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Home My WebLink AboutMO-4283_13543_CA_MRP_20201215_October 2020 Monitoring ReportOCTOBER 2020 GROUNDWATER MONITORING REPORT FORMER PRESLAR'S EXXON 901 NC HWY 24/27 MIDLAND, CABARRUS COUNTY, NORTH CAROLINA GROUNDWATER INCIDENT # 13543 NCDOT PROJECT # R-061513 NCDOT WBS # 34348.3.5 UIC PERMIT #W10300282 Prepared for: North Carolina Department of Transportation Geotechnical Engineering Unit 1589 Mail Service Center Raleigh, NC 27699-1589 Prepared by: Draper Aden Associates 114 Edinburgh South Drive, Suite 200 Cary, NC 27511 DAA Project No. 17117301-010701 December 15, 2020 Michael W. Branson, P.G. Senior Geologist William D. Newcomb, P.G. Senior Program Manager TABLE OF CONTENTS 1.0 INTRODUCTION..................................................................................................... 1 1.1 SITE BACKGROUND.............................................................................................................................1 2.0 GROUNDWATER MONITORING........................................................................... 5 2.1 GROUNDWATER ELEVATIONS........................................................................................................5 2.2 GROUNDWATER SAMPLING............................................................................................................6 2.3 GROUNDWATER MONITORING RESULTS..................................................................................6 2.3.1 BENZENE DISTRIBUTION IN SHALLOW GROUNDWATER....................................................7 2.3.2 MANN-KENDALL TREND ANALYSES............................................................................................7 3.0 CONCLUSIONS........................................................................................................9 REFERENCES.....................................................................................................................10 FIGURES Figure 1 Site Location Map Figure 2 Site Map Figure 3 Water Supply Well Locations Figure 4 Injection Points Map Figure 5 Shallow Groundwater Potentiometric Surface Map — October 2020 Figure 6 Benzene Isoconcentration Map — October 2020 TABLES Table 1 Summary of Groundwater Elevation Data Table 2 Water Supply Well Information Table 3 Summary of Field Parameters Table 4 Summary of Post -Injection Groundwater Analytical Results Table 5 Summary of Historical Groundwater Analytical Results APPENDICES Appendix A Laboratory Analytical Report Appendix B Groundwater Concentration Trends in Selected Wells Site Name and Location: Facility ID Number: Latitude and Longitude: Date of Report: Land Use Category: UST System Owner: Former Preslar's Exxon 901 Hwy 24/27 Midland, North Carolina 00-0-0000007704 35.265833 North, 80.558333 West December 1, 2020 Industrial (Highway) Former Preslar's Exxon Land Owner: North Carolina Department of Transportation Geotechnical Engineering Unit 1589 Mail Service Center Raleigh, North Carolina 27699-1589 Phone:919-707-6859 Consultant: Draper Aden Associates 114 Edinburgh South, Suite 200 Cary, North Carolina 27511 Attn: Mr. Mike Branson Phone: 919-827-0864 Release Information: The UST system at the referenced site included one 2,000-gallon and two 3,000- gallon gasoline USTs and one 550-gallon kerosene UST. The gasoline and kerosene tanks were located in two different areas, now occupied by the median of NC Highway 24/27. A Comprehensive Site Assessment indicated that groundwater was contaminated with petroleum constituents. No free product was detected. In 2014, a Corrective Action Plan Addendum that proposed injection of a sulfate substrate was approved. Injections were completed in May 2015 and April 2016 with the results suggesting decreased contaminant concentrations. Seal and Signature of Certifying Licensed Geologist I, Michael W. Branson, a Licensed Geologist for Solutions-IES, do certify that the information contained in this report is correct and accurate to the best of my knowledge. wl \EN....4 "IkIA4f 9 Michael W. Branson, P.G. $E Al_ NC License No.467 A67 ��'•f,OLOG�.'.•' Sir rrrrrr: W. 6 tON1, 11H�� Draper Aden Associates, is licensed to practice geology in North Carolina. The certification number of the company or corporation is C-379. ii October 2020 Groundwater Monitoring Report Former Preslar's Exxon Midland, Cabarrus County, NC 1.0 INTRODUCTIO DAA Project No. 17117301-010701 NCDOT WBS # 34348.3.5 December 1, 2020 Draper Aden Associates (DAA), is continuing to implement the approved groundwater remediation program at the Former Preslar's Exxon Site (Site) located at 901 NC Hwy 24/27 in Midland, Cabarrus County, North Carolina (Figure 1). This October 2020 Groundwater Monitoring Report was prepared for the North Carolina Department of Transportation (NCDOT) Geotechnical Engineering Unit to document the groundwater conditions in accordance with Underground Injection Control (UIC) Program Permit No. W10300282. It describes the activities and results of the groundwater sampling event that took place in October and November 2020, which included sampling and analyses at monitoring wells MW- 1, MW-4, MW-13, Perimeter Compliance Wells MW-3, and MW-12, and water supply wells WSW-10 and WSW-11, completed from October 14 and November 4, 2020. 1.1 SITE BACKGROUND Prior to NCDOT acquisition, the Site was operated as a convenience store and gasoline station from 1968 to 1994 (S&ME, 2001). The underground storage tank (UST) system at the former station consisted of four USTs and one pump island with associated product dispensers. The NCDOT purchased the property from Mr. Walter Preslar in 1994 and removed the USTs from the Site during tank closure activities in January 1995. The NCDOT demolished the remaining building on site shortly after the tank closure activities to accommodate widening NC Highway 24/27. After road construction was finished, the grass median between the eastbound and westbound lanes of NC Highway 24/27 contained the former UST basin. In August 1995, S&ME, Inc. (S&ME) completed a receptor survey that identified 13 water supply wells located within 1,500 feet of the site. These wells resulted in the site receiving a high -risk groundwater classification. Subsequent to the classification, the NCDOT successfully negotiated closure of all but two of the wells. Thirteen monitoring wells (Table 1 and Figure 2) have been installed at the Site since the USTs were removed in 1995. A Comprehensive Site Assessment (CSA) completed in August 2001 (S&ME, 2001) identified petroleum contamination in groundwater originating from a probable source area near the former gasoline USTs shown on Figure 2 at MW-1 and MW-5. A CSA addendum in January 2002 October 2020 Groundwater Monitoring Report Former Preslar's Exxon Midland, Cabarrus County, NC DAA Project No. 17117301-010701 NCDOT WBS # 34348.3.5 December 1, 2020 completed the groundwater plume delineation (S&ME, 2002a). S&ME completed the soil contamination delineation and prepared a second addendum in November 2002 (S&ME, 2002b). The CSA reported detections of petroleum constituents above 15A NCAC 2L 0.0202 Groundwater Standards (NC 2L Standards) in four of the 13 monitoring wells (MW-1, MW-3, MW-4, and MW-5). Benzene, ethylbenzene, toluene, total xylenes, methyl -tert- butyl ether (MTBE), isopropylether (IPE), naphthalene, CS-C8 aliphatics, C9-C18 aliphatics, and C9-C22 aromatics exceeded the NC 2L Standards in one or more of the monitoring wells. The analyses also detected the halogenated compounds chloroform, bromodichloromethane, and dibromochloromethane above NC 2L Standards in groundwater samples collected from monitoring wells MW-3, MW-6, MW-7 and MW-8 located south of NC Highway 24/27. These trihalomethanes in the groundwater were presumed to be the result of well construction activities that used treated municipal water in the well construction process. The CSA concluded that the presence of these halogenated compounds in the groundwater was not likely related to the petroleum -release incident at the Site. In March 2005, Solutions-IES (SIES), now Draper Aden Associates (DAA) prepared a Corrective Action Plan (CAP) for the North Carolina Department of Environment and Natural Resources, now the North Carolina Department of Environmental Quality (NCDEQ) UST Section, Mooresville Regional Office (MRO), that recommended in situ chemical oxidation (ISCO) using an iron- and steam -activated sodium persulfate injection as the remediation alternative (SIES, 2005). From 2005 to 2012, the NCDOT made attempts to reduce the risk classification of the site by identifying and abandoning nearby water supply wells within 1,000 feet and irrigation wells within 250 feet of the source area (Figure 3, Table 2). However, a replacement well for the closest irrigation well (WSW-11) did not yield sufficient water for the owner's use, so the original irrigation well was not abandoned. Access to two of the wells was not available and these wells could not be abandoned. As a result, risk re-classification was no longer permissible and not pursued further. October 2020 Groundwater Monitoring Report Former Preslar's Exxon Midland, Cabarrus County, NC DAA Project No. 17117301-010701 NCDOT WBS # 34348.3.5 December 1, 2020 Groundwater sampling completed by SIES subsequent to the CAP indicated that groundwater was anaerobic, not aerobic and ISCO would not be a suitable remedy. Instead, a CAP Addendum (SIES, 2012) compared a sulfate -enhanced bioremediation using EAS® (for anaerobic conditions) with vacuum extraction/air sparging. The CAP Addendum recommended the sulfate -enhanced bioremediation as the preferred groundwater remedy. The UST Section MRO issued a Notice of Regulatory Requirements (NORR) to NCDOT dated August 14, 2012, requesting results of pilot testing of the EAS® technology before completing their review of the addendum. SIES implemented the pilot test in June 2012, and submitted the EAS Technology Evaluation Report (SIES, 2013) on January 23, 2013. The UST Section MRO provided approval of the CAP Addendum in a NORR dated August 14, 2013. On March 31, 2015, the NCDOT received Injection Permit W10300282 from the NCDEQ Division of Water Resources (DWR) UIC Program for the installation of 21 injection wells and approval to inject EAS® substrate into the groundwater at the Site. In April 2015, 19 permanent injection wells were installed at the site. Two previously installed pilot study wells were used as injection wells, which brought the total number of injection wells to 21 (Figure 4). The initial full-scale injection event was performed from May 18 to 20, 2015, in which 1,113 gallons of EAS® were injected (SIES, 2015). Following the injection, SIES conducted post -injection groundwater monitoring events at 1-, 3-, and 6- month intervals. The analytical results indicated that petroleum compounds were decreasing in the 1- and 3-month intervals, but had increased to pre -injection concentrations at the 6-month interval. Based on these results, SIES and NCDOT requested approval to conduct a second injection event. A second injection event was approved and was conducted in April 2016 (SIES, 2016). From April 11 to 14, 2016, SIES gravity -fed EAS® into each injection point directly from the 55-gallon drum in which it was shipped. As with the first injection event, 1,113 gallons of EAS° were injected into the 21 injection wells. A subsequent 6-month post -injection groundwater monitoring event indicated a reduction in contamination. On June 1, 2016, the NCDEQ issued "North Carolina Petroleum UST Release Corrective Action Phase Project Management: A Calibrated Risk -based Corrective Action Decision & Implementation Guide." 3 October 2020 Groundwater Monitoring Report Former Preslar's Exxon Midland, Cabarrus County, NC DAA Project No. 17117301-010701 NCDOT WBS # 34348.3.5 December 1, 2020 This document states that when groundwater contamination is below the Gross Contaminant Levels (GCLs) and is shown to be stable, active remediation may be halted and either MINA continues or the site is closed. Based on the April 2016 data, the NCDEQ directive, and conversations with the NCDEQ incident manager for this site, the NCDOT directed that monitoring -only was required for the Site. Following the receipt of the October 2017 Groundwater Monitoring Report, the NCDEQ, by a Notice of Regulatory Requirements (NORR) dated January 9, 2018, approved a request to change the frequency of sampling from semi-annual to annual. After submitting the October 2018 report, the NCDEQ issued another NORR that reduced the number of monitoring wells sampled (MW-1, MW-3, MW-4, MW-12, and MW-13), requested editorial changes to the report, and directed that all future monitoring reports be submitted by November 30 of each year. October 2020 Groundwater Monitoring Report Former Preslar's Exxon Midland, Cabarrus County, NC DAA Project No. 17117301-010701 NCDOT WBS # 34348.3.5 December 1, 2020 2.0 GROUNDWATER MONITORING The approved injection permit monitoring plan requires groundwater level measurement and sampling at the 13 monitoring wells. As noted above, this plan was modified to reduce the number of wells sampled. The modified sampling plan included wells MW-1, MW-4, MW-13, and perimeter wells MW-3, and MW- 12. The permit also requires that groundwater samples be collected from two water supply wells (WSW-10 and WSW-11). Sampling for the modified plan, including water supply wells, was completed on October 14, 2020, and results addressed in this report. After completing the sampling, the samples were transported to the laboratory; however, the laboratory notified DAA that the cooler containing the VOC samples had malfunctioned and the samples were outside the temperature parameters. The temperature did not affect the sulfate samples. DAA resampled the VOCs in the monitoring and water supply wells on November 4, 2020. All elevations and field parameters were recorded during the October sampling event. 2.1 GROUNDWATER ELEVATIONS Prior to collecting groundwater level measurements, DAA personnel opened each monitoring well to allow the water level to equilibrate with atmospheric pressure. Field personnel used an electronic water level indicator with a decontaminated down -hole probe to measure water levels in each monitoring well. The depth -to -water measurements were converted to elevations by subtracting the depth -to - water measurement from the top -of -casing elevation that was surveyed by the NCDOT. Table 1 presents the October 2020 water level data and previous water level measurements. The data show that seasonal fluctuations in groundwater elevation on the order of several feet can occur. The groundwater elevation data for wells screened in the shallow aquifer were used to develop a shallow potentiometric surface map for October 2020 (Figure 5). The groundwater contour map shows that shallow groundwater generally flows to the southeast, which is similar to previous findings. However, because bedrock is present at a depth of about 4 to 6 ft bgs, preferential groundwater flow may be fracture -controlled and local variations to the apparent flow direction may be present. October 2020 Groundwater Monitoring Report Former Preslar's Exxon Midland, Cabarrus County, NC 2.2 GROUNDWATER SAMPLING DAA Project No. 17117301-010701 NCDOT WBS # 34348.3.5 December 1, 2020 DAA collected groundwater samples using low -flow purging methods after measuring the water level in each of the sampled monitoring wells. While purging, personnel recorded pH, temperature, specific conductance, dissolved oxygen (DO), and oxidation-reduction potential (ORP) (Table 3) until each parameter stabilized or until the wells were nearly purged dry. The water sample from well WSW-10 was collected by lowering a submersible pump into the well, and from well WSW-11 by using the existing well pump and pressure tank. The pumps were run for approximately 15 minutes to purge the system and obtain a representative sample. Groundwater samples from the monitoring wells were collected directly into laboratory -supplied containers via peristaltic pump. Groundwater samples from the water supply wells were collected from the nearest available spigot to the pressure tank or from the pump tubing directly into the bottles. The samples were stored on ice and transported under chain -of -custody control to Pace Analytical Services (Pace Lab) in Huntersville, North Carolina for analysis of sulfate by EPA Method 300.0 and volatile organic compounds (VOCs) by SM 6200B. 2.3 GROUNDWATER MONITORING RESULTS Table 4 summarizes the results of the target compounds detected since the initial injection was conducted and Table 5 summarizes the historical results of all detections. The applicable NC 2L Standards are included for comparison. The laboratory analytical report for the October 2020 monitoring event is provided in Appendix A. Constituents detected above their respective NC 2L Standards on the October 2020 monitoring event include: • Benzene (MW-4, MW-13), • Naphthalene (MW-13). October 2020 Groundwater Monitoring Report Former Preslar's Exxon Midland, Cabarrus County, NC DAA Project No. 17117301-010701 NCDOT WBS # 34348.3.5 December 1, 2020 Constituents detected at less than their respective NC 2L Standard on the October 2020 monitoring event include: • Ethylbenzene (MW-4, MW-12, MW-13) • IPE (MW-4, MW-12) • Toluene (MW-4, MW-13) • Total xylenes (MW-4, MW-13) • 1,2,4-Trimethylbenzene (MW-4, MW-13), Sulfate was detected at less than the NC 2L Standard on the October 2020 event from all sampled wells. In addition to the monitoring wells, two non -potable water supply wells (WSW-10 and WSW-11) were sampled and analyzed for VOCs and sulfate. No VOCs were detected in either sample. Sulfate was detected at concentrations below the 2L Standard in WSW-10 (40.5 mg/L) and WSW-11 (38.4 mg/Q. The concentration in well WSW-11 was of concern to the NCDEQ because the initial post -injection samples indicated an increase in sulfate in that well sample. However, the sulfate concentration in this well has decreased since August 2015 and is stable at the baseline concentration (Appendix B). As shown on Table 5, the constituents detected above their respective 2L Standard are within the post- 2015 full-scale injection historical range. 2.3.1 BENZENE DISTRIBUTION IN SHALLOW GROUNDWATER Figure 6 presents interpreted lateral extent of benzene concentration in the shallow groundwater. Although several compounds have been detected in the site groundwater, only benzene and naphthalene have been detected on a consistent basis. Because benzene and naphthalene were present in the same wells, benzene was chosen to represent the contaminant plume configuration. 2.3.2 MANN-KENDALL TREND ANALYSES DAA conducted Mann -Kendall single -well trend analyses on benzene and naphthalene concentrations in monitoring wells MW-4 and MW-13, and benzene in well MW-1 where these compounds were consistently above the 2L Standards (Appendix B) in at least five sampling events since the start of injection. During previous sampling events, sulfate was detected in irrigation well WSW-11 at October 2020 Groundwater Monitoring Report Former Preslar's Exxon Midland, Cabarrus County, NC DAA Project No. 17117301-010701 NCDOT WBS # 34348.3.5 December 1, 2020 increasing concentrations after the injection events. Based on these results, NCDEQ requested an evaluation of sulfate concentration trends. Although sulfate has not been detected above the 2L Standard in this well, DAA presented the data and conducted the Mann -Kendall analysis to support the conclusions below. • Benzene concentration trends are stable in well MW-4 and decreasing in wells MW-1 and MW- 13. • Naphthalene concentration trends are stable in MW-4 and decreasing in MW-13. • Sulfate concentrations are "probably" (based on Mann -Kendall analysis terminology) decreasing in well WSW-11. 8 October 2020 Groundwater Monitoring Report Former Preslar's Exxon Midland, Cabarrus County, NC 3.0 CONCLUSIONS DAA Project No. 17117301-010701 NCDOT WBS # 34348.3.5 December 1, 2020 The petroleum source area for the Site is located in the median of NC Highway 24/27. The contaminant plume encompasses the source area and a limited area along the eastbound right-of-way. Based on the available data, shallow groundwater appears to flow to the southeast. The primary constituents detected at concentrations above the NC 2L Standards are limited to benzene and naphthalene (October 2020 monitoring results). Mann -Kendall trend analyses indicated that benzene and/or naphthalene concentrations are decreasing or stable in MW-1, MW-4 and MW-13. Although other VOCs were detected in these wells, their concentrations were either below the NC 2L Standards or did not have sufficient data points above the 2L Standard for the statistical analysis. With respect to sulfate, the Mann -Kendall shows a probably decreasing trend. In accordance with the 2016 NCDEQ Decision & Implementation Guide, target analytes that demonstrate concentrations of concern were compared to the Gross Contaminant Levels (GCLs) (Table 4). Benzene and naphthalene are below the GCLs and appear stable or decreasing in the areas of highest concentrations (Appendix B). However, as discussed below, NCDEQ continues to classify the Site as "High Risk". In July 2017, SIES, on behalf of the NCDOT, submitted a Risk Reclassification Request for the Site to the NCDEQ (SIES, 2017). The July 2017 Report supported the request using site history and analytical results to determine trends in plume size (decreasing), contaminant mass (decreasing), center of plume stability (stable), location of the plume within the NCDOT right-of-way, and no contaminant concentrations detected in the non -potable wells. The NCDEQ reviewed the July 2017 Reclassification Report, and requested confirmation that sulfate concentrations in well WSW-11 were not increasing. Based on the results of the previous sampling events and the October 2020 sampling event, sulfate has always been below the NC 2L Standard and has a stable trend. As a result, the NCDOT requests the NCDEQ consider reclassifying the Site as Intermediate or Low Risk. October 2020 Groundwater Monitoring Report Former Preslar's Exxon Midland, Cabarrus County, NC REFERENCES DAA Project No. 17117301-010701 NCDOT WBS # 34348.3.5 December 1, 2020 S&ME, 2001. Comprehensive Site Assessment, Preslar's Exxon, prepared by S&ME, 3118 Spring Forest Road, Raleigh, North Carolina, August 27, 2001. S&ME, 2002a. Comprehensive Site Assessment Addendum, Preslar's Exxon, prepared by S&ME, 3118 Spring Forest Road, Raleigh, North Carolina, January 25, 2002. S&ME, 2002b. Comprehensive Site Assessment Addendum II, Preslar's Exxon, prepared by S&ME, 3118 Spring Forest Road, Raleigh, North Carolina, November 7, 2002. Solutions-IES (SIES), 2005. Corrective Action Plan, FormerPreslar's Exxon, prepared by Solutions-IES, Inc., 1101 Nowell Road, Raleigh, North Carolina, March 2005. SIES, 2012. Corrective Action Plan Addendum, Former Preslor's Exxon, prepared by Solutions-IES, Inc., 1101 Nowell Road, Raleigh, North Carolina, March 2005. SIES, 2013. EAS Technology Evaluation Report, prepared by Solutions-IES, Inc., 1101 Nowell Road, Raleigh, North Carolina, January 23, 2013. SIES, 2015. Baseline Groundwater Monitoring Report, Former Preslar's Exxon, 907 Hwy 24127, Midland, Cabarrus County, North Carolina, Groundwater Incident #73546, NCDOT Project # R-0675B, NCDOT WBS # 34348.3.5, prepared by Solutions-IES, Inc., 1101 Nowell Road, Raleigh, North Carolina, January 23, 2013. SIES, 2016. March 2076 Groundwater Monitoring and April 2076 Injection Event Report, Former Preslar's Exxon, 907 Hwy 24127, Midland, Cabarrus County, North Carolina, Groundwater Incident #73546, NCDOT Project # R-0675B, NCDOT WBS # 34348.3.5, prepared by Solutions-IES, Inc., 1101 Nowell Road, Raleigh, North Carolina, May 18, 2016. SIES, 2017, Former Preslar's Exxon Risk Reclassification Request, 901 Hwy 24/27, Midland, North Carolina, Groundwater Incident No. 13543, UIC Permit W10300282, prepared by Solutions-IES, a division of Draper Aden Associates, 1101 Nowell road, Raleigh, North Carolina, July 27, 2017. 10 FIGURES o c700-,' 3o � W 6sO `� �J J a a � o _ 700 � -E c O O O HONE 0 J � LL \ (i- SAC \VI w� Y w 000 700 2 O �' 0 p 650 i = 650 PR o w a I U �J 00 24 - UU� vV � C�' o a m o 27 ° g l� SIT o E�o J0— J J 65 h .IVudUy Lu"'r V Q O 600� S JCabaPl'l13 O Qz o 6(f o r .SL£E 650 yyo Q l�- OPT C \ J650 \ f � I 600 65J0 � RD 1 O O CABARRUS-STATION \ O N �p m REFERENCE: USGS 7.5 MINUTE TOPOGRAPHIC MAP MIDLAND, NC 2013 CONCORD SE, NC 2013 61 so a LL 0 2000 4000LU SCALE IN FEET �V:0\1 Il a Draper Aden Associates SITE LOCATION MAP FIGURE: Engineering •Surveying •Environmental Services FORMER PRESLAR'S EXXON 901 NC HWY 24/27 NCDOT PROJECT R-061513, WBS 34348.3.5 1 114 Edlnbunih South Drlve, Sulte 200 . Richmond, VA • Hampton Roads, VA Cary, NC 27511 • Fayetteville, NC 919473-1060 Faz: 919.873-1074 • Blacksburg, VA w da 2. •Charlottesville, VA • Northern Virginia NC Firm License#C-0861 • Virginia Beach, VA MIDLAND, CABARRUS COUNTY, NORTH CAROLINA J:\Project Files\NCDOT\GeoEnvironmental\3940.07A3.NDOT Preslar's Sampling -Trust & Fund Reimb\CAD\Current Drawings\Preslars Baseline.dwg A I LJ r„ wsw-s N \ D Z7 HOUSE � r1 usE \� o m o WSW-6 �- — — — — — — — — — — — — — — — — — — -----------�--- CWp OM MW-2 7� NC HIGHWAY 24/27 ( WEST BOUND LANE) ud U� MW-6 OMW-1 O -11 a MW-10 NC HIGHWAY 24127 (EAST BOUND LANE) In wY Q of ❑ T HOUSE /� mm W O Y U = WSW-9 U rn WSW-10 o WSW- M8 \ \ )MW-4 MW-9 3 MW-12 )USE MW-6O / rlousi WSW-12 MWO-7 X //T--------- y \� 3 \ N \ C \ m m \ \ \ WSW-13 a` w \J w \ 1 FIGURE: a Draper Aden Associates SITE MAP Engineering •Surveying •Environmental Services FORMER PRESLAR'S EXXON 901 NC HWY 24/27 2 114 Etllnburgh South Drlve, SW200 . Richmond, VA •Hampton Roads, VA Cary, NC2]511 •Fayettevil le, NC NCDOT PROJECT R-0615B, WBS 34348.3.5 919473-1060 Faz: 919.873-1074 • BlacNsttesville, bnrg, VA VA -daa.com •• NC Firm License#C-0861 Charlo•ViNorthern Virginia rgima Beach, VA MIDLAND, CABARRUS COUNTY, NORTH CAROLINA LEGEND Q SHALLOW MONITORING WELL Q DEEP MONITORING WELL WATER SUPPLY WELL -- PROPERTY LINE Notes: Base map provided by S&ME, Inc. and Cabarrus County GIS. Monitoring well locations are approximate. 0 150 300 SCALE IN FEET i o / O O WC) / m0 co � Z � H � r U� oXaW / QO WSW- / LmL w / o WSW- m 02 W Y v p0 � / WS 11-1 /WSW-2! O / \ ;�/ / Q . / WSW-14 0 u a WSW--15 � — PpW W-3 I o WSW-6 -- -- ---------- w �— W W-17�—�-- U / �VSW1�I 2�p0 / �BI V IO o ILwsw-12 ILL b wS -d wsw-9 ILE \\ \ �pp0 \ \ 1 WSW-131� W LEGEND \ I \ WATER SUPPLY WELL I \ PROPERTY LINE I \ I \ 3 I \ a \ N Notes: \ I \ @ Base map provided by S&ME, Inc. and Cabarrus County \ I y GIS. Monitoring well locations are approximate. \ N a o v 0 500 1000 \ rn \ JM \ I \ SCALE IN FEET \ a Draper Aden Associates Engineering • Surveying • Environmental Services 114Edinburgh South nrive, Sui[ 200 . Richmond, VA • Hampton Roads, VA Cary, NC 27511 • Fayetteville, NC 919-873.1060 Faz: 919473,1174 •Blacksburg, VA —.daacom .• Charlottesville, VA ' Northern Virginia NC Firm U.—e N C-0861 • Virginia Beach, VA WATER SUPPLY WELL LOCATIONS FORMER PRESLAR'S EXXON 901 NC HWY 24/27 NCDOT PROJECT R-61513, WBS 34348.3.5 MIDLAND, CABARRUS COUNTY, NORTH CAROLINA I FIGURE: i' 0 0 0 ow CID z wMW_• I W-2 M1Q/-5 I W-4 o 1 1w-5 a I -1 W-3 • • • I W-6 MW-1 1 1 W_9 1 W-1 1 _7 IW-8 • • wY IW-10 11 0 MW-1 0 NC HIGHWAY 24/27 (EAST BC PIW-1 IW-14 IW-15 mCoLLI LLI ammMW- 31 -12 IW-13 M44 MW. • U • - IW • • IW-16 17 • • a PMW-2 IW-18 IW-19 U 0 of MW-13 a MW-1 20 N V O H 0 LEGEND O SHALLOW MONITORING WELL O DEEP MONITORING WELL — — PROPERTY LINE cm INJECTION POINT AND ID HOUSE N N m CO Notes: Base map provided by S&ME, Inc. and Cabarrus County GIS. Monitoring well locations are approximate. MW-5 is a deep well and non -detect. a 0 30 60 w J u- SCALE IN FEET aDraper Aden Associates INJECTION POINTS MAP FIGURE: Engineering •Surveying •Environmental Services FORMER PRESLAR'S EXXON 901 NC HWY 24/27 4 116 Edlnburgh South Drlve, Sulte 200 . Richmond, VA • Hampton Roads, VA Cary, NC 2]511 • Fayetteville, NC 919473-1060 Faz: 919.873-1010 • Blacksburg, VA w da 2. • Northern Virginia NCDOT PROJECT R-61513, WBS 34348.3.5 •Charlottesville, VA NC Firm License#C-0861 • Virginia Beach, VA MIDLAND, CABARRUS COUNTY, NORTH CAROLINA LEGEND - — — — 0l ^ \ Q SHALLOW MONITORING WELL 0 I ❑ I ED Q DEEP MONITORING WELL m WSW-5 o WATER SUPPLY WELL D -- PROPERTY LINE HOUSE ❑❑ m o r I H USE \ 651--- GROUNDWATER CONTOUR z I z� \ m w � � APPARENT DIRECTION OF p GROUNDWATER FLOW I I WSW-6 IL 658.56 GROUNDWATER ELEVATION (ft amsl) Notes: Base map provided by S&ME, Inc. and Cabarrus County — — -- — — — — — — — — — — — — — — — — — — GIS. Monitoring well locations are approximate. 5 M W-2 K H- Groundwater flow direction is assumed withoutLU 6 (J Y consideration of preferential pathways associated with 658.56 LL Q bedrock. K Groundwater levels collected October 2020. MW-5 is a deep well and was not used in determining contour lines. MW-5 MW-1 0 75 150 7.70 MW-11 Li O O 656.58 Lu SCALE IN FEET MW-10 C HIGHWAY 24/27 ASyBOUND LANE) Do 657.86 657 MW-3 MW-9654.85 Lu 654.97 z 656.538 O / MW-13 � O 12 5/ / ----�-------656 655� ----------- a I / I ' CV CN WSW-10 g54' HODS N MW-6 O w ❑ I 653.75 a I WSW-11 0 I / ❑ MW-8 O 653.28 i I g53 � I / 652 / / MW-7 / \ \ 6Gj1' 650.67 Cn m 00 — — \\� �--- L m / a � Lu LL \ / I \ � FIGURE: aDraper Aden Associates SHALLOW GROUNDWATER POTENTIOMETRIC MAP - OCTOBER 2020 Engineering •Surveying •Environmental Services FORMER PRESLAR'S EXXON 901 NC HWY 24/27 5 114 Edinb,,gh SNC outh Drive, Suite 200 . Richmond, VA •Hampton Roads, VA Cary, F-9191 • Fayettevil le, NC NCDOT PROJECT R-0615B, WBS 34348.3.5 919.9]3-1060 Faz: 919.9]0.10]4 • BlaCksbUrg, VA wr....aaa # • Charlottesville, VA ' Northern Virginia NC Firm �i�ansaac-os61 •Virginia Beach,VA MIDLAND, CABARRUS COUNTY, NORTH CAROLINA -------�- CT L�l �\ rn WSW-5 I \ \ o � HOUSE m o r I H USE \\ �C D w m I \\ WSW-6 \\ `------------� - — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — U) M W-2 Y W � LL Q WEST BOUND LANE) MW-1 MW-5 o� MW-11 Y0 j O O amm MW-10 NC HIGHWAY 24/27 (EAST BOUND LANE) MW-3 m� OOM -4O MW-O9 1 .3 jma�v3 0 MW-12 w-— — — — — — — — — — — — — — ---------------- 0 a I �I rn I o 10CN I / HOUSE / MW-6 O / WSW-1 / o / LEGEND / O MW-8 O SHALLOW MONITORING WELL / O DEEP MONITORING WELL O / WATER SUPPLY WELL / - - PROPERTY LINE BENZENE ISOCONCENTRATION / LINE (1 pg/L) 3 26 BENZENE CONCENTRATION (Ng/L) MW-7 / O / � Notes: • / C Base map provided by S&ME, Inc. and Cabarrus County / m — GIS. Monitoring well locations are approximate. /L — — — — — M MW-5 is a deep well and non -detect. P 0 75 150 / a / LL � SCALE IN FEET FIGURE: aDraper Aden Associates BENZENE ISOCONCENTRATION MAP - OCTOBER 2020 Engineering •Surveying •Environmental Services FORMER PRESLAR'S EXXON 901 NC HWY 24/27 6 116 Etllnburgh South Drlve, Sul[e 200 .Richmond, VA • Hampton Roads, VA Cary, NC2]511 • Fayetteville, NC NCDOT PROJECT R-0615B, WBS 34348.3.5 919473-1060 Faz: 919.873-1070 • Blacksburg, VA w da 2. • Charlottesville, VA • Northern Virginia NC Firm License#C-0861 • Virginia Beach, VA MIDLAND, CABARRUS COUNTY, NORTH CAROLINA TABLES TABLE 1 Summary of Groundwater Elevation Data Former Preslar's Exxon 901 NC Hwy 24/27 Midland, Cabarrus County, North Carolina NCDOT Project R-0615B, WBS 34348.3.5 Incident #13543 DAA Project No. 17117301-010701 Well ID Date Installed Date Measured Well Casing Depth (ft bgs) Screened Interval (ft bgs) Bottom of Well (ft bgs) Top of Casing Elevation (ft amsl)' Depth to Water (ft btoc) Groundwater Elevation (ft amsl) MW-1 7/16/1998 7/16/1998 5 5-25 25 663.79 11.00 652.79 7/5/2001 10.40 653.39 12/17/2001 13.72 650.07 6/25/2003 4.54 659.25 1/19/2004 8.74 655.05 7/14/2004 11.14 652.65 2/2/2005 7.77 656.02 12/20/2007 14.59 649.20 12/30/2008 8.08 655.71 3/26/2009 6.14 657.65 10/8/2009 11.93 651.86 4/7/2010 6.35 657.44 10/13/2010 9.34 654.45 4/25/2011 7.55 656.24 8/1/2012 12.97 650.82 4/10/2013 6.89 656.90 10/8/2013 10.04 653.75 4/28/2015 5.65 658.14 6/16/2015 663.04 9.81 653.23 8/11/2015 12.47 650.57 11/16/2015 7.03 656.01 2/29/2016 5.00 658.04 10/17/2016 8.77 654.27 3/13/2017 7.98 655.06 10/2/2017 11.05 651.99 10/8/2018 11.39 651.65 10/8/2019 11.54 651.50 10/14/2020 5.34 657.70 MW-2 8/11/1998 8/11/1998 6 6-21.5 25 664.46 9.25 655.21 7/5/2001 10.43 654.03 12/17/2001 14.15 650.31 6/26/2003 4.15 660.31 1/19/2004 8.84 655.62 7/14/2004 11.10 653.36 2/2/2005 7.78 656.68 12/20/2007 14.90 649.56 12/30/2008 8.14 656.32 3/26/2009 6.00 658.46 10/8/2009 11.98 652.48 4/7/2010 6.11 658.35 10/13/2010 9.25 655.21 4/25/2011 7.46 657.00 8/1/2012 12.98 651.48 4/10/2013 6.80 657.66 10/8/2013 9.88 654.58 4/28/2015 5.48 658.98 6/16/2015 663.70 9.61 654.09 8/11/2015 12.35 651.35 11/16/2015 6.91 656.79 2/29/2016 4.72 658.98 10/17/2016 8.60 655.10 3/13/2017 8.02 655.68 10/2/2017 11.05 652.65 10/8/2018 11.47 652.23 10/8/2019 11.46 652.24 10/14/2020 5.14 658.56 1 of 7 TABLE 1 Summary of Groundwater Elevation Data Former Preslar's Exxon 901 NC Hwy 24/27 Midland, Cabarrus County, North Carolina NCDOT Project R-0615B, WBS 34348.3.5 Incident #13543 DAA Project No. 17117301-010701 Well ID Date Installed Date Measured Well Casing Depth (ft bgs) Screened Interval (ft bgs) Bottom of Well (ft bgs) Top of Casing Elevation (ft amsl)' Depth to Water (ft btoc) Groundwater Elevation (ft amsl) MW-3 8/11/1998 8/11/1998 5 5-25 25 663.79 11.00 652.79 7/5/2001 11.04 652.75 12/17/2001 14.13 649.66 6/26/2003 5.92 657.87 1/19/2004 9.41 654.38 7/14/2004 11.94 651.85 2/2/2005 8.50 655.29 12/20/2007 14.95 648.84 12/30/2008 8.82 654.97 3/26/2009 7.07 656.72 10/8/2009 12.62 651.17 4/7/2010 7.33 656.46 10/13/2010 10.12 653.67 4/25/2011 8.40 655.39 8/1/2012 13.73 650.06 4/10/2013 7.72 656.07 10/8/2013 10.85 652.94 4/28/2015 6.81 656.98 6/16/2015 663.02 10.77 652.25 8/11/2015 13.35 649.67 11/16/2015 7.94 655.08 2/29/2016 6.17 656.85 10/17/2016 9.66 653.36 3/13/2017 8.81 654.21 10/2/2017 11.85 651.17 10/8/2018 12.04 650.98 10/8/2019 12.36 650.66 10/14/2020 6.59 656.43 MW-4 8/11/1998 8/11/1998 5 6.5 21.5 21.5 664.45 12.48 651.97 7/5/2001 12.84 651.61 12/17/2001 15.38 649.07 6/25/2003 7.81 656.64 1/19/2004 11.15 653.30 7/14/2004 13.63 650.82 2/2/2005 10.40 654.05 12/20/2007 16.28 648.17 12/30/2008 10.88 653.57 3/26/2009 8.90 655.55 10/8/2009 14.41 650.04 4/7/2010 9.11 655.34 10/13/2010 12.15 652.30 4/25/2011 10.30 654.15 8/1/2012 15.50 648.95 4/10/2013 9.72 654.73 10/8/2013 12.78 651.67 4/28/2015 8.71 655.74 6/16/2015 663.68 12.58 651.10 8/11/2015 15.12 648.56 11/16/2015 10.12 653.56 2/29/2016 7.90 655.78 10/17/2016 11.81 651.87 3/13/2017 10.72 652.96 10/2/2017 13.75 649.93 10/8/2018 13.82 649.86 10/8/2019 14.23 649.45 10/14/2020 8.71 654.97 2 of 7 TABLE 1 Summary of Groundwater Elevation Data Former Preslar's Exxon 901 NC Hwy 24/27 Midland, Cabarrus County, North Carolina NCDOT Project R-0615B, WBS 34348.3.5 Incident #13543 DAA Project No. 17117301-010701 Well ID Date Installed Date Measured Well Casing Depth (ft bgs) Screened Interval (ft bgs) Bottom of Well (ft bgs) Top of Casing Elevation (ft amsl)' Depth to Water (ft btoc) Groundwater Elevation (ft amsl) MW 5 8/17/1998 8/17/1998 50 SO 60 60 664.27 14.15 650.12 7/5/2001 10.10 654.17 12/17/2001 14.80 649.47 6/25/2003 6.02 658.25 1/19/2004 8.87 655.40 7/14/2004 11.84 652.43 2/2/2005 8.98 655.29 12/20/2007 15.61 648.66 12/30/2008 10.53 653.74 3/26/2009 7.47 656.80 10/8/2009 12.61 651.66 4/7/2010 7.00 657.27 10/13/2010 10.36 653.91 4/25/2011 5.48 658.79 8/1/2012 14.15 650.12 4/10/2013 8.66 655.61 10/8/2013 10.89 653.38 4/28/2015 6.67 657.60 6/16/2015 663.52 11.44 652.08 8/11/2015 1 12.93 650.59 11/16/2015 6.97 656.55 2/29/2016 6.02 657.50 10/17/2016 9.65 653.87 3/13/2017 8.83 654.69 10/2/2017 11.59 651.93 10/8/2018 11.11 652.41 10/8/2019 12.01 651.51 10/14/2020 3.55 659.97 MW-6 7/3/2001 7/6/2001 8 8-18 18 656.79 6.59 650.20 12/17/2001 8.68 648.11 6/25/2003 5.88 650.91 1/19/2004 6.55 650.24 7/14/2004 7.47 649.32 2/2/2005 4.46 652.33 12/20/2007 9.24 647.55 12/30/2008 4.98 651.81 3/26/2009 2.99 653.80 10/8/2009 9.94 646.85 4/7/2010 3.31 653.48 10/13/2010 5.98 650.81 4/25/2011 4.03 652.76 8/1/2012 9.19 647.60 4/10/2013 4.43 652.36 10/8/2013 6.44 650.35 4/28/2015 2.98 653.81 6/16/2015 655.95 6.69 649.26 8/11/2015 9.02 646.93 11/16/2015 4.00 651.95 2/29/2016 2.20 653.75 10/17/2016 5.64 650.31 3/13/2017 4.11 651.84 10/2/2017 7.63 648.32 10/8/2018 7.32 648.63 10/8/2019 7.96 647.99 10/14/2020 2.20 653.75 3 of 7 TABLE 1 Summary of Groundwater Elevation Data Former Preslar's Exxon 901 NC Hwy 24/27 Midland, Cabarrus County, North Carolina NCDOT Project R-0615B, WBS 34348.3.5 Incident #13543 DAA Project No. 17117301-010701 Well ID Date Installed Date Measured Well Casing Depth (ft bgs) Screened Interval (ft bgs) Bottom of Well (ft bgs) Top of Casing Elevation (ft amsl)' Depth to Water (ft btoc) Groundwater Elevation (ft amsl) MW-7 7/3/2001 7/6/2001 8 8-18 18 652.10 9.90 642.20 12/17/2001 5.52 646.58 6/25/2003 4.13 647.97 1/19/2004 1.58 650.52 7/14/2004 4.48 647.62 2/2/2005 0.73 651.37 12/20/2007 NM NM 12/30/2008 1.35 650.75 3/26/2009 0.50 651.60 10/8/2009 4.09 648.01 4/7/2010 0.65 651.45 10/13/2010 3.08 649.02 4/25/2011 2.61 649.49 8/1/2012 5.82 646.28 4/10/2013 1.00 651.10 10/8/2013 3.20 648.90 4/28/2015 1.43 650.67 6/16/2015 651.30 4.20 647.10 8/11/2015 5.61 645.69 11/16/2015 2.74 648.56 2/29/2016 0.68 650.62 10/17/2016 2.34 648.96 3/13/2017 1.63 649.67 10/2/2017 4.10 647.20 10/8/2018 3.87 647.43 10/8/2019 4.75 646.55 10/14/2020 0.63 650.67 MW-8 7/2/2001 7/5/2001 10 12-20 20 660.73 11.50 649.23 12/14/2001 12.40 648.33 6/25/2003 6.25 654.48 1/19/2004 8.52 652.21 7/14/2004 11.26 649.47 2/2/2005 7.76 652.97 12/20/2007 13.19 647.54 12/30/2008 8.20 652.53 3/26/2009 6.73 654.00 10/8/2009 11.74 648.99 4/7/2010 7.19 653.54 10/13/2010 9.65 651.08 4/25/2011 7.99 652.74 8/1/2012 12.92 647.81 4/10/2013 7.41 653.32 10/8/2013 10.28 650.45 4/28/2015 7.01 653.72 6/16/2015 659.99 10.31 649.68 8/11/2015 12.70 647.29 11/16/2015 7.76 652.23 2/29/2016 6.15 653.84 10/17/2016 9.27 650.72 3/13/2017 8.14 651.85 10/2/2017 11.22 648.77 10/8/2018 11.09 648.90 10/8/2019 11.78 648.21 10/14/2020 6.71 653.28 4 of 7 TABLE 1 Summary of Groundwater Elevation Data Former Preslar's Exxon 901 NC Hwy 24/27 Midland, Cabarrus County, North Carolina NCDOT Project R-0615B, WBS 34348.3.5 Incident #13543 DAA Project No. 17117301-010701 Well ID Date Installed Date Measured Well Casing Depth (ft bgs) Screened Interval (ft bgs) Bottom of Well (ft bgs) Top of Casing Elevation (ft amsl)' Depth to Water (ft btoc) Groundwater Elevation (ft amsl) MW-9 10/22/2001 10/24/2001 10 10-25 25 665.15 16.15 649.00 12/17/2001 16.32 648.83 6/25/2003 9.35 655.80 1/19/2004 11.96 653.19 7/14/2004 14.45 650.70 2/2/2005 11.29 653.86 12/20/2007 17.06 648.09 12/30/2008 11.84 653.31 3/26/2009 9.91 655.24 10/8/2009 15.24 649.91 4/7/2010 10.03 655.12 10/13/2010 13.07 652.08 4/25/2011 11.21 653.94 8/1/2012 16.34 648.81 4/10/2013 10.79 654.36 10/8/2013 13.66 651.49 4/28/2015 9.75 655.40 6/16/2015 664.37 13.43 650.94 8/11/2015 15.95 648.42 11/16/2015 11.04 653.33 2/29/2016 8.82 655.55 10/17/2016 12.75 651.62 3/13/2017 11.55 652.82 10/2/2017 14.64 649.73 10/8/2018 14.70 649.67 10/8/2019 15.06 649.31 10/14/2020 9.52 654.85 MW-10 3/25/2009 3/26/2009 5 5-15 15 662.82 5.51 657.31 10/8/2009 11.82 651.00 4/7/2010 6.16 656.66 10/13/2010 9.21 653.61 4/25/2011 7.41 655.41 8/1/2012 12.87 649.95 4/10/2013 6.72 656.10 10/8/2013 9.90 652.92 4/28/2015 5.41 657.41 6/16/2015 662.96 9.56 653.40 8/11/2015 12.26 650.70 11/16/2015 6.82 656.14 2/29/2016 4.90 658.06 10/17/2016 8.63 654.33 3/13/2017 7.84 655.12 10/2/2017 10.93 652.03 10/8/2018 11.26 651.70 10/8/2019 1 11.42 1 651.54 10/14/2020 1 5.10 1 657.86 5 of 7 TABLE 1 Summary of Groundwater Elevation Data Former Preslar's Exxon 901 NC Hwy 24/27 Midland, Cabarrus County, North Carolina NCDOT Project R-0615B, WBS 34348.3.5 Incident #13543 DAA Project No. 17117301-010701 Well ID Date Installed Date Measured Well Casing Depth (ft bgs) Screened Interval (ft bgs) Bottom of Well (ft bgs) Top of Casing Elevation (ft amsl)l Depth to Water (ft btoc) Groundwater Elevation (ft amsl) MW-11 3/25/2009 3/26/2009 6 6-16 16 663.85 11.03 652.82 10/8/2009 13.54 650.31 4/7/2010 7.31 656.54 10/13/2010 10.54 653.31 4/25/2011 9.27 654.58 8/1/2012 14.30 649.55 4/10/2013 6.38 657.47 10/8/2013 11.78 652.07 4/28/2015 7.16 656.69 6/16/2015 663.97 11.56 652.41 8/11/2015 13.85 650.12 11/16/2015 6.85 657.12 2/29/2016 5.88 658.09 10/17/2016 10.39 653.58 3/13/2017 9.71 654.26 10/2/2017 12.54 651.43 10/8/2018 11.36 652.61 10/8/2019 13.10 650.87 10/14/2020 7.39 656.58 MW-12 3/25/09 3/26/2009 9 9-19 19 664.61 10.43 654.18 10/8/2009 15.55 649.06 4/7/2010 10.62 653.99 10/13/2010 13.57 651.04 4/25/2011 11.75 652.86 8/1/2012 16.83 647.78 4/10/2013 11.31 653.30 10/8/2013 14.20 650.41 4/28/2015 10.01 654.60 6/16/2015 664.72 14.04 650.68 8/11/2015 16.52 648.20 11/16/2015 11.61 653.11 2/29/2016 9.46 655.26 10/17/2016 13.25 651.47 3/13/2017 12.10 652.62 10/2/2017 15.19 649.53 10/8/2018 15.17 649.55 10/8/2019 15.61 649.11 10/14/2020 10.22 654.50 6 of 7 TABLE 1 Summary of Groundwater Elevation Data Former Preslar's Exxon 901 NC Hwy 24/27 Midland, Cabarrus County, North Carolina NCDOT Project R-0615B, WBS 34348.3.5 Incident #13543 DAA Project No. 17117301-010701 Well ID Date Installed Date Measured Well Casing Depth (ft bgs) Screened Interval (ft bgs) Bottom of Well (ft bgs) Top of Casing Elevation (ft amsl)' Depth to Water (ft btoc) Groundwater Elevation (ft amsl) MW-13 3/25/09 3/26/2009 9 9-19 19 663.22 7.45 655.77 10/8/2009 13.99 649.23 4/7/2010 8.93 654.29 10/13/2010 11.65 651.57 4/25/2011 9.81 653.41 8/1/2012 15.09 648.13 4/10/2013 9.23 653.99 10/8/2013 12.33 650.89 4/28/2015 8.29 654.93 6/16/2015 663.35 12.18 651.17 8/11/2015 14.75 648.60 11/16/2015 9.43 653.92 2/29/2016 7.75 655.60 10/17/2016 11.19 652.16 3/13/2017 10.19 653.16 10/2/2017 13.24 650.11 10/8/2018 13.36 649.99 10/8/2019 13.78 649.57 10/14/2020 8.25 655.10 Notes: ft bgs = feet below ground surface ft amsl = feet above mean sea level ft btoc = feet below top of casing NM = Not Measured, MW-7 could not be located during the 12/20/07 sampling event. Data before 6/25/03 are from Comprehensive Site Assessment Addendum dated January 25, 2002 prepared by S&ME, Inc. 1 - All monitoring, injection and water supply well locations were surveyed by NCDOT on June 16, 2015. Top of casing elevations were determined for all monitoring wells. 7 of 7 TABLE 2 Water Supply Well Information Former Preslar's Exxon 901 NC Hwy 24/27 Midland, Cabarrus County, North Carolina NCDOT Project R-061513, WBS 34348.3.5 Incident #13543 DAA Project No. 17117301-010701 Distance Property Owner Information Connected to Well ID From Site Well In Use Well Use Municipal Comments (ft.) Name Address Phone Number Tax -Parcel Number Water Supply Operational Wells in the Vicinity of the Site Upgradient well. Access to sample well was WSW-9 720 Mr. L.E. Dorton Sr. 700 NC Hwy 24/27, (704) 888-5632 5534-37-8848 Yes Potable No requested. Owner acepted registered letter, but Midland, NC 28107 no response received. Side gradient well. Access to sample well was requested. Owner acepted registered letter, but 11880 Preslar Lane, WSW-3 740 Mr. Ronnie Johns Unknown 5534-49-6994 Yes Potable No no response received. Reclassification also Midland, NC 28107 hampered by lack of right-of-way to install municipal water. Residences That Are Connected to Municipal Water But Have Retained Use of Their Well for Irrigation 830 NC Hwy 24/27, WSW-11 250 Ms. Ida Thomas (704) 888-5670 5534-49-4044 Yes Irrigation Yes Well is on annual sampling schedule Midland, NC 28017 750 NC Hwy 24/27, Outside 250' radius, but on annual sampling WSW-10 435 Mr. Wilson E. Hooks (704) 888-4866 5534-49-0076 Yes Irrigation Yes Midland, NC 28017 schedule. Mr. and Mrs. George and 932 NC Hwy 24/27, WSW-12 450 (704) 888-2601 5534-49-8018 Yes Irrigation Yes Outside 250' radius Shirley Plummer Midland, NC 28107 Residences that are Connected to Municipal Water and Have Abandoned Their Previous Supply Well 12075 Preslar Lane, WSW-6 170 Mr. Donald R. Preslar (704) 888-2297 5534-49-0492 Abandoned None Yes Well Abandoned Midland, NC 28107 901 NC Hwy 24/27, WSW-5 200 Mr. Walter R. Preslar (704) 888-2804 5534-49-4415 Abandoned None Yes Well Abandoned Midland, NC 28107 901 NC Hwy 24/27, WSW-4 310 Mr. Walter R. Preslar (704) 888-2804 5534-49-4506 Abandoned None Yes Well Abandoned Midland, NC 28107 676 NC Hwy 24/27, WSW-8 980 Mr. L.E. Dorton Jr. Midland, NC 28017 Unknown 5534-37-8848 Abandoned None Yes Well Abandoned TABLE 3 Summary of Field Parameters Former Preslar's Exxon 901 NC Hwy 24/27 Midland, Cabarrus County, North Carolina NCDOT Project R-0615B, WBS 34348.3.5 Incident #13543 DAA Project No. 171107301-010701 Well ID Date pH (SU) Temperature VC) Specific Conductivity (PS/Cm) DO (mg/L) ORP (mv) Baseline 6.43 20.32 625 0.36 76.2 6/16/201S 6.21 23.38 1155 0.18 -25.2 8/10/2015 5.29 21.30 848 0.76 65.9 11/16/2015 6.49 21.17 1058 0.46 -34.4 3/1/2016 6.82 17.49 1337 0.23 0.9 MW-1 10/17/2016 6.41 23.24 700 0.25 21.0 3/14/2017 6.37 17.10 454 1.16 33.2 10/2/2017 6.61 21.90 734 0.12 -122.2 10/9/2018 6.57 22.20 430 0.20 35.0 10/8/2019 6.56 22.00 624 0.16 -113.3 10/14/2020 6.58 22.70 291 1.19 NM Baseline 6.41 17.60 809 0.74 101.5 6/17/2015 5.60 19.75 886 0.19 31.8 8/11/2015 6.37 20.17 801 0.22 134.7 11/16/2015 6.64 19.60 734 0.34 96.8 3/1/2016 6.74 16.63 842 0.35 128.4 MW-3 10/18/2016 6.51 21.87 736 0.26 2.1 3/14/2017 6A8 16.20 816 0.29 -37.7 10/2/2017 6.75 24.20 829 0.23 -7.5 10/9/2018 6.80 21.40 690 0.13 51.1 10/8/2019 6.65 21.10 874 0.22 -23.2 10/14/2020 6.66 22.10 964 0.31 NM Baseline 6.30 18.11 759 0.56 87.6 6/17/2015 6A6 19.29 998 0.93 -64.8 8/11/2015 6.30 20.62 1047 0.17 -174.5 11/17/2015 6A3 17.57 566 0.30 -88.0 3/1/2016 6.42 17.70 988 0.21 -113.1 MW-4 10/18/2016 6.22 21.26 610 0.26 -243.0 3/13/2017 6.29 13.40 569.4 0.80 -35.1 6,43 22,70 576 0,19 -222.2 r10/3/20.17 6.53 21.70 535 0.10 -164.9 6.50 21.10 819 0.15 -168.9 6.22 21.00 919 0.11 NM Baseline 6.44 16.88 1526 0.15 30.4 6/16/2015 6.39 22.70 1531 0.63 5.9 8/11/2015 6.06 19.81 1333 0.84 7.0 11/17/2015 6.75 18.14 1450 0.45 -69.5 2/29/2016 6.44 16.08 1693 0.32 51.9 MW-12 10/18/2016 6.66 20.57 1117 0.22 -40.5 3/14/2017 6.77 14.10 1181 0.90 -22.3 10/3/2017 6.79 19.37 1031 0.33 -52.7 10/9/2018 6.71 21.10 1245 0.13 -58.9 10/8/2019 6.81 20.50 1154 0.66 -112.6 10/4/2020 6.86 20.90 1328 0.36 NM Baseline 6.39 16.86 1075 0.16 13.7 6/17/2015 6.16 21.01 1043 0.24 -8.4 8/11/2015 6.51 20.26 1212 0.18 -210.4 11/17/2015 6.68 18.32 677 0.23 -88.3 3/1/2016 6.51 15.38 1231 0.29 -90.3 MW-13 10/18/2016 6.52 21.22 900 0.28 -106.8 3/14/2017 6.56 15.70 926 0.29 -172.1 10/3/2017 6.76 20.30 1082 0.14 -224.9 10/9/2018 6.87 21.70 830 0.11 -111.1 10/8/2019 6.74 20.50 1173 0.76 -138.1 10/14/2020 6.37 1 20.00 508 0.16 NM Notes: SU = Standard units °C = degrees centigrade pS/cm = Microsiemens per centimeter DO = Dissolved oxygen mg/L = milligrams per liter ORP = Oxidation Reduction Potential mV = Millivolts Baseline samples collected April 28, 2015. NM = Not measured. 1 of 1 TABLE Summary of Post -Injection Groundwater Analytical Results Former Preslar's Exxon 901 NC Hwy 24/27 Midland, Cabarrus County, North Carolina NCDOT Project R-0615B, WBS 34348.3.5 Incident #13543 DAA Project No. 17117301-010701 Analytical Method VOCs by EPA Method 601/602 Extended (ug/L) EPA Method 300.0 (mg/L) Well ID Date m C n a 1 F d x H d c C u 2a a o 0 _ L o .2 V i r E � ry T r E 17 c a o _ Z' N 15A NCAC 21. Standards 1 600 20 70 600 500 70 70 70 3 400 400 70 6 250 Gross Contamination Levels (GCLs) 5000 84500 20000 70,000 260,000 85,500 6,900 8,500 25,000 3,000 28,500 25,000 30,000 6,000 NE 5/5/2015 Baseline 15.0 17.0 1.8 15.1 1.5 5.2 <0.5 NA NA <0.5 NA NA NA <2o 35.3 6/16/2015 Post Injection 5.3 4.2 <1.0 <1.0 <1.0 2.7 <0.5 NA NA <0.5 NA NA NA 3.1 461 8/11/2015 Post Injection 15.7 19.7 <0.5 2.4 0.73 <0.5 <0.5 1.5 7.2 <0.5 4.3 <0.5 4.6 6 210 11/16/2015 Post Injection 4.0 7.1 <1.0 <1.0 0.61 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 2.4 313 3/1/2016 Post Injection 1.3 2.6 <1.0 <1.0 <0.5 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <2.0 219 MW-1 10/17/2016 Post Injection <0.5 0.56 <0.5 0.51 <0.5 <1.0 <1.0 <0.5 <0.5 <1.0 <0.5 <0.5 <0.5 <0.5 124 3/14/2017 <0.5 <0.5 <0.5 <0.5 <0.5 <1.0 <1.0 <0.5 <0.5 1 <1.0 <0.5 <0.5 <0.5 <2.0 55.8 10/2/2017 <0.5 <0.5 <0.5 1.1 <0.5 <1.0 <1.0 <0.5 <0.5 <1.0 <0.5 <0.5 <0.5 <2.0 89.0 10/9/2018 <0.5 2.8 <1.0 0.5 <0.5 <1.0 <1.0 0.5 0.35J <1.0 <0.5 <0.5 <0.5 <1.0 20 10/8/2019 <0.5 <0.5 <0.5 <0.5 <0.5 <1.0 <1.0 <0.5 <0.5 <1.0 <0.5 <0.5 <0.5 <2.0 15.8 10/4/20* <0.5 <0.5 <0.5 <0.5 <0.5 <1.0 <1.0 0.5 <0.5 <1.0 <0.5 <0.5 <0.5 <2.0 5 5/5/2015 Baseline 503 228 <5.0 23.2 221 598 <0.5 NA NA <0.5 NA NA NA 33.9 3.3 6/16/2015 Post Injection 733 440 <5.0 38 266 694 <0.5 NA NA <0.5 NA NA NA 65.2 19.5 8/11/2015 Post Injection 960 644 4.8 91.9 330 962 <0.5 <2.5 25.2 0.5 419 71.1 64.3 125 1<2.0 11/17/2015 Post Injection 419 609 <2.5 <5o 162 927 <0.5 <2.5 <2.5 0.5 <2.5 <2.5 <2.5 118 <2.0 3/1/2016 Post Injection 159 202 <2.5 <5o 71 258 <0.5 <2.5 <2.5 0.5 <2.5 <2.5 <2.5 19.4 70.3 MW-4 10/18/2016 Post Injection 287 434 <2.0 8.5 53.7 241.5 <0.5 <2.0 18.0 0.5 196 15.3 46.1 20.1 2.4 3/13/2017 155 319 <1.2 7.4 29.8 154.6 <0.5 2.2 14.3 0.5 174 15.0 38.8 27.2 <2.0 10/3/2017 391 604 <2.0 12.8 60.2 138.8 <0.5 <2.0 24.8 0.5 342 34.8 62.4 107 <1.0 10/9/2018 650 910 <1.0 19 110 210 <0.5 7.4 46 <0.5 310 30 110 98 <2.0 10/8/2019 505 669 <2.5 14.9 27.8 62.5 11.5 <2.5 35.9 6.0 110 <2.5 101 30.7 29.4 10/4/20* 101 94.2 <0.5 2.5 1.8 5.4 <0.5 0.5 7.9 <10 29 <0.5 20.4 3.7 210 5/5/2015 Baseline 88.4 434 <1.0 4.9 95.1 846 <0.5 NA NA <0.5 NA NA NA 286 7.5 6/16/2015 Post Injection 40.8 179 <1.0 1.8 23.4 369 <0.5 NA NA <0.5 NA NA NA 91.2 33.6 8/11/2015 Post Injection 171 694 1 8.3 84.1 1113 <0.5 <0.5 69.8 0.5 1150 102 189 325 53.8 11/16/2015 Post Injection 15.3 152 <1.0 <1.0 10.6 221 <0.5 <1.0 <1.0 0.5 <1 0 <1.0 <1.0 68.2 6.2 3/1/2016 Post Injection 46.9 333 <1.0 <1.0 22.9 426 <0.5 <1.0 <1.0 0.5 <1 0 <1.0 <1.0 61.2 23.4 MW-13 10/18/2016 Post Injection 17.9 137 <1.0 0.86 3.2 66.4 <0.5 3.7 22.8 0.5 136 8.2 56.6 29.9 21.4 3/14/2017 26.6 182 <0.5 1.3 4.6 59.0 <0.5 4.7 29.4 0.5 187 8.8 76.1 17.9 3.4 10/3/2017 63.9 427 <1.2 3.0 14.5 122.8 <0.5 <1.2 37.2 <0.5 189 <1.2 97.0 195 3.2 10/9/2018 26 210 <1.0 0.64 8.8 210 <0.5 5.0 41 0.5 130 5.0 94 120 <2.0 10/8/2019 25.2 64.8 <0.5 3.7 3.4 23.3 <0.5 0.5 10.8 <0.5 4.6 <0.5 24.3 16.6 32.7 10/4/20- 5.3 59.6 <0.5 <0.5 1.4 54.7 <0.5 0.5 6.3 0.5 39.9 <0.5 16.5 22.5 75.4 1 of 3 TABLE Summary of Post -Injection Groundwater Analytical Results Former Preslar's Exxon 901 NC Hwy 24/27 Midland, Cabarrus County, North Carolina NCDOT Project R-0615B, WBS 34348.3.5 Incident #13543 DAA Project No. 17117301-010701 Analytical Method VOCs by EPA Method 6011602 Extended (ug/L) EPA Method 300.0 (mg/L) Well ID Date N e0 a a. c 3 F X m F m' c10 C. 00 c a 6 n 0 - O 2 V a i « F N a T « F c a « n Z Zo : 15A NCAC 2L Standards 1 600 20 70 600 500 70 70 70 3 400 400 70 6 250 Perimeter Compliance Wells 5/5/2015 Baseline <1.0 <1.0 <1.0 <1.0 <1.0 <2.0 <1.0 NA NA <1.0 NA NA NA <2.0 30.0 6/16/2015 Post Injection <1.0 <1.0 <1.0 <1.0 <1.0 <2.0 <1.0 NA NA <1.0 NA NA NA <2.0 53.5 8/11/2015 Post Injection <0.5 <0.5 <1.0 <0.5 <0.5 <1.0 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <2.0 77.5 11/16/2015 Post Injection <0.5 <0.5 <1.0 <0.5 <0.5 <1.0 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <2.0 39.3 3/1/2016 Post Injection <0.5 <0.5 <1.0 <0.5 <0.5 <1.0 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <2.0 47.3 MW-3 10/18/2016 Post Injection <0.5 <0.5 <1.0 <0.5 <0.5 <1.0 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 94.6 3/14/2017 <0.5 <0.5 <0.5 <0.5 <0.5 <1.0 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <2.0 122 10/2/2017 <0.5 <0.5 <0.5 <0.5 <0.5 <1.0 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <2.0 91.7 10/9/2018 <0.5 <0.5 <1.0 <0.5 <0.5 <1.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <1.0 96 10/8/2019 <0.5 <0.5 <0.5 <0.5 <0.5 <1.0 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <2.0 81.5 10/4/2V <0.5 <0.5 <0.5 <0.5 <0.5 <1.0 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <2.0 59.1 5/5/2015 Baseline <1.0 <1.0 <1.0 <1.0 <1.0 <2.0 <1.0 NA NA <1.0 NA NA NA <2.0 24.7 6/16/2015 Post Injection <1.0 <1.0 <1.0 1.3 <1.0 <2.0 <1.0 NA NA <1.0 NA NA NA <2.0 14.3 8/11/2015 Post Injection <0.5 <0.5 <1.0 <0.5 <0.5 <1.0 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <2.0 9.2 11/16/2015 Post Injection <0.5 <0.5 <1.0 <0.5 <0.5 <1.0 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <2.0 57.7 MW-12 3/1/2016 Post Injection <0.5 <0.5 <1.0 <0.5 <0.5 <1.0 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <2.0 34.6 10/18/2016 Post Injection <0.5 <0.5 <1.0 1.7 <0.5 <1.0 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 27.4 3/14/2017 <0.5 <0.5 <0.5 0.85 <0.5 <1.0 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <2.0 11.1 10/3/2017 <0.5 <0.5 <0.5 2.0 <0.5 <1.0 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <2.0 4.8 10/9/2018 <0.5 <0.5 <1.0 2.2 <0.5 <1.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <1.0 84 10/8/2019 0.55 2.7 <0.5 1.1 <0.5 <1.5 <0.5 <0.5 <0.5 <0.5 0.86 <0.5 0.8 <2.0 9.7 10/4/20* <0.5 <0.5 <0.5 0.71 <0.5 <1.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <2.0 2.9 Water Supply Wells 5/5/2015 Baseline -- -- -- -- -- -- __ 6/16/2015 Post Injection <1.0 <1.0 <1.0 <1.0 <1.0 <2.0 <1.0 NA NA <1.0 NA NA NA <2.0 39.2 8/11/2015 Post Injection <0.5 <0.5 <1.0 <0.5 <0.5 <1.0 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <2.0 38.4 11/16/2015 Post Injection <0.5 <0.5 <1.0 <0.5 <0.5 <1.0 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <2.0 38.6 3/1/2016 Post Injection <0.5 <0.5 <1.0 <0.5 <0.5 <1.0 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <2.0 37.8 WSW-10 10/18/2016 Post Injection <0.5 <0.5 <1.0 <0.5 <0.5 <1.0 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 34.8 3/14/2017 <0.5 <0.5 <0.5 <0.5 <0.5 <1.0 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <2.0 NA 10/3/2017 <0.5 <0.5 <0.5 <0.5 <0.5 <1.0 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <2.0 37.8 10/9/2018 <0.5 <0.5 <1.0 <0.5 <0.5 <1.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <1.0 36 10/9/2019 <0.5 <0.5 <0.5 <0.5 <0.5 <1.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <2.0 37.5 10/4/2V <0.5 <0.5 <0.5 <0.5 <0.5 <1.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <2.0 40.5 2of3 TABLE Summary of Post -Injection Groundwater Analytical Results Former Preslar's Exxon 901 NC Hwy 24/27 Midland, Cabarrus County, North Carolina NCDOT Project R-0615B, WBS 34348.3.5 Incident #13543 DAA Project No. 17117301-010701 Analytical Method VOCs by EPA Method 6011602 Extended (ug/L) EPA Method 300.0 (mg/L) Well ID Date m e a S f m F o 9 C c C. as c 0 `n 0 0. m C. o V a i « N a T « c c Y n Z N 15A NCAC 21. Standards 1 600 20 70 600 500 70 70 70 3 400 400 70 6 250 5/5/2015 Baseline <1.0 <1.0 <1.0 <1.0 <1.0 <2.0 <1.0 NA NA <1.0 NA NA NA <2.0 32.1 6/16/2015 Post Injection <1.0 <1.0 <1.0 <1.0 <1.0 <2.0 <1.0 NA NA <1.0 NA NA NA <2.0 115 8/11/2015 Post Injection <0.5 <0.5 <1.0 <0.5 <0.5 <1.0 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <2.0 178 11/16/2015 Post Injection <0.5 <0.5 <1.0 <0.5 <0.5 <1.0 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <2.0 104 3/1/2016 Post Injection <0.5 <0.5 <1.0 <0.5 <0.5 <1.0 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <2.0 78 WSW-11 10/18/2016 Post Injection <0.5 <0.5 <1.0 <0.5 <0.5 <1.0 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 118 3/14/2017 <0.5 <0.5 <0.5 <0.5 <0.5 <1.0 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <2.0 NA 10/3/2017 <0.5 <0.5 <0.5 <0.5 <0.5 <1.0 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <2.0 59.5 10/9/2018 <0.5 <0.5 <1.0 <0.5 <0.5 <1.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <1.0 39 10/9/2019 <0.5 <0.5 <0.5 <0.5 <0.5 <1.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <2.0 42.8 10/4/2V <0.5 <0.5 <0.5 <0.5 <0.5 <1.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <2.0 38.4 Notes: ug/L = micrograms per liter mg/L = milligrams per liter NA = Not analyzed NE = Not established Bold values indicate detected constituents Shaded values exceed the NCAC 2L Groundwater Standards. * VOCs were resampled 11/4/20 3 of 3 TABLE 5 Summary of Historical Groundwater Analytical Results Former Preslar's Exxon 901 NC Hwy 24/27 Midland, Cabarrus County, North Carolina NCDOT Project R-061513, WBS 343348.3.5 Incident #13543 DAA Project No. 17117301-010701 Analytical Method VOCs by EPA Method 6200B (ug/L) Well ID Start Date Collected 1,2- Dichloroethane 1,2- Dichloro ro ane Benzene Ethylbenzene MTBE IPE Toluene Total X lenes sec- But Ibenzene Isopropylbenzene 1,2,4- Trimeth Ibenzene 1,3,5- Trimeth Ibenzen n-Propylbenzene Naphthalene 15A NCAC 2L Standards 0.4 0.6 1 600 20 70 600 500 70 70 400 400 70 6 Gross Contamination Levels (GCLs) 400 600 5,000 84,500 20,000 70,000 260,000 1 85,500 8,500 25,000 28,500 25,000 30,000 6,000 MONITORING WELLS MW-1 7/17/1998 <1.0 ND 241 82.5 6,580 2,300 103 145 1 Not included on target compound list until August 2015 NA 7/5/2001 <1.0 NO 1000 310 1,300 1,300 85 170 20 6/25/2003 <1.0 ND 490 69 1,200 1,300 10 47 NA 1/20/2004 <10 NO 160 55 180 350 <10 <30 <50 7/14/2004 <1.0 <1.0 270 270 69 140 26 140 57 2/2/2005 <1.0 <1.0 200 180 58 190 10 81 33 12/20/2007 <50 <50 190 <50 102 728 <50 <100 <100 12/30/2008 <1.0 <1.0 120 61 34 120 4.4 17.3 9.2 10/8/2009 <1.0 <1.0 480 1 290 49 310 1 38 195 48 4/7/2010 <1.0 <1.0 200 170 34 160 25 61 19 10/13/2010 <1.0 <1.0 280 240 60 280 8.1 65.6 39 4/25/2011 <1.0 <1.0 77.4 53.5 41.9 167 5.4 26.5 7.9 8/2/2012 <1.0 <1.0 223 193 4.3 36.6 12.7 37.3 27.2 4/10/2013 <1.0 <1.0 18.5 10.5 <1.0 3.7 <1.0 <2.0 <2.0 10/8/2013 <1.0 <1.0 59.1 32 3.0 14.4 1.4 2.4 2.9 5/4/2015 <1.0 <1.0 15 17 1.8 15.1 1.5 5.2 <2.0 Full Scale Injection 6/16/2015 <1.0 <1.0 5.3 4.2 <1.0 <1.0 <1.0 2.7 <2.0 8/11/2015 <0.5 <0.5 15.7 19.7 <0.5 2.4 0.73 <0.5 1.5 7.2 4.3 <0.5 4.6 6 11/16/2015 <0.5 <0.5 4 7.1 <0.5 <0.5 0.61 <1.0 <0.5 1.5 1.6 <0.5 0.69 2.4 3/1/2016 <0.5 <0.5 1.3 2.6 <0.5 <0.5 <0.5 <1.0 <0.5 <0.5 <0.5 <0.5 <0.5 <2.0 10/17/2016 <0.5 <0.5 <0.5 0.6 <0.5 0.51 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 3/14/2017 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <1.0 <0.5 <0.5 <0.5 <0.5 <0.5 <2.0 10/2/2017 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <1.0 <0.5 <0.5 <0.5 <0.5 <0.5 <2.0 10/9/2018 <0.5 <0.5 <0.5 2.8 <1.0 <0.5 <0.5 <1.5 <0.5 0.35 J <0.5 <0.5 <0.5 <1.0 10/8/2019 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <1.0 <0.5 <0.5 <0.5 <0.5 <0.5 <2.0 10/4/2020 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <1.0 <0.5 1 <0.5 1 <0.5 1 <0.5 1 <0.5 <2.0 MW-2 8/11/1998 <1.0 ND <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 Not included on target compound list until August 2015 NA 7/5/2001 <1.0 ND <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <5.3 6/26/2003 <1.0 ND <1.0 <1.0 <5.0 <5.0 <1.0 <3.0 NA 1/20/2004 <1.0 ND <1.0 <1.0 <5.0 <5.0 <1.0 <3.0 <5.0 7/14/2004 <1.0 <1.0 <1.0 <1.0 <5.0 <5.0 <1.0 2.3 J <5.0 2/2/2005 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <2.0 12/20/2007 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <2.0 12/30/2008 <1.0 <1.0 <0.5 <1.0 <5.0 <5.0 <1.0 <2.0 <1.0 10/8/2009 <1.0 <1.0 <0.5 <1.0 <5.0 <5.0 <1.0 <2.0 <1.0 4/7/2010 <1.0 <1.0 <0.5 <1.0 <5.0 <5.0 <1.0 <2.0 <1.0 10/13/2010 <1.0 <1.0 <0.50 <1.0 <5.0 <5.0 <1.0 <1.0 <5.0 4/25/2011 <1.0 <1.0 <1.0 4.3 <1.0 <1.0 <1.0 3.5 4.3 8/2/2012 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <2.0 <2.0 4/10/2013 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <2.0 <2.0 10/8/2013 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <2.0 <2.0 5/4/2015 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <2.0 <2.0 6/16/2015 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <2.0 <2.0 8/11/2015 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <1.0 <1.0 <0.5 <0.5 <0.5 <0.5 <0.5 <2.0 11/16/2015 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <1.0 <1.0 <0.5 <0.5 <0.5 <0.5 <0.5 <2.0 3/1/2016 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <1.0 <0.5 <0.5 <0.5 <0.5 <0.5 <2.0 10/18/2016 <0.5 <0.5 <0.5 <0.5 <1.0 <0.5 <0.5 <1.0 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 3/13/2017 <0.5 <0.5 10.5 <0.5 <0.5 <0.5 <0.5 <1.0 <0.5 <0.5 <0.5 <0.5 <0.5 <2.0 10/2/2017 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 1.7 <1.0 <0.5 <0.5 <0.5 <0.5 <0.5 <2.0 10/9/2018 <0.5 <0.5 <0.5 <0.5 <1.0 <0.5 <0.5 <1.5 1 <0.5 <0.5 <0.5 <0.5 <0.5 1 <1.0 1 of 8 TABLE 5 Summary of Historical Groundwater Analytical Results Former Preslar's Exxon 901 NC Hwy 24/27 Midland, Cabarrus County, North Carolina NCDOT Project R-061513, WBS 343348.3.5 Incident #13543 DAA Project No. 17117301-010701 Analytical Method VOCs by EPA Method 6200B (ug/L) Well ID Start Date Collected 1,2- Dithloroethane 1,2- Dithloro ro ane Benzene Ethylbenzene MTBE IPE Toluene Total X lenes sec- But Ibenzene Isopropylbenzene 1,2,4- Trimeth Ibenzene 1,3,5- Trimeth Ibenzen n-Propylbenzene Naphthalene 15A NCAC 2L Standards 0.4 0.6 1 600 20 70 600 Soo 70 70 400 400 70 6 Gross Contamination Levels (GCLs) 400 600 5,000 84,500 20,000 70,000 260,000 85,500 8,500 25,000 28,500 25,000 30,000 6,000 MW-3 8/11/1998 <1.0 ND <1.0 <1.0 432 190 5.6 52.6 Not included on target compound list until August 2015 NA 7/5/2001 <1.0 ND <1.0 <1.0 40 24 <1.0 <1.0 <5.1 6/26/2003 <1.0 ND <1.0 <1.0 30 32 <1.0 <3.0 NA 1/20/2004 <1.0 ND <1.0 <1.0 5.6 3.3 J <1.0 <3.0 5.9 7/14/2004 <1.0 <1.0 <1.0 <1.0 3.3 J <5.0 <1.0 2.1 J 4.5 J 2/2/2005 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 10 12/20/2007 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 12/30/2008 <1.0 <1.0 <0.5 <1.0 <5.0 <5.0 <1.0 <2.0 2.5 10/8/2009 <1.0 <1.0 <0.5 <1.0 <5.0 <5.0 <1.0 <2.0 <1.0 4/7/2010 <1.0 <1.0 <0.5 <1.0 <5.0 <5.0 <1.0 <2.0 <1.0 10/13/2010 <1.0 <1.0 <0.50 <1.0 <5.0 <5.0 <1.0 <1.0 <5.0 4/25/2011 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <2.0 <2.0 8/1/2012 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <2.0 <2.0 4/10/2013 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 1 <2.0 <2.0 10/8/2013 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <2.0 <2.0 5/5/2015 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <2.0 <2.0 6/16/2015 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <2.0 <2.0 8/11/2015 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <1.0 1 <0.5 <0.5 <0.5 <0.5 <0.5 <2.0 11/16/2015 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <1.0 <1.0 <0.5 <0.5 <0.5 <0.5 <0.5 <2.0 3/1/2016 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <1.0 <0.5 <0.5 <0.5 <0.5 <0.5 <2.0 10/18/2016 <0.5 <0.5 <0.5 <0.5 <1.0 <0.5 <0.5 <1.0 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 3/14/2017 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <1.0 <0.5 <0.5 <0.5 <0.5 <0.5 <2.0 10/2/2017 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <1.0 <0.5 <0.5 <0.5 <0.5 <0.5 <2.0 10/9/2018 <0.5 <0.5 <0.5 <0.5 <1.0 <0.5 <0.5 <1.5 <0.5 <0.5 <0.5 <0.5 <0.5 <1.0 10/8/2019 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <1.0 <0.5 <0.5 <0.5 <0.5 <0.5 <2.0 10/4/2020 <0.5 <0.5 <0.5 1 <0.5 <0.5 <0.5 <0.5 <1.0 1 <0.5 1 <0.5 1 <0.5 1 <0.5 1 <0.5 <2.0 MW-4 8/11/1998 <1.0 ND 762 180 1,780 3,440 968 637 Not included on target compound list until August 2015 NA 7/5/2001 <1.0 ND 3,100 590 So0 1 5,000 810 1,560 50 6/25/2003 <1.0 ND 4,100 1,600 220 2,300 2,800 4,400 NA 1/20/2004 <40 ND 4,500 1,400 190J 1,600 9,400 8,200 520 7/14/2004 10 5.0J 7,000 3,400 290 2,800 13,000 17,000 1,700 2/2/2005 <500 <500 6,500 4,300 <500 3,300 15,000 18,000 3,100 12/20/2007 <50 <50 2,520 2,520 <50 <50 2,540 8,100 744 12/30/2008 <10 <10 1 250 1 810 <50 94 390 1 2,460 270 10/8/2009 <10 <10 1,600 1,600 <50 320 620 4,160 390 4/7/2010 <10 I <10 1,100 1,400 <50 310 1,300 4,700 410 10/13/2010 <1.0 <1.0 600 1, 100 180 200 440 3,190 410 4/25/2011 <5.0 <5.0 749 631 <5.0 50.9 519 2,070 176 6/21/2012 Pilot Study EASE Injection 8/1/2012 <5.0 <5.0 11100 790 <5.0 72.9 504 2,020 226 4/10/2013 <2.0 <2.0 238 173 <2.0 12.3 107 413 29.8 10/8/2013 <2.0 <2.0 924 782 2.5 42.6 583 2,050 198 5/5/2015 <5 <5 503 228 <5 23.2 221 598 33.9 Full Scale Injection 6/16/2015 <5 <5 733 440 <5 38 266 694 65.2 8/11/2015 <2.5 <2.5 960 644 4.8 91.9 330 962 <2.5 25.2 419 71.1 64.3 125 11/17/2015 <2.0 <2.0 419 609 <2.0 15.8 162 927.3 <2.0 33.9 <8.0 <8.0 87 118 3/1/2016 <0.5 <0.5 159 202 <0.5 4.9 71 258.4 <0.5 11.2 166 17.8 32.5 19.4 10/18/2016 <0.5 <0.5 287 434 <2 8.5 53.7 241.5 <2 18.0 196.0 15.3 46.1 20.1 3/13/2017 <1.2 <1.2 155 319 <1.2 7.4 29.8 154.6 2.2 14.3 174 15.0 38.8 27.2 10/3/2017 <2.0 <2.0 391 604 <2.0 12.8 60.2 138.8 <2.0 24.8 342 34.8 62.4 107 10/9/2018 <0.5 <0.5 650 910 <1.0 19 110 210 7.4 46 310 30 110 98 10/8/2019 <0.5 <0.5 505 669 <2.5 14.9 27.8 62.5 <2.5 35.9 110 <2.5 101 30.7 2of8 TABLE 5 Summary of Historical Groundwater Analytical Results Former Preslar's Exxon 901 NC Hwy 24/27 Midland, Cabarrus County, North Carolina NCDOT Project R-061513, WBS 343348.3.5 Incident #13543 DAA Project No. 17117301-010701 Analytical Method VOCs by EPA Method 6200B (ug/L) Well ID Start Date Collected 1,2- Dithloroethane 1,2- Dithloro ro ane Benzene Ethylbenzene MTBE IPE Toluene Total X lenes sec- But Ibenzene Isopropylbenzene 1,2,4- Trimeth Ibenzene 1,3,5- Trimeth Ibenzen n-Propylbenzene Naphthalene 15A NCAC 2L Standards 0.4 0.6 1 600 20 70 600 500 70 70 400 400 70 6 Gross Contamination Levels (GCLs) 400 600 5,000 84,500 20,000 70,000 260,000 85,500 8,500 25,000 28,500 25,000 30,000 6,000 10/4/2020 <0.5 <0.5 101 94.2 <0.5 2.5 1.8 5.4 <0.5 7.9 29 <0.5 20.4 3.7 MW-5 (deep) 8/17/1998 <1.0 ND 1.5 3.2 12.3 4.3 9.2 12.3 Not included on target compound list until August 2015 NA 7/5/2001 <1.0 ND <1.0 <1.0 9.2 2.9 3 4.6 <5.0 6/25/2003 <1.0 ND <1.0 <1.0 6.8 <5.0 <1.0 <3.0 NA 1/20/2004 <1.0 ND <1.0 <1.0 7.9 1.6J <1.0 <3.0 <5.0 7/14/2004 <1.0 <1.0 <1.0 <1.0 5.5 <5.0 <1.0 1.8 J <5.0 2/2/2005 <1.0 <1.0 <1.0 <1.0 3.9 <1.0 <1.0 <1.0 <2.0 12/20/2007 <1.0 <1.0 <1.0 <1.0 2 <1.0 <1.0 <1.0 <2.0 12/30/2008 <1.0 <1.0 <0.5 <1.0 <5.0 <5.0 <1.0 <2.0 <1.0 10/8/2009 <1.0 <1.0 <0.5 <1.0 <5.0 <5.0 <1.0 <2.0 <1.0 4/7/2010 <1.0 <1.0 <0.5 <1.0 <5.0 <5.0 <1.0 <2.0 <1.0 10/13/2010 <1.0 <1.0 <0.50 <1.0 <5.0 1 <5.0 <1.0 <1.0 <5.0 4/25/2011 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <2.0 <2.0 8/2/2012 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 1 <2.0 <2.0 4/10/2013 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <2.0 <2.0 10/9/2013 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <2.0 <2.0 5/4/2015 <1.0 <1.0 4.7 <1.0 <1.0 <1.0 <1.0 <2.0 <2.0 6/16/2015 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <2.0 <2.0 8/11/2015 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <1.0 <0.5 <0.5 <0.5 <0.5 <0.5 <2.0 11/16/2015 <0.5 <0.5 2.9 <0.5 <0.5 1 <0.5 0.75 <1.0 <0.5 <0.5 <0.5 <0.5 <0.5 <2.0 2/29/2016 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <1.0 <0.5 <0.5 <0.5 <0.5 <0.5 <2.0 10/17/2016 <0.5 <0.5 <0.5 <0.5 <1.0 <0.5 <0.5 I <1.0 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 3/13/2017 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <1.0 <0.5 <0.5 <0.5 <0.5 <0.5 <2.0 10/2/2017 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <1.0 <0.5 <0.5 <0.5 <0.5 <0.5 <2.0 10/9/2018 <0.5 <0.5 <0.5 <0.5 <1.0 <0.5 <0.5 <1.5 <0.5 1 <0.5 <0.5 <0.5 1 <0.5 <1.0 MW-6 7/6/2001 <1.0 ND <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 Not included on target compound list until August 2015 <5.1 6/25/2003 <1.0 ND <1.0 <1.0 <5.0 <5.0 <1.0 <3.0 NA 1/20/2004 <1.0 ND <1.0 <1.0 <5.0 1 <5.0 <1.0 <3.0 <5.0 7/14/2004 <1.0 <1.0 <1.0 <1.0 <5.0 <5.0 <1.0 1.8 J <5.0 2/2/2005 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <2.0 12/20/2007 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <2.0 12/30/2008 <1.0 <1.0 <0.5 <1.0 <5.0 <5.0 <1.0 <2.0 <1.0 10/9/2009 <1.0 <1.0 <0.5 <1.0 <5.0 <5.0 <1.0 <2.0 <1.0 4/7/2010 <1.0 <1.0 <0.5 <1.0 <5.0 <5.0 <1.0 <2.0 <7 0 10/13/2010 <1.0 <1.0 <0.50 <1.0 <5.0 <5.0 <1.0 <1.0 <5.0 4/25/2011 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <2.0 <2.0 8/2/2012 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <2.0 <2.0 4/10/2013 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <2.0 <2.0 10/9/2013 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <2.0 <2.0 5/4/2015 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <2.0 <2.0 6/16/2015 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <2.0 <2.0 8/11/2015 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <1.0 <0.5 <0.5 <0.5 <0.5 <0.5 <2.0 11/16/2015 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <1.0 <1.0 <0.5 <0.5 <0.5 <0.5 <0.5 <2.0 2/29/2016 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <1.0 <0.5 <0.5 <0.5 <0.5 <0.5 <2.0 10/18/2016 <0.5 <0.5 <0.5 <0.5 <1.0 <0.5 <0.5 <1.0 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 3/14/2017 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <1.0 <0.5 <0.5 <0.5 <0.5 <0.5 <2.0 10/3/2017 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <1.0 <0.5 <0.5 <0.5 <0.5 <0.5 <2.0 10/9/2018 <0.5 <0.5 1 <0.5 <0.5 <1.0 <0.5 <0.5 <1.5 <0.5 <0.5 <0.5 <0.5 <0.5 <1.0 3 of 8 TABLE 5 Summary of Historical Groundwater Analytical Results Former Preslar's Exxon 901 NC Hwy 24/27 Midland, Cabarrus County, North Carolina NCDOT Project R-061513, WBS 343348.3.5 Incident #13543 DAA Project No. 17117301-010701 Analytical Method VOCs by EPA Method 6200B (ug/L) Well ID Start Date Collected 1,2- Dithloroethane 1,2- Dithloro ro ane Benzene Ethylbenzene MTBE IPE Toluene Total X lenes sec- But Ibenzene Isopropylbenzene 1,2,4- Trimeth Ibenzene 1,3,5- Trimeth Ibenzen n-Propylbenzene Naphthalene 15A NCAC 2L Standards 0.4 0.6 1 600 20 70 600 500 70 70 400 400 70 6 Gross Contamination Levels (GCLs) 400 600 5,000 84,500 20,000 70,000 260,000 85,500 8,500 25,000 28,500 25,000 30,000 6,000 MW-7 7/6/2001 <1.0 ND <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 Not included on target compound list until August 2015 <5.2 6/25/2003 <1.0 ND <1.0 <1.0 <5.0 <5.0 <1.0 <3.0 NA 1/20/2004 <1.0 ND <1.0 <1.0 <5.0 <5.0 <1.0 <3.0 <5.0 7/14/2004 <1.0 <1.0 <1.0 <1.0 <5.0 <5.0 <1.0 <3.0 <5.0 2/2/2005 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <2.0 12/20/2007 * NA NA NA NA NA NA NA NA NA 12/30/2008** <1.0 <1.0 <0.5 <1.0 <5.0 <5.0 <1.0 <2.0 <1.0 10/9/2009 <1.0 <1.0 <0.5 <1.0 <5.0 <5.0 <1.0 <2.0 <1.0 4/7/2010 <1.0 <1.0 <0.5 <1.0 <5.0 <5.0 <1.0 <2.0 <1 0 10/13/2010 <1.0 <1.0 <0.50 <1.0 <5.0 <5.0 <1.0 <1.0 <5.0 4/25/2011 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <2.0 <2.0 8/2/2012 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <2.0 <2.0 4/10/2013 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <2.0 <2.0 10/9/2013 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 1 <2.0 <2.0 5/4/2015 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <2.0 <2.0 6/16/2015 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <2.0 <2.0 8/11/2015 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <1.0 <0.5 <0.5 <0.5 <0.5 <0.5 <2.0 11/16/2015 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <1.0 <1.0 <0.5 <0.5 <0.5 <0.5 <0.5 <2.0 2/29/2016 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <1.0 <0.5 <0.5 <0.5 <0.5 <0.5 <2.0 10/17/2016 <0.5 <0.5 <0.5 <0.5 <1.0 <0.5 <0.5 <1.0 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 3/14/2017 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <1.0 <0.5 <0.5 <0.5 <0.5 <0.5 <2.0 10/3/2017 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <1.0 <0.5 <0.5 <0.5 <0.5 <0.5 <2.0 10/9/2018 <0.5 <0.5 <0.5 <0.5 <1.0 <0.5 <0.5 <1.5 <0.5 1 <0.5 1 <0.5 1 10.5 <0.5 <1.0 MW-8 7/5/2001 <1.0 ND <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 Not included on target compound list until August 2015 <5.1 6/25/2003 <1.0 ND <1.0 <1.0 <5.0 <5.0 <1.0 <3.0 NA 1/20/2004 <1.0 ND <1.0 <1.0 <5.0 <5.0 <1.0 <3.0 <5.0 7/14/2004 <1.0 <1.0 <1.0 <1.0 <5.0 <5.0 <1.0 <3.0 <5.0 2/2/2005 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <2.0 12/20/2007 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <2.0 12/30/2008 <1.0 <1.0 <0.5 <1.0 <5.0 <5.0 <1.0 <2.0 <1.0 10/9/2009 <1.0 <1.0 <0.5 <1.0 <5.0 <5.0 <1.0 <2.0 <1.0 4/7/2010 <1.0 <1.0 <0.5 <1.0 <5.0 <5.0 <1.0 <2.0 <1 0 10/13/2010 <1.0 <1.0 <0.50 <1.0 <5.0 <5.0 <1.0 <1.0 <5.0 4/25/2011 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <2.0 <2.0 8/2/2012 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <2.0 <2.0 4/10/2013 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <2.0 <2.0 10/9/2013 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <2.0 <2.0 5/4/2015 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <2.0 <2.0 6/16/2015 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <2.0 <2.0 8/11/2015 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <1.0 <0.5 <0.5 <0.5 <0.5 <0.5 <2.0 11/16/2015 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <1.0 <1.0 <0.5 <0.5 <0.5 <0.5 <0.5 <2.0 2/29/2016 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <1.0 <0.5 <0.5 <0.5 <0.5 <0.5 <2.0 10/17/2016 <0.5 <0.5 <0.5 <0.5 <1.0 <0.5 <0.5 <1.0 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 3/14/2017 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <1.0 <0.5 <0.5 <0.5 <0.5 <0.5 <2.0 10/3/2017 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <it <0.5 <0.5 <0.5 <0.5 <0.5 <2.0 10/9/2018 <0.5 <0.5 <0.5 <0.5 <1.0 <0.5 <0.5 <1.5 <0.5 1 <0.5 1 <0.5 1 <0.5 <0.5 <1.0 4of8 TABLE 5 Summary of Historical Groundwater Analytical Results Former Preslar's Exxon 901 NC Hwy 24/27 Midland, Cabarrus County, North Carolina NCDOT Project R-061513, WBS 343348.3.5 Incident #13543 DAA Project No. 17117301-010701 Analytical Method VOCs by EPA Method 6200B (ug/L) Well ID Start Date Collected 1,2- Dithloroethane 1,2- Dithloro ro ane Benzene Ethylbenzene MTBE IPE Toluene Total X lenes sec- But Ibenzene Isopropylbenzene 1,2,4- Trimeth Ibenzene 1,3,5- Trimeth Ibenzen n-Propylbenzene Naphthalene 15A NCAC 2L Standards 0.4 0.6 1 600 20 70 600 500 70 70 400 400 70 6 Gross Contamination Levels (GCLs) 400 600 5,000 84,500 20,000 70,000 260,000 85,500 8,500 25,000 28,500 25,000 30,000 6,000 MW-9 10/24/2001 <1.0 ND <1.0 <1.0 <1.0 <1.0 <1.0 70 Not included on target compound list until August 2015 NA 6/25/2003 <1.0 ND <1.0 <1.0 <5.0 <5.0 <1.0 <3.0 NA 1/20/2004 <1.0 ND <1.0 <1.0 <5.0 <5.0 <1.0 <3.0 <5.0 7/14/2004 <1.0 <1.0 <1.0 <1.0 <5.0 <5.0 <1.0 <3.0 <5.0 2/2/2005 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <2.0 12/20/2007 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <3.0 <2.0 12/30/2008 <1.0 <1.0 <0.5 <1.0 <5.0 <5.0 <1.0 <2.0 <1.0 10/9/2009 <1.0 <1.0 <0.5 <1.0 <5.0 <5.0 <1.0 <2.0 <1.0 4/7/2010 <1.0 <1.0 <0.5 <1.0 <5.0 <5.0 <1.0 <2.0 <1 0 10/13/2010 <1.0 <1.0 <0.50 <1.0 <5.0 <5.0 <1.0 <1.0 <5.0 4/25/2011 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <2.0 <2.0 8/1/2012 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <2.0 <2.0 4/10/2013 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <2.0 <2.0 10/9/2013 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 1 <2.0 <2.0 5/5/2015 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <2.0 <2.0 6/16/2015 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <2.0 <2.0 8/11/2015 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <1.0 <0.5 <0.5 <0.5 <0.5 <0.5 <2.0 11/17/2015 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <1.0 <1.0 <0.5 <0.5 <0.5 <0.5 <0.5 <2.0 3/1/2016 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <1.0 <0.5 <0.5 <0.5 <0.5 <0.5 <2.0 10/18/2016 <0.5 <0.5 <0.5 <0.5 <1.0 <0.5 <0.5 <1.0 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 3/14/2017 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <1.0 <0.5 <0.5 <0.5 <0.5 <0.5 <2.0 10/3/2017 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 1 <1.0 <0.5 <0.5 <0.5 <0.5 <0.5 <2.0 10/9/2018 <0.5 <0.5 <0.5 <0.5 <1.0 <0.5 <0.5 <1.5 <0.5 <0.5 <0.5 <0.5 <0.5 <1.0 MW-10 3/26/2009 <1.0 <1.0 <0.5 2.3 <5.0 <5.0 0.85 J 2.8 Not included on target compound list until August 2015 <1.0 10/9/2009 <1.0 <1.0 <0.5 <1.0 <5.0 <5.0 <1.0 <2.0 <1.0 4/7/2010 <1.0 <1.0 <0.5 <1.0 <5.0 <5.0 <1.0 <2.0 <1.0 10/13/2010 <1.0 <0.50 <1.0 <5.0 <5.0 <1.0 <1.0 <5.0 4/25/2011 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <2.0 <2.0 8/2/2012 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <2.0 <20 4/10/2013 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <2.0 <2.0 10/8/2013 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <2.0 <2.0 5/4/2015 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <2.0 <2.0 6/16/2015 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <2.0 <2.0 8/11/2015 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <1.0 <0.5 <0.5 <0.5 <0.5 <0.5 <2.0 11/16/2015 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <1.0 <1.0 <0.5 <0.5 <0.5 <0.5 <0.5 <2.0 3/1/2016 <0.5 1 <0.5 <0.5 <0.5 1 <0.5 <0.5 <0.5 <1.0 <0.5 <0.5 <0.5 <0.5 <0.5 <2.0 10/17/2016 <0.5 <0.5 <0.5 <0.5 <1.0 <0.5 <0.5 <1.0 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 3/14/2017 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <1.0 <0.5 <0.5 <0.5 <0.5 <0.5 <2.0 11/3/2217 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <1.0 <0.5 <0.5 <0.5 <0.5 <0.5 <2.0 10/9/2018 <0.5 <0.5 <0.5 <0.5 <1.0 <0.5 <0.5 <1.5 <0.5 <0.5 <0.5 <0.5 <0.5 <1.0 5 of 8 TABLE 5 Summary of Historical Groundwater Analytical Results Former Preslar's Exxon 901 NC Hwy 24/27 Midland, Cabarrus County, North Carolina NCDOT Project R-061513, WBS 343348.3.5 Incident #13543 DAA Project No. 17117301-010701 Analytical Method VOCs by EPA Method 6200B (ug/L) Well ID Start Date Collected 1,2- Dichloroethane 1,2- Dithloro ro ane Benzene Ethylbenzene MTBE IPE Toluene Total X lenes sec- But Ibenzene Isopropylbenzene 1,2,4- Trimeth Ibenzene 1,3,5- Trimeth Ibenzen n-Propylbenzene Naphthalene 15A NCAC 2L Standards 0.4 0.6 1 600 20 70 600 500 70 70 400 400 70 6 Gross Contamination Levels (GCLs) 400 600 5,000 84,500 20,000 70,000 260,000 85,500 8,500 25,000 28,500 25,000 30,000 6,000 MW-11 3/26/2009 <40 <40 2,800 3,800 <200 220 4,800 10,600 Not included on target compound list until August 2015 780 10/9/2009 <10 <10 65 940 <50 <50 38 1,240 220 4/7/2010 <1.0 <1.0 1.9 150 <5.0 <5.0 4.5 17 30 10/13/2010 <1.0 <1.0 4.4 130 <5.0 <5.0 8.8 106 33 4/25/2011 <1.0 <1.0 <1.0 40.6 <1.0 <1.0 <1.0 28.3 11.4 8/2/2012 <1.0 <1.0 2.3 6.4 <1.0 <1.0 <1.0 <2.0 5.6 4/10/2013 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <2.0 <2.0 10/8/2013 <1.0 <1.0 1.6 1.1 <1.0 <1.0 <1.0 <2.0 <2.0 5/4/2015 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <2.0 <2.0 Full Scale Injection 6/16/2015 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <2.0 <2.0 8/11/2015 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <1.0 <0.5 <0.5 <0.5 <0.5 <0.5 <2.0 11/16/2015 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <1.0 <1.0 <0.5 <0.5 <0.5 <0.5 <0.5 <2.0 3/1/2016 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <1.0 <0.5 <0.5 <0.5 <0.5 <0.5 <2.0 10/17/2016 <0.5 <0.5 <0.5 <0.5 <1.0 <0.5 <0.5 <1.0 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 3/14/2017 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <1.0 <0.5 <0.5 <0.5 <0.5 <0.5 <2.0 10/3/2017 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <1.0 <0.5 <0.5 <0.5 <0.5 <0.5 <2.0 10/9/2018 <0.5 1 <0.5 <0.5 1 <0.5 <1.0 <0.5 <0.5 <1.5 <0.5 <0.5 <0.5 <0.5 <0.5 <1.0 MW-12 3/26/2009 <1.0 <1.0 <0.5 <1.0 <5.0 19 <1.0 11.2 Not included on target compound list until August 2015 1 4.2 10/9/2009 <1.0 <1.0 <0.5 <1.0 <5.0 9.2 <1.0 <2.0 <1.0 4/7/2010 <1.0 <1.0 <0.5 <1.0 <5.0 <5.0 <1.0 <2.0 <1.0 10/13/2010 <1.0 <1.0 <0.50 <1.0 <5.0 <5.0 <1.0 <1.0 <5.0 4/25/2011- <1.0 <1.0 258 559 8.5 191 228 1,790 354 8/1/2012 <1.0 <1.0 <1.0 <1.0 <1.0 1.8 <1.0 <2.0 <2.0 4/10/2013 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <2.0 <2.0 10/9/2013 <1.0 <1.0 <1.0 <1.0 <1.0 5.2 <1.0 1 <2.0 <2.0 5/5/2015 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <2.0 <2.0 6/16/2015 <1.0 <1.0 <1.0 <1.0 <1.0 1.3 <1.0 <2.0 <2.0 8/11/2015 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <1.0 <0.5 <0.5 <0.5 <0.5 <0.5 <2.0 11/17/2015 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <1.0 <1.0 <0.5 <0.5 <0.5 <0.5 <0.5 <2.0 2/29/2016 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <1.0 <0.5 <0.5 <0.5 <0.5 <0.5 <2.0 10/18/2016 <0.5 <0.5 <0.5 <0.5 <1.0 1.7 <0.5 <1.0 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 3/14/2017 <0.5 <0.5 <0.5 <0.5 <0.5 0.85 <0.5 <1.0 <0.5 <0.5 <0.5 <0.5 <0.5 <2.0 10/3/2017 <0.5 <0.5 <0.5 <0.5 <0.5 2.0 <0.5 <1.0 <0.5 <0.5 <0.5 <0.5 <0.5 <2.0 10/9/2018 <0.5 <0.5 <0.5 <0.5 <1.0 2.2 <0.5 <1.5 <0.5 <0.5 <0.5 <0.5 <0.5 <1.0 10/8/2019 <0.5 <0.5 0.55 2.7 <0.5 1.1 <0.5 <1.5 <0.5 <0.5 0.86 <0.5 0.8 <2.0 10/4/2020 <0.5 <0.5 <0.5 <0.5 10.5 0.71 <0.5 <1.5 <0.5 <0.5 <0.5 <2.0 6of8 TABLE 5 Summary of Historical Groundwater Analytical Results Former Preslar's Exxon 901 NC Hwy 24/27 Midland, Cabarrus County, North Carolina NCDOT Project R-061513, WBS 343348.3.5 Incident #13543 DAA Project No. 17117301-010701 Analytical Method VOCs by EPA Method 6200B (ug/L) Well ID Start Date Collected 1,2- Dichloroethane 1,2- Dithloro ro ane Benzene Ethylbenzene MTBE IPE Toluene Total X lenes sec- But Ibenzene Isopropylbenzene 1,2,4- Trimeth Ibenzene 1,3,5- Trimeth Ibenzen n-Propylbenzene Naphthalene 15A NCAC 2L Standards 0.4 0.6 1 600 20 70 600 500 70 70 400 400 70 6 Gross Contamination Levels (GCLs) 400 600 5,000 84,500 20,000 70,000 260,000 85,500 8,500 25,000 28,500 25,000 30,000 6,000 MW-13 3/26/2009 <10 <10 630 380 37J 610 550 1,270 Not included on target compound list until August 2015 230 10/9/2009 <10 <10 360 300 <50 560 140 930 210 4/7/2010 <10 <10 290 720 <50 350 300 1,980 390 10/13/2010 <1.0 <1.0 320 860 <50 320 330 3,300 490 4/25/2011 <1.0 <1.0 246 516 8.4 179 209 1,660 345 6/21/2012 Pilot Study EAS® Injection 8/1/2012 <5.0 <5.0 249 600 <5.0 102 205 1,650 534 4/10/2013 <5.0 <5.0 57.3 210 <5.0 7.2 45.8 536.0 163 10/8/2013 <2.5 <2.5 54.6 178 <2.5 3.3 38.5 321 136 5/5/2015 <1.0 <1.0 88.4 434 <1.0 4.9 95.1 846 286 Full Scale Injection 6/16/2015 <1.0 <1.0 40.8 179 <1.0 1.8 23.4 369 91.2 8/11/2015 <0.5 <0.5 171 694 1 8.3 84.1 1112.5 <0.5 69.8 1150 102 189 325 11/17/2015 <1.0 <1.0 15.3 152 <1.0 <1.0 10.6 221.3 <1.0 30.8 186 17.7 74.3 68.2 3/1/2016 <1.2 <1.2 46.9 333 <1.2 1.6 22.9 425.7 <1.2 31.1 427 46.2 83 61.2 10/18/2016 <0.5 <0.5 17.9 137 <1.0 0.86 3.2 66.4 3.7 22.5 136.0 8.2 56.6 29.9 3/14/2017 <0.5 <0.5 26.6 182 <0.5 1.3 4.6 59.0 4.7 29.4 187.0 8.8 76.1 17.9 10/3/2017 <1.2 <1.2 63.9 427 <1.2 3.0 14.5 122.8 <1.2 37.2 189 <1.2 97.0 195 10/9/2018 <0.5 <0.5 26 210 <1.0 0.64 8.8 210 5.0 41 130 5.0 94 120 10/8/2019 <0.5 <0.5 25.2 64.8 <0.5 3.7 3.4 23.310.8 4.6 <0.5 24.3 16.6 10/4/2020 <0.5 <0.5 S. 59.6 <0.5 <0.5 1.4 54.7 <0.5 6.3 39.9 <0.5 16.5 22.5 WATER SUPPLY WELLS WSW 9 2/26/2002 <1.0 ND <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 Not included on target compound list until August 2015 NA 6/25/2002 <1.0 ND <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 NA 10/15/2002 <1.0 ND <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 NA 2/12/2003 <1.0 ND <1.0 <1.0 <5.0 <5.0 <1.0 <3.0 NA 6/25/2003 <1.0 ND <1.0 <1.0 <5.0 <5.0 <1.0 <3.0 NA 7/14/2004 <1.0 <1.0 <1.0 <1.0 <5.0 <5.0 <1.0 <3.0 <5.0 12/20/2007 <1.0 <1.0 <1.0 <1.0 <2.0 <2.0 <1.0 <3.0 <2.0 12/30/2008 <1.0 <1.0 <0.5 <1.0 <5.0 <5.0 <1.0 <2.0 <7 0 10/9/2009 <1.0 <1.0 <0.5 <1.0 <5.0 <5.0 <1.0 <2.0 <1.0 10/13/2010 <1.0 <1.0 <0.50 <1.0 <5.0 <5.0 <1.0 <1.0 <5.0 2/8/2012 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <2.0 <2.0 4/10/2013 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <2.0 <2.0 5/5/2015 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 6/16/2015**** NS NS NS NS NS NS NS NS NS 2/26/2002 <1.0 ND <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 Not Sampled NA 6/25/2002 29 ND <1.0 <1.0 1.9 <1.0 <1.0 <1.0 NA 10/15/2002 <1.0 ND <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 NA 2/12/2003 <1.0 ND <1.0 <1.0 <5.0 <5.0 <1.0 <2.0 NA 5/5/2015**** NA NA NA NA NA NA NA NA NA 6/16/2015 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <2.0 <2.0 WSW-10 8/11/2015 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <1.0 <0.5 <0.5 <0.5 <0.5 <0.5 <2.0 11/16/2015 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <1.0 <0.5 <0.5 <0.5 <0.5 <0.5 I <2.0 3/1/2016 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <1.0 <0.5 <0.5 <0.5 <0.5 <0.5 <2.0 10/18/2016 <0.5 <0.5 <0.5 <0.5 <1.0 <0.5 <0.5 <1.0 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 3/14/2017 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <1.0 <0.5 <0.5 <0.5 <0.5 <0.5 <2.0 10/3/2017 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <1.0 <0.5 <0.5 <0.5 <0.5 <0.5 <2.0 10/9/2018 <0.5 <0.5 <0.5 <0.5 <1.0 <0.5 <0.5 <1.5 <0.5 <0.5 <0.5 <0.5 <0.5 <1.0 10/8/2019 <0.5 <0.5 1 <0.5 <0.5 <1.0 <0.5 <0.5 <1.5 <0.5 1 <0.5 1 <0.5 1 <0.5 <0.5 <1.0 7of8 TABLE 5 Summary of Historical Groundwater Analytical Results Former Preslar's Exxon 901 NC Hwy 24/27 Midland, Cabarrus County, North Carolina NCDOT Project R-061513, WBS 343348.3.5 Incident #13543 DAA Project No. 17117301-010701 Analytical Method VOCs by EPA Method 6200B (ug/L) Well ID Start Date Collected 1,2- Dithloroethane 1,2- Dithloro ro ane Benzene Ethylbenzene MTBE IPE Toluene Total X lenes sec- But Ibenzene Isopropylbenzene 1,2,4- Trimeth Ibenzene 1,3,5- Trimeth Ibenzen n-Propylbenzene Naphthalene 15A NCAC 2L Standards 0.4 0.6 1 600 20 70 600 500 70 70 400 400 70 6 Gross Contamination Levels (GCLs) 400 600 5,000 84,500 20,000 70,000 260,000 85,500 8,500 25,000 28,500 25,000 30,000 6,000 WSW-11 2/26/2002 <1.0 ND <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 Not included on target compound list until August 2015 NA 6/25/2002 <1.0 ND <1.0 <1.0 1.3 1.9 <1.0 <1.0 NA 10/15/2002 <1.0 ND <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 NA 6/25/2003 <1.0 ND <1.0 <1.0 <5.0 <5.0 <1.0 <3.0 NA 7/14/2004 <1.0 <1.0 <1.0 <1.0 <5.0 <5.0 <1.0 <3.0 <5.0 12/20/2007 <1.0 <1.0 <1.0 <1.0 <5.0 <5.0 <1.0 <3.0 <5.0 12/30/2008 <1.0 <1.0 <0.5 <1.0 <5.0 <5.0 <1.0 <2.0 <1 0 10/8/2009 <1.0 <1.0 <0.5 <1.0 <5.0 <5.0 <1.0 <2.0 <1.0 2/8/2012 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <2.0 <2.0 4/10/2013 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <2.0 <2.0 5/5/2015 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <2.0 <2.0 6/16/2015 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 1 <2.0 <2.0 8/11/2015 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <1.0 <0.5 <0.5 <0.5 <0.5 <0.5 <2.0 11/16/2015 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <1.0 <0.5 <0.5 <0.5 <0.5 <0.5 <2.0 3/1/2016 <0.5 <0.5 <0.5 <0.5 <0.5 0.94 <0.5 <1.0 <0.5 <0.5 <0.5 <0.5 <0.5 <2.0 10/18/2016 <0.5 <0.5 <0.5 <0.5 <1.0 <0.5 <0.5 <1.0 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 3/14/2017 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <1.0 <0.5 <0.5 <0.5 <0.5 <0.5 <2.0 10/3/2017 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <1.0 <0.5 <0.5 <0.5 <0.5 <0.5 <2.0 10/9/2018 <0.5 <0.5 <0.5 <0.5 <1.0 <0.5 <0.5 <1.5 <0.5 <0.5 <0.5 <0.5 <0.5 <1.0 10/8/2019 <0.5 <0.5 <0.5 <0.5 <1.0 <0.5 <0.5 <1.5 <0.5 <0.5 <0.5 <0.5 <0.5 <1.0 WSW-12 2/26/2002 <1.0 ND <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 Not Sampled NA 6/25/2002 <1.0 ND <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 NA 10/15/2002 <1.0 ND <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 NA 2/12/2003 <1.0 ND <1.0 <1.0 <5.0 <5.0 <1.0 <3.0 NA 7/14/2004 <1.0 <1.0 <1.0 <1.0 <5.0 <5.0 <1.0 2.0 J <5.0 12/20/2007 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <2.0 12/30/2008 <1.0 <1.0 <0.5 <1.0 <5.0 <5.0 <1.0 <2.0 <1.0 10/8/2009 <1.0 <1.0 <0.5 <1.0 <5.0 <5.0 <1.0 <2.0 <1.0 10/13/2010 <1.0 <1.0 <0.50 <1.0 <5.0 <5.0 <1.0 <1.0 <5.0 2/8/2012 <1.0 <1.0 <1.0 <1.0 <1.0 <5.0 <1.0 <2.0 NA 4/10/2013 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <2.0 NA 5/5/2015**** NS NS NS NS NS NS NS NS NS 6/16/2015**** NS NS NS NS NS NS NS NS NS Notes: ug/L = micrograms per liter ND = Not Detected NA = Not Analyzed J = Estimated concentration between the method detection limit and the reporting limit. NS = Not Sampled Compounds not listed were below the quantitation limit. Data before 10/15/02 are from Corrective Action Plan dated January 15, 2002 prepared by S&ME, Inc. Bolded values indicate detected constituents. Shaded values exceed the NCAC 2L Groundwater Standards. Water supply wells WSW-9 and WSW-12 were removed from the monitoring plan on August 21, 2015. * MW-7 could not be located during the 12/20/07 sampling event. ** Chloromethane was detected in this sample at a concentration of 1.7 ug/L, but this value is estimated below the laboratory reporting limit. **** WSW-10 and WSW-12 could not be accessed during the 5/5/2015 sampling event; WSW-9 and WSW-12 were not accessible 6/16/2015 8of8 APPENDIX A LABORATORY ANALYTICAL REPORT leAnalyiical www.pacelabs.com Pace Analytical Services, LLC 9800 Kincey Ave. Suite 100 Huntersville, NC 28078 (704)875-9092 November 12, 2020 Mike Branson Draper Aden 114 Edinburgh South Dr Suite 200 Cary, NC 27511 RE: Project: NC DOT WBS# 34348.3.5 Pace Project No.: 92500572 Dear Mike Branson: Enclosed are the analytical results for sample(s) received by the laboratory on October 15, 2020. The results relate only to the samples included in this report. Results reported herein conform to the applicable TNI/NELAC Standards and the laboratory's Quality Manual, where applicable, unless otherwise noted in the body of the report. The test results provided in this final report were generated by each of the following laboratories within the Pace Network: • Pace Analytical Services - Asheville If you have any questions concerning this report, please feel free to contact me. Sincerely, V(A . � Amanda Payne amanda.payne@pacelabs.com (704)875-9092 Project Manager Enclosures REPORT OF LABORATORY ANALYSIS This report shall not be reproduced, except in full, without the written consent of Pace Analytical Services, LLC. Page 1 of 16 leAnalyiical www.pacelabs.com Pace Analytical Services, LLC 9800 Kincey Ave. Suite 100 Huntersville, NC 28078 (704)875-9092 Project: NC DOT WBS# 34348.3.5 Pace Project No.: 92500572 Pace Analytical Services Asheville 2225 Riverside Drive, Asheville, NC 28804 Florida/NELAP Certification #: E87648 North Carolina Drinking Water Certification #: 37712 CERTIFICATIONS North Carolina Wastewater Certification #: 40 South Carolina Certification #: 99030001 Virginia/VELAP Certification #: 460222 REPORT OF LABORATORY ANALYSIS This report shall not be reproduced, except in full, without the written consent of Pace Analytical Services, LLC. Page 2 of 16 leAnalyiical www.pacelabs.com Pace Analytical Services, LLC 9800 Kincey Ave. Suite 100 Huntersville, NC 28078 (704)875-9092 SAMPLE ANALYTE COUNT Project: Pace Project No.: NC DOT WBS# 34348.3.5 92500572 Analytes Lab ID Sample ID Method Analysts Reported Laboratory 92500572001 MW-1 EPA 300.0 Rev 2.1 1993 BRJ 1 PASI-A 92500572002 MW-3 EPA 300.0 Rev 2.1 1993 BRJ 1 PASI-A 92500572003 MW-4 EPA 300.0 Rev 2.1 1993 BRJ 1 PASI-A 92500572004 MW-12 EPA 300.0 Rev 2.1 1993 BRJ 1 PASI-A 92500572005 MW-13 EPA 300.0 Rev 2.1 1993 BRJ 1 PASI-A 92500572006 WSW-10 EPA 300.0 Rev 2.1 1993 BRJ 1 PASI-A 92500572007 WSW-11 EPA 300.0 Rev 2.1 1993 BRJ 1 PASI-A PASI-A = Pace Analytical Services -Asheville REPORT OF LABORATORY ANALYSIS This report shall not be reproduced, except in full, without the written consent of Pace Analytical Services, LLC. Page 3 of 16 leAnalyiical www.pacelabs.com Pace Analytical Services, LLC 9800 Kincey Ave. Suite 100 Huntersville, NC 28078 (704)875-9092 ANALYTICAL RESULTS Project: NC DOT WBS# 34348.3.5 Pace Project No.: 92500572 Sample: MWA Lab ID: 92500572001 Collected: 10/14/20 12:50 Received: 10/15/20 10:49 Matrix: Water Parameters Results Units Report Limit DF Prepared Analyzed CAS No. Qual 300.0 IC Anions 28 Days Analytical Method: EPA 300.0 Rev 2.1 1993 Pace Analytical Services -Asheville Sulfate 14.6 mg/L 1.0 1 10/17/20 20:56 14808-79-8 REPORT OF LABORATORY ANALYSIS This report shall not be reproduced, except in full, Date: 11 /12/2020 05:16 PM without the written consent of Pace Analytical Services, LLC. Page 4 of 16 leAnalyiical www.pacelabs.com Pace Analytical Services, LLC 9800 Kincey Ave. Suite 100 Huntersville, NC 28078 (704)875-9092 ANALYTICAL RESULTS Project: NC DOT WBS# 34348.3.5 Pace Project No.: 92500572 Sample: MW-3 Lab ID: 92500572002 Collected: 10/14/20 13:50 Received: 10/15/20 10:49 Matrix: Water Parameters Results Units Report Limit DF Prepared Analyzed CAS No. Qual 300.0 IC Anions 28 Days Analytical Method: EPA 300.0 Rev 2.1 1993 Pace Analytical Services -Asheville Sulfate 59.1 mg/L 1.0 1 10/17/20 21:10 14808-79-8 REPORT OF LABORATORY ANALYSIS This report shall not be reproduced, except in full, Date: 11 /12/2020 05:16 PM without the written consent of Pace Analytical Services, LLC. Page 5 of 16 leAnalyiical www.pacelabs.com Pace Analytical Services, LLC 9800 Kincey Ave. Suite 100 Huntersville, NC 28078 (704)875-9092 ANALYTICAL RESULTS Project: NC DOT WBS# 34348.3.5 Pace Project No.: 92500572 Sample: MW-4 Lab ID: 92500572003 Collected: 10/14/20 14:30 Received: 10/15/20 10:49 Matrix: Water Parameters Results Units Report Limit DF Prepared Analyzed CAS No. Qual 300.0 IC Anions 28 Days Analytical Method: EPA 300.0 Rev 2.1 1993 Pace Analytical Services -Asheville Sulfate 210 mg/L 4.0 4 10/18/2014:29 14808-79-8 REPORT OF LABORATORY ANALYSIS This report shall not be reproduced, except in full, Date: 11 /12/2020 05:16 PM without the written consent of Pace Analytical Services, LLC. Page 6 of 16 leAnalyiical www.pacelabs.com Pace Analytical Services, LLC 9800 Kincey Ave. Suite 100 Huntersville, NC 28078 (704)875-9092 ANALYTICAL RESULTS Project: NC DOT WBS# 34348.3.5 Pace Project No.: 92500572 Sample: MW-12 Lab ID: 92500572004 Collected: 10/14/20 14:55 Received: 10/15/20 10:49 Matrix: Water Parameters Results Units Report Limit DF Prepared Analyzed CAS No. Qual 300.0 IC Anions 28 Days Analytical Method: EPA 300.0 Rev 2.1 1993 Pace Analytical Services -Asheville Sulfate 2.9 mg/L 1.0 1 10/17/20 21:39 14808-79-8 REPORT OF LABORATORY ANALYSIS This report shall not be reproduced, except in full, Date: 11 /12/2020 05:16 PM without the written consent of Pace Analytical Services, LLC. Page 7 of 16 leAnalyiical www.pacelabs.com Pace Analytical Services, LLC 9800 Kincey Ave. Suite 100 Huntersville, NC 28078 (704)875-9092 ANALYTICAL RESULTS Project: NC DOT WBS# 34348.3.5 Pace Project No.: 92500572 Sample: MW-13 Lab ID: 92500572005 Collected: 10/14/20 13:00 Received: 10/15/20 10:49 Matrix: Water Parameters Results Units Report Limit DF Prepared Analyzed CAS No. Qual 300.0 IC Anions 28 Days Analytical Method: EPA 300.0 Rev 2.1 1993 Pace Analytical Services -Asheville Sulfate 75.4 mg/L 1.0 1 10/17/20 22:22 14808-79-8 REPORT OF LABORATORY ANALYSIS This report shall not be reproduced, except in full, Date: 11 /12/2020 05:16 PM without the written consent of Pace Analytical Services, LLC. Page 8 of 16 leAnalyiical www.pacelabs.com Pace Analytical Services, LLC 9800 Kincey Ave. Suite 100 Huntersville, NC 28078 (704)875-9092 ANALYTICAL RESULTS Project: NC DOT WBS# 34348.3.5 Pace Project No.: 92500572 Sample: WSW-10 Lab ID: 92500572006 Collected: 10/14/20 15:25 Received: 10/15/20 10:49 Matrix: Water Parameters Results Units Report Limit DF Prepared Analyzed CAS No. Qual 300.0 IC Anions 28 Days Analytical Method: EPA 300.0 Rev 2.1 1993 Pace Analytical Services -Asheville Sulfate 40.5 mg/L 1.0 1 10/17/20 22:37 14808-79-8 REPORT OF LABORATORY ANALYSIS This report shall not be reproduced, except in full, Date: 11 /12/2020 05:16 PM without the written consent of Pace Analytical Services, LLC. Page 9 of 16 leAnalyiical www.pacelabs.com Pace Analytical Services, LLC 9800 Kincey Ave. Suite 100 Huntersville, NC 28078 (704)875-9092 ANALYTICAL RESULTS Project: NC DOT WBS# 34348.3.5 Pace Project No.: 92500572 Sample: WSW-11 Lab ID: 92500572007 Collected: 10/14/20 15:00 Received: 10/15/20 10:49 Matrix: Water Parameters Results Units Report Limit DF Prepared Analyzed CAS No. Qual 300.0 IC Anions 28 Days Analytical Method: EPA 300.0 Rev 2.1 1993 Pace Analytical Services -Asheville Sulfate 38.4 mg/L 1.0 1 10/17/20 22:51 14808-79-8 Date: 11/12/2020 05:16 PM REPORT OF LABORATORY ANALYSIS This report shall not be reproduced, except in full, without the written consent of Pace Analytical Services, LLC. Page 10 of 16 leAnalyiical www.pacelabs.com Pace Analytical Services, LLC 9800 Kincey Ave. Suite 100 Huntersville, NC 28078 (704)875-9092 QUALITY CONTROL DATA Project: NC DOT WBS# 34348.3.5 Pace Project No.: 92500572 QC Batch: 573962 Analysis Method: EPA 300.0 Rev 2.1 1993 QC Batch Method: EPA 300.0 Rev 2.1 1993 Analysis Description: 300.0 IC Anions Laboratory: Pace Analytical Services -Asheville Associated Lab Samples: 92500572001, 92500572002, 92500572003, 92500572004, 92500572005, 92500572006, 92500572007 METHOD BLANK: 3038788 Matrix: Water Associated Lab Samples: 92500572001, 92500572002, 92500572003, 92500572004, 92500572005, 92500572006, 92500572007 Blank Reporting Parameter Units Result Limit Analyzed Qualifiers Sulfate mg/L ND 1.0 10/17/2018:46 LABORATORY CONTROL SAMPLE: 3038789 Spike LCS LCS % Rec Parameter Units Conc. Result % Rec Limits Qualifiers Sulfate mg/L 50 51.8 104 90-110 MATRIX SPIKE & MATRIX SPIKE DUPLICATE: 3038790 3038791 MS MSD 92500890001 Spike Spike MS MSD MS MSD % Rec Parameter Units Result Conc. Conc. Result Result % Rec % Rec Limits RPD Qual Sulfate mg/L 270 50 50 317 315 94 91 90-110 0 Results presented on this page are in the units indicated by the "Units" column except where an alternate unit is presented to the right of the result. REPORT OF LABORATORY ANALYSIS This report shall not be reproduced, except in full, Date: 11 /12/2020 05:16 PM without the written consent of Pace Analytical Services, LLC. Page 11 of 16 leAnalyiical www.pacelabs.com Pace Analytical Services, LLC 9800 Kincey Ave. Suite 100 Huntersville, NC 28078 (704)875-9092 QUALIFIERS Project: NC DOT WBS# 34348.3.5 Pace Project No.: 92500572 DEFINITIONS DF - Dilution Factor, if reported, represents the factor applied to the reported data due to dilution of the sample aliquot. ND - Not Detected at or above adjusted reporting limit. TNTC - Too Numerous To Count J - Estimated concentration above the adjusted method detection limit and below the adjusted reporting limit. MDL -Adjusted Method Detection Limit. PQL - Practical Quantitation Limit. RL - Reporting Limit - The lowest concentration value that meets project requirements for quantitative data with known precision and bias for a specific analyte in a specific matrix. S - Surrogate 1,2-Diphenylhydrazine decomposes to and cannot be separated from Azobenzene using Method 8270. The result for each analyte is a combined concentration. Consistent with EPA guidelines, unrounded data are displayed and have been used to calculate % recovery and RPD values. LCS(D) - Laboratory Control Sample (Duplicate) MS(D) - Matrix Spike (Duplicate) DUP - Sample Duplicate RPD - Relative Percent Difference NC - Not Calculable. SG - Silica Gel - Clean -Up U - Indicates the compound was analyzed for, but not detected. Acid preservation may not be appropriate for 2 Chloroethylvinyl ether. A separate vial preserved to a pH of 4-5 is recommended in SW846 Chapter 4 for the analysis of Acrolein and Acrylonitrile by EPA Method 8260. N-Nitrosodiphenylamine decomposes and cannot be separated from Diphenylamine using Method 8270. The result reported for each analyte is a combined concentration. Pace Analytical is TNI accredited. Contact your Pace PM for the current list of accredited analytes. TNI -The NELAC Institute. REPORT OF LABORATORY ANALYSIS This report shall not be reproduced, except in full, Date: 11 /12/2020 05:16 PM without the written consent of Pace Analytical Services, LLC. Page 12 of 16 leAnalyiical www.pacelabs.com Pace Analytical Services, LLC 9800 Kincey Ave. Suite 100 Huntersville, NC 28078 (704)875-9092 QUALITY CONTROL DATA CROSS REFERENCE TABLE Project: NC DOT WBS# 34348.3.5 Pace Project No.: 92500572 Lab ID Sample ID QC Batch Method QC Batch Analytical Method 92500572001 MW-1 EPA 300.0 Rev 2.1 1993 573962 92500572002 MW-3 EPA 300.0 Rev 2.1 1993 573962 92500572003 MW-4 EPA 300.0 Rev 2.1 1993 573962 92500572004 MW-12 EPA 300.0 Rev 2.1 1993 573962 92500572005 MW-13 EPA 300.0 Rev 2.1 1993 573962 92500572006 WSW-10 EPA 300.0 Rev 2.1 1993 573962 92500572007 WSW-11 EPA 300.0 Rev 2.1 1993 573962 Date: 11/12/2020 05:16 PM REPORT OF LABORATORY ANALYSIS This report shall not be reproduced, except in full, without the written consent of Pace Analytical Services, LLC. Analytical Batch Page 13 of 16 Document Name; Document Res ued: February 7, 201S Sample Canciffion U an Race (SCUR) Page 1 of 2 Document No.: suing Authority: FCAR-C"3-Rev.06 Pace Carolinas Quality Office Laba ratary receiving samples: Ashevi!!e ❑ Eden❑ Greenwood p Nuntersvige (] AalefgW Mechan€csV91e[] ClfentlUame: Project I w u I O# • 92500572 Courier ❑ ❑UPS enmmetial Race Oother:� f I I I I 92500572 Custody Sea[ Arexnt? []Yes 29No Seals httact7 ❑Yes ,'8No [34te/InW36 Person Examining Ctttients: fCIS/ZC3 Packing Material: ❑Bubble Wrap []Subtle Bags []None ❑ other 61o1oglcal rustle Frozen? Thermometer. .D(es []NO QN/A R Gun !tr ao Type of ice 11et [:Blue❑None Ccoier Temp ('C); S [ Correction Factor: Ad�C) Q �' Temp should be above freezing to 6°C Cnofer Tamp Corrected ('C); C5 (,].Sampbsorteftenp citeria Samples on ice, coalingprecP5s hashegun USDA Regulated Sal[;011/A, %+rater sample) Nd samples Originate in a quarantine zone within the United States:. CA, NY, or SC Idieck maps)? Did sarap!es oegfnate hem a foreign 5aurce i[rtemadonlEy, DES E]ya ... ipdudlw Fawad and Pue= R'co)? I IYas 17No Chain ofaztody Present? Sam PIESAnived within Hold Ill"? es No ]N/a Z Short Hold rme Analysis (<72 iv.)7 ]Yes A. ]NIA 3. RvshTurnAround TrmeRe uested? EYes � [1N/A 4. SuffkieatVolume? Ass QNo ]NJA 5. Correct Containers Used? -Pace Containers Used? *-:Res ❑No QNo ]NIA 6. ON/A Containers lntsct? e�5?es ❑No N/A 7. C15501ved anaiysfs: Sam fes F?eld Fi}tered? E!Yes QNo PP/A 6. Sample labels Match COC? ]No ❑NJA 4. -includes Date/Tine/ID/Apaiysis Matrix Heads ace in VOA V!ais Yes ❑No 1A 10. Rip Blank Presentl QYes QNo R!p &lank CustcdySeafs Present? QYes No }�/A COMMENTS/SAMPi= DISCREPANCY Ffefd Data Requlred? (]Ye5 ❑No Lot 1D cf split containers: CLIENT N OT1FI CATION/RFSOLLM❑N Person contacted: Protect Manager SCURF Review: ?rciect Manager SRF r4evie r: oatelTlme: Data; Date: 3 I I I i Page 14 of 16 Document Name: Sam le Candwon upon Ago �A i?acitmant Na.t 'Check mark top half of box f PH and/or. dechlorinattan is verified and within the acceptance range for presermatlon samples. Ew gorts: VOA, Colfform, TOC, Oil and Grease, DROISO15 (water) COc, LLHg "Bottom half of box fs to list number of bottle Oocunent ReVLMC� February 7, 2018 R a1of2 f=f.rg AutharRy: Pace Caralfnas Ctuaf Office Frajecl WOE ; 92500572 PM: PTE Due Dale: 10/22/20 CLIENT: 92-SOLUTIONS Zi m u_ i ¢ U 0 N u d Q 2 Q Z 4 A A n G1 yg t Q m r J 7 7 ; N x q l7 6 ? N Z N a >r v cYi $u 7 S N 5 = �t E 2 7 n zq4 3 L m u o E E E moo{ 4 P d O 6 O 'pp' b Amy. w m A Em E q N > 7 > G, ,n .a a d N E p Y -.. E 04 E $ ut E ut v 3 Y .}'" `Y _ E C1 E Q E p E O E 3� y E E N e 2 of E 6 e M n N v a n C �` a O1 g $ at ? d m N m m 0rl 3 M R C7 Q m 0 4 ra 0 ¢ m @J q m 0 4 T O A > 0 ] C7 rf i ri m C7 4 2 3 N, I I NNN\� � N N\N�l I I HI I�" i(N i � -i N\N\� I N N\Mi i I 5 r 6 7 r 9 IN-11 i1 L2 9H Adjustment Cog for Preserved Samples Sample If} Type of preservative H upae receipt Oate eservelfan ad usted_ Time gremrya8on Arrcunt of PresemUve^ Lat adJusted� added �— Kota, Whenever there is a dLYcrepariW affecting sarth Carolina mmpilance ;ampiea, a copy of this rorm will.3Q;ent to the farthCarai na OEHN Out of hold, incorren preservative, aut of tsmg, incarrect containen. Page 15 of 16 t 4- -k (dWO'J•0IMIS.0) 3dA131d1NY8 (y.�a�yY,lnxpm pauA au�}0.34A�XIif1YW J 1 683 �a�U5 ad 41° a SON. #Wall LIVA11111, .#NOF..... Page 16 of 16 Page 16 of 16 leAnalyiical www.pacelabs.com Pace Analytical Services, LLC 9800 Kincey Ave. Suite 100 Huntersville, NC 28078 (704)875-9092 November 10, 2020 Mike Branson Draper Aden 114 Edinburgh South Dr Suite 200 Cary, NC 27511 RE: Project: NC DOT WBS# 34348.35 Pace Project No.: 92504251 Dear Mike Branson: Enclosed are the analytical results for sample(s) received by the laboratory on November 05, 2020. The results relate only to the samples included in this report. Results reported herein conform to the applicable TNI/NELAC Standards and the laboratory's Quality Manual, where applicable, unless otherwise noted in the body of the report. The test results provided in this final report were generated by each of the following laboratories within the Pace Network: • Pace Analytical Services - Charlotte If you have any questions concerning this report, please feel free to contact me. Sincerely, V(A . � Amanda Payne amanda.payne@pacelabs.com (704)875-9092 Project Manager Enclosures REPORT OF LABORATORY ANALYSIS This report shall not be reproduced, except in full, without the written consent of Pace Analytical Services, LLC. Page 1 of 34 leAnalyiical www.pacelabs.com Pace Analytical Services, LLC 9800 Kincey Ave. Suite 100 Huntersville, NC 28078 (704)875-9092 CERTIFICATIONS Project: NC DOT WBS# 34348.35 Pace Project No.: 92504251 Pace Analytical Services Charlotte 9800 Kincey Ave. Ste 100, Huntersville, NC 28078 South Carolina Certification #: 99006001 Louisiana/NELAP Certification # LA170028 Florida/NELAP Certification #: E87627 North Carolina Drinking Water Certification #: 37706 Kentucky UST Certification #: 84 North Carolina Field Services Certification #: 5342 Virginia/VELAP Certification #: 460221 North Carolina Wastewater Certification #: 12 REPORT OF LABORATORY ANALYSIS This report shall not be reproduced, except in full, without the written consent of Pace Analytical Services, LLC. Page 2 of 34 leAnalyiical www.pacelabs.com Pace Analytical Services, LLC 9800 Kincey Ave. Suite 100 Huntersville, NC 28078 (704)875-9092 SAMPLE ANALYTE COUNT Project: Pace Project No.: NC DOT WBS# 34348.35 92504251 Analytes Lab ID Sample ID Method Analysts Reported Laboratory 92504251001 MW-1 SM 6200B SAS 63 PASI-C 92504251002 MW-13 SM 6200B SAS 63 PASI-C 92504251003 MW-12 SM 6200B SAS 63 PASI-C 92504251004 MW-3 SM 6200B SAS 63 PASI-C 92504251005 WSW-11 SM 6200B SAS 63 PASI-C 92504251006 WSW-10 SM 6200B SAS 63 PASI-C 92504251007 MW-4 SM 6200B SAS 63 PASI-C 92504251008 Trip Blank SM 6200B SAS 63 PASI-C PASI-C = Pace Analytical Services - Charlotte REPORT OF LABORATORY ANALYSIS This report shall not be reproduced, except in full, without the written consent of Pace Analytical Services, LLC. Page 3 of 34 leAnalyiical www.pacelabs.com Pace Analytical Services, LLC 9800 Kincey Ave. Suite 100 Huntersville, NC 28078 (704)875-9092 ANALYTICAL RESULTS Project: NC DOT WBS# 34348.35 Pace Project No.: 92504251 Sample: MW-1 Lab ID: 92504251001 Collected: 11/04/20 11:00 Received: 11/05/20 12:49 Matrix: Water Parameters Results Units Report Limit DF Prepared Analyzed CAS No. Qual 6200B MSV Analytical Method: SM 6200B Pace Analytical Services - Charlotte Benzene ND ug/L 0.50 1 11/07/20 02:30 71-43-2 Bromobenzene ND ug/L 0.50 1 11/07/20 02:30 108-86-1 Bromochloromethane ND ug/L 0.50 1 11/07/20 02:30 74-97-5 Bromodichloromethane ND ug/L 0.50 1 11/07/20 02:30 75-27-4 Bromoform ND ug/L 0.50 1 11/07/20 02:30 75-25-2 Bromomethane ND ug/L 5.0 1 11/07/20 02:30 74-83-9 n-Butylbenzene ND ug/L 0.50 1 11/07/20 02:30 104-51-8 sec-Butylbenzene ND ug/L 0.50 1 11/07/20 02:30 135-98-8 tert-Butyl benzene ND ug/L 0.50 1 11/07/20 02:30 98-06-6 Carbon tetrachloride ND ug/L 0.50 1 11/07/20 02:30 56-23-5 Chlorobenzene ND ug/L 0.50 1 11/07/20 02:30 108-90-7 Chloroethane ND ug/L 1.0 1 11/07/20 02:30 75-00-3 Chloroform ND ug/L 0.50 1 11/07/20 02:30 67-66-3 Chloromethane ND ug/L 1.0 1 11/07/20 02:30 74-87-3 2-Chlorotoluene ND ug/L 0.50 1 11/07/20 02:30 95-49-8 4-Chlorotoluene ND ug/L 0.50 1 11/07/20 02:30 106-43-4 1,2-Dibromo-3-chloropropane ND ug/L 1.0 1 11/07/20 02:30 96-12-8 Dibromochloromethane ND ug/L 0.50 1 11/07/20 02:30 124-48-1 1,2-Dibromoethane (EDB) ND ug/L 0.50 1 11/07/20 02:30 106-93-4 Dibromomethane ND ug/L 0.50 1 11/07/20 02:30 74-95-3 1,2-Dichlorobenzene ND ug/L 0.50 1 11/07/20 02:30 95-50-1 1,3-Dichlorobenzene ND ug/L 0.50 1 11/07/20 02:30 541-73-1 1,4-Dichlorobenzene ND ug/L 0.50 1 11/07/20 02:30 106-46-7 Dichlorodifluoromethane ND ug/L 0.50 1 11/07/20 02:30 75-71-8 1,1-Dichloroethane ND ug/L 0.50 1 11/07/20 02:30 75-34-3 1,2-Dichloroethane ND ug/L 0.50 1 11/07/20 02:30 107-06-2 1,1-Dichloroethene ND ug/L 0.50 1 11/07/20 02:30 75-35-4 cis-1,2-Dichloroethene ND ug/L 0.50 1 11/07/20 02:30 156-59-2 trans-1,2-Dichloroethene ND ug/L 0.50 1 11/07/20 02:30 156-60-5 1,2-Dichloropropane ND ug/L 0.50 1 11/07/20 02:30 78-87-5 1,3-Dichloropropane ND ug/L 0.50 1 11/07/20 02:30 142-28-9 2,2-Dichloropropane ND ug/L 0.50 1 11/07/20 02:30 594-20-7 1,1-Dichloropropene ND ug/L 0.50 1 11/07/20 02:30 563-58-6 cis-1,3-Dichloropropene ND ug/L 0.50 1 11/07/20 02:30 10061-01-5 trans- 1,3-Dichloropropene ND ug/L 0.50 1 11/07/20 02:30 10061-02-6 Diisopropyl ether ND ug/L 0.50 1 11/07/20 02:30 108-20-3 Ethylbenzene ND ug/L 0.50 1 11/07/20 02:30 100-41-4 Hexachloro-1,3-butadiene ND ug/L 2.0 1 11/07/20 02:30 87-68-3 Isopropylbenzene (Cumene) ND ug/L 0.50 1 11/07/20 02:30 98-82-8 Methylene Chloride ND ug/L 2.0 1 11/07/20 02:30 75-09-2 Methyl-tert-butyl ether ND ug/L 0.50 1 11/07/20 02:30 1634-04-4 Naphthalene ND ug/L 2.0 1 11/07/20 02:30 91-20-3 n-Propylbenzene ND ug/L 0.50 1 11/07/20 02:30 103-65-1 Styrene ND ug/L 0.50 1 11/07/20 02:30 100-42-5 1,1,1,2-Tetrachloroethane ND ug/L 0.50 1 11/07/20 02:30 630-20-6 1,1,2,2-Tetrachloroethane ND ug/L 0.50 1 11/07/20 02:30 79-34-5 REPORT OF LABORATORY ANALYSIS This report shall not be reproduced, except in full, Date: 11 /10/2020 03:15 PM without the written consent of Pace Analytical Services, LLC. Page 4 of 34 leAnalyiical www.pacelabs.com Pace Analytical Services, LLC 9800 Kincey Ave. Suite 100 Huntersville, NC 28078 (704)875-9092 ANALYTICAL RESULTS Project: NC DOT WBS# 34348.35 Pace Project No.: 92504251 Sample: MW-1 Lab ID: 92504251001 Collected: 11/04/20 11:00 Received: 11/05/20 12:49 Matrix: Water Parameters Results Units Report Limit DF Prepared Analyzed CAS No. Qual 6200B MSV Analytical Method: SM 6200B Pace Analytical Services - Charlotte Tetrachloroethene ND ug/L 0.50 1 11/07/20 02:30 127-18-4 Toluene ND ug/L 0.50 1 11/07/20 02:30 108-88-3 1,2,3-Trichlorobenzene ND ug/L 2.0 1 11/07/20 02:30 87-61-6 1,2,4-Trichlorobenzene ND ug/L 2.0 1 11/07/20 02:30 120-82-1 1,1,1-Trichloroethane ND ug/L 0.50 1 11/07/20 02:30 71-55-6 1,1,2-Trichloroethane ND ug/L 0.50 1 11/07/20 02:30 79-00-5 Trichloroethene ND ug/L 0.50 1 11/07/20 02:30 79-01-6 Trichlorofluoromethane ND ug/L 1.0 1 11/07/20 02:30 75-69-4 1,2,3-Trichloropropane ND ug/L 0.50 1 11/07/20 02:30 96-18-4 1,2,4-Trimethylbenzene ND ug/L 0.50 1 11/07/20 02:30 95-63-6 1,3,5-Trimethylbenzene ND ug/L 0.50 1 11/07/20 02:30 108-67-8 Vinyl chloride ND ug/L 1.0 1 11/07/20 02:30 75-01-4 m&p-Xylene ND ug/L 1.0 1 11/07/20 02:30 179601-23-1 o-Xylene ND ug/L 0.50 1 11/07/20 02:30 95-47-6 Surrogates 1,2-Dichloroethane-d4 (S) 101 % 70-130 1 11/07/20 02:30 17060-07-0 4-Bromofluorobenzene (S) 95 % 70-130 1 11/07/20 02:30 460-00-4 Toluene-d8(S) 99 % 70-130 1 11/07/20 02:30 2037-26-5 Date: 11/10/2020 03:15 PM REPORT OF LABORATORY ANALYSIS This report shall not be reproduced, except in full, without the written consent of Pace Analytical Services, LLC. Page 5 of 34 leAnalyiical www.pacelabs.com Pace Analytical Services, LLC 9800 Kincey Ave. Suite 100 Huntersville, NC 28078 (704)875-9092 ANALYTICAL RESULTS Project: NC DOT WBS# 34348.35 Pace Project No.: 92504251 Sample: MW-13 Lab ID: 92504251002 Collected: 11/04/20 11:15 Received: 11/05/20 12:49 Matrix: Water Parameters Results Units Report Limit DF Prepared Analyzed CAS No. Qual 6200B MSV Analytical Method: SM 6200B Pace Analytical Services - Charlotte Benzene 5.3 ug/L 0.50 1 11/09/20 18:51 71-43-2 Bromobenzene ND ug/L 0.50 1 11/09/20 18:51 108-86-1 Bromochloromethane ND ug/L 0.50 1 11/09/20 18:51 74-97-5 Bromodichloromethane ND ug/L 0.50 1 11/09/20 18:51 75-27-4 Bromoform ND ug/L 0.50 1 11/09/20 18:51 75-25-2 Bromomethane ND ug/L 5.0 1 11/09/20 18:51 74-83-9 n-Butylbenzene ND ug/L 0.50 1 11/09/20 18:51 104-51-8 sec-Butylbenzene ND ug/L 0.50 1 11/09/20 18:51 135-98-8 tert-Butyl benzene ND ug/L 0.50 1 11/09/20 18:51 98-06-6 Carbon tetrachloride ND ug/L 0.50 1 11/09/20 18:51 56-23-5 Chlorobenzene ND ug/L 0.50 1 11/09/20 18:51 108-90-7 Chloroethane ND ug/L 1.0 1 11/09/20 18:51 75-00-3 Chloroform ND ug/L 0.50 1 11/09/20 18:51 67-66-3 Chloromethane ND ug/L 1.0 1 11/09/20 18:51 74-87-3 2-Chlorotoluene ND ug/L 0.50 1 11/09/20 18:51 95-49-8 4-Chlorotoluene ND ug/L 0.50 1 11/09/20 18:51 106-43-4 1,2-Dibromo-3-chloropropane ND ug/L 1.0 1 11/09/20 18:51 96-12-8 Dibromochloromethane ND ug/L 0.50 1 11/09/20 18:51 124-48-1 1,2-Dibromoethane (EDB) ND ug/L 0.50 1 11/09/20 18:51 106-93-4 Dibromomethane ND ug/L 0.50 1 11/09/20 18:51 74-95-3 1,2-Dichlorobenzene ND ug/L 0.50 1 11/09/20 18:51 95-50-1 1,3-Dichlorobenzene ND ug/L 0.50 1 11/09/20 18:51 541-73-1 1,4-Dichlorobenzene ND ug/L 0.50 1 11/09/20 18:51 106-46-7 Dichlorodifluoromethane ND ug/L 0.50 1 11/09/20 18:51 75-71-8 1,1-Dichloroethane ND ug/L 0.50 1 11/09/20 18:51 75-34-3 1,2-Dichloroethane ND ug/L 0.50 1 11/09/20 18:51 107-06-2 1,1-Dichloroethene ND ug/L 0.50 1 11/09/20 18:51 75-35-4 cis-1,2-Dichloroethene ND ug/L 0.50 1 11/09/20 18:51 156-59-2 trans-1,2-Dichloroethene ND ug/L 0.50 1 11/09/20 18:51 156-60-5 1,2-Dichloropropane ND ug/L 0.50 1 11/09/20 18:51 78-87-5 1,3-Dichloropropane ND ug/L 0.50 1 11/09/20 18:51 142-28-9 2,2-Dichloropropane ND ug/L 0.50 1 11/09/20 18:51 594-20-7 1,1-Dichloropropene ND ug/L 0.50 1 11/09/20 18:51 563-58-6 cis-1,3-Dichloropropene ND ug/L 0.50 1 11/09/20 18:51 10061-01-5 trans- 1,3-Dichloropropene ND ug/L 0.50 1 11/09/20 18:51 10061-02-6 Diisopropyl ether ND ug/L 0.50 1 11/09/20 18:51 108-20-3 Ethylbenzene 59.6 ug/L 0.50 1 11/09/20 18:51 100-41-4 Hexachloro-1,3-butadiene ND ug/L 2.0 1 11/09/20 18:51 87-68-3 Isopropylbenzene (Cumene) 6.3 ug/L 0.50 1 11/09/20 18:51 98-82-8 Methylene Chloride ND ug/L 2.0 1 11/09/20 18:51 75-09-2 Methyl-tert-butyl ether ND ug/L 0.50 1 11/09/20 18:51 1634-04-4 Naphthalene 22.5 ug/L 2.0 1 11/09/20 18:51 91-20-3 n-Propylbenzene 16.5 ug/L 0.50 1 11/09/20 18:51 103-65-1 Styrene ND ug/L 0.50 1 11/09/20 18:51 100-42-5 1,1,1,2-Tetrachloroethane ND ug/L 0.50 1 11/09/20 18:51 630-20-6 1,1,2,2-Tetrachloroethane ND ug/L 0.50 1 11/09/20 18:51 79-34-5 REPORT OF LABORATORY ANALYSIS This report shall not be reproduced, except in full, Date: 11 /10/2020 03:15 PM without the written consent of Pace Analytical Services, LLC. Page 6 of 34 leAnalyiical www.pacelabs.com Pace Analytical Services, LLC 9800 Kincey Ave. Suite 100 Huntersville, NC 28078 (704)875-9092 ANALYTICAL RESULTS Project: NC DOT WBS# 34348.35 Pace Project No.: 92504251 Sample: MW-13 Lab ID: 92504251002 Collected: 11/04/20 11:15 Received: 11/05/20 12:49 Matrix: Water Parameters Results Units Report Limit DF Prepared Analyzed CAS No. Qual 6200B MSV Analytical Method: SM 6200B Pace Analytical Services - Charlotte Tetrachloroethene ND ug/L 0.50 1 11/09/20 18:51 127-18-4 Toluene 1.4 ug/L 0.50 1 11/09/20 18:51 108-88-3 1,2,3-Trichlorobenzene ND ug/L 2.0 1 11/09/20 18:51 87-61-6 1,2,4-Trichlorobenzene ND ug/L 2.0 1 11/09/20 18:51 120-82-1 1,1,1-Trichloroethane ND ug/L 0.50 1 11/09/20 18:51 71-55-6 1,1,2-Trichloroethane ND ug/L 0.50 1 11/09/20 18:51 79-00-5 Trichloroethene ND ug/L 0.50 1 11/09/20 18:51 79-01-6 Trichlorofluoromethane ND ug/L 1.0 1 11/09/20 18:51 75-69-4 1,2,3-Trichloropropane ND ug/L 0.50 1 11/09/20 18:51 96-18-4 1,2,4-Trimethylbenzene 39.9 ug/L 0.50 1 11/09/20 18:51 95-63-6 1,3,5-Trimethylbenzene ND ug/L 0.50 1 11/09/20 18:51 108-67-8 Vinyl chloride ND ug/L 1.0 1 11/09/20 18:51 75-01-4 m&p-Xylene 52.5 ug/L 1.0 1 11/09/20 18:51 179601-23-1 o-Xylene 2.2 ug/L 0.50 1 11/09/20 18:51 95-47-6 Surrogates 1,2-Dichloroethane-d4 (S) 100 % 70-130 1 11/09/20 18:51 17060-07-0 4-Bromofluorobenzene (S) 97 % 70-130 1 11/09/20 18:51 460-00-4 Toluene-d8 (S) 99 % 70-130 1 11/09/20 18:51 2037-26-5 Date: 11/10/2020 03:15 PM REPORT OF LABORATORY ANALYSIS This report shall not be reproduced, except in full, without the written consent of Pace Analytical Services, LLC. Page 7 of 34 leAnalyiical www.pacelabs.com Pace Analytical Services, LLC 9800 Kincey Ave. Suite 100 Huntersville, NC 28078 (704)875-9092 ANALYTICAL RESULTS Project: NC DOT WBS# 34348.35 Pace Project No.: 92504251 Sample: MW-12 Lab ID: 92504251003 Collected: 11/04/20 12:05 Received: 11/05/20 12:49 Matrix: Water Parameters Results Units Report Limit DF Prepared Analyzed CAS No. Qual 6200B MSV Analytical Method: SM 6200B Pace Analytical Services - Charlotte Benzene ND ug/L 0.50 1 11/07/20 02:48 71-43-2 Bromobenzene ND ug/L 0.50 1 11/07/20 02:48 108-86-1 Bromochloromethane ND ug/L 0.50 1 11/07/20 02:48 74-97-5 Bromodichloromethane ND ug/L 0.50 1 11/07/20 02:48 75-27-4 Bromoform ND ug/L 0.50 1 11/07/20 02:48 75-25-2 Bromomethane ND ug/L 5.0 1 11/07/20 02:48 74-83-9 n-Butylbenzene ND ug/L 0.50 1 11/07/20 02:48 104-51-8 sec-Butylbenzene ND ug/L 0.50 1 11/07/20 02:48 135-98-8 tert-Butyl benzene ND ug/L 0.50 1 11/07/20 02:48 98-06-6 Carbon tetrachloride ND ug/L 0.50 1 11/07/20 02:48 56-23-5 Chlorobenzene ND ug/L 0.50 1 11/07/20 02:48 108-90-7 Chloroethane ND ug/L 1.0 1 11/07/20 02:48 75-00-3 Chloroform ND ug/L 0.50 1 11/07/20 02:48 67-66-3 Chloromethane ND ug/L 1.0 1 11/07/20 02:48 74-87-3 2-Chlorotoluene ND ug/L 0.50 1 11/07/20 02:48 95-49-8 4-Chlorotoluene ND ug/L 0.50 1 11/07/20 02:48 106-43-4 1,2-Dibromo-3-chloropropane ND ug/L 1.0 1 11/07/20 02:48 96-12-8 Dibromochloromethane ND ug/L 0.50 1 11/07/20 02:48 124-48-1 1,2-Dibromoethane (EDB) ND ug/L 0.50 1 11/07/20 02:48 106-93-4 Dibromomethane ND ug/L 0.50 1 11/07/20 02:48 74-95-3 1,2-Dichlorobenzene ND ug/L 0.50 1 11/07/20 02:48 95-50-1 1,3-Dichlorobenzene ND ug/L 0.50 1 11/07/20 02:48 541-73-1 1,4-Dichlorobenzene ND ug/L 0.50 1 11/07/20 02:48 106-46-7 Dichlorodifluoromethane ND ug/L 0.50 1 11/07/20 02:48 75-71-8 1,1-Dichloroethane ND ug/L 0.50 1 11/07/20 02:48 75-34-3 1,2-Dichloroethane ND ug/L 0.50 1 11/07/20 02:48 107-06-2 1,1-Dichloroethene ND ug/L 0.50 1 11/07/20 02:48 75-35-4 cis-1,2-Dichloroethene ND ug/L 0.50 1 11/07/20 02:48 156-59-2 trans-1,2-Dichloroethene ND ug/L 0.50 1 11/07/20 02:48 156-60-5 1,2-Dichloropropane ND ug/L 0.50 1 11/07/20 02:48 78-87-5 1,3-Dichloropropane ND ug/L 0.50 1 11/07/20 02:48 142-28-9 2,2-Dichloropropane ND ug/L 0.50 1 11/07/20 02:48 594-20-7 1,1-Dichloropropene ND ug/L 0.50 1 11/07/20 02:48 563-58-6 cis-1,3-Dichloropropene ND ug/L 0.50 1 11/07/20 02:48 10061-01-5 trans- 1,3-Dichloropropene ND ug/L 0.50 1 11/07/20 02:48 10061-02-6 Diisopropyl ether 0.71 ug/L 0.50 1 11/07/20 02:48 108-20-3 Ethylbenzene ND ug/L 0.50 1 11/07/20 02:48 100-41-4 Hexachloro-1,3-butadiene ND ug/L 2.0 1 11/07/20 02:48 87-68-3 Isopropylbenzene (Cumene) ND ug/L 0.50 1 11/07/20 02:48 98-82-8 Methylene Chloride ND ug/L 2.0 1 11/07/20 02:48 75-09-2 Methyl-tert-butyl ether ND ug/L 0.50 1 11/07/20 02:48 1634-04-4 Naphthalene ND ug/L 2.0 1 11/07/20 02:48 91-20-3 n-Propylbenzene ND ug/L 0.50 1 11/07/20 02:48 103-65-1 Styrene ND ug/L 0.50 1 11/07/20 02:48 100-42-5 1,1,1,2-Tetrachloroethane ND ug/L 0.50 1 11/07/20 02:48 630-20-6 1,1,2,2-Tetrachloroethane ND ug/L 0.50 1 11/07/20 02:48 79-34-5 REPORT OF LABORATORY ANALYSIS This report shall not be reproduced, except in full, Date: 11 /10/2020 03:15 PM without the written consent of Pace Analytical Services, LLC. Page 8 of 34 leAnalyiical www.pacelabs.com Pace Analytical Services, LLC 9800 Kincey Ave. Suite 100 Huntersville, NC 28078 (704)875-9092 ANALYTICAL RESULTS Project: NC DOT WBS# 34348.35 Pace Project No.: 92504251 Sample: MW-12 Lab ID: 92504251003 Collected: 11/04/20 12:05 Received: 11/05/20 12:49 Matrix: Water Parameters Results Units Report Limit DF Prepared Analyzed CAS No. Qual 6200B MSV Analytical Method: SM 6200B Pace Analytical Services - Charlotte Tetrachloroethene ND ug/L 0.50 1 11/07/20 02:48 127-18-4 Toluene ND ug/L 0.50 1 11/07/20 02:48 108-88-3 1,2,3-Trichlorobenzene ND ug/L 2.0 1 11/07/20 02:48 87-61-6 1,2,4-Trichlorobenzene ND ug/L 2.0 1 11/07/20 02:48 120-82-1 1,1,1-Trichloroethane ND ug/L 0.50 1 11/07/20 02:48 71-55-6 1,1,2-Trichloroethane ND ug/L 0.50 1 11/07/20 02:48 79-00-5 Trichloroethene ND ug/L 0.50 1 11/07/20 02:48 79-01-6 Trichlorofluoromethane ND ug/L 1.0 1 11/07/20 02:48 75-69-4 1,2,3-Trichloropropane ND ug/L 0.50 1 11/07/20 02:48 96-18-4 1,2,4-Trimethylbenzene ND ug/L 0.50 1 11/07/20 02:48 95-63-6 1,3,5-Trimethylbenzene ND ug/L 0.50 1 11/07/20 02:48 108-67-8 Vinyl chloride ND ug/L 1.0 1 11/07/20 02:48 75-01-4 m&p-Xylene ND ug/L 1.0 1 11/07/20 02:48 179601-23-1 o-Xylene ND ug/L 0.50 1 11/07/20 02:48 95-47-6 Surrogates 1,2-Dichloroethane-d4 (S) 102 % 70-130 1 11/07/20 02:48 17060-07-0 4-Bromofluorobenzene (S) 96 % 70-130 1 11/07/20 02:48 460-00-4 Toluene-d8 (S) 101 % 70-130 1 11/07/20 02:48 2037-26-5 Date: 11/10/2020 03:15 PM REPORT OF LABORATORY ANALYSIS This report shall not be reproduced, except in full, without the written consent of Pace Analytical Services, LLC. Page 9 of 34 leAnalyiical www.pacelabs.com Pace Analytical Services, LLC 9800 Kincey Ave. Suite 100 Huntersville, NC 28078 (704)875-9092 ANALYTICAL RESULTS Project: NC DOT WBS# 34348.35 Pace Project No.: 92504251 Sample: MW-3 Lab ID: 92504251004 Collected: 11/04/20 12:05 Received: 11/05/20 12:49 Matrix: Water Parameters Results Units Report Limit DF Prepared Analyzed CAS No. Qual 6200B MSV Analytical Method: SM 6200B Pace Analytical Services - Charlotte Benzene ND ug/L 0.50 1 11/07/20 03:06 71-43-2 Bromobenzene ND ug/L 0.50 1 11/07/20 03:06 108-86-1 Bromochloromethane ND ug/L 0.50 1 11/07/20 03:06 74-97-5 Bromodichloromethane ND ug/L 0.50 1 11/07/20 03:06 75-27-4 Bromoform ND ug/L 0.50 1 11/07/20 03:06 75-25-2 Bromomethane ND ug/L 5.0 1 11/07/20 03:06 74-83-9 n-Butylbenzene ND ug/L 0.50 1 11/07/20 03:06 104-51-8 sec-Butylbenzene ND ug/L 0.50 1 11/07/20 03:06 135-98-8 tert-Butyl benzene ND ug/L 0.50 1 11/07/20 03:06 98-06-6 Carbon tetrachloride ND ug/L 0.50 1 11/07/20 03:06 56-23-5 Chlorobenzene ND ug/L 0.50 1 11/07/20 03:06 108-90-7 Chloroethane ND ug/L 1.0 1 11/07/20 03:06 75-00-3 Chloroform ND ug/L 0.50 1 11/07/20 03:06 67-66-3 Chloromethane ND ug/L 1.0 1 11/07/20 03:06 74-87-3 2-Chlorotoluene ND ug/L 0.50 1 11/07/20 03:06 95-49-8 4-Chlorotoluene ND ug/L 0.50 1 11/07/20 03:06 106-43-4 1,2-Dibromo-3-chloropropane ND ug/L 1.0 1 11/07/20 03:06 96-12-8 Dibromochloromethane ND ug/L 0.50 1 11/07/20 03:06 124-48-1 1,2-Dibromoethane (EDB) ND ug/L 0.50 1 11/07/20 03:06 106-93-4 Dibromomethane ND ug/L 0.50 1 11/07/20 03:06 74-95-3 1,2-Dichlorobenzene ND ug/L 0.50 1 11/07/20 03:06 95-50-1 1,3-Dichlorobenzene ND ug/L 0.50 1 11/07/20 03:06 541-73-1 1,4-Dichlorobenzene ND ug/L 0.50 1 11/07/20 03:06 106-46-7 Dichlorodifluoromethane ND ug/L 0.50 1 11/07/20 03:06 75-71-8 1,1-Dichloroethane ND ug/L 0.50 1 11/07/20 03:06 75-34-3 1,2-Dichloroethane ND ug/L 0.50 1 11/07/20 03:06 107-06-2 1,1-Dichloroethene ND ug/L 0.50 1 11/07/20 03:06 75-35-4 cis-1,2-Dichloroethene ND ug/L 0.50 1 11/07/20 03:06 156-59-2 trans-1,2-Dichloroethene ND ug/L 0.50 1 11/07/20 03:06 156-60-5 1,2-Dichloropropane ND ug/L 0.50 1 11/07/20 03:06 78-87-5 1,3-Dichloropropane ND ug/L 0.50 1 11/07/20 03:06 142-28-9 2,2-Dichloropropane ND ug/L 0.50 1 11/07/20 03:06 594-20-7 1,1-Dichloropropene ND ug/L 0.50 1 11/07/20 03:06 563-58-6 cis-1,3-Dichloropropene ND ug/L 0.50 1 11/07/20 03:06 10061-01-5 trans- 1,3-Dichloropropene ND ug/L 0.50 1 11/07/20 03:06 10061-02-6 Diisopropyl ether ND ug/L 0.50 1 11/07/20 03:06 108-20-3 Ethylbenzene ND ug/L 0.50 1 11/07/20 03:06 100-41-4 Hexachloro-1,3-butadiene ND ug/L 2.0 1 11/07/20 03:06 87-68-3 Isopropylbenzene (Cumene) ND ug/L 0.50 1 11/07/20 03:06 98-82-8 Methylene Chloride ND ug/L 2.0 1 11/07/20 03:06 75-09-2 Methyl-tert-butyl ether ND ug/L 0.50 1 11/07/20 03:06 1634-04-4 Naphthalene ND ug/L 2.0 1 11/07/20 03:06 91-20-3 n-Propylbenzene ND ug/L 0.50 1 11/07/20 03:06 103-65-1 Styrene ND ug/L 0.50 1 11/07/20 03:06 100-42-5 1,1,1,2-Tetrachloroethane ND ug/L 0.50 1 11/07/20 03:06 630-20-6 1,1,2,2-Tetrachloroethane ND ug/L 0.50 1 11/07/20 03:06 79-34-5 REPORT OF LABORATORY ANALYSIS This report shall not be reproduced, except in full, Date: 11 /10/2020 03:15 PM without the written consent of Pace Analytical Services, LLC. Page 10 of 34 leAnalyiical www.pacelabs.com Pace Analytical Services, LLC 9800 Kincey Ave. Suite 100 Huntersville, NC 28078 (704)875-9092 ANALYTICAL RESULTS Project: NC DOT WBS# 34348.35 Pace Project No.: 92504251 Sample: MW-3 Lab ID: 92504251004 Collected: 11/04/20 12:05 Received: 11/05/20 12:49 Matrix: Water Parameters Results Units Report Limit DF Prepared Analyzed CAS No. Qual 6200B MSV Analytical Method: SM 6200B Pace Analytical Services - Charlotte Tetrachloroethene ND ug/L 0.50 1 11/07/20 03:06 127-18-4 Toluene ND ug/L 0.50 1 11/07/20 03:06 108-88-3 1,2,3-Trichlorobenzene ND ug/L 2.0 1 11/07/20 03:06 87-61-6 1,2,4-Trichlorobenzene ND ug/L 2.0 1 11/07/20 03:06 120-82-1 1,1,1-Trichloroethane ND ug/L 0.50 1 11/07/20 03:06 71-55-6 1,1,2-Trichloroethane ND ug/L 0.50 1 11/07/20 03:06 79-00-5 Trichloroethene ND ug/L 0.50 1 11/07/20 03:06 79-01-6 Trichlorofluoromethane ND ug/L 1.0 1 11/07/20 03:06 75-69-4 1,2,3-Trichloropropane ND ug/L 0.50 1 11/07/20 03:06 96-18-4 1,2,4-Trimethylbenzene ND ug/L 0.50 1 11/07/20 03:06 95-63-6 1,3,5-Trimethylbenzene ND ug/L 0.50 1 11/07/20 03:06 108-67-8 Vinyl chloride ND ug/L 1.0 1 11/07/20 03:06 75-01-4 m&p-Xylene ND ug/L 1.0 1 11/07/20 03:06 179601-23-1 o-Xylene ND ug/L 0.50 1 11/07/20 03:06 95-47-6 Surrogates 1,2-Dichloroethane-d4 (S) 100 % 70-130 1 11/07/20 03:06 17060-07-0 4-Bromofluorobenzene (S) 96 % 70-130 1 11/07/20 03:06 460-00-4 Toluene-d8(S) 101 % 70-130 1 11/07/20 03:06 2037-26-5 Date: 11/10/2020 03:15 PM REPORT OF LABORATORY ANALYSIS This report shall not be reproduced, except in full, without the written consent of Pace Analytical Services, LLC. Page 11 of 34 leAnalyiical www.pacelabs.com Pace Analytical Services, LLC 9800 Kincey Ave. Suite 100 Huntersville, NC 28078 (704)875-9092 ANALYTICAL RESULTS Project: NC DOT WBS# 34348.35 Pace Project No.: 92504251 Sample: WSW-11 Lab ID: 92504251005 Collected: 11/04/20 12:35 Received: 11/05/20 12:49 Matrix: Water Parameters Results Units Report Limit DF Prepared Analyzed CAS No. Qual 6200B MSV Analytical Method: SM 6200B Pace Analytical Services - Charlotte Benzene ND ug/L 0.50 1 11/07/20 00:07 71-43-2 Bromobenzene ND ug/L 0.50 1 11/07/20 00:07 108-86-1 Bromochloromethane ND ug/L 0.50 1 11/07/20 00:07 74-97-5 Bromodichloromethane ND ug/L 0.50 1 11/07/20 00:07 75-27-4 Bromoform ND ug/L 0.50 1 11/07/20 00:07 75-25-2 Bromomethane ND ug/L 5.0 1 11/07/20 00:07 74-83-9 n-Butylbenzene ND ug/L 0.50 1 11/07/20 00:07 104-51-8 sec-Butylbenzene ND ug/L 0.50 1 11/07/20 00:07 135-98-8 tert-Butyl benzene ND ug/L 0.50 1 11/07/20 00:07 98-06-6 Carbon tetrachloride ND ug/L 0.50 1 11/07/20 00:07 56-23-5 Chlorobenzene ND ug/L 0.50 1 11/07/20 00:07 108-90-7 Chloroethane ND ug/L 1.0 1 11/07/20 00:07 75-00-3 Chloroform ND ug/L 0.50 1 11/07/20 00:07 67-66-3 Chloromethane ND ug/L 1.0 1 11/07/20 00:07 74-87-3 2-Chlorotoluene ND ug/L 0.50 1 11/07/20 00:07 95-49-8 4-Chlorotoluene ND ug/L 0.50 1 11/07/20 00:07 106-43-4 1,2-Dibromo-3-chloropropane ND ug/L 1.0 1 11/07/20 00:07 96-12-8 Dibromochloromethane ND ug/L 0.50 1 11/07/20 00:07 124-48-1 1,2-Dibromoethane (EDB) ND ug/L 0.50 1 11/07/20 00:07 106-93-4 Dibromomethane ND ug/L 0.50 1 11/07/20 00:07 74-95-3 1,2-Dichlorobenzene ND ug/L 0.50 1 11/07/20 00:07 95-50-1 1,3-Dichlorobenzene ND ug/L 0.50 1 11/07/20 00:07 541-73-1 1,4-Dichlorobenzene ND ug/L 0.50 1 11/07/20 00:07 106-46-7 Dichlorodifluoromethane ND ug/L 0.50 1 11/07/20 00:07 75-71-8 1,1-Dichloroethane ND ug/L 0.50 1 11/07/20 00:07 75-34-3 1,2-Dichloroethane ND ug/L 0.50 1 11/07/20 00:07 107-06-2 1,1-Dichloroethene ND ug/L 0.50 1 11/07/20 00:07 75-35-4 cis-1,2-Dichloroethene ND ug/L 0.50 1 11/07/20 00:07 156-59-2 trans-1,2-Dichloroethene ND ug/L 0.50 1 11/07/20 00:07 156-60-5 1,2-Dichloropropane ND ug/L 0.50 1 11/07/20 00:07 78-87-5 1,3-Dichloropropane ND ug/L 0.50 1 11/07/20 00:07 142-28-9 2,2-Dichloropropane ND ug/L 0.50 1 11/07/20 00:07 594-20-7 1,1-Dichloropropene ND ug/L 0.50 1 11/07/20 00:07 563-58-6 cis-1,3-Dichloropropene ND ug/L 0.50 1 11/07/20 00:07 10061-01-5 trans- 1,3-Dichloropropene ND ug/L 0.50 1 11/07/20 00:07 10061-02-6 Diisopropyl ether ND ug/L 0.50 1 11/07/20 00:07 108-20-3 Ethylbenzene ND ug/L 0.50 1 11/07/20 00:07 100-41-4 Hexachloro-1,3-butadiene ND ug/L 2.0 1 11/07/20 00:07 87-68-3 Isopropylbenzene (Cumene) ND ug/L 0.50 1 11/07/20 00:07 98-82-8 Methylene Chloride ND ug/L 2.0 1 11/07/20 00:07 75-09-2 Methyl-tert-butyl ether ND ug/L 0.50 1 11/07/20 00:07 1634-04-4 Naphthalene ND ug/L 2.0 1 11/07/20 00:07 91-20-3 n-Propylbenzene ND ug/L 0.50 1 11/07/20 00:07 103-65-1 Styrene ND ug/L 0.50 1 11/07/20 00:07 100-42-5 1,1,1,2-Tetrachloroethane ND ug/L 0.50 1 11/07/20 00:07 630-20-6 1,1,2,2-Tetrachloroethane ND ug/L 0.50 1 11/07/20 00:07 79-34-5 REPORT OF LABORATORY ANALYSIS This report shall not be reproduced, except in full, Date: 11 /10/2020 03:15 PM without the written consent of Pace Analytical Services, LLC. Page 12 of 34 leAnalyiical www.pacelabs.com Pace Analytical Services, LLC 9800 Kincey Ave. Suite 100 Huntersville, NC 28078 (704)875-9092 ANALYTICAL RESULTS Project: NC DOT WBS# 34348.35 Pace Project No.: 92504251 Sample: WSW-11 Lab ID: 92504251005 Collected: 11/04/20 12:35 Received: 11/05/20 12:49 Matrix: Water Parameters Results Units Report Limit DF Prepared Analyzed CAS No. Qual 6200B MSV Analytical Method: SM 6200B Pace Analytical Services - Charlotte Tetrachloroethene ND ug/L 0.50 1 11/07/20 00:07 127-18-4 Toluene ND ug/L 0.50 1 11/07/20 00:07 108-88-3 1,2,3-Trichlorobenzene ND ug/L 2.0 1 11/07/20 00:07 87-61-6 1,2,4-Trichlorobenzene ND ug/L 2.0 1 11/07/20 00:07 120-82-1 1,1,1-Trichloroethane ND ug/L 0.50 1 11/07/20 00:07 71-55-6 1,1,2-Trichloroethane ND ug/L 0.50 1 11/07/20 00:07 79-00-5 Trichloroethene ND ug/L 0.50 1 11/07/20 00:07 79-01-6 Trichlorofluoromethane ND ug/L 1.0 1 11/07/20 00:07 75-69-4 1,2,3-Trichloropropane ND ug/L 0.50 1 11/07/20 00:07 96-18-4 1,2,4-Trimethylbenzene ND ug/L 0.50 1 11/07/20 00:07 95-63-6 1,3,5-Trimethylbenzene ND ug/L 0.50 1 11/07/20 00:07 108-67-8 Vinyl chloride ND ug/L 1.0 1 11/07/20 00:07 75-01-4 m&p-Xylene ND ug/L 1.0 1 11/07/20 00:07 179601-23-1 o-Xylene ND ug/L 0.50 1 11/07/20 00:07 95-47-6 Surrogates 1,2-Dichloroethane-d4 (S) 100 % 70-130 1 11/07/20 00:07 17060-07-0 4-Bromofluorobenzene (S) 96 % 70-130 1 11/07/20 00:07 460-00-4 Toluene-d8(S) 102 % 70-130 1 11/07/20 00:07 2037-26-5 Date: 11/10/2020 03:15 PM REPORT OF LABORATORY ANALYSIS This report shall not be reproduced, except in full, without the written consent of Pace Analytical Services, LLC. Page 13 of 34 leAnalyiical www.pacelabs.com Pace Analytical Services, LLC 9800 Kincey Ave. Suite 100 Huntersville, NC 28078 (704)875-9092 ANALYTICAL RESULTS Project: NC DOT WBS# 34348.35 Pace Project No.: 92504251 Sample: WSW-10 Lab ID: 92504251006 Collected: 11/04/20 13:00 Received: 11/05/20 12:49 Matrix: Water Parameters Results Units Report Limit DF Prepared Analyzed CAS No. Qual 6200B MSV Analytical Method: SM 6200B Pace Analytical Services - Charlotte Benzene ND ug/L 0.50 1 11/07/20 00:24 71-43-2 Bromobenzene ND ug/L 0.50 1 11/07/20 00:24 108-86-1 Bromochloromethane ND ug/L 0.50 1 11/07/20 00:24 74-97-5 Bromodichloromethane ND ug/L 0.50 1 11/07/20 00:24 75-27-4 Bromoform ND ug/L 0.50 1 11/07/20 00:24 75-25-2 Bromomethane ND ug/L 5.0 1 11/07/20 00:24 74-83-9 n-Butylbenzene ND ug/L 0.50 1 11/07/20 00:24 104-51-8 sec-Butylbenzene ND ug/L 0.50 1 11/07/20 00:24 135-98-8 tert-Butyl benzene ND ug/L 0.50 1 11/07/20 00:24 98-06-6 Carbon tetrachloride ND ug/L 0.50 1 11/07/20 00:24 56-23-5 Chlorobenzene ND ug/L 0.50 1 11/07/20 00:24 108-90-7 Chloroethane ND ug/L 1.0 1 11/07/20 00:24 75-00-3 Chloroform ND ug/L 0.50 1 11/07/20 00:24 67-66-3 Chloromethane ND ug/L 1.0 1 11/07/20 00:24 74-87-3 2-Chlorotoluene ND ug/L 0.50 1 11/07/20 00:24 95-49-8 4-Chlorotoluene ND ug/L 0.50 1 11/07/20 00:24 106-43-4 1,2-Dibromo-3-chloropropane ND ug/L 1.0 1 11/07/20 00:24 96-12-8 Dibromochloromethane ND ug/L 0.50 1 11/07/20 00:24 124-48-1 1,2-Dibromoethane (EDB) ND ug/L 0.50 1 11/07/20 00:24 106-93-4 Dibromomethane ND ug/L 0.50 1 11/07/20 00:24 74-95-3 1,2-Dichlorobenzene ND ug/L 0.50 1 11/07/20 00:24 95-50-1 1,3-Dichlorobenzene ND ug/L 0.50 1 11/07/20 00:24 541-73-1 1,4-Dichlorobenzene ND ug/L 0.50 1 11/07/20 00:24 106-46-7 Dichlorodifluoromethane ND ug/L 0.50 1 11/07/20 00:24 75-71-8 1,1-Dichloroethane ND ug/L 0.50 1 11/07/20 00:24 75-34-3 1,2-Dichloroethane ND ug/L 0.50 1 11/07/20 00:24 107-06-2 1,1-Dichloroethene ND ug/L 0.50 1 11/07/20 00:24 75-35-4 cis-1,2-Dichloroethene ND ug/L 0.50 1 11/07/20 00:24 156-59-2 trans-1,2-Dichloroethene ND ug/L 0.50 1 11/07/20 00:24 156-60-5 1,2-Dichloropropane ND ug/L 0.50 1 11/07/20 00:24 78-87-5 1,3-Dichloropropane ND ug/L 0.50 1 11/07/20 00:24 142-28-9 2,2-Dichloropropane ND ug/L 0.50 1 11/07/20 00:24 594-20-7 1,1-Dichloropropene ND ug/L 0.50 1 11/07/20 00:24 563-58-6 cis-1,3-Dichloropropene ND ug/L 0.50 1 11/07/20 00:24 10061-01-5 trans- 1,3-Dichloropropene ND ug/L 0.50 1 11/07/20 00:24 10061-02-6 Diisopropyl ether ND ug/L 0.50 1 11/07/20 00:24 108-20-3 Ethylbenzene ND ug/L 0.50 1 11/07/20 00:24 100-41-4 Hexachloro-1,3-butadiene ND ug/L 2.0 1 11/07/20 00:24 87-68-3 Isopropylbenzene (Cumene) ND ug/L 0.50 1 11/07/20 00:24 98-82-8 Methylene Chloride ND ug/L 2.0 1 11/07/20 00:24 75-09-2 Methyl-tert-butyl ether ND ug/L 0.50 1 11/07/20 00:24 1634-04-4 Naphthalene ND ug/L 2.0 1 11/07/20 00:24 91-20-3 n-Propylbenzene ND ug/L 0.50 1 11/07/20 00:24 103-65-1 Styrene ND ug/L 0.50 1 11/07/20 00:24 100-42-5 1,1,1,2-Tetrachloroethane ND ug/L 0.50 1 11/07/20 00:24 630-20-6 1,1,2,2-Tetrachloroethane ND ug/L 0.50 1 11/07/20 00:24 79-34-5 REPORT OF LABORATORY ANALYSIS This report shall not be reproduced, except in full, Date: 11 /10/2020 03:15 PM without the written consent of Pace Analytical Services, LLC. Page 14 of 34 leAnalyiical www.pacelabs.com Pace Analytical Services, LLC 9800 Kincey Ave. Suite 100 Huntersville, NC 28078 (704)875-9092 ANALYTICAL RESULTS Project: NC DOT WBS# 34348.35 Pace Project No.: 92504251 Sample: WSW-10 Lab ID: 92504251006 Collected: 11/04/20 13:00 Received: 11/05/20 12:49 Matrix: Water Parameters Results Units Report Limit DF Prepared Analyzed CAS No. Qual 6200B MSV Analytical Method: SM 6200B Pace Analytical Services - Charlotte Tetrachloroethene ND ug/L 0.50 1 11/07/20 00:24 127-18-4 Toluene ND ug/L 0.50 1 11/07/20 00:24 108-88-3 1,2,3-Trichlorobenzene ND ug/L 2.0 1 11/07/20 00:24 87-61-6 1,2,4-Trichlorobenzene ND ug/L 2.0 1 11/07/20 00:24 120-82-1 1,1,1-Trichloroethane ND ug/L 0.50 1 11/07/20 00:24 71-55-6 1,1,2-Trichloroethane ND ug/L 0.50 1 11/07/20 00:24 79-00-5 Trichloroethene ND ug/L 0.50 1 11/07/20 00:24 79-01-6 Trichlorofluoromethane ND ug/L 1.0 1 11/07/20 00:24 75-69-4 1,2,3-Trichloropropane ND ug/L 0.50 1 11/07/20 00:24 96-18-4 1,2,4-Trimethylbenzene ND ug/L 0.50 1 11/07/20 00:24 95-63-6 1,3,5-Trimethylbenzene ND ug/L 0.50 1 11/07/20 00:24 108-67-8 Vinyl chloride ND ug/L 1.0 1 11/07/20 00:24 75-01-4 m&p-Xylene ND ug/L 1.0 1 11/07/20 00:24 179601-23-1 o-Xylene ND ug/L 0.50 1 11/07/20 00:24 95-47-6 Surrogates 1,2-Dichloroethane-d4 (S) 102 % 70-130 1 11/07/20 00:24 17060-07-0 4-Bromofluorobenzene (S) 96 % 70-130 1 11/07/20 00:24 460-00-4 Toluene-d8(S) 99 % 70-130 1 11/07/20 00:24 2037-26-5 Date: 11/10/2020 03:15 PM REPORT OF LABORATORY ANALYSIS This report shall not be reproduced, except in full, without the written consent of Pace Analytical Services, LLC. Page 15 of 34 leAnalyiical www.pacelabs.com Pace Analytical Services, LLC 9800 Kincey Ave. Suite 100 Huntersville, NC 28078 (704)875-9092 ANALYTICAL RESULTS Project: NC DOT WBS# 34348.35 Pace Project No.: 92504251 Sample: MW-4 Lab ID: 92504251007 Collected: 11/04/20 13:15 Received: 11/05/20 12:49 Matrix: Water Parameters Results Units Report Limit DF Prepared Analyzed CAS No. Qual 6200B MSV Analytical Method: SM 6200B Pace Analytical Services - Charlotte Benzene 101 ug/L 0.50 1 11/09/20 19:09 71-43-2 Bromobenzene ND ug/L 0.50 1 11/09/20 19:09 108-86-1 Bromochloromethane ND ug/L 0.50 1 11/09/20 19:09 74-97-5 Bromodichloromethane ND ug/L 0.50 1 11/09/20 19:09 75-27-4 Bromoform ND ug/L 0.50 1 11/09/20 19:09 75-25-2 Bromomethane ND ug/L 5.0 1 11/09/20 19:09 74-83-9 n-Butylbenzene ND ug/L 0.50 1 11/09/20 19:09 104-51-8 sec-Butylbenzene ND ug/L 0.50 1 11/09/20 19:09 135-98-8 tert-Butyl benzene ND ug/L 0.50 1 11/09/20 19:09 98-06-6 Carbon tetrachloride ND ug/L 0.50 1 11/09/20 19:09 56-23-5 Chlorobenzene ND ug/L 0.50 1 11/09/20 19:09 108-90-7 Chloroethane ND ug/L 1.0 1 11/09/20 19:09 75-00-3 Chloroform ND ug/L 0.50 1 11/09/20 19:09 67-66-3 Chloromethane ND ug/L 1.0 1 11/09/20 19:09 74-87-3 2-Chlorotoluene ND ug/L 0.50 1 11/09/20 19:09 95-49-8 4-Chlorotoluene ND ug/L 0.50 1 11/09/20 19:09 106-43-4 1,2-Dibromo-3-chloropropane ND ug/L 1.0 1 11/09/20 19:09 96-12-8 Dibromochloromethane ND ug/L 0.50 1 11/09/20 19:09 124-48-1 1,2-Dibromoethane (EDB) ND ug/L 0.50 1 11/09/20 19:09 106-93-4 Dibromomethane ND ug/L 0.50 1 11/09/20 19:09 74-95-3 1,2-Dichlorobenzene ND ug/L 0.50 1 11/09/20 19:09 95-50-1 1,3-Dichlorobenzene ND ug/L 0.50 1 11/09/20 19:09 541-73-1 1,4-Dichlorobenzene ND ug/L 0.50 1 11/09/20 19:09 106-46-7 Dichlorodifluoromethane ND ug/L 0.50 1 11/09/20 19:09 75-71-8 1,1-Dichloroethane ND ug/L 0.50 1 11/09/20 19:09 75-34-3 1,2-Dichloroethane ND ug/L 0.50 1 11/09/20 19:09 107-06-2 1,1-Dichloroethene ND ug/L 0.50 1 11/09/20 19:09 75-35-4 cis-1,2-Dichloroethene ND ug/L 0.50 1 11/09/20 19:09 156-59-2 trans-1,2-Dichloroethene ND ug/L 0.50 1 11/09/20 19:09 156-60-5 1,2-Dichloropropane ND ug/L 0.50 1 11/09/20 19:09 78-87-5 1,3-Dichloropropane ND ug/L 0.50 1 11/09/20 19:09 142-28-9 2,2-Dichloropropane ND ug/L 0.50 1 11/09/20 19:09 594-20-7 1,1-Dichloropropene ND ug/L 0.50 1 11/09/20 19:09 563-58-6 cis-1,3-Dichloropropene ND ug/L 0.50 1 11/09/20 19:09 10061-01-5 trans- 1,3-Dichloropropene ND ug/L 0.50 1 11/09/20 19:09 10061-02-6 Diisopropyl ether 2.5 ug/L 0.50 1 11/09/20 19:09 108-20-3 Ethylbenzene 94.2 ug/L 0.50 1 11/09/20 19:09 100-41-4 Hexachloro-1,3-butadiene ND ug/L 2.0 1 11/09/20 19:09 87-68-3 Isopropylbenzene (Cumene) 7.9 ug/L 0.50 1 11/09/20 19:09 98-82-8 Methylene Chloride ND ug/L 2.0 1 11/09/20 19:09 75-09-2 Methyl-tert-butyl ether ND ug/L 0.50 1 11/09/20 19:09 1634-04-4 Naphthalene 3.7 ug/L 2.0 1 11/09/20 19:09 91-20-3 n-Propylbenzene 20.4 ug/L 0.50 1 11/09/20 19:09 103-65-1 Styrene ND ug/L 0.50 1 11/09/20 19:09 100-42-5 1,1,1,2-Tetrachloroethane ND ug/L 0.50 1 11/09/20 19:09 630-20-6 1,1,2,2-Tetrachloroethane ND ug/L 0.50 1 11/09/20 19:09 79-34-5 REPORT OF LABORATORY ANALYSIS This report shall not be reproduced, except in full, Date: 11 /10/2020 03:15 PM without the written consent of Pace Analytical Services, LLC. Page 16 of 34 leAnalyiical www.pacelabs.com Pace Analytical Services, LLC 9800 Kincey Ave. Suite 100 Huntersville, NC 28078 (704)875-9092 ANALYTICAL RESULTS Project: NC DOT WBS# 34348.35 Pace Project No.: 92504251 Sample: MW-4 Lab ID: 92504251007 Collected: 11/04/20 13:15 Received: 11/05/20 12:49 Matrix: Water Parameters Results Units Report Limit DF Prepared Analyzed CAS No. Qual 6200B MSV Analytical Method: SM 6200B Pace Analytical Services - Charlotte Tetrachloroethene ND ug/L 0.50 1 11/09/20 19:09 127-18-4 Toluene 1.8 ug/L 0.50 1 11/09/20 19:09 108-88-3 1,2,3-Trichlorobenzene ND ug/L 2.0 1 11/09/20 19:09 87-61-6 1,2,4-Trichlorobenzene ND ug/L 2.0 1 11/09/20 19:09 120-82-1 1,1,1-Trichloroethane ND ug/L 0.50 1 11/09/20 19:09 71-55-6 1,1,2-Trichloroethane ND ug/L 0.50 1 11/09/20 19:09 79-00-5 Trichloroethene ND ug/L 0.50 1 11/09/20 19:09 79-01-6 Trichlorofluoromethane ND ug/L 1.0 1 11/09/20 19:09 75-69-4 1,2,3-Trichloropropane ND ug/L 0.50 1 11/09/20 19:09 96-18-4 1,2,4-Trimethylbenzene 29.3 ug/L 0.50 1 11/09/20 19:09 95-63-6 1,3,5-Trimethylbenzene ND ug/L 0.50 1 11/09/20 19:09 108-67-8 Vinyl chloride ND ug/L 1.0 1 11/09/20 19:09 75-01-4 m&p-Xylene 4.4 ug/L 1.0 1 11/09/20 19:09 179601-23-1 o-Xylene 1.0 ug/L 0.50 1 11/09/20 19:09 95-47-6 Surrogates 1,2-Dichloroethane-d4 (S) 101 % 70-130 1 11/09/20 19:09 17060-07-0 4-Bromofluorobenzene (S) 97 % 70-130 1 11/09/20 19:09 460-00-4 Toluene-d8 (S) 99 % 70-130 1 11/09/20 19:09 2037-26-5 Date: 11/10/2020 03:15 PM REPORT OF LABORATORY ANALYSIS This report shall not be reproduced, except in full, without the written consent of Pace Analytical Services, LLC. Page 17 of 34 leAnalyiical www.pacelabs.com Pace Analytical Services, LLC 9800 Kincey Ave. Suite 100 Huntersville, NC 28078 (704)875-9092 ANALYTICAL RESULTS Project: NC DOT WBS# 34348.35 Pace Project No.: 92504251 Sample: Trip Blank Lab ID: 92504251008 Collected: 11/04/20 00:00 Received: 11/05/20 12:49 Matrix: Water Parameters Results Units Report Limit DF Prepared Analyzed CAS No. Qual 6200B MSV Analytical Method: SM 6200B Pace Analytical Services - Charlotte Benzene ND ug/L 0.50 1 11/06/20 23:13 71-43-2 Bromobenzene ND ug/L 0.50 1 11/06/20 23:13 108-86-1 Bromochloromethane ND ug/L 0.50 1 11/06/20 23:13 74-97-5 Bromodichloromethane ND ug/L 0.50 1 11/06/20 23:13 75-27-4 Bromoform ND ug/L 0.50 1 11/06/20 23:13 75-25-2 Bromomethane ND ug/L 5.0 1 11/06/20 23:13 74-83-9 n-Butylbenzene ND ug/L 0.50 1 11/06/20 23:13 104-51-8 sec-Butylbenzene ND ug/L 0.50 1 11/06/20 23:13 135-98-8 tert-Butyl benzene ND ug/L 0.50 1 11/06/20 23:13 98-06-6 Carbon tetrachloride ND ug/L 0.50 1 11/06/20 23:13 56-23-5 Chlorobenzene ND ug/L 0.50 1 11/06/20 23:13 108-90-7 Chloroethane ND ug/L 1.0 1 11/06/20 23:13 75-00-3 Chloroform ND ug/L 0.50 1 11/06/20 23:13 67-66-3 Chloromethane ND ug/L 1.0 1 11/06/20 23:13 74-87-3 2-Chlorotoluene ND ug/L 0.50 1 11/06/20 23:13 95-49-8 4-Chlorotoluene ND ug/L 0.50 1 11/06/20 23:13 106-43-4 1,2-Dibromo-3-chloropropane ND ug/L 1.0 1 11/06/20 23:13 96-12-8 Dibromochloromethane ND ug/L 0.50 1 11/06/20 23:13 124-48-1 1,2-Dibromoethane (EDB) ND ug/L 0.50 1 11/06/20 23:13 106-93-4 Dibromomethane ND ug/L 0.50 1 11/06/20 23:13 74-95-3 1,2-Dichlorobenzene ND ug/L 0.50 1 11/06/20 23:13 95-50-1 1,3-Dichlorobenzene ND ug/L 0.50 1 11/06/20 23:13 541-73-1 1,4-Dichlorobenzene ND ug/L 0.50 1 11/06/20 23:13 106-46-7 Dichlorodifluoromethane ND ug/L 0.50 1 11/06/20 23:13 75-71-8 1,1-Dichloroethane ND ug/L 0.50 1 11/06/20 23:13 75-34-3 1,2-Dichloroethane ND ug/L 0.50 1 11/06/20 23:13 107-06-2 1,1-Dichloroethene ND ug/L 0.50 1 11/06/20 23:13 75-35-4 cis-1,2-Dichloroethene ND ug/L 0.50 1 11/06/20 23:13 156-59-2 trans-1,2-Dichloroethene ND ug/L 0.50 1 11/06/20 23:13 156-60-5 1,2-Dichloropropane ND ug/L 0.50 1 11/06/20 23:13 78-87-5 1,3-Dichloropropane ND ug/L 0.50 1 11/06/20 23:13 142-28-9 2,2-Dichloropropane ND ug/L 0.50 1 11/06/20 23:13 594-20-7 1,1-Dichloropropene ND ug/L 0.50 1 11/06/20 23:13 563-58-6 cis-1,3-Dichloropropene ND ug/L 0.50 1 11/06/20 23:13 10061-01-5 trans- 1,3-Dichloropropene ND ug/L 0.50 1 11/06/20 23:13 10061-02-6 Diisopropyl ether ND ug/L 0.50 1 11/06/20 23:13 108-20-3 Ethylbenzene ND ug/L 0.50 1 11/06/20 23:13 100-41-4 Hexachloro-1,3-butadiene ND ug/L 2.0 1 11/06/20 23:13 87-68-3 Isopropylbenzene (Cumene) ND ug/L 0.50 1 11/06/20 23:13 98-82-8 Methylene Chloride ND ug/L 2.0 1 11/06/20 23:13 75-09-2 Methyl-tert-butyl ether ND ug/L 0.50 1 11/06/20 23:13 1634-04-4 Naphthalene ND ug/L 2.0 1 11/06/20 23:13 91-20-3 n-Propylbenzene ND ug/L 0.50 1 11/06/20 23:13 103-65-1 Styrene ND ug/L 0.50 1 11/06/20 23:13 100-42-5 1,1,1,2-Tetrachloroethane ND ug/L 0.50 1 11/06/20 23:13 630-20-6 1,1,2,2-Tetrachloroethane ND ug/L 0.50 1 11/06/20 23:13 79-34-5 REPORT OF LABORATORY ANALYSIS This report shall not be reproduced, except in full, Date: 11 /10/2020 03:15 PM without the written consent of Pace Analytical Services, LLC. Page 18 of 34 leAnalyiical www.pacelabs.com Pace Analytical Services, LLC 9800 Kincey Ave. Suite 100 Huntersville, NC 28078 (704)875-9092 ANALYTICAL RESULTS Project: NC DOT WBS# 34348.35 Pace Project No.: 92504251 Sample: Trip Blank Lab ID: 92504251008 Collected: 11/04/20 00:00 Received: 11/05/20 12:49 Matrix: Water Parameters Results Units Report Limit DF Prepared Analyzed CAS No. Qual 6200B MSV Analytical Method: SM 6200B Pace Analytical Services - Charlotte Tetrachloroethene ND ug/L 0.50 1 11/06/20 23:13 127-18-4 Toluene ND ug/L 0.50 1 11/06/20 23:13 108-88-3 1,2,3-Trichlorobenzene ND ug/L 2.0 1 11/06/20 23:13 87-61-6 1,2,4-Trichlorobenzene ND ug/L 2.0 1 11/06/20 23:13 120-82-1 1,1,1-Trichloroethane ND ug/L 0.50 1 11/06/20 23:13 71-55-6 1,1,2-Trichloroethane ND ug/L 0.50 1 11/06/20 23:13 79-00-5 Trichloroethene ND ug/L 0.50 1 11/06/20 23:13 79-01-6 Trichlorofluoromethane ND ug/L 1.0 1 11/06/20 23:13 75-69-4 1,2,3-Trichloropropane ND ug/L 0.50 1 11/06/20 23:13 96-18-4 1,2,4-Trimethylbenzene ND ug/L 0.50 1 11/06/20 23:13 95-63-6 1,3,5-Trimethylbenzene ND ug/L 0.50 1 11/06/20 23:13 108-67-8 Vinyl chloride ND ug/L 1.0 1 11/06/20 23:13 75-01-4 m&p-Xylene ND ug/L 1.0 1 11/06/20 23:13 179601-23-1 o-Xylene ND ug/L 0.50 1 11/06/20 23:13 95-47-6 Surrogates 1,2-Dichloroethane-d4 (S) 97 % 70-130 1 11/06/20 23:13 17060-07-0 4-Bromofluorobenzene (S) 95 % 70-130 1 11/06/20 23:13 460-00-4 Toluene-d8(S) 100 % 70-130 1 11/06/20 23:13 2037-26-5 Date: 11/10/2020 03:15 PM REPORT OF LABORATORY ANALYSIS This report shall not be reproduced, except in full, without the written consent of Pace Analytical Services, LLC. Page 19 of 34 leAnalyiical www.pacelabs.com Pace Analytical Services, LLC 9800 Kincey Ave. Suite 100 Huntersville, NC 28078 (704)875-9092 QUALITY CONTROL DATA Project: NC DOT WBS# 34348.35 Pace Project No.: 92504251 QC Batch: 578616 Analysis Method: SM 6200B QC Batch Method: SM 6200B Analysis Description: 6200E MSV Laboratory: Pace Analytical Services - Charlotte Associated Lab Samples: 92504251001, 92504251003, 92504251004, 92504251005, 92504251006, 92504251008 METHOD BLANK: 3061356 Matrix: Water Associated Lab Samples: 92504251001, 92504251003, 92504251004, 92504251005, 92504251006, 92504251008 Blank Reporting Parameter Units Result Limit Analyzed Qualifiers 1,1,1,2-Tetrachloroethane ug/L ND 0.50 11/06/20 22:55 1,1,1-Trichloroethane ug/L ND 0.50 11/06/20 22:55 1,1,2,2-Tetrachloroethane ug/L ND 0.50 11/06/20 22:55 1,1,2-Trichloroethane ug/L ND 0.50 11/06/20 22:55 1,1-Dichloroethane ug/L ND 0.50 11/06/20 22:55 1,1-Dichloroethene ug/L ND 0.50 11/06/20 22:55 1,1-Dichloropropene ug/L ND 0.50 11/06/20 22:55 1,2,3-Trichlorobenzene ug/L ND 2.0 11/06/20 22:55 1,2,3-Trichloropropane ug/L ND 0.50 11/06/20 22:55 1,2,4-Trichlorobenzene ug/L ND 2.0 11/06/20 22:55 1,2,4-Trimethylbenzene ug/L ND 0.50 11/06/20 22:55 1,2-Dibromo-3-chloropropane ug/L ND 1.0 11/06/20 22:55 1,2-Dibromoethane (EDB) ug/L ND 0.50 11/06/20 22:55 1,2-Dichlorobenzene ug/L ND 0.50 11/06/20 22:55 1,2-Dichloroethane ug/L ND 0.50 11/06/20 22:55 1,2-Dichloropropane ug/L ND 0.50 11/06/20 22:55 1,3,5-Trimethylbenzene ug/L ND 0.50 11/06/20 22:55 1,3-Dichlorobenzene ug/L ND 0.50 11/06/20 22:55 1,3-Dichloropropane ug/L ND 0.50 11/06/20 22:55 1,4-Dichlorobenzene ug/L ND 0.50 11/06/20 22:55 2,2-Dichloropropane ug/L ND 0.50 11/06/20 22:55 2-Chlorotoluene ug/L ND 0.50 11/06/20 22:55 4-Chlorotoluene ug/L ND 0.50 11/06/20 22:55 Benzene ug/L ND 0.50 11/06/20 22:55 Bromobenzene ug/L ND 0.50 11/06/20 22:55 Bromochloromethane ug/L ND 0.50 11/06/20 22:55 Bromodichloromethane ug/L ND 0.50 11/06/20 22:55 Bromoform ug/L ND 0.50 11/06/20 22:55 Bromomethane ug/L ND 5.0 11/06/20 22:55 Carbon tetrachloride ug/L ND 0.50 11/06/20 22:55 Chlorobenzene ug/L ND 0.50 11/06/20 22:55 Chloroethane ug/L ND 1.0 11/06/20 22:55 Chloroform ug/L ND 0.50 11/06/20 22:55 Chloromethane ug/L ND 1.0 11/06/20 22:55 cis-1,2-Dichloroethene ug/L ND 0.50 11/06/20 22:55 cis-1,3-Dichloropropene ug/L ND 0.50 11/06/20 22:55 Dibromochloromethane ug/L ND 0.50 11/06/20 22:55 Dibromomethane ug/L ND 0.50 11/06/20 22:55 Dichlorodifluoromethane ug/L ND 0.50 11/06/20 22:55 Diisopropyl ether ug/L ND 0.50 11/06/20 22:55 Results presented on this page are in the units indicated by the "Units" column except where an alternate unit is presented to the right of the result. REPORT OF LABORATORY ANALYSIS This report shall not be reproduced, except in full, Date: 11 /10/2020 03:15 PM without the written consent of Pace Analytical Services, LLC. Page 20 of 34 leAnalyiical www.pacelabs.com Pace Analytical Services, LLC 9800 Kincey Ave. Suite 100 Huntersville, NC 28078 (704)875-9092 QUALITY CONTROL DATA Project: NC DOT WBS# 34348.35 Pace Project No.: 92504251 METHOD BLANK: 3061356 Matrix: Water Associated Lab Samples: 92504251001, 92504251003, 92504251004, 92504251005, 92504251006, 92504251008 Blank Reporting Parameter Units Result Limit Analyzed Qualifiers Ethylbenzene ug/L ND 0.50 11/06/20 22:55 Hexachloro-1,3-butadiene ug/L ND 2.0 11/06/20 22:55 Isopropylbenzene (Cumene) ug/L ND 0.50 11/06/20 22:55 m&p-Xylene ug/L ND 1.0 11/06/20 22:55 Methyl-tert-butyl ether ug/L ND 0.50 11/06/20 22:55 Methylene Chloride ug/L ND 2.0 11/06/20 22:55 n-Butylbenzene ug/L ND 0.50 11/06/20 22:55 n-Propylbenzene ug/L ND 0.50 11/06/20 22:55 Naphthalene ug/L ND 2.0 11/06/20 22:55 o-Xylene ug/L ND 0.50 11/06/20 22:55 sec-Butylbenzene ug/L ND 0.50 11/06/20 22:55 Styrene ug/L ND 0.50 11/06/20 22:55 tert-Butyl benzene ug/L ND 0.50 11/06/20 22:55 Tetrachloroethene ug/L ND 0.50 11/06/20 22:55 Toluene ug/L ND 0.50 11/06/20 22:55 trans-1,2-Dichloroethene ug/L ND 0.50 11/06/20 22:55 trans- 1,3-Dichloropropene ug/L ND 0.50 11/06/20 22:55 Trichloroethene ug/L ND 0.50 11/06/20 22:55 Trichlorofluoromethane ug/L ND 1.0 11/06/20 22:55 Vinyl chloride ug/L ND 1.0 11/06/20 22:55 1,2-Dichloroethane-d4 (S) % 101 70-130 11/06/20 22:55 4-Bromofluorobenzene (S) % 97 70-130 11/06/20 22:55 Toluene-d8 (S) % 100 70-130 11/06/20 22:55 LABORATORY CONTROL SAMPLE: Parameter 3061357 Units Spike Conc. LCS Result LCS % Rec % Rec Limits Qualifiers 1,1,1,2-Tetrachloroethane ug/L 50 51.3 103 60-140 1,1,1-Trichloroethane ug/L 50 48.7 97 60-140 1,1,2,2-Tetrachloroethane ug/L 50 49.5 99 60-140 1,1,2-Trichloroethane ug/L 50 50.2 100 60-140 1,1-Dichloroethane ug/L 50 49.5 99 60-140 1,1-Dichloroethene ug/L 50 52.3 105 60-140 1,1-Dichloropropene ug/L 50 48.0 96 60-140 1,2,3-Trichlorobenzene ug/L 50 52.3 105 60-140 1,2,3-Trichloropropane ug/L 50 48.7 97 60-140 1,2,4-Trichlorobenzene ug/L 50 55.1 110 60-140 1,2,4-Trimethylbenzene ug/L 50 50.9 102 60-140 1,2-Dibromo-3-chloropropane ug/L 50 53.3 107 60-140 1,2-Dibromoethane (EDB) ug/L 50 51.1 102 60-140 1,2-Dichlorobenzene ug/L 50 51.8 104 60-140 1,2-Dichloroethane ug/L 50 44.1 88 60-140 1,2-Dichloropropane ug/L 50 50.2 100 60-140 1,3,5-Trimethylbenzene ug/L 50 51.7 103 60-140 Results presented on this page are in the units indicated by the "Units" column except where an alternate unit is presented to the right of the result. REPORT OF LABORATORY ANALYSIS This report shall not be reproduced, except in full, Date: 11 /10/2020 03:15 PM without the written consent of Pace Analytical Services, LLC. Page 21 of 34 leAnalyiical www.pacelabs.com Pace Analytical Services, LLC 9800 Kincey Ave. Suite 100 Huntersville, NC 28078 (704)875-9092 QUALITY CONTROL DATA Project: NC DOT WBS# 34348.35 Pace Project No.: 92504251 LABORATORY CONTROL SAMPLE: Parameter 3061357 Units Spike Conc. LCS Result LCS % Rec % Rec Limits 1,3-Dichlorobenzene ug/L 50 52.5 105 60-140 1,3-Dichloropropane ug/L 50 50.6 101 60-140 1,4-Dichlorobenzene ug/L 50 51.8 104 60-140 2,2-Dichloropropane ug/L 50 48.8 98 60-140 2-Chlorotoluene ug/L 50 52.0 104 60-140 4-Chlorotoluene ug/L 50 50.2 100 60-140 Benzene ug/L 50 49.5 99 60-140 Bromobenzene ug/L 50 49.1 98 60-140 Bromochloromethane ug/L 50 48.3 97 60-140 Bromodichloromethane ug/L 50 48.6 97 60-140 Bromoform ug/L 50 48.4 97 60-140 Bromomethane ug/L 50 54.4 109 60-140 Carbon tetrachloride ug/L 50 47.7 95 60-140 Chlorobenzene ug/L 50 50.0 100 60-140 Chloroethane ug/L 50 38.2 76 60-140 Chloroform ug/L 50 48.8 98 60-140 Chloromethane ug/L 50 42.9 86 60-140 cis-1,2-Dichloroethene ug/L 50 48.6 97 60-140 cis-1,3-Dichloropropene ug/L 50 50.9 102 60-140 Dibromochloromethane ug/L 50 53.0 106 60-140 Dibromomethane ug/L 50 51.4 103 60-140 Dichlorodifluoromethane ug/L 50 40.5 81 60-140 Diisopropyl ether ug/L 50 47.0 94 60-140 Ethylbenzene ug/L 50 49.2 98 60-140 Hexachloro-1,3-butadiene ug/L 50 48.9 98 60-140 Isopropylbenzene (Cumene) ug/L 50 52.3 105 60-140 m&p-Xylene ug/L 100 99.7 100 60-140 Methyl-tert-butyl ether ug/L 50 48.3 97 60-140 Methylene Chloride ug/L 50 46.7 93 60-140 n-Butylbenzene ug/L 50 53.1 106 60-140 n-Propylbenzene ug/L 50 51.3 103 60-140 Naphthalene ug/L 50 56.3 113 60-140 o-Xylene ug/L 50 50.7 101 60-140 sec-Butylbenzene ug/L 50 51.1 102 60-140 Styrene ug/L 50 50.7 101 60-140 tert-Butyl benzene ug/L 50 44.1 88 60-140 Tetrachloroethene ug/L 50 50.0 100 60-140 Toluene ug/L 50 48.9 98 60-140 trans-1,2-Dichloroethene ug/L 50 49.6 99 60-140 trans- 1,3-Dichloropropene ug/L 50 50.3 101 60-140 Trichloroethene ug/L 50 50.6 101 60-140 Trichlorofluoromethane ug/L 50 38.4 77 60-140 Vinyl chloride ug/L 50 42.5 85 60-140 1,2-Dichloroethane-d4 (S) % 98 70-130 4-Bromofluorobenzene (S) % 100 70-130 Toluene-d8 (S) % 99 70-130 Qualifiers Results presented on this page are in the units indicated by the "Units" column except where an alternate unit is presented to the right of the result. REPORT OF LABORATORY ANALYSIS This report shall not be reproduced, except in full, Date: 11 /10/2020 03:15 PM without the written consent of Pace Analytical Services, LLC. Page 22 of 34 leAnalyiical www.pacelabs.com Pace Analytical Services, LLC 9800 Kincey Ave. Suite 100 Huntersville, NC 28078 (704)875-9092 QUALITY CONTROL DATA Project: NC DOT WBS# 34348.35 Pace Project No.: 92504251 MATRIX SPIKE & MATRIX SPIKE DUPLICATE: 3061358 3061359 MS MSD 92502947009 Spike Spike MS MSD MS MSD % Rec Parameter Units Result Conc. Conc. Result Result % Rec % Rec Limits RPD Qual 1,1,1,2-Tetrachloroethane ug/L ND 100 100 110 109 110 109 60-140 1 1,1,1-Trichloroethane ug/L ND 100 100 111 107 111 107 60-140 3 1,1,2,2-Tetrachloroethane ug/L ND 100 100 104 109 104 109 60-140 5 1,1,2-Trichloroethane ug/L ND 100 100 110 106 110 106 60-140 4 1,1-Dichloroethane ug/L ND 100 100 109 106 109 106 60-140 3 1,1-Dichloroethene ug/L ND 100 100 122 119 122 119 60-140 2 1,1-Dichloropropene ug/L ND 100 100 112 109 112 109 60-140 3 1,2,3-Trichlorobenzene ug/L ND 100 100 99.1 112 99 112 60-140 12 1,2,3-Trichloropropane ug/L ND 100 100 110 109 110 109 60-140 1 1,2,4-Trichlorobenzene ug/L ND 100 100 106 112 106 112 60-140 5 1,2,4-Trimethylbenzene ug/L 346 100 100 383 385 36 39 60-140 1 M1 1,2-Dibromo-3-chloropropane ug/L ND 100 100 110 115 110 115 60-140 4 1,2-Dibromoethane (EDB) ug/L ND 100 100 109 108 109 108 60-140 1 1,2-Dichlorobenzene ug/L ND 100 100 110 108 110 108 60-140 2 1,2-Dichloroethane ug/L 36.0 100 100 132 128 97 92 60-140 3 1,2-Dichloropropane ug/L ND 100 100 112 108 112 108 60-140 4 1,3,5-Trimethylbenzene ug/L ND 100 100 193 193 193 193 60-140 0 M1 1,3-Dichlorobenzene ug/L ND 100 100 109 109 109 109 60-140 1 1,3-Dichloropropane ug/L ND 100 100 110 110 110 110 60-140 0 1,4-Dichlorobenzene ug/L ND 100 100 109 109 109 109 60-140 1 2,2-Dichloropropane ug/L ND 100 100 92.4 87.8 92 88 60-140 5 2-Chlorotoluene ug/L ND 100 100 116 115 116 115 60-140 1 4-Chlorotoluene ug/L ND 100 100 107 106 107 106 60-140 0 Benzene ug/L 558 100 100 672 666 114 109 60-140 1 Bromobenzene ug/L ND 100 100 107 106 107 106 60-140 1 Bromochloromethane ug/L ND 100 100 107 103 107 103 60-140 3 Bromodichloromethane ug/L ND 100 100 105 103 105 103 60-140 2 Bromoform ug/L ND 100 100 97.6 99.9 98 100 60-140 2 Bromomethane ug/L ND 100 100 96.2 109 96 109 60-140 13 Carbon tetrachloride ug/L ND 100 100 113 108 113 108 60-140 4 Chlorobenzene ug/L ND 100 100 110 109 110 109 60-140 1 Chloroethane ug/L ND 100 100 102 100 102 100 60-140 2 Chloroform ug/L ND 100 100 107 104 107 104 60-140 2 Chloromethane ug/L ND 100 100 89.2 89.4 89 89 60-140 0 cis-1,2-Dichloroethene ug/L ND 100 100 106 104 106 104 60-140 2 cis-1,3-Dichloropropene ug/L ND 100 100 107 104 107 104 60-140 3 Dibromochloromethane ug/L ND 100 100 109 108 109 108 60-140 1 Dibromomethane ug/L ND 100 100 112 109 112 109 60-140 3 Dichlorodifluoromethane ug/L ND 100 100 99.1 96.4 99 96 60-140 3 Diisopropyl ether ug/L 723 100 100 861 856 138 133 60-140 1 Ethylbenzene ug/L 56.5 100 100 162 161 105 104 60-140 1 Hexachloro-1,3-butadiene ug/L ND 100 100 99.4 103 99 103 60-140 3 Isopropylbenzene(Cumene) ug/L 25.7 100 100 135 137 109 111 60-140 2 m&p-Xylene ug/L 149 200 200 356 356 104 104 60-140 0 Methyl-tert-butyl ether ug/L ND 100 100 106 103 106 103 60-140 3 Methylene Chloride ug/L ND 100 100 107 104 107 104 60-140 3 Results presented on this page are in the units indicated by the "Units" column except where an alternate unit is presented to the right of the result. REPORT OF LABORATORY ANALYSIS This report shall not be reproduced, except in full, Date: 11 /10/2020 03:15 PM without the written consent of Pace Analytical Services, LLC. Page 23 of 34 leAnalyiical www.pacelabs.com Pace Analytical Services, LLC 9800 Kincey Ave. Suite 100 Huntersville, NC 28078 (704)875-9092 QUALITY CONTROL DATA Project: NC DOT WBS# 34348.35 Pace Project No.: 92504251 MATRIX SPIKE & MATRIX SPIKE DUPLICATE: 3061358 3061359 MS MSD 92502947009 Spike Spike MS MSD MS MSD % Rec Parameter Units Result Conc. Conc. Result Result % Rec % Rec Limits RPD Qual n-Butylbenzene ug/L ND 100 100 133 134 133 134 60-140 1 n-Propylbenzene ug/L ND 100 100 128 127 128 127 60-140 1 Naphthalene ug/L 275 100 100 335 367 60 92 60-140 9 o-Xylene ug/L 55.2 100 100 164 161 108 105 60-140 2 sec-Butylbenzene ug/L ND 100 100 123 124 123 124 60-140 0 Styrene ug/L ND 100 100 110 111 110 111 60-140 1 tert-Butyl benzene ug/L ND 100 100 98.9 98.5 99 98 60-140 0 Tetrachloroethene ug/L ND 100 100 112 112 112 112 60-140 1 Toluene ug/L 8.1 100 100 117 113 109 104 60-140 4 trans-1,2-Dichloroethene ug/L ND 100 100 110 107 110 107 60-140 3 trans- 1,3-Dichloropropene ug/L ND 100 100 104 101 104 101 60-140 3 Trichloroethene ug/L ND 100 100 110 110 110 110 60-140 0 Trichlorofluoromethane ug/L ND 100 100 103 102 103 102 60-140 1 Vinyl chloride ug/L ND 100 100 99.7 99.2 100 99 60-140 1 1,2-Dichloroethane-d4 (S) % 98 98 70-130 4-Bromofluorobenzene (S) % 100 100 70-130 Toluene-d8(S) % 98 99 70-130 Results presented on this page are in the units indicated by the "Units" column except where an alternate unit is presented to the right of the result. REPORT OF LABORATORY ANALYSIS This report shall not be reproduced, except in full, Date: 11 /10/2020 03:15 PM without the written consent of Pace Analytical Services, LLC. Page 24 of 34 leAnalyiical www.pacelabs.com Pace Analytical Services, LLC 9800 Kincey Ave. Suite 100 Huntersville, NC 28078 (704)875-9092 QUALITY CONTROL DATA Project: NC DOT WBS# 34348.35 Pace Project No.: 92504251 QC Batch: 578890 Analysis Method: SM 6200B QC Batch Method: SM 6200B Analysis Description: 6200E MSV Laboratory: Pace Analytical Services - Charlotte Associated Lab Samples: 92504251002, 92504251007 METHOD BLANK: 3062955 Associated Lab Samples: 92504251002, 92504251007 Parameter Units Matrix: Blank Result Water Reporting Limit Analyzed 1,1,1,2-Tetrachloroethane ug/L ND 0.50 11/09/20 11:42 1,1,1-Trichloroethane ug/L ND 0.50 11/09/20 11:42 1,1,2,2-Tetrachloroethane ug/L ND 0.50 11/09/20 11:42 1,1,2-Trichloroethane ug/L ND 0.50 11/09/20 11:42 1,1-Dichloroethane ug/L ND 0.50 11/09/20 11:42 1,1-Dichloroethene ug/L ND 0.50 11/09/20 11:42 1,1-Dichloropropene ug/L ND 0.50 11/09/20 11:42 1,2,3-Trichlorobenzene ug/L ND 2.0 11/09/20 11:42 1,2,3-Trichloropropane ug/L ND 0.50 11/09/20 11:42 1,2,4-Trichlorobenzene ug/L ND 2.0 11/09/20 11:42 1,2,4-Trimethylbenzene ug/L ND 0.50 11/09/20 11:42 1,2-Dibromo-3-chloropropane ug/L ND 1.0 11/09/20 11:42 1,2-Dibromoethane (EDB) ug/L ND 0.50 11/09/20 11:42 1,2-Dichlorobenzene ug/L ND 0.50 11/09/20 11:42 1,2-Dichloroethane ug/L ND 0.50 11/09/20 11:42 1,2-Dichloropropane ug/L ND 0.50 11/09/20 11:42 1,3,5-Trimethylbenzene ug/L ND 0.50 11/09/20 11:42 1,3-Dichlorobenzene ug/L ND 0.50 11/09/20 11:42 1,3-Dichloropropane ug/L ND 0.50 11/09/20 11:42 1,4-Dichlorobenzene ug/L ND 0.50 11/09/20 11:42 2,2-Dichloropropane ug/L ND 0.50 11/09/20 11:42 2-Chlorotoluene ug/L ND 0.50 11/09/20 11:42 4-Chlorotoluene ug/L ND 0.50 11/09/20 11:42 Benzene ug/L ND 0.50 11/09/20 11:42 Bromobenzene ug/L ND 0.50 11/09/20 11:42 Bromochloromethane ug/L ND 0.50 11/09/20 11:42 Bromodichloromethane ug/L ND 0.50 11/09/20 11:42 Bromoform ug/L ND 0.50 11/09/20 11:42 Bromomethane ug/L ND 5.0 11/09/20 11:42 Carbon tetrachloride ug/L ND 0.50 11/09/20 11:42 Chlorobenzene ug/L ND 0.50 11/09/20 11:42 Chloroethane ug/L ND 1.0 11/09/20 11:42 Chloroform ug/L ND 0.50 11/09/20 11:42 Chloromethane ug/L ND 1.0 11/09/20 11:42 cis-1,2-Dichloroethene ug/L ND 0.50 11/09/20 11:42 cis-1,3-Dichloropropene ug/L ND 0.50 11/09/20 11:42 Dibromochloromethane ug/L ND 0.50 11/09/20 11:42 Dibromomethane ug/L ND 0.50 11/09/20 11:42 Dichlorodifluoromethane ug/L ND 0.50 11/09/20 11:42 Diisopropyl ether ug/L ND 0.50 11/09/20 11:42 Qualifiers Results presented on this page are in the units indicated by the "Units" column except where an alternate unit is presented to the right of the result. REPORT OF LABORATORY ANALYSIS This report shall not be reproduced, except in full, Date: 11 /10/2020 03:15 PM without the written consent of Pace Analytical Services, LLC. Page 25 of 34 leAnalyiical www.pacelabs.com Pace Analytical Services, LLC 9800 Kincey Ave. Suite 100 Huntersville, NC 28078 (704)875-9092 QUALITY CONTROL DATA Project: NC DOT WBS# 34348.35 Pace Project No.: 92504251 METHOD BLANK: 3062955 Associated Lab Samples: 92504251002, 92504251007 Parameter Units Matrix: Blank Result Water Reporting Limit Analyzed Ethylbenzene ug/L ND 0.50 11/09/20 11:42 Hexachloro-1,3-butadiene ug/L ND 2.0 11/09/20 11:42 Isopropylbenzene (Cumene) ug/L ND 0.50 11/09/20 11:42 m&p-Xylene ug/L ND 1.0 11/09/20 11:42 Methyl-tert-butyl ether ug/L ND 0.50 11/09/20 11:42 Methylene Chloride ug/L ND 2.0 11/09/20 11:42 n-Butylbenzene ug/L ND 0.50 11/09/20 11:42 n-Propylbenzene ug/L ND 0.50 11/09/20 11:42 Naphthalene ug/L ND 2.0 11/09/20 11:42 o-Xylene ug/L ND 0.50 11/09/20 11:42 sec-Butylbenzene ug/L ND 0.50 11/09/20 11:42 Styrene ug/L ND 0.50 11/09/20 11:42 tert-Butyl benzene ug/L ND 0.50 11/09/20 11:42 Tetrachloroethene ug/L ND 0.50 11/09/20 11:42 Toluene ug/L ND 0.50 11/09/20 11:42 trans-1,2-Dichloroethene ug/L ND 0.50 11/09/20 11:42 trans- 1,3-Dichloropropene ug/L ND 0.50 11/09/20 11:42 Trichloroethene ug/L ND 0.50 11/09/20 11:42 Trichlorofluoromethane ug/L ND 1.0 11/09/20 11:42 Vinyl chloride ug/L ND 1.0 11/09/20 11:42 1,2-Dichloroethane-d4 (S) % 104 70-130 11/09/20 11:42 4-Bromofluorobenzene (S) % 97 70-130 11/09/20 11:42 Toluene-d8 (S) % 102 70-130 11/09/20 11:42 Qualifiers LABORATORY CONTROL SAMPLE: Parameter 3062956 Units Spike Conc. LCS Result LCS % Rec % Rec Limits 1,1,1,2-Tetrachloroethane ug/L 50 50.3 101 60-140 1,1,1-Trichloroethane ug/L 50 46.9 94 60-140 1,1,2,2-Tetrachloroethane ug/L 50 47.1 94 60-140 1,1,2-Trichloroethane ug/L 50 47.3 95 60-140 1,1-Dichloroethane ug/L 50 46.9 94 60-140 1,1-Dichloroethene ug/L 50 50.6 101 60-140 1,1-Dichloropropene ug/L 50 47.2 94 60-140 1,2,3-Trichlorobenzene ug/L 50 50.9 102 60-140 1,2,3-Trichloropropane ug/L 50 47.8 96 60-140 1,2,4-Trichlorobenzene ug/L 50 54.0 108 60-140 1,2,4-Trimethylbenzene ug/L 50 50.3 101 60-140 1,2-Dibromo-3-chloropropane ug/L 50 53.0 106 60-140 1,2-Dibromoethane (EDB) ug/L 50 49.0 98 60-140 1,2-Dichlorobenzene ug/L 50 50.9 102 60-140 1,2-Dichloroethane ug/L 50 41.9 84 60-140 1,2-Dichloropropane ug/L 50 48.8 98 60-140 1,3,5-Trimethylbenzene ug/L 50 50.5 101 60-140 Qualifiers Results presented on this page are in the units indicated by the "Units" column except where an alternate unit is presented to the right of the result. REPORT OF LABORATORY ANALYSIS This report shall not be reproduced, except in full, Date: 11 /10/2020 03:15 PM without the written consent of Pace Analytical Services, LLC. Page 26 of 34 leAnalyiical www.pacelabs.com Pace Analytical Services, LLC 9800 Kincey Ave. Suite 100 Huntersville, NC 28078 (704)875-9092 QUALITY CONTROL DATA Project: NC DOT WBS# 34348.35 Pace Project No.: 92504251 LABORATORY CONTROL SAMPLE: Parameter 3062956 Units Spike Conc. LCS Result LCS % Rec % Rec Limits 1,3-Dichlorobenzene ug/L 50 51.1 102 60-140 1,3-Dichloropropane ug/L 50 48.9 98 60-140 1,4-Dichlorobenzene ug/L 50 51.3 103 60-140 2,2-Dichloropropane ug/L 50 48.8 98 60-140 2-Chlorotoluene ug/L 50 51.2 102 60-140 4-Chlorotoluene ug/L 50 50.0 100 60-140 Benzene ug/L 50 47.7 95 60-140 Bromobenzene ug/L 50 49.0 98 60-140 Bromochloromethane ug/L 50 47.5 95 60-140 Bromodichloromethane ug/L 50 48.1 96 60-140 Bromoform ug/L 50 48.6 97 60-140 Bromomethane ug/L 50 52.6 105 60-140 Carbon tetrachloride ug/L 50 47.9 96 60-140 Chlorobenzene ug/L 50 48.8 98 60-140 Chloroethane ug/L 50 37.9 76 60-140 Chloroform ug/L 50 45.5 91 60-140 Chloromethane ug/L 50 40.3 81 60-140 cis-1,2-Dichloroethene ug/L 50 45.6 91 60-140 cis-1,3-Dichloropropene ug/L 50 49.8 100 60-140 Dibromochloromethane ug/L 50 52.3 105 60-140 Dibromomethane ug/L 50 48.8 98 60-140 Dichlorodifluoromethane ug/L 50 42.2 84 60-140 Diisopropyl ether ug/L 50 44.7 89 60-140 Ethylbenzene ug/L 50 48.0 96 60-140 Hexachloro-1,3-butadiene ug/L 50 49.5 99 60-140 Isopropylbenzene (Cumene) ug/L 50 50.8 102 60-140 m&p-Xylene ug/L 100 97.9 98 60-140 Methyl-tert-butyl ether ug/L 50 45.5 91 60-140 Methylene Chloride ug/L 50 44.6 89 60-140 n-Butylbenzene ug/L 50 52.3 105 60-140 n-Propylbenzene ug/L 50 51.0 102 60-140 Naphthalene ug/L 50 53.7 107 60-140 o-Xylene ug/L 50 48.7 97 60-140 sec-Butylbenzene ug/L 50 50.4 101 60-140 Styrene ug/L 50 49.7 99 60-140 tert-Butyl benzene ug/L 50 43.5 87 60-140 Tetrachloroethene ug/L 50 49.9 100 60-140 Toluene ug/L 50 47.5 95 60-140 trans-1,2-Dichloroethene ug/L 50 46.9 94 60-140 trans- 1,3-Dichloropropene ug/L 50 48.9 98 60-140 Trichloroethene ug/L 50 49.5 99 60-140 Trichlorofluoromethane ug/L 50 40.2 80 60-140 Vinyl chloride ug/L 50 41.0 82 60-140 1,2-Dichloroethane-d4 (S) % 93 70-130 4-Bromofluorobenzene (S) % 98 70-130 Toluene-d8 (S) % 97 70-130 Qualifiers Results presented on this page are in the units indicated by the "Units" column except where an alternate unit is presented to the right of the result. REPORT OF LABORATORY ANALYSIS This report shall not be reproduced, except in full, Date: 11 /10/2020 03:15 PM without the written consent of Pace Analytical Services, LLC. Page 27 of 34 leAnalyiical www.pacelabs.com Pace Analytical Services, LLC 9800 Kincey Ave. Suite 100 Huntersville, NC 28078 (704)875-9092 QUALITY CONTROL DATA Project: NC DOT WBS# 34348.35 Pace Project No.: 92504251 MATRIX SPIKE & MATRIX SPIKE DUPLICATE: 3062957 3062958 MS MSD 92504291004 Spike Spike MS MSD MS MSD % Rec Parameter Units Result Conc. Conc. Result Result % Rec % Rec Limits RPD Qual 1,1,1,2-Tetrachloroethane ug/L ND 250 250 268 259 107 104 60-140 4 1,1,1-Trichloroethane ug/L ND 250 250 263 262 105 105 60-140 0 1,1,2,2-Tetrachloroethane ug/L ND 250 250 243 239 97 96 60-140 2 1,1,2-Trichloroethane ug/L ND 250 250 255 249 102 99 60-140 3 1,1-Dichloroethane ug/L ND 250 250 259 255 104 102 60-140 2 1,1-Dichloroethene ug/L ND 250 250 287 285 115 114 60-140 1 1,1-Dichloropropene ug/L ND 250 250 260 263 104 105 60-140 1 1,2,3-Trichlorobenzene ug/L ND 250 250 223 240 89 96 60-140 7 1,2,3-Trichloropropane ug/L ND 250 250 262 248 105 99 60-140 5 1,2,4-Trichlorobenzene ug/L ND 250 250 243 256 97 102 60-140 5 1,2,4-Trimethylbenzene ug/L 644 250 250 887 937 97 117 60-140 5 1,2-Dibromo-3-chloropropane ug/L ND 250 250 243 251 97 100 60-140 3 1,2-Dibromoethane (EDB) ug/L 17.4 250 250 277 270 104 101 60-140 2 1,2-Dichlorobenzene ug/L ND 250 250 247 256 99 102 60-140 4 1,2-Dichloroethane ug/L 47.1 250 250 280 270 93 89 60-140 4 1,2-Dichloropropane ug/L ND 250 250 264 261 106 104 60-140 1 1,3,5-Trimethylbenzene ug/L ND 250 250 444 462 177 185 60-140 4 M1 1,3-Dichlorobenzene ug/L ND 250 250 249 261 99 104 60-140 5 1,3-Dichloropropane ug/L ND 250 250 259 254 103 102 60-140 2 1,4-Dichlorobenzene ug/L ND 250 250 249 257 100 103 60-140 3 2,2-Dichloropropane ug/L ND 250 250 238 233 95 93 60-140 2 2-Chlorotoluene ug/L ND 250 250 286 292 114 117 60-140 2 4-Chlorotoluene ug/L ND 250 250 252 259 101 104 60-140 3 Benzene ug/L 426 250 250 679 701 101 110 60-140 3 Bromobenzene ug/L ND 250 250 253 252 101 101 60-140 1 Bromochloromethane ug/L ND 250 250 248 245 99 98 60-140 1 Bromodichloromethane ug/L ND 250 250 249 244 100 97 60-140 2 Bromoform ug/L ND 250 250 240 226 96 90 60-140 6 Bromomethane ug/L ND 250 250 172 258 69 103 60-140 40 R1 Carbon tetrachloride ug/L ND 250 250 267 262 107 105 60-140 2 Chlorobenzene ug/L ND 250 250 261 255 104 102 60-140 2 Chloroethane ug/L ND 250 250 239 241 96 97 60-140 1 Chloroform ug/L ND 250 250 254 259 102 103 60-140 2 Chloromethane ug/L ND 250 250 204 211 81 84 60-140 3 cis-1,2-Dichloroethene ug/L ND 250 250 250 251 100 101 60-140 0 cis-1,3-Dichloropropene ug/L ND 250 250 257 253 103 101 60-140 1 Dibromochloromethane ug/L ND 250 250 265 255 106 102 60-140 4 Dibromomethane ug/L ND 250 250 266 254 106 102 60-140 4 Dichlorodifluoromethane ug/L ND 250 250 228 232 91 93 60-140 2 Diisopropyl ether ug/L 124 250 250 366 370 97 98 60-140 1 Ethylbenzene ug/L 267 250 250 527 533 104 106 60-140 1 Hexachloro-1,3-butadiene ug/L ND 250 250 235 255 94 102 60-140 8 Isopropylbenzene(Cumene) ug/L 18.2 250 250 295 290 111 109 60-140 2 m&p-Xylene ug/L 2160 500 500 2660 2750 100 118 60-140 3 Methyl-tert-butyl ether ug/L 720 250 250 985 1000 106 112 60-140 2 Methylene Chloride ug/L ND 250 250 254 246 102 99 60-140 3 Results presented on this page are in the units indicated by the "Units" column except where an alternate unit is presented to the right of the result. REPORT OF LABORATORY ANALYSIS This report shall not be reproduced, except in full, Date: 11 /10/2020 03:15 PM without the written consent of Pace Analytical Services, LLC. Page 28 of 34 leAnalyiical www.pacelabs.com Pace Analytical Services, LLC 9800 Kincey Ave. Suite 100 Huntersville, NC 28078 (704)875-9092 QUALITY CONTROL DATA Project: NC DOT WBS# 34348.35 Pace Project No.: 92504251 MATRIX SPIKE & MATRIX SPIKE DUPLICATE: 3062957 3062958 MS MSD 92504291004 Spike Spike MS MSD MS MSD % Rec Parameter Units Result Conc. Conc. Result Result % Rec % Rec Limits RPD Qual n-Butylbenzene ug/L ND 250 250 271 289 108 115 60-140 6 n-Propylbenzene ug/L ND 250 250 295 310 118 124 60-140 5 Naphthalene ug/L 181 250 250 434 463 101 113 60-140 6 o-Xylene ug/L 1100 250 250 1380 1400 112 123 60-140 2 sec-Butylbenzene ug/L ND 250 250 270 277 108 111 60-140 2 Styrene ug/L ND 250 250 267 269 107 108 60-140 1 tert-Butyl benzene ug/L ND 250 250 230 238 92 95 60-140 3 Tetrachloroethene ug/L ND 250 250 271 263 108 105 60-140 3 Toluene ug/L 1380 250 250 1600 1670 89 117 60-140 4 trans-1,2-Dichloroethene ug/L ND 250 250 265 261 106 105 60-140 1 trans- 1,3-Dichloropropene ug/L ND 250 250 250 245 100 98 60-140 2 Trichloroethene ug/L ND 250 250 267 268 107 107 60-140 0 Trichlorofluoromethane ug/L ND 250 250 248 245 99 98 60-140 1 Vinyl chloride ug/L ND 250 250 229 235 92 94 60-140 3 1,2-Dichloroethane-d4 (S) % 97 96 70-130 4-Bromofluorobenzene (S) % 99 99 70-130 Toluene-d8(S) % 98 99 70-130 Results presented on this page are in the units indicated by the "Units" column except where an alternate unit is presented to the right of the result. REPORT OF LABORATORY ANALYSIS This report shall not be reproduced, except in full, Date: 11 /10/2020 03:15 PM without the written consent of Pace Analytical Services, LLC. Page 29 of 34 leAnalyiical www.pacelabs.com Pace Analytical Services, LLC 9800 Kincey Ave. Suite 100 Huntersville, NC 28078 (704)875-9092 QUALIFIERS Project: NC DOT WBS# 34348.35 Pace Project No.: 92504251 DEFINITIONS DF - Dilution Factor, if reported, represents the factor applied to the reported data due to dilution of the sample aliquot. ND - Not Detected at or above adjusted reporting limit. TNTC - Too Numerous To Count J - Estimated concentration above the adjusted method detection limit and below the adjusted reporting limit. MDL -Adjusted Method Detection Limit. PQL - Practical Quantitation Limit. RL - Reporting Limit - The lowest concentration value that meets project requirements for quantitative data with known precision and bias for a specific analyte in a specific matrix. S - Surrogate 1,2-Diphenylhydrazine decomposes to and cannot be separated from Azobenzene using Method 8270. The result for each analyte is a combined concentration. Consistent with EPA guidelines, unrounded data are displayed and have been used to calculate % recovery and RPD values. LCS(D) - Laboratory Control Sample (Duplicate) MS(D) - Matrix Spike (Duplicate) DUP - Sample Duplicate RPD - Relative Percent Difference NC - Not Calculable. SG - Silica Gel - Clean -Up U - Indicates the compound was analyzed for, but not detected. Acid preservation may not be appropriate for 2 Chloroethylvinyl ether. A separate vial preserved to a pH of 4-5 is recommended in SW846 Chapter 4 for the analysis of Acrolein and Acrylonitrile by EPA Method 8260. N-Nitrosodiphenylamine decomposes and cannot be separated from Diphenylamine using Method 8270. The result reported for each analyte is a combined concentration. Pace Analytical is TNI accredited. Contact your Pace PM for the current list of accredited analytes. TNI -The NELAC Institute. ANALYTE QUALIFIERS M1 Matrix spike recovery exceeded QC limits. Batch accepted based on laboratory control sample (LCS) recovery. R1 RPD value was outside control limits. REPORT OF LABORATORY ANALYSIS This report shall not be reproduced, except in full, Date: 11 /10/2020 03:15 PM without the written consent of Pace Analytical Services, LLC. Page 30 of 34 leAnalyiical www.pacelabs.com Pace Analytical Services, LLC 9800 Kincey Ave. Suite 100 Huntersville, NC 28078 (704)875-9092 QUALITY CONTROL DATA CROSS REFERENCE TABLE Project: NC DOT WBS# 34348.35 Pace Project No.: 92504251 Lab ID Sample ID QC Batch Method QC Batch Analytical Method 92504251001 MW-1 SM 6200B 578616 92504251002 MW-13 SM 6200B 578890 92504251003 MW-12 SM 6200B 578616 92504251004 MW-3 SM 6200B 578616 92504251005 WSW-11 SM 6200E 578616 92504251006 WSW-10 SM 6200E 578616 92504251007 MW-4 SM 6200B 578890 92504251008 Trip Blank SM 6200B 578616 Date: 11/10/2020 03:15 PM REPORT OF LABORATORY ANALYSIS This report shall not be reproduced, except in full, without the written consent of Pace Analytical Services, LLC. Analytical Batch Page 31 of 34 Document Name: Document Revised: October 26, 10ZU Sample Condition Upon Recelpt(SCUR) Page 1 of 2 2ce Ana ij4ical Document No.: Issuing Authority: F-CAR-CS-033-Rev.07 Pace Carolinas Quality Office Laboratory receiving samples: Asheville ❑ Eden❑ Greenwood ❑ Huntersville [El' Raleigh❑ Mechanicsville❑ Atlanta❑ Kernersville❑ Upon Client Name: Wp# ■ 92504251 J C Project # ■ .. e✓• A E y Courier: ❑FFO Ex ❑UPS LIUSPS ❑Client ❑ Commerctal : 92304251 I Custody Seal Present? [-]Yes to seals Intact? []Yes ❑N-o Date/initials Person Examining Contents:yw / i 1112- e, Packing Material: afSbble Wrap RBbble Bags ❑None ❑ Other Biological Tissue Fro z ? Thermometer: ❑Yes ❑No /A et ❑ Blue ❑None Gun ID: 92TO61 Type of Ice: r I Correction Factor: Cooler Temp: Add/Subtract (°C} 0.0 Temp should be above freezing to 6°C []Samples out of temp criteria. Samples on ice, cooling process Cooler Temp Corrected ('C Z ' t has begun USDA Regulated Soil { N/A, water sample) Did samples originate in a quarantine zone within the United States: CA, NY, or SC icheck maps)? Did samples originate from a foreign source (internationally, r-1.,_- M.. inHtifiiraHawnii and Puerto Ricol? FlYes nNo Comments/Discrepancy: Chain of Custody Present? es ❑No ❑N/A 1. Sam les Arrived within Hold Time? es [:]No ❑NIA 2. Short Hold Time Analysis (02 hr.)? ❑Yes No ❑N/A 3. Rush Turn Around Time Requested? Dyes 2<1-,-- ❑N/A 4. Sufficient Volume? EK ❑No ❑NIA S. Correct Containers Used? e5 ❑No ❑NIA 6. -Pace Containers Used? es ❑No ❑N/A Containers Intact? es No ❑N/A 7. Dissolved analysis: Samples Field Filtered? [-]Yes B< ❑N/A S. Sample Labels Match COC? es ❑No ❑N/A ,4. includes Date/Time/ID/Analysis Matrix: W]` Headspace in VOA Vials (>5-6mm)? ❑Ye No ❑N/A 10. Trip Blank Present? ❑No [:]N/A 11. Trip Blank Custody Seals Present? ��,Y/es Rom►' []No ❑N/A COMMENTS/SAMPLE DISCREPANCY CLIENT NOTIFICATION/RESOLUTION Person contacted: Project Manager SCURF Review: Date/Time: Lot ID of split containers: Date: Field Data Required? []Yes ❑No Project Manager SRF Review: Date: 32 of 34 �PaceAnapical r Document Name: Sample Condition upon Recei Document No.: f-CAR-CS-433-Rev.07 Document Revisecl: uctooer 28, Lulu Page 2 of 2 Issuing Authority: Pace Carolinas Quality Office *Check mark top half of box if pH and/or dechlorination is verified and within the acceptance range for preservation samples. Exceptions: VOA, Coliform, TOC, Oil and Grease, DRO/8015 (water) DOC, LLHg "Bottom half of box is to list number of bottles Project It 1 1O# ; 925p4251 PM: AP Due Date: 11/12/20 CLIENT: 92-SOLUTIONS E a� Z ii c M a E N e-0 7 v d m Z m 8L c M V a E V1 N 7 rn a Co d N c C 7 V ro a E G 0 7 N a m Q iv C 2 iu a Co U v a O zn T u E 4 a a m a q z z u n E 2 M a m Q m Z oa q, w C N u a E rV N v a m U "' N n a z O Z u 1 E N U a a an a CL C 7 m 0 v E +yam -1 < Z a! a a n C E a w` .--I r+ t7 ¢ ,y v Q _ V sa E a `m N x 14 l7 4 Z V f' N a. c E Q J o N 7 M L7 ¢ ry v a O N a E Q (U rl 6 1-1ro t7 ¢ N V = ° D ry 2 a J E O N ,A t7 ¢ Z Cr 2 z .o E ¢ o N ran _ ¢ M l7 ¢ 2 _.., a O 7 E O Q 2 m t7 o a z m O4 n ro a O % E Q w o, C7 > Q` z a F a O 7 E 7 ei l7 > = ? d n'1 a d 7 E IT a c% l7 6 Q z Y a +' iu a N Y Q O 7 Z •• Y c� _ a : a 6 ° Y l7 t�0 4 z .� H a u L E LA N-1 F LA a v, Q z '`-' ro 6! °' N E 0 N n a v7 YII O O N ,:� = Z V a E Ln N G a m Cc v m n c O! E ¢ o O ~ 1.9 a a c '} c IC u E O N cn > 'a LA } Z7 N i? v a E O l7 n 1 2 ,L i 3 4 5 b 7 8 L to 11 \J\ 12 pH Adjustment Log for Preserved Samples Sample ID Type of Preservative pH upon receipt Date preservation adjusted Time preservation adjusted Amount of Preservative added Lot # Note! Whenever there is a discrepancy affecting North Carolina compliance samples, a copy of tnis rorm win ce sent to the Nortn t-arotina utHNK t,ertuication unite (i.e. Out of hold, incorrect preservative, out of temp, incorrect containers. 33 of 34 m e a 0 n m ••�• -+ 00 J O ITEM cmm°3'mm a •❑• fa .. o y K a n m 3 ❑ � v 2. 0 Z on a m a - S 3 cn '° m rn m _a a 7 4 c o rn 3 Z ❑ _ ' r 1� Q m s D n T R 6 rr Z w ^J[ r x n �4PEOrna��> d � v v D o v c n A ❑ m N o m a� o a m # z m o W / yy 3 O v m �--� MATRIX CODE }sae valid Codes to left) m m W c n ❑a o SAMPLETYPE {G=GRAB C=COMP} m Q m � 1 W 9' cif QQ o A ' i.e j —Z Z D In N c Oo n m v m a rm ° M n z n z °n 3 to m m { r SAldPLE TEMP AT COLLECTION .. _p m as 3 ? c n (' f! Or CONTAINERS r v O& n Unpreserved a o o' 3 m a H2SO4 m n m v # m HNO3 f° � W V NaOH N nNa25203 m. N � Methanol 'n a m Other a .� �+ s 5 n � Analyses Test YIN 62008 VOCs m�. w Trip BLANK A � y 3 a = g n1i o 0 n s m m 11V in C EnTEMP @ Residual Chlorine [WN} m n R d 0 Received on Ice 9 d h (Y1N) { r. r _ R N (1� 0 1, n Sealed Cooler a L i,1 JI ( r o Y!N z N J' Samples Iniacl (YlN) Page 34 of 34 APPENDIX B GROUNDWATER CONCENTRATION TRENDS IN SELECTED WELLS MANN-KENDALL TOOLKIT for Constituent Trend Analysis Evaluation Date: 20-Nov-20 Job ID: 17117301-030701 Facility Name:I Former Preslar's Exxon Constituent: Benzene Conducted By: I Branson Concentration Units: u /1 Sampling Point ID:J MW-1 I MW-4 I MWA3 • • 1 5/5/15 15.0 503 88.4 2 6/16/15 5.3 733 40.8 3 8/11/15 15.7 960 171 4 11/16/15 4.0 419 15.3 5 3/1/16 1.3 159 46.9 6 1 10/17/16 0.3 287 17.9 7 3/13/2017 0.3 155 26.6 8 10/3/2017 0.3 391 63.9 9 10/8/2018 0.3 650 26 10 10/8/2019 0.3 505 25.2 11 10/14/2020 0.3 101 5.3 12 13 14 15 16 17 18 19 20 Coefficient of Variation: • • i Mann -Kendall Statistic (S): Confidence Factor: • : • ' . Concentration Trend: 1000 BMW-1 MWA 100 MW-13 C :_O 10 f6 ate+ C Q U 1 C O U 0.1 12/1 09/17 02119 Sampling Date Notes: 1. At least four independent sampling events per well are required for calculating the trend. Methodology is valid for 4 to 40 samples. 2. Confidence in Trend = Confidence (in percent) that constituent concentration is increasing (S>0) or decreasing (S<0): >95% = Increasing or Decreasing; >_ 90% = Probably Increasing or Probably Decreasing; < 90% and S>0 = No Trend; < 90%, S:50, and COV >_ 1 = No Trend; < 90% and COV < 1 = Stable. 3. Methodology based on "MAROS: A Decision Support System for Optimizing Monitoring Plans", J.J. Aziz, M. Ling, H.S. Rifai, C.J. Newell, and J.R. Gonzales, Ground Water, 41(3):355-367, 2003. DISCLAIMER: The GSI Mann -Kendall Toolkit is available "as is". Considerable care has been exercised in preparing this software product; however, no party, including without limitation GSI Environmental Inc., makes any representation or warranty regarding the accuracy, correctness, or completeness of the information contained herein, and no such party shall be liable for any direct, indirect, consequential, incidental or other damages resulting from the use of this product or the information contained herein. Information in this publication is subject to change without notice. GSI Environmental Inc., disclaims any responsibility or obligation to update the information contained herein. GSI Environmental Inc., www.gsi-netcom MANN-KENDALL TOOLKIT for Constituent Trend Analysis Evaluation Date: 20-Nov-20 Job ID: 17117301-030701 Facility Name:I Former Preslar's Exxon Constituent:1 Naphthalene Conducted By: I Branson Concentration Units: ug/I Sampling Point ID: MW4 MW-13 1 5/5/15 33.9 286 2 6/16/15 65.2 91.2 3 8/11/15 125 325 4 11/16/15 118 68.2 5 3/1/16 19.4 61.2 6 10/17/16 20.1 29.9 7 3/13/2017 27.2 17.9 8 10/3/2017 107 195 9 10/8/2018 98 120 10 10/8/2019 30.7 16.6 11 10/14/2020 3.7 22.5 12 13 14 15 16 17 18 19 20 Coefficient of Variation: Mann -Kendall Statistic (S): Confidence Factor: • : ' , Concentration Trend: tMW-4 � MW-13 vp-� 100- W I&I c�46 f Eta, O _N1 L Q 10 U C O U 1 1211 09/17 02119 Sampling Date Notes: 1. At least four independent sampling events per well are required for calculating the trend. Methodology is valid for 4 to 40 samples. 2. Confidence in Trend = Confidence (in percent) that constituent concentration is increasing (S>0) or decreasing (S<0): >95% = Increasing or Decreasing; >_ 90% = Probably Increasing or Probably Decreasing; < 90% and S>0 = No Trend; < 90%, S:50, and COV >_ 1 = No Trend; < 90% and COV < 1 = Stable. 3. Methodology based on "MAROS: A Decision Support System for Optimizing Monitoring Plans", J.J. Aziz, M. Ling, H.S. Rifai, C.J. Newell, and J.R. Gonzales, Ground Water, 41(3):355-367, 2003. DISCLAIMER: The GSI Mann -Kendall Toolkit is available "as is". Considerable care has been exercised in preparing this software product; however, no party, including without limitation GSI Environmental Inc., makes any representation or warranty regarding the accuracy, correctness, or completeness of the information contained herein, and no such party shall be liable for any direct, indirect, consequential, incidental or other damages resulting from the use of this product or the information contained herein. Information in this publication is subject to change without notice. GSI Environmental Inc., disclaims any responsibility or obligation to update the information contained herein. GSI Environmental Inc., www.gsi-netcom MANN-KENDALL TOOLKIT for Constituent Trend Analysis Evaluation Date: 20-Nov-20 Job ID: 17117301-030701 Facility Name:I Former Preslar's Exxon Constituent-.1 Sulfate Conducted By: I Branson Concentration Units: u /1 Sampling Point ID:1 WSW-11 • • 1 5/5/15 32.1 2 6/16/15 115.0 3 8/11/15 178.0 4 11/16/15 104.0 5 1 3/1/16 78.0 6 10/17/16 118.0 7 3/13/2017 8 10/3/2017 59.5 9 10/8/2018 39.0 10 10/8/2019 42.8 11 10/14/2020 38.4 12 13 14 15 16 17 18 19 20 Coefficient of Variation: • ' Mann -Kendall Statistic (S): -17 Confidence Factor: Concentration Trend: Prob. twSw-11 100 c O L 10 U C O U 1 0511 09/17 02119 06/20 Sampling Date A Notes: 1. At least four independent sampling events per well are required for calculating the trend. Methodology is valid for 4 to 40 samples. 2. Confidence in Trend = Confidence (in percent) that constituent concentration is increasing (S>0) or decreasing (S<0): >95% = Increasing or Decreasing; >_ 90% = Probably Increasing or Probably Decreasing; < 90% and S>0 = No Trend; < 90%, S:50, and COV >_ 1 = No Trend; < 90% and COV < 1 = Stable. 3. Methodology based on "MAROS: A Decision Support System for Optimizing Monitoring Plans", J.J. Aziz, M. Ling, H.S. Rifai, C.J. Newell, and J.R. Gonzales, Ground Water, 41(3):355-367, 2003. DISCLAIMER: The GSI Mann -Kendall Toolkit is available "as is". Considerable care has been exercised in preparing this software product; however, no party, including without limitation GSI Environmental Inc., makes any representation or warranty regarding the accuracy, correctness, or completeness of the information contained herein, and no such party shall be liable for any direct, indirect, consequential, incidental or other damages resulting from the use of this product or the information contained herein. Information in this publication is subject to change without notice. GSI Environmental Inc., disclaims any responsibility or obligation to update the information contained herein. GSI Environmental Inc., www.gsi-netcom 1000 100 0.1 Baseline 8/11/2015 3/1/2016 3/13/2017 DATE f Benzene f Sulfate 10/8/2018 10/14/2020 Benzene NCAC 2L Standard MW-4 1000 100 Benzene --0-- Sulfate --X-- Naphthalene Benzene NCAC 2L Standard • Naphthalene NCAC 2L Standard 0.1 Baseline 8/11/2015 3/1/2016 3/13/2017 10/8/2018 10/14/2020 DATE 1000 100 1 0.1 MW-13 Full Scale Injection Baseline 8/11/2015 3/1/2016 3/13/2017 10/8/2018 DATE t Benzene t Sulfate ---X— Naphthalene 10/ 14/2020 Benzene NCAC 2L Standard • Naphthalene NCAC 2L Standard Beverly, Trudy From: Beverly, Trudy Sent: Tuesday, December 15, 2020 11:00 AM To: Mike Branson Cc: Box, Gordon H; Caldwell, Ethan J Subject: RE: [External] R-0615B - Preslar's Exxon - Incident 13543 Received. Trudy Trudy Beverly, L.G. D-�IE Hydrogeologist, Division of Waste Management North Carolina Department of Environmental Quality IFepnrlren[ol Gma'nn mental4w UST Section, Mooresville Regional Office 704.235.2182 (Office) Trudy. B everlyAncdenn gov Email correspondence to and from this address is subject to the North Carolina Public Records Law and may be disclosed to third parties. Office Mailing Address: 610 East Center Avenue, Suite 301 Mooresville, NC 28115 Branch's Underground Storage Tanks Website Address: https://deg.nc.gov/about/divisions/waste-management/ust Branch's Above Ground Storage Tanks Website Address: hit2s://deq.nc.gov/about/divisions/waste-management/ust/ast-program INTERACTIVE MAPS WITH DWM SITES AND PERMITTED FACILITIES: httns://dea.nc. gov/about/divisions/waste-management/waste-management-rules-data/waste-management-gis-mans File Review Procedures: hops://deq.ne. gov/about/divisions/waste-management/ust/file-review-procedures#mooresville-regional-office ONLINE ACCESS TO UST SECTION DOCUMENTS (Laserfiche): fts://deq.nc.gov/about/divisions/waste-manaizement/laserfiche Document Submittal & UST File Names for Laserfiche Policies: htti)s:Hfiles.ne.izov/nedeafWaste%2OManasement/DWM/UST[WhatsNew/Final-Electronic-Document-Submittal-Policv.l)df https:Hfiles.nc.gov/ncdeq/Waste%20Management/D WM/UST/Corrective%2OAction/UST%2Ofilc%20names%20for%2OLaserfiche.docx From: Mike Branson [mailto:mbranson@daa.com] Sent: Tuesday, December 15, 2020 10:55 AM To: Beverly, Trudy <trudy.beverly@ncdenr.gov> Cc: Box, Gordon H <ghbox@ncdot.gov>; Caldwell, Ethan J <ejcaldwell@ncdot.gov> Subject: RE: [External] R-0615B - Preslar's Exxon - Incident 13543 CAUTION: External email. Do not click links or open attachments unless you verify. Send all suspicious email as an attachment to Report Spam. Good morning Trudy, Attached for your convenience is the Annual Monitoring Report for the Preslar's Exxon site (Incident 13543) in Midland, NC. The document has also been uploaded to the Laserfiche folder for Mooresville. Thank you. Michael W. Branson, P.G. Senior Project Manager Draper Aden Associates Engineering • Surveying • Environmental Services Lasting Positive Impacts Phone: 919.582.7283 • Mobile 919.602.8386 Web • Bloa • Facebook • Twitter • Linkedln From: Beverly, Trudy <trudy.beverly@ncdenr.gov> Sent: Monday, December 14, 2020 3:31 PM To: Mike Branson <mbranson@daa.com> Cc: Box, Gordon H <ghbox@ncdot.gov>; Caldwell, Ethan J <eicaldwell@ncdot.gov> Subject: RE: [External] R-0615B - Preslar's Exxon - Incident 13543 IATTENTION: Email sent from outside DAA. Hey Mike, Paper copies are no longer required unless the project manager requests it. There is no need to mail me a paper copy. We transitioned to electronic submittals in March of this year. You can email me a pdf of the complete, signed/stamped report by the due date. The file can be loaded to FileZilla if it is too large to submit by email. I'll forward you the email that Scott Ryals sent out to consultants and UST staff in March about the electronic submittal/FileZilla changes. Trudy Trudy Beverly, L.G. Hydrogeologist, Division of Waste Management North Carolina Department of Environmental Quality a anraMnen' mLY� UST Section, Mooresville Regional Office liepa rinwn 704.235.2182 (Office) Trudy.BeverlyL&ncdenr.gov Email correspondence to and from this address is subject to the North Carolina Public Records Law and may be disclosed to third parties. Office Mailing Address: 610 East Center Avenue, Suite 301 Mooresville, NC 28115 Branch's Underground Storage Tanks Website Address: https:Hdeq.nc.gov/about/divisions/waste-management/ust Branch's Above Ground Storage Tanks Website Address: https://deq.nc.gov/about/divisions/waste-management/ust/ast-program INTERACTIVE MAPS WITH DWM SITES AND PERMITTED FACILITIES: hops://deq.nc. gov/about/divisions/waste-management/waste-management-rules-data/waste-management-gis-maps File Review Procedures: https://deq.no gov/about divisions/waste-management ust/file-review-procedures#mooresville-regional-office ONLINE ACCESS TO UST SECTION DOCUMENTS (Laserfiche): https://deq.nc.gov/about/divisions/waste-management/laserfiche Document Submittal & UST File Names for Laserfiche Policies: https:Hfiles.nc.gov/ncdeci/W aste%2OMana2ement/DWM/UST/WhatsNew/Final-Electronic-Document-Submittal-Policv.pdf https://files.nc. gov/ncdeq/Waste%2OManagement/DWM/UST/Corrective%2OAction/UST%20file%20names%20for%2OLaserfiche.docx From: Mike Branson [mailto:mbranson@daa.com] Sent: Monday, December 14, 2020 3:06 PM To: Beverly, Trudy <trudy.beverly@ncdenr.gov> Cc: Box, Gordon H <ghbox@ncdot.gov>; Caldwell, Ethan J <eicaldwell@ncdot.gov> Subject: [External] R-0615B - Preslar's Exxon - Incident 13543 CAUTION: External email. Do not click links or open attachments unless you verify. Send all suspicious email as an attachment to Report Spam. Good afternoon Trudy, Draper Aden Associates is preparing the monitoring report for the Preslar's Exxon (Incident 13543) site in Midland, NC. Since we do not have a lot of Trust Fund sites, has the procedure for submitting the report been affected by the pandemic? Are we still submitting paper copies as well as electronic? Just want to make sure so we don't cause confusion. Michael W. Branson, P.G. Senior Project Manager Draper Aden Associates Engineering • Surveying • Environmental Services Lasting Positive ImpactO Phone: 919.582.7283 • Mobile 919.602.8386 Web • Bloa • Facebook • Twitter • Linkedln