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A -
A, ENCO Laboratorks
gg e
,.� a ,. � g Timely.
3: R 5 1 o �- 4_ o� � �;
102-A Woodwinds Industrial Court
Cary NC, 27511
Phone: [phone] FAX: [phone]
Tuesday, October 6, 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 11
ENCO Workorder(s): CD12460
Dear Parker Alvis,
Enclosed is a copy of your laboratory report for test samples received by our laboratory on
Tuesday, September 29, 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,
r�
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 fun. I Page 1 Of

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SAMPLE SUMMARY/LABORATORY CHRONICLE
Client ID: 001 Lab ID: CD12460-01 Sampled: 09/25/20 12:05 Received: 09/29/20 13:15
Parameter Preparation Hold Date/Time(s) Prep Date/Time(s) Analysis Date/Time(s)
SM 254OD-2011 NO PREP 10/02/20
10/01/20 15:04 10/01/20 15:04
Client ID: 002 Lab ID: CD12460-02 Sampled: 09/25/20 12:10 Received: 09/29/20 13:15
Parameter Preparation Hold Date/Time(s) Prep Date/Time(s) Analysis Date/Time(s)
SM 254OD-2011 NO PREP 10/02/20
10/01/20 15:04 10/01/20 15:04
Client ID: 003 Lab ID: CD12460-03 Sampled: 09/25/20 12:15 Received: 09/29/20 13:15
Parameter Preparation Hold Date/Time(s) Prep Date/Time(s) Analysis Date/Time(s)
SM 254OD-2011 NO PREP 10/02/20
10/01/20 15:04 10/01/20 15:04
FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. Page 2 Of %

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SAMPLE DETECTION SUMMARY
Client ID: 001
Lab ID: CD12460-01
Ana
Total Suspended Solids
Results BA9 MDL EQL
14 4.8 4.8
Units Method Notes
mg/L SM 254OD-2011
Client ID: 002
Lab ID: CD12460-02
Ana lvte
Total Suspended Solids
Results ELU MPL EM
12 5.0 5.0
Units Method Notes
mg/L SM 2540D-2011
Client ID: 003
Lab ID: CD12460-03
AnaNte
Total Suspended Solids
Results Eft MDL EQL
11 5.0 5.0
Units Method Notes
mg/L SM 2540D-2011
FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 3 Of 7

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ANALYTICAL RESULTS
Description: 001 Lab Sample ID: CD12460-01 Received: 09/29/20 13:15
Matrix: Water Sampled:09/25/20 12:05 Work Order: CD12460
Project: APAC Plant 11 Sampled By:John D.
Classical Chemistry Parameters
^ - ENCO Cory certified analyte [NC 5911
Analvte rCAS Numberl Resin Elm Units 2E ! 1 L E91. Batch Method Analyzed Notes
Total Suspended Solid$A 14 mg/L 1.92 4.8 4.8 0101007 SM 254OD-2011 10/01/20 15:04 DMJ
Descrion ipt: 002 Lab Sample ID:CD12460-02 Received: 09/29/20 13:15
Matrix: Water Sampled:09/25/20 12:10 Work Order: CD12460
Project: APAC Plant 11 Sampled By:John D.
Classical Chemistry Parameters
^ - ENCO Cary certified analyte [NC 5911
Analvte rCAS Numberl Results fbg Units DF lwM P9.1. Batch Method Anaiyyed Notes
Total Suspended SolidsA 12 mg/L 2 5.0 5.0 0301007 SM 254OD-2011 10/01/20 15:04 DMJ
Description: 003 Lab Sample ID:CD12460-03 Received: 09/29/20 13:15
Matrix: Water Sampled:09/25/20 12:15 Work Order: CD12460
Project: APAC Plant it Sampled By:John D.
Classical Chemistry Parameters
^ - ENCO Cary certified a-W [NC 591]
Analyte rCAS Number] Results Elan UWJA ME MU POL Ado Method Analyzed 63C Notes
Total Suspended SolidsA 11 mg/L 2 5.0 5.0 0301007 SM 254OD-2011 10/01/20 15:04 DMJ
FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in fun. I Page 4 Of 7

Cejg,664�-c
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QUALITY CONTROL DATA
Classical Chemistry Parameters - Quality Control
Batch 0701007 - NO PREP
Blank (0701007-BLK1) Prepared & Analyzed: 10/O1/2020 15:04
Spike Source %REC RPD
_Ana 6L Result Elm M Units Level Result %REC Limft RPD Limit Notes
Total Suspended Solids 2.5 U 2.5 mg/L
LCS (0101007-BSS) Prepared & Analyzed: 10/01/2020 15:04
Spike Source %REC
RPD
gnalgte
Result Elm M
Units
Level Result %REC Limits
RPD
Limit Notes
Total Suspended Solids
98 2.5
mg/L
100 98 80-120
Duplkate (0701007-DUPi)
Prepared & Analyzed: 1O/01/2020 15:04
Source: CD12462-01
Spike Source %REC
RPD
Analvte
Result ELM POL
Ulft
Level Resu %REC Limits
RPD
Limit Notes
Total Suspended Solids
16 12
mg/L
14
10
20
Duplicate (0703007-DUP2)
Prepared & Analyzed: 10/O1/2020 15:04
Source: CD10593-01
Spike Source %REC
RPD
Analvte
Reaelt Rao Pal.
Unita
Level Resu %REC Limits
RPD
Limit Notes
Total Suspended Solids
96 50
mg/L
80
18
20
FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. 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.
7 The reported value is between the laboratory method detection limit (MDL) 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

Sample Chain of Custody Form
Acct#: TH005 Preiog#: CD12460
Client El Group, Inc, (TH005) Project#/Reference: APAC Plant 11
Contact: Parker Alvis Required TAT 10
Ship To: 2101 Gateway Center Blvd., Suite 20
Morrisville, NC 27560
Report To: 2101 Gateway Center Blvd., Suite 20
Morrisville, NC 27560
ENCO Contact: Bill Scott
102-A Woodwinds Industrial Court
Cary, NC 27511
Morrisville, NC 27560
li _kKI-Mhor nntpwrtmp Sampled Samole ID Analyses/Containers
CD12460-01 9 7:d 5- 0
'A.
CD12460-02 1/2h"O )7-'10 007,
74 ;0
CD12460-03 0o 3
W
Temp:
Condition: ',IAcceptable Unacceptable
Analyses: TSS SM2540D
Containers: 1 - 1LP
Analyses: TSS SM2'A0D
Coritainets: I - ILP
Analyses: TSS SM2540D
Containers: 1 - 1 LP
RECEIVED
SEP 2 9 202D
Datel'Tn?e:
Datelrime.,
Notes,
Containers in this sample kit may contain cherrioW, preservatives as required by the EPA procedures. Information concerning the materials can be found below DO NOT rinse containers prior to
use,
Whan filling preserved containers, use caution not 10 Inhale vapors that may be caused in the chemical reaction between the sample and the preservatives Collect samples In 8 We;
or take appropriate precautions to avoid exposure to these fumes See cautions pajow pertaining to the hand" Of these materials
t is the shipper's responsibility to ensure that file sarnpies are packed in such a manner to prevent breakage and that any required temperature is maintained during transit until receipt at Inc.-
laboralcry
A temperature blank has been included to measure the ambient temperature of the cooler upon receipt at tie tat Please do not remove this container from the =Ief but pack alon9volh the
samples in a similar manner. This bottle contains deionized water only
The Information below are PRECAU11ONARY STATEMENTS ONLYI Ail potential ria.-ards posed by these matenals nave not been addressed For additional information or assistance, Please
contact your organaetiorfs safety professional
Cautions & Abbreviations HCJ Hydrochloric Acid - STRONG ACID! Avoid skin
arid eye contact it contact is made flush affected areas m7mattiately with water
-
HNO3, Nitric Acid -STRONG ACID! STRONG OXIDIZER, Avoid skin and eye contact If contact Is Made. flush affected areas immediately with water.
H3PO4 1 Phosphoric Acid - STRONG AC 10 1 Avoid s4lin, and eye 001`1180t If ccntarJ Is made, flush affected areas immediately with water.
H2SO4 Sulfuric Add -STRONG ACID' Avoid skin and eye contact it contact is made, flush attested -areas ,mmediatefy With water.
Arc Acid Ascorbic Acid -Avoid skin and eye Contact If contact is made flush affected ateasimmediately with water.
ZnAc Zinc Acetate - Avoid skin and eye contact 11 contact is made. flush affected areas immediately With Water
Of 7
NaHSO4 Sod ,umThiosuffalle -Avoid skin and eye contact.It contact is made, flush affected areas immediately with water
F 7 Page 7
NaOH Sodium Hydroxide -STRONG CAUSTIC' Avoid skin and eye ctirtaCt VcUntaLlis made, flush affected areas immediately with water
MOOH Methanol -Avoid skin and eye contact if contact is made, flust, affected areas immediately with water.

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