DC360008_20240712_Additional Assessment Report

AECOM Technical Services of North Carolina, Inc.704.522.0330 tel
6000 Fairview Road, Suite 200
Charlotte, NC 28210
July 12, 2024
North Carolina Department of Environmental Quality
Division of Waste Management – DSCA Program
1646 Mail Service Center
Raleigh, NC 27699-1646
Att: Ms. Ariana Rivera
DSCA Project Manager
Re: Additional Assessment Report
Belmont Dry Cleaners DSCA Site ID #DC360008
111 South Main Street
Belmont, Gaston County, North Carolina
Dear Ms. Rivera:
AECOM Technical Services of North Carolina, Inc. is pleased to provide this Additional
Assessment Report, completed for the former Belmont Dry Cleaners (site) located at 111 South
Main Street Belmont, Gaston County, North Carolina. This Report was developed in accordance
with the work authorized in the following proposals:
SLAW 003, (dated May 11, 2023, and authorized on May 11, 2023),
SLAW 003A, (dated July 28, 2023, and authorized on August 2, 2023),
SLAW 003B, (dated October 13, 2023, and authorized on October 20, 2023), and
SLAW 003C, (dated December 8, 2023, and authorized on December 15, 2023).
The former Belmont Dry Cleaners is located in a standalone building and is no longer an active
dry-cleaners operation. Currently the former dry cleaners building is occupied by Belmont Eye, a
vision doctor’s office. A Site Chronology is included as Table 1.
Vapor Sampling Activities - May 2023
As documented in the Supplemental Assessment Report, dated June 3, 2023, AECOM had
delineated vapor intrusion (VI) risk to surrounding properties with the exception of the adjacent
117 S Main Street property located immediately southwest of the former dry cleaners building. A
vapor quality summary map is included as Figure 1. As indicated on Figure 1, due to soil gas
contaminant concentrations in sample SG-4 exceeding the calculated VI risk for non-residential
exposure in the vicinity of the commercial building located at 117 S Main Street, AECOM
identified a potential vapor intrusion exposure risk and requested to collect additional vapor
samples within the 117 S Main Street building, however, interactions with the property owner
had not been productive and access was denied. As the 117 S Main Street building was vacant at
the time, there was no complete exposure pathway to occupants and further vapor sampling was
temporarily suspended until the building was occupied again. In January 2023 AECOM notified
DSCA that 117 S Main Street had been re-occupied with a tenant and requested DSCA to assist
in gaining access to the property. In March 2023, AECOM was notified by DSCA that contact
with Darlyn Willard (property owner of 117 S Main Street) was established and sampling would
be permitted.
Ms. Ariana Rivera
Belmont Dry Cleaners – DC360008
July 12, 2024
Page 2 of 6
In accordance with the scope of work approved in change order SLAW 003 (authorized by
DSCA on May 11, 2023), AECOM collected indoor air (IA-3) and sub-slab vapor (SSV-2)
samples within the commercial building located at 117 S Main Street on May 9, 2023. The
locations of samples IA-3 and SSV-2 in respect to the 117 S Main Street property are indicated
on Figure 1. As indicated on Figure 1, the building on the 117 S Main Street property is divided
into three tenant spaces and samples IA-3 and SSV-2 were collected from inside the northern
most tenant space (Space #1). Soil gas contaminant concentrations detected in sub-slab vapor
sample SSV-2 exceeded acceptable calculated VI risk levels for both residential and non-
residential worker exposure; however, contaminant concentrations detected in indoor air sample
IA-3 (collected from within the same tenant space as SSV-2) demonstrated acceptable calculated
VI exposure risk levels for both residential and non-residential exposure. Even though indoor air
quality within the northern most tenant space is acceptable, sub-slab contaminant vapors beneath
the building (as detected in sub-slab vapor sample SSV-2) can create a vapor intrusion exposure
risk to other tenant spaces in the building (Space 2 and 3).
Vapor Sampling Activities - August 2023
In accordance with the scope of work approved in change order SLAW 003A (authorized by
DSCA on August 2, 2023), and in further investigation of the potential VI exposure risk created
by soil gas contaminant concentrations observed beneath tenant space #1 (SSV-2), AECOM
collected indoor air samples (IA-4 and IA-5) and sub-slab vapor samples (SSV-3 and SSV-4)
within tenant spaces #2 and #3 of the commercial building located at 117 South Main Street on
August 11, 2023 as shown on Figure 1. Additionally, AECOM collected soil gas sample SG-9
on the vacant 100 Bryant Street residential property on August 11, 2023, at the request of the
property owner and petitioner of the site (Mr. Lineberger), as he was planning on selling this
property. As indicated on Figure 1, the analytical results of soil gas sample SG-9 exceeded the
calculated VI exposure risk levels for residential exposure. Even though there was no structure
present on this property, further delineation was warranted. As indicated on Figure 1,
contaminant concentrations detected in sub-slab vapor sample SSV-3, collected from inside the
middle tenant space (#2), exceeded the calculated VI exposure risk levels for residential. As
indicated on Figure 1, contaminant concentrations detected in sub-slab vapor sample SSV-4,
collected from inside the southernmost tenant space (#3), demonstrated an acceptable calculated
VI exposure risk levels for both residential and non-residential worker. Indoor air contaminant
concentrations detected in tenant spaces #2 and #3 (indoor air samples IA-4 and IA-5)
demonstrated acceptable indoor air quality for both residential and non-residential worker VI
exposure. Based on the indoor air and sub-slab vapor samples collected within the commercial
building located at 117 South Main Street, VI exposure risk to the southwest of the site had been
generally delineated. However, as indicated on Figure 1, additional soil gas sampling was
necessary to the south towards the residential property located at 116 Bryant Street.
Vapor Sampling Activities - October 2023
In accordance with the scope of work approved in change order SLAW 003B (authorized by
DSCA on October 20, 2023), AECOM collected soil gas samples SG-10 through SG-16 on
October 27, 2023, to further delineate VI risk to offsite properties in the vicinity of the site. The
locations of soil gas samples SG-10 through SG-16 in respect to the site and offsite properties are
shown on Figure 1. As indicated on Figure 1, contaminant concentrations detected in soil gas
sample SG-10, collected from the right-of-way near the 116 Bryant Street residential property,
Ms. Ariana Rivera
Belmont Dry Cleaners – DC360008
July 12, 2024
Page 3 of 6
exceeded the calculated VI risk levels for residential exposure. Based on the results of soil gas
sample SG-10, potential VI exposure risks were present near the 116 Bryant Street residential
property and further offsite sampling was required. As indicated on Figure 1, contaminant
concentrations detected in soil gas samples SG-11 and SG-12 (located along S Main Street),
exceeded the calculated VI risk levels for residential exposure. Currently the properties
northwest of the site across South Main Street are designated as commercial, however the
properties designated on Figure 1 as PIN ID 3594182786 and PIN ID 3594781672 were vacant
during the time of sampling and future development plans for them is unknown. Additional VI
sampling was recommended to delineate to acceptable residential VI exposure risk in the event
offsite properties PIN ID 3594182786 and PIN ID 3594781672 are redesignated for mixed use
residential development which is common in the area. As indicated on Figure 1, soil gas
contaminant concentrations detected in sample SG-13, collected from the site near the 101 South
Main Street property, exceeded the calculated VI risk levels for residential exposure but is
acceptable for non-residential worker exposure. As the 101 South Main Street property is
currently designated as a commercial property, no further sampling was required. As indicated
on Figure 1, contaminant concentrations detected in soil gas samples SG-14 through SG-16
present acceptable calculated VI exposure risk levels for both residential and non-residential
worker. Based on the results no further sampling is required on the 100 Bryant Street property.
Vapor Sampling Activities - April 2024
In accordance with the scope of work approved in change order SLAW 003C (authorized by
DSCA on December 15, 2023), AECOM collected soil gas samples SG-17 through SG-20 on
April 10, 2024, to delineate VI risk to the 116 Bryant Street residential property as well as the
properties designated on Figure 1 as PIN ID 3594182786 and PIN ID 3594781672. The
locations of soil gas samples SG-17 through SG-20 in respect to the site and offsite properties are
shown on Figure 1. As indicated on Figure 1, contaminant concentrations detected in soil gas
samples SG-17 through SG-20 present acceptable calculated VI risk levels for both residential
and non-residential worker exposure. Based on these results, current VI exposure risk do not
likely extend further onto the 116 Bryant Street residential property or the PIN ID 3594182786
and PIN ID 3594781672 offsite properties.
Vapor Sampling Protocols & Cumulative Risk Calculations
The collection of indoor air and soil gas samples as discussed herein, were collected in
accordance with AECOM standard operating procedures (SOP) (included in Appendix A).
Vapor samples were submitted to Waypoint Analytical (Waypoint) and SGS North America Inc.
(SGS) for analysis of tetrachloroethylene (PCE), trichloroethylene (TCE), cis-dichloroethylene
(cis-1,2-DCE), trans-1,2-dichloroethylene (trans-1,2-DCE), and vinyl chloride (VC), by
Environmental Protection Agency (EPA) Method TO-15. Indoor air soil sample results are
summarized in Table 2, sub-slab vapor sample results are summarized in Table 3, and soil gas
sample results are summarized in Table 4. Laboratory analytical reports are included in
Appendix B. Field data sheets from each sampling event is included in Appendix C.
Photographs taken from each sampling event are included in Appendix D.
The following vapor cumulative carcinogenic indoor air risks and cumulative hazard indices
were calculated using the DSCA Indoor Air Risk Calculator Worksheet for Resident and Non-
Residential Workers exposure (Version 11, July 2023). These worksheets are included in
Ms. Ariana Rivera
Belmont Dry Cleaners – DC360008
July 12, 2024
Page 4 of 6
Appendix E and the results are summarized below (results below detection limits are not
included):
Sample ID Sample
Date
Cumulative Risk:
Resident Non-Residential Worker
CR HI CR HI
IA-3 05/09/23 1.2E-06 3.1E-01 2.8E-07 7.5E-02
IA-4 08/11/23 3.4E-07 8.9E-02 7.8E-08 2.1E-02
IA-5 08/11/23 2.4E-07 6.2E-02 5.5E-08 1.5E-02
SSV-2 05/09/23 8.1E-04 2.1E+02 6.0E-05 1.7E+01
SSV-3 08/11/23 2.5E-05 6.2E+00 1.7E-06 4.9E-01
SSV-4 08/11/23 5.0E-08 1.3E-02 3.8E-09 1.0E-03
SG-9 08/11/23 9.8E-06 2.5E+00 7.4E-07 2.0E-01
SG-10 10/27/23 8.4E-06 2.2E+00 6.4E-07 1.7E-01
SG-11 10/27/23 5.6E-06 1.5E+00 4.2E-07 1.2E-01
SG-12 10/27/23 1.8E-05 3.9E+00 9.1E-07 3.1E-01
SG-13 10/27/23 1.5E-05 3.8E+00 1.1E-06 3.0E-01
SG-14 10/27/23 1.0E-06 2.7E-01 7.8E-08 2.1E-02
SG-15 10/27/23 2.9E-06 7.6E-01 2.2E-07 6.0E-02
SG-16 10/27/23 2.3E-06 5.9E-01 1.8E-07 4.7E-02
SG-17 04/10/24 2.2E-07 5.7E-02 1.7E-08 4.5E-03
SG-18 04/10/24 1.2E-06 3.1E-01 9.0E-08 2.4E-02
SG-19 04/10/24 8.9E-08 2.3E-02 6.8E-09 7.8E-03
SG-20 04/10/24 2.3E-08 5.8E-03 1.7E-09 4.6E-04
CR = Calculated cumulative carcinogenic risk; acceptable calculated risk values are less than 1E-04.
HI = Calculated non-carcinogenic hazard quotient; acceptable hazard index values are less than 1.0.
Green = Value does not exceed acceptable CR or HI
Red = Value exceeds acceptable CR or HI
Additional Soil Sampling Activities – August 2023
In accordance with the scope of work approved in change order SLAW 003A (authorized by
DSCA on August 2, 2023) AECOM collected soil samples from boring SB-17 to evaluate if soil
impacts extended as far as the vacant residential property located at 100 Bryant Street. The
location of soil samples collected from boring SB-17 are indicated on Figure 2. Soil was
screened in 1-foot intervals using a photoionization detector (PID). One soil sample was
collected from the 0 to 1 foot interval and one soil sample was collected from a depth of 4 to 5
feet which was the screening interval with the highest PID recorded between a depth of 1 to 5 ft
below ground surface (bgs). Soil samples were submitted to SGS for analysis for volatile organic
compound (VOC) analysis by SW-846 8260B. Soil sample results are summarized on Figure 2
and documented in Table 5. As indicated on Figure 2, chlorinated solvents were not detected
within either sample collected from soil boring SB-17. A copy of the laboratory analytical report
is attached as Appendix B. A soil boring log for SB-17 is included in Appendix F.
Ms. Ariana Rivera
Belmont Dry Cleaners – DC360008
July 12, 2024
Page 5 of 6
Laboratory Data Reliance
AECOM received the Waypoint laboratory report on July 19, 2023. AECOM received SGS
laboratory reports on August 20, 2023, August 25, 2023, September 4, 2023, November 10,
2023, and April 26, 2024. Based on AECOM’s review of the laboratory reports, PACE,
Waypoint, and SGS did not identify any quality assurance/quality control issues associated with
the data, and the data are deemed usable for the purposes of the assessment activities and
conclusions documented in this submittal.
For reference purposes, a groundwater quality summary map has been included in this report as
Figure 3, as well as all previously submitted tables.
If you have any questions or require additional information, please do not hesitate to call either
Rob MacWilliams or Madalyn P. Stone at [phone].
Sincerely,
AECOM TECHNICAL SERVICES OF NORTH CAROLINA, INC.
July 12, 2024
Madalyn P. Stone, PG
Project Coordinator
NC License No. 2522 Date
Robert H. MacWilliams, PG
Enclosures
Figures
Figure 1 Vapor Quality Map
Figure 2 Soil Quality Map
Figure 3 Groundwater Quality Map
Tables
Table 1 Site Chronology
Table 2 Analytical Data for Indoor Air
Table 3 Analytical Data for Soil Gas
Table 4 Analytical Data for Sub-slab Gas
Table 5 Analytical Data for Soil
Ms. Ariana Rivera
Belmont Dry Cleaners – DC360008
July 12, 2024
Page 6 of 6
Table 6 Analytical Data for Groundwater
Table 7 Monitoring Well Construction Data
Table 8 Groundwater Elevation Data
Table 9 Analytical Data for Natural Attenuation Parameters
Table 10 Analytical Data for Surface Water
Appendices
Appendix A AECOM Standard Operating Procedures
Appendix B Laboratory Analytical Report
Appendix C Field Data Sheets
Appendix D Photographic Logs
Appendix E VI Cumulative Risk Calculator Worksheets
Appendix F Boring Logs
TABLE
Chronology of Events
05/17/18 Excel Civil and Environmental Associates (Excel) collected three (3) soil samples (TW-1 through TW-3) and three (3)
07/11/18 SRP Environmental, LLC, completed an expanded Phase I environmental assessment of the site.
02/17/21 Site accepted into DSCA program.
07/13/21 AECOM advanced and sampled seven (10) soil borings (SB-1 through SB-10) to 5 ft bgs. AECOM installed and
08/19/21 AECOM gauged and sampled monitoring wells MW-1 through MW-4. Additionally, AECOM completed the 0.5 mile
08/25/21 AECOM collected four (4) surface water samples (SW-1 through SW-4) and two (2) porewater samples (PW-3 and PW-
4). AECOM was not able to collect samples from proposed porewater sample location PW-1 and PW-2 due to refusal.
12/20/21 through
12/21/21
AECOM advanced and sampled six (6) soil borings (SB-11 to SB-16) to 5 ft bgs. AECOM installed and collected three
(3) soil gas samples (SG-6 to SG-8). AECOM installed and sampled one (1) sub-slab vapor sample (SSV-1). AECOM
01/14/22 AECOM recollected soil samples ( SB-11 through SB-16) due to exceedance of holding times.
2/8/22 through AECOM deployed and sampled two (2) indoor air samples (IA-2 and IA-1-108).
05/09/23 AECOM deployed and sampled one (1) indoor air samples (IA-3), as well as installed and collected one (1) sub-slab
08/11/23 AECOM deployed and sampled two (2) indoor air samples (IA-4 and IA-5), installed and collected two (2) sub-slab
10/27/23 AECOM installed and collected seven (7) soil gas samples (SG-10 through SG-16).
04/10/24 AECOM installed and collected four (4) soil gas samples (SG-17 through SG-20).
Date
(mm/dd/yy)Description
Table 1: Site Chronology
DSCA Site ID: DC360008
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IA-1 12/20/21 C SU 8h 2.7 J <0.6 <1.1 <0.84 <0.88
IA-2 02/08/22 F SU 8h 7.6 J <0.58 <1.1 <0.81 <0.85
IA-1-108 Bryant 02/09/22 R SU 8h <0.41 <0.54 <1.0 <0.75 <0.79
IA-3 05/09/23 C SU 8h 13.1 <0.199 <0.095 <0.108 <0.127
IA-4 08/11/23 C SU 8h 3.7 <0.21 <0.79 <0.79 <0.51
IA-5 08/11/23 C SU 8h 2.6 <0.21 <0.79 <0.79 <0.51
Notes:
2 Indicate "SU" for summa canister, "FC" for flux chambers, "T" for tedlar bags, "P" for passive samplers, "O" for other.
(µg/m3)
1 Indicate "F" for former or current dry-cleaning facility, "AD" for adjacent space, "R" for residence, "C" for commercial not adjacent space.
If sample was taken outdoors, leave blank.
3 Indicate "8h" for 8-hour, "24h" for 24-hour, "G" for grab sample, for other hours indicate the number of hours followed by "h" or "d" for
days.
Table 2: Analytical Data for Indoor Air
DSCA Site ID: DC360008
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Is dry-cleaning facility at the site: Operating Pick-up Only Abandoned
If facility is operating, solvents used are: Perc Petroleum Green Earth Other
For the active or former dry-cleaning space, describe the type and location of the air handling/HVAC unit (for example - a shared unit supplying two adjacent spaces; unit located on the roof):
DSCA Site ID: DC360008
Table 2(1): Additional Data for Indoor and Outdoor Air
(IA-1) 111 S Main Street - Seprate comercial building on the site property, used as a real estate office.
(IA-1-108) A residence approximatlely 80 feet southeast from the dry-cleaner, Office space adjacent to the dry-cleaner.
(IA-3, IA-4, and IA-5) Vacant commercial property (117 S. Main Street), three tenant spaces aviliable, directly adjacent southwest of the site.
HVAC system located on top of tenant space.
For any other indoor spaces tested, describe the type and location of the air handling/HVAC unit (for example - a shared unit supplying two adjacent spaces; unit located on the roof):
111 S Main Street - HVAC system located on top of the tenant space, separate commercial building on the site property, used as a real estate office.
108 Bryant Street - HVAC unit on the side of the residential use.
117 S. Main Street - three HVAC units on the back of the building for ach tenant space.
For any indoor air spaces tested, describe the current use of the space (for example - an ABC liquor store adjacent to the dry-cleaner, a residence approximately 200 feet from the dry-cleaner, etc.):
Sample ID Name and Address for Sampling Location Property Owner Name, Address, and Phone Number Tenant Name
IA-1 Premier South Premier South
IA-2 Belmont Eye Belmont Eye
IA-1-108 Residence Unkown
IA-3
IA-4
IA-5
Table 2(2): Additional Data for Indoor and Outdoor Air
DSCA Site ID: DC360008
Commercial (Vacant)
117 S Main Street, Belmont, NC
Darlyn D. Willard
PO Box 1247, Belmont, NC 28012 Vacant
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SG-1 6 30m 07/14/21 839000 <1920 <2830 <2830 <914
SG-2 6 30m 07/14/21 192000 564 <723 <723 <233
SG-3 6 30m 07/14/21 86600 125 <173 <173 <55.8
SG-4 6 30m 07/14/21 386000 2750 3610 <1450 <467
SG-5 6 30m 07/14/21 22500 <123 <181 <181 <58.3
SG-7 6 30m 12/21/22 4400 5.8 J <24 <24 <15
SG-8 6 30m 12/20/22 1000 <11 <8.0 <8.0 <5.2
SG-9 6 30m 08/11/23 3420 5.0 <2.4 <2.2 <3.6
SG-10 6 3m 10/27/23 3020 <3.4 <13 <13 <2.8
SG-11 6 5m 10/27/23 1930 4.5 <6.3 <6.3 <4.1
SG-12 6 5m 10/27/23 160 254 112 25 7.7
SG-13 6 6m 10/27/23 5340 <4.3 <16 <16 <10
SG-14 6 5m 10/27/23 370 <0.86 <3.2 <3.2 <2.0
SG-15 6m 10/27/23 1050 <0.86 <3.2 <3.2 <2.0
SG-16 6 5m 10/27/23 827 <0.86 <3.2 <3.2 <2.0
SG-17 6 7m 04/10/24 78.7 <0.86 <3.2 <3.2 <2.0
SG-18 6 6m 04/10/24 425 <0.86 <3.2 <3.2 <2.0
SG-19 6 7m 04/10/24 32 <0.86 <3.2 <3.2 <2.0
SG-20 6 7m 04/10/24 8.1 <0.86 <3.2 <3.2 <2.0
1 Indicate "G" for grab sample or for longer samples indicate the number of minutes followed by "m".
(µg/m3)
Table 3: Analytical Data for Soil Gas
DSCA Site ID: DC360008
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Table 4: Analytical Data for Sub-slab Gas
DSCA Site ID: DC360008
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SSV-1 6 6 30m 12/21/2021 840 <14 <11 <11 <6.8
SSV-2 6 6 32m 05/09/23 26800 1060 <4.77 <5.4 <6.35
SSV-3 6 6 30m 08/11/23 6530 104 <32 <32 <20
SSV-4 6 6 28m 08/11/23 18 <0.86 <3.2 <3.2 <2.0
1 Indicate "G" for grab sample or for longer samples indicate the number of minutes followed by "m".
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DSCA Site ID: DC360008
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TW-1 10 05/17/18 0.0094 <0.0011 <0.00275 <0.0055 <0.00275 0.00055 J <0.00275 <0.0011 <0.0138 0.00375 J <0.00715 <0.0275 0.0178 J <0.0138 <0.00275 NA <0.0055 <0.0055 <0.0275
TW-2 5 05/17/18 1.5900 0.00649 <0.00307 <0.00615 <0.00307 0.000705 J <0.00307 <0.00123 0.00606 J 0.00335 J 0.00609 J <0.0307 0.0201 J <0.0154 <0.00307 NA 0.0043 J 0.00175 J <0.0307
TW-3 15 05/18/18 0.00169 J <0.00119 <0.00298 <0.00596 <0.00298 <0.00119 <0.00298 <0.0119 <0.0149 <0.00596 <0.00775 <0.0298 0.0289 J <0.0149 <0.00298 NA <0.00596 <0.00596 <0.0298
SB-1 0-1 07/13/21 1.41 0.0234 <0.0075 <0.0075 <0.0149 <0.0075 0.0074 J <0.0075 0.0567 0.021 0.0805 <0.149 <0.149 <0.0075 0.0176 NA 0.121 0.0603 <0.0205
SB-2 1-2 07/14/21 11.2 0.0557 <0.0159 <0.0159 <0.0318 0.0189 0.0102 J <0.0159 0.0648 0.0922 0.0989 <0.318 <0.318 <0.0159 <0.0159 NA 0.0454 <0.0159 <0.0435
SB-3 0-1 07/13/21 0.789 <0.0058 <0.0058 <0.0058 <0.0116 <0.0058 <0.0058 <0.0058 0.0126 0.0099 0.0239 <0.116 <0.116 <0.0058 <0.0058 NA 0.0086 0.0031 J <0.015.9
SB-4 4-5 07/13/21 0.0349 <0.0059 <0.0059 <0.0059 <0.0118 <0.0059 <0.0059 <0.0059 <0.0059 <0.0059 <0.0118 <0.118 <0.118 <0.0059 <0.0059 NA <0.0059 <0.0059 <0.0162
SB-5 4-5 07/14/21 0.0228 <0.0055 <0.0055 <0.0055 <0.011 <0.0055 <0.0055 <0.0055 0.0201 0.012 0.0055 J <0.11 <0.11 <0.0055 <0.0055 NA 0.0051 J <0.0055 <0.0151
SB-6 4-5 07/14/21 0.06 <0.0071 <0.0071 <0.0071 <0.0142 <0.0071 <0.0071 <0.0071 0.0102 0.0195 0.0262 <0.142 <0.142 <0.0071 <0.0071 NA 0.0068 J <0.0071 <0.0195
SB-7 4-5 07/14/21 0.0846 <0.0061 <0.0061 <0.0061 <0.012 <0.0061 <0.0061 <0.0061 <0.0061 <0.0061 <0.012 <0.121 <0.121 <0.0061 <0.0061 NA 0.0035 J <0.0061 <0.0166
SB-8 4-5 07/13/21 0.0217 <0.0074 <0.0074 <0.0074 <0.0147 <0.0074 <0.0074 <0.0074 <0.0074 0.0045 J <0.0147 <0.147 <0.147 <0.0074 <0.0074 NA <0.0074 <0.0074 <0.0202
SB-9 1-2 07/14/21 0.277 <0.0062 <0.0062 <0.0062 <0.0124 <0.0062 <0.0062 <0.0062 <0.0062 0.0038 J 0.0051 J <0.124 <0.124 <0.0062 <0.0062 NA 0.0039 J <0.0062 <0.0169
SB-10 0-1 07/14/21 7.99 0.216 0.0614 <0.0138 <0.0275 <0.0138 0.0217 <0.0138 0.0419 0.0755 0.166 <0.275 <0.275 0.0072 J <0.0138 NA 0.0912 0.0352 <0.0377
SB-11 2-3 01/14/22 0.0133 <0.0055 <0.0055 <0.0055 <0.011 <0.0055 <0.0055 <0.0055 <0.0055 <0.0055 0.0137 <0.11 <0.11 <0.0055 <0.0055 <0.022 0.005 J <0.0055 <0.022
SB-12 2-3 01/14/22 <0.0056 <0.0056 <0.0056 <0.0056 <0.0112 <0.0056 <0.0056 <0.0056 <0.0056 <0.0056 <0.0112 <0.112 <0.112 <0.0056 <0.0056 <0.0225 <0.0056 <0.0056 <0.0225
SB-13 2-3 01/14/22 0.0028 J <0.005 <0.005 <0.005 <0.0101 <0.005 <0.005 <0.005 <0.005 <0.005 <0.0101 <0.101 <0.101 <0.005 <0.005 <0.0202 0.003 J <0.005 <0.0202
SB-14 2-3 01/14/22 <0.005 <0.005 <0.005 <0.005 <0.0101 <0.005 <0.005 <0.005 <0.005 <0.005 <0.0101 <0.101 <0.101 <0.005 <0.005 <0.0202 <0.005 <0.005 <0.0202
SB-15 2-3 01/14/22 0.0061 <0.0054 <0.0054 <0.0054 <0.0108 <0.0054 0.0101 <0.0054 0.0051 J 0.0461 0.0559 <0.108 <0.108 <0.0054 <0.0054 <0.0216 0.0242 0.0085 <0.0216
SB-16 2-3 01/14/22 <0.0051 <0.0051 <0.0051 <0.0051 <0.0102 <0.0051 <0.0051 <0.0051 <0.0051 0.0035 J 0.0111 <0.102 <0.102 <0.0051 <0.0051 <0.0215 0.0050 J <0.0051 0.0408
SB-17 0-1 08/11/23 <0.0019 <0.00097 <0.00097 <0.00097 <0.0019 <0.00048 <0.00097 <0.00097 NA <0.00097 <0.00097 <0.0094 <0.0097 NA <0.0019 <0.0047 <0.0048 NA <0.0048
SB-17 4-5 08/11/23 <0.0019 <0.00097 <0.00097 <0.00097 <0.0019 <0.00048 <0.00097 <0.00097 NA 0.00093 J <0.00097 0.0042 J <0.0097 NA <0.0019 0.0194 <0.0048 NA <0.0048
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d
d
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(mg/kg)
Table 5: Analytical Data for Soil
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TW-1 05/17/18 0.11 0.00342 0.0042 <0.001 <0.001 0.0116 0.0117 0.000419 J <0.005 0.0845 0.0509 <0.001 <0.005 0.00742 <0.001 <0.001 0.000509 J <0.001 0.00166 0.00215
TW-2 05/17/18 0.193 0.00723 0.00984 <0.001 <0.001 0.00639 0.00772 0.00269 <0.005 0.0451 0.033 0.000877 J 0.00084 J 0.00585 0.000604 J 0.0111 0.000691 J <0.001 0.00119 0.00161
TW-3 05/18/18 0.00458 <0.01 0.00188 J <0.002 <0.002 <0.002 <0.002 <0.002 <0.01 0.00218 0.00135 J <0.002 <0.01 <0.002 <0.002 <0.002 <0.002 <0.002 <0.002 <0.002
MW-1 08/19/21 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 0.0016 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001
MW-2 08/19/21 0.133 0.0092 0.016 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 0.0022 <0.001 <0.001
MW-3 08/19/21 0.0610 0.0009 J <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001
MW-4 08/19/21 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001
PW-3 08/25/21 <0.001 <0.001 0.002 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 0.0014 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001
PW-4 08/25/21 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001
Table 6: Analytical Data for Groundwater
DSCA Site ID:
Gr
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d
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d
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Well ID Date Installed
(mm/dd/yy)
Well Depth
(feet)
Well Diameter
(inch)
Screen Interval
(feet)
Status
(Active, Damaged,
Destroyed,
Abandoned)
Date Abandoned
(mm/dd/yy)
MW-1 08/10/21 30 2 15 - 30 Active --
MW-2 08/09/21 35 2 20 -35 Active --
MW-3 08/09/21 35 2 20 -35 Active --
MW-4 08/09/21 35 2 20 -35 Active --
Table 7: Monitoring Well Construction Data
DSCA Site ID: DC360008
Groundwater
Sampling Point
Sampling Date
(mm/dd/yy)
TOC Elevation
(feet)
Depth to Water
(feet btoc)
Groundwater
Elevation
(feet)
Depth to NAPL
(feet bgs)
NAPL Thickness
(feet)
Corrected*
Groundwater
Elevation (feet)
MW-1 08/19/21 100.00 16.99 83.01 NA NA NA
MW-2 08/19/21 101.33 23.44 77.89 NA NA NA
MW-3 08/19/21 97.62 23.05 74.57 NA NA NA
MW-4 08/19/21 104.69 21.84 82.85 NA NA NA
Table 8: Groundwater Elevation Data
DSCA Site ID: DC360008
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pH Te
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Units mg/L mV μs/cm2 std unit ° C
MW-1 08/19/21 NA NA 403.9 6.54 22.2
MW-2 08/19/21 NA NA 510 6.32 20.4
MW-3 08/19/21 NA NA 915 6.81 21.5
MW-4 08/19/21 NA NA 247.8 5.83 20.9
SW-1 08/25/21 8.48 18.5 233.5 7.98 21.7
SW-2 08/25/21 9.28 131 224.3 7.67 21.4
SW-3 08/25/21 6.25 77.4 225.1 7.18 21.3
PW-3 08/25/21 2.1 -56.6 260.8 6.79 22.5
SW-4 08/25/21 7.31 67.4 211.7 7.55 21.9
PW-4 08/25/21 3.82 82.7 240.8 6.68 21.4
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Table 9: Analytical Data for Natural Attenuation Parameters
DSCA Site ID: DC360008
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SW-1 08/25/21 <0.001 <0.001 <0.001 <0.001 <0.001
SW-2 08/25/21 <0.001 <0.001 <0.001 <0.001 <0.001
SW-3 08/25/21 0.0012 <0.001 <0.001 <0.001 <0.001
SW-4 08/25/21 <0.001 <0.001 <0.001 <0.001 <0.001
Table 10: Analytical Data for Surface Water
DSCA Site ID: DC360008
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FIGURE
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LEGEND
Petitioned Property Boundary
Parcel Lines
Soil Gas Sample Location
Former Belmont Dry Cleaners
PCE - Tetrachloroethylene
TCE - Trichloroethylenecis-1,2-DCE - cis-1,2-Dichloroethylenetrans-1,2-DCE - trans-1,2-Dichloroethylene
VC - Vinyl chloride
micrograms per cubic meterµg/m3
Sub-slab Vapor Sample Location
Indoor Air Sample Location
Vapor analytical results do not exceed calculated vapor intrusion risk for residential or non-residential exposure –
DSCA Indoor Air / Soil Gas Risk Calculator Vapor analytical results do not exceed calculated vapor
intrusion risk for non-residential exposure but do exceed for residential exposure – DSCA Indoor Air / Soil Gas Risk
Calculator
Vapor analytical results exceed calculated vapor intrusion risk
for residential and non-residential exposure – DSCA Indoor Air / Soil GasRisk Calculator
Estimated ValueJ
Below Laboratory Detection LimitsBDL
Approximate Location of Dry-Cleaning Machine
Area of VI Risk for Residential Use
Area of VI Risk for Non-residential Use
SG-4 (07/14/2021)PCE - 386,000 µg/m3
TCE - 2,750 µg/m3
cis-1,2-DCE - 3,610 µg/m3
SG-2 (07/14/2021)PCE - 192,000 µg/m3
TCE - 564 µg/m3
SG-5 (07/14/2021)PCE - 22,500 µg/m3
SG-1 (07/14/2021)PCE - 839,000 µg/m3
SG-3 (07/14/2021)
PCE - 86,600 µg/m3
TCE - 125 µg/m3
IA-1 (12/20/2021)
PCE - 2.7 J µg/m3
SSV-1 (12/21/2021)
PCE - 840 µg/m3
SG-6 (12/20/2021)
PCE - 910 µg/m3
SG-8 (12/20/2021)PCE - 1,000 µg/m3
SG-7 (12/21/2021)
PCE - 4,400 µg/m3
TCE - 5.8 J µg/m3
IA-1-108 (02/09/2022)BDL
IA-2 (02/08/2022)
PCE - 7.6 J µg/m3
IA-3 (05/09/2023)
PCE - 13.1 µg/m3
SSV-2 (05/09/2023)PCE - 268,000 µg/m3
TCE - 1,060 µg/m3
SSV-3 (08/11/2023)PCE - 6,530 µg/m3
TCE - 104 µg/m3
SG-9 (08/11/2023)PCE - 3,420 µg/m3
TCE - 5.0 µg/m3
IA-4 (08/11/2023)
PCE - 3.7 µg/m3
IA-5 (08/11/2023)
PCE - 2.6 µg/m3
SSV-4 (08/11/2023)
PCE - 18 µg/m3
SG-11 (10/27/2023)
PCE - 1,930 µg/m3
TCE - 4.5 µg/m3
SG-12 (10/27/2023)
PCE - 160 µg/m3
TCE - 254 µg/m3
cis-1,2-DCE - 112 µg/m3
trans-1,2-DCE - 25 µg/m3
VC - 7.7 µg/m3

SG-13 (10/27/2023)
PCE - 5,340 µg/m3
SG-10 (10/27/2023)PCE - 3,020 µg/m3
SG-14 (10/27/2023)PCE - 370 µg/m3 SG-15 (10/27/2023)PCE - 1,050 µg/m3SG-16 (10/27/2023)PCE - 827 µg/m3
SG-17 (04/10/2024)PCE - 78.7 µg/m3
SG-20 (04/10/2024)PCE - 8.1 µg/m3
SG-18 (04/10/2024)
PCE - 425 µg/m3 SG-19 (04/10/2024)PCE - 32 µg/m3
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TW-2 (5’) 05/17/2018PCE - 1.59 mg/kgTCE - 0.00649 mg/kgBenzene - 0.000705 J mg/kgToluene - 0.00335 J mg/kgXylenes (total) - 0.00609 J mg/kgNaphthalene - 0.00606 J mg/kg1,2,4-Trimethylbenzene - 0.0043 J mg/kg1,3,5-Trimethylbenzene - 0.00175 J mg/kg2-Butanone - 0.0201 J mg/kg
TW-1 (10’) 05/17/2018PCE - 0.00944 mg/kgBenzene - 0.00055 J mg/kgToluene - 0.00375 J mg/kg2-Butanone - 0.0178 J mg/kg

TW-3 (15’) 05/17/2018
PCE - 0.00169 J mg/kg
2-Butanone - 0.0289 J mg/kg

SB-6 (4’-5’) 07/14/2021
PCE - 0.06 mg/kg
Toluene - 0.0195 mg/kg
Xylene (total) - 0.0262 mg/kg
Naphthalene - 0.0102 mg/kg
1,2,4-Trimethylbenzene - 0.0068 J mg/kg

SB-5 (4’-5’) 07/14/2021PCE - 0.0228 mg/kgToluene - 0.012 mg/kgXylene (total) - 0.0055 J mg/kgNaphthalene - 0.0201 mg/kg1,2,4-Trimethylbenzene - 0.0051 J mg/kg
SB-7 (4’-5’) 07/14/2021
PCE - 0.0846 mg/kg
1,2,4-Trimethylbenzene - 0.0035 J mg/kg

SB-10 (0’-1’) 07/14/2021
PCE - 7.99 mg/kg
TCE - 0.216 mg/kg
cis-1,2-DCE - 0.0614 mg/kg
Ethylbenzene - 0.0217 mg/kg
Toluene - 0.0755 mg/kg
Xylene (total) - 0.166 mg/kg
Naphthalene - 0.0419 mg/kg
n-Butylbenzene - 0.0072 J mg/kg
1,2,4-Trimethylbenzene - 0.0912 mg/kg
1,3,5-Trimethylbenzene - 0.0352 mg/kg

SB-4 (4’-5’) 07/13/2021
PCE - 0.0349 mg/kg

SB-9 (1’-2’) 07/14/2021
PCE - 0.277 mg/kg
Toluene - 0.0038 J mg/kg
Xylene (total) - 0.0051 J mg/kg
1,2,4-Trimethylbenzene - 0.0039 J mg/kg

SB-2 (1’-2’) 07/14/2021PCE - 11.2 mg/kgTCE - 0.0557 mg/kgBenzene - 0.0189 mg/kgEthylbenzene - 0.0102 J mg/kgToluene - 0.0922 mg/kgXylene (total) - 0.0989 mg/kgNaphthalene - 0.0648 mg/kg1,2,4-Trimethylbenzene - 0.0454 mg/kg
SB-1 (0’-1’) 07/13/2021PCE - 1.41 mg/kgTCE - 0.0234 mg/kgToluene - 0.021 mg/kgEthylbenzene - 0.0074 J mg/kgXylenes (total) - 0.0805 mg/kgp-Isopropyltoluene - 0.0176 mg/kg
Naphthalene - 0.0567 mg/kg
1,2,4-Trimethylbenzene - 0.121 mg/kg
1,3,5-Trimethylbenzene - 0.0603 mg/kg

SB-8 (4’-5’) 07/13/2021PCE - 0.0217 mg/kgToluene - 0.0045 J mg/kg

SB-3 (0’-1’) 07/13/2021PCE - 0.789 mg/kgToluene - 0.0099 mg/kgXylenes (total) - 0.0239 mg/kgNaphthalene - 0.0126 mg/kg1,2,4-Trimethylbenzene - 0.0086 mg/kg1,3,5-Trimethylbenzene - 0.0031 J mg/kg

LEGEND
Petitioned Property Boundary
Soil Boring Location (Excel, 2018)
milligrams per kilogrammg/kg
Parcel Lines
Note: Historical data obtained from the Expanded Phase 1 Environmental Site Assessment Report prepared by SRP
Environmental, LLC. and dated June 11, 2018
Soil Boring Location
Red highlighted text indicates soil concentrations above the NC Protection of Groundwater PSRG
PCE - TetrachloroethyleneTCE - Trichloroehtylene
cis-1,2-DCE - cis-1,2-Dichloroethene1,2-DCA - 1,2-Dichloroethane
Below Laboratory Detection LimitsBDL
Former Belmont Dry Cleaners
Approximate Location of Dry-Cleaning Machine
Area of PCE PSRG Exceedance
SB-13 (2’-3’) 01/14/2022PCE - 0.0028 J mg/kg1,3,5-Trimethylbenzene - 0.003 J mg/kg

SB-14 (2’-3’) 01/14/2022
BDL

SB-15 (2’-3’) 01/14/2022
PCE - 0.0061 mg/kg
Ethylbenzene - 0.0101 mg/kg
Toluene - 0.0461 mg/kg
Xylene (total) - 0.0559 mg/kg
Naphthalene - 0.0051 J mg/kg
1,2,4-Trimethylbenzene - 0.0242 mg/kg
1,3,5-Trimethylbenzene - 0.0085 mg/kg

SB-16 (2’-3’) 01/14/2022
Toluene - 0.0035 J mg/kg
Xylene (total) - 0.0111 mg/kg
Methylene Chloride - 0.0408 mg/kg
1,2,4-Trimethylbenzene - 0.005 J mg/kg

SB-11 (2’-3’) 01/14/2022
PCE - 0.0133 mg/kg
Xylene (total) - 0.0137 J mg/kg
1,2,4-Trimethylbenzene - 0.005 J mg/kg

SB-12 (2’-3’) 01/14/2022
BDL

SB-17 (0’-1’) 08/11/2023
BDL

SB-17 (4’-5’) 08/11/2023Acetone - 0.0042 J mg/kgMethyl Acetate - 0.0194Toluene - 0.00093 J mg/kg

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TW-2 05/17/2018
PCE - 193 µg/l
TCE - 7.23 µg/l
cis-1,2-DCE - 9.84 µg/l
1,2-DCE - 0.877 J µg/l
Benzene - 6.39 µg/lToluene - 45.1 µg/lEthylbenzene - 7.72 µg/lXylenes (total) - 33 µg/lMTBE - 2.69 µg/lDi-isopropyl ether - 11.1 µg/lsec-Butylbenzene - 0.604 J µg/lIsopropylbenzene - 0.691 J µg/ln-Propylbenzene - 1.19 µg/l1,2,4-Trimethylbenzene - 5.85 µg/l1,3,5-Trimethylbenzene - 1.61 µg/l

TW-1 05/17/2018
PCE - 110 µg/l
TCE - 3.42 µg/l
cis-1,2-DCE - 4.20 µg/l
Benzene - 11.6 µg/l
Toluene - 84.5 µg/l
Ethylbenzene - 11.7 µg/l
Xylenes (total) - 50.9 µg/l
MTBE - 0.419 J µg/l
Isopropylbenzene - 0.509 J µg/l
n-Propylbenzene - 1.66 µg/l
1,2,4-Trimethylbenzene - 7.42 µg/l
1,3,5-Trimethylbenzene - 2.15 µg/l

TW-3 05/17/2018PCE - 4.58 µg/lcis-1,2-DCE - 1.88 J µg/lToluene - 2.18 µg/lXylenes (total) - 1.35 J µg/l

LEGEND
Petitioned Property Boundary
Surfacewater and Porewater Sample Location
Parcel Lines
Surfacewater Sample Location
Monitoring Well Location
Approximate Location of Dry-Cleaning Machine
Temporary Monitoring Well Location (Excel, 2018)
Potentiometric Surface Contour (ft) and Inferred Groundwater Flow Direction, August 19, 2021
µg/l micrograms per liter
Below Laboratory Detection Limits
Area of PCE 2L Standard Exceedance
BDL
Note: Historical data optained from the Expanded Phase 1
Environmental Site Assessment Report prepared by SRP Environmental, LLC. and dated June 11, 2018
Red highlighted text indicates groundwater concentrations
above the 2L Standards
Groundwater analytical results do not exceed calculated
vapor intrusion risk for residential or non-residential
exposure – DSCA Indoor Air / Soil Gas Risk Calculator
Groundwater analytical results do not exceed calculated
vapor intrusion risk for non-residential exposure but do exceed for residential exposure – DSCA Indoor Air / Soil Gas Risk Calculator
Groundwater analytical results exceed calculated vapor intrusion risk for residential and non-residential exposure – DSCA Indoor Air / Soil GasRisk CalculatorPCE - TetrachloroethyleneTCE - Trichloroethylene
cis-1,2-DCE - cis-1,2-DichloroethyleneMTBE - Methyl tert-butyl ether1,2-DCA - 1,2-Dichloroethane
PCE Isoconcentration Contour
MW-2 (08/19/2021)PCE - 133 µg/lTCE - 9.2 µg/lcis-1,2-DCE - 16.0 µg/lp-Isopropyltoluene - 2.2 µg/l

MW-1 (08/19/2021)Chloroform - 1.6 µg/l

MW-3 (08/19/2021)PCE - 61.0 µg/lTCE - 0.9 J µg/l

MW-4 (08/19/2021)
BDL

SW-1 (08/25/2021)BDL
SW-2 (08/25/2021)BDL

SW-3 (08/25/2021)PCE - 1.2 µg/l

SW-4 (08/25/2021)
BDL
PW-4 (08/25/2021)
BDL

PW-3 (08/25/2021)
cis-1,2-DCE - 2.0 µg/l
Xylene (total) - 1.4 µg/l

0.7 ug/L
7.0 ug/L
70 ug/L
APPENDIX A
AECOM STANDARD OPERATING PROCEDURES

Indoor Air Sampling SOP ()Revision June 4, 2017
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AECOM – North Carolina Standard Operating Procedures
Indoor Air Sampling SOP
1.Purpose and Scope
Standard operating procedures for the collection of an indoor air sample using a laboratory provided
Summa canister.
2.Procedure
2.1 Required Equipment
Project Health and Safety Plan (HASP)
Work Plan
6 Liter Summa Canister with a Flow Regulator from a
certified laboratory (precalibrated for an 8 hour interval)Field forms –Building Survey form (Attachment 1),
Summa Canister Field Sampling Data Sheet
(Attachment 2)
¼” Stainless steel nuts and ferrules
1/4" OD x 1/8" ID Teflon tubing
Safety Cones
Laminated Sign to notify Air Sampling in progress
Chain of Custody (COC)
Shipping forms, if needed
Standard wrench set
Digital camera
2.2 Sampling Protocol
1.Select an indoor sampling location in the area of
highest subsurface contamination and/or the
location with the most traffic, if known.
2.If this information is not available, select a sampling
location near the center of the building.
3.The inlet of the sample should be at breathing height (between 3 feet and 5 feet above the floor).
4.If a stand or table is available, place the canister on the stand or table for sample collection.

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Indoor Air Sampling SOP ()Revision June 4, 2017
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5.If necessary, attach a short length of stainless-steel or Teflon tubing to the summa canister using
stainless steel air tight fittings and anchor the inlet of the tubing so that it is located at breathing
height (e.g., with a zip-tie).
6.Select an ambient air sampling location that is representative of
the heating, ventilation, and air conditioning (HVAC) system
inlet air for the building if an HVAC system is operating.
7.If the HVAC inlet is on the side of the building, locate the
summa canister inlet near the HVAC inlet.
8.If the HVAC inlet is on the roof of the building, locate the
summa canister inlet on the roof using the safest method
available.
9.If there is no HVAC inlet, select a monitoring location
immediately upwind of the building. Avoid sampling near walls,
under trees, or other areas with obstructed air flow.
10.Connect the Teflon tubing (if applicable) to the summa canister
using air tight stainless steel fittings.
11.Document the sampling locations using a tape measure.
12.Note the characteristics of the building, including cracks in the
floor, a list of chemicals (including the brand name of the
chemical, the quantity and the location) present in the building
that may affect results, and other pertinent information.
13.Complete the field forms and include as much detail as possible. A blank building survey form is
included in Attachment 1.
14.Check the canister vacuum with a dedicated gauge (i.e., check all canisters with the same
gauge. The vacuum should be about -28 to -29” Hg. If any canister differs from the others by 3”
Hg or more, do not use that canister.
15.Attach the summa canisters and flow controllers to the Teflon tubing (if applicable) using the
stainless steel fittings provided by the laboratory.
16.Set up both the ambient air and indoor air canisters prior to opening the canister valves.
17.Place safety cones and “Air Sample in Progress” signs around the sampling locations as
necessary.
18.Open the ambient air or indoor air canister valve and record the time and vacuum gauge reading
(if there is a built-in vacuum gauge). Complete the Summa Canister Field Data sheet
(Attachment 2).
19.Repeat this process on the other canister as soon as possible.
Figure 2: Summa Canister

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Indoor Air Sampling SOP ()Revision June 4, 2017
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20.The vacuum should decrease as determined by the flow controller requested from the
laboratory. Typically an 8 hour flow controller is requested. Record the final times and vacuums
prior to closing the valves.
21.Close the valves at approximately the same time.
22.Label the canisters and fill out the chain of custody.
23.The laboratory will analyze the sample using Method TO-15 SIM (Selected Ion Method).
Typically, a list of analytes will be chosen that is specific to the program.
24.Ship the canister to the laboratory.
25.Clean up and remove all sampling materials from the site.
3.Records
a.Building Survey Form
b.Summa Canister Field Data Sheet
4.Attachments
a.Building Survey Form
b.Summa Canister Field Data sheet

AECOM
Subslab Vapor Sampling using Vapor Pins (Rev2)Revision June 4, 2017
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AECOM – North Carolina Standard Operating Procedures
Subslab Vapor Sampling using Vapor Pins
1.Purpose and Scope
Standard operating procedure for sampling soil gas using Vapor Pin samplers.
2.References
Standard Operating Procedure Installation and Extraction of the Vapor Pin.
3.Procedure
3.1 Required Equipment:
Project Health and Safety Plan (HASP)
Work Plan
Summa Canister with a Flow Regulator from a certified laboratory (pre-calibrated for a 200 ml/min flow rate,
Image-1, A1)Field forms – Summa Canister Field Sampling Data Sheet
¼” Stainless-steel nuts and ferrules
Stainless-steel Vapor Pin®Vapor Pin® Installation Kit
1/4" OD x 1/8" ID Teflon tubing
Hammer drill
5/8” diameter hammer drill bit
1½” diameter hammer drill bit for flush mount installation
Extension cord
Portable generator (If power is not available, ensure generator is operating outside in well-ventilated area)
Hydraulic cement
Water
Decontamination equipment
Ziplock bags
Helium detector
Helium
Helium chamber50mL Syringe with Luer-Lock tip Tedlar bags (Image-1, C1)
Chain of Custody (COC)
FedEx forms Standard wrench setDigital camera3-Way Stopcock Valve (Image-1, D1)Two 1/4 in. O.D. Polypropylene Push-to-Connect Valve (Image-1, E1 & E2)
1/4 in. Push-To-Connect Polypropylene Tee Fitting (Image-1, F1)
Shut-in Leak Check Assembly: Image-1, In-line vacuum pressure gauge (G1) and Brass two-way valve (G2).
3.2 Vapor Pin Sampling Method
1.Prior to mobilizing to the field, ensure summa canisters had adequate vacuum for sampling. Additionally, ensure
all summa canister components have been provided by the lab that are necessary to complete the sampling. If
there is any issues with a summa canister, contact the lab immediately for replacement.
2.Prior to intrusive activities, locate any underground utilities to ensure the safety of subsurface work conditions.

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3.Refer to the attached Standard Operating Procedure Installation and Extraction of the Vapor Pin. However, if the
work surface is tiled or carpeted, and bare concrete is not visible, then the Vapor Pin borehole should be kept
wet during advancement through the potentially asbestos-containing material (via a spray bottle) to reduce the
amount of dust associated with potentially asbestos-containing material. If unsure of the material present, the
borehole should be kept wet and as dust-free as possible until advanced through the floor covering into the
concrete.
4.Approximately 20 minutes following the installation of the vapor pin, use a syringe to purge the subsurface air
through the Teflon tubing. Purge a maximum of three pore volume of the borehole. The pore volume should be
a minimum of the volume of the tubing and underlining borehole.
Calculate pore volume using formula: v = π ra2La + π rt2Lt where:
v =Volume
La =Length of underlining borehole, and
ra =Radius of underlining borehole
Lt =Length of tubing, and
rt =Radius of tubing
5.Thread the tubing through the helium leak test device (helium chamber).
6.Connect the Teflon tubing from the soil gas point to a 2-way valve (Image-1, E1) and use Teflon tubing to
connect the 2-way valve (Image-1, E1) to the tee fitting (Image-1, F1).
7.Connect Teflon tubing to the stainless-steel summa canister (Image-1, A1) using air-tight stainless-steel fittings
and then connect the Teflon tubing to tee fitting (Image-1, F1).
8.Connect Teflon tubing to the last open connection on the tee fitting (Image-1, F1) then connect the Teflon tubing
to a 2-way valve (Image-1, E2).
9.Connect the 2-way valve (Image-1, E2) to the in line Shut-in Leak Check Assembly (Image-1: G1 and G2).
10.Connect the in line Shut-in Leak Check Assembly (Image-1: G1 and G2) to the 3-way stopcock valve (Image-1,
D1). One connection will be used to apply a vacuum using a syringe (Image-1, C1) and one connection will be
connected to a Tedlar bag.
11.Conduct the leak test and shut-in test as outlined in Section 4.
12.After the completion of the leak test and shut-in test, utilize the laboratory supplied flow controller to pull the
sample over the desired time interval. The extraction rate of the summa canister should not exceed 200 ml/min.
13.Following the completion of sampling, refer to the attached Standard Operating Procedure Installation and
Extraction of the Vapor Pin.
4.Leak Test and Shut-In Test Procedure
14.Close the 2-way valve closest to the soil gas point (Image-1, E1).
15.Use a syringe (Image-1, C1) to extract a negative pressure of approximately 10-inches of mercury (inHg) to the
sample train.

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* Shut-In Test Procedure (Image-1)
16.Close the 2-way brass valve (Image-1, G2) between the vacuum pressure gauge (Image-1, G1) and the vacuum
pump or syringe (Image-1, C1).
17.Record the initial negative pressure displayed on the vacuum pressure gauge (Image-2, G1).
18.Monitor the vacuum pressure gauge (Image-1, G1) for 5 minutes. Ensure that the negative pressure does not
decrease by more than 1-inHg.
19.Record the negative pressure reading on the summa cannister field data sheet. If the reading has dropped less
than 1-inHg, proceed to the next step. If the negative pressure reading has dropped more than 1-inHg,
reconstruct the sample train as necessary and repeat the test.
20.Close the 2-way valve (Image-1, E2) between the vacuum pressure gauge (Image-1, G1) and the tee fitting
(Image-1, F1).
21.Open the 2-way valve (Image-1, E1) between the tee fitting (Image-1, F1) and the soil gas point.
22.Monitor the vacuum presusure gauge for 5 minutes. Ensure that the negative pressure does not decrease by
more than 1-inHg.
23.Record the negative pressure reading. If the reading has dropped by less than 1-inHg, proceed to the next step.
If the negative pressure reading has dropped by more than 1-inHg, reconstruct the sample train as necessary
and repeat the test.
24.Open all 2-way valves (Image-1, E2 and G2) between the syringe (Image-1, C1) and the tee fitting (Image-1,
G1).

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25.Attach the helium detector to the helium chamber. Attach the helium container to the helium chamber using
teflon tubing and fill the helium chamber with helium until the helium detector reads >50%.
26.Use the syringe to fill a 1 Liter Tedlar bag with air from the sample port. This can be done by filling the syringe
with the 3-way stopcock valve (Image-1, D1) to the Tedlar bag closed and the connection to the soil gas point
open and emptying the syringe with the 3-way stopcock valve (Image-1, D1) to the Tedlar bag open and the
connection to the soil gas point closed.
27.Close the Tedlar bag and detach it from the pump.
28.Turn off the flow of helium into the helium leak test device.
29.Remove the helium detector from the leak test device and allow the helium detector reading to reach 0 ppm.
30.Insert the helium detector into the silicon tubing attached to the Tedlar bag and open valve on the bag.
31.Record the reading. If the reading is below 10% of the value measured within the test device, proceed to the
next step. If the reading is above 10%, repeat the leak test and reconstruct the sample point as necessary.
32.Be sure that the valve to the Tedlar bag is open and that nothing is blocking the flow to the helium detector. The
detector may produce false readings if the detector pump is strained or if methane is present in the soil gas.
5.Records
a.Building Survey Form
b.Summa Canister Field Data Sheet
6.Attachments
a.Standard Operating Procedure Installation and Extraction of the Vapor Pin.
b.Summa Canister Field Data Sheet

Standard Operating Procedure
Installation and Extraction
of the Vapor Pin®
Updated September 9, 2016

VAPOR PIN® protected under US Patent # 8,220,347 B2, US 9,291,531 B2 and other patents pending
Cox-Colvin & Associates, Inc. • 7750 Corporate Blvd., Plain City, Ohio 43064 • [phone] • VaporPin.CoxColvin.com
Scope:

This standard operating procedure describes
the installation and extraction of the VAPOR
PIN® for use in sub-slab soil-gas sampling.

Purpose:

The purpose of this procedure is to assure
good quality control in field operations and
uniformity between field personnel in the use
of the VAPOR PIN® for the collection of sub-
slab soil-gas samples or pressure readings.

Equipment Needed:

 Assembled VAPOR PIN® [VAPOR PIN® and
silicone sleeve(Figure 1)]; Because of
sharp edges, gloves are recommended for
sleeve installation;
 Hammer drill;
 5/8-inch (16mm) diameter hammer bit
(hole must be 5/8-inch (16mm) diameter
to ensure seal. It is recommended that
you use the drill guide). (Hilti™ TE-YX
5/8" x 22" (400 mm) #00206514 or
equivalent);
 1½-inch (38mm) diameter hammer bit
(Hilti™ TE-YX 1½" x 23" #00293032 or
equivalent) for flush mount applications;
 ¾-inch (19mm) diameter bottle brush;
 Wet/Dry vacuum with HEPA filter
(optional);
 VAPOR PIN® installation/extraction tool;
 Dead blow hammer;
 VAPOR PIN® flush mount cover, if
desired;
 VAPOR PIN® drilling guide, if desired;
 VAPOR PIN® protective cap; and
 VOC-free hole patching material
(hydraulic cement) and putty knife or
trowel for repairing the hole following the
extraction of the VAPOR PIN®.

Figure 1. Assembled VAPOR PIN®

Installation Procedure:

1) Check for buried obstacles (pipes,
electrical lines, etc.) prior to proceeding.

2) Set up wet/dry vacuum to collect drill
cuttings.

3) If a flush mount installation is required,
drill a 1½-inch (38mm) diameter hole at
least 1¾-inches (45mm) into the slab.
Use of a VAPOR PIN® drilling guide is
recommended.

4) Drill a 5/8-inch (16mm) diameter hole
through the slab and approximately 1-
inch (25mm) into the underlying soil to
form a void. Hole must be 5/8-inch
(16mm) in diameter to ensure seal. It is
recommended that you use the drill
guide.
Standard Operating Procedure
Installation and Removal of the Vapor Pin®
Updated September 9, 2016
Page

VAPOR PIN® protected under US Patent # 8,220,347 B2, US 9,291,531 B2 and other patents pending
Cox-Colvin & Associates, Inc. • 7750 Corporate Blvd., Plain City, Ohio 43064 • [phone] • VaporPin.CoxColvin.com
5) Remove the drill bit, brush the hole with
the bottle brush, and remove the loose
cuttings with the vacuum.

6) Place the lower end of VAPOR PIN®
assembly into the drilled hole. Place the
small hole located in the handle of the
installation/extraction tool over the vapor
pin to protect the barb fitting, and tap
the vapor pin into place using a dead
blow hammer (Figure 2). Make sure the
installation/extraction tool is aligned
parallel to the vapor pin to avoid
damaging the barb fitting.

Figure 2. Installing the VAPOR PIN®

During installation, the silicone sleeve will
form a slight bulge between the slab and the
VAPOR PIN® shoulder. Place the protective
cap on VAPOR PIN® to prevent vapor loss
prior to sampling (Figure 3).

Figure 3. Installed VAPOR PIN®

7) For flush mount installations, cover the
vapor pin with a flush mount cover, using
either the plastic cover or the optional
stainless-steel Secure Cover (Figure 4).

Figure 4. Secure Cover Installed

8) Allow 20 minutes or more (consult
applicable guidance for your situation)
for the sub-slab soil-gas conditions to re-
equilibrate prior to sampling.

9) Remove protective cap and connect
sample tubing to the barb fitting of the
VAPOR PIN®. This connection can be
made using a short piece of TygonTM
tubing to join the VAPOR PIN® with the
Nylaflow tubing (Figure 5). Put the
Standard Operating Procedure
Installation and Removal of the Vapor Pin®
Updated September 9, 2016
Page

VAPOR PIN® protected under US Patent # 8,220,347 B2, US 9,291,531 B2 and other patents pending
Cox-Colvin & Associates, Inc. • 7750 Corporate Blvd., Plain City, Ohio 43064 • [phone] • VaporPin.CoxColvin.com
Nylaflow tubing as close to the VAPOR
PIN® as possible to minimize contact
between soil gas and TygonTM tubing.

Figure 5. VAPOR PIN® sample connection

10) Conduct leak tests in accordance with
applicable guidance. If the method of
leak testing is not specified, an alternative
can be the use of a water dam and
vacuum pump, as described in SOP Leak
Testing the VAPOR PIN® via Mechanical
Means (Figure 6). For flush-mount
installations, distilled water can be
poured directly into the 1 1/2 inch
(38mm) hole.

Figure 6. Water dam used for leak detection

11) Collect sub-slab soil gas sample or
pressure reading. When finished, replace
the protective cap and flush mount cover
until the next event. If the sampling is
complete, extract the VAPOR PIN®.

Extraction Procedure:

1) Remove the protective cap, and thread
the installation/extraction tool onto the
barrel of the VAPOR PIN® (Figure 7).
Turn the tool clockwise continuously,
don't stop turning, the VAPOR PIN® will
feed into the bottom of the
installation/extraction tool and will
extract from the hole like a wine cork, DO
NOT PULL.

2) Fill the void with hydraulic cement and
smooth with a trowel or putty knife.
Figure 7. Removing the VAPOR PIN®

 Prior to reuse, remove the silicone
sleeve and protective cap and discard.
Decontaminate the VAPOR PIN® in a
hot water and Alconox® wash, then
heat in an oven to a temperature of
265o F (130o C) for 15 to 30 minutes.
For both steps, STAINLESS – ½ hour,
BRASS 8 minutes
3) Replacement parts and supplies are
available online.

Soil Sampling Using Direct Push Technology ()
Revision 1 June 7, 2017
PRINTED COPIES ARE UNCONTROLLED. CONTROLLED COPY IS AVAILABLE ON COMPANY INTRANET. 1/2

AECOM – North Carolina Standard Operating Procedures
Soil Sampling Using a Hand Auger

1. Purpose and Scope
Standard operating procedure for the collection of soil samples using a stainless steel hand auger.
2. Procedure
2.1 Required Equipment
 Stainless Steel Hand Auger with extensions
 Gloves (Leather, Latex and/or Nitrile)
 Sample Containers
 Field Logbook
 Sample Labels
 Chain-of-Custody
 Cooler with Ice
 GPS Unit
 Tape Measure
 Bentonite Chips/Portland Cement
 Organic Vapor Analyzer
2.2 Procedure
1. Verify sample collection location, sample identification, and required analyses.
2. Record GPS coordinates as applicable.
3. Assemble clean hand auger and inspect for damage.
4. Don new, uncontaminated gloves.
5. Advance the hand auger into the soil by turning the auger clockwise until the auger bucket is full.
6. Remove the soil from the auger bucket. Use a tape measure to periodically gauge depth of soil boring.
7. Retrieve a sample at interval specified in the scope of work, for screening with an organic vapor analysis
(OVA) meter, such as a photo ionization detector (PID).
8. Samples collected from each boring will be submitted to laboratory for analysis based on the parameters
and goals specific to each work plan.
9. Repeat steps 4 to 7 until the boring termination conditions are met.
10. Backfill soil borings terminated above the water table with native cuttings or bentonite chips. Backfill soil
borings that breach the water table using bentonite.
11. Complete all required documentation, including field logbook entries, soil description, sample container
label, and chain-of-custody form.
12. GPS, flag, stake, or otherwise mark the sample collection locations as necessary.

AECOM
Soil Sampling Using Direct Push Technology ()
Revision 1 June 7, 2017
PRINTED COPIES ARE UNCONTROLLED. CONTROLLED COPY IS AVAILABLE ON COMPANY INTRANET. 2/2

3. Records
a. Field Notes
b. Equipment Calibration
APPENDIX B
LBORATORY ANALYTICAL REPORT

Laboratory's liability in any claim relating to analyses performed shall be limited to, at laboratory's option, repeating the
analysis in question at laboratory's expense, or the refund of the charges paid for performance of said analysis.

7/19/2023
AECOM (Charlotte) Maddy Stone
6000 Fairview Road, Suite 200 Charlotte, NC, 28210
Ref: Analytical Testing
Lab Report Number: 23-131-0028 Client Project Description: Belmont Cleaners
Project#60709305
Dear Maddy Stone:
Waypoint Analytical, LLC (Charlotte) received sample(s) on 5/11/2023 for the analyses presented in the following report.
The above referenced project has been analyzed per your instructions. The analyses were performed in
accordance with the applicable analytical method.
The analytical data has been validated using standard quality control measures performed as required by the analytical method. Quality Assurance, method validations, instrumentation maintenance and calibration for all
parameters were performed in accordance with guidelines established by the USEPA (including 40 CFR 136 Method Update Rule May 2021) unless otherwise indicated. Certain parameters (chlorine, pH, dissolved oxygen, sulfite...) are required to be analyzed within 15 minutes of
sampling. Usually, but not always, any field parameter analyzed at the laboratory is outside of this holding time. Refer to sample analysis time for confirmation of holding time compliance.
The results are shown on the attached Report of Analysis(s). Results for solid matrices are reported on an as-
received basis unless otherwise indicated. This report shall not be reproduced except in full and relates only to the samples included in this report. Please do not hesitate to contact me or client services if you have any questions or need additional information.
Sincerely,
Danyale Love Project Manager
Page 1 of 12
Certification Summary
Laboratory ID: WP CNC: Waypoint Analytical Carolina, Inc. (C), Charlotte, NC
State Program Lab ID Expiration Date
07/31/202337735State ProgramNorth Carolina
12/31/2023402State ProgramNorth Carolina
07/31/202399012State ProgramSouth Carolina
12/31/202299012State ProgramSouth Carolina
Page 1 of 1 00016/23-131-0028
Page 2 of 12
Report Number:
Sample Summary Table
Client Project Description:
23-131-0028
Belmont Cleaners
Project#60709305
Lab No Client Sample ID Matrix Date Collected Date Received
05/09/2023 08:40Air 95945 IA-3 05/11/2023 15:03
05/09/2023 17:03Air 95946 SSV-2 05/11/2023 15:03
Page 3 of 12
Summary of Detected Analytes
QualifiersAnalyzedUnitsResult
Report Number:
Client Sample ID
Method Parameters
Lab Sample ID
23-131-0028
Report Limit
Project:Belmont Cleaners
V 95945IA-3
13.1 05/17/2023 06:45TO-15 Tetrachloroethene µg/m3 0.181
V 95946SSV-2
E26800005/19/2023 03:15TO-15 Tetrachloroethene µg/m3 36.2
1060 05/17/2023 14:34TO-15 Trichloroethene µg/m3 9.91
Page 4 of 12

Client: AECOM (Charlotte) CASE NARRATIVE
Project: Belmont Cleaners Lab Report Number: 23-131-0028
Date: 5/19/2023
Volatile Organic Compounds in Air- GC/MS Method TO-15 Sample 95946 (SSV-2) QC Batch No: V33330
The sample was diluted due to the nature of the sample matrix. Reporting limits have been adjusted accordingly.

Page 5 of 12
,
REPORT OF ANALYSISReport Number :
Project
Information :
NC 28210
23-131-0028
01008
AECOM (Charlotte)
6000 Fairview Road, Suite 200
Maddy Stone
Charlotte
Danyale Love
Project Manager
Project#60709305 Received : 05/11/2023
Belmont Cleaners
Report Date : 07/19/2023
Sample ID :
Lab No :
Sampled:IA-3
95945 Matrix:
5/9/2023 8:40
Air
Analytical Method:
Prep Method:
Test Results Units MDL MQL By Analytical
Batch
Date / Time
Analyzed
DF
TO-15 Prep
TO-15 Prep Batch(es):V33264 05/16/23 09:00
<0.095 µg/m3 0.095 1.98cis-1,2-Dichloroethene 1 05/17/23 06:45 V33274ENM
<0.108 µg/m3 0.108 1.98trans-1,2-Dichloroethene 1 05/17/23 06:45 V33274ENM
13.1 µg/m3 0.181 3.39Tetrachloroethene 1 05/17/23 06:45 V33274ENM
<0.199 µg/m3 0.199 2.15Trichloroethene 1 05/17/23 06:45 V33274ENM
<0.127 µg/m3 0.127 1.28Vinyl Chloride 1 05/17/23 06:45 V33274ENM
Surrogate: 4-Bromofluorobenzene 102 Limits: 70-130%05/17/23 06:451 ENM V33274
Qualifiers/
Definitions
Result above calibration rangeEDilution FactorDF
Method Quantitation LimitMQL
Page 6 of 12
,
REPORT OF ANALYSISReport Number :
Project
Information :
NC 28210
23-131-0028
01008
AECOM (Charlotte)
6000 Fairview Road, Suite 200
Maddy Stone
Charlotte
Danyale Love
Project Manager
Project#60709305 Received : 05/11/2023
Belmont Cleaners
Report Date : 07/19/2023
Sample ID :
Lab No :
Sampled:SSV-2
95946 Matrix:
5/9/2023 17:03
Air
Analytical Method:
Prep Method:
Test Results Units MDL MQL By Analytical
Batch
Date / Time
Analyzed
DF
TO-15 Prep
TO-15 Prep Batch(es):V33316 05/17/23 09:00 V33401 05/18/23 09:00
<4.77 µg/m3 4.77 99.1cis-1,2-Dichloroethene 50 05/17/23 14:34 V33330ENM
<5.40 µg/m3 5.40 99.1trans-1,2-Dichloroethene 50 05/17/23 14:34 V33330ENM
268000 E µg/m3 36.2 678Tetrachloroethene 200 05/19/23 03:15 V33410ENM
1060 µg/m3 9.91 107Trichloroethene 50 05/17/23 14:34 V33330ENM
<6.35 µg/m3 6.35 63.9Vinyl Chloride 50 05/17/23 14:34 V33330ENM
Surrogate: 4-Bromofluorobenzene 98.9 Limits: 70-130%05/19/23 03:15200 ENM V33410
Surrogate: 4-Bromofluorobenzene 95.8 Limits: 70-130%05/17/23 14:3450 ENM V33330
Qualifiers/
Definitions
Result above calibration rangeEDilution FactorDF
Page 7 of 12
Quality Control Data
23-131-0028Report No:
Project Description:
Client ID:AECOM (Charlotte)
Belmont Cleaners
QC Prep Batch Method:
Volatile Organic Compounds in Air- GC/MS
TO-15
V33274QC Analytical Batch(es):
Analysis Method:
Analysis Description:
TO-15 Prep
QC Prep:V33264
Associated Lab Samples: 95945
LRB-V33264 Matrix: AIRLab Reagent Blank
Parameter
AnalyzedMQLMDLBlank
ResultUnits
%
Recovery
% Rec
Limits
05/16/23 10:261.980.095<0.095µg/m3cis-1,2-Dichloroethene
05/16/23 10:261.980.108<0.108µg/m3trans-1,2-Dichloroethene
05/16/23 10:263.390.181<0.181µg/m3Tetrachloroethene
05/16/23 10:262.150.199<0.199µg/m3Trichloroethene
05/16/23 10:261.280.127<0.127µg/m3Vinyl Chloride
05/16/23 10:264-Bromofluorobenzene (S)96.3 70-130
LCS-V33264Laboratory Control Sample
Parameter
LCS %RecLCS
Result
Spike
Conc.Units
% Rec
Limits
12625.019.8µg/m3cis-1,2-Dichloroethene 70-130
13025.719.8µg/m3trans-1,2-Dichloroethene 70-130
12241.433.9µg/m3Tetrachloroethene 70-130
11230.026.9µg/m3Trichloroethene 70-130
12415.912.8µg/m3Vinyl Chloride 70-130
1014-Bromofluorobenzene (S)70-130
Page 1 of 3Date:07/19/2023 12:14 PM
Page 8 of 12
Quality Control Data
23-131-0028Report No:
Project Description:
Client ID:AECOM (Charlotte)
Belmont Cleaners
QC Prep Batch Method:
Volatile Organic Compounds in Air- GC/MS
TO-15
V33330QC Analytical Batch(es):
Analysis Method:
Analysis Description:
TO-15 Prep
QC Prep:V33316
Associated Lab Samples: 95946
LRB-V33316 Matrix: AIRLab Reagent Blank
Parameter
AnalyzedMQLMDLBlank
ResultUnits
%
Recovery
% Rec
Limits
05/17/23 13:451.980.095<0.095µg/m3cis-1,2-Dichloroethene
05/17/23 13:451.980.108<0.108µg/m3trans-1,2-Dichloroethene
05/17/23 13:452.150.199<0.199µg/m3Trichloroethene
05/17/23 13:451.280.127<0.127µg/m3Vinyl Chloride
05/17/23 13:454-Bromofluorobenzene (S)96.9 70-130
LCS-V33316Laboratory Control Sample
Parameter
LCS %RecLCS
Result
Spike
Conc.Units
% Rec
Limits
12925.519.8µg/m3cis-1,2-Dichloroethene 70-130
12625.019.8µg/m3trans-1,2-Dichloroethene 70-130
11932.026.9µg/m3Trichloroethene 70-130
12816.412.8µg/m3Vinyl Chloride 70-130
1024-Bromofluorobenzene (S)70-130
Page 2 of 3Date:07/19/2023 12:14 PM
Page 9 of 12
Quality Control Data
23-131-0028Report No:
Project Description:
Client ID:AECOM (Charlotte)
Belmont Cleaners
QC Prep Batch Method:
Volatile Organic Compounds in Air- GC/MS
TO-15
V33410QC Analytical Batch(es):
Analysis Method:
Analysis Description:
TO-15 Prep
QC Prep:V33401
Associated Lab Samples: 95946
LRB-V33401 Matrix: AIRLab Reagent Blank
Parameter
AnalyzedMQLMDLBlank
ResultUnits
%
Recovery
% Rec
Limits
05/18/23 11:263.390.181<0.181µg/m3Tetrachloroethene
05/18/23 11:264-Bromofluorobenzene (S)97.4 70-130
LCS-V33401Laboratory Control Sample
Parameter
LCS %RecLCS
Result
Spike
Conc.Units
% Rec
Limits
12441.933.9µg/m3Tetrachloroethene 70-130
1024-Bromofluorobenzene (S)70-130
Page 3 of 3Date:07/19/2023 12:14 PM
Page 10 of 12
Fed Ex
UPS
US Postal
Client
Lab
Courier
Other :
Shipment Receipt Form
Customer Number:
Customer Name:
Report Number:23-131-0028
AECOM (Charlotte)
01008
Shipping Method
Shipping container/cooler uncompromised?
Thermometer ID:N/A
Chain of Custody (COC) present?Yes No
Yes No Not Present
Yes No Not Present
Yes No
COC agrees with sample label(s)? Yes No
COC properly completed
Samples in proper containers?
Sample containers intact?
Sufficient sample volume for indicated test(s)?
All samples received within holding time?
Cooler temperature in compliance?
Yes No
Yes No
Yes No
Yes No
Yes No
Yes NoCooler/Samples arrived at the laboratory on ice.
Samples were considered acceptable as cooling
process had begun.
Yes No
Yes No N/A
Yes No N/A
Yes No N/ASoil VOA method 5035 – compliance criteria met
Water - Sample containers properly preserved
Water - VOA vials free of headspace Yes No N/A
Trip Blanks received with VOAs
Low concentration EnCore samplers (48 hr)
High concentration pre-weighed (methanol -14 d) Low conc pre-weighed vials (Sod Bis -14 d)
High concentration container (48 hr)
Custody seals intact on shipping container/cooler?
Custody seals intact on sample bottles?
Number of coolers/boxes received
Yes No
1
Signature:Angelo Norvell Date & Time:05/11/2023 16:41:07
Special precautions or instructions included?
Comments:
Page 11 of 12
Page 12 of 12
08/20/23
Technical Report for
AECOM, INC.
Belmont Cleaners (DC360008), Belmont, NC
60709305
SGS Job Number: JD70971
Sampling Date: 08/11/23
Report to:
AECOM, INC.
6000 Fairview Road Suite 200
Charlotte, NC 28210
[e-mail]; [e-mail]
ATTN: Madalyn Stone
Total number of pages in report:
Certifications: NJ(12129), NY(10983), CA, CT, FL, IL, IN, KS, KY, LA, MA, MD, ME, MN, NC,
OH VAP (CL0056), AK (UST-103), AZ (AZ0786), PA(68-00408), RI, SC, TX, UT, VA, WV
This report shall not be reproduced, except in its entirety, without the written approval of SGS.
Test results relate only to samples analyzed.
SGS North America Inc.  2235 Route 130  Dayton, NJ 08810  tel: [phone] 
Test results contained within this data package meet the requirements
of the National Environmental Laboratory Accreditation Program
and/or state specific certification programs as applicable unless noted
in the narrative, comments or footnotes.
Client Service contact: Beth Stopen 732-329-0200
David Chastain
General Manager
Dayton, NJ 08/20/23
e-Hardcopy 2.0
Automated Report
35
SGS is the sole authority for authorizing edits or modifications to this document.
Unauthorized modification of this report is strictly prohibited.
Review standard terms at: http://www.sgs.com/en/terms-and-conditions
The results set forth herein are provided by SGS North America Inc.
Please share your ideas about
how we can serve you better at:
[e-mail]
1 of 35
JD70971
Table of Contents
-1-
Sections:
Section 1: Sample Summary ...................................................................................................3
Section 2: Case Narrative/Conformance Summary ..............................................................4
Section 3: Summary of Hits ....................................................................................................6
Section 4: Sample Results ........................................................................................................7
4.1: JD70971-1: SB-17 (0-1) ...............................................................................................8
4.2: JD70971-2: SB-17 (4-5) ...............................................................................................10
Section 5: Misc. Forms ............................................................................................................12
5.1: Chain of Custody ...........................................................................................................13
Section 6: MS Volatiles - QC Data Summaries .....................................................................15
6.1: Method Blank Summary ................................................................................................16
6.2: Blank Spike Summary ...................................................................................................20
6.3: Matrix Spike Summary ..................................................................................................24
6.4: Duplicate Summary .......................................................................................................28
6.5: Instrument Performance Checks (BFB) .........................................................................32
6.6: Surrogate Recovery Summaries .....................................................................................35
1
2
3
4
5
6
2 of 35
JD70971
SGS North America Inc.
Sample Summary
AECOM, INC.
Job No:JD70971
Belmont Cleaners (DC360008), Belmont, NC
Project No: 60709305
Sample Collected Matrix Client
Number Date Time By Received Code Type Sample ID
This report contains results reported as ND = Not detected. The following applies:
Organics ND = Not detected above the MDL
JD70971-1 08/11/23 11:10 EL 08/12/23 SO Soil SB-17 (0-1)
JD70971-2 08/11/23 11:20 EL 08/12/23 SO Soil SB-17 (4-5)
Soil samples reported on a dry weight basis unless otherwise indicated on result page.
3 of 35
JD70971
1
On 08/12/2023, 2 sample(s), 0 Trip Blank(s), and 0 Field Blank(s) were received at SGS North America Inc. (SGS) at a temperature
of 2.1 °C. The samples were intact and properly preserved, unless noted below. An SGS Job Number of JD70971 was assigned to
the project. The lab sample ID, client sample ID, and date of sample collection are detailed in the report’s Results Summary.
Specified quality control criteria were achieved for this job except as noted below. For more information, please refer to the
analytical results and QC summary pages.
Client:AECOM, INC.
Site:Belmont Cleaners (DC360008), Belmont, NC
Job No:JD70971
Report Date 8/21/2023 2:50:14 AM
CASE NARRATIVE / CONFORMANCE SUMMARY
MS Volatiles By Method SW846 8260D
Matrix:SO Batch ID:VI10209
All samples were analyzed within the recommended method holding time.
Sample(s) JD70995-1MS, JD70995-2DUP, JD70995-1MS were used as the QC samples indicated.
All method blanks for this batch meet method specific criteria.
The matrix spike (MS) recovery(s) of Cyclohexane, Isopropylbenzene are outside control limits. Outside control limits due to
high level in sample relative to spike amount.
The matrix spike (MS) recovery(s) of Methylcyclohexane are outside control limits. Outside control limits due to high level in
sample relative to spike amount.
The duplicate RPD(s) for Isopropylbenzene, Methylene chloride are outside control limits for sample JD70995-2DUP. High
RPD due to possible sample nonhomogeneity.
JD70971-2 for 2-Butanone (MEK): Associated CCV outside of control limits high, sample was ND.
JD70995-1MS for Isopropylbenzene: Outside control limits due to matrix interference.
JD70971-2 for 2-Hexanone: Associated CCV outside of control limits high, sample was ND.
JD70971-2 for Acetone: Associated CCV outside of control limits high.
Matrix:SO Batch ID:VY8834
All samples were analyzed within the recommended method holding time.
All method blanks for this batch meet method specific criteria.
Sample(s) JD70914-1MS, JD70914-2DUP were used as the QC samples indicated.
The duplicate RPD(s) for Acetone are outside control limits for sample JD70914-2DUP. High RPD due to possible sample
nonhomogeneity.
JD70971-1 for Methyl Acetate: Associated CCV outside of control limits low. A sensitivity check was analyzed to demonstrate
system suitability to detect affected analyte. Sample was ND.
JD70971-1 for Chloromethane: Associated CCV outside of control limits low. A sensitivity check was analyzed to demonstrate
system suitability to detect affected analyte. Sample was ND.
General Chemistry By Method SM2540 G 18TH ED MOD
Matrix:SO Batch ID:GN44738
Sample(s) JD70941-1DUP were used as the QC samples for the Solids, Percent analysis.
Monday, August 21, 2023 Page 1 of 2
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SGS certifies that data reported for samples received, listed on the associated custody chain or analytical task order, were produced
to specifications meeting SGS's Quality System precision, accuracy and completeness objectives except as noted.
Estimated non-standard method measurement uncertainty data is available on request, based on quality control bias and implicit for
standard methods. Acceptable uncertainty requires tested parameter quality control data to meet method criteria.
SGS is not responsible for data quality assumptions if partial reports are used and recommends that this report be used in its entirety.
This report is authorized by SGS indicated via signature on the report cover.
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Summary of Hits Page 1 of 1
Job Number:JD70971
Account:AECOM, INC.
Project:Belmont Cleaners (DC360008), Belmont, NC
Collected:08/11/23
Lab Sample ID Client Sample ID Result/
Analyte Qual RL MDL Units Method
JD70971-1 SB-17 (0-1)
No hits reported in this sample.
JD70971-2 SB-17 (4-5)
Acetone a 4.2 J 9.4 3.9 ug/kg SW846 8260D
Methyl Acetate 19.4 4.7 1.3 ug/kg SW846 8260D
Toluene 0.93 J 0.94 0.49 ug/kg SW846 8260D
(a) Associated CCV outside of control limits high.
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Sample Results
Report of Analysis
Dayton, NJ
Section 4
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Report of Analysis Page 1 of 2
Client Sample ID:SB-17 (0-1)
Lab Sample ID:JD70971-1 Date Sampled:08/11/23
Matrix:SO - Soil Date Received:08/12/23
Method:SW846 8260D Percent Solids:84.7
Project:Belmont Cleaners (DC360008), Belmont, NC
File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
Run #1 Y202595.D 1 08/14/23 20:46 PS n/a n/a VY8834
Run #2
Initial Weight
Run #1 6.1 g
Run #2
VOA TCL List
CAS No.Compound Result RL MDL Units Q
67-64-1 Acetone ND 9.7 4.0 ug/kg
71-43-2 Benzene ND 0.48 0.44 ug/kg
74-97-5 Bromochloromethane ND 4.8 0.54 ug/kg
75-27-4 Bromodichloromethane ND 1.9 0.42 ug/kg
75-25-2 Bromoform ND 4.8 1.3 ug/kg
74-83-9 Bromomethane ND 4.8 0.74 ug/kg
78-93-3 2-Butanone (MEK)ND 9.7 2.4 ug/kg
75-15-0 Carbon disulfide ND 1.9 0.52 ug/kg
56-23-5 Carbon tetrachloride ND 1.9 0.60 ug/kg
108-90-7 Chlorobenzene ND 1.9 0.44 ug/kg
75-00-3 Chloroethane ND 4.8 0.57 ug/kg
67-66-3 Chloroform ND 1.9 0.50 ug/kg
74-87-3 Chloromethane a ND 4.8 1.9 ug/kg
110-82-7 Cyclohexane ND 1.9 0.64 ug/kg
96-12-8 1,2-Dibromo-3-chloropropane ND 1.9 0.67 ug/kg
124-48-1 Dibromochloromethane ND 1.9 0.54 ug/kg
106-93-4 1,2-Dibromoethane ND 0.97 0.41 ug/kg
95-50-1 1,2-Dichlorobenzene ND 0.97 0.53 ug/kg
541-73-1 1,3-Dichlorobenzene ND 0.97 0.48 ug/kg
106-46-7 1,4-Dichlorobenzene ND 0.97 0.48 ug/kg
75-71-8 Dichlorodifluoromethane ND 4.8 0.70 ug/kg
75-34-3 1,1-Dichloroethane ND 0.97 0.48 ug/kg
107-06-2 1,2-Dichloroethane ND 0.97 0.45 ug/kg
75-35-4 1,1-Dichloroethene ND 0.97 0.63 ug/kg
156-59-2 cis-1,2-Dichloroethene ND 0.97 0.81 ug/kg
156-60-5 trans-1,2-Dichloroethene ND 0.97 0.59 ug/kg
78-87-5 1,2-Dichloropropane ND 1.9 0.46 ug/kg
10061-01-5 cis-1,3-Dichloropropene ND 1.9 0.46 ug/kg
10061-02-6 trans-1,3-Dichloropropene ND 1.9 0.44 ug/kg
100-41-4 Ethylbenzene ND 0.97 0.44 ug/kg
76-13-1 Freon 113 ND 4.8 2.6 ug/kg
591-78-6 2-Hexanone ND 4.8 2.1 ug/kg
ND = Not detected MDL = Method Detection Limit J = Indicates an estimated value
RL = Reporting Limit B = Indicates analyte found in associated method blank
E = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound
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Report of Analysis Page 2 of 2
Client Sample ID:SB-17 (0-1)
Lab Sample ID:JD70971-1 Date Sampled:08/11/23
Matrix:SO - Soil Date Received:08/12/23
Method:SW846 8260D Percent Solids:84.7
Project:Belmont Cleaners (DC360008), Belmont, NC
VOA TCL List
CAS No.Compound Result RL MDL Units Q
98-82-8 Isopropylbenzene ND 1.9 1.4 ug/kg
79-20-9 Methyl Acetate a ND 4.8 1.3 ug/kg
108-87-2 Methylcyclohexane ND 1.9 0.85 ug/kg
1634-04-4 Methyl Tert Butyl Ether ND 0.97 0.45 ug/kg
108-10-1 4-Methyl-2-pentanone(MIBK)ND 4.8 2.2 ug/kg
75-09-2 Methylene chloride ND 4.8 2.5 ug/kg
100-42-5 Styrene ND 1.9 0.39 ug/kg
79-34-5 1,1,2,2-Tetrachloroethane ND 1.9 0.58 ug/kg
127-18-4 Tetrachloroethene ND 1.9 0.56 ug/kg
108-88-3 Toluene ND 0.97 0.51 ug/kg
87-61-6 1,2,3-Trichlorobenzene ND 4.8 2.4 ug/kg
120-82-1 1,2,4-Trichlorobenzene ND 4.8 2.4 ug/kg
71-55-6 1,1,1-Trichloroethane ND 1.9 0.47 ug/kg
79-00-5 1,1,2-Trichloroethane ND 1.9 0.54 ug/kg
79-01-6 Trichloroethene ND 0.97 0.74 ug/kg
75-69-4 Trichlorofluoromethane ND 4.8 0.66 ug/kg
75-01-4 Vinyl chloride ND 1.9 0.47 ug/kg
m,p-Xylene ND 0.97 0.87 ug/kg
95-47-6 o-Xylene ND 0.97 0.44 ug/kg
1330-20-7 Xylene (total)ND 0.97 0.44 ug/kg
CAS No.Surrogate Recoveries Run# 1 Run# 2 Limits
1868-53-7 Dibromofluoromethane 105%80-124%
17060-07-0 1,2-Dichloroethane-D4 99%75-133%
2037-26-5 Toluene-D8 98%79-125%
460-00-4 4-Bromofluorobenzene 95%58-148%
(a) Associated CCV outside of control limits low. A sensitivity check was analyzed to demonstrate system
suitability to detect affected analyte. Sample was ND.
ND = Not detected MDL = Method Detection Limit J = Indicates an estimated value
RL = Reporting Limit B = Indicates analyte found in associated method blank
E = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound
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Report of Analysis Page 1 of 2
Client Sample ID:SB-17 (4-5)
Lab Sample ID:JD70971-2 Date Sampled:08/11/23
Matrix:SO - Soil Date Received:08/12/23
Method:SW846 8260D Percent Solids:87.3
Project:Belmont Cleaners (DC360008), Belmont, NC
File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
Run #1 I251505.D 1 08/15/23 12:34 PS n/a n/a VI10209
Run #2
Initial Weight
Run #1 6.1 g
Run #2
VOA TCL List
CAS No.Compound Result RL MDL Units Q
67-64-1 Acetone a 4.2 9.4 3.9 ug/kg J
71-43-2 Benzene ND 0.47 0.43 ug/kg
74-97-5 Bromochloromethane ND 4.7 0.53 ug/kg
75-27-4 Bromodichloromethane ND 1.9 0.40 ug/kg
75-25-2 Bromoform ND 4.7 1.3 ug/kg
74-83-9 Bromomethane ND 4.7 0.72 ug/kg
78-93-3 2-Butanone (MEK) b ND 9.4 2.3 ug/kg
75-15-0 Carbon disulfide ND 1.9 0.50 ug/kg
56-23-5 Carbon tetrachloride ND 1.9 0.58 ug/kg
108-90-7 Chlorobenzene ND 1.9 0.43 ug/kg
75-00-3 Chloroethane ND 4.7 0.55 ug/kg
67-66-3 Chloroform ND 1.9 0.49 ug/kg
74-87-3 Chloromethane ND 4.7 1.8 ug/kg
110-82-7 Cyclohexane ND 1.9 0.62 ug/kg
96-12-8 1,2-Dibromo-3-chloropropane ND 1.9 0.65 ug/kg
124-48-1 Dibromochloromethane ND 1.9 0.53 ug/kg
106-93-4 1,2-Dibromoethane ND 0.94 0.40 ug/kg
95-50-1 1,2-Dichlorobenzene ND 0.94 0.51 ug/kg
541-73-1 1,3-Dichlorobenzene ND 0.94 0.47 ug/kg
106-46-7 1,4-Dichlorobenzene ND 0.94 0.46 ug/kg
75-71-8 Dichlorodifluoromethane ND 4.7 0.68 ug/kg
75-34-3 1,1-Dichloroethane ND 0.94 0.46 ug/kg
107-06-2 1,2-Dichloroethane ND 0.94 0.44 ug/kg
75-35-4 1,1-Dichloroethene ND 0.94 0.61 ug/kg
156-59-2 cis-1,2-Dichloroethene ND 0.94 0.79 ug/kg
156-60-5 trans-1,2-Dichloroethene ND 0.94 0.57 ug/kg
78-87-5 1,2-Dichloropropane ND 1.9 0.44 ug/kg
10061-01-5 cis-1,3-Dichloropropene ND 1.9 0.45 ug/kg
10061-02-6 trans-1,3-Dichloropropene ND 1.9 0.43 ug/kg
100-41-4 Ethylbenzene ND 0.94 0.43 ug/kg
76-13-1 Freon 113 ND 4.7 2.5 ug/kg
591-78-6 2-Hexanone b ND 4.7 2.0 ug/kg
ND = Not detected MDL = Method Detection Limit J = Indicates an estimated value
RL = Reporting Limit B = Indicates analyte found in associated method blank
E = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound
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Report of Analysis Page 2 of 2
Client Sample ID:SB-17 (4-5)
Lab Sample ID:JD70971-2 Date Sampled:08/11/23
Matrix:SO - Soil Date Received:08/12/23
Method:SW846 8260D Percent Solids:87.3
Project:Belmont Cleaners (DC360008), Belmont, NC
VOA TCL List
CAS No.Compound Result RL MDL Units Q
98-82-8 Isopropylbenzene ND 1.9 1.3 ug/kg
79-20-9 Methyl Acetate 19.4 4.7 1.3 ug/kg
108-87-2 Methylcyclohexane ND 1.9 0.82 ug/kg
1634-04-4 Methyl Tert Butyl Ether ND 0.94 0.44 ug/kg
108-10-1 4-Methyl-2-pentanone(MIBK)ND 4.7 2.1 ug/kg
75-09-2 Methylene chloride ND 4.7 2.5 ug/kg
100-42-5 Styrene ND 1.9 0.38 ug/kg
79-34-5 1,1,2,2-Tetrachloroethane ND 1.9 0.56 ug/kg
127-18-4 Tetrachloroethene ND 1.9 0.54 ug/kg
108-88-3 Toluene 0.93 0.94 0.49 ug/kg J
87-61-6 1,2,3-Trichlorobenzene ND 4.7 2.3 ug/kg
120-82-1 1,2,4-Trichlorobenzene ND 4.7 2.3 ug/kg
71-55-6 1,1,1-Trichloroethane ND 1.9 0.45 ug/kg
79-00-5 1,1,2-Trichloroethane ND 1.9 0.52 ug/kg
79-01-6 Trichloroethene ND 0.94 0.72 ug/kg
75-69-4 Trichlorofluoromethane ND 4.7 0.64 ug/kg
75-01-4 Vinyl chloride ND 1.9 0.45 ug/kg
m,p-Xylene ND 0.94 0.84 ug/kg
95-47-6 o-Xylene ND 0.94 0.43 ug/kg
1330-20-7 Xylene (total)ND 0.94 0.43 ug/kg
CAS No.Surrogate Recoveries Run# 1 Run# 2 Limits
1868-53-7 Dibromofluoromethane 106%80-124%
17060-07-0 1,2-Dichloroethane-D4 105%75-133%
2037-26-5 Toluene-D8 99%79-125%
460-00-4 4-Bromofluorobenzene 95%58-148%
(a) Associated CCV outside of control limits high.
(b) Associated CCV outside of control limits high, sample was ND.
ND = Not detected MDL = Method Detection Limit J = Indicates an estimated value
RL = Reporting Limit B = Indicates analyte found in associated method blank
E = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound
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SGS North America Inc.
Misc. Forms
Custody Documents and Other Forms
Includes the following where applicable:
 Chain of Custody
Dayton, NJ
Section 5
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JD70971: Chain of Custody
Page 1 of 2
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JD70971
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Job Number:JD70971 Client:AECOM
Date / Time Received:8/12/2023 9:40:00 AM Delivery Method:FED EX
Project:BELMONT CLEANERS (DC360008), NC
4. No. Coolers:1
Airbill #'s:
Cooler Security
1. Custody Seals Present:
Y or N
2. Custody Seals Intact:
3. COC Present:
4. Smpl Dates/Time OK
2. Cooler temp verification:
Cooler Temperature Y or N
1. Temp criteria achieved:
3. Cooler media:
IR Gun 40
Ice (Bag)
Quality Control Preservation Y or N N/A
1. Trip Blank present / cooler:
2. Trip Blank listed on COC:
3. Samples preserved properly:
4. VOCs headspace free:
Sample Integrity - Documentation Y or N
1. Sample labels present on bottles:
2. Container labeling complete:
3. Sample container label / COC agree:
Sample Integrity - Condition Y or N
1. Sample recvd within HT:
3. Condition of sample:
2. All containers accounted for:
Sample Integrity - Instructions
1. Analysis requested is clear:
2. Bottles received for unspecified tests
3. Sufficient volume recvd for analysis:
4. Compositing instructions clear:
5. Filtering instructions clear:
Intact
Y or N
Comments
Y or N N/A
Cooler Temps (Raw Measured) °C:
Cooler Temps (Corrected) °C:
Cooler 1: (2.4);
Cooler 1: (2.1);
SM089-03
Rev. Date 12/7/17
SGS Sample Receipt Summary
Test Strip Lot #s:pH 1-12:231619 pH 12+:203117A Other: (Specify)
JD70971: Chain of Custody
Page 2 of 2
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SGS North America Inc.
MS Volatiles
QC Data Summaries
Includes the following where applicable:
 Method Blank Summaries
 Blank Spike Summaries
 Matrix Spike and Duplicate Summaries
 Instrument Performance Checks (BFB)
 Surrogate Recovery Summaries
Dayton, NJ
Section 6
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Method Blank Summary Page 1 of 2
Job Number:JD70971
Account:URSNCC AECOM, INC.
Project:Belmont Cleaners (DC360008), Belmont, NC
Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
VY8834-MB Y202572.D 1 08/14/23 PS n/a n/a VY8834
The QC reported here applies to the following samples:Method: SW846 8260D
JD70971-1
CAS No.Compound Result RL MDL Units Q
67-64-1 Acetone ND 10 4.1 ug/kg
71-43-2 Benzene ND 0.50 0.46 ug/kg
74-97-5 Bromochloromethane ND 5.0 0.56 ug/kg
75-27-4 Bromodichloromethane ND 2.0 0.43 ug/kg
75-25-2 Bromoform ND 5.0 1.4 ug/kg
74-83-9 Bromomethane ND 5.0 0.76 ug/kg
78-93-3 2-Butanone (MEK)ND 10 2.4 ug/kg
75-15-0 Carbon disulfide ND 2.0 0.54 ug/kg
56-23-5 Carbon tetrachloride ND 2.0 0.62 ug/kg
108-90-7 Chlorobenzene ND 2.0 0.46 ug/kg
75-00-3 Chloroethane ND 5.0 0.59 ug/kg
67-66-3 Chloroform ND 2.0 0.52 ug/kg
74-87-3 Chloromethane ND 5.0 2.0 ug/kg
110-82-7 Cyclohexane ND 2.0 0.66 ug/kg
96-12-8 1,2-Dibromo-3-chloropropane ND 2.0 0.69 ug/kg
124-48-1 Dibromochloromethane ND 2.0 0.56 ug/kg
106-93-4 1,2-Dibromoethane ND 1.0 0.42 ug/kg
95-50-1 1,2-Dichlorobenzene ND 1.0 0.55 ug/kg
541-73-1 1,3-Dichlorobenzene ND 1.0 0.50 ug/kg
106-46-7 1,4-Dichlorobenzene ND 1.0 0.49 ug/kg
75-71-8 Dichlorodifluoromethane ND 5.0 0.73 ug/kg
75-34-3 1,1-Dichloroethane ND 1.0 0.50 ug/kg
107-06-2 1,2-Dichloroethane ND 1.0 0.47 ug/kg
75-35-4 1,1-Dichloroethene ND 1.0 0.66 ug/kg
156-59-2 cis-1,2-Dichloroethene ND 1.0 0.84 ug/kg
156-60-5 trans-1,2-Dichloroethene ND 1.0 0.61 ug/kg
78-87-5 1,2-Dichloropropane ND 2.0 0.47 ug/kg
10061-01-5 cis-1,3-Dichloropropene ND 2.0 0.48 ug/kg
10061-02-6 trans-1,3-Dichloropropene ND 2.0 0.46 ug/kg
100-41-4 Ethylbenzene ND 1.0 0.45 ug/kg
76-13-1 Freon 113 ND 5.0 2.7 ug/kg
591-78-6 2-Hexanone ND 5.0 2.1 ug/kg
98-82-8 Isopropylbenzene ND 2.0 1.4 ug/kg
79-20-9 Methyl Acetate ND 5.0 1.4 ug/kg
108-87-2 Methylcyclohexane ND 2.0 0.88 ug/kg
1634-04-4 Methyl Tert Butyl Ether ND 1.0 0.47 ug/kg
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Method Blank Summary Page 2 of 2
Job Number:JD70971
Account:URSNCC AECOM, INC.
Project:Belmont Cleaners (DC360008), Belmont, NC
Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
VY8834-MB Y202572.D 1 08/14/23 PS n/a n/a VY8834
The QC reported here applies to the following samples:Method: SW846 8260D
JD70971-1
CAS No.Compound Result RL MDL Units Q
108-10-1 4-Methyl-2-pentanone(MIBK)ND 5.0 2.3 ug/kg
75-09-2 Methylene chloride ND 5.0 2.6 ug/kg
100-42-5 Styrene ND 2.0 0.40 ug/kg
79-34-5 1,1,2,2-Tetrachloroethane ND 2.0 0.60 ug/kg
127-18-4 Tetrachloroethene ND 2.0 0.58 ug/kg
108-88-3 Toluene ND 1.0 0.53 ug/kg
87-61-6 1,2,3-Trichlorobenzene ND 5.0 2.5 ug/kg
120-82-1 1,2,4-Trichlorobenzene ND 5.0 2.5 ug/kg
71-55-6 1,1,1-Trichloroethane ND 2.0 0.48 ug/kg
79-00-5 1,1,2-Trichloroethane ND 2.0 0.55 ug/kg
79-01-6 Trichloroethene ND 1.0 0.76 ug/kg
75-69-4 Trichlorofluoromethane ND 5.0 0.68 ug/kg
75-01-4 Vinyl chloride ND 2.0 0.48 ug/kg
m,p-Xylene ND 1.0 0.90 ug/kg
95-47-6 o-Xylene ND 1.0 0.46 ug/kg
1330-20-7 Xylene (total)ND 1.0 0.46 ug/kg
CAS No.Surrogate Recoveries Limits
1868-53-7 Dibromofluoromethane 101%80-124%
17060-07-0 1,2-Dichloroethane-D4 94%75-133%
2037-26-5 Toluene-D8 97%79-125%
460-00-4 4-Bromofluorobenzene 95%58-148%
CAS No.Tentatively Identified Compounds R.T.Est. Conc.Units Q
Total TIC, Volatile 0 ug/kg
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Method Blank Summary Page 1 of 2
Job Number:JD70971
Account:URSNCC AECOM, INC.
Project:Belmont Cleaners (DC360008), Belmont, NC
Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
VI10209-MB I251504.D 1 08/15/23 PS n/a n/a VI10209
The QC reported here applies to the following samples:Method: SW846 8260D
JD70971-2
CAS No.Compound Result RL MDL Units Q
67-64-1 Acetone ND 10 4.1 ug/kg
71-43-2 Benzene ND 0.50 0.46 ug/kg
74-97-5 Bromochloromethane ND 5.0 0.56 ug/kg
75-27-4 Bromodichloromethane ND 2.0 0.43 ug/kg
75-25-2 Bromoform ND 5.0 1.4 ug/kg
74-83-9 Bromomethane 0.81 5.0 0.76 ug/kg J
78-93-3 2-Butanone (MEK)ND 10 2.4 ug/kg
75-15-0 Carbon disulfide ND 2.0 0.54 ug/kg
56-23-5 Carbon tetrachloride ND 2.0 0.62 ug/kg
108-90-7 Chlorobenzene ND 2.0 0.46 ug/kg
75-00-3 Chloroethane ND 5.0 0.59 ug/kg
67-66-3 Chloroform ND 2.0 0.52 ug/kg
74-87-3 Chloromethane ND 5.0 2.0 ug/kg
110-82-7 Cyclohexane ND 2.0 0.66 ug/kg
96-12-8 1,2-Dibromo-3-chloropropane ND 2.0 0.69 ug/kg
124-48-1 Dibromochloromethane ND 2.0 0.56 ug/kg
106-93-4 1,2-Dibromoethane ND 1.0 0.42 ug/kg
95-50-1 1,2-Dichlorobenzene ND 1.0 0.55 ug/kg
541-73-1 1,3-Dichlorobenzene ND 1.0 0.50 ug/kg
106-46-7 1,4-Dichlorobenzene ND 1.0 0.49 ug/kg
75-71-8 Dichlorodifluoromethane ND 5.0 0.73 ug/kg
75-34-3 1,1-Dichloroethane ND 1.0 0.50 ug/kg
107-06-2 1,2-Dichloroethane ND 1.0 0.47 ug/kg
75-35-4 1,1-Dichloroethene ND 1.0 0.66 ug/kg
156-59-2 cis-1,2-Dichloroethene ND 1.0 0.84 ug/kg
156-60-5 trans-1,2-Dichloroethene ND 1.0 0.61 ug/kg
78-87-5 1,2-Dichloropropane ND 2.0 0.47 ug/kg
10061-01-5 cis-1,3-Dichloropropene ND 2.0 0.48 ug/kg
10061-02-6 trans-1,3-Dichloropropene ND 2.0 0.46 ug/kg
100-41-4 Ethylbenzene ND 1.0 0.45 ug/kg
76-13-1 Freon 113 ND 5.0 2.7 ug/kg
591-78-6 2-Hexanone ND 5.0 2.1 ug/kg
98-82-8 Isopropylbenzene ND 2.0 1.4 ug/kg
79-20-9 Methyl Acetate ND 5.0 1.4 ug/kg
108-87-2 Methylcyclohexane ND 2.0 0.88 ug/kg
1634-04-4 Methyl Tert Butyl Ether ND 1.0 0.47 ug/kg
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Job Number:JD70971
Account:URSNCC AECOM, INC.
Project:Belmont Cleaners (DC360008), Belmont, NC
Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
VI10209-MB I251504.D 1 08/15/23 PS n/a n/a VI10209
The QC reported here applies to the following samples:Method: SW846 8260D
JD70971-2
CAS No.Compound Result RL MDL Units Q
108-10-1 4-Methyl-2-pentanone(MIBK)ND 5.0 2.3 ug/kg
75-09-2 Methylene chloride ND 5.0 2.6 ug/kg
100-42-5 Styrene ND 2.0 0.40 ug/kg
79-34-5 1,1,2,2-Tetrachloroethane ND 2.0 0.60 ug/kg
127-18-4 Tetrachloroethene ND 2.0 0.58 ug/kg
108-88-3 Toluene ND 1.0 0.53 ug/kg
87-61-6 1,2,3-Trichlorobenzene ND 5.0 2.5 ug/kg
120-82-1 1,2,4-Trichlorobenzene ND 5.0 2.5 ug/kg
71-55-6 1,1,1-Trichloroethane ND 2.0 0.48 ug/kg
79-00-5 1,1,2-Trichloroethane ND 2.0 0.55 ug/kg
79-01-6 Trichloroethene ND 1.0 0.76 ug/kg
75-69-4 Trichlorofluoromethane ND 5.0 0.68 ug/kg
75-01-4 Vinyl chloride ND 2.0 0.48 ug/kg
m,p-Xylene ND 1.0 0.90 ug/kg
95-47-6 o-Xylene ND 1.0 0.46 ug/kg
1330-20-7 Xylene (total)ND 1.0 0.46 ug/kg
CAS No.Surrogate Recoveries Limits
1868-53-7 Dibromofluoromethane 106%80-124%
17060-07-0 1,2-Dichloroethane-D4 98%75-133%
2037-26-5 Toluene-D8 101%79-125%
460-00-4 4-Bromofluorobenzene 95%58-148%
CAS No.Tentatively Identified Compounds R.T.Est. Conc.Units Q
Total TIC, Volatile 0 ug/kg
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Job Number:JD70971
Account:URSNCC AECOM, INC.
Project:Belmont Cleaners (DC360008), Belmont, NC
Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
VY8834-BS Y202570.D 1 08/14/23 PS n/a n/a VY8834
The QC reported here applies to the following samples:Method: SW846 8260D
JD70971-1
Spike BSP BSP
CAS No.Compound ug/kg ug/kg %Limits
67-64-1 Acetone 200 186 93 52-156
71-43-2 Benzene 50 46.1 92 82-119
74-97-5 Bromochloromethane 50 53.1 106 82-123
75-27-4 Bromodichloromethane 50 49.3 99 83-121
75-25-2 Bromoform 50 48.8 98 74-138
74-83-9 Bromomethane 50 49.9 100 56-150
78-93-3 2-Butanone (MEK)200 196 98 72-138
75-15-0 Carbon disulfide 50 48.5 97 67-131
56-23-5 Carbon tetrachloride 50 48.6 97 72-130
108-90-7 Chlorobenzene 50 48.3 97 83-114
75-00-3 Chloroethane 50 47.5 95 67-141
67-66-3 Chloroform 50 43.5 87 76-115
74-87-3 Chloromethane 50 37.3 75 57-141
110-82-7 Cyclohexane 50 46.9 94 69-130
96-12-8 1,2-Dibromo-3-chloropropane 50 46.7 93 72-131
124-48-1 Dibromochloromethane 50 49.2 98 80-128
106-93-4 1,2-Dibromoethane 50 48.3 97 58-145
95-50-1 1,2-Dichlorobenzene 50 46.6 93 83-117
541-73-1 1,3-Dichlorobenzene 50 47.5 95 82-114
106-46-7 1,4-Dichlorobenzene 50 49.0 98 79-114
75-71-8 Dichlorodifluoromethane 50 55.9 112 49-146
75-34-3 1,1-Dichloroethane 50 47.0 94 76-126
107-06-2 1,2-Dichloroethane 50 44.0 88 76-118
75-35-4 1,1-Dichloroethene 50 45.1 90 72-125
156-59-2 cis-1,2-Dichloroethene 50 51.2 102 80-118
156-60-5 trans-1,2-Dichloroethene 50 48.6 97 76-122
78-87-5 1,2-Dichloropropane 50 49.3 99 82-123
10061-01-5 cis-1,3-Dichloropropene 50 51.2 102 83-123
10061-02-6 trans-1,3-Dichloropropene 50 47.9 96 83-123
100-41-4 Ethylbenzene 50 45.3 91 83-115
76-13-1 Freon 113 50 49.3 99 65-132
591-78-6 2-Hexanone 200 171 86 73-138
98-82-8 Isopropylbenzene 50 44.7 89 81-122
79-20-9 Methyl Acetate 50 39.7 79 63-142
108-87-2 Methylcyclohexane 50 46.5 93 73-126
1634-04-4 Methyl Tert Butyl Ether 50 49.1 98 75-126
* = Outside of Control Limits.
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Blank Spike Summary Page 2 of 2
Job Number:JD70971
Account:URSNCC AECOM, INC.
Project:Belmont Cleaners (DC360008), Belmont, NC
Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
VY8834-BS Y202570.D 1 08/14/23 PS n/a n/a VY8834
The QC reported here applies to the following samples:Method: SW846 8260D
JD70971-1
Spike BSP BSP
CAS No.Compound ug/kg ug/kg %Limits
108-10-1 4-Methyl-2-pentanone(MIBK)200 188 94 71-138
75-09-2 Methylene chloride 50 40.8 82 73-122
100-42-5 Styrene 50 47.2 94 84-122
79-34-5 1,1,2,2-Tetrachloroethane 50 46.5 93 75-127
127-18-4 Tetrachloroethene 50 50.3 101 73-125
108-88-3 Toluene 50 49.2 98 82-118
87-61-6 1,2,3-Trichlorobenzene 50 50.5 101 68-132
120-82-1 1,2,4-Trichlorobenzene 50 50.9 102 72-133
71-55-6 1,1,1-Trichloroethane 50 49.7 99 77-124
79-00-5 1,1,2-Trichloroethane 50 48.0 96 83-122
79-01-6 Trichloroethene 50 51.2 102 80-122
75-69-4 Trichlorofluoromethane 50 46.5 93 69-132
75-01-4 Vinyl chloride 50 49.3 99 60-144
m,p-Xylene 100 94.5 95 82-119
95-47-6 o-Xylene 50 46.8 94 84-120
1330-20-7 Xylene (total)150 141 94 83-119
CAS No.Surrogate Recoveries BSP Limits
1868-53-7 Dibromofluoromethane 100%80-124%
17060-07-0 1,2-Dichloroethane-D4 88%75-133%
2037-26-5 Toluene-D8 97%79-125%
460-00-4 4-Bromofluorobenzene 96%58-148%
* = Outside of Control Limits.
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Job Number:JD70971
Account:URSNCC AECOM, INC.
Project:Belmont Cleaners (DC360008), Belmont, NC
Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
VI10209-BS I251502.D 1 08/15/23 PS n/a n/a VI10209
The QC reported here applies to the following samples:Method: SW846 8260D
JD70971-2
Spike BSP BSP
CAS No.Compound ug/kg ug/kg %Limits
67-64-1 Acetone 200 274 137 52-156
71-43-2 Benzene 50 47.3 95 82-119
74-97-5 Bromochloromethane 50 49.5 99 82-123
75-27-4 Bromodichloromethane 50 47.9 96 83-121
75-25-2 Bromoform 50 47.5 95 74-138
74-83-9 Bromomethane 50 43.6 87 56-150
78-93-3 2-Butanone (MEK)200 261 131 72-138
75-15-0 Carbon disulfide 50 44.5 89 67-131
56-23-5 Carbon tetrachloride 50 46.7 93 72-130
108-90-7 Chlorobenzene 50 44.9 90 83-114
75-00-3 Chloroethane 50 46.5 93 67-141
67-66-3 Chloroform 50 41.4 83 76-115
74-87-3 Chloromethane 50 45.9 92 57-141
110-82-7 Cyclohexane 50 48.7 97 69-130
96-12-8 1,2-Dibromo-3-chloropropane 50 56.5 113 72-131
124-48-1 Dibromochloromethane 50 47.0 94 80-128
106-93-4 1,2-Dibromoethane 50 49.8 100 58-145
95-50-1 1,2-Dichlorobenzene 50 45.6 91 83-117
541-73-1 1,3-Dichlorobenzene 50 45.9 92 82-114
106-46-7 1,4-Dichlorobenzene 50 46.1 92 79-114
75-71-8 Dichlorodifluoromethane 50 45.3 91 49-146
75-34-3 1,1-Dichloroethane 50 48.7 97 76-126
107-06-2 1,2-Dichloroethane 50 46.3 93 76-118
75-35-4 1,1-Dichloroethene 50 44.2 88 72-125
156-59-2 cis-1,2-Dichloroethene 50 48.0 96 80-118
156-60-5 trans-1,2-Dichloroethene 50 44.7 89 76-122
78-87-5 1,2-Dichloropropane 50 49.5 99 82-123
10061-01-5 cis-1,3-Dichloropropene 50 53.7 107 83-123
10061-02-6 trans-1,3-Dichloropropene 50 51.9 104 83-123
100-41-4 Ethylbenzene 50 46.9 94 83-115
76-13-1 Freon 113 50 45.1 90 65-132
591-78-6 2-Hexanone 200 259 130 73-138
98-82-8 Isopropylbenzene 50 48.7 97 81-122
79-20-9 Methyl Acetate 50 57.0 114 63-142
108-87-2 Methylcyclohexane 50 47.1 94 73-126
1634-04-4 Methyl Tert Butyl Ether 50 53.9 108 75-126
* = Outside of Control Limits.
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Job Number:JD70971
Account:URSNCC AECOM, INC.
Project:Belmont Cleaners (DC360008), Belmont, NC
Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
VI10209-BS I251502.D 1 08/15/23 PS n/a n/a VI10209
The QC reported here applies to the following samples:Method: SW846 8260D
JD70971-2
Spike BSP BSP
CAS No.Compound ug/kg ug/kg %Limits
108-10-1 4-Methyl-2-pentanone(MIBK)200 231 116 71-138
75-09-2 Methylene chloride 50 44.3 89 73-122
100-42-5 Styrene 50 53.7 107 84-122
79-34-5 1,1,2,2-Tetrachloroethane 50 47.3 95 75-127
127-18-4 Tetrachloroethene 50 43.6 87 73-125
108-88-3 Toluene 50 47.5 95 82-118
87-61-6 1,2,3-Trichlorobenzene 50 48.2 96 68-132
120-82-1 1,2,4-Trichlorobenzene 50 48.8 98 72-133
71-55-6 1,1,1-Trichloroethane 50 46.8 94 77-124
79-00-5 1,1,2-Trichloroethane 50 50.8 102 83-122
79-01-6 Trichloroethene 50 45.6 91 80-122
75-69-4 Trichlorofluoromethane 50 44.6 89 69-132
75-01-4 Vinyl chloride 50 47.6 95 60-144
m,p-Xylene 100 99.5 100 82-119
95-47-6 o-Xylene 50 53.3 107 84-120
1330-20-7 Xylene (total)150 153 102 83-119
CAS No.Surrogate Recoveries BSP Limits
1868-53-7 Dibromofluoromethane 101%80-124%
17060-07-0 1,2-Dichloroethane-D4 99%75-133%
2037-26-5 Toluene-D8 101%79-125%
460-00-4 4-Bromofluorobenzene 102%58-148%
* = Outside of Control Limits.
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Matrix Spike Summary Page 1 of 2
Job Number:JD70971
Account:URSNCC AECOM, INC.
Project:Belmont Cleaners (DC360008), Belmont, NC
Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
JD70914-1MS Y202585.D 1 08/14/23 PS n/a n/a VY8834
JD70914-1 Y202577.D 1 08/14/23 PS n/a n/a VY8834
The QC reported here applies to the following samples:Method: SW846 8260D
JD70971-1
JD70914-1 Spike MS MS
CAS No.Compound ug/kg Q ug/kg ug/kg %Limits
67-64-1 Acetone 9.0 177 99.4 51 10-170
71-43-2 Benzene ND 44.2 40.8 92 61-132
74-97-5 Bromochloromethane ND 44.2 45.5 103 68-126
75-27-4 Bromodichloromethane ND 44.2 43.0 97 65-129
75-25-2 Bromoform ND 44.2 38.5 87 52-136
74-83-9 Bromomethane ND 44.2 43.3 98 23-158
78-93-3 2-Butanone (MEK)ND 177 132 75 45-142
75-15-0 Carbon disulfide ND 44.2 42.2 96 50-140
56-23-5 Carbon tetrachloride ND 44.2 43.5 98 54-139
108-90-7 Chlorobenzene ND 44.2 40.6 92 57-127
75-00-3 Chloroethane ND 44.2 41.1 93 30-157
67-66-3 Chloroform ND 44.2 38.7 88 59-127
74-87-3 Chloromethane ND 44.2 31.7 72 49-145
110-82-7 Cyclohexane ND 44.2 40.8 92 39-147
96-12-8 1,2-Dibromo-3-chloropropane ND 44.2 36.3 82 35-140
124-48-1 Dibromochloromethane ND 44.2 41.1 93 63-129
106-93-4 1,2-Dibromoethane ND 44.2 39.5 89 45-141
95-50-1 1,2-Dichlorobenzene ND 44.2 38.6 87 38-136
541-73-1 1,3-Dichlorobenzene ND 44.2 39.2 89 37-135
106-46-7 1,4-Dichlorobenzene ND 44.2 40.3 91 36-134
75-71-8 Dichlorodifluoromethane ND 44.2 46.6 105 33-152
75-34-3 1,1-Dichloroethane ND 44.2 40.9 93 68-131
107-06-2 1,2-Dichloroethane ND 44.2 37.6 85 64-119
75-35-4 1,1-Dichloroethene ND 44.2 40.1 91 60-133
156-59-2 cis-1,2-Dichloroethene ND 44.2 44.6 101 58-133
156-60-5 trans-1,2-Dichloroethene ND 44.2 40.5 92 62-130
78-87-5 1,2-Dichloropropane ND 44.2 42.5 96 70-127
10061-01-5 cis-1,3-Dichloropropene ND 44.2 37.8 86 64-126
10061-02-6 trans-1,3-Dichloropropene ND 44.2 33.7 76 61-127
100-41-4 Ethylbenzene ND 44.2 39.0 88 51-133
76-13-1 Freon 113 ND 44.2 42.1 95 46-138
591-78-6 2-Hexanone ND 177 120 68 45-144
98-82-8 Isopropylbenzene ND 44.2 37.0 84 44-142
79-20-9 Methyl Acetate ND 44.2 29.0 66 14-192
108-87-2 Methylcyclohexane ND 44.2 38.0 86 27-149
1634-04-4 Methyl Tert Butyl Ether ND 44.2 40.6 92 62-125
* = Outside of Control Limits.
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Matrix Spike Summary Page 2 of 2
Job Number:JD70971
Account:URSNCC AECOM, INC.
Project:Belmont Cleaners (DC360008), Belmont, NC
Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
JD70914-1MS Y202585.D 1 08/14/23 PS n/a n/a VY8834
JD70914-1 Y202577.D 1 08/14/23 PS n/a n/a VY8834
The QC reported here applies to the following samples:Method: SW846 8260D
JD70971-1
JD70914-1 Spike MS MS
CAS No.Compound ug/kg Q ug/kg ug/kg %Limits
108-10-1 4-Methyl-2-pentanone(MIBK)ND 177 139 79 50-138
75-09-2 Methylene chloride ND 44.2 35.6 81 63-127
100-42-5 Styrene ND 44.2 40.5 92 48-143
79-34-5 1,1,2,2-Tetrachloroethane ND 44.2 23.2 53 44-135
127-18-4 Tetrachloroethene ND 44.2 42.0 95 38-146
108-88-3 Toluene ND 44.2 42.2 96 56-135
87-61-6 1,2,3-Trichlorobenzene ND 44.2 39.1 88 10-153
120-82-1 1,2,4-Trichlorobenzene ND 44.2 39.1 88 10-158
71-55-6 1,1,1-Trichloroethane ND 44.2 44.7 101 61-134
79-00-5 1,1,2-Trichloroethane ND 44.2 40.0 91 62-133
79-01-6 Trichloroethene ND 44.2 57.7 131 52-144
75-69-4 Trichlorofluoromethane ND 44.2 40.8 92 50-141
75-01-4 Vinyl chloride ND 44.2 43.2 98 48-151
m,p-Xylene 1.3 88.4 80.9 90 51-135
95-47-6 o-Xylene 0.45 J 44.2 39.8 89 52-137
1330-20-7 Xylene (total)1.8 133 121 90 50-138
CAS No.Surrogate Recoveries MS JD70914-1 Limits
1868-53-7 Dibromofluoromethane 102%107%80-124%
17060-07-0 1,2-Dichloroethane-D4 87%101%75-133%
2037-26-5 Toluene-D8 97%97%79-125%
460-00-4 4-Bromofluorobenzene 96%97%58-148%
* = Outside of Control Limits.
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Matrix Spike Summary Page 1 of 2
Job Number:JD70971
Account:URSNCC AECOM, INC.
Project:Belmont Cleaners (DC360008), Belmont, NC
Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
JD70995-1MS I251517.D 1 08/15/23 PS n/a n/a VI10209
JD70995-1 I251510.D 1 08/15/23 PS n/a n/a VI10209
The QC reported here applies to the following samples:Method: SW846 8260D
JD70971-2
JD70995-1 Spike MS MS
CAS No.Compound ug/kg Q ug/kg ug/kg %Limits
67-64-1 Acetone 22.6 257 254 90 10-170
71-43-2 Benzene 17.4 64.2 73.1 87 61-132
74-97-5 Bromochloromethane ND 64.2 61.6 96 68-126
75-27-4 Bromodichloromethane ND 64.2 60.9 95 65-129
75-25-2 Bromoform ND 64.2 55.7 87 52-136
74-83-9 Bromomethane ND 64.2 63.1 98 23-158
78-93-3 2-Butanone (MEK)8.7 J 257 264 99 45-142
75-15-0 Carbon disulfide ND 64.2 55.4 86 50-140
56-23-5 Carbon tetrachloride ND 64.2 53.8 84 54-139
108-90-7 Chlorobenzene ND 64.2 51.6 80 57-127
75-00-3 Chloroethane ND 64.2 71.7 112 30-157
67-66-3 Chloroform ND 64.2 56.9 89 59-127
74-87-3 Chloromethane ND 64.2 63.9 99 49-145
110-82-7 Cyclohexane 187 64.2 197 16* a 39-147
96-12-8 1,2-Dibromo-3-chloropropane ND 64.2 63.3 99 35-140
124-48-1 Dibromochloromethane ND 64.2 56.5 88 63-129
106-93-4 1,2-Dibromoethane ND 64.2 62.0 97 45-141
95-50-1 1,2-Dichlorobenzene ND 64.2 42.8 67 38-136
541-73-1 1,3-Dichlorobenzene ND 64.2 40.8 64 37-135
106-46-7 1,4-Dichlorobenzene ND 64.2 42.0 65 36-134
75-71-8 Dichlorodifluoromethane ND 64.2 61.8 96 33-152
75-34-3 1,1-Dichloroethane ND 64.2 59.7 93 68-131
107-06-2 1,2-Dichloroethane ND 64.2 56.2 87 64-119
75-35-4 1,1-Dichloroethene ND 64.2 57.6 90 60-133
156-59-2 cis-1,2-Dichloroethene ND 64.2 61.9 96 58-133
156-60-5 trans-1,2-Dichloroethene ND 64.2 57.1 89 62-130
78-87-5 1,2-Dichloropropane ND 64.2 57.4 89 70-127
10061-01-5 cis-1,3-Dichloropropene ND 64.2 64.3 100 64-126
10061-02-6 trans-1,3-Dichloropropene ND 64.2 60.6 94 61-127
100-41-4 Ethylbenzene 9.5 64.2 53.3 68 51-133
76-13-1 Freon 113 ND 64.2 56.3 88 46-138
591-78-6 2-Hexanone ND 257 286 111 45-144
98-82-8 Isopropylbenzene 82.0 64.2 98.9 26* b 44-142
79-20-9 Methyl Acetate ND 64.2 80.7 126 14-192
108-87-2 Methylcyclohexane 306 E 64.2 256 -78* a 27-149
1634-04-4 Methyl Tert Butyl Ether ND 64.2 63.7 99 62-125
* = Outside of Control Limits.
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Matrix Spike Summary Page 2 of 2
Job Number:JD70971
Account:URSNCC AECOM, INC.
Project:Belmont Cleaners (DC360008), Belmont, NC
Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
JD70995-1MS I251517.D 1 08/15/23 PS n/a n/a VI10209
JD70995-1 I251510.D 1 08/15/23 PS n/a n/a VI10209
The QC reported here applies to the following samples:Method: SW846 8260D
JD70971-2
JD70995-1 Spike MS MS
CAS No.Compound ug/kg Q ug/kg ug/kg %Limits
108-10-1 4-Methyl-2-pentanone(MIBK)ND 257 260 101 50-138
75-09-2 Methylene chloride 5.0 J 64.2 57.7 82 63-127
100-42-5 Styrene ND 64.2 57.1 89 48-143
79-34-5 1,1,2,2-Tetrachloroethane ND 64.2 55.3 86 44-135
127-18-4 Tetrachloroethene ND 64.2 50.5 79 38-146
108-88-3 Toluene 14.4 64.2 67.2 82 56-135
87-61-6 1,2,3-Trichlorobenzene ND 64.2 19.3 30 10-153
120-82-1 1,2,4-Trichlorobenzene ND 64.2 21.2 33 10-158
71-55-6 1,1,1-Trichloroethane ND 64.2 57.1 89 61-134
79-00-5 1,1,2-Trichloroethane ND 64.2 72.6 113 62-133
79-01-6 Trichloroethene ND 64.2 61.0 95 52-144
75-69-4 Trichlorofluoromethane ND 64.2 59.6 93 50-141
75-01-4 Vinyl chloride ND 64.2 73.9 115 48-151
m,p-Xylene 39.1 128 124 66 51-135
95-47-6 o-Xylene 21.9 64.2 65.2 67 52-137
1330-20-7 Xylene (total)61.0 193 189 66 50-138
CAS No.Surrogate Recoveries MS JD70995-1 Limits
1868-53-7 Dibromofluoromethane 95%105%80-124%
17060-07-0 1,2-Dichloroethane-D4 95%99%75-133%
2037-26-5 Toluene-D8 106%107%79-125%
460-00-4 4-Bromofluorobenzene 103%111%58-148%
(a) Outside control limits due to high level in sample relative to spike amount.
(b) Outside control limits due to matrix interference.
* = Outside of Control Limits.
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Job Number:JD70971
Account:URSNCC AECOM, INC.
Project:Belmont Cleaners (DC360008), Belmont, NC
Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
JD70914-2DUP Y202587.D 1 08/14/23 PS n/a n/a VY8834
JD70914-2 Y202578.D 1 08/14/23 PS n/a n/a VY8834
The QC reported here applies to the following samples:Method: SW846 8260D
JD70971-1
JD70914-2 DUP
CAS No.Compound ug/kg Q ug/kg Q RPD Limits
67-64-1 Acetone ND 5.1 J 200* a 50
71-43-2 Benzene ND ND nc 44
74-97-5 Bromochloromethane ND ND nc 30
75-27-4 Bromodichloromethane ND ND nc 22
75-25-2 Bromoform ND ND nc 30
74-83-9 Bromomethane ND ND nc 10
78-93-3 2-Butanone (MEK)ND ND nc 15
75-15-0 Carbon disulfide ND ND nc 43
56-23-5 Carbon tetrachloride ND ND nc 38
108-90-7 Chlorobenzene ND ND nc 11
75-00-3 Chloroethane ND ND nc 10
67-66-3 Chloroform ND ND nc 14
74-87-3 Chloromethane ND ND nc 30
110-82-7 Cyclohexane ND ND nc 44
96-12-8 1,2-Dibromo-3-chloropropane ND ND nc 30
124-48-1 Dibromochloromethane ND ND nc 10
106-93-4 1,2-Dibromoethane ND ND nc 30
95-50-1 1,2-Dichlorobenzene ND ND nc 10
541-73-1 1,3-Dichlorobenzene ND ND nc 30
106-46-7 1,4-Dichlorobenzene ND ND nc 10
75-71-8 Dichlorodifluoromethane ND ND nc 30
75-34-3 1,1-Dichloroethane ND ND nc 25
107-06-2 1,2-Dichloroethane ND ND nc 10
75-35-4 1,1-Dichloroethene ND ND nc 10
156-59-2 cis-1,2-Dichloroethene ND ND nc 36
156-60-5 trans-1,2-Dichloroethene ND ND nc 14
78-87-5 1,2-Dichloropropane ND ND nc 30
10061-01-5 cis-1,3-Dichloropropene ND ND nc 30
10061-02-6 trans-1,3-Dichloropropene ND ND nc 30
100-41-4 Ethylbenzene ND ND nc 35
76-13-1 Freon 113 ND ND nc 10
591-78-6 2-Hexanone ND ND nc 10
98-82-8 Isopropylbenzene ND ND nc 28
79-20-9 Methyl Acetate ND ND nc 37
108-87-2 Methylcyclohexane ND ND nc 43
1634-04-4 Methyl Tert Butyl Ether ND ND nc 21
* = Outside of Control Limits.
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Duplicate Summary Page 2 of 2
Job Number:JD70971
Account:URSNCC AECOM, INC.
Project:Belmont Cleaners (DC360008), Belmont, NC
Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
JD70914-2DUP Y202587.D 1 08/14/23 PS n/a n/a VY8834
JD70914-2 Y202578.D 1 08/14/23 PS n/a n/a VY8834
The QC reported here applies to the following samples:Method: SW846 8260D
JD70971-1
JD70914-2 DUP
CAS No.Compound ug/kg Q ug/kg Q RPD Limits
108-10-1 4-Methyl-2-pentanone(MIBK)ND ND nc 10
75-09-2 Methylene chloride ND ND nc 10
100-42-5 Styrene ND ND nc 10
79-34-5 1,1,2,2-Tetrachloroethane ND ND nc 10
127-18-4 Tetrachloroethene ND ND nc 43
108-88-3 Toluene ND ND nc 37
87-61-6 1,2,3-Trichlorobenzene ND ND nc 30
120-82-1 1,2,4-Trichlorobenzene ND ND nc 10
71-55-6 1,1,1-Trichloroethane ND ND nc 21
79-00-5 1,1,2-Trichloroethane ND ND nc 10
79-01-6 Trichloroethene ND ND nc 44
75-69-4 Trichlorofluoromethane ND ND nc 30
75-01-4 Vinyl chloride ND ND nc 22
m,p-Xylene ND ND nc 44
95-47-6 o-Xylene ND ND nc 45
1330-20-7 Xylene (total)ND ND nc 60
CAS No.Surrogate Recoveries DUP JD70914-2 Limits
1868-53-7 Dibromofluoromethane 107%106%80-124%
17060-07-0 1,2-Dichloroethane-D4 98%99%75-133%
2037-26-5 Toluene-D8 99%97%79-125%
460-00-4 4-Bromofluorobenzene 96%97%58-148%
(a) High RPD due to possible sample nonhomogeneity.
* = Outside of Control Limits.
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Duplicate Summary Page 1 of 2
Job Number:JD70971
Account:URSNCC AECOM, INC.
Project:Belmont Cleaners (DC360008), Belmont, NC
Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
JD70995-2DUP I251519.D 1 08/15/23 PS n/a n/a VI10209
JD70995-2 I251509.D 1 08/15/23 PS n/a n/a VI10209
The QC reported here applies to the following samples:Method: SW846 8260D
JD70971-2
JD70995-2 DUP
CAS No.Compound ug/kg Q ug/kg Q RPD Limits
67-64-1 Acetone 17.5 14.3 20 50
71-43-2 Benzene 25.8 21.1 20 44
74-97-5 Bromochloromethane ND ND nc 30
75-27-4 Bromodichloromethane ND ND nc 22
75-25-2 Bromoform ND ND nc 30
74-83-9 Bromomethane ND ND nc 10
78-93-3 2-Butanone (MEK)ND ND nc 15
75-15-0 Carbon disulfide ND ND nc 43
56-23-5 Carbon tetrachloride ND ND nc 38
108-90-7 Chlorobenzene ND ND nc 11
75-00-3 Chloroethane ND ND nc 10
67-66-3 Chloroform ND ND nc 14
74-87-3 Chloromethane ND ND nc 30
110-82-7 Cyclohexane 207 143 37 44
96-12-8 1,2-Dibromo-3-chloropropane ND ND nc 30
124-48-1 Dibromochloromethane ND ND nc 10
106-93-4 1,2-Dibromoethane ND ND nc 30
95-50-1 1,2-Dichlorobenzene ND ND nc 10
541-73-1 1,3-Dichlorobenzene ND ND nc 30
106-46-7 1,4-Dichlorobenzene ND ND nc 10
75-71-8 Dichlorodifluoromethane ND ND nc 30
75-34-3 1,1-Dichloroethane ND ND nc 25
107-06-2 1,2-Dichloroethane ND ND nc 10
75-35-4 1,1-Dichloroethene ND ND nc 10
156-59-2 cis-1,2-Dichloroethene ND ND nc 36
156-60-5 trans-1,2-Dichloroethene ND ND nc 14
78-87-5 1,2-Dichloropropane ND ND nc 30
10061-01-5 cis-1,3-Dichloropropene ND ND nc 30
10061-02-6 trans-1,3-Dichloropropene ND ND nc 30
100-41-4 Ethylbenzene 20.2 14.6 32 35
76-13-1 Freon 113 ND ND nc 10
591-78-6 2-Hexanone ND ND nc 10
98-82-8 Isopropylbenzene 118 80.6 38* a 28
79-20-9 Methyl Acetate ND ND nc 37
108-87-2 Methylcyclohexane 286 E 213 29 43
1634-04-4 Methyl Tert Butyl Ether ND ND nc 21
* = Outside of Control Limits.
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Duplicate Summary Page 2 of 2
Job Number:JD70971
Account:URSNCC AECOM, INC.
Project:Belmont Cleaners (DC360008), Belmont, NC
Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
JD70995-2DUP I251519.D 1 08/15/23 PS n/a n/a VI10209
JD70995-2 I251509.D 1 08/15/23 PS n/a n/a VI10209
The QC reported here applies to the following samples:Method: SW846 8260D
JD70971-2
JD70995-2 DUP
CAS No.Compound ug/kg Q ug/kg Q RPD Limits
108-10-1 4-Methyl-2-pentanone(MIBK)ND ND nc 10
75-09-2 Methylene chloride 5.3 J 3.9 J 30* a 10
100-42-5 Styrene ND ND nc 10
79-34-5 1,1,2,2-Tetrachloroethane ND ND nc 10
127-18-4 Tetrachloroethene ND ND nc 43
108-88-3 Toluene 1.8 1.4 25 37
87-61-6 1,2,3-Trichlorobenzene ND ND nc 30
120-82-1 1,2,4-Trichlorobenzene ND ND nc 10
71-55-6 1,1,1-Trichloroethane ND ND nc 21
79-00-5 1,1,2-Trichloroethane ND ND nc 10
79-01-6 Trichloroethene ND ND nc 44
75-69-4 Trichlorofluoromethane ND ND nc 30
75-01-4 Vinyl chloride ND ND nc 22
m,p-Xylene 23.9 17.9 29 44
95-47-6 o-Xylene 40.5 31.3 26 45
1330-20-7 Xylene (total)64.4 49.2 27 60
CAS No.Surrogate Recoveries DUP JD70995-2 Limits
1868-53-7 Dibromofluoromethane 93%104%80-124%
17060-07-0 1,2-Dichloroethane-D4 94%100%75-133%
2037-26-5 Toluene-D8 106%107%79-125%
460-00-4 4-Bromofluorobenzene 98%112%58-148%
(a) High RPD due to possible sample nonhomogeneity.
* = Outside of Control Limits.
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Instrument Performance Check (BFB)Page 1 of 1
Job Number:JD70971
Account:URSNCC AECOM, INC.
Project:Belmont Cleaners (DC360008), Belmont, NC
Sample:VI10178-BFB Injection Date:07/01/23
Lab File ID:I250597.D Injection Time:14:57
Instrument ID:GCMSI
Raw % Relative
m/e Ion Abundance Criteria Abundance Abundance Pass/Fail
50 15.0 - 40.0% of mass 95 37125 23.4 Pass
75 30.0 - 60.0% of mass 95 75291 47.4 Pass
95 Base peak, 100% relative abundance 158760 100.0 Pass
96 5.0 - 9.0% of mass 95 10599 6.68 Pass
173 Less than 2.0% of mass 174 310 0.20 (0.21) a Pass
174 50.0 - 120.0% of mass 95 146936 92.6 Pass
175 5.0 - 9.0% of mass 174 11335 7.14 (7.71) a Pass
176 95.0 - 101.0% of mass 174 145955 91.9 (99.3) a Pass
177 5.0 - 9.0% of mass 176 9774 6.16 (6.70) b Pass
(a) Value is % of mass 174
(b) Value is % of mass 176
This check applies to the following Samples, MS, MSD, Blanks, and Standards:
Lab Lab Date Time Hours Client
Sample ID File ID Analyzed Analyzed Lapsed Sample ID
VI10178-IC10178 I250598.D 07/01/23 15:23 00:26 Initial cal 0.2
VI10178-IC10178 I250599.D 07/01/23 15:44 00:47 Initial cal 0.5
VI10178-IC10178 I250600.D 07/01/23 16:06 01:09 Initial cal 1
VI10178-IC10178 I250601.D 07/01/23 16:28 01:31 Initial cal 2
VI10178-IC10178 I250602.D 07/01/23 16:50 01:53 Initial cal 4
VI10178-IC10178 I250603.D 07/01/23 17:11 02:14 Initial cal 8
VI10178-IC10178 I250604.D 07/01/23 17:33 02:36 Initial cal 20
VI10178-ICC10178 I250605.D 07/01/23 17:55 02:58 Initial cal 50
VI10178-IC10178 I250606.D 07/01/23 18:17 03:20 Initial cal 100
VI10178-IC10178 I250607.D 07/01/23 18:38 03:41 Initial cal 200
VI10178-ICV10178 I250610.D 07/01/23 19:44 04:47 Initial cal verification 50
VI10178-ICV10178 I250611.D 07/01/23 20:05 05:08 Initial cal verification 50
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Instrument Performance Check (BFB)Page 1 of 1
Job Number:JD70971
Account:URSNCC AECOM, INC.
Project:Belmont Cleaners (DC360008), Belmont, NC
Sample:VY8808-BFB Injection Date:07/13/23
Lab File ID:Y201752.D Injection Time:16:59
Instrument ID:GCMSY
Raw % Relative
m/e Ion Abundance Criteria Abundance Abundance Pass/Fail
50 15.0 - 40.0% of mass 95 16342 19.2 Pass
75 30.0 - 60.0% of mass 95 42882 50.3 Pass
95 Base peak, 100% relative abundance 85213 100.0 Pass
96 5.0 - 9.0% of mass 95 5422 6.36 Pass
173 Less than 2.0% of mass 174 0 0.00 (0.00) a Pass
174 50.0 - 120.0% of mass 95 79688 93.5 Pass
175 5.0 - 9.0% of mass 174 6204 7.28 (7.79) a Pass
176 95.0 - 101.0% of mass 174 78472 92.1 (98.5) a Pass
177 5.0 - 9.0% of mass 176 5281 6.20 (6.73) b Pass
(a) Value is % of mass 174
(b) Value is % of mass 176
This check applies to the following Samples, MS, MSD, Blanks, and Standards:
Lab Lab Date Time Hours Client
Sample ID File ID Analyzed Analyzed Lapsed Sample ID
VY8808-IC8808 Y201753.D 07/13/23 17:25 00:26 Initial cal 0.2
VY8808-IC8808 Y201754.D 07/13/23 17:47 00:48 Initial cal 0.5
VY8808-IC8808 Y201755.D 07/13/23 18:09 01:10 Initial cal 1
VY8808-IC8808 Y201756.D 07/13/23 18:31 01:32 Initial cal 2
VY8808-IC8808 Y201757.D 07/13/23 18:53 01:54 Initial cal 4
VY8808-IC8808 Y201758.D 07/13/23 19:15 02:16 Initial cal 8
VY8808-IC8808 Y201759.D 07/13/23 19:37 02:38 Initial cal 20
VY8808-ICC8808 Y201760.D 07/13/23 19:59 03:00 Initial cal 50
VY8808-IC8808 Y201761.D 07/13/23 20:21 03:22 Initial cal 100
VY8808-IC8808 Y201762.D 07/13/23 20:43 03:44 Initial cal 200
VY8808-ICV8808 Y201765.D 07/13/23 21:49 04:50 Initial cal verification 50
VY8808-ICV8808 Y201766.D 07/13/23 22:11 05:12 Initial cal verification 50
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Instrument Performance Check (BFB)Page 1 of 1
Job Number:JD70971
Account:URSNCC AECOM, INC.
Project:Belmont Cleaners (DC360008), Belmont, NC
Sample:VY8808-BFB2 Injection Date:07/14/23
Lab File ID:Y201769.D Injection Time:13:22
Instrument ID:GCMSY
Raw % Relative
m/e Ion Abundance Criteria Abundance Abundance Pass/Fail
50 15.0 - 40.0% of mass 95 18144 20.3 Pass
75 30.0 - 60.0% of mass 95 45658 51.1 Pass
95 Base peak, 100% relative abundance 89397 100.0 Pass
96 5.0 - 9.0% of mass 95 5839 6.53 Pass
173 Less than 2.0% of mass 174 0 0.00 (0.00) a Pass
174 50.0 - 120.0% of mass 95 76256 85.3 Pass
175 5.0 - 9.0% of mass 174 5668 6.34 (7.43) a Pass
176 95.0 - 101.0% of mass 174 74440 83.3 (97.6) a Pass
177 5.0 - 9.0% of mass 176 5006 5.60 (6.72) b Pass
(a) Value is % of mass 174
(b) Value is % of mass 176
This check applies to the following Samples, MS, MSD, Blanks, and Standards:
Lab Lab Date Time Hours Client
Sample ID File ID Analyzed Analyzed Lapsed Sample ID
VY8808-ICV8808 Y201770.D 07/14/23 13:44 00:22 Initial cal verification 50
VY8809-CC8808 Y201772.D 07/14/23 14:46 01:24 Continuing cal 50
VY8809-CC8808 Y201773.D 07/14/23 15:18 01:56 Continuing cal 4
VY8809-BS Y201774.D 07/14/23 15:40 02:18 Blank Spike
VY8809-MB Y201776.D 07/14/23 16:24 03:02 Method Blank
JD69177-2 Y201777.D 07/14/23 16:46 03:24 (used for QC only; not part of job JD70971)
JD69177-4 Y201778.D 07/14/23 17:08 03:46 (used for QC only; not part of job JD70971)
ZZZZZZ Y201779.D 07/14/23 17:30 04:08 (unrelated sample)
ZZZZZZ Y201780.D 07/14/23 17:53 04:31 (unrelated sample)
ZZZZZZ Y201781.D 07/14/23 18:15 04:53 (unrelated sample)
ZZZZZZ Y201782.D 07/14/23 18:37 05:15 (unrelated sample)
ZZZZZZ Y201783.D 07/14/23 18:59 05:37 (unrelated sample)
ZZZZZZ Y201784.D 07/14/23 19:21 05:59 (unrelated sample)
ZZZZZZ Y201785.D 07/14/23 19:43 06:21 (unrelated sample)
ZZZZZZ Y201786.D 07/14/23 20:05 06:43 (unrelated sample)
ZZZZZZ Y201787.D 07/14/23 20:27 07:05 (unrelated sample)
ZZZZZZ Y201788.D 07/14/23 20:49 07:27 (unrelated sample)
ZZZZZZ Y201789.D 07/14/23 21:11 07:49 (unrelated sample)
ZZZZZZ Y201790.D 07/14/23 21:33 08:11 (unrelated sample)
ZZZZZZ Y201791.D 07/14/23 21:55 08:33 (unrelated sample)
ZZZZZZ Y201792.D 07/14/23 22:17 08:55 (unrelated sample)
ZZZZZZ Y201793.D 07/14/23 22:39 09:17 (unrelated sample)
JD69177-2MS Y201795.D 07/14/23 23:23 10:01 Matrix Spike
JD69177-4DUP Y201797.D 07/15/23 00:06 10:44 Duplicate
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Surrogate Recovery Summary Page 1 of 1
Job Number:JD70971
Account:URSNCC AECOM, INC.
Project:Belmont Cleaners (DC360008), Belmont, NC
Method:SW846 8260D Matrix:SO
Samples and QC shown here apply to the above method
Lab Lab
Sample ID File ID S1 S2 S3 S4
JD70971-1 Y202595.D 105 99 98 95
JD70971-2 I251505.D 106 105 99 95
JD70914-1MS Y202585.D 102 87 97 96
JD70914-2DUP Y202587.D 107 98 99 96
JD70995-1MS I251517.D 95 95 106 103
JD70995-2DUP I251519.D 93 94 106 98
VI10209-BS I251502.D 101 99 101 102
VI10209-MB I251504.D 106 98 101 95
VY8834-BS Y202570.D 100 88 97 96
VY8834-MB Y202572.D 101 94 97 95
Surrogate Recovery
Compounds Limits
S1 = Dibromofluoromethane 80-124%
S2 = 1,2-Dichloroethane-D4 75-133%
S3 = Toluene-D8 79-125%
S4 = 4-Bromofluorobenzene 58-148%
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08/25/23
Technical Report for
AECOM, INC.
Belmont Cleaners (DC360008), Belmont, NC
60709305, PO#1610120
SGS Job Number: JD70982
Sampling Date: 08/11/23
Report to:
AECOM, INC.
6000 Fairview Road Suite 200
Charlotte, NC 28210
[e-mail]; [e-mail]
ATTN: Madalyn Stone
Total number of pages in report:
Certifications: NJ(12129), NY(10983), CA, CT, FL, IL, IN, KS, KY, LA, MA, MD, ME, MN, NC,
OH VAP (CL0056), AK (UST-103), AZ (AZ0786), PA(68-00408), RI, SC, TX, UT, VA, WV
This report shall not be reproduced, except in its entirety, without the written approval of SGS.
Test results relate only to samples analyzed.
SGS North America Inc.  2235 Route 130  Dayton, NJ 08810  tel: [phone] 
Test results contained within this data package meet the requirements
of the National Environmental Laboratory Accreditation Program
and/or state specific certification programs as applicable unless noted
in the narrative, comments or footnotes.
Client Service contact: Beth Stopen 732-329-0200
David Chastain
General Manager
Dayton, NJ 08/25/23
e-Hardcopy 2.0
Automated Report
29
SGS is the sole authority for authorizing edits or modifications to this document.
Unauthorized modification of this report is strictly prohibited.
Review standard terms at: http://www.sgs.com/en/terms-and-conditions
The results set forth herein are provided by SGS North America Inc.
Please share your ideas about
how we can serve you better at:
[e-mail]
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Table of Contents
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Sections:
Section 1: Sample Summary ...................................................................................................3
Section 2: Case Narrative/Conformance Summary ..............................................................4
Section 3: Summary of Hits ....................................................................................................5
Section 4: Sample Results ........................................................................................................6
4.1: JD70982-3: SSV-3 ........................................................................................................7
4.2: JD70982-5: SG-9 ..........................................................................................................8
Section 5: Misc. Forms ............................................................................................................9
5.1: Chain of Custody ...........................................................................................................10
5.2: Summa Canister and Flow Controller Log ....................................................................12
Section 6: MS Volatiles - QC Data Summaries .....................................................................13
6.1: Method Blank Summary ................................................................................................14
6.2: Blank Spike/Blank Spike Duplicate Summary ..............................................................17
6.3: Duplicate Summary .......................................................................................................20
6.4: Summa Cleaning Certification ......................................................................................21
6.5: Instrument Performance Checks (BFB) .........................................................................23
6.6: Surrogate Recovery Summaries .....................................................................................29
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Sample Summary
AECOM, INC.
Job No:JD70982
Belmont Cleaners (DC360008), Belmont, NC
Project No: 60709305, PO#1610120
Sample Collected Matrix Client
Number Date Time By Received Code Type Sample ID
This report contains results reported as ND = Not detected. The following applies:
Organics ND = Not detected above the MDL
JD70982-1 08/11/23 16:16 EL 08/12/23 AIR Indoor Air Comp.IA-4
JD70982-2 08/11/23 15:57 EL 08/12/23 AIR Indoor Air Comp.IA-5
JD70982-3 08/11/23 17:07 EL 08/12/23 AIR Soil Vapor Comp.SSV-3
JD70982-4 08/11/23 17:16 EL 08/12/23 AIR Soil Vapor Comp.SSV-4
JD70982-5 08/11/23 14:35 EL 08/12/23 AIR Soil Vapor Comp.SG-9
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On 08/12/2023, 2 sample(s), 0 Trip Blank(s), and 0 Field Blank(s) were received at SGS North America Inc. (SGS) at a temperature
of XXXXNO TEMPERATURE FOUNDXXXX °C. The samples were intact and properly preserved, unless noted below. An SGS
Job Number of JD70982 was assigned to the project. The lab sample ID, client sample ID, and date of sample collection are
detailed in the report’s Results Summary.
Specified quality control criteria were achieved for this job except as noted below. For more information, please refer to the
analytical results and QC summary pages.
Client:AECOM, INC.
Site:Belmont Cleaners (DC360008), Belmont, NC
Job No:JD70982
Report Date 8/23/2023 5:53:42 AM
CASE NARRATIVE / CONFORMANCE SUMMARY
MS Volatiles By Method TO-15
Matrix:AIR Batch ID:V5W2098
All samples were analyzed within the recommended method holding time.
All method blanks for this batch meet method specific criteria.
Sample(s) JD70981-1DUP were used as the QC samples indicated.
SGS certifies that data reported for samples received, listed on the associated custody chain or analytical task order, were produced
to specifications meeting SGS's Quality System precision, accuracy and completeness objectives except as noted.
Estimated non-standard method measurement uncertainty data is available on request, based on quality control bias and implicit for
standard methods. Acceptable uncertainty requires tested parameter quality control data to meet method criteria.
SGS is not responsible for data quality assumptions if partial reports are used and recommends that this report be used in its entirety.
This report is authorized by SGS indicated via signature on the report cover.
Wednesday, August 23, 2023 Page 1 of 1
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Summary of Hits Page 1 of 1
Job Number:JD70982
Account:AECOM, INC.
Project:Belmont Cleaners (DC360008), Belmont, NC
Collected:08/11/23
Lab Sample ID Client Sample ID Result/
Analyte Qual RL MDL Units Method
JD70982-3 SSV-3
Tetrachloroethylene 963 1.6 0.56 ppbv TO-15
Trichloroethylene 19.3 1.6 0.76 ppbv TO-15
Tetrachloroethylene 6530 11 3.8 ug/m3 TO-15
Trichloroethylene 104 8.6 4.1 ug/m3 TO-15
JD70982-5 SG-9
Tetrachloroethylene 504 0.80 0.28 ppbv TO-15
Trichloroethylene 0.93 0.80 0.38 ppbv TO-15
Tetrachloroethylene 3420 5.4 1.9 ug/m3 TO-15
Trichloroethylene 5.0 4.3 2.0 ug/m3 TO-15
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SGS North America Inc.
Sample Results
Report of Analysis
Dayton, NJ
Section 4
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SGS North America Inc.
Report of Analysis Page 1 of 1
Client Sample ID:SSV-3
Lab Sample ID:JD70982-3 Date Sampled:08/11/23
Matrix:AIR - Soil Vapor Comp. Summa ID: A2077 Date Received:08/12/23
Method:TO-15 Percent Solids:n/a
Project:Belmont Cleaners (DC360008), Belmont, NC
File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
Run #1 5W51101.D 1 08/17/23 01:43 TCH n/a n/a V5W2098
Run #2
Initial Volume
Run #1 10.0 ml
Run #2
305 Webster Avenue, Cambridge, MA
CAS No.MW Compound Result RL MDL Units Q Result RL MDL Units
156-60-5 96.94 trans-1,2-Dichloroethylene ND 8.0 1.1 ppbv ND 32 4.4 ug/m3
156-59-2 96.94 cis-1,2-Dichloroethylene ND 8.0 1.2 ppbv ND 32 4.8 ug/m3
127-18-4 165.8 Tetrachloroethylene 963 1.6 0.56 ppbv 6530 11 3.8 ug/m3
79-01-6 131.4 Trichloroethylene 19.3 1.6 0.76 ppbv 104 8.6 4.1 ug/m3
75-01-4 62.5 Vinyl chloride ND 8.0 2.8 ppbv ND 20 7.2 ug/m3
CAS No.Surrogate Recoveries Run# 1 Run# 2 Limits
460-00-4 4-Bromofluorobenzene 110%65-128%
ND = Not detected MDL = Method Detection Limit J = Indicates an estimated value
RL = Reporting Limit B = Indicates analyte found in associated method blank
E = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound
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SGS North America Inc.
Report of Analysis Page 1 of 1
Client Sample ID:SG-9
Lab Sample ID:JD70982-5 Date Sampled:08/11/23
Matrix:AIR - Soil Vapor Comp. Summa ID: A2150 Date Received:08/12/23
Method:TO-15 Percent Solids:n/a
Project:Belmont Cleaners (DC360008), Belmont, NC
File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
Run #1 5W51102.D 1 08/17/23 02:23 TCH n/a n/a V5W2098
Run #2
Initial Volume
Run #1 20.0 ml
Run #2
305 Webster Avenue, Cambridge, MA
CAS No.MW Compound Result RL MDL Units Q Result RL MDL Units
156-60-5 96.94 trans-1,2-Dichloroethylene ND 4.0 0.56 ppbv ND 16 2.2 ug/m3
156-59-2 96.94 cis-1,2-Dichloroethylene ND 4.0 0.60 ppbv ND 16 2.4 ug/m3
127-18-4 165.8 Tetrachloroethylene 504 0.80 0.28 ppbv 3420 5.4 1.9 ug/m3
79-01-6 131.4 Trichloroethylene 0.93 0.80 0.38 ppbv 5.0 4.3 2.0 ug/m3
75-01-4 62.5 Vinyl chloride ND 4.0 1.4 ppbv ND 10 3.6 ug/m3
CAS No.Surrogate Recoveries Run# 1 Run# 2 Limits
460-00-4 4-Bromofluorobenzene 109%65-128%
ND = Not detected MDL = Method Detection Limit J = Indicates an estimated value
RL = Reporting Limit B = Indicates analyte found in associated method blank
E = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound
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SGS North America Inc.
Misc. Forms
Custody Documents and Other Forms
Includes the following where applicable:
 Chain of Custody
 Summa Canister and Flow Controller Log
Dayton, NJ
Section 5
9 of 29
JD70982
5
CHAIN OF CUSTODY - AIR PAGE OFISGS,Ar SGS North America lnc. - Dayton
2235 Roule i30 Dat'ton, NJ 08410
TEL [phone] FAX [phone]
TJsotJob# ,
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EHSA-OAC-0022-01'FORM-Day4on-Air COC
Rev date:1/15/2021
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JD70982: Chain of Custody
Page 1 of 2
10 of 29
JD70982
5
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Job Number:JD70982 Client:AECOM, INC.
Date / Time Received:8/12/2023 9:40:00 AM Delivery Method:FED EX
Project:BELMONT CLEANERS (DC360008), NC
4. No. Coolers:N/A
Airbill #'s:7003 7830 1087
Cooler Security
1. Custody Seals Present:
Y or N
2. Custody Seals Intact:
3. COC Present:
4. Smpl Dates/Time OK
2. Cooler temp verification:
Cooler Temperature Y or N
1. Temp criteria achieved:
3. Cooler media:
N/A
N/A
Quality Control Preservation Y or N N/A
1. Trip Blank present / cooler:
2. Trip Blank listed on COC:
3. Samples preserved properly:
4. VOCs headspace free:
Sample Integrity - Documentation Y or N
1. Sample labels present on bottles:
2. Container labeling complete:
3. Sample container label / COC agree:
Sample Integrity - Condition Y or N
1. Sample recvd within HT:
3. Condition of sample:
2. All containers accounted for:
Sample Integrity - Instructions
1. Analysis requested is clear:
2. Bottles received for unspecified tests
3. Sufficient volume recvd for analysis:
4. Compositing instructions clear:
5. Filtering instructions clear:
Intact
Y or N
Comments
Y or N N/A
Cooler Temps (Raw Measured) °C:
Cooler Temps (Corrected) °C:
SM089-03Rev. Date 12/7/17
SGS Sample Receipt Summary
Test Strip Lot #s:pH 1-12:231619 pH 12+:203117A Other: (Specify)
JD70982: Chain of Custody
Page 2 of 2
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JD70982
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Summa Canister and Flow Controller Log Page 1 of 1
Job Number:JD70982
Account:URSNCC AECOM, INC.
Project:Belmont Cleaners (DC360008), Belmont, NC
Received:08/12/23
SUMMA CANISTERS
Shipping Receiving
Summa Vac Date SCC SCC Sample Date Vac Pres Final Dil
ID L " Hg Out By Batch FileID Number In By " Hg psig psig Fact
A2180 6 30 08/03/23 ML CP122253W81496.D JD70982-1 08/14/23 DG 6 1
A814 6 30 08/03/23 ML CP122163W80600.D JD70982-2 08/14/23 DG 5 1
A2077 6 30 08/03/23 ML CP122253W81496.D JD70982-3 08/14/23 DG 5 1
A647 6 30 07/21/23 TC CP123015W50570.D JD70982-4 08/14/23 DG 7 1
A2150 6 30 08/03/23 ML CP123066W29392.D JD70982-5 08/14/23 DG 6 1
FLOW CONTROLLERS / OTHER
Shipping Receiving
Flow Date cc/Time Date cc/Flow
Crtl ID Out By min hrs.In By min RPD Equipment Type
FC719 08/03/23 ML 168 .5 08/15/23 DG 172 2.4 Flow Controller
FC1009 07/21/23 TC 165 .5 08/15/23 DG 176 6.5 Flow Controller
FC1042 08/03/23 ML 168 .5 08/15/23 DG 179 6.3 Flow Controller
FC1177 08/03/23 ML 10.3 8 08/15/23 DG 10.7 3.8 Flow Controller
FC1309 08/03/23 ML 10.3 8 08/15/23 DG 10.6 2.9 Flow Controller
SGS Bottle Order(s):
BW-072823-98
BW-07723-178
Prep Date Room Temp(F)Bar Pres "Hg
07/21/23 70 29.92
08/03/23 80 29.92
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SGS North America Inc.
MS Volatiles
QC Data Summaries
Includes the following where applicable:
 Method Blank Summaries
 Blank Spike Summaries
 Matrix Spike and Duplicate Summaries
 Instrument Performance Checks (BFB)
 Surrogate Recovery Summaries
Dayton, NJ
Section 6
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JD70982
6
Method Blank Summary Page 1 of 1
Job Number:JD70982
Account:URSNCC AECOM, INC.
Project:Belmont Cleaners (DC360008), Belmont, NC
Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
V5W2098-MB 5W51088.D 1 08/16/23 TCH n/a n/a V5W2098
The QC reported here applies to the following samples:Method: TO-15
JD70982-3, JD70982-5
CAS No.Compound Result RL MDL Units Q Result RL Units
156-60-5 trans-1,2-Dichloroethylene ND 0.20 0.028 ppbv ND 0.79 ug/m3
156-59-2 cis-1,2-Dichloroethylene ND 0.20 0.030 ppbv ND 0.79 ug/m3
127-18-4 Tetrachloroethylene ND 0.040 0.014 ppbv ND 0.27 ug/m3
79-01-6 Trichloroethylene ND 0.040 0.019 ppbv ND 0.21 ug/m3
75-01-4 Vinyl chloride ND 0.20 0.069 ppbv ND 0.51 ug/m3
CAS No.Surrogate Recoveries Limits
460-00-4 4-Bromofluorobenzene 112%65-128%
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Method Blank Summary Page 1 of 1
Job Number:JD70982
Account:URSNCC AECOM, INC.
Project:Belmont Cleaners (DC360008), Belmont, NC
Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
V5W2075-MB 5W50565.D 1 06/21/23 WC n/a n/a V5W2075
The QC reported here applies to the following samples:Method: TO-15
V5W2075-SCC
CAS No.Compound Result RL MDL Units Q Result RL Units
156-60-5 trans-1,2-Dichloroethylene ND 0.20 0.028 ppbv ND 0.79 ug/m3
156-59-2 cis-1,2-Dichloroethylene ND 0.20 0.030 ppbv ND 0.79 ug/m3
127-18-4 Tetrachloroethylene ND 0.040 0.014 ppbv ND 0.27 ug/m3
79-01-6 Trichloroethylene ND 0.040 0.019 ppbv ND 0.21 ug/m3
75-01-4 Vinyl chloride ND 0.20 0.069 ppbv ND 0.51 ug/m3
CAS No.Surrogate Recoveries Limits
460-00-4 4-Bromofluorobenzene 107%65-128%
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Method Blank Summary Page 1 of 1
Job Number:JD70982
Account:URSNCC AECOM, INC.
Project:Belmont Cleaners (DC360008), Belmont, NC
Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
V3W3219-MB 3W81472.D 1 07/08/23 TCH n/a n/a V3W3219
The QC reported here applies to the following samples:Method: TO-15
V3W3219-SCC
CAS No.Compound Result RL MDL Units Q Result RL Units
156-60-5 trans-1,2-Dichloroethylene ND 0.20 0.028 ppbv ND 0.79 ug/m3
156-59-2 cis-1,2-Dichloroethylene ND 0.20 0.030 ppbv ND 0.79 ug/m3
127-18-4 Tetrachloroethylene ND 0.040 0.014 ppbv ND 0.27 ug/m3
79-01-6 Trichloroethylene ND 0.040 0.019 ppbv ND 0.21 ug/m3
75-01-4 Vinyl chloride ND 0.20 0.069 ppbv ND 0.51 ug/m3
CAS No.Surrogate Recoveries Limits
460-00-4 4-Bromofluorobenzene 89%65-128%
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Blank Spike/Blank Spike Duplicate Summary Page 1 of 1
Job Number:JD70982
Account:URSNCC AECOM, INC.
Project:Belmont Cleaners (DC360008), Belmont, NC
Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
V5W2098-BS 5W51085.D 1 08/16/23 TCH n/a n/a V5W2098
V5W2098-BSD 5W51086.D 1 08/16/23 TCH n/a n/a V5W2098
The QC reported here applies to the following samples:Method: TO-15
JD70982-3, JD70982-5
Spike BSP BSP BSD BSD Limits
CAS No.Compound ppbv ppbv %ppbv %RPD Rec/RPD
156-60-5 trans-1,2-Dichloroethylene 10 9.2 92 9.3 93 1 70-130/30
156-59-2 cis-1,2-Dichloroethylene 10 9.3 93 9.2 92 1 70-130/30
127-18-4 Tetrachloroethylene 10 10.1 101 10.1 101 0 70-130/30
79-01-6 Trichloroethylene 10 9.9 99 9.8 98 1 70-130/30
75-01-4 Vinyl chloride 10 9.6 96 9.9 99 3 70-130/30
CAS No.Surrogate Recoveries BSP BSD Limits
460-00-4 4-Bromofluorobenzene 107%108%65-128%
* = Outside of Control Limits.
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Blank Spike/Blank Spike Duplicate Summary Page 1 of 1
Job Number:JD70982
Account:URSNCC AECOM, INC.
Project:Belmont Cleaners (DC360008), Belmont, NC
Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
V5W2075-BS 5W50561.D 1 06/21/23 WC n/a n/a V5W2075
V5W2075-BSD 5W50562.D 1 06/21/23 WC n/a n/a V5W2075
The QC reported here applies to the following samples:Method: TO-15
V5W2075-SCC
Spike BSP BSP BSD BSD Limits
CAS No.Compound ppbv ppbv %ppbv %RPD Rec/RPD
156-60-5 trans-1,2-Dichloroethylene 10 9.0 90 9.2 92 2 70-130/30
156-59-2 cis-1,2-Dichloroethylene 10 8.8 88 8.9 89 1 70-130/30
127-18-4 Tetrachloroethylene 10 9.7 97 10 100 3 70-130/30
79-01-6 Trichloroethylene 10 9.8 98 9.8 98 0 70-130/30
75-01-4 Vinyl chloride 10 8.6 86 8.6 86 0 70-130/30
CAS No.Surrogate Recoveries BSP BSD Limits
460-00-4 4-Bromofluorobenzene 103%103%65-128%
* = Outside of Control Limits.
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Blank Spike/Blank Spike Duplicate Summary Page 1 of 1
Job Number:JD70982
Account:URSNCC AECOM, INC.
Project:Belmont Cleaners (DC360008), Belmont, NC
Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
V3W3219-BS 3W81469.D 1 07/08/23 TCH n/a n/a V3W3219
V3W3219-BSD 3W81470.D 1 07/08/23 TCH n/a n/a V3W3219
The QC reported here applies to the following samples:Method: TO-15
V3W3219-SCC
Spike BSP BSP BSD BSD Limits
CAS No.Compound ppbv ppbv %ppbv %RPD Rec/RPD
156-60-5 trans-1,2-Dichloroethylene 10 10.9 109 10.9 109 0 70-130/30
156-59-2 cis-1,2-Dichloroethylene 10 10.7 107 10.7 107 0 70-130/30
127-18-4 Tetrachloroethylene 10 11.8 118 11.7 117 1 70-130/30
79-01-6 Trichloroethylene 10 11.3 113 11.2 112 1 70-130/30
75-01-4 Vinyl chloride 10 10.8 108 10.7 107 1 70-130/30
CAS No.Surrogate Recoveries BSP BSD Limits
460-00-4 4-Bromofluorobenzene 108%107%65-128%
* = Outside of Control Limits.
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Duplicate Summary Page 1 of 1
Job Number:JD70982
Account:URSNCC AECOM, INC.
Project:Belmont Cleaners (DC360008), Belmont, NC
Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
JD70981-1DUP 5W51090.D 1 08/16/23 TCH n/a n/a V5W2098
JD70981-1 5W51089.D 1 08/16/23 TCH n/a n/a V5W2098
The QC reported here applies to the following samples:Method: TO-15
JD70982-3, JD70982-5
JD70981-1 DUP
CAS No.Compound ppbv Q ppbv Q RPD Limits
156-60-5 trans-1,2-Dichloroethylene ND ND nc 25
156-59-2 cis-1,2-Dichloroethylene ND ND nc 25
127-18-4 Tetrachloroethylene 2.1 2.1 0 25
79-01-6 Trichloroethylene ND ND nc 25
75-01-4 Vinyl chloride ND ND nc 25
CAS No.Surrogate Recoveries DUP JD70981-1 Limits
460-00-4 4-Bromofluorobenzene 111%110%65-128%
* = Outside of Control Limits.
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Summa Cleaning Certification Page 1 of 1
Job Number:JD70982
Account:URSNCC AECOM, INC.
Project:Belmont Cleaners (DC360008), Belmont, NC
Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
V5W2075-SCC 5W50579.D 1 06/22/23 WC n/a n/a V5W2075
The QC reported here (Summa A351) applies to the following samples:Method: TO-15
Batch CP12306 cleaned 06/06/23: JD70982-5(A2150)
CAS No.Compound Result RL MDL Units Q Result RL Units
156-60-5 trans-1,2-Dichloroethylene ND 0.20 0.028 ppbv ND 0.79 ug/m3
156-59-2 cis-1,2-Dichloroethylene ND 0.20 0.030 ppbv ND 0.79 ug/m3
127-18-4 Tetrachloroethylene ND 0.040 0.014 ppbv ND 0.27 ug/m3
79-01-6 Trichloroethylene ND 0.040 0.019 ppbv ND 0.21 ug/m3
75-01-4 Vinyl chloride ND 0.20 0.069 ppbv ND 0.51 ug/m3
CAS No.Surrogate Recoveries Limits
460-00-4 4-Bromofluorobenzene 106%65-128%
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Summa Cleaning Certification Page 1 of 1
Job Number:JD70982
Account:URSNCC AECOM, INC.
Project:Belmont Cleaners (DC360008), Belmont, NC
Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
V3W3219-SCC 3W81493.D 1 07/09/23 TCH n/a n/a V3W3219
The QC reported here (Summa A2077) applies to the following samples:Method: TO-15
Batch CP12225 cleaned 04/17/23: JD70982-3(A2077)
CAS No.Compound Result RL MDL Units Q Result RL Units
156-60-5 trans-1,2-Dichloroethylene ND 0.20 0.028 ppbv ND 0.79 ug/m3
156-59-2 cis-1,2-Dichloroethylene ND 0.20 0.030 ppbv ND 0.79 ug/m3
127-18-4 Tetrachloroethylene ND 0.040 0.014 ppbv ND 0.27 ug/m3
79-01-6 Trichloroethylene ND 0.040 0.019 ppbv ND 0.21 ug/m3
75-01-4 Vinyl chloride ND 0.20 0.069 ppbv ND 0.51 ug/m3
CAS No.Surrogate Recoveries Limits
460-00-4 4-Bromofluorobenzene 86%65-128%
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Instrument Performance Check (BFB)Page 1 of 1
Job Number:JD70982
Account:URSNCC AECOM, INC.
Project:Belmont Cleaners (DC360008), Belmont, NC
Sample:V3W3211-BFB Injection Date:06/27/23
Lab File ID:3W81287.D Injection Time:17:48
Instrument ID:GCMS3W
Raw % Relative
m/e Ion Abundance Criteria Abundance Abundance Pass/Fail
50 8.0 - 40.0% of mass 95 29685 21.3 Pass
75 30.0 - 66.0% of mass 95 67699 48.5 Pass
95 Base peak, 100% relative abundance 139523 100.0 Pass
96 5.0 - 9.0% of mass 95 9394 6.73 Pass
173 Less than 2.0% of mass 174 0 0.00 (0.00) a Pass
174 50.0 - 120.0% of mass 95 124496 89.2 Pass
175 4.0 - 9.01% of mass 174 9513 6.82 (7.64) a Pass
176 93.0 - 101.0% of mass 174 122504 87.8 (98.4) a Pass
177 5.0 - 9.0% of mass 176 8144 5.84 (6.65) b Pass
(a) Value is % of mass 174
(b) Value is % of mass 176
This check applies to the following Samples, MS, MSD, Blanks, and Standards:
Lab Lab Date Time Hours Client
Sample ID File ID Analyzed Analyzed Lapsed Sample ID
V3W3211-IC3211 3W81288.D 06/27/23 18:28 00:40 Initial cal 0.04
V3W3211-IC3211 3W81289.D 06/27/23 19:08 01:20 Initial cal 0.1
V3W3211-IC3211 3W81290.D 06/27/23 19:48 02:00 Initial cal 0.2
V3W3211-IC3211 3W81291.D 06/27/23 20:30 02:42 Initial cal 0.5
V3W3211-IC3211 3W81293.D 06/27/23 21:48 04:00 Initial cal 5
V3W3211-ICC3211 3W81294.D 06/27/23 22:29 04:41 Initial cal 10
V3W3211-IC3211 3W81295.D 06/27/23 23:11 05:23 Initial cal 20
V3W3211-IC3211 3W81296.D 06/27/23 23:57 06:09 Initial cal 40
V3W3211-ICV3211 3W81300.D 06/28/23 02:45 08:57 Initial cal verification 10
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Instrument Performance Check (BFB)Page 1 of 1
Job Number:JD70982
Account:URSNCC AECOM, INC.
Project:Belmont Cleaners (DC360008), Belmont, NC
Sample:V3W3219-BFB Injection Date:07/08/23
Lab File ID:3W81467.D Injection Time:08:36
Instrument ID:GCMS3W
Raw % Relative
m/e Ion Abundance Criteria Abundance Abundance Pass/Fail
50 8.0 - 40.0% of mass 95 37264 21.8 Pass
75 30.0 - 66.0% of mass 95 84248 49.3 Pass
95 Base peak, 100% relative abundance 170901 100.0 Pass
96 5.0 - 9.0% of mass 95 11390 6.66 Pass
173 Less than 2.0% of mass 174 0 0.00 (0.00) a Pass
174 50.0 - 120.0% of mass 95 182187 106.6 Pass
175 4.0 - 9.01% of mass 174 13635 7.98 (7.48) a Pass
176 93.0 - 101.0% of mass 174 177323 103.8 (97.3) a Pass
177 5.0 - 9.0% of mass 176 11666 6.83 (6.58) b Pass
(a) Value is % of mass 174
(b) Value is % of mass 176
This check applies to the following Samples, MS, MSD, Blanks, and Standards:
Lab Lab Date Time Hours Client
Sample ID File ID Analyzed Analyzed Lapsed Sample ID
V3W3219-CC3211 3W81468.D 07/08/23 09:17 00:41 Continuing cal 10
V3W3219-BS 3W81469.D 07/08/23 10:05 01:29 Blank Spike
V3W3219-BSD 3W81470.D 07/08/23 10:45 02:09 Blank Spike Duplicate
V3W3219-MB 3W81472.D 07/08/23 12:13 03:37 Method Blank
JD68712-1 3W81475.D 07/08/23 14:14 05:38 (used for QC only; not part of job JD70982)
JD68712-1DUP 3W81476.D 07/08/23 14:55 06:19 Duplicate
ZZZZZZ 3W81477.D 07/08/23 15:35 06:59 (unrelated sample)
ZZZZZZ 3W81479.D 07/08/23 16:55 08:19 (unrelated sample)
ZZZZZZ 3W81480.D 07/08/23 17:41 09:05 (unrelated sample)
ZZZZZZ 3W81481.D 07/08/23 18:20 09:44 (unrelated sample)
ZZZZZZ 3W81482.D 07/08/23 19:01 10:25 (unrelated sample)
ZZZZZZ 3W81483.D 07/08/23 19:41 11:05 (unrelated sample)
ZZZZZZ 3W81484.D 07/08/23 20:24 11:48 (unrelated sample)
ZZZZZZ 3W81485.D 07/08/23 21:04 12:28 (unrelated sample)
ZZZZZZ 3W81486.D 07/08/23 21:44 13:08 (unrelated sample)
ZZZZZZ 3W81487.D 07/08/23 22:27 13:51 (unrelated sample)
ZZZZZZ 3W81489.D 07/08/23 23:47 15:11 (unrelated sample)
ZZZZZZ 3W81490.D 07/09/23 00:28 15:52 (unrelated sample)
V3W3219-SCC 3W81492.D 07/09/23 01:54 17:18 Summa Cleaning Certification
V3W3219-SCC 3W81493.D 07/09/23 02:39 18:03 Summa Cleaning Certification
V3W3219-SCC 3W81494.D 07/09/23 03:25 18:49 Summa Cleaning Certification
V3W3219-SCC 3W81495.D 07/09/23 04:10 19:34 Summa Cleaning Certification
V3W3219-SCC 3W81496.D 07/09/23 04:56 20:20 Summa Cleaning Certification
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Instrument Performance Check (BFB)Page 1 of 1
Job Number:JD70982
Account:URSNCC AECOM, INC.
Project:Belmont Cleaners (DC360008), Belmont, NC
Sample:V5W2072-BFB Injection Date:06/09/23
Lab File ID:5W50500.D Injection Time:20:42
Instrument ID:GCMS5W
Raw % Relative
m/e Ion Abundance Criteria Abundance Abundance Pass/Fail
50 8.0 - 40.0% of mass 95 77189 19.4 Pass
75 30.0 - 66.0% of mass 95 192939 48.5 Pass
95 Base peak, 100% relative abundance 397547 100.0 Pass
96 5.0 - 9.0% of mass 95 27333 6.88 Pass
173 Less than 2.0% of mass 174 2656 0.67 (0.70) a Pass
174 50.0 - 120.0% of mass 95 377237 94.9 Pass
175 4.0 - 9.01% of mass 174 27200 6.84 (7.21) a Pass
176 93.0 - 101.0% of mass 174 358635 90.2 (95.1) a Pass
177 5.0 - 9.0% of mass 176 23984 6.03 (6.69) b Pass
(a) Value is % of mass 174
(b) Value is % of mass 176
This check applies to the following Samples, MS, MSD, Blanks, and Standards:
Lab Lab Date Time Hours Client
Sample ID File ID Analyzed Analyzed Lapsed Sample ID
V5W2072-IC2072 5W50501.D 06/09/23 21:21 00:39 Initial cal 0.04
V5W2072-IC2072 5W50502.D 06/09/23 22:00 01:18 Initial cal 0.1
V5W2072-IC2072 5W50503.D 06/09/23 22:39 01:57 Initial cal 0.2
V5W2072-IC2072 5W50504.D 06/09/23 23:17 02:35 Initial cal 0.5
V5W2072-IC2072 5W50506.D 06/10/23 00:36 03:54 Initial cal 5
V5W2072-ICC2072 5W50507.D 06/10/23 01:15 04:33 Initial cal 10
V5W2072-IC2072 5W50508.D 06/10/23 01:53 05:11 Initial cal 20
V5W2072-IC2072 5W50509.D 06/10/23 02:33 05:51 Initial cal 40
V5W2072-IC2072 5W50510.D 06/10/23 03:14 06:32 Initial cal 50
V5W2072-ICV2072 5W50513.D 06/10/23 05:12 08:30 Initial cal verification 10
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Instrument Performance Check (BFB)Page 1 of 1
Job Number:JD70982
Account:URSNCC AECOM, INC.
Project:Belmont Cleaners (DC360008), Belmont, NC
Sample:V5W2075-BFB Injection Date:06/21/23
Lab File ID:5W50558.D Injection Time:12:08
Instrument ID:GCMS5W
Raw % Relative
m/e Ion Abundance Criteria Abundance Abundance Pass/Fail
50 8.0 - 40.0% of mass 95 73989 22.3 Pass
75 30.0 - 66.0% of mass 95 158293 47.6 Pass
95 Base peak, 100% relative abundance 332523 100.0 Pass
96 5.0 - 9.0% of mass 95 22411 6.74 Pass
173 Less than 2.0% of mass 174 0 0.00 (0.00) a Pass
174 50.0 - 120.0% of mass 95 308139 92.7 Pass
175 4.0 - 9.01% of mass 174 22779 6.85 (7.39) a Pass
176 93.0 - 101.0% of mass 174 300971 90.5 (97.7) a Pass
177 5.0 - 9.0% of mass 176 20107 6.05 (6.68) b Pass
(a) Value is % of mass 174
(b) Value is % of mass 176
This check applies to the following Samples, MS, MSD, Blanks, and Standards:
Lab Lab Date Time Hours Client
Sample ID File ID Analyzed Analyzed Lapsed Sample ID
V5W2075-CC2072 5W50559.D 06/21/23 12:47 00:39 Continuing cal 10
V5W2075-BS 5W50561.D 06/21/23 16:53 04:45 Blank Spike
V5W2075-BSD 5W50562.D 06/21/23 17:31 05:23 Blank Spike Duplicate
V5W2075-MB 5W50565.D 06/21/23 19:30 07:22 Method Blank
V5W2075-SCC 5W50566.D 06/21/23 20:08 08:00 Summa Cleaning Certification
V5W2075-SCC 5W50567.D 06/21/23 20:48 08:40 Summa Cleaning Certification
V5W2075-SCC 5W50568.D 06/21/23 21:26 09:18 Summa Cleaning Certification
V5W2075-SCC 5W50569.D 06/21/23 22:07 09:59 Summa Cleaning Certification
V5W2075-SCC 5W50570.D 06/21/23 22:45 10:37 Summa Cleaning Certification
V5W2075-SCC 5W50571.D 06/21/23 23:24 11:16 Summa Cleaning Certification
V5W2075-SCC 5W50572.D 06/22/23 00:03 11:55 Summa Cleaning Certification
V5W2075-SCC 5W50573.D 06/22/23 00:43 12:35 Summa Cleaning Certification
V5W2075-SCC 5W50574.D 06/22/23 01:21 13:13 Summa Cleaning Certification
V5W2075-SCC 5W50575.D 06/22/23 02:01 13:53 Summa Cleaning Certification
V5W2075-SCC 5W50576.D 06/22/23 02:39 14:31 Summa Cleaning Certification
V5W2075-SCC 5W50577.D 06/22/23 03:18 15:10 Summa Cleaning Certification
V5W2075-SCC 5W50579.D 06/22/23 04:40 16:32 Summa Cleaning Certification
V5W2075-SCC 5W50580.D 06/22/23 05:20 17:12 Summa Cleaning Certification
V5W2075-SCC 5W50581.D 06/22/23 06:00 17:52 Summa Cleaning Certification
V5W2075-SCC 5W50582.D 06/22/23 06:39 18:31 Summa Cleaning Certification
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Instrument Performance Check (BFB)Page 1 of 1
Job Number:JD70982
Account:URSNCC AECOM, INC.
Project:Belmont Cleaners (DC360008), Belmont, NC
Sample:V5W2085-BFB Injection Date:07/28/23
Lab File ID:5W50761.D Injection Time:17:46
Instrument ID:GCMS5W
Raw % Relative
m/e Ion Abundance Criteria Abundance Abundance Pass/Fail
50 8.0 - 40.0% of mass 95 79141 19.3 Pass
75 30.0 - 66.0% of mass 95 206869 50.4 Pass
95 Base peak, 100% relative abundance 410475 100.0 Pass
96 5.0 - 9.0% of mass 95 27739 6.76 Pass
173 Less than 2.0% of mass 174 0 0.00 (0.00) a Pass
174 50.0 - 120.0% of mass 95 435989 106.2 Pass
175 4.0 - 9.01% of mass 174 34219 8.34 (7.85) a Pass
176 93.0 - 101.0% of mass 174 426112 103.8 (97.7) a Pass
177 5.0 - 9.0% of mass 176 26949 6.57 (6.32) b Pass
(a) Value is % of mass 174
(b) Value is % of mass 176
This check applies to the following Samples, MS, MSD, Blanks, and Standards:
Lab Lab Date Time Hours Client
Sample ID File ID Analyzed Analyzed Lapsed Sample ID
V5W2085-IC2085 5W50762.D 07/28/23 18:25 00:39 Initial cal 0.04
V5W2085-IC2085 5W50763.D 07/28/23 19:05 01:19 Initial cal 0.1
V5W2085-IC2085 5W50764.D 07/28/23 19:44 01:58 Initial cal 0.2
V5W2085-IC2085 5W50765.D 07/28/23 20:27 02:41 Initial cal 0.5
V5W2085-IC2085 5W50767.D 07/28/23 21:47 04:01 Initial cal 5
V5W2085-ICC2085 5W50768.D 07/28/23 22:27 04:41 Initial cal 10
V5W2085-IC2085 5W50769.D 07/28/23 23:09 05:23 Initial cal 20
V5W2085-IC2085 5W50770.D 07/28/23 23:54 06:08 Initial cal 40
V5W2085-IC2085 5W50771.D 07/29/23 00:42 06:56 Initial cal 50
V5W2085-ICV2085 5W50774.D 07/29/23 02:40 08:54 Initial cal verification 10
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Instrument Performance Check (BFB)Page 1 of 1
Job Number:JD70982
Account:URSNCC AECOM, INC.
Project:Belmont Cleaners (DC360008), Belmont, NC
Sample:V5W2098-BFB Injection Date:08/16/23
Lab File ID:5W51083.D Injection Time:13:09
Instrument ID:GCMS5W
Raw % Relative
m/e Ion Abundance Criteria Abundance Abundance Pass/Fail
50 8.0 - 40.0% of mass 95 78285 17.7 Pass
75 30.0 - 66.0% of mass 95 212352 48.0 Pass
95 Base peak, 100% relative abundance 442069 100.0 Pass
96 5.0 - 9.0% of mass 95 29293 6.63 Pass
173 Less than 2.0% of mass 174 878 0.20 (0.18) a Pass
174 50.0 - 120.0% of mass 95 476203 107.7 Pass
175 4.0 - 9.01% of mass 174 35037 7.93 (7.36) a Pass
176 93.0 - 101.0% of mass 174 464981 105.2 (97.6) a Pass
177 5.0 - 9.0% of mass 176 30619 6.93 (6.59) b Pass
(a) Value is % of mass 174
(b) Value is % of mass 176
This check applies to the following Samples, MS, MSD, Blanks, and Standards:
Lab Lab Date Time Hours Client
Sample ID File ID Analyzed Analyzed Lapsed Sample ID
V5W2098-CC2085 5W51084.D 08/16/23 13:49 00:40 Continuing cal 10
V5W2098-BS 5W51085.D 08/16/23 14:28 01:19 Blank Spike
V5W2098-BSD 5W51086.D 08/16/23 15:08 01:59 Blank Spike Duplicate
V5W2098-MB 5W51088.D 08/16/23 16:48 03:39 Method Blank
JD70981-1 5W51089.D 08/16/23 17:33 04:24 (used for QC only; not part of job JD70982)
JD70981-1DUP 5W51090.D 08/16/23 18:19 05:10 Duplicate
ZZZZZZ 5W51091.D 08/16/23 19:00 05:51 (unrelated sample)
ZZZZZZ 5W51092.D 08/16/23 19:41 06:32 (unrelated sample)
ZZZZZZ 5W51093.D 08/16/23 20:21 07:12 (unrelated sample)
ZZZZZZ 5W51094.D 08/16/23 21:00 07:51 (unrelated sample)
ZZZZZZ 5W51095.D 08/16/23 21:42 08:33 (unrelated sample)
ZZZZZZ 5W51097.D 08/16/23 23:02 09:53 (unrelated sample)
ZZZZZZ 5W51098.D 08/16/23 23:42 10:33 (unrelated sample)
ZZZZZZ 5W51099.D 08/17/23 00:22 11:13 (unrelated sample)
ZZZZZZ 5W51100.D 08/17/23 01:03 11:54 (unrelated sample)
JD70982-3 5W51101.D 08/17/23 01:43 12:34 SSV-3
JD70982-5 5W51102.D 08/17/23 02:23 13:14 SG-9
ZZZZZZ 5W51103.D 08/17/23 03:03 13:54 (unrelated sample)
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Surrogate Recovery Summary Page 1 of 1
Job Number:JD70982
Account:URSNCC AECOM, INC.
Project:Belmont Cleaners (DC360008), Belmont, NC
Method:TO-15 Matrix:AIR
Samples and QC shown here apply to the above method
Lab Lab
Sample ID File ID S1
JD70982-3 5W51101.D 110
JD70982-5 5W51102.D 109
JD70981-1DUP 5W51090.D 111
V3W3219-SCC 3W81493.D 86
V5W2075-SCC 5W50579.D 106
V5W2098-BS 5W51085.D 107
V5W2098-BSD 5W51086.D 108
V5W2098-MB 5W51088.D 112
V3W3219-BS 3W81469.D 108
V3W3219-BSD 3W81470.D 107
V3W3219-MB 3W81472.D 89
V5W2075-BS 5W50561.D 103
V5W2075-BSD 5W50562.D 103
V5W2075-MB 5W50565.D 107
Surrogate Recovery
Compounds Limits
S1 = 4-Bromofluorobenzene 65-128%
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09/04/23
Technical Report for
AECOM, INC.
Belmont Cleaners (DC360008), Belmont, NC
60709305, PO#1610120
SGS Job Number: JD70982R
Sampling Date: 08/11/23
Report to:
AECOM, INC.
6000 Fairview Road Suite 200
Charlotte, NC 28210
[e-mail]; [e-mail]
ATTN: Madalyn Stone
Total number of pages in report:
Certifications: NJ(12129), NY(10983), CA, CT, FL, IL, IN, KS, KY, LA, MA, MD, ME, MN, NC,
OH VAP (CL0056), AK (UST-103), AZ (AZ0786), PA(68-00408), RI, SC, TX, UT, VA, WV
This report shall not be reproduced, except in its entirety, without the written approval of SGS.
Test results relate only to samples analyzed.
SGS North America Inc.  2235 Route 130  Dayton, NJ 08810  tel: [phone] 
Test results contained within this data package meet the requirements
of the National Environmental Laboratory Accreditation Program
and/or state specific certification programs as applicable unless noted
in the narrative, comments or footnotes.
Client Service contact: Beth Stopen 732-329-0200
David Chastain
General Manager
Dayton, NJ 09/04/23
e-Hardcopy 2.0
Automated Report
36
SGS is the sole authority for authorizing edits or modifications to this document.
Unauthorized modification of this report is strictly prohibited.
Review standard terms at: http://www.sgs.com/en/terms-and-conditions
The results set forth herein are provided by SGS North America Inc.
Please share your ideas about
how we can serve you better at:
[e-mail]
1 of 36
JD70982R
Table of Contents
-1-
Sections:
Section 1: Sample Summary ...................................................................................................3
Section 2: Case Narrative/Conformance Summary ..............................................................4
Section 3: Summary of Hits ....................................................................................................5
Section 4: Sample Results ........................................................................................................6
4.1: JD70982-1R: IA-4 ........................................................................................................7
4.2: JD70982-2R: IA-5 ........................................................................................................8
4.3: JD70982-4R: SSV-4 ......................................................................................................9
Section 5: Misc. Forms ............................................................................................................10
5.1: Chain of Custody ...........................................................................................................11
5.2: Summa Canister and Flow Controller Log ....................................................................14
Section 6: MS Volatiles - QC Data Summaries .....................................................................15
6.1: Method Blank Summary ................................................................................................16
6.2: Blank Spike/Blank Spike Duplicate Summary ..............................................................20
6.3: Duplicate Summary .......................................................................................................24
6.4: Summa Cleaning Certification ......................................................................................25
6.5: Instrument Performance Checks (BFB) .........................................................................28
6.6: Surrogate Recovery Summaries .....................................................................................36
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2
3
4
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SGS North America Inc.
Sample Summary
AECOM, INC.
Job No:JD70982R
Belmont Cleaners (DC360008), Belmont, NC
Project No: 60709305, PO#1610120
Sample Collected Matrix Client
Number Date Time By Received Code Type Sample ID
This report contains results reported as ND = Not detected. The following applies:
Organics ND = Not detected above the MDL
JD70982-1R 08/11/23 16:16 EL 08/12/23 AIR Indoor Air Comp.IA-4
JD70982-2R 08/11/23 15:57 EL 08/12/23 AIR Indoor Air Comp.IA-5
JD70982-4R 08/11/23 17:16 EL 08/12/23 AIR Soil Vapor Comp.SSV-4
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On 08/12/2023, 3 sample(s), 0 Trip Blank(s), and 0 Field Blank(s) were received at SGS North America Inc. (SGS). The samples
were intact and properly preserved, unless noted below. An SGS Job Number of JD70982R was assigned to the project. The lab
sample ID, client sample ID, and date of sample collection are detailed in the report’s Results Summary.
Specified quality control criteria were achieved for this job except as noted below. For more information, please refer to the
analytical results and QC summary pages.
Client:AECOM, INC.
Site:Belmont Cleaners (DC360008), Belmont, NC
Job No:JD70982R
Report Date 9/4/2023 7:11:38 AM
CASE NARRATIVE / CONFORMANCE SUMMARY
MS Volatiles By Method TO-15
Matrix:AIR Batch ID:V5W2106
All samples were analyzed within the recommended method holding time.
All method blanks for this batch meet method specific criteria.
Sample(s) JD71807-1DUP were used as the QC samples indicated.
SGS certifies that data reported for samples received, listed on the associated custody chain or analytical task order, were produced
to specifications meeting SGS's Quality System precision, accuracy and completeness objectives except as noted.
Estimated non-standard method measurement uncertainty data is available on request, based on quality control bias and implicit for
standard methods. Acceptable uncertainty requires tested parameter quality control data to meet method criteria.
SGS is not responsible for data quality assumptions if partial reports are used and recommends that this report be used in its
entirety. This report is authorized by SGS indicated via signature on the report cover.
Monday, September 4, 2023 Page 1 of 1
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JD70982R
2
Summary of Hits Page 1 of 1
Job Number:JD70982R
Account:AECOM, INC.
Project:Belmont Cleaners (DC360008), Belmont, NC
Collected:08/11/23
Lab Sample ID Client Sample ID Result/
Analyte Qual RL MDL Units Method
JD70982-1R IA-4
Tetrachloroethylene 0.55 0.040 0.014 ppbv TO-15
Tetrachloroethylene 3.7 0.27 0.095 ug/m3 TO-15
JD70982-2R IA-5
Tetrachloroethylene 0.38 0.040 0.014 ppbv TO-15
Tetrachloroethylene 2.6 0.27 0.095 ug/m3 TO-15
JD70982-4R SSV-4
Tetrachloroethylene 2.7 0.16 0.056 ppbv TO-15
Tetrachloroethylene 18 1.1 0.38 ug/m3 TO-15
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SGS North America Inc.
Sample Results
Report of Analysis
Dayton, NJ
Section 4
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4
SGS North America Inc.
Report of Analysis Page 1 of 1
Client Sample ID:IA-4
Lab Sample ID:JD70982-1R Date Sampled:08/11/23
Matrix:AIR - Indoor Air Comp. Summa ID: A2180 Date Received:08/12/23
Method:TO-15 Percent Solids:n/a
Project:Belmont Cleaners (DC360008), Belmont, NC
File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
Run #1 5W51265.D 1 08/30/23 17:24 WC n/a n/a V5W2106
Run #2
Initial Volume
Run #1 400 ml
Run #2
305 Webster Avenue, Cambridge, MA
CAS No.MW Compound Result RL MDL Units Q Result RL MDL Units
156-60-5 96.94 trans-1,2-Dichloroethylene ND 0.20 0.028 ppbv ND 0.79 0.11 ug/m3
156-59-2 96.94 cis-1,2-Dichloroethylene ND 0.20 0.030 ppbv ND 0.79 0.12 ug/m3
127-18-4 165.8 Tetrachloroethylene 0.55 0.040 0.014 ppbv 3.7 0.27 0.095 ug/m3
79-01-6 131.4 Trichloroethylene ND 0.040 0.019 ppbv ND 0.21 0.10 ug/m3
75-01-4 62.5 Vinyl chloride ND 0.20 0.069 ppbv ND 0.51 0.18 ug/m3
CAS No.Surrogate Recoveries Run# 1 Run# 2 Limits
460-00-4 4-Bromofluorobenzene 107%65-128%
ND = Not detected MDL = Method Detection Limit J = Indicates an estimated value
RL = Reporting Limit B = Indicates analyte found in associated method blank
E = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound
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SGS North America Inc.
Report of Analysis Page 1 of 1
Client Sample ID:IA-5
Lab Sample ID:JD70982-2R Date Sampled:08/11/23
Matrix:AIR - Indoor Air Comp. Summa ID: A814 Date Received:08/12/23
Method:TO-15 Percent Solids:n/a
Project:Belmont Cleaners (DC360008), Belmont, NC
File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
Run #1 5W51266.D 1 08/30/23 18:09 WC n/a n/a V5W2106
Run #2
Initial Volume
Run #1 400 ml
Run #2
305 Webster Avenue, Cambridge, MA
CAS No.MW Compound Result RL MDL Units Q Result RL MDL Units
156-60-5 96.94 trans-1,2-Dichloroethylene ND 0.20 0.028 ppbv ND 0.79 0.11 ug/m3
156-59-2 96.94 cis-1,2-Dichloroethylene ND 0.20 0.030 ppbv ND 0.79 0.12 ug/m3
127-18-4 165.8 Tetrachloroethylene 0.38 0.040 0.014 ppbv 2.6 0.27 0.095 ug/m3
79-01-6 131.4 Trichloroethylene ND 0.040 0.019 ppbv ND 0.21 0.10 ug/m3
75-01-4 62.5 Vinyl chloride ND 0.20 0.069 ppbv ND 0.51 0.18 ug/m3
CAS No.Surrogate Recoveries Run# 1 Run# 2 Limits
460-00-4 4-Bromofluorobenzene 107%65-128%
ND = Not detected MDL = Method Detection Limit J = Indicates an estimated value
RL = Reporting Limit B = Indicates analyte found in associated method blank
E = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound
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SGS North America Inc.
Report of Analysis Page 1 of 1
Client Sample ID:SSV-4
Lab Sample ID:JD70982-4R Date Sampled:08/11/23
Matrix:AIR - Soil Vapor Comp. Summa ID: A647 Date Received:08/12/23
Method:TO-15 Percent Solids:n/a
Project:Belmont Cleaners (DC360008), Belmont, NC
File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
Run #1 5W51267.D 1 08/30/23 18:50 WC n/a n/a V5W2106
Run #2
Initial Volume
Run #1 100 ml
Run #2
305 Webster Avenue, Cambridge, MA
CAS No.MW Compound Result RL MDL Units Q Result RL MDL Units
156-60-5 96.94 trans-1,2-Dichloroethylene ND 0.80 0.11 ppbv ND 3.2 0.44 ug/m3
156-59-2 96.94 cis-1,2-Dichloroethylene ND 0.80 0.12 ppbv ND 3.2 0.48 ug/m3
127-18-4 165.8 Tetrachloroethylene 2.7 0.16 0.056 ppbv 18 1.1 0.38 ug/m3
79-01-6 131.4 Trichloroethylene ND 0.16 0.076 ppbv ND 0.86 0.41 ug/m3
75-01-4 62.5 Vinyl chloride ND 0.80 0.28 ppbv ND 2.0 0.72 ug/m3
CAS No.Surrogate Recoveries Run# 1 Run# 2 Limits
460-00-4 4-Bromofluorobenzene 107%65-128%
ND = Not detected MDL = Method Detection Limit J = Indicates an estimated value
RL = Reporting Limit B = Indicates analyte found in associated method blank
E = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound
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SGS North America Inc.
Misc. Forms
Custody Documents and Other Forms
Includes the following where applicable:
 Chain of Custody
 Summa Canister and Flow Controller Log
Dayton, NJ
Section 5
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JD70982R
5
CHAIN OF CUSTODY - AIR PAGE OFISGS,Ar SGS North America lnc. - Dayton
2235 Roule i30 Dat'ton, NJ 08410
TEL [phone] FAX [phone]
TJsotJob# ,
J) tolr).adsouoted - /
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Rev date:1/15/2021
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JD70982R: Chain of Custody
Page 1 of 3
11 of 36
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1
Job Number:JD70982 Client:AECOM, INC.
Date / Time Received:8/12/2023 9:40:00 AM Delivery Method:FED EX
Project:BELMONT CLEANERS (DC360008), NC
4. No. Coolers:N/A
Airbill #'s:7003 7830 1087
Cooler Security
1. Custody Seals Present:
Y or N
2. Custody Seals Intact:
3. COC Present:
4. Smpl Dates/Time OK
2. Cooler temp verification:
Cooler Temperature Y or N
1. Temp criteria achieved:
3. Cooler media:
N/A
N/A
Quality Control Preservation Y or N N/A
1. Trip Blank present / cooler:
2. Trip Blank listed on COC:
3. Samples preserved properly:
4. VOCs headspace free:
Sample Integrity - Documentation Y or N
1. Sample labels present on bottles:
2. Container labeling complete:
3. Sample container label / COC agree:
Sample Integrity - Condition Y or N
1. Sample recvd within HT:
3. Condition of sample:
2. All containers accounted for:
Sample Integrity - Instructions
1. Analysis requested is clear:
2. Bottles received for unspecified tests
3. Sufficient volume recvd for analysis:
4. Compositing instructions clear:
5. Filtering instructions clear:
Intact
Y or N
Comments
Y or N N/A
Cooler Temps (Raw Measured) °C:
Cooler Temps (Corrected) °C:
SM089-03Rev. Date 12/7/17
SGS Sample Receipt Summary
Test Strip Lot #s:pH 1-12:231619 pH 12+:203117A Other: (Specify)
JD70982R: Chain of Custody
Page 2 of 3
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JD70982R: Chain of Custody
Page 3 of 3
13 of 36
JD70982R
5
5.
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Summa Canister and Flow Controller Log Page 1 of 1
Job Number:JD70982R
Account:URSNCC AECOM, INC.
Project:Belmont Cleaners (DC360008), Belmont, NC
Received:08/12/23
SUMMA CANISTERS
Shipping Receiving
Summa Vac Date SCC SCC Sample Date Vac Pres Final Dil
ID L " Hg Out By Batch FileID Number In By " Hg psig psig Fact
A2180 6 30 08/03/23 ML CP122253W81496.D JD70982-1 08/14/23 DG 6 1
A814 6 30 08/03/23 ML CP122163W80600.D JD70982-2 08/14/23 DG 5 1
A647 6 30 07/21/23 TC CP123015W50570.D JD70982-4 08/14/23 DG 7 1
SGS Bottle Order(s):
BW-072823-98
BW-07723-178
Prep Date Room Temp(F)Bar Pres "Hg
07/21/23 70 29.92
08/03/23 80 29.92
14 of 36
JD70982R
5
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SGS North America Inc.
MS Volatiles
QC Data Summaries
Includes the following where applicable:
 Method Blank Summaries
 Blank Spike Summaries
 Matrix Spike and Duplicate Summaries
 Instrument Performance Checks (BFB)
 Surrogate Recovery Summaries
Dayton, NJ
Section 6
15 of 36
JD70982R
6
Method Blank Summary Page 1 of 1
Job Number:JD70982R
Account:URSNCC AECOM, INC.
Project:Belmont Cleaners (DC360008), Belmont, NC
Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
V5W2106-MB 5W51259.D 1 08/30/23 WC n/a n/a V5W2106
The QC reported here applies to the following samples:Method: TO-15
JD70982-1R, JD70982-2R, JD70982-4R
CAS No.Compound Result RL MDL Units Q Result RL Units
156-60-5 trans-1,2-Dichloroethylene ND 0.20 0.028 ppbv ND 0.79 ug/m3
156-59-2 cis-1,2-Dichloroethylene ND 0.20 0.030 ppbv ND 0.79 ug/m3
127-18-4 Tetrachloroethylene ND 0.040 0.014 ppbv ND 0.27 ug/m3
79-01-6 Trichloroethylene ND 0.040 0.019 ppbv ND 0.21 ug/m3
75-01-4 Vinyl chloride ND 0.20 0.069 ppbv ND 0.51 ug/m3
CAS No.Surrogate Recoveries Limits
460-00-4 4-Bromofluorobenzene 105%65-128%
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Method Blank Summary Page 1 of 1
Job Number:JD70982R
Account:URSNCC AECOM, INC.
Project:Belmont Cleaners (DC360008), Belmont, NC
Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
V3W3180-MB 3W80597.D 1 05/05/23 TCH n/a n/a V3W3180
The QC reported here applies to the following samples:Method: TO-15
V3W3180-SCC
CAS No.Compound Result RL MDL Units Q Result RL Units
156-60-5 trans-1,2-Dichloroethylene ND 0.20 0.069 ppbv ND 0.79 ug/m3
156-59-2 cis-1,2-Dichloroethylene ND 0.20 0.077 ppbv ND 0.79 ug/m3
127-18-4 Tetrachloroethylene ND 0.040 0.014 ppbv ND 0.27 ug/m3
79-01-6 Trichloroethylene ND 0.040 0.019 ppbv ND 0.21 ug/m3
75-01-4 Vinyl chloride ND 0.20 0.069 ppbv ND 0.51 ug/m3
CAS No.Surrogate Recoveries Limits
460-00-4 4-Bromofluorobenzene 84%65-128%
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Method Blank Summary Page 1 of 1
Job Number:JD70982R
Account:URSNCC AECOM, INC.
Project:Belmont Cleaners (DC360008), Belmont, NC
Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
V5W2075-MB 5W50565.D 1 06/21/23 WC n/a n/a V5W2075
The QC reported here applies to the following samples:Method: TO-15
V5W2075-SCC
CAS No.Compound Result RL MDL Units Q Result RL Units
156-60-5 trans-1,2-Dichloroethylene ND 0.20 0.028 ppbv ND 0.79 ug/m3
156-59-2 cis-1,2-Dichloroethylene ND 0.20 0.030 ppbv ND 0.79 ug/m3
127-18-4 Tetrachloroethylene ND 0.040 0.014 ppbv ND 0.27 ug/m3
79-01-6 Trichloroethylene ND 0.040 0.019 ppbv ND 0.21 ug/m3
75-01-4 Vinyl chloride ND 0.20 0.069 ppbv ND 0.51 ug/m3
CAS No.Surrogate Recoveries Limits
460-00-4 4-Bromofluorobenzene 107%65-128%
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Method Blank Summary Page 1 of 1
Job Number:JD70982R
Account:URSNCC AECOM, INC.
Project:Belmont Cleaners (DC360008), Belmont, NC
Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
V3W3219-MB 3W81472.D 1 07/08/23 TCH n/a n/a V3W3219
The QC reported here applies to the following samples:Method: TO-15
V3W3219-SCC
CAS No.Compound Result RL MDL Units Q Result RL Units
156-60-5 trans-1,2-Dichloroethylene ND 0.20 0.028 ppbv ND 0.79 ug/m3
156-59-2 cis-1,2-Dichloroethylene ND 0.20 0.030 ppbv ND 0.79 ug/m3
127-18-4 Tetrachloroethylene ND 0.040 0.014 ppbv ND 0.27 ug/m3
79-01-6 Trichloroethylene ND 0.040 0.019 ppbv ND 0.21 ug/m3
75-01-4 Vinyl chloride ND 0.20 0.069 ppbv ND 0.51 ug/m3
CAS No.Surrogate Recoveries Limits
460-00-4 4-Bromofluorobenzene 89%65-128%
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Blank Spike/Blank Spike Duplicate Summary Page 1 of 1
Job Number:JD70982R
Account:URSNCC AECOM, INC.
Project:Belmont Cleaners (DC360008), Belmont, NC
Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
V5W2106-BS 5W51256.D 1 08/30/23 WC n/a n/a V5W2106
V5W2106-BSD 5W51257.D 1 08/30/23 WC n/a n/a V5W2106
The QC reported here applies to the following samples:Method: TO-15
JD70982-1R, JD70982-2R, JD70982-4R
Spike BSP BSP BSD BSD Limits
CAS No.Compound ppbv ppbv %ppbv %RPD Rec/RPD
156-60-5 trans-1,2-Dichloroethylene 10 8.8 88 8.8 88 0 70-130/30
156-59-2 cis-1,2-Dichloroethylene 10 9.0 90 9.0 90 0 70-130/30
127-18-4 Tetrachloroethylene 10 9.7 97 9.6 96 1 70-130/30
79-01-6 Trichloroethylene 10 10.6 106 10.4 104 2 70-130/30
75-01-4 Vinyl chloride 10 10.3 103 10.6 106 3 70-130/30
CAS No.Surrogate Recoveries BSP BSD Limits
460-00-4 4-Bromofluorobenzene 102%104%65-128%
* = Outside of Control Limits.
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Blank Spike/Blank Spike Duplicate Summary Page 1 of 1
Job Number:JD70982R
Account:URSNCC AECOM, INC.
Project:Belmont Cleaners (DC360008), Belmont, NC
Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
V3W3180-BS 3W80594.D 1 05/05/23 TCH n/a n/a V3W3180
V3W3180-BSD 3W80595.D 1 05/05/23 TCH n/a n/a V3W3180
The QC reported here applies to the following samples:Method: TO-15
V3W3180-SCC
Spike BSP BSP BSD BSD Limits
CAS No.Compound ppbv ppbv %ppbv %RPD Rec/RPD
156-60-5 trans-1,2-Dichloroethylene 10 12.4 124 12.1 121 2 70-130/30
156-59-2 cis-1,2-Dichloroethylene 10 12.4 124 12.0 120 3 70-130/30
127-18-4 Tetrachloroethylene 10 9.4 94 9.6 96 2 70-130/30
79-01-6 Trichloroethylene 10 11.7 117 11.1 111 5 70-130/30
75-01-4 Vinyl chloride 10 9.9 99 9.5 95 4 70-130/30
CAS No.Surrogate Recoveries BSP BSD Limits
460-00-4 4-Bromofluorobenzene 111%108%65-128%
* = Outside of Control Limits.
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Blank Spike/Blank Spike Duplicate Summary Page 1 of 1
Job Number:JD70982R
Account:URSNCC AECOM, INC.
Project:Belmont Cleaners (DC360008), Belmont, NC
Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
V5W2075-BS 5W50561.D 1 06/21/23 WC n/a n/a V5W2075
V5W2075-BSD 5W50562.D 1 06/21/23 WC n/a n/a V5W2075
The QC reported here applies to the following samples:Method: TO-15
V5W2075-SCC
Spike BSP BSP BSD BSD Limits
CAS No.Compound ppbv ppbv %ppbv %RPD Rec/RPD
156-60-5 trans-1,2-Dichloroethylene 10 9.0 90 9.2 92 2 70-130/30
156-59-2 cis-1,2-Dichloroethylene 10 8.8 88 8.9 89 1 70-130/30
127-18-4 Tetrachloroethylene 10 9.7 97 10 100 3 70-130/30
79-01-6 Trichloroethylene 10 9.8 98 9.8 98 0 70-130/30
75-01-4 Vinyl chloride 10 8.6 86 8.6 86 0 70-130/30
CAS No.Surrogate Recoveries BSP BSD Limits
460-00-4 4-Bromofluorobenzene 103%103%65-128%
* = Outside of Control Limits.
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Blank Spike/Blank Spike Duplicate Summary Page 1 of 1
Job Number:JD70982R
Account:URSNCC AECOM, INC.
Project:Belmont Cleaners (DC360008), Belmont, NC
Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
V3W3219-BS 3W81469.D 1 07/08/23 TCH n/a n/a V3W3219
V3W3219-BSD 3W81470.D 1 07/08/23 TCH n/a n/a V3W3219
The QC reported here applies to the following samples:Method: TO-15
V3W3219-SCC
Spike BSP BSP BSD BSD Limits
CAS No.Compound ppbv ppbv %ppbv %RPD Rec/RPD
156-60-5 trans-1,2-Dichloroethylene 10 10.9 109 10.9 109 0 70-130/30
156-59-2 cis-1,2-Dichloroethylene 10 10.7 107 10.7 107 0 70-130/30
127-18-4 Tetrachloroethylene 10 11.8 118 11.7 117 1 70-130/30
79-01-6 Trichloroethylene 10 11.3 113 11.2 112 1 70-130/30
75-01-4 Vinyl chloride 10 10.8 108 10.7 107 1 70-130/30
CAS No.Surrogate Recoveries BSP BSD Limits
460-00-4 4-Bromofluorobenzene 108%107%65-128%
* = Outside of Control Limits.
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Duplicate Summary Page 1 of 1
Job Number:JD70982R
Account:URSNCC AECOM, INC.
Project:Belmont Cleaners (DC360008), Belmont, NC
Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
JD71807-1DUP 5W51263.D 1 08/30/23 WC n/a n/a V5W2106
JD71807-1 5W51262.D 1 08/30/23 WC n/a n/a V5W2106
The QC reported here applies to the following samples:Method: TO-15
JD70982-1R, JD70982-2R, JD70982-4R
JD71807-1 DUP
CAS No.Compound ppbv Q ppbv Q RPD Limits
156-60-5 trans-1,2-Dichloroethylene ND ND nc 25
156-59-2 cis-1,2-Dichloroethylene ND ND nc 25
127-18-4 Tetrachloroethylene ND ND nc 25
79-01-6 Trichloroethylene ND ND nc 25
75-01-4 Vinyl chloride ND ND nc 25
CAS No.Surrogate Recoveries DUP JD71807-1 Limits
460-00-4 4-Bromofluorobenzene 106%105%65-128%
* = Outside of Control Limits.
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Summa Cleaning Certification Page 1 of 1
Job Number:JD70982R
Account:URSNCC AECOM, INC.
Project:Belmont Cleaners (DC360008), Belmont, NC
Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
V3W3180-SCC 3W80600.D 1 05/05/23 TCH n/a n/a V3W3180
The QC reported here (Summa M133) applies to the following samples:Method: TO-15
Batch CP12216 cleaned 04/13/23: JD70982-2R(A814)
CAS No.Compound Result RL MDL Units Q Result RL Units
156-60-5 trans-1,2-Dichloroethylene ND 0.20 0.069 ppbv ND 0.79 ug/m3
156-59-2 cis-1,2-Dichloroethylene ND 0.20 0.077 ppbv ND 0.79 ug/m3
127-18-4 Tetrachloroethylene ND 0.040 0.014 ppbv ND 0.27 ug/m3
79-01-6 Trichloroethylene ND 0.040 0.019 ppbv ND 0.21 ug/m3
75-01-4 Vinyl chloride ND 0.20 0.069 ppbv ND 0.51 ug/m3
CAS No.Surrogate Recoveries Limits
460-00-4 4-Bromofluorobenzene 92%65-128%
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Summa Cleaning Certification Page 1 of 1
Job Number:JD70982R
Account:URSNCC AECOM, INC.
Project:Belmont Cleaners (DC360008), Belmont, NC
Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
V5W2075-SCC 5W50570.D 1 06/21/23 WC n/a n/a V5W2075
The QC reported here (Summa A754) applies to the following samples:Method: TO-15
Batch CP12301 cleaned 05/31/23: JD70982-4R(A647)
CAS No.Compound Result RL MDL Units Q Result RL Units
156-60-5 trans-1,2-Dichloroethylene ND 0.20 0.028 ppbv ND 0.79 ug/m3
156-59-2 cis-1,2-Dichloroethylene ND 0.20 0.030 ppbv ND 0.79 ug/m3
127-18-4 Tetrachloroethylene ND 0.040 0.014 ppbv ND 0.27 ug/m3
79-01-6 Trichloroethylene ND 0.040 0.019 ppbv ND 0.21 ug/m3
75-01-4 Vinyl chloride ND 0.20 0.069 ppbv ND 0.51 ug/m3
CAS No.Surrogate Recoveries Limits
460-00-4 4-Bromofluorobenzene 107%65-128%
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Summa Cleaning Certification Page 1 of 1
Job Number:JD70982R
Account:URSNCC AECOM, INC.
Project:Belmont Cleaners (DC360008), Belmont, NC
Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
V3W3219-SCC 3W81492.D 1 07/09/23 TCH n/a n/a V3W3219
The QC reported here (Summa A2180) applies to the following samples:Method: TO-15
Batch CP12225 cleaned 04/17/23: JD70982-1R(A2180)
CAS No.Compound Result RL MDL Units Q Result RL Units
156-60-5 trans-1,2-Dichloroethylene ND 0.20 0.028 ppbv ND 0.79 ug/m3
156-59-2 cis-1,2-Dichloroethylene ND 0.20 0.030 ppbv ND 0.79 ug/m3
127-18-4 Tetrachloroethylene ND 0.040 0.014 ppbv ND 0.27 ug/m3
79-01-6 Trichloroethylene ND 0.040 0.019 ppbv ND 0.21 ug/m3
75-01-4 Vinyl chloride ND 0.20 0.069 ppbv ND 0.51 ug/m3
CAS No.Surrogate Recoveries Limits
460-00-4 4-Bromofluorobenzene 88%65-128%
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Instrument Performance Check (BFB)Page 1 of 1
Job Number:JD70982R
Account:URSNCC AECOM, INC.
Project:Belmont Cleaners (DC360008), Belmont, NC
Sample:V3W3164-BFB Injection Date:04/16/23
Lab File ID:3W80199.D Injection Time:23:56
Instrument ID:GCMS3W
Raw % Relative
m/e Ion Abundance Criteria Abundance Abundance Pass/Fail
50 8.0 - 40.0% of mass 95 29256 22.4 Pass
75 30.0 - 66.0% of mass 95 63392 48.6 Pass
95 Base peak, 100% relative abundance 130323 100.0 Pass
96 5.0 - 9.0% of mass 95 8941 6.86 Pass
173 Less than 2.0% of mass 174 0 0.00 (0.00) a Pass
174 50.0 - 120.0% of mass 95 115315 88.5 Pass
175 4.0 - 9.01% of mass 174 8868 6.80 (7.69) a Pass
176 93.0 - 101.0% of mass 174 115064 88.3 (99.8) a Pass
177 5.0 - 9.0% of mass 176 7544 5.79 (6.56) b Pass
(a) Value is % of mass 174
(b) Value is % of mass 176
This check applies to the following Samples, MS, MSD, Blanks, and Standards:
Lab Lab Date Time Hours Client
Sample ID File ID Analyzed Analyzed Lapsed Sample ID
V3W3164-IC3164 3W80200.D 04/17/23 00:34 00:38 Initial cal 0.04
V3W3164-IC3164 3W80201.D 04/17/23 01:13 01:17 Initial cal 0.1
V3W3164-IC3164 3W80202.D 04/17/23 01:52 01:56 Initial cal 0.2
V3W3164-IC3164 3W80203.D 04/17/23 02:34 02:38 Initial cal 0.5
V3W3164-IC3164 3W80205.D 04/17/23 03:50 03:54 Initial cal 5
V3W3164-ICC3164 3W80206.D 04/17/23 04:30 04:34 Initial cal 10
V3W3164-IC3164 3W80207.D 04/17/23 05:12 05:16 Initial cal 20
V3W3164-IC3164 3W80208.D 04/17/23 05:58 06:02 Initial cal 40
V3W3164-IC3164 3W80209.D 04/17/23 06:46 06:50 Initial cal 50
V3W3164-ICV3164 3W80212.D 04/17/23 08:44 08:48 Initial cal verification 10
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Instrument Performance Check (BFB)Page 1 of 1
Job Number:JD70982R
Account:URSNCC AECOM, INC.
Project:Belmont Cleaners (DC360008), Belmont, NC
Sample:V3W3180-BFB Injection Date:05/05/23
Lab File ID:3W80591.D Injection Time:11:24
Instrument ID:GCMS3W
Raw % Relative
m/e Ion Abundance Criteria Abundance Abundance Pass/Fail
50 8.0 - 40.0% of mass 95 28136 19.2 Pass
75 30.0 - 66.0% of mass 95 70101 47.8 Pass
95 Base peak, 100% relative abundance 146752 100.0 Pass
96 5.0 - 9.0% of mass 95 9747 6.64 Pass
173 Less than 2.0% of mass 174 0 0.00 (0.00) a Pass
174 50.0 - 120.0% of mass 95 119581 81.5 Pass
175 4.0 - 9.01% of mass 174 9088 6.19 (7.60) a Pass
176 93.0 - 101.0% of mass 174 119051 81.1 (99.6) a Pass
177 5.0 - 9.0% of mass 176 7952 5.42 (6.68) b Pass
(a) Value is % of mass 174
(b) Value is % of mass 176
This check applies to the following Samples, MS, MSD, Blanks, and Standards:
Lab Lab Date Time Hours Client
Sample ID File ID Analyzed Analyzed Lapsed Sample ID
V3W3180-CC3164 3W80593.D 05/05/23 12:51 01:27 Continuing cal 10
V3W3180-BS 3W80594.D 05/05/23 14:05 02:41 Blank Spike
V3W3180-BSD 3W80595.D 05/05/23 14:45 03:21 Blank Spike Duplicate
V3W3180-MB 3W80597.D 05/05/23 16:21 04:57 Method Blank
V3W3180-SCC 3W80600.D 05/05/23 18:36 07:12 Summa Cleaning Certification
V3W3180-SCC 3W80601.D 05/05/23 19:21 07:57 Summa Cleaning Certification
V3W3180-SCC 3W80603.D 05/05/23 20:50 09:26 Summa Cleaning Certification
V3W3180-SCC 3W80605.D 05/05/23 22:20 10:56 Summa Cleaning Certification
V3W3180-SCC 3W80607.D 05/05/23 23:45 12:21 Summa Cleaning Certification
V3W3180-SCC 3W80608.D 05/06/23 00:25 13:01 Summa Cleaning Certification
V3W3180-SCC 3W80609.D 05/06/23 01:05 13:41 Summa Cleaning Certification
V3W3180-SCC 3W80610.D 05/06/23 01:45 14:21 Summa Cleaning Certification
V3W3180-SCC 3W80611.D 05/06/23 02:24 15:00 Summa Cleaning Certification
V3W3180-SCC 3W80612.D 05/06/23 03:04 15:40 Summa Cleaning Certification
V3W3180-SCC 3W80613.D 05/06/23 03:44 16:20 Summa Cleaning Certification
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Instrument Performance Check (BFB)Page 1 of 1
Job Number:JD70982R
Account:URSNCC AECOM, INC.
Project:Belmont Cleaners (DC360008), Belmont, NC
Sample:V3W3211-BFB Injection Date:06/27/23
Lab File ID:3W81287.D Injection Time:17:48
Instrument ID:GCMS3W
Raw % Relative
m/e Ion Abundance Criteria Abundance Abundance Pass/Fail
50 8.0 - 40.0% of mass 95 29685 21.3 Pass
75 30.0 - 66.0% of mass 95 67699 48.5 Pass
95 Base peak, 100% relative abundance 139523 100.0 Pass
96 5.0 - 9.0% of mass 95 9394 6.73 Pass
173 Less than 2.0% of mass 174 0 0.00 (0.00) a Pass
174 50.0 - 120.0% of mass 95 124496 89.2 Pass
175 4.0 - 9.01% of mass 174 9513 6.82 (7.64) a Pass
176 93.0 - 101.0% of mass 174 122504 87.8 (98.4) a Pass
177 5.0 - 9.0% of mass 176 8144 5.84 (6.65) b Pass
(a) Value is % of mass 174
(b) Value is % of mass 176
This check applies to the following Samples, MS, MSD, Blanks, and Standards:
Lab Lab Date Time Hours Client
Sample ID File ID Analyzed Analyzed Lapsed Sample ID
V3W3211-IC3211 3W81288.D 06/27/23 18:28 00:40 Initial cal 0.04
V3W3211-IC3211 3W81289.D 06/27/23 19:08 01:20 Initial cal 0.1
V3W3211-IC3211 3W81290.D 06/27/23 19:48 02:00 Initial cal 0.2
V3W3211-IC3211 3W81291.D 06/27/23 20:30 02:42 Initial cal 0.5
V3W3211-IC3211 3W81293.D 06/27/23 21:48 04:00 Initial cal 5
V3W3211-ICC3211 3W81294.D 06/27/23 22:29 04:41 Initial cal 10
V3W3211-IC3211 3W81295.D 06/27/23 23:11 05:23 Initial cal 20
V3W3211-IC3211 3W81296.D 06/27/23 23:57 06:09 Initial cal 40
V3W3211-ICV3211 3W81300.D 06/28/23 02:45 08:57 Initial cal verification 10
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Job Number:JD70982R
Account:URSNCC AECOM, INC.
Project:Belmont Cleaners (DC360008), Belmont, NC
Sample:V3W3219-BFB Injection Date:07/08/23
Lab File ID:3W81467.D Injection Time:08:36
Instrument ID:GCMS3W
Raw % Relative
m/e Ion Abundance Criteria Abundance Abundance Pass/Fail
50 8.0 - 40.0% of mass 95 37264 21.8 Pass
75 30.0 - 66.0% of mass 95 84248 49.3 Pass
95 Base peak, 100% relative abundance 170901 100.0 Pass
96 5.0 - 9.0% of mass 95 11390 6.66 Pass
173 Less than 2.0% of mass 174 0 0.00 (0.00) a Pass
174 50.0 - 120.0% of mass 95 182187 106.6 Pass
175 4.0 - 9.01% of mass 174 13635 7.98 (7.48) a Pass
176 93.0 - 101.0% of mass 174 177323 103.8 (97.3) a Pass
177 5.0 - 9.0% of mass 176 11666 6.83 (6.58) b Pass
(a) Value is % of mass 174
(b) Value is % of mass 176
This check applies to the following Samples, MS, MSD, Blanks, and Standards:
Lab Lab Date Time Hours Client
Sample ID File ID Analyzed Analyzed Lapsed Sample ID
V3W3219-CC3211 3W81468.D 07/08/23 09:17 00:41 Continuing cal 10
V3W3219-BS 3W81469.D 07/08/23 10:05 01:29 Blank Spike
V3W3219-BSD 3W81470.D 07/08/23 10:45 02:09 Blank Spike Duplicate
V3W3219-MB 3W81472.D 07/08/23 12:13 03:37 Method Blank
JD68712-1 3W81475.D 07/08/23 14:14 05:38 (used for QC only; not part of job JD70982R)
JD68712-1DUP 3W81476.D 07/08/23 14:55 06:19 Duplicate
ZZZZZZ 3W81477.D 07/08/23 15:35 06:59 (unrelated sample)
ZZZZZZ 3W81479.D 07/08/23 16:55 08:19 (unrelated sample)
ZZZZZZ 3W81480.D 07/08/23 17:41 09:05 (unrelated sample)
ZZZZZZ 3W81481.D 07/08/23 18:20 09:44 (unrelated sample)
ZZZZZZ 3W81482.D 07/08/23 19:01 10:25 (unrelated sample)
ZZZZZZ 3W81483.D 07/08/23 19:41 11:05 (unrelated sample)
ZZZZZZ 3W81484.D 07/08/23 20:24 11:48 (unrelated sample)
ZZZZZZ 3W81485.D 07/08/23 21:04 12:28 (unrelated sample)
ZZZZZZ 3W81486.D 07/08/23 21:44 13:08 (unrelated sample)
ZZZZZZ 3W81487.D 07/08/23 22:27 13:51 (unrelated sample)
ZZZZZZ 3W81489.D 07/08/23 23:47 15:11 (unrelated sample)
ZZZZZZ 3W81490.D 07/09/23 00:28 15:52 (unrelated sample)
V3W3219-SCC 3W81492.D 07/09/23 01:54 17:18 Summa Cleaning Certification
V3W3219-SCC 3W81493.D 07/09/23 02:39 18:03 Summa Cleaning Certification
V3W3219-SCC 3W81494.D 07/09/23 03:25 18:49 Summa Cleaning Certification
V3W3219-SCC 3W81495.D 07/09/23 04:10 19:34 Summa Cleaning Certification
V3W3219-SCC 3W81496.D 07/09/23 04:56 20:20 Summa Cleaning Certification
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Instrument Performance Check (BFB)Page 1 of 1
Job Number:JD70982R
Account:URSNCC AECOM, INC.
Project:Belmont Cleaners (DC360008), Belmont, NC
Sample:V5W2072-BFB Injection Date:06/09/23
Lab File ID:5W50500.D Injection Time:20:42
Instrument ID:GCMS5W
Raw % Relative
m/e Ion Abundance Criteria Abundance Abundance Pass/Fail
50 8.0 - 40.0% of mass 95 77189 19.4 Pass
75 30.0 - 66.0% of mass 95 192939 48.5 Pass
95 Base peak, 100% relative abundance 397547 100.0 Pass
96 5.0 - 9.0% of mass 95 27333 6.88 Pass
173 Less than 2.0% of mass 174 2656 0.67 (0.70) a Pass
174 50.0 - 120.0% of mass 95 377237 94.9 Pass
175 4.0 - 9.01% of mass 174 27200 6.84 (7.21) a Pass
176 93.0 - 101.0% of mass 174 358635 90.2 (95.1) a Pass
177 5.0 - 9.0% of mass 176 23984 6.03 (6.69) b Pass
(a) Value is % of mass 174
(b) Value is % of mass 176
This check applies to the following Samples, MS, MSD, Blanks, and Standards:
Lab Lab Date Time Hours Client
Sample ID File ID Analyzed Analyzed Lapsed Sample ID
V5W2072-IC2072 5W50501.D 06/09/23 21:21 00:39 Initial cal 0.04
V5W2072-IC2072 5W50502.D 06/09/23 22:00 01:18 Initial cal 0.1
V5W2072-IC2072 5W50503.D 06/09/23 22:39 01:57 Initial cal 0.2
V5W2072-IC2072 5W50504.D 06/09/23 23:17 02:35 Initial cal 0.5
V5W2072-IC2072 5W50506.D 06/10/23 00:36 03:54 Initial cal 5
V5W2072-ICC2072 5W50507.D 06/10/23 01:15 04:33 Initial cal 10
V5W2072-IC2072 5W50508.D 06/10/23 01:53 05:11 Initial cal 20
V5W2072-IC2072 5W50509.D 06/10/23 02:33 05:51 Initial cal 40
V5W2072-IC2072 5W50510.D 06/10/23 03:14 06:32 Initial cal 50
V5W2072-ICV2072 5W50513.D 06/10/23 05:12 08:30 Initial cal verification 10
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Job Number:JD70982R
Account:URSNCC AECOM, INC.
Project:Belmont Cleaners (DC360008), Belmont, NC
Sample:V5W2075-BFB Injection Date:06/21/23
Lab File ID:5W50558.D Injection Time:12:08
Instrument ID:GCMS5W
Raw % Relative
m/e Ion Abundance Criteria Abundance Abundance Pass/Fail
50 8.0 - 40.0% of mass 95 73989 22.3 Pass
75 30.0 - 66.0% of mass 95 158293 47.6 Pass
95 Base peak, 100% relative abundance 332523 100.0 Pass
96 5.0 - 9.0% of mass 95 22411 6.74 Pass
173 Less than 2.0% of mass 174 0 0.00 (0.00) a Pass
174 50.0 - 120.0% of mass 95 308139 92.7 Pass
175 4.0 - 9.01% of mass 174 22779 6.85 (7.39) a Pass
176 93.0 - 101.0% of mass 174 300971 90.5 (97.7) a Pass
177 5.0 - 9.0% of mass 176 20107 6.05 (6.68) b Pass
(a) Value is % of mass 174
(b) Value is % of mass 176
This check applies to the following Samples, MS, MSD, Blanks, and Standards:
Lab Lab Date Time Hours Client
Sample ID File ID Analyzed Analyzed Lapsed Sample ID
V5W2075-CC2072 5W50559.D 06/21/23 12:47 00:39 Continuing cal 10
V5W2075-BS 5W50561.D 06/21/23 16:53 04:45 Blank Spike
V5W2075-BSD 5W50562.D 06/21/23 17:31 05:23 Blank Spike Duplicate
V5W2075-MB 5W50565.D 06/21/23 19:30 07:22 Method Blank
V5W2075-SCC 5W50566.D 06/21/23 20:08 08:00 Summa Cleaning Certification
V5W2075-SCC 5W50567.D 06/21/23 20:48 08:40 Summa Cleaning Certification
V5W2075-SCC 5W50568.D 06/21/23 21:26 09:18 Summa Cleaning Certification
V5W2075-SCC 5W50569.D 06/21/23 22:07 09:59 Summa Cleaning Certification
V5W2075-SCC 5W50570.D 06/21/23 22:45 10:37 Summa Cleaning Certification
V5W2075-SCC 5W50571.D 06/21/23 23:24 11:16 Summa Cleaning Certification
V5W2075-SCC 5W50572.D 06/22/23 00:03 11:55 Summa Cleaning Certification
V5W2075-SCC 5W50573.D 06/22/23 00:43 12:35 Summa Cleaning Certification
V5W2075-SCC 5W50574.D 06/22/23 01:21 13:13 Summa Cleaning Certification
V5W2075-SCC 5W50575.D 06/22/23 02:01 13:53 Summa Cleaning Certification
V5W2075-SCC 5W50576.D 06/22/23 02:39 14:31 Summa Cleaning Certification
V5W2075-SCC 5W50577.D 06/22/23 03:18 15:10 Summa Cleaning Certification
V5W2075-SCC 5W50579.D 06/22/23 04:40 16:32 Summa Cleaning Certification
V5W2075-SCC 5W50580.D 06/22/23 05:20 17:12 Summa Cleaning Certification
V5W2075-SCC 5W50581.D 06/22/23 06:00 17:52 Summa Cleaning Certification
V5W2075-SCC 5W50582.D 06/22/23 06:39 18:31 Summa Cleaning Certification
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Instrument Performance Check (BFB)Page 1 of 1
Job Number:JD70982R
Account:URSNCC AECOM, INC.
Project:Belmont Cleaners (DC360008), Belmont, NC
Sample:V5W2103-BFB Injection Date:08/25/23
Lab File ID:5W51188.D Injection Time:17:32
Instrument ID:GCMS5W
Raw % Relative
m/e Ion Abundance Criteria Abundance Abundance Pass/Fail
50 8.0 - 40.0% of mass 95 62747 18.8 Pass
75 30.0 - 66.0% of mass 95 161472 48.3 Pass
95 Base peak, 100% relative abundance 334080 100.0 Pass
96 5.0 - 9.0% of mass 95 22147 6.63 Pass
173 Less than 2.0% of mass 174 2952 0.88 (0.93) a Pass
174 50.0 - 120.0% of mass 95 318443 95.3 Pass
175 4.0 - 9.01% of mass 174 24123 7.22 (7.58) a Pass
176 93.0 - 101.0% of mass 174 306944 91.9 (96.4) a Pass
177 5.0 - 9.0% of mass 176 20587 6.16 (6.71) b Pass
(a) Value is % of mass 174
(b) Value is % of mass 176
This check applies to the following Samples, MS, MSD, Blanks, and Standards:
Lab Lab Date Time Hours Client
Sample ID File ID Analyzed Analyzed Lapsed Sample ID
V5W2103-IC2103 5W51189.D 08/25/23 18:11 00:39 Initial cal 0.04
V5W2103-IC2103 5W51190.D 08/25/23 18:50 01:18 Initial cal 0.1
V5W2103-IC2103 5W51191.D 08/25/23 19:30 01:58 Initial cal 0.2
V5W2103-IC2103 5W51192.D 08/25/23 20:11 02:39 Initial cal 0.5
V5W2103-IC2103 5W51194.D 08/25/23 21:29 03:57 Initial cal 5
V5W2103-ICC2103 5W51195.D 08/25/23 22:09 04:37 Initial cal 10
V5W2103-IC2103 5W51196.D 08/25/23 22:51 05:19 Initial cal 20
V5W2103-IC2103 5W51197.D 08/25/23 23:36 06:04 Initial cal 40
V5W2103-IC2103 5W51198.D 08/26/23 00:23 06:51 Initial cal 50
V5W2103-ICV2103 5W51201.D 08/26/23 02:25 08:53 Initial cal verification 10
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Instrument Performance Check (BFB)Page 1 of 1
Job Number:JD70982R
Account:URSNCC AECOM, INC.
Project:Belmont Cleaners (DC360008), Belmont, NC
Sample:V5W2106-BFB Injection Date:08/30/23
Lab File ID:5W51254.D Injection Time:09:20
Instrument ID:GCMS5W
Raw % Relative
m/e Ion Abundance Criteria Abundance Abundance Pass/Fail
50 8.0 - 40.0% of mass 95 66528 17.7 Pass
75 30.0 - 66.0% of mass 95 182016 48.5 Pass
95 Base peak, 100% relative abundance 374933 100.0 Pass
96 5.0 - 9.0% of mass 95 24787 6.61 Pass
173 Less than 2.0% of mass 174 3161 0.84 (0.88) a Pass
174 50.0 - 120.0% of mass 95 360192 96.1 Pass
175 4.0 - 9.01% of mass 174 27251 7.27 (7.57) a Pass
176 93.0 - 101.0% of mass 174 362667 96.7 (100.7) a Pass
177 5.0 - 9.0% of mass 176 23224 6.19 (6.40) b Pass
(a) Value is % of mass 174
(b) Value is % of mass 176
This check applies to the following Samples, MS, MSD, Blanks, and Standards:
Lab Lab Date Time Hours Client
Sample ID File ID Analyzed Analyzed Lapsed Sample ID
V5W2106-CC2103 5W51255.D 08/30/23 10:00 00:40 Continuing cal 10
V5W2106-BS 5W51256.D 08/30/23 10:50 01:30 Blank Spike
V5W2106-BSD 5W51257.D 08/30/23 11:30 02:10 Blank Spike Duplicate
V5W2106-MB 5W51259.D 08/30/23 13:07 03:47 Method Blank
ZZZZZZ 5W51260.D 08/30/23 13:58 04:38 (unrelated sample)
JD71807-1 5W51262.D 08/30/23 15:18 05:58 (used for QC only; not part of job JD70982R)
JD71807-1DUP 5W51263.D 08/30/23 15:58 06:38 Duplicate
ZZZZZZ 5W51264.D 08/30/23 16:38 07:18 (unrelated sample)
JD70982-1R 5W51265.D 08/30/23 17:24 08:04 IA-4
JD70982-2R 5W51266.D 08/30/23 18:09 08:49 IA-5
JD70982-4R 5W51267.D 08/30/23 18:50 09:30 SSV-4
ZZZZZZ 5W51268.D 08/30/23 19:30 10:10 (unrelated sample)
ZZZZZZ 5W51269.D 08/30/23 20:10 10:50 (unrelated sample)
ZZZZZZ 5W51270.D 08/30/23 20:50 11:30 (unrelated sample)
ZZZZZZ 5W51271.D 08/30/23 21:30 12:10 (unrelated sample)
ZZZZZZ 5W51272.D 08/30/23 22:10 12:50 (unrelated sample)
ZZZZZZ 5W51273.D 08/30/23 22:51 13:31 (unrelated sample)
ZZZZZZ 5W51274.D 08/30/23 23:36 14:16 (unrelated sample)
ZZZZZZ 5W51275.D 08/31/23 00:22 15:02 (unrelated sample)
ZZZZZZ 5W51276.D 08/31/23 01:07 15:47 (unrelated sample)
ZZZZZZ 5W51277.D 08/31/23 01:48 16:28 (unrelated sample)
ZZZZZZ 5W51278.D 08/31/23 02:28 17:08 (unrelated sample)
ZZZZZZ 5W51279.D 08/31/23 03:08 17:48 (unrelated sample)
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Surrogate Recovery Summary Page 1 of 1
Job Number:JD70982R
Account:URSNCC AECOM, INC.
Project:Belmont Cleaners (DC360008), Belmont, NC
Method:TO-15 Matrix:AIR
Samples and QC shown here apply to the above method
Lab Lab
Sample ID File ID S1
JD70982-1R 5W51265.D 107
JD70982-2R 5W51266.D 107
JD70982-4R 5W51267.D 107
JD71807-1DUP 5W51263.D 106
V3W3180-SCC 3W80600.D 92
V3W3219-SCC 3W81492.D 88
V5W2075-SCC 5W50570.D 107
V5W2106-BS 5W51256.D 102
V5W2106-BSD 5W51257.D 104
V5W2106-MB 5W51259.D 105
V3W3180-BS 3W80594.D 111
V3W3180-BSD 3W80595.D 108
V3W3180-MB 3W80597.D 84
V3W3219-BS 3W81469.D 108
V3W3219-BSD 3W81470.D 107
V3W3219-MB 3W81472.D 89
V5W2075-BS 5W50561.D 103
V5W2075-BSD 5W50562.D 103
V5W2075-MB 5W50565.D 107
Surrogate Recovery
Compounds Limits
S1 = 4-Bromofluorobenzene 65-128%
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11/10/23
Technical Report for
AECOM, INC.
Belmont Cleaners (DC360008), Belmont, NC
60709305
SGS Job Number: JD75781
Sampling Date: 10/27/23
Report to:
AECOM, INC.
6000 Fairview Road Suite 200
Charlotte, NC 28210
[e-mail]; [e-mail]
ATTN: Madalyn Stone
Total number of pages in report:
Certifications: NJ(12129), NY(10983), CA, CT, FL, IL, IN, KS, KY, LA, MA, MD, ME, MN, NC,
OH VAP (CL0056), AK (UST-103), AZ (AZ0786), PA(68-00408), RI, SC, TX, UT, VA, WV
This report shall not be reproduced, except in its entirety, without the written approval of SGS.
Test results relate only to samples analyzed.
SGS North America Inc.  2235 Route 130  Dayton, NJ 08810  tel: [phone] 
Test results contained within this data package meet the requirements
of the National Environmental Laboratory Accreditation Program
and/or state specific certification programs as applicable unless noted
in the narrative, comments or footnotes.
Client Service contact: Beth Stopen 732-329-0200
David Chastain
General Manager
Dayton, NJ 11/10/23
e-Hardcopy 2.0
Automated Report
30
SGS is the sole authority for authorizing edits or modifications to this document.
Unauthorized modification of this report is strictly prohibited.
Review standard terms at: http://www.sgs.com/en/terms-and-conditions
The results set forth herein are provided by SGS North America Inc.
Please share your ideas about
how we can serve you better at:
[e-mail]
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JD75781
Table of Contents
-1-
Sections:
Section 1: Sample Summary ...................................................................................................3
Section 2: Case Narrative/Conformance Summary ..............................................................4
Section 3: Summary of Hits ....................................................................................................5
Section 4: Sample Results ........................................................................................................6
4.1: JD75781-1: SG-10 ........................................................................................................7
4.2: JD75781-2: SG-11 ........................................................................................................8
4.3: JD75781-3: SG-12 ........................................................................................................9
4.4: JD75781-4: SG-13 ........................................................................................................10
4.5: JD75781-5: SG-14 ........................................................................................................11
4.6: JD75781-6: SG-15 ........................................................................................................12
4.7: JD75781-7: SG-16 ........................................................................................................13
Section 5: Misc. Forms ............................................................................................................14
5.1: Chain of Custody ...........................................................................................................15
5.2: Summa Canister and Flow Controller Log ....................................................................17
Section 6: MS Volatiles - QC Data Summaries .....................................................................18
6.1: Method Blank Summary ................................................................................................19
6.2: Blank Spike/Blank Spike Duplicate Summary ..............................................................21
6.3: Duplicate Summary .......................................................................................................23
6.4: Summa Cleaning Certification ......................................................................................24
6.5: Instrument Performance Checks (BFB) .........................................................................26
6.6: Surrogate Recovery Summaries .....................................................................................30
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SGS North America Inc.
Sample Summary
AECOM, INC.
Job No:JD75781
Belmont Cleaners (DC360008), Belmont, NC
Project No: 60709305
Sample Collected Matrix Client
Number Date Time By Received Code Type Sample ID
This report contains results reported as ND = Not detected. The following applies:
Organics ND = Not detected above the MDL
JD75781-1 10/27/23 15:52 EL 10/31/23 AIR Soil Vapor Comp.SG-10
JD75781-2 10/27/23 14:02 EL 10/31/23 AIR Soil Vapor Comp.SG-11
JD75781-3 10/27/23 14:20 EL 10/31/23 AIR Soil Vapor Comp.SG-12
JD75781-4 10/27/23 14:36 EL 10/31/23 AIR Soil Vapor Comp.SG-13
JD75781-5 10/27/23 14:55 EL 10/31/23 AIR Soil Vapor Comp.SG-14
JD75781-6 10/27/23 15:12 EL 10/31/23 AIR Soil Vapor Comp.SG-15
JD75781-7 10/27/23 15:32 EL 10/31/23 AIR Soil Vapor Comp.SG-16
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On 10/31/2023, 7 sample(s), 0 Trip Blank(s), and 0 Field Blank(s) were received at SGS North America Inc. (SGS) at a temperature
of XXXXNO TEMPERATURE FOUNDXXXX °C. The samples were intact and properly preserved, unless noted below. An SGS
Job Number of JD75781 was assigned to the project. The lab sample ID, client sample ID, and date of sample collection are
detailed in the report’s Results Summary.
Specified quality control criteria were achieved for this job except as noted below. For more information, please refer to the
analytical results and QC summary pages.
Client:AECOM, INC.
Site:Belmont Cleaners (DC360008), Belmont, NC
Job No:JD75781
Report Date 11/10/2023 7:54:01 A
CASE NARRATIVE / CONFORMANCE SUMMARY
MS Volatiles By Method TO-15
Matrix:AIR Batch ID:V3W3264
All samples were analyzed within the recommended method holding time.
All method blanks for this batch meet method specific criteria.
Sample(s) JD75682-4DUP were used as the QC samples indicated.
SGS certifies that data reported for samples received, listed on the associated custody chain or analytical task order, were produced
to specifications meeting SGS's Quality System precision, accuracy and completeness objectives except as noted.
Estimated non-standard method measurement uncertainty data is available on request, based on quality control bias and implicit for
standard methods. Acceptable uncertainty requires tested parameter quality control data to meet method criteria.
SGS is not responsible for data quality assumptions if partial reports are used and recommends that this report be used in its entirety.
This report is authorized by SGS indicated via signature on the report cover.
Friday, November 10, 2023 Page 1 of 1
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Summary of Hits Page 1 of 1
Job Number:JD75781
Account:AECOM, INC.
Project:Belmont Cleaners (DC360008), Belmont, NC
Collected:10/27/23
Lab Sample ID Client Sample ID Result/
Analyte Qual RL MDL Units Method
JD75781-1 SG-10
Tetrachloroethylene 446 0.64 0.22 ppbv TO-15
Tetrachloroethylene 3020 4.3 1.5 ug/m3 TO-15
JD75781-2 SG-11
Tetrachloroethylene 285 0.32 0.11 ppbv TO-15
Trichloroethylene 0.84 0.32 0.15 ppbv TO-15
Tetrachloroethylene 1930 2.2 0.75 ug/m3 TO-15
Trichloroethylene 4.5 1.7 0.81 ug/m3 TO-15
JD75781-3 SG-12
trans-1,2-Dichloroethylene 6.2 0.80 0.11 ppbv TO-15
cis-1,2-Dichloroethylene 28.3 0.80 0.12 ppbv TO-15
Tetrachloroethylene 23.6 0.16 0.056 ppbv TO-15
Trichloroethylene 47.3 0.16 0.076 ppbv TO-15
Vinyl chloride 3.0 0.80 0.28 ppbv TO-15
trans-1,2-Dichloroethylene 25 3.2 0.44 ug/m3 TO-15
cis-1,2-Dichloroethylene 112 3.2 0.48 ug/m3 TO-15
Tetrachloroethylene 160 1.1 0.38 ug/m3 TO-15
Trichloroethylene 254 0.86 0.41 ug/m3 TO-15
Vinyl chloride 7.7 2.0 0.72 ug/m3 TO-15
JD75781-4 SG-13
Tetrachloroethylene 788 0.80 0.28 ppbv TO-15
Tetrachloroethylene 5340 5.4 1.9 ug/m3 TO-15
JD75781-5 SG-14
Tetrachloroethylene 54.6 0.16 0.056 ppbv TO-15
Tetrachloroethylene 370 1.1 0.38 ug/m3 TO-15
JD75781-6 SG-15
Tetrachloroethylene 155 0.16 0.056 ppbv TO-15
Tetrachloroethylene 1050 1.1 0.38 ug/m3 TO-15
JD75781-7 SG-16
Tetrachloroethylene 122 0.16 0.056 ppbv TO-15
Tetrachloroethylene 827 1.1 0.38 ug/m3 TO-15
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Sample Results
Report of Analysis
Dayton, NJ
Section 4
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Report of Analysis Page 1 of 1
Client Sample ID:SG-10
Lab Sample ID:JD75781-1 Date Sampled:10/27/23
Matrix:AIR - Soil Vapor Comp. Summa ID: A2416 Date Received:10/31/23
Method:TO-15 Percent Solids:n/a
Project:Belmont Cleaners (DC360008), Belmont, NC
File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
Run #1 3W82902.D 1 11/04/23 17:51 TS n/a n/a V3W3264
Run #2
Initial Volume
Run #1 25.0 ml
Run #2
305 Webster Avenue, Cambridge, MA
CAS No.MW Compound Result RL MDL Units Q Result RL MDL Units
156-60-5 96.94 trans-1,2-Dichloroethylene ND 3.2 0.45 ppbv ND 13 1.8 ug/m3
156-59-2 96.94 cis-1,2-Dichloroethylene ND 3.2 0.48 ppbv ND 13 1.9 ug/m3
127-18-4 165.8 Tetrachloroethylene 446 0.64 0.22 ppbv 3020 4.3 1.5 ug/m3
79-01-6 131.4 Trichloroethylene ND 0.64 0.30 ppbv ND 3.4 1.6 ug/m3
75-01-4 62.5 Vinyl chloride ND 3.2 1.1 ppbv ND 8.2 2.8 ug/m3
CAS No.Surrogate Recoveries Run# 1 Run# 2 Limits
460-00-4 4-Bromofluorobenzene 100%65-128%
ND = Not detected MDL = Method Detection Limit J = Indicates an estimated value
RL = Reporting Limit B = Indicates analyte found in associated method blank
E = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound
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Report of Analysis Page 1 of 1
Client Sample ID:SG-11
Lab Sample ID:JD75781-2 Date Sampled:10/27/23
Matrix:AIR - Soil Vapor Comp. Summa ID: A2419 Date Received:10/31/23
Method:TO-15 Percent Solids:n/a
Project:Belmont Cleaners (DC360008), Belmont, NC
File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
Run #1 3W82903.D 1 11/04/23 18:31 TS n/a n/a V3W3264
Run #2
Initial Volume
Run #1 50.0 ml
Run #2
305 Webster Avenue, Cambridge, MA
CAS No.MW Compound Result RL MDL Units Q Result RL MDL Units
156-60-5 96.94 trans-1,2-Dichloroethylene ND 1.6 0.22 ppbv ND 6.3 0.87 ug/m3
156-59-2 96.94 cis-1,2-Dichloroethylene ND 1.6 0.24 ppbv ND 6.3 0.95 ug/m3
127-18-4 165.8 Tetrachloroethylene 285 0.32 0.11 ppbv 1930 2.2 0.75 ug/m3
79-01-6 131.4 Trichloroethylene 0.84 0.32 0.15 ppbv 4.5 1.7 0.81 ug/m3
75-01-4 62.5 Vinyl chloride ND 1.6 0.55 ppbv ND 4.1 1.4 ug/m3
CAS No.Surrogate Recoveries Run# 1 Run# 2 Limits
460-00-4 4-Bromofluorobenzene 98%65-128%
ND = Not detected MDL = Method Detection Limit J = Indicates an estimated value
RL = Reporting Limit B = Indicates analyte found in associated method blank
E = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound
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Report of Analysis Page 1 of 1
Client Sample ID:SG-12
Lab Sample ID:JD75781-3 Date Sampled:10/27/23
Matrix:AIR - Soil Vapor Comp. Summa ID: A1573 Date Received:10/31/23
Method:TO-15 Percent Solids:n/a
Project:Belmont Cleaners (DC360008), Belmont, NC
File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
Run #1 3W82904.D 1 11/04/23 19:12 TS n/a n/a V3W3264
Run #2
Initial Volume
Run #1 100 ml
Run #2
305 Webster Avenue, Cambridge, MA
CAS No.MW Compound Result RL MDL Units Q Result RL MDL Units
156-60-5 96.94 trans-1,2-Dichloroethylene 6.2 0.80 0.11 ppbv 25 3.2 0.44 ug/m3
156-59-2 96.94 cis-1,2-Dichloroethylene 28.3 0.80 0.12 ppbv 112 3.2 0.48 ug/m3
127-18-4 165.8 Tetrachloroethylene 23.6 0.16 0.056 ppbv 160 1.1 0.38 ug/m3
79-01-6 131.4 Trichloroethylene 47.3 0.16 0.076 ppbv 254 0.86 0.41 ug/m3
75-01-4 62.5 Vinyl chloride 3.0 0.80 0.28 ppbv 7.7 2.0 0.72 ug/m3
CAS No.Surrogate Recoveries Run# 1 Run# 2 Limits
460-00-4 4-Bromofluorobenzene 97%65-128%
ND = Not detected MDL = Method Detection Limit J = Indicates an estimated value
RL = Reporting Limit B = Indicates analyte found in associated method blank
E = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound
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Report of Analysis Page 1 of 1
Client Sample ID:SG-13
Lab Sample ID:JD75781-4 Date Sampled:10/27/23
Matrix:AIR - Soil Vapor Comp. Summa ID: A1958 Date Received:10/31/23
Method:TO-15 Percent Solids:n/a
Project:Belmont Cleaners (DC360008), Belmont, NC
File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
Run #1 3W82905.D 1 11/04/23 19:52 TS n/a n/a V3W3264
Run #2
Initial Volume
Run #1 20.0 ml
Run #2
305 Webster Avenue, Cambridge, MA
CAS No.MW Compound Result RL MDL Units Q Result RL MDL Units
156-60-5 96.94 trans-1,2-Dichloroethylene ND 4.0 0.56 ppbv ND 16 2.2 ug/m3
156-59-2 96.94 cis-1,2-Dichloroethylene ND 4.0 0.60 ppbv ND 16 2.4 ug/m3
127-18-4 165.8 Tetrachloroethylene 788 0.80 0.28 ppbv 5340 5.4 1.9 ug/m3
79-01-6 131.4 Trichloroethylene ND 0.80 0.38 ppbv ND 4.3 2.0 ug/m3
75-01-4 62.5 Vinyl chloride ND 4.0 1.4 ppbv ND 10 3.6 ug/m3
CAS No.Surrogate Recoveries Run# 1 Run# 2 Limits
460-00-4 4-Bromofluorobenzene 98%65-128%
ND = Not detected MDL = Method Detection Limit J = Indicates an estimated value
RL = Reporting Limit B = Indicates analyte found in associated method blank
E = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound
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Report of Analysis Page 1 of 1
Client Sample ID:SG-14
Lab Sample ID:JD75781-5 Date Sampled:10/27/23
Matrix:AIR - Soil Vapor Comp. Summa ID: A2311 Date Received:10/31/23
Method:TO-15 Percent Solids:n/a
Project:Belmont Cleaners (DC360008), Belmont, NC
File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
Run #1 3W82906.D 1 11/04/23 20:33 TS n/a n/a V3W3264
Run #2
Initial Volume
Run #1 100 ml
Run #2
305 Webster Avenue, Cambridge, MA
CAS No.MW Compound Result RL MDL Units Q Result RL MDL Units
156-60-5 96.94 trans-1,2-Dichloroethylene ND 0.80 0.11 ppbv ND 3.2 0.44 ug/m3
156-59-2 96.94 cis-1,2-Dichloroethylene ND 0.80 0.12 ppbv ND 3.2 0.48 ug/m3
127-18-4 165.8 Tetrachloroethylene 54.6 0.16 0.056 ppbv 370 1.1 0.38 ug/m3
79-01-6 131.4 Trichloroethylene ND 0.16 0.076 ppbv ND 0.86 0.41 ug/m3
75-01-4 62.5 Vinyl chloride ND 0.80 0.28 ppbv ND 2.0 0.72 ug/m3
CAS No.Surrogate Recoveries Run# 1 Run# 2 Limits
460-00-4 4-Bromofluorobenzene 98%65-128%
ND = Not detected MDL = Method Detection Limit J = Indicates an estimated value
RL = Reporting Limit B = Indicates analyte found in associated method blank
E = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound
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Report of Analysis Page 1 of 1
Client Sample ID:SG-15
Lab Sample ID:JD75781-6 Date Sampled:10/27/23
Matrix:AIR - Soil Vapor Comp. Summa ID: A2310 Date Received:10/31/23
Method:TO-15 Percent Solids:n/a
Project:Belmont Cleaners (DC360008), Belmont, NC
File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
Run #1 3W82907.D 1 11/04/23 21:15 TS n/a n/a V3W3264
Run #2
Initial Volume
Run #1 100 ml
Run #2
305 Webster Avenue, Cambridge, MA
CAS No.MW Compound Result RL MDL Units Q Result RL MDL Units
156-60-5 96.94 trans-1,2-Dichloroethylene ND 0.80 0.11 ppbv ND 3.2 0.44 ug/m3
156-59-2 96.94 cis-1,2-Dichloroethylene ND 0.80 0.12 ppbv ND 3.2 0.48 ug/m3
127-18-4 165.8 Tetrachloroethylene 155 0.16 0.056 ppbv 1050 1.1 0.38 ug/m3
79-01-6 131.4 Trichloroethylene ND 0.16 0.076 ppbv ND 0.86 0.41 ug/m3
75-01-4 62.5 Vinyl chloride ND 0.80 0.28 ppbv ND 2.0 0.72 ug/m3
CAS No.Surrogate Recoveries Run# 1 Run# 2 Limits
460-00-4 4-Bromofluorobenzene 98%65-128%
ND = Not detected MDL = Method Detection Limit J = Indicates an estimated value
RL = Reporting Limit B = Indicates analyte found in associated method blank
E = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound
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Report of Analysis Page 1 of 1
Client Sample ID:SG-16
Lab Sample ID:JD75781-7 Date Sampled:10/27/23
Matrix:AIR - Soil Vapor Comp. Summa ID: A2349 Date Received:10/31/23
Method:TO-15 Percent Solids:n/a
Project:Belmont Cleaners (DC360008), Belmont, NC
File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
Run #1 3W82908.D 1 11/04/23 21:56 TS n/a n/a V3W3264
Run #2
Initial Volume
Run #1 100 ml
Run #2
305 Webster Avenue, Cambridge, MA
CAS No.MW Compound Result RL MDL Units Q Result RL MDL Units
156-60-5 96.94 trans-1,2-Dichloroethylene ND 0.80 0.11 ppbv ND 3.2 0.44 ug/m3
156-59-2 96.94 cis-1,2-Dichloroethylene ND 0.80 0.12 ppbv ND 3.2 0.48 ug/m3
127-18-4 165.8 Tetrachloroethylene 122 0.16 0.056 ppbv 827 1.1 0.38 ug/m3
79-01-6 131.4 Trichloroethylene ND 0.16 0.076 ppbv ND 0.86 0.41 ug/m3
75-01-4 62.5 Vinyl chloride ND 0.80 0.28 ppbv ND 2.0 0.72 ug/m3
CAS No.Surrogate Recoveries Run# 1 Run# 2 Limits
460-00-4 4-Bromofluorobenzene 100%65-128%
ND = Not detected MDL = Method Detection Limit J = Indicates an estimated value
RL = Reporting Limit B = Indicates analyte found in associated method blank
E = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound
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Misc. Forms
Custody Documents and Other Forms
Includes the following where applicable:
 Chain of Custody
 Summa Canister and Flow Controller Log
Dayton, NJ
Section 5
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JD75781: Chain of Custody
Page 1 of 2
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Job Number:JD75781 Client:AECOM, INC.
Date / Time Received:10/31/2023 9:50:00 AM Delivery Method:
Project:BELMONT CLEANERS (DC360008), BELM
4. No. Coolers:N/A
Airbill #'s:
Cooler Security
1. Custody Seals Present:
Y or N
2. Custody Seals Intact:
3. COC Present:
4. Smpl Dates/Time OK
2. Cooler temp verification:
Cooler Temperature Y or N
1. Temp criteria achieved:
3. Cooler media:
N/A
N/A
Quality Control Preservation Y or N N/A
1. Trip Blank present / cooler:
2. Trip Blank listed on COC:
3. Samples preserved properly:
4. VOCs headspace free:
Sample Integrity - Documentation Y or N
1. Sample labels present on bottles:
2. Container labeling complete:
3. Sample container label / COC agree:
Sample Integrity - Condition Y or N
1. Sample recvd within HT:
3. Condition of sample:
2. All containers accounted for:
Sample Integrity - Instructions
1. Analysis requested is clear:
2. Bottles received for unspecified tests
3. Sufficient volume recvd for analysis:
4. Compositing instructions clear:
5. Filtering instructions clear:
Intact
Y or N
Comments
Y or N N/A
Cooler Temps (Raw Measured) °C:
Cooler Temps (Corrected) °C:
SM089-03Rev. Date 12/7/17
SGS Sample Receipt Summary
Test Strip Lot #s:pH 1-12:231619 pH 12+:203117A Other: (Specify)
JD75781: Chain of Custody
Page 2 of 2
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Summa Canister and Flow Controller Log Page 1 of 1
Job Number:JD75781
Account:URSNCC AECOM, INC.
Project:Belmont Cleaners (DC360008), Belmont, NC
Received:10/31/23
SUMMA CANISTERS
Shipping Receiving
Summa Vac Date SCC SCC Sample Date Vac Pres Final Dil
ID L " Hg Out By Batch FileID Number In By " Hg psig psig Fact
A2416 1.4 30 10/19/23 ML CP124288W02406.D JD75781-1 11/01/23 DG 7 1
A2419 1.4 30 10/19/23 ML CP124288W02406.D JD75781-2 11/01/23 DG 5 1
A1573 1.4 30 10/19/23 ML CP124288W02406.D JD75781-3 11/01/23 DG 4 1
A1958 1.4 30 10/19/23 ML CP124358W02397.D JD75781-4 11/01/23 DG 5.5 1
A2311 1.4 30 10/19/23 ML CP124288W02406.D JD75781-5 11/01/23 DG 4.5 1
A2310 1.4 30 10/19/23 ML CP124288W02406.D JD75781-6 11/01/23 DG 4 1
A2349 1.4 30 10/19/23 ML CP124358W02397.D JD75781-7 11/01/23 DG 5 1
FLOW CONTROLLERS / OTHER
Shipping Receiving
Flow Date cc/Time Date cc/Flow
Crtl ID Out By min hrs.In By min RPD Equipment Type
FC956 10/19/23 ML 187 .0833 11/01/23 DG 226 18.9 Flow Controller
FC1004 10/19/23 ML 187 .0833 11/01/23 DG 186 0.5 Flow Controller
FC1008 10/19/23 ML 189 .0833 11/01/23 DG 286 40.8*Flow Controller
FC1033 10/19/23 ML 185 .0833 11/01/23 DG 264 35.2*Flow Controller
FC1082 10/19/23 ML 186 .0833 11/01/23 DG 189 1.6 Flow Controller
FC1226 10/19/23 ML 189 .0833 11/01/23 DG 211 11 Flow Controller
FC1277 10/19/23 ML 185 .0833 11/01/23 DG 261 34.1*Flow Controller
* Flow controller RPD > 20%
SGS Bottle Order(s):
BW-101623-148
Prep Date Room Temp(F)Bar Pres "Hg
10/19/23 70 29.92
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MS Volatiles
QC Data Summaries
Includes the following where applicable:
 Method Blank Summaries
 Blank Spike Summaries
 Matrix Spike and Duplicate Summaries
 Instrument Performance Checks (BFB)
 Surrogate Recovery Summaries
Dayton, NJ
Section 6
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Method Blank Summary Page 1 of 1
Job Number:JD75781
Account:URSNCC AECOM, INC.
Project:Belmont Cleaners (DC360008), Belmont, NC
Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
V3W3264-MB 3W82895.D 1 11/04/23 TS n/a n/a V3W3264
The QC reported here applies to the following samples:Method: TO-15
JD75781-1, JD75781-2, JD75781-3, JD75781-4, JD75781-5, JD75781-6, JD75781-7
CAS No.Compound Result RL MDL Units Q Result RL Units
156-60-5 trans-1,2-Dichloroethylene ND 0.20 0.028 ppbv ND 0.79 ug/m3
156-59-2 cis-1,2-Dichloroethylene ND 0.20 0.030 ppbv ND 0.79 ug/m3
127-18-4 Tetrachloroethylene ND 0.040 0.014 ppbv ND 0.27 ug/m3
79-01-6 Trichloroethylene ND 0.040 0.019 ppbv ND 0.21 ug/m3
75-01-4 Vinyl chloride ND 0.20 0.069 ppbv ND 0.51 ug/m3
CAS No.Surrogate Recoveries Limits
460-00-4 4-Bromofluorobenzene 91%65-128%
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Method Blank Summary Page 1 of 1
Job Number:JD75781
Account:URSNCC AECOM, INC.
Project:Belmont Cleaners (DC360008), Belmont, NC
Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
V8W95-MB 8W02394.D 1 10/03/23 BK n/a n/a V8W95
The QC reported here applies to the following samples:Method: TO-15
V8W95-SCC
CAS No.Compound Result RL MDL Units Q Result RL Units
156-60-5 trans-1,2-Dichloroethylene ND 0.20 0.028 ppbv ND 0.79 ug/m3
156-59-2 cis-1,2-Dichloroethylene ND 0.20 0.030 ppbv ND 0.79 ug/m3
127-18-4 Tetrachloroethylene ND 0.040 0.014 ppbv ND 0.27 ug/m3
79-01-6 Trichloroethylene ND 0.040 0.019 ppbv ND 0.21 ug/m3
75-01-4 Vinyl chloride ND 0.20 0.069 ppbv ND 0.51 ug/m3
CAS No.Surrogate Recoveries Limits
460-00-4 4-Bromofluorobenzene 100%65-128%
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Blank Spike/Blank Spike Duplicate Summary Page 1 of 1
Job Number:JD75781
Account:URSNCC AECOM, INC.
Project:Belmont Cleaners (DC360008), Belmont, NC
Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
V3W3264-BS 3W82892.D 1 11/04/23 TS n/a n/a V3W3264
V3W3264-BSD 3W82893.D 1 11/04/23 TS n/a n/a V3W3264
The QC reported here applies to the following samples:Method: TO-15
JD75781-1, JD75781-2, JD75781-3, JD75781-4, JD75781-5, JD75781-6, JD75781-7
Spike BSP BSP BSD BSD Limits
CAS No.Compound ppbv ppbv %ppbv %RPD Rec/RPD
156-60-5 trans-1,2-Dichloroethylene 10 10.4 104 10.4 104 0 70-130/30
156-59-2 cis-1,2-Dichloroethylene 10 10.4 104 10.5 105 1 70-130/30
127-18-4 Tetrachloroethylene 10 10.6 106 10.8 108 2 70-130/30
79-01-6 Trichloroethylene 10 10.8 108 10.8 108 0 70-130/30
75-01-4 Vinyl chloride 10 9.9 99 10.1 101 2 70-130/30
CAS No.Surrogate Recoveries BSP BSD Limits
460-00-4 4-Bromofluorobenzene 99%100%65-128%
* = Outside of Control Limits.
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Blank Spike/Blank Spike Duplicate Summary Page 1 of 1
Job Number:JD75781
Account:URSNCC AECOM, INC.
Project:Belmont Cleaners (DC360008), Belmont, NC
Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
V8W95-BS 8W02390.D 1 10/03/23 BK n/a n/a V8W95
V8W95-BSD 8W02391.D 1 10/03/23 BK n/a n/a V8W95
The QC reported here applies to the following samples:Method: TO-15
V8W95-SCC
Spike BSP BSP BSD BSD Limits
CAS No.Compound ppbv ppbv %ppbv %RPD Rec/RPD
156-60-5 trans-1,2-Dichloroethylene 10 10 100 10.1 101 1 70-130/30
156-59-2 cis-1,2-Dichloroethylene 10 9.9 99 10 100 1 70-130/30
127-18-4 Tetrachloroethylene 10 10.2 102 10.4 104 2 70-130/30
79-01-6 Trichloroethylene 10 9.6 96 9.8 98 2 70-130/30
75-01-4 Vinyl chloride 10 10.7 107 10.5 105 2 70-130/30
CAS No.Surrogate Recoveries BSP BSD Limits
460-00-4 4-Bromofluorobenzene 100%101%65-128%
* = Outside of Control Limits.
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Duplicate Summary Page 1 of 1
Job Number:JD75781
Account:URSNCC AECOM, INC.
Project:Belmont Cleaners (DC360008), Belmont, NC
Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
JD75682-4DUP 3W82900.D 1 11/04/23 TS n/a n/a V3W3264
JD75682-4 3W82899.D 1 11/04/23 TS n/a n/a V3W3264
The QC reported here applies to the following samples:Method: TO-15
JD75781-1, JD75781-2, JD75781-3, JD75781-4, JD75781-5, JD75781-6, JD75781-7
JD75682-4 DUP
CAS No.Compound ppbv Q ppbv Q RPD Limits
156-60-5 trans-1,2-Dichloroethylene ND ND nc 25
156-59-2 cis-1,2-Dichloroethylene ND ND nc 25
127-18-4 Tetrachloroethylene 0.12 0.13 8 25
79-01-6 Trichloroethylene ND ND nc 25
75-01-4 Vinyl chloride ND ND nc 25
CAS No.Surrogate Recoveries DUP JD75682-4 Limits
460-00-4 4-Bromofluorobenzene 103%102%65-128%
* = Outside of Control Limits.
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Summa Cleaning Certification Page 1 of 1
Job Number:JD75781
Account:URSNCC AECOM, INC.
Project:Belmont Cleaners (DC360008), Belmont, NC
Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
V8W95-SCC 8W02395.D 1 10/03/23 BK n/a n/a V8W95
The QC reported here (Summa A2385) applies to the following samples:Method: TO-15
Batch CP12435 cleaned 09/29/23: JD75781-4(A1958), JD75781-7(A2349)
CAS No.Compound Result RL MDL Units Q Result RL Units
156-60-5 trans-1,2-Dichloroethylene ND 0.20 0.028 ppbv ND 0.79 ug/m3
156-59-2 cis-1,2-Dichloroethylene ND 0.20 0.030 ppbv ND 0.79 ug/m3
127-18-4 Tetrachloroethylene ND 0.040 0.014 ppbv ND 0.27 ug/m3
79-01-6 Trichloroethylene ND 0.040 0.019 ppbv ND 0.21 ug/m3
75-01-4 Vinyl chloride ND 0.20 0.069 ppbv ND 0.51 ug/m3
CAS No.Surrogate Recoveries Limits
460-00-4 4-Bromofluorobenzene 100%65-128%
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Summa Cleaning Certification Page 1 of 1
Job Number:JD75781
Account:URSNCC AECOM, INC.
Project:Belmont Cleaners (DC360008), Belmont, NC
Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
V8W95-SCC 8W02404.D 1 10/03/23 BK n/a n/a V8W95
The QC reported here (Summa A1880) applies to the following samples:Method: TO-15
Batch CP12428 cleaned 09/25/23: JD75781-1(A2416), JD75781-2(A2419), JD75781-3(A1573), JD75781-5(A2311),
JD75781-6(A2310)
CAS No.Compound Result RL MDL Units Q Result RL Units
156-60-5 trans-1,2-Dichloroethylene ND 0.20 0.028 ppbv ND 0.79 ug/m3
156-59-2 cis-1,2-Dichloroethylene ND 0.20 0.030 ppbv ND 0.79 ug/m3
127-18-4 Tetrachloroethylene ND 0.040 0.014 ppbv ND 0.27 ug/m3
79-01-6 Trichloroethylene ND 0.040 0.019 ppbv ND 0.21 ug/m3
75-01-4 Vinyl chloride ND 0.20 0.069 ppbv ND 0.51 ug/m3
CAS No.Surrogate Recoveries Limits
460-00-4 4-Bromofluorobenzene 100%65-128%
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Instrument Performance Check (BFB)Page 1 of 1
Job Number:JD75781
Account:URSNCC AECOM, INC.
Project:Belmont Cleaners (DC360008), Belmont, NC
Sample:V3W3236-BFB Injection Date:09/29/23
Lab File ID:3W82140.D Injection Time:22:25
Instrument ID:GCMS3W
Raw % Relative
m/e Ion Abundance Criteria Abundance Abundance Pass/Fail
50 8.0 - 40.0% of mass 95 39109 23.3 Pass
75 30.0 - 66.0% of mass 95 78699 46.9 Pass
95 Base peak, 100% relative abundance 167744 100.0 Pass
96 5.0 - 9.0% of mass 95 10910 6.50 Pass
173 Less than 2.0% of mass 174 0 0.00 (0.00) a Pass
174 50.0 - 120.0% of mass 95 138421 82.5 Pass
175 4.0 - 9.01% of mass 174 10480 6.25 (7.57) a Pass
176 93.0 - 101.0% of mass 174 136784 81.5 (98.8) a Pass
177 5.0 - 9.0% of mass 176 8860 5.28 (6.48) b Pass
(a) Value is % of mass 174
(b) Value is % of mass 176
This check applies to the following Samples, MS, MSD, Blanks, and Standards:
Lab Lab Date Time Hours Client
Sample ID File ID Analyzed Analyzed Lapsed Sample ID
V3W3236-IC3236 3W82141.D 09/29/23 23:04 00:39 Initial cal 0.04
V3W3236-IC3236 3W82142.D 09/29/23 23:44 01:19 Initial cal 0.1
V3W3236-IC3236 3W82143.D 09/30/23 00:25 02:00 Initial cal 0.2
V3W3236-IC3236 3W82144.D 09/30/23 01:07 02:42 Initial cal 0.5
V3W3236-IC3236 3W82146.D 09/30/23 02:27 04:02 Initial cal 5
V3W3236-ICC3236 3W82147.D 09/30/23 03:08 04:43 Initial cal 10
V3W3236-IC3236 3W82148.D 09/30/23 03:50 05:25 Initial cal 20
V3W3236-IC3236 3W82149.D 09/30/23 04:36 06:11 Initial cal 40
V3W3236-IC3236 3W82150.D 09/30/23 05:24 06:59 Initial cal 50
V3W3236-ICV3236 3W82153.D 09/30/23 07:31 09:06 Initial cal verification 10
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Instrument Performance Check (BFB)Page 1 of 1
Job Number:JD75781
Account:URSNCC AECOM, INC.
Project:Belmont Cleaners (DC360008), Belmont, NC
Sample:V3W3264-BFB Injection Date:11/04/23
Lab File ID:3W82890.D Injection Time:08:57
Instrument ID:GCMS3W
Raw % Relative
m/e Ion Abundance Criteria Abundance Abundance Pass/Fail
50 8.0 - 40.0% of mass 95 37736 24.0 Pass
75 30.0 - 66.0% of mass 95 73912 47.0 Pass
95 Base peak, 100% relative abundance 157205 100.0 Pass
96 5.0 - 9.0% of mass 95 10742 6.83 Pass
173 Less than 2.0% of mass 174 0 0.00 (0.00) a Pass
174 50.0 - 120.0% of mass 95 135864 86.4 Pass
175 4.0 - 9.01% of mass 174 10127 6.44 (7.45) a Pass
176 93.0 - 101.0% of mass 174 132651 84.4 (97.6) a Pass
177 5.0 - 9.0% of mass 176 8875 5.65 (6.69) b Pass
(a) Value is % of mass 174
(b) Value is % of mass 176
This check applies to the following Samples, MS, MSD, Blanks, and Standards:
Lab Lab Date Time Hours Client
Sample ID File ID Analyzed Analyzed Lapsed Sample ID
V3W3264-CC3236 3W82891.D 11/04/23 09:38 00:41 Continuing cal 10
V3W3264-BS 3W82892.D 11/04/23 10:19 01:22 Blank Spike
V3W3264-BSD 3W82893.D 11/04/23 11:00 02:03 Blank Spike Duplicate
V3W3264-MB 3W82895.D 11/04/23 12:28 03:31 Method Blank
ZZZZZZ 3W82896.D 11/04/23 13:19 04:22 (unrelated sample)
ZZZZZZ 3W82897.D 11/04/23 14:05 05:08 (unrelated sample)
ZZZZZZ 3W82898.D 11/04/23 14:51 05:54 (unrelated sample)
JD75682-4 3W82899.D 11/04/23 15:37 06:40 (used for QC only; not part of job JD75781)
JD75682-4DUP 3W82900.D 11/04/23 16:24 07:27 Duplicate
ZZZZZZ 3W82901.D 11/04/23 17:10 08:13 (unrelated sample)
JD75781-1 3W82902.D 11/04/23 17:51 08:54 SG-10
JD75781-2 3W82903.D 11/04/23 18:31 09:34 SG-11
JD75781-3 3W82904.D 11/04/23 19:12 10:15 SG-12
JD75781-4 3W82905.D 11/04/23 19:52 10:55 SG-13
JD75781-5 3W82906.D 11/04/23 20:33 11:36 SG-14
JD75781-6 3W82907.D 11/04/23 21:15 12:18 SG-15
JD75781-7 3W82908.D 11/04/23 21:56 12:59 SG-16
ZZZZZZ 3W82909.D 11/04/23 22:37 13:40 (unrelated sample)
ZZZZZZ 3W82910.D 11/04/23 23:18 14:21 (unrelated sample)
ZZZZZZ 3W82911.D 11/04/23 23:59 15:02 (unrelated sample)
ZZZZZZ 3W82912.D 11/05/23 00:40 15:43 (unrelated sample)
ZZZZZZ 3W82913.D 11/05/23 02:22 17:25 (unrelated sample)
ZZZZZZ 3W82914.D 11/05/23 03:03 18:06 (unrelated sample)
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Instrument Performance Check (BFB)Page 1 of 1
Job Number:JD75781
Account:URSNCC AECOM, INC.
Project:Belmont Cleaners (DC360008), Belmont, NC
Sample:V8W94-BFB Injection Date:10/01/23
Lab File ID:8W02371.D Injection Time:20:09
Instrument ID:GCMS8W
Raw % Relative
m/e Ion Abundance Criteria Abundance Abundance Pass/Fail
50 8.0 - 40.0% of mass 95 39728 21.4 Pass
75 30.0 - 66.0% of mass 95 113776 61.2 Pass
95 Base peak, 100% relative abundance 185792 100.0 Pass
96 5.0 - 9.0% of mass 95 11150 6.00 Pass
173 Less than 2.0% of mass 174 960 0.52 (0.67) a Pass
174 50.0 - 120.0% of mass 95 143659 77.3 Pass
175 4.0 - 9.01% of mass 174 9759 5.25 (6.79) a Pass
176 93.0 - 101.0% of mass 174 142933 76.9 (99.5) a Pass
177 5.0 - 9.0% of mass 176 9827 5.29 (6.88) b Pass
(a) Value is % of mass 174
(b) Value is % of mass 176
This check applies to the following Samples, MS, MSD, Blanks, and Standards:
Lab Lab Date Time Hours Client
Sample ID File ID Analyzed Analyzed Lapsed Sample ID
V8W94-IC0094 8W02372.D 10/01/23 20:42 00:33 Initial cal 0.04
V8W94-IC0094 8W02373.D 10/01/23 21:15 01:06 Initial cal 0.1
V8W94-IC0094 8W02374.D 10/01/23 21:49 01:40 Initial cal 0.2
V8W94-IC0094 8W02375.D 10/01/23 22:26 02:17 Initial cal 0.5
V8W94-IC0094 8W02377.D 10/01/23 23:32 03:23 Initial cal 5
V8W94-ICC0094 8W02378.D 10/02/23 00:06 03:57 Initial cal 10
V8W94-IC0094 8W02379.D 10/02/23 00:43 04:34 Initial cal 20
V8W94-IC0094 8W02380.D 10/02/23 01:22 05:13 Initial cal 40
V8W94-IC0094 8W02381.D 10/02/23 02:04 05:55 Initial cal 50
V8W94-ICV0094 8W02384.D 10/02/23 03:51 07:42 Initial cal verification 10
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Instrument Performance Check (BFB)Page 1 of 1
Job Number:JD75781
Account:URSNCC AECOM, INC.
Project:Belmont Cleaners (DC360008), Belmont, NC
Sample:V8W95-BFB Injection Date:10/03/23
Lab File ID:8W02388.D Injection Time:09:01
Instrument ID:GCMS8W
Raw % Relative
m/e Ion Abundance Criteria Abundance Abundance Pass/Fail
50 8.0 - 40.0% of mass 95 36640 21.3 Pass
75 30.0 - 66.0% of mass 95 110733 64.3 Pass
95 Base peak, 100% relative abundance 172181 100.0 Pass
96 5.0 - 9.0% of mass 95 11119 6.46 Pass
173 Less than 2.0% of mass 174 1209 0.70 (0.86) a Pass
174 50.0 - 120.0% of mass 95 141013 81.9 Pass
175 4.0 - 9.01% of mass 174 9980 5.80 (7.08) a Pass
176 93.0 - 101.0% of mass 174 135211 78.5 (95.9) a Pass
177 5.0 - 9.0% of mass 176 9487 5.51 (7.02) b Pass
(a) Value is % of mass 174
(b) Value is % of mass 176
This check applies to the following Samples, MS, MSD, Blanks, and Standards:
Lab Lab Date Time Hours Client
Sample ID File ID Analyzed Analyzed Lapsed Sample ID
V8W95-CC94 8W02389.D 10/03/23 09:35 00:34 Continuing cal 10
V8W95-BS 8W02390.D 10/03/23 10:41 01:40 Blank Spike
V8W95-BSD 8W02391.D 10/03/23 11:15 02:14 Blank Spike Duplicate
V8W95-MB 8W02394.D 10/03/23 13:31 04:30 Method Blank
V8W95-SCC 8W02395.D 10/03/23 14:13 05:12 Summa Cleaning Certification
V8W95-SCC 8W02396.D 10/03/23 14:47 05:46 Summa Cleaning Certification
V8W95-SCC 8W02397.D 10/03/23 15:21 06:20 Summa Cleaning Certification
V8W95-SCC 8W02400.D 10/03/23 17:20 08:19 Summa Cleaning Certification
V8W95-SCC 8W02401.D 10/03/23 17:59 08:58 Summa Cleaning Certification
V8W95-SCC 8W02402.D 10/03/23 18:38 09:37 Summa Cleaning Certification
V8W95-SCC 8W02403.D 10/03/23 19:17 10:16 Summa Cleaning Certification
V8W95-SCC 8W02404.D 10/03/23 19:51 10:50 Summa Cleaning Certification
V8W95-SCC 8W02405.D 10/03/23 20:25 11:24 Summa Cleaning Certification
V8W95-SCC 8W02406.D 10/03/23 20:59 11:58 Summa Cleaning Certification
V8W95-SCC 8W02408.D 10/03/23 22:18 13:17 Summa Cleaning Certification
V8W95-SCC 8W02409.D 10/03/23 22:57 13:56 Summa Cleaning Certification
V8W95-SCC 8W02410.D 10/03/23 23:35 14:34 Summa Cleaning Certification
V8W95-SCC 8W02411.D 10/04/23 00:14 15:13 Summa Cleaning Certification
V8W95-SCC 8W02412.D 10/04/23 00:53 15:52 Summa Cleaning Certification
V8W95-SCC 8W02414.D 10/04/23 02:12 17:11 Summa Cleaning Certification
V8W95-SCC 8W02415.D 10/04/23 02:50 17:49 Summa Cleaning Certification
V8W95-SCC 8W02418.D 10/04/23 04:49 19:48 Summa Cleaning Certification
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Surrogate Recovery Summary Page 1 of 1
Job Number:JD75781
Account:URSNCC AECOM, INC.
Project:Belmont Cleaners (DC360008), Belmont, NC
Method:TO-15 Matrix:AIR
Samples and QC shown here apply to the above method
Lab Lab
Sample ID File ID S1
JD75781-1 3W82902.D 100
JD75781-2 3W82903.D 98
JD75781-3 3W82904.D 97
JD75781-4 3W82905.D 98
JD75781-5 3W82906.D 98
JD75781-6 3W82907.D 98
JD75781-7 3W82908.D 100
JD75682-4DUP 3W82900.D 103
V3W3264-BS 3W82892.D 99
V3W3264-BSD 3W82893.D 100
V3W3264-MB 3W82895.D 91
V8W95-SCC 8W02404.D 100
V8W95-SCC 8W02395.D 100
V8W95-BS 8W02390.D 100
V8W95-BSD 8W02391.D 101
V8W95-MB 8W02394.D 100
Surrogate Recovery
Compounds Limits
S1 = 4-Bromofluorobenzene 65-128%
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04/26/24
Technical Report for
AECOM, INC.
Belmont Cleaners (DC360008), Belmont, NC
60709305
SGS Job Number: JD86292
Sampling Date: 04/10/24
Report to:
AECOM, INC.
6000 Fairview Road Suite 200
Charlotte, NC 28210
[e-mail]; [e-mail]
ATTN: Madalyn Stone
Total number of pages in report:
Certifications: NJ(12129),NY(10983),CA,CO,CT,FL,HI,IL,IN,KY,LA (120428),MA,MD,ME,MN,NC,NH,NV,
AK (UST-103),AZ (AZ0786),PA(68-00408),RI,SC,TX (T104704234),UT,VA,WA,WV
This report shall not be reproduced, except in its entirety, without the written approval of SGS.
Test results relate only to samples analyzed.
SGS North America Inc.  2235 Route 130  Dayton, NJ 08810  tel: [phone] 
Test results contained within this data package meet the requirements
of the National Environmental Laboratory Accreditation Program
and/or state specific certification programs as applicable unless noted
in the narrative, comments or footnotes.
Client Service contact: Beth Stopen 732-329-0200
David Chastain
General Manager
Dayton, NJ 04/26/24
e-Hardcopy 2.0
Automated Report
32
SGS is the sole authority for authorizing edits or modifications to this document.
Unauthorized modification of this report is strictly prohibited.
Review standard terms at: http://www.sgs.com/en/terms-and-conditions
The results set forth herein are provided by SGS North America Inc.
Please share your ideas about
how we can serve you better at:
[e-mail]
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JD86292
Table of Contents
-1-
Sections:
Section 1: Sample Summary ...................................................................................................3
Section 2: Case Narrative/Conformance Summary ..............................................................4
Section 3: Summary of Hits ....................................................................................................5
Section 4: Sample Results ........................................................................................................6
4.1: JD86292-1: SG-17 ........................................................................................................7
4.2: JD86292-2: SG-18 ........................................................................................................8
4.3: JD86292-3: SG-19 ........................................................................................................9
4.4: JD86292-4: SG-20 ........................................................................................................10
Section 5: Misc. Forms ............................................................................................................11
5.1: Chain of Custody ...........................................................................................................12
5.2: Summa Canister and Flow Controller Log ....................................................................14
Section 6: MS Volatiles - QC Data Summaries .....................................................................15
6.1: Method Blank Summary ................................................................................................16
6.2: Blank Spike/Blank Spike Duplicate Summary ..............................................................19
6.3: Duplicate Summary .......................................................................................................22
6.4: Summa Cleaning Certification ......................................................................................23
6.5: Instrument Performance Checks (BFB) .........................................................................25
6.6: Surrogate Recovery Summaries .....................................................................................32
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SGS North America Inc.
Sample Summary
AECOM, INC.
Job No:JD86292
Belmont Cleaners (DC360008), Belmont, NC
Project No: 60709305
Sample Collected Matrix Client
Number Date Time By Received Code Type Sample ID
This report contains results reported as ND = Not detected. The following applies:
Organics ND = Not detected above the MDL
JD86292-1 04/10/24 16:14 EL 04/11/24 AIR Soil Vapor Comp.SG-17
JD86292-2 04/10/24 15:09 EL 04/11/24 AIR Soil Vapor Comp.SG-18
JD86292-3 04/10/24 14:52 EL 04/11/24 AIR Soil Vapor Comp.SG-19
JD86292-4 04/10/24 16:33 EL 04/11/24 AIR Soil Vapor Comp.SG-20
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On 04/11/2024, 4 sample(s), 0 Trip Blank(s), 0 Equip. Blank(s) and 0 Field Blank(s) were received at SGS North America Inc. The
samples were intact and properly preserved, unless noted below. An SGS Job Number of JD86292 was assigned to the project. The
lab sample ID, client sample ID, and date of sample collection are detailed in the report’s Results Summary.
Specified quality control criteria were achieved for this job except as noted below. For more information, please refer to the
analytical results and QC summary pages.
Client:AECOM, INC.
Site:Belmont Cleaners (DC360008), Belmont, NC
Job No:JD86292
Report Date 4/26/2024 8:38:30 AM
CASE NARRATIVE / CONFORMANCE SUMMARY
MS Volatiles By Method TO-15
Matrix:AIR Batch ID:V3W3396
All samples were analyzed within the recommended method holding time.
All method blanks for this batch meet method specific criteria.
Sample(s) JD86173-3DUP were used as the QC samples indicated.
SGS certifies that data reported for samples received, listed on the associated custody chain or analytical task order, were produced
to specifications meeting SGS's Quality System precision, accuracy and completeness objectives except as noted.
Estimated non-standard method measurement uncertainty data is available on request, based on quality control bias and implicit for
standard methods. Acceptable uncertainty requires tested parameter quality control data to meet method criteria.
SGS is not responsible for data quality assumptions if partial reports are used and recommends that this report be used in its
entirety. This report is authorized by SGS indicated via signature on the report cover.
Friday, April 26, 2024 Page 1 of 1
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Summary of Hits Page 1 of 1
Job Number:JD86292
Account:AECOM, INC.
Project:Belmont Cleaners (DC360008), Belmont, NC
Collected:04/10/24
Lab Sample ID Client Sample ID Result/
Analyte Qual RL MDL Units Method
JD86292-1 SG-17
Tetrachloroethylene 11.6 0.16 0.056 ppbv TO-15
Tetrachloroethylene 78.7 1.1 0.38 ug/m3 TO-15
JD86292-2 SG-18
Tetrachloroethylene 62.6 0.16 0.056 ppbv TO-15
Tetrachloroethylene 425 1.1 0.38 ug/m3 TO-15
JD86292-3 SG-19
Tetrachloroethylene 4.7 0.16 0.056 ppbv TO-15
Tetrachloroethylene 32 1.1 0.38 ug/m3 TO-15
JD86292-4 SG-20
Tetrachloroethylene 1.2 0.16 0.056 ppbv TO-15
Tetrachloroethylene 8.1 1.1 0.38 ug/m3 TO-15
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SGS North America Inc.
Sample Results
Report of Analysis
Dayton, NJ
Section 4
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SGS North America Inc.
Report of Analysis Page 1 of 1
Client Sample ID:SG-17
Lab Sample ID:JD86292-1 Date Sampled:04/10/24
Matrix:AIR - Soil Vapor Comp. Summa ID: A2414 Date Received:04/11/24
Method:TO-15 Percent Solids:n/a
Project:Belmont Cleaners (DC360008), Belmont, NC
File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
Run #1 3W86206.D 1 04/25/24 01:38 TCH n/a n/a V3W3396
Run #2
Initial Volume
Run #1 100 ml
Run #2
305 Webster Avenue, Cambridge, MA
CAS No.MW Compound Result RL MDL Units Q Result RL MDL Units
156-60-5 96.94 trans-1,2-Dichloroethylene ND 0.80 0.11 ppbv ND 3.2 0.44 ug/m3
156-59-2 96.94 cis-1,2-Dichloroethylene ND 0.80 0.12 ppbv ND 3.2 0.48 ug/m3
127-18-4 165.8 Tetrachloroethylene 11.6 0.16 0.056 ppbv 78.7 1.1 0.38 ug/m3
79-01-6 131.4 Trichloroethylene ND 0.16 0.076 ppbv ND 0.86 0.41 ug/m3
75-01-4 62.5 Vinyl chloride ND 0.80 0.28 ppbv ND 2.0 0.72 ug/m3
CAS No.Surrogate Recoveries Run# 1 Run# 2 Limits
460-00-4 4-Bromofluorobenzene 103%65-128%
ND = Not detected MDL = Method Detection Limit J = Indicates an estimated value
RL = Reporting Limit B = Indicates analyte found in associated method blank
E = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound
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SGS North America Inc.
Report of Analysis Page 1 of 1
Client Sample ID:SG-18
Lab Sample ID:JD86292-2 Date Sampled:04/10/24
Matrix:AIR - Soil Vapor Comp. Summa ID: A2398 Date Received:04/11/24
Method:TO-15 Percent Solids:n/a
Project:Belmont Cleaners (DC360008), Belmont, NC
File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
Run #1 3W86207.D 1 04/25/24 02:19 TCH n/a n/a V3W3396
Run #2
Initial Volume
Run #1 100 ml
Run #2
305 Webster Avenue, Cambridge, MA
CAS No.MW Compound Result RL MDL Units Q Result RL MDL Units
156-60-5 96.94 trans-1,2-Dichloroethylene ND 0.80 0.11 ppbv ND 3.2 0.44 ug/m3
156-59-2 96.94 cis-1,2-Dichloroethylene ND 0.80 0.12 ppbv ND 3.2 0.48 ug/m3
127-18-4 165.8 Tetrachloroethylene 62.6 0.16 0.056 ppbv 425 1.1 0.38 ug/m3
79-01-6 131.4 Trichloroethylene ND 0.16 0.076 ppbv ND 0.86 0.41 ug/m3
75-01-4 62.5 Vinyl chloride ND 0.80 0.28 ppbv ND 2.0 0.72 ug/m3
CAS No.Surrogate Recoveries Run# 1 Run# 2 Limits
460-00-4 4-Bromofluorobenzene 107%65-128%
ND = Not detected MDL = Method Detection Limit J = Indicates an estimated value
RL = Reporting Limit B = Indicates analyte found in associated method blank
E = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound
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SGS North America Inc.
Report of Analysis Page 1 of 1
Client Sample ID:SG-19
Lab Sample ID:JD86292-3 Date Sampled:04/10/24
Matrix:AIR - Soil Vapor Comp. Summa ID: A2425 Date Received:04/11/24
Method:TO-15 Percent Solids:n/a
Project:Belmont Cleaners (DC360008), Belmont, NC
File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
Run #1 3W86208.D 1 04/25/24 03:00 TCH n/a n/a V3W3396
Run #2
Initial Volume
Run #1 100 ml
Run #2
305 Webster Avenue, Cambridge, MA
CAS No.MW Compound Result RL MDL Units Q Result RL MDL Units
156-60-5 96.94 trans-1,2-Dichloroethylene ND 0.80 0.11 ppbv ND 3.2 0.44 ug/m3
156-59-2 96.94 cis-1,2-Dichloroethylene ND 0.80 0.12 ppbv ND 3.2 0.48 ug/m3
127-18-4 165.8 Tetrachloroethylene 4.7 0.16 0.056 ppbv 32 1.1 0.38 ug/m3
79-01-6 131.4 Trichloroethylene ND 0.16 0.076 ppbv ND 0.86 0.41 ug/m3
75-01-4 62.5 Vinyl chloride ND 0.80 0.28 ppbv ND 2.0 0.72 ug/m3
CAS No.Surrogate Recoveries Run# 1 Run# 2 Limits
460-00-4 4-Bromofluorobenzene 106%65-128%
ND = Not detected MDL = Method Detection Limit J = Indicates an estimated value
RL = Reporting Limit B = Indicates analyte found in associated method blank
E = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound
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SGS North America Inc.
Report of Analysis Page 1 of 1
Client Sample ID:SG-20
Lab Sample ID:JD86292-4 Date Sampled:04/10/24
Matrix:AIR - Soil Vapor Comp. Summa ID: A2378 Date Received:04/11/24
Method:TO-15 Percent Solids:n/a
Project:Belmont Cleaners (DC360008), Belmont, NC
File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
Run #1 3W86209.D 1 04/25/24 03:41 TCH n/a n/a V3W3396
Run #2
Initial Volume
Run #1 100 ml
Run #2
305 Webster Avenue, Cambridge, MA
CAS No.MW Compound Result RL MDL Units Q Result RL MDL Units
156-60-5 96.94 trans-1,2-Dichloroethylene ND 0.80 0.11 ppbv ND 3.2 0.44 ug/m3
156-59-2 96.94 cis-1,2-Dichloroethylene ND 0.80 0.12 ppbv ND 3.2 0.48 ug/m3
127-18-4 165.8 Tetrachloroethylene 1.2 0.16 0.056 ppbv 8.1 1.1 0.38 ug/m3
79-01-6 131.4 Trichloroethylene ND 0.16 0.076 ppbv ND 0.86 0.41 ug/m3
75-01-4 62.5 Vinyl chloride ND 0.80 0.28 ppbv ND 2.0 0.72 ug/m3
CAS No.Surrogate Recoveries Run# 1 Run# 2 Limits
460-00-4 4-Bromofluorobenzene 104%65-128%
ND = Not detected MDL = Method Detection Limit J = Indicates an estimated value
RL = Reporting Limit B = Indicates analyte found in associated method blank
E = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound
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SGS North America Inc.
Misc. Forms
Custody Documents and Other Forms
Includes the following where applicable:
 Chain of Custody
 Summa Canister and Flow Controller Log
Dayton, NJ
Section 5
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JD86292: Chain of Custody
Page 1 of 2
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Job Number:JD86292 Client:AECOM, INC.
Date / Time Received:4/11/2024 10:30:00 AM Delivery Method:FEDEX
Project:BELMONT CLEANERS (DC360008), BELM
4. No. Coolers:N/A
Airbill #'s:
Cooler Security
1. Custody Seals Present:
Y or N
2. Custody Seals Intact:
3. COC Present:
4. Smpl Dates/Time OK
2. Cooler temp verification:
Cooler Temperature Y or N
1. Temp criteria achieved:
3. Cooler media:
N/A
N/A
Quality Control Preservation Y or N N/A
1. Trip Blank present / cooler:
2. Trip Blank listed on COC:
3. Samples preserved properly:
4. VOCs headspace free:
Sample Integrity - Documentation Y or N
1. Sample labels present on bottles:
2. Container labeling complete:
3. Sample container label / COC agree:
Sample Integrity - Condition Y or N
1. Sample recvd within HT:
3. Condition of sample:
2. All containers accounted for:
Sample Integrity - Instructions
1. Analysis requested is clear:
2. Bottles received for unspecified tests
3. Sufficient volume recvd for analysis:
4. Compositing instructions clear:
5. Filtering instructions clear:
Intact
Y or N
Comments
Y or N N/A
Cooler Temps (Raw Measured) °C:
Cooler Temps (Corrected) °C:
SM089-03
Rev. Date 12/7/17
SGS Sample Receipt Summary
Test Strip Lot #s:pH 1-12:231619 pH 12+:203117A Other: (Specify)
JD86292: Chain of Custody
Page 2 of 2
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Summa Canister and Flow Controller Log Page 1 of 1
Job Number:JD86292
Account:URSNCC AECOM, INC.
Project:Belmont Cleaners (DC360008), Belmont, NC
Received:04/11/24
SUMMA CANISTERS
Shipping Receiving
Summa Vac Date SCC SCC Sample Date Vac Pres Final Dil
ID L " Hg Out By Batch FileID Number In By " Hg psig psig Fact
A2414 1.4 30 04/02/24 ML CP127087W05683.D JD86292-1 04/12/24 JT 3 1
A2398 1.4 30 04/02/24 ML CP127087W05683.D JD86292-2 04/12/24 JT 5 1
A2425 1.4 30 04/02/24 ML CP127087W05683.D JD86292-3 04/12/24 JT 6 1
A2378 1.4 30 04/02/24 ML CP127207W05753.D JD86292-4 04/12/24 JT 4.5 1
FLOW CONTROLLERS / OTHER
Shipping Receiving
Flow Date cc/Time Date cc/Flow
Crtl ID Out By min hrs.In By min RPD Equipment Type
FC950 04/02/24 ML 185 .0833 04/13/24 JT 185 0 Flow Controller
FC967 04/02/24 ML 184 .0833 04/13/24 JT 200 8.3 Flow Controller
FC1213 04/02/24 ML 186 .0833 04/13/24 JT 181 2.7 Flow Controller
FC1300 04/02/24 ML 185 .0833 04/13/24 JT 197 6.3 Flow Controller
SGS Bottle Order(s):
BW-031424-10
Prep Date Room Temp(F)Bar Pres "Hg
04/02/24 70 29.92
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SGS North America Inc.
MS Volatiles
QC Data Summaries
Includes the following where applicable:
 Method Blank Summaries
 Blank Spike Summaries
 Matrix Spike and Duplicate Summaries
 Instrument Performance Checks (BFB)
 Surrogate Recovery Summaries
Dayton, NJ
Section 6
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Method Blank Summary Page 1 of 1
Job Number:JD86292
Account:URSNCC AECOM, INC.
Project:Belmont Cleaners (DC360008), Belmont, NC
Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
V3W3396-MB 3W86191.D 1 04/24/24 TCH n/a n/a V3W3396
The QC reported here applies to the following samples:Method: TO-15
JD86292-1, JD86292-2, JD86292-3, JD86292-4
CAS No.Compound Result RL MDL Units Q Result RL Units
156-60-5 trans-1,2-Dichloroethylene ND 0.20 0.028 ppbv ND 0.79 ug/m3
156-59-2 cis-1,2-Dichloroethylene ND 0.20 0.030 ppbv ND 0.79 ug/m3
127-18-4 Tetrachloroethylene ND 0.040 0.014 ppbv ND 0.27 ug/m3
79-01-6 Trichloroethylene ND 0.040 0.019 ppbv ND 0.21 ug/m3
75-01-4 Vinyl chloride ND 0.20 0.069 ppbv ND 0.51 ug/m3
CAS No.Surrogate Recoveries Limits
460-00-4 4-Bromofluorobenzene 95%65-128%
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Method Blank Summary Page 1 of 1
Job Number:JD86292
Account:URSNCC AECOM, INC.
Project:Belmont Cleaners (DC360008), Belmont, NC
Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
V7W218-MB 7W05676.D 1 03/26/24 TS n/a n/a V7W218
The QC reported here applies to the following samples:Method: TO-15
V7W218-SCC
CAS No.Compound Result RL MDL Units Q Result RL Units
156-60-5 trans-1,2-Dichloroethylene ND 0.20 0.028 ppbv ND 0.79 ug/m3
156-59-2 cis-1,2-Dichloroethylene ND 0.20 0.030 ppbv ND 0.79 ug/m3
127-18-4 Tetrachloroethylene ND 0.040 0.014 ppbv ND 0.27 ug/m3
79-01-6 Trichloroethylene ND 0.040 0.019 ppbv ND 0.21 ug/m3
75-01-4 Vinyl chloride ND 0.20 0.069 ppbv ND 0.51 ug/m3
CAS No.Surrogate Recoveries Limits
460-00-4 4-Bromofluorobenzene 98%65-128%
CAS No.Tentatively Identified Compounds R.T.Est. Conc.Units Q
system artifact 1.62 8.9 ppbv J
Total TIC, Volatile 0 ppbv
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Method Blank Summary Page 1 of 1
Job Number:JD86292
Account:URSNCC AECOM, INC.
Project:Belmont Cleaners (DC360008), Belmont, NC
Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
V7W220-MB 7W05746.D 1 03/28/24 TS n/a n/a V7W220
The QC reported here applies to the following samples:Method: TO-15
V7W220-SCC
CAS No.Compound Result RL MDL Units Q Result RL Units
156-60-5 trans-1,2-Dichloroethylene ND 0.20 0.028 ppbv ND 0.79 ug/m3
156-59-2 cis-1,2-Dichloroethylene ND 0.20 0.030 ppbv ND 0.79 ug/m3
127-18-4 Tetrachloroethylene ND 0.040 0.014 ppbv ND 0.27 ug/m3
79-01-6 Trichloroethylene ND 0.040 0.019 ppbv ND 0.21 ug/m3
75-01-4 Vinyl chloride ND 0.20 0.069 ppbv ND 0.51 ug/m3
CAS No.Surrogate Recoveries Limits
460-00-4 4-Bromofluorobenzene 92%65-128%
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Blank Spike/Blank Spike Duplicate Summary Page 1 of 1
Job Number:JD86292
Account:URSNCC AECOM, INC.
Project:Belmont Cleaners (DC360008), Belmont, NC
Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
V3W3396-BS 3W86188.D 1 04/24/24 TCH n/a n/a V3W3396
V3W3396-BSD 3W86189.D 1 04/24/24 TCH n/a n/a V3W3396
The QC reported here applies to the following samples:Method: TO-15
JD86292-1, JD86292-2, JD86292-3, JD86292-4
Spike BSP BSP BSD BSD Limits
CAS No.Compound ppbv ppbv %ppbv %RPD Rec/RPD
156-60-5 trans-1,2-Dichloroethylene 10 11.3 113 11.3 113 0 70-130/30
156-59-2 cis-1,2-Dichloroethylene 10 11.1 111 11.2 112 1 70-130/30
127-18-4 Tetrachloroethylene 10 12.1 121 12.0 120 1 70-130/30
79-01-6 Trichloroethylene 10 11.0 110 10.9 109 1 70-130/30
75-01-4 Vinyl chloride 10 8.5 85 8.8 88 3 70-130/30
CAS No.Surrogate Recoveries BSP BSD Limits
460-00-4 4-Bromofluorobenzene 105%105%65-128%
* = Outside of Control Limits.
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Blank Spike/Blank Spike Duplicate Summary Page 1 of 1
Job Number:JD86292
Account:URSNCC AECOM, INC.
Project:Belmont Cleaners (DC360008), Belmont, NC
Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
V7W218-BS 7W05673.D 1 03/26/24 TS n/a n/a V7W218
V7W218-BSD 7W05674.D 1 03/26/24 TS n/a n/a V7W218
The QC reported here applies to the following samples:Method: TO-15
V7W218-SCC
Spike BSP BSP BSD BSD Limits
CAS No.Compound ppbv ppbv %ppbv %RPD Rec/RPD
156-60-5 trans-1,2-Dichloroethylene 10 10.1 101 10.1 101 0 70-130/30
156-59-2 cis-1,2-Dichloroethylene 10 10.2 102 10.3 103 1 70-130/30
127-18-4 Tetrachloroethylene 10 10.0 100 9.9 99 1 70-130/30
79-01-6 Trichloroethylene 10 10.7 107 10.6 106 1 70-130/30
75-01-4 Vinyl chloride 10 10.6 106 10.5 105 1 70-130/30
CAS No.Surrogate Recoveries BSP BSD Limits
460-00-4 4-Bromofluorobenzene 100%100%65-128%
* = Outside of Control Limits.
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Blank Spike/Blank Spike Duplicate Summary Page 1 of 1
Job Number:JD86292
Account:URSNCC AECOM, INC.
Project:Belmont Cleaners (DC360008), Belmont, NC
Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
V7W220-BS 7W05743.D 1 03/28/24 TS n/a n/a V7W220
V7W220-BSD 7W05744.D 1 03/28/24 TS n/a n/a V7W220
The QC reported here applies to the following samples:Method: TO-15
V7W220-SCC
Spike BSP BSP BSD BSD Limits
CAS No.Compound ppbv ppbv %ppbv %RPD Rec/RPD
156-60-5 trans-1,2-Dichloroethylene 10 9.6 96 9.7 97 1 70-130/30
156-59-2 cis-1,2-Dichloroethylene 10 9.7 97 9.8 98 1 70-130/30
127-18-4 Tetrachloroethylene 10 10.2 102 10.5 105 3 70-130/30
79-01-6 Trichloroethylene 10 10.1 101 10.4 104 3 70-130/30
75-01-4 Vinyl chloride 10 9.4 94 9.6 96 2 70-130/30
CAS No.Surrogate Recoveries BSP BSD Limits
460-00-4 4-Bromofluorobenzene 95%95%65-128%
* = Outside of Control Limits.
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Duplicate Summary Page 1 of 1
Job Number:JD86292
Account:URSNCC AECOM, INC.
Project:Belmont Cleaners (DC360008), Belmont, NC
Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
JD86173-3DUP 3W86197.D 1 04/24/24 TCH n/a n/a V3W3396
JD86173-3 3W86196.D 1 04/24/24 TCH n/a n/a V3W3396
The QC reported here applies to the following samples:Method: TO-15
JD86292-1, JD86292-2, JD86292-3, JD86292-4
JD86173-3 DUP
CAS No.Compound ppbv Q ppbv Q RPD Limits
156-60-5 trans-1,2-Dichloroethylene ND ND nc 25
156-59-2 cis-1,2-Dichloroethylene ND ND nc 25
127-18-4 Tetrachloroethylene 0.072 0.067 7 25
79-01-6 Trichloroethylene ND ND nc 25
75-01-4 Vinyl chloride ND ND nc 25
CAS No.Surrogate Recoveries DUP JD86173-3 Limits
460-00-4 4-Bromofluorobenzene 104%105%65-128%
* = Outside of Control Limits.
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Summa Cleaning Certification Page 1 of 1
Job Number:JD86292
Account:URSNCC AECOM, INC.
Project:Belmont Cleaners (DC360008), Belmont, NC
Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
V7W218-SCC 7W05679.D 1 03/26/24 TS n/a n/a V7W218
The QC reported here (Summa A1917) applies to the following samples:Method: TO-15
Batch CP12708 cleaned 03/20/24: JD86292-1(A2414), JD86292-2(A2398), JD86292-3(A2425)
CAS No.Compound Result RL MDL Units Q Result RL Units
156-60-5 trans-1,2-Dichloroethylene ND 0.20 0.028 ppbv ND 0.79 ug/m3
156-59-2 cis-1,2-Dichloroethylene ND 0.20 0.030 ppbv ND 0.79 ug/m3
127-18-4 Tetrachloroethylene ND 0.040 0.014 ppbv ND 0.27 ug/m3
79-01-6 Trichloroethylene ND 0.040 0.019 ppbv ND 0.21 ug/m3
75-01-4 Vinyl chloride ND 0.20 0.069 ppbv ND 0.51 ug/m3
CAS No.Surrogate Recoveries Limits
460-00-4 4-Bromofluorobenzene 96%65-128%
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Summa Cleaning Certification Page 1 of 1
Job Number:JD86292
Account:URSNCC AECOM, INC.
Project:Belmont Cleaners (DC360008), Belmont, NC
Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
V7W220-SCC 7W05750.D 1 03/28/24 TS n/a n/a V7W220
The QC reported here (Summa A1503) applies to the following samples:Method: TO-15
Batch CP12720 cleaned 03/25/24: JD86292-4(A2378)
CAS No.Compound Result RL MDL Units Q Result RL Units
156-60-5 trans-1,2-Dichloroethylene ND 0.20 0.028 ppbv ND 0.79 ug/m3
156-59-2 cis-1,2-Dichloroethylene ND 0.20 0.030 ppbv ND 0.79 ug/m3
127-18-4 Tetrachloroethylene ND 0.040 0.014 ppbv ND 0.27 ug/m3
79-01-6 Trichloroethylene ND 0.040 0.019 ppbv ND 0.21 ug/m3
75-01-4 Vinyl chloride ND 0.20 0.069 ppbv ND 0.51 ug/m3
CAS No.Surrogate Recoveries Limits
460-00-4 4-Bromofluorobenzene 89%65-128%
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Instrument Performance Check (BFB)Page 1 of 1
Job Number:JD86292
Account:URSNCC AECOM, INC.
Project:Belmont Cleaners (DC360008), Belmont, NC
Sample:V3W3330-BFB Injection Date:01/29/24
Lab File ID:3W84548.D Injection Time:19:46
Instrument ID:GCMS3W
Raw % Relative
m/e Ion Abundance Criteria Abundance Abundance Pass/Fail
50 8.0 - 40.0% of mass 95 50048 23.5 Pass
75 30.0 - 66.0% of mass 95 102773 48.3 Pass
95 Base peak, 100% relative abundance 212608 100.0 Pass
96 5.0 - 9.0% of mass 95 14707 6.92 Pass
173 Less than 2.0% of mass 174 0 0.00 (0.00) a Pass
174 50.0 - 120.0% of mass 95 172181 81.0 Pass
175 4.0 - 9.01% of mass 174 13580 6.39 (7.89) a Pass
176 93.0 - 101.0% of mass 174 171307 80.6 (99.5) a Pass
177 5.0 - 9.0% of mass 176 11511 5.41 (6.72) b Pass
(a) Value is % of mass 174
(b) Value is % of mass 176
This check applies to the following Samples, MS, MSD, Blanks, and Standards:
Lab Lab Date Time Hours Client
Sample ID File ID Analyzed Analyzed Lapsed Sample ID
V3W3330-IC3330 3W84549.D 01/29/24 20:26 00:40 Initial cal 0.04
V3W3330-IC3330 3W84550.D 01/29/24 21:06 01:20 Initial cal 0.1
V3W3330-IC3330 3W84551.D 01/29/24 21:46 02:00 Initial cal 0.2
V3W3330-IC3330 3W84552.D 01/29/24 22:29 02:43 Initial cal 0.5
V3W3330-IC3330 3W84554.D 01/29/24 23:48 04:02 Initial cal 5
V3W3330-ICC3330 3W84555.D 01/30/24 00:29 04:43 Initial cal 10
V3W3330-IC3330 3W84556.D 01/30/24 01:12 05:26 Initial cal 20
V3W3330-IC3330 3W84557.D 01/30/24 01:58 06:12 Initial cal 40
V3W3330-IC3330 3W84558.D 01/30/24 02:47 07:01 Initial cal 50
V3W3330-ICV3330 3W84561.D 01/30/24 04:48 09:02 Initial cal verification 10
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Instrument Performance Check (BFB)Page 1 of 1
Job Number:JD86292
Account:URSNCC AECOM, INC.
Project:Belmont Cleaners (DC360008), Belmont, NC
Sample:V3W3396-BFB Injection Date:04/24/24
Lab File ID:3W86186.D Injection Time:10:10
Instrument ID:GCMS3W
Raw % Relative
m/e Ion Abundance Criteria Abundance Abundance Pass/Fail
50 8.0 - 40.0% of mass 95 52101 22.1 Pass
75 30.0 - 66.0% of mass 95 116469 49.4 Pass
95 Base peak, 100% relative abundance 235924 100.0 Pass
96 5.0 - 9.0% of mass 95 15809 6.70 Pass
173 Less than 2.0% of mass 174 0 0.00 (0.00) a Pass
174 50.0 - 120.0% of mass 95 222784 94.4 Pass
175 4.0 - 9.01% of mass 174 17502 7.42 (7.86) a Pass
176 93.0 - 101.0% of mass 174 217515 92.2 (97.6) a Pass
177 5.0 - 9.0% of mass 176 14813 6.28 (6.81) b Pass
(a) Value is % of mass 174
(b) Value is % of mass 176
This check applies to the following Samples, MS, MSD, Blanks, and Standards:
Lab Lab Date Time Hours Client
Sample ID File ID Analyzed Analyzed Lapsed Sample ID
V3W3396-CC3330 3W86187.D 04/24/24 10:51 00:41 Continuing cal 10
V3W3396-BS 3W86188.D 04/24/24 11:43 01:33 Blank Spike
V3W3396-BSD 3W86189.D 04/24/24 12:25 02:15 Blank Spike Duplicate
V3W3396-MB 3W86191.D 04/24/24 13:54 03:44 Method Blank
V3W3396-SCC 3W86192.D 04/24/24 15:05 04:55 Summa Cleaning Certification
V3W3396-SCC 3W86193.D 04/24/24 15:51 05:41 Summa Cleaning Certification
ZZZZZZ 3W86194.D 04/24/24 16:38 06:28 (unrelated sample)
ZZZZZZ 3W86195.D 04/24/24 17:24 07:14 (unrelated sample)
JD86173-3 3W86196.D 04/24/24 18:10 08:00 (used for QC only; not part of job JD86292)
JD86173-3DUP 3W86197.D 04/24/24 18:57 08:47 Duplicate
ZZZZZZ 3W86198.D 04/24/24 19:43 09:33 (unrelated sample)
ZZZZZZ 3W86199.D 04/24/24 20:30 10:20 (unrelated sample)
ZZZZZZ 3W86200.D 04/24/24 21:16 11:06 (unrelated sample)
ZZZZZZ 3W86201.D 04/24/24 22:02 11:52 (unrelated sample)
ZZZZZZ 3W86202.D 04/24/24 22:49 12:39 (unrelated sample)
ZZZZZZ 3W86203.D 04/24/24 23:35 13:25 (unrelated sample)
ZZZZZZ 3W86204.D 04/25/24 00:15 14:05 (unrelated sample)
ZZZZZZ 3W86205.D 04/25/24 00:56 14:46 (unrelated sample)
JD86292-1 3W86206.D 04/25/24 01:38 15:28 SG-17
JD86292-2 3W86207.D 04/25/24 02:19 16:09 SG-18
JD86292-3 3W86208.D 04/25/24 03:00 16:50 SG-19
JD86292-4 3W86209.D 04/25/24 03:41 17:31 SG-20
ZZZZZZ 3W86210.D 04/25/24 04:22 18:12 (unrelated sample)
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Instrument Performance Check (BFB)Page 1 of 1
Job Number:JD86292
Account:URSNCC AECOM, INC.
Project:Belmont Cleaners (DC360008), Belmont, NC
Sample:V7W201-BFB Injection Date:03/03/24
Lab File ID:7W05122.D Injection Time:01:33
Instrument ID:GCMS7W
Raw % Relative
m/e Ion Abundance Criteria Abundance Abundance Pass/Fail
50 8.0 - 40.0% of mass 95 17760 23.3 Pass
75 30.0 - 66.0% of mass 95 37779 49.5 Pass
95 Base peak, 100% relative abundance 76341 100.0 Pass
96 5.0 - 9.0% of mass 95 4920 6.44 Pass
173 Less than 2.0% of mass 174 176 0.23 (0.31) a Pass
174 50.0 - 120.0% of mass 95 57005 74.7 Pass
175 4.0 - 9.01% of mass 174 4049 5.30 (7.10) a Pass
176 93.0 - 101.0% of mass 174 54421 71.3 (95.5) a Pass
177 5.0 - 9.0% of mass 176 3543 4.64 (6.51) b Pass
(a) Value is % of mass 174
(b) Value is % of mass 176
This check applies to the following Samples, MS, MSD, Blanks, and Standards:
Lab Lab Date Time Hours Client
Sample ID File ID Analyzed Analyzed Lapsed Sample ID
V7W201-IC0201 7W05123.D 03/03/24 02:06 00:33 Initial cal 0.04
V7W201-IC0201 7W05124.D 03/03/24 02:40 01:07 Initial cal 0.10
V7W201-IC0201 7W05125.D 03/03/24 03:15 01:42 Initial cal 0.20
V7W201-IC0201 7W05126.D 03/03/24 03:52 02:19 Initial cal 0.50
V7W201-IC0201 7W05127.D 03/03/24 04:26 02:53 Initial cal 5
V7W201-ICC0201 7W05128.D 03/03/24 05:02 03:29 Initial cal 10
V7W201-IC0201 7W05129.D 03/03/24 05:38 04:05 Initial cal 20
V7W201-IC0201 7W05130.D 03/03/24 06:19 04:46 Initial cal 40
V7W201-IC0201 7W05131.D 03/03/24 07:01 05:28 Initial cal 50
V7W201-ICV0201 7W05135.D 03/03/24 09:19 07:46 Initial cal verification 10
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Instrument Performance Check (BFB)Page 1 of 2
Job Number:JD86292
Account:URSNCC AECOM, INC.
Project:Belmont Cleaners (DC360008), Belmont, NC
Sample:V7W218-BFB Injection Date:03/26/24
Lab File ID:7W05671.D Injection Time:08:50
Instrument ID:GCMS7W
Raw % Relative
m/e Ion Abundance Criteria Abundance Abundance Pass/Fail
50 8.0 - 40.0% of mass 95 18693 25.6 Pass
75 30.0 - 66.0% of mass 95 36045 49.3 Pass
95 Base peak, 100% relative abundance 73136 100.0 Pass
96 5.0 - 9.0% of mass 95 4816 6.58 Pass
173 Less than 2.0% of mass 174 125 0.17 (0.23) a Pass
174 50.0 - 120.0% of mass 95 54467 74.5 Pass
175 4.0 - 9.01% of mass 174 4005 5.48 (7.35) a Pass
176 93.0 - 101.0% of mass 174 52003 71.1 (95.5) a Pass
177 5.0 - 9.0% of mass 176 3250 4.44 (6.25) b Pass
(a) Value is % of mass 174
(b) Value is % of mass 176
This check applies to the following Samples, MS, MSD, Blanks, and Standards:
Lab Lab Date Time Hours Client
Sample ID File ID Analyzed Analyzed Lapsed Sample ID
V7W218-CC201 7W05672.D 03/26/24 09:25 00:35 Continuing cal 10
V7W218-BS 7W05673.D 03/26/24 10:06 01:16 Blank Spike
V7W218-BSD 7W05674.D 03/26/24 10:41 01:51 Blank Spike Duplicate
V7W218-MB 7W05676.D 03/26/24 12:02 03:12 Method Blank
V7W218-SCC 7W05677.D 03/26/24 12:41 03:51 Summa Cleaning Certification
V7W218-SCC 7W05678.D 03/26/24 13:21 04:31 Summa Cleaning Certification
V7W218-SCC 7W05679.D 03/26/24 13:56 05:06 Summa Cleaning Certification
V7W218-SCC 7W05680.D 03/26/24 14:30 05:40 Summa Cleaning Certification
V7W218-SCC 7W05681.D 03/26/24 15:05 06:15 Summa Cleaning Certification
V7W218-SCC 7W05682.D 03/26/24 15:40 06:50 Summa Cleaning Certification
V7W218-SCC 7W05683.D 03/26/24 16:14 07:24 Summa Cleaning Certification
JD84902-1 7W05687.D 03/26/24 18:53 10:03 (used for QC only; not part of job JD86292)
JD84902-1DUP 7W05688.D 03/26/24 19:29 10:39 Duplicate
ZZZZZZ 7W05689.D 03/26/24 20:10 11:20 (unrelated sample)
ZZZZZZ 7W05690.D 03/26/24 20:51 12:01 (unrelated sample)
ZZZZZZ 7W05691.D 03/26/24 21:28 12:38 (unrelated sample)
ZZZZZZ 7W05692.D 03/26/24 22:04 13:14 (unrelated sample)
ZZZZZZ 7W05693.D 03/26/24 22:40 13:50 (unrelated sample)
ZZZZZZ 7W05694.D 03/26/24 23:16 14:26 (unrelated sample)
ZZZZZZ 7W05695.D 03/26/24 23:52 15:02 (unrelated sample)
ZZZZZZ 7W05696.D 03/27/24 00:28 15:38 (unrelated sample)
ZZZZZZ 7W05697.D 03/27/24 01:04 16:14 (unrelated sample)
ZZZZZZ 7W05698.D 03/27/24 01:41 16:51 (unrelated sample)
ZZZZZZ 7W05699.D 03/27/24 02:17 17:27 (unrelated sample)
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Instrument Performance Check (BFB)Page 2 of 2
Job Number:JD86292
Account:URSNCC AECOM, INC.
Project:Belmont Cleaners (DC360008), Belmont, NC
Sample:V7W218-BFB Injection Date:03/26/24
Lab File ID:7W05671.D Injection Time:08:50
Instrument ID:GCMS7W
Lab Lab Date Time Hours Client
Sample ID File ID Analyzed Analyzed Lapsed Sample ID
ZZZZZZ 7W05700.D 03/27/24 02:53 18:03 (unrelated sample)
ZZZZZZ 7W05702.D 03/27/24 04:03 19:13 (unrelated sample)
ZZZZZZ 7W05704.D 03/27/24 05:13 20:23 (unrelated sample)
ZZZZZZ 7W05706.D 03/27/24 06:25 21:35 (unrelated sample)
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Instrument Performance Check (BFB)Page 1 of 2
Job Number:JD86292
Account:URSNCC AECOM, INC.
Project:Belmont Cleaners (DC360008), Belmont, NC
Sample:V7W220-BFB Injection Date:03/28/24
Lab File ID:7W05741.D Injection Time:09:06
Instrument ID:GCMS7W
Raw % Relative
m/e Ion Abundance Criteria Abundance Abundance Pass/Fail
50 8.0 - 40.0% of mass 95 18248 23.7 Pass
75 30.0 - 66.0% of mass 95 36515 47.5 Pass
95 Base peak, 100% relative abundance 76840 100.0 Pass
96 5.0 - 9.0% of mass 95 4936 6.42 Pass
173 Less than 2.0% of mass 174 186 0.24 (0.29) a Pass
174 50.0 - 120.0% of mass 95 63277 82.3 Pass
175 4.0 - 9.01% of mass 174 4662 6.07 (7.37) a Pass
176 93.0 - 101.0% of mass 174 60483 78.7 (95.6) a Pass
177 5.0 - 9.0% of mass 176 3937 5.12 (6.51) b Pass
(a) Value is % of mass 174
(b) Value is % of mass 176
This check applies to the following Samples, MS, MSD, Blanks, and Standards:
Lab Lab Date Time Hours Client
Sample ID File ID Analyzed Analyzed Lapsed Sample ID
V7W220-CC201 7W05742.D 03/28/24 09:42 00:36 Continuing cal 10
V7W220-BS 7W05743.D 03/28/24 10:17 01:11 Blank Spike
V7W220-BSD 7W05744.D 03/28/24 10:53 01:47 Blank Spike Duplicate
V7W220-MB 7W05746.D 03/28/24 12:14 03:08 Method Blank
V7W220-SCC 7W05747.D 03/28/24 13:01 03:55 Summa Cleaning Certification
V7W220-SCC 7W05748.D 03/28/24 13:40 04:34 Summa Cleaning Certification
V7W220-SCC 7W05749.D 03/28/24 14:20 05:14 Summa Cleaning Certification
V7W220-SCC 7W05750.D 03/28/24 15:31 06:25 Summa Cleaning Certification
V7W220-SCC 7W05751.D 03/28/24 16:06 07:00 Summa Cleaning Certification
V7W220-SCC 7W05752.D 03/28/24 16:41 07:35 Summa Cleaning Certification
V7W220-SCC 7W05753.D 03/28/24 17:17 08:11 Summa Cleaning Certification
JD85162-1 7W05754.D 03/28/24 17:52 08:46 (used for QC only; not part of job JD86292)
JD85162-1DUP 7W05755.D 03/28/24 18:28 09:22 Duplicate
ZZZZZZ 7W05756.D 03/28/24 19:04 09:58 (unrelated sample)
ZZZZZZ 7W05757.D 03/28/24 19:39 10:33 (unrelated sample)
ZZZZZZ 7W05758.D 03/28/24 20:15 11:09 (unrelated sample)
ZZZZZZ 7W05759.D 03/28/24 20:51 11:45 (unrelated sample)
ZZZZZZ 7W05760.D 03/28/24 21:26 12:20 (unrelated sample)
ZZZZZZ 7W05761.D 03/28/24 22:03 12:57 (unrelated sample)
ZZZZZZ 7W05764.D 03/29/24 00:13 15:07 (unrelated sample)
ZZZZZZ 7W05765.D 03/29/24 00:58 15:52 (unrelated sample)
ZZZZZZ 7W05766.D 03/29/24 01:39 16:33 (unrelated sample)
ZZZZZZ 7W05767.D 03/29/24 02:25 17:19 (unrelated sample)
ZZZZZZ 7W05770.D 03/29/24 04:11 19:05 (unrelated sample)
30 of 32
JD86292
6
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Instrument Performance Check (BFB)Page 2 of 2
Job Number:JD86292
Account:URSNCC AECOM, INC.
Project:Belmont Cleaners (DC360008), Belmont, NC
Sample:V7W220-BFB Injection Date:03/28/24
Lab File ID:7W05741.D Injection Time:09:06
Instrument ID:GCMS7W
Lab Lab Date Time Hours Client
Sample ID File ID Analyzed Analyzed Lapsed Sample ID
ZZZZZZ 7W05771.D 03/29/24 04:48 19:42 (unrelated sample)
ZZZZZZ 7W05772.D 03/29/24 05:25 20:19 (unrelated sample)
ZZZZZZ 7W05774.D 03/29/24 06:41 21:35 (unrelated sample)
ZZZZZZ 7W05775.D 03/29/24 07:23 22:17 (unrelated sample)
31 of 32
JD86292
6
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Surrogate Recovery Summary Page 1 of 1
Job Number:JD86292
Account:URSNCC AECOM, INC.
Project:Belmont Cleaners (DC360008), Belmont, NC
Method:TO-15 Matrix:AIR
Samples and QC shown here apply to the above method
Lab Lab
Sample ID File ID S1
JD86292-1 3W86206.D 103
JD86292-2 3W86207.D 107
JD86292-3 3W86208.D 106
JD86292-4 3W86209.D 104
JD86173-3DUP 3W86197.D 104
V3W3396-BS 3W86188.D 105
V3W3396-BSD 3W86189.D 105
V3W3396-MB 3W86191.D 95
V7W218-SCC 7W05679.D 96
V7W220-SCC 7W05750.D 89
V7W218-BS 7W05673.D 100
V7W218-BSD 7W05674.D 100
V7W218-MB 7W05676.D 98
V7W220-BS 7W05743.D 95
V7W220-BSD 7W05744.D 95
V7W220-MB 7W05746.D 92
Surrogate Recovery
Compounds Limits
S1 = 4-Bromofluorobenzene 65-128%
32 of 32
JD86292
6
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APPENDIX C
FIELD DATA SHEETS
Site:
Samplers:
Date:
Sample#
Location
Summa Canister ID
Flow Controller ID
NO/NO/NO/NO/NO/
Additional Tubing Added YES - How much YES - How much YES - How much YES - How much YES - How much

Purge Time (Start)
Purge Time (Stop)
Total Purge Time (min)
Purge Volume
PID Test of Purge Air
Initial Tracer Gas Results
Pressure Gauge - before
sampling
Sample Time (Start)
Sample Time (Stop)
Total Sample Time (min)
Pressure Gauge - after
sampling
Sample Volume
Canister Pressure Went to
Ambient Pressure?YES / NO YES / NO YES / NO YES / NO YES / NO
Final Tracer Gas Results
Associate Ambient Air
Sample Number
Summa Canister Sampling Field Data Sheet
General Comments:

1

Preparer’s name: ____________________________________ Date: __________________________
Preparer’s affiliation: ________________________________ Phone #: _______________________
Site Name: ________________________________________ Case #: ________________________

Part I - Occupants
Building Address: ____________________________________________________________________
Property Contact: ________________________ Owner / Renter / other: _______________________
Contact’s Phone: home ( )__________ work ( )______________ cell ( )____________
# of Building occupants: Children under age 13 _____ Children age 13-18 ______ Adults _____

Part II – Building Characteristics
Building type: residential / multi-family residential / office / strip mall / commercial / industrial
Describe building: ________________________________________ Year constructed: _________
Sensitive population: day care / nursing home / hospital / school / other (specify): _______________
Type of construction: full basement / partial basement / walk-out basement / crawl space / slab on grade
Slab description: one level / multiple levels / not applicable
Number of floors below grade: ______ () Number of floors at or above grade: ______
Depth of basement below grade surface: ______ ft. Basement size: _______ ft2
Basement floor construction: concrete / dirt / floating / stone / other (specify): ________________
Foundation walls: poured concrete / cinder blocks / stone / other (specify) ________________
Basement sump present? Yes / No Sump pump? Yes / No Water in sump? Yes / No
Elevator present? Yes/No
Type of heating system (circle all that apply):
hot air circulation hot air radiation wood steam radiation
heat pump hot water radiation kerosene heater electric baseboard
other (specify): ________________________

Type of ventilation system (circle all that apply):
central air conditioning mechanical fans bathroom ventilation fans
individual air conditioning units kitchen range hood fan outside air intake
other (specify): _________________

Type of fuel utilized (circle all that apply):
Natural gas / electric / fuel oil / wood / coal / solar / kerosene

AECOM Technical Services of North Carolina, Inc.
Form adapted from NJDEP Guidance
INDOOR AIR BUILDING SURVEY and
SAMPLING FORM
2

Are the basement walls or floor sealed with waterproof paint or epoxy coatings? Yes / No
Is there a whole house fan? Yes / No
Is there a hood (i.e. kitchen)? Yes / No If Yes - how recently operated? _____________
Show locations on site sketch
Does the facility need to clean grease off equipment (i.e. oven cleaner, hood cleaning, shop degreasers) Yes / No
If YES: What products are used? ____________________________________________________________
When were the products last used? ____________________________________________________
Are the products still onsite? _________________________________________________________
Is there wall or roof fan(s) open to exterior? Yes / No
If Yes – Active / Passive?
Are they under normal operating conditions? Yes / No How recently did they operate? ___________
Show locations on site sketch
Septic system? Yes / Yes (but not used) / No
Irrigation/private well? Yes / Yes (but not used) / No
Type of ground cover outside of building: grass / concrete / asphalt / other (specify) _____________
Existing subsurface depressurization (radon) system in place? Yes / No active / passive
Sub-slab vapor/moisture barrier in place? Yes / No
Type of barrier: ____________________________

Part III - Outside Contaminant Sources
Contaminated site (1000-ft. radius): ________________________________________________
Other stationary sources nearby (gas stations, emission stacks, etc.): _____________________________
Heavy vehicular traffic nearby (or other mobile sources): ______________________________________

Part IV – Indoor Contaminant Sources
Identify all potential indoor sources found in the building (including attached garages) and the location of the source
(floor and room). In the event these source(s) are removed prior to the indoor air sampling event, please document
accordingly. Any ventilation implemented after removal of the items should be completed at least 24 hours prior to
the commencement of the indoor air sampling event.

Potential Sources Location(s) Removed (Yes /
No / NA)
Gasoline storage cans
Gas-powered equipment
Kerosene storage cans
Paints / thinners / strippers
Cleaning solvents
Oven cleaners
3
Potential Sources Location(s) Removed (Yes /
No / NA)
Carpet / upholstery cleaners
Other house cleaning products
Moth balls
Polishes / waxes
Insecticides
Furniture / floor polish
Nail polish / polish remover
Hairspray
Cologne / perfume
Air fresheners
Fuel tank (inside building) NA
Wood stove or fireplace NA
New furniture / upholstery
New carpeting / flooring NA
Hobbies - glues, paints, etc.

Part V – Miscellaneous Items
Do any occupants of the building smoke? Yes / No How often? ______________
Last time someone smoked in the building? ____________ hours / days ago
Does the building have an attached garage directly connected to living space? Yes / No
If so, is a car usually parked in the garage? Yes / No
Are gas-powered equipment or cans of gasoline/fuels stored in the garage? Yes / No
Do the occupants of the building have their clothes dry cleaned? Yes / No
If yes, how often? weekly / monthly / 3-4 times a year
Have the drapes, rugs, etc. been dry cleaned? Yes/ No
Do any of the occupants use solvents in work? Yes / No
If yes, what types of solvents are used? _______________________________________
If yes, are their clothes washed at work? Yes / No
Have any pesticides/herbicides been applied around the building or in the yard? Yes / No
If so, when and which chemicals? _________________________________________________
Has there ever been a fire in the building? Yes / No If yes, when? _____________
Has painting or staining been done in the building in the last 6 months? Yes / No
If yes, when __________________ and where? ____________________________
4
Part VI – Sampling Information
Sample Technician: ____________________________ Phone number: ( ) _______ - __________
Sample Source: Indoor Air / Sub-Slab / Near Slab Soil Gas / Exterior Soil Gas
Sampler Type: Stainless Steel Canister / Other (specify): _________________
Analytical Method: TO-15 SIM / TO-15 full scan / other: _________ Cert. Laboratory: _________________
Sample locations (floor, room):
Field ID # _____ - ________________________ Field ID # _____ - __________________________
Field ID # _____ - ________________________ Field ID # _____ - __________________________
Were NJ DEP “Instructions for Occupants” followed? Yes / No
If not, describe modifications: __________________________________________________________

Provide Drawing of Sample Location(s) in Building

5
Part VII - Meteorological Conditions
Was there significant precipitation within 72 hours prior to (or during) the sampling event? Yes / No
Describe the general weather conditions: ___________________________________________________
_____________________________________________________________________________________

Part VIII – General Observations
Provide any information that may be pertinent to the sampling event and may assist in the data interpretation process.
______________________________________________________________________________________________
______________________________________________________________________________________________
______________________________________________________________________________________________
Site:
Samplers:
Date:
Sample#
Location
Summa Canister ID
Flow Controller ID
NO/NO/NO/NO/NO/
Purge Time (Start)
Purge Time (Stop)
Total Purge Time (min)
Purge Volume
PID Test of Purge Air
Initial Tracer Gas Results
Sample Time (Start)
Sample Time (Stop)
Total Sample Time (min)
Sample Volume
YES / NO YES / NO YES / NO YES / NO YES / NO
Final Tracer Gas Results
Summa Canister Sampling Field Data Sheet

Belmontcleaners
ELove8112023
1A 4 1A 5 SSV 3 SSV 4 SG 9
middletenant southerntenantmiddletenant southerntenantvacantpropertyspaceat117spaceat117spaceat117spaceat117totheNorthofSMainStreetsmainstreetsmainstreetsmainstreet104BryantSt
A2180 A814 A2077 A647 A2150
1677 13009 10402 189 7109
660mL
0.0930.0
29 30 28 27
0816 0817 1637 1648 1405
1616 1557 1707 1716 1435
30 28 30480460
y 6L 6h
4 4 4 4 4
6L
O
6L
O O O O
1

Preparer’s name: ____________________________________ Date: __________________________
Preparer’s affiliation: ________________________________ Phone #: _______________________
Site Name: ________________________________________ Case #: ________________________

Part I - Occupants
Building Address: ____________________________________________________________________
Property Contact: ________________________ Owner / Renter / other: _______________________
Contact’s Phone: home ( )__________ work ( )______________ cell ( )____________
# of Building occupants: Children under age 13 _____ Children age 13-18 ______ Adults _____

Part II – Building Characteristics
Building type: residential / multi-family residential / office / strip mall / commercial / industrial
Describe building: ________________________________________ Year constructed: _________
Sensitive population: day care / nursing home / hospital / school / other (specify): _______________
Type of construction: full basement / partial basement / walk-out basement / crawl space / slab on grade
Slab description: one level / multiple levels / not applicable
Number of floors below grade: ______ () Number of floors at or above grade: ______
Depth of basement below grade surface: ______ ft. Basement size: _______ ft2
Basement floor construction: concrete / dirt / floating / stone / other (specify): ________________
Foundation walls: poured concrete / cinder blocks / stone / other (specify) ________________
Basement sump present? Yes / No Sump pump? Yes / No Water in sump? Yes / No
Elevator present? Yes/No
Type of heating system (circle all that apply):
hot air circulation hot air radiation wood steam radiation
heat pump hot water radiation kerosene heater electric baseboard
other (specify): ________________________

Type of ventilation system (circle all that apply):
central air conditioning mechanical fans bathroom ventilation fans
individual air conditioning units kitchen range hood fan outside air intake
other (specify): _________________

Type of fuel utilized (circle all that apply):
Natural gas / electric / fuel oil / wood / coal / solar / kerosene

AECOM Technical Services of North Carolina, Inc.
Form adapted from NJDEP Guidance
INDOOR AIR BUILDING SURVEY and
SAMPLING FORM
8112023
7048253200
2

Are the basement walls or floor sealed with waterproof paint or epoxy coatings? Yes / No
Is there a whole house fan? Yes / No
Is there a hood (i.e. kitchen)? Yes / No If Yes - how recently operated? _____________
Show locations on site sketch
Does the facility need to clean grease off equipment (i.e. oven cleaner, hood cleaning, shop degreasers) Yes / No
If YES: What products are used? ____________________________________________________________
When were the products last used? ____________________________________________________
Are the products still onsite? _________________________________________________________
Is there wall or roof fan(s) open to exterior? Yes / No
If Yes – Active / Passive?
Are they under normal operating conditions? Yes / No How recently did they operate? ___________
Show locations on site sketch
Septic system? Yes / Yes (but not used) / No
Irrigation/private well? Yes / Yes (but not used) / No
Type of ground cover outside of building: grass / concrete / asphalt / other (specify) _____________
Existing subsurface depressurization (radon) system in place? Yes / No active / passive
Sub-slab vapor/moisture barrier in place? Yes / No
Type of barrier: ____________________________

Part III - Outside Contaminant Sources
Contaminated site (1000-ft. radius): ________________________________________________
Other stationary sources nearby (gas stations, emission stacks, etc.): _____________________________
Heavy vehicular traffic nearby (or other mobile sources): ______________________________________

Part IV – Indoor Contaminant Sources
Identify all potential indoor sources found in the building (including attached garages) and the location of the source
(floor and room). In the event these source(s) are removed prior to the indoor air sampling event, please document
accordingly. Any ventilation implemented after removal of the items should be completed at least 24 hours prior to
the commencement of the indoor air sampling event.

Potential Sources Location(s) Removed (Yes /
No / NA)
Gasoline storage cans
Gas-powered equipment
Kerosene storage cans
Paints / thinners / strippers
Cleaning solvents
Oven cleaners
3
Potential Sources Location(s) Removed (Yes /
No / NA)
Carpet / upholstery cleaners
Other house cleaning products
Moth balls
Polishes / waxes
Insecticides
Furniture / floor polish
Nail polish / polish remover
Hairspray
Cologne / perfume
Air fresheners
Fuel tank (inside building) NA
Wood stove or fireplace NA
New furniture / upholstery
New carpeting / flooring NA
Hobbies - glues, paints, etc.

Part V – Miscellaneous Items
Do any occupants of the building smoke? Yes / No How often? ______________
Last time someone smoked in the building? ____________ hours / days ago
Does the building have an attached garage directly connected to living space? Yes / No
If so, is a car usually parked in the garage? Yes / No
Are gas-powered equipment or cans of gasoline/fuels stored in the garage? Yes / No
Do the occupants of the building have their clothes dry cleaned? Yes / No
If yes, how often? weekly / monthly / 3-4 times a year
Have the drapes, rugs, etc. been dry cleaned? Yes/ No
Do any of the occupants use solvents in work? Yes / No
If yes, what types of solvents are used? _______________________________________
If yes, are their clothes washed at work? Yes / No
Have any pesticides/herbicides been applied around the building or in the yard? Yes / No
If so, when and which chemicals? _________________________________________________
Has there ever been a fire in the building? Yes / No If yes, when? _____________
Has painting or staining been done in the building in the last 6 months? Yes / No
If yes, when __________________ and where? ____________________________
4
Part VI – Sampling Information
Sample Technician: ____________________________ Phone number: ( ) _______ - __________
Sample Source: Indoor Air / Sub-Slab / Near Slab Soil Gas / Exterior Soil Gas
Sampler Type: Stainless Steel Canister / Other (specify): _________________
Analytical Method: TO-15 SIM / TO-15 full scan / other: _________ Cert. Laboratory: _________________
Sample locations (floor, room):
Field ID # _____ - ________________________ Field ID # _____ - __________________________
Field ID # _____ - ________________________ Field ID # _____ - __________________________
Were NJ DEP “Instructions for Occupants” followed? Yes / No
If not, describe modifications: __________________________________________________________

Provide Drawing of Sample Location(s) in Building

SGS
IA 4 55 3
1A 5 SSV 4
SSV4
1A 5
IA 4
SSU 3
5
Part VII - Meteorological Conditions
Was there significant precipitation within 72 hours prior to (or during) the sampling event? Yes / No
Describe the general weather conditions: ___________________________________________________
_____________________________________________________________________________________

Part VIII – General Observations
Provide any information that may be pertinent to the sampling event and may assist in the data interpretation process.
______________________________________________________________________________________________
______________________________________________________________________________________________
______________________________________________________________________________________________
Opartlysunny80schanceofstorms
Site:
Samplers:
Date:
Sample#
Location
Summa Canister ID
Flow Controller ID
NO/NO/NO/NO/NO/
Additional Tubing Added YES - How much YES - How much YES - How much YES - How much YES - How much
Purge Time (Start)
Purge Time (Stop)
Total Purge Time (min)
Purge Volume
Tracer Gas Results (He)
Shut-In Test Reading (inHg)
Pressure Gauge - before
sampling
Sample Time (Start)
Sample Time (Stop)
Total Sample Time (min)
Pressure Gauge - after
sampling
Sample Volume
Canister Pressure Went to
Ambient Pressure?YES / NO YES / NO YES / NO YES / NO YES / NO
Summa Canister Sampling Field Data Sheet
General Comments:

Site:
Samplers:
Date:
Sample#
Location
Summa Canister ID
Flow Controller ID
NO/NO/NO/NO/NO/
Additional Tubing Added YES - How much YES - How much YES - How much YES - How much YES - How much
Purge Time (Start)
Purge Time (Stop)
Total Purge Time (min)
Purge Volume
Tracer Gas Results (He)
Shut-In Test Reading (inHg)
Pressure Gauge - before
sampling
Sample Time (Start)
Sample Time (Stop)
Total Sample Time (min)
Pressure Gauge - after
sampling
Sample Volume
Canister Pressure Went to
Ambient Pressure?YES / NO YES / NO YES / NO YES / NO YES / NO
Summa Canister Sampling Field Data Sheet
General Comments:
CamScanner
APPENDIX D
PHOTOGRAPHIC LOGS
DSCA Site DC360008
Belmont Dry Cleaners
Date of Photograph:
05/09/23
Direction:
Northwest
Description:
Sample location for IA-3.
Photolog, Photo No. 1
DSCA Site DC360008
Belmont Dry Cleaners
Date of Photograph:
05/09/23
Direction:
Southeast
Description:
Sample location for SSV-2.
Photolog, Photo No. 2
DSCA Site DC360008
Belmont Dry Cleaners
Date of Photograph:
08/11/23
Direction:
Southeast
Description:
Sample location for IA-4.
Photolog, Photo No. 3
DSCA Site DC360008
Belmont Dry Cleaners
Date of Photograph:
08/11/23
Direction:
South
Description:
Sample location for SSV-3.
Photolog, Photo No. 4
DSCA Site DC360008
Belmont Dry Cleaners
Date of Photograph:
08/11/23
Direction:
Southwest
Description:
Sample location for IA-5.
Photolog, Photo No. 5
DSCA Site DC360008
Belmont Dry Cleaners
Date of Photograph:
08/11/23
Direction:
South
Description:
Sample location for SSV-4.
Photolog, Photo No. 6
DSCA Site DC360008
Belmont Dry Cleaners
Date of Photograph:
08/11/23
Direction:
South
Description:
Sample location for SG-9.
Photolog, Photo No. 7
DSCA Site DC360008
Belmont Dry Cleaners
Date of Photograph:
10/27/23
Direction:
Southeast
Description:
Sample location for SG-10.
Photolog, Photo No. 8
DSCA Site DC360008
Belmont Dry Cleaners
Date of Photograph:
10/27/23
Direction:
Southeast
Description:
Sample location for SG-11.
Photolog, Photo No. 9
DSCA Site DC360008
Belmont Dry Cleaners
Date of Photograph:
10/27/23
Direction:
Southwest
Description:
Sample location for SG-12.
Photolog, Photo No. 10
DSCA Site DC360008
Belmont Dry Cleaners
Date of Photograph:
10/27/23
Direction:
Northeast
Description:
Sample location for SG-13.
Photolog, Photo No. 11
DSCA Site DC360008
Belmont Dry Cleaners
Date of Photograph:
10/27/23
Direction:
Northwest
Description:
Sample location for SG-14.
Photolog, Photo No. 12
DSCA Site DC360008
Belmont Dry Cleaners
Date of Photograph:
10/27/23
Direction:
Southwest
Description:
Sample location for SG-15.
Photolog, Photo No. 13
DSCA Site DC360008
Belmont Dry Cleaners
Date of Photograph:
10/27/23
Direction:
Southwest
Description:
Sample location for SG-16.
Photolog, Photo No. 14
DSCA Site DC360008
Belmont Dry Cleaners
Date of Photograph:
04/10/24
Direction:
Northeast
Description:
Sample location for SG-17.
Photolog, Photo No. 15
DSCA Site DC360008
Belmont Dry Cleaners
Date of Photograph:
04/10/24
Direction:
Northeast
Description:
Sample location for SG-18.
Photolog, Photo No. 16
DSCA Site DC360008
Belmont Dry Cleaners
Date of Photograph:
04/10/24
Direction:
Northeast
Description:
Sample location for SG-19.
Photolog, Photo No. 17
DSCA Site DC360008
Belmont Dry Cleaners
Date of Photograph:
04/10/24
Direction:
South
Description:
Sample location for SG-20.
Photolog, Photo No. 18
APPENDIX E
VI CUMULATIVE RISK CALCULATOR WORKSHEETS
DSCA ID No:
Name/Address of DSCA Site:
Name/Address of Sampling Location:
Sampling Date:5/9/2023
Sample ID:IA-3
All concentrations are in ug/m3
CAS #Chemical Name:
Indoor Air
Concentration
(ug/m3)
Indoor Air
Screening Level
for Carcinogens
@ TCR = 1E-06
Indoor Air
for Non-
Carcinogens @
THQ = 0.2
Calculated
Carcinogenic Risk
Carcinogenic
Hazard
Quotient
156-59-2 Dichloroethylene, cis-1,2--8.3E+00
156-60-5 Dichloroethylene, trans-1,2--8.3E+00
127-18-4 Tetrachloroethylene 13.1 1.1E+01 8.3E+00 1.2E-06 3.1E-01
79-01-6 Trichloroethylene 4.8E-01 4.2E-01
75-01-4 Vinyl Chloride 1.7E-01 1.7E+01
Cumulative:1.2E-06 3.1E-01
Carcinogenic risk and hazard quotient cells highlighted in orange are associated with non-volatile chemicals. Risks are calculated for these values if indoor air
concentrations are entered and indoor air screening levels have been established, but it should be noted that detections of these chemicals are likely not associated with
vapor intrusion.
Belmont Dry Cleaners / 111 South Main Street, Belmont, Gaston County, NC
Commercial / 117 South Main Street, Belmont, Gaston County, NC
DSCA Indoor Air Risk Calculator - Cumulative Risk for Resident
Version 11, July 2023
DC360008
DSCA ID No:
Name/Address of DSCA Site:
Name/Address of Sampling Location:
Sampling Date:5/9/2023
Sample ID:IA-3
All concentrations are in ug/m3
CAS #Chemical Name:
Indoor Air
Concentration
(ug/m3)
Indoor Air
Screening Level
for Carcinogens
@ TCR = 1E-06
Indoor Air
for Non-
Carcinogens @
THQ = 0.2
Calculated
Carcinogenic Risk
Calculated Non-
Carcinogenic
Hazard Quotient
156-59-2
156-60-5
127-18-4
79-01-6
75-01-4
Cumulative:2.8E-07 7.5E-02
Carcinogenic risk and hazard quotient cells highlighted in orange are associated with non-volatile chemicals. Risks are calculated for these values if indoor air concentrations
are entered and indoor air screening levels have been established, but it should be noted that detections of these chemicals are likely not associated with vapor intrusion.
DSCA Indoor Air Risk Calculator - Cumulative Risk for Non-Residential Worker
Version 11, July 2023
DC360008
Belmont Dry Cleaners / 111 South Main Street, Belmont, Gaston County, NC
Commercial / 117 South Main Street, Belmont, Gaston County, NC
DSCA ID No:
Name/Address of DSCA Site:Belmont Dry Cleaners / 111 South Main Street, Belmont, Gaston County, NC
Name/Address of Sampling Location:Commercial / 117 South Main Street, Belmont, Gaston County, NC
Sampling Date:5/9/2023
Sample ID:SSV-2
All concentrations are in ug/m3
CAS #Chemical Name:
Soil Gas
Concentration
(ug/m3)
Calculated Indoor
Air Concentration
(ug/m3)
Indoor Air
Screening Level
for Carcinogens
@ TCR = 1E-06
Indoor Air
for Non-
Carcinogens @
THQ = 0.2
Calculated
Carcinogenic Risk
Calculated Non-
Carcinogenic
Hazard
Quotient
156-59-2 Dichloroethylene, cis-1,2--8.3E+00
156-60-5 Dichloroethylene, trans-1,2--8.3E+00
127-18-4 Tetrachloroethylene 268000 8040 1.1E+01 8.3E+00 7.4E-04 1.9E+02
79-01-6 Trichloroethylene 1060 31.8 4.8E-01 4.2E-01 6.6E-05 1.5E+01
75-01-4 Vinyl Chloride 1.7E-01 1.7E+01
Cumulative:8.1E-04 2.1E+02
DSCA Soil Gas Risk Calculator - Cumulative Risk for Resident
Version 11, July 2023
DC360008
Carcinogenic risk and hazard quotient cells highlighted in orange are associated with non-volatile chemicals. Since these chemicals do not pose a vapor intrusion risk, no risk
values are calculated for these chemicals.
DSCA ID No:
Name/Address of DSCA Site:Belmont Dry Cleaners / 111 South Main Street, Belmont, Gaston County, NC
Name/Address of Sampling Location:Commercial / 117 South Main Street, Belmont, Gaston County, NC
Sampling Date:5/9/2023
Sample ID:SSV-2
All concentrations are in ug/m3
CAS #Chemical Name:
Soil Gas
Concentration
(ug/m3)
Calculated Indoor
Air Concentration
(ug/m3)
Indoor Air
Screening Level
TCR = 1E-06
Indoor Air
for Non-
Carcinogens @
Calculated
Carcinogenic Risk
Calculated Non-
Carcinogenic
Hazard Quotient
156-59-2 -3.5E+01
156-60-5 -3.5E+01
127-18-4 268000 2680 4.7E+01 3.5E+01 5.7E-05 1.5E+01
79-01-6 1060 10.6 3.0E+00 1.8E+00 3.5E-06 1.2E+00
75-01-4 2.8E+00 7.0E+01
Cumulative:6.0E-05 1.7E+01
DSCA Soil Gas Risk Calculator - Cumulative Risk for Non-Residential Worker
Version 11, July 2023
DC360008
Carcinogenic risk and hazard quotient cells highlighted in orange are associated with non-volatile chemicals. Since these chemicals do not pose a vapor intrusion risk, no risk
values are calculated for these chemicals.
DSCA ID No:
Name/Address of DSCA Site:
Name/Address of Sampling Location:
Sampling Date:8/11/2023
Sample ID:IA-4
All concentrations are in ug/m3
CAS #Chemical Name:
Indoor Air
Concentration
(ug/m3)
Indoor Air
Screening Level
for Carcinogens
@ TCR = 1E-06
Indoor Air
for Non-
Carcinogens @
THQ = 0.2
Calculated
Carcinogenic Risk
Carcinogenic
Hazard
Quotient
156-59-2 Dichloroethylene, cis-1,2--8.3E+00
156-60-5 Dichloroethylene, trans-1,2--8.3E+00
127-18-4 Tetrachloroethylene 3.7 1.1E+01 8.3E+00 3.4E-07 8.9E-02
79-01-6 Trichloroethylene 4.8E-01 4.2E-01
75-01-4 Vinyl Chloride 1.7E-01 1.7E+01
Cumulative:3.4E-07 8.9E-02
Carcinogenic risk and hazard quotient cells highlighted in orange are associated with non-volatile chemicals. Risks are calculated for these values if indoor air
concentrations are entered and indoor air screening levels have been established, but it should be noted that detections of these chemicals are likely not associated with
vapor intrusion.
Belmont Dry Cleaners / 111 South Main Street, Belmont, Gaston County, NC
Commercial / 117 South Main Street, Belmont, Gaston County, NC
DSCA Indoor Air Risk Calculator - Cumulative Risk for Resident
Version 11, July 2023
DC360008
DSCA ID No:
Name/Address of DSCA Site:
Name/Address of Sampling Location:
Sampling Date:8/11/2023
Sample ID:IA-4
All concentrations are in ug/m3
CAS #Chemical Name:
Indoor Air
Concentration
(ug/m3)
Indoor Air
Screening Level
for Carcinogens
@ TCR = 1E-06
Indoor Air
for Non-
Carcinogens @
THQ = 0.2
Calculated
Carcinogenic Risk
Calculated Non-
Carcinogenic
Hazard Quotient
156-59-2
156-60-5
127-18-4
79-01-6
75-01-4
Cumulative:7.8E-08 2.1E-02
Carcinogenic risk and hazard quotient cells highlighted in orange are associated with non-volatile chemicals. Risks are calculated for these values if indoor air concentrations
are entered and indoor air screening levels have been established, but it should be noted that detections of these chemicals are likely not associated with vapor intrusion.
DSCA Indoor Air Risk Calculator - Cumulative Risk for Non-Residential Worker
Version 11, July 2023
DC360008
Belmont Dry Cleaners / 111 South Main Street, Belmont, Gaston County, NC
Commercial / 117 South Main Street, Belmont, Gaston County, NC
DSCA ID No:
Name/Address of DSCA Site:
Name/Address of Sampling Location:
Sampling Date:8/11/2023
Sample ID:IA-5
All concentrations are in ug/m3
CAS #Chemical Name:
Indoor Air
Concentration
(ug/m3)
Indoor Air
Screening Level
for Carcinogens
@ TCR = 1E-06
Indoor Air
for Non-
Carcinogens @
THQ = 0.2
Calculated
Carcinogenic Risk
Carcinogenic
Hazard
Quotient
156-59-2 Dichloroethylene, cis-1,2--8.3E+00
156-60-5 Dichloroethylene, trans-1,2--8.3E+00
127-18-4 Tetrachloroethylene 2.6 1.1E+01 8.3E+00 2.4E-07 6.2E-02
79-01-6 Trichloroethylene 4.8E-01 4.2E-01
75-01-4 Vinyl Chloride 1.7E-01 1.7E+01
Cumulative:2.4E-07 6.2E-02
Carcinogenic risk and hazard quotient cells highlighted in orange are associated with non-volatile chemicals. Risks are calculated for these values if indoor air
concentrations are entered and indoor air screening levels have been established, but it should be noted that detections of these chemicals are likely not associated with
vapor intrusion.
Belmont Dry Cleaners / 111 South Main Street, Belmont, Gaston County, NC
Commercial / 117 South Main Street, Belmont, Gaston County, NC
DSCA Indoor Air Risk Calculator - Cumulative Risk for Resident
Version 11, July 2023
DC360008
DSCA ID No:
Name/Address of DSCA Site:
Name/Address of Sampling Location:
Sampling Date:8/11/2023
Sample ID:IA-5
All concentrations are in ug/m3
CAS #Chemical Name:
Indoor Air
Concentration
(ug/m3)
Indoor Air
Screening Level
for Carcinogens
@ TCR = 1E-06
Indoor Air
for Non-
Carcinogens @
THQ = 0.2
Calculated
Carcinogenic Risk
Calculated Non-
Carcinogenic
Hazard Quotient
156-59-2
156-60-5
127-18-4
79-01-6
75-01-4
Cumulative:5.5E-08 1.5E-02
Carcinogenic risk and hazard quotient cells highlighted in orange are associated with non-volatile chemicals. Risks are calculated for these values if indoor air concentrations
are entered and indoor air screening levels have been established, but it should be noted that detections of these chemicals are likely not associated with vapor intrusion.
DSCA Indoor Air Risk Calculator - Cumulative Risk for Non-Residential Worker
Version 11, July 2023
DC360008
Belmont Dry Cleaners / 111 South Main Street, Belmont, Gaston County, NC
Commercial / 117 South Main Street, Belmont, Gaston County, NC
DSCA ID No:
Name/Address of DSCA Site:Belmont Dry Cleaners / 111 South Main Street, Belmont, Gaston County, NC
Name/Address of Sampling Location:Commercial / 117 South Main Street, Belmont, Gaston County, NC
Sampling Date:8/11/2023
Sample ID:SSV-3
All concentrations are in ug/m3
CAS #Chemical Name:
Soil Gas
Concentration
(ug/m3)
Calculated Indoor
Air Concentration
(ug/m3)
Indoor Air
Screening Level
for Carcinogens
@ TCR = 1E-06
Indoor Air
for Non-
Carcinogens @
THQ = 0.2
Calculated
Carcinogenic Risk
Calculated Non-
Carcinogenic
Hazard
Quotient
156-59-2 Dichloroethylene, cis-1,2--8.3E+00
156-60-5 Dichloroethylene, trans-1,2--8.3E+00
127-18-4 Tetrachloroethylene 6530 195.9 1.1E+01 8.3E+00 1.8E-05 4.7E+00
79-01-6 Trichloroethylene 104 3.12 4.8E-01 4.2E-01 6.5E-06 1.5E+00
75-01-4 Vinyl Chloride 1.7E-01 1.7E+01
Cumulative:2.5E-05 6.2E+00
DSCA Soil Gas Risk Calculator - Cumulative Risk for Resident
Version 11, July 2023
DC360008
Carcinogenic risk and hazard quotient cells highlighted in orange are associated with non-volatile chemicals. Since these chemicals do not pose a vapor intrusion risk, no risk
values are calculated for these chemicals.
DSCA ID No:
Name/Address of DSCA Site:Belmont Dry Cleaners / 111 South Main Street, Belmont, Gaston County, NC
Name/Address of Sampling Location:Commercial / 117 South Main Street, Belmont, Gaston County, NC
Sampling Date:8/11/2023
Sample ID:SSV-3
All concentrations are in ug/m3
CAS #Chemical Name:
Soil Gas
Concentration
(ug/m3)
Calculated Indoor
Air Concentration
(ug/m3)
Indoor Air
Screening Level
TCR = 1E-06
Indoor Air
for Non-
Carcinogens @
Calculated
Carcinogenic Risk
Calculated Non-
Carcinogenic
Hazard Quotient
156-59-2 -3.5E+01
156-60-5 -3.5E+01
127-18-4 6530 65.3 4.7E+01 3.5E+01 1.4E-06 3.7E-01
79-01-6 104 1.04 3.0E+00 1.8E+00 3.5E-07 1.2E-01
75-01-4 2.8E+00 7.0E+01
Cumulative:1.7E-06 4.9E-01
DSCA Soil Gas Risk Calculator - Cumulative Risk for Non-Residential Worker
Version 11, July 2023
DC360008
Carcinogenic risk and hazard quotient cells highlighted in orange are associated with non-volatile chemicals. Since these chemicals do not pose a vapor intrusion risk, no risk
values are calculated for these chemicals.
DSCA ID No:
Name/Address of DSCA Site:Belmont Dry Cleaners / 111 South Main Street, Belmont, Gaston County, NC
Name/Address of Sampling Location:Commercial / 117 South Main Street, Belmont, Gaston County, NC
Sampling Date:8/11/2023
Sample ID:SSV-4
All concentrations are in ug/m3
CAS #Chemical Name:
Soil Gas
Concentration
(ug/m3)
Calculated Indoor
Air Concentration
(ug/m3)
Indoor Air
Screening Level
for Carcinogens
@ TCR = 1E-06
Indoor Air
for Non-
Carcinogens @
THQ = 0.2
Calculated
Carcinogenic Risk
Calculated Non-
Carcinogenic
Hazard
Quotient
156-59-2 Dichloroethylene, cis-1,2--8.3E+00
156-60-5 Dichloroethylene, trans-1,2--8.3E+00
127-18-4 Tetrachloroethylene 18 0.54 1.1E+01 8.3E+00 5.0E-08 1.3E-02
79-01-6 Trichloroethylene 4.8E-01 4.2E-01
75-01-4 Vinyl Chloride 1.7E-01 1.7E+01
Cumulative:5.0E-08 1.3E-02
DSCA Soil Gas Risk Calculator - Cumulative Risk for Resident
Version 11, July 2023
DC360008
Carcinogenic risk and hazard quotient cells highlighted in orange are associated with non-volatile chemicals. Since these chemicals do not pose a vapor intrusion risk, no risk
values are calculated for these chemicals.
DSCA ID No:
Name/Address of DSCA Site:Belmont Dry Cleaners / 111 South Main Street, Belmont, Gaston County, NC
Name/Address of Sampling Location:Commercial / 117 South Main Street, Belmont, Gaston County, NC
Sampling Date:8/11/2023
Sample ID:SSV-4
All concentrations are in ug/m3
CAS #Chemical Name:
Soil Gas
Concentration
(ug/m3)
Calculated Indoor
Air Concentration
(ug/m3)
Indoor Air
Screening Level
TCR = 1E-06
Indoor Air
for Non-
Carcinogens @
Calculated
Carcinogenic Risk
Calculated Non-
Carcinogenic
Hazard Quotient
156-59-2 -3.5E+01
156-60-5 -3.5E+01
127-18-4 18 0.18 4.7E+01 3.5E+01 3.8E-09 1.0E-03
79-01-6 3.0E+00 1.8E+00
75-01-4 2.8E+00 7.0E+01
Cumulative:3.8E-09 1.0E-03
DSCA Soil Gas Risk Calculator - Cumulative Risk for Non-Residential Worker
Version 11, July 2023
DC360008
Carcinogenic risk and hazard quotient cells highlighted in orange are associated with non-volatile chemicals. Since these chemicals do not pose a vapor intrusion risk, no risk
values are calculated for these chemicals.
DSCA ID No:
Name/Address of DSCA Site: Belmont Dry Cleaners / 111 South Main Street, Belmont, Gaston County, NC
Name/Address of Sampling Location: Vacant - Residential / 100 Bryant Street, Belmont, Gaston County, NC
Sampling Date: 8/11/2023
Sample ID: SG-9
All concentrations are in ug/m3
CAS #Chemical Name:
Soil Gas
Concentration
(ug/m3)
Calculated Indoor
Air Concentration
(ug/m3)
Indoor Air
Screening Level
for Carcinogens
@ TCR = 1E-06
Indoor Air
for Non-
Carcinogens @
THQ = 0.2
Calculated
Carcinogenic Risk
Calculated Non-
Carcinogenic
Hazard
Quotient
156-59-2 Dichloroethylene, cis-1,2--8.3E+00
156-60-5 Dichloroethylene, trans-1,2--8.3E+00
127-18-4 Tetrachloroethylene 3420 102.6 1.1E+01 8.3E+00 9.5E-06 2.5E+00
79-01-6 Trichloroethylene 5 0.15 4.8E-01 4.2E-01 3.1E-07 7.2E-02
75-01-4 Vinyl Chloride 1.7E-01 1.7E+01
Cumulative:9.8E-06 2.5E+00
DSCA Soil Gas Risk Calculator - Cumulative Risk for Resident
Version 11, July 2023
DC360008
Carcinogenic risk and hazard quotient cells highlighted in orange are associated with non-volatile chemicals. Since these chemicals do not pose a vapor intrusion risk, no risk
values are calculated for these chemicals.
DSCA ID No:
Name/Address of DSCA Site: Belmont Dry Cleaners / 111 South Main Street, Belmont, Gaston County, NC
Name/Address of Sampling Location: Vacant - Residential / 100 Bryant Street, Belmont, Gaston County, NC
Sampling Date: 8/11/2023
Sample ID: SG-9
All concentrations are in ug/m3
CAS #Chemical Name:
Soil Gas
Concentration
(ug/m3)
Calculated Indoor
Air Concentration
(ug/m3)
Indoor Air
Screening Level
TCR = 1E-06
Indoor Air
for Non-
Carcinogens @
Calculated
Carcinogenic Risk
Calculated Non-
Carcinogenic
Hazard Quotient
156-59-2 -3.5E+01
156-60-5 -3.5E+01
127-18-4 3420 34.2 4.7E+01 3.5E+01 7.3E-07 2.0E-01
79-01-6 5 0.05 3.0E+00 1.8E+00 1.7E-08 5.7E-03
75-01-4 2.8E+00 7.0E+01
Cumulative:7.4E-07 2.0E-01
DSCA Soil Gas Risk Calculator - Cumulative Risk for Non-Residential Worker
Version 11, July 2023
DC360008
Carcinogenic risk and hazard quotient cells highlighted in orange are associated with non-volatile chemicals. Since these chemicals do not pose a vapor intrusion risk, no risk
values are calculated for these chemicals.
DSCA ID No:
Name/Address of DSCA Site:Belmont Dry Cleaners / 111 South Main Street, Belmont, Gaston County, NC
Name/Address of Sampling Location:Right-of-Way / Belmont, Gaston County, NC
Sampling Date:10/31/2023
Sample ID:SG-10
All concentrations are in ug/m3
CAS #Chemical Name:
Soil Gas
Concentration
(ug/m3)
Calculated Indoor
Air Concentration
(ug/m3)
Indoor Air
Screening Level
for Carcinogens
@ TCR = 1E-06
Indoor Air
for Non-
Carcinogens @
THQ = 0.2
Calculated
Carcinogenic Risk
Calculated Non-
Carcinogenic
Hazard
Quotient
156-59-2 Dichloroethylene, cis-1,2--8.3E+00
156-60-5 Dichloroethylene, trans-1,2--8.3E+00
127-18-4 Tetrachloroethylene 3020 90.6 1.1E+01 8.3E+00 8.4E-06 2.2E+00
79-01-6 Trichloroethylene 4.8E-01 4.2E-01
75-01-4 Vinyl Chloride 1.7E-01 1.7E+01
Cumulative:8.4E-06 2.2E+00
DSCA Soil Gas Risk Calculator - Cumulative Risk for Resident
Version 11, July 2023
DC360008
Carcinogenic risk and hazard quotient cells highlighted in orange are associated with non-volatile chemicals. Since these chemicals do not pose a vapor intrusion risk, no risk
values are calculated for these chemicals.
DSCA ID No:
Name/Address of DSCA Site:Belmont Dry Cleaners / 111 South Main Street, Belmont, Gaston County, NC
Name/Address of Sampling Location:Right-of-Way / Belmont, Gaston County, NC
Sampling Date:10/31/2023
Sample ID:SG-10
All concentrations are in ug/m3
CAS #Chemical Name:
Soil Gas
Concentration
(ug/m3)
Calculated Indoor
Air Concentration
(ug/m3)
Indoor Air
Screening Level
TCR = 1E-06
Indoor Air
for Non-
Carcinogens @
Calculated
Carcinogenic Risk
Calculated Non-
Carcinogenic
Hazard Quotient
156-59-2 -3.5E+01
156-60-5 -3.5E+01
127-18-4 3020 30.2 4.7E+01 3.5E+01 6.4E-07 1.7E-01
79-01-6 3.0E+00 1.8E+00
75-01-4 2.8E+00 7.0E+01
Cumulative:6.4E-07 1.7E-01
DSCA Soil Gas Risk Calculator - Cumulative Risk for Non-Residential Worker
Version 11, July 2023
DC360008
Carcinogenic risk and hazard quotient cells highlighted in orange are associated with non-volatile chemicals. Since these chemicals do not pose a vapor intrusion risk, no risk
values are calculated for these chemicals.
DSCA ID No:
Name/Address of DSCA Site:Belmont Dry Cleaners / 111 South Main Street, Belmont, Gaston County, NC
Name/Address of Sampling Location:Commercial / 117 South Main Street, Belmont, Gaston County, NC
Sampling Date:10/31/2023
Sample ID:SG-11
All concentrations are in ug/m3
CAS #Chemical Name:
Soil Gas
Concentration
(ug/m3)
Calculated Indoor
Air Concentration
(ug/m3)
Indoor Air
Screening Level
for Carcinogens
@ TCR = 1E-06
Indoor Air
for Non-
Carcinogens @
THQ = 0.2
Calculated
Carcinogenic Risk
Calculated Non-
Carcinogenic
Hazard
Quotient
156-59-2 Dichloroethylene, cis-1,2--8.3E+00
156-60-5 Dichloroethylene, trans-1,2--8.3E+00
127-18-4 Tetrachloroethylene 1930 57.9 1.1E+01 8.3E+00 5.4E-06 1.4E+00
79-01-6 Trichloroethylene 4.5 0.135 4.8E-01 4.2E-01 2.8E-07 6.5E-02
75-01-4 Vinyl Chloride 1.7E-01 1.7E+01
Cumulative:5.6E-06 1.5E+00
DSCA Soil Gas Risk Calculator - Cumulative Risk for Resident
Version 11, July 2023
DC360008
Carcinogenic risk and hazard quotient cells highlighted in orange are associated with non-volatile chemicals. Since these chemicals do not pose a vapor intrusion risk, no risk
values are calculated for these chemicals.
DSCA ID No:
Name/Address of DSCA Site:Belmont Dry Cleaners / 111 South Main Street, Belmont, Gaston County, NC
Name/Address of Sampling Location:Commercial / 117 South Main Street, Belmont, Gaston County, NC
Sampling Date:10/31/2023
Sample ID:SG-11
All concentrations are in ug/m3
CAS #Chemical Name:
Soil Gas
Concentration
(ug/m3)
Calculated Indoor
Air Concentration
(ug/m3)
Indoor Air
Screening Level
TCR = 1E-06
Indoor Air
for Non-
Carcinogens @
Calculated
Carcinogenic Risk
Calculated Non-
Carcinogenic
Hazard Quotient
156-59-2 -3.5E+01
156-60-5 -3.5E+01
127-18-4 1930 19.3 4.7E+01 3.5E+01 4.1E-07 1.1E-01
79-01-6 4.5 0.045 3.0E+00 1.8E+00 1.5E-08 5.1E-03
75-01-4 2.8E+00 7.0E+01
Cumulative:4.2E-07 1.2E-01
DSCA Soil Gas Risk Calculator - Cumulative Risk for Non-Residential Worker
Version 11, July 2023
DC360008
Carcinogenic risk and hazard quotient cells highlighted in orange are associated with non-volatile chemicals. Since these chemicals do not pose a vapor intrusion risk, no risk
values are calculated for these chemicals.
DSCA ID No:
Name/Address of DSCA Site:Belmont Dry Cleaners / 111 South Main Street, Belmont, Gaston County, NC
Name/Address of Sampling Location:Belmont Dry Cleaners / 111 South Main Street, Belmont, Gaston County, NC
Sampling Date:10/31/2023
Sample ID:SG-12
All concentrations are in ug/m3
CAS #Chemical Name:
Soil Gas
Concentration
(ug/m3)
Calculated Indoor
Air Concentration
(ug/m3)
Indoor Air
Screening Level
for Carcinogens
@ TCR = 1E-06
Indoor Air
for Non-
Carcinogens @
THQ = 0.2
Calculated
Carcinogenic Risk
Calculated Non-
Carcinogenic
Hazard
Quotient
156-59-2 Dichloroethylene, cis-1,2-112 3.36 -8.3E+00 8.1E-02
156-60-5 Dichloroethylene, trans-1,2-25 0.75 -8.3E+00 1.8E-02
127-18-4 Tetrachloroethylene 160 4.8 1.1E+01 8.3E+00 4.4E-07 1.2E-01
79-01-6 Trichloroethylene 254 7.62 4.8E-01 4.2E-01 1.6E-05 3.7E+00
75-01-4 Vinyl Chloride 7.7 0.231 1.7E-01 1.7E+01 1.4E-06 2.8E-03
Cumulative:1.8E-05 3.9E+00
DSCA Soil Gas Risk Calculator - Cumulative Risk for Resident
Version 11, July 2023
DC360008
Carcinogenic risk and hazard quotient cells highlighted in orange are associated with non-volatile chemicals. Since these chemicals do not pose a vapor intrusion risk, no risk
values are calculated for these chemicals.
DSCA ID No:
Name/Address of DSCA Site:Belmont Dry Cleaners / 111 South Main Street, Belmont, Gaston County, NC
Name/Address of Sampling Location:Belmont Dry Cleaners / 111 South Main Street, Belmont, Gaston County, NC
Sampling Date:10/31/2023
Sample ID:SG-12
All concentrations are in ug/m3
CAS #Chemical Name:
Soil Gas
Concentration
(ug/m3)
Calculated Indoor
Air Concentration
(ug/m3)
Indoor Air
Screening Level
TCR = 1E-06
Indoor Air
for Non-
Carcinogens @
Calculated
Carcinogenic Risk
Calculated Non-
Carcinogenic
Hazard Quotient
156-59-2 112 1.12 -3.5E+01 6.4E-03
156-60-5 25 0.25 -3.5E+01 1.4E-03
127-18-4 160 1.6 4.7E+01 3.5E+01 3.4E-08 9.1E-03
79-01-6 254 2.54 3.0E+00 1.8E+00 8.5E-07 2.9E-01
75-01-4 7.7 0.077 2.8E+00 7.0E+01 2.8E-08 2.2E-04
Cumulative:9.1E-07 3.1E-01
DSCA Soil Gas Risk Calculator - Cumulative Risk for Non-Residential Worker
Version 11, July 2023
DC360008
Carcinogenic risk and hazard quotient cells highlighted in orange are associated with non-volatile chemicals. Since these chemicals do not pose a vapor intrusion risk, no risk
values are calculated for these chemicals.
DSCA ID No:
Name/Address of DSCA Site:Belmont Dry Cleaners / 111 South Main Street, Belmont, Gaston County, NC
Name/Address of Sampling Location:Belmont Dry Cleaners / 111 South Main Street, Belmont, Gaston County, NC
Sampling Date:10/31/2023
Sample ID:SG-13
All concentrations are in ug/m3
CAS #Chemical Name:
Soil Gas
Concentration
(ug/m3)
Calculated Indoor
Air Concentration
(ug/m3)
Indoor Air
Screening Level
for Carcinogens
@ TCR = 1E-06
Indoor Air
for Non-
Carcinogens @
THQ = 0.2
Calculated
Carcinogenic Risk
Calculated Non-
Carcinogenic
Hazard
Quotient
156-59-2 Dichloroethylene, cis-1,2--8.3E+00
156-60-5 Dichloroethylene, trans-1,2--8.3E+00
127-18-4 Tetrachloroethylene 5340 160.2 1.1E+01 8.3E+00 1.5E-05 3.8E+00
79-01-6 Trichloroethylene 4.8E-01 4.2E-01
75-01-4 Vinyl Chloride 1.7E-01 1.7E+01
Cumulative:1.5E-05 3.8E+00
DSCA Soil Gas Risk Calculator - Cumulative Risk for Resident
Version 11, July 2023
DC360008
Carcinogenic risk and hazard quotient cells highlighted in orange are associated with non-volatile chemicals. Since these chemicals do not pose a vapor intrusion risk, no risk
values are calculated for these chemicals.
DSCA ID No:
Name/Address of DSCA Site:Belmont Dry Cleaners / 111 South Main Street, Belmont, Gaston County, NC
Name/Address of Sampling Location:Belmont Dry Cleaners / 111 South Main Street, Belmont, Gaston County, NC
Sampling Date:10/31/2023
Sample ID:SG-13
All concentrations are in ug/m3
CAS #Chemical Name:
Soil Gas
Concentration
(ug/m3)
Calculated Indoor
Air Concentration
(ug/m3)
Indoor Air
Screening Level
TCR = 1E-06
Indoor Air
for Non-
Carcinogens @
Calculated
Carcinogenic Risk
Calculated Non-
Carcinogenic
Hazard Quotient
156-59-2 -3.5E+01
156-60-5 -3.5E+01
127-18-4 5340 53.4 4.7E+01 3.5E+01 1.1E-06 3.0E-01
79-01-6 3.0E+00 1.8E+00
75-01-4 2.8E+00 7.0E+01
Cumulative:1.1E-06 3.0E-01
DSCA Soil Gas Risk Calculator - Cumulative Risk for Non-Residential Worker
Version 11, July 2023
DC360008
Carcinogenic risk and hazard quotient cells highlighted in orange are associated with non-volatile chemicals. Since these chemicals do not pose a vapor intrusion risk, no risk
values are calculated for these chemicals.
DSCA ID No:
Name/Address of DSCA Site:Belmont Dry Cleaners / 111 South Main Street, Belmont, Gaston County, NC
Name/Address of Sampling Location:Vacant - Residential / 100 Bryant Street, Belmont, Gaston County, NC
Sampling Date:10/31/2023
Sample ID:SG-14
All concentrations are in ug/m3
CAS #Chemical Name:
Soil Gas
Concentration
(ug/m3)
Calculated Indoor
Air Concentration
(ug/m3)
Indoor Air
Screening Level
for Carcinogens
@ TCR = 1E-06
Indoor Air
for Non-
Carcinogens @
THQ = 0.2
Calculated
Carcinogenic Risk
Calculated Non-
Carcinogenic
Hazard
Quotient
156-59-2 Dichloroethylene, cis-1,2--8.3E+00
156-60-5 Dichloroethylene, trans-1,2--8.3E+00
127-18-4 Tetrachloroethylene 370 11.1 1.1E+01 8.3E+00 1.0E-06 2.7E-01
79-01-6 Trichloroethylene 4.8E-01 4.2E-01
75-01-4 Vinyl Chloride 1.7E-01 1.7E+01
Cumulative:1.0E-06 2.7E-01
DSCA Soil Gas Risk Calculator - Cumulative Risk for Resident
Version 11, July 2023
DC360008
Carcinogenic risk and hazard quotient cells highlighted in orange are associated with non-volatile chemicals. Since these chemicals do not pose a vapor intrusion risk, no risk
values are calculated for these chemicals.
DSCA ID No:
Name/Address of DSCA Site:Belmont Dry Cleaners / 111 South Main Street, Belmont, Gaston County, NC
Name/Address of Sampling Location:Vacant - Residential / 100 Bryant Street, Belmont, Gaston County, NC
Sampling Date:10/31/2023
Sample ID:SG-14
All concentrations are in ug/m3
CAS #Chemical Name:
Soil Gas
Concentration
(ug/m3)
Calculated Indoor
Air Concentration
(ug/m3)
Indoor Air
Screening Level
TCR = 1E-06
Indoor Air
for Non-
Carcinogens @
Calculated
Carcinogenic Risk
Calculated Non-
Carcinogenic
Hazard Quotient
156-59-2 -3.5E+01
156-60-5 -3.5E+01
127-18-4 370 3.7 4.7E+01 3.5E+01 7.8E-08 2.1E-02
79-01-6 3.0E+00 1.8E+00
75-01-4 2.8E+00 7.0E+01
Cumulative:7.8E-08 2.1E-02
DSCA Soil Gas Risk Calculator - Cumulative Risk for Non-Residential Worker
Version 11, July 2023
DC360008
Carcinogenic risk and hazard quotient cells highlighted in orange are associated with non-volatile chemicals. Since these chemicals do not pose a vapor intrusion risk, no risk
values are calculated for these chemicals.
DSCA ID No:
Name/Address of DSCA Site:Belmont Dry Cleaners / 111 South Main Street, Belmont, Gaston County, NC
Name/Address of Sampling Location:Vacant - Residential / 100 Bryant Street, Belmont, Gaston County, NC
Sampling Date:10/31/2023
Sample ID:SG-15
All concentrations are in ug/m3
CAS #Chemical Name:
Soil Gas
Concentration
(ug/m3)
Calculated Indoor
Air Concentration
(ug/m3)
Indoor Air
Screening Level
for Carcinogens
@ TCR = 1E-06
Indoor Air
for Non-
Carcinogens @
THQ = 0.2
Calculated
Carcinogenic Risk
Calculated Non-
Carcinogenic
Hazard
Quotient
156-59-2 Dichloroethylene, cis-1,2--8.3E+00
156-60-5 Dichloroethylene, trans-1,2--8.3E+00
127-18-4 Tetrachloroethylene 1050 31.5 1.1E+01 8.3E+00 2.9E-06 7.6E-01
79-01-6 Trichloroethylene 4.8E-01 4.2E-01
75-01-4 Vinyl Chloride 1.7E-01 1.7E+01
Cumulative:2.9E-06 7.6E-01
DSCA Soil Gas Risk Calculator - Cumulative Risk for Resident
Version 11, July 2023
DC360008
Carcinogenic risk and hazard quotient cells highlighted in orange are associated with non-volatile chemicals. Since these chemicals do not pose a vapor intrusion risk, no risk
values are calculated for these chemicals.
DSCA ID No:
Name/Address of DSCA Site:Belmont Dry Cleaners / 111 South Main Street, Belmont, Gaston County, NC
Name/Address of Sampling Location:Vacant - Residential / 100 Bryant Street, Belmont, Gaston County, NC
Sampling Date:10/31/2023
Sample ID:SG-15
All concentrations are in ug/m3
CAS #Chemical Name:
Soil Gas
Concentration
(ug/m3)
Calculated Indoor
Air Concentration
(ug/m3)
Indoor Air
Screening Level
TCR = 1E-06
Indoor Air
for Non-
Carcinogens @
Calculated
Carcinogenic Risk
Calculated Non-
Carcinogenic
Hazard Quotient
156-59-2 -3.5E+01
156-60-5 -3.5E+01
127-18-4 1050 10.5 4.7E+01 3.5E+01 2.2E-07 6.0E-02
79-01-6 3.0E+00 1.8E+00
75-01-4 2.8E+00 7.0E+01
Cumulative:2.2E-07 6.0E-02
DSCA Soil Gas Risk Calculator - Cumulative Risk for Non-Residential Worker
Version 11, July 2023
DC360008
Carcinogenic risk and hazard quotient cells highlighted in orange are associated with non-volatile chemicals. Since these chemicals do not pose a vapor intrusion risk, no risk
values are calculated for these chemicals.
DSCA ID No:
Name/Address of DSCA Site:Belmont Dry Cleaners / 111 South Main Street, Belmont, Gaston County, NC
Name/Address of Sampling Location:Vacant - Residential / 100 Bryant Street, Belmont, Gaston County, NC
Sampling Date:10/31/2023
Sample ID:SG-16
All concentrations are in ug/m3
CAS #Chemical Name:
Soil Gas
Concentration
(ug/m3)
Calculated Indoor
Air Concentration
(ug/m3)
Indoor Air
Screening Level
for Carcinogens
@ TCR = 1E-06
Indoor Air
for Non-
Carcinogens @
THQ = 0.2
Calculated
Carcinogenic Risk
Calculated Non-
Carcinogenic
Hazard
Quotient
156-59-2 Dichloroethylene, cis-1,2--8.3E+00
156-60-5 Dichloroethylene, trans-1,2--8.3E+00
127-18-4 Tetrachloroethylene 827 24.81 1.1E+01 8.3E+00 2.3E-06 5.9E-01
79-01-6 Trichloroethylene 4.8E-01 4.2E-01
75-01-4 Vinyl Chloride 1.7E-01 1.7E+01
Cumulative:2.3E-06 5.9E-01
DSCA Soil Gas Risk Calculator - Cumulative Risk for Resident
Version 11, July 2023
DC360008
Carcinogenic risk and hazard quotient cells highlighted in orange are associated with non-volatile chemicals. Since these chemicals do not pose a vapor intrusion risk, no risk
values are calculated for these chemicals.
DSCA ID No:
Name/Address of DSCA Site:Belmont Dry Cleaners / 111 South Main Street, Belmont, Gaston County, NC
Name/Address of Sampling Location:Vacant - Residential / 100 Bryant Street, Belmont, Gaston County, NC
Sampling Date:10/31/2023
Sample ID:SG-16
All concentrations are in ug/m3
CAS #Chemical Name:
Soil Gas
Concentration
(ug/m3)
Calculated Indoor
Air Concentration
(ug/m3)
Indoor Air
Screening Level
TCR = 1E-06
Indoor Air
for Non-
Carcinogens @
Calculated
Carcinogenic Risk
Calculated Non-
Carcinogenic
Hazard Quotient
156-59-2 -3.5E+01
156-60-5 -3.5E+01
127-18-4 827 8.27 4.7E+01 3.5E+01 1.8E-07 4.7E-02
79-01-6 3.0E+00 1.8E+00
75-01-4 2.8E+00 7.0E+01
Cumulative:1.8E-07 4.7E-02
DSCA Soil Gas Risk Calculator - Cumulative Risk for Non-Residential Worker
Version 11, July 2023
DC360008
Carcinogenic risk and hazard quotient cells highlighted in orange are associated with non-volatile chemicals. Since these chemicals do not pose a vapor intrusion risk, no risk
values are calculated for these chemicals.
DSCA ID No:
Name/Address of DSCA Site:Belmont Dry Cleaners / 111 South Main Street, Belmont, Gaston County, NC
Name/Address of Sampling Location:Commercial / 117 South Main Street, Belmont, Gaston County, NC
Sampling Date:4/10/2024
Sample ID:SG-17
All concentrations are in ug/m3
CAS #Chemical Name:
Soil Gas
Concentration
(ug/m3)
Calculated Indoor
Air Concentration
(ug/m3)
Indoor Air
Screening Level
for Carcinogens
@ TCR = 1E-06
Indoor Air
for Non-
Carcinogens @
THQ = 0.2
Calculated
Carcinogenic Risk
Calculated Non-
Carcinogenic
Hazard
Quotient
156-59-2 Dichloroethylene, cis-1,2--8.3E+00
156-60-5 Dichloroethylene, trans-1,2--8.3E+00
127-18-4 Tetrachloroethylene 78.7 2.361 1.1E+01 8.3E+00 2.2E-07 5.7E-02
79-01-6 Trichloroethylene 4.8E-01 4.2E-01
75-01-4 Vinyl Chloride 1.7E-01 1.7E+01
Cumulative:2.2E-07 5.7E-02
DSCA Soil Gas Risk Calculator - Cumulative Risk for Resident
Version 11, July 2023
DC360008
Carcinogenic risk and hazard quotient cells highlighted in orange are associated with non-volatile chemicals. Since these chemicals do not pose a vapor intrusion risk, no risk
values are calculated for these chemicals.
DSCA ID No:
Name/Address of DSCA Site:Belmont Dry Cleaners / 111 South Main Street, Belmont, Gaston County, NC
Name/Address of Sampling Location:Commercial / 117 South Main Street, Belmont, Gaston County, NC
Sampling Date:4/10/2024
Sample ID:SG-17
All concentrations are in ug/m3
CAS #Chemical Name:
Soil Gas
Concentration
(ug/m3)
Calculated Indoor
Air Concentration
(ug/m3)
Indoor Air
Screening Level
TCR = 1E-06
Indoor Air
for Non-
Carcinogens @
Calculated
Carcinogenic Risk
Calculated Non-
Carcinogenic
Hazard Quotient
156-59-2 -3.5E+01
156-60-5 -3.5E+01
127-18-4 78.7 0.787 4.7E+01 3.5E+01 1.7E-08 4.5E-03
79-01-6 3.0E+00 1.8E+00
75-01-4 2.8E+00 7.0E+01
Cumulative:1.7E-08 4.5E-03
DSCA Soil Gas Risk Calculator - Cumulative Risk for Non-Residential Worker
Version 11, July 2023
DC360008
Carcinogenic risk and hazard quotient cells highlighted in orange are associated with non-volatile chemicals. Since these chemicals do not pose a vapor intrusion risk, no risk
values are calculated for these chemicals.
DSCA ID No:
Name/Address of DSCA Site:Belmont Dry Cleaners / 111 South Main Street, Belmont, Gaston County, NC
Name/Address of Sampling Location:Residential / 116 Bryant Street, Belmont, Gaston County, NC
Sampling Date:4/10/2024
Sample ID:SG-18
All concentrations are in ug/m3
CAS #Chemical Name:
Soil Gas
Concentration
(ug/m3)
Calculated Indoor
Air Concentration
(ug/m3)
Indoor Air
Screening Level
for Carcinogens
@ TCR = 1E-06
Indoor Air
for Non-
Carcinogens @
THQ = 0.2
Calculated
Carcinogenic Risk
Calculated Non-
Carcinogenic
Hazard
Quotient
156-59-2 Dichloroethylene, cis-1,2--8.3E+00
156-60-5 Dichloroethylene, trans-1,2--8.3E+00
127-18-4 Tetrachloroethylene 425 12.75 1.1E+01 8.3E+00 1.2E-06 3.1E-01
79-01-6 Trichloroethylene 4.8E-01 4.2E-01
75-01-4 Vinyl Chloride 1.7E-01 1.7E+01
Cumulative:1.2E-06 3.1E-01
DSCA Soil Gas Risk Calculator - Cumulative Risk for Resident
Version 11, July 2023
DC360008
Carcinogenic risk and hazard quotient cells highlighted in orange are associated with non-volatile chemicals. Since these chemicals do not pose a vapor intrusion risk, no risk
values are calculated for these chemicals.
DSCA ID No:
Name/Address of DSCA Site:Belmont Dry Cleaners / 111 South Main Street, Belmont, Gaston County, NC
Name/Address of Sampling Location:Residential / 116 Bryant Street, Belmont, Gaston County, NC
Sampling Date:4/10/2024
Sample ID:SG-18
All concentrations are in ug/m3
CAS #Chemical Name:
Soil Gas
Concentration
(ug/m3)
Calculated Indoor
Air Concentration
(ug/m3)
Indoor Air
Screening Level
TCR = 1E-06
Indoor Air
for Non-
Carcinogens @
Calculated
Carcinogenic Risk
Calculated Non-
Carcinogenic
Hazard Quotient
156-59-2 -3.5E+01
156-60-5 -3.5E+01
127-18-4 425 4.25 4.7E+01 3.5E+01 9.0E-08 2.4E-02
79-01-6 3.0E+00 1.8E+00
75-01-4 2.8E+00 7.0E+01
Cumulative:9.0E-08 2.4E-02
DSCA Soil Gas Risk Calculator - Cumulative Risk for Non-Residential Worker
Version 11, July 2023
DC360008
Carcinogenic risk and hazard quotient cells highlighted in orange are associated with non-volatile chemicals. Since these chemicals do not pose a vapor intrusion risk, no risk
values are calculated for these chemicals.
DSCA ID No:
Name/Address of DSCA Site:Belmont Dry Cleaners / 111 South Main Street, Belmont, Gaston County, NC
Name/Address of Sampling Location:Residential / 116 Bryant Street, Belmont, Gaston County, NC
Sampling Date:4/10/2024
Sample ID:SG-19
All concentrations are in ug/m3
CAS #Chemical Name:
Soil Gas
Concentration
(ug/m3)
Calculated Indoor
Air Concentration
(ug/m3)
Indoor Air
Screening Level
for Carcinogens
@ TCR = 1E-06
Indoor Air
for Non-
Carcinogens @
THQ = 0.2
Calculated
Carcinogenic Risk
Calculated Non-
Carcinogenic
Hazard
Quotient
156-59-2 Dichloroethylene, cis-1,2--8.3E+00
156-60-5 Dichloroethylene, trans-1,2--8.3E+00
127-18-4 Tetrachloroethylene 32 0.96 1.1E+01 8.3E+00 8.9E-08 2.3E-02
79-01-6 Trichloroethylene 4.8E-01 4.2E-01
75-01-4 Vinyl Chloride 1.7E-01 1.7E+01
Cumulative:8.9E-08 2.3E-02
DSCA Soil Gas Risk Calculator - Cumulative Risk for Resident
Version 11, July 2023
DC360008
Carcinogenic risk and hazard quotient cells highlighted in orange are associated with non-volatile chemicals. Since these chemicals do not pose a vapor intrusion risk, no risk
values are calculated for these chemicals.
DSCA ID No:
Name/Address of DSCA Site:Belmont Dry Cleaners / 111 South Main Street, Belmont, Gaston County, NC
Name/Address of Sampling Location:Residential / 116 Bryant Street, Belmont, Gaston County, NC
Sampling Date:4/10/2024
Sample ID:SG-19
All concentrations are in ug/m3
CAS #Chemical Name:
Soil Gas
Concentration
(ug/m3)
Calculated Indoor
Air Concentration
(ug/m3)
Indoor Air
Screening Level
TCR = 1E-06
Indoor Air
for Non-
Carcinogens @
Calculated
Carcinogenic Risk
Calculated Non-
Carcinogenic
Hazard Quotient
156-59-2 -3.5E+01
156-60-5 -3.5E+01
127-18-4 32 0.32 4.7E+01 3.5E+01 6.8E-09 1.8E-03
79-01-6 3.0E+00 1.8E+00
75-01-4 2.8E+00 7.0E+01
Cumulative:6.8E-09 1.8E-03
DSCA Soil Gas Risk Calculator - Cumulative Risk for Non-Residential Worker
Version 11, July 2023
DC360008
Carcinogenic risk and hazard quotient cells highlighted in orange are associated with non-volatile chemicals. Since these chemicals do not pose a vapor intrusion risk, no risk
values are calculated for these chemicals.
DSCA ID No:
Name/Address of DSCA Site:Belmont Dry Cleaners / 111 South Main Street, Belmont, Gaston County, NC
Name/Address of Sampling Location:Vacant - Commercial / PIN ID 3594182786, Belmont, Gaston County, NC
Sampling Date:4/10/2024
Sample ID:SG-20
All concentrations are in ug/m3
CAS #Chemical Name:
Soil Gas
Concentration
(ug/m3)
Calculated Indoor
Air Concentration
(ug/m3)
Indoor Air
Screening Level
for Carcinogens
@ TCR = 1E-06
Indoor Air
for Non-
Carcinogens @
THQ = 0.2
Calculated
Carcinogenic Risk
Calculated Non-
Carcinogenic
Hazard
Quotient
156-59-2 Dichloroethylene, cis-1,2--8.3E+00
156-60-5 Dichloroethylene, trans-1,2--8.3E+00
127-18-4 Tetrachloroethylene 8.1 0.243 1.1E+01 8.3E+00 2.3E-08 5.8E-03
79-01-6 Trichloroethylene 4.8E-01 4.2E-01
75-01-4 Vinyl Chloride 1.7E-01 1.7E+01
Cumulative:2.3E-08 5.8E-03
DSCA Soil Gas Risk Calculator - Cumulative Risk for Resident
Version 11, July 2023
DC360008
Carcinogenic risk and hazard quotient cells highlighted in orange are associated with non-volatile chemicals. Since these chemicals do not pose a vapor intrusion risk, no risk
values are calculated for these chemicals.
DSCA ID No:
Name/Address of DSCA Site:Belmont Dry Cleaners / 111 South Main Street, Belmont, Gaston County, NC
Name/Address of Sampling Location:Vacant - Commercial / PIN ID 3594182786, Belmont, Gaston County, NC
Sampling Date:4/10/2024
Sample ID:SG-20
All concentrations are in ug/m3
CAS #Chemical Name:
Soil Gas
Concentration
(ug/m3)
Calculated Indoor
Air Concentration
(ug/m3)
Indoor Air
Screening Level
TCR = 1E-06
Indoor Air
for Non-
Carcinogens @
Calculated
Carcinogenic Risk
Calculated Non-
Carcinogenic
Hazard Quotient
156-59-2 -3.5E+01
156-60-5 -3.5E+01
127-18-4 8.1 0.081 4.7E+01 3.5E+01 1.7E-09 4.6E-04
79-01-6 3.0E+00 1.8E+00
75-01-4 2.8E+00 7.0E+01
Cumulative:1.7E-09 4.6E-04
DSCA Soil Gas Risk Calculator - Cumulative Risk for Non-Residential Worker
Version 11, July 2023
DC360008
Carcinogenic risk and hazard quotient cells highlighted in orange are associated with non-volatile chemicals. Since these chemicals do not pose a vapor intrusion risk, no risk
values are calculated for these chemicals.
APPENDIX F
BORING LOG
Drilling Method: Hand Auger Monitoring Well Installed:No
Sample Type(s): Grab Boring Diameter:2"Screened Interval:NA
Depth of Boring:5'
Water Level:NA
De
p
t
h

(
f
t
)
5
10
15
20
Date
NOTES:
Checked by: Madalyn Stone Date: 07/08/2024
Time Depth to groundwater while drilling
Client/Site:NCDEQ DSCA Program - Belmont Dry Cleaners (DC360008)
Project Number:60709305
Site Location:Charlotte, NC
Coordinates:NA Elevation: NA
Logged By:ELWeather: NA
0 - 1'0.0
0.0
0.0
0.0
0.04 - 5'
ML
Topsoil, grass
light brown sandy SILT, slightly moist, saprolitic
Ground Elevation: NADrilling Contractor: AECOM
Date:08/11/2023
Time:1408
Sa
m
p
l
e

D
e
p
t
h

(
f
t
)
He
a
d
s
p
a
c
e

(
p
p
m
)
U.
S
.
C
.
S
MATERIALS: Color, size, range, MAIN COMPONENT, minor
component(s), moisture content, structure, angularity, maximum grain size,
odor, and Geologic Unit (If Known)
Well Construction
Boring ID: SB-17