NCG030729_DMR_20240221

NCDEQ Division of Energy, Mineral and Land Resources NC Department of
Stormwater Discharge Monitoring Report(DMR) Form for NCGi ecei
0 Receital Quality
Metal Fabrication Rved
Click here for instructions FEB 2 1 2024
Complete,sign, scan and submit the DMR via the Stormwater NPDES Permit Data Monitoring Report(DIi tisOggi ithin
30 days of receiving sampling results. Mail the original,signed hard copy of the DMR to the appropriaterRE.lulAt0ffice.
Certificate of Coverage No. NCGO3 0729 Person Collecting Samples: Scott Linthacum
Facility Name:PowerSecure Manufacturing, Inc.-PowerFab Laboratory Name: Pace Analytical
Facility County: Randolph Laboratory Cert. No.: 99006001,99030001,460025,381
Discharge during this period:ri Yes No (if no,skip to signature and date)
Has your facility implemented mandatory Tier response actions this sample period for any benchmark exceedances?fYes ❑No
If so,which Tier(I, II,or III)? II
A copy of this DMR has been uploaded electronically via https://edocs.deq.nc.gov/Forms/SW-DMR 0✓ Yes ❑No
Date Uploaded: 02/19/2024
Analytical Monitoring Requirements for Outfalls with Industrial Activities—Benchmarks in(Red)
Parameter Parameter Outfall 001 Outfall 002 Outfall Outfall Outfall
Code
N/A Receiving Stream Class WS-IV,CA WS-IV,CA
N/A Date Sample Collected MM/DD/YYYY 01/09/2024 01/09/2024
46529 24-Hour Rainfall in inches 0.3 0.3
C0530 TSS in mg/L(100 or 50*) 10.4 12.6
00400 pH in standard units(6.0-9.0 FW, 6.9 7.1
6.8-8.5 SW)
01119 Copper,total recoverable in mg/L
(0.010 FW,0.0058 SW) 0.069 0.0051
01051 Lead,total recoverable in mg/L
(0.075 FW,0.22 SW) ND ND
01094 Zinc,total recoverable in mg/L(0.126
FW,0.095 SW) 0.31 0.20
00340 Chemical Oxygen Demand(COD)in ND ND
mg/L(120)
00552 Non-Polar Oil&Grease in mg/L(15) ND ND
*Outfalls to Outstanding Resource Waters(ORW),High Quality Waters(HQW),Trout Waters(Tr)and Primary Nursery Areas(PNA)
have a benchmark T55 limit of 50 mg/L.All other water classifications have a benchmark of 100 mg/L
FW(Freshwater)SW(Saltwater)
Notes(optional):
"I certify by my signature below,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 th possibility of fines and imprisonment for knowing violations."
Sig ture of Permittee or Delegated Authorized Individual Date
[e-mail] 919-761-0277
Email Address Phone Number

F':zy c F.�Y' .- u.a 'r:,�

PnviroLental
Quality
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
For guidance on filling out this form,please visit https://deq.nc.gov/about/divisions/energy-mineral-land-resources/
npdes-stotmwater-gps
Permit No.: N/C/ / / / / / / / or Certificate of Coverage No.: N/C/G/O/3/U/: /,2,/1 /
Facility Name: Po_ wer—� -1
wt 1p y
County: Roritol e R Phone No. q t R"G 30-22 4
Inspector: SCo - -,h 1ACI.CuY
Date of Inspection: 1— 9—2 o 3-14
Time of Inspection: `i'l S car/
Total Event Precipitation(inches): 0.3
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 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 DEMLR
Regional Office.
By this signature, I certify that this report is accurate and complete to the best of my knowledge:
(Signature of 'tee or Designee)
1. Outfall Description:
Outfall No. 00 I. Structure(pipe, ditch, etc.): pfpe
Receiving Stream:
Ls- IV at
Describe the industrial activities that occur within the outfall drainage area: Mj14( Fainr,nccetivvl
rat 9 wwitiMy blua 5 cutF+may asfem bly fied,nS
Page 1 of 2
SWU-242,Last modified 06/01/2018

2. Color: Describe the color of the discharge using basic colors(red,brown,blue, etc.)and tint
(light,medium, dark)as descriptors: G(ei r
3. Odor: Describe any distinct odors that the discharge may have(i.e.,smells strongly of oil,weak
chlorine odor, etc.): none
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:
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? 0 Yes No.
8. Is there an oil sheen in the stormwater discharge? °Yes 0 No.
9. Is there evidence of erosion or deposition at the outfall? 0 Yes A No.
10. Other Obvious Indicators of Stormwater Pollution:
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 06/01/2018

Environmental
Quality
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
For guidance on filling out this form,please visit https://deq.nc.gov/about/divisions/energy-mineral-land-resources/
npdes-stormwater-gps
Permit No.: N/C/ / / / / / / / or Certificate of Coverage No.: N/C/G/O/3/p/7/_.,/q/
Facility Name: Pov.Per'Fa
County: R,c4440le 11 Phone No. q l7-6)0 —)-2-4 I
Inspector: $CO H-- AI Act(vtwl
Date of Inspection: I—
Time of Inspection: j:10 awl
Total Event Precipitation(inches): 0, 3
All permits require qualitative monitoring to be performed during a"measurable storm event."
A"measurable storm event" is a storm event that results in an actual discharge from the permitted site
outfall. The previous measurable storm event must have been at least 72 hours prior. The 72-hour storm
interval does not apply if the permittee is able to document that a shorter interval is representative for
local storm events during the sampling period,and the permittee obtains approval from the local DEMLR
Regional Office.
By this signature,I certify that this report is accurate and complete to the best of my knowledge:
C
(Signature of mittee or Designee)
1. Outfall Description:
Outfall No. 00L Structure(pipe,ditch,etc.): P 4 .
Receiving Stream:
ws_ IV , C,-
Describe the industrial activities that occur within the outfall drainage area: .Helot i Fat,r'13 c")
p0., 5 , t,seloLrv,t t 1d 7(/vt9 t cti.11--Mc , c'-5$%4,h 1,, eve k'S
Page 1 of 2
SWU-242,Last modified 06/01/2018

2. Color: Describe the color of the discharge usin basic colors(red,brown,blue, etc.)and tint
(light,medium, dark)as descriptors: 6-leaf' —St if_ t/I f ir Cs l yhS), 6/o u ,)
3. Odor: Describe any distinct odors that the discharge may have(i.e., smells strongly of oil,weak
chlorine odor, etc.): vim c
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 I 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 2 3 4 5
7. Is there any foam in the stormwater discharge? 0 Yes 0 No.
8. Is there an oil sheen in the stormwater discharge? °Yes No.
9. Is there evidence of erosion or deposition at the outfall? 0 Yes Of No.
10. Other Obvious Indicators of Stormwater Pollution:
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 06/01/2018

Pace Analytical Services,LLC
ace® 9800 Kincey Ave. Suite 100
Huntersville,NC 28078
[phone]
January 22, 2024
ANNA STODDARD
PowerSecure
RE: Project: STORMWATER 01/09/24
Pace Project No.: 92707347
Dear ANNA STODDARD:
Enclosed are the analytical results for sample(s)received by the laboratory on January 09, 2024. The results relate only to
the samples included in this report. Results reported herein conform to the applicable TNI/NELAC Standards and the
laboratory's Quality Manual,where applicable, unless otherwise noted in the body of the report.
The test results provided in this final report were generated by each of the following laboratories within the Pace Network:
• Pace Analytical Services-Asheville
•Pace Analytical Services-Charlotte
• Pace Analytical Services-Eden
• Pace Analytical Services-Ormond Beach
If you have any questions concerning this report, please feel free to contact me.
Sincerely,
Terri Page
[e-mail]
336-904-4231
Project Manager
Enclosures
cc: Joseph Carta
Scott Linthacum,PowerSecure
\\ 1 = 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 13

Pace Analytical Services,LLC •
ace 9800 Kincey Ave. Suite 100
Huntersville,NC 28078
[phone]
CERTIFICATIONS
Project: STORMWATER 01/09/24
Pace Project No.: 92707347
Pace Analytical Services Ormond Beach
8 East Tower Circle,Ormond Beach,FL 32174 Mississippi Certification:FL NELAC Reciprocity
Alaska DEC-CS/UST/LUST Missouri Certification#:236
Alabama Certification#:41320 Montana Certification#:Cert 0074
California Certification#3096 Nebraska Certification:NE-OS-28-14
Colorado Certification:FL NELAC Reciprocity New Hampshire Certification#:2958
Connecticut Certification#:PH-0216 New Jersey Certification#:FL022
Delaware Certification:FL NELAC Reciprocity New York Certification#:11608
DoD-ANAB#:ADE-3199 North Carolina Environmental Certificate#:667
Florida Certification#:E83079 North Carolina Certification#: 12710
Georgia Certification#:955 North Dakota Certification#:R-216
Guam Certification:FL NELAC Reciprocity Ohio DEP 87780
Hawaii Certification:FL NELAC Reciprocity Oklahoma Certification#:D9947
Illinois Certification#:200068 Pennsylvania Certification#:68-00547
Indiana Certification:FL NELAC Reciprocity Puerto Rico Certification#:FL01264
Kansas Certification#:E-10383 South Carolina Certification:#96042001
Kentucky Certification#:90050 Tennessee Certification#:TN02974
Louisiana Certification#:FL NELAC Reciprocity Texas Certification:FL NELAC Reciprocity
Louisiana Environmental Certificate#:05007 US Virgin Islands Certification:FL NELAC Reciprocity
Maine Certification#:FL01264 Virginia Environmental Certification#:460165
Maryland Certification:#346 West Virginia Certification#:9962C
Massachusetts Certification#:M-FL1264 Wisconsin Certification#:399079670
Michigan Certification#:9911 Wyoming(EPA Region 8):FL NELAC Reciprocity
Pace Analytical Services Charlotte
South Carolina Laboratory ID:99006 South Carolina Certification#:99006001
9800 Kincey Ave.Ste 100,Huntersville,NC 28078 South Carolina Drinking Water Cert.#:99006003
North Carolina Drinking Water Certification#:37706 Florida/NELAP Certification#:E87627
North Carolina Field Services Certification#:5342 Kentucky UST Certification#:84
North Carolina Wastewater Certification#:12 Louisiana DoH Drinking Water#:LA029
South Carolina Laboratory ID:99006 VirginiaNELAP Certification#:460221
Pace Analytical Services Asheville
2225 Riverside Drive,Asheville,NC 28804 South Carolina Laboratory ID:99030
Florida/NELAP Certification#:E87648 South Carolina Certification#:99030001
North Carolina Drinking Water Certification#:37712 VirginiaNELAP Certification#:460222
North Carolina Wastewater Certification#:40
Pace Analytical Services Eden
205 East Meadow Road Suite A,Eden,NC 27288 North Carolina Wastewater Certification#:633
North Carolina Drinking Water Certification#:37738 VirginiaNELAP Certification#:460025
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced,except in full,
without the written consent of Pace Analytical Services,LLC. Page 2 of 13

Pace Analytical Services,LLC
ace® 9800 Kincey Ave. Suite 100
Huntersville,NC 28078
[phone]
SAMPLE ANALYTE COUNT
Project: STORM WATER 01/09/24
Pace Project No.: 92707347
Analytes
Lab ID Sample ID Method Analysts Reported Laboratory
92707347001 OUTFALL 001 SM 2540D-2015 WE 1 PASI-E
EPA 1664B REB 1 PASI-C
EPA 200.7 TMA 3 PASI-O
SM 5220D-2011 JMH1 1 PASI-A
92707347002 OUTFALL 002 SM 2540D-2015 WE 1 PASI-E
EPA 1664B REB 1 PASI-C
EPA 200.7 TMA 3 PASI-O
SM 5220D-2011 JMH1 1 PASI-A
PASI-A=Pace Analytical Services-Asheville
PASI-C=Pace Analytical Services-Charlotte
PASI-E=Pace Analytical Services-Eden
PASI-O=Pace Analytical Services-Ormond Beach
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced,except in full,
without the written consent of Pace Analytical Services,LLC. Page 3 of 13

Pace Analytical Services,LLC
9800 Kincey Ave. Suite 100
PaceHuntersville,NC 28078
[phone]
ANALYTICAL RESULTS
Project: STORMWATER 01/09/24
Pace Project No.: 92707347
Sample: OUTFALL 001 Lab ID: 92707347001 Collected: 01/09/24 08:45 Received: 01/09/24 11:30 Matrix: Water
Parameters Results Units Report Limit DF Prepared Analyzed CAS No. Qual
2540D Total Suspended Solids Analytical Method:SM 2540D-2015
Pace Analytical Services-Eden
Total Suspended Solids 10.4 mg/L 2.5 1 01/10/24 15:04
1664 SGT-HEM,TPH Analytical Method:EPA 1664E
Pace Analytical Services-Charlotte
Total Petroleum Hydrocarbons ND mg/L 4.9 1 01/18/24 14:30
200.7 MET ICP Analytical Method:EPA 200.7 Preparation Method:EPA 200.7
Pace Analytical Services-Ormond Beach
Copper 0.069 mg/L 0.0050 1 01/12/24 05:47 01/12/24 13:13 7440-50-8
Lead ND mg/L 0.010 1 01/12/24 05:47 01/12/24 13:13 7439-92-1
Zinc 0.31 mg/L 0.020 1 01/12/24 05:47 01/12/24 13:13 7440-66-6
5220D COD Analytical Method:SM 5220D-2011 Preparation Method:SM 5220D-2011
Pace Analytical Services-Asheville
Chemical Oxygen Demand ND mg/L 25.0 1 01/17/24 12:36 01/18/24 10:15
Sample: OUTFALL 002 Lab ID: 92707347002 Collected: 01/09/24 09:10 Received: 01/09/24 11:30 Matrix: Water
Parameters Results Units Report Limit DF Prepared Analyzed CAS No. Qual
2540D Total Suspended Solids Analytical Method:SM 2540D-2015
Pace Analytical Services-Eden
Total Suspended Solids 12.6 mg/L 4.1 1 01/10/24 15:06
1664 SGT-HEM,TPH Analytical Method:EPA 1664B
Pace Analytical Services-Charlotte
Total Petroleum Hydrocarbons ND mg/L 4.9 1 01/18/24 14:31
200.7 MET ICP Analytical Method:EPA 200.7 Preparation Method:EPA 200.7
Pace Analytical Services-Ormond Beach
Copper 0.0051 mg/L 0.0050 1 01/12/24 05:47 01/12/24 13:16 7440-50-8
Lead ND mg/L 0.010 1 01/12/24 05:47 01/12/24 13:16 7439-92-1
Zinc 0.20 mg/L 0.020 1 01/12/24 05:47 01/12/24 13:16 7440-66-6
5220D COD Analytical Method:SM 5220D-2011 Preparation Method:SM 5220D-2011
Pace Analytical Services-Asheville
Chemical Oxygen Demand ND mg/L 25.0 1 01/17/24 12:36 01/18/24 10:15
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced,except in full,
Date:01/22/2024 11:40 AM without the written consent of Pace Analytical Services,LLC. Page 4 of 13

Pace Analytical Services,LLC
ace V 9800 Kincey Ave. Suite 100
Huntersville,NC 28078
[phone]
QUALITY CONTROL DATA
Project: STORMWATER 01/09/24
Pace Project No.: 92707347
QC Batch: 824607 Analysis Method: SM 2540D-2015
QC Batch Method: SM 2540D-2015 Analysis Description: 2540D Total Suspended Solids
Laboratory: Pace Analytical Services-Eden
Associated Lab Samples: 92707347001,92707347002
METHOD BLANK: 4265244 Matrix: Water
Associated Lab Samples: 92707347001,92707347002
Blank Reporting
Parameter Units Result Limit Analyzed Qualifiers
Total Suspended Solids mg/L ND 2.5 01/10/24 15:00
LABORATORY CONTROL SAMPLE: 4265245
Spike LCS LCS %Rec
Parameter Units Conc. Result %Rec Limits Qualifiers
Total Suspended Solids mg/L 250 232 93 90-110
SAMPLE DUPLICATE: 4265246
92707302002 Dup
Parameter Units Result Result RPD Qualifiers
Total Suspended Solids mg/L 545 546 0
SAMPLE DUPLICATE: 4265247
92707391002 Dup
Parameter Units Result Result RPD Qualifiers
Total Suspended Solids mg/L 158 160 1
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:01/22/2024 11:40 AM without the written consent of Pace Analytical Services,LLC. Page 5 of 13

Pace Analytical Services,LLC
Pace/� 9800 Kincey Ave. Suite 100
j// �.+ Huntersville,NC 28078
(i(v v [phone]
QUALITY CONTROL DATA
Project: STORMWATER 01/09/24
Pace Project No.: 92707347
QC Batch: 826291 Analysis Method: EPA 1664B
QC Batch Method: EPA 1664B Analysis Description: 1664 SGT-HEM,TPH
Laboratory: Pace Analytical Services-Charlotte
Associated Lab Samples: 92707347001,92707347002
METHOD BLANK: 4272766 Matrix: Water
Associated Lab Samples: 92707347001,92707347002
Blank Reporting
Parameter Units Result Limit Analyzed Qualifiers
Total Petroleum Hydrocarbons mg/L ND 5.0 01/18/24 14:19
LABORATORY CONTROL SAMPLE: 4272767
Spike LCS LCS %Rec
Parameter Units Conc. Result %Rec Limits Qualifiers
Total Petroleum Hydrocarbons mg/L 20 16.4 82 64-132
MATRIX SPIKE SAMPLE: 4272768
92707902002 Spike MS MS %Rec
Parameter Units Result Conc. Result %Rec Limits Qualifiers
Total Petroleum Hydrocarbons mg/L ND 19.8 16.3 81 64-132
SAMPLE DUPLICATE: 4272769
92707837002 Dup
Parameter Units Result Result RPD Qualifiers
Total Petroleum Hydrocarbons mg/L ND ND
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:01/22/2024 11:40 AM without the written consent of Pace Analytical Services,LLC. Page 6 of 13

Pace Analytical Services,LLC
ace® 9800 Kincey Ave. Suite 100
Huntersville,NC 28078
[phone]
QUALITY CONTROL DATA
Project: STORMWATER 01/09/24
Pace Project No.: 92707347
QC Batch: 980251 Analysis Method: EPA 200.7
QC Batch Method: EPA 200.7 Analysis Description: 200.7 MET
Laboratory: Pace Analytical Services-Ormond Beach
Associated Lab Samples: 92707347001,92707347002
METHOD BLANK: 5393554 Matrix: Water
Associated Lab Samples: 92707347001,92707347002
Blank Reporting
Parameter Units Result Limit Analyzed Qualifiers
Copper mg/L ND 0.0050 01/12/24 12:21
Lead mg/L ND 0.010 01/12/24 12:21
Zinc mg/L ND 0.020 01/12/24 12:21
LABORATORY CONTROL SAMPLE: 5393555
Spike LCS LCS %Rec
Parameter Units Conc. Result %Rec Limits Qualifiers
Copper mg/L 0.25 0.25 100 85-115
Lead mg/L 0.25 0.26 103 85-115
Zinc mg/L 1.2 1.2 99 85-115
MATRIX SPIKE&MATRIX SPIKE DUPLICATE: 5393556 5393557
MS MSD
35853416001 Spike Spike MS MSD MS MSD %Rec
Parameter Units Result Conc. Conc. Result Result %Rec %Rec Limits RPD Qual
Copper mg/L 0.0026 0.25 0.25 0.28 0.27 110 109 70-130 2
U
Lead mg/L 0.0021 0.25 0.25 0.22 0.22 88 87 70-130 1
U
Zinc mg/L 0.011 U 1.2 1.2 1.1 1.1 90 89 70-130 1
MATRIX SPIKE&MATRIX SPIKE DUPLICATE: 5393558 5393559
MS MSD
92707432001 Spike Spike MS MSD MS MSD %Rec
Parameter Units Result Conc. Conc. Result Result %Rec %Rec Limits RPD Qual
Copper mg/L 306 0.25 0.25 0.56 0.55 100 99 70-130 1
ug/L
Lead mg/L ND 0.25 0.25 0.26 0.26 102 102 70-130 0
Zinc mg/L 35.7 1.2 1.2 1.3 1.3 99 98 70-130 0
ug/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:01/22/2024 11:40 AM without the written consent of Pace Analytical Services,LLC. Page 7 of 13

Pace Analytical Services,LLC '
9800 Kincey Ave. Suite 100
Pace/� Huntersville,NC 28078
Q/V G [phone]
QUALITY CONTROL DATA
Project: STORMWATER 01/09/24
Pace Project No.: 92707347
QC Batch: 825943 Analysis Method: SM 5220D-2011
QC Batch Method: SM 5220D-2011 Analysis Description: 5220D COD
Laboratory: Pace Analytical Services-Asheville
Associated Lab Samples: 92707347001,92707347002
METHOD BLANK: 4271270 Matrix: Water
Associated Lab Samples: 92707347001,92707347002
Blank Reporting
Parameter Units Result Limit Analyzed Qualifiers
Chemical Oxygen Demand mg/L ND 25.0 01/18/24 10:12
LABORATORY CONTROL SAMPLE: 4271271
Spike LCS LCS %Rec
Parameter Units Conc. Result %Rec Limits Qualifiers
Chemical Oxygen Demand mg/L 750 769 102 90-110
MATRIX SPIKE&MATRIX SPIKE DUPLICATE: 4271272 4271273
MS MSD
92707272005 Spike Spike MS MSD MS MSD %Rec
Parameter Units Result Conc. Conc. Result Result %Rec %Rec Limits RPD Qual
Chemical Oxygen Demand mg/L 35.0 100 100 144 144 109 109 90-110 0
MATRIX SPIKE&MATRIX SPIKE DUPLICATE: 4271274 4271275
MS MSD
92707279001 Spike Spike MS MSD MS MSD %Rec
Parameter Units Result Conc. Conc. Result Result %Rec %Rec Limits RPD Qual
Chemical Oxygen Demand mg/L 25.5 100 100 125 125 100 100 90-110 0
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:01/22/2024 11:40 AM without the written consent of Pace Analytical Services,LLC. Page 8 of 13

Pace Analytical Services,LLC
ace® 9800 Kincey Ave. Suite 100
Huntersville,NC 28078
[phone]
QUALIFIERS
Project: STORMWATER 01/09/24
Pace Project No.: 92707347
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.
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,unrounded 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 Acrylonitrile 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.
Reported results are not rounded until the final step prior to reporting.Therefore,calculated parameters that are typically reported as
"Total"may vary slightly from the sum of the reported component parameters.
Pace Analytical is TNI accredited.Contact your Pace PM for the current list of accredited analytes.
TNI-The NELAC Institute.
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced,except in full,
Date:01/22/2024 11:40 AM without the written consent of Pace Analytical Services,LLC. Page 9 of 13

Pace Analytical Services,LLC
9800 Kincey Ave. Suite 100
ace. Huntersville,NC 28078
[phone]
QUALITY CONTROL DATA CROSS REFERENCE TABLE
Project: STORMWATER 01/09/24
Pace Project No.: 92707347
Analytical
Lab ID Sample ID QC Batch Method QC Batch Analytical Method Batch
92707347001 OUTFALL 001 SM 25400-2015 824607
92707347002 OUTFALL 002 SM 2540D-2015 824607
92707347001 OUTFALL 001 EPA 1664E 826291
92707347002 OUTFALL 002 EPA 1664B 826291
92707347001 OUTFALL 001 EPA 200.7 980251 EPA 200.7 980318
92707347002 OUTFALL 002 EPA 200.7 980251 EPA 200.7 980318
92707347001 OUTFALL 001 SM 5220D-2011 825943 SM 5220D-2011 826228
92707347002 OUTFALL 002 SM 52200-2011 825943 SM 52200-2011 826228
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced,except in full,
Date:01/22/2024 11:40 AM without the written consent of Pace Analytical Services,LLC. Page 10 of 13

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DC#_Title: ENV-FRM-HUN1-0083 v03 Sample Condition Upon Receipt
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Effective Date: 11/29/2023
*Check mark top half of box if pH and/or dechlorination is verified and Project# •
within the acceptance range for preservation samples.
Exceptions:VOA,Coliform,TOC,Oil and Grease,DR0/8015(water)DOC,LLHg
**Bottom half of box Is to list number of bottles
***Check all unpreserved Nitrates for chlorine
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pH Adjustment Log for Preserved Samples
Sample ID Type of Preservative pH upon receipt Date preservation adjusted Time preservation Amount of Preservative Lot#
adjusted added
Note: Whenever there is a discrepancy affecting North Carolina compliance samples,a copy of this form will be sent to the North Carolina DENR Certification Office Q.e.
Out of hold,Incorrect preservative,out of temp,incorrect containers.
Qualtrax ID:69614 Page 2 of 2
Page 13 of 13

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