NCG160126_DMR_20210312

E Nc DePa to ent of
ReceivedQuality
MAR 12 2021
Winston-Salem
Regional Office
DowSign Envelope 10: FOSE3OBB-1F3"7CMB28.FSF2F53BD5D8
Semi-annual Stormwater Discharge Monitoring Report MMR
for North Carolina DEMLR General Permit No. NCG160000 - Asphalt
Date submitted 03oan021
CERTIFICATE OF COVERAGE NO. NCG160126 SAMPLE COLLECTION YEAR 2021
FACILITYNAME"AC%an115�15USHighw 1U.Slak Ws ,NC SAMPLE PERIOD Jan -June ❑July -Dec
COUNTY D"iffo14 or ❑ Monthly' (month)
PERSON COLLECTING SAMPLES Ronnie Helnnon DISCHARGING TO CLASS ❑ORW ❑HQW ❑Trout ❑PNA
LABORATORY ENCO Lab Cert.h ❑2ero-flow, ❑Water Supply ❑SA
Comments on sample collection or analysis: ❑Other
Part A: Stormwater Benchmarks and Monitoring Results
PLEASE REMEMBER TO SIGN ON THE REVERSE 4
n No discharge this period72
Outfall No.
Date Sample
Collected'
(mo/dd/yr)
24-hour rainfall
amount,
Inches
Total Suspended Solids
Benchmarks=>
-
-
100 mg/L or 50 mg/L4
001
02122/2021
0.2
35
'Monthly sampling (instead of semi-annual) must begin with the second consecutive benchmark exceedance for the same parameter at the same outfall.
'For sampling periods with no discharge at any single outfall, you must still submit this discharge monitoring report with a check mark here.
'The total precipitation must be recorded using data from an on -site rain gauge. Unattended sites may be eligible for a waiver of the rain gauge
4requirement. See General Permit text, Table 1, identifying the especially sensitive receiving water classifications where the more protective benchmark
applies.
Note: Results must be reported in numerical format. For example, do not report Below Detection Limit, BDL, <PQL, Non -detect, ND, or other similar non -
numerical format. When results are below the applicable limits, they must be reported in the format, "<XX mx/L", where XX is the numerical value of the
detection limit, reporting limit, quantitation limit, etc. In mg/L.
Note: If you report a sample value In excess of the benchmark, you must Implement Tier 1, TierZ or tier 3 responses. See General Permit text.
Permit Date: 08/01/2019-05/31/2024 SW U-252, last revised 09/04/2019
Page 1 of 2

DocuSign Envelope ID: FOSE3DB6-1F30-47CO-8828-F5F2F538D5D8
Part S: Vehicle Maintenance Area Monitoring Results: only for facilities averaging > SS gal of new oil per month.
rJ No discharge this period?'
Outfall No.
Date Sample
Collected'
(mo/dd/yr)
24-hour rainfall
amount,
Inches'
Non -polar O&G by EPA
1664 (SGT-HEM)
Total Suspended Solids
New Motor Oil or Hydraulic
Oil Usage, Annual average
gal/mo
Benchmarks =>
-
-
15 mg/L
100 /L or 50 mg/V
_
Footnotes from Part A also apply to this Part B
Note: If you report a sample value 1n excess of the benchmark, you must Implement Tier 1, Tler 2, or 71er 3 responses. See General Permit text.
FOR PART A AND PART B MONITORING RESULTS:
• A SINGLE BENCHMARK EXCEEDANCE TRIGGERS TIER 1 REQUIREMENTS.
• 2 EXCEEDANCES IN A ROW FOR THE SAME PARAMETER AT THE SAME OUTFALL TRIGGER TIER 2 REQUIREMENTS.
• TIER 3: HAS YOUR FACILITY HAD 4 OR MORE BENCHMARK EXCEEDANCES FOR THE SAME PARAMETER AT ANYONE OUTFALL? YES ❑ NO ❑
IF YES, HAVE YOU CONTACTED THE DEMLR REGIONAL OFFICE AS REQUIRED BYTHE PERMIT? YES ❑ NO ❑
REGIONAL OFFICE CONTACT NAME:
Mail an orlainal and one coav of this DMR, lncludina all "No Discharae" reports, within 30 days of receipt of the lab results for at end of monitorina period
In the case of "No Discharae" reports) to. -
Division of Water Resources
Attn: DWR Central Files
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
YOU MUST SIGN THIS CERTIFICATION FOR ANY INFORMATION REPORTED:
"I certify, under penalty of law, that this document and all attachments were prepared under my direction or supervision In accordance with a system designed to
assure that qualified personnel properly gather and evaluate the information submitted. Based on my Inquiry of the person or persons who manage the system, or
those persons directly responsible for gathering the Information, the Information submitted is, to the best of my knowledge and belief, true, accurate, and complete. I
am aware that there are significant penalties for submitting false Information, including the possibility of fines and imprisonment for knowing violations."
,,,--D"usroft, by:
14dc R&wl 3/9/2021
(Signature Pe%i Ittee) (Date)
Permit Date: 08/01/2019-05/31/2024 SWU-252, last revised 09/04/2019
Page 2 of 2

DocuSign Envelope ID: FOBOD86-1 F30-47CO-882B-F5F2F53BD5D8
r-
LAabo'
Aa�
ra
forges
•r
Responsive.Accurate. Timely.
102-A Woodwinds Industrial Court
Cary NC, 27511
Phone: [phone] FAX: [phone]
Monday, March 8, 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: APAC Plant 15
ENCO Workorder(s): CD19876
Dear Parker Alvis,
Enclosed is a copy of your laboratory report for test samples received by our laboratory on
Wednesday, February 24, 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,
301eeX474
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 fall. I Page 1 of 7

DocuSign Envelope ID: FOBE3DB6-1 F30-47C0-8826-F5F2F53BD5D8
C,
www.encolabs.com
SAMPLE SUMMARY/LABORATORY CHRONICLE
Client ID: Outfall *1 Lab ID: CD19876-01 Sampled: 02/22/21 16:45 Received: 02/24/21 14:34
Parameter Preparation Hold Date/Time(s) Prep Date/Time(s) Analysis DateLme(s)
SM 254OD-2011 NO PREP 03/01/21
03/01/21 11:34
03/02/21 12:52
FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. Page 2 of 7

DocuSign Envelope ID: FOBE3DB6-1 F30-47CO-882B-F5F2F53BD5D8
SAMPLE DETECTION SUMMARY
plent ID: Outfall #1 Lab ID: CD19876-01
Total Suspended Solids
Results B1as DL M units
35 2.5 2.5 mg/L
WL A
CEO
www.encolabs.com
Method Notes
SM 254OD-2011
FlNAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. Page 3 of 7

DocuSign Envelope ID: FOBE3DB6-1F30-47CO-882B-F5F2F53BD5D8
ANALYTICAL RESULTS
Description: Outfall #1 Lab Sample ID:CD19876-01
Matrix: Water Sampled: 02/22/2116:45
Project: APAC Plant 15 Sampled By: CLIENT
Classical Chemistry Parameters
Analyte MAS Numberl
Total Suspended Solids
www.encolabs.com
Received: 02/24/21 14: 34
Work Order: CD19876
Results Flaa Units DF MDL pQ Batch Method Analyzed ft Notes
35 mg/L 1 2.5 2.5 1C01017 SM 254OD-2011 03/02/21 12:52 AMP
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

DocuSign Envelope ID: FOBEM136-1 F30-47CO-8826-F5F2F53BM8
Ce: 7,Nkk C 19
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www.encolabs.com
QUALITY CONTROL DATA
Classical Chemistry Parameters - Quality Control
Batch ICOIO17 - NO PREP
Blank (1C01017-13M) Prepared: 03/01/2021 11:34 Analyzed: 03/02/2021 12:52
Spike Source %REC RPD
Analvte Result Elm ROL MIS Level Result %REC Llml RPD limit Dotes
Total Suspended Solids 2.5 U 2.5 mg/L
LCS (lCO1017-BS1) Prepared: 03/01/2021 11:34 Analyzed: 03/02/2021 12:52
Spike Source %REC
RPD
Ana[ttte
Result f1m EM
units
Level Result %REC Urrifts RPD
Limit Notes
Total Suspended Solids
90 2.5
mg/L
100 90 80-120
Dupilcate (lCO1017-DUPl)
Prepared: 03/01/2021 11:34 Analyzed: 03/02/2021 12:52
Source: AE01593-01
Spike Source %REC
RPD
Analvte
Result F1a_a EQL
Units
Level Kesul %REC Uml RPD
Limit Notes
Total Suspended Solids
44 2.5
mg/L
48 9
20
FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. F Page 5 of 7

DocuSign Envelope ID: FOBE3DB6-1F30-47CO-882B-F5F2F53BD5D8
C78 1 " =91
www.encolabs.com
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 (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. I Page 6 of 7

ENVIRONMENTAL CONSERVATION LABORATORIES CHAIN -OF -CUSTODY RECORD
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www.encolabs.com r-
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10775 Control Port br. 4010 Executive Paek Court. SiAe.111
10P•A'Woodwlnds Irtduslribl.Ct.
Qr!and% EL 32324 Jacksonviile. FL 32�16•6069
Cary, we 275t t
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(4&) 82�-5314 fax (804) 2i} G210'
[phone] • fax [phone]
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2101 Gatsway CenBtvd., Sulte 200
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Water SE-Sadmtent SW -Surface Water WIN-Wastamter A -Air 0-Mer (detail in comments)
Preservation* I -Ica H-HCI N-KNO3 S-H2SO4 NO-NaOH O-Ottt tdetail in comments)
Nose: All samples submitted to EN00 tabs area h accordance whit the forms and conditions tisteo - t she reverse of this form, unless prlor written agreements exist