HomeMy WebLinkAbout24003 N Davidson II Brownfields Assessment Work Plan 20200724Mr. Bill Schmithorst
July 24, 2020
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The existing building on the southeastern parcel was constructed in 1950 and was utilized as an
electrical appliance warehouse, a knit goods manufacturing facility, and a cork and insulation
warehouse in the 1950s. Subsequently, the building appears to have been occupied by various
warehouse facilities until the 1990s, when a previous owner renovated the building for use as an
event venue. The northern portion of the building was also utilized as a brewery in the 2010s.
The northwestern parcel was developed with a concrete plant and an automotive repair shop in the
early to mid-1950s. The concrete plant operated until the late 1950s, and the automotive repair shop
operated until at least the late 1960s. Additional buildings, including the existing warehouse, were
constructed on the northwestern parcel in the 1950s and 1960s. The buildings appear to have been
used as part of lumber company, automotive scrapyard, automotive repair, automotive body shop,
and warehouse operations. Between the 1970s and the early 2000s, several structures on the
northwestern parcel were razed.
During July 2019 Phase I Environmental Site Assessment (ESA) activities at the Site, H&H
identified several Recognized Environmental Conditions (RECs) in connection with historical uses
of the Site and historical uses/documented groundwater impacts on adjacent properties. In addition,
five monitoring wells were observed on-Site; however, groundwater data for the wells were not
available. Based on review of Mecklenburg County Land Use and Environmental Services Agency
(LUESA) online records, the monitoring wells were installed by Summit Engineering in April 2016.
In August 2019, H&H completed sub-slab vapor sampling activities at the Site to evaluate the
potential for vapor intrusion into the buildings. A summary of the results of the sub-slab vapor
sampling activities is provided below.
Trichloroethene (TCE; 91,000 μg/m3) was detected in sub-slab vapor sample SS-1 (west-
central portion of 2315 N. Davidson Street building) above the North Carolina Department of
Environmental Quality (DEQ) non-residential Soil Gas Screening Level (SGSL) of
180 μg/m3. Tetrachloroethene (PCE; 860 μg/m3) and chloroform (260 µg/m3) were also
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detected in sample SS-1 above the residential SGSLs of 280 μg/m3 and 41 μg/m3,
respectively.
TCE (27 μg/m3) was detected in sub-slab vapor sample SS-2 (south-central portion of 2315
N. Davidson Street building) above the residential SGSL of 14 μg/m3.
No volatile organic compounds (VOCs) were detected above the residential or non-
residential SGSLs in sub-slab vapor samples collected in the building at 421 E. 26th Street.
The results of cumulative risk calculations using sub-slab vapor data for the building at 2315
N. Davidson Street indicate that the calculated cumulative risks are above acceptable risk
levels for both residential and non-residential worker exposure scenarios.
To further evaluate vapor intrusion and potential occupant exposure to chloroform, PCE, and TCE,
H&H conducted indoor air sampling activities in the building at 2315 N. Davidson Street in
November 2019. A summary of the results of the indoor air sampling is provided below.
H&H collected four indoor air samples (IAS-1 through IAS-4) in the Site building at 2315 N.
Davidson Street. Based on August 2019 sub-slab vapor sampling results, the samples were
analyzed for chloroform, PCE, and TCE.
Laboratory analytical results indicated the presence of chloroform (up to 0.2 μg/m3) and/or PCE
(up to 0.34 μg/m3) in indoor air samples IAS-1 through IAS-4. The detected concentrations are
below the residential Indoor Air Screening Levels (IASLs) of 1.2 μg/m3 and 8.3 μg/m3 for
chloroform and PCE, respectively. TCE (0.14 μg/m3) was detected in sample IAS-1 at a
concentration below the residential IASL of 0.42 μg/m3.
On January 13, 2020, H&H submitted a Brownfields Property Application to the DEQ Brownfields
Program. Due to DEQ’s backlog of Brownfields projects and in an effort to expedite the
Brownfields process upon eligibility determination, H&H conducted soil and groundwater sampling
activities and performed a receptor survey in March 2020 to further evaluate environmental
conditions at the Site and to address potential data gaps. A Letter of Eligibility was ultimately
issued by DEQ on March 27, 2020 after the field work was complete.
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A summary of the March 2020 soil and groundwater assessment results is provided below.
Soil
Polynuclear aromatic hydrocarbons (PAHs) were detected in sample SB-5 (0-2 ft), which
was collected adjacent to the inactive rail spur in the south-central portion of the Site.
Specifically, benzo(a)anthracene (9.46 mg/kg), benzo(b)fluoranthene (8.66 mg/kg), and
indeno(1,2,3-cd)pyrene (2.96 J mg/kg) were detected at concentrations above the residential
Preliminary Soil Remediation Goal (PSRG) of 1.1 mg/kg for all three compounds.
Benzo(a)pyrene (4.71 mg/kg) was detected at a concentration above the
industrial/commercial PSRG of 2.1 mg/kg.
Arsenic was detected in samples SB-2 (0-2 ft) and SB-5 (0-2 ft) at concentrations of
6.24 mg/kg and 13.3 mg/kg, respectively, which exceed the industrial/commercial PSRG of
3.0 mg/kg, the Site background detection of 3.15 mg/kg in sample BKG-1, and the average
published background concentration for North Carolina soil of 4.8 mg/kg. However, the
detected arsenic concentrations are within the range of published background concentrations
for North Carolina soil of 1.0 to 18 mg/kg. The arsenic concentrations are likely naturally
occurring.
Hexavalent chromium (0.621 J mg/kg) was detected in sample SB-5 (0-2 ft) at a
concentration above the residential PSRG of 0.31 mg/kg. Hexavalent chromium was also
detected above the residential PSRG of 0.31 mg/kg in the Site background sample BKG-1
(0.550 J mg/kg) and sample SB-2 (0.384 J mg/kg). The hexavalent chromium concentrations
are likely naturally occurring.
The results of the risk calculations using combined Site soil data indicate that the calculated
cumulative risks are below acceptable risk levels for the residential, non-residential worker,
and construction worker exposure scenarios.
Groundwater
TCE was detected in samples MW-3 (110 µg/L) and MW-4 (669 µg/L) at concentrations
above the North Carolina 2L Groundwater Standard (2L Standard) of 3.0 µg/L and the non-
residential Vapor Intrusion Groundwater Screening Level (GWSL) of 4.4 µg/L. Based on
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the direction of groundwater flow at the Site and adjacent properties, prior groundwater
analytical data for the Site and properties to the south-southwest of the Site, and prior sub-
slab vapor data for the Site, it appears that chlorinated solvent-related groundwater impacts at
the Site are related to the upgradient former Gibbs Electroplating and/or Applied Research
Group facilities located south of the Site.
Methyl tert-butyl ether (MTBE) was detected in sample MW-3 at a concentration of
636 µg/L, which exceeds the 2L Standard of 20 µg/L but is below the residential and non-
residential GWSLs of 4,500 µg/L and 20,000 µg/L, respectively.
Total Chromium was detected in MW-4 at a concentration of 394 µg/L, which exceeds the
2L standard of 10 µg/L. Prior off-Site groundwater sampling data indicate that the
chromium-impacted groundwater is likely related to the upgradient former Gibbs
Electroplating and/or Applied Research Group facilities located south of the Site.
The Prospective Developer (PD) plans to redevelop the existing buildings for restaurant, office, and
other commercial uses. On May 22, 2020, a kick-off/data gap meeting was held with H&H, the PD,
the PD’s legal counsel, and DEQ Brownfields Program personnel to discuss Site history, previous
environmental assessment, proposed redevelopment plans, data gaps, and a proposed schedule for
completing the Brownfields Agreement. This work plan describes proposed assessment activities to
address data gaps identified during the kick-off meeting. The proposed soil, sediment, surface
water, and vapor intrusion assessment activities are summarized in the following sections.
2.0 Brownfields Assessment Activities
The proposed assessment activities will be performed in general accordance with DEQ’s Inactive
Hazardous Sites Branch (IHSB) Guidelines for Assessment and Cleanup of Contaminated Sites
(Guidelines) dated January 2020 and most recent versions of the U.S. Environmental Protection
Agency (EPA) Region IV Science and Ecosystem Support (SESD) Field Branches Quality System
and Technical Procedures guidance. The proposed sample locations and analyses are summarized in
Table 1, and the proposed sampling locations are shown on Figure 3.
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Prior to conducting the field activities, H&H will contact North Carolina 811, the public utility
locator, to mark subsurface utilities located on the Site. H&H will also contract with a private utility
locator to screen the proposed boring location for subgrade utilities which may not be identified by
the public locator. Additionally, each boring location will be hand cleared to approximately 5 ft
below ground surface (bgs) to further screen the boring locations for the presence of subsurface
utilities.
2.1 Soil Assessment Activities
H&H proposes to collect three soil samples (SB-6 through SB-8) to further evaluate shallow soil
conditions in the former automotive scrapyard in the central portion of the Site. In addition, one soil
sample (SB-9) is proposed to evaluate a potential solvent vapor source below the central portion of
the building at 2315 N. Davidson Street. The proposed soil sample locations are depicted on
Figure 2.
H&H will direct a drilling contractor to advance the soil boring to an estimated depth of 5 ft bgs
using a decontaminated stainless-steel hand auger. Continuous soil samples will be retrieved from
the borehole, logged for lithologic description, observed for visual and olfactory evidence of
impacts, and screened for the presence of volatile organic vapors with a calibrated photoionization
detector (PID). One soil sample from borings SB-6 through SB-8 will be collected from
approximately 1-3 ft bgs for laboratory analysis unless field screening indicates obvious soil impacts
between 3 and 5 ft bgs. One soil sample will be collected for laboratory analysis from boring SB-9
from a depth of approximately 3-5 ft bgs unless field screening indicates obvious soil impacts
between the base of the concrete slab and 3 ft bgs.
Following collection, the 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 for shipment to a North Carolina-certified laboratory under
standard chain of custody protocols. Soil samples SB-6 through SB-8 will be analyzed for VOCs by
EPA Method 8260, semi-VOCs (SVOCs) by EPA Method 8270, Resource Conservation and
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Recovery Act (RCRA) metals by EPA Methods 6020/7471, hexavalent chromium by EPA Method
7199, and polychlorinated biphenyls (PCBs) by EPA Method 8082. In addition, samples SB-6
through SB-8 may also be analyzed for PCB congeners by EPA Method 1668 if PCBs are detected
in one or more soil samples using EPA Method 8082. H&H will contact you to discuss preliminary
data prior to analyzing a sample for congener-specific analysis. Soil sample SB-9 will be analyzed
for VOCs by EPA Method 8260, SVOCs by EPA Method 8270, RCRA metals by EPA Methods
6020/7471, and hexavalent chromium by EPA Method 7199.
Following sampling, the soil borings will be properly abandoned using hydrated bentonite, and the
ground surface will be restored to match approximate pre-drilling conditions.
2.2 Sediment and Surface Water Sampling
H&H proposes to collect two surface water samples from Little Sugar Creek located along the
northwestern Site boundary during approximate “base flow” conditions. One surface water sample
(SW-1) will be collected from the downgradient portion of Little Sugar Creek in the western portion
of the Site, and one surface water sample (SW-2) will be collected from the upgradient portion of
Little Sugar Creek in the northern portion of the Site. The locations of the proposed surface water
samples are depicted on Figure 3.
H&H will utilize water quality meters to collect measurements of pH, temperature, dissolved
oxygen, oxidation reduction potential, turbidity, and specific conductivity of surface water at the
sample locations. Following collection of field measurements, the surface water samples will be
collected directly into laboratory provided sample containers or via a decontaminated, stainless steel
scoop.
The majority of the tributary stream/drainage ditch in the northeastern portion of the Site is
culverted, and the exposed drainage channel does not contain water during dry weather conditions.
Therefore, H&H will collect one sediment sample (SED-1) from the drainage channel near the
northeastern Site boundary. The location of the proposed sediment sample is depicted on Figure 3.
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Sediment samples will be collected using a decontaminated stainless-steel dredge sampler or hand
auger. Sediment samples will be collected in laboratory-supplied sample containers.
The sample containers will be labeled with the sample identification, date, and requested analysis,
and placed in a laboratory supplied cooler with ice. The samples will be delivered to a North
Carolina-certified laboratory under standard chain of custody protocols for analysis of VOCs by
EPA Method 8260, SVOCs by EPA Method 8270, and RCRA metals by EPA Method 6010/7471.
In addition, the sediment samples will also be submitted for hexavalent chromium analysis by EPA
Method 7199.
Upon completion of sampling, the surface water and sediment sample locations will be estimated
using a hand-held GPS unit.
2.3 Sub-Slab Vapor Sampling
To further evaluate the potential for vapor intrusion into the existing commercial buildings, H&H
proposes to collect seven sub-slab vapor samples within three existing Site buildings. Seven
temporary sub-slab vapor monitoring points will be installed within existing Site buildings. Four
sub-slab vapor samples (SS-7 through SS-10) will be collected in the building at 2315 N. Davidson
Street, and three sub-slab vapor samples (SS-11 through SS-13) will be collected from the building
at 421 E. 26th Street. The proposed sub-slab vapor sampling locations are shown on Figure 3. A
discussion of the proposed sampling activities is provided below.
The proposed sub-slab vapor samples will be installed using Cox Colvin Vapor Pin™ kits. To
install the vapor pins, H&H will use a hammer drill equipped with a 5/8-inch diameter bit to advance
a borehole through the concrete slab and approximately 6 inches into the underlying soil. Following
borehole advancement, loose cuttings will be removed and a Vapor Pin™ assembly (brass sampling
point and silicone sleeve) will be placed and seated in the drilled hole by tapping the assembly into
place using the Cox Colvin installation/extraction tool and a dead blow hammer to form an air tight
seal. Teflon® sample tubing will then be secured to the barbed end of the Vapor Pin™ assembly.
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Prior to collection of the samples, leak checks will be completed at each of the sub-slab soil vapor
monitoring points. The leak check will be performed by first placing a shroud over each sample
point including the completed sample train, flooding the shroud with helium gas, and using a
calibrated helium gas detector to measure helium concentrations within the shroud. With helium
concentrations maintained at near saturated conditions, the sample screen, sand filter pack, and
sample tubing will be purged of approximately three volumes using a syringe and three-way valve.
Vapor from the monitoring point sample tubing will be purged and sampled outside of the shroud
into a Tedlar® bag and analyzed using the helium gas detector to ensure that helium concentrations
are less than 10% of the concentration measured within the shroud.
Following a successful field leak check, the vapor samples will be collected into laboratory supplied
1-liter Summa canisters connected to in-line flow controllers with a laboratory calibrated vacuum
gauge. The flow controller will be connected to the sample tubing at each soil vapor monitoring
point using a brass nut and ferrule assembly to form an air tight seal. The flow regulator will be pre-
set by the laboratory to regulate the intake rate to approximately 100 milliliters per minute. The
intake valve on the canister will be fully opened to begin collection of the sub-slab soil vapor
sample. Vacuum readings on the Summa canister will be recorded prior to and following the sample
period to ensure adequate sample volume was collected. A vacuum will be maintained within the
canisters at the conclusion of the sampling event.
After completion of sampling, the intake valve will be closed and the regulator will be disconnected
from the sample canister. The starting and ending vacuum in each canister will be recorded on the
chain-of-custody and submitted to a laboratory along with the samples. The Summa canisters will
then be packaged and shipped to a nationally accredited laboratory under standard chain of custody
protocols for analysis of VOCs by EPA Method TO-15.
Following sample collection, the Vapor Pins™ will be removed and the concrete will be patched to
approximately match pre-drilling surface conditions.
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2.4 Quality Assurance/Quality Control Samples
The following samples will be collected for quality assurance/quality control (QA/QC) purposes:
One duplicate soil sample will be collected and analyzed for the same parameters as the
parent sample (i.e., VOCs by EPA Method 8260, SVOCs by EPA Method 8270, RCRA
metals by EPA Method 6020/7471, hexavalent chromium by EPA Method 7199, and PCBs
by EPA Method 8082).
One duplicate sediment sample will be collected and analyzed for the same parameters as the
parent sample (i.e., VOCs by EPA Method 8260, SVOCs by EPA Method 8270, RCRA
metals by EPA Method 6020/7471, and hexavalent chromium by EPA Method 7199).
One duplicate surface water sample will be collected and analyzed for the same parameters
as the parent sample (i.e., VOCs by EPA Method 8260, SVOCs by EPA Method 8270, and
RCRA metals by EPA Method 6020/7470).
One trip blank will accompany the surface water sample submitted for VOC analysis during
sampling and shipment. The trip blank will be analyzed for VOCs by EPA Method 8260.
H&H will collect one duplicate sub-slab vapor sample using a “T” sample connection which
will allow for the collection of two sub-slab vapor samples from the same location
simultaneously. The duplicate sub-slab vapor sample will be analyzed for VOCs by EPA
Method TO-15.
Non-dedicated equipment and tools will be decontaminated prior to use at each boring or sampling
location, or following exposure to soil, sediment, or surface water.
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
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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 (J Flags).
A copy of 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.
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.
2.5 Investigation Derived Waste
Based on the prior data, investigation derived waste (IDW) generated during the assessment
activities will be thin spread on-Site. However, if significant impacts are suspected, the soil cuttings
will be containerized in 55-gallon drums and staged on-Site pending analytical results of a
composite IDW sample. Based on laboratory analytical results of IDW samples, the drums will be
transported off-Site to a permitted facility for disposal, if needed.
2.6 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, a figure depicting sample locations, soil boring logs, a discussion of the data
in comparison to regulatory screening levels, laboratory analytical data, and conclusions and
recommendations concerning our activities.
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We look forward to your approval of this work plan. Should you have any questions or need
additional information please do not hesitate to call me at (704) 586-0007.
Sincerely,
Hart & Hickman, PC
Bo Cappleman, PG
Due Diligence Manager
cc: Mr. Paul Kardous, Mill District Partners LLC (via email)
Mr. Chris Walker, Alexander Ricks, PLLC (via email)
Attachments
Table 1 Proposed Sample Locations and AnalysesNorth Davidson II Brownfields Property2315 N. Davidson Street and 421 E. 26th StreetCharlotte, North CarolinaDEQ Brownfields Project No. 24003-20-060H&H Job No. PAM-003SB-61-38260, 8270, 6020/7471, 7199, 8082 --- --- ---SB-71-38260, 8270, 6020/7471, 7199, 8082 --- --- ---SB-81-38260, 8270, 6020/7471, 7199, 8082 --- --- ---SB-9Evaluate a potential source of sub-slab chlorinated solvent vapor in the building at 2315 N. Davidson Street.3-58260, 8270, 6020/7471, 7199 --- --- ---SS-7 through SS-10Evaluate the potential for vapor intrusion in the building at 2315 N. Davidson Street.--- --- --- --- TO-15SS-11 through SS-13Evaluate the potential for vapor intrusion in the building at 421 E. 26th Street.--- --- --- --- TO-15SW-1 and SW-2Evaluate downgradient and upgradient surface water conditions in Little Sugar Creek--- --- ---8260, 8270, 6020/7470---SED-1Evaluate sediment conditions in the exposed portion of the intermittent tributary/drainage feature in the northern portion of the Site--- ---8260, 8270, 6020/7471, 7199--- ---Notes:One duplicate soil sample, sediment sample, surface water sample, sub-slab vapor sample will be collected for the laboratory analyses noted above.ft bgs = feet below ground surface; --- = not applicableSurface Water Analytical MethodsSub-Slab Vapor Analytical MethodSample Objective(s)Estimated Sample Depth (ft bgs)Sample IDSoil Analytical MethodsEvalute shallow soil conditions within the former automotive scrapyard in the central portion of the Site.B4:B4:B11Sediment Analytical MethodsS:\AAA‐Master Projects\PAMAKA ‐ PAM\PAM‐003 N. Davidson & E. 26th\Brownfields Assessment\Work Plan\Tables\Proposed Sample Summary Table (7‐24‐20)7/24/2020Table 1Hart & Hickman, PC
0 2000 4000
APPROXIMATE
SCALE IN FEET
N
U.S.G.S. QUADRANGLE MAP
QUADRANGLE
7.5 MINUTE SERIES (TOPOGRAPHIC)
CHARLOTTE EAST, NORTH CAROLINA 1991
TITLE
PROJECT
SITE LOCATION MAP
NORTH DAVIDSON II BROWNFIELDS PROPERTY
2315 N. DAVIDSON STREET & 421 E. 26TH STREET
CHARLOTTE, NORTH CAROLINA
DATE:
JOB NO:
REVISION NO:
FIGURE:
5-18-20 0
1PAM-003
SITE
LITTLE SUGAR CREEKREVISION NO. 0
JOB NO. PAM-003
DATE: 5-28-20
FIGURE NO. 2
NORTH DAVIDSON II BROWNFIELDS PROPERTY
2315 N. DAVIDSON STREET & 421 E. 26TH STREET
CHARLOTTE, NORTH CAROLINA
SITE MAP
LEGEND
SITE PROPERTY BOUNDARY
FORMER RAIL SPUR
SURFACE WATER
2923 South Tryon Street-Suite 100
Charlotte, North Carolina 28203
704-586-0007(p) 704-586-0373(f)
License # C-1269 / #C-245 GeologyLYNX
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N. D
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NODA APPLIANCE
WAREHOUSE
FIVE RINGS
STRENGTH &
CONDITIONING
FORMER
LUMBER
SHED
APPROXIMATE
LOCATION OF
FORMER AUTO
REPAIR SHOP
FORMER
MUNDET
CORK
CORP.
FORMER
LAWRENCE
KNITTING
MILLS
VACANT SUITE /
FORMER BREWERY
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NOTES:
1. AERIAL IMAGERY OBTAINED FROM MECKLENBURG
COUNTY GIS (2019).
NODA SELF STORAGE
(FORMER U.S. TEXTILE CORP.)
(2401 N. DAVIDSON STREET)
YANDLE METAL SHOP
(2414 N. DAVIDSON STREET)
YANDLE METAL SHOP
(FORMER GENERAL LATEX &
CHEMICAL CORP.)
(2414 N. DAVIDSON STREET)
COLLECTIVE APARTMENT COMPLEX
(FORMER R.H. BOULIGNY, INC.)
(2300 N. DAVIDSON STREET)
NODA BREWING COMPANY
(FORMER GIBBS ELECTROPLATING)
(2229 N. DAVIDSON STREET)
PERFORMANCE LOGISTICS
(511 E. 25TH STREET)
WOODTECH INTERIORS, INC
(2228 N. BREVARD STREET)
SUPERIOR STONE OF THE
SOUTHEAST
(2310 N. BREVARD STREET)
FORMER APPLIED
RESEARCH GROUP
(2221 N. DAVIDSON STREET)
RHINO MARKET & DELI AND
FREE RANGE BREWING
(2320 N. DAVIDSON STREET)
VACANT OFFICES AND
WAREHOUSE / FORMER
WALKER MARTIN, INC.
ELECTRICAL APPLIANCE
WAREHOUSE
\\hhfs01\MasterFiles\AAA-Master Projects\PAMAKA - PAM\PAM-003 N. Davidson & E. 26th\Brownfields Letter - May 2020\Figures\Site Map_R2.dwg, FIG 2, 5/28/2020 4:50:17 PM, SVincentHISTORICAL AUTO SCRAPYARD
LITTLE SUGAR CREEKSB-6
SW-1
SB-7
SS-11
SS-13
SB-8
SB-9
SS-7
SS-10
SS-9
SS-8
SS-12
REVISION NO. 0
JOB NO. PAM-003
DATE: 7-14-20
FIGURE NO. 3
NORTH DAVIDSON II BROWNFIELDS PROPERTY
2315 N. DAVIDSON STREET & 421 E. 26TH STREET
CHARLOTTE, NORTH CAROLINA
PROPOSED SAMPLE LOCATION MAP
LEGEND
SITE PROPERTY BOUNDARY
FORMER RAIL SPUR
SURFACE WATER/DRAINAGE DITCH
PROPOSED SOIL SAMPLE
PROPOSED SUB-SLAB VAPOR
SAMPLE
PROPOSED SURFACE WATER
SAMPLE
PROPOSED SEDIMENT SAMPLE
2923 South Tryon Street-Suite 100
Charlotte, North Carolina 28203
704-586-0007(p) 704-586-0373(f)
License # C-1269 / #C-245 GeologyLYNX LIGHT
RAIL
N. DAVIDSON STREET
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N. BREVARD STRE
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NOTES:
1. AERIAL IMAGERY OBTAINED FROM MECKLENBURG
COUNTY GIS (2019).S:\AAA-Master Projects\PAMAKA - PAM\PAM-003 N. Davidson & E. 26th\Brownfields Assessment\Work Plan\Figures\Site Map_R2.dwg, FIG 3, 7/14/2020 4:50:07 PM, mvawterSED-1
SW-2