Loading...
HomeMy WebLinkAboutWS-3285_9846_CA_MRP_20220908P.O. Box 16265 • Greensboro, NC 27416 503 Industrial Ave • Greensboro, NC 27406 Phone (336)335-3174 • Fax (336)691-0648 • Toll Free (866)545-9507 Email: Info@pyramidenvironmental.com www.pyramidenvironmental.com September 8, 2022 Mr. Gene Mao Guilford County Department of Environmental Health 400 West Market Street, Suite 300 Greensboro, NC 27401 Email: GMAO@guilfordcountync.gov RE: Groundwater Monitoring Report for: Taylor’s Grocery, 1610 NC Hwy. 61, Whitsett, Guilford Co., NC NCDEQ Incident No. 9846 Mr. Mao: Pyramid Environmental & Engineering, P.C. has completed the Groundwater Monitoring Report for the above-referenced site. The enclosed report summarizes the results of the February 2022 semiannual groundwater monitoring event and presents the conclusions and recommendation based on these results. If you have any questions or comments regarding the report, please do not hesitate to contact me. Respectfully, Mika Trifunovic Project Manager Enclosure: Groundwater Monitoring Report [I] TABLE OF CONTENTS EXECUTIVE SUMMARY .............................................................................................. 1 1.0 INTRODUCTION ............................................................................................... 3 1.1 SITE INFORMATION .......................................................................................................... 3 1.2 SITE HYDROLOGY & GEOLOGY ....................................................................................... 4 1.3 PREVIOUS REPORTS ......................................................................................................... 4 2.0 SITE HISTORY ................................................................................................... 4 3.0 RECEPTOR INFORMATION .............................................................................. 5 4.0 SITE ASSESSMENT INFORMATION .................................................................. 7 4.1 EXTENT OF SOIL CONTAMINATION .................................................................................. 7 4.2 EXTENT OF GROUNDWATER CONTAMINATION ................................................................ 7 4.2.1 Monitoring Well Sampling ..................................................................................................................... 7 4.2.2 Potable Water Supply Well Sampling .................................................................................................... 8 4.2.3 Description of Current Plume ................................................................................................................. 8 4.2.4 Groundwater Remediation .................................................................................................................... 9 5.0 CONCLUSIONS & RECOMMENDATIONS ....................................................... 10 5.1 CONCLUSIONS ................................................................................................................ 10 5.2 RECOMMENDATIONS ...................................................................................................... 11 6.0 STATEMENT & CERTIFICATION ..................................................................... 12 7.0 CLOSURE ........................................................................................................ 13 [II] TABLE OF CONTENTS (continued) FIGURES: 1. Topographic Map 2. Site Map 3. Surrounding Properties Map 4. Soil Cross-section Location Map 5. Soil Cross-section A-A’ 6. Soil Cross-sections B-B’ & C-C’ 7. Potentiometric Surface Map (02/17/2022) 8. Benzene Isoconcentration Map (02/17/2022) 9. Naphthalene Isoconcentration Map (02/17/2022) 10. Remediation System Layout 11. Remediation System P&ID TABLES: 1. Underground Storage Tank (UST) Information (page 3) 2. Surrounding Properties and Supply Well Information 3. Monitoring/Recovery Well Construction Details 4. Groundwater Elevation Data 5. Groundwater Analytical Results 6. Remediation System Groundwater Recovery 7. SVE and AS Operation Parameters GRAPHS: 1. BTEX Concentrations vs Time 2. Benzene Concentrations vs Time 3. Estimated Groundwater Contaminant Mass vs Time APPENDICIES: A. April 2009 Soil Analytical Results B. Laboratory Reports/Chains of Custody C. Estimated Groundwater Mass Calculation Spreadsheet D. Hydrocarbon Mass Removal Calculation [III] ACRONYMS BLS ................. Below Land Surface BTEX .............. Benzene, Toluene, Ethylbenzene, & Xylenes CFR ................. Code of Federal Regulations COC ................ Chain-of-Custody CSA ................. Comprehensive Site Assessment CAP ................. Corrective Action Plan DEQ ................ Department of Environmental Quality EDB ................. 1,2-Dibromoethane GCLs ............... Gross Contaminant Levels HASP .............. Health & Safety Plan HQW .............. High Quality Water MSCC .............. Maximum Soil Contaminant Concentration MTBE .............. Methyl Tertiary Butyl Ether µg/L ................ Micrograms per Liter mg/kg ............. Milligrams per kilogram MW ................ Monitoring Well NPDES ............ National Pollutions Discharge Elimination System NCAC .............. North Carolina Administrative Code O&M .............. Operations and Maintenance OSHA .............. Occupational Safety and Health Administration OWS .............. Oil Water Separator OVA ................ Organic Vapor Analyzer PPM ................ Parts Per Million PID .................. Photo-ionization Detector P&ID ............... Process & Instrumentation Diagram PVC ................. Poly-vinyl Chloride QA/QC ............ Quality Assurance / Quality Control SCFM .............. Standard Cubic Feet per Minute SVE ................. Soil Vapor Extraction SW .................. Water Supply Well UST ................. Underground Storage Tank US EPA ............ United States Environmental Protection Agency Groundwater Monitoring Report – T.A.C., Inc. - Taylor’s Grocery 1 Pyramid Project No.: 2021-233 09/11/2022 GROUNDWATER MONITORING REPORT Taylor’s Grocery – DEQ #9846 EXECUTIVE SUMMARY The Taylor’s Grocery remediation system employing soil vapor extraction (SVE), air sparging (AS), and groundwater recovery methods began operation on April 17, 2016.The site is located in the Lake Mackintosh critical watershed area, and no discharge to surface water from any type of treatment facility is allowed. In February 2017, Gene Mao, the site incident manager with the NCDEQ-UST Section, requested the shutdown of the groundwater recovery segment of the remediation system at the end of the 1st quarter of 2017. The groundwater recovery segment was shut down on March 16, 2017. The system recovered 100,965 gallons of contaminated groundwater between April 2016 and March 2017. In June 2017, the NCDEQ Trust Fund requested the shutdown of SVE and AS segments of the remediation system. The segments were shut down on June 30, 2017. The $ 322,000.00 remediation system operated for only 17 months. A calculated total of approximately 1,589 equivalent pounds of total hydrocarbon vapors were removed during the SVE system operation. It is estimated that the groundwater contaminant mass was decreased by approximately 42% while all system segments were operational. Based on the data, the remediation system was effective in removing the petroleum hydrocarbon mass from the soil and groundwater as designed. The most recent groundwater monitoring event was completed on February 17, 2022. Pyramid collected groundwater samples from the pre-approved MWs. NCDEQ preapproved sampling of seven monitoring/recovery wells (MW-1, MW-2, MW-3, MW-9, RW-1, RW-5, and RW-6) and water supply wells SW-1 and SW-2. The February 2022 analytical results for on-site water supply well SW-1 and the closest downgradient water supply well SW-2, detected several petroleum-related compounds at very low concentrations significantly lower than the 2L Groundwater Standard levels. The water supply wells have shown low petroleum-related contaminant concentrations below the 2L Groundwater Standard levels in the past. The analytical results for the February 2022 groundwater monitoring event indicate that concentrations of petroleum contaminants have increased since the previous monitoring event completed in March 2021. The largest increase in dissolved petroleum concentrations is detected in RW-6 and it is most likely due to the back diffusion of contaminants from the contaminated Groundwater Monitoring Report – T.A.C., Inc. - Taylor’s Grocery 2 Pyramid Project No.: 2021-233 09/11/2022 area located beneath the store. The average groundwater contaminant concentration in the sampled monitoring wells increased from 333.10 µg/l µg/l to 568.43 µg/l between March 2021 and February 2022. The February 2022 analytical results show that high concentrations of dissolved petroleum hydrocarbons above the 2L Groundwater Standards are still present in the groundwater at the Taylor’s Grocery site. Since the site is a high-risk site and it is in a watershed critical area, active groundwater and soil remediation is required. Pyramid recommends reactivation of all segments of the remediation system for at least 6 months. The concentration declines provided by the remediation system are well documented and reactivation of the remediation system is required for groundwater cleanup to NCAC 2L Groundwater Standards. The remediation system was constructed after Pyramid verified that the NCDEQ Trust Fund Head required that the system be constructed and operated. Pyramid verified in writing that the system should be purchased and installed before proceeding with the required work. The purchase and installation of the remediation system was $ 322,000.00. For this system to have been purchased and installed and only operated 17 months is a poor return on investment for the Trust Fund. The best ROI is for the system to be activated and used for at least 6 months. Cycling of remediation systems at other UST sites has been an effective method to complete site remediation and this one should be no different. The next groundwater monitoring event should include all monitoring/recovery wells and three closest water supply wells and should be conducted in November 2022. The limited number of wells that the NCDEQ pre-approved for the last three monitoring events does not provide assessment of the entire site and does not show the entire picture at the Taylor’s Grocery site. Groundwater Monitoring Report – T.A.C., Inc. - Taylor’s Grocery 3 Pyramid Project No.: 2021-233 09/11/2022 1.0 INTRODUCTION 1.1 Site Information SITE NAME: Taylor’s Grocery ADDRESS: 1610 NC Hwy 61 CITY: Whitsett, NC COUNTY: Guilford CURRENT PROPERTY OWNER: R&R Outpost, LLC CURRENT PROPERTY USE: Hardware/feed store ( Open for Business ) RESPONSIBLE PARTY: T.A.C., Inc. NCDEQ UST FACILITY ID: 0-010734 (all USTs removed) FORMER USTs: Listed in table below LAT – LONG: 36.024588° N Latitude -79.573758° W. Latitude GPS LOCATION: Former Gasoline UST Pit GPS SOURCE: Google Earth NCDEQ INCIDENT NO.: 9846 NCDEQ INCIDENT MANAGER: Gene Mao (Guilford Co. Enviro. Health) SITE RANKING: H-255 Table 1 Table 1: Underground Storage Tank (UST) Information Tank No. Installation Dates Size in Gallons Tank Dimensions (dia. X length) Last Contents UST Removal Dates 1 12/16/1988 1000 46” x 12’ Gasoline 4/29/2009 2 12/16/1988 550 46” x 6.4’ Gasoline 4/29/2009 3 12/16/1988 550 46” x 6.4’ Gasoline 4/29/2009 4 5/14/1966 275 36” x 64” Kerosene 4/29/2009 A 5/14/1966 1000 46” x 12’ Gasoline 12-18-1988 B 5/14/1966 550 46” x 6.4’ Gasoline 12-18-1988 C 5/14/1966 550 46” x 6.4’ Gasoline 12-18-1988 In December 1988, Tanks A, B, & C were removed and replaced with Tanks 1, 2, & 3 by Old Alamance Oil Company (Joe Edwards). FIGURES: Figure 1: Topographic Map Figure 2: Site Map Figure 3: Surrounding Properties Map Groundwater Monitoring Report – T.A.C., Inc. - Taylor’s Grocery 4 Pyramid Project No.: 2021-233 09/11/2022 1.2 Site Hydrology & Geology GEOLOGIC PROVINCE: Carolina Slate Belt BEDROCK TYPE: Metamorphosed granitic rock DEPTH TO BEDROCK: ~6 to 10 feet BGS (below ground surface) DEPTH TO WATER: 6 to 14 feet BGS POTENTIOMETRIC GRADIENT: ~0.034 south-southwest HYDRAULIC CONDUCTIVITY (K): 0.077 ft./day or 28.01 ft./year 1.3 Previous Reports REPORT DATE CONSULTANT 20-Day / IAA Report (UST Closure Assessment) 5/21/2009 Pyramid Environmental & Engineering, P.C. Limited Site Assessment 9/28/2009 Pyramid Environmental & Engineering, P.C. Comprehensive Site Assessment (CSA) 8/31/2010 Pyramid Environmental & Engineering, P.C. Corrective Action Plan (CAP) 11/30/201 2 Pyramid Environmental & Engineering, P.C. Pre-CAP Monitoring Report 3/7/2013 Pyramid Environmental & Engineering, P.C. Initial Active Remediation Monitoring Report 11/7/2016 Pyramid Environmental & Engineering, P.C. Groundwater Monitoring Report 3/20/2017 Pyramid Environmental & Engineering, P.C. Remediation System O&M Update Letter Reports 12/21/16- 7/17/17 Pyramid Environmental & Engineering, P.C. Groundwater Monitoring Reports 10/10/2017 - 1/26/2022 Pyramid Environmental & Engineering, P.C. 2.0 SITE HISTORY On April 27 through 29, 2009, Pyramid supervised the removal of two 550-gallon gasoline USTs, one 1,000-gallon gasoline UST, one 275-gallon kerosene UST, removal of product piping, removal of dispensers, and the excavation of petroleum contaminated soil at the subject property. The USTs were buried approximately 2.5 to 3 feet below land surface (BLS). Contamination was observed at each of the gasoline USTs and at the 275-gallon kerosene UST system. During the excavation procedures, Pyramid screened soil samples using an Organic Vapor Analyzer (OVA) to determine the approximate extent of soil contamination. The soil beneath the tanks did not show groundwater, and the tanks were not sitting directly on bedrock. Bedrock was not encountered while excavating contaminated soil at 13 feet. Groundwater Monitoring Report – T.A.C., Inc. - Taylor’s Grocery 5 Pyramid Project No.: 2021-233 09/11/2022 The petroleum contaminated soils from the gasoline and kerosene UST basins, below the kerosene product piping, and dispenser were excavated, and transported offsite for proper disposal. Based on certified weight tickets, 147.12 tons of petroleum-contaminated soil was excavated and transported by OK Enterprises to Earthtec of NC, Inc. in Sanford, North Carolina for proper disposal. After the excavation, risk-based soil analyses in the gasoline area showed very minor petroleum contamination present at the limits of the excavation. Two samples were over Soil-to- Groundwater (STGW) Maximum Soil Contaminant Concentrations (MSCCs), and all samples were less than Residential MSCCs. The results indicate that the soil contamination in this area was effectively removed. For the kerosene area excavation, risk-based soil samples showed some concentrations over STGW and Residential MSCCs. The soil in this area was excavated to the limits of bedrock and the store building foundation. In September 2009, Pyramid completed a Phase II LSA report, and the report was submitted to the North Carolina Department of Environmental Quality (NCDEQ) and the Guilford County Environmental Health Department. In October 2009, the NCDEQ sent a letter requesting a Comprehensive Site Assessment (CSA) report for the site. The CSA was completed and approved in 2010. In 2010, the NCDEQ and the Guilford County Environmental Health Department issued a letter requiring a Corrective Action Plan (CAP). The CAP was submitted to Guilford County on November 30, 2012. The CAP recommended a three-technology approach using soil vapor extraction, groundwater recovery, and air sparging. The CAP was approved in May 2013, and it was implemented during the October 2015 – April 2016 period. The remediation system became operational on April 27, 2016. 3.0 RECEPTOR INFORMATION Water Supply Wells A receptor survey was conducted in August 2009. As part of the receptor survey, Water Supply Well Information Surveys were mailed to property owners, and some property owners were interviewed. The site is located in a rural area, predominantly used for residential and agricultural purposes. No municipal water service is currently available to the site or surrounding properties and there are no plans to bring municipal water in the foreseeable future. The locations of the surrounding properties and the location of the supply wells are shown on Figure 3. The owner information for properties within 1,000 feet corresponding to Figure 3 is shown on Table 2. Groundwater Monitoring Report – T.A.C., Inc. - Taylor’s Grocery 6 Pyramid Project No.: 2021-233 09/11/2022 As shown on Figure 3, eight (8) active supply wells are located within 1,000 feet of the source area and five (5) active supply wells were observed between 1,000 and 1,500 feet of the source area. No public water or sewer is available to the site or properties located within 1,500 feet of the site. There is municipal water service at the TA Truck Stop located approximately 3 miles north of the site at the intersection of Highway 61 and Interstate 40/85. On-site Supply Well The well at Taylor’s Grocery (SW-1 as shown on Figure 2) has shown concentrations of petroleum hydrocarbons, below the 2L Standards, in the past. The groundwater from the well is used by the recently open hardware/feed store for private use only. Surface Water Surface water runoff from the subject site generally flows to the west, southwest, 500 feet into an unnamed man-made pond. From the unnamed pond, an intermittent stream drains into an unnamed tributary of Lake Macintosh. The unnamed intermittent stream flows west, northwest for approximately 3,200 feet, joining the unnamed tributary which flows northwest about 2,600 feet and flows into Lake Macintosh. Lake Macintosh is fed by Big Alamance Creek. Lake Macintosh is a Class IV Water Supply, with a critical watershed protection area and Nutrient Sensitive Water classifications. The unnamed stream has no watershed classification; however, it was connected to Big Alamance Creek prior to the dam construction that created Lake Macintosh. The Taylor’s Grocery site is located entirely within the designated critical watershed protection area. Discussion with the Division of Water Quality revealed that no NPDES permits are issued for critical watershed protection areas. Wellhead Protection Areas There are no designated wellhead protection areas within a 1,500-foot radius of the site. Deep Aquifers in The Coastal Plain Physiographic Region Since the Taylor’s Grocery site is in the Piedmont region, this section is not applicable to this site. Subsurface Structures There are no known manmade subsurface structures that would provide a pathway for contamination migration. The presence of bedrock across the site at 8 to 13 feet below land surface (BLS) is likely to have the greatest effect on petroleum migration. Groundwater Monitoring Report – T.A.C., Inc. - Taylor’s Grocery 7 Pyramid Project No.: 2021-233 09/11/2022 4.0 SITE ASSESSMENT INFORMATION 4.1 Extent of Soil Contamination The most recent soil sampling was conducted during the UST removal and soil excavation in April 2009. The April 2009 post excavation soil analytical results indicated that there was soil contamination above the soil-to-groundwater MSCCs in the areas where the former pump island and two gasoline tanks were located. Soil contamination above the residential MSCCs was identified near the former kerosene UST. The petroleum contaminated soil under the T&G Grocery building could not be excavated. The horizontal locations of the soil cross sections are shown on Figure 4. The soil concentration cross section A-A’ is shown on Figure 5 while soil cross sections B-B’ and C-C’ are shown on Figure 6. The April 2009 soil analytical results are summarized in tables included in Appendix A. 4.2 Extent of Groundwater Contamination The most recent groundwater monitoring event was completed on February 17, 2022. Pyramid collected groundwater samples from the pre-approved MWs. NCDEQ preapproved sampling of seven monitoring/recovery wells (MW-1, MW-2, MW-3, MW-9, RW-1, RW-5, and RW-6) and water supply wells SW-1 and SW-2. 4.2.1 Monitoring Well Sampling SAMPLING DATE: February 17, 2022 MWs/RWs SAMPLED: MW-1, MW-2, MW-3, MW-9, RW-1, RW-5, and RW-6 LAB ANALYSES: Samples collected from all monitoring/recovery wells were analyzed using the SM 6200B method FREE PRODUCT: No free product was found in the wells. TABLES: Table 3: Monitoring/Recovery Well Construction Details Table 4: Groundwater Elevation Data Table 5: Groundwater Analytical Results FIGURES: Figure 7: Potentiometric Surface Map (02/17/2022) Figure 8: Benzene Isoconcentration Map (02/17/2022) Figure 9: Naphthalene Isoconcentration Map (02/17/2022) GRAPHS: Graph 1: BTEX Concentrations vs. Time Graph 2: Benzene Concentrations vs. Time Groundwater Monitoring Report – T.A.C., Inc. - Taylor’s Grocery 8 Pyramid Project No.: 2021-233 09/11/2022 STANDARD FIELD PROCEDURES: Field procedures were performed as outlined in the DEQ July 15, 2008 and December 1, 2013 updates publication “Guidelines for Sampling” under the UST Section. LABORATORY REPORTS & CHAINS-OF-CUSTODY: Appendix B 4.2.2 Potable Water Supply Well Sampling SAMPLING DATE: February 17, 2022 WELLS SAMPLED: SW-1 and SW-2 LAB ANALYSES: Standard Method 6200B TABLES: Table 2: Surrounding Properties & Supply Well Information Table 5: Groundwater Analytical Results FIGURES Figure 3: Surrounding Properties Map STANDARD FIELD PROCEDURES: Field procedures were performed as outlined in the DEQ July 15, 2008 and December 1, 2013 updates publication “Guidelines for Sampling” under the UST Section. LABORATORY REPORTS & CHAINS-OF-CUSTODY: Appendix B The February 2022 analytical results for on-site water supply well SW-1 and the closest downgradient water supply well SW-2, detected several petroleum-related compounds at very low concentrations significantly lower than the 2L Groundwater Standard levels. The water supply wells have shown low petroleum-related contaminant concentrations below the 2L Groundwater Standard levels in the past. 4.2.3 Description of Current Plume (Concentrations reported in micrograms per liter = µg/l) CURRENT MAXIMUM BENZENE (02/17/2022): .......................................... 108 µg/l (RW-6) PREVIOUS MAXIMUM BENZENE (08/26/2020): ........................................ 18.7 µg/l (RW-6) HISTORIC MAXIMUM BENZENE (12/6/2011): ..................................... 10,700 µg/l (MW-5) CURRENT MAXIMUM BTEX (02/17/2022): ................................................. 702 µg/l (RW-6) PREVIOUS MAXIMUM BTEX (08/26/2020): ............................................. 3,022 µg/l (RW-6) HISTORIC MAXIMUM BTEX (10/6/2015): ........................................... 89,100 µg/l (MW-13) CURRENT MAXIMUM MTBE (02/17/2022): ............................................... 2.48 µg/l (SW-1) PREVIOUS MAXIMUM MTBE (08/26/2020): .............................................. 0.91 µg/l (RW-6) HISTORIC MAXIMUM MTBE (12/6/2011): .............................................. 1,310 µg/l (MW-5) Groundwater Monitoring Report – T.A.C., Inc. - Taylor’s Grocery 9 Pyramid Project No.: 2021-233 09/11/2022 CURRENT MAXIMUM NAPHTHALENE (02/17/2022): ................................ 96.8 µg/l (RW-6) PREVIOUS MAXIMUM NAPHTHALENE (08/26/2020): ............................... 31.9 µg/l (RW-6) HISTORIC MAXIMUM NAPHTHALENE (12/6/2011): ................................ 952 µg/l (MW-13) CURRENT 2L PLUME HORIZONTAL EXTENT (02/17/2022): ............... ~6,960 ft2 (estimated) PREVIOUS 2L PLUME HORIZONTAL EXTENT (08/26/2020): .............. ~6,960 ft2 (estimated) CURRENT 2L PLUME VERTICAL EXTENT (02/17/2022): ....................... ~60 feet (estimated) PREVIOUS 2L PLUME VERTICAL EXTENT (08/26/2020): ...................... ~60 feet (estimated) The estimated groundwater mass contamination was calculated using the equation provided in the “Quantitative Environmental Indicators of Contamination” paper published by the EPA in November 2011. The estimated groundwater mass calculation spreadsheet is included in Appendix C. It is estimated based on average contaminant concentrations in monitoring wells that the groundwater contaminant mass increased from 0.431 kg to 0.735 kg between March 2021 and February 2022 groundwater monitoring events. Graph 3 shows estimated groundwater contaminant mass vs. time. The increase in dissolved petroleum concentrations is due to the high contaminant concentrations detected in monitoring/recovery well RW-6 in February 2022. The average groundwater contaminant concentration in the sampled monitoring wells increased from 333. 1 µg/l to 568.43 µg/l between March 2021 and February 2022. The increase in dissolved petroleum concentrations is most likely due to the back diffusion of contaminants from the contaminated area located beneath the store. The February 2022 analytical results show that high concentrations of dissolved petroleum hydrocarbons above the 2L Groundwater Standards are still present in the groundwater at the Taylor’s Grocery site. Since the site is a high-risk site and it is in a watershed critical area, active groundwater and soil remediation is required. 4.2.4 Groundwater Remediation The Taylor’s Grocery remediation system employing soil vapor extraction (SVE), air sparging (AS), and groundwater recovery methods began operation on April 17, 2016. The remediation system layout is shown on Figure 10 and the process and instrumentation diagram of the system is shown on Figure 11. The Taylor’s Grocery site is located in the Lake Mackintosh watershed critical area and no discharge to surface water from any type of treatment facility is allowed. In February 2017, Gene Mao, the site incident manager with the NCDEQ-UST Section, requested the shutdown of the groundwater recovery segment of the remediation system at the end of the 1st quarter of 2017. The groundwater recovery segment was shut down on March 16, 2017. As shown in Table 6, the system recovered 100,965 gallons of contaminated groundwater between April 2016 and March 2017. Groundwater Monitoring Report – T.A.C., Inc. - Taylor’s Grocery 10 Pyramid Project No.: 2021-233 09/11/2022 In June 2017, the NCDEQ Trust Fund requested the shutdown of SVE and AS segments of the remediation system. The segments were shut down on June 30, 2017. SVE and AS operation parameters are shown in Table 7. The hydrocarbon mass removal by soil vapor extraction (SVE) is calculated in Appendix D. A calculated total of approximately 1,589 equivalent pounds of total hydrocarbon vapors were removed during the SVE remediation system operation. It is estimated that the groundwater contaminant mass was decreased by approximately 42% while all system segments were operational. Based on this information, the remediation system was effective in drawing down the water table and removing the petroleum hydrocarbons from the soil and groundwater as designed. The purchase and installation of the remediation system was $ 322,000.00. For this system to have been purchased and installed and only operated 17 months is a poor return on investment for the Trust Fund. The best ROI is for the system to be activated and used for at least 6 months. Cycling of remediation systems at other UST sites has been an effective method to complete site remediation and this one should be no different. 5.0 CONCLUSIONS & RECOMMENDATIONS 5.1 Conclusions • The Taylor’s Grocery remediation system employing soil vapor extraction (SVE), air sparging (AS), and groundwater recovery methods began operation on April 17, 2016. • The Taylor’s Grocery site is located in the Lake Mackintosh watershed critical area, and no discharge to surface water from any type of treatment facility is allowed. • The CAP activities for the Taylor’s Grocery site were completed and approved by the NCDEQ in May 2013. The CAP schedule stated the approved soil and groundwater system would operate for 5 to 6 years, followed by 2-3 years of monitoring. • In February 2017, Gene Mao, the site incident manager with the NCDEQ-UST Section, requested the shutdown of the groundwater recovery segment of the remediation system at the end of the 1st quarter of 2017. Mr. Mao indicated that the main reason for his request was the cost of the removal and disposal of the petroleum-contaminated groundwater recovered at the site. The groundwater recovery segment was shut down on March 16, 2017. The system recovered 100,965 gallons of contaminated groundwater between April 2016 and March 2017 (less than one year). • In June 2017, the NCDEQ Trust Fund requested the shutdown of SVE and AS segments of the remediation system. The segments were shut down on June 30, 2017. A calculated total of approximately 1,589 equivalent pounds of total hydrocarbon vapors were removed during Groundwater Monitoring Report – T.A.C., Inc. - Taylor’s Grocery 11 Pyramid Project No.: 2021-233 09/11/2022 the SVE system operation. It is estimated that the groundwater contaminant mass was reduced for approximately 42% while all system segments were operational. • Based on the data, the remediation system as designed and operated was effective in removing the petroleum hydrocarbon mass from the soil and groundwater. • The most recent groundwater monitoring event was completed on February 17, 2022. Pyramid collected groundwater samples from the pre-approved MWs. NCDEQ preapproved sampling of seven monitoring/recovery wells (MW-1, MW-2, MW-3, MW-9, RW-1, RW-5, and RW-6) and water supply wells SW-1 and SW-2. • The February 2022 analytical results for on-site water supply well SW-1 and the closest downgradient water supply well SW-2, detected several petroleum-related compounds at very low concentrations significantly lower than the 2L Groundwater Standard levels. The water supply wells have shown low petroleum-related contaminant concentrations below the 2L Groundwater Standard levels in the past. • The analytical results for the February 2022 groundwater monitoring event indicate that concentrations of petroleum contaminants have increased since the previous monitoring event completed in March 2021. The largest increase in dissolved petroleum concentrations is detected in RW-6 and it is most likely due to the back diffusion of contaminants from the contaminated area located beneath the store. The average groundwater contaminant concentration in the sampled monitoring wells increased from 333.10 µg/l µg/l to 568.43 µg/l between March 2021 and February 2022. • The February 2022 analytical results show that high concentrations of dissolved petroleum hydrocarbons above the 2L Groundwater Standards are still present in the groundwater at the Taylor’s Grocery site. Since the site is a high-risk site and it is in a watershed critical area, active groundwater and soil remediation is required. 5.2 Recommendations Pyramid recommends: • Reactivation of all segments of the remediation system for at least six (6) months. The concentration declines provided by the remediation system are well documented and reactivation of the remediation system is required for groundwater cleanup to below the 2L Groundwater Standards. • The next groundwater monitoring event should include all monitoring/recovery wells and three closest water supply wells and should be conducted in November 2022. The limited number of wells that the NCDEQ pre-approved for the last three monitoring events does not show the entire picture at the Taylor’s Grocery site. Groundwater Monitoring Report – T.A.C., Inc. - Taylor’s Grocery 13 Pyramid Project No.: 2021-233 09/11/2022 7.0 CLOSURE This report is prepared for and made available solely for the use of T.A.C, Inc. and the NCDEQ, and the contents thereof may not be used or relied upon by any other person without the express written consent and authorization of Pyramid Environmental & Engineering, P.C. The NCDEQ accepted the previous environmental investigations; therefore, these reports are counted as reliable in providing historical data for the evaluations in the current report. The subsurface is inherently heterogeneous and subsurface heterogeneities not identified in this limited study may influence contaminants in unpredicted ways. Subsurface conditions such as groundwater flow, groundwater elevations, and water quality will vary over time. The opinions and conclusions in this report are in accordance with industry accepted geologic and hydrogeologic practices used at the time and location where the report was prepared. The observations, conclusions, and recommendations documented in this report are based on site conditions and information reviewed at the time of Pyramid's investigation. Pyramid Environmental & Engineering, P.C. appreciates the opportunity to provide this environmental service. FIGURES PYRAMID ENVIRONMENTAL & ENGINEERING, P.C. PYRAMID ENVIRONMENTAL & ENGINEERING, P.C. PYRAMID ENVIRONMENTAL & ENGINEERING, P.C. 10 11 TABLES Map ID Parcel IDOwner/Occupant NameOwner Address Property Address (Whitsett, NC 27377)Supply Well No.Distance from sourceNotes1 02-05-0307-0-0109-S -001 Shirley M. Taylor1813 Rock Creek Dairy RoadWhitsett, NC 273771610 NC Highway 61 South 160 feetWell has been there for over 20 years2 02-05-0307-0-0108-00-038Barbara Hamby S L/TP.O. Box 316Whitsett NC 273771612 NC Highway 61 South2200 feetInstalled in 1986 to 145 feet, cased to 60 feet, 75 GPM3 02-05-0307-0-0108-00-015Thomas & Jeanette Simpson1628 NC 61 SouthWhitsett, NC 273771628 NC Highway 61 Southvacant land only within 1,000 feet4 02-05-0307-0-0109-S -003 Carla G. Duszlak1211 May CourtBurlington, NC 272151606 NC Highway 61 South3150 feet5 02-05-0307-0-0109-S -021 Calvin Isley1582 NC Hwy 61 SouthWhitsett, NC 273771582 NC Highway 61 South6 02-05-0307-0-0109-S -005 Bruce & Betty Clapp1585 NC 61 S.Whitsett, NC 273771581 NC Highway 61 South7 02-05-0307-0-0109-S -010 Bruce & Betty Clapp1585 NC 61 S.Whitsett, NC 273771585 NC Highway 61 South7780 feet Well installed in 19518 02-05-0307-0-0109-S -006 Bruce & Betty Clapp1585 NC 61 S.Whitsett, NC 273772212-2214 Herron Road9 02-05-0307-0-0109-S -013 Bruce Clapp1585 NC 61 S.Whitsett, NC 273772208-2210 Herron RoadWell installed in 2002 to 143 feet with 43 foot casing.10 02-05-0307-0-0109-S -011William & Ruth Chrismon1601 NC Hwy 61 SWhitsett, NC 273771601 NC Highway 61 South5600 feetTable 2Whitsett, North Carolina Surrounding Properties & Supply Well InformationTaylors GroceryPage 1 of 2 Map ID Parcel IDOwner/Occupant NameOwner Address Property Address (Whitsett, NC 27377)Supply Well No.Distance from sourceNotesTable 2Whitsett, North Carolina Surrounding Properties & Supply Well InformationTaylors Grocery11 02-05-0307-0-0109-S -007Clapp Fertilizer & Trucking2225 Herron RoadWhitsett, NC 273772225 Herron Road8850 feet Well installed in 198112 02-05-0307-0-0109-S -017Douglas & Betty Hempstead226 Jewel LaneSanford, NC 273321611 NC Hwy 61 S13 02-05-0307-0-0109-S -002 Terry & Shelley Miller1607 NC Hwy 61 SWhitsett, NC 273771607 NC Highway 61 South4Well cap is inside the house. 50 feet deep installed in 194914 02-05-0307-0-0085-W -002 Bruce & Betty Clapp1585 NC 61 S.Whitsett, NC 273771609-1621 NC Highway 61 South15 02-05-0307-0-0108-00-060Jeffrey & Lynette Friddle6285 Kimesville RoadLiberty, NC 272986904 Reece Lane16 02-05-0307-0-0108-00-043 Annie M. Victor1625 NC Hwy 61 SWhitsett, NC 273771625 NC Highway 61 South6700 feetWell installed in the late 1980s to 200 feet.17 02-05-0307-0-0108-00-042George & Pamela Pocock1627 NC Hwy 61 SWhitsett, NC 273771627 NC Highway 61 South18 02-05-0307-0-0108-00-059George & Pamela Pocock1627 NC Hwy 61 SWhitsett, NC 273776902 Reece Lane19 02-05-0307-0-0109-S -014Harold & Joni Barnhardt1576 NC Hwy 61 SWhitsett, NC 273771576 NC Hwy 61 South>1,500 feetWell is 200 feet deep, cased to 42 feet; installed 11/6/2000Page 2 of 2 TABLE 3 Monitoring/Remediation Well Construction Details Taylor’s Grocery – Incident # 9846 1610 NC Hwy 61 S., Whitsett, Guilford County NC Monitoring Well Inst. Date Well Depth Depth to Bedrock Casing Type Riser Interval Screen Interval Grout Interval Bentonite Interval Sand Interval MW-1 9/3/09 35’ 10’ 2-in. PVC 0-10’ 10-35’ 0-6’ 6-8’ 8-35’ MW-2 9/4/09 27’ 8’ 2-in. PVC 0-7’ 7-27’ 0-5’ 5-6’ 6-27’ MW-3 9/3/09 30’ 10’ 2-in. PVC 0-10’ 10-30’ 0-6’ 6-8’ 8-30’ MW-4 9/4/09 25’ 10’ 2-in. PVC 0-5’ 5-25’ 0-2’ 2-4’ 4-25’ MW-5 9/3/09 35’ 12’ 2-in. PVC 0-10’ 10-35’ 0-6’ 6-8’ 8-35’ MW-6 4/20/10 25’ n/a 2-in. PVC 0-5’ 5-25’ 0-2’ 2-4’ 4-25’ MW-7 4/20/10 25’ 21’ 2-in. PVC 0-5’ 5-25’ 0-3’ 3-4’ 4-25’ MW-8 4/20/10 25’ n/a 2-in. PVC 0-5’ 5-25’ 0-3’ 3-4’ 4-25’ MW-9 4/21/10 25’ 8’ 2-in. PVC 0-5’ 5-25’ 0-3’ 3-4’ 4-25’ MW-10 4/21/10 19’ 15’ 2-in. PVC 0-4’ 4-19’ 0-2 2-3’ 3-19’ MW-11 8/10/10 25’ 21’ 2-in. PVC 0-5’ 5-25’ 0-2’ 2-4’ 4-25’ MW-12 8/10/10 25’ 20’ 2-in. PVC 0-5’ 5-25’ 0-2’ 2-4’ 4-25’ MW-13 8/16/11 25’ 11’ 2-in. PVC 0-5’ 5-25’ 0-2’ 2-4- 4-25’ AS-1 8/16/11 47’ 10.5’ 2-in. PVC 0-42’ 42-47’ 0-36’ 36-40’ 40-47’ RW-1 8/16/11 40’ 13’ 6-in. PVC 0-5’ 5-40’ 0-2’ 2-4’ 4-40’ RW-2 to 6 10/8 & 9/15 35’ 10’-15’ 6-in. PVC 0-5’ 5-35’ 0-2’ 2-4’ 4-35’ VE-1 4/22/10 60’ 12’ Outer 4-in.; Inner 2-in. PVC 0-55’ 55-60’ 0-51’ 51-53’ 53-60’ Air sparge wells AS-2, AS-4, AS-5, AS-7, AS-8, AS-9, AS-10, AS-11, and AS-12 were installed to 45 feet BLS with 5 feet of screen at the bottom. Air sparge well AS-3 was installed to 37 feet BLS and AS-6 was installed to 35 feet BLS. Both wells have 5 feet of screen at the bottom. Well Date TOC Depth Water Number Gauged Elevation To Groundwater Elevation (feet) (feet) (feet) MW-1 09/08/09 100.00 9.90 90.10 04/28/10 100.00 7.33 92.67 12/05/11 100.00 9.75 90.25 02/21/13 100.00 8.90 91.10 10/06/15 100.00 11.48 88.52 06/30/16 100.00 8.31 91.69 10/20/16 100.00 8.58 91.42 02/17/17 100.00 9.11 90.89 07/18/17 100.00 8.25 91.75 01/16/18 100.00 10.80 89.20 08/22/18 100.00 8.75 91.25 03/05/19 100.00 3.90 96.10 09/18/19 Not Gauged 03/12/20 100.00 6.67 93.33 08/26/20 Not Gauged 03/10/21 100.00 4.10 95.90 02/17/22 100.00 8.05 91.95 MW-2 09/08/09 99.13 11.97 87.16 04/28/10 99.13 9.39 89.74 12/05/11 99.13 11.28 87.85 02/21/13 99.13 10.34 88.79 10/06/15 99.13 11.50 87.63 06/30/16 99.13 9.24 89.89 08/22/18 Not Gauged 03/05/19 Not Gauged 09/18/19 99.13 7.55 91.58 03/12/20 99.13 7.50 91.63 08/26/20 Not Gauged 03/10/21 Not Gauged 02/17/22 99.13 10.60 88.53 MW-3 09/08/09 98.39 11.29 87.10 04/28/10 98.39 8.72 89.67 12/05/11 98.39 10.60 87.79 02/21/13 98.39 9.65 88.74 10/06/15 98.39 10.83 87.56 06/30/16 98.39 8.56 89.83 08/22/18 Not Gauged 03/05/19 Not Gauged 09/18/19 Not Gauged 03/12/20 98.39 7.53 90.86 08/26/20 Not Gauged 03/10/21 Not Gauged 02/17/22 98.39 9.91 88.48 1610 NC Hwy 61 South in Whitsett, Guilford County, North Carolina Table 4 Groundwater Elevation Data Taylor's Grocery Incident # 9846 Page 1 of 5 Well Date TOC Depth Water Number Gauged Elevation To Groundwater Elevation (feet) (feet) (feet) 1610 NC Hwy 61 South in Whitsett, Guilford County, North Carolina Table 4 Groundwater Elevation Data Taylor's Grocery Incident # 9846 MW-4 09/08/09 94.83 8.02 86.81 04/28/10 94.83 5.46 89.37 12/05/11 94.83 6.86 87.97 02/21/13 94.83 5.97 88.86 10/06/15 94.83 7.35 87.48 06/30/16 94.83 5.15 89.68 07/18/17 94.83 5.86 88.97 08/22/18 94.83 5.35 89.48 03/05/19 94.83 2.00 92.83 09/18/19 Not Gauged 08/26/20 Not Gauged 03/10/21 Not Gauged 02/17/22 Not Gauged MW-5 09/08/09 102.16 12.69 89.47 04/28/10 102.16 9.30 92.86 12/05/11 102.16 13.02 89.14 02/21/13 102.16 12.09 90.07 10/06/15 102.16 13.36 88.80 06/30/16 102.16 10.35 91.81 10/20/16 102.16 12.11 90.05 07/18/17 102.16 10.73 91.43 01/16/18 102.16 14.53 87.63 08/22/18 102.16 11.35 90.81 03/05/19 102.16 5.35 96.81 09/18/19 Not Gauged 03/12/20 102.16 7.90 94.26 08/26/20 Not Gauged 03/10/21 102.16 6.88 95.28 02/17/22 Not Gauged MW-6 04/28/10 99.70 7.27 92.43 12/05/11 99.70 10.02 89.68 02/21/13 99.70 9.43 90.27 10/06/15 99.70 9.83 89.87 06/30/16 99.70 8.05 91.65 07/18/17 99.70 8.67 91.03 08/22/18 Not Gauged 03/05/19 Not Gauged 09/18/19 Not Gauged 08/26/20 Not Gauged 03/10/21 Not Gauged 02/17/22 Not Gauged Page 2 of 5 Well Date TOC Depth Water Number Gauged Elevation To Groundwater Elevation (feet) (feet) (feet) 1610 NC Hwy 61 South in Whitsett, Guilford County, North Carolina Table 4 Groundwater Elevation Data Taylor's Grocery Incident # 9846 MW-7 04/28/10 102.00 9.24 92.76 12/05/11 102.00 12.98 89.02 02/21/13 102.00 12.08 89.92 10/06/15 102.00 13.39 88.61 06/30/16 102.00 10.35 91.65 08/22/18 Not Gauged 03/05/19 Not Gauged 09/18/19 Not Gauged 08/26/20 Not Gauged 03/10/21 Not Gauged 02/17/22 Not Gauged MW-8 04/28/10 104.25 11.40 92.85 12/05/11 104.25 15.14 89.11 02/21/13 104.25 14.08 90.17 10/06/15 104.25 15.78 88.47 06/30/16 104.25 12.23 92.02 08/22/18 Not Gauged 03/05/19 Not Gauged 09/18/19 Not Gauged 08/26/20 Not Gauged 03/10/21 Not Gauged 02/17/22 Not Gauged MW-9 04/28/10 99.46 9.38 90.08 12/05/11 99.46 11.60 87.86 02/21/13 99.46 10.65 88.81 10/06/15 99.46 11.83 87.63 06/30/16 99.46 9.15 90.31 10/20/16 99.46 9.10 90.36 01/16/18 99.46 13.15 86.31 08/22/18 Not Gauged 03/05/19 99.46 5.08 94.38 09/18/19 Not Gauged 03/10/21 Not Gauged 02/17/22 99.46 10.03 89.43 Page 3 of 5 Well Date TOC Depth Water Number Gauged Elevation To Groundwater Elevation (feet) (feet) (feet) 1610 NC Hwy 61 South in Whitsett, Guilford County, North Carolina Table 4 Groundwater Elevation Data Taylor's Grocery Incident # 9846 MW-10 04/28/10 94.73 5.27 89.46 12/05/11 94.73 7.12 87.61 02/21/13 94.73 6.18 88.55 10/06/15 94.73 7.27 87.46 06/30/16 94.73 5.20 89.53 08/22/18 Not Gauged 03/05/19 Not Gauged 09/18/19 Not Gauged 08/26/20 Not Gauged 03/10/21 Not Gauged 02/17/22 Not Gauged MW-11 08/16/10 100.66 12.28 88.38 12/05/11 100.66 13.28 87.38 02/21/13 100.66 12.37 88.29 10/06/15 100.66 13.90 86.76 06/30/16 100.66 11.06 89.60 08/22/18 Not Gauged 03/05/19 Not Gauged 09/18/19 Not Gauged 08/26/20 Not Gauged 03/10/21 Not Gauged 02/17/22 Not Gauged MW-12 08/16/10 103.33 12.78 90.55 12/05/11 103.33 14.89 88.44 02/21/13 103.33 13.82 89.51 10/06/15 103.33 14.52 88.81 06/30/16 Not Gauged 08/22/18 Not Gauged 03/05/19 Not Gauged 09/18/19 Not Gauged 08/26/20 Not Gauged 03/10/21 Not Gauged 02/17/22 Not Gauged Page 4 of 5 Well Date TOC Depth Water Number Gauged Elevation To Groundwater Elevation (feet) (feet) (feet) 1610 NC Hwy 61 South in Whitsett, Guilford County, North Carolina Table 4 Groundwater Elevation Data Taylor's Grocery Incident # 9846 MW-13 12/05/11 101.54 12.15 89.39 02/21/13 101.54 11.28 90.26 10/06/15 101.54 12.35 89.19 06/30/16 101.54 9.71 91.83 10/20/16 101.54 11.79 89.75 02/17/17 101.54 10.66 90.88 07/18/17 101.54 9.94 91.60 01/16/18 101.54 13.62 87.92 08/22/18 101.54 10.41 91.13 03/05/19 Not Gauged 09/18/19 Not Gauged 08/26/20 Not Gauged 03/10/21 101.54 6.15 95.39 02/17/22 Not Gauged RW-1 12/05/11 101.30 11.93 89.37 02/21/13 101.30 10.97 90.33 10/06/15 101.30 12.10 89.20 Well was connected to the Taylor's Grocery Remediation System in March 2016 AS-1 12/05/11 100.64 12.75 87.89 02/21/13 100.64 11.79 88.85 10/06/15 100.64 12.97 87.67 Well was connected to the Taylor's Grocery Remediation System in March 2016 VE-1 04/28/10 100.15 11.00 89.15 12/05/11 100.15 11.31 88.84 02/21/13 100.15 12.77 87.38 10/06/15 100.15 12.88 87.27 06/30/16 100.15 9.81 90.34 02/17/17 100.15 11.00 89.15 01/16/18 100.15 14.00 86.15 08/22/18 Not Gauged 03/05/19 Not Gauged 09/18/19 100.15 11.60 88.55 08/26/20 100.15 7.76 92.39 03/10/21 Not Gauged 02/17/22 Not Gauged Groundwater recovery wells RW-1 through RW-6 are equipped with vacuum seal well caps and were used as SVE extraction points. Page 5 of 5 NCAC 15A:2L PARAMETER UNITS DATEStandardMW-1 MW-2 MW-3 MW-4 MW-5 MW-6 MW-7 MW-8 MW-9 MW-10 MW-11 MW-12 MW-13 VE-1 AS-1 RW-1 RW-2 RW-3 RW-4 RW-5 RW-6 SW-1 SW-2 SW-3 SW-4 (GCL) Method 6200B/602Benzeneug/l 9/8/2009 1400 450 27<0.52000NI NI NI NI NI NI NI NI NI NI NI NI NI NI NI NI <0.5 <0.5 <0.5 <0.514/28/2010 1600 67<0.5 <0.53700<0.5 <0.5 <0.53500<0.5 NI NI NI <0.5 NI NI NI NI NI NI NI <0.5 <0.5 NS NS(5000)8/16/2010NS NS NS NS NS NS NS NS NS NS <0.5 <0.5 NI NS NI NI NI NI NI NI NI NS NS NS NS12/6/2011 671 24.3ND ND10700 1.1ND ND1170ND ND ND6850ND ND1800NI NI NI NI NI ND ND NS NS2/21/2013 276 119ND ND7840ND ND ND1170ND ND ND4030ND ND448NI NI NI NI NI NS NS NS NS10/6/2015 35 290BRL BRL9200BRL BRL BRL1500BRL BRL BRL3700BRL BRL27NI NI NI NI NI BRL BRL BRL BRL6/30/2016 1900.73 ND ND 0.91 ND ND ND220ND ND NS1200ND NS770 63 210 7.5 7.2 1300ND ND ND NS10/20/2016 33NS NS NS ND NS NS NS40NS NS NS810NS NS1300NS310NS17 740NS ND NS NS2/17/2017 190NS NS NS NS NS NS NS NS NS NS NS710ND NS370 13 2700.21 0.28190NS NS NS NS7/18/2017 110NS NS ND 0.54 ND NS NS NS NS NS NS680NS NS37NS160NS 0.67180NS ND NS NS1/16/2018 5.5NS NS NS ND NS NS NS18NS NS NS470ND NS 0.18 NS530NS4.8 680NS NS NS NS8/22/2018ND NS NS ND2500NS NS NS NS NS NS NS510NS NS2.7NS23 2 20 350NS ND NS NS3/5/2019ND NS NS ND560NS NS NS ND NS NS NS NS NS NS1.8NS6.8NS1.5 150NS NS ND NS9/18/2019NS 0.19 NS NS NS NS NS NS NS NS NS NS NS ND NS1.3 4.7 2.2NS NS34NS ND NS NS3/12/2020ND ND6.2NS ND NS NS NS NS NS NS NS NS NS NS NS NS ND NS NS120NS NS NS NS8/26/2020NS NS NS NS NS NS NS NS NS NS NS NS NS ND NS NS NS NS ND5.5 4.7NS ND NS NS3/10/2021<0.5 NS NS NS <0.5 NS NS NS NS NS NS NS <0.5 NS NS <0.5 NS NS NS NS18.7NS NS NS NS2/17/2022ND ND ND NS NS NS NS NS ND NS NS NS NS NS NS1.72NS NS NS2.26 108ND ND NS NSTolueneug/l 9/8/2009150 940 3.9 <0.5 200 NI NI NI NI NI NI NI NI NI NI NI NI NI NI NI NI <0.5 <0.5 <0.5 <0.56004/28/2010 880110 <0.5 <0.5 65 <0.5 <0.5 <0.58200<0.5 NI NI NI <0.5 NI NI NI NI NI NI NI <0.5 <0.5 NS NS(260,000)8/16/2010NS NS NS NS NS NS NS NS NS NS <0.5 <0.5 NI NS NI NI NI NI NI NI NI NS NS NS NS12/6/2011141 9.3 ND ND16400ND ND ND3400ND ND ND43800ND ND5670NI NI NI NI NI ND ND NS NS2/21/201341.6 44.3 ND ND20800ND ND ND2120ND ND ND35900ND ND 531 NI NI NI NI NI NS NS NS NS10/6/20151 240 BRL BRL31000BRL BRL BRL2000BRL BRL BRL58000BRL BRL 83 NI NI NI NI NI BRL BRL BRL BRL6/30/201611 0.63 ND ND ND ND ND ND 360 ND ND NS20000ND NS480045 120 21 148700ND ND ND NS10/20/20162 NSNSNSNDNSNSNS86NSNSNS26000NS NS6900NS 130 NS 7.76900NS ND NS NS2/17/201738 NS NS NS NS NS NS NS NS NS NS NS20000ND NS11004.8 93 0.9 0.631200NS NS NS NS7/18/201713 NS NS ND 0.83 ND NS NS NS NS NS NS18000NS NS 220 NS 63 NS 1.31400NS ND NS NS1/16/20180.31 NS NS NS ND NS NS NS 2.1 NS NS NS18000ND NS 0.44 NS 250 NS 0.956700NS NS NS NS8/22/2018ND NS NS ND8500NS NS NS NS NS NS NS12000NS NS 17 NS 11 0.56 1.34800NS ND NS NS3/5/2019ND NS NS ND150NS NS NS ND NS NS NS NS NS NS 8.4 NS 8.8 NS 0.392000NS NS ND NS9/18/2019NS ND NS NS NS NS NS NS NS NS NS NS NS ND NS 1.9 3.8 0.75 NS NS 260 NS ND NS NS3/12/2020ND ND 0.53 NS ND NS NS NS NS NS NS NS NS NS NS NS NS ND NS NS1100NS NS NS NS8/26/2020NS NS NS NS NS NS NS NS NS NS NS NS NS ND NS NS NS NS ND ND 66 NS ND NS NS3/10/2021<0.5 NS NS NS <0.5 NS NS NS NS NS NS NS <0.5 NS NS <0.5 NS NS NS NS 168 NS NS NS NS2/17/2022ND ND ND NS NS NS NS NS ND NS NS NS NS NS NS 9.88 NS NS NS ND1250ND ND NS NSEthylbenzeneug/l 9/8/2009260 400 5.5 <0.5 80 NI NI NI NI NI NI NI NI NI NI NI NI NI NI NI NI <0.5 <0.5 <0.5 <0.56004/28/2010350 11 <0.5 <0.5 22 <0.5 <0.5 <0.51700<0.5 NI NI NI <0.5 NI NI NI NI NI NI NI <0.5 <0.5 NS NS(84,500)8/16/2010NS NS NS NS NS NS NS NS NS NS <0.5 <0.5 NI NS NI NI NI NI NI NI NI NS NS NS NS12/6/2011458 40.8 ND ND2090ND ND ND1430ND ND ND3110ND ND1470NI NI NI NI NI ND ND NS NS2/21/2013183 32.9 ND ND2480ND ND ND1010ND ND ND2670ND ND 294 NI NI NI NI NI NS NS NS NS10/6/201514 210 BRL BRL4300BRL BRL BRL 280 BRL BRL BRL4400BRL BRL 91 NI NI NI NI NI BRL BRL BRL BRL6/30/2016210 0.88 ND ND ND ND ND ND 190 ND ND NS2200ND NS6403.4 160 7 4 500 ND ND ND NS10/20/201625 NS NS NS ND NS NS NS 37 NS NS NS3700NS NS1200NS 160 NS 6.6670NS ND NS NS2/17/2017340 NS NS NS NS NS NS NS NS NS NS NS2400ND NS 80 3.2 53 0.81 0.29 52 NS NS NS NS7/18/2017130 NS NS ND 0.17 ND NS NS NS NS NS NS2100NS NS 280 NS 130 NS 0.98 77 NS ND NS NS1/16/20186.8 NS NS NS ND NS NS NS 7.8 NS NS NS3400ND NS 0.53 NS 130 NS 2.1 280 NS NS NS NS8/22/2018ND NS NS ND2100NS NS NS NS NS NS NS1300NS NS 46 NS 14 0.23 5.7780NS ND NS NS3/5/2019ND NS NS ND 220 NS NS NS ND NS NS NS NS NS NS 42 NS 15 NS 0.94 320 NS NS ND NS9/18/2019NS ND NS NS NS NS NS NS NS NS NS NS NS ND NS 5.2 7.6 4.5 NS NS 89 NS ND NS NS3/12/2020ND ND 5.8 NS ND NS NS NS NS NS NS NS NS NS NS NS NS 0.36 NS NS 300 NS NS NS NS8/26/2020NS NS NS NS NS NS NS NS NS NS NS NS NS ND NS NS NS NS ND0.1431 NS ND NS NS3/10/2021<0.5 NS NS NS <0.5 NS NS NS NS NS NS NS <0.5 NS NS 2.8 NS NS NS NS 63.3 NS NS NS NS2/17/20220.799ND ND NS NS NS NS NS 1.39 NS NS NS NS NS NS 98.8 NS NS NS 2 164 ND0.327NS NSMONITORING / SUPPLY WELLSTable 5Groundwater Analytical ResultsTaylor's Grocery - Incident # 98461610 NC Hwy 61 South, Whitsett, Guilford County, North CarolinaPage 1 of 8 NCAC 15A:2L PARAMETER UNITS DATEStandardMW-1 MW-2 MW-3 MW-4 MW-5 MW-6 MW-7 MW-8 MW-9 MW-10 MW-11 MW-12 MW-13 VE-1 AS-1 RW-1 RW-2 RW-3 RW-4 RW-5 RW-6 SW-1 SW-2 SW-3 SW-4 (GCL) Method 6200B/602MONITORING / SUPPLY WELLSTable 5Groundwater Analytical ResultsTaylor's Grocery - Incident # 98461610 NC Hwy 61 South, Whitsett, Guilford County, North CarolinaTotal Xylenesug/l 9/8/2009 756 251063 <1.5 171 NI NI NI NI NI NI NI NI NI NI NI NI NI NI NI NI <1.5 <1.5 <1.5 <1.55004/28/2010 1310280 <1.5 <1.5710<1.5 <1.5 <1.59200<1.5 NI NI NI <1.5 NI NI NI NI NI NI NI <1.5 <1.5 NS NS(85,500)8/16/2010NS NS NS NS NS NS NS NS NS NS <1.5 <1.5 NI NS NI NI NI NI NI NI NI NS NS NS NS12/6/2011 909108 ND ND7530ND ND ND11510ND ND ND15990ND ND4150NI NI NI NI NI ND ND NS NS2/21/2013357.3 377.8 ND ND10490ND ND ND8320ND ND ND14950ND 2.5974NI NI NI NI NI NS NS NS NS10/6/20156.3900BRL BRL17000BRL BRL BRL3200BRL BRL BRL23000BRL 2 91 NI NI NI NI NI BRL BRL BRL BRL6/30/201643.7 6.7 ND ND ND ND ND ND3600ND ND NS12200ND NS2930741360 5701814500ND ND ND NS10/20/20165.07 NS NS NS ND NS NS NS1090NS NS NS21700NS NS4300NS2420NS 1754900NS ND NS NS2/17/2017248 NS NS NS NS NS NS NS NS NS NS NS14100ND NS8709.6149022 4.21140NS NS NS NS7/18/201735 NS NS ND ND ND NS NS NS NS NS NS21600NS NS900NS2060NS 10.81180NS ND NS NS1/16/20180.57 NS NS NS ND NS NS NS 109 NS NS NS28700ND NS 6.6 NS3420NS 9.95500NS NS NS NS8/22/2018ND NS NS ND8100NS NS NS NS NS NS NS7500NS NS 230 NS 460 8.7 24.85400NS ND NS NS3/5/2019ND NS NS ND920NS NS NS ND NS NS NS NS NS NS 340 NS500NS 9.52680NS NS ND NS9/18/2019NS ND NS NS NS NS NS NS NS NS NS NS NS ND NS 116 46 127 NS NS2420NS ND NS NS3/12/2020ND ND 20.8 NS ND NS NS NS NS NS NS NS NS NS NS NS NS 29.7 NS NS2970NS NS NS NS8/26/2020NS NS NS NS NS NS NS NS NS NS NS NS NS ND NS NS NS NS1.290.94870NS ND NS NS3/10/2021<1.5 NS NS NS <1.5 NS NS NS NS NS NS NS <1.5 NS NS 1.6 NS NS NS NS 452 NS NS NS NS2/17/20220.889ND ND NS NS NS NS NS 25.5 NS NS NS NS NS NS 77.6 NS NS NS 2.831500ND0.672NS NSTotal BTEXug/l 9/8/20092566 4300 99.4 BDL 2451 NI NI NI NI NI NI NI NI NI NI NI NI NI NI NI NI BDL BDL BDL BDLNo Standard4/28/20104140 468 BDL BDL 4497 BDL BDL BDL 22600 BDL NI NI NI BDL NI NI NI NI NI NI NI BDL BDL NS NS8/16/2010NS NS NS NS NS NS NS NS NS NS BDL BDL NI NS NI NI NI NI NI NI NI NS NS NS NS12/6/20112179 182.4 ND ND 36720 1.1 ND ND 17510 ND ND ND 69750 ND ND 13090 NI NI NI NI NI ND ND NS NS2/21/2013857.9 574 ND ND 41610 ND ND ND 12620 ND ND ND 57550 ND 2.5 2247 NI NI NI NI NI NS NS NS NS10/6/201556.3 1640 BRL BRL 61500 BRL BRL BRL 6980 BRL BRL BRL 89100 BRL 2 292 NI NI NI NI NI BRL BRL BRL BRL6/30/2016454.7 8.94 ND ND 0.91 ND ND ND 4370 ND ND NS 35600 ND NS 9140 185.4 1850 605.5 206.2 15000 ND ND ND NS10/20/201665.07 NS NS NS ND NS NS NS 1253 NS NS NS 52210 NS NS 13700 NS 3020 NS 206.3 13210 NS ND NS NS2/17/2017816 NS NS NS NS NS NS NS NS NS NS NS 37210 ND NS 2420 30.6 1906 23.92 5.4 2582 NS NS NS NS7/18/2017288 NS NS ND 1.54 ND NS NS NS NS NS NS 42380 NS NS 1437 NS 2413 NS 13.75 2837 NS ND NS NS1/16/201813.18 NS NS NS ND NS NS NS 136.9 NS NS NS 50570 ND NS 7.75 NS 4330 NS 17.75 13160 NS NS NS NS8/22/2018ND NS NS ND 21200 NS NS NS NS NS NS NS 21310 NS NS 295.7 NS 508 11.49 51.8 11330 NS ND NS NS3/5/2019ND NS NS ND 1850 NS NS NS ND NS NS NS NS NS NS 392.2 NS 530.6 NS 12.33 5150 NS NS ND NS9/18/2019NS 0.19 NS NS NS NS NS NS NS NS NS NS NS ND NS 124.4 62.1 134.45 NS NS 2803 NS ND NS NS3/12/2020ND ND 33.33 NS ND NS NS NS NS NS NS NS NS NS NS NS NS 30.06 NS NS 4490 NS NS NS NS8/26/2020NS NS NS NS NS NS NS NS NS NS NS NS NS ND NS NS NS NS1.296.58 971.7 NS ND NS NS3/10/2021<1.5 NS NS NS <1.5 NS NS NS NS NS NS NS <1.5 NS NS 4.4 NS NS NS NS 702 NS NS NS NS2/17/20221.688 ND ND NS NS NS NS NS 26.89 NS NS NS NS NS NS 188 NS NS NS 7.09 3022 ND 0.999 NS NSMTBEug/l 9/8/2009160 13 5.4 <0.5310NI NI NI NI NI NI NI NI NI NI NI NI NI NI NI NI253.5 BDL BDL204/28/2010 11015 3.2 <1670<1 <1 <1574.9 NI NI NI23NI NI NI NI NI NI NI 13 4.7 NS NS(20,000)8/16/2010NS NS NS NS NS NS NS NS NS NS <0.5 3.1 NI NS NI NI NI NI NI NI NI NS NS NS NS12/6/20119.9 ND 3 ND1310ND ND ND ND ND 2.6 ND530ND59.7 777NI NI NI NI NI22.11.2 NS NS2/21/2013ND 3.2 2.1 ND765ND ND ND24.4ND 6.4 ND186ND129 63.7NI NI NI NI NI NS NS NS NS10/6/2015BRL 3.9 BRL BRL570BRL BRL BRL BRL BRL 3.6 BRL BRL BRL253.9 NI NI NI NI NI 13 0.54 BRL BRL6/30/2016ND 2.1 1.1 ND 5.1 ND 0.48 ND ND ND 4.5 NS ND 0.31 NS400 30ND 8.2 5.6 ND 4.9 1.1 ND NS10/20/2016ND NS NS NS 6.8 NS NS NS ND NS NS NS ND NS NS320NS ND NS 1.3 6.5 NS 0.57 NS NS2/17/2017ND NS NS NS NS NS NS NS NS NS NS NS ND 0.37 NS2101.5 ND 2.5 0.83 ND NS NS NS NS7/18/2017ND NS NS ND 4.6 ND NS NS NS NS NS NS ND NS NS ND NS ND NS 0.37 ND NS ND NS NS1/16/2018ND NS NS NS ND NS NS NS ND NS NS NS ND ND NS 3.7 NS ND NS 1.4 ND NS NS NS NS8/22/2018ND NS NS ND86NS NS NS NS NS NS NS ND NS NS ND NS ND 1.6 1.6 ND NS 0.28 NS NS3/5/2019ND NS NS ND32NS NS NS ND NS NS NS NS NS NS ND NS ND NS 0.28 0.21 NS NS ND NS9/18/2019NS ND NS NS NS NS NS NS NS NS NS NS NS ND NS ND 0.64 ND NS NS ND NS 0.47 NS NS3/12/2020ND ND 0.77 NS ND NS NS NS NS NS NS NS NS NS NS NS NS ND NS NS ND NS NS NS NS8/26/2020NS NS NS NS NS NS NS NS NS NS NS NS NS ND NS NS NS NS ND 0.31 ND NS ND NS NS3/10/2021<0.5 NS NS NS <0.5 NS NS NS NS NS NS NS <0.5 NS NS <0.5 NS NS NS NS 0.91 NS NS NS NS2/17/2022ND ND ND NS NS NS NS NS ND NS NS NS NS NS NS ND NS NS NS0.444ND 2.48 ND NS NSPage 2 of 8 NCAC 15A:2L PARAMETER UNITS DATEStandardMW-1 MW-2 MW-3 MW-4 MW-5 MW-6 MW-7 MW-8 MW-9 MW-10 MW-11 MW-12 MW-13 VE-1 AS-1 RW-1 RW-2 RW-3 RW-4 RW-5 RW-6 SW-1 SW-2 SW-3 SW-4 (GCL) Method 6200B/602MONITORING / SUPPLY WELLSTable 5Groundwater Analytical ResultsTaylor's Grocery - Incident # 98461610 NC Hwy 61 South, Whitsett, Guilford County, North CarolinaIsopropyl Etherug/l 9/8/200930 <5 <0.5 <0.5 26 NI NI NI NI NI NI NI NI NI NI NI NI NI NI NI NI 1.7 <0.5 <0.5 <0.5704/28/201023 1.5 <0.5 <0.5 51 <0.5 <0.5 <0.5 <20 <0.5 NI NI NI 1.5 NI NI NI NI NI NI NI 0.83 <0.5 NS NS(70,000)8/16/2010NS NS NS NS NS NS NS NS NS NS <0.5 2.1 NI NS NI NI NI NI NI NI NI NS NS NS NS12/6/20115.2 ND ND ND85.2ND ND ND ND ND ND ND ND ND ND 57.2 NI NI NI NI NI 1.3 ND NS NS2/21/2013ND 0.89 ND ND 66.7 ND ND ND ND ND ND ND ND ND 9 7.2 NI NI NI NI NI NS NS NS NS10/6/2015BRL 1.5 BRL BRL BRL BRL BRL BRL BRL BRL BRL BRL BRL BRL 1.4 BRL NI NI NI NI NI 0.71 BRL BRL BRL6/30/2016ND ND ND ND ND ND ND ND ND ND ND NS ND ND NS 23 1.9 ND ND ND ND ND ND ND NS10/20/2016ND NS NS NS ND NS NS NS ND NS NS NS ND NS NS ND NS ND NS ND ND NS ND NS NS2/17/2017ND NS NS NS NS NS NS NS NS NS NS NS ND ND NS 13 ND 1.4 ND ND ND NS NS NS NS7/18/2017ND NS NS ND 0.25 ND NS NS NS NS NS NS ND NS NS ND NS ND NS ND ND NS ND NS NS1/16/2018ND NS NS NS ND NS NS NS ND NS NS NS ND ND NS ND NS ND NS ND ND NS NS NS NS8/22/2018ND NS NS ND ND NS NS NS NS NS NS NS ND NS NS ND NS ND ND ND ND NS ND NS NS3/5/2019ND NS NS ND 3.6 NS NS NS ND NS NS NS NS NS NS ND NS ND NS ND ND NS NS ND NS9/18/2019NS ND NS NS NS NS NS NS NS NS NS NS NS ND NS ND ND ND NS NS ND NS ND NS NS3/12/2020ND ND ND NS ND NS NS NS NS NS NS NS NS NS NS NS NS ND NS NS ND NS NS NS NS8/26/2020NS NS NS NS NS NS NS NS NS NS NS NS NS ND NS NS NS NS ND ND ND NS ND NS NS3/10/2021<0.5 NS NS NS <0.5 NS NS NS NS NS NS NS <0.5 NS NS <0.5 NS NS NS NS <0.5 NS NS NS NS2/17/2022ND ND ND NS NS NS NS NS ND NS NS NS NS NS NS ND NS NS NS ND ND ND ND NS NSNaphthaleneug/l 9/8/2009 150 1209.5 1.7J34NI NI NI NI NI NI NI NI NI NI NI NI NI NI NI NI <1 <1 <1 <164/28/2010 980.97J <1 <138<1 <1 <1560<1 NI NI NI <1 NI NI NI NI NI NI NI <1 <1 NS NS(6,000)8/16/2010NS NS NS NS NS NS NS NS NS NS <2 <2 NI NS NI NI NI NI NI NI NI NS NS NS NS12/6/2011 275 21.4ND ND629ND ND ND744ND ND ND ND ND ND336NI NI NI NI NI ND ND NS NS2/21/2013 82.5 25.1ND ND644ND ND ND337ND ND ND952ND ND91.1NI NI NI NI NI NS NS NS NS10/6/2015 24 110BRL BRL660BRL BRL BRL140BRL BRL BRL810BRL 128NI NI NI NI NI BRL BRL BRL BRL6/30/2016 180 8ND ND ND ND ND ND140ND ND NS610ND NS1205.2180 9.6 24ND ND ND ND NS10/20/2016 26NS NS NS ND NS NS NS59NS NS NS750NS NS360NS130NS27 170NS ND NS NS2/17/2017 150NS NS NS NS NS NS NS NS NS NS NS520ND NS46ND951.5 0.5359NS NS NS NS7/18/2017 120NS NS ND ND ND NS NS NS NS NS NS500NS NS110NS130NS 1.2160NS ND NS NS1/16/2018 9.9NS NS NS ND NS NS NS8.4NS NS NS850ND NS 2.9 NS18NS 5.3240NS NS NS NS8/22/2018ND NS NS ND440NS NS NS NS NS NS NS300NS NS51NS884.58.9 350NS ND NS NS3/5/2019ND NS NS ND120NS NS NS ND NS NS NS NS NS NS50NS43NS 1.8140NS NS ND NS9/18/2019NS ND NS NS NS NS NS NS NS NS NS NS NS ND NS525.435NS NS190NS ND NS NS3/12/2020ND ND12NS ND NS NS NS NS NS NS NS NS NS NS NS NS8NS NS210NS NS NS NS8/26/2020NS NS NS NS NS NS NS NS NS NS NS NS NS ND NS NS NS NS0.384.871NS ND NS NS3/10/2021<2 NS NS NS <2 NS NS NS NS NS NS NS <2 NS NS6.8NS NS NS NS31.9NS NS NS NS2/17/20220.863ND ND NS NS NS NS NS 2.6 NS NS NS NS NS NS52.1NS NS NS 2.396.8ND0.989NS NS1,2,4-Trimethylbenzeneug/l 9/8/2009 360 57053 <0.5 62 NI NI NI NI NI NI NI NI NI NI NI NI NI NI NI NI <0.5 <0.5 <0.5 <0.54004/28/2010280 49 <0.5 <0.5 130 <0.5 <0.5 <0.52100<0.5 NI NI NI <0.5 NI NI NI NI NI NI NI <0.5 <0.5 NS NS(28,500)8/16/2010NS NS NS NS NS NS NS NS NS NS <0.5 <0.5 NI NS NI NI NI NI NI NI NI NS NS NS NS12/6/2011 45390.4 ND ND1060ND ND ND2900ND ND ND1710ND ND833NI NI NI NI NI ND ND NS NS2/21/2013129 121 ND ND1040ND ND ND1480ND ND ND1550ND 1.4 202 NI NI NI NI NI NS NS NS NS10/6/2015144500.56 BRL1900BRL BRL BRL1400BRL BRL BRL2400BRL 0.68 81 NI NI NI NI NI BRL BRL BRL BRL6/30/201625 13 ND ND ND ND ND ND1200ND ND NS2000ND NS4408.6540150 82610ND ND ND NS10/20/20164 NSNSNSNDNSNSNS440NS NS NS4000NS NS520NS860NS 120520NS ND NS NS2/17/2017120 NS NS NS NS NS NS NS NS NS NS NS2200ND NS 130 1.54009.0 2.4 230 NS NS NS NS7/18/201721 NS NS ND ND ND NS NS NS NS NS NS2600NS NS 320 NS670NS 8.4 240 NS ND NS NS1/16/20182.6 NS NS NS ND NS NS NS 74 NS NS NS4000ND NS 2.9 NS580NS 9.4660NS NS NS NS8/22/2018ND NS NS ND890NS NS NS NS NS NS NS1400NS NS 120 NS 290 5.4 13880NS ND NS NS3/5/2019ND NS NS ND 140 NS NS NS ND NS NS NS NS NS NS 150 NS 180 NS 6 370 NS NS ND NS9/18/2019NS ND NS NS NS NS NS NS NS NS NS NS NS ND NS 120 5.4 180 NS NS640NS ND NS NS3/12/2020ND ND 19 NS ND NS NS NS NS NS NS NS NS NS NS NS NS 45 NS NS600NS NS NS NS8/26/2020NS NS NS NS NS NS NS NS NS NS NS NS NS ND NS NS NS NS 3.2 0.49 290 NS ND NS NS3/10/2021<0.5 NS NS NS <0.5 NS NS NS NS NS NS NS <0.5 NS NS 3.6 NS NS NS NS 124 NS NS NS NS2/17/2022ND ND ND NS NS NS NS NS 38.9 NS NS NS NS NS NS 66.6 NS NS NS 5.66 309 ND 0.592 NS NSPage 3 of 8 NCAC 15A:2L PARAMETER UNITS DATEStandardMW-1 MW-2 MW-3 MW-4 MW-5 MW-6 MW-7 MW-8 MW-9 MW-10 MW-11 MW-12 MW-13 VE-1 AS-1 RW-1 RW-2 RW-3 RW-4 RW-5 RW-6 SW-1 SW-2 SW-3 SW-4 (GCL) Method 6200B/602MONITORING / SUPPLY WELLSTable 5Groundwater Analytical ResultsTaylor's Grocery - Incident # 98461610 NC Hwy 61 South, Whitsett, Guilford County, North Carolina1,3,5-Trimethylbenzeneug/l 9/8/2009100 160 9.9 <0.5 22 NI NI NI NI NI NI NI NI NI NI NI NI NI NI NI NI <0.5 <0.5 <0.5 <0.54004/28/201087 33 <0.5 <0.5 55 <0.5 <0.5 <0.5600<0.5 NI NI NI <0.5 NI NI NI NI NI NI NI <0.5 <0.5 NS NS(25,000)8/16/2010NS NS NS NS NS NS NS NS NS NS <0.5 <0.5 NI NS NI NI NI NI NI NI NI NS NS NS NS12/6/2011110 12.1 ND ND 300 ND ND ND851ND ND ND410ND ND 244 NI NI NI NI NI ND ND NS NS2/21/201342.4 37.4 ND ND 311 ND ND ND498ND ND ND475ND ND 67.1 NI NI NI NI NI NS NS NS NS10/6/20156 110 BRL BRL550BRL BRL BRL400BRL BRL BRL640BRL BRL 3.8 NI NI NI NI NI BRL BRL BRL BRL6/30/201616 1.7 ND ND ND ND ND ND660ND ND NS510ND NS 110 3.3 130 51 38 160 ND ND ND NS10/20/20161.9 NS NS NS ND NS NS NS 110 NS NS NS1100NS NS 130 NS 220 NS 5.2 120 NS ND NS NS2/17/201750 NS NS NS NS NS NS NS NS NS NS NS610ND NS 37 0.7 120 3.8 1.2 72 NS NS NS NS7/18/201712 NS NS ND ND ND NS NS NS NS NS NS950NS NS 88 NS 170 NS 3.4 98 NS ND NS NS1/16/20180.61 NS NS NS ND NS NS NS 13 NS NS NS1200ND NS 1.1 NS 140 NS 0.88 200 NS NS NS NS8/22/2018ND NS NS ND290NS NS NS NS NS NS NS 340 NS NS 24 NS 75 1.9 1.4 210 NS ND NS NS3/5/2019ND NS NS ND 63 NS NS NS ND NS NS NS NS NS NS 34 NS 100 NS 1.7 140 NS NS ND NS9/18/2019NS ND NS NS NS NS NS NS NS NS NS NS NS ND NS 4.6 1.1 48 NS NS 200 NS ND NS NS3/12/2020ND ND 3.8 NS ND NS NS NS NS NS NS NS NS NS NS NS NS 24 NS NS 180 NS NS NS NS8/26/2020NS NS NS NS NS NS NS NS NS NS NS NS NS ND NS NS NS NS 0.83 ND 87 NS ND NS NS3/10/2021<0.5 NS NS NS <0.5 NS NS NS NS NS NS NS <0.5 NS NS <0.5 NS NS NS NS <0.5 NS NS NS NS2/17/2022ND ND ND NS NS NS NS NS 9.38 NS NS NS NS NS NS 5.22 NS NS NS 0.962 84.6 ND ND NS NSn-propylbenzeneug/l 9/8/200936 52 2.5 <0.5 8.2 NI NI NI NI NI NI NI NI NI NI NI NI NI NI NI NI <0.5 <0.5 <0.5 <0.5704/28/201034 2.7 <0.5 <0.5 8 <0.5 <0.5 <0.5250<0.5 NI NI NI <0.5 NI NI NI NI NI NI NI <0.5 <0.5 NS NS(30,000)8/16/2010NS NS NS NS NS NS NS NS NS NS <0.5 <0.5 NI NS NI NI NI NI NI NI NI NS NS NS NS12/6/201168.2 10 ND ND147ND ND ND282ND ND ND170ND ND90.4NI NI NI NI NI ND ND NS NS2/21/201313.8 5.8 ND ND123ND ND ND146ND ND ND140ND ND 8.2 NI NI NI NI NI NS NS NS NS10/6/20159.2 65 BRL BRL290BRL BRL BRL 53 BRL BRL BRL300BRL BRL 8.6 NI NI NI NI NI BRL BRL BRL BRL6/30/201632 0.77 ND ND ND ND ND ND92ND ND NS180ND NS 40 0.28 31 0.86 0.82 ND ND ND ND NS10/20/20163.4 NS NS NS ND NS NS NS 29 NS NS NS420NS NS78NS 34 NS 3.8 38 NS ND NS NS2/17/201734 NS NS NS NS NS NS NS NS NS NS NS240ND NS 3.6 0.29 8.5 0.24 ND ND NS NS NS NS7/18/201730 NS NS ND ND ND NS NS NS NS NS NS180NS NS 53 NS 23 NS 0.3 ND NS ND NS NS1/16/20184.9 NS NS NS ND NS NS NS 3.5 NS NS NS320ND NS ND NS 18 NS 0.46 12 NS NS NS NS8/22/2018ND NS NS ND140NS NS NS NS NS NS NS94NS NS 14 NS 2.9 ND 1.5 42 NS ND NS NS3/5/2019ND NS NS ND 20 NS NS NS ND NS NS NS NS NS NS 8.4 NS 2 NS 0.23 19 NS NS ND NS9/18/2019NS ND NS NS NS NS NS NS NS NS NS NS NS ND NS 7.9 0.61 2.8 NS NS 18 NS ND NS NS3/12/2020ND ND 2.6 NS ND NS NS NS NS NS NS NS NS NS NS NS NS ND NS NS 48 NS NS NS NS8/26/2020NS NS NS NS NS NS NS NS NS NS NS NS NS ND NS NS NS NS ND0.29ND NS ND NS NS3/10/2021<0.5 NS NS NS <0.5 NS NS NS NS NS NS NS <0.5 NS NS 1.7 NS NS NS NS <0.5 NS NS NS NS2/17/20220.207ND ND NS NS NS NS NS 3.17 NS NS NS NS NS NS 19 NS NS NS 1.36 5.17 ND ND NS NSn-butylbenzeneug/l 9/8/2009<10 5.1J 0.74 <1 <10 NI NI NI NI NI NI NI NI NI NI NI NI NI NI NI NI <0.5 <0.5 <0.5 <0.5704/28/2010<5 0.79 <0.5 <0.5 <5 <0.5 <0.5 <0.5 24 <0.5 NI NI NI <0.5 NI NI NI NI NI NI NI <0.5 <0.5 NS NS(6,900)8/16/2010NS NS NS NS NS NS NS NS NS NS <0.5 <0.5 NI NS NI NI NI NI NI NI NI NS NS NS NS12/6/2011ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND NI NI NI NI NI ND ND NS NS2/21/2013ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND NI NI NI NI NI NS NS NS NS10/6/20153.1 8.4 BRL BRL BRL BRL BRL BRL 12 BRL BRL BRL BRL BRL BRL 0.89 NI NI NI NI NI BRL BRL BRL BRL6/30/20166.8 0.38 ND ND ND ND ND ND 24 ND ND NS ND ND NS ND ND ND 4.3 5.9 ND ND ND ND NS10/20/20160.79 NS NS NS ND NS NS NS 18 NS NS NS120NS NS ND NS 18 NS 3.4 8.5 NS ND NS NS2/17/2017ND NS NS NS NS NS NS NS NS NS NS NS ND ND NS ND ND ND 0.19 ND ND NS NS NS NS7/18/20173.8 NS NS ND ND ND NS NS NS NS NS NS ND NS NS ND NS ND NS 0.17 ND NS ND NS NS1/16/20181.4 NS NS NS ND NS NS NS 2.2 NS NS NS130ND NS ND NS 12 NS 0.53 16 NS NS NS NS8/22/2018ND NS NS ND 23 NS NS NS NS NS NS NS 39 NS NS 3.7 NS 6.1 ND 1.2 24 NS ND NS NS3/5/2019ND NS NS ND 5.6 NS NS NS ND NS NS NS NS NS NS 2.9 NS 0.89 NS ND 2.3 NS NS ND NS9/18/2019NS ND NS NS NS NS NS NS NS NS NS NS NS ND NS 1.7 ND 4.2 NS NS ND NS ND NS NS3/12/2020ND ND 1.2 NS ND NS NS NS NS NS NS NS NS NS NS NS NS 1.6 NS NS 17 NS NS NS NS8/26/2020NS NS NS NS NS NS NS NS NS NS NS NS NS ND NS NS NS NS ND ND ND NS ND NS NS3/10/2021<0.5 NS NS NS <0.5 NS NS NS NS NS NS NS <0.5 NS NS <0.5 NS NS NS NS <0.5 NS NS NS NS2/17/2022ND ND ND NS NS NS NS NS 2.35 NS NS NS NS NS NS 2.55 NS NS NS 0.563 ND ND ND NS NSPage 4 of 8 NCAC 15A:2L PARAMETER UNITS DATEStandardMW-1 MW-2 MW-3 MW-4 MW-5 MW-6 MW-7 MW-8 MW-9 MW-10 MW-11 MW-12 MW-13 VE-1 AS-1 RW-1 RW-2 RW-3 RW-4 RW-5 RW-6 SW-1 SW-2 SW-3 SW-4 (GCL) Method 6200B/602MONITORING / SUPPLY WELLSTable 5Groundwater Analytical ResultsTaylor's Grocery - Incident # 98461610 NC Hwy 61 South, Whitsett, Guilford County, North Carolinasec-butylbenzeneug/l 4/28/2010<5 0.59 <0.5 <0.5 <5 <0.5 <0.5 <0.5 <20 <0.5 NI NI NI <0.5 NI NI NI NI NI NI NI <0.5 <0.5 <0.5 <0.5708/16/2010NS NS NS NS NS NS NS NS NS NS <0.5 <0.5 NI NS NI NI NI NI NI NI NI NS NS NS NS(8,500)12/6/2011ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND NI NI NI NI NI ND ND NS NS2/21/2013ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND NI NI NI NI NI NS NS NS NS10/6/20153.8 4.1 BRL BRL BRL BRL BRL BRL 6.7 BRL BRL BRL BRL BRL BRL 0.51 NI NI NI NI NI BRL BRL BRL BRL6/30/20163.9 0.14 ND ND ND ND ND ND 9.5 ND ND NS ND ND NS ND ND ND ND ND ND ND ND ND NS10/20/20161.2 NS NS NS ND NS NS NS 2.3 NS NS NS 28 NS NS ND NS ND NS 0.36 ND NS ND NS NS2/17/20172.7 NS NS NS NS NS NS NS NS NS NS NS ND ND NS ND ND 0.86 ND ND ND NS NS NS NS7/18/20173.3 NS NS ND ND ND NS NS NS NS NS NS ND NS NS ND NS 2 NS ND ND NS ND NS NS1/16/20182 NS NS NS ND NS NS NS 0.38 NS NS NS 32 ND NS ND NS ND NS ND ND NS NS NS NS8/22/20180.43 NS NS ND ND NS NS NS NS NS NS NS ND NS NS 1.5 NS 0.35 ND 0.36 ND NS ND NS NS3/5/2019ND NS NS ND ND NS NS NS ND NS NS NS NS NS NS ND NS ND NS ND 0.68 NS NS ND NS9/18/2019NS ND NS NS NS NS NS NS NS NS NS NS NS ND NS 1.5 ND ND NS NS ND NS ND NS NS3/12/2020ND ND 0.38 NS ND NS NS NS NS NS NS NS NS NS NS NS NS ND NS NS ND NS NS NS NS8/26/2020NS NS NS NS NS NS NS NS NS NS NS NS NS ND NS NS NS NS0.20.17ND NS ND NS NS3/10/2021<0.5 NS NS NS <0.5 NS NS NS NS NS NS NS <0.5 NS NS <0.5 NS NS NS NS <0.5 NS NS NS NS2/17/20220.371ND ND NS NS NS NS NS 0.878 NS NS NS NS NS NS 2.24 NS NS NS0.36ND ND ND NS NSIsopropylbenzeneug/l 9/8/200917 16 1.7 <0.5 8 NI NI NI NI NI NI NI NI NI NI NI NI NI NI NI NI <0.5 <0.5 <0.5 <0.570(Cumene)4/28/201013 1.4 <0.5 <0.5 14 <0.5 <0.5 <0.5 64 <0.5 NI NI NI <0.5 NI NI NI NI NI NI NI <0.5 <0.5 NS NS(25,000)8/16/2010NS NS NS NS NS NS NS NS NS NS <0.5 <0.5 NI NS NI NI NI NI NI NI NI NS NS NS NS12/6/201126.7 3.2 ND ND76ND ND ND84.6ND ND ND89.9ND ND 47.1 NI NI NI NI NI ND ND NS NS2/21/201313.5 3.3 ND ND182ND ND ND 64 ND ND ND366ND ND 10.5 NI NI NI NI NI NS NS NS NS10/6/20155.9 16 BRL BRL120BRL BRL BRL 17 BRL BRL BRL110BRL BRL 3.4 NI NI NI NI NI BRL BRL BRL BRL6/30/201614 0.31 ND ND ND ND ND ND 30 ND ND NS80ND NS 28 0.37 13 0.49 ND ND ND ND ND NS10/20/20164.2 NS NS NS ND NS NS NS 32 NS NS NS240NS NS ND NS130NS 3.7 ND NS ND NS NS2/17/201713 NS NS NS NS NS NS NS NS NS NS NS85ND NS 2.6 0.36 5.6 0.14 0.14 ND NS NS NS NS7/18/201712 NS NS ND ND ND NS NS NS NS NS NS170NS NS 29 NS 19 NS 0.16 60 NS ND NS NS1/16/20182 NSNSNSNDNSNSNS1.3NSNSNS130ND NS ND NS ND NS 0.22 ND NS NS NS NS8/22/2018ND NS NS ND 64 NS NS NS NS NS NS NS 43 NS NS 8.2 NS 1.6 ND 0.85 14 NS ND NS NS3/5/2019ND NS NS ND 14 NS NS NS ND NS NS NS NS NS NS 4.1 NS 1.4 NS ND 7.2 NS NS ND NS9/18/2019NS ND NS NS NS NS NS NS NS NS NS NS NS ND NS 5.4 0.73 2 NS NS 8.7 NS ND NS NS3/12/2020NDND 2 NSNDNSNSNSNSNSNSNSNSNSNSNSNSNDNSNS39NSNSNSNS8/26/2020NS NS NS NS NS NS NS NS NS NS NS NS NS ND NS NS NS NS0.230.662.1NS ND NS NS3/10/2021<0.5 NS NS NS <0.5 NS NS NS NS NS NS NS <0.5 NS NS 0.89 NS NS NS NS 2.6 NS NS NS NS2/17/20220.339ND ND NS NS NS NS NS 0.878 NS NS NS NS NS NS 9.18 NS NS NS 0.67 3.1 ND ND NS NS1,2-Dichloroethaneug/l 9/8/2009<5 <5 <0.5 <0.5 <10 NI NI NI NI NI NI NI NI NI NI NI NI NI NI NI NI <0.5 <0.5 <0.5 <0.50.44/28/2010<50.96<0.5 <0.5 <5 <0.5 <0.5 <0.524<0.5 NI NI NI 1 NI NI NI NI NI NI NI <0.5 <0.5 NS NS(400)8/16/2010NS NS NS NS NS NS NS NS NS NS <0.5 <0.5 NI NS NI NI NI NI NI NI NI NS NS NS NS12/6/2011ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND NI NI NI NI NI ND ND NS NS2/21/2013ND1.4ND ND ND ND ND ND ND ND ND ND ND ND ND ND NI NI NI NI NI NS NS NS NS10/6/2015BRL BRL BRL BRL BRL BRL BRL BRL8.7BRL BRL BRL BRL BRL BRL BRL NI NI NI NI NI BRL BRL BRL BRL6/30/2016ND ND ND ND ND ND ND ND ND ND ND NS ND ND NS ND ND ND ND ND ND ND ND ND NS10/20/2016ND NS NS NS ND NS NS NS ND NS NS NS ND NS NS ND NS ND NS ND ND NS ND NS NS2/17/2017ND NS NS NS NS NS NS NS NS NS NS NS ND ND NS ND ND ND ND ND ND NS NS NS NS7/18/2017ND NS NS ND ND ND NS NS NS NS NS NS ND NS NS ND NS ND NS ND ND NS ND NS NS1/16/2018ND NS NS NS ND NS NS NS ND NS NS NS ND ND NS ND NS ND NS ND ND NS NS NS NS8/22/2018ND NS NS ND ND NS NS NS NS NS NS NS ND NS NS ND NS ND ND ND ND NS ND NS NS3/5/2019ND NS NS ND ND NS NS NS ND NS NS NS NS NS NS ND NS ND NS ND ND NS NS ND NS9/18/2019NS ND NS NS NS NS NS NS NS NS NS NS NS ND NS ND ND ND NS NS ND NS ND NS NS3/12/2020ND ND ND NS ND NS NS NS NS NS NS NS NS NS NS NS NS ND NS NS ND NS NS NS NS8/26/2020NS NS NS NS NS NS NS NS NS NS NS NS NS ND NS NS NS NS ND ND ND NS ND NS NS3/10/2021<0.5 NS NS NS <0.5 NS NS NS NS NS NS NS <0.5 NS NS <0.5 NS NS NS NS <0.5 NS NS NS NS2/17/2022ND ND ND NS NS NS NS NS ND NS NS NS NS NS NS ND NS NS NS ND ND ND ND NS NSPage 5 of 8 NCAC 15A:2L PARAMETER UNITS DATEStandardMW-1 MW-2 MW-3 MW-4 MW-5 MW-6 MW-7 MW-8 MW-9 MW-10 MW-11 MW-12 MW-13 VE-1 AS-1 RW-1 RW-2 RW-3 RW-4 RW-5 RW-6 SW-1 SW-2 SW-3 SW-4 (GCL) Method 6200B/602MONITORING / SUPPLY WELLSTable 5Groundwater Analytical ResultsTaylor's Grocery - Incident # 98461610 NC Hwy 61 South, Whitsett, Guilford County, North CarolinaEBDug/l 9/8/2009<5 <5 <0.5 <0.5 <10 NI NI NI NI NI NI NI NI NI NI NI NI NI NI NI NI <0.5 <0.5 <0.5 <0.50.024/28/2010<5 <0.5 <0.5 <0.5 <5 <0.5 <0.5 <0.5 <20 <0.5 NI NI NI <0.5 NI NI NI NI NI NI NI <0.5 <0.5 NS NS(50)8/16/2010NS NS NS NS NS NS NS NS NS NS <0.5 <0.5 NI NS NI NI NI NI NI NI NI NS NS NS NS12/6/2011ND ND ND ND ND ND ND ND ND ND ND ND1.6ND ND ND NI NI NI NI NI ND ND NS NS2/21/2013ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND NI NI NI NI NI NS NS NS NS10/6/2015BRL BRL BRL BRL BRL BRL BRL BRL9.6BRL BRL BRL BRL BRL BRL BRL NI NI NI NI NI BRL BRL BRL BRL6/30/2016ND ND ND ND ND ND ND ND ND ND ND NS ND ND NS ND ND ND0.65ND ND ND ND ND NS10/20/2016ND NS NS NS ND NS NS NS ND NS NS NS ND NS NS ND NS ND NS0.25 12NS ND NS NS2/17/2017ND NS NS NS NS NS NS NS NS NS NS NS ND ND NS ND ND3.0ND ND6.6NS NS NS NS7/18/2017ND NS NS ND ND ND NS NS NS NS NS NS ND NS NS ND NS ND NS ND ND NS ND NS NS1/16/2018ND NS NS NS ND NS NS NS ND NS NS NS ND ND NS ND NS ND NS ND ND NS NS NS NS8/22/2018ND NS NS ND ND NS NS NS NS NS NS NS ND NS NS ND NS ND ND ND ND NS ND NS NS3/5/2019ND NS NS ND ND NS NS NS ND NS NS NS NS NS NS ND NS ND NS ND4.5NS NS ND NS9/18/2019NS ND NS NS NS NS NS NS NS NS NS NS NS ND NS ND ND ND NS NS ND NS ND NS NS3/12/2020ND ND ND NS ND NS NS NS NS NS NS NS NS NS NS NS NS ND NS NS ND NS NS NS NS8/26/2020NS NS NS NS NS NS NS NS NS NS NS NS NS ND NS NS NS NS ND ND ND NS ND NS NS3/10/2021<0.5 NS NS NS <0.5 NS NS NS NS NS NS NS <0.5 NS NS <0.5 NS NS NS NS <0.5 NS NS NS NS2/17/2022ND ND ND NS NS NS NS NS ND NS NS NS NS NS NS ND NS NS NS ND ND ND ND NS NS1,2-Dichloropropaneug/l 10/6/20152 1.6 BRL BRL BRL BRL BRL BRL6.1BRL BRL BRL BRL BRL BRL BRL NI NI NI NI NI BRL BRL BRL BRL0.66/30/2016ND ND ND ND ND ND ND ND ND ND ND NS ND ND NS ND ND ND ND ND ND ND ND ND NS(600)10/20/2016ND NS NS NS ND NS NS NS ND NS NS NS ND NS NS ND NS ND NS ND ND NS ND NS NS2/17/2017ND NS NS NS NS NS NS NS NS NS NS NS ND ND NS ND ND1.2ND ND ND NS NS NS NS7/18/2017ND NS NS ND ND ND NS NS NS NS NS NS ND NS NS ND NS ND NS ND ND NS ND NS NS1/16/2018ND NS NS NS ND NS NS NS ND NS NS NS ND ND NS ND NS ND NS ND ND NS NS NS NS8/22/2018ND NS NS ND ND NS NS NS NS NS NS NS ND NS NS ND NS ND ND ND ND NS ND NS NS3/5/2019ND NS NS ND ND NS NS NS ND NS NS NS NS NS NS ND NS ND NS ND0.62NS NS ND NS9/18/2019NS ND NS NS NS NS NS NS NS NS NS NS NS ND NS ND ND ND NS NS ND NS ND NS NS3/12/2020ND ND ND NS ND NS NS NS NS NS NS NS NS NS NS NS NS ND NS NS ND NS NS NS NS8/26/2020NS NS NS NS NS NS NS NS NS NS NS NS NS ND NS NS NS NS ND ND ND NS ND NS NS3/10/2021<0.5 NS NS NS <0.5 NS NS NS NS NS NS NS <0.5 NS NS <0.5 NS NS NS NS <0.5 NS NS NS NS2/17/2022ND ND ND NS NS NS NS NS ND NS NS NS NS NS NS ND NS NS NS ND ND ND ND NS NS4-Isopropyltolueneug/l 10/6/20152 1.6 BRL BRL BRL BRL BRL BRL 5.5 BRL BRL BRL BRL BRL BRL BRL NI NI NI NI NI BRL BRL BRL BRL25p-Isopropyltoluene6/30/2016ND ND ND ND ND ND ND ND ND ND ND NS ND ND NS ND ND ND ND ND ND ND ND ND NS(11,700)(p-Cymene)10/20/2016ND NS NS NS ND NS NS NS ND NS NS NS ND NS NS ND NS ND NS ND ND NS ND NS NS2/17/2017ND NS NS NS NS NS NS NS NS NS NS NS ND ND NS ND ND 1.2 ND ND ND NS NS NS NS7/18/20172.3 NS NS ND ND ND NS NS NS NS NS NS ND NS NS ND NS ND NS ND ND NS ND NS NS1/16/20181 NS NS NS ND NS NS NS 0.29 NS NS NS ND ND NS ND NS ND NS ND ND NS NS NS NS8/22/2018ND NS NS ND ND NS NS NS NS NS NS NS ND NS NS ND NS ND ND ND ND NS ND NS NS3/5/2019ND NS NS ND 2.2 NS NS NS ND NS NS NS NS NS NS 0.8 NS 0.64 NS ND 0.95 NS NS ND NS9/18/2019NS ND NS NS NS NS NS NS NS NS NS NS NS ND NS 0.35 ND ND NS NS ND NS ND NS NS3/12/2020ND ND 1.5 NS ND NS NS NS NS NS NS NS NS NS NS NS NS 1.4 NS NS ND NS NS NS NS8/26/2020NS NS NS NS NS NS NS NS NS NS NS NS NS ND NS NS NS NS ND ND ND NS ND NS NS3/10/2021<0.5 NS NS NS <0.5 NS NS NS NS NS NS NS <0.5 NS NS <0.5 NS NS NS NS <0.5 NS NS NS NS2/17/2022ND ND ND NS NS NS NS NS 0.608 NS NS NS NS NS NS 1.23 NS NS NS ND ND ND ND NS NS4-Chlorotolueneug/l 10/6/2015BRL BRL BRL BRL83BRL BRL BRL BRL BRL BRL BRL BRL BRL BRL BRL NI NI NI NI NI BRL BRL BRL BRL246/30/2016ND ND ND ND ND ND ND ND ND ND ND NS ND ND NS ND ND ND ND ND ND ND ND ND NS(7,500)10/20/2016ND NS NS NS ND NS NS NS ND NS NS NS ND NS NS ND NS ND NS ND ND NS ND NS NS2/17/2017ND NS NS NS NS NS NS NS NS NS NS NS ND ND NS ND ND ND ND ND ND NS NS NS NS7/18/2017ND NS NS ND ND ND NS NS NS NS NS NS ND NS NS ND NS ND NS ND ND NS ND NS NS1/16/2018ND NS NS NS ND NS NS NS ND NS NS NS ND ND NS ND NS ND NS ND ND NS NS NS NS8/22/2018ND NS NS ND ND NS NS NS NS NS NS NS ND NS NS ND NS 0.74 ND ND ND NS ND NS NS3/5/2019ND NS NS ND ND NS NS NS ND NS NS NS NS NS NS ND NS ND NS ND ND NS NS ND NS9/18/2019NS ND NS NS NS NS NS NS NS NS NS NS NS ND NS ND ND ND NS NS ND NS ND NS NS3/12/2020ND ND ND NS ND NS NS NS NS NS NS NS NS NS NS NS NS ND NS NS ND NS NS NS NS8/26/2020NS NS NS NS NS NS NS NS NS NS NS NS NS ND NS NS NS NS ND ND ND NS ND NS NS3/10/2021<0.5 NS NS NS <0.5 NS NS NS NS NS NS NS <0.5 NS NS <0.5 NS NS NS NS <0.5 NS NS NS NS2/17/2022ND ND ND NS NS NS NS NS ND NS NS NS NS NS NS ND NS NS NS ND ND ND ND NS NSPage 6 of 8 NCAC 15A:2L PARAMETER UNITS DATEStandardMW-1 MW-2 MW-3 MW-4 MW-5 MW-6 MW-7 MW-8 MW-9 MW-10 MW-11 MW-12 MW-13 VE-1 AS-1 RW-1 RW-2 RW-3 RW-4 RW-5 RW-6 SW-1 SW-2 SW-3 SW-4 (GCL) Method 6200B/602MONITORING / SUPPLY WELLSTable 5Groundwater Analytical ResultsTaylor's Grocery - Incident # 98461610 NC Hwy 61 South, Whitsett, Guilford County, North CarolinaChloromethaneug/l 10/6/2015BRL BRL BRL BRL280BRL BRL BRL BRL BRL BRL BRL BRL BRL BRL BRL NI NI NI NI NI BRL BRL BRL BRL36/30/2016ND ND ND ND ND ND ND ND ND ND ND NS ND ND NS ND ND ND ND ND ND ND ND ND NS(3,000)10/20/2016ND NS NS NS ND NS NS NS ND NS NS NS ND NS NS ND NS ND NS ND ND NS 0.76 NS NS2/17/2017ND NS NS NS NS NS NS NS NS NS NS NS ND ND NS ND ND ND ND ND ND NS NS NS NS7/18/2017ND NS NS ND ND ND NS NS NS NS NS NS ND NS NS ND NS ND NS ND ND NS ND NS NS1/16/2018ND NS NS NS ND NS NS NS ND NS NS NS ND ND NS ND NS ND NS ND ND NS NS NS NS8/22/2018ND NS NS ND ND NS NS NS NS NS NS NS ND NS NS ND NS ND ND ND ND NS ND NS NS3/5/2019ND NS NS ND ND NS NS NS ND NS NS NS NS NS NS ND NS ND NS ND ND NS NS ND NS9/18/2019NS ND NS NS NS NS NS NS NS NS NS NS NS ND NS ND ND ND NS NS ND NS ND NS NS3/12/2020ND ND ND NS ND NS NS NS NS NS NS NS NS NS NS NS NS ND NS NS ND NS NS NS NS8/26/2020NS NS NS NS NS NS NS NS NS NS NS NS NS ND NS NS NS NS ND ND8NS ND NS NS3/10/2021<1.0 NS NS NS <1.0 NS NS NS NS NS NS NS <1.0 NS NS <0.5 NS NS NS NS <0.5 NS NS NS NS2/17/2022ND ND ND NS NS NS NS NS ND NS NS NS NS NS NS ND NS NS NS ND ND ND ND NS NSVinyl Chlorideug/l 6/30/2016ND ND ND ND ND ND ND ND ND ND ND NS ND0.31NS ND ND ND ND ND ND ND ND ND NS0.0310/20/2016ND NS NS NS ND NS NS NS ND NS NS NS ND NS NS ND NS ND NS ND ND NS ND NS NS(30)2/17/2017ND NS NS NS NS NS NS NS NS NS NS NS ND0.22NS ND ND ND ND ND ND NS NS NS NS7/18/2017ND NS NS ND ND ND NS NS NS NS NS NS ND NS NS ND NS ND NS ND ND NS ND NS NS1/16/2018ND NS NS NS ND NS NS NS ND NS NS NS ND ND NS ND NS ND NS ND ND NS NS NS NS8/22/2018ND NS NS ND ND NS NS NS NS NS NS NS ND NS NS ND NS ND ND ND ND NS ND NS NS3/5/2019ND NS NS ND ND NS NS NS ND NS NS NS NS NS NS ND NS ND NS ND ND NS NS ND NS9/18/2019NS ND NS NS NS NS NS NS NS NS NS NS NS ND NS ND ND ND NS NS ND NS ND NS NS3/12/2020ND ND ND NS ND NS NS NS NS NS NS NS NS NS NS NS NS ND NS NS ND NS NS NS NS8/26/2020NS NS NS NS NS NS NS NS NS NS NS NS NS ND NS NS NS NS ND ND ND NS ND NS NS3/10/2021<05 NS NS NS <0.5 NS NS NS NS NS NS NS <0.5 NS NS <0.5 NS NS NS NS <0.5 NS NS NS NS2/17/2022ND ND ND NS NS NS NS NS ND NS NS NS NS NS NS ND NS NS NS ND ND ND ND NS NS2-Hexanoneug/l 10/6/2015BRL BRL BRL BRL94BRL BRL BRL 17 BRL BRL BRL160BRL BRL BRL NI NI NI NI NI BRL BRL BRL BRL40(Methyl Butyl Ketone)6/30/2016ND ND ND ND ND ND ND ND ND ND ND NS ND ND NS ND ND ND ND ND ND ND ND ND NS(40,000)10/20/2016ND NS NS NS ND NS NS NS ND NS NS NS ND NS NS ND NS ND NS ND ND NS ND NS NS2/17/2017ND NS NS NS NS NS NS NS NS NS NS NS ND ND NS ND ND ND ND ND ND NS NS NS NS7/18/2017ND NS NS ND ND ND NS NS NS NS NS NS ND NS NS ND NS ND NS ND ND NS ND NS NS1/16/2018ND NS NS NS ND NS NS NS ND NS NS NS ND ND NS ND NS ND NS ND ND NS NS NS NS8/22/2018ND NS NS ND ND NS NS NS NS NS NS NS ND NS NS ND NS ND ND ND ND NS ND NS NS3/5/2019ND NS NS ND ND NS NS NS ND NS NS NS NS NS NS ND NS ND NS ND ND NS NS ND NS9/18/2019NS ND NS NS NS NS NS NS NS NS NS NS NS ND NS ND ND ND NS NS ND NS ND NS NS3/12/2020ND ND ND NS ND NS NS NS NS NS NS NS NS NS NS NS NS ND NS NS ND NS NS NS NS8/26/2020NS NS NS NS NS NS NS NS NS NS NS NS NS ND NS NS NS NS ND ND ND NS ND NS NS3/10/2021<05 NS NS NS <0.5 NS NS NS NS NS NS NS <0.5 NS NS <0.5 NS NS NS NS <0.5 NS NS NS NS2/17/2022ND ND ND NS NS NS NS NS ND NS NS NS NS NS NS ND NS NS NS ND ND ND ND NS NSMIBKug/l 10/6/2015BRL BRL BRL BRL110BRL BRL BRL 16 BRL BRL BRL 95 BRL BRL BRL NI NI NI NI NI BRL BRL BRL BRL100(Methyl Isobutyl Ketone)6/30/2016ND ND ND ND ND ND ND ND ND ND ND NS ND ND NS ND ND ND ND ND ND ND ND ND NS(100,000)10/20/2016ND NS NS NS ND NS NS NS ND NS NS NS ND NS NS ND NS ND NS ND ND NS ND NS NS2/17/2017ND NS NS NS NS NS NS NS NS NS NS NS ND ND NS ND ND ND ND ND ND NS NS NS NS7/18/2017ND NS NS ND ND ND NS NS NS NS NS NS ND NS NS ND NS ND NS ND ND NS ND NS NS1/16/2018ND NS NS NS ND NS NS NS ND NS NS NS ND ND NS ND NS ND NS ND ND NS NS NS NS8/22/2018ND NS NS ND ND NS NS NS NS NS NS NS ND NS NS ND NS ND ND ND ND NS ND NS NS3/5/2019ND NS NS ND ND NS NS NS ND NS NS NS NS NS NS ND NS ND NS ND ND NS NS ND NS9/18/2019NS ND NS NS NS NS NS NS NS NS NS NS NS ND NS ND ND ND NS NS ND NS ND NS NS3/12/2020ND ND ND NS ND NS NS NS NS NS NS NS NS NS NS NS NS ND NS NS ND NS NS NS NS8/26/2020NS NS NS NS NS NS NS NS NS NS NS NS NS ND NS NS NS NS ND ND ND NS ND NS NS3/10/2021<05 NS NS NS <0.5 NS NS NS NS NS NS NS <0.5 NS NS <0.5 NS NS NS NS <0.5 NS NS NS NS2/17/2022ND ND ND NS NS NS NS NS ND NS NS NS NS NS NS ND NS NS NS ND ND ND ND NS NSPage 7 of 8 NCAC 15A:2L PARAMETER UNITS DATEStandardMW-1 MW-2 MW-3 MW-4 MW-5 MW-6 MW-7 MW-8 MW-9 MW-10 MW-11 MW-12 MW-13 VE-1 AS-1 RW-1 RW-2 RW-3 RW-4 RW-5 RW-6 SW-1 SW-2 SW-3 SW-4 (GCL) Method 6200B/602MONITORING / SUPPLY WELLSTable 5Groundwater Analytical ResultsTaylor's Grocery - Incident # 98461610 NC Hwy 61 South, Whitsett, Guilford County, North Carolinatert-Butylbenzeneug/l 10/6/2015BRL BRL BRL BRL290BRL BRL BRL BRL BRL BRL BRL BRL BRL BRL BRL NI NI NI NI NI BRL BRL BRL BRL706/30/20160.2 ND ND ND ND ND ND ND ND ND ND NS ND ND NS ND ND ND ND ND ND ND ND ND NS(15,000)10/20/2016ND NS NS NS ND NS NS NS ND NS NS NS ND NS NS ND NS ND NS ND ND NS ND NS NS2/17/20170.16 NS NS NS NS NS NS NS NS NS NS NS ND ND NS ND ND ND ND ND ND NS NS NS NS7/18/20170.14 NS NS ND ND ND NS NS NS NS NS NS ND NS NS ND NS ND NS ND ND NS ND NS NS1/16/2018ND NS NS NS ND NS NS NS ND NS NS NS ND ND NS ND NS ND NS ND ND NS NS NS NS8/22/2018ND NS NS ND ND NS NS NS NS NS NS NS ND NS NS ND NS ND ND ND ND NS ND NS NS3/5/2019ND NS NS ND ND NS NS NS ND NS NS NS NS NS NS ND NS ND NS ND ND NS NS ND NS9/18/2019NS 0.33 NS NS NS NS NS NS NS NS NS NS NS ND NS ND ND ND NS NS ND NS ND NS NS3/12/2020ND ND ND NS ND NS NS NS NS NS NS NS NS NS NS NS NS ND NS NS ND NS NS NS NS8/26/2020NS NS NS NS NS NS NS NS NS NS NS NS NS ND NS NS NS NS ND ND ND NS ND NS NS3/10/2021<05 NS NS NS <0.5 NS NS NS NS NS NS NS <0.5 NS NS <0.5 NS NS NS NS <0.5 NS NS NS NS2/17/2022ND ND ND NS NS NS NS NS ND NS NS NS NS NS NS ND NS NS NS ND ND ND ND NS NSStryreneug/l 10/6/2015BRL BRL BRL BRL130BRL BRL BRL BRL BRL BRL BRL 600 BRL BRL 0.98 NI NI NI NI NI BRL BRL BRL BRL706/30/20162.8 ND ND ND ND ND ND ND ND ND ND NS ND ND NS ND ND ND ND ND ND ND ND ND NS(70,000)10/20/20160.41 NS NS NS ND NS NS NS ND NS NS NS ND NS NS ND NS ND NS ND ND NS ND NS NS2/17/20177.2 NS NS NS NS NS NS NS NS NS NS NS ND ND NS ND ND ND ND ND ND NS NS NS NS7/18/20173.2 NS NS ND ND ND NS NS NS NS NS NS ND NS NS ND NS ND NS ND ND NS ND NS NS1/16/2018ND NS NS NS ND NS NS NS ND NS NS NS ND ND NS ND NS ND NS ND ND NS NS NS NS8/22/2018ND NS NS ND ND NS NS NS NS NS NS NS ND NS NS ND NS ND ND ND ND NS ND NS NS3/5/2019ND NS NS ND ND NS NS NS ND NS NS NS NS NS NS ND NS ND NS ND 0.6 NS NS ND NS9/18/2019NS ND NS NS NS NS NS NS NS NS NS NS NS ND NS ND ND ND NS NS ND NS ND NS NS3/12/2020ND ND ND NS ND NS NS NS NS NS NS NS NS NS NS NS NS ND NS NS ND NS NS NS NS8/26/2020NS NS NS NS NS NS NS NS NS NS NS NS NS ND NS NS NS NS ND ND ND NS ND NS NS3/10/2021<05 NS NS NS <0.5 NS NS NS NS NS NS NS <0.5 NS NS <0.5 NS NS NS NS <0.5 NS NS NS NS2/17/2022ND ND ND NS NS NS NS NS ND NS NS NS NS NS NS 1.3 NS NS NS ND ND ND ND NS NS Methyl Ethyl Ketoneug/l 3//5/2019ND NS NS ND ND NS NS NS ND NS NS NS NS NS NS ND NS ND NS ND ND NS NS 47 NS4,0002-butanone9/18/2019NS ND NS NS NS NS NS NS NS NS NS NS NS ND NS ND ND ND NS NS ND NS ND NS NS4,000,0003/12/2020ND ND ND NS ND NS NS NS NS NS NS NS NS NS NS NS NS ND NS NS ND NS NS NS NS8/26/2020NS NS NS NS NS NS NS NS NS NS NS NS NS ND NS NS NS NS ND ND ND NS ND NS NS3/10/2021<05 NS NS NS <0.5 NS NS NS NS NS NS NS <0.5 NS NS <0.5 NS NS NS NS <0.5 NS NS NS NS2/17/2022ND ND ND NS NS NS NS NS ND NS NS NS NS NS NS ND NS NS NS ND ND ND ND NS NSAcetoneug/l 2/17/20222.39ND ND NS NS NS NS NS ND NS NS NS NS NS NS ND NS NS NS ND ND ND4.36,0006,000,000EPA 625ug/l 7/18/2017NA NS NS ND NA NA NS NS NS NS NS NS NA NS NS NA NS NA NS NA NA NA NS NS NSNo StandardAll Parameters1/16/2018NA NS NS NS NA NS NS NS NA NS NS NS NA NA NS NA NS NA NS NA NA NS NS NS NS8/22/2018NA NS NS NA NA NS NS NS NS NS NS NS NA NS NS NA NS NA NA NA NA NS NA NS NS3/5/2019NA NS NS NA NA NS NS NS NA NS NS NS NS NS NS NA NS NA NS NA NA NS NS NA NS9/18/2019NS NA NS NS NS NS NS NS NS NS NS NS NS NA NS NA NA NA NS NS NA NS NA NS NS3/12/2020NA NA NA NS NA NS NS NS NS NS NS NS NS NS NS NS NS NA NS NS NA NS NS NS NS8/26/2020NS NS NS NS NS NS NS NS NS NS NS NS NS NA NS NS NS NS NA NA NA NS NA NS NS3/10/2021NS NS NS NS NS NS NS NS NS NS NS NS NS NA NS NS NS NS NA NA NA NS NA NS NS2/17/2022NA NA NA NS NA NS NS NS NA NS NS NS NS NS NS NA NS NA NS NA NA NA NA NS NSMADEP EPHug/l 7/18/2017NA NS NS ND NA NA NS NS NS NS NS NS NA NS NS NA NS NA NS NA NA NA NS NS NSNo StandardAll Parameters1/16/2018NA NS NS NS NA NS NS NS NA NS NS NS NA NA NS NA NS NA NS NA NA NS NS NS NS8/22/2018NA NS NS NA NA NS NS NS NS NS NS NS NA NS NS NA NS NA NA NA NA NS NA NS NS3/5/2019NA NS NS NA NA NS NS NS NA NS NS NS NS NS NS NA NS NA NS NA NA NS NS NA NS9/18/2019NS NA NS NS NS NS NS NS NS NS NS NS NS NA NS NA NA NA NS NS NA NS NA NS NS3/12/2020NA NA NA NS NA NS NS NS NS NS NS NS NS NS NS NS NS NA NS NS NA NS NS NS NS8/26/2020NS NS NS NS NS NS NS NS NS NS NS NS NS NA NS NS NS NS NA NA NA NS NA NS NS3/10/2021NS NS NS NS NS NS NS NS NS NS NS NS NS NA NS NS NS NS NA NA NA NS NA NS NS2/17/2022NA NA NA NS NA NS NS NS NA NS NS NS NS NS NS NA NS NA NS NA NA NA NA NS NSBDL/BRL/ND = Not Detected NS = No Standard NA = Not analyzed for this parameter.Italic and underlined values are estimated values below the method reporting limits. GCL = Gross Contaminant LevelBold Values exceed the NCAC 2L StandardNI = Not InstalledPage 8 of 8 AST Pump out Pump out event Accumulative quantity date quantity recovered [gal.] [gal.] 04-May-16 5,330 5,330 19-May-16 5,194 5,194 26-May-16 5,522 10,852 02-Jun-16 4,910 15,762 16-Jun-16 5,326 21,088 30-Jun-16 5,229 26,317 14-Jul-16 5,185 31,502 28-Jul-16 5,100 36,602 23-Sep-16 5,204 41,806 06-Oct-16 5,125 46,931 20-Oct-16 5,000 51,931 03-Nov-16 5,229 57,160 17-Nov-16 5,000 62,160 01-Dec-16 5,111 67,271 15-Dec-16 5,000 72,271 05-Jan-17 4,753 77,024 19-Jan-17 5,128 82,152 02-Feb-17 5,278 87,430 20-Feb-17 5,451 92,881 03-Mar-17 5,225 98,106 16-Mar-17 2,859 100,965 Gene Mao, the site incident manager with the NCDEQ -UST Section, in March 2017. TABLE 6 Remediation System Groundwater Recovery Taylor's Grocery - Incident # 9846 1610 NC Hwy. 61 South, Whitsett, Guilford County, NC The groundwater recovery system was shut down at the request of Page 1 of 1 19‐May‐1640 110 120 55 95 20‐80 1‐226‐May‐1636 110 120 85 55 20‐80 1‐202‐Jun‐1626 100 120 85 70 20‐80 1‐216‐Jun‐1626 80 120 90 85 20‐80 1‐230‐Jun‐1628 100 120 85 50 20‐80 1‐214‐Jul‐1626 80 120 95 70 20‐80 1‐228‐Jul‐1626 80 120 95 65 20‐80 1‐215‐Sep‐16 26 80 140 80 60 20‐80 1‐222‐Sep‐16 26 80 135 80 60 20‐80 1‐220‐Oct‐16 26 80 130 78 60 20‐80 1‐23‐Nov‐16 26 80 130 81 60 20‐80 1‐217‐Nov‐16 26 80 450 69 55 20‐60 1‐21‐Dec‐16 26 80 440 65 50 20‐60 1‐215‐Dec‐16 26 80 440 62 50 20‐60 1‐25‐Jan‐17 26 80 180 55 65 20‐60 1‐219‐Jan‐17 26 80 175 62 60 20‐60 1‐22‐Feb‐17 26 80 180 70 65 20‐60 1‐216‐Feb‐17 26 80 170 65 55 20‐60 1‐23‐Mar‐17 26 80 160 81 60 20‐60 1‐216‐Mar‐17 26 80 180 60 70 20‐60 1‐24/20/2017 26 80 175 75 60 20‐80 1‐25/11/2017 26 80 160 80 60 20‐80 1‐26/27/2017 26 80 160 85 50 20‐80 1‐2TABLE 7SVE and AS Systems Operation Parameters Taylor's Grocery ‐ Incident # 9846Date:SVE vacuum[In. ‐ H2O]SVE total  air flow [CFM]SVE OVM Reading[ppm]SVE Temperature[°F] SVE humidity[%]AS pressure[PSIG]AS air flow [CFM]1609 NC Hwy. 61 South, Whitsett, Guilford County, NCPage 1 of 1 GRAPHS GRAPH 1 - Taylor's Grocery 0.0010000.0020000.0030000.0040000.0050000.0060000.0070000.0080000.0090000.00100000.0009/08/0904/28/1008/16/1012/06/1102/21/1310/06/1506/30/1610/20/1602/17/1707/18/1701/16/1808/22/1803/05/1909/18/1903/12/2008/26/2003/10/2102/17/22BTEX Concentration[µg/L]BTEX vs. Timein Monitoring Wells with the Highest BTEX ConcentrationsMW‐1MW‐5MW‐13RW‐1RW‐6 GRAPH 2 - Taylor's Grocery 0.002000.004000.006000.008000.0010000.0012000.00Benzene Concentration [µg/L]Benzene vs. Time in Monitoring Wells with the Highest Benzene Concentrations MW‐1MW‐5MW‐13RW‐1RW‐6 86878889909192939495960.00E+002.00E+094.00E+096.00E+098.00E+091.00E+101.20E+101.40E+101.60E+1010/6/20157/18/20171/16/20188/22/20183/5/20199/18/20193/12/20208/26/20203/10/20212/17/2022Groundwater Contaminant Mass [µg]Graph 3Estimated Groundwater Contaminant Mass vs TimeTaylor's Grocery ‐NCDEQ Incident # 9846Estimated MassAverage GWElevationAverage Groundwater Elevation [feet] APPENDIX A Analytical AnalyticalSoil toParameter Method CS1-9-10 CS2-10-11 CS3-8-9 CS4-9-10 CS5-12-13 GP3-3.5-4 Residential GroundwaterSample Date:4/28/2009 4/28/2009 4/28/2009 4/28/2009 4/28/2009 4/28/2009MSCC MSCCSample Depth (feet): 9 to 10 10 to 11 8 to 9 9 to 10 12 to 13 3.5 to 4(mg/kg) (mg/kg)Location West Sidewall North Sidewall East Sidewall South Sidewall Bottom Pump IslandC5-C8 Aliphatics VPH BRL BRL BRL BRL 58 BRL 939 72C9-C12 Aliphatics VPH BRL BRL BRL BRL 58 BRLC9-C18 Aliphatics EPH NS NS NS NS NS NS 9386 3255Sum of VPH & EPH BRL BRL BRL BRL 58 BRLC19-C36 Aliphatics EPH NS NS NS NS NS NS 93860 CIC9-C10 Aromatics VPH BRL BRL BRL BRL 180 BRLC11-C22 Aromatics EPH NS NS NS NS NS NS 469 34Sum of VPH & EPH BRL BRL BRL BRL180BRLAcetone 8260 BRL BRL BRL BRL BRL BRL 1564 3Benzene 82600.017BRL BRL BRL BRL BRL 22 0.0056Bromobenzene 8260 BRL BRL BRL BRL BRL BRL NMSCC NMSCCBromoform 8260 BRL BRL BRL BRL BRL BRL NMSCC NMSCCn-Butylbenzene 8260 0.052 BRL BRL BRL 0.98 BRL 156 4sec-Butylbenzene 8260 0.02 BRL BRL BRL 0.41 BRL 156 3Styrene 8260 BRL BRL BRL BRL BRL BRL 3128 2.2tert-Butylbenzene 8260 BRL BRL BRL BRL BRL BRL 156 34-Chlorotoluene 8260 BRL BRL BRL BRL BRL BRL NMSCC NMSCCEthylbenzene 8260 0.073 BRL BRL BRL4BRL 1560 0.24Isopropyl ether (IPE) 8260 BRL BRL BRL BRL BRL BRL 156 0.37Isopropylbenzene 8260 0.017 BRL BRL BRL 0.63 BRL 1564 2P-Isopropyltoluene 8260 0.011 BRL BRL BRL 0.27J BRL NMSCC NMSCCNaphthalene 8260 0.043 BRL BRL BRL4.1BRL 313 0.58n-Propylbenzene 8260 0.074 BRL BRL BRL2.5BRL 156 2Toluene 8260 0.029 BRL BRL BRL 4.8 BRL 3200 71,2,4-Trimethylbenzene 8260 0.36E BRL BRL BRL23BRL 782 81,3,5-Trimethylbenzene 8260 0.14 BRL BRL BRL 5.5 BRL 782 7Total Xylenes 8260 0.145 BRL BRL BRL20.3BRL 32000 5MTBE 8260 BRL BRL 0.019 BRL BRL BRL 213 0.922-Hexanone 8260 BRL BRL BRL BRL BRL BRL 625 1.9Methyl ethyl ketone (MEK) 8260 0.0046J BRL BRL BRL BRL BRL 9385 17All Other 8260 Parameters8260 BRL BRL BRL BRL BRL BRL NA NA2-Methylnaphthalene8270 NS NS NS NS NS NS 63 1.7Naphthalene8270 NS NS NS NS NS NS 313 0.58Phenanthrene8270 NS NS NS NS NS NS 469 60All Other 8270 Parameters8270 NS NS NS NS NS NS NA NAOVA Field Screening (ppm)OVA 90 3 1.5 6 >1000 <1.0 NA NAmg/kg = parts per million (ppm). MSCC = Maximum Soil Contaminant Concentrations NMSCC= No MSCCBOLD values are above MSCC levels. BRL = Below Reporting Limit NA= Not ApplicableNS=Not Sampled for Parameter J= Estimated ValueCI= Considered ImmobileE= Estimated concentration greater than instrument calibration range. The analysis was repeated at a 50x dilution, but the compound was below the method RL.Sample Number and Laboratory Results (mg/kg)TABLE A-1Laboratory Results of Soil Samples Taylor's Gas & Grocery - Gasoline USTs Excavation Closure Samples1610 NC Hwy 61 S, Whitsett, NC Analytical AnalyticalSoil toParameter Method KCS1-7.5-8 KCS2-7.5-8 KCS3-7.5-8 KCS4-7-8 KCS5-8.5-9KP-7.5-8 Residential GroundwaterSample Date:4/28/2009 4/28/2009 4/28/2009 4/28/2009 4/28/2009 4/28/2009MSCC MSCCSample Depth (feet): 7.5 to 8 7.5 to 8 7.5 to 8 7 to 8 8.5 to 9 7.5 to 8(mg/kg) (mg/kg)Location West Sidewall North Sidewall East Sidewall South Sidewall Bottom DispenserC5-C8 Aliphatics VPH BRL 9.9J BRL BRL 3.0J BRL 939 72C9-C12 Aliphatics VPH BRL 160 BRL BRL 28 150C9-C18 Aliphatics EPH BRL 1200 BRL BRL BRL 1500 9386 3255Sum of VPH & EPH BRL 1360 BRL BRL 28 1650C19-C36 Aliphatics EPH BRL BRL BRL BRL BRL BRL 93860 CIC9-C10 Aromatics VPH BRL 460 BRL BRL 45 350C11-C22 Aromatics EPH BRL 130 BRL BRL BRL 240 469 34Sum of VPH & EPH BRL590BRL BRL45590Acetone 8260 BRL BRL BRL BRL BRL BRL 1564 3Benzene 8260 BRL BRL BRL BRL BRL BRL 22 0.0056Bromobenzene 8260 BRL BRL BRL BRL BRL BRL NMSCC NMSCCBromoform 8260 BRL BRL BRL BRL BRL BRL NMSCC NMSCCn-Butylbenzene 8260 BRL 2.6 BRL BRL 0.18 2.9 156 4sec-Butylbenzene 8260 BRL 2 BRL BRL 0.086 2.1 156 3Styrene 8260 BRL BRL BRL BRL BRL BRL 3128 2.2tert-Butylbenzene 8260 BRL 0.067 BRL BRL 0.0087 0.083 156 34-Chlorotoluene 8260 BRL BRL BRL BRL BRL BRL NMSCC NMSCCEthylbenzene 8260 BRL0.55BRL BRL0.0028J 0.371560 0.24Isopropyl ether (IPE) 8260 BRL BRL BRL BRL BRL BRL 156 0.37Isopropylbenzene 8260 BRL 0.67 BRL BRL 0.018 0.78 1564 2P-Isopropyltoluene 8260 BRL 1.8 BRL BRL 0.047 1.9 NMSCC NMSCCNaphthalene 8260 BRL4.90.0040J BRL1.4 10313 0.58n-Propylbenzene 8260 BRL 1.4 BRL BRL 0.036 1.4 156 2Toluene 8260 BRL 0.0059 BRL BRL BRL 0.008 3200 71,2,4-Trimethylbenzene 8260 BRL170.0024J BRL 2.623782 81,3,5-Trimethylbenzene 8260 BRL 4.7 BRL BRL 0.175.4782 7Total Xylenes 8260 BRL 1.45 BRL BRL 0.0136J 4.1 32000 5MTBE 8260 BRL BRL BRL BRL BRL BRL 213 0.92Methylene chloride 8260 BRL BRL BRL 0.0068 BRL BRL 85 0.02All Other 8260 Parameters8260 BRL BRL BRL BRL BRL BRL NA NA2-Methylnaphthalene8270 BRL10BRL BRL BRL863 1.7Naphthalene8270 BRL2.8BRL BRL BRL2.8313 0.58Phenanthrene8270 BRL 0.13J BRL BRL BRL BRL 469 60Benzo(a)pyrene8270 BRL BRL BRL BRL BRL BRL 0.088 0.091Benzo(b)fluoranthene8270 BRL BRL BRL BRL BRL BRL 0.88 1.2Benzo(k)fluoranthene8270 BRL BRL BRL BRL BRL BRL 9 12Fluoranthene8270 BRL BRL BRL BRL BRL BRL 620 280Pyrene8270 BRL BRL BRL BRL BRL BRL 469 2901-Methylnaphthalene8270 BRL BRL BRL BRL BRL BRL NMSCC NMSCCDibenzofuran8270 BRL 0.33J BRL BRL BRL 0.28J 62 4.7All Other 8270 Parameters8270 BRL BRL BRL BRL BRL BRL NA NAOVA Field Screening (ppm)OVA 100 >1000 15 1 100 200 NA NAmg/kg = parts per million (ppm). MSCC = Maximum Soil Contaminant Concentrations NMSCC= No MSCCBOLD values are above MSCC levels. BRL = Below Reporting Limit NA= Not ApplicableNS=Not Sampled for Parameter J= Estimated ValueCI= Considered ImmobileSample Number and Laboratory Results (mg/kg)TABLE A-2Laboratory Results of Soil Samples Taylor's Gas & Grocery - Kerosene UST System Excavation Closure Samples1610 NC Hwy 61 S., Whitsett, NC APPENDIX B   Laboratory's liability in any claim relating to analyses performed shall be limited to, at laboratory's option, repeating the analysis in question at laboratory's expense, or the refund of the charges paid for performance of said analysis.   2/25/2022 Pyramid Environmental, Inc Mika Trifunovic PO Box 16265 Greensboro, NC, 27416-0265 Ref: Analytical Testing Lab Report Number: 22-049-0013 Client Project Description: Taylor's Grocery 2021-233 Dear Mika Trifunovic: Waypoint Analytical, LLC (Charlotte) received sample(s) on 2/18/2022 for the analyses presented in the following report. The above referenced project has been analyzed per your instructions. The analyses were performed in accordance with the applicable analytical method. The analytical data has been validated using standard quality control measures performed as required by the analytical method. Quality Assurance, method validations, instrumentation maintenance and calibration for all parameters were performed in accordance with guidelines established by the USEPA (including 40 CFR 136 Method Update Rule May 2021) unless otherwise indicated. Certain parameters (chlorine, pH, dissolved oxygen, sulfite...) are required to be analyzed within 15 minutes of sampling. Usually, but not always, any field parameter analyzed at the laboratory is outside of this holding time. Refer to sample analysis time for confirmation of holding time compliance. The results are shown on the attached Report of Analysis(s). Results for solid matrices are reported on an as- received basis unless otherwise indicated. This report shall not be reproduced except in full and relates only to the samples included in this report. Please do not hesitate to contact me or client services if you have any questions or need additional information. Sincerely, Angela D Overcash Senior Project Manager Page 1 of 56 Certification Summary Laboratory ID: WP CNC: Waypoint Analytical Carolina, Inc. (C), Charlotte, NC State Program Lab ID Expiration Date 07/31/202237735State ProgramNorth Carolina 12/31/2022402State ProgramNorth Carolina 07/31/202299012State ProgramSouth Carolina 12/31/202199012State ProgramSouth Carolina Page 1 of 1 00016/22-049-0013 Page 2 of 56 Report Number: Sample Summary Table Client Project Description: 22-049-0013 Taylor's Grocery 2021-233 Lab No Client Sample ID Matrix Date Collected Date Received 02/17/2022 10:00Aqueous 94485 MW-1 02/18/2022 13:40 02/17/2022 11:00Aqueous 94486 MW-2 02/18/2022 13:40 02/17/2022 12:00Aqueous 94487 MW-3 02/18/2022 13:40 02/17/2022 13:00Aqueous 94488 MW-9 02/18/2022 13:40 02/17/2022 15:00Aqueous 94489 RW-1 02/18/2022 13:40 02/17/2022 14:30Aqueous 94490 RW-5 02/18/2022 13:40 02/17/2022 15:30Aqueous 94491 RW-6 02/18/2022 13:40 02/17/2022 14:15Aqueous 94492 SW-1 02/18/2022 13:40 02/17/2022 14:30Aqueous 94493 SW-2 02/18/2022 13:40 Page 3 of 56 Summary of Detected Analytes QualifiersAnalyzedUnitsResult Report Number: Client Sample ID Method Parameters Lab Sample ID 22-049-0013 Report Limit Project:Taylor's Grocery V 94485MW-1 J2.39 02/21/2022 18:426200BAcetoneµg/L 1.80 J0.371 02/21/2022 18:426200Bsec-Butyl benzene µg/L 0.200 0.799 02/21/2022 18:426200BEthylbenzeneµg/L 0.170 J0.339 02/21/2022 18:426200BIsopropylbenzeneµg/L 0.180 J0.863 02/21/2022 18:426200BNaphthaleneµg/L 0.470 J0.207 02/21/2022 18:426200Bn-Propylbenzene µg/L 0.190 J0.313 02/21/2022 18:426200Bo-Xylene µg/L 0.210 J0.576 02/21/2022 18:426200Bm,p-Xylene µg/L 0.420 J0.889 02/21/2022 18:426200BXylene (Total)µg/L 0.210 V 94488MW-9 2.35 02/23/2022 16:296200Bn-Butylbenzene µg/L 0.180 0.878 02/23/2022 16:296200Bsec-Butyl benzene µg/L 0.200 1.39 02/23/2022 16:296200BEthylbenzeneµg/L 0.170 0.878 02/23/2022 16:296200BIsopropylbenzeneµg/L 0.180 0.608 02/23/2022 16:296200B4-Isopropyl toluene µg/L 0.089 2.60 02/23/2022 16:296200BNaphthaleneµg/L 0.470 3.17 02/23/2022 16:296200Bn-Propylbenzene µg/L 0.190 38.9 02/23/2022 16:296200B1,2,4-Trimethylbenzene µg/L 0.190 9.38 02/23/2022 16:296200B1,3,5-Trimethylbenzene µg/L 0.180 5.34 02/23/2022 16:296200Bo-Xylene µg/L 0.210 20.2 02/23/2022 16:296200Bm,p-Xylene µg/L 0.420 25.5 02/23/2022 16:296200BXylene (Total)µg/L 0.210 V 94489RW-1 1.72 02/23/2022 16:546200BBenzeneµg/L 0.180 2.55 02/23/2022 16:546200Bn-Butylbenzene µg/L 0.180 2.24 02/23/2022 16:546200Bsec-Butyl benzene µg/L 0.200 98.8 02/23/2022 16:546200BEthylbenzeneµg/L 0.170 9.18 02/23/2022 16:546200BIsopropylbenzeneµg/L 0.180 1.23 02/23/2022 16:546200B4-Isopropyl toluene µg/L 0.089 52.1 02/23/2022 16:546200BNaphthaleneµg/L 0.470 19.0 02/23/2022 16:546200Bn-Propylbenzene µg/L 0.190 1.30 02/23/2022 16:546200BStyreneµg/L 0.220 9.88 02/23/2022 16:546200BTolueneµg/L 0.220 66.6 02/23/2022 16:546200B1,2,4-Trimethylbenzene µg/L 0.190 5.22 02/23/2022 16:546200B1,3,5-Trimethylbenzene µg/L 0.180 63.0 02/23/2022 16:546200Bo-Xylene µg/L 0.210 Page 4 of 56 Summary of Detected Analytes QualifiersAnalyzedUnitsResult Report Number: Client Sample ID Method Parameters Lab Sample ID 22-049-0013 Report Limit Project:Taylor's Grocery V 94489RW-1 14.6 02/23/2022 16:546200Bm,p-Xylene µg/L 0.420 77.6 02/23/2022 16:546200BXylene (Total)µg/L 0.210 V 94490RW-5 2.26 02/21/2022 19:566200BBenzeneµg/L 0.180 0.563 02/21/2022 19:566200Bn-Butylbenzene µg/L 0.180 J0.360 02/21/2022 19:566200Bsec-Butyl benzene µg/L 0.200 2.00 02/21/2022 19:566200BEthylbenzeneµg/L 0.170 0.670 02/21/2022 19:566200BIsopropylbenzeneµg/L 0.180 J0.444 02/21/2022 19:566200BMethyl tert-butyl ether (MTBE)µg/L 0.140 2.30 02/21/2022 19:566200BNaphthaleneµg/L 0.470 1.36 02/21/2022 19:566200Bn-Propylbenzene µg/L 0.190 5.66 02/21/2022 19:566200B1,2,4-Trimethylbenzene µg/L 0.190 0.962 02/21/2022 19:566200B1,3,5-Trimethylbenzene µg/L 0.180 J0.375 02/21/2022 19:566200Bo-Xylene µg/L 0.210 2.45 02/21/2022 19:566200Bm,p-Xylene µg/L 0.420 J2.83 02/21/2022 19:566200BXylene (Total)µg/L 0.210 V 94491RW-6 108 02/23/2022 17:426200BBenzeneµg/L 1.80 164 02/23/2022 17:426200BEthylbenzeneµg/L 1.70 J3.10 02/23/2022 17:426200BIsopropylbenzeneµg/L 1.80 96.8 02/23/2022 17:426200BNaphthaleneµg/L 4.70 5.17 02/23/2022 17:426200Bn-Propylbenzene µg/L 1.90 1250 02/23/2022 18:066200BTolueneµg/L 22.0 309 02/23/2022 17:426200B1,2,4-Trimethylbenzene µg/L 1.90 84.6 02/23/2022 17:426200B1,3,5-Trimethylbenzene µg/L 1.80 527 02/23/2022 17:426200Bo-Xylene µg/L 2.10 968 02/23/2022 17:426200Bm,p-Xylene µg/L 4.20 1500 02/23/2022 17:426200BXylene (Total)µg/L 2.10 V 94492SW-1 2.48 02/21/2022 20:206200BMethyl tert-butyl ether (MTBE)µg/L 0.140 V 94493SW-2 J4.30 02/21/2022 20:456200BAcetoneµg/L 1.80 J0.327 02/21/2022 20:456200BEthylbenzeneµg/L 0.170 J0.989 02/21/2022 20:456200BNaphthaleneµg/L 0.470 Page 5 of 56 Summary of Detected Analytes QualifiersAnalyzedUnitsResult Report Number: Client Sample ID Method Parameters Lab Sample ID 22-049-0013 Report Limit Project:Taylor's Grocery V 94493SW-2 0.592 02/21/2022 20:456200B1,2,4-Trimethylbenzene µg/L 0.190 J0.672 02/21/2022 20:456200Bm,p-Xylene µg/L 0.420 J0.672 02/21/2022 20:456200BXylene (Total)µg/L 0.210 Page 6 of 56 , REPORT OF ANALYSISReport Number : Project Information : NC 27416-0265 22-049-0013 01168 Pyramid Environmental, Inc PO Box 16265 Mika Trifunovic Greensboro 2021-233 Received : 02/18/2022 Taylor's Grocery Report Date : 02/25/2022 Sample ID : Lab No : Sampled:MW-1 94485 Matrix: 2/17/2022 10:00 Aqueous Analytical Method: Prep Method: Test Results Units MDL MQL By Analytical Batch Date / Time Analyzed DF 6200 PT 6200B Prep Batch(es):V15209 02/21/22 09:00 2.39 J µg/L 1.80 10.0Acetone 1 02/21/22 18:42 V15210JLB <0.180 µg/L 0.180 0.500Benzene 1 02/21/22 18:42 V15210JLB <0.210 µg/L 0.210 0.500Bromobenzene 1 02/21/22 18:42 V15210JLB <0.420 µg/L 0.420 1.00Bromochloromethane 1 02/21/22 18:42 V15210JLB <0.160 µg/L 0.160 0.500Bromodichloromethane 1 02/21/22 18:42 V15210JLB <1.50 µg/L 1.50 5.00Bromoform 1 02/21/22 18:42 V15210JLB <0.280 µg/L 0.280 1.00Bromomethane 1 02/21/22 18:42 V15210JLB <0.180 µg/L 0.180 0.500n-Butylbenzene 1 02/21/22 18:42 V15210JLB 0.371 J µg/L 0.200 0.500 sec-Butyl benzene 1 02/21/22 18:42 V15210JLB <0.920 µg/L 0.920 2.00tert-Butyl benzene 1 02/21/22 18:42 V15210JLB <0.180 µg/L 0.180 0.500Carbon Tetrachloride 1 02/21/22 18:42 V15210JLB <0.190 µg/L 0.190 0.500Chlorobenzene 1 02/21/22 18:42 V15210JLB <0.190 µg/L 0.190 0.500Chlorodibromomethane 1 02/21/22 18:42 V15210JLB <0.430 µg/L 0.430 1.00Chloroethane 1 02/21/22 18:42 V15210JLB <0.220 µg/L 0.220 0.500Chloroform 1 02/21/22 18:42 V15210JLB <0.220 µg/L 0.220 0.500 Chloromethane 1 02/21/22 18:42 V15210JLB <0.200 µg/L 0.200 0.5002-Chlorotoluene 1 02/21/22 18:42 V15210JLB <0.200 µg/L 0.200 0.5004-Chlorotoluene 1 02/21/22 18:42 V15210JLB <0.500 µg/L 0.500 0.500Di-Isopropyl Ether (DIPE)1 02/21/22 18:42 V15210JLB <1.10 µg/L 1.10 2.001,2-Dibromo-3-Chloropropane 1 02/21/22 18:42 V15210JLB <0.200 µg/L 0.200 0.5001,2-Dibromoethane 1 02/21/22 18:42 V15210JLB <0.230 µg/L 0.230 0.500Dibromomethane 1 02/21/22 18:42 V15210JLB Qualifiers/ Definitions Estimated valueJDilution FactorDF Method Quantitation LimitMQL Page 7 of 56 , REPORT OF ANALYSISReport Number : Project Information : NC 27416-0265 22-049-0013 01168 Pyramid Environmental, Inc PO Box 16265 Mika Trifunovic Greensboro 2021-233 Received : 02/18/2022 Taylor's Grocery Report Date : 02/25/2022 Sample ID : Lab No : Sampled:MW-1 94485 Matrix: 2/17/2022 10:00 Aqueous Analytical Method: Prep Method: Test Results Units MDL MQL By Analytical Batch Date / Time Analyzed DF 6200 PT 6200B Prep Batch(es):V15209 02/21/22 09:00 <0.220 µg/L 0.220 0.5001,2-Dichlorobenzene 1 02/21/22 18:42 V15210JLB <0.190 µg/L 0.190 0.5001,3-Dichlorobenzene 1 02/21/22 18:42 V15210JLB <0.210 µg/L 0.210 0.5001,4-Dichlorobenzene 1 02/21/22 18:42 V15210JLB <1.20 µg/L 1.20 5.00Dichlorodifluoromethane 1 02/21/22 18:42 V15210JLB <0.240 µg/L 0.240 0.5001,1-Dichloroethane 1 02/21/22 18:42 V15210JLB <0.150 µg/L 0.150 0.5001,2-Dichloroethane 1 02/21/22 18:42 V15210JLB <0.150 µg/L 0.150 0.5001,1-Dichloroethene 1 02/21/22 18:42 V15210JLB <0.200 µg/L 0.200 0.500cis-1,2-Dichloroethene 1 02/21/22 18:42 V15210JLB <0.180 µg/L 0.180 0.500 trans-1,2-Dichloroethene 1 02/21/22 18:42 V15210JLB <0.190 µg/L 0.190 0.5001,2-Dichloropropane 1 02/21/22 18:42 V15210JLB <0.130 µg/L 0.130 0.5001,3-Dichloropropane 1 02/21/22 18:42 V15210JLB <0.210 µg/L 0.210 2.002,2-Dichloropropane 1 02/21/22 18:42 V15210JLB <0.200 µg/L 0.200 0.5001,1-Dichloropropene 1 02/21/22 18:42 V15210JLB <0.210 µg/L 0.210 0.500cis-1,3-Dichloropropene 1 02/21/22 18:42 V15210JLB <0.150 µg/L 0.150 0.500trans-1,3-Dichloropropene 1 02/21/22 18:42 V15210JLB <42.0 µg/L 42.0 200 Ethanol 1 02/21/22 18:42 V15210JLB 0.799 µg/L 0.170 0.500Ethylbenzene 1 02/21/22 18:42 V15210JLB <0.350 µg/L 0.350 3.00Hexachlorobutadiene 1 02/21/22 18:42 V15210JLB <0.380 µg/L 0.380 1.002-Hexanone 1 02/21/22 18:42 V15210JLB 0.339 J µg/L 0.180 0.500Isopropylbenzene 1 02/21/22 18:42 V15210JLB <0.089 µg/L 0.089 0.5004-Isopropyl toluene 1 02/21/22 18:42 V15210JLB <0.710 µg/L 0.710 5.00Methyl Ethyl Ketone (MEK)1 02/21/22 18:42 V15210JLB Qualifiers/ Definitions Estimated valueJDilution FactorDF Method Quantitation LimitMQL Page 8 of 56 , REPORT OF ANALYSISReport Number : Project Information : NC 27416-0265 22-049-0013 01168 Pyramid Environmental, Inc PO Box 16265 Mika Trifunovic Greensboro 2021-233 Received : 02/18/2022 Taylor's Grocery Report Date : 02/25/2022 Sample ID : Lab No : Sampled:MW-1 94485 Matrix: 2/17/2022 10:00 Aqueous Analytical Method: Prep Method: Test Results Units MDL MQL By Analytical Batch Date / Time Analyzed DF 6200 PT 6200B Prep Batch(es):V15209 02/21/22 09:00 <0.140 µg/L 0.140 1.00Methyl tert-butyl ether (MTBE)1 02/21/22 18:42 V15210JLB <0.078 µg/L 0.078 1.004-Methyl-2-Pentanone 1 02/21/22 18:42 V15210JLB <0.330 µg/L 0.330 2.00Methylene Chloride 1 02/21/22 18:42 V15210JLB 0.863 J µg/L 0.470 1.00Naphthalene 1 02/21/22 18:42 V15210JLB 0.207 J µg/L 0.190 0.500n-Propylbenzene 1 02/21/22 18:42 V15210JLB <0.220 µg/L 0.220 0.500Styrene 1 02/21/22 18:42 V15210JLB <0.160 µg/L 0.160 0.5001,1,1,2-Tetrachloroethane 1 02/21/22 18:42 V15210JLB <0.160 µg/L 0.160 0.5001,1,2,2-Tetrachloroethane 1 02/21/22 18:42 V15210JLB <0.220 µg/L 0.220 0.500 Tetrachloroethene 1 02/21/22 18:42 V15210JLB <0.220 µg/L 0.220 0.500Toluene 1 02/21/22 18:42 V15210JLB <0.380 µg/L 0.380 0.5001,2,3-Trichlorobenzene 1 02/21/22 18:42 V15210JLB <0.310 µg/L 0.310 0.5001,2,4-Trichlorobenzene 1 02/21/22 18:42 V15210JLB <0.160 µg/L 0.160 0.5001,1,1-Trichloroethane 1 02/21/22 18:42 V15210JLB <0.096 µg/L 0.096 0.5001,1,2-Trichloroethane 1 02/21/22 18:42 V15210JLB <0.180 µg/L 0.180 0.500Trichloroethene 1 02/21/22 18:42 V15210JLB <0.180 µg/L 0.180 0.500 Trichlorofluoromethane 1 02/21/22 18:42 V15210JLB <0.270 µg/L 0.270 0.5001,2,3-Trichloropropane 1 02/21/22 18:42 V15210JLB <0.190 µg/L 0.190 0.5001,2,4-Trimethylbenzene 1 02/21/22 18:42 V15210JLB <0.180 µg/L 0.180 0.5001,3,5-Trimethylbenzene 1 02/21/22 18:42 V15210JLB <1.00 µg/L 1.00 5.00Vinyl Acetate 1 02/21/22 18:42 V15210JLB <0.170 µg/L 0.170 0.500Vinyl Chloride 1 02/21/22 18:42 V15210JLB 0.313 J µg/L 0.210 0.500o-Xylene 1 02/21/22 18:42 V15210JLB Qualifiers/ Definitions Estimated valueJDilution FactorDF Method Quantitation LimitMQL Page 9 of 56 , REPORT OF ANALYSISReport Number : Project Information : NC 27416-0265 22-049-0013 01168 Pyramid Environmental, Inc PO Box 16265 Mika Trifunovic Greensboro 2021-233 Received : 02/18/2022 Taylor's Grocery Report Date : 02/25/2022 Sample ID : Lab No : Sampled:MW-1 94485 Matrix: 2/17/2022 10:00 Aqueous Analytical Method: Prep Method: Test Results Units MDL MQL By Analytical Batch Date / Time Analyzed DF 6200 PT 6200B Prep Batch(es):V15209 02/21/22 09:00 0.576 J µg/L 0.420 1.00m,p-Xylene 1 02/21/22 18:42 V15210JLB 0.889 J µg/L 0.210 0.500Xylene (Total)1 02/21/22 18:42 V15210 Surrogate: 4-Bromofluorobenzene 104 Limits: 70-130%02/21/22 18:421 JLB V15210 Surrogate: Dibromofluoromethane 101 Limits: 70-130%02/21/22 18:421 JLB V15210 Surrogate: 1,2-Dichloroethane - d4 98.6 Limits: 70-130%02/21/22 18:421 JLB V15210 Surrogate: Toluene-d8 101 Limits: 70-130%02/21/22 18:421 JLB V15210 Qualifiers/ Definitions Estimated valueJDilution FactorDF Method Quantitation LimitMQL Page 10 of 56 , REPORT OF ANALYSISReport Number : Project Information : NC 27416-0265 22-049-0013 01168 Pyramid Environmental, Inc PO Box 16265 Mika Trifunovic Greensboro 2021-233 Received : 02/18/2022 Taylor's Grocery Report Date : 02/25/2022 Sample ID : Lab No : Sampled:MW-2 94486 Matrix: 2/17/2022 11:00 Aqueous Analytical Method: Prep Method: Test Results Units MDL MQL By Analytical Batch Date / Time Analyzed DF 6200 PT 6200B Prep Batch(es):V15209 02/21/22 09:00 <1.80 µg/L 1.80 10.0Acetone 1 02/21/22 19:07 V15210JLB <0.180 µg/L 0.180 0.500Benzene 1 02/21/22 19:07 V15210JLB <0.210 µg/L 0.210 0.500Bromobenzene 1 02/21/22 19:07 V15210JLB <0.420 µg/L 0.420 1.00Bromochloromethane 1 02/21/22 19:07 V15210JLB <0.160 µg/L 0.160 0.500Bromodichloromethane 1 02/21/22 19:07 V15210JLB <1.50 µg/L 1.50 5.00Bromoform 1 02/21/22 19:07 V15210JLB <0.280 µg/L 0.280 1.00Bromomethane 1 02/21/22 19:07 V15210JLB <0.180 µg/L 0.180 0.500n-Butylbenzene 1 02/21/22 19:07 V15210JLB <0.200 µg/L 0.200 0.500 sec-Butyl benzene 1 02/21/22 19:07 V15210JLB <0.920 µg/L 0.920 2.00tert-Butyl benzene 1 02/21/22 19:07 V15210JLB <0.180 µg/L 0.180 0.500Carbon Tetrachloride 1 02/21/22 19:07 V15210JLB <0.190 µg/L 0.190 0.500Chlorobenzene 1 02/21/22 19:07 V15210JLB <0.190 µg/L 0.190 0.500Chlorodibromomethane 1 02/21/22 19:07 V15210JLB <0.430 µg/L 0.430 1.00Chloroethane 1 02/21/22 19:07 V15210JLB <0.220 µg/L 0.220 0.500Chloroform 1 02/21/22 19:07 V15210JLB <0.220 µg/L 0.220 0.500 Chloromethane 1 02/21/22 19:07 V15210JLB <0.200 µg/L 0.200 0.5002-Chlorotoluene 1 02/21/22 19:07 V15210JLB <0.200 µg/L 0.200 0.5004-Chlorotoluene 1 02/21/22 19:07 V15210JLB <0.500 µg/L 0.500 0.500Di-Isopropyl Ether (DIPE)1 02/21/22 19:07 V15210JLB <1.10 µg/L 1.10 2.001,2-Dibromo-3-Chloropropane 1 02/21/22 19:07 V15210JLB <0.200 µg/L 0.200 0.5001,2-Dibromoethane 1 02/21/22 19:07 V15210JLB <0.230 µg/L 0.230 0.500Dibromomethane 1 02/21/22 19:07 V15210JLB Qualifiers/ Definitions Estimated valueJDilution FactorDF Method Quantitation LimitMQL Page 11 of 56 , REPORT OF ANALYSISReport Number : Project Information : NC 27416-0265 22-049-0013 01168 Pyramid Environmental, Inc PO Box 16265 Mika Trifunovic Greensboro 2021-233 Received : 02/18/2022 Taylor's Grocery Report Date : 02/25/2022 Sample ID : Lab No : Sampled:MW-2 94486 Matrix: 2/17/2022 11:00 Aqueous Analytical Method: Prep Method: Test Results Units MDL MQL By Analytical Batch Date / Time Analyzed DF 6200 PT 6200B Prep Batch(es):V15209 02/21/22 09:00 <0.220 µg/L 0.220 0.5001,2-Dichlorobenzene 1 02/21/22 19:07 V15210JLB <0.190 µg/L 0.190 0.5001,3-Dichlorobenzene 1 02/21/22 19:07 V15210JLB <0.210 µg/L 0.210 0.5001,4-Dichlorobenzene 1 02/21/22 19:07 V15210JLB <1.20 µg/L 1.20 5.00Dichlorodifluoromethane 1 02/21/22 19:07 V15210JLB <0.240 µg/L 0.240 0.5001,1-Dichloroethane 1 02/21/22 19:07 V15210JLB <0.150 µg/L 0.150 0.5001,2-Dichloroethane 1 02/21/22 19:07 V15210JLB <0.150 µg/L 0.150 0.5001,1-Dichloroethene 1 02/21/22 19:07 V15210JLB <0.200 µg/L 0.200 0.500cis-1,2-Dichloroethene 1 02/21/22 19:07 V15210JLB <0.180 µg/L 0.180 0.500 trans-1,2-Dichloroethene 1 02/21/22 19:07 V15210JLB <0.190 µg/L 0.190 0.5001,2-Dichloropropane 1 02/21/22 19:07 V15210JLB <0.130 µg/L 0.130 0.5001,3-Dichloropropane 1 02/21/22 19:07 V15210JLB <0.210 µg/L 0.210 2.002,2-Dichloropropane 1 02/21/22 19:07 V15210JLB <0.200 µg/L 0.200 0.5001,1-Dichloropropene 1 02/21/22 19:07 V15210JLB <0.210 µg/L 0.210 0.500cis-1,3-Dichloropropene 1 02/21/22 19:07 V15210JLB <0.150 µg/L 0.150 0.500trans-1,3-Dichloropropene 1 02/21/22 19:07 V15210JLB <42.0 µg/L 42.0 200 Ethanol 1 02/21/22 19:07 V15210JLB <0.170 µg/L 0.170 0.500Ethylbenzene 1 02/21/22 19:07 V15210JLB <0.350 µg/L 0.350 3.00Hexachlorobutadiene 1 02/21/22 19:07 V15210JLB <0.380 µg/L 0.380 1.002-Hexanone 1 02/21/22 19:07 V15210JLB <0.180 µg/L 0.180 0.500Isopropylbenzene 1 02/21/22 19:07 V15210JLB <0.089 µg/L 0.089 0.5004-Isopropyl toluene 1 02/21/22 19:07 V15210JLB <0.710 µg/L 0.710 5.00Methyl Ethyl Ketone (MEK)1 02/21/22 19:07 V15210JLB Qualifiers/ Definitions Estimated valueJDilution FactorDF Method Quantitation LimitMQL Page 12 of 56 , REPORT OF ANALYSISReport Number : Project Information : NC 27416-0265 22-049-0013 01168 Pyramid Environmental, Inc PO Box 16265 Mika Trifunovic Greensboro 2021-233 Received : 02/18/2022 Taylor's Grocery Report Date : 02/25/2022 Sample ID : Lab No : Sampled:MW-2 94486 Matrix: 2/17/2022 11:00 Aqueous Analytical Method: Prep Method: Test Results Units MDL MQL By Analytical Batch Date / Time Analyzed DF 6200 PT 6200B Prep Batch(es):V15209 02/21/22 09:00 <0.140 µg/L 0.140 1.00Methyl tert-butyl ether (MTBE)1 02/21/22 19:07 V15210JLB <0.078 µg/L 0.078 1.004-Methyl-2-Pentanone 1 02/21/22 19:07 V15210JLB <0.330 µg/L 0.330 2.00Methylene Chloride 1 02/21/22 19:07 V15210JLB <0.470 µg/L 0.470 1.00Naphthalene 1 02/21/22 19:07 V15210JLB <0.190 µg/L 0.190 0.500n-Propylbenzene 1 02/21/22 19:07 V15210JLB <0.220 µg/L 0.220 0.500Styrene 1 02/21/22 19:07 V15210JLB <0.160 µg/L 0.160 0.5001,1,1,2-Tetrachloroethane 1 02/21/22 19:07 V15210JLB <0.160 µg/L 0.160 0.5001,1,2,2-Tetrachloroethane 1 02/21/22 19:07 V15210JLB <0.220 µg/L 0.220 0.500 Tetrachloroethene 1 02/21/22 19:07 V15210JLB <0.220 µg/L 0.220 0.500Toluene 1 02/21/22 19:07 V15210JLB <0.380 µg/L 0.380 0.5001,2,3-Trichlorobenzene 1 02/21/22 19:07 V15210JLB <0.310 µg/L 0.310 0.5001,2,4-Trichlorobenzene 1 02/21/22 19:07 V15210JLB <0.160 µg/L 0.160 0.5001,1,1-Trichloroethane 1 02/21/22 19:07 V15210JLB <0.096 µg/L 0.096 0.5001,1,2-Trichloroethane 1 02/21/22 19:07 V15210JLB <0.180 µg/L 0.180 0.500Trichloroethene 1 02/21/22 19:07 V15210JLB <0.180 µg/L 0.180 0.500 Trichlorofluoromethane 1 02/21/22 19:07 V15210JLB <0.270 µg/L 0.270 0.5001,2,3-Trichloropropane 1 02/21/22 19:07 V15210JLB <0.190 µg/L 0.190 0.5001,2,4-Trimethylbenzene 1 02/21/22 19:07 V15210JLB <0.180 µg/L 0.180 0.5001,3,5-Trimethylbenzene 1 02/21/22 19:07 V15210JLB <1.00 µg/L 1.00 5.00Vinyl Acetate 1 02/21/22 19:07 V15210JLB <0.170 µg/L 0.170 0.500Vinyl Chloride 1 02/21/22 19:07 V15210JLB <0.210 µg/L 0.210 0.500o-Xylene 1 02/21/22 19:07 V15210JLB Qualifiers/ Definitions Estimated valueJDilution FactorDF Method Quantitation LimitMQL Page 13 of 56 , REPORT OF ANALYSISReport Number : Project Information : NC 27416-0265 22-049-0013 01168 Pyramid Environmental, Inc PO Box 16265 Mika Trifunovic Greensboro 2021-233 Received : 02/18/2022 Taylor's Grocery Report Date : 02/25/2022 Sample ID : Lab No : Sampled:MW-2 94486 Matrix: 2/17/2022 11:00 Aqueous Analytical Method: Prep Method: Test Results Units MDL MQL By Analytical Batch Date / Time Analyzed DF 6200 PT 6200B Prep Batch(es):V15209 02/21/22 09:00 <0.420 µg/L 0.420 1.00m,p-Xylene 1 02/21/22 19:07 V15210JLB <0.21 µg/L 0.210 0.500Xylene (Total)1 02/21/22 19:07 V15210 Surrogate: 4-Bromofluorobenzene 103 Limits: 70-130%02/21/22 19:071 JLB V15210 Surrogate: Dibromofluoromethane 97.2 Limits: 70-130%02/21/22 19:071 JLB V15210 Surrogate: 1,2-Dichloroethane - d4 96.8 Limits: 70-130%02/21/22 19:071 JLB V15210 Surrogate: Toluene-d8 101 Limits: 70-130%02/21/22 19:071 JLB V15210 Qualifiers/ Definitions Estimated valueJDilution FactorDF Method Quantitation LimitMQL Page 14 of 56 , REPORT OF ANALYSISReport Number : Project Information : NC 27416-0265 22-049-0013 01168 Pyramid Environmental, Inc PO Box 16265 Mika Trifunovic Greensboro 2021-233 Received : 02/18/2022 Taylor's Grocery Report Date : 02/25/2022 Sample ID : Lab No : Sampled:MW-3 94487 Matrix: 2/17/2022 12:00 Aqueous Analytical Method: Prep Method: Test Results Units MDL MQL By Analytical Batch Date / Time Analyzed DF 6200 PT 6200B Prep Batch(es):V15209 02/21/22 09:00 <1.80 µg/L 1.80 10.0Acetone 1 02/21/22 19:31 V15210JLB <0.180 µg/L 0.180 0.500Benzene 1 02/21/22 19:31 V15210JLB <0.210 µg/L 0.210 0.500Bromobenzene 1 02/21/22 19:31 V15210JLB <0.420 µg/L 0.420 1.00Bromochloromethane 1 02/21/22 19:31 V15210JLB <0.160 µg/L 0.160 0.500Bromodichloromethane 1 02/21/22 19:31 V15210JLB <1.50 µg/L 1.50 5.00Bromoform 1 02/21/22 19:31 V15210JLB <0.280 µg/L 0.280 1.00Bromomethane 1 02/21/22 19:31 V15210JLB <0.180 µg/L 0.180 0.500n-Butylbenzene 1 02/21/22 19:31 V15210JLB <0.200 µg/L 0.200 0.500 sec-Butyl benzene 1 02/21/22 19:31 V15210JLB <0.920 µg/L 0.920 2.00tert-Butyl benzene 1 02/21/22 19:31 V15210JLB <0.180 µg/L 0.180 0.500Carbon Tetrachloride 1 02/21/22 19:31 V15210JLB <0.190 µg/L 0.190 0.500Chlorobenzene 1 02/21/22 19:31 V15210JLB <0.190 µg/L 0.190 0.500Chlorodibromomethane 1 02/21/22 19:31 V15210JLB <0.430 µg/L 0.430 1.00Chloroethane 1 02/21/22 19:31 V15210JLB <0.220 µg/L 0.220 0.500Chloroform 1 02/21/22 19:31 V15210JLB <0.220 µg/L 0.220 0.500 Chloromethane 1 02/21/22 19:31 V15210JLB <0.200 µg/L 0.200 0.5002-Chlorotoluene 1 02/21/22 19:31 V15210JLB <0.200 µg/L 0.200 0.5004-Chlorotoluene 1 02/21/22 19:31 V15210JLB <0.500 µg/L 0.500 0.500Di-Isopropyl Ether (DIPE)1 02/21/22 19:31 V15210JLB <1.10 µg/L 1.10 2.001,2-Dibromo-3-Chloropropane 1 02/21/22 19:31 V15210JLB <0.200 µg/L 0.200 0.5001,2-Dibromoethane 1 02/21/22 19:31 V15210JLB <0.230 µg/L 0.230 0.500Dibromomethane 1 02/21/22 19:31 V15210JLB Qualifiers/ Definitions Estimated valueJDilution FactorDF Method Quantitation LimitMQL Page 15 of 56 , REPORT OF ANALYSISReport Number : Project Information : NC 27416-0265 22-049-0013 01168 Pyramid Environmental, Inc PO Box 16265 Mika Trifunovic Greensboro 2021-233 Received : 02/18/2022 Taylor's Grocery Report Date : 02/25/2022 Sample ID : Lab No : Sampled:MW-3 94487 Matrix: 2/17/2022 12:00 Aqueous Analytical Method: Prep Method: Test Results Units MDL MQL By Analytical Batch Date / Time Analyzed DF 6200 PT 6200B Prep Batch(es):V15209 02/21/22 09:00 <0.220 µg/L 0.220 0.5001,2-Dichlorobenzene 1 02/21/22 19:31 V15210JLB <0.190 µg/L 0.190 0.5001,3-Dichlorobenzene 1 02/21/22 19:31 V15210JLB <0.210 µg/L 0.210 0.5001,4-Dichlorobenzene 1 02/21/22 19:31 V15210JLB <1.20 µg/L 1.20 5.00Dichlorodifluoromethane 1 02/21/22 19:31 V15210JLB <0.240 µg/L 0.240 0.5001,1-Dichloroethane 1 02/21/22 19:31 V15210JLB <0.150 µg/L 0.150 0.5001,2-Dichloroethane 1 02/21/22 19:31 V15210JLB <0.150 µg/L 0.150 0.5001,1-Dichloroethene 1 02/21/22 19:31 V15210JLB <0.200 µg/L 0.200 0.500cis-1,2-Dichloroethene 1 02/21/22 19:31 V15210JLB <0.180 µg/L 0.180 0.500 trans-1,2-Dichloroethene 1 02/21/22 19:31 V15210JLB <0.190 µg/L 0.190 0.5001,2-Dichloropropane 1 02/21/22 19:31 V15210JLB <0.130 µg/L 0.130 0.5001,3-Dichloropropane 1 02/21/22 19:31 V15210JLB <0.210 µg/L 0.210 2.002,2-Dichloropropane 1 02/21/22 19:31 V15210JLB <0.200 µg/L 0.200 0.5001,1-Dichloropropene 1 02/21/22 19:31 V15210JLB <0.210 µg/L 0.210 0.500cis-1,3-Dichloropropene 1 02/21/22 19:31 V15210JLB <0.150 µg/L 0.150 0.500trans-1,3-Dichloropropene 1 02/21/22 19:31 V15210JLB <42.0 µg/L 42.0 200 Ethanol 1 02/21/22 19:31 V15210JLB <0.170 µg/L 0.170 0.500Ethylbenzene 1 02/21/22 19:31 V15210JLB <0.350 µg/L 0.350 3.00Hexachlorobutadiene 1 02/21/22 19:31 V15210JLB <0.380 µg/L 0.380 1.002-Hexanone 1 02/21/22 19:31 V15210JLB <0.180 µg/L 0.180 0.500Isopropylbenzene 1 02/21/22 19:31 V15210JLB <0.089 µg/L 0.089 0.5004-Isopropyl toluene 1 02/21/22 19:31 V15210JLB <0.710 µg/L 0.710 5.00Methyl Ethyl Ketone (MEK)1 02/21/22 19:31 V15210JLB Qualifiers/ Definitions Estimated valueJDilution FactorDF Method Quantitation LimitMQL Page 16 of 56 , REPORT OF ANALYSISReport Number : Project Information : NC 27416-0265 22-049-0013 01168 Pyramid Environmental, Inc PO Box 16265 Mika Trifunovic Greensboro 2021-233 Received : 02/18/2022 Taylor's Grocery Report Date : 02/25/2022 Sample ID : Lab No : Sampled:MW-3 94487 Matrix: 2/17/2022 12:00 Aqueous Analytical Method: Prep Method: Test Results Units MDL MQL By Analytical Batch Date / Time Analyzed DF 6200 PT 6200B Prep Batch(es):V15209 02/21/22 09:00 <0.140 µg/L 0.140 1.00Methyl tert-butyl ether (MTBE)1 02/21/22 19:31 V15210JLB <0.078 µg/L 0.078 1.004-Methyl-2-Pentanone 1 02/21/22 19:31 V15210JLB <0.330 µg/L 0.330 2.00Methylene Chloride 1 02/21/22 19:31 V15210JLB <0.470 µg/L 0.470 1.00Naphthalene 1 02/21/22 19:31 V15210JLB <0.190 µg/L 0.190 0.500n-Propylbenzene 1 02/21/22 19:31 V15210JLB <0.220 µg/L 0.220 0.500Styrene 1 02/21/22 19:31 V15210JLB <0.160 µg/L 0.160 0.5001,1,1,2-Tetrachloroethane 1 02/21/22 19:31 V15210JLB <0.160 µg/L 0.160 0.5001,1,2,2-Tetrachloroethane 1 02/21/22 19:31 V15210JLB <0.220 µg/L 0.220 0.500 Tetrachloroethene 1 02/21/22 19:31 V15210JLB <0.220 µg/L 0.220 0.500Toluene 1 02/21/22 19:31 V15210JLB <0.380 µg/L 0.380 0.5001,2,3-Trichlorobenzene 1 02/21/22 19:31 V15210JLB <0.310 µg/L 0.310 0.5001,2,4-Trichlorobenzene 1 02/21/22 19:31 V15210JLB <0.160 µg/L 0.160 0.5001,1,1-Trichloroethane 1 02/21/22 19:31 V15210JLB <0.096 µg/L 0.096 0.5001,1,2-Trichloroethane 1 02/21/22 19:31 V15210JLB <0.180 µg/L 0.180 0.500Trichloroethene 1 02/21/22 19:31 V15210JLB <0.180 µg/L 0.180 0.500 Trichlorofluoromethane 1 02/21/22 19:31 V15210JLB <0.270 µg/L 0.270 0.5001,2,3-Trichloropropane 1 02/21/22 19:31 V15210JLB <0.190 µg/L 0.190 0.5001,2,4-Trimethylbenzene 1 02/21/22 19:31 V15210JLB <0.180 µg/L 0.180 0.5001,3,5-Trimethylbenzene 1 02/21/22 19:31 V15210JLB <1.00 µg/L 1.00 5.00Vinyl Acetate 1 02/21/22 19:31 V15210JLB <0.170 µg/L 0.170 0.500Vinyl Chloride 1 02/21/22 19:31 V15210JLB <0.210 µg/L 0.210 0.500o-Xylene 1 02/21/22 19:31 V15210JLB Qualifiers/ Definitions Estimated valueJDilution FactorDF Method Quantitation LimitMQL Page 17 of 56 , REPORT OF ANALYSISReport Number : Project Information : NC 27416-0265 22-049-0013 01168 Pyramid Environmental, Inc PO Box 16265 Mika Trifunovic Greensboro 2021-233 Received : 02/18/2022 Taylor's Grocery Report Date : 02/25/2022 Sample ID : Lab No : Sampled:MW-3 94487 Matrix: 2/17/2022 12:00 Aqueous Analytical Method: Prep Method: Test Results Units MDL MQL By Analytical Batch Date / Time Analyzed DF 6200 PT 6200B Prep Batch(es):V15209 02/21/22 09:00 <0.420 µg/L 0.420 1.00m,p-Xylene 1 02/21/22 19:31 V15210JLB <0.21 µg/L 0.210 0.500Xylene (Total)1 02/21/22 19:31 V15210 Surrogate: 4-Bromofluorobenzene 101 Limits: 70-130%02/21/22 19:311 JLB V15210 Surrogate: Dibromofluoromethane 99.0 Limits: 70-130%02/21/22 19:311 JLB V15210 Surrogate: 1,2-Dichloroethane - d4 101 Limits: 70-130%02/21/22 19:311 JLB V15210 Surrogate: Toluene-d8 101 Limits: 70-130%02/21/22 19:311 JLB V15210 Qualifiers/ Definitions Estimated valueJDilution FactorDF Method Quantitation LimitMQL Page 18 of 56 , REPORT OF ANALYSISReport Number : Project Information : NC 27416-0265 22-049-0013 01168 Pyramid Environmental, Inc PO Box 16265 Mika Trifunovic Greensboro 2021-233 Received : 02/18/2022 Taylor's Grocery Report Date : 02/25/2022 Sample ID : Lab No : Sampled:MW-9 94488 Matrix: 2/17/2022 13:00 Aqueous Analytical Method: Prep Method: Test Results Units MDL MQL By Analytical Batch Date / Time Analyzed DF 6200 PT 6200B Prep Batch(es):V15326 02/23/22 09:00 <1.80 µg/L 1.80 10.0Acetone 1 02/23/22 16:29 V15327JLB <0.180 µg/L 0.180 0.500Benzene 1 02/23/22 16:29 V15327JLB <0.210 µg/L 0.210 0.500Bromobenzene 1 02/23/22 16:29 V15327JLB <0.420 µg/L 0.420 1.00Bromochloromethane 1 02/23/22 16:29 V15327JLB <0.160 µg/L 0.160 0.500Bromodichloromethane 1 02/23/22 16:29 V15327JLB <1.50 µg/L 1.50 5.00Bromoform 1 02/23/22 16:29 V15327JLB <0.280 µg/L 0.280 1.00Bromomethane 1 02/23/22 16:29 V15327JLB 2.35 µg/L 0.180 0.500n-Butylbenzene 1 02/23/22 16:29 V15327JLB 0.878 µg/L 0.200 0.500 sec-Butyl benzene 1 02/23/22 16:29 V15327JLB <0.920 µg/L 0.920 2.00tert-Butyl benzene 1 02/23/22 16:29 V15327JLB <0.180 µg/L 0.180 0.500Carbon Tetrachloride 1 02/23/22 16:29 V15327JLB <0.190 µg/L 0.190 0.500Chlorobenzene 1 02/23/22 16:29 V15327JLB <0.190 µg/L 0.190 0.500Chlorodibromomethane 1 02/23/22 16:29 V15327JLB <0.430 µg/L 0.430 1.00Chloroethane 1 02/23/22 16:29 V15327JLB <0.220 µg/L 0.220 0.500Chloroform 1 02/23/22 16:29 V15327JLB <0.220 µg/L 0.220 0.500 Chloromethane 1 02/23/22 16:29 V15327JLB <0.200 µg/L 0.200 0.5002-Chlorotoluene 1 02/23/22 16:29 V15327JLB <0.200 µg/L 0.200 0.5004-Chlorotoluene 1 02/23/22 16:29 V15327JLB <0.500 µg/L 0.500 0.500Di-Isopropyl Ether (DIPE)1 02/23/22 16:29 V15327JLB <1.10 µg/L 1.10 2.001,2-Dibromo-3-Chloropropane 1 02/23/22 16:29 V15327JLB <0.200 µg/L 0.200 0.5001,2-Dibromoethane 1 02/23/22 16:29 V15327JLB <0.230 µg/L 0.230 0.500Dibromomethane 1 02/23/22 16:29 V15327JLB Qualifiers/ Definitions Estimated valueJDilution FactorDF Method Quantitation LimitMQL Page 19 of 56 , REPORT OF ANALYSISReport Number : Project Information : NC 27416-0265 22-049-0013 01168 Pyramid Environmental, Inc PO Box 16265 Mika Trifunovic Greensboro 2021-233 Received : 02/18/2022 Taylor's Grocery Report Date : 02/25/2022 Sample ID : Lab No : Sampled:MW-9 94488 Matrix: 2/17/2022 13:00 Aqueous Analytical Method: Prep Method: Test Results Units MDL MQL By Analytical Batch Date / Time Analyzed DF 6200 PT 6200B Prep Batch(es):V15326 02/23/22 09:00 <0.220 µg/L 0.220 0.5001,2-Dichlorobenzene 1 02/23/22 16:29 V15327JLB <0.190 µg/L 0.190 0.5001,3-Dichlorobenzene 1 02/23/22 16:29 V15327JLB <0.210 µg/L 0.210 0.5001,4-Dichlorobenzene 1 02/23/22 16:29 V15327JLB <1.20 µg/L 1.20 5.00Dichlorodifluoromethane 1 02/23/22 16:29 V15327JLB <0.240 µg/L 0.240 0.5001,1-Dichloroethane 1 02/23/22 16:29 V15327JLB <0.150 µg/L 0.150 0.5001,2-Dichloroethane 1 02/23/22 16:29 V15327JLB <0.150 µg/L 0.150 0.5001,1-Dichloroethene 1 02/23/22 16:29 V15327JLB <0.200 µg/L 0.200 0.500cis-1,2-Dichloroethene 1 02/23/22 16:29 V15327JLB <0.180 µg/L 0.180 0.500 trans-1,2-Dichloroethene 1 02/23/22 16:29 V15327JLB <0.190 µg/L 0.190 0.5001,2-Dichloropropane 1 02/23/22 16:29 V15327JLB <0.130 µg/L 0.130 0.5001,3-Dichloropropane 1 02/23/22 16:29 V15327JLB <0.210 µg/L 0.210 2.002,2-Dichloropropane 1 02/23/22 16:29 V15327JLB <0.200 µg/L 0.200 0.5001,1-Dichloropropene 1 02/23/22 16:29 V15327JLB <0.210 µg/L 0.210 0.500cis-1,3-Dichloropropene 1 02/23/22 16:29 V15327JLB <0.150 µg/L 0.150 0.500trans-1,3-Dichloropropene 1 02/23/22 16:29 V15327JLB <42.0 µg/L 42.0 200 Ethanol 1 02/23/22 16:29 V15327JLB 1.39 µg/L 0.170 0.500Ethylbenzene 1 02/23/22 16:29 V15327JLB <0.350 µg/L 0.350 3.00Hexachlorobutadiene 1 02/23/22 16:29 V15327JLB <0.380 µg/L 0.380 1.002-Hexanone 1 02/23/22 16:29 V15327JLB 0.878 µg/L 0.180 0.500Isopropylbenzene 1 02/23/22 16:29 V15327JLB 0.608 µg/L 0.089 0.5004-Isopropyl toluene 1 02/23/22 16:29 V15327JLB <0.710 µg/L 0.710 5.00Methyl Ethyl Ketone (MEK)1 02/23/22 16:29 V15327JLB Qualifiers/ Definitions Estimated valueJDilution FactorDF Method Quantitation LimitMQL Page 20 of 56 , REPORT OF ANALYSISReport Number : Project Information : NC 27416-0265 22-049-0013 01168 Pyramid Environmental, Inc PO Box 16265 Mika Trifunovic Greensboro 2021-233 Received : 02/18/2022 Taylor's Grocery Report Date : 02/25/2022 Sample ID : Lab No : Sampled:MW-9 94488 Matrix: 2/17/2022 13:00 Aqueous Analytical Method: Prep Method: Test Results Units MDL MQL By Analytical Batch Date / Time Analyzed DF 6200 PT 6200B Prep Batch(es):V15326 02/23/22 09:00 <0.140 µg/L 0.140 1.00Methyl tert-butyl ether (MTBE)1 02/23/22 16:29 V15327JLB <0.078 µg/L 0.078 1.004-Methyl-2-Pentanone 1 02/23/22 16:29 V15327JLB <0.330 µg/L 0.330 2.00Methylene Chloride 1 02/23/22 16:29 V15327JLB 2.60 µg/L 0.470 1.00Naphthalene 1 02/23/22 16:29 V15327JLB 3.17 µg/L 0.190 0.500n-Propylbenzene 1 02/23/22 16:29 V15327JLB <0.220 µg/L 0.220 0.500Styrene 1 02/23/22 16:29 V15327JLB <0.160 µg/L 0.160 0.5001,1,1,2-Tetrachloroethane 1 02/23/22 16:29 V15327JLB <0.160 µg/L 0.160 0.5001,1,2,2-Tetrachloroethane 1 02/23/22 16:29 V15327JLB <0.220 µg/L 0.220 0.500 Tetrachloroethene 1 02/23/22 16:29 V15327JLB <0.220 µg/L 0.220 0.500Toluene 1 02/23/22 16:29 V15327JLB <0.380 µg/L 0.380 0.5001,2,3-Trichlorobenzene 1 02/23/22 16:29 V15327JLB <0.310 µg/L 0.310 0.5001,2,4-Trichlorobenzene 1 02/23/22 16:29 V15327JLB <0.160 µg/L 0.160 0.5001,1,1-Trichloroethane 1 02/23/22 16:29 V15327JLB <0.096 µg/L 0.096 0.5001,1,2-Trichloroethane 1 02/23/22 16:29 V15327JLB <0.180 µg/L 0.180 0.500Trichloroethene 1 02/23/22 16:29 V15327JLB <0.180 µg/L 0.180 0.500 Trichlorofluoromethane 1 02/23/22 16:29 V15327JLB <0.270 µg/L 0.270 0.5001,2,3-Trichloropropane 1 02/23/22 16:29 V15327JLB 38.9 µg/L 0.190 0.5001,2,4-Trimethylbenzene 1 02/23/22 16:29 V15327JLB 9.38 µg/L 0.180 0.5001,3,5-Trimethylbenzene 1 02/23/22 16:29 V15327JLB <1.00 µg/L 1.00 5.00Vinyl Acetate 1 02/23/22 16:29 V15327JLB <0.170 µg/L 0.170 0.500Vinyl Chloride 1 02/23/22 16:29 V15327JLB 5.34 µg/L 0.210 0.500o-Xylene 1 02/23/22 16:29 V15327JLB Qualifiers/ Definitions Estimated valueJDilution FactorDF Method Quantitation LimitMQL Page 21 of 56 , REPORT OF ANALYSISReport Number : Project Information : NC 27416-0265 22-049-0013 01168 Pyramid Environmental, Inc PO Box 16265 Mika Trifunovic Greensboro 2021-233 Received : 02/18/2022 Taylor's Grocery Report Date : 02/25/2022 Sample ID : Lab No : Sampled:MW-9 94488 Matrix: 2/17/2022 13:00 Aqueous Analytical Method: Prep Method: Test Results Units MDL MQL By Analytical Batch Date / Time Analyzed DF 6200 PT 6200B Prep Batch(es):V15326 02/23/22 09:00 20.2 µg/L 0.420 1.00m,p-Xylene 1 02/23/22 16:29 V15327JLB 25.5 µg/L 0.210 0.500Xylene (Total)1 02/23/22 16:29 V15327 Surrogate: 4-Bromofluorobenzene 106 Limits: 70-130%02/23/22 16:291 JLB V15327 Surrogate: Dibromofluoromethane 99.4 Limits: 70-130%02/23/22 16:291 JLB V15327 Surrogate: 1,2-Dichloroethane - d4 97.4 Limits: 70-130%02/23/22 16:291 JLB V15327 Surrogate: Toluene-d8 96.8 Limits: 70-130%02/23/22 16:291 JLB V15327 Qualifiers/ Definitions Estimated valueJDilution FactorDF Method Quantitation LimitMQL Page 22 of 56 , REPORT OF ANALYSISReport Number : Project Information : NC 27416-0265 22-049-0013 01168 Pyramid Environmental, Inc PO Box 16265 Mika Trifunovic Greensboro 2021-233 Received : 02/18/2022 Taylor's Grocery Report Date : 02/25/2022 Sample ID : Lab No : Sampled:RW-1 94489 Matrix: 2/17/2022 15:00 Aqueous Analytical Method: Prep Method: Test Results Units MDL MQL By Analytical Batch Date / Time Analyzed DF 6200 PT 6200B Prep Batch(es):V15326 02/23/22 09:00 <1.80 µg/L 1.80 10.0Acetone 1 02/23/22 16:54 V15327JLB 1.72 µg/L 0.180 0.500Benzene 1 02/23/22 16:54 V15327JLB <0.210 µg/L 0.210 0.500Bromobenzene 1 02/23/22 16:54 V15327JLB <0.420 µg/L 0.420 1.00Bromochloromethane 1 02/23/22 16:54 V15327JLB <0.160 µg/L 0.160 0.500Bromodichloromethane 1 02/23/22 16:54 V15327JLB <1.50 µg/L 1.50 5.00Bromoform 1 02/23/22 16:54 V15327JLB <0.280 µg/L 0.280 1.00Bromomethane 1 02/23/22 16:54 V15327JLB 2.55 µg/L 0.180 0.500n-Butylbenzene 1 02/23/22 16:54 V15327JLB 2.24 µg/L 0.200 0.500 sec-Butyl benzene 1 02/23/22 16:54 V15327JLB <0.920 µg/L 0.920 2.00tert-Butyl benzene 1 02/23/22 16:54 V15327JLB <0.180 µg/L 0.180 0.500Carbon Tetrachloride 1 02/23/22 16:54 V15327JLB <0.190 µg/L 0.190 0.500Chlorobenzene 1 02/23/22 16:54 V15327JLB <0.190 µg/L 0.190 0.500Chlorodibromomethane 1 02/23/22 16:54 V15327JLB <0.430 µg/L 0.430 1.00Chloroethane 1 02/23/22 16:54 V15327JLB <0.220 µg/L 0.220 0.500Chloroform 1 02/23/22 16:54 V15327JLB <0.220 µg/L 0.220 0.500 Chloromethane 1 02/23/22 16:54 V15327JLB <0.200 µg/L 0.200 0.5002-Chlorotoluene 1 02/23/22 16:54 V15327JLB <0.200 µg/L 0.200 0.5004-Chlorotoluene 1 02/23/22 16:54 V15327JLB <0.500 µg/L 0.500 0.500Di-Isopropyl Ether (DIPE)1 02/23/22 16:54 V15327JLB <1.10 µg/L 1.10 2.001,2-Dibromo-3-Chloropropane 1 02/23/22 16:54 V15327JLB <0.200 µg/L 0.200 0.5001,2-Dibromoethane 1 02/23/22 16:54 V15327JLB <0.230 µg/L 0.230 0.500Dibromomethane 1 02/23/22 16:54 V15327JLB Qualifiers/ Definitions Estimated valueJDilution FactorDF Method Quantitation LimitMQL Page 23 of 56 , REPORT OF ANALYSISReport Number : Project Information : NC 27416-0265 22-049-0013 01168 Pyramid Environmental, Inc PO Box 16265 Mika Trifunovic Greensboro 2021-233 Received : 02/18/2022 Taylor's Grocery Report Date : 02/25/2022 Sample ID : Lab No : Sampled:RW-1 94489 Matrix: 2/17/2022 15:00 Aqueous Analytical Method: Prep Method: Test Results Units MDL MQL By Analytical Batch Date / Time Analyzed DF 6200 PT 6200B Prep Batch(es):V15326 02/23/22 09:00 <0.220 µg/L 0.220 0.5001,2-Dichlorobenzene 1 02/23/22 16:54 V15327JLB <0.190 µg/L 0.190 0.5001,3-Dichlorobenzene 1 02/23/22 16:54 V15327JLB <0.210 µg/L 0.210 0.5001,4-Dichlorobenzene 1 02/23/22 16:54 V15327JLB <1.20 µg/L 1.20 5.00Dichlorodifluoromethane 1 02/23/22 16:54 V15327JLB <0.240 µg/L 0.240 0.5001,1-Dichloroethane 1 02/23/22 16:54 V15327JLB <0.150 µg/L 0.150 0.5001,2-Dichloroethane 1 02/23/22 16:54 V15327JLB <0.150 µg/L 0.150 0.5001,1-Dichloroethene 1 02/23/22 16:54 V15327JLB <0.200 µg/L 0.200 0.500cis-1,2-Dichloroethene 1 02/23/22 16:54 V15327JLB <0.180 µg/L 0.180 0.500 trans-1,2-Dichloroethene 1 02/23/22 16:54 V15327JLB <0.190 µg/L 0.190 0.5001,2-Dichloropropane 1 02/23/22 16:54 V15327JLB <0.130 µg/L 0.130 0.5001,3-Dichloropropane 1 02/23/22 16:54 V15327JLB <0.210 µg/L 0.210 2.002,2-Dichloropropane 1 02/23/22 16:54 V15327JLB <0.200 µg/L 0.200 0.5001,1-Dichloropropene 1 02/23/22 16:54 V15327JLB <0.210 µg/L 0.210 0.500cis-1,3-Dichloropropene 1 02/23/22 16:54 V15327JLB <0.150 µg/L 0.150 0.500trans-1,3-Dichloropropene 1 02/23/22 16:54 V15327JLB <42.0 µg/L 42.0 200 Ethanol 1 02/23/22 16:54 V15327JLB 98.8 µg/L 0.170 0.500Ethylbenzene 1 02/23/22 16:54 V15327JLB <0.350 µg/L 0.350 3.00Hexachlorobutadiene 1 02/23/22 16:54 V15327JLB <0.380 µg/L 0.380 1.002-Hexanone 1 02/23/22 16:54 V15327JLB 9.18 µg/L 0.180 0.500Isopropylbenzene 1 02/23/22 16:54 V15327JLB 1.23 µg/L 0.089 0.5004-Isopropyl toluene 1 02/23/22 16:54 V15327JLB <0.710 µg/L 0.710 5.00Methyl Ethyl Ketone (MEK)1 02/23/22 16:54 V15327JLB Qualifiers/ Definitions Estimated valueJDilution FactorDF Method Quantitation LimitMQL Page 24 of 56 , REPORT OF ANALYSISReport Number : Project Information : NC 27416-0265 22-049-0013 01168 Pyramid Environmental, Inc PO Box 16265 Mika Trifunovic Greensboro 2021-233 Received : 02/18/2022 Taylor's Grocery Report Date : 02/25/2022 Sample ID : Lab No : Sampled:RW-1 94489 Matrix: 2/17/2022 15:00 Aqueous Analytical Method: Prep Method: Test Results Units MDL MQL By Analytical Batch Date / Time Analyzed DF 6200 PT 6200B Prep Batch(es):V15326 02/23/22 09:00 <0.140 µg/L 0.140 1.00Methyl tert-butyl ether (MTBE)1 02/23/22 16:54 V15327JLB <0.078 µg/L 0.078 1.004-Methyl-2-Pentanone 1 02/23/22 16:54 V15327JLB <0.330 µg/L 0.330 2.00Methylene Chloride 1 02/23/22 16:54 V15327JLB 52.1 µg/L 0.470 1.00Naphthalene 1 02/23/22 16:54 V15327JLB 19.0 µg/L 0.190 0.500n-Propylbenzene 1 02/23/22 16:54 V15327JLB 1.30 µg/L 0.220 0.500Styrene 1 02/23/22 16:54 V15327JLB <0.160 µg/L 0.160 0.5001,1,1,2-Tetrachloroethane 1 02/23/22 16:54 V15327JLB <0.160 µg/L 0.160 0.5001,1,2,2-Tetrachloroethane 1 02/23/22 16:54 V15327JLB <0.220 µg/L 0.220 0.500 Tetrachloroethene 1 02/23/22 16:54 V15327JLB 9.88 µg/L 0.220 0.500Toluene 1 02/23/22 16:54 V15327JLB <0.380 µg/L 0.380 0.5001,2,3-Trichlorobenzene 1 02/23/22 16:54 V15327JLB <0.310 µg/L 0.310 0.5001,2,4-Trichlorobenzene 1 02/23/22 16:54 V15327JLB <0.160 µg/L 0.160 0.5001,1,1-Trichloroethane 1 02/23/22 16:54 V15327JLB <0.096 µg/L 0.096 0.5001,1,2-Trichloroethane 1 02/23/22 16:54 V15327JLB <0.180 µg/L 0.180 0.500Trichloroethene 1 02/23/22 16:54 V15327JLB <0.180 µg/L 0.180 0.500 Trichlorofluoromethane 1 02/23/22 16:54 V15327JLB <0.270 µg/L 0.270 0.5001,2,3-Trichloropropane 1 02/23/22 16:54 V15327JLB 66.6 µg/L 0.190 0.5001,2,4-Trimethylbenzene 1 02/23/22 16:54 V15327JLB 5.22 µg/L 0.180 0.5001,3,5-Trimethylbenzene 1 02/23/22 16:54 V15327JLB <1.00 µg/L 1.00 5.00Vinyl Acetate 1 02/23/22 16:54 V15327JLB <0.170 µg/L 0.170 0.500Vinyl Chloride 1 02/23/22 16:54 V15327JLB 63.0 µg/L 0.210 0.500o-Xylene 1 02/23/22 16:54 V15327JLB Qualifiers/ Definitions Estimated valueJDilution FactorDF Method Quantitation LimitMQL Page 25 of 56 , REPORT OF ANALYSISReport Number : Project Information : NC 27416-0265 22-049-0013 01168 Pyramid Environmental, Inc PO Box 16265 Mika Trifunovic Greensboro 2021-233 Received : 02/18/2022 Taylor's Grocery Report Date : 02/25/2022 Sample ID : Lab No : Sampled:RW-1 94489 Matrix: 2/17/2022 15:00 Aqueous Analytical Method: Prep Method: Test Results Units MDL MQL By Analytical Batch Date / Time Analyzed DF 6200 PT 6200B Prep Batch(es):V15326 02/23/22 09:00 14.6 µg/L 0.420 1.00m,p-Xylene 1 02/23/22 16:54 V15327JLB 77.6 µg/L 0.210 0.500Xylene (Total)1 02/23/22 16:54 V15327 Surrogate: 4-Bromofluorobenzene 104 Limits: 70-130%02/23/22 16:541 JLB V15327 Surrogate: Dibromofluoromethane 99.0 Limits: 70-130%02/23/22 16:541 JLB V15327 Surrogate: 1,2-Dichloroethane - d4 96.4 Limits: 70-130%02/23/22 16:541 JLB V15327 Surrogate: Toluene-d8 97.8 Limits: 70-130%02/23/22 16:541 JLB V15327 Qualifiers/ Definitions Estimated valueJDilution FactorDF Method Quantitation LimitMQL Page 26 of 56 , REPORT OF ANALYSISReport Number : Project Information : NC 27416-0265 22-049-0013 01168 Pyramid Environmental, Inc PO Box 16265 Mika Trifunovic Greensboro 2021-233 Received : 02/18/2022 Taylor's Grocery Report Date : 02/25/2022 Sample ID : Lab No : Sampled:RW-5 94490 Matrix: 2/17/2022 14:30 Aqueous Analytical Method: Prep Method: Test Results Units MDL MQL By Analytical Batch Date / Time Analyzed DF 6200 PT 6200B Prep Batch(es):V15209 02/21/22 09:00 <1.80 µg/L 1.80 10.0Acetone 1 02/21/22 19:56 V15210JLB 2.26 µg/L 0.180 0.500Benzene 1 02/21/22 19:56 V15210JLB <0.210 µg/L 0.210 0.500Bromobenzene 1 02/21/22 19:56 V15210JLB <0.420 µg/L 0.420 1.00Bromochloromethane 1 02/21/22 19:56 V15210JLB <0.160 µg/L 0.160 0.500Bromodichloromethane 1 02/21/22 19:56 V15210JLB <1.50 µg/L 1.50 5.00Bromoform 1 02/21/22 19:56 V15210JLB <0.280 µg/L 0.280 1.00Bromomethane 1 02/21/22 19:56 V15210JLB 0.563 µg/L 0.180 0.500n-Butylbenzene 1 02/21/22 19:56 V15210JLB 0.360 J µg/L 0.200 0.500 sec-Butyl benzene 1 02/21/22 19:56 V15210JLB <0.920 µg/L 0.920 2.00tert-Butyl benzene 1 02/21/22 19:56 V15210JLB <0.180 µg/L 0.180 0.500Carbon Tetrachloride 1 02/21/22 19:56 V15210JLB <0.190 µg/L 0.190 0.500Chlorobenzene 1 02/21/22 19:56 V15210JLB <0.190 µg/L 0.190 0.500Chlorodibromomethane 1 02/21/22 19:56 V15210JLB <0.430 µg/L 0.430 1.00Chloroethane 1 02/21/22 19:56 V15210JLB <0.220 µg/L 0.220 0.500Chloroform 1 02/21/22 19:56 V15210JLB <0.220 µg/L 0.220 0.500 Chloromethane 1 02/21/22 19:56 V15210JLB <0.200 µg/L 0.200 0.5002-Chlorotoluene 1 02/21/22 19:56 V15210JLB <0.200 µg/L 0.200 0.5004-Chlorotoluene 1 02/21/22 19:56 V15210JLB <0.500 µg/L 0.500 0.500Di-Isopropyl Ether (DIPE)1 02/21/22 19:56 V15210JLB <1.10 µg/L 1.10 2.001,2-Dibromo-3-Chloropropane 1 02/21/22 19:56 V15210JLB <0.200 µg/L 0.200 0.5001,2-Dibromoethane 1 02/21/22 19:56 V15210JLB <0.230 µg/L 0.230 0.500Dibromomethane 1 02/21/22 19:56 V15210JLB Qualifiers/ Definitions Estimated valueJDilution FactorDF Method Quantitation LimitMQL Page 27 of 56 , REPORT OF ANALYSISReport Number : Project Information : NC 27416-0265 22-049-0013 01168 Pyramid Environmental, Inc PO Box 16265 Mika Trifunovic Greensboro 2021-233 Received : 02/18/2022 Taylor's Grocery Report Date : 02/25/2022 Sample ID : Lab No : Sampled:RW-5 94490 Matrix: 2/17/2022 14:30 Aqueous Analytical Method: Prep Method: Test Results Units MDL MQL By Analytical Batch Date / Time Analyzed DF 6200 PT 6200B Prep Batch(es):V15209 02/21/22 09:00 <0.220 µg/L 0.220 0.5001,2-Dichlorobenzene 1 02/21/22 19:56 V15210JLB <0.190 µg/L 0.190 0.5001,3-Dichlorobenzene 1 02/21/22 19:56 V15210JLB <0.210 µg/L 0.210 0.5001,4-Dichlorobenzene 1 02/21/22 19:56 V15210JLB <1.20 µg/L 1.20 5.00Dichlorodifluoromethane 1 02/21/22 19:56 V15210JLB <0.240 µg/L 0.240 0.5001,1-Dichloroethane 1 02/21/22 19:56 V15210JLB <0.150 µg/L 0.150 0.5001,2-Dichloroethane 1 02/21/22 19:56 V15210JLB <0.150 µg/L 0.150 0.5001,1-Dichloroethene 1 02/21/22 19:56 V15210JLB <0.200 µg/L 0.200 0.500cis-1,2-Dichloroethene 1 02/21/22 19:56 V15210JLB <0.180 µg/L 0.180 0.500 trans-1,2-Dichloroethene 1 02/21/22 19:56 V15210JLB <0.190 µg/L 0.190 0.5001,2-Dichloropropane 1 02/21/22 19:56 V15210JLB <0.130 µg/L 0.130 0.5001,3-Dichloropropane 1 02/21/22 19:56 V15210JLB <0.210 µg/L 0.210 2.002,2-Dichloropropane 1 02/21/22 19:56 V15210JLB <0.200 µg/L 0.200 0.5001,1-Dichloropropene 1 02/21/22 19:56 V15210JLB <0.210 µg/L 0.210 0.500cis-1,3-Dichloropropene 1 02/21/22 19:56 V15210JLB <0.150 µg/L 0.150 0.500trans-1,3-Dichloropropene 1 02/21/22 19:56 V15210JLB <42.0 µg/L 42.0 200 Ethanol 1 02/21/22 19:56 V15210JLB 2.00 µg/L 0.170 0.500Ethylbenzene 1 02/21/22 19:56 V15210JLB <0.350 µg/L 0.350 3.00Hexachlorobutadiene 1 02/21/22 19:56 V15210JLB <0.380 µg/L 0.380 1.002-Hexanone 1 02/21/22 19:56 V15210JLB 0.670 µg/L 0.180 0.500Isopropylbenzene 1 02/21/22 19:56 V15210JLB <0.089 µg/L 0.089 0.5004-Isopropyl toluene 1 02/21/22 19:56 V15210JLB <0.710 µg/L 0.710 5.00Methyl Ethyl Ketone (MEK)1 02/21/22 19:56 V15210JLB Qualifiers/ Definitions Estimated valueJDilution FactorDF Method Quantitation LimitMQL Page 28 of 56 , REPORT OF ANALYSISReport Number : Project Information : NC 27416-0265 22-049-0013 01168 Pyramid Environmental, Inc PO Box 16265 Mika Trifunovic Greensboro 2021-233 Received : 02/18/2022 Taylor's Grocery Report Date : 02/25/2022 Sample ID : Lab No : Sampled:RW-5 94490 Matrix: 2/17/2022 14:30 Aqueous Analytical Method: Prep Method: Test Results Units MDL MQL By Analytical Batch Date / Time Analyzed DF 6200 PT 6200B Prep Batch(es):V15209 02/21/22 09:00 0.444 J µg/L 0.140 1.00Methyl tert-butyl ether (MTBE)1 02/21/22 19:56 V15210JLB <0.078 µg/L 0.078 1.004-Methyl-2-Pentanone 1 02/21/22 19:56 V15210JLB <0.330 µg/L 0.330 2.00Methylene Chloride 1 02/21/22 19:56 V15210JLB 2.30 µg/L 0.470 1.00Naphthalene 1 02/21/22 19:56 V15210JLB 1.36 µg/L 0.190 0.500n-Propylbenzene 1 02/21/22 19:56 V15210JLB <0.220 µg/L 0.220 0.500Styrene 1 02/21/22 19:56 V15210JLB <0.160 µg/L 0.160 0.5001,1,1,2-Tetrachloroethane 1 02/21/22 19:56 V15210JLB <0.160 µg/L 0.160 0.5001,1,2,2-Tetrachloroethane 1 02/21/22 19:56 V15210JLB <0.220 µg/L 0.220 0.500 Tetrachloroethene 1 02/21/22 19:56 V15210JLB <0.220 µg/L 0.220 0.500Toluene 1 02/21/22 19:56 V15210JLB <0.380 µg/L 0.380 0.5001,2,3-Trichlorobenzene 1 02/21/22 19:56 V15210JLB <0.310 µg/L 0.310 0.5001,2,4-Trichlorobenzene 1 02/21/22 19:56 V15210JLB <0.160 µg/L 0.160 0.5001,1,1-Trichloroethane 1 02/21/22 19:56 V15210JLB <0.096 µg/L 0.096 0.5001,1,2-Trichloroethane 1 02/21/22 19:56 V15210JLB <0.180 µg/L 0.180 0.500Trichloroethene 1 02/21/22 19:56 V15210JLB <0.180 µg/L 0.180 0.500 Trichlorofluoromethane 1 02/21/22 19:56 V15210JLB <0.270 µg/L 0.270 0.5001,2,3-Trichloropropane 1 02/21/22 19:56 V15210JLB 5.66 µg/L 0.190 0.5001,2,4-Trimethylbenzene 1 02/21/22 19:56 V15210JLB 0.962 µg/L 0.180 0.5001,3,5-Trimethylbenzene 1 02/21/22 19:56 V15210JLB <1.00 µg/L 1.00 5.00Vinyl Acetate 1 02/21/22 19:56 V15210JLB <0.170 µg/L 0.170 0.500Vinyl Chloride 1 02/21/22 19:56 V15210JLB 0.375 J µg/L 0.210 0.500o-Xylene 1 02/21/22 19:56 V15210JLB Qualifiers/ Definitions Estimated valueJDilution FactorDF Method Quantitation LimitMQL Page 29 of 56 , REPORT OF ANALYSISReport Number : Project Information : NC 27416-0265 22-049-0013 01168 Pyramid Environmental, Inc PO Box 16265 Mika Trifunovic Greensboro 2021-233 Received : 02/18/2022 Taylor's Grocery Report Date : 02/25/2022 Sample ID : Lab No : Sampled:RW-5 94490 Matrix: 2/17/2022 14:30 Aqueous Analytical Method: Prep Method: Test Results Units MDL MQL By Analytical Batch Date / Time Analyzed DF 6200 PT 6200B Prep Batch(es):V15209 02/21/22 09:00 2.45 µg/L 0.420 1.00m,p-Xylene 1 02/21/22 19:56 V15210JLB 2.83 J µg/L 0.210 0.500Xylene (Total)1 02/21/22 19:56 V15210 Surrogate: 4-Bromofluorobenzene 100 Limits: 70-130%02/21/22 19:561 JLB V15210 Surrogate: Dibromofluoromethane 97.8 Limits: 70-130%02/21/22 19:561 JLB V15210 Surrogate: 1,2-Dichloroethane - d4 98.8 Limits: 70-130%02/21/22 19:561 JLB V15210 Surrogate: Toluene-d8 101 Limits: 70-130%02/21/22 19:561 JLB V15210 Qualifiers/ Definitions Estimated valueJDilution FactorDF Method Quantitation LimitMQL Page 30 of 56 , REPORT OF ANALYSISReport Number : Project Information : NC 27416-0265 22-049-0013 01168 Pyramid Environmental, Inc PO Box 16265 Mika Trifunovic Greensboro 2021-233 Received : 02/18/2022 Taylor's Grocery Report Date : 02/25/2022 Sample ID : Lab No : Sampled:RW-6 94491 Matrix: 2/17/2022 15:30 Aqueous Analytical Method: Prep Method: Test Results Units MDL MQL By Analytical Batch Date / Time Analyzed DF 6200 PT 6200B Prep Batch(es):V15326 02/23/22 09:00 <18.0 µg/L 18.0 100Acetone 10 02/23/22 17:42 V15327JLB 108 µg/L 1.80 5.00Benzene 10 02/23/22 17:42 V15327JLB <2.10 µg/L 2.10 5.00Bromobenzene 10 02/23/22 17:42 V15327JLB <4.20 µg/L 4.20 10.0Bromochloromethane 10 02/23/22 17:42 V15327JLB <1.60 µg/L 1.60 5.00Bromodichloromethane 10 02/23/22 17:42 V15327JLB <15.0 µg/L 15.0 50.0Bromoform 10 02/23/22 17:42 V15327JLB <2.80 µg/L 2.80 10.0Bromomethane 10 02/23/22 17:42 V15327JLB <1.80 µg/L 1.80 5.00n-Butylbenzene 10 02/23/22 17:42 V15327JLB <2.00 µg/L 2.00 5.00 sec-Butyl benzene 10 02/23/22 17:42 V15327JLB <9.20 µg/L 9.20 20.0tert-Butyl benzene 10 02/23/22 17:42 V15327JLB <1.80 µg/L 1.80 5.00Carbon Tetrachloride 10 02/23/22 17:42 V15327JLB <1.90 µg/L 1.90 5.00Chlorobenzene 10 02/23/22 17:42 V15327JLB <1.90 µg/L 1.90 5.00Chlorodibromomethane 10 02/23/22 17:42 V15327JLB <4.30 µg/L 4.30 10.0Chloroethane 10 02/23/22 17:42 V15327JLB <2.20 µg/L 2.20 5.00Chloroform 10 02/23/22 17:42 V15327JLB <2.20 µg/L 2.20 5.00 Chloromethane 10 02/23/22 17:42 V15327JLB <2.00 µg/L 2.00 5.002-Chlorotoluene 10 02/23/22 17:42 V15327JLB <2.00 µg/L 2.00 5.004-Chlorotoluene 10 02/23/22 17:42 V15327JLB <5.00 µg/L 5.00 5.00Di-Isopropyl Ether (DIPE)10 02/23/22 17:42 V15327JLB <11.0 µg/L 11.0 20.01,2-Dibromo-3-Chloropropane 10 02/23/22 17:42 V15327JLB <2.00 µg/L 2.00 5.001,2-Dibromoethane 10 02/23/22 17:42 V15327JLB <2.30 µg/L 2.30 5.00Dibromomethane 10 02/23/22 17:42 V15327JLB Qualifiers/ Definitions Estimated valueJDilution FactorDF Method Quantitation LimitMQL Page 31 of 56 , REPORT OF ANALYSISReport Number : Project Information : NC 27416-0265 22-049-0013 01168 Pyramid Environmental, Inc PO Box 16265 Mika Trifunovic Greensboro 2021-233 Received : 02/18/2022 Taylor's Grocery Report Date : 02/25/2022 Sample ID : Lab No : Sampled:RW-6 94491 Matrix: 2/17/2022 15:30 Aqueous Analytical Method: Prep Method: Test Results Units MDL MQL By Analytical Batch Date / Time Analyzed DF 6200 PT 6200B Prep Batch(es):V15326 02/23/22 09:00 <2.20 µg/L 2.20 5.001,2-Dichlorobenzene 10 02/23/22 17:42 V15327JLB <1.90 µg/L 1.90 5.001,3-Dichlorobenzene 10 02/23/22 17:42 V15327JLB <2.10 µg/L 2.10 5.001,4-Dichlorobenzene 10 02/23/22 17:42 V15327JLB <12.0 µg/L 12.0 50.0Dichlorodifluoromethane 10 02/23/22 17:42 V15327JLB <2.40 µg/L 2.40 5.001,1-Dichloroethane 10 02/23/22 17:42 V15327JLB <1.50 µg/L 1.50 5.001,2-Dichloroethane 10 02/23/22 17:42 V15327JLB <1.50 µg/L 1.50 5.001,1-Dichloroethene 10 02/23/22 17:42 V15327JLB <2.00 µg/L 2.00 5.00cis-1,2-Dichloroethene 10 02/23/22 17:42 V15327JLB <1.80 µg/L 1.80 5.00 trans-1,2-Dichloroethene 10 02/23/22 17:42 V15327JLB <1.90 µg/L 1.90 5.001,2-Dichloropropane 10 02/23/22 17:42 V15327JLB <1.30 µg/L 1.30 5.001,3-Dichloropropane 10 02/23/22 17:42 V15327JLB <2.10 µg/L 2.10 20.02,2-Dichloropropane 10 02/23/22 17:42 V15327JLB <2.00 µg/L 2.00 5.001,1-Dichloropropene 10 02/23/22 17:42 V15327JLB <2.10 µg/L 2.10 5.00cis-1,3-Dichloropropene 10 02/23/22 17:42 V15327JLB <1.50 µg/L 1.50 5.00trans-1,3-Dichloropropene 10 02/23/22 17:42 V15327JLB <420 µg/L 420 2000 Ethanol 10 02/23/22 17:42 V15327JLB 164 µg/L 1.70 5.00Ethylbenzene 10 02/23/22 17:42 V15327JLB <3.50 µg/L 3.50 30.0Hexachlorobutadiene 10 02/23/22 17:42 V15327JLB <3.80 µg/L 3.80 10.02-Hexanone 10 02/23/22 17:42 V15327JLB 3.10 J µg/L 1.80 5.00Isopropylbenzene 10 02/23/22 17:42 V15327JLB <0.890 µg/L 0.890 5.004-Isopropyl toluene 10 02/23/22 17:42 V15327JLB <7.10 µg/L 7.10 50.0Methyl Ethyl Ketone (MEK)10 02/23/22 17:42 V15327JLB Qualifiers/ Definitions Estimated valueJDilution FactorDF Method Quantitation LimitMQL Page 32 of 56 , REPORT OF ANALYSISReport Number : Project Information : NC 27416-0265 22-049-0013 01168 Pyramid Environmental, Inc PO Box 16265 Mika Trifunovic Greensboro 2021-233 Received : 02/18/2022 Taylor's Grocery Report Date : 02/25/2022 Sample ID : Lab No : Sampled:RW-6 94491 Matrix: 2/17/2022 15:30 Aqueous Analytical Method: Prep Method: Test Results Units MDL MQL By Analytical Batch Date / Time Analyzed DF 6200 PT 6200B Prep Batch(es):V15326 02/23/22 09:00 <1.40 µg/L 1.40 10.0Methyl tert-butyl ether (MTBE)10 02/23/22 17:42 V15327JLB <0.780 µg/L 0.780 10.04-Methyl-2-Pentanone 10 02/23/22 17:42 V15327JLB <3.30 µg/L 3.30 20.0Methylene Chloride 10 02/23/22 17:42 V15327JLB 96.8 µg/L 4.70 10.0Naphthalene 10 02/23/22 17:42 V15327JLB 5.17 µg/L 1.90 5.00n-Propylbenzene 10 02/23/22 17:42 V15327JLB <2.20 µg/L 2.20 5.00Styrene 10 02/23/22 17:42 V15327JLB <1.60 µg/L 1.60 5.001,1,1,2-Tetrachloroethane 10 02/23/22 17:42 V15327JLB <1.60 µg/L 1.60 5.001,1,2,2-Tetrachloroethane 10 02/23/22 17:42 V15327JLB <2.20 µg/L 2.20 5.00 Tetrachloroethene 10 02/23/22 17:42 V15327JLB 1250 µg/L 22.0 50.0Toluene 100 02/23/22 18:06 V15327JLB <3.80 µg/L 3.80 5.001,2,3-Trichlorobenzene 10 02/23/22 17:42 V15327JLB <3.10 µg/L 3.10 5.001,2,4-Trichlorobenzene 10 02/23/22 17:42 V15327JLB <1.60 µg/L 1.60 5.001,1,1-Trichloroethane 10 02/23/22 17:42 V15327JLB <0.960 µg/L 0.960 5.001,1,2-Trichloroethane 10 02/23/22 17:42 V15327JLB <1.80 µg/L 1.80 5.00Trichloroethene 10 02/23/22 17:42 V15327JLB <1.80 µg/L 1.80 5.00 Trichlorofluoromethane 10 02/23/22 17:42 V15327JLB <2.70 µg/L 2.70 5.001,2,3-Trichloropropane 10 02/23/22 17:42 V15327JLB 309 µg/L 1.90 5.001,2,4-Trimethylbenzene 10 02/23/22 17:42 V15327JLB 84.6 µg/L 1.80 5.001,3,5-Trimethylbenzene 10 02/23/22 17:42 V15327JLB <10.0 µg/L 10.0 50.0Vinyl Acetate 10 02/23/22 17:42 V15327JLB <1.70 µg/L 1.70 5.00Vinyl Chloride 10 02/23/22 17:42 V15327JLB 527 µg/L 2.10 5.00o-Xylene 10 02/23/22 17:42 V15327JLB Qualifiers/ Definitions Estimated valueJDilution FactorDF Method Quantitation LimitMQL Page 33 of 56 , REPORT OF ANALYSISReport Number : Project Information : NC 27416-0265 22-049-0013 01168 Pyramid Environmental, Inc PO Box 16265 Mika Trifunovic Greensboro 2021-233 Received : 02/18/2022 Taylor's Grocery Report Date : 02/25/2022 Sample ID : Lab No : Sampled:RW-6 94491 Matrix: 2/17/2022 15:30 Aqueous Analytical Method: Prep Method: Test Results Units MDL MQL By Analytical Batch Date / Time Analyzed DF 6200 PT 6200B Prep Batch(es):V15326 02/23/22 09:00 968 µg/L 4.20 10.0m,p-Xylene 10 02/23/22 17:42 V15327JLB 1500 µg/L 2.10 5.00Xylene (Total)10 02/23/22 17:42 V15327 Surrogate: 4-Bromofluorobenzene 104 Limits: 70-130%02/23/22 17:4210 JLB V15327 Surrogate: Dibromofluoromethane 101 Limits: 70-130%02/23/22 17:4210 JLB V15327 Surrogate: 1,2-Dichloroethane - d4 98.8 Limits: 70-130%02/23/22 17:4210 JLB V15327 Surrogate: Toluene-d8 95.6 Limits: 70-130%02/23/22 17:4210 JLB V15327 Surrogate: 4-Bromofluorobenzene 101 Limits: 70-130%02/23/22 18:06100 JLB V15327 Surrogate: Dibromofluoromethane 99.0 Limits: 70-130%02/23/22 18:06100 JLB V15327 Surrogate: 1,2-Dichloroethane - d4 95.8 Limits: 70-130%02/23/22 18:06100 JLB V15327 Surrogate: Toluene-d8 96.0 Limits: 70-130%02/23/22 18:06100 JLB V15327 Qualifiers/ Definitions Estimated valueJDilution FactorDF Method Quantitation LimitMQL Page 34 of 56 , REPORT OF ANALYSISReport Number : Project Information : NC 27416-0265 22-049-0013 01168 Pyramid Environmental, Inc PO Box 16265 Mika Trifunovic Greensboro 2021-233 Received : 02/18/2022 Taylor's Grocery Report Date : 02/25/2022 Sample ID : Lab No : Sampled:SW-1 94492 Matrix: 2/17/2022 14:15 Aqueous Analytical Method: Prep Method: Test Results Units MDL MQL By Analytical Batch Date / Time Analyzed DF 6200 PT 6200B Prep Batch(es):V15209 02/21/22 09:00 <1.80 µg/L 1.80 10.0Acetone 1 02/21/22 20:20 V15210JLB <0.180 µg/L 0.180 0.500Benzene 1 02/21/22 20:20 V15210JLB <0.210 µg/L 0.210 0.500Bromobenzene 1 02/21/22 20:20 V15210JLB <0.420 µg/L 0.420 1.00Bromochloromethane 1 02/21/22 20:20 V15210JLB <0.160 µg/L 0.160 0.500Bromodichloromethane 1 02/21/22 20:20 V15210JLB <1.50 µg/L 1.50 5.00Bromoform 1 02/21/22 20:20 V15210JLB <0.280 µg/L 0.280 1.00Bromomethane 1 02/21/22 20:20 V15210JLB <0.180 µg/L 0.180 0.500n-Butylbenzene 1 02/21/22 20:20 V15210JLB <0.200 µg/L 0.200 0.500 sec-Butyl benzene 1 02/21/22 20:20 V15210JLB <0.920 µg/L 0.920 2.00tert-Butyl benzene 1 02/21/22 20:20 V15210JLB <0.180 µg/L 0.180 0.500Carbon Tetrachloride 1 02/21/22 20:20 V15210JLB <0.190 µg/L 0.190 0.500Chlorobenzene 1 02/21/22 20:20 V15210JLB <0.190 µg/L 0.190 0.500Chlorodibromomethane 1 02/21/22 20:20 V15210JLB <0.430 µg/L 0.430 1.00Chloroethane 1 02/21/22 20:20 V15210JLB <0.220 µg/L 0.220 0.500Chloroform 1 02/21/22 20:20 V15210JLB <0.220 µg/L 0.220 0.500 Chloromethane 1 02/21/22 20:20 V15210JLB <0.200 µg/L 0.200 0.5002-Chlorotoluene 1 02/21/22 20:20 V15210JLB <0.200 µg/L 0.200 0.5004-Chlorotoluene 1 02/21/22 20:20 V15210JLB <0.500 µg/L 0.500 0.500Di-Isopropyl Ether (DIPE)1 02/21/22 20:20 V15210JLB <1.10 µg/L 1.10 2.001,2-Dibromo-3-Chloropropane 1 02/21/22 20:20 V15210JLB <0.200 µg/L 0.200 0.5001,2-Dibromoethane 1 02/21/22 20:20 V15210JLB <0.230 µg/L 0.230 0.500Dibromomethane 1 02/21/22 20:20 V15210JLB Qualifiers/ Definitions Estimated valueJDilution FactorDF Method Quantitation LimitMQL Page 35 of 56 , REPORT OF ANALYSISReport Number : Project Information : NC 27416-0265 22-049-0013 01168 Pyramid Environmental, Inc PO Box 16265 Mika Trifunovic Greensboro 2021-233 Received : 02/18/2022 Taylor's Grocery Report Date : 02/25/2022 Sample ID : Lab No : Sampled:SW-1 94492 Matrix: 2/17/2022 14:15 Aqueous Analytical Method: Prep Method: Test Results Units MDL MQL By Analytical Batch Date / Time Analyzed DF 6200 PT 6200B Prep Batch(es):V15209 02/21/22 09:00 <0.220 µg/L 0.220 0.5001,2-Dichlorobenzene 1 02/21/22 20:20 V15210JLB <0.190 µg/L 0.190 0.5001,3-Dichlorobenzene 1 02/21/22 20:20 V15210JLB <0.210 µg/L 0.210 0.5001,4-Dichlorobenzene 1 02/21/22 20:20 V15210JLB <1.20 µg/L 1.20 5.00Dichlorodifluoromethane 1 02/21/22 20:20 V15210JLB <0.240 µg/L 0.240 0.5001,1-Dichloroethane 1 02/21/22 20:20 V15210JLB <0.150 µg/L 0.150 0.5001,2-Dichloroethane 1 02/21/22 20:20 V15210JLB <0.150 µg/L 0.150 0.5001,1-Dichloroethene 1 02/21/22 20:20 V15210JLB <0.200 µg/L 0.200 0.500cis-1,2-Dichloroethene 1 02/21/22 20:20 V15210JLB <0.180 µg/L 0.180 0.500 trans-1,2-Dichloroethene 1 02/21/22 20:20 V15210JLB <0.190 µg/L 0.190 0.5001,2-Dichloropropane 1 02/21/22 20:20 V15210JLB <0.130 µg/L 0.130 0.5001,3-Dichloropropane 1 02/21/22 20:20 V15210JLB <0.210 µg/L 0.210 2.002,2-Dichloropropane 1 02/21/22 20:20 V15210JLB <0.200 µg/L 0.200 0.5001,1-Dichloropropene 1 02/21/22 20:20 V15210JLB <0.210 µg/L 0.210 0.500cis-1,3-Dichloropropene 1 02/21/22 20:20 V15210JLB <0.150 µg/L 0.150 0.500trans-1,3-Dichloropropene 1 02/21/22 20:20 V15210JLB <42.0 µg/L 42.0 200 Ethanol 1 02/21/22 20:20 V15210JLB <0.170 µg/L 0.170 0.500Ethylbenzene 1 02/21/22 20:20 V15210JLB <0.350 µg/L 0.350 3.00Hexachlorobutadiene 1 02/21/22 20:20 V15210JLB <0.380 µg/L 0.380 1.002-Hexanone 1 02/21/22 20:20 V15210JLB <0.180 µg/L 0.180 0.500Isopropylbenzene 1 02/21/22 20:20 V15210JLB <0.089 µg/L 0.089 0.5004-Isopropyl toluene 1 02/21/22 20:20 V15210JLB <0.710 µg/L 0.710 5.00Methyl Ethyl Ketone (MEK)1 02/21/22 20:20 V15210JLB Qualifiers/ Definitions Estimated valueJDilution FactorDF Method Quantitation LimitMQL Page 36 of 56 , REPORT OF ANALYSISReport Number : Project Information : NC 27416-0265 22-049-0013 01168 Pyramid Environmental, Inc PO Box 16265 Mika Trifunovic Greensboro 2021-233 Received : 02/18/2022 Taylor's Grocery Report Date : 02/25/2022 Sample ID : Lab No : Sampled:SW-1 94492 Matrix: 2/17/2022 14:15 Aqueous Analytical Method: Prep Method: Test Results Units MDL MQL By Analytical Batch Date / Time Analyzed DF 6200 PT 6200B Prep Batch(es):V15209 02/21/22 09:00 2.48 µg/L 0.140 1.00Methyl tert-butyl ether (MTBE)1 02/21/22 20:20 V15210JLB <0.078 µg/L 0.078 1.004-Methyl-2-Pentanone 1 02/21/22 20:20 V15210JLB <0.330 µg/L 0.330 2.00Methylene Chloride 1 02/21/22 20:20 V15210JLB <0.470 µg/L 0.470 1.00Naphthalene 1 02/21/22 20:20 V15210JLB <0.190 µg/L 0.190 0.500n-Propylbenzene 1 02/21/22 20:20 V15210JLB <0.220 µg/L 0.220 0.500Styrene 1 02/21/22 20:20 V15210JLB <0.160 µg/L 0.160 0.5001,1,1,2-Tetrachloroethane 1 02/21/22 20:20 V15210JLB <0.160 µg/L 0.160 0.5001,1,2,2-Tetrachloroethane 1 02/21/22 20:20 V15210JLB <0.220 µg/L 0.220 0.500 Tetrachloroethene 1 02/21/22 20:20 V15210JLB <0.220 µg/L 0.220 0.500Toluene 1 02/21/22 20:20 V15210JLB <0.380 µg/L 0.380 0.5001,2,3-Trichlorobenzene 1 02/21/22 20:20 V15210JLB <0.310 µg/L 0.310 0.5001,2,4-Trichlorobenzene 1 02/21/22 20:20 V15210JLB <0.160 µg/L 0.160 0.5001,1,1-Trichloroethane 1 02/21/22 20:20 V15210JLB <0.096 µg/L 0.096 0.5001,1,2-Trichloroethane 1 02/21/22 20:20 V15210JLB <0.180 µg/L 0.180 0.500Trichloroethene 1 02/21/22 20:20 V15210JLB <0.180 µg/L 0.180 0.500 Trichlorofluoromethane 1 02/21/22 20:20 V15210JLB <0.270 µg/L 0.270 0.5001,2,3-Trichloropropane 1 02/21/22 20:20 V15210JLB <0.190 µg/L 0.190 0.5001,2,4-Trimethylbenzene 1 02/21/22 20:20 V15210JLB <0.180 µg/L 0.180 0.5001,3,5-Trimethylbenzene 1 02/21/22 20:20 V15210JLB <1.00 µg/L 1.00 5.00Vinyl Acetate 1 02/21/22 20:20 V15210JLB <0.170 µg/L 0.170 0.500Vinyl Chloride 1 02/21/22 20:20 V15210JLB <0.210 µg/L 0.210 0.500o-Xylene 1 02/21/22 20:20 V15210JLB Qualifiers/ Definitions Estimated valueJDilution FactorDF Method Quantitation LimitMQL Page 37 of 56 , REPORT OF ANALYSISReport Number : Project Information : NC 27416-0265 22-049-0013 01168 Pyramid Environmental, Inc PO Box 16265 Mika Trifunovic Greensboro 2021-233 Received : 02/18/2022 Taylor's Grocery Report Date : 02/25/2022 Sample ID : Lab No : Sampled:SW-1 94492 Matrix: 2/17/2022 14:15 Aqueous Analytical Method: Prep Method: Test Results Units MDL MQL By Analytical Batch Date / Time Analyzed DF 6200 PT 6200B Prep Batch(es):V15209 02/21/22 09:00 <0.420 µg/L 0.420 1.00m,p-Xylene 1 02/21/22 20:20 V15210JLB <0.21 µg/L 0.210 0.500Xylene (Total)1 02/21/22 20:20 V15210 Surrogate: 4-Bromofluorobenzene 104 Limits: 70-130%02/21/22 20:201 JLB V15210 Surrogate: Dibromofluoromethane 100 Limits: 70-130%02/21/22 20:201 JLB V15210 Surrogate: 1,2-Dichloroethane - d4 99.0 Limits: 70-130%02/21/22 20:201 JLB V15210 Surrogate: Toluene-d8 100 Limits: 70-130%02/21/22 20:201 JLB V15210 Qualifiers/ Definitions Estimated valueJDilution FactorDF Method Quantitation LimitMQL Page 38 of 56 , REPORT OF ANALYSISReport Number : Project Information : NC 27416-0265 22-049-0013 01168 Pyramid Environmental, Inc PO Box 16265 Mika Trifunovic Greensboro 2021-233 Received : 02/18/2022 Taylor's Grocery Report Date : 02/25/2022 Sample ID : Lab No : Sampled:SW-2 94493 Matrix: 2/17/2022 14:30 Aqueous Analytical Method: Prep Method: Test Results Units MDL MQL By Analytical Batch Date / Time Analyzed DF 6200 PT 6200B Prep Batch(es):V15209 02/21/22 09:00 4.30 J µg/L 1.80 10.0Acetone 1 02/21/22 20:45 V15210JLB <0.180 µg/L 0.180 0.500Benzene 1 02/21/22 20:45 V15210JLB <0.210 µg/L 0.210 0.500Bromobenzene 1 02/21/22 20:45 V15210JLB <0.420 µg/L 0.420 1.00Bromochloromethane 1 02/21/22 20:45 V15210JLB <0.160 µg/L 0.160 0.500Bromodichloromethane 1 02/21/22 20:45 V15210JLB <1.50 µg/L 1.50 5.00Bromoform 1 02/21/22 20:45 V15210JLB <0.280 µg/L 0.280 1.00Bromomethane 1 02/21/22 20:45 V15210JLB <0.180 µg/L 0.180 0.500n-Butylbenzene 1 02/21/22 20:45 V15210JLB <0.200 µg/L 0.200 0.500 sec-Butyl benzene 1 02/21/22 20:45 V15210JLB <0.920 µg/L 0.920 2.00tert-Butyl benzene 1 02/21/22 20:45 V15210JLB <0.180 µg/L 0.180 0.500Carbon Tetrachloride 1 02/21/22 20:45 V15210JLB <0.190 µg/L 0.190 0.500Chlorobenzene 1 02/21/22 20:45 V15210JLB <0.190 µg/L 0.190 0.500Chlorodibromomethane 1 02/21/22 20:45 V15210JLB <0.430 µg/L 0.430 1.00Chloroethane 1 02/21/22 20:45 V15210JLB <0.220 µg/L 0.220 0.500Chloroform 1 02/21/22 20:45 V15210JLB <0.220 µg/L 0.220 0.500 Chloromethane 1 02/21/22 20:45 V15210JLB <0.200 µg/L 0.200 0.5002-Chlorotoluene 1 02/21/22 20:45 V15210JLB <0.200 µg/L 0.200 0.5004-Chlorotoluene 1 02/21/22 20:45 V15210JLB <0.500 µg/L 0.500 0.500Di-Isopropyl Ether (DIPE)1 02/21/22 20:45 V15210JLB <1.10 µg/L 1.10 2.001,2-Dibromo-3-Chloropropane 1 02/21/22 20:45 V15210JLB <0.200 µg/L 0.200 0.5001,2-Dibromoethane 1 02/21/22 20:45 V15210JLB <0.230 µg/L 0.230 0.500Dibromomethane 1 02/21/22 20:45 V15210JLB Qualifiers/ Definitions Estimated valueJDilution FactorDF Method Quantitation LimitMQL Page 39 of 56 , REPORT OF ANALYSISReport Number : Project Information : NC 27416-0265 22-049-0013 01168 Pyramid Environmental, Inc PO Box 16265 Mika Trifunovic Greensboro 2021-233 Received : 02/18/2022 Taylor's Grocery Report Date : 02/25/2022 Sample ID : Lab No : Sampled:SW-2 94493 Matrix: 2/17/2022 14:30 Aqueous Analytical Method: Prep Method: Test Results Units MDL MQL By Analytical Batch Date / Time Analyzed DF 6200 PT 6200B Prep Batch(es):V15209 02/21/22 09:00 <0.220 µg/L 0.220 0.5001,2-Dichlorobenzene 1 02/21/22 20:45 V15210JLB <0.190 µg/L 0.190 0.5001,3-Dichlorobenzene 1 02/21/22 20:45 V15210JLB <0.210 µg/L 0.210 0.5001,4-Dichlorobenzene 1 02/21/22 20:45 V15210JLB <1.20 µg/L 1.20 5.00Dichlorodifluoromethane 1 02/21/22 20:45 V15210JLB <0.240 µg/L 0.240 0.5001,1-Dichloroethane 1 02/21/22 20:45 V15210JLB <0.150 µg/L 0.150 0.5001,2-Dichloroethane 1 02/21/22 20:45 V15210JLB <0.150 µg/L 0.150 0.5001,1-Dichloroethene 1 02/21/22 20:45 V15210JLB <0.200 µg/L 0.200 0.500cis-1,2-Dichloroethene 1 02/21/22 20:45 V15210JLB <0.180 µg/L 0.180 0.500 trans-1,2-Dichloroethene 1 02/21/22 20:45 V15210JLB <0.190 µg/L 0.190 0.5001,2-Dichloropropane 1 02/21/22 20:45 V15210JLB <0.130 µg/L 0.130 0.5001,3-Dichloropropane 1 02/21/22 20:45 V15210JLB <0.210 µg/L 0.210 2.002,2-Dichloropropane 1 02/21/22 20:45 V15210JLB <0.200 µg/L 0.200 0.5001,1-Dichloropropene 1 02/21/22 20:45 V15210JLB <0.210 µg/L 0.210 0.500cis-1,3-Dichloropropene 1 02/21/22 20:45 V15210JLB <0.150 µg/L 0.150 0.500trans-1,3-Dichloropropene 1 02/21/22 20:45 V15210JLB <42.0 µg/L 42.0 200 Ethanol 1 02/21/22 20:45 V15210JLB 0.327 J µg/L 0.170 0.500Ethylbenzene 1 02/21/22 20:45 V15210JLB <0.350 µg/L 0.350 3.00Hexachlorobutadiene 1 02/21/22 20:45 V15210JLB <0.380 µg/L 0.380 1.002-Hexanone 1 02/21/22 20:45 V15210JLB <0.180 µg/L 0.180 0.500Isopropylbenzene 1 02/21/22 20:45 V15210JLB <0.089 µg/L 0.089 0.5004-Isopropyl toluene 1 02/21/22 20:45 V15210JLB <0.710 µg/L 0.710 5.00Methyl Ethyl Ketone (MEK)1 02/21/22 20:45 V15210JLB Qualifiers/ Definitions Estimated valueJDilution FactorDF Method Quantitation LimitMQL Page 40 of 56 , REPORT OF ANALYSISReport Number : Project Information : NC 27416-0265 22-049-0013 01168 Pyramid Environmental, Inc PO Box 16265 Mika Trifunovic Greensboro 2021-233 Received : 02/18/2022 Taylor's Grocery Report Date : 02/25/2022 Sample ID : Lab No : Sampled:SW-2 94493 Matrix: 2/17/2022 14:30 Aqueous Analytical Method: Prep Method: Test Results Units MDL MQL By Analytical Batch Date / Time Analyzed DF 6200 PT 6200B Prep Batch(es):V15209 02/21/22 09:00 <0.140 µg/L 0.140 1.00Methyl tert-butyl ether (MTBE)1 02/21/22 20:45 V15210JLB <0.078 µg/L 0.078 1.004-Methyl-2-Pentanone 1 02/21/22 20:45 V15210JLB <0.330 µg/L 0.330 2.00Methylene Chloride 1 02/21/22 20:45 V15210JLB 0.989 J µg/L 0.470 1.00Naphthalene 1 02/21/22 20:45 V15210JLB <0.190 µg/L 0.190 0.500n-Propylbenzene 1 02/21/22 20:45 V15210JLB <0.220 µg/L 0.220 0.500Styrene 1 02/21/22 20:45 V15210JLB <0.160 µg/L 0.160 0.5001,1,1,2-Tetrachloroethane 1 02/21/22 20:45 V15210JLB <0.160 µg/L 0.160 0.5001,1,2,2-Tetrachloroethane 1 02/21/22 20:45 V15210JLB <0.220 µg/L 0.220 0.500 Tetrachloroethene 1 02/21/22 20:45 V15210JLB <0.220 µg/L 0.220 0.500Toluene 1 02/21/22 20:45 V15210JLB <0.380 µg/L 0.380 0.5001,2,3-Trichlorobenzene 1 02/21/22 20:45 V15210JLB <0.310 µg/L 0.310 0.5001,2,4-Trichlorobenzene 1 02/21/22 20:45 V15210JLB <0.160 µg/L 0.160 0.5001,1,1-Trichloroethane 1 02/21/22 20:45 V15210JLB <0.096 µg/L 0.096 0.5001,1,2-Trichloroethane 1 02/21/22 20:45 V15210JLB <0.180 µg/L 0.180 0.500Trichloroethene 1 02/21/22 20:45 V15210JLB <0.180 µg/L 0.180 0.500 Trichlorofluoromethane 1 02/21/22 20:45 V15210JLB <0.270 µg/L 0.270 0.5001,2,3-Trichloropropane 1 02/21/22 20:45 V15210JLB 0.592 µg/L 0.190 0.5001,2,4-Trimethylbenzene 1 02/21/22 20:45 V15210JLB <0.180 µg/L 0.180 0.5001,3,5-Trimethylbenzene 1 02/21/22 20:45 V15210JLB <1.00 µg/L 1.00 5.00Vinyl Acetate 1 02/21/22 20:45 V15210JLB <0.170 µg/L 0.170 0.500Vinyl Chloride 1 02/21/22 20:45 V15210JLB <0.210 µg/L 0.210 0.500o-Xylene 1 02/21/22 20:45 V15210JLB Qualifiers/ Definitions Estimated valueJDilution FactorDF Method Quantitation LimitMQL Page 41 of 56 , REPORT OF ANALYSISReport Number : Project Information : NC 27416-0265 22-049-0013 01168 Pyramid Environmental, Inc PO Box 16265 Mika Trifunovic Greensboro 2021-233 Received : 02/18/2022 Taylor's Grocery Report Date : 02/25/2022 Sample ID : Lab No : Sampled:SW-2 94493 Matrix: 2/17/2022 14:30 Aqueous Analytical Method: Prep Method: Test Results Units MDL MQL By Analytical Batch Date / Time Analyzed DF 6200 PT 6200B Prep Batch(es):V15209 02/21/22 09:00 0.672 J µg/L 0.420 1.00m,p-Xylene 1 02/21/22 20:45 V15210JLB 0.672 J µg/L 0.210 0.500Xylene (Total)1 02/21/22 20:45 V15210 Surrogate: 4-Bromofluorobenzene 106 Limits: 70-130%02/21/22 20:451 JLB V15210 Surrogate: Dibromofluoromethane 102 Limits: 70-130%02/21/22 20:451 JLB V15210 Surrogate: 1,2-Dichloroethane - d4 100 Limits: 70-130%02/21/22 20:451 JLB V15210 Surrogate: Toluene-d8 98.4 Limits: 70-130%02/21/22 20:451 JLB V15210 Qualifiers/ Definitions Estimated valueJDilution FactorDF Method Quantitation LimitMQL Page 42 of 56 Quality Control Data 22-049-0013Report No: Project Description: Client ID:Pyramid Environmental, Inc Taylor's Grocery QC Prep Batch Method: Volatile Organic Compounds - GC/MS 6200B V15210QC Analytical Batch(es): Analysis Method: Analysis Description: 6200 PT QC Prep:V15209 Associated Lab Samples: 94485, 94486, 94487, 94490, 94492, 94493 LRB-V15209 Matrix: AQULab Reagent Blank Parameter AnalyzedMQLMDLBlank ResultUnits % Recovery % Rec Limits 02/21/22 12:5710.01.80<1.80µg/LAcetone 02/21/22 12:570.5000.180<0.180µg/LBenzene 02/21/22 12:570.5000.210<0.210µg/LBromobenzene 02/21/22 12:571.000.420<0.420µg/LBromochloromethane 02/21/22 12:570.5000.160<0.160µg/LBromodichloromethane 02/21/22 12:575.001.50<1.50µg/LBromoform 02/21/22 12:571.000.280<0.280µg/LBromomethane 02/21/22 12:570.5000.180<0.180µg/Ln-Butylbenzene 02/21/22 12:570.5000.200<0.200µg/Lsec-Butyl benzene 02/21/22 12:572.000.920<0.920µg/Ltert-Butyl benzene 02/21/22 12:570.5000.180<0.180µg/LCarbon Tetrachloride 02/21/22 12:570.5000.190<0.190µg/LChlorobenzene 02/21/22 12:570.5000.190<0.190µg/LChlorodibromomethane 02/21/22 12:571.000.430<0.430µg/LChloroethane 02/21/22 12:570.5000.220<0.220µg/LChloroform 02/21/22 12:570.5000.220<0.220µg/LChloromethane 02/21/22 12:570.5000.200<0.200µg/L2-Chlorotoluene 02/21/22 12:570.5000.200<0.200µg/L4-Chlorotoluene 02/21/22 12:570.5000.500<0.500µg/LDi-Isopropyl Ether (DIPE) 02/21/22 12:572.001.10<1.10µg/L1,2-Dibromo-3-Chloropropane 02/21/22 12:570.5000.200<0.200µg/L1,2-Dibromoethane 02/21/22 12:570.5000.230<0.230µg/LDibromomethane 02/21/22 12:570.5000.220<0.220µg/L1,2-Dichlorobenzene 02/21/22 12:570.5000.190<0.190µg/L1,3-Dichlorobenzene 02/21/22 12:570.5000.210<0.210µg/L1,4-Dichlorobenzene 02/21/22 12:575.001.20<1.20µg/LDichlorodifluoromethane 02/21/22 12:570.5000.240<0.240µg/L1,1-Dichloroethane Page 1 of 12Date:02/25/2022 09:25 AM Page 43 of 56 Quality Control Data 22-049-0013Report No: Project Description: Client ID:Pyramid Environmental, Inc Taylor's Grocery QC Prep Batch Method: Volatile Organic Compounds - GC/MS 6200B V15210QC Analytical Batch(es): Analysis Method: Analysis Description: 6200 PT QC Prep:V15209 Associated Lab Samples: 94485, 94486, 94487, 94490, 94492, 94493 LRB-V15209 Matrix: AQULab Reagent Blank Parameter AnalyzedMQLMDLBlank ResultUnits % Recovery % Rec Limits 02/21/22 12:570.5000.150<0.150µg/L1,2-Dichloroethane 02/21/22 12:570.5000.150<0.150µg/L1,1-Dichloroethene 02/21/22 12:570.5000.200<0.200µg/Lcis-1,2-Dichloroethene 02/21/22 12:570.5000.180<0.180µg/Ltrans-1,2-Dichloroethene 02/21/22 12:570.5000.190<0.190µg/L1,2-Dichloropropane 02/21/22 12:570.5000.130<0.130µg/L1,3-Dichloropropane 02/21/22 12:572.000.210<0.210µg/L2,2-Dichloropropane 02/21/22 12:570.5000.200<0.200µg/L1,1-Dichloropropene 02/21/22 12:570.5000.210<0.210µg/Lcis-1,3-Dichloropropene 02/21/22 12:570.5000.150<0.150µg/Ltrans-1,3-Dichloropropene 02/21/22 12:5720042.0<42.0µg/LEthanol 02/21/22 12:570.5000.170<0.170µg/LEthylbenzene 02/21/22 12:573.000.350<0.350µg/LHexachlorobutadiene 02/21/22 12:571.000.380<0.380µg/L2-Hexanone 02/21/22 12:570.5000.180<0.180µg/LIsopropylbenzene 02/21/22 12:570.5000.089<0.089µg/L4-Isopropyl toluene 02/21/22 12:575.000.710<0.710µg/LMethyl Ethyl Ketone (MEK) 02/21/22 12:571.000.140<0.140µg/LMethyl tert-butyl ether (MTBE) 02/21/22 12:571.000.078<0.078µg/L4-Methyl-2-Pentanone 02/21/22 12:572.000.330<0.330µg/LMethylene Chloride 02/21/22 12:571.000.470<0.470µg/LNaphthalene 02/21/22 12:570.5000.190<0.190µg/Ln-Propylbenzene 02/21/22 12:570.5000.220<0.220µg/LStyrene 02/21/22 12:570.5000.160<0.160µg/L1,1,1,2-Tetrachloroethane 02/21/22 12:570.5000.160<0.160µg/L1,1,2,2-Tetrachloroethane 02/21/22 12:570.5000.220<0.220µg/LTetrachloroethene 02/21/22 12:570.5000.220<0.220µg/LToluene Page 2 of 12Date:02/25/2022 09:25 AM Page 44 of 56 Quality Control Data 22-049-0013Report No: Project Description: Client ID:Pyramid Environmental, Inc Taylor's Grocery QC Prep Batch Method: Volatile Organic Compounds - GC/MS 6200B V15210QC Analytical Batch(es): Analysis Method: Analysis Description: 6200 PT QC Prep:V15209 Associated Lab Samples: 94485, 94486, 94487, 94490, 94492, 94493 LRB-V15209 Matrix: AQULab Reagent Blank Parameter AnalyzedMQLMDLBlank ResultUnits % Recovery % Rec Limits 02/21/22 12:570.5000.380<0.380µg/L1,2,3-Trichlorobenzene 02/21/22 12:570.5000.310<0.310µg/L1,2,4-Trichlorobenzene 02/21/22 12:570.5000.160<0.160µg/L1,1,1-Trichloroethane 02/21/22 12:570.5000.096<0.096µg/L1,1,2-Trichloroethane 02/21/22 12:570.5000.180<0.180µg/LTrichloroethene 02/21/22 12:570.5000.180<0.180µg/LTrichlorofluoromethane 02/21/22 12:570.5000.270<0.270µg/L1,2,3-Trichloropropane 02/21/22 12:570.5000.190<0.190µg/L1,2,4-Trimethylbenzene 02/21/22 12:570.5000.180<0.180µg/L1,3,5-Trimethylbenzene 02/21/22 12:575.001.00<1.00µg/LVinyl Acetate 02/21/22 12:570.5000.170<0.170µg/LVinyl Chloride 02/21/22 12:570.5000.210<0.210µg/Lo-Xylene 02/21/22 12:571.000.420<0.420µg/Lm,p-Xylene 02/21/22 12:574-Bromofluorobenzene (S)130 70-130 02/21/22 12:57Dibromofluoromethane (S)94.4 70-130 02/21/22 12:571,2-Dichloroethane - d4 (S)91.4 70-130 02/21/22 12:57Toluene-d8 (S)107 70-130 LCS-V15209 LCSD-V15209Laboratory Control Sample & LCSD LCSD ResultParameter Max RPD LCSD % Rec LCS %Rec LCS Result Spike Conc.Units % Rec Limits RPD 32.5 81.276.230.540.0µg/LAcetone 40-160 6.3 20.0 19.8 99.010220.420.0µg/LBenzene 70-130 2.9 20.0 20.4 10210420.720.0µg/LBromobenzene 70-130 1.4 20.0 20.1 10199.519.920.0µg/LBromochloromethane 70-130 1.0 20.0 20.3 10210120.120.0µg/LBromodichloromethane 70-130 0.9 20.0 Page 3 of 12Date:02/25/2022 09:25 AM Page 45 of 56 Quality Control Data 22-049-0013Report No: Project Description: Client ID:Pyramid Environmental, Inc Taylor's Grocery QC Prep Batch Method: Volatile Organic Compounds - GC/MS 6200B V15210QC Analytical Batch(es): Analysis Method: Analysis Description: 6200 PT QC Prep:V15209 LCS-V15209 LCSD-V15209Laboratory Control Sample & LCSD LCSD ResultParameter Max RPD LCSD % Rec LCS %Rec LCS Result Spike Conc.Units % Rec Limits RPD 21.3 10710621.220.0µg/LBromoform 70-130 0.4 20.0 24.7 12411623.220.0µg/LBromomethane 60-140 6.2 20.0 20.0 10010120.120.0µg/Ln-Butylbenzene 70-130 0.4 20.0 20.6 10310320.620.0µg/Lsec-Butyl benzene 70-130 0.0 20.0 20.2 10110320.520.0µg/Ltert-Butyl benzene 70-130 1.4 20.0 20.7 10410320.520.0µg/LCarbon Tetrachloride 70-130 0.9 20.0 20.6 10310320.620.0µg/LChlorobenzene 70-130 0.0 20.0 20.8 10410621.120.0µg/LChlorodibromomethane 70-130 1.4 20.0 23.4 11711723.320.0µg/LChloroethane 60-140 0.4 20.0 19.8 99.010120.120.0µg/LChloroform 70-130 1.5 20.0 24.2 12112224.420.0µg/LChloromethane 60-140 0.8 20.0 20.4 10210220.320.0µg/L2-Chlorotoluene 70-130 0.4 20.0 20.2 10110120.220.0µg/L4-Chlorotoluene 70-130 0.0 20.0 20.1 10198.519.720.0µg/LDi-Isopropyl Ether (DIPE)70-130 2.0 20.0 21.9 11010120.120.0µg/L1,2-Dibromo-3-Chloropropane 70-130 8.5 20.0 20.8 10410020.020.0µg/L1,2-Dibromoethane 70-130 3.9 20.0 20.6 10399.519.920.0µg/LDibromomethane 70-130 3.4 20.0 20.3 10210220.320.0µg/L1,2-Dichlorobenzene 70-130 0.0 20.0 20.4 10210120.120.0µg/L1,3-Dichlorobenzene 70-130 1.4 20.0 19.6 98.010120.220.0µg/L1,4-Dichlorobenzene 70-130 3.0 20.0 27.0 13513927.720.0µg/LDichlorodifluoromethane 60-140 2.5 20.0 20.4 10210320.520.0µg/L1,1-Dichloroethane 70-130 0.4 20.0 20.0 10099.519.920.0µg/L1,2-Dichloroethane 70-130 0.5 20.0 21.3 10710721.420.0µg/L1,1-Dichloroethene 70-130 0.4 20.0 20.8 10410020.020.0µg/Lcis-1,2-Dichloroethene 70-130 3.9 20.0 20.3 10210420.820.0µg/Ltrans-1,2-Dichloroethene 70-130 2.4 20.0 Page 4 of 12Date:02/25/2022 09:25 AM Page 46 of 56 Quality Control Data 22-049-0013Report No: Project Description: Client ID:Pyramid Environmental, Inc Taylor's Grocery QC Prep Batch Method: Volatile Organic Compounds - GC/MS 6200B V15210QC Analytical Batch(es): Analysis Method: Analysis Description: 6200 PT QC Prep:V15209 LCS-V15209 LCSD-V15209Laboratory Control Sample & LCSD LCSD ResultParameter Max RPD LCSD % Rec LCS %Rec LCS Result Spike Conc.Units % Rec Limits RPD 20.8 10410420.720.0µg/L1,2-Dichloropropane 70-130 0.4 20.0 20.0 10099.019.820.0µg/L1,3-Dichloropropane 70-130 1.0 20.0 20.3 10210420.820.0µg/L2,2-Dichloropropane 70-130 2.4 20.0 20.1 10110220.320.0µg/L1,1-Dichloropropene 70-130 0.9 20.0 20.5 10310320.620.0µg/Lcis-1,3-Dichloropropene 70-130 0.4 20.0 20.6 10310120.120.0µg/Ltrans-1,3-Dichloropropene 70-130 2.4 20.0 598 120125624500µg/LEthanol 60-140 4.2 20.0 20.1 10110120.220.0µg/LEthylbenzene 70-130 0.4 20.0 20.6 10310220.320.0µg/LHexachlorobutadiene 70-130 1.4 20.0 21.4 10710120.120.0µg/L2-Hexanone 60-140 6.2 20.0 20.5 10310320.620.0µg/LIsopropylbenzene 70-130 0.4 20.0 20.4 10210520.920.0µg/L4-Isopropyl toluene 70-130 2.4 20.0 17.6 88.083.016.620.0µg/LMethyl Ethyl Ketone (MEK)60-140 5.8 20.0 20.8 10410120.220.0µg/LMethyl tert-butyl ether (MTBE)70-130 2.9 20.0 20.5 10310220.320.0µg/L4-Methyl-2-Pentanone 60-140 0.9 20.0 21.2 10610721.320.0µg/LMethylene Chloride 70-130 0.4 20.0 20.7 10410621.120.0µg/LNaphthalene 70-130 1.9 20.0 20.3 10210320.620.0µg/Ln-Propylbenzene 70-130 1.4 20.0 20.7 10410320.520.0µg/LStyrene 70-130 0.9 20.0 20.3 10210120.220.0µg/L1,1,1,2-Tetrachloroethane 70-130 0.4 20.0 21.0 10510220.320.0µg/L1,1,2,2-Tetrachloroethane 70-130 3.3 20.0 19.7 98.599.519.920.0µg/LTetrachloroethene 70-130 1.0 20.0 20.1 10110220.420.0µg/LToluene 70-130 1.4 20.0 19.4 97.095.519.120.0µg/L1,2,3-Trichlorobenzene 70-130 1.5 20.0 19.4 97.010320.520.0µg/L1,2,4-Trichlorobenzene 70-130 5.5 20.0 20.2 10110220.320.0µg/L1,1,1-Trichloroethane 70-130 0.4 20.0 Page 5 of 12Date:02/25/2022 09:25 AM Page 47 of 56 Quality Control Data 22-049-0013Report No: Project Description: Client ID:Pyramid Environmental, Inc Taylor's Grocery QC Prep Batch Method: Volatile Organic Compounds - GC/MS 6200B V15210QC Analytical Batch(es): Analysis Method: Analysis Description: 6200 PT QC Prep:V15209 LCS-V15209 LCSD-V15209Laboratory Control Sample & LCSD LCSD ResultParameter Max RPD LCSD % Rec LCS %Rec LCS Result Spike Conc.Units % Rec Limits RPD 20.8 10410420.820.0µg/L1,1,2-Trichloroethane 70-130 0.0 20.0 20.2 10110320.620.0µg/LTrichloroethene 70-130 1.9 20.0 22.0 11011122.120.0µg/LTrichlorofluoromethane 60-140 0.4 20.0 21.6 10810721.420.0µg/L1,2,3-Trichloropropane 70-130 0.9 20.0 20.4 10210320.620.0µg/L1,2,4-Trimethylbenzene 70-130 0.9 20.0 20.1 10110220.420.0µg/L1,3,5-Trimethylbenzene 70-130 1.4 20.0 21.5 10810420.820.0µg/LVinyl Acetate 60-140 3.3 20.0 22.0 11011122.220.0µg/LVinyl Chloride 60-140 0.9 20.0 20.3 10210220.420.0µg/Lo-Xylene 70-130 0.4 20.0 41.5 10410541.940.0µg/Lm,p-Xylene 70-130 0.9 20.0 99.899.04-Bromofluorobenzene (S)70-130 99.498.8Dibromofluoromethane (S)70-130 1031011,2-Dichloroethane - d4 (S)70-130 100100Toluene-d8 (S)70-130 Page 6 of 12Date:02/25/2022 09:25 AM Page 48 of 56 Quality Control Data 22-049-0013Report No: Project Description: Client ID:Pyramid Environmental, Inc Taylor's Grocery QC Prep Batch Method: Volatile Organic Compounds - GC/MS 6200B V15327QC Analytical Batch(es): Analysis Method: Analysis Description: 6200 PT QC Prep:V15326 Associated Lab Samples: 94488, 94489, 94491 LRB-V15326 Matrix: AQULab Reagent Blank Parameter AnalyzedMQLMDLBlank ResultUnits % Recovery % Rec Limits 02/23/22 13:2410.01.80<1.80µg/LAcetone 02/23/22 13:240.5000.180<0.180µg/LBenzene 02/23/22 13:240.5000.210<0.210µg/LBromobenzene 02/23/22 13:241.000.420<0.420µg/LBromochloromethane 02/23/22 13:240.5000.160<0.160µg/LBromodichloromethane 02/23/22 13:245.001.50<1.50µg/LBromoform 02/23/22 13:241.000.280<0.280µg/LBromomethane 02/23/22 13:240.5000.180<0.180µg/Ln-Butylbenzene 02/23/22 13:240.5000.200<0.200µg/Lsec-Butyl benzene 02/23/22 13:242.000.920<0.920µg/Ltert-Butyl benzene 02/23/22 13:240.5000.180<0.180µg/LCarbon Tetrachloride 02/23/22 13:240.5000.190<0.190µg/LChlorobenzene 02/23/22 13:240.5000.190<0.190µg/LChlorodibromomethane 02/23/22 13:241.000.430<0.430µg/LChloroethane 02/23/22 13:240.5000.220<0.220µg/LChloroform 02/23/22 13:240.5000.220<0.220µg/LChloromethane 02/23/22 13:240.5000.200<0.200µg/L2-Chlorotoluene 02/23/22 13:240.5000.200<0.200µg/L4-Chlorotoluene 02/23/22 13:240.5000.500<0.500µg/LDi-Isopropyl Ether (DIPE) 02/23/22 13:242.001.10<1.10µg/L1,2-Dibromo-3-Chloropropane 02/23/22 13:240.5000.200<0.200µg/L1,2-Dibromoethane 02/23/22 13:240.5000.230<0.230µg/LDibromomethane 02/23/22 13:240.5000.220<0.220µg/L1,2-Dichlorobenzene 02/23/22 13:240.5000.190<0.190µg/L1,3-Dichlorobenzene 02/23/22 13:240.5000.210<0.210µg/L1,4-Dichlorobenzene 02/23/22 13:245.001.20<1.20µg/LDichlorodifluoromethane 02/23/22 13:240.5000.240<0.240µg/L1,1-Dichloroethane Page 7 of 12Date:02/25/2022 09:25 AM Page 49 of 56 Quality Control Data 22-049-0013Report No: Project Description: Client ID:Pyramid Environmental, Inc Taylor's Grocery QC Prep Batch Method: Volatile Organic Compounds - GC/MS 6200B V15327QC Analytical Batch(es): Analysis Method: Analysis Description: 6200 PT QC Prep:V15326 Associated Lab Samples: 94488, 94489, 94491 LRB-V15326 Matrix: AQULab Reagent Blank Parameter AnalyzedMQLMDLBlank ResultUnits % Recovery % Rec Limits 02/23/22 13:240.5000.150<0.150µg/L1,2-Dichloroethane 02/23/22 13:240.5000.150<0.150µg/L1,1-Dichloroethene 02/23/22 13:240.5000.200<0.200µg/Lcis-1,2-Dichloroethene 02/23/22 13:240.5000.180<0.180µg/Ltrans-1,2-Dichloroethene 02/23/22 13:240.5000.190<0.190µg/L1,2-Dichloropropane 02/23/22 13:240.5000.130<0.130µg/L1,3-Dichloropropane 02/23/22 13:242.000.210<0.210µg/L2,2-Dichloropropane 02/23/22 13:240.5000.200<0.200µg/L1,1-Dichloropropene 02/23/22 13:240.5000.210<0.210µg/Lcis-1,3-Dichloropropene 02/23/22 13:240.5000.150<0.150µg/Ltrans-1,3-Dichloropropene 02/23/22 13:2420042.0<42.0µg/LEthanol 02/23/22 13:240.5000.170<0.170µg/LEthylbenzene 02/23/22 13:243.000.350<0.350µg/LHexachlorobutadiene 02/23/22 13:241.000.380<0.380µg/L2-Hexanone 02/23/22 13:240.5000.180<0.180µg/LIsopropylbenzene 02/23/22 13:240.5000.089<0.089µg/L4-Isopropyl toluene 02/23/22 13:245.000.710<0.710µg/LMethyl Ethyl Ketone (MEK) 02/23/22 13:241.000.140<0.140µg/LMethyl tert-butyl ether (MTBE) 02/23/22 13:241.000.078<0.078µg/L4-Methyl-2-Pentanone 02/23/22 13:242.000.330<0.330µg/LMethylene Chloride 02/23/22 13:241.000.470<0.470µg/LNaphthalene 02/23/22 13:240.5000.190<0.190µg/Ln-Propylbenzene 02/23/22 13:240.5000.220<0.220µg/LStyrene 02/23/22 13:240.5000.160<0.160µg/L1,1,1,2-Tetrachloroethane 02/23/22 13:240.5000.160<0.160µg/L1,1,2,2-Tetrachloroethane 02/23/22 13:240.5000.220<0.220µg/LTetrachloroethene 02/23/22 13:240.5000.220<0.220µg/LToluene Page 8 of 12Date:02/25/2022 09:25 AM Page 50 of 56 Quality Control Data 22-049-0013Report No: Project Description: Client ID:Pyramid Environmental, Inc Taylor's Grocery QC Prep Batch Method: Volatile Organic Compounds - GC/MS 6200B V15327QC Analytical Batch(es): Analysis Method: Analysis Description: 6200 PT QC Prep:V15326 Associated Lab Samples: 94488, 94489, 94491 LRB-V15326 Matrix: AQULab Reagent Blank Parameter AnalyzedMQLMDLBlank ResultUnits % Recovery % Rec Limits 02/23/22 13:240.5000.380<0.380µg/L1,2,3-Trichlorobenzene 02/23/22 13:240.5000.310<0.310µg/L1,2,4-Trichlorobenzene 02/23/22 13:240.5000.160<0.160µg/L1,1,1-Trichloroethane 02/23/22 13:240.5000.096<0.096µg/L1,1,2-Trichloroethane 02/23/22 13:240.5000.180<0.180µg/LTrichloroethene 02/23/22 13:240.5000.180<0.180µg/LTrichlorofluoromethane 02/23/22 13:240.5000.270<0.270µg/L1,2,3-Trichloropropane 02/23/22 13:240.5000.190<0.190µg/L1,2,4-Trimethylbenzene 02/23/22 13:240.5000.180<0.180µg/L1,3,5-Trimethylbenzene 02/23/22 13:245.001.00<1.00µg/LVinyl Acetate 02/23/22 13:240.5000.170<0.170µg/LVinyl Chloride 02/23/22 13:240.5000.210<0.210µg/Lo-Xylene 02/23/22 13:241.000.420<0.420µg/Lm,p-Xylene 02/23/22 13:244-Bromofluorobenzene (S)102 70-130 02/23/22 13:24Dibromofluoromethane (S)101 70-130 02/23/22 13:241,2-Dichloroethane - d4 (S)98.8 70-130 02/23/22 13:24Toluene-d8 (S)95.8 70-130 LCS-V15326 LCSD-V15326Laboratory Control Sample & LCSD LCSD ResultParameter Max RPD LCSD % Rec LCS %Rec LCS Result Spike Conc.Units % Rec Limits RPD 45.9 11510843.340.0µg/LAcetone 40-160 5.8 20.0 21.4 10711322.620.0µg/LBenzene 70-130 5.4 20.0 21.9 11011422.820.0µg/LBromobenzene 70-130 4.0 20.0 22.3 11211623.220.0µg/LBromochloromethane 70-130 3.9 20.0 21.6 10811022.020.0µg/LBromodichloromethane 70-130 1.8 20.0 Page 9 of 12Date:02/25/2022 09:25 AM Page 51 of 56 Quality Control Data 22-049-0013Report No: Project Description: Client ID:Pyramid Environmental, Inc Taylor's Grocery QC Prep Batch Method: Volatile Organic Compounds - GC/MS 6200B V15327QC Analytical Batch(es): Analysis Method: Analysis Description: 6200 PT QC Prep:V15326 LCS-V15326 LCSD-V15326Laboratory Control Sample & LCSD LCSD ResultParameter Max RPD LCSD % Rec LCS %Rec LCS Result Spike Conc.Units % Rec Limits RPD 19.9 99.510220.320.0µg/LBromoform 70-130 1.9 20.0 22.5 11311522.920.0µg/LBromomethane 60-140 1.7 20.0 21.3 10711523.020.0µg/Ln-Butylbenzene 70-130 7.6 20.0 21.4 10711422.820.0µg/Lsec-Butyl benzene 70-130 6.3 20.0 21.0 10511422.820.0µg/Ltert-Butyl benzene 70-130 8.2 20.0 21.3 10711122.220.0µg/LCarbon Tetrachloride 70-130 4.1 20.0 20.9 10510821.520.0µg/LChlorobenzene 70-130 2.8 20.0 20.8 10410420.820.0µg/LChlorodibromomethane 70-130 0.0 20.0 23.1 11611923.720.0µg/LChloroethane 60-140 2.5 20.0 21.8 10911322.620.0µg/LChloroform 70-130 3.6 20.0 24.0 12012825.620.0µg/LChloromethane 60-140 6.4 20.0 21.6 10811623.220.0µg/L2-Chlorotoluene 70-130 7.1 20.0 21.4 10711522.920.0µg/L4-Chlorotoluene 70-130 6.7 20.0 22.2 11111222.320.0µg/LDi-Isopropyl Ether (DIPE)70-130 0.4 20.0 21.5 10810821.620.0µg/L1,2-Dibromo-3-Chloropropane 70-130 0.4 20.0 21.2 10610220.420.0µg/L1,2-Dibromoethane 70-130 3.8 20.0 22.2 11110921.820.0µg/LDibromomethane 70-130 1.8 20.0 21.0 10511021.920.0µg/L1,2-Dichlorobenzene 70-130 4.1 20.0 21.3 10711222.320.0µg/L1,3-Dichlorobenzene 70-130 4.5 20.0 21.4 10711222.320.0µg/L1,4-Dichlorobenzene 70-130 4.1 20.0 25.5 12813326.520.0µg/LDichlorodifluoromethane 60-140 3.8 20.0 21.9 11011522.920.0µg/L1,1-Dichloroethane 70-130 4.4 20.0 21.6 10811022.020.0µg/L1,2-Dichloroethane 70-130 1.8 20.0 22.2 11111923.720.0µg/L1,1-Dichloroethene 70-130 6.5 20.0 22.0 11011422.720.0µg/Lcis-1,2-Dichloroethene 70-130 3.1 20.0 21.7 10911523.020.0µg/Ltrans-1,2-Dichloroethene 70-130 5.8 20.0 Page 10 of 12Date:02/25/2022 09:25 AM Page 52 of 56 Quality Control Data 22-049-0013Report No: Project Description: Client ID:Pyramid Environmental, Inc Taylor's Grocery QC Prep Batch Method: Volatile Organic Compounds - GC/MS 6200B V15327QC Analytical Batch(es): Analysis Method: Analysis Description: 6200 PT QC Prep:V15326 LCS-V15326 LCSD-V15326Laboratory Control Sample & LCSD LCSD ResultParameter Max RPD LCSD % Rec LCS %Rec LCS Result Spike Conc.Units % Rec Limits RPD 21.8 10911523.020.0µg/L1,2-Dichloropropane 70-130 5.3 20.0 21.2 10610721.320.0µg/L1,3-Dichloropropane 70-130 0.4 20.0 22.1 11111623.120.0µg/L2,2-Dichloropropane 70-130 4.4 20.0 21.3 10711522.920.0µg/L1,1-Dichloropropene 70-130 7.2 20.0 22.1 11111322.520.0µg/Lcis-1,3-Dichloropropene 70-130 1.7 20.0 22.1 11111322.520.0µg/Ltrans-1,3-Dichloropropene 70-130 1.7 20.0 548 110109544500µg/LEthanol 60-140 0.7 20.0 19.9 99.510520.920.0µg/LEthylbenzene 70-130 4.9 20.0 20.0 10011222.320.0µg/LHexachlorobutadiene 70-130 10.8 20.0 19.3 96.596.019.220.0µg/L2-Hexanone 60-140 0.5 20.0 21.3 10711422.820.0µg/LIsopropylbenzene 70-130 6.8 20.0 21.3 10711623.120.0µg/L4-Isopropyl toluene 70-130 8.1 20.0 22.8 11494.518.920.0µg/LMethyl Ethyl Ketone (MEK)60-140 18.7 20.0 21.6 10810621.220.0µg/LMethyl tert-butyl ether (MTBE)70-130 1.8 20.0 21.4 10710721.420.0µg/L4-Methyl-2-Pentanone 60-140 0.0 20.0 22.5 11311623.220.0µg/LMethylene Chloride 70-130 3.0 20.0 19.9 99.599.019.820.0µg/LNaphthalene 70-130 0.5 20.0 21.3 10711523.020.0µg/Ln-Propylbenzene 70-130 7.6 20.0 21.1 10611022.020.0µg/LStyrene 70-130 4.1 20.0 20.8 10410821.620.0µg/L1,1,1,2-Tetrachloroethane 70-130 3.7 20.0 21.8 10910821.620.0µg/L1,1,2,2-Tetrachloroethane 70-130 0.9 20.0 20.2 10110821.520.0µg/LTetrachloroethene 70-130 6.2 20.0 21.1 10611222.320.0µg/LToluene 70-130 5.5 20.0 20.3 10210521.020.0µg/L1,2,3-Trichlorobenzene 70-130 3.3 20.0 21.5 10811222.420.0µg/L1,2,4-Trichlorobenzene 70-130 4.1 20.0 21.6 10811322.620.0µg/L1,1,1-Trichloroethane 70-130 4.5 20.0 Page 11 of 12Date:02/25/2022 09:25 AM Page 53 of 56 Quality Control Data 22-049-0013Report No: Project Description: Client ID:Pyramid Environmental, Inc Taylor's Grocery QC Prep Batch Method: Volatile Organic Compounds - GC/MS 6200B V15327QC Analytical Batch(es): Analysis Method: Analysis Description: 6200 PT QC Prep:V15326 LCS-V15326 LCSD-V15326Laboratory Control Sample & LCSD LCSD ResultParameter Max RPD LCSD % Rec LCS %Rec LCS Result Spike Conc.Units % Rec Limits RPD 21.9 11011022.020.0µg/L1,1,2-Trichloroethane 70-130 0.4 20.0 21.3 10711322.520.0µg/LTrichloroethene 70-130 5.4 20.0 22.4 11212124.120.0µg/LTrichlorofluoromethane 60-140 7.3 20.0 21.5 10811222.320.0µg/L1,2,3-Trichloropropane 70-130 3.6 20.0 21.1 10611422.720.0µg/L1,2,4-Trimethylbenzene 70-130 7.3 20.0 21.0 10511322.520.0µg/L1,3,5-Trimethylbenzene 70-130 6.8 20.0 22.3 11211522.920.0µg/LVinyl Acetate 60-140 2.6 20.0 22.8 11412124.220.0µg/LVinyl Chloride 60-140 5.9 20.0 20.5 10310821.520.0µg/Lo-Xylene 70-130 4.7 20.0 42.2 10611144.240.0µg/Lm,p-Xylene 70-130 4.6 20.0 1021044-Bromofluorobenzene (S)70-130 102102Dibromofluoromethane (S)70-130 1031001,2-Dichloroethane - d4 (S)70-130 96.897.2Toluene-d8 (S)70-130 Page 12 of 12Date:02/25/2022 09:25 AM Page 54 of 56 Fed Ex UPS US Postal Client Lab Courier Other : Shipment Receipt Form Customer Number: Customer Name: Report Number:22-049-0013 Pyramid Environmental, Inc 01168 Shipping Method Shipping container/cooler uncompromised? Thermometer ID:IRT-15 3.4C Chain of Custody (COC) present?Yes No Yes No Not Present Yes No Not Present Yes No COC agrees with sample label(s)? Yes No COC properly completed Samples in proper containers? Sample containers intact? Sufficient sample volume for indicated test(s)? All samples received within holding time? Cooler temperature in compliance? Yes No Yes No Yes No Yes No Yes No Yes NoCooler/Samples arrived at the laboratory on ice. Samples were considered acceptable as cooling process had begun. Yes No Yes No N/A Yes No N/A Yes No N/ASoil VOA method 5035 – compliance criteria met Water - Sample containers properly preserved Water - VOA vials free of headspace Yes No N/A Trip Blanks received with VOAs Low concentration EnCore samplers (48 hr) High concentration pre-weighed (methanol -14 d) Low conc pre-weighed vials (Sod Bis -14 d) High concentration container (48 hr) Custody seals intact on shipping container/cooler? Custody seals intact on sample bottles? Number of coolers/boxes received Yes No 1 Signature:Sarah J. Locklear Date & Time:02/18/2022 14:04:03 Special precautions or instructions included? Comments: Page 55 of 56 Page 56 of 56 APPENDIX C Date Average Contaminant Concentrations in Monitoring Wells[µg/L]Monitoring Well Area[m2]Estimated Plume Height[m]EstimatedPorosity [%]Estimated Groundwater Contaminant Mass Based on Average Contaminant Concentrations in Monitoring Wells [µg]Estimated Groundwater Contaminant Mass Based on Average Contaminant Concentrations in Monitoring Wells [kg]Estimated Groundwater Contaminant Mass Based on Average Contaminant Concentrations in Monitoring Wells [lb.]Estimated Total Groundwater Mass Reduction Rate Based on Average VOC Concentrations in Monitoring Wells[%]6-Oct-15 10803.73 646.61 1020% 1.40E+10 14.00 30.86018-Jul-17 6240.99 646.61 10 20%8.07E+09 8.07 17.79 42.23%16-Jan-18 8549.98 646.61 10 20%1.11E+10 11.06 24.38 20.86%22-Aug-18 9203.25 646.61 10 20%1.19E+10 11.90 26.24 14.81%5-Mar-19 1757.40 646.61 10 20% 2.27E+09 2.27 5.01 83.73%18-Sep-19 1228.25 646.61 10 20% 1.59E+09 1.59 3.50 88.63%12-Mar-20 1465.19 646.61 10 20% 1.89E+09 1.89 4.18 86.44%26-Aug-20 580.37 646.61 10 20% 7.51E+08 0.75 1.65 94.63%10-Mar-21 333.10 646.61 10 20% 4.31E+08 0.43 0.95 96.92%17-Feb-22 568.43 646.61 10 20% 7.35E+08 0.74 1.62 94.74%1.40E+10 µg or 14 kg is the adopted baseline for the groundwater contaminant mass at the site.Estimated Groundwater Contaminant Mass Calculation & Reduction RateTaylor's Grocery - NCDEQ Incident # 98461610 NC Highway 61 S., Whitsett, NC 27377 APPENDIX D Calculation of Hydrocarbon Mass Removal as Gasoline from SVE Systempage 2 of 2SITE: Taylor's Grocery DATE:Total Removed from the previous spreadsheet:0.0gallons Date of last Spreadsheet:Step #2 - Calculate Mass Removal Rate for Hydrocarbons as GasolineFlow Relative Humidity OVA/OVMDate Rate Temp Temp Temp HumidityBws *PPMw Qstd K PPMc Cc PMRc PMRg(cfm) (deg. F) (deg. C) (deg. R)%(mass ratio)(ppm) (dscfm)**(ppm) (lb/hr) (lb/hr)9-May-16 110.0 55 12.78 515 95.000 0.0088 120 111.79 6 713.69 0.0000222 0.1491 0.172626-May-16 110.0 85 29.44 545 55.000 0.0143 120 105.05 6 709.73 0.0000221 0.1393 0.16132-Jun-16 100.0 85 29.44 545 70.000 0.0183 120 95.11 6 706.85 0.0000220 0.1257 0.145416-Jun-16 80.0 90 32.22 550 85.000 0.0263 120 74.78 6 701.06 0.0000218 0.0980 0.113430-Jun-16 100.0 85 29.44 545 50.000 0.0129 120 95.63 6 710.69 0.0000221 0.1270 0.147014-Jul-16 80.0 95 35.00 555 70.000 0.0253 120 74.19 6 701.81 0.0000219 0.0973 0.112628-Jul-16 80.0 95 35.00 555 65.000 0.0234 120 74.33 6 703.16 0.0000219 0.0977 0.113015-Sep-16 80.0 80 26.67 540 60.000 0.0137 140 77.15 6 828.49 0.0000258 0.1195 0.138322-Sep-16 80.0 80 26.67 540 60.000 0.0137 135 77.15 6 798.90 0.0000249 0.1152 0.133320-Oct-16 80.0 78 25.56 538 50.000 0.0106 130 77.68 6 771.70 0.0000240 0.1120 0.12973-Nov-16 80.0 81 27.22 541 45.000 0.0106 130 77.25 6 771.76 0.0000240 0.1114 0.129017-Nov-16 80.0 69 20.56 529 55.000 0.0083 450 79.19 6 2677.64 0.0000834 0.3963 0.45861-Dec-16 80.0 65 18.33 525 50.000 0.0065 440 79.93 6 2622.73 0.0000817 0.3918 0.453415-Dec-16 80.0 62 16.67 522 50.000 0.0059 440 80.44 6 2624.48 0.0000818 0.3946 0.45675-Jan-17 80.0 55 12.78 515 65.000 0.0060 180 81.53 6 1073.57 0.0000334 0.1636 0.189319-Jan-17 80.0 62 16.67 522 60.000 0.0071 175 80.35 6 1042.58 0.0000325 0.1566 0.18122-Feb-17 80.0 70 21.11 530 65.000 0.0102 180 78.89 6 1069.03 0.0000333 0.1576 0.182416-Feb-17 80.0 65 18.33 525 55.000 0.0072 170 79.88 6 1012.66 0.0000315 0.1512 0.17503-Mar-17 80.0 81 27.22 541 60.000 0.0136 160 77.02 6 946.94 0.0000295 0.1363 0.157716-Mar-17 80.0 60 15.56 520 70.000 0.0077 180 80.61 6 1071.69 0.0000334 0.1615 0.186920-Apr-17 80.0 85 29.44 545 55.000 0.0143 175 76.40 6 1035.03 0.0000322 0.1478 0.171011-May-17 80.0 85 29.44 545 70.000 0.0183 160 76.09 6 942.47 0.0000294 0.1340 0.155127-Jun-17 80.0 90 32.22 550 85.000 0.0263 160 74.78 6 934.75 0.0000291 0.1306 0.1512Step #1 - Calculate Vapor Flow Rate Step #3 - Calculate Total Hydrocarbons RemovedExhaust Exhaust Exhaust Flow System System Total Total Date Diam. AreaVelocity Rate Date PMRg Operation Operation Removed Removed(inches)(ft2)(ft/sec) (cfm) (lb/hr) (days) (hours) (lbs) (gallons)9-May-16 0.1726 12 288.0 49.7 8.026-May-16 0.1613 11 264.0 42.6 6.8 2-Jun-16 0.1454 8 192.0 27.9 4.516-Jun-16 0.1134 13 312.0 35.4 5.730-Jun-16 0.1470 10 240.0 35.3 5.614-Jul-16 0.1126 12 288.0 32.4 5.2 KEY28-Jul-16 0.1130 13 312.0 35.3 5.6Field Data15-Sep-16 0.1383 28 672.0 92.9 14.9From Web22-Sep-16 0.1333 7 168.0 22.4 3.6Int. Calc.20-Oct-16 0.1297 22 528.0 68.5 11.0Transferred3-Nov-16 0.1290 13 312.0 40.2 6.4Results17-Nov-16 0.4586 14 336.0 154.1 24.71-Dec-16 0.4534 6 144.0 65.3 10.415-Dec-16 0.4567 14 336.0 153.4 24.65-Jan-17 0.1893 20 480.0 90.9 14.519-Jan-17 0.1812 13 312.0 56.5 9.02-Feb-17 0.1824 13 312.0 56.9 9.116-Feb-17 0.1750 13 312.0 54.6 8.73-Mar-17 0.1577 14 336.0 53.0 8.516-Mar-17 0.1869 12 288.0 53.8 8.620-Apr-17 0.1710 30 720.0 123.1 19.711-May-17 0.1551 21 504.0 78.2 12.527-Jun-17 0.1512 46 1104.0 166.9 26.7Set CurrentTotal hydrocarbons removed as gasoline : 254.3 gallons * See Psychrometric Calculators at:Total hydrocarbons removed as gasoline: 1589.4 lbshttp://www.learninghelper.com/psyc/psyc_cal.cgiorTotal hydrocarbons removed as gasoline (to date): 254.3 gallonshttp://www.monachos.gr/en/calculators/psychrometrics.asp ** For OVA (FID) calibrated with Methane, K=1; Calculations based on NCDENR - UST Section Guidelines - Appendix B, Pages B-74 to B-75 For OVM (PID) calibrated with Hexane, K=6. 14-Jul-17na