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0 ENCO LabomtoriOs
102-A Woodwinds Industrial Court
Cary NC, 27511
Phone: [phone] FAX: [phone]
Tuesday, November 24, 2020
EI Group, Inc. (TH005)
Attn: Parker Alvis
2101 Gateway Center Blvd., Suite 200
Morrisville, NC 27560
RE: Laboratory Results for
Project Number: [none], Project Name/Desc: APAC Plant 9
ENCO Workorder(s): CD12469
Dear Parker Alvis,
Enclosed is a copy of your laboratory report for test samples received by our laboratory on
Friday, November 13, 2020.
Unless otherwise noted in an attached project narrative, all samples were received in
acceptable condition and processed in accordance with the referenced methods/procedures.
Results for these procedures apply only to the samples as submitted.
The analytical results contained in this report are in compliance with NELAC standards, except
as noted in the project narrative if applicable. This report shall not be reproduced except in
full, without the written approval of the Laboratory.
This report contains only those analyses performed by Environmental Conservation
Laboratories. Unless otherwise noted, all analyses were performed at ENCO Cary. Data from
outside organizations will be reported under separate cover.
If you have any questions or require further information, please do not hesitate to contact me.
Sincerely,
Bill Scott
Project Manager
Enclosure(s)
FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. Page 1 Of 7

C—
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I SAMPLE SUMMARY/LABORATORY CHRONICLE
ClnmtID i
Lab ID• CD12469-01
Sampled: 11/11/20 08:00
Received: 11/13/20 11:03
Parameter Pre rua ation
Hold Date/Time(sl
Prep Date/Time(s)
11J18/20 15:47
Analv�is D-'e/Time(.)
11/18/20 15:47
SM 254OD-2011 NO PREP
11/18/20
Lab ID: CD12469-02
Sampled: 11/11/20 08:30
Received: 11/13/20 11:03
Client ID: 2
Date/Time(sl
Analysis Date/Time(s)
Parameter Preparation
Hold Date/Time(s)
PMp
11/18/20 15:47
11/18/20 15:47
SM 254OD-2011 NO PREP
11/18/20
FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in fun. Page 2 Of 7

�wi�ewr�ru�rw��i
`# llNt s0eF
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SAMPLE DETECTION SUMMARY
Lab ID: CD12469-01
Client ID: 1
Results F�4 MDL JPOL
Units Method Notes
Analvte
46 12 12
mg/L SM 254OD-2011
Total Suspended Solids
Client ID: 2
Lab ID: CD12469-02
Results fm MU POL
Units Method Notes
Analvte
59 12 12
mg/L SM 254OD-2011
Total Suspended Solids
FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. Page 3 Of 7

Description: 1
Matrix: Water
Project- APAC Plant 9
(Classical Chemistry Parameters
^ - ENCO Cary certified anaW [NC 5911
Analvte fCAS Numbed Results flag
Total Suspended Solids^ 46
Description: 2
Matrix: Water
Project: APAC Plant 9
ANALYTICAL RESULTS
Lab Sample ID:CD12469-01
Sampled:11/11/20 08:00
Sampled By: Kenneth Sorrell
S C
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Received: 11/13/20 11:03
Work order: CD12469
Mau lE MDL POL ARM Meth2d Analyzed NIL Notes
mg/L 5 12 12 OK18026 SM 254OD-2011 11/18/20 15:47 DMJ
Lab Sample ID:CD12469-02 Received: 11/13/20 11:03
Sampled:11/11/20 08:30 Work order: CD12469
Sampled By: Kenneth Sorrell
(Classical Chemistry Parameters
^ - EAQ7 Carycertlfied anaW [NC 5911
AnalM rCAS Numberl Results Pin Units 2 MQL EQL 1112=11 Method AnalaW Sy Notes
Total Suspended Solids- 59 mg/L 5 12 12 OK18026 SM 254OD-2011 11/18/20 15:47 DMJ
FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. Page 4 of 7

ce�Nk�C-70_-
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QUALITY CONTROL DATA
^lassical Chemistry Parameters - Quality Control
000ma
Betdb OKI8026 - NO PREP
Prepared & Analyzed: 11/18/2020 15:47
Blank (OK18026-BLK1)
Spike Source %REC
RPD
Analvte Result Mac
P-QL-
Unrts
Level Result %REC Limits
RPD
Limit Notes
Total Suspended Solids 2.5 U
2.5
mg/L
Prepared & Analyzed: 11/18/2020 15:47
LCS (OK18026-BSI)
Spike Source %REC
RPD
Analvte Resul Elm
PQL
5!alb
Level Result %REC Limits
RPD
Limit Notes
Total Suspended Solids 100
2.5
mg/L
100 104 80-120
Duplicate (OK18026-DUPi)
Prepared & Analyzed: 11/18/2020 15:47
Source: CD16113-01
Spike Source %REC
RPD
Analvte Result am
PP L
Unm
Level Result %REC Limits
RPD
Limit Notes
Total Suspended Solids 93
42
mg/L
83
11
20
Duplicate (OK18026-DUP2)
Prepared & Analyzed: 11/18/2020 15:47
Source: CD11261.01
Spike Source %REC
RPD
Anal vte Result Plaq
P-QL
Units
Level Result %REC Limits
RPD
Limit Notes
Total Suspended Solids 71
25
mg/L
81
13
20
FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 5 Of 7

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I FLAGS/NOTES AND DEFINITIONS
B The analyte was detected in the associated method blank.
D The sample was analyzed at dilution.
The reported value is between the laboratory method detection limit (MDQ and the laboratory method
reporting limit (MRL), adjusted for actual sample preparation data and moisture content, where applicable.
U The analyte was analyzed for but not detected to the level shown, adjusted for actual sample preparation
data and moisture content, where applicable.
E The concentration indicated for this analyte is an estimated value above the calibration range of the
instrument. This value is considered an estimate.
MRL Method Reporting Limit. The MRL is roughly equivalent to the practical quantitation limit (PQL) and is
based on the low point of the calibration curve, when applicable, sample preparation factor, dilution
factor, and, in the case of soil samples, moisture content.
PQL PQL: Practical Quantitation Limit. The PQL presented is the laboratory MRL.
N The analysis indicates the presence of an analyte for which there is presumptive evidence (85% or greater
confidence) to make a "tentative identification".
P Greater than 25% concentration difference was observed between the primary and secondary GC column.
The lower concentration is reported.
[CALC] Calculated analyte - MDL/MRL reported to the highest reporting limit of the component analyses.
FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. Page 6 of 7

1 i
M111ii1A�
Sample Chain of Custody Form
Acci#. THaaS Prelog #: CD12469
Client El Group, Inc. (TH005) Pro;ect#1Reference: APAC Plant 9
Contact_ Parker Alvis Required TAT: 10
Ship To:
Report To:
CD12469-01
CD12469-02
2101 Gateway Center Blvd., Suite 20
Morrisville. NC 27560
2101 Gateway Center Blvd., Suite 20
Morrisville, NC 27560
DateMme Sampled
Vojm 11y112oyo
Sample ID
ENCC Contact: Bill Scott
102-A Woodwinds Industrial Court
Gary, NC 27511
Morrisville, NC 27560
Analyses/Containers
Analyses. TSS SM2540D
Containers: 1 - 1 LP
it -low Analyses: TSS SM2540D
Containers 1 - 1 LP
N Da el7ifn`
Sample By. Terrip: uished By 1 1--7
`u 1
Condition: !Acceptable _Unacceptable Received By: DatelT'ime
Notes'.
containers in this sample kit may contain chemical preservatives as required by the EPA procedures.. Information concerning the mate, tells can be found below DO NOT rinse gontamers prtor 1
use'
When filling preserved containers, use cau#ion not to inhale vapors that may be caused in the chemical reaction between the sample and the preservatives Collect samples in a *,all-verttiiated area
or take appropriate precautions to avoid exposure to these fumes. See cautions below pertaining to the handling of these materials
It is the shipper's responsibility to ensure trial the samples are packed in such a manner to prevent breakage and that any required temperature is maintained during transit until receipt at the
laboratory
A temperature blank has been included to measure the ambient temperature of the cotsiar upon receipt at the lab. release do not remove this container from the cooler, but pack along with the
samples in a Similar manner This bottle contains deionlzed water only
The information below are PRECAUTIONARY STATEMENTS ONLY1 All potential hazards posed by these materials have not been addressed. For additional information or assistance please
contact your argantzatton's safety professional.
C*,ons t3i Abbreviations
MCC i HydrocriforICAoid - STRONG ACID! Avoid skin and eye contactif contact is made, flush affected areas immediately witty water,
HNO3 Nitric Acid -STRONG ACiD' STRONG OXIDIZER! Avoid skin and eye contact # contact ismade, flush affected areas immediately, with water
H3PO4. PnospnoneAcid - STRONG ACID! Avoid skin and eye contact, if contact is made, flush affected areas immediately with water
H2SO4 Sulfuric Acid - STRONG ACID' Avoid skin and eye contact if contact is made, flush affected areas immediately with water.
Asc Ac d . Ascortiia Acid .Avoid skin and eye COMSCI if contact is made, flush affected areas immediately with water
ZnAc Zinc Acetate - Avoid skin and eye contact. If contact is made.. bush affected areas irrtmediately with water Page 7 Of 7
NaHSO4 . Sodium ThiasuHata -Avoid skin and aye contact If contact is made. flusn elected area. immediately with water.
NaOH Sodium Hydroxide -STRONG CAUSTIC' Avoid skin and eye contact_ d contact is made, flush attested areas t nmadtataiy w h water
McOH Methanol -Avoid skin and eye contact If contact is made, flush affected areas immediately with water