22016_Quality Products Post-Occ Sampling Report_20340108

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VIMS Post-Occupancy Sampling Report
Quality Products Company
1513 & 1515 S. Mint Street
Charlotte, North Carolina
Brownfields Project No. 22016-18-060
H&H Job No. LEH-004

Table of Contents

1.0 Introduction .............................................................................................................................1 
2.0 Sub-Slab Soil Gas Assessment Activities ..............................................................................3 
2.1 Sub-Slab Soil Gas Sampling .................................................................................................3 
2.2 Sub-Slab Soil Gas Sampling Results .....................................................................................4 
3.0 Summary and Conclusions ....................................................................................................6 

List of Tables

Table 1 Summary of Sub-Slab Soil Gas Analytical Data

List of Figures

Figure 1 Site Redevelopment Plan

List of Appendices

Appendix A VIMS As-Built Drawings
Appendix B Field Sampling Forms
Appendix C Laboratory Analytical Report
Appendix D DEQ Risk Calculators

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VIMS Post-Occupancy Sampling Report
Quality Products Company
1513 & 1515 S. Mint Street
Charlotte, North Carolina
Brownfields Project No. 22016-18-060
H&H Job No. LEH-004

1.0 Introduction

On behalf of LEH NC Mint, LLC, Hart & Hickman, PC (H&H) has prepared this report to
document vapor intrusion mitigation system (VIMS) post-occupancy sub-slab soil gas sampling
activities completed at the Quality Products Company Brownfields property (Brownfields Project
No. 22016-18-060) located at 1513 and 1515 S. Mint Street in Charlotte, Mecklenburg County,
North Carolina (Site or subject Site). The Site is comprised of three tax parcels (Mecklenburg
County Parcel ID Nos. 11908315, 11908316, and 11908317) totaling approximately 0.53-acres
and is developed with a single-story multi-tenant commercial building with an associated parking
area. Redevelopment at the Site included upfit and renovations for adaptive re-use of the existing
building, including spaces for an orthodontist office, restaurant, and concert hall. A Site
redevelopment plan is provided as Figure 1.

A Brownfields Agreement between DEQ and LEH NC Mint, LLC was recorded for the Site on
August 28, 2020. The recorded Brownfields Agreement includes a Land Use Restriction which
generally states that no enclosed building may be constructed on the property until DEQ
determines in writing that the building would be protective of users from risks of potential vapor
intrusion. To address DEQ Brownfields requirements, H&H prepared a Vapor Intrusion
Mitigation Plan (VIMP) dated August 3, 2020 for the existing Site building. Modifications to the
VIMS within the 1513 S. Mint Street space were approved by DEQ in an email dated June 7, 2022.
The DEQ-approved VIMP includes installation of two separate passive VIMS for the 1513 and
1515 S. Mint Street tenant spaces. VIMS installation activities at the Site for the 1513 and 1515
S. Mint Street spaces are documented in H&H’s VIMS Installation Completion Reports dated
March 27, 2023 and August 10, 2022, respectively.

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The DEQ-approved VIMP included installation of two separate passive sub-slab depressurization
systems under the two initially proposed tenant spaces within the existing Site building as well as
post-installation sub-slab soil gas sampling. Briefly, the VIMS consists of a passive sub-slab
depressurization system which is comprised of an interconnected system of slotted or perforated
Schedule 40 (SCH 40) PVC pipe installed in a permeable gravel layer beneath the slab of the
mitigated areas. The sub-slab horizontal piping system is connected to riser piping which extends
vertically through the building and discharges vapors through exhaust stacks installed above the
building roof. Empire turbine ventilator fans were installed on the discharge end of the exhaust
stacks on the roof. In addition, Vaporblock® Plus 20 (VBP20), a vapor barrier manufactured by
Viaflex (formerly Raven Industries), was installed above the gravel layer and beneath the concrete
slab of the 1513 S. Mint Street tenant space. For the 1515 S. Mint Street space, GeoSeal EV20
vapor barrier was installed above the gravel layer and beneath the concrete slab. VIMS as-built
drawings are provided in Appendix A.

H&H requested to combine the first annual post-occupancy sampling for each space. Approval
for the combined sampling event was provided in an email from DEQ dated May 12, 2023. In
accordance with the DEQ-approved VIMP and email request approved by DEQ, annual post-
occupancy sampling was completed at the Site in October and November 2023. A brief summary
of the sub-slab soil gas sampling activities is provided in Section 2.0 and summary and conclusions
based on the sampling results are provided in Section 3.0.

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2.0 Sub-Slab Soil Gas Assessment Activities

The DEQ-approved VIMP states that one annual post-occupancy sampling event will be
completed to evaluate effectiveness of the VIMS for a total of two events (including the initial
post-installation event) and a request to terminate sampling would be submitted to DEQ if the
results indicate acceptable risk levels. The pre-occupancy sampling event for 1515 S. Mint Street
was completed in June 2022 and the pre-occupancy sampling event for 1513 S. Mint Street was
completed in March 2023. The post-occupancy sampling event was performed in October 2023
at 1515 S. Mint Street and in November 2023 at 1513 S. Mint Street. The monitoring event for
1513 S. Mint Street was postponed to November 2023 due to equipment covering the monitoring
point during the October 2023 event. Per the approved VIMP, the sampled monitoring points were
reduced to one per address and the monitoring points sampled were chosen based on the highest
concentrations detected during the previous sampling event.. The sub-slab soil gas assessment
activities were conducted in general accordance with the DEQ-approved VIMP and the DEQ
Division of Waste Management (DWM) Vapor Intrusion Guidance (Guidance) dated March 2018.
A description of the sampling activities and results is provided below.

2.1 Sub-Slab Soil Gas Sampling

In October 2023, H&H collected one sub-slab soil gas sample from permanent monitoring point
MP-3 within the orthodontist office located at 1515 S. Mint Street tenant space. In November
2023, H&H collected one sub-slab soil gas sample from MP-6 within the Trio Concert Hall (Trio)
space located at 1513 S. Mint Street tenant space.

The monitoring point locations are shown in as-built sheet VM-1 included in Appendix A. One
duplicate sub-slab soil gas sample (MP-DUP) was also collected for quality assurance/quality
control (QA/QC) purposes from sub-slab soil gas sample location MP-6. The duplicate sample
was collected utilizing a laboratory-supplied stainless-steel sampling “T” which allows for the
simultaneous collection of two sub-slab soil gas samples from a single location.

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Prior to sample collection, H&H conducted a leak test at each monitoring point by placing a shroud
around the monitoring point and sampling train including the Summa canister. The air within the
shroud was flooded with helium gas and concentrations were measured with a calibrated helium
detector. Helium concentrations within the shroud were maintained at approximately 15%. An
electric pump was connected to the sample tubing outside of the shroud and used to purge a
minimum of three volumes (monitoring point and sample train) of soil gas into a Tedlar® bag at
each sampling point. The helium gas detector was used to measure helium concentrations within
the Tedlar® bag sample to confirm helium concentrations in the sample were less than 10% of
those measured within the shroud. Results of the helium leak checks indicate that short-circuiting
at the monitoring points or within the sampling train was not present. Soil gas sample field forms
completed by sampling personnel are included in Appendix B.

Following a successful leak check, the air flow regulators were opened to allow collection of the
sub-slab soil gas samples. The sub-slab soil gas samples were collected in 1-liter Summa canisters
at an approximate flow rate no greater than 200 mL/min. Vacuum in the Summa canisters was
monitored during the sampling event to confirm adequate sample volume was collected at each
monitoring point location. Upon completion of sample collection, the air flow regulator was
closed to the Summa canister. The canisters were labeled with the sample identification, the
beginning and ending times, the pressure measurements, and the requested analysis. The canisters
were then placed in laboratory-supplied shipping containers and delivered to Waypoint Analytical
Laboratory (Waypoint) under standard chain of custody protocols for analysis of full-list volatile
organic compounds (VOCs) by EPA Method TO-15.

2.2 Sub-Slab Soil Gas Sampling Results

A tabular summary of the sub-slab soil gas sample analytical results is provided in Table 1. The
results were compared to the DEQ Non-Residential Vapor Intrusion Sub-Slab and Exterior Soil
Gas Screening Levels (SGSLs) dated July 2023. In addition, the analytical results from the pre-
occupancy sub-slab sampling events for each tenant space are included for comparison. The
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laboratory analytical report and chain of custody record from the 2023 post-occupancy sampling
event are provided as Appendix C.

The sub-slab soil gas sample analytical results indicate that several compounds were detected at
concentrations above laboratory method detection limits (MDLs) in each sample. However, no
compounds were detected at concentrations above Non-Residential Vapor Intrusion SGSLs.
Tetrachloroethene (PCE) and trichloroethene (TCE) were detected in each sub-slab soil gas sample
at concentrations above the laboratory MDLs but well below their Non-Residential SGSLs of
3,500 µg/m3 and 180 µg/m3, respectively. In comparison to the pre-occupancy sampling event
results, the majority of compound concentrations, including TCE, decreased in samples collected
from both sample points (MP-3 and MP-6).

The DEQ Vapor Intrusion SGSLs are very conservative and based on a target carcinogenic risk
(TCR) of 1 x 10-6 and a non-carcinogenic hazard quotient (HQ) of 0.2. The DEQ and EPA’s
acceptable risk level for potential carcinogenic risk is a cumulative lifetime incremental cancer
risk (LICR) of 1 x 10-4 or less and the acceptable level for non-carcinogenic risks is a cumulative
hazard index (HI) of 1.0 or less. The HI is the sum of HQs for each detected analyte.

Although no compounds were detected at concentrations exceeding the DEQ Non-Residential
Vapor Intrusion SGSLs, H&H utilized the DEQ Risk Calculator (July 2023) to further evaluate
potential cumulative risks. Since each tenant space has a separate VIMS, H&H modeled a worst-
case scenario for the tenant spaces separately by using the highest concentrations of any compound
detected below each respective slab during the 2023 post-occupancy sampling event. Based on
the use of the Site as non-residential commercial business space, H&H modeled a non-residential
use scenario to evaluate potential vapor intrusion risks. The calculated cumulative LICR and HI
values are provided in Table 1, and the completed DEQ Risk Calculators are provided in
Appendix D.

As shown in Table 1, results of the worst-case risk calculation for the 1513 S. Mint Street space
assuming a non-residential use scenario indicates a calculated cumulative LICR of 1.8 x 10-7 and
a HI value of 0.018. The non-residential worst-case risk calculator results for the 1515 S. Mint
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Street space indicate a calculated cumulative LICR of 2.6 x 10-7 and a HI value of 0.0058. The
calculated cumulative residential use LICR and HI values for the both tenant spaces are orders of
magnitude below the DEQ and EPA acceptable levels. In addition, the risk levels for both spaces
decreased from the pre-occupancy sampling event to the post-occupancy sampling event. These
risk calculator results confirm that compound concentrations detected below the slabs do not pose
vapor intrusion risks at unacceptable levels within the building.

3.0 Summary and Conclusions

Redevelopment has been completed for the multi-tenant commercial building at the Quality
Products Co. Brownfields Property (Brownfields Project No. 22016-18-060) located at 1513 and
1515 S. Mint Street in Charlotte, Mecklenburg County, North Carolina. During upfit of the
existing Site building, H&H conducted VIMS installation inspections and completed post-
installation efficacy testing as documented in the VIMS Installation Completion Reports
completed for each tenant space. In accordance with the DEQ-approved VIMP, the post-
occupancy sub-slab vapor sampling event was completed at the Site in October and November
2023.

The results of sub-slab soil gas sampling indicate no compounds were detected in the sub-slab soil
gas samples in either the 1513 or 1515 S. Mint Street spaces at concentrations above the DEQ
Non-Residential Vapor Intrusion SGSLs. The calculated cumulative non-residential worst-case
carcinogenic and non-carcinogenic risks associated with the sub-slab soil gas concentrations in the
two slab areas are orders of magnitude below the DEQ and EPA acceptable thresholds of 1.0 x 10-
4 for LICR and 1.0 for HI. Thus, the detected concentrations do not pose a risk of vapor intrusion
above acceptable levels and the VIMS appears to be operating as intended.

Based on the decreasing TCE concentrations, post-occupancy calculated risks which are orders of
magnitude below the acceptable risk levels, and sub-slab concentrations indicating no exceedances
of non-residential SGSLs, the VIMS is effectively mitigating potential sub-slab vapor intrusion
risks at the Site building. In accordance with the DEQ-approved VIMP, the PD requests DEQ
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Brownfields Redevelopment Section approval to discontinue the annual vapor intrusion sampling
requirement.

Tables
Table 1
Summary of Sub-Slab Soil Gas Analytical Data
Quality Products Co.
1513 & 1515 South Mint Street
Charlotte, North Carolina
Brownfields Project No. 22016-18-060
H&H Job No. LEH-004
Building ID
Sample ID MP-1 MP-3 MP-6
Date 10/5/2023
Units
VOCs (TO-15)Acetone 1,380 694 701 50.6 280 272 418 69.5 74.8 NE
Benzene <0.733 <0.733 <0.733 1.25 J 0.824 J 0.683 J 1.77 0.961 J 0.833 J 160Carbon Disulfide 7.72 J <0.608 2.71 J <0.060 <0.060 <0.060 0.255 J 1.55 J 1.44 J 61,000
Chloroform <0.864 <0.864 <0.864 12.2 0.722 J 0.707 J 1.6 J 6.27 6.17 53Cyclohexane<1.61 164 169 <0.161 <0.161 <0.161 1.68 J <0.161 <0.161 530,000
Dichlorodifluoromethane <1.34 <1.34 <1.34 3.71 3.11 3.00 2.96 2.65 2.39 J 8,800
Ethyl Acetate <1.36 27.3 <1.36 <0.136 <0.136 <0.136 <0.136 9.42 9.15 6,100Ethylbenzene9.55 J 10.3 J 10.7 J 1.09 J <0.106 <0.106 0.49 J 1.12 J 1.17 J 490
4-Ethyltoluene <1.28 5.06 J 4.92 J <0.128 4.22 4.29 4.25 <0.128 <0.128 NE1,1,2-Trichloro-1,2,2-trifluoroethane <5.61 <5.61 <5.61 <0.561 <0.561 <0.561 <0.561 <0.561 <0.561 440,000
Heptane <1.43 49.3 54.1 1.94 J 3.34 <0.143 3.34 0.475 J 0.553 J 35,000n-Hexane <0.471 <0.471 <0.471 1.94 2.01 <0.047 <0.047 0.863 J 0.933 J 61,000
Isopropyl Alchohol <1.39 24.3 J <1.39 8.39 B 5.37 B 3.26 B, J 3.78 B, J 1.89 B, J 2.46 B, J 18,000
Methyl Ethyl Ketone (MEK)1,950 4,050 3,680 51.6 603 584 2,510 9.97 11.7 440,000
4-Methyl-2-Pentanone <1.21 <1.21 <1.21 0.565 J <0.121 <0.121 <0.121 0.294 J 0.319 J 260,000Methylene Chloride 5.63 J <4.89 <4.89 5.99 5.01 3.82 3.38 6.93 4.29 53,000
Naphthalene <1.83 31.5 31.2 <0.183 6.43 6.55 6.46 <0.183 <0.183 36Styrene33.1 24.9 25.2 0.719 J 0.451 J 0.494 J 2.23 1.97 J 2.06 J 88,000
Tetrachloroethene 9.36 J 12.4 J 12.1 J 60.2 <0.181 <0.181 0.474 J 34.0 8.60 3,500
Tetrahydrofuran 534 876 777 14.5 692 670 2,580 18.8 18.8 180,000
Toluene 16.8 J 14.1 J 13.9 J 6.34 2.07 1.97 10.3 8.41 8.35 440,000
Trichloroethene 83.5 302 306 1.4 J 12.3 11.8 223 13.2 13.0 180Trichlorofluoromethane<1.30 5.84 J <1.30 2.75 J 1.93 J 1.90 J 1.88 J 2.02 J 1.61 J NE
1,2,4-Trimethylbenzene 12.3 J 19.7 J 19.6 J 1.14 J 4.21 4.47 4.32 1.81 J 1.97 J 5,300
1,3,5-Trimethylbenzene <2.36 5.95 J 6.39 J 0.363 J 3.42 3.47 3.46 0.462 J 0.486 J 5,300
Vinyl Chloride <1.27 <1.27 <1.27 <0.127 <0.127 <0.127 <0.127 <0.127 <0.127 280o-Xylene 8.90 J 9.03 J 9.21 J 1.29 J 2.81 2.92 3.06 1.57 J 1.68 J 8,800
mp-Xylene 19.4 J 19.9 J 18.6 J 3.23 J 0.499 J 0.655 J 1.04 J 3.82 J 4.05 J 8,800Xylene (Total)28.3 J 28.9 J 27.8 J 4.52 J 3.31 J 3.58 J 4.10 J 5.39 J 5.73 J 8,800
DEQ Cumulative Risk Calculator(2)
Carcinogenic Risk (LICR)2.6 x 10-7
Non-Carcinogenic Hazard Index (HI)0.0058
Notes:1) NC Department of Environmental Quality (DEQ) Division of Waste Management (DWM) Vapor Intrusion Sub-slab and Exterior Soil Gas Screening Levels (SGSLs)
dated July 2023 and based upon TCR = 1 x 10-6 and THQ = 0.2.2) NC DEQ DWM Cumulative Risk Calculator dated July 2023.Compound concentrations are reported in micrograms per cubic meter (μg/m3)Compound concentrations are reported to the laboratory method detection limits.
Only those compounds detected in at least one sample, and select chlorinated solvents, are shown in the table above.Laboratory analytical method shown in parentheses.Bold indicates compound concentration exceeds Non-Residential SGSLs.
VOCs = Volatile Organic Compounds; NE = Not Established.TCR = Target Cancer Risk; THQ = Target Hazard Quotient.
LICR = Lifetime Incremental Cancer Risk; HI = Hazard Index.
Cumulative LICR and HI calculated using the residential worst-case scenario for each building and compared to DEQ and EPA acceptable risk levels for carcinogenic and non carcinogenic risks.J = Compound was detected above the laboratory method detection limit, but below the laboratory reporting limit resulting in a laboratory estimated concentration.
B = Compound was detected in laboratory blank.
0.018
<1 x 10-4
<1.0
1.9 x 10-6
0.38
1.0 x 10-6
0.26
1.8 x 10-7
Non-Residential SGSLs(1)
Acceptable Risk Levels
1515 S. Mint Street
6/1/2022
MP-4 / MP-DUP
1513 S. Mint Street
3/17/2023
µ/m3
MP-3 / MP-DUP MP-6 / MP-DUP
11/8/2023
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11/27/2023
Table 1 (Page 1 of 1)
Hart & Hickman, PC

Figures
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SDNEBBCCCCCBBOOOBBBBOOOOBBBUILDING 15375,328 SFFFE: 719.12BUILDING 15294,036 SFFFE: 721.41FFE: 723.54BUILDING 15257,235 SFFFE: 723.00FFE: 725.00BUILDING 15156,788 SFFFE: 725.27BUILDING 15135,248 SFFFE: 725.27725722724
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729 728720717721
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727 PROP. CONCRETE PAVEMENTTO BE FLUSH WITH EX.CONCRETE PAVEMENT, TYP.2% MAXIMUM CROSSSLOPE ON CROSSWALK.DUMPSTER PAD SHALLSLOPE TOWARDS ACCESSDRIVE AT 2.00% MAX SLOPE.SLOPE FOR HANDICAP ACCESSIBLESPACES SHALL NOT EXCEED 2% INANY DIRECTION, TYP.2:1 SLOPE MAX.BACKFLOW PREVENTERAREA SHALL BE GRADEDAT 2% MAX SLOPE.CONTRACTOR SHALL SLOPE CURB ANDGUTTER TO ENSURE POSITIVE DRAINAGETO DOWNSTREAM INLETS, TYP.PROP. DI-1RIM: 722.50INV OUT: 719.00 (MH-1)38.19 LF of 15"RCP @ 4.11%PROP. MH-1RIM: 719.37INV IN: 717.43 (DI-1)2% MAXIMUM CROSSSLOPE ON CROSSWALK.2% MAXIMUM CROSSSLOPE ON CROSSWALK.BACKFLOW PREVENTERAREA SHALL BE GRADEDAT 2% MAX SLOPE.DUMPSTER PAD SHALLSLOPE TOWARDS ACCESSDRIVE AT 2.00% MAX SLOPE.SLOPE FOR HANDICAP ACCESSIBLESPACES SHALL NOT EXCEED 2% INANY DIRECTION, TYP.EX: 718.20EX: 722.17EX: 722.56EX: 718.56EX: 723.20EX: 722.83EX: 723.17EX: 724.58EX: 727.98EX: 726.39EX: 726.97EX: 725.14EX: 722.92719.07719.07719.47719.12718.99719.67EX: 719.28719.87719.59719.61719.66720.92722.80723.25723.33723.50723.50723.50723.41722.49723.77723.78723.43EX: 723.15EX: 722.67EX: 720.37EX: 723.16721.40EX: 721.81721.41720.66719.24719.19719.15719.12719.12EX: 723.65EX: 723.45EX: 722.89EX: 722.02EX: 721.65EX: 721.62EX: 722.26EX: 721.16EX: 723.40EX: 723.94EX: 724.51EX: 724.80EX: 724.98722.81723.21723.00723.10723.00724.85725.00725.00724.90725.00724.95724.81725.42725.41725.54725.54725.21725.37725.53725.36EX: 719.15EX: 718.91EX: 718.79EX: 718.73EX: 718.99719.16719.22719.78725.27725.27724.98724.86725.26725.26BW: 725.27TW: 727.28725.27725.17724.96725.19725.40725.16725.40725.20724.11723.92723.73724.40723.87723.91723.97723.44723.70723.30722.73723.20LP: 722.65LP: 722.70CONTRACTOR SHALLENSURE SMOOTH VERTICALCURVES ARE USED AT ALLHIGH AND LOW POINTS.TYPICAL IN ALL AREAS.PROP. ASPHALT PAVEMENT TO BEFLUSH WITH EX. CONCRETE PAVEMENTALONG CLEAN SAWCUT, TYP.720.06PROP. BUILDING STAIRS, SEEARCHITECTURAL DETAILSTC: 723.08BC: 722.58TC: 721.22BC: 720.72stamp / seal:REVISIONSDATENO.DESCRIPTIONDisclaimer ©2019:Information contained in this document is the property of Bloc Design, PLLC.and the project client listed on this document.The reproduction, copying, and other use without written consent isprohibited and may be subject to legal action to the fullest extent possible.N.T.S.NS. Mint StreetRedevelopment1513, 1515, 1525, 1529 &1537 S. Mint St.Charlotte, NC 28203CHECKED BY:MPIC:CCB11/22/19DATE:DRAWN BY:PROJECT NUMBER:00658.01SCALE:TITLE:SHEET NO.:VICINITY MAPSURVEY DISCLAIMERTOPOGRAPHIC SURVEY DATED AUGUST 25, 2019 PROVIDED BY R.B.PHARR & ASSOSIATES, P.A., 420 HAWTHORNE LANE, CHARLOTTE,N.C. 28204. PHONE: [phone]P-1007C-390S:\Projects\00658 Mint St Redevelopment\Plans\Production DWGs\00658_CG-100 - Grading and Drainage Plan.dwg, 11/25/2019 8:37:54 AM, nic vesely, Bloc DesignISSUED FOR CONSTRUCTIONMANAGING PARTNER (PE): DATE:MANAGING PARTNER (LA):DATE:CIVIL ENGINEER/DESIGNER:DATE:LANDS. ARCHITECT/DESIGNER:DATE:2923 S. Tryon Street, Suite 320Charlotte, NC 28203phone: [phone]www.bloc-nc.comlandscape architecture I planning I civil engineering1.CONTRACTOR IS RESPONSIBLE FOR PLACEMENT OF ALL BARRICADES,SIGNAGE, FLAGGERS, SHORING, ETC., TO ENSURE THE SAFETY OF WORKERSAND THE PUBLIC.2.ALL PAVEMENT CUTS SHALL BE REPLACED ACCORDING TO NORTH CAROLINADEPARTMENT OF TRANSPORTATION AND CHARLOTTE WATER.PLAN NORTHTRUE NORTHNNLischerongDevelopment Group310 Arlington AveSuite #402-ACharlotte, NC 28203704-750-0368lischerongdevelopment.comREEENGINSEFOR
P
LANOISSEAL35711EXISTING CONTOURPROPOSED INDEX CONTOURPROPOSED SPOT ELEVATIONPROPOSED HIGH POINTHPSYMBOLEXISTING SPOT ELEVATIONPROPOSED DRAINAGE FLOW PATTERN625.00625.00LEGENDDETAILPROPOSED INTERIOR CONTOUR625624-/--/--/--/--/--/--/-GRADING NOTES:1.ANY GRADING BEYOND THE DENUDED LIMITS INDICATED ON THE CONSTRUCTIONDOCUMENTS IS A VIOLATION AND IS SUBJECT TO A FINE.2.GRADING MORE THAN ONE ACRE WITHOUT AN APPROVED EROSION CONTROL PLANIS A VIOLATION AND IS SUBJECT TO A FINE.3.CONTRACTOR SHALL MAINTAIN 0.50% SLOPE MINIMUM ON THE CURB AND GUTTERS4.THE AUTHORITIES HAVING JURISDICTION HAVE NOT REVIEWED AND ASSUME NORESPONSIBILITY FOR THE STRUCTURAL STABILITY OF ANY EXISTING RETAININGWALLS ONSITE.5.ALL PAVED AREAS (SIDEWALKS, PLAZAS, PATIOS, ETC.) SHALL SLOPE AWAY FROMTHE BUILDING AT 2.00% MINIMUM.6.SPOT GRADE ELEVATIONS ARE TAKEN AT FINISHED GRADE (ASPHALT, CONCRETE,TURF) UNLESS OTHERWISE NOTED.7.TC = TOP OF CURB ELEVATIONBC = BOTTOM OF CURB ELEVATION (GUTTER FLOW LINE)HP = HIGH POINTLP = LOW POINTEX = EXISTING SPOT ELEVATIONSCALE:020'40'10'1"= 20'PROPOSED STORM DRAINAGEPROPOSED CATCH BASIN INLETCBNCDOT 300.01NCDOT 840.02CCBNTVDSK1"=20'GRADING & DRAINAGE PLANCG-101
SSSSSSSDSDSDEWWWEEEEE WSDSDSDSSSSSSWGEGES33o16'59"E 150.03'S33o17'59"E 150.04'S33o18'53"E 150.04'N33o16'34"W 150.04N33o16'36"W 150.04'(M)50.08' (M)49.86 (M)50.01 (M)50.01' (M)N56o40'13"E 199.96' (T) (M)50.08' (M)49.87 (M)49.97' (M)49.97' (M)S56o40'07E 199.99' (T) (M)20' FRONT SETBACK10' SIDE SETBACKTAX PARCEL 119-083-01LOT 6, BLOCK 4WESTWOOD PARKM.B. 332, PG. 361MARTHA F. GAINEYD.B. 25356, PG.701SOUTH MINT STREETWESTWOOD AVENUETAX PARCEL 19-083-01LOT 8, BLOCK 4WESTWOOD PARKM.B. 332, PG. 361BEVERLY WELCHD.B. 1588, PG. 43110' ALLEYM.B.332, PG. 36110' ALLEYM.B.332, PG. 361EXISTING SINGLE STORYU SHELL BUILDING -PROPOSED BUILD-OUT PROPOSED METAL LANDING & EGRESS STAIR FROM NEW MEZZININE IN SHELL BUILDING TO EX'G COURTYARD BELOW.ASHPALT PARKING LOTEGRESS PATH OF TRAVELTAX PARCEL 119-083-102LOT 5, BLOCK 4WESTWOOD PARKM.B. 332, PG. 361MARTHA F GAINEYD.B. 25356, PG. 701S46o25'35"E 32.00'N56o40'07"E 99.94 (M)C1-485' RADIUS; 45.78' ARC LENGTH; N35o59'07"W CHORD BEARING ; 45.77' CHORD LENGTH N35o09'03"W 99.94 (M)S33o16'34"E 199.99' (T) (M)S56118'0"W 155.50' (M)20' SETBACK10' SETBACKEXISTING SINGLE-STORY BUILDINGEXISTING SINGLE-STORY BUILDINGEGRESS PATH OF TRAVEL20' - 0 1/8"5' - 9 1/8"5' - 2"10' - 1 1/2"17' - 6 1/4"17' - 8 11/16"10' - 6"EXISTING COURTYARD6' TALL WOOD FENCEPROPOSED ADDITIONPROJECT BUILDINGPROJECT ADDITIONEXISTING BUILDINGSPROJECT PARKINGLEGEND1513 SOUTH MINT STREET1515 SOUTH MINT STREETDUMPSTERNFile:Date:PROJECT NO.SCALEISSUED:DATE: FOR:SCHEMATIC DESIGNDESIGN DEVELOPMENTBIDDINGRELEASED FOR CONSTRUCTION© CopyrightDesign BIM Group LLCAll rights reserved.ADDENDUM #1Design BIM Group LLC2615 George Busbee PkwySuite 11 - 357Kennesaw, Georgia 30144-1981Phone: [phone]REVISIONS:NO: DESCRIPTION:DATE:PROJECT NAME:CLIENT:Robert Herring Architect778 Registry Run NWKennesaw, Georgia 30152Phone: [phone]C:\Users\deanh\Documents\2-12-2022_2161_Hospitality Build Services_Trio_CF_AR_dhogencampXZBQQ.rvt2/15/2022 10:46:21 AM1" = 20'-0"ARCHITECTURALSITE PLAN2161A03090% SUBMITTAL- Not Released for Construction2022Hospitality Build ServicesTrio Concert Hall1513 S. Mint StreetCharlotte, NC 28203SCALE:1" = 20'-0"A0301ARCHITECTURAL SITE PLAN

Appendix A
VIMS As-Built Drawings
SEE DETAIL 1/VM-2
SEE DETAIL 6 & 8/VM-2 SEE DETAIL 5/VM-2
SEE DETAIL 3/VM-2 SEE DETAIL 4 & 8/VM-2
SEE DETAIL 2/VM-2
SEE DETAIL 7/VM-2
1515 S. MINT ST
TENANT SPACE
NEW CONCRETE
FOOTING
1513 S. MINT ST
TENANT SPACE
PREVIOUSLY EXISTING SUB-GRADE INTERIOR
RAMP REMOVED AND BROUGHT TO GRADE
USING BACKFILL AND BASE COURSE TO MATCH
SURROUNDINGS - VIMS PIPING IS ON SAME
GRADE AS REST OF VIMS PIPING.
SEE DETAIL 2/VM-2
SEE DETAIL 9/VM-2
SEE DETAIL 9/VM-2
SEE DETAIL 9/VM-2
REVISION NO. 1DATE: 3-27-23
2923 South Tryon Street-Suite 100
Charlotte, North Carolina 28203
704-586-0007(p) 704-586-0373(f)
License # C-1269 / #C-245 Geology
JOB NO. LEH-004 FIGURE NO. VM-1
1513-1515 S. MINT STREET
CHARLOTTE, NORTH CAROLINA
VIMS AS-BUILT LAYOUT
VIMS SPECIFICATIONS
1. VIMS VAPOR BARRIER IN THE 1513 S. MINT STREET TENANT SPACE IS VAPORBLOCK PLUS 20
MANUFACTURED BY RAVEN INDUSTRIES.
THE VAPOR BARRIER WAS INSTALLED AS SPECIFIED HEREIN AND PER MANUFACTURER
INSTALLATION INSTRUCTIONS TO CREATE A CONTINUOUS BARRIER BELOW GROUND FLOOR
SLABS AND ATTACHED/SEALED TO CONCRETE SURFACES OF FOOTINGS AND EXTERIOR/EXISTINGWALLS. A MINIMUM 5-INCH THICK BASE COURSE CONSISTING OF CLEAN #57 STONE WAS
INSTALLED BENEATH THE VIMS VAPOR BARRIER.
2. HORIZONTAL COLLECTION PIPE CONSISTS OF 4-INCH SCH 40 PVC (OR OTHERWISE NOTED IN THEDRAWINGS). SUB-SLAB SLOTTED VAPOR COLLECTION PIPE IS THREADED FLUSH JOINT OR SLIP
JOINT 4-INCH SCH 40 PVC PIPE WITH 0.020-INCH SLOT WIDTH AND 1/8-INCH SLOT SPACING. VIMSBELOW AND ABOVE GRADE SOLID PIPING IS NOT TRAPPED AND IS SLOPED A MINIMUM OF 1/8 UNIT
VERTICAL IN 12 UNITS HORIZONTAL (1% SLOPE) TO GRAVITY DRAIN. SOLID SECTIONS OF
HORIZONTAL COLLECTION PIPE WAS SUPPORTED TO PREVENT PIPE SAG OR LOW POINT AND
MAINTAIN 1% SLOPE TOWARD SLOTTED SECTIONS TO DRAIN CONDENSATION. TRACER WIRE WAS
PLACED ALONG HORIZONTAL PIPE BELOW VAPOR BARRIER TO LOCATE PIPE DURING FUTURE
BUILDING MODIFICATIONS.
3. 4-INCH SCH 40 PVC RISER DUCT PIPING WAS INSTALLED TO CONNECT EACH SLAB PENETRATION
LOCATION TO A ROOFTOP EXHAUST DISCHARGE POINT WITH TURBINE FAN (SEE SPECIFICATION#4). ABOVE-SLAB RISER DUCT PIPE RUNS BETWEEN THE SLAB PENETRATION AND THE ROOFTOP
EXHAUST DISCHARGE WAS INSTALLED PER APPLICABLE BUILDING CODE AND AS SPECIFIED INTHE CONSTRUCTION DOCUMENTS AND DRAWINGS.
4. RISER DUCT PIPING EXTENDS IN A VERTICAL ORIENTATION THROUGH THE BUILDING ROOF AND
TERMINATES A MINIMUM OF 2 FT ABOVE ANY WALLS, PARAPETS, ETC. IN THE VICINITY OF THERISER/FAN. AN EMPIRE MODEL TV04SS TURBINE VENTILATOR FAN WAS INSTALLED ON THE
EXHAUST DISCHARGE END OF EACH MINIMUM OF 10 FT FROM ANY OPERABLE OPENING OR AIRINTAKE INTO THE BUILDING. NOTE THAT DISCHARGE LOCATIONS ON THE ROOFTOP DEPICTED IN
THE VAPOR MITIGATION PLAN MAY HAVE BEEN REPOSITIONED AS LONG AS THE NEW POSITION
MET THE REQUIREMENTS PRESENTED ABOVE. A 4-INCH COUPLING WAS INSTALLED AT THE
DISCHARGE END OF THE 4-INCH RISER DUCT PIPE AND THE FAN IS SECURED TO THE PVC RISER IN
A VERTICAL ORIENTATION. AN ELECTRICAL JUNCTION BOX (120V, 60HZ AC REQUIRED) WAS
INSTALLED NEAR THE FAN LOCATION ON THE ROOFTOP FOR CONVERSION TO ELECTRIC FANS, IF
REQUIRED. ALL WIRING AND ELECTRICAL WAS INSTALLED PER APPLICABLE BUILDING AND
ELECTRICAL CODES.
5. ABOVE-SLAB ACCESSIBLE RISER DUCT PIPING IS PERMANENTLY IDENTIFIED BY MEANS OF A TAGOR STENCIL AT A MINIMUM OF ONCE EVERY 10-LINEAR FT WITH "VAPOR MITIGATION SYSTEM -
CONTACT MAINTENANCE.”6. MONITORING POINTS CONSIST OF 2-INCH DIAMETER SCH 40 PVC PIPE WITH A 90-DEGREE ELBOW
TO FORM AN "L" SHAPE. A MINIMUM OF 6" SECTION OF PIPING IS SET WITHIN THE BASE COURSELAYER WITH AN OPEN-ENDED PIPE OR PIPE PROTECTION SCREEN AT THE TERMINATION. THE PIPE
TERMINATION IS ENCASED WITHIN THE BASE COURSE LAYER. THE HORIZONTAL PIPING WASSLOPED A MINIMUM OF 1/8 UNIT VERTICAL BY 12 UNITS HORIZONTAL (1% SLOPE) TO GRAVITY
DRAIN TOWARDS THE PIPE TERMINATION AND PREVENT MOISTURE FROM COLLECTING AT THE90-DEGREE ELBOW. A 4-INCH DIAMETER ADJUSTABLE FLOOR CLEAN-OUT (ZURN INDUSTRIES
MODEL #CO2450-PV4, OR EQUIVALENT) WAS INSTALLED AND SET FLUSH WITH THE FINISHEDCONCRETE SURFACE. MONITORING POINT INTAKE IS A MINIMUM 5-FT FROM EXTERIOR FOOTING.
7. THIS VIMS PLAN WAS INTENDED TO BE USED FOR DIRECTION OF VIMS COMPONENT INSTALLATION
ONLY AND WAS NOT INTENDED TO GUIDE CONSTRUCTION OF STRUCTURAL COMPONENTS NOTRELATED TO THE VIMS. CONSTRUCTION CONTRACTOR VERIFIED CONSISTENCY OF VIMS DETAILS
WITH APPLICABLE STRUCTURAL, ARCHITECTURAL, MECHANICAL, AND PLUMBING PLANS ANDRESOLVED ANY INCONSISTENCIES PRIOR TO VIMS INSTALLATION.
8. INSPECTIONS: INSPECTIONS OF EACH COMPONENT OF THE VIMS WAS CONDUCTED BY THE
ENGINEER, OR ENGINEER'S DESIGNEE, TO CONFIRM VIMS COMPONENTS WERE INSTALLED PERTHE APPROVED DESIGN. THE REQUIRED INSPECTION COMPONENTS INCLUDED: (1) INSPECTION
OF SUB-SLAB PIPING LAYOUT, (2) GRAVEL PLACEMENT, AND (3) MONITORING POINT PLACEMENTPRIOR TO INSTALLING VAPOR BARRIER; (4) INSPECTION OF VAPOR BARRIER PRIOR TO POURING
CONCRETE; (5) INSPECTION OF ABOVE-GRADE PIPING LAYOUT; AND (6) INSPECTION OF TURBINEFANS AND RISER DUCT PIPE CONNECTIONS. INSPECTIONS WERE COMBINED WHEN POSSIBLE
DEPENDING ON THE CONSTRUCTION SEQUENCE/SCHEDULE. THE CONSTRUCTION
CONTRACTOR(S) COORDINATED WITH THE ENGINEER TO PERFORM THE REQUIRED INSPECTIONS.
DEQ WAS CONTACTED 48-HOURS PRIOR TO THE INSPECTION BEING CONDUCTED. FIELD NOTES,
PHOTOGRAPHS, AND ANY ADDITIONAL INSPECTION DOCUMENTATION ARE INCLUDED IN THE FINAL
DELIVERABLE TO DEQ.
9. CONSTRUCTION CONTRACTORS AND SUB-CONTRACTORS USED "LOW OR NO VOC" PRODUCTS
AND MATERIALS, WHEN POSSIBLE. THE CONSTRUCTION CONTRACTOR AND SUB-CONTRACTORS
PROVIDED SAFETY DATA SHEETS (SDS) TO THE ENGINEER FOR PRODUCTS AND MATERIALS USED
DURING CONSTRUCTION. SDS SHEETS ARE INCLUDED IN FINAL REPORTING TO DEQ.
10. CONSTRUCTION CONTRACTORS AND SUB-CONTRACTORS AVOIDED THE USE OF TEMPORARY
FORM BOARDS OR HOLLOW PIPING (TYPICALLY USED TO SUPPORT UTILITIES PRIOR TO SLAB
POURS) THAT PENETRATE THE VAPOR BARRIER WHERE POSSIBLE. IF TEMPORARY FORM BOARDS
WERE USED, THE SIZE AND NUMBER OF PENETRATIONS THROUGH THE VAPOR BARRIER WERE
LIMITED AND SMALL DIAMETER STAKES (I.E. METAL STAKES) WERE USED. IN ALL CASES, AS FORM
BOARDS ARE REMOVED, THE CONTRACTOR OR SUB-CONTRACTORS SEALED ALL PENETRATIONS
IN ACCORDANCE WITH VAPOR BARRIER MANUFACTURER INSTALLATION INSTRUCTIONS.
LEGEND
EXTENT OF VAPOR BARRIER - SEE SPECIFICATION #1
4-INCH SLOTTED SCH 40 PVC PIPE
4-INCH SOLID SCH 40 PVC PIPE
4-INCH SCH 40 PVC RISER WITH WIND DRIVEN TURBINE AT
TERMINUS ON ROOF
4-INCH SOLID CAST IRON RISER WITH WIND DRIVEN TURBINE AT
TERMINUS ON ROOF
2" DIA SOLID PVC PRESSURE MONITORING POINT WITH
FLUSH-MOUNTED COVER (INTAKE POSITIONED MINIMUM 5-FT
FROM EXTERIOR FOOTING)
COMPLETED PORTION OF BUILDING (1515 S. MINT STREET)
3/27/23
MP-3 MP-2
MP-1
F-2
F-1F-3
F-5
F-4F-6
MP-4
MP-5
MP-6
S:\AAA-Master Projects\Lischerong Enterprises and Holdings (LEH)\S. Mint St\VIMS Install Reports\1513 S Mint Upfit\Figures\Figures_VMP_As-Built.dwg, VM-1, 3/27/2023 10:06:13 AM, jlima
VIMS AT EXTERIOR WALL (TYPICAL)
NTS
3
CONCRETE
FLOOR SLAB
BASE COURSE
(SEE SPECIFICATION #1)
EXISTING CONCRETE
FOOTING (FIELD VERIFY)
EXISTING CMU WALL
EXISTING EXTERIOR
BRICK WALL
SUBBASE
VAPOR BARRIER
(SEE SPECIFICATION #1)
VAPOR BARRIER
SEALED TO CONCRETE
PER MANUFACTURERS
INSTRUCTIONS
VM-2
INTERFACE OF STEEL COLUMN AND
CONCRETE SEALED WITH
SELF-LEVELING POLYURETHANE
SEALANT
VIMS AT EXTERIOR WALL WITH RISER PIPE PENETRATION (TYPICAL)
NTS
4
CONCRETE
FLOOR SLAB
EXISTING CONCRETE
FOOTING (FIELD VERIFY)
EXISTING CMU WALL
EXISTING EXTERIOR
BRICK WALL
SUBBASE
VAPOR BARRIER PENETRATION SEALED TO
PIPE PER MANUFACTURERS INSTRUCTIONS
TO EXHAUST
POINT ON ROOF
4" SCH 40 PVC
90° ELBOW
BASE COURSE
(SEE SPECIFICATION #1)
4" SCH SOLID PVC PIPE SET
WITHIN 5" BASE COURSE
(SEE SPECIFICATION #2)
VAPOR BARRIER
SEALED TO CONCRETE
PER MANUFACTURERS
INSTRUCTIONS
4" SCH 40 PVC PIPE
VM-2
VIMS AT EXISTING INTERIOR CMU WALL (TYPICAL)
NTS
5
CONCRETE
FLOOR SLAB
BASE COURSE
(SEE SPECIFICATION #1)
EXISTING CMU WALL
SUBBASE
VAPOR BARRIER
(SEE SPECIFICATION #1)
VAPOR BARRIER
SEALED TO CONCRETE
PER MANUFACTURERS
INSTRUCTIONS
VM-2
INTERFACE OF STEEL COLUMN AND
CONCRETE SEALED WITH
SELF-LEVELING POLYURETHANE
SEALANT
VIMS VAPOR BARRIER AND BASE COURSE (TYPICAL)1
BASE COURSE - CLEAN #57 STONE
MIN 5" THICK BENEATH VAPOR BARRIER (SEE
SPECIFICATION #1)
VAPOR BARRIER (SEE SPECIFICATION #1)
CONCRETE FLOOR SLAB
SUBBASE
NTSVM-2
VIMS SLOTTED COLLECTION PIPE (TYPICAL)2
4" SCH 40 THREADED FLUSH JOINT
SLOTTED PVC PIPE (0.020" SLOT WIDTH,
1/8" SLOT SPACING)
SET WITHIN MIN 5" BASE COURSE
(SEE SPECIFICATION #2)
VAPOR BARRIER (SEE SPECIFICATION #1)
SUBBASE
NTS
CONCRETE FLOOR SLAB
VM-2
VIMS AT EXISTING INTERIOR CMU WALL WITH RISER PIPE PENETRATION (TYPICAL)
NTS
6
EXISTING CMU WALL
SUBBASE
VAPOR BARRIER SEALED TO
CONCRETE PER
MANUFACTURERS INSTRUCTIONS
BASE COURSE
(SEE SPECIFICATION #1)
4" SCH 40 PVC
90° ELBOW
4" SCH SOLID PVC PIPE SET WITHIN 5"
BASE COURSE (SEE SPECIFICATION #2)
VAPOR BARRIER PENETRATION SEALED TO
PIPE PER MANUFACTURERS INSTRUCTIONS
VAPOR BARRIER
(SEE SPECIFICATION #1)
CONCRETE
FLOOR SLAB
TO EXHAUST
POINT ON ROOF
TO SLOTTED HORIZONTAL
COLLECTION PIPING
4" SCH 40 PVC PIPE
VM-2
INTERFACE OF CMU WALL AND CONCRETE
SEALED WITH SELF-LEVELING POLYURETHANE
SEALANT
VIMS TURBINE FAN & EXHAUST (TYPICAL)8
NTS
TURBINE FAN
(EMPIRE MODEL TV04SS OR APPROVED EQUIVALENT)
ELECTRICAL JUNCTION BOX FOR POTENTIAL FUTURE
VACUUM FAN (SEE SPECIFICATION #4)
4" SCH 40 PVC THROUGH ROOF
FLASHING
ROOFTOP
VM-2
4" SCH SOLID PVC PIPE SET
WITHIN 5" BASE COURSE
(SEE SPECIFICATION #2)
VAPOR BARRIER PENETRATION SEALED TO
PIPE PER MANUFACTURERS INSTRUCTIONS
4" SCH 40
PVC 90°
ELBOW
TO EXHAUST
POINT ON ROOF
TO SLOTTED HORIZONTAL
COLLECTION PIPING
VIMS AT STEEL COLUMN (TYPICAL)
NTS
7
VM-2
EXTERIOR GRADE
STEEL COLUMN
ANCHORED TO FOOTING
4" SCH 40 PVC PIPE
VAPOR BARRIER
(SEE SPECIFICATION #1)
BASE COURSE
(SEE SPECIFICATION #1)
SUBBASE
NEW FOOTING
INTERFACE OF STEEL
COLUMN/EXISTING WALL
AND CONCRETE SEALED
WITH SELF-LEVELING
POLYURETHANE SEALANT
FINISHED FLOOR SLAB
2" SCH 40 PVC SET WITHIN GRAVEL LAYER
2" DRAIN EXPANSION TEST PLUG
VIMS MONITORING POINT - TYPICAL DETAIL VIEW
NTS
9
VM-2
VAPOR BARRIER PENETRATION SEALED TO
PIPE PER MANUFACTURER INSTRUCTIONS
2" SCH 40 PVC 90 DEGREE ELBOW
FLOOR CLEANOUT, ADJUSTABLE, 4" DIA ZURN
INDUSTRIES MODEL #CO2450-PV4 (OR ENGINEER
APPROVED EQUIVALENT) FLUSH WITH FINISHED FLOOR
BASE COURSE
4" x 2" FLUSH REDUCER
BUSHING
OPEN-ENDED PIPE
REVISION NO. 1DATE: 3-27-23
2923 South Tryon Street-Suite 100
Charlotte, North Carolina 28203
704-586-0007(p) 704-586-0373(f)
License # C-1269 / #C-245 Geology
CROSS SECTION DETAILS
JOB NO. LEH-004 FIGURE NO. VM-2
1513-1515 S. MINT STREET
CHARLOTTE, NORTH CAROLINA
VIMS SPECIFICATIONS
1. VIMS VAPOR BARRIER IN THE 1513 S. MINT STREET TENANT SPACE IS VAPORBLOCK PLUS 20
MANUFACTURED BY RAVEN INDUSTRIES.
THE VAPOR BARRIER WAS INSTALLED AS SPECIFIED HEREIN AND PER MANUFACTURER INSTALLATION
INSTRUCTIONS TO CREATE A CONTINUOUS BARRIER BELOW GROUND FLOOR SLABS AND
ATTACHED/SEALED TO CONCRETE SURFACES OF FOOTINGS AND EXTERIOR/EXISTING WALLS. A
MINIMUM 5-INCH THICK BASE COURSE CONSISTING OF CLEAN #57 STONE WAS INSTALLED BENEATH
THE VIMS VAPOR BARRIER.
2. HORIZONTAL COLLECTION PIPE CONSISTS OF 4-INCH SCH 40 PVC (OR OTHERWISE NOTED IN THE
DRAWINGS). SUB-SLAB SLOTTED VAPOR COLLECTION PIPE IS THREADED FLUSH JOINT OR SLIP JOINT
4-INCH SCH 40 PVC PIPE WITH 0.020-INCH SLOT WIDTH AND 1/8-INCH SLOT SPACING. VIMS BELOW AND
ABOVE GRADE SOLID PIPING IS NOT TRAPPED AND IS SLOPED A MINIMUM OF 1/8 UNIT VERTICAL IN 12
UNITS HORIZONTAL (1% SLOPE) TO GRAVITY DRAIN. SOLID SECTIONS OF HORIZONTAL COLLECTION
PIPE WAS SUPPORTED TO PREVENT PIPE SAG OR LOW POINT AND MAINTAIN 1% SLOPE TOWARD
SLOTTED SECTIONS TO DRAIN CONDENSATION. TRACER WIRE WAS PLACED ALONG HORIZONTAL PIPE
BELOW VAPOR BARRIER TO LOCATE PIPE DURING FUTURE BUILDING MODIFICATIONS.
3. 4-INCH SCH 40 PVC RISER DUCT PIPING WAS INSTALLED TO CONNECT EACH SLAB PENETRATION
LOCATION TO A ROOFTOP EXHAUST DISCHARGE POINT WITH TURBINE FAN (SEE SPECIFICATION #4).
ABOVE-SLAB RISER DUCT PIPE RUNS BETWEEN THE SLAB PENETRATION AND THE ROOFTOP EXHAUST
DISCHARGE WAS INSTALLED PER APPLICABLE BUILDING CODE AND AS SPECIFIED IN THE
CONSTRUCTION DOCUMENTS AND DRAWINGS.
4. RISER DUCT PIPING EXTENDS IN A VERTICAL ORIENTATION THROUGH THE BUILDING ROOF AND
TERMINATES A MINIMUM OF 2 FT ABOVE ANY WALLS, PARAPETS, ETC. IN THE VICINITY OF THE
RISER/FAN. AN EMPIRE MODEL TV04SS TURBINE VENTILATOR FAN WAS INSTALLED ON THE EXHAUST
DISCHARGE END OF EACH MINIMUM OF 10 FT FROM ANY OPERABLE OPENING OR AIR INTAKE INTO THE
BUILDING. NOTE THAT DISCHARGE LOCATIONS ON THE ROOFTOP DEPICTED IN THE VAPOR
MITIGATION PLAN MAY HAVE BEEN REPOSITIONED AS LONG AS THE NEW POSITION MET THE
REQUIREMENTS PRESENTED ABOVE. A 4-INCH COUPLING WAS INSTALLED AT THE DISCHARGE END OF
THE 4-INCH RISER DUCT PIPE AND THE FAN IS SECURED TO THE PVC RISER IN A VERTICAL
ORIENTATION. AN ELECTRICAL JUNCTION BOX (120V, 60HZ AC REQUIRED) WAS INSTALLED NEAR THE
FAN LOCATION ON THE ROOFTOP FOR CONVERSION TO ELECTRIC FANS, IF REQUIRED. ALL WIRING
AND ELECTRICAL WAS INSTALLED PER APPLICABLE BUILDING AND ELECTRICAL CODES.
5. ABOVE-SLAB ACCESSIBLE RISER DUCT PIPING IS PERMANENTLY IDENTIFIED BY MEANS OF A TAG OR
STENCIL AT A MINIMUM OF ONCE EVERY 10-LINEAR FT WITH "VAPOR MITIGATION SYSTEM - CONTACT
MAINTENANCE.”
6. MONITORING POINTS CONSIST OF 2-INCH DIAMETER SCH 40 PVC PIPE WITH A 90-DEGREE ELBOW TO
FORM AN "L" SHAPE. A MINIMUM OF 6" SECTION OF PIPING IS SET WITHIN THE BASE COURSE LAYERWITH AN OPEN-ENDED PIPE OR PIPE PROTECTION SCREEN AT THE TERMINATION. THE PIPE
TERMINATION IS ENCASED WITHIN THE BASE COURSE LAYER. THE HORIZONTAL PIPING WAS SLOPEDA MINIMUM OF 1/8 UNIT VERTICAL BY 12 UNITS HORIZONTAL (1% SLOPE) TO GRAVITY DRAIN TOWARDS
THE PIPE TERMINATION AND PREVENT MOISTURE FROM COLLECTING AT THE 90-DEGREE ELBOW. A
4-INCH DIAMETER ADJUSTABLE FLOOR CLEAN-OUT (ZURN INDUSTRIES MODEL #CO2450-PV4, OR
EQUIVALENT) WAS INSTALLED AND SET FLUSH WITH THE FINISHED CONCRETE SURFACE. MONITORING
POINT INTAKE IS A MINIMUM 5-FT FROM EXTERIOR FOOTING.
7. THIS VIMS PLAN WAS INTENDED TO BE USED FOR DIRECTION OF VIMS COMPONENT INSTALLATION
ONLY AND WAS NOT INTENDED TO GUIDE CONSTRUCTION OF STRUCTURAL COMPONENTS NOT
RELATED TO THE VIMS. CONSTRUCTION CONTRACTOR VERIFIED CONSISTENCY OF VIMS DETAILS
WITH APPLICABLE STRUCTURAL, ARCHITECTURAL, MECHANICAL, AND PLUMBING PLANS AND
RESOLVED ANY INCONSISTENCIES PRIOR TO VIMS INSTALLATION.
8. INSPECTIONS: INSPECTIONS OF EACH COMPONENT OF THE VIMS WAS CONDUCTED BY THE
ENGINEER, OR ENGINEER'S DESIGNEE, TO CONFIRM VIMS COMPONENTS WERE INSTALLED PER THE
APPROVED DESIGN. THE REQUIRED INSPECTION COMPONENTS INCLUDED: (1) INSPECTION OF
SUB-SLAB PIPING LAYOUT, (2) GRAVEL PLACEMENT, AND (3) MONITORING POINT PLACEMENT PRIOR
TO INSTALLING VAPOR BARRIER; (4) INSPECTION OF VAPOR BARRIER PRIOR TO POURING CONCRETE;
(5) INSPECTION OF ABOVE-GRADE PIPING LAYOUT; AND (6) INSPECTION OF TURBINE FANS AND RISER
DUCT PIPE CONNECTIONS. INSPECTIONS WERE COMBINED WHEN POSSIBLE DEPENDING ON THE
CONSTRUCTION SEQUENCE/SCHEDULE. THE CONSTRUCTION CONTRACTOR(S) COORDINATED WITH
THE ENGINEER TO PERFORM THE REQUIRED INSPECTIONS. DEQ WAS CONTACTED 48-HOURS PRIOR
TO THE INSPECTION BEING CONDUCTED. FIELD NOTES, PHOTOGRAPHS, AND ANY ADDITIONAL
INSPECTION DOCUMENTATION ARE INCLUDED IN THE FINAL DELIVERABLE TO DEQ.
9. CONSTRUCTION CONTRACTORS AND SUB-CONTRACTORS USED "LOW OR NO VOC" PRODUCTS AND
MATERIALS, WHEN POSSIBLE. THE CONSTRUCTION CONTRACTOR AND SUB-CONTRACTORS PROVIDED
SAFETY DATA SHEETS (SDS) TO THE ENGINEER FOR PRODUCTS AND MATERIALS USED DURING
CONSTRUCTION. SDS SHEETS ARE INCLUDED IN FINAL REPORTING TO DEQ.
10. CONSTRUCTION CONTRACTORS AND SUB-CONTRACTORS AVOIDED THE USE OF TEMPORARY FORM
BOARDS OR HOLLOW PIPING (TYPICALLY USED TO SUPPORT UTILITIES PRIOR TO SLAB POURS) THAT
PENETRATE THE VAPOR BARRIER WHERE POSSIBLE. IF TEMPORARY FORM BOARDS WERE USED, THE
SIZE AND NUMBER OF PENETRATIONS THROUGH THE VAPOR BARRIER WERE LIMITED AND SMALL
DIAMETER STAKES (I.E. METAL STAKES) WERE USED. IN ALL CASES, AS FORM BOARDS ARE REMOVED,
THE CONTRACTOR OR SUB-CONTRACTORS SEALED ALL PENETRATIONS IN ACCORDANCE WITH
VAPOR BARRIER MANUFACTURER INSTALLATION INSTRUCTIONS.
3/27/23
S:\AAA-Master Projects\Lischerong Enterprises and Holdings (LEH)\S. Mint St\VIMS Install Reports\1513 S Mint Upfit\Figures\VIMP-Details_As-Built.dwg, VM-2, 3/27/2023 10:09:08 AM, jlima

Appendix B
Field Sampling Forms
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D/DVWXSGDWHG+J LQFKHVRIPHUFXU\SSP SDUWVSHUPLOOLRQ1RWHVBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB6DPSOH,'7\SH9DSRU0RQLWRULQJ3RLQW&RQVWUXFWLRQ +HOLXP/HDN7HVWEŽƚĞ͗>ĞĂŬdĞƐƚZĞƋƵŝƌĞŵĞŶƚƐWĞƌEYtDsĂƉŽƌ/ŶƚƌƵƐŝŽŶ'ƵŝĚĂŶĐĞ͕ůĞĂŬƚĞƐƚƉĂƐƐĞƐŝĨŚĞůŝƵŵĐŽŶĐĞŶƚƌĂƚŝŽŶŝŶƉƵƌŐĞĂŝƌŝƐůĞƐƐƚŚĂŶϭϬйŽĨŚĞůŝƵŵĐŽŶĐĞŶƚƌĂƚŝŽŶŝŶƐŚƌŽƵĚ͘/ OHQJWKRIWXELQJSLSHIWD IRUGLDPHWHU/IWD IRUGLDPHWHU/IW͗ͰhƐĞƌƐͰŵǀĂǁƚĞƌͰƌŽƉďŽdžͰLJKƚŚĞƌͰ&ŽƌŵĚŝƚƐͰ/YͲ^^sͰsĂƉŽƌ^ĂŵƉůŝŶŐ&ŽƌŵƐͺsϲ͘Ϭ^ƵďͲ^ůĂďͬ^Žŝů'ĂƐ^ĂŵƉůŝŶŐsĂƉŽƌ/ŶƐƚĂůůĂƚŝŽŶ&ŝĞůĚ&Žƌŵ,ĂƌƚΘ,ŝĐŬŵĂŶ͕WLEH-004 JL70s F & sunnyMP-35896SS Perm. Conc. 4 Gravel NAFull10/5/23 09:0872 Pump 12.0 15.6 0 ppm Yes16240MP-6/MP-DUP5978/5935SS Perm. Conc. 4 Gravel NAFull11/8/23 10:5474 Pump 12.0 15.2 0 ppm Yes13139
&Žƌŵ^sͲϮ6XE6ODE6RLO*DV9DSRU6DPSOLQJ)LHOG)RUP3URMHFW1RBBBBBBBBBBBBBBBBBBB 6DPSOHUBBBBBBBBBBBBBBBBBBBBBB :HDWKHUBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB'DWH3URSRVHG6DPSOLQJ'XUDWLRQ7LPH&DQLVWHU3UHVVXUH2XWGRRU7HPSHUDWXUH2XWGRRU+XPLGLW\,QGRRU7HPSHUDWXUH,QGRRU+XPLGLW\PPGG\\ 0LQXWHV KU +JR)R)^͗%HJLQQLQJ͗0LGGOHZ͗(QG^͗%HJLQQLQJ͗0LGGOHZ͗(QG^͗%HJLQQLQJ͗0LGGOHZ͗(QG^͗%HJLQQLQJ͗0LGGOHZ͗(QG^͗%HJLQQLQJ͗0LGGOHZ͗(QG^͗%HJLQQLQJ͗0LGGOHZ͗(QG6 VDPSOH,'& FDQLVWHU,'5 UHJXODWRU,'66 VXEVODE6* VRLOJDV3HUP SHUPDQHQW7HPS WHPSRUDU\/DVWXSGDWHG+J LQFKHVRIPHUFXU\1RWHVBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB^ŝnjĞ͗&ůŽǁZĂƚĞ͗^ŝnjĞ͗&ůŽǁZĂƚĞ͗6DPSOH,'^ŝnjĞ͗&ůŽǁZĂƚĞ͗^ŝnjĞ͗&ůŽǁZĂƚĞ͗^ŝnjĞ͗&ůŽǁZĂƚĞ͗^ŝnjĞ͗&ůŽǁZĂƚĞ͗6DPSOLQJ,QIRUPDWLRQ ,QGRRU3DUDPHWHUV2XWGRRU3DUDPHWHUV6DPSOLQJ3HULRGEŽƚĞ͗WĞƌEYtDsĂƉŽƌ/ŶƚƌƵƐŝŽŶ'ƵŝĚĂŶĐĞ͕ƐŚƵƚͲŝŶƚĞƐƚĂŶĚŚĞůŝƵŵůĞĂŬĐŚĞĐŬŵƵƐƚďĞƉĂƐƐĞĚďĞĨŽƌĞƐĂŵƉůŝŶŐ͗͘ͰhƐĞƌƐͰŵǀĂǁƚĞƌͰƌŽƉďŽdžͰLJKƚŚĞƌͰ&ŽƌŵĚŝƚƐͰ/YͲ^^sͰsĂƉŽƌ^ĂŵƉůŝŶŐ&ŽƌŵƐͺsϲ͘Ϭ^ƵďͲ^ůĂďͬ^Žŝů'ĂƐ^ĂŵƉůŝŶŐsĂƉŽƌ^ĂŵƉůŝŶŐ&ŝĞůĚ&Žƌŵ,ĂƌƚΘ,ŝĐŬŵĂŶ͕WLEH-004JL70s F & sunnyMP-31 L589610/5/2310100 mL/min09:27 -1772 50 521624009:32 -509:22 -2867MP-6/MP-DUP1 L11:00 -285978/593511/8/231011:05 -1774 46 68 51200 mL/min1313911:10 -5

Appendix C
Laboratory Analytical Report

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

10/12/2023
Hart & Hickman (Charlotte) Juliana Lima
2923 South Tryon St. Ste 100 Charlotte, NC, 28203
Ref: Analytical Testing
Lab Report Number: 23-278-0006 Client Project Description: LEH-004
Dear Juliana Lima:
Waypoint Analytical, LLC (Charlotte) received sample(s) on 10/5/2023 for the analyses presented in the
following report.
The above referenced project has been analyzed per your instructions. The analyses were performed in accordance with the applicable analytical method.
The analytical data has been validated using standard quality control measures performed as required by the
analytical method. Quality Assurance, method validations, instrumentation maintenance and calibration for all parameters were performed in accordance with guidelines established by the USEPA (including 40 CFR 136
Method Update Rule May 2021) unless otherwise indicated. Certain parameters (chlorine, pH, dissolved oxygen, sulfite...) are required to be analyzed within 15 minutes of sampling. Usually, but not always, any field parameter analyzed at the laboratory is outside of this holding time.
Refer to sample analysis time for confirmation of holding time compliance.
The results are shown on the attached Report of Analysis(s). Results for solid matrices are reported on an as-received basis unless otherwise indicated. This report shall not be reproduced except in full and relates only to
the samples included in this report. Please do not hesitate to contact me or client services if you have any questions or need additional information. Sincerely,
Angela D Overcash Senior Project Manager
Page 1 of 14
Certification Summary
Laboratory ID: WP CNC: Waypoint Analytical Carolina, Inc. (C), Charlotte, NC
State Program Lab ID Expiration Date
07/31/202437735State ProgramNorth Carolina
12/31/2023402State ProgramNorth Carolina
07/31/202499012State ProgramSouth Carolina
12/31/202399012State ProgramSouth Carolina
Page 1 of 1 00016/23-278-0006
Page 2 of 14
Report Number:
Sample Summary Table
Client Project Description:
23-278-0006
LEH-004
Lab No Client Sample ID Matrix Date Collected Date Received
10/05/2023 09:22Air 96905 MP-3 10/05/2023 11:00
Page 3 of 14
Summary of Detected Analytes
QualifiersAnalyzedUnitsResult
Report Number:
Client Sample ID
Method Parameters
Lab Sample ID
23-278-0006
Report Limit
Project:LEH-004
V 96905MP-3
50.6 10/10/2023 14:58TO-15 Acetone µg/m3 0.202
J1.25 10/10/2023 14:58TO-15 Benzene µg/m3 0.073
12.2 10/10/2023 14:58TO-15 Chloroform µg/m3 0.086
3.71 10/10/2023 14:58TO-15 Dichlorodifluoromethane µg/m3 0.134
J1.09 10/10/2023 14:58TO-15 Ethylbenzene µg/m3 0.106
J1.94 10/10/2023 14:58TO-15 Heptane µg/m3 0.143
1.94 10/10/2023 14:58TO-15 n-Hexane µg/m3 0.047
B8.39 10/10/2023 14:58TO-15 Isopropyl Alcohol µg/m3 0.139
51.6 10/10/2023 14:58TO-15 Methyl Ethyl Ketone (MEK)µg/m3 0.224
J0.565 10/10/2023 14:58TO-15 4-Methyl-2-Pentanone µg/m3 0.121
5.99 10/10/2023 14:58TO-15 Methylene Chloride µg/m3 0.488
J0.719 10/10/2023 14:58TO-15 Styrene µg/m3 0.124
60.2 10/10/2023 14:58TO-15 Tetrachloroethene µg/m3 0.181
14.5 10/10/2023 14:58TO-15 Tetrahydrofuran µg/m3 0.107
6.34 10/10/2023 14:58TO-15 Toluene µg/m3 0.090
J1.40 10/10/2023 14:58TO-15 Trichloroethene µg/m3 0.199
J2.75 10/10/2023 14:58TO-15 Trichlorofluoromethane µg/m3 0.130
J1.14 10/10/2023 14:58TO-15 1,2,4-Trimethylbenzene µg/m3 0.110
J0.363 10/10/2023 14:58TO-15 1,3,5-Trimethylbenzene µg/m3 0.236
J1.29 10/10/2023 14:58TO-15 o-Xylene µg/m3 0.157
J3.23 10/10/2023 14:58TO-15 m,p-Xylene µg/m3 0.217
J4.52 10/10/2023 14:58TO-15 Xylene (Total)µg/m3 0.157
Page 4 of 14
,
REPORT OF ANALYSISReport Number :
Project
Information :
NC 28203
23-278-0006
01102
Hart & Hickman (Charlotte)
2923 South Tryon St. Ste 100
Juliana Lima
Charlotte
Received : 10/05/2023
LEH-004
Report Date : 10/12/2023
Sample ID :
Lab No :
Sampled:MP-3
96905 Matrix:
10/5/2023 9:22
Air
Analytical Method:
Prep Method:
Test Results Units MDL MQL By Analytical
Batch
Date / Time
Analyzed
DF
TO-15 Prep
TO-15 Prep Batch(es):V38947 10/10/23 09:00
50.6 µg/m3 0.202 4.75Acetone 1 10/10/23 14:58 V38948ENM
1.25 J µg/m3 0.073 1.60Benzene 1 10/10/23 14:58 V38948ENM
<0.147 µg/m3 0.147 10.4Benzyl Chloride 1 10/10/23 14:58 V38948ENM
<0.150 µg/m3 0.150 3.35Bromodichloromethane 1 10/10/23 14:58 V38948ENM
<0.153 µg/m3 0.153 5.17Bromoform 1 10/10/23 14:58 V38948ENM
<0.115 µg/m3 0.115 1.94Bromomethane 1 10/10/23 14:58 V38948ENM
<0.328 µg/m3 0.328 1.111,3-Butadiene 1 10/10/23 14:58 V38948ENM
<0.060 µg/m3 0.060 6.23Carbon Disulfide 1 10/10/23 14:58 V38948ENM
<0.155 µg/m3 0.155 3.15
Carbon Tetrachloride 1 10/10/23 14:58 V38948ENM
<0.107 µg/m3 0.107 2.30Chlorobenzene 1 10/10/23 14:58 V38948ENM
<0.208 µg/m3 0.208 4.26Chlorodibromomethane 1 10/10/23 14:58 V38948ENM
<0.164 µg/m3 0.164 1.32Chloroethane 1 10/10/23 14:58 V38948ENM
12.2 µg/m3 0.086 2.44Chloroform 1 10/10/23 14:58 V38948ENM
<0.067 µg/m3 0.067 1.03Chloromethane 1 10/10/23 14:58 V38948ENM
<0.161 µg/m3 0.161 3.44Cyclohexane 1 10/10/23 14:58 V38948ENM
<0.151 µg/m3 0.151 3.84
1,2-Dibromoethane 1 10/10/23 14:58 V38948ENM
<0.096 µg/m3 0.096 3.011,2-Dichlorobenzene 1 10/10/23 14:58 V38948ENM
<0.174 µg/m3 0.174 12.01,3-Dichlorobenzene 1 10/10/23 14:58 V38948ENM
<0.186 µg/m3 0.186 3.011,4-Dichlorobenzene 1 10/10/23 14:58 V38948ENM
3.71 µg/m3 0.134 2.47Dichlorodifluoromethane 1 10/10/23 14:58 V38948ENM
<0.101 µg/m3 0.101 2.021,1-Dichloroethane 1 10/10/23 14:58 V38948ENM
<0.129 µg/m3 0.129 2.021,2-Dichloroethane 1 10/10/23 14:58 V38948ENM
Qualifiers/
Definitions
Dilution FactorDFAnalyte detected in blankB
Method Quantitation LimitMQLEstimated valueJ
Page 5 of 14
,
REPORT OF ANALYSISReport Number :
Project
Information :
NC 28203
23-278-0006
01102
Hart & Hickman (Charlotte)
2923 South Tryon St. Ste 100
Juliana Lima
Charlotte
Received : 10/05/2023
LEH-004
Report Date : 10/12/2023
Sample ID :
Lab No :
Sampled:MP-3
96905 Matrix:
10/5/2023 9:22
Air
Analytical Method:
Prep Method:
Test Results Units MDL MQL By Analytical
Batch
Date / Time
Analyzed
DF
TO-15 Prep
TO-15 Prep Batch(es):V38947 10/10/23 09:00
<0.107 µg/m3 0.107 1.981,1-Dichloroethene 1 10/10/23 14:58 V38948ENM
<0.095 µg/m3 0.095 1.98cis-1,2-Dichloroethene 1 10/10/23 14:58 V38948ENM
<0.108 µg/m3 0.108 1.98trans-1,2-Dichloroethene 1 10/10/23 14:58 V38948ENM
<0.205 µg/m3 0.205 2.311,2-Dichloropropane 1 10/10/23 14:58 V38948ENM
<0.622 µg/m3 0.622 3.501,2-Dichlorotetrafluoroethane 1 10/10/23 14:58 V38948ENM
<0.178 µg/m3 0.178 2.27cis-1,3-Dichloropropene 1 10/10/23 14:58 V38948ENM
<0.178 µg/m3 0.178 2.27trans-1,3-Dichloropropene 1 10/10/23 14:58 V38948ENM
<0.435 µg/m3 0.435 1.801,4-Dioxane 1 10/10/23 14:58 V38948ENM
<0.136 µg/m3 0.136 1.80
Ethyl Acetate 1 10/10/23 14:58 V38948ENM
1.09 J µg/m3 0.106 2.17Ethylbenzene 1 10/10/23 14:58 V38948ENM
<0.128 µg/m3 0.128 2.464-Ethyltoluene 1 10/10/23 14:58 V38948ENM
<0.561 µg/m3 0.561 3.831,1,2-Trichloro-1,2,2-trifluoroethane 1 10/10/23 14:58 V38948ENM
1.94 J µg/m3 0.143 2.05Heptane 1 10/10/23 14:58 V38948ENM
<0.330 µg/m3 0.330 5.33Hexachlorobutadiene 1 10/10/23 14:58 V38948ENM
1.94 µg/m3 0.047 1.76n-Hexane 1 10/10/23 14:58 V38948ENM
<0.285 µg/m3 0.285 2.05
2-Hexanone 1 10/10/23 14:58 V38948ENM
8.39 B µg/m3 0.139 4.92Isopropyl Alcohol 1 10/10/23 14:58 V38948ENM
51.6 µg/m3 0.224 1.47Methyl Ethyl Ketone (MEK)1 10/10/23 14:58 V38948ENM
<0.033 µg/m3 0.033 1.80Methyl tert-butyl ether (MTBE)1 10/10/23 14:58 V38948ENM
0.565 J µg/m3 0.121 2.054-Methyl-2-Pentanone 1 10/10/23 14:58 V38948ENM
5.99 µg/m3 0.488 1.74Methylene Chloride 1 10/10/23 14:58 V38948ENM
<0.183 µg/m3 0.183 2.62Naphthalene 1 10/10/23 14:58 V38948ENM
Qualifiers/
Definitions
Dilution FactorDFAnalyte detected in blankB
Method Quantitation LimitMQLEstimated valueJ
Page 6 of 14
,
REPORT OF ANALYSISReport Number :
Project
Information :
NC 28203
23-278-0006
01102
Hart & Hickman (Charlotte)
2923 South Tryon St. Ste 100
Juliana Lima
Charlotte
Received : 10/05/2023
LEH-004
Report Date : 10/12/2023
Sample ID :
Lab No :
Sampled:MP-3
96905 Matrix:
10/5/2023 9:22
Air
Analytical Method:
Prep Method:
Test Results Units MDL MQL By Analytical
Batch
Date / Time
Analyzed
DF
TO-15 Prep
TO-15 Prep Batch(es):V38947 10/10/23 09:00
<0.242 µg/m3 0.242 0.860Propene 1 10/10/23 14:58 V38948ENM
0.719 J µg/m3 0.124 2.13Styrene 1 10/10/23 14:58 V38948ENM
<0.104 µg/m3 0.104 3.431,1,2,2-Tetrachloroethane 1 10/10/23 14:58 V38948ENM
60.2 µg/m3 0.181 3.39Tetrachloroethene 1 10/10/23 14:58 V38948ENM
14.5 µg/m3 0.107 1.47Tetrahydrofuran 1 10/10/23 14:58 V38948ENM
6.34 µg/m3 0.090 1.88Toluene 1 10/10/23 14:58 V38948ENM
<0.209 µg/m3 0.209 3.711,2,4-Trichlorobenzene 1 10/10/23 14:58 V38948ENM
<0.144 µg/m3 0.144 2.731,1,1-Trichloroethane 1 10/10/23 14:58 V38948ENM
<0.087 µg/m3 0.087 2.73
1,1,2-Trichloroethane 1 10/10/23 14:58 V38948ENM
1.40 J µg/m3 0.199 2.15Trichloroethene 1 10/10/23 14:58 V38948ENM
2.75 J µg/m3 0.130 2.81Trichlorofluoromethane 1 10/10/23 14:58 V38948ENM
1.14 J µg/m3 0.110 2.461,2,4-Trimethylbenzene 1 10/10/23 14:58 V38948ENM
0.363 J µg/m3 0.236 2.461,3,5-Trimethylbenzene 1 10/10/23 14:58 V38948ENM
<0.224 µg/m3 0.224 1.76Vinyl Acetate 1 10/10/23 14:58 V38948ENM
<0.127 µg/m3 0.127 1.28Vinyl Chloride 1 10/10/23 14:58 V38948ENM
1.29 J
µg/m3 0.157 2.17
o-Xylene 1 10/10/23 14:58 V38948ENM
3.23 J µg/m3 0.217 5.65m,p-Xylene 1 10/10/23 14:58 V38948ENM
4.52 J µg/m3 0.157 2.17Xylene (Total)1 10/10/23 14:58 V38948
Surrogate: 4-Bromofluorobenzene 76.0 Limits: 70-130%10/10/23 14:581 ENM V38948
Qualifiers/
Definitions
Dilution FactorDFAnalyte detected in blankB
Method Quantitation LimitMQLEstimated valueJ
Page 7 of 14
Quality Control Data
23-278-0006Report No:
Project Description:
Client ID:Hart & Hickman (Charlotte)
LEH-004
QC Prep Batch Method:
Volatile Organic Compounds in Air- GC/MS
TO-15
V38948QC Analytical Batch(es):
Analysis Method:
Analysis Description:
TO-15 Prep
QC Prep:V38947
Associated Lab Samples: 96905
LRB-V38947 Matrix: AIRLab Reagent Blank
Parameter
AnalyzedMQLMDLBlank
ResultUnits
%
Recovery
% Rec
Limits
10/10/23 13:294.750.2021.92µg/m3Acetone
10/10/23 13:291.600.073<0.073µg/m3Benzene
10/10/23 13:2910.40.147<0.147µg/m3Benzyl Chloride
10/10/23 13:293.350.150<0.150µg/m3Bromodichloromethane
10/10/23 13:295.170.153<0.153µg/m3Bromoform
10/10/23 13:291.940.115<0.115µg/m3Bromomethane
10/10/23 13:291.110.328<0.328µg/m31,3-Butadiene
10/10/23 13:296.230.060<0.060µg/m3Carbon Disulfide
10/10/23 13:293.150.155<0.155µg/m3Carbon Tetrachloride
10/10/23 13:292.300.107<0.107µg/m3Chlorobenzene
10/10/23 13:294.260.208<0.208µg/m3Chlorodibromomethane
10/10/23 13:291.320.164<0.164µg/m3Chloroethane
10/10/23 13:292.440.086<0.086µg/m3Chloroform
10/10/23 13:291.030.067<0.067µg/m3Chloromethane
10/10/23 13:293.440.161<0.161µg/m3Cyclohexane
10/10/23 13:293.840.151<0.151µg/m31,2-Dibromoethane
10/10/23 13:293.010.096<0.096µg/m31,2-Dichlorobenzene
10/10/23 13:2912.00.174<0.174µg/m31,3-Dichlorobenzene
10/10/23 13:293.010.186<0.186µg/m31,4-Dichlorobenzene
10/10/23 13:292.470.134<0.134µg/m3Dichlorodifluoromethane
10/10/23 13:292.020.101<0.101µg/m31,1-Dichloroethane
10/10/23 13:292.020.129<0.129µg/m31,2-Dichloroethane
10/10/23 13:291.980.107<0.107µg/m31,1-Dichloroethene
10/10/23 13:291.980.095<0.095µg/m3cis-1,2-Dichloroethene
10/10/23 13:291.980.108<0.108µg/m3trans-1,2-Dichloroethene
10/10/23 13:292.310.205<0.205µg/m31,2-Dichloropropane
10/10/23 13:293.500.622<0.622µg/m31,2-Dichlorotetrafluoroethane
Page 1 of 5Date:10/12/2023 01:25 PM
Page 8 of 14
Quality Control Data
23-278-0006Report No:
Project Description:
Client ID:Hart & Hickman (Charlotte)
LEH-004
QC Prep Batch Method:
Volatile Organic Compounds in Air- GC/MS
TO-15
V38948QC Analytical Batch(es):
Analysis Method:
Analysis Description:
TO-15 Prep
QC Prep:V38947
Associated Lab Samples: 96905
LRB-V38947 Matrix: AIRLab Reagent Blank
Parameter
AnalyzedMQLMDLBlank
ResultUnits
%
Recovery
% Rec
Limits
10/10/23 13:292.270.178<0.178µg/m3cis-1,3-Dichloropropene
10/10/23 13:292.270.178<0.178µg/m3trans-1,3-Dichloropropene
10/10/23 13:291.800.435<0.435µg/m31,4-Dioxane
10/10/23 13:291.800.136<0.136µg/m3Ethyl Acetate
10/10/23 13:292.170.106<0.106µg/m3Ethylbenzene
10/10/23 13:292.460.128<0.128µg/m34-Ethyltoluene
10/10/23 13:293.830.561<0.561µg/m31,1,2-Trichloro-1,2,2-trifluoroethane
10/10/23 13:292.050.143<0.143µg/m3Heptane
10/10/23 13:295.330.330<0.330µg/m3Hexachlorobutadiene
10/10/23 13:291.760.047<0.047µg/m3n-Hexane
10/10/23 13:292.050.285<0.285µg/m32-Hexanone
10/10/23 13:294.920.1391.67µg/m3Isopropyl Alcohol
10/10/23 13:291.470.224<0.224µg/m3Methyl Ethyl Ketone (MEK)
10/10/23 13:291.800.033<0.033µg/m3Methyl tert-butyl ether (MTBE)
10/10/23 13:292.050.121<0.121µg/m34-Methyl-2-Pentanone
10/10/23 13:291.740.488<0.488µg/m3Methylene Chloride
10/10/23 13:292.620.183<0.183µg/m3Naphthalene
10/10/23 13:290.8600.242<0.242µg/m3Propene
10/10/23 13:292.130.124<0.124µg/m3Styrene
10/10/23 13:293.430.104<0.104µg/m31,1,2,2-Tetrachloroethane
10/10/23 13:293.390.181<0.181µg/m3Tetrachloroethene
10/10/23 13:291.470.107<0.107µg/m3Tetrahydrofuran
10/10/23 13:291.880.090<0.090µg/m3Toluene
10/10/23 13:293.710.209<0.209µg/m31,2,4-Trichlorobenzene
10/10/23 13:292.730.144<0.144µg/m31,1,1-Trichloroethane
10/10/23 13:292.730.087<0.087µg/m31,1,2-Trichloroethane
10/10/23 13:292.150.199<0.199µg/m3Trichloroethene
Page 2 of 5Date:10/12/2023 01:25 PM
Page 9 of 14
Quality Control Data
23-278-0006Report No:
Project Description:
Client ID:Hart & Hickman (Charlotte)
LEH-004
QC Prep Batch Method:
Volatile Organic Compounds in Air- GC/MS
TO-15
V38948QC Analytical Batch(es):
Analysis Method:
Analysis Description:
TO-15 Prep
QC Prep:V38947
Associated Lab Samples: 96905
LRB-V38947 Matrix: AIRLab Reagent Blank
Parameter
AnalyzedMQLMDLBlank
ResultUnits
%
Recovery
% Rec
Limits
10/10/23 13:292.810.130<0.130µg/m3Trichlorofluoromethane
10/10/23 13:292.460.110<0.110µg/m31,2,4-Trimethylbenzene
10/10/23 13:292.460.236<0.236µg/m31,3,5-Trimethylbenzene
10/10/23 13:291.760.224<0.224µg/m3Vinyl Acetate
10/10/23 13:291.280.127<0.127µg/m3Vinyl Chloride
10/10/23 13:292.170.157<0.157µg/m3o-Xylene
10/10/23 13:295.650.217<0.217µg/m3m,p-Xylene
10/10/23 13:294-Bromofluorobenzene (S)77.3 70-130
LCS-V38947Laboratory Control Sample
Parameter
LCS %RecLCS
Result
Spike
Conc.Units
% Rec
Limits
11814.111.9µg/m3Acetone 70-130
90.614.516.0µg/m3Benzene 70-130
10226.325.9µg/m3Benzyl Chloride 70-130
10535.233.5µg/m3Bromodichloromethane 70-130
99.051.251.7µg/m3Bromoform 70-130
11221.819.4µg/m3Bromomethane 70-130
10812.011.1µg/m31,3-Butadiene 70-130
10917.015.6µg/m3Carbon Disulfide 70-130
11335.531.5µg/m3Carbon Tetrachloride 70-130
85.219.623.0µg/m3Chlorobenzene 70-130
10042.842.6µg/m3Chlorodibromomethane 70-130
10814.313.2µg/m3Chloroethane 70-130
10625.924.4µg/m3Chloroform 70-130
11111.410.3µg/m3Chloromethane 70-130
91.215.717.2µg/m3Cyclohexane 70-130
Page 3 of 5Date:10/12/2023 01:25 PM
Page 10 of 14
Quality Control Data
23-278-0006Report No:
Project Description:
Client ID:Hart & Hickman (Charlotte)
LEH-004
QC Prep Batch Method:
Volatile Organic Compounds in Air- GC/MS
TO-15
V38948QC Analytical Batch(es):
Analysis Method:
Analysis Description:
TO-15 Prep
QC Prep:V38947
LCS-V38947Laboratory Control Sample
Parameter
LCS %RecLCS
Result
Spike
Conc.Units
% Rec
Limits
92.435.538.4µg/m31,2-Dibromoethane 70-130
10030.230.1µg/m31,2-Dichlorobenzene 70-130
97.329.330.1µg/m31,3-Dichlorobenzene 70-130
99.630.030.1µg/m31,4-Dichlorobenzene 70-130
12731.324.7µg/m3Dichlorodifluoromethane 70-130
10922.120.2µg/m31,1-Dichloroethane 70-130
11523.220.2µg/m31,2-Dichloroethane 70-130
12124.019.8µg/m31,1-Dichloroethene 70-130
11021.819.8µg/m3cis-1,2-Dichloroethene 70-130
11322.319.8µg/m3trans-1,2-Dichloroethene 70-130
86.119.923.1µg/m31,2-Dichloropropane 70-130
11841.235.0µg/m31,2-Dichlorotetrafluoroethane 70-130
93.821.322.7µg/m3cis-1,3-Dichloropropene 70-130
93.821.322.7µg/m3trans-1,3-Dichloropropene 70-130
87.715.818.0µg/m31,4-Dioxane 70-130
10418.718.0µg/m3Ethyl Acetate 70-130
86.618.821.7µg/m3Ethylbenzene 70-130
92.622.824.6µg/m34-Ethyltoluene 70-130
11644.638.3µg/m31,1,2-Trichloro-1,2,2-trifluoroethane 70-130
87.818.020.5µg/m3Heptane 70-130
97.952.253.3µg/m3Hexachlorobutadiene 70-130
10217.917.6µg/m3n-Hexane 70-130
89.218.320.5µg/m32-Hexanone 70-130
11514.112.3µg/m3Isopropyl Alcohol 70-130
10114.914.8µg/m3Methyl Ethyl Ketone (MEK)70-130
11019.818.0µg/m3Methyl tert-butyl ether (MTBE)70-130
91.718.820.5µg/m34-Methyl-2-Pentanone 70-130
Page 4 of 5Date:10/12/2023 01:25 PM
Page 11 of 14
Quality Control Data
23-278-0006Report No:
Project Description:
Client ID:Hart & Hickman (Charlotte)
LEH-004
QC Prep Batch Method:
Volatile Organic Compounds in Air- GC/MS
TO-15
V38948QC Analytical Batch(es):
Analysis Method:
Analysis Description:
TO-15 Prep
QC Prep:V38947
LCS-V38947Laboratory Control Sample
Parameter
LCS %RecLCS
Result
Spike
Conc.Units
% Rec
Limits
10919.017.4µg/m3Methylene Chloride 70-130
12633.026.2µg/m3Naphthalene 70-130
1038.858.61µg/m3Propene 70-130
92.019.621.3µg/m3Styrene 70-130
87.430.034.3µg/m31,1,2,2-Tetrachloroethane 70-130
89.330.333.9µg/m3Tetrachloroethene 70-130
89.713.214.7µg/m3Tetrahydrofuran 70-130
88.816.718.8µg/m3Toluene 70-130
97.836.337.1µg/m31,2,4-Trichlorobenzene 70-130
11230.527.3µg/m31,1,1-Trichloroethane 70-130
92.625.327.3µg/m31,1,2-Trichloroethane 70-130
95.125.626.9µg/m3Trichloroethene 70-130
12835.928.1µg/m3Trichlorofluoromethane 70-130
97.524.024.6µg/m31,2,4-Trimethylbenzene 70-130
93.923.124.6µg/m31,3,5-Trimethylbenzene 70-130
10318.217.6µg/m3Vinyl Acetate 70-130
10914.012.8µg/m3Vinyl Chloride 70-130
95.820.821.7µg/m3o-Xylene 70-130
92.340.143.4µg/m3m,p-Xylene 70-130
86.04-Bromofluorobenzene (S)70-130
Page 5 of 5Date:10/12/2023 01:25 PM
Page 12 of 14
Fed Ex
UPS
US Postal
Client
Lab
Courier
Other :
Shipment Receipt Form
Customer Number:
Customer Name:
Report Number:23-278-0006
Hart & Hickman (Charlotte)
01102
Shipping Method
Shipping container/cooler uncompromised?
Thermometer ID:N/A
Chain of Custody (COC) present?Yes No
Yes No Not Present
Yes No Not Present
Yes No
COC agrees with sample label(s)? Yes No
COC properly completed
Samples in proper containers?
Sample containers intact?
Sufficient sample volume for indicated test(s)?
All samples received within holding time?
Cooler temperature in compliance?
Yes No
Yes No
Yes No
Yes No
Yes No
Yes NoCooler/Samples arrived at the laboratory on ice.
Samples were considered acceptable as cooling
process had begun.
Yes No
Yes No N/A
Yes No N/A
Yes No N/ASoil VOA method 5035 – compliance criteria met
Water - Sample containers properly preserved
Water - VOA vials free of headspace Yes No N/A
Trip Blanks received with VOAs
Low concentration EnCore samplers (48 hr)
High concentration pre-weighed (methanol -14 d) Low conc pre-weighed vials (Sod Bis -14 d)
High concentration container (48 hr)
Custody seals intact on shipping container/cooler?
Custody seals intact on sample bottles?
Number of coolers/boxes received
Yes No
1
Signature:Angelo Norvell Date & Time:10/05/2023 11:07:16
Special precautions or instructions included?
Comments:
Page 13 of 14
Page 14 of 14

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

11/20/2023
Hart & Hickman (Charlotte) Juliana Lima
2923 South Tryon St. Ste 100 Charlotte, NC, 28203
Ref: Analytical Testing
Lab Report Number: 23-312-0019 Client Project Description: LEH-004
Dear Juliana Lima:
Waypoint Analytical, LLC (Charlotte) received sample(s) on 11/8/2023 for the analyses presented in the
following report.
The above referenced project has been analyzed per your instructions. The analyses were performed in accordance with the applicable analytical method.
The analytical data has been validated using standard quality control measures performed as required by the
analytical method. Quality Assurance, method validations, instrumentation maintenance and calibration for all parameters were performed in accordance with guidelines established by the USEPA (including 40 CFR 136
Method Update Rule May 2021) unless otherwise indicated. Certain parameters (chlorine, pH, dissolved oxygen, sulfite...) are required to be analyzed within 15 minutes of sampling. Usually, but not always, any field parameter analyzed at the laboratory is outside of this holding time.
Refer to sample analysis time for confirmation of holding time compliance.
The results are shown on the attached Report of Analysis(s). Results for solid matrices are reported on an as-received basis unless otherwise indicated. This report shall not be reproduced except in full and relates only to
the samples included in this report. Please do not hesitate to contact me or client services if you have any questions or need additional information. Sincerely,
Angela D Overcash Senior Project Manager
Page 1 of 18
Certification Summary
Laboratory ID: WP CNC: Waypoint Analytical Carolina, Inc. (C), Charlotte, NC
State Program Lab ID Expiration Date
07/31/202437735State ProgramNorth Carolina
12/31/2023402State ProgramNorth Carolina
07/31/202499012State ProgramSouth Carolina
12/31/202399012State ProgramSouth Carolina
Page 1 of 1 00016/23-312-0019
Page 2 of 18
Report Number:
Sample Summary Table
Client Project Description:
23-312-0019
LEH-004
Lab No Client Sample ID Matrix Date Collected Date Received
11/08/2023 11:00Air 99600 MP-6 11/08/2023 11:37
11/08/2023Air 99601 MP-DUP 11/08/2023 11:37
Page 3 of 18
Summary of Detected Analytes
QualifiersAnalyzedUnitsResult
Report Number:
Client Sample ID
Method Parameters
Lab Sample ID
23-312-0019
Report Limit
Project:LEH-004
V 99600MP-6
69.5 11/17/2023 14:54TO-15 Acetone µg/m3 0.202
J0.961 11/17/2023 14:54TO-15 Benzene µg/m3 0.073
J0.978 11/17/2023 14:54TO-15 Bromodichloromethane µg/m3 0.150
J1.55 11/17/2023 14:54TO-15 Carbon Disulfide µg/m3 0.060
6.27 11/17/2023 14:54TO-15 Chloroform µg/m3 0.086
2.65 11/17/2023 14:54TO-15 Dichlorodifluoromethane µg/m3 0.134
J0.297 11/17/2023 14:54TO-15 cis-1,2-Dichloroethene µg/m3 0.095
9.42 11/17/2023 14:54TO-15 Ethyl Acetate µg/m3 0.136
J1.12 11/17/2023 14:54TO-15 Ethylbenzene µg/m3 0.106
J0.475 11/17/2023 14:54TO-15 Heptane µg/m3 0.143
J0.863 11/17/2023 14:54TO-15 n-Hexane µg/m3 0.047
JB1.89 11/17/2023 14:54TO-15 Isopropyl Alcohol µg/m3 0.139
9.97 11/17/2023 14:54TO-15 Methyl Ethyl Ketone (MEK)µg/m3 0.224
J0.294 11/17/2023 14:54TO-15 4-Methyl-2-Pentanone µg/m3 0.121
6.93 11/17/2023 14:54TO-15 Methylene Chloride µg/m3 0.488
J1.97 11/17/2023 14:54TO-15 Styrene µg/m3 0.124
34.0 11/17/2023 14:54TO-15 Tetrachloroethene µg/m3 0.181
18.8 11/17/2023 14:54TO-15 Tetrahydrofuran µg/m3 0.107
8.41 11/17/2023 14:54TO-15 Toluene µg/m3 0.090
13.2 11/17/2023 14:54TO-15 Trichloroethene µg/m3 0.199
J2.02 11/17/2023 14:54TO-15 Trichlorofluoromethane µg/m3 0.130
J1.81 11/17/2023 14:54TO-15 1,2,4-Trimethylbenzene µg/m3 0.110
J0.462 11/17/2023 14:54TO-15 1,3,5-Trimethylbenzene µg/m3 0.236
J1.57 11/17/2023 14:54TO-15 o-Xylene µg/m3 0.157
J3.82 11/17/2023 14:54TO-15 m,p-Xylene µg/m3 0.217
J5.39 11/17/2023 14:54TO-15 Xylene (Total)µg/m3 0.157
V 99601MP-DUP
74.8 11/17/2023 15:47TO-15 Acetone µg/m3 0.202
J0.833 11/17/2023 15:47TO-15 Benzene µg/m3 0.073
J0.958 11/17/2023 15:47TO-15 Bromodichloromethane µg/m3 0.150
J1.44 11/17/2023 15:47TO-15 Carbon Disulfide µg/m3 0.060
6.17 11/17/2023 15:47TO-15 Chloroform µg/m3 0.086
J2.39 11/17/2023 15:47TO-15 Dichlorodifluoromethane µg/m3 0.134
J0.313 11/17/2023 15:47TO-15 cis-1,2-Dichloroethene µg/m3 0.095
9.15 11/17/2023 15:47TO-15 Ethyl Acetate µg/m3 0.136
J1.17 11/17/2023 15:47TO-15 Ethylbenzene µg/m3 0.106
Page 4 of 18
Summary of Detected Analytes
QualifiersAnalyzedUnitsResult
Report Number:
Client Sample ID
Method Parameters
Lab Sample ID
23-312-0019
Report Limit
Project:LEH-004
V 99601MP-DUP
J0.553 11/17/2023 15:47TO-15 Heptane µg/m3 0.143
J0.933 11/17/2023 15:47TO-15 n-Hexane µg/m3 0.047
JB2.46 11/17/2023 15:47TO-15 Isopropyl Alcohol µg/m3 0.139
11.7 11/17/2023 15:47TO-15 Methyl Ethyl Ketone (MEK)µg/m3 0.224
J0.319 11/17/2023 15:47TO-15 4-Methyl-2-Pentanone µg/m3 0.121
4.29 11/17/2023 15:47TO-15 Methylene Chloride µg/m3 0.488
J2.06 11/17/2023 15:47TO-15 Styrene µg/m3 0.124
8.60 11/17/2023 15:47TO-15 Tetrachloroethene µg/m3 0.181
18.8 11/17/2023 15:47TO-15 Tetrahydrofuran µg/m3 0.107
8.35 11/17/2023 15:47TO-15 Toluene µg/m3 0.090
13.0 11/17/2023 15:47TO-15 Trichloroethene µg/m3 0.199
J1.61 11/17/2023 15:47TO-15 Trichlorofluoromethane µg/m3 0.130
J1.97 11/17/2023 15:47TO-15 1,2,4-Trimethylbenzene µg/m3 0.110
J0.486 11/17/2023 15:47TO-15 1,3,5-Trimethylbenzene µg/m3 0.236
J1.68 11/17/2023 15:47TO-15 o-Xylene µg/m3 0.157
J4.05 11/17/2023 15:47TO-15 m,p-Xylene µg/m3 0.217
J5.73 11/17/2023 15:47TO-15 Xylene (Total)µg/m3 0.157
Page 5 of 18
,
REPORT OF ANALYSISReport Number :
Project
Information :
NC 28203
23-312-0019
01102
Hart & Hickman (Charlotte)
2923 South Tryon St. Ste 100
Juliana Lima
Charlotte
Received : 11/08/2023
LEH-004
Report Date : 11/20/2023
Sample ID :
Lab No :
Sampled:MP-6
99600 Matrix:
11/8/2023 11:00
Air
Analytical Method:
Prep Method:
Test Results Units MDL MQL By Analytical
Batch
Date / Time
Analyzed
DF
TO-15 Prep
TO-15 Prep Batch(es):V40380 11/17/23 09:00
69.5 µg/m3 0.202 4.75Acetone 1 11/17/23 14:54 V40387ENM
0.961 J µg/m3 0.073 1.60Benzene 1 11/17/23 14:54 V40387ENM
<0.147 µg/m3 0.147 10.4Benzyl Chloride 1 11/17/23 14:54 V40387ENM
0.978 J µg/m3 0.150 3.35Bromodichloromethane 1 11/17/23 14:54 V40387ENM
<0.153 µg/m3 0.153 5.17Bromoform 1 11/17/23 14:54 V40387ENM
<0.115 µg/m3 0.115 1.94Bromomethane 1 11/17/23 14:54 V40387ENM
<0.328 µg/m3 0.328 1.111,3-Butadiene 1 11/17/23 14:54 V40387ENM
1.55 J µg/m3 0.060 6.23Carbon Disulfide 1 11/17/23 14:54 V40387ENM
<0.155 µg/m3 0.155 3.15
Carbon Tetrachloride 1 11/17/23 14:54 V40387ENM
<0.107 µg/m3 0.107 2.30Chlorobenzene 1 11/17/23 14:54 V40387ENM
<0.208 µg/m3 0.208 4.26Chlorodibromomethane 1 11/17/23 14:54 V40387ENM
<0.164 µg/m3 0.164 1.32Chloroethane 1 11/17/23 14:54 V40387ENM
6.27 µg/m3 0.086 2.44Chloroform 1 11/17/23 14:54 V40387ENM
<0.067 µg/m3 0.067 1.03Chloromethane 1 11/17/23 14:54 V40387ENM
<0.161 µg/m3 0.161 3.44Cyclohexane 1 11/17/23 14:54 V40387ENM
<0.151 µg/m3 0.151 3.84
1,2-Dibromoethane 1 11/17/23 14:54 V40387ENM
<0.096 µg/m3 0.096 3.011,2-Dichlorobenzene 1 11/17/23 14:54 V40387ENM
<0.174 µg/m3 0.174 12.01,3-Dichlorobenzene 1 11/17/23 14:54 V40387ENM
<0.186 µg/m3 0.186 3.011,4-Dichlorobenzene 1 11/17/23 14:54 V40387ENM
2.65 µg/m3 0.134 2.47Dichlorodifluoromethane 1 11/17/23 14:54 V40387ENM
<0.101 µg/m3 0.101 2.021,1-Dichloroethane 1 11/17/23 14:54 V40387ENM
<0.129 µg/m3 0.129 2.021,2-Dichloroethane 1 11/17/23 14:54 V40387ENM
Qualifiers/
Definitions
Dilution FactorDFAnalyte detected in blankB
Method Quantitation LimitMQLEstimated valueJ
Page 6 of 18
,
REPORT OF ANALYSISReport Number :
Project
Information :
NC 28203
23-312-0019
01102
Hart & Hickman (Charlotte)
2923 South Tryon St. Ste 100
Juliana Lima
Charlotte
Received : 11/08/2023
LEH-004
Report Date : 11/20/2023
Sample ID :
Lab No :
Sampled:MP-6
99600 Matrix:
11/8/2023 11:00
Air
Analytical Method:
Prep Method:
Test Results Units MDL MQL By Analytical
Batch
Date / Time
Analyzed
DF
TO-15 Prep
TO-15 Prep Batch(es):V40380 11/17/23 09:00
<0.107 µg/m3 0.107 1.981,1-Dichloroethene 1 11/17/23 14:54 V40387ENM
0.297 J µg/m3 0.095 1.98cis-1,2-Dichloroethene 1 11/17/23 14:54 V40387ENM
<0.108 µg/m3 0.108 1.98trans-1,2-Dichloroethene 1 11/17/23 14:54 V40387ENM
<0.205 µg/m3 0.205 2.311,2-Dichloropropane 1 11/17/23 14:54 V40387ENM
<0.622 µg/m3 0.622 3.501,2-Dichlorotetrafluoroethane 1 11/17/23 14:54 V40387ENM
<0.178 µg/m3 0.178 2.27cis-1,3-Dichloropropene 1 11/17/23 14:54 V40387ENM
<0.178 µg/m3 0.178 2.27trans-1,3-Dichloropropene 1 11/17/23 14:54 V40387ENM
<0.435 µg/m3 0.435 1.801,4-Dioxane 1 11/17/23 14:54 V40387ENM
9.42 µg/m3 0.136 1.80
Ethyl Acetate 1 11/17/23 14:54 V40387ENM
1.12 J µg/m3 0.106 2.17Ethylbenzene 1 11/17/23 14:54 V40387ENM
<0.128 µg/m3 0.128 2.464-Ethyltoluene 1 11/17/23 14:54 V40387ENM
<0.561 µg/m3 0.561 3.831,1,2-Trichloro-1,2,2-trifluoroethane 1 11/17/23 14:54 V40387ENM
0.475 J µg/m3 0.143 2.05Heptane 1 11/17/23 14:54 V40387ENM
<0.330 µg/m3 0.330 5.33Hexachlorobutadiene 1 11/17/23 14:54 V40387ENM
0.863 J µg/m3 0.047 1.76n-Hexane 1 11/17/23 14:54 V40387ENM
<0.285 µg/m3 0.285 2.05
2-Hexanone 1 11/17/23 14:54 V40387ENM
1.89 JB µg/m3 0.139 4.92Isopropyl Alcohol 1 11/17/23 14:54 V40387ENM
9.97 µg/m3 0.224 1.47Methyl Ethyl Ketone (MEK)1 11/17/23 14:54 V40387ENM
<0.033 µg/m3 0.033 1.80Methyl tert-butyl ether (MTBE)1 11/17/23 14:54 V40387ENM
0.294 J µg/m3 0.121 2.054-Methyl-2-Pentanone 1 11/17/23 14:54 V40387ENM
6.93 µg/m3 0.488 1.74Methylene Chloride 1 11/17/23 14:54 V40387ENM
<0.183 µg/m3 0.183 2.62Naphthalene 1 11/17/23 14:54 V40387ENM
Qualifiers/
Definitions
Dilution FactorDFAnalyte detected in blankB
Method Quantitation LimitMQLEstimated valueJ
Page 7 of 18
,
REPORT OF ANALYSISReport Number :
Project
Information :
NC 28203
23-312-0019
01102
Hart & Hickman (Charlotte)
2923 South Tryon St. Ste 100
Juliana Lima
Charlotte
Received : 11/08/2023
LEH-004
Report Date : 11/20/2023
Sample ID :
Lab No :
Sampled:MP-6
99600 Matrix:
11/8/2023 11:00
Air
Analytical Method:
Prep Method:
Test Results Units MDL MQL By Analytical
Batch
Date / Time
Analyzed
DF
TO-15 Prep
TO-15 Prep Batch(es):V40380 11/17/23 09:00
<0.242 µg/m3 0.242 0.860Propene 1 11/17/23 14:54 V40387ENM
1.97 J µg/m3 0.124 2.13Styrene 1 11/17/23 14:54 V40387ENM
<0.104 µg/m3 0.104 3.431,1,2,2-Tetrachloroethane 1 11/17/23 14:54 V40387ENM
34.0 µg/m3 0.181 3.39Tetrachloroethene 1 11/17/23 14:54 V40387ENM
18.8 µg/m3 0.107 1.47Tetrahydrofuran 1 11/17/23 14:54 V40387ENM
8.41 µg/m3 0.090 1.88Toluene 1 11/17/23 14:54 V40387ENM
<0.209 µg/m3 0.209 3.711,2,4-Trichlorobenzene 1 11/17/23 14:54 V40387ENM
<0.144 µg/m3 0.144 2.731,1,1-Trichloroethane 1 11/17/23 14:54 V40387ENM
<0.087 µg/m3 0.087 2.73
1,1,2-Trichloroethane 1 11/17/23 14:54 V40387ENM
13.2 µg/m3 0.199 2.15Trichloroethene 1 11/17/23 14:54 V40387ENM
2.02 J µg/m3 0.130 2.81Trichlorofluoromethane 1 11/17/23 14:54 V40387ENM
1.81 J µg/m3 0.110 2.461,2,4-Trimethylbenzene 1 11/17/23 14:54 V40387ENM
0.462 J µg/m3 0.236 2.461,3,5-Trimethylbenzene 1 11/17/23 14:54 V40387ENM
<0.224 µg/m3 0.224 1.76Vinyl Acetate 1 11/17/23 14:54 V40387ENM
<0.127 µg/m3 0.127 1.28Vinyl Chloride 1 11/17/23 14:54 V40387ENM
1.57 J
µg/m3 0.157 2.17
o-Xylene 1 11/17/23 14:54 V40387ENM
3.82 J µg/m3 0.217 5.65m,p-Xylene 1 11/17/23 14:54 V40387ENM
5.39 J µg/m3 0.157 2.17Xylene (Total)1 11/17/23 14:54 V40387
Surrogate: 4-Bromofluorobenzene 99.2 Limits: 70-130%11/17/23 14:541 ENM V40387
Qualifiers/
Definitions
Dilution FactorDFAnalyte detected in blankB
Method Quantitation LimitMQLEstimated valueJ
Page 8 of 18
,
REPORT OF ANALYSISReport Number :
Project
Information :
NC 28203
23-312-0019
01102
Hart & Hickman (Charlotte)
2923 South Tryon St. Ste 100
Juliana Lima
Charlotte
Received : 11/08/2023
LEH-004
Report Date : 11/20/2023
Sample ID :
Lab No :
Sampled:MP-DUP
99601 Matrix:
11/8/2023 0:00
Air
Analytical Method:
Prep Method:
Test Results Units MDL MQL By Analytical
Batch
Date / Time
Analyzed
DF
TO-15 Prep
TO-15 Prep Batch(es):V40380 11/17/23 09:00
74.8 µg/m3 0.202 4.75Acetone 1 11/17/23 15:47 V40387ENM
0.833 J µg/m3 0.073 1.60Benzene 1 11/17/23 15:47 V40387ENM
<0.147 µg/m3 0.147 10.4Benzyl Chloride 1 11/17/23 15:47 V40387ENM
0.958 J µg/m3 0.150 3.35Bromodichloromethane 1 11/17/23 15:47 V40387ENM
<0.153 µg/m3 0.153 5.17Bromoform 1 11/17/23 15:47 V40387ENM
<0.115 µg/m3 0.115 1.94Bromomethane 1 11/17/23 15:47 V40387ENM
<0.328 µg/m3 0.328 1.111,3-Butadiene 1 11/17/23 15:47 V40387ENM
1.44 J µg/m3 0.060 6.23Carbon Disulfide 1 11/17/23 15:47 V40387ENM
<0.155 µg/m3 0.155 3.15
Carbon Tetrachloride 1 11/17/23 15:47 V40387ENM
<0.107 µg/m3 0.107 2.30Chlorobenzene 1 11/17/23 15:47 V40387ENM
<0.208 µg/m3 0.208 4.26Chlorodibromomethane 1 11/17/23 15:47 V40387ENM
<0.164 µg/m3 0.164 1.32Chloroethane 1 11/17/23 15:47 V40387ENM
6.17 µg/m3 0.086 2.44Chloroform 1 11/17/23 15:47 V40387ENM
<0.067 µg/m3 0.067 1.03Chloromethane 1 11/17/23 15:47 V40387ENM
<0.161 µg/m3 0.161 3.44Cyclohexane 1 11/17/23 15:47 V40387ENM
<0.151 µg/m3 0.151 3.84
1,2-Dibromoethane 1 11/17/23 15:47 V40387ENM
<0.096 µg/m3 0.096 3.011,2-Dichlorobenzene 1 11/17/23 15:47 V40387ENM
<0.174 µg/m3 0.174 12.01,3-Dichlorobenzene 1 11/17/23 15:47 V40387ENM
<0.186 µg/m3 0.186 3.011,4-Dichlorobenzene 1 11/17/23 15:47 V40387ENM
2.39 J µg/m3 0.134 2.47Dichlorodifluoromethane 1 11/17/23 15:47 V40387ENM
<0.101 µg/m3 0.101 2.021,1-Dichloroethane 1 11/17/23 15:47 V40387ENM
<0.129 µg/m3 0.129 2.021,2-Dichloroethane 1 11/17/23 15:47 V40387ENM
Qualifiers/
Definitions
Dilution FactorDFAnalyte detected in blankB
Method Quantitation LimitMQLEstimated valueJ
Page 9 of 18
,
REPORT OF ANALYSISReport Number :
Project
Information :
NC 28203
23-312-0019
01102
Hart & Hickman (Charlotte)
2923 South Tryon St. Ste 100
Juliana Lima
Charlotte
Received : 11/08/2023
LEH-004
Report Date : 11/20/2023
Sample ID :
Lab No :
Sampled:MP-DUP
99601 Matrix:
11/8/2023 0:00
Air
Analytical Method:
Prep Method:
Test Results Units MDL MQL By Analytical
Batch
Date / Time
Analyzed
DF
TO-15 Prep
TO-15 Prep Batch(es):V40380 11/17/23 09:00
<0.107 µg/m3 0.107 1.981,1-Dichloroethene 1 11/17/23 15:47 V40387ENM
0.313 J µg/m3 0.095 1.98cis-1,2-Dichloroethene 1 11/17/23 15:47 V40387ENM
<0.108 µg/m3 0.108 1.98trans-1,2-Dichloroethene 1 11/17/23 15:47 V40387ENM
<0.205 µg/m3 0.205 2.311,2-Dichloropropane 1 11/17/23 15:47 V40387ENM
<0.622 µg/m3 0.622 3.501,2-Dichlorotetrafluoroethane 1 11/17/23 15:47 V40387ENM
<0.178 µg/m3 0.178 2.27cis-1,3-Dichloropropene 1 11/17/23 15:47 V40387ENM
<0.178 µg/m3 0.178 2.27trans-1,3-Dichloropropene 1 11/17/23 15:47 V40387ENM
<0.435 µg/m3 0.435 1.801,4-Dioxane 1 11/17/23 15:47 V40387ENM
9.15 µg/m3 0.136 1.80
Ethyl Acetate 1 11/17/23 15:47 V40387ENM
1.17 J µg/m3 0.106 2.17Ethylbenzene 1 11/17/23 15:47 V40387ENM
<0.128 µg/m3 0.128 2.464-Ethyltoluene 1 11/17/23 15:47 V40387ENM
<0.561 µg/m3 0.561 3.831,1,2-Trichloro-1,2,2-trifluoroethane 1 11/17/23 15:47 V40387ENM
0.553 J µg/m3 0.143 2.05Heptane 1 11/17/23 15:47 V40387ENM
<0.330 µg/m3 0.330 5.33Hexachlorobutadiene 1 11/17/23 15:47 V40387ENM
0.933 J µg/m3 0.047 1.76n-Hexane 1 11/17/23 15:47 V40387ENM
<0.285 µg/m3 0.285 2.05
2-Hexanone 1 11/17/23 15:47 V40387ENM
2.46 JB µg/m3 0.139 4.92Isopropyl Alcohol 1 11/17/23 15:47 V40387ENM
11.7 µg/m3 0.224 1.47Methyl Ethyl Ketone (MEK)1 11/17/23 15:47 V40387ENM
<0.033 µg/m3 0.033 1.80Methyl tert-butyl ether (MTBE)1 11/17/23 15:47 V40387ENM
0.319 J µg/m3 0.121 2.054-Methyl-2-Pentanone 1 11/17/23 15:47 V40387ENM
4.29 µg/m3 0.488 1.74Methylene Chloride 1 11/17/23 15:47 V40387ENM
<0.183 µg/m3 0.183 2.62Naphthalene 1 11/17/23 15:47 V40387ENM
Qualifiers/
Definitions
Dilution FactorDFAnalyte detected in blankB
Method Quantitation LimitMQLEstimated valueJ
Page 10 of 18
,
REPORT OF ANALYSISReport Number :
Project
Information :
NC 28203
23-312-0019
01102
Hart & Hickman (Charlotte)
2923 South Tryon St. Ste 100
Juliana Lima
Charlotte
Received : 11/08/2023
LEH-004
Report Date : 11/20/2023
Sample ID :
Lab No :
Sampled:MP-DUP
99601 Matrix:
11/8/2023 0:00
Air
Analytical Method:
Prep Method:
Test Results Units MDL MQL By Analytical
Batch
Date / Time
Analyzed
DF
TO-15 Prep
TO-15 Prep Batch(es):V40380 11/17/23 09:00
<0.242 µg/m3 0.242 0.860Propene 1 11/17/23 15:47 V40387ENM
2.06 J µg/m3 0.124 2.13Styrene 1 11/17/23 15:47 V40387ENM
<0.104 µg/m3 0.104 3.431,1,2,2-Tetrachloroethane 1 11/17/23 15:47 V40387ENM
8.60 µg/m3 0.181 3.39Tetrachloroethene 1 11/17/23 15:47 V40387ENM
18.8 µg/m3 0.107 1.47Tetrahydrofuran 1 11/17/23 15:47 V40387ENM
8.35 µg/m3 0.090 1.88Toluene 1 11/17/23 15:47 V40387ENM
<0.209 µg/m3 0.209 3.711,2,4-Trichlorobenzene 1 11/17/23 15:47 V40387ENM
<0.144 µg/m3 0.144 2.731,1,1-Trichloroethane 1 11/17/23 15:47 V40387ENM
<0.087 µg/m3 0.087 2.73
1,1,2-Trichloroethane 1 11/17/23 15:47 V40387ENM
13.0 µg/m3 0.199 2.15Trichloroethene 1 11/17/23 15:47 V40387ENM
1.61 J µg/m3 0.130 2.81Trichlorofluoromethane 1 11/17/23 15:47 V40387ENM
1.97 J µg/m3 0.110 2.461,2,4-Trimethylbenzene 1 11/17/23 15:47 V40387ENM
0.486 J µg/m3 0.236 2.461,3,5-Trimethylbenzene 1 11/17/23 15:47 V40387ENM
<0.224 µg/m3 0.224 1.76Vinyl Acetate 1 11/17/23 15:47 V40387ENM
<0.127 µg/m3 0.127 1.28Vinyl Chloride 1 11/17/23 15:47 V40387ENM
1.68 J
µg/m3 0.157 2.17
o-Xylene 1 11/17/23 15:47 V40387ENM
4.05 J µg/m3 0.217 5.65m,p-Xylene 1 11/17/23 15:47 V40387ENM
5.73 J µg/m3 0.157 2.17Xylene (Total)1 11/17/23 15:47 V40387
Surrogate: 4-Bromofluorobenzene 98.3 Limits: 70-130%11/17/23 15:471 ENM V40387
Qualifiers/
Definitions
Dilution FactorDFAnalyte detected in blankB
Method Quantitation LimitMQLEstimated valueJ
Page 11 of 18
Quality Control Data
23-312-0019Report No:
Project Description:
Client ID:Hart & Hickman (Charlotte)
LEH-004
QC Prep Batch Method:
Volatile Organic Compounds in Air- GC/MS
TO-15
V40387QC Analytical Batch(es):
Analysis Method:
Analysis Description:
TO-15 Prep
QC Prep:V40380
Associated Lab Samples: 99600, 99601
LRB-V40380 Matrix: AIRLab Reagent Blank
Parameter
AnalyzedMQLMDLBlank
ResultUnits
%
Recovery
% Rec
Limits
11/17/23 10:204.750.2020.847µg/m3Acetone
11/17/23 10:201.600.073<0.073µg/m3Benzene
11/17/23 10:2010.40.147<0.147µg/m3Benzyl Chloride
11/17/23 10:203.350.150<0.150µg/m3Bromodichloromethane
11/17/23 10:205.170.153<0.153µg/m3Bromoform
11/17/23 10:201.940.115<0.115µg/m3Bromomethane
11/17/23 10:201.110.328<0.328µg/m31,3-Butadiene
11/17/23 10:206.230.060<0.060µg/m3Carbon Disulfide
11/17/23 10:203.150.155<0.155µg/m3Carbon Tetrachloride
11/17/23 10:202.300.107<0.107µg/m3Chlorobenzene
11/17/23 10:204.260.208<0.208µg/m3Chlorodibromomethane
11/17/23 10:201.320.164<0.164µg/m3Chloroethane
11/17/23 10:202.440.086<0.086µg/m3Chloroform
11/17/23 10:201.030.067<0.067µg/m3Chloromethane
11/17/23 10:203.440.161<0.161µg/m3Cyclohexane
11/17/23 10:203.840.151<0.151µg/m31,2-Dibromoethane
11/17/23 10:203.010.096<0.096µg/m31,2-Dichlorobenzene
11/17/23 10:2012.00.174<0.174µg/m31,3-Dichlorobenzene
11/17/23 10:203.010.186<0.186µg/m31,4-Dichlorobenzene
11/17/23 10:202.470.134<0.134µg/m3Dichlorodifluoromethane
11/17/23 10:202.020.101<0.101µg/m31,1-Dichloroethane
11/17/23 10:202.020.129<0.129µg/m31,2-Dichloroethane
11/17/23 10:201.980.107<0.107µg/m31,1-Dichloroethene
11/17/23 10:201.980.095<0.095µg/m3cis-1,2-Dichloroethene
11/17/23 10:201.980.108<0.108µg/m3trans-1,2-Dichloroethene
11/17/23 10:202.310.205<0.205µg/m31,2-Dichloropropane
11/17/23 10:203.500.622<0.622µg/m31,2-Dichlorotetrafluoroethane
Page 1 of 5Date:11/20/2023 04:05 PM
Page 12 of 18
Quality Control Data
23-312-0019Report No:
Project Description:
Client ID:Hart & Hickman (Charlotte)
LEH-004
QC Prep Batch Method:
Volatile Organic Compounds in Air- GC/MS
TO-15
V40387QC Analytical Batch(es):
Analysis Method:
Analysis Description:
TO-15 Prep
QC Prep:V40380
Associated Lab Samples: 99600, 99601
LRB-V40380 Matrix: AIRLab Reagent Blank
Parameter
AnalyzedMQLMDLBlank
ResultUnits
%
Recovery
% Rec
Limits
11/17/23 10:202.270.178<0.178µg/m3cis-1,3-Dichloropropene
11/17/23 10:202.270.178<0.178µg/m3trans-1,3-Dichloropropene
11/17/23 10:201.800.435<0.435µg/m31,4-Dioxane
11/17/23 10:201.800.136<0.136µg/m3Ethyl Acetate
11/17/23 10:202.170.106<0.106µg/m3Ethylbenzene
11/17/23 10:202.460.128<0.128µg/m34-Ethyltoluene
11/17/23 10:203.830.561<0.561µg/m31,1,2-Trichloro-1,2,2-trifluoroethane
11/17/23 10:202.050.143<0.143µg/m3Heptane
11/17/23 10:205.330.330<0.330µg/m3Hexachlorobutadiene
11/17/23 10:201.760.047<0.047µg/m3n-Hexane
11/17/23 10:202.050.285<0.285µg/m32-Hexanone
11/17/23 10:204.920.1392.29µg/m3Isopropyl Alcohol
11/17/23 10:201.470.224<0.224µg/m3Methyl Ethyl Ketone (MEK)
11/17/23 10:201.800.033<0.033µg/m3Methyl tert-butyl ether (MTBE)
11/17/23 10:202.050.121<0.121µg/m34-Methyl-2-Pentanone
11/17/23 10:201.740.488<0.488µg/m3Methylene Chloride
11/17/23 10:202.620.183<0.183µg/m3Naphthalene
11/17/23 10:200.8600.242<0.242µg/m3Propene
11/17/23 10:202.130.124<0.124µg/m3Styrene
11/17/23 10:203.430.104<0.104µg/m31,1,2,2-Tetrachloroethane
11/17/23 10:203.390.181<0.181µg/m3Tetrachloroethene
11/17/23 10:201.470.107<0.107µg/m3Tetrahydrofuran
11/17/23 10:201.880.090<0.090µg/m3Toluene
11/17/23 10:203.710.209<0.209µg/m31,2,4-Trichlorobenzene
11/17/23 10:202.730.144<0.144µg/m31,1,1-Trichloroethane
11/17/23 10:202.730.087<0.087µg/m31,1,2-Trichloroethane
11/17/23 10:202.150.199<0.199µg/m3Trichloroethene
Page 2 of 5Date:11/20/2023 04:05 PM
Page 13 of 18
Quality Control Data
23-312-0019Report No:
Project Description:
Client ID:Hart & Hickman (Charlotte)
LEH-004
QC Prep Batch Method:
Volatile Organic Compounds in Air- GC/MS
TO-15
V40387QC Analytical Batch(es):
Analysis Method:
Analysis Description:
TO-15 Prep
QC Prep:V40380
Associated Lab Samples: 99600, 99601
LRB-V40380 Matrix: AIRLab Reagent Blank
Parameter
AnalyzedMQLMDLBlank
ResultUnits
%
Recovery
% Rec
Limits
11/17/23 10:202.810.130<0.130µg/m3Trichlorofluoromethane
11/17/23 10:202.460.110<0.110µg/m31,2,4-Trimethylbenzene
11/17/23 10:202.460.236<0.236µg/m31,3,5-Trimethylbenzene
11/17/23 10:201.760.224<0.224µg/m3Vinyl Acetate
11/17/23 10:201.280.127<0.127µg/m3Vinyl Chloride
11/17/23 10:202.170.157<0.157µg/m3o-Xylene
11/17/23 10:205.650.217<0.217µg/m3m,p-Xylene
11/17/23 10:204-Bromofluorobenzene (S)95.5 70-130
LCS-V40380Laboratory Control Sample
Parameter
LCS %RecLCS
Result
Spike
Conc.Units
% Rec
Limits
10412.411.9µg/m3Acetone 70-130
10116.116.0µg/m3Benzene 70-130
11329.225.9µg/m3Benzyl Chloride 70-130
99.433.333.5µg/m3Bromodichloromethane 70-130
99.251.351.7µg/m3Bromoform 70-130
10821.019.4µg/m3Bromomethane 70-130
10311.411.1µg/m31,3-Butadiene 70-130
11217.515.6µg/m3Carbon Disulfide 70-130
98.431.031.5µg/m3Carbon Tetrachloride 70-130
10123.223.0µg/m3Chlorobenzene 70-130
10142.942.6µg/m3Chlorodibromomethane 70-130
10614.013.2µg/m3Chloroethane 70-130
10225.024.4µg/m3Chloroform 70-130
10811.110.3µg/m3Chloromethane 70-130
10117.317.2µg/m3Cyclohexane 70-130
Page 3 of 5Date:11/20/2023 04:05 PM
Page 14 of 18
Quality Control Data
23-312-0019Report No:
Project Description:
Client ID:Hart & Hickman (Charlotte)
LEH-004
QC Prep Batch Method:
Volatile Organic Compounds in Air- GC/MS
TO-15
V40387QC Analytical Batch(es):
Analysis Method:
Analysis Description:
TO-15 Prep
QC Prep:V40380
LCS-V40380Laboratory Control Sample
Parameter
LCS %RecLCS
Result
Spike
Conc.Units
% Rec
Limits
10239.238.4µg/m31,2-Dibromoethane 70-130
10932.930.1µg/m31,2-Dichlorobenzene 70-130
11033.130.1µg/m31,3-Dichlorobenzene 70-130
11133.330.1µg/m31,4-Dichlorobenzene 70-130
10726.424.7µg/m3Dichlorodifluoromethane 70-130
10922.020.2µg/m31,1-Dichloroethane 70-130
10120.520.2µg/m31,2-Dichloroethane 70-130
11021.719.8µg/m31,1-Dichloroethene 70-130
10921.619.8µg/m3cis-1,2-Dichloroethene 70-130
10821.419.8µg/m3trans-1,2-Dichloroethene 70-130
99.523.023.1µg/m31,2-Dichloropropane 70-130
10938.035.0µg/m31,2-Dichlorotetrafluoroethane 70-130
10123.022.7µg/m3cis-1,3-Dichloropropene 70-130
10022.822.7µg/m3trans-1,3-Dichloropropene 70-130
95.017.118.0µg/m31,4-Dioxane 70-130
10118.218.0µg/m3Ethyl Acetate 70-130
93.020.221.7µg/m3Ethylbenzene 70-130
10525.924.6µg/m34-Ethyltoluene 70-130
10841.238.3µg/m31,1,2-Trichloro-1,2,2-trifluoroethane 70-130
97.520.020.5µg/m3Heptane 70-130
90.948.553.3µg/m3Hexachlorobutadiene 70-130
10418.317.6µg/m3n-Hexane 70-130
96.519.820.5µg/m32-Hexanone 70-130
10312.712.3µg/m3Isopropyl Alcohol 70-130
10014.814.8µg/m3Methyl Ethyl Ketone (MEK)70-130
10719.218.0µg/m3Methyl tert-butyl ether (MTBE)70-130
94.619.420.5µg/m34-Methyl-2-Pentanone 70-130
Page 4 of 5Date:11/20/2023 04:05 PM
Page 15 of 18
Quality Control Data
23-312-0019Report No:
Project Description:
Client ID:Hart & Hickman (Charlotte)
LEH-004
QC Prep Batch Method:
Volatile Organic Compounds in Air- GC/MS
TO-15
V40387QC Analytical Batch(es):
Analysis Method:
Analysis Description:
TO-15 Prep
QC Prep:V40380
LCS-V40380Laboratory Control Sample
Parameter
LCS %RecLCS
Result
Spike
Conc.Units
% Rec
Limits
10618.417.4µg/m3Methylene Chloride 70-130
11129.126.2µg/m3Naphthalene 70-130
99.18.548.61µg/m3Propene 70-130
10422.121.3µg/m3Styrene 70-130
10536.134.3µg/m31,1,2,2-Tetrachloroethane 70-130
97.633.133.9µg/m3Tetrachloroethene 70-130
95.914.114.7µg/m3Tetrahydrofuran 70-130
98.418.518.8µg/m3Toluene 70-130
10739.837.1µg/m31,2,4-Trichlorobenzene 70-130
99.227.127.3µg/m31,1,1-Trichloroethane 70-130
10328.227.3µg/m31,1,2-Trichloroethane 70-130
97.026.126.9µg/m3Trichloroethene 70-130
10830.328.1µg/m3Trichlorofluoromethane 70-130
10926.824.6µg/m31,2,4-Trimethylbenzene 70-130
10726.424.6µg/m31,3,5-Trimethylbenzene 70-130
10919.117.6µg/m3Vinyl Acetate 70-130
10613.612.8µg/m3Vinyl Chloride 70-130
10322.321.7µg/m3o-Xylene 70-130
10244.143.4µg/m3m,p-Xylene 70-130
1014-Bromofluorobenzene (S)70-130
Page 5 of 5Date:11/20/2023 04:05 PM
Page 16 of 18
Fed Ex
UPS
US Postal
Client
Lab
Courier
Other :
Shipment Receipt Form
Customer Number:
Customer Name:
Report Number:23-312-0019
Hart & Hickman (Charlotte)
01102
Shipping Method
Shipping container/cooler uncompromised?
Thermometer ID:N/A
Chain of Custody (COC) present?Yes No
Yes No Not Present
Yes No Not Present
Yes No
COC agrees with sample label(s)? Yes No
COC properly completed
Samples in proper containers?
Sample containers intact?
Sufficient sample volume for indicated test(s)?
All samples received within holding time?
Cooler temperature in compliance?
Yes No
Yes No
Yes No
Yes No
Yes No
Yes NoCooler/Samples arrived at the laboratory on ice.
Samples were considered acceptable as cooling
process had begun.
Yes No
Yes No N/A
Yes No N/A
Yes No N/ASoil VOA method 5035 – compliance criteria met
Water - Sample containers properly preserved
Water - VOA vials free of headspace Yes No N/A
Trip Blanks received with VOAs
Low concentration EnCore samplers (48 hr)
High concentration pre-weighed (methanol -14 d) Low conc pre-weighed vials (Sod Bis -14 d)
High concentration container (48 hr)
Custody seals intact on shipping container/cooler?
Custody seals intact on sample bottles?
Number of coolers/boxes received
Yes No
1
Signature:Angelo Norvell Date & Time:11/08/2023 15:40:06
Special precautions or instructions included?
Comments:
Page 17 of 18
Page 18 of 18

Appendix D
DEQ Risk Calculators
Version Date:
Basis:
Site Name:
Site Address:
DEQ Section:
Site ID:
Exposure Unit ID:
Submittal Date:
Reviewed By:
11/21/2023
Prepared By:Hart & Hickman
Sub-Slab Worst Case MP-3
North Carolina Department of Environmental Quality
Risk Calculator
Quality Products Co. Brownfields Site
1515 S. Mint Street, Charlotte, NC
DWM Brownfields Redevelopment Section
22016-18-060
July 2023
May 2023 EPA RSL Table
North Carolina DEQ Risk Calculator
Table of Contents
Version Date: July 2023
Basis: May 2023 EPA RSL Table
Site ID: 22016-18-060
Exposure Unit ID: Sub-Slab Worst Case MP-3
Form No.
Input Form 1A Complete Exposure Pathways
Input Form 1B Exposure Factors and Target Risks
Input Form 1C Contaminant Migration Parameters
Input Form 1D Sample Statistics
Input Form 2A Soil Exposure Point Concentration Table
Input Form 2B Groundwater Exposure Point Concentration Table
Input Form 2C Surface Water Exposure Point Concentration Table
Input Form 2D Soil Gas Exposure Point Concentration Table
Input Form 2E Indoor Air Exposure Point Concentration Table
Output Form 1A Risk for Individual Pathways
Output Form 1B Sitewide Risk
Output Form 2A Resident Soil
Output Form 2B Resident Groundwater Use
Output Form 2C Non-Residential Worker Soil
Output Form 2D Non-Residential Worker Groundwater Use
Output Form 2E Construction Worker Soil
Output Form 2F Recreator/Trespasser Soil
Output Form 2G Recreator/Trespasser Surface Water
Output Form 3A Resident Groundwater to Indoor Air
Output Form 3B Resident Soil Gas to Indoor Air
Output Form 3C Resident Indoor Air
Output Form 3D Non-Residential Worker Groundwater to Indoor Air
Output Form 3E Non-Residential Worker Soil Gas to Indoor Air
Output Form 3F Non-Residential Worker Indoor Air
Output Form 4A Soil to Groundwater - Forward Mode
Output Form 4B Groundwater to Groundwater - Forward Mode
Output Form 4C Soil to Surface Water - Forward Mode
Output Form 4D Groundwater to Surface Water - Forward Mode
Output Form 4E Soil to Groundwater - Backward Mode
Output Form 4F Groundwater to Groundwater - Backward Mode
Output Form 4G Soil to Surface Water - Backward Mode
Output Form 4H Groundwater to Surface Water - Backward Mode
Output Section 4 - Contaminant Migration Worksheets
Output Section 3 - Vapor Intrusion Calculators
TOC
Description
DATA INPUT SHEETS
Check box
if included
Input Section 1 - Exposure Pathways & Parameters
Input Section 2 - Exposure Point Concentrations
DATA OUTPUT SHEETS
Output Section 1 - Summary Output for All Calculators
Output Section 2 - Direct Contact Soil and Groundwater Calculators
North Carolina DEQ Risk Calculator
Complete Exposure Pathways
Version Date: July 2023
Basis: May 2023 EPA RSL Table
Site ID: 22016-18-060
Exposure Unit ID: Sub-Slab Worst Case MP-3
Note: Risk output will only be calculated for complete exposure pathways.
Receptor Pathway
Check box if
pathway
complete
Soil
Groundwater Use
Soil
Groundwater Use
Construction Worker Soil
Soil
Surface Water
Groundwater to Indoor Air
Soil Gas to Indoor Air
Indoor Air
Groundwater to Indoor Air
Soil Gas to Indoor Air
Indoor Air
Source Soil
Source Groundwater
Source Soil
Source Groundwater
Input Form 1A
VAPOR INTRUSION PATHWAYS
DIRECT CONTACT SOIL AND WATER PATHWAYS
Resident
Non-Residential Worker
Recreator/Trespasser
Resident
Non-Residential Worker
CONTAMINANT MIGRATION PATHWAYS
Groundwater
Surface Water
North Carolina DEQ Risk Calculator
Exposure Point Concentrations
Version Date: July 2023
Basis: May 2023 EPA RSL Table
Site ID: 22016-18-060
Exposure Unit ID: Sub-Slab Worst Case MP-3
Description of Exposure Point Concentration Selection:
Exposure Point Concentration
(ug/m3)
Notes:CAS Number Chemical Minimum
Concentration (Qualifier)
Maximum
Concentration (Qualifier)
Units Location of
Maximum Concentration
Detection
Frequency
Range of
Detection Limits
Concentration
Used for Screening
Background
Value
Screening
Toxicity Value
(Screening Level) (n/c)
Potential
ARAR/TBC
Value
Potential
ARAR/TBC
Source
COPC Flag
(Y/N)
Rationale for
Selection or
Deletion
50.6 MP-3 67-64-1 Acetone ug/m3
1.25 MP-3 71-43-2 Benzene ug/m3
12.2 MP-3 67-66-3 Chloroform ug/m3
3.71 MP-3 75-71-8 Dichlorodifluoromethane ug/m3
1.09 MP-3 100-41-4 Ethylbenzene ug/m3
14.5 MP-3 109-99-9 ~Tetrahydrofuran ug/m3
1.94 MP-3 142-82-5 Heptane, N-ug/m3
1.94 MP-3 110-54-3 Hexane, N-ug/m3
8.39 MP-3 67-63-0 Isopropanol ug/m3
51.6 MP-3 78-93-3 Methyl Ethyl Ketone (2-Butanone)ug/m3
0.565 MP-3 108-10-1 Methyl Isobutyl Ketone (4-methyl-2-pentanone)ug/m3
5.99 MP-3 75-09-2 Methylene Chloride ug/m3
0.719 MP-3 100-42-5 Styrene ug/m3
60.2 MP-3 127-18-4 Tetrachloroethylene ug/m3
6.34 MP-3 108-88-3 Toluene ug/m3
1.4 MP-3 79-01-6 Trichloroethylene ug/m3
1.14 MP-3 95-63-6 Trimethylbenzene, 1,2,4-ug/m3
0.363 MP-3 108-67-8 Trimethylbenzene, 1,3,5-ug/m3
3.23 MP-3 108-38-3 Xylene, m-ug/m3
1.29 MP-3 95-47-6 Xylene, o-ug/m3
Input Form 2D
Soil Gas Exposure Point Concentration Table
Note: Chemicals highlighted in orange are non-volatile chemicals. Since these chemicals do not pose a vapor intrusion risk, no risk values are calculated for these chemicals.If the chemical list is changed from a prior calculator run, remember to select "See All Chemicals" on the data output sheet or newly added chemicals will not be included in risk calculations
North Carolina DEQ Risk Calculator
DEQ Risk Calculator - Vapor Intrusion - Non-Residential Worker Soil Gas to Indoor Air
Version Date: July 2023
Basis: May 2023 EPA RSL Table
Site ID: 22016-18-060
Exposure Unit ID: Sub-Slab Worst Case MP-3
CAS #Chemical Name:
Soil Gas
Concentration
(ug/m3)
Calculated
Indoor Air Concentration
(ug/m3)
Target Indoor
Air Conc. for
Carcinogens @
TCR = 1E-06
Target Indoor Air
Conc. for Non-
Carcinogens @
THQ = 0.2
Calculated Carcinogenic Risk
Calculated Non-Carcinogenic Hazard
Quotient
67-64-1 Acetone 50.6 0.506 --
71-43-2 Benzene 1.25 0.0125 1.6E+00 2.6E+01 8.0E-09 9.5E-05
67-66-3 Chloroform 12.2 0.122 5.3E-01 8.6E+01 2.3E-07 2.8E-04
75-71-8 Dichlorodifluoromethane 3.71 0.0371 -8.8E+01 8.5E-05
100-41-4 Ethylbenzene 1.09 0.0109 4.9E+00 8.8E+02 2.2E-09 2.5E-06
109-99-9 ~Tetrahydrofuran 14.5 0.145 -1.8E+03 1.7E-05
142-82-5 Heptane, N-1.94 0.0194 -3.5E+02 1.1E-05
110-54-3 Hexane, N-1.94 0.0194 -6.1E+02 6.3E-06
67-63-0 Isopropanol 8.39 0.0839 -1.8E+02 9.6E-05
78-93-3 Methyl Ethyl Ketone (2-Butanone)51.6 0.516 -4.4E+03 2.4E-05
108-10-1 Methyl Isobutyl Ketone (4-methyl-2-pentanone)0.565 0.00565 -2.6E+03 4.3E-07
75-09-2 Methylene Chloride 5.99 0.0599 1.2E+03 5.3E+02 4.9E-11 2.3E-05
100-42-5 Styrene 0.719 0.00719 -8.8E+02 1.6E-06127-18-4 Tetrachloroethylene 60.2 0.602 4.7E+01 3.5E+01 1.3E-08 3.4E-03108-88-3 Toluene 6.34 0.0634 -4.4E+03 2.9E-0679-01-6 Trichloroethylene 1.4 0.014 3.0E+00 1.8E+00 4.7E-09 1.6E-03
95-63-6 Trimethylbenzene, 1,2,4-1.14 0.0114 -5.3E+01 4.3E-05
108-67-8 Trimethylbenzene, 1,3,5-0.363 0.00363 -5.3E+01 1.4E-05
108-38-3 Xylene, m-3.23 0.0323 -8.8E+01 7.4E-05
95-47-6 Xylene, o-1.29 0.0129 -8.8E+01 2.9E-05
Cumulative:2.6E-07 5.8E-03
All concentrations are in ug/m3
Output Form 3E
Carcinogenic risk and hazard quotient cells highlighted in orange are associated with non-volatile chemicals. Since these chemicals do not pose a vapor intrusion
risk, no risk values are calculated for these chemicals.
North Carolina DEQ Risk Calculator
Risk for Individual Pathways Output Form 1A
Version Date: July 2023
Basis: May 2023 EPA RSL Table
Site ID: 22016-18-060
Exposure Unit ID: Sub-Slab Worst Case MP-3
Receptor Pathway Carcinogenic
Risk Hazard Index Risk exceeded?
Soil NC NC NC
Groundwater Use*NC NC NC
Soil NC NC NC
Groundwater Use*NC NC NC
Construction Worker Soil NC NC NC
Soil NC NC NC
Surface Water*NC NC NC
Receptor Pathway Carcinogenic Risk Hazard Index Risk exceeded?
Groundwater to Indoor Air NC NC NC
Soil Gas to Indoor Air NC NC NC
Indoor Air NC NC NC
Groundwater to Indoor Air NC NC NC
Soil Gas to Indoor Air 2.6E-07 5.8E-03 NO
Indoor Air NC NC NC
Pathway Source
Source Soil NC
Source Groundwater NC
Source Soil NC
Source Groundwater NC
3. NM = Not modeled, user did not check this pathway as complete.
4. NC = Pathway not calculated, required contaminant migration parameters were not entered.
DIRECT CONTACT SOIL AND WATER CALCULATORS
Resident
Non-Residential Worker
Recreator/Trespasser
2. * = If concentrations in groundwater exceed the NC 2L Standards or IMAC, or concentrations in surface water exceed the
NC 2B Standards, appropriate remediation and/or institutional control measures will be necessary to be eligible for a risk-based
closure.
Surface Water Exceedence of 2B at Receptor?
Exceedence of 2B at Receptor?
VAPOR INTRUSION CALCULATORS
Resident
Non-Residential Worker
CONTAMINANT MIGRATION CALCULATORS
Target Receptor Concentrations Exceeded?
Groundwater Exceedence of 2L at Receptor?
Exceedence of 2L at Receptor?
1. If lead concentrations were entered in the exposure point concentration tables, see the individual calculator sheets for lead
concentrations in comparison to screening levels. Note that lead is not included in cumulative risk calculations.
Notes:
North Carolina DEQ Risk Calculator
Version Date:
Basis:
Site Name:
Site Address:
DEQ Section:
Site ID:
Exposure Unit ID:
Submittal Date:
Reviewed By:
Sub-Slab Worst Case MP-6
North Carolina Department of Environmental Quality
Risk Calculator
Quality Products Co. Brownfields Site
1513 S. Mint Street, Charlotte, NC
DWM Brownfields Redevelopment Section
22016-18-060
July 2023
May 2023 EPA RSL Table
11/21/2023
Prepared By:Hart & Hickman
North Carolina DEQ Risk Calculator
Table of Contents
Version Date: July 2023
Basis: May 2023 EPA RSL Table
Site ID: 22016-18-060
Exposure Unit ID: Sub-Slab Worst Case MP-6
Form No.
Input Form 1A Complete Exposure Pathways
Input Form 1B Exposure Factors and Target Risks
Input Form 1C Contaminant Migration Parameters
Input Form 1D Sample Statistics
Input Form 2A Soil Exposure Point Concentration Table
Input Form 2B Groundwater Exposure Point Concentration Table
Input Form 2C Surface Water Exposure Point Concentration Table
Input Form 2D Soil Gas Exposure Point Concentration Table
Input Form 2E Indoor Air Exposure Point Concentration Table
Output Form 1A Risk for Individual Pathways
Output Form 1B Sitewide Risk
Output Form 2A Resident Soil
Output Form 2B Resident Groundwater Use
Output Form 2C Non-Residential Worker Soil
Output Form 2D Non-Residential Worker Groundwater Use
Output Form 2E Construction Worker Soil
Output Form 2F Recreator/Trespasser Soil
Output Form 2G Recreator/Trespasser Surface Water
Output Form 3A Resident Groundwater to Indoor Air
Output Form 3B Resident Soil Gas to Indoor Air
Output Form 3C Resident Indoor Air
Output Form 3D Non-Residential Worker Groundwater to Indoor Air
Output Form 3E Non-Residential Worker Soil Gas to Indoor Air
Output Form 3F Non-Residential Worker Indoor Air
Output Form 4A Soil to Groundwater - Forward Mode
Output Form 4B Groundwater to Groundwater - Forward Mode
Output Form 4C Soil to Surface Water - Forward Mode
Output Form 4D Groundwater to Surface Water - Forward Mode
Output Form 4E Soil to Groundwater - Backward Mode
Output Form 4F Groundwater to Groundwater - Backward Mode
Output Form 4G Soil to Surface Water - Backward Mode
Output Form 4H Groundwater to Surface Water - Backward Mode
Output Section 4 - Contaminant Migration Worksheets
Output Section 3 - Vapor Intrusion Calculators
TOC
Description
DATA INPUT SHEETS
Check box
if included
Input Section 1 - Exposure Pathways & Parameters
Input Section 2 - Exposure Point Concentrations
DATA OUTPUT SHEETS
Output Section 1 - Summary Output for All Calculators
Output Section 2 - Direct Contact Soil and Groundwater Calculators
North Carolina DEQ Risk Calculator
Complete Exposure Pathways
Version Date: July 2023
Basis: May 2023 EPA RSL Table
Site ID: 22016-18-060
Exposure Unit ID: Sub-Slab Worst Case MP-6
Note: Risk output will only be calculated for complete exposure pathways.
Receptor Pathway
Check box if
pathway
complete
Soil
Groundwater Use
Soil
Groundwater Use
Construction Worker Soil
Soil
Surface Water
Groundwater to Indoor Air
Soil Gas to Indoor Air
Indoor Air
Groundwater to Indoor Air
Soil Gas to Indoor Air
Indoor Air
Source Soil
Source Groundwater
Source Soil
Source Groundwater
Resident
Non-Residential Worker
CONTAMINANT MIGRATION PATHWAYS
Groundwater
Surface Water
Input Form 1A
VAPOR INTRUSION PATHWAYS
DIRECT CONTACT SOIL AND WATER PATHWAYS
Resident
Non-Residential Worker
Recreator/Trespasser
North Carolina DEQ Risk Calculator
Exposure Point Concentrations
Version Date: July 2023
Basis: May 2023 EPA RSL Table
Site ID: 22016-18-060
Exposure Unit ID: Sub-Slab Worst Case MP-6
Description of Exposure Point Concentration Selection:
Exposure Point Concentration
(ug/m3)
Notes:CAS Number Chemical Minimum
Concentration (Qualifier)
Maximum
Concentration (Qualifier)
Units Location of
Maximum Concentration
Detection
Frequency
Range of
Detection Limits
Concentration
Used for Screening
Background
Value
Screening
Toxicity Value
(Screening Level) (n/c)
Potential
ARAR/TBC
Value
Potential
ARAR/TBC
Source
COPC Flag
(Y/N)
Rationale for
Selection or
Deletion
74.8 MP-DUP 67-64-1 Acetone ug/m3
0.961 MP-6 71-43-2 Benzene ug/m3
1.55 MP-6 75-15-0 Carbon Disulfide ug/m3
6.27 MP-6 67-66-3 Chloroform ug/m3
2.65 MP-6 75-71-8 Dichlorodifluoromethane ug/m3
9.42 MP-6 141-78-6 Ethyl Acetate ug/m3
1.17 MP-DUP 100-41-4 Ethylbenzene ug/m3
18.8 MP-6/MP-DUP 109-99-9 ~Tetrahydrofuran ug/m3
0.553 MP-DUP 142-82-5 Heptane, N-ug/m3
0.933 MP-DUP 110-54-3 Hexane, N-ug/m3
2.46 MP-DUP 67-63-0 Isopropanol ug/m3
11.7 MP-DUP 78-93-3 Methyl Ethyl Ketone (2-Butanone)ug/m3
0.319 MP-DUP 108-10-1 Methyl Isobutyl Ketone (4-methyl-2-pentanone)ug/m3
6.93 MP-6 75-09-2 Methylene Chloride ug/m3
2.06 MP-DUP 100-42-5 Styrene ug/m3
34 MP-6 127-18-4 Tetrachloroethylene ug/m3
8.41 MP-6 108-88-3 Toluene ug/m3
13.2 MP-6 79-01-6 Trichloroethylene ug/m3
1.97 MP-DUP 95-63-6 Trimethylbenzene, 1,2,4-ug/m3
0.486 MP-DUP 108-67-8 Trimethylbenzene, 1,3,5-ug/m3
4.05 MP-DUP 108-38-3 Xylene, m-ug/m3
1.68 MP-DUP 95-47-6 Xylene, o-ug/m3
Input Form 2D
Soil Gas Exposure Point Concentration Table
Note: Chemicals highlighted in orange are non-volatile chemicals. Since these chemicals do not pose a vapor intrusion risk, no risk values are calculated for these chemicals.If the chemical list is changed from a prior calculator run, remember to select "See All Chemicals" on the data output sheet or newly added chemicals will not be included in risk calculations
North Carolina DEQ Risk Calculator
Risk for Individual Pathways Output Form 1A
Version Date: July 2023
Basis: May 2023 EPA RSL Table
Site ID: 22016-18-060
Exposure Unit ID: Sub-Slab Worst Case MP-6
Receptor Pathway Carcinogenic
Risk Hazard Index Risk exceeded?
Soil NC NC NC
Groundwater Use*NC NC NC
Soil NC NC NC
Groundwater Use*NC NC NC
Construction Worker Soil NC NC NC
Soil NC NC NC
Surface Water*NC NC NC
Receptor Pathway Carcinogenic Risk Hazard Index Risk exceeded?
Groundwater to Indoor Air NC NC NC
Soil Gas to Indoor Air NC NC NC
Indoor Air NC NC NC
Groundwater to Indoor Air NC NC NC
Soil Gas to Indoor Air 1.8E-07 1.8E-02 NO
Indoor Air NC NC NC
Pathway Source
Source Soil NC
Source Groundwater NC
Source Soil NC
Source Groundwater NC
Groundwater Exceedence of 2L at Receptor?
Exceedence of 2L at Receptor?
1. If lead concentrations were entered in the exposure point concentration tables, see the individual calculator sheets for lead
concentrations in comparison to screening levels. Note that lead is not included in cumulative risk calculations.
Notes:
3. NM = Not modeled, user did not check this pathway as complete.
4. NC = Pathway not calculated, required contaminant migration parameters were not entered.
DIRECT CONTACT SOIL AND WATER CALCULATORS
Resident
Non-Residential Worker
Recreator/Trespasser
2. * = If concentrations in groundwater exceed the NC 2L Standards or IMAC, or concentrations in surface water exceed the
NC 2B Standards, appropriate remediation and/or institutional control measures will be necessary to be eligible for a risk-based
closure.
Surface Water Exceedence of 2B at Receptor?
Exceedence of 2B at Receptor?
VAPOR INTRUSION CALCULATORS
Resident
Non-Residential Worker
CONTAMINANT MIGRATION CALCULATORS
Target Receptor Concentrations Exceeded?
North Carolina DEQ Risk Calculator
DEQ Risk Calculator - Vapor Intrusion - Non-Residential Worker Soil Gas to Indoor Air
Version Date: July 2023
Basis: May 2023 EPA RSL Table
Site ID: 22016-18-060
Exposure Unit ID: Sub-Slab Worst Case MP-6
CAS #Chemical Name:
Soil Gas
Concentration
(ug/m3)
Calculated
Indoor Air Concentration
(ug/m3)
Target Indoor
Air Conc. for
Carcinogens @
TCR = 1E-06
Target Indoor Air
Conc. for Non-
Carcinogens @
THQ = 0.2
Calculated Carcinogenic Risk
Calculated Non-Carcinogenic Hazard
Quotient
67-64-1 Acetone 74.8 0.748 --
71-43-2 Benzene 0.961 0.00961 1.6E+00 2.6E+01 6.1E-09 7.3E-05
75-15-0 Carbon Disulfide 1.55 0.0155 -6.1E+02 5.1E-06
67-66-3 Chloroform 6.27 0.0627 5.3E-01 8.6E+01 1.2E-07 1.5E-04
75-71-8 Dichlorodifluoromethane 2.65 0.0265 -8.8E+01 6.1E-05
141-78-6 Ethyl Acetate 9.42 0.0942 -6.1E+01 3.1E-04100-41-4 Ethylbenzene 1.17 0.0117 4.9E+00 8.8E+02 2.4E-09 2.7E-06109-99-9 ~Tetrahydrofuran 18.8 0.188 -1.8E+03 2.1E-05
142-82-5 Heptane, N-0.553 0.00553 -3.5E+02 3.2E-06
110-54-3 Hexane, N-0.933 0.00933 -6.1E+02 3.0E-06
67-63-0 Isopropanol 2.46 0.0246 -1.8E+02 2.8E-05
78-93-3 Methyl Ethyl Ketone (2-Butanone)11.7 0.117 -4.4E+03 5.3E-06
108-10-1 Methyl Isobutyl Ketone (4-methyl-2-pentanone)0.319 0.00319 -2.6E+03 2.4E-0775-09-2 Methylene Chloride 6.93 0.0693 1.2E+03 5.3E+02 5.7E-11 2.6E-05100-42-5 Styrene 2.06 0.0206 -8.8E+02 4.7E-06127-18-4 Tetrachloroethylene 34 0.34 4.7E+01 3.5E+01 7.2E-09 1.9E-03
108-88-3 Toluene 8.41 0.0841 -4.4E+03 3.8E-06
79-01-6 Trichloroethylene 13.2 0.132 3.0E+00 1.8E+00 4.4E-08 1.5E-02
95-63-6 Trimethylbenzene, 1,2,4-1.97 0.0197 -5.3E+01 7.5E-05
108-67-8 Trimethylbenzene, 1,3,5-0.486 0.00486 -5.3E+01 1.8E-05
108-38-3 Xylene, m-4.05 0.0405 -8.8E+01 9.2E-0595-47-6 Xylene, o-1.68 0.0168 -8.8E+01 3.8E-05
Cumulative:1.8E-07 1.8E-02
All concentrations are in ug/m3
Output Form 3E
Carcinogenic risk and hazard quotient cells highlighted in orange are associated with non-volatile chemicals. Since these chemicals do not pose a vapor intrusion
risk, no risk values are calculated for these chemicals.
North Carolina DEQ Risk Calculator