NCG120107_DMR_20210831

q> GOLDER
MEMBER OF WSP
August 30,2021 Project No. 1913614621
Mr. Levi Hiatt, EIT, Assistant Regional Engineer
North Carolina Department of Environmental Quality NC Department of
Division of Mineral, Energy, and Land Resources, Stormwater Division Environmental Quality
Land Quality Section, Winston-Salem Regional Office - Received
450 West Hanes Mill Road, Suite 300 AUG 3 1 2021
Winston-Salem, NC 27105
([e-mail]) Winston-Salem
Regional Office
MONTHLY NPDES COMPLIENCE SUBMITTAL FOR JULY AND AUGUST 2021
GREAT OAK LANDFILL, RANDOLPH COUNTY, NORTH CAROLINA
PERMIT NO. NCG120107
Dear Mr. Hiatt,
Stormwater monitoring is performed at the Great Oak Landfill under Permit No. NCG120107. Monthly monitoring
was initiated following consecutive exceedances of the fecal coliform benchmark at Pond-2 and Pond-3. The
purpose of this correspondence is to provide Stormwater Discharge Monitoring Reports (DMRs) for the July and
August 2021. There was no discharge in July 2021 from outfalls during a qualifying storm event within a
timeframe that would allow the submittal of the fecal coliform sample to the laboratory within the hold time.
Pond-2 and Pond-3 were sampled in August 2021, but Pond-1 and Pond-4 did not discharge within an
appropriate timeframe.
If you have any questions or require any additional information, please contact us. We appreciate your assistance
with this project.
Sincerely,
Golder Associates NC, Inc.
......r/0. (061,45
David "Dusty" Y. Reedy II, PG Rachel P. Kirkman, PG
Senior Hydrogeologist Principal and Senior Consultant
Golder Associates NC,Inc.
5B Oak Branch Drive,Greensboro,North Carolina,USA 27407 T:[phone] F:[phone]
Engineering Lic.No.C-2862/Geology Lic.No.C-399
Golder Associates NC,Inc.is a licensed user of the Golder trademark,and an associated operating entity
Golder and the G logo are trademarks of Golder Associates Corporation. golder.com

Mr.Levi Hiatt,EIT,Assistant Regional Engineer Project No. 1913614621
North Carolina Department of Environmental Quality August 30,2021
CC: Kyle Mertens, Environmental Protection Manager, Waste Management,
[e-mail]
Mike McFeeley, District Manager, Waste Management, 3597 Old Cedar
Falls Road, Randleman, North Carolina 27317. [e-mail]
Attachments: DMRs (2)
https://golderassociates.sharepoint.com/sites/142823/project files/5 technical work/phase 302 august stormwater
event/1913614621.302-01-I-revo-go_dmr.docx
GOLDER
MEMBER C!.far, 2

NCDEQ Division of Energy,Mineral and Land Resources
Stormwater Discharge Monitoring Report(DMR)Form for NCG120000
Landfills
Click here for instructions
Complete,sign,scan and submit the DMR via the Stormwater NPDES Permit Data Monitoring Report(DMR)Upload form within
30 days of receiving sampling results. Mail the original,signed hard copy of the DMR to the appropriate DEMLR Regional Office.
Certificate of Coverage No.NCG12 0107 Person Collecting Samples: Nicolas Tejeda-Torres
Facility Name:Great Oak Landfill Laboratory Name:Pace Analytical
Facility County:Guilford Laboratory Cert.No.: NC633
Discharge during this period:❑Yes 0 No (if no,skip to signature and date)
Has your facility implemented mandatory Tier response actions this sample period for any benchmark exceedances? 0 Yes Q No
if so,which Tier(I,II,or III)?
A copy of this DMR has been uploaded electronically via https://edocs.deq.nc.gov/Forms/SW-DMR ❑Yes EI No
Date Uploaded:
Analytical Monitoring Requirements for Outfalls with Industrial Activities—Benchmarks in(Red)
Parameter Parameter Outfall Pond? Outfall Pond2 Outfall Pond3 Outfall Pond4 Outfall
Code
N/A Receiving Stream Class C C C C
N/A Date Sample Collected MM/DD/YYYY
46529 24-Hour Rainfall in inches
C0530 TSS in mg/L(100 or 50•)
00400 IpH in standard units(6.0--9.0)
00340 Chemical Oxygen Demand in mg/L
(120)
31616 Fecal Coliform in p per 100 ml(1000)
Additional parameters for outfalls in drainage areas that use>55 gallons per month of new hydraulic oil on average
00552 Non-Polar Oil&Grease in mg/L(15)
NC011 Estimated New Motor/Hydraulic Oil
Usage in gal/month
Outfalls to Outstanding Resource Waters(ORW),High Quality Waters(HQW),Trout Waters(Tr)and Primary Nursery Areas(PNA)
have a benchmark TSs limit of 50 mg/L.All other water classifications have a benchmark of 100 mg/L
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,i dud' g the possibility of fines and imprisonment for knowing violations."
e/o7 14?
Signatu e of Permittee or Delegated Aut Individual bat
Email Address Phone Number

NCDEQ Division of Energy, Mineral and Land Resources
Stormwater Discharge Monitoring Report(DMR)Form for NCG120000
Landfills
Click here for instructions
Complete,sign,scan and submit the DMR via the Stormwater NPDES Permit Data Monitoring Report(DMR)Upload form within
30 days of receiving sampling results. Mail the original,signed hard copy of the DMR to the appropriate DE MLR Regional Office.
Certificate of Coverage No.NCG12 0107 Person Collecting Samples: Nicolas Tejeda-Torres
Facility Name: Great Oak Landfill Laboratory Name:Pace Analytical
Facility County:Guilford Laboratory Cert. No.: NC633
Discharge during this period:0 Yes ❑No (if no,skip to signature and date)
Has your facility implemented mandatory Tier response actions this sample period for any benchmark exceedances? Q Yes ❑ No
If so,which Tier(l, II,or III)? n.mwrvaze+bw..m
A copy of this DMR has been uploaded electronically via https://edocs.deq.nc.gov/Forms/SW-DMR ❑Yes El No
Date Uploaded:
Analytical Monitoring Requirements for Outfalls with Industrial Activities—Benchmarks In(Red)
Parameter Parameter Outfall Pond1 Outfall Pond2 Outfall Pond3 Outfall Pond4 Outfall
Code
N/A Receiving Stream Class C C C C
N/A Date Sample Collected MM/DD/YYYY 08/03/2021 08/03/2021 08/03/2021 08/03/2021
46529 24-Hour Rainfall in inches 0.01 0.01 0.01 0.01
C0530 T55 in mg/L(100 or S01 -- 3:1g. 54.0 --
00400 pH in standard units(6.0—9.0) -- 5.81 7.34 --
00340 Chemical Oxygen Demand in mg/L
(120) 33.1 ND --
31616 Fecal Coliform in t►per 100 ml(1000) -- 500 --
Additional parameters for outfalls in drainage areas that use>55 gallons per month of new hydraulic oil on average
00552 Non-Polar Oil&Grease in mg/L(15) -- <5 -- --
NCOIL Estimated New Motor/Hydraulic Oil
Usage in gal/month 755
*Outfalls to Outstanding Resource Waters(ORW),High Quality Waters(HOW),Trout Waters(Tr)and Primary Nursery Areas(PNA)
have a benchmark TSS limit of 50 mg/L.All other water classifications have a benchmark of 100 mg/L
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 liof true-accurate,and complete.I am aware that there are significant penalties for submitting
false information,includin the po 'bf y o fines and im . nment for knowing violations."
8 cP'7/a/
Signature of ittee or Delegated Authorized Indivi u I Da e
Email Address Phone Number

Pace Analytical Services,LLC
9800 Kinsey Ave. Suite100
ace Analytical
Huntersville.NC 28078078
www.pacelabs.com [phone]
August 12, 2021
David Reedy
Golder Associates, Inc.
5B Oak Brank Dr
Greensboro, NC 27407
RE: Project: Great Oak LF SA Stormwater
Pace Project No.: 92552997
Dear David Reedy:
Enclosed are the analytical results for sample(s)received by the laboratory on August 03, 2021. 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
If you have any questions concerning this report, please feel free to contact me.
Sincerely,
Nicole D'Oleo
nicole.d'[e-mail]
[phone]
Project Manager
Enclosures
P .
•2 �\ ' 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 15

Pace Analytical Services,LLC
a 9800 Kincey Ave. Suite 100
aceAnalytical Huntersville,NC 28078
www.pacelabs.com [phone]
CERTIFICATIONS
Project: Great Oak LF SA Stormwater
Pace Project No.: 92552997
Pace Analytical Services Charlotte
9800 Kincey Ave.Ste 100,Huntersville,NC 28078 South Carolina Certification#:99006001
Louisiana/NELAP Certification#LA170028 Florida/NELAP Certification#:E87627
North Carolina Drinking Water Certification#:37706 Kentucky UST Certification#:84
North Carolina Field Services Certification#:5342 VirginiaNELAP Certification#:460221
North Carolina Wastewater Certification#:12
Pace Analytical Services Asheville
2225 Riverside Drive,Asheville,NC 28804 North Carolina Wastewater Certification#:40
Florida/NELAP Certification#:E87648 South Carolina Certification#:99030001
North Carolina Drinking Water Certification#:37712 VirginiaNELAP Certification#:460222
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 15

Pace Analytical Services,LLC
m 9800 Kincey Ave. Suite 100
aceAnalytical Huntersviile,NC 28078
www.pacelabs.com [phone]
SAMPLE ANALYTE COUNT
Project: Great Oak LF SA Stormwater
Pace Project No.: 92552997
Analytes
Lab ID Sample ID Method Analysts Reported Laboratory
92552997001 Pond 2 SM 2540D-2011 LRB 1 PASI-E
SM 9222D-2006 MWF 1 PASI-E
EPA 1664B CJM 1 PASI-C
SM 5220D-2011 MDW 1 PASI-A
92552997002 Pond 3 SM 2540D-2011 LRB 1 PASI-E
SM 9222D-2006 MWF 1 PASI-E
SM 5220D-2011 JP1 1 PASI-A
PASI-A=Pace Analytical Services-Asheville
PASI-C=Pace Analytical Services-Charlotte
PASI-E=Pace Analytical Services-Eden
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 15

Pace Analytical Services,LLC
® 9800 Kincey Ave. Suite 100
aceAnalytical Huntersville,NC 28078
www.pacelabs.com [phone]
ANALYTICAL RESULTS
Project: Great Oak LF SA Stormwater
Pace Project No.: 92552997
Sample: Pond 2 Lab ID: 92552997001 Collected: 08/03/21 10:13 Received: 08/03/21 12:40 Matrix: Water
Parameters Results Units Report Limit DF Prepared Analyzed CAS No. Qual
2540D Total Suspended Solids Analytical Method:SM 2540D-2011
Pace Analytical Services-Eden
Total Suspended Solids 309 mg/L 17.2 1 08/04/21 13:00
MBIO 9222D Fecal Coliform EDN Analytical Method:SM 9222D-2006 Preparation Method:SM 9222D-2006
Pace Analytical Services-Eden
Fecal Coliforms 9000 CFU/100 mL 1.0 1 08/03/21 16:39 08/04/21 14:50
HEM,Oil and Grease Analytical Method:EPA 1664B
Pace Analytical Services-Charlotte
Oil and Grease ND mg/L 5.0 1 08/11/21 17:12 M1
5220D COD Analytical Method:SM 5220D-2011 Preparation Method:SM 5220D-2011
Pace Analytical Services-Asheville
Chemical Oxygen Demand 33.1 mg/L 25.0 1 08/10/21 21:45 08/11/21 14:56
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced,except in full,
Date:08/12/2021 04:23 PM without the written consent of Pace Analytical Services.LLC. Page 4 of 15

Pace Analytical Services,LLC
9800 Kincey Ave. Suite 100
aceAnalytical Huntersviile,NC 28078
www.pacelabs.eom [phone]
ANALYTICAL RESULTS
Project: Great Oak LF SA Stormwater
Pace Project No.: 92552997
Sample: Pond 3 Lab ID: 92552997002 Collected: 08/03/21 11:00 Received: 08/03/21 12:40 Matrix:Water
Parameters Results Units Report Limit DF Prepared Analyzed CAS No. Qual
2540D Total Suspended Solids Analytical Method:SM 2540D-2011
Pace Analytical Services-Eden
Total Suspended Solids 54.0 mglL 4.8 1 08/04/21 13:00
MBIO 9222D Fecal Coliform EDN Analytical Method:SM 9222D-2006 Preparation Method:SM 9222D-2006
Pace Analytical Services-Eden
Fecal Coliforms 500 CFU/100 mL 1.0 1 08/03/21 16:39 08/04/21 14:50
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 08/12/21 01:19 08/12/21 06:33
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced,except in full,
Date:08/12/2021 04:23 PM without the written consent of Pace Analytical Services,LLC. Page 5 of 15

Pace Analytical Services,LLC
0 9800
aceAnalytical vHunters ile,NCf28078
www.pacelabs.com [phone]
QUALITY CONTROL DATA
Project: Great Oak LF SA Stormwater
Pace Project No.: 92552997
QC Batch: 637875 Analysis Method: SM 2540D-2011
QC Batch Method: SM 2540D-2011 Analysis Description: 2540D Total Suspended Solids
Laboratory: Pace Analytical Services-Eden
Associated Lab Samples: 92552997001,92552997002
METHOD BLANK: 3348787 Matrix: Water
Associated Lab Samples: 92552997001,92552997002
Blank Reporting
Parameter Units Result Limit Analyzed Qualifiers
Total Suspended Solids mg/L ND 2.5 08/04/21 12:51
LABORATORY CONTROL SAMPLE: 3348788
Spike LCS LCS %Rec
Parameter Units Conc. Result %Rec Limits Qualifiers
Total Suspended Solids mg/L 250 248 99 90-110
SAMPLE DUPLICATE: 3348789
92552815001 Dup
Parameter Units Result Result RPD Qualifiers
Total Suspended Solids mg/L 43.2 43.3 0
SAMPLE DUPLICATE: 3348790
92552859001 Dup
Parameter Units Result Result RPD Qualifiers
Total Suspended Solids 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:08/12/2021 04:23 PM without the written consent of Pace Analytical Services,LLC. Page 6 of 15

Pace Analytical Services,LLC
aceAnalytical® 9800 Kincey Ave. Suite 100
Huntersviile,NC 28078
www.pacelabs.com [phone]
QUALITY CONTROL DATA
Project: Great Oak LF SA Stormwater
Pace Project No.: 92552997
QC Batch: 637795 Analysis Method: SM 9222D-2006
QC Batch Method: SM 9222D-2006 Analysis Description: 9222D Fecal Coliform(MF)-EDN
Laboratory: Pace Analytical Services-Eden
Associated Lab Samples: 92552997001,92552997002
METHOD BLANK: 3348578 Matrix: Water
Associated Lab Samples: 92552997001,92552997002
Blank Reporting
Parameter Units Result Limit Analyzed Qualifiers
Fecal Coliforms CFU/100 mL ND 1.0 08/04/21 14:50
SAMPLE DUPLICATE: 3348579
92553039003 Dup
Parameter Units Result Result RPD Qualifiers
Fecal Coliforms CFU/100 mL 23.0 25.0 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 orthe result.
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced,except in full,
Date:08/12/2021 04:23 PM without the written consent of Pace Analytical Services,LLC. Page 7 of 15

Pace Analytical Services,LLC
e 9800 Kincey Ave. Suite 100
aceAnalytical Huntersville,NC 28078
www.pacelabs.com [phone]
QUALITY CONTROL DATA
Project: Great Oak LF SA Stormwater
Pace Project No.: 92552997
QC Batch: 639669 Analysis Method: EPA 16648
QC Batch Method: EPA 1664E Analysis Description: 1664 HEM,Oil and Grease
Laboratory: Pace Analytical Services-Charlotte
Associated Lab Samples: 92552997001
METHOD BLANK: 3357811 Matrix: Water
Associated Lab Samples: 92552997001
Blank Reporting
Parameter Units Result Limit Analyzed Qualifiers
Oil and Grease mg/L ND 5.0 08/11/21 17:12
LABORATORY CONTROL SAMPLE: 3357812
Spike LCS LCS %Rec
Parameter Units Conc. Result %Rec Limits Qualifiers
Oil and Grease mg/L 40 33.5 84 78-114
MATRIX SPIKE SAMPLE: 3357813
92552997001 Spike MS MS %Rec
Parameter Units Result Conc. Result %Rec Limits Qualifiers
Oil and Grease mg/L ND 39.2 22.9 57 78-114 M1
SAMPLE DUPLICATE: 3357814
92553049001 Dup
Parameter Units Result Result RPD Qualifiers
Oil and Grease mg/L ND 4J
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:08/12/2021 04:23 PM without the written consent of Pace Analytical Services,LLC. Page 8 of 15

Pace Analytical Services,LLC
aceAnalytical® 9800 Kinsey Ave. Suite100
Huntersville,NC 28078078
www.pscelabs.com [phone]
QUALITY CONTROL DATA
Project: Great Oak LF SA Stormwater
Pace Project No.: 92552997
QC Batch: 639322 Analysis Method: SM 5220D-2011
QC Batch Method: SM 5220D-2011 Analysis Description: 5220D COD
Laboratory: Pace Analytical Services-Asheville
Associated Lab Samples: 92552997001
METHOD BLANK: 3356101 Matrix: Water
Associated Lab Samples: 92552997001
Blank Reporting
Parameter Units Result Limit Analyzed Qualifiers
Chemical Oxygen Demand mg/L ND 25.0 08/11/21 14:46
LABORATORY CONTROL SAMPLE: 3356102
Spike LCS LCS %Rec
Parameter Units Conc. Result %Rec Limits Qualifiers
Chemical Oxygen Demand mg/L 750 759 101 90-110
MATRIX SPIKE&MATRIX SPIKE DUPLICATE: 3356103 3356104
MS MSD
92552394002 Spike Spike MS MSD MS MSD %Rec
Parameter Units Result Conc. Conc. Result Result %Rec %Rec Limits RPD Qual
Chemical Oxygen Demand mg/L 325 100 100 419 412 95 88 90-110 2 M1
MATRIX SPIKE&MATRIX SPIKE DUPLICATE: 3356105 3356106
MS MSD
92552405001 Spike Spike MS MSD MS MSD %Rec
Parameter Units Result Conc. Conc. Result Result %Rec %Rec Limits RPD Qual
Chemical Oxygen Demand mg/L ND 100 100 119 114 111 106 90-110 4 M1,R1
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:08/12/2021 04:23 PM without the written consent of Pace Analytical Services,LLC. Page 9 of 15

Pace Analytical Services,LLC
aceAnalytical® 980o ncey Ave. Suite 100
Huntersville,NC 28078078
www.pacelaba.ccm [phone]
QUALITY CONTROL DATA
Project: Great Oak LF SA Stormwater
Pace Project No.: 92552997
QC Batch: 639720 Analysis Method: SM 5220D-2011
QC Batch Method: SM 5220D-2011 Analysis Description: 5220D COD
Laboratory: Pace Analytical Services-Asheville
Associated Lab Samples: 92552997002
METHOD BLANK: 3357970 Matrix: Water
Associated Lab Samples: 92552997002
Blank Reporting
Parameter Units Result Limit Analyzed Qualifiers
Chemical Oxygen Demand mg/L ND 25.0 08/12/21 06:32
LABORATORY CONTROL SAMPLE: 3357971
Spike LCS LCS %Rec
Parameter Units Conc. Result %Rec Limits Qualifiers
Chemical Oxygen Demand mg/L 750 762 102 90-110
MATRIX SPIKE&MATRIX SPIKE DUPLICATE: 3357972 3357973
MS MSD
92553701001 Spike Spike MS MSD MS MSD %Rec
Parameter Units Result Conc. Conc. Result Result %Rec %Rec Limits RPD Qual
Chemical Oxygen Demand mg/L 192 100 100 294 303 102 111 90-110 3 M1
MATRIX SPIKE&MATRIX SPIKE DUPLICATE: 3357974 3357975
MS MSD
92553701002 Spike Spike MS MSD MS MSD %Rec
Parameter Units Result Conc. Conc. Result Result %Rec %Rec Limits RPD Qual
Chemical Oxygen Demand mglL 57.2 100 100 164 161 106 104 90-110 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:08/12/2021 04:23 PM without the written consent of Pace Analytical Services,LLC. Page 10 of 15

Pace Analytical Services,LLC
0 9800 Kincey Ave. Suite 100
aceAnalytical Huntersville,NC 28078
www.pacataba.com [phone]
QUALIFIERS
Project: Great Oak LF SA Stormwater
Pace Project No.: 92552997
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.
Pace Analytical is TNI accredited.Contact your Pace PM for the current list of accredited analytes.
TNI-The NELAC Institute.
ANALYTE QUALIFIERS
M1 Matrix spike recovery exceeded QC limits. Batch accepted based on laboratory control sample(LCS)recovery.
R1 RPD value was outside control limits.
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced,except in full.
Date:08/12/2021 04:23 PM without the written consent of Pace Analytical Services,LLC. Page 11 of 15

Pace Analytical Services,LLC
® 9800 Kincey Ave. Suite 100
aceAnalytical Huntersville,NC 28078
www.pacelabs.com [phone]
QUALITY CONTROL DATA CROSS REFERENCE TABLE
Project: Great Oak LF SA Stormwater
Pace Project No.: 92552997
Analytical
Lab ID Sample ID QC Batch Method QC Batch Analytical Method Batch
92552997001 Pond 2 SM 2540D-2011 637875
92552997002 Pond 3 SM 2540D-2011 637875
92552997001 Pond 2 SM 92220-2006 637795 SM 9222D-2006 637797
92552997002 Pond 3 SM 9222D-2006 637795 SM 9222D-2006 637797
92552997001 Pond 2 EPA 1664B 639669
92552997001 Pond 2 SM 52200-2011 639322 SM 5220D-2011 639601
92552997002 Pond 3 SM 52200-2011 639720 SM 5220D-2011 639754
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced,except in full,
Date:08/12/2021 04:23 PM without the written consent of Pace Analytical Services,LLC. Page 12 of 15

� CHAIN-OF-CUSTODY/Analytical Request Docui WO# : 92552997
, ,�aceMafytical. The Chain-of-Custody is a LEGAL DOCUMENT.All relevant fields must be c
i w,ruiuniw
Submitting a sample via this chain of custody constitutes acknowledgment and acceptance of the Pace Terms and Conditions found at https://info.pacelabs.c 1111111/111
I'll MI
Ill
Section A Section B Section C
Required Client Information: Required Project Information: Invoice Information:
Company. Golder Associates,Inc. Report To. David Reedy Attention 92552997
Address: 58 Oak Brank Dr Copy To Company Name-.
Greensooro,NC 27407 Address. Regulatory Agency
Email: david [e-mail] Purchase Order 8: Pace Quote.
Phone: [phone] 'Fax Project Name. Great Oak LF SA Stormwater Pace Project Manager. nicoleA'oleolpacelabs.com. Statel Location
Requested Due Dale: Project it i Crj I,1,C..7 1 6 .`I Pace Profile S: 13239 NC
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Page 14 of 15

' Document Name: U ctJ Cocurnan!Reds:J:Fet raary 7,2023
Sampfu Condition Uaon Receiafi; Page 1 of 2
l /�f�t°'iJ'ilijf'C{°/• Cocument�No.: !swingAuthvitr:
f F•CaR•Cg 073-AevAS ?u:Coco:iras Qua!!t/Ct ice
r
'Chedc mark top hail of box if pH and/or dechlorination Is Project
verified and within the acceptance range for preservation
samples.
Exceptions:VGA,Ccifcrm,rCC,Cif and Grease,CRC/S013(w]ter,CCC,1L1-4g 1 )_\a"
°•Bottom half of box is to list number of bottle (1; I 1 )C
! � I ! i I � — � � g c t I .�•
w1QY7zi . AaNnrNG ? i3Mif
SrZ ? ZLI :! .t LhZv � = dZNtd `: ZV7.
n V L w N - z it = NO " tlnca � a Q m < 2 v+ � uu ry I.
�
� N Wffl
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c = = Z
a _ r n D ; d o `` y 3 .E EEn
J J 4 A a: n i a- E E E < e 6 N O tp u Q 0. it Sia d E S _, J E J a Q > > > > to Z ZT
E c e u e E E e , 1.C.0 E t c a .r ; e! J N R
ry O g g p ry 1 g al _ C T ` E 9 e J
vi .. ^ H v v ' 0 o o E
1 N ll Q
V •�) fV N N V lJ _ 1n N ¢ �,,, , v r+ N N ry
v m .r u ^� in .� m M Y r= r Q -a s a. a. a a. 2-3 a `� l7 l7 17 O ar o+ n m l7 u+ N M c
9 a: :� .O a b ! 3 Q d S d ¢ O > > > > jai vi Q 0
N I I I11 \\ i I \\ I\\\ 1 1 I I RNJ\ I 2 N _I \�\\\I I;�' \j\N}. ;3 �r
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pH Adjustment Log for Preserved Samples
5amp:e ID Tyye 9f arossrrai:vo pH upon receipt Dave pressrrat!un adjusted Trme preseratian /stunt of 7reserrative tot I
adivattd added
1 � i
Note:W`araver there:s a Csueaane/affecting%orth Caro!Ina compliance serrates,a copy al this form wig be sent to the Ncrth Carclina DEMR Certi!tppen Cffice{Lc
out of hold,Ircerre:t;fessr•n!:ve,out of Temp,incorrect containers.
• Page 15 of 15