06006_Cherokee Oil_BAR WP signed 20230808

ATTACHMENT 1 DEQ Brownfields Redevelopment Section Assessment Work Plan Approval Signature Page
To be completed by Development Team and returned to DEQ Brownfields for review & signature.
Brownfields Project Name: Cherokee Oil Brownfields Property Brownfields Project Number: 06006-02-060 Work Plan Title: Revised Brownfields Assessment Workplan Date: July 25, 2023 Revision Number: 1
Be advised that this approval from DEQ Brownfields does not waive any applicable requirement to obtain any necessary permits, licenses, or certifications for the above listed activities nor does it waive any requirement to comply with applicable law for such activities.
Prospective Developer (PD): 935 Summit Magnus LLC c/o Magnus Capital Partners, LLC Contact Person: Vishal Arora Phone Numbers: Office: [phone] Mobile: Click or tap here to enter text. Email: [e-mail]
Property Owner (if different from above): Click or tap here to enter text. Contact Person: Click or tap here to enter text. Phone Numbers: Office: Click or tap here to enter text. Mobile: Click or tap here to enter text. Email: Click or tap here to enter text.
Environmental Consultant: Hart & Hickman, PC Contact Person: Justin Ballard, PG Phone Numbers: Office: [phone] Mobile: Click or tap here to enter text. Email: [e-mail] Signature:
Brownfields Project Manager: Carolyn Minnich Phone Numbers: Office: [phone] Mobile: Click or tap here to enter text. Email: [e-mail] Signature:
Consultant: Hart & Hickman, PC
Printed Name/Title/Company: Justin Ballard, PG/Project
Manager/Hart & Hickman, PC
Date 7/25/2023 PG/
PE SEAL HERE
Brownfields Project Manager:Click or tap here to enter text. Date Click or tap to enter a date.
08/08/2023
#C-1269 Engineering
#C-245 Geology
Revised Brownfields Assessment Workplan
Revision 1
Cherokee Oil Brownfields Property
935 S. Summit Avenue
Charlotte, Mecklenburg County, North Carolina
Brownfields Project No. 06006-02-060
H&H Job No. MGN-004
July 25, 2023

Via Email

July 25, 2023

North Carolina Department of Environmental Quality
Division of Waste Management – Brownfields Redevelopment Section
1646 Mail Service Center
Raleigh, North Carolina 27699-1646

Attn: Ms. Carolyn Minnich

Re: Revised Brownfields Assessment Work Plan
Cherokee Oil Brownfields Property
935 S. Summit Avenue
Charlotte, Mecklenburg County, North Carolina
Brownfields Project No. 06006-02-060
H&H Job No. MGN-004

Dear Carolyn:

1.0 Introduction

On behalf of 935 Summit Magnus LLC c/o Magnus Capital Partners, LLC (Magnus Capital), Hart
& Hickman, P.C. (H&H) has prepared this Revised Work Plan to conduct Brownfields assessment
activities at the Cherokee Oil Brownfields Property (Brownfields Project No. 06006-02-060)
located at 935 S. Summit Avenue in Charlotte, Mecklenburg County, North Carolina (subject Site
or Site). The Site consists of one approximately 1.99-acre parcel (Mecklenburg County Parcel
Identification Number 07325301) of land that is developed with an approximately 12,600 square
foot (sq ft) commercial building and asphalt-paved parking lot. A Brownfields Agreement for the
Site between the North Carolina Department of Environmental Quality (DEQ) and M&J Equities,
LLC (former Site property owner) was executed on February 2, 2004.

Proposed redevelopment plans for the Site include razing the existing building and minimal ground
disturbance for the construction of an approximately 464,400 sq ft multi-family residential
building. The proposed building footprint is located in the central and northern portions of the
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Site and will consist of upper-level residential units. The ground floor of the proposed structure
will predominantly consist of a podium construction parking garage. A copy of the current
proposed redevelopment plans is included in Appendix A. Note that grading plans have not been
prepared as of the date of this Revised Work Plan. A Site location map is provided as Figure 1,
and the Site map with the proposed building footprint and surrounding area are shown in Figure
2.

H&H reviewed available resources to obtain information regarding historical uses of the Site and
identify areas of potential environmental concern for proposed Brownfields assessment activities.
A brief summary of our review is provided in the following section.

2.0 Site Background

According to the Mecklenburg County property records, the Site was developed with the current
Site building in 1948. During the 1950s and 1960s, the Site building was occupied by Brown
Equipment and Manufacturing Co. for repair and equipment manufacturing operations (including
a paint shop) associated with tractor trailers. From the late 1960s until the mid-1970s, a United
States Postal Service (USPS) fleet vehicle maintenance garage operated on-Site, followed by a
Mecklenburg County recycling facility in the early 1980s. In the mid to late 1980s, asphalt parking
areas and driveways were developed in the northern portion of the Site and the Site was occupied
by Saunders Systems truck leasing from 1985 until 1990. In 1990 and 1991, Cherokee Oil
Resources operated an on-Site unpermitted temporary hazardous waste storage facility. According
to information provided in the Brownfields Agreement, emergency removal actions and
environmental assessments in connection with former Cherokee Oil operations were conducted in
the 1990s.

2.1 Cherokee Oil Emergency Removal Activities

Emergency removal actions were conducted on-Site in the early 1990s by the U.S. Environmental
Protection Agency (EPA). These activities included the removal of approximately 6,096 drums,
13 roll-off containers, and several tankers containing polychlorinated biphenyls (PCBs), solvents,
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cyanides, acids, and bases. In addition, four underground storage tanks (USTs) containing diesel,
gasoline, heating oil, and residual sludge were removed from the north and south sides of the
existing Site building.

Following emergency removal action activities, post-removal soil samples were collected in 1993
and analyzed for volatile organic compounds (VOCs), semi-volatile organic compounds (SVOCs),
total metals, cyanide, pesticides, PCBs, and oil and grease. Laboratory analytical results indicated
arsenic (up to 21.4 milligrams per kilogram [mg/kg]) and lead (874 mg/kg) were detected at
concentrations in surficial soil (approximately 0.5 to 1 foot below ground surface [ft bgs]) above
the DEQ Inactive Hazardous Sites Branch’s (IHSB’s) screening criteria. No other compounds
were reported to exceed IHSB screening criteria. Historical sample locations are shown in Figure
2.

2.2 Cherokee Oil Assessment Activities

According to information provided in the Brownfields Agreement, soil and groundwater samples
were collected at the Site in 1998 during a sewer line extension project for Irwin Creek. The
samples were analyzed for VOCs, SVOCs, total and dissolved metals, pesticides, PCBs, and Total
petroleum hydrocarbons (TPH). Results of the soil sampling indicated arsenic was detected at
concentrations up to 234 mg/kg. Results of the groundwater sampling identified concentrations of
cadmium, chromium, and lead at concentrations above the NCAC 15A .0202 2L Groundwater
Quality Standards (2L Standards). In October 2001, the EPA issued a “No Further Remedial
Action Planned” designation for the Site and transferred the management of impacts to the DEQ
Inactive Hazardous Waste Site Priority List. Historical sample locations are shown in Figure 2.

In November 2019, H&H completed soil gas assessment activities at the Site to evaluate potential
structural vapor intrusion in the area of the future building footprint. Specifically, the assessment
activities were conducted in the vicinity of a proposed elevator shaft, the results of which indicated
no compounds were detected at concentrations above the DEQ Residential or Non-Residential Soil
Gas Screening Levels (SGSLs). In addition, the DEQ risk calculator results indicated that
calculated cumulative risk values for the soil gas to indoor air vapor intrusion pathway for resident
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and non-residential worker scenarios were within the acceptable carcinogenic risk of 1 x 10-4 to 1
x 10-6 and less and a hazard index of less than 1.0.

On August 4, 2022, Magnus Capital and H&H participated in a conference call with DEQ
Brownfields personnel to discuss the Site history, areas of potential environmental concern,
proposed redevelopment plans, potential data gaps, and the scope of Brownfields assessment
activities needed to address the data gaps. During the call, DEQ requested additional soil gas and
soil assessment be completed prior to implementation of redevelopment activities. On May 23,
2023, H&H submitted a Work Plan to DEQ to address that request. On June 12, 2023, DEQ
provided comments on the Work Plan. At that time, DEQ also provided H&H with a Draft
Supplemental Subsurface Assessment report prepared by NOVA Engineering & Environmental,
Inc. (NOVA) dated January 11, 2023.

The Draft Supplemental Subsurface Assessment report documented groundwater, soil, and soil gas
sampling activities completed at the Site in November 2022 as part of property transaction due
diligence activities. Results of the assessment activities are briefly summarized below:

 Groundwater assessment activities indicated tetrachloroethylene (PCE) and
trichloroethylene (TCE) were detected above the 2L Standards in up to four samples
(TMW-1, TMW-2, TMW-3, and/or TMW-9).

 Soil assessment activities indicated Polycyclic Aromatic Hydrocarbons (PAHs, a subset of
semi-volatile organce compounds [SVOCs]) benzo(a)anthracene, benzo(a)pyrene,
benzo(b)fluoranthene, and dibenz(a,h)anthracene were detected above the Residential
Preliminary Soil Remediation Goals (PSRGs) in a sample (N-6-1’) located south of the
existing building. In addition, arsenic was detected above the Residential and
Industrial/Commercial PSRGs in a sample (N-9-1’) collected from the central portion of
the Site. The arsenic concentration (105 mg/kg) is greater than 20 times the hazardous
characteristic threshold concentration for arsenic (i.e., Rule of 20 evaluation).

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 Soil gas assessment activities indicated benzene, ethylbenzene, PCE, and TCE were
detected above the Residential Soil Gas Screening Levels (SGSLs) in up to four samples
(SG-1, SG-2, SG-5, and a duplicate sample for SG-2 [Dup-1]).

Based on the results of the Draft Supplemental Subsurface Assessment report and comments
provided by DEQ to the original Work Plan, H&H is submitting this Revised Work Plan. Proposed
Brownfields assessment activities are outlined in the following sections.

3.0 Brownfields Assessment Activities

The proposed Brownfields assessment activities will be performed in general accordance with the
DEQ Inactive Hazardous Sites Branch (IHSB) Guidelines for Assessment and Cleanup
(Guidelines) dated September 2022, the DEQ Division of Waste Management (DWM) Vapor
Intrusion Guidance dated March 2018, Brownfield’s Vapor Intrusion Assessment Work Plan &
Report Checklist (VI Checklist) dated March 2023, and the most recent versions of the U.S. EPA
Region IV Laboratory Services and Applied Science Division (LSASD) Field Branches Quality
System and Technical Procedures guidance.

Prior to conducting field activities, H&H will contact North Carolina 811 One-Call, the public
utility locator service, to mark subsurface utilities at the Site. H&H will also team with a private
utility locator to identify and mark locations of sub-grade utilities at the Site that may not be
marked by the public locator.

3.1 Soil Assessment Activities

H&H proposes to advance soil borings to evaluate potential impacts from historical operations at
the Site relative to proposed redeveloped plans (i.e., areas of potential soil disturbance [cut]) for
on-Site management and/or off-Site disposal purposes. As previously mentioned, proposed
redevelopment plans for the Site include minimal ground disturbance for the construction of the
residential and parking structure. As such, the proposed soil borings described below will be
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advanced to depths of up to 5.5 feet below ground surface (ft bgs). The approximate locations of
the proposed soil borings in conjunction with the proposed redevelopment are shown on Figure 3.

H&H proposes to advance each boring via a decontaminated stainless steel hand auger to depths
up to approximately 5.5 ft bgs. Continuous soil samples will be collected from the borings and
logged for lithological description and field screened for indication of potential impacts by
observation for staining, unusual odors, and the presence of volatile organic vapors using a
calibrated photoionization detector (PID). Soil borings will be advanced at the following locations
for laboratory analyses, which are also described in Table 1:

Grab Soil Samples
 SB-1 will be advanced to approximately 5.0 ft bgs in the west-central portion of the Site in
the vicinity of a proposed elevator shaft. If field observations indicate potential impacts
based on elevated PID readings, staining, and/or petroleum/solvent odors, a sample will be
collected from a 2-ft interval representative of the potential impacts. If no evidence of
potential impacts is observed, soil from the boring will be collected from the surficial soil
interval (approximately 1 to 2 ft bgs). The soil sample will be submitted for laboratory
analysis of VOCs by EPA Method 8260, SVOCs by EPA Method 8270 and Resource
Conservation and Recovery Act (RCRA) metals plus hexavalent chromium by EPA
Methods 6020/7471/7199.

 SB-7 will be advanced to approximately 5.0 ft bgs in the southern portion of the Site in the
vicinity of previously identified PAH impacts (N-6-1’). If field observations indicate
potential impacts based on elevated PID readings, staining, and/or petroleum/solvent
odors, a sample will be collected from a 2-ft interval representative of the potential impacts.
If no evidence of potential impacts is observed, soil from the boring will be collected from
the interval of previously identified impacts (approximately 1 ft bgs). The soil sample will
be submitted for laboratory analysis of VOCs by EPA Method 8260, SVOCs by EPA
Method 8270 and RCRA metals plus hexavalent chromium by EPA Methods
6020/7471/7199.

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Composite Soil Samples
 SB-2 (co-located with SG-2), SB-3 (co-located with SG-3), and SB-3 (co-located with SG-
4) will be advanced to approximately 5.5 ft bgs in the northern portion of the Site within
the footprint of the proposed Site building. If field observations indicate potential impacts
based on elevated PID readings, staining, and/or petroleum/solvent odors, a sample will be
collected from a 2-ft interval representative of the potential impacts. If no evidence of
potential impacts is observed, soils from the borings will be composited in aliquots (two
per boring) to comprise Composite Soil Sample 1. The soil sample will be submitted for
laboratory analysis of SVOCs by EPA Method 8270 and RCRA metals plus hexavalent
chromium by EPA Methods 6020/7471/7199.

 SB-5 (co-located with SG-5), and SB-6 (co-located with SG-6) will be advanced to
approximately 5.5 ft bgs in the central portion of the Site within the footprint of the
proposed Site building. If field observations indicate potential impacts based on elevated
PID readings, staining, and/or petroleum/solvent odors, a sample will be collected from a
2-ft interval representative of the potential impacts. If no evidence of potential impacts is
observed, soils from the borings will be composited in aliquots (two per boring) to
comprise Composite Soil Sample 2. The soil sample will be submitted for laboratory
analysis of SVOCs by EPA Method 8270 and RCRA metals plus hexavalent chromium by
EPA Methods 6020/7471/7199.

 Four borings will be advanced to approximately 5.0 ft bgs in the central portion of the Site
in the vicinity of previously identified arsenic impacts (N-9-1’). If field observations
indicate potential impacts based on elevated PID readings, staining, and/or
petroleum/solvent odors, a sample will be collected from a 2-ft interval representative of
the potential impacts. If no evidence of potential impacts is observed, soils from the
borings will be composited in aliquots (two per boring) to comprise Composite Soil Sample
3. The soil sample will be submitted for laboratory analysis of SVOCs by EPA Method
8270 and RCRA metals plus hexavalent chromium by EPA Methods 6020/7471/7199.
Additionally, the laboratory will be instructed to hold the samples for analysis of Toxicity
Characteristic Leaching Procedure (TCLP) metals by EPA Methods 6020B and 1311
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pending further instruction from H&H. If a RCRA metal is detected in the sample above
20 times the hazardous characteristic threshold concentration (for that respective metal),
the laboratory will be instructed to analyze the sample for TCLP. For instance, if total
arsenic is detected in the sample above 100 mg/kg, the laboratory will be instructed to
analyze the sample for TCLP arsenic.

In addition to the composite soil samples described above, two representative grab soil
samples will be collected for analysis of VOCs. Based on the results of field screening, a
grab soil sample will be collected from the aliquot exhibiting the highest likelihood for
impact in each composite area. If field screening results do not identify the obvious
presence of impacts in an aliquot soil sample, the grab samples will be collected from the
interval with the highest PID reading. The grab soil samples will be submitted for
laboratory analysis of VOCs by EPA Method 8260.

Soil samples will be placed in dedicated laboratory-supplied sample containers, labeled with the
sample identification, date, and requested analysis, and placed in a laboratory-supplied cooler with
ice. The soil samples will then be submitted to a North Carolina-certified laboratory, Eurofins
Scientific (Eurofins), under standard chain of custody protocols for analyses as described above.
Information pertaining to Eurofins’ certifications and accreditations is provided in Appendix B.

Following sampling activities at each location, including the collection of soil gas samples as
discussed in Sections 3.2 the soil borings will be properly abandoned with soil cuttings and/or
bentonite and the surface will be repaired similarly to pre-sampling conditions. Additionally, the
soil sample locations will be recorded using a hand-held GPS unit.

3.2 Vapor Intrusion Assessment Activities

H&H proposes to conduct sub-slab and exterior soil gas assessment activities to evaluate the
potential for structural vapor intrusion into the future Site structure. The approximate locations of
the proposed soil gas samples SG-2 through SG-6 in conjunction with the proposed redevelopment
plan are shown on Figure 3, and previously described in Section 3.1 with their co-located soil
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borings. In addition, two sub-slab vapor samples (SSV-1 and SSV-2) will be collected from the
existing Site building.

H&H proposes to install each sub-slab gas monitoring point by using a hammer drill and 5/8-inch
diameter decontaminated drill bit to advance the boring through the concrete slab. Slab thicknesses
and sub-slab materials (i.e., soil, gravel, etc.) will be documented at each location. Following
concrete borehole advancement, loose concrete cuttings will be removed from the boring using a
bottlebrush and vacuum with a high-efficiency particulate air (HEPA) filter. A Cox-Colvin Vapor
Pin™ (vapor pin) assembly (brass sampling point and silicone sleeve) will be seated in the
borehole using an installation/extraction tool and hammer. The vapor pin will be connected at the
surface with ¼-inch new and dedicated Teflon® tubing and will be installed as temporary sub-slab
gas points. Sample points will be allowed to equilibrate for at least two hours following
installation.

H&H proposes to install each soil gas point to a depth of approximately 5.5 ft bgs using a
decontaminated stainless steel hand auger. The soil gas points will each be installed with a 6-inch
long 0.010-inch slot stainless steel screen set at the base of the boring connected to the surface
with ¼-inch new and dedicated Teflon® tubing. The annular space will be filled with filter sand
followed by a bentonite seal to prevent short-circuiting of air from the surface. The soil gas points
will be installed as temporary points and will be allowed to equilibrate for a minimum of 48 hours
after installation and prior to sample collection described below.

Prior to vapor sampling activities, a leak check will be conducted by constructing a shroud around
the sample train at each soil gas and flooding the air with helium gas. Helium concentrations
inside the shroud will be measured using a calibrated helium gas detector and maintained at
concentrations of approximately 10% to 20% for the duration of the leak check. Using a syringe
and three-way valve, a minimum of three sample train volumes (including both the tubing and
annulus) will be purged at a maximum flow rate of 200 mL/min, and a sample will be collected
from the sample tubing outside the shroud into a Tedlar bag and analyzed using the helium gas
detector to ensure that helium concentrations are less than 10% of the helium concentrations
measured within the shroud. Note that the helium meter will not be connected to the sampling
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train, as it is used independently to measure helium within the shroud and from a Tedlar bag that
is connected to the sampling train.

Following a successful leak check, the samples will be collected using batch-certified 1-liter or 3-
liter stainless steel Summa® canisters connected to an air-flow regulator calibrated by the
laboratory for collection of a sample at a rate of up to approximately 200 milliliters per minute.
To conduct the sampling, the intake valve on the Summa® canister will be fully opened to begin
collection of the sample and vacuum readings on the Summa® canister will be recorded prior to
and following the sampling period to ensure adequate sample volume was collected. A vacuum
will be maintained within the canisters at the conclusion of the sampling event, and vacuum
measurements which include pre- and post-sampling, and sample collection time durations will be
recorded on the chain-of-custody. Canisters that have lost greater than 10% of their vacuum as
determined by comparing the vacuum recorded by the laboratory prior to shipment and the vacuum
recorded in the field during the leak test procedures will not be used for sampling. In addition, a
minimum of vacuum of approximately five inches of mercury will be maintained on the sample
canisters until the conclusion of the sampling event.

After sample collection, the intake valve will be closed, and the regulator will be disconnected
from the sample canister. The canisters will be placed in laboratory supplied shipping containers,
properly labeled, and shipped under standard chain-of-custody protocols to Eurofins for analysis
of VOCs by EPA Method TO-15. Table 1 summarizes the proposed soil gas samples and
associated analyses. Information pertaining to Eurofins’ certifications and accreditations for TO-
15 (North Carolina does not provide TO-15 certifications) is provided in Appendix B.

Upon completion of sampling activities, exterior soil gas and sub-slab gas point locations will be
recorded in the field using a hand-held GPS unit. The exterior soil gas and sub-slab gas points
will then be properly abandoned and surfaces will be repaired to generally match pre-sampling
conditions.

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3.3 Quality Assurance/Quality Control Samples

Non-dedicated equipment and tools will be decontaminated prior to use at each boring or sampling
location or following exposure to soil and/or soil gas samples. Decontamination of non-dedicated
equipment will follow U.S. EPA Region IV guidance (LSASDPROC-205-R4) and will consist of
wiping the equipment clean, a water-rinse of the equipment, washing the equipment in water and
detergent (i.e., Liquinox® or Luminox®), and a final rinse with water. The process will be
repeated for grossly contaminated non-dedicated equipment.

For quality assurance and quality control purposes (QA/QC), and to evaluate the reproducibility
of the sample results, H&H will collect the following: 1) one duplicate soil sample; 2) one
duplicate soil gas sample. The duplicate samples will be submitted for the same laboratory analysis
as their respective parent samples. For the duplicate soil gas sample, H&H will utilize a laboratory-
supplied “T-sampler” which allows for the collection of two samples from the same location
simultaneously. Per laboratory standard operating procedures, a vacuum of approximately five
inches of mercury will be maintained within all canisters at the conclusion of the sampling event.

Laboratory QA/QC procedures will be employed to ensure appropriate sample handling and
analysis and to aid in the review and validation of the analytical data. QA/QC procedures will be
conducted in accordance with the method protocols and will include regular equipment
maintenance, equipment calibrations, and adherence to specific sample custody and data
management procedures. Samples will be analyzed in conjunction with appropriate blanks,
laboratory duplicates, continuing calibration standards, surrogate standards, and matrix spiking
standards in accordance with approved methodologies to monitor both instrument and analyst
performance. Laboratory reporting limits for each analyte will be at or below appropriate
screening criteria, where possible. Additionally, H&H will request that the laboratory include
estimated concentrations for compounds that are detected at levels above the laboratory method
detection limit, but below the laboratory reporting limit (i.e., J flags).

The laboratory analytical data report and QA package for each group of samples submitted to and
analyzed by the subcontracted laboratory will be provided in an appendix to the final report.
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Laboratory QA data consistent with Level II documentation will be requested for this project. A
copy of the completed chain-of-custody record and shipping receipt will be appended to the
corresponding laboratory analytical report included with the final report.

3.4 Investigation Derived Waste (IDW)

Investigation derived waste (IDW) generated during the assessment activities will be thin spread
on-Site. However, if significant impacts are suspected (i.e., high PID readings, free-product, etc.),
the soil cuttings generated will be containerized in 55-gallon drums and staged on-Site pending
analytical results of composite IDW samples.

3.5 Reporting

Following completion of the assessment activities and receipt of the analytical data, H&H will
document our findings in a Brownfields Assessment Report. The report will include a description
of the sampling activities, pertinent figures (with appropriate graphic scale and north arrow)
depicting sample locations, tabulated sample data (reported to less than the reporting limit and
compared to applicable regulatory screening levels), soil boring logs (including soil gas monitoring
points), laboratory analytical data, a discussion of the data in comparison to applicable regulatory
screening levels with notes where the reporting limit exceeds the regulatory screening level, risk
calculations, IDW manifests (if applicable), and conclusions and recommendations concerning our
activities. The report will also include information provided in NOVA’s Draft Supplemental
Subsurface Assessment report, including sampling results and locations. The Brownfields
Assessment Report will be sealed by a North Carolina Professional Engineer (PE) or Licensed
Geologist (LG) and the firm PE/LG numbers will be provided.

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Please contact us if you have any questions or require additional information.

Sincerely,
Hart & Hickman, PC
#C-1269 Engineering
#C-245 Geology

Justin Ballard, PG Jeffrey Ollison
Project Manager Project Environmental Scientist
NC Professional Geologist #2257

Project Contact Information
Property Owner Brownfields Project Manager Environmental Consultant
Magnus Capital
Vishal Arora
[phone]
[e-mail]
Ms. Carolyn Minnich
[phone]
[e-mail]
Hart & Hickman, PC
Mr. Justin Ballard
[phone]
[e-mail]

Attachments

Table
Table 1Proposed Sampling PlanCherokee Oil Brownfields Property935 S. Summit AvenueCharlotte, North CarolinaH&H Job No. MGN-004SVOCs RCRA Metals TCLP RCRA Metals Hexavalent ChromiumEPA 8260D EPA TO-15 EPA 8270E EPA 6020/7471 EPA 6020B and 1311 EPA 7199SB-1 TBD Soil disturbance in the vicinity of a proposed elevator shaft X X X XSB-7 TBD Confirmation of previously identified PAH impacts. X X X XSB-2/SG-2SB-3/SG-3SB-4/SG-4SB-5/SG-5SB-6/SG-6Composite Soil Sample 3 ~5.0 Confirmation of previously identified arsenic impacts X (Grab) X X X XField Duplicate TBD QA/QC X (Grab) X X X XSSV-1 ~0.5XSSV-2 ~0.5XSG-2/SB-2 ~5.5XSG-3/SB-3 ~5.5XSG-4/SB-4 ~5.5XSG-5/SB-5 ~5.5XSG-6/SB-6 ~5.5XField Duplicate TBD QA/QC X686 6 2 6Notes:VOCs = volatile organic compounds; SVOCs = semi-volatile organic compounds; RCRA = Resource Conservation and Recovery ActTBD = parent sample to be determined; QA/QC = quality assurance/quality control; ft bgs = feet below ground surface; N/A = not applicableTOTAL SOIL, SUB-SLAB VAPOR, SOIL GAS, AND QA/QC SAMPLESSample Depth(ft bgs)Sample Objective~5.5 (Composite Soil Sample 1)~5.5 (Composite Soil Sample 2)Soil disturbance in future building footprintSoil disturbance in future building footprintWithin the proposed building footprintWithin the existing Site buildingAnalysesSoil SamplesSub-Slab Vapor and Soil Gas SamplesVOCsSample IDX (Grab)X (Grab)XXXXXXhttps://harthick.sharepoint.com/sites/MasterFiles-1/Shared Documents/AAA-Master Projects/Magnus Capital Partners (MGN)/004 935 S. Summit Avenue, Charlotte/Additional Brownfields Assessment/Workplan/Table7/25/2023Table 1 (Page 1 of 1)Hart & Hickman, PC

Figures
USGS The National Map: National Boundaries Dataset, 3DEP ElevationProgram, Geographic Names Information System, National HydrographyDataset, National Land Cover Database, National Structures Dataset, andNational Transportation Dataset; USGS Global Ecosystems; U.S. CensusBureau TIGER/Line data; USFS Road Data; Natural Earth Data; U.S.Department of State Humanitarian Information Unit; and NOAA NationalCenters for Environmental Information, U.S. Coastal Relief Model. Datarefreshed June, 2022.
SITE LOCATION MAP
CHEROKEE OIL935 S. SUMMIT AVENUECHARLOTTE, NORTH CAROLINA
DATE: 3-16-23
JOB NO: MGN-004
REVISION NO: 0
FIGURE NO: 1
2923 South Tryon Street - Suite 100Charlotte, North Carolina 28203704-586-0007 (p) 704-586-0373 (f)License # C-1269 / # C-245 Geology
TITLE
PROJECT
0 2,000 4,000
SCALE IN FEET
SITE
Path: S:\AAA-Master Projects\Magnus Capital Partners (MGN)\004 935 S. Summit Avenue, Charlotte\Additional Brownfields Assessment\Workplan\Figures\Figure-1.mxdN
U.S.G.S. QUADRANGLE MAP
CHARLOTTE EAST, NORTH CAROLINA 2022
QUADRANGLE7.5 MINUTE SERIES (TOPOGRAPHIC)
SG-1
FS-I
GP2-02
GP3-02
FS-J
FS-K
FS-F
GP1W
GP2W
GP3W
GP4W
REVISION NO. 0
JOB NO. MGN-004
DATE: 3-16-23
FIGURE NO. 2
CHEROKEE OIL
935 S. SUMMIT AVENUE
CHARLOTTE, NORTH CAROLINA
SITE MAP
LEGEND
BROWNFIELDS PROPERTY BOUNDARY
PARCEL BOUNDARY
IRWIN CREEK
SEWER RIGHT-OF-WAY
PROPOSED BUILDING FOOTPRINT
EXISTING BUILDING AND ASSOCIATED
FENCE ENCLOSURE TO BE DEMOLISHED
HISTORICAL SOIL SAMPLE LOCATION
(CAMP DRESSER MCKEE, 1998)
HISTORICAL GROUNDWATER SAMPLE
LOCATION (CAMP DRESSER MCKEE, 1998)
HISTORICAL SOIL SAMPLE LOCATION (EPA,
1993)
SOIL GAS SAMPLE LOCATION (H&H, 2019)
2923 South Tryon Street-Suite 100
Charlotte, North Carolina 28203
704-586-0007(p) 704-586-0373(f)
License # C-1269 / #C-245 Geology
PROPOSED
ELEVATOR SHAFT
BRYANT
S
T
R
E
E
T
S. SUMMIT AVENUEIRWIN
CREEK
PARKING LOT
(1307 W. MOREHEAD STREET)
PARKING LOT
(1425 BRYANT STREET)
GRINNELL WATER WORKS BUILDING
(FORMERLY GRINNELL SUPPLY SALES CO.)
(1435 W. MOREHEAD STREET)INTE
R
S
T
A
T
E 77
ARLO APARTMENTS (FORMERLY SOUTHERN APARTMENTS/
COCA COLA BOTTLING COMPANY/WESLEY TEXACO SERVICE)
(1331 W. MOREHEAD STREET, 1401 W. MOREHEAD STREET, AND
829 S. SUMMIT AVENUE)S:\AAA-Master Projects\Magnus Capital Partners (MGN)\004 935 S. Summit Avenue, Charlotte\Additional Brownfields Assessment\Workplan\Figures\MGN.004_SITE.dwg, FIG 2, 3/20/2023 11:13:00 AM, shaynes
SG-1
FS-I
GP2-02
GP3-02
FS-J
FS-K
FS-F
GP1W
GP2W
GP3W
GP4W
REVISION NO. 0
JOB NO. MGN-004
DATE: 7-25-23
FIGURE NO. 3
CHEROKEE OIL
935 S. SUMMIT AVENUE
CHARLOTTE, NORTH CAROLINA
PROPOSED SAMPLE LOCATION MAP
LEGEND
BROWNFIELDS PROPERTY BOUNDARY
PARCEL BOUNDARY
IRWIN CREEK
SEWER RIGHT-OF-WAY
PROPOSED BUILDING FOOTPRINT
EXISTING BUILDING AND ASSOCIATED
FENCE ENCLOSURE TO BE DEMOLISHED
HISTORICAL SOIL SAMPLE LOCATION
(CAMP DRESSER MCKEE, 1998)
HISTORICAL GROUNDWATER SAMPLE
LOCATION (CAMP DRESSER MCKEE, 1998)
HISTORICAL SOIL SAMPLE LOCATION (EPA,
1993)
SOIL GAS SAMPLE LOCATION (H&H, 2019)
PROPOSED SOIL GAS AND COMPOSITE
SOIL SAMPLE ALIQUOT LOCATION
PROPOSED SUB-SLAB VAPOR SAMPLE
LOCATION
PROPOSED GRAB SOIL SAMPLE LOCATION
PROPOSED COMPOSITE SOIL ALIQUOT
LOCATION
2923 South Tryon Street-Suite 100
Charlotte, North Carolina 28203
704-586-0007(p) 704-586-0373(f)
License # C-1269 / #C-245 Geology
PROPOSED
ELEVATOR SHAFT
BRYANT
S
T
R
E
E
T
S. SUMMIT AVENUEIRWIN
CREEK
PARKING LOT
(1307 W. MOREHEAD STREET)
PARKING LOT
(1425 BRYANT STREET)
GRINNELL WATER WORKS BUILDING
(FORMERLY GRINNELL SUPPLY SALES CO.)
(1435 W. MOREHEAD STREET)INTE
R
S
T
A
T
E 77
ARLO APARTMENTS (FORMERLY SOUTHERN APARTMENTS/
COCA COLA BOTTLING COMPANY/WESLEY TEXACO SERVICE)
(1331 W. MOREHEAD STREET, 1401 W. MOREHEAD STREET, AND
829 S. SUMMIT AVENUE)
SG-6/SB-6
SG-5/SB-5
SG-4/SB-4
SG-3/SB-3
SG-2/SB-2
COMPOSITE
SOIL SAMPLE 1
COMPOSITE
SOIL SAMPLE 2
COMPOSITE
SOIL SAMPLE 3
SSV-1
SSV-2
SB-7
SB-1
S:\AAA-Master Projects\Magnus Capital Partners (MGN)\004 935 S. Summit Avenue, Charlotte\Additional Brownfields Assessment\Workplan\Figures\MGN.004_SITE.dwg, FIG 3, 7/25/2023 9:03:25 AM, shaynes
Appendix A
Redevelopment Plans
SHEET TITLE:
SHEET NO.PROJ. NO.
DRAWN BY:
PROJECT ARCHITECT:
PRINCIPAL IN CHARGE:
SHEET ISSUE:
A
1 2 3 4 5
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
B
C
D
SEALS NOT FOR CONSTRUCTION4/24/2023 11:14:47 AMAutodesk Docs://019300.01_South Summit Charlotte Residential/Arch_935 S.Summit Ave_R23.rvtMASSING
AP101
019300.00
Author915 S. SUMMIT AVECHARLOTTE, NCMAGNUS CAPITAL PARTNERSBJ
JP
NO. DATE DESCRIPTION BY
AP101
1 ORIGINAL DESIGN
SCHEME A
UP
UP
UP
UP
UP
UP
UP
UP
TELECOM
ELEC
MECH
PROJECT
NORTH
EXTERIOR
BALCONY
STAIR 1
STAIR 2
STORAGE
2B/2b
1B/1b
Studio
9
10
4PER FLOOR58
66
26TOTAL COUNTGYM
ROOF DECK
MECH / HVAC EQUIP
MECH
PUMP ROOM
TELECOM
ELEC
TRX/WEIGHTS
PROJECT
NORTH
ALUMINUM METAL
ROOF CANOPY ABOVE
LOUNGE
STAIR 1
STAIR 2
YOGA/ STRETCH
MENS WOMENS
WOMENS SHOWERSMENS SHOWERS
CORRIDOR
12" TALL
STAINLESS
STEEL GUARDRAIL
12" TALL
STAINLESS
STEEL GUARDRAIL
CORRIDOR
STORAGE
LEASING OFFICE
MAIL
PARKING GARAGE
EXIT
LOADING DOCK
BRYANT STREET
S SUMMIT AVENUEPROJECT
NORTH
BIKE STORAGE
GATE
PARKING GARAGE
ENTRY AND EXIT
MAIL ROOM
TRASH ROOM
DRY SPRINKLER
ENTRY PLAZA
ASSEMBLED STAIR,
ACCESS TO
BUILDING SERVICES
RAMP
EXIT ACCESS WALKWAY
17 CMPT
SPACES
1' - 0"
-3' - 0"
ENGINEER OFFICE
11 SPACES 9 SPACES
15 SPACES
4 SPACES3 CMPT
SPACES
3 CMPT
SPACES
6 SPACES
LOWER LOBBY ELEVATOR LOBBY
STAIR 1
STAIR 2
CORRIDOR 5/8" / 12"MECH
OUTLINE OF SLAB
ABOVE
UNISEX
ENTRY 104B
SHEET TITLE:
SHEET NO.PROJ. NO.
DRAWN BY:
PROJECT ARCHITECT:
PRINCIPAL IN CHARGE:
SHEET ISSUE:
A
1 2 3 4 5
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
B
C
D
SEALS NOT FOR CONSTRUCTION4/24/2023 11:14:25 AMAutodesk Docs://019300.01_South Summit Charlotte Residential/Arch_935 S.Summit Ave_R23.rvtTYPICAL
APARTMENT FLOOR
PLAN
AP100
019300.00
Author915 S. SUMMIT AVECHARLOTTE, NCMAGNUS CAPITAL PARTNERSBJ
JP
NO. DATE DESCRIPTION BY
1" = 20'-0"AP100
1 TYPICAL APARTMENT FLOOR PLAN
1" = 20'-0"AP100
2 LEVEL 13 -AMENITIES
1" = 20'-0"AP100
3 LEVEL 1 -PARKING
SCHEME A
76
86
34
196TOTAL
207'-5 1/2"1" = 20'-0"AP100
1 TYPICAL APARTMENT FLOOR PLAN135'-4 3/4"62'-10 1/2"52'-1"44'-1/2"38'-9"56'-4 1/4"44'-6 1/2"36'-8 3/4"18'-11"14'-8 1/4"14'-8 1/4"
200'-3 1/2"23'-11 3/4"29'-9 1/4"
C
B A
SHEET TITLE:
SHEET NO.PROJ. NO.
DRAWN BY:
PROJECT ARCHITECT:
PRINCIPAL IN CHARGE:
SHEET ISSUE:
A
5 4 3 2 1
5 4 3 2 1ALL DRAWINGS, SPECIFICATIONS AND COPIES THEREOF FURNISHED BY MCMILLAN PAZDAN SMITH ARCHITECTURE ARE AND SHALL REMAIN THE PROPERTY OF MCMILLAN PAZDAN SMITH ARCHITECTURE. THESE MATERIALS ARE TO BE USED ONLY WITH RESPECT TO THIS PROJECT AND NOT TO BE USED WITH ANY OTHER PROJECT. WITH THE EXCEPTION OF ONE CONTRACT SET FOR EACH PARTY TO THE CONTRACT, SUCH DOCUMENTS ARE TO BE RETURNED OR SUITABLY ACCOUNTED FOR TO MCMILLAN PAZDAN SMITH ARCHITECTURE UPON COMPLETION OF THE PROJECT. SUBMISSION OR DISTRIBUTION TOMEET OFFICIAL REGULATORY REQUIREMENTS OR FOR OTHER PURPOSES IN CONNECTION WITH THE PROJECT IS NOT TO BE CONSTRUED AS PUBLICATION IN DEROGATION OF MCMILLAN PAZDAN SMITH'S COMMON LAW COPYRIGHT OR OTHER RESERVED RIGHTS. COPYRIGHT 2016 MCMILLAN PAZDAN SMITH -ALL RIGHTS RESERVEDCONSULTANT LOGO
B
C
D
SEALS
4/24/2023 10:26:04 AMP:\CLT\019300.01 - 935 South Summit Charlotte Residential\Drawings\_Central Model\Scheme 2_Study.rvtMASSING DIAGRAM
AP102
NOT SET
Author915 S. SUMMIT AVECHARLOTTE, NCNOT SET
NOT SETMAGNUS CAPITAL PARTNERSNO. DATE DESCRIPTION BYAP102
1 VIEW C
AP102
2 VIEW B
AP102
3 VIEW A
KEY PLAN
SCHEME B
C
B A
KEY PLAN
AP102
1 VIEW C
AP102
2 VIEW B
AP102
3 VIEW A
KEY PLAN
W
WG
POOL DECK
1319 SF
LOUNGE
1100 SF
GYM
892 SF
MAIL ROOM
BR
113
BR
115
COWORKING
116
FFE= 0'-0"
FFE= 4'-0"SLOPE UP TO LEVEL 2SLOPE UP TO 4'-0"
FFE= 0'-0"SLOPE UP TO 4'-0"24' - 0"
960 SF
LOBBY
2B/2b
1B/1b
Studio
8
8
5
109
111
68
288PER FLOORFLOORS 5-18TOTAL
DECK PARKING (4 LEVELS)
SURFACE PARKING
330
47
397
377TOTAL
PARKING PROVIDED
PARKING REQ FOR
1 SPACE/BED
SHEET TITLE:
SHEET NO.PROJ. NO.
DRAWN BY:
PROJECT ARCHITECT:
PRINCIPAL IN CHARGE:
SHEET ISSUE:
A
5 4 3 2 1
5 4 3 2 1ALL DRAWINGS, SPECIFICATIONS AND COPIES THEREOF FURNISHED BY MCMILLAN PAZDAN SMITH ARCHITECTURE ARE AND SHALL REMAIN THE PROPERTY OF MCMILLAN PAZDAN SMITH ARCHITECTURE. THESE MATERIALS ARE TO BE USED ONLY WITH RESPECT TO THIS PROJECT AND NOT TO BE USED WITH ANY OTHER PROJECT. WITH THE EXCEPTION OF ONE CONTRACT SET FOR EACH PARTY TO THE CONTRACT, SUCH DOCUMENTS ARE TO BE RETURNED OR SUITABLY ACCOUNTED FOR TO MCMILLAN PAZDAN SMITH ARCHITECTURE UPON COMPLETION OF THE PROJECT. SUBMISSION OR DISTRIBUTION TOMEET OFFICIAL REGULATORY REQUIREMENTS OR FOR OTHER PURPOSES IN CONNECTION WITH THE PROJECT IS NOT TO BE CONSTRUED AS PUBLICATION IN DEROGATION OF MCMILLAN PAZDAN SMITH'S COMMON LAW COPYRIGHT OR OTHER RESERVED RIGHTS. COPYRIGHT 2016 MCMILLAN PAZDAN SMITH -ALL RIGHTS RESERVEDCONSULTANT LOGO
B
C
D
SEALS
4/24/2023 10:26:02 AMP:\CLT\019300.01 - 935 South Summit Charlotte Residential\Drawings\_Central Model\Scheme 2_Study.rvtSCHEME 2 FLOOR
PLANS
AP101
NOT SET
Author915 S. SUMMIT AVECHARLOTTE, NCNOT SET
NOT SETMAGNUS CAPITAL PARTNERSNO. DATE DESCRIPTION BY
1" = 20'-0"AP101
1 TYPICAL RESIDENTIAL FLOOR PLAN
1" = 20'-0"AP101
2 LEVEL 5 -AMENITY PLAN
1" = 20'-0"AP101
3 GROUND FLOOR PARKING PLAN
SCHEME B
B
BRYANT STREET
S. SUMMIT AVENUE207'-8"187'-11"208'-1"67'-7"187'-11"
187'-11"
67'-7"
Appendix B
Laboratory Certifications and Accreditations