Loading...
The URL can be used to link to this page
Your browser does not support the video tag.
Home
My WebLink
About
WS-9507_44719_CA_CSA_20230126
3502 Hayes Road • Monroe, North Carolina 28110 113 West Firetower Road, Suite G • Winterville, North Carolina 28590 Phone (704) 845-4010 • (888) 870-4133 • Fax (704) 845-4012 February 8, 2023 Mr. Ryan Bond NCDEQ-UST Section Winston-Salem Regional Office 450 W. Hanes Mill Road Suite 300 Winston-Salem, NC 27105 Re: Comprehensive Site Assessment Report August 2021 – December 2022 Trindale Mini Mart 7619 NC Highway 62 Trinity, Randolph County North Carolina Facility ID Number: 00-0-0000018398 Incident Number: 44719 GRI Project Number: 4236 Dear Mr. Bond, Please find enclosed the referenced report for the abovementioned site. If you have any questions, please contact Joanna Alley at 704-845-4010. Sincerely, Geological Resources, Inc. Leslie Maxtone-Graham Administrative Assistant Enclosure Cc: Ms. Joan Angel; Angels, Inc., file 3502 Hayes Road • Monroe, North Carolina 28110 113 West Firetower Road, Suite G • Winterville, North Carolina 28590 Phone (704) 845-4010 • (888) 870-4133 • Fax (704) 845-4012 Engineering Certification: C-2727 • Geology Certification: C-127 Comprehensive Site Assessment Report August 2021 – December 2022 Trindale Mini Mart 7619 NC Highway 62 Trinity, Randolph County North Carolina Facility ID Number: 0-00-0000018398 Incident Number: 44719 GRI Project Number: 4236 Prepared for: Ms. Joan Angel Angels, Inc. Post Office Box 4395 Archdale, North Carolina 27263 January 26, 2023 Joanna Alley, P.E. Project Manager Eric M. Eubanks, P.G. Report Writer ___________________________________________________________________________________________ Prepared by: Geological Resources, Inc. Comprehensive Site Assessment Report Prepared on: January 26, 2023 Trindale Mini Mart Project Manager: Joanna Alley, P.E. GRI Project No. 4236 i EXECUTIVE SUMMARY The Trindale Mini Mart site is an active convenience store and gasoline retail facility located at 7619 NC Highway 62 in Trinity, Randolph County, North Carolina. The site is covered by concrete and asphalt. The surrounding area consists of a mixture of residential, institutional, and commercial properties. One 3,000- gallon kerosene, one 3,000-gallon gasoline, and one 4,000-gallon gasoline USTs were closed on April 27, 1990. One 7,000-gallon fuel oil UST was closed on July 31, 1990. One 3,000-gallon kerosene UST was closed on August 1, 2016. Three 8,000-gallon gasoline USTs and associated pumps and product piping are active at the site. On August 1, 2016, one 3,000-gallon kerosene UST, and its associated dispenser and product piping were removed from the site. Soil samples collected during the UST closure activities contained contaminant concentrations that exceeded the soil-to-water MCCs, confirming the presence of a release at the site and a LSA was required. A receptor survey was conducted on April 25, 2017, during which eleven water supply wells were identified within a 1,500-foot radius of the site. All residences with identified water supply wells were connected to municipal water. No water supply wells were identified within a 250-foot radius of the source area. No surface water bodies were identified within 500 feet of the source area. Public water is available to the site and the surrounding properties. One Type II monitoring well (MW-1) was installed during the LSA conducted at the site in April 2017. A free product thickness of 0.10 feet was measured in MW-1 subsequent to installation. Well MW-1 was gauged again on September 5, 2020, and 5.91 feet of free product was measured. Two 8-hour AFVR events have been conducted on MW-1 to recover free product. On April 22, 2020, four additional Type II monitoring wells (MW-2 through MW-5) were installed around the UST basin to delineate the free product plume. Based on the results of the LSA and additional assessment activities, a CSA was required. Between August 17, 2021, and December 19, 2022, seven Type II monitoring wells (MW-6 through MW- 12) and one Type III telescoping well (TW-1) were installed as part of CSA activities. The concentrations of benzene, MTBE, naphthalene, TAA, TAME, TBA, n-butylbenzene, sec-butylbenzene, 1,2-DCA, IPE, 1- methylnaphthalene, 2-methylnaphthalene, C5-C8 aliphatics, C9-C12 aliphatics, C9-C10 aromatics, C9-C18 aliphatics, C19-C36 aliphatics, and/or C11-C22 aromatics reported in the ground water samples collected from MW-2, MW-4, MW-5, MW-7 through MW-12, and TW-1 exceeded the MACs. The concentration of MTBE reported in the ground water sample collected from MW-7 exceeded the GCL. Free product was measured in MW-2, MW-3, and MW-6 with maximum thicknesses of 0.72, 0.03, and 0.23 feet, respectively. Based on observations made during assessment activities, surficial soils observed at the site consist of clayey to sandy silt and silty clay to depths of approximately 65 feet BGS. There appears to be a ground water trough oriented toward the northeast and centered around the UST basin. The horizontal hydraulic ___________________________________________________________________________________________ Prepared by: Geological Resources, Inc. Comprehensive Site Assessment Report Prepared on: January 26, 2023 Trindale Mini Mart Project Manager: Joanna Alley, P.E. GRI Project No. 4236 ii gradient was convergent from the southeast and northwest with gradients of approximately 0.03 and 0.04 feet per foot, respectively. The vertical hydraulic gradient calculated for paired wells MW-4 and TW-1 was approximately 0.06 feet per foot in the upward direction. Rising head slug tests were conducted on MW-8, MW-9, and TW-1. The average hydraulic conductivity calculated for the Type II monitoring wells was 1.449 x 10-3 feet per minute (2.086 feet per day) and the average seepage velocity was 4.17 x 10-1 feet per day (152 feet per year). The hydraulic conductivity calculated for the Type III monitoring well was 1.015 x 10-2 feet per minute (14.62 feet per day). The seepage velocity calculated for the Type III monitoring well was 2.34 feet per day (854 feet per year). The site risk classification has been deemed as intermediate risk based on the presence of free product and/or GCL exceedances. Therefore, free product must be removed from the site and the ground water contamination must be remediated to concentrations less than the GCLs. According to NCDEQ correspondence dated January 11, 2023, the contaminant plume is sufficiently defined. Free product removal should continue at the site until free product is no longer present. A MMPE event is recommended to determine the influence of a 96-hour event at the site. A ground water sampling event should be conducted at the site in June 2023 to confirm the results of the CSA ground water sampling events. Based on the results of the MMPE event and June 2023 sampling event, a decision to pursue corrective action or allow for natural attenuation can be made. ___________________________________________________________________________________________ Prepared by: Geological Resources, Inc. Comprehensive Site Assessment Report Prepared on: January 26, 2023 Trindale Mini Mart Project Manager: Joanna Alley, P.E. GRI Project No. 4236 iv ACRONYMS ACM: Asbestos Containing Materials AFVR: Aggressive Fluid-Vapor Recovery ARR: Acknowledgement of Report Receipt AS: Air Sparging AST: Aboveground Storage Tank ASTM: American Society for Testing and Materials BGS: Below Ground Surface CAP: Corrective Action Plan CFR: Code of Federal Regulations CSA: Comprehensive Site Assessment DPE: Dual Phase Extraction DRO: Total Petroleum Hydrocarbons Diesel Range Organics DWM: Division of Waste Management DWR: Department of Water Resources EPA: Environmental Protection Agency EPH: Extractible Petroleum Hydrocarbons ESA: Environmental Site Assessment GCL: Gross Contamination Level GRI: Geological Resources, Inc. GRO: Total Petroleum Hydrocarbons Gasoline Range Organics LSA: Limited Site Assessment MAC: Maximum Allowable Concentration as specified in T15A NCAC 2L.0202 MADEP: Massachusetts Department of Environmental Protection MCC: Maximum Contaminant Concentrations MMPE: Mobile Multi-Phase Extraction NAPL: Non-Aqueous Phase Liquid, “Free Product” NCDEQ: North Carolina Department of Environmental Quality NCDOT: North Carolina Department of Transportation NFA: Notice of No Further Action NORR: Notice of Regulatory Requirements NOV: Notice of Violation NPDES: National Pollutant Discharge Elimination System NRP: Notice of Residual Petroleum O&M: Operation and Maintenance PAHs: Polynuclear Aromatic Hydrocarbons PCA: Pre-Construction Assessment RAL: Regulatory Action Level SCLs: Soil Cleanup Level SPCC: Spill Prevention Control and Countermeasures SVE: Soil Vapor Extraction SVOCs: Semi-Volatile Organic Compounds SWAP: Source Water Assessment and Protection SWPPP: Stormwater Pollution Prevention Plan TCLP: Toxicity Characteristic Leaching Procedure (EPA Method SW-846 1311) TOC: Top of Casing TPH: Total Petroleum Hydrocarbons USGS: United States Geological Survey UST: Underground Storage Tank UVF: Ultraviolet Fluorescence VOCs: Volatile Organic Compounds VPH: Volatile Petroleum Hydrocarbons ___________________________________________________________________________________________ Prepared by: Geological Resources, Inc. Comprehensive Site Assessment Report Prepared on: January 26, 2023 Trindale Mini Mart Project Manager: Joanna Alley, P.E. GRI Project No. 4236 TABLE OF CONTENTS EXECUTIVE SUMMARY ....................................................................................................................... i SITE INFORMATION ........................................................................................................................... iii ACRONYMS ....................................................................................................................................... iv 1.0 SITE HISTORY AND CHARACTERIZATION ...................................................................................1 2.0 RECEPTOR INFORMATION ........................................................................................................3 3.0 LAND USE ................................................................................................................................3 4.0 SOIL ASSESSMENT ...................................................................................................................3 5.0 GROUND WATER ASSESSMENT ................................................................................................4 6.0 FREE PRODUCT INVESTIGATION AND RECOVERY ......................................................................6 7.0 HYDROGEOLOGIC INVESTIGATION ...........................................................................................6 8.0 REGIONAL GEOLOGY AND HYDROGEOLOGY .............................................................................7 9.0 SITE GEOLOGY AND HYDROGEOLOGY ......................................................................................7 10.0 DISCUSSION ............................................................................................................................7 11.0 CONCLUSIONS AND RECOMMENDATIONS ...............................................................................8 12.0 PUBLIC NOTICE ........................................................................................................................8 13.0 LIMITATIONS ...........................................................................................................................8 14.0 REFERENCES ............................................................................................................................8 FIGURES Figure 1: Site Location Map Figure 2: Site Map Figure 3A: Site Vicinity Map Figure 3B: Zoning Map Figure 4: Cross-Section A-A’ Figure 5: Cross-Section B-B’ Figure 6: Ground Water Quality Map Figure 7: MTBE Isoconcentration Map Figure 8: Water Table Surface Map TABLES Table 1: UST Owner and Operator Information Table 2: UST System Information Table 3: Water Supply Well Information Table 4: Adjacent Property Owner Information Table 5: Land Use Information Table 6: Summary of Soil Sample Analytical Results Table 7: Summary of Ground Water Sample Analytical Results Table 8: Summary of Free Product Recovery Evaluation ___________________________________________________________________________________________ Prepared by: Geological Resources, Inc. Comprehensive Site Assessment Report Prepared on: January 26, 2023 Trindale Mini Mart Project Manager: Joanna Alley, P.E. GRI Project No. 4236 Table 9: Free Product Recovery Results Table 10: Free Product Recovery Event Information Table 11: Free Product Recovery Cost Summary Table 12: Well Construction and Gauging Information Table 13: Summary of Slug Test Analyses APPENDICES Appendix A: State Correspondence Appendix B: Site-Specific Health and Safety Plan Appendix C: Well Photographs Appendix D: Well Permit, Well Construction Records, and Subsurface Logs Appendix E: Laboratory Analytical Reports Appendix F: Free Product Recovery Graphs Appendix G: Slug Test Data Appendix H: Public Notification ___________________________________________________________________________________________ Prepared by: Geological Resources, Inc. Comprehensive Site Assessment Report Prepared on: January 26, 2023 Trindale Mini Mart Project Manager: Joanna Alley, P.E. GRI Project No. 4236 1 1.0 SITE HISTORY AND CHARACTERIZATION GRI presents the results of the August 2021 through December 2022 CSA activities at the Trindale Mini Mart site, located at 7619 NC Highway 62 in Trinity, Randolph County, North Carolina (Figure 1). These activities were conducted in accordance with GRI Proposal Nos. 20-459 and 22-020. Proposal No. 20-459 was submitted to NCDEQ on September 23, 2020, and was approved as Task Authorization No. 44719-9 on October 2, 2020. A change order was submitted for proposal to include a DEQ well permit. The change order was submitted to the NCDEQ on July 20, 2021 and was approved as Task Authorization No. 44719- 09-1 on July 26, 2021. Proposal No. 22-020 was split into two Task Authorization Nos. (44719-10 and 44719-11), which were submitted to NCDEQ on January 6, 2022, and December 9, 2022, and were approved on February 1, 2022 and December 12, 2022, respectively. State correspondence is included as Appendix A. The site is currently owned by Joan S. Angel and is operated by Angels, Inc. Trindale Mini Mart as a petroleum retail facility. A release was discovered in August 2016 during the removal of a 3,000-gallon kerosene UST at the site. One 3,000-gallon kerosene, one 3,000-gallon gasoline, and one 4,000-gallon gasoline USTs were closed on April 27, 1990. One 7,000-gallon fuel oil UST was closed on July 31, 1990. Three 8,000-gallon gasoline USTs and associated pumps and product piping are active at the site. UST owner/operator information and UST system information are included as Tables 1 and 2, respectively. The Registered Tank Report is shown below: ___________________________________________________________________________________________ Prepared by: Geological Resources, Inc. Comprehensive Site Assessment Report Prepared on: January 26, 2023 Trindale Mini Mart Project Manager: Joanna Alley, P.E. GRI Project No. 4236 2 On August 1, 2016, one 3,000-gallon kerosene UST was removed from the site. Soil samples collected during the UST closure activities contained contaminant concentrations that exceeded the soil-to-water MCCs. The UST closure results confirmed a release at the site and a LSA was required by the NCDEQ. On April 26, 2017, one monitoring well (MW-1) was installed in the area of the former 3,000-gallon kerosene UST basin. Two soil samples were collected during the installation of monitoring well MW-1. The reported contaminant concentrations of several analyzed contaminants exceeded the soil-to-water MCCs and/or the residential SCLs for the submitted soil samples. Subsequent to installation, free product was measured in MW-1 with a thickness of 0.10 feet; therefore, the well was not sampled. Two AFVR events have been conducted on MW-1 to recover free product. On April 22, 2020, four additional Type II monitoring wells (MW-2 through MW-5) were installed to delineate the free product plume. All on-site monitoring wells were gauged, purged, and/or sampled. Free product was observed in monitoring wells MW-1 and MW-3 with free product thicknesses of 0.64 feet and 0.03 feet, respectively. The concentrations of several contaminant exceeded the MACs in the ground water samples collected from MW-2, MW-4, and MW-5. Based on the results of LSA activities, the site was assigned an intermediate risk classification and a CSA was required by the NCDEQ. In August 2021, a CSA was conducted to delineate the horizontal and vertical extent of petroleum contamination. Between August 17 and August 24, 2021, five additional Type II monitoring wells (MW-6 through MW-10) and one Type III telescoping monitoring well (TW-1) were installed, gauged, and/or sampled as part of CSA activities. The contaminant concentrations of benzene, MTBE, naphthalene, TAA, TBA, 1,2-DCA, IPE, 1-methylnaphthalene, 2-methylnaphthalene, C5-C8 aliphatics, C9-C12 aliphatics, C9- C10 aromatics, C9-C18 aliphatics and/or C11-C22 aromatics reported in the ground water samples collected from MW-7, MW-8, MW-9, and TW-1 exceeded the MACs. The concentration of MTBE reported in the ground water sample collected from MW-7 exceeded the GCL. Free product was measured in MW- 1, MW-3, and MW-6 with thicknesses of 0.66, 0.03, and 0.01 feet, respectively. Slug tests were performed on MW-8, MW-9, and TW-1 on August 24, 2021. Based on the results of the August 2021 CSA activities, two additional Type II monitoring wells (MW-11 and MW-12) were installed at the site on December 19, 2022. Monitoring wells MW-1 through MW-12 and TW-1 were gauged, purged, and/or sampled on December 20, 2022. The concentrations of benzene, MTBE, naphthalene, TAA, TAME, TBA, n-butylbenzene, sec-butylbenzene, 1,2-DCA, IPE, 1- methylnaphthalene, 2-methylnaphthalene, C5-C8 aliphatics, C9-C12 aliphatics, C9-C10 aromatics, C9-C18 aliphatics, C19-C36 aliphatics, and/or C11-C22 aromatics reported in the ground water samples collected from MW-2, MW-4, MW-5, MW-7, MW-9 through MW-12, TW-1 exceeded the MACs. The concentration of MTBE reported in the ground water sample collected from MW-7 exceeded the GCL. Free product was measured in MW-2, MW-3, and MW-6 with thicknesses of 0.72, 0.01, and 0.23 feet, respectively. A Site Map showing the locations of the monitoring wells and the structures on-site is included as Figure 2. A copy of the site-specific Health and Safety Plan is included as Appendix B. ___________________________________________________________________________________________ Prepared by: Geological Resources, Inc. Comprehensive Site Assessment Report Prepared on: January 26, 2023 Trindale Mini Mart Project Manager: Joanna Alley, P.E. GRI Project No. 4236 3 2.0 RECEPTOR INFORMATION Water Supply Wells: According to the information determined during receptor survey activities conducted on April 25, 2017, eleven non-potable water supply wells were identified within 1,500 feet of the site. A table summarizing the Water Supply Well owner information is included as Table 3. A Site Vicinity Map showing the locations of the water supply wells has been included as Figure 3. Public Water Supplies: Public water is available to the site and all of the surrounding properties. Water lines run along the public streets in the area. Public water is supplied by Davidson Water Incorporated and the Archdale Water Department. Surface Water: No surface water bodies were identified within a 500-foot radius of the source area. One creek feature named Muddy Creek is located approximately 1,300 feet northwest of the source area. Wellhead Protection Areas: On December 28, 2022, GRI personnel accessed the NCDEQ SWAP Program’s website to identify wellhead protection areas in the vicinity of the subject site. The site is not located within a wellhead protection area. Deep Aquifers in the Coastal Plain Physiographic Region: The site is not located in the Coastal Plain Physiographic Region. Subsurface Structures: No structures with basements were observed in the vicinity of the source area. Utilities in the source area are located along Trindale Road and Sealy Drive, and do not appear to intersect the seasonal high water table. 3.0 LAND USE The site is currently occupied by Trindale Mini Mart, a petroleum retail facility and convenience store. The closest primary residence is located approximately 200 feet northwest of the source area. The Trindale Children Center, Inc. is located approximately 750 feet to the southeast of the source area. The adjoining properties are commercial and residential. According to the Randolph County GIS, the surrounding areas are zoned HC (Highway Commercial), R-40 (Residential), and MW-1 (Heavy Manufacturing). Adjacent property owner information and land use information are summarized in Tables 4 and 5, respectively. Land use and zoning information are presented on Figure 3B. 4.0 SOIL ASSESSMENT On August 1, 2016, one 3,000-gallon kerosene UST, associated dispenser and product piping were removed from the site. During the UST removal activities, confirmation soil samples were collected from the UST basin. Concentrations of 1-methylnaphthalene, C9-C10 aromatics, C9-C18 aliphatics and C11-C22 ___________________________________________________________________________________________ Prepared by: Geological Resources, Inc. Comprehensive Site Assessment Report Prepared on: January 26, 2023 Trindale Mini Mart Project Manager: Joanna Alley, P.E. GRI Project No. 4236 4 aromatics that exceeded the soil-to-water MCCs were reported in soil sample SW-E (11’). None of the contaminant concentrations exceeded the residential SCLs. On April 26, 2017, two soil samples were collected during the installation of Type II monitoring well MW- 1. Concentrations of xylenes, MTBE, naphthalene, isopropylbenzene, n-propylbenzene, methylene chloride, 1,2,4-trimethylbenzene, 1-methylnaphthalene, 2-methylnaphthalene, C9-C10 aromatics, C9-C18 aliphatics, and/or C11-C22 aromatics that exceeded the soil-to-water MCCs were reported in the soil samples MW-1 (18’) and MW-1 (28’) collected during LSA activities. Concentrations of 1- methylnaphthalene, C9-C18 aliphatics, and/or C11-C22 aromatics that exceeded the Residential SCLs were reported in soil samples MW-1 (18’) and MW-1 (28’). A summary of analytical results for soil samples collected at the site has been included as Table 6. 5.0 GROUND WATER ASSESSMENT On April 26, 2017, one Type II monitoring well (MW-1) was installed during LSA activities at the site. Free product was measured in MW-1 with a thickness of 0.10 feet. On April 22, 2020, four Type II monitoring wells (MW-2 through MW-5) were installed at the site to delineate free product. All on-site monitoring wells were subsequently gauged, purged, and/or sampled. Free product with thicknesses of 0.64 and 0.03 feet was observed in monitoring wells MW-1 and MW-3, respectively. The concentrations of benzene, MTBE, naphthalene, TAA, p-isopropyltoluene, n- propylbenzene, 1,2,4-trimethylbenzene, methyl chloride, 1,2-DCA, 1-methylnaphthalene, 2- methylnaphthalene, C5-C8 aliphatics, C9-C12 aliphatics, C9-C10 aromatics, C9-C18 aliphatics, and/or C11- C22 aromatics reported in the ground water samples collected from MW-2, MW-4, and MW-5 exceeded the MACs. All contaminant concentrations were below the GCLs. Based on the results of the LSA activities, a CSA was required by the NCDEQ. Between August 17 and August 19, 2021, and December 19, 2022, five Type II monitoring wells (MW-6 through MW-10) and one telescoping monitoring well (TW-1) were installed at the site. Monitoring wells MW-6 through MW-10 were drilled to total depths ranging from 30 to 35 feet BGS and completed with 20-foot screened intervals. Telescoping well TW-1 was completed to a total depth of 65 feet with a five- foot screen interval. Photographs of monitoring wells installed as part of CSA activities are included in Appendix C. On August 24, 2021, monitoring wells MW-1 through MW-10 and TW-1 were gauged, purged, and/or sampled. The concentrations of benzene, MTBE, naphthalene, TAA, TBA, 1,2-DCA, IPE, 1- methylnaphthalene, 2-methylnaphthalene, C5-C8 aliphatics, C9-C12 aliphatics, C9-C10 aromatics, C9-C18 aliphatics, and/or C11-C22 aromatics reported in the ground water samples collected from MW-7, MW- 8, MW-9, and TW-1 exceeded the MACs. The concentration of MTBE reported in the ground water sample collected from MW-7 exceeded the GCL. Free product with thicknesses of 0.66, 0.03, and 0.01 feet was measured in MW-1, MW-3, and MW-6, respectively. Based on the results of the August 2021 ground water sampling event, additional wells were required to define the horizontal extent of the contaminant plume. ___________________________________________________________________________________________ Prepared by: Geological Resources, Inc. Comprehensive Site Assessment Report Prepared on: January 26, 2023 Trindale Mini Mart Project Manager: Joanna Alley, P.E. GRI Project No. 4236 5 On December 19, 2022, two monitoring wells (MW-11 and MW-12) were installed at the site. Each well was installed to a total depth of 35 feet BGS with a 15-foot screened interval. On December 20, 2022, monitoring wells MW-1 through MW-12 and TW-1 were gauged, purged, and/or sampled. The concentrations of benzene, MTBE, naphthalene, TAA, TAME, TBA, n-butylbenzene, sec-butylbenzene, 1,2- DCA, IPE, 1-methylnaphthalene, 2-methylnaphthalene, C5-C8 aliphatics, C9-C12 aliphatics, C9-C10 aromatics, C9-C18 aliphatics, C19-C36 aliphatics, and/or C11-C22 aromatics reported in the ground water samples collected from MW-2, MW-4, MW-5, MW-7, MW-9 through MW-12, TW-1 exceeded the MACs. The concentration of MTBE reported in the ground water sample collected from MW-7 exceeded the GCL. Free product was measured in MW-2, MW-3, and MW-6 with thicknesses of 0.72, 0.01, and 0.23 feet, respectively. Based on the established site cleanup goals, it was determined that no additional delineation is required at this time. A summary of the December 20, 2022 ground water analytical data is shown below: Contaminant of Concern Benzene Toluene Ethylbenzene Xylenes MTBE Naphthalene Well ID MACs (μg/l) 1 600 600 500 20 6 GCL (μg/l) 5,000 260,000 80,000 50,000 20,000 6,000 MW-1 FP FP FP FP FP FP MW-2 <0.180 <0.220 <0.170 <0.210 35.2 <0.470 MW-3 FP FP FP FP FP FP MW-4 10.4 1.87 5.30 75.3 394 33.9 MW-5 2.46 <0.220 <0.170 32.7 77.8 36.2 MW-6 FP FP FP FP FP FP MW-7 6.41 <2.20 <1.70 10.0 J 85,000 <4.70 MW-8 <0.180 <0.220 <0.170 <0.210 <0.140 <0.470 MW-9 121 <0.220 2.63 <0.210 38.9 167 MW-10 <0.180 <0.220 <0.170 <0.210 <0.140 16.3 MW-11 35.1 <0.220 <0.170 7.59 3,930 12.2 MW-12 <1.80 <2.20 <1.70 <2.10 57.7 17.3 TW-1 11.0 0.508 <0.170 <0.210 370 2.58 All samples were collected in accordance with the NCDEQ guidelines. Clean, disposable bailers and nitrile gloves were used for the collection of the ground water samples. The samples were collected in laboratory supplied containers and shipped to the laboratory in a cooler following proper chain-of-custody procedures. A laboratory supplied trip blank was included in the sample cooler. No detectable concentrations of requested method constituents were reported in the trip blank. The locations of the monitoring wells are shown on Figure 2. The well permit, well construction records, and boring logs for the monitoring wells installed during CSA activities are included as Appendix D. Cross sections A-A’ and B-B’ are included as Figures 4 and 5; the lines of cross section are included on Figure 2. A Ground Water Quality Map for the December 2022 ground water sampling event has been included as Figure 6. An isoconcentration map for MTBE is provided as Figure 7. A summary of laboratory analyses for the ground water samples collected during CSA activities is included as Table 7. Complete ___________________________________________________________________________________________ Prepared by: Geological Resources, Inc. Comprehensive Site Assessment Report Prepared on: January 26, 2023 Trindale Mini Mart Project Manager: Joanna Alley, P.E. GRI Project No. 4236 6 copies of the laboratory reports for the ground water samples collected during CSA activities are included as Appendix E. 6.0 FREE PRODUCT INVESTIGATION AND RECOVERY Free product has historically been present in MW-1, MW-3, and MW-6. On August 16, 2017, two free product evaluations were conducted on monitoring well MW-1. A free product thickness of 5.91 feet was measured in MW-1 prior to the tests. Approximately 2 gallons of free product was hand bailed from MW- 1 prior to the start of Test #1. Due to equipment error, Test #1 was stopped after one hour. Test #2 was started approximately 2 hours following the conclusion of Test #1 and lasted approximately 1.5 hours. Approximately 2 gallons of free product were bailed from MW-1 before Test #2. Prior to Test #2, free product was first measured at a thickness of 1.85 feet at the start of the event and achieved a measurable thickness of 2.12 feet by the end of the 90-minute evaluation. A summary of the free product evaluation and test is provided in Table 8 with recovery graphs included as Appendix F. Two 8-hour AFVR events were conducted on monitoring well MW-1 to recover free product in August 2017 and February 2019. A combined total of approximately 1,176 gallons of petroleum-impacted ground water was removed during these events. At the conclusion of these events, no free product was measured in MW-1 or in the tanker. Summaries of the free product removal results and costs have been included as Tables 9 through 11. Based on the results of the AFVR event, AFVR appears to be a cost-effective method of free product removal. 7.0 HYDROGEOLOGIC INVESTIGATION The depths to ground water in the Type II monitoring wells (MW-1 through MW-12) measured on December 20, 2022, ranged from 22.24 to 30.55 feet below the tops of well casings. Ground water elevations at the site, based on an assumed datum of 100.00 feet assigned to MW-1, ranged from 70.79 to 73.10 feet. Based on this information, there appears to be a ground water trough oriented toward the northeast and centered around the UST basin. The horizontal hydraulic gradient was convergent from the southeast and northwest with gradients of approximately 0.03 and 0.04 feet per foot, respectively. There is a general ground water flow trend toward the north. The vertical hydraulic gradient calculated for paired wells MW-4 and TW-1 was approximately 0.06 feet per foot in the upward direction. A summary of ground water elevation data obtained during assessment activities to date is presented in Table 12. A Water Table Surface Map based on the December 20, 2022, gauging data is included as Figure 8. Rising head slug tests were conducted in MW-8, MW-9, and TW-1 on August 24, 2021. Hydraulic conductivities in the Type II monitoring wells calculated using the Bouwer and Rice method, ranged from 1.389 x 10-4 feet per minute (0.200 feet per day) to 2.759 x 10-3 feet per minute (3.973 feet per day). The average hydraulic conductivity was 1.449 x 10-3 feet per minute (2.086 feet per day). Seepage velocities, calculated using the equation V = K(dh/dl)/ne, ranged from 4.00 x 10-2 to 7.95 x 10-1 feet per day (14.6 to 290 feet per year). The average seepage velocity was 4.17 x 10-1 feet per day (152 feet per year). The hydraulic conductivity in the Type III monitoring well calculated using the Bouwer and Rice method was 1.015 x 10-2 feet per minute (14.62 feet per day). The seepage velocity calculated for the Type III ___________________________________________________________________________________________ Prepared by: Geological Resources, Inc. Comprehensive Site Assessment Report Prepared on: January 26, 2023 Trindale Mini Mart Project Manager: Joanna Alley, P.E. GRI Project No. 4236 7 monitoring well was 2.34 feet per day (854 feet per year). A summary of the results of slug test analyses is presented in Table 13. Calculations and raw data from the slug tests are included as Appendix G. 8.0 REGIONAL GEOLOGY AND HYDROGEOLOGY According to the 1985 Geologic Map of North Carolina, the site is in the Carolina Slate Belt within the Piedmont Physiographic Provence of North Carolina. The rocks underlaying the site are primarily metamorphosed foliated granitic rocks. 9.0 SITE GEOLOGY AND HYDROGEOLOGY Based on observations made during assessment activities, surficial soils observed at the site consist of clayey to sandy silt and silty clay to depths of approximately 65 feet BGS. A summary of the December 2022 ground water gauging data is shown below: Well ID Screened Interval (x to y ft. BGS) Bottom of Well (ft. BGS) Top of Casing Elevation (ft.) Depth to Water from Top of Casing (feet) Free Product Thickness (ft.) Ground Water Elevation (ft.) MW-1 29 – 49 49 100.00 29.51 0.72 71.11 MW-2 15 – 35 35 100.48 29.69 --- 70.79 MW-3 15 – 35 35 99.75 28.71 0.01 71.05 MW-4 15 – 35 35 98.17 27.36 --- 70.81 MW-5 15 – 35 35 97.97 27.09 --- 70.88 MW-6 15 – 35 35 101.53 28.63 0.23 73.10 MW-7 15 – 35 35 102.55 29.98 --- 72.57 MW-8 15 – 35 35 102.18 29.15 --- 73.03 MW-9 15 – 35 35 100.70 27.72 --- 72.98 MW-10 10 – 30 30 94.97 22.24 --- 72.73 MW-11 20 – 35 35 103.07 30.55 --- 72.52 MW-12 20 – 35 35 99.96 27.34 --- 72.62 TW-1 60 – 65 65 100.35 27.53 --- 72.82 On December 20, 2022, monitoring wells MW-1 through MW-12 and TW-1 were gauged, purged and/or sampled. Depths to ground water in the Type II monitoring wells ranged from 22.24 to 30.55 feet below the tops of well casings. Ground water elevations at the site, based on an assumed datum of 100.00 feet assigned to MW-1, ranged from 70.79 to 73.10 feet. Ground water flow at the site was converged towards a ground water trough that is centered around the UST basin. 10.0 DISCUSSION On August 1, 2016, one 3,000-gallon kerosene UST and its associated dispenser and product piping were removed from the subject site. Confirmation soil samples collected as part of the UST closure activities identified a release from the UST system. To date, twelve Type II monitoring wells and one telescoping well have been installed at the site to determine the horizontal and vertical extent of the release. Free product has been observed in the vicinity of the UST basin in monitoring wells MW-1, MW-3, and MW-6. Monitoring well MW-7 contained the highest ground water contamination levels during CSA activities, with the reported concentration of MTBE exceeding the GCL. Please note that MW-7 is also in the vicinity of the UST basin. According to NCDEQ ___________________________________________________________________________________________ Prepared by: Geological Resources, Inc. Comprehensive Site Assessment Report Prepared on: January 26, 2023 Trindale Mini Mart Project Manager: Joanna Alley, P.E. GRI Project No. 4236 8 correspondence dated January 11, 2023, the contaminant plume is sufficiently defined. The risk ranking for the site has been established as intermediate due to the presence of free product and GCL exceedances. In order to lower the risk ranking of the site, free product recovery should continue at the site until free product is no longer present and ground water concentrations are below GCLs. 11.0 CONCLUSIONS AND RECOMMENDATIONS · No further soil assessment should be required. · Ground water flow at the site was converged towards a ground water trough that is centered around the UST basin. · The ground water contaminant plume remains undefined vertically, as well as horizontally to the north, east and west at the site; however, the NCDEQ Incident Manager has determined it to be sufficiently delineated for the site-specific cleanup goals. · Based on this site assessment, the site risk classification should remain intermediate. · Free product removal should continue until free product is no longer present and ground water concentrations are below GCLs. A MMPE event is recommended to determine the influence of a 96-hour event at the site. · GRI recommends conducting a comprehensive ground water sampling event in June 2023. Based on the results of the MMPE event and June 2023 sampling event, further recommendations can be made. 12.0 PUBLIC NOTICE Copies of the applicable portions of this CSA report have been forwarded to the appropriate local officials by certified mail. Copies of the cover letters are included in Appendix H. 13.0 LIMITATIONS This report has been prepared for the exclusive use of Angels, Inc. for specific application to the referenced site in Randolph County, North Carolina. The assessment was conducted based on the scope of work and level of effort desired by the NCDEQ and with resources adequate only for that scope of work. Our findings have been developed in accordance with generally accepted standards of environmental practices in the State of North Carolina, available information, and our professional judgment. No other warranty is expressed or implied. The data that is presented in this report is indicative of conditions that existed at the precise locations sampled and at the time the samples were collected. In addition, the data obtained from samples would be interpreted as being meaningful with respect to parameters indicated in the laboratory report. No additional information can logically be inferred from this data. 14.0 REFERENCES Bouwer, H., 1989, The Bouwer and Rice slug test - an update, Ground Water, vol.27, no. 3, pp.304-309 ___________________________________________________________________________________________ Prepared by: Geological Resources, Inc. Comprehensive Site Assessment Report Prepared on: January 26, 2023 Trindale Mini Mart Project Manager: Joanna Alley, P.E. GRI Project No. 4236 9 Bouwer, H. and R.C. Rice, 1976, A slug test method for determining hydraulic conductivity of unconfined aquifers with completely or partially penetrating wells, Water Resources Research, vol. 12, no.3, pp. 423-428 Department of Natural Resources and Community Development, 1985, Geologic Map of North Carolina, 1 sheet Fetter, C. W., 1988, Applied Hydrogeology, Second Edition, Macmillan Publishing Company, 592 p. North Carolina Department of Environmental Quality, Division of Waste Management – UST Section Assessment Guidelines; Petroleum and Hazardous Substance UST Releases, January 19, 2021 Version Phase I Limited Site Assessment Report, Trindale Mini Mart, Geological Resources, Inc., June 7, 2017 Free Product Recovery Report, Trindale Mini Mart, Geological Resources, Inc., March 18, 2019 FIGURES Copyright:© 2013 National Geographic Society, i-cubed FIGURE 1 SITE LOCATION MAP TRINDALE MINI MART 7619 N.C. HIGHWAY 62 TRINITY, RANDOLPH COUNTY, NORTH CAROLINA INCIDENT NO. 44719 GRI PROJECT NO. 4236 PREPARED BY: GEOLOGICAL RESOURCES, INC. AUGUST 29, 2016 0 2,000 4,0001,000 Feet SCALE: 1 INCH = 2,000 FEET MAP CENTER LOCATION LATITUDE: 35.903109° N LONGITUDE: 79.986786° W `SITE LOCATION ³ "J "J"J "J "J "J "J "J "J "J "J DJ DJ DJ SITE S E A L Y D R TRINDALE RDNC HWY 62ROCKFORD DRT RI NI T Y RDOLD ENGLI SH FARM RDOFFICE PKW YENGLISH FARM RD ROCKFORD DR EXTUt Muddy Creek WSW-9 WSW-8 WSW-7 WSW-6 WSW-5 WSW-4 WSW-3 WSW-1 WSW-11 WSW-10 7708757085 7708858110 7708669429 7708849043 7708756568 7708755108 7708755062 7708758200 7708853562 7708752470770875506277087515197708751582 7 708753 3 4 3 7708752035 770875514977087524267708668002 7708750718 WSW-2 1,500-FOOT RADIUS 250-FOOT RADIUS 1,000-FOOT RADIUS FIGURE 3A: SITE VICINITY MAP TRINDALE MINI MART 7619 NC HIGHWAY 62 TRINITY, RANDOLPH COUNTY NORTH CAROLINA INCIDENT NO. 44719 GRI PROJECT NO. 4236 PREPARED BY: GEOLOGICAL RESOURCES, INC. SEPTEMBER 21, 2021 ³ 0 300150 Feet 1 inch = 300 feet LEGEND "J Water Supply Well DJ Water Supply Well (Inactive) roads streams Lakes Subject Property parcels NOTE: THIS MAP IS BASED ON DATA FROM THE RANDOLPH COUNTY, NC GIS WEBSITE. SITE M-2 M-2 M-1 M1 R-40 R-40 RM-CZ RM-CZ RM-CZ RM-CZ RM-CZ RM-CZ RM-CZ RM-CZ HC HC HC R-15 R-15 R-10 B-1 RA B-2 OI O&I RM-CZ RM-CZRM-CZ S E A L Y D R TRINDALE RDNC HWY 62ROCKFORD DRT RI NI T Y RDOLD ENGLI SH FARM RDOFFICE PKW YENGLISH FARM RD ROCKFORD DR EXTUt Muddy Creek WSW-9 WSW-8 WSW-7 WSW-6 WSW-5 WSW-4 WSW-3 WSW-1 WSW-11 WSW-10 7708757085 WSW-2 1,500-FOOT RADIUS 250-FOOT RADIUS 1,000-FOOT RADIUS FIGURE 3B: ZONING MAP TRINDALE MINI MART 7619 NC HIGHWAY 62 TRINITY, RANDOLPH COUNTY NORTH CAROLINA INCIDENT NO. 44719 GRI PROJECT NO. 4236 PREPARED BY: GEOLOGICAL RESOURCES, INC. SEPTEMBER 21, 2021 ³ 0 300150 Feet 1 inch = 300 feet LEGEND ZONING O&I ZONING OI ZONING B-2 ZONING RA ZONING B-1 ZONING R-10 ZONING R-15 ZONING HC ZONING RM-CZ ZONING R-40 ZONING M-1 ZONING M-2 Subject Property parcels "J Water Supply Well DJ Water Supply Well (Inactive) roads Lakes NOTE: THIS MAP IS BASED ON DATA FROM THE RANDOLPH COUNTY, NC GIS WEBSITE. HC-CZ TABLES UST ID Number 1 - 3 Facility ID Number Owner or Operator? Owner/Operator UST ID Number 5 Facility ID Number Owner or Operator? Owner/Operator UST ID Number 4 Facility ID Number Owner or Operator? Owner UST ID Number A1 - A3 Facility ID Number Owner or Operator? Owner/Operator UST ID Number 4 Facility ID Number Owner or Operator? Owner/Operator UST ID Number A1 - A3 Facility ID Number Owner or Operator? Owner/Operator Address Telephone Number Post Office Box 4395, Archdale, North Carolina 27263 (336) 382-6388 Post Office Box 4395, Archdale, North Carolina 27263 (336) 382-6388 0-0018398 Name of Owner or Operator Dates of Ownership / Operation Stephen K. Angel and Joan S. Angel 09/20/05 - Current Address Telephone Number Spencer Oil Company, Inc. 04/27/90 - 09/20/05 Address Telephone Number 7613 Highway 62, Trinity NC 27370 (336) 431-2171 0-0018398 Name of Owner or Operator Dates of Ownership / Operation Stephen K. Angel and Joan S. Angel 09/20/05 - 08/01/16 Name of Owner or Operator Dates of Ownership / Operation 7613 Highway 62, Trinity NC 27370 (336) 431-2171 0-0018398 Name of Owner or Operator Dates of Ownership / Operation Spencer Oil Company, Inc. 05/03/83 - 09/20/05 Address Telephone Number 7613 Highway 62, Trinity NC 27370 (336) 431-2171 0-0018398 Address Telephone Number Spencer Oil Company, Inc. 05/09/59 - 04/27/90 Address Telephone Number 7613 Highway 62, Trinity NC 27370 (336) 431-2171 0-0018398 Name of Owner or Operator Dates of Ownership / Operation Spencer Oil Company, Inc. 09/27/66 - 07/31/90 Name of Owner or Operator Dates of Ownership / Operation TABLE 1 UST OWNER/OPERATOR INFORMATION TRINDALE MINI MART (INCIDENT NO. 44719) 00-0-0000018398 Page 1 of 1 Date: 05/08/2020 Was Release Associated with UST System? (Yes / No) 1 Kerosene Kerosene 3,000 5/09/59 Steel 5' 3" x 18' Steel Removed (4/27/90)No 2 Gasoline Gasoline 4,000 5/09/59 Steel 5' 3" x 24' Steel Removed (4/27/90)No 3 Gasoline Gasoline 3,000 5/09/59 Steel 5' 3" x 18' Steel Removed (4/27/90)No 4 Kerosene Diesel 3,000 5/03/83 Steel 5' 3" x 18' Enviro-Flex Removed (8/01/16)Yes 5 Fuel Oil Fuel Oil 7,000 9/27/66 Steel 8' x 19' Steel Removed (7/31/90)No A1 Gasoline Gasoline 8,000 4/27/90 Single Wall FRP 8' x 21' 3" Single Wall FRP Current No A2 Gasoline Gasoline 8,000 4/27/90 Single Wall FRP 8' x 21' 3" Single Wall FRP Current No A3 Diesel Gasoline 8,000 4/27/90 Single Wall FRP 8' x 21' 3" Single Wall FRP Temporarily Closed No Notes: • FRP: Fiberglass reinforced plastic. Tank Dimensions Description of Associated Product Piping and Pumps Status of UST TABLE 2 UST SYSTEM INFORMATION TRINDALE MINI MART (INCIDENT NO. 44719) Facility ID #: 00-0-0000018398 UST ID No. Current or Most Recent Contents Previous Contents Capacity (gallons) Date Installed Construction Details Page 1 of 1 Facility ID #: 00-0-0000018398 Well No. PIN Well Owner Mailing Address Well Address Well Use (Potable/ Non- Potable etc.) Connected to Municipal Water Yes/No Distance from Source Area of Release (ft.) WSW-1 7708753343 Thomas & Diane Harris Life Estate Post Office Box 671 Trinity, NC 27370 107 Sealy Drive Trinity, NC 27370 Inactive Non-potable Yes 515' NW WSW-2 7708752470 Stacey Stanley 109 Sealy Drive Trinity, NC 27370 109 Sealy Drive Trinity, NC 27370 Unknown Yes 600' NW WSW-3 7708752426 Michael & Natasha Byrd 6370 Weant Road High Point, NC 27263 111 Sealy Drive Trinity, NC 27370 Unknown Yes 646' NW WSW-4 7708751582 Steven Morris Reddeck 2414 Mt. Willing Road Efland, NC 27243 113 Sealy Drive Trinity, NC 27370 Unknown Yes 740' NW WSW-5 7708751519 Langley Mitchel Ruth Post Office Box 78 Trinity, NC 27370 115 Sealy Drive Trinity, NC 27370 Unknown Yes 850' NW WSW-6 7708750718 Michael & Natasha Byrd 6370 Weant Road High Point, NC 27263 119 Sealy Drive Trinity, NC 27370 Unknown Yes 1,130' NW WSW-7 7708669429 J.L Darr, III & Henry H. Darr Post Office Box 7163 High Point, NC 27264 No Physical Address Inactive Non-potable Yes 1,060' NW WSW-8 7708668002 Miguel Sanchez Teodoro 1312 Bencini Place High Point, NC 27260 129 Sealy Drive Trinity, NC 27370 Inactive Non-potable Yes 1,385' NW WSW-9 7708756568 Henry H. Darr Post Office Box 7163 High Point, NC 27264 No Physical Address Active Non-potable Yes 505' NE WSW-10 7708853562 Johnny S. Jarrett 623 Trindale Road Trinity, NC 27370 623 Trindale Road Trinity, NC 27370 Unknown Yes 888' NE WSW-11 7708849043 RUSTIXX, LLC 1704 Laughlin Road Randleman, NC 27317 12990 Trinity Road Trinity, NC 27370 Unknown Yes 1,485' SE Notes: • Water supply wells are shown on Figure 3A. TABLE 3 WATER SUPPLY WELL INFORMATION TRINDALE MINI MART (INCIDENT NO. 44719) Date: 12/28/2022 Page 1 of 1 Date: 12/28/2022 Facility ID #: 00-0-0000018398 PIN Property Owner Name Mailing Address 7708757085 (site) Joan S. Angel P.O. Box 4395 Archdale, NC 27263 7708755062 Kimberlie E. Spencer & Anita L. Everhart 324 Kanoy Road Thomasville, NC 27360 7708755108 Doug Woodgeard 7613 NC Highway 62 Trinity, NC 27370 7708758200 R. H. Richardson Family, LLC. 788 Lake Forest Drive New London, NC 28127 7708858110 J.L. Darr & Sons, Inc. P.O. Box 7163 High Point, NC 27264 Note: • Properties are keyed to Figure 3A. TABLE 4 ADJACENT PROPERTY OWNER INFORMATION TRINDALE MINI MART (INCIDENT NO. 44719) Page 1 of 1 Date: 09/08/21 Facility ID # : 00-0-0000018398 Map ID No. Land Use Feature Zoning Description Address Distance from Source Area (feet) 1 Trin-Dale Children Center, Inc. B-2 School 13089 Trinity Road Trinity, NC 27370 ~750 Southeast 2 Carl and Linda Grubb Family YMCA M-2 Youth Organization 609 Trindale Road Archdale, NC 27263 ~1,500 Northeast n/a OI Office and Institutional n/a n/a n/a B-2 Highway Business n/a n/a n/a RA Residential and Agricultural n/a n/a n/a B-1 Business n/a n/a n/a R-10 Residential 10 n/a n/a n/a R-15 Residential 15 n/a n/a n/a HC Highway Commerical n/a n/a n/a RM-CZ Residential Medium - Conditional Zoning n/a n/a n/a R-40 Residential 40 n/a n/a n/a M-1 Mixed Use 1 n/a n/a n/a M-2 Mixed Use 2 n/a n/a Note: • Properties are keyed to Figure 3B. TABLE 5 LAND USE INFORMATION TRINDALE MINI MART MART (INCIDENT NO: 44719) Page 1 of 1 Date: 05/10/17 →5030/ 8015C 3546/ 8015C 50 100 NE NE NE NE NE NE NE NE NE NE NE NE NE NE NE NE NE NE 0.0072 5.4 8 6 0.085 0.2 6.6 6.6 0.054 1.5 68 540 31 540 NE 31 NE NE 12 1,250 60.3 3,120 156 5.5 156 156 22.8 62.5 625 1,560 469 1,560 31,200 469 UST-1-1 (10')08/01/16 10 164 20,000 <0.11 <0.099 <0.096 <0.25 NR NR NR NR NR NR NR NR NR NR NR NR UST-1-2 (10')08/01/16 10 <5.9 <6.2 <0.14 <0.12 <0.12 <0.31 NR NR NR NR NR NR NR NR NR NR NR NR DI-1 (3')08/01/16 3 22.4 1,860 <0.084 <0.075 <0.072 <0.19 NR NR NR NR NR NR NR NR NR NR NR NR SW-N (11')08/01/16 11 NR NR <0.0013 <0.0012 <0.0012 <0.0030 <0.0012 <0.0021 <0.0011 <0.0011 <0.030 <0.021 <2.3 <2.3 <2.3 <5.8 <5.8 <8.7 SW-E (11')08/01/16 11 NR NR 0.0040 J <0.0014 <0.0013 0.0083 J <0.0014 0.0361 0.0082 0.0207 0.242 0.214 J 5.44 J 95.5 64.3 574 79.3 170 SW-S (11')08/01/16 11 NR NR <0.0016 <0.0015 <0.0014 <0.0037 <0.0014 <0.0026 <0.0013 <0.0013 <0.041 <0.030 <3.8 <3.8 <3.8 <8.0 <8.0 <12 SW-W (11')08/01/16 11 NR NR NR NR NR NR NR NR NR NR NR NR NR NR NR NR NR NR Bottom (13')08/01/16 13 NR NR <0.0016 <0.0014 <0.0014 <0.0036 <0.0014 <0.0025 <0.0013 <0.0013 <0.036 <0.026 <3.1 <3.1 <3.1 <7.0 <7.0 <11 SP-1 (0-200)08/01/16 NA 73.2 954 <0.11 <0.097 <0.094 <0.24 NR NR NR NR NR NR NR NR NR NR NR NR MW-1 (18')04/26/17 18 NR NR <0.095 0.236 J 1.05 6.38 <0.078 21.6 11.4 4.06 19.0 24.3 15.0 287 462 3,390 645 1,670 MW-1 (28')04/26/17 28 NR NR <0.14 0.261 J 1.16 7.21 0.348 J 28.5 14.6 4.85 23.0 30.4 20.4 300 426 3,580 675 J 1,540 Notes: • Results reported in mg/kg. • ft-BGS: feet below ground surface. • RAL: Regulatory Action Level. • MCCs: Maximum Contaminant Concentrations (soils). • SCLs: Soil Cleanup Levels. • Concentrations in bold face type exceed the RALs and/or the soil-to-water MCCs. • Concentrations in bold and italic face type exceed the residential SCL. • <: Less than the method detection limit specified in the laboratory report. • J: Estimated value. • NR: Not Requested. • NA: Not Available • NE: Not Established. • Concentrations of isopropylbenzene, n-propylbenzene and methylene chloride in MW-1 (18') and MW-1 (28') exceeded the soil to water MCCs. • For other detectable contaminant concentrations below the MCCs, please refer to the laboratory report.C9-C18 AliphaticsC19-C36 AliphaticsC11-C22 AromaticsRAL Soil-to-Water MCCs C9-C12 AliphaticsC9-C10 AromaticsBenzeneResidential SCLs 1,3,5-Trimethylbenzene1-Methylnaphthalene2-MethylnaphthaleneC5-C8 AliphaticsTolueneEthylbenzeneTotal XylenesMethyl-tert-butyl-ether (MTBE)Naphthalene1,2,4-TrimethylbenzeneSample IDDate Collected(mm/dd/yy)Sample Depth(ft-BGS)Gasoline-Range TPHDiesel-Range TPHTABLE 6 SUMMARY OF SOIL SAMPLE ANALYTICAL RESULTS TRINDALE MINI MART MART (INCIDENT NO: 44719) Facility ID #: 00-0-0000018398 Analytical Method EPA Method 8260B and 8270D MADEP VPH MADEP EPH Page 1 of 1 Date: 01/11/23 Well ID Date Collected (mm/dd/yy) 1 600 600 500 20 6 40 128 10 70 70 3 0.4 70 25 70 400 400 1 30 400 700 200 700 10,000 200 5,000 260,000 80,000 50,000 20,000 6,000 40,000 12,800 10,000 6,900 8,500 3,000 400 70,000 11,700 26,100 28,500 24,100 1,000 12,000 NE NE NE NE NE NE 12/20/22 FP FP FP FP FP FP FP FP FP FP FP FP FP FP FP FP FP FP FP FP FP FP FP FP FP FP 12/20/22 <0.180 <0.220 <0.170 <0.210 35.2 <0.470 2.72 J <0.280 6.49 J <0.180 <0.200 <0.220 <0.150 4.41 <0.089 <0.190 <0.190 <0.180 NR NR NR NR NR NR NR NR 12/20/22 FP FP FP FP FP FP FP FP FP FP FP FP FP FP FP FP FP FP FP FP FP FP FP FP FP FP 12/20/22 10.4 1.87 5.30 75.3 394 33.9 52.2 3.43 J <1.60 5.60 7.63 <0.220 <0.150 30.0 8.01 9.68 242 68.3 NR NR NR NR NR NR NR NR 12/20/22 2.46 <0.220 <0.170 32.7 77.8 36.2 282 0.534 J 90.5 <0.180 5.04 <0.220 <0.150 9.80 8.61 10.0 184 96.6 NR NR NR NR NR NR NR NR 12/20/22 FP FP FP FP FP FP FP FP FP FP FP FP FP FP FP FP FP FP FP FP FP FP FP FP FP FP 12/20/22 6.41 <2.20 <1.70 10.0 J 85,000 <4.70 11,700 377 <16.0 <1.80 <2.00 <2.20 <1.50 520 <0.890 <1.90 <1.90 <1.80 NR NR NR NR NR NR NR NR 12/20/22 <0.180 <0.220 <0.170 <0.210 <0.140 <0.470 <1.90 <0.280 1.60 J 0.443 J 0.545 <0.220 <0.150 <0.500 0.226 J <0.190 2.44 <0.180 NR NR NR NR NR NR NR NR 12/20/22 121 <0.220 2.63 <0.210 38.9 167 92.7 1.42 J 24.4 11.8 13.5 <0.220 <0.150 3.48 19.6 52.0 1.29 0.345 J NR NR NR NR NR NR NR NR 12/20/22 <0.180 <0.220 <0.170 <0.210 <0.140 16.3 <1.90 <0.280 <1.60 <0.180 <0.200 <0.220 <0.150 <0.500 <0.089 <0.190 <0.190 <0.180 NR NR NR NR NR NR NR NR MW-11 12/20/22 35.1 <0.220 <0.170 7.59 3,930 12.2 1,070 23.5 <1.60 0.304 J 0.633 <0.220 <0.150 91.7 <0.089 <0.190 2.01 <0.180 3.66 3.16 1,210 63.9 J 13.9 J 208 JB <128 93.2 J MW-12 12/20/22 <1.80 <2.20 <1.70 <2.10 57.7 17.3 85.9 J <2.80 56.3 J 110 134 <2.20 <1.50 <5.00 16.4 26.6 <1.90 <1.80 196 141 540 6,440 9,360 350,000 20,800 155,000 J 12/20/22 11.0 0.508 <0.170 <0.210 370 2.58 730 J 14.1 <1.60 0.326 J 1.07 <0.220 1.37 12.5 <0.089 0.301 J <0.190 <0.180 NR NR NR NR NR NR NR NR 12/20/22 <0.180 <0.220 <0.170 <0.210 <0.140 <0.470 <1.90 <0.280 <1.60 <0.180 <0.200 <0.220 <0.150 <0.500 <0.089 <0.190 <0.190 <0.180 NR NR NR NR NR NR NR NR Notes: • Concentrations in bold face type indicate the MACs were below the reported concentrations. • For other compounds reported which did not exceed the MACs, refer to the laboratory report. SM 6200B EPA 625.1 • NA: Analyses not performed by laboratory. • J: Estimated concentration. • B: Analyte found in assoicated method blank. Contaminant of Concern →BenzeneTolueneEthylbenzeneTotal XylenesMethyl-tert-butyl ether(MTBE)Naphthalenetert-Amyl alcohol(TAA)• NR: Not requested. • FP: Free Product. • Results reported in µg/l (micrograms per liter). • MAC: Maximum Allowable Concenration as specified in T15A NCAC 2L.0202. • GCL: Gross contamination level. • NE: Standard not established.tert-Amyl methyl ether (TAME)tert-Butyl alcohol(TBA)TABLE 7 SUMMARY OF GROUND WATER SAMPLE ANALYTICAL RESULTS TRINDALE MINI MART (INCIDENT NO. 44719) Analytical Method → MADEP VPH Facility ID #: 00-0-0000018398 MADEP EPH n-Butylbenzenesec-ButylbenzeneMethyl chloride(Chloromethane)1,2-DichloroethaneDi-isopropyl etherp-Isopropyltoluene(4-Isopropyltoluene)n-Propylbenzene1,2,4-Trimethylbenzene1,3,5-Trimethylbenzene• J: Estimated value. MAC (µg/l) GCL (µg/l)C19-C36 AliphaticsC11-C22 AromaticsC9-C12 AliphaticsC9-C10 AromaticsC9-C18 AliphaticsC5-C8 Aliphatics• < : Less than the method detection limit specified in the laboratory report. • Concentrations in italics indicate the GCLs were below the reported concentrations.1-Methylnaphthalene2-MethylnaphthaleneMW-10 TW-1 Trip Blank MW-1 MW-2 MW-3 MW-4 MW-5 MW-6 MW-7 MW-8 MW-9 Page 1 of 1 Well ID MW-1 (Test #1)Well ID MW-1 (Test #2) Date:9/5/2017 Date:9/5/2017 Intial Depth to Product (feet)29.41 Intial Depth to Product (feet)29.93 Intial Depth to Water (feet)35.32 Intial Depth to Water (feet)32.82 Intial Product Thickness (feet)5.91 Intial Product Thickness (feet)2.89 Time (seconds) Depth to Free Product (feet) Depth to Water (feet) Product Thickness (feet) Time (seconds) Depth to Free Product (feet) Depth to Water (feet) Product Thickness (feet) Product Water Product Water 0 31.87 0 30.91 32.76 1.85 15 15 30.79 32.74 1.95 30 31.64 30 30.74 32.62 1.88 45 31.54 45 30.71 32.62 1.91 60 31.46 60 30.72 32.58 1.86 75 31.41 75 30.74 32.52 1.78 90 31.36 90 30.63 32.44 1.81 105 31.31 105 30.61 32.41 1.80 120 31.24 120 30.60 32.41 1.81 135 31.24 135 30.56 32.40 1.84 150 31.16 150 30.53 32.39 1.86 165 31.11 165 30.51 32.36 1.85 180 31.08 180 30.51 32.33 1.82 195 31.03 195 30.49 32.34 1.85 210 31.02 210 30.47 32.31 1.84 225 30.96 225 30.43 32.28 1.85 240 30.91 240 30.42 32.27 1.85 255 30.89 255 30.42 32.26 1.84 270 30.84 270 30.41 32.25 1.84 285 30.81 285 30.41 32.22 1.81 315 30.79 32.89 2.10 315 30.41 32.22 1.81 345 30.73 32.94 2.21 345 30.38 32.24 1.86 375 30.68 32.91 2.23 375 30.36 32.23 1.87 405 30.63 32.86 2.23 405 30.24 32.21 1.97 435 30.60 32.84 2.24 435 30.22 32.21 1.99 465 30.56 32.81 2.25 465 30.21 32.18 1.97 495 30.53 32.79 2.26 495 30.20 32.18 1.98 525 30.51 32.77 2.26 525 30.20 32.18 1.98 555 30.46 32.74 2.28 555 30.18 32.16 1.98 585 30.46 32.71 2.25 585 30.16 32.15 1.99 645 30.41 32.61 2.20 645 30.28 32.13 1.85 705 30.37 32.66 2.29 705 30.23 32.13 1.90 765 30.34 32.63 2.29 765 30.22 32.12 1.90 825 30.32 32.61 2.29 825 30.18 32.10 1.92 885 30.26 32.51 2.25 885 30.18 32.09 1.91 1185 30.18 32.31 2.13 1185 30.13 32.06 1.93 1485 30.11 32.30 2.19 1485 30.10 32.05 1.95 1785 30.08 32.50 2.42 1785 30.08 32.05 1.97 2685 30.01 32.51 2.50 2685 30.05 32.09 2.04 3585 29.99 32.56 2.57 3585 30.04 32.13 2.09 4485 30.01 32.16 2.15 5385 30.00 32.12 2.12 TABLE 8 SUMMARY OF FREE PRODUCT RECOVERY EVALUATION DATA TRINDALE MINI MART (INCIDENT NO. 44719) Date: 02/04/19 Method of Measurement: Well ID Product Type (gas, diesel, etc.) Date of Recovery (mm/dd/yy) Free Product Recovery Method* Casing Diameter (inches) Product Thickness before Recovery (feet) Product Thickness after Recovery (feet) Amount of Liquid Recovered (gallons) Amount of Product Recovered (gallons) MW-1 Kerosene 09/05/17 Hand Bailing 2 5.19 2.89 4.00 4.00 MW-1 Kerosene 11/22/17 AFVR 2 6.43 0.00 741.00 0.00 MW-1 Kerosene 02/14/19 AFVR 2 2.95 0.00 435.60 0.00 Notes : • *: Bailing, Skimming, Aggressive Fluid Vapor Recovery (AFVR), Mobile Multiphase Extraction (MMPE) • Amount of Liquid Recovered (gallons) includes Total liquids (Water and Free Product) as indicated on Disposal Manifest. • Amount of Product Recovered (in gallons) includes only the volume of free product in the tanker at the end of the event (based on Disposal Manifest and/or Field Notes). TABLE 9 FREE PRODUCT RECOVERY RESULTS TRINDALE MINI MART (INCIDENT NO. 44719) Interface probe at top-of-casing Facility ID #: 00-0-0000018398 Parge 1 of 1 Date: 02/04/19 MW-1 09/05/17 Hand Bailing --- --- --- ---4.00 4.00 4.00 MW-1 11/22/17 AFVR 1,143.86 152.29 583.29 0.25 741.00 0.00 0.25 MW-1 02/14/19 AFVR 118.24 66.71 84.23 0.01 435.60 0.00 0.01 0.26 1,180.60 4.00 4.26 Notes: • *: Bailing, Skimming, Aggressive Fluid Vapor Recovery (AFVR), Mobile Multiphase Extraction (MMPE) • Amount of Vaporized Product (in gallons) is based on Vapor Emissions Summary Sheet, = total emissions in pounds/6.25 • Amount of Liquid Recovered includes Total liquids (Water and Free Product) as indicated on Disposal Manifest. • Amount of Product Recovered as Liquid includes only the volume of free product in the tanker at the end of the event (based on Disposal Manifest and/or Field Notes). • Total Amount of Product Recovered = Amount of Vaporized Product + Amount of Product Recovered as Liquid • Total Fluids Removed = Amount of Vaporized Product + Amount of Liquid Recovered • Information regarding historical free product recovery activities is not available. Current Event 435.61 0.01 Total To Date 1,180.86 4.26 Totals SUMMARY OF FLUID REMOVAL Summary Total Fluids Removed (in gallons)Total Product Removed (in gallons) Amount of Liquid Recovered (gallons) Amount of Product Recovered as Liquid (gallons) Total Amount of Product Recovered (gallons) TABLE 10 FREE PRODUCT RECOVERY EVENT INFORMATION TRINDALE MINI MART (INCIDENT NO. 44719) Well ID Date (mm/dd/yy) Product Recovery Method* Average Effluent Velocity (ft/min) Average Effluent Temperature (°F) Average Effluent Concentration (ppm) Amount of Vaporized Product (gallons) Facility ID #: 00-0-0000018398 Page 1 of 1 Date: 02/04/19 Wells Included in Event Product Recovery Method* Date of Event (mm/dd/yy) Total Amount of Free Product plus Ground Water Recovered (gallons) Cost of Free Product Recovery Event Cost Per Gallon (total liquids) MW-1 Hand Bailing 09/05/17 4.00 $725.00 $181.25 MW-1 AFVR 11/22/17 741.25 $2,573.35 $3.47 MW-1 AFVR 02/14/19 435.61 $2,466.25 $5.66 1,180.86 $5,764.60 $4.88 Notes: • *: Bailing, Skimming, Aggressive Fluid Vapor Recovery (AFVR), Mobile Multiphase Extraction (MMPE) • Total Amount of Free Product Recovered = Amount of Vaporized Product + Amount of Product Recovered as Liquid • Cost of Free Product Recovery Event includes supervision, travel, mileage, per diem, subcontractor costs, report preparation and project management. TOTAL (to date) TABLE 11 FREE PRODUCT RECOVERY COST SUMMARY TRINDALE MINI MART (INCIDENT NO. 44719) Comments Cost per gallon for the event is based on a total volume of 4.00 gallons of free product. Facility ID #: 00-0-0000018398 Cost per gallon for the event is based on a total volume of 435.61 gallons water and free product. Cost per gallon for the event is based on a total volume of 741.25 gallons water and free product. Page 1 of 1 Date: 12/28/22 Well ID Date Installed (mm/dd/yy) Date Water Level Measured (mm/dd/yy) Well Casing Depth (ft. BGS) Screened Interval (x to y ft. BGS) Bottom of Well (ft. BGS) Top of Casing Elevation (ft.) Depth to Water from Top of Casing (ft) Free Product Thickness (ft.) Ground Water Elevation (ft.) Comments 04/26/17 31.11 0.10 Free Product 09/05/17 35.32 5.91 Free Product 11/22/17 37.43 6.43 Before AFVR 11/22/17 33.66 ---After AFVR 02/14/19 24.75 2.95 Before AFVR 02/14/19 25.18 ---After AFVR 04/22/20 23.53 0.64 77.02 08/24/21 25.08 0.66 75.49 12/20/22 29.51 0.72 71.11 04/22/20 23.99 ---76.49 08/24/21 25.08 ---75.40 12/20/22 29.69 ---70.79 04/22/20 23.49 0.03 76.29 08/24/21 24.32 0.03 75.46 12/20/22 28.71 0.01 71.05 04/22/20 22.42 ---75.75 08/24/21 23.44 ---74.73 12/20/22 27.36 ---70.81 04/22/20 22.04 ---75.93 08/24/21 23.16 ---74.81 12/20/22 27.09 ---70.88 08/24/21 24.44 0.01 77.10 12/20/22 28.63 0.23 73.10 08/24/21 25.43 ---77.12 12/20/22 29.98 ---72.57 08/24/21 24.75 ---77.43 12/20/22 29.15 --- 73.03 08/24/21 23.78 ---76.92 12/20/22 27.72 ---72.98 08/24/21 18.56 ---76.41 12/20/22 22.24 ---72.73 MW-11 12/19/22 12/20/22 20 20 - 35 35 103.07 30.55 ---72.52 MW-12 12/19/22 12/20/22 20 20 - 35 35 99.96 27.34 --- 72.62 08/24/21 23.63 ---76.72 12/20/22 27.53 --- 72.82 Notes: • Elevations relative to a temporary benchmark with an assumed elevation 100.00 ft. • ft BGS : feet below ground surface. • NM: Not measured. 15 - 35 15 15 - 35 35 98.17 35 97.97 MW-4 04/22/20 MW-5 04/22/20 15 TABLE 12 WELL CONSTRUCTION & GAUGING INFORMATION TRINDALE MINI MART (INCIDENT NO. 44719) Facility ID #: 00-0-0000018398 NMNM MW-1 04/26/17 29 29 - 49 49 100.00 MW-2 04/22/20 MW-3 04/22/20 15 15 - 35 35 100.48 15 15 - 35 35 99.75 MW-6 08/18/21 MW-7 08/18/21 MW-8 08/18/21 MW-9 08/18/21 MW-10 08/18/21 TW-1 08/19/21 15 15 - 35 35 101.53 15 15 - 35 35 102.55 15 15 - 35 35 102.18 15 15 - 35 35 100.70 10 10 - 30 30 94.97 60 60 - 65 65 100.35 Page 1 of 1 Facility ID#: 00-0-0000018398 ft/min ft/day ft/day ft/year MW-8 1.389E-04 2.000E-01 4.00E-02 1.46E+01 MW-9 2.759E-03 3.973E+00 7.95E-01 2.90E+02 AVG (MWs) 1.449E-03 2.086E+00 4.17E-01 1.52E+02 TW-1 1.015E-02 1.462E+01 2.34E+00 8.54E+02 Note: Seepage velocities calculated using the equation v = k(dh/dl)/ne , where: k = hydraulic conductivity ne = effective porosity: MW-8 & 9 = 0.20 (fine sandy silt) TW-1 = 0.25 (fine-medium sand) dh/dl = hydraulic gradient = 0.04 TABLE 13 SUMMARY OF SLUG TEST ANALYSES TRINDALE MINI MART (INCIDENT NO. 44719) Date : 09/03/2021 Well Hydraulic Conductivity (k)Seepage Velocity (v) Page 1 of 1 APPENDICES APPENDIX A State Correspondence August 18, 2020 Mr. Stephen Angel Angel’s Inc. P.O. Box 4395 Archdale, NC 27263-4395 Re: Notice of Regulatory Requirements 15A NCAC 2L .0407(c) Risk-based Assessment and Corrective Action for Petroleum Underground Storage Tanks Trindale Mini Mart 7619 NC Highway 62 Trinity, Randolph County Incident Number: 44719 Risk Classification: Intermediate Ranking: I232D Dear Mr. Angel: The Limited Site Assessment Report received by the UST Section, Division of Waste Management, Winston-Salem Regional Office on June 26, 2017 and a Groundwater Monitoring Report received on June 4, 2020 have been reviewed. The risk posed by the discharge or release at the subject site is classified by the Department of Environmental Quality as intermediate, as stipulated under Title 15A NCAC 2L .0406. The land use at the site is classified as industrial/commercial. Title 15A NCAC 2L .0407(a) requires you to notify the Department of any changes that might affect the risk or land use classifications that have been assigned. Title 15A NCAC 2L .0407(c) requires you to comply with assessment and cleanup requirements of Title 15A NCAC 2N .0706 and Title15A NCAC 2L .0106(c) and 2L .0106(g). A Comprehensive Site Assessment (CSA) Report prepared in accordance with these requirements and the most recent version of the Guidelines for Assessment and Corrective Action for UST Releases must be received by this office within 90 days of the date of this notice. In addition, you must submit a summary of the CSA Report to the local Health Director and the local Chief Administrative Officer in accordance with 15A NCAC 2L .0114. The summary should be submitted to these persons no later than five working days after submittal of the CSA Report to this office. Failure to comply in the manner and time specified, may result in the assessment of civil penalties and /or the use of other enforcement mechanisms. Effective October 1, 2004, the Department requires that all work following the submittal of the Limited Site Assessment Report (Title 15A NCAC 2L .0405) be preapproved if State Trust Fund reimbursement is anticipated. To comply with this requirement, a completed Preapproval/Claim Authorization Form, encompassing the required remedial activities, must be received in this office within 14 days of the date of this letter. Upon completion of the preapproved activities, you should submit your claim promptly. Reimbursement funds are budgeted based on completed preapprovals, but lengthy delays in reimbursement can occur if claims are not submitted immediately following work completion. Because a release or discharge has been confirmed, a Licensed Geologist or a Professional Engineer, certified by the State of North Carolina, is required to prepare and certify all reports submitted to the Department in accordance with Title 15A NCAC 2L .0103(e) and 2L .0111(b). If you have any questions regarding trust fund eligibility or reimbursement from the Commercial or Noncommercial Leaking Petroleum Underground Storage Tank Cleanup Funds, please contact the UST Section Trust Fund Branch at (919) 707-8171. If you have any questions regarding the actions that must be taken or the rules mentioned in this letter, please contact me at the address or telephone number listed below. Sincerely, Doug Whitmire, PG Hydrogeologist Winston-Salem Regional Office UST Section, Division of Waste Management, NCDEQ cc: Randolph County Health Department Site Name City / County /Randolph Incident #44719 Resp Pty Name / Contact Incident Mgr Region WS RP Type (Owner/Operator / Landowner / Attny-in-fact)Change Order?Prev. TA #8 Consultant / Project Mgr /Corey N. Buchanan Telephone / Fax Number /Task Authorization Number:9 ChangeOrd: Project Mgr Email Site Risk / Rank / Abatement:I232D RRA Date:8/4/2017 Proposal# / Scope Dates /% Commercial (C=100%, NC=0%, Both=1%-99%) Has STF Eligibility Been Determined? (Y/N)Site Status (Active or NFA Date) With Claim: [ ] All Main Consultant/Contractor invoices attached?[ ] Proof of payment attached directly to the front of each invoice? Important: The date of reimbursement is dependent on the Trust Fund balance. There may be a delay in the reimbursement of claims for work under this ePATA.3rd Pty Ded?Task #Lab / SubCode RO AuthProposed Rate/Price (Consultant)CO AuthProposed Task Subtotal (Consultant) Preapproved Subtotal (UST Section) Claimed Amount3 (Consultant) 1.050 1 /agreement y $300.00 y $300.00 $300.00 / 3.101 175 /feet y $12.50 y $2,187.50 $2,187.50 / 3.101 65 /feet y $18.00 y $1,170.00 $1,170.00 / 3.113 175 /feet y $50.00 y $8,750.00 $8,750.00 / 3.115 65 /feet y $75.00 y $4,875.00 $4,875.00 / 3.351 6 /wells y $80.00 y $480.00 $480.00 / 3.398 1 /event y $350.00 y $350.00 $350.00 / 4.031 6 /wells y $110.00 y $660.00 $660.00 / 2.087 2 /wells y $50.00 y $100.00 $100.00 / 4.090 #240 7 /samples y $88.00 y $616.00 $616.00 / 4.090 #301 6 /samples y $196.00 y $1,176.00 $1,176.00 / 4.090 #341 6 /samples y $52.00 y $312.00 $312.00 / 4.090 #342 6 /samples y $94.00 y $564.00 $564.00 / 4.090 #590 1 /sample y $35.00 y $35.00 $35.00 / 4.090 #640 2 /samples y $121.00 y $242.00 $242.00 / 4.091 1 /shipment y $80.00 y $80.00 $80.00 / 5.010 1 /event y $1,300.00 y $1,300.00 $1,300.00 / 6.050 1 /report y $4,400.00 y $4,400.00 $4,400.00 / 6.174 1 /property y $500.00 y $500.00 $500.00 / 12.050 3 /trips y $250.00 n $750.00 $500.00 / // // // // // // // Requested Preapproved Claimed 3 TOTAL:$28,847.50 $28,597.50 TOTAL: Total Standard Costs (Not Third Party)$28,847.50 $28,597.50 Total Standard Costs Total applied as Third Party Deductible/Damage Costs $0.00 $0.00 Total Third Pty Costs Process Tracking (Date) TA Submittal:9/23/20 by:(PM)(Reserved for RO) RO Review:10/1/20 by:(IM)Joint UST Preapproval Confirmed By:Date1 10/2/2020 CO Review:10/2/20 by:(STF)RP or Designee Receipt Confirmation By:Date 4 1 - This ePATA expires one year from the Joint UST Preapproval date. This does not extend, alter, or supersede any regulatory deadlines (e.g., NORR's, NOV's, Enforcements, etc.) 2 - THE ONE YEAR STATUTE OF LIMITATIONS APPLIES TO EACH INDIVIDUAL TASK. Costs must be claimed within one year of completion of that task to be reimbursable. 3 - Only Tasks included on this ePATA may be claimed. Do not include other Tasks or claimed costs (i.e., Claim preparation) that were not preapproved or the claim will be returned. 4 - Preapproval is not valid (i.e., claimable) until receipt is signed as 'Confirmed' by the RP or their designee and returned to the Trust Fund within a week of approval. Signature indicates acknowledgement of the tasks and amounts approved. Any objections/appeals must be submitted via Change Order prior to work proceeding. Scope/cost negotiations do not supersede other regulatory deadlines as described in #1 above. Also, any ePATA that has been signed as 'Confirmed' by both the UST Section and RP is not to be modified without written consent by all signatories. 5 - Tasks approved on Directed - CAB Only ePATAs must be performed in accordance with all applicable rules, statutes, and RRD Task Scopes of Work to be reimbursed in full. DWM/UST ePATA 8/1/2020 CNB Proposed Units / Type (Consultant) Doug Whitmire ActiveTRUE 20-459 September 2020 704-845-4012 Dates of Work (Consultant) Started1 / Completed2 FINAL REIMBURSEMENT 100.00% cnb@geologicalresourcesinc.com Angel's Inc.Ms. Angel Geological Resources, Inc. DIRECTED COSTS Trinity (Must Complete with Claim Submittal)(See Instructions / RRD for Tasks requiring Preapproval / Task Authorization) Owner/Operator 704-845-4010 (Reserved for Incident Manager) PREAPPROVAL / TASK AUTHORIZATION Trindale Mini Mart Note:This Electronic Preapproval Task Authorization (ePATA)shall be used to receive preapproval from the UST Section.A proposal,including maps and figures,must be attached to elaborate on the costs for the tasks listed below that describes the scope of work and the rationale for the proposed activities.If,following completion of this ePATA, you discover that unexpected tasks must be performed,incurring costs for tasks not originally included with this form,you must complete and submit a separate ePATA request designated as a "Change Order"in the provided space above prior to conducting those tasks.Include a copy of the prior ePATA form for confirmation.Pleaseattach this form to the cover of the corresponding claim when requesting reimbursement.IMPORTANT:Only one claim may be submitted per ePATA and all work on the ePATA must have been completed within 12 months of the completion date of the FIRST completed task to remain within the Statute of Limitations.All ePATAs submitted within a claim are closed with that claim,and may not be re-used in a separate submittal,even forcosts or tasks that were not originally claimed.Finalreimbursement of costs associated with the Total Claimed amount below may be affected by the eligibility status of the site (i.e.,deductibles,apportionment,etc.),and the documentary validation of incurred costs as reasonable and necessary expenses per 15A NCAC 2P .0402 and .0404. DLW SCR (Initials) Doug Whitmire ELECTRONIC PREAPPROVAL TASK AUTHORIZATION FORM Dept of Environmental Quality -Division of Waste Management The slug test task includes travel so teh mobe request for this is not allowed. Site Name City / County /Randolph Incident #44719 Resp Pty Name / Contact Incident Mgr Region WS RP Type (Owner/Operator / Landowner / Attny-in-fact)Change Order?Prev. TA #9 Consultant / Project Mgr /Henry Wells Telephone / Fax Number /Task Authorization Number:9 ChangeOrd:1 Project Mgr Email Site Risk / Rank / Abatement:I232D RRA Date:8/4/2017 Proposal# / Scope Dates /% Commercial (C=100%, NC=0%, Both=1%-99%) Has STF Eligibility Been Determined? (Y/N)Site Status (Active or NFA Date) With Claim: [ ] All Main Consultant/Contractor invoices attached?[ ] Proof of payment attached directly to the front of each invoice? Important: The date of reimbursement is dependent on the Trust Fund balance. There may be a delay in the reimbursement of claims for work under this ePATA.3rd Pty Ded?Task #Lab / SubCode RO AuthProposed Rate/Price (Consultant)CO AuthProposed Task Subtotal (Consultant) Preapproved Subtotal (UST Section) Claimed Amount3 (Consultant) 3.080 1 /permit y $250.00 y $250.00 $250.00 / // // // // // // // // // // // // // // // // // // // // // // // // // // Requested Preapproved Claimed 3 TOTAL:$250.00 $250.00 TOTAL: Total Standard Costs (Not Third Party)$250.00 $250.00 Total Standard Costs Total applied as Third Party Deductible/Damage Costs $0.00 $0.00 Total Third Pty Costs Process Tracking (Date) TA Submittal:7/20/21 by:(PM)(Reserved for RO) RO Review:7/21/21 by:(IM)Joint UST Preapproval Confirmed By:Date1 7/26/2021 CO Review:7/23/21 by:(STF)RP or Designee Receipt Confirmation By:Date 4 1 - This ePATA expires one year from the Joint UST Preapproval date. This does not extend, alter, or supersede any regulatory deadlines (e.g., NORR's, NOV's, Enforcements, etc.) 2 - THE ONE YEAR STATUTE OF LIMITATIONS APPLIES TO EACH INDIVIDUAL TASK. Costs must be claimed within one year of completion of that task to be reimbursable. 3 - Only Tasks included on this ePATA may be claimed. Do not include other Tasks or claimed costs (i.e., Claim preparation) that were not preapproved or the claim will be returned. 4 - Preapproval is not valid (i.e., claimable) until receipt is signed as 'Confirmed' by the RP or their designee and returned to the Trust Fund within a week of approval. Signature indicates acknowledgement of the tasks and amounts approved. Any objections/appeals must be submitted via Change Order prior to work proceeding. Scope/cost negotiations do not supersede other regulatory deadlines as described in #1 above. Also, any ePATA that has been signed as 'Confirmed' by both the UST Section and RP is not to be modified without written consent by all signatories. 5 - Tasks approved on Directed - CAB Only ePATAs must be performed in accordance with all applicable rules, statutes, and RRD Task Scopes of Work to be reimbursed in full. DWM/UST ePATA 8/1/2020 DIRECTED COSTS Trinity (Must Complete with Claim Submittal)(See Instructions / RRD for Tasks requiring Preapproval / Task Authorization) Owner/Operator 704-845-4010 (Reserved for Incident Manager) PREAPPROVAL / TASK AUTHORIZATION Trindale Mini Mart Note:This Electronic Preapproval Task Authorization (ePATA)shall be used to receive preapproval from the UST Section.A proposal,including maps and figures,must be attached to elaborate on the costs for the tasks listed below that describes the scope of work and the rationale for the proposed activities.If,following completion of this ePATA, you discover that unexpected tasks must be performed,incurring costs for tasks not originally included with this form,you must complete and submit a separate ePATA request designated as a "Change Order"in the provided space above prior to conducting those tasks.Include a copy of the prior ePATA form for confirmation.Pleaseattach this form to the cover of the corresponding claim when requesting reimbursement.IMPORTANT:Only one claim may be submitted per ePATA and all work on the ePATA must have been completed within 12 months of the completion date of the FIRST completed task to remain within the Statute of Limitations.All ePATAs submitted within a claim are closed with that claim,and may not be re-used in a separate submittal,even forcosts or tasks that were not originally claimed.Finalreimbursement of costs associated with the Total Claimed amount below may be affected by the eligibility status of the site (i.e.,deductibles,apportionment,etc.),and the documentary validation of incurred costs as reasonable and necessary expenses per 15A NCAC 2P .0402 and .0404. DLW SCR (Initials) Doug Whitmire HW Proposed Units / Type (Consultant) Doug Whitmire ActiveTRUE 20-459 August 2021 704-845-4012 Dates of Work (Consultant) Started1 / Completed2 FINAL REIMBURSEMENT 100.00% Yes hjw@geologicalresourcesinc.com Angel's Inc.Ms. Angel Geological Resources, Inc. ELECTRONIC PREAPPROVAL TASK AUTHORIZATION FORM Dept of Environmental Quality -Division of Waste Management 7/26/2021 Site Name City / County /Randolph Incident #44719 Resp Pty Name / Contact Incident Mgr Region WS RP Type (Owner/Operator / Landowner / Attny-in-fact)Change Order?Prev. TA #9 Consultant / Project Mgr /Joanna R Alley Telephone / Fax Number /Task Authorization Number:10 ChangeOrd: Project Mgr Email Site Risk / Rank / Abatement:I232D RRA Date:8/4/2017 Proposal# / Scope Dates /% Commercial (C=100%, NC=0%, Both=1%-99%) Has STF Eligibility Been Determined? (Y/N)Site Status (Active or NFA Date) With Claim: [ ] All Main Consultant/Contractor invoices attached?[ ] Proof of payment attached directly to the front of each invoice? Important: The date of reimbursement is dependent on the Trust Fund balance. There may be a delay in the reimbursement of claims for work under this ePATA.3rd Pty Ded?Task #Lab / SubCode RO IM AuthProposed Rate/Price (Consultant)RO Supv. AuthProposed Task Subtotal (Consultant) Preapproved Subtotal (UST Section) Claimed Amount3 (Consultant) 1.050 1 /agreement y $300.00 y $300.00 $300.00 / 3.080 1 /permit y $250.00 y $250.00 $250.00 / 3.101 70 /feet y $12.50 y $875.00 $875.00 / 3.113 70 /feet y $50.00 y $3,500.00 $3,500.00 / 3.351 2 /wells y $80.00 y $160.00 $160.00 / 3.398 1 /event y $350.00 y $350.00 $350.00 / 4.031 13 /wells y $110.00 y $1,430.00 $1,430.00 / 4.090 #240 14 /samples y $88.00 y $1,232.00 $1,232.00 / 4.090 #301 13 /samples 2 $196.00 y $2,548.00 $392.00 / 4.090 #341 2 /samples y $52.00 y $104.00 $104.00 / 4.090 #342 2 /samples y $94.00 y $188.00 $188.00 / 4.091 1 /shipment y $80.00 y $80.00 $80.00 / 6.050 1 /report y $4,400.00 y $4,400.00 $4,400.00 / 6.082 1 /site y $500.00 y $500.00 $500.00 / 12.050 1 /trip y $250.00 y $250.00 $250.00 / // // // // // // // // // // // // Requested Preapproved Claimed 3 TOTAL:$16,167.00 $14,011.00 TOTAL: Total Standard Costs (Not Third Party)$16,167.00 $14,011.00 Total Standard Costs Total applied as Third Party Deductible/Damage Costs $0.00 $0.00 Total Third Pty Costs Process Tracking (Date) TA Submittal:1/6/22 by:(PM)(Reserved for RO) RO Review:1/27/22 by:(IM)Joint UST Preapproval Confirmed By:Date1 2/1/2022 RO Supv. Review:1/31/22 by:(STF)RP or Designee Receipt Confirmation By:Date 4 1 - This ePATA expires one year from the Joint UST Preapproval date. This does not extend, alter, or supersede any regulatory deadlines (e.g., NORR's, NOV's, Enforcements, etc.) 2 - THE ONE YEAR STATUTE OF LIMITATIONS APPLIES TO EACH INDIVIDUAL TASK. Costs must be claimed within one year of completion of that task to be reimbursable. 3 - Only Tasks included on this ePATA may be claimed. Do not include other Tasks or claimed costs (i.e., Claim preparation) that were not preapproved or the claim will be returned. 4 - Preapproval is not valid (i.e., claimable) until receipt is signed as 'Confirmed' by the RP or their designee within a week of approval. The signed pre-approval must be submitted in the submitted claim. Signature indicates acknowledgement of the tasks and amounts approved. Any objections/appeals must be submitted via Change Order prior to work proceeding. Scope/cost negotiations do not supersede other regulatory deadlines as described in #1 above. Also, any ePATA that has been signed as 'Confirmed' by both the UST Section and RP is not to be modified without written consent by all signatories. 5 - Tasks approved on Directed - CAB Only ePATAs must be performed in accordance with all applicable rules, statutes, and RRD Task Scopes of Work to be reimbursed in full. DWM/UST ePATA 8/1/2020 DIRECTED - CAB ONLY Trinity (Must Complete with Claim Submittal)(See Instructions / RRD for Tasks requiring Preapproval / Task Authorization) Owner/Operator 704-845-4010 (Reserved for Incident Manager) PREAPPROVAL / TASK AUTHORIZATION Trindale Mini Mart Note:This Electronic Preapproval Task Authorization (ePATA)shall be used to receive preapproval from the UST Section.A proposal,including maps and figures,must be attached to elaborate on the costs for the tasks listed below that describes the scope of work and the rationale for the proposed activities.If,following completion of this ePATA, you discover that unexpected tasks must be performed,incurring costs for tasks not originally included with this form,you must complete and submit a separate ePATA request designated as a "Change Order"in the provided space above prior to conducting those tasks.Include a copy of the prior ePATA form for confirmation.Pleaseattach this form to the cover of the corresponding claim when requesting reimbursement.IMPORTANT:Only one claim may be submitted per ePATA and all work on the ePATA must have been completed within 12 months of the completion date of the FIRST completed task to remain within the Statute of Limitations.All ePATAs submitted within a claim are closed with that claim,and may not be re-used in a separate submittal,even forcosts or tasks that were not originally claimed.Finalreimbursement of costs associated with the Total Claimed amount below may be affected by the eligibility status of the site (i.e.,deductibles,apportionment,etc.),and the documentary validation of incurred costs as reasonable and necessary expenses per 15A NCAC 2P .0402 and .0404. DLW LE (Initials) Doug Whitmire JRA Proposed Units / Type (Consultant) Doug Whitmire ActiveTRUE 22-020 February 2022 704-845-4012 Dates of Work (Consultant) Started1 / Completed2 FINAL REIMBURSEMENT 100.00% jra@geologicalresourcesinc.com Angels, Inc.Joan Angel Geological Resources, Inc. ELECTRONIC PREAPPROVAL TASK AUTHORIZATION FORM Dept of Environmental Quality -Division of Waste Management DLW-Proposed SOW will bring total CSA work to $45,014.50 pre-approved. SOW is to drill 2 shallow wells to help delineate horizontal extent. Note: well screens should not extend below the water table by more than 10 feet.LE CSA costs are being moved from TA 44719-9 to this TA. Task 4.090, code 301-Analyze only two new monitorng wells. (The constituent concentrations found under 625 thus far indicate that they are not the leaders for this intermediate-risk site.) LE Note: The above changes brings the total CSA pre-approved costs to $38,708. 2/11/22 4236 Received FEB 22 2022 Site Name City / County /Randolph Incident #44719 Resp Pty Name / Contact Incident Mgr Region WS RP Type (Owner/Operator / Landowner / Attny-in-fact)Change Order?Prev. TA #10 Consultant / Project Mgr /Joanna Alley Telephone / Fax Number /Task Authorization Number:11 ChangeOrd: Project Mgr Email Site Risk / Rank / Abatement:I-232-D RRA Date:8/4/2017 Proposal# / Scope Dates /% Commercial (C=100%, NC=0%, Both=1%-99%) Has STF Eligibility Been Determined? (Y/N)Site Status (Active or NFA Date) With Claim: [ ] All Main Consultant/Contractor invoices attached?[ ] Proof of payment attached directly to the front of each invoice? Important: The date of reimbursement is dependent on the Trust Fund balance. There may be a delay in the reimbursement of claims for work under this ePATA.3rd Pty Ded?Task #Lab / SubCode RO IM AuthProposed Rate/Price (Consultant)RO Supv. AuthProposed Task Subtotal (Consultant) Final Preapproved Subtotal (UST Section) Claimed Amount3 (Consultant) 3.118 70 /feet y $5.00 Y $350.00 $350.00 / 3.397 1 /Mobe y $100.00 Y $100.00 $100.00 / 4.090 #240 14 /samples y $6.00 Y $84.00 $84.00 / 4.090 #301 2 /samples y $12.00 Y $24.00 $24.00 / 4.090 #341 2 /samples y $4.00 Y $8.00 $8.00 / 4.090 #342 2 /samples y $6.00 Y $12.00 $12.00 / 12.055 1 /trip y $50.00 Y $50.00 $50.00 / // // // // // // // // // // // // // // // // // // // // Requested Preapproved Claimed 3 TOTAL:$628.00 $628.00 TOTAL: Total Standard Costs (Not Third Party)$628.00 $628.00 Total Standard Costs Total applied as Third Party Deductible/Damage Costs $0.00 $0.00 Total Third Pty Costs Process Tracking (Date) TA Submittal:12/9/22 by:(PM)(Reserved for RO) RO Review:12/9/22 by:(IM)Joint UST Preapproval Confirmed By:Date1 12/12/2022 RO Supv. Review:12/12/22 by:(STF)RP or Designee Receipt Confirmation By:Date 4 1 - This ePATA expires one year from the Joint UST Preapproval date. This does not extend, alter, or supersede any regulatory deadlines (e.g., NORR's, NOV's, Enforcements, etc.) 2 - THE ONE YEAR STATUTE OF LIMITATIONS APPLIES TO EACH INDIVIDUAL TASK. Costs must be claimed within one year of completion of that task to be reimbursable. 3 - Only Tasks included on this ePATA may be claimed. Do not include other Tasks or claimed costs (i.e., Claim preparation) that were not preapproved or the claim will be returned. 4 - Preapproval is not valid (i.e., claimable) until receipt is signed as 'Confirmed' by the RP or their designee within a week of approval. The signed pre-approval must be submitted in the submitted claim. Signature indicates acknowledgement of the tasks and amounts approved. Any objections/appeals must be submitted via Change Order prior to work proceeding. Scope/cost negotiations do not supersede other regulatory deadlines as described in #1 above. Also, any ePATA that has been signed as 'Confirmed' by both the UST Section and RP is not to be modified without written consent by all signatories. 5 - Tasks approved on Directed - CAB Only ePATAs must be performed in accordance with all applicable rules, statutes, and RRD Task Scopes of Work to be reimbursed in full. DWM/UST ePATA 4/1/2022 JA Proposed Units / Type (Consultant) Ryan Bond ActiveYes 22-020 Jun-22 704-845-4012 Dates of Work (Consultant) Started1 / Completed2 FINAL REIMBURSEMENT 100.00% jra@geologicalresourcesinc.com Angels, Inc Geological Resources, Inc. DIRECTED - CAB ONLY Trinity (Must Complete with Claim Submittal)(See Instructions / RRD for Tasks requiring Preapproval / Task Authorization) Owner/Operator 704-845-4010 (Reserved for Incident Manager) PREAPPROVAL / TASK AUTHORIZATION Trindale Mini Mart Note:This Electronic Preapproval Task Authorization (ePATA)shall be used to receive preapproval from the UST Section.A proposal,including maps and figures,must be attached to elaborateon the costs for the tasks listed below that describes the scope of workand the rationale for the proposed activities.If,following completion of this ePATA, you discover that unexpected tasks must be performed, incurring costs for tasks not originally included with this form,you must complete and submit a separate ePATA request designated as a "Change Order" inthe provided space above prior to conducting those tasks.Include a copy of the prior ePATAform for confirmation.Please attach this form to the cover of the corresponding claim when requesting reimbursement.IMPORTANT:Only one claim may be submitted per ePATA and all work on the ePATA must have been completed within 12 months of the completion date of the FIRST completed task to remain withintheStatuteof Limitations.All ePATAs submittedwithinaclaim are closed with that claim,and may not be re-used in a separate submittal,even for costs or tasks that were not originally claimed.Final reimbursement of costs associated with the Total Claimed amount below may be affected by the eligibility status of the site (i.e.,deductibles,apportionment,etc.),and the documentary validation of incurred costs as reasonable and necessary expenses per 15A NCAC 2P .0402 and .0404. RAB JWB (Initials) ELECTRONIC PREAPPROVAL TASK AUTHORIZATION FORM Dept of Environmental Quality -Division of Waste Management 12/12/22 1 Joanna Alley From:Bond, Ryan A <ryan.bond@ncdenr.gov> Sent:Wednesday, January 11, 2023 9:21 AM To:Joanna Alley Subject:RE: [External] Trindale Mini Mart Hi Joanna, If the GCLs are defined, I agree. Thanks, Ryan A. Bond, P.G. Environmental Program Consultant, UST Section Division of Waste Management, NCDEQ Winston-Salem Regional Office 336-776-9679 (Office) ryan.bond@ncdenr.gov Samples collected from active UST systems should be analyzed for oxygenates All UST Section “deliverables/documents” (letters, reports, recorded NRPs etc.) must be submitted electronically to the appropriate Incident Manager (See below for county assignments and contact information). If a document is too large to send via email, please contact the appropriate Incident Manager for instructions. Please provide a responsible party email address with each submittal, if available. COUNTY ASSIGNMENTS (Subject to Change. Check List Frequently): Guilford County: Gene Mao (336-641-3589) Ashley Dinkins (336-641-5557) Jordan Lerew (336-641-3541) Christina Schroeter: Ashe and Forsyth (336-776-9683) Mindy Lepard: Alamance and Surry (336-776-9686) Linda Estkowski: Caswell, Davie, Rockingham, Stokes, Watauga, Yadkin (336-776-9680) Ryan Bond: Alleghany, Davidson, Randolph, Wilkes (336-776-9679) Karen Hall: All counties and phases through the LSA, Complaints and Spills (336-776-9681) Samantha Kofroth: Noncommercial/Nonregulated USTs and Non-UST releases (336-776-9687) Doug Whitmire: Soil Permits (336-776-9685) Shelia McIntosh: File Reviews (336-776-9630) 2 ALL UST ARCHIVED FILES CAN BE FOUND ON THE FOLLOWING LINK: https://deq.nc.gov/about/divisions/waste-management/laserfiche DWM LOCATOR TOOL: USE MAP FOR LOCATING UST SITES ACROSS THE STATE: https://ncdenr.maps.arcgis.com/apps/webappviewer/index.html?id=7dd59be2750b40bebebfa49fc383f688 UST FACILITY DATABASE (Facility Permitting and Inspection Documents): https://xapps.ncdenr.org/wm/docs/WMDocs_Search.jsp From: Joanna Alley <jra@geologicalresourcesinc.com> Sent: Tuesday, January 10, 2023 12:31 PM To: Bond, Ryan A <ryan.bond@ncdenr.gov> Subject: [External] Trindale Mini Mart CAUTION: External email. Do not click links or open attachments unless you verify. Send all suspicious email as an attachment to Report Spam. Good Afternoon Ryan, We just received the analytical for Trindal Mini Mart and it looks like GCLs are defined with the installation of the new wells. Based on the site being Intermediate Risk, would you agree that this site is sufficiently defined or would like additional wells installed to define to MACs? Best Regards, Joanna Alley, P.E. Project Manager Geological Resources, Inc. 2021 Winner of the Union County Chamber Excellence In Business Award 3502 Hayes Road | Monroe, NC 28110 | website | facebook | 704-845-4010-office | 704-698-1244-direct | 704-845-4012-fax APPENDIX B Site-Specific Health and Safety Plan APPENDIX C Well Photographs Trindale Mini Mart Trinity, North Carolina MW-6 MW-7 Trindale Mini Mart Trinity, North Carolina MW-8 MW-9 Trindale Mini Mart Trinity, North Carolina MW-10 MW-11 MW-12 APPENDIX D Well Permit, Well Construction Records, and Subsurface Logs North Carolina Department of Environmental Quality | Division of Water Resources Winston-Salem Regional Office | 450 W. Hanes Mill Rd, Suite 300 | Winston-Salem, North Carolina 27105 336.776.9800 December 2, 2022 Ms. Joan Angel Angels Inc. DBA Trindale Mini Mart 7619 NC Highway 62 Trinity, North Carolina 27370 SUBJECT: MONITORING WELL CONSTRUCTION PERMIT NO. WM0401416 COUNTY: Randolph FILE NAME: 7613 NC Highway 62 Dear Ms. Angel: In accordance with your application received on November 30, 2022, we are forwarding herewith: 1. Monitoring Well Construction Permit No. WM0401416 for the construction of one (1) monitoring well at 7613 NC Highway 62 in Trinity in Randolph County. Henceforth, correspondence and data relating to these wells shall be designated as specified in the subject heading above. This Permit will be effective from the date of issuance and shall be subject to the conditions and limitations as specified therein. If you have any questions regarding this permit, please contact me or Jim Gonsiewski at (336) 776-9800. Sincerely, Lon T. Snider Regional Supervisor Water Quality Regional Operations Section Division of Water Resources, NCDEQ - WSRO cc: Doug Woodgeard (Electronic Copy) Joanna Alley – Geological Resources, Inc. (Electronic Copy) North Carolina Department of Environmental Quality | Division of Water Resources Winston-Salem Regional Office | 450 W. Hanes Mill Rd, Suite 300 | Raleigh, North Carolina 27105 336.776.9800 NORTH CAROLINA DEPARTMENT OF ENVIRONMENTAL QUALITY DIVISION OF WATER RESOURCES – WATER QUALITY REGIONAL OPERATIONS SECTION PERMIT FOR THE CONSTRUCTION OF A MONITORING WELL In accordance with the provisions of Article 7, Chapter 87, North Carolina General Statutes, and other applicable Laws, Rules and Regulations. PERMISSION IS HEREBY GRANTED TO Angels Inc. DBA Trindale Mini Mart FOR THE CONSTRUCTION OF A MONITOR WELL SYSTEM consisting of one (1) monitoring well owned by Angels Inc. DBA Trindale Mini Mart. The well will be located at 7613 NC Highway 62 in Trinity, North Carolina, in Randolph County. This Permit is issued in accordance with the application received on November 30, 2022 in conformity with specifications and supporting data, all of which are filed with the Department of Environmental Quality and are considered integral parts of this Permit. This Permit is for well construction only and does not waive any provision or requirement of any other applicable law or regulation. Construction of any well under this Permit shall be in strict compliance with the North Carolina Well Construction Regulations and Standards (15A NCAC 02C .0100), and other State and Local Laws and regulations pertaining to well construction. If any requirements or limitations specified in this Permit are unacceptable, you have a right to an adjudicatory hearing upon written request within 30 days of receipt of this Permit. The request must be in the form of a written petition conforming to Chapter 150B of the North Carolina General Statutes and filed with the Office of Administrative Hearings, 6714 Mail Service Center, Raleigh, North Carolina 27699-6714. Unless such a demand is made, this Permit is final and binding. This Permit will be effective for one year from the date of its issuance and shall be subject to other specified conditions, limitations, or exceptions as follows: North Carolina Department of Environmental Quality | Division of Water Resources Winston-Salem Regional Office | 450 W. Hanes Mill Rd, Suite 300 | Raleigh, North Carolina 27105 336.776.9800 1. Issuance of this Permit does not obligate reimbursement from State trust funds, if these wells are being installed as part of an investigation for contamination from an underground storage tank or dry cleaner incident. 2. Issuance of this Permit does not supersede any other agreement, permit, or requirement issued by another agency. 3. The well(s) shall be located and constructed as shown on the attachments submitted as part of the Permit application. 4. Each well shall have a Well Contractor Identification Plate in accordance with 15A NCAC 02C .0108(o). 5. Well construction records (GW-1) for each well shall be submitted to the Division of Water Resources’ Information Processing Unit within 30 days of the well completion. 6. When the well is discontinued or abandoned, it shall be abandoned in accordance with 15A NCAC 02C .0113 and a well abandonment record (GW-30) shall be submitted to the Division of Water Resources’ Information Processing Unit within 30 days of the well abandonment. 7. The County Health Department may require a county monitoring well construction permit. Please contact the health department for their requirements. Permit issued the 2nd day of December, 2022 FOR THE NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION _______________________________________________ Lon T. Snider, Regional Supervisor Water Quality Regional Operations Section Division of Water Resources, NCDEQ - WSRO By Authority of the Environmental Management Commission Permit No. WM0401416 Site Name:Date: Project Number:Log Completed By: Company:Drill Type: Driller:License Number: Boring ID:Depth: Diameter:Completion Details: PID Lab From To (ppm)Sample Description Color Moisture Odor Depth (ft)Lithology SITE INFORMATION DRILLING INFORMATION BORING INFORMATION Trindale Mini Mart 4236 8/18/2021 Stephanie Gainey Geological Resources, Inc. Sam Bowers Solid Stem Auger 3220-A MW-6 6" 35 Well installed at completion 0 0.5 Asphalt 0.5 14 Silty Clay Red-brown Dry None 14 35 Clayey Silt Orange-brown Moist Present Photo 1: Preclearing Photo 2: Completion Site Name:Date: Project Number:Log Completed By: Company:Drill Type: Driller:License Number: Boring ID:Top of Casing: Diameter:Depth to Water: From (ft)To (ft)From (ft)To (ft)Diameter (in) From (ft)To (ft)From (ft)To (ft)Diameter (in) From (ft)To (ft)From (ft)To (ft)Diameter (in) Sand Bentonite Grout Screen Casing SITE INFORMATION DRILLING INFORMATION WELL CONSTRUCTION INFORMATION DIAGRAM - MONITORING WELL Sand Bentonite Grout Screen Inner Casing Outer Casing Trindale Mini Mart 4236 8/18/2021 Stephanie Gainey Geological Resources, Inc. Sam Bowers Solid Stem Auger 3220-A MW-6 6" 101.53 19 13 35 11 13 0 11 0 15 2 15 35 2 11 13 35 15 35 WELL CONSTRUCTION RECORD This form can be used for single or multiple wells Form GW-1 North Carolina Department of Environment and Natural Resources – Division of Water Resources Revised August 2013 1. Well Contractor Information: Well Contractor Name NC Well Contractor Certification Number Company Name 2. Well Construction Permit #: List all applicable well permits (i.e. County, State, Variance, Injection, etc.) 3. Well Use (check well use): Water Supply Well: □Agricultural □Municipal/Public □Geothermal (Heating/Cooling Supply) □Residential Water Supply (single) □Industrial/Commercial □Residential Water Supply (shared) □Irrigation Non-Water Supply Well: □Monitoring □Recovery Injection Well: □Aquifer Recharge □Groundwater Remediation □Aquifer Storage and Recovery □Salinity Barrier □Aquifer Test □Stormwater Drainage □Experimental Technology □Subsidence Control □Geothermal (Closed Loop) □Tracer □Geothermal (Heating/Cooling Return) □Other (explain under #21 Remarks) 4. Date Well(s) Completed: ____________ Well ID#______________________ 5a. Well Location: Facility/Owner Name Facility ID# (if applicable) Physical Address, City, and Zip County Parcel Identification No. (PIN) 5b. Latitude and Longitude in degrees/minutes/seconds or decimal degrees: (if well field, one lat/long is sufficient) N W 6. Is (are) the well(s): □Permanent or □Temporary 7. Is this a repair to an existing well: □Yes or □No If this is a repair, fill out known well construction information and explain the nature of the repair under #21 remarks section or on the back of this form. 8. Number of wells constructed: For multiple injection or non-water supply wells ONLY with the same construction, you can submit one form. 9. Total well depth below land surface: (ft.) For multiple wells list all depths if different (example- 3@200’ and 2@100′) 10. Static water level below top of casing: (ft.) If water level is above casing, use “+” 11. Borehole diameter: (in.) 12. Well construction method: (i.e. auger, rotary, cable, direct push, etc.) FOR WATER SUPPLY WELLS ONLY: 13a. Yield (gpm) Method of test: 13b. Disinfection type: Amount: 14. WATER ZONES FROM TO DESCRIPTION ft. ft. ft. ft. 15. OUTER CASING (for multi-cased wells) OR LINER (if applicable) FROM TO DIAMETER THICKNESS MATERIAL ft. ft. in. 16. INNER CASING OR TUBING (geothermal closed-loop) FROM TO DIAMETER THICKNESS MATERIAL ft. ft. in. ft. ft. in. 17. SCREEN FROM TO DIAMETER SLOT SIZE THICKNESS MATERIAL ft. ft. in. ft. ft. in. 18. GROUT FROM TO MATERIAL EMPLACEMENT METHOD &