HomeMy WebLinkAboutRA-493_1943_CA_MRP_20140421_SME GW Monitoring ReportGroundwater Monitoring Report S&ME Project No. 4305-14-077
TF-1943 Wise Convenience Mart, Wise, Warren County, NC April 21, 2014
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TABLE OF CONTENTS
SITE IDENTIFICATION...................................................................... ii
1.0 SCOPE OF SERVICES ................................................................ 1
2.0 SITE HISTORY ........................................................................... 2
3.0 GROUNDWATER MONITORING ................................................ 3
3.1 MONITOR WELL GAUGING AND SAMPLING ............................................................ 3
3.2 MONITOR WELL SAMPLING RESULTS ..................................................................... 3
3.3 WATER SUPPLY WELL SAMPLING .......................................................................... 4
3.4 WATER SUPPLY WELL SAMPLING ANALYTICAL RESULTS ..................................... 4
4.0 CONCLUSIONS AND RECOMMENDATIONS ............................. 5
TABLES
TABLE 1 MONITOR WELL CONSTRUCTION AND GROUNDWATER ELEVATION
DATA
TABLE 2 SUMMARY OF GROUNDWATER SAMPLING ANALYTICAL RESULTS
TABLE 3 WATER SUPPLY WELL OWNER INFORMATION
TABLE 4 SUMMARY OF WATER SUPPLY WELL SAMPLING RESULTS
FIGURES
FIGURE 1 VICINITY MAP
FIGURE 2 SITE MAP
FIGURE 3 GROUNDWATER ELEVATION MAP
FIGURE 4 GROUNDWATER CONSTITUENT MAP
FIGURE 5 WATER SUPPLY WELL CONSTITUENT MAP
APPENDICES
APPENDIX I LIMITED HISTORICAL INFORMATION
APPENDIX II SITE PHOTOGRAPHS
APPENDIX III GROUNDWATER SAMPLING FORM
APPENDIX IV LABORATORY ANALYTICAL REPORT AND CHAIN OF CUSTODY FORM
Groundwater Monitoring Report S&ME Project No. 4305-14-077
TF-1943 Wise Convenience Mart, Wise, Warren County, NC April 21, 2014
1
1.0 SCOPE OF SERVICES
The scope of services performed for this report was performed in general accordance
with S&ME’s Proposal No. 43-1400210, dated March 3, 2014, as authorized by
NCDENR, Task Authorization TA-01 on March 4, 2014, and within NCDENR’s contract
No. N14002i.
S&ME’s approved scope of services included conducting the initial project review and
setup, mobilizing to the site and collecting groundwater samples from up to eight monitor
wells (MW-1 through MW-7, and DW-1), collecting water samples from up to 11 water
supply wells (WSW-1 through WSW-11, including influent and effluent samples from
WSW-4), and preparing this groundwater monitoring report. The scope of services for
this task was completed with the following exceptions:
Monitor well MW-1 contained approximately 0.25 inches of product and was not
sampled;
Water supply wells WSW-2, WSW-3, and WSW-5 have no power and are not in
service and were not sampled; and,
Water supply wells WSW-4, WSW-9, and WSW-10 were not sampled because
the homeowners were not present at the time of sampling.
Groundwater Monitoring Report S&ME Project No. 4305-14-077
TF-1943 Wise Convenience Mart, Wise, Warren County, NC April 21, 2014
2
2.0 SITE HISTORY
The former Wise Convenient Mart is located at 2027 US Highway 1 North in Wise,
Warren County, North Carolina. The site consists of the former Wise Convenient Mart
structure (now vacant), three occupied residential homes, and several storage sheds and
outbuildings. The approximate coordinates of the former Wise Convenient Mart
structure are 36° 30’ 14.00” North and 78° 10’ 46.25” West. The surrounding area of the
site consists of rural residential homes and farmland. The site and vicinity are shown on
Figure 1 and the site is shown on Figure 2.
According to a Groundwater Monitoring Report prepared by Terraquest Environmental
Consultants, P.C. (Terraquest), and dated January 4, 2011, two 550-gallon gasoline
underground storage tanks (USTs) were installed at the site prior to 1954. The USTs
were reportedly removed from the site in 1988, prior to the existence of UST regulations.
The Terraquest report references a Phase II Limited Site Assessment prepared by ATC
Associates on May 19, 2006 (S&ME did not receive a copy of this report for review).
According to the ATC report, 11 private water supply wells were identified in the vicinity
of the site. Municipal water service is reportedly available to the site and surrounding
properties. ATC installed five groundwater monitor wells (labeled as MW-1 through
MW-5) at the site and collected groundwater and soil samples. The laboratory analtycial
results of the groundwater samples collected by ATC indicated that several volatile
organic compounds (VOCs) were detected in concentrations exceeding their respective
North Carolina 2L Groundwater Standards (2LStandards) in monitor wells MW-1, MW-
2, and MW-5. The laboratory analytical results of soil samples collected by ATC were
not available. One additional monitor well (MW-6) was installed to further delineate the
extent of groundwater contamination.
On November 11, 2010, Terraquest completed a Comprehensive Site Assessment (CSA)
at the site. During this investigation, one additional Type II shallow monitor well (MW-
7) and Type III deep monitor well (DW-1) were installed at the site. During the
investigation, approximately 0.75 feet of free product was measured in MW-1.
Between April 12 and 16, 2010, Terraquest conducted a mobile multi-phase extraction
(MMPE) event at the site. During the event, 8,559 gallons of contaminated groundwater
were recovered. A total of 708.15 pounds (approximately 131.38 gallons) of petroleum
as gasoline were calculated to have been discharged as vapor.
On October 22, 2012, Crawford Environmental Services (CES) collected groundwater
samples from the monitor well network. The laboratory analytical results of the
groundwater samples indicated that several VOCs were detected in concentrations
exceeding their respective 2L Standards in the samples collected from MW-1, MW-2,
and MW-5. Five water supply wells were sampled (WSW-1, WSW-4, WSW-5A, and
WSW-6). Concentrations of VOCs were detected in concentrations below their
respective 2L Standards in the samples collected from water supply wells WSW-1,
Groundwater Monitoring Report S&ME Project No. 4305-14-077
TF-1943 Wise Convenience Mart, Wise, Warren County, NC April 21, 2014
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WSW-4 (post POE), and WSW-5A. Limited historical information is provided in
Appendix I.
Groundwater Monitoring Report S&ME Project No. 4305-14-077
TF-1943 Wise Convenience Mart, Wise, Warren County, NC April 21, 2014
3
3.0 GROUNDWATER MONITORING
Site activities were performed in general accordance with a site-specific health and safety
plan (HASP) prepared by S&ME. The assessment was conducted in general accordance
with the procedures outlined in the NCDENR UST Section Guidelines for the Assessment
and Corrective Action for UST Releases, dated July 2008, updated December 1, 2013
(Guidelines). Photographs taken during site activities are included in Appendix II.
3.1 Monitor Well Gauging and Sampling
On March 13, 2014, S&ME personnel gauged depth to water and collected groundwater
samples from seven groundwater monitor wells at the site (MW-2, MW-3, MW-4, MW-
5, MW-6, MW-7, and DW-1). Monitor well MW-1 contained approximately 0.25 inches
of free product and was not sampled. The depth to water was measured in monitor wells
using an electronic water meter that emits an audible signal when it contacts water. The
depth to groundwater ranged from 16.21 feet below the top of casing in MW-3 to 20.29
feet below the top of casing in MW-5. The groundwater elevations are shown on Figure
3. Groundwater generally flows to the north. The depth to water measurements and the
monitor well construction details are provided in Table 1.
Groundwater samples were collected using new polyethylene bailers. Each monitor well
was purged of two to three casing volumes of water, and until field parameters of
temperature, pH, and electrical conductance stabilized. The field parameter readings are
shown in the Groundwater Sampling Forms, provided in Appendix III.
The groundwater samples were placed in laboratory-supplied containers, stored in a
cooler on ice, and shipped under chain-of-custody procedures to Con-Test Analytical
Laboratory (Con-Test), a North Carolina certified laboratory, for laboratory analysis.
The samples were analyzed for VOCs by EPA Method 6200B.
3.2 Monitor Well Sampling Results
The laboratory analytical results of the groundwater samples collected on March 13, 2014
indicated that the following target contaminant constituents were detected in
concentrations exceeding their respective 2L Standards:
Benzene: in MW-2, MW-5, and MW-6;
di-isopropyl ether: in MW-5;
naphthalene: in MW-5;
toluene: in MW-5; and,
total xylenes: in MW-5.
Several other VOCs were detected in concentrations exceeding their respective laboratory
detection limits but below their respective 2L Standards in MW-2, MW-4, MW-5, MW-
6, and MW-7. The groundwater analytical results shown on Figure 4 and are
summarized on Table 2. The laboratory analytical report and chain-of-custody form are
included in Appendix IV.
Groundwater Monitoring Report S&ME Project No. 4305-14-077
TF-1943 Wise Convenience Mart, Wise, Warren County, NC April 21, 2014
4
3.3 Water Supply Well Sampling
On March 13, 2014, S&ME personnel collected samples from six water supply wells
(WSW-1, WSW-5A, WSW-6, WSW-7, WSW-8, and WSW-11). Water supply wells
WSW-2, WSW-3, and WSW-5 are not in service and were not sampled. Water supply
wells WSW-4, WSW-9, and WSW-10 were not sampled because nobody was present at
the residences at the time of sampling. Water supply well information is included in
Table 3. Water supply well locations are presented on Figure 5. The water supply wells
were collected from exterior spigots closest to the actual location of the water supply
wells. The water supply wells were allowed to operate for approximately 15 minutes
before sampling.
The water supply well samples were placed in laboratory-supplied containers, stored in a
cooler with ice, and shipped under chain-of-custody procedures to Con-Test to be
analyzed for VOCs by EPA Method 6200B.
3.4 Water Supply Well Sampling Analytical Results
The laboratory analytical results of the water supply wells samples collected on March
13, 2014 indicated that methyl tert-butyl ether (MTBE) was detected in concentrations
below the 2L Standard in the water supply well samples collected from WSW-1 and
WSW-7. In addition, 1,2-dichloroethane and di-isopropyl ether were detected below
their respective 2L Standards in the water sample collected from WSW-5A.
On March 28, 2014, S&ME’s Michael Pfeifer informed Mr. Mark Petermann
(NCDENR’s Incident Manager) of the results of the water supply well samples via an
email message.
A summary of current and historical groundwater analytical results and a comparison to
NCDENR’s regulatory standards is included on Table 4. The water supply well
constituent concentrations are presented on Figure 5. A copy of the groundwater
sampling form is included in Appendix III. A copy of the laboratory analytical results
and chain-of-custody form is included in Appendix IV.
Groundwater Monitoring Report S&ME Project No. 4305-14-077
TF-1943 Wise Convenience Mart, Wise, Warren County, NC April 21, 2014
5
4.0 CONCLUSIONS AND RECOMMENDATIONS
Two 550-gallon gasoline USTs were installed at the site in 1954 and removed
from the site in 1988.
Municipal water is available to the site and surrounding properties. Nine active
potable water supply wells are located within 1,000 feet of the site.
On March 13, 2014, S&ME collected groundwater samples from seven
groundwater monitor wells at the site (MW-2, MW-3, MW-4, MW-5, MW-6,
MW-7, and DW-1). Monitor well MW-1 contained approximately 0.25 inches of
free product and was not sampled. The laboratory analytical results of the
groundwater samples indicated that several VOCs were detected in concentrations
exceeding their respective 2L Standards in MW-5. In addition, benzene was also
detected above the 2L Standard in monitor wells MW-2 and MW-6.
On March 13, 2014, S&ME collected water samples from six water supply wells
(WSW-1, WSW-5A, WSW-6, WSW-7, WSW-8, and WSW-11). Six other water
supply wells (WSW-2, WSW-3, WSW-4, WSW-5, WSW-9, and WSW-10) were
not sampled because they were either inactive or the homeowner was not present
at the time of sampling. The laboratory analytical results of the water supply well
samples indicated that MTBE was detected below the 2L Standard in WSW-1 and
WSW-7 and 1,2-dichloroethane and di-isopropyl ether were detected below their
respective 2L Standards in the water sample collected from WSW-5A.
S&ME Recommends:
Determine if water supply well owners will connect to the municipal service;
Evaluate the potential for vapor intrusion to the building near the impacted
groundwater plume;
Continue sampling of selected water supply wells on a semi-annual basis; and,
Evaluating free product and source area remediation alternatives.
TABLES
3/8/2006 17.79 0.00 79.67
9/18/2007 20.43 0.00 77.03
8/26/2009 21.52 0.75 75.98
11/9/2011 20.28 0.00 77.18
9/25/2012 19.42 0.00 78.04
3/13/2014 17.15 0.25 80.32
3/8/2006 20.39 0.00 78.41
9/18/2007 22.18 0.00 76.62
8/26/2009 22.50 0.00 76.30
11/9/2011 22.12 0.00 76.68
9/25/2012 21.26 0.00 77.54
3/13/2014 18.88 0.00 79.92
3/8/2006 17.74 0.00 79.08
9/18/2007 19.47 0.00 77.35
8/26/2009 19.61 0.00 77.21
11/9/2011 19.28 0.00 77.54
9/25/2012 18.43 0.00 78.39
3/13/2014 16.21 0.00 80.61
3/8/2006 18.49 0.00 78.51
9/18/2007
8/26/2009 20.62 0.00 76.38
11/9/2011 20.08 0.00 76.92
9/25/2012 19.37 0.00 77.63
3/13/2014 16.97 0.00 80.03
3/8/2006 21.80 0.00 78.18
9/18/2007 23.58 0.00 76.40
8/26/2009 23.82 0.00 76.16
11/9/2011 23.53 0.00 76.45
9/25/2012 22.71 0.00 77.27
3/13/2014 20.29 0.00 79.69
9/18/2007 22.19 0.00 74.77
8/26/2009 23.39 0.00 73.57
11/9/2011 22.25 0.00 74.71
9/25/2012 21.48 0.00 75.48
3/13/2014 18.82 0.00 78.14
8/26/2009 21.02 0.00 66.65
11/9/2011 20.44 0.00 67.23
9/25/2012 19.94 0.00 67.73
3/13/2014 16.74 0.00 70.93
8/26/2009 20.81 0.00 N/A
11/9/2011 20.35 0.00 N/A
9/25/2012 Not Measured N/A N/A
3/13/2014 17.21 0.00 N/A
NOTES:
1. Top of Casing elevations and data previous to 3/13/2014 is from Crawford Environmental Services, October 22, 201 Groundwater Monitoring Report.
2. BTOC - Below top of casing
3. Ft-bgs - Feet below ground surface
4. The relative elevation for DW-1 has not been measured.
5. N/A - not applicable
Not Measured
10.0 10.0 - 30.0 30.0
55.0 55.0 - 60.0 60.0
10.0 - 25.0 25.0
10.0 10.0 - 25.0 25.0
S&ME Project No. 4305-14-077
NCDENR Incident No. 1943
Well Casing
Depth (ft.-bgs)
Well Screened
Interval (ft.-
bgs)
Total Depth
(ft)Well ID Date of
Measurement
Top of Casing
Elevation
(ft-rel)
Depth to Water
(ft BTOC)
Date
Installed
TABLE 1
Historical Groundwater Elevations
Wise Convenient Mart
2027 US Highway 1 North
Wise, Warren County, North Carolina
11/18/2005
11/18/2005
MW-1 10.0
Groundwater
Elevation
(ft)
10.0 - 25.0 25.0
10.0 10.0 - 25.0 25.0 98.80MW-2
MW-3
99.98
3/6/2006
MW-4
MW-5
96.8210.0 10.0 - 25.0 25.0
10.0 10.0 - 25.0 25.0
Free Product
Thickness (inches)
6. Groundwater elevation data for wells with measurable free product was calculated by: [Top of Casing Elevation - Depth to Water] + [free product thickness (ft) x 0.729]
6/12/2009 Not MeasuredDW-1
10.09/7/2007
MW-7 8/26/2009 87.67
MW-6 96.96
3/6/2006
3/6/2006
97.46
97.00
Contaminant of
Concern
benzenen-butylbenzene1,2-dichloroethane1,2-dibromoethane (EDB)di-isoproppyl etherethylbenzeneisopropylbenzenemethyl-tert-butyl ethernaphthalenen-propylbenzenetetrachloroethylenetoluene1,1,2-trichloroethane1,2,4-trimethylbenzene1,3,5-trimethylbenzenetotal xylenesDate
8/26/2009
11/9/2011
9/25/2012 1,100 57 BDL BDL BDL 2,090 120 BDL 589 254 13,600 2,200 618 12,310
3/13/2014
8/26/2009 82 BDL 3.1 1.5 140 10 3.5 0.79 18 1.1 BDL 6.6 BDL 63 19 282
11/9/2011 6.3 BDL BDL BDL 11.1 8.4 1.6 BDL 5.7 0.53 BDL 17.6 BDL 4.3 2.1 33
9/25/2012 82.3 BDL 2 0.71 82.2 183 6.9 1.1 49.4 14.5 BDL 714 BDL 113 36.4 646
3/13/2014 28 1 BDL BDL 25 87 2.6 BDL 13 5.6 BDL 200 BDL 39 14 239
8/26/2009 BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL
11/9/2011 BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL
9/25/2012 BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL
3/13/2014 BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL
8/26/2009 BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL 0.65 BDL BDL BDL 1.12
11/9/2011 BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL
9/25/2012 BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL
3/13/2014 BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL 0.12 BDL BDL BDL BDL BDL
8/26/2009 520 0.72 40 1.4 210 51 4.8 31 19 4.3 BDL 66 BDL 78 26 490
11/9/2011 1,680 BDL 42.2 BDL 338 245 15.7 23.8 67 14.6 BDL 637 BDL 253 79.4 1,989
9/25/2012 1,770 BDL 51.6 BDL 427 374 21.2 38.4 173 32.6 BDL 1,530 BDL 473 145 2,749
3/13/2014 1,900 6.5 58 BDL 250 370 21 11 60 30 BDL 1,400 BDL 380 110 2,350
8/26/2009 BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL
11/9/2011 BDL BDL 0.71 BDL 4.4 BDL BDL 0.86 BDL BDL BDL BDL BDL BDL BDL BDL
9/25/2012 BDL BDL 1.6 BDL 12.1 BDL BDL 2.7 BDL BDL BDL BDL BDL BDL BDL BDL
3/13/2014 5.4 BDL 7.1 0.37 54 0.41 BDL 3.4 BDL BDL BDL 0.28 0.22 0.49 BDL 2.9
8/26/2009 BDL BDL 0.75 BDL 9.2 BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL
11/9/2011 BDL BDL BDL BDL 3.6 BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL
9/25/2012 BDL BDL BDL BDL 6.1 BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL
3/13/2014 BDL BDL BDL BDL 1.9 BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL
8/26/2009 BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL
11/9/2011 BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL
9/25/2012
3/13/2014 BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL
1 70 6 0.02 70 600 70 20 6 70 0.7 600 0.6 400 400 500
5,000 6,900 6,000 50 70,000 84,500 25,000 20,000 6,000 30,000 7,000 260,000 600 28,500 25,000 85,500
Notes:
1. Analytes that are not shown were not detected for the method.
2. All concentrations are reported in micrograms per liter (µg/L).
3. 2L Standard: North Carolina Groundwater Quality Standards: 15A NCAC 2L.0202
4. VOCs: Volatile Organic Compounds5. Concentrations exceeding the 2L Standards are shown in Shaded and BOLD fields.6. Concentrations exceeding the laboratory's reporting limits are shown in BOLD fields.
7. Analysis for parameter not requested.
8. Data prior to 3/13/2014 was collected by others.
9. BDL: Below laboratory detection limits
2L Standards
Gross Contamination Levels
Not Sampled - Free Product
Not Sampled - Free Product
MW-3
MW-4
MW-5
MW-6
MW-7
DW-1
MW-2
Not Sampled
NCDENR Incident No. 1943
Not Sampled - Approximately 0.25 inches of Free Product
TABLE 2
Summary of Groundwater Analytical Results
Wise Convenient Mart
2201 US Highway 1 North
Wise, Warren County, North Carolina
S&ME Project No. 4305-14-077
Volatile Organic Compounds (VOCs) by EPA Method 6200B or Equivalent (µg/L)
Sample ID
MW-1
Private Water Supply Wells
Map ID
/Well ID Parcel Number Property Address Well Owner Owner Address Phone Number Well Use Sampled
Distance from
source area of
release*
(feet)
Comment
WSW-1 2040131168 2027 US Highway 1 North, Wise, NC Donald and Edward Paynter P.O. Box 714, Norlina, NC 252-456-2139 Potable Yes 300' SW Sample Collected
WSW-2 2040131168 2027 US Highway 1 North, Wise, NC Donald and Edward Paynter P.O. Box 714, Norlina, NC 252-456-2139 Not in Service No 80' W Well not in service.
WSW-3 2040030515 2041 US Highway 1 North, Wise, NC Walter and Joanne Paynter 2041 US Highway 1 North, Wise, NC 252-456-2408 Not in Service No 360' NW Well not in service.
WSW-4 2040030515 2041 US Highway 1 North, Wise, NC Walter and Joanne Paynter 2041 US Highway 1 North, Wise, NC 252-456-2408 Potable No 600' NW
POE system present at well.
Resident not home at time of
sampling - no sample collected.
WSW-5 2030945267 2049 US Highway 1 North, Wise, NC Willie Felts, Jr.2049 US Highway 1 North, Wise, NC 252-456-4809 Not in Service No 640' NW Well not in service.
WSW-5A 2040042185 2061 US Highway 1 North, Wise, NC Willie Felts, Jr.2049 US Highway 1 North, Wise, NC 252-456-4809 Potable Yes 1,100' NW Sample Collected
WSW-6 2040038915 2061 US Highway 1 North, Wise, NC Willie Felts, Jr.2049 US Highway 1 North, Wise, NC 252-456-4809 Potable Yes 720' NW Sample Collected
WSW-7 2040122925 2007 US Highway 1 North, Wise, NC Joe and Mary Ann Hunt P.O. Box 153, Wise, NC 252-456-4256 Potable Yes 400' S Sample Collected
WSW-8 2040123522 1989 US Highway 1 North, Wise, NC Annie Morris 1989 US Highway 1 North, Wise, NC 252-456-2540 Potable Yes 740' S Sample Collected
WSW-9 2040124079 1971 US Highway 1 North, Wise, NC Ashley and Stuart White 807 Rocker Dairy Rd., Norlina, NC 252-456-4261 Potable No 1,080' SE
Resident/Occupant not home at
time of sampling - no sample
collected.
WSW-10 2040125855 2002 US Highway 1 North, Wise, NC Ashley and Stuart White 807 Rocker Dairy Rd., Norlina, NC 252-456-4261 Potable No 560' SE
Resident/Occupant not home at
time of sampling - no sample
collected.
WSW-11 2040135011 2004 US Highway 1 North, Wise, NC Judith Sammons 2004 US Highway 1 North, Wise, NC 252-456-2028 Potable Yes 540' SE Sample Collected
Notes:
*Release are is at the intersection of Paynter Farm Road and US Highway 1 North.
1. Water Supply Wells (WSW).
2. P.O.E. = Point of Entry System
3. Refer to Figure 5 for WSW locations
4. Property address information obtained from Warren County GIS Website on March 18, 2014.
TABLE 3
Water Supply Well Information (Wells Sampled or Information Updated)
Wise Convenient Mart
2027 US Highway 1 North
Wise, Warren County, North Carolina
NCDENR Incident No. 1943
S&ME Project No. 4305-14-077
Contaminant of
Concern
benzeneethylbenzenetotal xylenesdi-isopropyl ethermethyl tert-butyl ethernaphthalene1,2-dichloroethane1,2,4-trimethylbenzene1,3,5-trimethylbenzeneDate
7/27/2009 BDL BDL BDL BDL 0.85 BDL BDL BDL BDL
9/25/2012 BDL BDL BDL BDL 0.92 BDL BDL BDL BDL
3/13/2014 BDL BDL BDL BDL 0.18 BDL BDL BDL BDL
7/27/2009 16 0.98 18.6 93 BDL 1.2 J 4.5 3.3 1.9
9/25/2012
3/13/2014
7/27/2009 BDL BDL BDL BDL BDL BDL BDL BDL BDL
9/25/2012
3/13/2014
7/27/2009 BDL BDL BDL BDL BDL BDL BDL BDL BDL
9/25/2012 BDL BDL BDL BDL BDL BDL 1.3 BDL BDL
3/13/2014
7/27/2009 BDL BDL BDL 5.2 BDL BDL BDL BDL BDL
9/25/2012 BDL BDL BDL 5.8 BDL BDL 1.7 BDL BDL
3/13/2014
7/27/2009
9/25/2012 BDL BDL BDL 5.6 BDL BDL 1.6 BDL BDL
3/13/2014 BDL BDL BDL 4.5 BDL BDL 1.1 BDL BDL
7/27/2009 BDL BDL BDL BDL BDL BDL BDL BDL BDL
9/25/2012 BDL BDL BDL BDL BDL BDL BDL BDL BDL
3/13/2014 BDL BDL BDL BDL BDL BDL BDL BDL BDL
WSW-7 3/13/2014 BDL BDL BDL BDL 0.40 BDL BDL BDL BDL
WSW-8 3/13/2014 BDL BDL BDL BDL BDL BDL BDL BDL BDL
WSW-9 3/13/2014
WSW-10 3/13/2014
WSW-11 3/13/2014 BDL BDL BDL BDL BDL BDL BDL BDL BDL
1 600 500 70 20 6 6 400 400
5,000 84,500 85,500 70,000 20,000 6,000 6,000 28,500 25,000
Notes:
1. Analytes that are not shown were not detected.
2. All concentrations are reported in micrograms per liter (µg/L).
3. 2L Standard: North Carolina Groundwater Quality Standards: 15A NCAC 2L.0202
4. VOCs: Volatile Organic Compounds
5. All samples that exceed the 2L Standards are shown in Shaded and BOLD fields.
6. Concentrations exceeding the laboratory's reporting limits are shown in BOLD fields.
7. WSW-4 has a point of entry (POE) system installed at the wellhead.
Volatile Organic Compounds (VOCs) by EPA Method 6200B or Equivalent
WSW-3
WSW-4 Influent
Sample ID
WSW-1
2L Standards
Gross Contamination Levels
WSW-5A
WSW-6
WSW-5
Sample Not Collected
Sample Not Collected
TABLE 4
Summary of Water Supply Well Analytical Results
Wise Convenient Mart
2027 US Highway 1 North
Wise, Warren County, North Carolina
NCDENR Incident No. 1943
S&ME Project No. 4305-14-077
Sample Not Collected - Well is Out of Service
Sample Not Collected
Sample Not Collected
Sample Not Collected - Well is Out of Service
Sample Not Collected
Sample Not Collected
WSW-4 Effluent
FIGURES
SCALE:
PROJECT NO:
FIGURE NO.
WWW.SMEINC.COM
DATE:
DRAWN BY:
3201 SPRING FOREST RD, RALEIGH, NC 27616
NC ENGINEER LICENSE #F-0176
VICINITY MAP
2027 US HWY 1 NORTH
WISE, NORTH CAROLINA
1" = 2000'
BTR
APRIL 2014
4305-14-077
1
A-4265
WISE CONVENIENT MART - TF-1943
S:\PROJECTS\2014\Environ\4305-14-077 TF-1947 Wise Convenience Mart\CAD\A4265.dwg, FIG1, 4/18/2014 10:33:41 AM, 1:1
DATE:
DRAWN BY:
3201 SPRING FOREST RD, RALEIGH, NC 27616
NC ENGINEER LICENSE #F-0176
SCALE:
PROJECT NO:
FIGURE NO.
WWW.SMEINC.COM
SITE MAP
2027 US HWY 1 NORTH
WISE, NORTH CAROLINA
1" = 120'
BTR
APRIL 2014
4305-14-077
2
A-4266
WISE CONVENIENT MART - TF-1943
S:\PROJECTS\2014\Environ\4305-14-077 TF-1947 Wise Convenience Mart\CAD\A4266.dwg, FIG2, 4/18/2014 10:33:52 AM, 1:1
DATE:
DRAWN BY:
3201 SPRING FOREST RD, RALEIGH, NC 27616
NC ENGINEER LICENSE #F-0176
SCALE:
PROJECT NO:
FIGURE NO.
WWW.SMEINC.COM
GROUNDWATER ELEVATION MAP
2027 US HWY 1 NORTH
WISE, NORTH CAROLINA
1" = 120'
BTR
APRIL 2014
4305-14-077
3
A-4267
WISE CONVENIENT MART - TF-1943
S:\PROJECTS\2014\Environ\4305-14-077 TF-1947 Wise Convenience Mart\CAD\A4267.dwg, FIG3, 4/18/2014 10:34:23 AM, 1:1
DATE:
DRAWN BY:
3201 SPRING FOREST RD, RALEIGH, NC 27616
NC ENGINEER LICENSE #F-0176
SCALE:
PROJECT NO:
FIGURE NO.
WWW.SMEINC.COM
GROUNDWATER CONSTITUENT MAP
2027 US HWY 1 NORTH
WISE, NORTH CAROLINA
1" = 120'
BTR
APRIL 2014
4305-14-077
4
A-4268
WISE CONVENIENT MART - TF-1943
S:\PROJECTS\2014\Environ\4305-14-077 TF-1947 Wise Convenience Mart\CAD\A4268.dwg, FIG4, 4/18/2014 10:34:11 AM, 1:1
APPENDIX I
LIMITED HISTORICAL INFORMATION
APPENDIX II
PHOTOGRAPHIC LOG
TF-1943 Wise Convenient Mart
Wise, Warren County, North Carolina
S&ME Project No. 4305-14-077
Taken by: BB Date Taken: 3-13-2014
1
1 View of monitor wells MW-1 and DW-1 (view to the east). 2 View of monitor well MW-2 (view to the east).
3 View of monitor well MW-3 (view to the north towards
MW-1 and DW-1).
4 View of monitor well MW-4 (view is to the east).
MW-1
DW-1
TF-1943 Wise Convenient Mart
Wise, Warren County, North Carolina
S&ME Project No. 4305-14-077
Taken by: BB Date Taken: 3-13-2014
2
5 View of monitor well MW-5 (view is to the south). 6 View of monitor well MW-6 (view is to the north).
7 View of monitor well MW-3 (view is to the east). 8 View of water supply well WSW-1
MW-3
MW-6
TF-1943 Wise Convenient Mart
Wise, Warren County, North Carolina
S&ME Project No. 4305-14-077
Taken by: BB Date Taken: 3-13-2014
3
9 View of water supply well WSW-4 (view is to the east). 10 View of inactive water supply well WSW-5.
11 View of water supply well WSW-5A (view is to the west). 12 g View of water supply well WSW-6.
TF-1943 Wise Convenient Mart
Wise, Warren County, North Carolina
S&ME Project No. 4305-14-077
Taken by: BB Date Taken: 3-13-2014
1
13 View of water supply well WSW-8. 14 View of water supply well WSW-9 (view is to the west).
15 View of water supply well WSW-10. 16 View of water supply well WSW-11.
APPENDIX III
GROUNDWATER SAMPLE COLLECTION SHEETS
APPENDIX IV
LABORATORY ANALTYICAL REPORT AND CHAIN OF CUSTODY FORM
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