WS-6690_30204_CA_RMR_20201113_GWSampling

October 2020 Risk-Based Groundwater Sampling Investigation
Former East Coast Metals Facility
2210 North Church Street
Greensboro, North Carolina 27405
Incident #30204
November 13, 2020
Prepared For
Mr. Bob Rodman
East Coast Sales
RJ Building
2210 North Church Street
Greensboro, NC 27405
Prepared By
Mr. Phillip Rahn P.G. #386 RSM #94
Waters Edge Environmental, LLC
1434 Chester Road
Raleigh, North Carolina 27608
919.219.5820
Received: 11/13/2020

1434 CHESTER ROAD • RALEIGH, NC 27608 • PHONE [phone]

November 13, 2020

Mr. Bob Rodman
East Coast Sales
East Coast Sales
RJ Building
2210 North Church Street
Greensboro, NC 27405

Reference: October 2020 Risk-Based Groundwater Sampling Investigation
Former East Coast Metals Facility
2210 North Church Street
Greensboro, North Carolina
Incident #30204

Dear Mr. Rodman:

Waters Edge Environmental, LLC (Waters Edge) is pleased to submit this October 2020 Risk-Based
Groundwater Sampling Investigation for the former East Coast Metals Facility located in Greensboro,
North Carolina. The ground water assessment results exceeded North Carolina 2L Standards for benzene
and C9-C22 aromatics but were below Gross Contamination Levels (GCLs). We would conclude that the
subject property would be suited to pursue a Notice of Residual Petroleum (NRP) Deed Restriction which
would allow for a No Further Action determination. The following report documents the results of the
October 2020 groundwater sampling investigation and presents our conclusions and recommendations for
the property.

Waters Edge appreciates the opportunity to provide environmental consulting services to East Coast Sales.
If you have any questions regarding the information contained herein, please do not hesitate to contact me
at 919.219.5820.

Sincerely,

WATERS EDGE ENVIRONMENTAL, LLC
Phillip L Rahn, P.G.
President

20-076/PLR/aht

ii
Table of Contents

1 Introduction 1
2 October 2020 Phase Soil and Groundwater Investigation 1
3 Conclusions and Recommendations 2

Figures

1 Past Soil Sample and Monitoring Well Location Map

Tables

1 Groundwater Analytical Results

Appendix

A SOPs
B Laboratory Analytical Results

iii
Acronym List

2L North Carolina 2L Groundwater Standards

AOC Area of concern

BA Brownfields Agreement

DEQ Division of Environmental Quality

DRO Diesel-Ranged Organics

ESA Environmental Site Assessment

GCL Gross Contamination Levels

GRO Gasoline-Ranged Organics

LUST Leaking Underground Storage Tank

MTBE Methyl-Tert Butyl Ether

NFA No Further Action

NRP Notice of Residual Petroleum

PAHs Polyaromatic Hydrocarbons

PID Photoionization Detector

PFAS Per- and polyfluoroalkyl substances

PWR Partially Weathered Rock

PSRGs Preliminary Soil Remediation Goals

SVOCs semi-volatile organic compounds

TPH Total Petroleum Hydrocarbons

UST Underground Storage Tank

VI Vapor Intrusion

VOCs Volatile Organic Compounds

Waters Edge Waters Edge Environmental, LLC

Page 1 of 2
October 2020 Risk-Based Groundwater Sampling Investigation
Former East Coast Metals Facility
2210 North Church Street
Greensboro, North Carolina
Incident #30204
November 12, 2020

1 Introduction

Waters Edge had previously conducted a June 18, 2003 Limited Site Assessment (LSA) for the
above-mentioned facility located in Greensboro, North Carolina (see Figure 1). Based on a
conversation and email with Gene Mao with Guilford County Department of Environmental
Health (GCDEH), he recommended the following work tasks to potentially petition for a No
Further Action (NFA) determination as follows:
• One soil boring would be emplaced adjacent to the former boring location at MW-
1/GP-3 and the highest photoionization detector (PID) reading selected for analysis
for the following parameters:
1. VOCs according to Method 602 plus xylenes
2. SVOCs according to EPA Method 625 plus tentatively identified
compounds (TICs)
3. MADEP VPH/EPH
• One groundwater sample would be collected from MW-1 and analyzed for the
same set of parameters as the soil sample.

Herein, is contained the results of our field investigation, laboratory analytical results and our
conclusions and recommendation for the subject property.

2 October 2020 Phase Soil and Groundwater Investigation

On October 14, 2020, Waters Edge mobilized with a senior environmental technician with a
hand auger to the subject property. Several attempts were made to advance a hand auger in the
area designated by Mr. Gene Mao near former locations GP-3 which had the highest TPH-
GRO/DRO detections during the June 2003 LSA sampling activities to obtain a soil sample for
risk-based analysis. However, we encountered either shallow concrete, asphalt or partially
weather rock (PWR) and as such were unsuccessful in obtaining a groundwater sample. This
was conveyed to Mr. Gene Mao in an email and he directed Waters Edge to just proceed and
collect a groundwater sample from MW-1.

A new polyethylene bailer was utilized to sample MW-1 according to the SOPs contained in
Appendix A. The groundwater was placed in laboratory supplied containers, submitted to the
laboratory and analyzed for the following:
• VOCs according to Method 6200B
• SVOCs plus TICs according to Method 625.1
• MADEP VPH/EPH

Groundwater sample results are summarized in Table 1 and documented in Appendix B.

October 2020 Risk-Based Groundwater Sampling Investigation
Former East Coast Metals Facility
2210 North Church Street
Greensboro, North Carolina
November 13, 2020

Page 2 of 2
3 Conclusions and Recommendations

We have the following results, conclusions and recommendations:

• The groundwater sample from MW-1 had exceedances for the following:
1. Benzene was detected at 3.1 ug/L which is in excess of the DEQ 2L Standard of 1
ug/L
2. Total C9-C22 Aromatics was detected at 396 mg/L versus the DEQ 2L Standard of
200 ug/L.
3. All remaining constituents were below their DEQ 2L Standard.
4. There were no exceedances of DEQ GCLs.
5. There were several listed SVOC TICs which have no DEQ 2L Standard or risk-based
concentration.

Based on these results, we would conclude that the site should be considered for a NRP Deed
Restriction which would allow for a NFA determination. If this is successfully completed, all
wells should be abandoned according to local and state regulations.

Figures
Job No.Image/Photo Date Title
R20-46 11.13.2020
File Name Figure Scale Project
R20-46.xls 1 unknown
Past Soil Boring & Monitoring Well Location Map
East Coast Metal / 2210 N Church St.
Greensboro, North Carolina
WATERS EDGE ENVIRONMENTAL, LLC
SB-3
LEGEND
UST Locations
2003 Soil Boring Locations
SB-2
SB-1GP-3

Tables
Table 1
Groundwater Analytical Results
Former East Coast Metal Distributors
2210 N. Church Street
Greensboro, North Carolina
Soil Sample Location:Method Units 2L GCL MW-1
Sample Date:m/d/y --10/14/20
Sample Description:---
Volatile Organic Compounds (VOCs)
Benzene 8260B ug/L 1.0 5,000 3.1
Diisopropyl Ether 8260B ug/L 70 70,000 5.8
Ethylbenzene 8260B ug/L 600 84,500 0.58
Isoprypyl Benzene 8260B ug/L 70 25,000 4.5
Metyl tert Butyl Ether 8260B ug/L 20 20,000 2.3
Naphthalene 8260B ug/L 6 6,000 5.8
Toluene 8260B ug/L 600 260,000 0.58
Xylenes 8260B ug/L 500 85,500 2.3
Total VOCs 8260B mg/L NS NS 24.96
Semivolatile Organic Compounds (SVOCs)
Total SVOCs 625.1 mg/L NS NS ND
SVOC Tics- Method 625.1
Indane 625.1 ug/L NS NS 21.8
1,2-Diethyl Benzene 625.1 ug/L NS NS 20.9
1-Methyl-2-Benzene 625.1 ug/L NS NS 57.3
1,2,4,5-Tetrame Benzene 625.1 ug/L NS NS 11.6
1-Methyl-Indan 625.1 ug/L NS NS 7.7
2-Ethenyl-1,4-d Benzene 625.1 ug/L NS NS 14.5
2,3-Dihydro-1H-Indene 625.1 ug/L NS NS 6.2
Total SVOC TICs 625.1 mg/L NS NS 140.0
Volatile Petroleum Hydrocarbons (VPH)- MADEP VPH
C5-C8 Aliphatics MADEP ug/L NS NS 349
C9-C12 Aliphatics MADEP ug/L NS NS 208
C9-C10 Aromatics MADEP ug/L NS NS 285
Extractable Petroleum Hydrocarbons (EPH)- MADEP EPH
C9-C18 Aliphatics MADEP ug/L NS NS ND
C19-C36 Aliphatics MADEP ug/L NS NS ND
C11-C22 Aromatics MADEP ug/L NS NS 111
VPH & EPH Totals
Total C5-C8 Aliphatics MADEP ug/L 400 NS 349
Total C9-C18 Aliphatics MADEP ug/L 700 NS 208
Total C19-C36 Aliphatics MADEP ug/L 10,000 NS ND
Total C9-C22 Aromatics MADEP ug/L 200 NS 396
Bold Values exceed 2L Standards
2L- NCDEQ Groundwater Standards (NCAC 2L .0202)
TICs- Tentatively Identified Compounds. All TICs have J-estimated values
NA= Not Analyzed
ND= Non-Detect
NS = No Standard Available

Appendix A

Waters Edge Environmental, LLC.
Standard Procedures: February 2001
Groundwater Sampling

rior to groundwater sample collection, the water level in each well is measured
with a decontaminated electric water level probe. Water level measurements
are used to create groundwater contour maps (either water table or
potentiometric) and to calculate well volumes. The wells are purged by
removing three to five times the well volume, or until dry, with decontaminated Teflon™
bailers, new disposable bailers, or low-flow submersible or peristaltic pumps to remove
stagnant water within the well, enabling the collection of a more representative
groundwater sample. Depending on the site status, temperature, specific conductivity,
pH, and dissolved oxygen are measured and recorded in the field, following the removal
of each volume of water. Samples are generally not collected until the field parameters
stabilize to within approximately 10% over consecutive measurements.

Groundwater Sample Collection:
Groundwater samples are typically collected within one hour of purging to minimize the loss of any
volatile organic compounds (VOCs) that may be present. Laboratory decontaminated bottom-valve Teflon
™ bailers, new disposable bailers, or low-flow submersible or peristaltic pumps may be used to withdraw
the samples.
All groundwater samples are decanted into laboratory provided containers appropriate for the parameters
being analyzed, preserved as required by the analytical technique, and labeled with the following
information: sampler’s name, date of collection, sample number, analysis to be preformed, and project
designation. Samples are stored and transported to the analytical laboratory in an insulated cooler chilled to
approximately 4.0 oC. To ensure sample integrity, all samples are transported in accordance with EPA
chain-of-custody protocols. All samples are typically transported to the laboratory within 48 hours of
sample collection, if possible.

Appendix B
#=CL#
November 09, 2020
LIMS USE: FR - PHIL RAHN
LIMS OBJECT ID: 92500481
92500481
Project:
Pace Project No.:
RE:
Mr. Phil Rahn
Waters Edge Environmental
1434 Chester Road
Raleigh, NC 27606
East Coast Metals
Dear Mr. Rahn:
Enclosed are the analytical results for sample(s) received by the laboratory on October 14, 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 National - Mt. Juliet
• Pace Analytical Services - Charlotte
If you have any questions concerning this report, please feel free to contact me.
Sincerely,
Clayton McCrickard
[e-mail]
Project Manager
[phone]
Enclosures
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.
Pace Analytical Services, LLC
205 East Meadow Road - Suite A
Eden, NC 27288
[phone]
Page 1 of 28
#=CP#
CERTIFICATIONS
Pace Project No.:
Project:
92500481
East Coast Metals
Pace Analytical Services National
12065 Lebanon Road, Mt. Juliet, TN 37122
Alabama Certification #: 40660
Alaska Certification 17-026
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DOD Certification: #1461.01
EPA# TN00003
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Georgia DW Certification #: 923
Georgia Certification: NELAP
Idaho Certification #: TN00003
Illinois Certification #: 200008
Indiana Certification #: C-TN-01
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Louisiana DW Certification #: LA180010
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New Hampshire Certification #: 2975
New Jersey Certification #: TN002
New Mexico DW Certification
New York Certification #: 11742
North Carolina Aquatic Toxicity Certification #: 41
North Carolina Drinking Water Certification #: 21704
North Carolina Environmental Certificate #: 375
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Ohio VAP Certification #: CL0069
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Texas Certification #: T 104704245-17-14
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USDA Soil Permit #: P330-15-00234
Utah Certification #: TN00003
Vermont Dept. of Health: ID# VT-2006
Virginia Certification #: VT2006
Virginia Certification #: 460132
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Wyoming UST Certification #: via A2LA 2926.01
A2LA-ISO 17025 Certification #: 1461.01
A2LA-ISO 17025 Certification #: 1461.02
AIHA-LAP/LLC EMLAP Certification #:100789
Pace Analytical Services Charlotte
9800 Kincey Ave. Ste 100, Huntersville, NC 28078
Louisiana/NELAP Certification # LA170028
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REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.
Pace Analytical Services, LLC
205 East Meadow Road - Suite A
Eden, NC 27288
[phone]
Page 2 of 28
#=SS#
SAMPLE SUMMARY
Pace Project No.:
Project:
92500481
East Coast Metals
Lab ID Sample ID Matrix Date Collected Date Received
92500481001 MW-1 Water 10/14/20 12:30 10/14/20 16:05
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.
Pace Analytical Services, LLC
205 East Meadow Road - Suite A
Eden, NC 27288
[phone]
Page 3 of 28
#=SA#
SAMPLE ANALYTE COUNT
Pace Project No.:
Project:
92500481
East Coast Metals
Lab ID Sample ID Method
Analytes
Reported LaboratoryAnalysts
92500481001 MW-1 MADEP EPH 7 PASI-CBAJ
MADEP VPH 6 PANBMB
EPA 625.1 67 PASI-CPKS
SM 6200B 17 PASI-CSAS
PAN = Pace National - Mt. Juliet
PASI-C = Pace Analytical Services - Charlotte
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.
Pace Analytical Services, LLC
205 East Meadow Road - Suite A
Eden, NC 27288
[phone]
Page 4 of 28
#=AR#
ANALYTICAL RESULTS
Pace Project No.:
Project:
92500481
East Coast Metals
Sample:MW-1 Lab ID:92500481001 Collected:10/14/20 12:30 Received:10/14/20 16:05 Matrix:Water
Parameters Results Units DF Prepared Analyzed CAS No.QualMDLLimit
Report
Analytical Method: MADEP EPH Preparation Method: MADEP EPH
Pace Analytical Services - Charlotte
MADEP EPH NC Water
Aliphatic (C09-C18)ND ug/L 11/02/20 13:12 N210/27/20 16:131001001
Aliphatic (C19-C36)ND ug/L 11/02/20 13:12 N210/27/20 16:131001001
Aromatic (C11-C22)111 ug/L 11/02/20 13:12 N210/27/20 16:131001001
Surrogates
1-Chlorooctadecane (S)30 %11/02/20 13:12 3386-33-2 S210/27/20 16:1340-140 1
o-Terphenyl (S)72 %11/02/20 13:12 84-15-1 P210/27/20 16:1340-140 1
2-Fluorobiphenyl (S)107 %11/02/20 13:12 321-60-810/27/20 16:1340-140 1
2-Bromonaphthalene (S)105 %11/02/20 13:12 580-13-210/27/20 16:1340-140 1
Analytical Method: MADEP VPH Preparation Method: MADEPV
Pace National - Mt. Juliet
MADEPV
Aliphatic (C05-C08)349 ug/L 11/07/20 04:07 H311/07/20 04:0710033.3 1
Aliphatic (C09-C12)208 ug/L 11/07/20 04:07 H311/07/20 04:0710033.3 1
Aromatic (C09-C10),Unadjusted 285 ug/L 11/07/20 04:07 TPHC9C10A H311/07/20 04:0710033.3 1
Total VPH 842 ug/L 11/07/20 04:07 VPH H311/07/20 04:0710033.3 1
Surrogates
2,5-Dibromotoluene (FID)94.6 %11/07/20 04:07 615-59-8FID11/07/20 04:0770.0-130 1
2,5-Dibromotoluene (PID)94.7 %11/07/20 04:07 615-59-8PID11/07/20 04:0770.0-130 1
Analytical Method: EPA 625.1 Preparation Method: EPA 625.1
Pace Analytical Services - Charlotte
625 RVE
Acenaphthene ND ug/L 10/22/20 15:16 83-32-910/20/20 21:065.0 2.0 1
Acenaphthylene ND ug/L 10/22/20 15:16 208-96-810/20/20 21:065.0 2.0 1
Anthracene ND ug/L 10/22/20 15:16 120-12-710/20/20 21:065.0 2.3 1
Benzo(a)anthracene ND ug/L 10/22/20 15:16 56-55-310/20/20 21:065.0 2.7 1
Benzo(a)pyrene ND ug/L 10/22/20 15:16 50-32-810/20/20 21:065.0 2.8 1
Benzo(b)fluoranthene ND ug/L 10/22/20 15:16 205-99-210/20/20 21:065.0 2.6 1
Benzo(g,h,i)perylene ND ug/L 10/22/20 15:16 191-24-210/20/20 21:065.0 2.8 1
Benzo(k)fluoranthene ND ug/L 10/22/20 15:16 207-08-910/20/20 21:065.0 2.7 1
4-Bromophenylphenyl ether ND ug/L 10/22/20 15:16 101-55-310/20/20 21:065.0 1.8 1
Butylbenzylphthalate ND ug/L 10/22/20 15:16 85-68-710/20/20 21:065.0 3.1 1
4-Chloro-3-methylphenol ND ug/L 10/22/20 15:16 59-50-710/20/20 21:065.0 3.3 1
bis(2-Chloroethoxy)methane ND ug/L 10/22/20 15:16 111-91-110/20/20 21:0610.0 1.8 1
bis(2-Chloroethyl) ether ND ug/L 10/22/20 15:16 111-44-410/20/20 21:065.0 1.9 1
2-Chloronaphthalene ND ug/L 10/22/20 15:16 91-58-710/20/20 21:065.0 1.7 1
2-Chlorophenol ND ug/L 10/22/20 15:16 95-57-810/20/20 21:065.0 1.2 1
4-Chlorophenylphenyl ether ND ug/L 10/22/20 15:16 7005-72-310/20/20 21:065.0 2.0 1
Chrysene ND ug/L 10/22/20 15:16 218-01-910/20/20 21:065.0 2.8 1
Dibenz(a,h)anthracene ND ug/L 10/22/20 15:16 53-70-310/20/20 21:065.0 3.0 1
3,3'-Dichlorobenzidine ND ug/L 10/22/20 15:16 91-94-110/20/20 21:0610.0 8.1 1
2,4-Dichlorophenol ND ug/L 10/22/20 15:16 120-83-210/20/20 21:065.0 1.4 1
Diethylphthalate ND ug/L 10/22/20 15:16 84-66-210/20/20 21:065.0 2.0 1
2,4-Dimethylphenol ND ug/L 10/22/20 15:16 105-67-910/20/20 21:0610.0 1.7 1
Dimethylphthalate ND ug/L 10/22/20 15:16 131-11-310/20/20 21:065.0 2.1 1
Di-n-butylphthalate ND ug/L 10/22/20 15:16 84-74-210/20/20 21:065.0 2.2 1
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.Date: 11/09/2020 09:59 AM
Pace Analytical Services, LLC
205 East Meadow Road - Suite A
Eden, NC 27288
[phone]
Page 5 of 28
#=AR#
ANALYTICAL RESULTS
Pace Project No.:
Project:
92500481
East Coast Metals
Sample:MW-1 Lab ID:92500481001 Collected:10/14/20 12:30 Received:10/14/20 16:05 Matrix:Water
Parameters Results Units DF Prepared Analyzed CAS No.QualMDLLimit
Report
Analytical Method: EPA 625.1 Preparation Method: EPA 625.1
Pace Analytical Services - Charlotte
625 RVE
4,6-Dinitro-2-methylphenol ND ug/L 10/22/20 15:16 534-52-110/20/20 21:0610.0 3.4 1
2,4-Dinitrophenol ND ug/L 10/22/20 15:16 51-28-510/20/20 21:0650.0 26.0 1
2,4-Dinitrotoluene ND ug/L 10/22/20 15:16 121-14-210/20/20 21:065.0 1.6 1
2,6-Dinitrotoluene ND ug/L 10/22/20 15:16 606-20-210/20/20 21:065.0 1.7 1
Di-n-octylphthalate ND ug/L 10/22/20 15:16 117-84-010/20/20 21:065.0 3.9 1
bis(2-Ethylhexyl)phthalate ND ug/L 10/22/20 15:16 117-81-710/20/20 21:065.0 3.7 1
Fluoranthene ND ug/L 10/22/20 15:16 206-44-010/20/20 21:065.0 2.2 1
Fluorene ND ug/L 10/22/20 15:16 86-73-710/20/20 21:065.0 2.1 1
Hexachloro-1,3-butadiene ND ug/L 10/22/20 15:16 87-68-310/20/20 21:065.0 1.8 1
Hexachlorobenzene ND ug/L 10/22/20 15:16 118-74-110/20/20 21:065.0 2.2 1
Hexachlorocyclopentadiene ND ug/L 10/22/20 15:16 77-47-410/20/20 21:0610.0 1.6 1
Hexachloroethane ND ug/L 10/22/20 15:16 67-72-110/20/20 21:065.0 1.4 1
Indeno(1,2,3-cd)pyrene ND ug/L 10/22/20 15:16 193-39-510/20/20 21:065.0 2.9 1
Isophorone ND ug/L 10/22/20 15:16 78-59-110/20/20 21:0610.0 1.7 1
Naphthalene ND ug/L 10/22/20 15:16 91-20-310/20/20 21:065.0 2.1 1
Nitrobenzene ND ug/L 10/22/20 15:16 98-95-310/20/20 21:065.0 1.9 1
2-Nitrophenol ND ug/L 10/22/20 15:16 88-75-510/20/20 21:065.0 1.4 1
4-Nitrophenol ND ug/L 10/22/20 15:16 100-02-710/20/20 21:0610.0 6.6 1
N-Nitrosodimethylamine ND ug/L 10/22/20 15:16 62-75-910/20/20 21:065.0 1.9 1
N-Nitroso-di-n-propylamine ND ug/L 10/22/20 15:16 621-64-710/20/20 21:065.0 1.3 1
N-Nitrosodiphenylamine ND ug/L 10/22/20 15:16 86-30-610/20/20 21:0610.0 3.0 1
2,2'-Oxybis(1-chloropropane)ND ug/L 10/22/20 15:16 108-60-110/20/20 21:065.0 1.2 1
Pentachlorophenol ND ug/L 10/22/20 15:16 87-86-510/20/20 21:0610.0 3.8 1
Phenanthrene ND ug/L 10/22/20 15:16 85-01-810/20/20 21:065.0 2.0 1
Phenol ND ug/L 10/22/20 15:16 108-95-210/20/20 21:065.0 1.4 1
Pyrene ND ug/L 10/22/20 15:16 129-00-010/20/20 21:065.0 2.2 1
1,2,4-Trichlorobenzene ND ug/L 10/22/20 15:16 120-82-110/20/20 21:065.0 1.7 1
2,4,6-Trichlorophenol ND ug/L 10/22/20 15:16 88-06-210/20/20 21:0610.0 1.6 1
Surrogates
Nitrobenzene-d5 (S)97 %10/22/20 15:16 4165-60-010/20/20 21:0610-120 1
2-Fluorobiphenyl (S)89 %10/22/20 15:16 321-60-810/20/20 21:0615-120 1
Terphenyl-d14 (S)121 %10/22/20 15:16 1718-51-010/20/20 21:0611-131 1
Phenol-d6 (S)50 %10/22/20 15:16 13127-88-310/20/20 21:0610-120 1
2-Fluorophenol (S)62 %10/22/20 15:16 367-12-410/20/20 21:0610-120 1
2,4,6-Tribromophenol (S)111 %10/22/20 15:16 118-79-610/20/20 21:0610-137 1
Tentatively Identified Compounds
Indane 21.8J ug/L 10/22/20 15:16 496-11-7 N10/20/20 21:061
Benzene, 1,2-diethyl-20.9J ug/L 10/22/20 15:16 135-01-3 N10/20/20 21:061
Benzene, 1-methyl-2-(1-m 57.3J ug/L 10/22/20 15:16 527-84-4 N10/20/20 21:061
Benzene, 1,2,4,5-tetrame 11.6J ug/L 10/22/20 15:16 95-93-2 N10/20/20 21:061
Indan, 1-methyl-7.7J ug/L 10/22/20 15:16 767-58-8 N10/20/20 21:061
Benzene, 2-ethenyl-1,4-d 14.5J ug/L 10/22/20 15:16 2039-89-6 N10/20/20 21:061
1H-Indene, 2,3-dihydro-1 6.2J ug/L 10/22/20 15:16 17057-82-8 N10/20/20 21:061
Unknown 7.2J ug/L 10/22/20 15:1610/20/20 21:061
Unknown 14.6J ug/L 10/22/20 15:1610/20/20 21:061
REPORT OF LABORATORY ANALYSIS
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without the written consent of Pace Analytical Services, LLC.Date: 11/09/2020 09:59 AM
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Page 6 of 28
#=AR#
ANALYTICAL RESULTS
Pace Project No.:
Project:
92500481
East Coast Metals
Sample:MW-1 Lab ID:92500481001 Collected:10/14/20 12:30 Received:10/14/20 16:05 Matrix:Water
Parameters Results Units DF Prepared Analyzed CAS No.QualMDLLimit
Report
Analytical Method: SM 6200B
Pace Analytical Services - Charlotte
6200B MSV
Benzene 0.0031 mg/L 10/23/20 15:43 71-43-20.00050 0.00024 1
Chlorobenzene ND mg/L 10/23/20 15:43 108-90-70.00050 0.00022 1
1,2-Dichlorobenzene ND mg/L 10/23/20 15:43 95-50-10.00050 0.00024 1
1,3-Dichlorobenzene ND mg/L 10/23/20 15:43 541-73-10.00050 0.00025 1
1,4-Dichlorobenzene ND mg/L 10/23/20 15:43 106-46-70.00050 0.00025 1
Diisopropyl ether 0.0058 mg/L 10/23/20 15:43 108-20-30.00050 0.00033 1
Ethylbenzene 0.00058 mg/L 10/23/20 15:43 100-41-40.00050 0.00024 1
Isopropylbenzene (Cumene)0.0045 mg/L 10/23/20 15:43 98-82-80.00050 0.00024 1
Methyl-tert-butyl ether 0.0023 mg/L 10/23/20 15:43 1634-04-40.00050 0.00044 1
Naphthalene 0.0058 mg/L 10/23/20 15:43 91-20-30.0020 0.00066 1
Toluene 0.00058 mg/L 10/23/20 15:43 108-88-30.00050 0.00023 1
Xylene (Total)0.0023 mg/L 10/23/20 15:43 1330-20-70.0010 0.00050 1
m&p-Xylene 0.0023 mg/L 10/23/20 15:43 179601-23-10.0010 0.00044 1
o-Xylene ND mg/L 10/23/20 15:43 95-47-60.00050 0.00024 1
Surrogates
1,2-Dichloroethane-d4 (S)102 %10/23/20 15:43 17060-07-070-130 1
4-Bromofluorobenzene (S)95 %10/23/20 15:43 460-00-470-130 1
Toluene-d8 (S)99 %10/23/20 15:43 2037-26-570-130 1
REPORT OF LABORATORY ANALYSIS
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without the written consent of Pace Analytical Services, LLC.Date: 11/09/2020 09:59 AM
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Page 7 of 28
#=QC#
QUALITY CONTROL DATA
Pace Project No.:
Project:
92500481
East Coast Metals
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.
QC Batch:
QC Batch Method:
Analysis Method:
Analysis Description:
1572400
MADEPV
MADEP VPH
MADEPV
Laboratory:Pace National - Mt. Juliet
Associated Lab Samples:92500481001
Parameter Units
Blank
Result
Reporting
Limit Qualifiers
METHOD BLANK:R3590453-3
Associated Lab Samples:92500481001
Matrix:Water
AnalyzedMDL
Aliphatic (C05-C08)ug/L ND 100 11/06/20 17:2533.3
Aliphatic (C09-C12)ug/L ND 100 11/06/20 17:2533.3
Aromatic (C09-C10),Unadjusted ug/L ND 100 11/06/20 17:2533.3
Total VPH ug/L ND 100 11/06/20 17:2533.3
2,5-Dibromotoluene (FID)%84.5 70.0-130 11/06/20 17:25
2,5-Dibromotoluene (PID)%84.3 70.0-130 11/06/20 17:25
Parameter Units
LCS
Result
% Rec
Limits Qualifiers% RecConc.
R3590453-1LABORATORY CONTROL SAMPLE & LCSD:
LCSSpike LCSD
% Rec RPD
Max
RPD
LCSD
Result
R3590453-2
Aliphatic (C05-C08)ug/L 11001200 91.7 70.0-13088.31060 3.70 25
Aliphatic (C09-C12)ug/L 12201400 87.1 70.0-13085.71200 1.65 25
Aromatic (C09-C10),Unadjusted ug/L 184200 92.0 70.0-13090.5181 1.64 25
Total VPH ug/L 25002800 89.3 70.0-13087.12440 2.43 25
2,5-Dibromotoluene (FID)%97.6 70.0-13094.0
2,5-Dibromotoluene (PID)%99.5 70.0-13095.3
REPORT OF LABORATORY ANALYSIS
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Page 8 of 28
#=QC#
QUALITY CONTROL DATA
Pace Project No.:
Project:
92500481
East Coast Metals
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.
QC Batch:
QC Batch Method:
Analysis Method:
Analysis Description:
575350
SM 6200B
SM 6200B
6200B MSV
Laboratory:Pace Analytical Services - Charlotte
Associated Lab Samples:92500481001
Parameter Units
Blank
Result
Reporting
Limit Qualifiers
METHOD BLANK:3045558
Associated Lab Samples:92500481001
Matrix:Water
AnalyzedMDL
1,2-Dichlorobenzene mg/L ND 0.00050 10/23/20 11:140.00024
1,3-Dichlorobenzene mg/L ND 0.00050 10/23/20 11:140.00025
1,4-Dichlorobenzene mg/L ND 0.00050 10/23/20 11:140.00025
Benzene mg/L ND 0.00050 10/23/20 11:140.00024
Chlorobenzene mg/L ND 0.00050 10/23/20 11:140.00022
Diisopropyl ether mg/L ND 0.00050 10/23/20 11:140.00033
Ethylbenzene mg/L ND 0.00050 10/23/20 11:140.00024
Isopropylbenzene (Cumene)mg/L ND 0.00050 10/23/20 11:140.00024
m&p-Xylene mg/L ND 0.0010 10/23/20 11:140.00044
Methyl-tert-butyl ether mg/L ND 0.00050 10/23/20 11:140.00044
Naphthalene mg/L ND 0.0020 10/23/20 11:140.00066
o-Xylene mg/L ND 0.00050 10/23/20 11:140.00024
Toluene mg/L ND 0.00050 10/23/20 11:140.00023
Xylene (Total)mg/L ND 0.0010 10/23/20 11:140.00050
1,2-Dichloroethane-d4 (S)%99 70-130 10/23/20 11:14
4-Bromofluorobenzene (S)%95 70-130 10/23/20 11:14
Toluene-d8 (S)%101 70-130 10/23/20 11:14
Parameter Units
LCS
Result
% Rec
Limits Qualifiers% RecConc.
3045559LABORATORY CONTROL SAMPLE:
LCSSpike
1,2-Dichlorobenzene mg/L 0.0540.05 109 60-140
1,3-Dichlorobenzene mg/L 0.0550.05 109 60-140
1,4-Dichlorobenzene mg/L 0.0540.05 108 60-140
Benzene mg/L 0.0500.05 101 60-140
Chlorobenzene mg/L 0.0530.05 106 60-140
Diisopropyl ether mg/L 0.0490.05 98 60-140
Ethylbenzene mg/L 0.0520.05 103 60-140
Isopropylbenzene (Cumene)mg/L 0.0540.05 108 60-140
m&p-Xylene mg/L 0.100.1 105 60-140
Methyl-tert-butyl ether mg/L 0.0510.05 101 60-140
Naphthalene mg/L 0.0610.05 121 60-140
o-Xylene mg/L 0.0530.05 107 60-140
Toluene mg/L 0.0500.05 100 60-140
Xylene (Total)mg/L 0.160.15 105 60-140
1,2-Dichloroethane-d4 (S)%107 70-130
4-Bromofluorobenzene (S)%100 70-130
Toluene-d8 (S)%98 70-130
REPORT OF LABORATORY ANALYSIS
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without the written consent of Pace Analytical Services, LLC.Date: 11/09/2020 09:59 AM
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Eden, NC 27288
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Page 9 of 28
#=QC#
QUALITY CONTROL DATA
Pace Project No.:
Project:
92500481
East Coast Metals
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.
Parameter Units
MS
Result
% Rec
Limits Qual% RecConc.
3045560MATRIX SPIKE & MATRIX SPIKE DUPLICATE:
MSSpike
Result
92500481001
3045561
MSD
Result
MSD
% Rec RPD RPD
Max
MSDMS
Spike
Conc.
1,2-Dichlorobenzene mg/L 0.02 113 60-140107 6 300.02ND 0.023 0.021
1,3-Dichlorobenzene mg/L 0.02 113 60-140107 5 300.02ND 0.023 0.021
1,4-Dichlorobenzene mg/L 0.02 113 60-140107 5 300.02ND 0.023 0.021
Benzene mg/L 0.02 103 60-140107 3 300.020.0031 0.024 0.025
Chlorobenzene mg/L 0.02 108 60-140107 0 300.02ND 0.022 0.021
Diisopropyl ether mg/L 0.02 104 60-140103 0 300.020.0058 0.027 0.027
Ethylbenzene mg/L 0.02 106 60-140106 0 300.020.00058 0.022 0.022
Isopropylbenzene
(Cumene)mg/L 0.02 113 60-140111 1 300.020.0045 0.027 0.027
m&p-Xylene mg/L 0.04 107 60-140108 1 300.040.0023 0.045 0.046
Methyl-tert-butyl ether mg/L 0.02 99 60-140102 2 300.020.0023 0.022 0.023
Naphthalene mg/L 0.02 123 60-140114 6 300.020.0058 0.030 0.028
o-Xylene mg/L 0.02 107 60-140107 0 300.02ND 0.022 0.022
Toluene mg/L 0.02 102 60-140105 3 300.020.00058 0.021 0.022
Xylene (Total)mg/L 0.06 108 60-140109 0 300.060.0023 0.067 0.067
1,2-Dichloroethane-d4 (S)%104 70-130104
4-Bromofluorobenzene (S)%97 70-13098
Toluene-d8 (S)%97 70-13099
REPORT OF LABORATORY ANALYSIS
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without the written consent of Pace Analytical Services, LLC.Date: 11/09/2020 09:59 AM
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205 East Meadow Road - Suite A
Eden, NC 27288
[phone]
Page 10 of 28
#=QC#
QUALITY CONTROL DATA
Pace Project No.:
Project:
92500481
East Coast Metals
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.
QC Batch:
QC Batch Method:
Analysis Method:
Analysis Description:
574541
EPA 625.1
EPA 625.1
625 MSS
Laboratory:Pace Analytical Services - Charlotte
Associated Lab Samples:92500481001
Parameter Units
Blank
Result
Reporting
Limit Qualifiers
METHOD BLANK:3041700
Associated Lab Samples:92500481001
Matrix:Water
AnalyzedMDL
1,2,4-Trichlorobenzene ug/L ND 5.0 10/21/20 09:371.7
2,2'-Oxybis(1-chloropropane)ug/L ND 5.0 10/21/20 09:371.2
2,4,6-Trichlorophenol ug/L ND 10.0 10/21/20 09:371.6
2,4-Dichlorophenol ug/L ND 5.0 10/21/20 09:371.4
2,4-Dimethylphenol ug/L ND 10.0 10/21/20 09:371.7
2,4-Dinitrophenol ug/L ND 50.0 10/21/20 09:3726.0
2,4-Dinitrotoluene ug/L ND 5.0 10/21/20 09:371.6
2,6-Dinitrotoluene ug/L ND 5.0 10/21/20 09:371.7
2-Chloronaphthalene ug/L ND 5.0 10/21/20 09:371.7
2-Chlorophenol ug/L ND 5.0 10/21/20 09:371.2
2-Nitrophenol ug/L ND 5.0 10/21/20 09:371.4
3,3'-Dichlorobenzidine ug/L ND 10.0 10/21/20 09:378.1
4,6-Dinitro-2-methylphenol ug/L ND 10.0 10/21/20 09:373.4
4-Bromophenylphenyl ether ug/L ND 5.0 10/21/20 09:371.8
4-Chloro-3-methylphenol ug/L ND 5.0 10/21/20 09:373.3
4-Chlorophenylphenyl ether ug/L ND 5.0 10/21/20 09:372.0
4-Nitrophenol ug/L ND 10.0 10/21/20 09:376.6
Acenaphthene ug/L ND 5.0 10/21/20 09:372.0
Acenaphthylene ug/L ND 5.0 10/21/20 09:372.0
Anthracene ug/L ND 5.0 10/21/20 09:372.3
Benzo(a)anthracene ug/L ND 5.0 10/21/20 09:372.7
Benzo(a)pyrene ug/L ND 5.0 10/21/20 09:372.8
Benzo(b)fluoranthene ug/L ND 5.0 10/21/20 09:372.6
Benzo(g,h,i)perylene ug/L ND 5.0 10/21/20 09:372.8
Benzo(k)fluoranthene ug/L ND 5.0 10/21/20 09:372.7
bis(2-Chloroethoxy)methane ug/L ND 10.0 10/21/20 09:371.8
bis(2-Chloroethyl) ether ug/L ND 5.0 10/21/20 09:371.9
bis(2-Ethylhexyl)phthalate ug/L ND 5.0 10/21/20 09:373.7
Butylbenzylphthalate ug/L ND 5.0 10/21/20 09:373.1
Chrysene ug/L ND 5.0 10/21/20 09:372.8
Di-n-butylphthalate ug/L ND 5.0 10/21/20 09:372.2
Di-n-octylphthalate ug/L ND 5.0 10/21/20 09:373.9
Dibenz(a,h)anthracene ug/L ND 5.0 10/21/20 09:373.0
Diethylphthalate ug/L ND 5.0 10/21/20 09:372.0
Dimethylphthalate ug/L ND 5.0 10/21/20 09:372.1
Fluoranthene ug/L ND 5.0 10/21/20 09:372.2
Fluorene ug/L ND 5.0 10/21/20 09:372.1
Hexachloro-1,3-butadiene ug/L ND 5.0 10/21/20 09:371.8
Hexachlorobenzene ug/L ND 5.0 10/21/20 09:372.2
Hexachlorocyclopentadiene ug/L ND 10.0 10/21/20 09:371.6
REPORT OF LABORATORY ANALYSIS
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without the written consent of Pace Analytical Services, LLC.Date: 11/09/2020 09:59 AM
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205 East Meadow Road - Suite A
Eden, NC 27288
[phone]
Page 11 of 28
#=QC#
QUALITY CONTROL DATA
Pace Project No.:
Project:
92500481
East Coast Metals
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.
Parameter Units
Blank
Result
Reporting
Limit Qualifiers
METHOD BLANK:3041700
Associated Lab Samples:92500481001
Matrix:Water
AnalyzedMDL
Hexachloroethane ug/L ND 5.0 10/21/20 09:371.4
Indeno(1,2,3-cd)pyrene ug/L ND 5.0 10/21/20 09:372.9
Isophorone ug/L ND 10.0 10/21/20 09:371.7
N-Nitroso-di-n-propylamine ug/L ND 5.0 10/21/20 09:371.3
N-Nitrosodimethylamine ug/L ND 5.0 10/21/20 09:371.9
N-Nitrosodiphenylamine ug/L ND 10.0 10/21/20 09:373.0
Naphthalene ug/L ND 5.0 10/21/20 09:372.1
Nitrobenzene ug/L ND 5.0 10/21/20 09:371.9
Pentachlorophenol ug/L ND 10.0 10/21/20 09:373.8
Phenanthrene ug/L ND 5.0 10/21/20 09:372.0
Phenol ug/L ND 5.0 10/21/20 09:371.4
Pyrene ug/L ND 5.0 10/21/20 09:372.2
2,4,6-Tribromophenol (S)%77 10-137 10/21/20 09:37
2-Fluorobiphenyl (S)%57 15-120 10/21/20 09:37
2-Fluorophenol (S)%42 10-120 10/21/20 09:37
Nitrobenzene-d5 (S)%60 10-120 10/21/20 09:37
Phenol-d6 (S)%33 10-120 10/21/20 09:37
Terphenyl-d14 (S)%84 11-131 10/21/20 09:37
Parameter Units
LCS
Result
% Rec
Limits Qualifiers% RecConc.
3041701LABORATORY CONTROL SAMPLE:
LCSSpike
1,2,4-Trichlorobenzene ug/L 25.350 51 44-142
2,2'-Oxybis(1-chloropropane)ug/L 29.150 58 36-166
2,4,6-Trichlorophenol ug/L 35.950 72 37-144
2,4-Dichlorophenol ug/L 35.350 71 1-191
2,4-Dimethylphenol ug/L 34.150 68 32-119
2,4-Dinitrophenol ug/L 186250 74 1-181
2,4-Dinitrotoluene ug/L 35.750 71 39-139
2,6-Dinitrotoluene ug/L 36.050 72 50-158
2-Chloronaphthalene ug/L 30.950 62 60-118
2-Chlorophenol ug/L 31.850 64 23-134
2-Nitrophenol ug/L 36.650 73 29-182
3,3'-Dichlorobenzidine ug/L 74.0100 74 1-262
4,6-Dinitro-2-methylphenol ug/L 80.3100 80 1-181
4-Bromophenylphenyl ether ug/L 36.150 72 53-127
4-Chloro-3-methylphenol ug/L 68.7100 69 22-147
4-Chlorophenylphenyl ether ug/L 33.750 67 25-158
4-Nitrophenol ug/L 113250 45 1-132
Acenaphthene ug/L 31.750 63 47-145
Acenaphthylene ug/L 32.650 65 33-145
Anthracene ug/L 31.250 62 1-166
Benzo(a)anthracene ug/L 36.350 73 33-143
Benzo(a)pyrene ug/L 36.550 73 17-163
REPORT OF LABORATORY ANALYSIS
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without the written consent of Pace Analytical Services, LLC.Date: 11/09/2020 09:59 AM
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Eden, NC 27288
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Page 12 of 28
#=QC#
QUALITY CONTROL DATA
Pace Project No.:
Project:
92500481
East Coast Metals
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.
Parameter Units
LCS
Result
% Rec
Limits Qualifiers% RecConc.
3041701LABORATORY CONTROL SAMPLE:
LCSSpike
Benzo(b)fluoranthene ug/L 36.550 73 24-159
Benzo(g,h,i)perylene ug/L 38.050 76 1-219
Benzo(k)fluoranthene ug/L 35.750 71 11-162
bis(2-Chloroethoxy)methane ug/L 33.450 67 33-184
bis(2-Chloroethyl) ether ug/L 34.450 69 12-158
bis(2-Ethylhexyl)phthalate ug/L 40.450 81 8-158
Butylbenzylphthalate ug/L 39.450 79 1-152
Chrysene ug/L 35.950 72 17-168
Di-n-butylphthalate ug/L 38.850 78 1-118
Di-n-octylphthalate ug/L 41.250 82 4-146
Dibenz(a,h)anthracene ug/L 38.650 77 1-227
Diethylphthalate ug/L 34.750 69 1-114
Dimethylphthalate ug/L 33.750 67 1-112
Fluoranthene ug/L 36.750 73 26-137
Fluorene ug/L 33.350 67 59-121
Hexachloro-1,3-butadiene ug/L 23.050 46 24-116
Hexachlorobenzene ug/L 35.150 70 1-152
Hexachlorocyclopentadiene ug/L 23.950 48 25-150
Hexachloroethane ug/L 20.650 41 40-113
Indeno(1,2,3-cd)pyrene ug/L 39.550 79 1-171
Isophorone ug/L 33.450 67 21-196
N-Nitroso-di-n-propylamine ug/L 32.850 66 1-230
N-Nitrosodimethylamine ug/L 27.150 54 25-150
N-Nitrosodiphenylamine ug/L 34.750 69 25-150
Naphthalene ug/L 27.950 56 21-133
Nitrobenzene ug/L 34.250 68 35-180
Pentachlorophenol ug/L 83.3100 83 14-176
Phenanthrene ug/L 34.350 69 54-120
Phenol ug/L 18.750 37 5-112
Pyrene ug/L 34.150 68 52-115
2,4,6-Tribromophenol (S)%94 10-137
2-Fluorobiphenyl (S)%73 15-120
2-Fluorophenol (S)%54 10-120
Nitrobenzene-d5 (S)%76 10-120
Phenol-d6 (S)%43 10-120
Terphenyl-d14 (S)%84 11-131
Parameter Units
MS
Result
% Rec
Limits Qual% RecConc.
3041702MATRIX SPIKE & MATRIX SPIKE DUPLICATE:
MSSpike
Result
92500412002
3041703
MSD
Result
MSD
% Rec RPD RPD
Max
MSDMS
Spike
Conc.
1,2,4-Trichlorobenzene ug/L 50 57 44-14264 12 3050ND28.5 32.2
2,2'-Oxybis(1-
chloropropane)ug/L 50 68 36-16672 6 3050ND34.2 36.1
2,4,6-Trichlorophenol ug/L 50 79 37-14484 5 3050ND39.7 41.8
REPORT OF LABORATORY ANALYSIS
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without the written consent of Pace Analytical Services, LLC.Date: 11/09/2020 09:59 AM
Pace Analytical Services, LLC
205 East Meadow Road - Suite A
Eden, NC 27288
[phone]
Page 13 of 28
#=QC#
QUALITY CONTROL DATA
Pace Project No.:
Project:
92500481
East Coast Metals
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.
Parameter Units
MS
Result
% Rec
Limits Qual% RecConc.
3041702MATRIX SPIKE & MATRIX SPIKE DUPLICATE:
MSSpike
Result
92500412002
3041703
MSD
Result
MSD
% Rec RPD RPD
Max
MSDMS
Spike
Conc.
2,4-Dichlorophenol ug/L 50 81 1-19183 3 3050ND40.3 41.5
2,4-Dimethylphenol ug/L 50 78 32-11981 4 3050ND38.9 40.6
2,4-Dinitrophenol ug/L 250 83 1-18118 30250ND20745.1J
2,4-Dinitrotoluene ug/L 50 80 39-13987 9 3050ND39.8 43.5
2,6-Dinitrotoluene ug/L 50 81 50-15890 10 3050ND40.6 44.9
2-Chloronaphthalene ug/L 50 71 60-11879 10 3050ND35.5 39.4
2-Chlorophenol ug/L 50 78 23-13477 1 3050ND38.9 38.5
2-Nitrophenol ug/L 50 82 29-18287 7 3050ND40.8 43.7
3,3'-Dichlorobenzidine ug/L 100 68 1-26286 23 30100ND67.7 85.5
4,6-Dinitro-2-methylphenol ug/L 100 90 1-18172 23 30100ND89.7 71.5
4-Bromophenylphenyl ether ug/L 50 79 53-12789 11 3050ND39.6 44.4
4-Chloro-3-methylphenol ug/L 100 81 22-14781 1 30100ND80.6 81.4
4-Chlorophenylphenyl ether ug/L 50 77 25-15886 10 3050ND38.6 42.8
4-Nitrophenol ug/L R1250501-13234 37 30250ND12485.3
Acenaphthene ug/L 50 72 47-14578 8 3050ND36.0 39.0
Acenaphthylene ug/L 50 74 33-14581 10 3050ND37.0 40.7
Anthracene ug/L 50 69 1-16677 10 3050ND34.7 38.5
Benzo(a)anthracene ug/L 50 78 33-14386 9 3050ND39.1 42.9
Benzo(a)pyrene ug/L 50 78 17-16387 10 3050ND39.2 43.4
Benzo(b)fluoranthene ug/L 50 79 24-15986 10 3050ND39.3 43.2
Benzo(g,h,i)perylene ug/L 50 82 1-21989 9 3050ND40.9 44.7
Benzo(k)fluoranthene ug/L 50 78 11-16286 10 3050ND39.0 43.2
bis(2-
Chloroethoxy)methane ug/L 50 73 33-18479 8 3050ND36.6 39.6
bis(2-Chloroethyl) ether ug/L 50 79 12-15886 9 3050ND39.4 43.0
bis(2-Ethylhexyl)phthalate ug/L 50 84 8-15892 10 3050ND42.0 46.2
Butylbenzylphthalate ug/L 50 82 1-15291 10 3050ND41.2 45.6
Chrysene ug/L 50 76 17-16883 10 3050ND37.8 41.7
Di-n-butylphthalate ug/L 50 83 1-11891 10 3050ND41.3 45.6
Di-n-octylphthalate ug/L 50 86 4-14696 11 3050ND42.9 47.8
Dibenz(a,h)anthracene ug/L 50 83 1-22790 8 3050ND41.3 45.0
Diethylphthalate ug/L 50 76 1-11485 10 3050ND38.2 42.3
Dimethylphthalate ug/L 50 74 1-11282 10 3050ND37.2 41.2
Fluoranthene ug/L 50 80 26-13789 10 3050ND40.2 44.4
Fluorene ug/L 50 75 59-12182 10 3050ND37.4 41.2
Hexachloro-1,3-butadiene ug/L 50 52 24-11659 13 3050ND26.0 29.6
Hexachlorobenzene ug/L 50 78 1-15286 10 3050ND38.8 43.1
Hexachlorocyclopentadiene ug/L 50 55 25-15062 12 3050ND27.5 31.1
Hexachloroethane ug/L 50 47 40-11353 11 3050ND23.6 26.5
Indeno(1,2,3-cd)pyrene ug/L 50 83 1-17192 11 3050ND41.6 46.2
Isophorone ug/L 50 74 21-19680 8 3050ND37.0 40.1
N-Nitroso-di-n-propylamine ug/L 50 74 1-23080 8 3050ND37.1 40.1
N-Nitrosodimethylamine ug/L 50 59 25-15066 11 3050ND29.6 33.0
N-Nitrosodiphenylamine ug/L 50 75 25-15084 12 3050ND37.4 42.0
Naphthalene ug/L 50 62 21-13368 9 3050ND31.2 34.1
Nitrobenzene ug/L 50 76 35-18083 9 3050ND37.9 41.3
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.Date: 11/09/2020 09:59 AM
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205 East Meadow Road - Suite A
Eden, NC 27288
[phone]
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#=QC#
QUALITY CONTROL DATA
Pace Project No.:
Project:
92500481
East Coast Metals
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.
Parameter Units
MS
Result
% Rec
Limits Qual% RecConc.
3041702MATRIX SPIKE & MATRIX SPIKE DUPLICATE:
MSSpike
Result
92500412002
3041703
MSD
Result
MSD
% Rec RPD RPD
Max
MSDMS
Spike
Conc.
Pentachlorophenol ug/L 100 97 14-17691 6 30100ND96.7 91.2
Phenanthrene ug/L 50 76 54-12085 10 3050ND38.1 42.3
Phenol ug/L 50 59 5-11244 28 3050ND29.4 22.2
Pyrene ug/L 50 72 52-11581 11 3050ND36.2 40.3
2,4,6-Tribromophenol (S)%102 10-137108
2-Fluorobiphenyl (S)%79 15-12086
2-Fluorophenol (S)%71 10-12060
Nitrobenzene-d5 (S)%82 10-12088
Phenol-d6 (S)%64 10-12047
Terphenyl-d14 (S)%87 11-13195
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.Date: 11/09/2020 09:59 AM
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205 East Meadow Road - Suite A
Eden, NC 27288
[phone]
Page 15 of 28
#=QC#
QUALITY CONTROL DATA
Pace Project No.:
Project:
92500481
East Coast Metals
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.
QC Batch:
QC Batch Method:
Analysis Method:
Analysis Description:
576127
MADEP EPH
MADEP EPH
MADEP EPH NC Water
Laboratory:Pace Analytical Services - Charlotte
Associated Lab Samples:92500481001
Parameter Units
Blank
Result
Reporting
Limit Qualifiers
METHOD BLANK:3049218
Associated Lab Samples:92500481001
Matrix:Water
AnalyzedMDL
Aliphatic (C09-C18)ug/L ND 100 N210/28/20 17:59100
Aliphatic (C19-C36)ug/L ND 100 N210/28/20 17:59100
Aromatic (C11-C22)ug/L ND 100 N210/28/20 17:59100
1-Chlorooctadecane (S)%35 40-140 S010/28/20 17:59
2-Bromonaphthalene (S)%110 40-140 10/28/20 17:59
2-Fluorobiphenyl (S)%109 40-140 10/28/20 17:59
o-Terphenyl (S)%96 40-140 10/28/20 17:59
Parameter Units
LCS
Result
% Rec
Limits Qualifiers% RecConc.
3049219LABORATORY CONTROL SAMPLE & LCSD:
LCSSpike LCSD
% Rec RPD
Max
RPD
LCSD
Result
3049220
Aliphatic (C09-C18)ug/L 129 N23004340-14047142 10 50
Aliphatic (C19-C36)ug/L 276 N24006940-14075299 8 50
Aromatic (C11-C22)ug/L 628 N28507440-14084714 13 50
1-Chlorooctadecane (S)%42 40-14040
2-Bromonaphthalene (S)%105 40-140111
2-Fluorobiphenyl (S)%103 40-140109
o-Terphenyl (S)%86 40-14098
REPORT OF LABORATORY ANALYSIS
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205 East Meadow Road - Suite A
Eden, NC 27288
[phone]
Page 16 of 28
#=QL#
QUALIFIERS
Pace Project No.:
Project:
92500481
East Coast Metals
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.
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 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.
Pace Analytical is TNI accredited. Contact your Pace PM for the current list of accredited analytes.
TNI - The NELAC Institute.
ANALYTE QUALIFIERS
Sample was received or analysis requested beyond the recognized method holding time.H3
The reported TIC has an 85% or higher match on a mass spectral library search.N
The lab does not hold NELAC/TNI accreditation for this parameter but other accreditations/certifications may apply. A
complete list of accreditations/certifications is available upon request.N2
Re-extraction or re-analysis could not be performed due to insufficient sample amount.P2
RPD value was outside control limits.R1
Surrogate recovery outside laboratory control limits.S0
Surrogate recovery outside laboratory control limits due to matrix interferences (confirmed by similar results from sample
re-analysis).S2
REPORT OF LABORATORY ANALYSIS
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205 East Meadow Road - Suite A
Eden, NC 27288
[phone]
Page 17 of 28
#=CR#
QUALITY CONTROL DATA CROSS REFERENCE TABLE
Pace Project No.:
Project:
92500481
East Coast Metals
Lab ID Sample ID QC Batch Method QC Batch Analytical Method
Analytical
Batch
92500481001 576127 576441MW-1 MADEP EPH MADEP EPH
92500481001 1572400 1572400MW-1 MADEPV MADEP VPH
92500481001 574541 574695MW-1 EPA 625.1 EPA 625.1
92500481001 575350MW-1 SM 6200B
REPORT OF LABORATORY ANALYSIS
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205 East Meadow Road - Suite A
Eden, NC 27288
[phone]
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ANALYTICAL REPORT
November 09, 2020
Pace Analytical - Eden, NC
Sample Delivery Group:L1279406
Samples Received:10/29/2020
Project Number:92500481
Description:East Coast Metals
Site:001
Report To:Clayton McCrickard
205 East Meadow Rd
Suite A
Eden, NC 27288
Entire Report Reviewed By:
November 09, 2020
[Preliminary Report]
Christl M Wagner
Project Manager
Results relate only to the items tested or calibrated and are reported as rounded values. This test report shall not be reproduced, except in full, without written approval of the laboratory. Where applicable, sampling conducted by Pace Analytical National is performed per guidance provided in laboratory standard operating procedures ENV-SOP-MTJL-0067 and ENV-SOP-MTJL-0068. Where sampling conducted by the customer, results relate to the accuracy of the information provided, and as the samples are received.
12065 Lebanon Rd Mount Juliet, TN 37122 615-758-5858 800-767-5859 www.pacenational.com
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Project Manager
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ONE LAB. NATIONWIDE.TABLE OF CONTENTS
Cp: Cover Page 1
Tc: Table of Contents 2
Ss: Sample Summary 3
Cn: Case Narrative 4
Sr: Sample Results 5
MW-1 L1279406-01 5
Qc: Quality Control Summary 6
Volatile Petroleum Hydrocarbons by Method MADEPV 6
Gl: Glossary of Terms 7
Al: Accreditations & Locations 8
Sc: Sample Chain of Custody 9
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ONE LAB. NATIONWIDE.SAMPLE SUMMARY
Collected by Collected date/time Received date/time
MW-1 L1279406-01 GW 10/14/20 12:30 10/29/20 09:00
Method Batch Dilution Preparation Analysis Analyst Location
date/time date/time
Volatile Petroleum Hydrocarbons by Method MADEPV WG1572400 1 11/07/20 04:07 11/07/20 04:07 BMB Mt. Juliet, TN
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ONE LAB. NATIONWIDE.CASE NARRATIVE
All sample aliquots were received at the correct temperature, in the proper containers, with the
appropriate preservatives, and within method specified holding times, unless qualified or notated within
the report. Where applicable, all MDL (LOD) and RDL (LOQ) values reported for environmental samples
have been corrected for the dilution factor used in the analysis. All Method and Batch Quality Control
are within established criteria except where addressed in this case narrative, a non-conformance form
or properly qualified within the sample results. By my digital signature below, I affirm to the best of my
knowledge, all problems/anomalies observed by the laboratory as having the potential to affect the
quality of the data have been identified by the laboratory, and no information or data have been
knowingly withheld that would affect the quality of the data.
[Preliminary Report]
Christl M Wagner
Project Manager
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Christl M Wagner
Project Manager
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ONE LAB. NATIONWIDE.SAMPLE RESULTS - 01
L1279406
MW-1
Collected date/time: 10/14/20 12:30
Volatile Petroleum Hydrocarbons by Method MADEPV
Result Qualifier MDL RDL Dilution Analysis Batch
Analyte ug/l ug/l ug/l date / time
Unadjusted C5-C8 Aliphatics 349 T8 33.3 100 1 11/07/2020 04:07 WG1572400
Unadjusted C9-C12 Aliphatics 208 T8 33.3 100 1 11/07/2020 04:07 WG1572400
Unadjusted C9-C10 Aromatics 285 T8 33.3 100 1 11/07/2020 04:07 WG1572400
Total VPH 842 T8 33.3 100 1 11/07/2020 04:07 WG1572400
(S) 2,5-Dibromotoluene(FID)94.6 70.0-130 11/07/2020 04:07 WG1572400
(S) 2,5-Dibromotoluene(PID)94.7 70.0-130 11/07/2020 04:07 WG1572400
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ONE LAB. NATIONWIDE.QUALITY CONTROL SUMMARYWG1572400
Volatile Petroleum Hydrocarbons by Method MADEPV L1279406-01
Method Blank (MB)
(MB) R3590453-3 11/06/20 17:25
MB Result MB Qualifier MB MDL MB RDL
Analyte ug/l ug/l ug/l
Unadjusted C5-C8 Aliphatics U 33.3 100
Unadjusted C9-C12 Aliphatics U 33.3 100
Unadjusted C9-C10 Aromatics U 33.3 100
Total VPH U 33.3 100
(S) 2,5-Dibromotoluene(FID)84.5 70.0-130
(S) 2,5-Dibromotoluene(PID)84.3 70.0-130
Laboratory Control Sample (LCS) • Laboratory Control Sample Duplicate (LCSD)
(LCS) R3590453-1 11/06/20 15:12 • (LCSD) R3590453-2 11/06/20 15:45
Spike Amount LCS Result LCSD Result LCS Rec.LCSD Rec.Rec. Limits LCS Qualifier LCSD Qualifier RPD RPD Limits
Analyte ug/l ug/l ug/l %%%%%
Unadjusted C5-C8 Aliphatics 1200 1100 1060 91.7 88.3 70.0-130 3.70 25
Unadjusted C9-C12 Aliphatics 1400 1220 1200 87.1 85.7 70.0-130 1.65 25
Unadjusted C9-C10 Aromatics 200 184 181 92.0 90.5 70.0-130 1.64 25
Total VPH 2800 2500 2440 89.3 87.1 70.0-130 2.43 25
(S) 2,5-Dibromotoluene(FID) 97.6 94.0 70.0-130
(S) 2,5-Dibromotoluene(PID) 99.5 95.3 70.0-130
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ONE LAB. NATIONWIDE.GLOSSARY OF TERMS
Guide to Reading and Understanding Your Laboratory Report
The information below is designed to better explain the various terms used in your report of analytical results from the Laboratory. This is not
intended as a comprehensive explanation, and if you have additional questions please contact your project representative.
Results Disclaimer - Information that may be provided by the customer, and contained within this report, include Permit Limits, Project Name,
Sample ID, Sample Matrix, Sample Preservation, Field Blanks, Field Spikes, Field Duplicates, On-Site Data, Sampling Collection Dates/Times, and
Sampling Location. Results relate to the accuracy of this information provided, and as the samples are received.
Abbreviations and Definitions
MDL Method Detection Limit.
RDL Reported Detection Limit.
Rec.Recovery.
RPD Relative Percent Difference.
SDG Sample Delivery Group.
(S)
Surrogate (Surrogate Standard) - Analytes added to every blank, sample, Laboratory Control Sample/Duplicate and
Matrix Spike/Duplicate; used to evaluate analytical efficiency by measuring recovery. Surrogates are not expected to be
detected in all environmental media.
U Not detected at the Reporting Limit (or MDL where applicable).
Analyte The name of the particular compound or analysis performed. Some Analyses and Methods will have multiple analytes
reported.
Dilution
If the sample matrix contains an interfering material, the sample preparation volume or weight values differ from the
standard, or if concentrations of analytes in the sample are higher than the highest limit of concentration that the
laboratory can accurately report, the sample may be diluted for analysis. If a value different than 1 is used in this field, the
result reported has already been corrected for this factor.
Limits
These are the target % recovery ranges or % difference value that the laboratory has historically determined as normal
for the method and analyte being reported. Successful QC Sample analysis will target all analytes recovered or
duplicated within these ranges.
Qualifier
This column provides a letter and/or number designation that corresponds to additional information concerning the result
reported. If a Qualifier is present, a definition per Qualifier is provided within the Glossary and Definitions page and
potentially a discussion of possible implications of the Qualifier in the Case Narrative if applicable.
Result
The actual analytical final result (corrected for any sample specific characteristics) reported for your sample. If there was
no measurable result returned for a specific analyte, the result in this column may state “ND” (Not Detected) or “BDL”
(Below Detectable Levels). The information in the results column should always be accompanied by either an MDL
(Method Detection Limit) or RDL (Reporting Detection Limit) that defines the lowest value that the laboratory could detect
or report for this analyte.
Uncertainty
(Radiochemistry)Confidence level of 2 sigma.
Case Narrative (Cn)
A brief discussion about the included sample results, including a discussion of any non-conformances to protocol
observed either at sample receipt by the laboratory from the field or during the analytical process. If present, there will
be a section in the Case Narrative to discuss the meaning of any data qualifiers used in the report.
Quality Control
Summary (Qc)
This section of the report includes the results of the laboratory quality control analyses required by procedure or
analytical methods to assist in evaluating the validity of the results reported for your samples. These analyses are not
being performed on your samples typically, but on laboratory generated material.
Sample Chain of
Custody (Sc)
This is the document created in the field when your samples were initially collected. This is used to verify the time and
date of collection, the person collecting the samples, and the analyses that the laboratory is requested to perform. This
chain of custody also documents all persons (excluding commercial shippers) that have had control or possession of the
samples from the time of collection until delivery to the laboratory for analysis.
Sample Results (Sr)
This section of your report will provide the results of all testing performed on your samples. These results are provided
by sample ID and are separated by the analyses performed on each sample. The header line of each analysis section for
each sample will provide the name and method number for the analysis reported.
Sample Summary (Ss)This section of the Analytical Report defines the specific analyses performed for each sample ID, including the dates and
times of preparation and/or analysis.
Qualifier Description
T8 Sample(s) received past/too close to holding time expiration.
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ONE LAB. NATIONWIDE.
Pace National is the only environmental laboratory accredited/certified to support your work nationwide from one location. One phone call, one point of contact, one laboratory. No other lab is as
accessible or prepared to handle your needs throughout the country. Our capacity and capability from our single location laboratory is comparable to the collective totals of the network
laboratories in our industry. The most significant benefit to our one location design is the design of our laboratory campus. The model is conducive to accelerated productivity, decreasing
turn-around time, and preventing cross contamination, thus protecting sample integrity. Our focus on premium quality and prompt service allows us to be YOUR LAB OF CHOICE.
* Not all certifications held by the laboratory are applicable to the results reported in the attached report.
* Accreditation is only applicable to the test methods specified on each scope of accreditation held by Pace National.

State Accreditations
Alabama 40660 Nebraska NE-OS-15-05
Alaska 17-026 Nevada TN-03-2002-34
Arizona AZ0612 New Hampshire 2975
Arkansas 88-0469 New Jersey–NELAP TN002
California 2932 New Mexico ¹n/a
Colorado TN00003 New York 11742
Connecticut PH-0197 North Carolina Env375
Florida E87487 North Carolina ¹DW21704
Georgia NELAP North Carolina ³41
Georgia ¹923 North Dakota R-140
Idaho TN00003 Ohio–VAP CL0069
Illinois 200008 Oklahoma 9915
Indiana C-TN-01 Oregon TN200002
Iowa 364 Pennsylvania 68-02979
Kansas E-10277 Rhode Island LAO00356
Kentucky ¹ ⁶90010 South Carolina 84004
Kentucky ²16 South Dakota n/a
Louisiana AI30792 Tennessee ¹ ⁴2006
Louisiana ¹LA180010 Texas T104704245-18-15
Maine TN0002 Texas ⁵LAB0152
Maryland 324 Utah TN00003
Massachusetts M-TN003 Vermont VT2006
Michigan 9958 Virginia 460132
Minnesota 047-999-395 Washington C847
Mississippi TN00003 West Virginia 233
Missouri 340 Wisconsin 9980939910
Montana CERT0086 Wyoming A2LA

Third Party Federal Accreditations
A2LA – ISO 17025 1461.01 AIHA-LAP,LLC EMLAP 100789
A2LA – ISO 17025 ⁵1461.02 DOD 1461.01
Canada 1461.01 USDA P330-15-00234
EPA–Crypto TN00003
ACCREDITATIONS & LOCATIONS

¹ Drinking Water ² Underground Storage Tanks ³ Aquatic Toxicity ⁴ Chemical/Microbiological ⁵ Mold ⁶ Wastewater n/a Accreditation not applicable

Our Locations
Pace National has sixty-four client support centers that provide sample pickup and/or the delivery of sampling supplies. If you would like assistance from one of our support offices, please contactour main office. Pace National performs all testing at our central laboratory.
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