NCS000009_MONITORING INFO_20181008

------------'STORMWATER-DIVISION--CODING SHEET -"-- --'------
PERMIT NO.
ocio
DOC TYPE
❑ FINAL PERMIT
9 MONITORING INFO
❑ APPLICATION
❑ COMPLIANCE
❑ OTHER
DOC DATE
(oo
YYYYMMDD

September 28, 2018
Central Files
Division of Water Quality
1617 Mail Service Center
Raleigh, NC 27699-161735
GSGLGROUP
THE CARBON COMPANY
RFr%,FBk1; IEIE E
BEST SOLUTIONS
OCT U 8 2018
. tN, KAL FIDE:
DWR SECTION
Re: Storm water Discharge Outfall Monitoring Report (DMR): Year 10, Period 1, Sample 19
SGL Carbon, LLC (Burke County)
Individual Permit Number NCS000009
Sir/Madam:
Respectfully submitted is the enclosed original and one copy of the Stormwater Discharge Outfall
Monitoring Report for SGL Carbon, LLC under Individual Permit Number NCS000009. This submission is
for stormwater sampling during Year 10, Period 1, Sample Number 19 (March 1, 2015 — August 31, 2015)
as outlined in Part il, Section B of our permit.
We were unable to collect a sample as required by our permit. We have not experienced a qualifying
rainfall event, when staffing was available. We will sample the next qualifying rain event and submit
samples in accordance with the permit requirements.
If there are any questions or comments regarding this report please contact me at 828 432-5774
Sincerely,
�G}wL
J. Dean Ahrens
Environmental Manager
SGL Carbon, LLC, Morganton, NC
Attachment
SGL Carbon, LLC
307 Jamestown Road
Morganton, NC 28655
Sglcarbon.com
DC2 confidential - (AHRENSJE)
Phone: [phone]
Fax: [phone]

A, 07
NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
For guidance on filling out this form, please visit: littp://portil,ncdetir.on,/NN,eb/wq/ws/sLi/tipde,,;sNN-#tib-4
Permit No.: N/C/S /0 /0 /0 /0 / 0/9 / or Certificate of Coverage No.: N/C/G/ I I 1 1 I I
Facility Name: SGL Carbon LLC
County: Burke Phone No. _(828) 432-5774_
Inspector: SGL Lab Personnel
Date of Inspection: Unable to sample qualifying rainfall event
Time of Inspection: _
Total Event Precipitation (inches): NA
Was this a Representative Storm Event? (See information below) Yes No
Please check your permit to verify if Qualilalive Monitoring must be performed during a representative storm event
(requirements vary).
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.
By this signature, I cer�fy that tl k report i�,accyrate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
1. Outfall Description:
Outfall No. SDO-001 Structure (pipe, ditch, etc.) Pipe
Receiving Stream: Silver Creek _
Describe the industrial activities that occur within the outfall drainage area: Manufacturing, material
transfers loadin & unloading,maintenance activities & parkin&
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: NA
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil, weak
chlorine odor, etc.): NA
Page 1 of 2
SWU-242-20120613

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
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 storrriwater discharge? Yes No
9. is there evidence of erosion or deposition at the outfall? Yes No
14. Other Obvious Indicators of Stormwater Pollution:
List and describe No sample was collected during this period due to the inability to capture a qualifying
facility rainfall event. The did not have a qualifying event when personnel were available to collect the
sample. A sample will be collected at the next qualifying rainfall 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
5 WU-242-20120613

a
GSGL GROUP
THE CARBON COMPANY
BROAD BASE
BEST SOLUTIONS
February 12, 2018
Central Files
Division of Water Quality
1617 Mail Service Center
Raleigh, NC 27699-161735
Re: Storm water Discharge Outfall Monitoring Report (DMR): Year 9 Period 2 Sample 18
SGL Carbon, LLC (Burke County)
Individual Permit Number NCS000009
Sir/Madam:
Respectfully submitted are the enclosed original and one copy of the Quantitative and Qualitative
Stormwater Discharge Outfall Monitoring Reports for SGL Carbon, LLC under Individual Permit Number
NCS000009. This submission is for stormwater sampling during Year 9, Period 2, Sample Number 18
(September 1, 2017 — February 28, 2018) as outlined in Part II, Section B of our permit. All sample
analytical results were below benchmark values and/or within benchmark ranges. No issues were noted
on the visual inspection.
If there are any questions or comments regarding this report please contact me at 828 432-5773,
Sincerely,
Billy M. Thompson, Jr.
Environmental Manager
SGL Carbon, LLC, Morganton, NC
Attachment
-
1---1VED
FEB 21 2018
C&N7-j-cfti_1LE5
CAR SFC7jON
SGL Carbon, LLC
307 Jamestown Road
Morganton, NC 28655
Sglcarbon.com
Phone: [phone]
Fax: [phone]

ON
�0
sJa
NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
For guidance on filling out this form, please visit: http://portal.ncdenr.org/web/wq/wsIsu/npdessw#tab-4
Permit No.: N/CIS /0 /0 /0 /0 / 0191 or Certificate of Coverage No.: N/C/GI 1 I I 1 I l
Facility Name: SGL Carbon, LLC _
County: Burke _ Phone No. [phone]_
Inspector: Jeff Woodruff
Date of Inspection: 01/11/2018
Time of Inspection: 15:10 PM
Total Event Precipitation (inches): _0.60
Was this a Representative Storm Event? (See information below Ye)No
Please check your permit to verify if Qualitative Monitoring must be performed during a representative storm event
(requirements vary).
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.
By this signa re, I certify that this report is accurate and complete to the best of my knowledge:
IVUL�41
(Signature of Permittee or Designee)
1. Out -fall Description:
Outfall No. SDO-001
Structure (pipe, ditch, etc.) Pipe
Receiving Stream: Silver Creek
Describe the industrial activities that occur within the outfall drainage area: Manufacturing, material
transfers, loading & unloading, maintenance activities, &-parking.
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: light grey
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil, weak
chlorine odor, etc.): light
S W U-242-20120613
Page t of 2

4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is clear
and 5 is very cloudy:
lO 2 3 4 5
5. Floating Solids: Choose the number which best describes the amount of floating solids in the
storm water discharge, where l is no solids and 5 is the surface covered with floating solids:
2 3 4 5
6. Suspended Solids: Choose th number which best describes the amount of suspended solids in the
stormwater discharge, where I is no solids and 5 is extremely muddy:
lO 2 3 4 5
7. Is there any foam in the stortnwater discharge? Yes No
8. Is there an oil sheen in the stormwatcr discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution:
List and describe None
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
5 W U-242-20120613

STORMWATER DISCHARGE OUTFALL (SDO)
MONITORING REPORT
Permit Number NCS 000009
FACILITY NAME SGL Carbon, LLC
PERSON COLLECTING SAMPLE(S) _Jeffery Alan Woodruff
CERTIFIED LABORATORY(S) SGL Carbon, LLC Lab # 609
Lab #
Part A: Specific Monitoring Requirements
SAMPLES COLLECTED DURING CALENDAR YEAR: 2018
(This monitoring report shall be received by the Division no later than 30 days from
the date the facility receives the sampling results from the laboratory.)
COUNTY Burke
PRONE NO. { 82g } 432 - 5773
SIGNATURE OF PERMITTEE OR DESIGNEE
REQUIRED ON PAGE 2.
Outfall
Date
50050
No.
Sample
Collected
'Total
Flow (if app.)
Total
Rainfall
'Total
Suspended
Solids (TSS)
COD
pH
mo/dd/yr
MG
inches
m /L
m /L
Units
Benchmark
-
-
-
100
120
6-9
S DO-001
01 / 11 / 18
NA
0.60
<5
20
7.2
P
va
_
CENIKA
ILES
'Vv1 < 5t:u i IUN
Does this facility perform Vehicle Maintenance Activities using more than 55 gallons of new motor oil per month? x yes _no
(if yes, complete Part B)
Part B: Vehicle Maintenance Activity Monitoring Requirements
Outfall
Date
50050
00556
00530
00400
'Total Flow
Total
Oil & Grease
Non -polar
'Total
pH
New Motor
No.
Sample
Collected
(if applicable)
Rainfall
(if appl.)
O&C/TPH
Suspended
Oil Usage
(Method 1664
Solids
SG'T-IIEM), if
appl.
molddl r
MG
inches
mg/1
m /l
unit
al/mo
Benchmark
6-9
SDO-001
01/11/18
NA
0.6
<5
NA
<5
7.2
55
Form SWU-247, last revised 21212012
Page I of 2

STORAI EVENT CHARACTERISTICS:
Date 01/11/2018
Total Event Precipitation (inches): 0.60
Event Duration (hours): (only if applicable — see permit.)
(if more than one storm event was sampled)
Date
Total Event Precipitation (inches):
Event Duration (hours): (only if applicable — see permit.)
Mail Original and one copy to:
Division of Water Quality
Attn: Central Files
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
"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 imprjsonment for knowing violations."
(Signature of Permittee)
2It Is It �
(Date)
Form SWU-247, last revised 21212012
Page 2 of 2

STORiNINVATER DISCHARGE OUTFALI., (SDO)
MONITORING REPORT
Permit Number NCS 000009
FACILITY NAME SGL Carbon, LI,C
PERSON COLLECTING SANIPLE(S) Jeffery Alan Woodruff
CERTIFIED LABORATORY(S) SCL Carbon, LLC Lab # 609
Lab #
Part A: Specific Monitoring Requirements
SAMPLES COLLECTED DURING CALENDAR YEAR: 2017
(This monitoring report shall be received by the Division no later than 30 days from
the date the facility receives the sampling results from the laboratory.)
COUNTY Burke
PHONE NO. S( 2R) 432 - 5773
Ft-
NA'I'URE OF PERMITTEE OR DESIGNEE
OUIRED ON PAGE 2.
Outfall
Date
50056
No.
Sample
Collected
'Total
Flow (if app.)
Total
Rainfall
Total
Suspended
Solids (TSS)
COD
Of
mo/dd/yr
MG
inches
m IL
m /l,
Units
Benchmark
-
-
-
100
120
6-9
SDO-001
02/22/ 17
NA
0.22
<5
20
7.6
MAR G 'U7
ems_ 11L
l
Does this facility perform Vehicle Maintenance Activities using more than 55 gallons of new motor oil per month? x_ yes _no
(if yes, complete Part B)
Part B: Vehicle Maintenance Activity Monitoring Requirements
Outfall
Date
50050
00556
00530
00400
Total Flory
Total
Oil & Grease
Non -polar
Total
PH
New illotor
No.
Sample
Collected
(if applicable)
Rainfall
(if appl.)
O&G/TPII
Suspended
Oil Usage
(IN-lethod 1664
Solids
SGT-HELM), if
appl.
mo/dd/vr
N1lG
inches
m /l
m /l
unit
al/no
Benchmark
6-9
SDO-001
02/22/17
NA
0.22
7.6
NA
<5
7.6
55
Form SWU-247, last remised 21212012
Page 1 of 2

STORM EVENT CHARACTERISTICS:
Date 05/22/2017
Total Event Precipitation (inches): 0.22
Event Duration (hours): (only if applicable — see permit.)
(if mare than one storm event was sampled)
Date
Total Event Precipitation (inches):
Event Duration (hours): (only 11'applicable — see permit.)
Alail Original and one coPy to:
Division of Water Quality
Attn: Central Files
1617 Mail Sen-ice Center
Raleigh, North Carolina 27699-1617
"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�yr�
(Date)
Form SWU-247, last remised 21212012
Page 2 of 2

�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/npdessw#tab-4
Permit No.: NICIS 1010 /0 101019 / or Certificate of Coverage No.: NICIGI 1 1 1 1 1 1
Facility Name: SGL Carbon, LLC
County: Burke Phone No. [phone]
Inspector: Jeff Woodruff
Date of Inspection: 02/22/2017
Time of Inspection: 10:09 AM
Total Event Precipitation (inches): 0.22
Was this a Representative Storm Event? (See information below) Yes No
Please check your permit to verify if Qualitative Monitoring must be performed during a representative storm
event (requirements vary).
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.
By this signature, I certify that thi report is ac urate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
1. Outfall Description:
Outfall No. SDO-001 Structure (pipe, ditch, etc.) Pipe
Receiving Stream: Silver Creek
Describe the industrial activities that occur within the outfall drainage area: Manufacturing, material
transfers loading & unloading, maintenance activities & parking.
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: clear
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil, weak
chlorine odor, etc.): Chlorine
Page 1 of 2
5WU-242-20120613

0
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is clear
and 5 is very cloudy:
O 2 3 4 5
5. Floating Solids: Choose the number which best describes the amount of floating solids in the
storm water discharge, where 1 is no solids and 5 is the surface covered with floating solids:
O 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:
O 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:
List and describe None
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosionldeposition may be
indicative of pollutant exposure. These conditions warrant further investigation.
Page 2 of 2
S W U-242-20120613

SGL GROUP
THE CARBON COMPANY
BROAD BASE
October 13, 2017
Central Files
Division of Water Quality
1617 Mail Service Center
Raleigh, NC 27699-161735
BEST SOLUTIONS
Re: Storm water Discharge Outfall Monitoring Report (DMR): Year 9 Period 1 Sample 17
SGL Carbon, LLC (Burke County)
Individual Permit Number NCS000009
l��lIT, FT'"31A
Respectfully submitted are the enclosed original and one copy of the Quantitative and Qualitative
Stormwater Discharge Outfall Monitoring Reports for SGL Carbon, LLC under Individual Permit Number
NCS000009. This submission is for stormwater sampling during Year 9, Period 1, Sample Number 17
(March 1, 2017 — August 31, 2017) as outlined in Part II, Section B of our permit. All sample analytical
results were below benchmark values and/or within benchmark ranges. No issues were noted on the
visual inspection.
If there are any questions or comments regarding this report please contact me at 828 432-5773.
Sincerely,
Billy M. Thompson, Jr.
Environmental Manager
SGL Carbon, LLC, Morganton, NC
Attachment
SGL Carbon, LLC
307 Jamestown Road
Morganton, NC 28655
Sglcarbon.com
Phone: [phone]
Fax: [phone]

STORNINVATER DISCHARGE OUTFALL (SDO)
.MONITORING REPORT
Permit Number NCS 000009
FACILITY NAME SGL Carbon LLC
PERSON COLLECTING SAMPLES) _Jeffery Alan Woodruff
CERTIFIED LABORATORV(S) _ SGL Carbon, LLC Lab # 609
Lab #
Part A: Specific Monitoring Requirements
SAMPLES COLLECTED DURING CALENDAR PEAR: 2017
('Phis monitoring report shall be received by the Division no later than 30 days from
the date the facility receives the sampling results from the laboratory.)
COUNTY Burke
PHONE NO. 8f 2g) 432 - 5773
SIGNATURE OF PERMITTEE OR DESIGNEE
REQUIRED ON PAGE 2.
Outfall
No.
Date
Sample
Collected
50050
'Total
Flow (if app.)
Total
Rainfall
Total
Suspended
Solids (TSS)
COD
pll
mo/dd/yr
MG
inches
m /L
m /L
Units
Benchmark
-
-
-
100
120
6-9
SDO-001
08/29/17
NA
0.34
<5
<20
7.4
1�Iw"
! I V LZL.J
.j
JY
V .. �VII
C:�tti"F�
fo mi izc
Does this facility perform Vehicle Maintenance Activities using more than 55 gallons of new motor oil per month'? x yes _no
(if yes, complete Part B)
Part B: Vehicle Maintenance Activitv Monitorinp- Requirements
Outfall
Date
50050
00556 •
00530
00400
Total Flow
Total
Oil & Grease
Non -polar
Total
pH
New Motor
No.
Sample
Collected
(if applicable)
Rainfall
(if appl.)
O&G/TPH
Suspended
Oil Usage
(Method 1664
Solids
SGT-IIEM); if
appl.
moldd/yr
MG
inches
m /l
m IL
unit
al/mo
Benchmark
6-9
SDO-001
08/29/17
NA
0.34
<5
NA
<5
7.4
55
Form SWU-247, last revised 21212012
Page l of 2

STORM EVENT CHARACTERISTICS:
Date 08/29/2017
Total Event Precipitation (inches): 0.34
Event Duration (hours): (only if applicable — see permit.)
(if more than one storm event was sampled)
Date
Total Event Precipitation (inches):
Event Duration (hours): (only if applicable — see permit.)
Mail Original and one copy to:
Division of Water Quality
Attn: Central Files
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
"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)
Form SWU-247, last revised 21212012
Page 2 of 2

r�
NC®ENft
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
For guidance on filling out this farm, please visit: http://portal.ncdenr.org/web/wq/ws/su/npdess�,v#tab-4
Permit No.: N/CIS /0 /0 /0 /0 / 0/9 / or Certificate of Coverage No.: N/C/G/ I I 1 I 1 I
Facility Name: SGL Carbon LLC
County: Burke Phone No. (828) 32-5773
Inspector: Jeff Woodruff
Date of Inspection: 08/29/2017
Time of Inspection: _09:46 AM_
Total Event Precipitation (inches): _0.34
Was this a Representative Storm Event? (See information below)(Yes No
Please check your permii to verify if Qualitative Monitoring must be performed during a representative storm event
(requirements vary).
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 Q 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.
By this signature, I,.certify that this reports ac�mrate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
1. Outfall Description:
Outfall No. SDO-001
Structure (pipe, ditch, etc.) Pipe
Receiving Stream: _Silver Creek
Describe the industrial activities that occur within the outfall drainage area: Manufacturing, material
transfers, loading & unloading;, maintenance activities, & parking.
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: clear
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil, weak
chlorine odor, etc.): none
Page I of 2
S W U-242-20120613

4. Clarity: Choose the number which best describes the clarity of the discharge, where I is clear
and 5 is very cloudy:
lO 2 3 4 5
5. Floating Solids: Choose the number which best describes the amount of floating solids in the
storm water discharge, where I is no solids and 5 is the surface covered with floating solids:
2 3 4 5
6. Suspended Solids: Choose 0hilurnber which best describes the amount of suspended solids in the
stortnwater discharge, where 1 is no solids and 5 is extremely muddy:
lO 2 3 4 5
7. Is there any foam in the stormwater discharge? Yes e
8. Is there an oil sheen in the storrnwater discharge? Yes No O
9. Is there evidence of erosion or deposition at the outfall? Yes No 0
10. Other Obvious Indicators of Stormwater Pollution:
List and describe None
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
S W U 242 20120613

Permit Number NCS 000009
STOWNINVATER DISCHARGE OUTFALL (SD
XIO``I TORING REPORT FILE
SAMPLES COLLECTED DURING CAL--LNDAR )'EA'R: _2016
(]'his monitoring report shall be received by the Division no later than 30 days from
the date the facility receives the sampling results from the laboratory.)
FACILITY NAME SGI. Carbon, LLC COUNT)' Burke
PERSON COLLECTING SAMPLE(S) Jeffery Alan Woodruff PHONE NO. S( 28) 432 - 5773
CERTIFIED LABORATORY(S) SGL Carbon LLC Lab # 609
Lab #
SIGNATURE OF PERMITTEE OR DESIGNEE
,I(/V 2 REQUIRED ON PAGE 2.
Part A: Specific monitoring Requirements ,r 8 Z016
Outfall
Date
50050
. "�
'- E
IN0.
Sample
Collected
Total
Flow (if app.)
Total
Rainfall
Total
Suspended
Solids (TSS)
ON)
pH
mo/dd/ yr
MG
inches
m /L
nt g/L
Units
Benchmark
-
-
-
100
120
6-9
SDO-001
05/17/2016
NA
0.13
6.1
20
6.8
Does this facility perform Vehicle Maintenance Activities using more than 55 gallons of new motor oil per month? x yes _no
(if yes, complete Part 13)
Part B: Vehicle Maintenance Activity Monitoring Requirements
Outfall
Date
50050
00556
00530
00400
Total Flory
Total
Oil & Grease
Non -polar
Total
pH
New,Nlotor
No.
Sample
Collected
(if applicable)
Rainfall
(if appl.)
O&G/TPII
Suspended
Oil Usage
(Nlethod 1664
Solids
SGT-ITEM), if
appl.
moldd/vr
11G
inches
m /l
m /1
unit
gal/mo
Benchmark
16-9
SDO-001
05/17/2016
NA
0.13
<S
1 NA
6.1
6.8
55
Form SWU-247, last remi.svd 1212012
Page 1 of 2

STORM EVE`T CHARACTERISTICS:
Date 05/17/2016
Total Event Precipitation (inches): 0.13
Event Duration (hours): (only if applicable — see pennit.)
(if more than one storm event was sampled)
Date
Total Event Precipitation (inches):
Event Duration (hours): (only if applicable — see permit.)
Mail Original and one copy to:
Division of Water Quality
Attn: Central Files
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
"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)
1 7-i(5
(Date)
Form S W U-247, last revised 21212012
Page 2 of 2

NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
For guidance on filling out this form, please visit: http:l/portal.ncdenr.org/web/wq/ws/su/npdessw#tab-4
Permit No.: NIC/S /0 /0 /0 /0 / 0/9 / or Certificate of Coverage No.: N/C/G/ 1 1 1 1 1 1
Facility Name: SGL Carbon LLC
County: Burke Phone No. [phone]
Inspector: Jeff Woodruff
Date of Inspection: 5/17/2016
Time of Inspection: 11:02 AM
Total Event Precipitation (inches): 0.13
Was this a Representative Storm Event? (See information below) Yes No
Please check your permit to verify if Qualitative Monitoring must be performed during a representative storm
event (requirements vary).
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.
By this signature, I certify that this report is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
1. Outfall Description:
Outfall No. SDO-001 Structure (pipe, ditch, etc.) Pipe
Receiving Stream: Silver Creek
Describe the industrial activities that occur within the outfall drainage area: Manufacturing, material
transfers, loading & unloading, maintenance activities, & parking_
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: clear
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil, weak
chlorine odor, etc.): Chlorine
Page 1 of 2
S W U-242-20120613

4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is clear
and 5 is very cloudy:
O 2 3 4 5
5. Floating Solids: Choose the number which best describes the amount of floating solids in the
storm water discharge, where 1 is no solids and 5 is the surface covered with floating solids:
O 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:
O 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:
List and describe None
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
S W U-242-201206 1 3

SGL GROUP
THE CARBON COMPANY
RECEIVED
JUN 2 8 (dib BROAD BASE
BEST SOLUTIONS
June 16, 2016 CENTRAL FILES
DWR SECTION
Central Files
Division of Water Quality
1617 Mail Service Center
Raleigh, NC 27699-161735
Re: Storm water Discharge Outfall Monitoring Report (DMR): Year 8, Period 1 Sample 15
SGL Carbon, LLC (Burke County)
Individual Permit Number NCS000009
Sir/Madam:
Respectfully submitted are the enclosed original and one copy of the Quantitative and Qualitative
Stormwater Discharge Outfall Monitoring Reports for SGL Carbon, LLC under Individual Permit Number
NCS000009. This submission is for stormwater sampling during Year 7, Period 2, Sample Number 14
(February 28, 2016 — August 31, 2016) as outlined in Part II, Section B of our permit. All sample
analytical results were below benchmark values and/or within benchmark ranges. No issues were noted
on the visual inspection.
If there are any questions or comments regarding this report please contact me at 828 432-5773.
Sincerely,
Billy M. Thompson, Jr.
Environmental Manager
SGL Carbon, LLC, Morganton, NC
Attachment
SGL Carbon, LLC
307 Jamestown Road
Morganton, NC 28655
Sgfcarbon.com
Phone: [phone]
Fax: [phone]

10"
an"M
STORNINVATER DISCHARGE OUTFALL (SDO) r�
tNIONITORING REPORT
Permit Number NCS 000009
FACILITY NAME: SGI. Carbon, LLC
PERSON COLLECTING SA,IIPLE(S) Jeffery Alan Woodruff
CERTIFIED LABORATORY(S) SG1., Carbon, LLC Lab # 609
Lab #
Part A: Specific Monitoring Regtiirentents
SAMPLES COLLECTED DURING CALENDAR YEAR: 2015
(This monitoring report shall be received by the Division no later than 30 days
the date the facility receives the sampling results from the laboratory.)
COUNTY Burke ■RAIC
PHONE NO. 8(_ 28) 432 - 5773
F
NATURE OF PERI� rrrEE OR DESIGNEE
QUIRED ON PAGE 2.
Outfall-
Date
50050
No.
Sample
Collected
Total
if p (...
Flow a .p..
)
:.Total ::'.
Rainfall ``
Total.,_
Sus P ended ,
Solids TSS
COD '..
PH'.
mo/dd/ r
MG
inches::
; ',m /L .::
m /L
Units
Benchmark
-
-
-
100
120
6-9
SDO-001
01/23/2015
NA
1.03
18.3
20
6.8
Does this facility perform Vehicle Maintenance Activities using more than 55 gallons of new motor oil per month? _x ves _no
(if yes, complete Part B)
Part B: Vehicle iNlaintenance Activitv ,Monitoring Requirements
Outfall :.:;
;Date
50050 :. .. �:;:..:_
..
00556t�• .:.
00530
00400
Total FIorr
Total"' � � �
Oil &Grease
Non -polar
Total
pH
New illotor
1\o
Sariiple
Collected , „
if a ticable
{ PP )
Rainfall =: `'
f a 1
( pp)
O&GITPII ; .
1664
Stis ended :-
p
Solids
Oil Usa e
g
(iVieth'od
SGT-HEi41), tf
�.
.y
w•.
a 1. Z
molddlvt
MG
inches f
to /l
-
-m /l
unit
gaUrno
Benchmark
6-9
SDO-001
02/23/2015
NA
1.03
2.3
NA
18.3
6.8
55
Fortn SWU-247, lust remised 21212012
Page I of 2

STORM EVENTCHARACTERISTICS:
Date 01/23/2015
Total Event Precipitation (inches): 1.03
Event Duration (hours): (only it'applicable — see pennit.)
(if more than one storm event was sampled)
Date
Total Event Precipitation (inches):
Event Duration (hours): (only if applicable — see permit.)
Mail Original and one coPy to:
Division of Water Quality
Atm: Central Files
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
"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 inquire 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 tines and imprisonment for knowing violations."
(Signature of Permittee)
(Date)
Form SWU-247, Iasi revised 21212012
Page 2 of 2

February 24, 2015
Central Files
Division of Water Quality
1617 Mail Service Center
Raleigh, NC 27699-161735
RECEIVED
MAR 0 5 2015
CENTRAL FILES
DWR SECTION
SGL GROUP
THE CARBON COMPANY
BROAD BASE
BEST SOLUTIONS
Re: Storm water Discharge Outfall Monitoring Report (DMR): Year 6, Period 2, Sample 12
SGL Carbon, LLC (Burke County)
Individual Permit Number NCS000009
Sir/Madam:
Respectfully submitted are the enclosed original and one copy of the Quantitative and Qualitative
Stormwater Discharge Outfall Monitoring Reports for SGL Carbon, LLC under Individual Permit Number
NCS000009. This submission is for stormwater sampling during Year 6, Period 2, Sample Number 12
(September 1, 2014 — February 28, 2015) as outlined in Part II, Section B of our permit. All sample
analytical results were below benchmark values and/or within benchmark ranges. No issues were noted
on the visual inspection.
If there are any questions or comments regarding this report please contact me at 828 432-5773.
Sincerely,
Billy M. Thompson, Jr.
Environmental Manager
SGL Carbon, LLC, Morganton, NC
Attachment
SGL Carbon, LLC
307 Jamestown Road
Morganton, NC 28655
Sglcarbon.com
Phone: [phone]
Fax: [phone]

SGL CARBON, LLC
BU CG NA CENTRAL CORPORATE LABORATORY
MORGANTON, NC 28655
Morganton 2014 Stormwater Report #2
Report # SGL SWO12315
REPORT TO: Billy Thompson
EVENT 01/23/15 Event Start: 7:30AM 0.10 inches of rain achieved at 9:43AM
Event Total 1.03 inches
DATE RECEIVED: 01/23/15
REPORT DATE:
SAMPLE DATE: TSS, Oil and Grease, COD 01123/15 10:53AM
PH and Visual Clarity 01/23/15 11:08AM
SAMPLE ID: SGL SW-02-2014
Parameter Result MQL
TSS
18.3 5.3
Oil & Grease 2.3 1
PH 6.8 @ 10.9°C 0.01
Units Method Analysis Analysis Analyst
Time Date
mgll STD Meth 2540 D 3:10 PM 01/29/15 KCJ
mg/1 SM 19 5520E 2:46PM 01/29/15 KCJ
SU STD Meth 4500-H B 02:28PM 01/23/15 JAW
COD * 20 mgll SM 19 195520D NIA 02/20/15 WQ
Wastewater Supervisor W
Data Qualifiers
* Below Minimum Quantification Limit (MQL)
HT Out of hold time.
NP Not properly preserved.
NC Wastewater Lab ID# 609

STORMWATER SDO VISUAL MONITORING
Frequency: Two Times Per Year
(Once in Spring (April -June) and once in Full (September -November)
Note: Does not have to he during a representative storm event.
VISUAL MONITORING FOR YEAR: 2014 (spring 818114 2:28pm)
Stormwater Discharge
Characteristics
Date
Time
Observation
Comments
Color
8/8/2014
11:16AM
None
Odor
8/8/2014
1 1:16AM
Yes
light Chlorine odor
Clarity
8/8/2014
11:16AM
Clear
Floating Solids
8/8/2014
11:16AM
Few
< 10
Suspended Solids
8/8/2014
1 1:16AM
None
Foam
8/8/2014
11:16AM
None
Oil Sheen
8/8/2014
l 1:16AM
None
Erosion/Deposition
8/8/2014
11:16AM
None
Other obvious
indicators of stormwater
ollution
8/8/2014
TI 1:16AM
None
* At outlall
.Signature:
VISUAL MONITORING FOR YEAR: 2014 (fall 1/23/15 11:08AM)
Stormwater Discharge
Characteristics
Date
Time
Observation
Comments
Color
1/23/2015
11:20AM-
very light Gre
Odor
1/23/2015
11:20AM
Yes
light Chlorine odor
Clarity
1/23/2015
11:20AM
Clear
Floating Solids
1/23/2015
11:20AM
None
None Visible size
Suspended Solids
1/23/2015
11:20AM
None
Foam
1/23/2015
11:20AM
None
Oil Sheen
1/23/2015
11:20AM
None
ErosionlDe osition*
1/23/2015
11:20AM
None
Other obvious
indicators of stormwater
ollution
1/23/2015
1 1:20AM
None
* At outfall
Signature: G
FASharealkStormwater Form slStormwater SDS Visual Monitoring Form

Blue Ridge Labs
PO Box 2940
Lenoir, NC 28645
828-728-0149
Client :
SGL Carbon Group
307 Jamestown Road
Morganton, N. C. 28655
Attention:
Mr. Jeff' Woodruff
Date Received:
23-.Ian-15
Report Date:
23-Feb-15
Sample Date:
23-Jan-15
BRL 0:
BRL-2015-0045
Lab Sample ID:
LSID-2015-00217
Client Sample 11):
SGL SW-02-2014
Parameter Result MQL
TSS 18.3 5.3
blueridgela [e-mail]
Unit Method
rng/1 SM 19 2540D
Analysis Analysis
Time Date Analyst
15:10 1/29/2015 KCJ
Reported By:J.
nso�D.R.essinger
Concentrations are Quantification Limit except where noted.
NC Laboratory Certificate No. 275
Page I of 3

Blue Ridge Labs
PO Box 2940
Lenoir, NC 28645
828-72MI49
Client:
SGL Carbon Group
307 Jamestown Road
Morganton, N. C. 28655
Attention:
Mr. Jeff Woodruff
Date Received:
23-Jan-15
Report Date:
23-Feb-I5
Sample Dale:
23-Jan-15
BRL #:
13RL-2015-0045
Lab Sample ID:
1_SID-2015-00218
Client Sample ID:
SGI, SW-02-2014
Parameter
Result MQL
Fats, Oil & Grease
2.3 1
Reported By:
blueridgela [e-mail]
Unit Method
mgll SM 19 5520B
Analysis Analysis
Time Date Analyst
14:46 1 /29/2015 KCJ
Johnson, D.R. Wessinger
* Concentrations are b Minimum Quantification Limit except where noted.
NC Laboratory Certificate No. 275
Page 2 of 3

Blue Ridge Labs
PO Box 2940
Lenoir, NC 28645
828-728-0149
Client :
SGI. Carbon Group
307 Jamestown Road
Morganton, N. C. 28655
Attention:
Mr. Jeff Woodruff
Date Received:
23-Jan-15
Report Date:
23-Feb-15
Sample Date:
23-Jan-15
BRL #:
RRI -201 5-0045
Lab Sample Ill:
LSO-2015-00219
Client Sample ID:
SGL SW-02-2014
[e-mail]
Parameter Result MQL Unit Method
COD 20 mg/I SM 5220D
Reported By:
Analysis Analysis
Time Date Analyst
2/20/2015 WtrQtly
Ilohnson, D.R. Wessinger
* Concentrations are bV16,, Minimum Quantification Limit except where noted.
NC Laboratory Certificate no. 275
Page 3 of 3

WATER QUALITY LAB & OPERATIONS, INC.
P.O FOX 1167
BANNER ELK, NG 28504
[phone]
CLIENT: SLUE RIDGE LABS
ADDRESS: P.O. SGX 29-10
CITY: LENOIR
STATE: NC ZIF 28645
ID#.
LOGIN TIME:
ShMPLER;
RECEIVED DATE:
REPORTED DATE: 23-Feb-15
ANALYSIS;:,;:;::;
:•.
1Siq•#:
.. .. ..::
ANALYSIS,:'MQL's:;
RESUL'iS. .. • ..
:]UNLIT$,:
:.:
;SAMF��F;:
LQCATION
ANA6Y§la,
::':DATE .':.
3N>;; ;
'
_.
COD
2.19
20 20
_ T
i.1GIL
20-Feb-15
PI
CC7D
I 223
1820
I
20
10GIL
2u--Feb-15
PI
D
3�*'
2_10
24
FviC41L
20•Fob-15,
PI
C}L7
36M
GO
20
MGrl_
20-FG"- 151
PI
uOD
37E,
w0
20
I MG/L
i
20 Fe -15
PI
COD
'f
1620
20
Pilrrl_
20-Feb-15
PI
REPORTED 2 )": NC CERTIFIED LA-; � 544
PAUL 1SENHOUR, SUPERVISOR

SGL Carbon, LLC
Chain of Custody Record
307 Jamestown Road
Morganton, NC 28655
Client _SGL Carbon LLC
Adress 307 Jamestown Road Morganton, NC 28655
Attention Jeffrey Alan Woodruff
If Composite?
Sampler (Signature) 4�0� A— 1, I J k/
Sample ID
Date
Time
Date
Time
Type Co rG
# of Conts.
Tests Requested
lcedTem ?
SGL SW-02-2014
1/23/2015
10:54 AM
G
1
TSS
None
SGL SW-02-2014
1/2312015
10:53 AM
G
1
Oil and Grease
HCL < 2
SGL SW-02-2014
1/23/2015
10:54 AM
G
1
COD
H2SO4 < 2
Event Start: 7:30AM
Total Event: 1.031/
Event Thresold: 0.10 inches 9:43AM
Results for Regulatory Purposes
Yes No
Relinquished By Date Time R eived By Date Tiime
Qu- (,(�daa�►�/%' l%a3115 11:90AM 119311s 11: ace
Re inquished By Date Time Rec d Date Tiime
Re inquished By Ilate Time eceived By I Datb Tiime
Method of Shipment: UPS Fed Ex Hand Delivery Other

}
SGL Carbon, LLC
Chain of Custody Record
307 Jamestown Road
Morganton, NC 28655
1
Client SGL Carbon LLC
Adress 307 Jamestown Road Morganton, NC 28655
Attention Jeffrex Alan Woodruff
If Com site?
Sampler (Signature) 94i'P'dA' tj�
Sample ID
Date
Time
Date
Time
Type CorG
# of Conts.
Tests R29uested
IcedTem ?
SGL SW-02-2014
1/23/2015
11:08 AM
G
1
pH
None
SGL SW-02-2014
1/23/2015
11:08 AM
G
1
Visual Clairi
None
Event Start: 7:30AM Event Thresold: 0.10 inches 9:43AM
Total Event: Results for Regulatory Purposes
Relin hed By Date Time Received By Date Tiime
Relinquished By Date Time Received By Date Tiime
Relinquished By
Date Time Received By
Method of Shipment: UPS Fed Ex Hand Delivery Other
Date Tiime
Yes No

A77"AA
NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
For guidance on filling out this form, please visit: http:/lportal.ncdenr.org/web/wq/ws/su/npdessw#tab-4
Permit No.: NICIS 1010101010/91 or Certificate of Coverage No.: NICIGI 1 1 I 1 1 1
Facility Name: SGL Carbon, LLC
County: Burke Phone No. [phone]
Inspector: Jeff Woodruff
Date of Inspection: January 23, 2015
Time of Inspection: 11:20 AM
Total Event Precipitation (inches): 1.03
Was this a Representative Storm Event? (See information below) Yes No
Please check your permit to verify if Qualitative Monitoring must be performed during a representative storm
event (requirements vary).
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.
By this signature, I certify that this report is accurate and complete to the best of my knowledge:
6� ze
(Signature of Permittee or Designee)
1. Outfall Description:
Outfall No. SDO-001 Structure (pipe, ditch, etc.) Pipe
Receiving Stream: Silver Creek
Describe the industrial activities that occur within the outfall drainage area: Manufacturing, material
transfers, loading & unloading, maintenance activities, & parking.
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: very light grey
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil, weak
chlorine odor, etc.): Yes, light chlorine
Page 1 of 2
S W U-242-20120613

4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is clear
and 5 is very cloudy:
O 2 3 4 5
5. Floating Solids: Choose the number which best describes the amount of floating solids in the
storm water discharge, where 1 is no solids and 5 is the surface covered with floating solids:
2 3 4 5 1O
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:
O 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:
List and describe None
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-242-20120613
u

STOR\IIVATER DISCHARGE OUTFALL (SDO)
1IONITORLNG REPORT
Permit Number NCS 000009 SAMPLF,S COLLECTED DURING CALFNDAR YEAR: 2015
(This monitoring report shall be received by the Division no later than 30 days frorly"
the date the facility receives the sampling results from the laboratory.) r-tan
FACILITY NAME SGL Carbon LLC COUNTY Burke
PERSON COLLEC"PING ,)AN-IPLE(S) SGI. Lab Personnel PIIONE NO. (_878_) 432 - 5773
CERTIFIED LABORATORY(S) SCL. Carbon, LLC Lab # 609
Lab #
Part A: Specific Monitoring Requirements
L1SIC-NATURE OF PERM ITTEE OR DESIGNEE
4FOUIRED ON PAGE 2.
C"D
Outfall
Date
50050
Sample
Collected
`l'otal
Flow (if app.)
Total
Rainfall
Total
Suspended
Solids 'ISS)
COD
PH
tno/dd/ r
MG
inches
m =Il.
m g/L
Units
Benchmark
No sample was collected this period due to the inability to capture a qualifying storm water event. The weather has been dry and we
have not had a qualifying event when personnel were available to collect the sample. A sample will be collected at the next qualifying
rain event.
SDO-001
Does this facility perform Vehicle Maintenance Activities using more than 55 gallons of new motor oil per month? _x yes _no
(if yes, complete Part 13)
Part B: Vehicle Maintenance Activity Monitoring Requirements
Outfall
No.
Date
Sample
50050
00556
00530
00400
Total Flow
Total
Oil & Grease
Non -polar
Total
pill
New Motor
Collected
(if applicable)
Rainfall
(if appl.)
O&G/TPH
Suspended
Oil Usage
(,Method 1664
Solids
SIT-fIEM), if
appl.
mo/dd/vr
INIG
inches
nt g/I
m /l
unit
al/mo
Form SWU-247, last revised 2/212012
DCl For internal use only - (THOMPSONBI) Page I of 2

Benchmark
S D O-001
S"rORNI EVEN'I' CIIARAC`I'FRIS'l'ICS:
Date
'total Event Precipitation (inches):
Event Duration (hours): (only if applicable — see permit.)
(if snore than one storm event was sampled)
Date
'total Event Precipitation (inches):
Event Duration (hours): (only if applicable — see permit.)
i4lail Original and one copy to:
Division of Water Quality
Attn: Central Files
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
"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 ann aware that there are significant penalties for submitting false information,
including the possibility of tines and imprisonment for knowing violations."
(Signature of Permittee)
(Date)
DCI Forinternal use only -(THOMPSONB1)
Form S«'U-247, last revised 21212012
Page 2 of 2

A�
r�
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.: NICIS /010101010/9 I or Certificate of Coverage No.: NICIG/ 1 1 I 1 1 1
Facility Name: SGL Carbon, LLC _
County: Burke Phone No. [phone]
Inspector: SGL Lab Personnel _
Date of Inspection: Unable to sample ualif in rainfall event
Time of Inspection:
Total Event Precipitation (inches): NA
Was this a Representative Storm Event? (See information below) Yes GD
Please check your permit to verify if Qualitative Monitoring must be performed during a representative storm
event (requirements vary).
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.
By this signature, I certify that this report is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
1. Outfall Description:
Outfall No. SDO-001 Structure (pipe, ditch, etc.) Pipe
Receiving Stream: Silver Creek
Describe the industrial activities that occur within the outfall drainage area: Manufacturing, material
transfers, loading & unloading, maintenance activities, & parking.
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors:
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil, weak
chlorine odor, etc.):
Page 1 of 2
5W U-242-20120613

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:
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:
List and describe No sample was collected durina this period due to the inabilitv to capture a
qualifying rainfall event. The weather has been dry and we have not had a qualifying event when
personnel were available to collect the sample. A sample will be collected at the next aualifvina
rainfall 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
SW U-242-20120613

September 10, 2015
Central Files
Division of Water Quality
1617 Mail Service Center
Raleigh, NC 27699-161735
RECEIVED
SEP 2 2 Z015
CENTRAL FILES
DWR SECTION
GSGL GROUP
THE CARBON COMPANY
BROAD BASE
BEST SOLUTIONS
Re: Storm water Discharge Outfall Monitoring Report (DMR): Year 7, Period 2, Sample 14
SGL Carbon, LLC (Burke County)
Individual Permit Number NC3000009
Sir/Madam:
Respectfully submitted is the enclosed original and one copy of the Stormwater Discharge Outfall
Monitoring Report for SGL Carbon, LLC under Individual Permit Number NCS000009. This submission is
for stormwater sampling during Year 7, Period 2, Sample Number 14 (March 1, 2015 —August 31, 2015)
as outlined in Part II, Section B of our permit.
We were unable to collect a sample as required by our permit due to an excessively dry period. We
have not experienced a qualifying rainfall event, when staffing was available. We will sample the next
qualifying rain event and submit samples in accordance with the permit requirements.
If there are any questions or comments regarding this report please contact me at 828 432-5773.
Sincerely,
Billy M. Thompson, Jr.
Environmental Manager
SGL Carbon, LLC, Morganton, NC
Attachment
SGL Carbon, LLC
307 Jamestown Road
Morganton, NC 28655
Sglcarbon.com
DC1 For internal use only - (THOMPSONBI)
Phone: [phone]
Fax: [phone]

STOR11'INVA'I ER DISCHARGE OU'I'>,ALL (SDO)
MONITORING REPORT
Permit Number NCS 000009
FACILITY NAME SGL Carbon, LLC
PERSON COLLECTING SAMPLE(S) Jeffery Alan Woodruff
CERTIFIED LABORATORY(S) SGL Carbon, LLC Lab # 609
Lab #
Part A: Specific Monitoring Requirements
SAMPLES COLLECTED DURING CALENDAR YEAR: 2015
(This monitoring report sliali be received by the Division no later than 30 days from
the date the facility receives the sampling results from the laboratory.)
COUNTY Burke
PHONE NO. { 828 1 432 - 5773
SIGNA'I'URE OF PEP-MITTEE OR DESIGNEE
REQUIRED ON PAGE 2.
Outfall
No.
Date
Sample
Collected
50050
Total
Flow (if app.)
Total
Rainfall
Total
Suspended
Solids (TSS)
COD
PH
moldd/ r
MG
inches
m /L
m L
Units
Benchmark
-
-
-
100
120
6-9
SDO-001
09/09/2015
NA
0.34
32.1
84
6.9
Does this facility perform Vehicle Maintenance Activities using more than 55 gallons of new motor oil per month? r yes _no
(if yes, complete Part 13)
Part B: Vehicle Maintenance Activity Monitoring Requirements
Outfall
Date
50050
00556
00530
00400
Total Flow
Total
Oil & Grease
Non -polar
Total
pH
New Motor
No.
Sample
Collected
(if applicable)
Rainfall
(if appl.)
O&G/TPH
Suspended
Oil Usage
(Method 1664
Solids
SGT-HEM), if
a 1.
mo/dd/ r
MG
inches
m /l
m /l
unit
al/mo
Benchmark
6-9
SDO-001
09/09/2015
NA
0.34
<5
NA
32.1
6.9
55
CM=j
Mac
Form SWU-247, last revised 21212012
Page I of 2

STORM EVENT CHARACTERISTICS:
Date 09/09/2015
Total Event Precipitation (inches): 0.34
Event Duration (hours): (only if applicable -- see permit.)
(if more than one storm event was sampled)
Date
Total Event Precipitation (inches):
Event Duration (hours): (only if applicable —,see permit.)
Nlail Original and one copy to:
Division of Water Quality
Attn: Central Files
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
"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)
_ /a -.10
(Date)
Forst SWU-247, lust revised 21212012
Page 2 of 2

AL
NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
For guidance on filling out this form, please visit: http:llportal.ncdenr.org/web/wq/ws/su/npdessw#tab-4
Permit No.: N/C/S 101010 /0 10191 or Certificate of Coverage No.: NIC/G/ 1 1 1 1 1 1
Facility Name: SGL Carbon, LLC
County: Burke Phone No. [phone]
Inspector: Jeff Woodruff
Date of Inspection: 9/8/15
Time of Inspection: 11:16 AM
Total Event Precipitation (inches): 0.34
Was this a Representative Storm Event? (See information below)(&D No
Please check your permit to verify if Qualitative Monitoring most be performed during a representative storm
event (requirements vary).
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.
By this signature, I certify that this report is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
1. Outfall Description:
Outfall No. SDO-001 Structure (pipe, ditch, etc.) Pipe
Receiving Stream: Silver Creek
Describe the industrial activities that occur within the outfall drainage area: Manufacturing, material
transfers, loading & unloading, maintenance activities, &parking.
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: ve light grey
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil, weak
chlorine odor, etc.): None
Page 1 of 2
5WU-242-20120613

4. Ciarity: Choose the number which best describes the clarity of the discharge, where 1 is clear
and 5 is very cloudy:
1 O 3 4 5
5. Floating Solids: Choose the number which best describes the amount of floating solids in the
storm water 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 2 O 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:
List and describe None
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-242-20120613

SGL GROUP
THE CARBON COMPANY
BROAD BASE
BEST SOLUTIONS
October 19, 2015
Central Files
Division of Water Quality
1617 Mail Service Center
Raleigh, NC 27699-161735
Re: Storm water Discharge Outfall Monitoring Report (DMR): Year 7, Period 2 Sample 14
SGL Carbon, LLC (Burke County)
Individual Permit Number NCS000009
Sir/Madam:
Respectfully submitted are the enclosed original and one copy of the Quantitative and Qualitative
Stormwater Discharge Outfall Monitoring Reports for SGL Carbon, LLC under Individual Permit Number
NCS000009. This submission is for stormwater sampling during Year 7, Period 2, Sample Number 14
(September 1, 2015 — February 28, 2016) as outlined in Part 11, Section B of our permit. All sample
analytical results were below benchmark values and/or within benchmark ranges. No issues were noted
on the visual inspection.
If there are any questions or comments regarding this report please contact me at 828 432-5773.
Sincerely,
4`7 �-
Billy M. Thompson, Jr.
Environmental Manager
SGL Carbon, LLC, Morganton, NC
Attachment
00
� z
;�
a�iil
_CD
r-1-
tz
O fib
q,ED
SGL Carbon, LLC
307 Jamestown Road
Morganton, NC 28655
Sglcarbon.com
Phone: [phone]
Fax: [phone]

ST'OR,NINVATER DISCHARGE OUTFALL (SDO)
,MONITORING REPORT
Permit Number NCS 000009
FACILITY NAME SGL Carbon, I.LC
PERSON COLLECTING SAMPLE(S) Jeffery Alan Woodruff ~
CERTIFIED LABORATORY(S) SGL Carbon, LLC Lab # 609
Lab #
Part A: Specific Monitoring Requirements
SAMPLES COLLECTED DURING CALENDAR YEAR: 2014
(This monitoring report shall be received by the Division no later than 30 days from
the date the facility receives the sampling results from the laboratory.)
COUNTY Burke
PHONE NO. ( 828) 432 - 5773
SIGNATURE OF PERMITTEE OR DESIGNEE
REQUIRED ON PAGE 2.
Outfall
Date
50050
No.
Sample
Collected
Total
Flow (if app.)
Total
Rainfall
Total
Suspended
Solids TSS)
COD
pH
mo/dd/vr
MG
inches
nt /L
m IL I
Units
Benchmark
-
-
-
100
120
6-9
SDO-001
08/08/14
NA
0.54
<5
54
6.9
C
2014
L FILE
WR SECTION
Does this facility perform Vehicle Maintenance Activities using more than 55 gallons ofnew motor oil per month? _x yes _no
(if yes, complete Part 13)
Part R. Vehicle Maintenance Activity Monitoring Requirements
Outfall
Date
50050
00556
00530
00400
Total Flow
Total
Oil & Grease
Non -polar
Total
PH
New Motor
No.
Sample
Collected
(if applicable)
Rainfall
(if appl.)
O&G/TPII
Suspended
Oil Usage
(Method 1664
Solids
SGT-HEM), if
appl.
mo/dd/yr
MG
inches
mg/1
m =/l
unit
al/tno
Benchmark
6-9
SDO-001
08/08114-
NA
0.54
<5
NA
<5
6.9
55
Form SWU-247, last revised 21212012
Page I of 2

STORIII EVENT CHARACTERISTICS:
Date 08/08/14
Total Event Precipitation (inches): 0.54
Event Duration (hours): (only if applicable — see permit.)
(if more than one storm event was sampled)
Date
Total Event Precipitation (inches):
Event Duration (hours): (only if applicable — see permit.)
Mail Original and one copy to:
Division of Water Quality
Attn: Central Files
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
"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)
Form S W U-247, last revised 21212012
Page 2 of 2

60
NC©ENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
For guidance on filling out this form, please visit: http:llportal.ncdenr.org/web/wq/ws/sulnpdessw#tab-4
Permit No.: NIC/S 101010 /0 / 0/91 or Certificate of Coverage No.: NICIGI 1 1 1 1 1 1
Facility Name: SGL Carbon LLC
County: Burke Phone No. [phone]
Inspector: Jeff Woodruff
Date of Inspection: August 8, 2014 „
Time of Inspection: 11:16 AM
Total Event Precipitation (inches): 0..54
Was this a Representative Storm Event? (See information below) Yes No
Please check your permit to verify if Qualitative Monitoring must be performed during a representative storm
event (requirements vary).
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.
By this signature, I certify that this report is accurate and complete to the best of my knowledge:
6�,4 ,� 6�
(Signature of Permittee or Designee)
1. Outfall Description:
Outfall No. SDO-001 Structure (pipe, ditch, etc.) Pipe
Receiving Stream: Silver Creek
Describe the industrial activities that occur within the outfall drainage area: Manufacturing material
transfers, loading & unloading, maintenance activities, & parking.
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: None
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil, weak
chlorine odor, etc.): Yes, light chlorine
Page 1 of 2
SW U-242-20120613

4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is clear
and 5 is very cloudy:
O 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 O 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:
O 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:
List and describe None
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-242-20120613

SGL GROUP
THE CARBON COMPANY
BROAD BASE
September 12, 2014
Central Files
Division of Water Quality
1617 Mail Service Center
Raleigh, NC 27699-161735
BEST SOLUTIONS
Re: Storm water Discharge Outfall Monitoring Report (DMR): Year 6, Period 1, Sample 11
SGL Carbon, LLC (Burke County)
Individual Permit Number NCS000009
Sir/Madam:
Respectfully submitted are the enclosed original and one copy of the Quantitative and Qualitative
Stormwater Discharge Outfall Monitoring Reports for SGL Carbon, LLC under Individual Permit Number
NCS000009. This submission is for stormwater sampling during Year 6, Period 1, Sample Number 11
(March 1, 2014 — August 31, 2014) as outlined in Part II, Section B of our permit. All sample analytical
results were below benchmark values and/or within benchmark ranges. No issues were noted on the
visual inspection.
If there are any questions or comments regarding this report please contact me at 828 432-5773.
Sincerely,
'4E�;4 �, Oz/
Billy M. Thompson, Jr.
Environmental Manager
SGL Carbon, LLC, Morganton, NC
Attachment
SGL Carbon, LLC
307 Jamestown Road
Morganton, NC 28655
5glcarbon.com
Phone: [phone]
Fax: [phone]