Loading...
HomeMy WebLinkAboutMO-7549_36190_CA_MRP_20230831 CES Group Engineers, LLP IMPROVING. PROTECTING. RESTORING. CHARLOTTE, NC 3525 Whitehall Park Drive, Suite 150 Charlotte, NC 28273 COLUMBIA, SC 1411 Gervais Street, Suite 140 Columbia, SC 29201 www.ces-group.net August 31, 2023 Scott Ryals, PE Environmental Engineer North Carolina Department of Environmental Quality DWM UST Section 1646 Mail Service Center Raleigh, North Carolina 27699-1646 RE: Groundwater Monitoring Report Exprezit #503 Incident No’s.: 6760 / 36190 UST ID No’s.: MO-3089 / MO-7549 Facility ID No’s.: 00-0-0000029594 / 00-0-0000007433 910 First Avenue, Southwest Hickory, Catawba County, North Carolina 28602 Dear Mr. Ryals: CES Group Engineers, LLP (CES), while under contract with the North Carolina Department of Environmental Quality (NCDEQ), Contract No.: N042023, executed on February 24, 2023, is submitting this Groundwater Monitoring Report to you electronically via email. The performed work was authorized by NCDEQ Task Authorization (TA) #02, approved on June 16, 2023. Should you have any questions in regards to this submittal, please do not hesitate to contact me at (704) 325-5408. Regards, Greg Hans, PMP Environmental Division Manager Enclosures: Groundwater Monitoring Report CES Project No. 8123.0323E August 31, 2023 GROUNDWATER MONITORING REPORT Exprezit #503 910 First Avenue SW Hickory, Catawba County, North Carolina 28602 NCDEQ Incident No’s.: 6760 / 36190 UST ID No’s.: MO-3089 / MO-7549 Facility ID No’s.: 00-0-0000029594 / 00-0-0000007433 August 31, 2023 Prepared for: Mr. Scott Ryals NCDEQ DWM UST Section 1646 Mail Service Center Raleigh, North Carolina 27699-1646 Prepared by: CES Group Engineers, LLP 3525 Whitehall Park Drive, Suite 150 Charlotte, North Carolina 28273 CES Project No. 8123.0323E August 31, 2023 TABLE OF CONTENTS Page 1.0 SITE INFORMATION ...................................................................................................... 1 1.1 Identification ........................................................................................................ 1 1.2 Contact Information............................................................................................. 1 1.3 Release Information ............................................................................................ 1 1.4 Certification ......................................................................................................... 2 2.0 EXECUTIVE SUMMARY ................................................................................................ 3 3.0 SCOPE OF SERVICES .................................................................................................. 4 4.0 SITE HISTORY AND CHARACTERIZATION ................................................................ 5 4.1 UST Owner and Operator Information ............................................................... 6 4.2 UST Information .................................................................................................. 7 4.3 Non-UST Information .......................................................................................... 7 4.4 Release Description ............................................................................................ 7 4.5 Site Characteristics ............................................................................................. 7 4.6 Affected Property Owners and Occupants ......................................................... 8 4.7 Receptor Information .......................................................................................... 8 4.8 Remedial Plan Implementation ........................................................................... 9 4.9 Remediation Progress ........................................................................................ 9 5.0 CURRENT SITE ASSESSMENT INFORMATION ....................................................... 10 5.1 Water Level and Free Product Thickness Measurements ............................... 10 5.2 Groundwater Monitoring and Sampling Event ................................................. 10 5.3 Surface Water Monitoring Event ....................................................................... 10 5.4 Soil Monitoring Events ...................................................................................... 10 5.5 Summary of Groundwater and Free Product Assessment Information ........... 10 5.6 Site Geology and Hydrogeology ....................................................................... 11 5.7 Evaluation of Groundwater and Free Product Thickness Information ............. 11 6.0 FREE PRODUCT REMOVAL ....................................................................................... 12 6.1 Free Product Current and Historical Status ..................................................... 12 6.2 Free Product Effluent Discharges and/or Recovery ......................................... 12 6.3 Free Product Recovery Methods ...................................................................... 12 6.4 Free Product Conclusions and Recommendations .......................................... 12 7.0 SOIL REMEDIATION .................................................................................................... 13 7.1 Soil Remediation Activities ............................................................................... 13 7.2 Chronology of Soil Remediation Activities (Corrective Action Plan) ................ 13 7.3 Costs of Soil Remediation Activities ................................................................. 13 8.0 GROUNDWATER REMEDIATION .............................................................................. 14 8.1 Groundwater Remediation Activities ................................................................ 14 8.2 Chronology of Groundwater Remediation Activities (Corrective Action Plan) . 14 8.3 Costs of Groundwater Remediation Activities .................................................. 14 CES Project No. 8123.0323E August 31, 2023 9.0 CONCLUSIONS AND RECOMMENDATIONS ............................................................ 15 9.1 Conclusions ....................................................................................................... 15 9.2 Recommendations ............................................................................................ 15 10.0 REFERENCES ............................................................................................................. 16 CES Project No. 8123.0323E August 31, 2023 FIGURES FIGURE 1 SITE LOCATION MAP FIGURE 2 SITE PLAN FIGURE 3 GROUNDWATER ELEVATION PLAN (AUGUST 2023) FIGURE 4 VOC ISOCONCENTRATION AND ESTIMATED HORIZONTAL EXTENT OF CONTAMINATION PLAN (AUGUST 2023) TABLES TABLE B-1 SITE HISTORY – UST/AST SYSTEM AND OTHER RELEASE INFORMATION TABLE B-2 SITE HISTORY – UST/AST OWNER/OPERATOR AND OTHER RESPONSIBLE PARTY INFORMATION TABLE B-4 SUMMARY OF GROUNDWATER ANALYTICAL RESULTS TABLE B-5 PUBLIC AND PRIVATE WATER SUPPLY WELL AND OTHER RECEPTOR INFORMATION TABLE B-9 CURRENT GROUNDWATER ELEVATIONS AND FREE PRODUCT THICKNESS APPENDICES APPENDIX A HISTORICAL DATA APPENDIX B PHOTOGRAPHIC LOGS APPENDIX C MONITORING FIELD DATA SHEETS, JOB HAZARD ANALYSIS, AND HEALTH & SAFETY PLAN APPENDIX D GROUNDWATER WELL LABORATORY REPORTS AND CHAIN-OF- CUSTODY RECORDS CES Project No. 8123.0323E September 1, 2023 1 1.0 SITE INFORMATION 1.1 Identification Date of Report: August 31, 2023 Site Risk/Ranking: Low Facility I.D.:00-0-0000029594 / 00-0- 0000007433 UST Incident Number (if known): 6760 / 36190 Site Name: Exprezit #503 Street Address:910 First Avenue, Southwest City/Town:Hickory Zip Code: 28602 City/T own: Hickory Description of Geographical Data Point (e.g., UST):Approximate Former USTs Location Method (GPS, topographical map, online map, other):GIS Address Matching Latitude (decimal degrees):35.73119 Longitude (decimal degrees): -81.35280 1.2 Contact Information UST/AST Owner: TOC Retail, Inc (6760) / Exprezit ! Convenience Stores, LLC (36190) Email: N/A Address: 910 First Avenue, SW, Hickory, NC 28602 / 548 Mary Esther Cut of PMB #286, Fort Walton Beach. FL 32548 Tel: N/A UST/AST Operator: TOC Retail, Inc (6760) / DBA Exprezit ! 503 (36190) Email: N/A Address: 910 First Avenue, SW, Hickory, NC 28602 / 548 Mary Esther Cut of PMB #286, Fort Walton Beach. FL 32548 Tel: N/A Property Owner: Harley Group, LLC Email: N/A Address: 1097 Harbor View Road, Charleston, SC 29412 Tel: N/A Property Occupant: Vacant Email: N/A Address: N/A Tel: N/A Consultant/Contractor: CES Group Engineers, LLP. Email: ghans@ces-group.net Address: 3525 Whitehall Park Drive, Suite 150, Charlotte, NC 28273 Tel: 704-325-5408 Analytical Laboratory: Waypoint Analytical State Certification No: 402 Address: 449 Springbrook Road, Charlotte, NC 28217 Tel: 704-529-6364 Drilling Contractor: N/A Email: Address: Tel: 1.3 Release Information Date Discovered: 5/3/1989 (6760) and 4/13/2005 (36190) (According to the NCDEQ Incidents Map Database) Estimated Quantity of Release: Unknown Cause of Release: Unknown Source of Release (e.g., Dispenser/Piping/UST):UST (Presumed) Sizes and Contents of Tanks or Other Containment from which the Release Occurred:  One 10,000-gal gasoline UST; two 4,000-gal gasoline USTs; One 4,000- gallon diesel UST CES Project No. 8123.0323E September 1, 2023 2 1.4 Certification I, Charles D. Heleine, a North Carolina Licensed Professional Engineer employed by CES, do certify that the information contained in this report is accurate, to the best of my knowledge. E-Signature 08/31/2023 Charles D. Heleine, NC PE No. 27196 CES Group Engineers, LLP (CES) is licensed to practice engineering in North Carolina. The firm license number is F-1240. CES Project No. 8123.0323E September 1, 2023 3 2.0 EXECUTIVE SUMMARY This Groundwater Monitoring Report (GW Report) summarizes petroleum hydrocarbon impacts in groundwater from an apparent release of petroleum-related constituents in March 1989, identified during a subsurface investigation (Incident Number 6760), and subsequently in April 2005, during the removal of underground storage tanks (USTs) (Incident Number 36190), located at Exprezit #503, 910 First Avenue SW, Hickory, Catawba County, North Carolina (Site). CES Group Engineers, LLP (CES) has been authorized to perform groundwater monitoring activities by the North Carolina Department of Environmental Quality (NCDEQ), represented by Scott Ryals, PE, Environmental Engineer. During this monitoring period, groundwater samples were collected from monitoring wells MW-3, MW-5, MW-7, MW-10, MW-21, and MW-23 on August 2, 2023, and analyzed for petroleum hydrocarbon constituents. Petroleum hydrocarbon constituents in groundwater were reported ABOVE the 2L Standard from the following monitoring well: MW-21: naphthalene (41.8 ug/l) and aliphatic C5-C8 (1,530 ug/l). All other petroleum constituents in groundwater were reported BELOW 2L Standards from MW-3, MW-5, MW-7, MW-10, MW-21, and MW-23. Petroleum hydrocarbon constituents in groundwater were reported BELOW the Gross Contaminant Level (GCL) Standard in MW-3, MW-5, MW-7, MW-10, MW-21, and MW-23. Free product was not detected in any of the onsite groundwater monitoring wells. According to information retrieved from the NCDEQ UST Incidents Map, the subject site was previously assigned a Low-Risk classification by NCDEQ. No water supply wells and/or other receptors were identified within 1,500-feet of the site during the completion of a Receptor Survey in May, 2023. This report provides data necessary to fulfill a GW Report, in accordance with 15A NCAC 2L.0100, and is formatted in conformance with Appendix A of the Guidelines for Assessment and Corrective Action for UST Releases, dated March 7, 2022. CES Project No. 8123.0323E September 1, 2023 4 3.0 SCOPE OF SERVICES The scope of services for this report were authorized by NCDEQ Task Authorization (TA) #02, approved on June 16, 2023, under CES Contract Number N042023, dated February 24, 2023. In accordance with the approved TA, the approved scope of services included the following:  Collect groundwater samples from up to six monitoring wells and collect one field blank for laboratory analysis of 6200B, including MTBE and IPE/EDB, VPH, EPH, and Lead.  Prepare and submit one Groundwater Monitoring Report summarizing the field and laboratory analytical findings. CES Project No. 8123.0323E September 1, 2023 5 4.0 SITE HISTORY AND CHARACTERIZATION The subject site is located at 910 First Avenue SW, Hickory, North Carolina, at the intersection of First Avenue SW and Ninth Street SW, and is currently unoccupied and vacant, and has been further identified as Catawba County Parcel ID Number (PIN) 370205197350. Figures 1 and 2 depict a Site Location Map and Site Plan, respectively. According to an online review of the NCDEQ UST Incidents Map and historical reports, apparent releases of petroleum-related constituents were reported to NCDEQ on March 3, 1989, and April 13, 2005, and were subsequently assigned Incident Numbers 6760 and 36190, respectively, with the site classified as Low-Risk for a regulated (R) and commercial (C) UST system. The site is bordered to the north by an unoccupied and vacant building, on the east by Ninth Street SW with a business (Buy It Right Auto Sales #1, Inc.) located across the roadway, to the south by First Avenue SW with a business (Sheets Wrecker Service & Storage) located across the roadway, and on the west by a single-family residence (mobile home). The subject site is situated in an area of commercial, industrial, and residential land uses. Subject Property structures include a main structure located on the north-central portion of the site, with a detached canopy immediately to the south of the main structure, and with the former USTs located immediately to the northeast of the main structure. According to a review of historical reports prepared for TOC Retail, Inc (TOC Retail) by Edgerton Environmental Services, Inc of Cary, North Carolina (Edgerton), previous investigations at the site for Incident Number 6760 included the installation of soil borings and up to 20 groundwater monitoring wells in the early 1990’s, with subsequent soil and groundwater sampling reporting concentrations of petroleum-related constituents above applicable NCDEQ Standards, and the operation and maintenance of a Vacuum Extraction System (VES) from March, 1992 to an undetermined date, with known operation of the VES for at least 1.5-years based on reviewed reports. Additionally, according to a review of historical reports prepared for Exprezit ! Convenience Stores, LLC (Exprezit !) by Advanced Environmental Technologies, LLC of Lakeland, Florida (Advanced), previous investigations at the site for Incident Number 36190 included the installation of additional soil borings and groundwater monitoring wells in 2005 and 2006, with subsequent soil and groundwater sampling reporting concentrations of petroleum-related constituents remaining above applicable NCDEQ Standards, and the excavation and removal of the UST system in February, 2005. During the removal of the UST system in February 2005, it was reported by Advanced that contaminated soils were not excavated from the area of former USTs, dispenser islands or product lines. Historical reports for Incident Numbers 6760 and 36190 are included in Appendix A. Since the completion of soil and groundwater sampling, conducted in October 2005 and September 2006, respectively, no further investigative measures are known to have occurred for Incident Numbers 6760 and 36190. No further information regarding the site history and/or release characterization been made available to CES, nor is believed to be readily available to review for this site. CES Project No. 8123.0323E September 1, 2023 6 4.1 UST Owner and Operator Information Incident Number 6760 Facility ID Number: 00-0-0000029594 *UST Owner: TOC Retail, Inc Address: 910 First Avenue, Southwest, Hickory, NC 28602 Phone: N/A *UST Operator: TOC Retail, Inc Address: 910 First Avenue, Southwest, Hickory, NC 28602 Phone: N/A Other Person(s) Associated With USTs: (Site accepted into State-Lead Cleanup Program) Address: N/A Phone: N/A **Current Property Owner: Harley Group, LLC Address: 1097 Harbor View Road, Charleston, SC 29412 Phone: N/A Incident Number 36190 Facility ID Number: 00-0-0000007433 *UST Owner: Exprezit ! Convenience Stores, LLC Address: 548 Mary Esther Cut of PMB #286, Fort Walton Beach, FL 32548 Phone: N/A *UST Operator: DBA Exprezit ! 503 Address: 910 First Avenue, Southwest, Hickory, NC 28602 Phone: N/A Other Person(s) Associated With USTs: (Site accepted into State-Lead Cleanup Program) Address: N/A Phone: N/A **Current Property Owner: Harley Group, LLC Address: 1097 Harbor View Road, Charleston, SC 29412 Phone: N/A *Information retrieved from NCDEQ UST Incidents Database(s) **Information retrieved from the Catawba County GIS Real Estate System In March 2023, the site was accepted into the NCDEQ State-Lead Cleanup Program to conduct further investigative measures relative to Incident Numbers 6760 and 36190. CES Project No. 8123.0323E September 1, 2023 7 Available information regarding the UST System and Other Release Information, and Owner and Operator Information is provided in Tables B-1 and B-2, respectively, and above in Section 1.2. 4.2 UST Information A general summary of reported UST information is presented below, with further information included in Tables B-1 and B-2: UST ID No Current/Last Contents Capacity (gallons) Installation Date Permanent Closure Date Discovery of Release 1 Gasoline 10,000 12/13/1980 2/23/2005 Yes 2 Gasoline 4,000 12/20/1955 2/23/2005 Yes 3 Gasoline 4,000 12/20/1955 2/23/2005 Yes 4 Diesel 4,000 12/20/1955 2/23/2005 Yes Information retrieved from NCDEQ UST Database System and a Limited Site Assessment Report, dated May 5, 2006, and prepared by Advanced Environmental Technologies, LLC, of Lakeland, Florida 4.3 Non-UST Information Not applicable. No ASTs or other above ground vessels or substantial petroleum storage containers are known to have existed at the site. 4.4 Release Description Incident Number 6760 Facility ID Number: 00-0-0000029594 According to a review of a Comprehensive Site Assessment Addendum and Vacuum Extraction System Operation Report, dated February, 1994, prepared for TOC Retail by Edgerton, Incident Number 6760 was issued by NCDEQ to TOC Retail in May, 1989, after subsurface investigation activities (i.e., the installation of soil borings and groundwater monitoring wells) reported that soil and groundwater at the site had been impacted by petroleum-related constituents. Incident Number 36190 Facility ID Number: 00-0-0000007549 According to a review of a Tank Closure Report, dated April 11, 2005, prepared for Exprezit ! by Advanced, Incident Number 36190 was issued by NCDEQ to Exprezit in April 2005, after contaminated soils were encountered during the excavation and removal of the UST system at the site. 4.5 Site Characteristics According to Catawba County GIS Maps, the subject property is zoned General Business (C-2), with Catawba County Parcel Identification Number 370205197350, occupying an approximate area of 0.52-acres. The subject site is situated at the intersection of First Avenue SW, a 2-lane, asphalt surfaced, urban section roadway, and Ninth Street SW, a 2-lane, asphalt surfaced, urban section roadway. The subject site contains one main structure located on the north-central portion of the CES Project No. 8123.0323E September 1, 2023 8 site, an approximate 1,612-square feet building that is currently unoccupied and vacant with a detached canopy, which previously operated as a convenience store and gasoline service station, and was reportedly constructed in the year 1961. The remainder of the subject site contains asphalt-pavement and concrete entrance ways and parking areas, and landscaped areas. Based on onsite observations and a review of historical documents, natural surface drainage at the subject property generally flows in a westerly direction. While not always the case, groundwater flow direction typically follows the direction of surface water flow, and is, therefore, anticipated to flow westerly. The subject site is served by electrical and telecommunication utilities, as well as public water distribution and sanitary sewer services provided by the City of Hickory. No water supply wells or septic systems were observed onsite. The subject site is situated in an area of commercial, industrial, and residential land use. A railroad right-of-way is located approximately 300-feet to the north of the site. The site location in relation to area land use is illustrated in Figures 1 and 2. 4.6 Affected Property Owners and Occupants The subject site where the contamination was initially discovered in March 1989 and April 2005, with residual contamination remaining in-situ, as evident by groundwater analytical results reported from MW-21 during the August 2, 2023, groundwater monitoring and sampling event, has been found to be centrally located on the subject site and southwest of the former USTs. The 2L groundwater contaminate plume is presumed to extend around groundwater monitoring well MW- 21, and based on the estimated extent of VOC concentrations from monitoring wells located on the perimeter of the site, nearby property owners and occupants are not expected to be affected. 4.7 Receptor Information . A Receptor Survey was previously completed at the site in March and April, 2023, with the information submitted to NCDEQ in a Receptor Survey Report, dated May 31, 2023, which is summarized below: Water Supply Wells: A water supply well survey was conducted by completing the windshield and walking survey on March 24, 2023, contacting the City of Hickory Public Utilities Department, and sending out Request for Water Supply Well Information forms to property owners located within a 500-feet radius of the subject property. During the walking and windshield survey, no water supply wells were visually observed within 500- feet of the site. According to information obtained from the subject property owner, nearby and surrounding property owners, a review of NCDEQ SWAPInfo 2.0 and historical documents, no water supply wells are known to exist within a 1,500-feet radius of the site. On May 5, 2023, CES sent out Appendix A - Request for Water Supply Well Information forms to the 30 properties within a 500-feet radius of the subject property. A total of five Water Supply Well Information forms were returned to CES, or information was otherwise communicated to CES, which did not report the presence of water supply wells within a 500-feet radius of the site. CES reviewed applicable online sources for properties within 1,500-feet of the site, including the NC SWAPInfo 2.0 Map and NC One Map - Public Water Supply Water Resources Map and Catawba County’s GIS Real Estate System, which did not report the presence of water supply wells. CES Project No. 8123.0323E September 1, 2023 9 Public Water Supplies: According to the NC One Map - Public Water Supply Water Resources Map, no public water supply wells are known to exist within a 1,500-feet radius of the subject property. Municipal water distribution systems provided by the City of Hickory are available to serve the subject property and surrounding properties. Surface Water: The nearest surface water body to the site, Geitner Branch, a Class C surface water body according to the NC One Map - Surface Water Classifications, is located approximately 1,350-feet to the southwest of the site. According to the NC One Map – Surface Water Intakes Map, no surface water intakes are located within a 1,500-feet radius of the subject site. Wellhead Protection Areas: According to the NC SWAPInfo 2.0 Map and Database, no approved wellhead protection areas or plans are located within a 1,500-feet radius of the subject site. Deep Aquifers in the Coastal Plain Physiographic Region: Not Applicable to the subject site as the site lies within the Piedmont Physiographic Region. Subsurface Structures: Underground utilities have been identified at and adjacent to the subject site, and the potential exists for soil and groundwater contamination to be in contact with these underground utilities. Groundwater has historically been measured at approximately 22 to 26-feet below ground surface at the site. Because the underground utilities are expected to be at a shallower depth than 22 to 26-feet, the utility lines would not be considered receptors or conduits for ground water contaminant migration. No subsurface structures have been identified at the site. Table B-5 summarizes public and private water supply well and other receptor information. 4.8 Remedial Plan Implementation To date, it is the understanding of CES that a remedial plan has not been submitted and/or implemented for the subject site. 4.9 Remediation Progress Not applicable. CES Project No. 8123.0323E September 1, 2023 10 5.0 CURRENT SITE ASSESSMENT INFORMATION Prior to the commencement of the groundwater monitoring and sampling event, CES prepared and reviewed a site-specific Job Hazards Analysis (JHA) and Emergency Management and Health & Safety Plan (HASP) acknowledging that potential hazards exist onsite, which were properly recognized and evaluated by onsite personnel. A copy of the site-specific JHA and HASP are included in Appendix C. 5.1 Water Level and Free Product Thickness Measurements During the groundwater monitoring and sampling event, depth to groundwater measurements were collected from MW-3, MW-5, MW-7, MW-10, MW-21, and MW-23. Depth to groundwater was measured and recorded utilizing a water level meter capable of detecting light non-aqueous phase liquid (LNAPL or Free Product) to an accuracy of 0.01 feet. Free product was not detected in any site related monitoring wells. After measuring depth to groundwater at each monitoring well, the water level meter was decontaminated by using a soapy water mixture (alconox and water). Depth to groundwater ranged from 23.30-feet below top of casing (TOC) in MW-5 to 25.90-feet below TOC in MW-23 on August 2, 2023. Based on visual observations and depth to groundwater measurements collected on August 2, 2023, groundwater flow direction is anticipated to flow in a westerly direction. A summary of depth to groundwater measurements are included in Table B-9 and in Appendix C, respectively. 5.2 Groundwater Monitoring and Sampling Event After collecting depth to groundwater measurements, and after calculating the volume of water to be removed from the above referenced monitoring wells, a dedicated 1.5-inch disposable bailer was used to purge approximately three to five well volumes from each monitoring well. Groundwater samples were then collected in laboratory provided glassware, placed on ice, and submitted under chain of custody (COC) procedures to Waypoint Analytical (Waypoint), of Charlotte, NC on August 2, 2023, for analysis of 6200B, including MTBE and IPE/EDB, VPH, EPH, and Lead. 5.3 Surface Water Monitoring Event Not applicable. No surface water monitoring events were conducted during this groundwater monitoring and sampling event. 5.4 Soil Monitoring Events Not applicable. No soil monitoring events were conducted during this groundwater monitoring and sampling event. 5.5 Summary of Groundwater and Free Product Assessment Information Petroleum hydrocarbon constituents in groundwater were reported ABOVE the 2L Standard from the following monitoring wells: CES Project No. 8123.0323E September 1, 2023 11 MW-21: naphthalene (41.8 ug/l) and aliphatic C5-C8 (1,530 ug/l). A groundwater elevation plan for the August 2, 2023, groundwater monitoring event is included as Figure 3. A VOC isoconcentration plan for the August 2, 2023, groundwater monitoring and sampling event is included as Figure 4. A summary of groundwater analytical results is included on Table B-4. Copies of groundwater laboratory analytical reports are included as Appendix D. 5.6 Site Geology and Hydrogeology According to the Geological Map of North Carolina (1985), the subject site is located within the Piedmont Physiographic Province, is underlain by the metamorphic rocks of the Inner Piedmont, Chauga Belt, Smith River Allochthon, and Sauratown Mountain Anticlinorium, and is within a mica schist formation. A description of the underlying Rock Unit CZms is garnet, staurolite, kyanite or sillimanite occurring locally; lenses and layers of quartz schist, micaceous quartzite, calc-silicate rock, biotite gneiss, amphibolite and phyllite. According to the US Department of Agriculture, Natural Resources Conservation Service, Web Soil Survey, soils at the subject property consist of Clifford sandy loam (CfB), which generally have 2 to 6 percent slopes, and are classified as well drained sandy loam (0 to 10-inches), clay (10 to 47- inches), clay loam (47 to 57-inches) and loam (57 to 80-inches). Parent materials were classified as saprolite derived from granite and gneiss and/or schist. According to a Limited Site Assessment Report, dated May 5, 2006, and prepared by Advanced Environmental Technologies, LLC, apparent groundwater flow direction at the site is in a westerly direction. Based upon groundwater surface elevations, as measured from onsite monitoring wells on August 2, 2023, as summarized in Table B-9, and from onsite observations relative to the general gradient at the site, apparent groundwater movement across the site is presumed to flow in a westerly direction. A groundwater elevation plan for the August 2, 2023, groundwater monitoring event, depicts groundwater elevations and apparent flow direction to the west, is presented as Figure 3. 5.7 Evaluation of Groundwater and Free Product Thickness Information Based on VOC concentrations (naphthalene and aliphatic C5-C8) reported above the 2L Standard from MW-21, located southwest of the former USTs, and with MW-3, MW-5, MW-7, MW-10, and MW-23 reporting VOC concentrations below the 2L Standard, the extent of the contamination plume is estimated to extend around groundwater monitoring well MW-21 for an unknown extent. The estimated extent of the contaminant plume, as reported by VOC concentrations, is depicted on Figure 4. Free product was not detected in any of the onsite groundwater monitoring wells. No soil or surface water monitoring events were conducted during this groundwater monitoring and sampling event. The data obtained and reported herein is representative of conditions only at the referenced monitoring well locations, and is not necessarily indicative of conditions elsewhere on the subject site. CES Project No. 8123.0323E September 1, 2023 12 6.0 FREE PRODUCT REMOVAL 6.1 Free Product Current and Historical Status Not applicable. Free product has not been detected from onsite groundwater monitoring wells. 6.2 Free Product Effluent Discharges and/or Recovery Not applicable. Free product has not been detected from onsite groundwater monitoring wells. 6.3 Free Product Recovery Methods Not applicable. Free product has not been detected from onsite groundwater monitoring wells. 6.4 Free Product Conclusions and Recommendations Not applicable. Free product has not been detected from onsite groundwater monitoring wells. CES Project No. 8123.0323E September 1, 2023 13 7.0 SOIL REMEDIATION 7.1 Soil Remediation Activities Not applicable. Soil remediation activities were not performed during this groundwater monitoring and sampling event. 7.2 Chronology of Soil Remediation Activities (Corrective Action Plan) Not applicable. Soil remediation activities were not performed during this groundwater monitoring and sampling event. 7.3 Costs of Soil Remediation Activities Not applicable. Soil remediation activities were not performed during this groundwater monitoring and sampling event. CES Project No. 8123.0323E September 1, 2023 14 8.0 GROUNDWATER REMEDIATION 8.1 Groundwater Remediation Activities Not applicable. Groundwater remediation activities were not performed during this groundwater monitoring and sampling event. 8.2 Chronology of Groundwater Remediation Activities (Corrective Action Plan) Not applicable. Groundwater remediation activities were not performed during this groundwater monitoring and sampling event. 8.3 Costs of Groundwater Remediation Activities Not applicable. Groundwater remediation activities were not performed during this groundwater monitoring and sampling event. CES Project No. 8123.0323E September 1, 2023 15 9.0 CONCLUSIONS AND RECOMMENDATIONS 9.1 Conclusions The findings of the August 2, 2023, groundwater monitoring and sampling event are as follows:  Six groundwater monitoring wells (MW-3, MW-5, MW-7, MW-10, MW-21, and MW-23) were monitored and sampled for 6200B, including MTBE and IPE/EDB, VPH, EPH, and Lead.  LNAPL or Free Product was not detected in MW-3, MW-5, MW-7, MW-10, MW-21, and MW-23,  Depth to groundwater measurement ranged from 23.30-feet below TOC in MW-5 to 25.90feet below TOC in MW-23,  Apparent groundwater flow direction is to the west,  Petroleum constituents (naphthalene and C5-C8 aliphatics) were reported ABOVE the 2L Standard in MW-21, and  Petroleum constituents were reported BELOW the GCL Standard in all sampled wells, MW- 3, MW-5, MW-7, MW-10, MW-21, and MW-23. 9.2 Recommendations Based upon groundwater concentration levels reported above the 2L Standard but below the GCL Standard from MW-21, and the previously reported Low-Risk classification, without a foreseeable risk of impacting nearby receptors due to the reported concentration levels of petroleum-related constituents, and with the historical and future planned use of the subject site as a commercial business, it is the opinion of CES that a Notice of Residual Petroleum (NRP) can be placed on the property. However, during any potential and/or future site redevelopment activities, property transactions, and/or site improvements, it is the recommendation of CES that additional soil and groundwater assessment, monitoring and/or remediation activities be conducted at the site, as the data obtained and reported herein is representative of conditions only at the referenced monitoring well locations (MW-3, MW-5, MW-7, MW-10, MW-21, and MW-23), and are not necessarily indicative of conditions elsewhere on the subject site. CES Project No. 8123.0323E September 1, 2023 16 10.0 REFERENCES Edgerton Environmental Services, Inc, of Cary, North Carolina. Comprehensive Site Assessment and Corrective Action Plan, dated July 6, 1992. Edgerton Environmental Services, Inc, of Cary, North Carolina. Comprehensive Site Assessment Addendum and Vacuum Extraction System Operation, dated February, 1994. Advanced Environmental Technologies, LLC, of Lakeland, Florida. Tank Closure Report, dated April 11, 2005. Advanced Environmental Technologies, LLC, of Lakeland, Florida. Limited Site Assessment Report, dated May 5, 2006. Advanced Environmental Technologies, LLC, of Lakeland, Florida. Limited Site Assessment Report Addendum, dated September 6, 2006. CES Group Engineers, LLP, of Charlotte, North Carolina. Receptor Survey Report, dated May 31, 2023. FIGURES ^_ SITE LOCATION Figure 1Site Location MapExprezit #503910 1st Avenue SouthwestHickory, Catawba County, North CarolinaDrawn on: 5/30/2023 Drawn by: Amy Schmidt Reviewed by: Greg Hans 3525 Whitehall Park DriveSuite 150Charlotte, North Carolina 28273T: 704-489-1500www.ces-group.net³ 0 2,000 4,000 6,000 8,0001,000 FEET REFERENCE:USGS The National Map: National Boundaries Dataset, 3DEP Elevation Program, Geographic Names Information System,National Hydrography Dataset, National Land Cover Database, National Structures Dataset, and National TransportationDataset; USGS Global Ecosystems; U.S. Census Bureau TIGER/Line data; USFS Road Data; Natural Earth Data; U.S.Department of State Humanitarian Information Unit; and NOAA National Centers for Environmental Information, U.S.Coastal Relief Model. Data refreshed April, 2023. CES Project No. 8123.0323E 2 '5$:1%<%1 &+(&.('%<*+ 352-(&7180%(5 23323( '5$:,1*7,7/( 6+((7180%(5 6($/ '$7(12'(6&5,37,21 '5$:,1*5(9,6,216352-(&7'(6&5,37,21VW$YHQXH6:+LFNRU\1&([SUH]LW3Site PlanCES GROUP ENGINEERS, LLP NC FIRM LICENSE #F-1240 3525 WHITEHALL PARK DRIVE SUITE 150 CHARLOTTE, NC 28273 T 704. 489.1500 www.ces-group.net '$7(223 6&$/( 2 ([SUH]LW3 +LFNRU\1& 3 '5$:1%<%1 &+(&.('%<*+ 352-(&7180%(5 23323( '5$:,1*7,7/( 6+((7180%(5 6($/ '$7(12'(6&5,37,21 '5$:,1*5(9,6,216352-(&7'(6&5,37,21VW$YHQXH6:+LFNRU\1&([SUH]LW3Groundwater Elevation PlanCES GROUP ENGINEERS, LLP NC FIRM LICENSE #F-1240 3525 WHITEHALL PARK DRIVE SUITE 150 CHARLOTTE, NC 28273 T 704. 489.1500 www.ces-group.net '$7(2223 6&$/( 2 ([SUH]LW3 +LFNRU\1& 4 '5$:1%<%1 &+(&.('%<*+ 352-(&7180%(5 23323( '5$:,1*7,7/( 6+((7180%(5 6($/ '$7(12'(6&5,37,21 '5$:,1*5(9,6,216VW$YHQXH6:+LFNRU\1&([SUH]LW3VOC Isoconcentration andEstimated Extent of Contamination PlanCES GROUP ENGINEERS, LLP NC FIRM LICENSE #F-1240 3525 WHITEHALL PARK DRIVE SUITE 150 CHARLOTTE, NC 28273 T 704. 489.1500 www.ces-group.net '$7(2223 6&$/( 2 ([SUH]LW3 +LFNRU\1& TABLES Table B-1: Site History – UST/AST System and Other Release Information Revision Date: 08/16/2023 Incident Number and Name: 6760 / 36190; Exprezit #503 UST ID#: MO-3089 / MO-7549 Description of Associated Piping and Pumps Date Tank Installed Status of UST Was release associated with the UST System? 1 Gasoline Unknown 10,000 Unknown Unknown UST ID Number Current/Last Contents Previous Contents Capacity (in gallons) Construction Details Tank Dimensions (diameter x length) Single-Wall FRP 12/13/1980 Permanent Closure / Removed 2/23/2005 Yes 2 Gasoline Unknown 4,000 Unknown Unknown Single-Wall FRP 12/30/1955 Permanent Closure / Removed 2/23/2005 Yes 3 Gasoline Unknown 4,000 Unknown Unknown Single-Wall FRP 12/30/1955 Permanent Closure / Removed 2/23/2005 Yes 4 Diesel Unknown 4,000 Unknown Unknown Single-Wall FRP 12/30/1955 Permanent Closure / Removed 2/23/2005 Yes Page 1 of 2 Table B-1: Site History – UST/AST System and Other Release Information Revision Date: 08/16/2023 Incident Number and Name: 6760 / 36190; Exprezit #503 UST ID#: MO-3089 / MO-7549 Incident Number Material Released Date of Release 6760 Petroleum 5/3/1989 36190 Petroleum 4/13/2005 AST ID Number Current/Last Contents * Previous Contents * Capacity (in gallons) Construction Details **Tank Dimensions Soil contamination reported during removal of UST system Description of Associated Piping and Pumps Date Tank Installed Status of AST *** Was release associated with the AST System? Description of Release Presumed detection of soil and groundwater concentration above standards during subsurface investigations Page 2 of 2 Table B-2: Site History - UST/AST Owner/Operator and Other Responsible Party Information Revision Date: 08/16/2023 Incident: 6760 / 36190; Exprezit #503 UST ID#: MO-3089 / MO-7549 2 3 4 State Zip N/A N/A State Zip N/A N/A State Zip Street Address City Telephone Number Incident Number 6760 / 36190 Name of Other Responsible Party Dates of Release(s) (mm/dd/yy to mm/dd/yy) Street Address N/A City Telephone Number N/A N/A TOC Retail, Inc / Exprezit ! Convenience Stores, LLC TOC (Unknown to 9/1/1999) / Exprezit ! (9/1/1999 to 2/23/2005) TOC Retail, Inc / Exprezit ! Convenience Stores, LLC TOC (Unknown to 9/1/1999) / Exprezit ! (9/1/1999 to 2/23/2005) Street Address N/A Telephone Number N/A N/A Name of Operator Dates of Operation (mm/dd/yy to mm/dd/yy) Name of Owner Dates of Operation (mm/dd/yy to mm/dd/yy) UST ID Number 1 Facility ID Number 00-0-0000029595 / 00-0-0000007433 Page 1 of 1 Table B-4: Summary of Groundwater Analytical Results Revision Date: 08/15/2023 Incident Number and Name: Incident No. 6760 and 36190; Exprezit #503 UST ID#: MO-3089 and MO-7549 6200B 6200B 6200B 6200B 6200B 6200B 6200B 6200B 6200B 6200B 6200B 6200B 6200B 6200B EPH EPH VPH VPH VPH Sample ID Date Collected (m/dd/yy) Incident Phase MW-3 8/2/23 GWR BDL 0.486 J BDL BDL BDL BDL 3.46 BDL BDL BDL BDL 2.82 1.37 BDL 52.3 JB 75.8 J 19.3 J 45.4 J 13 J MW-5 8/2/23 GWR BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL 34 JB BDL BDL BDL BDL MW-7 8/2/23 GWR BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL 30.4 JB BDL BDL BDL BDL MW-10 8/2/23 GWR BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL 0.234 J BDL 35 JB BDL BDL BDL BDL MW-21 8/2/23 GWR 0.465 J 7.75 3.31 19.40 12.6 1.99 2.01 0.479 J 41.8 16.9 1.04 9.24 14.9 23.8 BDL 222 J 1530 602 466 MW-23 8/2/23 GWR BDL BDL BDL BDL BDL BDL 16.8 BDL BDL BDL BDL BDL BDL BDL 36.4 JB BDL BDL 29.2 J BDL 1 70 70 600 70 25 20 5 6 70 600 400 400 500 700 NA 400 700 NA 5,000 5,900 8,800 80,000 80,000 11,700 20,000 5,000 6,000 26,100 260,000 28,500 24,100 50,000 NA NA NA NA NA µg/l = Micrograms per Liter GCL = Gross Contamination Level BDL = Below Laboratory Detection Limit NA = Not Applicable J = Estimated Value JB = Analyte detected in Laboratory Blank Concentrations in BOLD and Highlighted Yellow reported above 2L Standards (August 2, 2023) No concentrations were reported above GCL Standards (August 2, 2023) Constituents not listed above were reported BDLs Laboratory analysis performed by Waypoint Analytical, Inc of Charlotte, NC (NC Certification No. 402)Isopropylbenzenen-ButylbenzeneEthylbenzene4-Isopropyl toluene1,3,5-TrimethylbenzeneAnalytical Method (e.g., VOCs by EPA 6200B) → Contaminant of Concern (mg/kg) →sec-Butyl benzeneGCL (ug/L) (Rev 10/8/2020) 2L Standard (ug/L) (Effective April 1, 2022)BenzeneAliphatics C9-C18Aromatics C9-C10Alipahtics C9-C12Methyl tert-butyl ether (MTBE)Naphthalenen-PropylbenzeneToluene1,2,4-TrimethylbenzeneXylene (Total)Methylene ChlorideAromatics C11-C22Alipahtics C5-C8 Table B-4: Summary of Groundwater Analytical Results Revision Date: 08/15/2023 Incident Number and Name: Incident No. 6760 and 36190; Exprezit #503 UST ID#: MO-3089 and MO-7549 6200B 6200B 6200B 6200B 6200B 6200B 6200B 6200B 6200B 6200B 6200B 6200B 6200B 6200B EPH EPH VPH VPH VPH Sample ID Date Collected (m/dd/yy) Incident Phase MW-3 8/2/23 GWR BDL 0.486 J BDL BDL BDL BDL 3.46 BDL BDL BDL BDL 2.82 1.37 BDL 52.3 JB 75.8 J 19.3 J 45.4 J 13 J MW-5 8/2/23 GWR BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL 34 JB BDL BDL BDL BDL MW-7 8/2/23 GWR BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL 30.4 JB BDL BDL BDL BDL MW-10 8/2/23 GWR BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL 0.234 J BDL 35 JB BDL BDL BDL BDL MW-21 8/2/23 GWR 0.465 J 7.75 3.31 19.40 12.6 1.99 2.01 0.479 J 41.8 16.9 1.04 9.24 14.9 23.8 BDL 222 J 1530 602 466 MW-23 8/2/23 GWR BDL BDL BDL BDL BDL BDL 16.8 BDL BDL BDL BDL BDL BDL BDL 36.4 JB BDL BDL 29.2 J BDL 1 70 70 600 70 25 20 5 6 70 600 400 400 500 700 NA 400 700 NA 5,000 5,900 8,800 80,000 80,000 11,700 20,000 5,000 6,000 26,100 260,000 28,500 24,100 50,000 NA NA NA NA NA µg/l = Micrograms per Liter GCL = Gross Contamination Level BDL = Below Laboratory Detection Limit NA = Not Applicable J = Estimated Value JB = Analyte detected in Laboratory Blank Concentrations in BOLD and Highlighted Yellow reported above 2L Standards (August 2, 2023) No concentrations were reported above GCL Standards (August 2, 2023) Constituents not listed above were reported BDLs Laboratory analysis performed by Waypoint Analytical, Inc of Charlotte, NC (NC Certification No. 402)Aliphatics C9-C18Aromatics C9-C10Alipahtics C9-C12Methyl tert-butyl ether (MTBE)Naphthalenen-PropylbenzeneToluene1,2,4-TrimethylbenzeneXylene (Total)Methylene ChlorideAromatics C11-C22Alipahtics C5-C8Analytical Method (e.g., VOCs by EPA 6200B)  Contaminant of Concern (mg/kg) sec-Butyl benzeneGCL (ug/L) (Rev 10/8/2020) 2L Standard (ug/L) (Effective April 1, 2022)BenzeneIsopropylbenzenen-ButylbenzeneEthylbenzene4-Isopropyl toluene1,3,5-Trimethylbenzene Table B-5: Public and Private Water Supply Well and Other Receptor Information Revision Date: 08/16/2023 Incident Number and Name: No. 6760 / 36190; Exprezit #503 UST ID#: MO-3089 / MO-7549 Water Supply Well and Other Receptor Information Additional Information for Water Supply Wells (and Other Receptors, if applicable) Well # / ID (same as above) Public Water: Connected / Available / Not Available Well Currently Used for: Active / Inactive / Abandoned Construction Method and Well Type Total Depth (ft BGS) Screened Interval (x to y ft BGS) ft BGS = Feet below ground surface Latitude/ Longitude ** (decimal degrees) No water supply wells are known to exist within 500-feet, 1,000-feet or 1,500-feet of the site Private / Public / Semi-Public Casing Depth (ft BGS) No other receptors are known to exist within 500-feet, 1,000-feet or 1,500-feet of the site Distance from Source (ft) Street Address for Receptor * Ex: WSW = Water Supply Well, SWB = Surface Water Body, Resvr = Reservoir, PWS = Public Water Supply, PW = Public Well, SW = Supply Well, WPA = Wellhead Protection Areas, RA = Recharge Areas (for deep aquifers), Sub = Subsurface Structures, Con = Conduits, Other: ** The location and/or latitude/longitude (IN DECIMAL DEGREES) must be sufficiently accurate and precise to allow easy location of wells (or recovery if buried/paved/covered-over, lost, or otherwise damaged) and for the location / replication of sampling points for any other receptor. Coordinates are estimated based on physical location of onsite structure(s) *** Status: A = Active or IA = Inactive *and* Use: P = Potable or NP = Non-Potable Use. (Describe further in Additional Information for Water Supply Wells table below.) Up or Downgradient (if known) Well # Contact Name Source Status & Use *** Type *Owner/User/ Both Contact Phone # Receptor Description and Location Details ** Page 1 of 1 Table B-9: Groundwater Elevations and Free Product Thickness Revision Date: 08/16/2023 Incident Number and Name: Incident No. 6760 and 36190; Exprezit #503 UST ID#: MO-3089 and MO-7549 Well ID #Top of Casing Elevation* (MSL) Screened Interval (top of screen, bottom of screen) Date Depth to Water Uncorrected (feet) Free Product Thickness (feet) Depth to Water Corrected for Free Product Thickness(feet) Groundwater Surface Elevation (MSL) MW-3 N/A Unknown 8/2/2023 25.34 0.00 N/A N/A MW-5 N/A Unknown 8/2/2023 23.30 0.00 N/A N/A MW-7 N/A Unknown 8/2/2023 24.78 0.00 N/A N/A MW-10 N/A Unknown 8/2/2023 24.53 0.00 N/A N/A MW-21 N/A Unknown 8/2/2023 25.90 0.00 N/A N/A MW-23 N/A Unknown 8/2/2023 25.20 0.00 N/A N/A APPENDIX A HISTORICAL DATA CES Project No. 8123.0323E May 31, 2023 RECEPTOR SURVEY REPORT Exprezit #503 910 First Avenue, Southwest Hickory, Catawba County, North Carolina 28602 NCDEQ Incident No’s.: 6760 / 36190 UST ID No’s.: MO-3089 / MO-7549 Facility ID No’s.: 00-0-0000029594 / 00-0-0000007433 May 31, 2023 Prepared for: Mr. Scott Ryals NCDEQ DWM UST Section 1646 Mail Service Center Raleigh, North Carolina 27699-1646 Prepared by: CES Group Engineers, LLP 3525 Whitehall Park Drive, Suite 150 Charlotte, North Carolina 28273 CES Project No. 8123.0323E May 31, 2023 TABLE OF CONTENTS Page 1.0 SITE INFORMATION ...................................................................................................... 1 1.1 Identification ........................................................................................................ 1 1.2 Contact Information............................................................................................. 1 1.3 Release Information .................................................................................................. 1 1.4 Certification ......................................................................................................... 2 2.0 EXECUTIVE SUMMARY ................................................................................................ 3 3.0 SCOPE OF SERVICES .................................................................................................. 4 4.0 SITE HISTORY AND CHARACTERIZATION ................................................................ 5 4.1 UST Owner and Operator Information ............................................................... 5 4.2 UST Information .................................................................................................. 6 4.3 Release Summary .............................................................................................. 7 4.4 Previous Investigations ....................................................................................... 7 4.5 Receptor Information .......................................................................................... 8 4.6 Land Use ............................................................................................................. 9 5.0 RISK CHARACTERIZATION ........................................................................................ 10 5.1 Part I – Groundwater/Surface Water/Vapor Impacts ....................................... 10 5.2 Part II – Land Use ............................................................................................. 11 6.0 ASSESSMENT INFORMATION ................................................................................... 14 6.1 Site Geology and Hydrogeology ....................................................................... 14 6.2 Sampling Activities ............................................................................................ 14 7.0 CONCLUSIONS AND RECOMMENDATIONS ............................................................ 15 8.0 REFERENCES ............................................................................................................. 16 CES Project No. 8123.0323E May 31, 2023 FIGURES FIGURE 1 SITE LOCATION MAP FIGURE 2 SITE PLAN FIGURE 3 1,500-FOOT POTENTIAL RECEPTOR AND LAND USE MAP TABLES TABLE B-1 SITE HISTORY – UST/AST SYSTEM AND OTHER RELEASE INFORMATION TABLE B-2 SITE HISTORY – UST/AST OWNER/OPERATOR AND OTHER RESPONSIBLE PARTY INFORMATION TABLE B-5 PUBLIC AND PRIVATE WATER SUPPLY WELL AND OTHER RECEPTOR INFORMATION TABLE B-6 LAND USE APPENDICES APPENDIX A HISTORICAL DATA CES Project No. 8123.0323E Page 1 May 31, 2023 1.0 SITE INFORMATION 1.1 Identification Date of Report: May 31, 2023 Site Risk/Ranking: Low Facility I.D.:00-0-0000029594 / 00-0- 0000007433 UST Incident Number (if known): 6760 / 36190 Site Name: Exprezit #503 Street Address:910 First Avenue, Southwest City/Town:Hickory Zip Code: 28602 County: Catawba Description of Geographical Data Point (e.g., UST):Approximate Former USTs Location Method (GPS, topographical map, online map, other):GIS Address Matching Latitude (decimal degrees):35.73119 Longitude(decimal degrees): -81.35280 1.2 Contact Information UST/AST Owner: TOC Retail, Inc (6760) / Exprezit ! Convenience Stores, LLC (36190) Email: N/A Address: 910 First Avenue, SW, Hickory, NC 28602 / 548 Mary Esther Cut of PMB #286, Fort Walton Beach. FL 32548 Tel: N/A UST/AST Operator: TOC Retail, Inc (6760) / DBA Exprezit ! 503 (36190) Email: N/A Address: 910 First Avenue, SW, Hickory, NC 28602 / 548 Mary Esther Cut of PMB #286, Fort Walton Beach. FL 32548 Tel: N/A Property Owner: Harley Group, LLC Email: N/A Address: 1097 Harbor View Road, Charleston, SC 29412 Tel: N/A Property Occupant: Vacant Email: N/A Address: N/A Tel: N/A Consultant/Contractor: CES Group Engineers, LLP. Email: ghans@ces-group.net Address: 3525 Whitehall Park Drive, Suite 150, Charlotte, NC 28273 Tel: 704-325-5408 Analytical Laboratory: N/A State Certification No: Address: Tel: Drilling Contractor: N/A Email: Address: Tel: 1.3 Release Information Date Discovered: 5/3/1989 (6760) and 4/13/2005 (36190) (According to the NCDEQ Incidents Map Database) Estimated Quantity of Release: Unknown Cause of Release: Unknown Source of Release (e.g., Dispenser/Piping/UST):UST (Presumed) Sizes and Contents of Tanks or Other Containment from which the Release Occurred:  One 10,000-gal gasoline UST; two 4,000-gal gasoline USTs; One 4,000- gallon diesel UST CES Project No. 8123.0323E Page 2 May 31, 2023 1.4 Certification I, Charles D. Heleine, a North Carolina Licensed Professional Engineer employed by CES, do certify that the information contained in this report is accurate, to the best of my knowledge. E-Signature 05/30/2023 Charles D. Heleine, NC PE No. 27196 CES Group Engineers, LLP (CES) is licensed to practice engineering in North Carolina. The firm license number is F-1240. CES Project No. 8123.0323E Page 3 May 31, 2023 2.0 EXECUTIVE SUMMARY This Receptor Survey Report was prepared to identify potential receptors located within a 1,500- feet radius of the property located at 910 First Avenue, Southwest, Hickory, Catawba County, North Carolina (the Site), which has been identified as Exprezit #503 within the Underground Storage Tank (UST) section of the North Carolina Department of Environmental Quality (NCDEQ). CES Group Engineers, LLP (CES) has been authorized to perform this receptor survey by the NCDEQ, represented by Scott Ryals, PE, Environmental Engineer. As part of this work scope, a water supply well survey was conducted by performing a windshield and walking survey on March 24, 2023, contacting the City of Hickory Public Utilities Department, and sending out Request for Water Supply Well Information forms to property owners located within a 500-feet radius of the subject property. Additionally, available historical documents for Incident Numbers 6760 and 36190 were reviewed for information relative to the apparent release condition, and potential impacts to nearby water supply wells. According to a review of available and selected historical documents, retrieved from NCDEQ’s Division of Waste Management’s Document Management System (aka Laserfiche) for Incident Numbers 6760 and 36190, subsurface impacts to soil and groundwater are known to exist at the site, based on the last round of samples collected by other environmental consultants, which reported petroleum-related constituents in soil (September, 2006) above applicable state standards from the areas of the former USTs, product lines and dispensers, with concentrations of petroleum- related constituents in groundwater reported above 2L Standards (October, 2005) from monitoring wells located across the site. No water supply wells and/or other receptors were identified within 1,500-feet of the site during the Receptor Survey. Based on the reported presence of petroleum-related constituents in soil and groundwater above applicable standards from the last round of sampling conducted at the site in September, 2006 and October, 2005, respectively, it is recommended that up to four soil borings be installed in the areas of previous soil exceedances, ie the area of the former USTs, dispenser islands and product lines, and up to six existing groundwater monitoring wells be sampled from wells previously reporting 2L exceedances and/or located along the property boundaries, as depicted on Figure 2, in order to evaluate current subsurface soil and groundwater conditions in comparison to updated state standards, and to determine if regulatory closure can be achieved through a Notice of Residual Petroleum (NRP) or No Further Action (NFA). CES Project No. 8123.0323E Page 4 May 31, 2023 3.0 SCOPE OF SERVICES The scope of services for this report were authorized by NCDEQ Task Authorization (TA) #01, approved on March 24, 2023, under CES Contract Number N040722, dated April 20, 2022. In accordance with the approved TA, the approved scope of services included the following:  Conduct a Site Reconnaissance and Receptor Survey. CES Project No. 8123.0323E Page 5 May 31, 2023 4.0 SITE HISTORY AND CHARACTERIZATION The subject site is located at 910 First Avenue, Southwest, at the intersection of First Avenue, Southwest and Ninth Street, Southwest, is currently unoccupied and vacant, with one main structure located on the north-central portion of the site, with a detached canopy immediately to the south of the main structure, and has been further identified as Catawba County Parcel ID Number (PIN) 370205197350. The former USTs were reportedly located to the east of the main structure , on the northeastern portion of the site. Figures 1 and 2 depict a Site Location Map and Site Plan, respectively. According to Catawba County GIS Maps, the subject property is zoned General Business (C-2), with Catawba County Parcel Identification Number 370205197350, occupying an approximate area of 0.52-acres. The subject site is situated at the intersection of First Avenue, Southwest, a 2-lane, asphalt surfaced, urban section roadway, and Ninth Street, Southwest, a 2-lane, asphalt surfaced, urban section roadway. The subject site contains one main structure located on the north-central portion of the site, an approximate 1,612-square feet building that is currently unoccupied and vacant, which previously operated as a convenience store and gasoline service station, and was reportedly constructed in the year 1961. The remainder of the subject site contains asphalt-paved and concrete entrance ways and parking areas, and landscaped areas. Based on onsite observations and a review of historical documents, natural surface drainage at the subject property generally flows in a westerly direction. While not always the case, groundwater flow direction typically follows the direction of surface water flow, and is, therefore, anticipated to flow westerly. The subject site is served by electrical and telecommunication utilities, as well as public water distribution and sanitary sewer services provided by the City of Hickory. No water supply wells or septic systems were observed onsite. The subject site is situated in an area of commercial, industrial and residential land use. A railroad right-of-way is located approximately 300-feet to the north of the site. The site location in relation to area land use is illustrated in Figures 1 and 2. 4.1 UST Owner and Operator Information Incident Number 6760 Facility ID Number: 00-0-0000029594 *UST Owner: TOC Retail, Inc Address: 910 First Avenue, Southwest, Hickory, NC 28602 Phone: N/A *UST Operator: TOC Retail, Inc Address: 910 First Avenue, Southwest, Hickory, NC 28602 Phone: N/A Other Person(s) Associated With USTs: (Site accepted into State-Lead Cleanup Program) Address: N/A Phone: N/A **Current Property Owner: Harley Group, LLC Address: 1097 Harbor View Road, Charleston, SC 29412 Phone: N/A CES Project No. 8123.0323E Page 6 May 31, 2023 Incident Number 36190 Facility ID Number: 00-0-0000007433 *UST Owner: Exprezit ! Convenience Stores, LLC Address: 548 Mary Esther Cut of PMB #286, Fort Walton Beach, FL 32548 Phone: N/A *UST Operator: DBA Exprezit ! 503 Address: 910 First Avenue, Southwest, Hickory, NC 28602 Phone: N/A Other Person(s) Associated With USTs: (Site accepted into State-Lead Cleanup Program) Address: N/A Phone: N/A **Current Property Owner: Harley Group, LLC Address: 1097 Harbor View Road, Charleston, SC 29412 Phone: N/A *Information retrieved from NCDEQ UST Incidents Database(s) **Information retrieved from the Catawba County GIS Real Estate System In March, 2023, the site was accepted into the NCDEQ State-Lead Cleanup Program to conduct further investigative measures relative to Incident Numbers 6760 and 36190. Available information regarding UST Owner and Operator Information is provided in Table B-1, and above in Section 1.2. 4.2 UST Information A general summary of reported UST information is presented below, with further information included in Tables B-1 and B-2: UST ID No Current/Last Contents Capacity (gallons) Installation Date Permanent Closure Date Discovery of Release 1 Gasoline 10,000 12/13/1980 2/23/2005 Yes 2 Gasoline 4,000 12/20/1955 2/23/2005 Yes 3 Gasoline 4,000 12/20/1955 2/23/2005 Yes 4 Diesel 4,000 12/20/1955 2/23/2005 Yes * Information retrieved from NCDEQ UST Database System and a Limited Site Assessment Report, dated May 5, 2006, and prepared by Advanced Environmental Technologies, LLC, of Lakeland, Florida CES Project No. 8123.0323E Page 7 May 31, 2023 4.3 Release Summary Incident Number 6760 Facility ID Number: 00-0-0000029594 According to a review of a Comprehensive Site Assessment Addendum and Vacuum Extraction System Operation Report, dated February, 1994, prepared for TOC Retail, Inc (TOC Retail) by Edgerton Environmental Services, Inc (Edgerton), of Cary, North Carolina, Incident Number 6760 was issued by NCDEQ to TOC Retail in May, 1989, after subsurface investigation activities (ie, the installation of soil borings and groundwater monitoring wells) reported that soil and groundwater at the site had been impacted by petroleum-related constituents. Incident Number 36190 Facility ID Number: 00-0-0000007549 According to a review of a Tank Closure Report, dated April 11, 2005, prepared for Exprezit ! Convenience Stores, LLC (Exprezit) by Advanced Environmental Technologies, LLC (Advanced), of Lakeland, Florida, Incident Number 36190 was issued by NCDEQ to Exprezit in April, 2005, after contaminated soils were encountered during the excavation and removal of the UST system at the site. In March, 2023, the site was accepted into the NCDEQ State-Lead Cleanup Program to conduct further investigative measures relative to Incident Numbers 6760 and 36190. 4.4 Previous Investigations Incident Number 6760 Facility ID Number: 00-0-0000029594 According to historical reports prepared for TOC Retail by Edgerton, previous investigations at the site for Incident Number 6760 included the installation of soil borings and up to 20 groundwater monitoring wells in the early 1990’s, with subsequent soil and groundwater sampling reporting concentrations of petroleum-related constituents above applicable NCDEQ Standards, and the operation and maintenance of a Vacuum Extraction System (VES) from March, 1992 to an undetermined date, with known operation of the VES for at least 1.5-years based on reviewed reports. Incident Number 36190 Facility ID Number: 00-0-0000007549 According to historical reports prepared for Exprezit ! by Advanced, previous investigations at the site for Incident Number 36190 included the installation of additional soil borings and groundwater monitoring wells in 2005 and 2006, with subsequent soil and groundwater sampling reporting concentrations of petroleum-related constituents remaining above applicable NCDEQ Standards, and the excavation and removal of the UST system in February, 2005. During the removal of the UST system in February, 2005, it was reported by Advanced that contaminated soils were not excavated from the area of former USTs, dispenser islands or product lines. Historical reports for Incident Numbers 6760 and 36190 are included in Appendix A. CES Project No. 8123.0323E Page 8 May 31, 2023 Since the completion of soil and groundwater sampling, conducted in September, 2006 and October, 2005, respectively, no further investigative measures are known to have occurred for Incident Numbers 6760 and 36190. 4.5 Receptor Information Windshield and Walking Survey: On March 24, 2023, a representative of CES conducted a windshield and walking survey of the subject property, and accessible properties withing a 500-feet radius of the site. Visual information obtained from the windshield and walking survey has been summarized as follows:  Water supply well(s) were not visually identified on the site, nor on properties located along First Avenue, Southwest; Ninth Street, Southwest; Tenth Street, Southwest and Main Street, Southwest; and  Municipal water lines, meters and fire hydrants were observed along First Avenue, Southwest; Ninth Street, Southwest; Tenth Street, Southwest and Main Street, Southwest. Water Supply Wells: As part of this work scope, a water supply well survey was conducted by completing the windshield and walking survey on March 24, 2023, contacting the City of Hickory Public Utilities Department and sending out Request for Water Supply Well Information forms to property owners located within a 500-feet radius of the subject property. During the walking and windshield survey, no water supply wells were visually observed within 500- feet of the site. According to information obtained from the subject property owner, nearby and surrounding property owners, a review of NCDEQ SWAPInfo 2.0 and historical documents, no water supply wells are known to exist within a 1,500-feet radius of the site. On May 5, 2023, CES sent out Request for Water Supply Well Information forms to the thirty properties within a 500-feet radius of the subject property. A total of five Water Supply Well Information forms were returned to CES, or information was otherwise communicated to CES, which did not report the presence of water supply wells within a 500-feet radius of the site. CES reviewed applicable online sources for properties within 1,500-feet of the site, including the NC SWAPInfo 2.0 Map and NC One Map - Public Water Supply Water Resources Map and Catawba County’s GIS Real Estate System, which did not report the presence of water supply wells. Public Water Supplies: According to the NC SWAPInfo 2.0 Map and NC One Map - Public Water Supply Water Resources Map, no public water supply wells are known to exist within a 1,500-feet radius of the subject property. Municipal water distribution systems provided by the City of Hickory are available to serve the subject property and surrounding properties. Surface Water: The nearest surface water body to the site, Geitner Branch, a Class C surface water body according to the NC One Map - Surface Water Classifications, is located approximately 1,350-feet to the southwest of the site. According to the NC One Map – Surface Water Intakes Map, no surface water intakes are located CES Project No. 8123.0323E Page 9 May 31, 2023 within a 1,500-feet radius of the subject site. Wellhead Protection Areas: According to the NC SWAPInfo 2.0 Map and Database, no approved wellhead protection areas or plans are located within a 1,500-feet radius of the subject site. Deep Aquifers in the Coastal Plain Physiographic Region: Not Applicable to the subject site as the site lies within the Piedmont Physiographic Region. Subsurface Structures: Underground utilities have been identified at and adjacent to the subject site, and the potential exists for soil and groundwater contamination to be in contact with these underground utilities. Groundwater has historically been measured at approximately 22 to 26-feet below ground surface at the site. Because the underground utilities are expected to be at a shallower depth than 22 to 26-feet, the utility lines would not be considered receptors or conduits for ground water contaminant migration. No subsurface structures have been identified at the site. Figure 3 depicts a 1,500-feet Potential Receptor and Land Use Map. Table B-5 summarizes public and private water supply well and other receptor information. 4.6 Land Use Land use in the vicinity of the subject property can be characterized as commercial, industrial and residential uses. Table B-6 summarizes contiguous property owners and occupants. No sensitive land use features, such as schools, daycare centers, nursing homes, hospitals, playgrounds, churches, camps, or other places of assembly, have been identified within 1,500-feet of the source of the release, with the exception of Hickory Optimist Park located approximately 900- feet to the southeast and Vintage City Church located approximately 1,500-feet to the northeast of the site. Aerial imagery depicting land use in the general vicinity of the site is included on Figure 3. CES Project No. 8123.0323E Page 10 May 31, 2023 5.0 RISK CHARACTERIZATION 5.1 Part I – Groundwater/Surface Water/Vapor Impacts High Risk 1. Has the release contaminated any water supply well including any well used for non- drinking purposes ? NO Not to our knowledge. 2. Is a water supply well used for drinking water located within 1,000 feet of the source area of the release ? NO Municipal water distribution systems are available to serve the subject property and surrounding properties. 3. Is a water supply well not used for drinking water (e.g., irrigation, washing cars, industrial cooling water, filling swimming pools) located within 250 feet of the source area of the release ? NO Not to our knowledge. 4. Does groundwater within 500 feet of the source area of the release have the potential for use (there is no other source of water supply other than the groundwater) ? NO Municipal water distribution systems are available to serve the subject property and surrounding properties. 5. Do vapors from the release pose a threat of explosion because of accumulation of the vapors in a confined space or pose any other serious threat to public health, public safety or the environment ? NO To date, and to CES’ knowledge, no known incidents of explosion threats have been reported. Intermediate Risk 6. Are there any other factors that would cause the release to pose an imminent danger to public health, public safety, or the environment ? NO 7. Is a surface water body located within 500 feet of the source area of the release ? NO CES Project No. 8123.0323E Page 11 May 31, 2023 The nearest surface water body, Geitner Branch, a Class C surface water body according to the NC One Map - Surface Water Classifications, is located approximately 1,350-feet to the southwest of the site. 8. Is the source area of the release located within an approved or planned wellhead protection area as defined in 42 USC 300h-7(e) ? NO 9. Is the release located in the Coastal Plain physiographic region as designated on a map entitled “Geology of North Carolina” published by the Department in 1985 ? NO 10. Do the levels of groundwater contamination for any contaminant exceed the gross contamination levels (See Table 2.) established by the Department ? NO Groundwater samples were not collected as part of this Receptor Survey. However, according to a review of historical documents, groundwater concentrations have historically exceeded the 2L Standard, but not the GCL. 5.2 Part II – Land Use Property Containing Source Area of Release 1. Does the property contain one or more primary or secondary residences (permanent or temporary) ? NO 2. Does the property contain a school, daycare center, hospital, playground, park, recreation area, church, nursing home, or other place of public assembly ? NO 3. Does the property contain a commercial (e.g., retail, warehouse, office/business space etc.) or industrial (e.g., manufacturing, utilities, industrial research and development, chemical/petroleum bulk storage, etc.) enterprise, an inactive commercial or industrial enterprise, or is the land undeveloped ? YES The subject property is currently occupied by an inactive commercial enterprise, and formerly operated as a convenience store and gasoline service station. 4. Do children visit the property ? YES Children have the ability to visit the property. Is access to the property reliably restricted consistent with its use (e.g., by fences, security personnel or both) ? NO CES Project No. 8123.0323E Page 12 May 31, 2023 5. Do pavement, buildings, or other structures cap the contaminated soil ? YES Soil samples were not collected as part of this Receptor Survey. However, according to a review of historical documents, contaminated soils are known exist on the site. If yes, what mechanisms are in place or can be put into place to ensure that the contaminated soil will remain capped in the foreseeable future ? Based on historical site usage, and the general location of the subject property, located along a main thoroughfare (at the intersection of First Avenue, Southwest and Ninth Street, Southwest) and in a mixed-use and high-density area, redevelopment of the subject property that involves the removal of asphalt pavement, without replacement, is unlikely 6. What is the zoning status of the property ? C-2 The subject property is zoned General Business (C-2) within the City of Hickory. 7. Is the use of the property likely to change in the next 20 years ? NO Based on the current infrastructure of the existing onsite building, improved to function as a gasoline service and convenience store, the use of the property is unlikely to change. However, the potential does exist for property use to change in the foreseeable future based on real estate demands. Property Surrounding Source Area of Release 1. What is the distance from the source area of the release to the nearest primary or secondary residence (permanent or temporary) ? 100 feet to the west The nearest primary or secondary residence is located approximately 100 feet to the west of the site. 2. What is the distance from the source area of the release to the nearest school, daycare center, hospital, playground, park, recreation area, church, nursing home or other place of public assembly ? 900 feet to the southeast Hickory Optimist Park is located approximately 900 feet to the southeast of the source area, at its closet point. 3. What is the zoning status of properties in the surrounding area ? C-2 General Business IND Industrial R-4 High-Density Residential CES Project No. 8123.0323E Page 13 May 31, 2023 4. Briefly characterize the use and activities of the land in the surrounding area. The site is generally located within a high-density urban area, with commercial, industrial and residential land uses. The site is bordered to the north by an unoccupied and vacant commercial building, on the east by Ninth Street, Southwest with commercial businesses located across the roadway, on the south by First Street, Southwest with a commercial business located across the roadway, and on the west by a single-family residence (mobile home). CES Project No. 8123.0323E Page 14 May 31, 2023 6.0 ASSESSMENT INFORMATION 6.1 Site Geology and Hydrogeology According to the Geological Map of North Carolina (1985), the subject site is located within the Piedmont Physiographic Province, is underlain by the metamorphic rocks of the Inner Piedmont, Chauga, Smith River Allochthon and Sauratown Mountain Belt, and is within a mica schist formation. A description of the underlying Rock Unit CZms is garnet. Staurolite, kyanite or sillimanite occurring locally; lenses and layers of quartz schist, micaceous quartzite, calc-silicate rock, biotite gneiss, amphibolite and phyllite. According to the US Department of Agriculture, Natural Resources Conservation Service, Web Soil Survey, soils at the subject property consist of Clifford sandy loam (CfB), which generally have 2 to 6 percent slopes, and are classified as well drained sandy loam (0 to 10-inches), clay (10 to 47- inches), clay loam (47 to 57-inches) and loam (57 to 80-inches). Parent materials were classified as saprolite derived from granite and gneiss and/or schist. According to a Limited Site Assessment Report, dated May 5, 2006, and prepared by Advanced Environmental Technologies, LLC, apparent groundwater flow direction at the site is in a westerly direction. 6.2 Sampling Activities No soil, groundwater, surface water or water supply well samples were collected as part of the receptor survey. However, based on a review of historical soil and groundwater laboratory results from samples last collected in September, 2006 and October, 2005, respectively, petroleum-related constituents in soil and groundwater were reported above their respective standards. CES Project No. 8123.0323E Page 15 May 31, 2023 7.0 CONCLUSIONS AND RECOMMENDATIONS Based on the reported presence of petroleum-related constituents in soil and groundwater above applicable standards from the last round of sampling conducted at the site in September, 2006 and October, 2005, respectively, it is recommended that up to four soil borings be installed in the areas of previous soil exceedances, ie the area of the former USTs, dispenser islands and product lines, and up to six existing groundwater monitoring wells be sampled from wells previously reporting 2L exceedances and/or located along the property boundaries, as depicted on Figure 2, in order to evaluate current subsurface soil and groundwater conditions in comparison to updated state standards, and to determine if regulatory closure can be achieved through a NRP or NFA. CES Project No. 8123.0323E Page 16 May 31, 2023 8.0 REFERENCES Edgerton Environmental Services, Inc, of Cary, North Carolina. Comprehensive Site Assessment and Corrective Action Plan, dated July 6, 1992. Edgerton Environmental Services, Inc, of Cary, North Carolina. Comprehensive Site Assessment Addendum and Vacuum Extraction System Operation, dated February, 1994. Advanced Environmental Technologies, LLC, of Lakeland, Florida. Tank Closure Report, dated April 11, 2005. Advanced Environmental Technologies, LLC, of Lakeland, Florida. Limited Site Assessment Report, dated May 5, 2006. Advanced Environmental Technologies, LLC, of Lakeland, Florida. Limited Site Assessment Report Addendum, dated September 6, 2006. FIGURES APPENDIX B SITE PHOTOGRAPHS View of current onsite building and canopy Monitoring Well MW-21 in front of onsite building and southwest of former USTs Monitoring Well MW-7 Back of onsite building APPENDIX C MONITORING FIELD DATA SHEETS, JOB HAZARD ANALYSIS, AND HEALTH & SAFETY PLAN Appendix C: Groundwater Monitoring Field Data Completion Date: 8/2/2023 Incident Number and Name: Incident No. 6760 and 36190; Exprezit #503 UST ID No. MO-3089 and MO-7549 Well ID Sampling Date (m/dd/yy) Well Casing Diameter (in.) Screened Interval (x to y ft. BGS) Depth of Well (ft. BGS) Top of Casing Elevation * (ft.) Depth to Water from Top of Casing (ft.) Free Product Thickness (ft.) Groundwater Elevation* (ft.) Sample Analysis Number of Sample Containers Proposed Purged Volume (gal) Actual Purged Volume (gal) MNA ParametersPurge Comments N/AND25.34N/A35.20Unknown2"8/2/2023MW-3 6200B, incl MTBE + IPE + EDB, VPH, and EPH 5-gal5-gal8 Purged appr. 5-gallons prior to sampling. Bailer on bottom. Purged bailings observed to be clear. No odor present, with no sheen present on bailings. Not Collected N/AND23.30N/A28.4Unknown2"8/2/2023MW-5 6200B, incl MTBE + IPE + EDB, VPH, and EPH 5-gal5-gal8 Purged appr. 5-gallons prior to sampling. Purged bailings observed to be clear to murky brown. No odor present, with no sheen present on bailings. Not Collected N/AND24.53N/A29.91Unknown2"8/2/2023MW-7 6200B, incl MTBE + IPE + EDB, VPH, and EPH 5-gal5-gal8 Purged appr. 5-gallons prior to sampling. Purged bailings observed to be clear. No odor present, with no sheen present on bailings. Not Collected N/AND24.78N/A32.4Unknown2"8/2/2023MW-10 6200B, incl MTBE + IPE + EDB, VPH, EPH, and Lead 5-gal5-gal9 Purged appr. 5-gallons prior to sampling. Bailer on bottom. Purged bailings observed to be clear. No odor present, with no sheen present on bailings. Not Collected *: Top-of-Casing elevations not obtained under current task order / work order Exprezit #503, NCDEQ Incident No's.: 6760 and 36190, UST ID No.: MO-3089 and MO-7549 Appendix C: Groundwater Monitoring Field Data Completion Date: 8/2/2023 Incident Number and Name: Incident No. 6760 and 36190; Exprezit #503 UST ID No. MO-3089 and MO-7549 Well ID Sampling Date (m/dd/yy) Well Casing Diameter (in.) Screened Interval (x to y ft. BGS) Depth of Well (ft. BGS) Top of Casing Elevation * (ft.) Depth to Water from Top of Casing (ft.) Free Product Thickness (ft.) Groundwater Elevation* (ft.) Sample Analysis Number of Sample Containers Proposed Purged Volume (gal) Actual Purged Volume (gal) Purge Comments MNA Parameters MW-21 8/2/2023 2" Unknown 33.40 N/A 25.20 ND N/A 6200B, incl MTBE + IPE + EDB, VPH, and EPH 8 8-gal 8-gal Purged appr. 8-gallons prior to sampling. Purged bailings observed to be clear. Odor present, with no sheen present on bailings. Not Collected MW-23 8/2/2023 2" Unknown 33.68 N/A 25.90 ND N/A 6200B, incl MTBE + IPE + EDB, VPH, and EPH 8 5-gal 5-gal Purged appr. 5-gallons prior to sampling. Bailer on bottom. Purged bailings observed to be clear. No odor present, with no sheen present on bailings. Not Collected *: Top-of-Casing elevations not obtained under current task order / work order Site/Location Contract Number N022023 Customer NCDEQ STF (Scott Ryals)Prepared By Competent Person Greg Hans Date Prepared 8/1/2023 Phone Number 617-828-9948 PPE Level Level D Step Step Step Step Closest Hospital/ER Frye Regional Medical Center Hospital Address 420 N Center Street, Hickory, NC 28601 Hospital Phone #828-315-5000 Local Police Number 828-328-5551 (Hickory PD) 8/1/2023 Signature Date 3525 Whitehall Park Drive, Suite 150, Charlotte, NC 28273 Sequence of Basic Job Steps Potential Incidents or Hazards Recommended Procedures to Eliminate Potential Hazards/Incidents 5 Collecting GW Samples Exposure to Contaminants Wear proper PPE (change gloves to avoid cross contamination). Monitor ambient air for petroleum vapors. Matt Sumner Printed Name CALL 911 FOREMERGENCY 2 Parking Vehicular accidents / damage to vehicles Park in areas off of roadway, at least 10 feet, use orange cones and flashers to identify parked location. Discuss parking areas with current site owners/managers. 3 Site Recon / Surveys Slips, Trips, Falls / Vehicles Wear proper PPE (including visibility vest), maintain safe distance from travel lanes at all times, do not turn back to oncoming traffic. Avoid crossing busy streets/intersections. Check surface areas prior to accessing for S, T, F hazards. Job Hazard Analysis & Health/Safety Issues Sequence of Basic Job Steps Potential Incidents or Hazards Recommended Procedures to Eliminate Potential Hazards/Incidents Driving / Site Access Vehicular accidents / traffic violations / accidents with large equipment Practice defensive driving techniques, use turn signals, stay in lanes, obey speed limits / while onsite, pay close attention to large pieces of equipment in facility and make eye contact with operators before proceeding / always have strobe light flashers on. 1 Expezit #503 - Hickory, NC 910 1st Ave SW Matt Sumner (704-832-9876) Sequence of Basic Job Steps Potential Incidents or Hazards Recommended Procedures to Eliminate Potential Hazards/Incidents Sequence of Basic Job Steps Potential Incidents or Hazards APPENDIX D SOIL AND GROUNDWATER WELL LABORATORY REPORTS AND CHAIN- OF-CUSTODY RECORDS   Laboratory's liability in any claim relating to analyses performed shall be limited to, at laboratory's option, repeating the analysis in question at laboratory's expense, or the refund of the charges paid for performance of said analysis.   8/10/2023 CES Group Greg Hans 3525 Whitehall Park Dr. Suite 150 Charlotte, NC, 28273 Ref: Analytical Testing Lab Report Number: 23-215-0001 Client Project Description: Exprezit #503 Dear Greg Hans: Waypoint Analytical, LLC (Charlotte) received sample(s) on 8/2/2023 for the analyses presented in the following report. The above referenced project has been analyzed per your instructions. The analyses were performed in accordance with the applicable analytical method. The analytical data has been validated using standard quality control measures performed as required by the analytical method. Quality Assurance, method validations, instrumentation maintenance and calibration for all parameters were performed in accordance with guidelines established by the USEPA (including 40 CFR 136 Method Update Rule May 2021) unless otherwise indicated. Certain parameters (chlorine, pH, dissolved oxygen, sulfite...) are required to be analyzed within 15 minutes of sampling. Usually, but not always, any field parameter analyzed at the laboratory is outside of this holding time. Refer to sample analysis time for confirmation of holding time compliance. The results are shown on the attached Report of Analysis(s). Results for solid matrices are reported on an as-received basis unless otherwise indicated. This report shall not be reproduced except in full and relates only to the samples included in this report. Please do not hesitate to contact me or client services if you have any questions or need additional information. Sincerely, Angela D Overcash Senior Project Manager Page 1 of 60 Certification Summary Laboratory ID: WP CNC: Waypoint Analytical Carolina, Inc. (C), Charlotte, NC State Program Lab ID Expiration Date 07/31/202437735State ProgramNorth Carolina 12/31/2023402State ProgramNorth Carolina 07/31/202399012State ProgramSouth Carolina 12/31/202299012State ProgramSouth Carolina Page 1 of 1 00016/23-215-0001 Page 2 of 60 Report Number: Sample Summary Table Client Project Description: 23-215-0001 Exprezit #503 Lab No Client Sample ID Matrix Date Collected Date Received 08/02/2023 11:00Aqueous 91377 MW3 08/02/2023 16:15 08/02/2023 12:00Aqueous 91378 MW5 08/02/2023 16:15 08/02/2023 11:30Aqueous 91379 MW10 08/02/2023 16:15 08/02/2023 13:10Aqueous 91380 MW7 08/02/2023 16:15 08/02/2023 10:20Aqueous 91381 MW23 08/02/2023 16:15 08/02/2023 14:00Aqueous 91382 MW21 08/02/2023 16:15 08/02/2023 14:30Aqueous 91383 Field Blank 08/02/2023 16:15 Page 3 of 60 Summary of Detected Analytes QualifiersAnalyzedUnitsResult Report Number: Client Sample ID Method Parameters Lab Sample ID 23-215-0001 Report Limit Project:Exprezit #503 V 91377MW3 J0.486 08/04/2023 10:576200Bn-Butylbenzene µg/L 0.180 3.46 08/04/2023 10:576200BMethyl tert-butyl ether (MTBE)µg/L 0.140 2.82 08/04/2023 10:576200B1,2,4-Trimethylbenzene µg/L 0.190 1.37 08/04/2023 10:576200B1,3,5-Trimethylbenzene µg/L 0.180 JB52.3 08/09/2023 00:58MADEP-EPH Aliphatic C9-C18 µg/L 28.2 J75.8 08/09/2023 00:58MADEP-EPH Aromatic C11-C22 µg/L 61.2 J19.3 08/03/2023 23:58MADEP-VPH Aliphatic C5-C8 µg/L 11.5 J45.4 08/03/2023 23:58MADEP-VPH Aliphatic C9-C12 µg/L 25.8 J13.0 08/03/2023 23:58MADEP-VPH Aromatic C9-C10 µg/L 4.02 V 91378MW5 JB34.0 08/09/2023 01:34MADEP-EPH Aliphatic C9-C18 µg/L 28.2 V 91379MW10 13.8 08/04/2023 11:476200BMethyl tert-butyl ether (MTBE)µg/L 0.140 J0.234 08/04/2023 11:476200B1,3,5-Trimethylbenzene µg/L 0.180 JB35.0 08/09/2023 02:11MADEP-EPH Aliphatic C9-C18 µg/L 28.2 V 91380MW7 JB30.4 08/09/2023 02:47MADEP-EPH Aliphatic C9-C18 µg/L 28.2 V 91381MW23 16.8 08/04/2023 12:376200BMethyl tert-butyl ether (MTBE)µg/L 0.140 JB36.4 08/09/2023 03:23MADEP-EPH Aliphatic C9-C18 µg/L 28.2 J29.2 08/04/2023 01:56MADEP-VPH Aliphatic C9-C12 µg/L 25.8 V 91382MW21 J0.465 08/04/2023 08:176200BBenzeneµg/L 0.180 7.75 08/04/2023 08:176200Bn-Butylbenzene µg/L 0.180 3.31 08/04/2023 08:176200Bsec-Butyl benzene µg/L 0.200 19.4 08/04/2023 08:176200BEthylbenzeneµg/L 0.170 12.6 08/04/2023 08:176200BIsopropylbenzeneµg/L 0.180 1.99 08/04/2023 08:176200B4-Isopropyl toluene µg/L 0.089 2.01 08/04/2023 08:176200BMethyl tert-butyl ether (MTBE)µg/L 0.140 J0.479 08/04/2023 08:176200BMethylene Chloride µg/L 0.330 41.8 08/04/2023 08:176200BNaphthaleneµg/L 0.470 16.9 08/04/2023 08:176200Bn-Propylbenzene µg/L 0.190 1.04 08/04/2023 08:176200BTolueneµg/L 0.220 9.24 08/04/2023 08:176200B1,2,4-Trimethylbenzene µg/L 0.190 Page 4 of 60 Summary of Detected Analytes QualifiersAnalyzedUnitsResult Report Number: Client Sample ID Method Parameters Lab Sample ID 23-215-0001 Report Limit Project:Exprezit #503 V 91382MW21 14.9 08/04/2023 08:176200B1,3,5-Trimethylbenzene µg/L 0.180 11.5 08/04/2023 08:176200Bo-Xylene µg/L 0.210 12.3 08/04/2023 08:176200Bm,p-Xylene µg/L 0.420 23.8 08/04/2023 08:176200BXylene (Total)µg/L 0.210 J22208/09/2023 04:00MADEP-EPH Aromatic C11-C22 µg/L 61.2 1530 08/04/2023 02:20MADEP-VPH Aliphatic C5-C8 µg/L 11.5 602 08/04/2023 02:20MADEP-VPH Aliphatic C9-C12 µg/L 25.8 466 08/04/2023 02:20MADEP-VPH Aromatic C9-C10 µg/L 4.02 V 91383Field Blank J0.374 08/04/2023 07:226200BMethylene Chloride µg/L 0.330 Page 5 of 60   Client: CES Group CASE NARRATIVE Project: Exprezit #503 Lab Report Number: 23-215-0001 Date: 8/10/2023 Massachusetts EPH Method MADEP-EPH Sample 91379 (MW10) QC Batch No: V36386 Surrogate(s) was flagged for low recovery in this project sample. This sample will be re-analyzed for verification. Volatile Organic Compounds - GC/MS Method 6200B Analyte: 1,2,3-Trichlorobenzene QC Batch No: V36262/V36261 Recovery for the LCS exceeded the upper acceptance limit. However, all sample results associated with the batch are below the MQL, so this high bias had no impact upon the client data. The results are considered to be acceptable. Analyte: Ethanol QC Batch No: V36246/V36261 Relative Percent Difference (RPD) for the duplicate analysis was outside of the allowable QC limits. Metals Analysis Method 6010D Sample 91297 (GMW-1) Analyte: Lead QC Batch No: V36417/V36361 LLC failed high. Sample concentration BRL. Result not affected. Sample 91379 (MW10) Analyte: Lead QC Batch No: V36417/V36361 LLC failed high. Sample concentration BRL. Result not affected. Page 6 of 60 , REPORT OF ANALYSISReport Number : Project Information : NC 28273 23-215-0001 00012 CES Group 3525 Whitehall Park Dr. Suite 150 Greg Hans Charlotte Angela D Overcash Senior Project Manager Received : 08/02/2023 Exprezit #503 Report Date : 08/10/2023 Sample ID : Lab No : Sampled:MW3 91377 Matrix: 8/2/2023 11:00 Aqueous Analytical Method: Prep Method: Test Results Units MDL MQL By Analytical Batch Date / Time Analyzed DF 6200 PT 6200B Prep Batch(es):V36261 08/03/23 14:00 <1.80 µg/L 1.80 10.0Acetone 1 08/04/23 10:57 V36262MSA <0.180 µg/L 0.180 0.500Benzene 1 08/04/23 10:57 V36262MSA <0.210 µg/L 0.210 0.500Bromobenzene 1 08/04/23 10:57 V36262MSA <0.420 µg/L 0.420 1.00Bromochloromethane 1 08/04/23 10:57 V36262MSA <0.160 µg/L 0.160 0.500Bromodichloromethane 1 08/04/23 10:57 V36262MSA <1.50 µg/L 1.50 5.00Bromoform 1 08/04/23 10:57 V36262MSA <0.280 µg/L 0.280 1.00Bromomethane 1 08/04/23 10:57 V36262MSA 0.486 J µg/L 0.180 0.500n-Butylbenzene 1 08/04/23 10:57 V36262MSA <0.200 µg/L 0.200 0.500 sec-Butyl benzene 1 08/04/23 10:57 V36262MSA <0.920 µg/L 0.920 2.00tert-Butyl benzene 1 08/04/23 10:57 V36262MSA <0.180 µg/L 0.180 0.500Carbon Tetrachloride 1 08/04/23 10:57 V36262MSA <0.190 µg/L 0.190 0.500Chlorobenzene 1 08/04/23 10:57 V36262MSA <0.190 µg/L 0.190 0.500Chlorodibromomethane 1 08/04/23 10:57 V36262MSA <0.430 µg/L 0.430 1.00Chloroethane 1 08/04/23 10:57 V36262MSA <0.220 µg/L 0.220 0.500Chloroform 1 08/04/23 10:57 V36262MSA <0.220 µg/L 0.220 0.500 Chloromethane 1 08/04/23 10:57 V36262MSA <0.200 µg/L 0.200 0.5002-Chlorotoluene 1 08/04/23 10:57 V36262MSA <0.200 µg/L 0.200 0.5004-Chlorotoluene 1 08/04/23 10:57 V36262MSA <0.500 µg/L 0.500 0.500Di-Isopropyl Ether (DIPE)1 08/04/23 10:57 V36262MSA <1.10 µg/L 1.10 2.001,2-Dibromo-3-Chloropropane 1 08/04/23 10:57 V36262MSA <0.200 µg/L 0.200 0.5001,2-Dibromoethane 1 08/04/23 10:57 V36262MSA <0.230 µg/L 0.230 0.500Dibromomethane 1 08/04/23 10:57 V36262MSA Qualifiers/ Definitions Analyte detected in blankBOutside QC Limit* Estimated valueJDilution FactorDF Method Quantitation LimitMQLMinimum valueM Page 7 of 60 , REPORT OF ANALYSISReport Number : Project Information : NC 28273 23-215-0001 00012 CES Group 3525 Whitehall Park Dr. Suite 150 Greg Hans Charlotte Angela D Overcash Senior Project Manager Received : 08/02/2023 Exprezit #503 Report Date : 08/10/2023 Sample ID : Lab No : Sampled:MW3 91377 Matrix: 8/2/2023 11:00 Aqueous Analytical Method: Prep Method: Test Results Units MDL MQL By Analytical Batch Date / Time Analyzed DF 6200 PT 6200B Prep Batch(es):V36261 08/03/23 14:00 <0.220 µg/L 0.220 0.5001,2-Dichlorobenzene 1 08/04/23 10:57 V36262MSA <0.190 µg/L 0.190 0.5001,3-Dichlorobenzene 1 08/04/23 10:57 V36262MSA <0.210 µg/L 0.210 0.5001,4-Dichlorobenzene 1 08/04/23 10:57 V36262MSA <1.20 µg/L 1.20 5.00Dichlorodifluoromethane 1 08/04/23 10:57 V36262MSA <0.240 µg/L 0.240 0.5001,1-Dichloroethane 1 08/04/23 10:57 V36262MSA <0.150 µg/L 0.150 0.5001,2-Dichloroethane 1 08/04/23 10:57 V36262MSA <0.150 µg/L 0.150 0.5001,1-Dichloroethene 1 08/04/23 10:57 V36262MSA <0.200 µg/L 0.200 0.500cis-1,2-Dichloroethene 1 08/04/23 10:57 V36262MSA <0.180 µg/L 0.180 0.500 trans-1,2-Dichloroethene 1 08/04/23 10:57 V36262MSA <0.190 µg/L 0.190 0.5001,2-Dichloropropane 1 08/04/23 10:57 V36262MSA <0.130 µg/L 0.130 0.5001,3-Dichloropropane 1 08/04/23 10:57 V36262MSA <0.210 M µg/L 0.210 2.002,2-Dichloropropane 1 08/04/23 10:57 V36262MSA <0.200 µg/L 0.200 0.5001,1-Dichloropropene 1 08/04/23 10:57 V36262MSA <0.210 µg/L 0.210 0.500cis-1,3-Dichloropropene 1 08/04/23 10:57 V36262MSA <0.150 µg/L 0.150 0.500trans-1,3-Dichloropropene 1 08/04/23 10:57 V36262MSA <42.0 µg/L 42.0 200 Ethanol 1 08/04/23 10:57 V36262MSA <0.170 µg/L 0.170 0.500Ethylbenzene 1 08/04/23 10:57 V36262MSA <0.350 µg/L 0.350 3.00Hexachlorobutadiene 1 08/04/23 10:57 V36262MSA <0.380 µg/L 0.380 1.002-Hexanone 1 08/04/23 10:57 V36262MSA <0.180 µg/L 0.180 0.500Isopropylbenzene 1 08/04/23 10:57 V36262MSA <0.089 µg/L 0.089 0.5004-Isopropyl toluene 1 08/04/23 10:57 V36262MSA <0.710 µg/L 0.710 5.00Methyl Ethyl Ketone (MEK)1 08/04/23 10:57 V36262MSA Qualifiers/ Definitions Analyte detected in blankBOutside QC Limit* Estimated valueJDilution FactorDF Method Quantitation LimitMQLMinimum valueM Page 8 of 60 , REPORT OF ANALYSISReport Number : Project Information : NC 28273 23-215-0001 00012 CES Group 3525 Whitehall Park Dr. Suite 150 Greg Hans Charlotte Angela D Overcash Senior Project Manager Received : 08/02/2023 Exprezit #503 Report Date : 08/10/2023 Sample ID : Lab No : Sampled:MW3 91377 Matrix: 8/2/2023 11:00 Aqueous Analytical Method: Prep Method: Test Results Units MDL MQL By Analytical Batch Date / Time Analyzed DF 6200 PT 6200B Prep Batch(es):V36261 08/03/23 14:00 3.46 µg/L 0.140 1.00Methyl tert-butyl ether (MTBE)1 08/04/23 10:57 V36262MSA <0.078 µg/L 0.078 1.004-Methyl-2-Pentanone 1 08/04/23 10:57 V36262MSA <0.330 µg/L 0.330 2.00Methylene Chloride 1 08/04/23 10:57 V36262MSA <0.470 µg/L 0.470 1.00Naphthalene 1 08/04/23 10:57 V36262MSA <0.190 µg/L 0.190 0.500n-Propylbenzene 1 08/04/23 10:57 V36262MSA <0.220 µg/L 0.220 0.500Styrene 1 08/04/23 10:57 V36262MSA <0.160 µg/L 0.160 0.5001,1,1,2-Tetrachloroethane 1 08/04/23 10:57 V36262MSA <0.160 µg/L 0.160 0.5001,1,2,2-Tetrachloroethane 1 08/04/23 10:57 V36262MSA <0.220 µg/L 0.220 0.500 Tetrachloroethene 1 08/04/23 10:57 V36262MSA <0.220 µg/L 0.220 0.500Toluene 1 08/04/23 10:57 V36262MSA <0.380 µg/L 0.380 0.5001,2,3-Trichlorobenzene 1 08/04/23 10:57 V36262MSA <0.310 µg/L 0.310 0.5001,2,4-Trichlorobenzene 1 08/04/23 10:57 V36262MSA <0.160 µg/L 0.160 0.5001,1,1-Trichloroethane 1 08/04/23 10:57 V36262MSA <0.096 µg/L 0.096 0.5001,1,2-Trichloroethane 1 08/04/23 10:57 V36262MSA <0.180 µg/L 0.180 0.500Trichloroethene 1 08/04/23 10:57 V36262MSA <0.180 µg/L 0.180 0.500 Trichlorofluoromethane 1 08/04/23 10:57 V36262MSA <0.270 µg/L 0.270 0.5001,2,3-Trichloropropane 1 08/04/23 10:57 V36262MSA 2.82 µg/L 0.190 0.5001,2,4-Trimethylbenzene 1 08/04/23 10:57 V36262MSA 1.37 µg/L 0.180 0.5001,3,5-Trimethylbenzene 1 08/04/23 10:57 V36262MSA <1.00 µg/L 1.00 5.00Vinyl Acetate 1 08/04/23 10:57 V36262MSA <0.170 µg/L 0.170 0.500Vinyl Chloride 1 08/04/23 10:57 V36262MSA <0.210 µg/L 0.210 0.500o-Xylene 1 08/04/23 10:57 V36262MSA Qualifiers/ Definitions Analyte detected in blankBOutside QC Limit* Estimated valueJDilution FactorDF Method Quantitation LimitMQLMinimum valueM Page 9 of 60 , REPORT OF ANALYSISReport Number : Project Information : NC 28273 23-215-0001 00012 CES Group 3525 Whitehall Park Dr. Suite 150 Greg Hans Charlotte Angela D Overcash Senior Project Manager Received : 08/02/2023 Exprezit #503 Report Date : 08/10/2023 Sample ID : Lab No : Sampled:MW3 91377 Matrix: 8/2/2023 11:00 Aqueous Analytical Method: Prep Method: Test Results Units MDL MQL By Analytical Batch Date / Time Analyzed DF 6200 PT 6200B Prep Batch(es):V36261 08/03/23 14:00 <0.420 µg/L 0.420 1.00m,p-Xylene 1 08/04/23 10:57 V36262MSA <0.21 µg/L 0.210 0.500Xylene (Total)1 08/04/23 10:57 V36262 Surrogate: 4-Bromofluorobenzene 92.2 Limits: 70-130%08/04/23 10:571 MSA V36262 Surrogate: Dibromofluoromethane 96.6 Limits: 70-130%08/04/23 10:571 MSA V36262 Surrogate: 1,2-Dichloroethane - d4 91.6 Limits: 70-130%08/04/23 10:571 MSA V36262 Surrogate: Toluene-d8 110 Limits: 70-130%08/04/23 10:571 MSA V36262 Qualifiers/ Definitions Analyte detected in blankBOutside QC Limit* Estimated valueJDilution FactorDF Method Quantitation LimitMQLMinimum valueM Page 10 of 60 , REPORT OF ANALYSISReport Number : Project Information : NC 28273 23-215-0001 00012 CES Group 3525 Whitehall Park Dr. Suite 150 Greg Hans Charlotte Angela D Overcash Senior Project Manager Received : 08/02/2023 Exprezit #503 Report Date : 08/10/2023 Sample ID : Lab No : Sampled:MW3 91377 Matrix: 8/2/2023 11:00 Aqueous Analytical Method: Prep Method: Test Results Units MDL MQL By Analytical Batch Date / Time Analyzed DF MAEPH (Prep) MADEP-EPH Prep Batch(es):V36328 08/08/23 10:37 52.3 JB µg/L 28.2 350Aliphatic C9-C18 1 08/09/23 00:58 V36386NDL <124 µg/L 124 500Aliphatic C19-C36 1 08/09/23 00:58 V36386NDL 75.8 J µg/L 61.2 250Aromatic C11-C22 1 08/09/23 00:58 V36386NDL MADEP-EPHSurrogate: 2-Bromonaphthalene 95.0 Limits: 40-140%08/09/23 00:581 NDL MADEP-EPHSurrogate: Chlorooctadecane 48.6 Limits: 40-140%08/09/23 00:581 NDL MADEP-EPHSurrogate: OTP Surrogate 66.8 Limits: 40-140%08/09/23 00:581 NDL Surrogate: 2-Fluorobiphenyl 94.8 Limits: 40-140%08/09/23 00:581 NDL V36386 Analytical Method: Prep Method: Test Results Units MDL MQL By Analytical Batch Date / Time Analyzed DF MAVPH (Prep) MADEP-VPH Prep Batch(es):V36174 08/03/23 08:00 19.3 J µg/L 11.5 50.0 Aliphatic C5-C8 1 08/03/23 23:58 V36175TBL 45.4 J µg/L 25.8 50.0Aliphatic C9-C12 1 08/03/23 23:58 V36175TBL 13.0 J µg/L 4.02 50.0Aromatic C9-C10 1 08/03/23 23:58 V36175TBL MADEP-VPHSurrogate: 2,5-Dibromotoluene (FID)88.7 Limits: 70-130%08/03/23 23:581 TBL MADEP-VPHSurrogate: 2,5-Dibromotoluene (PID)81.9 Limits: 70-130%08/03/23 23:581 TBL Qualifiers/ Definitions Analyte detected in blankBOutside QC Limit* Estimated valueJDilution FactorDF Method Quantitation LimitMQLMinimum valueM Page 11 of 60 , REPORT OF ANALYSISReport Number : Project Information : NC 28273 23-215-0001 00012 CES Group 3525 Whitehall Park Dr. Suite 150 Greg Hans Charlotte Angela D Overcash Senior Project Manager Received : 08/02/2023 Exprezit #503 Report Date : 08/10/2023 Sample ID : Lab No : Sampled:MW5 91378 Matrix: 8/2/2023 12:00 Aqueous Analytical Method: Prep Method: Test Results Units MDL MQL By Analytical Batch Date / Time Analyzed DF 6200 PT 6200B Prep Batch(es):V36261 08/03/23 14:00 <1.80 µg/L 1.80 10.0Acetone 1 08/04/23 11:22 V36262MSA <0.180 µg/L 0.180 0.500Benzene 1 08/04/23 11:22 V36262MSA <0.210 µg/L 0.210 0.500Bromobenzene 1 08/04/23 11:22 V36262MSA <0.420 µg/L 0.420 1.00Bromochloromethane 1 08/04/23 11:22 V36262MSA <0.160 µg/L 0.160 0.500Bromodichloromethane 1 08/04/23 11:22 V36262MSA <1.50 µg/L 1.50 5.00Bromoform 1 08/04/23 11:22 V36262MSA <0.280 µg/L 0.280 1.00Bromomethane 1 08/04/23 11:22 V36262MSA <0.180 µg/L 0.180 0.500n-Butylbenzene 1 08/04/23 11:22 V36262MSA <0.200 µg/L 0.200 0.500 sec-Butyl benzene 1 08/04/23 11:22 V36262MSA <0.920 µg/L 0.920 2.00tert-Butyl benzene 1 08/04/23 11:22 V36262MSA <0.180 µg/L 0.180 0.500Carbon Tetrachloride 1 08/04/23 11:22 V36262MSA <0.190 µg/L 0.190 0.500Chlorobenzene 1 08/04/23 11:22 V36262MSA <0.190 µg/L 0.190 0.500Chlorodibromomethane 1 08/04/23 11:22 V36262MSA <0.430 µg/L 0.430 1.00Chloroethane 1 08/04/23 11:22 V36262MSA <0.220 µg/L 0.220 0.500Chloroform 1 08/04/23 11:22 V36262MSA <0.220 µg/L 0.220 0.500 Chloromethane 1 08/04/23 11:22 V36262MSA <0.200 µg/L 0.200 0.5002-Chlorotoluene 1 08/04/23 11:22 V36262MSA <0.200 µg/L 0.200 0.5004-Chlorotoluene 1 08/04/23 11:22 V36262MSA <0.500 µg/L 0.500 0.500Di-Isopropyl Ether (DIPE)1 08/04/23 11:22 V36262MSA <1.10 µg/L 1.10 2.001,2-Dibromo-3-Chloropropane 1 08/04/23 11:22 V36262MSA <0.200 µg/L 0.200 0.5001,2-Dibromoethane 1 08/04/23 11:22 V36262MSA <0.230 µg/L 0.230 0.500Dibromomethane 1 08/04/23 11:22 V36262MSA Qualifiers/ Definitions Analyte detected in blankBOutside QC Limit* Estimated valueJDilution FactorDF Method Quantitation LimitMQLMinimum valueM Page 12 of 60 , REPORT OF ANALYSISReport Number : Project Information : NC 28273 23-215-0001 00012 CES Group 3525 Whitehall Park Dr. Suite 150 Greg Hans Charlotte Angela D Overcash Senior Project Manager Received : 08/02/2023 Exprezit #503 Report Date : 08/10/2023 Sample ID : Lab No : Sampled:MW5 91378 Matrix: 8/2/2023 12:00 Aqueous Analytical Method: Prep Method: Test Results Units MDL MQL By Analytical Batch Date / Time Analyzed DF 6200 PT 6200B Prep Batch(es):V36261 08/03/23 14:00 <0.220 µg/L 0.220 0.5001,2-Dichlorobenzene 1 08/04/23 11:22 V36262MSA <0.190 µg/L 0.190 0.5001,3-Dichlorobenzene 1 08/04/23 11:22 V36262MSA <0.210 µg/L 0.210 0.5001,4-Dichlorobenzene 1 08/04/23 11:22 V36262MSA <1.20 µg/L 1.20 5.00Dichlorodifluoromethane 1 08/04/23 11:22 V36262MSA <0.240 µg/L 0.240 0.5001,1-Dichloroethane 1 08/04/23 11:22 V36262MSA <0.150 µg/L 0.150 0.5001,2-Dichloroethane 1 08/04/23 11:22 V36262MSA <0.150 µg/L 0.150 0.5001,1-Dichloroethene 1 08/04/23 11:22 V36262MSA <0.200 µg/L 0.200 0.500cis-1,2-Dichloroethene 1 08/04/23 11:22 V36262MSA <0.180 µg/L 0.180 0.500 trans-1,2-Dichloroethene 1 08/04/23 11:22 V36262MSA <0.190 µg/L 0.190 0.5001,2-Dichloropropane 1 08/04/23 11:22 V36262MSA <0.130 µg/L 0.130 0.5001,3-Dichloropropane 1 08/04/23 11:22 V36262MSA <0.210 M µg/L 0.210 2.002,2-Dichloropropane 1 08/04/23 11:22 V36262MSA <0.200 µg/L 0.200 0.5001,1-Dichloropropene 1 08/04/23 11:22 V36262MSA <0.210 µg/L 0.210 0.500cis-1,3-Dichloropropene 1 08/04/23 11:22 V36262MSA <0.150 µg/L 0.150 0.500trans-1,3-Dichloropropene 1 08/04/23 11:22 V36262MSA <42.0 µg/L 42.0 200 Ethanol 1 08/04/23 11:22 V36262MSA <0.170 µg/L 0.170 0.500Ethylbenzene 1 08/04/23 11:22 V36262MSA <0.350 µg/L 0.350 3.00Hexachlorobutadiene 1 08/04/23 11:22 V36262MSA <0.380 µg/L 0.380 1.002-Hexanone 1 08/04/23 11:22 V36262MSA <0.180 µg/L 0.180 0.500Isopropylbenzene 1 08/04/23 11:22 V36262MSA <0.089 µg/L 0.089 0.5004-Isopropyl toluene 1 08/04/23 11:22 V36262MSA <0.710 µg/L 0.710 5.00Methyl Ethyl Ketone (MEK)1 08/04/23 11:22 V36262MSA Qualifiers/ Definitions Analyte detected in blankBOutside QC Limit* Estimated valueJDilution FactorDF Method Quantitation LimitMQLMinimum valueM Page 13 of 60 , REPORT OF ANALYSISReport Number : Project Information : NC 28273 23-215-0001 00012 CES Group 3525 Whitehall Park Dr. Suite 150 Greg Hans Charlotte Angela D Overcash Senior Project Manager Received : 08/02/2023 Exprezit #503 Report Date : 08/10/2023 Sample ID : Lab No : Sampled:MW5 91378 Matrix: 8/2/2023 12:00 Aqueous Analytical Method: Prep Method: Test Results Units MDL MQL By Analytical Batch Date / Time Analyzed DF 6200 PT 6200B Prep Batch(es):V36261 08/03/23 14:00 <0.140 µg/L 0.140 1.00Methyl tert-butyl ether (MTBE)1 08/04/23 11:22 V36262MSA <0.078 µg/L 0.078 1.004-Methyl-2-Pentanone 1 08/04/23 11:22 V36262MSA <0.330 µg/L 0.330 2.00Methylene Chloride 1 08/04/23 11:22 V36262MSA <0.470 µg/L 0.470 1.00Naphthalene 1 08/04/23 11:22 V36262MSA <0.190 µg/L 0.190 0.500n-Propylbenzene 1 08/04/23 11:22 V36262MSA <0.220 µg/L 0.220 0.500Styrene 1 08/04/23 11:22 V36262MSA <0.160 µg/L 0.160 0.5001,1,1,2-Tetrachloroethane 1 08/04/23 11:22 V36262MSA <0.160 µg/L 0.160 0.5001,1,2,2-Tetrachloroethane 1 08/04/23 11:22 V36262MSA <0.220 µg/L 0.220 0.500 Tetrachloroethene 1 08/04/23 11:22 V36262MSA <0.220 µg/L 0.220 0.500Toluene 1 08/04/23 11:22 V36262MSA <0.380 µg/L 0.380 0.5001,2,3-Trichlorobenzene 1 08/04/23 11:22 V36262MSA <0.310 µg/L 0.310 0.5001,2,4-Trichlorobenzene 1 08/04/23 11:22 V36262MSA <0.160 µg/L 0.160 0.5001,1,1-Trichloroethane 1 08/04/23 11:22 V36262MSA <0.096 µg/L 0.096 0.5001,1,2-Trichloroethane 1 08/04/23 11:22 V36262MSA <0.180 µg/L 0.180 0.500Trichloroethene 1 08/04/23 11:22 V36262MSA <0.180 µg/L 0.180 0.500 Trichlorofluoromethane 1 08/04/23 11:22 V36262MSA <0.270 µg/L 0.270 0.5001,2,3-Trichloropropane 1 08/04/23 11:22 V36262MSA <0.190 µg/L 0.190 0.5001,2,4-Trimethylbenzene 1 08/04/23 11:22 V36262MSA <0.180 µg/L 0.180 0.5001,3,5-Trimethylbenzene 1 08/04/23 11:22 V36262MSA <1.00 µg/L 1.00 5.00Vinyl Acetate 1 08/04/23 11:22 V36262MSA <0.170 µg/L 0.170 0.500Vinyl Chloride 1 08/04/23 11:22 V36262MSA <0.210 µg/L 0.210 0.500o-Xylene 1 08/04/23 11:22 V36262MSA Qualifiers/ Definitions Analyte detected in blankBOutside QC Limit* Estimated valueJDilution FactorDF Method Quantitation LimitMQLMinimum valueM Page 14 of 60 , REPORT OF ANALYSISReport Number : Project Information : NC 28273 23-215-0001 00012 CES Group 3525 Whitehall Park Dr. Suite 150 Greg Hans Charlotte Angela D Overcash Senior Project Manager Received : 08/02/2023 Exprezit #503 Report Date : 08/10/2023 Sample ID : Lab No : Sampled:MW5 91378 Matrix: 8/2/2023 12:00 Aqueous Analytical Method: Prep Method: Test Results Units MDL MQL By Analytical Batch Date / Time Analyzed DF 6200 PT 6200B Prep Batch(es):V36261 08/03/23 14:00 <0.420 µg/L 0.420 1.00m,p-Xylene 1 08/04/23 11:22 V36262MSA <0.21 µg/L 0.210 0.500Xylene (Total)1 08/04/23 11:22 V36262 Surrogate: 4-Bromofluorobenzene 93.4 Limits: 70-130%08/04/23 11:221 MSA V36262 Surrogate: Dibromofluoromethane 96.8 Limits: 70-130%08/04/23 11:221 MSA V36262 Surrogate: 1,2-Dichloroethane - d4 91.8 Limits: 70-130%08/04/23 11:221 MSA V36262 Surrogate: Toluene-d8 110 Limits: 70-130%08/04/23 11:221 MSA V36262 Qualifiers/ Definitions Analyte detected in blankBOutside QC Limit* Estimated valueJDilution FactorDF Method Quantitation LimitMQLMinimum valueM Page 15 of 60 , REPORT OF ANALYSISReport Number : Project Information : NC 28273 23-215-0001 00012 CES Group 3525 Whitehall Park Dr. Suite 150 Greg Hans Charlotte Angela D Overcash Senior Project Manager Received : 08/02/2023 Exprezit #503 Report Date : 08/10/2023 Sample ID : Lab No : Sampled:MW5 91378 Matrix: 8/2/2023 12:00 Aqueous Analytical Method: Prep Method: Test Results Units MDL MQL By Analytical Batch Date / Time Analyzed DF MAEPH (Prep) MADEP-EPH Prep Batch(es):V36328 08/08/23 10:37 34.0 JB µg/L 28.2 350Aliphatic C9-C18 1 08/09/23 01:34 V36386NDL <124 µg/L 124 500Aliphatic C19-C36 1 08/09/23 01:34 V36386NDL <61.2 µg/L 61.2 250Aromatic C11-C22 1 08/09/23 01:34 V36386NDL MADEP-EPHSurrogate: 2-Bromonaphthalene 93.5 Limits: 40-140%08/09/23 01:341 NDL MADEP-EPHSurrogate: Chlorooctadecane 57.1 Limits: 40-140%08/09/23 01:341 NDL MADEP-EPHSurrogate: OTP Surrogate 64.9 Limits: 40-140%08/09/23 01:341 NDL Surrogate: 2-Fluorobiphenyl 94.0 Limits: 40-140%08/09/23 01:341 NDL V36386 Analytical Method: Prep Method: Test Results Units MDL MQL By Analytical Batch Date / Time Analyzed DF MAVPH (Prep) MADEP-VPH Prep Batch(es):V36174 08/03/23 08:00 <11.5 µg/L 11.5 50.0 Aliphatic C5-C8 1 08/04/23 00:22 V36175TBL <25.8 µg/L 25.8 50.0Aliphatic C9-C12 1 08/04/23 00:22 V36175TBL <4.02 µg/L 4.02 50.0Aromatic C9-C10 1 08/04/23 00:22 V36175TBL MADEP-VPHSurrogate: 2,5-Dibromotoluene (FID)101 Limits: 70-130%08/04/23 00:221 TBL MADEP-VPHSurrogate: 2,5-Dibromotoluene (PID)111 Limits: 70-130%08/04/23 00:221 TBL Qualifiers/ Definitions Analyte detected in blankBOutside QC Limit* Estimated valueJDilution FactorDF Method Quantitation LimitMQLMinimum valueM Page 16 of 60 , REPORT OF ANALYSISReport Number : Project Information : NC 28273 23-215-0001 00012 CES Group 3525 Whitehall Park Dr. Suite 150 Greg Hans Charlotte Angela D Overcash Senior Project Manager Received : 08/02/2023 Exprezit #503 Report Date : 08/10/2023 Sample ID : Lab No : Sampled:MW10 91379 Matrix: 8/2/2023 11:30 Aqueous Test Results Units MDL MQL By Analytical Method Date / Time Analyzed DF <0.002 mg/L 0.002 0.006Lead 1 08/09/23 20:20 6010DJKC Qualifiers/ Definitions Analyte detected in blankBOutside QC Limit* Estimated valueJDilution FactorDF Method Quantitation LimitMQLMinimum valueM Page 17 of 60 , REPORT OF ANALYSISReport Number : Project Information : NC 28273 23-215-0001 00012 CES Group 3525 Whitehall Park Dr. Suite 150 Greg Hans Charlotte Angela D Overcash Senior Project Manager Received : 08/02/2023 Exprezit #503 Report Date : 08/10/2023 Sample ID : Lab No : Sampled:MW10 91379 Matrix: 8/2/2023 11:30 Aqueous Analytical Method: Prep Method: Test Results Units MDL MQL By Analytical Batch Date / Time Analyzed DF 6200 PT 6200B Prep Batch(es):V36261 08/03/23 14:00 <1.80 µg/L 1.80 10.0Acetone 1 08/04/23 11:47 V36262MSA <0.180 µg/L 0.180 0.500Benzene 1 08/04/23 11:47 V36262MSA <0.210 µg/L 0.210 0.500Bromobenzene 1 08/04/23 11:47 V36262MSA <0.420 µg/L 0.420 1.00Bromochloromethane 1 08/04/23 11:47 V36262MSA <0.160 µg/L 0.160 0.500Bromodichloromethane 1 08/04/23 11:47 V36262MSA <1.50 µg/L 1.50 5.00Bromoform 1 08/04/23 11:47 V36262MSA <0.280 µg/L 0.280 1.00Bromomethane 1 08/04/23 11:47 V36262MSA <0.180 µg/L 0.180 0.500n-Butylbenzene 1 08/04/23 11:47 V36262MSA <0.200 µg/L 0.200 0.500 sec-Butyl benzene 1 08/04/23 11:47 V36262MSA <0.920 µg/L 0.920 2.00tert-Butyl benzene 1 08/04/23 11:47 V36262MSA <0.180 µg/L 0.180 0.500Carbon Tetrachloride 1 08/04/23 11:47 V36262MSA <0.190 µg/L 0.190 0.500Chlorobenzene 1 08/04/23 11:47 V36262MSA <0.190 µg/L 0.190 0.500Chlorodibromomethane 1 08/04/23 11:47 V36262MSA <0.430 µg/L 0.430 1.00Chloroethane 1 08/04/23 11:47 V36262MSA <0.220 µg/L 0.220 0.500Chloroform 1 08/04/23 11:47 V36262MSA <0.220 µg/L 0.220 0.500 Chloromethane 1 08/04/23 11:47 V36262MSA <0.200 µg/L 0.200 0.5002-Chlorotoluene 1 08/04/23 11:47 V36262MSA <0.200 µg/L 0.200 0.5004-Chlorotoluene 1 08/04/23 11:47 V36262MSA <0.500 µg/L 0.500 0.500Di-Isopropyl Ether (DIPE)1 08/04/23 11:47 V36262MSA <1.10 µg/L 1.10 2.001,2-Dibromo-3-Chloropropane 1 08/04/23 11:47 V36262MSA <0.200 µg/L 0.200 0.5001,2-Dibromoethane 1 08/04/23 11:47 V36262MSA <0.230 µg/L 0.230 0.500Dibromomethane 1 08/04/23 11:47 V36262MSA Qualifiers/ Definitions Analyte detected in blankBOutside QC Limit* Estimated valueJDilution FactorDF Method Quantitation LimitMQLMinimum valueM Page 18 of 60 , REPORT OF ANALYSISReport Number : Project Information : NC 28273 23-215-0001 00012 CES Group 3525 Whitehall Park Dr. Suite 150 Greg Hans Charlotte Angela D Overcash Senior Project Manager Received : 08/02/2023 Exprezit #503 Report Date : 08/10/2023 Sample ID : Lab No : Sampled:MW10 91379 Matrix: 8/2/2023 11:30 Aqueous Analytical Method: Prep Method: Test Results Units MDL MQL By Analytical Batch Date / Time Analyzed DF 6200 PT 6200B Prep Batch(es):V36261 08/03/23 14:00 <0.220 µg/L 0.220 0.5001,2-Dichlorobenzene 1 08/04/23 11:47 V36262MSA <0.190 µg/L 0.190 0.5001,3-Dichlorobenzene 1 08/04/23 11:47 V36262MSA <0.210 µg/L 0.210 0.5001,4-Dichlorobenzene 1 08/04/23 11:47 V36262MSA <1.20 µg/L 1.20 5.00Dichlorodifluoromethane 1 08/04/23 11:47 V36262MSA <0.240 µg/L 0.240 0.5001,1-Dichloroethane 1 08/04/23 11:47 V36262MSA <0.150 µg/L 0.150 0.5001,2-Dichloroethane 1 08/04/23 11:47 V36262MSA <0.150 µg/L 0.150 0.5001,1-Dichloroethene 1 08/04/23 11:47 V36262MSA <0.200 µg/L 0.200 0.500cis-1,2-Dichloroethene 1 08/04/23 11:47 V36262MSA <0.180 µg/L 0.180 0.500 trans-1,2-Dichloroethene 1 08/04/23 11:47 V36262MSA <0.190 µg/L 0.190 0.5001,2-Dichloropropane 1 08/04/23 11:47 V36262MSA <0.130 µg/L 0.130 0.5001,3-Dichloropropane 1 08/04/23 11:47 V36262MSA <0.210 M µg/L 0.210 2.002,2-Dichloropropane 1 08/04/23 11:47 V36262MSA <0.200 µg/L 0.200 0.5001,1-Dichloropropene 1 08/04/23 11:47 V36262MSA <0.210 µg/L 0.210 0.500cis-1,3-Dichloropropene 1 08/04/23 11:47 V36262MSA <0.150 µg/L 0.150 0.500trans-1,3-Dichloropropene 1 08/04/23 11:47 V36262MSA <42.0 µg/L 42.0 200 Ethanol 1 08/04/23 11:47 V36262MSA <0.170 µg/L 0.170 0.500Ethylbenzene 1 08/04/23 11:47 V36262MSA <0.350 µg/L 0.350 3.00Hexachlorobutadiene 1 08/04/23 11:47 V36262MSA <0.380 µg/L 0.380 1.002-Hexanone 1 08/04/23 11:47 V36262MSA <0.180 µg/L 0.180 0.500Isopropylbenzene 1 08/04/23 11:47 V36262MSA <0.089 µg/L 0.089 0.5004-Isopropyl toluene 1 08/04/23 11:47 V36262MSA <0.710 µg/L 0.710 5.00Methyl Ethyl Ketone (MEK)1 08/04/23 11:47 V36262MSA Qualifiers/ Definitions Analyte detected in blankBOutside QC Limit* Estimated valueJDilution FactorDF Method Quantitation LimitMQLMinimum valueM Page 19 of 60 , REPORT OF ANALYSISReport Number : Project Information : NC 28273 23-215-0001 00012 CES Group 3525 Whitehall Park Dr. Suite 150 Greg Hans Charlotte Angela D Overcash Senior Project Manager Received : 08/02/2023 Exprezit #503 Report Date : 08/10/2023 Sample ID : Lab No : Sampled:MW10 91379 Matrix: 8/2/2023 11:30 Aqueous Analytical Method: Prep Method: Test Results Units MDL MQL By Analytical Batch Date / Time Analyzed DF 6200 PT 6200B Prep Batch(es):V36261 08/03/23 14:00 13.8 µg/L 0.140 1.00Methyl tert-butyl ether (MTBE)1 08/04/23 11:47 V36262MSA <0.078 µg/L 0.078 1.004-Methyl-2-Pentanone 1 08/04/23 11:47 V36262MSA <0.330 µg/L 0.330 2.00Methylene Chloride 1 08/04/23 11:47 V36262MSA <0.470 µg/L 0.470 1.00Naphthalene 1 08/04/23 11:47 V36262MSA <0.190 µg/L 0.190 0.500n-Propylbenzene 1 08/04/23 11:47 V36262MSA <0.220 µg/L 0.220 0.500Styrene 1 08/04/23 11:47 V36262MSA <0.160 µg/L 0.160 0.5001,1,1,2-Tetrachloroethane 1 08/04/23 11:47 V36262MSA <0.160 µg/L 0.160 0.5001,1,2,2-Tetrachloroethane 1 08/04/23 11:47 V36262MSA <0.220 µg/L 0.220 0.500 Tetrachloroethene 1 08/04/23 11:47 V36262MSA <0.220 µg/L 0.220 0.500Toluene 1 08/04/23 11:47 V36262MSA <0.380 µg/L 0.380 0.5001,2,3-Trichlorobenzene 1 08/04/23 11:47 V36262MSA <0.310 µg/L 0.310 0.5001,2,4-Trichlorobenzene 1 08/04/23 11:47 V36262MSA <0.160 µg/L 0.160 0.5001,1,1-Trichloroethane 1 08/04/23 11:47 V36262MSA <0.096 µg/L 0.096 0.5001,1,2-Trichloroethane 1 08/04/23 11:47 V36262MSA <0.180 µg/L 0.180 0.500Trichloroethene 1 08/04/23 11:47 V36262MSA <0.180 µg/L 0.180 0.500 Trichlorofluoromethane 1 08/04/23 11:47 V36262MSA <0.270 µg/L 0.270 0.5001,2,3-Trichloropropane 1 08/04/23 11:47 V36262MSA <0.190 µg/L 0.190 0.5001,2,4-Trimethylbenzene 1 08/04/23 11:47 V36262MSA 0.234 J µg/L 0.180 0.5001,3,5-Trimethylbenzene 1 08/04/23 11:47 V36262MSA <1.00 µg/L 1.00 5.00Vinyl Acetate 1 08/04/23 11:47 V36262MSA <0.170 µg/L 0.170 0.500Vinyl Chloride 1 08/04/23 11:47 V36262MSA <0.210 µg/L 0.210 0.500o-Xylene 1 08/04/23 11:47 V36262MSA Qualifiers/ Definitions Analyte detected in blankBOutside QC Limit* Estimated valueJDilution FactorDF Method Quantitation LimitMQLMinimum valueM Page 20 of 60 , REPORT OF ANALYSISReport Number : Project Information : NC 28273 23-215-0001 00012 CES Group 3525 Whitehall Park Dr. Suite 150 Greg Hans Charlotte Angela D Overcash Senior Project Manager Received : 08/02/2023 Exprezit #503 Report Date : 08/10/2023 Sample ID : Lab No : Sampled:MW10 91379 Matrix: 8/2/2023 11:30 Aqueous Analytical Method: Prep Method: Test Results Units MDL MQL By Analytical Batch Date / Time Analyzed DF 6200 PT 6200B Prep Batch(es):V36261 08/03/23 14:00 <0.420 µg/L 0.420 1.00m,p-Xylene 1 08/04/23 11:47 V36262MSA <0.21 µg/L 0.210 0.500Xylene (Total)1 08/04/23 11:47 V36262 Surrogate: 4-Bromofluorobenzene 93.8 Limits: 70-130%08/04/23 11:471 MSA V36262 Surrogate: Dibromofluoromethane 97.0 Limits: 70-130%08/04/23 11:471 MSA V36262 Surrogate: 1,2-Dichloroethane - d4 91.0 Limits: 70-130%08/04/23 11:471 MSA V36262 Surrogate: Toluene-d8 111 Limits: 70-130%08/04/23 11:471 MSA V36262 Qualifiers/ Definitions Analyte detected in blankBOutside QC Limit* Estimated valueJDilution FactorDF Method Quantitation LimitMQLMinimum valueM Page 21 of 60 , REPORT OF ANALYSISReport Number : Project Information : NC 28273 23-215-0001 00012 CES Group 3525 Whitehall Park Dr. Suite 150 Greg Hans Charlotte Angela D Overcash Senior Project Manager Received : 08/02/2023 Exprezit #503 Report Date : 08/10/2023 Sample ID : Lab No : Sampled:MW10 91379 Matrix: 8/2/2023 11:30 Aqueous Analytical Method: Prep Method: Test Results Units MDL MQL By Analytical Batch Date / Time Analyzed DF MAEPH (Prep) MADEP-EPH Prep Batch(es):V36328 08/08/23 10:37 35.0 JB µg/L 28.2 350Aliphatic C9-C18 1 08/09/23 02:11 V36386NDL <124 µg/L 124 500Aliphatic C19-C36 1 08/09/23 02:11 V36386NDL <61.2 µg/L 61.2 250Aromatic C11-C22 1 08/09/23 02:11 V36386NDL MADEP-EPHSurrogate: 2-Bromonaphthalene 95.3 Limits: 40-140%08/09/23 02:111 NDL MADEP-EPHSurrogate: Chlorooctadecane 6.85 *Limits: 40-140%08/09/23 02:111 NDL MADEP-EPHSurrogate: OTP Surrogate 2.91 *Limits: 40-140%08/09/23 02:111 NDL Surrogate: 2-Fluorobiphenyl 93.8 Limits: 40-140%08/09/23 02:111 NDL V36386 Analytical Method: Prep Method: Test Results Units MDL MQL By Analytical Batch Date / Time Analyzed DF MAVPH (Prep) MADEP-VPH Prep Batch(es):V36174 08/03/23 08:00 <11.5 µg/L 11.5 50.0 Aliphatic C5-C8 1 08/04/23 00:45 V36175TBL <25.8 µg/L 25.8 50.0Aliphatic C9-C12 1 08/04/23 00:45 V36175TBL <4.02 µg/L 4.02 50.0Aromatic C9-C10 1 08/04/23 00:45 V36175TBL MADEP-VPHSurrogate: 2,5-Dibromotoluene (FID)102 Limits: 70-130%08/04/23 00:451 TBL MADEP-VPHSurrogate: 2,5-Dibromotoluene (PID)95.5 Limits: 70-130%08/04/23 00:451 TBL Qualifiers/ Definitions Analyte detected in blankBOutside QC Limit* Estimated valueJDilution FactorDF Method Quantitation LimitMQLMinimum valueM Page 22 of 60 , REPORT OF ANALYSISReport Number : Project Information : NC 28273 23-215-0001 00012 CES Group 3525 Whitehall Park Dr. Suite 150 Greg Hans Charlotte Angela D Overcash Senior Project Manager Received : 08/02/2023 Exprezit #503 Report Date : 08/10/2023 Sample ID : Lab No : Sampled:MW7 91380 Matrix: 8/2/2023 13:10 Aqueous Analytical Method: Prep Method: Test Results Units MDL MQL By Analytical Batch Date / Time Analyzed DF 6200 PT 6200B Prep Batch(es):V36261 08/03/23 14:00 <1.80 µg/L 1.80 10.0Acetone 1 08/04/23 12:12 V36262MSA <0.180 µg/L 0.180 0.500Benzene 1 08/04/23 12:12 V36262MSA <0.210 µg/L 0.210 0.500Bromobenzene 1 08/04/23 12:12 V36262MSA <0.420 µg/L 0.420 1.00Bromochloromethane 1 08/04/23 12:12 V36262MSA <0.160 µg/L 0.160 0.500Bromodichloromethane 1 08/04/23 12:12 V36262MSA <1.50 µg/L 1.50 5.00Bromoform 1 08/04/23 12:12 V36262MSA <0.280 µg/L 0.280 1.00Bromomethane 1 08/04/23 12:12 V36262MSA <0.180 µg/L 0.180 0.500n-Butylbenzene 1 08/04/23 12:12 V36262MSA <0.200 µg/L 0.200 0.500 sec-Butyl benzene 1 08/04/23 12:12 V36262MSA <0.920 µg/L 0.920 2.00tert-Butyl benzene 1 08/04/23 12:12 V36262MSA <0.180 µg/L 0.180 0.500Carbon Tetrachloride 1 08/04/23 12:12 V36262MSA <0.190 µg/L 0.190 0.500Chlorobenzene 1 08/04/23 12:12 V36262MSA <0.190 µg/L 0.190 0.500Chlorodibromomethane 1 08/04/23 12:12 V36262MSA <0.430 µg/L 0.430 1.00Chloroethane 1 08/04/23 12:12 V36262MSA <0.220 µg/L 0.220 0.500Chloroform 1 08/04/23 12:12 V36262MSA <0.220 µg/L 0.220 0.500 Chloromethane 1 08/04/23 12:12 V36262MSA <0.200 µg/L 0.200 0.5002-Chlorotoluene 1 08/04/23 12:12 V36262MSA <0.200 µg/L 0.200 0.5004-Chlorotoluene 1 08/04/23 12:12 V36262MSA <0.500 µg/L 0.500 0.500Di-Isopropyl Ether (DIPE)1 08/04/23 12:12 V36262MSA <1.10 µg/L 1.10 2.001,2-Dibromo-3-Chloropropane 1 08/04/23 12:12 V36262MSA <0.200 µg/L 0.200 0.5001,2-Dibromoethane 1 08/04/23 12:12 V36262MSA <0.230 µg/L 0.230 0.500Dibromomethane 1 08/04/23 12:12 V36262MSA Qualifiers/ Definitions Analyte detected in blankBOutside QC Limit* Estimated valueJDilution FactorDF Method Quantitation LimitMQLMinimum valueM Page 23 of 60 , REPORT OF ANALYSISReport Number : Project Information : NC 28273 23-215-0001 00012 CES Group 3525 Whitehall Park Dr. Suite 150 Greg Hans Charlotte Angela D Overcash Senior Project Manager Received : 08/02/2023 Exprezit #503 Report Date : 08/10/2023 Sample ID : Lab No : Sampled:MW7 91380 Matrix: 8/2/2023 13:10 Aqueous Analytical Method: Prep Method: Test Results Units MDL MQL By Analytical Batch Date / Time Analyzed DF 6200 PT 6200B Prep Batch(es):V36261 08/03/23 14:00 <0.220 µg/L 0.220 0.5001,2-Dichlorobenzene 1 08/04/23 12:12 V36262MSA <0.190 µg/L 0.190 0.5001,3-Dichlorobenzene 1 08/04/23 12:12 V36262MSA <0.210 µg/L 0.210 0.5001,4-Dichlorobenzene 1 08/04/23 12:12 V36262MSA <1.20 µg/L 1.20 5.00Dichlorodifluoromethane 1 08/04/23 12:12 V36262MSA <0.240 µg/L 0.240 0.5001,1-Dichloroethane 1 08/04/23 12:12 V36262MSA <0.150 µg/L 0.150 0.5001,2-Dichloroethane 1 08/04/23 12:12 V36262MSA <0.150 µg/L 0.150 0.5001,1-Dichloroethene 1 08/04/23 12:12 V36262MSA <0.200 µg/L 0.200 0.500cis-1,2-Dichloroethene 1 08/04/23 12:12 V36262MSA <0.180 µg/L 0.180 0.500 trans-1,2-Dichloroethene 1 08/04/23 12:12 V36262MSA <0.190 µg/L 0.190 0.5001,2-Dichloropropane 1 08/04/23 12:12 V36262MSA <0.130 µg/L 0.130 0.5001,3-Dichloropropane 1 08/04/23 12:12 V36262MSA <0.210 M µg/L 0.210 2.002,2-Dichloropropane 1 08/04/23 12:12 V36262MSA <0.200 µg/L 0.200 0.5001,1-Dichloropropene 1 08/04/23 12:12 V36262MSA <0.210 µg/L 0.210 0.500cis-1,3-Dichloropropene 1 08/04/23 12:12 V36262MSA <0.150 µg/L 0.150 0.500trans-1,3-Dichloropropene 1 08/04/23 12:12 V36262MSA <42.0 µg/L 42.0 200 Ethanol 1 08/04/23 12:12 V36262MSA <0.170 µg/L 0.170 0.500Ethylbenzene 1 08/04/23 12:12 V36262MSA <0.350 µg/L 0.350 3.00Hexachlorobutadiene 1 08/04/23 12:12 V36262MSA <0.380 µg/L 0.380 1.002-Hexanone 1 08/04/23 12:12 V36262MSA <0.180 µg/L 0.180 0.500Isopropylbenzene 1 08/04/23 12:12 V36262MSA <0.089 µg/L 0.089 0.5004-Isopropyl toluene 1 08/04/23 12:12 V36262MSA <0.710 µg/L 0.710 5.00Methyl Ethyl Ketone (MEK)1 08/04/23 12:12 V36262MSA Qualifiers/ Definitions Analyte detected in blankBOutside QC Limit* Estimated valueJDilution FactorDF Method Quantitation LimitMQLMinimum valueM Page 24 of 60 , REPORT OF ANALYSISReport Number : Project Information : NC 28273 23-215-0001 00012 CES Group 3525 Whitehall Park Dr. Suite 150 Greg Hans Charlotte Angela D Overcash Senior Project Manager Received : 08/02/2023 Exprezit #503 Report Date : 08/10/2023 Sample ID : Lab No : Sampled:MW7 91380 Matrix: 8/2/2023 13:10 Aqueous Analytical Method: Prep Method: Test Results Units MDL MQL By Analytical Batch Date / Time Analyzed DF 6200 PT 6200B Prep Batch(es):V36261 08/03/23 14:00 <0.140 µg/L 0.140 1.00Methyl tert-butyl ether (MTBE)1 08/04/23 12:12 V36262MSA <0.078 µg/L 0.078 1.004-Methyl-2-Pentanone 1 08/04/23 12:12 V36262MSA <0.330 µg/L 0.330 2.00Methylene Chloride 1 08/04/23 12:12 V36262MSA <0.470 µg/L 0.470 1.00Naphthalene 1 08/04/23 12:12 V36262MSA <0.190 µg/L 0.190 0.500n-Propylbenzene 1 08/04/23 12:12 V36262MSA <0.220 µg/L 0.220 0.500Styrene 1 08/04/23 12:12 V36262MSA <0.160 µg/L 0.160 0.5001,1,1,2-Tetrachloroethane 1 08/04/23 12:12 V36262MSA <0.160 µg/L 0.160 0.5001,1,2,2-Tetrachloroethane 1 08/04/23 12:12 V36262MSA <0.220 µg/L 0.220 0.500 Tetrachloroethene 1 08/04/23 12:12 V36262MSA <0.220 µg/L 0.220 0.500Toluene 1 08/04/23 12:12 V36262MSA <0.380 µg/L 0.380 0.5001,2,3-Trichlorobenzene 1 08/04/23 12:12 V36262MSA <0.310 µg/L 0.310 0.5001,2,4-Trichlorobenzene 1 08/04/23 12:12 V36262MSA <0.160 µg/L 0.160 0.5001,1,1-Trichloroethane 1 08/04/23 12:12 V36262MSA <0.096 µg/L 0.096 0.5001,1,2-Trichloroethane 1 08/04/23 12:12 V36262MSA <0.180 µg/L 0.180 0.500Trichloroethene 1 08/04/23 12:12 V36262MSA <0.180 µg/L 0.180 0.500 Trichlorofluoromethane 1 08/04/23 12:12 V36262MSA <0.270 µg/L 0.270 0.5001,2,3-Trichloropropane 1 08/04/23 12:12 V36262MSA <0.190 µg/L 0.190 0.5001,2,4-Trimethylbenzene 1 08/04/23 12:12 V36262MSA <0.180 µg/L 0.180 0.5001,3,5-Trimethylbenzene 1 08/04/23 12:12 V36262MSA <1.00 µg/L 1.00 5.00Vinyl Acetate 1 08/04/23 12:12 V36262MSA <0.170 µg/L 0.170 0.500Vinyl Chloride 1 08/04/23 12:12 V36262MSA <0.210 µg/L 0.210 0.500o-Xylene 1 08/04/23 12:12 V36262MSA Qualifiers/ Definitions Analyte detected in blankBOutside QC Limit* Estimated valueJDilution FactorDF Method Quantitation LimitMQLMinimum valueM Page 25 of 60 , REPORT OF ANALYSISReport Number : Project Information : NC 28273 23-215-0001 00012 CES Group 3525 Whitehall Park Dr. Suite 150 Greg Hans Charlotte Angela D Overcash Senior Project Manager Received : 08/02/2023 Exprezit #503 Report Date : 08/10/2023 Sample ID : Lab No : Sampled:MW7 91380 Matrix: 8/2/2023 13:10 Aqueous Analytical Method: Prep Method: Test Results Units MDL MQL By Analytical Batch Date / Time Analyzed DF 6200 PT 6200B Prep Batch(es):V36261 08/03/23 14:00 <0.420 µg/L 0.420 1.00m,p-Xylene 1 08/04/23 12:12 V36262MSA <0.21 µg/L 0.210 0.500Xylene (Total)1 08/04/23 12:12 V36262 Surrogate: 4-Bromofluorobenzene 92.6 Limits: 70-130%08/04/23 12:121 MSA V36262 Surrogate: Dibromofluoromethane 96.2 Limits: 70-130%08/04/23 12:121 MSA V36262 Surrogate: 1,2-Dichloroethane - d4 90.6 Limits: 70-130%08/04/23 12:121 MSA V36262 Surrogate: Toluene-d8 111 Limits: 70-130%08/04/23 12:121 MSA V36262 Qualifiers/ Definitions Analyte detected in blankBOutside QC Limit* Estimated valueJDilution FactorDF Method Quantitation LimitMQLMinimum valueM Page 26 of 60 , REPORT OF ANALYSISReport Number : Project Information : NC 28273 23-215-0001 00012 CES Group 3525 Whitehall Park Dr. Suite 150 Greg Hans Charlotte Angela D Overcash Senior Project Manager Received : 08/02/2023 Exprezit #503 Report Date : 08/10/2023 Sample ID : Lab No : Sampled:MW7 91380 Matrix: 8/2/2023 13:10 Aqueous Analytical Method: Prep Method: Test Results Units MDL MQL By Analytical Batch Date / Time Analyzed DF MAEPH (Prep) MADEP-EPH Prep Batch(es):V36328 08/08/23 10:37 30.4 JB µg/L 28.2 350Aliphatic C9-C18 1 08/09/23 02:47 V36386NDL <124 µg/L 124 500Aliphatic C19-C36 1 08/09/23 02:47 V36386NDL <61.2 µg/L 61.2 250Aromatic C11-C22 1 08/09/23 02:47 V36386NDL MADEP-EPHSurrogate: 2-Bromonaphthalene 101 Limits: 40-140%08/09/23 02:471 NDL MADEP-EPHSurrogate: Chlorooctadecane 51.1 Limits: 40-140%08/09/23 02:471 NDL MADEP-EPHSurrogate: OTP Surrogate 62.3 Limits: 40-140%08/09/23 02:471 NDL Surrogate: 2-Fluorobiphenyl 100 Limits: 40-140%08/09/23 02:471 NDL V36386 Analytical Method: Prep Method: Test Results Units MDL MQL By Analytical Batch Date / Time Analyzed DF MAVPH (Prep) MADEP-VPH Prep Batch(es):V36174 08/03/23 08:00 <11.5 µg/L 11.5 50.0 Aliphatic C5-C8 1 08/04/23 01:09 V36175TBL <25.8 µg/L 25.8 50.0Aliphatic C9-C12 1 08/04/23 01:09 V36175TBL <4.02 µg/L 4.02 50.0Aromatic C9-C10 1 08/04/23 01:09 V36175TBL MADEP-VPHSurrogate: 2,5-Dibromotoluene (FID)101 Limits: 70-130%08/04/23 01:091 TBL MADEP-VPHSurrogate: 2,5-Dibromotoluene (PID)95.9 Limits: 70-130%08/04/23 01:091 TBL Qualifiers/ Definitions Analyte detected in blankBOutside QC Limit* Estimated valueJDilution FactorDF Method Quantitation LimitMQLMinimum valueM Page 27 of 60 , REPORT OF ANALYSISReport Number : Project Information : NC 28273 23-215-0001 00012 CES Group 3525 Whitehall Park Dr. Suite 150 Greg Hans Charlotte Angela D Overcash Senior Project Manager Received : 08/02/2023 Exprezit #503 Report Date : 08/10/2023 Sample ID : Lab No : Sampled:MW23 91381 Matrix: 8/2/2023 10:20 Aqueous Analytical Method: Prep Method: Test Results Units MDL MQL By Analytical Batch Date / Time Analyzed DF 6200 PT 6200B Prep Batch(es):V36261 08/03/23 14:00 <1.80 µg/L 1.80 10.0Acetone 1 08/04/23 12:37 V36262MSA <0.180 µg/L 0.180 0.500Benzene 1 08/04/23 12:37 V36262MSA <0.210 µg/L 0.210 0.500Bromobenzene 1 08/04/23 12:37 V36262MSA <0.420 µg/L 0.420 1.00Bromochloromethane 1 08/04/23 12:37 V36262MSA <0.160 µg/L 0.160 0.500Bromodichloromethane 1 08/04/23 12:37 V36262MSA <1.50 µg/L 1.50 5.00Bromoform 1 08/04/23 12:37 V36262MSA <0.280 µg/L 0.280 1.00Bromomethane 1 08/04/23 12:37 V36262MSA <0.180 µg/L 0.180 0.500n-Butylbenzene 1 08/04/23 12:37 V36262MSA <0.200 µg/L 0.200 0.500 sec-Butyl benzene 1 08/04/23 12:37 V36262MSA <0.920 µg/L 0.920 2.00tert-Butyl benzene 1 08/04/23 12:37 V36262MSA <0.180 µg/L 0.180 0.500Carbon Tetrachloride 1 08/04/23 12:37 V36262MSA <0.190 µg/L 0.190 0.500Chlorobenzene 1 08/04/23 12:37 V36262MSA <0.190 µg/L 0.190 0.500Chlorodibromomethane 1 08/04/23 12:37 V36262MSA <0.430 µg/L 0.430 1.00Chloroethane 1 08/04/23 12:37 V36262MSA <0.220 µg/L 0.220 0.500Chloroform 1 08/04/23 12:37 V36262MSA <0.220 µg/L 0.220 0.500 Chloromethane 1 08/04/23 12:37 V36262MSA <0.200 µg/L 0.200 0.5002-Chlorotoluene 1 08/04/23 12:37 V36262MSA <0.200 µg/L 0.200 0.5004-Chlorotoluene 1 08/04/23 12:37 V36262MSA <0.500 µg/L 0.500 0.500Di-Isopropyl Ether (DIPE)1 08/04/23 12:37 V36262MSA <1.10 µg/L 1.10 2.001,2-Dibromo-3-Chloropropane 1 08/04/23 12:37 V36262MSA <0.200 µg/L 0.200 0.5001,2-Dibromoethane 1 08/04/23 12:37 V36262MSA <0.230 µg/L 0.230 0.500Dibromomethane 1 08/04/23 12:37 V36262MSA Qualifiers/ Definitions Analyte detected in blankBOutside QC Limit* Estimated valueJDilution FactorDF Method Quantitation LimitMQLMinimum valueM Page 28 of 60 , REPORT OF ANALYSISReport Number : Project Information : NC 28273 23-215-0001 00012 CES Group 3525 Whitehall Park Dr. Suite 150 Greg Hans Charlotte Angela D Overcash Senior Project Manager Received : 08/02/2023 Exprezit #503 Report Date : 08/10/2023 Sample ID : Lab No : Sampled:MW23 91381 Matrix: 8/2/2023 10:20 Aqueous Analytical Method: Prep Method: Test Results Units MDL MQL By Analytical Batch Date / Time Analyzed DF 6200 PT 6200B Prep Batch(es):V36261 08/03/23 14:00 <0.220 µg/L 0.220 0.5001,2-Dichlorobenzene 1 08/04/23 12:37 V36262MSA <0.190 µg/L 0.190 0.5001,3-Dichlorobenzene 1 08/04/23 12:37 V36262MSA <0.210 µg/L 0.210 0.5001,4-Dichlorobenzene 1 08/04/23 12:37 V36262MSA <1.20 µg/L 1.20 5.00Dichlorodifluoromethane 1 08/04/23 12:37 V36262MSA <0.240 µg/L 0.240 0.5001,1-Dichloroethane 1 08/04/23 12:37 V36262MSA <0.150 µg/L 0.150 0.5001,2-Dichloroethane 1 08/04/23 12:37 V36262MSA <0.150 µg/L 0.150 0.5001,1-Dichloroethene 1 08/04/23 12:37 V36262MSA <0.200 µg/L 0.200 0.500cis-1,2-Dichloroethene 1 08/04/23 12:37 V36262MSA <0.180 µg/L 0.180 0.500 trans-1,2-Dichloroethene 1 08/04/23 12:37 V36262MSA <0.190 µg/L 0.190 0.5001,2-Dichloropropane 1 08/04/23 12:37 V36262MSA <0.130 µg/L 0.130 0.5001,3-Dichloropropane 1 08/04/23 12:37 V36262MSA <0.210 M µg/L 0.210 2.002,2-Dichloropropane 1 08/04/23 12:37 V36262MSA <0.200 µg/L 0.200 0.5001,1-Dichloropropene 1 08/04/23 12:37 V36262MSA <0.210 µg/L 0.210 0.500cis-1,3-Dichloropropene 1 08/04/23 12:37 V36262MSA <0.150 µg/L 0.150 0.500trans-1,3-Dichloropropene 1 08/04/23 12:37 V36262MSA <42.0 µg/L 42.0 200 Ethanol 1 08/04/23 12:37 V36262MSA <0.170 µg/L 0.170 0.500Ethylbenzene 1 08/04/23 12:37 V36262MSA <0.350 µg/L 0.350 3.00Hexachlorobutadiene 1 08/04/23 12:37 V36262MSA <0.380 µg/L 0.380 1.002-Hexanone 1 08/04/23 12:37 V36262MSA <0.180 µg/L 0.180 0.500Isopropylbenzene 1 08/04/23 12:37 V36262MSA <0.089 µg/L 0.089 0.5004-Isopropyl toluene 1 08/04/23 12:37 V36262MSA <0.710 µg/L 0.710 5.00Methyl Ethyl Ketone (MEK)1 08/04/23 12:37 V36262MSA Qualifiers/ Definitions Analyte detected in blankBOutside QC Limit* Estimated valueJDilution FactorDF Method Quantitation LimitMQLMinimum valueM Page 29 of 60 , REPORT OF ANALYSISReport Number : Project Information : NC 28273 23-215-0001 00012 CES Group 3525 Whitehall Park Dr. Suite 150 Greg Hans Charlotte Angela D Overcash Senior Project Manager Received : 08/02/2023 Exprezit #503 Report Date : 08/10/2023 Sample ID : Lab No : Sampled:MW23 91381 Matrix: 8/2/2023 10:20 Aqueous Analytical Method: Prep Method: Test Results Units MDL MQL By Analytical Batch Date / Time Analyzed DF 6200 PT 6200B Prep Batch(es):V36261 08/03/23 14:00 16.8 µg/L 0.140 1.00Methyl tert-butyl ether (MTBE)1 08/04/23 12:37 V36262MSA <0.078 µg/L 0.078 1.004-Methyl-2-Pentanone 1 08/04/23 12:37 V36262MSA <0.330 µg/L 0.330 2.00Methylene Chloride 1 08/04/23 12:37 V36262MSA <0.470 µg/L 0.470 1.00Naphthalene 1 08/04/23 12:37 V36262MSA <0.190 µg/L 0.190 0.500n-Propylbenzene 1 08/04/23 12:37 V36262MSA <0.220 µg/L 0.220 0.500Styrene 1 08/04/23 12:37 V36262MSA <0.160 µg/L 0.160 0.5001,1,1,2-Tetrachloroethane 1 08/04/23 12:37 V36262MSA <0.160 µg/L 0.160 0.5001,1,2,2-Tetrachloroethane 1 08/04/23 12:37 V36262MSA <0.220 µg/L 0.220 0.500 Tetrachloroethene 1 08/04/23 12:37 V36262MSA <0.220 µg/L 0.220 0.500Toluene 1 08/04/23 12:37 V36262MSA <0.380 µg/L 0.380 0.5001,2,3-Trichlorobenzene 1 08/04/23 12:37 V36262MSA <0.310 µg/L 0.310 0.5001,2,4-Trichlorobenzene 1 08/04/23 12:37 V36262MSA <0.160 µg/L 0.160 0.5001,1,1-Trichloroethane 1 08/04/23 12:37 V36262MSA <0.096 µg/L 0.096 0.5001,1,2-Trichloroethane 1 08/04/23 12:37 V36262MSA <0.180 µg/L 0.180 0.500Trichloroethene 1 08/04/23 12:37 V36262MSA <0.180 µg/L 0.180 0.500 Trichlorofluoromethane 1 08/04/23 12:37 V36262MSA <0.270 µg/L 0.270 0.5001,2,3-Trichloropropane 1 08/04/23 12:37 V36262MSA <0.190 µg/L 0.190 0.5001,2,4-Trimethylbenzene 1 08/04/23 12:37 V36262MSA <0.180 µg/L 0.180 0.5001,3,5-Trimethylbenzene 1 08/04/23 12:37 V36262MSA <1.00 µg/L 1.00 5.00Vinyl Acetate 1 08/04/23 12:37 V36262MSA <0.170 µg/L 0.170 0.500Vinyl Chloride 1 08/04/23 12:37 V36262MSA <0.210 µg/L 0.210 0.500o-Xylene 1 08/04/23 12:37 V36262MSA Qualifiers/ Definitions Analyte detected in blankBOutside QC Limit* Estimated valueJDilution FactorDF Method Quantitation LimitMQLMinimum valueM Page 30 of 60 , REPORT OF ANALYSISReport Number : Project Information : NC 28273 23-215-0001 00012 CES Group 3525 Whitehall Park Dr. Suite 150 Greg Hans Charlotte Angela D Overcash Senior Project Manager Received : 08/02/2023 Exprezit #503 Report Date : 08/10/2023 Sample ID : Lab No : Sampled:MW23 91381 Matrix: 8/2/2023 10:20 Aqueous Analytical Method: Prep Method: Test Results Units MDL MQL By Analytical Batch Date / Time Analyzed DF 6200 PT 6200B Prep Batch(es):V36261 08/03/23 14:00 <0.420 µg/L 0.420 1.00m,p-Xylene 1 08/04/23 12:37 V36262MSA <0.21 µg/L 0.210 0.500Xylene (Total)1 08/04/23 12:37 V36262 Surrogate: 4-Bromofluorobenzene 93.2 Limits: 70-130%08/04/23 12:371 MSA V36262 Surrogate: Dibromofluoromethane 96.8 Limits: 70-130%08/04/23 12:371 MSA V36262 Surrogate: 1,2-Dichloroethane - d4 91.6 Limits: 70-130%08/04/23 12:371 MSA V36262 Surrogate: Toluene-d8 110 Limits: 70-130%08/04/23 12:371 MSA V36262 Qualifiers/ Definitions Analyte detected in blankBOutside QC Limit* Estimated valueJDilution FactorDF Method Quantitation LimitMQLMinimum valueM Page 31 of 60 , REPORT OF ANALYSISReport Number : Project Information : NC 28273 23-215-0001 00012 CES Group 3525 Whitehall Park Dr. Suite 150 Greg Hans Charlotte Angela D Overcash Senior Project Manager Received : 08/02/2023 Exprezit #503 Report Date : 08/10/2023 Sample ID : Lab No : Sampled:MW23 91381 Matrix: 8/2/2023 10:20 Aqueous Analytical Method: Prep Method: Test Results Units MDL MQL By Analytical Batch Date / Time Analyzed DF MAEPH (Prep) MADEP-EPH Prep Batch(es):V36328 08/08/23 10:37 36.4 JB µg/L 28.2 350Aliphatic C9-C18 1 08/09/23 03:23 V36386NDL <124 µg/L 124 500Aliphatic C19-C36 1 08/09/23 03:23 V36386NDL <61.2 µg/L 61.2 250Aromatic C11-C22 1 08/09/23 03:23 V36386NDL MADEP-EPHSurrogate: 2-Bromonaphthalene 89.0 Limits: 40-140%08/09/23 03:231 NDL MADEP-EPHSurrogate: Chlorooctadecane 61.4 Limits: 40-140%08/09/23 03:231 NDL MADEP-EPHSurrogate: OTP Surrogate 69.8 Limits: 40-140%08/09/23 03:231 NDL Surrogate: 2-Fluorobiphenyl 88.0 Limits: 40-140%08/09/23 03:231 NDL V36386 Analytical Method: Prep Method: Test Results Units MDL MQL By Analytical Batch Date / Time Analyzed DF MAVPH (Prep) MADEP-VPH Prep Batch(es):V36174 08/03/23 08:00 <11.5 µg/L 11.5 50.0 Aliphatic C5-C8 1 08/04/23 01:56 V36175TBL 29.2 J µg/L 25.8 50.0Aliphatic C9-C12 1 08/04/23 01:56 V36175TBL <4.02 µg/L 4.02 50.0Aromatic C9-C10 1 08/04/23 01:56 V36175TBL MADEP-VPHSurrogate: 2,5-Dibromotoluene (FID)108 Limits: 70-130%08/04/23 01:561 TBL MADEP-VPHSurrogate: 2,5-Dibromotoluene (PID)96.7 Limits: 70-130%08/04/23 01:561 TBL Qualifiers/ Definitions Analyte detected in blankBOutside QC Limit* Estimated valueJDilution FactorDF Method Quantitation LimitMQLMinimum valueM Page 32 of 60 , REPORT OF ANALYSISReport Number : Project Information : NC 28273 23-215-0001 00012 CES Group 3525 Whitehall Park Dr. Suite 150 Greg Hans Charlotte Angela D Overcash Senior Project Manager Received : 08/02/2023 Exprezit #503 Report Date : 08/10/2023 Sample ID : Lab No : Sampled:MW21 91382 Matrix: 8/2/2023 14:00 Aqueous Analytical Method: Prep Method: Test Results Units MDL MQL By Analytical Batch Date / Time Analyzed DF 6200 PT 6200B Prep Batch(es):V36245 08/03/23 14:00 <1.80 µg/L 1.80 10.0Acetone 1 08/04/23 08:17 V36246MSA 0.465 J µg/L 0.180 0.500Benzene 1 08/04/23 08:17 V36246MSA <0.210 µg/L 0.210 0.500Bromobenzene 1 08/04/23 08:17 V36246MSA <0.420 µg/L 0.420 1.00Bromochloromethane 1 08/04/23 08:17 V36246MSA <0.160 µg/L 0.160 0.500Bromodichloromethane 1 08/04/23 08:17 V36246MSA <1.50 µg/L 1.50 5.00Bromoform 1 08/04/23 08:17 V36246MSA <0.280 µg/L 0.280 1.00Bromomethane 1 08/04/23 08:17 V36246MSA 7.75 µg/L 0.180 0.500n-Butylbenzene 1 08/04/23 08:17 V36246MSA 3.31 µg/L 0.200 0.500 sec-Butyl benzene 1 08/04/23 08:17 V36246MSA <0.920 µg/L 0.920 2.00tert-Butyl benzene 1 08/04/23 08:17 V36246MSA <0.180 µg/L 0.180 0.500Carbon Tetrachloride 1 08/04/23 08:17 V36246MSA <0.190 µg/L 0.190 0.500Chlorobenzene 1 08/04/23 08:17 V36246MSA <0.190 µg/L 0.190 0.500Chlorodibromomethane 1 08/04/23 08:17 V36246MSA <0.430 µg/L 0.430 1.00Chloroethane 1 08/04/23 08:17 V36246MSA <0.220 µg/L 0.220 0.500Chloroform 1 08/04/23 08:17 V36246MSA <0.220 µg/L 0.220 0.500 Chloromethane 1 08/04/23 08:17 V36246MSA <0.200 µg/L 0.200 0.5002-Chlorotoluene 1 08/04/23 08:17 V36246MSA <0.200 µg/L 0.200 0.5004-Chlorotoluene 1 08/04/23 08:17 V36246MSA <0.500 µg/L 0.500 0.500Di-Isopropyl Ether (DIPE)1 08/04/23 08:17 V36246MSA <1.10 µg/L 1.10 2.001,2-Dibromo-3-Chloropropane 1 08/04/23 08:17 V36246MSA <0.200 µg/L 0.200 0.5001,2-Dibromoethane 1 08/04/23 08:17 V36246MSA <0.230 µg/L 0.230 0.500Dibromomethane 1 08/04/23 08:17 V36246MSA Qualifiers/ Definitions Analyte detected in blankBOutside QC Limit* Estimated valueJDilution FactorDF Method Quantitation LimitMQLMinimum valueM Page 33 of 60 , REPORT OF ANALYSISReport Number : Project Information : NC 28273 23-215-0001 00012 CES Group 3525 Whitehall Park Dr. Suite 150 Greg Hans Charlotte Angela D Overcash Senior Project Manager Received : 08/02/2023 Exprezit #503 Report Date : 08/10/2023 Sample ID : Lab No : Sampled:MW21 91382 Matrix: 8/2/2023 14:00 Aqueous Analytical Method: Prep Method: Test Results Units MDL MQL By Analytical Batch Date / Time Analyzed DF 6200 PT 6200B Prep Batch(es):V36245 08/03/23 14:00 <0.220 µg/L 0.220 0.5001,2-Dichlorobenzene 1 08/04/23 08:17 V36246MSA <0.190 µg/L 0.190 0.5001,3-Dichlorobenzene 1 08/04/23 08:17 V36246MSA <0.210 µg/L 0.210 0.5001,4-Dichlorobenzene 1 08/04/23 08:17 V36246MSA <1.20 µg/L 1.20 5.00Dichlorodifluoromethane 1 08/04/23 08:17 V36246MSA <0.240 µg/L 0.240 0.5001,1-Dichloroethane 1 08/04/23 08:17 V36246MSA <0.150 µg/L 0.150 0.5001,2-Dichloroethane 1 08/04/23 08:17 V36246MSA <0.150 µg/L 0.150 0.5001,1-Dichloroethene 1 08/04/23 08:17 V36246MSA <0.200 µg/L 0.200 0.500cis-1,2-Dichloroethene 1 08/04/23 08:17 V36246MSA <0.180 µg/L 0.180 0.500 trans-1,2-Dichloroethene 1 08/04/23 08:17 V36246MSA <0.190 µg/L 0.190 0.5001,2-Dichloropropane 1 08/04/23 08:17 V36246MSA <0.130 µg/L 0.130 0.5001,3-Dichloropropane 1 08/04/23 08:17 V36246MSA <0.210 µg/L 0.210 2.002,2-Dichloropropane 1 08/04/23 08:17 V36246MSA <0.200 µg/L 0.200 0.5001,1-Dichloropropene 1 08/04/23 08:17 V36246MSA <0.210 µg/L 0.210 0.500cis-1,3-Dichloropropene 1 08/04/23 08:17 V36246MSA <0.150 µg/L 0.150 0.500trans-1,3-Dichloropropene 1 08/04/23 08:17 V36246MSA <42.0 µg/L 42.0 200 Ethanol 1 08/04/23 08:17 V36246MSA 19.4 µg/L 0.170 0.500Ethylbenzene 1 08/04/23 08:17 V36246MSA <0.350 µg/L 0.350 3.00Hexachlorobutadiene 1 08/04/23 08:17 V36246MSA <0.380 µg/L 0.380 1.002-Hexanone 1 08/04/23 08:17 V36246MSA 12.6 µg/L 0.180 0.500Isopropylbenzene 1 08/04/23 08:17 V36246MSA 1.99 µg/L 0.089 0.5004-Isopropyl toluene 1 08/04/23 08:17 V36246MSA <0.710 µg/L 0.710 5.00Methyl Ethyl Ketone (MEK)1 08/04/23 08:17 V36246MSA Qualifiers/ Definitions Analyte detected in blankBOutside QC Limit* Estimated valueJDilution FactorDF Method Quantitation LimitMQLMinimum valueM Page 34 of 60 , REPORT OF ANALYSISReport Number : Project Information : NC 28273 23-215-0001 00012 CES Group 3525 Whitehall Park Dr. Suite 150 Greg Hans Charlotte Angela D Overcash Senior Project Manager Received : 08/02/2023 Exprezit #503 Report Date : 08/10/2023 Sample ID : Lab No : Sampled:MW21 91382 Matrix: 8/2/2023 14:00 Aqueous Analytical Method: Prep Method: Test Results Units MDL MQL By Analytical Batch Date / Time Analyzed DF 6200 PT 6200B Prep Batch(es):V36245 08/03/23 14:00 2.01 µg/L 0.140 1.00Methyl tert-butyl ether (MTBE)1 08/04/23 08:17 V36246MSA <0.078 µg/L 0.078 1.004-Methyl-2-Pentanone 1 08/04/23 08:17 V36246MSA 0.479 J µg/L 0.330 2.00Methylene Chloride 1 08/04/23 08:17 V36246MSA 41.8 µg/L 0.470 1.00Naphthalene 1 08/04/23 08:17 V36246MSA 16.9 µg/L 0.190 0.500n-Propylbenzene 1 08/04/23 08:17 V36246MSA <0.220 µg/L 0.220 0.500Styrene 1 08/04/23 08:17 V36246MSA <0.160 µg/L 0.160 0.5001,1,1,2-Tetrachloroethane 1 08/04/23 08:17 V36246MSA <0.160 µg/L 0.160 0.5001,1,2,2-Tetrachloroethane 1 08/04/23 08:17 V36246MSA <0.220 µg/L 0.220 0.500 Tetrachloroethene 1 08/04/23 08:17 V36246MSA 1.04 µg/L 0.220 0.500Toluene 1 08/04/23 08:17 V36246MSA <0.380 µg/L 0.380 0.5001,2,3-Trichlorobenzene 1 08/04/23 08:17 V36246MSA <0.310 µg/L 0.310 0.5001,2,4-Trichlorobenzene 1 08/04/23 08:17 V36246MSA <0.160 µg/L 0.160 0.5001,1,1-Trichloroethane 1 08/04/23 08:17 V36246MSA <0.096 µg/L 0.096 0.5001,1,2-Trichloroethane 1 08/04/23 08:17 V36246MSA <0.180 µg/L 0.180 0.500Trichloroethene 1 08/04/23 08:17 V36246MSA <0.180 µg/L 0.180 0.500 Trichlorofluoromethane 1 08/04/23 08:17 V36246MSA <0.270 µg/L 0.270 0.5001,2,3-Trichloropropane 1 08/04/23 08:17 V36246MSA 9.24 µg/L 0.190 0.5001,2,4-Trimethylbenzene 1 08/04/23 08:17 V36246MSA 14.9 µg/L 0.180 0.5001,3,5-Trimethylbenzene 1 08/04/23 08:17 V36246MSA <1.00 µg/L 1.00 5.00Vinyl Acetate 1 08/04/23 08:17 V36246MSA <0.170 µg/L 0.170 0.500Vinyl Chloride 1 08/04/23 08:17 V36246MSA 11.5 µg/L 0.210 0.500o-Xylene 1 08/04/23 08:17 V36246MSA Qualifiers/ Definitions Analyte detected in blankBOutside QC Limit* Estimated valueJDilution FactorDF Method Quantitation LimitMQLMinimum valueM Page 35 of 60 , REPORT OF ANALYSISReport Number : Project Information : NC 28273 23-215-0001 00012 CES Group 3525 Whitehall Park Dr. Suite 150 Greg Hans Charlotte Angela D Overcash Senior Project Manager Received : 08/02/2023 Exprezit #503 Report Date : 08/10/2023 Sample ID : Lab No : Sampled:MW21 91382 Matrix: 8/2/2023 14:00 Aqueous Analytical Method: Prep Method: Test Results Units MDL MQL By Analytical Batch Date / Time Analyzed DF 6200 PT 6200B Prep Batch(es):V36245 08/03/23 14:00 12.3 µg/L 0.420 1.00m,p-Xylene 1 08/04/23 08:17 V36246MSA 23.8 µg/L 0.210 0.500Xylene (Total)1 08/04/23 08:17 V36246 Surrogate: 4-Bromofluorobenzene 103 Limits: 70-130%08/04/23 08:171 MSA V36246 Surrogate: Dibromofluoromethane 99.2 Limits: 70-130%08/04/23 08:171 MSA V36246 Surrogate: 1,2-Dichloroethane - d4 97.2 Limits: 70-130%08/04/23 08:171 MSA V36246 Surrogate: Toluene-d8 95.6 Limits: 70-130%08/04/23 08:171 MSA V36246 Qualifiers/ Definitions Analyte detected in blankBOutside QC Limit* Estimated valueJDilution FactorDF Method Quantitation LimitMQLMinimum valueM Page 36 of 60 , REPORT OF ANALYSISReport Number : Project Information : NC 28273 23-215-0001 00012 CES Group 3525 Whitehall Park Dr. Suite 150 Greg Hans Charlotte Angela D Overcash Senior Project Manager Received : 08/02/2023 Exprezit #503 Report Date : 08/10/2023 Sample ID : Lab No : Sampled:MW21 91382 Matrix: 8/2/2023 14:00 Aqueous Analytical Method: Prep Method: Test Results Units MDL MQL By Analytical Batch Date / Time Analyzed DF MAEPH (Prep) MADEP-EPH Prep Batch(es):V36328 08/08/23 10:37 <28.2 µg/L 28.2 350Aliphatic C9-C18 1 08/09/23 04:00 V36386NDL <124 µg/L 124 500Aliphatic C19-C36 1 08/09/23 04:00 V36386NDL 222 J µg/L 61.2 250Aromatic C11-C22 1 08/09/23 04:00 V36386NDL MADEP-EPHSurrogate: 2-Bromonaphthalene 99.0 Limits: 40-140%08/09/23 04:001 NDL MADEP-EPHSurrogate: Chlorooctadecane 56.6 Limits: 40-140%08/09/23 04:001 NDL MADEP-EPHSurrogate: OTP Surrogate 64.4 Limits: 40-140%08/09/23 04:001 NDL Surrogate: 2-Fluorobiphenyl 99.5 Limits: 40-140%08/09/23 04:001 NDL V36386 Analytical Method: Prep Method: Test Results Units MDL MQL By Analytical Batch Date / Time Analyzed DF MAVPH (Prep) MADEP-VPH Prep Batch(es):V36174 08/03/23 08:00 1530 µg/L 11.5 50.0 Aliphatic C5-C8 1 08/04/23 02:20 V36175TBL 602 µg/L 25.8 50.0Aliphatic C9-C12 1 08/04/23 02:20 V36175TBL 466 µg/L 4.02 50.0Aromatic C9-C10 1 08/04/23 02:20 V36175TBL MADEP-VPHSurrogate: 2,5-Dibromotoluene (FID)89.5 Limits: 70-130%08/04/23 02:201 TBL MADEP-VPHSurrogate: 2,5-Dibromotoluene (PID)89.5 Limits: 70-130%08/04/23 02:201 TBL Qualifiers/ Definitions Analyte detected in blankBOutside QC Limit* Estimated valueJDilution FactorDF Method Quantitation LimitMQLMinimum valueM Page 37 of 60 , REPORT OF ANALYSISReport Number : Project Information : NC 28273 23-215-0001 00012 CES Group 3525 Whitehall Park Dr. Suite 150 Greg Hans Charlotte Angela D Overcash Senior Project Manager Received : 08/02/2023 Exprezit #503 Report Date : 08/10/2023 Sample ID : Lab No : Sampled:Field Blank 91383 Matrix: 8/2/2023 14:30 Aqueous Analytical Method: Prep Method: Test Results Units MDL MQL By Analytical Batch Date / Time Analyzed DF 6200 PT 6200B Prep Batch(es):V36245 08/03/23 14:00 <1.80 µg/L 1.80 10.0Acetone 1 08/04/23 07:22 V36246MSA <0.180 µg/L 0.180 0.500Benzene 1 08/04/23 07:22 V36246MSA <0.210 µg/L 0.210 0.500Bromobenzene 1 08/04/23 07:22 V36246MSA <0.420 µg/L 0.420 1.00Bromochloromethane 1 08/04/23 07:22 V36246MSA <0.160 µg/L 0.160 0.500Bromodichloromethane 1 08/04/23 07:22 V36246MSA <1.50 µg/L 1.50 5.00Bromoform 1 08/04/23 07:22 V36246MSA <0.280 µg/L 0.280 1.00Bromomethane 1 08/04/23 07:22 V36246MSA <0.180 µg/L 0.180 0.500n-Butylbenzene 1 08/04/23 07:22 V36246MSA <0.200 µg/L 0.200 0.500 sec-Butyl benzene 1 08/04/23 07:22 V36246MSA <0.920 µg/L 0.920 2.00tert-Butyl benzene 1 08/04/23 07:22 V36246MSA <0.180 µg/L 0.180 0.500Carbon Tetrachloride 1 08/04/23 07:22 V36246MSA <0.190 µg/L 0.190 0.500Chlorobenzene 1 08/04/23 07:22 V36246MSA <0.190 µg/L 0.190 0.500Chlorodibromomethane 1 08/04/23 07:22 V36246MSA <0.430 µg/L 0.430 1.00Chloroethane 1 08/04/23 07:22 V36246MSA <0.220 µg/L 0.220 0.500Chloroform 1 08/04/23 07:22 V36246MSA <0.220 µg/L 0.220 0.500 Chloromethane 1 08/04/23 07:22 V36246MSA <0.200 µg/L 0.200 0.5002-Chlorotoluene 1 08/04/23 07:22 V36246MSA <0.200 µg/L 0.200 0.5004-Chlorotoluene 1 08/04/23 07:22 V36246MSA <0.500 µg/L 0.500 0.500Di-Isopropyl Ether (DIPE)1 08/04/23 07:22 V36246MSA <1.10 µg/L 1.10 2.001,2-Dibromo-3-Chloropropane 1 08/04/23 07:22 V36246MSA <0.200 µg/L 0.200 0.5001,2-Dibromoethane 1 08/04/23 07:22 V36246MSA <0.230 µg/L 0.230 0.500Dibromomethane 1 08/04/23 07:22 V36246MSA Qualifiers/ Definitions Analyte detected in blankBOutside QC Limit* Estimated valueJDilution FactorDF Method Quantitation LimitMQLMinimum valueM Page 38 of 60 , REPORT OF ANALYSISReport Number : Project Information : NC 28273 23-215-0001 00012 CES Group 3525 Whitehall Park Dr. Suite 150 Greg Hans Charlotte Angela D Overcash Senior Project Manager Received : 08/02/2023 Exprezit #503 Report Date : 08/10/2023 Sample ID : Lab No : Sampled:Field Blank 91383 Matrix: 8/2/2023 14:30 Aqueous Analytical Method: Prep Method: Test Results Units MDL MQL By Analytical Batch Date / Time Analyzed DF 6200 PT 6200B Prep Batch(es):V36245 08/03/23 14:00 <0.220 µg/L 0.220 0.5001,2-Dichlorobenzene 1 08/04/23 07:22 V36246MSA <0.190 µg/L 0.190 0.5001,3-Dichlorobenzene 1 08/04/23 07:22 V36246MSA <0.210 µg/L 0.210 0.5001,4-Dichlorobenzene 1 08/04/23 07:22 V36246MSA <1.20 µg/L 1.20 5.00Dichlorodifluoromethane 1 08/04/23 07:22 V36246MSA <0.240 µg/L 0.240 0.5001,1-Dichloroethane 1 08/04/23 07:22 V36246MSA <0.150 µg/L 0.150 0.5001,2-Dichloroethane 1 08/04/23 07:22 V36246MSA <0.150 µg/L 0.150 0.5001,1-Dichloroethene 1 08/04/23 07:22 V36246MSA <0.200 µg/L 0.200 0.500cis-1,2-Dichloroethene 1 08/04/23 07:22 V36246MSA <0.180 µg/L 0.180 0.500 trans-1,2-Dichloroethene 1 08/04/23 07:22 V36246MSA <0.190 µg/L 0.190 0.5001,2-Dichloropropane 1 08/04/23 07:22 V36246MSA <0.130 µg/L 0.130 0.5001,3-Dichloropropane 1 08/04/23 07:22 V36246MSA <0.210 µg/L 0.210 2.002,2-Dichloropropane 1 08/04/23 07:22 V36246MSA <0.200 µg/L 0.200 0.5001,1-Dichloropropene 1 08/04/23 07:22 V36246MSA <0.210 µg/L 0.210 0.500cis-1,3-Dichloropropene 1 08/04/23 07:22 V36246MSA <0.150 µg/L 0.150 0.500trans-1,3-Dichloropropene 1 08/04/23 07:22 V36246MSA <42.0 µg/L 42.0 200 Ethanol 1 08/04/23 07:22 V36246MSA <0.170 µg/L 0.170 0.500Ethylbenzene 1 08/04/23 07:22 V36246MSA <0.350 µg/L 0.350 3.00Hexachlorobutadiene 1 08/04/23 07:22 V36246MSA <0.380 µg/L 0.380 1.002-Hexanone 1 08/04/23 07:22 V36246MSA <0.180 µg/L 0.180 0.500Isopropylbenzene 1 08/04/23 07:22 V36246MSA <0.089 µg/L 0.089 0.5004-Isopropyl toluene 1 08/04/23 07:22 V36246MSA <0.710 µg/L 0.710 5.00Methyl Ethyl Ketone (MEK)1 08/04/23 07:22 V36246MSA Qualifiers/ Definitions Analyte detected in blankBOutside QC Limit* Estimated valueJDilution FactorDF Method Quantitation LimitMQLMinimum valueM Page 39 of 60 , REPORT OF ANALYSISReport Number : Project Information : NC 28273 23-215-0001 00012 CES Group 3525 Whitehall Park Dr. Suite 150 Greg Hans Charlotte Angela D Overcash Senior Project Manager Received : 08/02/2023 Exprezit #503 Report Date : 08/10/2023 Sample ID : Lab No : Sampled:Field Blank 91383 Matrix: 8/2/2023 14:30 Aqueous Analytical Method: Prep Method: Test Results Units MDL MQL By Analytical Batch Date / Time Analyzed DF 6200 PT 6200B Prep Batch(es):V36245 08/03/23 14:00 <0.140 µg/L 0.140 1.00Methyl tert-butyl ether (MTBE)1 08/04/23 07:22 V36246MSA <0.078 µg/L 0.078 1.004-Methyl-2-Pentanone 1 08/04/23 07:22 V36246MSA 0.374 J µg/L 0.330 2.00Methylene Chloride 1 08/04/23 07:22 V36246MSA <0.470 µg/L 0.470 1.00Naphthalene 1 08/04/23 07:22 V36246MSA <0.190 µg/L 0.190 0.500n-Propylbenzene 1 08/04/23 07:22 V36246MSA <0.220 µg/L 0.220 0.500Styrene 1 08/04/23 07:22 V36246MSA <0.160 µg/L 0.160 0.5001,1,1,2-Tetrachloroethane 1 08/04/23 07:22 V36246MSA <0.160 µg/L 0.160 0.5001,1,2,2-Tetrachloroethane 1 08/04/23 07:22 V36246MSA <0.220 µg/L 0.220 0.500 Tetrachloroethene 1 08/04/23 07:22 V36246MSA <0.220 µg/L 0.220 0.500Toluene 1 08/04/23 07:22 V36246MSA <0.380 µg/L 0.380 0.5001,2,3-Trichlorobenzene 1 08/04/23 07:22 V36246MSA <0.310 µg/L 0.310 0.5001,2,4-Trichlorobenzene 1 08/04/23 07:22 V36246MSA <0.160 µg/L 0.160 0.5001,1,1-Trichloroethane 1 08/04/23 07:22 V36246MSA <0.096 µg/L 0.096 0.5001,1,2-Trichloroethane 1 08/04/23 07:22 V36246MSA <0.180 µg/L 0.180 0.500Trichloroethene 1 08/04/23 07:22 V36246MSA <0.180 µg/L 0.180 0.500 Trichlorofluoromethane 1 08/04/23 07:22 V36246MSA <0.270 µg/L 0.270 0.5001,2,3-Trichloropropane 1 08/04/23 07:22 V36246MSA <0.190 µg/L 0.190 0.5001,2,4-Trimethylbenzene 1 08/04/23 07:22 V36246MSA <0.180 µg/L 0.180 0.5001,3,5-Trimethylbenzene 1 08/04/23 07:22 V36246MSA <1.00 µg/L 1.00 5.00Vinyl Acetate 1 08/04/23 07:22 V36246MSA <0.170 µg/L 0.170 0.500Vinyl Chloride 1 08/04/23 07:22 V36246MSA <0.210 µg/L 0.210 0.500o-Xylene 1 08/04/23 07:22 V36246MSA Qualifiers/ Definitions Analyte detected in blankBOutside QC Limit* Estimated valueJDilution FactorDF Method Quantitation LimitMQLMinimum valueM Page 40 of 60 , REPORT OF ANALYSISReport Number : Project Information : NC 28273 23-215-0001 00012 CES Group 3525 Whitehall Park Dr. Suite 150 Greg Hans Charlotte Angela D Overcash Senior Project Manager Received : 08/02/2023 Exprezit #503 Report Date : 08/10/2023 Sample ID : Lab No : Sampled:Field Blank 91383 Matrix: 8/2/2023 14:30 Aqueous Analytical Method: Prep Method: Test Results Units MDL MQL By Analytical Batch Date / Time Analyzed DF 6200 PT 6200B Prep Batch(es):V36245 08/03/23 14:00 <0.420 µg/L 0.420 1.00m,p-Xylene 1 08/04/23 07:22 V36246MSA <0.21 µg/L 0.210 0.500Xylene (Total)1 08/04/23 07:22 V36246 Surrogate: 4-Bromofluorobenzene 106 Limits: 70-130%08/04/23 07:221 MSA V36246 Surrogate: Dibromofluoromethane 101 Limits: 70-130%08/04/23 07:221 MSA V36246 Surrogate: 1,2-Dichloroethane - d4 97.2 Limits: 70-130%08/04/23 07:221 MSA V36246 Surrogate: Toluene-d8 95.0 Limits: 70-130%08/04/23 07:221 MSA V36246 Qualifiers/ Definitions Analyte detected in blankBOutside QC Limit* Estimated valueJDilution FactorDF Method Quantitation LimitMQLMinimum valueM Page 41 of 60 , REPORT OF ANALYSISReport Number : Project Information : NC 28273 23-215-0001 00012 CES Group 3525 Whitehall Park Dr. Suite 150 Greg Hans Charlotte Angela D Overcash Senior Project Manager Received : 08/02/2023 Exprezit #503 Report Date : 08/10/2023 Sample ID : Lab No : Sampled:Field Blank 91383 Matrix: 8/2/2023 14:30 Aqueous Analytical Method: Prep Method: Test Results Units MDL MQL By Analytical Batch Date / Time Analyzed DF MAEPH (Prep) MADEP-EPH Prep Batch(es):V36345 08/08/23 14:20 <28.2 µg/L 28.2 350Aliphatic C9-C18 1 08/09/23 14:55 V36403NDL <124 µg/L 124 500Aliphatic C19-C36 1 08/09/23 14:55 V36403NDL <61.2 µg/L 61.2 250Aromatic C11-C22 1 08/09/23 14:55 V36403NDL MADEP-EPHSurrogate: 2-Bromonaphthalene 73.0 Limits: 40-140%08/09/23 14:551 NDL MADEP-EPHSurrogate: Chlorooctadecane 51.0 Limits: 40-140%08/09/23 14:551 NDL MADEP-EPHSurrogate: OTP Surrogate 57.3 Limits: 40-140%08/09/23 14:551 NDL Surrogate: 2-Fluorobiphenyl 73.5 Limits: 40-140%08/09/23 14:551 NDL V36403 Analytical Method: Prep Method: Test Results Units MDL MQL By Analytical Batch Date / Time Analyzed DF MAVPH (Prep) MADEP-VPH Prep Batch(es):V36174 08/03/23 08:00 <11.5 µg/L 11.5 50.0 Aliphatic C5-C8 1 08/03/23 21:37 V36175TBL <25.8 µg/L 25.8 50.0Aliphatic C9-C12 1 08/03/23 21:37 V36175TBL <4.02 µg/L 4.02 50.0Aromatic C9-C10 1 08/03/23 21:37 V36175TBL MADEP-VPHSurrogate: 2,5-Dibromotoluene (FID)93.6 Limits: 70-130%08/03/23 21:371 TBL MADEP-VPHSurrogate: 2,5-Dibromotoluene (PID)80.5 Limits: 70-130%08/03/23 21:371 TBL Qualifiers/ Definitions Analyte detected in blankBOutside QC Limit* Estimated valueJDilution FactorDF Method Quantitation LimitMQLMinimum valueM Page 42 of 60 Quality Control Data 23-215-0001Report No: Project Description: Client ID:CES Group Exprezit #503 QC Prep Batch Method: Metals Analysis 6010D V36417QC Analytical Batch(es): Analysis Method: Analysis Description: 3005A QC Prep:V36361 Associated Lab Samples: 91379 LRB-V36361 Matrix: AQULab Reagent Blank Parameter AnalyzedMQLMDLBlank ResultUnits 08/09/23 19:230.0060.002<0.002mg/LLead LCS-V36361Laboratory Control Sample Parameter LCS %RecLCS Result Spike Conc.Units % Rec Limits 1090.1090.100mg/LLead 80-120 V 91297-MS-V36361 V 91297-MSD-V36361Matrix Spike & Matrix Spike Duplicate MS Result Parameter Max RPD MS %Rec MSD Result MSD Spike Conc. MS Spike Conc.ResultUnits %Rec Limits MSD %Rec RPD 0.106 1060.1040.1000.100< 0.002mg/LLead 104 75-125 1.9 20.0 V 91297-PDS-V36361Post Digestion Spike Parameter Analyzed% Recovery PDS ResultUnits 08/09/23 20:031010.252mg/LLead Page 1 of 16Date:08/10/2023 11:29 AM Page 43 of 60 Quality Control Data 23-215-0001Report No: Project Description: Client ID:CES Group Exprezit #503 QC Prep Batch Method: Volatile Organic Compounds - GC/MS 6200B V36246QC Analytical Batch(es): Analysis Method: Analysis Description: 6200 PT QC Prep:V36245 Associated Lab Samples: 91382, 91383 LRB-V36245 Matrix: AQULab Reagent Blank Parameter AnalyzedMQLMDLBlank ResultUnits % Recovery % Rec Limits 08/04/23 06:5410.01.80<1.80µg/LAcetone 08/04/23 06:540.5000.180<0.180µg/LBenzene 08/04/23 06:540.5000.210<0.210µg/LBromobenzene 08/04/23 06:541.000.420<0.420µg/LBromochloromethane 08/04/23 06:540.5000.160<0.160µg/LBromodichloromethane 08/04/23 06:545.001.50<1.50µg/LBromoform 08/04/23 06:541.000.280<0.280µg/LBromomethane 08/04/23 06:540.5000.180<0.180µg/Ln-Butylbenzene 08/04/23 06:540.5000.200<0.200µg/Lsec-Butyl benzene 08/04/23 06:542.000.920<0.920µg/Ltert-Butyl benzene 08/04/23 06:540.5000.180<0.180µg/LCarbon Tetrachloride 08/04/23 06:540.5000.190<0.190µg/LChlorobenzene 08/04/23 06:540.5000.190<0.190µg/LChlorodibromomethane 08/04/23 06:541.000.430<0.430µg/LChloroethane 08/04/23 06:540.5000.220<0.220µg/LChloroform 08/04/23 06:540.5000.220<0.220µg/LChloromethane 08/04/23 06:540.5000.200<0.200µg/L2-Chlorotoluene 08/04/23 06:540.5000.200<0.200µg/L4-Chlorotoluene 08/04/23 06:540.5000.500<0.500µg/LDi-Isopropyl Ether (DIPE) 08/04/23 06:542.001.10<1.10µg/L1,2-Dibromo-3-Chloropropane 08/04/23 06:540.5000.200<0.200µg/L1,2-Dibromoethane 08/04/23 06:540.5000.230<0.230µg/LDibromomethane 08/04/23 06:540.5000.220<0.220µg/L1,2-Dichlorobenzene 08/04/23 06:540.5000.190<0.190µg/L1,3-Dichlorobenzene 08/04/23 06:540.5000.210<0.210µg/L1,4-Dichlorobenzene 08/04/23 06:545.001.20<1.20µg/LDichlorodifluoromethane 08/04/23 06:540.5000.240<0.240µg/L1,1-Dichloroethane Page 2 of 16Date:08/10/2023 11:29 AM Page 44 of 60 Quality Control Data 23-215-0001Report No: Project Description: Client ID:CES Group Exprezit #503 QC Prep Batch Method: Volatile Organic Compounds - GC/MS 6200B V36246QC Analytical Batch(es): Analysis Method: Analysis Description: 6200 PT QC Prep:V36245 Associated Lab Samples: 91382, 91383 LRB-V36245 Matrix: AQULab Reagent Blank Parameter AnalyzedMQLMDLBlank ResultUnits % Recovery % Rec Limits 08/04/23 06:540.5000.150<0.150µg/L1,2-Dichloroethane 08/04/23 06:540.5000.150<0.150µg/L1,1-Dichloroethene 08/04/23 06:540.5000.200<0.200µg/Lcis-1,2-Dichloroethene 08/04/23 06:540.5000.180<0.180µg/Ltrans-1,2-Dichloroethene 08/04/23 06:540.5000.190<0.190µg/L1,2-Dichloropropane 08/04/23 06:540.5000.130<0.130µg/L1,3-Dichloropropane 08/04/23 06:542.000.210<0.210µg/L2,2-Dichloropropane 08/04/23 06:540.5000.200<0.200µg/L1,1-Dichloropropene 08/04/23 06:540.5000.210<0.210µg/Lcis-1,3-Dichloropropene 08/04/23 06:540.5000.150<0.150µg/Ltrans-1,3-Dichloropropene 08/04/23 06:5420042.0<42.0µg/LEthanol 08/04/23 06:540.5000.170<0.170µg/LEthylbenzene 08/04/23 06:543.000.350<0.350µg/LHexachlorobutadiene 08/04/23 06:541.000.380<0.380µg/L2-Hexanone 08/04/23 06:540.5000.180<0.180µg/LIsopropylbenzene 08/04/23 06:540.5000.089<0.089µg/L4-Isopropyl toluene 08/04/23 06:545.000.710<0.710µg/LMethyl Ethyl Ketone (MEK) 08/04/23 06:541.000.140<0.140µg/LMethyl tert-butyl ether (MTBE) 08/04/23 06:541.000.078<0.078µg/L4-Methyl-2-Pentanone 08/04/23 06:542.000.330<0.330µg/LMethylene Chloride 08/04/23 06:541.000.470<0.470µg/LNaphthalene 08/04/23 06:540.5000.190<0.190µg/Ln-Propylbenzene 08/04/23 06:540.5000.220<0.220µg/LStyrene 08/04/23 06:540.5000.160<0.160µg/L1,1,1,2-Tetrachloroethane 08/04/23 06:540.5000.160<0.160µg/L1,1,2,2-Tetrachloroethane 08/04/23 06:540.5000.220<0.220µg/LTetrachloroethene 08/04/23 06:540.5000.220<0.220µg/LToluene Page 3 of 16Date:08/10/2023 11:29 AM Page 45 of 60 Quality Control Data 23-215-0001Report No: Project Description: Client ID:CES Group Exprezit #503 QC Prep Batch Method: Volatile Organic Compounds - GC/MS 6200B V36246QC Analytical Batch(es): Analysis Method: Analysis Description: 6200 PT QC Prep:V36245 Associated Lab Samples: 91382, 91383 LRB-V36245 Matrix: AQULab Reagent Blank Parameter AnalyzedMQLMDLBlank ResultUnits % Recovery % Rec Limits 08/04/23 06:540.5000.380<0.380µg/L1,2,3-Trichlorobenzene 08/04/23 06:540.5000.310<0.310µg/L1,2,4-Trichlorobenzene 08/04/23 06:540.5000.160<0.160µg/L1,1,1-Trichloroethane 08/04/23 06:540.5000.096<0.096µg/L1,1,2-Trichloroethane 08/04/23 06:540.5000.180<0.180µg/LTrichloroethene 08/04/23 06:540.5000.180<0.180µg/LTrichlorofluoromethane 08/04/23 06:540.5000.270<0.270µg/L1,2,3-Trichloropropane 08/04/23 06:540.5000.190<0.190µg/L1,2,4-Trimethylbenzene 08/04/23 06:540.5000.180<0.180µg/L1,3,5-Trimethylbenzene 08/04/23 06:545.001.00<1.00µg/LVinyl Acetate 08/04/23 06:540.5000.170<0.170µg/LVinyl Chloride 08/04/23 06:540.5000.210<0.210µg/Lo-Xylene 08/04/23 06:541.000.420<0.420µg/Lm,p-Xylene 08/04/23 06:544-Bromofluorobenzene (S)106 70-130 08/04/23 06:54Dibromofluoromethane (S)102 70-130 08/04/23 06:541,2-Dichloroethane - d4 (S)98.2 70-130 08/04/23 06:54Toluene-d8 (S)95.2 70-130 LCS-V36245 LCSD-V36245Laboratory Control Sample & LCSD LCSD ResultParameter Max RPD LCSD % Rec LCS %Rec LCS Result Spike Conc.Units % Rec Limits RPD 32.5 81.287.535.040.0µg/LAcetone 40-160 7.4 20.0 18.5 92.510220.420.0µg/LBenzene 70-130 9.7 20.0 19.1 95.510420.720.0µg/LBromobenzene 70-130 8.0 20.0 20.0 10010521.020.0µg/LBromochloromethane 70-130 4.8 20.0 19.0 95.010120.120.0µg/LBromodichloromethane 70-130 5.6 20.0 Page 4 of 16Date:08/10/2023 11:29 AM Page 46 of 60 Quality Control Data 23-215-0001Report No: Project Description: Client ID:CES Group Exprezit #503 QC Prep Batch Method: Volatile Organic Compounds - GC/MS 6200B V36246QC Analytical Batch(es): Analysis Method: Analysis Description: 6200 PT QC Prep:V36245 LCS-V36245 LCSD-V36245Laboratory Control Sample & LCSD LCSD ResultParameter Max RPD LCSD % Rec LCS %Rec LCS Result Spike Conc.Units % Rec Limits RPD 18.1 90.596.019.220.0µg/LBromoform 70-130 5.8 20.0 16.2 81.098.019.620.0µg/LBromomethane 60-140 18.9 20.0 17.9 89.599.519.920.0µg/Ln-Butylbenzene 70-130 10.5 20.0 17.9 89.599.519.920.0µg/Lsec-Butyl benzene 70-130 10.5 20.0 18.2 91.010020.020.0µg/Ltert-Butyl benzene 70-130 9.4 20.0 18.6 93.010821.520.0µg/LCarbon Tetrachloride 70-130 14.4 20.0 18.0 90.010020.020.0µg/LChlorobenzene 70-130 10.5 20.0 18.2 91.097.019.420.0µg/LChlorodibromomethane 70-130 6.3 20.0 18.0 90.010420.820.0µg/LChloroethane 60-140 14.4 20.0 18.8 94.010721.320.0µg/LChloroform 70-130 12.4 20.0 16.0 80.097.019.420.0µg/LChloromethane 60-140 19.2 20.0 18.2 91.010220.320.0µg/L2-Chlorotoluene 70-130 10.9 20.0 18.4 92.010120.220.0µg/L4-Chlorotoluene 70-130 9.3 20.0 18.0 90.097.019.420.0µg/LDi-Isopropyl Ether (DIPE)70-130 7.4 20.0 16.0 80.082.016.420.0µg/L1,2-Dibromo-3-Chloropropane 70-130 2.4 20.0 18.5 92.597.019.420.0µg/L1,2-Dibromoethane 70-130 4.7 20.0 18.3 91.510520.920.0µg/LDibromomethane 70-130 13.2 20.0 18.5 92.510220.320.0µg/L1,2-Dichlorobenzene 70-130 9.2 20.0 18.4 92.010220.320.0µg/L1,3-Dichlorobenzene 70-130 9.8 20.0 17.5 87.599.519.920.0µg/L1,4-Dichlorobenzene 70-130 12.8 20.0 15.4 77.092.018.420.0µg/LDichlorodifluoromethane 60-140 17.7 20.0 19.2 96.010621.220.0µg/L1,1-Dichloroethane 70-130 9.9 20.0 17.7 88.593.518.720.0µg/L1,2-Dichloroethane 70-130 5.4 20.0 18.2 91.010320.620.0µg/L1,1-Dichloroethene 70-130 12.3 20.0 18.3 91.510220.420.0µg/Lcis-1,2-Dichloroethene 70-130 10.8 20.0 18.3 91.510420.720.0µg/Ltrans-1,2-Dichloroethene 70-130 12.3 20.0 Page 5 of 16Date:08/10/2023 11:29 AM Page 47 of 60 Quality Control Data 23-215-0001Report No: Project Description: Client ID:CES Group Exprezit #503 QC Prep Batch Method: Volatile Organic Compounds - GC/MS 6200B V36246QC Analytical Batch(es): Analysis Method: Analysis Description: 6200 PT QC Prep:V36245 LCS-V36245 LCSD-V36245Laboratory Control Sample & LCSD LCSD ResultParameter Max RPD LCSD % Rec LCS %Rec LCS Result Spike Conc.Units % Rec Limits RPD 19.0 95.098.019.620.0µg/L1,2-Dichloropropane 70-130 3.1 20.0 18.3 91.597.519.520.0µg/L1,3-Dichloropropane 70-130 6.3 20.0 14.6 73.086.017.220.0µg/L2,2-Dichloropropane 70-130 16.3 20.0 20.0 10010721.420.0µg/L1,1-Dichloropropene 70-130 6.7 20.0 17.8 89.099.019.820.0µg/Lcis-1,3-Dichloropropene 70-130 10.6 20.0 18.5 92.510120.120.0µg/Ltrans-1,3-Dichloropropene 70-130 8.2 20.0 418 83.6107534500µg/LEthanol 60-140 24.3*20.0 17.4 87.096.519.320.0µg/LEthylbenzene 70-130 10.3 20.0 18.2 91.098.519.720.0µg/LHexachlorobutadiene 70-130 7.9 20.0 15.7 78.585.517.120.0µg/L2-Hexanone 60-140 8.5 20.0 18.9 94.510420.820.0µg/LIsopropylbenzene 70-130 9.5 20.0 18.4 92.010120.220.0µg/L4-Isopropyl toluene 70-130 9.3 20.0 17.5 87.589.517.920.0µg/LMethyl Ethyl Ketone (MEK)60-140 2.2 20.0 18.1 90.597.019.420.0µg/LMethyl tert-butyl ether (MTBE)70-130 6.9 20.0 16.8 84.088.017.620.0µg/L4-Methyl-2-Pentanone 60-140 4.6 20.0 19.3 96.510821.520.0µg/LMethylene Chloride 70-130 10.7 20.0 15.1 75.576.015.220.0µg/LNaphthalene 70-130 0.6 20.0 17.7 88.599.519.920.0µg/Ln-Propylbenzene 70-130 11.7 20.0 18.9 94.510120.120.0µg/LStyrene 70-130 6.1 20.0 19.0 95.010521.020.0µg/L1,1,1,2-Tetrachloroethane 70-130 10.0 20.0 17.2 86.090.518.120.0µg/L1,1,2,2-Tetrachloroethane 70-130 5.0 20.0 18.1 90.599.019.820.0µg/LTetrachloroethene 70-130 8.9 20.0 18.6 93.010320.520.0µg/LToluene 70-130 9.7 20.0 16.0 80.088.517.720.0µg/L1,2,3-Trichlorobenzene 70-130 10.0 20.0 16.8 84.094.518.920.0µg/L1,2,4-Trichlorobenzene 70-130 11.7 20.0 18.5 92.510520.920.0µg/L1,1,1-Trichloroethane 70-130 12.1 20.0 Page 6 of 16* QC Fail Date:08/10/2023 11:29 AM Page 48 of 60 Quality Control Data 23-215-0001Report No: Project Description: Client ID:CES Group Exprezit #503 QC Prep Batch Method: Volatile Organic Compounds - GC/MS 6200B V36246QC Analytical Batch(es): Analysis Method: Analysis Description: 6200 PT QC Prep:V36245 LCS-V36245 LCSD-V36245Laboratory Control Sample & LCSD LCSD ResultParameter Max RPD LCSD % Rec LCS %Rec LCS Result Spike Conc.Units % Rec Limits RPD 19.6 98.010420.720.0µg/L1,1,2-Trichloroethane 70-130 5.4 20.0 19.4 97.011022.020.0µg/LTrichloroethene 70-130 12.5 20.0 17.0 85.010120.220.0µg/LTrichlorofluoromethane 60-140 17.2 20.0 16.8 84.092.018.420.0µg/L1,2,3-Trichloropropane 70-130 9.0 20.0 18.1 90.510120.120.0µg/L1,2,4-Trimethylbenzene 70-130 10.4 20.0 18.2 91.010120.220.0µg/L1,3,5-Trimethylbenzene 70-130 10.4 20.0 14.6 73.065.513.120.0µg/LVinyl Acetate 60-140 10.8 20.0 18.2 91.011122.120.0µg/LVinyl Chloride 60-140 19.3 20.0 18.0 90.098.519.720.0µg/Lo-Xylene 70-130 9.0 20.0 37.0 92.510240.640.0µg/Lm,p-Xylene 70-130 9.2 20.0 1011024-Bromofluorobenzene (S)70-130 101100Dibromofluoromethane (S)70-130 98.099.01,2-Dichloroethane - d4 (S)70-130 96.096.0Toluene-d8 (S)70-130 Page 7 of 16Date:08/10/2023 11:29 AM Page 49 of 60 Quality Control Data 23-215-0001Report No: Project Description: Client ID:CES Group Exprezit #503 QC Prep Batch Method: Volatile Organic Compounds - GC/MS 6200B V36262QC Analytical Batch(es): Analysis Method: Analysis Description: 6200 PT QC Prep:V36261 Associated Lab Samples: 91377, 91378, 91379, 91380, 91381 LRB-V36261 Matrix: AQULab Reagent Blank Parameter AnalyzedMQLMDLBlank ResultUnits % Recovery % Rec Limits 08/04/23 04:4510.01.80<1.80µg/LAcetone 08/04/23 04:450.5000.180<0.180µg/LBenzene 08/04/23 04:450.5000.210<0.210µg/LBromobenzene 08/04/23 04:451.000.420<0.420µg/LBromochloromethane 08/04/23 04:450.5000.160<0.160µg/LBromodichloromethane 08/04/23 04:455.001.50<1.50µg/LBromoform 08/04/23 04:451.000.280<0.280µg/LBromomethane 08/04/23 04:450.5000.180<0.180µg/Ln-Butylbenzene 08/04/23 04:450.5000.200<0.200µg/Lsec-Butyl benzene 08/04/23 04:452.000.920<0.920µg/Ltert-Butyl benzene 08/04/23 04:450.5000.180<0.180µg/LCarbon Tetrachloride 08/04/23 04:450.5000.190<0.190µg/LChlorobenzene 08/04/23 04:450.5000.190<0.190µg/LChlorodibromomethane 08/04/23 04:451.000.430<0.430µg/LChloroethane 08/04/23 04:450.5000.220<0.220µg/LChloroform 08/04/23 04:450.5000.220<0.220µg/LChloromethane 08/04/23 04:450.5000.200<0.200µg/L2-Chlorotoluene 08/04/23 04:450.5000.200<0.200µg/L4-Chlorotoluene 08/04/23 04:450.5000.500<0.500µg/LDi-Isopropyl Ether (DIPE) 08/04/23 04:452.001.10<1.10µg/L1,2-Dibromo-3-Chloropropane 08/04/23 04:450.5000.200<0.200µg/L1,2-Dibromoethane 08/04/23 04:450.5000.230<0.230µg/LDibromomethane 08/04/23 04:450.5000.220<0.220µg/L1,2-Dichlorobenzene 08/04/23 04:450.5000.190<0.190µg/L1,3-Dichlorobenzene 08/04/23 04:450.5000.210<0.210µg/L1,4-Dichlorobenzene 08/04/23 04:455.001.20<1.20µg/LDichlorodifluoromethane 08/04/23 04:450.5000.240<0.240µg/L1,1-Dichloroethane Page 8 of 16Date:08/10/2023 11:29 AM Page 50 of 60 Quality Control Data 23-215-0001Report No: Project Description: Client ID:CES Group Exprezit #503 QC Prep Batch Method: Volatile Organic Compounds - GC/MS 6200B V36262QC Analytical Batch(es): Analysis Method: Analysis Description: 6200 PT QC Prep:V36261 Associated Lab Samples: 91377, 91378, 91379, 91380, 91381 LRB-V36261 Matrix: AQULab Reagent Blank Parameter AnalyzedMQLMDLBlank ResultUnits % Recovery % Rec Limits 08/04/23 04:450.5000.150<0.150µg/L1,2-Dichloroethane 08/04/23 04:450.5000.150<0.150µg/L1,1-Dichloroethene 08/04/23 04:450.5000.200<0.200µg/Lcis-1,2-Dichloroethene 08/04/23 04:450.5000.180<0.180µg/Ltrans-1,2-Dichloroethene 08/04/23 04:450.5000.190<0.190µg/L1,2-Dichloropropane 08/04/23 04:450.5000.130<0.130µg/L1,3-Dichloropropane 08/04/23 04:452.000.210<0.210µg/L2,2-Dichloropropane 08/04/23 04:450.5000.200<0.200µg/L1,1-Dichloropropene 08/04/23 04:450.5000.210<0.210µg/Lcis-1,3-Dichloropropene 08/04/23 04:450.5000.150<0.150µg/Ltrans-1,3-Dichloropropene 08/04/23 04:4520042.0<42.0µg/LEthanol 08/04/23 04:450.5000.170<0.170µg/LEthylbenzene 08/04/23 04:453.000.350<0.350µg/LHexachlorobutadiene 08/04/23 04:451.000.380<0.380µg/L2-Hexanone 08/04/23 04:450.5000.180<0.180µg/LIsopropylbenzene 08/04/23 04:450.5000.089<0.089µg/L4-Isopropyl toluene 08/04/23 04:455.000.710<0.710µg/LMethyl Ethyl Ketone (MEK) 08/04/23 04:451.000.140<0.140µg/LMethyl tert-butyl ether (MTBE) 08/04/23 04:451.000.078<0.078µg/L4-Methyl-2-Pentanone 08/04/23 04:452.000.330<0.330µg/LMethylene Chloride 08/04/23 04:451.000.470<0.470µg/LNaphthalene 08/04/23 04:450.5000.190<0.190µg/Ln-Propylbenzene 08/04/23 04:450.5000.220<0.220µg/LStyrene 08/04/23 04:450.5000.160<0.160µg/L1,1,1,2-Tetrachloroethane 08/04/23 04:450.5000.160<0.160µg/L1,1,2,2-Tetrachloroethane 08/04/23 04:450.5000.220<0.220µg/LTetrachloroethene 08/04/23 04:450.5000.220<0.220µg/LToluene Page 9 of 16Date:08/10/2023 11:29 AM Page 51 of 60 Quality Control Data 23-215-0001Report No: Project Description: Client ID:CES Group Exprezit #503 QC Prep Batch Method: Volatile Organic Compounds - GC/MS 6200B V36262QC Analytical Batch(es): Analysis Method: Analysis Description: 6200 PT QC Prep:V36261 Associated Lab Samples: 91377, 91378, 91379, 91380, 91381 LRB-V36261 Matrix: AQULab Reagent Blank Parameter AnalyzedMQLMDLBlank ResultUnits % Recovery % Rec Limits 08/04/23 04:450.5000.380<0.380µg/L1,2,3-Trichlorobenzene 08/04/23 04:450.5000.310<0.310µg/L1,2,4-Trichlorobenzene 08/04/23 04:450.5000.160<0.160µg/L1,1,1-Trichloroethane 08/04/23 04:450.5000.096<0.096µg/L1,1,2-Trichloroethane 08/04/23 04:450.5000.180<0.180µg/LTrichloroethene 08/04/23 04:450.5000.180<0.180µg/LTrichlorofluoromethane 08/04/23 04:450.5000.270<0.270µg/L1,2,3-Trichloropropane 08/04/23 04:450.5000.190<0.190µg/L1,2,4-Trimethylbenzene 08/04/23 04:450.5000.180<0.180µg/L1,3,5-Trimethylbenzene 08/04/23 04:455.001.00<1.00µg/LVinyl Acetate 08/04/23 04:450.5000.170<0.170µg/LVinyl Chloride 08/04/23 04:450.5000.210<0.210µg/Lo-Xylene 08/04/23 04:451.000.420<0.420µg/Lm,p-Xylene 08/04/23 04:454-Bromofluorobenzene (S)93.4 70-130 08/04/23 04:45Dibromofluoromethane (S)97.0 70-130 08/04/23 04:451,2-Dichloroethane - d4 (S)90.4 70-130 08/04/23 04:45Toluene-d8 (S)111 70-130 LCS-V36261 LCSD-V36261Laboratory Control Sample & LCSD LCSD ResultParameter Max RPD LCSD % Rec LCS %Rec LCS Result Spike Conc.Units % Rec Limits RPD 24.8 62.064.525.840.0µg/LAcetone 40-160 3.9 20.0 15.7 78.581.516.320.0µg/LBenzene 70-130 3.7 20.0 17.8 89.094.018.820.0µg/LBromobenzene 70-130 5.4 20.0 16.8 84.089.017.820.0µg/LBromochloromethane 70-130 5.7 20.0 15.2 76.079.015.820.0µg/LBromodichloromethane 70-130 3.8 20.0 Page 10 of 16Date:08/10/2023 11:29 AM Page 52 of 60 Quality Control Data 23-215-0001Report No: Project Description: Client ID:CES Group Exprezit #503 QC Prep Batch Method: Volatile Organic Compounds - GC/MS 6200B V36262QC Analytical Batch(es): Analysis Method: Analysis Description: 6200 PT QC Prep:V36261 LCS-V36261 LCSD-V36261Laboratory Control Sample & LCSD LCSD ResultParameter Max RPD LCSD % Rec LCS %Rec LCS Result Spike Conc.Units % Rec Limits RPD 21.1 10610821.520.0µg/LBromoform 70-130 1.8 20.0 13.8 69.064.012.820.0µg/LBromomethane 60-140 7.5 20.0 16.7 83.589.517.920.0µg/Ln-Butylbenzene 70-130 6.9 20.0 17.5 87.594.018.820.0µg/Lsec-Butyl benzene 70-130 7.1 20.0 18.3 91.598.019.620.0µg/Ltert-Butyl benzene 70-130 6.8 20.0 15.9 79.583.516.720.0µg/LCarbon Tetrachloride 70-130 4.9 20.0 18.9 94.598.519.720.0µg/LChlorobenzene 70-130 4.1 20.0 20.5 10310420.720.0µg/LChlorodibromomethane 70-130 0.9 20.0 16.6 83.089.017.820.0µg/LChloroethane 60-140 6.9 20.0 15.1 75.580.016.020.0µg/LChloroform 70-130 5.7 20.0 14.2 71.071.514.320.0µg/LChloromethane 60-140 0.7 20.0 17.5 87.592.018.420.0µg/L2-Chlorotoluene 70-130 5.0 20.0 17.8 89.094.018.820.0µg/L4-Chlorotoluene 70-130 5.4 20.0 14.9 74.576.515.320.0µg/LDi-Isopropyl Ether (DIPE)70-130 2.6 20.0 22.9 11510921.720.0µg/L1,2-Dibromo-3-Chloropropane 70-130 5.3 20.0 19.9 99.510120.120.0µg/L1,2-Dibromoethane 70-130 1.0 20.0 16.0 80.081.516.320.0µg/LDibromomethane 70-130 1.8 20.0 20.2 10110220.420.0µg/L1,2-Dichlorobenzene 70-130 0.9 20.0 19.2 96.010120.120.0µg/L1,3-Dichlorobenzene 70-130 4.5 20.0 19.2 96.010120.120.0µg/L1,4-Dichlorobenzene 70-130 4.5 20.0 14.6 73.078.015.620.0µg/LDichlorodifluoromethane 60-140 6.6 20.0 15.4 77.080.016.020.0µg/L1,1-Dichloroethane 70-130 3.8 20.0 14.8 74.076.015.220.0µg/L1,2-Dichloroethane 70-130 2.6 20.0 15.9 79.578.515.720.0µg/L1,1-Dichloroethene 70-130 1.2 20.0 14.8 74.076.515.320.0µg/Lcis-1,2-Dichloroethene 70-130 3.3 20.0 15.3 76.580.016.020.0µg/Ltrans-1,2-Dichloroethene 70-130 4.4 20.0 Page 11 of 16Date:08/10/2023 11:29 AM Page 53 of 60 Quality Control Data 23-215-0001Report No: Project Description: Client ID:CES Group Exprezit #503 QC Prep Batch Method: Volatile Organic Compounds - GC/MS 6200B V36262QC Analytical Batch(es): Analysis Method: Analysis Description: 6200 PT QC Prep:V36261 LCS-V36261 LCSD-V36261Laboratory Control Sample & LCSD LCSD ResultParameter Max RPD LCSD % Rec LCS %Rec LCS Result Spike Conc.Units % Rec Limits RPD 15.7 78.580.016.020.0µg/L1,2-Dichloropropane 70-130 1.8 20.0 18.8 94.096.519.320.0µg/L1,3-Dichloropropane 70-130 2.6 20.0 11.5 57.5*62.5*12.520.0µg/L2,2-Dichloropropane 70-130 8.3 20.0 16.0 80.085.017.020.0µg/L1,1-Dichloropropene 70-130 6.0 20.0 15.3 76.580.516.120.0µg/Lcis-1,3-Dichloropropene 70-130 5.0 20.0 15.6 78.080.016.020.0µg/Ltrans-1,3-Dichloropropene 70-130 2.5 20.0 419 83.888.6443500µg/LEthanol 60-140 5.5 20.0 17.3 86.590.518.120.0µg/LEthylbenzene 70-130 4.5 20.0 19.0 95.010420.820.0µg/LHexachlorobutadiene 70-130 9.0 20.0 14.7 73.571.514.320.0µg/L2-Hexanone 60-140 2.7 20.0 18.5 92.599.519.920.0µg/LIsopropylbenzene 70-130 7.2 20.0 18.7 93.510020.020.0µg/L4-Isopropyl toluene 70-130 6.7 20.0 17.3 86.581.016.220.0µg/LMethyl Ethyl Ketone (MEK)60-140 6.5 20.0 17.2 86.087.017.420.0µg/LMethyl tert-butyl ether (MTBE)70-130 1.1 20.0 13.4 67.066.013.220.0µg/L4-Methyl-2-Pentanone 60-140 1.5 20.0 14.9 74.571.514.320.0µg/LMethylene Chloride 70-130 4.1 20.0 21.7 10911623.120.0µg/LNaphthalene 70-130 6.2 20.0 17.1 85.592.018.420.0µg/Ln-Propylbenzene 70-130 7.3 20.0 19.1 95.599.019.820.0µg/LStyrene 70-130 3.5 20.0 19.6 98.010320.520.0µg/L1,1,1,2-Tetrachloroethane 70-130 4.4 20.0 18.0 90.094.018.820.0µg/L1,1,2,2-Tetrachloroethane 70-130 4.3 20.0 19.7 98.510320.620.0µg/LTetrachloroethene 70-130 4.4 20.0 15.5 77.581.016.220.0µg/LToluene 70-130 4.4 20.0 25.6 128133*26.620.0µg/L1,2,3-Trichlorobenzene 70-130 3.8 20.0 21.7 10911923.820.0µg/L1,2,4-Trichlorobenzene 70-130 9.2 20.0 15.0 75.079.515.920.0µg/L1,1,1-Trichloroethane 70-130 5.8 20.0 Page 12 of 16* QC Fail Date:08/10/2023 11:29 AM Page 54 of 60 Quality Control Data 23-215-0001Report No: Project Description: Client ID:CES Group Exprezit #503 QC Prep Batch Method: Volatile Organic Compounds - GC/MS 6200B V36262QC Analytical Batch(es): Analysis Method: Analysis Description: 6200 PT QC Prep:V36261 LCS-V36261 LCSD-V36261Laboratory Control Sample & LCSD LCSD ResultParameter Max RPD LCSD % Rec LCS %Rec LCS Result Spike Conc.Units % Rec Limits RPD 17.5 87.589.017.820.0µg/L1,1,2-Trichloroethane 70-130 1.6 20.0 17.2 86.090.018.020.0µg/LTrichloroethene 70-130 4.5 20.0 15.9 79.585.517.120.0µg/LTrichlorofluoromethane 60-140 7.2 20.0 18.9 94.596.519.320.0µg/L1,2,3-Trichloropropane 70-130 2.0 20.0 18.9 94.599.019.820.0µg/L1,2,4-Trimethylbenzene 70-130 4.6 20.0 18.7 93.510020.020.0µg/L1,3,5-Trimethylbenzene 70-130 6.7 20.0 12.6 63.065.013.020.0µg/LVinyl Acetate 60-140 3.1 20.0 16.7 83.589.017.820.0µg/LVinyl Chloride 60-140 6.3 20.0 18.1 90.594.018.820.0µg/Lo-Xylene 70-130 3.7 20.0 38.0 95.098.739.540.0µg/Lm,p-Xylene 70-130 3.8 20.0 93.495.44-Bromofluorobenzene (S)70-130 97.497.0Dibromofluoromethane (S)70-130 94.894.21,2-Dichloroethane - d4 (S)70-130 110111Toluene-d8 (S)70-130 Page 13 of 16Date:08/10/2023 11:29 AM Page 55 of 60 Quality Control Data 23-215-0001Report No: Project Description: Client ID:CES Group Exprezit #503 QC Prep Batch Method: Massachusetts EPH MADEP-EPH V36386QC Analytical Batch(es): Analysis Method: Analysis Description: MAEPH (Prep) QC Prep:V36328 Associated Lab Samples: 91377, 91378, 91379, 91380, 91381, 91382 LRB-V36328 Matrix: AQULab Reagent Blank Parameter AnalyzedMQLMDLBlank ResultUnits % Recovery % Rec Limits 08/08/23 20:0635028.238.6µg/LAliphatic C9-C18 08/08/23 20:06500124<124µg/LAliphatic C19-C36 08/08/23 20:0625061.2<61.2µg/LAromatic C11-C22 08/08/23 20:062-Fluorobiphenyl (S)87.2 40-140 08/08/23 20:062-Bromonaphthalene (S)86.5 40-140 08/08/23 20:06Chlorooctadecane (S)61.8 40-140 08/08/23 20:06OTP Surrogate (S)67.1 40-140 LCS-V36328 LCSD-V36328Laboratory Control Sample & LCSD LCSD ResultParameter Max RPD LCSD % Rec LCS %Rec LCS Result Spike Conc.Units % Rec Limits RPD 272 45.346.3278600µg/LAliphatic C9-C18 40-140 2.1 50.0 717 89.690.0720800µg/LAliphatic C19-C36 40-140 0.4 50.0 1800 10610417701700µg/LAromatic C11-C22 40-140 1.6 50.0 99.092.72-Fluorobiphenyl (S)40-140 98.592.72-Bromonaphthalene (S)40-140 55.355.5Chlorooctadecane (S)40-140 73.374.3OTP Surrogate (S)40-140 Page 14 of 16Date:08/10/2023 11:29 AM Page 56 of 60 Quality Control Data 23-215-0001Report No: Project Description: Client ID:CES Group Exprezit #503 QC Prep Batch Method: Massachusetts EPH MADEP-EPH V36403QC Analytical Batch(es): Analysis Method: Analysis Description: MAEPH (Prep) QC Prep:V36345 Associated Lab Samples: 91383 LRB-V36345 Matrix: AQULab Reagent Blank Parameter AnalyzedMQLMDLBlank ResultUnits % Recovery % Rec Limits 08/08/23 20:0635028.238.6µg/LAliphatic C9-C18 08/08/23 20:06500124<124µg/LAliphatic C19-C36 08/08/23 20:0625061.2<61.2µg/LAromatic C11-C22 08/08/23 20:062-Fluorobiphenyl (S)87.2 40-140 08/08/23 20:062-Bromonaphthalene (S)86.5 40-140 08/08/23 20:06Chlorooctadecane (S)61.8 40-140 08/08/23 20:06OTP Surrogate (S)67.1 40-140 LCS-V36345 LCSD-V36345Laboratory Control Sample & LCSD LCSD ResultParameter Max RPD LCSD % Rec LCS %Rec LCS Result Spike Conc.Units % Rec Limits RPD 272 45.346.3278600µg/LAliphatic C9-C18 40-140 2.1 50.0 717 89.690.0720800µg/LAliphatic C19-C36 40-140 0.4 50.0 1800 10610417701700µg/LAromatic C11-C22 40-140 1.6 50.0 99.092.72-Fluorobiphenyl (S)40-140 98.592.72-Bromonaphthalene (S)40-140 55.355.5Chlorooctadecane (S)40-140 73.374.3OTP Surrogate (S)40-140 Page 15 of 16Date:08/10/2023 11:29 AM Page 57 of 60 Quality Control Data 23-215-0001Report No: Project Description: Client ID:CES Group Exprezit #503 QC Prep Batch Method: Massachusetts VPH MADEP-VPH V36175QC Analytical Batch(es): Analysis Method: Analysis Description: MAVPH (Prep) QC Prep:V36174 Associated Lab Samples: 91377, 91378, 91379, 91380, 91381, 91382, 91383 LRB-V36174 Matrix: AQULab Reagent Blank Parameter AnalyzedMQLMDLBlank ResultUnits % Recovery % Rec Limits 08/03/23 21:1350.011.5<11.5µg/LAliphatic C5-C8 08/03/23 21:1350.025.8<25.8µg/LAliphatic C9-C12 08/03/23 21:1350.04.02<4.02µg/LAromatic C9-C10 08/03/23 21:132,5-Dibromotoluene (FID) (S)93.4 70-130 08/03/23 21:132,5-Dibromotoluene (PID) (S)85.2 70-130 LCS-V36174 LCSD-V36174Laboratory Control Sample & LCSD LCSD ResultParameter Max RPD LCSD % Rec LCS %Rec LCS Result Spike Conc.Units % Rec Limits RPD 290 96.695.3286300µg/LAliphatic C5-C8 70-130 1.3 50.0 309 103100301300µg/LAliphatic C9-C12 70-130 2.6 50.0 114 114114114100µg/LAromatic C9-C10 70-130 0.0 50.0 88.71052,5-Dibromotoluene (FID) (S)70-130 81.01012,5-Dibromotoluene (PID) (S)70-130 Page 16 of 16Date:08/10/2023 11:29 AM Page 58 of 60 Fed Ex UPS US Postal Client Lab Courier Other : Shipment Receipt Form Customer Number: Customer Name: Report Number:23-215-0001 CES Group 00012 Shipping Method Shipping container/cooler uncompromised? Thermometer ID:IRT15 4.0C Chain of Custody (COC) present?Yes No Yes No Not Present Yes No Not Present Yes No COC agrees with sample label(s)? Yes No COC properly completed Samples in proper containers? Sample containers intact? Sufficient sample volume for indicated test(s)? All samples received within holding time? Cooler temperature in compliance? Yes No Yes No Yes No Yes No Yes No Yes NoCooler/Samples arrived at the laboratory on ice. Samples were considered acceptable as cooling process had begun. Yes No Yes No N/A Yes No N/A Yes No N/ASoil VOA method 5035 – compliance criteria met Water - Sample containers properly preserved Water - VOA vials free of headspace Yes No N/A Trip Blanks received with VOAs Low concentration EnCore samplers (48 hr) High concentration pre-weighed (methanol -14 d) Low conc pre-weighed vials (Sod Bis -14 d) High concentration container (48 hr) Custody seals intact on shipping container/cooler? Custody seals intact on sample bottles? Number of coolers/boxes received Yes No 1 Signature:Angelo Norvell Date & Time:08/03/2023 09:55:19 Special precautions or instructions included? Comments: Page 59 of 60 Page 60 of 60