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TNI
ENCO Laboratories
Accurate. Timely. Responsive. Innovative.
102-A Woodwinds Industrial Court
Cary NC, 27511
Phone: [phone] FAX: [phone]
Tuesday, January 19, 2021
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: Sharpe Plant 1
ENCO Workorder(s): CD19884
Dear Parker Alvis,
Enclosed is a copy of your laboratory report for test samples received by our laboratory on
Friday, January 8, 2021.
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,
A40
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. I Page 1 of 7

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SAMPLE SUMMARY/LABORATORY CHRONICLE
Client ID: Outfall-01 Lab ID: CD19884-01 Sampled: 01/08/21 12:40 Received: 01/08/21 14:00
Parameter Preparation Hold Date/Time(s)
SM 254OD-2011 NO PREP 01/15/21
Prep Date/Time(s) Analysis Date/Time(s)
01/14/21 10:10 01/14/21 10:10
FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 2 Of 7

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SAMPLE DETECTION SUMMARY
No positive results detected.
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: Outfall-01 Lab Sample ID:CD19884-01 Received: 01/08/21 14:00
Matrix: Water Sampled:01/08/21 12:40 Work Order: CD19884
Project: Sharpe Plant 1 Sampled By: Parker Alvis
Classical Chemistry Parameters
^ - ENCO Cary certified analyte [NC 591]
Analyte rCAS Numberl Results Flag Units DF MDL I'2 Batch Method Analyzed By Notes
Total Suspended SolidsA ND mg/1- 1 2.5 2.5 1A12025 SM 254OD-2011 01/14/21 10:10 ZGW
FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 4 Of 7

QUALITY CONTROL DATA
Classical Chemistry Parameters - Quality Control
Batch IA12025 - NO PREP
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Blank (1A12025-BLKI) Prepared & Analyzed: 01/14/2021 10:10
Spike Source %REC RPD
Anala Result Flag Q Units Level Result %REC Limits RPD Limit Notes
Total Suspended Solids 2.5 U 2.5 mg/L
LCS (1A12025-BSI) Prepared & Analyzed: 01/14/2021 10:10
Spike Source %REC
RPD
Analvte
Result
Flag
Q
Units
Level Result %REC Limits
RPD
Limit Notes
Total Suspended Solids
99
2.5
mg/L
100 99 80-120
Duplicate (1A12025-DUPI)
Prepared & Analyzed: 01/14/2021 10:10
Source: CD20972-01
Spike Source %REC
RPD
Analvte
Result
Flag
Q
Units
Level Result %REC Limits
RPD
Limit Notes
Total Suspended Solids
110
23
mg/L
110
6
20
Duplicate (1A12025-DUP2)
Prepared & Analyzed: 01/14/2021 10:10
Source: CE00034-01
Spike Source %REC
RPD
Analvte
Result
Flag
2
Units
Level Result %REC Limits
RPD
Limit Notes
Total Suspended Solids
180
25
mg/L
190
3
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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FLAGS/NOTES AND DEFINITIONS
B The analyte was detected in the associated method blank.
D The sample was analyzed at dilution.
J 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. I Page 6 of 7

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