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Pace Analytical Services,LLC
aeAnalytical 1377 South Park Drive
Kemersville,NC 27284
www.pacelabs.com
[phone]
Page 1 of 2
Laboratory Report
Accounts Payable Report Date: 07/03/2023
Ecoflo, Inc. Date Received: 06/19/2023
2750 Patterson Street
Greensboro, NC 27407
Project: Ecoflo-Stormwater
Pace Project No.:92673227
Sample: Outfall 1 Lab ID: 92673227001 Collected: 06/19/23 14:55 Matrix: Water
Method Parameters Results Units Report Limit Analyzed Qualifiers
SM 2540D-2015 Total Suspended Solids 55.4 mg/L 3.4 06/20/23 12:20
SM 4500-H+B-2011 pH at 25 Degrees C 6.5 Std.Units 0.10 06/20/23 09:41 H3
SM 5210B-2016 BOD,5 day 6.3 mg/L 2.0 06/25/23 11:03 R6
EPA 1664E Total Petroleum Hydrocarbons ND mg/L 5.0 06/30/23 17:00
EPA 200.8 Rev 5.4 1994 Lead 12.3 ug/L 1.0 06/23/23 09:50
SM 5220D-2011 Chemical Oxygen Demand 50.9 mg/L 10.0 06/24/23 05:33
Sample: Outfall 2 Lab ID: 92673227002 Collected: 06/19/23 14:15 Matrix: Water
Method Parameters Results Units Report Limit Analyzed Qualifiers
SM 2540D-2015 Total Suspended Solids 9.6 mg/L 3.6 06/20/23 15:58
SM 4500-H+B-2011 pH at 25 Degrees C 5.9 Std.Units 0.10 06/20/23 09:25 H3
SM 52106-2016 BOD,5 day 4.2 mg/L 2.0 06/25/23 10:58 B2
EPA 1664B Total Petroleum Hydrocarbons ND mg/L 5.0 06/30/23 17:00
EPA 200.8 Rev 5.4 1994 Lead 6.2 ug/L 1.0 06/23/23 09:55
SM 5220D-2011 Chemical Oxygen Demand 29.8 mg/L 10.0 06/24/23 05:33
Sample: Outfall 3 Lab ID: 92673227003 Collected: 06/19/23 14:35 Matrix: Water
Method Parameters Results Units Report Limit Analyzed Qualifiers
SM 2540D-2015 Total Suspended Solids 18.7 mg/L 4.6 06/20/23 15:58
SM 4500-H+B-2011 pH at 25 Degrees C 5.4 Std.Units 0.10 06/20/23 09:39 H3
SM 5210B-2016 BOD,5 day 3.6 mg/L 2.0 06/25/23 11:00
EPA 1664B Total Petroleum Hydrocarbons ND mg/L 5.0 06/30/23 17:00
EPA 200.8 Rev 5.4 1994 Lead 3.6 ug/L 1.0 06/23/23 10:00
SM 5220D-2011 Chemical Oxygen Demand 26.4 mg/L 10.0 06/24/23 05:33
ANALYTE QUALIFIERS
B2 Oxygen usage is less than 2.0 for all dilutions set. The reported value is an estimated less than value and is calculated
for the dilution using the most amount of sample.
H3 Sample was received or analysis requested beyond the recognized method holding time.
R6 The RPD between validsample dilutions exceeded 30%.
Reviewed by:
0� �" nv���J
Stephanie Knott
704-977-0981
[e-mail]
Pace Analytical Services Charlotte
South Carolina Laboratory ID:99006 North Carolina Field Services Certification#:5342
9800 Kincey Ave.Ste 100,Huntersville,NC 28078 North Carolina Wastewater Certification#:12
North Carolina Drinking Water Certification#:37706 South Carolina Laboratory ID:99006 Page 1 of 5

Pace Analytical Services,LLC
aceAnalytical 1377 South Park Drive
Kemersville,NC 27284
www.pacelabs.cam [phone]
i
Page 2 of 2
Pace Analytical Services Charlotte
South Carolina Certification#:99006001 Kentucky UST Certification#:84
South Carolina Drinking Water Cert.#:99006003 Louisiana DoH Drinking Water#:LA029
Florida/NELAP Certification#:E87627 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
Page 2 of 5

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OCU.....1 tle: ENV•i''RM-HUN1-00134 OA...Tech Spec Sample Condition
'Face Upon Receipt
••• .— .• 1 Effective Date 05e12 2022
'oratory receiving samples:
h eviII e I I Eden 7 Greenwood Huntersvtile —
Raleigh Mechanicsville . Atlanta _ Kernersvilie-,
=mple Condition Upon Client Name
Receipt &v.i / D orolect..1
f,== i/1,, fr,./ A.4—c----1"--
urier: Dad Ex E]
I Commerc a OPace riC:^er
xrier tracking Number:
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istody Seal Present' Dees i-x."
I •: Seals intact' D,,, , Date ;t1tiais Person Examining Content-.,
eking Material 7'4 •
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;ler Temp CC) 2" 9. Correction Factor Ast i 'S,,t•tr Iv ;•C I —:/ _
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rrected Cooler Temp *C)•
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sa-ro e.o-g 3-, a 7,..)-1-7.^1 4:::•se l."-'• •""e •.....5.1.11 CA so., .:,/ 5: .".•••••:4 - 1: 1 1-,•::?1 "tr."!/.1..."1 .) .:?' ..... ... •!' .1 •)
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Trip EVan<Custod,,Seas Presert7 ....__ Des 0:No C"$..A .....
COMMENTS/SAMPLE DISCREPANCY
r.e d Data Required' -.,• _ •
- -— - _
Temp Log Temp must be ma"ntained CLIENT NOTIFICATION/RESOWTION
at<6 C dur.rg login.record temp
every 20 minutes.
Time opened /5./0 Temp. 2- 4')
rme / y a put.n cooler
l•rne Temp. - -
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Protect Manager SCURF RevieN:
Date
Protect Manager SR?Review:
Data
40Ja tra A Doci.n.en;ID 70677 Pag 1 ,-.;,2
Page 4 of 5

I Document Name: Document Issued:November 15,2021
Bottle Identification Form(BIF) Page 1 of 1 I
2EAR8lyt1C3! [I Document No.: Issuing Authority:
F-CAR-CS-043-Rev.01 Pace Carolinas Quality Office
.....-/
*Check mark top half of box if pH and/or dechlorination is Project#
verified and within the acceptance range for preservation v /o
samples. C
Exceptions:VOA,Coliform,TOC,Oil and Grease,DRO/8015(water)DOC,LLHg
**Bottom half of box is to list number of bottles
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pH Adjustment Log for Preserved Samples 1
Sample ID Type of Preservative pH upon receipt Date preservation adjusted Time preservation Amount of Preservative Lot it
adjusted added
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Note: Whenever there is a discrepancy affecting North Carolina compliance samples,a copy of this form will be sent to the North Carolina DEHNR Certification Office(i.e.
Out of hold,incorrect preservative,out of temp,incorrect containers.
Page 5 of 5