HomeMy WebLinkAboutWS-29484_48624_C_O_202303092725 E. Millbrook Road
Suite 121
Raleigh, NC 27604
Tel: 919-871-0999
Fax: 737-207-8261
www.oneatlas.com
N.C. Engineering License No. C-1598
March 9, 2023
Mr. Ryan Bond
State of North Carolina
Department of Environment and Natural Resources
Winston-Salem Regional Office
Division of Waste Management – UST Section
450 West Hanes Mill Road, Suite 300
Winston-Salem, North Carolina 27105
Re: Gasoline and Diesel Product Line Closure Report
Circle K Store #2723154
11315 N. Main Street
Archdale, Randolph County, North Carolina
NCDEQ Facility ID #000-0000030854
Dear Mr. Bond:
ATC Associates of North Carolina, P.C. (ATC), on behalf of Circle K Stores, Inc. is submitting this
Gasoline and Diesel Product Line Closure Report for the referenced facility. Please feel free to contact
me at (919) 561-3893 should you have any questions or comments.
Sincerely,
ATC Associates of North Carolina, P.C.
Maureen A. Jackson, P.G.
Senior Project Manager
cc: Mr. Alan Cubberley, Circle K Stores, Inc.
Gasoline and Diesel Product Line Closure Report
Circle K Store #2723154
11315 N. Main Street
Archdale, Randolph County, North Carolina
Prepared for:
Circle K Stores, Inc.
1100 Situs Court, Suite 100
Raleigh, NC 27606
Prepared by:
ATC Associates of North Carolina, P.C.
2725 E. Millbrook Road, Suite 121
Raleigh, North Carolina 27604
Gasoline and Diesel Product Line Closure Report ATC Associates of N.C.
Circle K Store #2723154 March 9, 2023
TABLE OF CONTENTS
1.0 Executive Summary ............................................................................................................. 1
2.0 Site Information.................................................................................................................... 2
2.1 Site Identification ...................................................................................................... 2
2.2 Contact Information .................................................................................................. 2
2.3 Release Information ................................................................................................. 2
3.0 History and Characterization .............................................................................................. 3
4.0 UST Closure ......................................................................................................................... 4
4.1 Preparations for UST Closure .................................................................................. 4
4.2 Closure Activities ...................................................................................................... 4
4.3 Initial Response Actions ........................................................................................... 4
4.4 Soil Excavation Activities .......................................................................................... 4
4.5 Soil Sampling Procedures ........................................................................................ 4
4.6 Quality Control Measures ......................................................................................... 5
4.7 Groundwater Sampling Procedures .......................................................................... 5
4.8 Laboratory Analytical Results ................................................................................... 5
5.0 LNAPL Investigation ............................................................................................................ 5
6.0 Summary and Conclusions ................................................................................................. 6
Table
Table 1 Soil Analytical Results
Figures
Figure 1 Topographic Map
Figure 2 Site Map
Figure 3 Petroleum-related Impacts to Soil
Appendices
Appendix A Soil Disposal Manifests
Appendix B Laboratory Report and Chain-of-Custody Documents
Gasoline and Diesel Product Line Closure Report ATC Associates of N.C.
Circle K Store #2723154 March 9, 2023
1
1.0 EXECUTIVE SUMMARY
Circle K Stores, Inc. opted to replace the gasoline and diesel product lines at this facility. During
January 2023, the gasoline and diesel product lines were replaced.
During the product line removal and subsequent replacement, soil samples were collected under
each dispenser and along the accessible product line lengths. Field screening measurements
indicated petroleum-related impacts to soil. The soil samples were submitted to the project laboratory
for analyses by Total Petroleum Hydrocarbons (TPH)-Gasoline Range Organics (GRO), TPH-Diesel
Range Organics (DRO), EPA Methods 8260 and 8270, and/or MADEP Methods for VPH and EPH,
depending on sampling location. The locations of the soil samples are provided in Figure 2.
During product line replacement activities, approximately 42.87 tons of petroleum-impacted soil were
removed from the site for off-site disposal. Some areas of the product line trench were excavated in
depth and over-excavation soil samples were collected (labelled S1 through S5 and W1 through W9).
Laboratory analytical results of the soil samples collected detected target compound concentrations
above established Soil-to-Groundwater (STGW) Maximum Soil Contaminant Concentration (MSCC)
and/or State Action Levels in several of the soil samples. It should be noted none of the detected
concentrations exceeded the established Residential MSCCs.
Based on the current soil analytical results, it appears petroleum-impacted soil remains at the site
below established Residential MSCCs. A Notice of Regulatory Requirements (NORR) has been
issued by the North Carolina Department of Environmental Quality (NCDEQ) to perform
Comprehensive Site Assessment (CSA) activities.
Gasoline and Diesel Product Line Closure Report
Circle K Slore#2723154
ATC Associates of N.C.
March 9, 2023
2.0 SITE INFORMATION
2.1 Site ldentification
Date of Report: March 9. 2023
Facility l.D.: 00-0-0000030854 UST lncident Number (if known): 48624
Site Name: Circle K Store #2723154
Site Street Address: 1 1315 N. Main Street
City/Town: Archdale Zip Code.27263 County. Randolph
Description of Geographical Data Point (e.9., diesel fill port): UST basin
Location Method (GPS, topographical map, other): Gooqle Earth
Latitude (decimal degrees): 35.914800 N, Longitude (decimal degrees): 79.97251o W
2.2 CONTACT INFORMATION
UST Owner: Circle K Stores, lnc
Address: 1100 Situs Court, Suite 100, Raleiqh, NC 27606 Tel.'. 919-774-6700
UST Operator: Circle K Stores. lnc.
Address: 1100 Situs Court, Suite 100, Raleiqh, NC 27606 Tel.: 919-774-6700
Property Owner:Circle K Stores, lnc.
Address: P.O. Box 52085 Phoenix, Arizona 85072 Tel : 919-774-6700
Property Occupant:Circle K Store #2723154
Address: 1 1315 N. Main Street Archdale, NC 27263
Consultant: ATC Associates of North Carolina, P,C.
rel. 919-774-6700
Address: 2725 E. Millbrook Road, Suite 121 Raleiqh, NC 27604 Tel: 919-561-3893
Contractor. Guardian Fuelinq Technoloqies
Address: 5116 Departure Drive Raleiqh, NC 27616 Tel: 919-729-6980
Analytical Laboratory. SGS North America, lnc.
Address: 500 Ambassador Cafferv, Scott. LA 70583
State Certification No. 487
Tel'. 337-237-4775
ATC Associates
is correct and
2.3 Release lnformation
Date Discovered Auqust 16, 2022
Estimated Quantity of Release. Approximatelv 888 qallons qasoline (reqular)
Cause of Release: Pipinq failure in transition sump
Source of Release (Dispenser/Piping/UST): Pipinq failure in transition sump
Sizes and contents of UST system(s) from which the release occurred): Four 10.OOO-qallon
gasoline USTs and one 10;000-qallon diesel UST
l, Maureen A.
certify that the
knowledge.
Jackson, a
information
of North Carolina, P.C., do
accurate to the best of my
(Please Affix Seal and
ATC Associates is licensed
The certification number of
ineering (circle one or both) in North Carolina.
Gasoline and Diesel Product Line Closure Report ATC Associates of N.C.
Circle K Store #2723154 March 9, 2023
3
3.0 HISTORY AND CHARACTERIZATION
The Circle K Store #2723154 (Facility ID No. 00-0-0000030854) is currently an active retail fuel outlet
and convenience store. The site is located at 11315 N. Main Street Archdale, Randolph County,
North Carolina. The site consists of a single-story convenience store. The cover at the site consists
of asphalt and concrete. The site is zoned for commercial purposes. Immediately adjacent
properties are zoned for residential or commercial purposes. A topographic map is presented as
Figure 1, and a site map is presented as Figure 2. UST system information is summarized on the
following table.
UST
ID PRODUCT CAPACITY
(gals.) MATERIALS INSTALLATION
DATE
UST
STATUS
RELEASE
ASSOCIATED
(Yes/No)
1 Gasoline
(Regular) 10,000
UST:FRP
Clad Steel
Piping: DW
Flex
01/01/1989 Active
Yes
2 Gasoline
(Premium) 10,000
UST: FRP
Clad Steel
Piping: DW
Flex
01/01/1989 Active No
3 Gasoline
(Regular) 10,000
UST: FRP
Clad Steel
Piping: DW
Flex
01/01/1989 Active No
4 Diesel 10,000
UST: FRP
Clad Steel
Piping: DW
Flex
01/01/1989 Active Yes
5
Gasoline
(Boat
Fuel)
10,000
UST: FRP
Clad Steel
Piping: DW
Flex
01/01/1989 Active No
Circle K Stores, Inc. opted to replace the gasoline and diesel product lines at this facility. During
January 2023, the gasoline and diesel product lines were replaced.
Gasoline and Diesel Product Line Closure Report ATC Associates of N.C.
Circle K Store #2723154 March 9, 2023
4
4.0 UST CLOSURE
This section presents information regarding the removal of the site gasoline and diesel product lines.
4.1 Preparations for UST Closure
During January 2023, the gasoline and diesel product lines were removed and replaced at the site.
Circle K contracted with Guardian Fueling Technologies of Raleigh, North Carolina to replace the
product lines.
4.2 Closure Activities
During January 2023, the gasoline and diesel product lines were removed and replaced at the facility.
Guardian Fueling Technologies was retained by Circle K to remove and replace the existing gasoline
and diesel product lines. Figure 2 depicts the site map.
4.3 Initial Response Actions
During product line replacement activities, some areas of the product line were over-excavated.
Approximately 42.87 tons of petroleum-impacted soil were removed from the site for off-site disposal.
A copy of the disposal manifests are provided in Appendix A.
4.4 Soil Excavation Activities
Field screening measurements detected some areas of petroleum-related impacts to soil along the
product line trench. Photoionization detector (PID) measurements are provided in Table 1. Some
areas of the trench were over-excavated. Approximately 42.87 tons of petroleum-impacted soil were
removed from the site for off-site disposal. Soil confirmation soil samples were collected in the
over-excavated areas and submitted to the project laboratory for analyses. Please see section 4.5 for
further information.
4.5 Soil Sampling Procedures
During the product line removal and subsequent replacement, soil samples were collected along the
product line trenches and at each dispenser island location. Some areas of the product line trench
were over-excavated. Soil samples were collected along the sidewalls and along the bottom of these
excavated areas.
Gasoline and Diesel Product Line Closure Report ATC Associates of N.C.
Circle K Store #2723154 March 9, 2023
5
Soil samples collected from the product line trench were labelled as L1 through L15. Soil samples
collected from the dispenser islands were labelled as D1 through D5. Soil samples collected along
the sidewall of the over-excavated areas were labelled as W1 thorugh W9. Soil samples collected
at the bottom of the over-excavated areas were labelled as S1 through S5. Soil samples L1 through
L15 and D1 through D5 were submitted to the project laboratory for analyses by Total Petroleum
Hydrocarbons (TPH)-Gasoline Range Organics (GRO), TPH-Diesel Range Organics (DRO), and/or
EPA Method 8260B, depending on sampling location. Soil samples S1 through S5 and W1 through
W9 were submitted to the project laboratory for analyses by EPA Methods 8260 and 8270 and
Massachusetts Department of Environmental Protection (MADEP) Methods for volatile petroleum
hydrocarbons (VPH) and extractable petroleum hydrocarbons (EPH). The locations of the soil
samples are provided in Figure 2.
4.6 Quality Control Measures
The soil samples selected for analyses were properly labelled and placed on ice in a cooler pending
transport to SGS North America, Inc. (SGS) (NC Certification No. 487). Strict chain-of-custody and
sample preservation protocols were observed for shipping and delivering the samples.
4.7 Groundwater Sampling Procedures
Groundwater sampling was not performed during site activities.
4.8 Laboratory Analytical Results
Laboraotry analytical results of the soil samples collected detected target compound concentrations
above established Soil-to-Groundwater (STGW) Maximum Soil Contaminant Concentration (MSCC)
and/or State Action Levels in several of the soil samples. It should be noted none of the detected
concentrations exceeded the established Residential MSCCs. Table 1 provides a summary of the
soil analytical results. Petrolem-impacted soil is depicted on Figure 3. A copy of the laboratory report
is provided in Appendix B.
5.0 LNAPL INVESTIGATION
Light non-aqueous phase liquid (LNAPL) was not encountered during site activities.
Gasoline and Diesel Product Line Closure Report ATC Associates of N.C.
Circle K Store #2723154 March 9, 2023
6
6.0 SUMMARY AND CONCLUSIONS
Circle K Stores, Inc. opted to replace the gasoline and diesel product lines at this facility. During
January 2023, the gasoline and diesel product lines were replaced.
During the product line removal and subsequent replacement, soil samples were collected under
each dispenser and along the accessible product line lengths. Field screening measurements
indicated petroleum-related impacts to soil. The soil samples were submitted to the project laboratory
for analyses by Total Petroleum Hydrocarbons (TPH)-Gasoline Range Organics (GRO), TPH-Diesel
Range Organics (DRO), EPA Methods 8260 and 8270, and/or MADEP Methods for VPH and EPH,
depending on sampling location.
During product line replacement activities, approximately 42.87 tons of petroleum-impacted soil were
removed from the site for off-site disposal. Some areas of the product line trench were excavated in
depth and over-excavation soil samples were collected (labelled S1 through S5 and W1 through W9).
Laboratory analytical results of the soil samples collected detected target compound concentrations
above established Soil-to-Groundwater (STGW) Maximum Soil Contaminant Concentration (MSCC)
and/or State Action Levels in several of the soil samples. It should be noted none of the detected
concentrations exceeded the established Residential MSCCs.
Based on the current soil analytical results, it appears petroleum-impacted soil remains at the site
below established Residential MSCCs. A Notice of Regulatory Requirements (NORR) has been
issued by the North Carolina Department of Environmental Quality (NCDEQ) to perform
Comprehensive Site Assessment (CSA) activities.
TABLE
TABLE 1SOIL ANALYTICAL RESULTS
CIRCLE K STORE #2701493299 US HIGHWAY 64 WESTLEXINGTON, DAVIDSON COUNTY, NORTH CAROLINANCDEQ FACILITY ID #00-0-0000036528
Sample ID Date Sampled Sample Location
Sample Depth (feet)
PID Reading (ppm)TPH-GROTPH-GROBenzeneTolueneEthylbenzenTotal XylenesMTBENaphthalenen-PropylbenzeneIPEAcetoneBromochloromethaneBromodichloromethaneMethyl ChlorideMethyl Ethyl Ketone4-Methyl-2-pentanonen-Butylbenzenesec-Butylbenzenetert-ButylbenzeneChlorobenzene1,2-Dibromo-3-chloropropane1,2-Dichloroethane1,2-DichloropropaneEthyl Alcohol2-HexanoneIsopropylbenzenep-Isopropyltoluene1,1,2,2-Tetrachloroethane1,1,2-Trichloroethane1,2,3-Trichloropropane1,2,4-Trimethylbenzene1,3,5-TrimethylbenzeneVinyl AcetateFluoreneFluoranthenePhenol1-Methylnaphthalene2-MethylnaphthaleneNaphthalenePyrenebis(2-Ethylhexyl)phthalateDi-n-butyl PhthalateC5-C8 AliphaticsC9-C18 AliphaticsC19-C36 AliphaticsC9-C22 AromaticsL1 1/23/2023 Product Line 3 1.9 <6.4 --0.00075 0.00090J <0.0010 <0.0021 <0.0010 <0.0051 <0.0051 0.00081J 0.0098J <0.0010 <0.0010 <0.0051 <0.013 <0.013 <0.0051 <0.0051 <0.0010 <0.0010 <0.0051 <0.0010 <0.0010 <0.41 <0.013 <0.0051 <0.0051 <0.0010 <0.0010 <0.0051 <0.0051 <0.0051 <0.0051 --------------------------L2 1/23/2023 Product Line 3 1.8 <5.7 --0.0148 0.00070J <0.00093 <0.0019 0.0023 <0.0047 <0.0047 0.0024 0.0124J <0.00093 <0.00093 0.0020J <0.012 <0.012 <0.0047 <0.0047 <0.00093 <0.00093 <0.0047 <0.00093 <0.00093 <0.37 <0.012 <0.0047 <0.0047 <0.00093 <0.00093 <0.0047 <0.0047 <0.0047 <0.0047 --------------------------L3 1/23/2023 Product Line 3 5.8 5.80 --0.0780 0.0012J 0.0069 0.0214 0.0032 0.0076 0.0065 0.0027 0.0274J <0.00090 <0.00090 0.0022J <0.011 <0.011 <0.0045 0.0039J <0.00090 <0.00090 <0.0045 <0.00090 <0.00090 <0.36 <0.011 0.0021J <0.0045 <0.00090 <0.00090 <0.0045 0.00066J <0.0045 <0.0045 --------------------------
L4 1/23/2023 Product Line 3 0.8 3.03J --0.0903 0.0046J 0.0113 0.0454 0.0024 <0.0051 0.0034J 0.0041 0.0287J <0.0010 <0.0010 0.00053J <0.013 <0.013 <0.0051 0.0023J <0.0010 <0.0010 <0.0051 <0.0010 <0.0010 <0.41 <0.013 0.0017J <0.0051 <0.0010 <0.0010 <0.0051 0.0280 0.0209 <0.0051 --------------------------
L5 1/23/2023 Product Line 3 19.0 <6.5 --0.140 0.0050J 0.0215 0.100 0.0028 0.00073J 0.0010J 0.0054 0.0400J <0.0011 <0.0011 0.00043J <0.014 <0.014 <0.0055 <0.0055 <0.0011 <0.0011 <0.0055 <0.0011 <0.0011 <0.44 <0.014 0.00078J <0.0055 <0.0011 <0.0011 <0.0055 0.0029J <0.0055 <0.0055 --------------------------
L6 1/23/2023 Product Line 3 27.3 8.81 --0.160 0.157 0.161 1.97 <0.00096 0.0134 0.0519 0.0065 0.0204J <0.00096 <0.00096 0.00039J <0.012 <0.012 <0.0048 0.0067 <0.00096 <0.00096 <0.0048 <0.00096 <0.00096 <0.38 <0.012 0.0425 <0.0048 <0.00096 <0.00096 <0.0048 0.540 <0.0048 <0.0048 --------------------------
L7 1/23/2023 Product Line 3 115.3 8.23 --0.399 0.0280 0.0411 1.41 <0.00092 0.0159 0.0299 0.0090 0.0173J <0.00092 <0.00092 0.00053J <0.012 <0.012 <0.0046 0.0071 0.00089J <0.00092 <0.0046 <0.00092 <0.00092 <0.37 <0.012 0.0178 <0.0046 <0.00092 <0.00092 <0.0046 0.0204 <0.0046 <0.0046 --------------------------
L8 1/23/2023 Product Line 3 124.9 16.7 --0.118 0.550 0.486 2.60 <0.0010 0.0255 0.0654 0.0056 0.0489J <0.0010 <0.0010 <0.0051 <0.013 <0.013 <0.0051 <0.0051 <0.0010 <0.0010 <0.0051 <0.0010 <0.0010 <0.41 <0.013 0.0434 <0.0051 <0.0010 <0.0010 <0.0051 0.781 <0.0051 <0.0051 --------------------------
L9 1/26/2023 Product Line 3 105.8 <6.3 --0.0186 0.0102 0.0131 0.0642 <0.0010 0.0179 0.0084 0.0031 0.110 <0.0010 <0.0010 0.0013J 0.0201 <0.013 <0.0052 0.0015J <0.0010 <0.0010 <0.0052 <0.0010 <0.0010 <0.41 <0.013 0.0036J <0.0052 <0.0010 <0.0010 <0.0052 0.0160 0.0041J <0.0052 --------------------------
L10 1/26/2023 Product Line 3 72.1 62.3 --<0.031 0.0251J <0.062 0.146J <0.062 <0.31 <0.31 <0.062 <3.1 <0.062 <0.062 <0.31 <0.78 <0.78 <0.31 0.0846J <0.062 <0.062 <0.31 <0.062 <0.062 <25 <0.78 <0.31 0.196J <0.062 <0.062 <0.31 0.140J 0.0365J <0.31 --------------------------
L11 1/26/2023 Product Line 3 55.0 9.60 --0.0405 0.104J 0.188 1.21 <0.062 0.339 <0.31 <0.062 <3.1 <0.062 <0.062 <0.31 <0.77 <0.77 <0.31 0.0233J <0.062 <0.062 <0.31 <0.062 <0.062 <25 <0.77 0.0500J <0.31 <0.062 <0.062 <0.31 1.01 0.227J <0.31 --------------------------
L12 1/26/2023 Product Line 3 149.9 <5.9 --0.0038 0.0084 0.0102 0.0579 <0.0010 0.0056 0.0036J 0.00029J 0.0252J <0.0010 <0.0010 0.0013J <0.013 <0.013 <0.0051 0.00047J <0.0010 <0.0010 <0.0051 <0.0010 <0.0010 <0.41 <0.013 0.0014J <0.0051 <0.0010 <0.0010 <0.0051 0.0323 0.0079 <0.0051 --------------------------
L13 1/26/2023 Product Line 3 3.8 12.9 <6.0 0.0880 0.317J 0.408 2.55 <0.064 0.187J 0.0625J <0.064 <3.2 <0.064 <0.064 <0.32 0.134J <0.80 <0.32 <0.32 <0.064 <0.064 <0.32 <0.064 <0.064 <26 <0.80 0.0355J <0.32 <0.064 <0.064 <0.32 0.436 0.0952J <0.32 <0.012 <0.012 0.285 0.0286 0.0512 0.0272 <0.012 <0.21 <0.21 <7.1 16.35 0.137J 5.75
L14 1/26/2023 Product Line 3 1,377 <7.2 --0.0027 0.0355 0.0254 0.171 <0.0012 0.0135 0.0174 0.00033J 0.0647 <0.0012 <0.0012 0.0012J <0.015 <0.015 <0.0059 0.0037J <0.0012 <0.0012 <0.0059 <0.0012 <0.0012 2.50 <0.015 0.0097 <0.0059 <0.0012 <0.0012 <0.0059 0.148 0.0386 <0.0059 --------------------------
L15 1/26/2023 Product Line 3 649.0 4.74 610 <0.028 0.0150J 0.326 0.611 <0.0526 0.205J 0.230J <0.056 <2.8 <0.056 <0.056 <0.28 <0.70 <0.70 <0.28 0.0453J <0.056 <0.056 <0.28 <0.056 <0.056 <22 <0.70 0.0701J 0.0246J <0.056 <0.0565 <0.28 1.03 0.198J <0.28 0.0576 <0.011 <0.19 0.916 0.921 <0.011 0.019 <0.19 <0.19 <4.7 162.96J 17.7 41.1
D1 1/26/2023 Dispenser 3 2.7 11.8 <5.9 ----------------------------------------------------------------------------------------D2 1/26/2023 Dispenser 3 1.5 <7.8 35.3 0.0186 0.0152 0.0166 0.0798 0.0019 0.0190 0.0126 0.0022 0.137 <0.0012 <0.0012 <0.0060 0.0233 <0.015 0.0045J 0.0025J <0.0012 <0.0012 <0.0060 <0.0012 0.00082J <0.48 <0.015 0.0047J 0.00062J <0.0012 <0.0012 <0.0060 0.0359 0.0094 <0.0060 --------------------------D3 1/26/2023 Dispenser 3 1.2 <7.2 --<0.037 0.0159J <0.074 <0.15 <0.074 0.0580J <0.37 <0.074 <3.7 <0.074 <0.074 <0.37 <0.93 <0.93 <0.37 <0.37 <0.074 <0.074 <0.37 <0.074 <0.074 <30 <0.93 <0.37 <0.37 <0.074 <0.074 <0.37 0.0531J <0.37 <0.37 --------------------------D4 1/26/2023 Dispenser 3 1.3 20.8 --0.0322 0.0881 0.0339 0.287 0.0033 0.0200 0.0271 0.0079 0.0326J <0.00099 <0.00099 <0.0050 <0.012 0.0220 <0.0050 0.0056 <0.00099 <0.00099 <0.0050 <0.00099 <0.00099 <0.40 <0.012 0.0139 0.0021J <0.00099 0.0108 0.0021J 0.165 0.0463 <0.0050 --------------------------D5 1/26/2023 Dispenser 3 1.2 <5.5 --0.00069 0.0015J 0.00059J 0.0041 <0.00095 0.00066J <0.0047 <0.00095 0.0546 <0.00095 <0.00095 <0.0047 0.0071J <0.012 <0.0047 <0.0047 <0.00095 <0.00095 <0.0047 <0.00095 0.00074J <0.38 <0.012 <0.0047 <0.0047 <0.00095 <0.00095 <0.0047 0.0020J 0.00072J <0.0047 --------------------------S1 1/26/2023 Post-Ex Line 5.5 0.8 ----0.0499 0.368 0.341 2.74 <0.063 0.418 0.136J <0.063 <3.2 <0.063 <0.063 <0.32 0.187J <0.79 <0.32 0.213J <0.063 <0.063 <0.32 <0.063 <0.063 <25 <0.79 0.0863J <0.32 <0.063 <0.063 <0.32 1.39 0.335 <0.32 <0.011 <0.011 <0.20 <0.011 <0.011 <0.011 <0.011 <0.20 <0.20 3.37J 20.07 0.134J 8.66J
S2 1/26/2023 Post-Ex Line 5.5 1.0 ----0.102 0.215J 0.335 2.26 <0.066 0.275J 0.129J <0.066 <3.3 <0.066 <0.066 <0.33 <0.82 <0.82 <0.33 0.0264J <0.066 <0.066 <0.33 <0.066 <0.066 <26 <0.82 0.0668J <0.33 <0.066 <0.066 <0.33 0.854 0.218J <0.33 <0.012 <0.012 <0.20 <0.012 <0.012 <0.012 <0.012 <0.20 <0.20 4.78J 13.5 <2.9 11.98J
S3 1/26/2023 Post-Ex Line 5.5 11.9 ----0.0452 0.0452 0.0605 0.352 0.0027 0.0010J 0.0041J 0.0051 0.0383J <0.00095 <0.00095 <0.0048 <0.012 <0.012 0.00093J <0.0048 <0.00095 <0.00095 <0.0048 <0.00095 0.0010 <0.38 <0.012 0.0062 <0.0048 <0.00095 0.0012 0.00077J 0.0395 0.0149 <0.0048 <0.011 <0.011 <0.19 <0.011 <0.011 <0.011 <0.011 <0.19 0.0501J <5.2 9.07J 0.0293J 3.24S41/26/2023 Post-Ex Line 5.5 1.4 ----0.0035 0.0057 0.0044 0.0198 0.00085J <0.0046 0.0011J 0.00081J <0.046 <0.00093 <0.00093 0.0014J 0.0083J <0.012 <0.0046 <0.0046 <0.00093 <0.00093 <0.0046 <0.00093 0.00064J 0.0838J 0.00061J 0.0011J <0.0046 <0.00093 <0.00093 <0.0046 0.0041J 0.0012J <0.0046 <0.011 <0.011 <0.19 <0.011 <0.011 <0.011 <0.011 <0.19 0.0326J <5.3 4.95 0.161J 3.58S51/26/2023 Post-Ex Line 5.5 64.1 ----0.0165 0.0092 0.0086 0.0415 0.0016 0.0124 0.0077 0.0023 0.102 <0.0011 <0.0011 <0.0053 0.0178 <0.013 0.0052J 0.0020J <0.0011 <0.0011 <0.0053 <0.0011 <0.0011 <0.43 <0.013 0.0029J <0.0053 <0.0011 <0.0011 <0.0053 0.0120 0.0030J <0.0053 <0.011 0.0196 <0.19 <0.011 <0.011 <0.011 0.0143 <0.19 <0.19 <5.9 4.31 <2.9 5.89W11/26/2023 Post-Ex Wall 4 0.5 ----0.0227 0.0039J 0.0027 0.0126 0.0018 0.0037J 0.0018J 0.0050 0.0712 <0.00093 <0.00093 <0.0047 0.0119J <0.012 0.00062J <0.0047 <0.00093 <0.00093 <0.0047 <0.00093 0.00066J <0.37 <0.012 0.0012J <0.0047 <0.00093 <0.00093 <0.0047 0.0023J 0.00060J <0.0047 <0.011 <0.011 <0.19 <0.011 <0.011 <0.011 <0.011 <0.19 <0.19 <5.9 3.76 0.323J 3.80W21/26/2023 Post-Ex Wall 4 8.2 ----0.0030 0.0054 0.0066 0.0177 0.0230 <0.0050 0.0082 0.0049 <0.050 <0.0010 <0.0010 <0.0050 <0.013 <0.013 <0.0050 <0.0050 <0.0010 <0.0010 <0.0050 <0.0010 <0.0010 <0.40 <0.013 0.0071 <0.0050 <0.0010 <0.0010 <0.0050 0.0038J 0.00098J <0.0050 ------------------<5.4 3.93 1.93J 9.27W31/26/2023 Post-Ex Wall 4 2.3 ----0.0121 0.0118 0.0063 0.0323 0.0019 0.0015J 0.0023J 0.0019 0.0825 <0.0011 <0.0011 <0.0053 0.0113J <0.013 <0.0053 <0.0053 <0.0011 <0.0011 <0.0053 <0.0011 <0.0011 2.52 <0.013 0.0014J <0.0053 <0.0011 <0.0011 <0.0053 0.0138 0.0039J <0.0053 <0.012 <0.012 <0.20 <0.012 <0.012 <0.012 <0.012 <0.20 <0.20 <6.4 5.78 0.0453J 7.31
W4 1/26/2023 Post-Ex Wall 4 35.0 ----0.119 0.256J 0.602 4.68 <0.065 0.262J 0.112J <0.065 <3.2 <0.065 <0.065 <0.32 <0.81 <0.81 <0.32 <0.32 <0.065 <0.065 <0.32 <0.065 <0.065 <26 <0.81 0.0723J <0.32 <0.065 <0.065 <0.32 0.902 0.194J <0.32 <0.012 <0.012 <0.20 <0.012 <0.012 <0.012 <0.012 0.892 <0.20 <6.3 19.83 0.0026J 8.04
W5 1/26/2023 Post-Ex Wall 4 2.2 ----<0.033 0.0921J 0.177 0.976 <0.065 0.318J 0.122J <0.065 <3.3 <0.065 <0.065 <0.33 <0.82 <0.82 <0.33 0.0235J <0.065 <0.065 <0.33 <0.065 <0.065 <26 <0.82 0.0312J <0.33 <0.065 <0.065 <0.33 0.845 0.232J <0.33 <0.012 <0.012 <0.20 <0.012 <0.012 <0.012 <0.012 <0.20 <0.20 26.1 63.55 0.0831J 31.05
W6 1/26/2023 Post-Ex Wall 4 0.9 ----0.0052 0.0073 0.00473 0.0210 0.00057J 0.00070J 0.0012J 0.00062J 0.0736 <0.0011 <0.0011 <0.0056 0.0061J <0.014 <0.0056 <0.0056 <0.0011 <0.0011 <0.0056 <0.0011 0.00077J <0.45 <0.014 0.00090J <0.0056 <0.0011 <0.0011 <0.0056 0.0060 0.0017J <0.0056 <0.012 <0.012 <0.20 <0.012 <0.012 <0.012 <0.012 <0.20 <0.20 <6.6 4.70 0.255J 4.82
W7 1/26/2023 Post-Ex Wall 4 2.5 ----0.0014 0.0027J 0.0015 0.0081 <0.0010 <0.0052 <0.0052 <0.0010 0.0410J <0.0010 <0.0010 <0.0052 0.0028J <0.013 <0.0052 <0.0052 <0.0010 <0.0010 <0.0052 <0.0010 0.00057J <0.42 <0.013 <0.0052 <0.0052 <0.0010 <0.0010 <0.0052 0.0022J 0.00059J <0.0052 <0.011 <0.011 <0.19 <0.011 <0.011 <0.011 <0.011 <0.19 <0.19 <5.9 4.91 0.167J 5.75
W8 1/26/2023 Post-Ex Wall 4 32.0 ----0.0639 0.0106 0.0449 0.172 0.0023 0.0112 0.0078 0.0065 0.125 <0.0010 <0.0010 0.0017J 0.0230 0.00076J 0.0027J 0.0013J <0.0010 <0.0010 <0.0052 <0.0010 0.00070J 0.0885J 0.00084J 0.0043J <0.0052 <0.0010 0.0010 <0.0052 0.0111 0.0027J <0.0052 <0.012 <0.012 <0.20 <0.012 <0.012 <0.012 <0.012 <0.20 <0.20 <5.8 5.62 0.527J 7.96
W9 1/26/2023 Post-Ex Wall 4 4.5 ----0.0167 0.0119 0.0813 0.0914 0.0154 0.0499 0.0527 0.00094 0.0905 0.00076J 0.0020 0.0011J 0.156 0.177 0.178 0.0131 0.0014 0.00093 0.0017J 0.00056J 0.00099 2.66 0.0171 0.0239 0.0118 0.0114 0.0652 0.0041J 0.210 0.0898 0.0015J <0.011 <0.011 0.319 <0.011 <0.011 <0.011 <0.011 <0.19 <0.19 20.3 34.03 0.143J 15.92
50 100 ----------------------------------------------------------------------------------------
----0.0072 5.4 8 6 0.085 0.2 1.4 0.32 24 NE 0.0019 0.014 16 0.42 2.4 2.2 1.7 0.44 NE 0.0019 0.003 16 0.17 1.3 0.12 0.0012 0.0032 NE 6.6 6.6 0.36 55 330 0.22 0.054 1.5 0.2 210 6.6 NE 68 540 ##31
----12 1,250 60.3 3,120 156 5.5 1,560 156 14,000 NE 7.9 51 9,380 1,250 782 1,560 1,560 312 NE 7.29 17.9 5,160 78.2 1,560 1,560 3.31 11.6 NE 156 156 15,600 625 625 4,690 22.8 62.5 5.5 469 47 NE 939 1,500 31,000 469
Notes:1. Concentrations reported in milligrams per kilogram (mg/kg).2. "<" = not detected at or above the laboratory reporting limit.3. NE denotes not established.4. ## denotes compound considered immobile.5. J denotes value estimated by project laboratory.
ANALTYICAL METHOD
State Action Level (mg/kg)
Soil-to-Groundwater MSCCs (mg/kg)
Residential MSCCs (mg/kg)
EPA Method 8260 MADEP Methods for VPH and EPHEPA Method 8270EPA Method 8015
FIGURES
MW-1OW-1MW-5MW-2MW-3MW-4OW-2OW-3USTBASINCIRCLE K#2723154STORENORTH MAIN STREETTRINDALE ROADD1L15L13L14D1L1D3L2L3L4L5D4L6/S1W2W1L7/S2W4W3L8L9/S3L10W5W6L11/S4W7W9L12/S5W8D5= MONITORING WELL= OBSERVATION WELL= SOIL SAMPLE= DISPENSER ISLAND= EXCAVATION AREA
MW-1OW-1MW-5MW-2MW-3MW-4OW-2OW-3USTBASINCIRCLE K#2723154STORENORTH MAIN STREETTRINDALE ROADD1L15L13L14D1L1D3L2L3L4L5D4L6/S1W2W1L7/S2W4W3L8L9/S3L10W5W6L11/S4W7W9L12/S5W8D5= MONITORING WELL= OBSERVATION WELL= SOIL SAMPLE= DISPENSER ISLAND= EXCAVATION AREA1. SOIL-TO-GROUNDWATER MSCCs EXPRESSED IN mg/kg2. ONLY CONCENTRATIONS EXCEEDING MSCCs ARE SHOWN
APPENDIX A
Soil Disposal Manifests
APPENDIX B
Laboratory Report and
Chain-of-Custody Documents
Gasoline and Diesel Product Line Closure Report
Circle K Slore#2723154
ATC Associates of N.C.
March 9, 2023
2.0 SITE INFORMATION
2.1 Site ldentification
Date of Report: March 9. 2023
Facility l.D.: 00-0-0000030854 UST lncident Number (if known): 48624
Site Name: Circle K Store #2723154
Site Street Address: 1 1315 N. Main Street
City/Town: Archdale Zip Code.27263 County. Randolph
Description of Geographical Data Point (e.9., diesel fill port): UST basin
Location Method (GPS, topographical map, other): Gooqle Earth
Latitude (decimal degrees): 35.914800 N, Longitude (decimal degrees): 79.97251o W
2.2 CONTACT INFORMATION
UST Owner: Circle K Stores, lnc
Address: 1100 Situs Court, Suite 100, Raleiqh, NC 27606 Tel.'. 919-774-6700
UST Operator: Circle K Stores. lnc.
Address: 1100 Situs Court, Suite 100, Raleiqh, NC 27606 Tel.: 919-774-6700
Property Owner:Circle K Stores, lnc.
Address: P.O. Box 52085 Phoenix, Arizona 85072 Tel : 919-774-6700
Property Occupant:Circle K Store #2723154
Address: 1 1315 N. Main Street Archdale, NC 27263
Consultant: ATC Associates of North Carolina, P,C.
rel. 919-774-6700
Address: 2725 E. Millbrook Road, Suite 121 Raleiqh, NC 27604 Tel: 919-561-3893
Contractor. Guardian Fuelinq Technoloqies
Address: 5116 Departure Drive Raleiqh, NC 27616 Tel: 919-729-6980
Analytical Laboratory. SGS North America, lnc.
Address: 500 Ambassador Cafferv, Scott. LA 70583
State Certification No. 487
Tel'. 337-237-4775
ATC Associates
is correct and
2.3 Release lnformation
Date Discovered Auqust 16, 2022
Estimated Quantity of Release. Approximatelv 888 qallons qasoline (reqular)
Cause of Release: Pipinq failure in transition sump
Source of Release (Dispenser/Piping/UST): Pipinq failure in transition sump
Sizes and contents of UST system(s) from which the release occurred): Four 10.OOO-qallon
gasoline USTs and one 10;000-qallon diesel UST
l, Maureen A.
certify that the
knowledge.
Jackson, a
information
of North Carolina, P.C., do
accurate to the best of my
(Please Affix Seal and
ATC Associates is licensed
The certification number of
ineering (circle one or both) in North Carolina.