21047_High Point MS_VIMR_20210426

INDOOR AIR AND SUB -SLAB SOIL GAS CONFIRMATION
SAMPLING REPORT
HIGH POINT MULTI STADIUM
HIGH POINT, GUILFORD COUNTY, NORTH CAROLINA
BROWNFIELDS PROJECT NO. 21047-17-041
ECS SOUTHEAST, LLP
PROJECT 49:5318-E
PREPARED FOR:
CITY OF HIGH POINT
APRIL 26, 2021

ECS SOUTHEAST, LLP `!Setting the Standard for Service"
Geotechnical • Construction Materials • Environmental • Facilities NC Registered Engineering Firm F-1076
NC Registered Geolagists Firm C-553
SC Registered Engineering Firm 3239
March 15, 2021
Mr. Randy McCaslin
City of High Point
211 South Hamilton Street
High Point, North Carolina 27260
Reference: Indoor Air and Sub -Slab Soil Gas Confirmation Sampling Report
High Point Multi Stadium
Gatewood Avenue and Church Street
High Point, Guilford County, North Carolina
Brownfields Project No. 21047-17-041
ECS Project No. 49-5318-E
Dear Mr. McCaslin:
ECS Southeast, LLP (ECS) has completed the Indoor Air and Sub -Slab Soil Gas Confirmation
Sampling Report for the above referenced site. This report has been completed at the request of
the North Carolina Department of Environmental Quality (NCDEQ) Division of Waste Management
(NCDWM) — North Carolina Brownfields Program (NCBP).
ECS appreciates the opportunity to provide our environmental consulting services to you on this
project. If you have any questions concerning this work plan or this project, please contact us.
Sincerely,
ECS SOUTHEAST, LLP
G
Ran H. Cavallier
Assi tant Staff Project Manager
336-856-7150
rcavallier(cD-ecslimited.com
P1*v--
.Joseph P, Nestor, P.G.
Environmental Principal
704-280-7422
0nestor ecslimited.com
a AS ewart, REM
Senior Environmental Project Manager
336-856-7150
tstewa rt(a)ecs I i m ited . co m
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ECS Capitol Services, PLLC • ECS Florida, LLC • ECS Mid -Atlantic, LLC • ECS Midwest, LLC • ECS Southeast, LLP • ECS Southwest, LLP
www.ecslimited.com

High Point Multi Stadium - Indoor Air and Soil Gas Confirmation Sampling Report
High Point, Guilford County, North Carolina
Brownfields Project Number 21047-17-041
ECS Project No. 49-5318-E
April 26, 2021
TABLE OF CONTENTS
1.0 INTRODUCTION............................................................................................................... 1
2.0 SCOPE OF WORK........................................................................................................... 2
3.0 LABORATORY ANALYSES.............................................................................................. 4
4.0 CONCLUSIONS............................................................................................................... 5
5.0 RECOMENDATIONS........................................................................................................ 5
6.0 QA/QC.............................................................................................................................. 6
7.0 QUALIFICATIONS OF REPORT...................................................................................... 6
Clf_`I loco
TABLES
Figure 1 — Site Location Map
Figure 2 — Site Map
Figure 3 — Service Level Indoor Air Sampling Location Map
Figure 4 — Concourse Level Indoor Air Sampling Location Map
Figure 5 — Ticketing Building Sampling Location Map
Figure 6 — Service Level Soil Gas Sampling Location Map
Figure 7 — Concourse Level Soil Gas Sampling Location Map
Table 1 — Summary of Monthly Pressure Readings
Table 2 — Summary of Indoor Air Analytical Results
Table 3 — Summary if Sub -Slab Soil Gas Analytical Results
APPENDICIES
Appendix A —
Brownfields December 2020 Letter
Appendix B —
Site Photographs
Appendix C —
Laboratory Data Sheets and Chain -of -Custody Records
Appendix D —
Field Notes, Indoor Air, and Soil Gas Sampling Forms
Appendix E —
Risk -Calculator Data Output Sheets

High Point Multi Stadium - Indoor Air and Soil Gas Confirmation Sampling Report
High Point, Guilford County, North Carolina
Brownfields Project Number 21047-17-041
ECS Project No. 49-5318-E
April 26, 2021
1.0 INTRODUCTION
On October 17, 2017, the North Carolina Department of Environmental Quality (NCDEQ)
determined that the High Point Multi Stadium project (Site) was eligible for entry into the North
Carolina Brownfields Program (NCBP). The Site is located in downtown High Point, Guilford
County and is generally enclosed by Gatewood Avenue to the north, Lindsay Street to the west,
English Street to the south, and Elm Street to the east. The Site is comprised of a number of
parcels (some of which have been combined to facilitate development). The northern approximate
half of the Site has been developed with a multi -use baseball stadium and includes approximately
6 acres. Figure 1 and Figure 2 are a site location map and site map, respectively.
ECS performed a Phase I Environmental Site Assessment (ESA) of the former High Point
Enterprise in February 2016. ECS identified the past use of the property as a printing
company and paint factory as a recognized environmental condition (REC). ECS conducted
a Phase II Environmental Site Assessment Report of the High Point Enterprise property in
July 2016 and of the northern portion of the Brownfields site (baseball stadium area).
Analysis of groundwater samples collected in the footprint of the baseball stadium detected
trichloroethene (TCE) at concentrations above the both the North Carolina Division of Waste
Management's residential and industrial/commercial Vapor Intrusion Screening Levels
(VISLs).
Based on these results, the Brownfields Group required that an active vapor mitigation system
(VMS) for the multi -use baseball stadium and a passive VMS for the Church Avenue ticket booth
be installed and maintained.
The active VMS was installed and included a combination of a 20-mil vapor barrier and an active
sub -slab depressurization system (SSDS) embedded in a gas permeable aggregate layer. The
ground floor of the stadium was built using slab -on -grade construction techniques. The vapor
barrier for this VMS was installed above a minimum 8-inch gas permeable aggregate layer and
immediately below the slab of occupied/enclosed spaces. The active SSDS was installed and is
comprised of a GeoVent low -profile venting system, PVC header pipe, and PVC vent riser pipes.
A portion of the building includes waterproofing material installed on basement walls as part of
this system.
The passive VMS was installed at the Church Avenue Ticket Building in December 2018. The
occupied portions of the ticket building were built using slab -on -grade construction techniques.
This VMS includes a 20-mil vapor barrier and a passive sub -slab ventilation system embedded in
a gas permeable aggregate layer. The vapor barrier was installed above a minimum 8-inch gas
permeable aggregate layer and immediately below the slab of the occupied/enclosed spaces.
The passive system is comprised of a GeoVent® low -profile venting system, PVC header pipe,
and PVC vent riser pipes.
An indoor air and sub -slab soil gas sampling event was previously conducted in April of 2019.
The results of the previous sampling event are included in two separate reports both dated June
11, 2019 and titled Indoor Air and Sub -Slab Soil Gas Sampling Report. One of these reports was
for the stadium and the other was for the ticket building.

High Point Multi Stadium - Indoor Air and Soil Gas Confirmation Sampling Report
High Point, Guilford County, North Carolina
Brownfields Project Number 21047-17-041
ECS Project No. 49-5318-E
April 26, 2021
A second sampling event was conducted in July 2019 which included the collection of indoor air
samples from each of the 23 locations sampled in April 2019 (Figures 3, 4, and 5) and the
collection of sub -slab soil gas samples from monitoring points MP-5, MP-10, MP-1 1, MP-12, MP-
14, MP-16, and MP-19/23 (Figures 5, 6, and 7).
The following target analytes were detected at concentrations above the NCDEQ residential and
non-residential VISLs in the samples indicated below:
SAMPLE ID
TARGET ANALYTES EXCEEDING RESIDENTIAL AND NON-RESIDENTIAL VISLS
A-15
Naphthalene
A-22
Naphthalene
A-23
Ethylbenzene, m,p-xylenes
A-2
Benzene
A-5
Benzene
DUP
Benzene
Duplicate sample (DUP) was collected as a duplicate of Indoor Air sample A-2. TCE was not
detected at concentrations exceeding non-residential VISLs for samples collected during the July
2019 indoor air sampling event. Various compounds were detected in the indoor air samples
collected at concentrations above the laboratory reporting limits and their respective residential
VISLs.
On December 4, 2020, the NCBP issued a letter requesting additional vapor mitigation monitoring
sampling be completed at the site. A copy of this letter is included in Appendix A. This report
describes indoor air and soil gas sampling performed in February 2021 in areas of the stadium
and Church Street ticket building requested by the NCBP.
2.0 SCOPE OF WORK
Between February 8 and February 10, 2021 ECS collected ten (10) indoor air and nine (9) sub -
slab soil gas samples inside the main stadium structure where the active vapor mitigation system
(VMS) was installed, and one (1) indoor air and one (1) sub -slab soil gas sample were collected
inside the ticket building where the passive VMS was installed. Samples were collected in the
main stadium building on the Service Level and on the Concourse Level. One (1) ambient air
sample was also collected outside the indoor portions of the stadium.
Indoor air and sub -slab soil gas sampling were conducted to confirm that vapor intrusion (VI)
concerns do not exist in the buildings for the primary chemical of concern (COC), TCE. The indoor
air and sub -slab soil gas sampling were conducted in general accordance with the North Carolina
Division of Waste Management's (NCDWM) Vapor Intrusion Guidance document (March 2018,
Version 2).
2.1 Indoor Air SamDlin
In order for the buildings to remain closed and to minimize disturbance of the canisters, ECS
collected the samples during the evening when there was minimal activity. The heating,
2

High Point Multi Stadium - Indoor Air and Soil Gas Confirmation Sampling Report
High Point, Guilford County, North Carolina
Brownfields Project Number 21047-17-041
ECS Project No. 49-5318-E
April 26, 2021
ventilation, and air conditioning (HVAC) was operating in its normal mode when samples were
collected.
On February 8 through February 9, 2021, seven (7) indoor air samples (A-1, A-2, A-4, A-5, A-7,
A-10, and A-15) were collected on the Service Level, three (3) indoor air samples (A-1 7, A-19,
and A-22) were collected on the Concourse Level of the stadium, and one (1) indoor air sample
(A-23) was collected in the ticket building. The sample locations were selected based on the
December NCBP letter. Prior to collection of the air samples, the sub -slab monitoring points were
closed for a minimum of 48-hours. Figures 3, 4, and 5 show indoor air sample locations.
The samples were collected using individually certified 6-liter (L) Summa canisters equipped with
8-hour flow restrictors. The samples were collected by placing each Summa canister at a height
of approximately 5 feet above the floor during sampling. Photographs are included in Appendix
B. The sample containers were labeled, placed into protective packaging material and shipped to
Con -Test Analytical Laboratory (Con -Test) in East Longmeadow, Massachusetts to be analyzed
by EPA Method TO-1 5. ECS maintained proper chain -of -custody (COC) procedures throughout
the sample collection and transportation process. A copy of the COCs is included in Appendix
C. ECS collected two duplicate indoor air samples for laboratory analysis by EPA Method TO-
15. Sample Dup was a duplicate of indoor air sample A-2 and sample Dup-2 was a duplicate of
indoor air sample A-23. Concurrent with the indoor air sampling, one exterior (ambient) air sample
(AA-1) was collected for laboratory analysis by EPA Method TO-1 5. Indoor air sampling forms are
included in Appendix D.
2.2 Sub -Slab Soil Gas Sampling
On February 9 and February 10, 2021, ECS collected ten (10) sub -slab soil gas samples from
permanent sub -slab monitoring points (MP-3, MP-5, M7-7, MP-9, MP-10, MP-1 1, MP-12, MP-14,
MP-15, and MP-19). As shown in Figures 5, 6, and 7 six (6) sub -slab soil gas samples were
collected on the Service Level, three (3) sub -slab soil gas samples were collected on the
Concourse Level, and one (1) sub -slab soil gas sample was collected from the ticket booth.
Prior to collecting the soil gas samples, commercial grade helium gas was used as a quality
assurance/control measure to confirm the integrity of the probe seal. A plastic container (with an
approximate volume of 18 quarts) used as a shroud was placed and sealed over the sampling
point and sampling train. The probe point tubing and tracer gas tubing was placed through the
container wall via rubber grommets and a shroud was placed over the sample point and sample
train leading to the purge valves and sample port. The container was flooded with helium via the
hose placed through the container wall. A Model MGD-2002 Multi -Gas Leak detector was
connected to the probe tubing and at least 3 volumes were purged. The calculated volume
included the sample train as well as the plumbing of the monitoring point plumbing. Three samples
(intervals) were collected from the sample train into a tedlar bag using a syringe. Helium readings
from each interval were collected, recorded in field notes and soil gas sampling forms, and
included as part of this report (Appendix D). A helium concentration of less than ten percent
(10%) of the concentration inside the shroud was considered acceptable. If concentrations greater
than this 10% criteria were measured, the probe tube seal was reseated and the leak detection
process was repeated. Photographs of the helium leak test set-up are included in Appendix B.
3

High Point Multi Stadium - Indoor Air and Soil Gas Confirmation Sampling Report
High Point, Guilford County, North Carolina
Brownfields Project Number 21047-17-041
ECS Project No. 49-5318-E
April 26, 2021
Following the helium leak test, sub -slab soil gas samples were collected using 1.0-liter Summa
canisters at an approximate flow rate of 0.2 L/minute over a 5-minute period.
2.3 Sub -Slab Depressurization Readings
Prior to collecting each sub -slab soil gas sample, sub -slab vacuum readings were measured for
all sub -slab pressure reading locations (MP-1 through MP-19/MP-23) in both buildings with the
vapor mitigation system (VMS) fans operating. The readings were measured using an Extech
Model 407910 digital manometer.
Between September 2019 and July 2020, ECS personnel collected monthly sub -slab vacuum
readings to verify that the VMS system was working properly. The monthly readings are
summarized in Table 1. The monthly vacuum readings 1 shows that the pressure differential
beneath the slab ranges from 135.46 Pa to 812.73 pascals (Pa) and exceeds the 4 Pa criteria
found in the NCDEQ vapor intrusion guidance document.
3.0 LABORATORY ANALYSES
A summary of the laboratory analytical data for indoor air samples is shown on Table 2. This table
shows data for both the July 16, 2020 and February 9, 2021 sampling events. Target analytes
were not detected above the 2021 NCDEQ Non -Residential VISLs during the February 9, 2021
sampling event. The following target analytes were detected at concentrations above the NCDEQ
Residential VISLs in the samples indicated below:
SAMPLE ID
TARGET ANALYTES EXCEEDING RESIDENTIAL VISLs
A-1
Benzene
A-2
Benzene
A-4
Benzene, TCE
A-5
Benzene, Naphthalene
A-7
Benzene, Naphthalene, TCE
A-10
Benzene
A-15
Benzene
A-17
Benzene, TCE
A-19
Benzene, TCE
A-23
Benzene
A-10
Benzene
A-15
Benzene
A-22
Benzene
A-23
Benzene
TCE was not detected at concentrations exceeding non-residential VISLs for samples collected
during the February 2021 indoor air sampling event. Various compounds were detected in the
rd

High Point Multi Stadium - Indoor Air and Soil Gas Confirmation Sampling Report
High Point, Guilford County, North Carolina
Brownfields Project Number 21047-17-041
ECS Project No. 49-5318-E
April 26, 2021
indoor air samples collected at concentrations above the laboratory reporting limits and their
respective residential VISLs.
A summary of the laboratory analytical data for sub -slab soil gas samples is shown on Table 3.
Constituents were not detected in the sub -slab soil gas samples at levels in excess of their
Residential or Non -Residential VISLs.
The laboratory analytical report is included as Appendix C.
4.0 CONCLUSIONS
Based on the laboratory analytical data, petroleum -related VOCs were detected in the indoor air
of the stadium and ticket building above their respective Residential VISLs. VOCs were not
detected in the indoor air of the stadium and ticket building samples above their respective Non -
Residential VISLs. The concentrations of detected VOCs generally decreased compared to the
July 2019 sampling event.
TCE was detected in four (4) indoor air samples (A-4, A-7, A-17, and A-19) above its Residential
VISL, but below its Non -Residential VISL.
VOCs were not detected in the sub -slab soil gas samples at levels exceeding their respective
VISLs.
The absence of VOCs at concentrations above VISLs in the sub -slab soil gas samples suggest
that the exceedances of VOCs in indoor air samples may be the result of a source or sources
other than vapor intrusion of soil gas.
ECS input the laboratory data for the indoor air samples which had VISL exceedances into the
NCDEQ Risk Calculator (January 2021 Version). Based on the results of the risk -calculators for
the samples collected, no risk exceedances for Residents or Non -Residential Workers are
indicated. The data output sheets of the risk -calculators for each sample are included as
Appendix E.
Based on the monthly vacuum readings, adequate sub -slab depressurization is demonstrated
across the areas of concern to account for seasonal variation and associated building temperature
and pressure changes. The VMS system currently operates 24 hours a day, 7 days a week. ECS
has not been notified by stadium personnel of down time of the VMS system.
Based upon the monthly vacuum readings, comparison of detected analytes to VISLs, the general
decreasing trend for VOCs in indoor air, and review of the results of the NCDEQ risk calculator,
ECS concludes that the active and passive VMS are performing as designed and intended.
5.0 RECOMENDATIONS
It is recommended that the active VMS continue to operate and both the active and passive VMS
be maintained. ECS recommends quarterly collection of vacuum readings from the sub -slab
monitoring points. ECS recommends that the City of High Point notify the NCBP in advance
5

High Point Multi Stadium - Indoor Air and Soil Gas Confirmation Sampling Report
High Point, Guilford County, North Carolina
Brownfields Project Number 21047-17-041
ECS Project No. 49-5318-E
April 26, 2021
should slab penetrations in the stadium or ticket buildings become necessary for utility
maintenance/repair or for renovation projects.
6.0 QA/QC
The Summa canisters were batch certified for the soil gas samples and individually certified for
indoor air samples. Helium concentrations did not exceed five percent (5%) helium above the
shroud concentrations during leak tests for sub -slab samples. During the sampling of sub slab
soil gas, the sample train was closed when the canister vacuum decreased to approximately 4 to
5 inches of mercury (in-Hg). ECS documented the vacuum readings indicated on each canister
at initiation and termination of sampling. These reading are included in the field notes included as
Appendix D.
7.0 QUALIFICATIONS OF REPORT
The activities and evaluative approaches used in this assessment are consistent with those
normally employed in environmental assessment projects of this type. Our evaluation of site
conditions has been based on our understanding of the site project information and the data
obtained during our field activities. Environmental sampling performed and reported herein only
provides for specific data points scattered throughout the project area in accordance with the prior
approved scope of work and work authorization.
C1

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BROWNFIELDS PROJECT # 21047-17-041
ECS PROJECT NO. 49-5318-E
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LEDA-4
ti I,717 F-LUN9I I + AK
■ _
NGE OPENI I �F.RM. I 4E CORFUQOR r iifi I LOAQIN{i P- 0 f0E
.r. s x QOCIS
# 119 l 1E4- KEP ----= UN-6EX I 1�9 If 1�6 ATC4"E: FIEL
- riif +a'r A. _I — I R .. ,# iQ9C #TAPE' C48HIoPl _
— — - - iR3Q NAJNTEN�(y.3 HEYI �'{
_ _ _ . �.
u NTEN.NNCE I.T_ �A _ RE3TR4
J PER#ONE , �E 1,9� 1 Ql U I ELEYM P 9— IL 3HOVIIER
— — _ • - _ — — r RAMI _
'- i i t'r.rs rr
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y J --ft R '_ � I m,FE 8M P 7,A q 76 * C IQOR y
E tr
7 �"L � AK- 11 � � �i.
4 MP-5
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� io3c
L 127 c T{ LET OROU
FFUR
xF'►- 16T ` _ I I - C�J5CHE& TRAINER L Ri M P 17 � � .w
- p ' -0HlarfElt 11�G #TCR*�1REATM T
T b'IN 3.8.TTIN4 I Y I I 1Q=_ 159
HAH a I EFft3 i 11- I TUN} L� 11LETd 1liii 'i}f'aics+
? M P 3} 2AIN R# � r.�.
12 "` ! - I ` 1 N � f
11
rl co OHE3 M P 11$6
IL f
+rt RM I I I Quo OW I
1VP.CH _ ! 11S
FICE - �i rrfr I I sa I I ■ fl
27J o _P
ull
7 G
kk �
k EllI
k 9ATI�0��
�H a OuU
Qua
• �' � I� I� I I I � I � I I I
� T I
SOURCE: FIGURE 6 — SERVICE LEVEL
ASOIL GAS SAMPLING LOCATIONS (2/10/21) SOIL GAS SAMPLING LOCATION MAP

p6m=�
Jw a ars
I
s I I ti
jr I I I I I I I
I
` k _ au
nIT I I I I I I °116
MP-12'
I I I I I I I I
r �■■T , I �I I I I I I
R MP-1 l■T
''"" I
mw
I I
` 4
INf+ 7A-M 4 ti ti
�I � I I a
MP-14 T r - - - - -I t
I I
I
II■ Lr•d� •1
Lm
■.� I I I I I I I I I�
MI
iLr
ac:z
I 0 Ell Ell
, I I k I I I I I I
our L.""-
• �_ I I I I ti I I I I I I
MP-15, MEDIA I I I I I I I I I
I�'
.OL O M
it rr it ��� , I SOURCE: FIGURE 7 -CONCOURSE LEVEL
� SOIL GAS SAMPLING LOCATION MAP
�' OVERALL PLAN - CONCOURSE
LEVEL, BY ODELL, 4/23/18 HIGH POINT MULTI STADIUM
HIGH POINT, GUILFORD COUNTY, NC
SHEET IDENTIFIER AE102 BROWNFIELDS PROJECT # 21047-17-041
A SOIL GAS SAMPLING LOCATIONS (2/10/21)
- - - - - - - - - TM ECS PROJECT NO. 49-5318E

TABLES

TABLE 1: SUMMARY OF MONTHLY PRESSURE READINGS
High Point
High Point Multi Stadium
High Point, Guilford County, North Carolina
ECS Project No. 49:5318-E
DATE:
Tuesday, July 16, 2019
Thursday, September 19, 2019
Wednesday, October 30, 2019
Friday, December 20, 2019
Wednesday, February 19, 2020
Thursday, March 26, 2020
Thursday, April 30, 2020
Thursday, May 28, 2020
Monday, June 29, 2020
Friday, July 31, 2020
2/9/2021
MP #
LOCATON
READING in/H
READING Pa
READING in/H
READING Pa
READING in/H
READING Pa
READING in/H
READING Pa
READING in/H
READING Pa
READING in/H
READING Pa
READING in/H
READING Pa
READING in/H
READING Pa
READING in/H
READING Pa
READING In/H
READING Pa
READING In/H
READING Pa
1
LAUNDRY
-0.08
-270.91
-0.14
-474.09
-0.12
-406.37
-0.06
-203.18
-0.04
-135.46
-0.08
-270.91
-0.06
-203.18
-0.12
-406.37
-0.10
-338.64
-0.10
-338.64
-0.10
-338.64
JANITOR
2
CLOSET
-0.04
-135.46
-0.14
-474.09
-0.12
-406.37
-0.12
-406.37
-0.04
-135.46
-0.10
-338.64
-0.10
-338.64
-0.10
-338.64
-0.12
-406.37
-0.12
-406.37
-0.12
-406.37
COACHES
3
OFFICES
-0.12
-406.37
-0.12
-406.37
-0.12
-406.37
-0.08
-270.91
-0.04
-135.46
-0.10
-338.64
-0.08
-270.91
-0.14
-474.09
-0.14
-474.09
-0.14
-474.09
-0.14
-474.09
HALLWAY
4
PLAYERS
-0.06
-203.18
-0.08
-270.91
-0.10
-338.64
-0.08
-270.91
-0.08
-270.91
-0.06
-203.18
-0.08
-270.91
-0.12
-406.37
-0.10
-338.64
-0.14
-474.09
-0.12
-406.37
ENTRANCE
MAIN OFFICE
5
CLOSET
-0 08
-270.91
-0.14
-474.09
-0.14
-474.09
-0.16
-541.82
-0.06
-203.18
-0.06
-203.18
-0.08
-270.91
-0.14
-474.09
-0.14
-474.09
-0.12
-406.37
-0.14
-474.09
6
AUXILLARY
-0.08
-270.91
-0.08
-270.91
-0.12
-406.37
-0.14
474.09
-0.08
-270.91
-0.10
-338.64
-0.12
406.37
-0.14
474.09
-0.16
-541.82
-0.14
-474.09
-0.12
406.37
LOCKER ROOM
VISITOR
7
COACH OFFICE
Not Acessible
NA
-0.06
-203.18
-0.12
-406.37
-0.14
-474.09
-0.16
-541.82
-0.06
-203.18
-0.08
-270.91
-0.16
-541.82
-0.12
-406.37
-0.16
-541.82
-0.14
-474.09
VISITOR
8
CLUBHOUSE
-012
-406.37
-0.06
-203.18
-0.12
-406.37
-0.08
-270.91
-0.12
-406.37
-0.10
-338.64
-0.12
-406.37
-0.14
-474.09
-0.18
-609.55
-0.14
-474.09
-0.14
-474.09
9
COMMISERY
-0.14
-474.09
-0.06
-203.18
-0.14
-474.09
-0.10
-338.64
-0.12
-406.37
-0.10
-338.64
-0.12
-406.37
-0.14
-474.09
-0.16
-541.82
-0.14
-474.09
-0.06
-203.18
10
ELECTRICAL
-0.12
-406.37
-0.06
-203.18
-0.08
-270.91
-0.04
-135.46
-0.08
-270.91
-0.10
-338.64
-0.12
-406.37
-0.12
-406.37
-0.16
-541.82
-0.14
-474.09
-0.12
-406.37
11
WATER
-0 20
-677.28
-0.10
-338.64
-0.08
-270.91
-0.08
-270.91
-0.06
-203.18
-0.08
-270.91
-0.10
-338.64
-0.10
-338.64
-0.14
-474.09
-0.14
-474.09
-0.10
-338.64
TREATMENT
12
PRESIDENTIAL
-0 24
-812.73
-0.22
-745.01
-0.20
-677.28
-0.16
-541.82
-0.16
-541.82
-0.12
-406.37
-0.14
-474.09
-0.18
-609.55
-0.20
-677.28
-0.20
-677.28
-0.14
-474.09
SUITE #1
13
STORAGE
-0.18
-609.55
-0.22
-745.01
-0.18
-609.55
-0.12
-406.37
-0.16
-541.82
-0.14
-474.09
-0.14
-474.09
-0.20
-677.28
-0.18
-609.55
-0.22
-745.01
-0.18
-609.55
RETAIL
14
STORAGE
-0.20
-677.28
-0.16
-541.82
-0.18
-609.55
-0.14
-474.09
-0.14
-474.09
-0.14
-474.09
-0.16
-541.82
-0.18
-609.55
-0.18
-609.55
-0.20
-677.28
-0.16
-541.82
CONTROL
15
ROOM
-0.22
-745.01
-0.16
-541.82
-0.18
-609.55
-0.10
-338.64
-0.12
-406.37
-0.12
-406.37
-0.14
-474.09
-0.20
-677.28
-0.20
-677.28
-0.20
-677.28
-0.14
-474.09
(OUTSIDE)
VISITORS
16
CLUBHOUSE
-0.10
-338.64
-0.04
-135.46
-0.12
-406.37
-0.10
-338.64
-0.10
-338.64
-0.12
-406.37
-0.14
-474.09
-0.14
-474.09
-0.14
-474.09
-0.16
-541.82
-0.12
-406.37
HALLWAY
CRY
17
HALLWAY
HALLWAY
-0.12
-406.37
-0.08
-270.91
-0.12
-406.37
-0.12
-406.37
-0.12
-406.37
-0.08
-270.91
-0.10
-338.64
-0.12
-406.37
-0.16
-541.82
-0.16
-541.82
-0.14
-474.09
FAMILY
19
RESTROOM IN
No Reading
NA
-0.04
-135.46
-0.04
-135.46
-0.04
-135.46
-0.04
-135.46
-0.04
-135.46
-0.04
-135.46
-0.04
-135.46
-0.08
-270.91
-0.06
-203.18
-0.04
-135.46
TICKETBOOTH
Notes:
Readings in Inches of Mercury (In-Hg)
In-Hg values were converted to Pascals (Pa) by multiplying by 3386.39
Negative (-) readings indicate vacuum

TABLE 3: SUMMARY OF SUB -SLAB SOIL GAS ANALYTICAL RESULTS
High Point
High Point Multi Stadium
High Point, Guilford County, North Carolina
ECS Project No. 49:5318-D
Parameter
ANALYTICAL RESULTS
NCDEQ-DWM
NCDEQ-DWM
Sample ID
MP-1
MP-2
MP-3
MPA
MP-5
MP-6
MP-7
MP-6
MP-9
MP-10
MP-11
MP- 2
MP-13
MP-
MP-15
MP-16 MP-17
MP- 9 MP-23
DUP-2A
MP-DUP
MP-DUP-2
Residential VISL
Non -Residential
Sample Date
41512019
41512019
415I2019 2/1012021
4/5/2019
7116I2019 2110I2021
4/8/2019
4ISI2019 2I9I2021
4/1112019
4/5/2019 219I2021
7I16I2019 21912021
7I16I2019 21912021
7I16I2019 2I10I2021
41512019
7/17I2019 2I10I2021
4I11I2019 2/1012021
7/i6/2019
7/1712019 2MO12021
4MI12019
2I9I2021
2I10I2021
(Exterior &sub-
slab)
VISL (Exterior &
sub -slab)
Volatile Organic Compounds (VOCs)
by EPA
TO.15
Acetone
<4.9
1 <4.9
<7.0
39
<6 4
44.2
51
81.4
137
27
67.6
<14.1
53
53.6
63
92.3
45
47.8
19
<4.9
110
57
64.4
34
79.8
<5.0
96.9
100
62.2
34
140
220,000
2,700,000
Benzene
<0.66
<0.66
<1.0
0.97
<0.87
<3.2
0.78
0.92
2.2
0.58 J
0.86
1.9
0.60 J
1.1
0.81
1.7
0.95
1.7
0.78
<0.66
1.2
0.95
0.67
0.51 J
2.6
0.76
<0.68
1.0
<0.55
0.63 J
1.1
12
160
2-Butanone MEK
6.4
9.6
15.7
<2.0
12.4
<29.7
3.1 J
8.7
14.6
<2.0
6.0
9.0 J
9.1
11 J
11.9
<2.0
11.4
13.9
42.0
6.1 J
4.9
8.5 J
<5.8
8.2
19.9
19 J
<5.0
4.7 J
22 J
35,000
440,000
Carbon disulfide
<1.3
<1.3
<2.0
<1.6
<1.7
<6.3
<1.6
1.7
<1.3
<1 e
o
<1.6
<1 ?
<1.6
4.7
2.6
17.61
1.7
<1.6
<1.3
<1.3
<1.3
<1.6
<1.1
<1.6
<1.6
4,900
61,000
Carbon Tetrachloride
--
--
--
<0.33
--
--
0.60 J
--
--
0.86 J
0.50 J
--
-
--
--
0.48 J
--
--
-
OAS J
- -
<0.33
<0.33
16
200
Chloroform
<1.0
<1.0
<0.24
<1.0
<1.0
<0.24
<1.0
<1.0
-0.24
<0.24
<1.0
<1.0
2.1
<1.0
<0.24
<1.0
<1.0
<1.0
<0.24
<1.0
<0.24
<0.24
4.1
53
Chloromethane
1.3
<0.85
1.8
<0.32
1.7
<4,2
<0.32
1.1
1.8
<0.68
2.3
<0.32
<0.71
1.3
2.2
<0.68
<0.32
1.8
1.7
1.4
<0.32
<0.71
<0.32
<0.32
630
7,900
Cydohexane
<3.5
<3.5
<5.4
<0.34
<4.7
6.3
12
5.6
<3.5
17
12.1
21.9
22.6
31
8.3
21
5.3
17
<3.5
4.3
12
7.6
23
7.6
10.5
<3.7
110
3.4
80
320
42,000
530,000
1 3-Dichlorobenzene
7.3
11.6
11.7
<0 44
7.8
<12.1
<0 44
<25
<2.5
5.0
3.6
4.7
n a_'
<2.0
6.2
<2.0
<2.0
<0.44
<2.0
13.1
8.6
<0 44
<2.0
<0.44
<0.44
NS
NS
Dichlorodifluoromethane F12
2.3
3.2
<3.1
<0 31
<2.7
2.1
<0 31
<2.0
2.3
9.3
4.3
4.1
2.2
5.5
7.2
53.2
2.5
12.3
2.5
<2.1
<0 31
3.0
<0.31
<0.31
700
8,800
cis-1,2-Dichloroeth lene
--
--
--
<0.27
--
- -
<0 27
--
--
-
,,.2,
--
-,.�
--
<0.27
--
--
--
<0 27
--
<0.27
<0 27
NS
NS
Dichlorotetrafluoroethane F114
<29
<2.9
<4.4
<0.79
<3.8
<14.1
<0.79
<2.9
<2.9
39
" `
<0.79
12.9
<0.79
2.4
<0.79
4.0
<2.9
<3.0
<0.79
3.2
<0.79
<0.79
NS
NS
Ethanol
--
--
--
48
--
--
75
--
--
--
--
55
--
71
--
29
--
--
--
140
--
26
200
NS
NS
Eth acetate
<1.5
<1.5
<2.3
<4.3
<2.0
<7.3
<4.3
<1.5
<1.5
2.2
39.4
<4.3
<3.8
<4.3
<1.2<4.3
<3.8
<1.5
4.2
5.7 J
<1.2
<4.3
<4.3
490
6,100
Eth Ibenzene
9.9
10.2
13.1
9.3
13.0
3.4
1.0
1.8
17.4
2.0
4.0
13.3
3.2
1.4
1.3
3.5
1.4
9.6
4.2
3.0
3.5
2.0
3.3
15.5
11.6
21
7.1
1.8
32
37
490
4-Eth toluene
--
--
--
<0.30
--
--
<0.30
--
--
--
--
<0.30
--
<0.3c
--
0.6 J
--
--
--
<0.30
--
<0.30
<0.30
NS
NS
n-He lane
<1.7
<1.7
<2.6
<0.35
<2.2
<8.2
<0.35
3.7
<1.7
7.5
12.5
5.0
2
5.7
3.9
<4.3
2.7
<1.7
<0.35
2.2
<0.35
<0.35
2,800
35,000
n-Hexane
7.1
5.4
16.2
<1.3
6.7
5.1
27 J
5.4
2.6
3.7
55.9
4.3
6.6
7.3
4.0
6.8
9.0
11.4
22.4
12.4
<1.3
2.6
<1.3
<1.3
4,900
61,000
2- Hexanone MBK
<8 4
<8.4
<0.46
<8 4
<8 4
<0.46
<84
<8.4
9.4
.° .
<0 46
10.2
<0 46
e�
<0.46
<3.4
<8.4
<8 4
<0.46
<8 4
<0.46
<0.46
210
2,600
Iso ro anol
--
--
--
6.3 J
--
--
7.0 J
--
--
I
1
8.6 J
--
12 J
6.2 J
--
--
31
--
<4.5
47
1,400
18,000
Methyl tert-ButylEther MTBE
--
--
--
<0.29
--
--
<0.29
--
--
<0.zi
<0.29
-
<0.29
<0.29
-I
--
--
<0.29
<0.29
<0.29
360
4,700
Meth ene Chloride
25A
11.1
15.3
2.3 J
11.1
27.9
49
27
8.3
4.8 J
216
76
28.0
100
32.5
6.7 J
27.4
33
15A
51.2
3.3 J
8.3
4.6 J
23.1
50.6
10.5
2.1 J
<5.9
74
<1.6
3,400
53,000
Pro lene
<0.71
<0.71
<1.1
<1.2
<0.93
<3.5
<1.2
1.4
<0.71
<1.2
6.3
<1.2
<1.8
<1.2
<0.69
<1.2
<0.59
<1.2
<0.71
<0.72
<1.2
<0.56
<1.2
1.3
2.4
<0.74
<1.2
<0.59
13 J
<1.2
21,000
260,000
S ene
4.1
5.9
5.8
2.0
7.2
6.2
<0.24
<1.7
4.2
1.5
4.9
<5.1
1.2
<1.7
1.6
1.8
<0.24
5.7
1.6
7.40
8.10
3.6
2.0
2.6
5.4
2.8
7.9
3.3
7.80
1.1
3.4
7,000
88,000
Tetrachloroethene PCE
<1.4
<1.4
<2.1
1.2 J
<1.8
<6.8
0.92 J
<1.4
<1.4
2.6
<1.1
<4.0
6.2
<1.4
0.73 J
1.8
1.5
<1.4
1.2 J
<1.4
<1.4
1.4
-1.1
0.87 J
<1.3
<1 4
<1.4
1.2 J
9.6
<0.44
1.0 J
280
3,500
Tetrah drofuran
391
333
278
<1.5
208
34
<1.5
97.5
22.6
<1.5
31.6
83.0
<1.5
40.9
<1.5
<1.2
<1.5
50.5
<1.5
123
39.9
<1.5
29.8
<1.5
76.2
133
176
<1.5
60.2
<1.5
<1.5
14,000
180,000
Toluene
17.1
11.5
13.1
27
12.7
42.0
12
4.9
62.4
32
64.4
54.5
30
6.9
32
7.9
22
39.6
32
11.3
38.8
50
45.9
33
40.7
19.6
10.6
54
106
25
51
35,000
440,000
Trichloroethen, TCE
<1.1
<1.1
<1.7
<0.40
<1.5
<1.1
<0.40
<1.1
<1.1
<0.40
<0.88
<3.2
43
1.7
<0.40
5.9
0.71J
<1.1
<0.40
<1.1
<1.1
3.9
<0.88
<0.40
<1.1
<1.1
<1.1
<0.40
5.8
<0.40
0.64J
14
180
Trichlorofluoromethane F11
<23
<2.3
<3.5
1.3 J
<3.0
<11.3
1.6 J
<2.3
<2.3
1.2 J
4.0
1.4 J
1.0 J
1.1 J
3.4
1.2 J
10.4
7.9
1.3 J
42.5
1.3 J
4.2
<2.3
<2.4
1.2 J
2.0
1.1 J
1.7 J
NS
NS
124-Trimeth benzene
<20
2.5
<3.1
<0.22
<2.7
5.7
<0.22
2.5
53.2
2.4
<1.6
<0.22
<0.22
<0.22
5.1
<0.22
12
8.3
2.6
2.5
1.9
5.1
<2.1
2.2
<0.22
2.1
<0.22
<0.22
420
5,300
1 3 5-Trimeth benzene
<2p
<2.0
<3.1
<0 26
7.6
2.1
<0.26
<2.0
11.2
0.53 J
<1.6
<0.26
<0.26
<0.26
2.1
<0.26
<2
2.3
<0.26
<1.6
0.55 J
2.0
<2.1
<2.1
0.73 J
<1.7
<0.21
0.90 J
420
5,300
m, -X lene
44.9
49.0
59.8
31
62.6
11.2
2.0
5.7
113
3.3
12.5
56.7
8.1
<3.6
3.2
2.4
11.6
4.0
46.3
16.0
5.1
11.7
3.2
10.8
80.4
52.6
77
25.6
3.5
120
700
8,800
o-X ene
10.9
12.2
14.8
11
14.1
1 4.5
1 1.2
1 1.8
1 43.6
1 2.1
4.3
1 14.1
1 3.5
1.9
1.8
1 4.5
1 1.9
1 12.0
6.3
3.0
3.9
1 2.1
4.3
1 14.9
1 13.1
23
9.6
1 1.7
35
700
8,800
Notes:
Results presented in micrograms per cubic meter (pg/m')
NCDEQ-DWM = North Carolina Department of Environmental Quality -Division of Waste Management
NCDEQ-DWM Residential and Non -Residential Vapor Intrusion Screening Concentrations are from update of January 2021
VISL= Vapor Intrusion Screening Levels
NS = No Established Standard
Underline = Concentration Exceeds Residential VISL
BOLD = Concentration Exceeds Non -Residential VISL

TABLE 2: SUMMARY OF INDOOR AIR ANALYTICAL RESULTS
High Point
High Point Multi Stadium
High Point, Guilford County, North Carolina
ECS Project No. 49:5318-D
Parameter
i ANALYTICAL RESULTS
NCDEQ-DWM
Sample ID
A-1
A-2
A-3 A-4
A-5
A-6 A-7
A-8 A-9
A-10
A-11 A-12 A-13 A-14
A-15
A-16 A-17
A-17
A-18
A-19
A-20 A-21
A-22
A-23
AA
DUP
DUP-2
NCDEQ-DWM
Sample Date
7116119
2/9121
7116119
2/9121
7/16/19
2/9121
7116/19
219/21
7/16/19
2/9121
7/16/19
7/16/19
2/9121
7/16/19
7/16/19
2/9121
7116119
2/9121
7/16/1-3
7/16/19
2/9121
7/16/19
7/16/19
2/9121
7116119
219/21
7116119
219/21
7/16/19
2/9121
1 7/16/19
2/9121
Residential VISL
IASL (A)
Non -Residential
VISL IASL (A)
Volatile Organic Compounds (VOCs) by EPA TO-15
Acetone
239
25
26.9
15
25.6
28.0
14
23.9
8.7
42.5
27.4
13
44.4
48.6
51.8
23
37.9
24.4
33.1
31.0
46.6
17
40.1
48.3
15
88.2
35.2
11
37.1
22
43.6
21
169
17
23.3
12
40.9
18
49.2
20
6,500
27,000
Benzene
<0.48
0.52
1.8
0.51
<0.50
<0.52
0.53
3.1
0.54
<0.52
<0.52
0.52
<0.52
<0.52
<0.52
0.54
<0.52
<0.52
<0.52
<0.52
0.67
0.53
0.67
0.72
0.53
0.58
0.69
0.54
0.71
0.92
1.4
0.53
<0.52
0.53
0.73
0.53
2.7
0.50
0.65
0.53
0.36
1.6
2-Butanone MEK
29.6
1.3
<4.8
1.7
4.8
5.0
1.5
5.9
0.93
4.9
<4.8
0.89
<4.8
7.7
<4.8
2.9
8.0
<4.8
4.9
<4.8
6.1
2.1
7.1
9.3
1.1
15.6
7.2
0.97
8.0
<4.8
13.8
3.1
24.4
2.0
<5.0
2.0
9.6
2.9
<5.0
2.4
1,000
4,400
Carbon Disulfide
<1.0
<1.1
<1.0
<1.1
<1.0
<1.0
<1.1
4.3
<1.1
<1.0
<1.0
<1.1
<1.0
<1.0
<1.0
<1.1
<1.0
<1.0
<1.0
<1.0
<1.0
<1.1
1.8
<1.4
<1.1
1.4
<1.0
<0.14
<1.0
<1.0
<1.0
<0.12
<1.0
<0.12
<1.0
<1.1
<1.0
<1.1
<1.0
<1.1
150
610
Carbon Tetrachloride
<0.22
0.63
<0.22
0.49
<0.22
<0.22
0.48
<0.22
0.49
<0.22
<0.22
0.50
<0.22
<0.22
<0.22
0.45
<0.22
<0.22
<0.22
<0.22
<0.22
0.51
<0.22
<0.22
0.52
<0.22
<0.22
0.49
<0.25
<0.25
<0.25
0.45
<0.25
0.49
<0.22
0.49
<0.22
0.50
<0.22
0.48
0.47
2.0
Chloromethane
0.92
1.4
0.89
<0.14
0.76
0.80
1.3
0.78
<0.14
0.78
0.82
1.2
0.81
0.81
0.76
1.3
0,80
0.80
<0.68
0.79
<0.68
<0.14
1.1
1.2
<0.14
1.2
1.2
<1.1
1.1
1.2
1.6
<0.17
1.5
<0.17
1.3
1.2
1.4
1.2
1.3
1.2
19
79
C clohexane
<2.8
<0.12
3.0
<0.12
<2.6
<2.8
<0.12
7.2
<0.12
<2.8
<2.8
<0.12
<2.8
<2.8
<2.8
<0.12
<2.8
<2.8
<2.8
<2.8
<2.8
<0.12
<2.8
13.0
<0.12
7.8
3.5
<0.14
3.2
<2.8
<2.8
<0.14
424
<0.14
<2.8
<0.12
<2.8
<0.12
12.2
<0.12
1,300
5,300
Dichlorodifluoromethane F12
2.0
<0.17
2.2
1.3
2.1
2.0
<0.17
2.0
1.2
2.0
2.1
1.3
2.3
2.1
2.2
<0.17
2.2
2.1
1.9
2.3
3.0
1.2
3.0
2.9
<0.17
2.9
3.0
1.2
2.9
2.9
2.9
1.1
2.9
<0.20
2.9
1.2
2.5
1.0
2.7
<0.17
21
88
n-He tane
<1.3
3.1
2.4
0.90
<1.3
<1.3
0.91
16.3
0.92
<1.3
<1.3
0.84
<1.3
<1.3
<1.3
1.1
<1.3
<1.3
<1.3
<1.3
6.9
1.1
8.0
3.7
0.83
2.9
1.8
0.95
<1.3
<1.3
<1.3
0.89
8.8
0.70
<1.3
0.95
<1.3
0.97
3.7
<0.14
83
350
n-Hexane
1.2
<4.9
6.8
<4.9
1.5
<1.2
<4.9
7.1
<4.9
<1.2
<1.2
<4.9
<1.2
<1.2
1.6
<4.9
<1.2
<1.2
<1.2
1.2
1.8
<4.9
2.6
6.0
<4.9
12.0
2.9
<4.9
2.8
2.0
2.8
<5.6
2.0
1.4
1.6
<4.9
10.8
<4.9
5.7
<4.9
150
610
Iso ro anol
<3.4
3.1J
<3.4
1.7J
<3.4
<3.4
1.7J
<3.4
1.6,1
<3.4
<3.4
1.6J
<3.4
<3.4
<3.4
7.9
<3.4
<3.4
<3.4
<3.4
<3.4
2.3
<3.4
<3.4
3.1,1
<3.4
<3.4
2.5
<3.9
<3.9
<3.9
2.0J
<3.7
0.49
<3.4
1.91
<3.4
2.1J
<3.4
2.1J
42
180
Methylene Chloride
8.8
2.6
<5.5
2.7
<5.5
<5.7
3.3
<5.7
1.1
<5.7
<5.7
2.6
<5.7
<5.7
9.2
1.4
<5.7
<5.7
7.6
6.0
7.3
1.7
<5.7
6.3
2.0
15.1
<5.7
2.3
6.6
7.3
11.3
2.7
7.3
3.2
<5.7
1.9
<5.7
1.5
<5.7
0.73
100
530
Naphthalene
<4.3
<0.18
<4.3
<0.18
<4.3
<4.3
<0.18
<4.3
0.18
<4.3
<4.3
0.18
<4.3
<4.3
<4.3
<0.18
<4.3
<4.3
<4.3
<4.3
4.3
<0.18
<4.3
<4.3
<0.18
<4.3
<4.3
<0.18
<4.3
<4.3
4.6
<0.21
<4.3
<0.21
<4.5
<0.18
<4.5
<0.18
<4.5
<0.18
0.083
0.36
Propylene
1.1
<2.4
<0.54
<2.4
0.80
<0.56
<2.4
0.99
<2.4
<0.56
<0.56
<2.4
0.87
<0.56
<0.56
<2.4
1.3
0.72
0.79
<0.56
<0.56
<2.4
<0.55
2.2
<2.4
<0.56
<0.56
<2.4
<0.56
<0.56
<0.56
<0.28
2.6
<0.28
<0.56
<2.4
<0.56
<2.4
2.1
<2.4
630
2,600
1,2,4-Trimeth benzene
3.7
0.18
6.4
<0.17
2.8
2.3
<0.17
30.3
<0.17
2.6
3.4
<0.17
2.6
3.6
3.3
<0.17
12.0
3.4
2.8
2.5
12.0
<0.17
3.4
5.6
<0.17
5.6
2.4
<0.17
3.5
<1.6
1.8
<0.20
12.5
<0.20
<1.6
<0.17
6.6
<0.17
7.2
<0.17
13
53
1 3 5-Trimeth benzene
<1.6
<0.17
1.9
<0.17
<1.5
<1.6
<0.17
8.2
<0.17
<1.6
<1.6
<0.17
<1.6
<1.6
<1.6
<0.17
3.8
<1.6
<1.6
<1.6
3.3
<0.17
<1.2
2.3
0.25
1.7
<1.2
<0.17
<1.2
<1.2
<1.2
<0.20
3.3
<0.20
<1.2
<0.17
2.1
<0.17
2.7
<0.17
13
53
Ethyl acetate
50.9
8.8
<1.1
<1.3
<1.1
<1.2
<1.3
<1.2
<1.3
<1.2
<1.2
<1.3
<1.2
<1.2
<1.2
<1.3
<1.2
<1.2
<1.2
<1.2
<1.2
<1.3
<1.2
<1.2
<1.3
<1.2
<1.2
<1.3
<1.2
<1.2
<1.2
<1.4
<1.2
<1.4
<1.2
<1.3
<1.2
<1.3
<1.2
<1.3
15
61
Eth (benzene
<1.4
0.24
2.9
0.12
1.4
<1.4
0.15
12.3
0.14
<1.4
1.9
0.14
<1.4
1.7
1.6
0.16
<1.5
2.8
<1.4
<1.4
2.0
0.21
1.7
2.5
0.22
2.5
1.5
0.17
1.6
<1.4
<1.4
0.19
<1.4
0.12
<1.4
0.11
3.2
0.12
2.4
0.14
1.1
4.9
4-Eth toluene
<4.1
<0.17
<4.1
<0.17
<4.1
<4.1
<0.17
9.1
<0.17
<4.0
<4.0
<0.17
<4.0
<4.0
<4.0
<0.17
5.2
<4.0
<4.0
<4.0
4.1
<0.17
<4.0
<4.0
<0.17
<4.0
<4.0
<0.17
<4.0
<4.0
<4.0
<0.20
<4.0
<0.20
<4.0
<0.17
<4.0
<0.17
<4.0
<0.17
NS
NS
Toluene
7.3
2.3
27.9
1.5
6.1
4.3
1.6
45.5
1.5
4.4
4.6
1.5
4.3
5.7
6.5
1.6
4.6
6.0
5.3
4.0
6.3
1.6
11.5
59.9
2.00
94.9
18.9
1.5
18.4
7.3
9.2
1.4
1.2
2.9
1.4
34.3
1.5
59.1
1.5
1,000
4,400
Tetrah drofuran
1.9
<1.0
2.9
<1.0
1.9
2.3
<1.0
<0.98
0.39
2.3
1.8
0.38
2.3
4.1
3.1
1.1
2.3
2.6
7.4
2.2
3.0
<1.0
12.3
<0.97
0.56
<0.97
<0.97
0.38
<0.97
<0.97
7.2
0.61
0.58
<0.97
<1.0
3.4
<1.0
6.2
0.88
420
1,800
Tetrachloroeth lene
<1.1
0.13
<1.1
0.090
<1.1
<1.1
0.15
<1.1
0.11
<1.1
<1.1
0.11
<1.1
<1.1
<1.1
<0.24
<1.1
<1.1
<1.1
<1.1
<1.1
0.11
<1.1
11.0
0.18
<1.1
<1.1
0.15
<1.1
<1.1
<1.1
0.15
<0.27
<1.1
<0.24
<1.1
<0.24
<1.1
0.090
8.3
35
Trichloroethene TCE
<0.85
0.41
<0.88
0.37
<0.88
<0.88
0.46
<0.88
0.44
<0.88
<0.88
0.48
<0.88
<0.88
<0.88
0.42
<0.88
<0.88
<0.88
<0.88
<0.88
0.42
<0.88
0.92
0.45
<0.88
<0.88
0.44
<0.88
<0.88
<0.88
0.40
0.23
<0.88
0.35
<0.88
0.38
<0.88
0.25
0.42
1.8
Trichlorofluoromethane Freon 11
<0.79
1.1
<0.79
1.2
<0.79
<0.79
1.1
<0.79
1.2
<0.79
<0.79
1.1
<0.79
<0.79
<0.79
1.1
<0.79
<0.79
<0.79
<0.79
<0.79
1.2
<0.79
<0.79
1.1
<0.79
<0.79
1.1
<0.90
<0.90
<0.90
1.1
j63.
1.2
<0.79
1.2
<0.79
1.2
<0.79
1.2
NS
NS
112-Trichloro-122-tdfluoroethane Freon 113
<1.1
0.45J
<1.1
0.45J
<1.1
<1.1
0.45J
<1.1
0.44J
<1.1
<1.1
<1.1
<1.1
<1.1
<1.1
0.46J
<1.1
<1.1
<1.1
<1.1
<1.1
<1.1
<1.1
<1.1
0.43J
<1.1
<1.1
0.45J
<1.2
<1.2
<1.2
0.45J
<1.2
<1.1
<1.1
<1.1
<1.1
<1.1
0.45J
1,000
4,400
m -X lene
5.3
0.8
11.1
0.36
5.3
4.2
0.46
44.6
0.41
4.6
5.2
0.44
4.8
6.9
6.1
0.49
4.2
11.4
4.6
5.6
8.9
0.71
5.9
12.2
0.71
8.8
7.0
0.56
7.1
4.1
5.0
0.54
0.35
<3.0
0.30
12.0
0.37
12.2
0.39
2188o-X'ene2.00.3
4.2
0.2
2.1
1.6
0.19
16.6
0.16
1.8
1.6
0.18
1.8
2.4
2.5
0.19
2.0
4.4
1.9
2.0
39
0.25
2.5
6.8
0.36
4.1
3.2
0.22
3.2
1.6
2.2
0.22
0.16
<1.5
0.13
4.6
0.16
6.9
0.16
2188
St ene
28
0.21
5.3
0.13
5.1
6.5
0.15
2.7
<0.15
3.4
1.6
<0.15
3.3
10.6
4.2
<0.15
2.8
3.2
2.8
2.6
3.7
<0.15
4.0
7.5
0.32
8.0
6.9
0.17
7.5
4.6
3.9
0.44
0.30
<1.5
<0.15
5.5
<0.15
8.1
0.29
210
880
Notes:
Results presented in microqrams per cubic meter (pq/m3)
NCDEQ-DWM = North Carolina Department of Environmental Quality -Division of Waste Management
NCDEQ-DWM Residential and Non -Residential Vapor Intrusion Screening Concentrations are from update of January 2021
VISL= Vapor Intrusion Screening Levels
IASL (A) = Indoor Air/Crawlspace Screening Level at target risk 1.0E -06
NS = No Established Standard
BOLD = Concentration Exceeds Non -Residential VISL IASL (A)
Underline = Concentration Exceeds Residential VISL IASL (A)
Sample DUP is duplicate of sample A-2
Sample DUP-2 is duplicate od sample A-17
Shading indicates results from February 2021 sampling

APPENDIX A
(Brownfields Letter)

ROY COOPER
Governor
MICHAEL S. REGAN
Secretary
MICHAEL SCOTT
Director
Sent Via E-mail
NORTH CAROLINA
Environmental Quality
December 4, 2020
Mr. Randy McCaslin, Interim City Manager
City of High Point
211 South Hamilton Street, Room 320
High Point, NC 27260
randy. mcc aslin(khi ghpointnc. gov
Subject: Vapor Mitigation Monitoring Data Review — Stadium & Ticket Building
High Point Multi -Stadium Brownfields Property
High Point, Guilford County
Brownfields Project No. 21047-17-041
Dear Mr. McCaslin:
As part of assessment and negotiations for a Brownfields Agreement for the above -referenced
property, the North Carolina Department of Environmental Quality (DEQ) Brownfields Program
(the Program) required the collection of sub -slab depressurization readings, and the collection
and analysis of multiple sub -slab vapor and indoor air samples throughout the enclosed areas of
the High Point Stadium Building and the separate Ticket Building.
The initial round of this data collection occurred in April 2019. Because construction workers
were still working within the buildings and there was a concern of indoor air interference with
various volatile compounds in construction and finishing products within the building, a follow
up sampling round was conducted at our request in July 2019. Those data were reported in the
following signed and sealed reports:
Title
Author
Date
Vapor Mitigation System Pilot/Influence Testing,
High Point Multi -Use Stadium and Ticketing
EAI South
April 4, 2019
Booth Building
Indoor Air and Sub -Slab Soil Gas Sampling
ECS Southeast, LLP
June 11, 2019
Report, High Point Multi -Stadium -Ticket Building
Indoor Air and Sub -Slab Gas Confirmation
ECS Southeast, LLP
September 19, 2019
Sampling Report, High Point Multi Stadium
NORTHC�NAI
Onparlmentn} Enrimnmental QM111V
North Carolina Department of Environmental Quality I Division of Waste Management
217 West Jones Street 1 1646 Mail Service Center I Raleigh, North Carolina 27699-1646
919,707.8200

Mr. McCaslin
December 4, 2020
Page 2
Based on the initial dataset, the Program issued an occupancy approval for the stadium and the
ticket building on April 29, 2019. This letter did though indicate that additional confirmatory
data shall be conducted in accordance with a DEQ Brownfields-approved work plan. The
Program has reviewed the initial sub -slab depressurization readings and the post -construction
analytical data for both the Stadium Building and the Ticket Building, and evaluated these data
using the DEQ Risk Calculator (July 2020 Version). While we concur that certain of these
volatile organic compounds (VOCs) are likely from background indoor air sources, such as
interior finishing products, we require additional sub -slab depressurization readings, and a round
of confirmatory sub -slab and indoor air sampling to provide a measure of the seasonal variability
of the initial rounds of concentration data, which were obtained in the 2019 Spring/Summer
season.
Hence, in order to evaluate compliance with Land Use Restriction 151. of the Brownfields
Agreement (which is out of public comment as of November 24, 2020, the DEQ Brownfields
Program requires the following:
1) Additional sub -slab depressurization readings for all sub -slab pressure reading locations
(MP-1 through MP- 19/MP-23) in both buildings with the vapor intrusion mitigation
system (VIMS) fans operating during the winter months of 2021, preferably during the
coldest forecasted temperatures in January. Quarterly readings should be conducted after
that.
2) An additional ambient air, indoor air, and sub -slab sampling event on a subset of the
original indoor air and sub -slab samples in both buildings with the VIMS fans operating
during the winter months of 2021, preferably during the coldest forecasted temperatures
in January, to confirm that concentration trends of the previously evaluated list of
compounds in indoor air are consistent with building material off -gassing, which would
be expected to subside over time. The work may be conducted in accordance with the
work plan previously approved for the sampling conducted in 2019 (Indoor Air and Soil
Gas Confirmatory Sampling Plan, ECS, June 5, 2019) with the following subset of
sample locations:
Indoor Air Sample
Sub -Slab Vapor Sample Locations
Sample Rationale
Locations
A-1, A-2, A-17, A-19
MP-10, MP-11, MP-12, MP-14
Chlorinated VOCs in sub -slab; confirm indoor
air results in winter months
A-4, A-5
MP-9
Confirm results near elevator shaft
A-7
MP-7
TCE detected in indoor air samples; confirm
and evaluate trend if detected
A-10
MP-5
TCE in sub -slab; confirm indoor air results in
winter months
A-15, A-22
MP-3, MP-15
Naphthalene in indoor air; confirm results in
winter months
A-23 (Ticket Building)
MP- 19/MP-23 (Ticket Building)
High detection limits and PCE in sub -slab;
confirm indoor air results in winter months
Duplicate — Stadium
Duplicate — Stadium
Quality control sample

Mr. McCaslin
December 4, 2020
Page 3
Indoor Air Sample
Locations
Sub -Slab Vapor Sample Locations
Sample Rationale
Duplicate — Ticket
Bldg.
Duplicate — Ticket Bldg.
Quality control sample
Ambient air
NA
Quality control sample
3) A report documenting the confirmation sampling and sub -slab depressurization readings,
signed and sealed by a NC professional engineer/geologist, shall be submitted no later
than 30 days after receipt of the analytical data. Upon review, the Program will determine
if additional monitoring or other measures may be required. Please note, if exceedances
of indoor air concentrations or hazard indices are noted in follow up air sampling that are
unrelated to background indoor air interferences, further measures including additional
air sampling, VIMS modifications, and/or possible evacuation of the site buildings may
be required.
If you have any questions, please feel free to contact me at my State mobile number
919.609.2617, or via e-mail at sharon.eckardnncdenr.gov.
Sincerely,
Sharon Poissant Eckard, PG
Eastern District Supervisor
Brownfields Program
ec: Kelly Johnson, DEQ Brownfields
Jordan Thompson, DEQ Brownfields
Matt McDuffie, ECS
Will Burton, Fox Rothschild, Esq.

APPENDIX B
(Photographic Logs)

Photograph 1: Sample A-2 and Duplicate
Photograph 2: Indoor Air Sample A-1 Field Supervisor Office
PHOTOGRAPH LOG
HIGH POINT MULTI STADIUM
CHURCH AVENUE TICKET BUILDING
HIGH POINT, GUILFORD COUNTY
NORTH CAROLINA
ECS PROJECT NO. 49-5318E

Photograph 3: Indoor Air Sample A-4 Commissary
Photograph 4: Indoor Air Sample A-5 With Extension Elevator
PHOTOGRAPH LOG
HIGH POINT MULTI STADIUM
CHURCH AVENUE TICKET BUILDING
HIGH POINT, GUILFORD COUNTY
NORTH CAROLINA
ECS PROJECT NO. 49-5318E

Photograph 5: Indoor Air Sample A-7 Visitors Trainers Office
Photograph 6: Indoor Air Sample A-15 Coach's Office
PHOTOGRAPH LOG
HIGH POINT MULTI STADIUM
CHURCH AVENUE TICKET BUILDING
HIGH POINT, GUILFORD COUNTY
NORTH CAROLINA
ECS PROJECT NO. 49-5318E

Photograph 7: Indoor Air Sample A-10 Main Office
Photograph 8: Indoor Air Sample A-17 Restroom
PHOTOGRAPH LOG
HIGH POINT MULTI STADIUM
CHURCH AVENUE TICKET BUILDING
HIGH POINT, GUILFORD COUNTY
NORTH CAROLINA
ECS PROJECT NO. 49-5318E

E
Photograph 9: Indoor Air Sample A-19 Clubhouse
Photograph 10: Indoor Air Sample A-22 Private Suite
PHOTOGRAPH LOG
HIGH POINT MULTI STADIUM
CHURCH AVENUE TICKET BUILDING
HIGH POINT, GUILFORD COUNTY
NORTH CAROLINA
ECS PROJECT NO. 49-5318E

-1111-
A.z
Photograph 11: Indoor Air Sample A-23 and Duplicate Ticket Building
Photograph 12: Ambient Air Sample AA With Extension
PHOTOGRAPH LOG
HIGH POINT MULTI STADIUM
CHURCH AVENUE TICKET BUILDING
HIGH POINT, GUILFORD COUNTY
NORTH CAROLINA
ECS PROJECT NO. 49-5318E

I
I a-m
Photograph 13: Helium Leak Test MP-10 Electrical Room
i..
Photograph 14: Sub -Slab Soil Gas Sample MP-10
PHOTOGRAPH LOG
HIGH POINT MULTI STADIUM
CHURCH AVENUE TICKET BUILDING
HIGH POINT, GUILFORD COUNTY
NORTH CAROLINA
ECS PROJECT NO. 49-5318E

Photograph 15: Helium Leak Test MP-11 and Duplicate Water Plant
Photograph 16:Helium Leak Test MP-9 Commissary
PHOTOGRAPH LOG
HIGH POINT MULTI STADIUM
CHURCH AVENUE TICKET BUILDING
HIGH POINT, GUILFORD COUNTY
NORTH CAROLINA
ECS PROJECT NO. 49-5318E

Photograph 17:Sub-Slab Sample Point MP-9 Commissary
Photograph 18: Helium Leak Test MP-7 Visitors Locke Room Hallway
I
PHOTOGRAPH LOG
5 HIGH POINT MULTI STADIUM
rc
CHURCH AVENUE TICKET BUILDING
HIGH POINT, GUILFORD COUNTY
NORTH CAROLINA
ECS PROJECT NO. 49-5318E

Photograph 19:Sub-Slab Sample Point MP-7
Photograph 20: Helium Leak Test MP-3 Coach's Locker Room
PHOTOGRAPH LOG
HIGH POINT MULTI STADIUM
CHURCH AVENUE TICKET BUILDING
HIGH POINT, GUILFORD COUNTY
NORTH CAROLINA
ECS PROJECT NO. 49-5318E

Photograph 21:Sub-Slab Sample Point MP-3 Coach's Locker Room
Photograph 22: Helium Leak Test MP-5 VMS Riser in Closet
PHOTOGRAPH LOG
HIGH POINT MULTI STADIUM
CHURCH AVENUE TICKET BUILDING
HIGH POINT, GUILFORD COUNTY
NORTH CAROLINA
ECS PROJECT NO. 49-5318E

00k
A
r
Photograph 23:Sub-Slab Sample Point MP-5 VMS Riser in Background
Photograph 24: Helium Leak Test MP-12 Presidential Suite
PHOTOGRAPH LOG
HIGH POINT MULTI STADIUM
CHURCH AVENUE TICKET BUILDING
HIGH POINT, GUILFORD COUNTY
NORTH CAROLINA
ECS PROJECT NO. 49-5318E

Photograph 25:Sub-Slab Sample Point MP-12 Presidential Suite
Photograph 26: Helium Leak Test MP-14 Store Room
PHOTOGRAPH LOG
HIGH POINT MULTI STADIUM
CHURCH AVENUE TICKET BUILDING
HIGH POINT, GUILFORD COUNTY
NORTH CAROLINA
ECS PROJECT NO. 49-5318E

Photograph 27:Sub-Slab Sample Point MP-14 Store Room
Photograph 28: Helium Leak Test MP-15 Media Control Room
PHOTOGRAPH LOG
HIGH POINT MULTI STADIUM
CHURCH AVENUE TICKET BUILDING
HIGH POINT, GUILFORD COUNTY
NORTH CAROLINA
ECS PROJECT NO. 49-5318E

Photograph 29:Sub-Slab Sample Point MP-15 Media Control Room
Photograph 30: Helium Leak Test MP-19 Restroom Ticket Building
PHOTOGRAPH LOG
HIGH POINT MULTI STADIUM
CHURCH AVENUE TICKET BUILDING
HIGH POINT, GUILFORD COUNTY
NORTH CAROLINA
ECS PROJECT NO. 49-5318E

Photograph 31:Sub-Slab Sample Point MP-19 and Duplicate Restroom Ticket Building
PHOTOGRAPH LOG
HIGH POINT MULTI STADIUM
CHURCH AVENUE TICKET BUILDING
HIGH POINT, GUILFORD COUNTY
NORTH CAROLINA
ECS PROJECT NO. 49-5318B

APPENDIX C
(Laboratory Data Sheets and Chain -of -Custody Records)

Con -test®
A Pace Analytical® Laboratory
39 Spruce Street ` East Longmeadow, MA 01028 ` FAX [phone] " TEL. [phone]
February 17, 2021
Chris Orrell
ECS Southeast - Greensboro, NC
4811 Koger Boulevard
Greensboro, NC 27407
Project Location: High Point, NC
Client Job Number:
Project Number: [none]
Laboratory Work Order Number: 21B0366
Enclosed are results of analyses for samples received by the laboratory on February 9, 2021. If you have any questions
concerning this report, please feel free to contact me.
Sincerely,
Kerry K. McGee
Project Manager
QA Officer
Katherine Allen
Laboratory Manager
Daren Damboragian
Page 1 of 50

Con -test®
A Pace Analytical® Laboratory
39 Spruce Street ` East Longmeadow, MA 01028 ` FAX [phone] " TEL. [phone]
ECS Southeast - Greensboro, NC REPORT DATE: 2/17/2021
4811 Koger Boulevard
Greensboro, NC 27407 PURCHASE ORDER NUMBER:
ATTN: Chris Orrell
PROJECT NUMBER: [none]
ANALYTICAL SUMMARY
WORK ORDER NUMBER: 21BO366
The results of analyses performed on the following samples submitted to Con -Test, a Pace Analytical Laboratory, are found in this report.
PROJECT LOCATION: High Point, NC
FIELD SAMPLE # LAB ID: MATRIX SAMPLE DESCRIPTION TEST SUB LAB
A-2
21BO366-01
Indoor air
EPA TO-15
A-1
21BO366-02
Indoor air
EPA TO-15
A-4
21BO366-03
Indoor air
EPA TO-15
A-5
21BO366-04
Indoor air
EPA TO-15
A-7
21BO366-05
Indoor air
EPA TO-15
A-15
21BO366-06
Indoor air
EPA TO-15
A-10
21BO366-07
Indoor air
EPA TO-15
A-17
21BO366-08
Indoor air
EPA TO-15
A-19
21BO366-09
Indoor air
EPA TO-15
A-22
21BO366-10
Indoor air
EPA TO-15
A-23
21BO366-11
Indoor air
EPA TO-15
AA
21BO366-12
Indoor air
EPA TO-15
Dup
21BO366-13
Indoor air
EPA TO-15
Dup-2
21BO366-14
Indoor air
EPA TO-15
Page 2 of 50

Con -test®
A Pace Analytical® Laboratory
39 Spruce Street ` East Longmeadow, MA 01028 ` FAX [phone] " TEL. [phone]
CASE NARRATIVE SUMMARY
All reported results are within defined laboratory quality control objectives unless listed below or otherwise qualified in this report.
For sample 21B0366-10, client's final pressure and the labs receipt pressure do not agree. Client requested sample still be analyzed.
EPA TO-15
Qualifications:
Laboratory fortified blank /laboratory control sample recovery outside of control limits. Data validation is not affected since all results are
"not detected" for all samples in this batch for this compound and bias is on the high side.
Analyte & Samples(s) Qualified:
1,2,4-Trichlorobenzene, 1,2-Dichlorobenzene, 1,3-Dichlorobenzene, 1,4-Dichlorobenzene, Benzyl chloride, Hexachlorobutadiene
B276533-BSI
Continuing calibration verification (CCV) did not meet method specifications and was biased on the high side. Data validation is not affected
since sample result was "not detected" for this compound.
Analyte & Samples(s) Qualified:
Benzyl chloride
B276533-BSI, S056996-CCVI
Initial calibration verification (ICV) did not meet method specifications and was biased on the low side for this compound. Reported result is
estimated.
Analyte & Samples(s) Qualified:
Ethanol
21B0366-01[A-2], 21B0366-02RE1[A-1], 21BO366-03[A-4], 21B0366-04[A-5], 21B0366-05[A-7], 21B0366-06[A-15], 21B0366-07[A-10], 21B0366-08RE1[A-17],
21B0366-09RE1[A-19], 21B0366-10[A-22], 21B0366-11[A-23], 21B0366-12[AA], 21B0366-13[Dup], 21B0366-14[Dup-2], B276533-BLKI, B276533-BSI,
B276533-DUP1, S056996-CCVI
Calibrations RSD for this compound is >30% but <40%.
Analyte & Samples(s) Qualified:
Naphthalene
21B0366-01[A-2], 21B0366-02[A-1], 21B0366-03[A-4], 21B0366-04[A-5], 21B0366-05[A-7], 21B0366-06[A-15], 21B0366-07[A-10], 21B0366-08[A-17],
21B0366-09[A-19], 21B0366-10[A-22], 21B0366-11[A-23], 21B0366-12[AA], 21B0366-13[Dup], 21B0366-14[Dup-2], B276533-BLKI, B276533-BS1, B276533-DUPI,
S056996-CCV 1
The results of analyses reported only relate to samples submitted to Con -Test, a Pace Analytical Laboratory, for testing.
I certify that the analyses listed above, unless specifically listed as subcontracted, if any, were performed under my direction according to the approved methodologies listed
in this document, and that based upon my inquiry of those individuals immediately responsible for obtaining the information, the material contained in this report is, to the
best of my knowledge and belief, accurate and complete.
Lisa A. Worthington
Technical Representative
Page 3 of 50

Con -test®
A Pace Analytical® Laboratory
39 Spruce Street ` East Longmeadow, MA 01028 ` FAX [phone] " TEL. [phone]
ANALYTICAL RESULTS
Project Location: High Point, NC
Date Received: 2/9/2021
Field Sample #: A-2
Sample ID: 21BO366-01
Sample Matrix: Indoor air
Sampled: 2/9/2021 00:41
Sample Description/Location:
Sub Description/Location:
Canister ID: 1976
Canister Size: 6 liter
Flow Controller ID: 3235
Sample Type: 8 hr
Work Order: 21BO366
Initial Vacuum(in Hg): -30
Final Vacuum(in Hg): -8
Receipt Vacuum(in Hg): -9.1
Flow Controller Type: Fixed -Orifice
Flow Controller Calibration
RPD Pre and Post -Sampling:
EPA TO-15
ppbv
ug/m3
Date/Time
Analyte
Results
RL
MDL
Flag/Qual
Results
RL
MDL
Dilution
Analyzed
Analyst
Acetone
6.3
1.4
0.85
15
3.3
2.0
0.702
2/15/21 15:40
BRF
Benzene
0.16
0.035
0.010
0.51
0.11
0.033
0.702
2/15/21 15:40
BRF
Benzyl chloride
ND
0.035
0.016
ND
0.18
0.082
0.702
2/15/21 15:40
BRF
Bromodichloromethane
ND
0.035
0.0098
ND
0.24
0.065
0.702
2/15/21 15:40
BRF
Bromoform
ND
0.035
0.012
ND
0.36
0.12
0.702
2/15/21 15:40
BRF
Bromomethane
ND
0.035
0.019
ND
0.14
0.072
0.702
2/15/21 15:40
BRF
1,3-Butadiene
ND
0.035
0.026
ND
0.078
0.057
0.702
2/15/21 15:40
BRF
2-Butanone (MEK)
0.58
1.4
0.12
J
1.7
4.1
0.34
0.702
2/15/21 15:40
BRF
Carbon Disulfide
ND
0.35
0.089
ND
1.1
0.28
0.702
2/15/21 15:40
BRF
Carbon Tetrachloride
0.078
0.035
0.0093
0.49
0.22
0.059
0.702
2/15/21 15:40
BRF
Chlorobenzene
ND
0.035
0.0085
ND
0.16
0.039
0.702
2/15/21 15:40
BRF
Chloroethane
ND
0.035
0.034
ND
0.093
0.091
0.702
2/15/21 15:40
BRF
Chloroform
0.022
0.035
0.0085
J
0.11
0.17
0.041
0.702
2/15/21 15:40
BRF
Chloromethane
ND
0.070
0.027
ND
0.14
0.055
0.702
2/15/21 15:40
BRF
Cyclohexane
ND
0.035
0.017
ND
0.12
0.059
0.702
2/15/21 15:40
BRF
Dibromochloromethane
ND
0.035
0.012
ND
0.30
0.10
0.702
2/15/21 15:40
BRF
1,2-Dibromoethane (EDB)
ND
0.035
0.0091
ND
0.27
0.070
0.702
2/15/21 15:40
BRF
1,2-Dichlorobenzene
ND
0.035
0.013
ND
0.21
0.078
0.702
2/15/21 15:40
BRF
1,3-Dichlorobenzene
ND
0.035
0.013
ND
0.21
0.077
0.702
2/15/21 15:40
BRF
1,4-Dichlorobenzene
ND
0.035
0.0079
ND
0.21
0.047
0.702
2/15/21 15:40
BRF
Dichlorodifluoromethane (Freon 12)
0.26
0.035
0.011
1.3
0.17
0.054
0.702
2/15/21 15:40
BRF
1, 1 -Dichloroethane
ND
0.035
0.011
ND
0.14
0.045
0.702
2/15/21 15:40
BRF
1,2-Dichloroethane
ND
0.035
0.013
ND
0.14
0.052
0.702
2/15/21 15:40
BRF
1, 1 -Dichloroethylene
ND
0.035
0.019
ND
0.14
0.076
0.702
2/15/21 15:40
BRF
cis-1,2-Dichloroethylene
ND
0.035
0.012
ND
0.14
0.047
0.702
2/15/21 15:40
BRF
trans-1,2-Dichloroethylene
ND
0.035
0.010
ND
0.14
0.041
0.702
2/15/21 15:40
BRF
1,2-Dichloropropane
ND
0.035
0.013
ND
0.16
0.059
0.702
2/15/21 15:40
BRF
cis- 1,3 -Dichloropropene
ND
0.035
0.016
ND
0.16
0.074
0.702
2/15/21 15:40
BRF
trans- 1, 3 -Dichloropropene
ND
0.035
0.012
ND
0.16
0.054
0.702
2/15/21 15:40
BRF
1,2-Dichloro- 1, 1,2,2-tetrafluoroethane (Freon 114)
ND
0.035
0.020
ND
0.25
0.14
0.702
2/15/21 15:40
BRF
1,4-Dioxane
ND
0.35
0.098
ND
1.3
0.35
0.702
2/15/21 15:40
BRF
Ethanol
11
1.4
0.43
V-34
21
2.6
0.80
0.702
2/15/21 15:40
BRF
Ethyl Acetate
ND
0.35
0.21
ND
1.3
0.75
0.702
2/15/21 15:40
BRF
Ethylbenzene
0.027
0.035
0.0073
J
0.12
0.15
0.032
0.702
2/15/21 15:40
BRF
4-Ethyltoluene
ND
0.035
0.011
ND
0.17
0.053
0.702
2/15/21 15:40
BRF
Heptane
0.22
0.035
0.015
0.90
0.14
0.062
0.702
2/15/21 15:40
BRF
Hexachlorobutadiene
ND
0.035
0.016
ND
0.37
0.17
0.702
2/15/21 15:40
BRF
Hexane
ND
1.4
0.064
ND
4.9
0.22
0.702
2/15/21 15:40
BRF
2-Hexanone (MBK)
ND
0.035
0.020
ND
0.14
0.081
0.702
2/15/21 15:40
BRF
Isopropanol
0.71
1.4
0.32
J
1.7
3.4
0.79
0.702
2/15/21 15:40
BRF
Methyl tert-Butyl Ether (MTBE)
ND
0.035
0.014
ND
0.13
0.051
0.702
2/15/21 15:40
BRF
Methylene Chloride
0.78
0.35
0.081
2.7
1.2
0.28
0.702
2/15/21 15:40
BRF
4-Methyl-2-pentanone (MIBK)
ND
0.035
0.018
ND
0.14
0.075
0.702
2/15/21 15:40
BRF
Naphthalene
ND
0.035
0.020
Z-01
ND
0.18
0.10
0.702
2/15/21 15:40
BRF
Propene
ND
1.4
0.12
ND
2.4
0.20
0.702
2/15/21 15:40
BRF
Styrene
0.029
0.035
0.010
J
0.13
0.15
0.043
0.702
2/15/21 15:40
BRF
1,1,2,2-Tetrachloroethane
ND
0.035
0.0093
ND
0.24
0.064
0.702
2/15/21 15:40
BRF
Page 4 of 50

Con -test®
A Pace Analytical® Laboratory
Project Location: High Point, NC
Date Received: 2/9/2021
Field Sample #: A-2
Sample ID: 21BO366-01
Sample Matrix: Indoor air
Sampled: 2/9/2021 00:41
39 Spruce Street ` East Longmeadow, MA 01028 ` FAX [phone] " TEL. [phone]
ANALYTICAL RESULTS
Sample Description/Location:
Sub Description/Location:
Canister ID: 1976
Canister Size: 6 liter
Flow Controller ID: 3235
Sample Type: 8 hr
Work Order: 21BO366
Initial Vacuum(in Hg): -30
Final Vacuum(in Hg): -8
Receipt Vacuum(in Hg): -9.1
Flow Controller Type: Fixed -Orifice
Flow Controller Calibration
RPD Pre and Post -Sampling:
EPA TO-15
ppbv ug/m3 Date/Time
Analyte Results RL MDL Flag/Qual Results RL MDL Dilution Analyzed Analyst
Tetrachloroethylene
0.013
0.035
0.011
J 0.090
0.24
0.078
0.702
2/15/21 15:40
BRF
Tetrahydrofuran
ND
0.35
0.087
ND
1.0
0.26
0.702
2/15/21 15:40
BRF
Toluene
0.39
0.035
0.010
1.5
0.13
0.038
0.702
2/15/21 15:40
BRF
1,2,4-Trichlorobenzene
ND
0.035
0.021
ND
0.26
0.16
0.702
2/15/21 15:40
BRF
1, 1, 1 -Trichloroethane
ND
0.035
0.011
ND
0.19
0.062
0.702
2/15/21 15:40
BRF
1,1,2-Trichloroethane
ND
0.035
0.013
ND
0.19
0.070
0.702
2/15/21 15:40
BRF
Trichloroethylene
0.069
0.035
0.013
0.37
0.19
0.070
0.702
2/15/21 15:40
BRF
Trichlorofluoromethane (Freon 11)
0.21
0.14
0.027
1.2
0.79
0.15
0.702
2/15/21 15:40
BRF
1,1,2-Trichloro-1,2,2-trifluoroethane (Freon 113)
0.058
0.14
0.026
J 0.45
1.1
0.20
0.702
2/15/21 15:40
BRF
1,2,4-Trimethylbenzene
ND
0.035
0.0080
ND
0.17
0.039
0.702
2/15/21 15:40
BRF
1,3,5-Trimethylbenzene
ND
0.035
0.0091
ND
0.17
0.045
0.702
2/15/21 15:40
BRF
Vinyl Acetate
ND
0.70
0.098
ND
2.5
0.35
0.702
2/15/21 15:40
BRF
Vinyl Chloride
ND
0.035
0.020
ND
0.090
0.050
0.702
2/15/21 15:40
BRF
m&p-Xylene
0.083
0.070
0.012
0.36
0.30
0.053
0.702
2/15/21 15:40
BRF
o-Xylene
0.036
0.035
0.0094
0.16
0.15
0.041
0.702
2/15/21 15:40
BRF
Surrogates
4-Bromofluorobenzene (1)
% Recovery
97.6
% REC Limits
70-130
2/15/21 15:40
Page 5 of 50

Con -test®
A Pace Analytical® Laboratory
39 Spruce Street ` East Longmeadow, MA 01028 ` FAX [phone] " TEL. [phone]
ANALYTICAL RESULTS
Project Location: High Point, NC
Sample Description/Location:
Work Order: 21BO366
Date Received: 2/9/2021
Sub Description/Location:
Initial Vacuum(in Hg): -29
Field Sample #: A-1
Canister ID: 1327
Final Vacuum(in Hg): -7
Sample ID: 21BO366-02
Canister Size: 6 liter
Receipt Vacuum(in Hg): -9.6
Sample Matrix: Indoor air
Flow Controller ID: 3217
Flow Controller Type: Fixed -Orifice
Sampled: 2/9/2021 01:04
Sample Type: 8 hr
Flow Controller Calibration
RPD Pre and Post -Sampling:
Analyte
Results
ppbv
RL
EPA TO-15
MDL
Flag/Qual
Results
ug/m3
RI
MDL
Dilution
Date/Time
Analyzed
Analyst
Acetone
11
1.4
0.85
25
3.3
2.0
0.702
2/15/21 16:27
BRF
Benzene
0.16
0.035
0.010
0.52
0.11
0.033
0.702
2/15/21 16:27
BRF
Benzyl chloride
ND
0.035
0.016
ND
0.18
0.082
0.702
2/15/21 16:27
BRF
Bromodichloromethane
ND
0.035
0.0098
ND
0.24
0.065
0.702
2/15/21 16:27
BRF
Bromoform
ND
0.035
0.012
ND
0.36
0.12
0.702
2/15/21 16:27
BRF
Bromomethane
ND
0.035
0.019
ND
0.14
0.072
0.702
2/15/21 16:27
BRF
1,3-Butadiene
ND
0.035
0.026
ND
0.078
0.057
0.702
2/15/21 16:27
BRF
2-Butanone (MEK)
0.44
1.4
0.12
J
1.3
4.1
0.34
0.702
2/15/21 16:27
BRF
Carbon Disulfide
ND
0.35
0.089
ND
1.1
0.28
0.702
2/15/21 16:27
BRF
Carbon Tetrachloride
0.10
0.035
0.0093
0.63
0.22
0.059
0.702
2/15/21 16:27
BRF
Chlorobenzene
ND
0.035
0.0085
ND
0.16
0.039
0.702
2/15/21 16:27
BRF
Chloroethane
ND
0.035
0.034
ND
0.093
0.091
0.702
2/15/21 16:27
BRF
Chloroform
ND
0.035
0.0085
ND
0.17
0.041
0.702
2/15/21 16:27
BRF
Chloromethane
0.66
0.070
0.027
1.4
0.14
0.055
0.702
2/15/21 16:27
BRF
Cyclohexane
ND
0.035
0.017
ND
0.12
0.059
0.702
2/15/21 16:27
BRF
Dibromochloromethane
ND
0.035
0.012
ND
0.30
0.10
0.702
2/15/21 16:27
BRF
1,2-Dibromoethane (EDB)
ND
0.035
0.0091
ND
0.27
0.070
0.702
2/15/21 16:27
BRF
1,2-Dichlorobenzene
ND
0.035
0.013
ND
0.21
0.078
0.702
2/15/21 16:27
BRF
1,3-Dichlorobenzene
ND
0.035
0.013
ND
0.21
0.077
0.702
2/15/21 16:27
BRF
1,4-Dichlorobenzene
ND
0.035
0.0079
ND
0.21
0.047
0.702
2/15/21 16:27
BRF
Dichlorodifluoromethane (Freon 12)
ND
0.035
0.011
ND
0.17
0.054
0.702
2/15/21 16:27
BRF
1,1-Dichloroethane
ND
0.035
0.011
ND
0.14
0.045
0.702
2/15/21 16:27
BRF
1,2-Dichloroethane
0.12
0.035
0.013
0.47
0.14
0.052
0.702
2/15/21 16:27
BRF
1,1-Dichloroethylene
ND
0.035
0.019
ND
0.14
0.076
0.702
2/15/21 16:27
BRF
cis-1,2-Dichloroethylene
ND
0.035
0.012
ND
0.14
0.047
0.702
2/15/21 16:27
BRF
trans-1,2-Dichloroethylene
ND
0.035
0.010
ND
0.14
0.041
0.702
2/15/21 16:27
BRF
1,2-Dichloropropane
0.12
0.035
0.013
0.56
0.16
0.059
0.702
2/15/21 16:27
BRF
cis- 1,3 -Dichloropropene
ND
0.035
0.016
ND
0.16
0.074
0.702
2/15/21 16:27
BRF
trans- 1, 3 -Dichloropropene
ND
0.035
0.012
ND
0.16
0.054
0.702
2/15/21 16:27
BRF
1,2-Dichloro-1,1,2,2-tetrafluoroethane (Freon 114)
ND
0.035
0.020
ND
0.25
0.14
0.702
2/15/21 16:27
BRF
1,4-Dioxane
ND
0.35
0.098
ND
1.3
0.35
0.702
2/15/21 16:27
BRF
Ethanol
78
4.0
1.2
V-34
150
7.5
2.3
2
2/16/21 7:12
BRF
Ethyl Acetate
2.4
0.35
0.21
8.8
1.3
0.75
0.702
2/15/21 16:27
BRF
Ethylbenzene
0.055
0.035
0.0073
0.24
0.15
0.032
0.702
2/15/21 16:27
BRF
4-Ethyltoluene
ND
0.035
0.011
ND
0.17
0.053
0.702
2/15/21 16:27
BRF
Heptane
0.77
0.035
0.015
3.1
0.14
0.062
0.702
2/15/21 16:27
BRF
Hexachlorobutadiene
ND
0.035
0.016
ND
0.37
0.17
0.702
2/15/21 16:27
BRF
Hexane
ND
1.4
0.064
ND
4.9
0.22
0.702
2/15/21 16:27
BRF
2-Hexanone (MBK)
ND
0.035
0.020
ND
0.14
0.081
0.702
2/15/21 16:27
BRF
Isopropanol
1.3
1.4
0.32
J
3.1
3.4
0.79
0.702
2/15/21 16:27
BRF
Methyl tert-Butyl Ether (MTBE)
ND
0.035
0.014
ND
0.13
0.051
0.702
2/15/21 16:27
BRF
Methylene Chloride
0.75
0.35
0.081
2.6
1.2
0.28
0.702
2/15/21 16:27
BRF
4-Methyl-2-pentanone (MIBK)
ND
0.035
0.018
ND
0.14
0.075
0.702
2/15/21 16:27
BRF
Naphthalene
ND
0.035
0.020
Z-01
ND
0.18
0.10
0.702
2/15/21 16:27
BRF
Propene
ND
1.4
0.12
ND
2.4
0.20
0.702
2/15/21 16:27
BRF
Styrene
0.048
0.035
0.010
0.21
0.15
0.043
0.702
2/15/21 16:27
BRF
1,1,2,2-Tetrachloroethane
ND
0.035
0.0093
ND
0.24
0.064
0.702
2/15/21 16:27
BRF
Page 6 of 50

Con -test®
A Pace Analytical® Laboratory
Project Location: High Point, NC
Date Received: 2/9/2021
Field Sample #: A-1
Sample ID: 21BO366-02
Sample Matrix: Indoor air
Sampled: 2/9/2021 01:04
39 Spruce Street ` East Longmeadow, MA 01028 ` FAX [phone] " TEL. [phone]
ANALYTICAL RESULTS
Sample Description/Location:
Sub Description/Location:
Canister ID: 1327
Canister Size: 6 liter
Flow Controller ID: 3217
Sample Type: 8 hr
Work Order: 21BO366
Initial Vacuum(in Hg): -29
Final Vacuum(in Hg): -7
Receipt Vacuum(in Hg): -9.6
Flow Controller Type: Fixed -Orifice
Flow Controller Calibration
RPD Pre and Post -Sampling:
EPA TO-15
ppbv ug/m3 Date/Time
Analyte Results RL MDL Flag/Qual Results RL MDL Dilution Analyzed Analyst
Tetrachloroethylene
0.020
0.035
0.011 J
0.13
0.24
0.078
0.702
2/15/21 16:27
BRF
Tetrahydrofuran
ND
0.35
0.087
ND
1.0
0.26
0.702
2/15/21 16:27
BRF
Toluene
0.61
0.035
0.010
2.3
0.13
0.038
0.702
2/15/21 16:27
BRF
1,2,4-Trichlorobenzene
ND
0.035
0.021
ND
0.26
0.16
0.702
2/15/21 16:27
BRF
1, 1, 1 -Trichloroethane
ND
0.035
0.011
ND
0.19
0.062
0.702
2/15/21 16:27
BRF
1,1,2-Trichloroethane
ND
0.035
0.013
ND
0.19
0.070
0.702
2/15/21 16:27
BRF
Trichloroethylene
0.076
0.035
0.013
0.41
0.19
0.070
0.702
2/15/21 16:27
BRF
Trichlorofluoromethane (Freon 11)
0.20
0.14
0.027
1.1
0.79
0.15
0.702
2/15/21 16:27
BRF
1,1,2-Trichloro-1,2,2-trifluoroethane (Freon 113)
0.058
0.14
0.026 J
0.45
1.1
0.20
0.702
2/15/21 16:27
BRF
1,2,4-Trimethylbenzene
0.036
0.035
0.0080
0.18
0.17
0.039
0.702
2/15/21 16:27
BRF
1,3,5-Trimethylbenzene
ND
0.035
0.0091
ND
0.17
0.045
0.702
2/15/21 16:27
BRF
Vinyl Acetate
ND
0.70
0.098
ND
2.5
0.35
0.702
2/15/21 16:27
BRF
Vinyl Chloride
ND
0.035
0.020
ND
0.090
0.050
0.702
2/15/21 16:27
BRF
m&p-Xylene
0.19
0.070
0.012
0.82
0.30
0.053
0.702
2/15/21 16:27
BRF
o-Xylene
0.075
0.035
0.0094
0.33
0.15
0.041
0.702
2/15/21 16:27
BRF
Surrogates
4-Bromofluorobenzene (1)
4-Bromofluorobenzene (1)
% Recovery
% REC Limits
99.1 70-130
99.6 70-130
2/16/21 7:12
2/15/21 16:27
Page 7 of 50

Con -test®
A Pace Analytical® Laboratory
39 Spruce Street ` East Longmeadow, MA 01028 ` FAX [phone] " TEL. [phone]
ANALYTICAL RESULTS
Project Location: High Point, NC
Sample Description/Location:
Work Order: 21BO366
Date Received: 2/9/2021
Sub Description/Location:
Initial Vacuum(in Hg): -30
Field Sample #: A-4
Canister ID: 1857
Final Vacuum(in Hg): -10
Sample ID: 21BO366-03
Canister Size: 6 liter
Receipt Vacuum(in Hg): -10.3
Sample Matrix: Indoor air
Flow Controller ID: 3125
Flow Controller Type: Fixed -Orifice
Sampled: 2/9/2021 01:07
Sample Type: 8 hr
Flow Controller Calibration
RPD Pre and Post -Sampling:
Analyte
Results
ppbv
RL
EPA TO-15
MDL
Flag/Qual
Results
ug/m3
RI
MDL
Dilution
Date/Time
Analyzed
Analyst
Acetone
6.0
1.4
0.85
14
3.3
2.0
0.702
2/15/21 17:15
BRF
Benzene
0.17
0.035
0.010
0.53
0.11
0.033
0.702
2/15/21 17:15
BRF
Benzyl chloride
ND
0.035
0.016
ND
0.18
0.082
0.702
2/15/21 17:15
BRF
Bromodichloromethane
ND
0.035
0.0098
ND
0.24
0.065
0.702
2/15/21 17:15
BRF
Bromoform
ND
0.035
0.012
ND
0.36
0.12
0.702
2/15/21 17:15
BRF
Bromomethane
ND
0.035
0.019
ND
0.14
0.072
0.702
2/15/21 17:15
BRF
1,3-Butadiene
ND
0.035
0.026
ND
0.078
0.057
0.702
2/15/21 17:15
BRF
2-Butanone (MEK)
0.51
1.4
0.12
J
1.5
4.1
0.34
0.702
2/15/21 17:15
BRF
Carbon Disulfide
ND
0.35
0.089
ND
1.1
0.28
0.702
2/15/21 17:15
BRF
Carbon Tetrachloride
0.076
0.035
0.0093
0.48
0.22
0.059
0.702
2/15/21 17:15
BRF
Chlorobenzene
ND
0.035
0.0085
ND
0.16
0.039
0.702
2/15/21 17:15
BRF
Chloroethane
ND
0.035
0.034
ND
0.093
0.091
0.702
2/15/21 17:15
BRF
Chloroform
ND
0.035
0.0085
ND
0.17
0.041
0.702
2/15/21 17:15
BRF
Chloromethane
0.63
0.070
0.027
1.3
0.14
0.055
0.702
2/15/21 17:15
BRF
Cyclohexane
ND
0.035
0.017
ND
0.12
0.059
0.702
2/15/21 17:15
BRF
Dibromochloromethane
ND
0.035
0.012
ND
0.30
0.10
0.702
2/15/21 17:15
BRF
1,2-Dibromoethane (EDB)
ND
0.035
0.0091
ND
0.27
0.070
0.702
2/15/21 17:15
BRF
1,2-Dichlorobenzene
ND
0.035
0.013
ND
0.21
0.078
0.702
2/15/21 17:15
BRF
1,3-Dichlorobenzene
ND
0.035
0.013
ND
0.21
0.077
0.702
2/15/21 17:15
BRF
1,4-Dichlorobenzene
ND
0.035
0.0079
ND
0.21
0.047
0.702
2/15/21 17:15
BRF
Dichlorodifluoromethane (Freon 12)
ND
0.035
0.011
ND
0.17
0.054
0.702
2/15/21 17:15
BRF
1,1-Dichloroethane
ND
0.035
0.011
ND
0.14
0.045
0.702
2/15/21 17:15
BRF
1,2-Dichloroethane
ND
0.035
0.013
ND
0.14
0.052
0.702
2/15/21 17:15
BRF
1,1-Dichloroethylene
ND
0.035
0.019
ND
0.14
0.076
0.702
2/15/21 17:15
BRF
cis-1,2-Dichloroethylene
ND
0.035
0.012
ND
0.14
0.047
0.702
2/15/21 17:15
BRF
trans-1,2-Dichloroethylene
ND
0.035
0.010
ND
0.14
0.041
0.702
2/15/21 17:15
BRF
1,2-Dichloropropane
ND
0.035
0.013
ND
0.16
0.059
0.702
2/15/21 17:15
BRF
cis- 1,3 -Dichloropropene
ND
0.035
0.016
ND
0.16
0.074
0.702
2/15/21 17:15
BRF
trans- 1, 3 -Dichloropropene
ND
0.035
0.012
ND
0.16
0.054
0.702
2/15/21 17:15
BRF
1,2-Dichloro-1,1,2,2-tetrafluoroethane (Freon 114)
ND
0.035
0.020
ND
0.25
0.14
0.702
2/15/21 17:15
BRF
1,4-Dioxane
ND
0.35
0.098
ND
1.3
0.35
0.702
2/15/21 17:15
BRF
Ethanol
11
1.4
0.43
V-34
20
2.6
0.80
0.702
2/15/21 17:15
BRF
Ethyl Acetate
ND
0.35
0.21
ND
1.3
0.75
0.702
2/15/21 17:15
BRF
Ethylbenzene
0.034
0.035
0.0073
J
0.15
0.15
0.032
0.702
2/15/21 17:15
BRF
4-Ethyltoluene
ND
0.035
0.011
ND
0.17
0.053
0.702
2/15/21 17:15
BRF
Heptane
0.22
0.035
0.015
0.91
0.14
0.062
0.702
2/15/21 17:15
BRF
Hexachlorobutadiene
ND
0.035
0.016
ND
0.37
0.17
0.702
2/15/21 17:15
BRF
Hexane
ND
1.4
0.064
ND
4.9
0.22
0.702
2/15/21 17:15
BRF
2-Hexanone (MBK)
ND
0.035
0.020
ND
0.14
0.081
0.702
2/15/21 17:15
BRF
Isopropanol
0.69
1.4
0.32
J
1.7
3.4
0.79
0.702
2/15/21 17:15
BRF
Methyl tert-Butyl Ether (MTBE)
ND
0.035
0.014
ND
0.13
0.051
0.702
2/15/21 17:15
BRF
Methylene Chloride
0.96
0.35
0.081
3.3
1.2
0.28
0.702
2/15/21 17:15
BRF
4-Methyl-2-pentanone (MIBK)
ND
0.035
0.018
ND
0.14
0.075
0.702
2/15/21 17:15
BRF
Naphthalene
ND
0.035
0.020
Z-01
ND
0.18
0.10
0.702
2/15/21 17:15
BRF
Propene
ND
1.4
0.12
ND
2.4
0.20
0.702
2/15/21 17:15
BRF
Styrene
0.036
0.035
0.010
0.15
0.15
0.043
0.702
2/15/21 17:15
BRF
1,1,2,2-Tetrachloroethane
ND
0.035
0.0093
ND
0.24
0.064
0.702
2/15/21 17:15
BRF
Page 8 of 50

Con -test®
A Pace Analytical® Laboratory
Project Location: High Point, NC
Date Received: 2/9/2021
Field Sample #: A-4
Sample ID: 21BO366-03
Sample Matrix: Indoor air
Sampled: 2/9/2021 01:07
39 Spruce Street ` East Longmeadow, MA 01028 ` FAX [phone] " TEL. [phone]
ANALYTICAL RESULTS
Sample Description/Location:
Sub Description/Location:
Canister ID: 1857
Canister Size: 6 liter
Flow Controller ID: 3125
Sample Type: 8 hr
Work Order: 21BO366
Initial Vacuum(in Hg): -30
Final Vacuum(in Hg): -10
Receipt Vacuum(in Hg): -10.3
Flow Controller Type: Fixed -Orifice
Flow Controller Calibration
RPD Pre and Post -Sampling:
EPA TO-15
ppbv ug/m3 Date/Time
Analyte Results RL MDL Flag/Qual Results RL MDL Dilution Analyzed Analyst
Tetrachloroethylene
0.022
0.035
0.011 J
0.15
0.24
0.078
0.702
2/15/21 17:15
BRF
Tetrahydrofuran
ND
0.35
0.087
ND
1.0
0.26
0.702
2/15/21 17:15
BRF
Toluene
0.43
0.035
0.010
1.6
0.13
0.038
0.702
2/15/21 17:15
BRF
1,2,4-Trichlorobenzene
ND
0.035
0.021
ND
0.26
0.16
0.702
2/15/21 17:15
BRF
1, 1, 1 -Trichloroethane
ND
0.035
0.011
ND
0.19
0.062
0.702
2/15/21 17:15
BRF
1,1,2-Trichloroethane
ND
0.035
0.013
ND
0.19
0.070
0.702
2/15/21 17:15
BRF
Trichloroethylene
0.085
0.035
0.013
0.46
0.19
0.070
0.702
2/15/21 17:15
BRF
Trichlorofluoromethane (Freon 11)
0.20
0.14
0.027
1.1
0.79
0.15
0.702
2/15/21 17:15
BRF
1,1,2-Trichloro-1,2,2-trifluoroethane (Freon 113)
0.059
0.14
0.026 J
0.45
1.1
0.20
0.702
2/15/21 17:15
BRF
1,2,4-Trimethylbenzene
ND
0.035
0.0080
ND
0.17
0.039
0.702
2/15/21 17:15
BRF
1,3,5-Trimethylbenzene
ND
0.035
0.0091
ND
0.17
0.045
0.702
2/15/21 17:15
BRF
Vinyl Acetate
ND
0.70
0.098
ND
2.5
0.35
0.702
2/15/21 17:15
BRF
Vinyl Chloride
ND
0.035
0.020
ND
0.090
0.050
0.702
2/15/21 17:15
BRF
m&p-Xylene
0.11
0.070
0.012
0.46
0.30
0.053
0.702
2/15/21 17:15
BRF
o-Xylene
0.044
0.035
0.0094
0.19
0.15
0.041
0.702
2/15/21 17:15
BRF
Surrogates
4-Bromofluorobenzene (1)
% Recovery
98.9
% REC Limits
70-130
2/15/21 17:15
Page 9 of 50

Con -test®
A Pace Analytical® Laboratory
39 Spruce Street ` East Longmeadow, MA 01028 ` FAX [phone] " TEL. [phone]
ANALYTICAL RESULTS
Project Location: High Point, NC
Sample Description/Location:
Work Order: 21BO366
Date Received: 2/9/2021
Sub Description/Location:
Initial Vacuum(in Hg): -29
Field Sample #: A-5
Canister ID: 2458
Final Vacuum(in Hg): -8
Sample ID: 21BO366-04
Canister Size: 6 liter
Receipt Vacuum(in Hg): -9.8
Sample Matrix: Indoor air
Flow Controller ID: 3313
Flow Controller Type: Fixed -Orifice
Sampled: 2/9/2021 02:06
Sample Type: 8 hr
Flow Controller Calibration
RPD Pre and Post -Sampling:
Analyte
Results
ppbv
RL
EPA TO-15
MDL
Flag/Qual
Results
ug/m3
RI
MDL
Dilution
Date/Time
Analyzed
Analyst
Acetone
3.6
1.4
0.85
8.7
3.3
2.0
0.702
2/15/21 18:02
BRF
Benzene
0.17
0.035
0.010
0.54
0.11
0.033
0.702
2/15/21 18:02
BRF
Benzyl chloride
ND
0.035
0.016
ND
0.18
0.082
0.702
2/15/21 18:02
BRF
Bromodichloromethane
ND
0.035
0.0098
ND
0.24
0.065
0.702
2/15/21 18:02
BRF
Bromoform
ND
0.035
0.012
ND
0.36
0.12
0.702
2/15/21 18:02
BRF
Bromomethane
ND
0.035
0.019
ND
0.14
0.072
0.702
2/15/21 18:02
BRF
1,3-Butadiene
ND
0.035
0.026
ND
0.078
0.057
0.702
2/15/21 18:02
BRF
2-Butanone (MEK)
0.31
1.4
0.12
J
0.93
4.1
0.34
0.702
2/15/21 18:02
BRF
Carbon Disulfide
ND
0.35
0.089
ND
1.1
0.28
0.702
2/15/21 18:02
BRF
Carbon Tetrachloride
0.078
0.035
0.0093
0.49
0.22
0.059
0.702
2/15/21 18:02
BRF
Chlorobenzene
ND
0.035
0.0085
ND
0.16
0.039
0.702
2/15/21 18:02
BRF
Chloroethane
ND
0.035
0.034
ND
0.093
0.091
0.702
2/15/21 18:02
BRF
Chloroform
ND
0.035
0.0085
ND
0.17
0.041
0.702
2/15/21 18:02
BRF
Chloromethane
ND
0.070
0.027
ND
0.14
0.055
0.702
2/15/21 18:02
BRF
Cyclohexane
ND
0.035
0.017
ND
0.12
0.059
0.702
2/15/21 18:02
BRF
Dibromochloromethane
ND
0.035
0.012
ND
0.30
0.10
0.702
2/15/21 18:02
BRF
1,2-Dibromoethane (EDB)
ND
0.035
0.0091
ND
0.27
0.070
0.702
2/15/21 18:02
BRF
1,2-Dichlorobenzene
ND
0.035
0.013
ND
0.21
0.078
0.702
2/15/21 18:02
BRF
1,3-Dichlorobenzene
ND
0.035
0.013
ND
0.21
0.077
0.702
2/15/21 18:02
BRF
1,4-Dichlorobenzene
ND
0.035
0.0079
ND
0.21
0.047
0.702
2/15/21 18:02
BRF
Dichlorodifluoromethane (Freon 12)
0.24
0.035
0.011
1.2
0.17
0.054
0.702
2/15/21 18:02
BRF
1,1-Dichloroethane
ND
0.035
0.011
ND
0.14
0.045
0.702
2/15/21 18:02
BRF
1,2-Dichloroethane
ND
0.035
0.013
ND
0.14
0.052
0.702
2/15/21 18:02
BRF
1,1-Dichloroethylene
ND
0.035
0.019
ND
0.14
0.076
0.702
2/15/21 18:02
BRF
cis-1,2-Dichloroethylene
ND
0.035
0.012
ND
0.14
0.047
0.702
2/15/21 18:02
BRF
trans-1,2-Dichloroethylene
ND
0.035
0.010
ND
0.14
0.041
0.702
2/15/21 18:02
BRF
1,2-Dichloropropane
ND
0.035
0.013
ND
0.16
0.059
0.702
2/15/21 18:02
BRF
cis- 1,3 -Dichloropropene
ND
0.035
0.016
ND
0.16
0.074
0.702
2/15/21 18:02
BRF
trans- 1, 3 -Dichloropropene
ND
0.035
0.012
ND
0.16
0.054
0.702
2/15/21 18:02
BRF
1,2-Dichloro-1,1,2,2-tetrafluoroethane (Freon 114)
ND
0.035
0.020
ND
0.25
0.14
0.702
2/15/21 18:02
BRF
1,4-Dioxane
ND
0.35
0.098
ND
1.3
0.35
0.702
2/15/21 18:02
BRF
Ethanol
4.9
1.4
0.43
V-34
9.2
2.6
0.80
0.702
2/15/21 18:02
BRF
Ethyl Acetate
ND
0.35
0.21
ND
1.3
0.75
0.702
2/15/21 18:02
BRF
Ethylbenzene
0.032
0.035
0.0073
J
0.14
0.15
0.032
0.702
2/15/21 18:02
BRF
4-Ethyltoluene
ND
0.035
0.011
ND
0.17
0.053
0.702
2/15/21 18:02
BRF
Heptane
0.22
0.035
0.015
0.92
0.14
0.062
0.702
2/15/21 18:02
BRF
Hexachlorobutadiene
ND
0.035
0.016
ND
0.37
0.17
0.702
2/15/21 18:02
BRF
Hexane
ND
1.4
0.064
ND
4.9
0.22
0.702
2/15/21 18:02
BRF
2-Hexanone (MBK)
ND
0.035
0.020
ND
0.14
0.081
0.702
2/15/21 18:02
BRF
Isopropanol
0.64
1.4
0.32
J
1.6
3.4
0.79
0.702
2/15/21 18:02
BRF
Methyl tert-Butyl Ether (MTBE)
ND
0.035
0.014
ND
0.13
0.051
0.702
2/15/21 18:02
BRF
Methylene Chloride
0.31
0.35
0.081
J
1.1
1.2
0.28
0.702
2/15/21 18:02
BRF
4-Methyl-2-pentanone (MIBK)
ND
0.035
0.018
ND
0.14
0.075
0.702
2/15/21 18:02
BRF
Naphthalene
ND
0.035
0.020
Z-01
ND
0.18
0.10
0.702
2/15/21 18:02
BRF
Propene
ND
1.4
0.12
ND
2.4
0.20
0.702
2/15/21 18:02
BRF
Styrene
ND
0.035
0.010
ND
0.15
0.043
0.702
2/15/21 18:02
BRF
1,1,2,2-Tetrachloroethane
ND
0.035
0.0093
ND
0.24
0.064
0.702
2/15/21 18:02
BRF
Page 10 of 50

Con -test®
A Pace Analytical® Laboratory
Project Location: High Point, NC
Date Received: 2/9/2021
Field Sample #: A-5
Sample ID: 21BO366-04
Sample Matrix: Indoor air
Sampled: 2/9/2021 02:06
39 Spruce Street ` East Longmeadow, MA 01028 ` FAX [phone] " TEL. [phone]
ANALYTICAL RESULTS
Sample Description/Location:
Sub Description/Location:
Canister ID: 2458
Canister Size: 6 liter
Flow Controller ID: 3313
Sample Type: 8 hr
Work Order: 21BO366
Initial Vacuum(in Hg): -29
Final Vacuum(in Hg): -8
Receipt Vacuum(in Hg): -9.8
Flow Controller Type: Fixed -Orifice
Flow Controller Calibration
RPD Pre and Post -Sampling:
EPA TO-15
ppbv ug/m3 Date/Time
Analyte Results RL MDL Flag/Qual Results RL MDL Dilution Analyzed Analyst
Tetrachloroethylene
0.017
0.035
0.011 J
0.11
0.24
0.078
0.702
2/15/21 18:02
BRF
Tetrahydrofuran
0.13
0.35
0.087 J
0.39
1.0
0.26
0.702
2/15/21 18:02
BRF
Toluene
0.39
0.035
0.010
1.5
0.13
0.038
0.702
2/15/21 18:02
BRF
1,2,4-Trichlorobenzene
ND
0.035
0.021
ND
0.26
0.16
0.702
2/15/21 18:02
BRF
1, 1, 1 -Trichloroethane
ND
0.035
0.011
ND
0.19
0.062
0.702
2/15/21 18:02
BRF
1,1,2-Trichloroethane
ND
0.035
0.013
ND
0.19
0.070
0.702
2/15/21 18:02
BRF
Trichloroethylene
0.081
0.035
0.013
0.44
0.19
0.070
0.702
2/15/21 18:02
BRF
Trichlorofluoromethane (Freon 11)
0.21
0.14
0.027
1.2
0.79
0.15
0.702
2/15/21 18:02
BRF
1,1,2-Trichloro-1,2,2-trifluoroethane (Freon 113)
0.057
0.14
0.026 J
0.44
1.1
0.20
0.702
2/15/21 18:02
BRF
1,2,4-Trimethylbenzene
ND
0.035
0.0080
ND
0.17
0.039
0.702
2/15/21 18:02
BRF
1,3,5-Trimethylbenzene
ND
0.035
0.0091
ND
0.17
0.045
0.702
2/15/21 18:02
BRF
Vinyl Acetate
ND
0.70
0.098
ND
2.5
0.35
0.702
2/15/21 18:02
BRF
Vinyl Chloride
ND
0.035
0.020
ND
0.090
0.050
0.702
2/15/21 18:02
BRF
m&p-Xylene
0.094
0.070
0.012
0.41
0.30
0.053
0.702
2/15/21 18:02
BRF
o-Xylene
0.038
0.035
0.0094
0.16
0.15
0.041
0.702
2/15/21 18:02
BRF
Surrogates
4-Bromofluorobenzene (1)
% Recovery
99.6
% REC Limits
70-130
2/15/21 18:02
Page 11 of 50

Con -test®
A Pace Analytical® Laboratory
39 Spruce Street ` East Longmeadow, MA 01028 ` FAX [phone] " TEL. [phone]
ANALYTICAL RESULTS
Project Location: High Point, NC
Sample Description/Location:
Work Order: 21BO366
Date Received: 2/9/2021
Sub Description/Location:
Initial Vacuum(in Hg): -28
Field Sample #: A-7
Canister ID: 2446
Final Vacuum(in Hg): -5
Sample ID: 21BO366-05
Canister Size: 6 liter
Receipt Vacuum(in Hg): -7.7
Sample Matrix: Indoor air
Flow Controller ID: 3314
Flow Controller Type: Fixed -Orifice
Sampled: 2/9/2021 01:00
Sample Type: 8 hr
Flow Controller Calibration
RPD Pre and Post -Sampling:
Analyte
Results
ppbv
RL
EPA TO-15
MDL
Flag/Qual
Results
ug/m3
RI
MDL
Dilution
Date/Time
Analyzed
Analyst
Acetone
5.6
1.4
0.85
13
3.3
2.0
0.702
2/15/21 18:49
BRF
Benzene
0.16
0.035
0.010
0.52
0.11
0.033
0.702
2/15/21 18:49
BRF
Benzyl chloride
ND
0.035
0.016
ND
0.18
0.082
0.702
2/15/21 18:49
BRF
Bromodichloromethane
ND
0.035
0.0098
ND
0.24
0.065
0.702
2/15/21 18:49
BRF
Bromoform
ND
0.035
0.012
ND
0.36
0.12
0.702
2/15/21 18:49
BRF
Bromomethane
ND
0.035
0.019
ND
0.14
0.072
0.702
2/15/21 18:49
BRF
1,3-Butadiene
ND
0.035
0.026
ND
0.078
0.057
0.702
2/15/21 18:49
BRF
2-Butanone (MEK)
0.30
1.4
0.12
J
0.89
4.1
0.34
0.702
2/15/21 18:49
BRF
Carbon Disulfide
ND
0.35
0.089
ND
1.1
0.28
0.702
2/15/21 18:49
BRF
Carbon Tetrachloride
0.080
0.035
0.0093
0.50
0.22
0.059
0.702
2/15/21 18:49
BRF
Chlorobenzene
ND
0.035
0.0085
ND
0.16
0.039
0.702
2/15/21 18:49
BRF
Chloroethane
ND
0.035
0.034
ND
0.093
0.091
0.702
2/15/21 18:49
BRF
Chloroform
ND
0.035
0.0085
ND
0.17
0.041
0.702
2/15/21 18:49
BRF
Chloromethane
0.60
0.070
0.027
1.2
0.14
0.055
0.702
2/15/21 18:49
BRF
Cyclohexane
ND
0.035
0.017
ND
0.12
0.059
0.702
2/15/21 18:49
BRF
Dibromochloromethane
ND
0.035
0.012
ND
0.30
0.10
0.702
2/15/21 18:49
BRF
1,2-Dibromoethane (EDB)
ND
0.035
0.0091
ND
0.27
0.070
0.702
2/15/21 18:49
BRF
1,2-Dichlorobenzene
ND
0.035
0.013
ND
0.21
0.078
0.702
2/15/21 18:49
BRF
1,3-Dichlorobenzene
ND
0.035
0.013
ND
0.21
0.077
0.702
2/15/21 18:49
BRF
1,4-Dichlorobenzene
ND
0.035
0.0079
ND
0.21
0.047
0.702
2/15/21 18:49
BRF
Dichlorodifluoromethane (Freon 12)
0.27
0.035
0.011
1.3
0.17
0.054
0.702
2/15/21 18:49
BRF
1,1-Dichloroethane
ND
0.035
0.011
ND
0.14
0.045
0.702
2/15/21 18:49
BRF
1,2-Dichloroethane
ND
0.035
0.013
ND
0.14
0.052
0.702
2/15/21 18:49
BRF
1,1-Dichloroethylene
ND
0.035
0.019
ND
0.14
0.076
0.702
2/15/21 18:49
BRF
cis-1,2-Dichloroethylene
ND
0.035
0.012
ND
0.14
0.047
0.702
2/15/21 18:49
BRF
trans-1,2-Dichloroethylene
ND
0.035
0.010
ND
0.14
0.041
0.702
2/15/21 18:49
BRF
1,2-Dichloropropane
ND
0.035
0.013
ND
0.16
0.059
0.702
2/15/21 18:49
BRF
cis- 1,3 -Dichloropropene
ND
0.035
0.016
ND
0.16
0.074
0.702
2/15/21 18:49
BRF
trans- 1, 3 -Dichloropropene
ND
0.035
0.012
ND
0.16
0.054
0.702
2/15/21 18:49
BRF
1,2-Dichloro-1,1,2,2-tetrafluoroethane (Freon 114)
ND
0.035
0.020
ND
0.25
0.14
0.702
2/15/21 18:49
BRF
1,4-Dioxane
ND
0.35
0.098
ND
1.3
0.35
0.702
2/15/21 18:49
BRF
Ethanol
4.7
1.4
0.43
V-34
8.8
2.6
0.80
0.702
2/15/21 18:49
BRF
Ethyl Acetate
ND
0.35
0.21
ND
1.3
0.75
0.702
2/15/21 18:49
BRF
Ethylbenzene
0.032
0.035
0.0073
J
0.14
0.15
0.032
0.702
2/15/21 18:49
BRF
4-Ethyltoluene
ND
0.035
0.011
ND
0.17
0.053
0.702
2/15/21 18:49
BRF
Heptane
0.20
0.035
0.015
0.84
0.14
0.062
0.702
2/15/21 18:49
BRF
Hexachlorobutadiene
ND
0.035
0.016
ND
0.37
0.17
0.702
2/15/21 18:49
BRF
Hexane
ND
1.4
0.064
ND
4.9
0.22
0.702
2/15/21 18:49
BRF
2-Hexanone (MBK)
ND
0.035
0.020
ND
0.14
0.081
0.702
2/15/21 18:49
BRF
Isopropanol
0.65
1.4
0.32
J
1.6
3.4
0.79
0.702
2/15/21 18:49
BRF
Methyl tert-Butyl Ether (MTBE)
ND
0.035
0.014
ND
0.13
0.051
0.702
2/15/21 18:49
BRF
Methylene Chloride
0.76
0.35
0.081
2.6
1.2
0.28
0.702
2/15/21 18:49
BRF
4-Methyl-2-pentanone (MIBK)
ND
0.035
0.018
ND
0.14
0.075
0.702
2/15/21 18:49
BRF
Naphthalene
ND
0.035
0.020
Z-01
ND
0.18
0.10
0.702
2/15/21 18:49
BRF
Propene
ND
1.4
0.12
ND
2.4
0.20
0.702
2/15/21 18:49
BRF
Styrene
ND
0.035
0.010
ND
0.15
0.043
0.702
2/15/21 18:49
BRF
1,1,2,2-Tetrachloroethane
ND
0.035
0.0093
ND
0.24
0.064
0.702
2/15/21 18:49
BRF
Page 12 of 50

Con -test®
A Pace Analytical® Laboratory
Project Location: High Point, NC
Date Received: 2/9/2021
Field Sample #: A-7
Sample ID: 21BO366-05
Sample Matrix: Indoor air
Sampled: 2/9/2021 01:00
39 Spruce Street ` East Longmeadow, MA 01028 ` FAX [phone] " TEL. [phone]
ANALYTICAL RESULTS
Sample Description/Location:
Sub Description/Location:
Canister ID: 2446
Canister Size: 6 liter
Flow Controller ID: 3314
Sample Type: 8 hr
Work Order: 21BO366
Initial Vacuum(in Hg): -28
Final Vacuum(in Hg): -5
Receipt Vacuum(in Hg): -7.7
Flow Controller Type: Fixed -Orifice
Flow Controller Calibration
RPD Pre and Post -Sampling:
EPA TO-15
ppbv ug/m3 Date/Time
Analyte Results RL MDL Flag/Qual Results RL MDL Dilution Analyzed Analyst
Tetrachloroethylene
0.017
0.035
0.011 J
0.11
0.24
0.078
0.702
2/15/21 18:49
BRF
Tetrahydrofuran
0.13
0.35
0.087 J
0.38
1.0
0.26
0.702
2/15/21 18:49
BRF
Toluene
0.40
0.035
0.010
1.5
0.13
0.038
0.702
2/15/21 18:49
BRF
1,2,4-Trichlorobenzene
ND
0.035
0.021
ND
0.26
0.16
0.702
2/15/21 18:49
BRF
1, 1, 1 -Trichloroethane
ND
0.035
0.011
ND
0.19
0.062
0.702
2/15/21 18:49
BRF
1,1,2-Trichloroethane
ND
0.035
0.013
ND
0.19
0.070
0.702
2/15/21 18:49
BRF
Trichloroethylene
0.088
0.035
0.013
0.48
0.19
0.070
0.702
2/15/21 18:49
BRF
Trichlorofluoromethane (Freon 11)
0.20
0.14
0.027
1.1
0.79
0.15
0.702
2/15/21 18:49
BRF
1,1,2-Trichloro-1,2,2-trifluoroethane (Freon 113)
ND
0.14
0.026
ND
1.1
0.20
0.702
2/15/21 18:49
BRF
1,2,4-Trimethylbenzene
ND
0.035
0.0080
ND
0.17
0.039
0.702
2/15/21 18:49
BRF
1,3,5-Trimethylbenzene
ND
0.035
0.0091
ND
0.17
0.045
0.702
2/15/21 18:49
BRF
Vinyl Acetate
ND
0.70
0.098
ND
2.5
0.35
0.702
2/15/21 18:49
BRF
Vinyl Chloride
ND
0.035
0.020
ND
0.090
0.050
0.702
2/15/21 18:49
BRF
m&p-Xylene
0.10
0.070
0.012
0.44
0.30
0.053
0.702
2/15/21 18:49
BRF
o-Xylene
0.041
0.035
0.0094
0.18
0.15
0.041
0.702
2/15/21 18:49
BRF
Surrogates
4-Bromofluorobenzene (1)
% Recovery
101
% REC Limits
70-130
2/15/21 18:49
Page 13 of 50

Con -test®
A Pace Analytical® Laboratory
39 Spruce Street ` East Longmeadow, MA 01028 ` FAX [phone] " TEL. [phone]
ANALYTICAL RESULTS
Project Location: High Point, NC
Sample Description/Location:
Work Order: 21BO366
Date Received: 2/9/2021
Sub Description/Location:
Initial Vacuum(in Hg): -30
Field Sample #: A-15
Canister ID: 1474
Final Vacuum(in Hg): -9
Sample ID: 21BO366-06
Canister Size: 6 liter
Receipt Vacuum(in Hg): -9.4
Sample Matrix: Indoor air
Flow Controller ID: 3102
Flow Controller Type: Fixed -Orifice
Sampled: 2/9/2021 01:20
Sample Type: 8 hr
Flow Controller Calibration
RPD Pre and Post -Sampling:
Analyte
Results
ppbv
RL
EPA TO-15
MDL
Flag/Qual
Results
ug/m3
RI
MDL
Dilution
Date/Time
Analyzed
Analyst
Acetone
7.1
1.4
0.85
17
3.3
2.0
0.702
2/15/21 19:36
BRF
Benzene
0.17
0.035
0.010
0.53
0.11
0.033
0.702
2/15/21 19:36
BRF
Benzyl chloride
ND
0.035
0.016
ND
0.18
0.082
0.702
2/15/21 19:36
BRF
Bromodichloromethane
ND
0.035
0.0098
ND
0.24
0.065
0.702
2/15/21 19:36
BRF
Bromoform
ND
0.035
0.012
ND
0.36
0.12
0.702
2/15/21 19:36
BRF
Bromomethane
ND
0.035
0.019
ND
0.14
0.072
0.702
2/15/21 19:36
BRF
1,3-Butadiene
ND
0.035
0.026
ND
0.078
0.057
0.702
2/15/21 19:36
BRF
2-Butanone (MEK)
0.70
1.4
0.12
J
2.1
4.1
0.34
0.702
2/15/21 19:36
BRF
Carbon Disulfide
ND
0.35
0.089
ND
1.1
0.28
0.702
2/15/21 19:36
BRF
Carbon Tetrachloride
0.081
0.035
0.0093
0.51
0.22
0.059
0.702
2/15/21 19:36
BRF
Chlorobenzene
ND
0.035
0.0085
ND
0.16
0.039
0.702
2/15/21 19:36
BRF
Chloroethane
ND
0.035
0.034
ND
0.093
0.091
0.702
2/15/21 19:36
BRF
Chloroform
ND
0.035
0.0085
ND
0.17
0.041
0.702
2/15/21 19:36
BRF
Chloromethane
ND
0.070
0.027
ND
0.14
0.055
0.702
2/15/21 19:36
BRF
Cyclohexane
ND
0.035
0.017
ND
0.12
0.059
0.702
2/15/21 19:36
BRF
Dibromochloromethane
ND
0.035
0.012
ND
0.30
0.10
0.702
2/15/21 19:36
BRF
1,2-Dibromoethane (EDB)
ND
0.035
0.0091
ND
0.27
0.070
0.702
2/15/21 19:36
BRF
1,2-Dichlorobenzene
ND
0.035
0.013
ND
0.21
0.078
0.702
2/15/21 19:36
BRF
1,3-Dichlorobenzene
ND
0.035
0.013
ND
0.21
0.077
0.702
2/15/21 19:36
BRF
1,4-Dichlorobenzene
ND
0.035
0.0079
ND
0.21
0.047
0.702
2/15/21 19:36
BRF
Dichlorodifluoromethane (Freon 12)
0.24
0.035
0.011
1.2
0.17
0.054
0.702
2/15/21 19:36
BRF
1,1-Dichloroethane
ND
0.035
0.011
ND
0.14
0.045
0.702
2/15/21 19:36
BRF
1,2-Dichloroethane
ND
0.035
0.013
ND
0.14
0.052
0.702
2/15/21 19:36
BRF
1,1-Dichloroethylene
ND
0.035
0.019
ND
0.14
0.076
0.702
2/15/21 19:36
BRF
cis-1,2-Dichloroethylene
ND
0.035
0.012
ND
0.14
0.047
0.702
2/15/21 19:36
BRF
trans-1,2-Dichloroethylene
ND
0.035
0.010
ND
0.14
0.041
0.702
2/15/21 19:36
BRF
1,2-Dichloropropane
ND
0.035
0.013
ND
0.16
0.059
0.702
2/15/21 19:36
BRF
cis- 1,3 -Dichloropropene
ND
0.035
0.016
ND
0.16
0.074
0.702
2/15/21 19:36
BRF
trans- 1, 3 -Dichloropropene
ND
0.035
0.012
ND
0.16
0.054
0.702
2/15/21 19:36
BRF
1,2-Dichloro-1,1,2,2-tetrafluoroethane (Freon 114)
ND
0.035
0.020
ND
0.25
0.14
0.702
2/15/21 19:36
BRF
1,4-Dioxane
ND
0.35
0.098
ND
1.3
0.35
0.702
2/15/21 19:36
BRF
Ethanol
6.9
1.4
0.43
V-34
13
2.6
0.80
0.702
2/15/21 19:36
BRF
Ethyl Acetate
ND
0.35
0.21
ND
1.3
0.75
0.702
2/15/21 19:36
BRF
Ethylbenzene
0.048
0.035
0.0073
0.21
0.15
0.032
0.702
2/15/21 19:36
BRF
4-Ethyltoluene
ND
0.035
0.011
ND
0.17
0.053
0.702
2/15/21 19:36
BRF
Heptane
0.27
0.035
0.015
1.1
0.14
0.062
0.702
2/15/21 19:36
BRF
Hexachlorobutadiene
ND
0.035
0.016
ND
0.37
0.17
0.702
2/15/21 19:36
BRF
Hexane
ND
1.4
0.064
ND
4.9
0.22
0.702
2/15/21 19:36
BRF
2-Hexanone (MBK)
ND
0.035
0.020
ND
0.14
0.081
0.702
2/15/21 19:36
BRF
Isopropanol
0.93
1.4
0.32
J
2.3
3.4
0.79
0.702
2/15/21 19:36
BRF
Methyl tert-Butyl Ether (MTBE)
ND
0.035
0.014
ND
0.13
0.051
0.702
2/15/21 19:36
BRF
Methylene Chloride
0.49
0.35
0.081
1.7
1.2
0.28
0.702
2/15/21 19:36
BRF
4-Methyl-2-pentanone (MIBK)
ND
0.035
0.018
ND
0.14
0.075
0.702
2/15/21 19:36
BRF
Naphthalene
ND
0.035
0.020
Z-01
ND
0.18
0.10
0.702
2/15/21 19:36
BRF
Propene
ND
1.4
0.12
ND
2.4
0.20
0.702
2/15/21 19:36
BRF
Styrene
ND
0.035
0.010
ND
0.15
0.043
0.702
2/15/21 19:36
BRF
1,1,2,2-Tetrachloroethane
ND
0.035
0.0093
ND
0.24
0.064
0.702
2/15/21 19:36
BRF
Page 14 of 50

Con -test®
A Pace Analytical® Laboratory
Project Location: High Point, NC
Date Received: 2/9/2021
Field Sample #: A-15
Sample ID: 21BO366-06
Sample Matrix: Indoor air
Sampled: 2/9/2021 01:20
39 Spruce Street ` East Longmeadow, MA 01028 ` FAX [phone] " TEL. [phone]
ANALYTICAL RESULTS
Sample Description/Location:
Sub Description/Location:
Canister ID: 1474
Canister Size: 6 liter
Flow Controller ID: 3102
Sample Type: 8 hr
Work Order: 21BO366
Initial Vacuum(in Hg): -30
Final Vacuum(in Hg): -9
Receipt Vacuum(in Hg): -9.4
Flow Controller Type: Fixed -Orifice
Flow Controller Calibration
RPD Pre and Post -Sampling:
EPA TO-15
ppbv ug/m3 Date/Time
Analyte Results RL MDL Flag/Qual Results RL MDL Dilution Analyzed Analyst
Tetrachloroethylene
0.016
0.035
0.011
J 0.11
0.24
0.078
0.702
2/15/21 19:36
BRF
Tetrahydrofuran
ND
0.35
0.087
ND
1.0
0.26
0.702
2/15/21 19:36
BRF
Toluene
0.42
0.035
0.010
1.6
0.13
0.038
0.702
2/15/21 19:36
BRF
1,2,4-Trichlorobenzene
ND
0.035
0.021
ND
0.26
0.16
0.702
2/15/21 19:36
BRF
1, 1, 1 -Trichloroethane
ND
0.035
0.011
ND
0.19
0.062
0.702
2/15/21 19:36
BRF
1,1,2-Trichloroethane
ND
0.035
0.013
ND
0.19
0.070
0.702
2/15/21 19:36
BRF
Trichloroethylene
0.079
0.035
0.013
0.42
0.19
0.070
0.702
2/15/21 19:36
BRF
Trichlorofluoromethane (Freon 11)
0.21
0.14
0.027
1.2
0.79
0.15
0.702
2/15/21 19:36
BRF
1,1,2-Trichloro-1,2,2-trifluoroethane (Freon 113)
ND
0.14
0.026
ND
1.1
0.20
0.702
2/15/21 19:36
BRF
1,2,4-Trimethylbenzene
ND
0.035
0.0080
ND
0.17
0.039
0.702
2/15/21 19:36
BRF
1,3,5-Trimethylbenzene
ND
0.035
0.0091
ND
0.17
0.045
0.702
2/15/21 19:36
BRF
Vinyl Acetate
ND
0.70
0.098
ND
2.5
0.35
0.702
2/15/21 19:36
BRF
Vinyl Chloride
ND
0.035
0.020
ND
0.090
0.050
0.702
2/15/21 19:36
BRF
m&p-Xylene
0.16
0.070
0.012
0.71
0.30
0.053
0.702
2/15/21 19:36
BRF
o-Xylene
0.057
0.035
0.0094
0.25
0.15
0.041
0.702
2/15/21 19:36
BRF
Surrogates
4-Bromofluorobenzene (1)
% Recovery
98.6
% REC Limits
70-130
2/15/21 19:36
Page 15 of 50

Con -test®
A Pace Analytical® Laboratory
39 Spruce Street ` East Longmeadow, MA 01028 ` FAX [phone] " TEL. [phone]
ANALYTICAL RESULTS
Project Location: High Point, NC
Sample Description/Location:
Work Order: 21BO366
Date Received: 2/9/2021
Sub Description/Location:
Initial Vacuum(in Hg): -29
Field Sample #: A-10
Canister ID: 1504
Final Vacuum(in Hg): -8
Sample ID: 21BO366-07
Canister Size: 6 liter
Receipt Vacuum(in Hg): -10.5
Sample Matrix: Indoor air
Flow Controller ID: 3174
Flow Controller Type: Fixed -Orifice
Sampled: 2/9/2021 01:25
Sample Type: 8 hr
Flow Controller Calibration
RPD Pre and Post -Sampling:
Analyte
Results
ppbv
RL
EPA TO-15
MDL
Flag/Qual
Results
ug/m3
RL
MDL
Dilution
Date/Time
Analyzed
Analyst
Acetone
9.9
1.4
0.85
23
3.3
2.0
0.702
2/15/21 20:23
BRF
Benzene
0.17
0.035
0.010
0.54
0.11
0.033
0.702
2/15/21 20:23
BRF
Benzyl chloride
ND
0.035
0.016
ND
0.18
0.082
0.702
2/15/21 20:23
BRF
Bromodichloromethane
ND
0.035
0.0098
ND
0.24
0.065
0.702
2/15/21 20:23
BRF
Bromoform
ND
0.035
0.012
ND
0.36
0.12
0.702
2/15/21 20:23
BRF
Bromomethane
ND
0.035
0.019
ND
0.14
0.072
0.702
2/15/21 20:23
BRF
1,3-Butadiene
ND
0.035
0.026
ND
0.078
0.057
0.702
2/15/21 20:23
BRF
2-Butanone (MEK)
0.99
1.4
0.12
J
2.9
4.1
0.34
0.702
2/15/21 20:23
BRF
Carbon Disulfide
ND
0.35
0.089
ND
1.1
0.28
0.702
2/15/21 20:23
BRF
Carbon Tetrachloride
0.072
0.035
0.0093
0.45
0.22
0.059
0.702
2/15/21 20:23
BRF
Chlorobenzene
ND
0.035
0.0085
ND
0.16
0.039
0.702
2/15/21 20:23
BRF
Chloroethane
ND
0.035
0.034
ND
0.093
0.091
0.702
2/15/21 20:23
BRF
Chloroform
ND
0.035
0.0085
ND
0.17
0.041
0.702
2/15/21 20:23
BRF
Chloromethane
0.62
0.070
0.027
1.3
0.14
0.055
0.702
2/15/21 20:23
BRF
Cyclohexane
ND
0.035
0.017
ND
0.12
0.059
0.702
2/15/21 20:23
BRF
Dibromochloromethane
ND
0.035
0.012
ND
0.30
0.10
0.702
2/15/21 20:23
BRF
1,2-Dibromoethane (EDB)
ND
0.035
0.0091
ND
0.27
0.070
0.702
2/15/21 20:23
BRF
1,2-Dichlorobenzene
ND
0.035
0.013
ND
0.21
0.078
0.702
2/15/21 20:23
BRF
1,3-Dichlorobenzene
ND
0.035
0.013
ND
0.21
0.077
0.702
2/15/21 20:23
BRF
1,4-Dichlorobenzene
ND
0.035
0.0079
ND
0.21
0.047
0.702
2/15/21 20:23
BRF
Dichlorodifluoromethane (Freon 12)
ND
0.035
0.011
ND
0.17
0.054
0.702
2/15/21 20:23
BRF
1,1-Dichloroethane
ND
0.035
0.011
ND
0.14
0.045
0.702
2/15/21 20:23
BRF
1,2-Dichloroethane
ND
0.035
0.013
ND
0.14
0.052
0.702
2/15/21 20:23
BRF
1,1-Dichloroethylene
ND
0.035
0.019
ND
0.14
0.076
0.702
2/15/21 20:23
BRF
cis-1,2-Dichloroethylene
ND
0.035
0.012
ND
0.14
0.047
0.702
2/15/21 20:23
BRF
trans-1,2-Dichloroethylene
ND
0.035
0.010
ND
0.14
0.041
0.702
2/15/21 20:23
BRF
1,2-Dichloropropane
ND
0.035
0.013
ND
0.16
0.059
0.702
2/15/21 20:23
BRF
cis- 1,3 -Dichloropropene
ND
0.035
0.016
ND
0.16
0.074
0.702
2/15/21 20:23
BRF
trans- 1, 3 -Dichloropropene
ND
0.035
0.012
ND
0.16
0.054
0.702
2/15/21 20:23
BRF
1,2-Dichloro-1,1,2,2-tetrafluoroethane (Freon 114)
ND
0.035
0.020
ND
0.25
0.14
0.702
2/15/21 20:23
BRF
1,4-Dioxane
ND
0.35
0.098
ND
1.3
0.35
0.702
2/15/21 20:23
BRF
Ethanol
9.1
1.4
0.43
V-34
17
2.6
0.80
0.702
2/15/21 20:23
BRF
Ethyl Acetate
ND
0.35
0.21
ND
1.3
0.75
0.702
2/15/21 20:23
BRF
Ethylbenzene
0.036
0.035
0.0073
0.16
0.15
0.032
0.702
2/15/21 20:23
BRF
4-Ethyltoluene
ND
0.035
0.011
ND
0.17
0.053
0.702
2/15/21 20:23
BRF
Heptane
0.26
0.035
0.015
1.1
0.14
0.062
0.702
2/15/21 20:23
BRF
Hexachlorobutadiene
ND
0.035
0.016
ND
0.37
0.17
0.702
2/15/21 20:23
BRF
Hexane
ND
1.4
0.064
ND
4.9
0.22
0.702
2/15/21 20:23
BRF
2-Hexanone (MBK)
ND
0.035
0.020
ND
0.14
0.081
0.702
2/15/21 20:23
BRF
Isopropanol
3.2
1.4
0.32
7.9
3.4
0.79
0.702
2/15/21 20:23
BRF
Methyl tert-Butyl Ether (MTBE)
ND
0.035
0.014
ND
0.13
0.051
0.702
2/15/21 20:23
BRF
Methylene Chloride
0.41
0.35
0.081
1.4
1.2
0.28
0.702
2/15/21 20:23
BRF
4-Methyl-2-pentanone (MIBK)
ND
0.035
0.018
ND
0.14
0.075
0.702
2/15/21 20:23
BRF
Naphthalene
ND
0.035
0.020
Z-01
ND
0.18
0.10
0.702
2/15/21 20:23
BRF
Propene
ND
1.4
0.12
ND
2.4
0.20
0.702
2/15/21 20:23
BRF
Styrene
ND
0.035
0.010
ND
0.15
0.043
0.702
2/15/21 20:23
BRF
1,1,2,2-Tetrachloroethane
ND
0.035
0.0093
ND
0.24
0.064
0.702
2/15/21 20:23
BRF
Page 16 of 50

Con -test®
A Pace Analytical® Laboratory
Project Location: High Point, NC
Date Received: 2/9/2021
Field Sample #: A-10
Sample ID: 21BO366-07
Sample Matrix: Indoor air
Sampled: 2/9/2021 01:25
39 Spruce Street ` East Longmeadow, MA 01028 ` FAX [phone] " TEL. [phone]
ANALYTICAL RESULTS
Sample Description/Location:
Sub Description/Location:
Canister ID: 1504
Canister Size: 6 liter
Flow Controller ID: 3174
Sample Type: 8 hr
Work Order: 21BO366
Initial Vacuum(in Hg): -29
Final Vacuum(in Hg): -8
Receipt Vacuum(in Hg): -10.5
Flow Controller Type: Fixed -Orifice
Flow Controller Calibration
RPD Pre and Post -Sampling:
EPA TO-15
ppbv ug/m3 Date/Time
Analyte Results RL MDL Flag/Qual Results RL MDL Dilution Analyzed Analyst
Tetrachloroethylene
ND
0.035
0.011
ND
0.24
0.078
0.702
2/15/21 20:23
BRF
Tetrahydrofuran
0.37
0.35
0.087
1.1
1.0
0.26
0.702
2/15/21 20:23
BRF
Toluene
0.42
0.035
0.010
1.6
0.13
0.038
0.702
2/15/21 20:23
BRF
1,2,4-Trichlorobenzene
ND
0.035
0.021
ND
0.26
0.16
0.702
2/15/21 20:23
BRF
1, 1, 1 -Trichloroethane
ND
0.035
0.011
ND
0.19
0.062
0.702
2/15/21 20:23
BRF
1,1,2-Trichloroethane
ND
0.035
0.013
ND
0.19
0.070
0.702
2/15/21 20:23
BRF
Trichloroethylene
0.079
0.035
0.013
0.42
0.19
0.070
0.702
2/15/21 20:23
BRF
Trichlorofluoromethane (Freon 11)
0.20
0.14
0.027
1.1
0.79
0.15
0.702
2/15/21 20:23
BRF
1,1,2-Trichloro-1,2,2-trifluoroethane (Freon 113)
0.060
0.14
0.026
J 0.46
1.1
0.20
0.702
2/15/21 20:23
BRF
1,2,4-Trimethylbenzene
ND
0.035
0.0080
ND
0.17
0.039
0.702
2/15/21 20:23
BRF
1,3,5-Trimethylbenzene
ND
0.035
0.0091
ND
0.17
0.045
0.702
2/15/21 20:23
BRF
Vinyl Acetate
ND
0.70
0.098
ND
2.5
0.35
0.702
2/15/21 20:23
BRF
Vinyl Chloride
ND
0.035
0.020
ND
0.090
0.050
0.702
2/15/21 20:23
BRF
m&p-Xylene
0.11
0.070
0.012
0.49
0.30
0.053
0.702
2/15/21 20:23
BRF
o-Xylene
0.044
0.035
0.0094
0.19
0.15
0.041
0.702
2/15/21 20:23
BRF
Surrogates
4-Bromofluorobenzene (1)
% Recovery
98.8
% REC Limits
70-130
2/15/21 20:23
Page 17 of 50

Con -test®
A Pace Analytical® Laboratory
39 Spruce Street ` East Longmeadow, MA 01028 ` FAX [phone] " TEL. [phone]
ANALYTICAL RESULTS
Project Location: High Point, NC
Sample Description/Location:
Work Order: 21BO366
Date Received: 2/9/2021
Sub Description/Location:
Initial Vacuum(in Hg): -30
Field Sample #: A-17
Canister ID: 2450
Final Vacuum(in Hg): -9
Sample ID: 21BO366-08
Canister Size: 6 liter
Receipt Vacuum(in Hg): -9.6
Sample Matrix: Indoor air
Flow Controller ID: 3010
Flow Controller Type: Fixed -Orifice
Sampled: 2/9/2021 01:35
Sample Type: 8 hr
Flow Controller Calibration
RPD Pre and Post -Sampling:
Analyte
Results
ppbv
RL
EPA TO-15
MDL
Flag/Qual
Results
ug/m3
RI
MDL
Dilution
Date/Time
Analyzed
Analyst
Acetone
6.2
1.4
0.85
15
3.3
2.0
0.702
2/15/21 21:11
BRF
Benzene
0.17
0.035
0.010
0.53
0.11
0.033
0.702
2/15/21 21:11
BRF
Benzyl chloride
ND
0.035
0.016
ND
0.18
0.082
0.702
2/15/21 21:11
BRF
Bromodichloromethane
ND
0.035
0.0098
ND
0.24
0.065
0.702
2/15/21 21:11
BRF
Bromoform
ND
0.035
0.012
ND
0.36
0.12
0.702
2/15/21 21:11
BRF
Bromomethane
ND
0.035
0.019
ND
0.14
0.072
0.702
2/15/21 21:11
BRF
1,3-Butadiene
ND
0.035
0.026
ND
0.078
0.057
0.702
2/15/21 21:11
BRF
2-Butanone (MEK)
0.36
1.4
0.12
J
1.1
4.1
0.34
0.702
2/15/21 21:11
BRF
Carbon Disulfide
ND
0.35
0.089
ND
1.1
0.28
0.702
2/15/21 21:11
BRF
Carbon Tetrachloride
0.082
0.035
0.0093
0.52
0.22
0.059
0.702
2/15/21 21:11
BRF
Chlorobenzene
ND
0.035
0.0085
ND
0.16
0.039
0.702
2/15/21 21:11
BRF
Chloroethane
ND
0.035
0.034
ND
0.093
0.091
0.702
2/15/21 21:11
BRF
Chloroform
ND
0.035
0.0085
ND
0.17
0.041
0.702
2/15/21 21:11
BRF
Chloromethane
ND
0.070
0.027
ND
0.14
0.055
0.702
2/15/21 21:11
BRF
Cyclohexane
ND
0.035
0.017
ND
0.12
0.059
0.702
2/15/21 21:11
BRF
Dibromochloromethane
ND
0.035
0.012
ND
0.30
0.10
0.702
2/15/21 21:11
BRF
1,2-Dibromoethane (EDB)
ND
0.035
0.0091
ND
0.27
0.070
0.702
2/15/21 21:11
BRF
1,2-Dichlorobenzene
ND
0.035
0.013
ND
0.21
0.078
0.702
2/15/21 21:11
BRF
1,3-Dichlorobenzene
ND
0.035
0.013
ND
0.21
0.077
0.702
2/15/21 21:11
BRF
1,4-Dichlorobenzene
ND
0.035
0.0079
ND
0.21
0.047
0.702
2/15/21 21:11
BRF
Dichlorodifluoromethane (Freon 12)
ND
0.035
0.011
ND
0.17
0.054
0.702
2/15/21 21:11
BRF
1,1-Dichloroethane
ND
0.035
0.011
ND
0.14
0.045
0.702
2/15/21 21:11
BRF
1,2-Dichloroethane
ND
0.035
0.013
ND
0.14
0.052
0.702
2/15/21 21:11
BRF
1,1-Dichloroethylene
ND
0.035
0.019
ND
0.14
0.076
0.702
2/15/21 21:11
BRF
cis-1,2-Dichloroethylene
ND
0.035
0.012
ND
0.14
0.047
0.702
2/15/21 21:11
BRF
trans-1,2-Dichloroethylene
ND
0.035
0.010
ND
0.14
0.041
0.702
2/15/21 21:11
BRF
1,2-Dichloropropane
ND
0.035
0.013
ND
0.16
0.059
0.702
2/15/21 21:11
BRF
cis- 1,3 -Dichloropropene
ND
0.035
0.016
ND
0.16
0.074
0.702
2/15/21 21:11
BRF
trans- 1, 3 -Dichloropropene
ND
0.035
0.012
ND
0.16
0.054
0.702
2/15/21 21:11
BRF
1,2-Dichloro-1,1,2,2-tetrafluoroethane (Freon 114)
ND
0.035
0.020
ND
0.25
0.14
0.702
2/15/21 21:11
BRF
1,4-Dioxane
ND
0.35
0.098
ND
1.3
0.35
0.702
2/15/21 21:11
BRF
Ethanol
190
8.0
2.4
V-34
360
15
4.6
4
2/16/21 7:53
BRF
Ethyl Acetate
ND
0.35
0.21
ND
1.3
0.75
0.702
2/15/21 21:11
BRF
Ethylbenzene
0.051
0.035
0.0073
0.22
0.15
0.032
0.702
2/15/21 21:11
BRF
4-Ethyltoluene
ND
0.035
0.011
ND
0.17
0.053
0.702
2/15/21 21:11
BRF
Heptane
0.20
0.035
0.015
0.83
0.14
0.062
0.702
2/15/21 21:11
BRF
Hexachlorobutadiene
ND
0.035
0.016
ND
0.37
0.17
0.702
2/15/21 21:11
BRF
Hexane
ND
1.4
0.064
ND
4.9
0.22
0.702
2/15/21 21:11
BRF
2-Hexanone (MBK)
ND
0.035
0.020
ND
0.14
0.081
0.702
2/15/21 21:11
BRF
Isopropanol
1.3
1.4
0.32
J
3.1
3.4
0.79
0.702
2/15/21 21:11
BRF
Methyl tert-Butyl Ether (MTBE)
ND
0.035
0.014
ND
0.13
0.051
0.702
2/15/21 21:11
BRF
Methylene Chloride
0.59
0.35
0.081
2.0
1.2
0.28
0.702
2/15/21 21:11
BRF
4-Methyl-2-pentanone (MIBK)
ND
0.035
0.018
ND
0.14
0.075
0.702
2/15/21 21:11
BRF
Naphthalene
ND
0.035
0.020
Z-01
ND
0.18
0.10
0.702
2/15/21 21:11
BRF
Propene
ND
1.4
0.12
ND
2.4
0.20
0.702
2/15/21 21:11
BRF
Styrene
0.075
0.035
0.010
0.32
0.15
0.043
0.702
2/15/21 21:11
BRF
1,1,2,2-Tetrachloroethane
ND
0.035
0.0093
ND
0.24
0.064
0.702
2/15/21 21:11
BRF
Page 18 of 50

Con -test®
A Pace Analytical® Laboratory
Project Location: High Point, NC
Date Received: 2/9/2021
Field Sample #: A-17
Sample ID: 21BO366-08
Sample Matrix: Indoor air
Sampled: 2/9/2021 01:3 5
39 Spruce Street ` East Longmeadow, MA 01028 ` FAX [phone] " TEL. [phone]
ANALYTICAL RESULTS
Sample Description/Location:
Sub Description/Location:
Canister ID: 2450
Canister Size: 6 liter
Flow Controller ID: 3010
Sample Type: 8 hr
Work Order: 21BO366
Initial Vacuum(in Hg): -30
Final Vacuum(in Hg): -9
Receipt Vacuum(in Hg): -9.6
Flow Controller Type: Fixed -Orifice
Flow Controller Calibration
RPD Pre and Post -Sampling:
EPA TO-15
ppbv ug/m3 Date/Time
Analyte Results RL MDL Flag/Qual Results RL MDL Dilution Analyzed Analyst
Tetrachloroethylene
0.027
0.035
0.011 J
0.18
0.24
0.078
0.702
2/15/21 21:11
BRF
Tetrahydrofuran
0.19
0.35
0.087 J
0.56
1.0
0.26
0.702
2/15/21 21:11
BRF
Toluene
0.52
0.035
0.010
2.0
0.13
0.038
0.702
2/15/21 21:11
BRF
1,2,4-Trichlorobenzene
ND
0.035
0.021
ND
0.26
0.16
0.702
2/15/21 21:11
BRF
1, 1, 1 -Trichloroethane
ND
0.035
0.011
ND
0.19
0.062
0.702
2/15/21 21:11
BRF
1,1,2-Trichloroethane
ND
0.035
0.013
ND
0.19
0.070
0.702
2/15/21 21:11
BRF
Trichloroethylene
0.084
0.035
0.013
0.45
0.19
0.070
0.702
2/15/21 21:11
BRF
Trichlorofluoromethane (Freon 11)
0.20
0.14
0.027
1.1
0.79
0.15
0.702
2/15/21 21:11
BRF
1,1,2-Trichloro-1,2,2-trifluoroethane (Freon 113)
0.056
0.14
0.026 J
0.43
1.1
0.20
0.702
2/15/21 21:11
BRF
1,2,4-Trimethylbenzene
ND
0.035
0.0080
ND
0.17
0.039
0.702
2/15/21 21:11
BRF
1,3,5-Trimethylbenzene
0.051
0.035
0.0091
0.25
0.17
0.045
0.702
2/15/21 21:11
BRF
Vinyl Acetate
ND
0.70
0.098
ND
2.5
0.35
0.702
2/15/21 21:11
BRF
Vinyl Chloride
ND
0.035
0.020
ND
0.090
0.050
0.702
2/15/21 21:11
BRF
m&p-Xylene
0.16
0.070
0.012
0.71
0.30
0.053
0.702
2/15/21 21:11
BRF
o-Xylene
0.083
0.035
0.0094
0.36
0.15
0.041
0.702
2/15/21 21:11
BRF
Surrogates
4-Bromofluorobenzene (1)
4-Bromofluorobenzene (1)
% Recovery
% REC Limits
97.8 70-130
98.6 70-130
2/16/21 7:53
2/15/21 21:11
Page 19 of 50

Con -test®
A Pace Analytical® Laboratory
39 Spruce Street ` East Longmeadow, MA 01028 ` FAX [phone] " TEL. [phone]
ANALYTICAL RESULTS
Project Location: High Point, NC
Sample Description/Location:
Work Order: 21BO366
Date Received: 2/9/2021
Sub Description/Location:
Initial Vacuum(in Hg): -30
Field Sample #: A-19
Canister ID: 2477
Final Vacuum(in Hg): -9
Sample ID: 21BO366-09
Canister Size: 6 liter
Receipt Vacuum(in Hg): -10
Sample Matrix: Indoor air
Flow Controller ID: 3294
Flow Controller Type: Fixed -Orifice
Sampled: 2/9/2021 01:40
Sample Type: 8 hr
Flow Controller Calibration
RPD Pre and Post -Sampling:
Analyte
Results
ppbv
RL
EPA TO-15
MDL
Flag/Qual
Results
ug/m3
RI
MDL
Dilution
Date/Time
Analyzed
Analyst
Acetone
4.7
1.4
0.85
11
3.3
2.0
0.702
2/15/21 21:58
BRF
Benzene
0.17
0.035
0.010
0.54
0.11
0.033
0.702
2/15/21 21:58
BRF
Benzyl chloride
ND
0.035
0.016
ND
0.18
0.082
0.702
2/15/21 21:58
BRF
Bromodichloromethane
ND
0.035
0.0098
ND
0.24
0.065
0.702
2/15/21 21:58
BRF
Bromoform
ND
0.035
0.012
ND
0.36
0.12
0.702
2/15/21 21:58
BRF
Bromomethane
ND
0.035
0.019
ND
0.14
0.072
0.702
2/15/21 21:58
BRF
1,3-Butadiene
ND
0.035
0.026
ND
0.078
0.057
0.702
2/15/21 21:58
BRF
2-Butanone (MEK)
0.33
1.4
0.12
J
0.97
4.1
0.34
0.702
2/15/21 21:58
BRF
Carbon Disulfide
ND
0.35
0.089
ND
1.1
0.28
0.702
2/15/21 21:58
BRF
Carbon Tetrachloride
0.079
0.035
0.0093
0.49
0.22
0.059
0.702
2/15/21 21:58
BRF
Chlorobenzene
ND
0.035
0.0085
ND
0.16
0.039
0.702
2/15/21 21:58
BRF
Chloroethane
ND
0.035
0.034
ND
0.093
0.091
0.702
2/15/21 21:58
BRF
Chloroform
ND
0.035
0.0085
ND
0.17
0.041
0.702
2/15/21 21:58
BRF
Chloromethane
ND
0.070
0.027
ND
0.14
0.055
0.702
2/15/21 21:58
BRF
Cyclohexane
ND
0.035
0.017
ND
0.12
0.059
0.702
2/15/21 21:58
BRF
Dibromochloromethane
ND
0.035
0.012
ND
0.30
0.10
0.702
2/15/21 21:58
BRF
1,2-Dibromoethane (EDB)
ND
0.035
0.0091
ND
0.27
0.070
0.702
2/15/21 21:58
BRF
1,2-Dichlorobenzene
ND
0.035
0.013
ND
0.21
0.078
0.702
2/15/21 21:58
BRF
1,3-Dichlorobenzene
ND
0.035
0.013
ND
0.21
0.077
0.702
2/15/21 21:58
BRF
1,4-Dichlorobenzene
ND
0.035
0.0079
ND
0.21
0.047
0.702
2/15/21 21:58
BRF
Dichlorodifluoromethane (Freon 12)
0.24
0.035
0.011
1.2
0.17
0.054
0.702
2/15/21 21:58
BRF
1,1-Dichloroethane
ND
0.035
0.011
ND
0.14
0.045
0.702
2/15/21 21:58
BRF
1,2-Dichloroethane
ND
0.035
0.013
ND
0.14
0.052
0.702
2/15/21 21:58
BRF
1,1-Dichloroethylene
ND
0.035
0.019
ND
0.14
0.076
0.702
2/15/21 21:58
BRF
cis-1,2-Dichloroethylene
ND
0.035
0.012
ND
0.14
0.047
0.702
2/15/21 21:58
BRF
trans-1,2-Dichloroethylene
ND
0.035
0.010
ND
0.14
0.041
0.702
2/15/21 21:58
BRF
1,2-Dichloropropane
ND
0.035
0.013
ND
0.16
0.059
0.702
2/15/21 21:58
BRF
cis- 1,3 -Dichloropropene
ND
0.035
0.016
ND
0.16
0.074
0.702
2/15/21 21:58
BRF
trans- 1, 3 -Dichloropropene
ND
0.035
0.012
ND
0.16
0.054
0.702
2/15/21 21:58
BRF
1,2-Dichloro-1,1,2,2-tetrafluoroethane (Freon 114)
ND
0.035
0.020
ND
0.25
0.14
0.702
2/15/21 21:58
BRF
1,4-Dioxane
ND
0.35
0.098
ND
1.3
0.35
0.702
2/15/21 21:58
BRF
Ethanol
120
8.0
2.4
V-34
230
15
4.6
4
2/16/21 8:33
BRF
Ethyl Acetate
ND
0.35
0.21
ND
1.3
0.75
0.702
2/15/21 21:58
BRF
Ethylbenzene
0.040
0.035
0.0073
0.17
0.15
0.032
0.702
2/15/21 21:58
BRF
4-Ethyltoluene
ND
0.035
0.011
ND
0.17
0.053
0.702
2/15/21 21:58
BRF
Heptane
0.23
0.035
0.015
0.95
0.14
0.062
0.702
2/15/21 21:58
BRF
Hexachlorobutadiene
ND
0.035
0.016
ND
0.37
0.17
0.702
2/15/21 21:58
BRF
Hexane
ND
1.4
0.064
ND
4.9
0.22
0.702
2/15/21 21:58
BRF
2-Hexanone (MBK)
ND
0.035
0.020
ND
0.14
0.081
0.702
2/15/21 21:58
BRF
Isopropanol
1.0
1.4
0.32
J
2.5
3.4
0.79
0.702
2/15/21 21:58
BRF
Methyl tert-Butyl Ether (MTBE)
ND
0.035
0.014
ND
0.13
0.051
0.702
2/15/21 21:58
BRF
Methylene Chloride
0.67
0.35
0.081
2.3
1.2
0.28
0.702
2/15/21 21:58
BRF
4-Methyl-2-pentanone (MIBK)
ND
0.035
0.018
ND
0.14
0.075
0.702
2/15/21 21:58
BRF
Naphthalene
ND
0.035
0.020
Z-01
ND
0.18
0.10
0.702
2/15/21 21:58
BRF
Propene
ND
1.4
0.12
ND
2.4
0.20
0.702
2/15/21 21:58
BRF
Styrene
0.039
0.035
0.010
0.17
0.15
0.043
0.702
2/15/21 21:58
BRF
1,1,2,2-Tetrachloroethane
ND
0.035
0.0093
ND
0.24
0.064
0.702
2/15/21 21:58
BRF
Page 20 of 50

Con -test®
A Pace Analytical® Laboratory
Project Location: High Point, NC
Date Received: 2/9/2021
Field Sample #: A-19
Sample ID: 21BO366-09
Sample Matrix: Indoor air
Sampled: 2/9/2021 01:40
39 Spruce Street ` East Longmeadow, MA 01028 ` FAX [phone] " TEL. [phone]
ANALYTICAL RESULTS
Sample Description/Location:
Sub Description/Location:
Canister ID: 2477
Canister Size: 6 liter
Flow Controller ID: 3294
Sample Type: 8 hr
Work Order: 21BO366
Initial Vacuum(in Hg): -30
Final Vacuum(in Hg): -9
Receipt Vacuum(in Hg): -10
Flow Controller Type: Fixed -Orifice
Flow Controller Calibration
RPD Pre and Post -Sampling:
EPA TO-15
ppbv ug/m3 Date/Time
Analyte Results RL MDL Flag/Qual Results RL MDL Dilution Analyzed Analyst
Tetrachloroethylene
0.022
0.035
0.011 J
0.15
0.24
0.078
0.702
2/15/21 21:58
BRF
Tetrahydrofuran
0.13
0.35
0.087 J
0.38
1.0
0.26
0.702
2/15/21 21:58
BRF
Toluene
0.40
0.035
0.010
1.5
0.13
0.038
0.702
2/15/21 21:58
BRF
1,2,4-Trichlorobenzene
ND
0.035
0.021
ND
0.26
0.16
0.702
2/15/21 21:58
BRF
1, 1, 1 -Trichloroethane
ND
0.035
0.011
ND
0.19
0.062
0.702
2/15/21 21:58
BRF
1,1,2-Trichloroethane
ND
0.035
0.013
ND
0.19
0.070
0.702
2/15/21 21:58
BRF
Trichloroethylene
0.081
0.035
0.013
0.44
0.19
0.070
0.702
2/15/21 21:58
BRF
Trichlorofluoromethane (Freon 11)
0.20
0.14
0.027
1.1
0.79
0.15
0.702
2/15/21 21:58
BRF
1,1,2-Trichloro-1,2,2-trifluoroethane (Freon 113)
0.058
0.14
0.026 J
0.45
1.1
0.20
0.702
2/15/21 21:58
BRF
1,2,4-Trimethylbenzene
ND
0.035
0.0080
ND
0.17
0.039
0.702
2/15/21 21:58
BRF
1,3,5-Trimethylbenzene
ND
0.035
0.0091
ND
0.17
0.045
0.702
2/15/21 21:58
BRF
Vinyl Acetate
ND
0.70
0.098
ND
2.5
0.35
0.702
2/15/21 21:58
BRF
Vinyl Chloride
ND
0.035
0.020
ND
0.090
0.050
0.702
2/15/21 21:58
BRF
m&p-Xylene
0.13
0.070
0.012
0.56
0.30
0.053
0.702
2/15/21 21:58
BRF
o-Xylene
0.051
0.035
0.0094
0.22
0.15
0.041
0.702
2/15/21 21:58
BRF
Surrogates
4-Bromofluorobenzene (1)
4-Bromofluorobenzene (1)
% Recovery
% REC Limits
98.8 70-130
98.5 70-130
2/16/21 8:33
2/15/21 21:58
Page 21 of 50

Con -test®
A Pace Analytical® Laboratory
39 Spruce Street ` East Longmeadow, MA 01028 ` FAX [phone] " TEL. [phone]
ANALYTICAL RESULTS
Project Location: High Point, NC
Sample Description/Location:
Work Order: 21BO366
Date Received: 2/9/2021
Sub Description/Location:
Initial Vacuum(in Hg): -28
Field Sample #: A-22
Canister ID: 1965
Final Vacuum(in Hg): -8
Sample ID: 21BO366-10
Canister Size: 6 liter
Receipt Vacuum(in Hg): -15.2
Sample Matrix: Indoor air
Flow Controller ID: 3232
Flow Controller Type: Fixed -Orifice
Sampled: 2/9/2021 01:46
Sample Type: 8 hr
Flow Controller Calibration
RPD Pre and Post -Sampling:
Analyte
Results
ppbv
RL
EPA TO-15
MDL
Flag/Qual
Results
ug/m3
RL
MDL
Dilution
Date/Time
Analyzed
Analyst
Acetone
8.9
1.6
0.97
21
3.8
2.3
0.8
2/15/21 22:47
BRF
Benzene
0.17
0.040
0.012
0.53
0.13
0.037
0.8
2/15/21 22:47
BRF
Benzyl chloride
ND
0.040
0.018
ND
0.21
0.093
0.8
2/15/21 22:47
BRF
Bromodichloromethane
ND
0.040
0.011
ND
0.27
0.075
0.8
2/15/21 22:47
BRF
Bromoform
ND
0.040
0.014
ND
0.41
0.14
0.8
2/15/21 22:47
BRF
Bromomethane
ND
0.040
0.021
ND
0.16
0.082
0.8
2/15/21 22:47
BRF
1,3-Butadiene
ND
0.040
0.029
ND
0.088
0.065
0.8
2/15/21 22:47
BRF
2-Butanone (MEK)
1.0
1.6
0.13
J
3.1
4.7
0.39
0.8
2/15/21 22:47
BRF
Carbon Disulfide
ND
0.40
0.10
ND
1.2
0.32
0.8
2/15/21 22:47
BRF
Carbon Tetrachloride
0.077
0.040
0.011
0.48
0.25
0.067
0.8
2/15/21 22:47
BRF
Chlorobenzene
ND
0.040
0.0097
ND
0.18
0.045
0.8
2/15/21 22:47
BRF
Chloroethane
ND
0.040
0.039
ND
0.11
0.10
0.8
2/15/21 22:47
BRF
Chloroform
ND
0.040
0.0097
ND
0.20
0.047
0.8
2/15/21 22:47
BRF
Chloromethane
ND
0.080
0.031
ND
0.17
0.063
0.8
2/15/21 22:47
BRF
Cyclohexane
ND
0.040
0.020
ND
0.14
0.067
0.8
2/15/21 22:47
BRF
Dibromochloromethane
ND
0.040
0.013
ND
0.34
0.11
0.8
2/15/21 22:47
BRF
1,2-Dibromoethane (EDB)
ND
0.040
0.010
ND
0.31
0.080
0.8
2/15/21 22:47
BRF
1,2-Dichlorobenzene
ND
0.040
0.015
ND
0.24
0.089
0.8
2/15/21 22:47
BRF
1,3-Dichlorobenzene
ND
0.040
0.015
ND
0.24
0.088
0.8
2/15/21 22:47
BRF
1,4-Dichlorobenzene
ND
0.040
0.0090
ND
0.24
0.054
0.8
2/15/21 22:47
BRF
Dichlorodifluoromethane (Freon 12)
0.22
0.040
0.013
1.1
0.20
0.062
0.8
2/15/21 22:47
BRF
1,1-Dichloroethane
ND
0.040
0.013
ND
0.16
0.051
0.8
2/15/21 22:47
BRF
1,2-Dichloroethane
ND
0.040
0.015
ND
0.16
0.059
0.8
2/15/21 22:47
BRF
1,1-Dichloroethylene
ND
0.040
0.022
ND
0.16
0.086
0.8
2/15/21 22:47
BRF
cis-1,2-Dichloroethylene
ND
0.040
0.014
ND
0.16
0.054
0.8
2/15/21 22:47
BRF
trans-1,2-Dichloroethylene
ND
0.040
0.012
ND
0.16
0.047
0.8
2/15/21 22:47
BRF
1,2-Dichloropropane
ND
0.040
0.014
ND
0.18
0.067
0.8
2/15/21 22:47
BRF
cis- 1,3 -Dichloropropene
ND
0.040
0.019
ND
0.18
0.084
0.8
2/15/21 22:47
BRF
trans- 1, 3 -Dichloropropene
ND
0.040
0.013
ND
0.18
0.061
0.8
2/15/21 22:47
BRF
1,2-Dichloro-1,1,2,2-tetrafluoroethane (Freon 114)
ND
0.040
0.022
ND
0.28
0.16
0.8
2/15/21 22:47
BRF
1,4-Dioxane
ND
0.40
0.11
ND
1.4
0.40
0.8
2/15/21 22:47
BRF
Ethanol
12
1.6
0.48
V-34
23
3.0
0.91
0.8
2/15/21 22:47
BRF
Ethyl Acetate
ND
0.40
0.24
ND
1.4
0.86
0.8
2/15/21 22:47
BRF
Ethylbenzene
0.045
0.040
0.0083
0.19
0.17
0.036
0.8
2/15/21 22:47
BRF
4-Ethyltoluene
ND
0.040
0.012
ND
0.20
0.061
0.8
2/15/21 22:47
BRF
Heptane
0.22
0.040
0.017
0.89
0.16
0.071
0.8
2/15/21 22:47
BRF
Hexachlorobutadiene
ND
0.040
0.018
ND
0.43
0.19
0.8
2/15/21 22:47
BRF
Hexane
ND
1.6
0.073
ND
5.6
0.26
0.8
2/15/21 22:47
BRF
2-Hexanone (MBK)
ND
0.040
0.023
ND
0.16
0.092
0.8
2/15/21 22:47
BRF
Isopropanol
0.81
1.6
0.37
J
2.0
3.9
0.90
0.8
2/15/21 22:47
BRF
Methyl tert-Butyl Ether (MTBE)
ND
0.040
0.016
ND
0.14
0.058
0.8
2/15/21 22:47
BRF
Methylene Chloride
0.78
0.40
0.092
2.7
1.4
0.32
0.8
2/15/21 22:47
BRF
4-Methyl-2-pentanone (MIBK)
ND
0.040
0.021
ND
0.16
0.086
0.8
2/15/21 22:47
BRF
Naphthalene
ND
0.040
0.022
Z-01
ND
0.21
0.12
0.8
2/15/21 22:47
BRF
Propene
ND
1.6
0.13
ND
2.8
0.23
0.8
2/15/21 22:47
BRF
Styrene
0.10
0.040
0.011
0.44
0.17
0.049
0.8
2/15/21 22:47
BRF
1,1,2,2-Tetrachloroethane
ND
0.040
0.011
ND
0.27
0.073
0.8
2/15/21 22:47
BRF
Page 22 of 50

Con -test®
A Pace Analytical® Laboratory
Project Location: High Point, NC
Date Received: 2/9/2021
Field Sample #: A-22
Sample ID: 21BO366-10
Sample Matrix: Indoor air
Sampled: 2/9/2021 01:46
39 Spruce Street ` East Longmeadow, MA 01028 ` FAX [phone] " TEL. [phone]
ANALYTICAL RESULTS
Sample Description/Location:
Sub Description/Location:
Canister ID: 1965
Canister Size: 6 liter
Flow Controller ID: 3232
Sample Type: 8 hr
Work Order: 21BO366
Initial Vacuum(in Hg): -28
Final Vacuum(in Hg): -8
Receipt Vacuum(in Hg): -15.2
Flow Controller Type: Fixed -Orifice
Flow Controller Calibration
RPD Pre and Post -Sampling:
EPA TO-15
ppbv ug/m3 Date/Time
Analyte Results RL MDL Flag/Qual Results RL MDL Dilution Analyzed Analyst
Tetrachloroethylene
0.022
0.040
0.013
J 0.15
0.27
0.088
0.8
2/15/21 22:47
BRF
Tetrahydrofuran
0.21
0.40
0.099
J 0.61
1.2
0.29
0.8
2/15/21 22:47
BRF
Toluene
0.37
0.040
0.012
1.4
0.15
0.044
0.8
2/15/21 22:47
BRF
1,2,4-Trichlorobenzene
ND
0.040
0.024
ND
0.30
0.18
0.8
2/15/21 22:47
BRF
1, 1, 1 -Trichloroethane
ND
0.040
0.013
ND
0.22
0.071
0.8
2/15/21 22:47
BRF
1,1,2-Trichloroethane
ND
0.040
0.015
ND
0.22
0.080
0.8
2/15/21 22:47
BRF
Trichloroethylene
0.074
0.040
0.015
0.40
0.21
0.080
0.8
2/15/21 22:47
BRF
Trichlorofluoromethane (Freon 11)
0.20
0.16
0.030
1.1
0.90
0.17
0.8
2/15/21 22:47
BRF
1,1,2-Trichloro-1,2,2-trifluoroethane (Freon 113)
0.058
0.16
0.030
J 0.45
1.2
0.23
0.8
2/15/21 22:47
BRF
1,2,4-Trimethylbenzene
ND
0.040
0.0091
ND
0.20
0.045
0.8
2/15/21 22:47
BRF
1,3,5-Trimethylbenzene
ND
0.040
0.010
ND
0.20
0.051
0.8
2/15/21 22:47
BRF
Vinyl Acetate
ND
0.80
0.11
ND
2.8
0.40
0.8
2/15/21 22:47
BRF
Vinyl Chloride
ND
0.040
0.022
ND
0.10
0.057
0.8
2/15/21 22:47
BRF
m&p-Xylene
0.12
0.080
0.014
0.54
0.35
0.060
0.8
2/15/21 22:47
BRF
o-Xylene
0.050
0.040
0.011
0.22
0.17
0.047
0.8
2/15/21 22:47
BRF
Surrogates
4-Bromofluorobenzene (1)
% Recovery
99.6
% REC Limits
70-130
2/15/21 22:47
Page 23 of 50

Con -test®
A Pace Analytical® Laboratory
39 Spruce Street ` East Longmeadow, MA 01028 ` FAX [phone] " TEL. [phone]
ANALYTICAL RESULTS
Project Location: High Point, NC
Sample Description/Location:
Work Order: 21BO366
Date Received: 2/9/2021
Sub Description/Location:
Initial Vacuum(in Hg): -29
Field Sample #: A-23
Canister ID: 1973
Final Vacuum(in Hg): -12
Sample ID: 21BO366-11
Canister Size: 6 liter
Receipt Vacuum(in Hg): -13.3
Sample Matrix: Indoor air
Flow Controller ID: 3084
Flow Controller Type: Fixed -Orifice
Sampled: 2/9/2021 01:57
Sample Type: 8 hr
Flow Controller Calibration
RPD Pre and Post -Sampling:
Analyte
Results
ppbv
RL
EPA TO-15
MDL
Flag/Qual
Results
ug/m3
RL
MDL
Dilution
Date/Time
Analyzed
Analyst
Acetone
7.2
1.6
0.97
17
3.8
2.3
0.8
2/15/21 23:36
BRF
Benzene
0.17
0.040
0.012
0.53
0.13
0.037
0.8
2/15/21 23:36
BRF
Benzyl chloride
ND
0.040
0.018
ND
0.21
0.093
0.8
2/15/21 23:36
BRF
Bromodichloromethane
ND
0.040
0.011
ND
0.27
0.075
0.8
2/15/21 23:36
BRF
Bromoform
ND
0.040
0.014
ND
0.41
0.14
0.8
2/15/21 23:36
BRF
Bromomethane
ND
0.040
0.021
ND
0.16
0.082
0.8
2/15/21 23:36
BRF
1,3-Butadiene
ND
0.040
0.029
ND
0.088
0.065
0.8
2/15/21 23:36
BRF
2-Butanone (MEK)
0.66
1.6
0.13
J
2.0
4.7
0.39
0.8
2/15/21 23:36
BRF
Carbon Disulfide
ND
0.40
0.10
ND
1.2
0.32
0.8
2/15/21 23:36
BRF
Carbon Tetrachloride
0.078
0.040
0.011
0.49
0.25
0.067
0.8
2/15/21 23:36
BRF
Chlorobenzene
ND
0.040
0.0097
ND
0.18
0.045
0.8
2/15/21 23:36
BRF
Chloroethane
ND
0.040
0.039
ND
0.11
0.10
0.8
2/15/21 23:36
BRF
Chloroform
ND
0.040
0.0097
ND
0.20
0.047
0.8
2/15/21 23:36
BRF
Chloromethane
ND
0.080
0.031
ND
0.17
0.063
0.8
2/15/21 23:36
BRF
Cyclohexane
ND
0.040
0.020
ND
0.14
0.067
0.8
2/15/21 23:36
BRF
Dibromochloromethane
ND
0.040
0.013
ND
0.34
0.11
0.8
2/15/21 23:36
BRF
1,2-Dibromoethane (EDB)
ND
0.040
0.010
ND
0.31
0.080
0.8
2/15/21 23:36
BRF
1,2-Dichlorobenzene
ND
0.040
0.015
ND
0.24
0.089
0.8
2/15/21 23:36
BRF
1,3-Dichlorobenzene
ND
0.040
0.015
ND
0.24
0.088
0.8
2/15/21 23:36
BRF
1,4-Dichlorobenzene
ND
0.040
0.0090
ND
0.24
0.054
0.8
2/15/21 23:36
BRF
Dichlorodifluoromethane (Freon 12)
ND
0.040
0.013
ND
0.20
0.062
0.8
2/15/21 23:36
BRF
1,1-Dichloroethane
ND
0.040
0.013
ND
0.16
0.051
0.8
2/15/21 23:36
BRF
1,2-Dichloroethane
ND
0.040
0.015
ND
0.16
0.059
0.8
2/15/21 23:36
BRF
1,1-Dichloroethylene
ND
0.040
0.022
ND
0.16
0.086
0.8
2/15/21 23:36
BRF
cis-1,2-Dichloroethylene
ND
0.040
0.014
ND
0.16
0.054
0.8
2/15/21 23:36
BRF
trans-1,2-Dichloroethylene
ND
0.040
0.012
ND
0.16
0.047
0.8
2/15/21 23:36
BRF
1,2-Dichloropropane
ND
0.040
0.014
ND
0.18
0.067
0.8
2/15/21 23:36
BRF
cis- 1,3 -Dichloropropene
ND
0.040
0.019
ND
0.18
0.084
0.8
2/15/21 23:36
BRF
trans- 1, 3 -Dichloropropene
ND
0.040
0.013
ND
0.18
0.061
0.8
2/15/21 23:36
BRF
1,2-Dichloro-1,1,2,2-tetrafluoroethane (Freon 114)
ND
0.040
0.022
ND
0.28
0.16
0.8
2/15/21 23:36
BRF
1,4-Dioxane
ND
0.40
0.11
ND
1.4
0.40
0.8
2/15/21 23:36
BRF
Ethanol
6.3
1.6
0.48
V-34
12
3.0
0.91
0.8
2/15/21 23:36
BRF
Ethyl Acetate
ND
0.40
0.24
ND
1.4
0.86
0.8
2/15/21 23:36
BRF
Ethylbenzene
0.027
0.040
0.0083
J
0.12
0.17
0.036
0.8
2/15/21 23:36
BRF
4-Ethyltoluene
ND
0.040
0.012
ND
0.20
0.061
0.8
2/15/21 23:36
BRF
Heptane
0.17
0.040
0.017
0.70
0.16
0.071
0.8
2/15/21 23:36
BRF
Hexachlorobutadiene
ND
0.040
0.018
ND
0.43
0.19
0.8
2/15/21 23:36
BRF
Hexane
0.39
1.6
0.073
J
1.4
5.6
0.26
0.8
2/15/21 23:36
BRF
2-Hexanone (MBK)
ND
0.040
0.023
ND
0.16
0.092
0.8
2/15/21 23:36
BRF
Isopropanol
0.75
1.6
0.37
J
1.8
3.9
0.90
0.8
2/15/21 23:36
BRF
Methyl tert-Butyl Ether (MTBE)
ND
0.040
0.016
ND
0.14
0.058
0.8
2/15/21 23:36
BRF
Methylene Chloride
0.93
0.40
0.092
3.2
1.4
0.32
0.8
2/15/21 23:36
BRF
4-Methyl-2-pentanone (MIBK)
ND
0.040
0.021
ND
0.16
0.086
0.8
2/15/21 23:36
BRF
Naphthalene
ND
0.040
0.022
Z-01
ND
0.21
0.12
0.8
2/15/21 23:36
BRF
Propene
ND
1.6
0.13
ND
2.8
0.23
0.8
2/15/21 23:36
BRF
Styrene
0.070
0.040
0.011
0.30
0.17
0.049
0.8
2/15/21 23:36
BRF
1,1,2,2-Tetrachloroethane
ND
0.040
0.011
ND
0.27
0.073
0.8
2/15/21 23:36
BRF
Page 24 of 50

Con -test®
A Pace Analytical® Laboratory
Project Location: High Point, NC
Date Received: 2/9/2021
Field Sample #: A-23
Sample ID: 21BO366-11
Sample Matrix: Indoor air
Sampled: 2/9/2021 01:57
39 Spruce Street ` East Longmeadow, MA 01028 ` FAX [phone] " TEL. [phone]
ANALYTICAL RESULTS
Sample Description/Location:
Sub Description/Location:
Canister ID: 1973
Canister Size: 6 liter
Flow Controller ID: 3084
Sample Type: 8 hr
Work Order: 21BO366
Initial Vacuum(in Hg): -29
Final Vacuum(in Hg): -12
Receipt Vacuum(in Hg): -13.3
Flow Controller Type: Fixed -Orifice
Flow Controller Calibration
RPD Pre and Post -Sampling:
EPA TO-15
ppbv ug/m3 Date/Time
Analyte Results RL MDL Flag/Qual Results RL MDL Dilution Analyzed Analyst
Tetrachloroethylene
ND
0.040
0.013
ND
0.27
0.088
0.8
2/15/21 23:36
BRF
Tetrahydrofuran
0.20
0.40
0.099
J 0.58
1.2
0.29
0.8
2/15/21 23:36
BRF
Toluene
0.32
0.040
0.012
1.2
0.15
0.044
0.8
2/15/21 23:36
BRF
1,2,4-Trichlorobenzene
ND
0.040
0.024
ND
0.30
0.18
0.8
2/15/21 23:36
BRF
1, 1, 1 -Trichloroethane
ND
0.040
0.013
ND
0.22
0.071
0.8
2/15/21 23:36
BRF
1,1,2-Trichloroethane
ND
0.040
0.015
ND
0.22
0.080
0.8
2/15/21 23:36
BRF
Trichloroethylene
0.043
0.040
0.015
0.23
0.21
0.080
0.8
2/15/21 23:36
BRF
Trichlorofluoromethane (Freon 11)
0.21
0.16
0.030
1.2
0.90
0.17
0.8
2/15/21 23:36
BRF
1,1,2-Trichloro-1,2,2-trifluoroethane (Freon 113)
ND
0.16
0.030
ND
1.2
0.23
0.8
2/15/21 23:36
BRF
1,2,4-Trimethylbenzene
ND
0.040
0.0091
ND
0.20
0.045
0.8
2/15/21 23:36
BRF
1,3,5-Trimethylbenzene
ND
0.040
0.010
ND
0.20
0.051
0.8
2/15/21 23:36
BRF
Vinyl Acetate
ND
0.80
0.11
ND
2.8
0.40
0.8
2/15/21 23:36
BRF
Vinyl Chloride
ND
0.040
0.022
ND
0.10
0.057
0.8
2/15/21 23:36
BRF
m&p-Xylene
0.081
0.080
0.014
0.35
0.35
0.060
0.8
2/15/21 23:36
BRF
o-Xylene
0.036
0.040
0.011
J 0.16
0.17
0.047
0.8
2/15/21 23:36
BRF
Surrogates
4-Bromofluorobenzene (1)
% Recovery
99.8
% REC Limits
70-130
2/15/21 23:36
Page 25 of 50

Con -test®
A Pace Analytical® Laboratory
39 Spruce Street ` East Longmeadow, MA 01028 ` FAX [phone] " TEL. [phone]
ANALYTICAL RESULTS
Project Location: High Point, NC
Sample Description/Location:
Work Order: 21BO366
Date Received: 2/9/2021
Sub Description/Location:
Initial Vacuum(in Hg): -29
Field Sample #: AA
Canister ID: 1990
Final Vacuum(in Hg): -5
Sample ID: 21BO366-12
Canister Size: 6 liter
Receipt Vacuum(in Hg): -6.8
Sample Matrix: Indoor air
Flow Controller ID: 3045
Flow Controller Type: Fixed -Orifice
Sampled: 2/9/2021 01:50
Sample Type: 8 hr
Flow Controller Calibration
RPD Pre and Post -Sampling:
Analyte
Results
ppbv
RL
EPA TO-15
MDL
Flag/Qual
Results
ug/m3
RI
MDL
Dilution
Date/Time
Analyzed
Analyst
Acetone
5.0
1.4
0.85
12
3.3
2.0
0.702
2/16/21
0:24
BRF
Benzene
0.17
0.035
0.010
0.53
0.11
0.033
0.702
2/16/21
0:24
BRF
Benzyl chloride
ND
0.035
0.016
ND
0.18
0.082
0.702
2/16/21
0:24
BRF
Bromodichloromethane
ND
0.035
0.0098
ND
0.24
0.065
0.702
2/16/21
0:24
BRF
Bromoform
ND
0.035
0.012
ND
0.36
0.12
0.702
2/16/21
0:24
BRF
Bromomethane
ND
0.035
0.019
ND
0.14
0.072
0.702
2/16/21
0:24
BRF
1,3-Butadiene
ND
0.035
0.026
ND
0.078
0.057
0.702
2/16/21
0:24
BRF
2-Butanone (MEK)
0.67
1.4
0.12
J
2.0
4.1
0.34
0.702
2/16/21
0:24
BRF
Carbon Disulfide
ND
0.35
0.089
ND
1.1
0.28
0.702
2/16/21
0:24
BRF
Carbon Tetrachloride
0.078
0.035
0.0093
0.49
0.22
0.059
0.702
2/16/21
0:24
BRF
Chlorobenzene
ND
0.035
0.0085
ND
0.16
0.039
0.702
2/16/21
0:24
BRF
Chloroethane
ND
0.035
0.034
ND
0.093
0.091
0.702
2/16/21
0:24
BRF
Chloroform
ND
0.035
0.0085
ND
0.17
0.041
0.702
2/16/21
0:24
BRF
Chloromethane
0.59
0.070
0.027
1.2
0.14
0.055
0.702
2/16/21
0:24
BRF
Cyclohexane
ND
0.035
0.017
ND
0.12
0.059
0.702
2/16/21
0:24
BRF
Dibromochloromethane
ND
0.035
0.012
ND
0.30
0.10
0.702
2/16/21
0:24
BRF
1,2-Dibromoethane (EDB)
ND
0.035
0.0091
ND
0.27
0.070
0.702
2/16/21
0:24
BRF
1,2-Dichlorobenzene
ND
0.035
0.013
ND
0.21
0.078
0.702
2/16/21
0:24
BRF
1,3-Dichlorobenzene
ND
0.035
0.013
ND
0.21
0.077
0.702
2/16/21
0:24
BRF
1,4-Dichlorobenzene
ND
0.035
0.0079
ND
0.21
0.047
0.702
2/16/21
0:24
BRF
Dichlorodifluoromethane (Freon 12)
0.25
0.035
0.011
1.2
0.17
0.054
0.702
2/16/21
0:24
BRF
1,1-Dichloroethane
ND
0.035
0.011
ND
0.14
0.045
0.702
2/16/21
0:24
BRF
1,2-Dichloroethane
ND
0.035
0.013
ND
0.14
0.052
0.702
2/16/21
0:24
BRF
1,1-Dichloroethylene
ND
0.035
0.019
ND
0.14
0.076
0.702
2/16/21
0:24
BRF
cis-1,2-Dichloroethylene
ND
0.035
0.012
ND
0.14
0.047
0.702
2/16/21
0:24
BRF
trans-1,2-Dichloroethylene
ND
0.035
0.010
ND
0.14
0.041
0.702
2/16/21
0:24
BRF
1,2-Dichloropropane
ND
0.035
0.013
ND
0.16
0.059
0.702
2/16/21
0:24
BRF
cis- 1,3 -Dichloropropene
ND
0.035
0.016
ND
0.16
0.074
0.702
2/16/21
0:24
BRF
trans- 1, 3 -Dichloropropene
ND
0.035
0.012
ND
0.16
0.054
0.702
2/16/21
0:24
BRF
1,2-Dichloro-1,1,2,2-tetrafluoroethane (Freon 114)
ND
0.035
0.020
ND
0.25
0.14
0.702
2/16/21
0:24
BRF
1,4-Dioxane
ND
0.35
0.098
ND
1.3
0.35
0.702
2/16/21
0:24
BRF
Ethanol
4.2
1.4
0.43
V-34
7.9
2.6
0.80
0.702
2/16/21
0:24
BRF
Ethyl Acetate
ND
0.35
0.21
ND
1.3
0.75
0.702
2/16/21
0:24
BRF
Ethylbenzene
0.025
0.035
0.0073
J
0.11
0.15
0.032
0.702
2/16/21
0:24
BRF
4-Ethyltoluene
ND
0.035
0.011
ND
0.17
0.053
0.702
2/16/21
0:24
BRF
Heptane
0.23
0.035
0.015
0.95
0.14
0.062
0.702
2/16/21
0:24
BRF
Hexachlorobutadiene
ND
0.035
0.016
ND
0.37
0.17
0.702
2/16/21
0:24
BRF
Hexane
ND
1.4
0.064
ND
4.9
0.22
0.702
2/16/21
0:24
BRF
2-Hexanone (MBK)
ND
0.035
0.020
ND
0.14
0.081
0.702
2/16/21
0:24
BRF
Isopropanol
0.76
1.4
0.32
J
1.9
3.4
0.79
0.702
2/16/21
0:24
BRF
Methyl tert-Butyl Ether (MTBE)
ND
0.035
0.014
ND
0.13
0.051
0.702
2/16/21
0:24
BRF
Methylene Chloride
0.54
0.35
0.081
1.9
1.2
0.28
0.702
2/16/21
0:24
BRF
4-Methyl-2-pentanone (MIBK)
ND
0.035
0.018
ND
0.14
0.075
0.702
2/16/21
0:24
BRF
Naphthalene
ND
0.035
0.020
Z-01
ND
0.18
0.10
0.702
2/16/21
0:24
BRF
Propene
ND
1.4
0.12
ND
2.4
0.20
0.702
2/16/21
0:24
BRF
Styrene
ND
0.035
0.010
ND
0.15
0.043
0.702
2/16/21
0:24
BRF
1,1,2,2-Tetrachloroethane
ND
0.035
0.0093
ND
0.24
0.064
0.702
2/16/21
0:24
BRF
Page 26 of 50

Con -test®
A Pace Analytical® Laboratory
39 Spruce Street ` East Longmeadow, MA 01028 ` FAX [phone] " TEL. [phone]
ANALYTICAL RESULTS
Project Location: High Point, NC
Sample Description/Location:
Work Order: 21BO366
Date Received: 2/9/2021
Sub Description/Location:
Initial Vacuum(in Hg): -29
Field Sample #: AA
Canister ID: 1990
Final Vacuum(in Hg): -5
Sample ID: 21BO366-12
Canister Size: 6 liter
Receipt Vacuum(in Hg): -6.8
Sample Matrix: Indoor air
Flow Controller ID: 3045
Flow Controller Type: Fixed -Orifice
Sampled: 2/9/2021 01:50
Sample Type: 8 hr
Flow Controller Calibration
RPD Pre and Post -Sampling:
Analyte
Results
ppbv
RL
EPA TO-15
MDL
Flag/Qual Results
ug/m3
RL
MDL
Dilution
Date/Time
Analyzed
Analyst
Tetrachloroethylene
ND
0.035
0.011
ND
0.24
0.078
0.702
2/16/21
0:24
BRF
Tetrahydrofuran
ND
0.35
0.087
ND
1.0
0.26
0.702
2/16/21
0:24
BRF
Toluene
0.36
0.035
0.010
1.4
0.13
0.038
0.702
2/16/21
0:24
BRF
1,2,4-Trichlorobenzene
ND
0.035
0.021
ND
0.26
0.16
0.702
2/16/21
0:24
BRF
1, 1, 1 -Trichloroethane
ND
0.035
0.011
ND
0.19
0.062
0.702
2/16/21
0:24
BRF
1,1,2-Trichloroethane
ND
0.035
0.013
ND
0.19
0.070
0.702
2/16/21
0:24
BRF
Trichloroethylene
0.066
0.035
0.013
0.35
0.19
0.070
0.702
2/16/21
0:24
BRF
Trichlorofluoromethane (Freon 11)
0.21
0.14
0.027
1.2
0.79
0.15
0.702
2/16/21
0:24
BRF
1,1,2-Trichloro-1,2,2-trifluoroethane (Freon 113)
ND
0.14
0.026
ND
1.1
0.20
0.702
2/16/21
0:24
BRF
1,2,4-Trimethylbenzene
ND
0.035
0.0080
ND
0.17
0.039
0.702
2/16/21
0:24
BRF
1,3,5-Trimethylbenzene
ND
0.035
0.0091
ND
0.17
0.045
0.702
2/16/21
0:24
BRF
Vinyl Acetate
ND
0.70
0.098
ND
2.5
0.35
0.702
2/16/21
0:24
BRF
Vinyl Chloride
ND
0.035
0.020
ND
0.090
0.050
0.702
2/16/21
0:24
BRF
m&p-Xylene
0.068
0.070
0.012
J 0.30
0.30
0.053
0.702
2/16/21
0:24
BRF
o-Xylene
0.030
0.035
0.0094
J 0.13
0.15
0.041
0.702
2/16/21
0:24
BRF
Surrogates % Recovery % REC Limits
4-Bromofluorobenzene (1) 100 70-130 2/16/21 0:24
Page 27 of 50

Con -test®
A Pace Analytical® Laboratory
39 Spruce Street ` East Longmeadow, MA 01028 ` FAX [phone] " TEL. [phone]
ANALYTICAL RESULTS
Project Location: High Point, NC
Sample Description/Location:
Work Order: 21BO366
Date Received: 2/9/2021
Sub Description/Location:
Initial Vacuum(in Hg): -29
Field Sample #: Dup
Canister ID: 2197
Final Vacuum(in Hg): -8
Sample ID: 21BO366-13
Canister Size: 6 liter
Receipt Vacuum(in Hg): -9.9
Sample Matrix: Indoor air
Flow Controller ID: 3410
Flow Controller Type: Fixed -Orifice
Sampled: 2/9/2021 00:00
Sample Type: 8 hr
Flow Controller Calibration
RPD Pre and Post -Sampling:
Analyte
Results
ppbv
RL
EPA TO-15
MDL
Flag/Qual
Results
ug/m3
RI
MDL
Dilution
Date/Time
Analyzed
Analyst
Acetone
7.8
1.4
0.85
18
3.3
2.0
0.702
2/16/21
2:00
BRF
Benzene
0.16
0.035
0.010
0.50
0.11
0.033
0.702
2/16/21
2:00
BRF
Benzyl chloride
ND
0.035
0.016
ND
0.18
0.082
0.702
2/16/21
2:00
BRF
Bromodichloromethane
ND
0.035
0.0098
ND
0.24
0.065
0.702
2/16/21
2:00
BRF
Bromoform
ND
0.035
0.012
ND
0.36
0.12
0.702
2/16/21
2:00
BRF
Bromomethane
ND
0.035
0.019
ND
0.14
0.072
0.702
2/16/21
2:00
BRF
1,3-Butadiene
ND
0.035
0.026
ND
0.078
0.057
0.702
2/16/21
2:00
BRF
2-Butanone (MEK)
0.97
1.4
0.12
J
2.9
4.1
0.34
0.702
2/16/21
2:00
BRF
Carbon Disulfide
ND
0.35
0.089
ND
1.1
0.28
0.702
2/16/21
2:00
BRF
Carbon Tetrachloride
0.080
0.035
0.0093
0.50
0.22
0.059
0.702
2/16/21
2:00
BRF
Chlorobenzene
ND
0.035
0.0085
ND
0.16
0.039
0.702
2/16/21
2:00
BRF
Chloroethane
ND
0.035
0.034
ND
0.093
0.091
0.702
2/16/21
2:00
BRF
Chloroform
ND
0.035
0.0085
ND
0.17
0.041
0.702
2/16/21
2:00
BRF
Chloromethane
0.60
0.070
0.027
1.2
0.14
0.055
0.702
2/16/21
2:00
BRF
Cyclohexane
ND
0.035
0.017
ND
0.12
0.059
0.702
2/16/21
2:00
BRF
Dibromochloromethane
ND
0.035
0.012
ND
0.30
0.10
0.702
2/16/21
2:00
BRF
1,2-Dibromoethane (EDB)
ND
0.035
0.0091
ND
0.27
0.070
0.702
2/16/21
2:00
BRF
1,2-Dichlorobenzene
ND
0.035
0.013
ND
0.21
0.078
0.702
2/16/21
2:00
BRF
1,3-Dichlorobenzene
ND
0.035
0.013
ND
0.21
0.077
0.702
2/16/21
2:00
BRF
1,4-Dichlorobenzene
ND
0.035
0.0079
ND
0.21
0.047
0.702
2/16/21
2:00
BRF
Dichlorodifluoromethane (Freon 12)
0.21
0.035
0.011
1.0
0.17
0.054
0.702
2/16/21
2:00
BRF
1,1-Dichloroethane
ND
0.035
0.011
ND
0.14
0.045
0.702
2/16/21
2:00
BRF
1,2-Dichloroethane
ND
0.035
0.013
ND
0.14
0.052
0.702
2/16/21
2:00
BRF
1,1-Dichloroethylene
ND
0.035
0.019
ND
0.14
0.076
0.702
2/16/21
2:00
BRF
cis-1,2-Dichloroethylene
ND
0.035
0.012
ND
0.14
0.047
0.702
2/16/21
2:00
BRF
trans-1,2-Dichloroethylene
ND
0.035
0.010
ND
0.14
0.041
0.702
2/16/21
2:00
BRF
1,2-Dichloropropane
ND
0.035
0.013
ND
0.16
0.059
0.702
2/16/21
2:00
BRF
cis- 1,3 -Dichloropropene
ND
0.035
0.016
ND
0.16
0.074
0.702
2/16/21
2:00
BRF
trans- 1, 3 -Dichloropropene
ND
0.035
0.012
ND
0.16
0.054
0.702
2/16/21
2:00
BRF
1,2-Dichloro-1,1,2,2-tetrafluoroethane (Freon 114)
ND
0.035
0.020
ND
0.25
0.14
0.702
2/16/21
2:00
BRF
1,4-Dioxane
ND
0.35
0.098
ND
1.3
0.35
0.702
2/16/21
2:00
BRF
Ethanol
11
1.4
0.43
V-34
21
2.6
0.80
0.702
2/16/21
2:00
BRF
Ethyl Acetate
ND
0.35
0.21
ND
1.3
0.75
0.702
2/16/21
2:00
BRF
Ethylbenzene
0.029
0.035
0.0073
J
0.12
0.15
0.032
0.702
2/16/21
2:00
BRF
4-Ethyltoluene
ND
0.035
0.011
ND
0.17
0.053
0.702
2/16/21
2:00
BRF
Heptane
0.24
0.035
0.015
0.97
0.14
0.062
0.702
2/16/21
2:00
BRF
Hexachlorobutadiene
ND
0.035
0.016
ND
0.37
0.17
0.702
2/16/21
2:00
BRF
Hexane
ND
1.4
0.064
ND
4.9
0.22
0.702
2/16/21
2:00
BRF
2-Hexanone (MBK)
ND
0.035
0.020
ND
0.14
0.081
0.702
2/16/21
2:00
BRF
Isopropanol
0.85
1.4
0.32
J
2.1
3.4
0.79
0.702
2/16/21
2:00
BRF
Methyl tert-Butyl Ether (MTBE)
ND
0.035
0.014
ND
0.13
0.051
0.702
2/16/21
2:00
BRF
Methylene Chloride
0.43
0.35
0.081
1.5
1.2
0.28
0.702
2/16/21
2:00
BRF
4-Methyl-2-pentanone (MIBK)
ND
0.035
0.018
ND
0.14
0.075
0.702
2/16/21
2:00
BRF
Naphthalene
ND
0.035
0.020
Z-01
ND
0.18
0.10
0.702
2/16/21
2:00
BRF
Propene
ND
1.4
0.12
ND
2.4
0.20
0.702
2/16/21
2:00
BRF
Styrene
ND
0.035
0.010
ND
0.15
0.043
0.702
2/16/21
2:00
BRF
1,1,2,2-Tetrachloroethane
ND
0.035
0.0093
ND
0.24
0.064
0.702
2/16/21
2:00
BRF
Page 28 of 50

Con -test®
A Pace Analytical® Laboratory
39 Spruce Street ` East Longmeadow, MA 01028 ` FAX [phone] " TEL. [phone]
ANALYTICAL RESULTS
Project Location: High Point, NC
Sample Description/Location:
Work Order: 21BO366
Date Received: 2/9/2021
Sub Description/Location:
Initial Vacuum(in Hg): -29
Field Sample #: Dup
Canister ID: 2197
Final Vacuum(in Hg): -8
Sample ID: 21BO366-13
Canister Size: 6 liter
Receipt Vacuum(in Hg): -9.9
Sample Matrix: Indoor air
Flow Controller ID: 3410
Flow Controller Type: Fixed -Orifice
Sampled: 2/9/2021 00:00
Sample Type: 8 hr
Flow Controller Calibration
RPD Pre and Post -Sampling:
Analyte
Results
ppbv
RL
EPA TO-15
MDL
Flag/Qual Results
ug/m3
RL
MDL
Dilution
Date/Time
Analyzed
Analyst
Tetrachloroethylene
ND
0.035
0.011
ND
0.24
0.078
0.702
2/16/21
2:00
BRF
Tetrahydrofuran
ND
0.35
0.087
ND
1.0
0.26
0.702
2/16/21
2:00
BRF
Toluene
0.40
0.035
0.010
1.5
0.13
0.038
0.702
2/16/21
2:00
BRF
1,2,4-Trichlorobenzene
ND
0.035
0.021
ND
0.26
0.16
0.702
2/16/21
2:00
BRF
1, 1, 1 -Trichloroethane
ND
0.035
0.011
ND
0.19
0.062
0.702
2/16/21
2:00
BRF
1,1,2-Trichloroethane
ND
0.035
0.013
ND
0.19
0.070
0.702
2/16/21
2:00
BRF
Trichloroethylene
0.071
0.035
0.013
0.38
0.19
0.070
0.702
2/16/21
2:00
BRF
Trichlorofluoromethane (Freon 11)
0.21
0.14
0.027
1.2
0.79
0.15
0.702
2/16/21
2:00
BRF
1,1,2-Trichloro-1,2,2-trifluoroethane (Freon 113)
ND
0.14
0.026
ND
1.1
0.20
0.702
2/16/21
2:00
BRF
1,2,4-Trimethylbenzene
ND
0.035
0.0080
ND
0.17
0.039
0.702
2/16/21
2:00
BRF
1,3,5-Trimethylbenzene
ND
0.035
0.0091
ND
0.17
0.045
0.702
2/16/21
2:00
BRF
Vinyl Acetate
ND
0.70
0.098
ND
2.5
0.35
0.702
2/16/21
2:00
BRF
Vinyl Chloride
ND
0.035
0.020
ND
0.090
0.050
0.702
2/16/21
2:00
BRF
m&p-Xylene
0.086
0.070
0.012
0.37
0.30
0.053
0.702
2/16/21
2:00
BRF
o-Xylene
0.037
0.035
0.0094
0.16
0.15
0.041
0.702
2/16/21
2:00
BRF
Surrogates % Recovery % REC Limits
4-Bromofluorobenzene (1) 99.6 70-130 2/16/21 2:00
Page 29 of 50

Con -test®
A Pace Analytical® Laboratory
39 Spruce Street ` East Longmeadow, MA 01028 ` FAX [phone] " TEL. [phone]
ANALYTICAL RESULTS
Project Location: High Point, NC
Sample Description/Location:
Work Order: 21BO366
Date Received: 2/9/2021
Sub Description/Location:
Initial Vacuum(in Hg): -28
Field Sample #: Dup-2
Canister ID: 2216
Final Vacuum(in Hg): -6
Sample ID: 21BO366-14
Canister Size: 6 liter
Receipt Vacuum(in Hg): -8.4
Sample Matrix: Indoor air
Flow Controller ID: 3176
Flow Controller Type: Fixed -Orifice
Sampled: 2/9/2021 00:00
Sample Type: 8 hr
Flow Controller Calibration
RPD Pre and Post -Sampling:
Analyte
Results
ppbv
RL
EPA TO-15
MDL
Flag/Qual
Results
ug/m3
RI
MDL
Dilution
Date/Time
Analyzed
Analyst
Acetone
8.2
1.4
0.85
20
3.3
2.0
0.702
2/16/21
2:48
BRF
Benzene
0.17
0.035
0.010
0.53
0.11
0.033
0.702
2/16/21
2:48
BRF
Benzyl chloride
ND
0.035
0.016
ND
0.18
0.082
0.702
2/16/21
2:48
BRF
Bromodichloromethane
ND
0.035
0.0098
ND
0.24
0.065
0.702
2/16/21
2:48
BRF
Bromoform
ND
0.035
0.012
ND
0.36
0.12
0.702
2/16/21
2:48
BRF
Bromomethane
ND
0.035
0.019
ND
0.14
0.072
0.702
2/16/21
2:48
BRF
1,3-Butadiene
ND
0.035
0.026
ND
0.078
0.057
0.702
2/16/21
2:48
BRF
2-Butanone (MEK)
0.80
1.4
0.12
J
2.4
4.1
0.34
0.702
2/16/21
2:48
BRF
Carbon Disulfide
ND
0.35
0.089
ND
1.1
0.28
0.702
2/16/21
2:48
BRF
Carbon Tetrachloride
0.076
0.035
0.0093
0.48
0.22
0.059
0.702
2/16/21
2:48
BRF
Chlorobenzene
ND
0.035
0.0085
ND
0.16
0.039
0.702
2/16/21
2:48
BRF
Chloroethane
ND
0.035
0.034
ND
0.093
0.091
0.702
2/16/21
2:48
BRF
Chloroform
ND
0.035
0.0085
ND
0.17
0.041
0.702
2/16/21
2:48
BRF
Chloromethane
0.60
0.070
0.027
1.2
0.14
0.055
0.702
2/16/21
2:48
BRF
Cyclohexane
ND
0.035
0.017
ND
0.12
0.059
0.702
2/16/21
2:48
BRF
Dibromochloromethane
ND
0.035
0.012
ND
0.30
0.10
0.702
2/16/21
2:48
BRF
1,2-Dibromoethane (EDB)
ND
0.035
0.0091
ND
0.27
0.070
0.702
2/16/21
2:48
BRF
1,2-Dichlorobenzene
ND
0.035
0.013
ND
0.21
0.078
0.702
2/16/21
2:48
BRF
1,3-Dichlorobenzene
ND
0.035
0.013
ND
0.21
0.077
0.702
2/16/21
2:48
BRF
1,4-Dichlorobenzene
ND
0.035
0.0079
ND
0.21
0.047
0.702
2/16/21
2:48
BRF
Dichlorodifluoromethane (Freon 12)
ND
0.035
0.011
ND
0.17
0.054
0.702
2/16/21
2:48
BRF
1,1-Dichloroethane
ND
0.035
0.011
ND
0.14
0.045
0.702
2/16/21
2:48
BRF
1,2-Dichloroethane
ND
0.035
0.013
ND
0.14
0.052
0.702
2/16/21
2:48
BRF
1,1-Dichloroethylene
ND
0.035
0.019
ND
0.14
0.076
0.702
2/16/21
2:48
BRF
cis-1,2-Dichloroethylene
ND
0.035
0.012
ND
0.14
0.047
0.702
2/16/21
2:48
BRF
trans-1,2-Dichloroethylene
ND
0.035
0.010
ND
0.14
0.041
0.702
2/16/21
2:48
BRF
1,2-Dichloropropane
ND
0.035
0.013
ND
0.16
0.059
0.702
2/16/21
2:48
BRF
cis- 1,3 -Dichloropropene
ND
0.035
0.016
ND
0.16
0.074
0.702
2/16/21
2:48
BRF
trans- 1, 3 -Dichloropropene
ND
0.035
0.012
ND
0.16
0.054
0.702
2/16/21
2:48
BRF
1,2-Dichloro-1,1,2,2-tetrafluoroethane (Freon 114)
ND
0.035
0.020
ND
0.25
0.14
0.702
2/16/21
2:48
BRF
1,4-Dioxane
ND
0.35
0.098
ND
1.3
0.35
0.702
2/16/21
2:48
BRF
Ethanol
8.0
1.4
0.43
V-34
15
2.6
0.80
0.702
2/16/21
2:48
BRF
Ethyl Acetate
ND
0.35
0.21
ND
1.3
0.75
0.702
2/16/21
2:48
BRF
Ethylbenzene
0.032
0.035
0.0073
J
0.14
0.15
0.032
0.702
2/16/21
2:48
BRF
4-Ethyltoluene
ND
0.035
0.011
ND
0.17
0.053
0.702
2/16/21
2:48
BRF
Heptane
ND
0.035
0.015
ND
0.14
0.062
0.702
2/16/21
2:48
BRF
Hexachlorobutadiene
ND
0.035
0.016
ND
0.37
0.17
0.702
2/16/21
2:48
BRF
Hexane
ND
1.4
0.064
ND
4.9
0.22
0.702
2/16/21
2:48
BRF
2-Hexanone (MBK)
ND
0.035
0.020
ND
0.14
0.081
0.702
2/16/21
2:48
BRF
Isopropanol
0.87
1.4
0.32
J
2.1
3.4
0.79
0.702
2/16/21
2:48
BRF
Methyl tert-Butyl Ether (MTBE)
ND
0.035
0.014
ND
0.13
0.051
0.702
2/16/21
2:48
BRF
Methylene Chloride
0.21
0.35
0.081
J
0.73
1.2
0.28
0.702
2/16/21
2:48
BRF
4-Methyl-2-pentanone (MIBK)
ND
0.035
0.018
ND
0.14
0.075
0.702
2/16/21
2:48
BRF
Naphthalene
ND
0.035
0.020
Z-01
ND
0.18
0.10
0.702
2/16/21
2:48
BRF
Propene
ND
1.4
0.12
ND
2.4
0.20
0.702
2/16/21
2:48
BRF
Styrene
0.069
0.035
0.010
0.29
0.15
0.043
0.702
2/16/21
2:48
BRF
1,1,2,2-Tetrachloroethane
ND
0.035
0.0093
ND
0.24
0.064
0.702
2/16/21
2:48
BRF
Page 30 of 50

Con -test®
A Pace Analytical® Laboratory
Project Location: High Point, NC
Date Received: 2/9/2021
Field Sample #: Dup-2
Sample ID: 21BO366-14
Sample Matrix: Indoor air
Sampled: 2/9/2021 00:00
39 Spruce Street ` East Longmeadow, MA 01028 ` FAX [phone] " TEL. [phone]
ANALYTICAL RESULTS
Sample Description/Location:
Sub Description/Location:
Canister ID: 2216
Canister Size: 6 liter
Flow Controller ID: 3176
Sample Type: 8 hr
Work Order: 21BO366
Initial Vacuum(in Hg): -28
Final Vacuum(in Hg): -6
Receipt Vacuum(in Hg): -8.4
Flow Controller Type: Fixed -Orifice
Flow Controller Calibration
RPD Pre and Post -Sampling:
EPA TO-15
ppbv ug/m3 Date/Time
Analyte Results RL MDL Flag/Qual Results RL MDL Dilution Analyzed Analyst
Tetrachloroethylene
0.013
0.035
0.011
J 0.090
0.24
0.078
0.702
2/16/21
2:48
BRF
Tetrahydrofuran
0.30
0.35
0.087
J 0.88
1.0
0.26
0.702
2/16/21
2:48
BRF
Toluene
0.40
0.035
0.010
1.5
0.13
0.038
0.702
2/16/21
2:48
BRF
1,2,4-Trichlorobenzene
ND
0.035
0.021
ND
0.26
0.16
0.702
2/16/21
2:48
BRF
1, 1, 1 -Trichloroethane
ND
0.035
0.011
ND
0.19
0.062
0.702
2/16/21
2:48
BRF
1,1,2-Trichloroethane
ND
0.035
0.013
ND
0.19
0.070
0.702
2/16/21
2:48
BRF
Trichloroethylene
0.046
0.035
0.013
0.25
0.19
0.070
0.702
2/16/21
2:48
BRF
Trichlorofluoromethane (Freon 11)
0.21
0.14
0.027
1.2
0.79
0.15
0.702
2/16/21
2:48
BRF
1,1,2-Trichloro-1,2,2-trifluoroethane (Freon 113)
0.059
0.14
0.026
J 0.45
1.1
0.20
0.702
2/16/21
2:48
BRF
1,2,4-Trimethylbenzene
ND
0.035
0.0080
ND
0.17
0.039
0.702
2/16/21
2:48
BRF
1,3,5-Trimethylbenzene
ND
0.035
0.0091
ND
0.17
0.045
0.702
2/16/21
2:48
BRF
Vinyl Acetate
ND
0.70
0.098
ND
2.5
0.35
0.702
2/16/21
2:48
BRF
Vinyl Chloride
ND
0.035
0.020
ND
0.090
0.050
0.702
2/16/21
2:48
BRF
m&p-Xylene
0.090
0.070
0.012
0.39
0.30
0.053
0.702
2/16/21
2:48
BRF
o-Xylene
0.036
0.035
0.0094
0.16
0.15
0.041
0.702
2/16/21
2:48
BRF
Surrogates
4-Bromofluorobenzene (1)
% Recovery
100
% REC Limits
70-130
2/16/21 2:48
Page 31 of 50

Con -test®
A Pace Analytical® Laboratory
39 Spruce Street ` East Longmeadow, MA 01028 ` FAX [phone] " TEL. [phone]
Sample Extraction Data
Prep Method: TO-15 Prep -EPA TO-15
Lab Number [Field ID]
Batch
Pressure
Dilution
Pre
Dilution
Pre-Dil
Initial
mL
Pre-Dil
Final
mL
Default
Injection
mL
Actual
Injection
mL
Date
21BO366-01 [A-2]
B276533
1.5
1
N/A
1000
400
855
02/15/21
21BO366-02 [A-1]
B276533
1.5
1
N/A
1000
400
855
02/15/21
21BO366-02RE1 [A-1]
B276533
1.5
1
N/A
1000
400
300
02/15/21
21BO366-03 [A-4]
B276533
1.5
1
N/A
1000
400
855
02/15/21
21BO366-04 [A-5]
B276533
1.5
1
N/A
1000
400
855
02/15/21
21BO366-05 [A-7]
B276533
1.5
1
N/A
1000
400
855
02/15/21
21BO366-06[A-15]
B276533
1.5
1
N/A
1000
400
855
02/15/21
21BO366-07[A-10]
B276533
1.5
1
N/A
1000
400
855
02/15/21
21BO366-08[A-17]
B276533
1.5
1
N/A
1000
400
855
02/15/21
21BO366-08RE1 [A-17]
B276533
1.5
1
N/A
1000
400
150
02/15/21
21BO366-09 [A-19]
B276533
1.5
1
N/A
1000
400
855
02/15/21
21BO366-09RE1[A-19]
B276533
1.5
1
N/A
1000
400
150
02/15/21
21BO366-10[A-22]
B276533
2
1
N/A
1000
400
1000
02/15/21
21BO366-11[A-23]
B276533
2
1
N/A
1000
400
1000
02/15/21
21BO366-12 [AA]
B276533
1.5
1
N/A
1000
400
855
02/15/21
21BO366-13[Dup]
B276533
1.5
1
N/A
1000
400
855
02/15/21
21BO366-14 [Dup-2]
B276533
1.5
1
N/A
1000
400
855
02/15/21
Page 32 of 50

Con -test®
A Pace Analytical® Laboratory
39 Spruce Street ` East Longmeadow, MA 01028 ` FAX [phone] " TEL. [phone]
QUALITY CONTROL
Air Toxics by EPA Compendium Methods - Quality Control
ppbv ug/m3 Spike Level Source %REC RPD
nalyte Results RL Results RL ppbv Result %REC Limits RPD Limit Flag/Qua
Batch B276533 - TO-15 Prep
Blank (B276533-BLK1)
Prepared & Analyzed: 02/15/21
Acetone
ND
0.80
Benzene
ND
0.020
Benzyl chloride
ND
0.020
Bromodichloromethane
ND
0.020
Bromoform
ND
0.020
Bromomethane
ND
0.020
1,3-Butadiene
ND
0.020
2-Butanone (MEK)
ND
0.80
Carbon Disulfide
ND
0.20
Carbon Tetrachloride
ND
0.020
Chlorobenzene
ND
0.020
Chloroethane
ND
0.020
Chloroform
ND
0.020
Chloromethane
ND
0.040
Cyclohexane
ND
0.020
Dibromochloromethane
ND
0.020
1,2-Dibromoethane (EDB)
ND
0.020
1,2-Dichlorobenzene
ND
0.020
1,3-Dichlorobenzene
ND
0.020
114-Dichlorobenzene
ND
0.020
Dichlorodifluoromethane (Freon 12)
ND
0.020
1,1-Dichloroethane
ND
0.020
1,2-Dichloroethane
ND
0.020
1,1-Dichloroethylene
ND
0.020
cis-1,2-Dichloroethylene
ND
0.020
trans-1,2-Dichloroethylene
ND
0.020
1,2-Dichloropropane
ND
0.020
cis- 1,3 -Dichloropropene
ND
0.020
trans- l,3-Dichloropropene
ND
0.020
1,2-Dichloro- 1, 1,2,2-tetrafluoroethane
ND
0.020
(Freon 114)
1,4-Dioxane
ND
0.20
Ethanol
ND
0.80
V-34
Ethyl Acetate
ND
0.20
Ethylbenzene
ND
0.020
4-Ethyltoluene
ND
0.020
Heptane
ND
0.020
Hexachlorobutadiene
ND
0.020
Hexane
ND
0.80
2-Hexanone (MBK)
ND
0.020
Isopropanol
ND
0.80
Methyl tert-Butyl Ether (MTBE)
ND
0.020
Methylene Chloride
ND
0.20
4-Methyl-2-pentanone (MIBK)
ND
0.020
Naphthalene
ND
0.020
Z-01
Propene
ND
0.80
Styrene
ND
0.020
Page 33 of 50

Con -test®
A Pace Analytical® Laboratory
39 Spruce Street ` East Longmeadow, MA 01028 ` FAX [phone] " TEL. [phone]
QUALITY CONTROL
Air Toxics by EPA Compendium Methods - Quality Control
ppbv ug/m3 Spike Level Source %REC RPD
\nalyte Results RL Results RL ppbv Result %REC Limits RPD Limit Flag/Qua]
Batch B276533 - TO-15 Prep
Blank (B276533-BLKI)
Prepared & Analyzed: 02/15/21
1,1,2,2-Tetrachloroethane
ND
0.020
Tetrachloroethylene
ND
0.020
Tetrahydrofuran
0.068
0.20 J
Toluene
ND
0.020
1,2,4-Trichlorobenzene
ND
0.020
1, 1, 1 -Trichloroethane
ND
0.020
1,1,2-Trichloroethane
ND
0.020
Trichloroethylene
ND
0.020
Trichlorofluoromethane (Freon 11)
ND
0.080
1, 1,2-Trichloro- 1,2,2-trifluoroethane (Freon
ND
0.080
113)
1,2,4-Trimethylbenzene
ND
0.020
1,3,5-Trimethylbenzene
ND
0.020
Vinyl Acetate
ND
0.40
Vinyl Chloride
ND
0.020
m&p-Xylene
ND
0.040
o-Xylene
ND
0.020
Surrogate: 4-Bromofluorobenzene (1)
LCS (B276533-BS1)
7.96
8.00 99.5
Prepared & Analyzed: 02/15/21
70-130
Acetone
6.38
5.00
128
70-130
Benzene
5.31
5.00
106
70-130
Benzyl chloride
7.94
5.00
159
* 70-130
L-01, V-20
Bromodichloromethane
5.53
5.00
111
70-130
Bromoform
6.48
5.00
130
70-130
Bromomethane
4.02
5.00
80.4
70-130
1,3-Butadiene
5.46
5.00
109
70-130
2-Butanone (MEK)
5.22
5.00
104
70-130
Carbon Disulfide
4.74
5.00
94.9
70-130
Carbon Tetrachloride
5.70
5.00
114
70-130
Chlorobenzene
5.07
5.00
101
70-130
Chloroethane
5.21
5.00
104
70-130
Chloroform
4.66
5.00
93.1
70-130
Chloromethane
5.62
5.00
112
70-130
Cyclohexane
4.77
5.00
95.4
70-130
Dibromochloromethane
5.87
5.00
117
70-130
1,2-Dibromoethane (EDB)
5.27
5.00
105
70-130
1,2-Dichlorobenzene
7.11
5.00
142
* 70-130
L-01
1,3-Dichlorobenzene
6.76
5.00
135
* 70-130
L-01
1,4-Dichlorobenzene
6.69
5.00
134
* 70-130
L-01
Dichlorodifluoromethane (Freon 12)
5.31
5.00
106
70-130
1,1-Dichloroethane
4.76
5.00
95.3
70-130
1,2-Dichloroethane
5.29
5.00
106
70-130
1,1-Dichloroethylene
5.02
5.00
100
70-130
cis-1,2-Dichloroethylene
4.72
5.00
94.3
70-130
trans-1,2-Dichloroethylene
4.86
5.00
97.2
70-130
1,2-Dichloropropane
5.46
5.00
109
70-130
Page 34 of 50

Con -test®
A Pace Analytical® Laboratory
39 Spruce Street ` East Longmeadow, MA 01028 ` FAX [phone] " TEL. [phone]
QUALITY CONTROL
Air Toxics by EPA Compendium Methods - Quality Control
ppbv ug/m3 Spike Level Source %REC RPD
\nalyte Results RL Results RL ppbv Result %REC Limits RPD Limit Flag/Qua]
Batch B276533 - TO-15 Prep
LCS (B276533-BS1)
Prepared & Analyzed: 02/15/21
cis-1,3-Dichloropropene
5.09
5.00
102
70-130
trans-1,3-Dichloropropene
5.88
5.00
118
70-130
1,2-Dichloro- 1, 1,2,2-tetrafluoroethane
4.32
5.00
86.3
70-130
(Freon 114)
1,4-Dioxane
4.46
5.00
89.3
70-130
Ethanol
4.16
5.00
83.2
70-130
V-34
Ethyl Acetate
4.50
5.00
90.0
70-130
Ethylbenzene
5.57
5.00
111
70-130
4-Ethyltoluene
6.05
5.00
121
70-130
Heptane
5.64
5.00
113
70-130
Hexachlorobutadiene
6.55
5.00
131 *
70-130
L-01
Hexane
5.98
5.00
120
70-130
2-Hexanone (MBK)
5.57
5.00
ill
70-130
Isopropanol
5.23
5.00
105
70-130
Methyl tert-Butyl Ether (MTBE)
4.66
5.00
93.1
70-130
Methylene Chloride
5.44
5.00
109
70-130
4-Methyl-2-pentanone (MIBK)
6.00
5.00
120
70-130
Naphthalene
5.37
5.00
107
70-130
Z-01
Propene
5.08
5.00
102
70-130
Styrene
5.52
5.00
110
70-130
1,1,2,2-Tetrachloroethane
5.47
5.00
109
70-130
Tetrachloroethylene
5.10
5.00
102
70-130
Tetrahydrofuran
4.71
5.00
94.2
70-130
Toluene
5.37
5.00
107
70-130
1,2,4-Trichlorobenzene
6.70
5.00
134 *
70-130
L-01
1, 1, 1 -Trichloroethane
5.16
5.00
103
70-130
1,1,2-Trichloroethane
5.27
5.00
105
70-130
Trichloroethylene
5.11
5.00
102
70-130
Trichlorofluoromethane (Freon 11)
4.96
5.00
99.2
70-130
1, 1,2-Trichloro- 1,2,2-trifluoroethane (Freon
4.62
5.00
92.5
70-130
113)
1,2,4-Trimethylbenzene
6.36
5.00
127
70-130
1,3,5-Trimethylbenzene
6.16
5.00
123
70-130
Vinyl Acetate
5.22
5.00
104
70-130
Vinyl Chloride
4.95
5.00
98.9
70-130
m&p-Xylene
11.6
10.0
116
70-130
o-Xylene
5.80
5.00
116
70-130
Surrogate: 4-Bromofluorobenzene (1) 8.39 8.00 105 70-130
Page 35 of 50

Con -test®
A Pace Analytical® Laboratory
39 Spruce Street ` East Longmeadow, MA 01028 ` FAX [phone] " TEL. [phone]
QUALITY CONTROL
Air Toxics by EPA Compendium Methods - Quality Control
ppbv ug/m3 Spike Level Source %REC RPD
Analyte Results RL Results RL ppbv Result %REC Limits RPD Limit Flag/Qual
Batch B276533 - TO-15 Prep
Duplicate (B276533-DUPI)
Source: 21BO366-12
Prepared: 02/15/21 Analyzed: 02/16/21
Acetone
5.0
1.4
12
3.3
5.0
0.423
25
Benzene
0.17
0.035
0.54
0.11
0.17
1.26
25
Benzyl chloride
ND
0.035
ND
0.18
ND
25
Bromodichloromethane
ND
0.035
ND
0.24
ND
25
Bromoform
ND
0.035
ND
0.36
ND
25
Bromomethane
ND
0.035
ND
0.14
ND
25
1,3-Butadiene
ND
0.035
ND
0.078
ND
25
2-Butanone (MEK)
0.67
1.4
2.0
4.1
0.67
0.525
25
J
Carbon Disulfide
ND
0.35
ND
1.1
ND
25
Carbon Tetrachloride
0.077
0.035
0.49
0.22
0.078
0.905
25
Chlorobenzene
ND
0.035
ND
0.16
ND
25
Chloroethane
ND
0.035
ND
0.093
ND
25
Chloroform
ND
0.035
ND
0.17
ND
25
Chloromethane
0.59
0.070
1.2
0.14
0.59
1.31
25
Cyclohexane
ND
0.035
ND
0.12
ND
25
Dibromochloromethane
ND
0.035
ND
0.30
ND
25
1,2-Dibromoethane (EDB)
ND
0.035
ND
0.27
ND
25
1,2-Dichlorobenzene
ND
0.035
ND
0.21
ND
25
1,3-Dichlorobenzene
ND
0.035
ND
0.21
ND
25
1,4-Dichlorobenzene
ND
0.035
ND
0.21
ND
25
Dichlorodifluoromethane (Freon 12)
0.22
0.035
1.1
0.17
0.25
14.1
25
1,1-Dichloroethane
ND
0.035
ND
0.14
ND
25
1,2-Dichloroethane
ND
0.035
ND
0.14
ND
25
1,1-Dichloroethylene
ND
0.035
ND
0.14
ND
25
cis-1,2-Dichloroethylene
ND
0.035
ND
0.14
ND
25
trans-1,2-Dichloroethylene
ND
0.035
ND
0.14
ND
25
1,2-Dichloropropane
ND
0.035
ND
0.16
ND
25
cis-1,3-Dichloropropene
ND
0.035
ND
0.16
ND
25
trans- 1, 3 -Dichloropropene
ND
0.035
ND
0.16
ND
25
1,2-Dichloro- 1, 1,2,2-tetrafluoroethane
ND
0.035
ND
0.25
ND
25
(Freon 114)
1,4-Dioxane
ND
0.35
ND
1.3
ND
25
Ethanol
4.2
1.4
7.9
2.6
4.2
0.752
25
V-34
Ethyl Acetate
ND
0.35
ND
1.3
ND
25
Ethylbenzene
0.025
0.035
0.11
0.15
0.025
0.00
25
J
4-Ethyltoluene
ND
0.035
ND
0.17
ND
25
Heptane
0.23
0.035
0.93
0.14
0.23
2.76
25
Hexachlorobutadiene
ND
0.035
ND
0.37
ND
25
Hexane
ND
1.4
ND
4.9
ND
25
2-Hexanone (MBK)
ND
0.035
ND
0.14
ND
25
Isopropanol
0.76
1.4
1.9
3.4
0.76
1.11
25
J
Methyl tert-Butyl Ether (MTBE)
ND
0.035
ND
0.13
ND
25
Methylene Chloride
0.53
0.35
1.8
1.2
0.54
1.19
25
4-Methyl-2-pentanone (MIBK)
ND
0.035
ND
0.14
ND
25
Naphthalene
ND
0.035
ND
0.18
ND
25
Z-01
Propene
ND
1.4
ND
2.4
ND
25
Styrene
ND
0.035
ND
0.15
ND
25
Page 36 of 50

Con -test®
A Pace Analytical® Laboratory
39 Spruce Street ` East Longmeadow, MA 01028 ` FAX [phone] " TEL. [phone]
QUALITY CONTROL
Air Toxics by EPA Compendium Methods - Quality Control
ppbv ug/m3 Spike Level Source %REC RPD
Analyte Results RL Results RL ppbv Result %REC Limits RPD Limit Flag/Qual
Batch B276533 - TO-15 Prep
Duplicate (B276533-DUPI)
Source: 21BO366-12
Prepared: 02/15/21 Analyzed: 02/16/21
1,1,2,2-Tetrachloroethane
ND
0.035
ND
0.24
ND
25
Tetrachloroethylene
0.013
0.035
0.086
0.24
ND
25 J
Tetrahydrofuran
ND
0.35
ND
1.0
ND
25
Toluene
0.37
0.035
1.4
0.13
0.36
1.73
25
1,2,4-Trichlorobenzene
ND
0.035
ND
0.26
ND
25
1, 1, 1 -Trichloroethane
ND
0.035
ND
0.19
ND
25
1,1,2-Trichloroethane
ND
0.035
ND
0.19
ND
25
Trichloroethylene
0.067
0.035
0.36
0.19
0.066
2.11
25
Trichlorofluoromethane (Freon 11)
0.21
0.14
1.2
0.79
0.21
0.336
25
1, 1,2-Trichloro- 1,2,2-trifluoroethane (Freon
ND
0.14
ND
1.1
ND
25
113)
1,2,4-Trimethylbenzene
ND
0.035
ND
0.17
ND
25
1,3,5-Trimethylbenzene
ND
0.035
ND
0.17
ND
25
Vinyl Acetate
ND
0.70
ND
2.5
ND
25
Vinyl Chloride
ND
0.035
ND
0.090
ND
25
m&p-Xylene
0.070
0.070
0.30
0.30
0.068
3.05
25
o-Xylene
0.029
0.035
0.13
0.15
0.030
2.35
25 J
Surrogate: 4-Bromofluorobenzene (1) 7.93 8.00 99.1 70-130
Page 37 of 50

Con -test®
A Pace Analytical® Laboratory
39 Spruce Street ` East Longmeadow, MA 01028 ` FAX [phone] " TEL. [phone]
Note: Blank Subtraction is not performed unless otherwise noted
FLAG/QUALIFIER SUMMARY
*
QC result is outside of established limits.
t
Wide recovery limits established for difficult compound.
$
Wide RPD limits established for difficult compound.
#
Data exceeded client recommended or regulatory level
RL
Reporting Limit
MDL
Method Detection Limit
RPD
Relative Percent Difference
LCS
Laboratory Control Sample
LCS Dup
Duplicate Laboratory Control Sample
MS
Matrix Spike Sample
MS Dup
Duplicate Matrix Spike Sample
REC
Recovery
QC
Quality Control
ppbv
Parts per billion volume
EPA
United States Environmental Protection Agency
% REC Percent Recovery
ND Not Detected
N/A Not Applicable
DL Detection Limit
NC Not Calculated
LFB/LCS Lab Fortified Blank/Lab Control Sample
ORP Oxidation -Reduction Potential
wet Not dry weight corrected
% wt Percent weight
Kg Kilogram
g Gram
mg Milligram
µg Microgram
ng Nanogram
L Liter
mL Milliliter
µL Microliter
m3 Cubic Meter
EPH Extractable Petroleum Hydrocarbons
VPH Volatile Petroleum Hydrocarbons
APH Air Petroleum Hydrocarbons
FID Flame Ionization Detector
PID Photo Ionization Detector
Percent recoveries and relative percent differences (RPDs) are determined by the software using values in the
calculation which have not been rounded.
J Detected but below the Reporting Limit (lowest calibration standard); therefore, result is an estimated
concentration (CLP J-Flag).
L-01 Laboratory fortified blank /laboratory control sample recovery outside of control limits. Data validation is not
affected since all results are "not detected" for all samples in this batch for this compound and bias is on the high
side.
V-20 Continuing calibration verification (CCV) did not meet method specifications and was biased on the high side.
Data validation is not affected since sample result was "not detected" for this compound.
V-34 Initial calibration verification (ICV) did not meet method specifications and was biased on the low side for this
compound. Reported result is estimated.
Z-01 Calibrations RSD for this compound is >30% but <40%.
Page 38 of 50

Con -test®
A Pace Analytical® Laboratory
39 Spruce Street ` East Longmeadow, MA 01028 ` FAX [phone] " TEL. [phone]
RLF Rebecca Faust
RAP Raisa A. Petraitis
STATION PDF Management Station
KKM Kerry K. McGee
BRF Brittany R. Fisk
ANALYST
Page 39 of 50

Con -test®
A Pace Analytical® Laboratory
39 Spruce Street ` East Longmeadow, MA 01028 ` FAX [phone] " TEL. [phone]
INTERNAL STANDARD AREAAND RT SUMMARY
EPA TO-15
Internal Standard
Response
RT
Reference
Response
Reference
RT
Area %
Area o/
Limits
RT Diff
RT Diff
Limit
Q
Initial Cal Check (S055345-ICV1) Lab File ID: G2034717.13 Analyzed: 12/12/20 20:54
Bromochloromethane (1)
505996
8.515
488099
8.515
104
60 - 140
0.0000
+/-0.50
1,4-Difluorobenzene(1)
1450373
10.289
1376596
10.289
105
60-140
0.0000
+/-0.50
Chlorobenzene-d5(1)
1360732
14.667
1307205
14.666
104
60-140
0.0010
+/-0.50
INTERNAL STANDARD AREAAND RT SUMMARY
EPA TO-15
Internal Standard
Response
RT
Reference
Response
Reference
RT
Area %
Area o/
Limits
RT Diff
RT Diff
Limit
Q
Calibration Check (S056996-CCV1) Lab File ID: G2104606.13 Analyzed: 02/15/21 11:57
Bromochloromethane (1)
492549
8.509
488099
8.515
101
60 - 140
-0.0060
+/-0.50
1,4-Difluorobenzene (1)
1159838
10.289
1376596
10.289
84
60 - 140
0.0000
+/-0.50
Chlorobenzene-d5(1)
1075449
14.66
1307205
14.666
82
60-140
-0.0060
+/-0.50
LCS (B276533-BS1 ) Lab File ID: G2104607.13 Analyzed: 02/15/21 12:37
Bromochloromethane (1)
486982
8.509
492549
8.509
99
60 - 140
0.0000
+/-0.50
1,4-Difluorobenzene (1)
1161630
10.289
1159838
10.289
100
60 - 140
0.0000
+/-0.50
Chlorobenzene-d5(1)
1070323
14.66
1075449
14.66
100
60-140
0.0000
+/-0.50
Blank (B276533-BLK1) Lab File ID: G2104610.13 Analyzed: 02/15/21 14:53
Bromochloromethane (1)
482766
8.515
492549
8.509
98
60 - 140
0.0060
+/-0.50
1,4-Difluorobenzene(1)
1102641
10.289
1159838
10.289
95
60-140
0.0000
+/-0.50
Chlorobenzene-d5(1)
1009768
14.66
1075449
14.66
94
60-140
0.0000
+/-0.50
A-2 (21B0366-01) Lab File ID: G2104611.13 Analyzed: 02/15/21 15:40
Bromochloromethane (1)
481513
8.509
492549
8.509
98
60 - 140
0.0000
+/-0.50
1,4-Difluorobenzene(1)
1097125
10.289
1159838
10.289
95
60-140
0.0000
+/-0.50
Chlorobenzene-d5(1)
992944
14.66
1075449
14.66
92
60-140
0.0000
+/-0.50
A-1 (21B0366-02) Lab File ID: G2104612.13 Analyzed: 02/15/21 16:27
Bromochloromethane (1)
486820
8.509
492549
8.509
99
60 - 140
0.0000
+/-0.50
1,4-Difluorobenzene(1)
1101307
10.289
1159838
10.289
95
60-140
0.0000
+/-0.50
Chlorobenzene-d5(1)
989147
14.66
1075449
14.66
92
60-140
0.0000
+/-0.50
A4 (21B0366-03 ) Lab File ID: G2104613.1) Analyzed: 02/15/21 17:15
Bromochloromethane (1)
486060
8.509
492549
8.509
99
60 - 140
0.0000
+/-0.50
1,4-Difluorobenzene(1)
1102483
10.283
1159838
10.289
95
60-140
-0.0060
+/-0.50
Chlorobenzene-d5(1)
990601
14.66
1075449
14.66
92
60-140
0.0000
+/-0.50
A-5 (21B0366-04) Lab File ID: G2104614.1) Analyzed: 02/15/21 18:02
Bromochloromethane (1)
483747
8.509
492549
8.509
98
60 - 140
0.0000
+/-0.50
1,4-Difluorobenzene(1)
1110266
10.283
1159838
10.289
96
60-140
-0.0060
+/-0.50
Chlorobenzene-d5(1)
987036
14.66
1075449
14.66
92
60-140
0.0000
+/-0.50
Page 40 of 50

Con -test®
A Pace Analytical® Laboratory
39 Spruce Street ` East Longmeadow, MA 01028 ` FAX [phone] " TEL. [phone]
INTERNAL STANDARD AREAAND RT SUMMARY
EPA TO-15
Internal Standard
Response
RT
Reference
Response
Reference
RT
Area %
Area o/
Limits
RT Diff
RT Diff
Limit
Q
A-7 (21110366-05) Lab File ID: G2104615.D Analyzed: 02/15/21 18:49
Bromochloromethane (1)
479835
8.515
492549
8.509
97
60 - 140
0.0060
+/-0.50
1,4-Difluorobenzene(1)
1095239
10.289
1159838
10.289
94
60-140
0.0000
+/-0.50
Chlorobenzene-d5(1)
985812
14.66
1075449
14.66
92
60-140
0.0000
+/-0.50
A-15 (21110366-06) Lab File ID: G2104616.D Analyzed: 02/15/21 19:36
Bromochloromethane (1)
480699
8.515
492549
8.509
98
60 - 140
0.0060
+/-0.50
1,4-Difluorobenzene (1)
1095068
10.289
1159838
10.289
94
60 - 140
0.0000
+/-0.50
Chlorobenzene-d5(1)
994777
14.66
1075449
14.66
92
60-140
0.0000
+/-0.50
A-10 (21B0366-07) Lab File ID: G2104617.D Analyzed: 02/15/21 20:23
Bromochloromethane (1)
490287
8.509
492549
8.509
100
60 - 140
0.0000
+/-0.50
1,4-Difluorobenzene(1)
1116682
10.283
1159838
10.289
96
60-140
-0.0060
+/-0.50
Chlorobenzene-d5(1)
1005362
14.66
1075449
14.66
93
60-140
0.0000
+/-0.50
A-17 (21130366-08) Lab File ID: G2104618.D Analyzed: 02/15/21 21:11
Bromochloromethane (1)
487017
8.509
492549
8.509
99
60 - 140
0.0000
+/-0.50
1,4-Difluorobenzene(1)
1103934
10.289
1159838
10.289
95
60-140
0.0000
+/-0.50
Chlorobenzene-d5(1)
996964
14.66
1075449
14.66
93
60-140
0.0000
+/-0.50
A-19 (21130366-09) Lab File ID: G2104619.13 Analyzed: 02/15/21 21:58
Bromochloromethane (1)
487855
8.509
492549
8.509
99
60 - 140
0.0000
+/-0.50
1,4-Difluorobenzene(1)
1120341
10.289
1159838
10.289
97
60-140
0.0000
+/-0.50
Chlorobenzene-d5(1)
1006578
14.66
1075449
14.66
94
60-140
0.0000
+/-0.50
A-22 (21130366-10) Lab File ID: G2104620.1) Analyzed: 02/15/21 22:47
Bromochloromethane (1)
488920
8.509
492549
8.509
99
60 - 140
0.0000
+/-0.50
1,4-Difluorobenzene(1)
1119228
10.283
1159838
10.289
96
60-140
-0.0060
+/-0.50
Chlorobenzene-d5(1)
1002889
14.661
1075449
14.66
93
60-140
0.0010
+/-0.50
A-23 (21B0366-11) Lab File ID: G2104621.1) Analyzed: 02/15/21 23:36
Bromochloromethane (1)
490261
8.509
492549
8.509
100
60 - 140
0.0000
+/-0.50
1,4-Difluorobenzene(1)
1121597
10.289
1159838
10.289
97
60-140
0.0000
+/-0.50
Chlorobenzene-d5(1)
1033066
14.66
1075449
14.66
96
60-140
0.0000
+/-0.50
AA (21B0366-12) Lab File ID: G2104622.13 Analyzed: 02/16/21 00:24
Bromochloromethane (1)
483475
8.509
492549
8.509
98
60 - 140
0.0000
+/-0.50
1,4-Difluorobenzene(1)
1112251
10.283
1159838
10.289
96
60-140
-0.0060
+/-0.50
Chlorobenzene-d5(1)
1027407
14.66
1075449
14.66
96
60-140
0.0000
+/-0.50
Duplicate (B276533-DUP1) Lab File ID: G2104623.13 Analyzed: 02/16/21 01:12
Bromochloromethane (1)
483528
8.509
492549
8.509
98
60 - 140
0.0000
+/-0.50
1,4-Difluorobenzene(1)
1105213
10.289
1159838
10.289
95
60-140
0.0000
+/-0.50
Chlorobenzene-d5(1)
1011066
14.661
1075449
14.66
94
60-140
0.0010
+/-0.50
Page 41 of 50

Con -test®
A Pace Analytical® Laboratory
39 Spruce Street ` East Longmeadow, MA 01028 ` FAX [phone] " TEL. [phone]
INTERNAL STANDARD AREAAND RT SUMMARY
EPA TO-15
Internal Standard
Response
RT
Reference
Response
Reference
RT
Area %
Area o/
Limits
RT Diff
RT Diff
Limit
Q
Dup (21B0366-13) Lab File ID: G2104624.D Analyzed: 02/16/21 02:00
Bromochloromethane (1)
482593
8.509
492549
8.509
98
60 - 140
0.0000
+/-0.50
1,4-Difluorobenzene (1)
1103377
10.289
1159838
10.289
95
60 - 140
0.0000
+/-0.50
Chlorobenzene-d5(1)
1009999
14.66
1075449
14.66
94
60-140
0.0000
+/-0.50
Dup-2 (21110366-14) Lab File ID: G2104625.D Analyzed: 02/16/21 02:48
Bromochloromethane (1)
480224
8.515
492549
8.509
97
60 - 140
0.0060
+/-0.50
1,4-Difluorobenzene (1)
1103546
10.289
1159838
10.289
95
60 - 140
0.0000
+/-0.50
Chlorobenzene-d5(1)
1012298
14.66
1075449
14.66
94
60-140
0.0000
+/-0.50
A-1 (21B0366-02RE1) Lab File ID: G2104629.D Analyzed: 02/16/21 07:12
Bromochloromethane (1)
478486
8.509
492549
8.509
97
60 - 140
0.0000
+/-0.50
1,4-Difluorobenzene(1)
1076768
10.283
1159838
10.289
93
60-140
-0.0060
+/-0.50
Chlorobenzene-d5(1)
980540
14.66
1075449
14.66
91
60-140
0.0000
+/-0.50
A-17 (21B0366-08RE1) Lab File ID: G2104630.D Analyzed: 02/16/21 07:53
Bromochloromethane (1)
476560
8.515
492549
8.509
97
60 - 140
0.0060
+/-0.50
1,4-Difluorobenzene(1)
1076689
10.289
1159838
10.289
93
60-140
0.0000
+/-0.50
Chlorobenzene-d5(1)
964876
14.66
1075449
14.66
90
60-140
0.0000
+/-0.50
A-19 (2180366-09RE1) Lab File ID: G210463 LD Analyzed: 02/16/21 08:33
Bromochloromethane (1)
477631
8.515
492549
8.509
97
60 - 140
0.0060
+/-0.50
1,4-Difluorobenzene(1)
1079138
10.289
1159838
10.289
93
60-140
0.0000
+/-0.50
Chlorobenzene-d5(1)
965010
14.66
1075449
14.66
90
60-140
0.0000
+/-0.50
Page 42 of 50

Con -test®
A Pace Analytical® Laboratory
39 Spruce Street' East Longmeadow, MA 01028 ` FAX [phone] " TEL. [phone]
CONTINUING CALIBRATION CHECK
EPA TO-15
S056996-CCV 1
COMPOUND
TYPE
CONC. (ppbv)
RESPONSE FACTOR
% DIFF / DRIFT
STD
CCV
ICAL
CCV
MIN (#)
CCV
LIMIT (#)
Acetone
A
5.00
6.05
0.8115801
0.982299
21.0
30
Benzene
A
5.00
5.34
0.8253918
0.8815824
6.8
30
Benzyl chloride
A
5.00
7.68
0.6145562
0.9433187
53.5
30
Bromodichloromethane
A
5.00
5.55
0.5778498
0.6410578
10.9
30
Bromoform
A
5.00
6.49
0.4192624
0.5442743
29.8
30
Bromomethane
A
5.00
3.90
0.6795511
0.5306404
-21.9
30
1,3-Butadiene
A
5.00
5.52
0.4670309
0.5152365
10.3
30
2-Butanone (MEK)
A
5.00
5.01
1.391985
1.393876
0.1
30
Carbon Disulfide
A
5.00
4.56
2.036096
1.855702
-8.9
30
Carbon Tetrachloride
A
5.00
5.85
0.4436002
0.5187718
16.9
30
Chlorobenzene
A
5.00
5.02
0.8044483
0.8075868
0.4
30
Chloroethane
A
5.00
5.06
0.3150064
0.3191041
1.3
30
Chloroform
A
5.00
4.57
1.520556
1.388707
-8.7
30
Chloromethane
A
5.00
5.66
0.5512885
0.6239282
13.2
30
Cyclohexane
A
5.00
4.82
0.3678605
0.3544785
-3.6
30
Dibromochloromethane
A
5.00
5.82
0.5169902
0.6020287
16.4
30
1,2-Dibromoethane (EDB)
A
5.00
5.24
0.5415779
0.5676706
4.8
30
1,2-Dichlorobenzene
A
5.00
6.50
0.4632959
0.6017922
29.9
30
1,3-Dichlorobenzene
A
5.00
6.41
0.5399699
0.6921894
28.2
30
1,4-Dichlorobenzene
A
5.00
6.32
0.5394339
0.6820697
26.4
30
Dichlorodifluoromethane (Freon 12)
A
5.00
5.21
1.493121
1.554509
4.1
30
1,1-Dichloroethane
A
5.00
4.61
1.3419
1.237474
-7.8
30
1,2-Dichloroethane
A
5.00
5.20
0.8766935
0.9114318
4.0
30
1,1-Dichloroethylene
A
5.00
4.96
1.09581
1.087401
-0.8
30
cis-1,2-Dichloroethyl-e
A
5.00
4.67
0.9778735
0.9132639
-6.6
30
trans-1,2-Dichloroethylene
A
5.00
4.74
1.001364
0.9502925
-5.1
30
1,2-Dichloropropane
A
5.00
5.42
0.3429147
0.3409635
-0.6
30
cis- 1,3 -Dichloropropene
A
5.00
5.40
0.49185
0.5309831
8.0
30
trans- l,3-Dichloropropene
A
5.00
5.86
0.3803086
0.4460499
17.3
30
1,2-Dichloro-1,1,2,2-tetrafluoroethane (Freon 1
A
5.00
4.54
1.677439
1.52185
-9.3
30
1,4-Dioxane
A
5.00
4.44
0.1902547
0.1690857
-11.1
30
Ethanol
A
5.00
5.02
0.1777114
0.178604
0.5
30
Ethyl Acetate
A
5.00
4.83
0.2531163
0.244329
-3.5
30
Ethylbenzene
A
5.00
5.59
1.254185
1.402549
11.8
30
4-Ethyltoluene
A
5.00
5.91
1.165435
1.378444
18.3
30
Heptane
A
5.00
5.83
0.2486656
0.2900998
16.7
30
Hexachlorobutadiene
A
5.00
6.35
0.2517735
0.3199527
27.1
30
Hexane
A
5.00
6.03
0.7306714
0.8519144
20.7
30
Page 43 of 50

Con -test®
A Pace Analytical® Laboratory
39 Spruce Street' East Longmeadow, MA 01028 ` FAX [phone] " TEL. [phone]
CONTINUING CALIBRATION CHECK
EPA TO-15
S056996-CCV 1
COMPOUND
TYPE
CONC. (ppbv)
RESPONSE FACTOR
% DIFF / DRIFT
STD
CCV
ICAL
CCV
MIN (#)
CCV
LIMIT (#)
2-Hexanone (MBK)
A
5.00
5.64
0.6463336
0.7293534
12.8
30
Isopropanol
A
5.00
6.07
0.9309363
1.129442
21.3
30
Methyl tert-Butyl Ether (MTBE)
A
5.00
4.57
1.859623
1.699573
-8.6
30
Methylene Chloride
A
5.00
5.41
0.7551994
0.8175073
8.3
30
4-Methyl-2-pentanone (MI13K)
A
5.00
6.06
0.6120112
0.7411628
21.1
30
Naphthalene
A
5.00
6.10
0.7534676
0.9188095
21.9
30
Propene
A
5.00
5.15
0.5248402
0.5410061
3.1
30
Styrene
A
5.00
5.44
0.7134873
0.7764854
8.8
30
1,1,2,2-Tetrachloroethane
A
5.00
5.22
0.7968045
0.8314369
4.3
30
Tetrachloroethylene
A
5.00
5.02
0.4375176
0.4396556
0.5
30
Tetrahydroforan
A
5.00
4.45
0.3140118
0.2794995
-11.0
30
Toluene
A
5.00
5.27
1.026641
1.082371
5.4
30
1,2,4-Trichlorobenzene
A
5.00
6.42
0.261409
0.3354789
28.3
30
1, 1, 1 -Trichloroethane
A
5.00
5.59
0.4894278
0.5474709
11.9
30
1,1,2-Trichloroethane
A
5.00
5.12
0.3661587
0.3752063
2.5
30
Trichloroethylene
A
5.00
5.14
0.3647202
0.3751793
2.9
30
Trichlorofluoromethane (Freon 11)
A
5.00
4.83
1.362922
1.31618
-3.4
30
1,1,2-Trichloro-1,2,2-trifluoroethane (Freon 11
A
5.00
4.57
1.362312
1.245599
-8.6
30
1,2,4-Trimethylbenzene
A
5.00
6.24
0.873309
1.089413
24.7
30
1,3,5-Trimethylbenzene
A
5.00
6.35
0.9277319
1.178255
27.0
30
Vinyl Acetate
A
5.00
4.86
1.724559
1.676042
-2.8
30
Vinyl Chloride
A
5.00
4.84
0.6891525
0.6673009
-3.2
30
m&p-Xylene
A
10.0
11.5
0.9378675
1.081531
15.3
30
o-Xylene
A
5.00
5.86
0.9558224
1.120665
17.2
30
# Column to be used to flag Response Factor and %Diff/Drift values with an asterisk
* Values outside of QC limits
Page 44 of 50

Con -test®
A Pace Analytical® Laboratory
39 Spruce Street ` East Longmeadow, MA 01028 ' FAX [phone] " TEL. [phone]
CERTIFICATIONS
Certified Analyses included in this Report
Analyte
EPA TO-15 in Air
Acetone
Benzene
Benzyl chloride
Bromodichloromethane
Bromoform
Bromomethane
1,3-Butadiene
2-Butanone (MEK)
Carbon Disulfide
Carbon Tetrachloride
Chlorobenzene
Chloroethane
Chloroform
Chloromethane
Cyclohexane
Dibromochloromethane
1,2-Dibromoethane (EDB)
1,2-Dichlorobenzene
1,3-Dichlorobenzene
1,4-Dichlorobenzene
Dichlorodifluoromethane (Freon 12)
1,1-Dichloroethane
1,2-Dichloroethane
1,1-Dichloroethylene
cis-1,2-Dichloroethylene
trans- l,2-Dichloro ethylene
1,2-Dichloropropane
cis- 1,3 -Dichloropropene
trans- 1, 3 -Dichloropropene
1,2-Dichloro-1,1,2,2-tetrafluoroethane (Freon 114)
1,4-Dioxane
Ethanol
Ethyl Acetate
Ethylbenzene
4-Ethyltoluene
Heptane
Hexachlorobutadiene
Hexane
2-Hexanone (MBK)
Isopropanol
Methyl tart -Butyl Ether (MTBE)
Methylene Chloride
4-Methyl-2-pentanone (MIBK)
Naphthalene
Propene
Styrene
1,1,2,2-Tetrachloroethane
Certifications
AIHA,NY,ME,NH
AIHA,FL,NJ,NY,ME,NH, VA
AIHA,FL,NJ,NY,ME,NH, VA
AIHA,NJ,NY,ME,NH,VA
AIHA,NJ,NY,ME,NH,VA
AIHA,FL,NJ,NY,ME,NH
AIHA,NJ,NY,ME,NH,VA
AIHA,FL,NJ,NY,ME,NH, VA
AIHA,NJ,NY,ME,NH, VA
AIHA,FL,NJ,NY,ME,NH, VA
AIHA,FL,NJ,NY,ME,NH, VA
AIHA,FL,NJ,NY,ME,NH, VA
AIHA,FL,NJ,NY,ME,NH, VA
AIHA,FL,NJ,NY,ME,NH, VA
AIHA,NJ,NY,ME,NH,VA
AIHA,NY,ME,NH
AIHA,NJ,NY,ME,NH
AIHA,FL,NJ,NY,ME,NH, VA
AIHA,NJ,NY,ME,NH
AIHA,FL,NJ,NY,ME,NH, VA
AIHA,NY,ME,NH
AIHA,FL,NJ,NY,ME,NH, VA
AIHA,FL,NJ,NY,ME,NH, VA
AIHA,FL,NJ,NY,ME,NH, VA
AIHA,FL,NY,ME,NH,VA
AIHA,NJ,NY,ME,NH,VA
AIHA,FL,NJ,NY,ME,NH, VA
AIHA,FL,NJ,NY,ME,NH, VA
AIHA,NY,ME,NH
AIHA,NJ,NY,ME,NH,VA
AIHA,NJ,NY,ME,NH,VA
AIHA
AIHA
AIHA,FL,NJ,NY,ME,NH, VA
AIHA,NJ
AIHA,NJ,NY,ME,NH,VA
AIHA,NJ,NY,ME,NH,VA
AIHA,FL,NJ,NY,ME,NH, VA
AIHA
AIHA,NY,ME,NH
AIHA,FL,NJ,NY,ME,NH, VA
AIHA,FL,NJ,NY,ME,NH, VA
AIHA,FL,NJ,NY,ME,NH
NY,ME,NH
AIHA
AIHA,FL,NJ,NY,ME,NH, VA
AIHA,FL,NJ,NY,ME,NH,VA
Page 45 of 50

Con -test®
A Pace Analytical® Laboratory
39 Spruce Street ` East Longmeadow, MA 01028 ' FAX [phone] " TEL. [phone]
CERTIFICATIONS
Certified Analyses included in this Report
Analyte
EPA TO-15 in Air
Tetrachloroethylene
Tetrahydrofuran
Toluene
1,2,4-Trichlorobenzene
1, 1, 1 -Trichloroethane
1,1,2-Trichloroethane
Trichloroethylene
Trichlorofluoromethane (Freon 11)
1,1,2-Trichloro-1,2,2-ttifluoroethane (Freon 113)
1,2,4-Trimethylbenzene
1,3,5-Trimethylbenzene
Vinyl Acetate
Vinyl Chloride
m&p-Xylene
o-Xylene
Certifications
AIHA,FL,NJ,NY,ME,NH, VA
AIHA
AIHA,FL,NJ,NY,ME,NH, VA
AIHA,NJ,NY,ME,NH,VA
AIHA,FL,NJ,NY,ME,NH, VA
AIHA,FL,NJ,NY,ME,NH, VA
AIHA,FL,NJ,NY,ME,NH, VA
AIHA,NY,ME,NH
AIHA,NJ,NY,ME,NH, VA
AIHA,NJ,NY,ME,NH
AIHA,NJ,NY,ME,NH
AIHA,FL,NJ,NY,ME,NH, VA
AIHA,FL,NJ,NY,ME,NH, VA
AIHA, FL,NJ,NY,ME,NH, VA
AIHA,FL,NJ,NY,ME,NH, VA
Con -Test, a Pace Environmental Laboratory, operates under the following certifications and accreditation:
Code
Description
Number
Expires
AHIA
AIHA-LAP, LLC - ISO17025:2017
100033
03/l/2022
MA
Massachusetts DEP
M-MA100
06/30/2021
CT
Connecticut Department of Publilc Health
PH-0165
12/31/2022
NY
New York State Department of Health
10899 NELAP
04/1/2021
NH-S
New Hampshire Environmental Lab
2516 NELAP
02/5/2022
RI
Rhode Island Department of Health
LA000112
12/30/2021
NC
North Carolina Div. of Water Quality
652
12/31/2021
NJ
New Jersey DEP
MA007 NELAP
06/30/2021
FL
Florida Department of Health
E871027 NELAP
06/30/2021
VT
Vermont Department of Health Lead Laboratory
LL720741
07/30/2021
ME
State of Maine
MA00100
06/9/2021
VA
Commonwealth of Virginia
460217
12/14/2021
NH-P
New Hampshire Environmental Lab
2557 NELAP
09/6/2021
VT-DW
Vermont Department of Health Drinking Water
VT-255716
06/12/2021
NC-DW
North Carolina Department of Health
25703
07/31/2021
PA
Commonwealth of Pennsylvania DEP
68-05812
06/30/2021
MI
Dept. of Env, Great Lakes, and Energy
9100
09/6/2021
Page 46 of 50

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Page 47 of 50

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Page 48 of 50

Mtm
TRACK ANOTHER SHIPMENT
783568667458�?
ADD NICKNAME
Scheduled : deliverY
Thursday, February 11, 2021 by end of day
THIS IS 1 OF 4 PIECES
IN TRANSIT
On FedEx vehicle for delivery
SOUTH WINDSOR, CT
GET STATUS UPDATES
FROM TO
EAST LONGMEADOW, MA US EAST LONGMEADOW, MA US
MANAGE DELIVERY
4 Piece Shipment
TRACKING ID
78356866742S(master)
STATUS
In transit
SHIP DATE
2/9/21
DELIVERY DATE
2/11/21
HANDLING PIECE UNITS
0
SHIPPER CITY, STATE
EAST LONGMEADOW MA
RECIPIENT CITY, STATE
EAST LONGMEADOW MA
Page 49 of 50

c�
I Piave Not Confirmed Sample Container
Numbers With Lab Staff Before
Relinquishing Over s�sa�v-r�csar i ,e,.Bos�--ory
Samples
Qac#:278 Reu: 6 �Q17
Air Media Sample Receipt Checklist - (Rejection Criteria Listing - using Acceptance Policy) Any False
Statement will be brought to the attention of the Client - State True or False
Client � ' �7
Received By - �.k Date 1� Time
Now were the samples In Cooler On Ice No ice
received? In Box --A, Ambient Melted Ice
Were samples within Temperature By Gun # Actual Temp -
Compliance? 2-6°C_ By Blank # Actual Temp -
Was Custody Seal Intact? Were Samples Tampered with?
Was COC Relinquished ? - t Does Chain Agree With Samples?
Are there any loose caps/valves on any samples?
Is COC in ink/ Legible? -T.
Did COC Include all Client s Analysis 7 Sampler Name i
Pertinent information? Project i- ID's i Collection Dates/Times
Are Sample Labels filled out and legible?
Are there Rushes? _ I
Samples are received within holding time?
Proper Media Used?
Are there Trip Blanks?
1
Who was notified?
Individually Certified Cans? T 1 i
Is there enough Volume? s
50 of 50

Con -test®
A Pace Analytical® Laboratory
39 Spruce Street ` East Longmeadow, MA 01028 ` FAX [phone] " TEL. [phone]
February 19, 2021
Chris Orrell
ECS Southeast - Greensboro, NC
4811 Koger Boulevard
Greensboro, NC 27407
Project Location: High Point, NC
Client Job Number:
Project Number: [none]
Laboratory Work Order Number: 21B0501
Enclosed are results of analyses for samples received by the laboratory on February 11, 2021. If you have any questions
concerning this report, please feel free to contact me.
Sincerely,
Kerry K. McGee
Project Manager
QA Officer
Katherine Allen
Laboratory Manager
Daren Damboragian
Page 1 of 45

Con -test®
A Pace Analytical® Laboratory
39 Spruce Street ` East Longmeadow, MA 01028 ` FAX [phone] " TEL. [phone]
ECS Southeast - Greensboro, NC REPORT DATE: 2/19/2021
4811 Koger Boulevard
Greensboro, NC 27407 PURCHASE ORDER NUMBER:
ATTN: Chris Orrell
PROJECT NUMBER: [none]
ANALYTICAL SUMMARY
WORK ORDER NUMBER: 21B0501
The results of analyses performed on the following samples submitted to Con -Test, a Pace Analytical Laboratory, are found in this report.
PROJECT LOCATION: High Point, NC
FIELD SAMPLE # LAB ID: MATRIX SAMPLE DESCRIPTION TEST SUB LAB
MP-10
21B0501-01
Soil Gas
EPATO-15
MP-11
21B0501-02
Soil Gas
EPATO-15
MP-9
21B0501-03
Soil Gas
EPATO-15
MP-7
21B0501-04
Soil Gas
EPA TO-15
MP-Dup
21B0501-05
Soil Gas
EPATO-15
MP-3
21B0501-06
Soil Gas
EPATO-15
MP-5
21B0501-07
Soil Gas
EPATO-15
MP-12
21B0501-08
Soil Gas
EPATO-15
MP-14
21B0501-09
Soil Gas
EPATO-15
MP-15
21B0501-10
Soil Gas
EPATO-15
MP-19
21B0501-11
Soil Gas
EPATO-15
MP-Dup 2
21B0501-12
Soil Gas
EPA TO-15
Page 2 of 45

Con -test®
A Pace Analytical® Laboratory
39 Spruce Street ` East Longmeadow, MA 01028 ` FAX [phone] " TEL. [phone]
CASE NARRATIVE SUMMARY
All reported results are within defined laboratory quality control objectives unless listed below or otherwise qualified in this report.
EPA TO-15
Qualifications:
Duplicate relative percent difference (RPD) is a less useful indicator of sample precision for sample results that are <5 times the reporting
limit (RL).
Analyte & Samples(s) Qualified:
Trichlorofluoromethane (Freon 11)
B276676-DUP 1
Initial calibration verification (ICV) did not meet method specifications and was biased on the low side for this compound. Reported result is
estimated.
Analyte & Samples(s) Qualified:
1,2,4-Trichlorobenzene
21B0501-01[MP-10], 21B0501-02[MP-11], 21B0501-03[MP-9], 21B0501-04[MP-7], 21B0501-05[MP-Dup], 21B0501-06[MP-3], 21B0501-07[MP-5], 21B0501-08[MP-12],
21B0501-09[MP-14], 21B0501-10[MP-15], 21B0501-11[MP-19], 21B0501-12[MP-Dup 2], B276676-BLKI, B276676-BS1, B276676-DUPI, S057059-CCVI
Compound fails the method requirement of 70-l3O% recovery for the LCS. Is classified by the lab as a difficult compound and passes the in
house limits of 50-150%.
Analyte & Samples(s) Qualified:
Naphthalene
21B0501-01[MP-10], 21B0501-02[MP-11], 21B0501-03[MP-9], 21B0501-04[MP-7], 21B0501-05[MP-Dup], 21B0501-06[MP-3], 21B0501-07[MP-5], 21B0501-08[MP-12],
21B0501-09[MP-14], 21B0501-10[MP-15], 21B0501-11[MP-19], 21B0501-12[MP-Dup 21, B276676-BLKI, B276676-BSI, B276676-DUPI
The results of analyses reported only relate to samples submitted to Con -Test, a Pace Analytical Laboratory, for testing.
I certify that the analyses listed above, unless specifically listed as subcontracted, if any, were performed under my direction according to the approved methodologies listed
in this document, and that based upon my inquiry of those individuals immediately responsible for obtaining the information, the material contained in this report is, to the
best of my knowledge and belief, accurate and complete.
d�
Lisa A. Worthington
Technical Representative
Page 3 of 45

Con -test®
A Pace Analytical® Laboratory
39 Spruce Street ` East Longmeadow, MA 01028 ` FAX [phone] " TEL. [phone]
ANALYTICAL RESULTS
Project Location: High Point, NC
Date Received: 2/11/2021
Field Sample #: MP-10
Sample ID: 21BO501-01
Sample Matrix: Soil Gas
Sampled: 2/9/2021 11:34
Sample Description/Location:
Sub Description/Location:
Canister ID: 2299
Canister Size: 1 liter
Flow Controller ID: 4093
Sample Type: 5 min
Work Order: 21BO501
Initial Vacuum(in Hg): -26
Final Vacuum(in Hg): -5
Receipt Vacuum(in Hg): -8.1
Flow Controller Type: Fixed -Orifice
Flow Controller Calibration
RPD Pre and Post -Sampling:
EPA TO-15
ppbv
ug/m3
Date/Time
Analyte
Results
RL
MDL
Flag/Qual
Results
RL
MDL
Dilution
Analyzed
Analyst
Acetone
26
8.0
4.8
63
19
11
4
2/17/21 13:47
BRF
Benzene
0.25
0.20
0.058
0.81
0.64
0.19
4
2/17/21 13:47
BRF
Benzyl chloride
ND
0.20
0.090
ND
1.0
0.47
4
2/17/21 13:47
BRF
Bromodichloromethane
ND
0.20
0.056
ND
1.3
0.37
4
2/17/21 13:47
BRF
Bromoform
ND
0.20
0.069
ND
2.1
0.71
4
2/17/21 13:47
BRF
Bromomethane
ND
0.20
0.11
ND
0.78
0.41
4
2/17/21 13:47
BRF
1,3-Butadiene
ND
0.20
0.15
ND
0.44
0.32
4
2/17/21 13:47
BRF
2-Butanone (MEK)
3.7
8.0
0.66
J
11
24
2.0
4
2/17/21 13:47
BRF
Carbon Disulfide
ND
2.0
0.51
ND
6.2
1.6
4
2/17/21 13:47
BRF
Carbon Tetrachloride
ND
0.20
0.053
ND
1.3
0.33
4
2/17/21 13:47
BRF
Chlorobenzene
ND
0.20
0.048
ND
0.92
0.22
4
2/17/21 13:47
BRF
Chloroethane
ND
0.20
0.20
ND
0.53
0.52
4
2/17/21 13:47
BRF
Chloroform
ND
0.20
0.048
ND
0.98
0.24
4
2/17/21 13:47
BRF
Chloromethane
ND
0.40
0.15
ND
0.83
0.32
4
2/17/21 13:47
BRF
Cyclohexane
9.0
0.20
0.098
31
0.69
0.34
4
2/17/21 13:47
BRF
Dibromochloromethane
ND
0.20
0.067
ND
1.7
0.57
4
2/17/21 13:47
BRF
1,2-Dibromoethane (EDB)
ND
0.20
0.052
ND
1.5
0.40
4
2/17/21 13:47
BRF
1,2-Dichlorobenzene
ND
0.20
0.074
ND
1.2
0.44
4
2/17/21 13:47
BRF
1,3-Dichlorobenzene
ND
0.20
0.073
ND
1.2
0.44
4
2/17/21 13:47
BRF
1,4-Dichlorobenzene
ND
0.20
0.045
ND
1.2
0.27
4
2/17/21 13:47
BRF
Dichlorodifluoromethane (Freon 12)
ND
0.20
0.063
ND
0.99
0.31
4
2/17/21 13:47
BRF
1, 1 -Dichloroethane
ND
0.20
0.063
ND
0.81
0.25
4
2/17/21 13:47
BRF
1,2-Dichloroethane
ND
0.20
0.073
ND
0.81
0.30
4
2/17/21 13:47
BRF
1, 1 -Dichloroethylene
ND
0.20
0.11
ND
0.79
0.43
4
2/17/21 13:47
BRF
cis-1,2-Dichloroethylene
ND
0.20
0.068
ND
0.79
0.27
4
2/17/21 13:47
BRF
trans-1,2-Dichloroethylene
ND
0.20
0.059
ND
0.79
0.23
4
2/17/21 13:47
BRF
1,2-Dichloropropane
ND
0.20
0.072
ND
0.92
0.33
4
2/17/21 13:47
BRF
cis- 1,3 -Dichloropropene
ND
0.20
0.093
ND
0.91
0.42
4
2/17/21 13:47
BRF
trans- 1, 3 -Dichloropropene
ND
0.20
0.067
ND
0.91
0.30
4
2/17/21 13:47
BRF
1,2-Dichloro- 1, 1,2,2-tetrafluoroethane (Freon 114)
ND
0.20
0.11
ND
1.4
0.79
4
2/17/21 13:47
BRF
1,4-Dioxane
ND
2.0
0.56
ND
7.2
2.0
4
2/17/21 13:47
BRF
Ethanol
24
8.0
2.4
45
15
4.6
4
2/17/21 13:47
BRF
Ethyl Acetate
ND
2.0
1.2
ND
7.2
4.3
4
2/17/21 13:47
BRF
Ethylbenzene
0.31
0.20
0.042
1.4
0.87
0.18
4
2/17/21 13:47
BRF
4-Ethyltoluene
ND
0.20
0.062
ND
0.98
0.30
4
2/17/21 13:47
BRF
Heptane
ND
0.20
0.086
ND
0.82
0.35
4
2/17/21 13:47
BRF
Hexachlorobutadiene
ND
0.20
0.088
ND
2.1
0.94
4
2/17/21 13:47
BRF
Hexane
ND
8.0
0.36
ND
28
1.3
4
2/17/21 13:47
BRF
2-Hexanone (MBK)
ND
0.40
0.11
ND
1.6
0.46
4
2/17/21 13:47
BRF
Isopropanol
3.0
8.0
1.8
J
7.4
20
4.5
4
2/17/21 13:47
BRF
Methyl tert-Butyl Ether (MTBE)
0.46
0.20
0.080
1.7
0.72
0.29
4
2/17/21 13:47
BRF
Methylene Chloride
30
2.0
0.46
100
6.9
1.6
4
2/17/21 13:47
BRF
4-Methyl-2-pentanone (MIBK)
ND
0.20
0.10
ND
0.82
0.43
4
2/17/21 13:47
BRF
Naphthalene
ND
0.20
0.11
Z-01
ND
1.0
0.59
4
2/17/21 13:47
BRF
Propene
ND
8.0
0.67
ND
14
1.2
4
2/17/21 13:47
BRF
Styrene
0.36
0.20
0.057
1.6
0.85
0.24
4
2/17/21 13:47
BRF
1,1,2,2-Tetrachloroethane
ND
0.20
0.053
ND
1.4
0.37
4
2/17/21 13:47
BRF
Page 4 of 45

Con -test®
A Pace Analytical® Laboratory
Project Location: High Point, NC
Date Received: 2/11/2021
Field Sample #: MP-10
Sample ID: 21BO501-01
Sample Matrix: Soil Gas
Sampled: 2/9/2021 11:34
39 Spruce Street ` East Longmeadow, MA 01028 ` FAX [phone] " TEL. [phone]
ANALYTICAL RESULTS
Sample Description/Location:
Sub Description/Location:
Canister ID: 2299
Canister Size: 1 liter
Flow Controller ID: 4093
Sample Type: 5 min
Work Order: 21BO501
Initial Vacuum(in Hg): -26
Final Vacuum(in Hg): -5
Receipt Vacuum(in Hg): -8.1
Flow Controller Type: Fixed -Orifice
Flow Controller Calibration
RPD Pre and Post -Sampling:
EPA TO-15
ppbv ug/m3 Date/Time
Analyte Results RL MDL Flag/Qual Results RL MDL Dilution Analyzed Analyst
Tetrachloroethylene
0.11
0.20
0.065
J 0.73
1.4
0.44
4
2/17/21 13:47
BRF
Tetrahydrofuran
ND
2.0
0.49
ND
5.9
1.5
4
2/17/21 13:47
BRF
Toluene
8.4
0.20
0.058
32
0.75
0.22
4
2/17/21 13:47
BRF
1,2,4-Trichlorobenzene
ND
0.20
0.12
V-34 ND
1.5
0.91
4
2/17/21 13:47
BRF
1, 1, 1 -Trichloroethane
ND
0.20
0.065
ND
1.1
0.36
4
2/17/21 13:47
BRF
1,1,2-Trichloroethane
ND
0.20
0.073
ND
1.1
0.40
4
2/17/21 13:47
BRF
Trichloroethylene
ND
0.20
0.074
ND
1.1
0.40
4
2/17/21 13:47
BRF
Trichlorofluoromethane (Freon 11)
0.18
0.80
0.15
J 1.0
4.5
0.85
4
2/17/21 13:47
BRF
1,1,2-Trichloro-1,2,2-trifluoroethane (Freon 113)
ND
0.80
0.15
ND
6.1
1.2
4
2/17/21 13:47
BRF
1,2,4-Trimethylbenzene
ND
0.20
0.046
ND
0.98
0.22
4
2/17/21 13:47
BRF
1,3,5-Trimethylbenzene
ND
0.20
0.052
ND
0.98
0.26
4
2/17/21 13:47
BRF
Vinyl Acetate
ND
4.0
0.56
ND
14
2.0
4
2/17/21 13:47
BRF
Vinyl Chloride
ND
0.20
0.11
ND
0.51
0.29
4
2/17/21 13:47
BRF
m&p-Xylene
0.75
0.40
0.070
3.2
1.7
0.30
4
2/17/21 13:47
BRF
o-Xylene
0.43
0.20
0.054
1.9
0.87
0.23
4
2/17/21 13:47
BRF
Surrogates
4-Bromofluorobenzene (1)
% Recovery
99.1
% REC Limits
70-130
2/17/21 13:47
Page 5 of 45

Con -test®
A Pace Analytical® Laboratory
39 Spruce Street ` East Longmeadow, MA 01028 ` FAX [phone] " TEL. [phone]
ANALYTICAL RESULTS
Project Location: High Point, NC
Sample Description/Location:
Work Order: 21BO501
Date Received: 2/11/2021
Sub Description/Location:
Initial Vacuum(in Hg): -28
Field Sample #: MP-11
Canister ID: 2257
Final Vacuum(in Hg): -5
Sample ID: 21BO501-02
Canister Size: 1 liter
Receipt Vacuum(in Hg): -7.7
Sample Matrix: Soil Gas
Flow Controller ID: 4182
Flow Controller Type: Fixed -Orifice
Sampled: 2/9/2021 12:06
Sample Type: 5 min
Flow Controller Calibration
RPD Pre and Post -Sampling:
Analyte
Results
ppbv
RL
EPA TO-15
MDL
Flag/Qual
Results
ug/m3
RL
MDL
Dilution
Date/Time
Analyzed
Analyst
Acetone
19
8.0
4.8
45
19
11
4
2/17/21 14:12
BRF
Benzene
0.30
0.20
0.058
0.95
0.64
0.19
4
2/17/21 14:12
BRF
Benzyl chloride
ND
0.20
0.090
ND
1.0
0.47
4
2/17/21 14:12
BRF
Bromodichloromethane
ND
0.20
0.056
ND
1.3
0.37
4
2/17/21 14:12
BRF
Bromoform
ND
0.20
0.069
ND
2.1
0.71
4
2/17/21 14:12
BRF
Bromomethane
ND
0.20
0.11
ND
0.78
0.41
4
2/17/21 14:12
BRF
1,3-Butadiene
ND
0.20
0.15
ND
0.44
0.32
4
2/17/21 14:12
BRF
2-Butanone (MEK)
ND
8.0
0.66
ND
24
2.0
4
2/17/21 14:12
BRF
Carbon Disulfide
ND
2.0
0.51
ND
6.2
1.6
4
2/17/21 14:12
BRF
Carbon Tetrachloride
0.080
0.20
0.053
J
0.50
1.3
0.33
4
2/17/21 14:12
BRF
Chlorobenzene
ND
0.20
0.048
ND
0.92
0.22
4
2/17/21 14:12
BRF
Chloroethane
ND
0.20
0.20
ND
0.53
0.52
4
2/17/21 14:12
BRF
Chloroform
ND
0.20
0.048
ND
0.98
0.24
4
2/17/21 14:12
BRF
Chloromethane
ND
0.40
0.15
ND
0.83
0.32
4
2/17/21 14:12
BRF
Cyclohexane
6.1
0.20
0.098
21
0.69
0.34
4
2/17/21 14:12
BRF
Dibromochloromethane
ND
0.20
0.067
ND
1.7
0.57
4
2/17/21 14:12
BRF
1,2-Dibromoethane (EDB)
ND
0.20
0.052
ND
1.5
0.40
4
2/17/21 14:12
BRF
1,2-Dichlorobenzene
ND
0.20
0.074
ND
1.2
0.44
4
2/17/21 14:12
BRF
1,3-Dichlorobenzene
ND
0.20
0.073
ND
1.2
0.44
4
2/17/21 14:12
BRF
1,4-Dichlorobenzene
ND
0.20
0.045
ND
1.2
0.27
4
2/17/21 14:12
BRF
Dichlorodifluoromethane (Freon 12)
ND
0.20
0.063
ND
0.99
0.31
4
2/17/21 14:12
BRF
1,1-Dichloroethane
ND
0.20
0.063
ND
0.81
0.25
4
2/17/21 14:12
BRF
1,2-Dichloroethane
ND
0.20
0.073
ND
0.81
0.30
4
2/17/21 14:12
BRF
1,1-Dichloroethylene
ND
0.20
0.11
ND
0.79
0.43
4
2/17/21 14:12
BRF
cis-1,2-Dichloroethylene
ND
0.20
0.068
ND
0.79
0.27
4
2/17/21 14:12
BRF
trans-1,2-Dichloroethylene
ND
0.20
0.059
ND
0.79
0.23
4
2/17/21 14:12
BRF
1,2-Dichloropropane
ND
0.20
0.072
ND
0.92
0.33
4
2/17/21 14:12
BRF
cis- 1,3 -Dichloropropene
ND
0.20
0.093
ND
0.91
0.42
4
2/17/21 14:12
BRF
trans- 1, 3 -Dichloropropene
ND
0.20
0.067
ND
0.91
0.30
4
2/17/21 14:12
BRF
1,2-Dichloro-1,1,2,2-tetrafluoroethane (Freon 114)
ND
0.20
0.11
ND
1.4
0.79
4
2/17/21 14:12
BRF
1,4-Dioxane
ND
2.0
0.56
ND
7.2
2.0
4
2/17/21 14:12
BRF
Ethanol
20
8.0
2.4
38
15
4.6
4
2/17/21 14:12
BRF
Ethyl Acetate
ND
2.0
1.2
ND
7.2
4.3
4
2/17/21 14:12
BRF
Ethylbenzene
0.31
0.20
0.042
1.3
0.87
0.18
4
2/17/21 14:12
BRF
4-Ethyltoluene
ND
0.20
0.062
ND
0.98
0.30
4
2/17/21 14:12
BRF
Heptane
ND
0.20
0.086
ND
0.82
0.35
4
2/17/21 14:12
BRF
Hexachlorobutadiene
ND
0.20
0.088
ND
2.1
0.94
4
2/17/21 14:12
BRF
Hexane
ND
8.0
0.36
ND
28
1.3
4
2/17/21 14:12
BRF
2-Hexanone (MBK)
ND
0.40
0.11
ND
1.6
0.46
4
2/17/21 14:12
BRF
Isopropanol
ND
8.0
1.8
ND
20
4.5
4
2/17/21 14:12
BRF
Methyl tert-Butyl Ether (MTBE)
ND
0.20
0.080
ND
0.72
0.29
4
2/17/21 14:12
BRF
Methylene Chloride
1.9
2.0
0.46
J
6.7
6.9
1.6
4
2/17/21 14:12
BRF
4-Methyl-2-pentanone (MIBK)
ND
0.20
0.10
ND
0.82
0.43
4
2/17/21 14:12
BRF
Naphthalene
ND
0.20
0.11
Z-01
ND
1.0
0.59
4
2/17/21 14:12
BRF
Propene
ND
8.0
0.67
ND
14
1.2
4
2/17/21 14:12
BRF
Styrene
ND
0.20
0.057
ND
0.85
0.24
4
2/17/21 14:12
BRF
1,1,2,2-Tetrachloroethane
ND
0.20
0.053
ND
1.4
0.37
4
2/17/21 14:12
BRF
Page 6 of 45

Con -test®
A Pace Analytical® Laboratory
Project Location: High Point, NC
Date Received: 2/11/2021
Field Sample #: MP-11
Sample ID: 21BO501-02
Sample Matrix: Soil Gas
Sampled: 2/9/2021 12:06
39 Spruce Street ` East Longmeadow, MA 01028 ` FAX [phone] " TEL. [phone]
ANALYTICAL RESULTS
Sample Description/Location:
Sub Description/Location:
Canister ID: 2257
Canister Size: 1 liter
Flow Controller ID: 4182
Sample Type: 5 min
Work Order: 21BO501
Initial Vacuum(in Hg): -28
Final Vacuum(in Hg): -5
Receipt Vacuum(in Hg): -7.7
Flow Controller Type: Fixed -Orifice
Flow Controller Calibration
RPD Pre and Post -Sampling:
EPA TO-15
ppbv ug/m3 Date/Time
Analyte Results RL MDL Flag/Qual Results RL MDL Dilution Analyzed Analyst
Tetrachloroethylene
0.22
0.20
0.065
1.5
1.4
0.44
4
2/17/21 14:12
BRF
Tetrahydrofuran
ND
2.0
0.49
ND
5.9
1.5
4
2/17/21 14:12
BRF
Toluene
5.8
0.20
0.058
22
0.75
0.22
4
2/17/21 14:12
BRF
1,2,4-Trichlorobenzene
ND
0.20
0.12
V-34 ND
1.5
0.91
4
2/17/21 14:12
BRF
1, 1, 1 -Trichloroethane
ND
0.20
0.065
ND
1.1
0.36
4
2/17/21 14:12
BRF
1,1,2-Trichloroethane
ND
0.20
0.073
ND
1.1
0.40
4
2/17/21 14:12
BRF
Trichloroethylene
0.13
0.20
0.074
J 0.71
1.1
0.40
4
2/17/21 14:12
BRF
Trichlorofluoromethane (Freon 11)
0.19
0.80
0.15
J 1.1
4.5
0.85
4
2/17/21 14:12
BRF
1,1,2-Trichloro-1,2,2-trifluoroethane (Freon 113)
ND
0.80
0.15
ND
6.1
1.2
4
2/17/21 14:12
BRF
1,2,4-Trimethylbenzene
ND
0.20
0.046
ND
0.98
0.22
4
2/17/21 14:12
BRF
1,3,5-Trimethylbenzene
ND
0.20
0.052
ND
0.98
0.26
4
2/17/21 14:12
BRF
Vinyl Acetate
ND
4.0
0.56
ND
14
2.0
4
2/17/21 14:12
BRF
Vinyl Chloride
ND
0.20
0.11
ND
0.51
0.29
4
2/17/21 14:12
BRF
m&p-Xylene
0.56
0.40
0.070
2.4
1.7
0.30
4
2/17/21 14:12
BRF
o-Xylene
0.42
0.20
0.054
1.8
0.87
0.23
4
2/17/21 14:12
BRF
Surrogates
4-Bromofluorobenzene (1)
% Recovery
99.6
% REC Limits
70-130
2/17/21 14:12
Page 7 of 45

Con -test®
A Pace Analytical® Laboratory
39 Spruce Street ` East Longmeadow, MA 01028 ` FAX [phone] " TEL. [phone]
ANALYTICAL RESULTS
Project Location: High Point, NC
Sample Description/Location:
Work Order: 21BO501
Date Received: 2/11/2021
Sub Description/Location:
Initial Vacuum(in Hg): -28
Field Sample #: MP-9
Canister ID: 2129
Final Vacuum(in Hg): -5
Sample ID: 21BO501-03
Canister Size: 1 liter
Receipt Vacuum(in Hg): -6.7
Sample Matrix: Soil Gas
Flow Controller ID: 4288
Flow Controller Type: Fixed -Orifice
Sampled: 2/9/2021 12:37
Sample Type: 5 min
Flow Controller Calibration
RPD Pre and Post -Sampling:
Analyte
Results
ppbv
RL
EPA TO-15
MDL
Flag/Qual
Results
ug/m3
RL
MDL
Dilution
Date/Time
Analyzed
Analyst
Acetone
22
8.0
4.8
53
19
11
4
2/17/21 15:02
BRF
Benzene
0.19
0.20
0.058
J
0.60
0.64
0.19
4
2/17/21 15:02
BRF
Benzyl chloride
ND
0.20
0.090
ND
1.0
0.47
4
2/17/21 15:02
BRF
Bromodichloromethane
ND
0.20
0.056
ND
1.3
0.37
4
2/17/21 15:02
BRF
Bromoform
ND
0.20
0.069
ND
2.1
0.71
4
2/17/21 15:02
BRF
Bromomethane
ND
0.20
0.11
ND
0.78
0.41
4
2/17/21 15:02
BRF
1,3-Butadiene
ND
0.20
0.15
ND
0.44
0.32
4
2/17/21 15:02
BRF
2-Butanone (MEK)
3.0
8.0
0.66
J
9.0
24
2.0
4
2/17/21 15:02
BRF
Carbon Disulfide
ND
2.0
0.51
ND
6.2
1.6
4
2/17/21 15:02
BRF
Carbon Tetrachloride
0.14
0.20
0.053
J
0.86
1.3
0.33
4
2/17/21 15:02
BRF
Chlorobenzene
ND
0.20
0.048
ND
0.92
0.22
4
2/17/21 15:02
BRF
Chloroethane
ND
0.20
0.20
ND
0.53
0.52
4
2/17/21 15:02
BRF
Chloroform
ND
0.20
0.048
ND
0.98
0.24
4
2/17/21 15:02
BRF
Chloromethane
ND
0.40
0.15
ND
0.83
0.32
4
2/17/21 15:02
BRF
Cyclohexane
ND
0.20
0.098
ND
0.69
0.34
4
2/17/21 15:02
BRF
Dibromochloromethane
ND
0.20
0.067
ND
1.7
0.57
4
2/17/21 15:02
BRF
1,2-Dibromoethane (EDB)
ND
0.20
0.052
ND
1.5
0.40
4
2/17/21 15:02
BRF
1,2-Dichlorobenzene
ND
0.20
0.074
ND
1.2
0.44
4
2/17/21 15:02
BRF
1,3-Dichlorobenzene
ND
0.20
0.073
ND
1.2
0.44
4
2/17/21 15:02
BRF
1,4-Dichlorobenzene
ND
0.20
0.045
ND
1.2
0.27
4
2/17/21 15:02
BRF
Dichlorodifluoromethane (Freon 12)
ND
0.20
0.063
ND
0.99
0.31
4
2/17/21 15:02
BRF
1,1-Dichloroethane
ND
0.20
0.063
ND
0.81
0.25
4
2/17/21 15:02
BRF
1,2-Dichloroethane
ND
0.20
0.073
ND
0.81
0.30
4
2/17/21 15:02
BRF
1,1-Dichloroethylene
ND
0.20
0.11
ND
0.79
0.43
4
2/17/21 15:02
BRF
cis-1,2-Dichloroethylene
0.52
0.20
0.068
2.1
0.79
0.27
4
2/17/21 15:02
BRF
trans-1,2-Dichloroethylene
ND
0.20
0.059
ND
0.79
0.23
4
2/17/21 15:02
BRF
1,2-Dichloropropane
ND
0.20
0.072
ND
0.92
0.33
4
2/17/21 15:02
BRF
cis- 1,3 -Dichloropropene
ND
0.20
0.093
ND
0.91
0.42
4
2/17/21 15:02
BRF
trans- 1, 3 -Dichloropropene
ND
0.20
0.067
ND
0.91
0.30
4
2/17/21 15:02
BRF
1,2-Dichloro-1,1,2,2-tetrafluoroethane (Freon 114)
ND
0.20
0.11
ND
1.4
0.79
4
2/17/21 15:02
BRF
1,4-Dioxane
ND
2.0
0.56
ND
7.2
2.0
4
2/17/21 15:02
BRF
Ethanol
24
8.0
2.4
45
15
4.6
4
2/17/21 15:02
BRF
Ethyl Acetate
ND
2.0
1.2
ND
7.2
4.3
4
2/17/21 15:02
BRF
Ethylbenzene
0.74
0.20
0.042
3.2
0.87
0.18
4
2/17/21 15:02
BRF
4-Ethyltoluene
ND
0.20
0.062
ND
0.98
0.30
4
2/17/21 15:02
BRF
Heptane
ND
0.20
0.086
ND
0.82
0.35
4
2/17/21 15:02
BRF
Hexachlorobutadiene
ND
0.20
0.088
ND
2.1
0.94
4
2/17/21 15:02
BRF
Hexane
ND
8.0
0.36
ND
28
1.3
4
2/17/21 15:02
BRF
2-Hexanone (MBK)
ND
0.40
0.11
ND
1.6
0.46
4
2/17/21 15:02
BRF
Isopropanol
2.8
8.0
1.8
J
6.9
20
4.5
4
2/17/21 15:02
BRF
Methyl tert-Butyl Ether (MTBE)
ND
0.20
0.080
ND
0.72
0.29
4
2/17/21 15:02
BRF
Methylene Chloride
22
2.0
0.46
76
6.9
1.6
4
2/17/21 15:02
BRF
4-Methyl-2-pentanone (MIBK)
ND
0.20
0.10
ND
0.82
0.43
4
2/17/21 15:02
BRF
Naphthalene
ND
0.20
0.11
Z-01
ND
1.0
0.59
4
2/17/21 15:02
BRF
Propene
ND
8.0
0.67
ND
14
1.2
4
2/17/21 15:02
BRF
Styrene
0.29
0.20
0.057
1.2
0.85
0.24
4
2/17/21 15:02
BRF
1,1,2,2-Tetrachloroethane
ND
0.20
0.053
ND
1.4
0.37
4
2/17/21 15:02
BRF
Page 8 of 45

Con -test®
A Pace Analytical® Laboratory
Project Location: High Point, NC
Date Received: 2/11/2021
Field Sample #: MP-9
Sample ID: 21BO501-03
Sample Matrix: Soil Gas
Sampled: 2/9/2021 12:37
39 Spruce Street ` East Longmeadow, MA 01028 ` FAX [phone] " TEL. [phone]
ANALYTICAL RESULTS
Sample Description/Location:
Sub Description/Location:
Canister ID: 2129
Canister Size: 1 liter
Flow Controller ID: 4288
Sample Type: 5 min
Work Order: 21BO501
Initial Vacuum(in Hg): -28
Final Vacuum(in Hg): -5
Receipt Vacuum(in Hg): -6.7
Flow Controller Type: Fixed -Orifice
Flow Controller Calibration
RPD Pre and Post -Sampling:
EPA TO-15
ppbv ug/m3 Date/Time
Analyte Results RL MDL Flag/Qual Results RL MDL Dilution Analyzed Analyst
Tetrachloroethylene
0.91
0.20
0.065
6.2
1.4
0.44
4
2/17/21 15:02
BRF
Tetrahydrofuran
ND
2.0
0.49
ND
5.9
1.5
4
2/17/21 15:02
BRF
Toluene
7.8
0.20
0.058
30
0.75
0.22
4
2/17/21 15:02
BRF
1,2,4-Trichlorobenzene
ND
0.20
0.12
V-34 ND
1.5
0.91
4
2/17/21 15:02
BRF
1, 1, 1 -Trichloroethane
ND
0.20
0.065
ND
1.1
0.36
4
2/17/21 15:02
BRF
1,1,2-Trichloroethane
ND
0.20
0.073
ND
1.1
0.40
4
2/17/21 15:02
BRF
Trichloroethylene
7.9
0.20
0.074
43
1.1
0.40
4
2/17/21 15:02
BRF
Trichlorofluoromethane (Freon 11)
0.24
0.80
0.15
J 1.4
4.5
0.85
4
2/17/21 15:02
BRF
1,1,2-Trichloro-1,2,2-trifluoroethane (Freon 113)
ND
0.80
0.15
ND
6.1
1.2
4
2/17/21 15:02
BRF
1,2,4-Trimethylbenzene
ND
0.20
0.046
ND
0.98
0.22
4
2/17/21 15:02
BRF
1,3,5-Trimethylbenzene
ND
0.20
0.052
ND
0.98
0.26
4
2/17/21 15:02
BRF
Vinyl Acetate
ND
4.0
0.56
ND
14
2.0
4
2/17/21 15:02
BRF
Vinyl Chloride
ND
0.20
0.11
ND
0.51
0.29
4
2/17/21 15:02
BRF
m&p-Xylene
1.9
0.40
0.070
8.1
1.7
0.30
4
2/17/21 15:02
BRF
o-Xylene
0.80
0.20
0.054
3.5
0.87
0.23
4
2/17/21 15:02
BRF
Surrogates
4-Bromofluorobenzene (1)
% Recovery
98.5
% REC Limits
70-130
2/17/21 15:02
Page 9 of 45

Con -test®
A Pace Analytical® Laboratory
39 Spruce Street ` East Longmeadow, MA 01028 ` FAX [phone] " TEL. [phone]
ANALYTICAL RESULTS
Project Location: High Point, NC
Sample Description/Location:
Work Order: 21BO501
Date Received: 2/11/2021
Sub Description/Location:
Initial Vacuum(in Hg): -28
Field Sample #: MP-7
Canister ID: 2346
Final Vacuum(in Hg): -5
Sample ID: 21BO501-04
Canister Size: 1 liter
Receipt Vacuum(in Hg): -6.7
Sample Matrix: Soil Gas
Flow Controller ID: 4280
Flow Controller Type: Fixed -Orifice
Sampled: 2/9/2021 13:56
Sample Type: 5 min
Flow Controller Calibration
RPD Pre and Post -Sampling:
Analyte
Results
ppbv
RL
EPA TO-15
MDL
Flag/Qual
Results
ug/m3
RL
MDL
Dilution
Date/Time
Analyzed
Analyst
Acetone
11
8.0
4.8
27
19
11
4
2/17/21 15:27
BRF
Benzene
0.18
0.20
0.058
J
0.58
0.64
0.19
4
2/17/21 15:27
BRF
Benzyl chloride
ND
0.20
0.090
ND
1.0
0.47
4
2/17/21 15:27
BRF
Bromodichloromethane
ND
0.20
0.056
ND
1.3
0.37
4
2/17/21 15:27
BRF
Bromoform
ND
0.20
0.069
ND
2.1
0.71
4
2/17/21 15:27
BRF
Bromomethane
ND
0.20
0.11
ND
0.78
0.41
4
2/17/21 15:27
BRF
1,3-Butadiene
ND
0.20
0.15
ND
0.44
0.32
4
2/17/21 15:27
BRF
2-Butanone (MEK)
ND
8.0
0.66
ND
24
2.0
4
2/17/21 15:27
BRF
Carbon Disulfide
ND
2.0
0.51
ND
6.2
1.6
4
2/17/21 15:27
BRF
Carbon Tetrachloride
ND
0.20
0.053
ND
1.3
0.33
4
2/17/21 15:27
BRF
Chlorobenzene
ND
0.20
0.048
ND
0.92
0.22
4
2/17/21 15:27
BRF
Chloroethane
ND
0.20
0.20
ND
0.53
0.52
4
2/17/21 15:27
BRF
Chloroform
ND
0.20
0.048
ND
0.98
0.24
4
2/17/21 15:27
BRF
Chloromethane
ND
0.40
0.15
ND
0.83
0.32
4
2/17/21 15:27
BRF
Cyclohexane
5.0
0.20
0.098
17
0.69
0.34
4
2/17/21 15:27
BRF
Dibromochloromethane
ND
0.20
0.067
ND
1.7
0.57
4
2/17/21 15:27
BRF
1,2-Dibromoethane (EDB)
ND
0.20
0.052
ND
1.5
0.40
4
2/17/21 15:27
BRF
1,2-Dichlorobenzene
ND
0.20
0.074
ND
1.2
0.44
4
2/17/21 15:27
BRF
1,3-Dichlorobenzene
ND
0.20
0.073
ND
1.2
0.44
4
2/17/21 15:27
BRF
1,4-Dichlorobenzene
ND
0.20
0.045
ND
1.2
0.27
4
2/17/21 15:27
BRF
Dichlorodifluoromethane (Freon 12)
ND
0.20
0.063
ND
0.99
0.31
4
2/17/21 15:27
BRF
1,1-Dichloroethane
ND
0.20
0.063
ND
0.81
0.25
4
2/17/21 15:27
BRF
1,2-Dichloroethane
ND
0.20
0.073
ND
0.81
0.30
4
2/17/21 15:27
BRF
1,1-Dichloroethylene
ND
0.20
0.11
ND
0.79
0.43
4
2/17/21 15:27
BRF
cis-1,2-Dichloroethylene
ND
0.20
0.068
ND
0.79
0.27
4
2/17/21 15:27
BRF
trans-1,2-Dichloroethylene
ND
0.20
0.059
ND
0.79
0.23
4
2/17/21 15:27
BRF
1,2-Dichloropropane
ND
0.20
0.072
ND
0.92
0.33
4
2/17/21 15:27
BRF
cis- 1,3 -Dichloropropene
ND
0.20
0.093
ND
0.91
0.42
4
2/17/21 15:27
BRF
trans- 1, 3 -Dichloropropene
ND
0.20
0.067
ND
0.91
0.30
4
2/17/21 15:27
BRF
1,2-Dichloro-1,1,2,2-tetrafluoroethane (Freon 114)
ND
0.20
0.11
ND
1.4
0.79
4
2/17/21 15:27
BRF
1,4-Dioxane
ND
2.0
0.56
ND
7.2
2.0
4
2/17/21 15:27
BRF
Ethanol
17
8.0
2.4
33
15
4.6
4
2/17/21 15:27
BRF
Ethyl Acetate
ND
2.0
1.2
ND
7.2
4.3
4
2/17/21 15:27
BRF
Ethylbenzene
0.46
0.20
0.042
2.0
0.87
0.18
4
2/17/21 15:27
BRF
4-Ethyltoluene
ND
0.20
0.062
ND
0.98
0.30
4
2/17/21 15:27
BRF
Heptane
ND
0.20
0.086
ND
0.82
0.35
4
2/17/21 15:27
BRF
Hexachlorobutadiene
ND
0.20
0.088
ND
2.1
0.94
4
2/17/21 15:27
BRF
Hexane
ND
8.0
0.36
ND
28
1.3
4
2/17/21 15:27
BRF
2-Hexanone (MBK)
ND
0.40
0.11
ND
1.6
0.46
4
2/17/21 15:27
BRF
Isopropanol
ND
8.0
1.8
ND
20
4.5
4
2/17/21 15:27
BRF
Methyl tert-Butyl Ether (MTBE)
ND
0.20
0.080
ND
0.72
0.29
4
2/17/21 15:27
BRF
Methylene Chloride
1.4
2.0
0.46
J
4.8
6.9
1.6
4
2/17/21 15:27
BRF
4-Methyl-2-pentanone (MIBK)
ND
0.20
0.10
ND
0.82
0.43
4
2/17/21 15:27
BRF
Naphthalene
ND
0.20
0.11
Z-01
ND
1.0
0.59
4
2/17/21 15:27
BRF
Propene
ND
8.0
0.67
ND
14
1.2
4
2/17/21 15:27
BRF
Styrene
0.36
0.20
0.057
1.5
0.85
0.24
4
2/17/21 15:27
BRF
1,1,2,2-Tetrachloroethane
ND
0.20
0.053
ND
1.4
0.37
4
2/17/21 15:27
BRF
Page 10 of 45

Con -test®
A Pace Analytical® Laboratory
Project Location: High Point, NC
Date Received: 2/11/2021
Field Sample #: MP-7
Sample ID: 21BO501-04
Sample Matrix: Soil Gas
Sampled: 2/9/2021 13:56
39 Spruce Street ` East Longmeadow, MA 01028 ` FAX [phone] " TEL. [phone]
ANALYTICAL RESULTS
Sample Description/Location:
Sub Description/Location:
Canister ID: 2346
Canister Size: 1 liter
Flow Controller ID: 4280
Sample Type: 5 min
Work Order: 21BO501
Initial Vacuum(in Hg): -28
Final Vacuum(in Hg): -5
Receipt Vacuum(in Hg): -6.7
Flow Controller Type: Fixed -Orifice
Flow Controller Calibration
RPD Pre and Post -Sampling:
EPA TO-15
ppbv ug/m3 Date/Time
Analyte Results RL MDL Flag/Qual Results RL MDL Dilution Analyzed Analyst
Tetrachloroethylene
0.38
0.20
0.065
2.6
1.4
0.44
Tetrahydrofuran
ND
2.0
0.49
ND
5.9
1.5
Toluene
8.5
0.20
0.058
32
0.75
0.22
1,2,4-Trichlorobenzene
ND
0.20
0.12
V-34 ND
1.5
0.91
1, 1, 1 -Trichloroethane
ND
0.20
0.065
ND
1.1
0.36
1,1,2-Trichloroethane
ND
0.20
0.073
ND
1.1
0.40
Trichloroethylene
ND
0.20
0.074
ND
1.1
0.40
Trichlorofluoromethane (Freon 11)
0.21
0.80
0.15
J 1.2
4.5
0.85
1,1,2-Trichloro-1,2,2-trifluoroethane (Freon 113)
ND
0.80
0.15
ND
6.1
1.2
1,2,4-Trimethylbenzene
0.48
0.20
0.046
2.4
0.98
0.22
1,3,5-Trimethylbenzene
0.11
0.20
0.052
J 0.53
0.98
0.26
Vinyl Acetate
ND
4.0
0.56
ND
14
2.0
Vinyl Chloride
ND
0.20
0.11
ND
0.51
0.29
m&p-Xylene
0.76
0.40
0.070
3.3
1.7
0.30
o-Xylene
0.48
0.20
0.054
2.1
0.87
0.23
Surrogates
4-Bromofluorobenzene (1)
% Recovery
99.3
% REC Limits
70-130
4 2/17/21 15:27
BRF
4 2/17/21 15:27
BRF
4 2/17/21 15:27
BRF
4 2/17/21 15:27
BRF
4 2/17/21 15:27
BRF
4 2/17/21 15:27
BRF
4 2/17/21 15:27
BRF
4 2/17/21 15:27
BRF
4 2/17/21 15:27
BRF
4 2/17/21 15:27
BRF
4 2/17/21 15:27
BRF
4 2/17/21 15:27
BRF
4 2/17/21 15:27
BRF
4 2/17/21 15:27
BRF
4 2/17/21 15:27
BRF
2/17/21 15:27
Page 11 of 45

Con -test®
A Pace Analytical® Laboratory
39 Spruce Street ` East Longmeadow, MA 01028 ` FAX [phone] " TEL. [phone]
ANALYTICAL RESULTS
Project Location: High Point, NC
Sample Description/Location:
Work Order: 21BO501
Date Received: 2/11/2021
Sub Description/Location:
Initial Vacuum(in Hg): -28
Field Sample #: MP-Dup
Canister ID: 2541
Final Vacuum(in Hg): -6
Sample ID: 21BO501-05
Canister Size: 1 liter
Receipt Vacuum(in Hg): -7.9
Sample Matrix: Soil Gas
Flow Controller ID: 4200
Flow Controller Type: Fixed -Orifice
Sampled: 2/9/2021 00:00
Sample Type: 5 min
Flow Controller Calibration
RPD Pre and Post -Sampling:
Analyte
Results
ppbv
RL
EPA TO-15
MDL
Flag/Qual
Results
ug/m3
RL
MDL
Dilution
Date/Time
Analyzed
Analyst
Acetone
14
8.0
4.8
34
19
11
4
2/17/21 15:52
BRF
Benzene
0.20
0.20
0.058
J
0.63
0.64
0.19
4
2/17/21 15:52
BRF
Benzyl chloride
ND
0.20
0.090
ND
1.0
0.47
4
2/17/21 15:52
BRF
Bromodichloromethane
ND
0.20
0.056
ND
1.3
0.37
4
2/17/21 15:52
BRF
Bromoform
ND
0.20
0.069
ND
2.1
0.71
4
2/17/21 15:52
BRF
Bromomethane
ND
0.20
0.11
ND
0.78
0.41
4
2/17/21 15:52
BRF
1,3-Butadiene
ND
0.20
0.15
ND
0.44
0.32
4
2/17/21 15:52
BRF
2-Butanone (MEK)
1.6
8.0
0.66
J
4.7
24
2.0
4
2/17/21 15:52
BRF
Carbon Disulfide
ND
2.0
0.51
ND
6.2
1.6
4
2/17/21 15:52
BRF
Carbon Tetrachloride
ND
0.20
0.053
ND
1.3
0.33
4
2/17/21 15:52
BRF
Chlorobenzene
ND
0.20
0.048
ND
0.92
0.22
4
2/17/21 15:52
BRF
Chloroethane
ND
0.20
0.20
ND
0.53
0.52
4
2/17/21 15:52
BRF
Chloroform
ND
0.20
0.048
ND
0.98
0.24
4
2/17/21 15:52
BRF
Chloromethane
ND
0.40
0.15
ND
0.83
0.32
4
2/17/21 15:52
BRF
Cyclohexane
23
0.20
0.098
80
0.69
0.34
4
2/17/21 15:52
BRF
Dibromochloromethane
ND
0.20
0.067
ND
1.7
0.57
4
2/17/21 15:52
BRF
1,2-Dibromoethane (EDB)
ND
0.20
0.052
ND
1.5
0.40
4
2/17/21 15:52
BRF
1,2-Dichlorobenzene
ND
0.20
0.074
ND
1.2
0.44
4
2/17/21 15:52
BRF
1,3-Dichlorobenzene
ND
0.20
0.073
ND
1.2
0.44
4
2/17/21 15:52
BRF
1,4-Dichlorobenzene
ND
0.20
0.045
ND
1.2
0.27
4
2/17/21 15:52
BRF
Dichlorodifluoromethane (Freon 12)
ND
0.20
0.063
ND
0.99
0.31
4
2/17/21 15:52
BRF
1,1-Dichloroethane
ND
0.20
0.063
ND
0.81
0.25
4
2/17/21 15:52
BRF
1,2-Dichloroethane
ND
0.20
0.073
ND
0.81
0.30
4
2/17/21 15:52
BRF
1,1-Dichloroethylene
ND
0.20
0.11
ND
0.79
0.43
4
2/17/21 15:52
BRF
cis-1,2-Dichloroethylene
ND
0.20
0.068
ND
0.79
0.27
4
2/17/21 15:52
BRF
trans-1,2-Dichloroethylene
ND
0.20
0.059
ND
0.79
0.23
4
2/17/21 15:52
BRF
1,2-Dichloropropane
ND
0.20
0.072
ND
0.92
0.33
4
2/17/21 15:52
BRF
cis- 1,3 -Dichloropropene
ND
0.20
0.093
ND
0.91
0.42
4
2/17/21 15:52
BRF
trans- 1, 3 -Dichloropropene
ND
0.20
0.067
ND
0.91
0.30
4
2/17/21 15:52
BRF
1,2-Dichloro-1,1,2,2-tetrafluoroethane (Freon 114)
ND
0.20
0.11
ND
1.4
0.79
4
2/17/21 15:52
BRF
1,4-Dioxane
ND
2.0
0.56
ND
7.2
2.0
4
2/17/21 15:52
BRF
Ethanol
14
8.0
2.4
26
15
4.6
4
2/17/21 15:52
BRF
Ethyl Acetate
ND
2.0
1.2
ND
7.2
4.3
4
2/17/21 15:52
BRF
Ethylbenzene
0.41
0.20
0.042
1.8
0.87
0.18
4
2/17/21 15:52
BRF
4-Ethyltoluene
ND
0.20
0.062
ND
0.98
0.30
4
2/17/21 15:52
BRF
Heptane
ND
0.20
0.086
ND
0.82
0.35
4
2/17/21 15:52
BRF
Hexachlorobutadiene
ND
0.20
0.088
ND
2.1
0.94
4
2/17/21 15:52
BRF
Hexane
ND
8.0
0.36
ND
28
1.3
4
2/17/21 15:52
BRF
2-Hexanone (MBK)
ND
0.40
0.11
ND
1.6
0.46
4
2/17/21 15:52
BRF
Isopropanol
ND
8.0
1.8
ND
20
4.5
4
2/17/21 15:52
BRF
Methyl tert-Butyl Ether (MTBE)
ND
0.20
0.080
ND
0.72
0.29
4
2/17/21 15:52
BRF
Methylene Chloride
21
2.0
0.46
74
6.9
1.6
4
2/17/21 15:52
BRF
4-Methyl-2-pentanone (MIBK)
ND
0.20
0.10
ND
0.82
0.43
4
2/17/21 15:52
BRF
Naphthalene
ND
0.20
0.11
Z-01
ND
1.0
0.59
4
2/17/21 15:52
BRF
Propene
7.7
8.0
0.67
J
13
14
1.2
4
2/17/21 15:52
BRF
Styrene
0.26
0.20
0.057
1.1
0.85
0.24
4
2/17/21 15:52
BRF
1,1,2,2-Tetrachloroethane
ND
0.20
0.053
ND
1.4
0.37
4
2/17/21 15:52
BRF
Page 12 of 45

Con -test®
A Pace Analytical® Laboratory
Project Location: High Point, NC
Date Received: 2/11/2021
Field Sample #: MP-Dup
Sample ID: 21BO501-05
Sample Matrix: Soil Gas
Sampled: 2/9/2021 00:00
39 Spruce Street ` East Longmeadow, MA 01028 ` FAX [phone] " TEL. [phone]
ANALYTICAL RESULTS
Sample Description/Location:
Sub Description/Location:
Canister ID: 2541
Canister Size: 1 liter
Flow Controller ID: 4200
Sample Type: 5 min
Work Order: 21BO501
Initial Vacuum(in Hg): -28
Final Vacuum(in Hg): -6
Receipt Vacuum(in Hg): -7.9
Flow Controller Type: Fixed -Orifice
Flow Controller Calibration
RPD Pre and Post -Sampling:
EPA TO-15
ppbv ug/m3 Date/Time
Analyte Results RL MDL Flag/Qual Results RL MDL Dilution Analyzed Analyst
Tetrachloroethylene
ND
0.20
0.065
ND
1.4
0.44
4
2/17/21 15:52
BRF
Tetrahydrofuran
ND
2.0
0.49
ND
5.9
1.5
4
2/17/21 15:52
BRF
Toluene
6.6
0.20
0.058
25
0.75
0.22
4
2/17/21 15:52
BRF
1,2,4-Trichlorobenzene
ND
0.20
0.12
V-34 ND
1.5
0.91
4
2/17/21 15:52
BRF
1, 1, 1 -Trichloroethane
ND
0.20
0.065
ND
1.1
0.36
4
2/17/21 15:52
BRF
1,1,2-Trichloroethane
ND
0.20
0.073
ND
1.1
0.40
4
2/17/21 15:52
BRF
Trichloroethylene
ND
0.20
0.074
ND
1.1
0.40
4
2/17/21 15:52
BRF
Trichlorofluoromethane (Freon 11)
0.19
0.80
0.15
J 1.1
4.5
0.85
4
2/17/21 15:52
BRF
1,1,2-Trichloro-1,2,2-trifluoroethane (Freon 113)
ND
0.80
0.15
ND
6.1
1.2
4
2/17/21 15:52
BRF
1,2,4-Trimethylbenzene
ND
0.20
0.046
ND
0.98
0.22
4
2/17/21 15:52
BRF
1,3,5-Trimethylbenzene
ND
0.20
0.052
ND
0.98
0.26
4
2/17/21 15:52
BRF
Vinyl Acetate
ND
4.0
0.56
ND
14
2.0
4
2/17/21 15:52
BRF
Vinyl Chloride
ND
0.20
0.11
ND
0.51
0.29
4
2/17/21 15:52
BRF
m&p-Xylene
0.80
0.40
0.070
3.5
1.7
0.30
4
2/17/21 15:52
BRF
o-Xylene
0.40
0.20
0.054
1.7
0.87
0.23
4
2/17/21 15:52
BRF
Surrogates
4-Bromofluorobenzene (1)
% Recovery
99.5
% REC Limits
70-130
2/17/21 15:52
Page 13 of 45

Con -test®
A Pace Analytical® Laboratory
39 Spruce Street ` East Longmeadow, MA 01028 ` FAX [phone] " TEL. [phone]
ANALYTICAL RESULTS
Project Location: High Point, NC
Sample Description/Location:
Work Order: 21BO501
Date Received: 2/11/2021
Sub Description/Location:
Initial Vacuum(in Hg): -28
Field Sample #: MP-3
Canister ID: 2092
Final Vacuum(in Hg): -5
Sample ID: 21BO501-06
Canister Size: 1 liter
Receipt Vacuum(in Hg): -7.4
Sample Matrix: Soil Gas
Flow Controller ID: 4301
Flow Controller Type: Fixed -Orifice
Sampled: 2/10/2021 10:16
Sample Type: 5 min
Flow Controller Calibration
RPD Pre and Post -Sampling:
Analyte
Results
ppbv
RL
EPA TO-15
MDL
Flag/Qual
Results
ug/m3
RL
MDL
Dilution
Date/Time
Analyzed
Analyst
Acetone
17
8.0
4.8
39
19
11
4
2/17/21 16:16
BRF
Benzene
0.30
0.20
0.058
0.97
0.64
0.19
4
2/17/21 16:16
BRF
Benzyl chloride
ND
0.20
0.090
ND
1.0
0.47
4
2/17/21 16:16
BRF
Bromodichloromethane
ND
0.20
0.056
ND
1.3
0.37
4
2/17/21 16:16
BRF
Bromoform
ND
0.20
0.069
ND
2.1
0.71
4
2/17/21 16:16
BRF
Bromomethane
ND
0.20
0.11
ND
0.78
0.41
4
2/17/21 16:16
BRF
1,3-Butadiene
ND
0.20
0.15
ND
0.44
0.32
4
2/17/21 16:16
BRF
2-Butanone (MEK)
ND
8.0
0.66
ND
24
2.0
4
2/17/21 16:16
BRF
Carbon Disulfide
ND
2.0
0.51
ND
6.2
1.6
4
2/17/21 16:16
BRF
Carbon Tetrachloride
ND
0.20
0.053
ND
1.3
0.33
4
2/17/21 16:16
BRF
Chlorobenzene
ND
0.20
0.048
ND
0.92
0.22
4
2/17/21 16:16
BRF
Chloroethane
ND
0.20
0.20
ND
0.53
0.52
4
2/17/21 16:16
BRF
Chloroform
ND
0.20
0.048
ND
0.98
0.24
4
2/17/21 16:16
BRF
Chloromethane
ND
0.40
0.15
ND
0.83
0.32
4
2/17/21 16:16
BRF
Cyclohexane
ND
0.20
0.098
ND
0.69
0.34
4
2/17/21 16:16
BRF
Dibromochloromethane
ND
0.20
0.067
ND
1.7
0.57
4
2/17/21 16:16
BRF
1,2-Dibromoethane (EDB)
ND
0.20
0.052
ND
1.5
0.40
4
2/17/21 16:16
BRF
1,2-Dichlorobenzene
ND
0.20
0.074
ND
1.2
0.44
4
2/17/21 16:16
BRF
1,3-Dichlorobenzene
ND
0.20
0.073
ND
1.2
0.44
4
2/17/21 16:16
BRF
1,4-Dichlorobenzene
ND
0.20
0.045
ND
1.2
0.27
4
2/17/21 16:16
BRF
Dichlorodifluoromethane (Freon 12)
ND
0.20
0.063
ND
0.99
0.31
4
2/17/21 16:16
BRF
1,1-Dichloroethane
ND
0.20
0.063
ND
0.81
0.25
4
2/17/21 16:16
BRF
1,2-Dichloroethane
ND
0.20
0.073
ND
0.81
0.30
4
2/17/21 16:16
BRF
1,1-Dichloroethylene
ND
0.20
0.11
ND
0.79
0.43
4
2/17/21 16:16
BRF
cis-1,2-Dichloroethylene
ND
0.20
0.068
ND
0.79
0.27
4
2/17/21 16:16
BRF
trans-1,2-Dichloroethylene
ND
0.20
0.059
ND
0.79
0.23
4
2/17/21 16:16
BRF
1,2-Dichloropropane
ND
0.20
0.072
ND
0.92
0.33
4
2/17/21 16:16
BRF
cis- 1,3 -Dichloropropene
ND
0.20
0.093
ND
0.91
0.42
4
2/17/21 16:16
BRF
trans- 1, 3 -Dichloropropene
ND
0.20
0.067
ND
0.91
0.30
4
2/17/21 16:16
BRF
1,2-Dichloro-1,1,2,2-tetrafluoroethane (Freon 114)
ND
0.20
0.11
ND
1.4
0.79
4
2/17/21 16:16
BRF
1,4-Dioxane
ND
2.0
0.56
ND
7.2
2.0
4
2/17/21 16:16
BRF
Ethanol
25
8.0
2.4
48
15
4.6
4
2/17/21 16:16
BRF
Ethyl Acetate
ND
2.0
1.2
ND
7.2
4.3
4
2/17/21 16:16
BRF
Ethylbenzene
2.1
0.20
0.042
9.3
0.87
0.18
4
2/17/21 16:16
BRF
4-Ethyltoluene
ND
0.20
0.062
ND
0.98
0.30
4
2/17/21 16:16
BRF
Heptane
ND
0.20
0.086
ND
0.82
0.35
4
2/17/21 16:16
BRF
Hexachlorobutadiene
ND
0.20
0.088
ND
2.1
0.94
4
2/17/21 16:16
BRF
Hexane
ND
8.0
0.36
ND
28
1.3
4
2/17/21 16:16
BRF
2-Hexanone (MBK)
ND
0.40
0.11
ND
1.6
0.46
4
2/17/21 16:16
BRF
Isopropanol
2.6
8.0
1.8
J
6.3
20
4.5
4
2/17/21 16:16
BRF
Methyl tert-Butyl Ether (MTBE)
ND
0.20
0.080
ND
0.72
0.29
4
2/17/21 16:16
BRF
Methylene Chloride
0.66
2.0
0.46
J
2.3
6.9
1.6
4
2/17/21 16:16
BRF
4-Methyl-2-pentanone (MIBK)
ND
0.20
0.10
ND
0.82
0.43
4
2/17/21 16:16
BRF
Naphthalene
ND
0.20
0.11
Z-01
ND
1.0
0.59
4
2/17/21 16:16
BRF
Propene
ND
8.0
0.67
ND
14
1.2
4
2/17/21 16:16
BRF
Styrene
0.48
0.20
0.057
2.0
0.85
0.24
4
2/17/21 16:16
BRF
1,1,2,2-Tetrachloroethane
ND
0.20
0.053
ND
1.4
0.37
4
2/17/21 16:16
BRF
Page 14 of 45

Con -test®
A Pace Analytical® Laboratory
Project Location: High Point, NC
Date Received: 2/11/2021
Field Sample #: MP-3
Sample ID: 21BO501-06
Sample Matrix: Soil Gas
Sampled: 2/ 10/2021 10:16
39 Spruce Street ` East Longmeadow, MA 01028 ` FAX [phone] " TEL. [phone]
ANALYTICAL RESULTS
Sample Description/Location:
Sub Description/Location:
Canister ID: 2092
Canister Size: 1 liter
Flow Controller ID: 4301
Sample Type: 5 min
Work Order: 21BO501
Initial Vacuum(in Hg): -28
Final Vacuum(in Hg): -5
Receipt Vacuum(in Hg): -7.4
Flow Controller Type: Fixed -Orifice
Flow Controller Calibration
RPD Pre and Post -Sampling:
EPA TO-15
ppbv ug/m3 Date/Time
Analyte Results RL MDL Flag/Qual Results RL MDL Dilution Analyzed Analyst
Tetrachloroethylene
0.18
0.20
0.065
J 1.2
1.4
0.44
4
2/17/21 16:16
BRF
Tetrahydrofuran
ND
2.0
0.49
ND
5.9
1.5
4
2/17/21 16:16
BRF
Toluene
7.1
0.20
0.058
27
0.75
0.22
4
2/17/21 16:16
BRF
1,2,4-Trichlorobenzene
ND
0.20
0.12
V-34 ND
1.5
0.91
4
2/17/21 16:16
BRF
1, 1, 1 -Trichloroethane
ND
0.20
0.065
ND
1.1
0.36
4
2/17/21 16:16
BRF
1,1,2-Trichloroethane
ND
0.20
0.073
ND
1.1
0.40
4
2/17/21 16:16
BRF
Trichloroethylene
ND
0.20
0.074
ND
1.1
0.40
4
2/17/21 16:16
BRF
Trichlorofluoromethane (Freon 11)
0.24
0.80
0.15
J 1.3
4.5
0.85
4
2/17/21 16:16
BRF
1,1,2-Trichloro-1,2,2-trifluoroethane (Freon 113)
ND
0.80
0.15
ND
6.1
1.2
4
2/17/21 16:16
BRF
1,2,4-Trimethylbenzene
ND
0.20
0.046
ND
0.98
0.22
4
2/17/21 16:16
BRF
1,3,5-Trimethylbenzene
ND
0.20
0.052
ND
0.98
0.26
4
2/17/21 16:16
BRF
Vinyl Acetate
ND
4.0
0.56
ND
14
2.0
4
2/17/21 16:16
BRF
Vinyl Chloride
ND
0.20
0.11
ND
0.51
0.29
4
2/17/21 16:16
BRF
m&p-Xylene
7.2
0.40
0.070
31
1.7
0.30
4
2/17/21 16:16
BRF
o-Xylene
2.6
0.20
0.054
11
0.87
0.23
4
2/17/21 16:16
BRF
Surrogates
4-Bromofluorobenzene (1)
% Recovery
101
% REC Limits
70-130
2/17/21 16:16
Page 15 of 45

Con -test®
A Pace Analytical® Laboratory
39 Spruce Street ` East Longmeadow, MA 01028 ` FAX [phone] " TEL. [phone]
ANALYTICAL RESULTS
Project Location: High Point, NC
Sample Description/Location:
Work Order: 21BO501
Date Received: 2/11/2021
Sub Description/Location:
Initial Vacuum(in Hg): -29
Field Sample #: MP-5
Canister ID: 2340
Final Vacuum(in Hg): -5
Sample ID: 21BO501-07
Canister Size: 1 liter
Receipt Vacuum(in Hg): -7.1
Sample Matrix: Soil Gas
Flow Controller ID: 4202
Flow Controller Type: Fixed -Orifice
Sampled: 2/10/2021 10:47
Sample Type: 5 min
Flow Controller Calibration
RPD Pre and Post -Sampling:
Analyte
Results
ppbv
RL
EPA TO-15
MDL
Flag/Qual
Results
ug/m3
RL
MDL
Dilution
Date/Time
Analyzed
Analyst
Acetone
21
8.0
4.8
51
19
11
4
2/17/21 16:41
BRF
Benzene
0.24
0.20
0.058
0.78
0.64
0.19
4
2/17/21 16:41
BRF
Benzyl chloride
ND
0.20
0.090
ND
1.0
0.47
4
2/17/21 16:41
BRF
Bromodichloromethane
ND
0.20
0.056
ND
1.3
0.37
4
2/17/21 16:41
BRF
Bromoform
ND
0.20
0.069
ND
2.1
0.71
4
2/17/21 16:41
BRF
Bromomethane
ND
0.20
0.11
ND
0.78
0.41
4
2/17/21 16:41
BRF
1,3-Butadiene
ND
0.20
0.15
ND
0.44
0.32
4
2/17/21 16:41
BRF
2-Butanone (MEK)
1.1
8.0
0.66
J
3.1
24
2.0
4
2/17/21 16:41
BRF
Carbon Disulfide
ND
2.0
0.51
ND
6.2
1.6
4
2/17/21 16:41
BRF
Carbon Tetrachloride
0.096
0.20
0.053
J
0.60
1.3
0.33
4
2/17/21 16:41
BRF
Chlorobenzene
ND
0.20
0.048
ND
0.92
0.22
4
2/17/21 16:41
BRF
Chloroethane
ND
0.20
0.20
ND
0.53
0.52
4
2/17/21 16:41
BRF
Chloroform
ND
0.20
0.048
ND
0.98
0.24
4
2/17/21 16:41
BRF
Chloromethane
ND
0.40
0.15
ND
0.83
0.32
4
2/17/21 16:41
BRF
Cyclohexane
3.5
0.20
0.098
12
0.69
0.34
4
2/17/21 16:41
BRF
Dibromochloromethane
ND
0.20
0.067
ND
1.7
0.57
4
2/17/21 16:41
BRF
1,2-Dibromoethane (EDB)
ND
0.20
0.052
ND
1.5
0.40
4
2/17/21 16:41
BRF
1,2-Dichlorobenzene
ND
0.20
0.074
ND
1.2
0.44
4
2/17/21 16:41
BRF
1,3-Dichlorobenzene
ND
0.20
0.073
ND
1.2
0.44
4
2/17/21 16:41
BRF
1,4-Dichlorobenzene
ND
0.20
0.045
ND
1.2
0.27
4
2/17/21 16:41
BRF
Dichlorodifluoromethane (Freon 12)
ND
0.20
0.063
ND
0.99
0.31
4
2/17/21 16:41
BRF
1,1-Dichloroethane
ND
0.20
0.063
ND
0.81
0.25
4
2/17/21 16:41
BRF
1,2-Dichloroethane
ND
0.20
0.073
ND
0.81
0.30
4
2/17/21 16:41
BRF
1,1-Dichloroethylene
ND
0.20
0.11
ND
0.79
0.43
4
2/17/21 16:41
BRF
cis-1,2-Dichloroethylene
ND
0.20
0.068
ND
0.79
0.27
4
2/17/21 16:41
BRF
trans-1,2-Dichloroethylene
ND
0.20
0.059
ND
0.79
0.23
4
2/17/21 16:41
BRF
1,2-Dichloropropane
ND
0.20
0.072
ND
0.92
0.33
4
2/17/21 16:41
BRF
cis- 1,3 -Dichloropropene
ND
0.20
0.093
ND
0.91
0.42
4
2/17/21 16:41
BRF
trans- 1, 3 -Dichloropropene
ND
0.20
0.067
ND
0.91
0.30
4
2/17/21 16:41
BRF
1,2-Dichloro-1,1,2,2-tetrafluoroethane (Freon 114)
ND
0.20
0.11
ND
1.4
0.79
4
2/17/21 16:41
BRF
1,4-Dioxane
ND
2.0
0.56
ND
7.2
2.0
4
2/17/21 16:41
BRF
Ethanol
40
8.0
2.4
75
15
4.6
4
2/17/21 16:41
BRF
Ethyl Acetate
ND
2.0
1.2
ND
7.2
4.3
4
2/17/21 16:41
BRF
Ethylbenzene
0.24
0.20
0.042
1.0
0.87
0.18
4
2/17/21 16:41
BRF
4-Ethyltoluene
ND
0.20
0.062
ND
0.98
0.30
4
2/17/21 16:41
BRF
Heptane
ND
0.20
0.086
ND
0.82
0.35
4
2/17/21 16:41
BRF
Hexachlorobutadiene
ND
0.20
0.088
ND
2.1
0.94
4
2/17/21 16:41
BRF
Hexane
7.7
8.0
0.36
J
27
28
1.3
4
2/17/21 16:41
BRF
2-Hexanone (MBK)
ND
0.40
0.11
ND
1.6
0.46
4
2/17/21 16:41
BRF
Isopropanol
2.9
8.0
1.8
J
7.0
20
4.5
4
2/17/21 16:41
BRF
Methyl tert-Butyl Ether (MTBE)
ND
0.20
0.080
ND
0.72
0.29
4
2/17/21 16:41
BRF
Methylene Chloride
14
2.0
0.46
49
6.9
1.6
4
2/17/21 16:41
BRF
4-Methyl-2-pentanone (MIBK)
ND
0.20
0.10
ND
0.82
0.43
4
2/17/21 16:41
BRF
Naphthalene
ND
0.20
0.11
Z-01
ND
1.0
0.59
4
2/17/21 16:41
BRF
Propene
ND
8.0
0.67
ND
14
1.2
4
2/17/21 16:41
BRF
Styrene
ND
0.20
0.057
ND
0.85
0.24
4
2/17/21 16:41
BRF
1,1,2,2-Tetrachloroethane
ND
0.20
0.053
ND
1.4
0.37
4
2/17/21 16:41
BRF
Page 16 of 45

Con -test®
A Pace Analytical® Laboratory
Project Location: High Point, NC
Date Received: 2/11/2021
Field Sample #: MP-5
Sample ID: 21BO501-07
Sample Matrix: Soil Gas
Sampled: 2/ 10/2021 10:47
39 Spruce Street ` East Longmeadow, MA 01028 ` FAX [phone] " TEL. [phone]
ANALYTICAL RESULTS
Sample Description/Location:
Sub Description/Location:
Canister ID: 2340
Canister Size: 1 liter
Flow Controller ID: 4202
Sample Type: 5 min
Work Order: 21BO501
Initial Vacuum(in Hg): -29
Final Vacuum(in Hg): -5
Receipt Vacuum(in Hg): -7.1
Flow Controller Type: Fixed -Orifice
Flow Controller Calibration
RPD Pre and Post -Sampling:
EPA TO-15
ppbv ug/m3 Date/Time
Analyte Results RL MDL Flag/Qual Results RL MDL Dilution Analyzed Analyst
Tetrachloroethylene
0.14
0.20
0.065
J 0.92
1.4
0.44
4
2/17/21 16:41
BRF
Tetrahydrofuran
ND
2.0
0.49
ND
5.9
1.5
4
2/17/21 16:41
BRF
Toluene
3.3
0.20
0.058
12
0.75
0.22
4
2/17/21 16:41
BRF
1,2,4-Trichlorobenzene
ND
0.20
0.12
V-34 ND
1.5
0.91
4
2/17/21 16:41
BRF
1, 1, 1 -Trichloroethane
ND
0.20
0.065
ND
1.1
0.36
4
2/17/21 16:41
BRF
1,1,2-Trichloroethane
ND
0.20
0.073
ND
1.1
0.40
4
2/17/21 16:41
BRF
Trichloroethylene
ND
0.20
0.074
ND
1.1
0.40
4
2/17/21 16:41
BRF
Trichlorofluoromethane (Freon 11)
0.28
0.80
0.15
J 1.6
4.5
0.85
4
2/17/21 16:41
BRF
1,1,2-Trichloro-1,2,2-trifluoroethane (Freon 113)
ND
0.80
0.15
ND
6.1
1.2
4
2/17/21 16:41
BRF
1,2,4-Trimethylbenzene
ND
0.20
0.046
ND
0.98
0.22
4
2/17/21 16:41
BRF
1,3,5-Trimethylbenzene
ND
0.20
0.052
ND
0.98
0.26
4
2/17/21 16:41
BRF
Vinyl Acetate
ND
4.0
0.56
ND
14
2.0
4
2/17/21 16:41
BRF
Vinyl Chloride
ND
0.20
0.11
ND
0.51
0.29
4
2/17/21 16:41
BRF
m&p-Xylene
0.46
0.40
0.070
2.0
1.7
0.30
4
2/17/21 16:41
BRF
o-Xylene
0.27
0.20
0.054
1.2
0.87
0.23
4
2/17/21 16:41
BRF
Surrogates
4-Bromofluorobenzene (1)
% Recovery
98.2
% REC Limits
70-130
2/17/21 16:41
Page 17 of 45

Con -test®
A Pace Analytical® Laboratory
39 Spruce Street ` East Longmeadow, MA 01028 ` FAX [phone] " TEL. [phone]
ANALYTICAL RESULTS
Project Location: High Point, NC
Sample Description/Location:
Work Order: 21BO501
Date Received: 2/11/2021
Sub Description/Location:
Initial Vacuum(in Hg): -28
Field Sample #: MP-12
Canister ID: 2536
Final Vacuum(in Hg): -5
Sample ID: 21BO501-08
Canister Size: 1 liter
Receipt Vacuum(in Hg): -7.1
Sample Matrix: Soil Gas
Flow Controller ID: 4074
Flow Controller Type: Fixed -Orifice
Sampled: 2/10/2021 11:30
Sample Type: 5 min
Flow Controller Calibration
RPD Pre and Post -Sampling:
Analyte
Results
ppbv
RL
EPA TO-15
MDL
Flag/Qual Results
ug/m3
RL
MDL
Dilution
Date/Time
Analyzed
Analyst
Acetone
8.2
8.0
4.8
19
19
11
4
2/17/21 17:06
BRF
Benzene
0.24
0.20
0.058
0.78
0.64
0.19
4
2/17/21 17:06
BRF
Benzyl chloride
ND
0.20
0.090
ND
1.0
0.47
4
2/17/21 17:06
BRF
Bromodichloromethane
ND
0.20
0.056
ND
1.3
0.37
4
2/17/21 17:06
BRF
Bromoform
ND
0.20
0.069
ND
2.1
0.71
4
2/17/21 17:06
BRF
Bromomethane
ND
0.20
0.11
ND
0.78
0.41
4
2/17/21 17:06
BRF
1,3-Butadiene
ND
0.20
0.15
ND
0.44
0.32
4
2/17/21 17:06
BRF
2-Butanone (MEK)
ND
8.0
0.66
ND
24
2.0
4
2/17/21 17:06
BRF
Carbon Disulfide
ND
2.0
0.51
ND
6.2
1.6
4
2/17/21 17:06
BRF
Carbon Tetrachloride
ND
0.20
0.053
ND
1.3
0.33
4
2/17/21 17:06
BRF
Chlorobenzene
ND
0.20
0.048
ND
0.92
0.22
4
2/17/21 17:06
BRF
Chloroethane
ND
0.20
0.20
ND
0.53
0.52
4
2/17/21 17:06
BRF
Chloroform
ND
0.20
0.048
ND
0.98
0.24
4
2/17/21 17:06
BRF
Chloromethane
ND
0.40
0.15
ND
0.83
0.32
4
2/17/21 17:06
BRF
Cyclohexane
4.9
0.20
0.098
17
0.69
0.34
4
2/17/21 17:06
BRF
Dibromochloromethane
ND
0.20
0.067
ND
1.7
0.57
4
2/17/21 17:06
BRF
1,2-Dibromoethane (EDB)
ND
0.20
0.052
ND
1.5
0.40
4
2/17/21 17:06
BRF
1,2-Dichlorobenzene
ND
0.20
0.074
ND
1.2
0.44
4
2/17/21 17:06
BRF
1,3-Dichlorobenzene
ND
0.20
0.073
ND
1.2
0.44
4
2/17/21 17:06
BRF
1,4-Dichlorobenzene
ND
0.20
0.045
ND
1.2
0.27
4
2/17/21 17:06
BRF
Dichlorodifluoromethane (Freon 12)
ND
0.20
0.063
ND
0.99
0.31
4
2/17/21 17:06
BRF
1,1-Dichloroethane
ND
0.20
0.063
ND
0.81
0.25
4
2/17/21 17:06
BRF
1,2-Dichloroethane
ND
0.20
0.073
ND
0.81
0.30
4
2/17/21 17:06
BRF
1,1-Dichloroethylene
ND
0.20
0.11
ND
0.79
0.43
4
2/17/21 17:06
BRF
cis-1,2-Dichloroethylene
ND
0.20
0.068
ND
0.79
0.27
4
2/17/21 17:06
BRF
trans-1,2-Dichloroethylene
ND
0.20
0.059
ND
0.79
0.23
4
2/17/21 17:06
BRF
1,2-Dichloropropane
ND
0.20
0.072
ND
0.92
0.33
4
2/17/21 17:06
BRF
cis- 1,3 -Dichloropropene
ND
0.20
0.093
ND
0.91
0.42
4
2/17/21 17:06
BRF
trans- 1, 3 -Dichloropropene
ND
0.20
0.067
ND
0.91
0.30
4
2/17/21 17:06
BRF
1,2-Dichloro-1,1,2,2-tetrafluoroethane (Freon 114)
ND
0.20
0.11
ND
1.4
0.79
4
2/17/21 17:06
BRF
1,4-Dioxane
ND
2.0
0.56
ND
7.2
2.0
4
2/17/21 17:06
BRF
Ethanol
29
8.0
2.4
55
15
4.6
4
2/17/21 17:06
BRF
Ethyl Acetate
ND
2.0
1.2
ND
7.2
4.3
4
2/17/21 17:06
BRF
Ethylbenzene
0.32
0.20
0.042
1.4
0.87
0.18
4
2/17/21 17:06
BRF
4-Ethyltoluene
ND
0.20
0.062
ND
0.98
0.30
4
2/17/21 17:06
BRF
Heptane
ND
0.20
0.086
ND
0.82
0.35
4
2/17/21 17:06
BRF
Hexachlorobutadiene
ND
0.20
0.088
ND
2.1
0.94
4
2/17/21 17:06
BRF
Hexane
ND
8.0
0.36
ND
28
1.3
4
2/17/21 17:06
BRF
2-Hexanone (MBK)
ND
0.40
0.11
ND
1.6
0.46
4
2/17/21 17:06
BRF
Isopropanol
3.5
8.0
1.8
J 8.6
20
4.5
4
2/17/21 17:06
BRF
Methyl tert-Butyl Ether (MTBE)
ND
0.20
0.080
ND
0.72
0.29
4
2/17/21 17:06
BRF
Methylene Chloride
9.4
2.0
0.46
33
6.9
1.6
4
2/17/21 17:06
BRF
4-Methyl-2-pentanone (MIBK)
ND
0.20
0.10
ND
0.82
0.43
4
2/17/21 17:06
BRF
Naphthalene
ND
0.20
0.11
Z-01 ND
1.0
0.59
4
2/17/21 17:06
BRF
Propene
ND
8.0
0.67
ND
14
1.2
4
2/17/21 17:06
BRF
Styrene
0.38
0.20
0.057
1.6
0.85
0.24
4
2/17/21 17:06
BRF
1,1,2,2-Tetrachloroethane
ND
0.20
0.053
ND
1.4
0.37
4
2/17/21 17:06
BRF
Page 18 of 45

Con -test®
A Pace Analytical® Laboratory
Project Location: High Point, NC
Date Received: 2/11/2021
Field Sample #: MP-12
Sample ID: 21BO501-08
Sample Matrix: Soil Gas
Sampled: 2/ 10/2021 11:30
39 Spruce Street ` East Longmeadow, MA 01028 ` FAX [phone] " TEL. [phone]
ANALYTICAL RESULTS
Sample Description/Location:
Sub Description/Location:
Canister ID: 2536
Canister Size: 1 liter
Flow Controller ID: 4074
Sample Type: 5 min
Work Order: 21BO501
Initial Vacuum(in Hg): -28
Final Vacuum(in Hg): -5
Receipt Vacuum(in Hg): -7.1
Flow Controller Type: Fixed -Orifice
Flow Controller Calibration
RPD Pre and Post -Sampling:
EPA TO-15
ppbv ug/m3 Date/Time
Analyte Results RL MDL Flag/Qual Results RL MDL Dilution Analyzed Analyst
Tetrachloroethylene
0.17
0.20
0.065
J 1.2
1.4
0.44
4
2/17/21 17:06
BRF
Tetrahydrofuran
ND
2.0
0.49
ND
5.9
1.5
4
2/17/21 17:06
BRF
Toluene
8.5
0.20
0.058
32
0.75
0.22
4
2/17/21 17:06
BRF
1,2,4-Trichlorobenzene
ND
0.20
0.12
V-34 ND
1.5
0.91
4
2/17/21 17:06
BRF
1, 1, 1 -Trichloroethane
ND
0.20
0.065
ND
1.1
0.36
4
2/17/21 17:06
BRF
1,1,2-Trichloroethane
ND
0.20
0.073
ND
1.1
0.40
4
2/17/21 17:06
BRF
Trichloroethylene
ND
0.20
0.074
ND
1.1
0.40
4
2/17/21 17:06
BRF
Trichlorofluoromethane (Freon 11)
0.21
0.80
0.15
J 1.2
4.5
0.85
4
2/17/21 17:06
BRF
1,1,2-Trichloro-1,2,2-trifluoroethane (Freon 113)
ND
0.80
0.15
ND
6.1
1.2
4
2/17/21 17:06
BRF
1,2,4-Trimethylbenzene
ND
0.20
0.046
ND
0.98
0.22
4
2/17/21 17:06
BRF
1,3,5-Trimethylbenzene
ND
0.20
0.052
ND
0.98
0.26
4
2/17/21 17:06
BRF
Vinyl Acetate
ND
4.0
0.56
ND
14
2.0
4
2/17/21 17:06
BRF
Vinyl Chloride
ND
0.20
0.11
ND
0.51
0.29
4
2/17/21 17:06
BRF
m&p-Xylene
0.92
0.40
0.070
4.0
1.7
0.30
4
2/17/21 17:06
BRF
o-Xylene
0.45
0.20
0.054
1.9
0.87
0.23
4
2/17/21 17:06
BRF
Surrogates
4-Bromofluorobenzene (1)
% Recovery
99.2
% REC Limits
70-130
2/17/21 17:06
Page 19 of 45

Con -test®
A Pace Analytical® Laboratory
39 Spruce Street ` East Longmeadow, MA 01028 ` FAX [phone] " TEL. [phone]
ANALYTICAL RESULTS
Project Location: High Point, NC
Sample Description/Location:
Work Order: 21BO501
Date Received: 2/11/2021
Sub Description/Location:
Initial Vacuum(in Hg): -30
Field Sample #: MP-14
Canister ID: 2308
Final Vacuum(in Hg): -6
Sample ID: 21BO501-09
Canister Size: 1 liter
Receipt Vacuum(in Hg): -6.7
Sample Matrix: Soil Gas
Flow Controller ID: 4042
Flow Controller Type: Fixed -Orifice
Sampled: 2/10/2021 12:04
Sample Type: 5 min
Flow Controller Calibration
RPD Pre and Post -Sampling:
Analyte
Results
ppbv
RL
EPA TO-15
MDL
Flag/Qual
Results
ug/m3
RL
MDL
Dilution
Date/Time
Analyzed
Analyst
Acetone
24
8.0
4.8
57
19
11
4
2/17/21 17:31
BRF
Benzene
0.30
0.20
0.058
0.95
0.64
0.19
4
2/17/21 17:31
BRF
Benzyl chloride
ND
0.20
0.090
ND
1.0
0.47
4
2/17/21 17:31
BRF
Bromodichloromethane
ND
0.20
0.056
ND
1.3
0.37
4
2/17/21 17:31
BRF
Bromoform
ND
0.20
0.069
ND
2.1
0.71
4
2/17/21 17:31
BRF
Bromomethane
ND
0.20
0.11
ND
0.78
0.41
4
2/17/21 17:31
BRF
1,3-Butadiene
ND
0.20
0.15
ND
0.44
0.32
4
2/17/21 17:31
BRF
2-Butanone (MEK)
2.1
8.0
0.66
J
6.1
24
2.0
4
2/17/21 17:31
BRF
Carbon Disulfide
ND
2.0
0.51
ND
6.2
1.6
4
2/17/21 17:31
BRF
Carbon Tetrachloride
ND
0.20
0.053
ND
1.3
0.33
4
2/17/21 17:31
BRF
Chlorobenzene
ND
0.20
0.048
ND
0.92
0.22
4
2/17/21 17:31
BRF
Chloroethane
ND
0.20
0.20
ND
0.53
0.52
4
2/17/21 17:31
BRF
Chloroform
ND
0.20
0.048
ND
0.98
0.24
4
2/17/21 17:31
BRF
Chloromethane
ND
0.40
0.15
ND
0.83
0.32
4
2/17/21 17:31
BRF
Cyclohexane
3.4
0.20
0.098
12
0.69
0.34
4
2/17/21 17:31
BRF
Dibromochloromethane
ND
0.20
0.067
ND
1.7
0.57
4
2/17/21 17:31
BRF
1,2-Dibromoethane (EDB)
ND
0.20
0.052
ND
1.5
0.40
4
2/17/21 17:31
BRF
1,2-Dichlorobenzene
ND
0.20
0.074
ND
1.2
0.44
4
2/17/21 17:31
BRF
1,3-Dichlorobenzene
ND
0.20
0.073
ND
1.2
0.44
4
2/17/21 17:31
BRF
1,4-Dichlorobenzene
ND
0.20
0.045
ND
1.2
0.27
4
2/17/21 17:31
BRF
Dichlorodifluoromethane (Freon 12)
ND
0.20
0.063
ND
0.99
0.31
4
2/17/21 17:31
BRF
1,1-Dichloroethane
ND
0.20
0.063
ND
0.81
0.25
4
2/17/21 17:31
BRF
1,2-Dichloroethane
ND
0.20
0.073
ND
0.81
0.30
4
2/17/21 17:31
BRF
1,1-Dichloroethylene
ND
0.20
0.11
ND
0.79
0.43
4
2/17/21 17:31
BRF
cis-1,2-Dichloroethylene
ND
0.20
0.068
ND
0.79
0.27
4
2/17/21 17:31
BRF
trans-1,2-Dichloroethylene
ND
0.20
0.059
ND
0.79
0.23
4
2/17/21 17:31
BRF
1,2-Dichloropropane
ND
0.20
0.072
ND
0.92
0.33
4
2/17/21 17:31
BRF
cis- 1,3 -Dichloropropene
ND
0.20
0.093
ND
0.91
0.42
4
2/17/21 17:31
BRF
trans- 1, 3 -Dichloropropene
ND
0.20
0.067
ND
0.91
0.30
4
2/17/21 17:31
BRF
1,2-Dichloro-1,1,2,2-tetrafluoroethane (Freon 114)
ND
0.20
0.11
ND
1.4
0.79
4
2/17/21 17:31
BRF
1,4-Dioxane
ND
2.0
0.56
ND
7.2
2.0
4
2/17/21 17:31
BRF
Ethanol
38
8.0
2.4
71
15
4.6
4
2/17/21 17:31
BRF
Ethyl Acetate
ND
2.0
1.2
ND
7.2
4.3
4
2/17/21 17:31
BRF
Ethylbenzene
0.68
0.20
0.042
3.0
0.87
0.18
4
2/17/21 17:31
BRF
4-Ethyltoluene
ND
0.20
0.062
ND
0.98
0.30
4
2/17/21 17:31
BRF
Heptane
ND
0.20
0.086
ND
0.82
0.35
4
2/17/21 17:31
BRF
Hexachlorobutadiene
ND
0.20
0.088
ND
2.1
0.94
4
2/17/21 17:31
BRF
Hexane
ND
8.0
0.36
ND
28
1.3
4
2/17/21 17:31
BRF
2-Hexanone (MBK)
ND
0.40
0.11
ND
1.6
0.46
4
2/17/21 17:31
BRF
Isopropanol
5.0
8.0
1.8
J
12
20
4.5
4
2/17/21 17:31
BRF
Methyl tert-Butyl Ether (MTBE)
ND
0.20
0.080
ND
0.72
0.29
4
2/17/21 17:31
BRF
Methylene Chloride
0.96
2.0
0.46
J
3.3
6.9
1.6
4
2/17/21 17:31
BRF
4-Methyl-2-pentanone (MIBK)
ND
0.20
0.10
ND
0.82
0.43
4
2/17/21 17:31
BRF
Naphthalene
ND
0.20
0.11
Z-01
ND
1.0
0.59
4
2/17/21 17:31
BRF
Propene
ND
8.0
0.67
ND
14
1.2
4
2/17/21 17:31
BRF
Styrene
0.84
0.20
0.057
3.6
0.85
0.24
4
2/17/21 17:31
BRF
1,1,2,2-Tetrachloroethane
ND
0.20
0.053
ND
1.4
0.37
4
2/17/21 17:31
BRF
Page 20 of 45

Con -test®
A Pace Analytical® Laboratory
Project Location: High Point, NC
Date Received: 2/11/2021
Field Sample #: MP-14
Sample ID: 21BO501-09
Sample Matrix: Soil Gas
Sampled: 2/ 10/2021 12:04
39 Spruce Street ` East Longmeadow, MA 01028 ` FAX [phone] " TEL. [phone]
ANALYTICAL RESULTS
Sample Description/Location:
Sub Description/Location:
Canister ID: 2308
Canister Size: 1 liter
Flow Controller ID: 4042
Sample Type: 5 min
Work Order: 21BO501
Initial Vacuum(in Hg): -30
Final Vacuum(in Hg): -6
Receipt Vacuum(in Hg): -6.7
Flow Controller Type: Fixed -Orifice
Flow Controller Calibration
RPD Pre and Post -Sampling:
EPA TO-15
ppbv ug/m3 Date/Time
Analyte Results RL MDL Flag/Qual Results RL MDL Dilution Analyzed Analyst
Tetrachloroethylene
0.20
0.20
0.065
1.4
1.4
0.44
4
2/17/21 17:31
BRF
Tetrahydrofuran
ND
2.0
0.49
ND
5.9
1.5
4
2/17/21 17:31
BRF
Toluene
13
0.20
0.058
50
0.75
0.22
4
2/17/21 17:31
BRF
1,2,4-Trichlorobenzene
ND
0.20
0.12
V-34 ND
1.5
0.91
4
2/17/21 17:31
BRF
1, 1, 1 -Trichloroethane
ND
0.20
0.065
ND
1.1
0.36
4
2/17/21 17:31
BRF
1,1,2-Trichloroethane
ND
0.20
0.073
ND
1.1
0.40
4
2/17/21 17:31
BRF
Trichloroethylene
0.73
0.20
0.074
3.9
1.1
0.40
4
2/17/21 17:31
BRF
Trichlorofluoromethane (Freon 11)
0.24
0.80
0.15
J 1.3
4.5
0.85
4
2/17/21 17:31
BRF
1,1,2-Trichloro-1,2,2-trifluoroethane (Freon 113)
ND
0.80
0.15
ND
6.1
1.2
4
2/17/21 17:31
BRF
1,2,4-Trimethylbenzene
0.54
0.20
0.046
2.6
0.98
0.22
4
2/17/21 17:31
BRF
1,3,5-Trimethylbenzene
ND
0.20
0.052
ND
0.98
0.26
4
2/17/21 17:31
BRF
Vinyl Acetate
ND
4.0
0.56
ND
14
2.0
4
2/17/21 17:31
BRF
Vinyl Chloride
ND
0.20
0.11
ND
0.51
0.29
4
2/17/21 17:31
BRF
m&p-Xylene
1.2
0.40
0.070
5.1
1.7
0.30
4
2/17/21 17:31
BRF
o-Xylene
0.70
0.20
0.054
3.0
0.87
0.23
4
2/17/21 17:31
BRF
Surrogates
4-Bromofluorobenzene (1)
% Recovery
100
% REC Limits
70-130
2/17/21 17:31
Page 21 of 45

Con -test®
A Pace Analytical® Laboratory
39 Spruce Street ` East Longmeadow, MA 01028 ` FAX [phone] " TEL. [phone]
ANALYTICAL RESULTS
Project Location: High Point, NC
Sample Description/Location:
Work Order: 21BO501
Date Received: 2/11/2021
Sub Description/Location:
Initial Vacuum(in Hg): -29
Field Sample #: MP-15
Canister ID: 2539
Final Vacuum(in Hg): -5
Sample ID: 21BO501-10
Canister Size: 1 liter
Receipt Vacuum(in Hg): -6.6
Sample Matrix: Soil Gas
Flow Controller ID: 4300
Flow Controller Type: Fixed -Orifice
Sampled: 2/10/2021 12:25
Sample Type: 5 min
Flow Controller Calibration
RPD Pre and Post -Sampling:
Analyte
Results
ppbv
RL
EPA TO-15
MDL
Flag/Qual
Results
ug/m3
RL
MDL
Dilution
Date/Time
Analyzed
Analyst
Acetone
14
8.0
4.8
34
19
11
4
2/17/21 17:55
BRF
Benzene
0.16
0.20
0.058
J
0.51
0.64
0.19
4
2/17/21 17:55
BRF
Benzyl chloride
ND
0.20
0.090
ND
1.0
0.47
4
2/17/21 17:55
BRF
Bromodichloromethane
ND
0.20
0.056
ND
1.3
0.37
4
2/17/21 17:55
BRF
Bromoform
ND
0.20
0.069
ND
2.1
0.71
4
2/17/21 17:55
BRF
Bromomethane
ND
0.20
0.11
ND
0.78
0.41
4
2/17/21 17:55
BRF
1,3-Butadiene
ND
0.20
0.15
ND
0.44
0.32
4
2/17/21 17:55
BRF
2-Butanone (MEK)
2.9
8.0
0.66
J
8.5
24
2.0
4
2/17/21 17:55
BRF
Carbon Disulfide
ND
2.0
0.51
ND
6.2
1.6
4
2/17/21 17:55
BRF
Carbon Tetrachloride
0.076
0.20
0.053
J
0.48
1.3
0.33
4
2/17/21 17:55
BRF
Chlorobenzene
ND
0.20
0.048
ND
0.92
0.22
4
2/17/21 17:55
BRF
Chloroethane
ND
0.20
0.20
ND
0.53
0.52
4
2/17/21 17:55
BRF
Chloroform
ND
0.20
0.048
ND
0.98
0.24
4
2/17/21 17:55
BRF
Chloromethane
ND
0.40
0.15
ND
0.83
0.32
4
2/17/21 17:55
BRF
Cyclohexane
6.7
0.20
0.098
23
0.69
0.34
4
2/17/21 17:55
BRF
Dibromochloromethane
ND
0.20
0.067
ND
1.7
0.57
4
2/17/21 17:55
BRF
1,2-Dibromoethane (EDB)
ND
0.20
0.052
ND
1.5
0.40
4
2/17/21 17:55
BRF
1,2-Dichlorobenzene
ND
0.20
0.074
ND
1.2
0.44
4
2/17/21 17:55
BRF
1,3-Dichlorobenzene
ND
0.20
0.073
ND
1.2
0.44
4
2/17/21 17:55
BRF
1,4-Dichlorobenzene
ND
0.20
0.045
ND
1.2
0.27
4
2/17/21 17:55
BRF
Dichlorodifluoromethane (Freon 12)
0.50
0.20
0.063
2.5
0.99
0.31
4
2/17/21 17:55
BRF
1,1-Dichloroethane
ND
0.20
0.063
ND
0.81
0.25
4
2/17/21 17:55
BRF
1,2-Dichloroethane
ND
0.20
0.073
ND
0.81
0.30
4
2/17/21 17:55
BRF
1,1-Dichloroethylene
ND
0.20
0.11
ND
0.79
0.43
4
2/17/21 17:55
BRF
cis-1,2-Dichloroethylene
ND
0.20
0.068
ND
0.79
0.27
4
2/17/21 17:55
BRF
trans-1,2-Dichloroethylene
ND
0.20
0.059
ND
0.79
0.23
4
2/17/21 17:55
BRF
1,2-Dichloropropane
ND
0.20
0.072
ND
0.92
0.33
4
2/17/21 17:55
BRF
cis- 1,3 -Dichloropropene
ND
0.20
0.093
ND
0.91
0.42
4
2/17/21 17:55
BRF
trans- 1, 3 -Dichloropropene
ND
0.20
0.067
ND
0.91
0.30
4
2/17/21 17:55
BRF
1,2-Dichloro-1,1,2,2-tetrafluoroethane (Freon 114)
ND
0.20
0.11
ND
1.4
0.79
4
2/17/21 17:55
BRF
1,4-Dioxane
ND
2.0
0.56
ND
7.2
2.0
4
2/17/21 17:55
BRF
Ethanol
15
8.0
2.4
29
15
4.6
4
2/17/21 17:55
BRF
Ethyl Acetate
ND
2.0
1.2
ND
7.2
4.3
4
2/17/21 17:55
BRF
Ethylbenzene
0.46
0.20
0.042
2.0
0.87
0.18
4
2/17/21 17:55
BRF
4-Ethyltoluene
0.12
0.20
0.062
J
0.61
0.98
0.30
4
2/17/21 17:55
BRF
Heptane
ND
0.20
0.086
ND
0.82
0.35
4
2/17/21 17:55
BRF
Hexachlorobutadiene
ND
0.20
0.088
ND
2.1
0.94
4
2/17/21 17:55
BRF
Hexane
ND
8.0
0.36
ND
28
1.3
4
2/17/21 17:55
BRF
2-Hexanone (MBK)
ND
0.40
0.11
ND
1.6
0.46
4
2/17/21 17:55
BRF
Isopropanol
2.5
8.0
1.8
J
6.2
20
4.5
4
2/17/21 17:55
BRF
Methyl tert-Butyl Ether (MTBE)
ND
0.20
0.080
ND
0.72
0.29
4
2/17/21 17:55
BRF
Methylene Chloride
1.3
2.0
0.46
J
4.6
6.9
1.6
4
2/17/21 17:55
BRF
4-Methyl-2-pentanone (MIBK)
ND
0.20
0.10
ND
0.82
0.43
4
2/17/21 17:55
BRF
Naphthalene
ND
0.20
0.11
Z-01
ND
1.0
0.59
4
2/17/21 17:55
BRF
Propene
ND
8.0
0.67
ND
14
1.2
4
2/17/21 17:55
BRF
Styrene
0.62
0.20
0.057
2.6
0.85
0.24
4
2/17/21 17:55
BRF
1,1,2,2-Tetrachloroethane
ND
0.20
0.053
ND
1.4
0.37
4
2/17/21 17:55
BRF
Page 22 of 45

Con -test®
A Pace Analytical® Laboratory
Project Location: High Point, NC
Date Received: 2/11/2021
Field Sample #: MP-15
Sample ID: 21BO501-10
Sample Matrix: Soil Gas
Sampled: 2/ 10/2021 12:25
39 Spruce Street ` East Longmeadow, MA 01028 ` FAX [phone] " TEL. [phone]
ANALYTICAL RESULTS
Sample Description/Location:
Sub Description/Location:
Canister ID: 2539
Canister Size: 1 liter
Flow Controller ID: 4300
Sample Type: 5 min
Work Order: 21BO501
Initial Vacuum(in Hg): -29
Final Vacuum(in Hg): -5
Receipt Vacuum(in Hg): -6.6
Flow Controller Type: Fixed -Orifice
Flow Controller Calibration
RPD Pre and Post -Sampling:
EPA TO-15
ppbv ug/m3 Date/Time
Analyte Results RL MDL Flag/Qual Results RL MDL Dilution Analyzed Analyst
Tetrachloroethylene
0.13
0.20
0.065
J
0.87
1.4
0.44
4
2/17/21 17:55
BRF
Tetrahydrofuran
ND
2.0
0.49
ND
5.9
1.5
4
2/17/21 17:55
BRF
Toluene
8.7
0.20
0.058
33
0.75
0.22
4
2/17/21 17:55
BRF
1,2,4-Trichlorobenzene
ND
0.20
0.12
V-34
ND
1.5
0.91
4
2/17/21 17:55
BRF
1, 1, 1 -Trichloroethane
ND
0.20
0.065
ND
1.1
0.36
4
2/17/21 17:55
BRF
1,1,2-Trichloroethane
ND
0.20
0.073
ND
1.1
0.40
4
2/17/21 17:55
BRF
Trichloroethylene
ND
0.20
0.074
ND
1.1
0.40
4
2/17/21 17:55
BRF
Trichlorofluoromethane (Freon 11)
0.23
0.80
0.15
J
1.3
4.5
0.85
4
2/17/21 17:55
BRF
1,1,2-Trichloro-1,2,2-trifluoroethane (Freon 113)
ND
0.80
0.15
ND
6.1
1.2
4
2/17/21 17:55
BRF
1,2,4-Trimethylbenzene
0.38
0.20
0.046
1.9
0.98
0.22
4
2/17/21 17:55
BRF
1,3,5-Trimethylbenzene
0.11
0.20
0.052
J
0.55
0.98
0.26
4
2/17/21 17:55
BRF
Vinyl Acetate
ND
4.0
0.56
ND
14
2.0
4
2/17/21 17:55
BRF
Vinyl Chloride
ND
0.20
0.11
ND
0.51
0.29
4
2/17/21 17:55
BRF
m&p-Xylene
0.75
0.40
0.070
3.2
1.7
0.30
4
2/17/21 17:55
BRF
o-Xylene
0.48
0.20
0.054
2.1
0.87
0.23
4
2/17/21 17:55
BRF
Surrogates
4-Bromofluorobenzene (1)
% Recovery
99.7
% REC Limits
70-130
2/17/21 17:55
Page 23 of 45

Con -test®
A Pace Analytical® Laboratory
39 Spruce Street ` East Longmeadow, MA 01028 ` FAX [phone] " TEL. [phone]
ANALYTICAL RESULTS
Project Location: High Point, NC
Sample Description/Location:
Work Order: 21BO501
Date Received: 2/11/2021
Sub Description/Location:
Initial Vacuum(in Hg): -28
Field Sample #: MP-19
Canister ID: 2107
Final Vacuum(in Hg): -5
Sample ID: 21BO501-11
Canister Size: 1 liter
Receipt Vacuum(in Hg): -8.1
Sample Matrix: Soil Gas
Flow Controller ID: 4089
Flow Controller Type: Fixed -Orifice
Sampled: 2/10/2021 14:29
Sample Type: 5 min
Flow Controller Calibration
RPD Pre and Post -Sampling:
Analyte
Results
ppbv
RL
EPA TO-15
MDL
Flag/Qual
Results
ug/m3
RL
MDL
Dilution
Date/Time
Analyzed
Analyst
Acetone
42
8.0
4.8
100
19
11
4
2/17/21 18:20
BRF
Benzene
0.33
0.20
0.058
1.0
0.64
0.19
4
2/17/21 18:20
BRF
Benzyl chloride
ND
0.20
0.090
ND
1.0
0.47
4
2/17/21 18:20
BRF
Bromodichloromethane
ND
0.20
0.056
ND
1.3
0.37
4
2/17/21 18:20
BRF
Bromoform
ND
0.20
0.069
ND
2.1
0.71
4
2/17/21 18:20
BRF
Bromomethane
ND
0.20
0.11
ND
0.78
0.41
4
2/17/21 18:20
BRF
1,3-Butadiene
ND
0.20
0.15
ND
0.44
0.32
4
2/17/21 18:20
BRF
2-Butanone (MEK)
6.6
8.0
0.66
J
19
24
2.0
4
2/17/21 18:20
BRF
Carbon Disulfide
ND
2.0
0.51
ND
6.2
1.6
4
2/17/21 18:20
BRF
Carbon Tetrachloride
0.076
0.20
0.053
J
0.48
1.3
0.33
4
2/17/21 18:20
BRF
Chlorobenzene
ND
0.20
0.048
ND
0.92
0.22
4
2/17/21 18:20
BRF
Chloroethane
ND
0.20
0.20
ND
0.53
0.52
4
2/17/21 18:20
BRF
Chloroform
ND
0.20
0.048
ND
0.98
0.24
4
2/17/21 18:20
BRF
Chloromethane
ND
0.40
0.15
ND
0.83
0.32
4
2/17/21 18:20
BRF
Cyclohexane
32
0.20
0.098
110
0.69
0.34
4
2/17/21 18:20
BRF
Dibromochloromethane
ND
0.20
0.067
ND
1.7
0.57
4
2/17/21 18:20
BRF
1,2-Dibromoethane (EDB)
ND
0.20
0.052
ND
1.5
0.40
4
2/17/21 18:20
BRF
1,2-Dichlorobenzene
ND
0.20
0.074
ND
1.2
0.44
4
2/17/21 18:20
BRF
1,3-Dichlorobenzene
ND
0.20
0.073
ND
1.2
0.44
4
2/17/21 18:20
BRF
1,4-Dichlorobenzene
ND
0.20
0.045
ND
1.2
0.27
4
2/17/21 18:20
BRF
Dichlorodifluoromethane (Freon 12)
ND
0.20
0.063
ND
0.99
0.31
4
2/17/21 18:20
BRF
1,1-Dichloroethane
ND
0.20
0.063
ND
0.81
0.25
4
2/17/21 18:20
BRF
1,2-Dichloroethane
ND
0.20
0.073
ND
0.81
0.30
4
2/17/21 18:20
BRF
1,1-Dichloroethylene
ND
0.20
0.11
ND
0.79
0.43
4
2/17/21 18:20
BRF
cis-1,2-Dichloroethylene
ND
0.20
0.068
ND
0.79
0.27
4
2/17/21 18:20
BRF
trans-1,2-Dichloroethylene
ND
0.20
0.059
ND
0.79
0.23
4
2/17/21 18:20
BRF
1,2-Dichloropropane
ND
0.20
0.072
ND
0.92
0.33
4
2/17/21 18:20
BRF
cis- 1,3 -Dichloropropene
ND
0.20
0.093
ND
0.91
0.42
4
2/17/21 18:20
BRF
trans- 1, 3 -Dichloropropene
ND
0.20
0.067
ND
0.91
0.30
4
2/17/21 18:20
BRF
1,2-Dichloro-1,1,2,2-tetrafluoroethane (Freon 114)
ND
0.20
0.11
ND
1.4
0.79
4
2/17/21 18:20
BRF
1,4-Dioxane
ND
2.0
0.56
ND
7.2
2.0
4
2/17/21 18:20
BRF
Ethanol
76
8.0
2.4
140
15
4.6
4
2/17/21 18:20
BRF
Ethyl Acetate
1.6
2.0
1.2
J
5.7
7.2
4.3
4
2/17/21 18:20
BRF
Ethylbenzene
4.9
0.20
0.042
21
0.87
0.18
4
2/17/21 18:20
BRF
4-Ethyltoluene
ND
0.20
0.062
ND
0.98
0.30
4
2/17/21 18:20
BRF
Heptane
ND
0.20
0.086
ND
0.82
0.35
4
2/17/21 18:20
BRF
Hexachlorobutadiene
ND
0.20
0.088
ND
2.1
0.94
4
2/17/21 18:20
BRF
Hexane
ND
8.0
0.36
ND
28
1.3
4
2/17/21 18:20
BRF
2-Hexanone (MBK)
ND
0.40
0.11
ND
1.6
0.46
4
2/17/21 18:20
BRF
Isopropanol
13
8.0
1.8
31
20
4.5
4
2/17/21 18:20
BRF
Methyl tert-Butyl Ether (MTBE)
ND
0.20
0.080
ND
0.72
0.29
4
2/17/21 18:20
BRF
Methylene Chloride
0.60
2.0
0.46
J
2.1
6.9
1.6
4
2/17/21 18:20
BRF
4-Methyl-2-pentanone (MIBK)
ND
0.20
0.10
ND
0.82
0.43
4
2/17/21 18:20
BRF
Naphthalene
ND
0.20
0.11
Z-01
ND
1.0
0.59
4
2/17/21 18:20
BRF
Propene
ND
8.0
0.67
ND
14
1.2
4
2/17/21 18:20
BRF
Styrene
0.77
0.20
0.057
3.3
0.85
0.24
4
2/17/21 18:20
BRF
1,1,2,2-Tetrachloroethane
ND
0.20
0.053
ND
1.4
0.37
4
2/17/21 18:20
BRF
Page 24 of 45

Con -test®
A Pace Analytical® Laboratory
Project Location: High Point, NC
Date Received: 2/11/2021
Field Sample #: MP-19
Sample ID: 21BO501-11
Sample Matrix: Soil Gas
Sampled: 2/ 10/2021 14:29
39 Spruce Street ` East Longmeadow, MA 01028 ` FAX [phone] " TEL. [phone]
ANALYTICAL RESULTS
Sample Description/Location:
Sub Description/Location:
Canister ID: 2107
Canister Size: 1 liter
Flow Controller ID: 4089
Sample Type: 5 min
Work Order: 21BO501
Initial Vacuum(in Hg): -28
Final Vacuum(in Hg): -5
Receipt Vacuum(in Hg): -8.1
Flow Controller Type: Fixed -Orifice
Flow Controller Calibration
RPD Pre and Post -Sampling:
EPA TO-15
ppbv ug/m3 Date/Time
Analyte Results RL MDL Flag/Qual Results RL MDL Dilution Analyzed Analyst
Tetrachloroethylene
0.18
0.20
0.065
J
1.2
1.4
0.44
4
2/17/21 18:20
BRF
Tetrahydrofuran
ND
2.0
0.49
ND
5.9
1.5
4
2/17/21 18:20
BRF
Toluene
14
0.20
0.058
54
0.75
0.22
4
2/17/21 18:20
BRF
1,2,4-Trichlorobenzene
ND
0.20
0.12
V-34
ND
1.5
0.91
4
2/17/21 18:20
BRF
1, 1, 1 -Trichloroethane
ND
0.20
0.065
ND
1.1
0.36
4
2/17/21 18:20
BRF
1,1,2-Trichloroethane
ND
0.20
0.073
ND
1.1
0.40
4
2/17/21 18:20
BRF
Trichloroethylene
ND
0.20
0.074
ND
1.1
0.40
4
2/17/21 18:20
BRF
Trichlorofluoromethane (Freon 11)
0.22
0.80
0.15
J
1.2
4.5
0.85
4
2/17/21 18:20
BRF
1,1,2-Trichloro-1,2,2-trifluoroethane (Freon 113)
ND
0.80
0.15
ND
6.1
1.2
4
2/17/21 18:20
BRF
1,2,4-Trimethylbenzene
ND
0.20
0.046
ND
0.98
0.22
4
2/17/21 18:20
BRF
1,3,5-Trimethylbenzene
0.15
0.20
0.052
J
0.73
0.98
0.26
4
2/17/21 18:20
BRF
Vinyl Acetate
ND
4.0
0.56
ND
14
2.0
4
2/17/21 18:20
BRF
Vinyl Chloride
ND
0.20
0.11
ND
0.51
0.29
4
2/17/21 18:20
BRF
m&p-Xylene
18
0.40
0.070
77
1.7
0.30
4
2/17/21 18:20
BRF
o-Xylene
5.3
0.20
0.054
23
0.87
0.23
4
2/17/21 18:20
BRF
Surrogates
4-Bromofluorobenzene (1)
% Recovery
102
% REC Limits
70-130
2/17/21 18:20
Page 25 of 45

Con -test®
A Pace Analytical® Laboratory
39 Spruce Street ` East Longmeadow, MA 01028 ` FAX [phone] " TEL. [phone]
ANALYTICAL RESULTS
Project Location: High Point, NC
Sample Description/Location:
Work Order: 21BO501
Date Received: 2/11/2021
Sub Description/Location:
Initial Vacuum(in Hg): -28
Field Sample #: MP-Dup 2
Canister ID: 2240
Final Vacuum(in Hg): -6
Sample ID: 21BO501-12
Canister Size: 1 liter
Receipt Vacuum(in Hg): -8.2
Sample Matrix: Soil Gas
Flow Controller ID: 4187
Flow Controller Type: Fixed -Orifice
Sampled: 2/10/2021 00:00
Sample Type: 5 min
Flow Controller Calibration
RPD Pre and Post -Sampling:
Analyte
Results
ppbv
RL
EPA TO-15
MDL
Flag/Qual Results
ug/m3
RL
MDL
Dilution
Date/Time
Analyzed
Analyst
Acetone
61
8.0
4.8
140
19
11
4
2/17/21 18:45
BRF
Benzene
0.34
0.20
0.058
1.1
0.64
0.19
4
2/17/21 18:45
BRF
Benzyl chloride
ND
0.20
0.090
ND
1.0
0.47
4
2/17/21 18:45
BRF
Bromodichloromethane
ND
0.20
0.056
ND
1.3
0.37
4
2/17/21 18:45
BRF
Bromoform
ND
0.20
0.069
ND
2.1
0.71
4
2/17/21 18:45
BRF
Bromomethane
ND
0.20
0.11
ND
0.78
0.41
4
2/17/21 18:45
BRF
1,3-Butadiene
ND
0.20
0.15
ND
0.44
0.32
4
2/17/21 18:45
BRF
2-Butanone (MEK)
7.5
8.0
0.66
J 22
24
2.0
4
2/17/21 18:45
BRF
Carbon Disulfide
ND
2.0
0.51
ND
6.2
1.6
4
2/17/21 18:45
BRF
Carbon Tetrachloride
ND
0.20
0.053
ND
1.3
0.33
4
2/17/21 18:45
BRF
Chlorobenzene
ND
0.20
0.048
ND
0.92
0.22
4
2/17/21 18:45
BRF
Chloroethane
ND
0.20
0.20
ND
0.53
0.52
4
2/17/21 18:45
BRF
Chloroform
ND
0.20
0.048
ND
0.98
0.24
4
2/17/21 18:45
BRF
Chloromethane
ND
0.40
0.15
ND
0.83
0.32
4
2/17/21 18:45
BRF
Cyclohexane
94
0.20
0.098
320
0.69
0.34
4
2/17/21 18:45
BRF
Dibromochloromethane
ND
0.20
0.067
ND
1.7
0.57
4
2/17/21 18:45
BRF
1,2-Dibromoethane (EDB)
ND
0.20
0.052
ND
1.5
0.40
4
2/17/21 18:45
BRF
1,2-Dichlorobenzene
ND
0.20
0.074
ND
1.2
0.44
4
2/17/21 18:45
BRF
1,3-Dichlorobenzene
ND
0.20
0.073
ND
1.2
0.44
4
2/17/21 18:45
BRF
1,4-Dichlorobenzene
ND
0.20
0.045
ND
1.2
0.27
4
2/17/21 18:45
BRF
Dichlorodifluoromethane (Freon 12)
ND
0.20
0.063
ND
0.99
0.31
4
2/17/21 18:45
BRF
1,1-Dichloroethane
ND
0.20
0.063
ND
0.81
0.25
4
2/17/21 18:45
BRF
1,2-Dichloroethane
ND
0.20
0.073
ND
0.81
0.30
4
2/17/21 18:45
BRF
1,1-Dichloroethylene
ND
0.20
0.11
ND
0.79
0.43
4
2/17/21 18:45
BRF
cis-1,2-Dichloroethylene
ND
0.20
0.068
ND
0.79
0.27
4
2/17/21 18:45
BRF
trans-1,2-Dichloroethylene
ND
0.20
0.059
ND
0.79
0.23
4
2/17/21 18:45
BRF
1,2-Dichloropropane
ND
0.20
0.072
ND
0.92
0.33
4
2/17/21 18:45
BRF
cis- 1,3 -Dichloropropene
ND
0.20
0.093
ND
0.91
0.42
4
2/17/21 18:45
BRF
trans- 1, 3 -Dichloropropene
ND
0.20
0.067
ND
0.91
0.30
4
2/17/21 18:45
BRF
1,2-Dichloro-1,1,2,2-tetrafluoroethane (Freon 114)
ND
0.20
0.11
ND
1.4
0.79
4
2/17/21 18:45
BRF
1,4-Dioxane
ND
2.0
0.56
ND
7.2
2.0
4
2/17/21 18:45
BRF
Ethanol
110
8.0
2.4
200
15
4.6
4
2/17/21 18:45
BRF
Ethyl Acetate
ND
2.0
1.2
ND
7.2
4.3
4
2/17/21 18:45
BRF
Ethylbenzene
7.4
0.20
0.042
32
0.87
0.18
4
2/17/21 18:45
BRF
4-Ethyltoluene
ND
0.20
0.062
ND
0.98
0.30
4
2/17/21 18:45
BRF
Heptane
ND
0.20
0.086
ND
0.82
0.35
4
2/17/21 18:45
BRF
Hexachlorobutadiene
ND
0.20
0.088
ND
2.1
0.94
4
2/17/21 18:45
BRF
Hexane
ND
8.0
0.36
ND
28
1.3
4
2/17/21 18:45
BRF
2-Hexanone (MBK)
ND
0.40
0.11
ND
1.6
0.46
4
2/17/21 18:45
BRF
Isopropanol
19
8.0
1.8
47
20
4.5
4
2/17/21 18:45
BRF
Methyl tert-Butyl Ether (MTBE)
ND
0.20
0.080
ND
0.72
0.29
4
2/17/21 18:45
BRF
Methylene Chloride
ND
2.0
0.46
ND
6.9
1.6
4
2/17/21 18:45
BRF
4-Methyl-2-pentanone (MIBK)
ND
0.20
0.10
ND
0.82
0.43
4
2/17/21 18:45
BRF
Naphthalene
ND
0.20
0.11
Z-01 ND
1.0
0.59
4
2/17/21 18:45
BRF
Propene
ND
8.0
0.67
ND
14
1.2
4
2/17/21 18:45
BRF
Styrene
0.80
0.20
0.057
3.4
0.85
0.24
4
2/17/21 18:45
BRF
1,1,2,2-Tetrachloroethane
ND
0.20
0.053
ND
1.4
0.37
4
2/17/21 18:45
BRF
Page 26 of 45

Con -test®
A Pace Analytical® Laboratory
Project Location: High Point, NC
Date Received: 2/11/2021
Field Sample #: MP-Dup 2
Sample ID: 21BO501-12
Sample Matrix: Soil Gas
Sampled: 2/ 10/2021 00:00
39 Spruce Street ` East Longmeadow, MA 01028 ` FAX [phone] " TEL. [phone]
ANALYTICAL RESULTS
Sample Description/Location:
Sub Description/Location:
Canister ID: 2240
Canister Size: 1 liter
Flow Controller ID: 4187
Sample Type: 5 min
Work Order: 21BO501
Initial Vacuum(in Hg): -28
Final Vacuum(in Hg): -6
Receipt Vacuum(in Hg): -8.2
Flow Controller Type: Fixed -Orifice
Flow Controller Calibration
RPD Pre and Post -Sampling:
EPA TO-15
ppbv ug/m3 Date/Time
Analyte Results RL MDL Flag/Qual Results RL MDL Dilution Analyzed Analyst
Tetrachloroethylene
0.15
0.20
0.065
J
1.0
1.4
0.44
4
2/17/21 18:45
BRF
Tetrahydrofuran
ND
2.0
0.49
ND
5.9
1.5
4
2/17/21 18:45
BRF
Toluene
13
0.20
0.058
51
0.75
0.22
4
2/17/21 18:45
BRF
1,2,4-Trichlorobenzene
ND
0.20
0.12
V-34
ND
1.5
0.91
4
2/17/21 18:45
BRF
1, 1, 1 -Trichloroethane
ND
0.20
0.065
ND
1.1
0.36
4
2/17/21 18:45
BRF
1,1,2-Trichloroethane
ND
0.20
0.073
ND
1.1
0.40
4
2/17/21 18:45
BRF
Trichloroethylene
0.12
0.20
0.074
J
0.64
1.1
0.40
4
2/17/21 18:45
BRF
Trichlorofluoromethane (Freon 11)
0.31
0.80
0.15
J
1.7
4.5
0.85
4
2/17/21 18:45
BRF
1,1,2-Trichloro-1,2,2-trifluoroethane (Freon 113)
ND
0.80
0.15
ND
6.1
1.2
4
2/17/21 18:45
BRF
1,2,4-Trimethylbenzene
ND
0.20
0.046
ND
0.98
0.22
4
2/17/21 18:45
BRF
1,3,5-Trimethylbenzene
0.18
0.20
0.052
J
0.90
0.98
0.26
4
2/17/21 18:45
BRF
Vinyl Acetate
ND
4.0
0.56
ND
14
2.0
4
2/17/21 18:45
BRF
Vinyl Chloride
ND
0.20
0.11
ND
0.51
0.29
4
2/17/21 18:45
BRF
m&p-Xylene
28
0.40
0.070
120
1.7
0.30
4
2/17/21 18:45
BRF
o-Xylene
8.1
0.20
0.054
35
0.87
0.23
4
2/17/21 18:45
BRF
Surrogates
4-Bromofluorobenzene (1)
% Recovery
102
% REC Limits
70-130
2/17/21 18:45
Page 27 of 45

Con -test®
A Pace Analytical® Laboratory
39 Spruce Street ` East Longmeadow, MA 01028 ` FAX [phone] " TEL. [phone]
Sample Extraction Data
Prep Method: TO-15 Prep -EPA TO-15
Lab Number [Field ID]
Batch
Pressure
Dilution
Pre
Dilution
Pre-Dil
Initial
mL
Pre-Dil
Final
mL
Default
Injection
mL
Actual
Injection
mL
Date
21B0501-01 [MP-10]
B276676
1.5
1
N/A
1000
200
75
02/17/21
21B0501-02 [MP-11]
B276676
1.5
1
N/A
1000
200
75
02/17/21
21B0501-03 [MP-9]
B276676
1.5
1
N/A
1000
200
75
02/17/21
21B0501-04 [MP-7]
B276676
1.5
1
N/A
1000
200
75
02/17/21
21B0501-05 [MP-Dup]
B276676
1.5
1
N/A
1000
200
75
02/17/21
21B0501-06 [MP-3]
B276676
1.5
1
N/A
1000
200
75
02/17/21
21B0501-07 [MP-5]
B276676
1.5
1
N/A
1000
200
75
02/17/21
21B0501-08 [MP-12]
B276676
1.5
1
N/A
1000
200
75
02/17/21
21B0501-09 [MP-14]
B276676
1.5
1
N/A
1000
200
75
02/17/21
21B0501-10 [MP-15]
B276676
1.5
1
N/A
1000
200
75
02/17/21
21B0501-11 [MP-19]
B276676
1.5
1
N/A
1000
200
75
02/17/21
21B0501-12 [MP-Dup 2]
B276676
1.5
1
N/A
1000
200
75
02/17/21
Page 28 of 45

Con -test®
A Pace Analytical® Laboratory
39 Spruce Street ` East Longmeadow, MA 01028 ` FAX [phone] " TEL. [phone]
QUALITY CONTROL
Air Toxics by EPA Compendium Methods - Quality Control
ppbv ug/m3 Spike Level Source %REC RPD
nalyte Results RL Results RL ppbv Result %REC Limits RPD Limit Flag/Qua
Batch B276676 - TO-15 Prep
Blank (B276676-BLK1)
Prepared & Analyzed: 02/17/21
Acetone
ND
0.80
Benzene
ND
0.020
Benzyl chloride
ND
0.020
Bromodichloromethane
ND
0.020
Bromoform
ND
0.020
Bromomethane
ND
0.020
1,3-Butadiene
ND
0.020
2-Butanone (MEK)
ND
0.80
Carbon Disulfide
ND
0.20
Carbon Tetrachloride
ND
0.020
Chlorobenzene
ND
0.020
Chloroethane
ND
0.020
Chloroform
ND
0.020
Chloromethane
ND
0.040
Cyclohexane
ND
0.020
Dibromochloromethane
ND
0.020
1,2-Dibromoethane (EDB)
ND
0.020
1,2-Dichlorobenzene
ND
0.020
1,3-Dichlorobenzene
ND
0.020
114-Dichlorobenzene
ND
0.020
Dichlorodifluoromethane (Freon 12)
ND
0.020
1,1-Dichloroethane
ND
0.020
1,2-Dichloroethane
ND
0.020
1,1-Dichloroethylene
ND
0.020
cis-1,2-Dichloroethylene
ND
0.020
trans-1,2-Dichloroethylene
ND
0.020
1,2-Dichloropropane
ND
0.020
cis- 1,3 -Dichloropropene
ND
0.020
trans- l,3-Dichloropropene
ND
0.020
1,2-Dichloro- 1, 1,2,2-tetrafluoroethane
ND
0.020
(Freon 114)
1,4-Dioxane
ND
0.20
Ethanol
ND
0.80
Ethyl Acetate
ND
0.20
Ethylbenzene
ND
0.020
4-Ethyltoluene
ND
0.020
Heptane
ND
0.020
Hexachlorobutadiene
ND
0.020
Hexane
ND
0.80
2-Hexanone (MBK)
ND
0.020
Isopropanol
ND
0.80
Methyl tert-Butyl Ether (MTBE)
ND
0.020
Methylene Chloride
ND
0.20
4-Methyl-2-pentanone (MIBK)
ND
0.020
Naphthalene
ND
0.020
Z-01
Propene
ND
0.80
Styrene
ND
0.020
Page 29 of 45

Con -test®
A Pace Analytical® Laboratory
39 Spruce Street ` East Longmeadow, MA 01028 ` FAX [phone] " TEL. [phone]
QUALITY CONTROL
Air Toxics by EPA Compendium Methods - Quality Control
ppbv ug/m3 Spike Level Source %REC RPD
\nalyte Results RL Results RL ppbv Result %REC Limits RPD Limit Flag/Qua]
Batch B276676 - TO-15 Prep
Blank (B276676-BLKI)
Prepared & Analyzed: 02/17/21
1,1,2,2-Tetrachloroethane
ND
0.020
Tetrachloroethylene
ND
0.020
Tetrahydrofuran
0.070
0.20 J
Toluene
ND
0.020
1,2,4-Trichlorobenzene
ND
0.020 V-34
1, 1, 1 -Trichloroethane
ND
0.020
1,1,2-Trichloroethane
ND
0.020
Trichloroethylene
ND
0.020
Trichlorofluoromethane (Freon 11)
ND
0.080
1, 1,2-Trichloro- 1,2,2-trifluoroethane (Freon
ND
0.080
113)
1,2,4-Trimethylbenzene
ND
0.020
1,3,5-Trimethylbenzene
ND
0.020
Vinyl Acetate
ND
0.40
Vinyl Chloride
ND
0.020
m&p-Xylene
ND
0.040
o-Xylene
ND
0.020
Surrogate: 4-Bromofluorobenzene (1)
LCS (B276676-BS1)
7.89
8.00 98.7
Prepared & Analyzed: 02/17/21
70-130
Acetone
4.66
5.00
93.1
70-130
Benzene
4.88
5.00
97.6
70-130
Benzyl chloride
4.86
5.00
97.1
70-130
Bromodichloromethane
5.20
5.00
104
70-130
Bromoform
5.06
5.00
101
70-130
Bromomethane
4.46
5.00
89.3
70-130
1,3-Butadiene
4.20
5.00
84.0
70-130
2-Butanone (MEK)
4.48
5.00
89.7
70-130
Carbon Disulfide
4.05
5.00
81.0
70-130
Carbon Tetrachloride
4.84
5.00
96.9
70-130
Chlorobenzene
4.73
5.00
94.6
70-130
Chloroethane
4.61
5.00
92.2
70-130
Chloroform
4.62
5.00
92.3
70-130
Chloromethane
4.44
5.00
88.8
70-130
Cyclohexane
4.82
5.00
96.3
70-130
Dibromochloromethane
4.84
5.00
96.9
70-130
1,2-Dibromoethane (EDB)
5.17
5.00
103
70-130
1,2-Dichlorobenzene
5.19
5.00
104
70-130
1,3-Dichlorobenzene
5.19
5.00
104
70-130
1,4-Dichlorobenzene
5.04
5.00
101
70-130
Dichlorodifluoromethane (Freon 12)
4.68
5.00
93.5
70-130
1,1-Dichloroethane
4.67
5.00
93.4
70-130
1,2-Dichloroethane
4.85
5.00
97.1
70-130
1, 1 -Dichloroethylene
4.54
5.00
90.9
70-130
cis-1,2-Dichloroethylene
4.74
5.00
94.9
70-130
trans-1,2-Dichloroethylene
4.75
5.00
94.9
70-130
1,2-Dichloropropane
4.83
5.00
96.6
70-130
Page 30 of 45

Con -test®
A Pace Analytical® Laboratory
39 Spruce Street ` East Longmeadow, MA 01028 ` FAX [phone] " TEL. [phone]
QUALITY CONTROL
Air Toxics by EPA Compendium Methods - Quality Control
ppbv ug/m3 Spike Level Source %REC RPD
\nalyte Results RL Results RL ppbv Result %REC Limits RPD Limit Flag/Qua]
Batch B276676 - TO-15 Prep
LCS (B276676-BS1)
Prepared & Analyzed: 02/17/21
cis-1,3-Dichloropropene
4.98
5.00
99.7
70-130
trans-1,3-Dichloropropene
5.21
5.00
104
70-130
1,2-Dichloro- 1, 1,2,2-tetrafluoroethane
4.28
5.00
85.6
70-130
(Freon 114)
1,4-Dioxane
5.11
5.00
102
70-130
Ethanol
4.07
5.00
81.5
70-130
Ethyl Acetate
4.28
5.00
85.6
70-130
Ethylbenzene
5.09
5.00
102
70-130
4-Ethyltoluene
5.15
5.00
103
70-130
Heptane
5.10
5.00
102
70-130
Hexachlorobutadiene
4.22
5.00
84.3
70-130
Hexane
4.94
5.00
98.9
70-130
2-Hexanone (MBK)
5.96
5.00
119
70-130
Isopropanol
4.24
5.00
84.8
70-130
Methyl tert-Butyl Ether (MTBE)
4.38
5.00
87.5
70-130
Methylene Chloride
4.58
5.00
91.7
70-130
4-Methyl-2-pentanone (MIBK)
5.04
5.00
101
70-130
Naphthalene
3.30
5.00
66.0
* 70-130 Z-01
Propene
4.24
5.00
84.9
70-130
Styrene
5.04
5.00
101
70-130
1,1,2,2-Tetrachloroethane
4.99
5.00
99.9
70-130
Tetrachloroethylene
4.93
5.00
98.7
70-130
Tetrahydrofuran
4.82
5.00
96.5
70-130
Toluene
4.86
5.00
97.1
70-130
1,2,4-Trichlorobenzene
3.73
5.00
74.7
70-130 V-34
1, 1, 1 -Trichloroethane
4.68
5.00
93.6
70-130
1,1,2-Trichloroethane
4.95
5.00
99.1
70-130
Trichloroethylene
5.06
5.00
101
70-130
Trichlorofluoromethane (Freon 11)
4.69
5.00
93.8
70-130
1, 1,2-Trichloro- 1,2,2-trifluoroethane (Freon
4.28
5.00
85.6
70-130
113)
1,2,4-Trimethylbenzene
5.07
5.00
101
70-130
1,3,5-Trimethylbenzene
4.95
5.00
99.0
70-130
Vinyl Acetate
4.34
5.00
86.7
70-130
Vinyl Chloride
4.46
5.00
89.1
70-130
m&p-Xylene
10.3
10.0
103
70-130
o-Xylene
4.97
5.00
99.5
70-130
Surrogate: 4-Bromofluorobenzene (1) 8.13 8.00 102 70-130
Page 31 of 45

Con -test®
A Pace Analytical® Laboratory
39 Spruce Street ` East Longmeadow, MA 01028 ` FAX [phone] " TEL. [phone]
QUALITY CONTROL
Air Toxics by EPA Compendium Methods - Quality Control
ppbv ug/m3 Spike Level Source %REC RPD
\nalyte Results RL Results RL ppbv Result %REC Limits RPD Limit Flag/Qua]
Batch B276676 - TO-15 Prep
Duplicate (B276676-DUPI)
Source: 21B0501-02
Prepared & Analyzed: 02/17/21
Acetone
20
8.0
47
19
19
3.48
25
Benzene
0.30
0.20
0.95
0.64
0.30
0.00
25
Benzyl chloride
ND
0.20
ND
1.0
ND
25
Bromodichloromethane
ND
0.20
ND
1.3
ND
25
Bromoform
ND
0.20
ND
2.1
ND
25
Bromomethane
ND
0.20
ND
0.78
ND
25
1,3-Butadiene
ND
0.20
ND
0.44
ND
25
2-Butanone (MEK)
ND
8.0
ND
24
ND
25
Carbon Disulfide
ND
2.0
ND
6.2
ND
25
Carbon Tetrachloride
0.088
0.20
0.55
1.3
0.080
9.52
25 J
Chlorobenzene
ND
0.20
ND
0.92
ND
25
Chloroethane
ND
0.20
ND
0.53
ND
25
Chloroform
ND
0.20
ND
0.98
ND
25
Chloromethane
ND
0.40
ND
0.83
ND
25
Cyclohexane
6.4
0.20
22
0.69
6.1
4.14
25
Dibromochloromethane
ND
0.20
ND
1.7
ND
25
1,2-Dibromoethane (EDB)
ND
0.20
ND
1.5
ND
25
1,2-Dichlorobenzene
ND
0.20
ND
1.2
ND
25
1,3-Dichlorobenzene
ND
0.20
ND
1.2
ND
25
1,4-Dichlorobenzene
ND
0.20
ND
1.2
ND
25
Dichlorodifluoromethane (Freon 12)
ND
0.20
ND
0.99
ND
25
1,1-Dichloroethane
ND
0.20
ND
0.81
ND
25
1,2-Dichloroethane
ND
0.20
ND
0.81
ND
25
1,1-Dichloroethylene
ND
0.20
ND
0.79
ND
25
cis-1,2-Dichloroethylene
ND
0.20
ND
0.79
ND
25
trans-1,2-Dichloroethylene
ND
0.20
ND
0.79
ND
25
1,2-Dichloropropane
ND
0.20
ND
0.92
ND
25
cis-1,3-Dichloropropene
ND
0.20
ND
0.91
ND
25
trans- 1, 3 -Dichloropropene
ND
0.20
ND
0.91
ND
25
1,2-Dichloro- 1, 1,2,2-tetrafluoroethane
ND
0.20
ND
1.4
ND
25
(Freon 114)
1,4-Dioxane
ND
2.0
ND
7.2
ND
25
Ethanol
19
8.0
36
15
20
5.57
25
Ethyl Acetate
ND
2.0
ND
7.2
ND
25
Ethylbenzene
0.33
0.20
1.4
0.87
0.31
6.29
25
4-Ethyltoluene
ND
0.20
ND
0.98
ND
25
Heptane
ND
0.20
ND
0.82
ND
25
Hexachlorobutadiene
ND
0.20
ND
2.1
ND
25
Hexane
ND
8.0
ND
28
ND
25
2-Hexanone (MBK)
ND
0.20
ND
0.82
ND
25
Isopropanol
ND
8.0
ND
20
ND
25
Methyl tert-Butyl Ether (MTBE)
ND
0.20
ND
0.72
ND
25
Methylene Chloride
2.0
2.0
6.8
6.9
1.9
1.44
25 I
4-Methyl-2-pentanone (MIBK)
ND
0.20
ND
0.82
ND
25
Naphthalene
ND
0.20
ND
1.0
ND
25 Z-01
Propene
ND
8.0
ND
14
ND
25
Styrene
ND
0.20
ND
0.85
ND
25
Page 32 of 45

Con -test®
A Pace Analytical® Laboratory
39 Spruce Street ` East Longmeadow, MA 01028 ` FAX [phone] " TEL. [phone]
QUALITY CONTROL
Air Toxics by EPA Compendium Methods - Quality Control
ppbv ug/m3 Spike Level Source %REC RPD
.nalyte Results RL Results RL ppbv Result %REC Limits RPD Limit Flag/Qua
Batch B276676 - TO-15 Prep
Duplicate (B276676-DUPI)
Source: 21B0501-02
Prepared & Analyzed: 02/17/21
1,1,2,2-Tetrachloroethane
ND
0.20
ND
1.4
ND
25
Tetrachloroethylene
0.21
0.20
1.4
1.4
0.22
5.61
25
Tetrahydrofuran
ND
2.0
ND
5.9
ND
25
Toluene
6.0
0.20
22
0.75
5.8
2.17
25
1,2,4-Trichlorobenzene
ND
0.20
ND
1.5
ND
25 V-34
1, 1, 1 -Trichloroethane
ND
0.20
ND
1.1
ND
25
1,1,2-Trichloroethane
ND
0.20
ND
1.1
ND
25
Trichloroethylene
0.15
0.20
0.80
1.1
0.13
11.4
25 J
Trichlorofluoromethane (Freon 11)
0.25
0.80
1.4
4.5
0.19
25.5
25 R-04, J
1, 1,2-Trichloro- 1,2,2-trifluoroethane (Freon
ND
0.80
ND
6.1
ND
25
113)
1,2,4-Trimethylbenzene
ND
0.20
ND
0.98
ND
25
1,3,5-Trimethylbenzene
ND
0.20
ND
0.98
ND
25
Vinyl Acetate
ND
4.0
ND
14
ND
25
Vinyl Chloride
ND
0.20
ND
0.51
ND
25
m&p-Xylene
0.54
0.40
2.3
1.7
0.56
3.66
25
o-Xylene
0.43
0.20
1.9
0.87
0.42
0.939
25
Surrogate: 4-Bromofluorobenzene (1) 7.91 8.00 98.8 70-130
Page 33 of 45

Con -test®
A Pace Analytical® Laboratory
39 Spruce Street ` East Longmeadow, MA 01028 ` FAX [phone] " TEL. [phone]
Note: Blank Subtraction is not performed unless otherwise noted
FLAG/QUALIFIER SUMMARY
*
QC result is outside of established limits.
t
Wide recovery limits established for difficult compound.
$
Wide RPD limits established for difficult compound.
#
Data exceeded client recommended or regulatory level
RL
Reporting Limit
MDL
Method Detection Limit
RPD
Relative Percent Difference
LCS
Laboratory Control Sample
LCS Dup
Duplicate Laboratory Control Sample
MS
Matrix Spike Sample
MS Dup
Duplicate Matrix Spike Sample
REC
Recovery
QC
Quality Control
ppbv
Parts per billion volume
EPA
United States Environmental Protection Agency
% REC Percent Recovery
ND Not Detected
N/A Not Applicable
DL Detection Limit
NC Not Calculated
LFB/LCS Lab Fortified Blank/Lab Control Sample
ORP Oxidation -Reduction Potential
wet Not dry weight corrected
% wt Percent weight
Kg Kilogram
g Gram
mg Milligram
µg Microgram
ng Nanogram
L Liter
mL Milliliter
µL Microliter
m3 Cubic Meter
EPH Extractable Petroleum Hydrocarbons
VPH Volatile Petroleum Hydrocarbons
APH Air Petroleum Hydrocarbons
FID Flame Ionization Detector
PID Photo Ionization Detector
Percent recoveries and relative percent differences (RPDs) are determined by the software using values in the
calculation which have not been rounded.
J Detected but below the Reporting Limit (lowest calibration standard); therefore, result is an estimated
concentration (CLP J-Flag).
R-04 Duplicate relative percent difference (RPD) is a less useful indicator of sample precision for sample results that
are <5 times the reporting limit (RL).
V-34 Initial calibration verification (ICV) did not meet method specifications and was biased on the low side for this
compound. Reported result is estimated.
Z-01 Compound fails the method requirement of 70-130% recovery for the LCS. Is classified by the lab as a difficult
compound and passes the in house limits of 50-150%.
Page 34 of 45

Con -test®
A Pace Analytical® Laboratory
39 Spruce Street ` East Longmeadow, MA 01028 ` FAX [phone] " TEL. [phone]
TPH Thomas P. Hnitecki
RLF Rebecca Faust
RAP Raisa A. Petraitis
STATION PDF Management Station
KKM Kerry K. McGee
BRF Brittany R. Fisk
ANALYST
Page 35 of 45

Con -test®
A Pace Analytical® Laboratory
39 Spruce Street ` East Longmeadow, MA 01028 ` FAX [phone] " TEL. [phone]
INTERNAL STANDARD AREAAND RT SUMMARY
EPA TO-15
Internal Standard
Response
RT
Reference
Response
Reference
RT
Area %
Area o/
Limits
RT Diff
RT Diff
Limit
Q
Initial Cal Check (S052381-ICV1) Lab File ID: J2025821.13 Analyzed: 09/14/20 23:22
Bromochloromethane (1)
159501
2.873
155833
2.873
102
60 - 140
0.0000
+/-0.50
1,4-Difluorobenzene(1)
756714
3.475
745760
3.475
101
60-140
0.0000
+/-0.50
Chlorobenzene-d5(1)
686740
5.06
671608
5.057
102
60-140
0.0030
+/-0.50
INTERNAL STANDARD AREAAND RT SUMMARY
EPA TO-15
Internal Standard
Response
RT
Reference
Response
Reference
RT
Area %
Area o/
Limits
RT Diff
RT Diff
Limit
Q
Calibration Check (S057059-CCV1) Lab File ID: J2104804.13 Analyzed: 02/17/21 10:27
Bromochloromethane (1)
164034
2.87
155833
2.873
105
60 - 140
-0.0030
+/-0.50
1,4-Difluorobenzene(1)
707675
3.475
745760
3.475
95
60-140
0.0000
+/-0.50
Chlorobenzene-d5(1)
622967
5.057
671608
5.057
93
60-140
0.0000
+/-0.50
LCS (B276676-BS1 ) Lab File ID: J2104805.13 Analyzed: 02/17/21 10:52
Bromochloromethane (1)
162828
2.87
164034
2.87
99
60 - 140
0.0000
+/-0.50
1,4-Difluorobenzene(1)
703436
3.475
707675
3.475
99
60-140
0.0000
+/-0.50
Chlorobenzene-d5 (1)
631289
5.057
622967
5.057
101
60-140
0.0000
+/-0.50
Blank (B276676-BLK1) Lab File ID: J2104808.13 Analyzed: 02/17/21 12:20
Bromochloromethane (1)
162080
2.86
164034
2.87
99
60 - 140
-0.0100
+/-0.50
1,4-Difluorobenzene(1)
679460
3.465
707675
3.475
96
60-140
-0.0100
+/-0.50
Chlorobenzene-d5(1)
600361
5.053
622967
5.057
96
60-140
-0.0040
+/-0.50
MP-10 (21B0501-01) Lab File ID: J2104811.13 Analyzed: 02/17/21 13:47
Bromochloromethane (1)
160520
2.857
164034
2.87
98
60 - 140
-0.0130
+/-0.50
1,4-Difluorobenzene(1)
679350
3.465
707675
3.475
96
60-140
-0.0100
+/-0.50
Chlorobenzene-d5(1)
594253
5.054
622967
5.057
95
60-140
-0.0030
+/-0.50
MP-11 (21110501-02) Lab File ID: J2104812.13 Analyzed: 02/17/21 14:12
Bromochloromethane (1)
164681
2.863
164034
2.87
100
60 - 140
-0.0070
+/-0.50
1,4-Difluorobenzene(1)
697627
3.468
707675
3.475
99
60-140
-0.0070
+/-0.50
Chlorobenzene-d5(1)
610703
5.054
622967
5.057
98
60-140
-0.0030
+/-0.50
Duplicate (B276676-DUP1) Lab File ID: J2104813.D Analyzed: 02/17/21 14:37
Bromochloromethane (1)
164399
2.86
164034
2.87
100
60 - 140
-0.0100
+/-0.50
1,4-Difluorobenzene(1)
688987
3.465
707675
3.475
97
60-140
-0.0100
+/-0.50
Chlorobenzene-d5(1)
608714
5.054
622967
5.057
98
60-140
-0.0030
+/-0.50
MP-9 (21110501-03) Lab File ID: J2104814.D Analyzed: 02/17/21 15:02
Bromochloromethane (1)
163179
2.86
164034
2.87
99
60 - 140
-0.0100
+/-0.50
1,4-Difluorobenzene(1)
689940
3.468
707675
3.475
97
60-140
-0.0070
+/-0.50
Chlorobenzene-d5(1)
610384
5.053
622967
5.057
98
60-140
-0.0040
+/-0.50
Page 36 of 45

Con -test®
A Pace Analytical® Laboratory
39 Spruce Street ` East Longmeadow, MA 01028 ` FAX [phone] " TEL. [phone]
INTERNAL STANDARD AREAAND RT SUMMARY
EPA TO-15
Internal Standard
Response
RT
Reference
Response
Reference
RT
Area %
Area %
Limits
RT Diff
RT Diff
Limit
Q
MP-7 (21130501-04) Lab File ID: J2104815.D Analyzed: 02/17/21 15:27
Bromochloromethane (1)
166557
2.86
164034
2.87
102
60 - 140
-0.0100
+/-0.50
1,4-Difluorobenzene(1)
699192
3.468
707675
3.475
99
60-140
-0.0070
+/-0.50
Chlorobenzene-d5(1)
617346
5.053
622967
5.057
99
60-140
-0.0040
+/-0.50
MP-Dup (21B0501-05) Lab File ID: J2104816.D Analyzed: 02/17/21 15:52
Bromochloromethane (1)
165991
2.86
164034
2.87
101
60 - 140
-0.0100
+/-0.50
1,4-Difluorobenzene(1)
708978
3.468
707675
3.475
100
60-140
-0.0070
+/-0.50
Chlorobenzene-d5(1)
614183
5.054
622967
5.057
99
60-140
-0.0030
+/-0.50
MP-3 (21110501-06) Lab File ID: J2104817.D Analyzed: 02/17/21 16:16
Bromochloromethane (1)
168709
2.857
164034
2.87
103
60 - 140
-0.0130
+/-0.50
1,4-Difluorobenzene(1)
701012
3.465
707675
3.475
99
60-140
-0.0100
+/-0.50
Chlorobenzene-d5(1)
614653
5.053
622967
5.057
99
60-140
-0.0040
+/-0.50
MP-5 (21110501-07) Lab File ID: J2104818.D Analyzed: 02/17/21 16:41
Bromochloromethane (1)
167027
2.86
164034
2.87
102
60 - 140
-0.0100
+/-0.50
1,4-Difluorobenzene(1)
720160
3.468
707675
3.475
102
60-140
-0.0070
+/-0.50
Chlorobenzene-d5(1)
631227
5.053
622967
5.057
101
60-140
-0.0040
+/-0.50
MP-12 (21110501-08) Lab File ID: J2104819.D Analyzed: 02/17/21 17:06
Bromochloromethane (1)
167707
2.86
164034
2.87
102
60 - 140
-0.0100
+/-0.50
1,4-Difluorobenzene(1)
711778
3.468
707675
3.475
101
60-140
-0.0070
+/-0.50
Chlorobenzene-d5(1)
622752
5.054
622967
5.057
100
60-140
-0.0030
+/-0.50
MP-14 (21110501-09) Lab File ID: J2104820.D Analyzed: 02/17/21 17:31
Bromochloromethane (1)
167912
2.857
164034
2.87
102
60 - 140
-0.0130
+/-0.50
1,4-Difluorobenzene(1)
716571
3.465
707675
3.475
101
60-140
-0.0100
+/-0.50
Chlorobenzene-d5(1)
632032
5.054
622967
5.057
101
60-140
-0.0030
+/-0.50
MP-15 (21110501-10) Lab File ID: J2104821.D Analyzed: 02/17/21 17:55
Bromochloromethane (1)
167412
2.86
164034
2.87
102
60 - 140
-0.0100
+/-0.50
1,4-Difluorobenzene(1)
711701
3.465
707675
3.475
101
60-140
-0.0100
+/-0.50
Chlorobenzene-d5(1)
631977
5.054
622967
5.057
101
60-140
-0.0030
+/-0.50
MP-19 (21B0501-11 ) Lab File ID: J2104822.1) Analyzed: 02/17/21 18:20
Bromochloromethane (1)
165583
2.857
164034
2.87
101
60 - 140
-0.0130
+/-0.50
1,4-Difluorobenzene(1)
716734
3.465
707675
3.475
101
60-140
-0.0100
+/-0.50
Chlorobenzene-d5(1)
619702
5.054
622967
5.057
99
60-140
-0.0030
+/-0.50
MP-Dup 2 (21110501-12) Lab File ID: J2104823.D Analyzed: 02/17/21 18:45
Bromochloromethane (1)
165591
2.857
164034
2.87
101
60 - 140
-0.0130
+/-0.50
1,4-Difluorobenzene(1)
718678
3.465
707675
3.475
102
60-140
-0.0100
+/-0.50
Chlorobenzene-d5(1)
621671
5.054
622967
5.057
100
60-140
-0.0030
+/-0.50
Page 37 of 45

Con -test®
A Pace Analytical® Laboratory
39 Spruce Street' East Longmeadow, MA 01028 ` FAX [phone] " TEL. [phone]
CONTINUING CALIBRATION CHECK
EPA TO-15
5057059-CCV 1
COMPOUND
TYPE
CONC. (ppbv)
RESPONSE FACTOR
% DIFF / DRIFT
STD
CCV
ICAL
CCV
MIN (#)
CCV
LIMIT (#)
Acetone
A
5.00
4.38
0.9103154
0.7966251
-12.5
30
Benzene
A
5.00
4.82
0.6606025
0.6371512
-3.5
30
Benzyl chloride
A
5.00
4.65
0.5965762
0.5543228
-7.1
30
Bromodichloromethane
A
5.00
5.00
0.4537953
0.4541022
0.07
30
Bromoform
A
5.00
4.84
0.6600998
0.6383825
-3.3
30
Bromomethane
A
5.00
4.22
1.001177
0.844264
-15.7
30
1,3-Butadiene
A
5.00
4.15
0.6246902
0.5185071
-17.0
30
2-Butanone(MEK)
A
5.00
4.56
1.30749
1.192289
-8.8
30
Carbon Disulfide
A
5.00
3.77
2.466469
1.858756
-24.6
30
Carbon Tetrachloride
A
5.00
4.69
0.5064752
0.4752916
-6.2
30
Chlorobenzene
A
5.00
4.57
0.7751296
0.7082648
-8.6
30
Chloroethane
A
5.00
4.21
0.5001442
0.4208396
-15.9
30
Chloroform
A
5.00
4.31
2.018779
1.739435
-13.8
30
Chloromethane
A
5.00
4.34
0.6141491
0.5324847
-13.3
30
Cyclohexane
A
5.00
4.72
0.2849344
0.2692061
-5.5
30
Dibromochloromethane
A
5.00
4.66
0.6429615
0.5989505
-6.8
30
1,2-Dibromoethane (EDB)
A
5.00
4.93
0.4841019
0.4772593
-1.4
30
1,2-Dichlorobenzene
A
5.00
4.82
0.6846313
0.6600311
-3.6
30
1,3-Dichlorobenzene
A
5.00
4.88
0.7215992
0.704628
-2.4
30
1,4-Dichlorobenzene
A
5.00
4.87
0.7134896
0.6953922
-2.5
30
Dichlorodifluoromethane (Freon 12)
A
5.00
4.40
2.507091
2.205689
-12.0
30
1,1-Dichloroethane
A
5.00
4.29
1.545303
1.325081
-14.3
30
1,2-Dichloroethane
A
5.00
4.61
1.058805
0.9766951
-7.8
30
1,1-Dichloroethylene
A
5.00
4.31
1.160287
0.999266
-13.9
30
cis-1,2-Dichloroethyl-e
A
5.00
4.56
1.114268
1.015311
-8.9
30
trans-1,2-Dichloroethylene
A
5.00
4.41
1.201908
1.060307
-11.8
30
1,2-Dichloropropane
A
5.00
4.64
0.2231134
0.2072522
-7.1
30
cis- 1,3 -Dichloropropene
A
5.00
4.94
0.3628898
0.3585736
-1.2
30
trans- l,3-Dichloropropene
A
5.00
4.86
0.3055463
0.2970584
-2.8
30
1,2-Dichloro-1,1,2,2-tetrafluoroethane (Freon 1
A
5.00
4.27
2.650055
2.265335
-14.5
30
1,4-Dioxane
A
5.00
4.90
0.139387
0.1367159
-1.9
30
Ethanol
A
5.00
5.53
0.1702165
0.1881366
10.5
30
Ethyl Acetate
A
5.00
4.32
0.2280188
0.1971884
-13.5
30
Ethylbenzene
A
5.00
5.06
1.161395
1.176047
1.3
30
4-Ethyltoluene
A
5.00
5.30
1.262817
1.338036
6.0
30
Heptane
A
5.00
4.96
0.1688454
0.1674011
-0.9
30
Hexachlorobutadiene
4
5.00
4.15
0.6918294
0.5744972
-17.0
30
Hexane
L
5.00
4.78
0.6531603
0.6208469
-4.4
30
Page 38 of 45

Con -test®
A Pace Analytical® Laboratory
39 Spruce Street' East Longmeadow, MA 01028 ` FAX [phone] " TEL. [phone]
CONTINUING CALIBRATION CHECK
EPA TO-15
5057059-CCV 1
COMPOUND
TYPE
CONC. (ppbv)
RESPONSE FACTOR
% DIFF / DRIFT
STD
CCV
ICAL
CCV
MIN (#)
CCV
LIMIT (#)
2-Hexanone (MBK)
A
5.00
5.93
0.280065
0.3322757
18.6
30
Isopropanol
A
5.00
5.20
1.001981
1.042506
4.0
30
Methyl tert-Butyl Ether (MTBE)
A
5.00
4.27
2.512535
2.146482
-14.6
30
Methylene Chloride
A
5.00
4.36
0.6621826
0.5772462
-12.8
30
4-Methyl-2-pentanone (MI13K)
A
5.00
4.94
0.1531114
0.1511067
-1.3
30
Naphthalene
A
5.00
6.40
1.086932
1.390171
27.9
30
Propene
A
5.00
4.05
0.4641749
0.3761659
-19.0
30
Styrene
A
5.00
4.85
0.7056488
0.6841351
-3.0
30
1,1,2,2-Tetrachloroethane
A
5.00
4.67
0.638583
0.5959096
-6.7
30
Tetrachloroethylene
A
5.00
4.88
0.5546794
0.5413243
-2.4
30
Tetrahydroforan
A
5.00
4.56
0.7143044
0.6508699
-8.9
30
Toluene
A
5.00
4.83
0.9345011
0.9034161
-3.3
30
1,2,4-Trichlorobenzene
A
5.00
4.63
0.4260284
0.3942655
-7.5
30
1, 1, 1 -Trichloroethane
A
5.00
4.86
0.4496133
0.4372018
-2.8
30
1,1,2-Trichloroethane
A
5.00
4.71
0.3281373
0.3089705
-5.8
30
Trichloroethylene
A
5.00
4.99
0.2979469
0.2975581
0.1
30
Trichlorofluoromethane(Freon 11)
A
5.00
4.36
2.536841
2.213951
-12.7
30
1,1,2-Trichloro-1,2,2-trifluoroethane (Freon 11
A
5.00
4.06
1.957735
1.587661
-18.9
30
1,2,4-Trimethylbenzene
A
5.00
4.86
1.026744
0.9977415
-2.8
30
1,3,5-Trimethylbenzene
A
5.00
5.20
1.080978
1.124418
4.0
30
Vinyl Acetate
A
5.00
3.88
1.400965
1.085697
-22.5
30
Vinyl Chloride
A
5.00
4.24
0.8554634
0.725908
-15.1
30
m&p-Xylene
A
10.0
10.1
0.9185043
0.9279297
1.0
30
o-Xylene
A
5.00
5.04
0.899786
0.906118
0.7
30
# Column to be used to flag Response Factor and %Diff/Drift values with an asterisk
* Values outside of QC limits
Page 39 of 45

Con -test®
A Pace Analytical® Laboratory
39 Spruce Street ` East Longmeadow, MA 01028 ' FAX [phone] " TEL. [phone]
CERTIFICATIONS
Certified Analyses included in this Report
Analyte
EPA TO-15 in Air
Acetone
Benzene
Benzyl chloride
Bromodichloromethane
Bromoform
Bromomethane
1,3-Butadiene
2-Butanone (MEK)
Carbon Disulfide
Carbon Tetrachloride
Chlorobenzene
Chloroethane
Chloroform
Chloromethane
Cyclohexane
Dibromochloromethane
1,2-Dibromoethane (EDB)
1,2-Dichlorobenzene
1,3-Dichlorobenzene
1,4-Dichlorobenzene
Dichlorodifluoromethane (Freon 12)
1,1-Dichloroethane
1,2-Dichloroethane
1,1-Dichloroethylene
cis-1,2-Dichloroethylene
trans- l,2-Dichloro ethylene
1,2-Dichloropropane
cis- 1,3 -Dichloropropene
trans- 1, 3 -Dichloropropene
1,2-Dichloro-1,1,2,2-tetrafluoroethane (Freon 114)
1,4-Dioxane
Ethanol
Ethyl Acetate
Ethylbenzene
4-Ethyltoluene
Heptane
Hexachlorobutadiene
Hexane
2-Hexanone (MBK)
Isopropanol
Methyl tart -Butyl Ether (MTBE)
Methylene Chloride
4-Methyl-2-pentanone (MIBK)
Naphthalene
Propene
Styrene
1,1,2,2-Tetrachloroethane
Certifications
AIHA,NY,ME,NH
AIHA,FL,NJ,NY,ME,NH, VA
AIHA,FL,NJ,NY,ME,NH, VA
AIHA,NJ,NY,ME,NH,VA
AIHA,NJ,NY,ME,NH,VA
AIHA,FL,NJ,NY,ME,NH
AIHA,NJ,NY,ME,NH,VA
AIHA,FL,NJ,NY,ME,NH, VA
AIHA,NJ,NY,ME,NH, VA
AIHA,FL,NJ,NY,ME,NH, VA
AIHA,FL,NJ,NY,ME,NH, VA
AIHA,FL,NJ,NY,ME,NH, VA
AIHA,FL,NJ,NY,ME,NH, VA
AIHA,FL,NJ,NY,ME,NH, VA
AIHA,NJ,NY,ME,NH,VA
AIHA,NY,ME,NH
AIHA,NJ,NY,ME,NH
AIHA,FL,NJ,NY,ME,NH, VA
AIHA,NJ,NY,ME,NH
AIHA,FL,NJ,NY,ME,NH, VA
AIHA,NY,ME,NH
AIHA,FL,NJ,NY,ME,NH, VA
AIHA,FL,NJ,NY,ME,NH, VA
AIHA,FL,NJ,NY,ME,NH, VA
AIHA,FL,NY,ME,NH,VA
AIHA,NJ,NY,ME,NH,VA
AIHA,FL,NJ,NY,ME,NH, VA
AIHA,FL,NJ,NY,ME,NH, VA
AIHA,NY,ME,NH
AIHA,NJ,NY,ME,NH,VA
AIHA,NJ,NY,ME,NH,VA
AIHA
AIHA
AIHA,FL,NJ,NY,ME,NH, VA
AIHA,NJ
AIHA,NJ,NY,ME,NH,VA
AIHA,NJ,NY,ME,NH,VA
AIHA,FL,NJ,NY,ME,NH, VA
AIHA
AIHA,NY,ME,NH
AIHA,FL,NJ,NY,ME,NH, VA
AIHA,FL,NJ,NY,ME,NH, VA
AIHA,FL,NJ,NY,ME,NH
NY,ME,NH
AIHA
AIHA,FL,NJ,NY,ME,NH, VA
AIHA,FL,NJ,NY,ME,NH,VA
Page 40 of 45

Con -test®
A Pace Analytical® Laboratory
39 Spruce Street ` East Longmeadow, MA 01028 ' FAX [phone] " TEL. [phone]
CERTIFICATIONS
Certified Analyses included in this Report
Analyte
EPA TO-15 in Air
Tetrachloroethylene
Tetrahydrofuran
Toluene
1,2,4-Trichlorobenzene
1, 1, 1 -Trichloroethane
1,1,2-Trichloroethane
Trichloroethylene
Trichlorofluoromethane (Freon 11)
1,1,2-Trichloro-1,2,2-ttifluoroethane (Freon 113)
1,2,4-Trimethylbenzene
1,3,5-Trimethylbenzene
Vinyl Acetate
Vinyl Chloride
m&p-Xylene
o-Xylene
Certifications
AIHA,FL,NJ,NY,ME,NH, VA
AIHA
AIHA,FL,NJ,NY,ME,NH, VA
AIHA,NJ,NY,ME,NH,VA
AIHA,FL,NJ,NY,ME,NH, VA
AIHA,FL,NJ,NY,ME,NH, VA
AIHA,FL,NJ,NY,ME,NH, VA
AIHA,NY,ME,NH
AIHA,NJ,NY,ME,NH, VA
AIHA,NJ,NY,ME,NH
AIHA,NJ,NY,ME,NH
AIHA,FL,NJ,NY,ME,NH, VA
AIHA,FL,NJ,NY,ME,NH, VA
AIHA, FL,NJ,NY,ME,NH, VA
AIHA,FL,NJ,NY,ME,NH, VA
Con -Test, a Pace Environmental Laboratory, operates under the following certifications and accreditation:
Code
Description
Number
Expires
AHIA
AIHA-LAP, LLC - ISO17025:2017
100033
03/l/2022
MA
Massachusetts DEP
M-MA100
06/30/2021
CT
Connecticut Department of Publilc Health
PH-0165
12/31/2022
NY
New York State Department of Health
10899 NELAP
04/1/2021
NH-S
New Hampshire Environmental Lab
2516 NELAP
02/5/2022
RI
Rhode Island Department of Health
LA000112
12/30/2021
NC
North Carolina Div. of Water Quality
652
12/31/2021
NJ
New Jersey DEP
MA007 NELAP
06/30/2021
FL
Florida Department of Health
E871027 NELAP
06/30/2021
VT
Vermont Department of Health Lead Laboratory
LL720741
07/30/2021
ME
State of Maine
MA00100
06/9/2021
VA
Commonwealth of Virginia
460217
12/14/2021
NH-P
New Hampshire Environmental Lab
2557 NELAP
09/6/2021
VT-DW
Vermont Department of Health Drinking Water
VT-255716
06/12/2021
NC-DW
North Carolina Department of Health
25703
07/31/2021
PA
Commonwealth of Pennsylvania DEP
68-05812
06/30/2021
MI
Dept. of Env, Great Lakes, and Energy
9100
09/6/2021
Page 41 of 45

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Page 42 of 45

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Page 43 of 45

TRACK ANOTHER SHIPMENT
783655587770
ADD NICKNAME
Delivered
Monday, February 15, 2021 at 2:23 pm
THIS IS 1 OF 6 PIECES
DELIVERED
Signed for by: MMMM
GET STATUS UPDATES
OBTAIN PROOF OF DELIVERY
FROM
EAST LONGMEADOW, MA US
6 Piece Shipment
TRACKING ID
783655587770 (masit r)
STATUS
Delivered
SHIP DATE
2/11/21
DELIVERY DATE
2/15/21
HANDLING PIECE UNITS
0
SHIPPER CITY, STATE
FAST LONGMEADOW MA
RECIPIENT CITY, STATE
EAST LONGMEADOW MA
TO
East Longmeadow, MA US
Page 44 of 45

I Have Not Confirmed Sample Container
Numbers With Lab Staff Before 4C. 430 tv ima bE =-Awmamo t
Relinquishing Over ALNJ*►t-.'V—r 1C^L- L.sasoR^T©nv
Samples .... .............
Dvc# 278 Reu .6 �(l17
Air Media Sample Receipt Checklist - (Rejection Criteria Listing - Using Acceptance Policy) Any False
Statement will be brought to the attention of the Client - State True or False
Client r=
Received By
How were the samples In Cooler
received? In Box
Were samples within Temperature
Compliance? 2-6°C
Was Custody Seal Intact?
Was COC Relinquished ? "C
Date J� 1 ;:4 t Time I
By Gun #
By Blank #
Are there any loose caps/valves on any samples?
Is COC in inkl Legible? -1-
Did COC Include all Client i Analysis 'V
Pertinent Information? Project 7
Are Sample Labels filled out and legible?
Are there Rushes? i�7
Samples are received within holding time?
Proper Media Used? -T
Are there Trip Blanks? T-
On Ice Ice
Ambient Melted Ice
Actual Temp -
Actual Temp -
Were Samples Tampered with? )A
Does Chain Agree With Samples? "j
1 D's -i
Who was notified?
Sampler Name j
Collection Dates/Times T
Individually Certified Cans?
Is there enough Volume?
Page 45 of 45 1

APPENDIX D
(Field Notes & Vapor Sampling Forms)

Locatioo
Project Client
A
Date Locatioa
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Ie5,11-e I!Aoak�

ECS Southeast, LLP
Environmental Services Division
EE
INDOOR AIR SAMPLING FORM
Sample No. A-1
Project Name: High Point Multi Stadium
Date: 2/8/2021
Project No: 49-5318E
Brownfields Project ID: 21047-17-041
Sampled By: Randy Cavallier
1.0 Notes
a. Start Date (Time):
2/8/2021 (1704)
b. End Date (Time):
2/9/2021 (0104)
C. Canister No.
1307
d. Regulator No./Time
3217/81hr
e. Canister Size:
6.0 L
f. Flow Rate:
0.004 L/min
2.0 Sampling
b. Initial SUMMA Vac:
-28 in. Hg
Final SUMMA Vac:
-7 in. Hg
3.0 Comments

ECS Southeast, LLP
Environmental Services Division
INDOOR AIR SAMPLING FORM
Sample No. A-2/Dup
Project Name: High Point Multi Stadium
Date: 2/8/2021
Project No: 49-5318E
Brownfields Project ID: 21047-17-041
Sampled By: Randy Cavallier
1.0 Notes
a. Start Date (Time):
2/8/2021 (1641)
b. End Date (Time):
2/9/2021 (0041)
C. Canister No.
1976/2197
d. Regulator No./Time
3235/3410 8hr
e. Canister Size:
6.0 L
f. Flow Rate:
0.004 L/min
2.0 Sampling
b. Initial SUMMA Vac:
-30/-29 in. Hg
Final SUMMA Vac: -5/-8 in. Hg
3.0 Comments

ECS Southeast, LLP
Environmental Services Division
EE
INDOOR AIR SAMPLING FORM
Sample No. A-4
Project Name: High Point Multi Stadium
Date: 2/8/2021
Project No: 49-5318E
Brownfields Project ID: 21047-17-041
Sampled By: Randy Cavallier
1.0 Notes
a. Start Date (Time):
2/8/2021 (1707)
b. End Date (Time):
2/9/2021 (0107)
C. Canister No.
1857
d. Regulator No./Time
3125/81hr
e. Canister Size:
6.0 L
f. Flow Rate:
0.004 L/min
2.0 Sampling
b. Initial SUMMA Vac:
-30 in. Hg
Final SUMMA Vac:
-10 in. Hg
3.0 Comments

ECS Southeast, LLP
Environmental Services Division
EE
INDOOR AIR SAMPLING FORM
Sample No. A-5
Project Name: High Point Multi Stadium
Date: 2/8/2021
Project No: 49-5318E
Brownfields Project ID: 21047-17-041
Sampled By: Randy Cavallier
1.0 Notes
a. Start Date (Time):
2/8/2021 (1806)
b. End Date (Time):
2/9/2021 (0206)
C. Canister No.
2458
d. Regulator No./Time
3313/81hr
e. Canister Size:
6.0 L
f. Flow Rate:
0.004 L/min
2.0 Sampling
b. Initial SUMMA Vac:
-29 in. Hg
Final SUMMA Vac:
-8 in. Hg
3.0 Comments

ECS Southeast, LLP
Environmental Services Division
INDOOR AIR SAMPLING FORM
Sample No. A-7
Project Name: High Point Multi Stadium
Date: 2/8/2021
Project No: 49-5318E
Brownfields Project ID: 21047-17-041
Sampled By: Randy Cavallier
1.0 Notes
a. Start Date (Time):
2/8/2021 (1713)
b. End Date (Time):
2/9/2021 (0100)
C. Canister No.
2446
d. Regulator No./Time
3314/81hr
e. Canister Size:
6.0 L
f. Flow Rate:
0.004 L/min
2.0 Sampling
b. Initial SUMMA Vac:
-28 in. Hg
Final SUMMA Vac:
-5 in. Hg
3.0 Comments

ECS Southeast, LLP
Environmental Services Division
EE
INDOOR AIR SAMPLING FORM
Sample No. A-10
Project Name: High Point Multi Stadium
Date: 2/8/2021
Project No: 49-5318E
Brownfields Project ID: 21047-17-041
Sampled By: Randy Cavallier
1.0 Notes
a. Start Date (Time):
2/8/2021 (1725)
b. End Date (Time):
2/9/2021 (0125)
C. Canister No.
1504
d. Regulator No./Time
3174/81hr
e. Canister Size:
6.0 L
f. Flow Rate:
0.004 L/min
2.0 Sampling
b. Initial SUMMA Vac:
-29 in. Hg
Final SUMMA Vac:
-9 in. Hg
3.0 Comments

ECS Southeast, LLP
Environmental Services Division
EE
INDOOR AIR SAMPLING FORM
Sample No. A-15
Project Name: High Point Multi Stadium
Date: 2/8/2021
Project No: 49-5318E
Brownfields Project ID: 21047-17-041
Sampled By: Randy Cavallier
1.0 Notes
a. Start Date (Time):
2/8/2021 (1720)
b. End Date (Time):
2/9/2021 (0120)
C. Canister No.
1474
d. Regulator No./Time
3102/81hr
e. Canister Size:
6.0 L
f. Flow Rate:
0.004 L/min
2.0 Sampling
b. Initial SUMMA Vac:
-30 in. Hg
Final SUMMA Vac:
-9 in. Hg
3.0 Comments

ECS Southeast, LLP
Environmental Services Division
EE
INDOOR AIR SAMPLING FORM
Sample No. A-15
Project Name: High Point Multi Stadium
Date: 2/8/2021
Project No: 49-5318E
Brownfields Project ID: 21047-17-041
Sampled By: Randy Cavallier
1.0 Notes
a. Start Date (Time):
2/8/2021 (1735)
b. End Date (Time):
2/9/2021 (0135)
C. Canister No.
2450
d. Regulator No./Time
3010/81hr
e. Canister Size:
6.0 L
f. Flow Rate:
0.004 L/min
2.0 Sampling
b. Initial SUMMA Vac:
-30 in. Hg
Final SUMMA Vac:
-9 in. Hg
3.0 Comments

ECS Southeast, LLP
Environmental Services Division
EE
INDOOR AIR SAMPLING FORM
Sample No. A-19
Project Name: High Point Multi Stadium
Date: 2/8/2021
Project No: 49-5318E
Brownfields Project ID: 21047-17-041
Sampled By: Randy Cavallier
1.0 Notes
a. Start Date (Time):
2/8/2021 (1740)
b. End Date (Time):
2/9/2021 (0140)
C. Canister No.
2477
d. Regulator No./Time
3294/81hr
e. Canister Size:
6.0 L
f. Flow Rate:
0.004 L/min
2.0 Sampling
b. Initial SUMMA Vac:
-30 in. Hg
Final SUMMA Vac:
-9 in. Hg
3.0 Comments

ECS Southeast, LLP
Environmental Services Division
EE
INDOOR AIR SAMPLING FORM
Sample No. A-22
Project Name: High Point Multi Stadium
Date: 2/8/2021
Project No: 49-5318E
Brownfields Project ID: 21047-17-041
Sampled By: Randy Cavallier
1.0 Notes
a. Start Date (Time):
2/8/2021 (1746)
b. End Date (Time):
2/9/2021 (0146)
C. Canister No.
1965
d. Regulator No./Time
3223/81hr
e. Canister Size:
6.0 L
f. Flow Rate:
0.004 L/min
2.0 Sampling
b. Initial SUMMA Vac:
-29 in. Hg
Final SUMMA Vac:
-8 in. Hg
3.0 Comments

ECS Southeast, LLP
Environmental Services Division
INDOOR AIR SAMPLING FORM
Sample No. A-23/Dup-2
Project Name: High Point Multi Stadium
Date: 2/8/2021
Project No: 49-5318E
Brownfields Project ID: 21047-17-041
Sampled By: Randy Cavallier
1.0 Notes
a.
Start Date (Time):
2/8/2021 (1757)
b.
End Date (Time):
2/9/2021 (0157)
C.
Canister No.
1973/2216
d.
Regulator No./Time
3084/3176 8hr
e.
Canister Size:
6.0 L
f.
Flow Rate:
0.004 L/min
2.0 Sampling
b.
Initial SUMMA Vac:
-29/-25 in. Hg
Final SUMMA Vac: -12/-6 in. Hg
3.0 Comments

ECS Southeast, LLP
Environmental Services Division
EE
INDOOR AIR SAMPLING FORM
Sample No. AA
Project Name: High Point Multi Stadium
Date: 2/8/2021
Project No: 49-5318E
Brownfields Project ID: 21047-17-041
Sampled By: Randy Cavallier
1.0 Notes
a. Start Date (Time):
2/8/2021 (1802)
b. End Date (Time):
2/9/2021 (0150)
C. Canister No.
1990
d. Regulator No./Time
3045/81hr
e. Canister Size:
6.0 L
f. Flow Rate:
0.004 L/min
2.0 Sampling
b. Initial SUMMA Vac:
-29 in. Hg
Final SUMMA Vac:
-5 in. Hg
3.0 Comments

ECS Southeast, LLP
Environmental Services Division
SOIL GAS SAMPLING FORM
Sample No. MP-7
Project Name: High Point Multi Stadium
Date: 2/9/2021
Project No: 49-5318E
Brownfields Project ID: 21047-17-041
Sampled By: Randy Cavallier
1.0 Notes
a. Date Installed: 3/20/19
6" Concrete Slab
b. Canister No. 2346
Underlying Material: Gravel
C. Regulator No. 4280
d. Canister Size: 1.0 L
e. Tubing Size: 0.25 in
f. Flow Rate: 0.2 L/min
2.0 Manometer Vacuum Test
a. Initial Vacuum Pressure: -0.14 in. Hg
b. Final Vacuum Pressure: -0.14 in. Hg
3.0 Helium Leak Detection Test (If Not Using Isopropanol)
a. Start and End Time of Helium Test: 16:15 16:25
C. Shroud: 26000 PPM
b. Helium Detection: 0 % or ppm
d. Pass or Fail: Pass
4.0 Sampling
a. Start and End Time of Sampling 13:51 13:56
b. Initial SUMMA Vac: -28 p
Final SUMMA Vac: -5 in. Hg
5.0 Comments
Visitor's Locker Room Hallway

ECS Southeast, LLP
Environmental Services Division
SOIL GAS SAMPLING FORM
Sample No. MP-9
Project Name: High Point Multi Stadium
Date: 2/9/2021
Project No: 49-5318E
Brownfields Project ID: 21047-17-041
Sampled By: Randy Cavallier
1.0 Notes
a. Date Installed: 3/20/19
6" Concrete Slab
b. Canister No. 2129
Underlying Material: Gravel
C. Regulator No. 4288
d. Canister Size: 1.0 L
e. Tubing Size: 0.25 in
f. Flow Rate: 0.2 L/min
2.0 Manometer Vacuum Test
a. Initial Vacuum Pressure: -0.06 in. Hg
b. Final Vacuum Pressure: -0.06 in. Hg
3.0 Helium Leak Detection Test (If Not Using Isopropanol)
a. Start and End Time of Helium Test: 12:20 12:30
c. Shroud: 30000 PPM
b. Helium Detection: 0 % or ppm
d. Pass or Fail: Pass
4.0 Sampling
a. Start and End Time of Sampling 12:32 12:37
b. Initial SUMMA Vac: -28 in. Hg
Final SUMMA Vac: -5 in. Hg
5.0 Comments
Commissar

ECS Southeast, LLP
Environmental Services Division
SOIL GAS SAMPLING FORM
Sample No. MP-11 / MP-Dup
Project Name: High Point Multi Stadium
Date: 2/9/2021
Project No: 49-5318E
Brownfields Project ID: 21047-17-041
Sampled By: Randy Cavallier
1.0
Notes
a.
Date Installed: 3/20/19
6" Concrete Slab
b.
Canister No. 2257 / 2541
Underlying Material: gravel
C.
Regulator No. 4102 / 4200
d.
Canister Size: 1.0 L
e.
Tubing Size: 0.25 in
f.
Flow Rate: 0.2 L/min
2.0
Manometer Vacuum Test
a.
Initial Vacuum Pressure: -0.10 in. Hg
b.
Final Vacuum Pressure: -0.10 in. Hg
3.0
Helium Leak Detection Test (If Not Using Isopropanol)
a.
Start and End Time of Helium Test: 11:50 12:00
c. Shroud: 47000 PPM
b.
Helium Detection: 0 % or ppm
d. Pass or Fail: Pass
4.0
Sampling (Both MP-10 and MP-Dup)
a.
Start and End Time of Sampling 12:01 12:06
b.
Initial SUMMA Vac: -28-28 in. Hg
Final SUMMA Vac: -5-5 in. Hg
5.0
Comments
Water Plant

ECS Southeast, LLP
Environmental Services Division
SOIL GAS SAMPLING FORM
Sample No. MP-10
Project Name: High Point Multi Stadium
I Date: 2/9/2021
Project No: 49-5318E
Brownfields Project ID: 21047-17-041
Sampled By: Randy Cavallier
1.0 Notes
a. Date Installed: 3/20/19
6" Concrete Slab
b. Canister No. 2299
Underlying Material: Gravel
C. Regulator No. 4093
d. Canister Size: 1.0 L
e. Tubing Size: 0.25 in
f. Flow Rate: 0.2 L/min
2.0 Manometer Vacuum Test
a. Initial Vacuum Pressure: -0.12 in. Hg
b. Final Vacuum Pressure: -0.12 in. Hg
3.0 Helium Leak Detection Test (If Not Using Isopropanol)
a. Start and End Time of Helium Test: 11:20 11:28
c. Shroud: 16000 PPM
b. Helium Detection: 50 ppm
d. Pass or Fail: Pass
4.0 Sampling
a. Start and End Time of Sampling 11:29 11:34
b. Initial SUMMA Vac: -26 in. Hg
Final SUMMA Vac: -5 in. Hg
5.0 Comments
Electrical Room

ECS Southeast, LLP
Environmental Services Division
SOIL GAS SAMPLING FORM
Sample No. MP-5
Project Name: High Point Multi Stadium
Date: 2/10/2021
Project No: 49-5318E
Brownfields Project ID: 21047-17-041
Sampled By: Randy Cavallier
1.0 Notes
a. Date Installed: 3/20/19
6" Concrete Slab
b. Canister No. 2340
Underlying Material: Gravel
C. Regulator No. 4202
d. Canister Size: 1.0 L
e. Tubing Size: 0.25 in
f. Flow Rate: 0.2 L/min
2.0 Manometer Vacuum Test
a. Initial Vacuum Pressure: -0.14 in. Hg
b. Final Vacuum Pressure: -0.14 in. Hg
3.0 Helium Leak Detection Test (If Not Using Isopropanol)
a. Start and End Time of Helium Test: 10:32 10:40
c. Shroud: 30000 PPM
b. Helium Detection: 1950 ppm
d. Pass or Fail: Pass
4.0 Sampling
a. Start and End Time of Sampling 10:42 10:47
b. Initial SUMMA Vac: -29 in. Hg
Final SUMMA Vac: -5 in. Hg
5.0 Comments
Main Office Closet

ECS Southeast, LLP
Environmental Services Division
SOIL GAS SAMPLING FORM
Sample No. MP-12
Project Name: High Point Multi Stadium
I Date: 2/10/2021
Project No: 49-5318E
Brownfields Project ID: 21047-17-041
Sampled By: Randy Cavallier
1.0 Notes
a. Date Installed: 3/20/19
6" Concrete Slab
b. Canister No. 2536
Underlying Material: Gravel
C. Regulator No. 4074
d. Canister Size: 1.0 L
e. Tubing Size: 0.25 in
f. Flow Rate: 0.2 L/min
2.0 Manometer Vacuum Test
a. Initial Vacuum Pressure: -0.14 in. Hg
b. Final Vacuum Pressure: -0.14 in. Hg
3.0 Helium Leak Detection Test (If Not Using Isopropanol)
a. Start and End Time of Helium Test: 11:15 11:23
C. Shroud: 23000 PPM
b. Helium Detection: 0 % or ppm
d. Pass or Fail: Pass
4.0 Sampling
a. Start and End Time of Sampling 11:25 11:30
b. Initial SUMMA Vac: -28 in. Hg
Final SUMMA Vac: -5 in. Hg
5.0 Comments
Presidential Suite

ECS Southeast, LLP
Environmental Services Division
SOIL GAS SAMPLING FORM
Sample No. MP-3
Project Name: High Point Multi Stadium
Date: 2/10/2021
Project No: 49-5318E
Brownfields Project ID: 21047-17-041
Sampled By: Randy Cavallier
1.0 Notes
a. Date Installed: 3/20/19
6" Concrete Slab
b. Canister No. 2092
Underlying Material: Gravel
C. Regulator No. 4301
d. Canister Size: 1.0 L
e. Tubing Size: 0.25 in
f. Flow Rate: 0.2 L/min
2.0 Manometer Vacuum Test
a. Initial Vacuum Pressure: -0.14 in. Hg
b. Final Vacuum Pressure: -0.14 in. Hg
3.0 Helium Leak Detection Test (If Not Using Isopropanol)
a. Start and End Time of Helium Test: 10:00 10:10
c. Shroud: 30000 PPM
b. Helium Detection: 2400 ppm
d. Pass or Fail: Pass
4.0 Sampling
a. Start and End Time of Sampling 10:11 10:16
b. Initial SUMMA Vac: -28 in. Hg
Final SUMMA Vac: -5 in. Hg
5.0 Comments
Coaches Office

ECS Southeast, LLP
Environmental Services Division
SOIL GAS SAMPLING FORM
Sample No. MP-14
Project Name: High Point Multi Stadium
I Date: 2/10/2021
Project No: 49-5318E
Brownfields Project ID: 21047-17-041
Sampled By: Randy Cavallier
1.0 Notes
a. Date Installed: 3/20/19
6" Concrete Slab
b. Canister No. 2308
Underlying Material: Gravel
C. Regulator No. 4042
d. Canister Size: 1.0 L
e. Tubing Size: 0.25 in
f. Flow Rate: 0.2 L/min
2.0 Manometer Vacuum Test
a. Initial Vacuum Pressure: -0.16 in. Hg
b. Final Vacuum Pressure: -0.16 in. Hg
3.0 Helium Leak Detection Test (If Not Using Isopropanol)
a. Start and End Time of Helium Test: 11:45 11:55
C. Shroud: 29000 PPM
b. Helium Detection: 0 % or ppm
d. Pass or Fail: Pass
4.0 Sampling
a. Start and End Time of Sampling 11:58 12:04
b. Initial SUMMA Vac: -30 in. Hg
Final SUMMA Vac: -6 in. Hg
5.0 Comments
Store Room

ECS Southeast, LLP
Environmental Services Division
SOIL GAS SAMPLING FORM
Sample No. MP-15
Project Name: High Point Multi Stadium
I Date: 2/10/2021
Project No: 49-5318E
Brownfields Project ID: 21047-17-041
Sampled By: Randy Cavallier
1.0 Notes
a. Date Installed: 3/20/19
6" Concrete Slab
b. Canister No. 2539
Underlying Material: Gravel
C. Regulator No. 4300
d. Canister Size: 1.0 L
e. Tubing Size: 0.25 in
f. Flow Rate: 0.2 L/min
2.0 Manometer Vacuum Test
a. Initial Vacuum Pressure: -0.14 in. Hg
b. Final Vacuum Pressure: -0.14 in. Hg
3.0 Helium Leak Detection Test (If Not Using Isopropanol)
a. Start and End Time of Helium Test: 12:08 12:18
c. Shroud: 37000 PPM
b. Helium Detection: 0 % or ppm
d. Pass or Fail: Pass
4.0 Sampling
a. Start and End Time of Sampling 12:20 12:25
b. Initial SUMMA Vac: -29 in. Hg
Final SUMMA Vac: -5 in. Hg
5.0 Comments
Media Control Room

ECS Southeast, LLP
Environmental Services Division
SOIL GAS SAMPLING FORM
Sample No. MP-19/Dup-2
Project Name: High Point Multi Stadium
Date: 2/10/2021
Project No: 49-5318E
Brownfields Project ID: 21047-17-041
Sampled By: Randy Cavallier
1.0 Notes
a. Date Installed: 3/20/19
b. Canister No. 2107 2240
6" Concrete Slab
C. Regulator No. 4089 4187
Underlying Material: Gravel
d. Canister Size: 1.0 L
e. Tubing Size: 0.25 in
f. Flow Rate: 0.2 L/min
2.0 Manometer Vacuum Test
a. Initial Vacuum Pressure: -0.04 in. Hg
b. Final Vacuum Pressure: -0.04 in. Hg
3.0 Helium Leak Detection Test (If Not Using Isopropanol)
a. Start and End Time of Helium Test: 14:00 14:08
c. Shroud: 23000 PPM
b. Helium Detection: 25 ppm
d. Pass or Fail: Pass
4.0 Sampling
a. Start and End Time of Sampling 14:10 14:29
b. Initial SUMMA Vac: -28-28 in. Hg
Final SUMMA Vac: -5-6 in. Hg
5.0 Comments
Ticket Booth Restroom

APPENDIX E
(NCDEQ 2021 Risk Calculator)

Risk for Individual Pathways
Ly
Version Date: January 2021
Basis: November 2020 EPA RSL Table
Site ID: 21047-17-041
Exposure Unit ID: A-1
DIRECT CONTACT SOIL AND WATER CALCULATORS
Receptor
Pathway
Carciinn kenic
Hazard Index
Risk exceeded?
Resident
Soil
NC
NC
NC
Groundwater Use*
NC
NC
NC
Non -Residential Worker
Soil
NC
NC
NC
Groundwater Use*
NC
NC
NC
Construction Worker
Soil
NC
NC
NC
Recreator/Trespasser
Soil
NC
NC
NC
Surface Water*
NC
NC
NC
VAPOR INTRUSION CALCULATORS
Receptor
Pathway
CarcinogenicHazard
Risk
Index
Risk exceeded?
Resident
Groundwater to Indoor Air
NC
NC
NC
Soil Gas to Indoor Air
NC
NC
NC
Indoor Air
2.6E-06
3.8E-01
NO
Non -Residential Worker
Groundwater to Indoor Air
NC
NC
NC
Soil Gas to Indoor Air
NC
NC
NC
Indoor Air
5.2E-07
9.0E-02
NO
CONTAMINANT MIGRATION CALCULATORS
Pathway
Source
Target Receptor Concentrations Exceeded?
Groundwater
Source Soil
Exceedence of 21, at Receptor?
NC
Source Groundwater
Exceedence of 21, at Receptor?
NC
Surface Water
Source Soil
Exceedence of 213 at Receptor?
NC
Source Groundwater
Exceedence of 213 at Receptor?
NC
Notes:
1. If lead concentrations were entered in the exposure point concentration tables, see the individual calculator sheets for lead
concentrations in comparison to screening levels. Note that lead is not included in cumulative risk calculations.
2. * = If concentrations in groundwater exceed the NC 2L Standards or IMAC, or concentrations in surface water exceed the
NC 213 Standards, appropriate remediation and/or institutional control measures will be necessary to be eligible for a risk -based
closure.
3. NM = Not Modeled
4. NC = Pathway not calculated
North Carolina DEQ Risk Calculator

Risk for Individual Pathways
Ly
Version Date: January 2021
Basis: November 2020 EPA RSL Table
Site ID: 21047-17-041
Exposure Unit ID: A-2
DIRECT CONTACT SOIL AND WATER CALCULATORS
Receptor
Pathway
Carciinn kenic
Hazard Index
Risk exceeded?
Resident
Soil
NC
NC
NC
Groundwater Use*
NC
NC
NC
Non -Residential Worker
Soil
NC
NC
NC
Groundwater Use*
NC
NC
NC
Construction Worker
Soil
NC
NC
NC
Recreator/Trespasser
Soil
NC
NC
NC
Surface Water*
NC
NC
NC
VAPOR INTRUSION CALCULATORS
Receptor
Pathway
CarcinogenicHazard
Risk
Index
Risk exceeded?
Resident
Groundwater to Indoor Air
NC
NC
NC
Soil Gas to Indoor Air
NC
NC
NC
Indoor Air
2.3E-06
2.2E-01
NO
Non -Residential Worker
Groundwater to Indoor Air
NC
NC
NC
Soil Gas to Indoor Air
NC
NC
NC
Indoor Air
4.8E-07
5.3E-02
NO
CONTAMINANT MIGRATION CALCULATORS
Pathway
Source
Target Receptor Concentrations Exceeded?
Groundwater
Source Soil
Exceedence of 21, at Receptor?
NC
Source Groundwater
Exceedence of 21, at Receptor?
NC
Surface Water
Source Soil
Exceedence of 213 at Receptor?
NC
Source Groundwater
Exceedence of 213 at Receptor?
NC
Notes:
1. If lead concentrations were entered in the exposure point concentration tables, see the individual calculator sheets for lead
concentrations in comparison to screening levels. Note that lead is not included in cumulative risk calculations.
2. * = If concentrations in groundwater exceed the NC 2L Standards or IMAC, or concentrations in surface water exceed the
NC 213 Standards, appropriate remediation and/or institutional control measures will be necessary to be eligible for a risk -based
closure.
3. NM = Not Modeled
4. NC = Pathway not calculated
North Carolina DEQ Risk Calculator

Risk for Individual Pathways
Ly
Version Date: January 2021
Basis: November 2020 EPA RSL Table
Site ID: 21047-17-041
Exposure Unit ID: A-4
DIRECT CONTACT SOIL AND WATER CALCULATORS
Receptor
Pathway
Carciinn kenic
Hazard Index
Risk exceeded?
Resident
Soil
NC
NC
NC
Groundwater Use*
NC
NC
NC
Non -Residential Worker
Soil
NC
NC
NC
Groundwater Use*
NC
NC
NC
Construction Worker
Soil
NC
NC
NC
Recreator/Trespasser
Soil
NC
NC
NC
Surface Water*
NC
NC
NC
VAPOR INTRUSION CALCULATORS
Receptor
Pathway
CarcinogenicHazard
Risk
Index
Risk exceeded?
Resident
Groundwater to Indoor Air
NC
NC
NC
Soil Gas to Indoor Air
NC
NC
NC
Indoor Air
2.6E-06
2.7E-01
NO
Non -Residential Worker
Groundwater to Indoor Air
NC
NC
NC
Soil Gas to Indoor Air
NC
NC
NC
Indoor Air
5.3E-07
6.4E-02
NO
CONTAMINANT MIGRATION CALCULATORS
Pathway
Source
Target Receptor Concentrations Exceeded?
Groundwater
Source Soil
Exceedence of 21, at Receptor?
NC
Source Groundwater
Exceedence of 21, at Receptor?
NC
Surface Water
Source Soil
Exceedence of 213 at Receptor?
NC
Source Groundwater
Exceedence of 213 at Receptor?
NC
Notes:
1. If lead concentrations were entered in the exposure point concentration tables, see the individual calculator sheets for lead
concentrations in comparison to screening levels. Note that lead is not included in cumulative risk calculations.
2. * = If concentrations in groundwater exceed the NC 2L Standards or IMAC, or concentrations in surface water exceed the
NC 213 Standards, appropriate remediation and/or institutional control measures will be necessary to be eligible for a risk -based
closure.
3. NM = Not Modeled
4. NC = Pathway not calculated
North Carolina DEQ Risk Calculator

Risk for Individual Pathways
Ly
Version Date: January 2021
Basis: November 2020 EPA RSL Table
Site ID: 21047-17-041
Exposure Unit ID: A-5
DIRECT CONTACT SOIL AND WATER CALCULATORS
Receptor
Pathway
Carciinn kenic
Hazard Index
Risk exceeded?
Resident
Soil
NC
NC
NC
Groundwater Use*
NC
NC
NC
Non -Residential Worker
Soil
NC
NC
NC
Groundwater Use*
NC
NC
NC
Construction Worker
Soil
NC
NC
NC
Recreator/Trespasser
Soil
NC
NC
NC
Surface Water*
NC
NC
NC
VAPOR INTRUSION CALCULATORS
Receptor
Pathway
CarcinogenicHazard
Risk
Index
Risk exceeded?
Resident
Groundwater to Indoor Air
NC
NC
NC
Soil Gas to Indoor Air
NC
NC
NC
Indoor Air
4.0E-06
1.5E-01
NO
Non -Residential Worker
Groundwater to Indoor Air
NC
NC
NC
Soil Gas to Indoor Air
NC
NC
NC
Indoor Air
9.1E-07
3.6E-02
NO
CONTAMINANT MIGRATION CALCULATORS
Pathway
Source
Target Receptor Concentrations Exceeded?
Groundwater
Source Soil
Exceedence of 21, at Receptor?
NC
Source Groundwater
Exceedence of 21, at Receptor?
NC
Surface Water
Source Soil
Exceedence of 213 at Receptor?
NC
Source Groundwater
Exceedence of 213 at Receptor?
NC
Notes:
1. If lead concentrations were entered in the exposure point concentration tables, see the individual calculator sheets for lead
concentrations in comparison to screening levels. Note that lead is not included in cumulative risk calculations.
2. * = If concentrations in groundwater exceed the NC 2L Standards or IMAC, or concentrations in surface water exceed the
NC 213 Standards, appropriate remediation and/or institutional control measures will be necessary to be eligible for a risk -based
closure.
3. NM = Not Modeled
4. NC = Pathway not calculated
North Carolina DEQ Risk Calculator

Risk for Individual Pathways
Ly
Version Date: January 2021
Basis: November 2020 EPA RSL Table
Site ID: 21047-17-041
Exposure Unit ID: A-7
DIRECT CONTACT SOIL AND WATER CALCULATORS
Receptor
Pathway
Carciinn kenic
Hazard Index
Risk exceeded?
Resident
Soil
NC
NC
NC
Groundwater Use*
NC
NC
NC
Non -Residential Worker
Soil
NC
NC
NC
Groundwater Use*
NC
NC
NC
Construction Worker
Soil
NC
NC
NC
Recreator/Trespasser
Soil
NC
NC
NC
Surface Water*
NC
NC
NC
VAPOR INTRUSION CALCULATORS
Receptor
Pathway
CarcinogenicHazard
Risk
Index
Risk exceeded?
Resident
Groundwater to Indoor Air
NC
NC
NC
Soil Gas to Indoor Air
NC
NC
NC
Indoor Air
4.8E-06
3.5E-01
NO
Non -Residential Worker
Groundwater to Indoor Air
NC
NC
NC
Soil Gas to Indoor Air
NC
NC
NC
Indoor Air
1.0E-06
8.2E-02
NO
CONTAMINANT MIGRATION CALCULATORS
Pathway
Source
Target Receptor Concentrations Exceeded?
Groundwater
Source Soil
Exceedence of 21, at Receptor?
NC
Source Groundwater
Exceedence of 21, at Receptor?
NC
Surface Water
Source Soil
Exceedence of 213 at Receptor?
NC
Source Groundwater
Exceedence of 213 at Receptor?
NC
Notes:
1. If lead concentrations were entered in the exposure point concentration tables, see the individual calculator sheets for lead
concentrations in comparison to screening levels. Note that lead is not included in cumulative risk calculations.
2. * = If concentrations in groundwater exceed the NC 2L Standards or IMAC, or concentrations in surface water exceed the
NC 213 Standards, appropriate remediation and/or institutional control measures will be necessary to be eligible for a risk -based
closure.
3. NM = Not Modeled
4. NC = Pathway not calculated
North Carolina DEQ Risk Calculator

Risk for Individual Pathways
Ly
Version Date: January 2021
Basis: November 2020 EPA RSL Table
Site ID: 21047-17-041
Exposure Unit ID: A-10
DIRECT CONTACT SOIL AND WATER CALCULATORS
Receptor
Pathway
Carciinn kenic
Hazard Index
Risk exceeded?
Resident
Soil
NC
NC
NC
Groundwater Use*
NC
NC
NC
Non -Residential Worker
Soil
NC
NC
NC
Groundwater Use*
NC
NC
NC
Construction Worker
Soil
NC
NC
NC
Recreator/Trespasser
Soil
NC
NC
NC
Surface Water*
NC
NC
NC
VAPOR INTRUSION CALCULATORS
Receptor
Pathway
CarcinogenicHazard
Risk
Index
Risk exceeded?
Resident
Groundwater to Indoor Air
NC
NC
NC
Soil Gas to Indoor Air
NC
NC
NC
Indoor Air
2.5E-06
2.5E-01
NO
Non -Residential Worker
Groundwater to Indoor Air
NC
NC
NC
Soil Gas to Indoor Air
NC
NC
NC
Indoor Air
5.2E-07
5.9E-02
NO
CONTAMINANT MIGRATION CALCULATORS
Pathway
Source
Target Receptor Concentrations Exceeded?
Groundwater
Source Soil
Exceedence of 21, at Receptor?
NC
Source Groundwater
Exceedence of 21, at Receptor?
NC
Surface Water
Source Soil
Exceedence of 213 at Receptor?
NC
Source Groundwater
Exceedence of 213 at Receptor?
NC
Notes:
1. If lead concentrations were entered in the exposure point concentration tables, see the individual calculator sheets for lead
concentrations in comparison to screening levels. Note that lead is not included in cumulative risk calculations.
2. * = If concentrations in groundwater exceed the NC 2L Standards or IMAC, or concentrations in surface water exceed the
NC 213 Standards, appropriate remediation and/or institutional control measures will be necessary to be eligible for a risk -based
closure.
3. NM = Not Modeled
4. NC = Pathway not calculated
North Carolina DEQ Risk Calculator

Risk for Individual Pathways
Ly
Version Date: January 2021
Basis: November 2020 EPA RSL Table
Site ID: 21047-17-041
Exposure Unit ID: A-15
DIRECT CONTACT SOIL AND WATER CALCULATORS
Receptor
Pathway
Carciinn kenic
Hazard Index
Risk exceeded?
Resident
Soil
NC
NC
NC
Groundwater Use*
NC
NC
NC
Non -Residential Worker
Soil
NC
NC
NC
Groundwater Use*
NC
NC
NC
Construction Worker
Soil
NC
NC
NC
Recreator/Trespasser
Soil
NC
NC
NC
Surface Water*
NC
NC
NC
VAPOR INTRUSION CALCULATORS
Receptor
Pathway
CarcinogenicHazard
Risk
Index
Risk exceeded?
Resident
Groundwater to Indoor Air
NC
NC
NC
Soil Gas to Indoor Air
NC
NC
NC
Indoor Air
1.9E-06
9.7E-02
NO
Non -Residential Worker
Groundwater to Indoor Air
NC
NC
NC
Soil Gas to Indoor Air
NC
NC
NC
Indoor Air
4.2E-07
2.3E-02
NO
CONTAMINANT MIGRATION CALCULATORS
Pathway
Source
Target Receptor Concentrations Exceeded?
Groundwater
Source Soil
Exceedence of 21, at Receptor?
NC
Source Groundwater
Exceedence of 21, at Receptor?
NC
Surface Water
Source Soil
Exceedence of 213 at Receptor?
NC
Source Groundwater
Exceedence of 213 at Receptor?
NC
Notes:
1. If lead concentrations were entered in the exposure point concentration tables, see the individual calculator sheets for lead
concentrations in comparison to screening levels. Note that lead is not included in cumulative risk calculations.
2. * = If concentrations in groundwater exceed the NC 2L Standards or IMAC, or concentrations in surface water exceed the
NC 213 Standards, appropriate remediation and/or institutional control measures will be necessary to be eligible for a risk -based
closure.
3. NM = Not Modeled
4. NC = Pathway not calculated
North Carolina DEQ Risk Calculator

Risk for Individual Pathways
Ly
Version Date: January 2021
Basis: November 2020 EPA RSL Table
Site ID: 21047-17-041
Exposure Unit ID: A-17
DIRECT CONTACT SOIL AND WATER CALCULATORS
Receptor
Pathway
Carciinn kenic
Hazard Index
Risk exceeded?
Resident
Soil
NC
NC
NC
Groundwater Use*
NC
NC
NC
Non -Residential Worker
Soil
NC
NC
NC
Groundwater Use*
NC
NC
NC
Construction Worker
Soil
NC
NC
NC
Recreator/Trespasser
Soil
NC
NC
NC
Surface Water*
NC
NC
NC
VAPOR INTRUSION CALCULATORS
Receptor
Pathway
CarcinogenicHazard
Risk
Index
Risk exceeded?
Resident
Groundwater to Indoor Air
NC
NC
NC
Soil Gas to Indoor Air
NC
NC
NC
Indoor Air
2.6E-06
2.5E-01
NO
Non -Residential Worker
Groundwater to Indoor Air
NC
NC
NC
Soil Gas to Indoor Air
NC
NC
NC
Indoor Air
5.4E-07
6.1E-02
NO
CONTAMINANT MIGRATION CALCULATORS
Pathway
Source
Target Receptor Concentrations Exceeded?
Groundwater
Source Soil
Exceedence of 21, at Receptor?
NC
Source Groundwater
Exceedence of 21, at Receptor?
NC
Surface Water
Source Soil
Exceedence of 213 at Receptor?
NC
Source Groundwater
Exceedence of 213 at Receptor?
NC
Notes:
1. If lead concentrations were entered in the exposure point concentration tables, see the individual calculator sheets for lead
concentrations in comparison to screening levels. Note that lead is not included in cumulative risk calculations.
2. * = If concentrations in groundwater exceed the NC 2L Standards or IMAC, or concentrations in surface water exceed the
NC 213 Standards, appropriate remediation and/or institutional control measures will be necessary to be eligible for a risk -based
closure.
3. NM = Not Modeled
4. NC = Pathway not calculated
North Carolina DEQ Risk Calculator

Risk for Individual Pathways
Ly
Version Date: January 2021
Basis: November 2020 EPA RSL Table
Site ID: 21047-17-041
Exposure Unit ID: A-19
DIRECT CONTACT SOIL AND WATER CALCULATORS
Receptor
Pathway
Carciinn kenic
Hazard Index
Risk exceeded?
Resident
Soil
NC
NC
NC
Groundwater Use*
NC
NC
NC
Non -Residential Worker
Soil
NC
NC
NC
Groundwater Use*
NC
NC
NC
Construction Worker
Soil
NC
NC
NC
Recreator/Trespasser
Soil
NC
NC
NC
Surface Water*
NC
NC
NC
VAPOR INTRUSION CALCULATORS
Receptor
Pathway
CarcinogenicHazard
Risk
Index
Risk exceeded?
Resident
Groundwater to Indoor Air
NC
NC
NC
Soil Gas to Indoor Air
NC
NC
NC
Indoor Air
2.6E-06
2.6E-01
NO
Non -Residential Worker
Groundwater to Indoor Air
NC
NC
NC
Soil Gas to Indoor Air
NC
NC
NC
Indoor Air
5.3E-07
6.1E-02
NO
CONTAMINANT MIGRATION CALCULATORS
Pathway
Source
Target Receptor Concentrations Exceeded?
Groundwater
Source Soil
Exceedence of 21, at Receptor?
NC
Source Groundwater
Exceedence of 21, at Receptor?
NC
Surface Water
Source Soil
Exceedence of 213 at Receptor?
NC
Source Groundwater
Exceedence of 213 at Receptor?
NC
Notes:
1. If lead concentrations were entered in the exposure point concentration tables, see the individual calculator sheets for lead
concentrations in comparison to screening levels. Note that lead is not included in cumulative risk calculations.
2. * = If concentrations in groundwater exceed the NC 2L Standards or IMAC, or concentrations in surface water exceed the
NC 213 Standards, appropriate remediation and/or institutional control measures will be necessary to be eligible for a risk -based
closure.
3. NM = Not Modeled
4. NC = Pathway not calculated
North Carolina DEQ Risk Calculator

Risk for Individual Pathways
Ly
Version Date: January 2021
Basis: November 2020 EPA RSL Table
Site ID: 21047-17-041
Exposure Unit ID: A-22
DIRECT CONTACT SOIL AND WATER CALCULATORS
Receptor
Pathway
Carciinn kenic
Hazard Index
Risk exceeded?
Resident
Soil
NC
NC
NC
Groundwater Use*
NC
NC
NC
Non -Residential Worker
Soil
NC
NC
NC
Groundwater Use*
NC
NC
NC
Construction Worker
Soil
NC
NC
NC
Recreator/Trespasser
Soil
NC
NC
NC
Surface Water*
NC
NC
NC
VAPOR INTRUSION CALCULATORS
Receptor
Pathway
CarcinogenicHazard
Risk
Index
Risk exceeded?
Resident
Groundwater to Indoor Air
NC
NC
NC
Soil Gas to Indoor Air
NC
NC
NC
Indoor Air
2.5E-06
2.4E-01
NO
Non -Residential Worker
Groundwater to Indoor Air
NC
NC
NC
Soil Gas to Indoor Air
NC
NC
NC
Indoor Air
5.1E-07
5.7E-02
NO
CONTAMINANT MIGRATION CALCULATORS
Pathway
Source
Target Receptor Concentrations Exceeded?
Groundwater
Source Soil
Exceedence of 21, at Receptor?
NC
Source Groundwater
Exceedence of 21, at Receptor?
NC
Surface Water
Source Soil
Exceedence of 213 at Receptor?
NC
Source Groundwater
Exceedence of 213 at Receptor?
NC
Notes:
1. If lead concentrations were entered in the exposure point concentration tables, see the individual calculator sheets for lead
concentrations in comparison to screening levels. Note that lead is not included in cumulative risk calculations.
2. * = If concentrations in groundwater exceed the NC 2L Standards or IMAC, or concentrations in surface water exceed the
NC 213 Standards, appropriate remediation and/or institutional control measures will be necessary to be eligible for a risk -based
closure.
3. NM = Not Modeled
4. NC = Pathway not calculated
North Carolina DEQ Risk Calculator

Risk for Individual Pathways
Ly
Version Date: January 2021
Basis: November 2020 EPA RSL Table
Site ID: 21047-17-041
Exposure Unit ID: A-23
DIRECT CONTACT SOIL AND WATER CALCULATORS
Receptor
Pathway
Carciinn kenic
Hazard Index
Risk exceeded?
Resident
Soil
NC
NC
NC
Groundwater Use*
NC
NC
NC
Non -Residential Worker
Soil
NC
NC
NC
Groundwater Use*
NC
NC
NC
Construction Worker
Soil
NC
NC
NC
Recreator/Trespasser
Soil
NC
NC
NC
Surface Water*
NC
NC
NC
VAPOR INTRUSION CALCULATORS
Receptor
Pathway
CarcinogenicHazard
Risk
Index
Risk exceeded?
Resident
Groundwater to Indoor Air
NC
NC
NC
Soil Gas to Indoor Air
NC
NC
NC
Indoor Air
2.1 E-06
1.4E-01
NO
Non -Residential Worker
Groundwater to Indoor Air
NC
NC
NC
Soil Gas to Indoor Air
NC
NC
NC
Indoor Air
4.4E-07
3.4E-02
NO
CONTAMINANT MIGRATION CALCULATORS
Pathway
Source
Target Receptor Concentrations Exceeded?
Groundwater
Source Soil
Exceedence of 21, at Receptor?
NC
Source Groundwater
Exceedence of 21, at Receptor?
NC
Surface Water
Source Soil
Exceedence of 213 at Receptor?
NC
Source Groundwater
Exceedence of 213 at Receptor?
NC
Notes:
1. If lead concentrations were entered in the exposure point concentration tables, see the individual calculator sheets for lead
concentrations in comparison to screening levels. Note that lead is not included in cumulative risk calculations.
2. * = If concentrations in groundwater exceed the NC 2L Standards or IMAC, or concentrations in surface water exceed the
NC 213 Standards, appropriate remediation and/or institutional control measures will be necessary to be eligible for a risk -based
closure.
3. NM = Not Modeled
4. NC = Pathway not calculated
North Carolina DEQ Risk Calculator

Risk for Individual Pathways
Ly
Version Date: January 2021
Basis: November 2020 EPA RSL Table
Site ID: 21047-17-041
Exposure Unit ID: AA
DIRECT CONTACT SOIL AND WATER CALCULATORS
Receptor
Pathway
Carciinn kenic
Hazard Index
Risk exceeded?
Resident
Soil
NC
NC
NC
Groundwater Use*
NC
NC
NC
Non -Residential Worker
Soil
NC
NC
NC
Groundwater Use*
NC
NC
NC
Construction Worker
Soil
NC
NC
NC
Recreator/Trespasser
Soil
NC
NC
NC
Surface Water*
NC
NC
NC
VAPOR INTRUSION CALCULATORS
Receptor
Pathway
CarcinogenicHazard
Risk
Index
Risk exceeded?
Resident
Groundwater to Indoor Air
NC
NC
NC
Soil Gas to Indoor Air
NC
NC
NC
Indoor Air
2.3E-06
2.2E-01
NO
Non -Residential Worker
Groundwater to Indoor Air
NC
NC
NC
Soil Gas to Indoor Air
NC
NC
NC
Indoor Air
4.8E-07
5.2E-02
NO
CONTAMINANT MIGRATION CALCULATORS
Pathway
Source
Target Receptor Concentrations Exceeded?
Groundwater
Source Soil
Exceedence of 21, at Receptor?
NC
Source Groundwater
Exceedence of 21, at Receptor?
NC
Surface Water
Source Soil
Exceedence of 213 at Receptor?
NC
Source Groundwater
Exceedence of 213 at Receptor?
NC
Notes:
1. If lead concentrations were entered in the exposure point concentration tables, see the individual calculator sheets for lead
concentrations in comparison to screening levels. Note that lead is not included in cumulative risk calculations.
2. * = If concentrations in groundwater exceed the NC 2L Standards or IMAC, or concentrations in surface water exceed the
NC 213 Standards, appropriate remediation and/or institutional control measures will be necessary to be eligible for a risk -based
closure.
3. NM = Not Modeled
4. NC = Pathway not calculated
North Carolina DEQ Risk Calculator

Risk for Individual Pathways
Ly
Version Date: January 2021
Basis: November 2020 EPA RSL Table
Site ID: 21047-17-041
Exposure Unit ID: DUP
DIRECT CONTACT SOIL AND WATER CALCULATORS
Receptor
Pathway
Carciinn kenic
Hazard Index
Risk exceeded?
Resident
Soil
NC
NC
NC
Groundwater Use*
NC
NC
NC
Non -Residential Worker
Soil
NC
NC
NC
Groundwater Use*
NC
NC
NC
Construction Worker
Soil
NC
NC
NC
Recreator/Trespasser
Soil
NC
NC
NC
Surface Water*
NC
NC
NC
VAPOR INTRUSION CALCULATORS
Receptor
Pathway
CarcinogenicHazard
Risk
Index
Risk exceeded?
Resident
Groundwater to Indoor Air
NC
NC
NC
Soil Gas to Indoor Air
NC
NC
NC
Indoor Air
2.3E-06
2.3E-01
NO
Non -Residential Worker
Groundwater to Indoor Air
NC
NC
NC
Soil Gas to Indoor Air
NC
NC
NC
Indoor Air
4.7E-07
5.5E-02
NO
CONTAMINANT MIGRATION CALCULATORS
Pathway
Source
Target Receptor Concentrations Exceeded?
Groundwater
Source Soil
Exceedence of 21, at Receptor?
NC
Source Groundwater
Exceedence of 21, at Receptor?
NC
Surface Water
Source Soil
Exceedence of 213 at Receptor?
NC
Source Groundwater
Exceedence of 213 at Receptor?
NC
Notes:
1. If lead concentrations were entered in the exposure point concentration tables, see the individual calculator sheets for lead
concentrations in comparison to screening levels. Note that lead is not included in cumulative risk calculations.
2. * = If concentrations in groundwater exceed the NC 2L Standards or IMAC, or concentrations in surface water exceed the
NC 213 Standards, appropriate remediation and/or institutional control measures will be necessary to be eligible for a risk -based
closure.
3. NM = Not Modeled
4. NC = Pathway not calculated
North Carolina DEQ Risk Calculator

Risk for Individual Pathways
Ly
Version Date: January 2021
Basis: November 2020 EPA RSL Table
Site ID: 21047-17-041
Exposure Unit ID: DUP-2
DIRECT CONTACT SOIL AND WATER CALCULATORS
Receptor
Pathway
Carciinn kenic
Hazard Index
Risk exceeded?
Resident
Soil
NC
NC
NC
Groundwater Use*
NC
NC
NC
Non -Residential Worker
Soil
NC
NC
NC
Groundwater Use*
NC
NC
NC
Construction Worker
Soil
NC
NC
NC
Recreator/Trespasser
Soil
NC
NC
NC
Surface Water*
NC
NC
NC
VAPOR INTRUSION CALCULATORS
Receptor
Pathway
CarcinogenicHazard
Risk
Index
Risk exceeded?
Resident
Groundwater to Indoor Air
NC
NC
NC
Soil Gas to Indoor Air
NC
NC
NC
Indoor Air
2.1 E-06
1.6E-01
NO
Non -Residential Worker
Groundwater to Indoor Air
NC
NC
NC
Soil Gas to Indoor Air
NC
NC
NC
Indoor Air
4.5E-07
3.8E-02
NO
CONTAMINANT MIGRATION CALCULATORS
Pathway
Source
Target Receptor Concentrations Exceeded?
Groundwater
Source Soil
Exceedence of 21, at Receptor?
NC
Source Groundwater
Exceedence of 21, at Receptor?
NC
Surface Water
Source Soil
Exceedence of 213 at Receptor?
NC
Source Groundwater
Exceedence of 213 at Receptor?
NC
Notes:
1. If lead concentrations were entered in the exposure point concentration tables, see the individual calculator sheets for lead
concentrations in comparison to screening levels. Note that lead is not included in cumulative risk calculations.
2. * = If concentrations in groundwater exceed the NC 2L Standards or IMAC, or concentrations in surface water exceed the
NC 213 Standards, appropriate remediation and/or institutional control measures will be necessary to be eligible for a risk -based
closure.
3. NM = Not Modeled
4. NC = Pathway not calculated
North Carolina DEQ Risk Calculator