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Accurate. Timely. Responsire.
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 40
ENCO Workorder(s): CD19014
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

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�— SAMPLE SUMMARY/LABORATORY CHRONICLE _J
Client ID: Outfall #i Lab ID: CD19014-01 Sampled: 11/12120 08:30 Received: 11/13/20 11:03
Parameter Preparation Hold Date/Time(s)
Prep Date/Time(s) Analysis Date/Time(s)
SM 2540D-2011 NO PREP 11/19/20 11/18/20 15:47 11/18/20 15:47
FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full Page Z Of %

F- SAMPLE DETECTION SUMMARY i
Client ID: Outfall #1 Lab ID: CD1901401
Analvte Results flag MDL PO4 mg/L
Total Suspended Solids 27 8.3 8.3 mg/L
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MetfiOd Notes
SM 254OD-2011
FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full.
Page 3 of 7

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ANALYTICAL RESULTS
Description: Outfall #1
Lab Sample ID:CD19014-01 Received: 11/13/20 11:03
Matrix: Water
Sampled:11/12/20 08:30 Work Order: CD19014
Project: APAC Plant 40 Sampled By:John R Leach
Classical Chemistry Parameters
^ - ENCO auy certified anaWfNC 591J BY N
hotes
An'�e 11rAk IN �` Batch Method Anatvzed
Numbed Remits EM W
Total Suspended Solids^ 27 mg/L 3.33 8.3 8.3 OK18026 SM 2540D-2011 11/18/20 15:47 DM1
FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 470 f 7

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QUALITY CONTROL DATA
3assical Chemistry Parameters - Quality Control
Oa&* OK18O26 - NO PREP
Prepared & Analyzed: 11/18/2020 15:47
Bunk (OK18026-BLK1)
Spike Source %REC
RPD
Analvte Resu Flag
POL
Units
Level Result %REC Limits
RPD
Limit Note
Total Suspended Solids 2.5 U
2.5
mg/L
Prepared &Analyzed: 11/18/2020 15:47
LCS (OK18026-BS1)
Spike Source %REC
RPD
Result fin
Ply
Units
Level Result %REC Limits
RPD
Limit Notes
Analvte
100
2.5
mg/L
100 104 80-120
Total Suspended Solids
Prepared & Analyzed: 11/18/2020 15:47
Duplicate (OK18026-DUPi)
Source: CD16113-01
Spike Source %REC
RPD
Result FIM
POL
units
Level RJR %REC Limits
RPD
kko t Notes
Analvte
Total Suspended Solids 93
42
mg/L
83
11
20
Prepared & Analyzed: 11/18/2020 15:47
Duplicate (OK18026-DUP2)
Source: CD11261-03
Spike Source %REC
RPD
Result BAR
POL
Units
Level R %REC Limits
RPD
Limit Notes
Anialvte
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. Page 5 Of 7

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@4 -u
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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 (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

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