorporated. All Rights Reserved.
Pagel of 2
SWU•242, last modifted 10/25/2012

1. Outfall Description:
Outfall No. 005 Structure (pipe, ditch, etc.) PjDe
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: Manufacture of fibr
optic cable and warehouse.
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Color was clear.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
0 2 3 4 5
5. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
Q 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
0 2 3 4 5
7. Is there any foam in the stormwater discharge? Yes No
8. Is there an oil sheen in the stormwater discharge? Yes N�a
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
© 2015 Corning Incorporated. All Rights Reserved.
Page 2 of 2
5WU-242, Last modified 10/25/2012

wArmircCH LADs.►nc.
POST OFFICE SOX 1056 • #5 PINEWOOD PLAZA DR.
GRANITE FALLS, NORTH CAROLINA 28630
[phone]
SAMPLE: Corning Optical #east UP COLLECTION DATE:
1/23/2015
PERMIT #: COLLECTION TIME:
08:50
ADDRESS: RECEIVED DATE:
1/23/2015
RECEIVED TIME.
11:35
REPORTED:
2/16/2015
ANALYSIS --
ANALYSIS RESULTS UNITS DATE ANALYST
Copper 0,00489 mg1L 216115
Zinc 0.0101 mg/L 1I30115
LOG 1D: 1501-392 REPORTED BY: NC CERTIFIED LAB # 50
fllll�
Tony Gragg, Lab Supervisor

14RTERiTECH MINS.Inc.
POST OFFICE BOX 1056 • #5 PINEWOOD PLAZA DR.
GRANITE FALLS, NORTH CAROLINA 28630
[phone]
SAMPLE: Corning Optical #east DOWN COLLECTION DATE: 1/23/2015
PERMIT #: COLLECTION TIME: 09:15
ADDRESS: RECEIVED DATE: 1/2312015
RECEIVED TIME: 11:35
REPORTED: 2/16/2015
ANAL PSIS _7
ANALYSIS RESULTS UNITS DATE ANALYST
Copper 0.00568 mg1L 216115
Zinc 0.0995 mg1L 212115
LOG ID: 1501-393 REPORTED BY: NC CERTIFIED LAB # 50
fbl� *
Tony Gragg, Lab Supervisor

m9rcRiTFCH LAAS.Inc.
POST OFFICE BOX 1056 • #5 PINEWOOD PLAZA DR.
GRANITE FALLS, NORTH CAROLINA 2800
[phone]
SAMPLE: Corning Optical (001) COLLECTION DATE: 2/9/2015
PERMIT #: COLLECTION TIME: 12:37
ADDRESS: Corning Optical RECEIVED DATE: 2/9/2015
P.O. Box 489 RECEIVED TIME: 13:52
Hickory, NC 28603-0489
REPORTED: 2/16/2015
ANALYSIS
ANALYSIS
RESULTS
UNITS
DATE ANALYST
Lead
0A0669
mg1L
2/9115
TSS
20.5
mg/L
2/10l15 jrg
Copper
0.0166
mg1L
2/6/15
Zinc
0.553
mg/L
1/30115
Oil & Grease
<5.6
mg/L
2/9115 jdg
LOG ID: 1502-111 REPORTED BY: NC CERTIFIED LAB # 50
ff�
Tony Gragg, Lab Supervisor

URTERi- MCH LRESAC.
POST OFFICE BOX 1056 • #5 PINEWOOD PLAZA DR.
GRANITE FALLS, NORTH CAROLINA 28630
[phone]
SAMPLE: Corning Optical (002) COLLECTION DATE: 2/9/2015
PERMIT #: COLLECTION TIME: 12:25
ADDRESS: Corning Optical RECEIVED DATE: 2/9/2015
P.O. Box 489 RECEIVED TIME: 13:52
Hickory, NC 28603-0489
REPORTED: 2/ 16/2015
--
ANALYSIS
ANALYSIS
RESULTS
UNITS
DATE ANALYST
Lead
0.00876
mg/L
2/9/15
TSS
39.0
mg/L
2110/15 jrg
Copper
0.0316
mg/L
216/15
Zinc
0.773
mg/L
1130/15
Oil & Grease
<5.6
mg/L
2/9/15 jdg
LOG 1D: 1502-112 REPORTED BY. NC CERTIFIED LAB # 50
fall�
Tony Gragg, Lab Supervisor

WRrmireCH LRff:.lnc.
POST OFFICE BOx 1056 • #5 PINEWOOD PLAZA DR.
GRANITE FALLS, NORTH CAROLINA 28630
[phone]
SAMPLE: Corning Optical (003) COLLECTION DATE: 2/9/2015
PERMIT* COLLECTION TIME: 12:30
ADDRESS: Corning Optical RECEIVED DATE: 2/9/2015
P.O. Box 489 RECEIVED TIME: 13:52
Hickory, NC 28603-0489
REPORTED: 2/16/2015
-- --
-ANALYSIS
--
ANALYSIS
RESULTS
UNITS
DATE ANALYST
Lead
0.00404
mg1L
2/9115
TSS
21.3
mg1L
2/10115 jrg
Copper
0.0135
mg1L
216115
Zinc
0.544
mg1L
1/30115
Oil & Grease
<5.6
mg1L
2l9115 jdg
LOG ID: 1502-113 REPORTED BY: NC (CERTIFIED LAB # 50
ff� �� f
Tony Gragg, Lab Supervisor

WRTERi—MCH LR®5.Inc.
POST OFFICE BOX 1056 - #5 PINEWOOD PLAZA DR.
GRANITE FALLS, NORTH CAROLINA 28630
[phone]
SAMPLE: Corning Optical (005) COLLECTION DATE: 2/9/2015
PERMIT #: COLLECTION TIME: 12:47
ADDRESS: Corning Optical RECEIVED DATE: 2/9/2015
P,O. Box 489 RECEIVED TIME: 13:52
Hickory, NC 28603-0489
REPORTED: 2/ 16/2015
---
ANALYSIS
ANALYSIS
RESULTS
UNITS
DATE ANALYST
Lead
<0.003
mg/L
2/9/15
TSS
18.5
mg/L
2110/15 jrg
Copper
0.0067
mg/L
216/15
Zinc
0.159
mg/L
1130/15
Oil & Grease
<5.6
mg/L
2/9115 jdg
LOG 1D: 1502-114 REPORTED BY: NC CERTIFIED LAB # 50
fal� � G P
Tony Gragg, Lab Supervisor

RESEARCh ANA YTiCA[
LA ORAT®RiES, INC.
For: Water Tech Labs, Inc.
P.O. Box 1056
Granite Falls, NC 28630
Attn: Joe Gragg
Report of Analysis
2/13/2O15
t6111111111
:sn NC#34
NC 937701 '•
'
Client Sample ID:
Coming 001
Lab Sample ID:
368-02
Site:
Water Tech Labs
Collection Date:
1/232015 9:12 AM
Paratneier
,: �
; i 14atethod �,': a �,
`�,
;;���Analvst'�'Anais►sis�DatelTime
,^:
�a,, . } ,,. �,;��Result�„;;,[Jn�ts��?°kep�Limit
Zinc, Total
EPA 200.7
553
ug/L 10
AA 1/30/2015
Copper, Total
SM 3113 B-2004
16.6
ug/L 2
AA 2/6/2015
Lead, Total
SM 3113 B-2004
6.69
ug/L 3
AA 2/9/2016
Client Sample ID-.
Coming 002
Lab Sample ID:
368-03
Site:
Water Tech Labs
Collection Date.
1/23/2015 9:07 AM
t?ar`aineter
�.. IUt-thod -
M A gResuli tJnfts ?$'Reo:Limit`> 5 Ariatyst Anal�isisDatelTime
_ ..,.. . ,..:
,
i
Zinc, Total
EPA 200.7
773
ug/L 10
AA 1/3012015
Copper, Total
SM 3113 B-2004
31.6
ug/L 2
AA 2/6/2015
Lead, Total
SM 3113 B-2004
8,76
ug1L 3
AA 2/9/2015
Client Sample ID:
Coming 003
Lab Sample ID:
368-04
Site:
Water Tech Labs
Collection Date:
1/23/2015 9.03AM
t'aramete
a
iMethod-71
Result itJnits� ; RepiLimit,�
n
;. iAbal ` � Analysis Dati�lTime:
Zinc, Total
EPA 200.7
544
ug/L 10
AA 1/3012015
Copper, Total
SM 3113 B-2004
13.5
ug/L 2
AA 2/6/2015
Lead, Total
SM 3113 B-2004
4.04
ug1L 3
AA 2/9/2015
Client Sample ID: Coming OM
Site: Water Tech Labs
Lab Sample ID: 368-05
Collection Date: 1/23/2015 9:25 AM
Zinc, Total
EPA 200.7
159
ug/L
10
AA
1/3012015
Copper, Total
SM 3113 B-2004
6.70
ug/L
2
AA
2/6/2015
Lead, Total
SM 3113 B-2004
<3.00
ug/L
3
AA
2/912015
P.O. Box 473 106 Short Street Kerneravllle, North Carolina 27284 336-996-2841 Fax [phone] www.randalabs.com Page 1 of 2
rai_coa_basic vtb

RESEARCh & ANA1yTiCAI
LAbORATORIESIF INC.
Report of Analysis
2/10/2015
Client Sample ID: Corning East Up Lab Sample ID: 368-06
Site: Water Tech Labs Collection Date: 1/23/2015 8:50 AM
.... ira;.-tn-. s.-+ 1'p"'r �� ✓ f .: ,.�. ': '�," 3 a -.. 1.',�i r ,.fir,,;. ,: ;.^n! B ,,. „pa6 �-�;.r,1�, I, F? t=:-�, 'c. w-i'J .++. ':� ,>,•':'ip �,,;ns :a. -<-.. w..- ,awa ,,,�'--,su a�
Zinc, Total EPA 200.7 10.1 ug/L 10 AA 1/30/2015
Copper, Total SM 3113 B-2004 4.89 ug/L 2 AA 2/6/2015
Client Sample ID: Corning East Down
Site: Water Tech Labs
.Ixf--&Io O �:
Rarameter � � Metho8„
Zinc, Total EPA 200.7 99.5
Copper, Total SM 3113 B-2004 5.68
Lab Sample ID: 368-07
Collection Date: 1/23/2015 9:15AM
Units"e�iinit;Ansf'AnalvsisDate1 Tfne
ug/L 10 AA 2/2/2015
ug/L 2 AA 2/6/2015
NA = not analyzed
P.O. Box 473 106 Short Street Kernersville, North Carolina 27284 336-996-2841 Fax [phone] www.randalabs.com Page 2 of 2

• WIMAkNER TE Cy J r 11 �S', t1 �/���
�
5 Pinewood Plaza Drive - P. O. Box 1056
Granite Falls, NC 28630
Phone [phone] -- Fax [phone]
CLIENT: Corning Cable Systems-TC Pit
c/o Steve Street
P.0 Box 489
Hickory, NC 28603-0489
PHONE NUMBER: 828-327-5000
TYPE SAMPLE: Stormwater
No. LOCATIONS:,e iv scs
SAMPLER NAME: 5 5/reef'
Sample Collection
Information
TYPE
CONTAINERS
ANALYSIS REQUIRED
Sample Location
FacilityName
DATE
TIME
TEMP. °C
Grab/
Composite
No
Plastic/
Glass
Discharge 001
II 11.5
qf'.2 a
Grab
3
PlastiGlass/
TSS, Oil & Gr., Lead, Copper, Zinc
Discharge 002
�3115
!!
i
Grab
3
Plastic/
Glass
TSS, Oil & Gr., Lead, Copper, Zinc
Discharge 003/�3r�$
r !
Grab
3
Plastic/
Glass
TSS, Oil & Gr., Lead, Copper, Zinc
Discharge 005
r
r1ra3[�3
Q .25�
Grab
3
Plastic/
Glass
TSS, Oil & Gr., Lead, Copper, Zinc
Z, x
S+Jt Oduu�l>'�
f'a3I1 S
p ► I Sw
Cr�1 �
l
Pjt'`f�`c.
Co ?..., rr c.
Relinquished By:
Date:
Time:
R sieve By;
Date:
Time:
Reli quished By:
Date:
Time:
R201ived By:
Date:
Time:
PRESERVATION:
H--Geol 4°C
f-:k�0 4
[] NaOH
03
f J Dechlornating Agent
(] Other
SAMPLE TEMP. @ LAB (°C)
Chlorine Residual mg/1
NC CERTIFIED LAB # 50

CORNING
March 11, 2015
Steve Street Hickory Manufacturing and t 828-901-6695
Sr. EHS Coordinator Technology Center f 828-901-5665
PO BOX 4B9 [e-mail]
Hickory. NC 28603 www.corning.com
Division of Energy, Mineral, and Land Resources
Attn: DWQ Central Files
1612 Mail Service Center
Raleigh, North Carolina 27699-1612
Dear Sir/Madam:
Please find enclosed an original and one (1) copy of the Stormwater Discharge Monitoring
Report for Corning Optical Communications, LLC — Hickory Manufacturing and Technology
Center (HMTC) located in Hickory, Catawba County, North Carolina. The stormwater
samples were collected on 01/23/2015 for all permitted outfalls and represent the monthly
sample as specified in the Tier 11 requirements of HMTC's stormwater permit.
The results are mixed and reflect HMTC to be outside the benchmark value for the following
parameters:
Copper -- Stormwater Outfall 1, 2, and 3
Zinc — Stormwater Outfall 1, 2, 3, and 5
Additional attachments include the Laboratory Analytical Report, Chain -of -Custody, and the
Qualitative Monitoring Report.
Also enclosed are the results collected from both upstream and downstream of the stormwater
outfalls located on the east side of the property. These samples were collected at the request
of the Mooresville Regional office. The results indicate the amount of copper and zinc
released into the stream is below HMTC's benchmark parameters.
Please contact me if you have any questions at 828-901-6695.
Sincerely,
RECEIVED
MAR 16 2015
DENR-Lrl'ND QUALITY
Stephen L Street STORP,+PWAT tR PNkik,�,-rfiP.,G
Senior Environmental, Health and Safety Coordinator
attachments
© 2015 Corning Incorporated, All Rights Reserved

Semi-annual Stormwater Discharge Monitoring Report
for North Carolina Division of Water Quality General Permit No. NCG030000
--+. Date submitted: 01/06/14
CMTIF1ZATE OF COVERAGE NO. NCGQ3000O SAMPLE COLLECTION YEAR: 2014
FACILITY NAME: Thermo Fisher Scientific (Asheville) LLC SAMPLE PERIOD ❑ Jan -June.-❑ July -Dec
COUNTY: Buncombe or X Monthly December
Zl
PERSON COLLECTING SAMPLES: Jeremy Putnam
LABORATORY: Pace Analytical Lab Cert. #9289222001
Comments on sample collection or analysis: N/A
Part A: Stormwater Benchmarks and Monitoring Results
RECEiVr= 3iSCHARGING TO CLASS ❑ORW ❑HQW X Trout ❑PNA
❑Zero -flow ❑Water Supply ❑SA
JAN 0 9 2015 ❑other
CENTRAL TILES DNlR SECTION PLEASE REMEMBER TO SIGN ON PAGES 2 AND/OR 3 4
❑ No discharge this period:'
Outfall No.
Date Sample
Collected'
(mo/dd/yr)
24-hour rainfall
amount,
inches3
Total Suspended Solids
pH'
Standard
units
Copper
Lead
Zinc
Non -Polar
O&G/ Total
Petroleum
Hydrocarbons
Total Toxic
5
Organics
Benchmarks =__>
-
-
100 mg/L or 50 mg/L
6.0 — 9.0
0.007 mg/L
0.03 mg/L
0.067 mg/L
15 mg/L
1 mg/L
1
12/23/14
0.60
N/A
6.34
<0.005mg/L
N/A
0.212 mg/L
N/A
N/A
2
12/23/14
0.60
N/A
6.22
0.0052 mg/L
N/A
0.136 mg/L
N/A
N/A
3
12/23/14
0.60
N/A
6.52
0.0117 mg/L
N/A
0.107 mg/L
N/A
N/A
1 Monthly sampling (instead of semi-annual) must begin with the second consecutive benchmark exceedance for the same parameter at the same outfall.
2 For sampling periods with no discharge at any single outfall, you must still submit this discharge monitoring report with a checkmark here.
3The total precipitation must be recorded using data from an on -site rain gauge. Unattended sites may be eligible for a waiver of the rain gauge requirement.
4 See General Permit, Table 3 identifying the especially sensitive receiving water classifications where the more protective benchmark applies.
5 Total Toxic Organics sampling is applicable only for those facilities which perform metal finishing operations, manufacture semiconductors, manufacture
electronic crystals, or manufacture cathode ray tubes. For purposes of this permit the definition of Total Toxic Organics is that definition contained in the EPA
Effluent Guidelines for the facility subject to the requirement to sample (for metal finishing use the definition as found in 40 CFR 433.11; for semiconductor
manufacture use the definition as found in 40 CFR 469.12; for electronic crystal manufacture use the definition as found in 40 CFR 469.22; and for cathode ray
tube manufacture use the definition found in 40 CFR 469.31).
Permit Date: 11/l/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 1 of 3

Note: If you report a sample value in excess of the benchmark, you must implement Tier 1, Tier 2, or Tier 3 responses. See General Permit text.
FOR PART A AN7 PART B MONITORING RESULTS:
• A BENCHMARK EXCEEDANCE TRIGGERS TIER 1 REQUIREMENTS. SEE PERMIT PART II SECTION B.
2•EXCEEDANCES IN A ROW FOR THE SAME PARAMETER AT THE SAME OUTFALL TRIGGER TIER 2 REQUIREMENTS. SEE PERMIT PART II SECTION B.
TIER 3: HAS YOUR FACILITY HAD 4 OR MORE BENCHMARK EXCEEDENCES FOR THE SAME PARAMETER AT ANY ONE OUTFALL? YES X NO ❑
IF YES, HAVE YOU CONTACTED THE DWQ REGIONAL OFFICE? YES X NO ❑
REGIONAL OFFICE CONTACT NAME: _Ms. Laura Herbert (Asheville Regional Office)
Mail an original and one copy of this DMIt including al! "No Discharge" reports, within 30 days of receipt of the lab results for at end of monitoring period
in the case of "No Discharge" reports) to:
Division of Water Quality
Attn: DWQ Central Files
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
YOU MUST SIGN THIS CERTIFICATION FOR ANY INFORMATION REPORTED:
"I certify, under penalty of law, that this document and all attachments were prepared under my direction or supervision in accordance with a system designed to
assure that qualified personnel properly gather and evaluate the information submitted. Based on my inquiry of the person or persons who manage the system, or
those persons directly responsible for gathering the information, the information submitted is, to the best of my knowledge and belief, true, accurate, and complete.
am aware that there arq-significant penalties for submitting false information, including the possibility of fines and imprisonment for knowing violations."
(Signature of
\-0 `,-"D
(Date)
Permit Date: 11/1/2012-10/31/2017
SWU-245, last revised 10/25/2012
Page 3 of 3

ThermoRsher
SCIENTIFIC
January 5, 2014
Division of Water Quality
Attn: DWQ Central Files
1617 Mail Service Center
Raleigh, NC 27699-1617
Y)CG 6-3 0 2 Y�
RE: Stormwater Analytical Monitoring Results for Thermo Fisher Scientific, LLC
I have attached the analytical monitoring results from stormwater sampling that was collected on
December 23, 2014 at Thermo Fisher Scientific, LLC's three outfalls for the benchmark values
that were exceeded for three consecutive samples.
Per our General Storm Water Permit No. NCG03000 requirements of monthly monitoring for
applicable parameters during a storm event, I have sampled each outfall for copper and zinc. The
results for copper from one of three outfalls exceed the benchmark values as noted in Table 3 of
the general storm water permit. The results for zinc from all three outfalls exceeded benchmark
values. We have implemented a Tier Three response for the site and Thermo Fisher Scientific
LLC has notified the Asheville Regional Office. Thermo Fisher Scientific LLC is currently
working with an environmental consultant to help achieve compliance with the bench mark
values set forth in the facility's storm water permit. Also, Thermo Fisher Scientific LLC has
implemented parking lot vacuum sweeping. I have attached the completed Monitoring Report
containing the monitoring results from the three outfalls.
If you have any questions, please feel free to contact me at 828-658-2845
Jeremy Putnam
EHS Manager
Attachments

lceAna1Xka1 *
www.pwetabs.com
December 31, 2014
Mr. Jeremy Putnam
Thermo Electron Corp.
275 Aiken Road
Asheville, NC 28804
RE: Project: SW December 2014
Pace Project No.: 92231007
Dear Mr. Putnam:
Pace Analytical Services, Inc.
2225 Riverside Dr.
Asheville, NC 28804
[phone]
Enclosed are the analytical results for sample(s) received by the laboratory on December 24, 2014.
The results relate only to the samples included in this report. Results reported herein conform to the
most current TNI standards and the laboratory's Quality Assurance Manual, where applicable, unless
otherwise noted in the body of the report.
Analyses were performed at the Pace Analytical Services location indicated on the sample analyte
page for analysis unless otherwise footnoted.
If you have any questions concerning this report, please feel free to contact me.
Sincerely,
Chris Derouen
[e-mail]
Project Manager
Enclosures
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, Inc..
Page 1 of 9

(�5aneAnalyticale
wwwpacew&com
QUALITY CONTROL DATA
Project: SW December 2014
Pace Project No.: 92231007
OC Batch: MPRP117636 Analysis Method: EPA 200.7
OC Batch Method: EPA 200.7 Analysis Description: 200.7 MET
Associated Lab Samples: 92231007001, 92231007002, 92231007003
METHOD BLANK: 1360583 Matrix: Water
Associated Lab Samples: 92231007001, 92231007002, 92231007003
Blank Reporting
Parameter Units Result Limit Analyzed Qualifiers
Copper ug1L ND 5.0 12/3011417:36
Zinc uglL ND 10.0 12/30/1417:36
LABORATORY CONTROL SAMPLE: 1360584
Parameter Units
Copper
Zinc
uglL
uglL
Spike
Conc,
500
500
LCS
Result
519
480
LCS
% Rec
104
96
% Rec
Limits
85-115
85-115
Pace Analytical Services, Inc.
2225 Riverside Dr.
Asheville, NC 28804
[phone]
Qualifiers
MATRIX SPIKE & MATRIX SPIKE DUPLICATE: 1360585
1360586
MS
MSD
92230960001 Spike
Spike
MS
MSD
MS MSD % Rec
Parameter Units Result Conc.
Conc,
Result
Result
% Rec % Rec Limits RPD Qual
Copper ug1L 13.4 500
500
545
540
106 105 70-130 1
Zinc ug1L 45.8 500
500
525
519
96 95 70-130 1
MATRIX SPIKE 8 MATRIX SPIKE DUPLICATE: 1360587
1360588
MS
MSD
92231057001 Spike
Spike
MS
MSD
MS MSD % Rec
Parameter Units Result Conc.
Conc,
Result
Result
% Rec % Rec Limits RPD Qual
Copper uglL ND 500
500
517
517
103 103 70-130 0
Zinc uglL 0.016 500
500
483
484
93 94 70-130 0
mg1L
Results presented on this page are In the units Indicated by the -Units" column except where an alternate unit Is presented to the right of the result.
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Date: 12/31 /2014 02:45 PM without the written consent of Pace Analytical Services, Inc..
Page 5 of 9

s
(�5kMnalyfical
www.pacelab.carn
QUALITY CONTROL DATA CROSS REFERENCE TABLE
Pace Analytical Services, Inc.
2225 Riverside Dr.
Asheville, NC 28804
[phone]
Project: SW December 2014
Pace Project No.: 92231007
Analytical
Lab ID Sample ID QC Batch Method QC Batch Analytical Method Batch
92231007001
Outfa I I 1-1
92231007002
Outfall2-1
92231007003
Outfall3-1
EPA 200.7 MPRP117636 EPA 200.7 ICP115880
EPA 200.7 MPRP117636 EPA 200.7 ICP115880
EPA 200.7 MPRP117636 EPA 200.7 ICP115880
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full.
Date: 12/31/2014 02:45 PM without the written consent of Pace Analytical Services, Inc.. Page 7 of 9

• Pace Analytical Services, Inc.
s 2225 Riverside Dr.
aceAnalytical Asheville, NC 28804
www.pece�bs mm [phone]
SAMPLE ANALYTE COUNT
Project:
Pace Project No.:
SW December 2014
92231007
Analytes
Lab ID
Sample ID
Method
Analysts
Reported
Laboratory
92231007001
Outfall 1-1
EPA 200.7
JMW
2
PASI-A
92231007002
Outfall 2-1
EPA 200.7
JMW
2
PASI-A
92231007003
Outfall 3-1
EPA 200.7
JMW
2
PASI-A
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, Inc.. Page 3 of 9

1)!;ac'eAna1Aca1*
CHAIN -OF -CUSTODY / Analytical Request Document
The Chair O-Custody is a LEGAL DOCUMENT. Alt relevant fields must be completed accurately.
• wrw.pawuos.com ,
CU
Page: of d
A Section ISSection C
_Section
Required Client Information: Required Project Information: Invoice Information:
Compaer>` %' Report T*: y�� Ailrntian:
fitvv\.
1.808592
, W``��1 IS a -
Address:'
Copy To:
CompepyrN me: ^[ ,S
REGULATORY AGENCY
C
NPOES F GROUND WATER j DRINKJN�WATER
r UST r— .RCRA OTHER
Email To: QcQ� 1 t1
Purchase Order No.:
Pace OWE*
R*Fwenoe:
Pttone� l!��
Fe<
PrdjegNanme:�\ \ ,�
�w
Site Location
W
\AC
STATE:
-
Regtmsted Due--Data/TAT:
Project Numbec
Para Rrotio o:
Requested
Analysis
Filtered
(YIN)
Section D Matrix Codes-
R•qukWC6mWwrn4rim - MATnFx ! COOF
3
--
COLLECTED
Preservatives
>
T _
Drinking Water DW
OU
x0
Water WT
5
Productwaswwa18r PM
±
m
coMvpSrrE
START
CaMaosnE
F310rGR�8
J
Z
SoillSo&d SL
•
s
-
+
p
y
SAMPLE ID a QL
�?
"
a
C
pe WP
(A Z, 0 91,-) Air AR
G
tL
Sams M Sample IDUST BE UNIQUE TS
O
a
. w
~
W
U
Other ., OT
-
U
X
m
w
z
c07
it
'w
1:11p
p
c
w
.G
r
CL
u
ny
O
O
~
w
DATE
TIME
DAZE
TIME
y •
S
=
2
z
z
O
1
Pace Project Nol Lab I.D.
��
'•
1.15
i
i
3
�1� Ln
TVTA•�)
i
I
(
q
5•
6
7
B
B
1g
11
121
ADDITIONAL COMMENTS
ELINQUIS BY I AFFILIATION
DATE
TIME
ACCEPTED BY t. AFFILIATION
DATE
TIME
SAMPLE CONDITIONS
Z1 •��� C it'
1a,1
i%' I.G� w
f
/ Y r`/
di a
/��
✓�
��
SAMPLER NAME AND SIGNATURE
ORIGINAL
PRINT Nam* of SAMPLER• 1
~
� a
U 00
e
SIGNATURE of SAMPLER:
DATESigned
(
N
rn
'Imponaru Note: By Song theS roan you aM accepting Pace's NET 30 oay Payment temrs and agreeing W late chargeS of 1.5% par month ror arty in ces r10(aid within 30 days. F-ALL-Q-020rev.07. 15-May-2007

Stormwater Discharge pH Description
On 12/23/14 at approximately 3:45pm, the pH meter used for analysis was calibrated. For the
calibration a buffer solution of pH 7 was used (PHA-7 Omega Engineering).
Meter Type:
Mfg: Extech Instrument
Model: ExStik pH Waterproof Meter, PH110
The monitoring info for each outfall is as follows:
Outfall 1
Monitored at 4:00pm
pH of 6.34
Temp of 50.4 degrees F
Outfall 2
Monitored 4:15pm
pH of 6.22
Temp of 51.2 degrees F
Outfall 3
Monitored at 4:30pm
pH of 6.52
Temp of 50.2 degrees F
Jeremy Putnam
EH5 Manager

S+61ATmirrcH LHES.Inc.
POST OFFICE BOX 1056 • #5 PINEWOOD PLAZA DR.
GRANITE FALLS, NORTH CAROLINA 28630
Lf [phone]
SAMPLE: Corning Optical (001) COLLECTION DATE: 11/17/2014
\(� PERMIT #: COLLECTION TIME: 15:16
1 ADDRESS: Corning Optical RECEIVED DATE: 11/17/2014
P.O. Box 489 RECEIVED TIME: 10:22
Hickory, NC 28603-0489
REPORTED: 12/10/2014
ANALYSIS
ANALYSIS
RESULTS
UNITS
DATE ANALYST
Lead
<0.003
mg1L
11/21/14
TSS
12.4
mg1L
11/19/14 jrg
Copper
0.014
mg/L
11/21/14
Zinc
0.399
mg1L
11/21/14
Oil & Grease
10.7
mg/L
11/17/14 jdg
LOG ID: 1411-242
REPORTED BY: NCCERTIFIED LABI# 50
fl� (A"
Tony Gragg, Lab Supervisor

b1RrER6■ EcH L#wvs,1.C.
POST OFFICE BOX 1056 • #5 PINEWOOD PLAZA DR.
GRANITE FALLS, NORTH CAROLINA 28630
[phone]
SAMPLE: Corning Optical (002) COLLECTIONDATE: 11/17/2014
PERMIT #: COLLECTION TIME: 15,21
ADDRESS: Corning Optical RECEIVED DATE: 11/17/2014
P.O. Box 489 RECEIVED TIME: 10:22
Hickory, NC 28603-0489
REPORTED: 12/10/2014
ANALYSIS
_ --._. _------- - -- - --�
ANALYSIS
RESULTS
UNITS
DATE. ANALYST
Lead
0.011
mg/L
11/21/14
TSS
38.7
mg/L
11/19/14 irg
Copper
0.046
mg/L
11/21/14
Zinc
1.07
mglL
11/21/14
Oil & Grease
<5.6
mg/L
11/17/14 jdg
LOG ID: 1411-243 REPORTED BY: NC CERTIFIED LAB # 50
fl�
Tony Gragg, Lab Supervisor

b1RTER6rECH LRRS.lnc.
POST OFFICE SOX 1056 • #5 PINEWOOD PLAZA DR.
GRANITE FALLS, NORTH CAROLINA 28630
[phone]
SAMPLE: Corning Optical (003) COLLECTION DATE: 11117/2014
PERMIT #: COLLECTION TIME: 15:06
ADDRESS: Corning Optical RECEIVED DATE: 11/17/2014
P.O. Box 489 RECEIVED TIME: 10:22
Hickory, NC 28603-0489
REPORTED: 12/10/2014
ANALYSIS
ANALYSIS
RESULTS
UNITS
DATE ANALYST
Lead
<0.003
mg1L
11/21/14
TSS
10.7
mg/L
11/19/14 irg
Capper
0,014
mg/L
11/21/14
Zinc
0.428
mg/L
11/21/14
Oil & Grease
5.8
mg/L
11/17/14 jdg
LOG 1D: 1411-244 REPORTED BY: NC CERTIFIED LAB # 50
fll�
Tony Gragg, Lab Supervisor

URTERiTECH LRBS.Inc,
POST OFFICE 80; 1056 • #5. PINEWOOD PLAZA DR.
GRANITE FALLS, NORTH CAROLINA 28630
[phone]
SAMPLE: Corning Optical (005) COLLECTION DATE: 11/17/2014
PERMIT #: COLLECTION TIME: 15:34
ADDRESS: Corning Optical RECEIVED DATE 11/17/2014
P.O. Box 489 RECEIVED TIME 10:22
Hickory, NC 28603-0489
REPORTED: 12/10/2014
ANALYSIS
ANALYSIS
RESULTS
UNITS
DATE ANALYST
Lead
0.004
mg/L
11/21/14
TSS
31.0
mglL
11/19/14 jrg
Copper
0.006
mg/L
11/21/14
Zinc
0.141
mg1L
11/21/14
Oil & Grease
<5.6
mg/L
11/17/14 jdg
LOG ID: 1411-245 REPORTED BY: NC CERTIFIED LAB # 50
fp� *
Tony Gragg, Lab Supervisor

. ,0011111112#10 J
13;RESEARCh & ANAlyTICAI �46` 4 � Yr� •�,
LA ORATORIES, INC. '
Z•Cn
Analytical/Process Consultations NC i
,P.0
JJJllU11j/1
Water Tech Labs. Inc. Date Sample Collected : 11/17/14
P.O. Box 1056 Date Sample Received : 11/21/14
Granite Falls, NC 28630 Date Sample Analyzed : 11/21/14
Attn: Joe Gragg Date of Report : 12/05/14
Analyses Performed by : AA
Lab Sample Number Lab Sample Number Lab Sample Number
800134 800135 800136
Parameter Storet # Results Results Results
Copper,Tot (01042) 0.014 mg/l 0.046 mg/t 0.014 mg/t
Leadjot (01051) <0.003 mg/l 0.011 mg/l <0.003 mg/l
Zinc,Tot (01092) 0.399 mg/L 1.07 mg/t 0.428 mg/l
Clients Sample Source
--------------------
CORNING
------------------
CORNING
--------------------
CORNING
Number
001
002
003
Time Collected (Nrs)
0316
0321
0306
P.O. Box 473 • 106 Short Street • Kernersville, North Carolina 27284 • 336-996-2841 • Fax [phone]
www.randalabs.com

4 RESEARCh & ANA[yTICA1'
LABORATORIES, INC.: oar .�
ct ;•- O 0
w ''n NC
Analytical/Process Consultations
s,
Water Tech Labs. Inc. Date Sample Collected : 11/17/14
P.O. Box 1056 Date Sample Received : 11/21/14
Granite Falls, NC 28630 Date Sample Analyzed : 11/21/14
Attn: Joe Gragg Date of Report : 12/05/14
Analyses Performed by : AA
Lab Sample Number
--------------------
800137
Parameter Storet # Results
Copper,Tot (01042) 0.006 mg/l
Lead,Tot (01051) 0.004 mg/l
Zinc,Tot (G1092) 0.141 mg/l
--------------------
Clients Sample Source CORNING
Number 005
Time Collected (Hrs) 0334
R0. Sox 473 • 106 Short Street • Kernersville, North Carolina 27284 • 336-996-2841 • Fax [phone]
www.randalabs.com

. 1 i �,Ar I j � 4, I J r I i r �� � i� ILL , � 1 �f � r� f�T �C_ _ - ��5� ac�
5 Pinewood Plaza Drive - P.O. Box 1056
Granite Falls, NC 28630
Phone [phone] - Fax [phone]
CLIENT: Corning Cable Systems-TC Pit
clo Steve Street
P.O Box 489
Hickory, NC 28603-0489
PHONE NUMBER: 828-327-5000
TYPE SAMPLE: Stormwater
No. LOCATIONS: 4
SAMPLER NAME: 5 S -
Sample Collection
Information
TYPE
CONTAINERS
ANALYSIS REQUIRED
Sample Location
FacilityName
DATE
TIME
TEMP. °C
Grab/
Composite
No
Plastic/
Glass
Discharge 001
111j71q
3+ti
Grab
3
Plastic/
Glass
TSS, Oil & Gr., Lead, Copper, Zinc
Discharge 002
1I 1JIq
3���
Grab
3
Plastic/
Glass
TSS, Oil & Gr., Lead, Copper, Zinc
Discharge 003
!jf I�j
l !7!I q
+
3 0 ip
Grab
3
Plastic/
Glass
TSS, Oil & Gr., Lead, Copper, Zinc
005 Discharge
g
Grab
3
Plastic/
Glass
TSS, Oil & Gr., Lead, Copper, Zinc
pP
Relinquished By:
Date:
Time:
/D.�
Re feved B
'
Date:
Time:
Reli quished By:
Date:
Time:
Rec ed B V
Date:
Time:
PRES VATION:
ool
SO4
f 1 Na 0
03
�] Dechlornating Agent
�] Other
SAMPLE TEMP. @ LAB (°C)
Chlorine Residual mg/I
NC CERTIFIED LAB # 50

44
NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
For guidance on filling out this form, please visit: http://aortal.iicdenr.org/web/wglws/sulnpdessw#tab-4
Permit No.: N/C/ U/.Q/Q/Q/Q/Q/Q/ or Certificate of Coverage No.:
Facility Name: Hickory-Manufacturingand Technology Center - Corning Optical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Steve Street
Date of Inspection: 11 17 14
Time of Inspection: 3:16 am
Total Event Precipitation (inches):.65"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
® Yes ❑ No
Please verify whether Qualitative Monitoring must he performed during a 'representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signal ce t/hat;report is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
Page 1 of 2
SWU-242, Last modified 10/25/2012

1. Outfall Description:
Outfall No. 001 Structure (pipe, ditch, etc.) Pipe
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: Reel storage, solid
waste containers designated for landfill, hazardous waste storage. and R&D building.
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Color was clear.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
�1 2 3 4 5
5. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
0 2 3 4 5
7. Is there any foam in the stormwater discharge? Yes No
8. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
Page 2 of 2
SWU-242, Last modified 10/25/2012

A4*�-A.
NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
For guidance on filling out this form, please visit. http://por-tal.ncdenr,ot-glweb/wq/ws/su/npdessw#tab-4
Permit No.: or Certificate of Coverage No.:
Facility Name: Hicko Man fac urin and Technol Center- Corning Optical Communications
County: Catawba Phone No.: 828-90,1-6695
Inspector: Steve Street
Date of Inspection: 11/17/14
Time of Inspection: 3:21 am
Total Event Precipitation (inches):.65"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
® Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event' is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signatur , I certify that this -report is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
Pagel of 2
SWU-242, last modified 10/25/2012

1. Outfall Description:
Outfall No. 002 Structure (pipe, ditch, etc.) Pine
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: Solid waste containers
designated for landfill, metal recycling container, and chemical stoarage area (covered).
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Discharge was clear.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odors were present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
0 2 3 4 5
S. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
Q1 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
2 3 4 5
7. Is there any foam in the stormwater discharge? Yes No
8. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes Na
10. Other Obvious Indicators of Stormwater Pollution: [None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
Page 2 of 2
sWU•242, Last modified 10/25/2012

WKWA
NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
For guidance on filling out this form, please visit: http://portal..n dennorg/web/wq/ws/su/npdessw#tab-4
Permit No.: N/C/ 0/ 3/0/0/0/0/0/ or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and Technology Center - Corning Optical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Steve Street
Date of Inspection: 11 17 14
Time of Inspection: 3:06 am
Total Event Precipitation (inches):.65"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
® Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature, I certifypthat this report is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
Pagel of 2
SWU-242, Last modified 10/25/2012

1. Outfall Description:
Outfall No. 003 Structure (pipe, ditch, etc.) Pipe
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: Reel storage, machine
shop. and warehouse.
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Discharge was clear.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and S is very cloudy:
Q 2 3 4 5
5. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
0 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
n 2 3 4 5
7. Is there any foam in the stormwater discharge? Yes No
8. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
Page 2 of 2
SWU-242, Last modified 10/25/2012

NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
For guidance on filling out this form, please visit. http://portal.ncdenr.org/weblwq/ws/sulnpdessw#tab-4
Permit No.: N/C/ 0/ 3/Q/0/0/0/0/ or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and Technology Center - Corning Optical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Steve Street
Date of Inspection: 11117114
Time of Inspection: 3:10 am
Total Event Precipitation (inches):.6 a„
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
® Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event' is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature, 1, -ert9,that this reF rt is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
Page 142
SWU-242, last modified 10/25/2012

I. Outfall Description:
outfall No. 004 Structure (pipe, ditch, etc.) Pine
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: No industrial activities,
only a warehouse.
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Color was clear.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
n 2 3 4 5
S. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
W 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
2 3 4 5
7. Is there any foam in the stormwater discharge? Yes No
8. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
Page 2 of 2
SWU-242, Last modified 10/25/2012

4
NCDENR
Stormwater Discharge Out€all (SDO)
Qualitative Monitoring Report
F'orguidance on filling out this form, please visit: htto:/lportal.ncdenr.org/weblwa/ws/su/nodessw#tab-4
Permit No.: N/C/ 0/ 3/0/0/0/0/0/ or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and Technology Center - Corning Optical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Steve Street
Date of Inspection: 11117114
Time of Inspection: 3:34 am
Total Event Precipitation (inches):.65"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
© Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event' or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signaturej cer . y that this report is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
Pagel of 2
SWU-242, Last modified 10/25/2012

1. Outfall Description:
Outfall No. 005 Structure (pipe, ditch, etc.) Pipe
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: Manufacture of fiber
optic cable and warehouse.
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Color was clear.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
Q1 2 3 4 5
5. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
0 2 3 4 5
5. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
Q 2 3 4 5
7. Is there any foam in the stormwater discharge? Yes No
8. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
Page 2 of 2
SWU-242, Last modified 10/25/2012

Nc� a a o a V(0
Semi-annual Stormwater Dischange Monitoring Report
for North Carolina Division of Water Quality General Permit No. NCG030000
Date submitted: 01/21/2014
CERTIFICATE OF COVERAGE NO. NCG030000
FACILITY NAME: Hickory Manufacturing and Technology Center
COUNTY: Catawba
PERSON COLLECTING SAMPLES: Steve Street
LABORATORY: Water Tech Labs Lab Cert. # 50
Comments on sample collection or analysis:
Part A: Stormwater Benchmarks and Monitoring Results
SAMPLE COLLECTION Y 2014
SAMPLE PERIOD ❑ Jan- July -Dec
or ® Monthly' -- December
R E C E I �r - D DISCHARGING TO CLASS ❑ORW ❑HQW ❑Trout ❑PNA
.l ❑Zero -flow ❑Water Supply ❑SA
.inry v ui3 ❑Other
ULII�R-LAI,0 DJAUTY
STOR IVdATER PERIV111 i 1ING
PLEASE REMEMBER TO SIGN ON PAGES 2 AND/OR 3
❑ No discharge this period:2
ips
Outfall No.
Date Sample
24-hour rainfall
Total Suspended Solids
pH,
Copper
Lead
Zinc
Non -Polar O&G/Total
Total Petroleum
Toxic
Collected'
amount,
Standard units
Hydrocarbons
Organicss
(mo/dd/yr)
Inches3
Benchmarks =__>
-
-
100 mg/L or 50 mg/L
6.0 — 9.0
0.007 mg/L
0.03 mg/L
0.067 mg/L
15 mg/L
1 mg/L
1
12/05/14
.2"
58 mg/I
7.17
.015 mg/I
.004 mg/I
.626 mg/1
<5.6 mg/1
N/A
2
12/05/14
.2"
130 mg/I
7.26
.030 mg/l
.007 mg/1
.764 mg/I
<5.6 mg/1
N/A
3
12/05/14
.2"
52 mg/I
7.15
.013 mg/l
.006 mg/I
.905 mg/I
7.1 mg/I
N/A
5
12/05/14
.2"
50 mg/I
7.34
.D03 mg/I
<.003 mg/I
.106 mg/I
<5.6 mg/I
N/A
1 Monthly sampling (instead of semi-annual) must begin with the second consecutive benchmark exceedance for the same parameter at the same outfall.
2 For sampling periods with no discharge at any single outfall, you must still submit this discharge monitoring report with a checkmark here.
3The total precipitation must be recorded using data from an on -site rain gauge. Unattended sites may be eligible for a waiver of the rain gauge requirement.
See General Permit, Table 3 identifying the especially sensitive receiving water classifications where the more protective benchmark applies.
5 Total Toxic Organics sampling is applicable only for those facilities which perform metal finishing operations, manufacture semiconductors, manufacture
electronic crystals, or manufacture cathode ray tubes. For purposes of this permit the definition of Total Toxic Organics is that definition contained in the EPA
Effluent Guidelines for the facility subject to the requirement to sample (for metal finishing use the definition as found in 40 CFR 433.11; for semiconductor
manufacture use the definition as found in 40 CFR 469.12; for electronic crystal manufacture use the definition as found in 40 CFR 469.22; and for cathode ray
tube manufacture use the definition found in 40 CFR 469.31).
Permit Date: 11/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 1 of 3

Facilities that incorporate a solvent management plan into the Stormwater Pollution Prevention Plan may so certify, and the requirement for TTO monitoring
may be waived. The solvent management plan shall include a list of the total toxic organic compounds used and the other elements listed in the General
Permit. For those facilities electing to employ the TTO monitoring waiver, the discharger shall sign the following certification statement: ,
"Based upon my inquiry of the person or persons directly responsible for managing compliance with the permit monitoring requirement for total toxic organics
(TTO), I certify that to the best of my knowledge and belief, no dumping of concentrated toxic organics into the stormwater or areas which are exposed to rainfall or
stormwater runoff has occurred since filing the last discharge monitoring report. I further certify that this facility is implementing the all the provisions of the
solvent management plan included in the Stormwater Pollution Prevention Plan."
N/A
Name (Print name)
N/A
Title (Print title)
N/A
(Signature)
(Date)
Note: Results must be reported in numerical format. Do not report Below Detection Limit, BDL, <PQL, Non -detect, ND, or other similar non -numerical
format. When results are below the applicable limits, they must be reported in the format, "<XX mg/L", where XX is the numerical value of the detection
limit, reporting limit, etc. in mg/L.
Note: if you report a sample value in excess of the benchmark, you must implement Tier 1, Tier 2, or Tier 3 responses. See General Permit text.
Part B: Vehicle Maintenance Area Monitoring Results: only for facilities averaging > 55 gal of new oil per month.
❑ No discharge this period?2
Outfal! No.
Date Sample
Collected'
(mo/dd/yr)
24-hour rainfall
amount,
Inches3
Non -polar O&G/TPH by
EPA 1664 (SGT-HEM)
Total Suspended Solids
pH
Benchmarks ===>
_
-
15 mg/L
100 mg/L or 50 mg/L*
6.0 — 9.0 SU
N/A
N/A
N/A
N/A
N/A
N/A
Footnotes from Part A also apply to this Part B
* See General Permit text, Table 5, identifying the especially sensitive receiving water classifications where the more protective benchmark applies.
Permit Date: 11/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 2 of 3

Note: if you report a sample value in excess of the benchmark, you must implement Tier 1, Tier 2, or Tier 3 responses. See General Permit text.
FOR PART A AND PART B MONITORING RESULTS:
• A BENCHMARK EXCEEDANCE TRIGGERS TIER 1 REQUIREMENTS. SEE PERMIT PART it SECTION B.
• 2 EXCEEDANCES IN A ROW FOR THE SAME PARAMETER AT THE SAME OUTFALL TRIGGER TIER 2 REQUIREMENTS. SEE PERMIT PART II SECTION B.
• TIER 3: HAS YOUR FACILITY HAD 4 OR MORE BENCHMARK EXCEEDENCES FOR THE SAME PARAMETER AT ANY ONE OUTFALL? YES ® NOR
IF YES, HAVE YOU CONTACTED THE DWQ REGIONAL OFFICE? YES NO ❑
REGIONAL OFFICE CONTACT NAME: Letter sent to Mr. Mike Parker on Mav 7` and November 21't
Mail an original and one copy of this DMR, including all "No Discharge"reports, within 30 days of receipt of the lab resultslor at end of monitoring period
in the case of "No Discharge" reportsl to:
Division of Water Quality
Attn: DWQ Central Files
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
YOU MUST SIGN THIS CERTIFICATION FOR ANY INFORMATION REPORTED:
"I certify, under penalty of law, that this document and all attachments were prepared under my direction or supervision in accordance with a system designed to
assure that qualified personnel properly gather and evaluate the information submitted. Based on my inquiry of the person or persons who manage the system, or
those persons directly responsible for gathering the information, the information submitted is, to the best of my knowledge and belief, true, accurate, and complete.
am aware that tie are significant penalties for submitting false information, including the possibility of fines and imprisonment for knowing violations."
(Signature of Permittee)
//t-3/t�-o "S
(Date)
Permit Date:11/1/2012-10/31/2017
SWU-245, last revised 10/25/2012
Page 3 of 3

17 IF
NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
Forguidance on filling out this form, please visit: httl2://portal.ncdenr.org/weblwQlws/sulnpdessw#tab-4
Permit No.: N/C/ 0//0/0/0/0/0/ or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and Technology_ Center_- Corning Qptical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Steve Street
Date of Inspection: 12/05/14
Time of Inspection: 7:37 am
Total Event Precipitation (inches):.20"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
® Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature, I certify that this repgrt is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
Pagel of 2
SWU-242, Last modified 10/25/2012

1. Outfall Description:
Outfall No. 001 Structure (pipe, ditch, etc.) Pipe
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: Reel storage, solid
waste containers designated for landfill, hazardous waste storage, and R&D building,
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Color was clear.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
01 2 3 4 5
S. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
0 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
1 0 3 4 5
7. Is there any foam in the stormwater discharge? Yes No
8. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and descri
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
Page 2 of 2
SWU-242, Last modified 10/25/2012

Affl7*w�-A
NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
Forguidance on filling out this form, please visit: http;l/portal.ncdenr.org/web/wg/ws/su/npdessw#tab-4
Permit No.: or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and Technology Center - Corning Optical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Steve Street
Date of Inspection: 12 05 14
Time of Inspection: 7:27 am
Total Event Precipitation (inches):.20"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
® Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureoble storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this sign re, I certify t this report is accurate and complete to the best of my knowledge:
_Gc�.�_�_�
ignature of Permittee or Designee)
Page 1 of 2
Swll-242, Last modified 10/25/2012

1. Outfall Description:
Outfall No. 002 Structure (pipe, ditch, etc.) Pine
Receiving Stream: ClarWs Creek
Describe the industrial activities that occur within the outfall drainage area: Solid waste containers
designated for landfill, metal recycling container, and chemical stoarage area (covered).
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Discharge was light gray.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odors were present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
1 2 33 4 S
S. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
1 0 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
1 2 Q 4 5
7. Is there any foam in the stormwater discharge? Yes No
8. Is there an oil sheen in the stormwater discharge? Yes
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
Page 2 of 2
SM-242, last modified 10/25/2012

IFA
NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
For guidance on filling out this form, please visit: httppJ/portal.ncdenr.org/web/wq/ws/su/npdessw#tab-4
Permit No.: or Certificate of Coverage No.: N/C/G/_/_/_/_/_/_/
Facility Name: Hickory Manufacturing_ and Technology Center - Corning Optical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Steve Street
Date of Inspection: 12 05 14
Time of Inspection: 7:30 am
Total Event Precipitation (inches):.21
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
© Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature, I certify that this report is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
Pagel of 2
SWU-242, last modified 10/25/2012

1. Outfall Description:
Outfall No. 003 Structure (pipe, ditch, etc.) Pipe
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: Reel storage, machine
shoo, and warehouse.
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Discharge was clear.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
0 2 3 4 5
S. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
01 2 3 4 5
B. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
0 2 3 4 5
7. Is there any foam in the stormwater discharge? Yes No
8. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
Page 2 of 2
SWU-242, Last modified 10/25/2012

ANX-RA�
NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
For guidance on filling out this form, please visit: http://aortal.ncdenr.org/web /wq jws/su/npdessw#tab-4
Permit No.: IV/C/ 0/ 3/0/0/0/0/U/ or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing_andTechnology Center - Corning Optical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Steve Street
Date of Inspection: 12105114
Time of Inspection: 7:33 am
Total Event Precipitation (inches):.20"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the j
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature, I certify that this report
hireport is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
Pagel of 2
SWU-242, Last modified 10/25/2012

1. Outfall Description:
Outfall No. 004 Structure (pipe, ditch, etc.) Piye
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: No industrial activities,
only a warehouse.
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Color was clear.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
n1 2 3 4 5
5. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
Q 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
�1 2 3 4 5
7. Is there any foam in the stormwater discharge? ®e No
B. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe: Foaming anneared to be created by the water surgingthrough the nine creatine
air bubbles.
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
Page 2 of 2
SWU-242, East modified 10/25/2012

NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
For guidance on filling out this form, please visit. http: Zip ortal.ncdenr.orgf web/wows/�uf nt2dessw#tab-4
Permit No.: or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and Technology Center - Corning Optical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Steve Street
Date of Inspection: 12105114
Time of Inspection: 7: 2 am
Total Event Precipitation (inches):.20"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
® Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
i Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
j performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
I
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
T and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
} precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
E permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature, I certify that this re
(Signature of Permittee or Designee)
accurate and complete to the best of my knowledge:
sWU-242, Last modified 10/25/2012
Pagel of 2

1. Outfall Description:
Outfall No. 005 Structure (pipe, ditch, etc.) Pipe
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: Manufacture of fiber
optic cable and warehouse.
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Color was light brown.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
1 22 3 4 5
5. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
W 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
1 3 4 5
7. Is there any foam in the stormwater discharge? Yes No
B. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
Page 2 of 2
SWU-242, last modified 10/25/2012

WrEROrECH LR .Ir1C.
POST OFFICE BOX ,056 • #5 PINEWOOD PLAZA CR.
GRANITE FALLS, NORTH CAROLINA 2863k
[phone]
SAMPLE., Corning Optical (001) COLLECTION DATE: 12l512014
PERMIT #.' COLLECTION TIME: 07:37
ADDRESS: Corning Optical RECEIVED DATE: 121512014
P.O. Box 489 RECEIVED TIME: 09:45
Hickory, NC 28603-0489
REPORTED: 12117/2014
ANALYSIS
ANALYSIS
RESULTS
UNITS
DATE ANALYST
Lead
0.004
mg1L
1215114
TSS
58.0
mg/L
1219114 jrg
Copper
0.015
mg1L
12I5114
Zinc
0.626
mg1L
12I5114
Oil & Grease
<5.6
mg1L
1218/14 jdg
LOG ID: 1412-129 REPORTED BY: NC CERTIFIED LAB # 50
fe�
Tony Gragg, Lab Supervisor

yy
rff jv6rrcH
i�amsh,,.
?CST OFFICE BOX 1056 • 96 PINEWOOD PLAZA DR.
GRANITE FALLS, NORTH CAROLINA 28630
[phone]
SAMPLE: Corning Optical (002) COLLECTION DATE:
12/5/2014
PERMIT #. COLLECTION TIME:
07:27
ADDRESS: Corning Optical RECEIVED DATE:
12/5/2014
P.O. Box 489 RECEIVED TIME.-
09:45
Hickory, NC 28603-0489
REPORTED:
12/17/2014
ANALYSIS
ANALYSIS
RESULTS
UNITS
DATE ANALYST
Lead
0.007
mg/L
1215114
TSS
130
mg1L
1219114 irg
Copper
0.030
mg/L
1215/14
Zinc
0.764
mg1L
1215114
Oil & Grease
<5.6
mg/L
1218/14 jdg
LOG ID: 1412-130 REPORTED BY: NC CERTIFIED LAB # 50
fe�.. 6or
Tony Gragg, Lab Supervisor

WffmPrER6rECH LRDS,ric.
POST OFFICE" BOX 1056 • a 5 PINEWOOD PLAZA DR
GRANITE FALLS. NORTH CAROLINA 28630
[phone]
SAMPLE: Corning Optical (003) COLLECTION DATE: 12/5/2014
PERMIT #: COLLECTION TIME: 07:30
ADDRESS: Corning Optical RECEIVED DATE: 12I512014
P.Q. Box 489 RECEIVED TIME: 09:45
Hickory, NC 28603-0489
REPORTED: 12/ 17/2014
ANALYSIS
ANALYSIS
RESULTS
UNITS
DATE ANALYST
Lead
0.006
mg1L
1215114
TSS
52.0
mg/L
1219114 irg
Copper
0.013
mg1L
1215114
Zinc
0.905
mg/L
1215/14
Oil & Grease
7A
mg/L
1218114 jdg
LOG ID: 1412-131 REPORTED BY: NC� CERTIFIED LAB # 50
Tony Gragg, Lab Supervisor

a_�
i�RTEROTECH LR S.Jnc.
POST OFFICE BOX 1056 • #5 PINEWOOD PLAZA DR.
GRAN i E FALLS. NORTH CAROLINA 28630
[phone]
SAMPLE: Corning Optical (005) COLLECTION DATE: 12/5/2014
PERMIT #. COLLECTION TIME: 07:52
ADDRESS: Corning Optical RECEIVED DATE: 12I512014
P.O. Box 489 RECEIVED TIME: 09:45
Hickory, NC 28603-0489
REPORTED: 12/17/2014
ANALYSIS
ANALYSIS
RESULTS
UNITS
DATE ANALYST
Lead
<0.003
mg1L
12/5I14
TSS
50.0
mg/L
12/9114 jrg
Copper
0.003
mg/L
12/5114
Zinc
0.106
mg/L
12/5/14
Oil & Grease
<5.6
mg/L
12/8/14 jdg
LOG ID: 1412-132 REPORTED BY: NC CERTIFIED LAB ## SO
fl� *
Tony Gragg, Lab Supervisor

.Sligo Irflr."V
RESEARCh & ANA1yTICA1 ��•ee ',& ,�?� ••,
LABORATORIES, INC. clq'�.:�•�`
c* NC #34 z
Analytical/Process Consultations i
i t Oyu Q+ �r
�DrAtt
Water Tech Labs. Inc. Date Sample Collected 12/05/14
P.O. Box 1056 Date Sample Received 12/05/14
Granite Falls, NC 28630 Date Sample Analyzed 12/05/14
Attn: Joe Gragg Date of Report : 12/15/14
Analyses Performed by AA
Lab Sample Number Lab Sample Number Lab Sample Number
800903 800904 800905
Parameter Strret # Results Results Results
Copper,Tot (01042) 0.015 mg/L 0.030 mg/l 0.013 mg/I
Lead,Tot (01051) 0.004 mg/l 0.007 mg/I O.OD6 mg/l
Zinc,Tot (01092) 0.626 mg/l 0.764 mg/I 0.905 mg/l
--------------------------------------- --------------------
Clients Sample Source CORNING 001 CORNING 002 CORNING 003
Number
Time Collected (Nrs) 0737 0727 0730
P.O. Box 473 • 106 Short Street • Kernersville, North Carolina 27284 • 336-996-2841 • Fax [phone]
www.randalabs.cam

RESEARCh & ANA1yTICA1
LABORATORIES, INC.
Analytical/Process Consultations
Water Tech Labs. Inc.
P.O. Box 1056
Granite Falls, NC 28630
Attn: Joe Gragg
Date Sample Collected
Date Sample Received
Date Sample Analyzed
Date of Report
Analyses Performed by
Lab Sample Number
--------------------
800906
Parameter Storet # Results
Copper,Tot (01042) 0.003 mg/1
Lead,Tot (01051) c0.003 mg/l
Zinc,Tot (01092) 0.106 mg/1
--------------------
Clients Sample Source CORNING 005
Number
Time Collected (Hrs) 0752
12/05/14
12/05/14
12/05/14
12/15/3.4
AA
P.O. Box 473 • 106 Short Street • Kernersville, North Carolina 27284 • 336-996-2841 -Fax [phone]
www.randalabs.com

WATER TECH LABS, Inc.
5 Pinewood Plaza Drive - P.O. Box 1056
Granite Falls, NC 28630
Phone [phone] -- Fax [phone]
CLIENT: Corning Cable Systems-TC Plt PHONE NUMBER: 828-327-5000
c/o Steve Street TYPE SAMPLE: Stormwater
P.O Box 489 No. LOCATIONS: 4
Hickory, NC 28603-0489 SAMPLER NAME: S 6hh4~
Sam le Collection Information
TYPE
CONTAINERS
ANALYSIS REQUIRED
Sample Location
FacilityName
DATE
TIME
TEMP. °C
Grab/
Composite
No
Plastic/
Glass
Discharge 001
f 4 Y
7,! 37
Grab
3
Plasti l
Glass
TSS, Oil & Gr., Lead, Copper, Zinc
Discharge 002
1� Ire
?.�?
Grab
3
GPlasticlass
Glas
TSS, Oil & Gr., Lead, Copper, Zinc
Discharge 003
_I
'%.3D
Grab
3
Plastic/
Glass
TSS, Oil & Gr., Lead, Copper, Zinc
Discharge 005
Grab
3
Glass
TSS, Oil & Gr., Lead, Copper, Zinc
Reli quished By:
Date:
��'�I
Time:
g(4a,
Recieved 8
L `L�
Date:
Time:
Reli quished By:
Date:
Time:
Receive y:
Date:
Time:
PRESERVATION.
,stool 4°C
(I-K2SO4
(] NaOH
t?PN03
�) Dechlormating Agent
�] Other
SAMPLE TEMP. @ LAB (°C)
Chlorine Residual mgll
NC CERTIFIED LAB # 50

Semi-annual Stormwater Discharge Monitoring Report
for North Carolina Division of Water Quality General Permit No. NCG030000
Date submitted: 01/21L2014
CERTIFICATE OF COVERAGE NO. NCG030000
FACILITY NAME: Hickory Manufacturing and Technology Center
COUNTY: Catawba
PERSON COLLECTING SAMPLES: Steve Street
LABORATORY: Water Tech Labs Lab Cert. # 50
Comments on sample collection or analysis:
Part A: Stormwater Benchmarks and Monitoring Results
SAMPLE COLLECTION YEAR: 2014
SAMPLE PERIOD ❑ Jan -June ❑ July -Dec
or ® Monthly' — December
DISCHARGING TO CLASS ❑ORW ❑HQW ❑Trout ❑PNA
RECEIVED []Zero -flow []Water Supply []SA
JAN 3 0 2J �) [:]Other
DENR_D' i!\0 01 ]A; i T `( PLEASE REMEMBER TO SIGN ON PAGES 2 AND/OR 3 4
STORM70 T ER wEF'Nfl1'i NtG
❑ No discharge this period?'
Outfall No.
Date Sample
24-hour rainfall
Total Suspended Solids
pH,
Copper
Lead
Zinc
Nan -Polar O&G/
Total Petroleum
Total Toxic
Collected'
amount,
Standard units
Hydrocarbons
Organics5
(mo/dd/yr)
Inches3
Benchmarks
-
-
100 mg/L or 50 mg/L
6.0 — 9.0
0,007 mg/L
0.03 mg/L
0.067 mg/L
15 mg/L
1 mg/L
1
12/05/14
.2"
58 mg/I
7.17
.015 mg/I
.004 m 1
.626 mg/l
<5.6 mg/I
N/A
2
12/05/14
.2"
130 mg/I
7.26
.030 mg/I
.007 mg/I
.764 mg/1
<5.6 mg/I
N/A
3
12/05/14
.2"
52 mg/I
7.15
.013 mg/I
.006 mg/I
.905 mg/I
7.1 mg/I
N/A
5
12/05/14
.2"
s0 mg/I
1 7.34
.003 mg/I
1 <.003 mg/I
.106 mg/1
<5,6 mg/I
N/A
' Monthly sampling (instead of semi-annual) must begin with the second consecutive benchmark exceedance for the same parameter at the same outfall.
Z For sampling periods with no discharge at any single outfall, you must still submit this discharge monitoring report with a checkmark here.
3The total precipitation must be recorded using data from an on -site rain gauge. Unattended sites may be eligible for a waiver of the rain gauge requirement.
4 See General Permit, Table 3 identifying the especially sensitive receiving water classifications where the more protective benchmark applies.
s Total Toxic Organics sampling is applicable only for those facilities which perform metal finishing operations, manufacture semiconductors, manufacture
electronic crystals, or manufacture cathode ray tubes. For purposes of this permit the definition of Total Toxic Organics is that definition contained in the EPA
Effluent Guidelines for the facility subject to the requirement to sample (for metal finishing use the definition as found in 40 CFR 433.11; for semiconductor
manufacture use the definition as found in 40 CFR 469.12; for electronic crystal manufacture use the definition as found in 40 CFR 469.22; and for cathode ray
tube manufacture use the definition found in 40 CFR 469.31).
Permit Date: 11/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
Pagel of 3

Facilities that incorporate a solvent management plan into the Stormwater Pollution Prevention Plan may so certify, and the requirement for TTO monitoring
may be waived. The solvent management plan shall include a list of total toxic organic compounds used and the other elements listed in the General
Permit. For those facilities electing to employ the TTO monitoring waiver, the discharger shall sign the following certification statement:
"Based upon my inquiry of the person or persons directly responsible for managing compliance with the permit monitoring requirement for total toxic organics
(TTO), t certify that to the best of my knowledge and belief, no dumping of concentrated toxic organics into the stormwater or areas which are exposed to rainfall or
stormwater runoff has occurred since filing the last discharge monitoring report. I further certify that this facility is implementing the all the provisions of the
solvent management plan included in the Stormwater Pollution Prevention Plan."
NA
Name (Print name)
Title (Print title)
N/A _
(Signature)
(Date)
Note: Results must be reported in numerical format. Do not report Below Detection Limit, BDL, <PQL, Non -detect, ND, or other similar non -numerical
format. When results are below the applicable limits, they must bereported _in the format, "<XX mg/L", where XX is the numerical value of the detection
limit, reporting limit, etc. in mg/L.
Note: If you report a sample value in excess of the benchmark, you must implement Tier 1, Tier 2, or Tier 3 responses. See General Permit text.
Part B: Vehicle Maintenance Area Monitoring Results: only for facilities averaging > 55 gal of new oil per month.
❑ No discharge this period?2
Outfall No.
Date Sample
Collected'
(mo/dd/yr)
24-hour rainfall
amount,
Inches3
Non -polar O&G/TPH by
EPA 1664 (SGT-HEM)
Total Suspended Solids
pH
Benchmarks
15 mg/L
100 mg/L or So mg/L*
6.0 — 9.0 SU
N/A
N/A
N/A
N/A
N/A
N/A
Footnotes from Part A also apply to this Part B
* See General Permit text, Table S, identifying the especially sensitive receiving water classifications where the more protective benchmark applies.
Permit Date: 11/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 2 of 3

Note: If you report a sample value in excess of the benchmark, you must implement Tier 1, Tier 1, or Tier 3 responses. See General Permit text.
FOR PART A AND PART B MONITORING RESULTS:
• A BENCHMARK EXCEEDANCE TRIGGERS TIER 1 REQUIREMENTS. SEE PERMIT PART If SECTION B.
• 2 EXCEEDANCES IN A ROW FOR THE SAME PARAMETER AT THE SAME OUTFALL TRIGGER TIER 2 REQUIREMENTS. SEE PERMIT PART 11 SECTION B.
• TIER 3: HAS YOUR FACILITY HAD 4 OR MORE BENCHMARK EXCEEDENCES FOR THE SAME PARAMETER AT ANY ONE OUTFALL? YES ® NOD
IF YES, HAVE YOU CONTACTED THE DWQ REGIONAL OFFICE? YES NO ❑
REGIONAL OFFICE CONTACT NAME: Letter sent to Mr. Mike Parker on May 7` and November 21"
Mail an on inal and one copy of this DMR indudin all "No Discharge" reports, within 30 days of receipt of the lab results or at end of monitoringeriod
in the case of "No Discharge" reports) to:
Division of Water Quality
Attn: DWQ Central Files
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
YOU MUST SIGN THIS CERTIFICATION FOR ANY INFORMATION REPORTED:
"I certify, under penalty of law, that this document and all attachments were prepared under my direction or supervision in accordance with a system designed to
assure that qualified personnel properly gather and evaluate the information submitted. Based on my inquiry of the person or persons who manage the system, or
those persons directly responsible for gathering the information, the information submitted is, to the best of my knowledge and belief, true, accurate, and complete.
am awarrem/ghat theme are significant penalties for submitting false information, including the possibility of fines and imprisonment for knowing violations."
(Signature of Permittee)
(Date)
Permit Date: 11/1/2012-10/31/2017
SWU-245, last revised 10/25/2012
Page 3 of 3

CORNING
January 21 ", 2015
Steve Street
Sr. EHS Coordinator
Division of Water Quality
Attn: DWQ Central Files
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
Dear Sir/Madam-
Hickory Manufacturing and t 828-901-6695
Technology Center t 828-901-5665
Po Box 489 [e-mail]
Hickory, NC 28603 www.corning.com
Please find enclosed an original and one (1) copy of the Stormwater Discharge Monitoring
Report for Corning Optical Communications, LLC - Hickory Manufacturing and Technology
Center (HMTC) located in Hickory, Catawba County, North Carolina. The stormwater
samples were collected on 12/05/2014 for all permitted outfalls and represent the monthly
sample as specified in the Tier 11 requirements of HMTC's stormwater permit.
The results are mixed and reflect HMTC to be outside the benchmark value for the following
parameters:
• Copper - Stormwater Outfall 1, 2, and 3
• TSS - Stormwater Outfall 2
• Zinc - Stormwater Outfall 1, 2, 3, and 5
Additional attachments include the Laboratory Analytical Report, Chain -of -Custody, and the
Qualitative Monitoring Report,
Please contact me if you have any questions at 828-901-6695.
Sincerely, R E,C � VI.-
D
Stephen L Street - oj!p ; r„
Senior Environmental, Health and Safety Coordinator 8TOR%VA- r f� ` .i
attachments

Semi-annual Stormwater Discharge Monitorinp, Report
for h Carolina Division of Water Quality General Permit No. NCG030000
hcc-6360��
Date sub itted: 12/16/201
4
CERTIFICATE OF COVERAG NO. NC 30000 SAMPLE COLLECTION YEAR: 2014
FACILITY NAME: Hicko an uring and Technology Center SAMPLE PERIOD ❑Jan -June ❑July -Dec
COUNTY: Catawba or � Monthly' — November
PERSON COLLECTING SAMPLES: Steve Street DISCHARGING TO CLASS ❑OR1M-'❑HCtW []Trout ❑PNA
LABORATORY: Water Tech Labs Lab Cert. # 50
Comments on sample collection or analysis:
Part A: Stormwater Benchmarks and Monitoring Results
QZero-flow ❑Water Supply [:]SA
/❑Other
RECEIVE
PLEASE REMEMBER TO SIGN ON PAGES 2 AND/OR 3
DEC 23 Z014
CENTRAL FILES
M R SECTION ❑ No discharge this period?Z
4
Date Sample
24-hour rainfall
pH,
Non -Polar 0&6/
Total Toxic
Outfall No.
Collected)
amount,
Total Suspended Solids
Standard units
Copper
Lead
Zinc
Total Petroleum
Organicss
(mo/dd/yr)
Inches3
Hydrocarbons
Benchmarks =_=>
_
-
100 mg/L or 50 mg/L
6.0 — 9.0
0.007 mg/L
0.03 mg/L
0.067 mg/L
15 mg/L
1 mg/L
1
11/17/14
.65"
12.4 mg/I
6.82
.014 mg/I
<.003 mg/I
.399 mg/I
10.7 mg/f
N/A
2
11/17/24
.65"
38.7 mg/I
7.10
.046 mg/I
.011 mg/I
1.07 mg/I
<5.6 mg/1
N/A
3
11/17/14
.65"
10.7 mg/l
6.50
.014 mg/I
<.003 mg/I
.428 mg/I
5.8 mg/I
N/A
5
11/17/14
.65"
31 mg/I
7.08
.006 mg/I
.004 mg/I
.141 mg/I
<5.6 mg/1
N/A
1 Monthly sampling (instead of semi-annual) must begin with the second consecutive benchmark exceedance for the same parameter at the same outfall.
2 For sampling periods with no discharge at any single outfall, you must still submit this discharge monitoring report with a checkmark here.
3The total precipitation must be recorded using data from an on -site rain gauge. Unattended sites may be eligible for a waiver of the rain gauge requirement.
° See General Permit, Table 3 identifying the especially sensitive receiving water classifications where the more protective benchmark applies.
5 Total Toxic Organics sampling is applicable only for those facilities which perform metal finishing operations, manufacture semiconductors, manufacture
electronic crystals, or manufacture cathode ray tubes. For purposes of this permit the definition of Total Toxic Organics is that definition contained in the EPA
Effluent Guidelines for the facility subject to the requirement to sample (for metal finishing use the definition as found in 40 CFR 433.11; for semiconductor
manufacture use the definition as found in 40 CFR 469.12; for electronic crystal manufacture use the definition as fo nd in 40 CFR 469.22; and for cathode ray
tube manufacture use the definition found in 40 CFR 469.31). FILE 'Go" OF'Y
Permit Date: 11/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 1 of 3

Facilities that incorporate a solvent management plan into the Stormwater Pollution Prevention Plan may so certify, and the requirement for TTO monitoring
may be waived. The solvent management plan shall include a list of the total toxic organic compounds used and the other elements listed in the General
Permit., For those facilities electing to employ the TTO monitoring waiver, the discharger shall sign the following certification statement:
"Based upon my inquiry of the person or persons directly responsible for managing compliance with the permit monitoring requirement for total toxic organics
(TTO), I certify that to the best of my knowledge and belief, no dumping of concentrated toxic organics into the stormwater or areas which are exposed to rainfall or
stormwater runoff has occurred since filing the last discharge monitoring report. I further certify that this facility is implementing the all the provisions of the
solvent management plan included in the stormwater Pollution Prevention Plan."
NIA - — -
Name (Print name)
Title (Print title)
N/A
(Signature)
(Date)
Note: Results must be reported in numerical format. Do not report Below Detection Limit, BDL, <PQL, Non -detect, ND, or other similar non -numerical
format. When results are below the applicable limits, they must be reported in the format. "<XX me/L", where XX is the numerical value of the detection
limit, reporting limit, etc. in mg/L.
Note. if you report a sample value in excess of the benchmark, you must implement Tier 1, Tier 2, or Tier 3 responses. See General Permit text.
Part B: Vehicle Maintenance Area Monitoring Results: only for facilities averaging > 55 gal of new oil per month.
❑ No discharge this period?Z
Outfall No.
Date Sample
Collected'
(mo/dd/yr)
24-hour rainfall
amount,
Inches3
Non -polar O&G/TPH by
EPA 1664 (SGT-HEM)
Total Suspended Solids
pH
Benchmarks ===>
-
-
15 mg/L
100 mg/L or 50 mg/L*
6.0 — 9.0 SU
N/A
N/A
N/A
N/A
N/A
N/A
Footnotes from Part A also apply to this Part B
* See General Permit text, Table 5, identifying the especially sensitive receiving water classifications where the more protective benchmark applies.
N
Permit Date: 11/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 2 of 3

Note: If you report a sample value in excess of the benchmark, you must implement Tier 1, Tier 2, or Tier 3 responses. See General Permit text.
FOR PART A AND PART B MONITORING RESULTS:
• A BENCHMARK EXCEEDANCE TRIGGERS TIER 1 REQUIREMENTS. SEE PERMIT PART it SECTION B.
• 2 EXCEEDANCES IN A ROW FOR THE SAME PARAMETER AT THE SAME OUTFALL TRIGGER TIER 2 REQUIREMENTS. SEE PERMIT PART II SECTION B.
• TIER 3: HAS YOUR FACILITY HAD 4 OR MORE BENCHMARK EXCEEDENCES FOR THE SAME PARAMETER AT ANY ONE OUTFALL? YES ® NO❑
IF YES, HAVE YOU CONTACTED THE DWQ REGIONAL OFFICE? YES NO [3REGIONAL OFFICE CONTACT NAME: Letter sent to Mr. Mike Parker on May 7` and November 21"
Moil an oriainal and one covv of this DMR, includina all "No Discharae" reports. within 30 days of receipt of the lab results for at end of monitorina period
in the case of "No Discharae" reports) to:
Division of Water Quality
Attn: DWQ Central Files
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
YOU MUST SIGN THIS CERTIFICATION FOR ANY INFORMATION REPORTED:
"I certify, under penalty of law, that this document and all attachments were prepared under my direction or supervision in accordance with a system designed to
assure that qualified personnel properly gather and evaluate the information submitted. Based on my inquiry of the person or persons who manage the system, or
those persons directly responsible for gathering the information, the information submitted is, to the best of my knowledge and belief, true, accurate, and complete. I
am aware that th�e,are significant penalties for submitting false information, including the possibility of fines and imprisonment for knowing violations."
(Signature of Permittee)
(Date)
Permit Date: 11/1/2012-10/31/2017
SWU-245, last revised 10/25/2012
Page 3 of 3

Semi-annual Stormwater Discharge Monitoring Report
for North Carolina Division of Water Quality General Permit No. NCG030000
Y � Date submitted: 12 03 2014
V �r �U
CERTIFICATE OF COVERAGE NO. NCG030000 SAMPLE COLLECTION YEAR: 2014
FACILITY NAME: Hickory Manufacturing and Technology Center
COUNTY: Catawba
PERSON COLLECTING SAMPLES: Steve Street
LABORATORY: Water Tech Labs Lab Cert. # 50
Comments on sample collection or analysis:
Part A: Stormwater Benchmarks and Monitoring Results
SAMPLE PERIOD ❑ Jan -June ❑ July -Dec
or ® Monthly' — October
_DISCHARGING TO CLASS ❑ORW []HQW ❑Trout ❑PNA
[]Zero -flow ❑Water Supply ❑5A
DEC 0..8 2014 U ❑other- -- -
CENTRA' L FILES PLEASE REMEMBER TO SIGN ON PAGES 2 AND/OR 3 4
DWR SECTION
❑ No discharge this period?Z
Date Sample
24-hour rainfall
pH,
Non -Polar O&G/
Total Toxic
Outfall No.
Collected'
amount,
Total Suspended Solids
Standard units
Copper
Lead
Zinc
Total Petroleum
Organics$
(mo/dd/yr)
Inches3
Hydrocarbons
Benchmarks =_>
_
-
100 mg/L or 50 mg/L
6.0 — 9.0
0.007 mg/L
0.03 mg/L
0.067 mg/L
15 mg/L
1 mg/L
1
10/31/14
.17"
23.3 mg/I
7.24
.008 mg/l
.005 mg/I
.285 mg/1
<5.6 mg/I
N/A
2
10/31/14
.17"
130 mg/I
7.19
.033 mg/I
.016 mg/I
1.54 mg/I
<5.6 mg/1
N/A
3
10/31/14
.17"
164 mg/f
7.13
.024 mg/I
.019 mg/I
1.90 mg/I
<5.6 mg/I
N/A
5
10/31/14
.17"
80 mg/I
7.15
.005 mg/I
<.005 mg/1
.165 mg/I
I <5.6 mg/I
N/A
' Monthly sampling (instead of semi-annual) must begin with the second consecutive benchmark exceedance for the same parameter at the same outfall.
2 For sampling periods with no discharge at any single outfall, you must still submit this discharge monitoring report with a checkmark here.
3The total precipitation must be recorded using data from an on -site rain gauge. Unattended sites may be eligible for a waiver of the rain gauge requirement.
° See General Permit, Table 3 identifying the especially sensitive receiving water classifications where the more protective benchmark applies.
s Total Toxic Organics sampling is applicable only for those facilities which perform metal finishing operations, manufacture semiconductors, manufacture
electronic crystals, or manufacture cathode ray tubes. For purposes of this permit the definition of Total Toxic Organics is that definition contained in the EPA
Effluent Guidelines for the facility subject to the requirement to sample (for metal finishing use the definition as found in 40 CFR 433.11; for semiconductor
manufacture use the definition as found in 40 CFR 469.12; for electronic crystal manufacture use the definition as found in 40 CFR 469.22; and for cathode ray
tube manufacture use the definition found in 40 CFR 469.31).
Permit Date: 11/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 1 of 3

Facilities that incorporate a solvent management plan into the Stormwater Pollution Prevention Plan may so certify, and the requirement for TTO monitoring
may be waived. The solvent management plan shall include a list of the total toxic organic compounds used and the other elements listed in the General
Permit. For those facilities electing to employ the TTO monitoring waiver, the discharger shall sign the following certification statement:
"Based upon my inquiry of the person or persons directly responsible for managing compliance with the permit monitoring requirement for total toxic organics
(TTO), I certify that to the best of my knowledge and belief, no dumping of concentrated toxic organics into the stormwater or areas which are exposed to rainfall or
stormwater runoff has occurred since filing the last discharge monitoring report. I further certify that this facility is implementing the all the provisions of the
solvent management plan included in the Stormwater Pollution Prevention Plan."
N/A
Name (Print name)
N/A
Title (Print title)
1A -- - -
(Signature) (Date)
Note: Results must be reported in numerical format. Do not report Below Detection Limit, BDL, <PQL, Non -detect, ND, or other similar non -numerical
format. When results are below the applicable limits, they must be reported in the format, "<XX me/L', where XX is the numerical value of the detection
limit, reporting limit, etc. in mg/L.
Note: if you report a sample value in excess of the benchmark, you must implement Tier .1, Tier 2, or Tier 3 responses. See General Permit text.
Part S: Vehicle Maintenance Area Monitoring Results: only for facilities averaging > 55 gal of new oil per month.
❑ No discharge this period?2
Qutfall No.
Date Sample
Collected,
(mo/dd/yr)
24-hour rainfall
amount,
Inches3
Non -polar O&G/TPH by
EPA 1664 (SGT-HEM)
Total Suspended Solids
pH
Benchmarks
15 mg/L
100 mg/L or 50 mg/L*
6.0 — 9.0 SU
N/A
N/A
N/A
N/A
N/A
N/A
Footnotes from Part A also apply to this Part B
* See General Permit text, Table 5, identifying the especially sensitive receiving water classifications where the more protective benchmark applies.
Permit Date: 11/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 2 of 3

Note: if you report a sample value in excess of the benchmark, you must implement Tier 1, Tier 2, or Tier 3 responses. See General Permit text.
FOR PART A AND PART B MONITORING RESULTS:
• A BENCHMARK EXCEEDANCE TRIGGERS TIER 1 REQUIREMENTS. SEE PERMIT PART II SECTION B.
• 2 EXCEEDANCES IN A ROW FOR THE SAME PARAMETER AT THE SAME OUTFALL TRIGGER TIER 2 REQUIREMENTS. SEE PERMIT PART Il SECTION B.
• TIER 3: HAS YOUR FACILITY HAD 4 OR MORE BENCHMARK EXCEEDENCES FOR THE SAME PARAMETER AT ANY ONE OUTFALL? YES ® NO❑
IF YES, HAVE YOU CONTACTED THE DWQ REGIONAL OFFICE? YES NO ❑
REGIONAL OFFICE CONTACT NAME: Letter sent to Mr. Mike Parker on May 7 and November 21"
Mail an original and one copy of this DMR, including all "No Discharge-" reports within 30 days of receipt of the lab results or at end of monitoring period
In the case of "No Discharge�- reorts) to:
Division of Water Quality
Attn: DWQ Central Files
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
YOU MUST SIGN THIS CERTIFICATION FOR ANY INFORMATION REPORTED:
"I certify, under penalty of law, that this document and all attachments were prepared under my direction or supervision in accordance with a system designed to
assure that qualified personnel properly gather and evaluate the information submitted. Based on my inquiry of the person or persons who manage the system, or
those persons directly responsible far gathering the information, the information submitted is, to the best of my knowledge and belief, true, accurate, and complete. I
am aware that there are-significantp4�nalties for submitting false information, including the possibility of fines and imprisonment for knowing violations."
(Signature of Permittee)
(Date)
Permit Date: 11/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 3 of 3

Nc (,;- o3ca 1/0
Steve Street Hickory Manufacturing and
CORNING
Sr. EHS Coordinator Technology Center
PO Box 489
Hickory, NC 28603
December 3rd, 2014
Division of Water Quality
Attn: DWQ Central Files
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
Dear Sir/Madam:
1 82 8-901-6695
f828-901-5665
[e-mail]
www.corning.com
Please find enclosed an original and one (1) copy of the Stormwater Discharge Monitoring
Report for Corning Optical Communications, LLC — Hickory Manufacturing and Technology
Center (HMTC) located in Hickory, Catawba County, North Carolina. The stormwater
samples were collected on 10/31/2014 for all permitted outfalIs and represent the monthly
sample as specified in the Tier 11 requirements of HMTC's stormwater permit.
The results are mixed and reflect HMTC to be outside the benchmark value for the following
parameters:
• Copper — Stormwater Outfall 1, 2, and 3
• TSS — Stormwater Outfall 2 and 3
• Zinc — Stormwater Outfall 1, 2, 3, and 5
Additional attachments include the Laboratory Analytical Report, Chain -of -Custody, and the
Qualitative Monitoring Report.
Please contact me if you have any questions at 828-901-6695.
Sincerely, R�cj� JVED
OEC 0,8 2014
pEN7-R L -
Stephen L Street U�lR S�CrJoN
Senior Environmental, Health and Safety Coordinator
attachments

Semi-annual Stormwater Discharize Monitoring Re ort
for North Carolina Division of Water Quality General Permit No. NCG030000
Date submitted: 12/03/2014
CERTIFICATE OF COVERAGE NO. N00030000
FACILITY NAME: Hickory Manufacturing and Technology Center
COUNTY: Catawba
PERSON COLLECTING SAMPLES: Steve Street
LABORATORY: Water Tech Labs Lab Cert. # 50
Comments on sample collection or analysis:
Part A: Stormwater Benchmarks and Monitoring Results
SAMPLE COLLECTION YEAR: 2014
SAMPLE PERIOD ❑ Jan -June ❑ July -Dec
or ® Monthly'— October
DISCHARGING TO CLASS ❑ORW ❑HQW ❑Trout ❑PNA
❑Zero -flow ❑Water Supply ❑SA
❑Other
PLEASE REMEMBER TO SIGN ON PAGES 2 AND/OR 3 4
❑ No discharge this period?'
Date Sample
24-hour rainfall
pH,
Non -Polar O&G/
Total Toxic
Outfall No.
Collected'
amount,
Total Suspended Solids
Standard units
Copper
Lead
Zinc
Total Petroleum
Organicss
(mo/dd/yr)
lnches3
Hydrocarbons
Benchmarks =__>
-
-
100 mg/L or 50 mg/L
6.0 — 9.0
0,007 mg/l_
0.03 mg/L
0.067 mg/L
15 mg/L
1 mg/L
1
10/31/14
.17"
23.3 mg/I
7.24
.008 mg/I
.005 mg/I
.285 mg/I
<5.6 mg/I
N/A
2
10/31/14
.17"
130 mg/l
7.19
.033 mg/I
.016 mg/I
1.54 mg/I
<5.6 mg/I
N/A
3
10/31/14
.17"
164 mg/1
7.13
.024 mg/I
.019 mg/I
1.90 mg/l
<5.6 mg/I
N/A
5
10/31/14
.17"
80 mg/I
1 7.15
.005 mg/I
<.005 mg/I
.165 mg/I
<5.6 mg/I
N/A
1 Monthly sampling (instead of semi-annual) must begin with the second consecutive benchmark exceedance for the same parameter at the same outfall.
2 For sampling periods with no discharge at any single outfall, you must still submit this discharge monitoring report with a checkmark here.
3The total precipitation must be recorded using data from an on -site rain gauge. Unattended sites may be eligible for a waiver of the rain gauge requirement.
' See General Permit, Table 3 identifying the especially sensitive receiving water classifications where the more protective benchmark applies.
5 Total Toxic Organics sampling is applicable only for those facilities which perform metal finishing operations, manufacture semiconductors, manufacture
electronic crystals, or manufacture cathode ray tubes. For purposes of this permit the definition of Total Toxic Organics is that definition contained in the EPA
Effluent Guidelines for the facility subject to the requirement to sample (for metal finishing use the definition as found in 40 CFR 433.11; for semiconductor
manufacture use the definition as found in 40 CFR 469.12; for electronic crystal manufacture use the definition as found in 40 CFR 469.22; and for cathode ray
tube manufacture use the definition found in 40 CFR 469.31).
Permit Date: 11/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 1 of 3

Facilities that incorporate a solvent management plan into the Stormwater Pollution Prevention Plan may so certify, and the requirement for TTO monitoring
may be waived. The solvent management plan shall include a list of the total toxic organic compounds used and the other elements listed in the General
Permit. For those facilities electing to employ the TTO monitoring waiver, the discharger shall sign the following certification statement:
"Based upon my inquiry of the person or persons directly responsible for managing compliance with the permit monitoring requirement for total toxic organics
(TTO), I certify that to the best of my knowledge and belief, no dumping of concentrated toxic organics into the stormwater or areas which are exposed to rainfall or
stormwater runoff has occurred since filing the last discharge monitoring report. I further certify that this facility is implementing the all the provisions of the
solvent management plan included in the 5tormwater Pollution Prevention Plan."
Name (Print name)
N/A
Title (Print title)
N/A
(Signature) (Date)
Note: Results must be reported in numerical format. Do not report Below Detection Limit, BDL, <PQL, Non -detect, ND, or other similar non -numerical
format. When results are below the applicable limits, they must be reported in the format "<XX m L" where XX is the numerical value of the detection
limit, reporting limit, etc. in mg/L.
Note: if you report a sample value in excess of the benchmark, you must implement Tier 1, Tier 2, or Tier responses. See General Permit text.
Part B: Vehicle Maintenance Area Monitoring Results: only for facilities averaging > 55 gal of new oil per month.
❑ No discharge this period?'
Outfall No.
bate Sample
Collected'
(mo/dd/yr)
24-hour rainfall
amount,
Inches3
Non -polar O&G/TPH by
EPA 1664 (SGT-HEM)
Total Suspended Solids
pH
Benchmarks ===>
-
-
15 mg/L
100 mg/L or 50 mg/L*
6.0 -- 9.0 SU
N/A
N/A
N/A
N/A
N/A
N/A
Footnotes from Part A also apply to this Part B
* See General Permit text, Table 5, identifying the especially sensitive receiving water classifications where the more protective benchmark applies.
Permit Date: 11/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 2 of 3

Note: If you report a sample value in excess of the benchmark, you must implement Tier 1, Tier 2, or Tier 3 responses. See General Permit text.
FOR PART A AND PART B MONITORING RESULTS:
• A BENCHMARK EXCEEDANCE TRIGGERS TIER 1 REQUIREMENTS. SEE PERMIT PART II SECTION B.
• 2 EXCEEDANCES IN A ROW FOR THE SAME PARAMETER AT THE SAME OUTFALL TRIGGER TIER 2 REQUIREMENTS. SEE PERMIT PART II SECTION B.
• TIER 3: HAS YOUR FACILITY HAD 4 OR MORE BENCHMARK EXCEEDENCES FOR THE SAME PARAMETER AT ANY ONE OUTFALL? YES ® NOD
1F YES, HAVE YOU CONTACTED THE DWQ REGIONAL OFFICE? YES NO ❑
REGIONAL OFFICE CONTACT NAME: Letter sent to Mr. Mike Parker on May 7= and November 2l"
Mail an original and one copy of this DMR, including all "No Discharge" reports within 30 days of receipt of the lab results for at end of monitoring period
in the case_of_"No Discharge" reportsi to:
Division of Water Quality
Attn: DWQ Central Files
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
YOU MUST SIGN THIS CERTIFICATION FOR ANY INFORMATION REPORTED:
"I certify, under penalty of law, that this document and all attachments were prepared under my direction or supervision in accordance with a system designed to
assure that qualified personnel properly gather and evaluate the information submitted. Based on my inquiry of the person or persons who manage the system, or
those persons directly responsible for gathering the information, the information submitted is, to the best of my knowledge and belief, true, accurate, and complete. I
am aware that there are,significantpgnalties for submitting false information, including the possibility of fines and imprisonment for knowing violations."
(Signature of Permittee)
(Date)
Permit Date: 11/1/2012-10/31/2017
SWU-245, last revised 10/25/2012
Page 3 of 3

I+dgrmi m LRRR.Inc.
POST OFFICE BOX 1056 • #5 PINEWOOD PLAZA DR.
GRANITE FALLS. NORTH CAROLINA 28630
[phone]
SAMPLE: Corning Optical (001) COLLECTION DATE: 10/31 /2014
PERMIT #: COLLECTION TIME: 18:50
ADDRESS: Corning Optical RECEIVED DATE: 11/3/2014
P.O. Box 489 RECEIVED TIME. 08:55
Hickory, NC 28603-0489
REPORTED: 11 /21 /2014
ANALYSIS
ANALYSIS
RESULTS
UNITS
DATE ANALYST
Lead
U05
mg1L
1117114
TSS
23.3
mg1L
1115114 jrg
Copper
0.008
mg1L
11/7114
Zinc
0.285
mg1L
11/7114
Oil & Grease
<5.6
mg1L
1113114 jdg
IL --- ---� -- — — -- -- -- --- -- — —_ — aI
LOG ID: 1411-002 REPORTED BY: NC CERTIFIED LAB # 50
fpl� r(' 0 i'
Tony Gragg, Lab Supervisor

1dRrffR4rjECH LIT85mc.
POST OFFICE BOX 1056 • #5 PINEWOOD PLAZA DR.
GRANITE FALLS, NORTH CAROLINA 28630
[phone]
SAMPLE: Corning Optical (002) COLLECTION DATE: 10/31/2014
PERMIT #: COLLECTION TIME: 18:40
ADDRESS: Corning Optical RECEIVED DATE: 11/3/2014
P.O. Box 489 RECEIVED TIME: 08:55
Hickory, NC 28603-0489
REPORTED: 11 /21 /2014
-- -
-- ----ANALYSIS
ANALYSIS
RESULTS
UNITS
DATE ANALYST
Lead
0,016
mg/L
1117114
TSS
130
mg1L
11/5114 jrg
Copper
0.033
mg1L
11/7114
Zinc
1,54
mg/L
11/7/14
Oil & Grease
<5.6
mg/L
11/3114 jdg
LOG ID: 1411-003 REPORTED BY: NC CERTIFIED LAB # 50
fo�
Tony Gragg, Lab Supervisor

1dRrIER4rrCH LRH.S.Inc.
POST OFFICE BOX 1056 • ##5 PINEWOOD PLAZA DR.
GRANITE FALLS. NORTH CAROLINA 28630
[phone]
SAMPLE: Corning Optical (003) COLLECTION DATE: 10/31/2014
PERMIT #.- COLLECTION TIME. 18:42
ADDRESS: Corning Optical RECEIVED DATE: 11/312014
P.O. Box 489 RECEIVED TIME: 08-155
Hickory, NC 28603-0489
REPORTED: 11 /21 /2014
ANALYSIS
ANALYSIS
RESULTS
UNITS
DATE ANALYST j
Lead
0.019
mg/L
1117114
TSS
164
mg1L
11/5114 jrg
Copper
0.024
mg/L
11/7114
Zinc
1.90
mg1L
1117114
Oil & Grease
<5.6
mg/L
1113114 idg
LOG ID: 1411-004 REPORTED BY: NC CERTIFIED LAB # 50
fk*
Tony Gragg, Lab Supervisor

WRTER6rrCH LRO.S.M..
POST OFFICE BOX 1056 • #5 PINEWOOD PLAZA DR.
GRANITE FALLS, NORTH CAROLINA 28630
[phone]
SAMPLE: Corning Optical (005) COLLECTION DATE: 10/31/2014
PERMIT #: COLLECTION TIME: 19:00
ADDRESS: Corning Optical RECEIVED DATE: 11/3/2014
P.O. Box 489 RECEIVED TIME: 08:55
Hickory, NC 28603-0489
REPORTED: 11 /21 /2014
ANALYSIS
--__
ANALYSIS
RESULTS
UNITS
DATE ANALYST
Lead
<0.005
mg/L
1117114
TSS
80.0
mg/L
1115114 jrg
Copper
0,005
mg/L
1117114
Zinc
0.165
mg/L
1117114
Oil & Grease
<5.6
mg/L
11/3/14 jdg
LOG ID: 1411-005 REPORTED BY: NCC�CERTIFIED LAB # 50
fe" �' 0 P
'Pony Gragg, I_ab Supervisor

�t*��s� �rrrgii
F3RESEARCh & ANAlyTICAI ,,..
LABORATORIES, INC.
Analytical/Process Consultations w
Water Tech Labs. Inc. Date Sample Collected 10/31/14
P.O. Box 1056 Date Sample Received 11/07/14
Granite Falls, NC 28630 Date Sample Analyzed 11/07/14
Attn: Joe Gragg Date of Report 11/18/14
Analyses Performed by AA
Lab Sample Number Lab Sample Number Lab Sample Number
799148 799149 799150
Parameter Strret # Results Results Results
Copper,Tot (01042)
Lead,Tot (01051)
2inc,Tot (01092)
Clients Sample Source
Number
Time Collected (Hrs)
0.008 mg/I
0.005 mg/l
0.285 mg/I
0.033 mg/l
0.016 mg/l
1.54 mg/l
0.024 mg/l
0.019 mg/l
1.90 mg/l
CORNING CABLE 001 CORNING CABLE 002 CORNING CABLE 003
1850
1840
1842
P.O. Box 473 • 106 Short Street • Kernersvi Ile, North Carolina 27284 • 336-996-2841 • Fax [phone]
www.randalabs.com

RESEARCh & ANALyTICA[
LkORATORIES, INC.
Analytical/Process Consultations
Water Tech Labs. Inc.
P.O. Box 1056
Granite Falls, NC 28630
Attn: Joe Gragg
Date Sample Collected
Date Sample Received
Date Sample Analyzed
Date of Report
Analyses Performed by
Lab Sample Number
--------------------
799151
Parameter Storet ## Results
Copper,Tot (01042) 0.005 mg/1
Lead,Tot (01051) c0.005 mg/l
7,inc,Tot (01092) 0,165 mg/l
--------------------
Clients Sample Source CORNING CABLE 005
Number
Time Collected (Hrs) 1900
10/31/14
11/07/14
11/07/14
11/18/1.4
AA
P 0. Box 473 • 106 Short Street • Kernersville, Narth Carolina 27284 • 336-995-2841 • Fax 336-996-C326
www.randalabs.com

WMAkTIEF T if ne
5 Pinewood Plaza Drive - P.O. Box 1056
Granite Falls, NC 28630
Phone [phone] Fax [phone]
CLIENT: Corning Cable Systems-TC Pit
c/o Steve Street
P.O Box 489
Hickory, NC 28603-0489
PHONE NUMBER: 828-327-5000
TYPE SAMPLE: Stormwater
No. LOCATIONS: 6
SAMPLER NAME:SS}r���
Sample Collection Information
TYPE
CONTAINERS
ANALYSIS REQUIRED
Sample Location
FacilityTEMP.
Name
DATEETIME
°C
Grab/
Composite
No
Plasticl
Glass
DischargeGrab
001
1Q'3+�+�
3
Glass Plastic/
TSS, Oil & Gr., Lead, Copper, Zinc
Discharge 002
p f31�,�
1f
O
Grab
3
lactic/
Glass
TSS, Oil & Gr., Lead, Copper, Zinc
Discharge 003
j
�d13j1 f'�
��,� i1�
Grab
3
Plastic/
Glass
TSS, Oil & Gr., Lead, Copper, Zinc
Discharge 005
16 f31 jj�
1 I
l9 ,60
Grab
3
GlaPlastiss/
TSS, Oil & Gr., Lead, Copper, Zinc
Relinquished By:
Date:
� 1�
Time:
;���
Recieved
Date:
Time:
Reli quished By:
Date:
Time:
Receiv By:
Date:
Time:
PRESERVATION:
[col 4°C
[�<SO4
[] NaOH
[ RNO3
[] Dechlomating Agent
[ j Other
SAMPLE TEMP. @ LAB (°C)
Chlorine Residual mgll
NC CERTIFIED LAB # 50

K
NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
For guidance on filling out thisform, please visit. http://pQrtal.ncdc-nr.grg./web/wq./ws/su/npdessw#tab-4
Permit No.: N/C/ 0/ 3/0/0/0/0/0/ or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and Technology Center - Corning Optical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Steve Street
Date of Inspection: 10131114
Time of Inspection: 6:50 pm
Total Event Precipitation (inches):.17"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureahle storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event' is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event' is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature, I ce thatis report is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
Pagel of 2
SWU-242, Last modified 10/25/2012

1. Outfall Description:
Outfall No. 001 Structure (pipe, ditch, etc.) Pipe
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: Reel storage, solid
waste containers designated for landfill, hazardous waste storage, and R&D building
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Color was light brown.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
1 0 3 4 5
5. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
1 25 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
1 n2 3 4 5
7. Is there any foam in the stormwater discharge? Yes 9�
8. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
Page 2 of 2
SWU-242, Last modified 10/25/2012

A"A
NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
For guidance on filling out this form, please visit:httl2./jp-Qrtal.-Udenr.-Qxg/web/3mq/ws.15u/npdes5w#tab-4
Permit No.:/C/ 0//0/Q/0/0/0/ or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and Technology Center - Corning Optical Communicatigns
County: Catawba Phone No.: 828-901-6f 95
Inspector: Steve Street
Date of Inspection: 10 31 14
Time of Inspection: 6.40 pm
Total Event Precipitation (inches):.17"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
® Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
13y this signature, [�certif�,that thisyeport is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
Pagel of 2
SWU-242, Last modified 10/25/2012

1. Outfall Description:
Outfall No. 002 Structure (pipe, ditch, etc.) Fine
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfali drainage area: Solid waste containers
designated for landfiiL_metal recycling container, and chemical_ stoarage area (covered .
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Discharge was light brown.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): NU gdgrswere prQsent.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
1 2 n3 4 5
5. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
1 Q2 3 4 5
b. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
1 2 0 4 5
7. Is there any foam in the stormwater discharge? Yes N�
8. Is there an oil sheen in the stormwater discharge? Yes NH
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe: The weather had been dry for a few weeks and a significant amount of gravel
dust was washed off of the surfaces during this rain event.
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
Page 2 of 2
SWU-242, Last modified 10/25/2012

A$ A
Q=;.�
5
NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
For guidance on filling out this form, please visit: httR//portal.ncdenr.org/weblwq/ws/su/npdessw#tab-4
Permit No.: N/C/ 0/ 3/0/0/0/0/0/ or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and Technology Center - Corning Optical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Steve Street
Date of Inspection: 10131114
Time of Inspection: 6:42 pm
Total Event Precipitation (inches):.17"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
® Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureablestorm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature, IIccertify that this report is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
Page 1 of 2
SWU-242, Last modiried 10/25/2012

1. Outfall Description:
Outfall No. Q Structure (pipe, ditch, etc.) Pipe
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: Reel storage, machine
shop, and warehouse.
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Discharge was mediumbrown.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
1 2 3 ® 5
5. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
1 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
1 2 3 ® 5
7. Is there any foam in the stormwater discharge? Yes No
8. Is there an oil sheen in the stormwater discharge? Yes No
9. is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe: The weather had been dry for a few weeks and a significant amount of gravel
dust was washed off of the surfaces during this rain event.
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
Page 2 of 2
SWU-242, Last modified 10/25/2012

2k
NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
For guidance on filling out this form, please visit: http://portal.ncdenr.org/wcb/wq/w-s/5u/`nl2drssw#tab-4
Permit No.: N/C/4/ 3/Q/0/0/0/0/ or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and Technology Center - Corning Optical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Steve Street
Date of Inspection: 10131114
Time of Inspection: 6:44 pm
Total Event Precipitation (inches):.17"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signat� hat this repo s accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
Pagel of 2
SWU-242, Last modified 10/25/2012

1. Outfall Description:
Outfall No. 004 Structure (pipe, ditch, etc.) Pipe
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: No industrial activities,
only a warehouse.
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Color was light brown..
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
1 0 3 4 5
5. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
Q 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
1 0 3 4 5
7. Is there any foam in the stormwater discharge? Yes NH
8. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
Page 2 of 2
SWU-242, Last modified 10/25/2012

NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
Forguidance on filling out this form, please visit: http://i2ortal.ncdenr.orglweb/wg/ws/su/npdessw#tab74
Permit No.: IV/C/ 0/ 3/0/D/0/0/0/ or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and Technology Center - Corning Optical Communications
County: C awba Phone No.: 828-901-6695
Inspector: Steve Street
Date of Inspection: 10/31/14
Time of Inspection: 7:00 pm
Total Event Precipitation (inches):.17"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
® Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
- -..-...-.._-..... .._... .......................... .._.-.-_.._-.-.-....-.......-_......_..-.._-.-.-.-.-.-.----..-.-.-..-
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event' is a storm event that results in an actual discharge from the 1
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee ;
obtains approval from the local DWQ Regional Office.
By this signatu ,Ice i that tom. eport is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
Pagel of 2
SWU-242, Last modified 10/25/2012

1. Outfall Description:
Outfall No. 005 Structure (pipe, ditch, etc.) Pine
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: Manufacture of fiber
optic cable and warehouse.
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Color was light brown..
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
1 3 4 5
S. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
1 Q2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
1 2 0 4 5
7. Is there any foam in the stormwater discharge? Yes No
8. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
Page 2 of 2
SWU-242, Last modified 10/25/2012

CORNING
November 2151, 2014
N'c,6- ozo
Steve Street
Sr. CHS Coordinator
Division of Water Quality
Attn: DWQ Central Files
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
Dear Sir/Madam:
Dy
Hickory Manufacturing and t 828-901-6695
Technology Center iB28-901-5665
PO Box 489 [e-mail]
Hickory, NC 28603 www,corring.com
RECEIVED
DEC 0 2 2014
CENTRAL FILES
DWR SECTION
Please find enclosed an original and one (1) copy of the Stormwater Discharge Monitoring
Report for Corning Optical Communications, LLC — Hickory Manufacturing and Technology
Center (HMTC) located in Hickory, Catawba County, North Carolina. The stormwater
samples were collected on 9/29/2014 for all permitted outfalls and represent the monthly
sample as specified in the Tier II requirements of HMTC's stormwater permit.
The results are mixed and reflect HMTC to be outside the benchmark value for the following
parameters:
• Copper — Stormwater Outfall 1, 3, and 5
• TSS — Stormwater Outfall 5
• Zinc — Stormwater Outfall 1, 2, 3, and 5
Additional attachments include the Laboratory Analytical Report, Chain -of -Custody, and the
Qualitative Monitoring Report.
Please contact me if you have any questions at 828-901-6695.
Sincerely,
Stephen L Street
Senior Environmental, Health and Safety Coordinator
attachments

Semi-annual Stormwater Discharge Monitoring Report
for North Carolina Division of Water Quality General Permit No. NCG030000
o a (- (G Date submitted: 11/21/2014
CERTIFICATE OF COVERAGE NO. NCG030000 SAMPLE COLLECTION YEAR: 2014
FACILITY NAME: Hickory Manufacturing and Technology Center
COUNTY: Catawba
PERSON COLLECTING SAMPLES: Steve Street
LABORATORY: Water Tech Labs Lab Cert. # 50
Comments on sample collection or analysis:
Part A: Stormwater Benchmarks and Monitoring Results
SAMPLE PERIOD ❑ Jan -June ❑ July -Dec
or ® Monthly' — September
DISCHARGING TO CLASS ❑ORW ❑HQW ❑Trout ❑PNA
[]Zero -flow ❑Water supply ❑SA
❑Other
PLEASE REMEMBER TO SIGN ON PAGES 2 AND/OR 3 4
❑ No discharge this period??
Date Sample
24-hour rainfall
pH,
Non -Polar O&G/Total
Toxic
Outfall No.
Collected'
amount,
Total Suspended Solids
Standard units
Copper
Lead
Zinc
Total Petroleum
Organicss
(mo/dd/yr)
lnches3
Hydrocarbons
Benchmarks =__>
_
-
100 mg/L or 50 mg/L
6.0 — 9.0
0.007 mg/L
0.03 mg/L
0.067 mg/L
15 mg/L
1 mg/L
1
9/29/14
.12"
3.1 mg/I
6.57
.009 mg/I
<.003 mg/1
.532 mg/I
<5.6 mg/I
N/A
2
9/29/14
.12"
5.4 mg/I
7.05
.005 mg/I
<.003 mg/I
.388 mg/I
<5.6 mg/I
N/A
3
9/29/14
.12"
3.2 mg/I
6.48
.010 mg/1
<.003 mg/I
.701 mg/I
<5.6 mg/I
N/A
5
9/29/14
.12"
292 mg/I
8.01
.009 mg/I
<.003 mg/I
.198 mg/I
<5.6 mg/I
N/A
1 Monthly sampling (instead of semi-annual) must begin with the second consecutive benchmark exceedance for the same parameter at the same outfall.
2 For sampling periods with no discharge at any single outfall, you must still submit this discharge monitoring report with a checkmark here.
3The total precipitation must be recorded using data from an on -site rain gauge. unattended sites may be eligible for a waiver of the rain gauge requirement.
° see General Permit, Table 3 identifying the especially sensitive receiving water classifications where the more protective benchmark applies.
5 Total Toxic Organics sampling is applicable only for those facilities which perform metal finishing operations, manufacture semiconductors, manufacture
electronic crystals, or manufacture cathode ray tubes. For purposes of this permit the definition of Total Toxic Organics is that definition contained in the EPA
Effluent Guidelines for the facility subject to the requirement to sample (for metal finishing use the definition as found in 40 CFR 433.11; for semiconductor
manufacture use the definition as found in 40 CFR 469.12; for electronic crystal manufacture use the definition as found in 40 CFR 469.22; and for cathode ray
tube manufacture use the definition found in 40 CFR 469.31).
Permit Date: 11/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 1 of 3

Facilities that incorporate a solvent management plan into the Stormwater Pollution Prevention Plan may so certify, and the requirement for TTO monitoring
may be waived. The solvent management plan shall include a list of the total toxic organic compounds used and the other elements listed in the General
Permit. For those facilities electing to employ the TTO monitoring waiver, the discharger shall sign the following certification statement:
"Based upon my inquiry of the person or persons directly responsible for managing compliance with the permit monitoring requirement for total toxic organics
(TTO), i certify that to the best of my knowledge and belief, no dumping of concentrated toxic organics into the stormwater or areas which are exposed to rainfall or
stormwater runoff has occurred since filing the last discharge monitoring report. I further certify that this facility is implementing the all the provisions of the
solvent management plan included in the Stormwater Pollution Prevention Plan."
N/A _
Name (Print name)
Title (Print title)
N A
(Signature) (Date)
Note: Results must be reported in numerical format. Do not report Below Detection Limit, BDL, <PQL, Non -detect, ND, or other similar non -numerical
format. When results are below the applicable limits, they must be reported in the format. "<XX mg/L", where XX is the numerical value of the detection
limit, reporting limit, etc. in mg/L.
Note: if you report a sample value in excess of the benchmark, you must implement Tier 1, Tier 2, or Tier 3 responses. See General Permit text.
Part B: Vehicle Maintenance Area Monitoring Results: only for facilities averaging > 55 gal of new oil per month.
❑ No discharge this period?2
Outfall No.
Date Sample
Collected'
(mo/dd/yrJ
24-hour rainfall
amount,
Inches
Non -polar O&G/TPH by
EPA 1664 (SGT-HEM)
Total Suspended Solids
pH
Benchmarks ===>
-
-
15 mg/L
100 mg/L or 50 mg/L*
6.0 — 9.0 SU
N/A
N/A
N/A
N/A
N/A
N/A
Footnotes from Part A also apply to this Part B
* See General Permit text, Table 5, identifying the especially sensitive receiving water classifications where the more protective benchmark applies.
Permit Date: 11/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 2 of 3

Note: If you report a sample value in excess of the benchmark, you must implement Tier 1, Tier 2, or Tier 3 responses. See General Permit text.
FOR PART A AND PART B MONITORING RESULTS:
• A BENCHMARK EXCEEDANCE TRIGGERS TIER 1 REQUIREMENTS. SEE PERMIT PART II SECTION B.
• 2 EXCEEDANCES IN A ROW FOR THE SAME PARAMETER AT THE SAME OUTFALL TRIGGER TIER 2 REQUIREMENTS. SEE PERMIT PART II SECTION B.
• TIER 3: HAS YOUR FACILITY HAD 4 OR MORE BENCHMARK EXCEEDENCES FOR THE SAME PARAMETER AT ANY ONE OUTFALL? YES ® NO❑
IF YES, HAVE YOU CONTACTED THE DWQ REGIONAL OFFICE? YES NO ❑
REGIONAL OFFICE CONTACT NAME: Letter sent to Mr. Mike Parker on May 7` _
Mail an original and one copy of this DMR, including all "No Discharge" reports, within 30 days of receipt of the lob results (or at end of monitoring period
in the case of "No Discharge" reports) to:
Division of Water Quality
Attn: DWQ Central Files
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
YOU MUST SIGN THIS CERTIFICATION FOR ANY INFORMATION REPORTED:
"I certify, under penalty of law, that this document and all attachments were prepared under my direction or supervision in accordance with a system designed to
assure that qualified personnel properly gather and evaluate the information submitted. Based on my inquiry of the person or persons who manage the system, or
those persons directly responsible for gathering the information, the information submitted is, to the best of my knowledge and belief, true, accurate, and complete.
am aware that there are sigroicant penaltigs for submitting false information, including the possibility of fines and imprisonment for knowing violations."
(Signature of Permittee)
(Date)
Permit Date: 11/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 3 of 3

NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
For guidance on filling out this form, please visit: http://12ortal.ncdenr.org/web/wq/ws/su/npdessw#tab-4
Permit No.: or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and Technology Center - Corning Optical Communications
County: Catawba Phone No.: 828-9.01-6695
Inspector: Steve Street
Date of Inspection: 9129114
Time of Inspection: :10 am
Total Event Precipitation (inches):.12"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
® Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signatu�ycertify that this_Wort is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
Pagel of 2
SWU-242, Last modified 10/25/2012

1. Outfall Description:
Outfall No. 001 Structure (pipe, ditch, etc.) Pipe
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: Reel storage solid
waste containers designated for landfill, hazardous waste storage. and R&D bui dine.
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Color was clear.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was 12resgnt.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
O1 2 3 4 5
5. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
N 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
1� 2 3 4 5
7. Is there any foam in the stormwater discharge? Yes No
8. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
Page 2 of 2
SWU-242, fast modified 10/25/2012

A,��
NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
For guidance on filling out this form, please visit: http;//aortal.ncdenr,org/web/wg/ws/suinpdessw#tab-4
Permit No.: or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and Technology Center - Corning Optical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Steve Street
Date of Inspection: 9129114
Time of Inspection: 06:18 am
Total Event Precipitation (inches):.12"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
® Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature, I certi6y� at this rePgrt is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
Pagel of 2
SWU-242, Last modified 10/25/2012

1. Outfall Description:
Outfall No. 002 Structure (pipe, ditch, etc.) Pipe
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: Solid waste containers
designated for landfill, metal recycling Container, and chemical stoarage area (covered).
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Discharge was clear.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odors were present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
�1 2 3 4 5
5. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
01 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
n1 2 3 4 5
7. Is there any foam in the stormwater discharge? Yes No
B. Is there an oil sheen in the stormwater discharge? Yes NH
9. Is there evidence of erosion or deposition at the outfali? Yes No
10. Other Obvious Indicators of stormwater Pollution: Non
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
Page 2 of 2
5WU-242, Last modiried 10/25/2012

A�
L.
NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
For guidance on filling out this form, please visit. http;//portal.ncdenr,org/web/wg/ws/su/npdessw#tab4
Permit No.: N/C/ 0/-2/0/0/0/0/0/ or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and Technology Center - Corning Optical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Steve Street
Date of Inspection: 9129114
Time of Inspection: 06:15 a
Total Event Precipitation (inches):.12"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
® Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event' is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signatuVcerti
that this ort is accurate and complete to the best of my knowledge:
l..
(Signature of Permittee or Designee)
Pagel of 2
SWU-242, Last modified 10/25/2012

1. Outfall Description:
Outfall No. 003 Structure (pipe, ditch, etc.) Pine
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfali drainage area: Reel storage, machine
shop. and warehouse.
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Discharge was clear.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
Q1 2 3 4 5
5. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
0 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
2 3 4 5
7. Is there any foam in the stormwater discharge? Yes No
8. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
Page 2 of 2
SWU-242, Last modified 10/25/2012

A'A
NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
For guidance on f►lling out this form, please visit. http_//portal.ncdenr.org/web/wg/ws/su/ni2dessw#tab-4
Permit No.: N/C/ 0/ 3/Q/Q/0/0/0/ or Certificate of Coverage No.:
Facility Name: Hicko,�r + Manufacturing and Technology Center - Corning Optical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Steve Street
Date of Inspection: 9129114
Time of Inspection: 6:20 am
Total Event Precipitation (inches):.12"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
© Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature, I certify that this report is accurate and complete to the best of my knowledge:
of Permittee or Designee)
Pagel of 2
5wU-242, Last modified 10/25/2012

1. Outfall Description:
Outfall No. 004 Structure (pipe, ditch, etc.) Pipe
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: No industrial activities,
only a warehouse.
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Color was clear.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
�1 2 3 4 5
S. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
W 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
n1 2 3 4 5
7. Is there any foam in the stormwater discharge? Yes No
8. Is there an oil sheen in the stormwater discharge? Yes
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
Page 2 of 2
SWU-242, Last modified 10/25/2012

WDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
Forguidance on filling out this form, please visit: http_//portal.ncdenr.org/web/wq/ws/su/npdessw#Wb-4
Permit No.: or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and Technology Center — Corning Optical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Steve Street
Date of Inspection: 9 29 14
Time of Inspection: 6:30 am
Total Event Precipitation (inches):.12"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
© Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature, I certify that this report is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
Pagel of 2
5WU-242, Last modified 10/25/2012

1. Outfall Description:
Outfall No. (Q055 Structure (pipe, ditch, etc.) Eime
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: Manufacture of fiber
optic cable and warehouse,
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Co1Qr was medium brown..
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
1 2 3 ® 5
S. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
1 2 0 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
1 2 3 ® 5
7. Is there any foam in the stormwater discharge? Yes No
8. Is there an oil sheen in the stormwater discharge? Yes No
% Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe: The cause of the high Total Suspended Solids count and turbidity was due to
construction activities in the area.
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
Page 2 of 2
SWU-242, Last modified 10/25/2012

wwrmiTECH LRH.S.I.C.
POST OFFICE BOX 1056 • #5 PINEWOOD PLAZA DR.
GRANITE FALLS, NORTH CAROLINA 28630
[phone]
SAMPLE: Corning Optical (001) COLLECTION DATE: 9/29/2014
PERMIT #: COLLECTION TIME: 06:10
ADDRESS: Corning Optical RECEIVED DATE: 9/29/2014
P.O. Box 489 RECEIVED TIME: 08:50
Hickory, NC 28603-0489
REPORTED: 10/30/2014
-
ANALYSIS
ANALYSIS
RESULTS
UNITS
DATE ANALYST
Lead
<0.003
mg/L
1013/14
TSS
3.1
mg/L
1011/14 jrg
Copper
0.009
mg/L
1013/14
Zinc
0.532
mg/L
1013/14
Oil & Grease
<5.6
mg/L
9129/14 jdg
LOG ID: 1409-490
REPORTED BY: NC CERTIFIED LAB # 50
fpl�
Tony Gragg, Lab Supervisor

WRTERgrECH L17115, c.
POST OFFICE BOX 1056 • #5 PINEWOOD PLAZA DR.
GRANITE FALLS, NORTH CAROLINA 28630
[phone]
SAMPLE: Corning Optical (002) COLLECTION DATE: 9/29/2014
PERMIT #: COLLECTION TIME: 06:18
ADDRESS: Corning Optical RECEIVED DATE: 9/29/2014
P.O. Box 489 RECEIVED TIME: 08:50
Hickory, NC 28603-0489
REPORTED: 10/30/2014
anra s s
ANALYSIS
RESULTS
UNITS
DATE ANALYST
-
-
Lead
<0.003
mglL
1013114
TSS
5.4
mglL
1011/14 jrg
Copper
0.005
mglL
1013/14
Zinc
0.388
mglL
1013/14
Oil &, Grease
<5.6
mg1L
9/29/14 jdg
LOG ID: 1409-491 REPORTED BY: NC CERTIFIED LAB # 50
fl�
Tony Gragg, Lab Supervisor

idn rER ECH iAe.S. In c.
• POST OFFICE BOX 1056 • #5 PINEWOOD PLAZA DR.
GRANITE FALLS, NORTH CAROLINA 28630
[phone]
SAMPLE: Corning Optical (003) COLLECTION DATE: 9/29/2014
PERMIT #: COLLECTION TIME: 06:15
ADDRESS: Corning Optical RECEIVED DATE: 9/29/2014
P.O. Box 489 RECEIVED TIME: 08:50
Hickory, NC 28603-0489
REPORTED: 10/30/2014
- -
- --
ANALYSIS
,
i ANALYSIS
RESULTS
UNITS
DATE ANALYST
Lead
<0.003
mg/L
10I3114
TSS
3.2
mg/L
1011/14 jrg
Copper
0.010
mg/L
1013/14
Zinc
0.701
mg/L
10014
Oil & Grease
<5.6
mg/L
9/29114 jdg
LOG ID: 1409-492 REPORTED BY: NC CERTIFIED LAB # 50
f�*
Tony Gragg, I_ab Supervisor

&It?rEi irECH LRBA.Inc.
POST OFFICE BOX 1056 • #5 PINEWOOD PLAZA DR.
GRANITE FALLS, NORTH CAROLINA 28630
[phone]
SAMPLE: Corning Optical (005) COLLECTION DATE: 9/29/2014
PERMIT #: COLLECTION TIME: 06:30
ADDRESS: Corning Optical RECEIVED DATE 9/29/2014
P.O. Box 489 RECEIVED TIME: 08:50
Hickory, NC 28603-0489
REPORTED: 10/30/2014
ANALYSIS
ANALYSIS
- - _-- -
RESULTS
—_—<0.003
UNITS
—
DATE ANALYST
Lead
mglL
1013114-
TSS
292
mg1L
1011114 jrg
Copper
0.009
mg/L
1013/14
Zinc
0,198
mg/L
1013114
Oil & Grease
<5.6
mg/L
9129/14 jdg
LOG 1D: 1409-493 REPORTED BY: NCrCER'QT1171ED LAB # 50
f1 �' �r
Tony Gragg, Lab Supervisor

RESEARCh & ANA[yTiCA[
LABORATORIES, INC.
Analytical/Process Consultations
Water Tech Labs. Inc.
P.O. Box 1056
Granite Falls, NC 28630
Attn: Joe Gragg
Date Sample Collected
Date Sample Received
Date Sample Analyzed
Date of Report
Analyses Performed by
Lab Sample Number
--------------------
796387
Parameter Storet # Results
Copper,Tot (01042) 0.009 mg/l
Lead,Tot (01051) c0.003 mg/l
Zinc,Tot (01092) 0.532 mg/1
--------------------
Clients Sample Source CORNING CABLE
Number 001
Time Collected (Hrs) 0610
: 09/29/14
: 10/03/14
10/03/14
10/22/14
AA
RO, Box 473 • 106 Short Street • Kernersville, North Carolina 27264 • 336-896-2841 • Fax [phone]
www.randalabs.com

RESEARCh & ANA[yTICA[
LAILABORATORIES, INC.
,, Analytical/Process Consultations
Water Tech Labs. Inc.
P.O. Box 1056
Granite Falls, NC 28630
Attn: Joe Gragg
Date Sample Collected
Date Sample Received
Date Sample Analyzed
Date of Report
Analyses Performed by
Lab Sample Number
--------------------
796388
Parameter Storet # Results
Copper,Tot (01042) 0.005 mg/1
Lead,Tot (01051) <0.003 mg/l
Zinc,Tot (01092) 0.388 mg/1
--------------------
Clients Sample Source CORNING CABLE
Number 002
Time Collected (Hrs) 0618
'`�prlrrrlll,rI.
Yr'�•.
� � Q2 p n
w, r
r
i &5 N C #i34 z
■ ;
%
09/29/14
10/03/14
10/03/14
10/22/14
AA
P 0, Box 473 • 106 Short Street • KernersviHe. North Carolina 27284 • 336-996-2841 • Fax 336-996-D326
www.randalabs.com

RESEARCh & ANA1yTICA1
LAbORATWES, INC.
Analytical/Process Consultations
Water Tech Labs. Inc,
P.O. Box 1056
Granite Falls, NC 28630
Attn: Joe Gragg
Date Sample Collected
Date Sample Received
Date Sample Analyzed
Date of Report
Analyses Performed by
Lab Sample Number
--------------------
796389
Parameter Stcret # Results
Copper,Tot (01042) 0.010 mg/1
Lead,Tot (01051) <0.003 mg/l
Zinc,Tot (01092) 0.701 mg/l
--------------------
Clients Sample Source CORNING CABLE
Number 003
Time Collected (Hrs) 0615
09/29/14
10/03/14
10/03/14
10/22/14
AA
P.O. Box 473 • 106 Short Street • Kerrersville, North Carolina 27264 • 336-996-2B41 • Fax [phone]
www.randalabs.com

` RESEARCh & ANAiyTICA1
LABORATORIES, INC.
Analytical/Process Consultations
Water Tech Labs. Inc.
P.O. Sox 1056
Granite Falls, NC 28630
Attn: Joe Gragg
Date Sample Collected
Date Sample Received
Date Sample Analyzed
Date of Report
Analyses Performed by
Lab Sample Number
--------------------
796390
Parameter Storet # Results
Copper,Tot (01042) 0.009 mg/l
Lead,Tot (01051) <0.003 mg/1
Zinc,Tot (01092) 0.198 mg/l
--------------------
Clients Sample Source CORNING CABLE
Number 005
Time Collected (Hrs) 0630
LLr!��
NO
O:cn
34 z:
r�liT!P/,C 7A� ,P0���
09/29/14
10/03/14
10/03/14
10/22/14
AA
P. 0. Box 473 • 106 Short Street • Kernersvilie, North Carolina 27284 • 336-996-2841 • Fax [phone]
www,randalabs.com

W
O,TECH
Lr>Sif ic.,_�1)
5 Pinewood Plaza Drive — P.O. Box 1056
Granite Falls, NC 28630
Phone [phone] — Fax [phone]
CLIENT: Corning Cable Systems-TC Pit PHONE NUMBER: 828-327-5000
c/o Steve Street
P.O Box 489
Hickory, NC 28603-0489
TYPE SAMPLE: Stormwater
No. LOCATIONS:
SAMPLER NAME:
Sample Collection
Information
TYPE
CONTAINERS
ANALYSIS REQUIRED
Sample Location
FacilityTEMP.
Name
DATE
TIME
°C
Grab/
Composite
No
Plastic/
Glass
Discharge 001
9a
+
Grab
3
Plastic/
Glass
TSS, Oil & Gr., Lead, Copper, Zinc
Discharge 002
9
Grab
3
Plastic/
Glass
TSS, Oil & Gr., Lead, Copper, Zinc
Discharge 003
9a�- [q
6 f'ks
Grab
3
GlasPlastis/
TSS, Oil & Gr., Lead, Copper, Zinc
Discharge 005
r
G ,30
Grab
3
Plastic/
Glass
TSS, Oil & Gr., Lead, Copper, Zinc
Relinquished By:
Date:
Time:
Recie By;
Date:
Time:
Reli quished By:
Date:
Time:
Receiv By:
Date:
Time:
PR ERVATION:
Cool 4°C
�SO4
(INa N
fTRN03
j Dechlornating Agent
j Other
SAMPLE TEMP. @ LAB (°C)
Chlorine Residual mg/l
NC CERTIFIED LAB # 50

Semi-annual Stormwater Discharge Monitoring Report
for N rth Carolina Division of Water Quality General Permit No. NCG030000
N(fG-03-OR
Date submitted: 10 02 2014
CERTIFICATE OF COVERAGE N . NCGO 00 SAMPLE COLLECTION YEAR: 2014
FACILITY NAME: Hicka Man a and Technology Center SAMPLE PERIOD ❑ Jan -June ❑ July -Dec
COUNTY: Catawba or R Monthly' —August
PERSON COLLECTING SAMPLES: Steve Street DISCHARGING TO CLASS ❑ORW ❑HQW ❑Trout ❑PNA
LABORATORY: Water Tech Labs Lab Cert. # 50 ❑Zero -flow []water Supply ❑SA
Comments on sample collection or analysis: ❑Other
PLEASE REMEMBER TO SIGN ON PAGES 2 AND/OR 3 4
Part A: Stormwater Benchmarks and Monitoring Results
❑ No discharge this period?z
Date Sample
24-hour rainfall
PH,
Non -Polar O&G/
Total Toxic
OutFall No.
Collected'
amount,
Total Suspended Solids
Standard units
Copper
Lead
Zinc
Total Petroleum
Organicss
(mo/dd/yr)
Inches3
Hydrocarbons
Benchmarks =_=>
-
-
100 mg/L or 50 mg/L
6.0 — 9.0
0.007 mg/L
0.03 mg/L
0.067 mg/L
15 mg/L
1 mg/L
1
8/23/14
.4"
140 mg/I
6.92
.034 mg/I
.018 mg/I
1.59 mg/I
<5.6 mg/I
N/A
2
8/23/14
.4"
118 mg/I
6.98
.115 mg/I
.012 mg/I
.853 mg/I
<5.6 mg/I
N/A
3
8/23/14
.4"
110 mg/I
7.02
.023 mg/I
.011 mg/I
.937 mg/I
<5.6 mg/I
N/A
5
1 8/23/14
1 .4"
t 126 mg/I
1 6.88
1 .028 mg/I
1 .004 mg/I
I .161 mg/I
1 <5.6 mg/I
I N/A
' Monthly sampling (instead of semi-annual) must begin with the second consecutive benchmark exceedance for the same parameter at the same outfall.
Z For sampling periods with no discharge at any single outfall, you must still submit this discharge monitoring report with a checkmark here.
3The total precipitation must be recorded using data from an on -site rain gauge. Unattended sites may be eligible for a waiver of the rain gauge requirement.
° See General Permit, Table 3 identifying the especially sensitive receiving water classifications where the more protective benchmark applies.
5 Total Toxic Organics sampling is applicable only for those facilities which perform metal finishing operations, manufacture semiconductors, manufacture
electronic crystals, or manufacture cathode ray tubes. For purposes of this permit the definition of Total Toxic Organics is that definition contained in the EPA
Effluent Guidelines for the facility subject to the requirement to sample (for metal finishing use the definition as found in 40 CFR 433,11; for semiconductor
manufacture use the definition as found in 40 CFR 469.12; for electronic crystal manufacture use the definition as found in 40 CFR 469.22; and for cathode ray
tube manufacture use the definition found in 40 CFR 469.31).
Permit Date: 11/1/2012-10/31/2017
OCT 0 i 20114
CENTRAL FILES
DWR SECTION
SWU-245, last revised 10/25/2012
Page 1 of 3

Facilities that incorporate a solvent management plan into the Stormwater Pollution Prevention Plan may so certify, and the requirement for TTO monitoring
may be waived. The solvent management plan shall include a list of the total toxic organic compounds used and the other elements listed in the General
Permit. For those facilities electing to employ the TTO monitoring waiver, the discharger shall sign the following certification statement:
"Based upon my inquiry of the person or persons directly responsible for managing compliance with the permit monitoring requirement for total toxic organics
(TTO), I certify that to the best of my knowledge and belief, no dumping of concentrated toxic organics into the Stormwater or areas which are exposed to rainfall or
stormwater runoff has occurred since filing the last discharge monitoring report. I further certify that this facility is implementing the all the provisions of the
solvent management plan included in the Stormwater Pollution Prevention Plan."
N/A _
Name (Print name)
Title (Print title)
N/A
(Signature)
(Date)
Note: Results must be reported in numerical format. Do not report Below Detection Limit, BDL, <PQL, Non -detect, ND, or other similar non -numerical
format. When results are below the applicable limits, they must be reported in the format. "<XX mg/L", where XX is the numerical value of the detection
limit, reporting limit, etc. in mg/L.
Note: if you report a sample value in excess of the benchmark, you must implement Tier 1, Tier 2, or Tier 3 responses. See General Permit text
Part B: Vehicle Maintenance Area Monitoring Results: only for facilities averaging > 55 gal of new oil per month.
❑ No discharge this period:'
Outfali No.
Date Sample
Collected'
(mo/dd/yr)
24-hour rainfall
amount,
Inches
Non -polar O&G/TPH by
EPA 1664 (SGT-HEM)
Total Suspended Solids
pH
Benchmarks ===>
_
-
15 mg/L
100 mg/L or 50 mg/L*
6.0 — 9.0 SU
N/A
N/A
N/A
N/A
N/A
N/A
Footnotes from Part A also apply to this Part B
* See General Permit text, Table 5, identifying the especially sensitive receiving water classifications where the more protective benchmark applies.
Permit Date: 11/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 2 of 3

Note: If you report a sample value in excess of the benchmark, you must implement Tier 1, Tier 2, or Tier 3 responses. See General Permit text.
FOR PART A AND PART B MONITORING RESULTS:
• A BENCHMARK EXCEEDANCE TRIGGERS TIER 1 REQUIREMENTS. SEE PERMIT PART II SECTION B.
• 2 EXCEEDANCES IN A ROW FOR THE SAME PARAMETER AT THE SAME OUTFALL TRIGGER TIER 2 REQUIREMENTS. SEE PERMIT PART II SECTION B.
• TIER 3: HAS YOUR FACILITY HAD 4 OR MORE BENCHMARK EXCEEDENCES FOR THE SAME PARAMETER AT ANYONE OUTFALL? YES ®NO❑
IF YES, HAVE YOU CONTACTED THE DWQ REGIONAL OFFICE? YES NO ❑
REGIONAL OFFICE CONTACT NAME: Letter sent to Mr. Mike Parker on May 7
Mail an orfainal and one copy of this DMR, including all "No Discharge" reports, within 30 days of receipt of the lab results for at end of monitorina period
in the case of "No Discharge" resorts] to:
Division of Water Quality
Attn: DWQ Central Files
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
YOU MUST SIGN THIS CERTIFICATION FOR ANY INFORMATION REPORTED:
"I certify, under penalty of law, that this document and all attachments were prepared under my direction or supervision in accordance with a system designed to
assure that qualified personnel properly gather and evaluate the information submitted. Based on my inquiry of the person or persons who manage the system, or
those persons directly responsible for gathering the information, the information submitted is, to the best of my knowledge and belief, true, accurate, and complete. I
am aware that there are significant penalties for submitting false information, including the possibility of fines and imprisonment for knowing violations."
(Signature of Permittee)
/O IZ / Z O / 1
( Date)
Permit Date: 11/1/2012-10/31/2017
SWU-245, last revised 10/25/2012
Page 3 of 3

wRTER6rEcH LABS.I.C.
POST OFFICE BOX 1056 #5 PINEWOOD PLAZA DR.
GRANITE FALLS, NORTH CAROLINA 28630
[phone]
SAMPLE: Corning Optical (001) COLLECTION DATE: 8/23/2014
PERMIT #: COLLECTION TIME: 23:08
ADDRESS: Corning Optical RECEIVED DATE: 8/25/2014
P.O. Box 489 RECEIVED TIME: 08:38
Hickory, NC 28603-0489
REPORTED: 9/19/2014
� �
-----
-ANALYSIS
ANALYSIS
RESULTS
UNITS
DATE ANALYST
Lead
0.018
mg/L
8129114
TSS
140
mg/L
8127/14 jrg
Copper
0.034
mg/L
8129/14
Zinc
1.59
mg/L
8129/14
Oil & Grease
<5.6
mg/L
914/14 idg
LOG ID: 1408-348 REPORTED BY: NC CERTIFIED LAB # 50
fl�
Tony Gragg, Lab Supervisor

1dRrffR4rECH LRE .Inc.
POST OFFICE BOX 1056 • #5 PINEWOOD PLAZA DR.
GRANITE FALLS. NORTH CAROLINA 28630
[phone]
SAMPLE., Corning Optical (002) COLLECTION DATE: 8/23/2014
PERMIT #: COLLECTION TIME: 23:12
ADDRESS: Corning Optical RECEIVED DATE: 8/25/2014
P.O. Box 489 RECEIVED TIME: 08:38
Hickory, NC 28603-0489
REPORTED: 9/19/2014
F-
- -�-
ANALYSIS
-- -� --------1
ANALYSIS
RESULTS
UNITS
DATE ANALYST
i
Lead
0.012
mglL
8/29/14
TSS
118
mglL
8/27/14 jrg
Copper
0.115
mglL
8I29114
Zinc
0.853
mg1L
8I29114
Oil & Grease
<5.6
mglL
914114 jdg
LOG ID: 1408-349 RE -PORTED BY: NC CERTIFIED LAB # 50
fl�-
Tony Gragg, Lab Supervisor

URrEROEcH LRES-in .
POST OFFICE BOX 1056 • #5 PINEWOOD PLAZA DR.
GRANITE FALLS. NORTH CAROLINA 28630
[phone]
SAMPLE: Corning Optical (003) COLLECTION DATE: 8/23/2014
PERMIT #: COLLECTION TIME: 23:14
ADDRESS: Corning Optical RECEIVED DATE: 8/25/2014
P.O. Box 489 RECEIVED TIME: 08:38
Hickory, NC 28603-0489
REPORTED: 9/19/2014
--------------
—_- _-
ANALYSIS
-------- ---- --- --
i ANALYSIS
RESULTS
UNITS
DATE ANALYST
Lead
0.011
mg/L
8/29/14
TSS
110
mg/L
8127/14 jrg
Copper
0.023
mg/L
8129/14
Zinc
0.937
mg/L
8/29/14
Oil & Grease
<5.6
mg/L
914114 jdg
LOG ID: 1408-350 REPORTED BY: NC CERTIFIED LAB # 50
1
Tony Gragg, Lab Supervisor

4 wwrEivirECH L.985Inc.
POST OFFICE BOX 1056 - #5 PINEWOOD PLAZA DR.
GRANITE FALLS, NORTH CAROLINA 28630
[phone]
SAMPLE: Corning Optical (005) COLLECTION DATE:
8/23/2014
PERMIT #: COLLECTION TIME:
23:24
ADDRESS: Corning Optical RECEIVED DATE:
8/25/2014
P.O. Box 489
RECEIVED TIME:
08:38
Hickory, NC 28603-0489
REPORTED:
9/19/2014
- ANALYSIS
ANALYSIS RESULTS UNITS DATE ANALYST
Lead 0.004 mg1L 8/29/14
TSS 126 mglL 8127/14 jrg
Copper 0.028 mglL 8129/14
Zinc 0.161 mglL 8/29/14
Oil & Grease <5.6 mglL 914/14 jdg
LOG ID: 1408-351 REPORTED BY: NC CERTIFIED LAB # 50
fpl� (*"
"Pony Gragg, Lab Supervisor

r
t RESEARCh & ANA1�/ TiCA1
ANAL
LABORATORIES, INC.
0
.•02
NC# Zip=
` Analytical/Process Consultations
Water Tech Labs. Inc. Date Sample Collected 08/23/14
P.O. Box 1056 Date Sample Received 08/29/14
Granite Falls, NC 28630 Date Sample Analyzed 08/29/14
Attn: Joe Gragg Date of Report 09/17/14
Analyses Performed by AA
Lab Sample Number Lab Sample Number
-------------------- --------------------
Lab Samptu 'lumber
--------------------
793631 793632
793633
Parameter Stoeet # Results Results
Results
Copper,Tot (01042)
Lead,Tot (01051)
Zinc,Tot (01092)
Clients Sample Source
Number
Time Collected (Hrs)
0.034 mg/l
0.018 mg/l
1.59 mg/l
0.115 mg/l
0.012 mg/l
0.853 mg/(
0.023 mg/l
0.011 mg/t
0.937 mg/l
CORNING CABLE CORNING CABLE CORNING CABLE
001 002 003
2308 2312 2314
P.O. Box 473 • 106 Short Street • Kernersville, North Carolina 27284 • 336-996-2841 • Fax [phone]
www.randelahs.com

RESEARCh & ANAlyTICAI
LAboRATOMES, INC.
Analytical/Process Consultations
Water Tech Labs. Inc.
P.O. Box 1056
Granite Falls, NC 28630
Attn: Joe Gragg
Date Sample Collected
Date Sample Received
Date Sample Analyzed
Date of Report
Analyses Performed by
Lab Sample Number
--------------------
793634
Parameter Storet # Results
Copper,Tot (01042) 0.028 mg/l
Lead,Tot (01051) 0.004 mg/1
Zinc,Tot (01092) 0.161 mg/l
--------------------
Clients Sample Source CORNING CABLE
Number 005
Time Collected Mrs) 2324
08/23/14
08/29/14
08/29/14
09/17/14
AA
P.O. Box 423 • 106 Short Street • Kerners0le, North Carolina 27284 • 336-996-2841 • Fax [phone]
www.i-andafobs.com

N4 6
oc�
�j
Inric
5 Pinewood Plaza Drive — P.O. Box 1056
Granite Falls, NC 28630
Phone [phone] -- Fax [phone]
CLIENT: Corning Cable Systems-TC Pit PHONE NUMBER: 828-327-5000
c/o Steve Street TYPE SAMPLE: Stormwater
P.O Box 489 No. LOCATIONS: 6
Hickory, NC 28603-0489 SAMPLER NAME:
Sample Collection
Information
TYPE
CONTAINERS
ANALYSIS REQUIRED
Sample Location
FacilityName
DATE
TIME
TEMP. °C
Grab/
Composite
No
Plastic/
Glass
Discharge 001
a 11
`t
a2,
J,
Grab
3
Plastic/
Glass
TSS, Oil & Gr., Lead, Copper, Zinc
Discharge 002
f
1
Grab
3
Glass/
TSS, Oil & Gr., Lead, Copper, Zinc
Discharge 003
a� y
a�, I�
Grab
3
Glass Plastic/
TSS, Oil & Gr., Lead, Copper, Zinc
Discharge 005
Grab
3
Plastic/
Glass
TSS, Oil & Gr., Lead, Copper, Zinc
Grab
3
Plastic/
Glass
TSS, Oil & Gr., Lead, Copper, Zinc
ate
Grab
3
Plastic/
Glass
TSS, Oil & Gr., Lead, Copper, Zinc
Relinquished By:
Date:
Ykl N
Time:
V-3f a
Reci a y;
Date:
Fes
Time:
od'?
Relin uished By:
Date:
Time:
Rece' ed By:
7
Date:
Time:
PRES ION.•
ool 40C
(] H2SO4
l] NaOH
(] HNO3
(] Dechlornating Agent
(] Other
SAMPLE TEMP. @ LAB (°C) '
Chlorine Residual mg/l
�L4I41:11VII191:1e3W,� �3W47

AANY
NCDENR
Stormwater Discharge Outfall (SDQ)
Qualitative Monitoring Report
Forguidance on filling out this form, please visit: h.tti2iap-Qrtal.n-c.denr.org/web/w-QLw-s/sulngdessw#.tab-4
Permit No.: or Certificate of Coverage No.:
Facility Name: Hickou ManufActuring and lechnolggyCenter - Corning tical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Steve Street
Date of Inspection: 8 2 14
Time of Inspection: 11:08 pm
Total Event Precipitation (inches): A""
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
®Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
I
A "representative storm event' is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
I
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
I interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature, I certify that this report is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
Pagel of 2
SWU-242, Last modified 10/25/2012

1. Outfall Description:
Outfall No. 001 Structure (pipe, ditch, etc.) Pipe
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: Reel storage, solid
w st o tain r d i to f landfill. hazardous wastestorage, and R&D building,
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Color was medium gray.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
1 2 3 ® 5
5. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
1 Q 3 4 5
b. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
1 2 Q 4 5
7. Is there any foam in the stormwater discharge? Yes No
8. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe, The amount of rainfall was on the magnitude of nearly one inch per hour. The
run-off contained gravel dust that had collected on the roof from the nearby rock quarry. The gr
was the obvious cause of the color anti high TSS count.
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
Page 2 of 2
SWU-242, Last modified 10/25/2012

X-V WA
A�".
NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
Forguidance on filling out this form, please visit. httn://nortal.ncdenr.orglweir/"wg/ws/su f apdessw#lab-4
Permit No.: or Certificate of Coverage No.:
Facility Name: Hickory M nufac __ring -and Technology Center -- Corning Optical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Steve Street
Date of Inspection: 8123114
Time of Inspection: 11:12 pm
Total Event Precipitation (inches): 4
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature; I certify that thi report is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
Page 1 of 2
SWU-242. Last modified 10/25/2012

1. Outfall Description:
Qutfall No. 002 Structure (pipe, ditch, etc.) Pine
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: Solid waste containers
designate
d for landfill, metal recycling container, and chemical stoarage area (covered).
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Discharge was light brown.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odors were present.
4: Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
1 2 Q 4 5
51 Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
1 Q 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
1 2 03 4 5
7. Is there any foam in the stormwater discharge? Yes NN
B. Is there an oil sheen in the stormwater discharge? Yes H
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe: The amount of rainfall was on the magnitude of nearly one_inch-per_hQur and
was washing dirt and other deposited material off of the surfaces, The grit was the obvious cause of
the color and high_TSS count,
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
Page 2 of 2
SWU-242, last modified 10/25/2012

All
NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
Forguidance on filling out this form, please visit: httn://portal.ncdenr,or2/web/wg/ws/su/npdessw#tab-4
Permit No.: or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and Technology Center - Corning Optical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Steve Street
Date of Inspection: 8/23114
Time of Inspection: 11:14 pm
Total Event Precipitation (inches):
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
® Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event' is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature, I certify that this r port is accurate and complete to the best of my knowledge:
of Permittee or Designee)
Page 1 of 2
SWU-242, Last modified 10/25/2012

1. Outfall Description:
Outfall No. 003 Structure (pipe, ditch, etc.) Pine
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: Reel storage, machine
shop, and warehouse.
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Discharge was light brown.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
1 2 0 4 5
S. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and S is the surface covered with floating solids:
1 20 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
1 2 Q 4 5
7. Is there any foam in the stormwater discharge? Yes NN
8. Is there an oil sheen in the stormwater discharge? Yes N�
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe: The amount of rainfall was on the magnitude of nearly one inch per hour and
was washing dirt and other deposited material off of the surfaces. The grit was the obvious cause of
the color and -high TS5 count.
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
Page 2 of 2
SWU-242, Last modified 10/25/2012

NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
Forguidance on filling out this form, please visit: http://portal.ncdenr.or"cb/wq/ws/sil/nl2des5w#tab-A
Permit No.: N/Q/Q//Q/Q/Q/Q/Q/ or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and Technology Center - Corning Optical Communications
County: Catawba Phone No.: 828-9.01-6695
Inspector: Steve Street
Date of Inspection: 8123114
Time of Inspection: 11:17 pm
Total Event Precipitation (inches):.4"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
®Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature, I certify that this,report is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
Pagel of 2
SWU-242, Last modified 10/25/2012

1. Outfall Description:
Outfall No. 004 Structure (pipe, ditch, etc.) Pine
Receiving Stream: ClarWs Creek
Describe the industrial activities that occur within the outfall drainage area: No industrial activities,
only a warehouse.
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Color was light brQwn.�
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was resent.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
1 0 3 4 5
S. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
0 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
1 02 3 4 5
7. Is there any foam in the stormwater discharge? Yes
B. Is there an oil sheen in the stormwater discharge? Yes
9. is there evidence of erosion or deposition at the outfall? Yes H
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
Page 2 of 2
5WU-242, last modified 10/25/2012

Wvwj
K*4A�lr
kv;
NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
For guidance on filling out this form, please visit. http://aortal.ncdenr.org/web/wq/ws/su/npdessw#tab-4
Permit No.: >y/Q/Q//0/Q/0/Q/Q/ or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and Technology Center - Corning Optical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Steve Street
Date of Inspection: 8123/14
Time of Inspection: 11:2611m
Total Event Precipitation (inches): A"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
® Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0A inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature, I certify that t j report is accurate and complete to the best of my knowledge:
(Signature of of Permittee or Designee)
Pagel of 2
SWU-242, Last modified 10/25/2012

1. Outfall Description:
Outfall No. 005 Structure (pipe, ditch, etc.) Lipe
Receiving Stream: ClarWs. Creek
Describe the industrial activities that occur within the outfall drainage area: Manufacture of fiber
optic cable and warehouse.
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Color was light brown..
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
1 2 0 4 5
S. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
1 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
1 2 .03 4 5
7. Is there any foam in the stormwater discharge? Yes
8. Is there an oil sheen in the stormwater discharge? Yes N-a
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe: The amount of rainfall was on the magnitude of nearly one inch per hour and
was washing dirt and other deposited material off of the surfaces. Construction activities in the
area is also suspected to contributing to the color of the discharge. The grit was theobvious_causo
of the color and high TSS_c-ount.
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation,
Page 2 of 2
SWU-242, Last modified 10/25/2012

CORNING
October 2, 2014
Steve Street Hickory Manufacturing and t 828-901-6695
Sr. EHS Coordinator Technology Center f 828-901-5665
PO Box 489 Steve. street@bcorningmm
Hickory, NC 28603 www.corning,com
Division of Water Quality
Attn: DWQ Central Files
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
Imo.` JLVIPre".11
Please find enclosed an original and one (1) copy of the Stormwater Discharge Monitoring
Report for Corning Optical Communications, LLC — Hickory Manufacturing and Technology
Center (HMTC) located in Hickory, Catawba County, North Carolina. The stormwater
samples were collected on 8/23/2014 for all permitted outfalls and represent the monthly
sample as specified in the Tier II requirements of HMTC's stormwater permit.
The results are mixed and reflect HMTC to be outside the benchmark value for the following
parameters:
• Copper
• TSS
• Zinc
Additional attachments include the Laboratory Analytical Report, Chain -of -Custody, and the
Qualitative Monitoring Report.
HMTC has completed the project to combine stormwater outfalls 5, 6, and 7 located on the
west side of the property. This project was completed in an effort to provide a more accurate
representation of stormwater quality.
Please contact me if you have any questions at 828-901-6695.
Sincerely,
Stephen L Street
Senior Environmental, Health and Safety Coordinator
attachments

Semi-annual Stormwater Discharge Monitoring Report
for orth Carolina Division of Water Quality General Permit No. NCG030000
Nc(� Date submitted: 9 03 2014
CERTIFICATE OF COVERAG NO, C 30000 SAMPLE COLLECTION YEAR: 2014
FACILITY NAME: Hickory urinit and Technoloity Center SAMPLE PERIOD ❑ Jan -June ❑ July -Dec
COUNTY: Catawba or N Monthly"- lino
PERSON COLLECTING SAMPLES: Steve Street DISCHARGING TO CLASS ❑ORW ❑HQW [:]Trout ❑PNA
LABORATORY: Water Tech Labs Lab Cert. #150 REcEI V C D ❑Zero -flaw [__]Watersupply ❑SA
Comments on sample collection or analysis: SEp 0 8 2014 ❑Other
CENTRAL FILES PLEASE REMEMBER TO SIGN ON PAGES 2 AND/OR 3 4
DWR SECTION
Part A: Stormwater Benchmarks and Monitoring Results
❑ No discharge this period-?
Outfall No.
Date Sample
x
Collected
(mo/dd/yr)
24-hour rainfall
amount,
Inches3
Total Suspended Solids
pH,
Standard units
Copper
Lead
Zinc
Non -Polar O&G/
Total Petroleum
Hydrocarbons
Total Toxic
s
Organics
Benchmarks
-
-
100 mg/L or 50 mg/L
6.0 — 9.0
0.007 mg/L
0.03 mg/L
0.067 mg/L
15 mg/L
1 mg/L
1
7/27/14
.05"
14 mg/I
6.73
.006 mg/I
.003 mg/I
.490 mg/I
<5.6 mg/I
N/A
2
7/27/14
.05"
13.2 mg/I
7.07
.009 mg/I
<.G03 mg/I
.547 mg/I
<5.6 mg/I
N/A
3
7/27/14
.05"
216 mg/I
7.21
.007 mg/I
.006 mg/I
.433 mg/I
<5.6 mg/1
N/A
5
7/27/14
.05"
13.6 mg/I
6.86
.005 mg/I
<.003 mg/1
.767 mg/I
<5.6 mg/1
N/A
6
7/27/14
.05"
4.3 mg/I
6.84
<.002 mg/I
<.003 mg/I
.073 mg/I
I <5.6 mg/I
N/A
7 1
7/27/14
.051,
1 12.8 mg/I
7.14
.003 mg/I
<.003 mg/I
.062 mg/I 1
<5.6 mg/I
N/A
' Monthly sampling (instead of semi-annual) must begin with the second consecutive benchmark exceedance for the same parameter at the same outfall.
2 For sampling periods with no discharge at any single outfall, you must still submit this discharge monitoring report with a checkmark here.
3The total precipitation must be recorded using data from an on -site rain gauge. Unattended sites may be eligible for a waiver of the rain gauge requirement.
See General Permit, Table 3 identifying the especially sensitive receiving water classifications where the more protective benchmark applies.
5 Total Toxic Organics sampling is applicable only for those facilities which perform metal finishing operations, manufacture semiconductors, manufacture
electronic crystals, or manufacture cathode ray tubes. For purposes of this permit the definition of Total Toxic Organics is that definition contained in the EPA
Effluent Guidelines for the facility subject to the requirement to sample (for metal finishing use the definition as found in 40 CFR 433.11; for semiconductor
manufacture use the definition as found in 40 CFR 469.12; for electronic crystal manufacture use the definition as found in 40 CFR 469.22; and for cathode ray
tube manufacture use the definition found in 40 CFR 469.31).
Permit Date: 11/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 1 of 3

Facilities that incorporate a solvent management plan into the Stormwater Pollution Prevention Plan may so certify, and the requirement for TTO moMitoring
may be waived. The solvent management plan shall include a list of the total toxic organic compounds used and the other elements listed in the General
Permit. For those facilities electing to employ the TTO monitoring waiver, the discharger shall sign the following certification statement:
"Based upon my inquiry of the person or persons directly responsible for managing compliance with the permit monitoring requirement for total toxic organics
(TTO), I certify that to the best of my knowledge and belief, no dumping of concentrated toxic organics into the stormwater or areas which are exposed to rainfall or
stormwater runoff has occurred since filing the last discharge monitoring report. I further certify that this facility is implementing the all the provisions of the
solvent management plan included in the Stormwater Pollution Prevention Plan."
Name (Print name)
_NIA
Title (Print title)
N/A
(Signature) (Date)
Note: Results must be reported in numerical format. Do not report Below Detection Limit, BDL, <PQL, Non -detect, ND, or other similar non -numerical
format. When results are below the applicable limits, they must -be resorted in the format, "<XX mg/L", where XX is the numerical value of the detection
limit, reporting limit, etc. in mg/L.
Note: if you report a sample value in excess of the benchmark, you must implement Ter 1, rer 2, or rer 3 responses. See General Permit text.
Part B: Vehicle Maintenance Area Monitoring Results: only for facilities averaging > 55 gal of new oil per month.
❑ No discharge this period ?2
Outfall No.
Date Sample
Collected
(mo/dd/yr)
24-hour rainfall
amount,
Inches3
Non -polar O&G/TPH by
EPA 1664 (SGT-HEM)
Total Suspended Solids
pH
Benchmarks ===>
_
-
15 mg/L
100 mg/L or 50 mg/L*
6.0 — 9.0 SU
N/A
N/A
N/A
N/A
N/A
N/A
Footnotes from Part A also apply to this Part B
* See General Permit text, Table 5, identifying the especially sensitive receiving water classifications where the more protective benchmark applies.
Permit Date: 11/1/2012-10/31/2017 5WU-245, last revised 10/25/2012
Page 2 of 3

Note: if you report a sample value in excess of the benchmark, you must implement Tier 1, rer 1, or Tier 3 responses. See General Permit text.
FOR PART A AND PART B MONITORING RESULTS:
• A BENCHMARK EXCEEDANCE TRIGGERS TIER 1 REQUIREMENTS. SEE PERMIT PART 11 SECTION B.
• 2 EXCEEDANCES IN A ROW FOR THE SAME PARAMETER AT THE SAME OUTFALL TRIGGER TIER 2 REQUIREMENTS. SEE PERMIT PART II SECTION B.
• TIER 3: HAS YOUR FACILITY HAD 4 OR MORE BENCHMARK EXCEEDANCES FOR THE SAME PARAMETER AT ANYONE OUTFALL? YES ®NO❑
IF YES, HAVE YOU CONTACTED THE DWQ REGIONAL OFFICE? YES NO ❑
REGIONAL OFFICE CONTACT NAME: Letter sent to Mr. Mike Parker on May 7'
Mail an original and one copy of this DMR including all "No Discharge" reports, within 30 days of recei t of the lab results tor at end of monitoring eriod
in the case of "No Discharge" reports) to:
Division of Water Quality
Attn: DWQ Central Files
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
YOU MUST SIGN THIS CERTIFICATION FOR ANY INFORMATION REPORTED:
"I certify, under penalty of law, that this document and all attachments were prepared under my direction or supervision in accordance with a system designed to
assure that qualified personnel properly gather and evaluate the information submitted. Based on my inquiry of the person or persons who manage the system, or
those persons directly responsible for gathering the information, the information submitted is, to the best of my knowledge and belief, true, accurate, and complete
am aware that there are significantpenalties for submitting false information, including the possibility of fines and imprisonment for knowing violations."
`7 3
re of Permitteej
(Date)
Permit Date:11/1/2012-10/31/2017
SWU-245, last revised 10/25/2012
Page 3 of 3

ALTI-9;WA
4 j�.
NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
Forguidance on filling out this form, please visit. http:J/portal.ncdennorg/webjwq/wsjsu/node5sw#tab -A
Permit No.: N/C/ 0/ 3/Q/0/Q/0/0/ or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and Technology Center - Corning Optical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Steve Street
Date of Inspection: 7127114
Time of Inspection: 07:15 a
Total Event Precipitation (inches):.05"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
®Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature, I certify that this report is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
Pagel of 2
SWU-242, Last modified 10/25/2012

1. Outfall Description:
Outfall No. (001 Structure (pipe, ditch, etc.) Pj=
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: Reel storage, solid
waste containers designated for Ian ill, hazardous waste storage, and R&D building_
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Color was clear.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
1 02 3 4 5
S. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
01 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
1 0 3 4 5
7. Is there any foam in the stormwater discharge? Yes No
B. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
Page 2 of 2
sWU-242, Last modified 10/25/2012

A7,,rl..A
NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
Forguidance on filling out this form, please visit. http://portal.ncdenr.org/web/wq/wslsu/ni2dessw#tab-4
Permit No.: N/C/ Q/ 3/0/0/Q/0/0/ or Certificate of Coverage No.: N./C/G/_,_,/-..-/—/.,-1-._/_ _/
Facility Name: Hickory Manufacturing and Technology Center - Corning Optical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Steve Street
Date of Inspection: 7 27 1
Time of Inspection: 7:19 am
Total Event Precipitation (inches):.05"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
® Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours .
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature, l certify that this r�rt is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
Pagel of 2
SWU-242, Last modified 10/25/2012

1. Outfall Description:
Outfall No. 002 Structure (pipe, ditch, etc.) Ripe
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: Solid waste containers
designated for landfill,_ metal recycling container, and chemical stoarage area (covered).
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Discharge was clear.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odors were present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
1 Q 3 4 5
S. floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
0 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
1 Q 3 4 5
7. Is there any foam in the stormwater discharge? Yes No
8. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
Page 2 of 2
SWU-242, Last modified 10/25/2012

LWI
A7*�-A
RCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
For guidance on filling out this form, please visit. htti2al/portal,ncdenr.org/web/wq/ws/sulnpdessw#tab-1
Permit No.: N/Q/Q//Q/Q/0/0/Q/ or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and Technology Center- Corning Optical_ Communications
County: Catawba Phone No.: 828-901-5695
Inspector: Steve Street
Date of Inspection: 7 27 14
Time of Inspection: 7:21 am
Total Event Precipitation (inches):.05"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
® Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 01 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signs �e�jl
ertifythais report is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
Pagel of 2
SWU-242, last modified 10/25/2012

1. Outfall Description:
Outfall No. 003 Structure (pipe, ditch, etc.) Pine
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: Reel storage, machine
shop. and warehouse.
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Brown in color with a medium tint.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
1 2 3 ® 5
5. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
0 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
1 2 3 ® 5
7. Is there any foam in the stormwater discharge? Yes No
8. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
Page 2 of 2
5WU-242, Last modified 10/25/2012

AJir-A.
NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
For guidance on filling out this form, please visit: httn: //portal.ncdennorg/web/wq/ws/su/nndessw#tab-4
Permit No.: N/Q/-Q/-j/Q/Q/Q/0/0/ or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and Technology Center Corning Optical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Steve Street
Date of Inspection: 7 7 14
Time of Inspection: 7: 3 am
Total Event Precipitation (inches):.05"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
® Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
1 performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
f
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature, I certify that this report is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
Pagel of 2
SWU-242, East modified 10/25/2012

1. Outfall Description:
Outfall No. 004 Structure (pipe, ditch, etc.) Pine
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: No industrial activities,
only a warehouse.
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Color was clear.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
Q1 2 3 4 5
S. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
01 2 3 4 5
G. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
01 2 3 4 5
7. Is there any foam in the stormwater discharge? Yes H
B. Is there an oil sheen in the stormwater discharge? Yes NN
4. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
Page 2 of 2
SWU-242, Last modified 10/25/2012

4
NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
Forguidance on filling out this form, please visit: hUp://norms.ncdenr.org/web/wa/w5/5u/nildes5W#ta-4
Permit No.: or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and Technology Center - Corning Optical Communications
County: Catgwba Phone No.: 828-901-6695
Inspector: Steve Street
Date of Inspection: 7/27114
Time of Inspection: 7:39 am
Total Event Precipitation (inches):.05"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
® Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event" However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature, I mortify that t is,report is accurate and complete to the best of my knowledge:
�—
(Signature of Permittee or Designee)
Page 1 of 2
SwU-242, Last modified 10/25/2012

1. Outfall Description:
Outfall No. 0M Structure (pipe, ditch, etc.) Pine
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: Manufacture of fiber
optic cable and ware ou5e.
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Color was clear.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
1 22 3 4 5
S. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
Q 2 3 4 5
b. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
1 0 3 4 5
7. Is there any foam in the stormwater discharge? Yes H
8. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
Page 2 of 2
SWU-242, Last modified 10/25/2012

NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
For guidance on filling out this form, please visit. httR//oortal.ncdenr.org/web a/wsJsu/nodessw##tab-4
Permit No.: I�/�/Q//Q/Q/0/0/0/ or Certificate of Coverage No.:
Facility Name: Hickoly Manufactuljngand Jechnology Center— Corning Optical nic ti n
County: Catawba Phone No.: 828-901-6695
Inspector: Steve Street
Date of Inspection: 77127/14
Time of Inspection: 7: 7 am
Total Event Precipitation (inches):
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
® Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
iperformed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event' is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may Contain up to 10 consecutive hours of no
precipitation.
I
A "measurable storm event' is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signa re I rtify that is report is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
Pagel of 2
5WU-242, Last modified 10/25/2012

1. Outfall Description:
Outfall No. 09fi Structure (pipe, ditch, etc.) Pi g
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: Manufacturing of fiber
optic cable.
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Color was clear.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
Q 2 3 4 5
S. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
Q1 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
0 2 3 4 5
7. Is there any foam in the stormwater discharge? Yes No
8. Is there an oil sheen in the stormwater discharge? Yes NH
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
Page 2 of 2
SWU-242, Last modified 10/25/2012

T*w
NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
Forguidance on filling out this form, please visit. http_//oortal.ncden norg/web Jwq jws/su/nodessw#tab-4
Permit No.: N/C/ Q//Q/Q/Q/Q/Q/ or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and Technology Center - Coming Optical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Steve Street
Date of Inspection: 7127114
Time of Inspection: 7:33 am
Total Event Precipitation (inches): Q5"
Was this a `Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
i
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office__
By this signature I certify that this rqort is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
Page 1 of 2
SWU-242, Last modified 10/25/2012

1. Outfall Description:
Qutfall No. 007 Structure (pipe, ditch, etc.) 129
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: Manufacturing of fiber
optic cable.
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Color was clear.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
01 2 3 4 5
5. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
01 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
1 a2 3 4 5
7. Is there any foam in the stormwater discharge? Yes No
8. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
Page 2 of 2
5WU-242, Last modified 10/25/2012

idqrER6rEcH L#vvz.1nc.
POST OFFICE BOX 1056 • #5 PINEWOOD PLAZA DR.
GRANITE FALLS, NORTH CAROLINA 28630
[phone]
SAMPLE: Corning Optical (001) COLLECTION DATE:
7/27/2014
PERMIT #: COLLECTION TIME:
07:15
ADDRESS: Corning Optical RECEIVED DATE:
7/28/2014
P.O. Box 489
RECEIVED TIME:
11:51
Hickory, NC 28603-0489
REPORTED:
8/25/2014
_�_.--------- ----
---- - - -
-ANALYSIS-
----___-------------------- �
ANALYSIS
RESULTS
UNITS
DATE ANALYST
Lead
0.003
mg/L
811/14
TSS
14.0
mg/L
7130/14 jrg
Copper
0.006
mg/L
811114
Zinc
0.480
mg/L
811114
Oil & Grease
<5.6
mg/L
7131/14 jdg
LOG ID: 1407-429
REPORTED BY: NC CERTIFIED LAB # 50
fk�'
Tony Gragg, Lab Supervisor

idivrERiTEEH LAB..m..
POST OFFICE BOX 1056 • #5 PINEWOOD PLAZA DR.
GRANITE FALLS, NORTH CAROLINA 28630
[phone]
SAMPLE: Corning Optical (002) COLLECTION DATE. 7/27/2014
PERMIT #: COLLECTION TIME: 07:19
ADDRESS: Corning Optical RECEIVED DATE: 7/28/2014
P.O. Box 489 RECEIVED TIME: 11:51
Hickory, NC 28603-0489
REPORTED: 8/25/2014
r - ---- — - - - -
- -
ANALYSIS
- - - - - --- - -
ANALYSIS
RESULTS
UNITS
DATE ANALYST
Lead
<0.003
mg/L
811114
TSS
13.2
mg/L
7130/14 jrg
Copper
0.009
mg/L
8/1/14
Zinc
0.547
mg/L
811/14
Oil & Grease
<5.6
mg/L
7/31/14 jdg
LOG ID: 1407-430
REPORTED BY: NC CERTIFIED LAB # 50
f4"
Tony Gragg, Lab Supervisor

1dRrER6rECH ,t171F.S.Inc,
POST OFFICE BOX 1056 - #5 PINEWOOD PLAZA DR.
GRANITE FALLS, NORTH CAROLINA 28630
[phone]
SAMPLE: Corning Optical (003) COLLECTION DATE: 7/27/2014
PERMIT #: COLLECTION TIME: 07:21
ADDRESS: Corning Optical RECEIVED DATE: 7/28/2014
P.O. Box 489 RECEIVED TIME: 1 1:51
Hickory, NC 28603-0489
REPORTED: 8/25/2014
ANALYSIS
ANALYSIS
RESULTS
UNITS
DATE ANALYST
Lead
0.006
mg/L
811/14
TSS
216
mg/L
7130/14 jrg
Copper
0.007
mg/L
811/14
Zinc
0.433
mg/L
811/14
Oil & Grease
<5.6
mg/L
7/31/14 jdg
LOG ID: 1407-431
REPORTED BY: NC CERTIFIED LA13 # 50
fk
� � �
Tony Gragg, Lab Supervisor

URTERiTECH L.RJIS.Inc.
POST OFFICE BOX 1056 • 95 PINEWOOD PLAZA DR.
GRANITE FALLS, NORTH CAROLINA 28630
[phone]
SAMPLE: Corning Optical (005) COLLECTION DATE: 7/27/2014
PERMIT #: COLLECTION TIME: 07:38
ADDRESS: Corning Optical RECEIVED DATE: 7/28/2014
P.O. Box 489 RECEIVED TIME: 11:51
Hickory, NC 28603-0489
REPORTED: 8/25/2014
i
ANAL YS1 S
ANALYSIS
RESULTS
UNITS
DATE ANALYST
Lead
<0.003
mg1L
811114
TSS
13.6
mg1L
7/30114 irg
Copper
0.005
mg1L
811114
Zinc
0.767
mg/L
811114
Oil & Grease
<5.6
mg1L
7/31/14 jdg
LOG 1D.• 1407-432
REPORTED BY: NC CERTIFIED LAB 1150
Tony Gragg, Lab Supervisor

AIRTERiTEEH LRIFIS-ins.
POST OFFICE BOX 1056 • #5 PINEWOOD PLAZA DR,
GRANITE FALLS, NORTH CAROLINA 28630
[phone]
SAMPLE: Corning Optical (006) COLLECTION DATE: 7/27/2014
PERMIT #: COLLECTION TIME: 07:34
ADDRESS: Corning Optical RECEIVED DATE: 7/28/2014
P.O. BOX 489 RECEIVED TIME: 11:51
Hickory, NC 28603-0489
REPORTED: 8/25/2014
I
ANALYSIS
I ANALYSIS
RESULTS
UNITS
DATE ANALYST
Lead
<0.003
mg/L
8/1/14
TSS
4.3
mg/L
7130/14 jrg
Copper
<0.002
mg/L
811/14
Zinc
0.073
mg/L
811/14
Oil & Grease
<5.6
mg/L
7131/14 jdg
i
LOG ID: 1407-433
REPORTED BY: NC CERTIFIED LAB # 50
fpl�
'Pony Gragg, Lab Supervisor

1dRTER6rEEH LIVIrS.Inc,
POST OFFICE BOX 1056 • 95 PINEWOOD PLAZA DR.
GRANITE FALLS, NORTH CAROLINA 28630
[phone]
SAMPLE: Corning Optical (007) COLLECTION DATE: 7/27/2014
PERMIT #: COLLECTION TIME: 07:30
ADDRESS: Corning Optical RECEIVED DATE: 7/28/2014
P.O. Box 489 RECEIVED TIME: 11:51
Hickory, NC 28603-0489
REPORTED: 8/25/2014
ANALYSIS
ANALYSIS
RESULTS
UNITS
DATE ANALYST
Lead
<0.003
mglL
811114
TSS
12.8
mglL
7/30/14 jrg
Copper
0.003
mglL
811114
Zinc
0.062
mglL
811114
Oil & Grease
<5.6
mglL
7131/14 jdg
LOG ID: 1407-434 REPORTED BY: IBC CERTIFIED LAB # 50
fp�
"Pony Gragg, Lab Supervisor

RESEARCh & ANALyTICA[
LAbORATWES, INC.
Analytical/Process Consultations
Water Tech Labs. Inc.
Date Sample Collected 07/27/14
P.O. Box 1056
Date Sample Received 08/01/14
Granite Falls,
NC 28630
Date Sample Analyzed 08/01/14
Attn: ,Foe Gragg
Date of Report C8/20/14
Analyses Performed by AA
Lab Sample Number Lab Sample Number
Lab Sample Number
791448 791449
791450
Parameter
Storet #
Results Results
Results
Copper,Tot
(01042)
0.006 mg/l 0.009 mg/l
0.007 mg/l
Lead,Tot
(01051)
0.003 mg/l <0.003 mg/l
0.006 mg/l
Zinc,Tot
(01092)
0.480 mg/L 0.547 mg/l
0.433 mg/l
Clients Sample
Source
--------- --- -----
CORNING CABLE
----- --------- --- - --
CORNING CABLE
- -- --------------- - - - - -
CORNING CABLE
Number
001
002
003
Time Collected
(Hrs)
0715
0719
0721
P. a. Sox 473 • 106 Short Street • Kernersville, North Carolina 27284 • 336-996-2841 • Fax [phone]
wvvw.randalabs.com

RESEARCh & ANA1yTICA1
LAbORATO&S, INC.
Analytical/Process Consultations
Water Tech Labs. Inc. Date Sample Collected 07/27/14
P.O. Box 1056 Date Sample Received 08/01/14
Granite Falls, NC 28630 Date Sample Analyzed 08/01/14
Attn: Joe Gragg Date of Report 08/20/14
Analyses Performed by AA
Lab Sample Number Lab Sample Number Lab Sample Number
791451 791452 791453
Parameter Storet # Results Results Results
Copper,Tot (01042) 0.005 mg/l <0.002 mg/l 0.003 mg/l
Lead,Tot (01051) <0.003 mg/l <0.003 mg/l <0.003 mg/l
Zinc,Tot (01092) 0.767 mg/l 0.073 mg/l 0.062 mg/l
Clients Sample Source CORNING CABLE CORNING CABLE CORNING CABLE
Number 005 006 007
Time Collected (Hrs) 0738 0734 0730
P.O. Box 473 • 106 Short Street • Kernersvilie, North Carolina P7284 • 336-996-2641 • Fax [phone]
www randalabs.com

H
I LAB
WMAkT1E.K.RI-T'E-o-,--,r
5 Pinewood Plaza Drive - P. 0. Box 1056
Granite Falls, NC 28630
Phone [phone] -- Fax [phone]
CLIENT: Corning Cable Systems-TC Plt
c/o Steve Street
P.O Box 489
Hickory, NC 28603-0489
PHONE NUMBER: 828-327-5000
TYPE SAMPLE: Stormwater
No. LOCATIONS: 6
SAMPLER NAME:
Sample Collection
Information
TYPE
CONTAINERS
ANALYSIS REQUIRED
Sample Location
FacilityName
DATE
TIME
TEMP. °C
Grab/
composite
No
Plastic/
Glass
Discharge 001
Grab
3
Plastic/
Glass
TSS, Oil & Gr., Lead, Copper, Zinc
Discharge 002
7---r7- jq
?,, r ?.
Grab
3
Plastic/
Glass
TSS, Oil & Gr., Lead, Copper, Zinc
Discharge 003
�4
7.a14
Grab
3
Glass/
TSS, Oil & Gr., Lead, Copper, Zinc
Discharge 005
Grab
3
Plastic/
Glass
TSS, Oil & Gr., Lead, Copper, Zinc
Discharge 006
3q e_
Grab
3
Plastic/
Glass
TSS, Oil & Gr., Lead, Copper, Zinc
Discharge 007
7 , 30
Grab
3
Plastic/
Glass
TSS, Oil & Gr., Lead, Copper, Zinc
Relinquished By:
t�4���
/Date: /
Time:
Recieved B
Date:
Time:
Relin uished By:
Date:
Time:
Receiv By:
Date:
Time:
PRESERVA TION:
N-Cool 4°C
4n'2SO4
[] NaOH
[-PnNO3
j] Dechlornating Agent
I1 other
SAMPLE TEMP. @ LAB (°C) ti .
Chlorine Residual rng/I
NC CERTIFIED LAB # 50

CORNING
September 3, 2014
Steve Street Hickory Manufacturing and t 828-901-6695
Sr. EHS Coordinator Technology Center f 628.901-5665
PO Box 489 [e-mail]
Hickory, NC 28603 www.corning.com
Division of Water Quality
Attn: DWQ Central Files
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
Dear Sir/Madam:
Please find enclosed an original and one (1) copy of the Stormwater Discharge Monitoring
Report for Corning Optical Communications, LLC — Hickory Manufacturing and Technology
Center (HMTC) located in Hickory, Catawba County, North Carolina. The stormwater
samples were collected on 7/27/2014 for all permitted outfalls and represent the monthly
sample as specified in the Tier II requirements of HMTC's stormwater permit.
The results are mixed and reflect HMTC to be within the benchmark value for most permitted
parameters; however, the following benchmark parameters were exceeded:
• Copper at SDO #2
• TSS at SDO #3
• Zinc at SDO #l, SDO #2, SDO #3, SDO #5, and SDO #6
Additional attachments include the Laboratory Analytical Report, Chain -of -Custody, and the
Qualitative Monitoring Report.
Please contact me if you have any questions at 828-901-6695.
Sincerely,
Stephen L Street
Senior Environmental, Health and Safety Coordinator
attachments

Semi-annual Stormwater Discharge Monitoring Report
for North Carolina Division of Water Quality General Permit No. NCG030000
rjC603 bou Date submitted: 7 1s 2014
CERTIFICATE OF COVERAGE NO. CG 0000 SAMPLE COLLECTION YEAR: 2014
FACILITY NAME: HickoryManuf n and Technoloay Center SAMPLE PERIOD ❑ Jan -June ❑ July -Dec
COUNTY: Catawba or ® Monthly' —June
PERSON COLLECTING SAMPLES: Steve Street DISCHARGING TO CLASS ❑ORW ❑HQW ❑Trout ❑PNA
LABORATORY: Water Tech Labs Lab Cert. # 50 RECEIVED
d ❑Zero -flow ❑Water Supply [—]SA
Comments on sample collection or analysis: C G i D [—]Other
JUL 2 5 2014 PLEASE REMEMBER TO SIGN ON PAGES 2 AND/OR 3 4
CENTRAL FILES
Part A: Stormwater Benchmarks and Monitoring Results DWCIBOG
❑ No discharge this period?'
Out -fall No.
Date Sample
Collected'
(mo/dd/yr)
24-hour rainfall
amount,
Inches3
Total Suspended Solids
pH,
Standard units
Copper
Lead
Zinc
Non -Polak O&G/
Total Petroleum
Hydrocarbons
Total Toxic
Organicss
Benchmarks =__>
_
-
100 mg/L or 50 mg/L
6.0 — 9.0
0.007 mg/L
0.03 mg/L
0.067 mg/L
15 mg/L
1 mg/L
1
6/24/14
.1"
58 mg/I
6.9
.022 mg/I
.014 mg/i
.946 mg/I
<5.6 mg/I
N/A
2
6/24/14
.1"
22 mg/I
7.23
.011 mg/1
.005 mg/I
.385 mg/I
<5.6 mg/I
N/A
3
6/24/24
.1"
31 mg/I
7.23
.025 mg/I
.010 mg/I
.595 mg/I
<5.6 mg/I
N/A
5
6/24/14
.1"
6.8 mg/I
7.63
.022 mg/I
<.003 mg/1
.602 mg/I
<5.6 mg/I
N/A
6
6/24/14
.1"
7.2 mg/I
6.44
<.002 mg/1
<.003 mg/I
.055 mg/I
<5.6 mg/1
N/A
7
6/24/14
X'
7.4 mg/I
7.29
.003 mg/I
<.003 mg/I
.051 mg/I
<5.6 mg/I
N/A
' Monthly sampling (instead of semi-annual) must begin with the second consecutive benchmark exceedance for the same parameter at the same outfall.
2 For sampling periods with no discharge at any single outfall, you must still submit this discharge monitoring report with a checkmark here.
3The total precipitation must be recorded using data from an on -site rain gauge. Unattended sites may be eligible for a waiver of the rain gauge requirement.
4 See General Permit, Table 3 identifying the especially sensitive receiving water classifications where the more protective benchmark applies.
5 Total Toxic Organics sampling is applicable only for those facilities which perform metal finishing operations, manufacture semiconductors, manufacture
electronic crystals, or manufacture cathode ray tubes. For purposes of this permit the definition of Total Toxic Organics is that definition contained in the EPA
Effluent Guidelines for the facility subject to the requirement to sample (for metal finishing use the definition as found in 40 CFR 433.11; for semiconductor
manufacture use the definition as found in 40 CFR 469.12; for electronic crystal manufacture use the definition as found in 40 CFR 469.22; and for cathode ray
tube manufacture use the definition found in 40 CFR 469.31).
Permit Date: 11/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 1 of 3

Facilities that incorporate a solvent management plan into the Stormwater Pollution Prevention Plan may so certify, and the requirement for TTO monitoring
may be waived. The solvent management plan shall include a list of the total toxic organic compounds used and the other elements listed in the General
Permit. For those facilities electing to employ the TTO monitoring waiver, the discharger shall sign the following certification statement:
"Based upon my inquiry of the person or persons directly responsible for managing compliance with the permit monitoring requirement for total toxic organics
(TTO), I certify that to the best of my knowledge and belief, no dumping of concentrated toxic organics into the stormwater or areas which are exposed to rainfall or
stormwater runoff has occurred since filing the last discharge monitoring report. I further certify that this facility is implementing the all the provisions of the
solvent management plan included in the Stormwater Pollution Prevention Plan."
N/A
Name (Print name)
N/A
Title (Print title)
N/A
(Signature)
(Date)
Note: Results must be reported in numerical format. Do not report Below Detection Limit, BDL, <PQL, Non -detect, ND, or other similar non -numerical
format. When results are below the applicable limits, they must be reported in the format "<XX mg/L", where XX is the numerical value of the detection
limit, reporting limit, etc. in mg/L.
Note: if you report a sample value in excess of the benchmark, you must implement Tier 1, Tier 2, or Tier 3 responses. See General Permit text.
Part B: Vehicle Maintenance Area Monitoring Results: only for facilities averaging > 55 gal of new oil per month.
❑ No discharge this period?z
Outfall No.
Date Sample
Collected'
(mo/dd/yr)
24-hour rainfall
amount,
Inches3
Non -polar O&G/TPH by
EPA 1664 (SGT-HEM)
Total Suspended Solids
pH
Benchmarks ===>
_
-
15 mg/L
100 mg/L or 50 mg/L*
6.0 — 9.0 SU
N/A
N/A
N/A
N/A
N/A
N/A
Footnotes from Part A also apply to this Part B
* See General Permit text, Table 5, identifying the especially sensitive receiving water classifications where the more protective benchmark applies.
Permit Date: 11/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 2 of 3

Note: If you report a sample value in excess of the benchmark, you must implement Tier 1, Tter 2, or Tier 3 responses. See General Permit text.
FOR PART A AND PART B MONITORING RESULTS:
• A BENCHMARK EXCEEDANCE TRIGGERS TIER 1 REQUIREMENTS. SEE PERMIT PART II SECTION B.
• 2 EXCEEDANCES IN A ROW FOR THE SAME PARAMETER AT THE SAME OUTFALL TRIGGER TIER 2 REQUIREMENTS. SEE PERMIT PART II SECTION B.
• TIER 3: HAS YOUR FACILITY HAD 4 OR MORE BENCHMARK EXCEEDENCES FOR THE SAME PARAMETER AT ANYONE OUTFALL? YES ®NO❑
IF YES, HAVE YOU CONTACTED THE DWQ REGIONAL OFFICE? YES NO ❑
REGIONAL OFFICE CONTACT NAME: Letter sent to Mr. Mike Parker on May 7`
Mail an original and one copy of this DMR, including all "No Discharge" reports, within 30 days of receipt of the lob results (or at end of monitoring period
in the case o "No Discharge" warts) to:
Division of Water Quality
Attn: DWQ Central Files
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
YOU MUST SIGN THIS CERTIFICATION FOR ANY INFORMATION REPORTED:
"I certify, under penalty of law, that this document and all attachments were prepared under my direction or supervision in accordance with a system designed to
assure that qualified personnel properly gather and evaluate the information submitted. Based on my inquiry of the person or persons who manage the system, or
those persons directly responsible for gathering the information, the information submitted is, to the best of my knowledge and belief, true, accurate, and complete. I
am aware that there are significant penalties for submitting false information, including the possibility of fines and imprisonment for knowing violations."
(Signature of Permittee)
(Date)
Permit Date:11/1/2012-10/31/2017
SWU-245, last revised 10/25/2012
Page 3 of 3

NCDENR
Stormwater Discharge 4utfall (SDO)
Qualitative Monitoring Report
For guidance on filling out this form, please visit. http://portal.ncdenr.org/web Jwq jws/su/nvdessw#tab-4
Permit No.-/C/ 0//0/Q/0/0/0/ or Certificate of Coverage No.:
Facility Name: Hickory_ Manufacturing and Technology Cgnter- Corning Optical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Steve Street
Date of Inspection: 6 24 14
Time of Inspection: am
Total Event Precipitation (inches): T
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
® Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the Iocal DWQ Regional Office.
By this signature, I certify that report is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
Page 1 of 2
SWU-242, last modified 10/25/2012

1. Outfall Description:
Outfall No. 001 Structure (pipe, ditch, etc.) Pipe
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: Reel storage, solid
waste containers fill ra R D building.
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Color was clear.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was rep sent.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
1 02 3 4 5
S. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
0 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
1 0 3 4 5
7. is there any foam in the stormwater discharge? Yes N�
B. Is there an oil sheen in the stormwater discharge? Yes No
4. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
Page 2 of 2
SWU-242, Last modified 10/25/2012

NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
Forguidance on filling out this form, please visit. http,.Ili2ortal.ncdenr.org/web/wq/wslsuZnl2dessw#tab-1
Permit No.: /Q/Q/ /Q/0/Q/Q/Q/ or Certificate of Coverage No.: N%lfi/_/_/_/_/—/^/
Facility Name: Hickory Manufacturing_ and Technology Center - Corning Opal Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Steve Street
Date of Inspection: 6 24 14
Time of Inspection: 10:42 am
Total Event Precipitation (inches): X'
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
® Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event' is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature, I certify that this report is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
Pagel of 2
SWU-242, Last modified 10/25/2012

1. Outfall Description:
Outfall No. 002 Structure (pipe, ditch, etc.) rug
Receiving Stream: ClarWs Creek
Describe the industrial activities that occur within the outfall drainage area: Solid waste containers
designated for landfill, metal recycling container, and chemical stoarage area (covered).
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Discharge was clear.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odors were present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
1 0 3 4 5
S. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and S is the surface covered with floating solids:
Q 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
1 0 3 4 5
7. Is there any foam in the stormwater discharge? Yes N�o
B. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
Page 2 of 2
5Wll-242, Last modified 10/25/2012

�V. �
NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
Forguidance on filling out this form, please visit: http://portal.ncdenr.org/web/wQ/ws/su/npdessw#tab-4
Permit No.: or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and Technology Center - Corning Optical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Steve Street
Date of Inspection: 6124114
Time of Inspection: 10:43 am
Total Event Precipitation (inches): X'
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
® Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be j
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature, I certify that this report is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
Pagel of 2
SWU-242, last modified 10/25/2012

1. Outfall Description:
Outfall No. 003 Structure (pipe, ditch, etc.) Pjpg
Receiving Stream: lar 's Creek
Describe the industrial activities that occur within the outfall drainage area: Reel storage, machine
shop, and warehouse.
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Dingy with light brown color.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
1 02 3 4 5
5. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids;
�1 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
1 02 3 4 5
7. Is there any foam in the stormwater discharge? Yes H
8. Is there an oil sheen in the stormwater discharge? Yes No
9. is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
Page 2 of
SWU-242. Last modified 10/25/2012

NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
Forguidance on filling out this form, please visit. http -,//portal.ncdennorg/web/wq/ws/suinndessw#tab-4
Permit No.: or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and Technology Center - Corning Optical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Steve Street
Date of Inspection: 6 24 14
Time of Inspection: 10:47 am
Total Event Precipitation (inches): X'
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event' is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature, I certify that thi§ report is accurate and complete to the best of my knowledge:
re of Permittee or Designee)
Pagel of 2
SWU-242, Last modified 10/25/2012

1. Outfall Description:
Outfall No. 004 Structure (pipe, ditch, etc.) Pipe
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: No industrial activities,
only a warehouse.
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Color was clear.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
Q 2 3 4 5
5. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
Q 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
n 2 3 4 5
7. Is there any foam in the stormwater discharge? Yes No
8. Is there an oil sheen in the stormwater discharge? Yes No
9. is there evidence of erosion or deposition at the outfall? Yes N
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
Page 2 of 2
SWU-242, Last modified 10/25/2012

*w
A��
NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
Forguidance on filling out this form, please visit. http://nortal,neden.r_.org//wp—b. f wq/ws/su/npdessw#tab-4
Permit No.: or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and Technology Center _ Corning Optical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Steve Street
Date of Inspection: 6124114
Time of Inspection: 01 :59 am
Total Event Precipitation (inches):.1"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
® Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
f
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
i
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event' is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signaturcertify that this report is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
Pagel of 2
SWU-242, Last modified 10/25/2012

I. Outfall Description:
Outfall No. 005 Structure (pipe, ditch, etc.) Pine
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: Manufacture of fiber
optic cable and warehouse.
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: C for was clear.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
0 2 3 4 5
5. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
Q 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
Q1 2 3 4 5
7. Is there any foam in the stormwater discharge? Yes No
8. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes N�
10. Other Obvious Indicators ofStormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
Page 2 of 2
SWU-242, Last modified 10/25/2012

NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
Forguidance on filling out this form, please visit: hup:I/portal.ncdenr.org/web/wa/ws/su/nndessw#tab-4
Permit No.: N/C/Q/ 3/¢/¢/¢/¢/¢/ or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and Technology Center - Corning Optical Communications
County: Catawba Phone No.: 828-991-6695
Inspector: Steve Street
Date of Inspection: 6124114
Time of Inspection: 10:57 am
Total Event Precipitation (inches): X
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
® Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or `measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event' is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature, I certify that this eport is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
Pagel of 2
SWU-242, last modified 10/25/2012

1. Outfall Description:
Outfall No. Q Structure (pipe, ditch, etc.) Pine
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: Manufacturing of fiber
optic cable.
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Color was clear.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
0 2 3 4 5
S. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
01 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
01 2 3 4 5
7. Is there any foam in the stormwater discharge? Yes No
8. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
Page 2 of 2
SWU-242, Last modified 10/25/2012

NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
Forguidance on filling out this form, please visit. http:I/oortal.ncdenr.org/web jwq/ws jsu/nodessv #tab-4
Permit No.: N/C/ U/ 3/Q/0/0/0/D/ or Certificate of Coverage No.:
Facility Name: Him Manufacturing and Technology Center -Corning Optical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Steve Street
Date of Inspection: 6L24114
Time of Inspection: 11:05 am
Total Event Precipitation (inches):
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
® Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event." is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature, I certify that this re/port is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
Pagel of 2
SWU-242, Last modified 10/25/2012

1. Outfall Description:
Outfall No. 007 Structure (pipe, ditch, etc.) Pipe
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: Manufacturing of fiber
optic cable.
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Color was clear.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
01 2 3 4 5
5. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
Q1 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
2 3 4 5
7. Is there any foam in the stormwater discharge? Yes No
8. Is there an oil sheen in the stormwater discharge? Yes No
9. is there evidence of erosion or deposition at the outfall? Yes NN
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
Page 2 of 2
SWU-242, Last modified 10/25/2012

idjwrER4rjrcH bims m..
POST OFFICE BOX 1056 • #5 PINEWOOD PLAZA DR.
GRANITE FALLS, NORTH CAROLINA 28630
[phone]
SAMPLE: Corning Optical (001) COLLECTION DATE: 6/24/2014
PERMIT #: COLLECTION TIME: 10:38
ADDRESS: Corning Optical RECEIVED DATE: 6/24/2014
P.O. Box 489 RECEIVED TIME: 12:21
Hickory, NC 28603-0489
REPORTED: 7/10/2014
i __- --- ---- -
--
ANALYSIS ------
---- - - -�
i ANALYSIS
RESULTS
UNITS
DATE ANALYST
Lead
0.014
mglL
6/27/14
TSS
58.0
mglL
6I25114 jrg
Copper
0.022
mglL
6/27/14
Zinc
0.946
mglL
6127/14
Oil & Grease
<5.6
mglL
6/30/14 jdg
LOG 1D: 1406-401 REIORTED BY: NC�CERTIFIED LAB # 50
Tony Gragg, Lab Supervisor

109TER6 ■ ECH L RBS. Inc.
POST OFFICE 80; 1056 • #5 PINEWOOD PLAZA DR.
GRANITE FALLS, NORTH CAROLINA 28630
[phone]
SAMPLE: Corning Optical (002) COLLECTION DATE: 6/24/2014
PERMIT #: COLLECTION TIME: 10:42 -
ADDRESS: Corning Optical RECEIVED DATE: 6/24/2014
P.O. Box 489 RECEIVED TIME: 12:21
Hickory, NC 28603-0489
REPORTED: 7/10/2014
--
ANALYSIS
-�-- ----- ---�
ANALYSIS
RESULTS
UNITS
DATE ANALYST
Lead
0.005
mg1L
6127/14
TSS
22.0
mg/L
6/25/14 jrg
Copper
0.011
mg/L
6127/14
Zinc
0.385
m91L
6/27/14
Oil & Grease
<5.6
mg/L
6130/14 jdg
LOG ID: 1406-402 REPORTED BY: NC CEERTIFIED LAB # 50
Tony Grabg, Lab Supervisor

WRTERiTECH LRD.5.Inc.
POST OFFICE BOX 1056 • #5 PINEWOOD PLAZA DR.
GRANITE FALLS. NORTH CAROLINA 28630
[phone]
SAMPLE., Corning Optical (003) COLLECTION DATE: 6/24/2014
PERMIT #: COLLECTION TIME: 10:43
ADDRESS: Corning Optical RECEIVED DATE: 6/24/2014
P.O- Box 489 RECEIVED TIME: 12:21
Hickory, NC 28603-0489
REPORTED: 7/ 10/2014
--------
--- - -- - -
ANALYSIS.
- - ---- - - ---- - --- _ _
ANALYSIS
RESULTS
UNITS
DATE ANALYST
Lead
0.010
mg/L
6/27/14
TSS
31.0
mg/L
6/25/14 jrg
Copper
0.025
mg/L
6/27/14
Zinc
0.595
mg/L
6/27/14
Oil & Grease
<5.6
mg/L
6/30/14 jdg
ll1
LOG 1D: 1406-403 REPORTED BY: NC CERTIFIED LAB # 50
Tony Gragg, Lab Supervisor

WjiTER6rE1CH LA8.Inc.
POST OFFICE BOX 1056 • #5 PINEWOOD PLAZA OR.
GRANITE FALLS, NORTH CAROLINA 28630
[phone]
SAMPLE., Corning Optical (005) COLLECTION DATE: 6/24/2014
PERMIT #: COLLECTION TIME: 10:59
ADDRESS: Corning Optical RECEIVED DATE: 6/24/2014
P.O. Box 489 RECEIVED TIME: 12:21
Hickory, NC 28603-0489
REPORTED: 7/10/2014
ANALYSIS
ANALYSIS
RESULTS
UNITS
DATE ANALYST
Lead
<0.003
mg/L
6/27/14
TSS
6.8
mg1L
6/25114 irg
Copper
0,022
mg/L
6127114
Zinc
0.602
mg1L
6/27/14
Oil & Grease
<5.6
mg1L
6/30114 jdg
I
LOG ID: 1406-404 REPORTED BY: NC CERTIFIED LAB # 50
fv� *
Tony Gragg, Lab Supervisor

IdO ERiffECH LRBSr.Inc.
POST OFFICE BOX 1056 • 45 PINEWOOD PLAZA DR.
GRANITE FALLS, NORTH CAROLINA 28630
[phone]
SAMPLE: Corning Optical (006) COLLECTION DATE: 6/24/2014
PERMIT #: COLLECTION TIME: 10:57
ADDRESS: Corning Optical RECEIVED DATE: 6/24/2014
P.O. Box 489 RECEIVED TIME: 12:21
Hickory, NC 28603-0489
REPORTED: 7/10/2014
ANALYSIS
ANALYSIS
RESULTS
UNITS
DATE ANALYST
Lead
<0.003
mg/L
6/27114
TSS
7.2
mg/L
6I25/14 jrg
Copper
<0.002
mg/L
6127/14
Zinc
0.055
mg/L
6l27114
Oil & Grease
<5.6
mg/L
6/30/14 jdg
LOG ID: 1406-405
REPORTED BY: NC CERTIFIED LAB # 50
fh�
Tony Gragg, I_ab Supervisor

#dRrER6TECH 1LHH.5.InC.
POST OFFICE 80; 1056 • #5 PINEWOOD PLAZA DR.
GRANITE FALLS, NORTH CAROLINA 28630
[phone]
SAMPLE. Corning Optical (007) COLLECTION DATE: 6/24/2014
PERMIT #: COLLECTION TIME: 11:05
ADDRESS: Corning Optical RECEIVED DATE: 6/24/2014
P.O. Sox 489 RECEIVED TIME., 12:21
Hickory, NC 28603-0489
REPORTED: 7/ 10/2014
ANALYSIS
--..__----------------
ANALYSIS
RESULTS
UNITS
DATE ANALYST
Lead
<0.003
mg/L
6127/14
TSS
7.4
mg/L
6125/14 irg
Copper
0.003
mg/L
6127/14
Zinc
0.051
mg/L
6127114
Oil & Grease
<5.6
mg1L
6130/14 idg
COG ID: 1406-406 REPORTED BY: NC CERTIFIED LAB # 50
flll�
"Pony Gragg, Lab Supervisor

RESEARCH & ANA1yTICA[
UbORATO&S, INC.
Analytical/Process Consultations
Water Tech Labs. Inc.
Date Sample
Collected
: 06/24/14
P.O. Box 1056
Date Sample
Received
: 06/27/14
Granite Falls,
NC 28630
Date Sample
Analyzed
: 06/27/14
Attn: Joe Gragg
Date of Report
: 07/08/14
Analyses Performed by
: AA
Lab Sampie Number Lab Sample Number
-------••----------- --------------------
Lab Sample Number
---------------------
788875
788876
788877
Parameter
Storet #
Results
Results
Results
Copper,Tot
(01042)
C.022 mg/l
0.011
mg/l
0.025 mg/l
Lead,Tot
(01051)
0.014 mg/L
0.005
mg/l
0.010 mg/l
Zinc,Tot
(01092)
0.946 mg/t
0,385
mg/t
0.595 mg/l
Clients Sample Source
--------------------
CORNING CABLE
--------------------
CORNING CABLE
--------------------
CORNING CABLE
Number
001
002
003
Time Collected (Hrs)
1038
1042
1043
P 0. Box 473 • 106 Short Street • Kernersville, North Carolina 27284 • 336-996-2841 • Fax [phone]
www,randalabs.com

RESEARCh & ANA1yTICA1 , `.���,'S, YT,
LkORATORVS• INC.
= NC #34 z.
M
Analytical/Process Consultations
r
Water Tech Labs. Inc. Date Sample Cotlected 06/24/14
P.O. Box 1056 Date Sample Received 06/27/14
Granite Falls, NC 28630 Date Sample Analyzed 06/27/14
Attrn: Joe Gragg Date of Report 07/08/14
Anatyses Performed by AA
Lab Sample Number Lab Sample. Number Lab Sample Number
-------------------- -------------------- --------------------
788878 788879 788880
Parameter Strret # Results Results Results
Copper,Tot (01042)
Lead,Tot (01051)
Zinc,Tot (01092)
Clients Sample Source
Number
Time Collected (Hrs)
0.022 mg/t
<0.003 mg/l
0.602 mg/l
<0.002 mg/l
<0.003 mg/l
0.055 mg/l
0.003 mg/l
<0.003 mg/1
0.051 mg/l
CORNING CABLE CORNING CABLE CORNING CABLE
: 005 006 007
1059 1057 1105
P. 0. Box 473 • 106.Short Street • Kernersville, North Carolina 272B4 • 336-996.2641 • Fax [phone]
www.randalabs.com

+ 1� 1����� I i� I J r I i��� r I L, `1 � � I�nc�•
5 Pinewood Plaza Drive -- P. 0. Box 1056
Granite Falls, NC 28630
Phone [phone] - Fax [phone]
CLIENT: Corning Cable Systems-TC Pit PHONE NUMBER: 828-327-5000
c/o Steve Street
P-O Box 489
Hickory, NC 28603-0489
TYPE SAMPLE: Stormwater
No. LOCATIONS: 6
SAMPLER NAME:
Sample Collection
Information
TYPE
CONTAINERS
ANALYSIS REQUIRED
Sample Location
FacilityName
DATE
TIME
TEMP. °C
Grab/
Composite
No
Plastic/
Glass
Discharge 001
(�� J
/0; 3
—
Grab
3
Plastic/
Glass
TSS, Oil & Gr., Lead, Copper, Zinc
Discharge 002
Ga�l•J�I
A) qJ-
Grab
3
Plastic/
Glass
TSS Oil & Gr., Lead, Copper, Zinc
Discharge 003
/� 'I
CQ-d`1 -'Y
10,A -
Grab
3
Plastic/
Glass
TSS, Oil & Gr., Lead, Copper, Zinc
Discharge 005
Grab
3
Plastic/
Glass
TSS, Oil & Gr., Lead, Copper, Zinc
Discharge 006
Grab
3
Plastic/
Glass
TSS, Oil & Gr,, Lead, Copper, Zinc
Discharge 007
1
Grab
3
Plastic/
Glass
TSS, Oil & Gr., Lead, Copper, Zinc
Relinquished By:
Date:
Time:
Recieved
Date:
Time:
Reli quished By:
Date:
Time:
Recei By:
Date:
Time:
PRESERVATION:
j 'Cool 4-C
j] H2SO4
j] NaOH
j1-14NO3
j] Dechlornating Agent
j] Other
SAMPLE TEMP. @ LAB (°C)i' •-
Chlorine Residual mgll
NC CERTIFIED LAB # 50

CORNING
July 17, 2014
Steve Street Hickory Manufacturing and t 828-901-6695
Sr. EHS Coordinator Technology Center f 828-901-5665
PO Box 489 [e-mail]
Hickory, NC 28603 www oorning.com
Division of Water Quality
Attn: DWQ Central Files
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
Dear Sir/Madam:
Please find enclosed an original and one (1) copy of the Stormwater Discharge Monitoring
Report (DMR) for Corning Optical Communications, LLC — Hickory Manufacturing and
Technology Center (HMTC) located in Hickory, Catawba County, North Carolina. The
stormwater samples were collected on 6/24/2014 for all permitted outfalls and represent the
monthly sample as specified in the Tier 1I requirements of HMTC's stormwater permit.
The results are mixed and reflect HMTC to be within the benchmark value for most permitted
parameters; however, the following benchmark parameters were exceeded:
• Copper and Zinc at SDO 41, SDO #2, SDO #3, and SDO #5
Additional attachments include the Laboratory Analytical Report, Chain -of -Custody, and the
Qualitative Monitoring Report.
Please contact me if you have any questions at 828-901-6695.
Sincerely,
Stephen L Street
Senior Environmental, Health and Safety Coordinator
attachments

cc,
Semi-annual Stormwater Discharjge Monitorinjq Report
for North Carolina Division of Water Quality General Permit No. NCG030000
U Date submitted: 6 25 2014
CERTIFICATE OF CO GE NO. NCCG-0030000 `tJ SAMPLE COLLECTION YEAR: 2014
FACILITY NAME: Hickory Manufacturing and Technology Center SAMPLE PERIOD ❑ Jan -June ❑ July -Dec
COUNTY: Catawba or ® Monthly' -May
PERSON COLLECTING SAMPLES: Steve Street DISCHARGING TO CLASS ❑ORW ❑HQW []Trout ❑PNA
LABORATORY: Water Tech Labs Lab Cert. # 50 ❑Zero -flow ❑Water Supply ❑SA
Comments on sample collection or analysis: __. ❑Other
.CS' VEV PLEASE REMEMBER TO SIGN ON PAGES 2 AND/OR 3 4
� 1 2014
Part A: Stormwater Benchmarks and Monitoring Results jUL S
N��` ❑ No discharge this period?z
Outfall No.
Date Sample
Collected'
(mo/dd/yr)
24rainfall
amount,
Inches3
Total Suspended Solids
pH,
Standard units
Copper
Lead
Zinc
Non-Polar O&G/hour
Total Petroleum
Hydrocarbons
Total Toxic
Organicss
Benchmarks
100 mg/L or 50 mg/L
6.0 — 9.0
0.007 mg/L
0.03 mg/L
0.067 mg/L
15 mg/L
1 mg/L
1
5/23/14
.1"
11.7 mg/I
7.14
.012 mg/I
.004 mg/i
1.83 mg/I
<5.6 mg/I
N/A
2
5/23/14
X'
41.3 mg/I
7.48
.047 mg/I
.007 mg/I
.899 mg/I
<5.6 mg/I
N/A
3
5/23/14
.1"
47.1 mg/I
7.48
.021 mg/I
.004 mg/1
.854 mg/I
<5.6 mg/I
N/A
5
5/23/14
all
12.0 mg/I
7.48
.051 mg/I
1 <.003 mg/I
.314 mg/I
<5.6 mg/I
N/A
6
5/23/14
X'
17.5 mg/I
7.18
.004 mg/I
.012 mg/i
.061 mg/I
<5.6 mg/I
N/A
7
5123/14 1
1"
70.0 mg/I
7.18
.007 mg/I
.004 mg/I
.137 mg/I
<5.6 mg/I
N/A
1 Monthly sampling (instead of semi-annual) must begin with the second consecutive benchmark exceedance for the same parameter at the same outfall.
2 For sampling periods with no discharge at any single outfall, you must still submit this discharge monitoring report with a checkmark here.
3The total precipitation must be recorded using data from an on -site rain gauge. Unattended sites may be eligible for a waiver of the rain gauge requirement.
4 See General Permit, Table 3 identifying the especially sensitive receiving water classifications where the more protective benchmark applies.
5 Total Toxic Organics sampling is applicable only for those facilities which perform metal finishing operations, manufacture semiconductors, manufacture
electronic crystals, or manufacture cathode ray tubes. For purposes of this permit the definition of Total Toxic Organics is that definition contained in the EPA
Effluent Guidelines for the facility subject to the requirement to sample (for metal finishing use the definition as found in 40 CFR 433.11; for semiconductor
manufacture use the definition as found in 40 CFR 469.12; for electronic crystal manufacture use the definition as found in 40 CFR 469.22; and for cathode ray
tube manufacture use the definition found in 40 CFR 469.31).
Permit Date: 11/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 1 of 3

Facilities that incorporate a solvent management plan into the Stormwater Pollution Prevention Plan may so certify, and the requirement for TTO monitoring
may be waived. The solvent management plan shall include a list of the total toxic organic compounds used and the other elements listed in the General
Permit. For those facilities electing to employ the TTO monitoring waiver, the discharger shall sign the following certification statement:
"Based upon my inquiry of the person or persons directly responsible for managing compliance with the permit monitoring requirement for total toxic organics
(TTO), I certify that to the best of my knowledge and belief, no dumping of concentrated toxic organics into the Stormwater or areas which are exposed to rainfall or
stormwater runoff has occurred since filing the last discharge monitoring report. I further certify that this facility is implementing the all the provisions of the
solvent management plan included in the Stormwater Pollution Prevention Plan."
Name (Print name)
N/A
Title (Print title)
N/A
(Signature) (Date)
Note: Results must be reported in numerical format. Do not report Below Detection Limit, BDL, <PQL, Non -detect, ND, or other similar non -numerical
format. When results are below the applicable limits, they must be reported in the format, "<XX me/1.", where XX is the numerical value of the detection
limit, reporting limit, etc. in mg/L.
Note: if you report a sample value in excess of the benchmark, you must implement Tier 1, Ver 2, or Tier 3 responses. See General Permit text.
Part B: Vehicle Maintenance Area Monitoring Results: only for facilities averaging > 55 gal of new oil per month.
❑ No discharge this period?Z
Outfail No.
Date Sample
Collected'
(mo/dd/yr)
24-hour rainfall
amount,
lnches3
Non -polar O&G/TPH by
EPA 1664 (SGT-HEM)
total Suspended Solids
pH
Benchmarks ===>
-
-
15 mg/L
100 mg/L or 50 mg/L*
6.0 — 9.0 SU
N/A
N/A
N/A
N/A
N/A
N/A
Footnotes from Part A also apply to this Part B
* See General Permit text, Table 5, identifying the especially sensitive receiving water classifications where the more protective benchmark applies.
Permit Date: 11/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 2 of 3

Note: if you report a sample value in excess of the benchmark, you must implement Tier 1, Tier 2, or Tier 3 responses. See General Permit text.
FOR PART A AND PART B MONITORING RESULTS:
• A BENCHMARK EXCEEDANCE TRIGGERS TIER 1 REQUIREMENTS. SEE PERMIT PART Fi SECTION B.
• 2 EXCEEDANCES IN A ROW FOR THE SAME PARAMETER AT THE SAME OUTFALL TRIGGER TIER 2 REQUIREMENTS. SEE PERMIT PART II SECTION B.
TIER 3: HAS YOUR FACILITY HAD 4 OR MORE BENCHMARK EXCEEDENCES FOR THE SAME PARAMETER AT ANY ONE OUTFAI_L? YES ® NO❑
IF YES, HAVE YOU CONTACTED THE DWQ REGIONAL OFFICE? YES NO ❑
REGIONAL OFFICE CONTACT NAME: Letter sent to Mr. Mike Parker on May 7`
Mail an original and one copy of this DMR, including all 'No Discharge" reports within 30 days of receipt of the lab results (or at end of monitoring period
in the case of "No Discharae"reports) to:
Division of Water Quality
Attn: DWQ Central Files
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
YOU MUST SIGN THIS CERTIFICATION FOR ANY INFORMATION REPORTED:
"I certify, under penalty of law, that this document and all attachments were prepared under my direction or supervision in accordance with a system designed to
assure that qualified personnel properly gather and evaluate the information submitted. Based on my inquiry of the person or persons who manage the system, or
those persons directly responsible for gathering the information, the information submitted is, to the best of my knowledge and belief, true, accurate, and complete.
am aware that there are significant penalties for submitting false information, including the possibility of fines and imprisonment for knowing violations."
(Signature of Permittee) (Date)
Permit Date: 11/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 3 of 3

CORNING
June 25, 2014
Steve Street Hickory Manufacturing and t 828-901-6695
Sr. EHS Coordinator Technology Center f 828-901-5665
PO Box 489 [e-mail]
Hickory, NC 28603 www.corning.com
Division of Water Quality
Attn: DWQ Central Files
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
Dear Sir/Madam:
Please find enclosed an original and one (1) copy of the Stormwater Discharge Monitoring
Report (DMR) for Corning Optical Communications, LLC — Hickory Manufacturing and
Technology Center (HMTC) located in Hickory, Catawba County, North Carolina. The
stormwater samples were collected on 5/23/2014 for all permitted outfalls and represent the
monthly sample as specified in the Tier II requirements of HMTC's stormwater permit.
The results are mixed and reflect HMTC to be within the benchmark value for most permitted
parameters; however, the following benchmark parameters were exceeded:
• Copper at SDO #l, SDO #2, SDO #3, and SDO #5
• Zinc at each permitted outfall with the exception of SDO #6
Additional attachments include the Laboratory Analytical Report, Chain -of -Custody, and the
Qualitative Monitoring Report.
Please contact me if you have any questions at 828-901-6695.
Sincerely,
Stephen L Street
Senior Environmental, Health and Safety Coordinator
attachments

M.,
NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
Forguidance on filling out this form, please visit: http;//portal.ncdenr.org/web/wg/ws/su/npdessw#tab-4
Permit No.: or Certificate of Coverage No.:
Facility Name: HickoEy ManufaCturingalld T h to enter - Corning tic Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Steve Street
Date of Inspection: 5,123.114
Time of Inspection:zo•02 am
Total Event Precipitation (inches): 1
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
® Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event' or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature,
II certify that this report is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
Pagel of 2
SWU-242, Last modified 10/25/2012

1. Outfall Description:
Outfall No. 001 Structure (pipe, ditch, etc.) Pine
Receiving Stream: Clark's Creep.
Describe the industrial activities that occur within the outfall drainage area: Reel storage, solid
waste containers designated for landfill, hazardous waste storage, and R&D building,
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Color was clear.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
1 22 3 4 5
5. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
W 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
0 2 3 4 5
7. Is there any foam in the stormwater discharge? Yes NN
B. Is there an oil sheen in the stormwater discharge? Yes H
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious indicators of Stormwater Pollution: None
List and descri
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
Page 2 of 2
SWU-242, Last modified 10/25/2012

A7*x�-A
NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
For guidance on filing out thisform, please visit. http://portal.ncdenr.org/web/wglws/su/nl2dessw#tab-4
Permit No.: or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and Technology Center - Corning Optical Communications
County: Catawba Phone No.: 628-901-6695
Inspector: Steve Street
Date of Inspection: 5/23114
Time of Inspection: 10:04 am
Total Event Precipitation (inches): X
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
® Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signatujr , I certify that this report is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
Page 1 of 2
SWU-242. Last modified 10/25/2012

1. Outfall Description:
Outfall No. 003 Structure (pipe, ditch, etc.) it &
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: Reel storage. machine
shop, and warehouse.
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Dingy with light brown color.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
1 3 4 5
5. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
W 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
1 0 3 4 5
7. Is there any foam in the stormwater discharge? Yes 5
8. is there an oil sheen in the stormwater discharge? Yes NN
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
Page 2 of 2
SWU-242, Last modified 10/25/2012

��
NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
Forguidance on filling out this form, please visit: httn://nortal.ncdenr.org/,rngbJ.wq./yv5f 5u/npdessw##tab-4
Permit No.: N/C/ (�/ /Q/Q/Q/0/Q/ or Certificate of Coverage No.: N/C/C/_/_/_/_/_/_/
Facility Name: Hickory Manufacturing and Technology Center - Corning Optical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Steve Street
Date of Inspection: 5 2 4
Time of inspection: :06 am
Total Event Precipitation (inches):
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
® Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature, Icertify that this e
(Signature of Permittee or Designee)
rt is accurate and complete to the best of my knowledge:
SWU-242, Last modified 10/25/2012
Pagel of 2

1. Outfall Description:
Outfall No. 004 Structure (pipe, ditch, etc.) Pine
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: No industrial activities,
on y_a_warehouse.
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Color was clear.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
T1 2 3 4 S
5. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
�1 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
0 2 3 4 5
7. Is there any foam in the stormwater discharge? Yes Nd
8. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be Indicative of pollutant exposure. These conditions warrant further investigation.
Page 2 of 2
SWU-242, Last modified 10/25/2012

A
NCDENR
Stormwater Discharge Outfail (SDO)
Qualitative Monitoring Report
Forguidance on filling out this form, please visit:http://poiUl.ncdgn[.org.ZwCb/wQ/ws/su/updessw#tab--1
Permit No.: I�// 0//0/0/Q/0/Q/ or Certificate of Coverage No.:
Facility Name: _ icko j3lManufacturing and Technology Center - Corning Optical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Steve Street
Date of Inspection: 5 14
Time of Inspection: 10:10 a
Total Event Precipitation (inches):
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
® Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature,.I-ce that thisr port is accurate and complete to the best of my knowledge:
.r
(Signature of Permittee or Designee)
Page 1 of 2
SWU-242, Last modified 10/25/2012

1. Outfall Description:
Outfall No. OQ2 Structure (pipe, ditch, etc.) Pine
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: Solid waste containers
designated fQr landfill, Metal recycling container. and chemical stoarage area (covered).
Z. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Discharge was clear.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odgrrs were present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
1 5 3 4 5
S. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
01 2 3 4 5
G. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
1 n2 3 4 5
7. Is there any foam in the stormwater discharge? Yes No
8. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
Page 2 of 2
SWU•242, Last modified 10/25/2012

1d TER4rECH LRDS.-C.
POST OFFICE BOX 1056 • #5 PINEWOOD PLAZA DR.
GRANITE FALLS, NORTH CAROLINA 28630
[phone]
SAMPLE: Corning Optical (001) COLLECTION DATE: 5/23/2014
PERMIT #: COLLECTION TIME: 10:02
ADDRESS: Corning Optical RECEIVED DATE: 5/23/2014
P.O. Box 489 RECEIVED TIME: 12:30
Hickory, NC - 28603-0489
REPORTED: 6/18/2014
-------------.
----- - _. _ -
—ANALYSIS
ANALYSIS
RESULTS
UNITS
DATE ANALYST
Lead
0.004
mg1L
5130114'
TSS
11.7
mg/L
5/28114 irg
Copper
0.012
mg/L
5/30114
Zinc
1.83
mg/L
5/30114
Oil R Grease
<5.6
mg/L
5128114 jdg
LOG ID: 1405-392 REPORTED BY: NC CERTIFIED LAB # 50
ff 60"
Tony Gragg, Lab Supervisor

IdATER4TECH L.9851nc.
POST OFFICE BOX 1056 • #5 PINEWOOD PLAZA DR.
GRANITE FALLS, NORTH CAROLINA 28630
[phone]
SAMPLE: Corning Optical (002) COLLECTION DATE: 5/23/2014
PERMIT #: COLLECTION TIME: 10:10
ADDRESS: Corning Optical RECEIVED DATE: 5/23/2014
P.O. Box 489 RECEIVED TIME: 12:30
Hickory, NC 28603-0489
REPORTED: 6/18/2014
j --- --��-�
- -
ANALYSIS
ANALYSIS
RESULTS
UNITS
DATE
ANALYST
Lead
0.007
mg/L
5/30114
TSS
41.3
mg/L
5/28/14
irg
Copper
0.047
mg/L
5/30114
Zinc
0.899
mg/1-
5/30114
Oil & Grease
<5.6
mg/L
5/28114
jdg
i
LOG ID: 1405-393 REPORTED BY: NC CERTIFIED LAB # 50
Tony Gragg, Lab Supervisor

1dRriER6rrcH LRNS.Inc.
POST OFFICE BOX 1056 • #5 PINEWOOD PLAZA DR.
GRANITE FALLS. NORTH CAROLINA 28630
[phone]
SAMPLE: Corning Optical (003) COLLECTION DATE: 5/23/2014
PERMIT #' COLLECTION TIME: 10:04
ADDRESS: Corning Optical RECEIVED DATE: 5/23/2014
P.O. Box 489 RECEIVED TIME: 12:30
Hickory, NC 28603-0489
REPORTED: 6/18/2014
ANALYSIS
ANALYSIS
RESULTS
UNITS
DATE ANALYST
Lead
0.004
mglL
5/30114
TSS
47.1
mglL
5/28114 jrg
Copper
0.021
mglL
5/30/14
Zinc
0.854
mg1L
5/30114
Oil & Grease
<5.6
mglL
5/28/14 jdg
j
LOG ID: 1405-394 REPORTED BY: NC CERTIFIED LAB # 50
fm�'.
Tony Gragg, Lab Supervisor

WRTERiTECH 11785.Mc.
POST OFFICE BOX 1056 - #5 PINEWOOD PLAZA DR.
GRANITE FALLS, NORTH CAROLINA 28630
[phone]
SAMPLE: Corning Optical (005) COLLECTION DATE: 5/23/2014
PERMIT COLLECTION TIME: 10:25
ADDRESS: Corning Optical RECEIVED DATE: 5/23/2014
P.O. Box 489 RECEIVED TIME: 12:30
Hickory, NC 28603-0489
REPORTED: 6/18/2014
_ANALYSIS
ANALYSIS
RESULTS
UNITS
DATE ANALYST
Lead
<0.003
mg1L
5/30/14
TSS
12.0
mg/L
51281M irg
Copper
0,051
mg/L
5/30114
Zinc
0.314
mg/L
5130I14
Oil & Grease
<5.6
mglL
5/28114 jdg
LOG ID: 1405-395 REPORTI-D BY: NC CERTIFIED LAB # 50
Tony Gragg, Lab Supervisor

idivTER6rEcH L1 DS.c.
POST OFFICE BOX 1056 • #5 PINEWOOD PLAZA DR.
GRANITE FALLS, NORTH CAROLINA 28630
[phone]
SAMPLE: Corning Optical (006) COLLECTION DATE: 5/2312014
PERMIT #: COLLECTION TIME: 10:23
ADDRESS: Corning Optical RECEIVED DATE: 5/23/2014
P.O. Box 489 RECEIVED TIME: 12:30
Hickory, NC 28603-0489
REPORTED: 6/18/2014
r
ANALYSIS
ANALYSIS
RESULTS
UNITS
DATE
ANALYST
Lead
0.012
mg/L
5130/14
TSS
17.5
mg/L
5128/14
jrg
Copper
0.004
mg/L
5/30/14
Zinc
0.061
mg1L .
5/30/14
Oil & Grease
<5.6
mg/L
5128/14
jdg
- --- -- -- - --- - -
LOG ID: 1405-396 REPORTED BY: NCCERTIFIEDLAB # 50
flll� �' J �
'Pony Gragg, Lab Supervisor

uRrERirECH LR115m..
POST OFFICE BOX 1056 • #5 PINEWOOD PLAZA DR.
GRANITE FALLS, NORTH CAROLINA 28630
[phone]
SAMPLE: Corning Optical (007) COLLECTION DATE: 5/23/2014
PERMIT #E: COLLECTION TIME: 10:19
ADDRESS: Corning Optical RECEIVED DATE: 5/23/2014
P.O. Box 489 RECEIVED TIME: 12:30
Hickory, NC 28603-0489
REPORTED: 6/ 18/2014
ANALYSIS
ANALYSIS
RESULTS
UNITS
DATE ANALYST
Lead
0.004
mg/L
5/30/14
TSS
70.0
mg/L
5128I14 irg
Copper
0.007
mg/L
5/30114
Zinc
0,137,
mg/L
5130114
Oil & Grease
<5.6
mg/L
5/28/14 idg
LOG ID: 1405-397 RI PORTED BY: NC CERTIFI .D LAB # 50
Tony Gragg, Lab Supervisor

;^ RESEARCh & ANAlyTICAI
LABORATORIES, INC.
Analytical/Process Consultations
�� ,.• Ctr ••.,..
r • Q i r
•� 0.Cn:
LIED AtA
Water Tech Labs. Inc.
Date
Sample Collected
05/23/14
P.O. Box 1056
Date
Sample Received
05/30/14
Granite Falls, NC 28630
Date
Sample Analyzed
05/30/14
Attn: Joe Gragg
Date
of Report
06/12/14
Analyses Performed by
AA
Lab Sample Number Lab Sample Number Lab Sample Number
786638
786639
786640
Parameter Storet #
Results
Results
Results
Copper,Tot (01042)
Lead,Tot (01051)
Zinc,Tot (01092)
Clients Sample Source
Number
Time Collected (Hrs)
0.012 mg/l
0.004 mg/l
1.83 mg/l
0.047 mg/l
0.007 mg/l
0.899 mg/l
0.021 mg/l
0.004 mg/l
0.854 mg/l
---------------------------------------- --------------------
CORNING CABLE CORNING CABLE CORNING CABLE
: 001 002 003
1002 1010 1004
P 0. Box 473 • 106 Short Street • Kernersviile, North Carolina 27284 • 336-996-2B41 • Fax [phone]
www.randalabs.corn

RESEARCh & ANA1yTICA[
LABORATORIES, INC.
Analytical/Process Consultations
Water Tech Labs. Inc.
Date Sample
Collected :
05/23/14
P.O. Box 1056
Date Sample
Received :
05/30/14
Granite Fafls,
NC 28630
Date Sample
Analyzed
05/30/14
Attn: Joe Gragg
Date of Report
06/12/14
Analyses Performed by
AA
Lab Sample Number Lab Sample
Number
Lab Sample Number
786641
786642
786643
Parameter
Storet #
Results
Results
Results
Copper,Tot
(01042)
0.051 mg/l
0.004
mg/l
0.007 mg/l
Lead,Tot
(01051)
cO.003 mg/l
0,012
mg/t
0.004 mg/l
Zinc,Tot
(01092)
0.314 mg/l
0.061
mg/l
0.137 mg/t
Clients Sample
Source
CORNING CABLE
CORNING CABLE
CORNING CABLE
Number
005
006
007
Time Collected
(Hrs)
1025
1023
1019
P.O Box 473 • 106 Short Street • Kernersville. North Carolina 27284 • 336-996-2841 • Fax [phone]
www.randalabs.com

Wi��ff Er, �' T'Eu-,Ci � I L,, ` r 1+S', Jhe
)
5 Pinewood Plaza Drive — P.O. Box 1056
Granite Falls, NC 28630
Phone [phone] -- Fax [phone]
CLIENT: Corning Cable Systems-TC Pit PHONE NUMBER: 828-327-5000
c/o Steve Street TYPE SAMPLE: Stormwater
P.O Box 489 No. LOCATIONS: 6
Hickory, NC 28603-0489 SAMPLER NAME:
Sample Collection
Information
TYPE
CONTAINERS
ANALYSIS REQUIRED
Sample Location
FacilityName
DATE
TIME
TEMP. °C
Grab/
Composite
No
Plastic/
Glass
Discharge 001
�
�D, p 2
Grab
3
Plastic/
TSS, Oil & Gr., Lead, Copper, Zinc
Discharge 002
�I�i'
lob D
Grab
3
c
GlasPlastis )
TSS, Oil & Gr., Lead, Copper, Zinc
Discharge 003
��
�� ; p
Grab
3
Plastic/
Glass
TSS, Oil & Gr., Lead, Copper, Zinc
Discharge 005
61a 1�
1
4 j
C,
Grab
3
PlastiGlass/
TSS, Oil & Gr., Lead, Copper, Zinc
Discharge 006
1
03
Grab
3
Plastic/
Glass
TSS, Oil & Gr., Lead, Copper, Zinc
Discharge 007
612.311q
�4�i,?
Grab
3
Glass/
TSS, Oil & Gr., Lead, Copper, Zinc
Relinquished By:
Date:
Time:
Recieved
Date:
Time:
Reli quished By:
Date:
Time:
Recei ed By:
Date:
Time:
PRESERVATION.
col °C
SO4
I N
HNO3
j] Dechlornating Agent
j] Other
SAMPLE TEMP. @ LAB (°C)
Chlorine Residual mg/I
NC CERTIFIED LAB # 50

vmw
A
NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
Forguidance on filling out this form, please visit: httn://nortal.nMen norg/web/w w,sJsu/nodessw#tab-4
Permit No.: lU/-C/Q/-2/0/0/0/0/0/ or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and Technology Center - Corning Optical Communications
County: Catawba Phone No.: 82$-901-6695
Inspector: Steve Street
Date of Inspection: 5123114
Time of Inspection: 10:19 am
Total Event Precipitation (inches):.l"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
® Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a °measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature, I certify that this report is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
Pagel of 2
SWU•242, Last modified 10/25/2012

1. Outfall Description:
Outfall No. 007 Structure (pipe, ditch, etc.) Pine
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: Manufacturing of fifer
optic cable.
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Color was dingy w_ ith light brown color.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
1 2 4 5
5. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
W 2 3 4 5
G. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
1 Q 3 4 5
7. Is there any foam in the stormwater discharge? ©e No
B. Is there an oil sheen in the stormwater discharge? Yes H
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: NDne
List and describe: Foaming -appeared t-o_be caused from aeration occurring from the discharge.
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
Page 2 of 2
SWU-242, last modified 10/25/2012

AvTL*WA-A NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
Forguidance on filling out this form, please visit: hUp://aortal.ncdenr.org/Web/wg/Ws/su/npdessw#tab-4
Permit No.: T`I/C/ {�//Q/0/Q/Q/Q/ or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and Technology Center - Corning Optical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Steve Street
Date of Inspection: 5123114
Time of Inspection: 1U 23 am
Total Event Precipitation (inches):.1"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
® Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However, I
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event' is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall, The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature, I certjfy that thisreport is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
Pagel of 2
SWU-242, Last modified 10/25/2012

I. Outfall Description:
Outfall No. 006 Structure (pipe, ditch, etc.) Pine
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: Manufacturing of fiber
optic cable.
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Color was -clear. ____ _____
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was -present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
0 2 3 4 5
S. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
n 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
0 2 3 4 5
7. Is there any foam in the stormwater discharge? Yes H
B. Is there an oil sheen in the stormwater discharge? Yes ©o
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
Page 2 of 2
SWU-242, Last modified 10/25/2012

NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
For guidance on filling out this form, please visit: http;//portal.ncdenr.org/web/wgfws/su/nndessw#tab-4
Permit No.: N/C/ 0/ 3/Q/0/0/0/0/ or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing grid Techllphgy Center - Corning Optical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Steve Street
Date of Inspection: 14
Time of Inspection: :25 am
Total Event Precipitation (inches): 1
Was this a 'Representative Storm .Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
® Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature, I certify t/ha this report is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
Pagel of 2
SWU-242, Last modified 10/25/2012

1. Outfall Description:
Outfall No. i-05, Structure (pipe, ditch, etc.) Pipe
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: Manufacture of fiber
optic cable and warehouse.
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Color was clear.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
Q 2 3 4 5
S. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
Q 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
T 2 3 4 5
7. Is there any foam in the stormwater discharge? Yes No
8. Is there an oil sheen in the stormwater discharge? Yes N�
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
Page 2 of 2
SWU-242, Last modified 10/25/2012

Michael F. Easley, Governer"
William G. Ross Jr., Secretary
North Carolina Department of Environment and Natural Resources
Colcen H. Sullins, Director
Division of Water Quality
October 29, 2007
Mr. Steve Street
Corning Cable Systems
1164 — 23rd Street Southeast
Hickory, NC 28603
Subject: Compliance Evaluation Inspection
NPDES Permit No. NCG030246
Catawba County, North Carolina
Dear Mr. Street:
Enclosed please find a copy of the Compliance Evaluation Inspection Report for the inspection conducted at
the subject facility on September 28, 2007, by Ms. Polly Lespinasse and Ms. Donna Hood of this Office. Thank
you for your assistance and cooperation during the inspection.
Overall, the facility's stormwater program was well developed and implemented and this Office commends
the permittee's efforts to ensure compliance with the permit.
The report should be self-explanatory, however, should you have any questions concerning this report, please
do not hesitate to contact Ms. Lespinasse or me at [phone]. The Division of Water Quality would like to
thank you for your attention to this matter and looks forward to your continued compliance.
Sincerely,
Robert B. Krebs
Regional Supervisor
Surface Water Protection Section
Enclosure
CC" Shelton Sullivan, NPS-ACO Unit
North Carolina Division of Water Quality 610 Last Center Avenue, Suite 301
Intemeti h2o.enr.state.nc.us Mooresville, NC 28115
Phone [phone]
Fax [phone]
nc
NaihCarolina
J13rrturrrll�
An Equal OpportunitylAffirmative Action Employer— 50% Recycled110% Post Consumer Paper

Permit: NCG030246 Owner - Facility: Corning Cable Systems LLC
Inspection Date: 09128/2007 Inspection Type: Compliance Evaluation Reason for Visit: Routine
Inspection Summary:
DWQ staff advised the facility staff to collect the storm water sample from the flared end section of the culvert at the
bottom of the slope at outfall #2. It wasn't clear where the sample from this outfall was originally being collected. Sumps
located in the hazardous waste and product storage containment areas are pumped after rainfall events (these areas are
covered, however, rain blows into them and collects in the sump). The sumps were installed to collect materials from spill
events. Facility staff indicated that employees evaluate the water collected in the sump (visually) prior to discharging it
off -site. If spills or leaks are observed in the containment area, then the recovered water is disposed through an approved
hauler. Note: The containment areas are extraordinarily clean, as is the entire facility, however, DWQ staff is concerned
about making a "visual" assessment prior to releasing the collected water. Would recommend that releases from this area
be analyzed for the constituents which may be contained in the storage area and which may possibly contaminate the
discharge.
Note: It is the opinion of DWQ staff that this facility has done an exceptional job of complying with their stormwater
permit.
Page: 2

Permit: NCG030246 Owner - Facility: Corning Cable Systems t -C
inspection Date: 09/28/2007 Inspection Type: Compliance Evaluation Reason for Visit: Routine
Comment. During the site inspection, a black PVC pipe was observed near Outfall #3.
Water appeared to be flowing through the pipe and discharging to the stream during the
inspection. Facility staff did not know if the pipe originated on their property or was from
an adjacent property. Facility staff will investigate the source of the discharge and
advise DWQ staff. Facility staff (Mr. Steve Street) contacted DWQ staff following the
inspection to advise that the black PVC was not discharging from their facility and was
in fact discharging from the neighboring property.
Page: 4

NCG Stormwater Questions for Facilities in BIMS
Yes
Stormwater Pollution Prevention Plan
No
[ ❑
NA
❑
NE� 7%
❑
Does the site have a Stormwater Pollution Prevention Plan?
❑
❑
❑
Does the Plan include a General Location (USGS) map?
[� ❑
❑
❑
Does the Plan include a "Narrative Description of Practices"?
U^3�/ El
El
Does the Plan include a detailed site map including outfall locations and drainage areas?
Li' ❑
❑
❑
Does the Plan include a list of significant spills occurring during the past 3 years?
19 ❑
❑
❑
Has the facility evaluated feasible alternatives to current practices?
D ❑
❑
❑
Does the facility provide all necessary secondary containment?
[L�❑
❑
❑
Does the Plan include a BMP summary?
LJ ❑
❑
❑
Does the Plan include a Spill Prevention and Response Plan (SPRP)?
El❑
Does the Plan include a Preventative Maintenance and Good Housekeeping Plan?
VE]
❑
❑
Does the facility provide and document Employee Training?
[i� ❑
❑
❑
Does the Plan include a list of Responsible Party(s)?
[� ❑
❑
❑
Is the Plan reviewed and updated annually?
2, ❑
❑
❑
Does the Plan include a Stormwater Facility Inspection Program?
[ (❑
❑
❑
Has the Stormwater Pollution Prevention Plan been implemented?
ir" ❑
❑
❑
Comment:
Yes No NA NE
Qualitative Monitoring P' ❑ ❑ ❑
Has the facility conducted its Qualitative Monitoring semi-annually? ❑ ❑ ❑
Comment:
Yes No
NA
NE
Analytical Monitoring
��
❑
❑
Has the facility conducted its Analytical monitoring?
❑
Has the facility conducted its Analytical monitoring from Vehicle Maintenance areas?
❑ ❑
N
IJ
Comment:
Yes No
NA
NE
Permit and Outfalls
Q/,❑
❑
❑
Is a copy of the Permit and the Certificate of Coverage available at the site?
E� ❑
❑
❑
Were all outfalls observed during the inspection?
❑ ❑
0,0
If the facility has representative outfall status; has it been documented by the Division?
❑ ❑
❑
Has the facility evaluated all illicit (non stormwater) discharges?
[� ❑
❑
❑
Comment:
�*Lf M

NCS Stormwater Questions for Facilities in BIMS
Stormwater Pollution Prevention Plan
Yes
No
NA
NE
Does the site have a Stormwater Pollution Prevention Plan?
❑
❑
❑
❑
Site Plan
1. Does the Plan include a General Location (USGS) map?
❑
❑
❑
❑
Facility location in relation to roads and surface waters. Includes: name of receiving stream or name of municipal
storm sewer system, and accurate lat. and long, of point of discharge. This helps the permittee to understand their
location with respect to receiving waters.
2. Does the Plan include a "Narrative Description of Practices"?
❑
1 ❑ I ❑
I ❑
Should cover storage practices, loading and unloading areas, outdoor process areas, dust or particulate generating
or control processes, and waste disposal practices, etc.
3. Does the Plan include a detailed site map including outfall locations and
❑
❑
❑
❑
drainage areas?
Should show
• Location of industrial activities (storage areas, disposal areas, process areas, unloading and loading areas)
• The drainage structures
• Drainage areas for each outfall and activities occurring in the drainage area
• Building locations
• Existing BMPs and impervious surfaces and the % of each drainage area that is impervious
• For each outfall, a narrative description of the potential pollutants which could be expected to be present in the
stormwater discharge.
This forces permittee to analyze the site with relation to stormwater discharges. It is also a tool for the inspector to
understand if the site has changed over time, i.e. if site map does not match facility they must update their plan.
4. Does the Plan include a list of significant spills occurring during the past 3
❑
❑
❑
❑
years?
Needs to include corrective actions that were taken. The permittee needs to know what the reportable quantities are
for wastewater, oil pollution, and SARA Title Ill.
5. Have stormwater outfalls been evaluated for the presence of non-stormwater
❑ ❑L
Eldischarges?
Signature required:
• Corporation - signed by Responsible Corporate Officer or assigned manager
• Partnership or Sole Proprietorship — General Partner or the Proprietor
• Municipality, Stale, Federal, or other public agency — either principal executive officer or ranking elected official
Comments:

NCS Stormwater Questions for Facilities in BIMS
Stormwater Management Plan
Yes
No
NA
NE
1. Has the facility evaluated feasible alternatives to current practices?
❑
❑
❑
❑
• Provide a review of the technical and economic feasibility of changing the methods of operations and/or
storage practices to eliminate or reduce exposure of materials and processes to stormwater.
• In areas where elimination of exposure is not practical, the stormwater management plan shall document the
feasibility of diverting the stormwater runoff away from areas of potential contamination.
2. Does the facility provide all necessary secondary containment? I ❑
I ❑
1 ❑
1 ❑
• Applies to liquid raw materials, manufactured products, waste materials, or by-products
• Single AST capacity > 660 gallons
• Multiple AS containers in close proximity to each other with a total combined capacity of > 1,320
• If connected to SW conveyance', controlled by manually activated valves or other similar devices? (Closed?)
• Collected water observed for color, foam, outfall staining, visible sheens, and dry weather flow prior to release
• Document individual making observation, description of water, date, and time of release (RR=5 yrs)
I
3. Does the Plan include a BMP summary? ❑
❑
❑
I ❑
Narrative description of BMPs to be considered including oil and grease separation, debris control, vegetative filter
strips, infiltration and stormwater detention or retention, where necessary.
• The need for structural BMPs shall be based on the assessment of potential sources to contribute significant
quantities of pollutants to stormwater discharges and data collected through monitoring of stormwater
discharges.
I
4. Does the Plan include a Spill Prevention and Response Plan (SPRP)?
❑
❑
❑
❑
• Assessment of potential pollutant sources based on materials inventory of the facility
• Facility personnel responsible for implementing the SPRP shall be identified
• Responsible person shall be on -site at all times during facility operations that have the potential to
contaminate stormwater runoff through spills or exposure of materials associated with the facility operations.
I
5. Does the Plan include a Preventative Maintenance and Good Housekeeping
❑
El
El
ElPlan?
• Document schedules of inspections and maintenance activities of stormwater control systems, plant
equipment and systems
• Inspect material handling areas
I
• Regular cleaning schedules of these areas
6. Does the facility provide and document Employee Training?
❑
❑
❑
❑
• Provide at a minimum, annual training for all personnel including: proper spill response, cleanup procedures,
preventative maintenance activities for all personnel involved in any of the facility's operations that have
the potential to contaminate stormwater runoff
• Develop training schedule and identify facility personnel responsible for implementing the training

NCS Stormwater Questions for Facilities in BIMS
Yes
No NA
NE
7. Does the Plan include a list of Responsible Parties?
❑
❑ I ❑
❑
Identify position responsible for the overall coordination, development, implementation, and revision of the SPPP
8. Is the Plan reviewed and updated annually?
1 ❑ 1
❑
I ❑ 1
❑
Have there been any changes to the design, construction, operation, or maintenance of the facility, which would have
a significant effect on the potential for the discharge of pollutants to surface waters? Does plan include changes?
9. Does the Plan include a Stormwater Facility Inspection Program?
1 ❑
❑
❑ ❑
• Inspect at a minimum semiannually once in Fall (Sept. -Nov) and once in Spring (Apr -June)
• Inspection and subsequent maintenance activities performed shall be documented
o Record date and time
o Individual performing inspection
o Narrative description of the stormwater outfall and plant equipment and systems
• Records should be incorporated into the SPPP
10. Has the Stormwater Pollution Prevention Plan been implemented?
❑ ❑
❑ ❑
Have they done what they said they were going to do and have they documented it. Examples include:
• Monitoring and measurements including sampling data
• Inspections
• Maintenance activities
• Training provided to employees
• Activities to implement BMPs associated with industrial activities including vehicle maintenance. (RR=S yrs)
Comments:
Qualitative Monitoring
Yes
No
NA
NE
1. Has the facility conducted its Qualitative Monitoring semi-annually?
❑
❑
❑
❑
Sampling in Spring (April -June) and Fall (September -November)
Color Odor Clarity Floating Solids
Suspended solids Foam Oil Sheen Other indicators
Comment:

NCS Stormwater Questions for Facilities in BIMS
Analytical Monitoring
Yes
No
NA
NE
1. Has the facility conducted its Analytical monitoring?
❑
❑
❑
❑
2. Has the facility conducted its Analytical monitoring from Vehicle Maintenance
areas?
❑
El
El
Comment:
Permit and Outfalls
Yes
No
NA
NE
1. Is a copy of the Permit and the Certificate of Coverage available at the site?
❑
-❑
❑
❑
2. Were all outfalls observed during the inspection?
❑
❑
❑
❑
3. If the facility has representative outfall status; has it been documented by the
Division?
❑
❑
❑
❑
4. Has the facility evaluated all illicit (non stormwater) discharges?
❑
❑
❑
❑
Comment:

.A7ii�'A
€ CDENR
North Carolina Department of Environment and Natural Resources
Division of Energy, Mineral and Land Resources
Land Quality Section
Tracy E. Davis, PE, CPM
Director
February 25, 2014
Mr. Steve Street
Corning Cable Systems
Post Office Box 489
Hickory, North Carolina 28603
Pat McCrory, Governor
John E. Skvarla, III, Secretary
Subject: Compliance Evaluation Inspection
Corning Cable Systems
NPDES Stormwater Permit NCG030246
Catawba County, North Carolina
Dear Mr. Street:
Enclosed please find a copy of the Compliance Evaluation Inspection Report for the inspection
conducted at the subject facility on February 05, 2014 by Mr. Ryan Korrnanik and Ms. Donna Hood,
of this Office.
During the inspection several options were discussed to help the facility with tiered monitoring
and responses. Those suggestions are listed in the summary section of the attached report.
The report should be self-explanatory; however should you have any questions concerning
this report, please do not hesitate to contact me or Ryan Kormanik at [phone] ext. 2149
or by email at [e-mail].
Sincerely,
Zahid S. Khan, CPM, CPESC, CPSWQ
Regional Engineer
Land Quality Section
Enclosure
Cc: Stormwater Permitting
DH
Mooresville Regional Office
610 East Center Avenue, Suite 301, Mooresville, North Carolina 28115
Telephone [phone] FAX [phone] - Internet: hfp://portal.nedenr.org/web/Ir/land-gualitytl-quality
An Equal Opportunity 1 Affirmative Action Employer— 50% Recycled 110% Post Consumer Paper

r
Compliance Inspection Report
Permit: NCG030246 Effective: 11/01/12 Expiration: 10/31/17 Owner: Corning Cable Systems LLC
SOC: Effective: Expiration: Facility: Corning Cable Systems LLC - Hickory
County: Catawba 1164 23rd St Se
Region: Mooresville
Hickory NC 28603
Contact Person: Steve Street Title: Phone: [phone]
Directions to Facility:
System Classifications:
Primary ORC: Certification: Phone:
Secondary ORC(s):
On -Site Representative(s):
Related Permits:
Inspection Date: 02105/2014 Entry Time: 09:15 AM Exit Time: 11:30 AM
Primary Inspector: Ryan C Kormanik Phone:
Secondary inspector(s):
Donna Hood Phone: [phone] Ext.2193
Reason for Inspection: Routine Inspection Type: Compliance Evaluation
Permit Inspection Type: Metal Fabrication Stormwater Discharge COC
Facility Status: ® Compliant ❑ Not Compliant
Question Areas:
® Storm Water
(See attachment summary)
Page: 1

Permit: NCGO30246 Owner - Facility: Corning Cable Systems LLC
Inspection Date: 02/05/2014 Inspection Type: Compliance Evaluation
Stormwater Pollution Prevention Plan
Does the site have a Stormwater Pollution Prevention Plan?
# Does the Plan include a General Location (USGS) map?
# Does the Plan include a "Narrative Description of Practices"?
# Does the Plan include a detailed site map including outfall locations and drainage areas?
# Does the Plan include a list of significant spills occurring during the past 3 years?
# Has the facility evaluated feasible alternatives to current practices?
# Does the facility provide all necessary secondary containment?
# Does the Plan include a BMP summary?
# Does the Plan include a Spill Prevention and Response Plan (SPRP)?
# Does the Plan include a Preventative Maintenance and Good Housekeeping Plan?
# Does the facility provide and document Employee Training?
# Does the Plan include a list of Responsible Party(s)?
# Is the Plan reviewed and updated annually?
# Does the Plan include a Stormwater Facility Inspection Program?
Has the Stormwater Pollution Prevention Plan been implemented?
Comment:
Qualitative Monitoring
Has the facility conducted its Qualitative Monitoring semi-annually?
Comment:
Analytical Monitoring
Has the facility conducted its Anaiytical monitoring?
# Has the facility conducted its Analytical monitoring from Vehicle Maintenance areas?
Comment:
Permit and Outfalls
# Is a copy of the Permit and the Certificate of Coverage available at the site?
# Were all outfalls observed during the inspection?
# If the facility has representative outfa?l status, is it properly documented by the Division?
# Has the facility evaluated all i0icit (non stormwater) discharges?
Comment:
Reason for Visit: Routine
Yes No NA NE
®nnn
® n n n
®nnn
®nnn
®nnn
®nnn
®nnn
Em n n n
®nnn
®nnn
® n n n
®nnn
®nnn
® n n n
® n n n
Yes No NA NE
® n n n
Yes No NA NE
®nnn
nn®n
Yes No NA NE
®nn❑
®nnn
n n ® n
®nnn
Page: 3

NCDENR
North Carolina Department of Environment and
Division of Energy, Mineral and Land
Land Quality Section
Tracy E. Davis, PE, CPM
Director
Mr. Steve Street
Corning Cable Systems
Post Office Box 489
Hickory, North Carolina 28603
Dear Mr. Street:
Natural Resources
Resources
February 24, 2014
Pat McCrory, Governor
John E. Skvarla, Ill, Secretary
Subject: Compliance Evaluation Inspection
Corning Cable Systems
NPDES Stormwater Permit NCG030246
Catawba County, North Carolina
Enclosed please find a copy of the Compliance Evaluation Inspection Report for the inspection
conducted at the subject facility on February 05, 2014 by Mr. Ryan Kormanik and Ms. Donna Hood
, of this Office.
During the inspection several options were discussed to help the facility with tiered monitoring
and responses. Those suggestions are listed in the summary section of the attached report.
The report should be self-explanatory; however should you have any questions concerning
this report, please do not hesitate to contact me at [phone] ext 2149 or by email at
[e-mail].
Sincerely,
Zahid S. Khan
Regional Engineer
Land Quality Section
Enclosure
Cc: Stormwater Permitting
DH
Mooresville Regional Office
610 East Center Avenue, Suite 301, Mooresville, North Carolina 28115
Telephone [phone] FAX: [phone] •Internet: http_llportal.ncdenr.orglwebllr/land-quality
An Equal Opportunity I Affirmative Action Employer — 50% Recycled 110% Post Consumer Paper

Compliance Inspection Report
Permit: NCG030246 Effective: 11/01/12 Expiration: 10/31/17 Owner: Corning Cable Systems LLC
SOC: Effective: Expiration: Facility: Corning Cable Systems LLC - Hickory
County: Catawba 1164 23rd St Se
Region: Mooresville
Hickory NC 28603
Contact Person: Steve Street Title: Phone: [phone]
Directions to Facility:
System Classifications:
Primary ORC: Certification: Phone:
Secondary ORC(s):
On -Site Representative(s):
Related Permits:
Inspection Date: 02/05/2014 Entry Time: 09:15 AM Exit Time: 11:30 AM
Primary Inspector: Ryan C Kormanik Phone:
Secondary Inspector(s):
Donna Hood4��Xlll
Phone: [phone] Ext.2193
Reason for Inspection: Routine Inspection Type: Compliance Evaluation
Permit Inspection Type: Metal Fabrication Stormwater Discharge COC
Facility Status: ■ Compliant ❑ Not Compliant
Question Areas:
Storm Water
(See attachment summary)
Page: 1

}
Permit: NCGO30246 Owner - Facility: Coming Cable Systems LLC
Inspection Date: 02/05/2014 Inspection Type: Compliance Evaluation Reason for Visit: Routine
Stormwater Pollution Prevention Plan Yes No NA NE
Does the site have a Stormwater Pollution Prevention Plan?
■
n
n n
# Does the Plan include a General Location (USGS) map?
■
n
n n
# Does the Plan include a "Narrative Description of Practices"?
■
n
n n
# Does the Plan include a detailed site map including outfall locations and drainage areas?
■
n
n
# Does the Plan include a list of significant spills occurring during the past 3 years?
■
n
n n
# Has the facility evaluated feasible alternatives to current practices?
■
n
n In
# Does the facility provide all necessary secondary containment?
■
In
n n
# Does the Pian include a BMP summary?
■
n
n n
# Does the Plan include a Spill Prevention and Response Plan (SPRP)?
■
n
n n
# Does the Plan include a Preventative Maintenance and Good Housekeeping Plan?
®n
n n
# Does the facility provide and document Employee Training?
■
n
# Does the Plan include a list of Responsible Party(s)?
■
n
In n
# Is the Plan reviewed and updated annually?
■
n
n n
# Does the Plan include a Stormwater Facility Inspection Program?
■
n
n n
Has the Stormwater Pollution Prevention Plan been implemented?
®
In
n n
Comment:
Qualitative Monitoring
Yes
No
NA
NE
Has the facility conducted its Qualitative Monitoring semi-annually?
■
n
n
n
Comment:
Analytical Monitoring
Yes
No
NA
NE
Has the facility conducted its Analytical monitoring?
■
n
n
n
# Has the facility conducted its Analytical monitoring from Vehicle Maintenance areas?
❑
❑
■
n
Comment:
Permit and Outfails
Yes
No
NA
NE
# Is a copy of the Permit and the Certificate of Coverage available at the site? ■ n n n
# Were all outfalls observed during the inspection? ■ n n n
# If the facility has representative outfall status, is it properly documented by the Division? n n 0 n
# Has the facility evaluated all illicit (non stormwater) discharges? ■ n n n
Comment:
Page: 3

RTYWA
NC®ENR
North Carolina Department of Environment and Natural Resources
Pat McCrory
Governor
Mr. Stephen Street
Corning Optical Communications, LLC
P.Q. Box 489
Hickory, NC 28603
Dear Mr. Street:
John E. Skvarla, III
Secretary
April 17, 2014
Cubject: NPDES General Permit NCG030000
Corning Optical Communications, LLC
j Y 2 b Z014 Formerly Corning Cable Systems
C:EWRAL FILES Certificate of Coverage NCG030246
DWQISQG Catawba County
Division personnel received your request to revise your stormwater permit Certificate of
Coverage to accurately reflect your new company and/or facility name.
Please find enclosed the revised Certificate of Coverage. The terms and conditions contained
in the General Permit remain unchanged and in full effect. This revised Certificate of Coverage
is issued under the requirements of North Carolina General Statutes 143-215.1 and the
Memorandum of Agreement between North Carolina and the U.S. Environmental Protection
Agency.
If you have any questions or need further information, please contact the Stormwater
Permitting Program at [phone].
Sincerely,
for 'Tracy E. Davis, P.E., CPM, Director
Division of Energy, Mineral and Land Resources
cc: Mooresville Regional Office, Z. Khan
Stormwater Permitting Program Files
Central Files
Division of Energy, Mineral, and Land Resources
Energy Section - Geological Survey Section - Land Quality Section
1612 Mail Service Center, Raleigh, North Carolina 27699-1612.919-707-92001 FAX: [phone]
512 North Salisbury Street, Raleigh, North Carolina 27604 • Internet: http:Ilportal.ncdenr.org/web/Ir/
An Equal Opportunity 1 Affirmative Action Employer -- 50% Recycled 110% Post Consumer Paper

1
STATE OF NORTH CAROLINA
DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES
DIVISION OF ENERGY, MINERAL, AND LAND RESOURCES
GENERAL PERMIT NO. NCGO30000
CERTIFICATE OF COVERAGE No. NCG030246
STORMWATER DISCHARGES
NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM
In compliance with the provision of North Carolina General Statute 143-215.1, other lawful
standards and regulations promulgated and adopted by the North Carolina Environmental
Management Commission, and the Federal Water Pollution Control Act, as amended,
Corning Optical Communications LLC
is hereby authorized to discharge stormwater from a facility located at
Hickory Manufacturing and Technology Center
1164 23`d St SE
Hickory
Catawba County
to receiving waters designated as unnamed tributary to Clark Creek, a class C water in the
Catawba River Basin, in accordance with the effluent limitations, monitoring requirements, and
other conditions set forth in Parts I, II, III, and IV of General Permit No. NCG030000 as
attached.
This certificate of coverage shall become effective April 17, 2014.
This Certificate of Coverage shall remain in effect for the duration of the General Permit.
Signed this day April 17, 2014
x�? jze-.'
for Tracy E. Davis, P.E., Director
Division of Energy, Mineral, and Land Resources
By the Authority of the Environmental Management Commission

•.a
CORNINGSteve Street Hickory Senor Environmental, Health Technology Center'ng and f 828-901-5665
and Safety Coordinator PO Box 489 [e-mail]
Hickory, NC 28603 www.corning,corn
February 27th 2014
Division of Water Quality
Surface Water Protection Section
1617 Mail Service Center
Raleigh, NC 27699-1617
RE: Facility Name Change
To Whom It May Concern:
iR@F---Cr-5339��
FM--
AR �l i{114
The purpose of this letter is to provide formal notification of the facility's name being
changed from Corning Cable Systems — HMTC to Corning Optical Communications --
HMTC. No additional change which would affect the stormwater permit has occurred at the
facility. Enclosed is the permit name change form required by NCDENR.
Please feel free to contact me if you have any questions at [phone].
Sincerely,
Stephen L Street
Sr. Environmental, Health, and Safety Coordinator
attachments

76 : Division of Water Quality / Surface Water Protection
• r
National Pollutant Discharge Elimination System
NCDENR
"°""C"°Dum'""`"' EPERMIT NAME/OWNERSHIP CHANGE FORM
MVIIIW ML"f WD .RArUR.SL RE10lNiCL4
FOR AGENCY USE ONLY
Date Received
Year
Month
Da
I. Please enter the permit number for which the change is requested.
NPDES Permit
(or) Certificate of Coverage
N
10
IN
16
1
1
1
10
10
1 0
L3
1012
4
6
11. Permit status prior to requested change.
a. Permit issued to (company name):
Corning Cable Systems
b. Person legally responsible for permit:
Trace-y W
Horton
First MI
Last
Plant Manager
Title
PO Box 489
Permit Holder Mailing Address
Hickory NC
28603
City State
Zip
[phone] (828)
901-5665
Phone
Fax
c. Facility name (discharge):
Hickory Manufacturing and Technology Center
d. Facility address:
H 64 23r St SE
Address
Hickory NC
28602
City State
Zip
e. Facility contact person:
Steve L Street (828)
901-6695
First / Ml / Last
Phone
111. Please provide the following for the requested change (revised permit).
a. Request for change is a result of: ❑ Change in ownership of the facility
® Name change of the facility or owner
If other please explain:
b.
Permit issued to (company name):
Coming
Optical Communications LLC
c.
Person legally responsible for permit:
Tracey
W Horton
First
MI Last
Plant Manager V/
Title
PO Box 489
Permit Holder Mailing Address
Hickory
NC 28603
City
State Zip
[phone]
[e-mail]
Phone
E-mail Address
d.
Facility name (discharge):
Hickory Manufacturing
and Technology Center
e.
Facility address:
T^�
T1164 23`rd St SE
Address
T Hickory
NC 28602
City
State Zip
£
Facility contact person:
Steve
L Street
First
MI Last
[phone]
steve.streetacorning.com
Phone
E-mail Address
Revised 2012Apr23

NPDES PERMIT NAME/OWNERSHIP CHANGE FORM
r .,Page 2 of 2
IV. Permit contact information (if different from the person legally responsible for the permit)
Permit contact: Steve L Street
First Ml Last
Senior EHS Coordinator
Title
PO Box 489
Mailing Address
Hickory NC 28603
City State Zip
828) 901-6695 [e-mail]
Phone E-mail Address
V. Will the permitted facility continue to conduct the same industrial activities conducted prior
to this ownership or name change?
0 Yes
❑ No (please explain)
VI Required Items: THIS APPLICATION WILL BE RETURNED UNPROCESSED IF ITEMS
ARE INCOMPLETE OR MISSING:
XThis completed application is required for both name change and/or ownership change
requests.
❑ Legal documentation of the transfer of ownership (such as relevant pages of a contract deed,
or a bill of sale) is required for an ownership change request. Articles of incorporation are
not sufficient for an ownership change.
The certifications below must be completed and signed by both the permit holder prior to the change, and
the new applicant in the case of an ownership change request. For a name change request, the signed
Applicant's Certification is sufficient.
PERMITTEE CERTIFICATION (Permit holder prior to ownership change):
1, , attest that this application for a name/ownership change has been reviewed and is accurate and
complete to the best of my knowledge. I understand that if all required parts of this application are not
completed and that if all required supporting information is not included, this application package will be
returned as incomplete.
Signature
APPLICANT CERTIFICATION
Date
I, , attest that this application for a name/ownership change has been reviewed and is accurate and
complete to the best of my Knowledge. I understand that if all required parts of this application are not
completed and that if all required supporting information is not included, this application package will be
returned s incomplete.
Signature Date
PLEASE SEND THE COMPLETE APPLICATION PACKAGE TO:
Division of Water Quality
Surface Water Protection Section
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
Revised 712W8

.4
I
CORNING
June 12, 2014
Steve Street
Sr. EHS Coordinator
Division of Water Quality
Attn: DWQ Central Files
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
Dear Sir/Madam:
Hickory Manufacturing and
Technology Center
PO Box 489
Hickory, NC 28603
t 828-901.6695
f828-901-5665
Steve. street@corning, corn
www.corning.com
Please find enclosed an original and one (1) copy of the Stormwater Discharge Monitoring
Report (DMR) for Corning Optical Communications, LLC — Hickory Manufacturing and
Technology Center (HMTC) located in Hickory, Catawba County, North Carolina. The
stormwater samples were collected on 4/25/2014 for all permitted outfails and represent the
monthly sample as specified in the Tier II requirements of HMTC's stormwater permit.
The results are mixed and reflect HMTC to be within the benchmark value for most permitted
parameters; however, the following benchmark parameters were exceeded:
• TSS at SDO #2 and SDO #3
• Capper at SDO #1, SDO #2, and SDO #3
• Zinc at each permitted outfall with the exception of SDO #6
Additional attachments include the Laboratory Analytical Report, Chain -of -Custody, and the
Qualitative Monitoring Report.
Please contact me if you have any questions at 828-901-6695.
Sincerely,
z
c
rn
Stephen L Street
Senior Environmental, Health and Safety Coordinator
U1.) r
C
�.
attachments
z
4

Semi-annual Stormwater Discharge Monitoring Report
for North Carolina Division of Water Quality General Permit No. NCG030000
}� r Date submitted: fi 12 2014
C L_J_ UD U c>( K)
CERTIFICATE OF COVERAGE NO. NCG030000
FACILITY NAME: Hickory Manufacturing and Technology Center
COUNTY: Catawba ^
PERSON COLLECTING SAMPLES: Steve Street
LABORATORY: Water Tech Labs Lab Cert. # 50
Comments on sample collection or analysis:
Part A: Stormwater Benchmarks and Monitoring Results
SAMPLE COLLECTION YEAR: 2014
SAMPLE PERIOD ❑ Jan -June ❑ July -Dec
or ® Monthly" - April
DISCHARGING TO CLASS ❑ORW ❑HQW []Trout ❑PNA
❑Zero -flaw ❑Water Supply ❑SA
[—]Other
PLEASE REMEMBER TO SIGN ON PAGES 2 AND/OR 3 4
No discharge this period:
Outfall No.
Date Sample
Collected"
(mo/dd/yr)
24-hour rainfall
amount,
Inches
Total Suspended Solids
pH.
Standard units
Copper
Lead
Zinc
Non -Polar O&G/
Total Petroleum
Hydrocarbons
Total Toxic
Organics
Benchmarks =__>
-
-
100 mg/L or 50 mg/L
6.0 — 9.0
0.007 mg/L
0.03 mg/L
0.067 mg/L
15 mg/L
1 mg/L
1
4/25/14
.5"
48 mg/l
7.16
.019 mg/1
.015 mg/l
.596 mg/l
<5.6 mg/l
N/A
2
4/25/14
.5"
138 mg/1
6.89
.D43 mg/l
.018 mg/1
.590 mg/l
<5.6 mg/1
N/A
3
4/25/14
.5"
168 mg/1
7.36
.037 mg/1
.017 mg/l
1.19 mg/l
<5.6 mg/l
N/A
5
4/25/14
.5"
11.3 mg/l
6.85
.006 mg/l
<.003 mg/l
.242 mg/l
<5.6 mg/1
N/A
6
4/25/14
.51,
9.0 mg/l
7.13
.003 mg/1
<.003 mg/l
.063 mg/l
<5.6 mg/l
N/A
7
4/25/14
1 .5"
125.0 mg/l
7.13
.003 mg/l
1 <.003 mg/l
.085 mg/1
<5.6 mg/l J
N/A
1 Monthly sampling (instead of semi-annual) must begin with the second consecutive benchmark exceedance for the same parameter at the same outfall.
Z For sampling periods with no discharge at any single outfall, you must still submit this discharge monitoring report with a checkmark here.
3 The total precipitation must be recorded using data from an on -site rain gauge. Unattended sites may be eligible for a waiver of the rain gauge requirement.
4 See General Permit, Table 3 identifying the especially sensitive receiving water classifications where the more protective benchmark applies.
5 Total Toxic Organics sampling is applicable only for those facilities which perform metal finishing operations, manufacture semiconductors, manufacture
electronic crystals, or manufacture cathode ray tubes. For purposes of this permit the definition of Total Toxic Organics is that definition contained in the EPA
Effluent Guidelines for the facility subject to the requirement to sample (for metal finishing use the definition as found in 40 CFR 433.11; for semiconductor
manufacture use the definition as found in 40 CFR 469.12; for electronic crystal manufacture use the definition as found in 40 CFR 469.22; and for cathode ray
tube manufacture use the definition found in 40 CFR 469.31).
Permit Date: 11/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 1 of 3

Facilities that incorporate a solvent management plan into the Stormwater Pollution Prevention Plan may so certify, and the requirement for TTO monitoring
may be waived. The solvent management plan shall include a list of the total toxic organic compounds used and the other elements listed in the General
Permit. For those facilities electing to employ the TTO monitoring waiver, the discharger shall sign the following certification statement:
"Based upon my inquiry of the person or persons directly responsible for managing compliance with the permit monitoring requirement for total toxic organics
(TTO), I certify that to the best of my knowledge and belief, no dumping of concentrated toxic organics into the stormwater or areas which are exposed to rainfall or
Stormwater runoff has occurred since filing the last discharge monitoring report. I further certify that this facility is implementing the all the provisions of the
solvent management plan included in the Stormwater Pollution Prevention Plan."
N/A
Name (Print name)
Title (Print title)
(Signature)
(Date)
Note: Results must be reported in numerical format. Do not report Below Detection Limit, BDL, <PQL, Non -detect, ND, or other similar non -numerical
format. When results are below the applicable limits, they must be reported in the format "<XX m L" where XX is the numerical value of the detection
limit, reporting limit, etc. in mg/L.
Note: if you report a sample value in excess of the benchmark, you must implement rer 1, Trer 2, or Tier 3 responses. See General Permit text.
Part B: Vehicle Maintenance Area Monitoring Results: only for facilities averaging > 55 gal of new oil per month.
❑ No discharge this period?2
Outfall No.
Date Sample
Collected
(mo/dd/yr)
24-hour rainfall
amount,
Inches3
Non -polar O&G/TPH by
EPA 1664 (SGT-HEM)
Total Suspended Solids
pH
Benchmarks
15 mg/L
100 mg/L or 50 mg/L*
6.0 — 9.0 SU
N/A
N/A
N/A
N/A
N/A
N/A
Footnotes from Part A also apply to this Part B
* See General Permit text, Table 5, identifying the especially sensitive receiving water classifications where the more protective benchmark applies.
Permit Date: 11/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 2 of 3

Note. if you report a sample value in excess of the benchmark, you must implement Ter 1, Tier 2, or Tier 3 responses. See General Permit text.
FOR PART A AND PART B MONITORING RESULTS:
• A BENCHMARK EXCEEDANCE TRIGGERS TIER 1 REQUIREMENTS. SEE PERMIT PART II SECTION B.
• 2 EXCEEDANCES IN A ROW FOR THE SAME PARAMETER AT THE SAME OUTFALL TRIGGER TIER 2 REQUIREMENTS. SEE PERMIT PART II SECTION B.
• TIER 3. HAS YOUR FACILITY HAD 4 OR MORE BENCHMARK EXCEEDENCES FOR THE SAME PARAMETER AT ANY ONE OUTFALL? YES ® NO❑
IF YES, HAVE YOU CONTACTED THE DWQ REGIONAL OFFICE? YES NO ❑
REGIONAL OFFICE CONTACT NAME: Letter sent to Mr. Mike Parker on May 7`
Mail an oriainal and one coov of this DMR includina all "No Discharae" reports. within 30 days of receipt of the lab results for at end of monitorina period
in the case of "No Discharge" reports) to.
Division of Water Quality
Attn: DWQ Central Files
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
YOU MUST SIGN THIS CERTIFICATION FOR ANY INFORMATION REPORTED:
"I certify, under penalty of law, that this document and all attachments were prepared under my direction or supervision in accordance with a system designed to
assure that qualified personnel properly gather and evaluate the information submitted. Based on my inquiry of the person or persons who manage the system, or
those persons directly responsible for gathering the information, the information submitted is, to the best of my knowledge and belief, true, accurate, and complete.
am aware that t e�are significant penalties for submitting false information, including the possibility of fines and imprisonment for knowing violations."
(Signature of Permittee) (Date)
Permit Date: 11/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 3 of 3

IMTERiTECH U1115inc.
POST OFFICE BOX 1056 • #15 PINEWOOD PLAZA DR.
GRANITE FALLS, NORTH CAROLINA 28630
[phone]
SAMPLE: Corning Optical (001) COLLECTION DATE: 4/25/2014
PERMIT #: COLLECTION TIME: 15:23
ADDRESS: Corning Optical RECEIVED DATE: 4/25/2014
P.O. SOX 489 RECEIVED TIME: 16:50
Hickory, NC 28603-0489
REPORTED: 5/22/2014
ANALYSIS
ANALYSIS
RESULTS
UNITS
DATE
ANALYST
Lead
0.015
mglL
512114
TSS
48.0
mglL
4129114
jrg
Copper
0.019
mglL
512114
Zinc
0.596
mglL
512114
Oil & Grease
<5.6
mg/L
4/28/14
jdg
LOG ID: 1404-484 REPOWI'ED BY: NCCERTIFIEDLAB # 50
fol��' � 4
`Pony Gragg, Lab Supervisor

wjvrER6rEcH LASS.Inc.
POST OFFICE BOX 1056 • #5 PINEWOOD PLAZA DR.
GRANITE FALLS, NORTH CAROLINA 28630
[phone]
SAMPLE: Corning Optical (002) COLLECTION DATE: 4/25/2014
PERMIT #: COLLECTION TIME: 15:14
ADDRESS: Corning Optical RECEIVED DATE: 4/25/2014
P.O. Box 489 RECEIVED TIME: 16:50
Hickory, NC 28603-0489
REPORTED: 5/22/2014
--__� ANALYSIS
ANALYSIS RESULTS UNITS DATE ANALYST
Lead 0.018 mg1L 512114
TSS 138 mg1L 4129/14 jrg
Copper 0.043 mg1L 512114
Zinc 0.590 mg1L 5/2/14
Oil & Grease <5.6 mg1L 4/28114 jdg
LOG ID: 1404-485 REPORTED BY: NCCERTIFIEDLAB # 50
Tony Gragg, Lab Supervisor

1dHTER6rEEH LORSInc.
POST OFFICE BOX 1056 • #5 PINEWOOD PLAZA DR.
GRANITE FALLS, NORTH CAROLINA 28630
[phone]
SAMPLE: Corning Optical (003) COLLECTION DATE: 4/25/2014
PERMIT #: COLLECTION TIME: 15:18
ADDRESS: Corning Optical RECEIVED DATE: 4/25/2014
P.O. Box 489 RECEIVED TIME: 16:50
Hickory, NC 28603-0489
REPORTED: 5/22/2014
--� ----i- -�. ANALYSIS
ANALYSIS RESULTS UNITS DATE ANALYST
Lead 0.017 mg1L 512114
TSS 168 mg/L 4/29/14 jrg
Copper 0.037 mg1L 512114
Zinc 1.19 mg/L 5014
Oil & Grease <5.6 mg1L 4/28/14 jdg
LOG ID: 1404-486 REPORTED BY: NC CERTII=IED LAB # 50
fe�
Tony Cragg, Lab Supervisor

1dR rIER4rECH t17e5ln..
POST OFFICE BOX 1056 • #5 PINEWOOD PLAZA DR.
GRANITE FALLS, NORTH CAROLINA 28630
[phone]
SAMPLE: Corning Optical (005) COLLECTION DATE:
4/25/2014
PERMIT #: COLLECTION TIME:
15:43
ADDRESS: Corning Optical RECEIVED DATE:
4/25/2014
P.O. Box 489
RECEIVED TIME:
16:50
Hickory, NC 28603-0489
REPORTED:
5/22/2014
ANALYSIS
ANALYSIS RESULTS UNITS DATE ANALYST
Lead <0.003 mglL 512114
TSS 11.3 mg1L 4129/14 jrg
Copper U06 mglL 512114
Zinc 0.242 mg/1- 5/2/14
Oil & Grease <5.6 mglL 4/28/14 jdg
LOG 1D: 1404-487
REPORTED BY: NC CERTIFIED LAB # 50
S 60"
"Pony Gragg, Lab Supervisor

idinERi ECH LONS.Inc.
6
POST OFFICE BOX 1056 • #5 PINEWOOD PLAZA OR,
GRANITE FALLS, NORTH CAROLINA 28630
[phone]
SAMPLE: Corning Optical (006) COLLECTION DATE:
4/25/2014
PERMIT #: COLLECTION TIME:
15:36
ADDRESS: Corning Optical RECEIVED DATE:
4/25/2014
P.O. Box 489
RECEIVED TIME:
16:50
Hickory, NC 28603-0489
REPORTED:
5/22/2014
r---
v�
ANAL YSI S
i ANALYSIS
RESULTS
UNITS
DATE ANALYST
Lead
<0.003
mg/L
512114
TSS
9.0
mg/L
4129114 irg
Copper
0.003
mg/L
5I2114
Zinc
0.063
mg/L
512114
Oil & Grease
<5.6
mg/L
4128114 jdg
I- -
�1I
LOG ID: 1404-488 REPORTED BY: NC CERTIFIED LAB # 50
fvl�
Tony Gragg, Lab Supervisor

L
1dRTER4TECH L#w8s,Inc.
POST OFFICE BOX 1056 • #5 PINEWOOD PLAZA DR.
GRANITE FALLS, NORTH CAROLINA 28630
[phone]
SAMPLE: Corning Optical (007)
PERMIT #:
ADDRESS: Corning Optical
P.O. Box 489
Hickory, NC 28603-0489
COLLECTION DATE:
4/25/2014
COLLECTION TIME:
15:29
RECEIVED DATE:
4/25/2014
RECEIVED TIME:
16:50
REPORTED:
5/22/2014
ANALYSIS
f ANALYSIS
RESULTS
UNITS
DATE
ANALYST
Lead
<0.003
mg1L
5/2114
TSS
25.0
mg1L
4I29114
irg
Copper
0.003
mg/L
512114
Zinc
0.085
mg1L
512114
Oil & Grease
<5.6
mg1L
4/28114
jdg
LOG ID: 1404-489
REPORTED BY: NC CERTIFIED LAB # 50
fb�
'Pony Gragg, Lab Supervisor

RESEARCh & ANALyTICAI
LABORATORIES, INC.
Analytical/Process Consultations
Water Tech Labs. Inc.
P.O. Box 1056
Granite Falls, NC 28630
Attn: Jae Gragg
Date Sample Collected
Date Sample Received
Date Sample Analyzed
Date of Report
Analyses Performed by
Lab Sample Number
--------------------
784380
Parameter Storet 4 Results
Copper,Tot (01042) 0.019 mg/1
Lead,Tot (01051) 0.015 mg/1
Zinc,Tot (01092) 0.596 mg/l
--------------------
Clients Sample Source CORNING CABLE 001
Number
Time Collected (Hrs) 1523
04/25/14
05/02/14
05/02/14
05/16/14
AA
P 0. Box 473 • 106 Short Street • Kernersville, North Carolina 27284 • 336-99S-2B41 • Fax [phone]
www,randalabs.com

RESEARCh & ANA[yTICAL
LABORATORIES, INC.
Analytical/Process Consultations
water Tech Labs. Inc.
P.O. Box 1056
Granite Falls, NC 28630
Attn: Joe Gragg
Date Sample Collected
Date Sample Received
Date Sample Analyzed
Date of Report
Analyses Performed by
Lab Sample Number
--------------------
784281
Parameter Storet 4 Results
Copper,Tot
(01042)
0.043 mg/1
Lead,Tot
(01051)
0.018 mg/1'
Zinc,Tot
(01092)
0.590 mg/l
--------------------
Clients Sample Source CORNING CABLE 002
Number
Time Collected (Hrs) 1514
04/25/14
05/02/14
05/02/14
05/16/14
AA
P.Q. Box 473 • 106 Short Street • Kernersville, North Carolina 27284 • 336-996-2841 • Fax [phone]
www randalabs.com

RESEARch & ANA1yTICAL
' LABORATORIES, INC.
Analytical/Process Consultations
Water Tech Labs. Inc.
P.O. Box 1056
Granite Falls, NC 28630
Attn: Joe Gragg
Date Sample Collected
Date Sample Received
Date Sample Analyzed
Date of Report
Analyses Performed by
oSIt111191"i*r
10
' `� NC #34 i; cn
r �
w r
c
►►►►91c"
'44; ' PIED MOO' `��
04/25/14
05/02/14
05/02/14
05/16/14
AA
Lab Sample Number
--------------------
764382
-------------------------------------------------------------------------------
Parameter Storet # Results
Copper,Tot (01042) 0.037 mg/1
Lead,Tot (01051) 0.017 mg/1
Zinc,Tot (01092) 1.19 mg/1
--------------------
Clients Sample Source CORNING CABLE 003
Number
Time Collected (Hrs) 1518
P.O. Box 2173 • 106 Short Street • Kernersville, North Carolina 27284 • 336-99S-2841 • Fax [phone]
www.randalabs.com

I I Igo qt+
RESEARCh & ANA[yTICAL .•`��c,��. ' rr�
r LAbORATWES, INC. ; `` 'cc
'���
y � ? O•L f�7 r
:;p D
NCim z =
AnalyticallProcess Consultations
goo 0
!PIE D
'r"81111III65
Water Tech Labs. Inc. Date Sample Collected 04/25/14
P.O. Box 1056 Date Sample Received 05/02/14
Granite Falls, NC 28630 Date Sample Analyzed 05/02/14
Attn: Joe Gragg Date of Report 05/16/14
Analyses Performed by AA
Lab Sample Number
--------------------
784383
Parameter Storet # Results
Copper,Tot (01042) 0.006 mg/l
Lead,Tot (01051) c0.003 mg/1
Zinc,Tot (01092) 0.242 mg/l
--------------------
Clients Sample Source CORNING CABLE 005
Number
Time Collected (Hrs) 1543
P.O. Box 473 • 106 Short Street • Kernersvllle, North Carolina P7284 • 336-996-2841 • Fax [phone]
www.randalabs.com

RESEARCh & ANA[yTICAL
LABORATORIES, INC.
Analytical/Process Consultations
water Tech Labs. Inc.
P.O. Box .1056
Granite Falls, NC 28630
Attn: Joe Gragg
Date Sample Collected
Date Sample Received
Date Sample Analyzed
Date of Report
Analyses Performed by
04/25/14
05/02/14
05/02/14
05/16/14
AA
Lab Sample Number
--------------------
784384
-------------------------------------------------------------------------------
Parameter Storet # Results
Copper,Tot (01042) 0,003 mg/1
Lead,Tot (01051) c0.003 mg/l
Zinc,Tot (01092) 0.063 mg/l
--------------------
Clients Sample Source CORNING CABLE 006
Number
Time Collected (Hrs) 1536
PC. Box 473 • 106 Short Street • Kernersville, North Carolina 27284 • 336-995-2841 • Fax 336-996-C326
www randalabs,com

.�"%I$II1Iof,,,
RESEARCh & ANA1yTICA1 .�'��*�+� rr�
LAI]ORATORIES, INC.Ci
NCB °:-
twoz'
Analytical/Process Consultations
AtA
Water Tech Labs. Inc. Date Sample collected : 04/25/14
P.O. Box 1056 Date Sample Received : 05/02/14
Granite Falls, NC 28630 Date Sample Analyzed : 05/02/14
Attn: Joe Gragg Date of Report : 05/16/14
Analyses Performed by : AA
Lab Sample Number
--------------------
784385
Parameter Storet # Results
Copper,Tot (01042) 0.003 mg/l
Lead,Tot (01051) <0.003 mg/1
Zinc,Tot (01092) 0.085 mg/l
--------------------
Clients Sample Source CORNING CABLE 007
Number
Time Collected (Hrs) 1529
P.Q. Bax 472 • 106 Short Street • Kernersville, Ncrth Carolina 27284 • 336-996-2841 • Fax [phone]
www.randalabs.com

LAB
, Wv, � Ar-, \��_ T I - E V E � -jSl) 11tiric,
5 Pinewood Plaza Drive - P.O. Box 1056
Granite Falls, NC 28630
Phone [phone] - Fax [phone]
CLIENT: Corning Cable Systems-TC Pit PHONE NUMBER: 828-327-5000
c/o Steve Street TYPE SAMPLE: Stormwater
P.O Box 489 No. LOCATIONS: 6
Hickory, NC 28603-0489 SAMPLER NAME:
Sample Collection Information
TYPE
CONTAINERS
ANALYSIS REQUIRED
Sample Location
Facility. Name
DATE
TIME
TEMP°C
Grab/
Composite
No
Plastic/
Glass
Discharge 001
���,(�
fff I T
3 ��3
Grab
3
GlaPlasss/
TSS, Oil & Gr., Lead, Copper, Zinc
Discharge 002
/'xS) `I
/�, �,l
Grab
3
Glass Plastic/
TSS, Oil & Gr., Lead, Copper, Zinc
Discharge 003
[
`ttl�y��
Grab
3
PlasGlass/
TSS, Oil & Gr., Lead, Copper, Zinc
Discharge 005
q 2
13 q3
Grab
3
Plastic/
Glass
TSS, Oil & Gr., Lead, Copper, Zinc
Discharge 006/„�
f ll
1117
/$,t
Grab
3
Glass/
TSS, Oil & Gr., Lead, Copper Zinc
Discharge 00'
4(;51Jq
/ �.1 �'
Grab
3
Plastic/
Glass
TSS, Oil & Gr., Lead, Copper, Zinc
5 Raa�
2s
S'' 1
(sra�
Cu 2n
Cu Zn
Relinquished By:
Date:
Time:
Recieved By;
Date:
Time:
Relinquish d By,
Date:
Time:
Receive y:
Date:
Time:
PRESERVATION. -
Cool 4°C
[] H2SO4
j] NaOH
(] HNO3
[] Dechlornating Agent
j] Other
SAMPLE TEMP. @ LAB (°C) ? Y
Chlorine Residual rng/l

Akjv��Ww
NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
For guidance on filling out this form, please visit: http: //portal.ncdenr.org/web/wQ/ws/su/nndessw#tab-4
Permit No.: or Certificate of Coverage No.:
Facility Name: Hick Manufacturing and Technology enter - Corning Optical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Steve Street
Date of Inspection: 4125114
Time of Inspection: 3:23 pm
Total Event Precipitation (inches):5"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
® Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event' is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature, I certify that this report is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
Pagel of 2
SWU-242, Last modified 10/25/2012

1. Outfall Description:
Outfall No. 001 Structure (pipe, ditch, etc.) Pine
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: Reel storage, solid
waste,eontai,n;crs designated for landfill, haxardogs, waste storage. and R&D building.
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Color was clear.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
1 n2 3 4 5
5. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
Q1 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
1 0 3 4 5
7. Is there any foam in the stormwater discharge? Yes No
8. is there an oil sheen in the stormwater discharge? Yes H
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of stormwater Pollution: one
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
Page 2 of 2
5WU-242, Last modified 10/25/2012

X-V WA
NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
For guidance on filling out this form, please visit: h!WIli2ortal.ncdenr.org/web/­wg/ws/su/`npdessw#tab-A
jportal.ncdenr.org/web%wg/ws/su/`npdessw#tab-4
Permit No.: or Certificate of Coverage No.:
Facility [tame: Hick Manufacturing and Technology enter - Corning Optical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Steve Street
Date of Inspection: 4125114
Time of Inspection: :14 pm
Total Event Precipitation (inches): S"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
® Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
--... .......... --------------- .... --------_
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
i
i
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature, I certify that this report is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
Paget of 2
SWU-242, Last modified 10/25/2012

1. Outfall Description:
Outfall No. 002 Structure (pipe, ditch, etc.) Pine
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: Solid waste containers
designated for landfill, metal recycling container, and chemical stoarage area (covered).
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Dingy with light brown color.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odors were -present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
1 2 4 5
5. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
0 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
1 2 n 4 5
7. Is there any foam in the stormwater discharge? Yes H
8. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
Page 2 of 2
SWU-242, Last modified 10/25/2012

A�
NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
For guidance on filling out this form, please visit: http:l/pQrtaluledenr.org/web/wqlws/su/npdessw#tab-4
Permit No.: or Certificate of Coverage No.:
Facility Name: Hick Manufacturing and Technology Center - Corning Optical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Steve Street
Date of Inspection: 4125114
Time of Inspection: 3:18 pm
Total Event Precipitation (inches):.5"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
® Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature, I certify that this report is accurate/and complete to the best of my knowledge:
(Signature of Permittee or Designee)
Pagel of 2
SWU-242, last madified 10/25/2012

1. Outfall Description:
Outfall No. Q Structure (pipe, ditch, etc.) Pipe
Receiving Stream: ClarWs Creek
Describe the industrial activities that occur within the outfali drainage area: Reel storage, machine
shop, and warehouse.
2. Color: Describe the color of the discharge,using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Dingy with light brown color.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
1 3 4 S
S. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids;
Q 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
1 0 3 4 5
7. Is there any foam in the stormwater discharge? Yes N�
B. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: one
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
Page 2 of 2
sWU-242, Last modified 10/25/2012

� h
NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
For guidance on filling out this form, please visit: littp://portal.ncdenr.org/vcb/.w.g/ws/sulnpdessw#tab-4
Permit No.: or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and Technology Center - Corning Optical Communications
County: Catawba Phone No.: 828-901-669S
Inspector: Steve Street
Date of Inspection: 4125114
Time of Inspection: 3:20 pm
Total Event Precipitation (inches):
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
© Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature, I certify that is report is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
Paget of 2
SWU-242, Last modified 10/25/2012

1. Outfall Description:
Outfall No. 004 Structure (pipe, ditch, etc.) Pine
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: No industrial activities,
only a warehouse.
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Color was clear.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
1 02 3 4 5
S. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
Q 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
Q 2 3 4 5
7. Is there any foam in the stormwater discharge? Yes No
8. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
Page 2 of 2
SWU-242, Last modified 10/25/2012

NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
For guidance on filling out this form, please visit. bttp:/Zportal.ncdenr,org/web/wq/ws/su/npdessw#tab-4
Permit No.: N/C/ 0//0/U/0/Q/0/ or Certificate of Coverage No.: N/C/G/_/_/_/_/_/_/
Facility Name: Hickory Manufacturing and Tech to Center — Corning Optical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Steve Street
Date of Inspection: 4125114
Time of Inspection: 3:43 pm
Total Event Precipitation (inches):.5"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
® Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event' is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature, I certify that t 's report is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
Pagel of 2
SWU-242,1ast modified 10/25/2012

1. Outfall Description:
Outfall No. Q Structure (pipe, ditch, etc.) Pipe
Receiving Stream: Clark's Cree
Describe the industrial activities that occur within the outfall drainage area: Manufacture of fiber
optic cable and warehouse.
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Color was clear.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
2 3 4 5
S. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
Q 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
0 2 3 4 5
7. Is there any foam in the stormwater discharge? 0 No
8. Is there an oil sheen in the stormwater discharge? Yes N�o
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe: Foaming at the outfall was minimal and appeared to be from aeration occurring,
when the water discharged from the outfall.
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
Page 2 of 2
SWU-242, Last modified 10/25/2012

NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
Forguidonce on filling out this form, please visit: httR//oortal.ncdenr,org/web/wqf ws/su jnpde5sw#tab-4
Permit No.: N/C/ 0/ 3/Q/Q/Q/Q/Q/ or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and Technology Center -- Corning Optical Communications
County: Catawba Phone No.: 828-902-6695
Inspector: Steve Street
Date of Inspection: 4 25 14
Time of Inspection: 3.36 pm
Total Event Precipitation (inches):.5"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
® Yes ❑ No
Please verify whether Qualitative Monitoring must he performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature, I�certify that tW report is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
Pagel of 2
SWU-242. Last modified 10/25/2012

1. Outfall Description:
Outfall No. 006 Structure (pipe, ditch, etc.) Pipe
Receiving Stream: Clark's,Creek
Describe the industrial activities that occur within the outfall drainage area: Manufacturing of fiber
optic cable.
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Color was clear.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
Q 2 3 4 5
S. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
Q 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
01 2 3 4 5
7. is there any foam in the stormwater discharge? Yes No
8. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
Page 2 of 2
SWU-242, Last modified 10/25/2012

'Al, �r
NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
For guidance on filling out this form, please visit. httn:1/portal.ncdenr.org/web/wgjws/su/nndessw#tab-4
Permit No.: or Certificate of Coverage No.:
Facility Name: Hick Manufacturing and Technology Center - Coming tical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Steve Street
Date of Inspection: 4125114
Time of Inspection: 3:29 pm
Total Event Precipitation (inches):.5"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
® Yes ❑ No
Please verify whether Qualitative Monitoring must he performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signs re, i certify that -this report is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
Page 1 of 2
SWU-242, Last modified 10/25/2012

1. Outfall Description:
Outfall No. 007 Structure (pipe, ditch, etc.) Pipe
Receiving Stream: C1ark's Creek
Describe the industrial activities that occur within the outfall drainage area: Manufacturing of fiber
optic cable.
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Color was clear..
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
1 Q 3 4 5
5. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
01 2 3 4 5
G. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
0 2 3 4 5
7. Is there any foam in the stormwater discharge? Yes No
S. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
Page 2 of 2
SWU-242, Last modified 10/25/2012

RAIN GAUGE RECORD
SITE : Corning Optical Communications - HMTC
MONTH: April 2014
2/10/2014
TIME: 3:14 PM End Time: 3:30 PM
TIME: 0.27 hours
pH Meter Calibration - Date: 4125114 Time: 2:00 PM
pH Meter reading for 7.0 buffer solution: 7.00
pH Meter reading for 4.0 buffer solution: 4.01
Electrode Slope: 97.9%
Buffer expiration date: 10/14/14
pH Measured at:
Outfall 001: 7.16 Outfall 005: 6.85
Outfall 002: 6.89 Outfall 006: 7.13
Outfall on 7.36 Outfall 007: 7.13
Outfall004: Exempt Rainfall: N/A
DATE
TIME
RAINFALL INCHES
MEASURED BY
4/20/2014
8:00 AM
0
Steve Street
4/21/2014
8:30 AM
0
Steve Street
4/22/2014
8:00 AM
0
Steve Street
4/23/2014
8:00 AM
0
Steve Street
4/24/2014
8:00 AM
0
Steve Street
4/25/2014
3:10 PM
0"
Steve Street
4/25/2014
3:50 PM
.5"
Steve Street

, 6) NC3o
Steve Street
CORNING
Hickory Manufacturing and
Sr. EHS Coordinator
Technology Center
PO Box 489
Hickory, NC 28603
March 27, 2014
Division of Water Quality
Attn: DWQ Central Files
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
Dear Sir/Madam:
t828-901-6695
f 828-901-5665
[e-mail]
www.corning,corn
lk7ct�', I ff-
APR � p VED
2014
C DW q Fkes
?/ROG
Please find enclosed an original and one (1) copy of the Stormwater Discharge Monitoring
Report (DMR) for Corning Optical Communications, LLC — Hickory Manufacturing and
Technology Center (HMTC) located in Hickory, Catawba County, North Carolina. The
stormwater samples were collected on 2/10/2014 for all permitted Outfalls and represent the
monthly sample as specified in the Tier 11 requirements of HMTC's stormwater permit.
The results are mixed and reflect HMTC to be within the benchmark value for most permitted
parameters; however, the following benchmark parameters were exceeded:
• TSS at SDO # 1
• Copper at each outfall with the exception of SDO #5 and SDO #6
• Zinc was exceeded at all of the outfalls
Additional attachments include the Laboratory Analytical Report, Chain -of -Custody, and the
Qualitative Monitoring Report.
Please contact me if you have any questions at 828-901-6695.
Sincerely,
Stephen L Street
Senior Environmental, Health and Safety Coordinator
0
attachments
r
O

Semi-annual Stormwater Discharge Monitoring Report
for North Carolina Division of Water Quality General Permit No. NCG030000
f C 6 z-1) h �} �� Date submitted: 3 27 14
CERTIFICATE OF COVERAGE NO. N00030000
FACILITY NAME: Hickory Manufacturiniq and Technology Center
COUNTY: Catawba
PERSON COLLECTING SAMPLES: Steve Street
LABORATORY: Water Tech Labs Lab Cert. # 50
Comments on sample collection or analysis:
Part A: Stormwater Benchmarks and Monitoring Results
SAMPLE COLLECTION YEAR: 2014
SAMPLE PERIOD ❑ Jan -June ❑ July -Dec
or ® Monthly' - February
RECEIVED
TO CLASS ❑ORW ❑HQW ❑Trout ❑PNA
vv ❑Zero -flow ❑Water Supply ❑SA
APR 10 Z014 ❑Other
CENTRAL FILES
DWQiBOG
PLEASE REMEMBER TO SIGN ON PAGES 2 AND/OR 3 4
❑ No discharge this period
Outfall No.
Date Sample
Collected'
(mo/dd/yr)
24rainfall
amount,
Inches3
Total Suspended Solids
pH,
Standard units
Copper
Lead
Zinc
Non-Polar O&G/hour
Total Petroleum
Hydrocarbons
Total Toxic
Organicss
Benchmarks =__>
_
-
100 mg/L or 50 mg/L
6.0 — 9.0
0.007 mg/L
0.03 mg/L
0.067 mg/L
15 mg/L
1 mg/L
1
2/10/14
.3"
212 mg/1
7.14
.030 mg/1
.013 mg/I
1.66 mg/I
<5.6 mg/I
N/A
2
2/10/14
.3"
72 mg/I
7.09
.039 mg/1
.01 mg/I
.947 mg/1
<5.6 mg/I
N/A
3
2/10/14
.3"
66 mg/1
6.80
.022 mg/1
.009 mg/I
1.09 mg/I
<S.6 mg/I
N/A
5
2/10/14
.3"
21.5 mg/I
7.22
.005 mg/I
<.005 mg/I
.184 mg/I
<5.6 mg/I
N/A
6
2/10/24
.3"
10.3 mg/I
7.25
<.002 mg/I
<.005 mg/I
.069 mg/I
<5.6 mg/I
N/A
7
2/20/14
.3"
2 mg/I
7.15
.010 mg/I
<.005 mg/I
274 mg/I
<5.6 mg/I
N/A
' Monthly sampling (instead of semi-annual) must begin with the second consecutive benchmark exceedance for the same parameter at the same outfall.
z For sampling periods with no discharge at any single outfall, you must still submit this discharge monitoring report with a checkmark here.
3The total precipitation must be recorded using data from an on -site rain gauge. Unattended sites may be eligible for a waiver of the rain gauge requirement.
b See General Permit, Table 3 identifying the especially sensitive receiving water classifications where the more protective benchmark applies.
5 Total Toxic Organics sampling is applicable only for those facilities which perform metal finishing operations, manufacture semiconductors, manufacture
electronic crystals, or manufacture cathode ray tubes. For purposes of this permit the definition of Total Toxic Organics is that definition contained in the EPA
Effluent Guidelines for the facility subject to the requirement to sample (for metal finishing use the definition as found in 40 CFR 433.11; for semiconductor
manufacture use the definition as found in 40 CFR 469.12; for electronic crystal manufacture use the definition as found in 40 CFR 469.22; and for cathode ray
tube manufacture use the definition found in 40 CFR 469.31).
Permit Date: 11/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 1 of 3

FacAieies that incorporate a solvent management plan into the Stormwater Pollution Prevention Plan may so certify, and the requirement for TTO monitoring
may be waived. The solvent management plan shall include a list of the total toxic organic compounds used and the other elements listed in the General
Permit. For those facilities electing to employ the TTO monitoring waiver, the discharger shall sign the following certification statement:
"Based upon my inquiry of the person or persons directly responsible for managing compliance with the permit monitoring requirement for total toxic organics
(TTO), I certify that to the best of my knowledge and belief, no dumping of concentrated toxic organics into the stormwater or areas which are exposed to rainfall or
stormwater runoff has occurred since filing the last discharge monitoring report. I further certify that this facility is implementing the all the provisions of the
solvent management plan included in the Stormwater Pollution Prevention Plan."
NIA
Name (Print name)
N/A
Title (Print title)
N/A
(Signature)
(Date)
Note: Results must be reported in numerical format. Do not report Below Detection Limit, BDL, <PQL, Non -detect, ND, or other similar non -numerical
format. When results are below the applicable limits, they must be reported in the format. "<XX mg/L", where XX is the numerical value of the detection
limit, reporting limit, etc. in mg/L.
Note: If you report a sample value in excess of the benchmark, you must implement Tier 1, Tier 2, or Tier 3 responses. See General Permit text.
Part B: Vehicle Maintenance Area Monitoring Results: only for facilities averaging > 55 gal of new oil per month.
❑ No discharge this period?2
Outfall No.
Date Sample
Collected'
(mo/dd/yr)
24-hour rainfall
amount,
Inches
Non -polar O&G/TPH by
EPA 1664 (SGT-HEM)
Total Suspended Solids
pH
Benchmarks =__>
_
-
15 mg/L
100 mg/L or 5o mg/L*
6.0 — 9.0 SU
N/A
N/A
N/A
N/A
N/A
N/A
Footnotes from Part A also apply to this Part B
* See General Permit text, Table 5, identifying the especially sensitive receiving water classifications where the more protective benchmark applies.
Permit Date: 11/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 2 of 3

, Note: -If you report a sample value in excess of the benchmark, you must implement Tier I, Tier 2, or Tier 3 responses. See General Permit text.
FOR PART A AND PART B MONITORING RESULTS:
• A BENCHMARK EXCEEDANCE TRIGGERS TIER 1 REQUIREMENTS. SEE PERMIT PART II SECTION B.
• 2 EXCEEDANCES IN A ROW FOR THE SAME PARAMETER AT THE SAME OUTFALL TRIGGER TIER 2 REQUIREMENTS. SEE PERMIT PART 11 SECTION B.
• TIER 3: HAS YOUR FACILITY HAD 4 OR MORE BENCHMARK EXCEEDENCES FOR THE SAME PARAMETER AT ANY ONE OUTFALL? YES ❑ NO
IF YES, HAVE YOU CONTACTED THE DWQ REGIONAL OFFICE? YES ❑ NO ❑
REGIONAL OFFICE CONTACT NAME:
Mail an original and one copy of this DMR including all "No Discharge" reports, within 30 days of receipt of the lab results tar at end of monitoring period
in the case of "'No Discharge" mportsl to:
Division of Water Quality
Attn: DWQ Central files
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
YOU MUST SIGN THIS CERTIFICATION FOR ANY INFORMATION REPORTED:
"I certify, under penalty of law, that this document and all attachments were prepared under my direction or supervision in accordance with a system designed to
assure that qualified personnel properly gather and evaluate the information submitted. Based on my inquiry of the person or persons who manage the system, or
those persons directly responsible for gathering the information, the information submitted is, to the best of my knowledge and belief, true, accurate, and complete. I
am aware,that there are significant planalties for submitting false information, including the possibility of fines and imprisonment for knowing violations."
[Signature of
,��, z 12-1
Permit Date:11/1/2012-10/31/2017
SWU-245, last revised 10/25/2012
Page 3 of 3

biRrmirECH tRB.S.Inc.
POST OFFICE 130X 1056 • #5 PINEWOOD PLAZA DR.
GRANITE FALLS, NORTH CAROLINA 28630
[phone]
SAMPLE: Corning Cable (001) COLLECTION DATE: 2/10/2014
PERMIT #: COLLECTION TIME: 10:52
ADDRESS: Corning Cable Systems-TC RECEIVED DATE: 2/10/2014
P.O. Box 489 RECEIVED TIME: 12:48
Hickory, NC 28603-0489
REPORTED: 3/17/2014
LOG 1D: 1402-122 REPORTED BY: NC CERTIFIED LAB # 50
fp��
Tony Gragg, Lab Supervisor
6

1dRrER6rECH LARS.C.
POST OFFICE BOX 1056 • #5 PINEWOOD PLAZA DR.
GRANITE FALLS, NORTH CAROLINA 28630
[phone]
SAMPLE: Corning Cable (002)
PERMIT #:
ADDRESS: Corning Cable Systems-TC
P.O. Box 489
Hickory, NC 28603-0489
COLLECTION DATE:
2/10/2014
COLLECTION TIME:
10:48
RECEIVED DATE:
2/10/2014
RECEIVED TIME:
12:48
REPORTED:
3/17/2014
ANALYSIS
RESULTS
aNaLvsis
UNITS
-
DATE ANALYST
TSS
Oil & Grease
Lead
Copper
Zinc
72.0
<5.6
0.01
0.039
0,947
mg1L
mg/L
mg/L
mg/L
mg/L
2/12114 jrg
2110114 jdg
2114/14
2114/14
2/14/14
LOG ID: 1402-123 REPORTED BY: NCCERTII=IED LAB 4 50
S
Tony Gragg, Lab Supervisor

wRrmirEcH LARS.Inc.
POST OFFICE 80; 1056 - 95 PINEWOOD PLAZA DR.
GRANITE FALLS, NORTH CAROLINA 28630
[phone]
SAMPLE. Corning Cable (003) COLLECTION DATE: 2/10/2014
PERMIT #: COLLECTION TIME: 10:45 .
ADDRESS: Corning Cable Systems-TC RECEIVED DATE: 2/10/2014
P.O. Box 489 RECEIVED TIME: 12:48
Hickory, NC 28603-0489
REPORTED: 3/17/2014
-- -- -_--��
ANALYSIS
�_--_--_ANALYSIS_._--------
RESULTS
UNITS
DATE ANALYST
TSS
Oil & Grease
Lead
Copper
Zinc
66.0
<5.6
0.009
0.022
1.09
mg/L
mg/L
mg/L
mg/L
mg/L
2112/14 jrg
2/10/14 jdg
2/14/14
2114/14
2114/14
LOG ID: 1402-124 REPORTED BY: NC CERTIFIED LAB # 50
fll�
Tony Gragg, Lab Supervisor

1dRrER4rECH LR- 8 inc.
POST OFFICE BOX 1056 • #5 PINEWOOD PLAZA DR.
GRANITE FALLS, NORTH CAROLINA 28630
[phone]
SAMPLE: Corning Cable (005)
PERMIT #:
ADDRESS: Corning Cable Systems-TC
P.O. Box 489
Hickory, NC 28603-0489
COLLECTION DATE. 2/10/2014
COLLECTION TIME: 11:03
RECEIVED DATE: 2/10/2014
RECEIVED TIME: 12-148
REPORTED: 3/17/2014
-------------
ANALYSIS
---
RESULTS
ANALYSIS
UNITS
DATE ANALYST
TSS
Oil 8, Grease
Lead
Copper
Zinc
21.5
<5.6
<0.005
0.005
0.184
mg/L
mg/L
mg/L
mg/L
mg/L
2/12114 jrg
2/10114 jdg
2/14114
2/14114
2/14114
LOG ID: 1402-125 REPORTED BY: NC CERTIFIED LAB # 50
ff�
Tony Gragg, Lab Supervisor

WRrERgrECH LR85.inc.
POST OFFICE BOX 1056 - #5 PINEWOOD PLAZA DR.
GRANITE FALLS, NORTH CAROLINA 28630
[phone]
SAMPLE: Corning Cable (006) COLLECTION DATE: 2/10/2014
PERMIT #: COLLECTION TIME: 11:10
ADDRESS: Corning Cable Systems-TC RECEIVED DATE: 2/10/2014
P.O. Box 489 RECEIVED TIME: 12:48
Hickory, NC 28603-0489
REPORTED: 3/17/2014
----
ANALYSIS
TSS
Oil & Grease
Lead
Copper
Zinc
-�-
RESULTS
10.3
<5.6
<0.005
<0.002
0.069
� ANALYSIS
UNITS
mg/L
mg/L
mg/L
mg/L
mg/L
DATE ANALYST
2/12114 jrg
2/10114 jdg
2I14114
2I14114
2I14114
LOG ID: 1402-126 REPORTED BY: NC CERTIFIED LAB # 50
fv�
Tony Gragg, Lab Supervisor

b1RrER6rEcH LABS.Inc.
POST OFFICE BOX 1056 - #5 PINEWOOD PLAZA DR.
GRANITE FALLS, NORTH CAROLINA 28630
[phone]
SAMPLE: Corning Cable (007)
PERMI T #:
ADDRESS: Corning Cable Systems-TC
P.O. Box 489
Hickory, NC 28603-0489
COLLECTION DATE: 2/10/2014
COLLECTION TIME: 11:03
RECEIVED DATE: 2/10/2014
RECEIVED TIME: 12:48
REPORTED: 3/17/2014
-- - -
- - - ---- ----ANALYSIS
---------- ----
ANALYSIS
RESULTS
UNITS
DATE ANALYST
TSS
52.0
mg/L
2/12/14 jrg
Oil & Grease
<5.6
mg/L
2/10/14 jdg
Lead
<0.005
mg/L
2114/14
Copper
0.010
mg/L
2/14/14
Zinc
0.274
mg/L
2/14/14
W
_
LOG ID: 1402-127 REPORTED BY: NC CERTIFIED LA.B # 50
fl�6
Tony Gragg, Lab Supervisor

RESEARCh & ANAlyTICAI
LABORATORIES, INC.
Analytical/Process Consultations
Water Tech Labs. Inc.
P.O. Box 1056
Granite Falls, NC 28630
Attn: Joe Gragg
Date Sample Collected
Date Sample Received
Date Sample Analyzed
Date of Report
Analyses Performed by
Lab Sample Numhex
--------------------
778711
Parameter Storet # Results
Copper,Tot (01042) 0.030 mg/l
Lead,Tot (01051) 0.013 mg/1
Zinc,Tot (01092) 1.66 mg/l
--------------------
Clients Sample Source CORNING CABLE
Number
Time Collected (Hrs) 1052
02/10/14
02/14/14
02/14/14
03/03/14
AA
P.O. Box 473 • 106 Short Street • Kerners0le, North Cardin 27284 • 336-996-2841 • Fax [phone]
www.randa4abs.com

RESEARCh & ANA[yTICA[
L.AbORATORIES, INC.
Analytical/Process Consultations
Water Tech Labs. Inc.
P.O. Box 1056
Granite Falls, NC 28630
Attn: Joe Gragg
Date Sample Collected
Date Sample Received
Date Sample Analyzed
Date of Report
Analyses Performed by
Lab Sample Number.
--------------------
778712
Parameter Storet # Results
Copper,Tot (01042) 0.039 mg/1
Lead,Tot (01051) 0.01 mg/1
Zinc,Tot (01092) 0.947 mg/1
--------------------
Clients Sample Source CORNING CABLE
Number
Time Collected Mrs) 1048
otj%4191 rrtir1+ .
40
NC #34 Z''
ram, � •, Oj���¢; \� ,`,
�i�� ••••
0e.; ��IFI�Ja 1A P��
02/10/14
02/14/14
02/14/14
03/03/14
AA
P.O. Box 473 • 106 Short Street • KernersviIle. North Carp line 27264 • 336-996-2641 • Fax [phone]
www,randalabs.com

RESEARCh & ANA1yTICAI
Ub0RAT0RlES, INC.
Analytical/Process Consultations
Water Tech Labs. Inc.
Date
Sample Collected
02/10/14
P.O. Box 1056
Date
Sample Received
02/14/14
Granite Falls, IBC 28630
Date
Sample Analyzed
02/14/14
Attn: Joe Gragg
Date
of Report
03/03/14
Analyses Performed by
AA
Lab Sample DNumher
--------------------
778713
Parameter Storet # Results
Copper,Tot (01042) 0,022 mg/1
Lead,Tot (01051) 0.009 mg/l
Zinc,Tot (01092) 1.09 mg/l
--------------------
Clients Sample Source CORNING CABLE
Number
Time Collected (Hrs) 1045
P 0. Box 473 • 106 Short Street • KernersvilkE, North Carolina 27284 • 336.996-2841 • Fax [phone]
www.randalabs.com

RESEARCh & ANA1yTICA1
LABORATORIES, INC.
Analytical/Process Consultations
Water Tech Labs. Inc.
P.C. Box 1056
Granite Falls, NC 28630
Attn: Joe Gragg
Date Sample Collected
Date Sample Received
Date Sample Analyzed
Date of Report
Analyses Performed by
Lab Sample Number
--------------------
778714
Parameter Storet # Results
Copper,Tot (01042) 0.005 mg/1
Lead,Tot (01051) <0.005 mg/1
Zinc,Tot (01092) 0.184 mg/1
--------------------
Clients Sample Source CORNING CABLE
Number
Time Collected (Hrs) 1103
.`',SitItsIllljlr i
G�F*,rri `r.
♦.``
c c
r
to NC
i
��'�•;!FrEL) AIA
+•r'll,ol"t
02/10/14
02/14/14
02/14/14
03/03/14
AA
P.O. Box 473 • 106 Short Street • Kernersvilie, North Carolina 27284 • 336-996-2B41 • Fax [phone]
www.randalabs.com

RESEARCh & ANALyTICA1
LABORATORIES, INC.
Analytical/Process Consultations
Water Tech Labs. Inc.
P.O. Sox 1056
Granite Falls, NC 26630
Attn: Joe Gragg
Date Sample Collected
Date Sample Received
Date Sample Analyzed
Date of Report
Analyses Performed by
Lab Sample Number
--------------------
778715
Parameter Storet # Results
Copper,Tot (01042) <0.002 mg/1
Lead,Tot (01051) <0.005 mg/l
Zinc,Tot (01092) 0.069 mg/l
--------------------
Clients Sample Source CORNING CABLE
Number
Time Collected (Hrs) 1110
%,st
.�
NC #34 � `•n
02/10/14
02/14/14
02/14/14
03/03/14
AA
P 0. Box 473 • 106 Short Street • Kernersville, North Carolina 27284 • 336-996-2841 • Fax [phone]
www.randalabs.eom

RESEARCh & ANA1yTICA1
LABORATORIES, INC.
Analytical/Process Consultations
Water Tech Labs. Inc.
P.O. Sox 1056
Granite Falls, NC 28630
Attn: Joe Gragg
Date Sample Collected
Date Sample Received
Date Sample Analyzed
Date of Report
Analyses Performed by
Lab Sample Number
--------------------
778716
Parameter Storet # Results
Copper,Tot (01042) 0.010 mg/l
Lead,Tot (01051) <0.005 mg/1
Zinc,Tot (01092) 0.274 mg/1
--------------------
Clients Sample Source CORNING CABLE
Number
Time Collected (Hrs) 1103
02/10/14
02/14/14
02/14/14
03/03/14
AA
P.O Box 473 • 106 Short Street • Kernersvilie, North Carolina 27284 • 336-996-2841 • Fax [phone]
www.randalabs.com

WATER TECH LA In, c -
,,,G:
5 Pinewood Plaza Drive -- P.O. Box 1056
Granite Falls, NC 28630
Phone [phone] - Fax [phone]
CLIENT: Corning Cable Systems-TC Pit PHONE NUMBER: 828-327-5000
c/o Steve Street TYPE SAMPLE: Stormwater
P.O Box 489 No. LOCATIONS: 6
Hickory, NC 28603-0489 SAMPLER NAME:
Sample Collection
Information
TYPE
CONTAINERS
ANALYSIS REQUIRED
Sample Location
DATE
TIME
TEMP. °C
Grabi
No
Plastic/
FacilityName
Composite
Glass
Discharge 001
1r0.5�
Grab
3
Plastic/
Glass
TSS, Oil & Gr., Lead, Copper, Zinc
pp
Discharge 002
a- l0-1
1
Grab
3
PlasticGlass/
TSS, Oil & Gr., Lead, Copper, Zinc
Discharge 003
�'IO^ICJ
(0• ��
Grab
3
Plastic/
Glass
TSS, Oil & Gr., Lead, Copper, Zinc
Discharge 005
;
0
Grab
3
Plastic/
Glass
TSS, Oil & Gr., Lead, Copper, Zinc
Discharge 006
+
f 1,) o
Grab
3
Plastic!
Glass
TSS, Oil & Gr., Lead, Copper, Zinc
Discharge 007
<
[ •03
Grab
3
Plastic/
Glass
TSS, Oil & Gr„ Lead, Copper, Zinc
Iq
$ ��
G��,
I
Ib cK, -m,rsS
L 170
- P- «
s� s
orb
t
A��"
e to � -too -r5s
mz'4
�_}4_ i4
I i!qo
GM6
t
107 Lu
,C
,
+Tr7
f 6 64 I
'sai Cu Z'
Relinquished By:
Date:
Time:
Rec ed
Dater
Time,
L
q
/a, S
-
Relinquished By:
Date:
Time:
Re ived By:
Date:
Time:
PRESERVATION:
.fl-C674°C
11 NaOH
1—
I1 Dechlornating Agent
�] Other
SAMPLE TEMP. @ LAB �) �6
Chlorine Residual `pT M.
NC CERTIFIED LAB # 50

NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
For guidance on filling out this form, please visit. httpi j jpQrtal.ncdenr.,prg./webf wgf ws/su/nndessw#tab-4
Permit No.: N/C/ 0/ 3/Q/0/0/0/Q/ or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and Technology Center — Corning Optical Communications
County: CAUwba Phone No.: 828-901-6695
Inspector: Steve Street
Date of Inspection: 2110114
Time of Inspection: 10:52 am
Total Event Precipitation (inches): X
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
® Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
01 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature, I certify that,th i 5? report is accurate and complete to the best of my knowledge:
(Signature of Permit`fee or Designee)
Pagel of 2
SWU-242, Last modified 10/25/2012

1. Outfall Description:
Outfall No. 001 Structure (pipe, ditch, etc.) Pipe
Receiving Stream: ClarWs Creek
Describe the industrial activities that occur within the outfall drainage area: Reel storage, solid
waste containers designated for landfill, hazardous waste storage. and R&D building
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Color was brown with a medium tint.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
1 2 3 ® 5
S. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
Q1 2 3 4 5
b. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
1 2 33 4 5
7. is there any foam in the stormwater discharge? Yes No
8. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:_ Investigation regarding the brown water revealed no issues from the roof and
concrete drive. Possible break in the pipe may be the contributing _facto r._The plan is_to_monitor
during future rain events to determine if issue still exists.
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
Page 2 of 2
SWU-242, Last modified 10/25/2012

NCDENR
Stormwater Discharge Outfall (SD4)
Qualitative Monitoring Report
Forguidance on filling out this form, please visit. httRf /portal.ncdenr.org/webJ)ya/ws/sU/nodessw#tab-4
Permit No.: or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and Technology Center - Corning Optical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Steve Street
Date of Inspection: 2/10114
Time of Inspection: 1 :48 am
Total Event Precipitation (inches): X
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
® Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature, I certify thatlthis r�port is accurate and complete to the best of my knowledge:
(Signature of PerrKittee or Designee)
Pagel of 2
S1NU-242, last modified 10/25/2012

1. Outfall Description:
Outfall No. DQ2 Structure (pipe, ditch, etc.) PjDe
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: Solid waste containers
designated forlandfill. metal recycling container, and chemical stoarage area (covered).
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Color was mostly clear with a light discoloration.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odors were present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
0 2 3 4 5
S. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
0 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
1 Q 3 4 5
7. Is there any foam in the stormwater discharge? Yes
B. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
Page 2 of 2
SWU-242, Last modified 10/25/2012

NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
For guidance on filling out this form, please visit. http://12ortal.ncdenr.org/web/wQ/ws/su/npdessw#tab-4
Permit No.: or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and Technology Center -, Corning Optical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Steve Street
Date of Inspection: 2/10114
Time of Inspection: 10:45 am
Total Event Precipitation (inches): 3"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
®Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
j performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
F
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By thi4 signature,_I certVf thgt this report is accurate and complete to the best of my knowledge:
(Signature orPermittee orbesignee)
Pagel of 2
SWU-242, last modified 10/25/2012

1. Outfall Description:
Outfali No. 003 Structure (pipe, ditch, etc.) Pine
Receiving Stream: Clark's Cree
Describe the industrial activities that occur within the outfall drainage area: Reel stQrage,machine
shop, and warehouse.
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Color was mostly clear with a light tint.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
1 Q2 3 4 5
5. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
01 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
1 3 4 5
7. Is there any foam in the stormwater discharge? Yes ©o
8. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators ofStormwater Pollution: Nong
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
Page 2 of 2
SWU-242, Last modified 10/25/2012

Ai�
NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
For guidance on filling out this form, please visit. http://por-tai.ncdeny.org/web/wq/wslsu/npdessw#tab-_4
Permit No.: or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and Technology Center - Corning Optical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Steve Street
Date of Inspection: 2 10 14
Time of Inspection: 1 :55 am
Total Event Precipitation (inches):.3"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
® Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However, i
some permits do not have this requirement. Please refer to these definitions, if applicable. j
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee I
obtains approval from the local DWQ Regional Office.
By this s fknature, I certify that tPis report is accurate and complete to the best of my knowledge:
(Signature of Pe'Wnittee or Designee)
Pagel of 2
SWU-242, Last modified 10/25/2012

1. Outfall Description:
Outfall No. 004 Structure (pipe, ditch, etc.) Pipe
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: No industrial activities,
only a warehouse..
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Color clear with a light tint.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was rem
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
Q 2 3 4 5
5. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
�1 2 3 4 5
b. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
Q 2 3 4 5
7. Is there any foam in the stormwater discharge? Yes No
8. Is there an oil sheen in the stormwater discharge? Yes No
9. is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
Page 2 of 2
SWU-242, Last modified 10/25/2012

A&
NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
Forguidance on filling out this form, please visit: gyp://mortal.ncdenr.QrgLweb/Wq/ws/su/npdessw#tab-4
Permit No.: N/C/Q/ 3/0/0/0/0/0/ or Certificate of Coverage No.: N/C/G/_/_/_/_/_/_/
Facility Name: Hickory Manufacturing and Technology Center - Corning Optical Communications
County: Catawba Phone No.: 828-901-6695
Inspector: Steve Street
Date of Inspection: 2 10 14
Time of Inspection: 11:08 am
Total Event Precipitation (inches): X
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
® Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this siglature, I certify thpt thi� report is accurate and complete to the best of my knowledge:
(Signature of Per{iiittee or`Designee)
Page 1 of 2
SWU-242, Last modified 10/25/2012

1. Outfall Description:
Outfall No. 005 Structure (pipe, ditch, etc.) Pine
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: Manufacture of fiber
optic cable and warehouse.
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Color clear with a light tint.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
1 n2 3 4 5
5. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
�1 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
Q 2 3 4 5
7. Is there any foam in the stormwater discharge? Yes H
B. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? 0 No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
Page 2 of 2
SWU-242, last modified 10/25/2012

'�;
NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
Forguidance on filling out this form, please visit: http_//pUrtal ncdenr.Qrg/webjw!i/—w—sjsa/npdessw#tab-4
Permit No.: N/C/ 0//Q/0/0/Q/Q/ or Certificate of Coverage No.:
Facility Name: Hickory Manufacturing and Technology Center - Corning Optical Communications
County: Catawba Phone No.: 828-_901-6695
Inspector: Steve Street
Date of Inspection: 2110114
Time of Inspection: 11: 10 am
Total Event Precipitation (inches): X
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
®Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this sioature, I certify thy t thjp report is accurate and complete to the best of my knowledge:
(Signature of Pern4lttee or
Pagel of 2
SWU•242, Last modified 10/25/2012

1. Outfall Description:
Outfali No. 0_06 Structure (pipe, ditch, etc.) Pine
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: Manufacturing of fiber
optic cable.
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Color clear with a light tint.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was rem
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
1 02 3 4 5
S. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
0 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
n1 2 3 4 5
7. Is there any foam in the stormwater discharge? Yes No
8. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Ve� No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
Page 2 of 2
SWU-242, Last modified 10/25/2012

w�X"rn
NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
For guidance on filling out this form, please visit. http://portal.ncdenr.org/web/wq/ws/su/ni2dessw#tab-4
Permit No.: or Certificate of Coverage No.:
Facility Name: HickoU ManufactUring and Technology Center - Corning Optical CQmmunications
County: Catawba Phone No.: 828-901-6695
Inspector: Steve Street
Date of Inspection: 2 10 14
Time of Inspection: i 1:03 am
Total Event Precipitation (inches):.3"
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
® Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "reasureable storm event" (requirements vary, depending on the permit).
j Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event." However,
j some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall 11
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
I
3 A "measurable storm event" is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
jinterval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office. I
By this signature, I certify that tois r¢port is accurate and complete to the best of my knowledge:
{Signature of Permitto or
Page 1 of 2
SWU-242, Last modified 10/25/2012

1. Outfall Description:
Outfall No. 007 Structure (pipe, ditch, etc.) Pioe
Receiving Stream: Clark's Creek
Describe the industrial activities that occur within the outfall drainage area: Manufacturing of fiber
optic cable
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Color was clear with a light tint.
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): No odor was present.
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
1 22 3 4 5
5. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
01 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
0 2 3 4 5
7. Is there any foam in the stormwater discharge? ®e No
B. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution: None
List and describe:
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
Page 2 of 2
SWU-242, Last modified 10/25/2012

Semi-annual Stormwater Discharpte Monitoring Report
for N Carolina Division of Water Quality Genera! Permit No. NCG030000
Date submitted: 122 2014
CERTIFICATE OF COVERAGE N
FACILITY NAME: HickoryMan f
COUNTY: Catawba
PERSON COLLECTING SAMPLES.-.
LABORATORY: Water Tech Labs Lab Cert. #: SO
Comments on sample collection or analysis:
rJcG 630 e�Vk
RECEIVEL
Part A: Stormwater Benchmarks and Monitoring Results
JAN 31 2014
r.FNTPAL FILES
DW0!30G
SAMPLE COLLECTION YEAR: 2013
SAMPLE PERIOD ❑ Jan -June (uly-Dec
or ❑ Monthly" (month)
DISCHARGING TO CLASS ❑ORW ❑HQW []Trout ❑PNA
❑Zero -flow ❑Water Supply ❑SA
❑Other
PLEASE REMEMBER TO SIGN ON PAGES 2 AND/OR 3 4
❑ No discharge this period?2
Outfall No.
Date Sample
Collected"
(mo/dd/yr)
24-hour rainfall
amount,
Inches3
Total Suspended Solids
pH,
Standard units
Copper
Lead
Zinc
Non -Polar O&G/Total
Total Petroleum
Hydrocarbons
Toxic
Organics
Benchmarks
-
100 mg/L or 50 mg/L
6.0 -- 9.0
0.007 mg/L
0.03 mg/L
0.067 mg/L
15 mg/L
1 mg/L
1
12/14/13
.75
27.0 mg/I
7.10
.040 mg/i
.006 mg/I
2.98 mg/I
<5.6 mg/I
N/A
2
12/14/13
.75
25.0 mg/I
7.35
.021 mg/I
.006 mg/I
.469 mg/I
<5.6 mg/I
N/A
3
12/14/13
.75
18.0 mg/I
7.43
.017 mg/I
<.005 mg/I
.410 mg/I
<5.6 mg/l
N/A
5
12/14/13
.75
7.8 mg/I
7.23
.016 mg/I
<.005 mg/I
.203 mg/I
<5.6 mg/I
I N/A
6
12/14/13
.75
9.0 mg/t
6.55
.013 mg/I
<005 mg/I
.342 mg/I
<5.6 mg/I
N/A
7
12/14/13
1 .75
1 5.4 mg/I
7.33
.059 mg/I
I <.005 mg/I 1
.136 mg/I
<5.6 mg/I
N/A
" Monthly sampling (instead of semi-annual) must begin with the second consecutive benchmark exceedance for the same parameter at the same outfall.
Z For sampling periods with no discharge at any single outfall, you must still submit this discharge monitoring report with a checkmark here.
3The total precipitation must be recorded using data from an on -site rain gauge. Unattended sites may be eligible for a waiver of the rain gauge requirement.
4 See General Permit, Table 3 identifying the especially sensitive receiving water classifications where the more protective benchmark applies.
5 Total Toxic Organics sampling is applicable only for those facilities which perform metal finishing operations, manufacture semiconductors, manufacture
electronic crystals, or manufacture cathode ray tubes. For purposes of this permit the definition of Total Toxic Organics is that definition contained in the EPA
Effluent Guidelines for the facility subject to the requirement to sample (for metal finishing use the definition as found in 40 CFR 433.11; for semiconductor
manufacture use the definition as found in 40 CFR 469.12; for electronic crystal manufacture use the definition as found in 40 CFR 469.22; and for cathode ray
tube manufacture use the definition found in 40 CFR 469.31).
Permit Date: 11/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 1 of 3

Facilities that incorporate a solvent management plan into the Stormwater Pollution Prevention Plan may so certify, and the requirement for TTO monitoring
may be waived. The solvent management plan shall include a list of the total toxic organic compounds used and the other elements listed in the General
Permit. For those facilities electing to employ the TTO monitoring waiver, the discharger shall sign the following certification statement:
"Based upon my inquiry of the person or persons directly responsible for managing compliance with the permit monitoring requirement for total toxic organics
(TTO), I certify that to the best of my knowledge and belief, no dumping of concentrated toxic organics into the Stormwater or areas which are exposed to rainfall or
stormwater runoff has occurred since filing the last discharge monitoring report. I further certify that this facility is implementing the all the provisions of the
solvent management plan included in the Stormwater Pollution Prevention Plan."
Name (Print name)
N/A
Title (Print title)
(Signature)
(Date)
Note: Results must be reported in numerical format. Do not report Below Detection Limit, BDL, <PQL, Non -detect, ND, or other similar non -numerical
format. When results are below the applicable limits, they must be reported in the format, "<XX mg/L", where XX is the numerical value of the detection
limit, reporting limit, etc. in mg/L.
Note: if you report a sample value in excess of the benchmark, you must implement Tier 1, 7-ter 2, or Tier 3 responses. See General Permit text.
Part B: Vehicle Maintenance Area Monitoring Results: only for facilities averaging > 55 gal of new oil per month.
❑ No discharge this period?'
Outfall No.
©ate Sample
Collected'
(mo/dd/yr)
24-hour rainfall
amount,
Inches3
Non -polar O&G/TPH by
EPA 1664 (SGT-HEM)
Total Suspended Solids
pH
Benchmarks
15 mg/L
100 mg/L or 50 mg/L*
6.0 — 9.0 SU
N/A
N/A
N/A
N/A
N/A
N/A
Footnotes from Part A also apply to this Part B
* See General Permit text, Table 5, identifying the especially sensitive receiving water classifications where the more protective benchmark applies.
Permit Date: 11/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 2 of 3

Note: ffyou report a sample value in excess of the benchmark, you must implement rer 1, Tier 2, or Tier 3 responses. See General Permit text.
FOR PART A AND PART B MONITORING RESULTS:
• A BENCHMARK EXCEEDANCE TRIGGERS TIER 1 REQUIREMENTS. SEE PERMIT PART II SECTION B.
• 2 EXCEEDANCES IN A ROW FOR THE SAME PARAMETER AT THE SAME OUTFALL TRIGGER TIER 2 REQUIREMENTS. SEE PERMIT PART II SECTION B.
• TIER 3: HAS YOUR FACILITY HAD 4 OR MORE BENCHMARK EXCEEDENCES FOR THE SAME PARAMETER AT ANY ONE OUTFALL? YES ❑ NO ❑
IF YES, HAVE YOU CONTACTED THE DWQ REGIONAL OFFICE? YES ❑ NO ❑
REGIONAL OFFICE CONTACT NAME:
Mail an original and one copy of this DMR including all "No Discharge" re orts within 30 days of receipt of the lab results or at end of monitoring eriod
in the case of "No Discharge" reports) to:
Division of Water Quality
Attn: DWQ Central Files
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
YOU MUST SIGN THIS CERTIFICATION FOR ANY INFORMATION REPORTED:
"I certify, under penalty of law, that this document and all attachments were prepared under my direction or supervision in accordance with a system designed to
assure that qualified personnel properly gather and evaluate the information submitted. Based on my inquiry of the person or persons who manage the system, or
those persons directly responsible for gathering the information, the information submitted is, to the best of my knowledge and belief, true, accurate, and complete. I
am aware that there are significant penalties for submitting false information, including the possibility of fines and imprisonment for knowing violations."
I( l�-
of Pe
(�)q�jd
(Date)
Permit Date: 11/1/2012-10/31/2017
SWU-245, last revised 10/25/2012
Page 3 of 3

1dRrER4TECH LR0.
-m..
POST OFFICE BOX 1056 • #5 PINEWOOD PLAZA DR,
GRANITE FALLS, NORTH CAROLINA 28630
[phone]
SAMPLE: Corning Cable (001) COLLECTION DATE:
12/14/2013
PERMIT #, COLLECTION TIME:
09:05
ADDRESS: Corning Cable Systems-TC RECEIVED DATE:
12/16/2013
P.O. Box 489
RECEIVED TIME:
08:50
Hickory, NC 28603-0489
REPORTED:
1/9/2014
.aNaLYsrs
ANALYSIS
RESULTS
UNITS
DATE ANALYST
TSS
27.0
mg1L
12/17/13 irg
Oil & Grease
<5.6
mg/L
12/23113 idg
Lead
0,006
mg/L
12/20/13
Copper
0.040
mg/L
12/20/13
Zinc
2.98
mg/L
12/20/13
LOG 1D: 1312-260
REPORTED BY: NC CERTIFIED LAB # 50
fv� *
Tony Gragg, Lab Supervisor

b1RrER6rECH L171F.S.Inc.
POST OFFICE BOX 1056 • a5 PINEWOOD PLAZA DR.
GRANITE FALLS, NORTH CAROLINA 28630
[phone]
SAMPLE: Corning Cable (002) COLLECTION DATE: 12/14/2013
PERMIT #: COLLECTION TIME: 09:08
ADDRESS: Corning Cable Systems-TC RECEIVED DATE: 12/16/2013
P.O. Box 489 RECEIVED TIME: 08:50
Hickory, NC 28603-0489
REPORTED: 1/9/2014
ANALYSIS
E
ANALYSIS
RESULTS
UNITS
DATE ANALYST
TSS
25.0
mg/L
12/17/13 jrg
Oil & Grease
<5.6
mg/L
12/23/13 jdg
Lead
0,006
mg/L
12/20/13
Copper
0.021
mg/L
12/20/13
Zinc
0.469
mg/L
12/20/13
LOG ID: 1312-261
REPORTED BY: NC CERTIFIED LAB # 50
f�,-
Tony Gragg, Lab Supervisor

1dRrER6rECH LREAS-Inc.
POST OFFICE BOX 1056 • #5 PINEWOOD PLAZA DR.
GRANITE FALLS, NORTH CAROLINA 28630
[phone]
SAMPLE: Corning Cable (003) COLLECTION DATE:
12/14/2013
PERMIT #: COLLECTION TIME:
09:10
ADDRESS: Corning Cable Systems-TC RECEIVED DATE:
12/16/2013
P.O. Box 489 RECEIVED TIME:
08:50
Hickory, NC 28603-0489
REPORTED:
1/9/2014
ANALYSIS
�
ANALYSIS
RESULTS
UNITS
r
DATE ANALYST
TSS
18.0
mg1L
12/17/13 irg
Oil & Grease
<5.6
mg1L
12/23/13 idg
Lead
<0.005
mg1L
12/20/13
Copper
0.017
mg1L
12/20/13
Zinc
0.410
mg1L
12/20/13
LOG ID: 1312-262 REPORTED BY: NC CERTIFIED LAB # 50
fk�
Tony Gragg, Lab Supervisor

b1RiER4rECH Lmrslnc.
POST OFFICE BOX 1056 • #5 PINEWOOD PLAZA DR.
GRANITE FALLS, NORTH CAROLINA 28630
[phone]
SAMPLE: Corning Cable (005) COLLECTION DATE:
12/14/2013
PERMIT #: COLLECTION TIME:
09:28
ADDRESS: Corning Cable Systems-TC RECEIVED DATE:
12/16/2013
P.Q. Box 489
RECEIVED TIME:
08:50
Hickory, NC 28603-0489
REPORTED:
1/9/2014
i
- - --
- ANALYSIS
ANALYSIS
RESULTS
UNITS
DATE ANALYST
TSS
7.8
mg/L
12/17/13 irg
Oil & Grease
<5.6
mg1L
12/23/13 jdg
Lead
<0.005
mg/L
12/20/13
Copper
0.016
mg/L
12/20/13
Zinc
0.203
mg/L
12/20/13
LOG ID: 1312-263 REPORTED BY: NC CERTIFIED LAB # 50
Tony Gragg, Lab Supervisor

1dHrER6rffCH LHW.S.Inc.
POST OFFICE BOX 1056 • #5 PINEWOOD PLAZA DR.
GRANITE FALLS, NORTH CAROLINA 28630
[phone]
SAMPLE: Corning Cable (006) COLLECTION DATE:
12/14/2013
PERMIT #: COLLECTION TIME:
09:33
ADDRESS: Corning Cable Systems-TC RECEIVED DATE:
12/16/2013
P.O. BOX 489
RECEIVED TIME:
08:50
Hickory, NC 28603-0489
REPORTED:
1/9/2014
ANALYSIS
ANALYSIS
RESULTS
UNITS
DATE ANALYST
TSS
9.0
mg/L
12/17/13 jrg
Oil & Grease
<5.6
mg/L
12/23/13 jdg
Lead
<0.005
mg/L
12/20/13
Copper
0,013
mglL
12/20/13
Zinc
0,342
mg1L
12/20/13
LOG ID: 1312-264 REPORTED BY: NC CERTIFIED LAB # 50
fe*
Tory Gragg, Lab Supervisor

14RrER4TECH LRBS.Inc.
POST OFFICE BOX 1056 • #5 PINEWOOD PLAZA DR.
GRANITE FALLS, NORTH CAROLINA 28630
[phone]
SAMPLE: Corning Cable (007) COLLECTION DATE:
12/14/2013
PERMIT #: COLLECTION TIME:
09:20
ADDRESS: Corning Cable Systems-TC RECEIVED DATE:
12/16/2013
P.O. Box 489
RECEIVED TIME:
08:50
Hickory, NC 28603-0489
REPORTED:
1/9/2014
-----�----__._ .__ ---- -- --... --- - - ANALYSIS
ANALYSIS RESULTS UNITS DATE ' ANALYST
TSS 5.4 mg/L 12/17/13 irg
Oil & Grease
<5.6
mg/L
12/23/13 jdg
Lead
<0.005
mg/L
12/20/13
Copper
0.059
mg/L
12/20/13
Zinc
0.136
mg/L
12/20/13
LOG ID: 1312-265 REPORTED BY: NC CERTIFIED LAB # 50
fm �' �
Tony Gragg, Lab Supervisor

RESEARCh & ANA1yTICA1
LABORATORIES, INC.
Analytical/Process Consultations
Water Tech Labs. Inc.
Date Sample Collected 12/14/13
P.O. Box 1056
Date Sample Received 12/20/13
Granite Falls, NC 28630
Date Sample Analyzed 12/20/13
Attn: Joe Gragg
Date of Report 01/07/14
Analyses Performed by AA
Lab Sample Number Lab Sample Number
Lab Sample Number
775161 775162
775163
Parameter Storet #
Results Results
Results
Copper,Tat (01042)
0.040 mg/l 0.021 mg/I.
0.017 mg/l
Leacljot (01051)
0.006 mg/l 0.006 mg/l
<0.005 mg/l
Zinc,Tot (01092)
2.98 mg/t 0.469 mg/l
0.410 mg/l
Clients Sample Source
Number
Time Collected (Hrs)
--------------------------------- --------------------
CORNING CABLE 001 CORNING CABLE 002 CORNING CABLE 003
0905
0908
0910
P.C. Box 473 • 106 Short Street • Kernersville, North Carolina 27284 • 336-996-2841 • Fax [phone]
www.randalabs.com

RESEARCh & ANA[yTICA[
LkORATWES, INC.
Analytical/Process Consultations
010SI i/111111""I,
•`` G�� Agri `••,
Ucy
*10 NC
4.0
w �
Water Tech Labs, Inc.
Date Sample Collected 12/14/13
P.O. Box 1056
Date Sample Received 12/20/13
Granite Falls,
NC 28630
Date Sample Analyzed 12/20/13
Attn: Joe Gragg
Date of Report 01/07/14
Analyses Performed by AA
Lab Sample Number Lab Sample Number
-------------------- --------------------
Lab Sample Number
--------------------
775164 775165
775166
Parameter
Street #
Results Results
Results
Copperjot
(01042)
0.016 mg/l 0.013 mg/t
0.059 mg/l
Lead,Tot
(01051)
<0.0O5 mg/l <0.005 mg/l
<0.005 mg/t
2inc,Tot
(01092)
0.203 mg/l 0.342 mg/L
0.136 mg/l
Clients Sample
Source
-------------------- --------------------
CORNING CABLE 005 CORNING CABLE 006
--------------------
CORNING CABLE 007
Number
Time Collected
(Hrs)
0928 0933
0920
P.O. Box 473 • 106 Short Street • Kernersville, North Carolina 27284 • 336-996-2841 • Fax [phone]
www.randalabs.com

1 Ef: C � - 1 ll��,_ j __L1�J-, ) 111C. �I
5 Pinewood Plaza Drive — P.O. Box 1056
Granite Falls, NC 28630
Phone [phone] -- Fax [phone]
CLIENT: Corning Cable Systems-TC Pit PHONE NUMBER: 828-327-5000
c/o Steve Street TYPE SAMPLE: Stormwater
P.O Box 489 No. LOCATIONS: 6
Hickory, NC 28603-0489 SAMPLER NAME: rj Crec+
Sample Collection
Information
TYPE
CONTAINERS
ANALYSIS REQUIRED
Sample Location
FacilityName
DATE
TIME
TEMP. °C
Grab/
Composite
No
Plastic/
Glass
Discharge 001
Ial«11'3
p r�s `
f
Grab
3
Plastic/
Glass
TSS, Oil & Gr., Lead, Copper, Zinc
Discharge 002
�a11�1�13
r
�,G$F
Grab
3
Plastic/
Glass
TSS, Oil & Gr., Lead, Copper, Zinc
Discharge 003
/2 /14+ 3
�,1 �} c
Grab
3
Plastic/
Glass
TSS, Oil & Gr., Lead, Copper, Zinc
005 Discharge
g
Grab
Grab
3
Plastic/
Glass
TSS, Oil & Gr., Lead, Copper, Zinc
pp
Discharge 006
4.'33
Grab
3
Plastic/
Glass
TSS, Oil & Gr., Lead, Copper, Zinc
Discharge 001
/2'1YI13
9, .20
Grab
3
Plastic/
Glass
TSS, Oil & Gr., Lead, Copper, Zinc
Relinquished By:
Date:
1�111r3
Time:
/6,07,L
Recieved By;
Date:
I�0.113
Time:
�0-o7aw�
Re�uished By:
Date: +L
Time:
me:
Rec ved
Date:
Time:
0�g-J
PRESERVAU
TION:
[,]-Cool 40C
[I-12SO4
(] NaOH
£] HNO3
[] Dechlornating Agent
(] Other
,SAMPLE TEMP. @ LAB (°C) i `a
Chlorine Residual mg/I
u
NC CERTIFIED LAB # 50