NCG100008_Monitoring Info_20201204

Mich Atlantic
Engineering & Environmental Solutions
November 23, 2020
NCDEQ/DWR
Attention: Central Files
450 West Hanes Mill Road, Suite 300
Winston-Salem, NC 27105
409 Rogers View Court
Raleigh, NC 27610
office 919.250.9918
facsimile 919.250.9950
MAAONLINE.COM
r went of
Enviro"Menta l
Received
Qua(ity
D'C 0
Winston-Salem
Regional Office
Subject: STORMWATER SAMPLING RESULTS
LEWISVILLE MOTOR COMPANY, INC.
5600 COUNTRY CLUB ROAD
WINSTON-SALEM, FORSYTH COUNTY, NORTH CAROLINA
PERMIT NCGl00008
MID -ATLANTIC JOB NO. 00OR1946.00
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 November 11, 2020 and analyzed for total suspended solids
(TSS), pH, total recoverable lead, oil and grease and ethylene glycol. As indicated on the
attached DMR, the results were reported below their respective benchmark values or
within their benchmark range. If you have any questions or need additional information,
please contact me at 919-250-9918.
Sincerely,
MID -ATLANTIC ASSOCIATES, INC.
14W1,1'0WPWA7
Paul W. Spangenberg
Director of Environmental Compliance
Attachments: Stormwater Discharge Monitoring Report
Laboratory Analytical Report
EXPERIENCED CUSTOMER FOCUSED INNOVATIVE

NCDEQ Division of Energy, Mineral and Land Resources
Stormwater Discharge Monitoring Report (DMR) Form for NCG100000
Used Motor Vehicles
Click here for instructions
Complete, sign, scan and submit the DMR via the Stormwater NPDES Permit Data Monitoring Report (DMR) Upload form within
30 days of receiving sampling results. Mail the original, signed hard copy of the DMR to the appropriate DEMLR Regional Office.
Certificate of Coverage No. NCG101 0 10 10 18 Person Collecting Samples: Justin Myers
Facility Name: Lewisville Motor Company S �`t' Laboratory Name: Pace
Facility County: Forsyth ,_`.'yr \ `' Laboratory Cert. No.: 12
Discharge during this period: ❑ Yes X No (if no, skip to signature and date)
Has your facility implementermandatory Tier response actions for any benchmark exceedances? ❑ Yes ❑■ No
If so, which Tier (I, II, or III)?
Part A: Analytical Monitoring Requirements for Outfalls with Industrial Activities — Benchmarks in (Red)
Parameter
Parameter
Outfall 1
Outfall
Outfall
Outfall
Outfall
Code
N/A
Receiving Stream Class
C
N/A
Date Sample Collected MM/DD/YYYY
11/11/2020
46529
24-Hour Rainfall in inches
0.61
00400
pH (6-9)
8.9
C0530
TSS in mg/L (100 or 50*)
3.5
01051
Lead, Total Recoverable in mg/L
<0.005
(.075)
78141
Total Toxic Organics in mg/L (1)
N/A
Ethylene Glycol in mg/L (any amount
77023
detected Tier One; 8,000 mg/L Tier
< 5.0
Two and Three)
00552
Non -Polar Oil & Grease in mg/L (15)
<5.0
NCOIL
New Motor/Hydraulic Oil Usage in
N/A
gal/month
* Outfalls to Outstanding Resource Waters (ORW), High Quality Waters (HQW), Trout Waters (Tr) and Primary Nursery Areas (PNA)
have a benchmark TSS limit of 50 mg/L. All other water classifications have a benchmark of 100 mg/I .
Notes (optional):
"I certify by my signature below, 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
knoyving violations."
ture of,Kermitlee or Delegated Authorized Individual Date

aceAnalytical
www.pacelabs.com
November 19, 2020
Paul Spangenberg
Mid -Atlantic Associates
409 Rogers View Court
Raleigh, NC 27610
RE: Project: Lewisville Motor Company
Pace Project No.: 92505491
Dear Paul Spangenberg:
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Enclosed are the analytical results for sample(s) received by the laboratory on November 11, 2020. The results relate only
to the samples included in this report. Results reported herein conform to the applicable TNI/NELAC Standards and the
laboratory's Quality Manual, where applicable, unless otherwise noted in the body of the report.
The test results provided in this final report were generated by each of the following laboratories within the Pace Network:
• Pace Analytical Services - Asheville
• Pace Analytical Services - Charlotte
• Pace Analytical Services - Indianapolis
If you have any questions concerning this report, please feel free to contact me.
Sincerely,
Tyriek Hooks
[e-mail]
[phone]
Project Manager
Enclosures
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

aceAnalytical
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Project: Lewisville Motor Company
Pace Project No.: 92505491
Pace Analytical Services Indianapolis
7726 Moller Road, Indianapolis, IN 46268
Illinois Accreditation #: 200074
Indiana Drinking Water Laboratory #: C-49-06
Kansas/TNI Certification #: E-10177
Kentucky UST Agency Interest #: 80226
Kentucky WW Laboratory ID #: 98019
Michigan Drinking Water Laboratory #9050
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Pace Analytical Services Charlotte
9800 Kincey Ave. Ste 100, Huntersville, NC 28078
Louisiana/NELAP Certification # LA170028
North Carolina Drinking Water Certification #: 37706
North Carolina Field Services Certification #: 5342
North Carolina Wastewater Certification #: 12
Pace Analytical Services Asheville
2225 Riverside Drive, Asheville, NC 28804
Florida/NELAP Certification #: E87648
North Carolina Drinking Water Certification #: 37712
CERTIFICATIONS
Ohio VAP Certified Laboratory #: CL0065
Oklahoma Laboratory #: 9204
Texas Certification #: T104704355
West Virginia Certification #: 330
Wisconsin Laboratory #: 999788130
USDA Soil Permit #: P330-19-00257
South Carolina Certification #: 99006001
Florida/NELAP Certification #: E87627
Kentucky UST Certification #: 84
Virginia/VELAP Certification #: 460221
North Carolina Wastewater Certification #: 40
South Carolina Certification #: 99030001
Virginia/VELAP Certification #: 460222
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC. Page 2 of 13

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SAMPLE ANALYTE COUNT
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Project:
Pace Project No.:
Lewisville Motor Company
92505491
Ana lytes
Lab ID
Sample ID
Method
Analysts
Reported
Laboratory
92505491001
Outfall No.1
EPA 1664B
HH
1
PASI-C
EPA 8015 Alcohol -Glycol
CPH
1
PASI-I
EPA 601 OD
BG2
1
PASI-A
SM 2540D-2011
ALP
1
PASI-A
PASI-A = Pace Analytical Services - Asheville
PASI-C = Pace Analytical Services - Charlotte
PASI-I = Pace Analytical Services - Indianapolis
REPORT OF LABORATORY ANALYSIS
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without the written consent of Pace Analytical Services, LLC. Page 3 of 13

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ANALYTICAL RESULTS
Project: Lewisville Motor Company
Pace Project No.: 92505491
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Sample: Outfall No.1
Parameters
Lab ID: 92505491001 Collected: 11/11/20 08:30 Received: 11/11/20 14:00 Matrix: Water
Results Units Report Limit DF Prepared Analyzed CAS No. Qual
Field Data
Analytical Method:
Pace Analytical Services - Charlotte
Performed by
Lewisville
1
11/11/20 08:30
Motor
Company
Collected By
Justin M.
1
11/11/20 08:30
Collected Date
11/11/20
1
11/11/20 08:30
Collected Time
08:30
1
11/11/20 08:30
pH
8.9 Std. Units
1
11/11/20 08:30
1664 SGT-HEM, TPH
Analytical Method: EPA 1664E
Pace Analytical Services - Charlotte
Total Petroleum Hydrocarbons
ND mg/L 5.0
1
11/19/20 09:46
8015M Glycols in water
Analytical Method: EPA 8015 Alcohol -Glycol
Pace Analytical Services - Indianapolis
Ethylene glycol
ND mg/L 5.0
1
11/17/20 19:42 107-21-1
6010 MET ICP
Analytical Method: EPA 601 OD Preparation Method: EPA 3010A
Pace Analytical Services - Asheville
Lead
ND ug/L 5.0
1 11/13/20 02:07
11/15/20 18:18 7439-92-1
2540D Total Suspended Solids
Analytical Method: SM 2540D-2011
Pace Analytical Services - Asheville
Total Suspended Solids
3.5 mg/L 2.5
1
11/14/20 11:48
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Date: 11 /19/2020 04:39 PM without the written consent of Pace Analytical Services, LLC. Page 4 of 13

aceAnalytical
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QUALITY CONTROL DATA
Project: Lewisville Motor Company
Pace Project No.: 92505491
QC Batch: 581465 Analysis Method: EPA 1664E
QC Batch Method: EPA 1664B Analysis Description: 1664 SGT-HEM, TPH
Laboratory: Pace Analytical Services - Charlotte
Associated Lab Samples: 92505491001
METHOD BLANK: 3075444
Associated Lab Samples: 92505491001
Parameter Units
Total Petroleum Hydrocarbons mg/L
Matrix: Water
Blank Reporting
Result Limit Analyzed Qualifiers
ND 5.0 11/19/20 09:39
LABORATORY CONTROL SAMPLE: 3075445
Spike LCS LCS
Parameter Units Conc. Result % Rec
Total Petroleum Hydrocarbons
MATRIX SPIKE SAMPLE
Parameter
Total Petroleum Hydrocarbons
mg/L 20 18.5
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
% Rec
Limits Qualifiers
92 64-132
3075446
92504562002 Spike MS MS % Rec
Units Result Conc. Result % Rec Limits Qualifiers
mg/L 6.6 20 12.7 30 64-132 M1
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.
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Date: 11/19/2020 04:39 PM without the written consent of Pace Analytical Services, LLC. Page 5 of 13

aceAnalytical
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QUALITY CONTROL DATA
Project: Lewisville Motor Company
Pace Project No.: 92505491
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
QC Batch: 593663 Analysis Method: EPA 8015 Alcohol -Glycol
QC Batch Method: EPA 8015 Alcohol -Glycol Analysis Description: EPA 8015 Modified
Laboratory: Pace Analytical Services - Indianapolis
Associated Lab Samples: 92505491001
METHOD BLANK: 2739045 Matrix: Water
Associated Lab Samples: 92505491001
Blank Reporting
Parameter Units Result Limit Analyzed Qualifiers
Ethylene glycol mg/L ND 5.0 11/17/20 19:02
LABORATORY CONTROL SAMPLE: 2739046
Spike LCS LCS % Rec
Parameter Units Conc. Result % Rec Limits Qualifiers
Ethylene glycol mg/L 25 19.0 76 47-167
MATRIX SPIKE & MATRIX SPIKE DUPLICATE: 2739114 2739115
MS MSD
92506089001 Spike Spike MS MSD MS MSD % Rec
Parameter Units Result Conc. Conc. Result Result % Rec % Rec Limits RPD Qual
Ethylene glycol mg/L ND 25 25 21.6 24.2 82 92 31-179 11
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.
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Date: 11/19/2020 04:39 PM without the written consent of Pace Analytical Services, LLC. Page 6 of 13

aceAnalytical
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QUALITY CONTROL DATA
Project: Lewisville Motor Company
Pace Project No.: 92505491
QC Batch: 580091 Analysis Method: EPA 601 OD
QC Batch Method: EPA 3010A Analysis Description: 6010 MET
Laboratory: Pace Analytical Services - Asheville
Associated Lab Samples: 92505491001
METHOD BLANK: 3068763 Matrix: Water
Associated Lab Samples: 92505491001
Blank Reporting
Parameter Units Result Limit Analyzed Qualifiers
Lead ug/L ND 5.0 11/15/20 17:55
LABORATORY CONTROL SAMPLE: 3068764
Parameter Units
Lead ug/L
Spike LCS LCS % Rec
Conc. Result % Rec Limits
500 486 97 80-120
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Qualifiers
MATRIX SPIKE & MATRIX SPIKE DUPLICATE: 3068765 3068766
MS MSD
92505711001 Spike Spike MS MSD MS MSD % Rec
Parameter Units Result Conc. Conc. Result Result % Rec % Rec Limits RPD Qual
Lead ug/L ND 250 250 243 247 96 98 75-125 2
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.
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Date: 11 /19/2020 04:39 PM without the written consent of Pace Analytical Services, LLC. Page 7 of 13

aceAnalytical
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QUALITY CONTROL DATA
Project: Lewisville Motor Company
Pace Project No.: 92505491
QC Batch: 580381 Analysis Method: SM 2540D-2011
QC Batch Method: SM 2540D-2011 Analysis Description: 2540D Total Suspended Solids
Laboratory: Pace Analytical Services - Asheville
Associated Lab Samples: 92505491001
METHOD BLANK: 3070273 Matrix: Water
Associated Lab Samples: 92505491001
Blank Reporting
Parameter Units Result Limit Analyzed Qualifiers
Total Suspended Solids mg/L ND 2.5 11/14/20 11:47
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
LABORATORY CONTROL SAMPLE: 3070274
Spike LCS LCS % Rec
Parameter Units Conc. Result % Rec Limits Qualifiers
Total Suspended Solids mg/L 250 248 99 90-110
SAMPLE DUPLICATE: 3070322
92505206003 Dup
Parameter Units Result Result RPD Qualifiers
Total Suspended Solids mg/L 244 260 7
SAMPLE DUPLICATE: 3070323
Parameter
Total Suspended Solids
92505566001 Dup
Units Result Result RPD Qualifiers
mg/L 60.2 61.6 2
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.
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Date: 11/19/2020 04:39 PM without the written consent of Pace Analytical Services, LLC. Page 8 of 13

(16
aceAnalytical
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QUALIFIERS
Project: Lewisville Motor Company
Pace Project No.: 92505491
DEFINITIONS
DF - Dilution Factor, if reported, represents the factor applied to the reported data due to dilution of the sample aliquot.
ND - 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.
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
PQL - Practical Quantitation Limit.
RL - Reporting Limit - The lowest concentration value that meets project requirements for quantitative data with known precision and
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, unrounded 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
NC - Not Calculable.
SG - Silica Gel - Clean -Up
U - Indicates the compound was analyzed for, but not detected.
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 ofAcrolein 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.
Pace Analytical is TNI accredited. Contact your Pace PM for the current list of accredited analytes.
TNI - The NELAC Institute.
ANALYTE QUALIFIERS
M1 Matrix spike recovery exceeded QC limits. Batch accepted based on laboratory control sample (LCS) recovery.
REPORT OF LABORATORY ANALYSIS
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Date: 11/19/2020 04:39 PM without the written consent of Pace Analytical Services, LLC. Page 9 of 13

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QUALITY CONTROL DATA CROSS REFERENCE TABLE
Project: Lewisville Motor Company
Pace Project No.: 92505491
Lab ID
Sample ID
92505491001
Outfall No.1
92505491001
Outfall No.1
92505491001
Outfall No.1
92505491001
Outfall No.1
92505491001
Outfall No.1
Date: 11 /19/2020 04:39 PM
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Analytical
QC Batch Method QC Batch Analytical Method Batch
EPA1664B 581465
EPA 8015 Alcohol -Glycol 593663
EPA 3010A 580091
SM 2540D-2011 580381
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.
EPA 601 OD 580106
Page 10 of 13

Pc7" eAnal IC[ir'
_ ,�
Sample Condition Upon Receipt(SCUR)
Pape 1 of 2
Document No.:
Issuing Authority:
g
F-CAR-CS-033-Rev.07
Pace Carolinas Quality Office
Laboratory receiving samples:
Asheville ❑ Eden❑ Greenwood ❑ Huntersville [� Raleigh❑
Mechanicsville❑ Atlanta❑ Kernersville❑
Sample Condition Client Name:
t WO# : 925p5491
upon ReceiptProject
Courier: d Ex ❑UPS ❑USPS ❑Client
1111111111111111
WIP
❑ Commercial ce [:]Other: Other:
82505481
Custody Seal Present? ❑Yes ®No Seals Intact? []Yes ❑No��'
Date/Initials Person Examining Contents: �l>
Packing Material: []Bubble Wrap ®Bubble Bags ❑None ❑ Other
Biological Tissue Frozen?
❑Yes []No ®N/A
Thermometer-.,2(
©Wet ❑ Blue
QiR Gun lo: 92TO61
❑None
Type of Ice:
- � Correction Factor:
Cooler Temp: Add/Subtract (°C) O.O
Temp should be above freezing to 60C
3.7
[:]Samples out of temp criteria. Samples on ice, cooling process
has begun
Cooler Temp Corrected (° )e
USDA Regulated Soil (E N/A, water sample)
Did samples origin to in a quarantine zone within the United States: CA, NY, or SC (check maps)?
ram_ _ r,�
Did samples originate from a foreign source (interpationally,
..,.i.. 4: w,Lm❑ n„rI Puartn QiMI? MYPS MNo
"Ica "Imv
comments/Discrepancy:
Chain of Custody Present?
rq(.s
[:)No
❑N/A
1.
Samples Arrived within Hold Time?
[@Yes
❑No
❑N/A
2.
Short Hold Time Analysis (02 hr.)?
❑Yes
No
❑N/A
3.
Rush Turn Around Time Requested?
❑Yes
R o
N/A
4.
Sufficient Volume?
We
❑No
❑N/A
5.
Correct Containers Used?
[fes
❑No
❑N/A
6.
-Pace Containers Used?
EgYes
❑No
❑N/A
Containers Intact?
[34es
❑No
❑N//A
7.
Dissolved analysis: Samples Field Filtered?
Oyes
❑No
[aTV/A
8.
Sample labels Match COC?
Q es
❑No
❑N/A
9.
-Includes Date/Time/ID/Analysis Matrix:
'll.1
Headspace in VOA Vials (>5-6mm)?
[22 e's
QNo
❑N/A
10. % �(
Trip Blank Present?
❑Yes
❑No
N/A
11.
Trip Blank Custody Seals Present?
❑Yes
[:]No
Qfg/A
COMMENTS/SAMPLE DISCREPANCY Field Data Required? Dyes ❑No
Lot ID of split containers:
CLIENT NOTIFICATION/RESOLUTION
Person contacted: Date/Time:
Project Manager SCURF Review: Date:
Project Manager SRF Review: Date:
Page 11 of 13

1 Sample Condition Upon Receipt(SCUR
4,KaceAnalYtic71 Document I\Jo.:
(' F-CAR-CS-033-Rev.07
Page 2 of 2
Issuing Authority:
Pace Carolinas Quality Office
'Check mark top half of box if pH and/or dechlorination is
verified and within the acceptance range for preservation
samples.
Exceptions: VOA, Coliform, TOC, Oil and Grease, DRO/8015 (water) DOC, LLHg
'�5`13ottom half of bo)c is to list number of bottles
Project #
WO#:92505491
PM: TIW Due Date: 11/20/20
CLIENT: 92-MID ATLAN
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pH Adjustment Log for Preserved Samples
Sample ID
Type of Preservative
pH upon recelpt
Date preservation adjusted
Time preservation
Amount of Preservative
Lot H
adjusted
added
,ti,,.., ;r ,—„ ,iinrtinn
m—#k r nrnlinn
rmmniinn[P samoles. a coov of
this form will be sent to the North Carolina OEHNR Certification Office (i.e.
Out of hold, incorrect preservative, out of temp, incorrect containers.
Page 12 of 13

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