NCG030695_DMR YR 1 Period 2_20200127

J
January 23, 2020
Division of Energy Mineral and Land Resources
Attn: Central Files
1617 Mail Service Center
Raleigh, NC 27699-1617
Central Files:
P.O. Box 5030
2020 Ashcraft Avenue
Monroe, NC 28111-5030
Phone: [phone] l
Fax: [phone]
Email: [e-mail]
Attached, please find stormwater monitoring data for Permit No NCG030695. The originals and
one copy are included. The monitoring data is for the following monitoring schedule:
..:MonitoringPeriod
Sam' to Mmber
Start
End
Year I — Period 2
1
July 1, 2019
December 31, 2019
Analytical monitoring includes:
• Outfall #01: Under Construction
• Outfall #02
• OutfaIl #03: No Flow
If you have any questions or need additional information, please contact me at 704-289-4511
x3998. Thank you.
Sincerely,
Danielle Barrack
Manager, EH&S

W AT I
Sp€:cialty ¢Materials
ATI (Allvac) -- Bakers Campus (BPO & EIGA)
S_tormwater Monitoring Report Form
Sample Date:
Sample Time:
Sample Location:
Stormwater Discharge Outfall ## 01
Drainage Area= 1,809,000 sq. ft. = 25 Acres
Impervious= 30%
Person Collecting Samples:
Laboratory Performing Analysis:
Analytical Techniques and Methods:
40 CFR Part 136
Results of Sample Analysis:
Parameter
Results (mg/I)
Benchmark Values (mg/1)
pH
(std units)
6-9
T5S
100
Copper, Total Recoverable
C
0.010
Lead, Total
0.075
Zinc, Total Recoverable
0.126
Non -Polar Oil & Grease/TPH
. /�,
15
Temperature
Deg. Celsius
Storm Date:
Storm Duration:
Duration of time preceding rain event exceeding 0.1":
Estimated Flow Calculation:
(Hrs.) Inches of Rainfall:
(Hrs.)
Q=CIA
Q (Total) = Q (Pervious Area) + Q (Impervious Area)
Q (Tot., cfs) = (A x inches rain/12 inches/ft. x 25 acres x .70) + (.9 x inches rain/12 inches/ft. x 25 x .30)
Q (Total, cfs) = 0.5833 x
cfs
(Inches of rain) + 0.5625 x (inches of rain)
Rev. 01
Date of Rev.: 1/22/2020

0 AT I
Specialty Materials,
ATI (Allvac) — Bakers Campus (BPO & EIGA)
Stormwater Monitorin Re ort Form
Sample Date:
Sample Time: _ P
t.
Sample Location:
Stormwater Discharge Outfall # 02
Drainage Area= 217,800 sq. ft. = 5 Acres
% Impervious= 30%
Person Collecting Samples:
Laboratory Performing Analysis:
�r-e Aa
Analytical Techniques and Methods:
40 CFR Part 13
Results of Sample Analysis:
Parameter
Results (mg/1)
Benchmark Values (mg/1)
pH
(std units)
6-9
TSS
l8•
100
Copper, Total Recoverable
0.010
Lead, Total
NTH
0.075
Zinc, Total Recoverable
0.126
Non -Polar Oil & Grease/TPH
15
Temperature
%3 Deg. Celsius
Storm Date: /0 - Storm Duration: 1.02 L (Hrs.) Inches of Rainfall: Q •,34
Duration of time preceding rain event exceeding 0.1": /9a? _ (Hrs.)
Estimated Flow Calculation:
Q=CIA
Q (Total) = Q (Pervious Area) + Q (Impervious Area)
Q (Tot., cfs) = (.4 x inches rain/12 inches/ft. x 5 acres x .70) + (.9 x inches rain/12 inches/ft. x 5 x .30)
Q (Total, cfs) = 0.1167 x 0, -?4 (Inches of rain) + 0.1125 x D .3O (Inches of rain)
= Q•OG3S-5-cfs
Rev. 01
Date of Rev.: 1/22/2020

c�
aceAnalytical
www.pacelabs.com
December 20, 2019
Scott Ryan
Allvac
Monroe, NC
RE: Project: SW OUTFALL#02
Pace Project No.: 92456941
Dear Scott Ryan:
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Enclosed are the analytical results for sample(s) received by the laboratory on December 11, 2019.
The results relate only to the samples included in this report. Results reported herein conform to the
most current, applicable TNI/NELAC standards and the laboratory's Quality Assurance Manual,
where applicable, unless otherwise noted in the body of the report.
If you have any questions concerning this report, please feel free to contact me.
Sincerely,
Matthew Brainard
[e-mail]
[phone]
Project Manager
Enclosures
cc: Danielle Barrack, Allvac
Tyler Mercer, AT! Specialty Materials
David Pope, Allvac
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.
Page 1 of 12

aceAnalyical"
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Project: SW OUTFALL#02
Pace Project No.: 92456941
Pace Analytical Services, LLC
9800 KinceyAve. Suite 100
Huntersville, NC 28078
[phone]
Pace Analytical Services Charlotte
9800 Kincey Ave. Ste 100, Huntersville, NC 28078
Louisiana/NELAP Certification # LA170028
North Carolina Drinking Water Certification #: 37706
North Carolina Field Services Certification #: 5342
North Carolina Wastewater Certification #: 12
Pace Analytical Services Asheville
2225 Riverside Drive, Asheville, NC 28804
Florida/NELAP Certification #: E87648
Massachusetts Certification M M-NC030
North Carolina Drinking Water Certification #: 37712
CERTIFICATIONS
South Carolina Certification #: 99006001
Florida/NELAP Certification #: E87627
Kentucky UST Certification #: 84
Virginia/VELAP Certification #: 460221
North Carolina Wastewater Certification #: 40
South Carolina Certification #: 99030001
VirginiaNELAP Certification #: 460222
REPORT OF LABORATORY ANALYSIS
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without the written consent of Pace Analytical Services, LLC. Page 2 of 12

Pace Analytical Services, LLC
accAnalytica!® 9800KinceyAve. Suite100
Huntersville, NC 28078
www.pacelabs.com [phone]
SAMPLE ANALYTE COUNT
Project: SW OUTFALL#02
Pace Project No.: 92456941
Analytes
Lab ID Sample ID Method
Analysts
Reported
Laboratory
92456941001 BPO SW02 EPA 1564S
HH
1
PASI-C
EPA 200.7 Rev 4.4 1994
SH1
3
PASI-A
SM 254OD-2011
CJL
1
PASI-A
REPORT OF LABORATORY ANALYSIS
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aceAnalytical
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ANALYTICAL RESULTS
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Project: SW OUTFALL#02
Pace Project No.: 92456941
Sample: BPO SW02 Lab ID: 92456941001 Collected: 12/10/19 09:40 Received: 12/11/19 08:55 Matrix: Water
Parameters Results Units Report Limit DF Prepared Analyzed CAS No. Qual
Field Data
Analytical Method:
Collected By
DPJ
1
12/10/19 09:52
Collected Date
12/10/19
1
12/10/19 09:52
Collected Time
09:46
1
12/10/19 09:52
pH
7.1 Std. Units
1
12/10/19 09:52
Temperature
13.6 deg C
1
12/10/19 09:52
HEM, Oil and Grease
Analytical Method: EPA 1664B
Oil and Grease
ND mg1L
4.8
1
12/20/19 07:39
200.7 MET ICP
Analytical Method: EPA 200.7 Rev 4.41994
Preparation Method: EPA 200.7 Rev 4.4 1994
Copper
ND ug/L
5.0
1
12/14/19 02:13 12/17/19 10:20 7440-50-8
Lead
ND ug/L
5.0
1
12/14/19 02:13 12/17/19 10:20 7439-92-1
Zinc
ND ug/L
10.0
1
12/14/19 02:13 12/17/19 10:20 7440-66-6
2540D Total Suspended Solids
Analytical Method: SM 254OD-2011
Total Suspended Solids
18.2 mg/L
4.2
1
12/17/19 11:32
REPORT OF LABORATORY ANALYSIS
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Date: 12/20/2019 02:19 PM without the written consent of Pace Analytical Services, I.L.C. Page 4 of 12

aceAnalytical
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Project: SW OUTFALL#02
Pace Project No.: 92456941
QC Batch: 515959
QC Batch Method: EPA 1664B
Associated Lab Samples: 92456941001
METHOD BLANK: 2764710
Associated Lab Samples: 92456941001
Parameter Units
Oil and Grease mg/L
LABORATORY CONTROL SAMPLE: 2764711
Parameter Units
Oil and Grease mg/L
Pace Analytical Services, LLC
9B00 KinceyAve. Suite 100
Huntersville, NC 28078
[phone]
QUALITY CONTROL DATA
Analysis Method: EPA 1664B
Analysis Description: 1664 HEM, Oil and Grease
Matrix: Water
Blank Reporting
Result Limit Analyzed Qualifiers
ND 5.0 12/20/19 07:37
Spike LCS LCS % Rec
Conc. Result % Rec Limits Qualifiers
38.5 38.5 100 78-114
MATRIX SPIKE SAMPLE: 2764712
92456978001 Spike MS MS % Rec
Parameter Units Result Conc. Result % Rec Limits Qualifiers
Oil and Grease mg/L ND 38.5 9.9 16 78-114 M1
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
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Date: 12/20/2019 0219 PM without the wdften consent of Pace Analytical Services, LLC. Page 5 of 12

laneAnalytical"
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QUALITY CONTROL DATA
Project: SW OUTFALL#02
Pace Project No.: 92456941
QC Batch: 514803 Analysis Method: EPA 200.7 Rev 4.4 1994
QC Batch Method: EPA 200.7 Rev 4.4 1994 Analysis Description: 200.7 MET
Associated Lab Samples: 92456941001
METHOD BLANK: 2759197
Matrix: Water
Associated Lab Samples: 92456941001
Blank Reporting
Parameter
Units
Result Limit
Analyzed Qualifiers
Copper
ug/L
NO 5.0
12/17/19 09:33
Lead
ug/L
NO 5.0
12/17/19 09:33
Zinc
ug/L
NO 10.0
12/17/19 09:33
Pace Analytical Services, LLC
9800 KinceyAve. Suite 100
Huntersville, NC 28078
[phone]
LABORATORY CONTROL SAMPLE:
2759198
Spike LCS LCS
% Rec
Parameter
Units
Conc. Result % Rec
Limits Qualifiers
Copper
ug1L
500 479 96
85-115
Lead
ug/L
500 485 97
85-115
Zinc
ug/L
500 475 95
85-115
MATRIX SPIKE & MATRIX SPIKE DUPLICATE:
2759199
2759200
MS
MSD
92456799006
Spike
Spike
MS
MSD
MS
MSD
% Rec
Parameter Units
Result
Conc.
Conc.
Result
Result
% Rec
% Rec
Limits RPD Qua]
Copper ug/L
NO
500
500
483
480
96
96
70-130 1
Lead ug1L
NO
500
500
488
488
97
97
70-130 0
Zinc ug1L
NO
500
500
487
488
97
97
70-130 0
MATRIX SPIKE & MATRIX SPIKE DUPLICATE:
2759201
2759202
MS
MSD
92457038002
Spike
Spike
MS
MSD
MS
MSD
% Rec
Parameter Units
Result
Conc.
Conc.
Result
Result
% Rec
% Rec
Limits RPD Qual
Copper ug/L
NO
500
500
550
488
110
97
70-130 12
Lead ug/L
NO
500
500
492
484
98
97
70-130 2
Zinc ug/L
NO
500
500
525
483
105
96
70-130 8
Results presented on this page are in the units indicated by the "Units` column except where an alternate unit Is presented to the right ofthe result.
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full.
Date: 12/20/2019 02:19 PM without the written consent of Pace Analytical Services, LLC. Page 6 of 12

aceAnalydical
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QUALITY CONTROL DATA
Project: SW OUTFALL#02
Pace Project No.: 92456941
QC Batch: 515128 Analysis Method: SM 2544D-2011
QC Batch Method: SM 254OD-2011 Analysis Description: 2540D Total Suspended Solids
Associated Lab Samples: 92456941001
METHOD BLANK: 2760630 Matrix: Water
Associated Lab Samples: 92456941001
Blank Reporting
Parameter Units Result Limit Analyzed Qualifiers
Total Suspended Solids mg/L ND 2.5 12117/19 11:32
LABORATORY CONTROL SAMPLE:
2760631
Spike
Parameter
Units
Conc.
Total Suspended Solids
mg/L
250
SAMPLE DUPLICATE: 2760632
92457023001
Parameter
Units
Result
Total Suspended Solids
mg1L
95.0
SAMPLE DUPLICATE: 2760633
92457338001
Parameter
Units
Result
Total Suspended Solids
mg1L
232
LCS LCS
Result % Rec
226 90
Pace Analytical Services, LLC
9800 KinceyAve. Suite 100
Huntersville, NC 28078
[phone]
% Rec.
Limits Qualifiers
90-110
Dup
Result RPD Qualifiers
251 90 D6
Dup
Result RPD Qualifiers
206 12
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
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Date: 12/20/2019 02:19 PM without the written consent of Pace Analytical Services, LLC. Page 7 of 12

aceAnalXical
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QUALIFIERS
Project: SW OUTFALL#02
Pace Project No.: 92456941
DEFINITIONS
DF - Dilution Factor, if reported, represents the factor applied to the reported data due to dilution of the sample aliquot.
ND - Not Detected at or above adjusted reporting limit.
TNTC - Too Numerous To Count
J - Estimated concentration above the adjusted method detection limit and below the adjusted reporting limit.
MDL - Adjusted Method Detection Limit.
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Hun€ersville, NC 28078
[phone]
PQL- Practical Quantitation Limit.
RL - Reporting Limit - The lowest concentration value that meets project requirements for quantitative data with known precision and
bias for a specific analyte in a specific matrix.
S - Surrogate
1,2-Diphenylhydrazine decomposes to and cannot be separated from Azobenzene using Method 8270. The result for each analyte is
a combined concentration.
Consistent with EPA guidelines, unfounded data are displayed and have been used to calculate % recovery and RPD values.
LCS(D) - Laboratory Control Sample (Duplicate)
MS(D) - Matrix Spike (Duplicate)
DUP - Sample Duplicate
RPD - Relative Percent Difference
NC - Not Calculable.
SG - Silica Gel - Clean -Up
U - Indicates the compound was analyzed for, but not detected.
Acid preservation may not be appropriate for 2 Chloroethylvinyl ether.
A separate vial preserved to a pH of 4-5 is recommended in SW846 Chapter 4 for the analysis of Acrolein and Acryfonitrile by EPA
Method 8260.
N-Nitrosodiphenylamine decomposes and cannot be separated from Diphenylamine using Method 8270. The result reported for
each analyte is a combined concentration.
Pace Analytical is TNI accredited. Contact your Pace PM for the current list of accredited analytes.
TNI - The NELAC institute.
PASI-A Pace Analytical Services -Asheville
PASI-C Pace Analytical Services - Charlotte
ANALYTE QUALIFIERS
D6 The precision between the sample and sample duplicate exceeded laboratory control limits.
M1 Matrix spike recovery exceeded QC limits. Batch accepted based on laboratory control sample (LCS) recovery.
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Date: 12/20/2019 02:19 PM without the written consent of Pace Analytical Services, LLC. Page 8 of 12

amAnalj4kal
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QUALITY CONTROL DATA CROSS REFERENCE TABLE
Project: SW OUTFALL#02
Pace Project No.: 92456941
Pace Analytical Services, LLC
9800 KinceyAve. Suite 100
Huntersvllle, NC 28078
[phone]
Analytical
Lab ID
Sample ID
QC Batch Method
QC Batch Analytical Method Batch
92456941001
BPO SWO2
92456941001
BPO SW02
EPA 1664B
515959
92456941001
BPO SW02
EPA 200.7 Rev 4.4 1994
514803 EPA 200.7 Rev 4.4 1994 514814
92456941001
BPO SW02
SM 2540D-2011
515128
Date: 1212012019 02:19 PM
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.
Page 9 of 12

Document Name:
Document Revised: February 7, 2018
m
aeeAnalytieal
Sample Condition Upon Receipt(SCUR)
Pagel of 2
Document No.:
Issuing Authority:
1
F•CAR•CS-033•Rev.06
Pace Carolinas Quali!y Office
Laboratory receiving samples:
Asheville ❑ Eden❑ Greenwood ❑ Huntersville/ Raleigh❑ Mechanicsville❑
. Client lug W®# : 92456941
Courier: []Fed Ex ❑UPS ❑USPS " Ilent ll �
❑ Commercial []Pace ❑Other: s245asse41
Custody Seal Present? ❑Yes �, Iv Seals Intact? Dyes .�No��
Date/rnitials Person Examining Contents.. / �o -J � f
Packing Material: ❑Bubble Wrap ubble Bags ❑None ❑ Other Glo:oglcal Tissue F ozen?
Thermometer: ❑Yes ❑No�/A
R Gun ID: 92T05B Type of lie: Wet ❑Byre ❑None
Cooler Temp ('C): 3 Correction Factor: Add/Subtract I'C) O.O°C
3 Temp should be above freezing to 6'C
Cooler Temp Corrected ('C): ❑Samples out of temp criteria. Samples on ice, cooling process
has begun
USDA Regulated Soil S[D—WA, 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 (internationally,
mv— f edI inrhrdina Hawaii and Puerto Ricol? f iYes Fluo
Comments/Dls crepa ncy:
Chain of Custody Present?
Yes
No
N/A
1.
Samples Arrived within Hold Time?
Yes
❑No
N/A
2.
Short Hold Time Analysis (c72 hr.)?
layes
No
N/A
3.
Rush Turn Around Time Requested?
Qves
wNo
[]N/A
4.
_
Sufficient Volume?
Lafes
No
QNJA
5.
+
Correct Containers Used?
�]Y i
[]No
[]N/A
6.
-Pace Containers Used?
es
❑No
NIA
_
Containers Intact?
lres
No
NIA
7.
Dissolved analysis: Samples Field Filtered?
QYes
Na
❑N/A
S.
Sample Labels Match COC?
--�'Ye-s
❑No
[]N/A
9.
-Includes Date/Time/ID/Analysis Matrix:
Headspace'n VOA Vials (?S-6mm)?
Dyes
No
N/A
10. _
Trip Blank Present?
[]Yes
❑No
/A
11.
Trip Crank Custody Seals Present?
Yes
No
NIA
COMMENTS/SAMPLE DISCREPANCY
Field Data Required? Dyes [:]No
Lot ID of split containers:
CLIENT NOTIFICATION/RESOLUTION
Person contacted: Datetrime:
Project Manager SCURF Review: / I//) Date-
Project Manager SRF Review: ` __- Date: r) I
r
Pace 10 of 12

Document Name:
Document Revised: February 7, 2018
a
Sample Condition Upon Recelpt(SCURI
Page 1 of 2
aCeAna1Xica!
Document No.:
Issuing Authority:
!
r
F-CAR-CS-033-Rev.06
Pace Carolinas Quality Office
*Check mark top half of box if pH and/or dechiorination is
verified and within the acceptance range for preservation
samples.
Exceptions: VOA, Couform, TOC, oil and Grease, mo/8o15 {water) DOC, LLHg
"Bottom half of box is to list number of bottle
Project# WV# : 92456941
PM: MWB Due Date: 12/20/19
CLIENT: 92—Allvee NC
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pH Adjustment
Log fnr Preserved Samples
Sample 10
Type of Preservative
pH upon reeelpt
Gate preservation adjusted
Time preservation
adjusted
Amount of Preservative
added
Lot N
Note: Whenever tnere is a ovscrepancy arrectmg :vu, to tid-vul Ia 1 ••,r o.., , .., _ __r, -. _..._ . _ .......
Out of hold, incorrect preservative, out of temp, incorrect containers.
Page 11 of 12

rojeet Number/Name:
tm ler's Signature:
F
0 3
y � G
CL
S x A
0 's.
�99.
Stormwater Monitorin
Chain of Custody Record
all #02 Project Location:ATI SM-Bakers Powders
qlltZo.A- Date:
r a
�
G
G
Requested Test Parameters
O
y0
G
G I®
HNO3
Y
Total Recoverable: Lead,Copper, Zinc
G
GO 1
None
Y
TSS
ys, - I G I ®/ P f HCL I Y 10il & Grease
Onsite Field pH Analysis
pH: J f (s.u.) Sample Time: !�•'
Analysis Time: 9.1$r
Meter Calibrated: A� / N
Sampling and field analysis completed by:
Relinquished By:
Date: Thne: ;
Relinquished By:
Date: Tine
EHS-SW-Chain of Costody Outtall 02-Rev 001
OC
001)
W1
Onsite Field Temperature Analysis
9.6 (°C) Sample Tune:
Analysis Time: 9,
eter Calibrated:® / N
Received By:
Date: j ,Z 1 ! / �%) Time: '
Received By:
Date: Time:
%e.�r�0 � 1 • �
Page 12 of 12

AT 1
Specialty Materials
ATI (Allvac) — Bakers Campus (BPO & EIGA)
Stormwater Monitoring Report Form
Sample Date:
Sample Time:
Sample Location:
Stormwater Discharge Outfall # 03
Drainage Area= 130,680 sq. ft. = 3 Acres
% Impervious= 50%
Person Collecting Samples:
Laboratory Performing Analysis:
Analytical Techniques and Methods:
40 CFR Part 136
Results of Sample Analysis:
Parameter
Results (mg/1)
Benchmark Values (mg/1)
pH
(std units)
6-9
TSS
100
Copper, Total Recoverable
UW
0.010
Lead, Total
0.075
Zinc, Total Recoverable
OW
0.126
Non -Polar Oil & Grease/TPH
15
Temperature
Deg. Celsius
Storm Date:
Storm Duration:
Duration of time preceding rain event exceeding 0.1":
Estimated Flow Calculation:
(Hrs.) Inches of Rainfall:
(Hrs.)
Q=CIA
Q (Total) = Q (Pervious Area) + Q (Impervious Area)
Q (Tot., cfs) = (A x inches rain/12 inches/ft. x 3 acres x .50) + (.9 x inches rain/12 inches/ft. x 3 x .50)
Q (Total, cfs) = 0.05 x
cfs
(Inches of rain) + 0.1125 x (Inches of rain)
Rev. 01
Date of Rev.: 1/22/2020

Environmental
Quality
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
For guidance on filling out this form, please visit https://deq.ne.gov/about/divisions/energy-mineral-land-resources/
npdes-stormwater-gp s
Permit No.: N_ICI 1 1 1 1 I l / or Certificate of Coverage No.: N_ICIG_I01310161 Q 1•sl
Facility Name: /��� ���4GtC At;2o S
County: zzl&I%GA- Phone No. %e y'a e9 -Z; //
Inspector: f?3wa `D�(J
Date of Inspection:
Time of Inspection:
Total Event Precipitation (inches): ©. ,3D
All permits require qualitative monitoring to be performed during a "measurable storm event."
A "measurable storm event" is a storm event that results in an actual discharge from the permitted site
outfall. The previous measurable stone event must have been at least 72 hours prior. The 72-hour storm
interval does not apply if the pennittee 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 DEMLR
Office.
By this signature, I certify that this report is accurate and complete to the best of my knowledge:
(Signature of Permittee br
1. Outfall Description:
Outfall No. PD -SW o a Structure (pipe, ditch, etc.): e /di��
Receiving Stream:
Describe the industrial activities that occur within the outfall drainage area:
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2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: L' ��ar
3. Odor: Describe any distinct odors that die discharge may have (i.e., smells strongly of oil, weak
chlorine odor, etc.):
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is clear
and 5 is very cloudy:
ZD 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:
7.
8.
9.
<D 2 3 4 5
Is there any foam in the stormwater discharge? O Yes ONO.
Is there an oil sheen in the stormwater discharge? OYes ®No. _
Is there evidence of erosion or deposition at the outfall? O Yes Do.
10. Other Obvious Indicators of Stormwater Pollution:
List and describe OR-149/L e-
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.
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