23070_Red Carpet Inn_BF Soil Vapor Evaluation_Rev1_20210526

01671-003/00303622
Brownfields Soil Vapor Evaluation

Red Carpet Inn Brownfields Site
615 East Morehead Street
Charlotte, Mecklenburg County, North Carolina
NC Brownfields No. 23070-19-060

May 5, 2021
Revised: May 26, 2021
Terracon Project No. 71197661

Prepared for:
MOD CLT Property, LLC
New York, New York

Prepared by:
Terracon Consultants, Inc.
Charlotte, North Carolina

01671-003/00303622 ii

TABLE OF CONTENTS

1.0 PROJECT BACKGROUND .............................................................................................. 1
1.1 Site Description ..................................................................................................... 1
1.2 Prior Investigations ................................................................................................ 1
1.3 Purpose of Soil Vapor Evaluation .......................................................................... 4
2.0 SCOPE OF SERVICES .................................................................................................... 4
2.1 Standard of Care ................................................................................................... 5
2.2 Additional Scope Limitations ................................................................................. 5
2.3 Reliance ................................................................................................................ 5
3.0 FIELD INVESTIGATION METHODS ................................................................................ 5
3.1 Utility Location and Site Observations ................................................................... 6
3.2 Soil Vapor Sampling .............................................................................................. 6
4.0 ANALYTICAL RESULTS ................................................................................................. 7
4.1 Soil Vapor Sample Results .................................................................................... 7
4.2 NCDEQ Risk Calculator ........................................................................................ 8
5.0 CONCLUSIONS ................................................................................................................ 8

Tables
Table 1 – Summary of Historical Soil Analytical Results
Table 2 – Summary of Historical Groundwater Analytical Results
Table 3 – Summary of 2020 Soil Vapor Analytical Results
Table 4 – Summary of 2021 Soil Vapor Analytical Results

Exhibits
Exhibit 1 – Topographic Map
Exhibit 2 – Historical Soil Sample Location Map
Exhibit 3 – Groundwater and Soil Vapor Sample Location Map

Appendices
APPENDIX A – FIELD NOTES/DOCUMENTATION
APPENDIX B – LABORATORY ANALYTICAL REPORT
APPENDIX C – NCDEQ RISK CALCULATOR SUMMARY

01671-003/00303622 Responsive ■ Resourceful ■ Reliable
1
BROWNFIELDS SOIL VAPOR EVALUATION
RED CARPET INN BROWNFIELDS SITE
615 EAST MOREHEAD STREET
CHARLOTTE, NORTH CAROLINA
NC BROWNFIELDS NO. 23070-19-060

Terracon Project No. 71197661
May 5, 2021
Revised: May 26, 2021

1.0 PROJECT BACKGROUND

1.1 Site Description

The site consists of two adjoining parcels totaling 2.83 acres located at 615 East Morehead Street
in Charlotte, North Carolina (Exhibit 1). The northeastern portion of the site is developed as an
asphalt-paved parking area. The southwestern portion of the site is presently undeveloped grass
and gravel covered land that was formerly developed as a four-story Red Carpet Inn and a two-
story parking garage (Exhibit 2). The Mecklenburg County GIS website identifies the site as
Parcel Nos. 125-175-06 and 125-175-19. The site is currently enrolled in the North Carolina
Brownfields Program (NCBP) as Project No. 23070-19-060. MOD CLT Property, LLC
(Prospective Developer) plans to redevelop the southwestern portion of the site with a mixed-use
high-rise tower consisting of first-floor commercial tenant spaces along Morehead Street, a cast-
in-place parking garage, and multi-family residential rental units wrapping the parking deck. The
Prospective Developer plans to construct a mid-rise multi-family residential building in the
northeastern portion of the site.

1.2 Prior Investigations

Numerous subsurface investigations have been conducted at the site since 2000 to investigate
impacts related to a release (NCDEQ Incident No. 15278) from an underground storage tank
(UST) system formerly located on the adjacent property to the northwest of the site (521 East
Morehead Street), as summarized below. The locations of historical soil, groundwater, and soil
vapor samples collected on the site are shown in Exhibits 2 and 3, while a summary of analytical
results (for compounds detected in at least one historical sample) are provided in Tables 1, 2,
and 3. The sources of historical information summarized in this report are provided in the table
below.

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Red Carpet Inn Brownfields Site (No. 23070-19-060) ■ Charlotte, North Carolina
May 5, 2021 ■ Terracon Project No. 71197661

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Report Prepared by Date
Report of Preliminary Assessment
and Corrective Action
Law Engineering and Environmental
Services, Inc. (LAW)
October 27, 1995
Comprehensive Site Assessment Law Engineering and Environmental
Services, Inc. (LAW)
June 6, 1996
Environmental Evaluation S&ME, Inc. April 26, 2000
Report of Groundwater Monitoring Law Engineering and Environmental
Services, Inc. (LAW)
June 26, 2000
Report of Assessment for Petroleum
Impacted Soils and Groundwater
Engineering Consulting Services, Ltd.
(ECS)
October 27, 2000
Draft Preliminary Estimate for
Petroleum Contamination
Remediation Costs
Engineering Consulting Services, Ltd.
(ECS)
December 21, 2000
Notice of Regulatory Requirements NCDENR March 29, 2001
Corrective Action Plan J.A. Jones Environmental Services
Company
April 27, 2001
Soil and Groundwater Sampling
Report
S&ME, Inc. February 6, 2004
Environmental Assessment Report Schnabel Engineering South, P.C. July 20, 2005
Geotechnical Engineering Report Schnabel Engineering South, P.C. July 20, 2005
Review of Environmental
Assessment Documents
Schnabel Engineering South, P.C. December 21, 2005
Draft UST Incident Closure Strategy
and Cost Estimate
S&ME, Inc. February 26, 2007
Breakdown of Assessment and
Remediation Costs
S&ME, Inc. April 2, 2007
Soil Remediation Cost Estimate S&ME, Inc. April 4, 2007
Pre-CAP Monitoring Report Hart & Hickman April 4, 2014
Well Installation and Groundwater
Monitoring Report
Hart & Hickman October 13, 2014
Notice of No Further Action Letter NCDEQ February 22, 2017

In 1995, LAW advanced 11 soil borings and installed two temporary monitoring wells on the
adjacent property (521 Morehead Street) northwest of the site to evaluate a release of petroleum
from a former UST system at the former J.A. Jones/Rea Construction Company facility. None of
the above described borings were located on the site; however, the LAW investigation identified
petroleum impacts in both soil and groundwater at the adjacent facility. Groundwater impacts well
above the Gross Contaminant Levels (GCLs) were detected (e.g. benzene at a concentration of
10,000 µg/L vs. its GCL of 5,000 µg/L) in a monitoring well located near the shared property
boundary with the site. Approximately 6,650 tons of impacted soil were excavated from the
adjacent property; however, excavation activities ceased prior to removal of all apparent impacted
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soil due to structural concerns associated with a retaining wall. Based on the results of the initial
assessment, it appeared likely that the J.A. Jones/Rea Construction Company petroleum release
had impacted the 615 Morehead Street site. The results of subsequent investigations at the 615
Morehead Street site are summarized below. All samples referenced below were collected from
the 615 Morehead Street site.

In 1996, as part of Comprehensive Site Assessment activities in response to the release, LAW
collected soil samples B-6, B-7, B-8, and B-11 and installed three permanent monitoring wells
(MW-6, MW-7, and MW-10) on the site. Total petroleum hydrocarbon (TPH) concentrations were
not identified in the soil samples. Numerous petroleum constituents were identified in MW-6
above both their 2L Standard and their non-residential vapor intrusion groundwater screening
levels (VI-GWSLs). Petroleum constituents were not identified above their 2L standards in MW-7
and MW-10 at that time; however the semi-volatile organic compound (SVOC)
bis(2-ethylhexyl)phthalate was detected in MW-7 (4.3 µg/L) above its 2L standard (3 µg/L) in
MW-7.

In 2000, LAW collected additional groundwater samples from MW-6, MW-7, and MW-10.
Petroleum concentrations within MW-6 had decreased significantly relative to the past sampling
event in 1996; however, multiple compound, including benzene, ethylbenzene, and xylene
remained above both their 2L standards and non-residential VI-GWSLs.

In 2000, ECS advanced 12 soil borings (P-1 through P-12) in the northwestern portion of the site
to evaluate the extent to which contaminated groundwater migrating from the adjacent property
had impacted soils at the site. Low level petroleum impacts were identified in soils ranging from
4 to 16 feet bls, with most constituent concentrations below their Preliminary Soil Remediation
Goals (PSRGs). Naphthalene was identified between 12 and 16 feet bls in P-1 (1.0 mg/kg), P-2
(2.1 mg/kg), and P-9 (1.1 mg/kg) at concentrations exceeding either its Protection of Groundwater
PSRG (0.39 mg/kg) or Residential PSRG (2.1 mg/kg). In addition, ECS installed two temporary
monitoring wells (TW-1 and TW-2) and one permanent monitoring well (MW-11) at the site.
Petroleum concentrations were not identified above laboratory method detection limits (MDLs) in
MW-01. Volatile petroleum hydrocarbons (VPH) above their 2L standards were identified in both
TW-1 and TW-2. Benzene, toluene, ethylbenzene, and xylene were identified above both their
2L standards and non-residential VI-GWSLs in TW-2.

In 2004, in conjunction with on-going assessment at the adjacent property, S&ME collected a
groundwater sample from on-site MW-6. Groundwater concentrations remained elevated, with
benzene, ethylbenzene, and xylene remaining above both their 2L Standards and non-residential
VI-GWSLs.

In 2005, Schnabel completed a geotechnical investigation in advance of planned site
redevelopment. Eleven borings were advanced at the site, four of which (B-5, B-8, B-9, and B-10)
were selected for environmental evaluation. Soil samples were collected from each of these
borings. Temporary monitoring wells (MW-1 through MW-4) were also installed in the borings.
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MW-1 was not sampled because of insufficient water volume. Groundwater samples were
collected from MW-2, MW-3, and MW-4 as well as existing permanent monitoring well MW-10.
Low level petroleum impacts were identified in soils ranging from 13.5 to 20 feet bls; however,
none of the detected concentrations exceeded their most conservative PSRGs. Benzene, toluene,
ethylbenzene, and xylene were identified above their 2L standards and non-residential VI-GWSLs
in MW-2. Benzene was identified in MW-3 above its 2L standard. Methyl tert butyl ether (MTBE)
was identified in MW-10 above its 2L standard. Petroleum constituents were not identified above
their 2L standards in MW-4.

In 2014, Hart & Hickman completed two rounds (January and July) of groundwater sampling at
the adjacent property and the site. As part of the first round of sampling, two temporary wells
(HTTW-4 and HHTW-5) were installed at the site and sampled along with MW-6. VPH and
benzene were identified above their 2L standards in HTTW-4. Ethylene dibromide (EDB) was
detected (0.033) above its 2L standard (0.02 µg/L) and trichloroethene (1.1 µg/L) above its
residential VI-GWSL (1.0 µg/L) in HTTW-5. During both sampling events, petroleum
concentrations in MW-6 were relatively similar to those identified in during the most recent
previous sampling events.

On February 22, 2017, NCDEQ issued a letter indicating that available data allowed the 521
Morehead Street site to be reclassified as low risk and granted No Further Action status for
release incident 15278.

1.3 Purpose of Soil Vapor Evaluation

Petroleum impacts have been identified in groundwater above their vapor intrusion groundwater
screening levels (GWSLs) in the north-central portion of the site. Soil vapor sampling completed
in 2020 by Terracon did not identify concentrations of volatile organic compounds (VOCs) above
their residential soil gas screening levels (SGSLs) other than chloroform. Based on review of the
historical assessment data, the North Carolina Brownfields Program (NCBP) requested that five
additional shallow soil vapor samples be collected at the locations shown on Exhibit 3. The
purpose of the additional soil vapor sampling is to confirm the prior soil gas sampling results and
to confirm that neither vapor mitigation nor post-construction pre-occupancy testing/on-going
monitoring is necessary for the proposed redevelopment.

2.0 SCOPE OF SERVICES

The scope of services was conducted in accordance with the Brownfields Work Plan, dated
March 12, 2021 and approved by the North Carolina Brownfield Program via email on
March 17, 2021. The scope of services included the installation of shallow soil vapor sample
points and collection of soil vapor samples for analysis of VOCs as discussed in Section 3.0
below. Technical approaches and methods utilized during the soil vapor investigation were in
general accordance with the Interstate Technical and Regulatory Council’s Vapor Intrusion: A
Practical Guideline (2007) and Vapor Intrusion Pathway: Investigative Approaches for Typical
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Scenarios (2007), as well as the North Carolina Division of Waste Management (DWM) Vapor
Intrusion Guidance (2018).

2.1 Standard of Care

Terracon’s services were performed in a manner consistent with generally accepted practices of
the profession undertaken in similar studies in the same geographical area during the same time.
Terracon makes no warranties, either expressed or implied, regarding the findings, conclusions,
or recommendations. Please note that Terracon does not warrant the work of laboratories,
regulatory agencies, or other third parties supplying information used in the preparation of the
report. The services were performed in accordance with the scope of work authorized by our
client, as reflected in our proposal and were not conducted in accordance with ASTM E1903-11.

2.2 Additional Scope Limitations

Findings, conclusions, and recommendations resulting from these services are based upon
information derived from the on-site activities and other services performed under this scope of
work; such information is subject to change over time. Certain indicators of the presence of
hazardous substances, petroleum products, or other constituents may have been latent,
inaccessible, unobservable, non-detectable, or not present during these services. We cannot
represent the site as being free of hazardous substances, toxic materials, petroleum products, or
other latent conditions beyond those identified during this investigation. Subsurface conditions
may vary from those encountered at specific borings or wells or during other surveys, tests,
assessments, investigations, or exploratory services. The data, interpretations, findings, and our
recommendations are based solely upon data obtained at the time and within the scope of these
services.

2.3 Reliance

This report has been prepared for the exclusive use of MOD CLT Property, LLC, its affiliates, and
their lenders providing financing for the site. Any authorization for use or reliance by another party
(except a governmental entity) is prohibited without the expressed written authorization of MOD
CLT Property, LLC and Terracon. Any unauthorized distribution or reuse is at the sole risk of
MOD CLT Property, LLC. Reliance by authorized parties, except governmental agencies, will be
subject to the terms, conditions, and limitations stated in the Agreement for Services between
MOD CLT Property, LLC and Terracon.

3.0 FIELD INVESTIGATION METHODS

Terracon conducted the field work under a health and safety plan developed for this project. Work
was performed using United States Environmental Protection Agency (USEPA) Level D work
attire consisting of a hard hat, safety glasses, safety vest, protective gloves, and protective boots.
Brownfields Soil Vapor Evaluation
Red Carpet Inn Brownfields Site (No. 23070-19-060) ■ Charlotte, North Carolina
May 5, 2021 ■ Terracon Project No. 71197661

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3.1 Utility Location and Site Observations

Prior to intrusive activities, Terracon submitted a request to the public utility locator [NC 811] to
arrange for location of underground public utilities from the nearby streets to the utility meters. As
an added measure of safety, Terracon subcontracted Priority Underground Locating of
Huntersville, North Carolina, a private utility locator, to locate and mark public utilities beyond the
meter and/or near the proposed boring locations.

3.2 Soil Vapor Sampling

Terracon mobilized to the site on March 26, 2021 to conduct the soil vapor assessment. Field
notes, boring logs, photographs, and soil vapor purge/sampling logs are provided in
Appendix A.

Soil Vapor Point Installation
Five soil vapor sampling points (2021-SV-01 through 2021-SV-05) were installed at the locations
depicted on Exhibit 2. The soil vapor sampling points were installed via direct push technology
(DPT) drilling methods to depths ranging from approximately 7.5 to 8 feet below land surface (bls)
except for 2021-SV-03, which was installed at a depth of approximately 5.25 to 5.75 feet bls to
avoid wet soils observed approximately 6 feet below ground surface within that boring. The
sampling points were constructed with six-inch stainless-steel screens with barbed fittings at the
top to connect to small bore (0.25 in. O.D.) Teflon® lined sample tubing. A sand filter pack was
placed within the annulus to a height of approximately six inches above the screen point. A one-
foot thick layer of dry, granular (No. 20) bentonite was placed in the borehole annulus above the
sand pack followed by a layer of bentonite hydrated with distilled water to the ground surface. The
sample tubing extended from the screen to the surface, where it was capped until the
purge/helium tracer test (see below) was conducted. The points were allowed to equilibrate for at
least two hours prior to purging and sampling in accordance with standard industry practice for
soil vapor points installed by DPT methods.

Shut-In and Helium Tracer Testing
Prior to sample collection, Terracon conducted shut-in (deadhead) tests of the laboratory-
provided sampling equipment and a helium tracer test at each soil vapor point to verify the integrity
of the vapor point seal. The shut-in tests were conducted by attaching the laboratory-supplied
Summa® canister and flow controller manifold to be used at each point to Teflon® lined tubing and
a syringe. The syringe was used to induce a vacuum within the flow controller manifold, at which
point, the manifold’s shut-off valve was closed. The Summa® canister and manifold were allowed
to sit sealed from the atmosphere for approximately 10 minutes and the pressures within the
manifold at the beginning and the end of the shut-in period were recorded and compared. When
no loss of pressure was observed during the shut-in test period, the Summa® canister and
manifold were deemed suitable for sample collection.

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Red Carpet Inn Brownfields Site (No. 23070-19-060) ■ Charlotte, North Carolina
May 5, 2021 ■ Terracon Project No. 71197661

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During the helium tracer test, the sample point and sampling train were enclosed within a shroud.
The shroud atmosphere was enriched to a helium concentration of approximately 15 percent. At
least three volumes of the vapor point annulus and attached Teflon® lined tubing and sample train
was purged and directed into a Tedlar bag using a syringe. After each purge volume was
collected, the concentration of helium within the Tedlar bag was measured. The sample seal was
considered sufficiently sealed if the helium concentration within the Tedlar bag was less than 10%
of the concentration of helium within the shroud. During the helium tracer tests for 2021-SV-01,
2021-SV-02, 2021-SV-04, and 2021-SV-05, concentrations of helium were not measured within
the Tedlar bag. During the helium tracer test for 2021-SV-03, concentrations of helium were
measured within the Tedlar bag; however, the concentrations measured within the Tedlar bag for
were less than 5% of the shroud concentration. As such, the seal at 2021-SV-03 was considered
sufficiently sealed.

Sample Collection
After completion of the shut-in and helium tracer tests, samples were collected within batch-
certified 1.0-liter Summa® canisters equipped with flow controllers restricting the air flow rate to
less than approximately 200 mL/min. One blind duplicate sample was collected at 2021-SV-02.
The vacuum pressure of each sample canister was monitored and recorded at regular intervals
throughout the sampling period. The sample periods were ceased prior to the vacuum pressure
within each Summa® canister reaching 0 mmHg. After completion of soil vapor sampling activities,
the sample points were abandoned by removal of the tubing. Following completion of the field
activities, the Summa® canisters, along with chain-of-custody documentation, were shipped to
Con-Test Analytical Laboratories (now a member of the Pace National laboratory network) in East
Longmeadow, Massachusetts for laboratory analysis of VOCs by EPA Method TO-15. Con-Test
was instructed to record the pressure within the Summa® canisters upon receipt.

4.0 ANALYTICAL RESULTS

4.1 Soil Vapor Sample Results

The laboratory analytical results for the soil vapor samples were compared to the NCDEQ
Residential and Non-Residential Soil Gas Screening Levels (SGSLs), dated January 2021.
Numerous VOCs were detected above laboratory method detection limits in each of the soil vapor
samples; however, none of the detected concentrations exceed their Residential SGSL.
Trichloroethylene (TCE), was identified in 2021-SV-04 at a concentration (1.3 μg/m3) an order of
magnitude below its Residential SGSL (14 μg/m3).

A summary of the 2021 soil vapor analytical results is included in Table 4. A copy of the laboratory
analytical report is provided in Appendix B.

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May 5, 2021 ■ Terracon Project No. 71197661

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4.2 NCDEQ Risk Calculator

Terracon evaluated the cumulative carcinogenic risk and the non-carcinogenic hazard index for
future occupants of the property by entering the maximum concentrations for each compound
detected in soil vapor using the most recent version (January 2021) of the NCDEQ Brownfields
Risk Calculator. The calculated risks are summarized in the table below, which also includes the
results from the risk evaluation conducted during Terracon’s 2020 soil vapor assessment, as
documented in the Limited Site Investigation Report, dated April 29, 2020:

Residential Non-Residential
Sampling Event Carcinogenic Hazard Index Carcinogenic Hazard Index
2020 2.6 x 10-6 5.7 x 10-2 2.0 x 10-7 4.5 x 10-3
2021 2.0 x 10-6 5.1 x 10-2 1.5 x 10-7 4.0 x 10-3

Unacceptable risks to future site occupants due to the soil gas to indoor air exposure pathways
were not identified at the site, as the calculated risks are two to three orders of magnitude below
the target cumulative risk thresholds of 1x10-4 (carcinogenic) and 1 (hazard index).

A copy of the NCDEQ Risk Calculator summary sheets is included in Appendix C.

5.0 CONCLUSIONS

Based on the scope of services described in this report and subject to the limitations described
herein, Terracon provides the following conclusions.

▪ Numerous VOCs were detected in each of the soil vapor samples; however, none of the
detected concentrations exceeded their Residential SGSLs.

▪ Trichloroethylene (TCE) was identified in 2021-SV-04 at a concentration (1.3 μg/m3) an
order of magnitude below its Residential SGSL (14 μg/m3). This compound has not
previously been identified within groundwater in this portion of the site. Extensive
groundwater assessment has been completed at the site, and the sole TCE identified at
the site (HTTW-5 in 2014) was detected at a low concentration (1 µg/L). In addition, TCE
has not been detected in soils at the site. Based on the above, there does not appear to
be widespread TCE impacts at the site. It should also be noted that TCE was not detected
at any other of the nine soil vapor sample locations collected at the site during the 2020
and 2021 soil vapor sampling events.

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May 5, 2021 ■ Terracon Project No. 71197661

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▪ The risks associated with the soil vapor concentrations detected during the 2020 and 2021
sampling events, as determined via the NCDEQ Risk Calculator, are two to three orders
of magnitude below the target cumulative risk thresholds of 1x10-4 (carcinogenic) and 1
(hazard index).

Based on the detected soil vapor concentrations, the NCDEQ SGSLs, the NCDEQ Risk
Calculator results, and the NCDEQ Vapor Intrusion Guidance (2018), vapor mitigation and/or
post-construction testing/monitoring is not necessary for the proposed redevelopment.

TABLES

Table 1
Summary of Historical Soil Analytical Results
Red Carpet Inn Brownfields Site
Brownfields Site No. 23070-19-060
615 East Morehead Street
Charlotte, Mecklenburg County, North Carolina
Terracon Project No. 71197661
Sample ID:B-6 (MW-6)B-7 B-8 (MW-7)B-11 (MW-10)P-2 P-4
Sample Interval (ft bgs):19-21 24-26 9-11 14-16 4-8 12-16 12-16 8-12 12-16 12-16
Sample Date:2/26/1996 2/26/1996 2/26/1996 2/26/1996 9/28/2000 9/28/2000 9/28/2000 9/28/2000 9/28/2000 9/28/2000
Gasoline Range Organics ND ND ND ND NS NS NS NS NS NS NE NE NE
MADEP VPH
C5-C8 Aliphatics NS NS NS NS ND ND 120 ND ND ND NE NE NE
C9-C12 Aliphatics NS NS NS NS ND 31 1,300 39 95 240 NE NE NE
C9-C22 Aromatics NS NS NS NS ND ND 250 ND ND 53 NE NE NE
Residential
PSRGs
Non-Residential
PSRGs
Total Petroleum Hydrocarbons (TPH)
PoG PSRG
Volatile Organic Compounds by EPA Method 8260
P-1 P-3
Benzene NS NS NS NS ND ND ND ND ND ND 0.01 1.2 5.4
Toluene NS NS NS NS ND 0.4 ND ND 0.049 ND 8.3 990 9,700
Ethylbenzene NS NS NS NS ND 0.64 ND ND 0.056 0.048 13 6.1 27
Xylenes NS NS NS NS ND 3.2 ND ND 0.31 0.251 9.8 120 500
Isopropylbenzene NS NS NS NS ND 0.19 ND ND ND 0.036 2.3 410.0 2,100
n-Propylbenzene NS NS NS NS ND 0.73 ND ND 0.048 0.16 2.6 780.0 5,100
1,2,4-Trimethylbenzene NS NS NS NS 0.031 4.5 9.1 0.028 0.38 1.1 12 63 370
1,3,5-Trimethylbenzene NS NS NS NS ND 1.3 2.6 0.0063 0.096 0.33 11 56 320
n-Butylbenzene NS NS NS NS ND 0.44 0.77 ND ND 0.13 4.5 780 12,000
sec-Butylbenzene NS NS NS NS ND 0.15 ND ND ND 0.045 4.1 1,600 23,000
tert-Butylbenzene NS NS NS NS ND ND 0.61 ND ND ND 3.1 1,600 23,000
p-Isopropyltoluene NS NS NS NS ND 0.081 0.15 ND ND ND NE NE NE
Naphthalene NS NS NS NS ND 1.0 2.1 0.0066 0.14 0.38 0.39 2.1 8.8
Methylene Chloride NS NS NS NS 0.0091 ND ND ND ND ND 0.025 58 650
Acetone NS NS NS NS ND ND ND ND ND ND 25 12000 250,000
Notes:
Results are shown in milligrams per kilogram (mg/kg).
ft bgs - Feet Below Ground Surface
ppm - parts per million
Only compounds detected within one or more sample are shown except for TPH- Gasoline Range Organics
NA - Not Analyzed
ND - Not Detected above laboratory method detection limit
NE - Not Established
Detections are indicated in bold.
J - Estimated concentration above the adjusted method detection limit and below the adjusted reporting limit.
PSRG - NCDEQ Inactive Hazardous Sites Branch Preliminary Soil Remediation Goals (July 2020)
Shaded cells indicate the detected concentrations exceed the regulatory threshold of the corresponding color.
Table 1
Summary of Historical Soil Analytical Results
Red Carpet Inn Brownfields Site
Brownfields Site No. 23070-19-060
615 East Morehead Street
Charlotte, Mecklenburg County, North Carolina
Terracon Project No. 71197661
Sample ID:P-6 P-7 P-9
Sample Interval (ft bgs):8-12 12-16 8-12 8-12 12-16 13.5-15 16-17.5 16-17.5 18.5-20
Sample Date:9/28/2000 9/28/2000 9/28/2000 9/28/2000 9/28/2000 6/29/2005 6/29/2005 6/29/2005 6/29/2005
Gasoline Range Organics NS NS NS NS NS NS NS NS NS NE NE NE
MADEP VPH
C5-C8 Aliphatics ND 21 ND ND ND 0.78 J 0.56 J ND 1.0 J NE NE NE
C9-C12 Aliphatics ND 99 ND ND 59 ND ND ND ND NE NE NE
C9-C22 Aromatics ND 21 ND ND 12 1.5 3.2 ND 2.6 NE NE NE
Benzene ND 0.0063 ND ND ND 0.0053 0.003 J ND ND 0.01 1.2 5.4
Toluene ND 0.0064 ND ND 0.27 0.017 0.0093 0.00074 J 0.0025 J 8.3 990 9,700
Ethylbenzene ND 0.014 ND ND 0.62 0.011 0.018 0.00071 0.0014 13 6.1 27
Xylenes 0.032 0.09 ND ND 2.92 0.041 0.051 0.003 J 0.007 J 9.8 120 500
Isopropylbenzene ND 0.0078 ND ND 0.22 NS NS NS NS 2.3 410.0 2,100
n-Propylbenzene ND 0.031 ND ND 0.79 NS NS NS NS 2.6 780.0 5,100
1,2,4-Trimethylbenzene ND 0.25 ND ND 2.6 NS NS NS NS 12 63 370
1,3,5-Trimethylbenzene 0.033 0.077 ND ND 1.3 NS NS NS NS 11 56 320
n-Butylbenzene ND 0.043 ND ND 0.47 NS NS NS NS 4.5 780 12,000
sec-Butylbenzene ND 0.011 ND ND 0.18 NS NS NS NS 4.1 1,600 23,000
tert-Butylbenzene ND ND ND ND ND NS NS NS NS 3.1 1,600 23,000
p-Isopropyltoluene ND 0.0073 ND ND 0.094 NS NS NS NS NE NE NE
Naphthalene ND 0.12 ND ND 1.1 0.0038 J 0.0068 ND 0.0014 J 0.39 2.1 8.8
Methylene Chloride ND ND ND ND ND NS NS NS NS 0.025 58 650
Acetone ND ND ND ND ND ND ND ND ND 25 12000 250,000
Notes:
Results are shown in milligrams per kilogram (mg/kg).
ft bgs - Feet Below Ground Surface
ppm - parts per million
Only compounds detected within one or more sample are shown except for TPH- Gasoline Range Organics
NA - Not Analyzed
ND - Not Detected above laboratory method detection limit
NE - Not Established
Detections are indicated in bold.
J - Estimated concentration above the adjusted method detection limit and below the adjusted reporting limit.
PSRG - NCDEQ Inactive Hazardous Sites Branch Preliminary Soil Remediation Goals (July 2020)
Shaded cells indicate the detected concentrations exceed the regulatory threshold of the corresponding color.
Total Petroleum Hydrocarbons (TPH)
Volatile Organic Compounds by EPA Method 8260
P-5 B-8 (MW-1)B-9 (MW-2)
PoG PSRG Residential
PSRGs
Non-Residential
PSRGs
Table 1
Summary of Historical Soil Analytical Results
Red Carpet Inn Brownfields Site
Brownfields Site No. 23070-19-060
615 East Morehead Street
Charlotte, Mecklenburg County, North Carolina
Terracon Project No. 71197661
Sample ID:GP-7
Sample Interval (ft bgs):13.5-15 16-17.5 16-17.5 18.5-20 16-18 10-12 14-16 8-10 11-13
Sample Date:6/29/2005 6/29/2005 6/29/2005 6/29/2005 1/21/2014 1/21/2014 1/21/2014 1/21/2014 1/21/2014
Gasoline Range Organics NS NS NS NS NS NS NS NS NS NE NE NE
MADEP VPH
C5-C8 Aliphatics ND ND 0.79 J 0.69 J ND ND ND ND 32 NE NE NE
C9-C12 Aliphatics ND ND ND ND ND ND ND ND ND NE NE NE
C9-C22 Aromatics 0.31 ND 0.69 J 0.69 J ND ND 17 ND 62 NE NE NE
Benzene ND ND ND ND ND ND ND ND ND 0.01 1.2 5.4
Toluene 0.0012 J 0.00054 J 0.00075 J 0.0024 J ND ND ND ND ND 8.3 990 9,700
Ethylbenzene 0.00078 J 0.0005 J 0.00075J 0.0012 J ND ND 0.019 ND 16 13 6.1 27
Xylenes 0.0049 J 0.0031 J 0.004 J 0.0068 J ND ND 0.10 ND 37 9.8 120 500
Isopropylbenzene NS NS NS NS ND ND 0.020 ND 6.5 2.3 410 2,100
n-Propylbenzene NS NS NS NS ND ND ND ND 29 2.6 780 5,100
1,2,4-Trimethylbenzene NS NS NS NS ND ND 0.22 ND 110 12 63 370
1,3,5-Trimethylbenzene NS NS NS NS ND ND 0.057 ND 35 11 56 320
n-Butylbenzene NS NS NS NS ND ND 0.096 ND 19 4.5 780 12,000
sec-Butylbenzene NS NS NS NS ND ND 0.022 ND 5.0 4.1 1,600 23,000
tert-Butylbenzene NS NS NS NS ND ND ND ND ND 3.1 1,600 23,000
p-Isopropyltoluene NS NS NS NS ND ND 0.013 ND 2.5 NE NE NE
Naphthalene ND ND ND ND ND ND ND ND 18 0.39 2.1 8.8
Methylene Chloride NS NS NS NS 0.0061 0.0079 ND ND ND 0.025 58 650
Acetone ND ND ND ND ND 0.019 ND ND ND 25 12000 250,000
Notes:
Results are shown in milligrams per kilogram (mg/kg).
ft bgs - Feet Below Ground Surface
ppm - parts per million
Only compounds detected within one or more sample are shown except for TPH- Gasoline Range Organics
NA - Not Analyzed
ND - Not Detected above laboratory method detection limit
NE - Not Established
Detections are indicated in bold.
J - Estimated concentration above the adjusted method detection limit and below the adjusted reporting limit.
PSRG - NCDEQ Inactive Hazardous Sites Branch Preliminary Soil Remediation Goals (July 2020)
Shaded cells indicate the detected concentrations exceed the regulatory threshold of the corresponding color.
Non-Residential
PSRGs
Total Petroleum Hydrocarbons (TPH)
Volatile Organic Compounds by EPA Method 8260
B-10 (MW-4)B-5 (MW-3)GP-8 GP-9
PoG PSRG Residential
PSRGs
Table 1
Summary of Historical Soil Analytical Results
Red Carpet Inn Brownfields Site
Brownfields Site No. 23070-19-060
615 East Morehead Street
Charlotte, Mecklenburg County, North Carolina Terracon
Project No. 71197661
Sample ID:S-1 S-2 S-3 S-4 BG-1 BG-2
Sample Date:02/21/20 02/21/20 02/21/20 02/21/20 02/21/20 02/21/20
Sample Interval
(ft bgs):10-15 10-14 5-10 0-5
25 12,000 140,000 0.0108J 0.0128J 0.019J <0.0069 NA NA
4.5 780 12,000 0.0124 <0.0022 <0.0023 <0.0021 NA NA
4.1 1,600 23,000 0.0026J <0.0017 <0.0017 <0.0016 NA NA
2.3 410 2,100 0.0013J <0.0011 <0.0012 <0.0011 NA NA
1.24 NS NS 0.0059 <0.0019 <0.002 <0.0018 NA NA
0.39 4.1 18 0.027 <0.0033 <00034 <0.0031 NA NA
2.6 780 5,100 0.0058 <0.0013 <0.0014 <0.0012 NA NA
12 63 370 0.052 <0.0015 <0.0016 <0.0014 NA NA
11 56 320 0.0131 <0.0013 <0.0014 <0.0012 NA NA
9.9 120 530 0.0021J <0.0027 <0.0028 <0.0026 NA NA
5.8 0.68 3 0.67J 1.4 2.2 0.72 2.6 1.3
580 3,100 47,000 194 18.2 30 65.7 113 31
360,000 23,000 350,000 22.3 7.6 104 42 19.8 5.9
270 400 800 2.1 2 6.3 2.3 7.2 7.1
1 2.3 9.7 <0.0027 0.008 0.043 0.011 0.015 0.043
Notes:
All results are shown in milligrams per kilogram (mg/kg).
ft bgs - Feet Below Ground Surface
NS - No Standard
ND - Not detected
NA- Not analyzed
J - estimated concentration above the method detection limit but below the laboratory reporting limit
Total chromium is assumed to consist exclusively of trivalent chromium since hexavalent chromium was not detected in the soils.
PSRG - NCDEQ Inactive Hazardous Sites Branch Preliminary Soil Remediation Goals, updated December, 2019.
Concentrations highlighted in yellow exceed their respective residential PSRG.
Concentrations highlighted in orange exceed their respective non-residential PSRG.
No semi-volatile organic compounds were detected.
Semi-Volatile Organic Compounds by EPA Method 8270
Naphthalene
n-Propylbenzene
1,2,4-Trimethylbenzene
1,3,5-Trimethylbenzene
Total Xylenes
Volatile Organic Compounds by EPA Method 8260
Analyte
Acetone
Mercury
RCRA Metals by EPA Method 6010, 7196, and 7471
Arsenic
Barium
Chromium
Lead
Residential
PSRGs
Non-
Residential
PSRGs
Protection of
Groundwater
PSRGs
n-Butylbenzene
sec-Butylbenzene
Isopropylbenzene (Cumene)
p-Isopropyltoluene
Table 2
Summary of Historical Groundwater Analytical Results
Red Carpet Inn Brownfields Site
Brownfields Site No. 23070-19-060
615 East Morehead Street
Charlotte, Mecklenburg County, North Carolina
Terracon Project No. 71197661
Sample ID:
Sample Date:3/1/1996 5/19/2000 1/2/2004 10/12/2005 1/26/2012 4/5/2012 1/17/2014 7/21/2014 3/1/1996 5/19/2000 3/22/1996 5/19/2000 6/30/2005
C5-C8 Aliphatics NA NA 8,700 20,000 NA 10,100 11,000 6,000 NA NA NA NA ND 400 NE NE NE
C9-C18 Aliphatics NA NA 1,100 7,800 NA 2,550 NA 1,300 NA NA NA NA ND 700 NE NE NE
C9-C22 Aromatics NA NA 5,500 8,100 NA 5,340 4,600 4,300 NA NA NA NA ND 200 NE NE NE
Benzene 1,800 600 280 170 38.6 NA 25 80 ND ND ND ND ND 1 5,000 16 69
Toluene 8,700 1,800 2,000 2,300 197 NA 240 1,300 ND ND ND ND ND 600 260,000 3,800 16,000
Ethylbenzene 2,400 1,100 1,100 1,600 402 NA 370 1,500 ND ND ND ND ND 600 84,500 35 150
Xylene 7,200 2,000 2,900 3,800 856 NA 1,090 5,700 ND ND ND ND 0.59 J 500 85,500 77 320
MTBE 120 ND ND ND ND NA ND ND 2.8 ND ND ND 140 20 20,000 4,500 2,000
IPE ND 340 ND NA ND NA ND ND ND ND ND ND NA 70 70,000 1,400 5,900
EDB 0.022 ND ND NA ND NA ND ND ND ND ND ND NA 0.02 50 1.8 7.7
Chloroform NA NA NA NA ND NA ND ND ND ND ND ND NA 70 70,000 8.1 36
Trichloroethene ND ND NA NA ND NA ND ND ND ND ND ND NA 3 3,000 1.0 4.4
Naphthalene 270 NA NA NA 210 NA 98 310 ND NA NA NA 1.3 J 6 6,000 35 150
Isopropylbenzene NA NA NA NA 53.3 NA 45 73 NA NA NA NA NA 70 25,000 180 750
p-Isopropyltoluene NA NA NA NA ND NA 8.4 8.0 NA NA NA NA NA 25 11,700 NE NE
2-Butanone NA NA NA NA ND NA ND ND NA NA NA NA NA 4,000 4,000,000 450,000 1,900,000
n-Butylbenzene NA NA NA NA ND NA 43 20 NA NA NA NA NA 70 6,900 NE NE
sec-Butylbenzene NA NA NA NA ND NA 14 12 NA NA NA NA NA 70 8,500 NE NE
tert-Butylbenzene NA NA NA NA ND NA NA NA NA NA NA NA NA 70 15,000 NE NE
n-Propylbenzene NA NA NA NA 86.7 NA 98 160 NA NA NA NA NA 70 30,000 490 2,000
1,2,4-Trimethylbenzene NA NA NA NA 337 NA 620 1,700 NA NA NA NA NA 400 28,500 50 210
1,3,5-Trimethylbenzene NA NA NA NA 96.9 NA 200 460 NA NA NA NA NA 400 25,000 35 150
Bis(2-ethylhexyl)phthalate ND NA NA NA NA NA NA NA 4.3 NA NA NA NA 3 170 NE NE
Phenol ND NA NA NA NA NA NA NA 1.6 NA NA NA NA 30 30,000 NE NE
Lead 0.0093 J ND NA NA NA ND 4.5 ND 0.0089 J ND ND ND NA 15 15,000 NE NE
Notes:
Data obtained from the following prior reports prepared by others: LAW Engineering Comprehensive Site Assessment (1996); LAW Report of Groundwater Monitoring (2000); ECS Assessment of Petroleum Impacted Soils (2000); S&ME Soil and Groundwater Assessment Report (2004);
Schnabel Environmental Assessment (2004); Hart & Hickman Pre-CAP Monitoring Plan (2014); and Hart & Hickmman Groundwater Monitoring Report (2014).
NA - Not Analyzed
ND - Not Detected above laboratory method detection limits
NE - Not Established
All results are shown in micrograms per liter (µg/L).
Only compounds detected in one or more sample are shown.
Detections are indicated in bold.
J - Estimated concentration between method detection limit and reporting limit.
Concentrations highlighted in yellow exceed their respective NCDEQ 2L groundwater standards (or Interim Maximum Contaminant Levels if a 2L standard has not been established).
Concentrations highlighted in orange exceed their respective Gross Contaminant Levels.
Concentrations shaded in green exceed their respective NCDEQ Residential Groundwater Screening Levels for Vapor Intrusion (February 2018).
Concentrations shaded in blue exceed their respective NCDEQ Non-Residential Groundwater Screening Levels for Vapor Intrusion (February 2018).
In cases where a concentration exceeds multiple standards, the shading for the exceedance of a vapor standard is given preference.
Gross
Contaminant Level
VI-GWSL
Residential
VI-GWSL Non-
Residential
NCDEQ 2L
Groundwater
Standard
Analyte
Semi-Volatile Organic Compounds by EPA Method 8270
MADEP VPH
Lead by EPA Method 6010
Volatile Organic Compounds by EPA Method 8260, 601/602, and/or 504-1
MW-7 MW-10MW-6
Table 2
Summary of Historical Groundwater Analytical Results
Red Carpet Inn Brownfields Site
Brownfields Site No. 23070-19-060
615 East Morehead Street
Charlotte, Mecklenburg County, North Carolina
Terracon Project No. 71197661
Sample ID:MW-11 TW-1 (P-2)*TW-2 (P-10)MW-2 MW-3 MW-4 HTTW-4 HTTW-5
Sample Date:10/5/2000 10/5/2000 10/5/2000 6/30/2005 6/30/2005 6/30/2005 1/22/2014 1/22/2014
MADEP VPH
C5-C8 Aliphatics ND 3,700 6,200 ND ND ND 620 66 400 NE NE NE
C9-C18 Aliphatics ND 26,000 42,000 ND ND ND 71 100 700 NE NE NE
C9-C22 Aromatics ND 2,400 3,900 ND ND ND 720 75 200 NE NE NE
Volatile Organic Compounds by EPA Method 8260, 601/602, and/or 504-1
Benzene ND ND 16,000 190 1.2 NA 6.6 ND 1 5,000 16 69
Toluene ND ND 77,000 1,300 NA 0.26 J 0.82 ND 600 260,000 3,800 16,000
Ethylbenzene ND ND 25,000 1,800 NA NA 4.3 ND 600 84,500 35 150
Xylene ND ND 121,000 7,400 NA 0.41 J 2 ND 500 85,500 77 320
MTBE ND ND ND ND ND 4.5 J ND 1.9 20 20,000 4,500 2,000
IPE ND ND ND NA NA NA 8.5 ND 70 70,000 1,400 5,900
EDB NA NA NA NA NA NA ND 0.033 0.02 50 1.8 7.7
Chloroform ND 5.3 ND NA NA NA 0.29 1.7 70 70,000 8.1 36
Trichloroethene ND ND ND NA NA NA ND 1.1 3 3,000 1.0 4.4
Naphthalene NA NA NA 730 2.9 ND 2.7 ND 6 6,000 35 150
Isopropylbenzene NA NA NA NA NA NA ND ND 70 25,000 180 750
p-Isopropyltoluene NA NA NA NA NA NA ND ND 25 11,700 NE NE
2-Butanone NA NA NA NA NA NA 6.1 ND 4,000 4,000,000 450,000 1,900,000
n-Butylbenzene NA NA NA NA NA NA 2.9 ND 70 6,900 NE NE
sec-Butylbenzene NA NA NA NA NA NA 3.5 ND 70 8,500 NE NE
tert-Butylbenzene NA NA NA NA NA NA 0.3 ND 70 15,000 NE NE
n-Propylbenzene NA NA NA NA NA NA 1.8 ND 70 30,000 490 2,000
1,2,4-Trimethylbenzene NA NA NA NA NA NA 1.5 ND 400 28,500 50 210
1,3,5-Trimethylbenzene NA NA NA NA NA NA 0.44 ND 400 25,000 35 150
Semi-Volatile Organic Compounds by EPA Method 8270
Bis(2-ethylhexyl)phthalate NA NA NA NA NA NA NA NA 3 170 NE NE
Phenol NA NA NA NA NA NA NA NA 30 30,000 NE NE
Lead by EPA Method 6010
Lead NA NA NA NA NA NA 5.5 34 15 15,000 NE NE
Notes:
Data obtained from the following prior reports prepared by others: LAW Engineering Comprehensive Site Assessment (1996); LAW Report of Groundwater Monitoring (2000); ECS Assessment of Petroleum Impacted Soils (2000); S&ME Soil and Groundwater Assessment Report (2004);
Schnabel Environmental Assessment (2004); Hart & Hickman Pre-CAP Monitoring Plan (2014); and Hart & Hickmman Groundwater Monitoring Report (2014).
NA - Not Analyzed
ND - Not Detected above laboratory method detection limits
NE - Not Established
All results are shown in micrograms per liter (µg/L).
Only compounds detected in one or more sample are shown.
Detections are indicated in bold.
J - Estimated concentration between method detection limit and reporting limit.
Concentrations highlighted in yellow exceed their respective NCDEQ 2L groundwater standards (or Interim Maximum Contaminant Levels if a 2L standard has not been established).
Concentrations highlighted in orange exceed their respective Gross Contaminant Levels.
Concentrations shaded in green exceed their respective NCDEQ Residential Groundwater Screening Levels for Vapor Intrusion (February 2018).
Concentrations shaded in blue exceed their respective NCDEQ Non-Residential Groundwater Screening Levels for Vapor Intrusion (February 2018).
In cases where a concentration exceeds multiple standards, the shading for the exceedance of a vapor standard is given preference.
Analyte
NCDEQ 2L
Groundwater
Standard
Gross
Contaminant Level
VI-GWSL
Residential
VI-GWSL Non-
Residential
Table 2
Summary of Historical Groundwater Analytical Results
Red Carpet Inn Brownfields Site
NCBP ID: 23070-19-060
615 E. Morehead Street
Charlotte, Mecklenburg County, North Carolina
Terracon Project No. 71197661
Sample ID:TW-2 TW-3 TW-4
Sample Date:02/21/20 2/21/2020 2/21/2020
Screen Interval (ft bgs):9-24 16-31 25-40
Benzene 1 45.1 <0.15 <0.15
Diisopropyl ether 70 <1.1 <0.22 0.22J
Ethylbenzene 600 636 <0.26 <0.26
p-Isopropyltoluene 25 17.5 <0.21 <0.21
Methyl tert-butyl ether 20 <1.4 0.31J 0.31J
Naphthalene 6 186 0.65J <0.35
Toluene 600 421 <0.24 <0.24
Total Xylenes 500 810 1.7 <0.63
Benzo(a)anthracene 0.05 <1.5 <1.5 3.7J
Benzo(a)pyrene 0.005 <1.8 <1.8 4.1J
Benzo(b)fluoranthene 0.05 <1.7 <1.7 3.8J
Benzo(g,h,i)perylene 200 <1.6 <1.6 4.7J
Benzo(k)fluoranthene 0.5 <1.5 <1.5 4.2J
Butylbenzylphthalate 1000 <1.9 <1.9 3.8J
Chrysene 5 <1.4 <1.4 4.2J
Dibenz(a,h)anthracene 0.005 <1.6 <1.6 4.5J
Di-n-butylphthalate 700 <1.6 <1.6 2.9J
Di-n-octylphthalate 100 <2.2 <2.2 4.6J
bis(2-Ethylhexyl)phthalate 3 <2.0 <2.0 4.6J
Fluoranthene 300 <1.6 <1.6 2.7J
Hexachlorobenzene 0.02 <1.3 <1.3 1.4J
Indeno(1,2,3-cd)pyrene 0.05 <1.7 <1.7 4.5J
1-Methylnaphthalene 1 16.5 <1.4 <1.4
2-Methylnaphthalene 30 24 <1.4 <1.4
Naphthalene 6 63 <1.6 <1.6
Phenanthrene 200 <1.4 <1.4 1.6J
Pyrene 200 <1.5 <1.5 2.8J
Barium 700 92.9 133 66.7
Lead 15 <1.6 1.8J <1.6
Notes:
Concentrations are reported in micrograms per liter (µg/L).
Only detected compounds are shown.
J - estimated concentration above the method detection limit but below the laboratory reporting limit
NCAC 2L GWQS - North Carolina Administrative Code Subchapter 2L Groundwater Quality Standards (April 1, 2013).
Concentrations highlighted in yellow exceed their respective NCAC 2L GWQS
RCRA Metals by EPA Method 6010
Mercury not detected in any of the samples.
Analyte NCAC 2L
GWQS
Volatile Organic Compounds by EPA Method 8260
Mercury by EPA Method 7470
Semi-Volatile Organic Compounds by EPA Method 8270
Table 3
Summary of 2020 Soil Vapor Analytical Results
Red Carpet Inn Brownfields Site
NCBP ID: 23070-19-060
615 E. Morehead Street
Charlotte, Mecklenburg County, North Carolina
Terracon Project No. 71197661
Sample ID:SV-01 SV-02 DUP-01
(SV-02)SV-03 SV-04 SV-05
Sample Depth:4.5-5 3-3.5 3-4 4.75-5.25 4.5-5 4.5-5
Helium NS <0.1 %NS NS NS NS NE NE
12.6 6.56 6.2 6.68 60.6 7.51 220,000 2,700,000
Benzene <0.639 <0.639 <0.639 <0.639 3.51 <0.639 120 1,600
Carbon Disulfide 11.2 <0.622 <0.622 13.4 220 16.8 4,900 61,000
Chloroform <0.973 1.24 0.988 1.02 8.37 1.14 8.1 530
Chloromethane 0.551 <0.413 0.477 <0.413 6.92 1.13 630 7,900
Cyclohexane <0.689 <0.689 <0.689 <0.689 1.17 <0.689 42,000 530,000
1,3-Dichlorobenzene 3.23 5.31 3.14 6.13 <1.20 6.43 NE NE
Ethanol 82.8 45.6 49.4 25.8 21.7 39 NE NE
Ethylbenzene <0.867 <0.867 <0.867 1.19 8.71 <0.867 370 4,900
4-Ethyltoluene <0.982 <0.982 <0.982 1.65 9.91 <0.982 NE NE
Trichlorofluoromethane (Freon 11)<1.12 1.12 1.16 1.54 1.78 8.04 NE NE
Dichlorodifluoromethane (Freon 12)1.61 1.67 1.77 1.69 2.03 4.64 700 8,800
Heptane <0.818 <0.818 <0.818 <0.818 3.19 <0.818 2,800 35,000
Hexane <0.705 <0.705 <0.705 <0.705 2.98 <0.705 4,900 61,000
Methyl Ethyl Ketone (2-Butanone)<3.69 <3.69 <3.69 <3.69 8.14 <3.69 35,000 440,000
Methyl tert-Butyl Ether (MTBE)<0.721 <0.721 <0.721 <0.721 3.96 <0.721 3,600 47,000
Methylene Chloride 1.26 <0.694 0.802 <0.694 <0.694 <0.694 4,200 1,800,000
2-Propanol 5.73 4.52 <3.07 18.2 4.62 4.01 1,400 18,000
Tetrachloroethylene <1.36 <1.36 3.93 <1.36 <1.36 <1.36 280 3,500
Tetrahydrofuran 2.59 4.19 2.95 3.89 50.1 2.06 14,000 180,000
Toluene 2.99 <0.753 1.14 4.11 32.8 1.23 35,000 440,000
1,2,4-Trimethylbenzene 2.02 <0.982 <0.982 2.54 13.3 <0.982 420 5,300
1,3,5-Trimethylbenzene <0.982 <0.982 <0.982 <0.982 3.57 <0.982 420 5,300
2,2,4-Trimethylpentane <0.934 <0.934 <0.934 <0.934 1 <0.934 NE NE
m&p-xylene 2.25 <1.73 <1.73 4.81 33.9 <1.73 700 8,800
o-Xylene 1.28 <0.867 <0.867 1.94 12.1 <0.867 700 8,800
Notes:
Vapor samples were collected on Apri 14, 2020.
Concentrations are reported in micrograms per cubic meter (μg/m3) unless otherwise noted.
Only compounds detected in one or more samples are shown.
Concentrations detected above the laboratory reporting limit are shown in bold.
NS - Not Sampled/Analyzed
NE - Not Established
DWM - North Carolina Department of Environmental Quality, Division of Waste Management
SGSL - DWM Sub-slab and Exterior Soil Gas Screening Level, updated February 2018.
Concentrations highlighted in yellow exceed their respective Residential SGSL.
Residential
SGSL Non-Residential SGSL
EPA Method 3C
EPA Method TO-15
Acetone
Table 4
Summary of 2021 Soil Vapor Analytical Results
Red Carpet Inn Brownfields Site
NCBP ID: 23070-19-060
615 E. Morehead Street
Charlotte, Mecklenburg County, North Carolina
Terracon Project No. 71197661
Sample ID: 2021-SV-01 2021-SV-02 2021-DUP-01
(2021-SV-02)2021-SV-03 2021-SV-04 2021-SV-05
Sample Depth:7.5-8 7.5-8 7.5-8 5.25-5.75 7.5-8 7.5-8
Acetone 15 34 33 42 37 55 220,000 2,700,000
Benzene 0.58 5.5 5.6 4 4.2 11 12 160
2-Butanone (MEK)<0.98 6.4 J 6.3 J 7.3 J 5 J 9.5 J 35,000 440,000
Chloroform 0.28 J <0.12 <0.12 <0.12 <0.12 3.5 4.1 53
Ethanol 4.9 J 30 18 15 27 9.1 NE NE
Ethylbenzene 0.74 3.5 3.4 2.2 3.1 5 37 490
Heptane <0.18 46 41 2.6 19 37 2,800 35,000
Hexane <0.64 <0.64 <0.64 9.4 J 9.4 J 25 4,900 61,000
Isopropanol <2.3 6.4 J 7.2 J 7.9 J <2.3 6.1 J 1,400 18,000
Propene <0.58 30 <0.58 110 62 170 21,000 260,000
Styrene <0.12 0.36 J <0.12 1.1 0.6 1.9 7,000 88,000
Tetrachloroethylene 0.75 0.85 1.3 1.4 0.81 0.72 280 3,500
Toluene 190 140 110 220 70 84 35,000 440,000
Trichloroethylene <0.20 <0.20 <0.20 <0.20 1.3 <0.20 14 180
Trichlorofluoromethane (Freon 11)3.3 2.8 2.8 6.4 2.3 1.7 J NE NE
1,2,4-Trimethylbenzene <0.11 2.5 <0.11 <0.11 <0.11 2.4 420 5,300
1,3,5-Trimethylbenzene <0.13 0.65 <0.13 <0.13 0.51 0.64 420 5,300
m&p-Xylene 2.8 11 11 5.2 9.4 13 700 8,800
o-Xylene 0.84 4.4 4.2 2 3.7 5.5 700 8,800
Notes:
Vapor samples were collected on March 26, 2021.
Concentrations are reported in micrograms per cubic meter (μg/m3) unless otherwise noted.
Only compounds detected in one or more samples are shown.
Concentrations detected above the laboratory reporting limit are shown in bold.
J - Estimated concentration between laboratory method detection and reporting limits.
NE - Not Established
DWM - North Carolina Department of Environmental Quality, Division of Waste Management
SGSL - DWM Sub-slab and Exterior Soil Gas Screening Level, updated January 2021.
Concentrations highlighted in yellow exceed their respective Residential SGSL.
Residential
SGSL
Non-
Residential
SGSL
EPA Method TO-15

FIGURES

APPROXIMATE
SITE BOUNDARY
TOPOGRAPHIC MAP
Red Carpet Inn Brownfields Site(AKA Morehead Overlook)NCBP #23070-19-060
615 East Morehead Street
Charlotte, Mecklenburg County, North Carolina
TOPOGRAPHIC MAP IMAGE COURTESY OF THE U.S. GEOLOGICAL SURVEY QUADRANGLES INCLUDE: CHARLOTTE EAST, NC (1/1/1988).
2701 Westport Road
Charlotte, NC 28208-3608
71197661 Project Manager:
Drawn by:
Checked by:
Approved by:
WOF
MNM
MNM
1”=2,000’
71197661.1
Mar. 2021
Project No.
Scale:
File Name:
Date: 1
WOF Exhibit
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EXHIBIT NO.
File Path:
Date:
PM:
Drawn By:
Checked By:
Approved By:
1 in = 100 ft
Project No.
Scale:
2
WOF
WOF
CLC
CLC 2701 Westport Road Charlotte, North Carolina 28208Phone: [phone] Fax: [phone]
Historical Soil Sample Location Map
Red Carpet Inn Brownfields Site
(AKA Morehead Overlook)NCBP #23070-19-060615 East Morehead Street
Charlotte, Mecklenburg County, North Carolina
71197661
³
0 200100Feet
Legend
Site BoundaryTax Parcels
&>Soil Sample
East M
orehead Street Euclid AvenueRoyal Court
B-11/MW-10
B-6/MW-6
B-8/MW-7
B-7
P-2/TW-1
P-5
P-1
P-3
P-8
P-4
P-7
P-6
P-9
B-5/MW-3
B-8/MW-1
B-9/MW-2
B-10/MW-4
GP-9GP-8
GP-7
BG-1
BG-2
S-1
S-2/TW-2
S-3/TW-3
S-4/TW-4
May 2021
@A
@A
@A
@A
@A
@A
@A
@A
@A
@A
#*
#*
#*
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#*
@A
@A@A
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@A
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EXHIBIT NO.
File Path:
Date:
PM:
Drawn By:
Checked By:
Approved By:
1 in = 100 ft
Project No.
Scale:
3
WOF
WOF
MNM
MNM 2701 Westport Road Charlotte, North Carolina 28208Phone: [phone] Fax: [phone]
Red Carpet Inn Brownfields Site(AKA Morehead Overlook)NCBP #23070-19-060615 East Morehead Street4/30/2021 Charlotte, Mecklenburg County, North Carolina
71197661
³
0 200100Feet
Legend
Site Boundary
@A Historical Vapor Intrusion GWSL Exceedance
@A Historical Groundwater Sample
#*2020 Soil Vapor Sample
#*2021 Soil Vapor Sample
East M
orehead Street Euclid AvenueRoyal Court
B-11/MW-10
B-6/MW-6
B-8/MW-7
MW-11
P-2/TW-1
P-10/TW-2
B-5/MW-3
B-8/MW-1
B-9/MW-2
B-10/MW-4
HHTW-4
HHTW-5
S-2/TW-2
S-3/TW-3
S-4/TW-4
SV-03
SV-04
SV-05
SV-02
SV-01
Garage
R
etail ResidentialResidentialResidential
2021-SV-01
2021-SV-02
2021-SV-03
2021-SV-04
2021-SV-05

APPENDIX A
FIELD NOTES/DOCUMENTATION

Brownfields Soil Vapor Evaluation
Red Carpet Inn Brownfields Site ■ Charlotte, North Carolina
Photos Taken: March 26, 2021 ■ Terracon Project No. 71197661

Photo #1 View of 2021-SV-01 location. Photo #2 View of 2021-SV-02 location.

Photo #3 View of 2021-SV-03 location. Photo #4 View of 2021-SV-04 location

Photo #5 View of 2021-SV-05 location. Photo #6 Typical view of helium tracer test
and purge procedure.

APPENDIX B
LABORATORY ANALYTICAL REPORTS

39 Spruce Street * East Longmeadow, MA 01028 * FAX [phone] * TEL. [phone]
April 7, 2021
Will Frazier
Terracon - Charlotte, NC
2701 Westport Road
Charlotte, NC 28208
Project Location: 615 E. Morehead St., Charlotte, NC
Client Job Number:
Project Number: 71197661
Laboratory Work Order Number: 21D0064
Enclosed are results of analyses for samples received by the laboratory on March 30, 2021. If you have any questions concerning
this report, please feel free to contact me.
Sincerely,
Kerry K. McGee
Project Manager
QA Officer
Katherine Allen
Laboratory Manager
Daren Damboragian
Page 1 of 33
39 Spruce Street * East Longmeadow, MA 01028 * FAX [phone] * TEL. [phone]
ANALYTICAL SUMMARY
4/7/2021Terracon - Charlotte, NC
2701 Westport Road
Charlotte, NC 28208
ATTN: Will Frazier
71197661
21D0064
The results of analyses performed on the following samples submitted to Con-Test, a Pace Analytical Laboratory, are found in this report.
PROJECT LOCATION:
PURCHASE ORDER NUMBER:
PROJECT NUMBER:
REPORT DATE:
WORK ORDER NUMBER:
FIELD SAMPLE #LAB ID:MATRIX TESTSAMPLE DESCRIPTION SUB LAB
615 E. Morehead St., Charlotte, NC
2021-SV-01 21D0064-01 Soil Gas EPA TO-15
2021-SV-02 21D0064-02 Soil Gas EPA TO-15
2021-SV-03 21D0064-03 Soil Gas EPA TO-15
2021-SV-04 21D0064-04 Soil Gas EPA TO-15
2021-SV-05 21D0064-05 Soil Gas EPA TO-15
2021-DUP-01 21D0064-06 Soil Gas EPA TO-15
Page 2 of 33
39 Spruce Street * East Longmeadow, MA 01028 * FAX [phone] * TEL. [phone]
CASE NARRATIVE SUMMARY
All reported results are within defined laboratory quality control objectives unless listed below or otherwise qualified in this report.
EPA TO-15
Qualifications:
Laboratory fortified blank/laboratory control sample recovery is outside of control limits. Reported value for this compound is likely to be
biased on the low side.
Analyte & Samples(s) Qualified:
1,3-Butadiene
21D0064-01[2021-SV-01], 21D0064-02[2021-SV-02], 21D0064-03[2021-SV-03], 21D0064-04[2021-SV-04], 21D0064-05[2021-SV-05], 21D0064-06[2021-DUP-01],
B279601-BLK1, B279601-BS1, B279601-DUP1
Continuing calibration verification (CCV) did not meet method specifications and was biased on the low side for this compound.
Analyte & Samples(s) Qualified:
Propene
21D0064-01[2021-SV-01], 21D0064-02[2021-SV-02], 21D0064-03[2021-SV-03], 21D0064-04[2021-SV-04], 21D0064-05RE1[2021-SV-05], 21D0064-06[2021-DUP-01],
B279601-BLK1, B279601-BS1, B279601-DUP1, S058519-CCV1
Continuing calibration verification (CCV) did not meet method specifications and was biased on the high side for this compound.
Analyte & Samples(s) Qualified:
Trichlorofluoromethane (Freon 11)
21D0064-01[2021-SV-01], 21D0064-02[2021-SV-02], 21D0064-03[2021-SV-03], 21D0064-04[2021-SV-04], 21D0064-05[2021-SV-05], 21D0064-06[2021-DUP-01],
B279601-BS1, B279601-DUP1, S058519-CCV1
Continuing calibration verification (CCV) did not meet method specifications and was biased on the high side. Data validation is not affected
since sample result was "not detected" for this compound.
Analyte & Samples(s) Qualified:
1,1,2-Trichloro-1,2,2-trifluoroethane (Freon 113), 1,1-Dichloroethylene, Isopropanol, Methylene Chloride
B279601-BS1, S058519-CCV1
Initial calibration verification (ICV) did not meet method specifications and was biased on the low side for this compound. Reported result is
estimated.
Analyte & Samples(s) Qualified:
1,2,4-Trichlorobenzene
21D0064-01[2021-SV-01], 21D0064-02[2021-SV-02], 21D0064-03[2021-SV-03], 21D0064-04[2021-SV-04], 21D0064-05[2021-SV-05], 21D0064-06[2021-DUP-01],
B279601-BLK1, B279601-BS1, B279601-DUP1, S058519-CCV1
Compound fails the method requirement of 70-130% recovery for the LCS. Is classified by the lab as a difficult compound and passes the in
house limits of 50-150%.
Analyte & Samples(s) Qualified:
Naphthalene, Propene
21D0064-01[2021-SV-01], 21D0064-02[2021-SV-02], 21D0064-03[2021-SV-03], 21D0064-04[2021-SV-04], 21D0064-05[2021-SV-05], 21D0064-06[2021-DUP-01],
B279601-BLK1, B279601-BS1, B279601-DUP1, 21D0064-05RE1[2021-SV-05]
Page 3 of 33
39 Spruce Street * East Longmeadow, MA 01028 * FAX [phone] * TEL. [phone]
The results of analyses reported only relate to samples submitted to Con-Test, a Pace Analytical Laboratory, for testing.
I certify that the analyses listed above, unless specifically listed as subcontracted, if any, were performed under my direction according to the approved methodologies listed
in this document, and that based upon my inquiry of those individuals immediately responsible for obtaining the information, the material contained in this report is, to the
best of my knowledge and belief, accurate and complete.
Lisa A. Worthington
Technical Representative
Page 4 of 33
39 Spruce Street * East Longmeadow, MA 01028 * FAX [phone] * TEL. [phone]
ANALYTICAL RESULTS
Project Location: 615 E. Morehead St., Charlotte, N
Date Received: 3/30/2021
Work Order: 21D0064Sample Description/Location:
Field Sample #: 2021-SV-01
Sample ID: 21D0064-01
Sample Matrix: Soil Gas
Initial Vacuum(in Hg): -28.5
Final Vacuum(in Hg): -4
Receipt Vacuum(in Hg): -4.2
Sampled: 3/26/2021 12:57
Canister ID: 2122
Flow Controller ID: 4260
Sub Description/Location:
Canister Size: 1 liter
Flow Controller Type: Fixed-Orifice
Flow Controller Calibration
RPD Pre and Post-Sampling:
Sample Type: 10 min
RLResults AnalystAnalyzedDilutionFlag/QualRLResultsAnalyte
Date/Time
EPA TO-15
ppbv ug/m3
MDL MDL
Acetone 6.3 4.0 4/6/21 14:22 BRF15 29.52.4 5.7
Benzene 0.18 0.10 4/6/21 14:22 BRF0.58 20.320.029 0.093
Benzyl chloride ND 0.10 4/6/21 14:22 BRFND20.520.045 0.23
Bromodichloromethane ND 0.10 4/6/21 14:22 BRFND20.670.028 0.19
Bromoform ND 0.10 4/6/21 14:22 BRFND21.00.034 0.36
Bromomethane ND 0.10 4/6/21 14:22 BRFND20.390.053 0.21
1,3-Butadiene ND 0.10 4/6/21 14:22 BRFL-03 ND 20.220.073 0.16
2-Butanone (MEK)ND 4.0 4/6/21 14:22 BRFND2120.33 0.98
Carbon Disulfide ND 1.0 4/6/21 14:22 BRFND23.10.25 0.79
Carbon Tetrachloride ND 0.10 4/6/21 14:22 BRFND20.630.027 0.17
Chlorobenzene ND 0.10 4/6/21 14:22 BRFND20.460.024 0.11
Chloroethane ND 0.10 4/6/21 14:22 BRFND20.260.098 0.26
Chloroform 0.058 0.10 4/6/21 14:22 BRFJ0.28 20.490.024 0.12
Chloromethane ND 0.20 4/6/21 14:22 BRFND20.410.076 0.16
Cyclohexane ND 0.10 4/6/21 14:22 BRFND20.340.049 0.17
Dibromochloromethane ND 0.10 4/6/21 14:22 BRFND20.850.034 0.29
1,2-Dibromoethane (EDB)ND 0.10 4/6/21 14:22 BRFND20.770.026 0.20
1,2-Dichlorobenzene ND 0.10 4/6/21 14:22 BRFND20.600.037 0.22
1,3-Dichlorobenzene ND 0.10 4/6/21 14:22 BRFND20.600.036 0.22
1,4-Dichlorobenzene ND 0.10 4/6/21 14:22 BRFND20.600.022 0.13
Dichlorodifluoromethane (Freon 12)ND 0.10 4/6/21 14:22 BRFND20.490.031 0.16
1,1-Dichloroethane ND 0.10 4/6/21 14:22 BRFND20.400.031 0.13
1,2-Dichloroethane ND 0.10 4/6/21 14:22 BRFND20.400.037 0.15
1,1-Dichloroethylene ND 0.10 4/6/21 14:22 BRFND20.400.054 0.22
cis-1,2-Dichloroethylene ND 0.10 4/6/21 14:22 BRFND20.400.034 0.13
trans-1,2-Dichloroethylene ND 0.10 4/6/21 14:22 BRFND20.400.030 0.12
1,2-Dichloropropane ND 0.10 4/6/21 14:22 BRFND20.460.036 0.17
cis-1,3-Dichloropropene ND 0.10 4/6/21 14:22 BRFND20.450.046 0.21
trans-1,3-Dichloropropene ND 0.10 4/6/21 14:22 BRFND20.450.034 0.15
1,2-Dichloro-1,1,2,2-tetrafluoroethane (Freon 114)ND 0.10 4/6/21 14:22 BRFND20.700.056 0.39
1,4-Dioxane ND 1.0 4/6/21 14:22 BRFND23.60.28 1.0
Ethanol 2.6 4.0 4/6/21 14:22 BRFJ4.9 27.51.2 2.3
Ethyl Acetate ND 1.0 4/6/21 14:22 BRFND23.60.59 2.1
Ethylbenzene 0.17 0.10 4/6/21 14:22 BRF0.74 20.430.021 0.090
4-Ethyltoluene ND 0.10 4/6/21 14:22 BRFND20.490.031 0.15
Heptane ND 0.10 4/6/21 14:22 BRFND20.410.043 0.18
Hexachlorobutadiene ND 0.10 4/6/21 14:22 BRFND21.10.044 0.47
Hexane ND 4.0 4/6/21 14:22 BRFND2140.18 0.64
2-Hexanone (MBK)ND 0.20 4/6/21 14:22 BRFND20.820.056 0.23
Isopropanol ND 4.0 4/6/21 14:22 BRFND29.80.92 2.3
Methyl tert-Butyl Ether (MTBE)ND 0.10 4/6/21 14:22 BRFND20.360.040 0.14
Methylene Chloride ND 1.0 4/6/21 14:22 BRFND23.50.23 0.80
4-Methyl-2-pentanone (MIBK)ND 0.10 4/6/21 14:22 BRFND20.410.052 0.21
Naphthalene ND 0.10 4/6/21 14:22 BRFZ-01 ND 20.520.056 0.29
Propene ND 4.0 4/6/21 14:22 BRFV-05, Z-01 ND 26.90.34 0.58
Styrene ND 0.10 4/6/21 14:22 BRFND20.430.029 0.12
1,1,2,2-Tetrachloroethane ND 0.10 4/6/21 14:22 BRFND20.690.027 0.18
Page 5 of 33
39 Spruce Street * East Longmeadow, MA 01028 * FAX [phone] * TEL. [phone]
ANALYTICAL RESULTS
Project Location: 615 E. Morehead St., Charlotte, N
Date Received: 3/30/2021
Work Order: 21D0064Sample Description/Location:
Field Sample #: 2021-SV-01
Sample ID: 21D0064-01
Sample Matrix: Soil Gas
Initial Vacuum(in Hg): -28.5
Final Vacuum(in Hg): -4
Receipt Vacuum(in Hg): -4.2
Sampled: 3/26/2021 12:57
Canister ID: 2122
Flow Controller ID: 4260
Sub Description/Location:
Canister Size: 1 liter
Flow Controller Type: Fixed-Orifice
Flow Controller Calibration
RPD Pre and Post-Sampling:
Sample Type: 10 min
RLResults AnalystAnalyzedDilutionFlag/QualRLResultsAnalyte
Date/Time
EPA TO-15
ppbv ug/m3
MDL MDL
Tetrachloroethylene 0.11 0.10 4/6/21 14:22 BRF0.75 20.680.033 0.22
Tetrahydrofuran ND 1.0 4/6/21 14:22 BRFND22.90.25 0.73
Toluene 51 0.10 4/6/21 14:22 BRF190 20.380.029 0.11
1,2,4-Trichlorobenzene ND 0.10 4/6/21 14:22 BRFV-34 ND 20.740.061 0.45
1,1,1-Trichloroethane ND 0.10 4/6/21 14:22 BRFND20.550.033 0.18
1,1,2-Trichloroethane ND 0.10 4/6/21 14:22 BRFND20.550.037 0.20
Trichloroethylene ND 0.10 4/6/21 14:22 BRFND20.540.037 0.20
Trichlorofluoromethane (Freon 11)0.58 0.40 4/6/21 14:22 BRFV-06 3.3 22.20.076 0.43
1,1,2-Trichloro-1,2,2-trifluoroethane (Freon 113)ND 0.40 4/6/21 14:22 BRFND23.10.075 0.58
1,2,4-Trimethylbenzene ND 0.10 4/6/21 14:22 BRFND20.490.023 0.11
1,3,5-Trimethylbenzene ND 0.10 4/6/21 14:22 BRFND20.490.026 0.13
Vinyl Acetate ND 2.0 4/6/21 14:22 BRFND27.00.28 0.99
Vinyl Chloride ND 0.10 4/6/21 14:22 BRFND20.260.056 0.14
m&p-Xylene 0.64 0.20 4/6/21 14:22 BRF2.8 20.870.035 0.15
o-Xylene 0.19 0.10 4/6/21 14:22 BRF0.84 20.430.027 0.12
Surrogates % Recovery % REC Limits
4-Bromofluorobenzene (1)111 4/6/21 14:2270-130
Page 6 of 33
39 Spruce Street * East Longmeadow, MA 01028 * FAX [phone] * TEL. [phone]
ANALYTICAL RESULTS
Project Location: 615 E. Morehead St., Charlotte, N
Date Received: 3/30/2021
Work Order: 21D0064Sample Description/Location:
Field Sample #: 2021-SV-02
Sample ID: 21D0064-02
Sample Matrix: Soil Gas
Initial Vacuum(in Hg): -27
Final Vacuum(in Hg): -4
Receipt Vacuum(in Hg): -6.2
Sampled: 3/26/2021 13:37
Canister ID: 2348
Flow Controller ID: 4223
Sub Description/Location:
Canister Size: 1 liter
Flow Controller Type: Fixed-Orifice
Flow Controller Calibration
RPD Pre and Post-Sampling:
Sample Type: 10 min
RLResults AnalystAnalyzedDilutionFlag/QualRLResultsAnalyte
Date/Time
EPA TO-15
ppbv ug/m3
MDL MDL
Acetone 14 4.0 4/6/21 15:15 BRF34 29.52.4 5.7
Benzene 1.7 0.10 4/6/21 15:15 BRF5.5 20.320.029 0.093
Benzyl chloride ND 0.10 4/6/21 15:15 BRFND20.520.045 0.23
Bromodichloromethane ND 0.10 4/6/21 15:15 BRFND20.670.028 0.19
Bromoform ND 0.10 4/6/21 15:15 BRFND21.00.034 0.36
Bromomethane ND 0.10 4/6/21 15:15 BRFND20.390.053 0.21
1,3-Butadiene ND 0.10 4/6/21 15:15 BRFL-03 ND 20.220.073 0.16
2-Butanone (MEK)2.2 4.0 4/6/21 15:15 BRFJ6.4 2120.33 0.98
Carbon Disulfide ND 1.0 4/6/21 15:15 BRFND23.10.25 0.79
Carbon Tetrachloride ND 0.10 4/6/21 15:15 BRFND20.630.027 0.17
Chlorobenzene ND 0.10 4/6/21 15:15 BRFND20.460.024 0.11
Chloroethane ND 0.10 4/6/21 15:15 BRFND20.260.098 0.26
Chloroform ND 0.10 4/6/21 15:15 BRFND20.490.024 0.12
Chloromethane ND 0.20 4/6/21 15:15 BRFND20.410.076 0.16
Cyclohexane ND 0.10 4/6/21 15:15 BRFND20.340.049 0.17
Dibromochloromethane ND 0.10 4/6/21 15:15 BRFND20.850.034 0.29
1,2-Dibromoethane (EDB)ND 0.10 4/6/21 15:15 BRFND20.770.026 0.20
1,2-Dichlorobenzene ND 0.10 4/6/21 15:15 BRFND20.600.037 0.22
1,3-Dichlorobenzene ND 0.10 4/6/21 15:15 BRFND20.600.036 0.22
1,4-Dichlorobenzene ND 0.10 4/6/21 15:15 BRFND20.600.022 0.13
Dichlorodifluoromethane (Freon 12)ND 0.10 4/6/21 15:15 BRFND20.490.031 0.16
1,1-Dichloroethane ND 0.10 4/6/21 15:15 BRFND20.400.031 0.13
1,2-Dichloroethane ND 0.10 4/6/21 15:15 BRFND20.400.037 0.15
1,1-Dichloroethylene ND 0.10 4/6/21 15:15 BRFND20.400.054 0.22
cis-1,2-Dichloroethylene ND 0.10 4/6/21 15:15 BRFND20.400.034 0.13
trans-1,2-Dichloroethylene ND 0.10 4/6/21 15:15 BRFND20.400.030 0.12
1,2-Dichloropropane ND 0.10 4/6/21 15:15 BRFND20.460.036 0.17
cis-1,3-Dichloropropene ND 0.10 4/6/21 15:15 BRFND20.450.046 0.21
trans-1,3-Dichloropropene ND 0.10 4/6/21 15:15 BRFND20.450.034 0.15
1,2-Dichloro-1,1,2,2-tetrafluoroethane (Freon 114)ND 0.10 4/6/21 15:15 BRFND20.700.056 0.39
1,4-Dioxane ND 1.0 4/6/21 15:15 BRFND23.60.28 1.0
Ethanol 16 4.0 4/6/21 15:15 BRF30 27.51.2 2.3
Ethyl Acetate ND 1.0 4/6/21 15:15 BRFND23.60.59 2.1
Ethylbenzene 0.81 0.10 4/6/21 15:15 BRF3.5 20.430.021 0.090
4-Ethyltoluene ND 0.10 4/6/21 15:15 BRFND20.490.031 0.15
Heptane 11 0.10 4/6/21 15:15 BRF46 20.410.043 0.18
Hexachlorobutadiene ND 0.10 4/6/21 15:15 BRFND21.10.044 0.47
Hexane ND 4.0 4/6/21 15:15 BRFND2140.18 0.64
2-Hexanone (MBK)ND 0.20 4/6/21 15:15 BRFND20.820.056 0.23
Isopropanol 2.6 4.0 4/6/21 15:15 BRFJ6.4 29.80.92 2.3
Methyl tert-Butyl Ether (MTBE)ND 0.10 4/6/21 15:15 BRFND20.360.040 0.14
Methylene Chloride ND 1.0 4/6/21 15:15 BRFND23.50.23 0.80
4-Methyl-2-pentanone (MIBK)ND 0.10 4/6/21 15:15 BRFND20.410.052 0.21
Naphthalene ND 0.10 4/6/21 15:15 BRFZ-01 ND 20.520.056 0.29
Propene 17 4.0 4/6/21 15:15 BRFV-05, Z-01 30 26.90.34 0.58
Styrene 0.084 0.10 4/6/21 15:15 BRFJ0.36 20.430.029 0.12
1,1,2,2-Tetrachloroethane ND 0.10 4/6/21 15:15 BRFND20.690.027 0.18
Page 7 of 33
39 Spruce Street * East Longmeadow, MA 01028 * FAX [phone] * TEL. [phone]
ANALYTICAL RESULTS
Project Location: 615 E. Morehead St., Charlotte, N
Date Received: 3/30/2021
Work Order: 21D0064Sample Description/Location:
Field Sample #: 2021-SV-02
Sample ID: 21D0064-02
Sample Matrix: Soil Gas
Initial Vacuum(in Hg): -27
Final Vacuum(in Hg): -4
Receipt Vacuum(in Hg): -6.2
Sampled: 3/26/2021 13:37
Canister ID: 2348
Flow Controller ID: 4223
Sub Description/Location:
Canister Size: 1 liter
Flow Controller Type: Fixed-Orifice
Flow Controller Calibration
RPD Pre and Post-Sampling:
Sample Type: 10 min
RLResults AnalystAnalyzedDilutionFlag/QualRLResultsAnalyte
Date/Time
EPA TO-15
ppbv ug/m3
MDL MDL
Tetrachloroethylene 0.13 0.10 4/6/21 15:15 BRF0.85 20.680.033 0.22
Tetrahydrofuran ND 1.0 4/6/21 15:15 BRFND22.90.25 0.73
Toluene 36 0.10 4/6/21 15:15 BRF140 20.380.029 0.11
1,2,4-Trichlorobenzene ND 0.10 4/6/21 15:15 BRFV-34 ND 20.740.061 0.45
1,1,1-Trichloroethane ND 0.10 4/6/21 15:15 BRFND20.550.033 0.18
1,1,2-Trichloroethane ND 0.10 4/6/21 15:15 BRFND20.550.037 0.20
Trichloroethylene ND 0.10 4/6/21 15:15 BRFND20.540.037 0.20
Trichlorofluoromethane (Freon 11)0.50 0.40 4/6/21 15:15 BRFV-06 2.8 22.20.076 0.43
1,1,2-Trichloro-1,2,2-trifluoroethane (Freon 113)ND 0.40 4/6/21 15:15 BRFND23.10.075 0.58
1,2,4-Trimethylbenzene 0.51 0.10 4/6/21 15:15 BRF2.5 20.490.023 0.11
1,3,5-Trimethylbenzene 0.13 0.10 4/6/21 15:15 BRF0.65 20.490.026 0.13
Vinyl Acetate ND 2.0 4/6/21 15:15 BRFND27.00.28 0.99
Vinyl Chloride ND 0.10 4/6/21 15:15 BRFND20.260.056 0.14
m&p-Xylene 2.6 0.20 4/6/21 15:15 BRF11 20.870.035 0.15
o-Xylene 1.0 0.10 4/6/21 15:15 BRF4.4 20.430.027 0.12
Surrogates % Recovery % REC Limits
4-Bromofluorobenzene (1)114 4/6/21 15:1570-130
Page 8 of 33
39 Spruce Street * East Longmeadow, MA 01028 * FAX [phone] * TEL. [phone]
ANALYTICAL RESULTS
Project Location: 615 E. Morehead St., Charlotte, N
Date Received: 3/30/2021
Work Order: 21D0064Sample Description/Location:
Field Sample #: 2021-SV-03
Sample ID: 21D0064-03
Sample Matrix: Soil Gas
Initial Vacuum(in Hg): -29
Final Vacuum(in Hg): -4
Receipt Vacuum(in Hg): -5.4
Sampled: 3/26/2021 16:07
Canister ID: 2114
Flow Controller ID: 4231
Sub Description/Location:
Canister Size: 1 liter
Flow Controller Type: Fixed-Orifice
Flow Controller Calibration
RPD Pre and Post-Sampling:
Sample Type: 10 min
RLResults AnalystAnalyzedDilutionFlag/QualRLResultsAnalyte
Date/Time
EPA TO-15
ppbv ug/m3
MDL MDL
Acetone 18 4.0 4/6/21 15:41 BRF42 29.52.4 5.7
Benzene 1.3 0.10 4/6/21 15:41 BRF4.0 20.320.029 0.093
Benzyl chloride ND 0.10 4/6/21 15:41 BRFND20.520.045 0.23
Bromodichloromethane ND 0.10 4/6/21 15:41 BRFND20.670.028 0.19
Bromoform ND 0.10 4/6/21 15:41 BRFND21.00.034 0.36
Bromomethane ND 0.10 4/6/21 15:41 BRFND20.390.053 0.21
1,3-Butadiene ND 0.10 4/6/21 15:41 BRFL-03 ND 20.220.073 0.16
2-Butanone (MEK)2.5 4.0 4/6/21 15:41 BRFJ7.3 2120.33 0.98
Carbon Disulfide ND 1.0 4/6/21 15:41 BRFND23.10.25 0.79
Carbon Tetrachloride ND 0.10 4/6/21 15:41 BRFND20.630.027 0.17
Chlorobenzene ND 0.10 4/6/21 15:41 BRFND20.460.024 0.11
Chloroethane ND 0.10 4/6/21 15:41 BRFND20.260.098 0.26
Chloroform ND 0.10 4/6/21 15:41 BRFND20.490.024 0.12
Chloromethane ND 0.20 4/6/21 15:41 BRFND20.410.076 0.16
Cyclohexane ND 0.10 4/6/21 15:41 BRFND20.340.049 0.17
Dibromochloromethane ND 0.10 4/6/21 15:41 BRFND20.850.034 0.29
1,2-Dibromoethane (EDB)ND 0.10 4/6/21 15:41 BRFND20.770.026 0.20
1,2-Dichlorobenzene ND 0.10 4/6/21 15:41 BRFND20.600.037 0.22
1,3-Dichlorobenzene ND 0.10 4/6/21 15:41 BRFND20.600.036 0.22
1,4-Dichlorobenzene ND 0.10 4/6/21 15:41 BRFND20.600.022 0.13
Dichlorodifluoromethane (Freon 12)ND 0.10 4/6/21 15:41 BRFND20.490.031 0.16
1,1-Dichloroethane ND 0.10 4/6/21 15:41 BRFND20.400.031 0.13
1,2-Dichloroethane ND 0.10 4/6/21 15:41 BRFND20.400.037 0.15
1,1-Dichloroethylene ND 0.10 4/6/21 15:41 BRFND20.400.054 0.22
cis-1,2-Dichloroethylene ND 0.10 4/6/21 15:41 BRFND20.400.034 0.13
trans-1,2-Dichloroethylene ND 0.10 4/6/21 15:41 BRFND20.400.030 0.12
1,2-Dichloropropane ND 0.10 4/6/21 15:41 BRFND20.460.036 0.17
cis-1,3-Dichloropropene ND 0.10 4/6/21 15:41 BRFND20.450.046 0.21
trans-1,3-Dichloropropene ND 0.10 4/6/21 15:41 BRFND20.450.034 0.15
1,2-Dichloro-1,1,2,2-tetrafluoroethane (Freon 114)ND 0.10 4/6/21 15:41 BRFND20.700.056 0.39
1,4-Dioxane ND 1.0 4/6/21 15:41 BRFND23.60.28 1.0
Ethanol 7.8 4.0 4/6/21 15:41 BRF15 27.51.2 2.3
Ethyl Acetate ND 1.0 4/6/21 15:41 BRFND23.60.59 2.1
Ethylbenzene 0.51 0.10 4/6/21 15:41 BRF2.2 20.430.021 0.090
4-Ethyltoluene ND 0.10 4/6/21 15:41 BRFND20.490.031 0.15
Heptane 0.63 0.10 4/6/21 15:41 BRF2.6 20.410.043 0.18
Hexachlorobutadiene ND 0.10 4/6/21 15:41 BRFND21.10.044 0.47
Hexane 2.7 4.0 4/6/21 15:41 BRFJ9.4 2140.18 0.64
2-Hexanone (MBK)ND 0.20 4/6/21 15:41 BRFND20.820.056 0.23
Isopropanol 3.2 4.0 4/6/21 15:41 BRFJ7.9 29.80.92 2.3
Methyl tert-Butyl Ether (MTBE)ND 0.10 4/6/21 15:41 BRFND20.360.040 0.14
Methylene Chloride ND 1.0 4/6/21 15:41 BRFND23.50.23 0.80
4-Methyl-2-pentanone (MIBK)ND 0.10 4/6/21 15:41 BRFND20.410.052 0.21
Naphthalene ND 0.10 4/6/21 15:41 BRFZ-01 ND 20.520.056 0.29
Propene 61 4.0 4/6/21 15:41 BRFV-05, Z-01 110 26.90.34 0.58
Styrene 0.26 0.10 4/6/21 15:41 BRF1.1 20.430.029 0.12
1,1,2,2-Tetrachloroethane ND 0.10 4/6/21 15:41 BRFND20.690.027 0.18
Page 9 of 33
39 Spruce Street * East Longmeadow, MA 01028 * FAX [phone] * TEL. [phone]
ANALYTICAL RESULTS
Project Location: 615 E. Morehead St., Charlotte, N
Date Received: 3/30/2021
Work Order: 21D0064Sample Description/Location:
Field Sample #: 2021-SV-03
Sample ID: 21D0064-03
Sample Matrix: Soil Gas
Initial Vacuum(in Hg): -29
Final Vacuum(in Hg): -4
Receipt Vacuum(in Hg): -5.4
Sampled: 3/26/2021 16:07
Canister ID: 2114
Flow Controller ID: 4231
Sub Description/Location:
Canister Size: 1 liter
Flow Controller Type: Fixed-Orifice
Flow Controller Calibration
RPD Pre and Post-Sampling:
Sample Type: 10 min
RLResults AnalystAnalyzedDilutionFlag/QualRLResultsAnalyte
Date/Time
EPA TO-15
ppbv ug/m3
MDL MDL
Tetrachloroethylene 0.20 0.10 4/6/21 15:41 BRF1.4 20.680.033 0.22
Tetrahydrofuran ND 1.0 4/6/21 15:41 BRFND22.90.25 0.73
Toluene 59 0.10 4/6/21 15:41 BRF220 20.380.029 0.11
1,2,4-Trichlorobenzene ND 0.10 4/6/21 15:41 BRFV-34 ND 20.740.061 0.45
1,1,1-Trichloroethane ND 0.10 4/6/21 15:41 BRFND20.550.033 0.18
1,1,2-Trichloroethane ND 0.10 4/6/21 15:41 BRFND20.550.037 0.20
Trichloroethylene ND 0.10 4/6/21 15:41 BRFND20.540.037 0.20
Trichlorofluoromethane (Freon 11)1.1 0.40 4/6/21 15:41 BRFV-06 6.4 22.20.076 0.43
1,1,2-Trichloro-1,2,2-trifluoroethane (Freon 113)ND 0.40 4/6/21 15:41 BRFND23.10.075 0.58
1,2,4-Trimethylbenzene ND 0.10 4/6/21 15:41 BRFND20.490.023 0.11
1,3,5-Trimethylbenzene ND 0.10 4/6/21 15:41 BRFND20.490.026 0.13
Vinyl Acetate ND 2.0 4/6/21 15:41 BRFND27.00.28 0.99
Vinyl Chloride ND 0.10 4/6/21 15:41 BRFND20.260.056 0.14
m&p-Xylene 1.2 0.20 4/6/21 15:41 BRF5.2 20.870.035 0.15
o-Xylene 0.46 0.10 4/6/21 15:41 BRF2.0 20.430.027 0.12
Surrogates % Recovery % REC Limits
4-Bromofluorobenzene (1)113 4/6/21 15:4170-130
Page 10 of 33
39 Spruce Street * East Longmeadow, MA 01028 * FAX [phone] * TEL. [phone]
ANALYTICAL RESULTS
Project Location: 615 E. Morehead St., Charlotte, N
Date Received: 3/30/2021
Work Order: 21D0064Sample Description/Location:
Field Sample #: 2021-SV-04
Sample ID: 21D0064-04
Sample Matrix: Soil Gas
Initial Vacuum(in Hg): -27
Final Vacuum(in Hg): -3
Receipt Vacuum(in Hg): -5
Sampled: 3/26/2021 14:52
Canister ID: 2236
Flow Controller ID: 4150
Sub Description/Location:
Canister Size: 1 liter
Flow Controller Type: Fixed-Orifice
Flow Controller Calibration
RPD Pre and Post-Sampling:
Sample Type: 10 min
RLResults AnalystAnalyzedDilutionFlag/QualRLResultsAnalyte
Date/Time
EPA TO-15
ppbv ug/m3
MDL MDL
Acetone 16 4.0 4/6/21 16:08 BRF37 29.52.4 5.7
Benzene 1.3 0.10 4/6/21 16:08 BRF4.2 20.320.029 0.093
Benzyl chloride ND 0.10 4/6/21 16:08 BRFND20.520.045 0.23
Bromodichloromethane ND 0.10 4/6/21 16:08 BRFND20.670.028 0.19
Bromoform ND 0.10 4/6/21 16:08 BRFND21.00.034 0.36
Bromomethane ND 0.10 4/6/21 16:08 BRFND20.390.053 0.21
1,3-Butadiene ND 0.10 4/6/21 16:08 BRFL-03 ND 20.220.073 0.16
2-Butanone (MEK)1.7 4.0 4/6/21 16:08 BRFJ5.0 2120.33 0.98
Carbon Disulfide ND 1.0 4/6/21 16:08 BRFND23.10.25 0.79
Carbon Tetrachloride ND 0.10 4/6/21 16:08 BRFND20.630.027 0.17
Chlorobenzene ND 0.10 4/6/21 16:08 BRFND20.460.024 0.11
Chloroethane ND 0.10 4/6/21 16:08 BRFND20.260.098 0.26
Chloroform ND 0.10 4/6/21 16:08 BRFND20.490.024 0.12
Chloromethane ND 0.20 4/6/21 16:08 BRFND20.410.076 0.16
Cyclohexane ND 0.10 4/6/21 16:08 BRFND20.340.049 0.17
Dibromochloromethane ND 0.10 4/6/21 16:08 BRFND20.850.034 0.29
1,2-Dibromoethane (EDB)ND 0.10 4/6/21 16:08 BRFND20.770.026 0.20
1,2-Dichlorobenzene ND 0.10 4/6/21 16:08 BRFND20.600.037 0.22
1,3-Dichlorobenzene ND 0.10 4/6/21 16:08 BRFND20.600.036 0.22
1,4-Dichlorobenzene ND 0.10 4/6/21 16:08 BRFND20.600.022 0.13
Dichlorodifluoromethane (Freon 12)ND 0.10 4/6/21 16:08 BRFND20.490.031 0.16
1,1-Dichloroethane ND 0.10 4/6/21 16:08 BRFND20.400.031 0.13
1,2-Dichloroethane ND 0.10 4/6/21 16:08 BRFND20.400.037 0.15
1,1-Dichloroethylene ND 0.10 4/6/21 16:08 BRFND20.400.054 0.22
cis-1,2-Dichloroethylene ND 0.10 4/6/21 16:08 BRFND20.400.034 0.13
trans-1,2-Dichloroethylene ND 0.10 4/6/21 16:08 BRFND20.400.030 0.12
1,2-Dichloropropane ND 0.10 4/6/21 16:08 BRFND20.460.036 0.17
cis-1,3-Dichloropropene ND 0.10 4/6/21 16:08 BRFND20.450.046 0.21
trans-1,3-Dichloropropene ND 0.10 4/6/21 16:08 BRFND20.450.034 0.15
1,2-Dichloro-1,1,2,2-tetrafluoroethane (Freon 114)ND 0.10 4/6/21 16:08 BRFND20.700.056 0.39
1,4-Dioxane ND 1.0 4/6/21 16:08 BRFND23.60.28 1.0
Ethanol 14 4.0 4/6/21 16:08 BRF27 27.51.2 2.3
Ethyl Acetate ND 1.0 4/6/21 16:08 BRFND23.60.59 2.1
Ethylbenzene 0.72 0.10 4/6/21 16:08 BRF3.1 20.430.021 0.090
4-Ethyltoluene ND 0.10 4/6/21 16:08 BRFND20.490.031 0.15
Heptane 4.7 0.10 4/6/21 16:08 BRF19 20.410.043 0.18
Hexachlorobutadiene ND 0.10 4/6/21 16:08 BRFND21.10.044 0.47
Hexane 2.7 4.0 4/6/21 16:08 BRFJ9.4 2140.18 0.64
2-Hexanone (MBK)ND 0.20 4/6/21 16:08 BRFND20.820.056 0.23
Isopropanol ND 4.0 4/6/21 16:08 BRFND29.80.92 2.3
Methyl tert-Butyl Ether (MTBE)ND 0.10 4/6/21 16:08 BRFND20.360.040 0.14
Methylene Chloride ND 1.0 4/6/21 16:08 BRFND23.50.23 0.80
4-Methyl-2-pentanone (MIBK)ND 0.10 4/6/21 16:08 BRFND20.410.052 0.21
Naphthalene ND 0.10 4/6/21 16:08 BRFZ-01 ND 20.520.056 0.29
Propene 36 4.0 4/6/21 16:08 BRFV-05, Z-01 62 26.90.34 0.58
Styrene 0.14 0.10 4/6/21 16:08 BRF0.60 20.430.029 0.12
1,1,2,2-Tetrachloroethane ND 0.10 4/6/21 16:08 BRFND20.690.027 0.18
Page 11 of 33
39 Spruce Street * East Longmeadow, MA 01028 * FAX [phone] * TEL. [phone]
ANALYTICAL RESULTS
Project Location: 615 E. Morehead St., Charlotte, N
Date Received: 3/30/2021
Work Order: 21D0064Sample Description/Location:
Field Sample #: 2021-SV-04
Sample ID: 21D0064-04
Sample Matrix: Soil Gas
Initial Vacuum(in Hg): -27
Final Vacuum(in Hg): -3
Receipt Vacuum(in Hg): -5
Sampled: 3/26/2021 14:52
Canister ID: 2236
Flow Controller ID: 4150
Sub Description/Location:
Canister Size: 1 liter
Flow Controller Type: Fixed-Orifice
Flow Controller Calibration
RPD Pre and Post-Sampling:
Sample Type: 10 min
RLResults AnalystAnalyzedDilutionFlag/QualRLResultsAnalyte
Date/Time
EPA TO-15
ppbv ug/m3
MDL MDL
Tetrachloroethylene 0.12 0.10 4/6/21 16:08 BRF0.81 20.680.033 0.22
Tetrahydrofuran ND 1.0 4/6/21 16:08 BRFND22.90.25 0.73
Toluene 19 0.10 4/6/21 16:08 BRF70 20.380.029 0.11
1,2,4-Trichlorobenzene ND 0.10 4/6/21 16:08 BRFV-34 ND 20.740.061 0.45
1,1,1-Trichloroethane ND 0.10 4/6/21 16:08 BRFND20.550.033 0.18
1,1,2-Trichloroethane ND 0.10 4/6/21 16:08 BRFND20.550.037 0.20
Trichloroethylene 0.25 0.10 4/6/21 16:08 BRF1.3 20.540.037 0.20
Trichlorofluoromethane (Freon 11)0.41 0.40 4/6/21 16:08 BRFV-06 2.3 22.20.076 0.43
1,1,2-Trichloro-1,2,2-trifluoroethane (Freon 113)ND 0.40 4/6/21 16:08 BRFND23.10.075 0.58
1,2,4-Trimethylbenzene ND 0.10 4/6/21 16:08 BRFND20.490.023 0.11
1,3,5-Trimethylbenzene 0.10 0.10 4/6/21 16:08 BRF0.51 20.490.026 0.13
Vinyl Acetate ND 2.0 4/6/21 16:08 BRFND27.00.28 0.99
Vinyl Chloride ND 0.10 4/6/21 16:08 BRFND20.260.056 0.14
m&p-Xylene 2.2 0.20 4/6/21 16:08 BRF9.4 20.870.035 0.15
o-Xylene 0.85 0.10 4/6/21 16:08 BRF3.7 20.430.027 0.12
Surrogates % Recovery % REC Limits
4-Bromofluorobenzene (1)112 4/6/21 16:0870-130
Page 12 of 33
39 Spruce Street * East Longmeadow, MA 01028 * FAX [phone] * TEL. [phone]
ANALYTICAL RESULTS
Project Location: 615 E. Morehead St., Charlotte, N
Date Received: 3/30/2021
Work Order: 21D0064Sample Description/Location:
Field Sample #: 2021-SV-05
Sample ID: 21D0064-05
Sample Matrix: Soil Gas
Initial Vacuum(in Hg): -30
Final Vacuum(in Hg): -4
Receipt Vacuum(in Hg): -5.9
Sampled: 3/26/2021 15:29
Canister ID: 2102
Flow Controller ID: 4230
Sub Description/Location:
Canister Size: 1 liter
Flow Controller Type: Fixed-Orifice
Flow Controller Calibration
RPD Pre and Post-Sampling:
Sample Type: 10 min
RLResults AnalystAnalyzedDilutionFlag/QualRLResultsAnalyte
Date/Time
EPA TO-15
ppbv ug/m3
MDL MDL
Acetone 23 4.0 4/6/21 16:34 BRF55 29.52.4 5.7
Benzene 3.3 0.10 4/6/21 16:34 BRF11 20.320.029 0.093
Benzyl chloride ND 0.10 4/6/21 16:34 BRFND20.520.045 0.23
Bromodichloromethane ND 0.10 4/6/21 16:34 BRFND20.670.028 0.19
Bromoform ND 0.10 4/6/21 16:34 BRFND21.00.034 0.36
Bromomethane ND 0.10 4/6/21 16:34 BRFND20.390.053 0.21
1,3-Butadiene ND 0.10 4/6/21 16:34 BRFL-03 ND 20.220.073 0.16
2-Butanone (MEK)3.2 4.0 4/6/21 16:34 BRFJ9.5 2120.33 0.98
Carbon Disulfide ND 1.0 4/6/21 16:34 BRFND23.10.25 0.79
Carbon Tetrachloride ND 0.10 4/6/21 16:34 BRFND20.630.027 0.17
Chlorobenzene ND 0.10 4/6/21 16:34 BRFND20.460.024 0.11
Chloroethane ND 0.10 4/6/21 16:34 BRFND20.260.098 0.26
Chloroform 0.72 0.10 4/6/21 16:34 BRF3.5 20.490.024 0.12
Chloromethane ND 0.20 4/6/21 16:34 BRFND20.410.076 0.16
Cyclohexane ND 0.10 4/6/21 16:34 BRFND20.340.049 0.17
Dibromochloromethane ND 0.10 4/6/21 16:34 BRFND20.850.034 0.29
1,2-Dibromoethane (EDB)ND 0.10 4/6/21 16:34 BRFND20.770.026 0.20
1,2-Dichlorobenzene ND 0.10 4/6/21 16:34 BRFND20.600.037 0.22
1,3-Dichlorobenzene ND 0.10 4/6/21 16:34 BRFND20.600.036 0.22
1,4-Dichlorobenzene ND 0.10 4/6/21 16:34 BRFND20.600.022 0.13
Dichlorodifluoromethane (Freon 12)ND 0.10 4/6/21 16:34 BRFND20.490.031 0.16
1,1-Dichloroethane ND 0.10 4/6/21 16:34 BRFND20.400.031 0.13
1,2-Dichloroethane ND 0.10 4/6/21 16:34 BRFND20.400.037 0.15
1,1-Dichloroethylene ND 0.10 4/6/21 16:34 BRFND20.400.054 0.22
cis-1,2-Dichloroethylene ND 0.10 4/6/21 16:34 BRFND20.400.034 0.13
trans-1,2-Dichloroethylene ND 0.10 4/6/21 16:34 BRFND20.400.030 0.12
1,2-Dichloropropane ND 0.10 4/6/21 16:34 BRFND20.460.036 0.17
cis-1,3-Dichloropropene ND 0.10 4/6/21 16:34 BRFND20.450.046 0.21
trans-1,3-Dichloropropene ND 0.10 4/6/21 16:34 BRFND20.450.034 0.15
1,2-Dichloro-1,1,2,2-tetrafluoroethane (Freon 114)ND 0.10 4/6/21 16:34 BRFND20.700.056 0.39
1,4-Dioxane ND 1.0 4/6/21 16:34 BRFND23.60.28 1.0
Ethanol 4.8 4.0 4/6/21 16:34 BRF9.1 27.51.2 2.3
Ethyl Acetate ND 1.0 4/6/21 16:34 BRFND23.60.59 2.1
Ethylbenzene 1.2 0.10 4/6/21 16:34 BRF5.0 20.430.021 0.090
4-Ethyltoluene ND 0.10 4/6/21 16:34 BRFND20.490.031 0.15
Heptane 8.9 0.10 4/6/21 16:34 BRF37 20.410.043 0.18
Hexachlorobutadiene ND 0.10 4/6/21 16:34 BRFND21.10.044 0.47
Hexane 7.2 4.0 4/6/21 16:34 BRF25 2140.18 0.64
2-Hexanone (MBK)ND 0.20 4/6/21 16:34 BRFND20.820.056 0.23
Isopropanol 2.5 4.0 4/6/21 16:34 BRFJ6.1 29.80.92 2.3
Methyl tert-Butyl Ether (MTBE)ND 0.10 4/6/21 16:34 BRFND20.360.040 0.14
Methylene Chloride ND 1.0 4/6/21 16:34 BRFND23.50.23 0.80
4-Methyl-2-pentanone (MIBK)ND 0.10 4/6/21 16:34 BRFND20.410.052 0.21
Naphthalene ND 0.10 4/6/21 16:34 BRFZ-01 ND 20.520.056 0.29
Propene 97 20 4/7/21 7:35 BRFV-05, Z-01 170 10341.7 2.9
Styrene 0.45 0.10 4/6/21 16:34 BRF1.9 20.430.029 0.12
1,1,2,2-Tetrachloroethane ND 0.10 4/6/21 16:34 BRFND20.690.027 0.18
Page 13 of 33
39 Spruce Street * East Longmeadow, MA 01028 * FAX [phone] * TEL. [phone]
ANALYTICAL RESULTS
Project Location: 615 E. Morehead St., Charlotte, N
Date Received: 3/30/2021
Work Order: 21D0064Sample Description/Location:
Field Sample #: 2021-SV-05
Sample ID: 21D0064-05
Sample Matrix: Soil Gas
Initial Vacuum(in Hg): -30
Final Vacuum(in Hg): -4
Receipt Vacuum(in Hg): -5.9
Sampled: 3/26/2021 15:29
Canister ID: 2102
Flow Controller ID: 4230
Sub Description/Location:
Canister Size: 1 liter
Flow Controller Type: Fixed-Orifice
Flow Controller Calibration
RPD Pre and Post-Sampling:
Sample Type: 10 min
RLResults AnalystAnalyzedDilutionFlag/QualRLResultsAnalyte
Date/Time
EPA TO-15
ppbv ug/m3
MDL MDL
Tetrachloroethylene 0.11 0.10 4/6/21 16:34 BRF0.72 20.680.033 0.22
Tetrahydrofuran ND 1.0 4/6/21 16:34 BRFND22.90.25 0.73
Toluene 22 0.10 4/6/21 16:34 BRF84 20.380.029 0.11
1,2,4-Trichlorobenzene ND 0.10 4/6/21 16:34 BRFV-34 ND 20.740.061 0.45
1,1,1-Trichloroethane ND 0.10 4/6/21 16:34 BRFND20.550.033 0.18
1,1,2-Trichloroethane ND 0.10 4/6/21 16:34 BRFND20.550.037 0.20
Trichloroethylene ND 0.10 4/6/21 16:34 BRFND20.540.037 0.20
Trichlorofluoromethane (Freon 11)0.30 0.40 4/6/21 16:34 BRFV-06, J 1.7 22.20.076 0.43
1,1,2-Trichloro-1,2,2-trifluoroethane (Freon 113)ND 0.40 4/6/21 16:34 BRFND23.10.075 0.58
1,2,4-Trimethylbenzene 0.48 0.10 4/6/21 16:34 BRF2.4 20.490.023 0.11
1,3,5-Trimethylbenzene 0.13 0.10 4/6/21 16:34 BRF0.64 20.490.026 0.13
Vinyl Acetate ND 2.0 4/6/21 16:34 BRFND27.00.28 0.99
Vinyl Chloride ND 0.10 4/6/21 16:34 BRFND20.260.056 0.14
m&p-Xylene 3.0 0.20 4/6/21 16:34 BRF13 20.870.035 0.15
o-Xylene 1.3 0.10 4/6/21 16:34 BRF5.5 20.430.027 0.12
Surrogates % Recovery % REC Limits
4-Bromofluorobenzene (1)110 4/7/21 7:3570-130
4-Bromofluorobenzene (1)113 4/6/21 16:3470-130
Page 14 of 33
39 Spruce Street * East Longmeadow, MA 01028 * FAX [phone] * TEL. [phone]
ANALYTICAL RESULTS
Project Location: 615 E. Morehead St., Charlotte, N
Date Received: 3/30/2021
Work Order: 21D0064Sample Description/Location:
Field Sample #: 2021-DUP-01
Sample ID: 21D0064-06
Sample Matrix: Soil Gas
Initial Vacuum(in Hg): -26.5
Final Vacuum(in Hg): -4
Receipt Vacuum(in Hg): -5.8
Sampled: 3/26/2021 14:10
Canister ID: 2249
Flow Controller ID: 4149
Sub Description/Location:
Canister Size: 1 liter
Flow Controller Type: Fixed-Orifice
Flow Controller Calibration
RPD Pre and Post-Sampling:
Sample Type: 10 min
RLResults AnalystAnalyzedDilutionFlag/QualRLResultsAnalyte
Date/Time
EPA TO-15
ppbv ug/m3
MDL MDL
Acetone 14 4.0 4/6/21 17:01 BRF33 29.52.4 5.7
Benzene 1.8 0.10 4/6/21 17:01 BRF5.6 20.320.029 0.093
Benzyl chloride ND 0.10 4/6/21 17:01 BRFND20.520.045 0.23
Bromodichloromethane ND 0.10 4/6/21 17:01 BRFND20.670.028 0.19
Bromoform ND 0.10 4/6/21 17:01 BRFND21.00.034 0.36
Bromomethane ND 0.10 4/6/21 17:01 BRFND20.390.053 0.21
1,3-Butadiene ND 0.10 4/6/21 17:01 BRFL-03 ND 20.220.073 0.16
2-Butanone (MEK)2.1 4.0 4/6/21 17:01 BRFJ6.3 2120.33 0.98
Carbon Disulfide ND 1.0 4/6/21 17:01 BRFND23.10.25 0.79
Carbon Tetrachloride ND 0.10 4/6/21 17:01 BRFND20.630.027 0.17
Chlorobenzene ND 0.10 4/6/21 17:01 BRFND20.460.024 0.11
Chloroethane ND 0.10 4/6/21 17:01 BRFND20.260.098 0.26
Chloroform ND 0.10 4/6/21 17:01 BRFND20.490.024 0.12
Chloromethane ND 0.20 4/6/21 17:01 BRFND20.410.076 0.16
Cyclohexane ND 0.10 4/6/21 17:01 BRFND20.340.049 0.17
Dibromochloromethane ND 0.10 4/6/21 17:01 BRFND20.850.034 0.29
1,2-Dibromoethane (EDB)ND 0.10 4/6/21 17:01 BRFND20.770.026 0.20
1,2-Dichlorobenzene ND 0.10 4/6/21 17:01 BRFND20.600.037 0.22
1,3-Dichlorobenzene ND 0.10 4/6/21 17:01 BRFND20.600.036 0.22
1,4-Dichlorobenzene ND 0.10 4/6/21 17:01 BRFND20.600.022 0.13
Dichlorodifluoromethane (Freon 12)ND 0.10 4/6/21 17:01 BRFND20.490.031 0.16
1,1-Dichloroethane ND 0.10 4/6/21 17:01 BRFND20.400.031 0.13
1,2-Dichloroethane ND 0.10 4/6/21 17:01 BRFND20.400.037 0.15
1,1-Dichloroethylene ND 0.10 4/6/21 17:01 BRFND20.400.054 0.22
cis-1,2-Dichloroethylene ND 0.10 4/6/21 17:01 BRFND20.400.034 0.13
trans-1,2-Dichloroethylene ND 0.10 4/6/21 17:01 BRFND20.400.030 0.12
1,2-Dichloropropane ND 0.10 4/6/21 17:01 BRFND20.460.036 0.17
cis-1,3-Dichloropropene ND 0.10 4/6/21 17:01 BRFND20.450.046 0.21
trans-1,3-Dichloropropene ND 0.10 4/6/21 17:01 BRFND20.450.034 0.15
1,2-Dichloro-1,1,2,2-tetrafluoroethane (Freon 114)ND 0.10 4/6/21 17:01 BRFND20.700.056 0.39
1,4-Dioxane ND 1.0 4/6/21 17:01 BRFND23.60.28 1.0
Ethanol 9.5 4.0 4/6/21 17:01 BRF18 27.51.2 2.3
Ethyl Acetate ND 1.0 4/6/21 17:01 BRFND23.60.59 2.1
Ethylbenzene 0.78 0.10 4/6/21 17:01 BRF3.4 20.430.021 0.090
4-Ethyltoluene ND 0.10 4/6/21 17:01 BRFND20.490.031 0.15
Heptane 10 0.10 4/6/21 17:01 BRF41 20.410.043 0.18
Hexachlorobutadiene ND 0.10 4/6/21 17:01 BRFND21.10.044 0.47
Hexane ND 4.0 4/6/21 17:01 BRFND2140.18 0.64
2-Hexanone (MBK)ND 0.20 4/6/21 17:01 BRFND20.820.056 0.23
Isopropanol 2.9 4.0 4/6/21 17:01 BRFJ7.2 29.80.92 2.3
Methyl tert-Butyl Ether (MTBE)ND 0.10 4/6/21 17:01 BRFND20.360.040 0.14
Methylene Chloride ND 1.0 4/6/21 17:01 BRFND23.50.23 0.80
4-Methyl-2-pentanone (MIBK)ND 0.10 4/6/21 17:01 BRFND20.410.052 0.21
Naphthalene ND 0.10 4/6/21 17:01 BRFZ-01 ND 20.520.056 0.29
Propene ND 4.0 4/6/21 17:01 BRFV-05, Z-01 ND 26.90.34 0.58
Styrene ND 0.10 4/6/21 17:01 BRFND20.430.029 0.12
1,1,2,2-Tetrachloroethane ND 0.10 4/6/21 17:01 BRFND20.690.027 0.18
Page 15 of 33
39 Spruce Street * East Longmeadow, MA 01028 * FAX [phone] * TEL. [phone]
ANALYTICAL RESULTS
Project Location: 615 E. Morehead St., Charlotte, N
Date Received: 3/30/2021
Work Order: 21D0064Sample Description/Location:
Field Sample #: 2021-DUP-01
Sample ID: 21D0064-06
Sample Matrix: Soil Gas
Initial Vacuum(in Hg): -26.5
Final Vacuum(in Hg): -4
Receipt Vacuum(in Hg): -5.8
Sampled: 3/26/2021 14:10
Canister ID: 2249
Flow Controller ID: 4149
Sub Description/Location:
Canister Size: 1 liter
Flow Controller Type: Fixed-Orifice
Flow Controller Calibration
RPD Pre and Post-Sampling:
Sample Type: 10 min
RLResults AnalystAnalyzedDilutionFlag/QualRLResultsAnalyte
Date/Time
EPA TO-15
ppbv ug/m3
MDL MDL
Tetrachloroethylene 0.19 0.10 4/6/21 17:01 BRF1.3 20.680.033 0.22
Tetrahydrofuran ND 1.0 4/6/21 17:01 BRFND22.90.25 0.73
Toluene 30 0.10 4/6/21 17:01 BRF110 20.380.029 0.11
1,2,4-Trichlorobenzene ND 0.10 4/6/21 17:01 BRFV-34 ND 20.740.061 0.45
1,1,1-Trichloroethane ND 0.10 4/6/21 17:01 BRFND20.550.033 0.18
1,1,2-Trichloroethane ND 0.10 4/6/21 17:01 BRFND20.550.037 0.20
Trichloroethylene ND 0.10 4/6/21 17:01 BRFND20.540.037 0.20
Trichlorofluoromethane (Freon 11)0.50 0.40 4/6/21 17:01 BRFV-06 2.8 22.20.076 0.43
1,1,2-Trichloro-1,2,2-trifluoroethane (Freon 113)ND 0.40 4/6/21 17:01 BRFND23.10.075 0.58
1,2,4-Trimethylbenzene ND 0.10 4/6/21 17:01 BRFND20.490.023 0.11
1,3,5-Trimethylbenzene ND 0.10 4/6/21 17:01 BRFND20.490.026 0.13
Vinyl Acetate ND 2.0 4/6/21 17:01 BRFND27.00.28 0.99
Vinyl Chloride ND 0.10 4/6/21 17:01 BRFND20.260.056 0.14
m&p-Xylene 2.5 0.20 4/6/21 17:01 BRF11 20.870.035 0.15
o-Xylene 0.97 0.10 4/6/21 17:01 BRF4.2 20.430.027 0.12
Surrogates % Recovery % REC Limits
4-Bromofluorobenzene (1)114 4/6/21 17:0170-130
Page 16 of 33
39 Spruce Street * East Longmeadow, MA 01028 * FAX [phone] * TEL. [phone]
Sample Extraction Data
Prep Method: TO-15 Prep-EPA TO-15
Lab Number [Field ID]Batch Date
Pressure
Dilution
Pre
Dilution
Pre-Dil
Initial
mL
Pre-Dil
Final
mL
Default
Injection
mL
Actual
Injection
mL
21D0064-01 [2021-SV-01]B279601 1.5 1 N/A 1000 200 150 04/06/21
21D0064-02 [2021-SV-02]B279601 1.5 1 N/A 1000 200 150 04/06/21
21D0064-03 [2021-SV-03]B279601 1.5 1 N/A 1000 200 150 04/06/21
21D0064-04 [2021-SV-04]B279601 1.5 1 N/A 1000 200 150 04/06/21
21D0064-05 [2021-SV-05]B279601 1.5 1 N/A 1000 200 150 04/06/21
21D0064-05RE1 [2021-SV-05]B279601 1.5 1 N/A 1000 200 30 04/06/21
21D0064-06 [2021-DUP-01]B279601 1.5 1 N/A 1000 200 150 04/06/21
Page 17 of 33
39 Spruce Street * East Longmeadow, MA 01028 * FAX [phone] * TEL. [phone]
ug/m3 Spike Level
Result
Source
%REC
%REC
Limits RPD
RPD
Limit Flag/Qual Analyte
Air Toxics by EPA Compendium Methods - Quality Control
QUALITY CONTROL
RL
ppbv
Results RL Results ppbv
Batch B279601 - TO-15 Prep
Blank (B279601-BLK1)Prepared & Analyzed: 04/06/21
0.80NDAcetone
0.020NDBenzene
0.020NDBenzyl chloride
0.020NDBromodichloromethane
0.020NDBromoform
0.020NDBromomethane
0.020 L-03ND1,3-Butadiene
0.80ND2-Butanone (MEK)
0.20NDCarbon Disulfide
0.020NDCarbon Tetrachloride
0.020NDChlorobenzene
0.020NDChloroethane
0.020NDChloroform
0.040NDChloromethane
0.020NDCyclohexane
0.020NDDibromochloromethane
0.020ND1,2-Dibromoethane (EDB)
0.020ND1,2-Dichlorobenzene
0.020ND1,3-Dichlorobenzene
0.020ND1,4-Dichlorobenzene
0.020NDDichlorodifluoromethane (Freon 12)
0.020ND1,1-Dichloroethane
0.020ND1,2-Dichloroethane
0.020ND1,1-Dichloroethylene
0.020NDcis-1,2-Dichloroethylene
0.020NDtrans-1,2-Dichloroethylene
0.020ND1,2-Dichloropropane
0.020NDcis-1,3-Dichloropropene
0.020NDtrans-1,3-Dichloropropene
0.020ND1,2-Dichloro-1,1,2,2-tetrafluoroethane
(Freon 114)
0.20ND1,4-Dioxane
0.80NDEthanol
0.20NDEthyl Acetate
0.020NDEthylbenzene
0.020ND4-Ethyltoluene
0.020NDHeptane
0.020NDHexachlorobutadiene
0.80NDHexane
0.020ND2-Hexanone (MBK)
0.80NDIsopropanol
0.020NDMethyl tert-Butyl Ether (MTBE)
0.20NDMethylene Chloride
0.020ND4-Methyl-2-pentanone (MIBK)
0.020 Z-01NDNaphthalene
0.80 V-05, Z-01NDPropene
0.020NDStyrene
Page 18 of 33
39 Spruce Street * East Longmeadow, MA 01028 * FAX [phone] * TEL. [phone]
ug/m3 Spike Level
Result
Source
%REC
%REC
Limits RPD
RPD
Limit Flag/Qual Analyte
Air Toxics by EPA Compendium Methods - Quality Control
QUALITY CONTROL
RL
ppbv
Results RL Results ppbv
Batch B279601 - TO-15 Prep
Blank (B279601-BLK1)Prepared & Analyzed: 04/06/21
0.020ND1,1,2,2-Tetrachloroethane
0.020NDTetrachloroethylene
0.20NDTetrahydrofuran
0.020NDToluene
0.020 V-34ND1,2,4-Trichlorobenzene
0.020ND1,1,1-Trichloroethane
0.020ND1,1,2-Trichloroethane
0.020NDTrichloroethylene
0.080NDTrichlorofluoromethane (Freon 11)
0.080ND1,1,2-Trichloro-1,2,2-trifluoroethane (Freon
113)
0.020ND1,2,4-Trimethylbenzene
0.020ND1,3,5-Trimethylbenzene
0.40NDVinyl Acetate
0.020NDVinyl Chloride
0.040NDm&p-Xylene
0.020NDo-Xylene
8.00 70-130Surrogate: 4-Bromofluorobenzene (1)1108.78
LCS (B279601-BS1)Prepared & Analyzed: 04/06/21
5.00 70-1301105.52Acetone
5.00 70-13079.33.96Benzene
5.00 70-13077.83.89Benzyl chloride
5.00 70-13093.74.68Bromodichloromethane
5.00 70-13096.84.84Bromoform
5.00 70-13078.43.92Bromomethane
5.00 L-0370-13065.83.291,3-Butadiene *
5.00 70-13087.84.392-Butanone (MEK)
5.00 70-1301125.58Carbon Disulfide
5.00 70-13097.44.87Carbon Tetrachloride
5.00 70-13079.43.97Chlorobenzene
5.00 70-13072.03.60Chloroethane
5.00 70-13087.44.37Chloroform
5.00 70-13073.03.65Chloromethane
5.00 70-13079.33.97Cyclohexane
5.00 70-13087.94.40Dibromochloromethane
5.00 70-13085.74.281,2-Dibromoethane (EDB)
5.00 70-13088.54.421,2-Dichlorobenzene
5.00 70-13090.04.501,3-Dichlorobenzene
5.00 70-13087.64.381,4-Dichlorobenzene
5.00 70-13090.14.50Dichlorodifluoromethane (Freon 12)
5.00 70-13074.63.731,1-Dichloroethane
5.00 70-13098.54.931,2-Dichloroethane
5.00 V-2070-1301226.091,1-Dichloroethylene
5.00 70-13081.34.06cis-1,2-Dichloroethylene
5.00 70-13077.73.88trans-1,2-Dichloroethylene
5.00 70-13073.53.681,2-Dichloropropane
Page 19 of 33
39 Spruce Street * East Longmeadow, MA 01028 * FAX [phone] * TEL. [phone]
ug/m3 Spike Level
Result
Source
%REC
%REC
Limits RPD
RPD
Limit Flag/Qual Analyte
Air Toxics by EPA Compendium Methods - Quality Control
QUALITY CONTROL
RL
ppbv
Results RL Results ppbv
Batch B279601 - TO-15 Prep
LCS (B279601-BS1)Prepared & Analyzed: 04/06/21
5.00 70-13079.33.96cis-1,3-Dichloropropene
5.00 70-13085.14.25trans-1,3-Dichloropropene
5.00 70-13083.14.161,2-Dichloro-1,1,2,2-tetrafluoroethane
(Freon 114)
5.00 70-13083.24.161,4-Dioxane
5.00 70-13091.24.56Ethanol
5.00 70-13073.83.69Ethyl Acetate
5.00 70-13083.64.18Ethylbenzene
5.00 70-13085.94.294-Ethyltoluene
5.00 70-13074.53.73Heptane
5.00 70-13088.44.42Hexachlorobutadiene
5.00 70-13094.34.72Hexane
5.00 70-13098.74.942-Hexanone (MBK)
5.00 V-2070-1301125.58Isopropanol
5.00 70-13081.94.09Methyl tert-Butyl Ether (MTBE)
5.00 V-2070-1301286.38Methylene Chloride
5.00 70-13080.64.034-Methyl-2-pentanone (MIBK)
5.00 Z-0170-13065.03.25Naphthalene *
5.00 V-05, Z-0170-13057.62.88Propene *
5.00 70-13082.34.12Styrene
5.00 70-13078.13.901,1,2,2-Tetrachloroethane
5.00 70-13091.34.57Tetrachloroethylene
5.00 70-13082.74.14Tetrahydrofuran
5.00 70-13079.13.96Toluene
5.00 V-3470-13075.13.751,2,4-Trichlorobenzene
5.00 70-13091.44.571,1,1-Trichloroethane
5.00 70-13079.53.981,1,2-Trichloroethane
5.00 70-13089.34.46Trichloroethylene
5.00 V-0670-1301266.30Trichlorofluoromethane (Freon 11)
5.00 V-2070-1301226.121,1,2-Trichloro-1,2,2-trifluoroethane (Freon
113)
5.00 70-13085.04.251,2,4-Trimethylbenzene
5.00 70-13083.54.181,3,5-Trimethylbenzene
5.00 70-13083.34.16Vinyl Acetate
5.00 70-13073.13.66Vinyl Chloride
10.0 70-13087.18.71m&p-Xylene
5.00 70-13083.34.17o-Xylene
8.00 70-130Surrogate: 4-Bromofluorobenzene (1)1159.22
Page 20 of 33
39 Spruce Street * East Longmeadow, MA 01028 * FAX [phone] * TEL. [phone]
ug/m3 Spike Level
Result
Source
%REC
%REC
Limits RPD
RPD
Limit Flag/Qual Analyte
Air Toxics by EPA Compendium Methods - Quality Control
QUALITY CONTROL
RL
ppbv
Results RL Results ppbv
Batch B279601 - TO-15 Prep
Duplicate (B279601-DUP1)Prepared & Analyzed: 04/06/21 Source: 21D0064-01
4.0 6.3 256.325.9Acetone 9.514
0.10 0.18 253.350.18Benzene 0.320.56
0.10 ND 25NDBenzyl chloride 0.52ND
0.10 ND 25NDBromodichloromethane0.67ND
0.10 ND 25NDBromoform1.0ND
0.10 ND 25NDBromomethane0.39ND
0.10 ND 25 L-03ND1,3-Butadiene 0.22ND
4.0 ND 25ND2-Butanone (MEK)12ND
1.0 ND 25NDCarbon Disulfide 3.1ND
0.10 ND 25NDCarbon Tetrachloride 0.63ND
0.10 ND 25NDChlorobenzene0.46ND
0.10 ND 25NDChloroethane0.26ND
0.10 0.058 25 J0.000.058Chloroform 0.490.28
0.20 ND 25NDChloromethane0.41ND
0.10 ND 25NDCyclohexane0.34ND
0.10 ND 25NDDibromochloromethane0.85ND
0.10 ND 25ND1,2-Dibromoethane (EDB)0.77ND
0.10 ND 25ND1,2-Dichlorobenzene 0.60ND
0.10 ND 25ND1,3-Dichlorobenzene 0.60ND
0.10 ND 25ND1,4-Dichlorobenzene 0.60ND
0.10 ND 25NDDichlorodifluoromethane (Freon 12)0.49ND
0.10 ND 25ND1,1-Dichloroethane 0.40ND
0.10 ND 25ND1,2-Dichloroethane 0.40ND
0.10 ND 25ND1,1-Dichloroethylene 0.40ND
0.10 ND 25NDcis-1,2-Dichloroethylene 0.40ND
0.10 ND 25NDtrans-1,2-Dichloroethylene 0.40ND
0.10 ND 25ND1,2-Dichloropropane 0.46ND
0.10 ND 25NDcis-1,3-Dichloropropene 0.45ND
0.10 ND 25NDtrans-1,3-Dichloropropene 0.45ND
0.10 ND 25ND1,2-Dichloro-1,1,2,2-tetrafluoroethane
(Freon 114)
0.70ND
1.0 ND 25ND1,4-Dioxane 3.6ND
4.0 2.6 25 J3.312.7Ethanol 7.55.1
1.0 ND 25NDEthyl Acetate 3.6ND
0.10 0.17 253.470.18Ethylbenzene 0.430.76
0.10 ND 25ND4-Ethyltoluene 0.49ND
0.10 ND 25NDHeptane0.41ND
0.10 ND 25NDHexachlorobutadiene1.1ND
4.0 ND 25NDHexane14ND
0.10 ND 25ND2-Hexanone (MBK)0.41ND
4.0 ND 25NDIsopropanol9.8ND
0.10 ND 25NDMethyl tert-Butyl Ether (MTBE)0.36ND
1.0 ND 25NDMethylene Chloride 3.5ND
0.10 ND 25ND4-Methyl-2-pentanone (MIBK)0.41ND
0.10 ND 25 Z-01NDNaphthalene0.52ND
4.0 ND 25 V-05, Z-01NDPropene6.9ND
0.10 ND 25NDStyrene0.43ND
Page 21 of 33
39 Spruce Street * East Longmeadow, MA 01028 * FAX [phone] * TEL. [phone]
ug/m3 Spike Level
Result
Source
%REC
%REC
Limits RPD
RPD
Limit Flag/Qual Analyte
Air Toxics by EPA Compendium Methods - Quality Control
QUALITY CONTROL
RL
ppbv
Results RL Results ppbv
Batch B279601 - TO-15 Prep
Duplicate (B279601-DUP1)Prepared & Analyzed: 04/06/21 Source: 21D0064-01
0.10 ND 25ND1,1,2,2-Tetrachloroethane 0.69ND
0.10 0.11 251.830.11Tetrachloroethylene 0.680.73
1.0 ND 25NDTetrahydrofuran2.9ND
0.10 51 252.5650Toluene0.38190
0.10 ND 25 V-34ND1,2,4-Trichlorobenzene 0.74ND
0.10 ND 25ND1,1,1-Trichloroethane 0.55ND
0.10 ND 25ND1,1,2-Trichloroethane 0.55ND
0.10 ND 25NDTrichloroethylene0.54ND
0.40 0.58 25 V-0612.40.52Trichlorofluoromethane (Freon 11)2.22.9
0.40 ND 25ND1,1,2-Trichloro-1,2,2-trifluoroethane (Freon
113)
3.1ND
0.10 ND 25ND1,2,4-Trimethylbenzene 0.49ND
0.10 ND 25ND1,3,5-Trimethylbenzene 0.49ND
2.0 ND 25NDVinyl Acetate 7.0ND
0.10 ND 25NDVinyl Chloride 0.26ND
0.20 0.64 253.190.62m&p-Xylene 0.872.7
0.10 0.19 257.490.18o-Xylene 0.430.78
8.00 70-130Surrogate: 4-Bromofluorobenzene (1)1128.99
Page 22 of 33
39 Spruce Street * East Longmeadow, MA 01028 * FAX [phone] * TEL. [phone]
Note: Blank Subtraction is not performed unless otherwise noted
*QC result is outside of established limits.
Wide recovery limits established for difficult compound.
Wide RPD limits established for difficult compound.
#Data exceeded client recommended or regulatory level
RL Reporting Limit
MDL Method Detection Limit
RPD Relative Percent Difference
LCS Laboratory Control Sample
Laboratory Control SampleLCS Dup Duplicate Laboratory Control Sample
MS Matrix Spike Sample
MS Dup Duplicate Matrix Spike Sample
REC Recovery
QC Quality Control
ppbv Parts per billion volume
EPA United States Environmental Protection Agency
Percent Recovery% REC
ND Not Detected
Percent recoveries and relative percent differences (RPDs) are determined by the software using values in the
calculation which have not been rounded.
Not ApplicableN/A
DL Detection Limit
Not CalculatedNC
LFB/LCS Lab Fortified Blank/Lab Control Sample
ORP Oxidation-Reduction Potential
Not dry weight correctedwet
Percent weight% wt
KilogramKg
Gramg
Milligrammg
Microgramg
Nanogramng
LiterL
MillilitermL
Microliter L
Cubic Meterm3
Extractable Petroleum HydrocarbonsEPH
Volatile Petroleum HydrocarbonsVPH
Air Petroleum HydrocarbonsAPH
Flame Ionization DetectorFID
Photo Ionization DetectorPID
FLAG/QUALIFIER SUMMARY
Detected but below the Reporting Limit (lowest calibration standard); therefore, result is an estimated
concentration (CLP J-Flag).
J
Laboratory fortified blank/laboratory control sample recovery is outside of control limits. Reported value for this
compound is likely to be biased on the low side.
L-03
Continuing calibration verification (CCV) did not meet method specifications and was biased on the low side for
this compound.
V-05
Continuing calibration verification (CCV) did not meet method specifications and was biased on the high side for
this compound.
V-06
Continuing calibration verification (CCV) did not meet method specifications and was biased on the high side.
Data validation is not affected since sample result was "not detected" for this compound.
V-20
Initial calibration verification (ICV) did not meet method specifications and was biased on the low side for this
compound. Reported result is estimated.
V-34
Compound fails the method requirement of 70-130% recovery for the LCS. Is classified by the lab as a difficult
compound and passes the in house limits of 50-150%.
Z-01
Page 23 of 33
39 Spruce Street * East Longmeadow, MA 01028 * FAX [phone] * TEL. [phone]
ANALYST
Thomas P. HniteckiTPH
Rebecca FaustRLF
Raisa A. PetraitisRAP
PDF Management StationSTATION
Kerry K. McGeeKKM
Brittany R. FiskBRF
Page 24 of 33
39 Spruce Street * East Longmeadow, MA 01028 * FAX [phone] * TEL. [phone]
INTERNAL STANDARD AREA AND RT SUMMARY
EPA TO-15
RTResponseInternal Standard Area %RT DiffResponse
Reference
RT
Reference Area %
Limits
RT Diff
Limit Q
Initial Cal Check (S052381-ICV1 )Lab File ID: J2025821.D Analyzed: 09/14/20 23:22
Bromochloromethane (1)159501 2.873 155833 2.873 60 - 140102 0.0000 +/-0.50
1,4-Difluorobenzene (1)756714 3.475 745760 3.475 60 - 140101 0.0000 +/-0.50
Chlorobenzene-d5 (1)686740 5.06 671608 5.057 60 - 140102 0.0030 +/-0.50
INTERNAL STANDARD AREA AND RT SUMMARY
EPA TO-15
RTResponseInternal Standard Area %RT DiffResponse
Reference
RT
Reference Area %
Limits
RT Diff
Limit Q
Calibration Check (S058519-CCV1 )Lab File ID: J2109604.D Analyzed: 04/06/21 08:33
Bromochloromethane (1)156243 2.87 155833 2.873 60 - 140100 -0.0030 +/-0.50
1,4-Difluorobenzene (1)702634 3.475 745760 3.475 60 - 14094 0.0000 +/-0.50
Chlorobenzene-d5 (1)678814 5.057 671608 5.057 60 - 140101 0.0000 +/-0.50
LCS (B279601-BS1 )Lab File ID: J2109605.D Analyzed: 04/06/21 08:58
Bromochloromethane (1)159718 2.873 156243 2.87 60 - 140102 0.0030 +/-0.50
1,4-Difluorobenzene (1)728674 3.475 702634 3.475 60 - 140104 0.0000 +/-0.50
Chlorobenzene-d5 (1)675371 5.057 678814 5.057 60 - 14099 0.0000 +/-0.50
Blank (B279601-BLK1 )Lab File ID: J2109612.D Analyzed: 04/06/21 12:11
Bromochloromethane (1)157919 2.86 156243 2.87 60 - 140101 -0.0100 +/-0.50
1,4-Difluorobenzene (1)721110 3.468 702634 3.475 60 - 140103 -0.0070 +/-0.50
Chlorobenzene-d5 (1)639012 5.053 678814 5.057 60 - 14094 -0.0040 +/-0.50
2021-SV-01 (21D0064-01 )Lab File ID: J2109613.D Analyzed: 04/06/21 14:22
Bromochloromethane (1)156141 2.866 156243 2.87 60 - 140100 -0.0040 +/-0.50
1,4-Difluorobenzene (1)741056 3.472 702634 3.475 60 - 140105 -0.0030 +/-0.50
Chlorobenzene-d5 (1)666653 5.057 678814 5.057 60 - 14098 0.0000 +/-0.50
Duplicate (B279601-DUP1 )Lab File ID: J2109614.D Analyzed: 04/06/21 14:49
Bromochloromethane (1)169335 2.863 156243 2.87 60 - 140108 -0.0070 +/-0.50
1,4-Difluorobenzene (1)746039 3.468 702634 3.475 60 - 140106 -0.0070 +/-0.50
Chlorobenzene-d5 (1)664368 5.053 678814 5.057 60 - 14098 -0.0040 +/-0.50
2021-SV-02 (21D0064-02 )Lab File ID: J2109615.D Analyzed: 04/06/21 15:15
Bromochloromethane (1)166260 2.866 156243 2.87 60 - 140106 -0.0040 +/-0.50
1,4-Difluorobenzene (1)762977 3.471 702634 3.475 60 - 140109 -0.0040 +/-0.50
Chlorobenzene-d5 (1)681378 5.057 678814 5.057 60 - 140100 0.0000 +/-0.50
2021-SV-03 (21D0064-03 )Lab File ID: J2109616.D Analyzed: 04/06/21 15:41
Bromochloromethane (1)165432 2.863 156243 2.87 60 - 140106 -0.0070 +/-0.50
1,4-Difluorobenzene (1)758538 3.471 702634 3.475 60 - 140108 -0.0040 +/-0.50
Chlorobenzene-d5 (1)684183 5.054 678814 5.057 60 - 140101 -0.0030 +/-0.50
Page 25 of 33
39 Spruce Street * East Longmeadow, MA 01028 * FAX [phone] * TEL. [phone]
INTERNAL STANDARD AREA AND RT SUMMARY
EPA TO-15
RTResponseInternal Standard Area %RT DiffResponse
Reference
RT
Reference Area %
Limits
RT Diff
Limit Q
2021-SV-04 (21D0064-04 )Lab File ID: J2109617.D Analyzed: 04/06/21 16:08
Bromochloromethane (1)167816 2.87 156243 2.87 60 - 140107 0.0000 +/-0.50
1,4-Difluorobenzene (1)774788 3.475 702634 3.475 60 - 140110 0.0000 +/-0.50
Chlorobenzene-d5 (1)699490 5.057 678814 5.057 60 - 140103 0.0000 +/-0.50
2021-SV-05 (21D0064-05 )Lab File ID: J2109618.D Analyzed: 04/06/21 16:34
Bromochloromethane (1)168449 2.866 156243 2.87 60 - 140108 -0.0040 +/-0.50
1,4-Difluorobenzene (1)778103 3.472 702634 3.475 60 - 140111 -0.0030 +/-0.50
Chlorobenzene-d5 (1)703495 5.054 678814 5.057 60 - 140104 -0.0030 +/-0.50
2021-DUP-01 (21D0064-06 )Lab File ID: J2109619.D Analyzed: 04/06/21 17:01
Bromochloromethane (1)170489 2.87 156243 2.87 60 - 140109 0.0000 +/-0.50
1,4-Difluorobenzene (1)792510 3.475 702634 3.475 60 - 140113 0.0000 +/-0.50
Chlorobenzene-d5 (1)710915 5.057 678814 5.057 60 - 140105 0.0000 +/-0.50
2021-SV-05 (21D0064-05RE1 )Lab File ID: J2109630.D Analyzed: 04/07/21 07:35
Bromochloromethane (1)163542 2.863 156243 2.87 60 - 140105 -0.0070 +/-0.50
1,4-Difluorobenzene (1)739452 3.468 702634 3.475 60 - 140105 -0.0070 +/-0.50
Chlorobenzene-d5 (1)656978 5.054 678814 5.057 60 - 14097 -0.0030 +/-0.50
Page 26 of 33
39 Spruce Street * East Longmeadow, MA 01028 * FAX [phone] * TEL. [phone]
CONTINUING CALIBRATION CHECK
EPA TO-15
S058519-CCV1
COMPOUND TYPE CCV MIN (#)CCV LIMIT (#)CCV ICAL
CONC. (ppbv)% DIFF / DRIFTRESPONSE FACTOR
STD
1.096415A 20.4 306.02 0.91031545.00Acetone
0.5909535A -10.5 304.47 0.66060255.00Benzene
0.5990424A 0.4 305.02 0.59657625.00Benzyl chloride
0.4909913A 8.2 305.41 0.45379535.00Bromodichloromethane
0.7728821A 17.1 305.85 0.66009985.00Bromoform
0.8703776A -13.1 304.35 1.0011775.00Bromomethane
0.4635241A -25.8 303.71 0.62469025.001,3-Butadiene
1.246039A -4.7 304.76 1.307495.002-Butanone (MEK)
2.954884A 19.8 305.99 2.4664695.00Carbon Disulfide
0.5703954A 12.6 305.63 0.50647525.00Carbon Tetrachloride
0.6973857A -10.0 304.50 0.77512965.00Chlorobenzene
0.3869153A -22.6 303.87 0.50014425.00Chloroethane
1.959153A -3.0 304.85 2.0187795.00Chloroform
0.5066672A -17.5 304.12 0.61414915.00Chloromethane
0.2525514A -11.4 304.43 0.28493445.00Cyclohexane
0.6412879A -0.3 304.99 0.64296155.00Dibromochloromethane
0.4674671A -3.4 304.83 0.48410195.001,2-Dibromoethane (EDB)
0.742561A 8.5 305.42 0.68463135.001,2-Dichlorobenzene
0.7880285A 9.2 305.46 0.72159925.001,3-Dichlorobenzene
0.7676777A 7.6 305.38 0.71348965.001,4-Dichlorobenzene
2.494955A -0.5 304.98 2.5070915.00Dichlorodifluoromethane (Freon 12)
1.293083A -16.3 304.18 1.5453035.001,1-Dichloroethane
1.173546A 10.8 305.54 1.0588055.001,2-Dichloroethane
1.583001A 36.4 *306.82 1.1602875.001,1-Dichloroethylene
1.011512A -9.2 304.54 1.1142685.00cis-1,2-Dichloroethylene
1.027343A -14.5 304.27 1.2019085.00trans-1,2-Dichloroethylene
0.1807279A -19.0 304.05 0.22311345.001,2-Dichloropropane
0.347563A -4.2 304.79 0.36288985.00cis-1,3-Dichloropropene
0.3023207A -1.1 304.95 0.30554635.00trans-1,3-Dichloropropene
2.545061A -4.0 304.80 2.6500555.001,2-Dichloro-1,1,2,2-tetrafluoroethane (Freon 114)
0.1295423A -7.1 304.65 0.1393875.001,4-Dioxane
0.133126A -21.8 303.91 0.17021655.00Ethanol
0.2013069A -11.7 304.41 0.22801885.00Ethyl Acetate
1.082229A -6.8 304.66 1.1613955.00Ethylbenzene
1.304694A 3.3 305.17 1.2628175.004-Ethyltoluene
0.1426063A -15.5 304.22 0.16884545.00Heptane
0.806826A 16.6 305.83 0.69182945.00Hexachlorobutadiene
0.6755938L 4.2 305.21 0.65316035.00Hexane
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39 Spruce Street * East Longmeadow, MA 01028 * FAX [phone] * TEL. [phone]
CONTINUING CALIBRATION CHECK
EPA TO-15
S058519-CCV1
COMPOUND TYPE CCV MIN (#)CCV LIMIT (#)CCV ICAL
CONC. (ppbv)% DIFF / DRIFTRESPONSE FACTOR
STD
0.3162905A 12.9 305.65 0.2800655.002-Hexanone (MBK)
1.348945A 34.6 *306.73 1.0019815.00Isopropanol
2.31758A -7.8 304.61 2.5125355.00Methyl tert-Butyl Ether (MTBE)
0.9471912A 43.0 *307.15 0.66218265.00Methylene Chloride
0.145102A -5.2 304.74 0.15311145.004-Methyl-2-pentanone (MIBK)
0.9475491A -12.8 304.36 1.0869325.00Naphthalene
0.292703A -36.9 *303.15 0.46417495.00Propene
0.6800402A -3.6 304.82 0.70564885.00Styrene
0.5895294A -7.7 304.62 0.6385835.001,1,2,2-Tetrachloroethane
0.5733977A 3.4 305.17 0.55467945.00Tetrachloroethylene
0.626839A -12.2 304.39 0.71430445.00Tetrahydrofuran
0.8172583A -12.5 304.37 0.93450115.00Toluene
0.4283942A 0.6 305.03 0.42602845.001,2,4-Trichlorobenzene
0.4974334A 10.6 305.53 0.44961335.001,1,1-Trichloroethane
0.2901696A -11.6 304.42 0.32813735.001,1,2-Trichloroethane
0.2993422A 0.5 305.02 0.29794695.00Trichloroethylene
3.449447A 36.0 *306.80 2.5368415.00Trichlorofluoromethane (Freon 11)
2.608757A 33.3 *306.66 1.9577355.001,1,2-Trichloro-1,2,2-trifluoroethane (Freon 113)
1.066326A 3.9 305.19 1.0267445.001,2,4-Trimethylbenzene
1.098589A 1.6 305.08 1.0809785.001,3,5-Trimethylbenzene
1.26611A -9.6 304.52 1.4009655.00Vinyl Acetate
0.7170779A -16.2 304.19 0.85546345.00Vinyl Chloride
0.9118834A -0.7 309.93 0.918504310.0m&p-Xylene
0.8615332A -4.3 304.79 0.8997865.00o-Xylene
* Values outside of QC limits
# Column to be used to flag Response Factor and %Diff/Drift values with an asterisk
Page 28 of 33
39 Spruce Street * East Longmeadow, MA 01028 * FAX [phone] * TEL. [phone]
CertificationsAnalyte
CERTIFICATIONS
Certified Analyses included in this Report
EPA TO-15 in Air
AIHA,NY,ME,NHAcetone
AIHA,FL,NJ,NY,ME,NH,VABenzene
AIHA,FL,NJ,NY,ME,NH,VABenzyl chloride
AIHA,NJ,NY,ME,NH,VABromodichloromethane
AIHA,NJ,NY,ME,NH,VABromoform
AIHA,FL,NJ,NY,ME,NHBromomethane
AIHA,NJ,NY,ME,NH,VA1,3-Butadiene
AIHA,FL,NJ,NY,ME,NH,VA2-Butanone (MEK)
AIHA,NJ,NY,ME,NH,VACarbon Disulfide
AIHA,FL,NJ,NY,ME,NH,VACarbon Tetrachloride
AIHA,FL,NJ,NY,ME,NH,VAChlorobenzene
AIHA,FL,NJ,NY,ME,NH,VAChloroethane
AIHA,FL,NJ,NY,ME,NH,VAChloroform
AIHA,FL,NJ,NY,ME,NH,VAChloromethane
AIHA,NJ,NY,ME,NH,VACyclohexane
AIHA,NY,ME,NHDibromochloromethane
AIHA,NJ,NY,ME,NH1,2-Dibromoethane (EDB)
AIHA,FL,NJ,NY,ME,NH,VA1,2-Dichlorobenzene
AIHA,NJ,NY,ME,NH1,3-Dichlorobenzene
AIHA,FL,NJ,NY,ME,NH,VA1,4-Dichlorobenzene
AIHA,NY,ME,NHDichlorodifluoromethane (Freon 12)
AIHA,FL,NJ,NY,ME,NH,VA1,1-Dichloroethane
AIHA,FL,NJ,NY,ME,NH,VA1,2-Dichloroethane
AIHA,FL,NJ,NY,ME,NH,VA1,1-Dichloroethylene
AIHA,FL,NY,ME,NH,VAcis-1,2-Dichloroethylene
AIHA,NJ,NY,ME,NH,VAtrans-1,2-Dichloroethylene
AIHA,FL,NJ,NY,ME,NH,VA1,2-Dichloropropane
AIHA,FL,NJ,NY,ME,NH,VAcis-1,3-Dichloropropene
AIHA,NY,ME,NHtrans-1,3-Dichloropropene
AIHA,NJ,NY,ME,NH,VA1,2-Dichloro-1,1,2,2-tetrafluoroethane (Freon 114)
AIHA,NJ,NY,ME,NH,VA1,4-Dioxane
AIHAEthanol
AIHAEthyl Acetate
AIHA,FL,NJ,NY,ME,NH,VAEthylbenzene
AIHA,NJ4-Ethyltoluene
AIHA,NJ,NY,ME,NH,VAHeptane
AIHA,NJ,NY,ME,NH,VAHexachlorobutadiene
AIHA,FL,NJ,NY,ME,NH,VAHexane
AIHA2-Hexanone (MBK)
AIHA,NY,ME,NHIsopropanol
AIHA,FL,NJ,NY,ME,NH,VAMethyl tert-Butyl Ether (MTBE)
AIHA,FL,NJ,NY,ME,NH,VAMethylene Chloride
AIHA,FL,NJ,NY,ME,NH4-Methyl-2-pentanone (MIBK)
NY,ME,NHNaphthalene
AIHAPropene
AIHA,FL,NJ,NY,ME,NH,VAStyrene
AIHA,FL,NJ,NY,ME,NH,VA1,1,2,2-Tetrachloroethane
Page 29 of 33
39 Spruce Street * East Longmeadow, MA 01028 * FAX [phone] * TEL. [phone]
CertificationsAnalyte
CERTIFICATIONS
Certified Analyses included in this Report
EPA TO-15 in Air
AIHA,FL,NJ,NY,ME,NH,VATetrachloroethylene
AIHATetrahydrofuran
AIHA,FL,NJ,NY,ME,NH,VAToluene
AIHA,NJ,NY,ME,NH,VA1,2,4-Trichlorobenzene
AIHA,FL,NJ,NY,ME,NH,VA1,1,1-Trichloroethane
AIHA,FL,NJ,NY,ME,NH,VA1,1,2-Trichloroethane
AIHA,FL,NJ,NY,ME,NH,VATrichloroethylene
AIHA,NY,ME,NHTrichlorofluoromethane (Freon 11)
AIHA,NJ,NY,ME,NH,VA1,1,2-Trichloro-1,2,2-trifluoroethane (Freon 113)
AIHA,NJ,NY,ME,NH1,2,4-Trimethylbenzene
AIHA,NJ,NY,ME,NH1,3,5-Trimethylbenzene
AIHA,FL,NJ,NY,ME,NH,VAVinyl Acetate
AIHA,FL,NJ,NY,ME,NH,VAVinyl Chloride
AIHA,FL,NJ,NY,ME,NH,VAm&p-Xylene
AIHA,FL,NJ,NY,ME,NH,VAo-Xylene
Con-Test, a Pace Environmental Laboratory, operates under the following certifications and accreditations:
Code Description Number Expires
100033AIHA-LAP, LLC - ISO17025:2017AIHA 03/1/2022
M-MA100Massachusetts DEPMA 06/30/2021
PH-0165Connecticut Department of Publilc HealthCT 12/31/2022
10899 NELAPNew York State Department of HealthNY 04/1/2022
2516 NELAPNew Hampshire Environmental LabNH-S 02/5/2022
LAO00112Rhode Island Department of HealthRI 12/30/2021
652North Carolina Div. of Water QualityNC 12/31/2021
MA007 NELAPNew Jersey DEPNJ 06/30/2021
E871027 NELAPFlorida Department of HealthFL 06/30/2021
LL720741Vermont Department of Health Lead LaboratoryVT 07/30/2021
MA00100State of MaineME 06/9/2021
460217Commonwealth of VirginiaVA 12/14/2021
2557 NELAPNew Hampshire Environmental LabNH-P 09/6/2021
VT-255716Vermont Department of Health Drinking WaterVT-DW 06/12/2021
25703North Carolina Department of HealthNC-DW 07/31/2021
68-05812Commonwealth of Pennsylvania DEPPA 06/30/2021
9100Dept. of Env, Great Lakes, and EnergyMI 09/6/2021
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APPENDIX C
NCDEQ RISK CALCULATOR SUMMARY

Version Date:
Basis:
Site Name:
Site Address:
DEQ Section:
Site ID:
Exposure Unit ID:
Submittal Date:
Reviewed By:
North Carolina Department of Environmental Quality
Risk Calculator
Red Carpet Inn Brownfields Site
615 East Morehead Street, Charlotte, North Carolina
Brownfields
23070-19-060
January 2021
November 2020 EPA RSL Table
Prepared By:Terracon Consultants, Inc.
North Carolina DEQ Risk Calculator
Risk for Individual Pathways Output Form 1A
Version Date: January 2021
Basis: November 2020 EPA RSL Table
Site ID: 23070-19-060
Exposure Unit ID:
Receptor Pathway
Carcinogenic
Risk Hazard Index Risk exceeded?
Soil NC NC NC
Groundwater Use* NC NC NC
Soil NC NC NC
Groundwater Use* NC NC NC
Construction Worker Soil NC NC NC
Soil NC NC NC
Surface Water* NC NC NC
Receptor Pathway
Carcinogenic
Risk Hazard Index Risk exceeded?
Groundwater to Indoor Air NC NC NC
Soil Gas to Indoor Air 2.0E-06 5.1E-02 NO
Indoor Air NC NC NC
Groundwater to Indoor Air NC NC NC
Soil Gas to Indoor Air 1.5E-07 4.0E-03 NO
Indoor Air NC NC NC
Pathway Source
Source Soil NC
Source Groundwater NC
Source Soil NC
Source Groundwater NC
3. NM = Not Modeled
4. NC = Pathway not calculated
DIRECT CONTACT SOIL AND WATER CALCULATORS
Resident
Non-Residential Worker
Recreator/Trespasser
2. * = If concentrations in groundwater exceed the NC 2L Standards or IMAC, or concentrations in surface water exceed the
NC 2B Standards, appropriate remediation and/or institutional control measures will be necessary to be eligible for a risk-based
closure.
Surface Water Exceedence of 2B at Receptor?
Exceedence of 2B at Receptor?
VAPOR INTRUSION CALCULATORS
Resident
Non-Residential Worker
CONTAMINANT MIGRATION CALCULATORS
Target Receptor Concentrations Exceeded?
Groundwater Exceedence of 2L at Receptor?
Exceedence of 2L at Receptor?
1. If lead concentrations were entered in the exposure point concentration tables, see the individual calculator sheets for lead
concentrations in comparison to screening levels. Note that lead is not included in cumulative risk calculations.
Notes:
North Carolina DEQ Risk Calculator
Exposure Point ConcentrationsVersion Date: January 2021Basis: November 2020 EPA RSL TableSite ID: 23070-19-060Exposure Unit ID: Description of Exposure Point Concentration Selection:Exposure Point Concentration (ug/m3)Notes: CAS Number ChemicalMinimum Concentration (Qualifier)Maximum Concentration (Qualifier)UnitsLocation of Maximum ConcentrationDetection FrequencyRange of Detection LimitsConcentration Used for ScreeningBackground ValueScreening Toxicity Value (Screening Level) (n/c)Potential ARAR/TBC ValuePotential ARAR/TBC SourceCOPC Flag (Y/N)Rationale for Selection or Deletion55 67-64-1 Acetoneug/m311 71-43-2 Benzeneug/m33.5 67-66-3 Chloroformug/m35 100-41-4 Ethylbenzeneug/m346 142-82-5 Heptane, N-ug/m325 110-54-3 Hexane, N-ug/m37.9 67-63-0 Isopropanolug/m39.5 78-93-3 Methyl Ethyl Ketone (2-Butanone)ug/m3170 115-07-1 Propyleneug/m31.9 100-42-5 Styreneug/m31.4 127-18-4 Tetrachloroethyleneug/m3220 108-88-3 Tolueneug/m31.3 79-01-6 Trichloroethyleneug/m36.4 75-69-4 Trichlorofluoromethaneug/m32.5 95-63-6 Trimethylbenzene, 1,2,4-ug/m30.65 108-67-8 Trimethylbenzene, 1,3,5-ug/m313 106-42-3 Xylene, P-ug/m313 108-38-3 Xylene, m-ug/m35.5 95-47-6 Xylene, o-ug/m3Input Form 2DSoil Gas Exposure Point Concentration TableNote: Chemicals highlighted in orange are non-volatile chemicals. Since these chemicals do not pose a vapor intrusion risk, no risk values are calculated for these chemicals.If the chemical list is changed from a prior calculator run, remember to select "See All Chemicals" on the data output sheet or newly added chemicals will not be included in risk calculationsNorth Carolina DEQ Risk Calculator