HomeMy WebLinkAbout20070_Scottish Rite Temple_Work Plan_20161202
Via email
December 2, 2016
NC DEQ
Brownfields Program
Mail Service Center 1646
Raleigh, North Carolina 27699-1646
Attn: Ms. Hayley Irick
Re: Work Plan (Revision 1)
Soil Sampling Activities
Scottish Rite Temple
4640 and 4740 Randolph Road
Charlotte, Mecklenburg County, NC
DEQ Brownfields Project No. 20070-16-060
H&H Job No. GSL-002
Dear Hayley:
1.0 Introduction and Background Information
On behalf of the prospective developer (PD) Greystar GP II, LLC and based upon our Kick-
Off/Data Gap meeting on November 7, 2016, Hart & Hickman, PC (H&H) is presenting this
work plan to conduct soil sampling at the Scottish Rite Temple Brownfields Site located at 4640
to 4740 Randolph Road in Charlotte, Mecklenburg County, North Carolina. A site location map
is include as Figure 1. The subject site consists of two contiguous parcels of land (Parcel #s
18502136 and 18502134) of approximately 6.4 acres and are developed with the following
structures:
4640 Randolph Road – one-story single-family residence (2,127 square ft) built in
1953; and
4740 Randolph Road – split-level institutional building (40,596 square ft) built in
1978/1979.
Ms. Hayley Irick
December 2, 2016
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The residence is currently vacant and the property is partially over-grown with vegetation. The
institutional building is utilized by the Scottish Rite Masonic organization as an office/meeting
facility.
During recent Phase I ESA activities, H&H identified the following environmental issues
associated with the subject site:
Jamgotch Residence - Water Supply Well
The vacant residential property (owned be Mr. Nish Jamgotch) is located in the northern portion
of the site. The EDR environmental database report listed the following databases under the
name the Jamgotch Well: Recovered Government Archive (RGA) Hazardous Waste Site
(HWS), Incident Management Database (IMD), and State Hazardous Waste Site (SHWS).
According to information provided in the databases, methyl tert-butyl ether (MTBE) was
detected in a groundwater sample collected from a water supply well located adjacent to the
residence. The water supply well was sampled during a January 2002 groundwater assessment
event associated with an off-site leaking underground storage tank (LUST) incident reported at
the Unocal service station located approximately 950 ft north-northwest and topographically
cross-gradient of the subject site. According to the databases, the status of the Jamgotch Well
incident has not been determined. The water supply well was reportedly located southwest of the
residence. However, H&H did not located the water supply well during our site reconnaissance
of the residential property.
H&H reviewed previous reports from the North Carolina Department of Environmental Quality
(DEQ) CARA³ (currently Laserfiche) web-portal to obtain additional information regarding the
Jamgotch Well incident. According to information obtained during our review of environmental
reports, Mecklenburg County Division of Water Quality (DWQ) collected groundwater samples
from the Jamgotch well between January 2002 and April 2006. 1,2-dichloropropane (1,2-DCP)
was identified in groundwater samples collected from the water supply well at concentrations of
1.3 micrograms per liter (µg/L) to 2.7 µg/L, which are above the current NC Groundwater
Ms. Hayley Irick
December 2, 2016
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Quality Standard (2L Standard) of 0.6 µg/L. 1,2-DCP is a volatile organic compound (VOC)
historically used as a fumigant and in paint strippers. The VOCs 1,1-dichloroethene (1,1-DCE,
<0.25 to 0.41 µg/L) and chloroform (<0.25 to 0.34 µg/L) were also detected in groundwater
samples collected from the Jamgotch Well at concentrations below their current 2L Standards of
7 µg/L (for a private well) and 70 µg/L, respectively. MTBE was not detected above laboratory
detection limits in groundwater samples collected from the Jamgotch well after April 2002.
State toxicologist Mr. Ken Rudo with the Occupational and Environmental Epidemiology Branch
of NC Department of Health and Human Services (DHHS) last reviewed groundwater data from
the Jamgotch well in January 2006. He reported that lab results were not conclusive and he
recommended conducting additional sampling. The last Jamgotch well groundwater sampling
event was conducted in April 2006.
H&H interviewed Ms. Shawna Caldwell with Mecklenburg County Groundwater Services, and
Mr. Dave Ramey and Mr. Vincent Antrilli with the DEQ Inactive Hazardous Sites Branch
(IHSB) to determine the current status of the Jamgotch well release incident. Ms. Caldwell, Mr.
Ramey, and Mr. Antrilli reported confirmed that the incident has not been closed by either
Mecklenburg County or NC DEQ and the source of the release has not been identified. Ms.
Caldwell checked Mecklenburg County records and reported that the property was connected to a
municipal water supply in 2005. She also noted that Mecklenburg County does not have a record
that the Jamgotch well was abandoned; however, H&H was not able to locate the water supply
well during recent assessment activities.
Hydraulic Elevators
H&H identified two hydraulic elevators located in the southern and eastern portions of the
Scottish Rite Temple building. The elevators were installed during construction of the building
in 1978/1979. The elevators are constructed with in-ground pistons and are equipped with
mechanical system and reservoir tanks located in adjacent storage rooms. Site contact Mr. DC
Ms. Hayley Irick
December 2, 2016
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Heilman with the Scottish Rite Temple reported that the elevators are serviced on a routine basis
by Otis Elevator Company (Otis).
H&H contacted Mr. Steve Verta with Otis who confirmed that they service the elevators located
in the Scottish Rite Temple building. Mr. Verta reported that there have not been any reported
issues regarding elevator failure or unexplained lack of hydraulic fluid. The hydraulic fluid
reservoirs were observed to be in good condition in the nearby elevator equipment rooms with
only minor oil staining observed to the concrete floor below the mechanical system associated
with the southern elevator. Based on the age of the elevators (installed in 1978/1979), it is
possible that hydraulic fluid utilized in the elevators may contain polychlorinated biphenyls
(PCBs). It is also possible that a hydraulic oil release could have occurred to the in-ground
pistons below the elevators.
Underground Storage Tank
H&H identified a fill port and vent cap associated with an approximate 1,000-gallon
underground storage tank (UST) located southwest of the Scottish Rite Temple building. Site
contact Mr. Heilman reported that the building is currently heated with natural gas. He reported
that the UST was installed to store fuel oil for use as a backup fuel supply in the late 1970s.
However, he reported that the UST was currently empty and had never contained fuel oil or other
petroleum product. The UST is not identified on environmental databases in the EDR report and
H&H did not locate a record of the UST during our review of DEQ Division of Waste
Management (DWM) UST regulatory databases, documents, and files. Because the UST never
contained fuel oil and due to the lack of a reported release incident, the potential for impact to the
subject site appears low.
As discussed with DEQ during the recent Kick-Off/Data Gap meeting, H&H proposes to conduct
soil sampling at the site to determine if VOCs, Semi-VOCs (SVOCs), and Resource
Conservation and Recovery Act (RCRA) metals are present in soil on the Jamgotch and Scottish
Rite Temple properties prior to redevelopment. The assessment activities will be carried out in
Ms. Hayley Irick
December 2, 2016
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general accordance with the methods stated in the DEQ IHSB Guidance documents field
procedures and US Environmental Protection Agency (EPA) Region 4 Standard Operating
Procedures. Details concerning these activities are provided below.
2.0 Soil and Groundwater Sampling
Soil Sampling
H&H proposes to advance nine soil borings (SS-1 through SS-9) at locations on the Brownfields
property near the Jamgotch residence and on the Scottish Rite Temple property to determine if
1,2-DCP or other VOCs are present in soil. The soil borings will be advanced to a depth of 4 ft
below ground surface (bgs) using a decontaminated hand auger and soil from the borings will be
field screened for the presence of odor, staining, and elevated photoionization detector (PID)
readings. A shallow soil sample (0.5 to 1.5 ft bgs) and a deeper soil sample (3 to 4 ft bgs) from
each soil boring will be submitted for laboratory analysis for VOCs by EPA Method 8260B,
SVOCs by EPA Method 8270, and RCRA Metals by EPA Method 6010/7470. Soil boring logs
will be prepared for the soil borings. Proposed soil sample locations are depicted on Figure 2.
Groundwater Sampling
H&H proposes to install one (1) temporary groundwater monitoring well (TMW-1) near the
Jamgotch residence using a direct-push technology (DPT) rig. The TMW-1 location is depicted
on Figure 2.
The temporary well will be installed near the existing residential water supply well to a depth of
approximately 30 ft bgs (estimated) and will be constructed of 1-inch diameter PVC with 10 ft to
15 ft of well screen with a sand filtered pre-packed screen set to bracket the water table.
Hydrated bentonite will be placed from the top of sand to the ground surface. Following
installation, the well will be developed using standard protocol. Following development, the
well will be purged and groundwater sampled using bailer or low flow/low stress methods.
Following sample collection, the groundwater sample will be sent to a certified laboratory under
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December 2, 2016
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standard chain-of-custody protocol for analysis of VOCs by EPA Method 8260, SVOCs by EPA
Method 8270, and RCRA metals by EPA Method 6010/7470.
Lead Drip Line Soil Sampling
H&H proposes to advance shallow soil borings along the drip line of the Jamgotch residence and
the Scottish Rite Temple building located on the Brownfields property to characterize soil for
lead prior to redevelopment. The soil borings will be advanced to a depth of 2 ft bgs on each side
of the residence and Scottish Rite Temple using a decontaminated hand auger and the soil
samples will be field screened in a manner similar to the soil samples discussed above. H&H
will also observe the soils for visual evidence of paint chips. At each structure location, one
composite soil sample from the drip line (two composite soil samples total [DL-1 and DL-2])
will be submitted for laboratory analysis for lead by EPA Method 6020B. Proposed drip line
composite soil sample locations are depicted on Figure 2.
Hydraulic Elevator and UST
H&H proposes to collect two samples of hydraulic oil from each reservoir of the two
aboveground hydraulic elevator mechanical pumps/tanks. The hydraulic oil samples will be
analyzed by PCBs by EPA Method 8082A.
Future site redevelopment activities will be addressed in an Environmental Management Plan
(EMP) that will be prepared for the site. The EMP will include a requirement to field screen soil
during the potential removal of the hydraulic elevator in-ground pistons and removal of the
empty UST identified on the Scottish Rite Temple property. If obvious evidence of petroleum-
impacted soil is identified during closure of the hydraulic elevator in-ground pistons, one soil
sample from each hydraulic elevator excavation will be submitted for laboratory analysis for
semi-VOCs (SVOCs) by EPA Method 8270D and extractable petroleum hydrocarbons (EPH) by
the Massachusetts Department of Environmental Protection (MADEP) Method. If PCBs are
detected in the hydraulic oil samples analyzed by EPA Method 8082A, soil samples collected
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December 2, 2016
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from each hydraulic elevator excavation will also be analyzed for PCBs using the congener
method (EPA Method 1668).
If obvious evidence of petroleum-impacted soil is identified during removal of the UST, two soil
samples from the tank excavation will be submitted for laboratory analysis for VOCs by EPA
Method 8260B, SVOCs by EPA Method 8270D, and volatile petroleum hydrocarbons (VPH)
and EPH by the MADEP Method.
QA/QC Sample
As requested by DEQ, H&H will collect a shallow (0.5 to 1.5 ft bgs) and deeper (3 to 4 ft bgs)
duplicate soil sample (DUP-1) from one of the soil boring locations advanced on the Jamgotch or
the Scottish Rite Temple property for quality assurance/quality control (QA/QC) purposes.
Similar to the soil samples, the shallow and deeper duplicate soil sample will be submitted for
laboratory analysis for VOCs by EPA Method 8260B. H&H will request a Level II QA/QC data
package from the laboratory.
IDW Management
Investigation derived waste (IDW) soil cuttings will be placed back into the soil boring at each
location. If significant impacts are suspected in the soil cuttings based on field screening, those
soils will be placed into a sealed container for subsequent waste profiling and proper disposal.
3.0 Reporting
Following completion of the soil sampling activities and receipt of analytical data, H&H will
prepare a letter report. The report will include the methods and results of soil sampling activities,
a comparison of the data to DEQ screening levels, a figure depicting the sample locations, and
conclusions concerning our activities. The report will be submitted to DEQ for review.
H&H will submit a separate letter report to DEQ documenting the hydraulic elevators in-ground
pistons and UST removal results when this activity is completed.
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4640-4740 RANDOLPH ROAD
CHARLOTTE, NORTH CAROLINA
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JOB NO:
REVISION NO:
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1GSL-002
CHARLOTTE EAST, NORTH CAROLINA (1991)
2923 S. Tryon Street, Suite 100Charlotte, NC 28203704.586.0007(p) 704.586.0373(f)
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