NCG100199_MONITORING INFO_20191125

T71 /0
STORMWATER DIVISION CODING SHEET
NCG PERMITS
PERMITNO.
n/C6 jloL)� l
DOC TYPE
❑ HISTORICAL FILE
MONITORING REPORTS
DOC DATE
❑ a n t/ a S
YYYYMMDD

409 Rogm Viva Court.
�Atlantic
Raleigh. NC
''Mid
mc
oe 919,250.991 18 B
ii Engineering B Emlronmtintai Solutions
facslmilo 919,250.9950
MAAONLINE.COM
October 10, 2019
RECEI>/FD
NCDEO/DWR NOV 2
Attention: Central Files 5 201g
1617 Mail Service Center p-RTRAL FILES
Raleigh, North Carolina 27699-1617 SECTIOnJ
Subject: STORMWATER SAMPLING RESULTS
G&N USED AUTO PARTS
3850 SOUTH CHURCH STREET
ROCKY MOUNT, NORTH CAROLINA 27803
NPDES PERMIT NO. NCG700199
To Whom It May Concern:
Attached please find the Stormwater Discharge Monitoring Report (DMR) and analytical
report for the sampling conducted at the above -referenced site. A stormwater sample was
collected from Outfall 001 on September 10, 2019 and analyzed for total suspended
solids (TSS), pH, total recoverable lead, oil and grease and ethylene glycol. As indicated
on the attached DMR, all parameters were reported below or within their respective
benchmark values. If you have any questions or need additional information, please
contact me at 919-250-9918.
Sincerely,
MID -ATLANTIC ASSOCIATES, INC.
Ron J. Davis
Stormwater Services Manager
Attachment: Discharge Outfall Monitoring Report
EXPERIENCED CUSTOMER FOCUSED INNOVATIVE

STORMWATER DISCHARGE OUTFALL ($DO)
MONITORING REPORT
CERTIFICATE OF COVERAGE NO. NCG100199 SAMPLES COLLECTED DURING CALENDAR YEAR: 2019
FACILITY NAME G&N Used Auto Parts COUNTY Nash
PERSON COLLECTING SAMPLE(S) George Vagnieres PHONE NO. 252 977-3710
CERTIFIED LABORATORY(S)Pace Analytical Lab #12
Lab if Q ,.,LEASE REMEMBER TO SIGN ON THE REVERSE 4
e f t /JC:
Part A: Stormwater Benchmarks and Monitoring Results
N112 5 pq)y For sampling periods with no discharge, you must submit this discharge monitoring form noting "No Flow" or "No Discharge" within
30 days of the end of that period to comply with peimitlreporting;requirements.
,
t:CTfSv
Outfall
No.
Date:.
Sample Collected,
mo/dd/year-- ^•
Total`.
'Rainfall, -
inches, ::
00400`
'00530'
--=' :;
77023#x?`
01051,
78141"
-; pH,
• ^Standard �°
.Units ..
Total Suspended
^ -?Solids!(TSS),•.
.mg/L.
•' 'Non -polar."
��O&G/.TPW-r
r.,, (Method61664,;
SGT HEM)'r'y;i L .
-,Ethylene°Glycol
+ +�mg/L+, 'g= *
i'.Lead-Total- -,
o Recoverablegr,•
Total Toxic
- 3t.
""Organics ,
Benchmark
-
-
it..)
- 6.0-9.0 a'
.2:.er4
S00/50
`15ti�00
-
�DP�n'�
(Tiers2•and3)
0.03`
1.0
Outfall001
09/10/2019
2.0
8.0
9.1
0.9
<5.0
0.0054
NA
Note: If you report a sampled value in excess of the benchmark value, or outside the benchmark range for pH, you must implement Tier 1 or Tier 2 responses in the General
Permit.
iSee If pH values outside this range are recorded in sampled stormwater discharges, but ambient precipitation PH levels are lower, then the lower threshold of this benchmark
range is the pH of the precipitation (within instrument accuracy)instead of 6 S.U. Readings from an on -site or local rain gauge (or local precipitation data) must be documented
to demonstrate background concentrations were below the benchmark pH range of 6-9.
2See General Permit text to identify whether the more protective benchmark applies for especially sensitive receiving waters.
3For purposes of this permit the definition of Total Toxic Organics is that list as stated in Appendix D, Table II of Chapter 40 Code of Federal Regulations (CFR) Part 122.
Form SWU-251, last revised October25, 2012
Page 1 of 2

STORMWATER DISCHARGE OUTFALL (SDO)
MONITORING REPORT
Facilities that incorporate a solvent management plan into the Stormwater Pollution Prevention Plan may request that DWQ waive monitoring of total toxic organics. The solvent
management plan shall include a list of the total toxic organic compounds used and the other elements listed in the General Permit. For those facilities allowed such a waiver, the
discharger shall sign the following certification statement:
Solvent Management Plan Certification Statement
"Based upon my inquiry of the person or persons directly responsible for managing compliance with the permit monitoring requirement for total toxic organics (TTO), I
certify that to the best of my knowledge and belief, no dumping of concentrated toxic organics into the Stormwater or areas which are exposed to rainfall or
stormwater runoff has occurred since filing the last discharge monitoring report. I further certify that this facility is implementing all the provisions of the solvent
management plan included in the Stormwater Pollution Prevention Plan."
�6�26e ��tic�-S
Name (Print name)
presr `denF
Title int title)
Signature Date
Mail Original and one copy to:
Division of Water Quality
Attn: Central Files
1617 MailServiceCenter
Raleigh, North Carolina27699-1617
"1 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."
(Signature of Permittee or
(Date)
Form SWU-251, last revised October25, 2012
Page 2 of 2

aceAnalytical "
waw.pecelebtmn
September 20, 2019
Chuck Hoffman
Mid -Atlantic Associates, Inc
409 Rogers View Court
Raleigh, NC 27610
RE: Project: G & N USED AUTO PARTS
Pace Project No.: 92444954
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Dear Chuck Hoffman:
Enclosed are the analytical results for sample(s) received by the laboratory on September 11, 2019.
The results relate only to the samples included in this report. Results reported herein conform to the
most current, applicable TNI/NELAC standards and the laboratory's Quality Assurance Manual,
where applicable, unless otherwise noted in the body of the report.
If you have any questions concerning this report, please feel free to contact me.
Sincerely,
Tyriek Hooks
[e-mail]
[phone]
Project Manager
Enclosures
cc: Ron Davis, Mid Atlantic Associatees, Inc.
"c"R 6
ij
I
9g0 AtpQ,
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced. except in full,
without the written consent of Pace Analytical Services, LLC.
Page 1 of 13

1.
aceAnalytical e
I� eww.pecele6scorn
CERTIFICATIONS
Project: G & N USED AUTO PARTS
Pace Project No.: 92444954
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntemville, NC 28078
[phone]
Indiana Certification IDs
7726 Moller Road, Indianapolis, IN 46268
Ohio VAP Certification #: CL0065
Illinois Certification #: 200074
Oklahoma Certification #: 2018-101
Indiana Certification #: C-49-06
Texas Certification #: T104704355
'I KansaslNELAP Certification #: E-10177
West Virginia Certification #: 330
Kentucky UST Certification #: 80226
Wisconsin Certification #: 999788130
Kentucky WW Certification #: 98019
USDA Soil Permit #: P330-16-00257
Michigan Department of Environmental Quality, Laboratory
#9050
Charlotte Certification IDs
9800 Kincey Ave. Ste 100, Huntersville, NC 28078
South Carolina Certification #: 99006001
LouisianaMELAP Certification # LA170028
FloridalNELAP Certification #: E87627
North Carolina Drinking Water Certification #: 37706
Kentucky UST Certification #: 84
North Carolina Field Services Certification #: 5342
VirginiaNELAP Certification #: 460221
North Carolina Wastewater Certification #: 12
Asheville Certification IDs
2225 Riverside Drive, Asheville, NC 28804
North Carolina Wastewater Certification #: 40
FloridalNELAP Certification #: E87648
South Carolina Certification #: 99030001
Massachusetts Certification #: M-NC030
VirginiaNELAP Certification #: 460222
North Carolina Drinking Water Certification #: 37712
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, -I-C.
Page 2 of 13

aceAnalytical
I'
i aww.peceleas.mrri
SAMPLE ANALYTE COUNT
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Project:
Pace Project No.:
n
G & N USED AUTO PARTS
92444954
Analytes
Lab ID
Sample ID
Method
Analysts
Reported
Laboratory
''. 92444954001
OUTFALL NO. 1
EPA 16646
AACl
1
PASI-C
EPA 8015AIcohol-Glycol
CPH
1
PASI-1
EPA6010D
DS
1
PASI-A
SM 254OD-2011
NAL
i
PASI-A
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.
Page 3 of 13

(�55'ceAnalytical*
wxw.pecelabs.corn
ANALYTICAL RESULTS
Project: G 8 N USED AUTO PARTS
Pace Project No.: 92444954
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Sample: OUTFALL NO. 1
Parameters
Lab ID: 92444954001 Collected: 09/10/19 09:40 Received: 09/11/19 09:22 Matrix: Water
Results Units Report Limit OF Prepared Analyzed CAS No. Oual
1664 SGT-HEM, TPH
Analytical Method: EPA 1664B
Total Petroleum Hydrocarbons
NO mg/L 4.9 1
09/18/19 06:45
8015M Glycols in water
Analytical Method: EPA 8015 Alcohol -Glycol
Ethylene glycol
ND mg/L 5.0 1
09/1711915:53 107-21-1
6010 MET ICP
Analytical Method: EPA 601 OD Preparation Method: EPA 3010A
Lead
5.4 ug/L 5.0 1 09/12/19 19:30
09/14/19 20:04 7439-92-1
2540D Total Suspended Solids
Analytical Method: SM 254OD-2011
„ Total Suspended Solids
9.1 mg/L 2.9 1
09/15/19 18:30
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Dale: 09/20/2019 02:33 PM without the written consent of Pace Analytical Services, I.I.C. Page 4 of 13

(/5ace Analytical
www.pxNe6smn
QUALITY CONTROL DATA
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Project: G & N USED AUTO PARTS
Pace Project No.: 92444954
QC Batch: 498397
Analysis Method:
EPA 1664B
OC Batch Method: EPA 1664B
Analysis Description:
1664 SGT-HEM, TPH
Associated Lab Samples: 92444954001
METHOD BLANK: 2683076
Matrix: Water
',I Associated Lab Samples: 92444954001
Blank Reporting
Parameter Units
Result Limit
Analyzed Qualifiers
,I Total Petroleum Hydrocarbons mg/L
NO 4.8 09/18/19 06:33
LABORATORY CONTROL SAMPLE:
2683077
Spike LCS
LCS
%Rec
Parameter
Units
Cone. Result
% Rec
Limits
Qualifiers
Total Petroleum Hydrocarbons
mg/L
19.2
19.5
101
64-132
MATRIX SPIKE SAMPLE:
2683078
92445266001
Spike
MS
MS
% Rae
. Parameter
Units
Result
Cone.
Result
% Rae
Limits Qualifiers
Total Petroleum Hydrocarbons
mg/L
NO
19.4
19.4
91
64-132
I I
Results presented on this page are In the units Indicated by are -Units" column exceptwi ere an alternate unit is presented to the right of the result.
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Date: 09/20/2019 02:33 PM without the written consent of Pace Analytical Services, L-C.
Page 5 of 13

PaceAnalytical Services, LLC
9800 ncey Ave. SuiteeAnalytical•Huntersville,
NC 28078078eww.pecelagamm
-
[phone]
QUALITY CONTROL DATA
r Project: G & N USED AUTO PARTS
Pace Project No.: 92444954
QC Batch: 521772
Analysis Method: EPA 8015 Alcohol -Glycol
OC Batch Method: EPA 8015AIcohol-Glycol
Analysis Description: EPA 8015 Modified
Associated Lab Samples: 92444954001
e METHOD BLANK: 2407467
Matrix: Water
Associated Lab Samples: 92444954001
Blank Reporting
(I Parameter Units
Result Limit Analyzed Qualifiers
Ethylene glycol mg/L
NO 5.0 09/16/19 12:53
LABORATORY CONTROL SAMPLE: 2407468
Spike LCS LCS e/ Rec
Parameter Units
Cone. Result %Rec Limits Qualifiers
Ethylene glycol mg/L
25 29.6 119 48-150
MATRIX SPIKE & MATRIX SPIKE DUPLICATE: 2407469 2407470
MS MSD
92445077002
Spike Spike MS MSD MS MSD
e/ Rae
Parameter Units Result
Cone. Cone. Result Result %Rec %Rec
Limits RPD Qual
1, Ethylene glycol mg/L NO
25 25 20.0 21.4 80 85
34-153 7
Results presented on this page are in the units indicated by the "Units" column except where an alternate unit Is presented to the right of the result.
I
Date: 09/20/2019 02:33 PM
I
'I
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, U.C.
Page 6 of 13

I
aceAnalytical"
I wwwpscelabs.corn
I
QUALITY CONTROL DATA
Project: G & N USED AUTO PARTS
Pace Project No.: 92444954
QC Batch: 497587 Analysis Method: EPA6010D
QC Batch Method: EPA 3010A Analysis Description: 6010 MET
Associated Lab Samples: 92444954001
METHOD BLANK: 2679282
Associated Lab Samples: 92444954001
Parameter Units
Lead ug/L
LABORATORY CONTROL SAMPLE: 2679283
Parameter Units
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Matrix: Water
Blank Reporting
Result Limit Analyzed Qualifiers
ND 5.0 09/14/1919:31
Spike LCS LCS % Rec
Conic. Result % Rec Limits Qualifiers
Lead ug/L 500 503 101 80-120
MATRIX SPIKE & MATRIX SPIKE DUPLICATE: 2679284
2679285
MS
MSD
92445181002 Spike
Spike
MS
MSD
MS MSD
% Rec
Parameter Units Result Conc.
Conc.
Result
Result
% Rec % Rec
Limits RPD Qual
I, Lead ug/L ND 500
500
513
518
102 103
75-125 1
I I
Results presented on this page are In Me units Indicated by the'UnIW column except where an alternate unit is presented to the right of the result.
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
'Date: 09/20/2019 02:33 PM without the written consent of Pace Analytical Services, LLC.
�i
Page 7 of 13

I.
aceAnalytical
�1
www.pewlebscom
QUALITY CONTROL DATA
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Project: G & N USED AUTO PARTS
Pace Project No.: 92444954
QC Batch: 497936
Analysis Method: SM 2540D-2011
QC Batch Method: SM 254OD-2011
Analysis Description: 2540D Total Suspended Solids
Associated Lab Samples: 92444954001
, METHOD BLANK: 2681027
Matrix: Water
l; Associated Lab Samples: 92444954001
II
Blank Reporting
Parameter
Units
Result Limit
Analyzed Qualifiers
Total Suspended Solids
mg/L
NO 2.5
09/15/19 18:27
LABORATORY CONTROL SAMPLE & LCSD:
2681028
2681029
Spike LCS LCSD
LCS LCSD % Rae Max
Parameter
Units
Cone. Result Result
% Rae % Rec Limits RPD RPD Qualifiers
Total Suspended Solids
mg/L
252 248 246
98 98 90-110 1 5
SAMPLE DUPLICATE: 2681030
0
92445413001 Dup
Parameter
Units
Result Result
RPD Qualifiers
Total Suspended Solids
mg/L
224 256
13 D6
11
u
�i
Results presented on this page are in the units Indicated by the 'Unl sN column except where an alternate unit is presented to the right of the result.
j
,I Date: 09/20/2019 02:33 PM
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.
Page 8 of 13

aceAnalytical e
www.pacelabs.00m
QUALIFIERS
Project: G 8 N USED AUTO PARTS
Pace Project No.: 92444954
DEFINITIONS
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
DF - Dilution Factor, if reported, represents the factor applied to the reported data due to dilution of the sample aliquot.
NO - Not Detected at or above adjusted reporting limit.
TNTC - Too Numerous To Count
J - Estimated concentration above the adjusted method detection limit and below the adjusted reporting limit.
MDL -Adjusted Method Detection Limit.
PQL - Practical Quantilation Limit
RL - Reporting Limit - The lowest concentration value that meets project requirements for quantitative data with known precision and
I� bias for a specific analyte in a specific matrix.
S - Surrogate
1,2-Diphenylhydrazine decomposes to and cannot be separated from Azobenzene using Method 8270. The result for each analyte is
a combined concentration.
Consistent with EPA guidelines, unbounded data are displayed and have been used to calculate % recovery and RPD values.
LCS(D) - Laboratory Control Sample (Duplicate)
MS(D) - Matrix Spike (Duplicate)
DUP - Sample Duplicate
RPD - Relative Percent Difference
I NC - Not Calculable.
SG - Silica Gel - Clean -Up
U - Indicates the compound was analyzed for, but not detected.
�II Acid preservation may not be appropriate for 2 Chloroethylvinyl ether.
A separate vial preserved to a pH of 4-5 is recommended in SW846 Chapter 4 for the analysis of Acrolein and Acrylonitrile by EPA
Method 8260.
N-Nitrosodiphenylamine decomposes and cannot be separated from Diphenylamine using Method 8270. The result reported for
each analyte is a combined concentration.
,J Pace Analytical is TNI accredited. Contact your Pace PM for the current list of accredited analytes.
TNI -The NELAC Institute.
LABORATORIES
PASI-A
Pace Analytical Services - Asheville
PASI-C
Pace Analytical Services - Charlotte
PASI-I
Pace Analytical Services - Indianapolis
ANALYTE QUALIFIERS
� IDS
The precision between the sample and sample duplicate exceeded laboratory control limits.
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Dale: 09/20/2019 02:33 PM without the written consent of Pace Analytical Services, LLC. Page 9 of 13

mAnalytical
a»xcpscela6s.nxn
QUALITY CONTROL DATA CROSS REFERENCE TABLE
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Project:
Pace Project No.:
G & N USED AUTO PARTS
92444954
Analytical
Lab ID
Sample ID
QC Batch Method
QC Batch Analytical Method
Batch
92444954001
OUTFALL NO.1
EPA 1664B
498397
92444954001
OUTFALL NO. 1
EPA 8015 Alcohol -Glycol
521772
92444954001
OUTFALL NO.1
EPA 3010A
497587 EPA 601 OD
497641
92444954001
OUTFALL NO. 1
SM 254OD-2011
497936
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Date: 09/20/2019 02:33 PM without the written consent of Pace Analytical Services, L-C. Page 10 of 13

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