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HomeMy WebLinkAboutRA-3818_23182_CA_MRP_20191220Groundwater Monitoring Report Western Boulevard Exxon Incident #23182 5201 Western Boulevard Raleigh, Wake County, North Carolina ATC Project No. SLP2318204 December 20, 2019 TABLE OF CONTENTS 1. SITE IDENTIFICATION .........................................................................................1 2.0 EXECUTIVE SUMMARY .....................................................................................2 3.0 SITE DESCRIPTION .............................................................................................3 3.1 Site Characterization ................................................................................3 3.2 Site Background .......................................................................................4 4.0 GROUNDWATER CHARACTERIZATION.......................................................8 4.1 Groundwater Levels .................................................................................8 4.2 Groundwater Quality ...............................................................................8 4.3 Water Supply Wells .................................................................................10 4.4 Well Installation .......................................................................................10 5.0 CONCLUSIONS ......................................................................................................11 TABLES Table 1 Water Supply Well Information Table 2 Well Construction and Groundwater Elevation Data Table 3 Groundwater Analytical Results Table 4 Historical Groundwater Analytical Results Table 5 Natural Attenuation Parameters Table 6 Historical Water Supply Well Analytical Results FIGURES Figure 1 Site Topographic Map Figure 2 Site Map Figure 3 Potential Receptor Map Figure 4 Groundwater Elevation Contour Map Figure 5 Dissolved Benzene Isoconcentration Contour Map Figure 6 Constituents of Concern Summary Map APPENDICES Appendix A Field Notes Appendix B Laboratory Analytical Results Appendix C Well Construction Details and Boring Log Groundwater Monitoring Report December 20, 2019 Western Boulevard Exxon (Incident #23182) ATC Project No. SLP2318204 2 2.0 EXECUTIVE SUMMARY ATC Associates of North Carolina, P.C. (ATC) has completed a Groundwater Monitoring Report (GMR) for the Western Boulevard Exxon site. This report documents a groundwater sampling event conducted at the site on September 30, 2019. The GMR is being performed based on an September 3, 2019, Task Authorization (TA-4) by the Trust Fund Branch of the Underground Storage Tank (UST) Section, Division of Waste Management, North Carolina Department of Environmental Quality (NCDEQ). The work is being performed as part of the State Lead Contract #N17004 between NCDEQ and ATC. The Western Boulevard Exxon site is located at 5201 Western Boulevard in Raleigh, Wake County, North Carolina. The site is currently developed with a single story commercial building which is used for automobile repair and maintenance. Thirteen monitoring wells (MW-1, MW-2, MW-3, MW-4R, MW-7, MW-12, MW-12R, MW-13, MW-14, MW-17, FBW- 1, and FBW-2) have been previously identified at, or adjacent to, the site. Eighteen water supply wells are located within 1,500 feet of the site. Of these wells, there were only two active wells; WSW-4 was an active water supply well approximately 450 feet west of the site, and WSW-7 is used for irrigation purposes only and is located approximately 530 feet west of the site. However, the property containing WSW-4 is currently being redeveloped and the water supply well could not be located during recent field activities. The water supply well is assumed to be abandoned. Since WSW-4 is assumed abandoned, the site risk can be lowered to intermediate and the cleanup goals for groundwater should be the Gross Contamination Levels (GCLs). On September 30, 2019, ATC personnel mobilized to the site to collect groundwater samples from monitoring wells MW-1, MW-2, MW-3, MW-4R, MW-6R, MW-7, MW-12, MW-12R, MW-13, MW-14, MW-17, FBW-1, and FBW-2. Light Non-Aqueous Phase Liquid (LNAPL) was identified in monitoring well MW-7 at a thickness of 0.20 feet. Groundwater Monitoring Report December 20, 2019 Western Boulevard Exxon (Incident #23182) ATC Project No. SLP2318204 3 The laboratory analytical results indicated the presence of compounds at concentrations above 2L Standards in monitoring wells MW-1, MW-2, MW-3, MW-4R, MW-12R, MW-13, MW- 17, and FBW-1. The benzene concentration detected in MW-3 (8,640 micrograms per liter - µg/L) exceeds the corresponding GCL. An air sparge well (AS-1) was installed on site on October 10, 2019 in order to address the presence of LNAPL and GCL exceedances identified at the site. ATC recommends performing enhanced air sparge and AFVR events utilizing AS-1 and extracting from MW-1, MW-3 and MW-7 in an effort to reduce the VOC concentrations and LNAPL. 3.0 SITE DESCRIPTION 3.1 Site Characterization The former Western Boulevard Exxon is located at 5201 Western Boulevard in Raleigh, North Carolina. Currently, the site is developed with Cox Car Care, a single story commercial building that is used for automobile repairs and maintenance. The UST system formerly used at the site consisted of three 3,000-gallon gasoline USTs and one 6,000-gallon gasoline UST. The 3,000-gallon USTs were installed on September 25, 1975, and the 6,000-gallon UST was installed on July 10, 1985. The UST system was permanently removed from the site in August and September 2009. The site is bounded by a Farm Bureau office to the west and by a vacant lot to the south. To the east, across Powell Drive, is a BP Service Station. To the north, across Western Boulevard, is Party Beverage. Note that Party Beverage is associated with a separate incident (Incident #20773). Surrounding properties are characterized by residential and commercial use. Municipal water is available to the site and the site vicinity. One water supply well, WSW-4, was located at 5301 Western Boulevard and previously used as a drinking water source. The property is currently being redeveloped and WSW-4 could not be located, the well is assumed to have been abandoned. Additionally, one active irrigation well (WSW-7) is located approximately 530 feet Groundwater Monitoring Report December 20, 2019 Western Boulevard Exxon (Incident #23182) ATC Project No. SLP2318204 4 west of the site. Water supply well ownership information is included in Table 1. A site topographic map is included as Figure 1 and a site map depicting monitoring well locations and other pertinent site features is included as Figure 2. A Potential Receptor Map showing water supply well locations is included as Figure 3. 3.2 Site Background On June 28, 1985, one 6,000-gallon gasoline UST was installed at the site and filled with approximately 5,800-gallons of gasoline on July 1, 1985. On July 4, 1985, after only 800 gallons of the product had been pumped out of the tank for retail purposes, it was discovered the tank was empty. An additional 50 gallons of product was added to the UST in order to determine if the leak was in the UST. When the product was no longer in the tank when checked, it was determined the leak was present in the tank itself. The UST was removed on July 10, 1985. After removal, it was revealed that a weld on the end of the tank had separated, causing the leak. Following tank removal, a replacement UST was installed the same day. It should be noted that impacted soil was allowed to air dry for one day and then was used for backfill around the UST. As part of recovery and monitoring activities, monitoring wells MW-1 through MW-13 were installed at the site. In addition, a temporary product recovery pumping system was installed at the site to abate free product. A Gasoline Recovery Project Report was submitted on October 7, 1995, documenting the recovery activities. Based on an August 2002 Site Assessment Report, no additional product recovery activities were performed at the site since 1985. A Comprehensive Site Assessment (CSA) was conducted at the site and suggested the site plume had comingled with the Party Beverage incident located adjacent and north of the site. In addition, six water supply wells were identified within 1,000 feet of the site, five of which were inactive and one which was used for irrigation purposes. A sample collected from the onsite water supply well, WSW-1, indicated benzene at concentrations above 2L Standards. Groundwater Monitoring Report December 20, 2019 Western Boulevard Exxon (Incident #23182) ATC Project No. SLP2318204 5 A Monitoring Well Installation and Groundwater Monitoring Report was submitted in August 2003. The report documents the installation of monitoring wells MW-14 and MW-15. A sample collected from water supply well WSW-1 indicated benzene at a concentration above 2L Standards. In addition, it was reported that monitoring well MW-6 was destroyed. The report also notes the presence of a groundwater recovery system present at the site. Mobile multi-phase extraction (MMPE) events and associated groundwater sampling events were performed at the site between April 2003 and May 2008 in order to reduce free product levels at the site and monitor groundwater concentrations. In addition, the installation of monitoring well MW-6R was documented in the seventh MMPE Event report dated May 28, 2008. Monitoring wells associated with the Farm Bureau site located adjacent and west of the site (FBW-1 and FBW-2) were used to monitor the groundwater plume associated with the site beginning in March 2004. The on-site water supply well, WSW-1, was abandoned on December 8 and 9, 2004. The abandonment is documented in a Groundwater Monitoring Report and Water Supply Well Abandonment Report submitted in January 2005. The installation of monitoring wells MW-16 and MW-17 is documented in a Monitoring Well Installation and Groundwater Monitoring Report submitted in May 2005. A receptor survey was performed at the site in July 2006. Several water supply wells were previously identified within 1,500 ft of the site. Of these wells, only one was used for potable purposes (WSW-4) and was located approximately 555 feet west of the site, and one irrigation well (WSW-7) was also identified approximately 680 feet west of the site. In August 2009, three 3,000-gallon gasoline USTs and one 6,000-gallon gasoline UST were removed from the site. During UST closure, approximately 94.9 tons of impacted soil were removed from the site. Samples collected from beneath the USTs indicated concentrations of total petroleum hydrocarbons (TPH) gasoline range organic (GRO) at levels exceeding Groundwater Monitoring Report December 20, 2019 Western Boulevard Exxon (Incident #23182) ATC Project No. SLP2318204 6 NCDEQ Action Levels and Soil-to-Groundwater Maximum Soil Contaminant Concentrations (MSCCs). Based on the closure report, impacted soil remains at the site. It should be noted that during closure, monitoring wells MW-5, MW-8, MW-9, MW-10, and MW-11 were damaged or destroyed during the closure activities. A UST Closure Report was submitted on October 2, 2009. On March 29, 2013, an Additional Assessment Report was submitted to NCDEQ that documented the following: installation of replacement wells MW-4R and MW-12R; the abandonment of MW-4 and MW-12; the results of a soil gas sampling event; and water supply well sampling results for WSW-4 indicating the presence of styrene and trichloroethene at concentrations below 2L Standards. On October 29, 2014, ATC submitted a sampling report documenting the September 2014 groundwater sampling activities. During the sampling event, ATC identified what is believed to be MW-12. The well was identified due to the similarities between the well onsite and the information provided regarding MW-12 (i.e. both are stick-ups, have similar depths, and are in the same location). ATC recommend performing an update receptor survey and AFVR events to reduce free product in MW-3 and MW-7. Subsequent AFVR events were performed on MW-3 and MW-7 in December 2014, January 2015, October 2015, and December 2015, in order to remove existing free product. At the conclusion of the AFVR event in October 2015, O-SOXs were installed into MW-1, MW-3, and MW-7 in order to aid in natural attenuation of the dissolved constituents in the local groundwater. In January 2015, ATC personnel conducted an updated receptor survey for the surrounding area. ATC identified eighteen water supply wells within 1,500 feet of the site. One active potable well (WSW-4) was identified approximately 450 feet west of the site, and one active irrigation well (WSW-7) was also identified approximately 530 feet west of the site. Groundwater Monitoring Report December 20, 2019 Western Boulevard Exxon (Incident #23182) ATC Project No. SLP2318204 7 On May 2, 2016, ATC submitted a sampling report documenting the January 2016 groundwater sampling activities. ATC recommend continued AFVR events to reduce free product in MW-3 and MW-7 and the replacement of the O-SOXs. Due to the continued high contaminant concentrations in monitoring wells MW-1, MW-3 and MW-7, ATC conducted an AFVR event on MW-1, MW-3 and MW-7 on June 10, 2017. This event recovered 749 gallons of petroleum impacted groundwater and 4.79 gallons of petroleum impacted vapor. The AFVR event was documented in a July 1, 2016 Letter Report. On August 5, 2016, ATC installed O-SOXs in MW-2, MW-4R, MW-12R, and MW-13. During the O-SOX installation, ATC personnel were able to locate FBW-2 and MW-17 with a metal detector. A Groundwater Monitoring Report documenting the August 25, 2016 groundwater sampling event was submitted to the NCDEQ on November 8, 2016. The laboratory analytical results indicated the presence of compounds at concentrations above 2L Standards in monitoring wells MW-1, MW-2, MW-3, MW-4R, MW-6R, MW-7, MW-12R, MW-13, MW-17, and FBW-1. A Groundwater Monitoring Report documenting the September 20, 2017 AFVR event and the October 19, 2017 groundwater sampling event was submitted to the NCDEQ on December 8, 2017. Monitoring well MW-3 was used as the extraction point for the event. The AFVR event generated approximately 865 gallons of petroleum impacted groundwater. Based on calculated recovery volumes for the AFVR event, an estimated 7.45 gallons (46.55 pounds) of petroleum were recovered as vapors. The laboratory analytical results indicated the presence of compounds at concentrations above 2L Standards in monitoring wells MW-1, MW-2, MW-3, MW-4R, MW-6R, MW-7, MW-12R, MW-13, MW-17, and FBW-1. Benzene and MTBE concentrations detected in MW-3 exceeded their respective GCL standards of 5,000 µg/L and 20,000 µg/L. Benzene was also detected in MW-7 exceeding the GCL standard. Laboratory analysis detect trichloroethylene and chloroform above the laboratory detection limits, but below their respective 2L Standards in WSW-4. Groundwater Monitoring Report December 20, 2019 Western Boulevard Exxon (Incident #23182) ATC Project No. SLP2318204 8 A Groundwater Monitoring Report documenting the November 28, 2018 groundwater sampling event was submitted to the NCDEQ on February, 2019. The laboratory analytical results indicated the presence of compounds at concentrations above 2L Standards in monitoring wells MW-1, MW-2, MW-3, MW-4R, MW-12R, MW-13, MW-17, and FBW-1. Benzene and MTBE concentrations detected in MW-3 exceeded their corresponding GCL standards. 4.0 GROUNDWATER CHARACTERIZATION ATC personnel conducted a groundwater sampling event at the site on September 30, 2019. During the sampling event, ATC personnel gauged each well for the presence of LNAPL, collected groundwater samples from the on-site and off-site monitoring wells, as well as one off-site water supply well. 4.1 Groundwater Levels Groundwater level measurements were collected from monitoring wells MW-1, MW-2, MW-3, MW-4R, MW-6R, MW-7, MW-12, MW-12R, MW-13, MW-14, MW-17, FBW-1 and FBW-2 on September 30, 2019. LNAPL was identified in monitoring well MW-7 at a thickness of 0.20 feet. A groundwater elevation contour map generated using the groundwater elevation data recorded on September 30, 2019 is included as Figure 4. Monitoring well construction details and current and historical groundwater elevation data are summarized in Table 2. Field notes from the November 2018 site visit are included in Appendix A. 4.2 Groundwater Quality Historically at the site, monitoring wells MW-1, MW-2, MW-3, MW-4, MW-5, MW-7, MW-8, MW-9, and MW-10 have indicated the highest concentrations of petroleum hydrocarbon Groundwater Monitoring Report December 20, 2019 Western Boulevard Exxon (Incident #23182) ATC Project No. SLP2318204 9 compounds at the site. In addition, LNAPL has been historically detected in monitoring wells MW-3 and MW-7. During this reporting period, LNAPL was identified in monitoring well MW- 7 at a thickness of 0.20 feet. On September 30, 2019, groundwater samples were collected from monitoring wells MW-1, MW-2, MW-3, MW-4R, MW-12, MW-12R, MW-13, MW-14, MW-17, FBW-1 and FBW-2. Each monitoring well was purged three well volumes prior to sample collection. Samples were collected in laboratory-approved containers, packed in ice and delivered under chain-of-custody protocol to SGS North America Inc. (SGS) in Scott, Louisiana for analyses. Groundwater samples were analyzed for volatile organic compounds (VOCs) by Environmental Protection Agency (EPA) Method 6200B. The laboratory analytical results indicated the presence of compounds at concentrations above 2L Standards in monitoring wells MW-1, MW-2, MW-3, MW-4R, MW-12R, MW-13, MW-17, and FBW-1. Monitoring well MW-3 contained benzene (8,640 µg/L) exceeding the GCLs. Petroleum constituents were not detected in monitoring wells MW-12, MW-14, and FBW-2 exceeding their respective 2L Standards. Current groundwater analytical data are summarized in Table 3 and historical groundwater analytical data is summarized in Table 4. Natural attenuation parameters are included in Table 5. The laboratory analytical report and chain-of- custody forms are included in Appendix B. A dissolved benzene isoconcentration contour map is included as Figure 5 and a constituents of concern summary map is included as Figure 6. A comparison of the current groundwater analytical results (September 2019) to the previous sampling event (November 2018), showed increases in constituent concentrations in MW-1, MW-12R, MW-13, MW-17, and FBW-1, and decreases in MW-2, MW-3 and MW-4R. 0.24 feet of LNAPL was identified during the November 2018 sampling event in MW-7. LNAPL thickness decreased to 0.20 feet in MW-7 during the September 2019 sampling event. As part of ATC’s quality assurance and quality control (QA and QC) measures, a data review of the laboratory report was conducted. During the review, it was concluded that samples were Groundwater Monitoring Report December 20, 2019 Western Boulevard Exxon (Incident #23182) ATC Project No. SLP2318204 10 received by the laboratory in acceptable condition and properly preserved. The samples were analyzed within the correct holding times, and the chain of custody was properly completed by all parties. The laboratory QC report shows an internal blank was analyzed for each method that was used for the original samples. The laboratory fortified blank (LFB) and laboratory control sample (LCS) data results were also provided for each analytical method. Refer to the laboratory report in Appendix B for details regarding QA results for the laboratory samples and any noted exceptions. Overall, ATC concludes that the laboratory results are usable and any exceptions do not significantly impact the conclusions presented in this report. 4.3 Water Supply Wells Eighteen water supply wells are located within 1,500 feet of the site. Of these wells, there were only two active wells; WSW-4 was an active water supply well approximately 450 feet west of the site, and WSW-7 is used for irrigation purposes only and is located approximately 530 feet west of the site. However, the property containing WSW-4 is currently being redeveloped and the water supply well could not be located during field activities. WSW-4 is assumed to be abandoned. Historical water supply well analytical data is summarized in Table 6 and the water supply well locations are depicted on Figure 3. 4.4 Well Installation On October 10, 2019 ATC supervised the installation of air sparge well AS-1. The purpose for the installation of AS-1 is to conduct enhanced air sparge events to volatilize the petroleum compounds in the subsurface for removal by concurrent AFVR activities. The air sparge event also increases the oxygen levels in the groundwater, which can then enhance aerobic degradation of the petroleum compounds. Geologic Exploration (GEX), a North Carolina- licensed drilling contractor, installed AS-1 using hollow stem auger to a total depth of 40 feet bgs with a screen interval of 35 to 40 feet bgs. Soil encountered during the drilling consisted mostly of silt. Field notes from the event are included as Appendix B. Well construction details and a soil boring log are included in Appendix C. Groundwater Monitoring Report December 20, 2019 Western Boulevard Exxon (Incident #23182) ATC Project No. SLP2318204 11 5.0 CONCLUSIONS On September 30, 2019, ATC personnel conducted a groundwater sampling event at the site. During the September 30, 2019 sampling event, groundwater samples were collected from twelve monitoring wells. During this reporting period, LNAPL was identified in monitoring well MW-7 at a thickness of 0.20 feet. Laboratory analysis indicates VOC impact, including petroleum constituents, in monitoring wells MW-1, MW-2, MW-3, MW-4R, MW-12R, MW- 13, MW-17, and FBW-1 above the 2L Standards. The benzene concentration detected in MW- 3 exceeded the GCL standard. A comparison of the current groundwater analytical results (September 2019) to the previous sampling event (November 2018), showed increases in constituent concentrations in MW-1, MW-12R, MW-13, MW-17, and FBW-1, and decreases in MW-2, MW-3 and MW-4R. Based on the redevelopment activities on the property with WSW- 4, the site risk can lowered to intermediate and the cleanup goals for groundwater should be the GCLs. ATC recommends performing enhanced air sparge and AFVR events utilizing AS-1 and extracting from MW-1, MW-3 and MW-7 in an effort to reduce the VOC concentrations and LNAPL. The air sparge event also increases the oxygen levels in the groundwater, which can then enhance aerobic degradation of the petroleum compounds. TABLES TABLE 1 WATER SUPPLY WELL INFORMATION WESTERN BOULEVARD EXXON 5201 WESTERN BOULEVARD RALEIGH, WAKE COUNTY, NORTH CAROLINA INCIDENT #23182 Well ID Parcel ID Property Owner(s)*Property Address Owner Address Connected to Municipal Water** Usage WSW Access Received*** Distance from Source (feet) Up or Downgradient WSW-2 0784500784 Douglas H Nowell 522 Powell Dr.522 Powell Dr Raleigh, NC 27606 Yes Inactive, but may be used for Irrigation in the future Yes 475 Downgradient WSW-4 Assumed to be abandoned WSW-5 Inactive WSW-8 0784402971 Jamie and Brian Mountain 510 Grove Ave 313 Sherwee Drive Raleigh, NC 27603-3521 Yes Inactive 850 Crossgradient WSW-9 0784513078 W&J Leasing Company Inc 517 Powell Dr 9000 Creedmoor Rd Raleigh, NC 27615-1416 Yes Inactive Yes 200 Downgradient WSW-10 0784501616 Antonin Sneberg 526 Powell Dr 526 Powell Dr Raleigh, NC 27606-1622 Yes Inactive 550 Downgradient WSW-11 0784611458 James S. Falkenbury Amanda M. Styron 101 Pineland Circle 101 Pineland Circle Raleigh, NC 27606-1312 Yes Property has been redeveloped - may no longer be present 1,050 Crossgradient WSW-12 0784405667 David Clyde Hearn 524 Heather Dr.311 Deerfield Rd Apex, NC 27523-7375 Yes Inactive 750 Crossgradient WSW-13 0784416766 JC Edwards Residential Contractors, Inc.401 Carolina Ave.809 Mount Vernon Road Raleigh, NC 27607-5246 Yes Inactive Yes 800 Upgradient WSW-14 0784416919 Edna Broughton 310 Carolina Ave.310 Carolina Ave, Apt B Raleigh, NC 27606-1306 Yes Inactive, but may be used for Irrigation in the future Yes 950 Upgradient WSW-15 0784428121 Michael Christopher Miklos 304 Carolina Ave.304 Carolina Avenue Raleigh, NC 27606-1306 Yes Inactive Yes 950 Upgradient WSW-16 0784510445 Joyce W. Byrd Trustee Dianne W. Bostrom Trustee 5204 Western Blvd 214 Annandale Drive Cary, NC 27511-6504 Yes, as stated by the Owner Inactive. Owner stated the well was "Capped Off".375 Upgradient WSW-17 0784507134 Carl P. Ray 611 Powell Drive 613 Powell Drive Raleigh NC 27606-1623 Unknown Inactive 1,110 Downgradient WSW-18 0784503028 Carl P. and Doris H. Ray 613 Powell Drive 613 Powell Drive Raleigh NC 27606-1623 Unknown Inactive 1,235 Downgradient * Ownership information obtained from the Wake County Online GIS Database, updated January 22, 2019. ** Municipal water connection status information provided by the City of Raleigh Public Utilities Department (919-996-4540). *** WSW survey and access forms were emailed to each property owner, requesting well use information and requesting permission to sample well if needed. 409 Carolina Avenue P.O. Box 30653 Raleigh, NC 27622 Not Applicable Downgradient Crossgradient Upgradient Crossgradient Site 400 Heather L. Luden 450 710 5305307 Western Boulevard 7900 Niblick Court Fuquay-Varina, NC 27526-9007 511 Heather Drive Raleigh, NC 27606 51 Kilmayne Drive, Suite 100 Cary, NC 27511 409 Carolina Avenue Raleigh, NC 27606 Inactive WSW-3 0784408797 Clayton E. and Betty G. Robinson No 5201 Western Boulevard WSW-7 0784415151 Edwin E. Andrews, III WSW-6 0784414602 Yes Yes Yes Yes Yes Irrigation WSW-1 0784511125 Cox Business Adventures LLC Abandoned Inactive 0784416801 511 Heather Drive 5301 Western BoulevardA Squared LLC Yes TABLE 2 WELL CONSTRUCTION AND GROUNDWATER ELEVATION DATA WESTERN BOULEVARD EXXON 5201 WESTERN BOULEVARD RALEIGH, WAKE COUNTY, NORTH CAROLINA INCIDENT #23182 Well ID Date Installed Screened Interval (feet) Depth of Well (feet) Well diameter (inches) TOC Elev. (feet) Date Measured Depth to Water (feet) Depth to LNAPL (feet) LNAPL Thickness (feet) Groundwater Elevation 7/18/1985 NR NR NR 76.61 7/26/2685 NR NR NR 75.96 8/8/85 NR NR NR 75.76 8/31/85 NR NR NR 75.11 7/16/02 24.40 ----74.20 7/17/03 18.96 ----79.64 3/11/04 20.57 ----78.03 11/30/04 20.97 ----77.63 4/5/06 23.42 ----75.18 11/8/06 24.46 ----74.14 5/13/08 24.89 ----75.30 11/11/09 24.67 ----75.52 7/21/11 24.50 ----75.69 2/27/13 25.36 ----74.83 9/4/13 NM NM NM NM 9/11/14 22.78 ----79.79 3/7/15 22.20 ----80.37 6/14/15 20.43 ----82.14 10/13/15 22.55 ----80.02 10/14/15 23.10 ----79.47 1/21/16 22.35 ----80.22 8/25/16 19.75 ----82.82 10/6/16 21.78 ----80.79 10/19/17 26.02 ----76.55 11/28/18 24.31 ----78.26 9/30/19 22.08 ----80.49 7/18/1985 NR NR NR 75.94 7/26/1985 NR NR NR 75.83 8/8/85 NR NR NR 75.53 8/31/85 NR NR NR 74.74 7/16/02 24.59 ----73.69 7/17/03 18.67 ----79.61 3/11/04 20.31 ----77.97 11/30/04 20.86 ----77.42 4/5/06 22.75 ----75.53 11/8/06 24.57 ----73.71 5/13/08 24.52 ----75.25 11/11/09 24.47 ----75.30 7/21/11 24.40 ----75.37 2/27/13 25.06 ----74.71 9/4/13 22.98 ----76.79 9/11/14 22.66 ----79.45 3/7/15 23.10 ----79.01 6/14/15 19.99 ----82.12 1/21/16 20.30 ----81.81 8/25/16 20.08 ----82.03 10/6/16 20.83 ----81.28 10/19/17 24.22 ----77.89 11/28/18 23.76 ----78.35 9/30/19 22.04 ----80.07 Notes: 99.91 99.04 98.60 1. NM = Not Measured 2. NS = Not Surveyed 3. TOC = Top of casing. 4 -- = Not Detected 100.19 98.28 99.77 MW-1 7/10/85 5. NR = Not documented in historical reports 6. TOC Elevations were re-surveyed on 9/11/14. Monitoring well FBW-1 is the site benchmark at 100.00 feet. 8. For monitoring wells with LNAPL, groundwater elevation calculated by the following equation: GW Elev.= TOC Elev.-DTW+(0.8581*LNAPL Thickness) 7. LNAPL = Light Non-Aqueous Phase Liquid. 20-30 39.54 4 102.57 MW-2 7/16/85 14-29.5 29.51 2 102.11 TABLE 2 WELL CONSTRUCTION AND GROUNDWATER ELEVATION DATA WESTERN BOULEVARD EXXON 5201 WESTERN BOULEVARD RALEIGH, WAKE COUNTY, NORTH CAROLINA INCIDENT #23182 Well ID Date Installed Screened Interval (feet) Depth of Well (feet) Well diameter (inches) TOC Elev. (feet) Date Measured Depth to Water (feet) Depth to LNAPL (feet) LNAPL Thickness (feet) Groundwater Elevation 7/18/85 NR NR NR 76.30 7/26/85 NR NR NR 76.11 8/8/85 NR NR NR 75.79 8/22/88 NR NR NR 75.47 8/31/85 NR NR NR 75.23 7/16/14 FP FP FP FP 7/13/03 18.74 ----79.78 3/11/04 20.40 ----78.12 4/5/06 22.85 ----75.67 11/8/06 24.74 24.57 0.17 73.93 5/13/08 All Product 23.64 2.61 NM 11/12/09 26.00 24.10 1.90 75.71 7/21/11 25.74 23.98 1.76 75.85 2/28/13 26.15 24.11 2.04 75.68 9/4/13 22.58 ----77.50 9/11/14 25.41 22.31 3.10 79.13 12/12/14 25.08 22.85 2.23 78.71 1/14/15 26.96 22.52 4.44 78.73 3/7/15 21.35 ----80.53 6/14/15 19.61 ----82.27 10/13/15 21.80 ----80.08 10/14/15 22.10 ----79.78 1/21/16 20.66 ----81.22 8/25/16 20.25 ----81.63 10/6/16 20.22 ----81.66 10/19/17 24.00 ----77.88 11/28/18 22.74 ----79.14 9/30/19 21.42 ----80.46 7/18/85 DRY DRY DRY DRY 7/26/85 DRY DRY DRY DRY 8/8/85 DRY DRY DRY DRY 8/22/88 DRY DRY DRY DRY 8/31/85 DRY DRY DRY DRY 7/16/02 DRY DRY DRY DRY 7/17/03 18.95 ----NM 3/11/04 DRY DRY DRY DRY 11/30/04 DRY DRY DRY DRY 4/5/06 DRY DRY DRY DRY Notes: MW-4 8. For monitoring wells with LNAPL, groundwater elevation calculated by the following equation: GW Elev.= TOC Elev.-DTW+(0.8581*LNAPL Thickness) 19.5 99.60 7/17/85 1. NM = Not Measured 10-20 99.23 3. TOC = Top of casing. 4 -- = Not Detected 5. NR = Not documented in historical reports Unknown 2. NS = Not Surveyed Well abandoned on 2/28/13 6. TOC Elevations were re-surveyed on 9/11/14. Monitoring well FBW-1 is the site benchmark at 100.00 feet. NS 98.52 7. LNAPL = Light Non-Aqueous Phase Liquid. MW-3 7/17/85 20-30 26.25 2 101.88 100.08 TABLE 2 WELL CONSTRUCTION AND GROUNDWATER ELEVATION DATA WESTERN BOULEVARD EXXON 5201 WESTERN BOULEVARD RALEIGH, WAKE COUNTY, NORTH CAROLINA INCIDENT #23182 Well ID Date Installed Screened Interval (feet) Depth of Well (feet) Well diameter (inches) TOC Elev. (feet) Date Measured Depth to Water (feet) Depth to LNAPL (feet) LNAPL Thickness (feet) Groundwater Elevation 2/28/13 26.04 ----74.45 9/4/13 23.59 ----76.90 9/11/14 23.12 ----79.77 3/7/15 22.50 ----80.39 6/14/15 20.73 ----82.16 1/21/16 21.20 ----81.69 8/25/16 20.49 ----82.40 10/6/16 NM ----NM 10/19/17 24.58 ----78.31 11/28/18 23.78 ----79.11 9/30/19 22.35 ----80.54 99.37 7/18/85 NR NR NR 77.87 7/16/02 NM ----NM 7/13/03 18.77 ----79.73 3/11/04 20.39 ----78.11 11/30/04 20.75 ----77.75 11/6/06 24.21 ----74.29 5/13/08 DRY DRY DRY DRY 7/26/85 NR NR NR 76.04 8/8/85 NR NR NR 75.75 8/22/85 NR NR NR 75.43 8/31/85 NR NR NR 75.35 5/13/08 23.73 ----75.40 11/11/09 23.56 ----75.57 7/21/11 23.39 ----75.74 2/28/13 24.15 ----74.98 9/4/13 22.05 ----77.08 9/11/14 21.38 ----80.22 3/7/15 20.98 ----80.62 6/14/15 19.20 ----82.40 1/21/16 19.34 ----82.26 8/25/16 18.71 ----82.89 10/6/16 19.73 ----81.87 9/30/19 21.01 ----80.59 Notes: MW-6 30 2. NS = Not Surveyed 20-30 24.07 3. TOC = Top of casing. 4 -- = Not Detected 5. NR = Not documented in historical reports Unknown Well blocked at 4" below ground surface 20-30MW-5 Destroyed 97.35 Destroyed during UST Removal in August 2009 98.50 7/19/85 100.49 MW-4R 2/28/13 20-35 35.29 Unknown 6. TOC Elevations were re-surveyed on 9/11/14. Monitoring well FBW-1 is the site benchmark at 100.00 feet. 8. For monitoring wells with LNAPL, groundwater elevation calculated by the following equation: GW Elev.= TOC Elev.-DTW+(0.8581*LNAPL Thickness) 7. LNAPL = Light Non-Aqueous Phase Liquid. 1. NM = Not Measured 2 102.89 MW-6R 5/13/08 22-33 33.96 2 101.60 99.13 7/18/85 TABLE 2 WELL CONSTRUCTION AND GROUNDWATER ELEVATION DATA WESTERN BOULEVARD EXXON 5201 WESTERN BOULEVARD RALEIGH, WAKE COUNTY, NORTH CAROLINA INCIDENT #23182 Well ID Date Installed Screened Interval (feet) Depth of Well (feet) Well diameter (inches) TOC Elev. (feet) Date Measured Depth to Water (feet) Depth to LNAPL (feet) LNAPL Thickness (feet) Groundwater Elevation 7/16/2002 FP FP FP FP 7/17/2003 19.01 18.45 0.56 79.77 3/11/04 20.17 ----78.13 11/30/04 20.53 ----77.77 11/8/06 25.51 ----72.79 5/13/08 24.62 ----75.21 11/12/09 26.40 23.55 2.85 75.88 7/21/11 25.55 23.60 1.95 75.95 2/28/13 27.39 24.25 3.14 75.13 9/4/13 22.88 ----76.95 9/11/14 23.56 21.94 1.62 80.03 12/12/14 25.20 23.34 1.86 78.60 1/14/15 31.56 23.12 8.44 77.88 3/7/15 21.62 21.61 0.01 80.59 6/14/15 19.97 ----82.23 10/13/15 22.14 ----80.06 10/14/15 22.75 ----79.45 1/21/16 20.43 ----81.77 8/25/16 19.72 ----82.48 10/6/16 20.46 ----81.74 10/19/17 23.66 ----78.54 11/28/18 23.19 22.95 0.24 79.22 9/30/19 21.80 21.60 0.20 80.57 7/26/85 NR NR NR 76.13 8/8/85 NR NR NR 75.88 8/22/85 NR NR NR 75.60 8/31/85 NR NR NR 75.52 7/16/02 23.48 ----74.31 7/17/03 17.92 ----79.87 3/11/04 19.48 ----78.31 11/30/04 19.88 ----77.91 11/8/06 23.37 ----74.42 5/13/08 23.61 ----75.58 99.21 8/31/85 NR NR NR 75.41 7/16/02 24.10 ----74.26 7/17/03 18.66 ----79.70 3/11/04 20.23 ----78.13 11/30/04 20.57 ----77.79 11/8/06 24.03 ----74.33 5/13/08 24.50 ----75.38 7/26/85 NR NR NR 75.82 8/8/85 NR NR NR 75.61 8/31/85 NR NR NR 75.32 7/16/02 24.51 ----74.30 7/17/03 19.13 ----79.68 3/11/04 20.69 ----78.12 11/30/04 21.03 ----77.78 4/5/06 23.35 ----75.46 11/8/06 24.52 ----74.29 5/13/08 24.99 ----75.35 Notes: 22-32 99.83 31.5 7/23/85 20.5-40.5 98.36 97.79 Destroyed during UST Removal in August 2009 Unknown Unknown 39.14 MW-9 MW-8 4 -- = Not Detected 99.19 7/23/85 7/24/85 2. NS = Not Surveyed 6. TOC Elevations were re-surveyed on 9/11/14. Monitoring well FBW-1 is the site benchmark at 100.00 feet. 3. TOC = Top of casing. 1. NM = Not Measured 37.3 Destroyed during UST Removal in August 2009 34.85 99.52 5. NR = Not documented in historical reports Unknown20.3-40.3MW-10 98.81 98.42 98.30 Destroyed during UST Removal in August 2009 MW-7 7/22/85 20-40 7. LNAPL = Light Non-Aqueous Phase Liquid. 4 102.20 100.34 8. For monitoring wells with LNAPL, groundwater elevation calculated by the following equation: GW Elev.= TOC Elev.-DTW+(0.8581*LNAPL Thickness) TABLE 2 WELL CONSTRUCTION AND GROUNDWATER ELEVATION DATA WESTERN BOULEVARD EXXON 5201 WESTERN BOULEVARD RALEIGH, WAKE COUNTY, NORTH CAROLINA INCIDENT #23182 Well ID Date Installed Screened Interval (feet) Depth of Well (feet) Well diameter (inches) TOC Elev. (feet) Date Measured Depth to Water (feet) Depth to LNAPL (feet) LNAPL Thickness (feet) Groundwater Elevation 8/22/95 NR NR NR 75.79 8/31/95 NR NR NR 75.90 7/16/02 DRY DRY DRY DRY 3/11/04 DRY DRY DRY DRY 11/30/04 DRY DRY DRY DRY 11/8/06 DRY DRY DRY DRY 5/13/08 DRY DRY DRY DRY 7/26/85 NR NR NR 76.27 8/8/85 NR NR NR 76.01 8/22/85 NR NR NR 75.79 8/31/85 NR NR NR 75.76 7/16/02 25.52 ----74.48 7/17/03 20.07 ----79.93 3/11/04 21.64 ----78.36 11/30/04 22.00 ----78.00 4/5/06 22.40 ----77.60 11/8/06 25.43 ----74.57 5/13/08 25.64 ----75.88 11/11/09 25.50 ----76.02 7/21/11 23.38 ----78.14 9/11/14 23.56 ----80.23 3/9/15 23.35 ----80.44 6/14/15 21.33 ----82.46 1/21/16 21.56 ----82.23 8/25/16 20.79 ----83.00 10/6/16 21.74 ----82.05 10/19/17 24.96 ----78.83 11/28/18 24.25 ----79.54 9/30/19 22.95 ----80.84 2/28/13 24.82 ----74.89 9/4/13 22.72 ----76.99 9/11/14 22.21 ----79.90 3/7/15 21.59 ----80.52 6/14/15 19.88 82.23 1/21/16 20.25 ----81.86 8/25/16 19.36 ----82.75 10/6/16 20.32 ----81.79 10/19/17 23.84 ----78.27 11/28/18 23.08 ----79.03 9/30/19 21.44 ----80.67 7/16/02 24.60 ----73.23 7/17/03 18.00 ----79.83 3/11/04 19.58 ----78.25 11/8/06 24.37 ----73.46 5/13/08 23.69 ----75.57 11/11/09 23.54 ----75.72 7/21/11 DRY DRY DRY DRY 2/27/13 24.24 ----75.02 9/4/13 22.12 ----77.14 9/11/14 21.59 ----80.15 3/7/15 19.56 ----82.18 6/14/15 19.31 ----82.43 1/21/16 19.57 ----82.17 8/25/16 18.75 ----82.99 10/6/16 20.00 ----81.74 10/19/17 23.40 ----78.34 11/28/18 22.38 ----79.36 9/30/19 20.98 ----80.76 Notes: 97.83 98.90 100.66 98.15 Destroyed during UST Removal in August 2009 7/24/85 20.5-30.5 MW-12 7/26/85 20-30 MW-11 8. For monitoring wells with LNAPL, groundwater elevation calculated by the following equation: GW Elev.= TOC Elev.-DTW+(0.8581*LNAPL Thickness) 1. NM = Not Measured 2. NS = Not Surveyed 3. TOC = Top of casing. 4 -- = Not Detected 5. NR = Not documented in historical reports 6. TOC Elevations were re-surveyed on 9/11/14. Monitoring well FBW-1 is the site benchmark at 100.00 feet. 99.71 7. LNAPL = Light Non-Aqueous Phase Liquid. Unknown 31.34 2 103.79 101.52 100.00 19.3 MW-12R 2/27/13 20-35 35.8 2 102.11 MW-13 8/18/85 15.56-35.56 34.61 4 101.74 99.26 TABLE 2 WELL CONSTRUCTION AND GROUNDWATER ELEVATION DATA WESTERN BOULEVARD EXXON 5201 WESTERN BOULEVARD RALEIGH, WAKE COUNTY, NORTH CAROLINA INCIDENT #23182 Well ID Date Installed Screened Interval (feet) Depth of Well (feet) Well diameter (inches) TOC Elev. (feet) Date Measured Depth to Water (feet) Depth to LNAPL (feet) LNAPL Thickness (feet) Groundwater Elevation 7/17/2003 18.10 ----80.98 3/11/2004 19.59 ----79.49 11/30/04 20.46 ----78.62 4/5/06 21.78 ----77.30 11/8/06 24.29 ----74.79 5/13/08 23.93 ----75.03 11/11/09 24.21 ----74.75 7/21/11 DRY DRY DRY DRY 2/27/13 24.67 ----74.29 9/4/13 22.77 ----76.19 9/11/14 22.34 ----78.97 3/7/15 20.73 ----80.58 6/14/15 19.45 ----81.86 1/21/16 19.40 ----81.91 8/25/16 19.16 ----82.15 10/6/16 20.55 ----80.76 10/19/17 23.84 ----77.47 11/28/18 22.64 ----78.67 9/30/19 21.80 ----79.51 7/17/03 17.91 ----82.30 3/11/04 19.05 ----81.16 11/30/04 20.37 ----79.84 4/5/06 21.81 ----78.40 11/8/06 24.47 ----75.74 5/13/08 23.11 ----74.75 11/11/09 24.35 ----73.51 7/21/11 24.26 ----73.60 3/11/04 21.02 ----77.72 11/30/04 21.56 ----77.18 4/5/06 23.95 ----74.79 11/8/06 25.06 ----73.68 5/13/08 25.43 ----74.91 11/11/09 25.42 ----74.92 7/21/11 25.16 ----75.18 2/27/13 26.22 ----74.12 9/4/13 24.10 ----76.24 9/11/14 Notes: Could Not Locate 8. For monitoring wells with LNAPL, groundwater elevation calculated by the following equation: GW Elev.= TOC Elev.-DTW+(0.8581*LNAPL Thickness) 100.21 34.9512/17/03 1. NM = Not Measured 3. TOC = Top of casing. Destroyed MW-16 NS 2. NS = Not Surveyed Unknown 5. NR = Not documented in historical reports MW-15 98.74 100.34 20-35 6. TOC Elevations were re-surveyed on 9/11/14. Monitoring well FBW-1 is the site benchmark at 100.00 feet. 15-35 357/17/03 Destroyed - Paved Over 97.86 7. LNAPL = Light Non-Aqueous Phase Liquid. Unknown 4 -- = Not Detected MW-14 7/17/03 15-30 30.18 2 101.31 98.96 99.08 TABLE 2 WELL CONSTRUCTION AND GROUNDWATER ELEVATION DATA WESTERN BOULEVARD EXXON 5201 WESTERN BOULEVARD RALEIGH, WAKE COUNTY, NORTH CAROLINA INCIDENT #23182 Well ID Date Installed Screened Interval (feet) Depth of Well (feet) Well diameter (inches) TOC Elev. (feet) Date Measured Depth to Water (feet) Depth to LNAPL (feet) LNAPL Thickness (feet) Groundwater Elevation 3/11/04 20.73 ----73.78 11/30/04 21.29 ----73.22 4/5/06 23.88 ----70.63 11/8/06 25.13 ----69.38 5/13/08 25.31 ----73.97 11/11/09 25.52 ----73.76 7/21/11 DRY DRY DRY DRY 2/27/13 26.21 ----73.07 9/4/13 24.27 ----75.01 9/11/14 3/7/15 1/21/16 8/25/16 20.71 ----NS 10/6/16 22.03 ----NS 11/21/16 NM ----NM 10/19/17 25.25 ----76.48 11/28/18 24.30 ----77.43 9/30/19 23.33 ----78.40 3/11/04 18.26 ----81.94 11/30/04 19.26 ----80.94 11/8/06 23.20 ----77.00 5/13/08 22.17 ----75.47 11/11/09 22.95 ----74.69 7/21/11 22.83 ----74.81 2/27/13 22.74 ----74.90 9/4/13 21.09 ----76.55 9/11/14 20.57 ----79.43 3/7/15 18.97 ----81.03 6/14/15 17.97 ----82.03 1/21/16 17.67 ----82.33 8/25/16 18.21 ----81.79 10/6/16 19.41 ----80.59 10/19/17 22.84 ----77.16 11/28/18 19.78 ----80.22 9/30/19 20.63 ----79.37 3/11/04 17.50 ----83.69 11/30/04 18.65 ----82.54 11/8/06 22.73 ----78.46 5/13/08 21.27 ----76.39 11/11/09 22.39 ----75.27 7/21/11 22.26 ----75.40 2/27/13 21.81 ----75.85 9/4/13 20.47 ----77.19 9/11/14 3/7/15 6/14/15 1/21/16 8/25/16 17.84 ----NS 10/6/16 18.97 ----NS 11/21/16 NM ----NM 10/19/17 22.20 ----76.82 11/28/18 19.81 ----79.21 9/30/19 20.22 ----78.80 Notes: 101.73 Could Not Locate 2. NS = Not Surveyed 99.28 97.64 100.20 9. TOC elevations were not meausred for MW-17 and FBW-2 on 9/11/2014. Could Not Locate 4 -- = Not Detected 1. NM = Not Measured 5. NR = Not documented in historical reports 12/18/03 NS 97.66 7. LNAPL = Light Non-Aqueous Phase Liquid. 8. For monitoring wells with LNAPL, groundwater elevation calculated by the following equation: GW Elev.= TOC Elev.-DTW+(0.8581*LNAPL Thickness) 6. TOC Elevations were re-surveyed on 9/11/14. Monitoring well FBW-1 is the site benchmark at 100.00 feet. 101.19 3. TOC = Top of casing. NS 94.51 MW-17 20-30 30.31 2 FBW-1 Unknown Unknown 31.37 2 100.00 FBW-2 Unknown Unknown 31.25 2 99.02 TABLE 3 GROUNDWATER ANALYTICAL RESULTS WESTERN BOULEVARD EXXON 5201 WESTERN BOULEVARD RALEIGH, WAKE COUNTY, NORTH CAROLINA INCIDENT #23182 MW-1 9/30/2019 4,840 18,700 631 16,400 40,571 <250 2,220 1190 <250 <250 <100 3,040 1110 <250 <250 <250 <250 <150 <250 <250 <250 MW-2 9/30/2019 1.7 51.7 139 682 874.4 <0.50 <0.50 32.3 23 11.3 <0.20 164 56.3 2.5 1.5 <0.50 <0.50 <0.30 5.6 2.2 4 MW-3 9/30/2019 8,640 66,300 4,500 28,100 107,540 11,700 6,220 760 <500 <500 <200 3,560 963 <500 <500 <500 <500 <300 <500 <500 <500 MW-4R 9/30/2019 146 170 439 966 1,721 25.9 127 193 40.4 21.7 <1.0 296 152 2.6 <2.5 <2.5 <2.5 <1.5 <2.5 <2.5 <2.5 MW-6R 9/30/2019 <0.50 <0.50 <0.50 <0.50 ND <0.50 <0.50 <0.50 6.9 2.3 <0.20 10.9 12.4 3.3 1.8 <0.50 <0.50 <0.30 <0.50 <0.50 <0.50 MW-7 9/30/2019 MW-12 9/30/2019 <0.50 <0.50 <0.50 <0.50 ND 0.75 <0.50 <0.50 <0.50 <0.50 <0.20 <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 <0.30 <0.50 <0.50 <0.50 MW-12R 9/30/2019 <50 4,140 1,780 9,110 15,030 <50 <50 387 267 101 <20 2,290 922 <50 <50 <50 <50 <30 <50 <50 <50 MW-13 9/30/2019 <2.5 11.9 198 704 913.9 <2.5 <2.5 90.4 93.8 35.8 <1.0 671 312 5.7 <2.5 <2.5 <2.5 <1.5 <2.5 <2.5 <2.5 MW-14 9/30/2019 <0.50 <0.50 <0.50 <0.50 ND <0.50 <0.50 <0.50 <0.50 <0.50 <0.20 3.5 1.9 <0.50 <0.50 <0.50 <0.50 <0.30 <0.50 <0.50 <0.50 MW-17 9/30/2019 <0.50 <0.50 <0.50 <0.50 ND 29.3 <0.50 <0.50 <0.50 <0.50 <0.20 <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 <0.30 <0.50 <0.50 <0.50 FBW-1 9/30/2019 <0.50 <0.50 <0.50 <0.50 ND 33.9 <0.50 <0.50 <0.50 <0.50 1.1 <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 <0.30 <0.50 <0.50 <0.50 FBW-2 9/30/2019 <0.50 <0.50 <0.50 <0.50 ND <0.50 <0.50 <0.50 <0.50 <0.50 <0.20 <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 <0.30 <0.50 <0.50 <0.50 FIELD BLANK 9/30/2019 <0.50 0.97 <0.50 <0.50 0.97 <0.50 <0.50 <0.50 <0.50 <0.50 <0.20 <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 <0.30 <0.50 <0.50 <0.50 1 600 600 500 NE 20 70 6 70 70 0.4 400 400 70 25 100 70 0.6 3 0.7 0.005 5,000 260,000 84,500 85,500 NE 20,000 70,000 6,000 30,000 25,000 400 28,500 25,000 8,500 11,700 100,000 70,000 600 3,000 700 NE Notes: 1. MTBE = Methyl Tertiary Butyl Ether. 2. IPE = Isopropyl Ether. 3. BTEX = Benzene, toluene, ethylbenzene, xylenes. 4. "<" = Not detected at or above the laboratory detection limit. 5. Concentrations are reported in micrograms per liter (ug/l) = parts per billion (ppb). 6. Concentrations in bold exceed the corresponding NCDEQ Groundwater Quality 2L Standard (2L Standard). 7. GCL = Gross Contamination Limit. 8. NE = Not established. StyreneDate Collected Xylenes (Total)n-Propylbenzenesec-ButylbenzeneIsopropylbenzene4-Methyl-2-pentanone1,2,4-Trimethylbenzene10. ND = Not Detected 9. LNAPL = Light Non-Aqueous Phase Liquid WELL ID 1,2-DichloroethaneMethyl ChlorideTetrachloroethyleneGCL 2L Standard MTBEBenzene1,2,3-TrichloropropaneNot Sampled - LNAPL at a thickness of 0.20 feet 1,1,2-Trichloroethane1,3,5-TrimethylbenzeneNaphthaleneTolueneEthylbenzeneTotal BTEXp-IsopropyltolueneIPE TABLE 4 HISTORICAL GROUNDWATER ANALYTICAL RESULTS WESTERN BOULEVARD EXXON 5201 WESTERN BOULEVARD RALEIGH, WAKE COUNTY, NORTH CAROLINA INCIDENT #23182 7/16/2002 11,000 37,000 1,300 15,900 41,000 51,000 BQL BQL BQL BQL 1,800 BQL NR 7/17/2003 8,400 26,000 940 11,500 49,000 35,000 <2,000 ND ND ND 1,700 ND ND 3/11/2004 5,900 15,000 960 9,100 69,000 28,000 <400 <100 <100 4.5 1,200 290 ND 11/30/2004 9,000 29,000 1,200 14,300 66,000 48,000 <400 <100 <100 <100 1,600 460 <100 4/5/2006 3,400 13,000 <1,000 7,100 19,000 11,000 <4,000 <1,000 <1,000 <1,000 <1,000 <1,000 <1,000 11/8/2006 6,800 27,000 2,200 16,400 52,000 36,000 ND 260 ND ND 2,400 660 ND 1/15/2008 3,580 6,790 1,140 10,189 24,600 19,400 265 BDL BDL BDL 2,500 772 BDL 4/7/2008 1,620 5,290 371 4,120 9,520 6,710 BDL BDL BDL BDL 583 174 BDL 5/13/2008 2,340 7,450 545 5,730 19,200 14,400 165 41.5 BDL BDL 791 BDL BDL 11/11/2009 4,440 21,200 4,130 28,300 14,300 21,900 1,890 872 BDL BDL 7,440 2,460 BDL 7/21/2011 5,400 13,900 1,350 14,071 7,050 17,500 628 125 BDL BDL 1,860 669 BDL 2/27/2013 2,900 1,700 960 7,340 1,800 4,200 230 110 56 ND 1,800 620 ND 9/11/2014 5,800 20,000 1,500 19,500 1,200 9,400 <120 170J <110 <190 3,400 980 <80 3/7/2015 5,200 21,000 1,600 21,900 640 6,000 1,300 150 82J <39 3,200 1,100 <16 1/21/2016 2,300 8,500 710 11,500 350 4,100 300 68 45 BDL 1,800 630 <8.5 8/25/2016 1,800 9,500 510 8,600 350 4,000 250 41J 38J <19 1,300 370 <27 10/19/2017 3,140 11,600 454 13,700 177 4,770 295 35.8 <20 <20 2,460 940 <20 11/28/2018 2,080 6,210 304 8,330 131 2,350 155 <50 <50 <20 1,280 442 <50 9/30/2019 4,840 18,700 631 16,400 <250 2,220 1,190 <250 <250 <100 3,040 1,110 <250 7/16/2002 13 58 22 57 8 BQL 4 11 4 BQL 49 14 NR 7/17/2013 56 300 19 148 5.5 22 12 2.4 1.1 ND 27 8 1.8 3/11/2004 3.2 19 9.1 13.2 0.52 ND ND 0.52 ND <0.5 5.7 1.7 0.59 11/30/2004 11 150 21 108 ND ND 2.8 ND 1.4 <0.5 15 5 4 4/5/2006 ND 860 680 1,700 ND ND 130 85 35 ND 480 170 ND 11/8/2006 180 1,000 600 2,340 ND 7.1 76 72 27 ND 430 130 ND 1/15/2008 443 2,920 1,530 6,390 BDL BDL 355 244 92.6 BDL 1,300 BDL BDL 5/7/2008 2,430 22,900 3,970 25,690 BDL BDL 890 629 214 BDL 5,560 1,320 BDL 5/13/2008 2,720 30,300 3,640 20,360 345 806 798 483 166 BDL 4,520 1,000 BDL 11/11/2009 13.4 1,370 1,500 8,280 0.84 BDL 199 354 82.3 BDL 2,630 701 4.1 7/21/2011 19.2 670 547 2,945 BDL BDL 80.5 136 37.8 BDL 1,010 298 BDL 2/27/2013 9J 430 380 1,880 ND ND ND 110 34 ND 660 210 ND 9/4/2013 0.18J 1.9 0.52 4 ND ND ND 1.2 0.6 ND 5 4.2 3.6 9/11/2014 <47 80 91 440 <0.9 <1.8 <1.2 43 13 <1.9 260 83 <0.8 3/9/2015 3.5J 160 160 700 <0.9 <1.8 66 50 14 <1.9 260 100 3.2J 1/21/2016 3.3 43 70 123 <0.090 <0.18 13 23 10 BDL 130 60 3.4 8/25/2016 0.5 12 14 51 <0.090 <0.18 4 9.8 5.4 <0.19 43 12 2.3 10/19/2017 10.4 368 430 1,730 <2.0 <1.0 68.8 50.6 17.4 <2.0 402 126 2.9 11/28/2018 17.5 786 925 5,220 <10 <10 194 96.4 37.9 <4.0 793 210 <10 9/30/2019 1.7 51.7 139 682 <0.50 <0.50 32.3 23 11.3 <0.20 164 56.3 2.2 7/17/2003 13,000 73,000 4,500 26,500 170,000 17,000 1,500 580 ND ND 4,400 950 ND 3/11/2004 15,000 57,000 5,000 31,000 540,000 32,000 1,500 380 <100 <100 5,700 1,300 <100 4/5/2006 16,000 80,000 6,700 36,000 290,000 28,000 22,000 <5,000 <5,000 <5,000 17,000 <5,000 <5,000 11/8/2006 1/15/2008 4/7/2008 5/13/2008 11/11/2009 7/21/2011 2/28/2013 9/4/2013 13,000 95,000 4,900 27,300 120,000 22,000 930 420 160 ND 3,700 870 ND 9/11/2014 3/7/2015 12,000 76,000 5,800 35,000 65,000 14,000 <60 510 180J <87 4,100 1,100 <40 1/21/2016 11,000 55,000 3,800 22,400 59,000 19,000 440 330 130 BDL 2,500 720 <34 8/25/2016 9,600 62,000 3,200 18,800 20,000 10,000 540 240 110 <39 2,300 540 <54 10/19/2017 9,780 60,200 4,180 28,100 41,200 13,800 509 322 <200 <200 3,350 862 <200 11/28/2018 10,200 68,900 4,520 28,800 39,800 12,000 632 <500 <500 <200 3,440 805 <500 9/30/2019 8,640 66,300 4,500 28,100 11,700 6,220 760 <500 <500 <200 3,560 963 <500 1 600 600 500 20 70 6 70 70 0.4 400 400 0.7 5,000 260,000 84,500 85,500 20,000 70,000 6,000 30,000 25,000 400 28,500 25,000 700 Notes: 1. MTBE = Methyl Tertiary Butyl Ether. 2. IPE = Isopropyl Ether. 3. "<", BQL, BDL, or ND = Not detected at or above the laboratory detection limit. 4. Concentrations are reported in micrograms per liter (ug/l) = parts per billion (ppb). 5. Concentrations in bold equal or exceed the corresponding NCDEQ Groundwater Quality 2L Standard (2L Standard). 6. GCL = Gross Contamination Level. 7. NE = Not established. MW-3 Not Sampled/LNAPL Not Sampled/LNAPL 2L Standard 9. LNAPL = Light Non-Aqueous Phase Liquid. MW-2 MW-1 NaphthaleneWell ID Not Sampled/LNAPL GCL Date Collected EthylbenzeneNot Sampled/LNAPL 1,3,5-TrimethylbenzeneTetrachloroetheneTolueneBenzeneNot Sampled/Free Product Not Sampled/LNAPLXylenes (Total)n-PropylbenzeneIsopropylbenzeneMTBE1,2,4-Trimethylbenzene1,2-DichloroethaneIPENot Sampled/LNAPL Not Sampled/LNAPL 8. J = Indicates constituent was detected above laboratory detection limit but below laboratory reporting limit. TABLE 4 HISTORICAL GROUNDWATER ANALYTICAL RESULTS WESTERN BOULEVARD EXXON 5201 WESTERN BOULEVARD RALEIGH, WAKE COUNTY, NORTH CAROLINA INCIDENT #23182 NaphthaleneWell ID Date Collected Ethylbenzene1,3,5-TrimethylbenzeneTetrachloroetheneTolueneBenzeneXylenes (Total)n-PropylbenzeneIsopropylbenzeneMTBE1,2,4-Trimethylbenzene1,2-DichloroethaneIPE7/17/2003 8,600 63,00 2,900 22,400 48,000 27,000 1,100 300 ND ND 3,300 800 ND 11/8/2006 1/15/2008 4/7/2008 5/13/2008 11/11/2009 7/21/2011 2/28/2013 140 270 140 680 84 180 44 46 140 ND 190 39 1.2 9/4/2013 560 5,000 680 3,400 330 670 ND 63 32 ND 530 220 ND 9/11/2014 500 2,100 460 2,160 540 1,100 <6 68 40 <9.7 420 160 <4 3/7/2015 330 1,200 500 1,920 250 450 160 63 37 <3.9 350 150 <1.6 1/21/2016 440 1,900 880 3,200 110 360 190 99 52 BDL 740 300 <8.5 8/25/2016 690 5,900 950 6,100 27J 210 340 79 42J <19 890 370 <27 10/19/2017 107 93.9 176 454 57.2 335 101 41.1 19 <0.40 186 106 1.5 11/28/2018 62.9 223 409 1,390 66.7 212 136 67.1 31.2 <2.0 415 138 <5.0 9/30/2019 146 170 439 966 25.9 127 193 40.4 21.7 <1.0 296 152 <2.5 7/17/2003 9,400 42,000 2,700 22,400 55,000 28,000 1,200 380 ND ND 3,400 740 ND 3/11/2004 8,800 36,000 1,800 14,800 81,000 36,000 <2,000 <500 <500 <500 3,200 550 <500 11/30/2004 7,300 32,000 2,100 12,700 41,000 34,000 <5,000 <1,200 <1,200 <1,200 1,800 <1,200 <1,200 11/8/2006 1/15/2008 4/7/2008 5/13/2008 MW-6 5/13/2008 15.7 557 745 3,650 BDL 15.7 174 270 87 BDL 1,480 425 BDL 11/11/2009 0.65 3.1 19.5 94.3 BDL 7.7 5.2 36.1 9.2 BDL 159 92.7 1.3 7/21/2011 BDL 8.8 118 407.9 BDL BDL 27.1 111 33.3 BDL 403 199 0.73 2/27/2013 ND 1.3 48 118 ND ND 15 62 24 ND 200 110 ND 9/4/2013 ND 0.1J 4.2 17.6 0.26J 5 4.2 15 3.5 ND 69 34 0.84 9/11/2014 <0.079 <0.09 6.3 17.7 <0.09 2.4 5.2 12 3.4 <0.19 51 25 0.37J 3/7/2015 <0.079 0.18J 30 57.9 <0.09 0.49J 15 42 15 <0.19 120 80 0.53 1/21/2016 <0.12 0.43 34 48 <0.090 <0.18 9.3 41 22 BDL 96 76 0.26 8/25/2016 <0.60 <0.85 29 49.2 <0.45 <0.90 12 26 17 <0.97 83 51 <1.4 10/19/2017 9/30/2019 <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 6.9 2.3 <0.20 10.9 12.4 <0.50 7/17/2003 3/11/2004 8,000 41,000 3,700 27,400 2,300 21,000 3,500 310 <100 <100 5,100 1,100 <100 11/8/2006 1/15/2008 4/7/2008 5/13/2008 11/11/2009 7/21/2011 2/28/2013 9/4/2013 7,300 51,000 4,200 25,500 3,500 13,000 760 360 140 ND 3,300 770 ND 9/11/2014 3/7/2015 1/21/2016 2600 33,000 2800 20,800 460 1400 510 <13 120 BDL 2700 730 <17 8/25/2016 4,700 30,000 2,200 15,500 3,000 7,200 500 190 100 <39 1,900 470 <54 10/19/2017 8,640 42,500 3,080 30,400 3,960 15,500 990 328 129 <100 4,910 1,330 <100 11/28/2018 9/30/2019 1 600 600 500 20 70 6 70 70 0.4 400 400 0.7 5,000 260,000 84,500 85,500 20,000 70,000 6,000 30,000 25,000 400 28,500 25,000 700 Notes: 1. MTBE = Methyl Tertiary Butyl Ether. 2. IPE = Isopropyl Ether. 3. "<", BQL, BDL, or ND = Not detected at or above the laboratory detection limit. 4. Concentrations are reported in micrograms per liter (ug/l) = parts per billion (ppb). 5. Concentrations in bold equal or exceed the corresponding NCDEQ Groundwater Quality 2L Standard (2L Standard). 6. GCL = Gross Contamination Level. 7. NE = Not established. Not Sampled/DryMW-5 MW-4 MW-4R Well blocked at 4" below ground surface Not Sampled/Dry 2L Standard Destroyed Not Sampled/Dry Not Sampled/Dry Not Sampled/Dry Destroyed Well Abandoned Not Sampled/Dry Not Sampled/Dry Not Sampled/Dry Not Sampled/Dry Not Sampled/LNAPL Not Sampled/Dry Not Sampled/Free Product Not Sampled/LNAPL GCL MW-6R Not Sampled/LNAPL Not Sampled/LNAPL Not Sampled/LNAPL 8. J = Indicates constituent was detected above laboratory detection limit but below laboratory reporting limit. Not Sampled/LNAPL Not Sampled/LNAPL Not Sampled/LNAPL 9. LNAPL = Light Non-Aqueous Phase Liquid. Not Sampled/LNAPL Not Sampled/LNAPL Not Sampled/LNAPL MW-7 TABLE 4 HISTORICAL GROUNDWATER ANALYTICAL RESULTS WESTERN BOULEVARD EXXON 5201 WESTERN BOULEVARD RALEIGH, WAKE COUNTY, NORTH CAROLINA INCIDENT #23182 NaphthaleneWell ID Date Collected Ethylbenzene1,3,5-TrimethylbenzeneTetrachloroetheneTolueneBenzeneXylenes (Total)n-PropylbenzeneIsopropylbenzeneMTBE1,2,4-Trimethylbenzene1,2-DichloroethaneIPE7/17/2003 4,200 54,000 5,100 30,400 13,000 7,500 2,900 700 ND ND 5,500 1,200 ND 3/11/2004 1,300 16,000 2,300 9,800 ND 510 400 <100 <100 <100 2,300 600 <100 11/30/2004 920 12,000 1,800 9,600 <250 <250 <1,000 <250 <250 <250 1,700 <250 <250 11/8/2006 710 16,000 3,100 17,400 ND ND 620 510 170 ND 3,800 1,000 ND 5/13/2008 648 10,500 2,060 10,840 BQL BQL 385 381 BQL BDL 2,490 574 ND 7/16/2002 7,100 30,000 2,300 15,600 9,500 19,000 BQL BQL BQL BQL 1,700 BQL NR 7/17/2003 6,600 31,000 1,800 12,000 29,000 22,000 <2,000 ND ND ND 1,800 ND ND 3/11/2004 2,400 11,000 1,300 7,100 8,800 5,000 <1,000 <250 <250 <0.5 1,100 ND ND 11/8/2006 2,600 19,000 1,600 15,000 5,100 5,300 280 170 69 ND 2,100 580 ND 5/13/2008 551 4,070 628 6,950 853 1,040 263 70.8 39.1 BDL 1,250 328 BDL 7/16/2002 2,500 1,700 200 2,470 4,400 6,100 BQL BQL BQL BQL 250 100 NR 7/17/2003 1,300 1,400 190 1,330 5,300 3,000 570 ND ND ND 110 43 ND 3/11/2004 440 92 39 156 1,400 1,000 33 3.7 2.3 <0.5 61 21 ND 11/30/2004 460 580 79 560 2,300 1,500 <100 ND ND <25 57 ND ND 4/5/2006 40 21J ND 33 90 110 ND ND ND <12 ND ND ND 11/8/2006 720 1,900 210 940 630 1,100 28 18 9.8 ND 120 64 ND 1/15/2008 582 22.5 45.9 200.7 805 878 25.5 7.4 6.6 BDL 42.9 69.1 BDL 4/7/2008 6.1 BDL 2.5 19.3 585 926 BDL BDL 6.6 BDL 5.3 BDL BDL 5/13/2008 5 BDL BDL 11.3 140 469 BDL BDL BDL BDL 5 BDL BDL 11/8/2006 1/15/2008 4/7/2008 5/13/2008 7/16/2002 21 20 2 24 BQL BQL BQL BQL BQL BQL 2 1 NR 7/17/2003 51 63 7.1 50 ND 9 6.7 3 2.1 ND 5.9 5.7 ND 3/11/2004 22 18 ND 14.7 ND ND ND ND ND <0.5 ND ND ND 11/30/2004 64 510 34 300 6.8 16 7.7 ND 1.8 <0.5 28 8 ND 4/5/2006 ND ND ND ND ND ND ND ND ND <0.5 ND ND ND 11/8/2006 1.1 0.62 ND ND ND ND ND ND ND ND ND ND ND 1/15/2008 BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL 4/7/2008 BDL 0.52 5.8 53.8 BDL BDL 23 35.9 7 BDL 81 105 BDL 5/13/2008 BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL 11/11/2009 BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL 9/11/2014 <0.079 2 0.31J 2.14 0.5 <0.18 <0.12 <0.094 <0.11 <0.19 0.71 0.31J <0.08 3/9/2015 <0.079 <0.09 <0.092 <0.18 2.7 <0.18 <0.12 <0.094 <0.11 <0.19 <0.18 <0.1 0.13J 1/21/2016 <0.12 <0.17 <0.13 <0.25 <0.090 <0.18 <0.12 <0.13 <0.12 BDL <0.18 <0.13 <0.17 8/25/2016 <0.12 <0.17 <0.13 <1.50 8.5 <0.18 <0.12 <0.13 <0.12 <0.19 <0.18 <0.13 <0.27 10/19/2017 <0.30 0.27 <0.20 <0.60 5 <0.10 <0.50 <0.10 <0.20 <0.20 <0.30 <0.30 <0.20 11/28/2018 <0.50 <0.50 <0.50 <0.50 1.3 <0.50 <0.50 <0.50 <0.50 <0.20 <0.50 <0.50 <0.51 9/30/2019 <0.50 <0.50 <0.50 <0.50 0.75 <0.50 <0.50 <0.50 <0.50 <0.20 <0.50 <0.50 <0.50 2/28/2013 14 ND 360 ND ND 1.1 56 90 33 ND ND ND ND 9/4/2013 210 8,400 1,700 11,700 ND 44 280 160 72 ND 1,700 680 ND 9/11/2014 320 15,000 3,200 18,800 <45 <90 <60 290 120J <97 2,700 860 <40 3/7/2015 130 7,600 2,400 13,000 <4.5 17J 490 320 110 <9.7 2,200 790 <4 1/21/2016 20 1,700 750 3,900 <2.2 5.5 130 120 46 BDL 870 400 <4.2 8/25/2016 16J 1,100 420 2,900 <4.5 18J 140 58 30 <9.7 680 400 <14 10/19/2017 149 15,400 3,500 20,400 <40 20.1 580 257 91.7 <40 2,740 966 <40 11/28/2018 <50 4,360 1,440 8,150 <50 <50 293 192 72.1 <20 1,480 418 <50 9/30/2019 <50 4,140 1,780 9,110 <50 <50 387 267 101 <20 2,290 922 <50 1 600 600 500 20 70 6 70 70 0.4 400 400 0.7 5,000 260,000 84,500 85,500 20,000 70,000 6,000 30,000 25,000 400 28,500 25,000 700 Notes: 1. MTBE = Methyl Tertiary Butyl Ether. 2. IPE = Isopropyl Ether. 3. "<", BQL, BDL, or ND = Not detected at or above the laboratory detecton limit. 4. Concentrations are reported in micrograms per liter (ug/l) = parts per billion (ppb). 5. Concentrations in bold equal or exceed the corresponding NCDEQ Groundwater Quality 2L Standard (2L Standard). 6. GCL = Gross Contamination Level. 7. NE = Not established. MW-12R 8. J = Indicates constituent was detected above laboratory detection limit but below laboratory reporting limit. MW-11 GCL Destroyed Destroyed Not Sampled/Dry MW-8 Destroyed 2L Standard MW-12 MW-10 MW-9 Not Sampled/Dry Destroyed Not Sampled/Dry Not Sampled/Dry TABLE 4 HISTORICAL GROUNDWATER ANALYTICAL RESULTS WESTERN BOULEVARD EXXON 5201 WESTERN BOULEVARD RALEIGH, WAKE COUNTY, NORTH CAROLINA INCIDENT #23182 NaphthaleneWell ID Date Collected Ethylbenzene1,3,5-TrimethylbenzeneTetrachloroetheneTolueneBenzeneXylenes (Total)n-PropylbenzeneIsopropylbenzeneMTBE1,2,4-Trimethylbenzene1,2-DichloroethaneIPE7/16/2002 340 3,600 680 3,800 BQL BQL 93 83 BQL BQL 580 98 NR 7/17/2003 280 2,900 590 3,500 <50 ND 240 ND ND ND 530 130 ND 3/11/2004 2.7 7 4 17 ND 1.9 ND ND ND ND 2.1 ND ND 11/8/2006 470 600 990 3,770 ND 47 95 89 42 ND 780 220 ND 5/13/2008 83.8 164 532 2,674 BDL 15.1 71.7 102 39.2 BDL 827 288 BDL 11/11/2009 22.6 188 863 10,300 BDL BDL 236 137 BDL BDL 1,400 414 BDL 7/21/2011 2/27/2013 1.2J 1.9J 46 416.1 ND ND 64 19 8.1 ND 380 200 ND 9/4/2013 10 140 730 4,300 ND ND 170 160 67 ND 1,400 670 ND 9/11/2014 <7.9 71 710 3,450 <9 <18 <12 160 65 <19 1,600 680 <8 3/7/2015 9J 45 690 3,040 <4.5 <9 410 220 76 <9.7 1,600 930 <4 1/21/2016 1.4 9.7 500 1,754 <0.45 <0.90 330 200 72 BDL 1,600 630 <0.85 8/25/2016 <0.60 17 200 1,040 <0.45 <0.90 160 66 30 <0.97 600 340 <1.4 10/19/2017 <1.5 13.3 283 953 <1.0 <0.50 251 166 54.3 <1.0 1,060 561 <1.0 11/28/2018 <0.50 2.0 29.0 95.0 <0.50 <0.50 43.6 18.5 10 <0.20 123 67.7 <0.50 9/30/2019 <2.5 11.9 198 704 <2.5 <2.5 90.4 93.8 35.8 <1.0 671 312 <2.5 7/17/2003 98 530 25 150 270 25 <40 ND ND ND 37 ND ND 3/11/2004 ND ND ND 25 600 2.9 5.4 1.7 3 <0.5 49 17 ND 11/30/2004 ND 89 15 158 760 ND ND ND 12 <10 210 62 <10 4/5/2006 ND ND ND ND 520 ND ND ND ND <0.5 ND ND ND 11/8/2006 ND ND ND 74 1,700 ND ND 7.7 8 ND 160 46 ND 1/15/2005 BDL BDL BDL 73.8 1,270 BDL BDL 11 9.1 BDL 174 53.4 BDL 4/7/2008 BDL BDL BDL 52.8 907 BDL BDL BDL 6.2 BDL 121 38.6 BDL 5/13/2008 BDL BDL BDL 13.3 286 0.63 BDL 0.98 2.3 BDL 41.9 13.3 0.56 11/11/2009 BDL BDL BDL 0.69 6.1 BDL BDL BDL BDL BDL 1.7 0.65 BDL 7/21/2011 2/27/2013 1.2 0.18J ND 33 16 0.63 4.7 1.7 3.9 ND 71 26 0.4J 9/4/2013 0.69 1.4 0.24 17.8 6.2 0.51J 4 0.81 2.3 ND 29 16 0.39J 9/11/2014 0.79 13 2.8 27 1.3 0.62 5.2 2.1 2.6 <0.19 42 18 <4.7 3/7/2015 <0.079 <0.09 <0.092 <0.18 0.22J <0.18 <0.12 <0.094 <0.11 <0.19 <0.18 <0.1 <0.08 1/21/2016 <0.12 <0.17 <0.13 <0.25 <0.090 <0.18 <0.12 <0.13 <0.12 BDL <0.18 <0.13 <0.17 8/25/2016 <0.12 <0.17 <0.13 <1.50 8.5 <0.18 <0.12 <0.13 0.22J <0.19 2.9 1.3 <0.27 10/19/2017 <0.30 <0.20 <0.20 3.1 <0.20 <0.10 0.53 0.62 3.5 <0.20 65.4 27.5 0.33 11/28/2018 <0.50 <0.50 <0.50 6.2 <0.50 <0.50 0.71 <0.50 0.63 <0.20 12.1 4.7 <0.50 9/30/2019 <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 <0.20 3.5 1.9 <0.50 7/17/2003 33 230 15 136 4 9 4.6 0.94 ND ND 13 3.6 ND 3/11/2004 ND ND ND ND ND ND ND ND ND <0.5 ND ND ND 11/30/2004 5.6 41 ND 25.9 ND 3.7 ND ND ND <0.5 3.5 1.1 ND 4/5/2006 ND ND ND ND ND ND ND ND ND <0.5 ND ND ND 11/8/2006 ND ND ND 0.54 0.97 ND ND ND ND ND 0.83 ND ND 1/15/2008 BDL BDL BDL 2.7 1.2 BDL BDL BDL BDL BDL BDL BDL BDL 4/7/2008 BDL BDL BDL 0.51 0.96 BDL BDL BDL BDL BDL 1.3 BDL BDL 5/13/2008 BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL 11/11/2009 BDL BDL BDL BDL 1.2 BDL BDL BDL BDL BDL BDL BDL BDL 7/21/2011 BDL BDL BDL BDL 12.4 BDL BDL BDL BDL BDL BDL BDL BDL 1 600 600 500 20 70 6 70 70 0.4 400 400 0.7 5,000 260,000 84,500 85,500 20,000 70,000 6,000 30,000 25,000 400 28,500 25,000 700 Notes: 1. MTBE = Methyl Tertiary Butyl Ether. 2. IPE = Isopropyl Ether. 3. "<", BQL, BDL, or ND = Not detected at or above the laboratory detecton limit. 4. Concentrations are reported in micrograms per liter (ug/l) = parts per billion (ppb). 5. Concentrations in bold equal or exceed the corresponding NCDEQ Groundwater Quality 2L Standard (2L Standard). 6. GCL = Gross Contamination Level. 7. NE = Not established. MW-14 MW-13 8. J = Indicates constituent was detected above laboratory detection limit but below laboratory reporting limit. Not Sampled/Dry MW-15 2L Standard GCL Destroyed - Paved Over Not Sampled/Dry TABLE 4 HISTORICAL GROUNDWATER ANALYTICAL RESULTS WESTERN BOULEVARD EXXON 5201 WESTERN BOULEVARD RALEIGH, WAKE COUNTY, NORTH CAROLINA INCIDENT #23182 NaphthaleneWell ID Date Collected Ethylbenzene1,3,5-TrimethylbenzeneTetrachloroetheneTolueneBenzeneXylenes (Total)n-PropylbenzeneIsopropylbenzeneMTBE1,2,4-Trimethylbenzene1,2-DichloroethaneIPE3/11/2004 0.94 ND ND ND 2.8 ND ND ND ND <0.5 ND ND ND 11/30/2004 6.1 46 4.8 34 3.2 ND ND ND ND <0.5 4.6 1.4 ND 4/5/2006 9.4 ND ND ND 80 ND ND ND ND <0.5 1.2 ND ND 11/8/2006 22 ND ND 7.3 130 1.1 ND ND ND ND ND 0.5 ND 1/15/2008 69.3 0.5 BDL 17.3 438 2.6 2.3 BDL 0.54 BDL 3.3 BDL BDL 4/7/2008 2.9 BDL BDL 1.3 191 1.3 BDL BDL BDL BDL BDL BDL BDL 5/13/2008 1.1 BDL BDL 0.59 357 2.1 BDL BDL BDL BDL BDL BDL BDL 11/11/2009 39.3 BDL BDL 8.2 504 1.7 BDL BDL BDL BDL 1.3 BDL BDL 7/21/2011 3.7D BDL BDL BDL 402D 1.8D BDL BDL BDL BDL BDL BDL BDL 2/27/2013 5.1 ND ND 2.19J 590 ND ND ND ND ND 0.64 0.19J ND 9/4/2013 2.2J 3 0.55J 5 310 ND ND ND ND ND 1.8J 1 ND 9/11/2014 3/11/2004 ND ND ND 1.2 ND ND ND ND ND <0.5 ND ND ND 11/30/2004 8.6 50 6.3 45 1 ND ND ND ND <0.5 6.2 1.8 ND 4/5/2006 ND ND ND ND 3.2 ND ND ND ND <0.5 ND ND ND 11/8/2006 0.98 ND ND 2.31 4.8 ND ND ND ND ND 1.4 ND ND 1/15/2008 BDL 1.8 BDL 2.68 20.2 BDL BDL BDL BDL BDL 0.74 BDL BDL 4/7/2008 BDL BDL BDL BDL 17.2 BDL BDL BDL BDL BDL 0.84 BDL BDL 5/13/2008 BDL BDL BDL BDL 22.3 BDL BDL BDL BDL BDL BDL BDL BDL 11/11/2009 BDL BDL BDL BDL 32.7 BDL BDL BDL BDL BDL BDL BDL BDL 7/21/2011 2/27/2013 ND ND ND ND 54 ND ND ND ND ND ND ND ND 9/4/2013 0.22J 5.3 1.1 7.3 65 0.35J NR 0.35 0.12J ND 3 0.81 ND 9/11/2014 3/7/2015 1/21/2016 8/25/2016 <0.12 <0.17 <0.13 <1.50 72 0.59 <0.12 <0.13 <0.12 <0.19 <0.18 <0.13 <0.27 10/19/2017 <0.30 <0.20 <0.20 <0.60 38 0.25 <0.50 <0.10 <0.20 <0.20 <0.30 <0.30 <0.20 11/28/2018 <0.50 <0.50 <0.50 <0.50 28.4 <0.50 <0.50 <0.50 <0.50 <0.20 <0.50 <0.50 <0.50 9/30/2019 <0.50 <0.50 <0.50 <0.50 29.3 <0.50 <0.50 <0.50 <0.50 <0.20 <0.50 <0.50 <0.50 11/8/2006 ND ND ND ND ND ND ND ND ND 1.1 ND ND ND 5/13/2008 BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL 11/12/2009 BDL BDL BDL BDL BDL BDL BDL BDL BDL 2.2 BDL BDL 0.92 7/21/2011 BDL BDL BDL BDL BDL BDL BDL BDL BDL 2.7 BDL BDL 0.82 2/27/2013 2.5 ND ND ND ND ND ND ND ND 4 ND ND 0.82 9/4/2013 ND 0.33J ND 0.23J 6.3 0.27J ND ND ND 3 0.2J ND 0.63 9/11/2014 4.7 140 35 206 120 3.5 7.5 10 3.1 1.9 70 20 <0.08 3/7/2015 <0.079 <0.09 <0.092 <0.18 310 1.9 <0.12 <0.094 <0.11 4.2 <0.18 <0.1 0.11J 1/21/2016 0.8 <0.17 <0.13 0.55 550 1.9 <0.12 <0.13 <0.12 BDL 0.22 <0.13 0.33 8/25/2016 <0.12 <0.17 <0.13 <1.50 53 1.5 <0.12 <0.13 <0.12 3.0 <0.18 <0.13 0.30J 10/19/2017 <0.30 <0.20 <0.20 <0.60 33.7 0.47 <0.50 <0.10 <0.20 9.4 <0.30 <0.30 0.8 11/28/2018 0.60 <0.50 <0.50 <0.50 24.3 <0.50 <0.50 <0.50 <0.50 3.8 <0.50 <0.50 <0.50 9/30/2019 <0.50 <0.50 <0.50 <0.50 33.9 <0.50 <0.50 <0.50 <0.50 1.1 <0.50 <0.50 <0.50 11/8/2006 500 0.66 0.76 207 83 0.84 28 0.54 5.2 4.2 100 10 0.71 5/13/2008 439 BDL BDL 165.6 166 BDL 31.6 2.7 3.3 BDL 86.9 BDL BDL 11/11/2009 379 1.6 34.2 168.6 130 BDL 15.5 3.1 1.5 1.7 41.7 BDL 0.51 7/21/2011 56.5 BDL 2.3 30.5 39.5 BDL 3.4 BDL BDL 0.69 7.6 BDL BDL 2/27/2013 19 0.33J 0.15J 12.1 12 ND ND 0.24J 0.17J ND 3 1.8 ND 9/4/2013 ND ND ND ND ND ND ND ND ND NA ND ND ND 9/11/2014 3/7/2015 1/21/2016 8/25/2016 <0.12 <0.17 <0.13 <1.50 0.12J <0.18 <0.12 <0.13 <0.12 <0.19 <0.18 <0.13 <0.27 10/19/2017 <0.30 <0.20 <0.20 <0.60 0.46 <0.10 <0.50 <0.10 <0.20 <0.20 <0.30 <0.30 <0.20 11/28/2018 <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 <0.20 <0.50 <0.50 <0.50 9/30/2019 <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 <0.20 <0.50 <0.50 <0.50 1 600 600 500 20 70 6 70 70 0.4 400 400 0.7 5,000 260,000 84,500 85,500 20,000 70,000 6,000 30,000 25,000 400 28,500 25,000 700 Notes: 1. MTBE = Methyl Tertiary Butyl Ether. 2. IPE = Isopropyl Ether. 3. "<", BQL, BDL, or ND = Not detected at or above the laboratory detecton limit. 4. Concentrations are reported in micrograms per liter (ug/l) = parts per billion (ppb). 5. Concentrations in bold equal or exceed the corresponding NCDEQ Groundwater Quality 2L Standard (2L Standard). 6. GCL = Gross Contamination Level. 7. NE = Not established. Could Not Locate Could Not Locate MW-16 2L Standard Could Not Locate Could Not Locate Could Not Locate GCL FBW-2 FBW-1 MW-17 8. J = Indicates constituent was detected above laboratory detection limit but below laboratory reporting limit. Could Not Locate Could Not Locate Destroyed Not Sampled/Dry TABLE 5 NATURAL ATTENUATION PARAMETERS WESTERN BOULEVARD EXXON 5201 WESTERN BOULEVARD RALEIGH, WAKE COUNTY, NORTH CAROLINA NCDEQ INCIDENT #23182 MW-1 9/30/2019 ---------- MW-2 9/30/2019 23.0 1.05 103.6 6.66 -56.8 MW-3 9/30/2019 ---------- MW-4R 9/30/2019 ---------- MW-6R 9/30/2019 23.1 4.23 34.9 5.32 13.2 MW-7 9/30/2019 ---------- MW-12 9/30/2019 24.0 4.08 308.2 6.31 -27.2 MW-12R 9/30/2019 23.6 1.46 100.7 6.12 -31.5 MW-13 9/30/2019 24.5 1.11 106.4 6.63 -66.0 MW-14 9/30/2019 22.2 3.62 62.5 7.84 -21.2 MW-17 9/30/2019 22.3 2.71 84.6 5.86 -46.4 FBW-1 9/30/2019 24.0 5.47 56.2 5.36 20.9 FBW-2 9/30/2019 22.2 5.51 70.3 5.23 4.5 Notes: 1. mg/L = Milligrams per Liter. 2. °C = Degrees Celcius. 3. μS/cm3 = MicroSiemens per cubic centimeter. 4. mV = Millivolts. 5. Natural attenuation data was not collected for MW-1, MW-3, MW-4R, and MW-7 due to strong odors and presence of free product.ORP (mV)Well ID Date Sampled Temperature (oC)Dissolved Oxygen (mg/L)Conductivity (μS/cm3)pHPage 1 of 1 TABLE 6 HISTORICAL WATER SUPPLY WELL ANALYTICAL RESULTS WESTERN BOULEVARD EXXON 5201 WESTERN BOULEVARD RALEIGH, WAKE COUNTY, NORTH CAROLINA INCIDENT #23182 WELL ID Date Collected BenzeneTolueneEthylbenzeneXylenes (Total)MTBEIPENaphthalene1,2,4-TrimethylbenzeneTetrachloroetheneTrichloroetheneStyrene7/16/2002 11 7 4 13 34 2 1 5 NR NR NR 7/17/2003 15 1.5 4.1 9.1 2.5 21 ND 3.5 ND ND ND 7/17/2003 ND ND ND ND ND ND ND ND ND ND ND 7/28/2006 ND ND ND ND ND ND ND ND ND ND ND 7/16/2002 BQL BQL BQL BQL BQL BQL BQL BQL NR NR NR 7/17/2003 ND ND ND ND ND ND ND ND ND ND ND 3/11/2004 ND ND ND ND ND ND ND ND ND ND ND 11/8/2006 ND ND ND ND ND ND ND ND ND ND ND 5/13/2008 BDL BDL BDL BDL BDL BDL BDL BDL BDL NR NR 11/12/2009 BDL BDL BDL BDL BDL BDL BDL BDL BDL NR NR 7/21/2011 BDL BDL BDL BDL BDL BDL BDL BDL BDL NR NR 2/27/2013 NR NR NR NR NR NR NR NR NR 0.32J 0.68 9/4/2013 ND ND ND ND ND ND ND ND ND 0.6 ND 3/8/2015 BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL 1/21/2016 <0.50 <0.50 <0.50 <1.0 <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 8/25/2016 <0.12 <0.17 <0.13 <0.39 <0.090 <0.18 <0.12 <0.18 <0.27 <0.20 <0.15 10/19/2017 <0.30 <0.20 <0.20 <0.60 <0.20 <0.10 <0.50 <0.30 <0.20 0.12 <0.10 WSW-6 7/17/2003 ND ND ND ND ND ND ND ND 2.1 ND ND 7/17/2003 ND ND ND ND ND ND ND ND ND ND ND 9/2/2016 <0.12 <0.17 <0.13 <0.39 <0.090 <0.18 <0.12 <0.18 <0.27 <0.20 <0.15 10/19/2017 <0.30 <0.20 <0.20 <0.60 <0.20 <0.10 <0.50 <0.30 <0.20 <0.10 <0.10 1 600 600 500 20 70 6 400 0.7 3 70 5,000 260,000 84,500 85,500 20,000 70,000 6,000 28,500 700 3,000 70,000 Notes: 1. MTBE = Methyl Tertiary Butyl Ether. 2. IPE = Isopropyl Ether. 3. "<" , ND, BDL, or BQL = Not detected at or above the laboratory reporting limit or laboratory detection limit 4. Concentrations are reported in micrograms per liter (ug/l) = parts per billion (ppb). 5. Concentrations in bold equal or exceed the corresponding NCDENR Groundwater Quality 2L Standard (2L Standard). 6. GCL = Gross Contamination Limit. Abandoned WSW-1 WSW-3 2L Standard (µg/L) GCL (µg/L) WSW-7 WSW-4 Assumed Abandoned FIGURES 2725 E. Millbrook Road, Suite 121 Raleigh, NC 27604 (919) 871-0999 SITE TOPOGRAPHIC MAP PROJECT NO: SLP2318204 DATE: 11/6/2019 REVIEWED BY: GA Western Boulevard Exxon –Incident #23182 5201 Western Boulevard Raleigh, North Carolina FIGURE 1 SCALE: 1” = 770’ SITE N Source: My Free Topo.com CAD FILEPREP. BYTYPE CODEREV. BYSCALEPROJECT NO.TITLEDATENOTES: GEOTECHNICALENVIRONMENTAL MATERIALS TESTINGBUILDING SCIENCES2725 E. Millbrook Road, Suite 121(919) 871-0999 FAX (919) 871-0335Raleigh, North Carolina 2760430'60'0 SCALE IN FEET 0 SCALE IN FEET 0 SCALE IN FEET 0 SCALE IN FEET 0 SCALE IN FEET 0 SCALE IN FEET 2725 E. Millbrook Road, Suite 121 Raleigh, NC 27604 (919) 871-0999 POTENTIAL RECEPTOR MAP PROJECT NO: SLP2318204 DATE: 11/6/2019 REVIEWED BY: GA Western Boulevard Exxon –Incident #23182 5201 Western Boulevard Raleigh, North Carolina FIGURE 3 SCALE: 1” = 335’ SITE N Potable Water Supply Well Irrigation Water Supply Well Inactive Water Supply Well Abandoned Water Supply Well WSW-1 WSW-4 1,000 Foot Radius 500 Foot Radius WSW-3 WSW-6 WSW-7 Source: Wake County iMaps WSW-9 WSW-10 WSW-2 WSW-12 WSW-13 WSW-14 WSW-15 WSW-8 WSW-16 WSW-5 WSW-11 WSW-17 WSW-18 CAD FILEPREP. BYTYPE CODEREV. BYSCALEPROJECT NO.TITLEDATENOTES: GEOTECHNICALENVIRONMENTAL MATERIALS TESTINGBUILDING SCIENCES2725 E. Millbrook Road, Suite 121(919) 871-0999 FAX (919) 871-0335Raleigh, North Carolina 2760430'60'0 SCALE IN FEET 0 SCALE IN FEET 0 SCALE IN FEET 0 SCALE IN FEET 0 SCALE IN FEET 0 SCALE IN FEET CAD FILEPREP. BYTYPE CODEREV. BYSCALEPROJECT NO.TITLEDATENOTES: GEOTECHNICALENVIRONMENTAL MATERIALS TESTINGBUILDING SCIENCES2725 E. Millbrook Road, Suite 121(919) 871-0999 FAX (919) 871-0335Raleigh, North Carolina 2760430'60'0 SCALE IN FEET 0 SCALE IN FEET 0 SCALE IN FEET 0 SCALE IN FEET 0 SCALE IN FEET 0 SCALE IN FEET CAD FILEPREP. BYTYPE CODEREV. BYSCALEPROJECT NO.TITLEDATENOTES: GEOTECHNICALENVIRONMENTAL MATERIALS TESTINGBUILDING SCIENCES2725 E. Millbrook Road, Suite 121(919) 871-0999 FAX (919) 871-0335Raleigh, North Carolina 2760430'60'0 SCALE IN FEET 0 SCALE IN FEET 0 SCALE IN FEET 0 SCALE IN FEET 0 SCALE IN FEET 0 SCALE IN FEET APPENDIX A FIELD NOTES APPENDIX B LABORATORY ANALYTICAL RESULTS 10/08/19 Technical Report for ATC Group Services LLC Western Boulevard, 5201 Western Blvd, Raleigh, NC SGS Job Number: LA58138 Sampling Date: 09/30/19 Report to: ATC Group Services LLC. 2725 East Millbrook Road Suite 121 Raleigh, NC 27604 gabe.araos@atcassociates.com ATTN: Gabriel Araos Total number of pages in report: Certifications: LDEQ(2048), LDHH(LA150012), AR(14-045-04), AZ(AZ0805), FL(E87657), IL(200082), KY(#31), NC(487), SC(73004001), NJ(LA007), TX(T104704186-18-16), WV(257) This report shall not be reproduced, except in its entirety, without the written approval of SGS. Test results relate only to samples analyzed. SGS North America Inc. • 500 Ambassador Caffery • Scott, LA 70583 • tel: 337-237-4775 Test results contained within this data package meet the requirements of the National Environmental Laboratory Accreditation Program and/or state specific certification programs as applicable. Client Service contact: Amy Jackson 337-237-4775 Ron Benjamin Lab Director Scott, LA 10/08/19 e-Hardcopy 2.0 Automated Report 74 SGS is the sole authority for authorizing edits or modifications to this document. Unauthorized modification of this report is strictly prohibited. Review standard terms at: http://www.sgs.com/en/terms-and-conditions The results set forth herein are provided by SGS North America Inc. Please share your ideas about how we can serve you better at: EHS.US.CustomerCare@sgs.com 1 of 74 LA58138 Table of Contents -1- Sections: Section 1: Sample Summary ...................................................................................................3 Section 2: Summary of Hits ....................................................................................................5 Section 3: Sample Results ........................................................................................................8 3.1: LA58138-1: MW14 ......................................................................................................9 3.2: LA58138-2: MW17 ......................................................................................................12 3.3: LA58138-3: FBW2 .......................................................................................................15 3.4: LA58138-4: FBW1 .......................................................................................................18 3.5: LA58138-5: MW6R ......................................................................................................21 3.6: LA58138-6: MW12 ......................................................................................................24 3.7: LA58138-7: MW12R ....................................................................................................27 3.8: LA58138-8: MW13 ......................................................................................................30 3.9: LA58138-9: MW2 ........................................................................................................33 3.10: LA58138-10: MW4R ..................................................................................................36 3.11: LA58138-11: MW1 .....................................................................................................39 3.12: LA58138-12: MW3 ....................................................................................................42 3.13: LA58138-13: FIELD BLANK ....................................................................................45 Section 4: Misc. Forms ............................................................................................................48 4.1: Chain of Custody ...........................................................................................................49 Section 5: MS Volatiles - QC Data Summaries .....................................................................53 5.1: Method Blank Summary ................................................................................................54 5.2: Blank Spike/Blank Spike Duplicate Summary ..............................................................61 5.3: Matrix Spike/Matrix Spike Duplicate Summary ...........................................................68 123452 of 74 LA58138 SGS North America Inc. Sample Summary ATC Group Services LLC Job No:LA58138 Western Boulevard, 5201 Western Blvd, Raleigh, NC Sample Collected Matrix Client Number Date Time By Received Code Type Sample ID This report contains results reported as ND = Not detected. The following applies: Organics ND = Not detected above the RL LA58138-1 09/30/19 10:05 10/02/19 AQ Ground Water MW14 LA58138-2 09/30/19 10:40 10/02/19 AQ Ground Water MW17 LA58138-3 09/30/19 11:15 10/02/19 AQ Ground Water FBW2 LA58138-4 09/30/19 11:50 10/02/19 AQ Ground Water FBW1 LA58138-5 09/30/19 12:30 10/02/19 AQ Ground Water MW6R LA58138-6 09/30/19 13:05 10/02/19 AQ Ground Water MW12 LA58138-7 09/30/19 13:45 10/02/19 AQ Ground Water MW12R LA58138-8 09/30/19 14:45 10/02/19 AQ Ground Water MW13 LA58138-9 09/30/19 15:15 10/02/19 AQ Ground Water MW2 LA58138-10 09/30/19 15:45 10/02/19 AQ Ground Water MW4R LA58138-11 09/30/19 16:45 10/02/19 AQ Ground Water MW1 LA58138-12 09/30/19 17:05 10/02/19 AQ Ground Water MW3 3 of 74 LA581381 SGS North America Inc. Sample Summary (continued) ATC Group Services LLC Job No:LA58138 Western Boulevard, 5201 Western Blvd, Raleigh, NC Sample Collected Matrix Client Number Date Time By Received Code Type Sample ID LA58138-13 09/30/19 17:20 10/02/19 AQ Field Blank Water FIELD BLANK 4 of 74 LA581381 Summary of Hits Page 1 of 3 Job Number:LA58138 Account:ATC Group Services LLC Project:Western Boulevard, 5201 Western Blvd, Raleigh, NC Collected:09/30/19 Lab Sample ID Client Sample ID Result/ Analyte Qual RL MDL Units Method LA58138-1 MW14 1,2,4-Trimethylbenzene 3.5 0.50 ug/l SM 6200B 1,3,5-Trimethylbenzene 1.9 0.50 ug/l SM 6200B LA58138-2 MW17 Methyl Tert Butyl Ether 29.3 0.50 ug/l SM 6200B LA58138-3 FBW2 No hits reported in this sample. LA58138-4 FBW1 1,2-Dichloroethane 1.1 0.20 ug/l SM 6200B Methyl Tert Butyl Ether 33.9 0.50 ug/l SM 6200B LA58138-5 MW6R n-Butylbenzene 4.6 0.50 ug/l SM 6200B sec-Butylbenzene 3.3 0.50 ug/l SM 6200B Isopropylbenzene 2.3 0.50 ug/l SM 6200B p-Isopropyltoluene 1.8 0.50 ug/l SM 6200B n-Propylbenzene 6.9 0.50 ug/l SM 6200B 1,2,4-Trimethylbenzene 10.9 0.50 ug/l SM 6200B 1,3,5-Trimethylbenzene 12.4 0.50 ug/l SM 6200B Vinyl Acetate 5.1 0.50 ug/l SM 6200B LA58138-6 MW12 Methyl Tert Butyl Ether 0.75 0.50 ug/l SM 6200B LA58138-7 MW12R Ethylbenzene 1780 50 ug/l SM 6200B Isopropylbenzene 101 50 ug/l SM 6200B Naphthalene 387 50 ug/l SM 6200B n-Propylbenzene 267 50 ug/l SM 6200B Toluene 4140 50 ug/l SM 6200B 1,2,4-Trimethylbenzene 2290 50 ug/l SM 6200B 1,3,5-Trimethylbenzene 922 50 ug/l SM 6200B m,p-Xylene 5640 100 ug/l SM 6200B o-Xylene 3470 50 ug/l SM 6200B Xylene (total)9110 50 ug/l SM 6200B 5 of 74 LA581382 Summary of Hits Page 2 of 3 Job Number:LA58138 Account:ATC Group Services LLC Project:Western Boulevard, 5201 Western Blvd, Raleigh, NC Collected:09/30/19 Lab Sample ID Client Sample ID Result/ Analyte Qual RL MDL Units Method LA58138-8 MW13 sec-Butylbenzene 5.7 2.5 ug/l SM 6200B Ethylbenzene 198 2.5 ug/l SM 6200B Isopropylbenzene 35.8 2.5 ug/l SM 6200B Naphthalene 90.4 2.5 ug/l SM 6200B n-Propylbenzene 93.8 2.5 ug/l SM 6200B Toluene 11.9 2.5 ug/l SM 6200B 1,2,4-Trimethylbenzene 671 10 ug/l SM 6200B 1,3,5-Trimethylbenzene 312 2.5 ug/l SM 6200B m,p-Xylene 595 20 ug/l SM 6200B o-Xylene 106 2.5 ug/l SM 6200B Xylene (total)704 10 ug/l SM 6200B LA58138-9 MW2 Benzene 1.7 0.50 ug/l SM 6200B n-Butylbenzene 3.8 0.50 ug/l SM 6200B sec-Butylbenzene 2.5 0.50 ug/l SM 6200B Ethylbenzene 139 5.0 ug/l SM 6200B 2-Hexanone 6.6 1.0 ug/l SM 6200B Isopropylbenzene 11.3 0.50 ug/l SM 6200B p-Isopropyltoluene 1.5 0.50 ug/l SM 6200B Methyl Chloride 5.6 0.50 ug/l SM 6200B Naphthalene 32.3 0.50 ug/l SM 6200B n-Propylbenzene 23.0 0.50 ug/l SM 6200B Tetrachloroethylene 2.2 0.50 ug/l SM 6200B Toluene 51.7 0.50 ug/l SM 6200B 1,2,3-Trichloropropane 4.0 0.50 ug/l SM 6200B 1,2,4-Trimethylbenzene 164 5.0 ug/l SM 6200B 1,3,5-Trimethylbenzene 56.3 0.50 ug/l SM 6200B Vinyl Acetate 3.5 0.50 ug/l SM 6200B m,p-Xylene 501 10 ug/l SM 6200B o-Xylene 180 5.0 ug/l SM 6200B Xylene (total)682 5.0 ug/l SM 6200B LA58138-10 MW4R Benzene 146 2.5 ug/l SM 6200B sec-Butylbenzene 2.6 2.5 ug/l SM 6200B Di-Isopropyl Ether 127 2.5 ug/l SM 6200B Ethylbenzene 439 2.5 ug/l SM 6200B Isopropylbenzene 21.7 2.5 ug/l SM 6200B Methyl Tert Butyl Ether 25.9 2.5 ug/l SM 6200B 6 of 74 LA581382 Summary of Hits Page 3 of 3 Job Number:LA58138 Account:ATC Group Services LLC Project:Western Boulevard, 5201 Western Blvd, Raleigh, NC Collected:09/30/19 Lab Sample ID Client Sample ID Result/ Analyte Qual RL MDL Units Method Naphthalene 193 2.5 ug/l SM 6200B n-Propylbenzene 40.4 2.5 ug/l SM 6200B Toluene 170 2.5 ug/l SM 6200B 1,2,4-Trimethylbenzene 296 2.5 ug/l SM 6200B 1,3,5-Trimethylbenzene 152 2.5 ug/l SM 6200B m,p-Xylene 400 5.0 ug/l SM 6200B o-Xylene 567 10 ug/l SM 6200B Xylene (total)966 10 ug/l SM 6200B LA58138-11 MW1 Benzene 4840 250 ug/l SM 6200B Di-Isopropyl Ether 2220 250 ug/l SM 6200B Ethylbenzene 631 250 ug/l SM 6200B Naphthalene 1190 250 ug/l SM 6200B Toluene 18700 250 ug/l SM 6200B 1,2,4-Trimethylbenzene 3040 250 ug/l SM 6200B 1,3,5-Trimethylbenzene 1110 250 ug/l SM 6200B m,p-Xylene 9770 500 ug/l SM 6200B o-Xylene 6590 250 ug/l SM 6200B Xylene (total)16400 250 ug/l SM 6200B LA58138-12 MW3 Benzene 8640 500 ug/l SM 6200B Di-Isopropyl Ether 6220 500 ug/l SM 6200B Ethylbenzene 4500 500 ug/l SM 6200B Methyl Tert Butyl Ether 11700 500 ug/l SM 6200B Naphthalene 760 500 ug/l SM 6200B Toluene 66300 500 ug/l SM 6200B 1,2,4-Trimethylbenzene 3560 500 ug/l SM 6200B 1,3,5-Trimethylbenzene 963 500 ug/l SM 6200B m,p-Xylene 19000 1000 ug/l SM 6200B o-Xylene 9120 500 ug/l SM 6200B Xylene (total)28100 500 ug/l SM 6200B LA58138-13 FIELD BLANK Toluene 0.97 0.50 ug/l SM 6200B 7 of 74 LA581382 SGS North America Inc. Sample Results Report of Analysis Scott, LA Section 3 8 of 74 LA581383 SGS North America Inc. Report of Analysis Page 1 of 3 Client Sample ID:MW14 Lab Sample ID:LA58138-1 Date Sampled:09/30/19 Matrix:AQ - Ground Water Date Received:10/02/19 Method:SM 6200B Percent Solids:n/a Project:Western Boulevard, 5201 Western Blvd, Raleigh, NC File ID DF Analyzed By Prep Date Prep Batch Analytical Batch Run #1 2K0118578.D 1 10/06/19 02:36 PJ n/a n/a V2K2111 Run #2 Purge Volume Run #1 25.0 ml Run #2 VOA Special List CAS No.Compound Result RL Units Q 67-64-1 Acetone ND 10 ug/l 71-43-2 Benzene ND 0.50 ug/l 108-86-1 Bromobenzene ND 0.50 ug/l 74-97-5 Bromochloromethane ND 0.50 ug/l 75-27-4 Bromodichloromethane ND 0.50 ug/l 75-25-2 Bromoform ND 0.50 ug/l 104-51-8 n-Butylbenzene ND 0.50 ug/l 135-98-8 sec-Butylbenzene ND 0.50 ug/l 98-06-6 tert-Butylbenzene ND 0.50 ug/l 56-23-5 Carbon Tetrachloride ND 0.20 ug/l 108-90-7 Chlorobenzene ND 0.50 ug/l 75-00-3 Chloroethane ND 0.50 ug/l 67-66-3 Chloroform ND 0.50 ug/l 95-49-8 o-Chlorotoluene ND 0.50 ug/l 106-43-4 p-Chlorotoluene ND 0.50 ug/l 124-48-1 Dibromochloromethane ND 0.20 ug/l 96-12-8 1,2-Dibromo-3-chloropropane ND 0.50 ug/l 106-93-4 1,2-Dibromoethane ND 0.50 ug/l 75-71-8 Dichlorodifluoromethane ND 0.50 ug/l 541-73-1 m-Dichlorobenzene ND 0.50 ug/l 95-50-1 o-Dichlorobenzene ND 0.50 ug/l 106-46-7 p-Dichlorobenzene ND 0.50 ug/l 75-34-3 1,1-Dichloroethane ND 0.50 ug/l 107-06-2 1,2-Dichloroethane ND 0.20 ug/l 75-35-4 1,1-Dichloroethylene ND 0.50 ug/l 156-59-2 cis-1,2-Dichloroethylene ND 0.50 ug/l 156-60-5 trans-1,2-Dichloroethylene ND 0.50 ug/l 78-87-5 1,2-Dichloropropane ND 0.30 ug/l 142-28-9 1,3-Dichloropropane ND 0.50 ug/l 594-20-7 2,2-Dichloropropane ND 0.50 ug/l 563-58-6 1,1-Dichloropropene ND 0.50 ug/l 10061-01-5 cis-1,3-Dichloropropene ND 0.20 ug/l ND = Not detected J = Indicates an estimated value RL = Reporting Limit B = Indicates analyte found in associated method blank E = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound 9 of 74 LA5813833.1 SGS North America Inc. Report of Analysis Page 2 of 3 Client Sample ID:MW14 Lab Sample ID:LA58138-1 Date Sampled:09/30/19 Matrix:AQ - Ground Water Date Received:10/02/19 Method:SM 6200B Percent Solids:n/a Project:Western Boulevard, 5201 Western Blvd, Raleigh, NC VOA Special List CAS No.Compound Result RL Units Q 10061-02-6 trans-1,3-Dichloropropene ND 0.20 ug/l 108-20-3 Di-Isopropyl Ether ND 0.50 ug/l 64-17-5 Ethyl Alcohol ND 50 ug/l 100-41-4 Ethylbenzene ND 0.50 ug/l 591-78-6 2-Hexanone ND 1.0 ug/l 87-68-3 Hexachlorobutadiene ND 0.20 ug/l 98-82-8 Isopropylbenzene ND 0.50 ug/l 99-87-6 p-Isopropyltoluene ND 0.50 ug/l 74-83-9 Methyl Bromide ND 0.50 ug/l 74-87-3 Methyl Chloride ND 0.50 ug/l 74-95-3 Methylene Bromide ND 0.50 ug/l 75-09-2 Methylene Chloride ND 0.50 ug/l 78-93-3 Methyl Ethyl Ketone ND 25 ug/l 108-10-1 4-Methyl-2-pentanone ND 0.50 ug/l 1634-04-4 Methyl Tert Butyl Ether ND 0.50 ug/l 91-20-3 Naphthalene ND 0.50 ug/l 103-65-1 n-Propylbenzene ND 0.50 ug/l 100-42-5 Styrene ND 0.50 ug/l 630-20-6 1,1,1,2-Tetrachloroethane ND 0.50 ug/l 79-34-5 1,1,2,2-Tetrachloroethane ND 0.20 ug/l 127-18-4 Tetrachloroethylene ND 0.50 ug/l 108-88-3 Toluene ND 0.50 ug/l 87-61-6 1,2,3-Trichlorobenzene ND 0.50 ug/l 120-82-1 1,2,4-Trichlorobenzene ND 0.50 ug/l 71-55-6 1,1,1-Trichloroethane ND 0.50 ug/l 79-00-5 1,1,2-Trichloroethane ND 0.30 ug/l 79-01-6 Trichloroethylene ND 0.50 ug/l 75-69-4 Trichlorofluoromethane ND 0.50 ug/l 96-18-4 1,2,3-Trichloropropane ND 0.50 ug/l 95-63-6 1,2,4-Trimethylbenzene 3.5 0.50 ug/l 108-67-8 1,3,5-Trimethylbenzene 1.9 0.50 ug/l 108-05-4 Vinyl Acetate ND 0.50 ug/l 75-01-4 Vinyl Chloride ND 0.10 ug/l m,p-Xylene ND 1.0 ug/l 95-47-6 o-Xylene ND 0.50 ug/l 1330-20-7 Xylene (total)ND 0.50 ug/l CAS No.Surrogate Recoveries Run# 1 Run# 2 Limits 17060-07-0 1,2-Dichloroethane-D4 93%70-130% ND = Not detected J = Indicates an estimated value RL = Reporting Limit B = Indicates analyte found in associated method blank E = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound 10 of 74 LA5813833.1 SGS North America Inc. Report of Analysis Page 3 of 3 Client Sample ID:MW14 Lab Sample ID:LA58138-1 Date Sampled:09/30/19 Matrix:AQ - Ground Water Date Received:10/02/19 Method:SM 6200B Percent Solids:n/a Project:Western Boulevard, 5201 Western Blvd, Raleigh, NC VOA Special List CAS No.Surrogate Recoveries Run# 1 Run# 2 Limits 2037-26-5 Toluene-D8 94%70-130% 460-00-4 4-Bromofluorobenzene 97%70-130% ND = Not detected J = Indicates an estimated value RL = Reporting Limit B = Indicates analyte found in associated method blank E = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound 11 of 74 LA5813833.1 SGS North America Inc. Report of Analysis Page 1 of 3 Client Sample ID:MW17 Lab Sample ID:LA58138-2 Date Sampled:09/30/19 Matrix:AQ - Ground Water Date Received:10/02/19 Method:SM 6200B Percent Solids:n/a Project:Western Boulevard, 5201 Western Blvd, Raleigh, NC File ID DF Analyzed By Prep Date Prep Batch Analytical Batch Run #1 2K0118579.D 1 10/06/19 03:09 PJ n/a n/a V2K2111 Run #2 Purge Volume Run #1 25.0 ml Run #2 VOA Special List CAS No.Compound Result RL Units Q 67-64-1 Acetone ND 10 ug/l 71-43-2 Benzene ND 0.50 ug/l 108-86-1 Bromobenzene ND 0.50 ug/l 74-97-5 Bromochloromethane ND 0.50 ug/l 75-27-4 Bromodichloromethane ND 0.50 ug/l 75-25-2 Bromoform ND 0.50 ug/l 104-51-8 n-Butylbenzene ND 0.50 ug/l 135-98-8 sec-Butylbenzene ND 0.50 ug/l 98-06-6 tert-Butylbenzene ND 0.50 ug/l 56-23-5 Carbon Tetrachloride ND 0.20 ug/l 108-90-7 Chlorobenzene ND 0.50 ug/l 75-00-3 Chloroethane ND 0.50 ug/l 67-66-3 Chloroform ND 0.50 ug/l 95-49-8 o-Chlorotoluene ND 0.50 ug/l 106-43-4 p-Chlorotoluene ND 0.50 ug/l 124-48-1 Dibromochloromethane ND 0.20 ug/l 96-12-8 1,2-Dibromo-3-chloropropane ND 0.50 ug/l 106-93-4 1,2-Dibromoethane ND 0.50 ug/l 75-71-8 Dichlorodifluoromethane ND 0.50 ug/l 541-73-1 m-Dichlorobenzene ND 0.50 ug/l 95-50-1 o-Dichlorobenzene ND 0.50 ug/l 106-46-7 p-Dichlorobenzene ND 0.50 ug/l 75-34-3 1,1-Dichloroethane ND 0.50 ug/l 107-06-2 1,2-Dichloroethane ND 0.20 ug/l 75-35-4 1,1-Dichloroethylene ND 0.50 ug/l 156-59-2 cis-1,2-Dichloroethylene ND 0.50 ug/l 156-60-5 trans-1,2-Dichloroethylene ND 0.50 ug/l 78-87-5 1,2-Dichloropropane ND 0.30 ug/l 142-28-9 1,3-Dichloropropane ND 0.50 ug/l 594-20-7 2,2-Dichloropropane ND 0.50 ug/l 563-58-6 1,1-Dichloropropene ND 0.50 ug/l 10061-01-5 cis-1,3-Dichloropropene ND 0.20 ug/l ND = Not detected J = Indicates an estimated value RL = Reporting Limit B = Indicates analyte found in associated method blank E = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound 12 of 74 LA5813833.2 SGS North America Inc. Report of Analysis Page 2 of 3 Client Sample ID:MW17 Lab Sample ID:LA58138-2 Date Sampled:09/30/19 Matrix:AQ - Ground Water Date Received:10/02/19 Method:SM 6200B Percent Solids:n/a Project:Western Boulevard, 5201 Western Blvd, Raleigh, NC VOA Special List CAS No.Compound Result RL Units Q 10061-02-6 trans-1,3-Dichloropropene ND 0.20 ug/l 108-20-3 Di-Isopropyl Ether ND 0.50 ug/l 64-17-5 Ethyl Alcohol ND 50 ug/l 100-41-4 Ethylbenzene ND 0.50 ug/l 591-78-6 2-Hexanone ND 1.0 ug/l 87-68-3 Hexachlorobutadiene ND 0.20 ug/l 98-82-8 Isopropylbenzene ND 0.50 ug/l 99-87-6 p-Isopropyltoluene ND 0.50 ug/l 74-83-9 Methyl Bromide ND 0.50 ug/l 74-87-3 Methyl Chloride ND 0.50 ug/l 74-95-3 Methylene Bromide ND 0.50 ug/l 75-09-2 Methylene Chloride ND 0.50 ug/l 78-93-3 Methyl Ethyl Ketone ND 25 ug/l 108-10-1 4-Methyl-2-pentanone ND 0.50 ug/l 1634-04-4 Methyl Tert Butyl Ether 29.3 0.50 ug/l 91-20-3 Naphthalene ND 0.50 ug/l 103-65-1 n-Propylbenzene ND 0.50 ug/l 100-42-5 Styrene ND 0.50 ug/l 630-20-6 1,1,1,2-Tetrachloroethane ND 0.50 ug/l 79-34-5 1,1,2,2-Tetrachloroethane ND 0.20 ug/l 127-18-4 Tetrachloroethylene ND 0.50 ug/l 108-88-3 Toluene ND 0.50 ug/l 87-61-6 1,2,3-Trichlorobenzene ND 0.50 ug/l 120-82-1 1,2,4-Trichlorobenzene ND 0.50 ug/l 71-55-6 1,1,1-Trichloroethane ND 0.50 ug/l 79-00-5 1,1,2-Trichloroethane ND 0.30 ug/l 79-01-6 Trichloroethylene ND 0.50 ug/l 75-69-4 Trichlorofluoromethane ND 0.50 ug/l 96-18-4 1,2,3-Trichloropropane ND 0.50 ug/l 95-63-6 1,2,4-Trimethylbenzene ND 0.50 ug/l 108-67-8 1,3,5-Trimethylbenzene ND 0.50 ug/l 108-05-4 Vinyl Acetate ND 0.50 ug/l 75-01-4 Vinyl Chloride ND 0.10 ug/l m,p-Xylene ND 1.0 ug/l 95-47-6 o-Xylene ND 0.50 ug/l 1330-20-7 Xylene (total)ND 0.50 ug/l CAS No.Surrogate Recoveries Run# 1 Run# 2 Limits 17060-07-0 1,2-Dichloroethane-D4 97%70-130% ND = Not detected J = Indicates an estimated value RL = Reporting Limit B = Indicates analyte found in associated method blank E = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound 13 of 74 LA5813833.2 SGS North America Inc. Report of Analysis Page 3 of 3 Client Sample ID:MW17 Lab Sample ID:LA58138-2 Date Sampled:09/30/19 Matrix:AQ - Ground Water Date Received:10/02/19 Method:SM 6200B Percent Solids:n/a Project:Western Boulevard, 5201 Western Blvd, Raleigh, NC VOA Special List CAS No.Surrogate Recoveries Run# 1 Run# 2 Limits 2037-26-5 Toluene-D8 93%70-130% 460-00-4 4-Bromofluorobenzene 96%70-130% ND = Not detected J = Indicates an estimated value RL = Reporting Limit B = Indicates analyte found in associated method blank E = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound 14 of 74 LA5813833.2 SGS North America Inc. Report of Analysis Page 1 of 3 Client Sample ID:FBW2 Lab Sample ID:LA58138-3 Date Sampled:09/30/19 Matrix:AQ - Ground Water Date Received:10/02/19 Method:SM 6200B Percent Solids:n/a Project:Western Boulevard, 5201 Western Blvd, Raleigh, NC File ID DF Analyzed By Prep Date Prep Batch Analytical Batch Run #1 2K0118580.D 1 10/06/19 03:41 PJ n/a n/a V2K2111 Run #2 Purge Volume Run #1 25.0 ml Run #2 VOA Special List CAS No.Compound Result RL Units Q 67-64-1 Acetone ND 10 ug/l 71-43-2 Benzene ND 0.50 ug/l 108-86-1 Bromobenzene ND 0.50 ug/l 74-97-5 Bromochloromethane ND 0.50 ug/l 75-27-4 Bromodichloromethane ND 0.50 ug/l 75-25-2 Bromoform ND 0.50 ug/l 104-51-8 n-Butylbenzene ND 0.50 ug/l 135-98-8 sec-Butylbenzene ND 0.50 ug/l 98-06-6 tert-Butylbenzene ND 0.50 ug/l 56-23-5 Carbon Tetrachloride ND 0.20 ug/l 108-90-7 Chlorobenzene ND 0.50 ug/l 75-00-3 Chloroethane ND 0.50 ug/l 67-66-3 Chloroform ND 0.50 ug/l 95-49-8 o-Chlorotoluene ND 0.50 ug/l 106-43-4 p-Chlorotoluene ND 0.50 ug/l 124-48-1 Dibromochloromethane ND 0.20 ug/l 96-12-8 1,2-Dibromo-3-chloropropane ND 0.50 ug/l 106-93-4 1,2-Dibromoethane ND 0.50 ug/l 75-71-8 Dichlorodifluoromethane ND 0.50 ug/l 541-73-1 m-Dichlorobenzene ND 0.50 ug/l 95-50-1 o-Dichlorobenzene ND 0.50 ug/l 106-46-7 p-Dichlorobenzene ND 0.50 ug/l 75-34-3 1,1-Dichloroethane ND 0.50 ug/l 107-06-2 1,2-Dichloroethane ND 0.20 ug/l 75-35-4 1,1-Dichloroethylene ND 0.50 ug/l 156-59-2 cis-1,2-Dichloroethylene ND 0.50 ug/l 156-60-5 trans-1,2-Dichloroethylene ND 0.50 ug/l 78-87-5 1,2-Dichloropropane ND 0.30 ug/l 142-28-9 1,3-Dichloropropane ND 0.50 ug/l 594-20-7 2,2-Dichloropropane ND 0.50 ug/l 563-58-6 1,1-Dichloropropene ND 0.50 ug/l 10061-01-5 cis-1,3-Dichloropropene ND 0.20 ug/l ND = Not detected J = Indicates an estimated value RL = Reporting Limit B = Indicates analyte found in associated method blank E = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound 15 of 74 LA5813833.3 SGS North America Inc. Report of Analysis Page 2 of 3 Client Sample ID:FBW2 Lab Sample ID:LA58138-3 Date Sampled:09/30/19 Matrix:AQ - Ground Water Date Received:10/02/19 Method:SM 6200B Percent Solids:n/a Project:Western Boulevard, 5201 Western Blvd, Raleigh, NC VOA Special List CAS No.Compound Result RL Units Q 10061-02-6 trans-1,3-Dichloropropene ND 0.20 ug/l 108-20-3 Di-Isopropyl Ether ND 0.50 ug/l 64-17-5 Ethyl Alcohol ND 50 ug/l 100-41-4 Ethylbenzene ND 0.50 ug/l 591-78-6 2-Hexanone ND 1.0 ug/l 87-68-3 Hexachlorobutadiene ND 0.20 ug/l 98-82-8 Isopropylbenzene ND 0.50 ug/l 99-87-6 p-Isopropyltoluene ND 0.50 ug/l 74-83-9 Methyl Bromide ND 0.50 ug/l 74-87-3 Methyl Chloride ND 0.50 ug/l 74-95-3 Methylene Bromide ND 0.50 ug/l 75-09-2 Methylene Chloride ND 0.50 ug/l 78-93-3 Methyl Ethyl Ketone ND 25 ug/l 108-10-1 4-Methyl-2-pentanone ND 0.50 ug/l 1634-04-4 Methyl Tert Butyl Ether ND 0.50 ug/l 91-20-3 Naphthalene ND 0.50 ug/l 103-65-1 n-Propylbenzene ND 0.50 ug/l 100-42-5 Styrene ND 0.50 ug/l 630-20-6 1,1,1,2-Tetrachloroethane ND 0.50 ug/l 79-34-5 1,1,2,2-Tetrachloroethane ND 0.20 ug/l 127-18-4 Tetrachloroethylene ND 0.50 ug/l 108-88-3 Toluene ND 0.50 ug/l 87-61-6 1,2,3-Trichlorobenzene ND 0.50 ug/l 120-82-1 1,2,4-Trichlorobenzene ND 0.50 ug/l 71-55-6 1,1,1-Trichloroethane ND 0.50 ug/l 79-00-5 1,1,2-Trichloroethane ND 0.30 ug/l 79-01-6 Trichloroethylene ND 0.50 ug/l 75-69-4 Trichlorofluoromethane ND 0.50 ug/l 96-18-4 1,2,3-Trichloropropane ND 0.50 ug/l 95-63-6 1,2,4-Trimethylbenzene ND 0.50 ug/l 108-67-8 1,3,5-Trimethylbenzene ND 0.50 ug/l 108-05-4 Vinyl Acetate ND 0.50 ug/l 75-01-4 Vinyl Chloride ND 0.10 ug/l m,p-Xylene ND 1.0 ug/l 95-47-6 o-Xylene ND 0.50 ug/l 1330-20-7 Xylene (total)ND 0.50 ug/l CAS No.Surrogate Recoveries Run# 1 Run# 2 Limits 17060-07-0 1,2-Dichloroethane-D4 95%70-130% ND = Not detected J = Indicates an estimated value RL = Reporting Limit B = Indicates analyte found in associated method blank E = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound 16 of 74 LA5813833.3 SGS North America Inc. Report of Analysis Page 3 of 3 Client Sample ID:FBW2 Lab Sample ID:LA58138-3 Date Sampled:09/30/19 Matrix:AQ - Ground Water Date Received:10/02/19 Method:SM 6200B Percent Solids:n/a Project:Western Boulevard, 5201 Western Blvd, Raleigh, NC VOA Special List CAS No.Surrogate Recoveries Run# 1 Run# 2 Limits 2037-26-5 Toluene-D8 93%70-130% 460-00-4 4-Bromofluorobenzene 96%70-130% ND = Not detected J = Indicates an estimated value RL = Reporting Limit B = Indicates analyte found in associated method blank E = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound 17 of 74 LA5813833.3 SGS North America Inc. Report of Analysis Page 1 of 3 Client Sample ID:FBW1 Lab Sample ID:LA58138-4 Date Sampled:09/30/19 Matrix:AQ - Ground Water Date Received:10/02/19 Method:SM 6200B Percent Solids:n/a Project:Western Boulevard, 5201 Western Blvd, Raleigh, NC File ID DF Analyzed By Prep Date Prep Batch Analytical Batch Run #1 2K0118581.D 1 10/06/19 04:14 PJ n/a n/a V2K2111 Run #2 Purge Volume Run #1 25.0 ml Run #2 VOA Special List CAS No.Compound Result RL Units Q 67-64-1 Acetone ND 10 ug/l 71-43-2 Benzene ND 0.50 ug/l 108-86-1 Bromobenzene ND 0.50 ug/l 74-97-5 Bromochloromethane ND 0.50 ug/l 75-27-4 Bromodichloromethane ND 0.50 ug/l 75-25-2 Bromoform ND 0.50 ug/l 104-51-8 n-Butylbenzene ND 0.50 ug/l 135-98-8 sec-Butylbenzene ND 0.50 ug/l 98-06-6 tert-Butylbenzene ND 0.50 ug/l 56-23-5 Carbon Tetrachloride ND 0.20 ug/l 108-90-7 Chlorobenzene ND 0.50 ug/l 75-00-3 Chloroethane ND 0.50 ug/l 67-66-3 Chloroform ND 0.50 ug/l 95-49-8 o-Chlorotoluene ND 0.50 ug/l 106-43-4 p-Chlorotoluene ND 0.50 ug/l 124-48-1 Dibromochloromethane ND 0.20 ug/l 96-12-8 1,2-Dibromo-3-chloropropane ND 0.50 ug/l 106-93-4 1,2-Dibromoethane ND 0.50 ug/l 75-71-8 Dichlorodifluoromethane ND 0.50 ug/l 541-73-1 m-Dichlorobenzene ND 0.50 ug/l 95-50-1 o-Dichlorobenzene ND 0.50 ug/l 106-46-7 p-Dichlorobenzene ND 0.50 ug/l 75-34-3 1,1-Dichloroethane ND 0.50 ug/l 107-06-2 1,2-Dichloroethane 1.1 0.20 ug/l 75-35-4 1,1-Dichloroethylene ND 0.50 ug/l 156-59-2 cis-1,2-Dichloroethylene ND 0.50 ug/l 156-60-5 trans-1,2-Dichloroethylene ND 0.50 ug/l 78-87-5 1,2-Dichloropropane ND 0.30 ug/l 142-28-9 1,3-Dichloropropane ND 0.50 ug/l 594-20-7 2,2-Dichloropropane ND 0.50 ug/l 563-58-6 1,1-Dichloropropene ND 0.50 ug/l 10061-01-5 cis-1,3-Dichloropropene ND 0.20 ug/l ND = Not detected J = Indicates an estimated value RL = Reporting Limit B = Indicates analyte found in associated method blank E = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound 18 of 74 LA5813833.4 SGS North America Inc. Report of Analysis Page 2 of 3 Client Sample ID:FBW1 Lab Sample ID:LA58138-4 Date Sampled:09/30/19 Matrix:AQ - Ground Water Date Received:10/02/19 Method:SM 6200B Percent Solids:n/a Project:Western Boulevard, 5201 Western Blvd, Raleigh, NC VOA Special List CAS No.Compound Result RL Units Q 10061-02-6 trans-1,3-Dichloropropene ND 0.20 ug/l 108-20-3 Di-Isopropyl Ether ND 0.50 ug/l 64-17-5 Ethyl Alcohol ND 50 ug/l 100-41-4 Ethylbenzene ND 0.50 ug/l 591-78-6 2-Hexanone ND 1.0 ug/l 87-68-3 Hexachlorobutadiene ND 0.20 ug/l 98-82-8 Isopropylbenzene ND 0.50 ug/l 99-87-6 p-Isopropyltoluene ND 0.50 ug/l 74-83-9 Methyl Bromide ND 0.50 ug/l 74-87-3 Methyl Chloride ND 0.50 ug/l 74-95-3 Methylene Bromide ND 0.50 ug/l 75-09-2 Methylene Chloride ND 0.50 ug/l 78-93-3 Methyl Ethyl Ketone ND 25 ug/l 108-10-1 4-Methyl-2-pentanone ND 0.50 ug/l 1634-04-4 Methyl Tert Butyl Ether 33.9 0.50 ug/l 91-20-3 Naphthalene ND 0.50 ug/l 103-65-1 n-Propylbenzene ND 0.50 ug/l 100-42-5 Styrene ND 0.50 ug/l 630-20-6 1,1,1,2-Tetrachloroethane ND 0.50 ug/l 79-34-5 1,1,2,2-Tetrachloroethane ND 0.20 ug/l 127-18-4 Tetrachloroethylene ND 0.50 ug/l 108-88-3 Toluene ND 0.50 ug/l 87-61-6 1,2,3-Trichlorobenzene ND 0.50 ug/l 120-82-1 1,2,4-Trichlorobenzene ND 0.50 ug/l 71-55-6 1,1,1-Trichloroethane ND 0.50 ug/l 79-00-5 1,1,2-Trichloroethane ND 0.30 ug/l 79-01-6 Trichloroethylene ND 0.50 ug/l 75-69-4 Trichlorofluoromethane ND 0.50 ug/l 96-18-4 1,2,3-Trichloropropane ND 0.50 ug/l 95-63-6 1,2,4-Trimethylbenzene ND 0.50 ug/l 108-67-8 1,3,5-Trimethylbenzene ND 0.50 ug/l 108-05-4 Vinyl Acetate ND 0.50 ug/l 75-01-4 Vinyl Chloride ND 0.10 ug/l m,p-Xylene ND 1.0 ug/l 95-47-6 o-Xylene ND 0.50 ug/l 1330-20-7 Xylene (total)ND 0.50 ug/l CAS No.Surrogate Recoveries Run# 1 Run# 2 Limits 17060-07-0 1,2-Dichloroethane-D4 97%70-130% ND = Not detected J = Indicates an estimated value RL = Reporting Limit B = Indicates analyte found in associated method blank E = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound 19 of 74 LA5813833.4 SGS North America Inc. Report of Analysis Page 3 of 3 Client Sample ID:FBW1 Lab Sample ID:LA58138-4 Date Sampled:09/30/19 Matrix:AQ - Ground Water Date Received:10/02/19 Method:SM 6200B Percent Solids:n/a Project:Western Boulevard, 5201 Western Blvd, Raleigh, NC VOA Special List CAS No.Surrogate Recoveries Run# 1 Run# 2 Limits 2037-26-5 Toluene-D8 93%70-130% 460-00-4 4-Bromofluorobenzene 94%70-130% ND = Not detected J = Indicates an estimated value RL = Reporting Limit B = Indicates analyte found in associated method blank E = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound 20 of 74 LA5813833.4 SGS North America Inc. Report of Analysis Page 1 of 3 Client Sample ID:MW6R Lab Sample ID:LA58138-5 Date Sampled:09/30/19 Matrix:AQ - Ground Water Date Received:10/02/19 Method:SM 6200B Percent Solids:n/a Project:Western Boulevard, 5201 Western Blvd, Raleigh, NC File ID DF Analyzed By Prep Date Prep Batch Analytical Batch Run #1 2K0118582.D 1 10/06/19 04:46 PJ n/a n/a V2K2111 Run #2 Purge Volume Run #1 25.0 ml Run #2 VOA Special List CAS No.Compound Result RL Units Q 67-64-1 Acetone ND 10 ug/l 71-43-2 Benzene ND 0.50 ug/l 108-86-1 Bromobenzene ND 0.50 ug/l 74-97-5 Bromochloromethane ND 0.50 ug/l 75-27-4 Bromodichloromethane ND 0.50 ug/l 75-25-2 Bromoform ND 0.50 ug/l 104-51-8 n-Butylbenzene 4.6 0.50 ug/l 135-98-8 sec-Butylbenzene 3.3 0.50 ug/l 98-06-6 tert-Butylbenzene ND 0.50 ug/l 56-23-5 Carbon Tetrachloride ND 0.20 ug/l 108-90-7 Chlorobenzene ND 0.50 ug/l 75-00-3 Chloroethane ND 0.50 ug/l 67-66-3 Chloroform ND 0.50 ug/l 95-49-8 o-Chlorotoluene ND 0.50 ug/l 106-43-4 p-Chlorotoluene ND 0.50 ug/l 124-48-1 Dibromochloromethane ND 0.20 ug/l 96-12-8 1,2-Dibromo-3-chloropropane ND 0.50 ug/l 106-93-4 1,2-Dibromoethane ND 0.50 ug/l 75-71-8 Dichlorodifluoromethane ND 0.50 ug/l 541-73-1 m-Dichlorobenzene ND 0.50 ug/l 95-50-1 o-Dichlorobenzene ND 0.50 ug/l 106-46-7 p-Dichlorobenzene ND 0.50 ug/l 75-34-3 1,1-Dichloroethane ND 0.50 ug/l 107-06-2 1,2-Dichloroethane ND 0.20 ug/l 75-35-4 1,1-Dichloroethylene ND 0.50 ug/l 156-59-2 cis-1,2-Dichloroethylene ND 0.50 ug/l 156-60-5 trans-1,2-Dichloroethylene ND 0.50 ug/l 78-87-5 1,2-Dichloropropane ND 0.30 ug/l 142-28-9 1,3-Dichloropropane ND 0.50 ug/l 594-20-7 2,2-Dichloropropane ND 0.50 ug/l 563-58-6 1,1-Dichloropropene ND 0.50 ug/l 10061-01-5 cis-1,3-Dichloropropene ND 0.20 ug/l ND = Not detected J = Indicates an estimated value RL = Reporting Limit B = Indicates analyte found in associated method blank E = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound 21 of 74 LA5813833.5 SGS North America Inc. Report of Analysis Page 2 of 3 Client Sample ID:MW6R Lab Sample ID:LA58138-5 Date Sampled:09/30/19 Matrix:AQ - Ground Water Date Received:10/02/19 Method:SM 6200B Percent Solids:n/a Project:Western Boulevard, 5201 Western Blvd, Raleigh, NC VOA Special List CAS No.Compound Result RL Units Q 10061-02-6 trans-1,3-Dichloropropene ND 0.20 ug/l 108-20-3 Di-Isopropyl Ether ND 0.50 ug/l 64-17-5 Ethyl Alcohol ND 50 ug/l 100-41-4 Ethylbenzene ND 0.50 ug/l 591-78-6 2-Hexanone ND 1.0 ug/l 87-68-3 Hexachlorobutadiene ND 0.20 ug/l 98-82-8 Isopropylbenzene 2.3 0.50 ug/l 99-87-6 p-Isopropyltoluene 1.8 0.50 ug/l 74-83-9 Methyl Bromide ND 0.50 ug/l 74-87-3 Methyl Chloride ND 0.50 ug/l 74-95-3 Methylene Bromide ND 0.50 ug/l 75-09-2 Methylene Chloride ND 0.50 ug/l 78-93-3 Methyl Ethyl Ketone ND 25 ug/l 108-10-1 4-Methyl-2-pentanone ND 0.50 ug/l 1634-04-4 Methyl Tert Butyl Ether ND 0.50 ug/l 91-20-3 Naphthalene ND 0.50 ug/l 103-65-1 n-Propylbenzene 6.9 0.50 ug/l 100-42-5 Styrene ND 0.50 ug/l 630-20-6 1,1,1,2-Tetrachloroethane ND 0.50 ug/l 79-34-5 1,1,2,2-Tetrachloroethane ND 0.20 ug/l 127-18-4 Tetrachloroethylene ND 0.50 ug/l 108-88-3 Toluene ND 0.50 ug/l 87-61-6 1,2,3-Trichlorobenzene ND 0.50 ug/l 120-82-1 1,2,4-Trichlorobenzene ND 0.50 ug/l 71-55-6 1,1,1-Trichloroethane ND 0.50 ug/l 79-00-5 1,1,2-Trichloroethane ND 0.30 ug/l 79-01-6 Trichloroethylene ND 0.50 ug/l 75-69-4 Trichlorofluoromethane ND 0.50 ug/l 96-18-4 1,2,3-Trichloropropane ND 0.50 ug/l 95-63-6 1,2,4-Trimethylbenzene 10.9 0.50 ug/l 108-67-8 1,3,5-Trimethylbenzene 12.4 0.50 ug/l 108-05-4 Vinyl Acetate 5.1 0.50 ug/l 75-01-4 Vinyl Chloride ND 0.10 ug/l m,p-Xylene ND 1.0 ug/l 95-47-6 o-Xylene ND 0.50 ug/l 1330-20-7 Xylene (total)ND 0.50 ug/l CAS No.Surrogate Recoveries Run# 1 Run# 2 Limits 17060-07-0 1,2-Dichloroethane-D4 94%70-130% ND = Not detected J = Indicates an estimated value RL = Reporting Limit B = Indicates analyte found in associated method blank E = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound 22 of 74 LA5813833.5 SGS North America Inc. Report of Analysis Page 3 of 3 Client Sample ID:MW6R Lab Sample ID:LA58138-5 Date Sampled:09/30/19 Matrix:AQ - Ground Water Date Received:10/02/19 Method:SM 6200B Percent Solids:n/a Project:Western Boulevard, 5201 Western Blvd, Raleigh, NC VOA Special List CAS No.Surrogate Recoveries Run# 1 Run# 2 Limits 2037-26-5 Toluene-D8 90%70-130% 460-00-4 4-Bromofluorobenzene 108%70-130% ND = Not detected J = Indicates an estimated value RL = Reporting Limit B = Indicates analyte found in associated method blank E = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound 23 of 74 LA5813833.5 SGS North America Inc. Report of Analysis Page 1 of 3 Client Sample ID:MW12 Lab Sample ID:LA58138-6 Date Sampled:09/30/19 Matrix:AQ - Ground Water Date Received:10/02/19 Method:SM 6200B Percent Solids:n/a Project:Western Boulevard, 5201 Western Blvd, Raleigh, NC File ID DF Analyzed By Prep Date Prep Batch Analytical Batch Run #1 2K0118583.D 1 10/06/19 05:19 PJ n/a n/a V2K2111 Run #2 Purge Volume Run #1 25.0 ml Run #2 VOA Special List CAS No.Compound Result RL Units Q 67-64-1 Acetone ND 10 ug/l 71-43-2 Benzene ND 0.50 ug/l 108-86-1 Bromobenzene ND 0.50 ug/l 74-97-5 Bromochloromethane ND 0.50 ug/l 75-27-4 Bromodichloromethane ND 0.50 ug/l 75-25-2 Bromoform ND 0.50 ug/l 104-51-8 n-Butylbenzene ND 0.50 ug/l 135-98-8 sec-Butylbenzene ND 0.50 ug/l 98-06-6 tert-Butylbenzene ND 0.50 ug/l 56-23-5 Carbon Tetrachloride ND 0.20 ug/l 108-90-7 Chlorobenzene ND 0.50 ug/l 75-00-3 Chloroethane ND 0.50 ug/l 67-66-3 Chloroform ND 0.50 ug/l 95-49-8 o-Chlorotoluene ND 0.50 ug/l 106-43-4 p-Chlorotoluene ND 0.50 ug/l 124-48-1 Dibromochloromethane ND 0.20 ug/l 96-12-8 1,2-Dibromo-3-chloropropane ND 0.50 ug/l 106-93-4 1,2-Dibromoethane ND 0.50 ug/l 75-71-8 Dichlorodifluoromethane ND 0.50 ug/l 541-73-1 m-Dichlorobenzene ND 0.50 ug/l 95-50-1 o-Dichlorobenzene ND 0.50 ug/l 106-46-7 p-Dichlorobenzene ND 0.50 ug/l 75-34-3 1,1-Dichloroethane ND 0.50 ug/l 107-06-2 1,2-Dichloroethane ND 0.20 ug/l 75-35-4 1,1-Dichloroethylene ND 0.50 ug/l 156-59-2 cis-1,2-Dichloroethylene ND 0.50 ug/l 156-60-5 trans-1,2-Dichloroethylene ND 0.50 ug/l 78-87-5 1,2-Dichloropropane ND 0.30 ug/l 142-28-9 1,3-Dichloropropane ND 0.50 ug/l 594-20-7 2,2-Dichloropropane ND 0.50 ug/l 563-58-6 1,1-Dichloropropene ND 0.50 ug/l 10061-01-5 cis-1,3-Dichloropropene ND 0.20 ug/l ND = Not detected J = Indicates an estimated value RL = Reporting Limit B = Indicates analyte found in associated method blank E = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound 24 of 74 LA5813833.6 SGS North America Inc. Report of Analysis Page 2 of 3 Client Sample ID:MW12 Lab Sample ID:LA58138-6 Date Sampled:09/30/19 Matrix:AQ - Ground Water Date Received:10/02/19 Method:SM 6200B Percent Solids:n/a Project:Western Boulevard, 5201 Western Blvd, Raleigh, NC VOA Special List CAS No.Compound Result RL Units Q 10061-02-6 trans-1,3-Dichloropropene ND 0.20 ug/l 108-20-3 Di-Isopropyl Ether ND 0.50 ug/l 64-17-5 Ethyl Alcohol ND 50 ug/l 100-41-4 Ethylbenzene ND 0.50 ug/l 591-78-6 2-Hexanone ND 1.0 ug/l 87-68-3 Hexachlorobutadiene ND 0.20 ug/l 98-82-8 Isopropylbenzene ND 0.50 ug/l 99-87-6 p-Isopropyltoluene ND 0.50 ug/l 74-83-9 Methyl Bromide ND 0.50 ug/l 74-87-3 Methyl Chloride ND 0.50 ug/l 74-95-3 Methylene Bromide ND 0.50 ug/l 75-09-2 Methylene Chloride ND 0.50 ug/l 78-93-3 Methyl Ethyl Ketone ND 25 ug/l 108-10-1 4-Methyl-2-pentanone ND 0.50 ug/l 1634-04-4 Methyl Tert Butyl Ether 0.75 0.50 ug/l 91-20-3 Naphthalene ND 0.50 ug/l 103-65-1 n-Propylbenzene ND 0.50 ug/l 100-42-5 Styrene ND 0.50 ug/l 630-20-6 1,1,1,2-Tetrachloroethane ND 0.50 ug/l 79-34-5 1,1,2,2-Tetrachloroethane ND 0.20 ug/l 127-18-4 Tetrachloroethylene ND 0.50 ug/l 108-88-3 Toluene ND 0.50 ug/l 87-61-6 1,2,3-Trichlorobenzene ND 0.50 ug/l 120-82-1 1,2,4-Trichlorobenzene ND 0.50 ug/l 71-55-6 1,1,1-Trichloroethane ND 0.50 ug/l 79-00-5 1,1,2-Trichloroethane ND 0.30 ug/l 79-01-6 Trichloroethylene ND 0.50 ug/l 75-69-4 Trichlorofluoromethane ND 0.50 ug/l 96-18-4 1,2,3-Trichloropropane ND 0.50 ug/l 95-63-6 1,2,4-Trimethylbenzene ND 0.50 ug/l 108-67-8 1,3,5-Trimethylbenzene ND 0.50 ug/l 108-05-4 Vinyl Acetate ND 0.50 ug/l 75-01-4 Vinyl Chloride ND 0.10 ug/l m,p-Xylene ND 1.0 ug/l 95-47-6 o-Xylene ND 0.50 ug/l 1330-20-7 Xylene (total)ND 0.50 ug/l CAS No.Surrogate Recoveries Run# 1 Run# 2 Limits 17060-07-0 1,2-Dichloroethane-D4 98%70-130% ND = Not detected J = Indicates an estimated value RL = Reporting Limit B = Indicates analyte found in associated method blank E = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound 25 of 74 LA5813833.6 SGS North America Inc. Report of Analysis Page 3 of 3 Client Sample ID:MW12 Lab Sample ID:LA58138-6 Date Sampled:09/30/19 Matrix:AQ - Ground Water Date Received:10/02/19 Method:SM 6200B Percent Solids:n/a Project:Western Boulevard, 5201 Western Blvd, Raleigh, NC VOA Special List CAS No.Surrogate Recoveries Run# 1 Run# 2 Limits 2037-26-5 Toluene-D8 95%70-130% 460-00-4 4-Bromofluorobenzene 98%70-130% ND = Not detected J = Indicates an estimated value RL = Reporting Limit B = Indicates analyte found in associated method blank E = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound 26 of 74 LA5813833.6 SGS North America Inc. Report of Analysis Page 1 of 3 Client Sample ID:MW12R Lab Sample ID:LA58138-7 Date Sampled:09/30/19 Matrix:AQ - Ground Water Date Received:10/02/19 Method:SM 6200B Percent Solids:n/a Project:Western Boulevard, 5201 Western Blvd, Raleigh, NC File ID DF Analyzed By Prep Date Prep Batch Analytical Batch Run #1 2K0118587.D 100 10/06/19 07:28 PJ n/a n/a V2K2111 Run #2 Purge Volume Run #1 25.0 ml Run #2 VOA Special List CAS No.Compound Result RL Units Q 67-64-1 Acetone ND 1000 ug/l 71-43-2 Benzene ND 50 ug/l 108-86-1 Bromobenzene ND 50 ug/l 74-97-5 Bromochloromethane ND 50 ug/l 75-27-4 Bromodichloromethane ND 50 ug/l 75-25-2 Bromoform ND 50 ug/l 104-51-8 n-Butylbenzene ND 50 ug/l 135-98-8 sec-Butylbenzene ND 50 ug/l 98-06-6 tert-Butylbenzene ND 50 ug/l 56-23-5 Carbon Tetrachloride ND 20 ug/l 108-90-7 Chlorobenzene ND 50 ug/l 75-00-3 Chloroethane ND 50 ug/l 67-66-3 Chloroform ND 50 ug/l 95-49-8 o-Chlorotoluene ND 50 ug/l 106-43-4 p-Chlorotoluene ND 50 ug/l 124-48-1 Dibromochloromethane ND 20 ug/l 96-12-8 1,2-Dibromo-3-chloropropane ND 50 ug/l 106-93-4 1,2-Dibromoethane ND 50 ug/l 75-71-8 Dichlorodifluoromethane ND 50 ug/l 541-73-1 m-Dichlorobenzene ND 50 ug/l 95-50-1 o-Dichlorobenzene ND 50 ug/l 106-46-7 p-Dichlorobenzene ND 50 ug/l 75-34-3 1,1-Dichloroethane ND 50 ug/l 107-06-2 1,2-Dichloroethane ND 20 ug/l 75-35-4 1,1-Dichloroethylene ND 50 ug/l 156-59-2 cis-1,2-Dichloroethylene ND 50 ug/l 156-60-5 trans-1,2-Dichloroethylene ND 50 ug/l 78-87-5 1,2-Dichloropropane ND 30 ug/l 142-28-9 1,3-Dichloropropane ND 50 ug/l 594-20-7 2,2-Dichloropropane ND 50 ug/l 563-58-6 1,1-Dichloropropene ND 50 ug/l 10061-01-5 cis-1,3-Dichloropropene ND 20 ug/l ND = Not detected J = Indicates an estimated value RL = Reporting Limit B = Indicates analyte found in associated method blank E = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound 27 of 74 LA5813833.7 SGS North America Inc. Report of Analysis Page 2 of 3 Client Sample ID:MW12R Lab Sample ID:LA58138-7 Date Sampled:09/30/19 Matrix:AQ - Ground Water Date Received:10/02/19 Method:SM 6200B Percent Solids:n/a Project:Western Boulevard, 5201 Western Blvd, Raleigh, NC VOA Special List CAS No.Compound Result RL Units Q 10061-02-6 trans-1,3-Dichloropropene ND 20 ug/l 108-20-3 Di-Isopropyl Ether ND 50 ug/l 64-17-5 Ethyl Alcohol ND 5000 ug/l 100-41-4 Ethylbenzene 1780 50 ug/l 591-78-6 2-Hexanone ND 100 ug/l 87-68-3 Hexachlorobutadiene ND 20 ug/l 98-82-8 Isopropylbenzene 101 50 ug/l 99-87-6 p-Isopropyltoluene ND 50 ug/l 74-83-9 Methyl Bromide ND 50 ug/l 74-87-3 Methyl Chloride ND 50 ug/l 74-95-3 Methylene Bromide ND 50 ug/l 75-09-2 Methylene Chloride ND 50 ug/l 78-93-3 Methyl Ethyl Ketone ND 2500 ug/l 108-10-1 4-Methyl-2-pentanone ND 50 ug/l 1634-04-4 Methyl Tert Butyl Ether ND 50 ug/l 91-20-3 Naphthalene 387 50 ug/l 103-65-1 n-Propylbenzene 267 50 ug/l 100-42-5 Styrene ND 50 ug/l 630-20-6 1,1,1,2-Tetrachloroethane ND 50 ug/l 79-34-5 1,1,2,2-Tetrachloroethane ND 20 ug/l 127-18-4 Tetrachloroethylene ND 50 ug/l 108-88-3 Toluene 4140 50 ug/l 87-61-6 1,2,3-Trichlorobenzene ND 50 ug/l 120-82-1 1,2,4-Trichlorobenzene ND 50 ug/l 71-55-6 1,1,1-Trichloroethane ND 50 ug/l 79-00-5 1,1,2-Trichloroethane ND 30 ug/l 79-01-6 Trichloroethylene ND 50 ug/l 75-69-4 Trichlorofluoromethane ND 50 ug/l 96-18-4 1,2,3-Trichloropropane ND 50 ug/l 95-63-6 1,2,4-Trimethylbenzene 2290 50 ug/l 108-67-8 1,3,5-Trimethylbenzene 922 50 ug/l 108-05-4 Vinyl Acetate ND 50 ug/l 75-01-4 Vinyl Chloride ND 10 ug/l m,p-Xylene 5640 100 ug/l 95-47-6 o-Xylene 3470 50 ug/l 1330-20-7 Xylene (total)9110 50 ug/l CAS No.Surrogate Recoveries Run# 1 Run# 2 Limits 17060-07-0 1,2-Dichloroethane-D4 91%70-130% ND = Not detected J = Indicates an estimated value RL = Reporting Limit B = Indicates analyte found in associated method blank E = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound 28 of 74 LA5813833.7 SGS North America Inc. Report of Analysis Page 3 of 3 Client Sample ID:MW12R Lab Sample ID:LA58138-7 Date Sampled:09/30/19 Matrix:AQ - Ground Water Date Received:10/02/19 Method:SM 6200B Percent Solids:n/a Project:Western Boulevard, 5201 Western Blvd, Raleigh, NC VOA Special List CAS No.Surrogate Recoveries Run# 1 Run# 2 Limits 2037-26-5 Toluene-D8 96%70-130% 460-00-4 4-Bromofluorobenzene 100%70-130% ND = Not detected J = Indicates an estimated value RL = Reporting Limit B = Indicates analyte found in associated method blank E = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound 29 of 74 LA5813833.7 SGS North America Inc. Report of Analysis Page 1 of 3 Client Sample ID:MW13 Lab Sample ID:LA58138-8 Date Sampled:09/30/19 Matrix:AQ - Ground Water Date Received:10/02/19 Method:SM 6200B Percent Solids:n/a Project:Western Boulevard, 5201 Western Blvd, Raleigh, NC File ID DF Analyzed By Prep Date Prep Batch Analytical Batch Run #1 2K0118588.D 5 10/06/19 08:00 PJ n/a n/a V2K2111 Run #2 2K0118631.D 20 10/07/19 15:30 CP n/a n/a V2K2115 Purge Volume Run #1 25.0 ml Run #2 25.0 ml VOA Special List CAS No.Compound Result RL Units Q 67-64-1 Acetone ND 50 ug/l 71-43-2 Benzene ND 2.5 ug/l 108-86-1 Bromobenzene ND 2.5 ug/l 74-97-5 Bromochloromethane ND 2.5 ug/l 75-27-4 Bromodichloromethane ND 2.5 ug/l 75-25-2 Bromoform ND 2.5 ug/l 104-51-8 n-Butylbenzene ND 2.5 ug/l 135-98-8 sec-Butylbenzene 5.7 2.5 ug/l 98-06-6 tert-Butylbenzene ND 2.5 ug/l 56-23-5 Carbon Tetrachloride ND 1.0 ug/l 108-90-7 Chlorobenzene ND 2.5 ug/l 75-00-3 Chloroethane ND 2.5 ug/l 67-66-3 Chloroform ND 2.5 ug/l 95-49-8 o-Chlorotoluene ND 2.5 ug/l 106-43-4 p-Chlorotoluene ND 2.5 ug/l 124-48-1 Dibromochloromethane ND 1.0 ug/l 96-12-8 1,2-Dibromo-3-chloropropane ND 2.5 ug/l 106-93-4 1,2-Dibromoethane ND 2.5 ug/l 75-71-8 Dichlorodifluoromethane ND 2.5 ug/l 541-73-1 m-Dichlorobenzene ND 2.5 ug/l 95-50-1 o-Dichlorobenzene ND 2.5 ug/l 106-46-7 p-Dichlorobenzene ND 2.5 ug/l 75-34-3 1,1-Dichloroethane ND 2.5 ug/l 107-06-2 1,2-Dichloroethane ND 1.0 ug/l 75-35-4 1,1-Dichloroethylene ND 2.5 ug/l 156-59-2 cis-1,2-Dichloroethylene ND 2.5 ug/l 156-60-5 trans-1,2-Dichloroethylene ND 2.5 ug/l 78-87-5 1,2-Dichloropropane ND 1.5 ug/l 142-28-9 1,3-Dichloropropane ND 2.5 ug/l 594-20-7 2,2-Dichloropropane ND 2.5 ug/l 563-58-6 1,1-Dichloropropene ND 2.5 ug/l 10061-01-5 cis-1,3-Dichloropropene ND 1.0 ug/l ND = Not detected J = Indicates an estimated value RL = Reporting Limit B = Indicates analyte found in associated method blank E = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound 30 of 74 LA5813833.8 SGS North America Inc. Report of Analysis Page 2 of 3 Client Sample ID:MW13 Lab Sample ID:LA58138-8 Date Sampled:09/30/19 Matrix:AQ - Ground Water Date Received:10/02/19 Method:SM 6200B Percent Solids:n/a Project:Western Boulevard, 5201 Western Blvd, Raleigh, NC VOA Special List CAS No.Compound Result RL Units Q 10061-02-6 trans-1,3-Dichloropropene ND 1.0 ug/l 108-20-3 Di-Isopropyl Ether ND 2.5 ug/l 64-17-5 Ethyl Alcohol ND 250 ug/l 100-41-4 Ethylbenzene 198 2.5 ug/l 591-78-6 2-Hexanone ND 5.0 ug/l 87-68-3 Hexachlorobutadiene ND 1.0 ug/l 98-82-8 Isopropylbenzene 35.8 2.5 ug/l 99-87-6 p-Isopropyltoluene ND 2.5 ug/l 74-83-9 Methyl Bromide ND 2.5 ug/l 74-87-3 Methyl Chloride ND 2.5 ug/l 74-95-3 Methylene Bromide ND 2.5 ug/l 75-09-2 Methylene Chloride ND 2.5 ug/l 78-93-3 Methyl Ethyl Ketone ND 130 ug/l 108-10-1 4-Methyl-2-pentanone ND 2.5 ug/l 1634-04-4 Methyl Tert Butyl Ether ND 2.5 ug/l 91-20-3 Naphthalene 90.4 2.5 ug/l 103-65-1 n-Propylbenzene 93.8 2.5 ug/l 100-42-5 Styrene ND 2.5 ug/l 630-20-6 1,1,1,2-Tetrachloroethane ND 2.5 ug/l 79-34-5 1,1,2,2-Tetrachloroethane ND 1.0 ug/l 127-18-4 Tetrachloroethylene ND 2.5 ug/l 108-88-3 Toluene 11.9 2.5 ug/l 87-61-6 1,2,3-Trichlorobenzene ND 2.5 ug/l 120-82-1 1,2,4-Trichlorobenzene ND 2.5 ug/l 71-55-6 1,1,1-Trichloroethane ND 2.5 ug/l 79-00-5 1,1,2-Trichloroethane ND 1.5 ug/l 79-01-6 Trichloroethylene ND 2.5 ug/l 75-69-4 Trichlorofluoromethane ND 2.5 ug/l 96-18-4 1,2,3-Trichloropropane ND 2.5 ug/l 95-63-6 1,2,4-Trimethylbenzene 671 a 10 ug/l 108-67-8 1,3,5-Trimethylbenzene 312 2.5 ug/l 108-05-4 Vinyl Acetate ND 2.5 ug/l 75-01-4 Vinyl Chloride ND 0.50 ug/l m,p-Xylene 595 a 20 ug/l 95-47-6 o-Xylene 106 2.5 ug/l 1330-20-7 Xylene (total)704 a 10 ug/l CAS No.Surrogate Recoveries Run# 1 Run# 2 Limits 17060-07-0 1,2-Dichloroethane-D4 90%92%70-130% ND = Not detected J = Indicates an estimated value RL = Reporting Limit B = Indicates analyte found in associated method blank E = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound 31 of 74 LA5813833.8 SGS North America Inc. Report of Analysis Page 3 of 3 Client Sample ID:MW13 Lab Sample ID:LA58138-8 Date Sampled:09/30/19 Matrix:AQ - Ground Water Date Received:10/02/19 Method:SM 6200B Percent Solids:n/a Project:Western Boulevard, 5201 Western Blvd, Raleigh, NC VOA Special List CAS No.Surrogate Recoveries Run# 1 Run# 2 Limits 2037-26-5 Toluene-D8 95%96%70-130% 460-00-4 4-Bromofluorobenzene 99%100%70-130% (a) Result is from Run# 2 ND = Not detected J = Indicates an estimated value RL = Reporting Limit B = Indicates analyte found in associated method blank E = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound 32 of 74 LA5813833.8 SGS North America Inc. Report of Analysis Page 1 of 3 Client Sample ID:MW2 Lab Sample ID:LA58138-9 Date Sampled:09/30/19 Matrix:AQ - Ground Water Date Received:10/02/19 Method:SM 6200B Percent Solids:n/a Project:Western Boulevard, 5201 Western Blvd, Raleigh, NC File ID DF Analyzed By Prep Date Prep Batch Analytical Batch Run #1 2K0118584.D 1 10/06/19 05:51 PJ n/a n/a V2K2111 Run #2 2K0118630.D 10 10/07/19 14:58 CP n/a n/a V2K2115 Purge Volume Run #1 25.0 ml Run #2 25.0 ml VOA Special List CAS No.Compound Result RL Units Q 67-64-1 Acetone ND 10 ug/l 71-43-2 Benzene 1.7 0.50 ug/l 108-86-1 Bromobenzene ND 0.50 ug/l 74-97-5 Bromochloromethane ND 0.50 ug/l 75-27-4 Bromodichloromethane ND 0.50 ug/l 75-25-2 Bromoform ND 0.50 ug/l 104-51-8 n-Butylbenzene 3.8 0.50 ug/l 135-98-8 sec-Butylbenzene 2.5 0.50 ug/l 98-06-6 tert-Butylbenzene ND 0.50 ug/l 56-23-5 Carbon Tetrachloride ND 0.20 ug/l 108-90-7 Chlorobenzene ND 0.50 ug/l 75-00-3 Chloroethane ND 0.50 ug/l 67-66-3 Chloroform ND 0.50 ug/l 95-49-8 o-Chlorotoluene ND 0.50 ug/l 106-43-4 p-Chlorotoluene ND 0.50 ug/l 124-48-1 Dibromochloromethane ND 0.20 ug/l 96-12-8 1,2-Dibromo-3-chloropropane ND 0.50 ug/l 106-93-4 1,2-Dibromoethane ND 0.50 ug/l 75-71-8 Dichlorodifluoromethane ND 0.50 ug/l 541-73-1 m-Dichlorobenzene ND 0.50 ug/l 95-50-1 o-Dichlorobenzene ND 0.50 ug/l 106-46-7 p-Dichlorobenzene ND 0.50 ug/l 75-34-3 1,1-Dichloroethane ND 0.50 ug/l 107-06-2 1,2-Dichloroethane ND 0.20 ug/l 75-35-4 1,1-Dichloroethylene ND 0.50 ug/l 156-59-2 cis-1,2-Dichloroethylene ND 0.50 ug/l 156-60-5 trans-1,2-Dichloroethylene ND 0.50 ug/l 78-87-5 1,2-Dichloropropane ND 0.30 ug/l 142-28-9 1,3-Dichloropropane ND 0.50 ug/l 594-20-7 2,2-Dichloropropane ND 0.50 ug/l 563-58-6 1,1-Dichloropropene ND 0.50 ug/l 10061-01-5 cis-1,3-Dichloropropene ND 0.20 ug/l ND = Not detected J = Indicates an estimated value RL = Reporting Limit B = Indicates analyte found in associated method blank E = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound 33 of 74 LA5813833.9 SGS North America Inc. Report of Analysis Page 2 of 3 Client Sample ID:MW2 Lab Sample ID:LA58138-9 Date Sampled:09/30/19 Matrix:AQ - Ground Water Date Received:10/02/19 Method:SM 6200B Percent Solids:n/a Project:Western Boulevard, 5201 Western Blvd, Raleigh, NC VOA Special List CAS No.Compound Result RL Units Q 10061-02-6 trans-1,3-Dichloropropene ND 0.20 ug/l 108-20-3 Di-Isopropyl Ether ND 0.50 ug/l 64-17-5 Ethyl Alcohol ND 50 ug/l 100-41-4 Ethylbenzene 139 a 5.0 ug/l 591-78-6 2-Hexanone 6.6 1.0 ug/l 87-68-3 Hexachlorobutadiene ND 0.20 ug/l 98-82-8 Isopropylbenzene 11.3 0.50 ug/l 99-87-6 p-Isopropyltoluene 1.5 0.50 ug/l 74-83-9 Methyl Bromide ND 0.50 ug/l 74-87-3 Methyl Chloride 5.6 0.50 ug/l 74-95-3 Methylene Bromide ND 0.50 ug/l 75-09-2 Methylene Chloride ND 0.50 ug/l 78-93-3 Methyl Ethyl Ketone ND 25 ug/l 108-10-1 4-Methyl-2-pentanone ND 0.50 ug/l 1634-04-4 Methyl Tert Butyl Ether ND 0.50 ug/l 91-20-3 Naphthalene 32.3 0.50 ug/l 103-65-1 n-Propylbenzene 23.0 0.50 ug/l 100-42-5 Styrene ND 0.50 ug/l 630-20-6 1,1,1,2-Tetrachloroethane ND 0.50 ug/l 79-34-5 1,1,2,2-Tetrachloroethane ND 0.20 ug/l 127-18-4 Tetrachloroethylene 2.2 0.50 ug/l 108-88-3 Toluene 51.7 0.50 ug/l 87-61-6 1,2,3-Trichlorobenzene ND 0.50 ug/l 120-82-1 1,2,4-Trichlorobenzene ND 0.50 ug/l 71-55-6 1,1,1-Trichloroethane ND 0.50 ug/l 79-00-5 1,1,2-Trichloroethane ND 0.30 ug/l 79-01-6 Trichloroethylene ND 0.50 ug/l 75-69-4 Trichlorofluoromethane ND 0.50 ug/l 96-18-4 1,2,3-Trichloropropane 4.0 0.50 ug/l 95-63-6 1,2,4-Trimethylbenzene 164 a 5.0 ug/l 108-67-8 1,3,5-Trimethylbenzene 56.3 0.50 ug/l 108-05-4 Vinyl Acetate 3.5 0.50 ug/l 75-01-4 Vinyl Chloride ND 0.10 ug/l m,p-Xylene 501 a 10 ug/l 95-47-6 o-Xylene 180 a 5.0 ug/l 1330-20-7 Xylene (total)682 a 5.0 ug/l CAS No.Surrogate Recoveries Run# 1 Run# 2 Limits 17060-07-0 1,2-Dichloroethane-D4 97%93%70-130% ND = Not detected J = Indicates an estimated value RL = Reporting Limit B = Indicates analyte found in associated method blank E = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound 34 of 74 LA5813833.9 SGS North America Inc. Report of Analysis Page 3 of 3 Client Sample ID:MW2 Lab Sample ID:LA58138-9 Date Sampled:09/30/19 Matrix:AQ - Ground Water Date Received:10/02/19 Method:SM 6200B Percent Solids:n/a Project:Western Boulevard, 5201 Western Blvd, Raleigh, NC VOA Special List CAS No.Surrogate Recoveries Run# 1 Run# 2 Limits 2037-26-5 Toluene-D8 95%95%70-130% 460-00-4 4-Bromofluorobenzene 107%100%70-130% (a) Result is from Run# 2 ND = Not detected J = Indicates an estimated value RL = Reporting Limit B = Indicates analyte found in associated method blank E = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound 35 of 74 LA5813833.9 SGS North America Inc. Report of Analysis Page 1 of 3 Client Sample ID:MW4R Lab Sample ID:LA58138-10 Date Sampled:09/30/19 Matrix:AQ - Ground Water Date Received:10/02/19 Method:SM 6200B Percent Solids:n/a Project:Western Boulevard, 5201 Western Blvd, Raleigh, NC File ID DF Analyzed By Prep Date Prep Batch Analytical Batch Run #1 2K0118589.D 5 10/06/19 08:32 PJ n/a n/a V2K2111 Run #2 2K0118632.D 20 10/07/19 16:03 CP n/a n/a V2K2115 Purge Volume Run #1 25.0 ml Run #2 25.0 ml VOA Special List CAS No.Compound Result RL Units Q 67-64-1 Acetone ND 50 ug/l 71-43-2 Benzene 146 2.5 ug/l 108-86-1 Bromobenzene ND 2.5 ug/l 74-97-5 Bromochloromethane ND 2.5 ug/l 75-27-4 Bromodichloromethane ND 2.5 ug/l 75-25-2 Bromoform ND 2.5 ug/l 104-51-8 n-Butylbenzene ND 2.5 ug/l 135-98-8 sec-Butylbenzene 2.6 2.5 ug/l 98-06-6 tert-Butylbenzene ND 2.5 ug/l 56-23-5 Carbon Tetrachloride ND 1.0 ug/l 108-90-7 Chlorobenzene ND 2.5 ug/l 75-00-3 Chloroethane ND 2.5 ug/l 67-66-3 Chloroform ND 2.5 ug/l 95-49-8 o-Chlorotoluene ND 2.5 ug/l 106-43-4 p-Chlorotoluene ND 2.5 ug/l 124-48-1 Dibromochloromethane ND 1.0 ug/l 96-12-8 1,2-Dibromo-3-chloropropane ND 2.5 ug/l 106-93-4 1,2-Dibromoethane ND 2.5 ug/l 75-71-8 Dichlorodifluoromethane ND 2.5 ug/l 541-73-1 m-Dichlorobenzene ND 2.5 ug/l 95-50-1 o-Dichlorobenzene ND 2.5 ug/l 106-46-7 p-Dichlorobenzene ND 2.5 ug/l 75-34-3 1,1-Dichloroethane ND 2.5 ug/l 107-06-2 1,2-Dichloroethane ND 1.0 ug/l 75-35-4 1,1-Dichloroethylene ND 2.5 ug/l 156-59-2 cis-1,2-Dichloroethylene ND 2.5 ug/l 156-60-5 trans-1,2-Dichloroethylene ND 2.5 ug/l 78-87-5 1,2-Dichloropropane ND 1.5 ug/l 142-28-9 1,3-Dichloropropane ND 2.5 ug/l 594-20-7 2,2-Dichloropropane ND 2.5 ug/l 563-58-6 1,1-Dichloropropene ND 2.5 ug/l 10061-01-5 cis-1,3-Dichloropropene ND 1.0 ug/l ND = Not detected J = Indicates an estimated value RL = Reporting Limit B = Indicates analyte found in associated method blank E = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound 36 of 74 LA5813833.10 SGS North America Inc. Report of Analysis Page 2 of 3 Client Sample ID:MW4R Lab Sample ID:LA58138-10 Date Sampled:09/30/19 Matrix:AQ - Ground Water Date Received:10/02/19 Method:SM 6200B Percent Solids:n/a Project:Western Boulevard, 5201 Western Blvd, Raleigh, NC VOA Special List CAS No.Compound Result RL Units Q 10061-02-6 trans-1,3-Dichloropropene ND 1.0 ug/l 108-20-3 Di-Isopropyl Ether 127 2.5 ug/l 64-17-5 Ethyl Alcohol ND 250 ug/l 100-41-4 Ethylbenzene 439 2.5 ug/l 591-78-6 2-Hexanone ND 5.0 ug/l 87-68-3 Hexachlorobutadiene ND 1.0 ug/l 98-82-8 Isopropylbenzene 21.7 2.5 ug/l 99-87-6 p-Isopropyltoluene ND 2.5 ug/l 74-83-9 Methyl Bromide ND 2.5 ug/l 74-87-3 Methyl Chloride ND 2.5 ug/l 74-95-3 Methylene Bromide ND 2.5 ug/l 75-09-2 Methylene Chloride ND 2.5 ug/l 78-93-3 Methyl Ethyl Ketone ND 130 ug/l 108-10-1 4-Methyl-2-pentanone ND 2.5 ug/l 1634-04-4 Methyl Tert Butyl Ether 25.9 2.5 ug/l 91-20-3 Naphthalene 193 2.5 ug/l 103-65-1 n-Propylbenzene 40.4 2.5 ug/l 100-42-5 Styrene ND 2.5 ug/l 630-20-6 1,1,1,2-Tetrachloroethane ND 2.5 ug/l 79-34-5 1,1,2,2-Tetrachloroethane ND 1.0 ug/l 127-18-4 Tetrachloroethylene ND 2.5 ug/l 108-88-3 Toluene 170 2.5 ug/l 87-61-6 1,2,3-Trichlorobenzene ND 2.5 ug/l 120-82-1 1,2,4-Trichlorobenzene ND 2.5 ug/l 71-55-6 1,1,1-Trichloroethane ND 2.5 ug/l 79-00-5 1,1,2-Trichloroethane ND 1.5 ug/l 79-01-6 Trichloroethylene ND 2.5 ug/l 75-69-4 Trichlorofluoromethane ND 2.5 ug/l 96-18-4 1,2,3-Trichloropropane ND 2.5 ug/l 95-63-6 1,2,4-Trimethylbenzene 296 2.5 ug/l 108-67-8 1,3,5-Trimethylbenzene 152 2.5 ug/l 108-05-4 Vinyl Acetate ND 2.5 ug/l 75-01-4 Vinyl Chloride ND 0.50 ug/l m,p-Xylene 400 5.0 ug/l 95-47-6 o-Xylene 567 a 10 ug/l 1330-20-7 Xylene (total)966 a 10 ug/l CAS No.Surrogate Recoveries Run# 1 Run# 2 Limits 17060-07-0 1,2-Dichloroethane-D4 91%93%70-130% ND = Not detected J = Indicates an estimated value RL = Reporting Limit B = Indicates analyte found in associated method blank E = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound 37 of 74 LA5813833.10 SGS North America Inc. Report of Analysis Page 3 of 3 Client Sample ID:MW4R Lab Sample ID:LA58138-10 Date Sampled:09/30/19 Matrix:AQ - Ground Water Date Received:10/02/19 Method:SM 6200B Percent Solids:n/a Project:Western Boulevard, 5201 Western Blvd, Raleigh, NC VOA Special List CAS No.Surrogate Recoveries Run# 1 Run# 2 Limits 2037-26-5 Toluene-D8 98%100%70-130% 460-00-4 4-Bromofluorobenzene 99%99%70-130% (a) Result is from Run# 2 ND = Not detected J = Indicates an estimated value RL = Reporting Limit B = Indicates analyte found in associated method blank E = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound 38 of 74 LA5813833.10 SGS North America Inc. Report of Analysis Page 1 of 3 Client Sample ID:MW1 Lab Sample ID:LA58138-11 Date Sampled:09/30/19 Matrix:AQ - Ground Water Date Received:10/02/19 Method:SM 6200B Percent Solids:n/a Project:Western Boulevard, 5201 Western Blvd, Raleigh, NC File ID DF Analyzed By Prep Date Prep Batch Analytical Batch Run #1 2K0118590.D 500 10/06/19 09:04 PJ n/a n/a V2K2111 Run #2 Purge Volume Run #1 25.0 ml Run #2 VOA Special List CAS No.Compound Result RL Units Q 67-64-1 Acetone ND 5000 ug/l 71-43-2 Benzene 4840 250 ug/l 108-86-1 Bromobenzene ND 250 ug/l 74-97-5 Bromochloromethane ND 250 ug/l 75-27-4 Bromodichloromethane ND 250 ug/l 75-25-2 Bromoform ND 250 ug/l 104-51-8 n-Butylbenzene ND 250 ug/l 135-98-8 sec-Butylbenzene ND 250 ug/l 98-06-6 tert-Butylbenzene ND 250 ug/l 56-23-5 Carbon Tetrachloride ND 100 ug/l 108-90-7 Chlorobenzene ND 250 ug/l 75-00-3 Chloroethane ND 250 ug/l 67-66-3 Chloroform ND 250 ug/l 95-49-8 o-Chlorotoluene ND 250 ug/l 106-43-4 p-Chlorotoluene ND 250 ug/l 124-48-1 Dibromochloromethane ND 100 ug/l 96-12-8 1,2-Dibromo-3-chloropropane ND 250 ug/l 106-93-4 1,2-Dibromoethane ND 250 ug/l 75-71-8 Dichlorodifluoromethane ND 250 ug/l 541-73-1 m-Dichlorobenzene ND 250 ug/l 95-50-1 o-Dichlorobenzene ND 250 ug/l 106-46-7 p-Dichlorobenzene ND 250 ug/l 75-34-3 1,1-Dichloroethane ND 250 ug/l 107-06-2 1,2-Dichloroethane ND 100 ug/l 75-35-4 1,1-Dichloroethylene ND 250 ug/l 156-59-2 cis-1,2-Dichloroethylene ND 250 ug/l 156-60-5 trans-1,2-Dichloroethylene ND 250 ug/l 78-87-5 1,2-Dichloropropane ND 150 ug/l 142-28-9 1,3-Dichloropropane ND 250 ug/l 594-20-7 2,2-Dichloropropane ND 250 ug/l 563-58-6 1,1-Dichloropropene ND 250 ug/l 10061-01-5 cis-1,3-Dichloropropene ND 100 ug/l ND = Not detected J = Indicates an estimated value RL = Reporting Limit B = Indicates analyte found in associated method blank E = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound 39 of 74 LA5813833.11 SGS North America Inc. Report of Analysis Page 2 of 3 Client Sample ID:MW1 Lab Sample ID:LA58138-11 Date Sampled:09/30/19 Matrix:AQ - Ground Water Date Received:10/02/19 Method:SM 6200B Percent Solids:n/a Project:Western Boulevard, 5201 Western Blvd, Raleigh, NC VOA Special List CAS No.Compound Result RL Units Q 10061-02-6 trans-1,3-Dichloropropene ND 100 ug/l 108-20-3 Di-Isopropyl Ether 2220 250 ug/l 64-17-5 Ethyl Alcohol ND 25000 ug/l 100-41-4 Ethylbenzene 631 250 ug/l 591-78-6 2-Hexanone ND 500 ug/l 87-68-3 Hexachlorobutadiene ND 100 ug/l 98-82-8 Isopropylbenzene ND 250 ug/l 99-87-6 p-Isopropyltoluene ND 250 ug/l 74-83-9 Methyl Bromide ND 250 ug/l 74-87-3 Methyl Chloride ND 250 ug/l 74-95-3 Methylene Bromide ND 250 ug/l 75-09-2 Methylene Chloride ND 250 ug/l 78-93-3 Methyl Ethyl Ketone ND 13000 ug/l 108-10-1 4-Methyl-2-pentanone ND 250 ug/l 1634-04-4 Methyl Tert Butyl Ether ND 250 ug/l 91-20-3 Naphthalene 1190 250 ug/l 103-65-1 n-Propylbenzene ND 250 ug/l 100-42-5 Styrene ND 250 ug/l 630-20-6 1,1,1,2-Tetrachloroethane ND 250 ug/l 79-34-5 1,1,2,2-Tetrachloroethane ND 100 ug/l 127-18-4 Tetrachloroethylene ND 250 ug/l 108-88-3 Toluene 18700 250 ug/l 87-61-6 1,2,3-Trichlorobenzene ND 250 ug/l 120-82-1 1,2,4-Trichlorobenzene ND 250 ug/l 71-55-6 1,1,1-Trichloroethane ND 250 ug/l 79-00-5 1,1,2-Trichloroethane ND 150 ug/l 79-01-6 Trichloroethylene ND 250 ug/l 75-69-4 Trichlorofluoromethane ND 250 ug/l 96-18-4 1,2,3-Trichloropropane ND 250 ug/l 95-63-6 1,2,4-Trimethylbenzene 3040 250 ug/l 108-67-8 1,3,5-Trimethylbenzene 1110 250 ug/l 108-05-4 Vinyl Acetate ND 250 ug/l 75-01-4 Vinyl Chloride ND 50 ug/l m,p-Xylene 9770 500 ug/l 95-47-6 o-Xylene 6590 250 ug/l 1330-20-7 Xylene (total)16400 250 ug/l CAS No.Surrogate Recoveries Run# 1 Run# 2 Limits 17060-07-0 1,2-Dichloroethane-D4 91%70-130% ND = Not detected J = Indicates an estimated value RL = Reporting Limit B = Indicates analyte found in associated method blank E = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound 40 of 74 LA5813833.11 SGS North America Inc. Report of Analysis Page 3 of 3 Client Sample ID:MW1 Lab Sample ID:LA58138-11 Date Sampled:09/30/19 Matrix:AQ - Ground Water Date Received:10/02/19 Method:SM 6200B Percent Solids:n/a Project:Western Boulevard, 5201 Western Blvd, Raleigh, NC VOA Special List CAS No.Surrogate Recoveries Run# 1 Run# 2 Limits 2037-26-5 Toluene-D8 96%70-130% 460-00-4 4-Bromofluorobenzene 99%70-130% ND = Not detected J = Indicates an estimated value RL = Reporting Limit B = Indicates analyte found in associated method blank E = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound 41 of 74 LA5813833.11 SGS North America Inc. Report of Analysis Page 1 of 3 Client Sample ID:MW3 Lab Sample ID:LA58138-12 Date Sampled:09/30/19 Matrix:AQ - Ground Water Date Received:10/02/19 Method:SM 6200B Percent Solids:n/a Project:Western Boulevard, 5201 Western Blvd, Raleigh, NC File ID DF Analyzed By Prep Date Prep Batch Analytical Batch Run #1 2K0118591.D 1000 10/06/19 09:36 PJ n/a n/a V2K2111 Run #2 Purge Volume Run #1 25.0 ml Run #2 VOA Special List CAS No.Compound Result RL Units Q 67-64-1 Acetone ND 10000 ug/l 71-43-2 Benzene 8640 500 ug/l 108-86-1 Bromobenzene ND 500 ug/l 74-97-5 Bromochloromethane ND 500 ug/l 75-27-4 Bromodichloromethane ND 500 ug/l 75-25-2 Bromoform ND 500 ug/l 104-51-8 n-Butylbenzene ND 500 ug/l 135-98-8 sec-Butylbenzene ND 500 ug/l 98-06-6 tert-Butylbenzene ND 500 ug/l 56-23-5 Carbon Tetrachloride ND 200 ug/l 108-90-7 Chlorobenzene ND 500 ug/l 75-00-3 Chloroethane ND 500 ug/l 67-66-3 Chloroform ND 500 ug/l 95-49-8 o-Chlorotoluene ND 500 ug/l 106-43-4 p-Chlorotoluene ND 500 ug/l 124-48-1 Dibromochloromethane ND 200 ug/l 96-12-8 1,2-Dibromo-3-chloropropane ND 500 ug/l 106-93-4 1,2-Dibromoethane ND 500 ug/l 75-71-8 Dichlorodifluoromethane ND 500 ug/l 541-73-1 m-Dichlorobenzene ND 500 ug/l 95-50-1 o-Dichlorobenzene ND 500 ug/l 106-46-7 p-Dichlorobenzene ND 500 ug/l 75-34-3 1,1-Dichloroethane ND 500 ug/l 107-06-2 1,2-Dichloroethane ND 200 ug/l 75-35-4 1,1-Dichloroethylene ND 500 ug/l 156-59-2 cis-1,2-Dichloroethylene ND 500 ug/l 156-60-5 trans-1,2-Dichloroethylene ND 500 ug/l 78-87-5 1,2-Dichloropropane ND 300 ug/l 142-28-9 1,3-Dichloropropane ND 500 ug/l 594-20-7 2,2-Dichloropropane ND 500 ug/l 563-58-6 1,1-Dichloropropene ND 500 ug/l 10061-01-5 cis-1,3-Dichloropropene ND 200 ug/l ND = Not detected J = Indicates an estimated value RL = Reporting Limit B = Indicates analyte found in associated method blank E = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound 42 of 74 LA5813833.12 SGS North America Inc. Report of Analysis Page 2 of 3 Client Sample ID:MW3 Lab Sample ID:LA58138-12 Date Sampled:09/30/19 Matrix:AQ - Ground Water Date Received:10/02/19 Method:SM 6200B Percent Solids:n/a Project:Western Boulevard, 5201 Western Blvd, Raleigh, NC VOA Special List CAS No.Compound Result RL Units Q 10061-02-6 trans-1,3-Dichloropropene ND 200 ug/l 108-20-3 Di-Isopropyl Ether 6220 500 ug/l 64-17-5 Ethyl Alcohol ND 50000 ug/l 100-41-4 Ethylbenzene 4500 500 ug/l 591-78-6 2-Hexanone ND 1000 ug/l 87-68-3 Hexachlorobutadiene ND 200 ug/l 98-82-8 Isopropylbenzene ND 500 ug/l 99-87-6 p-Isopropyltoluene ND 500 ug/l 74-83-9 Methyl Bromide ND 500 ug/l 74-87-3 Methyl Chloride ND 500 ug/l 74-95-3 Methylene Bromide ND 500 ug/l 75-09-2 Methylene Chloride ND 500 ug/l 78-93-3 Methyl Ethyl Ketone ND 25000 ug/l 108-10-1 4-Methyl-2-pentanone ND 500 ug/l 1634-04-4 Methyl Tert Butyl Ether 11700 500 ug/l 91-20-3 Naphthalene 760 500 ug/l 103-65-1 n-Propylbenzene ND 500 ug/l 100-42-5 Styrene ND 500 ug/l 630-20-6 1,1,1,2-Tetrachloroethane ND 500 ug/l 79-34-5 1,1,2,2-Tetrachloroethane ND 200 ug/l 127-18-4 Tetrachloroethylene ND 500 ug/l 108-88-3 Toluene 66300 500 ug/l 87-61-6 1,2,3-Trichlorobenzene ND 500 ug/l 120-82-1 1,2,4-Trichlorobenzene ND 500 ug/l 71-55-6 1,1,1-Trichloroethane ND 500 ug/l 79-00-5 1,1,2-Trichloroethane ND 300 ug/l 79-01-6 Trichloroethylene ND 500 ug/l 75-69-4 Trichlorofluoromethane ND 500 ug/l 96-18-4 1,2,3-Trichloropropane ND 500 ug/l 95-63-6 1,2,4-Trimethylbenzene 3560 500 ug/l 108-67-8 1,3,5-Trimethylbenzene 963 500 ug/l 108-05-4 Vinyl Acetate ND 500 ug/l 75-01-4 Vinyl Chloride ND 100 ug/l m,p-Xylene 19000 1000 ug/l 95-47-6 o-Xylene 9120 500 ug/l 1330-20-7 Xylene (total)28100 500 ug/l CAS No.Surrogate Recoveries Run# 1 Run# 2 Limits 17060-07-0 1,2-Dichloroethane-D4 96%70-130% ND = Not detected J = Indicates an estimated value RL = Reporting Limit B = Indicates analyte found in associated method blank E = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound 43 of 74 LA5813833.12 SGS North America Inc. Report of Analysis Page 3 of 3 Client Sample ID:MW3 Lab Sample ID:LA58138-12 Date Sampled:09/30/19 Matrix:AQ - Ground Water Date Received:10/02/19 Method:SM 6200B Percent Solids:n/a Project:Western Boulevard, 5201 Western Blvd, Raleigh, NC VOA Special List CAS No.Surrogate Recoveries Run# 1 Run# 2 Limits 2037-26-5 Toluene-D8 96%70-130% 460-00-4 4-Bromofluorobenzene 103%70-130% ND = Not detected J = Indicates an estimated value RL = Reporting Limit B = Indicates analyte found in associated method blank E = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound 44 of 74 LA5813833.12 SGS North America Inc. Report of Analysis Page 1 of 3 Client Sample ID:FIELD BLANK Lab Sample ID:LA58138-13 Date Sampled:09/30/19 Matrix:AQ - Field Blank Water Date Received:10/02/19 Method:SM 6200B Percent Solids:n/a Project:Western Boulevard, 5201 Western Blvd, Raleigh, NC File ID DF Analyzed By Prep Date Prep Batch Analytical Batch Run #1 2K0118555.D 1 10/05/19 14:21 PJ n/a n/a V2K2110 Run #2 Purge Volume Run #1 25.0 ml Run #2 VOA Special List CAS No.Compound Result RL Units Q 67-64-1 Acetone ND 10 ug/l 71-43-2 Benzene ND 0.50 ug/l 108-86-1 Bromobenzene ND 0.50 ug/l 74-97-5 Bromochloromethane ND 0.50 ug/l 75-27-4 Bromodichloromethane ND 0.50 ug/l 75-25-2 Bromoform ND 0.50 ug/l 104-51-8 n-Butylbenzene ND 0.50 ug/l 135-98-8 sec-Butylbenzene ND 0.50 ug/l 98-06-6 tert-Butylbenzene ND 0.50 ug/l 56-23-5 Carbon Tetrachloride ND 0.20 ug/l 108-90-7 Chlorobenzene ND 0.50 ug/l 75-00-3 Chloroethane ND 0.50 ug/l 67-66-3 Chloroform ND 0.50 ug/l 95-49-8 o-Chlorotoluene ND 0.50 ug/l 106-43-4 p-Chlorotoluene ND 0.50 ug/l 124-48-1 Dibromochloromethane ND 0.20 ug/l 96-12-8 1,2-Dibromo-3-chloropropane ND 0.50 ug/l 106-93-4 1,2-Dibromoethane ND 0.50 ug/l 75-71-8 Dichlorodifluoromethane ND 0.50 ug/l 541-73-1 m-Dichlorobenzene ND 0.50 ug/l 95-50-1 o-Dichlorobenzene ND 0.50 ug/l 106-46-7 p-Dichlorobenzene ND 0.50 ug/l 75-34-3 1,1-Dichloroethane ND 0.50 ug/l 107-06-2 1,2-Dichloroethane ND 0.20 ug/l 75-35-4 1,1-Dichloroethylene ND 0.50 ug/l 156-59-2 cis-1,2-Dichloroethylene ND 0.50 ug/l 156-60-5 trans-1,2-Dichloroethylene ND 0.50 ug/l 78-87-5 1,2-Dichloropropane ND 0.30 ug/l 142-28-9 1,3-Dichloropropane ND 0.50 ug/l 594-20-7 2,2-Dichloropropane ND 0.50 ug/l 563-58-6 1,1-Dichloropropene ND 0.50 ug/l 10061-01-5 cis-1,3-Dichloropropene ND 0.20 ug/l ND = Not detected J = Indicates an estimated value RL = Reporting Limit B = Indicates analyte found in associated method blank E = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound 45 of 74 LA5813833.13 SGS North America Inc. Report of Analysis Page 2 of 3 Client Sample ID:FIELD BLANK Lab Sample ID:LA58138-13 Date Sampled:09/30/19 Matrix:AQ - Field Blank Water Date Received:10/02/19 Method:SM 6200B Percent Solids:n/a Project:Western Boulevard, 5201 Western Blvd, Raleigh, NC VOA Special List CAS No.Compound Result RL Units Q 10061-02-6 trans-1,3-Dichloropropene ND 0.20 ug/l 108-20-3 Di-Isopropyl Ether ND 0.50 ug/l 64-17-5 Ethyl Alcohol ND 50 ug/l 100-41-4 Ethylbenzene ND 0.50 ug/l 591-78-6 2-Hexanone ND 1.0 ug/l 87-68-3 Hexachlorobutadiene ND 0.20 ug/l 98-82-8 Isopropylbenzene ND 0.50 ug/l 99-87-6 p-Isopropyltoluene ND 0.50 ug/l 74-83-9 Methyl Bromide ND 0.50 ug/l 74-87-3 Methyl Chloride ND 0.50 ug/l 74-95-3 Methylene Bromide ND 0.50 ug/l 75-09-2 Methylene Chloride ND 0.50 ug/l 78-93-3 Methyl Ethyl Ketone ND 25 ug/l 108-10-1 4-Methyl-2-pentanone ND 0.50 ug/l 1634-04-4 Methyl Tert Butyl Ether ND 0.50 ug/l 91-20-3 Naphthalene ND 0.50 ug/l 103-65-1 n-Propylbenzene ND 0.50 ug/l 100-42-5 Styrene ND 0.50 ug/l 630-20-6 1,1,1,2-Tetrachloroethane ND 0.50 ug/l 79-34-5 1,1,2,2-Tetrachloroethane ND 0.20 ug/l 127-18-4 Tetrachloroethylene ND 0.50 ug/l 108-88-3 Toluene 0.97 0.50 ug/l 87-61-6 1,2,3-Trichlorobenzene ND 0.50 ug/l 120-82-1 1,2,4-Trichlorobenzene ND 0.50 ug/l 71-55-6 1,1,1-Trichloroethane ND 0.50 ug/l 79-00-5 1,1,2-Trichloroethane ND 0.30 ug/l 79-01-6 Trichloroethylene ND 0.50 ug/l 75-69-4 Trichlorofluoromethane ND 0.50 ug/l 96-18-4 1,2,3-Trichloropropane ND 0.50 ug/l 95-63-6 1,2,4-Trimethylbenzene ND 0.50 ug/l 108-67-8 1,3,5-Trimethylbenzene ND 0.50 ug/l 108-05-4 Vinyl Acetate ND 0.50 ug/l 75-01-4 Vinyl Chloride ND 0.10 ug/l m,p-Xylene ND 1.0 ug/l 95-47-6 o-Xylene ND 0.50 ug/l 1330-20-7 Xylene (total)ND 0.50 ug/l CAS No.Surrogate Recoveries Run# 1 Run# 2 Limits 17060-07-0 1,2-Dichloroethane-D4 92%70-130% ND = Not detected J = Indicates an estimated value RL = Reporting Limit B = Indicates analyte found in associated method blank E = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound 46 of 74 LA5813833.13 SGS North America Inc. Report of Analysis Page 3 of 3 Client Sample ID:FIELD BLANK Lab Sample ID:LA58138-13 Date Sampled:09/30/19 Matrix:AQ - Field Blank Water Date Received:10/02/19 Method:SM 6200B Percent Solids:n/a Project:Western Boulevard, 5201 Western Blvd, Raleigh, NC VOA Special List CAS No.Surrogate Recoveries Run# 1 Run# 2 Limits 2037-26-5 Toluene-D8 91%70-130% 460-00-4 4-Bromofluorobenzene 93%70-130% ND = Not detected J = Indicates an estimated value RL = Reporting Limit B = Indicates analyte found in associated method blank E = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound 47 of 74 LA5813833.13 SGS North America Inc. Misc. Forms Custody Documents and Other Forms Includes the following where applicable: • Chain of Custody Scott, LA Section 4 48 of 74 LA581384 LA58138: Chain of Custody Page 1 of 4 49 of 74 LA5813844.1 LA58138: Chain of Custody Page 2 of 4 50 of 74 LA5813844.1 LA58138: Chain of Custody Page 3 of 4 51 of 74 LA5813844.1 SGS Sample Receipt Summary Job Number:LA58138 Client:ATC Date / Time Received:10/2/2019 9:40:00 AM Delivery Method:FedEx Project:WESTERN BLVD EXXON 4. No. Coolers:1 Airbill #'s:4913 8690 6414 Cooler Security 1. Custody Seals Present: Y or N 2. Custody Seals Intact: 3. COC Present: 4. Smpl Dates/Time OK 2. Thermometer ID: Cooler Temperature Y or N 1. Temp criteria achieved: 3. Cooler media: DV439; Ice (direct contact) Quality Control Preservation Y or N N/A 1. Trip Blank present / cooler: 2. Trip Blank listed on COC: 3. Samples preserved properly: 4. VOCs headspace free: Sample Integrity - Documentation Y or N 1. Sample labels present on bottles: 2. Container labeling complete: 3. Sample container label / COC agree: Sample Integrity - Condition Y or N 1. Sample recvd within HT: 3. Condition of sample: 2. All containers accounted for: Sample Integrity - Instructions 1. Analysis requested is clear: 2. Bottles received for unspecified tests 3. Sufficient volume recvd for analysis: 4. Compositing instructions clear: 5. Filtering instructions clear: Intact Y or N Comments Y or N N/A Cooler Temps (Initial/Adjusted):#1: (1.8/1.8); DV439 LA58138: Chain of Custody Page 4 of 4 52 of 74 LA5813844.1 SGS North America Inc. MS Volatiles QC Data Summaries Includes the following where applicable: • Method Blank Summaries • Blank Spike Summaries • Matrix Spike and Duplicate Summaries Scott, LA Section 5 53 of 74 LA581385 Method Blank Summary Page 1 of 3 Job Number:LA58138 Account:ATCNCR ATC Group Services LLC Project:Western Boulevard, 5201 Western Blvd, Raleigh, NC Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch V2K2110-MB1 2K0118554.D 1 10/05/19 PJ n/a n/a V2K2110 The QC reported here applies to the following samples:Method: SM 6200B LA58138-13 CAS No.Compound Result RL Units Q 67-64-1 Acetone ND 10 ug/l 71-43-2 Benzene ND 0.50 ug/l 108-86-1 Bromobenzene ND 0.50 ug/l 74-97-5 Bromochloromethane ND 0.50 ug/l 75-27-4 Bromodichloromethane ND 0.50 ug/l 75-25-2 Bromoform ND 0.50 ug/l 104-51-8 n-Butylbenzene ND 0.50 ug/l 135-98-8 sec-Butylbenzene ND 0.50 ug/l 98-06-6 tert-Butylbenzene ND 0.50 ug/l 56-23-5 Carbon Tetrachloride ND 0.20 ug/l 108-90-7 Chlorobenzene ND 0.50 ug/l 75-00-3 Chloroethane ND 0.50 ug/l 67-66-3 Chloroform ND 0.50 ug/l 95-49-8 o-Chlorotoluene ND 0.50 ug/l 106-43-4 p-Chlorotoluene ND 0.50 ug/l 124-48-1 Dibromochloromethane ND 0.20 ug/l 96-12-8 1,2-Dibromo-3-chloropropane ND 0.50 ug/l 106-93-4 1,2-Dibromoethane ND 0.50 ug/l 75-71-8 Dichlorodifluoromethane ND 0.50 ug/l 541-73-1 m-Dichlorobenzene ND 0.50 ug/l 95-50-1 o-Dichlorobenzene ND 0.50 ug/l 106-46-7 p-Dichlorobenzene ND 0.50 ug/l 75-34-3 1,1-Dichloroethane ND 0.50 ug/l 107-06-2 1,2-Dichloroethane ND 0.20 ug/l 75-35-4 1,1-Dichloroethylene ND 0.50 ug/l 156-59-2 cis-1,2-Dichloroethylene ND 0.50 ug/l 156-60-5 trans-1,2-Dichloroethylene ND 0.50 ug/l 78-87-5 1,2-Dichloropropane ND 0.30 ug/l 142-28-9 1,3-Dichloropropane ND 0.50 ug/l 594-20-7 2,2-Dichloropropane ND 0.50 ug/l 563-58-6 1,1-Dichloropropene ND 0.50 ug/l 10061-01-5 cis-1,3-Dichloropropene ND 0.20 ug/l 10061-02-6 trans-1,3-Dichloropropene ND 0.20 ug/l 108-20-3 Di-Isopropyl Ether ND 0.50 ug/l 64-17-5 Ethyl Alcohol 15.5 50 ug/l J 100-41-4 Ethylbenzene ND 0.50 ug/l 54 of 74 LA5813855.1.1 Method Blank Summary Page 2 of 3 Job Number:LA58138 Account:ATCNCR ATC Group Services LLC Project:Western Boulevard, 5201 Western Blvd, Raleigh, NC Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch V2K2110-MB1 2K0118554.D 1 10/05/19 PJ n/a n/a V2K2110 The QC reported here applies to the following samples:Method: SM 6200B LA58138-13 CAS No.Compound Result RL Units Q 591-78-6 2-Hexanone ND 1.0 ug/l 87-68-3 Hexachlorobutadiene ND 0.20 ug/l 98-82-8 Isopropylbenzene ND 0.50 ug/l 99-87-6 p-Isopropyltoluene ND 0.50 ug/l 74-83-9 Methyl Bromide ND 0.50 ug/l 74-87-3 Methyl Chloride ND 0.50 ug/l 74-95-3 Methylene Bromide ND 0.50 ug/l 75-09-2 Methylene Chloride ND 0.50 ug/l 78-93-3 Methyl Ethyl Ketone ND 25 ug/l 108-10-1 4-Methyl-2-pentanone ND 0.50 ug/l 1634-04-4 Methyl Tert Butyl Ether ND 0.50 ug/l 91-20-3 Naphthalene 0.19 0.50 ug/l J 103-65-1 n-Propylbenzene ND 0.50 ug/l 100-42-5 Styrene ND 0.50 ug/l 630-20-6 1,1,1,2-Tetrachloroethane ND 0.50 ug/l 79-34-5 1,1,2,2-Tetrachloroethane ND 0.20 ug/l 127-18-4 Tetrachloroethylene ND 0.50 ug/l 108-88-3 Toluene ND 0.50 ug/l 87-61-6 1,2,3-Trichlorobenzene 0.26 0.50 ug/l J 120-82-1 1,2,4-Trichlorobenzene 0.22 0.50 ug/l J 71-55-6 1,1,1-Trichloroethane ND 0.50 ug/l 79-00-5 1,1,2-Trichloroethane ND 0.30 ug/l 79-01-6 Trichloroethylene ND 0.50 ug/l 75-69-4 Trichlorofluoromethane ND 0.50 ug/l 96-18-4 1,2,3-Trichloropropane ND 0.50 ug/l 95-63-6 1,2,4-Trimethylbenzene ND 0.50 ug/l 108-67-8 1,3,5-Trimethylbenzene ND 0.50 ug/l 108-05-4 Vinyl Acetate ND 0.50 ug/l 75-01-4 Vinyl Chloride ND 0.10 ug/l m,p-Xylene ND 1.0 ug/l 95-47-6 o-Xylene ND 0.50 ug/l 1330-20-7 Xylene (total)ND 0.50 ug/l 55 of 74 LA5813855.1.1 Method Blank Summary Page 3 of 3 Job Number:LA58138 Account:ATCNCR ATC Group Services LLC Project:Western Boulevard, 5201 Western Blvd, Raleigh, NC Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch V2K2110-MB1 2K0118554.D 1 10/05/19 PJ n/a n/a V2K2110 The QC reported here applies to the following samples:Method: SM 6200B LA58138-13 CAS No.Surrogate Recoveries Limits 17060-07-0 1,2-Dichloroethane-D4 90%70-130% 2037-26-5 Toluene-D8 93%70-130% 460-00-4 4-Bromofluorobenzene 95%70-130% 56 of 74 LA5813855.1.1 Method Blank Summary Page 1 of 3 Job Number:LA58138 Account:ATCNCR ATC Group Services LLC Project:Western Boulevard, 5201 Western Blvd, Raleigh, NC Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch V2K2111-MB1 2K0118577.D 1 10/06/19 PJ n/a n/a V2K2111 The QC reported here applies to the following samples:Method: SM 6200B LA58138-1, LA58138-2, LA58138-3, LA58138-4, LA58138-5, LA58138-6, LA58138-7, LA58138-8, LA58138-9, LA58138-10, LA58138-11, LA58138-12 CAS No.Compound Result RL Units Q 67-64-1 Acetone ND 10 ug/l 71-43-2 Benzene ND 0.50 ug/l 108-86-1 Bromobenzene ND 0.50 ug/l 74-97-5 Bromochloromethane ND 0.50 ug/l 75-27-4 Bromodichloromethane ND 0.50 ug/l 75-25-2 Bromoform ND 0.50 ug/l 104-51-8 n-Butylbenzene ND 0.50 ug/l 135-98-8 sec-Butylbenzene ND 0.50 ug/l 98-06-6 tert-Butylbenzene ND 0.50 ug/l 56-23-5 Carbon Tetrachloride ND 0.20 ug/l 108-90-7 Chlorobenzene ND 0.50 ug/l 75-00-3 Chloroethane ND 0.50 ug/l 67-66-3 Chloroform ND 0.50 ug/l 95-49-8 o-Chlorotoluene ND 0.50 ug/l 106-43-4 p-Chlorotoluene ND 0.50 ug/l 124-48-1 Dibromochloromethane ND 0.20 ug/l 96-12-8 1,2-Dibromo-3-chloropropane ND 0.50 ug/l 106-93-4 1,2-Dibromoethane ND 0.50 ug/l 75-71-8 Dichlorodifluoromethane ND 0.50 ug/l 541-73-1 m-Dichlorobenzene ND 0.50 ug/l 95-50-1 o-Dichlorobenzene ND 0.50 ug/l 106-46-7 p-Dichlorobenzene ND 0.50 ug/l 75-34-3 1,1-Dichloroethane ND 0.50 ug/l 107-06-2 1,2-Dichloroethane ND 0.20 ug/l 75-35-4 1,1-Dichloroethylene ND 0.50 ug/l 156-59-2 cis-1,2-Dichloroethylene ND 0.50 ug/l 156-60-5 trans-1,2-Dichloroethylene ND 0.50 ug/l 78-87-5 1,2-Dichloropropane ND 0.30 ug/l 142-28-9 1,3-Dichloropropane ND 0.50 ug/l 594-20-7 2,2-Dichloropropane ND 0.50 ug/l 563-58-6 1,1-Dichloropropene ND 0.50 ug/l 10061-01-5 cis-1,3-Dichloropropene ND 0.20 ug/l 10061-02-6 trans-1,3-Dichloropropene ND 0.20 ug/l 108-20-3 Di-Isopropyl Ether ND 0.50 ug/l 64-17-5 Ethyl Alcohol ND 50 ug/l 100-41-4 Ethylbenzene ND 0.50 ug/l 57 of 74 LA5813855.1.2 Method Blank Summary Page 2 of 3 Job Number:LA58138 Account:ATCNCR ATC Group Services LLC Project:Western Boulevard, 5201 Western Blvd, Raleigh, NC Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch V2K2111-MB1 2K0118577.D 1 10/06/19 PJ n/a n/a V2K2111 The QC reported here applies to the following samples:Method: SM 6200B LA58138-1, LA58138-2, LA58138-3, LA58138-4, LA58138-5, LA58138-6, LA58138-7, LA58138-8, LA58138-9, LA58138-10, LA58138-11, LA58138-12 CAS No.Compound Result RL Units Q 591-78-6 2-Hexanone ND 1.0 ug/l 87-68-3 Hexachlorobutadiene 0.19 0.20 ug/l J 98-82-8 Isopropylbenzene ND 0.50 ug/l 99-87-6 p-Isopropyltoluene ND 0.50 ug/l 74-83-9 Methyl Bromide ND 0.50 ug/l 74-87-3 Methyl Chloride ND 0.50 ug/l 74-95-3 Methylene Bromide ND 0.50 ug/l 75-09-2 Methylene Chloride ND 0.50 ug/l 78-93-3 Methyl Ethyl Ketone ND 25 ug/l 108-10-1 4-Methyl-2-pentanone ND 0.50 ug/l 1634-04-4 Methyl Tert Butyl Ether ND 0.50 ug/l 91-20-3 Naphthalene ND 0.50 ug/l 103-65-1 n-Propylbenzene ND 0.50 ug/l 100-42-5 Styrene ND 0.50 ug/l 630-20-6 1,1,1,2-Tetrachloroethane ND 0.50 ug/l 79-34-5 1,1,2,2-Tetrachloroethane ND 0.20 ug/l 127-18-4 Tetrachloroethylene ND 0.50 ug/l 108-88-3 Toluene ND 0.50 ug/l 87-61-6 1,2,3-Trichlorobenzene 0.27 0.50 ug/l J 120-82-1 1,2,4-Trichlorobenzene ND 0.50 ug/l 71-55-6 1,1,1-Trichloroethane ND 0.50 ug/l 79-00-5 1,1,2-Trichloroethane ND 0.30 ug/l 79-01-6 Trichloroethylene ND 0.50 ug/l 75-69-4 Trichlorofluoromethane ND 0.50 ug/l 96-18-4 1,2,3-Trichloropropane ND 0.50 ug/l 95-63-6 1,2,4-Trimethylbenzene ND 0.50 ug/l 108-67-8 1,3,5-Trimethylbenzene ND 0.50 ug/l 108-05-4 Vinyl Acetate ND 0.50 ug/l 75-01-4 Vinyl Chloride ND 0.10 ug/l m,p-Xylene ND 1.0 ug/l 95-47-6 o-Xylene ND 0.50 ug/l 1330-20-7 Xylene (total)ND 0.50 ug/l 58 of 74 LA5813855.1.2 Method Blank Summary Page 3 of 3 Job Number:LA58138 Account:ATCNCR ATC Group Services LLC Project:Western Boulevard, 5201 Western Blvd, Raleigh, NC Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch V2K2111-MB1 2K0118577.D 1 10/06/19 PJ n/a n/a V2K2111 The QC reported here applies to the following samples:Method: SM 6200B LA58138-1, LA58138-2, LA58138-3, LA58138-4, LA58138-5, LA58138-6, LA58138-7, LA58138-8, LA58138-9, LA58138-10, LA58138-11, LA58138-12 CAS No.Surrogate Recoveries Limits 17060-07-0 1,2-Dichloroethane-D4 92%70-130% 2037-26-5 Toluene-D8 95%70-130% 460-00-4 4-Bromofluorobenzene 97%70-130% 59 of 74 LA5813855.1.2 Method Blank Summary Page 1 of 1 Job Number:LA58138 Account:ATCNCR ATC Group Services LLC Project:Western Boulevard, 5201 Western Blvd, Raleigh, NC Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch V2K2115-MB1 2K0118626.D 1 10/07/19 CP n/a n/a V2K2115 The QC reported here applies to the following samples:Method: SM 6200B LA58138-8, LA58138-9, LA58138-10 CAS No.Compound Result RL Units Q 100-41-4 Ethylbenzene ND 0.50 ug/l 95-63-6 1,2,4-Trimethylbenzene ND 0.50 ug/l m,p-Xylene ND 1.0 ug/l 95-47-6 o-Xylene ND 0.50 ug/l 1330-20-7 Xylene (total)ND 0.50 ug/l CAS No.Surrogate Recoveries Limits 17060-07-0 1,2-Dichloroethane-D4 94%70-130% 2037-26-5 Toluene-D8 94%70-130% 460-00-4 4-Bromofluorobenzene 95%70-130% 60 of 74 LA5813855.1.3 Blank Spike/Blank Spike Duplicate Summary Page 1 of 3 Job Number:LA58138 Account:ATCNCR ATC Group Services LLC Project:Western Boulevard, 5201 Western Blvd, Raleigh, NC Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch V2K2110-BS1 2K0118551.D 1 10/05/19 PJ n/a n/a V2K2110 V2K2110-BSD1 2K0118552.D 1 10/05/19 PJ n/a n/a V2K2110 The QC reported here applies to the following samples:Method: SM 6200B LA58138-13 Spike BSP BSP BSD BSD Limits CAS No.Compound ug/l ug/l %ug/l %RPD Rec/RPD 67-64-1 Acetone 50 58.8 118 58.4 117 1 70-130/30 71-43-2 Benzene 20 19.3 97 18.6 93 4 70-130/30 108-86-1 Bromobenzene 20 18.3 92 17.9 90 2 70-130/30 74-97-5 Bromochloromethane 20 18.5 93 17.5 88 6 70-130/30 75-27-4 Bromodichloromethane 20 19.7 99 19.5 98 1 70-130/30 75-25-2 Bromoform 20 20.3 102 19.7 99 3 70-130/30 104-51-8 n-Butylbenzene 20 16.3 82 16.6 83 2 70-130/30 135-98-8 sec-Butylbenzene 20 16.2 81 16.9 85 4 70-130/30 98-06-6 tert-Butylbenzene 20 16.7 84 17.0 85 2 70-130/30 56-23-5 Carbon Tetrachloride 20 21.0 105 20.0 100 5 70-130/30 108-90-7 Chlorobenzene 20 19.6 98 19.7 99 1 70-130/30 75-00-3 Chloroethane 20 18.0 90 17.3 87 4 60-140/30 67-66-3 Chloroform 20 19.3 97 18.6 93 4 70-130/30 95-49-8 o-Chlorotoluene 20 15.9 80 16.1 81 1 70-130/30 106-43-4 p-Chlorotoluene 20 15.5 78 16.2 81 4 70-130/30 124-48-1 Dibromochloromethane 20 19.8 99 19.4 97 2 70-130/30 96-12-8 1,2-Dibromo-3-chloropropane 20 16.4 82 16.3 82 1 70-130/30 106-93-4 1,2-Dibromoethane 20 18.1 91 17.9 90 1 70-130/30 75-71-8 Dichlorodifluoromethane 20 17.3 87 16.5 83 5 60-140/30 541-73-1 m-Dichlorobenzene 20 16.2 81 16.3 82 1 70-130/30 95-50-1 o-Dichlorobenzene 20 16.3 82 16.6 83 2 70-130/30 106-46-7 p-Dichlorobenzene 20 15.6 78 16.1 81 3 70-130/30 75-34-3 1,1-Dichloroethane 20 19.6 98 19.3 97 2 70-130/30 107-06-2 1,2-Dichloroethane 20 19.4 97 18.6 93 4 70-130/30 75-35-4 1,1-Dichloroethylene 20 20.0 100 19.8 99 1 70-130/30 156-59-2 cis-1,2-Dichloroethylene 20 19.2 96 18.4 92 4 70-130/30 156-60-5 trans-1,2-Dichloroethylene 20 19.4 97 18.6 93 4 70-130/30 78-87-5 1,2-Dichloropropane 20 19.2 96 19.0 95 1 70-130/30 142-28-9 1,3-Dichloropropane 20 17.9 90 17.8 89 1 70-130/30 594-20-7 2,2-Dichloropropane 20 20.8 104 19.8 99 5 70-130/30 563-58-6 1,1-Dichloropropene 20 19.9 100 19.2 96 4 70-130/30 10061-01-5 cis-1,3-Dichloropropene 20 21.4 107 21.1 106 1 70-130/30 10061-02-6 trans-1,3-Dichloropropene 20 20.3 102 20.4 102 0 70-130/30 108-20-3 Di-Isopropyl Ether 20 19.9 100 19.5 98 2 70-130/30 64-17-5 Ethyl Alcohol 400 340 85 360 90 6 70-130/30 100-41-4 Ethylbenzene 20 18.7 94 18.6 93 1 70-130/30 * = Outside of Control Limits. 61 of 74 LA5813855.2.1 Blank Spike/Blank Spike Duplicate Summary Page 2 of 3 Job Number:LA58138 Account:ATCNCR ATC Group Services LLC Project:Western Boulevard, 5201 Western Blvd, Raleigh, NC Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch V2K2110-BS1 2K0118551.D 1 10/05/19 PJ n/a n/a V2K2110 V2K2110-BSD1 2K0118552.D 1 10/05/19 PJ n/a n/a V2K2110 The QC reported here applies to the following samples:Method: SM 6200B LA58138-13 Spike BSP BSP BSD BSD Limits CAS No.Compound ug/l ug/l %ug/l %RPD Rec/RPD 591-78-6 2-Hexanone 50 50.2 100 44.8 90 11 70-130/30 87-68-3 Hexachlorobutadiene 20 20.0 100 20.1 101 0 70-130/30 98-82-8 Isopropylbenzene 20 18.3 92 18.2 91 1 70-130/30 99-87-6 p-Isopropyltoluene 20 16.5 83 16.9 85 2 70-130/30 74-83-9 Methyl Bromide 20 18.9 95 18.4 92 3 60-140/30 74-87-3 Methyl Chloride 20 16.0 80 15.3 77 4 60-140/30 74-95-3 Methylene Bromide 20 19.1 96 17.8 89 7 70-130/30 75-09-2 Methylene Chloride 20 18.9 95 18.1 91 4 70-130/30 78-93-3 Methyl Ethyl Ketone 50 49.8 100 48.4 97 3 70-130/30 108-10-1 4-Methyl-2-pentanone 50 46.3 93 46.3 93 0 70-130/30 1634-04-4 Methyl Tert Butyl Ether 20 19.9 100 19.3 97 3 70-130/30 91-20-3 Naphthalene 20 18.0 90 18.0 90 0 70-130/30 103-65-1 n-Propylbenzene 20 15.9 80 16.0 80 1 70-130/30 100-42-5 Styrene 20 18.5 93 18.3 92 1 70-130/30 630-20-6 1,1,1,2-Tetrachloroethane 20 20.5 103 20.6 103 0 70-130/30 79-34-5 1,1,2,2-Tetrachloroethane 20 16.1 81 16.0 80 1 70-130/30 127-18-4 Tetrachloroethylene 20 19.0 95 19.1 96 1 70-130/30 108-88-3 Toluene 20 18.5 93 18.0 90 3 70-130/30 87-61-6 1,2,3-Trichlorobenzene 20 18.2 91 18.8 94 3 70-130/30 120-82-1 1,2,4-Trichlorobenzene 20 18.0 90 18.4 92 2 70-130/30 71-55-6 1,1,1-Trichloroethane 20 20.3 102 19.1 96 6 70-130/30 79-00-5 1,1,2-Trichloroethane 20 18.4 92 18.0 90 2 70-130/30 79-01-6 Trichloroethylene 20 19.5 98 19.1 96 2 70-130/30 75-69-4 Trichlorofluoromethane 20 20.2 101 19.5 98 4 60-140/30 96-18-4 1,2,3-Trichloropropane 20 17.9 90 17.9 90 0 70-130/30 95-63-6 1,2,4-Trimethylbenzene 20 15.9 80 16.3 82 2 70-130/30 108-67-8 1,3,5-Trimethylbenzene 20 16.3 82 16.7 84 2 70-130/30 108-05-4 Vinyl Acetate 20 20.8 104 19.8 99 5 70-130/30 75-01-4 Vinyl Chloride 20 17.3 87 16.7 84 4 60-140/30 m,p-Xylene 40 37.1 93 36.8 92 1 70-130/30 95-47-6 o-Xylene 20 18.0 90 17.9 90 1 70-130/30 1330-20-7 Xylene (total)60 55.2 92 54.8 91 1 70-130/30 * = Outside of Control Limits. 62 of 74 LA5813855.2.1 Blank Spike/Blank Spike Duplicate Summary Page 3 of 3 Job Number:LA58138 Account:ATCNCR ATC Group Services LLC Project:Western Boulevard, 5201 Western Blvd, Raleigh, NC Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch V2K2110-BS1 2K0118551.D 1 10/05/19 PJ n/a n/a V2K2110 V2K2110-BSD1 2K0118552.D 1 10/05/19 PJ n/a n/a V2K2110 The QC reported here applies to the following samples:Method: SM 6200B LA58138-13 CAS No.Surrogate Recoveries BSP BSD Limits 17060-07-0 1,2-Dichloroethane-D4 96%91%70-130% 2037-26-5 Toluene-D8 101%97%70-130% 460-00-4 4-Bromofluorobenzene 106%106%70-130% * = Outside of Control Limits. 63 of 74 LA5813855.2.1 Blank Spike/Blank Spike Duplicate Summary Page 1 of 3 Job Number:LA58138 Account:ATCNCR ATC Group Services LLC Project:Western Boulevard, 5201 Western Blvd, Raleigh, NC Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch V2K2111-BS1 2K0118574.D 1 10/06/19 PJ n/a n/a V2K2111 V2K2111-BSD1 2K0118575.D 1 10/06/19 PJ n/a n/a V2K2111 The QC reported here applies to the following samples:Method: SM 6200B LA58138-1, LA58138-2, LA58138-3, LA58138-4, LA58138-5, LA58138-6, LA58138-7, LA58138-8, LA58138-9, LA58138-10, LA58138-11, LA58138-12 Spike BSP BSP BSD BSD Limits CAS No.Compound ug/l ug/l %ug/l %RPD Rec/RPD 67-64-1 Acetone 50 52.1 104 51.2 102 2 70-130/30 71-43-2 Benzene 20 19.3 97 19.5 98 1 70-130/30 108-86-1 Bromobenzene 20 17.9 90 17.9 90 0 70-130/30 74-97-5 Bromochloromethane 20 18.7 94 18.3 92 2 70-130/30 75-27-4 Bromodichloromethane 20 20.5 103 20.3 102 1 70-130/30 75-25-2 Bromoform 20 19.7 99 19.4 97 2 70-130/30 104-51-8 n-Butylbenzene 20 15.2 76 15.1 76 1 70-130/30 135-98-8 sec-Butylbenzene 20 16.0 80 16.0 80 0 70-130/30 98-06-6 tert-Butylbenzene 20 16.7 84 16.7 84 0 70-130/30 56-23-5 Carbon Tetrachloride 20 21.2 106 20.4 102 4 70-130/30 108-90-7 Chlorobenzene 20 19.6 98 19.6 98 0 70-130/30 75-00-3 Chloroethane 20 17.5 88 17.3 87 1 60-140/30 67-66-3 Chloroform 20 19.9 100 18.9 95 5 70-130/30 95-49-8 o-Chlorotoluene 20 16.0 80 16.1 81 1 70-130/30 106-43-4 p-Chlorotoluene 20 15.4 77 15.3 77 1 70-130/30 124-48-1 Dibromochloromethane 20 19.7 99 19.6 98 1 70-130/30 96-12-8 1,2-Dibromo-3-chloropropane 20 16.5 83 16.0 80 3 70-130/30 106-93-4 1,2-Dibromoethane 20 17.9 90 17.8 89 1 70-130/30 75-71-8 Dichlorodifluoromethane 20 16.3 82 15.9 80 2 60-140/30 541-73-1 m-Dichlorobenzene 20 16.0 80 16.0 80 0 70-130/30 95-50-1 o-Dichlorobenzene 20 16.4 82 16.3 82 1 70-130/30 106-46-7 p-Dichlorobenzene 20 15.4 77 15.6 78 1 70-130/30 75-34-3 1,1-Dichloroethane 20 20.2 101 19.5 98 4 70-130/30 107-06-2 1,2-Dichloroethane 20 19.5 98 19.6 98 1 70-130/30 75-35-4 1,1-Dichloroethylene 20 20.1 101 19.3 97 4 70-130/30 156-59-2 cis-1,2-Dichloroethylene 20 18.6 93 18.7 94 1 70-130/30 156-60-5 trans-1,2-Dichloroethylene 20 18.9 95 18.3 92 3 70-130/30 78-87-5 1,2-Dichloropropane 20 19.4 97 19.9 100 3 70-130/30 142-28-9 1,3-Dichloropropane 20 17.8 89 17.8 89 0 70-130/30 594-20-7 2,2-Dichloropropane 20 15.2 76 14.4 72 5 70-130/30 563-58-6 1,1-Dichloropropene 20 19.8 99 19.0 95 4 70-130/30 10061-01-5 cis-1,3-Dichloropropene 20 20.1 101 20.4 102 1 70-130/30 10061-02-6 trans-1,3-Dichloropropene 20 19.6 98 19.3 97 2 70-130/30 108-20-3 Di-Isopropyl Ether 20 19.9 100 19.8 99 1 70-130/30 64-17-5 Ethyl Alcohol 400 352 88 333 83 6 70-130/30 100-41-4 Ethylbenzene 20 18.5 93 18.2 91 2 70-130/30 * = Outside of Control Limits. 64 of 74 LA5813855.2.2 Blank Spike/Blank Spike Duplicate Summary Page 2 of 3 Job Number:LA58138 Account:ATCNCR ATC Group Services LLC Project:Western Boulevard, 5201 Western Blvd, Raleigh, NC Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch V2K2111-BS1 2K0118574.D 1 10/06/19 PJ n/a n/a V2K2111 V2K2111-BSD1 2K0118575.D 1 10/06/19 PJ n/a n/a V2K2111 The QC reported here applies to the following samples:Method: SM 6200B LA58138-1, LA58138-2, LA58138-3, LA58138-4, LA58138-5, LA58138-6, LA58138-7, LA58138-8, LA58138-9, LA58138-10, LA58138-11, LA58138-12 Spike BSP BSP BSD BSD Limits CAS No.Compound ug/l ug/l %ug/l %RPD Rec/RPD 591-78-6 2-Hexanone 50 42.5 85 41.6 83 2 70-130/30 87-68-3 Hexachlorobutadiene 20 18.3 92 18.2 91 1 70-130/30 98-82-8 Isopropylbenzene 20 17.9 90 17.6 88 2 70-130/30 99-87-6 p-Isopropyltoluene 20 16.1 81 16.0 80 1 70-130/30 74-83-9 Methyl Bromide 20 14.3 72 14.5 73 1 60-140/30 74-87-3 Methyl Chloride 20 15.5 78 15.2 76 2 60-140/30 74-95-3 Methylene Bromide 20 19.3 97 19.4 97 1 70-130/30 75-09-2 Methylene Chloride 20 18.9 95 18.4 92 3 70-130/30 78-93-3 Methyl Ethyl Ketone 50 46.7 93 47.3 95 1 70-130/30 108-10-1 4-Methyl-2-pentanone 50 46.2 92 46.3 93 0 70-130/30 1634-04-4 Methyl Tert Butyl Ether 20 19.9 100 19.8 99 1 70-130/30 91-20-3 Naphthalene 20 17.3 87 17.6 88 2 70-130/30 103-65-1 n-Propylbenzene 20 15.3 77 15.2 76 1 70-130/30 100-42-5 Styrene 20 18.3 92 18.1 91 1 70-130/30 630-20-6 1,1,1,2-Tetrachloroethane 20 20.4 102 20.4 102 0 70-130/30 79-34-5 1,1,2,2-Tetrachloroethane 20 15.1 76 15.3 77 1 70-130/30 127-18-4 Tetrachloroethylene 20 17.8 89 18.2 91 2 70-130/30 108-88-3 Toluene 20 18.1 91 17.8 89 2 70-130/30 87-61-6 1,2,3-Trichlorobenzene 20 18.1 91 18.5 93 2 70-130/30 120-82-1 1,2,4-Trichlorobenzene 20 17.0 85 17.1 86 1 70-130/30 71-55-6 1,1,1-Trichloroethane 20 20.2 101 19.7 99 3 70-130/30 79-00-5 1,1,2-Trichloroethane 20 18.4 92 18.0 90 2 70-130/30 79-01-6 Trichloroethylene 20 20.4 102 20.1 101 1 70-130/30 75-69-4 Trichlorofluoromethane 20 19.8 99 19.2 96 3 60-140/30 96-18-4 1,2,3-Trichloropropane 20 17.9 90 17.9 90 0 70-130/30 95-63-6 1,2,4-Trimethylbenzene 20 15.7 79 15.7 79 0 70-130/30 108-67-8 1,3,5-Trimethylbenzene 20 16.2 81 16.2 81 0 70-130/30 108-05-4 Vinyl Acetate 20 17.1 86 16.8 84 2 70-130/30 75-01-4 Vinyl Chloride 20 17.0 85 16.3 82 4 60-140/30 m,p-Xylene 40 36.5 91 35.9 90 2 70-130/30 95-47-6 o-Xylene 20 17.8 89 17.6 88 1 70-130/30 1330-20-7 Xylene (total)60 54.3 91 53.5 89 1 70-130/30 * = Outside of Control Limits. 65 of 74 LA5813855.2.2 Blank Spike/Blank Spike Duplicate Summary Page 3 of 3 Job Number:LA58138 Account:ATCNCR ATC Group Services LLC Project:Western Boulevard, 5201 Western Blvd, Raleigh, NC Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch V2K2111-BS1 2K0118574.D 1 10/06/19 PJ n/a n/a V2K2111 V2K2111-BSD1 2K0118575.D 1 10/06/19 PJ n/a n/a V2K2111 The QC reported here applies to the following samples:Method: SM 6200B LA58138-1, LA58138-2, LA58138-3, LA58138-4, LA58138-5, LA58138-6, LA58138-7, LA58138-8, LA58138-9, LA58138-10, LA58138-11, LA58138-12 CAS No.Surrogate Recoveries BSP BSD Limits 17060-07-0 1,2-Dichloroethane-D4 94%94%70-130% 2037-26-5 Toluene-D8 99%101%70-130% 460-00-4 4-Bromofluorobenzene 106%105%70-130% * = Outside of Control Limits. 66 of 74 LA5813855.2.2 Blank Spike/Blank Spike Duplicate Summary Page 1 of 1 Job Number:LA58138 Account:ATCNCR ATC Group Services LLC Project:Western Boulevard, 5201 Western Blvd, Raleigh, NC Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch V2K2115-BS1 2K0118623.D 1 10/07/19 CP n/a n/a V2K2115 V2K2115-BSD1 2K0118624.D 1 10/07/19 CP n/a n/a V2K2115 The QC reported here applies to the following samples:Method: SM 6200B LA58138-8, LA58138-9, LA58138-10 Spike BSP BSP BSD BSD Limits CAS No.Compound ug/l ug/l %ug/l %RPD Rec/RPD 100-41-4 Ethylbenzene 20 21.0 105 20.3 102 3 70-130/30 95-63-6 1,2,4-Trimethylbenzene 20 18.1 91 17.1 86 6 70-130/30 m,p-Xylene 40 41.9 105 40.4 101 4 70-130/30 95-47-6 o-Xylene 20 20.3 102 19.6 98 4 70-130/30 1330-20-7 Xylene (total)60 62.3 104 60.0 100 4 70-130/30 CAS No.Surrogate Recoveries BSP BSD Limits 17060-07-0 1,2-Dichloroethane-D4 94%96%70-130% 2037-26-5 Toluene-D8 101%101%70-130% 460-00-4 4-Bromofluorobenzene 107%105%70-130% * = Outside of Control Limits. 67 of 74 LA5813855.2.3 Matrix Spike/Matrix Spike Duplicate Summary Page 1 of 3 Job Number:LA58138 Account:ATCNCR ATC Group Services LLC Project:Western Boulevard, 5201 Western Blvd, Raleigh, NC Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch LA58094-1MS 2K0118569.D 50 10/05/19 PJ n/a n/a V2K2110 LA58094-1MSD 2K0118570.D 5 10/05/19 PJ n/a n/a V2K2110 LA58094-1 2K0118564.D 50 10/05/19 PJ n/a n/a V2K2110 The QC reported here applies to the following samples:Method: SM 6200B LA58138-13 LA58094-1 Spike MS MS Spike MSD MSD Limits CAS No.Compound ug/l Q ug/l ug/l %ug/l ug/l %RPD Rec/RPD 67-64-1 Acetone ND 2500 1510 60*250 153 61*163*70-130/20 71-43-2 Benzene ND 1000 982 98 100 93.2 93 165*70-130/20 108-86-1 Bromobenzene ND 1000 907 91 100 89.7 90 164*70-130/20 74-97-5 Bromochloromethane ND 1000 950 95 100 90.3 90 165*70-130/20 75-27-4 Bromodichloromethane ND 1000 1030 103 100 98.4 98 165*70-130/20 75-25-2 Bromoform ND 1000 994 99 100 96.5 97 165*70-130/20 104-51-8 n-Butylbenzene ND 1000 737 74 100 75.9 76 163*70-130/20 135-98-8 sec-Butylbenzene ND 1000 787 79 100 79.9 80 163*70-130/20 98-06-6 tert-Butylbenzene ND 1000 826 83 100 80.9 81 164*70-130/20 56-23-5 Carbon Tetrachloride ND 1000 1100 110 100 104 104 165*70-130/20 108-90-7 Chlorobenzene ND 1000 998 100 100 95.8 96 165*70-130/20 75-00-3 Chloroethane ND 1000 849 85 100 85.0 85 164*60-140/20 67-66-3 Chloroform ND 1000 1010 101 100 93.6 94 166*70-130/20 95-49-8 o-Chlorotoluene ND 1000 788 79 100 78.6 79 164*70-130/20 106-43-4 p-Chlorotoluene ND 1000 768 77 100 75.9 76 164*70-130/20 124-48-1 Dibromochloromethane ND 1000 1000 100 100 96.1 96 165*70-130/20 96-12-8 1,2-Dibromo-3-chloropropane ND 1000 803 80 100 78.2 78 165*70-130/20 106-93-4 1,2-Dibromoethane ND 1000 912 91 100 91.3 91 164*70-130/20 75-71-8 Dichlorodifluoromethane ND 1000 826 83 100 77.6 78 166*60-140/20 541-73-1 m-Dichlorobenzene ND 1000 794 79 100 79.6 80 164*70-130/20 95-50-1 o-Dichlorobenzene ND 1000 805 81 100 81.0 81 163*70-130/20 106-46-7 p-Dichlorobenzene ND 1000 762 76 100 77.2 77 163*70-130/20 75-34-3 1,1-Dichloroethane ND 1000 999 100 100 96.5 97 165*70-130/20 107-06-2 1,2-Dichloroethane ND 1000 1010 101 100 98.2 98 165*70-130/20 75-35-4 1,1-Dichloroethylene ND 1000 1030 103 100 96.6 97 166*70-130/20 156-59-2 cis-1,2-Dichloroethylene ND 1000 967 97 100 91.4 91 165*70-130/20 156-60-5 trans-1,2-Dichloroethylene ND 1000 963 96 100 88.9 89 166*70-130/20 78-87-5 1,2-Dichloropropane ND 1000 980 98 100 95.2 95 165*70-130/20 142-28-9 1,3-Dichloropropane ND 1000 909 91 100 88.5 89 165*70-130/20 594-20-7 2,2-Dichloropropane ND 1000 825 83 100 76.8 77 166*70-130/20 563-58-6 1,1-Dichloropropene ND 1000 1000 100 100 94.7 95 165*70-130/20 10061-01-5 cis-1,3-Dichloropropene ND 1000 1040 104 100 99.2 99 165*70-130/20 10061-02-6 trans-1,3-Dichloropropene ND 1000 979 98 100 98.0 98 164*70-130/20 108-20-3 Di-Isopropyl Ether ND 1000 1000 100 100 96.7 97 165*70-130/20 64-17-5 Ethyl Alcohol ND 20000 15900 80 2000 1650 83 162*70-130/20 100-41-4 Ethylbenzene ND 1000 936 94 100 90.9 91 165*70-130/20 * = Outside of Control Limits. 68 of 74 LA5813855.3.1 Matrix Spike/Matrix Spike Duplicate Summary Page 2 of 3 Job Number:LA58138 Account:ATCNCR ATC Group Services LLC Project:Western Boulevard, 5201 Western Blvd, Raleigh, NC Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch LA58094-1MS 2K0118569.D 50 10/05/19 PJ n/a n/a V2K2110 LA58094-1MSD 2K0118570.D 5 10/05/19 PJ n/a n/a V2K2110 LA58094-1 2K0118564.D 50 10/05/19 PJ n/a n/a V2K2110 The QC reported here applies to the following samples:Method: SM 6200B LA58138-13 LA58094-1 Spike MS MS Spike MSD MSD Limits CAS No.Compound ug/l Q ug/l ug/l %ug/l ug/l %RPD Rec/RPD 591-78-6 2-Hexanone ND 2500 1930 77 250 216 86 160*70-130/20 87-68-3 Hexachlorobutadiene ND 1000 876 88 100 91.2 91 162*70-130/20 98-82-8 Isopropylbenzene ND 1000 913 91 100 88.8 89 165*70-130/20 99-87-6 p-Isopropyltoluene ND 1000 791 79 100 79.9 80 163*70-130/20 74-83-9 Methyl Bromide ND 1000 537 54*100 66.0 66 156*60-140/20 74-87-3 Methyl Chloride ND 1000 749 75 100 72.8 73 165*60-140/20 74-95-3 Methylene Bromide ND 1000 985 99 100 94.6 95 165*70-130/20 75-09-2 Methylene Chloride ND 1000 947 95 100 89.8 90 165*70-130/20 78-93-3 Methyl Ethyl Ketone ND 2500 2050 82 250 196 78 165*70-130/20 108-10-1 4-Methyl-2-pentanone ND 2500 2300 92 250 230 92 164*70-130/20 1634-04-4 Methyl Tert Butyl Ether 4650 1000 5840 119 100 565 -4085* a165*70-130/20 91-20-3 Naphthalene ND 1000 810 81 100 87.0 87 161*70-130/20 103-65-1 n-Propylbenzene ND 1000 758 76 100 75.6 76 164*70-130/20 100-42-5 Styrene ND 1000 922 92 100 89.6 90 165*70-130/20 630-20-6 1,1,1,2-Tetrachloroethane ND 1000 1070 107 100 102 102 165*70-130/20 79-34-5 1,1,2,2-Tetrachloroethane ND 1000 773 77 100 79.5 80 163*70-130/20 127-18-4 Tetrachloroethylene ND 1000 941 94 100 90.9 91 165*70-130/20 108-88-3 Toluene ND 1000 905 91 100 88.7 89 164*70-130/20 87-61-6 1,2,3-Trichlorobenzene ND 1000 866 87 100 90.7 91 162*70-130/20 120-82-1 1,2,4-Trichlorobenzene ND 1000 825 83 100 85.6 86 162*70-130/20 71-55-6 1,1,1-Trichloroethane ND 1000 1040 104 100 97.5 98 166*70-130/20 79-00-5 1,1,2-Trichloroethane ND 1000 897 90 100 89.9 90 164*70-130/20 79-01-6 Trichloroethylene ND 1000 971 97 100 94.2 94 165*70-130/20 75-69-4 Trichlorofluoromethane ND 1000 1010 101 100 95.4 95 165*60-140/20 96-18-4 1,2,3-Trichloropropane ND 1000 924 92 100 91.6 92 164*70-130/20 95-63-6 1,2,4-Trimethylbenzene ND 1000 777 78 100 78.1 78 163*70-130/20 108-67-8 1,3,5-Trimethylbenzene ND 1000 814 81 100 80.9 81 164*70-130/20 108-05-4 Vinyl Acetate ND 1000 1060 106 100 103 103 165*70-130/20 75-01-4 Vinyl Chloride ND 1000 804 80 100 79.2 79 164*60-140/20 m,p-Xylene ND 2000 1860 93 200 181 91 165*70-130/20 95-47-6 o-Xylene ND 1000 906 91 100 88.9 89 164*70-130/20 1330-20-7 Xylene (total)ND 3000 2760 92 300 270 90 164*70-130/20 * = Outside of Control Limits. 69 of 74 LA5813855.3.1 Matrix Spike/Matrix Spike Duplicate Summary Page 3 of 3 Job Number:LA58138 Account:ATCNCR ATC Group Services LLC Project:Western Boulevard, 5201 Western Blvd, Raleigh, NC Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch LA58094-1MS 2K0118569.D 50 10/05/19 PJ n/a n/a V2K2110 LA58094-1MSD 2K0118570.D 5 10/05/19 PJ n/a n/a V2K2110 LA58094-1 2K0118564.D 50 10/05/19 PJ n/a n/a V2K2110 The QC reported here applies to the following samples:Method: SM 6200B LA58138-13 CAS No.Surrogate Recoveries MS MSD LA58094-1 Limits 17060-07-0 1,2-Dichloroethane-D4 99%95%99%70-130% 2037-26-5 Toluene-D8 98%98%92%70-130% 460-00-4 4-Bromofluorobenzene 109%106%95%70-130% (a) Outside control limits due to high level in sample relative to spike amount. * = Outside of Control Limits. 70 of 74 LA5813855.3.1 Matrix Spike/Matrix Spike Duplicate Summary Page 1 of 3 Job Number:LA58138 Account:ATCNCR ATC Group Services LLC Project:Western Boulevard, 5201 Western Blvd, Raleigh, NC Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch LA58138-10MS 2K0118592.D 5 10/06/19 PJ n/a n/a V2K2111 LA58138-10MSD 2K0118593.D 5 10/06/19 PJ n/a n/a V2K2111 LA58138-10 2K0118589.D 5 10/06/19 PJ n/a n/a V2K2111 The QC reported here applies to the following samples:Method: SM 6200B LA58138-1, LA58138-2, LA58138-3, LA58138-4, LA58138-5, LA58138-6, LA58138-7, LA58138-8, LA58138-9, LA58138-10, LA58138-11, LA58138-12 LA58138-10 Spike MS MS Spike MSD MSD Limits CAS No.Compound ug/l Q ug/l ug/l %ug/l ug/l %RPD Rec/RPD 67-64-1 Acetone ND 250 166 66*250 162 65*2 70-130/20 71-43-2 Benzene 146 100 235 89 100 239 93 2 70-130/20 108-86-1 Bromobenzene ND 100 89.4 89 100 87.7 88 2 70-130/20 74-97-5 Bromochloromethane ND 100 96.4 96 100 91.9 92 5 70-130/20 75-27-4 Bromodichloromethane ND 100 98.4 98 100 99.9 100 2 70-130/20 75-25-2 Bromoform ND 100 90.9 91 100 89.3 89 2 70-130/20 104-51-8 n-Butylbenzene ND 100 82.6 83 100 83.0 83 0 70-130/20 135-98-8 sec-Butylbenzene 2.6 100 80.3 78 100 80.4 78 0 70-130/20 98-06-6 tert-Butylbenzene ND 100 80.4 80 100 81.5 82 1 70-130/20 56-23-5 Carbon Tetrachloride ND 100 103 103 100 107 107 4 70-130/20 108-90-7 Chlorobenzene ND 100 96.1 96 100 96.3 96 0 70-130/20 75-00-3 Chloroethane ND 100 86.9 87 100 87.7 88 1 60-140/20 67-66-3 Chloroform ND 100 96.4 96 100 95.6 96 1 70-130/20 95-49-8 o-Chlorotoluene ND 100 79.2 79 100 77.8 78 2 70-130/20 106-43-4 p-Chlorotoluene ND 100 76.9 77 100 75.3 75 2 70-130/20 124-48-1 Dibromochloromethane ND 100 97.1 97 100 95.9 96 1 70-130/20 96-12-8 1,2-Dibromo-3-chloropropane ND 100 79.8 80 100 74.4 74 7 70-130/20 106-93-4 1,2-Dibromoethane ND 100 90.9 91 100 90.1 90 1 70-130/20 75-71-8 Dichlorodifluoromethane ND 100 79.7 80 100 79.2 79 1 60-140/20 541-73-1 m-Dichlorobenzene ND 100 78.8 79 100 77.3 77 2 70-130/20 95-50-1 o-Dichlorobenzene ND 100 81.0 81 100 79.9 80 1 70-130/20 106-46-7 p-Dichlorobenzene ND 100 75.3 75 100 74.7 75 1 70-130/20 75-34-3 1,1-Dichloroethane ND 100 101 101 100 101 101 0 70-130/20 107-06-2 1,2-Dichloroethane ND 100 96.3 96 100 94.7 95 2 70-130/20 75-35-4 1,1-Dichloroethylene ND 100 99.2 99 100 103 103 4 70-130/20 156-59-2 cis-1,2-Dichloroethylene ND 100 98.1 98 100 96.6 97 2 70-130/20 156-60-5 trans-1,2-Dichloroethylene ND 100 92.9 93 100 93.7 94 1 70-130/20 78-87-5 1,2-Dichloropropane ND 100 97.9 98 100 100 100 2 70-130/20 142-28-9 1,3-Dichloropropane ND 100 91.0 91 100 88.7 89 3 70-130/20 594-20-7 2,2-Dichloropropane ND 100 63.4 63*100 59.1 59*7 70-130/20 563-58-6 1,1-Dichloropropene ND 100 98.1 98 100 99.1 99 1 70-130/20 10061-01-5 cis-1,3-Dichloropropene ND 100 96.4 96 100 97.2 97 1 70-130/20 10061-02-6 trans-1,3-Dichloropropene ND 100 91.8 92 100 88.6 89 4 70-130/20 108-20-3 Di-Isopropyl Ether 127 100 232 105 100 227 100 2 70-130/20 64-17-5 Ethyl Alcohol ND 2000 1810 91 2000 1900 95 5 70-130/20 100-41-4 Ethylbenzene 439 100 513 74 100 519 80 1 70-130/20 * = Outside of Control Limits. 71 of 74 LA5813855.3.2 Matrix Spike/Matrix Spike Duplicate Summary Page 2 of 3 Job Number:LA58138 Account:ATCNCR ATC Group Services LLC Project:Western Boulevard, 5201 Western Blvd, Raleigh, NC Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch LA58138-10MS 2K0118592.D 5 10/06/19 PJ n/a n/a V2K2111 LA58138-10MSD 2K0118593.D 5 10/06/19 PJ n/a n/a V2K2111 LA58138-10 2K0118589.D 5 10/06/19 PJ n/a n/a V2K2111 The QC reported here applies to the following samples:Method: SM 6200B LA58138-1, LA58138-2, LA58138-3, LA58138-4, LA58138-5, LA58138-6, LA58138-7, LA58138-8, LA58138-9, LA58138-10, LA58138-11, LA58138-12 LA58138-10 Spike MS MS Spike MSD MSD Limits CAS No.Compound ug/l Q ug/l ug/l %ug/l ug/l %RPD Rec/RPD 591-78-6 2-Hexanone ND 250 184 74 250 167 67*10 70-130/20 87-68-3 Hexachlorobutadiene ND 100 77.0 77 100 79.7 80 3 70-130/20 98-82-8 Isopropylbenzene 21.7 100 110 88 100 112 90 2 70-130/20 99-87-6 p-Isopropyltoluene 2.4 100 80.1 78 100 81.0 79 1 70-130/20 74-83-9 Methyl Bromide ND 100 55.7 56*100 78.0 78 33*60-140/20 74-87-3 Methyl Chloride 1.7 100 77.3 76 100 78.1 76 1 60-140/20 74-95-3 Methylene Bromide ND 100 94.2 94 100 95.5 96 1 70-130/20 75-09-2 Methylene Chloride ND 100 96.8 97 100 96.4 96 0 70-130/20 78-93-3 Methyl Ethyl Ketone ND 250 210 84 250 198 79 6 70-130/20 108-10-1 4-Methyl-2-pentanone ND 250 245 98 250 234 94 5 70-130/20 1634-04-4 Methyl Tert Butyl Ether 25.9 100 130 104 100 123 97 6 70-130/20 91-20-3 Naphthalene 193 100 297 104 100 295 102 1 70-130/20 103-65-1 n-Propylbenzene 40.4 100 113 73 100 113 73 0 70-130/20 100-42-5 Styrene ND 100 90.0 90 100 90.2 90 0 70-130/20 630-20-6 1,1,1,2-Tetrachloroethane ND 100 99.1 99 100 97.3 97 2 70-130/20 79-34-5 1,1,2,2-Tetrachloroethane ND 100 80.8 81 100 78.3 78 3 70-130/20 127-18-4 Tetrachloroethylene ND 100 90.2 90 100 89.5 90 1 70-130/20 108-88-3 Toluene 170 100 250 80 100 253 83 1 70-130/20 87-61-6 1,2,3-Trichlorobenzene ND 100 85.2 85 100 87.5 88 3 70-130/20 120-82-1 1,2,4-Trichlorobenzene ND 100 81.5 82 100 82.7 83 1 70-130/20 71-55-6 1,1,1-Trichloroethane ND 100 101 101 100 102 102 1 70-130/20 79-00-5 1,1,2-Trichloroethane ND 100 95.2 95 100 89.2 89 7 70-130/20 79-01-6 Trichloroethylene ND 100 94.0 94 100 96.1 96 2 70-130/20 75-69-4 Trichlorofluoromethane ND 100 95.9 96 100 95.9 96 0 60-140/20 96-18-4 1,2,3-Trichloropropane ND 100 91.4 91 100 88.3 88 3 70-130/20 95-63-6 1,2,4-Trimethylbenzene 296 100 355 59* a 100 351 55* a 1 70-130/20 108-67-8 1,3,5-Trimethylbenzene 152 100 223 71 100 220 68*1 70-130/20 108-05-4 Vinyl Acetate ND 100 96.8 97 100 93.7 94 3 70-130/20 75-01-4 Vinyl Chloride ND 100 83.0 83 100 84.0 84 1 60-140/20 m,p-Xylene 400 200 566 83 200 570 85 1 70-130/20 95-47-6 o-Xylene 578 E 100 660 82 100 664 86 1 70-130/20 1330-20-7 Xylene (total)977 E 300 1230 84 300 1230 84 0 70-130/20 * = Outside of Control Limits. 72 of 74 LA5813855.3.2 Matrix Spike/Matrix Spike Duplicate Summary Page 3 of 3 Job Number:LA58138 Account:ATCNCR ATC Group Services LLC Project:Western Boulevard, 5201 Western Blvd, Raleigh, NC Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch LA58138-10MS 2K0118592.D 5 10/06/19 PJ n/a n/a V2K2111 LA58138-10MSD 2K0118593.D 5 10/06/19 PJ n/a n/a V2K2111 LA58138-10 2K0118589.D 5 10/06/19 PJ n/a n/a V2K2111 The QC reported here applies to the following samples:Method: SM 6200B LA58138-1, LA58138-2, LA58138-3, LA58138-4, LA58138-5, LA58138-6, LA58138-7, LA58138-8, LA58138-9, LA58138-10, LA58138-11, LA58138-12 CAS No.Surrogate Recoveries MS MSD LA58138-10 Limits 17060-07-0 1,2-Dichloroethane-D4 97%92%91%70-130% 2037-26-5 Toluene-D8 99%98%98%70-130% 460-00-4 4-Bromofluorobenzene 104%105%99%70-130% (a) Outside control limits due to high level in sample relative to spike amount. * = Outside of Control Limits. 73 of 74 LA5813855.3.2 Matrix Spike/Matrix Spike Duplicate Summary Page 1 of 1 Job Number:LA58138 Account:ATCNCR ATC Group Services LLC Project:Western Boulevard, 5201 Western Blvd, Raleigh, NC Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch LA58145-1MS 2K0118642.D 5 10/07/19 CP n/a n/a V2K2115 LA58145-1MSD 2K0118643.D 5 10/07/19 CP n/a n/a V2K2115 LA58145-1 2K0118638.D 1 10/07/19 CP n/a n/a V2K2115 The QC reported here applies to the following samples:Method: SM 6200B LA58138-8, LA58138-9, LA58138-10 LA58145-1 Spike MS MS Spike MSD MSD Limits CAS No.Compound ug/l Q ug/l ug/l %ug/l ug/l %RPD Rec/RPD 100-41-4 Ethylbenzene ND 100 90.9 91 100 96.9 97 6 70-130/20 95-63-6 1,2,4-Trimethylbenzene 0.18 100 77.2 77 100 83.3 83 8 70-130/20 m,p-Xylene ND 200 181 91 200 193 97 6 70-130/20 95-47-6 o-Xylene ND 100 88.3 88 100 93.5 94 6 70-130/20 1330-20-7 Xylene (total)ND 300 269 90 300 286 95 6 70-130/20 CAS No.Surrogate Recoveries MS MSD LA58145-1 Limits 17060-07-0 1,2-Dichloroethane-D4 96%97%87%70-130% 2037-26-5 Toluene-D8 102%101%96%70-130% 460-00-4 4-Bromofluorobenzene 107%108%97%70-130% * = Outside of Control Limits. 74 of 74 LA5813855.3.3 APPENDIX C WELL CONSTRUCTION DETIALS AND BORING LOG WELL CONSTRUCTION RECORD This form can be used for single or multiple wells Form GW-1 North Carolina Department of Environment and Natural Resources – Division of Water Quality Revised Jan. 2013 1. Well Contractor Information: Well Contractor Name NC Well Contractor Certification Number Company Name 2. Well Construction Permit #: List all applicable well construction permits (i.e. County, State, Variance, etc.) 3. Well Use (check well use): Water Supply Well: □Agricultural □Municipal/Public □Geothermal (Heating/Cooling Supply) □Residential Water Supply (single) □Industrial/Commercial □Residential Water Supply (shared) □Irrigation Non-Water Supply Well: □Monitoring □Recovery Injection Well: □Aquifer Recharge □Groundwater Remediation □Aquifer Storage and Recovery □Salinity Barrier □Aquifer Test □Stormwater Drainage □Experimental Technology □Subsidence Control □Geothermal (Closed Loop) □Tracer □Geothermal (Heating/Cooling Return) □Other (explain under #21 Remarks) 4. Date Well(s) Completed: ____________ Well ID#______________________ 5a. Well Location: Facility/Owner Name Facility ID# (if applicable) Physical Address, City, and Zip County Parcel Identification No. (PIN) 5b. Latitude and Longitude in degrees/minutes/seconds or decimal degrees: (if well field, one lat/long is sufficient) N W 6. Is (are) the well(s): □Permanent or □Temporary 7. Is this a repair to an existing well: □Yes or □No If this is a repair, fill out known well construction information and explain the nature of the repair under #21 remarks section or on the back of this form. 8. Number of wells constructed: For multiple injection or non-water supply wells ONLY with the same construction, you can submit one form. 9. Total well depth below land surface: (ft.) For multiple wells list all depths if different (example- 3@200’ and 2@100′) 10. Static water level below top of casing: (ft.) If water level is above casing, use “+” 11. Borehole diameter: (in.) 12. Well construction method: (i.e. auger, rotary, cable, direct push, etc.) FOR WATER SUPPLY WELLS ONLY: 13a. Yield (gpm) Method of test: 13b. Disinfection type: Amount: 14. WATER ZONES FROM TO DESCRIPTION ft. ft. ft. ft. 15. OUTER CASING (for multi-cased wells) OR LINER (if applicable) FROM TO DIAMETER THICKNESS MATERIAL ft. ft. in. 16. INNER CASING OR TUBING (geothermal closed-loop) FROM TO DIAMETER THICKNESS MATERIAL ft. ft. in. ft. ft. in. 17. SCREEN FROM TO DIAMETER SLOT SIZE THICKNESS MATERIAL ft. ft. in. ft. ft. in. 18. GROUT FROM TO MATERIAL EMPLACEMENT METHOD & AMOUNT ft. ft. ft. ft. ft. ft. 19. SAND/GRAVEL PACK (if applicable) FROM TO MATERIAL EMPLACEMENT METHOD ft. ft. ft. ft. 20. DRILLING LOG (attach additional sheets if necessary) FROM TO DESCRIPTION (color, hardness, soil/rock type, grain size, etc.) ft. ft. ft. ft. ft. ft. ft. ft. ft. ft. ft. ft. ft. ft. 21. REMARKS 22. Certification: Signature of Certified Well Contractor Date By signing this form, I hereby certify that the well(s) was (were) constructed in accordance with 15A NCAC 02C .0100 or 15A NCAC 02C .0200 Well Construction Standards and that a copy of this record has been provided to the well owner. 23. Site diagram or additional well details: You may use the back of this page to provide additional well site details or well construction details. You may also attach additional pages if necessary. SUBMITTAL INSTUCTIONS 24a. For All Wells: Submit this form within 30 days of completion of well construction to the following: Division of Water Quality, Information Processing Unit, 1617 Mail Service Center, Raleigh, NC 27699-1617 24b. For Injection Wells: In addition to sending the form to the address in 24a above, also submit a copy of this form within 30 days of completion of well construction to the following: Division of Water Quality, Underground Injection Control Program, 1636 Mail Service Center, Raleigh, NC 27699-1636 24c. For Water Supply & Injection Wells: In addition to sending the form to the address(es) above, also submit one copy of this form within 30 days of completion of well construction to the county health department of the county where constructed. For Internal Use ONLY: 12-16-2019 S:\Enviro\NCDENR State Lead Contract\Mark Sites\Western Blvd Exxon\Boring Logs\AS-1.borATC Project No. SL2318209 Raleigh, North Carolina 5201 Western Boulevard Western Boulevard Client: Mark Petermann BORING LOG: AS-1 (Page 1 of 1) Date(s) Drilled : 10/10/19 Drilling Contractor : Geologic Exploration Inc. Drilling Method : Hollow Stem Augers Boring Diameter : 6 Inches Sampling Method : Sampling Interval : Logged By : BB Depth in Feet0 5 10 15 20 25 30 35 40 USCSGRAPHICDESCRIPTION FBGW CL ML ML Asphalt Grey GRAVEL Reddish tan SILTY CLAY Red CLAYEY SILT Dark red SILT; slightly moist and faint odor @ 25' bgs, saturated and strong odor @ 35' bgs End of Boring bgs - below ground surface Boring: AS-1 Grout Bentonite Sand Pack Cover Screen