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HomeMy WebLinkAbout9204_Wake_Sorrell_MSWLF_Oct22GW_FID1792094_20230428kR USE ONLY.. [:]Paper Report [-]Electronic Data - Email CD (data loaded: Yes / No Doc/Event #: C DENR Environmental Monitoring Division of Waste Management - Solid Waste Reporting Form Notice: This form and any information attached to it are "Public Records" as defined in NC General Statute 132-1. As such, these documents are available for inspection and examination by any person upon request (NC General Statute 132-6). Instructions: • Prepare one form for each individually monitored unit. • Please type or print legibly. • Attach a notification table with values that attain or exceed NC 2L groundwater standards or NC 2B surface water standards. The notification must include a preliminary analysis of the cause and significance of each value. (e.g. naturally occurring, off -site source, pre-existing condition, etc.). • Attach a notification table of any groundwater or surface water values that equal or exceed the reporting limits. • Attach a notification table of any methane gas values that attain or exceed explosive gas levels. This includes any structures on or nearby the facility (NCAC 136 .1629 (4)(a)(i). • Send the original signed and sealed form, any tables, and Electronic Data Deliverable to: Compliance Unit, NCDENR-DWM, Solid Waste Section, 1646 Mail Service Center, Raleigh, NC 27699-1646. Solid Waste Monitoring Data Submittal Information Name of entity submitting data (laboratory, consultant, facility owner): S&ME, Inc. (consultant) Contact for questions about data formatting. Include data preparer's name, telephone number and E-mail address: Name: Sam Watts, PG Phone: 919-872-2660 E-mail: swatts@smeinc.com NC Landfill Rule: Actual sampling dates (e.g., Facility name: Facility Address: Facility Permit # (.0500 or .1600) October 20-24, 2006) Sorrells Landfill SR 1303 (near 8000 Smith Rd) 92-04 .1600 October 21, 2022 Apex, NC Environmental Status: (Check all that apply) ❑ Initial/Background Monitoring ❑ Detection Monitoring �x Assessment Monitoring Corrective Action of data submitted: (Check all that apply) Groundwater monitoring data from monitoring wells Groundwater monitoring data from private water supply wells Leachate monitoring data El water monitoring data Methane gas monitoring data Corrective action data (specify) Other(specify) Notification attached? No. No groundwater or surface water standards were exceeded. x Yes, a notification of values exceeding a groundwater or surface water standard is attached. It includes a list of groundwater and surface water monitoring points, dates, analytical values, NC 2L groundwater standard, NC 2B surface water standard or NC Solid Waste GWPS and preliminary analysis of the cause and significance of any concentration. Yes, a notification of values exceeding an explosive methane gas limit is attached. It includes the methane monitoring points, dates, sample values and explosive methane gas limits. Certification To the best of my knowledge, the information reported and statements made on this data submittal and attachments are true and correct. Furthermore, I have attached complete notification of any sampling values meeting or exceeding groundwater standards or explosive gas levels, and a preliminary analysis of the cause and significance of concentrations exceeding groundwater standards. I am aware that there are significant penalties for making any false statement, representation, or certification including the possibility of a fine and imprisonment. Samuel P. Watts, PG Project Manager / S&ME, Inc. (919) 872-2660 Facility Representative NargeArigt) �^ fr Title / I (Area Code) Telephone Number 7]-- j �3 A ' d/ Professional Geologist Seal CA Signature Date `:astsEN -•� s 3201 Spring Forest Road, Raleigh, NC 27616 Facility Representative Address z F-0176 �A NC PE Firm License Number (if applicable effective May 1, 2009) Revised 6/2009 October 2022 Semi -Annual Monitoring Sorrell Landfill (DWM Permit No. 92-04) Apex, Wake County, North Carolina S&ME Project No. 1054-07-251 s� January 6, 2023 NCDEQ — DWM, Solid Waste Section 1646 Mail Service Center Raleigh, NC 27699 Attention: Ms. Jaclynne Drummond Reference: October 2022 Semi -Annual Monitoring Sorrell Landfill (DWM Permit No. 92-04) Apex, Wake County, North Carolina S&ME Project No. 1054-07-251 Dear Ms. Drummond: via email: iaclynne.drummond@ncdenr.gov On behalf of Sorrell Grading Company, S&ME, Inc. is submitting the enclosed report documenting the semiannual sampling of groundwater and surface water, conducted at Sorrell Landfill on October 31, 2022. This report is provided as a portable document file (PDF) and includes the laboratory data as an excel file following the Solid Waste Section's electronic data deliverable (EDD) template. Our services were performed in general accordance with S&ME Proposal No. P4258-07V, dated April 25, 2007, and S&ME's letter Cost Estimate for 2022 Semiannual Groundwater and Surface Water Sampling Events, dated March 28, 2022. Please contact me if you have any questions regarding this report, or if we may be of further assistance. Sincerely, S&ME, Inc. Devin B. Kehoe Staff Professional dkehoe@smeinc.com Cc: James Easthom (ieasthom@kennoncraver.com) Teresa Sorrell Atkins (tandgatkins@aol.com) C::7,�Wt /C-*, Samuel P. Watts, P.G. Senior Project Manager swatts@smeinc.com S&ME, Inc. 13201 Spring Forest Road I Raleigh, NC 27616 1 p 919.872.2660 1 www.smeinc.com October 2022 Semi -Annual Monitoring s Sorrell Landfill (DWM Permit No. 92-04) s Apex, Wake County, North Carolina S&ME Project No. 1054-07-251 Table of Contents ♦ EXECUTIVE SUMMARY................................................................................................1 1.0 Introduction.......................................................................................................................3 2.0 General Physiography......................................................................................................4 2.1 Site Topography.............................................................................................................................4 2.2 Regional Geology........................................................................................................................... 4 2.3 Site Geology and Hydrogeology.................................................................................................. 5 2.4 Groundwater Table........................................................................................................................ 5 2.5 Hydraulic Gradient and Groundwater Flow Velocity Calculations ....................................... 6 HydraulicGradient....................................................................................................................................................6 GroundwaterFlow Velocity.......................................................................................................................................6 2.6 Surface Water..................................................................................................................................7 3.0 Sampling Program............................................................................................................8 4.0 Field Parameters................................................................................................................8 4.1 Specific Conductivity.....................................................................................................................9 4.2 pH..................................................................................................................................................... 9 4.3 Temperature.................................................................................................................................... 9 4.4 Turbidity........................................................................................................................................10 5.0 Analytical Results...........................................................................................................10 5.1 Groundwater.................................................................................................................................10 5.2 Surface Water................................................................................................................................11 6.0 Quality Control Samples...............................................................................................11 7.0 Statistical Analysis..........................................................................................................12 8.0 Summary...........................................................................................................................12 8.1 Groundwater Results...................................................................................................................12 8.2 Surface Water Samples................................................................................................................13 9.0 Recommendations...........................................................................................................13 Appendices Appendix I — Figures Appendix II — Tables Appendix III — Laboratory Reports Appendix IV — Hydraulic Gradient/ Groundwater Flow Velocity Calculations January 6, 2023 ii s October 2022 Semi -Annual Monitoring Sorrell Landfill (DWM Permit No. 92-04) s Apex, Wake County, North Carolina S&ME Project No. 1054-07-251 EXECUTIVE SUMMARY S&ME, Inc. (S&ME) is contracted by the Sorrell Grading Company and The Estate of Mr. Clyde E. Sorrell, Senior, (Sorrell) to provide semi-annual groundwater and surface water monitoring services at Sorrell Landfill located off of Smith Road (S.R 1303) near Apex, North Carolina. This monitoring event was performed on October 31, 2022. These services were performed in general accordance with the Water Quality Monitoring Plan (WQMP) prepared in June 1996 by Trigon Engineering Consultants, Inc. as modified by the request for additional sampling locations made by representatives of NCDEQ-DWM, and NCDEQ's Water Quality Monitoring Requirements Letter, dated April 29, 2003. The landfill is currently in an assessment monitoring program because of the detection of contaminants in monitor well samples in excess of North Carolina Groundwater Protection Standards. During the October 2022 monitoring event, one background well (MW-1 R), five compliance wells (DW-1, MW-5, MW-6, MW-8 and MW-9), one off -site assessment well (GP-10) and two surface water sampling locations (SW-1 and SW-2) were sampled. Based on groundwater elevations measured during the October 2022 sampling event, the overall groundwater flow at the landfill is to the northwest at an average velocity of 35.48 feet per year (ft/yr). Deep well DW-1 is installed within the bedrock aquifer near MW-8 along the facility's southern boundary to delineate the vertical extent of landfill contaminants that may be migrating from the landfill cell. A comparison of groundwater elevations in DW-1 and MW-8 indicates that an upward gradient continues to exist between the two water -bearing zones in the vicinity of these wells. Due to the upward gradient in the vicinity of DW-1, contaminants are unlikely to migrate downward. Current analytical data of groundwater quality at DW-1 supports this premise. Groundwater and surface water samples were analyzed for constituents listed in 40 CFR 258, Appendix I Constituents for Detection Monitoring (Appendix 1). The groundwater samples from monitor wells MW-8 and GP-10 were additionally analyzed for the Appendix II List of Hazardous Inorganic and Organic Constituents (Appendix II) for assessment monitoring. The laboratory analytical results for the groundwater samples were compared to the maximum allowable concentrations promulgated in the State of North Carolina groundwater standards as presented in 15A North Carolina Administrative Code, Subchapter 2L (15A NCAC 2L), hereafter referred to as the 2L Standards or the Solid Waste Groundwater Protection Standards (GWPST) established in accordance with the Solid Waste Rules Section .1634(h). The surface water sample analytical results were compared to the maximum allowable concentrations promulgated in the North Carolina Surface Water Class C standards found in 15A NCAC 2B (213 Standards). From the groundwater samples collected in October 2022, five constituents were detected at concentrations greater than their respective 2L Standards: benzene, tetrachloroethene, trichloroethene, vinyl chloride, and cobalt. The constituent chlorodibromomethane was detected above the 2L Standard in the trip blank and equipment blank but was not detected in any groundwater samples. No organic constituents on the Appendix II list were detected above the laboratory method detection limits (MDLs). For surface water samples, the metals barium and vanadium were detected above the MDL in the samples from the upstream (SW-1) surface water monitoring location and from the downstream (SW-2) surface water monitoring location, however both constituents in both locations were less than their respective 2B Standard. The VOC 1,4-dioxane was detected greater than the laboratory MDL, but less than the 2L Standard from the surface January 6, 2023 October 2022 Semi -Annual Monitoring Sorrell Landfill (DWM Permit No. 92-04) Apex, Wake County, North Carolina S&ME Project No. 1054-07-251 s 0 s water sample from the downstream (SW-2). VOCs acetone and methyl -ethyl -ketone were detected above the MDL but below the 2B Standard in the upstream (SW-1). No other targeted constituents were detected above their respective laboratory MDLs in the two surface water samples collected. The frequency and number of metals detected at the site have declined since low -flow sampling procedures were implemented in 1999. The inorganic constituents that continue to be detected at concentrations greater than NC Water Quality standards appear to represent naturally occurring concentrations in groundwater. It is recommended that the use of low flow sampling methods be continued and that monitoring for inorganics be limited to Appendix I inorganic constituents (no cyanide or sulfide) at the facility's monitor wells and surface water monitoring points. VOCs have been detected in samples collected from well MW-8 since the well was installed in 2001. The consistent detection of VOCs at MW-8 indicates that a source or sources of VOCs may be present at or near this well. Additional assessment of surrounding properties was conducted in October 2008 to further evaluate the extent of the groundwater contamination near MW-8. VOCs were detected above the 2L Standards in the off -site groundwater assessment monitor wells in October 2008 and subsequent monitoring events. An assessment of corrective measures and corrective action should be performed to address the groundwater contamination near MW-8. In the meantime, it is recommended that groundwater monitoring at MW-8 continue to monitor for Appendix II VOCs. Sampling of the off -site assessment wells in the vicinity of MW-8 (i.e., GP-8, GP-9, and/or GP- 10) should continue to be included as part of the regular compliance monitoring to monitor the extent, movement and concentration of chemicals in groundwater in the general vicinity of MW-8. S&ME recommends that semi-annual assessment monitoring of groundwater and surface water be continued at the Sorrell Landfill. Currently, six monitor wells and two surface water locations are sampled at Sorrell Landfill to fulfill the monitoring requirements as required by North Carolina Solid Waste Management Rule .1634. It is our understanding that the Wake County Department of Environmental Services, Water Quality Division regularly samples the potable wells on the adjacent properties to the south of the landfill (Dye and Herndon properties) as a precautionary measure to protect the users of these potable wells. S&ME recommends the results of this sampling event be provided to Wake County for consideration in deciding protective measures for the nearby potable wells and their users. January 6, 2023 s October 2022 Semi -Annual Monitoring Sorrell Landfill (DWM Permit No. 92-04) s Apex, Wake County, North Carolina S&ME Project No. 1054-07-251 1.0 Introduction S&ME, Inc. (S&ME) was contracted by the Sorrell Grading Company and The Estate of Mr. Clyde E. Sorrell, Senior, (Sorrell) to provide groundwater and surface water monitoring services at Sorrell Landfill located off of Smith Road (S.R 1303) near Apex, North Carolina (Figure 1). The sampling for this monitoring event was completed on October 31, 2022. The services were performed in accordance with the facility's revised Water Quality Monitoring Plan (WQMP) prepared in February 1996 by Trigon Engineering Consultants, Inc. Section 4.0 of the WQMP outlined the sampling and analysis plan (SAP) to be used to monitor groundwater and surface water in the vicinity of the landfill. The landfill is currently in an assessment monitoring program because of the detection of contaminants in monitor well samples at concentrations exceeding 2L Standards. In accordance with the approved WQMP, four baseline sampling events were performed in May, June, July, and August 1999. During each of those sampling events, groundwater samples were collected from two upgradient (background) wells (MW-1 R and MW-4), and three downgradient (compliance) wells (MW-5, MW-6, and MW-7). A surface water sample was collected at one down -gradient surface water monitoring point (SW-2). Groundwater and surface water samples collected during the four 1999 sampling events were analyzed for constituents listed in 40 CFR 258, Appendix I Constituents for Detection Monitoring (Appendix 1). The sample results and subsequent statistical analyses performed for the 1999 sampling rounds constitute the baseline for the semi-annual sampling events being conducted during the post -closure period. The baseline sample results submitted to the North Carolina Department of Environmental Quality, Division of Waste Management (NCDEQ-DWM) on April 9, 2001, indicated that one or more constituents listed in Appendix I were detected at statistically significant levels. Based on the results of the baseline sampling events, assessment monitoring was conducted at Sorrell Landfill during four subsequent sampling events (April 2001, December 2001, April/May 2002, November 2002) for the constituents listed in 40 CFR 258, Appendix II List of Hazardous Inorganic and Organic Constituents (Appendix 11) as promulgated in Section .1634. At the request of the DWM, beginning with the December 2001 sampling event and continuing with the April/May 2002 and November 2002 events, S&ME also collected groundwater samples from two new monitor wells- one shallow well (MW-8) and one deep well (DW-1), that were installed along the facility's southern property boundary. Both wells are located approximately between the southern edge of the landfill cell and the closest residential well. Based on measured monitor well water elevations obtained during performance of the 2001 and 2002 sampling events, and potentiometric mapping of the shallow aquifer, it appears that monitor wells DW-1 and MW-8 are hydraulically cross -gradient of the landfill. However, for the purposes of this report, wells MW-8 and DW-1 are reported as compliance wells. Following the November 2002 sampling event, S&ME recommended revising the number of sampling locations, the sampling frequency, and the laboratory analysis performed at each sampling location. In a letter dated April 23, 2003, the Section approved these revisions. Based on the revised monitoring plan, one background well (MW- 1 R), five compliance wells (DW-1, MW-5, MW-6, MW-7, and MW-8), and two surface water locations (SW-1 and SW-2) were to be monitored. Subsequently, S&ME determined that monitor well MW-7 was located either in or immediately adjacent to the landfill wastes. Therefore, S&ME recommended, on behalf of Sorrell, that the sampling of MW-7 be suspended and that a new compliance well be installed in that area. In a letter dated May 10, 2004, the Section concurred with that opinion. Monitor well MW-9 was installed on September 18, 2007 and January 6, 2023 October 2022 Semi -Annual Monitoring Sorrell Landfill (DWM Permit No. 92-04) Apex, Wake County, North Carolina S&ME Project No. 1054-07-251 s 0 s has replaced MW-7 as the compliance well along the northern portion of the landfill. Well MW-7 remains in place for measuring water levels. This report presents the methods used and the results of the sampling event conducted by S&ME during the October 2022 sampling event at the facility, which included the sampling of one background well (MW-1 R), five compliance wells (DW-1, MW-5, MW-6, MW-8, and MW-9), one off -site assessment well (GP-10) and two surface water sampling locations (SW-1 and SW-2). 2.0 General Physiography Some of the general background information presented in this section has been compiled from the Water Quality Monitoring Plan prepared in June 1996 by Trigon Engineering Consultants, Inc., from the Preliminary Explanatory Text for the 1985 Geologic Map of North Carolina (1988) prepared by The North Carolina Geological Survey; and from Geology of the Carolinas (1991) by Horton and Zullo. The information presented herein has been modified for brevity and is intended to provide general background information, particularly regarding regional topography, geology, and hydrogeology. 2.1 Site Topography The landfill site is located southeast of Apex, North Carolina in southwestern Wake County (Figure 1). At its highest point, the landfill extends approximately 30 to 45 feet in elevation above the surrounding natural ground surface. The natural ground surface elevations at the site prior to construction of the landfill ranged from 400 to 460 feet above Mean Sea Level (MSL). The current landfill cap surface slopes gently downward to the southwest to an approximate elevation of 490 feet above MSL (Figure 2). 2.2 Regional Geology The site is located in the eastern portion of the Piedmont physiographic province. In Wake County, the land surface is evenly divided between flat to gently rolling inter -stream areas and valleys. Soil and weathered rock typically extend downward to depths up to 60 feet below ground surface (ft-bgs). Outcrops of hard bedrock are rare, and most are confined to streambeds and excavations. Bedrock at the site area has been characterized as part of the Carolina Slate Belt. The Carolina Slate Belt in this portion of the county consists primarily of predominately low-grade felsic meta -volcanic and meta-epiclastic rocks, presumed to have originated from a sub -aqueous, volcanic arc environment. Primary rock types include metamorphosed argillites, mudstone, volcanic sandstone, and conglomerate. Approximately one-half mile to the west, an unconformity identified as the Jonesboro Fault separates the Carolina Slate Belt from Triassic claystone and siltstone sediments. Cretaceous -age Coastal Plain sediments immediately overlie the basement rocks in the southern and eastern portion of the site. Middendorf units include deposits of sand, sandstone, and mudstone. Beds are laterally discontinuous with inter -fingering cross -bedding common in the upper units. January 6, 2023 4 s October 2022 Semi -Annual Monitoring Sorrell Landfill (DWM Permit No. 92-04) s Apex, Wake County, North Carolina S&ME Project No. 1054-07-251 2.3 Site Geology and Hydrogeology The site lies on the western edge of the Neuse River basin. Surface water run-off from the site flows to the west into Middle Creek. Surface water then flows to the south and east toward the confluence of Middle Creek and the Neuse River near Smithfield, NC. The unconfined aquifer in western Wake County is typically present in the unconsolidated subsurface residual soils to an approximate depth of 30 ft-bgs, depending on the topography. Shallow groundwater flow patterns in the vicinity of the landfill have been evaluated through a series of shallow downgradient monitor wells finished at depths ranging between approximately 14 to 27 ft-bgs and approximately 45 ft-bgs in an upgradient well (MW- 1 R). The depth to groundwater varies from just below the ground surface in the downgradient wells located on the western side of the landfill to approximately 22 ft-bgs on the eastern (upgradient) side of the landfill at MW- 1 R. A nested well pair, one shallow well (MW-8) and one deep well (DW-1) is approximately located between the edge of the landfill cell and residential wells installed along the facility's southern property boundary line (Figure 2). The shallow monitor well (MW-8) was installed into the overlying sandy silt and is believed to monitor the same shallow unconfined aquifer monitored by the other wells previously installed at the site. Monitor well DW-1 is the only well installed into the bedrock aquifer at the site. At the location of DW-1, the soil immediately beneath the ground surface was classified as sandy silt and silt to a depth of approximately 54 feet bgs. Underlying the sandy silt and silt is partially weathered meta -volcanic and metasedimentary rock of various degrees of weathering, extending to approximately 66 feet bgs, where more competent bedrock was encountered. The underlying competent rock is bluish schist with quartz, muscovite, biotite, and hornblende minerals, and was observed to a depth of 101 feet bgs, where the deep boring was terminated. During installation of DW-1, water -bearing fractures were observed in the bedrock at 78 feet bgs and 99 feet bgs. Based on field estimates by S&ME, the water -bearing zone at 78 feet bgs produced approximately one gallon per minute (gpm) and the water -bearing zone at 99 feet produced approximately six gpm. 2.4 Groundwater Table Prior to sampling for this monitoring event, each well was examined for its general integrity, including protection from surface water inflow, well identification tag, vented cap, lock, and general well security. Each well was opened and the depth to the water in the well was measured from a referenced mark on the top of the PVC well casing using an electronic water level indicator. The water elevation at each well was calculated by subtracting the depth measurement from the elevation of the referenced top of casing. Table 1 presents data on the depth to groundwater measurements and groundwater elevation calculations for each of the monitor wells sampled during the October 2022 sampling event and the groundwater elevation calculations at each of the methane monitor wells. The shallow groundwater is defined in this report as the water -bearing zone located in the soil regime beneath and in the vicinity of the landfill. The depth to the shallow groundwater was measured in the background well (MW-1 R) and in the compliance wells (MW-5, MW 6, MW-8 and MW-9) during the sampling event. Depth to groundwater was also measured in the deep compliance well DW-1. However, this well monitors a separate water -bearing zone within the bedrock aquifer and is not representative of the shallow groundwater. In addition January 6, 2023 October 2022 Semi -Annual Monitoring Sorrell Landfill (DWM Permit No. 92-04) Apex, Wake County, North Carolina S&ME Project No. 1054-07-251 s 0 s to the depth -to -water measurements taken at these groundwater monitor wells, depth -to -water measurements were also taken at fourteen groundwater piezometers (GP-7, GP-7D, GP-8, GP-9, GP-10, GP-1 OD, GP-11, GP-12, GP-12D, GP-13, GP-13D, GP-14, GP-15 and GP-16) installed along the southern boundary of the landfill. These piezometers were used to assess groundwater quality and groundwater elevations in the vicinity of MW-8 and methane gas monitor wells to supplement the water elevation data. A complete list of monitor wells and methane gas monitor wells with the associated groundwater elevation calculation is presented on Table 1. 2.5 Hydraulic Gradient and Groundwater Flow Velocity Calculations The well water elevations and our interpretation of the water table surface expressed as a potentiometric map along with groundwater flow direction are shown on Figure 2. Based upon the groundwater elevations in the vicinity of the landfill cell, groundwater in this area is projected to flow northwest toward an unnamed tributary of Middle Creek, which is consistent with historical groundwater potentiometric data. Hydraulic Gradient The average horizontal hydraulic gradient was calculated from three-point calculation solutions using two well sets of groundwater elevation data measured during the October 31, 2022 sampling event and by applying the following equation (Driscoll, 1986): Where: i=hl-h2 i = Hydraulic gradient h1 - h2 = Difference in hydraulic head (feet) L = Distance along flow path (feet) The three-point calculation is used to estimate the hydraulic gradient perpendicular to a groundwater potentiometric contour of equal elevation determined from high, intermediate, and low groundwater elevations at three monitor wells. The gradient calculated perpendicular to the equal elevation contour plotted from the well set is representative of a true gradient rather than the apparent gradient that is estimated from a two -point gradient calculation. Based on the Driscoll gradient equation and using a third groundwater elevation to plot the equal elevation contour, the distance L can be measured between h1 and h2 perpendicular to the equal elevation contour to estimate the true hydraulic gradient for the three groundwater elevation data points. The average horizontal hydraulic gradient is typically calculated from two three-point solutions using well sets MW-1 R, MW-9, and MW-4, and MW-8, MW-5 and MW-6. Using MW-1 R, MW-4, and MW-9; and MW-8, MW-5, and MW-6 the average hydraulic gradient is estimated to be 0.0277 ft/ft. This gradient is similar to the hydraulic gradient previously calculated for the site. The hydraulic gradient calculations are included in Appendix IV. Groundwater Flow Velocity An approximate average linear groundwater flow velocity (v) may be calculated by the equation (Freeze and Cherry, 1979): v = Ki January 6, 2023 October 2022 Semi -Annual Monitoring Sorrell Landfill (DWM Permit No. 92-04) Apex, Wake County, North Carolina S&ME Project No. 1054-07-251 Where: v = Average linear groundwater flow velocity [feet per day (ft/day)] K = Hydraulic conductivity (ft/day) i = Flow gradient as a ratio (ft/ft), n = Effective soil porosity (percent) s 0 s Aquifer slug tests were previously performed in monitor wells MW-6, MW-7, MW-8, MW-9 and DW-1 at the site by S&ME using rising and falling head test techniques. The slug test data were used to estimate the hydraulic conductivity of the sediments in the surficial aquifer intersected by the screened intervals of the monitor wells tested. The aquifer test data were analyzed by the Bouwer and Rice Method. As summarized on Table 2, the average hydraulic conductivity values previously measured at the site ranged from 4.00x10-4 centimeters per second (cm/sec) to 1.86x10-4 cm/sec. The groundwater flow velocity was calculated for the site using the average hydraulic conductivity values measured at the site; the average hydraulic gradient of 0.0277 ft/ft, calculated from the three-point calculation described above; and an effective porosity of 20%. Groundwater flow velocities calculated during the October 31, 2022 sampling event ranged from 27.46 feet per year (ft/yr) between monitor wells MW-8 and MW-5 to 53.14 ft/yr between monitor wells MW-1 R to MW-9, resulting in an average velocity of 38.20 ft/yr based on the calculations that were performed using the equation and input values above. This velocity is similar to previous groundwater velocities calculated for the site. The calculated hydraulic gradients and groundwater flow velocities are presented in Table 3. As previously discussed, monitor wells MW-8 and DW-1 were installed in December 2001 along the facility's southern boundary based on hydrologic data available at the time and the relative position of the landfill and the nearby potable wells. Monitor well MW-8 was intended to serve as a point of compliance between the landfill and residential wells installed adjacent to the site's southern property boundary. However, as shown on Figure 2, static water levels measured during the October 2022 sampling event indicate that MW-8 may be located hydraulically cross -gradient of the landfill cell. DW-1 is the only monitor well installed on site within a separate water -bearing zone contained within the bedrock aquifer and was installed to delineate the vertical extent of landfill contaminants that may be migrating from the landfill cell. As shown on Table 1, the groundwater elevation in DW-1 was observed to be 3.28 feet higher than the groundwater elevation in MW-8 during the October 2022 sampling event. This difference in groundwater elevations, representing hydraulic head, indicates that an upward gradient exists between the two water -bearing zones in the vicinity of these two wells. This upward flow component has been observed at these two wells since they were installed in December 2001. 2.6 Surface Water The site is located just south of an unnamed tributary that flows southwest into Middle Creek. Middle Creek flows to the southeast, eventually emptying into the Neuse River near Smithfield, North Carolina. The unnamed tributary is the only surface body to receive surface water runoff from the landfill. S&ME selected two surface water collection points along the unnamed tributary. One sample collection point (SW-1) is located hydraulically January 6, 2023 7 October 2022 Semi -Annual Monitoring Sorrell Landfill (DWM Permit No. 92-04) Apex, Wake County, North Carolina S&ME Project No. 1054-07-251 s 0 s upgradient from the landfill. The other sample collection point (SW-2) is located hydraulically downgradient from the landfill. During the October 2022 sampling event, surface water samples were collected from both sample locations. Surface water sample collection points SW-1 and SW-2 are shown on Figure 2. 3.0 Sampling Program In accordance with 15A NCAC 13 B, § .1632, and the approved groundwater and surface water SAP for the facility, the following sections describe the procedures used for the collection of groundwater and surface water samples during the sampling event. S&ME sampled surface water from the up -gradient and down -gradient collection points along an unnamed tributary of Middle Creek (SW-1 and SW-2), one background well (MW-1 R), four shallow and one deep compliance wells (MW-5, MW-6, MW-8, MW-9 and DW-1) on October 31, 2022. One shallow off -site groundwater assessment well (GP-10) was also sampled during the October 2022 sampling event. The monitor wells at the landfill were sampled using a low -flow peristaltic pump equipped with polyethylene tubing. Prior to sampling each of the wells, the groundwater was purged at a rate of approximately 200 milliliters per minute until the turbidity was reduced to less than 10 Nephelometric Turbidity Units (NTUs) where it was achievable. Stabilization of the selected field parameters was defined as a variance of less than 10 percent in three successive readings recorded five minutes apart. Monitor well MW-1 R was sampled with a polyethylene bailer due to an increased depth -to -water. The surface water samples from the creek were collected using laboratory -supplied 1-liter bottles dipped directly into the stream as collection devices. The water was then poured into laboratory -prepared vials and bottles. At the completion of sampling, S&ME delivered the samples to Environmental Conservation (ENCO) Laboratories in Cary, North Carolina for the following analytical lists: MW-1 R, MW-5, MW-6, MW-9, DW-1, SW-1, and SW-2 were analyzed for constituents listed in Appendix 1 (40 CFR 258); and • MW-8 and GP-10 were analyzed for constituents listed in Appendix II (40 CFR 258). Laboratory analytical methods for Appendix I constituents included EPA Method 6010D/6020B (metals) and Method 8260D volatile organic compounds (VOCs). Laboratory analytical methods for Appendix II constituents included the Appendix I constituent list, plus Method 8270E (SVOCs), Method 7470A (mercury), Method 9014 (cyanide) and SM18 4500-52 D-2011 (sulfide). The analytical results reported from this sampling event are discussed in subsequent sections of this report. 4.0 Field Parameters Specific conductivity, pH, temperature, dissolved oxygen, oxygen reduction potential and turbidity were measured in the field during well purging prior to sample collection. The normal sampling protocol includes purging the January 6, 2023 October 2022 Semi -Annual Monitoring Sorrell Landfill (DWM Permit No. 92-04) Apex, Wake County, North Carolina S&ME Project No. 1054-07-251 s 0 s shallow monitor wells with a peristaltic pump at a rate of approximately 200 mL/min. until the turbidity was reduced to less than 10 NTUs (where achievable) and the selected field parameters stabilize. Field parameters recorded just prior to collecting the groundwater samples are summarized in Table 4 and discussed in the following sections. 4.1 Specific Conductivity Specific conductivity (conductance) is a measurement of the ability of a solution to pass an electrical current. Dissolved inorganic anions and cations such as chloride, nitrate, sulfate, phosphate, sodium, calcium, aluminum, and iron increase the ability of water to carry a current. Therefore, conductivity is related to the amount of total dissolved solids in the water. Waters percolating through a landfill cell typically become enriched with dissolved solids, which are reflected by increased conductivity values. Typically, specific conductivity measures the presence of common ions such as chloride and sulfate that are not necessarily indicative of hazardous constituents. During the October 2022 sampling event, the specific conductance measured in the background well (MW-1 R) was 0.027 milliSiemens per centimeter (mS/cm). Measurements in the one deep compliance well (DW-1) was 0.068 mS/cm. The specific conductance measured in the four shallow compliance wells (MW-5, MW-6, MW-8 and MW-9) ranged from 0.021 mS/cm (MW-9) to 0.314 mS/cm (MW-5). The specific conductance measured off -site assessment well (GP-10) was recorded as 0.095 mS/cm. The highest groundwater conductivity value (0.314 mS/cm) was measured in well MW-5. In general, conductivity readings are within the typical range of values that would be expected to occur in shallow groundwater flow under natural conditions in the Eastern Piedmont region. 4.2 pH The pH is a measurement of the hydrogen ion concentration. Values lower than pH=7 indicate increasingly acidic conditions and values higher than pH=7 indicate increasingly alkaline conditions. The pH may strongly influence the activity of certain chemical reactions and the solubility and mobility of metals. The pH of the groundwater in the landfill wells was measured just prior to sample collection. The pH reading in the background well (MW-1 R) was measured as 4.6. The pH measured in the four shallow compliance wells (MW- 5, MW-6, MW-8 and MW-9) ranged from 4.0 (MW-8) to 6.2 (MW-5). The pH in the off -site monitoring well (GP- 10) measured 5.5. The pH measured in the deep compliance well (DW-1) was recorded as 5.5. The pH values are within the range that would be expected for shallow groundwater conditions in the Eastern Piedmont region. 4.3 Temperature Groundwater temperature collected from the background well was 16.6°C (MW-1 R). Groundwater temperatures recorded from samples collected from the four shallow compliance wells (MW-5, MW-6, MW-8, and MW-9) ranged from 16.8°C (MW-9) to 18.7°C (MW-8). Temperature measured in the deep compliance well (DW-1) was 17.8°C. Temperature measured in the off -site assessment well (GP-10) was 17.9°C. Where the aquifer is near the ground surface, groundwater temperatures may be closely related to seasonal temperature variations and the presence or absence of vegetative ground cover. January 6, 2023 October 2022 Semi -Annual Monitoring Sorrell Landfill (DWM Permit No. 92-04) Apex, Wake County, North Carolina S&ME Project No. 1054-07-251 s 0 s Groundwater temperature directly affects the solubility of oxygen and other geochemical constituents. The solubility of dissolved oxygen is temperature -dependent, with oxygen being more soluble in cold water than in warm water. Groundwater temperature also affects the metabolic rate of bacteria. Rates of biodegradation almost double for every 100 C increase in temperature between 5 °C and 25 °C. Elevated temperatures may also be an indication of significant microbiological activity. 4.4 Turbidity Nephelometric turbidity was added to the list of field parameters for selected wells after the May 1999 sampling event detected higher than expected concentrations of metals. Because the samples collected from monitor wells MW-1 R and MW-6 during the initial baseline sampling event were turbid, the suspended soil particles present in the groundwater could contribute to elevated concentrations of metals reported by the laboratory. Therefore, a turbidity value of 10 NTUs or less was established as a goal while purging and prior to collecting a groundwater sample. During the October 2022 sampling event, the target value of 10 NTUs was not achieved in monitor well MW-1 R, which was recorded at > 1100 NTUs. Groundwater turbidity recorded just prior to sample collection in the shallow compliance wells (MW-5, MW-6, MW-8 and MW-9) ranged from 0.00 NTUs (MW-8) to 3.27 NTUs (MW-6). The turbidity level measured in the deep compliance well (DW-1) was recorded as 0.01 NTUs. The turbidity level measured in the off -site assessment well (GP-10) was recorded as 3.56 NTUs. 5.0 Analytical Results S&ME sampled one upgradient (background) well; four shallow and one deep downgradient (compliance) wells; two surface water locations; and one off -site groundwater assessment well on October 31, 2022. The samples were analyzed by ENCO Laboratories for constituents listed in Appendix I of 40 CFR 258. The groundwater sample from compliance well MW-8 and the off -site assessment well GP-10 were additionally analyzed for Appendix 11 SVOCs, mercury, cyanide and sulfide. Laboratory analytical methods included EPA Method 6010D/6020B (metals), Method 8260D (VOCs), Method 8270E (SVOCs), Method 7074A (mercury), Method 9014 (cyanide), and SM18 4500-52 D-2011 (sulfide). The analytical results for the groundwater and surface water samples collected and analyzed in October 2022 are detailed below. A copy of the analytical laboratory report is provided in Appendix III. 5.1 Groundwater Groundwater sample analytical results were compared to the 2L Standards and to the GWPST established in accordance with the Solid Waste Rules Section .1634(h). The analytical results for the October 2022 sampling event are summarized on Table 5. For the October 2022 sampling event, six constituents were detected at concentrations greater than their respective 2L Standards: benzene (1.8 pg/L in MW-8 and 1.9 pg/L for DUPLICATE), tetrachloroethene (22 pg/L in MW-8 and 24 pg/L for DUPLICATE), trichloroethene (14 pg/L in MW-8), vinyl chloride (2.9 pg/L in MW-8 and 3.4 pg/L for DUPLICATE), and cobalt (4.4 pg/L in MW-8, 1.4 pg/L in MW-9, and 13 in GP-10). The laboratory analytical results indicated that the concentration of cobalt in MW-8 and MW-9 were below their respective laboratory January 6, 2023 10 October 2022 Semi -Annual Monitoring Sorrell Landfill (DWM Permit No. 92-04) Apex, Wake County, North Carolina S&ME Project No. 1054-07-251 s 0 s reporting limit. Constituents reported at concentrations below the reporting limit are flagged with a "J", indicating an estimated concentration. It is important to note that the laboratory method detection limits (MDL) for vinyl chloride and cobalt were 0.40 pg/L and 1.40 pg/L respectively which are greater than their respective 2L Standards of 0.03 pg/L and 1.0 pg/L. Therefore, vinyl chloride and cobalt may have been present at concentrations above the 2L Standard but reported below the MDL. 5.2 Surface Water The surface water samples were compared to the North Carolina Class C surface water standards as promulgated in 15A NCAC 2B (213 Standards). The surface water sample results for the October 2022 sampling event are summarized in Table S. The inorganic constituents barium and vanadium were detected above their laboratory MDLs but below their 2B Standards in the samples from the upstream (SW-1) and downstream (SW-2) surface water monitoring locations during the October 2022 sampling event. Two organic constituents analyzed (Acetone, and 2-Butanone (MEQ were detected at a concentration above the laboratory MDL in the sample from the upstream (SW-1) surface water sampling location during the October 2022 sampling event. One organic constituents analyzed (1,4-dioxane) were detected at a concentration above the laboratory MDL in the sample from the downstream (SW-2) surface water sampling location during the October 2022 sampling event. All detected constituent concentrations were reported with a "J" laboratory qualifier, indicating that the value is an estimated concentration. It is important to note that the laboratory method detection limits (MDL) for vinyl chloride was 0.40 pg/L which is greater than their respective 2B Standard of 0.025 pg/L. Therefore, vinyl chloride may have been present at concentrations above the 2B Standard but reported below the MDL. 6.0 Quality Control Samples Quality control samples are required by the WQMP to demonstrate consistency of the laboratory analytical processes and field sampling methods. During the October 2022 sampling event, in addition to the groundwater sample collected from monitor well MW-8 (record sample), a blind duplicate sample was also collected from monitor well MW-8 (duplicate sample). As shown on Table 5, similar analytes were reported for the record sample and the duplicate sample. To assess the efficacy of the field equipment decontamination procedures, an equipment rinse sample was taken by pumping laboratory supplied deionized water through new polyethylene tubing directly into laboratory supplied containers using a peristaltic pump. The equipment blank sample was analyzed for the full Appendix I analyte list. Two constituents (chlorodibromomethane and dichlorobromomethane) were detected above the laboratory MDL, chlorodibromomethane was detected above the 2L Standard. A trip blank was also included in the quality control samples. The trip blank consisted of water supplied from the laboratory in two 40 ml vials which were kept unopened in the sample cooler throughout the sampling event and analyzed for Appendix I VOCs. The results of the quality control sampling are presented with the analytical results in Appendix III of this report. January 6, 2023 11 s October 2022 Semi -Annual Monitoring Sorrell Landfill (DWM Permit No. 92-04) s Apex, Wake County, North Carolina S&ME Project No. 1054-07-251 7.0 Statistical Analysis Previous monitoring reports submitted to the Section for this facility have included a statistical evaluation of groundwater monitoring data. Statistical analysis was performed to determine whether a statistically significant increase (SSI) above computed Upper Limits calculated from the upgradient background data set had occurred. For this sampling event, no statistical analysis was performed on the data. 8.0 Summary S&ME was contracted by Sorrell to provide groundwater and surface water monitoring services at Sorrell Landfill located just off Smith Road (S.R. 1303) near Apex, North Carolina. Groundwater samples were collected from one upgradient (background) well (MW-1 R), four shallow and one deep downgradient (compliance) wells (MW-5, MW- 6, MW-8, MW-9 and DW-1), and one off -site assessment well (GP-10). Surface water samples were collected from the up -gradient and down -gradient surface water monitoring points (SW-1 and SW-2). As shown on the potentiometric map (Figure 2), groundwater in the vicinity of the landfill is projected to flow north-northwest toward an unnamed tributary of Middle Creek. It should be noted that static water levels measured during the October 2022 sampling event indicate that MW-8 may be located hydraulically cross - gradient of the landfill cell. In addition, the groundwater elevation in DW-1 was observed to be higher than the groundwater elevation in MW-8 during the October 2022 sampling event. The difference in groundwater elevations indicates that an upward gradient exists between the two water -bearing zones in the vicinity of these two wells. These findings are consistent with historical data. Groundwater and surface water samples were analyzed by ENCO Laboratories for constituents listed in Appendix I. The sample from monitor well MW-8 and off -site assessment monitor well GP-10 were also analyzed for constituents listed in Appendix Il. Laboratory analytical methods included EPA Method 6010D/6020B (metals), Method 8260D (VOCs), Method 8270E (SVOCs), Method 7470A (Mercury), Method 9014 (cyanide) and Method SM 4500S2 D-2011 (sulfide). 8.1 Groundwater Results From groundwater samples collected during the October 2022 sampling event, five constituents were detected at concentrations greater than their respective 2L Standards: benzene (1.8 pg/L in MW-8 and 1.9 for DUPLICATE), tetrachloroethene (1.8 pg/L in MW-8 and 1.9 pg/L for DUPLICATE), trichloroethene (22 pg/L in MW-8 and 24 pg/L for DUPLICATE), vinyl chloride (2.9 pg/L in MW-8 and 3.4 pg/L for DUPLICATE), cobalt (4.4 pg/L in MW-8, 1.4 pg/L in MW-9, and 13 pg/L in GP-10). All laboratory analytical results indicated that the concentrations of cobalt were below their respective laboratory reporting limits. Constituents reported at concentrations below the reporting limit are flagged with a "J", indicating an estimated concentration. It is important to note that the laboratory method detection limits (MDL) for vinyl chloride and cobalt were 0.40 pg/L and 1.40 pg/L respectively which are greater than their respective 2L Standards of 0.03 pg/L and 1.0 pg/L. Therefore, vinyl chloride and cobalt may have been present at concentrations above the 2L Standard but reported below the MDL. January 6, 2023 12 s October 2022 Semi -Annual Monitoring Sorrell Landfill (DWM Permit No. 92-04) s Apex, Wake County, North Carolina S&ME Project No. 1054-07-251 8.2 Surface Water Samples From the surface water samples collected during the October 2022 sampling event, two organic constituents analyzed, Acetone and 2-Butanone (MEK) were detected at a concentration above the laboratory MDL in the sample collected from the downstream (SW-1) surface water sampling location during the October 2022 sampling event. One organic constituent analyzed, 1,4-dioxane was detected at a concentration above the laboratory MDL in the sample collected from the downstream (SW-2) surface water sampling location during the October 2022 sampling event. The detected constituent concentrations were reported with a "J" laboratory qualifier indicating that the values are estimated concentrations. The inorganic constituents barium and vanadium was detected above the MDL in the samples from the upstream (SW-1) surface water monitoring location and the downstream (SW-2) surface water sample location during the October 2022 monitoring event. No constituents were detected above their respective 2B Standards in the sample collected from the upstream SW-1 or the downstream SW-2 location. 9.0 Recommendations As required by North Carolina Solid Waste Management Rule .1634, these results should be forwarded to the owner/operator of Sorrell Landfill for inclusion in the operating record and to the NCDEQ Division of Waste Management for their review. In addition to the conclusions presented in previous chapters of this report, S&ME provides the following recommendations: Analytical data since 1999 have demonstrated that the use of low -flow sampling techniques has successfully reduced reported inorganics in the samples to more accurate results. The inorganic constituents that continue to be detected at concentrations greater than NC Water Quality standards appear to represent naturally occurring concentrations in groundwater. Accordingly, it is recommended that monitoring for inorganics continue to be limited to Appendix I inorganic compounds at the facility's monitor wells (no cyanide or sulfide). VOCs have been detected in samples collected from well MW-8 since the well was installed in 2001. The consistent detection of VOCs at MW-8 indicates that a source, or sources, of VOCs may be present at, or near, this well. Additional assessment of surrounding properties was conducted in October 2008 to further evaluate the extent of the groundwater contamination near MW-8. VOCs were detected above the 2L Standards in the off -site groundwater assessment monitor wells in October 2008 and subsequent monitoring events. To monitor the off -site groundwater contamination, four off -site piezometers, GP-8, GP-9, GP-10 and GP-10D, were sampled during the October 2020 sampling event. Of the VOCs detected in compliance well MW-8, none were detected in the sample collected from piezometer GP-9 and GP-10D in the October 2020 sampling event. Several of the VOCs detected in compliance well MW-8 were also detected in off -site piezometers GP-8 and GP-10. An assessment of corrective measures and corrective action should be performed to address the groundwater contamination near MW-8. Groundwater monitoring at MW-8 should continue to be analyzed for Appendix II VOCs and sampling of the off -site assessment wells in the vicinity of MW-8 (i.e., GP-8, GP-9 and /or GP-10) continue to be included as part of the regular compliance monitoring, to monitor the extent, movement and concentration of off -site groundwater contamination. January 6, 2023 13 October 2022 Semi -Annual Monitoring Sorrell Landfill (DWM Permit No. 92-04) Apex, Wake County, North Carolina S&ME Project No. 1054-07-251 s 0 s Surface water quality is monitored upstream and downstream in the vicinity of the landfill at sampling locations SW-1 and SW-2, respectively. None of the Appendix I targeted compounds or metals exceeded its respective 2B Standard. Samples from surface water sampling locations SW-1 and SW-2 should continue to be monitored for the Appendix I organic and inorganic compounds required for detection monitoring. It is our understanding that the Wake County Department of Environmental Services, Water Quality Division regularly samples the potable wells on the adjacent properties to the south of the landfill (Dye and Herndon properties) as a precautionary measure to protect the users of these potable wells. S&ME recommends the results of this sampling event be provided to Wake County for consideration in deciding protective measures for the potable wells and their users. January 6, 2023 14 Appendices Appendix I - Figures 3 w a� LL N O N N N N Ln N L a J J LL z g J J w 0 Appendix II - Tables Q Table 1 111 Static Groundwater Elevations Semi -Annual Assessment Monitoring - October 31, 2022 Sorrell Landfill, Apex, North Carolina S&ME Project No.1054-07-251 Well Number TOC Elevation (Feet MSL) Screened Interval (feet below TOC) Depth to Groundwater (Feet below TOC) Groundwater Elevation (Feet MSL) Groundwater Monitoring Wells MW-1R 482.92 25-45 36.16 446.76 Background Wells MW-4 445.30 12-22 7.59 437.71 MW-5 393.63 7-17 5.41 388.22 MW-6 407.15 7-17 5.97 401.18 MW-7 423.42 13-28 14.59 408.83 Compliance Wells MW-8 463.33 21.9-31.9 27.93 435.40 MW-9 425.82 14-34 18.14 407.68 DW-1 463.18 96-101 24.50 438.68 Groundwater Piezometers GP-7S 471.32 25-35 26.42 444.90 GP-7D 471.33 55-65 26.41 444.92 GP-8 460.39 23-33 25.99 434.40 GP-9 462.19 20.1-30.1 DRY -- GP-10 456.15 15-25 22.91 433.24 GP-101) 456.20 78-88 21.70 434.50 Off -Site GP-11 461.77 23-33 26.71 435.06 Groundwater Monitoring Wells GP-12 466.71 23-33 29.49 437.22 GP-12D 466.72 58-68 29.55 437.17 GP-13 453.70 20-30 20.31 433.39 GP-13D 453.56 59-69 20.33 433.23 GP-14 463.45 25-35 29.03 434.42 GP-15 454.32 18-28 21.54 432.78 ills GP-16 MMW-2 449.99 Methane 471.71 18-28 Monitoring Wells 5-20 17.19 DRY 432.80 --- MMW-3 452.50 3-18 20.02 432.48 Methane Monitoring Wells MMW-4 445.60 3-13 14.42 431.18 MMW-5 437.81 3.5-13.5 DRY --- MMW-6 419.04 5-15 DRY --- Notes: TOC = Top of Casing MSL - Mean Sea Level NM = Not Measured TOC Elevations measured by Bateman Civil Survey, June, 2007. GP-7 - GP-16 installed by S&ME between September 5 & 11, 2008, casing elevations by Bateman Civil Survey, September 11, 2008. Monitoring wells MW-4, MW-5, andMW-6 installed by Law Engineering in October 1991. All other wells were installed by S&ME. MW-9 installed by S&ME on September 18, 2007, casing elevation by Bateman Civil Survey, October 5, 2007. T:1Raleigh-10501Projects12007107-251 Sorrell LandfilllReports12022 October GW SamplinglDeliverablelAppendix II - TableslDraft Sorrell Landfill October 2022 Tables.xlsx Table 2 I _ Summary of Hydraulic Conductivity Values Semi -Annual Assessment Monitoring - October 31, 2022 Sorrell Landfill, Apex, North Carolina S&ME Project No.1054-07-251 Well Number Screened Interval (ft-bgs) Hydraulic Conductivity (K) cm/sec ft/sec ft/day ft/year Background Wells MW-1R 25 - 45' -- -- -- MW-4 12 - 22' -- -- -- Compliance Wells MW-5 7.0 - 17' -- -- -- MW-6 7.0 - 17' 1.86E-04 6.07E-06 0.525 191.47 MW-7 13 - 28' 3.25E-04 1.06E-05 0.917 334.59 MW-8 22 - 32' 4.00E-04 1.31E-05 1.130 412.49 MW-9 14 - 34' 3.86E-04 1.26E-05 1.090 397.85 DW-1 96 - 101' 3.28E-04 1.07E-05 0.924 337.44 Notes: ft-bgs = feet below ground surface ft/sec = feet per second ft/yr = feet per year -- = no site specific hydraulic conductivity values available Hydraulic conductivity for MW-6 and MW-7 obtained from slug tests by S&ME, April 1999. Hydraulic conductivity for MW-8, MW-9 and DW-I obtained from slug tests by S&ME, January/March 2008. Hydraulic conductivity for DW-1 was calculated from transmissivity value using the Cooper-Bredehoeft-Papadopulos solution where K=T/b. T:1Raleigh-10501Projects12007107-251 Sorrell LandfilllReports12022 October GW SamplinglDeliverablelAppendix 11 - TableslDraft Sorrell Landfill October 2022 Tables.xlsx Table 3 Groundwater Velocity Calculations Semi -Annual Assessment Monitoring - October 31, 2022 Sorrell Landfill, Apex, NC S&ME project Number 1054-07-251 Gradient Calculation Segment Monitoring Wells Flow Direction Gradient Segment Length (feet) Gradient Segment Elevations (feet) Horizontal Gradient (i, feet) Effective Porosity (ne) Hydraulic Conductivity (K, cm/sec) Velocity (Vgw, feet/year) MW-1R to 446.76 MW-9 -------------------- 407.68 i 1 NNW 1738 _____ 0.0241 0.2 3.86E-04 47.93 Intermediate 439.30 Well MW-4 MW-8 to 435.40 -------------------- MW-5 388.2------ i 2 WNW 1796 ------ 0.0274 0.2 1.86E-04 26.26 Intermediate 401.2 Well MW-6 Average Hydraulic Gradient= 0.0258 Avg. Velocity = 35.48 feet/year Notes: Horizontal velocities based on the modified Darcy equation Vgw = Ki/ne. Porosity (n,) estimated for residual soils in Carolina Slate Belt Average K value used for background wells and compliance wells Hydraulic Gradient (i) calculated by measuring linear feet between selected contour intervals Ave. Linear Velocity (v) = (1.035E06)K*i/n for units shown To convert cm/sec to ft/yr, multiply n by 1.035E06 T:1Raleigh-10501Projects12007107-251 Sorrell LandfilllReports12022 October GW SamplinglDeliverablelAppendix 11 - Tables\Draft Sorrell Landfill October 2022 Tables.xlsx = 0 Table 4 III E Summary of Field Parameters Semi -Annual Assessment Monitoring - October 31, 2022 Sorrell Landfill, Apex, North Carolina S&ME Project No. 1054-07-251 Field Parameter Well Number Conductivity H Temperature (°C) Turbidity (NTUs) (mS/cm) an MW-1 R 4.6 0.027 16.6 1100 x U C� MW-5 6.2 0.314 17.8 1.63 .� MW-6 6.2 0.160 17.6 3.27 MW-8 4.0 0.067 18.7 0.00 U MW-9 5.0 0.021 16.8 0.00 DW-1 5.5 0.068 17.8 0.01 GP-10 5.5 0.095 17.9 3.56 O SW-1 5.1 0.040 16.7 26.94 zi SW-2 7.2 0.490 15.7 3.60 Notes: pH reported in standard units mS/cm = miliSiemens per centimeter °C = degrees Celsius mg/L = milligrams per liter my = millivolts NTUs = nephelometric turbidity units NM = Not Measured T:1Raleigh-10501Projects12007107-251 Sorrell LandfilllReports12022 October GW SamplinglDeliverable\Appendix 11 - TableslDraft Sorrell Landfill October 2022 Tables.xlsx Table 5 Detected Analytes Semi -Annual Assessment Monitoring - October 31, 2022 Sorrell Landfill, Apex, North Carolina S&ME Project No. 1054-07-251 Sample Type Background Well Compliance Wells Offsite Assessment Welss Quality Control Samples Surface Water Sample Sampling Location MW-1R MW-5 MW-6 MW-8 MW-9 DW-1 GP-10 Trip Blank Equip. Blank Duplicate*** 15 NCAC 2B SW-1 SW-2 Sampling Date 10/31/2022 10/31/2022 10/31/2022 10/31/2022 10/31/2022 10/31/2022 10/31/2022 10/31/2022 10/31/2022 10/31/2022 10/31/2022 10/31/2022 EPA Appendix I Volatile Organic Compounds (µg/L) C 15A NCAC 2L upstream downstream Chlorodibromomethane 0.4 <0.39 <0.39 <0.39 <0.39 <0.39 <0.39 <0.39 1.0 1.0 <0.39 no std. <0.39 <0.39 Dichlorobromomethane 0.6 <0.25 <0.25 <0.25 <0.25 <0.25 <0.25 <0.25 0.27 J 0.26 J <0.25 no std. <0.25 <0.25 1, 1 -dichloroethane 6 <0.33 0.45 J <0.33 0.98 J <0.33 <0.33 <0.33 <0.33 <0.33 1.0 no std. <0.33 <0.33 1, 1 -dichloroethene 350 <0.33 <0.33 <0.33 <0.33 <0.33 <0.33 <0.33 <0.33 <0.33 0.34 J no std. <0.33 <0.33 1,2-dichloropropane 0.6 <0.22 <0.22 <0.22 <0.22 <0.22 <0.22 <0.22 <0.22 <0.22 0.24 J no std. <0.22 <0.22 1,4-Dioxane 3 <0.27 <0.27 <0.27 <0.27 <0.27 <0.27 <0.27 <0.27 <0.27 <0.27 no std. <0.27 0.71 J Acetone 6000 <3.70 <3.70 <3.70 <3.70 <3.70 <3.70 14 <3.70 <3.70 <3.70 no std. 8.6 J <3.70 Benzene 1 <0.27 <0.27 <0.27 1.8 <0.27 <0.27 <0.27 <0.27 <0.27 1.9 1.19 <0.27 <0.27 2-Butanone (MEK) 4000 <6.4 <6.4 <6.4 <6.4 <6.4 <6.4 <6.4 <6.4 <6.4 <6.4 no std. 6.5 J <6.4 Cis-1,2-dichloroethene 70 <0.25 <0.25 <0.25 9.5 <0.25 <0.25 <0.25 <0.25 <0.25 9.8 no std. <0.25 <0.25 Tetrachloroethene 0.7 <0.35 <0.35 <0.35 22 <0.35 <0.35 0.61 <0.35 <0.35 24 0.7 <0.35 <0.35 Trichloroethene 3 <0.20 <0.20 <0.20 14 <0.20 <0.20 <0.20 <0.20 <0.20 <0.20 2.5 <0.20 <0.20 Toluene 600 <0.25 <0.25 <0.25 <0.25 <0.25 <0.25 <0.25 <0.25 <0.25 <0.25 11.0 0.26 J <0.25 Vinyl chloride** 0.03 <0.40 <0.40 <0.40 2.9 <0.40 <0.40 <0.40 <0.40 <0.40 3.4 0.025 <0.40 <0.40 X lenes (total) 500 <0.23 <0.23 <0.23 0.45 J <0.23 <0.23 <0.23 <0.23 <0.23 0.49 J no std. <0.23 <0.23 EPA Appendix I Inorganic Compounds Method 6010D/6020B (µg/L) 15A NCAC 2L MW-1R MW-5 MW-6 MW-8 MW-9 DW-1 GP-10s Trip Blank Equip. Blank Duplicate*** 15 NCAC 2B SW-1 SW-2 Barium 700 10.0 46 24 97 12 12.0 130 NA <4.4 98.0 1,000 31 85.0 Chromium 10 <1.1 <1.1 <1.1 <1.1 <1.1 <1.1 1.2 J <1.1 <1.1 <1.1 11 <1.1 <1.1 Cobalt" 1 <1.4 <1.4 <1.4 4.4 J 1.4 J <1.4 13 NA <1.4 <1.4 no std. 1.4 J 3.4 J Copper** 1000 <3.2 <3.2 <3.2 <3.2 <3.2 <3.2 9.7 J NA <3.2 4.7 J 2.95 <3.2 <3.2 Mercury 1 NA NA NA <0.080 NA NA 0.11 NA NA NA 0.012 NA NA Vanadium 7 2.2 J 3.8 J 5.2 J <1.0 <1.0 <1.0 1.6 J NA <1.0 <1.0 no std. 3.2 J 4.5 J Zinc 1000 <8.7 <8.7 <8.7 23.0 <8.7 <8.7 33 NA <8.7 12 J 36.0 <8.7 <8.7 EPA Method 9012B (mg/L) 15A NCAC 2L MW-1R MW-5 MW-6 MW-8 MW-9 DW-I GP-10s Trip Blank Equip. Blank Duplicate*** 15 NCAC 2B SW-1 SW-2 Cyanide, Total 0.07 NA NA NA 0.0047 NA NA 0.0041 NA NA NA 5 NA NA Notes: ug/L = micrograms per liter (parts per billion). 15A NCAC 2L = North Carolina Groundwater Quality Standards (Updated April 2022) GWPST = Solid Waste Section Groundwater Protection Standard Bold indicates a concentration above the laboratory reporting limit. Shaded indicates a concentration above 15A NCAC 2L or GWPST or 2L IMAC NA = Not Analyzed J = Detected, but below the Reporting Limit, therefore, result is an estimated concentration 15A NCAC 2B = North Carolina Water Quality Standards for Surface Waters [Freshwater Aquatic Life (AL) or Human Health, November 1, 2019] Target analytes not shown were not detected above the laboratory method detection limits. * Indicates there is currently no 2L Standard. The target analyte was compared to the GWPST. ** Laboratory method detection limit is above the 15A NCAC 2L or 15 NCAC 2B standard. ***October 31, 2023 sampling event - a blind duplicate sample was collected from monitor well MW-8 at the same time as the record sample. no std. - There is no North Carolina Surface Water Quality Standard listed in 15A NCAC 2B T:\Raleigh-1050\Projects\2007\07-251 Sorrell Landfill\Reports\2022 October GW Sampling\Deliverable\Appendix II - Tables\Draft Sorrell Landfill October 2022 Tables.xlsx Appendix III - Laboratory Reports • % eurofins Environment Testing I ANALYTICAL REPORT C PREPARED FOR Attn: Stephanie Franz Environmental Conservation Laboratories 102 Woodwinds Industrial Ct, Suite A Cary, North Carolina 27511 Generated 12/1/2022 11:27:46 AM 4 JOB DESCRIPTION C F 16089 JOB NUMBER 680-224568-1 The test results in this report meet NELAP requirements for parameters for which accreditation is required or available. Any exceptions to the NELAP requirements are noted. Results pertain only to samples listed in this report. This report may not be reproduced, except in full, without the written approval of the laboratory. Questions should be directed to the person who signed this report. The test results in this report relate only to the samples as received by the laboratory and will meet all requirements of the methodology, with any exceptions noted. This report shall not be reproduced except in full, without the express written approval of the laboratory. All questions should be directed to the Eurofins Environment Testing Southeast, LLC Project Manager. F Il. Generated 12/1/2022 11:27:46 AM Authorized for release by Naomi Flanagan, Project Manager Naomi. Flanagan(@.et. eurofi nsus.com Designee for Sheila Hoffman, Project Manager II Sheila. Hoffman(a)et.eurofinsus.com (912)250-0279 Eurofins Savannah is a laboratory within Eurofins Environment Testing Southeast, LLC, a company within Eurofins Environment Testing Group of Companies Page 2 of 79 12/1/2022 Client: Environmental Conservation Laboratories Sample Summary Job ID: 680-224568-1 Project/Site: CF16089 Lab Sample ID Client Sample ID Matrix Collected Received 680-224568-1 9204-MW1R Ground Water 10/31/2216:15 11/02/22 08:00 680-224568-2 9204-MW5 Ground Water 10/31/22 12:35 11/02/22 08:00 680-224568-3 9204-MW6 Ground Water 10/31/22 11:50 11/02/22 08:00 680-224568-4 9204-MW9 Ground Water 10/31/22 11:00 11/02/22 08:00 680-224568-5 9204-DW1 Ground Water 10/31/22 15:50 11/02/22 08:00 680-224568-6 9204-SW1 Ground Water 10/31/22 16:05 11/02/22 08:00 680-224568-7 9204-SW2 Ground Water 10/31/22 13:00 11/02/22 08:00 680-224568-8 9204-MW8 Ground Water 10/31/22 14:45 11/02/22 08:00 680-224568-9 9204-GP-10S Ground Water 10/31/22 17:25 11/02/22 08:00 680-224568-10 9204-DUPLICATE Ground Water 10/31/22 00:00 11/02/22 08:00 680-224568-11 9204-TRIP BLANK Water 10/31/22 11:00 11/02/22 08:00 680-224568-12 9204-EQUIPMENT BLANK Water 10/31/22 17:45 11/02/22 08:00 Page 3 of 79 Eurofins S#YAlW02 Method Summary Client: Environmental Conservation Laboratories Project/Site: CF16089 Job ID: 680-224568-1 U Method Method Description Protocol Laboratory 8260D Volatile Organic Compounds by GC/MS SW846 EET SAV 8260D SIM Volatile Organic Compounds (GC/MS) SW846 EET DEN 8270E Semivolatile Organic Compounds (GC/MS) SW846 EET SAV 6010D Metals (ICP) SW846 EET SAV 6020B Metals (ICP/MS) SW846 EET SAV 7470A Mercury (CVAA) SW846 EET SAV 4500 S2 F-2011 Sulfide, Total SM EET SAV 9012B Cyanide, Total andorAmenable SW846 EET SAV 3005A Preparation, Total Recoverable or Dissolved Metals SW846 EET SAV 3520C Liquid -Liquid Extraction (Continuous) SW846 EET SAV 5030B Purge and Trap SW846 EET SAV 5030C Purge and Trap SW846 EET DEN 7470A Preparation, Mercury SW846 EET SAV 9012B Cyanide, Total and/orAmenable, Distillation SW846 EET SAV Protocol References: SM = "Standard Methods For The Examination Of Water And Wastewater" SW846 = "Test Methods For Evaluating Solid Waste, Physical/Chemical Methods", Third Edition, November 1986 And Its Updates. Laboratory References: EET DEN = Eurofins Denver, 4955 Yarrow Street, Arvada, CO 80002, TEL (303)736-0100 EET SAV = Eurofins Savannah, 5102 LaRoche Avenue, Savannah, GA 31404, TEL (912)354-7858 Eurofins Savannah Page 4 of 79 12/1/2022 Definitions/Glossary Client: Environmental Conservation Laboratories Job ID: 680-224568-1 Project/Site: CF16089 U Qualifiers GC/MS VOA Qualifier Qualifier Description LCS and/or LCSD is outside acceptance limits, low biased. `+ LCS and/or LCSD is outside acceptance limits, high biased. `1 LCS/LCSD RPD exceeds control limits. E Result exceeded calibration range. J Result is less than the RL but greater than or equal to the MDL and the concentration is an approximate value. GC/MS Semi VOA Qualifier Qualifier Description LCS and/or LCSD is outside acceptance limits, low biased. *+ LCS and/or LCSD is outside acceptance limits, high biased. *1 LCS/LCSD RPD exceeds control limits. J Result is less than the RL but greater than or equal to the MDL and the concentration is an approximate value. S1- Surrogate recovery exceeds control limits, low biased. Metals Qualifier Qualifier Description J Result is less than the RL but greater than or equal to the MDL and the concentration is an approximate value. General Chemistry Qualifier Qualifier Description F1 MS and/or MSD recovery exceeds control limits. F2 MS/MSD RPD exceeds control limits J Result is less than the RL but greater than or equal to the MDL and the concentration is an approximate value. Glossary Abbreviation These commonly used abbreviations may or may not be present in this report. tt Listed under the "D" column to designate that the result is reported on a dry weight basis %R Percent Recovery CFL Contains Free Liquid CFU Colony Forming Unit CNF Contains No Free Liquid DER Duplicate Error Ratio (normalized absolute difference) Dil Fac Dilution Factor DL Detection Limit (DoD/DOE) DL, RA, RE, IN Indicates a Dilution, Re -analysis, Re -extraction, or additional Initial metals/anion analysis of the sample DLC Decision Level Concentration (Radiochemistry) EDL Estimated Detection Limit (Dioxin) LOD Limit of Detection (DoD/DOE) LOQ Limit of Quantitation (DoD/DOE) MCL EPA recommended "Maximum Contaminant Lever' MDA Minimum Detectable Activity (Radiochemistry) MDC Minimum Detectable Concentration (Radiochemistry) MDL Method Detection Limit ML Minimum Level (Dioxin) MPN Most Probable Number MQL Method Quantitation Limit NC Not Calculated ND Not Detected at the reporting limit (or MDL or EDL if shown) NEG Negative / Absent POS Positive / Present PQL Practical Quantitation Limit PRIES Presumptive QC Quality Control RER Relative Error Ratio (Radiochemistry) Eurofins Savannah Page 5 of 79 12/1/2022 Definitions/Glossary Client: Environmental Conservation Laboratories Project/Site: CF16089 Glossary (Continued) Abbreviation These commonly used abbreviations may or may not be present in this report. RL Reporting Limit or Requested Limit (Radiochemistry) RPD Relative Percent Difference, a measure of the relative difference between two points TEF Toxicity Equivalent Factor (Dioxin) TEQ Toxicity Equivalent Quotient (Dioxin) TNTC Too Numerous To Count F Job ID: 680-224568-1 U Eurofins Savannah Page 6 of 79 12/1/2022 Case Narrative Client: Environmental Conservation Laboratories Project/Site: CF16089 Job ID: 680-224568-1 Laboratory: Eurofins Savannah Narrative Job Narrative 680-224568-1 Job ID: 680-224568-1 Receipt The samples were received on 11/2/2022 8:00 AM. Unless otherwise noted below, the samples arrived in good condition, and, where required, properly preserved and on ice. The temperature of the cooler at receipt time was 1.3°C GC/MS VOA Method 8260D: The laboratory control sample (LCS) for analytical batch 680-750117 recovered outside control limits for the following analyte(s): Vinyl acetate. Vinyl acetate has been identified as a poor performing analyte when analyzed using this method; therefore, re-extraction/re-analysis was not performed. These results have been reported and qualified. Method 8260D: The RPD of the laboratory control sample (LCS) and laboratory control sample duplicate (LCSD) for analytical batch 680-750117 recovered outside control limits for the following analytes: 1,1-Dichloroethene, Carbon disulfide, Carbon tetrachloride, Chloromethane, Trichlorofluoromethane and Vinyl chloride. Method 8260D: The following analyte(s) recovered outside control limits for the LCS associated with analytical batch 680-750117: Carbon tetrachloride. This is not indicative of a systematic control problem because these were random marginal exceedances. Qualified results have been reported. Method 8260D: Insufficient sample volume was available to perform a matrix spike/matrix spike duplicate (MS/MSD) associated with analytical batch 680-750117. Method 8260D: Trichlorofluoromethane is reported with an E flag in the batch QC because the top two points were dropped from the ICAL The sample associated with the QC was non detect for Trichlorofluoromethane. The data has been qualified and reported. <(CCVIS 680-750117/4), (LCS 680-750117/5) and (LCSD 680-750117/6) Method 8260D_SIM: The following sample was collected in a properly preserved vial; however, the pH of 6 was outside the required criteria of <2 when verified by the laboratory. The sample was analyzed outside the 7-day holding time specified for unpreserved samples but within the 14-day holding time specified for preserved samples: 9204-EQUIPMENT BLANK (680-224568-12). No additional analytical or quality issues were noted, other than those described above or in the Definitions/ Glossary page. GC/MS Semi VOA Method 8270E: The laboratory control sample and/or the laboratory control sample duplicate (LCS/LCSD) for preparation batch 680-749092 and analytical batch 680-750610 recovered outside control limits for the following analyte(s): Pentachloronitrobenzene and p-Phenylene diamine. Batch precision also exceeded control limits for alpha,alpha-Dimethyl phenethylamine and p-Phenylene diamine. These analytes have been identified as poor performing analytes when analyzed using this method; therefore, re-extraction/re-analysis was not performed. These results have been reported and qualified. Method 8270E: The laboratory control sample (LCS) for preparation batch 680-749092 and analytical batch 680-750610 recovered outside control limits for the following analyte: 1,4-Naphthoquinone. This analyte was biased high in the LCS and was not detected in the associated samples; therefore, the data have been reported. Method 8270E: Six surrogates are used for this analysis. The laboratory's SOP allows one acid and one base of these surrogates to be outside acceptance criteria without performing re-extraction/re-analysis. The following sample contained an allowable number of surrogate compounds outside limits: 9204-GP-10S (680-224568-9). These results have been reported and qualified. Method 8270E: The RPD of the laboratory control sample (LCS) and laboratory control sample duplicate (LCSD) for preparation batch 680-749092 and analytical batch 680-750610 recovered outside control limits for the following analytes: 4-Chloroaniline, 4-Nitrophenol, N-Nitrosodimethylamine and Phenol. Method 8270E: The laboratory control sample duplicate (LCSD) for preparation batch 680-749092 and analytical batch 680-750610 Eurofins Savannah Page 7 of 79 12/1/2022 Case Narrative C Client: Environmental Conservation Laboratories Job ID: 680-224568-1 Project/Site: CF16089 Job ID: 680-224568-1 (Continued) Laboratory: Eurofins Savannah (Continued) recovered outside acceptance limits. There was insufficient sample to perform a re -extraction or re -analysis; therefore, the data has been qualified and reported. F_ No additional analytical or quality issues were noted, other than those described above or in the Definitions/ Glossary page Metals No additional analytical or quality issues were noted, other than those described above or in the Definitions/ Glossary page General Chemistry I Method 90126: The matrix spike / matrix spike duplicate (MS/MSD) recoveries and precision for preparation batch 680-749687 and analytical batch 680-749845 were outside control limits. Sample matrix interference and/or non -homogeneity are suspected because the associated laboratory control sample / laboratory sample control duplicate (LCS/LCSD) precision was within acceptance limits. No additional analytical or quality issues were noted, other than those described above or in the Definitions/ Glossary page. Eurofins Savannah Page 8 of 79 12/1/2022 Detection Summary Client: Environmental Conservation Laboratories Job ID: 680-224568-1 Project/Site: CF16089 Client Sample ID: 9204-MW1 R Lab Sample ID: 680-224568-1 Analyte Result Qualifier RL MDL Unit Dil Fac D Method Prep Type Barium 10 10 4.4 ug/L 1 601OD Total Recoverable Vanadium 2.2 J 10 1.0 ug/L 1 601OD Total Recoverable Client Sample ID: 9204-MW5 Lab Sample ID: 680-224568-2 Analyte Result Qualifier RL MDL Unit Dil Fac D Method Prep Type 1,1-Dichloroethane 0.45 J 1.0 0.33 ug/L 1 8260D Total/NA Barium 46 10 4.4 ug/L 1 6010D Total Recoverable Vanadium 3.8 J 10 1.0 ug/L 1 6010D Total LRecoverable Client Sample ID: 9204-MW6 Lab Sample ID: 680-224568-3 Analyte Result Qualifier RL MDL Unit Dil Fac D Method Prep Type Barium 24 10 4.4 ug/L 1 601OD Total Recoverable Vanadium 5.2 J 10 1.0 ug/L 1 601OD Total Recoverable Client Sample ID: 9204-MW9 Lab Sample ID: 680-224568-4 FAnalyte Result Qualifier RL MDL Unit Dil Fac D Method Prep Type Barium 12 10 4.4 ug/L 1 6010D Total Recoverable Cobalt 1.4 J 10 1.4 ug/L 1 6010D Total Recoverable Client Sample ID: 9204-DW1 Lab Sample ID: 680-224568-5 Analyte Result Qualifier RL MDL Unit Dil Fac D Method Prep Type Barium 12 10 4.4 ug/L 1 6010D Total Recoverable Client Sample ID: 9204-SW1 Lab Sample ID: 680-224568-6 Analyte Result Qualifier RL MDL Unit Dil Fac D Method Prep Type 2-Butanone (MEK) 6.5 J 10 6.4 ug/L 1 8260D Total/NA Acetone 8.6 J 10 3.7 ug/L 1 8260D Total/NA Toluene 0.26 J 1.0 0.25 ug/L 1 8260D Total/NA Barium 31 10 4.4 ug/L 1 6010D Total Recoverable Vanadium 3.2 J 10 1.0 ug/L 1 6010D Total Recoverable Cobalt 1.4 J 10 1.4 ug/L 1 6010D Total Recoverable Client Sample ID: 9204-SW2 Lab Sample ID: 680-224568-7 Analyte Result Qualifier RL MDL Unit Dil Fac D Method Prep Type 1,4-Dioxane 0.71 J 1.4 0.27 ug/L 1 8260D SIM Total/NA Barium 85 10 4.4 ug/L 1 6010D Total Recoverable Vanadium 4.5 J 10 1.0 ug/L 1 6010D Total Recoverable This Detection Summary does not include radiochemical test results. Eurofins Savannah Page 9 of 79 12/1/2022 Detection Summary Client: Environmental Conservation Laboratories Job ID: 680-224568-1 Project/Site: CF16089 Client Sample ID: 9204-SW2 (Continued) Lab Sample ID: 680-224568-7 Analyte Result Qualifier RL MDL Unit Dil Fac D Method Prep Type Cobalt 3.4 J 10 1.4 ug/L 1 6010D Total Recoverable Client Sample ID: 9204-MW8 Lab Sample ID: 680-224568-8 Analyte Result Qualifier RL MDL Unit Dil Fac D Method Prep Type 1,1-Dichloroethane 0.98 J 1.0 0.33 ug/L 1 8260D Total/NA Benzene 1.8 1.0 0.27 ug/L 1 8260D Total/NA cis-1,2-Dichloroethene 9.5 1.0 0.25 ug/L 1 8260D Total/NA Tetrachloroethene 22 0.50 0.35 ug/L 1 8260D Total/NA Trichloroethene 14 1.0 0.20 ug/L 1 8260D Total/NA Vinyl chloride 2.9 `1 1.0 0.40 ug/L 1 8260D Total/NA Xylenes, Total 0.45 J 1.0 0.23 ug/L 1 8260D Total/NA Barium 97 10 4.4 ug/L 1 6010D Total Recoverable Zinc 23 20 8.7 ug/L 1 6010D Total Recoverable Cobalt 4.4 J 10 1.4 ug/L 1 6010D Total Recoverable Cyanide, Total 0.0047 J F1 F2 0.010 0.0025 mg/L 1 9012B Total/NA Client Sample ID: 9204-GP-10S Lab Sample ID: 680-224568-9 Analyte Result Qualifier RL MDL Unit Dil Fac D Method Prep Type Acetone 14 10 3.7 ug/L 1 8260D Total/NA Tetrachloroethene 0.61 0.50 0.35 ug/L 1 8260D Total/NA Barium 130 10 4.4 ug/L 1 6010D Total Recoverable Vanadium 1.6 J 10 1.0 ug/L 1 6010D Total Recoverable Copper 9.7 J 20 3.2 ug/L 1 6010D Total Recoverable Zinc 33 20 8.7 ug/L 1 6010D Total Recoverable Chromium 1.2 J 10 1.1 ug/L 1 6010D Total Recoverable Cobalt 13 10 1.4 ug/L 1 6010D Total Recoverable Mercury 0.11 J 0.20 0.080 ug/L 1 7470A Total/NA Cyanide, Total 0.0041 J 0.010 0.0025 mg/L 1 9012B Total/NA Client Sample ID: 9204-DUPLICATE Lab Sample ID: 680-224568-10 Analyte Result Qualifier RL MDL Unit Dil Fac D Method Prep Type 1,1-Dichloroethane 1.0 1.0 0.33 ug/L 1 8260D Total/NA 1,1-Dichloroethene 0.34 J *1 1.0 0.33 ug/L 1 8260D Total/NA 1,2-Dichloropropane 0.24 J 1.0 0.22 ug/L 1 8260D Total/NA Benzene 1.9 1.0 0.27 ug/L 1 8260D Total/NA cis-1,2-Dichloroethene 9.8 1.0 0.25 ug/L 1 8260D Total/NA Tetrachloroethene 24 0.50 0.35 ug/L 1 8260D Total/NA Trichloroethene 14 1.0 0.20 ug/L 1 8260D Total/NA Vinyl chloride 3.4 `1 1.0 0.40 ug/L 1 8260D Total/NA Xylenes, Total 0.49 J 1.0 0.23 ug/L 1 8260D Total/NA Barium 98 10 4.4 ug/L 1 6010D Total Recoverable This Detection Summary does not include radiochemical test results. Eurofins Savannah Page 10 of 79 12/1/2022 Detection Summary Client: Environmental Conservation Laboratories Job ID: 680-224568-1 Project/Site: CF16089 Client Sample ID: 9204-DUPLICATE (Continued) Lab Sample ID: 680-224568-10 Analyte Result Qualifier RL MDL Unit Dil Fac D Method Prep Type Zinc 12 J 20 8.7 ug/L 1 6010D Total Recoverable Cobalt 4.7 J 10 1.4 ug/L 1 6010D Total Recoverable Client Sample ID: 9204-TRIP BLANK Lab Sample ID: 680-224568-11 Analyte Result Qualifier RL MDL Unit Dil Fac D Method Prep Type Chlorodibromomethane 1.0 1.0 0.39 ug/L 1 8260D Total/NA Dichlorobromomethane 0.27 J 1.0 0.25 ug/L 1 8260D Total/NA Client Sample ID: 9204-EQUIPMENT BLANK Lab Sample ID: 680-224568-12 Analyte Result Qualifier RL MDL Unit Dil Fac D Method Prep Type Chlorodibromomethane 1.0 1.0 0.39 ug/L 1 8260D Total/NA Dichlorobromomethane 0.26 J 1.0 0.25 ug/L 1 8260D Total/NA This Detection Summary does not include radiochemical test results. Page 11 of 79 Eurofins Savannah 12/1 /2022 Client Sample Results Client: Environmental Conservation Laboratories Project/Site: CF16089 Job ID: 680-224568-1 Client Sample ID: 9204-MW1 R Lab Sample ID: 680-224568-1 Date Collected: 10/31/22 16:15 Matrix: Ground Water Date Received: 11/02/22 08:00 Method: SW846 8260D SIM - Volatile Organic Compounds (GC/MS) Analyte Result Qualifier RL MDL Unit D Prepared Analyzed Dil Fac 1,4-Dioxane <0.27 1.4 0.27 ug/L 11/11/22 23:20 1 Surrogate %Recovery Qualifier Limits Prepared Analyzed Dil Fac 1,2-Dichloroethane-d4 (Surr) 105 70- 127 11111122 23:20 1 Dibromofluoromethane (Surr) 101 77- 120 11111122 23:20 1 Method: SW846 8260D - Volatile Organic Compounds by GC/MS Analyte Result Qualifier RL MDL Unit D Prepared Analyzed Dil Fac 1,1,1,2-Tetrachloroethane <0.36 1.0 0.36 ug/L 11/11/22 17:10 1 1,1,1-Trichloroethane <0.21 1.0 0.21 ug/L 11/11/22 17:10 1 1,1,2,2-Tetrachloroethane <0.40 1.0 0.40 ug/L 11/11/22 17:10 1 1,1,2-Trichloroethane <0.32 1.0 0.32 ug/L 11/11/22 17:10 1 1,1-Dichloroethane <0.33 1.0 0.33 ug/L 11/11/22 17:10 1 1,1-Dichloroethene <0.33 *1 1.0 0.33 ug/L 11/11/22 17:10 1 1,2,3-Trichloropropane <0.48 1.0 0.48 ug/L 11/11/22 17:10 1 1,2-Dibromo-3-Chloropropane <1.8 5.0 1.8 ug/L 11/11/22 17:10 1 1,2-Dichlorobenzene <0.31 1.0 0.31 ug/L 11/11/22 17:10 1 1,2-Dichloroethane <0.25 1.0 0.25 ug/L 11/11/22 17:10 1 1,2-Dichloropropane <0.22 1.0 0.22 ug/L 11/11/22 17:10 1 1,4-Dichlorobenzene <0.31 1.0 0.31 ug/L 11/11/22 17:10 1 2-Butanone (MEK) <6.4 10 6.4 ug/L 11/11/22 17:10 1 2-Hexanone <3.2 10 3.2 ug/L 11/11/22 17:10 1 4-Methyl-2-pentanone (MIBK) <2.7 10 2.7 ug/L 11/11/22 17:10 1 Acetone <3.7 10 3.7 ug/L 11/11/22 17:10 1 Acrylonitrile <5.5 20 5.5 ug/L 11/11/22 17:10 1 Benzene <0.27 1.0 0.27 ug/L 11/11/22 17:10 1 Bromoform <0.59 1.0 0.59 ug/L 11/11/22 17:10 1 Bromomethane <3.7 5.0 3.7 ug/L 11/11/22 17:10 1 Carbon disulfide <0.43 *+ 2.0 0.43 ug/L 11/11/22 17:10 1 Carbon tetrachloride <0.30 *- *1 1.0 0.30 ug/L 11/11/22 17:10 1 Chlorobenzene <0.15 1.0 0.15 ug/L 11/11/22 17:10 1 Chlorobromomethane <0.34 1.0 0.34 ug/L 11/11/22 17:10 1 Chlorodibromomethane <0.39 1.0 0.39 ug/L 11/11/22 17:10 1 Chloroethane <4.6 5.0 4.6 ug/L 11/11/22 17:10 1 Chloroform <0.27 1.0 0.27 ug/L 11/11/22 17:10 1 Chloromethane <0.54 *+ 1.0 0.54 ug/L 11/11/22 17:10 1 cis-1,2-Dichloroethene <0.25 1.0 0.25 ug/L 11/11/22 17:10 1 cis-1,3-Dichloropropene <0.26 1.0 0.26 ug/L 11/11/22 17:10 1 Dibromomethane <0.34 1.0 0.34 ug/L 11/11/22 17:10 1 Dichlorobromomethane <0.25 1.0 0.25 ug/L 11/11/22 17:10 1 Ethylbenzene <0.20 1.0 0.20 ug/L 11/11/22 17:10 1 Ethylene Dibromide <0.33 1.0 0.33 ug/L 11/11/22 17:10 1 lodomethane <3.9 10 3.9 ug/L 11/11/22 17:10 1 Methylene Chloride <3.2 5.0 3.2 ug/L 11/11/22 17:10 1 Styrene <0.27 1.0 0.27 ug/L 11/11/22 17:10 1 Tetrachloroethene <0.35 0.50 0.35 ug/L 11/11/22 17:10 1 Toluene <0.25 1.0 0.25 ug/L 11/11/22 17:10 1 trans- 1,2-Dichloroethene <0.34 1.0 0.34 ug/L 11/11/22 17:10 1 trans- 1,3-Dichloropropene <0.23 1.0 0.23 ug/L 11/11/22 17:10 1 trans- 1,4-Dichloro-2-butene <1.3 2.0 1.3 ug/L 11/11/22 17:10 1 Eurofins Savannah Page 12 of 79 12/1/2022 Client Sample Results Client: Environmental Conservation Laboratories Job ID: 680-224568-1 Project/Site: CF16089 Client Sample ID: 9204-MW1 R Lab Sample ID: 680-224568-1 Date Collected: 10/31/22 16:15 Matrix: Ground Water Date Received: 11/02/22 08:00 Method: SW846 8260D - Volatile Organic Compounds by GC/MS (Continued) Analyte Result Qualifier RL MDL Unit D Prepared Analyzed Dil Fac Trichloroethene <0.20 1.0 0.20 ug/L 11/11/22 17:10 1 Trichlorofluoromethane <0.33 *1 1.0 0.33 ug/L 11/11/22 17:10 1 Vinyl acetate <0.69 *- 2.0 0.69 ug/L 11/11/22 17:10 1 Vinyl chloride <0.40 *1 1.0 0.40 ug/L 11/11/22 17:10 1 Xylenes, Total <0.23 1.0 0.23 ug/L 11/11/22 17:10 1 Surrogate %Recovery Qualifier Limits Prepared Analyzed Dil Fac Toluene-d8 (Surr) 123 70 - 130 11111122 17:10 1 1,2-Dichloroethane-d4 (Surr) 81 60- 124 11111122 17:10 1 Dibromofluoromethane (Surr) 112 70 - 130 11111122 17:10 1 4-Bromofluorobenzene (Surr) 97 70 - 130 11111122 17:10 1 Method: SW846 6010D - Metals (ICP) - Total Recoverable Analyte Result Qualifier RL MDL Unit D Prepared Analyzed Dil Fac Cadmium <0.44 5.0 0.44 ug/L 11/04/22 11:23 11/07/22 22:25 1 Beryllium <0.30 4.0 0.30 ug/L 11/04/22 11:23 11/07/22 22:25 1 Barium 10 10 4.4 ug/L 11/04/22 11:23 11/07/22 22:25 1 Nickel <3.3 40 3.3 ug/L 11/04/22 11:23 11/07/22 22:25 1 Vanadium 2.2 J 10 1.0 ug/L 11/04/22 11:23 11/07/22 22:25 1 Silver <1.5 10 1.5 ug/L 11/04/22 11:23 11/07/22 22:25 1 Arsenic <6.4 20 6.4 ug/L 11/04/22 11:23 11/07/22 22:25 1 Copper <3.2 20 3.2 ug/L 11/04/22 11:23 11/07/22 22:25 1 Lead <6.6 10 6.6 ug/L 11/04/22 11:23 11/07/22 22:25 1 Zinc <8.7 20 8.7 ug/L 11/04/22 11:23 11/07/22 22:25 1 Chromium <1.1 10 1.1 ug/L 11/04/22 11:23 11/07/22 22:25 1 Cobalt <1.4 10 1.4 ug/L 11/04/22 11:23 11/07/22 22:25 1 Method: SW846 6020B - Metals (ICP/MS) - Total Recoverable Analyte Result Qualifier RL MDL Unit D Prepared Analyzed Dil Fac Antimony <0.52 5.0 0.52 ug/L 11/04/22 11:25 11/06/22 01:28 1 Thallium <0.26 1.0 0.26 ug/L 11/04/22 11:25 11/06/22 01:28 1 Selenium <1.2 2.5 1.2 ug/L 11/04/22 11:25 11/06/22 01:28 1 Eurofins Savannah Page 13 of 79 12/1/2022 Client Sample Results Client: Environmental Conservation Laboratories Project/Site: CF16089 Job ID: 680-224568-1 Client Sample ID: 9204-MW5 Lab Sample ID: 680-224568-2 Date Collected: 10/31/22 12:35 Matrix: Ground Water Date Received: 11/02/22 08:00 Method: SW846 8260D SIM - Volatile Organic Compounds (GC/MS) Analyte Result Qualifier RL MDL Unit D Prepared Analyzed Dil Fac 1,4-Dioxane <0.27 1.4 0.27 ug/L 11/11/22 23:40 1 Surrogate %Recovery Qualifier Limits Prepared Analyzed Dil Fac 1,2-Dichloroethane-d4 (Surr) 106 70- 127 11111122 23:40 1 Dibromofluoromethane (Surr) 103 77- 120 11111122 23:40 1 Method: SW846 8260D - Volatile Organic Compounds by GC/MS Analyte Result Qualifier RL MDL Unit D Prepared Analyzed Dil Fac 1,1,1,2-Tetrachloroethane <0.36 1.0 0.36 ug/L 11/11/22 14:39 1 1,1,1-Trichloroethane <0.21 1.0 0.21 ug/L 11/11/22 14:39 1 1,1,2,2-Tetrachloroethane <0.40 1.0 0.40 ug/L 11/11/22 14:39 1 1,1,2-Trichloroethane <0.32 1.0 0.32 ug/L 11/11/22 14:39 1 1,1-Dichloroethane 0.45 J 1.0 0.33 ug/L 11/11/22 14:39 1 1,1-Dichloroethene <0.33 *1 1.0 0.33 ug/L 11/11/22 14:39 1 1,2,3-Trichloropropane <0.48 1.0 0.48 ug/L 11/11/22 14:39 1 1,2-Dibromo-3-Chloropropane <1.8 5.0 1.8 ug/L 11/11/22 14:39 1 1,2-Dichlorobenzene <0.31 1.0 0.31 ug/L 11/11/22 14:39 1 1,2-Dichloroethane <0.25 1.0 0.25 ug/L 11/11/22 14:39 1 1,2-Dichloropropane <0.22 1.0 0.22 ug/L 11/11/22 14:39 1 1,4-Dichlorobenzene <0.31 1.0 0.31 ug/L 11/11/22 14:39 1 2-Butanone (MEK) <6.4 10 6.4 ug/L 11/11/22 14:39 1 2-Hexanone <3.2 10 3.2 ug/L 11/11/22 14:39 1 4-Methyl-2-pentanone (MIBK) <2.7 10 2.7 ug/L 11/11/22 14:39 1 Acetone <3.7 10 3.7 ug/L 11/11/22 14:39 1 Acrylonitrile <5.5 20 5.5 ug/L 11/11/22 14:39 1 Benzene <0.27 1.0 0.27 ug/L 11/11/22 14:39 1 Bromoform <0.59 1.0 0.59 ug/L 11/11/22 14:39 1 Bromomethane <3.7 5.0 3.7 ug/L 11/11/22 14:39 1 Carbon disulfide <0.43 *+ 2.0 0.43 ug/L 11/11/22 14:39 1 Carbon tetrachloride <0.30 *- *1 1.0 0.30 ug/L 11/11/22 14:39 1 Chlorobenzene <0.15 1.0 0.15 ug/L 11/11/22 14:39 1 Chlorobromomethane <0.34 1.0 0.34 ug/L 11/11/22 14:39 1 Chlorodibromomethane <0.39 1.0 0.39 ug/L 11/11/22 14:39 1 Chloroethane <4.6 5.0 4.6 ug/L 11/11/22 14:39 1 Chloroform <0.27 1.0 0.27 ug/L 11/11/22 14:39 1 Chloromethane <0.54 *+ 1.0 0.54 ug/L 11/11/22 14:39 1 cis-1,2-Dichloroethene <0.25 1.0 0.25 ug/L 11/11/22 14:39 1 cis-1,3-Dichloropropene <0.26 1.0 0.26 ug/L 11/11/22 14:39 1 Dibromomethane <0.34 1.0 0.34 ug/L 11/11/22 14:39 1 Dichlorobromomethane <0.25 1.0 0.25 ug/L 11/11/22 14:39 1 Ethylbenzene <0.20 1.0 0.20 ug/L 11/11/22 14:39 1 Ethylene Dibromide <0.33 1.0 0.33 ug/L 11/11/22 14:39 1 lodomethane <3.9 10 3.9 ug/L 11/11/22 14:39 1 Methylene Chloride <3.2 5.0 3.2 ug/L 11/11/22 14:39 1 Styrene <0.27 1.0 0.27 ug/L 11/11/22 14:39 1 Tetrachloroethene <0.35 0.50 0.35 ug/L 11/11/22 14:39 1 Toluene <0.25 1.0 0.25 ug/L 11/11/22 14:39 1 trans- 1,2-Dichloroethene <0.34 1.0 0.34 ug/L 11/11/22 14:39 1 trans- 1,3-Dichloropropene <0.23 1.0 0.23 ug/L 11/11/22 14:39 1 trans- 1,4-Dichloro-2-butene <1.3 2.0 1.3 ug/L 11/11/22 14:39 1 Eurofins Savannah Page 14 of 79 12/1/2022 Client Sample Results Client: Environmental Conservation Laboratories Job ID: 680-224568-1 Project/Site: CF16089 Client Sample ID: 9204-MW5 Lab Sample ID: 680-224568-2 Date Collected: 10/31/22 12:35 Matrix: Ground Water Date Received: 11/02/22 08:00 Method: SW846 8260D - Volatile Organic Compounds by GC/MS (Continued) Analyte Result Qualifier RL MDL Unit D Prepared Analyzed Dil Fac Trichloroethene <0.20 1.0 0.20 ug/L 11/11/22 14:39 1 Trichlorofluoromethane <0.33 *1 1.0 0.33 ug/L 11/11/22 14:39 1 Vinyl acetate <0.69 *- 2.0 0.69 ug/L 11/11/22 14:39 1 Vinyl chloride <0.40 *1 1.0 0.40 ug/L 11/11/22 14:39 1 Xylenes, Total <0.23 1.0 0.23 ug/L 11/11/22 14:39 1 Surrogate %Recovery Qualifier Limits Prepared Analyzed Dil Fac Toluene-d8 (Surr) 122 70 - 130 11111122 14:39 1 1,2-Dichloroethane-d4 (Surr) 79 60- 124 11111122 14:39 1 Dibromofluoromethane (Surr) 110 70 - 130 11111122 14:39 1 4-Bromofluorobenzene (Surr) 97 70 - 130 11111122 14:39 1 Method: SW846 6010D - Metals (ICP) - Total Recoverable Analyte Result Qualifier RL MDL Unit D Prepared Analyzed Dil Fac Cadmium <0.44 5.0 0.44 ug/L 11/04/22 11:23 11/07/22 22:28 1 Beryllium <0.30 4.0 0.30 ug/L 11/04/22 11:23 11/07/22 22:28 1 Barium 46 10 4.4 ug/L 11/04/22 11:23 11/07/22 22:28 1 Nickel <3.3 40 3.3 ug/L 11/04/22 11:23 11/07/22 22:28 1 Vanadium 3.8 J 10 1.0 ug/L 11/04/22 11:23 11/07/22 22:28 1 Silver <1.5 10 1.5 ug/L 11/04/22 11:23 11/07/22 22:28 1 Arsenic <6.4 20 6.4 ug/L 11/04/22 11:23 11/07/22 22:28 1 Copper <3.2 20 3.2 ug/L 11/04/22 11:23 11/07/22 22:28 1 Lead <6.6 10 6.6 ug/L 11/04/22 11:23 11/07/22 22:28 1 Zinc <8.7 20 8.7 ug/L 11/04/22 11:23 11/07/22 22:28 1 Chromium <1.1 10 1.1 ug/L 11/04/22 11:23 11/07/22 22:28 1 Cobalt <1.4 10 1.4 ug/L 11/04/22 11:23 11/07/22 22:28 1 Method: SW846 6020B - Metals (ICP/MS) - Total Recoverable Analyte Result Qualifier RL MDL Unit D Prepared Analyzed Dil Fac Antimony <0.52 5.0 0.52 ug/L 11/04/22 11:25 11/06/22 01:32 1 Thallium <0.26 1.0 0.26 ug/L 11/04/22 11:25 11/06/22 01:32 1 Selenium <1.2 2.5 1.2 ug/L 11/04/22 11:25 11/06/22 01:32 1 Eurofins Savannah Page 15 of 79 12/1/2022 Client Sample Results Client: Environmental Conservation Laboratories Project/Site: CF16089 Job ID: 680-224568-1 Client Sample ID: 9204-MW6 Lab Sample ID: 680-224568-3 Date Collected: 10/31/22 11:50 Matrix: Ground Water Date Received: 11/02/22 08:00 Method: SW846 8260D SIM - Volatile Organic Compounds (GC/MS) Analyte Result Qualifier RL MDL Unit D Prepared Analyzed Dil Fac 1,4-Dioxane <0.27 1.4 0.27 ug/L 11/12/22 00:00 1 Surrogate %Recovery Qualifier Limits Prepared Analyzed Dil Fac 1,2-Dichloroethane-d4 (Surr) 106 70- 127 11112122 00:00 1 Dibromofluoromethane (Surr) 103 77- 120 11112122 00:00 1 Method: SW846 8260D - Volatile Organic Compounds by GC/MS Analyte Result Qualifier RL MDL Unit D Prepared Analyzed Dil Fac 1,1,1,2-Tetrachloroethane <0.36 1.0 0.36 ug/L 11/11/22 14:58 1 1,1,1-Trichloroethane <0.21 1.0 0.21 ug/L 11/11/22 14:58 1 1,1,2,2-Tetrachloroethane <0.40 1.0 0.40 ug/L 11/11/22 14:58 1 1,1,2-Trichloroethane <0.32 1.0 0.32 ug/L 11/11/22 14:58 1 1,1-Dichloroethane <0.33 1.0 0.33 ug/L 11/11/22 14:58 1 1,1-Dichloroethene <0.33 *1 1.0 0.33 ug/L 11/11/22 14:58 1 1,2,3-Trichloropropane <0.48 1.0 0.48 ug/L 11/11/22 14:58 1 1,2-Dibromo-3-Chloropropane <1.8 5.0 1.8 ug/L 11/11/22 14:58 1 1,2-Dichlorobenzene <0.31 1.0 0.31 ug/L 11/11/22 14:58 1 1,2-Dichloroethane <0.25 1.0 0.25 ug/L 11/11/22 14:58 1 1,2-Dichloropropane <0.22 1.0 0.22 ug/L 11/11/22 14:58 1 1,4-Dichlorobenzene <0.31 1.0 0.31 ug/L 11/11/22 14:58 1 2-Butanone (MEK) <6.4 10 6.4 ug/L 11/11/22 14:58 1 2-Hexanone <3.2 10 3.2 ug/L 11/11/22 14:58 1 4-Methyl-2-pentanone (MIBK) <2.7 10 2.7 ug/L 11/11/22 14:58 1 Acetone <3.7 10 3.7 ug/L 11/11/22 14:58 1 Acrylonitrile <5.5 20 5.5 ug/L 11/11/22 14:58 1 Benzene <0.27 1.0 0.27 ug/L 11/11/22 14:58 1 Bromoform <0.59 1.0 0.59 ug/L 11/11/22 14:58 1 Bromomethane <3.7 5.0 3.7 ug/L 11/11/22 14:58 1 Carbon disulfide <0.43 *+ 2.0 0.43 ug/L 11/11/22 14:58 1 Carbon tetrachloride <0.30 *- *1 1.0 0.30 ug/L 11/11/22 14:58 1 Chlorobenzene <0.15 1.0 0.15 ug/L 11/11/22 14:58 1 Chlorobromomethane <0.34 1.0 0.34 ug/L 11/11/22 14:58 1 Chlorodibromomethane <0.39 1.0 0.39 ug/L 11/11/22 14:58 1 Chloroethane <4.6 5.0 4.6 ug/L 11/11/22 14:58 1 Chloroform <0.27 1.0 0.27 ug/L 11/11/22 14:58 1 Chloromethane <0.54 *+ 1.0 0.54 ug/L 11/11/22 14:58 1 cis-1,2-Dichloroethene <0.25 1.0 0.25 ug/L 11/11/22 14:58 1 cis-1,3-Dichloropropene <0.26 1.0 0.26 ug/L 11/11/22 14:58 1 Dibromomethane <0.34 1.0 0.34 ug/L 11/11/22 14:58 1 Dichlorobromomethane <0.25 1.0 0.25 ug/L 11/11/22 14:58 1 Ethylbenzene <0.20 1.0 0.20 ug/L 11/11/22 14:58 1 Ethylene Dibromide <0.33 1.0 0.33 ug/L 11/11/22 14:58 1 lodomethane <3.9 10 3.9 ug/L 11/11/22 14:58 1 Methylene Chloride <3.2 5.0 3.2 ug/L 11/11/22 14:58 1 Styrene <0.27 1.0 0.27 ug/L 11/11/22 14:58 1 Tetrachloroethene <0.35 0.50 0.35 ug/L 11/11/22 14:58 1 Toluene <0.25 1.0 0.25 ug/L 11/11/22 14:58 1 trans- 1,2-Dichloroethene <0.34 1.0 0.34 ug/L 11/11/22 14:58 1 trans- 1,3-Dichloropropene <0.23 1.0 0.23 ug/L 11/11/22 14:58 1 trans- 1,4-Dichloro-2-butene <1.3 2.0 1.3 ug/L 11/11/22 14:58 1 Eurofins Savannah Page 16 of 79 12/1/2022 Client Sample Results Client: Environmental Conservation Laboratories Job ID: 680-224568-1 Project/Site: CF16089 Client Sample ID: 9204-MW6 Lab Sample ID: 680-224568-3 Date Collected: 10/31/22 11:50 Matrix: Ground Water Date Received: 11/02/22 08:00 Method: SW846 8260D - Volatile Organic Compounds by GC/MS (Continued) Analyte Result Qualifier RL MDL Unit D Prepared Analyzed Dil Fac Trichloroethene <0.20 1.0 0.20 ug/L 11/11/22 14:58 1 Trichlorofluoromethane <0.33 *1 1.0 0.33 ug/L 11/11/22 14:58 1 Vinyl acetate <0.69 *- 2.0 0.69 ug/L 11/11/22 14:58 1 Vinyl chloride <0.40 *1 1.0 0.40 ug/L 11/11/22 14:58 1 Xylenes, Total <0.23 1.0 0.23 ug/L 11/11/22 14:58 1 Surrogate %Recovery Qualifier Limits Prepared Analyzed Dil Fac Toluene-d8 (Surr) 121 70 - 130 11111122 14:58 1 1,2-Dichloroethane-d4 (Surr) 79 60- 124 11111122 14:58 1 Dibromofluoromethane (Surr) 110 70 - 130 11111122 14:58 1 4-Bromofluorobenzene (Surr) 98 70 - 130 11111122 14:58 1 Method: SW846 6010D - Metals (ICP) - Total Recoverable Analyte Result Qualifier RL MDL Unit D Prepared Analyzed Dil Fac Cadmium <0.44 5.0 0.44 ug/L 11/04/22 11:23 11/07/22 22:31 1 Beryllium <0.30 4.0 0.30 ug/L 11/04/22 11:23 11/07/22 22:31 1 Barium 24 10 4.4 ug/L 11/04/22 11:23 11/07/22 22:31 1 Nickel <3.3 40 3.3 ug/L 11/04/22 11:23 11/07/22 22:31 1 Vanadium 5.2 J 10 1.0 ug/L 11/04/22 11:23 11/07/22 22:31 1 Silver <1.5 10 1.5 ug/L 11/04/22 11:23 11/07/22 22:31 1 Arsenic <6.4 20 6.4 ug/L 11/04/22 11:23 11/07/22 22:31 1 Copper <3.2 20 3.2 ug/L 11/04/22 11:23 11/07/22 22:31 1 Lead <6.6 10 6.6 ug/L 11/04/22 11:23 11/07/22 22:31 1 Zinc <8.7 20 8.7 ug/L 11/04/22 11:23 11/07/22 22:31 1 Chromium <1.1 10 1.1 ug/L 11/04/22 11:23 11/07/22 22:31 1 Cobalt <1.4 10 1.4 ug/L 11/04/22 11:23 11/07/22 22:31 1 Method: SW846 6020B - Metals (ICP/MS) - Total Recoverable Analyte Result Qualifier RL MDL Unit D Prepared Analyzed Dil Fac Antimony <0.52 5.0 0.52 ug/L 11/04/22 11:25 11/06/22 01:36 1 Thallium <0.26 1.0 0.26 ug/L 11/04/22 11:25 11/06/22 01:36 1 Selenium <1.2 2.5 1.2 ug/L 11/04/22 11:25 11/06/22 01:36 1 Eurofins Savannah Page 17 of 79 12/1/2022 Client Sample Results Client: Environmental Conservation Laboratories Project/Site: CF16089 Job ID: 680-224568-1 Client Sample ID: 9204-MW9 Lab Sample ID: 680-224568-4 Date Collected: 10/31/22 11:00 Matrix: Ground Water Date Received: 11/02/22 08:00 Method: SW846 8260D SIM - Volatile Organic Compounds (GC/MS) Analyte Result Qualifier RL MDL Unit D Prepared Analyzed Dil Fac 1,4-Dioxane <0.27 1.4 0.27 ug/L 11/12/22 00:21 1 Surrogate %Recovery Qualifier Limits Prepared Analyzed Dil Fac 1,2-Dichloroethane-d4 (Surr) 108 70- 127 11112122 00:21 1 Dibromofluoromethane (Surr) 103 77- 120 11112122 00:21 1 Method: SW846 8260D - Volatile Organic Compounds by GC/MS Analyte Result Qualifier RL MDL Unit D Prepared Analyzed Dil Fac 1,1,1,2-Tetrachloroethane <0.36 1.0 0.36 ug/L 11/11/22 16:32 1 1,1,1-Trichloroethane <0.21 1.0 0.21 ug/L 11/11/22 16:32 1 1,1,2,2-Tetrachloroethane <0.40 1.0 0.40 ug/L 11/11/22 16:32 1 1,1,2-Trichloroethane <0.32 1.0 0.32 ug/L 11/11/22 16:32 1 1,1-Dichloroethane <0.33 1.0 0.33 ug/L 11/11/22 16:32 1 1,1-Dichloroethene <0.33 *1 1.0 0.33 ug/L 11/11/22 16:32 1 1,2,3-Trichloropropane <0.48 1.0 0.48 ug/L 11/11/22 16:32 1 1,2-Dibromo-3-Chloropropane <1.8 5.0 1.8 ug/L 11/11/22 16:32 1 1,2-Dichlorobenzene <0.31 1.0 0.31 ug/L 11/11/22 16:32 1 1,2-Dichloroethane <0.25 1.0 0.25 ug/L 11/11/22 16:32 1 1,2-Dichloropropane <0.22 1.0 0.22 ug/L 11/11/22 16:32 1 1,4-Dichlorobenzene <0.31 1.0 0.31 ug/L 11/11/22 16:32 1 2-Butanone (MEK) <6.4 10 6.4 ug/L 11/11/22 16:32 1 2-Hexanone <3.2 10 3.2 ug/L 11/11/22 16:32 1 4-Methyl-2-pentanone (MIBK) <2.7 10 2.7 ug/L 11/11/22 16:32 1 Acetone <3.7 10 3.7 ug/L 11/11/22 16:32 1 Acrylonitrile <5.5 20 5.5 ug/L 11/11/22 16:32 1 Benzene <0.27 1.0 0.27 ug/L 11/11/22 16:32 1 Bromoform <0.59 1.0 0.59 ug/L 11/11/22 16:32 1 Bromomethane <3.7 5.0 3.7 ug/L 11/11/22 16:32 1 Carbon disulfide <0.43 *+ 2.0 0.43 ug/L 11/11/22 16:32 1 Carbon tetrachloride <0.30 *- *1 1.0 0.30 ug/L 11/11/22 16:32 1 Chlorobenzene <0.15 1.0 0.15 ug/L 11/11/22 16:32 1 Chlorobromomethane <0.34 1.0 0.34 ug/L 11/11/22 16:32 1 Chlorodibromomethane <0.39 1.0 0.39 ug/L 11/11/22 16:32 1 Chloroethane <4.6 5.0 4.6 ug/L 11/11/22 16:32 1 Chloroform <0.27 1.0 0.27 ug/L 11/11/22 16:32 1 Chloromethane <0.54 *+ 1.0 0.54 ug/L 11/11/22 16:32 1 cis-1,2-Dichloroethene <0.25 1.0 0.25 ug/L 11/11/22 16:32 1 cis-1,3-Dichloropropene <0.26 1.0 0.26 ug/L 11/11/22 16:32 1 Dibromomethane <0.34 1.0 0.34 ug/L 11/11/22 16:32 1 Dichlorobromomethane <0.25 1.0 0.25 ug/L 11/11/22 16:32 1 Ethylbenzene <0.20 1.0 0.20 ug/L 11/11/22 16:32 1 Ethylene Dibromide <0.33 1.0 0.33 ug/L 11/11/22 16:32 1 lodomethane <3.9 10 3.9 ug/L 11/11/22 16:32 1 Methylene Chloride <3.2 5.0 3.2 ug/L 11/11/22 16:32 1 Styrene <0.27 1.0 0.27 ug/L 11/11/22 16:32 1 Tetrachloroethene <0.35 0.50 0.35 ug/L 11/11/22 16:32 1 Toluene <0.25 1.0 0.25 ug/L 11/11/22 16:32 1 trans- 1,2-Dichloroethene <0.34 1.0 0.34 ug/L 11/11/22 16:32 1 trans- 1,3-Dichloropropene <0.23 1.0 0.23 ug/L 11/11/22 16:32 1 trans- 1,4-Dichloro-2-butene <1.3 2.0 1.3 ug/L 11/11/22 16:32 1 Eurofins Savannah Page 18 of 79 12/1/2022 Client Sample Results Client: Environmental Conservation Laboratories Job ID: 680-224568-1 Project/Site: CF16089 Client Sample ID: 9204-MW9 Lab Sample ID: 680-224568-4 Date Collected: 10/31/22 11:00 Matrix: Ground Water Date Received: 11/02/22 08:00 Method: SW846 8260D - Volatile Organic Compounds by GC/MS (Continued) Analyte Result Qualifier RL MDL Unit D Prepared Analyzed Dil Fac Trichloroethene <0.20 1.0 0.20 ug/L 11/11/22 16:32 1 Trichlorofluoromethane <0.33 *1 1.0 0.33 ug/L 11/11/22 16:32 1 Vinyl acetate <0.69 *- 2.0 0.69 ug/L 11/11/22 16:32 1 Vinyl chloride <0.40 *1 1.0 0.40 ug/L 11/11/22 16:32 1 Xylenes, Total <0.23 1.0 0.23 ug/L 11/11/22 16:32 1 Surrogate %Recovery Qualifier Limits Prepared Analyzed Dil Fac Toluene-d8 (Surr) 122 70 - 130 11111122 16:32 1 1,2-Dichloroethane-d4 (Surr) 81 60- 124 11111122 16:32 1 Dibromofluoromethane (Surr) 112 70 - 130 11111122 16:32 1 4-Bromofluorobenzene (Surr) 98 70 - 130 11111122 16:32 1 Method: SW846 6010D - Metals (ICP) - Total Recoverable Analyte Result Qualifier RL MDL Unit D Prepared Analyzed Dil Fac Cadmium <0.44 5.0 0.44 ug/L 11/04/22 11:23 11/07/22 22:34 1 Beryllium <0.30 4.0 0.30 ug/L 11/04/22 11:23 11/07/22 22:34 1 Barium 12 10 4.4 ug/L 11/04/22 11:23 11/07/22 22:34 1 Nickel <3.3 40 3.3 ug/L 11/04/22 11:23 11/07/22 22:34 1 Vanadium <1.0 10 1.0 ug/L 11/04/22 11:23 11/07/22 22:34 1 Silver <1.5 10 1.5 ug/L 11/04/22 11:23 11/07/22 22:34 1 Arsenic <6.4 20 6.4 ug/L 11/04/22 11:23 11/07/22 22:34 1 Copper <3.2 20 3.2 ug/L 11/04/22 11:23 11/07/22 22:34 1 Lead <6.6 10 6.6 ug/L 11/04/22 11:23 11/07/22 22:34 1 Zinc <8.7 20 8.7 ug/L 11/04/22 11:23 11/07/22 22:34 1 Chromium <1.1 10 1.1 ug/L 11/04/22 11:23 11/07/22 22:34 1 Cobalt 1.4 J 10 1.4 ug/L 11/04/22 11:23 11/07/22 22:34 1 Method: SW846 6020B - Metals (ICP/MS) - Total Recoverable Analyte Result Qualifier RL MDL Unit D Prepared Analyzed Dil Fac Antimony <0.52 5.0 0.52 ug/L 11/04/22 11:25 11/06/22 01:40 1 Thallium <0.26 1.0 0.26 ug/L 11/04/22 11:25 11/06/22 01:40 1 Selenium <1.2 2.5 1.2 ug/L 11/04/22 11:25 11/06/22 01:40 1 Eurofins Savannah Page 19 of 79 12/1/2022 Client Sample Results Client: Environmental Conservation Laboratories Project/Site: CF16089 Job ID: 680-224568-1 Client Sample ID: 9204-DW1 Lab Sample ID: 680-224568-5 Date Collected: 10/31/22 15:50 Matrix: Ground Water Date Received: 11/02/22 08:00 Method: SW846 8260D SIM - Volatile Organic Compounds (GC/MS) Analyte Result Qualifier RL MDL Unit D Prepared Analyzed Dil Fac 1,4-Dioxane <0.27 1.4 0.27 ug/L 11/12/22 00:41 1 Surrogate %Recovery Qualifier Limits Prepared Analyzed Dil Fac 1,2-Dichloroethane-d4 (Surr) 108 70- 127 11112122 00:41 1 Dibromofluoromethane (Surr) 104 77- 120 11112122 00:41 1 Method: SW846 8260D - Volatile Organic Compounds by GC/MS Analyte Result Qualifier RL MDL Unit D Prepared Analyzed Dil Fac 1,1,1,2-Tetrachloroethane <0.36 1.0 0.36 ug/L 11/11/22 18:07 1 1,1,1-Trichloroethane <0.21 1.0 0.21 ug/L 11/11/22 18:07 1 1,1,2,2-Tetrachloroethane <0.40 1.0 0.40 ug/L 11/11/22 18:07 1 1,1,2-Trichloroethane <0.32 1.0 0.32 ug/L 11/11/22 18:07 1 1,1-Dichloroethane <0.33 1.0 0.33 ug/L 11/11/22 18:07 1 1,1-Dichloroethene <0.33 *1 1.0 0.33 ug/L 11/11/22 18:07 1 1,2,3-Trichloropropane <0.48 1.0 0.48 ug/L 11/11/22 18:07 1 1,2-Dibromo-3-Chloropropane <1.8 5.0 1.8 ug/L 11/11/22 18:07 1 1,2-Dichlorobenzene <0.31 1.0 0.31 ug/L 11/11/22 18:07 1 1,2-Dichloroethane <0.25 1.0 0.25 ug/L 11/11/22 18:07 1 1,2-Dichloropropane <0.22 1.0 0.22 ug/L 11/11/22 18:07 1 1,4-Dichlorobenzene <0.31 1.0 0.31 ug/L 11/11/22 18:07 1 2-Butanone (MEK) <6.4 10 6.4 ug/L 11/11/22 18:07 1 2-Hexanone <3.2 10 3.2 ug/L 11/11/22 18:07 1 4-Methyl-2-pentanone (MIBK) <2.7 10 2.7 ug/L 11/11/22 18:07 1 Acetone <3.7 10 3.7 ug/L 11/11/22 18:07 1 Acrylonitrile <5.5 20 5.5 ug/L 11/11/22 18:07 1 Benzene <0.27 1.0 0.27 ug/L 11/11/22 18:07 1 Bromoform <0.59 1.0 0.59 ug/L 11/11/22 18:07 1 Bromomethane <3.7 5.0 3.7 ug/L 11/11/22 18:07 1 Carbon disulfide <0.43 *+ 2.0 0.43 ug/L 11/11/22 18:07 1 Carbon tetrachloride <0.30 *- *1 1.0 0.30 ug/L 11/11/22 18:07 1 Chlorobenzene <0.15 1.0 0.15 ug/L 11/11/22 18:07 1 Chlorobromomethane <0.34 1.0 0.34 ug/L 11/11/22 18:07 1 Chlorodibromomethane <0.39 1.0 0.39 ug/L 11/11/22 18:07 1 Chloroethane <4.6 5.0 4.6 ug/L 11/11/22 18:07 1 Chloroform <0.27 1.0 0.27 ug/L 11/11/22 18:07 1 Chloromethane <0.54 *+ 1.0 0.54 ug/L 11/11/22 18:07 1 cis-1,2-Dichloroethene <0.25 1.0 0.25 ug/L 11/11/22 18:07 1 cis-1,3-Dichloropropene <0.26 1.0 0.26 ug/L 11/11/22 18:07 1 Dibromomethane <0.34 1.0 0.34 ug/L 11/11/22 18:07 1 Dichlorobromomethane <0.25 1.0 0.25 ug/L 11/11/22 18:07 1 Ethylbenzene <0.20 1.0 0.20 ug/L 11/11/22 18:07 1 Ethylene Dibromide <0.33 1.0 0.33 ug/L 11/11/22 18:07 1 lodomethane <3.9 10 3.9 ug/L 11/11/22 18:07 1 Methylene Chloride <3.2 5.0 3.2 ug/L 11/11/22 18:07 1 Styrene <0.27 1.0 0.27 ug/L 11/11/22 18:07 1 Tetrachloroethene <0.35 0.50 0.35 ug/L 11/11/22 18:07 1 Toluene <0.25 1.0 0.25 ug/L 11/11/22 18:07 1 trans- 1,2-Dichloroethene <0.34 1.0 0.34 ug/L 11/11/22 18:07 1 trans- 1,3-Dichloropropene <0.23 1.0 0.23 ug/L 11/11/22 18:07 1 trans- 1,4-Dichloro-2-butene <1.3 2.0 1.3 ug/L 11/11/22 18:07 1 Eurofins Savannah Page 20 of 79 12/1/2022 Client Sample Results Client: Environmental Conservation Laboratories Job ID: 680-224568-1 Project/Site: CF16089 Client Sample ID: 9204-DW1 Lab Sample ID: 680-224568-5 Date Collected: 10/31/22 15:50 Matrix: Ground Water Date Received: 11/02/22 08:00 Method: SW846 8260D - Volatile Organic Compounds by GC/MS (Continued) Analyte Result Qualifier RL MDL Unit D Prepared Analyzed Dil Fac Trichloroethene <0.20 1.0 0.20 ug/L 11/11/22 18:07 1 Trichlorofluoromethane <0.33 *1 1.0 0.33 ug/L 11/11/22 18:07 1 Vinyl acetate <0.69 *- 2.0 0.69 ug/L 11/11/22 18:07 1 Vinyl chloride <0.40 *1 1.0 0.40 ug/L 11/11/22 18:07 1 Xylenes, Total <0.23 1.0 0.23 ug/L 11/11/22 18:07 1 Surrogate %Recovery Qualifier Limits Prepared Analyzed Dil Fac Toluene-d8 (Surr) 124 70 - 130 11111122 18:07 1 1,2-Dichloroethane-d4 (Surr) 81 60- 124 11111122 18:07 1 Dibromofluoromethane (Surr) 112 70 - 130 11111122 18:07 1 4-Bromofluorobenzene (Surr) 96 70 - 130 11111122 18:07 1 Method: SW846 6010D - Metals (ICP) - Total Recoverable Analyte Result Qualifier RL MDL Unit D Prepared Analyzed Dil Fac Cadmium <0.44 5.0 0.44 ug/L 11/04/22 11:23 11/07/22 22:37 1 Beryllium <0.30 4.0 0.30 ug/L 11/04/22 11:23 11/07/22 22:37 1 Barium 12 10 4.4 ug/L 11/04/22 11:23 11/07/22 22:37 1 Nickel <3.3 40 3.3 ug/L 11/04/22 11:23 11/07/22 22:37 1 Vanadium <1.0 10 1.0 ug/L 11/04/22 11:23 11/07/22 22:37 1 Silver <1.5 10 1.5 ug/L 11/04/22 11:23 11/07/22 22:37 1 Arsenic <6.4 20 6.4 ug/L 11/04/22 11:23 11/07/22 22:37 1 Copper <3.2 20 3.2 ug/L 11/04/22 11:23 11/07/22 22:37 1 Lead <6.6 10 6.6 ug/L 11/04/22 11:23 11/07/22 22:37 1 Zinc <8.7 20 8.7 ug/L 11/04/22 11:23 11/07/22 22:37 1 Chromium <1.1 10 1.1 ug/L 11/04/22 11:23 11/07/22 22:37 1 Cobalt <1.4 10 1.4 ug/L 11/04/22 11:23 11/07/22 22:37 1 Method: SW846 6020B - Metals (ICP/MS) - Total Recoverable Analyte Result Qualifier RL MDL Unit D Prepared Analyzed Dil Fac Antimony <0.52 5.0 0.52 ug/L 11/04/22 11:25 11/06/22 01:44 1 Thallium <0.26 1.0 0.26 ug/L 11/04/22 11:25 11/06/22 01:44 1 Selenium <1.2 2.5 1.2 ug/L 11/04/22 11:25 11/06/22 01:44 1 Eurofins Savannah Page 21 of 79 12/1/2022 Client Sample Results Client: Environmental Conservation Laboratories Project/Site: CF16089 Job ID: 680-224568-1 Client Sample ID: 9204-SW1 Lab Sample ID: 680-224568-6 Date Collected: 10/31/22 16:05 Matrix: Ground Water Date Received: 11/02/22 08:00 Method: SW846 8260D SIM - Volatile Organic Compounds (GC/MS) Analyte Result Qualifier RL MDL Unit D Prepared Analyzed Dil Fac 1,4-Dioxane <0.27 1.4 0.27 ug/L 11/12/22 01:01 1 Surrogate %Recovery Qualifier Limits Prepared Analyzed Dil Fac 1,2-Dichloroethane-d4 (Surr) 108 70- 127 11112122 01:01 1 Dibromofluoromethane (Surr) 103 77- 120 11112122 01:01 1 Method: SW846 8260D - Volatile Organic Compounds by GC/MS Analyte Result Qualifier RL MDL Unit D Prepared Analyzed Dil Fac 1,1,1,2-Tetrachloroethane <0.36 1.0 0.36 ug/L 11/11/22 14:20 1 1,1,1-Trichloroethane <0.21 1.0 0.21 ug/L 11/11/22 14:20 1 1,1,2,2-Tetrachloroethane <0.40 1.0 0.40 ug/L 11/11/22 14:20 1 1,1,2-Trichloroethane <0.32 1.0 0.32 ug/L 11/11/22 14:20 1 1,1-Dichloroethane <0.33 1.0 0.33 ug/L 11/11/22 14:20 1 1,1-Dichloroethene <0.33 *1 1.0 0.33 ug/L 11/11/22 14:20 1 1,2,3-Trichloropropane <0.48 1.0 0.48 ug/L 11/11/22 14:20 1 1,2-Dibromo-3-Chloropropane <1.8 5.0 1.8 ug/L 11/11/22 14:20 1 1,2-Dichlorobenzene <0.31 1.0 0.31 ug/L 11/11/22 14:20 1 1,2-Dichloroethane <0.25 1.0 0.25 ug/L 11/11/22 14:20 1 1,2-Dichloropropane <0.22 1.0 0.22 ug/L 11/11/22 14:20 1 1,4-Dichlorobenzene <0.31 1.0 0.31 ug/L 11/11/22 14:20 1 2-Butanone (MEK) 6.5 J 10 6.4 ug/L 11/11/22 14:20 1 2-Hexanone <3.2 10 3.2 ug/L 11/11/22 14:20 1 4-Methyl-2-pentanone (MIBK) <2.7 10 2.7 ug/L 11/11/22 14:20 1 Acetone 8.6 J 10 3.7 ug/L 11/11/22 14:20 1 Acrylonitrile <5.5 20 5.5 ug/L 11/11/22 14:20 1 Benzene <0.27 1.0 0.27 ug/L 11/11/22 14:20 1 Bromoform <0.59 1.0 0.59 ug/L 11/11/22 14:20 1 Bromomethane <3.7 5.0 3.7 ug/L 11/11/22 14:20 1 Carbon disulfide <0.43 *+ 2.0 0.43 ug/L 11/11/22 14:20 1 Carbon tetrachloride <0.30 *- *1 1.0 0.30 ug/L 11/11/22 14:20 1 Chlorobenzene <0.15 1.0 0.15 ug/L 11/11/22 14:20 1 Chlorobromomethane <0.34 1.0 0.34 ug/L 11/11/22 14:20 1 Chlorodibromomethane <0.39 1.0 0.39 ug/L 11/11/22 14:20 1 Chloroethane <4.6 5.0 4.6 ug/L 11/11/22 14:20 1 Chloroform <0.27 1.0 0.27 ug/L 11/11/22 14:20 1 Chloromethane <0.54 *+ 1.0 0.54 ug/L 11/11/22 14:20 1 cis-1,2-Dichloroethene <0.25 1.0 0.25 ug/L 11/11/22 14:20 1 cis-1,3-Dichloropropene <0.26 1.0 0.26 ug/L 11/11/22 14:20 1 Dibromomethane <0.34 1.0 0.34 ug/L 11/11/22 14:20 1 Dichlorobromomethane <0.25 1.0 0.25 ug/L 11/11/22 14:20 1 Ethylbenzene <0.20 1.0 0.20 ug/L 11/11/22 14:20 1 Ethylene Dibromide <0.33 1.0 0.33 ug/L 11/11/22 14:20 1 lodomethane <3.9 10 3.9 ug/L 11/11/22 14:20 1 Methylene Chloride <3.2 5.0 3.2 ug/L 11/11/22 14:20 1 Styrene <0.27 1.0 0.27 ug/L 11/11/22 14:20 1 Tetrachloroethene <0.35 0.50 0.35 ug/L 11/11/22 14:20 1 Toluene 0.26 J 1.0 0.25 ug/L 11/11/22 14:20 1 trans- 1,2-Dichloroethene <0.34 1.0 0.34 ug/L 11/11/22 14:20 1 trans- 1,3-Dichloropropene <0.23 1.0 0.23 ug/L 11/11/22 14:20 1 trans- 1,4-Dichloro-2-butene <1.3 2.0 1.3 ug/L 11/11/22 14:20 1 Eurofins Savannah Page 22 of 79 12/1/2022 Client Sample Results Client: Environmental Conservation Laboratories Job ID: 680-224568-1 Project/Site: CF16089 Client Sample ID: 9204-SW1 Lab Sample ID: 680-224568-6 Date Collected: 10/31/22 16:05 Matrix: Ground Water Date Received: 11/02/22 08:00 Method: SW846 8260D - Volatile Organic Compounds by GC/MS (Continued) Analyte Result Qualifier RL MDL Unit D Prepared Analyzed Dil Fac Trichloroethene <0.20 1.0 0.20 ug/L 11/11/22 14:20 1 Trichlorofluoromethane <0.33 *1 1.0 0.33 ug/L 11/11/22 14:20 1 Vinyl acetate <0.69 *- 2.0 0.69 ug/L 11/11/22 14:20 1 Vinyl chloride <0.40 *1 1.0 0.40 ug/L 11/11/22 14:20 1 Xylenes, Total <0.23 1.0 0.23 ug/L 11/11/22 14:20 1 Surrogate %Recovery Qualifier Limits Prepared Analyzed Dil Fac Toluene-d8 (Surr) 119 70 - 130 11111122 14:20 1 1,2-Dichloroethane-d4 (Surr) 80 60- 124 11111122 14:20 1 Dibromofluoromethane (Surr) 109 70 - 130 11111122 14:20 1 4-Bromofluorobenzene (Surr) 96 70 - 130 11111122 14:20 1 Method: SW846 6010D - Metals (ICP) - Total Recoverable Analyte Result Qualifier RL MDL Unit D Prepared Analyzed Dil Fac Cadmium <0.44 5.0 0.44 ug/L 11/04/22 11:23 11/07/22 22:40 1 Beryllium <0.30 4.0 0.30 ug/L 11/04/22 11:23 11/07/22 22:40 1 Barium 31 10 4.4 ug/L 11/04/22 11:23 11/07/22 22:40 1 Nickel <3.3 40 3.3 ug/L 11/04/22 11:23 11/07/22 22:40 1 Vanadium 3.2 J 10 1.0 ug/L 11/04/22 11:23 11/07/22 22:40 1 Silver <1.5 10 1.5 ug/L 11/04/22 11:23 11/07/22 22:40 1 Arsenic <6.4 20 6.4 ug/L 11/04/22 11:23 11/07/22 22:40 1 Copper <3.2 20 3.2 ug/L 11/04/22 11:23 11/07/22 22:40 1 Lead <6.6 10 6.6 ug/L 11/04/22 11:23 11/07/22 22:40 1 Zinc <8.7 20 8.7 ug/L 11/04/22 11:23 11/07/22 22:40 1 Chromium <1.1 10 1.1 ug/L 11/04/22 11:23 11/07/22 22:40 1 Cobalt 1.4 J 10 1.4 ug/L 11/04/22 11:23 11/07/22 22:40 1 Method: SW846 6020B - Metals (ICP/MS) - Total Recoverable Analyte Result Qualifier RL MDL Unit D Prepared Analyzed Dil Fac Antimony <0.52 5.0 0.52 ug/L 11/04/22 11:25 11/06/22 01:55 1 Thallium <0.26 1.0 0.26 ug/L 11/04/22 11:25 11/06/22 01:55 1 Selenium <1.2 2.5 1.2 ug/L 11/04/22 11:25 11/06/22 01:55 1 Eurofins Savannah Page 23 of 79 12/1/2022 Client Sample Results Client: Environmental Conservation Laboratories Project/Site: CF16089 Job ID: 680-224568-1 Client Sample ID: 9204-SW2 Lab Sample ID: 680-224568-7 Date Collected: 10/31/22 13:00 Matrix: Ground Water Date Received: 11/02/22 08:00 Method: SW846 8260D SIM - Volatile Organic Compounds (GC/MS) Analyte Result Qualifier RL MDL Unit D Prepared Analyzed Dil Fac 1,4-Dioxane 0.71 J 1.4 0.27 ug/L 11/12/22 01:22 1 Surrogate %Recovery Qualifier Limits Prepared Analyzed Dil Fac 1,2-Dichloroethane-d4 (Surr) 109 70- 127 11112122 01:22 1 Dibromofluoromethane (Surr) 104 77- 120 11112122 01:22 1 Method: SW846 8260D - Volatile Organic Compounds by GC/MS Analyte Result Qualifier RL MDL Unit D Prepared Analyzed Dil Fac 1,1,1,2-Tetrachloroethane <0.36 1.0 0.36 ug/L 11/11/22 16:51 1 1,1,1-Trichloroethane <0.21 1.0 0.21 ug/L 11/11/22 16:51 1 1,1,2,2-Tetrachloroethane <0.40 1.0 0.40 ug/L 11/11/22 16:51 1 1,1,2-Trichloroethane <0.32 1.0 0.32 ug/L 11/11/22 16:51 1 1,1-Dichloroethane <0.33 1.0 0.33 ug/L 11/11/22 16:51 1 1,1-Dichloroethene <0.33 *1 1.0 0.33 ug/L 11/11/22 16:51 1 1,2,3-Trichloropropane <0.48 1.0 0.48 ug/L 11/11/22 16:51 1 1,2-Dibromo-3-Chloropropane <1.8 5.0 1.8 ug/L 11/11/22 16:51 1 1,2-Dichlorobenzene <0.31 1.0 0.31 ug/L 11/11/22 16:51 1 1,2-Dichloroethane <0.25 1.0 0.25 ug/L 11/11/22 16:51 1 1,2-Dichloropropane <0.22 1.0 0.22 ug/L 11/11/22 16:51 1 1,4-Dichlorobenzene <0.31 1.0 0.31 ug/L 11/11/22 16:51 1 2-Butanone (MEK) <6.4 10 6.4 ug/L 11/11/22 16:51 1 2-Hexanone <3.2 10 3.2 ug/L 11/11/22 16:51 1 4-Methyl-2-pentanone (MIBK) <2.7 10 2.7 ug/L 11/11/22 16:51 1 Acetone <3.7 10 3.7 ug/L 11/11/22 16:51 1 Acrylonitrile <5.5 20 5.5 ug/L 11/11/22 16:51 1 Benzene <0.27 1.0 0.27 ug/L 11/11/22 16:51 1 Bromoform <0.59 1.0 0.59 ug/L 11/11/22 16:51 1 Bromomethane <3.7 5.0 3.7 ug/L 11/11/22 16:51 1 Carbon disulfide <0.43 *+ 2.0 0.43 ug/L 11/11/22 16:51 1 Carbon tetrachloride <0.30 *- *1 1.0 0.30 ug/L 11/11/22 16:51 1 Chlorobenzene <0.15 1.0 0.15 ug/L 11/11/22 16:51 1 Chlorobromomethane <0.34 1.0 0.34 ug/L 11/11/22 16:51 1 Chlorodibromomethane <0.39 1.0 0.39 ug/L 11/11/22 16:51 1 Chloroethane <4.6 5.0 4.6 ug/L 11/11/22 16:51 1 Chloroform <0.27 1.0 0.27 ug/L 11/11/22 16:51 1 Chloromethane <0.54 *+ 1.0 0.54 ug/L 11/11/22 16:51 1 cis-1,2-Dichloroethene <0.25 1.0 0.25 ug/L 11/11/22 16:51 1 cis-1,3-Dichloropropene <0.26 1.0 0.26 ug/L 11/11/22 16:51 1 Dibromomethane <0.34 1.0 0.34 ug/L 11/11/22 16:51 1 Dichlorobromomethane <0.25 1.0 0.25 ug/L 11/11/22 16:51 1 Ethylbenzene <0.20 1.0 0.20 ug/L 11/11/22 16:51 1 Ethylene Dibromide <0.33 1.0 0.33 ug/L 11/11/22 16:51 1 lodomethane <3.9 10 3.9 ug/L 11/11/22 16:51 1 Methylene Chloride <3.2 5.0 3.2 ug/L 11/11/22 16:51 1 Styrene <0.27 1.0 0.27 ug/L 11/11/22 16:51 1 Tetrachloroethene <0.35 0.50 0.35 ug/L 11/11/22 16:51 1 Toluene <0.25 1.0 0.25 ug/L 11/11/22 16:51 1 trans- 1,2-Dichloroethene <0.34 1.0 0.34 ug/L 11/11/22 16:51 1 trans- 1,3-Dichloropropene <0.23 1.0 0.23 ug/L 11/11/22 16:51 1 trans- 1,4-Dichloro-2-butene <1.3 2.0 1.3 ug/L 11/11/22 16:51 1 Eurofins Savannah Page 24 of 79 12/1/2022 Client Sample Results Client: Environmental Conservation Laboratories Job ID: 680-224568-1 Project/Site: CF16089 Client Sample ID: 9204-SW2 Lab Sample ID: 680-224568-7 Date Collected: 10/31/22 13:00 Matrix: Ground Water Date Received: 11/02/22 08:00 Method: SW846 8260D - Volatile Organic Compounds by GC/MS (Continued) Analyte Result Qualifier RL MDL Unit D Prepared Analyzed Dil Fac Trichloroethene <0.20 1.0 0.20 ug/L 11/11/22 16:51 1 Trichlorofluoromethane <0.33 *1 1.0 0.33 ug/L 11/11/22 16:51 1 Vinyl acetate <0.69 *- 2.0 0.69 ug/L 11/11/22 16:51 1 Vinyl chloride <0.40 *1 1.0 0.40 ug/L 11/11/22 16:51 1 Xylenes, Total <0.23 1.0 0.23 ug/L 11/11/22 16:51 1 Surrogate %Recovery Qualifier Limits Prepared Analyzed Dil Fac Toluene-d8 (Surr) 120 70 - 130 11111122 16:51 1 1,2-Dichloroethane-d4 (Surr) 81 60- 124 11111122 16:51 1 Dibromofluoromethane (Surr) 110 70 - 130 11111122 16:51 1 4-Bromofluorobenzene (Surr) 97 70 - 130 11111122 16:51 1 Method: SW846 6010D - Metals (ICP) - Total Recoverable Analyte Result Qualifier RL MDL Unit D Prepared Analyzed Dil Fac Cadmium <0.44 5.0 0.44 ug/L 11/04/22 11:23 11/07/22 22:44 1 Beryllium <0.30 4.0 0.30 ug/L 11/04/22 11:23 11/07/22 22:44 1 Barium 85 10 4.4 ug/L 11/04/22 11:23 11/07/22 22:44 1 Nickel <3.3 40 3.3 ug/L 11/04/22 11:23 11/07/22 22:44 1 Vanadium 4.5 J 10 1.0 ug/L 11/04/22 11:23 11/07/22 22:44 1 Silver <1.5 10 1.5 ug/L 11/04/22 11:23 11/07/22 22:44 1 Arsenic <6.4 20 6.4 ug/L 11/04/22 11:23 11/07/22 22:44 1 Copper <3.2 20 3.2 ug/L 11/04/22 11:23 11/07/22 22:44 1 Lead <6.6 10 6.6 ug/L 11/04/22 11:23 11/07/22 22:44 1 Zinc <8.7 20 8.7 ug/L 11/04/22 11:23 11/07/22 22:44 1 Chromium <1.1 10 1.1 ug/L 11/04/22 11:23 11/07/22 22:44 1 Cobalt 3.4 J 10 1.4 ug/L 11/04/22 11:23 11/07/22 22:44 1 Method: SW846 6020B - Metals (ICP/MS) - Total Recoverable Analyte Result Qualifier RL MDL Unit D Prepared Analyzed Dil Fac Antimony <0.52 5.0 0.52 ug/L 11/04/22 11:25 11/06/22 01:59 1 Thallium <0.26 1.0 0.26 ug/L 11/04/22 11:25 11/06/22 01:59 1 Selenium <1.2 2.5 1.2 ug/L 11/04/22 11:25 11/06/22 01:59 1 Eurofins Savannah Page 25 of 79 12/1/2022 Client Sample Results Client: Environmental Conservation Laboratories Project/Site: CF16089 Job ID: 680-224568-1 Client Sample ID: 9204-MW8 Lab Sample ID: 680-224568-8 Date Collected: 10/31/22 14:45 Matrix: Ground Water Date Received: 11/02/22 08:00 Method: SW846 8260D SIM - Volatile Organic Compounds (GC/MS) Analyte Result Qualifier RL MDL Unit D Prepared Analyzed Dil Fac 1,4-Dioxane <0.27 1.4 0.27 ug/L 11/12/22 01:42 1 Surrogate %Recovery Qualifier Limits Prepared Analyzed Dil Fac 1,2-Dichloroethane-d4 (Surr) 109 70- 127 11112122 01:42 1 Dibromofluoromethane (Surr) 105 77- 120 11112122 01:42 1 Method: SW846 8260D - Volatile Organic Compounds by GC/MS Analyte Result Qualifier RL MDL Unit D Prepared Analyzed Dil Fac 1,1,1,2-Tetrachloroethane <0.36 1.0 0.36 ug/L 11/11/22 15:55 1 1,1,1-Trichloroethane <0.21 1.0 0.21 ug/L 11/11/22 15:55 1 1,1,2,2-Tetrachloroethane <0.40 1.0 0.40 ug/L 11/11/22 15:55 1 1,1,2-Trichloroethane <0.32 1.0 0.32 ug/L 11/11/22 15:55 1 1,1-Dichloroethane 0.98 J 1.0 0.33 ug/L 11/11/22 15:55 1 1,1-Dichloroethene <0.33 *1 1.0 0.33 ug/L 11/11/22 15:55 1 1,2,3-Trichloropropane <0.48 1.0 0.48 ug/L 11/11/22 15:55 1 1,2-Dibromo-3-Chloropropane <1.8 5.0 1.8 ug/L 11/11/22 15:55 1 1,2-Dichlorobenzene <0.31 1.0 0.31 ug/L 11/11/22 15:55 1 1,2-Dichloroethane <0.25 1.0 0.25 ug/L 11/11/22 15:55 1 1,2-Dichloropropane <0.22 1.0 0.22 ug/L 11/11/22 15:55 1 1,4-Dichlorobenzene <0.31 1.0 0.31 ug/L 11/11/22 15:55 1 2-Butanone (MEK) <6.4 10 6.4 ug/L 11/11/22 15:55 1 2-Hexanone <3.2 10 3.2 ug/L 11/11/22 15:55 1 4-Methyl-2-pentanone (MIBK) <2.7 10 2.7 ug/L 11/11/22 15:55 1 Acetone <3.7 10 3.7 ug/L 11/11/22 15:55 1 Acrylonitrile <5.5 20 5.5 ug/L 11/11/22 15:55 1 Benzene 1.8 1.0 0.27 ug/L 11/11/22 15:55 1 Bromoform <0.59 1.0 0.59 ug/L 11/11/22 15:55 1 Bromomethane <3.7 5.0 3.7 ug/L 11/11/22 15:55 1 Carbon disulfide <0.43 *+ 2.0 0.43 ug/L 11/11/22 15:55 1 Carbon tetrachloride <0.30 *- *1 1.0 0.30 ug/L 11/11/22 15:55 1 Chlorobenzene <0.15 1.0 0.15 ug/L 11/11/22 15:55 1 Chlorobromomethane <0.34 1.0 0.34 ug/L 11/11/22 15:55 1 Chlorodibromomethane <0.39 1.0 0.39 ug/L 11/11/22 15:55 1 Chloroethane <4.6 5.0 4.6 ug/L 11/11/22 15:55 1 Chloroform <0.27 1.0 0.27 ug/L 11/11/22 15:55 1 Chloromethane <0.54 *+ 1.0 0.54 ug/L 11/11/22 15:55 1 cis-1,2-Dichloroethene 9.5 1.0 0.25 ug/L 11/11/22 15:55 1 cis-1,3-Dichloropropene <0.26 1.0 0.26 ug/L 11/11/22 15:55 1 Dibromomethane <0.34 1.0 0.34 ug/L 11/11/22 15:55 1 Dichlorobromomethane <0.25 1.0 0.25 ug/L 11/11/22 15:55 1 Ethylbenzene <0.20 1.0 0.20 ug/L 11/11/22 15:55 1 Ethylene Dibromide <0.33 1.0 0.33 ug/L 11/11/22 15:55 1 lodomethane <3.9 10 3.9 ug/L 11/11/22 15:55 1 Methylene Chloride <3.2 5.0 3.2 ug/L 11/11/22 15:55 1 Styrene <0.27 1.0 0.27 ug/L 11/11/22 15:55 1 Tetrachloroethene 22 0.50 0.35 ug/L 11/11/22 15:55 1 Toluene <0.25 1.0 0.25 ug/L 11/11/22 15:55 1 trans- 1,2-Dichloroethene <0.34 1.0 0.34 ug/L 11/11/22 15:55 1 trans- 1,3-Dichloropropene <0.23 1.0 0.23 ug/L 11/11/22 15:55 1 trans- 1,4-Dichloro-2-butene <1.3 2.0 1.3 ug/L 11/11/22 15:55 1 Eurofins Savannah Page 26 of 79 12/1/2022 Client Sample Results Client: Environmental Conservation Laboratories Job ID: 680-224568-1 Project/Site: CF16089 Client Sample ID: 9204-MW8 Lab Sample ID: 680-224568-8 Date Collected: 10/31/22 14:45 Matrix: Ground Water Date Received: 11/02/22 08:00 Method: SW846 8260D - Volatile Organic Compounds by GC/MS (Continued) Analyte Result Qualifier RL MDL Unit D Prepared Analyzed Dil Fac Trichloroethene 14 1.0 0.20 ug/L 11/11/22 15:55 1 Trichlorofluoromethane <0.33 "1 1.0 0.33 ug/L 11/11/22 15:55 1 Vinyl acetate <0.69 "- 2.0 0.69 ug/L 11/11/22 15:55 1 Vinyl chloride 2.9 "1 1.0 0.40 ug/L 11/11/22 15:55 1 Xylenes, Total 0.45 J 1.0 0.23 ug/L 11/11/22 15:55 1 Surrogate %Recovery Qualifier Limits Prepared Analyzed Dil Fac Toluene-d8 (Surr) 116 70 - 130 11111122 15:55 1 1,2-Dichloroethane-d4 (Surr) 80 60- 124 11111122 15:55 1 Dibromofluoromethane (Surr) 106 70 - 130 11111122 15:55 1 4-Bromofluorobenzene (Surr) 96 70 - 130 11111122 15:55 1 Method: SW846 8270E - Semivolatile Organic Compounds (GC/MS) Analyte Result Qualifier RL MDL Unit D Prepared Analyzed Dil Fac Acenaphthene <0.77 10 0.77 ug/L 11/05/22 22:10 11/15/22 05:42 1 Acenaphthylene <0.87 10 0.87 ug/L 11/05/22 22:10 11/15/22 05:42 1 Acetophenone <0.58 10 0.58 ug/L 11/05/22 22:10 11/15/22 05:42 1 alpha,alpha-Dimethyl phenethylamine <36 "1 2000 36 ug/L 11/05/22 22:10 11/15/22 05:42 1 4-Aminobiphenyl <1.2 10 1.2 ug/L 11/05/22 22:10 11/15/22 05:42 1 Anthracene <0.70 10 0.70 ug/L 11/05/22 22:10 11/15/22 05:42 1 Benzyl alcohol <1.1 10 1.1 ug/L 11/05/22 22:10 11/15/22 05:42 1 Bis(2-chloroethoxy)methane <0.96 10 0.96 ug/L 11/05/22 22:10 11/15/22 05:42 1 Bis(2-chloroethyl)ether <1.1 10 1.1 ug/L 11/05/22 22:10 11/15/22 05:42 1 bis (2-chloroisopropyl) ether <0.79 10 0.79 ug/L 11/05/22 22:10 11/15/22 05:42 1 4-Bromophenyl phenyl ether <0.78 10 0.78 ug/L 11/05/22 22:10 11/15/22 05:42 1 Butyl benzyl phthalate <1.2 10 1.2 ug/L 11/05/22 22:10 11/15/22 05:42 1 4-Chloroaniline <2.2 `- "1 20 2.2 ug/L 11/05/22 22:10 11/15/22 05:42 1 4-Chloro-3-methylphenol <1.0 10 1.0 ug/L 11/05/22 22:10 11/15/22 05:42 1 2-Chloronaphthalene <0.81 10 0.81 ug/L 11/05/22 22:10 11/15/22 05:42 1 2-Chlorophenol <0.89 10 0.89 ug/L 11/05/22 22:10 11/15/22 05:42 1 4-Chlorophenyl phenyl ether <0.85 10 0.85 ug/L 11/05/22 22:10 11/15/22 05:42 1 Diallate <0.79 10 0.79 ug/L 11/05/22 22:10 11/15/22 05:42 1 Dibenzofuran <0.80 10 0.80 ug/L 11/05/22 22:10 11/15/22 05:42 1 2,4-Dichlorophenol <1.1 10 1.1 ug/L 11/05/22 22:10 11/15/22 05:42 1 2,6-Dichlorophenol <0.74 10 0.74 ug/L 11/05/22 22:10 11/15/22 05:42 1 Diethyl phthalate <0.90 10 0.90 ug/L 11/05/22 22:10 11/15/22 05:42 1 Dimethoate <0.76 10 0.76 ug/L 11/05/22 22:10 11/15/22 05:42 1 2,4-Dimethylphenol <4.1 *- 10 4.1 ug/L 11/05/22 22:10 11/15/22 05:42 1 Dimethyl phthalate <1.0 10 1.0 ug/L 11/05/22 22:10 11/15/22 05:42 1 1,3-Dinitrobenzene <0.61 10 0.61 ug/L 11/05/22 22:10 11/15/22 05:42 1 4,6-Dinitro-2-methylphenol <10 51 10 ug/L 11/05/22 22:10 11/15/22 05:42 1 2,4-Dinitrophenol <10 51 10 ug/L 11/05/22 22:10 11/15/22 05:42 1 2,4-Dinitrotoluene <1.2 10 1.2 ug/L 11/05/22 22:10 11/15/22 05:42 1 2,6-Dinitrotoluene <1.1 10 1.1 ug/L 11/05/22 22:10 11/15/22 05:42 1 Disulfoton <0.80 10 0.80 ug/L 11/05/22 22:10 11/15/22 05:42 1 Ethyl methanesulfonate <0.98 10 0.98 ug/L 11/05/22 22:10 11/15/22 05:42 1 Fluoranthene <0.75 10 0.75 ug/L 11/05/22 22:10 11/15/22 05:42 1 Fluorene <0.98 10 0.98 ug/L 11/05/22 22:10 11/15/22 05:42 1 Hexachlorobenzene <0.80 10 0.80 ug/L 11/05/22 22:10 11/15/22 05:42 1 Hexachlorobutadiene <0.63 10 0.63 ug/L 11/05/22 22:10 11/15/22 05:42 1 Eurofins Savannah Page 27 of 79 12/1/2022 Client Sample Results Client: Environmental Conservation Laboratories Project/Site: CF16089 Job ID: 680-224568-1 Client Sample ID: 9204-MW8 Lab Sample ID: 680-224568-8 Date Collected: 10/31/22 14:45 Matrix: Ground Water Date Received: 11/02/22 08:00 Method: SW846 8270E - Semivolatile Organic Compounds (GC/MS) (Continued) Analyte Result Qualifier RL MDL Unit Hexachlorocyclopentadiene <2.5 10 2.5 ug/L Hexachloroethane <0.77 10 0.77 ug/L Hexachloropropene <1.4 10 1.4 ug/L Isodrin <10 10 10 ug/L Isophorone <0.92 10 0.92 ug/L Isosafrole <0.51 10 0.51 ug/L Methapyrilene <2.7 2000 2.7 ug/L Methyl methanesulfonate <0.61 10 0.61 ug/L 2-Methyl naphtha lene <0.79 10 0.79 ug/L 2-Methylphenol <0.91 10 0.91 ug/L 3 & 4 Methylphenol <1.3 10 1.3 ug/L 1,4-Naphthoquinone <0.63 *+ 10 0.63 ug/L 1-Naphthylamine <1.1 10 1.1 ug/L 2-Naphthylamine <1.5 10 1.5 ug/L 2-Nitroaniline <1.3 51 1.3 ug/L 3-Nitroaniline <5.1 *- 51 5.1 ug/L 4-Nitroaniline <5.1 51 5.1 ug/L Nitrobenzene <0.74 10 0.74 ug/L 2-Nitrophenol <0.77 10 0.77 ug/L 4-Nitrophenol <1.9 *- *1 51 1.9 ug/L N-Nitro-o-toluidine <1.5 10 1.5 ug/L N-Nitrosodiethylamine <0.95 10 0.95 ug/L N-Nitrosodimethylamine <2.8 *1 10 2.8 ug/L N-Nitrosodi-n-butylamine <0.98 10 0.98 ug/L N-Nitrosodi-n-propylamine <0.73 10 0.73 ug/L N-Nitrosodiphenylamine <0.94 10 0.94 ug/L N-Nitrosomethylethylamine <3.4 10 3.4 ug/L N-Nitrosopiperidine <0.90 10 0.90 ug/L N-Nitrosopyrrolidine <1.0 10 1.0 ug/L o,o',o"-Triethylphosphorothioate <1.0 10 1.0 ug/L Pentachlorobenzene <0.53 10 0.53 ug/L Pentachloronitrobenzene <0.79 *- 10 0.79 ug/L Phenacetin <1.4 10 1.4 ug/L Phenanthrene <0.78 10 0.78 ug/L Phenol <0.84 *- *1 10 0.84 ug/L Phorate <0.89 10 0.89 ug/L p-Phenylene diamine <10 * *1 2000 10 ug/L Pronamide <0.91 10 0.91 ug/L Pyrene <0.64 10 0.64 ug/L Safrole, Total <0.81 10 0.81 ug/L 1,2,4,5-Tetrachlorobenzene <0.77 10 0.77 ug/L 2,3,4,6-Tetrachlorophenol <0.73 *- 10 0.73 ug/L Thionazin <0.93 10 0.93 ug/L 2,4,5-Trichlorophenol <1.2 10 1.2 ug/L 2,4,6-Trichlorophenol <0.87 10 0.87 ug/L 1,3,5-Trinitrobenzene <2.0 10 2.0 ug/L Surrogate %Recovery Qualifier Limits 2-Fluorobiphenyl (Surr) 47 32- 113 2-Fluorophenol (Surr) 43 26 - 109 D Prepared Analyzed Dil Fac 11 /05/22 22:10 11 /15/22 05:42 1 11 /05/22 22:10 11 /15/22 05:42 1 11 /05/22 22:10 11 /15/22 05:42 1 11 /05/22 22:10 11 /15/22 05:42 1 11 /05/22 22:10 11 /15/22 05:42 1 11 /05/22 22:10 11 /15/22 05:42 1 11 /05/22 22:10 11 /15/22 05:42 1 11 /05/22 22:10 11 /15/22 05:42 1 11 /05/22 22:10 11 /15/22 05:42 1 11 /05/22 22:10 11 /15/22 05:42 1 11 /05/22 22:10 11 /15/22 05:42 1 11 /05/22 22:10 11 /15/22 05:42 1 11 /05/22 22:10 11 /15/22 05:42 1 11 /05/22 22:10 11 /15/22 05:42 1 11 /05/22 22:10 11 /15/22 05:42 1 11 /05/22 22:10 11 /15/22 05:42 1 11 /05/22 22:10 11 /15/22 05:42 1 11 /05/22 22:10 11 /15/22 05:42 1 11 /05/22 22:10 11 /15/22 05:42 1 11 /05/22 22:10 11 /15/22 05:42 1 11 /05/22 22:10 11 /15/22 05:42 1 11 /05/22 22:10 11 /15/22 05:42 1 11 /05/22 22:10 11 /15/22 05:42 1 11 /05/22 22:10 11 /15/22 05:42 1 11 /05/22 22:10 11 /15/22 05:42 1 11 /05/22 22:10 11 /15/22 05:42 1 11 /05/22 22:10 11 /15/22 05:42 1 11 /05/22 22:10 11 /15/22 05:42 1 11 /05/22 22:10 11 /15/22 05:42 1 11 /05/22 22:10 11 /15/22 05:42 1 11 /05/22 22:10 11 /15/22 05:42 1 11 /05/22 22:10 11 /15/22 05:42 1 11 /05/22 22:10 11 /15/22 05:42 1 11 /05/22 22:10 11 /15/22 05:42 1 11 /05/22 22:10 11 /15/22 05:42 1 11 /05/22 22:10 11 /15/22 05:42 1 11 /05/22 22:10 11 /15/22 05:42 1 11 /05/22 22:10 11 /15/22 05:42 1 11 /05/22 22:10 11 /15/22 05:42 1 11 /05/22 22:10 11 /15/22 05:42 1 11 /05/22 22:10 11 /15/22 05:42 1 11 /05/22 22:10 11 /15/22 05:42 1 11 /05/22 22:10 11 /15/22 05:42 1 11 /05/22 22:10 11 /15/22 05:42 1 11 /05/22 22:10 11 /15/22 05:42 1 11 /05/22 22:10 11 /15/22 05:42 1 Prepared Analyzed Dil Fac 11105122 22:10 11115122 05:42 1 11105122 22:10 11115122 05:42 1 Eurofins Savannah Page 28 of 79 12/1/2022 Client Sample Results Client: Environmental Conservation Laboratories Project/Site: CF16089 Job ID: 680-224568-1 Client Sample ID: 9204-MW8 Lab Sample ID: 680-224568-8 Date Collected: 10/31/22 14:45 Matrix: Ground Water Date Received: 11/02/22 08:00 Method: SW846 8270E - Semivolatile Organic Compounds (GC/MS) (Continued) Surrogate %Recovery Qualifier Limits Nitrobenzene-d5 (Surr) 53 32 - 118 Phenol-d5 (Surr) 50 27- 110 Terphenyl-d 14 (Surr) 55 10 - 126 2,4,6-Tribromophenol (Surr) 47 39- 124 Method: SW846 6010D - Metals (ICP) - Total Recoverable Analyte Result Qualifier RL Cadmium <0.44 5.0 Beryllium <0.30 4.0 Barium 97 10 Nickel <3.3 40 Vanadium <1.0 10 Silver <1.5 10 Arsenic <6.4 20 Copper <3.2 20 Lead <6.6 10 Zinc 23 20 Chromium <1.1 10 Cobalt 4.4 J 10 Method: SW846 6020B - Metals (ICP/MS) - Total Recoverable Analyte Result Qualifier RL Antimony <0.52 5.0 Thallium <0.26 1.0 Selenium <1.2 2.5 Method: SW846 7470A - Mercury (CVAA) Analyte Result Qualifier RL Mercury <0.080 0.20 General Chemistry Analyte Result Qualifier RL Cyanide, Total (SW846 9012B) Analyte Sulfide (SM 4500 S2 F-2011) Sulfide as 1-12S (SM 4500 S2 F-2011) 0.0047 J F1 F2 Result Qualifier <0.93 <1.0 0.010 RL 0.93 1.0 Prepared Analyzed Dil Fac 11105122 22:10 11115122 05:42 1 11105122 22:10 11115122 05:42 1 11105122 22:10 11115122 05:42 1 11105122 22:10 11115122 05:42 1 MDL Unit D Prepared Analyzed Dil Fac 0.44 ug/L 11/04/22 11:23 11/07/22 22:47 1 0.30 ug/L 11/04/22 11:23 11/07/22 22:47 1 4.4 ug/L 11/04/22 11:23 11/07/22 22:47 1 3.3 ug/L 11/04/22 11:23 11/07/22 22:47 1 1.0 ug/L 11/04/22 11:23 11/07/22 22:47 1 1.5 ug/L 11/04/22 11:23 11/07/22 22:47 1 6.4 ug/L 11/04/22 11:23 11/07/22 22:47 1 3.2 ug/L 11/04/22 11:23 11/07/22 22:47 1 6.6 ug/L 11/04/22 11:23 11/07/22 22:47 1 8.7 ug/L 11/04/22 11:23 11/07/22 22:47 1 1.1 ug/L 11/04/22 11:23 11/07/22 22:47 1 1.4 ug/L 11/04/22 11:23 11/07/22 22:47 1 MDL Unit D Prepared Analyzed Dil Fac 0.52 ug/L 11/04/22 11:25 11/06/22 01:03 1 0.26 ug/L 11/04/22 11:25 11/06/22 01:03 1 1.2 ug/L 11/04/22 11:25 11/06/22 01:03 1 MDL Unit D Prepared Analyzed Dil Fac 0.080 ug/L 11/07/22 18:21 11/09/22 09:09 1 MDL Unit D Prepared Analyzed Dil Fac 0.0025 mg/L 11/09/22 08:30 11/09/22 16:06 1 RL Unit D Prepared Analyzed Dil Fac 0.93 mg/L 11/04/2212:55 1 1.0 mg/L 11/04/2212:55 1 Page 29 of 79 Eurofins Savannah 12/1 /2022 Client Sample Results Client: Environmental Conservation Laboratories Project/Site: CF16089 Job ID: 680-224568-1 Client Sample ID: 9204-GP-10S Lab Sample ID: 680-224568-9 Date Collected: 10/31/22 17:25 Matrix: Ground Water Date Received: 11/02/22 08:00 Method: SW846 8260D SIM - Volatile Organic Compounds (GC/MS) Analyte Result Qualifier RL MDL Unit D Prepared Analyzed Dil Fac 1,4-Dioxane <0.27 1.4 0.27 ug/L 11/12/22 02:02 1 Surrogate %Recovery Qualifier Limits Prepared Analyzed Dil Fac 1,2-Dichloroethane-d4 (Surr) 110 70- 127 11112122 02:02 1 Dibromofluoromethane (Surr) 105 77- 120 11112122 02:02 1 Method: SW846 8260D - Volatile Organic Compounds by GC/MS Analyte Result Qualifier RL MDL Unit D Prepared Analyzed Dil Fac 1,1,1,2-Tetrachloroethane <0.36 1.0 0.36 ug/L 11/11/22 16:13 1 1,1,1-Trichloroethane <0.21 1.0 0.21 ug/L 11/11/22 16:13 1 1,1,2,2-Tetrachloroethane <0.40 1.0 0.40 ug/L 11/11/22 16:13 1 1,1,2-Trichloroethane <0.32 1.0 0.32 ug/L 11/11/22 16:13 1 1,1-Dichloroethane <0.33 1.0 0.33 ug/L 11/11/22 16:13 1 1,1-Dichloroethene <0.33 *1 1.0 0.33 ug/L 11/11/22 16:13 1 1,2,3-Trichloropropane <0.48 1.0 0.48 ug/L 11/11/22 16:13 1 1,2-Dibromo-3-Chloropropane <1.8 5.0 1.8 ug/L 11/11/22 16:13 1 1,2-Dichlorobenzene <0.31 1.0 0.31 ug/L 11/11/22 16:13 1 1,2-Dichloroethane <0.25 1.0 0.25 ug/L 11/11/22 16:13 1 1,2-Dichloropropane <0.22 1.0 0.22 ug/L 11/11/22 16:13 1 1,4-Dichlorobenzene <0.31 1.0 0.31 ug/L 11/11/22 16:13 1 2-Butanone (MEK) <6.4 10 6.4 ug/L 11/11/22 16:13 1 2-Hexanone <3.2 10 3.2 ug/L 11/11/22 16:13 1 4-Methyl-2-pentanone (MIBK) <2.7 10 2.7 ug/L 11/11/22 16:13 1 Acetone 14 10 3.7 ug/L 11/11/22 16:13 1 Acrylonitrile <5.5 20 5.5 ug/L 11/11/22 16:13 1 Benzene <0.27 1.0 0.27 ug/L 11/11/22 16:13 1 Bromoform <0.59 1.0 0.59 ug/L 11/11/22 16:13 1 Bromomethane <3.7 5.0 3.7 ug/L 11/11/22 16:13 1 Carbon disulfide <0.43 *+ 2.0 0.43 ug/L 11/11/22 16:13 1 Carbon tetrachloride <0.30 *- *1 1.0 0.30 ug/L 11/11/22 16:13 1 Chlorobenzene <0.15 1.0 0.15 ug/L 11/11/22 16:13 1 Chlorobromomethane <0.34 1.0 0.34 ug/L 11/11/22 16:13 1 Chlorodibromomethane <0.39 1.0 0.39 ug/L 11/11/22 16:13 1 Chloroethane <4.6 5.0 4.6 ug/L 11/11/22 16:13 1 Chloroform <0.27 1.0 0.27 ug/L 11/11/22 16:13 1 Chloromethane <0.54 *+ 1.0 0.54 ug/L 11/11/22 16:13 1 cis-1,2-Dichloroethene <0.25 1.0 0.25 ug/L 11/11/22 16:13 1 cis-1,3-Dichloropropene <0.26 1.0 0.26 ug/L 11/11/22 16:13 1 Dibromomethane <0.34 1.0 0.34 ug/L 11/11/22 16:13 1 Dichlorobromomethane <0.25 1.0 0.25 ug/L 11/11/22 16:13 1 Ethylbenzene <0.20 1.0 0.20 ug/L 11/11/22 16:13 1 Ethylene Dibromide <0.33 1.0 0.33 ug/L 11/11/22 16:13 1 lodomethane <3.9 10 3.9 ug/L 11/11/22 16:13 1 Methylene Chloride <3.2 5.0 3.2 ug/L 11/11/22 16:13 1 Styrene <0.27 1.0 0.27 ug/L 11/11/22 16:13 1 Tetrachloroethene 0.61 0.50 0.35 ug/L 11/11/22 16:13 1 Toluene <0.25 1.0 0.25 ug/L 11/11/22 16:13 1 trans- 1,2-Dichloroethene <0.34 1.0 0.34 ug/L 11/11/22 16:13 1 trans- 1,3-Dichloropropene <0.23 1.0 0.23 ug/L 11/11/22 16:13 1 trans- 1,4-Dichloro-2-butene <1.3 2.0 1.3 ug/L 11/11/22 16:13 1 Eurofins Savannah Page 30 of 79 12/1/2022 Client Sample Results Client: Environmental Conservation Laboratories Job ID: 680-224568-1 Project/Site: CF16089 Client Sample ID: 9204-GP-10S Lab Sample ID: 680-224568-9 Date Collected: 10/31/22 17:25 Matrix: Ground Water Date Received: 11/02/22 08:00 Method: SW846 8260D - Volatile Organic Compounds by GC/MS (Continued) Analyte Result Qualifier RL MDL Unit D Prepared Analyzed Dil Fac Trichloroethene <0.20 1.0 0.20 ug/L 11/11/22 16:13 1 Trichlorofluoromethane <0.33 *1 1.0 0.33 ug/L 11/11/22 16:13 1 Vinyl acetate <0.69 *- 2.0 0.69 ug/L 11/11/22 16:13 1 Vinyl chloride <0.40 *1 1.0 0.40 ug/L 11/11/22 16:13 1 Xylenes, Total <0.23 1.0 0.23 ug/L 11/11/22 16:13 1 Surrogate %Recovery Qualifier Limits Prepared Analyzed Dil Fac Toluene-d8 (Surr) 122 70 - 130 11111122 16:13 1 1,2-Dichloroethane-d4 (Surr) 80 60- 124 11111122 16:13 1 Dibromofluoromethane (Surr) 110 70 - 130 11111122 16:13 1 4-Bromofluorobenzene (Surr) 98 70 - 130 11111122 16:13 1 Method: SW846 8270E - Semivolatile Organic Compounds (GC/MS) Analyte Result Qualifier RL MDL Unit D Prepared Analyzed Dil Fac Acenaphthene <0.77 10 0.77 ug/L 11/05/22 22:10 11/15/22 06:06 1 Acenaphthylene <0.86 10 0.86 ug/L 11/05/22 22:10 11/15/22 06:06 1 Acetophenone <0.58 10 0.58 ug/L 11/05/22 22:10 11/15/22 06:06 1 alpha,alpha-Dimethyl phenethylamine <35 *1 2000 35 ug/L 11/05/22 22:10 11/15/22 06:06 1 4-Aminobiphenyl <1.2 10 1.2 ug/L 11/05/22 22:10 11/15/22 06:06 1 Anthracene <0.70 10 0.70 ug/L 11/05/22 22:10 11/15/22 06:06 1 Benzyl alcohol <1.1 10 1.1 ug/L 11/05/22 22:10 11/15/22 06:06 1 Bis(2-chloroethoxy)methane <0.95 10 0.95 ug/L 11/05/22 22:10 11/15/22 06:06 1 Bis(2-chloroethyl)ether <1.1 10 1.1 ug/L 11/05/22 22:10 11/15/22 06:06 1 bis (2-chloroisopropyl) ether <0.79 10 0.79 ug/L 11/05/22 22:10 11/15/22 06:06 1 4-Bromophenyl phenyl ether <0.78 10 0.78 ug/L 11/05/22 22:10 11/15/22 06:06 1 Butyl benzyl phthalate <1.2 10 1.2 ug/L 11/05/22 22:10 11/15/22 06:06 1 4-Chloroaniline <2.2 *- *1 20 2.2 ug/L 11/05/22 22:10 11/15/22 06:06 1 4-Chloro-3-methylphenol <1.0 10 1.0 ug/L 11/05/22 22:10 11/15/22 06:06 1 2-Chloronaphthalene <0.81 10 0.81 ug/L 11/05/22 22:10 11/15/22 06:06 1 2-Chlorophenol <0.88 10 0.88 ug/L 11/05/22 22:10 11/15/22 06:06 1 4-Chlorophenyl phenyl ether <0.85 10 0.85 ug/L 11/05/22 22:10 11/15/22 06:06 1 Diallate <0.79 10 0.79 ug/L 11/05/22 22:10 11/15/22 06:06 1 Dibenzofuran <0.80 10 0.80 ug/L 11/05/22 22:10 11/15/22 06:06 1 2,4-Dichlorophenol <1.1 10 1.1 ug/L 11/05/22 22:10 11/15/22 06:06 1 2,6-Dichlorophenol <0.74 10 0.74 ug/L 11/05/22 22:10 11/15/22 06:06 1 Diethyl phthalate <0.89 10 0.89 ug/L 11/05/22 22:10 11/15/22 06:06 1 Dimethoate <0.76 10 0.76 ug/L 11/05/22 22:10 11/15/22 06:06 1 2,4-Dimethylphenol <4.1 *- 10 4.1 ug/L 11/05/22 22:10 11/15/22 06:06 1 Dimethyl phthalate <1.0 10 1.0 ug/L 11/05/22 22:10 11/15/22 06:06 1 1,3-Dinitrobenzene <0.61 10 0.61 ug/L 11/05/22 22:10 11/15/22 06:06 1 4,6-Dinitro-2-methylphenol <10 51 10 ug/L 11/05/22 22:10 11/15/22 06:06 1 2,4-Dinitrophenol <10 51 10 ug/L 11/05/22 22:10 11/15/22 06:06 1 2,4-Dinitrotoluene <1.2 10 1.2 ug/L 11/05/22 22:10 11/15/22 06:06 1 2,6-Dinitrotoluene <1.1 10 1.1 ug/L 11/05/22 22:10 11/15/22 06:06 1 Disulfoton <0.80 10 0.80 ug/L 11/05/22 22:10 11/15/22 06:06 1 Ethyl methanesulfonate <0.97 10 0.97 ug/L 11/05/22 22:10 11/15/22 06:06 1 Fluoranthene <0.75 10 0.75 ug/L 11/05/22 22:10 11/15/22 06:06 1 Fluorene <0.97 10 0.97 ug/L 11/05/22 22:10 11/15/22 06:06 1 Hexachlorobenzene <0.80 10 0.80 ug/L 11/05/22 22:10 11/15/22 06:06 1 Hexachlorobutadiene <0.63 10 0.63 ug/L 11/05/22 22:10 11/15/22 06:06 1 Eurofins Savannah Page 31 of 79 12/1/2022 Client Sample Results Client: Environmental Conservation Laboratories Project/Site: CF16089 Job ID: 680-224568-1 Client Sample ID: 9204-GP-10S Lab Sample ID: 680-224568-9 Date Collected: 10/31/22 17:25 Matrix: Ground Water Date Received: 11/02/22 08:00 Method: SW846 8270E - Semivolatile Organic Compounds (GC/MS) (Continued) Analyte Result Qualifier RL MDL Unit Hexachlorocyclopentadiene <2.5 10 2.5 ug/L Hexachloroethane <0.77 10 0.77 ug/L Hexachloropropene <1.4 10 1.4 ug/L Isodrin <10 10 10 ug/L Isophorone <0.91 10 0.91 ug/L Isosafrole <0.51 10 0.51 ug/L Methapyrilene <2.7 2000 2.7 ug/L Methyl methanesulfonate <0.61 10 0.61 ug/L 2-Methyl naphtha lene <0.79 10 0.79 ug/L 2-Methylphenol <0.90 10 0.90 ug/L 3 & 4 Methylphenol <1.3 10 1.3 ug/L 1,4-Naphthoquinone <0.63 *+ 10 0.63 ug/L 1-Naphthylamine <1.1 10 1.1 ug/L 2-Naphthylamine <1.5 10 1.5 ug/L 2-Nitroaniline <1.3 51 1.3 ug/L 3-Nitroaniline <5.1 *- 51 5.1 ug/L 4-Nitroaniline <5.1 51 5.1 ug/L Nitrobenzene <0.74 10 0.74 ug/L 2-Nitrophenol <0.77 10 0.77 ug/L 4-Nitrophenol <1.9 *- *1 51 1.9 ug/L N-Nitro-o-toluidine <1.5 10 1.5 ug/L N-Nitrosodiethylamine <0.94 10 0.94 ug/L N-Nitrosodimethylamine <2.8 *1 10 2.8 ug/L N-Nitrosodi-n-butylamine <0.97 10 0.97 ug/L N-Nitrosodi-n-propylamine <0.73 10 0.73 ug/L N-Nitrosodiphenylamine <0.93 10 0.93 ug/L N-Nitrosomethylethylamine <3.3 10 3.3 ug/L N-Nitrosopiperidine <0.89 10 0.89 ug/L N-Nitrosopyrrolidine <1.0 10 1.0 ug/L o,o',o"-Triethylphosphorothioate <1.0 10 1.0 ug/L Pentachlorobenzene <0.53 10 0.53 ug/L Pentachloronitrobenzene <0.79 *- 10 0.79 ug/L Phenacetin <1.4 10 1.4 ug/L Phenanthrene <0.78 10 0.78 ug/L Phenol <0.84 *- *1 10 0.84 ug/L Phorate <0.88 10 0.88 ug/L p-Phenylene diamine <10 * *1 2000 10 ug/L Pronamide <0.90 10 0.90 ug/L Pyrene <0.64 10 0.64 ug/L Safrole, Total <0.81 10 0.81 ug/L 1,2,4,5-Tetrachlorobenzene <0.77 10 0.77 ug/L 2,3,4,6-Tetrachlorophenol <0.73 *- 10 0.73 ug/L Thionazin <0.92 10 0.92 ug/L 2,4,5-Trichlorophenol <1.2 10 1.2 ug/L 2,4,6-Trichlorophenol <0.86 10 0.86 ug/L 1,3,5-Trinitrobenzene <2.0 10 2.0 ug/L Surrogate %Recovery Qualifier Limits 2-Fluorobiphenyl (Surr) 38 32- 113 2-Fluorophenol (Surr) 36 26 - 109 D Prepared Analyzed Dil Fac 11 /05/22 22:10 11 /15/22 06:06 1 11 /05/22 22:10 11 /15/22 06:06 1 11 /05/22 22:10 11 /15/22 06:06 1 11 /05/22 22:10 11 /15/22 06:06 1 11 /05/22 22:10 11 /15/22 06:06 1 11 /05/22 22:10 11 /15/22 06:06 1 11 /05/22 22:10 11 /15/22 06:06 1 11 /05/22 22:10 11 /15/22 06:06 1 11 /05/22 22:10 11 /15/22 06:06 1 11 /05/22 22:10 11 /15/22 06:06 1 11 /05/22 22:10 11 /15/22 06:06 1 11 /05/22 22:10 11 /15/22 06:06 1 11 /05/22 22:10 11 /15/22 06:06 1 11 /05/22 22:10 11 /15/22 06:06 1 11 /05/22 22:10 11 /15/22 06:06 1 11 /05/22 22:10 11 /15/22 06:06 1 11 /05/22 22:10 11 /15/22 06:06 1 11 /05/22 22:10 11 /15/22 06:06 1 11 /05/22 22:10 11 /15/22 06:06 1 11 /05/22 22:10 11 /15/22 06:06 1 11 /05/22 22:10 11 /15/22 06:06 1 11 /05/22 22:10 11 /15/22 06:06 1 11 /05/22 22:10 11 /15/22 06:06 1 11 /05/22 22:10 11 /15/22 06:06 1 11 /05/22 22:10 11 /15/22 06:06 1 11 /05/22 22:10 11 /15/22 06:06 1 11 /05/22 22:10 11 /15/22 06:06 1 11 /05/22 22:10 11 /15/22 06:06 1 11 /05/22 22:10 11 /15/22 06:06 1 11 /05/22 22:10 11 /15/22 06:06 1 11 /05/22 22:10 11 /15/22 06:06 1 11 /05/22 22:10 11 /15/22 06:06 1 11 /05/22 22:10 11 /15/22 06:06 1 11 /05/22 22:10 11 /15/22 06:06 1 11 /05/22 22:10 11 /15/22 06:06 1 11 /05/22 22:10 11 /15/22 06:06 1 11 /05/22 22:10 11 /15/22 06:06 1 11 /05/22 22:10 11 /15/22 06:06 1 11 /05/22 22:10 11 /15/22 06:06 1 11 /05/22 22:10 11 /15/22 06:06 1 11 /05/22 22:10 11 /15/22 06:06 1 11 /05/22 22:10 11 /15/22 06:06 1 11 /05/22 22:10 11 /15/22 06:06 1 11 /05/22 22:10 11 /15/22 06:06 1 11 /05/22 22:10 11 /15/22 06:06 1 11 /05/22 22:10 11 /15/22 06:06 1 Prepared Analyzed Dil Fac 11105122 22:10 11115122 06:06 1 11105122 22:10 11115122 06:06 1 Eurofins Savannah Page 32 of 79 12/1/2022 Client Sample Results Client: Environmental Conservation Laboratories Project/Site: CF16089 Job ID: 680-224568-1 Client Sample ID: 9204-GP-10S Lab Sample ID: 680-224568-9 Date Collected: 10/31/22 17:25 Matrix: Ground Water Date Received: 11/02/22 08:00 Method: SW846 8270E - Semivolatile Organic Compounds (GC/MS) (Continued) Surrogate %Recovery Qualifier Limits Nitrobenzene-d5 (Surr) 42 32 - 118 Phenol-d5 (Surr) 41 27- 110 Terphenyl-d 14 (Surr) 53 10 - 126 2,4,6-Tribromophenol (Surr) 38 S1- 39- 124 Method: SW846 6010D - Metals (ICP) - Total Recoverable Analyte Result Qualifier RL Cadmium <0.44 5.0 Beryllium <0.30 4.0 Barium 130 10 Nickel <3.3 40 Vanadium 1.6 J 10 Silver <1.5 10 Arsenic <6.4 20 Copper 9.7 J 20 Lead <6.6 10 Zinc 33 20 Chromium 1.2 J 10 Cobalt 13 10 Method: SW846 6020B - Metals (ICP/MS) - Total Recoverable Analyte Result Qualifier RL Antimony <0.52 5.0 Thallium <0.26 1.0 Selenium <1.2 2.5 Method: SW846 7470A - Mercury (CVAA) Analyte Result Qualifier RL Mercury 0.11 J 0.20 General Chemistry Analyte Result Qualifier RL Cyanide, Total (SW846 9012B) Analyte Sulfide (SM 4500 S2 F-2011) Sulfide as 1-12S (SM 4500 S2 F-2011) 0.0041 J Result Qualifier <0.93 <1.0 0.010 RL 0.93 1.0 Prepared Analyzed Dil Fac 11105122 22:10 11115122 06:06 1 11105122 22:10 11115122 06:06 1 11105122 22:10 11115122 06:06 1 11105122 22:10 11115122 06:06 1 MDL Unit D Prepared Analyzed Dil Fac 0.44 ug/L 11/04/22 11:23 11/07/22 22:50 1 0.30 ug/L 11/04/22 11:23 11/07/22 22:50 1 4.4 ug/L 11/04/22 11:23 11/07/22 22:50 1 3.3 ug/L 11/04/22 11:23 11/07/22 22:50 1 1.0 ug/L 11/04/22 11:23 11/07/22 22:50 1 1.5 ug/L 11/04/22 11:23 11/07/22 22:50 1 6.4 ug/L 11/04/22 11:23 11/07/22 22:50 1 3.2 ug/L 11/04/22 11:23 11/07/22 22:50 1 6.6 ug/L 11/04/22 11:23 11/07/22 22:50 1 8.7 ug/L 11/04/22 11:23 11/07/22 22:50 1 1.1 ug/L 11/04/22 11:23 11/07/22 22:50 1 1.4 ug/L 11/04/22 11:23 11/07/22 22:50 1 MDL Unit D Prepared Analyzed Dil Fac 0.52 ug/L 11/04/22 11:25 11/06/22 01:07 1 0.26 ug/L 11/04/22 11:25 11/06/22 01:07 1 1.2 ug/L 11/04/22 11:25 11/06/22 01:07 1 MDL Unit D Prepared Analyzed Dil Fac 0.080 ug/L 11/07/22 18:21 11/09/22 09:11 1 MDL Unit D Prepared Analyzed Dil Fac 0.0025 mg/L 11/09/22 08:30 11/09/22 16:06 1 RL Unit D Prepared Analyzed Dil Fac 0.93 mg/L 11/04/2212:55 1 1.0 mg/L 11/04/2212:55 1 Page 33 of 79 Eurofins Savannah 12/1 /2022 Client Sample Results Client: Environmental Conservation Laboratories Project/Site: CF16089 Job ID: 680-224568-1 Client Sample ID: 9204-DUPLICATE Lab Sample ID: 680-224568-10 Date Collected: 10/31/22 00:00 Matrix: Ground Water Date Received: 11/02/22 08:00 Method: SW846 8260D SIM - Volatile Organic Compounds (GC/MS) Analyte Result Qualifier RL MDL Unit D Prepared Analyzed Dil Fac 1,4-Dioxane <0.27 1.4 0.27 ug/L 11/13/2219:16 1 Surrogate %Recovery Qualifier Limits Prepared Analyzed Dil Fac 1,2-Dichloroethane-d4 (Surr) 104 70- 127 11113122 19:16 1 Dibromofluoromethane (Surr) 104 77- 120 11113122 19:16 1 Method: SW846 8260D - Volatile Organic Compounds by GC/MS Analyte Result Qualifier RL MDL Unit D Prepared Analyzed Dil Fac 1,1,1,2-Tetrachloroethane <0.36 1.0 0.36 ug/L 11/11/22 17:48 1 1,1,1-Trichloroethane <0.21 1.0 0.21 ug/L 11/11/22 17:48 1 1,1,2,2-Tetrachloroethane <0.40 1.0 0.40 ug/L 11/11/22 17:48 1 1,1,2-Trichloroethane <0.32 1.0 0.32 ug/L 11/11/22 17:48 1 1,1-Dichloroethane 1.0 1.0 0.33 ug/L 11/11/22 17:48 1 1,1-Dichloroethene 0.34 J *1 1.0 0.33 ug/L 11/11/22 17:48 1 1,2,3-Trichloropropane <0.48 1.0 0.48 ug/L 11/11/22 17:48 1 1,2-Dibromo-3-Chloropropane <1.8 5.0 1.8 ug/L 11/11/22 17:48 1 1,2-Dichlorobenzene <0.31 1.0 0.31 ug/L 11/11/22 17:48 1 1,2-Dichloroethane <0.25 1.0 0.25 ug/L 11/11/22 17:48 1 1,2-Dichloropropane 0.24 J 1.0 0.22 ug/L 11/11/22 17:48 1 1,4-Dichlorobenzene <0.31 1.0 0.31 ug/L 11/11/22 17:48 1 2-Butanone (MEK) <6.4 10 6.4 ug/L 11/11/22 17:48 1 2-Hexanone <3.2 10 3.2 ug/L 11/11/22 17:48 1 4-Methyl-2-pentanone (MIBK) <2.7 10 2.7 ug/L 11/11/22 17:48 1 Acetone <3.7 10 3.7 ug/L 11/11/22 17:48 1 Acrylonitrile <5.5 20 5.5 ug/L 11/11/22 17:48 1 Benzene 1.9 1.0 0.27 ug/L 11/11/22 17:48 1 Bromoform <0.59 1.0 0.59 ug/L 11/11/22 17:48 1 Bromomethane <3.7 5.0 3.7 ug/L 11/11/22 17:48 1 Carbon disulfide <0.43 *+ 2.0 0.43 ug/L 11/11/22 17:48 1 Carbon tetrachloride <0.30 *- *1 1.0 0.30 ug/L 11/11/22 17:48 1 Chlorobenzene <0.15 1.0 0.15 ug/L 11/11/22 17:48 1 Chlorobromomethane <0.34 1.0 0.34 ug/L 11/11/22 17:48 1 Chlorodibromomethane <0.39 1.0 0.39 ug/L 11/11/22 17:48 1 Chloroethane <4.6 5.0 4.6 ug/L 11/11/22 17:48 1 Chloroform <0.27 1.0 0.27 ug/L 11/11/22 17:48 1 Chloromethane <0.54 *+ 1.0 0.54 ug/L 11/11/22 17:48 1 cis-1,2-Dichloroethene 9.8 1.0 0.25 ug/L 11/11/22 17:48 1 cis-1,3-Dichloropropene <0.26 1.0 0.26 ug/L 11/11/22 17:48 1 Dibromomethane <0.34 1.0 0.34 ug/L 11/11/22 17:48 1 Dichlorobromomethane <0.25 1.0 0.25 ug/L 11/11/22 17:48 1 Ethylbenzene <0.20 1.0 0.20 ug/L 11/11/22 17:48 1 Ethylene Dibromide <0.33 1.0 0.33 ug/L 11/11/22 17:48 1 lodomethane <3.9 10 3.9 ug/L 11/11/22 17:48 1 Methylene Chloride <3.2 5.0 3.2 ug/L 11/11/22 17:48 1 Styrene <0.27 1.0 0.27 ug/L 11/11/22 17:48 1 Tetrachloroethene 24 0.50 0.35 ug/L 11/11/22 17:48 1 Toluene <0.25 1.0 0.25 ug/L 11/11/22 17:48 1 trans- 1,2-Dichloroethene <0.34 1.0 0.34 ug/L 11/11/22 17:48 1 trans- 1,3-Dichloropropene <0.23 1.0 0.23 ug/L 11/11/22 17:48 1 trans- 1,4-Dichloro-2-butene <1.3 2.0 1.3 ug/L 11/11/22 17:48 1 Eurofins Savannah Page 34 of 79 12/1/2022 Client Sample Results Client: Environmental Conservation Laboratories Job ID: 680-224568-1 Project/Site: CF16089 Client Sample ID: 9204-DUPLICATE Lab Sample ID: 680-224568-10 Date Collected: 10/31/22 00:00 Matrix: Ground Water Date Received: 11/02/22 08:00 Method: SW846 8260D - Volatile Organic Compounds by GC/MS (Continued) Analyte Result Qualifier RL MDL Unit D Prepared Analyzed Dil Fac Trichloroethene 14 1.0 0.20 ug/L 11/11/22 17:48 1 Trichlorofluoromethane <0.33 "1 1.0 0.33 ug/L 11/11/22 17:48 1 Vinyl acetate <0.69 "- 2.0 0.69 ug/L 11/11/22 17:48 1 Vinyl chloride 3.4 "1 1.0 0.40 ug/L 11/11/22 17:48 1 Xylenes, Total 0.49 J 1.0 0.23 ug/L 11/11/22 17:48 1 Surrogate %Recovery Qualifier Limits Prepared Analyzed Dil Fac Toluene-d8 (Surr) 122 70 - 130 11111122 17:48 1 1,2-Dichloroethane-d4 (Surr) 81 60- 124 11111122 17:48 1 Dibromofluoromethane (Surr) 110 70 - 130 11111122 17:48 1 4-Bromofluorobenzene (Surr) 96 70 - 130 11111122 17:48 1 Method: SW846 6010D - Metals (ICP) - Total Recoverable Analyte Result Qualifier RL MDL Unit D Prepared Analyzed Dil Fac Cadmium <0.44 5.0 0.44 ug/L 11/04/22 11:23 11/07/22 22:53 1 Beryllium <0.30 4.0 0.30 ug/L 11/04/22 11:23 11/07/22 22:53 1 Barium 98 10 4.4 ug/L 11/04/22 11:23 11/07/22 22:53 1 Nickel <3.3 40 3.3 ug/L 11/04/22 11:23 11/07/22 22:53 1 Vanadium <1.0 10 1.0 ug/L 11/04/22 11:23 11/07/22 22:53 1 Silver <1.5 10 1.5 ug/L 11/04/22 11:23 11/07/22 22:53 1 Arsenic <6.4 20 6.4 ug/L 11/04/22 11:23 11/07/22 22:53 1 Copper <3.2 20 3.2 ug/L 11/04/22 11:23 11/07/22 22:53 1 Lead <6.6 10 6.6 ug/L 11/04/22 11:23 11/07/22 22:53 1 Zinc 12 J 20 8.7 ug/L 11/04/22 11:23 11/07/22 22:53 1 Chromium <1.1 10 1.1 ug/L 11/04/22 11:23 11/07/22 22:53 1 Cobalt 4.7 J 10 1.4 ug/L 11/04/22 11:23 11/07/22 22:53 1 Method: SW846 6020B - Metals (ICP/MS) - Total Recoverable Analyte Result Qualifier RL MDL Unit D Prepared Analyzed Dil Fac Antimony <0.52 5.0 0.52 ug/L 11/04/22 11:25 11/06/22 01:10 1 Thallium <0.26 1.0 0.26 ug/L 11/04/22 11:25 11/06/22 01:10 1 Selenium <1.2 2.5 1.2 ug/L 11/04/22 11:25 11/06/22 01:10 1 Eurofins Savannah Page 35 of 79 12/1/2022 Client Sample Results Client: Environmental Conservation Laboratories Project/Site: CF16089 Job ID: 680-224568-1 Client Sample ID: 9204-TRIP BLANK Lab Sample ID: 680-224568-11 Date Collected: 10/31/22 11:00 Matrix: Water Date Received: 11/02/22 08:00 Method: SW846 8260D SIM - Volatile Organic Compounds (GC/MS) Analyte Result Qualifier RL MDL Unit D Prepared Analyzed Dil Fac 1,4-Dioxane <0.27 1.4 0.27 ug/L 11/13/2217:14 1 Surrogate %Recovery Qualifier Limits Prepared Analyzed Dil Fac 1,2-Dichloroethane-d4 (Surr) 103 70- 127 11113122 17:14 1 Dibromofluoromethane (Surr) 102 77- 120 11113122 17:14 1 Method: SW846 8260D - Volatile Organic Compounds by GC/MS Analyte Result Qualifier RL MDL Unit D Prepared Analyzed Dil Fac 1,1,1,2-Tetrachloroethane <0.36 1.0 0.36 ug/L 11/11/22 13:42 1 1,1,1-Trichloroethane <0.21 1.0 0.21 ug/L 11/11/22 13:42 1 1,1,2,2-Tetrachloroethane <0.40 1.0 0.40 ug/L 11/11/22 13:42 1 1,1,2-Trichloroethane <0.32 1.0 0.32 ug/L 11/11/22 13:42 1 1,1-Dichloroethane <0.33 1.0 0.33 ug/L 11/11/22 13:42 1 1,1-Dichloroethene <0.33 *1 1.0 0.33 ug/L 11/11/22 13:42 1 1,2,3-Trichloropropane <0.48 1.0 0.48 ug/L 11/11/22 13:42 1 1,2-Dibromo-3-Chloropropane <1.8 5.0 1.8 ug/L 11/11/22 13:42 1 1,2-Dichlorobenzene <0.31 1.0 0.31 ug/L 11/11/22 13:42 1 1,2-Dichloroethane <0.25 1.0 0.25 ug/L 11/11/22 13:42 1 1,2-Dichloropropane <0.22 1.0 0.22 ug/L 11/11/22 13:42 1 1,4-Dichlorobenzene <0.31 1.0 0.31 ug/L 11/11/22 13:42 1 2-Butanone (MEK) <6.4 10 6.4 ug/L 11/11/22 13:42 1 2-Hexanone <3.2 10 3.2 ug/L 11/11/22 13:42 1 4-Methyl-2-pentanone (MIBK) <2.7 10 2.7 ug/L 11/11/22 13:42 1 Acetone <3.7 10 3.7 ug/L 11/11/22 13:42 1 Acrylonitrile <5.5 20 5.5 ug/L 11/11/22 13:42 1 Benzene <0.27 1.0 0.27 ug/L 11/11/22 13:42 1 Bromoform <0.59 1.0 0.59 ug/L 11/11/22 13:42 1 Bromomethane <3.7 5.0 3.7 ug/L 11/11/22 13:42 1 Carbon disulfide <0.43 *+ 2.0 0.43 ug/L 11/11/22 13:42 1 Carbon tetrachloride <0.30 *- *1 1.0 0.30 ug/L 11/11/22 13:42 1 Chlorobenzene <0.15 1.0 0.15 ug/L 11/11/22 13:42 1 Chlorobromomethane <0.34 1.0 0.34 ug/L 11/11/22 13:42 1 Chlorodibromomethane 1.0 1.0 0.39 ug/L 11/11/22 13:42 1 Chloroethane <4.6 5.0 4.6 ug/L 11/11/22 13:42 1 Chloroform <0.27 1.0 0.27 ug/L 11/11/22 13:42 1 Chloromethane <0.54 *+ 1.0 0.54 ug/L 11/11/22 13:42 1 cis-1,2-Dichloroethene <0.25 1.0 0.25 ug/L 11/11/22 13:42 1 cis-1,3-Dichloropropene <0.26 1.0 0.26 ug/L 11/11/22 13:42 1 Dibromomethane <0.34 1.0 0.34 ug/L 11/11/22 13:42 1 Dichlorobromomethane 0.27 J 1.0 0.25 ug/L 11/11/22 13:42 1 Ethylbenzene <0.20 1.0 0.20 ug/L 11/11/22 13:42 1 Ethylene Dibromide <0.33 1.0 0.33 ug/L 11/11/22 13:42 1 lodomethane <3.9 10 3.9 ug/L 11/11/22 13:42 1 Methylene Chloride <3.2 5.0 3.2 ug/L 11/11/22 13:42 1 Styrene <0.27 1.0 0.27 ug/L 11/11/22 13:42 1 Tetrachloroethene <0.35 0.50 0.35 ug/L 11/11/22 13:42 1 Toluene <0.25 1.0 0.25 ug/L 11/11/22 13:42 1 trans- 1,2-Dichloroethene <0.34 1.0 0.34 ug/L 11/11/22 13:42 1 trans- 1,3-Dichloropropene <0.23 1.0 0.23 ug/L 11/11/22 13:42 1 trans- 1,4-Dichloro-2-butene <1.3 2.0 1.3 ug/L 11/11/22 13:42 1 Eurofins Savannah Page 36 of 79 12/1/2022 Client Sample Results Client: Environmental Conservation Laboratories Job ID: 680-224568-1 Project/Site: CF16089 Client Sample ID: 9204-TRIP BLANK Lab Sample ID: 680-224568-11 Date Collected: 10/31/22 11:00 Matrix: Water Date Received: 11/02/22 08:00 Method: SW846 8260D - Volatile Organic Compounds by GC/MS (Continued) Analyte Result Qualifier RL MDL Unit D Prepared Analyzed Dil Fac Trichloroethene <0.20 1.0 0.20 ug/L 11/11/22 13:42 1 Trichlorofluoromethane <0.33 *1 1.0 0.33 ug/L 11/11/22 13:42 1 Vinyl acetate <0.69 *- 2.0 0.69 ug/L 11/11/22 13:42 1 Vinyl chloride <0.40 *1 1.0 0.40 ug/L 11/11/22 13:42 1 Xylenes, Total <0.23 1.0 0.23 ug/L 11/11/22 13:42 1 Surrogate %Recovery Qualifier Limits Prepared Analyzed Dil Fac Toluene-d8 (Surr) 120 70 - 130 11111122 13:42 1 1,2-Dichloroethane-d4 (Surr) 80 60- 124 11111122 13:42 1 Dibromofluoromethane (Surr) 109 70 - 130 11111122 13:42 1 4-Bromofluorobenzene (Surr) 97 70 - 130 11111122 13:42 1 Eurofins Savannah Page 37 of 79 12/1/2022 Client Sample Results Client: Environmental Conservation Laboratories Project/Site: CF16089 Job ID: 680-224568-1 Client Sample ID: 9204-EQUIPMENT BLANK Lab Sample ID: 680-224568-12 Date Collected: 10/31/22 17:45 Matrix: Water Date Received: 11/02/22 08:00 Method: SW846 8260D SIM - Volatile Organic Compounds (GC/MS) Analyte Result Qualifier RL MDL Unit D Prepared Analyzed Dil Fac 1,4-Dioxane <0.27 1.4 0.27 ug/L 11/13/2217:35 1 Surrogate %Recovery Qualifier Limits Prepared Analyzed Dil Fac 1,2-Dichloroethane-d4 (Surr) 106 70- 127 11113122 17:35 1 Dibromofluoromethane (Surr) 103 77- 120 11113122 17:35 1 Method: SW846 8260D - Volatile Organic Compounds by GC/MS Analyte Result Qualifier RL MDL Unit D Prepared Analyzed Dil Fac 1,1,1,2-Tetrachloroethane <0.36 1.0 0.36 ug/L 11/11/22 14:01 1 1,1,1-Trichloroethane <0.21 1.0 0.21 ug/L 11/11/22 14:01 1 1,1,2,2-Tetrachloroethane <0.40 1.0 0.40 ug/L 11/11/22 14:01 1 1,1,2-Trichloroethane <0.32 1.0 0.32 ug/L 11/11/22 14:01 1 1,1-Dichloroethane <0.33 1.0 0.33 ug/L 11/11/22 14:01 1 1,1-Dichloroethene <0.33 *1 1.0 0.33 ug/L 11/11/22 14:01 1 1,2,3-Trichloropropane <0.48 1.0 0.48 ug/L 11/11/22 14:01 1 1,2-Dibromo-3-Chloropropane <1.8 5.0 1.8 ug/L 11/11/22 14:01 1 1,2-Dichlorobenzene <0.31 1.0 0.31 ug/L 11/11/22 14:01 1 1,2-Dichloroethane <0.25 1.0 0.25 ug/L 11/11/22 14:01 1 1,2-Dichloropropane <0.22 1.0 0.22 ug/L 11/11/22 14:01 1 1,4-Dichlorobenzene <0.31 1.0 0.31 ug/L 11/11/22 14:01 1 2-Butanone (MEK) <6.4 10 6.4 ug/L 11/11/22 14:01 1 2-Hexanone <3.2 10 3.2 ug/L 11/11/22 14:01 1 4-Methyl-2-pentanone (MIBK) <2.7 10 2.7 ug/L 11/11/22 14:01 1 Acetone <3.7 10 3.7 ug/L 11/11/22 14:01 1 Acrylonitrile <5.5 20 5.5 ug/L 11/11/22 14:01 1 Benzene <0.27 1.0 0.27 ug/L 11/11/22 14:01 1 Bromoform <0.59 1.0 0.59 ug/L 11/11/22 14:01 1 Bromomethane <3.7 5.0 3.7 ug/L 11/11/22 14:01 1 Carbon disulfide <0.43 *+ 2.0 0.43 ug/L 11/11/22 14:01 1 Carbon tetrachloride <0.30 *- *1 1.0 0.30 ug/L 11/11/22 14:01 1 Chlorobenzene <0.15 1.0 0.15 ug/L 11/11/22 14:01 1 Chlorobromomethane <0.34 1.0 0.34 ug/L 11/11/22 14:01 1 Chlorodibromomethane 1.0 1.0 0.39 ug/L 11/11/22 14:01 1 Chloroethane <4.6 5.0 4.6 ug/L 11/11/22 14:01 1 Chloroform <0.27 1.0 0.27 ug/L 11/11/22 14:01 1 Chloromethane <0.54 *+ 1.0 0.54 ug/L 11/11/22 14:01 1 cis-1,2-Dichloroethene <0.25 1.0 0.25 ug/L 11/11/22 14:01 1 cis-1,3-Dichloropropene <0.26 1.0 0.26 ug/L 11/11/22 14:01 1 Dibromomethane <0.34 1.0 0.34 ug/L 11/11/22 14:01 1 Dichlorobromomethane 0.26 J 1.0 0.25 ug/L 11/11/22 14:01 1 Ethylbenzene <0.20 1.0 0.20 ug/L 11/11/22 14:01 1 Ethylene Dibromide <0.33 1.0 0.33 ug/L 11/11/22 14:01 1 lodomethane <3.9 10 3.9 ug/L 11/11/22 14:01 1 Methylene Chloride <3.2 5.0 3.2 ug/L 11/11/22 14:01 1 Styrene <0.27 1.0 0.27 ug/L 11/11/22 14:01 1 Tetrachloroethene <0.35 0.50 0.35 ug/L 11/11/22 14:01 1 Toluene <0.25 1.0 0.25 ug/L 11/11/22 14:01 1 trans- 1,2-Dichloroethene <0.34 1.0 0.34 ug/L 11/11/22 14:01 1 trans- 1,3-Dichloropropene <0.23 1.0 0.23 ug/L 11/11/22 14:01 1 trans- 1,4-Dichloro-2-butene <1.3 2.0 1.3 ug/L 11/11/22 14:01 1 Eurofins Savannah Page 38 of 79 12/1/2022 Client Sample Results Client: Environmental Conservation Laboratories Job ID: 680-224568-1 Project/Site: CF16089 Client Sample ID: 9204-EQUIPMENT BLANK Lab Sample ID: 680-224568-12 Date Collected: 10/31/22 17:45 Matrix: Water Date Received: 11/02/22 08:00 Method: SW846 8260D - Volatile Organic Compounds by GC/MS (Continued) Analyte Result Qualifier RL MDL Unit D Prepared Analyzed Dil Fac Trichloroethene <0.20 1.0 0.20 ug/L 11/11/22 14:01 1 Trichlorofluoromethane <0.33 *1 1.0 0.33 ug/L 11/11/22 14:01 1 Vinyl acetate <0.69 *- 2.0 0.69 ug/L 11/11/22 14:01 1 Vinyl chloride <0.40 *1 1.0 0.40 ug/L 11/11/22 14:01 1 Xylenes, Total <0.23 1.0 0.23 ug/L 11/11/22 14:01 1 Surrogate %Recovery Qualifier Limits Prepared Analyzed Dil Fac Toluene-d8 (Surr) 120 70 - 130 11111122 14:01 1 1,2-Dichloroethane-d4 (Surr) 79 60- 124 11111122 14:01 1 Dibromofluoromethane (Surr) 108 70 - 130 11111122 14:01 1 4-Bromofluorobenzene (Surr) 96 70 - 130 11111122 14:01 1 Method: SW846 6010D - Metals (ICP) - Total Recoverable Analyte Result Qualifier RL MDL Unit D Prepared Analyzed Dil Fac Cadmium <0.44 5.0 0.44 ug/L 11/04/22 11:23 11/07/22 23:02 1 Beryllium <0.30 4.0 0.30 ug/L 11/04/22 11:23 11/07/22 23:02 1 Barium <4.4 10 4.4 ug/L 11/04/22 11:23 11/07/22 23:02 1 Nickel <3.3 40 3.3 ug/L 11/04/22 11:23 11/07/22 23:02 1 Vanadium <1.0 10 1.0 ug/L 11/04/22 11:23 11/07/22 23:02 1 Silver <1.5 10 1.5 ug/L 11/04/22 11:23 11/07/22 23:02 1 Arsenic <6.4 20 6.4 ug/L 11/04/22 11:23 11/07/22 23:02 1 Copper <3.2 20 3.2 ug/L 11/04/22 11:23 11/07/22 23:02 1 Lead <6.6 10 6.6 ug/L 11/04/22 11:23 11/07/22 23:02 1 Zinc <8.7 20 8.7 ug/L 11/04/22 11:23 11/07/22 23:02 1 Chromium <1.1 10 1.1 ug/L 11/04/22 11:23 11/07/22 23:02 1 Cobalt <1.4 10 1.4 ug/L 11/04/22 11:23 11/07/22 23:02 1 Method: SW846 6020B - Metals (ICP/MS) - Total Recoverable Analyte Result Qualifier RL MDL Unit D Prepared Analyzed Dil Fac Antimony <0.52 5.0 0.52 ug/L 11/04/22 11:25 11/06/22 01:14 1 Thallium <0.26 1.0 0.26 ug/L 11/04/22 11:25 11/06/22 01:14 1 Selenium <1.2 2.5 1.2 ug/L 11/04/22 11:25 11/06/22 01:14 1 Eurofins Savannah Page 39 of 79 12/1/2022 QC Sample Results Client: Environmental Conservation Laboratories Job ID: 680-224568-1 Project/Site: CF16089 Method: 8260D - Volatile Organic Compounds by GUMS Lab Sample ID: MB 680-750117/9 Client Sample ID: Method Blank Matrix: Water Prep Type: Total/NA Analysis Batch: 750117 MB MB Analyte Result Qualifier RL MDL Unit D Prepared Analyzed Dil Fac 1,1,1,2-Tetrachloroethane <0.36 1.0 0.36 ug/L 11/11/22 12:58 1 1,1,1-Trichloroethane <0.21 1.0 0.21 ug/L 11/11/22 12:58 1 1,1,2,2-Tetrachloroethane <0.40 1.0 0.40 ug/L 11/11/22 12:58 1 1,1,2-Trichloroethane <0.32 1.0 0.32 ug/L 11/11/22 12:58 1 1,1-Dichloroethane <0.33 1.0 0.33 ug/L 11/11/22 12:58 1 1,1-Dichloroethene <0.33 1.0 0.33 ug/L 11/11/22 12:58 1 1,2,3-Trichloropropane <0.48 1.0 0.48 ug/L 11/11/22 12:58 1 1,2-Dibromo-3-Chloropropane <1.8 5.0 1.8 ug/L 11/11/22 12:58 1 1,2-Dichlorobenzene <0.31 1.0 0.31 ug/L 11/11/22 12:58 1 1,2-Dichloroethane <0.25 1.0 0.25 ug/L 11/11/22 12:58 1 1,2-Dichloropropane <0.22 1.0 0.22 ug/L 11/11/22 12:58 1 1,4-Dichlorobenzene <0.31 1.0 0.31 ug/L 11/11/22 12:58 1 2-Butanone (MEK) <6.4 10 6.4 ug/L 11/11/22 12:58 1 2-Hexanone <3.2 10 3.2 ug/L 11/11/22 12:58 1 4-Methyl-2-pentanone (MIBK) <2.7 10 2.7 ug/L 11/11/22 12:58 1 Acetone <3.7 10 3.7 ug/L 11/11/22 12:58 1 Acrylonitrile <5.5 20 5.5 ug/L 11/11/22 12:58 1 Benzene <0.27 1.0 0.27 ug/L 11/11/22 12:58 1 Bromoform <0.59 1.0 0.59 ug/L 11/11/22 12:58 1 Bromomethane <3.7 5.0 3.7 ug/L 11/11/22 12:58 1 Carbon disulfide <0.43 2.0 0.43 ug/L 11/11/22 12:58 1 Carbon tetrachloride <0.30 1.0 0.30 ug/L 11/11/22 12:58 1 Chlorobenzene <0.15 1.0 0.15 ug/L 11/11/22 12:58 1 Chlorobromomethane <0.34 1.0 0.34 ug/L 11/11/22 12:58 1 Chlorodibromomethane <0.39 1.0 0.39 ug/L 11/11/22 12:58 1 Chloroethane <4.6 5.0 4.6 ug/L 11/11/22 12:58 1 Chloroform <0.27 1.0 0.27 ug/L 11/11/22 12:58 1 Chloromethane <0.54 1.0 0.54 ug/L 11/11/22 12:58 1 cis-1,2-Dichloroethene <0.25 1.0 0.25 ug/L 11/11/22 12:58 1 cis-1,3-Dichloropropene <0.26 1.0 0.26 ug/L 11/11/22 12:58 1 Dibromomethane <0.34 1.0 0.34 ug/L 11/11/22 12:58 1 Dichlorobromomethane <0.25 1.0 0.25 ug/L 11/11/22 12:58 1 Ethylbenzene <0.20 1.0 0.20 ug/L 11/11/22 12:58 1 Ethylene Dibromide <0.33 1.0 0.33 ug/L 11/11/22 12:58 1 lodomethane <3.9 10 3.9 ug/L 11/11/22 12:58 1 Methylene Chloride <3.2 5.0 3.2 ug/L 11/11/22 12:58 1 Styrene <0.27 1.0 0.27 ug/L 11/11/22 12:58 1 Tetrachloroethene <0.35 0.50 0.35 ug/L 11/11/22 12:58 1 Toluene <0.25 1.0 0.25 ug/L 11/11/22 12:58 1 trans- 1,2-Dichloroethene <0.34 1.0 0.34 ug/L 11/11/22 12:58 1 trans- 1,3-Dichloropropene <0.23 1.0 0.23 ug/L 11/11/22 12:58 1 trans- 1,4-Dichloro-2-butene <1.3 2.0 1.3 ug/L 11/11/22 12:58 1 Trichloroethene <0.20 1.0 0.20 ug/L 11/11/22 12:58 1 Trichlorofluoromethane <0.33 1.0 0.33 ug/L 11/11/22 12:58 1 Vinyl acetate <0.69 2.0 0.69 ug/L 11/11/22 12:58 1 Vinyl chloride <0.40 1.0 0.40 ug/L 11/11/22 12:58 1 Xylenes, Total <0.23 1.0 0.23 ug/L 11/11/22 12:58 1 0 Eurofins Savannah Page 40 of 79 12/1/2022 QC Sample Results Client: Environmental Conservation Laboratories Job ID: 680-224568-1 Project/Site: CF16089 Method: 8260D - Volatile Organic Compounds by GUMS (Continued) Lab Sample ID: MB 680-750117/9 Client Sample ID: Method Blank Matrix: Water Prep Type: Total/NA Analysis Batch: 750117 MB MB Surrogate %Recovery Qualifier Limits Prepared Analyzed Dil Fac Toluene-d8 (Surr) 119 70 - 130 11111122 12:58 1 • 1,2-Dichloroethane-d4 (Surr) 79 60- 124 11111122 12:58 1 Dibromofluoromethane (Surr) 108 70 - 130 11111122 12:58 1 4-Bromofluorobenzene (Surr) 97 70- 130 11111122 12:58 1 Lab Sample ID: LCS 680-750117/5 Client Sample ID: Lab Control Sample Matrix: Water Prep Type: Total/NA Analysis Batch: 750117 Spike LCS LCS %Rec Analyte Added Result Qualifier Unit D %Rec Limits 1,1,1,2-Tetrachloroethane 50.0 41.7 ug/L 83 70-130 1,1,1-Trichloroethane 50.0 35.6 ug/L 71 70-130 1,1,2,2-Tetrachloroethane 50.0 48.9 ug/L 98 70-130 1,1,2-Trichloroethane 50.0 51.7 ug/L 103 70-130 1,1-Dichloroethane 50.0 49.9 ug/L 100 70-130 1,1-Dichloroethene 50.0 46.7 ug/L 93 70-130 1,2,3-Trichloropropane 50.0 47.6 ug/L 95 70-130 1,2-Dibromo-3-Chloropropane 50.0 46.0 ug/L 92 70 -130 1,2-Dichlorobenzene 50.0 50.7 ug/L 101 70 -130 1,2-Dichloroethane 50.0 40.2 ug/L 80 70 -130 1,2-Dichloropropane 50.0 47.8 ug/L 96 70 -130 1,4-Dichlorobenzene 50.0 48.6 ug/L 97 70 -130 2-Butanone (MEK) 250 185 ug/L 74 69 -120 2-Hexanone 250 237 ug/L 95 70-130 4-Methyl-2-pentanone (MIBK) 250 228 ug/L 91 68-120 Acetone 250 228 ug/L 91 67-120 Acrylonitrile 500 496 ug/L 99 70 -130 Benzene 50.0 47.1 ug/L 94 70 -130 Bromoform 50.0 53.1 ug/L 106 69 -129 Bromomethane 50.0 38.2 ug/L 76 28 -192 Carbon disulfide 50.0 50.9 ug/L 102 70 -130 Carbon tetrachloride 50.0 30.1 "- ug/L 60 70 -130 Chlorobenzene 50.0 49.6 ug/L 99 70 -130 Chlorobromomethane 50.0 56.2 ug/L 112 70 -130 Chlorodibromomethane 50.0 43.9 ug/L 88 70 -130 Chloroethane 50.0 77.5 ug/L 155 31 - 213 Chloroform 50.0 47.2 ug/L 94 70 -130 Chloromethane 50.0 49.7 ug/L 99 59 -127 cis-1,2-Dichloroethene 50.0 45.8 ug/L 92 70 -130 cis-1,3-Dichloropropene 50.0 48.8 ug/L 98 70 -130 Dibromomethane 50.0 50.2 ug/L 100 70 -130 Dichlorobromomethane 50.0 43.7 ug/L 87 70 -130 Ethylbenzene 50.0 47.9 ug/L 96 70 -130 Ethylene Dibromide 50.0 53.8 ug/L 108 70 -130 lodomethane 50.0 44.2 ug/L 88 52 -129 Methylene Chloride 50.0 58.9 ug/L 118 70 -130 Styrene 50.0 53.8 ug/L 108 70 -130 Tetrachloroethene 50.0 48.3 ug/L 97 70 -130 Eurofins Savannah Page 41 of 79 12/1/2022 QC Sample Results Client: Environmental Conservation Laboratories Project/Site: CF16089 Method: 8260D - Volatile Organic Compounds by GC/MS (Continued) Lab Sample ID: LCS 680-750117/5 Matrix: Water Analysis Batch: 750117 Job ID: 680-224568-1 Client Sample ID: Lab Control Sample Prep Type: Total/NA Spike LCS LCS %Rec Analyte Added Result Qualifier Unit D %Rec Limits Toluene 50.0 52.5 ug/L 105 70 -130 trans- 1,2-Dichloroethene 50.0 46.4 ug/L 93 70-130 trans- 1,3-Dichloropropene 50.0 46.8 ug/L 94 70-130 trans- 1,4-Dichloro-2-butene 50.0 37.6 ug/L 75 67-120 Trichloroethene 50.0 42.5 ug/L 85 70 -130 Trichlorofluoromethane 50.0 31.3 ug/L 63 63 -142 Vinyl acetate 100 64.2 "- ug/L 64 67 -135 Vinyl chloride 50.0 42.2 ug/L 84 66 -129 Xylenes, Total 100 98.4 ug/L 98 70 -130 LCS LCS Surrogate %Recovery Qualifier Limits Toluene-d8 (Surr) 107 70 - 130 1,2-Dichloroethane-d4 (Surr) 84 60- 124 Dibromofluoromethane (Surr) 105 70 - 130 4-Bromofluorobenzene (Surr) 92 70 - 130 Lab Sample ID: LCSD 680-750117/6 Client Sample ID: Lab Control Sample Dup Matrix: Water Prep Type: Total/NA Analysis Batch: 750117 Spike LCSD LCSD %Rec RPD Analyte Added Result Qualifier Unit D %Rec Limits RPD Limit 1,1,1,2-Tetrachloroethane 50.0 45.4 ug/L 91 70-130 9 30 1,1,1-Trichloroethane 50.0 46.9 ug/L 94 70-130 27 30 1,1,2,2-Tetrachloroethane 50.0 51.3 ug/L 103 70-130 5 30 1,1,2-Trichloroethane 50.0 56.2 ug/L 112 70-130 8 30 1,1-Dichloroethane 50.0 58.1 ug/L 116 70-130 15 30 1,1-Dichloroethene 50.0 64.8 "1 ug/L 130 70-130 32 20 1,2,3-Trichloropropane 50.0 50.1 ug/L 100 70 -130 5 30 1,2-Dibromo-3-Chloropropane 50.0 47.5 ug/L 95 70-130 3 30 1,2-Dichlorobenzene 50.0 53.1 ug/L 106 70 -130 5 30 1,2-Dichloroethane 50.0 43.8 ug/L 88 70 -130 8 50 1,2-Dichloropropane 50.0 53.2 ug/L 106 70 -130 11 20 1,4-Dichlorobenzene 50.0 51.9 ug/L 104 70 -130 7 30 2-Butanone (MEK) 250 198 ug/L 79 69 -120 7 30 2-Hexanone 250 252 ug/L 101 70-130 6 20 4-Methyl-2-pentanone (MIBK) 250 244 ug/L 98 68-120 7 30 Acetone 250 246 ug/L 99 67 -120 8 30 Acrylonitrile 500 526 ug/L 105 70 -130 6 30 Benzene 50.0 55.3 ug/L 111 70-130 16 30 Bromoform 50.0 56.9 ug/L 114 69 -129 7 30 Bromomethane 50.0 45.1 ug/L 90 28 -192 17 30 Carbon disulfide 50.0 68.8 .+ ug/L 138 70 -130 30 30 Carbon tetrachloride 50.0 42.3 '1 ug/L 85 70 -130 34 30 Chlorobenzene 50.0 54.0 ug/L 108 70 -130 8 30 Chlorobromomethane 50.0 60.5 ug/L 121 70 -130 7 30 Chlorodibromomethane 50.0 47.4 ug/L 95 70 -130 8 30 Chloroethane 50.0 104 ug/L 208 31 - 213 29 30 Chloroform 50.0 53.8 ug/L 108 70 -130 13 30 0 Eurofins Savannah Page 42 of 79 12/1/2022 QC Sample Results Client: Environmental Conservation Laboratories Project/Site: CF16089 Job ID: 680-224568-1 Method: 8260D - Volatile Organic Compounds by GC/MS (Continued) Lab Sample ID: LCSD 680-750117/6 Client Sample ID: Lab Control Sample Dup Matrix: Water Prep Type: Total/NA Analysis Batch: 750117 Spike LCSD LCSD %Rec RPD Analyte Added Result Qualifier Unit D %Rec Limits RPD Limit Chloromethane 50.0 67.4 .+ ug/L 135 59 -127 30 30 • cis-1,2-Dichloroethene 50.0 53.0 ug/L 106 70 -130 15 30 cis-1,3-Dichloropropene 50.0 52.6 ug/L 105 70 -130 7 20 Dibromomethane 50.0 54.0 ug/L 108 70 -130 7 30 Dichlorobromomethane 50.0 49.2 ug/L 98 70 -130 12 30 Ethylbenzene 50.0 53.8 ug/L 108 70 -130 12 20 Ethylene Dibromide 50.0 58.2 ug/L 116 70 -130 8 30 lodomethane 50.0 53.2 ug/L 106 52 -129 18 30 Methylene Chloride 50.0 65.2 ug/L 130 70 -130 10 30 Styrene 50.0 58.1 ug/L 116 70 -130 8 30 Tetrachloroethene 50.0 60.2 ug/L 120 70 -130 22 30 Toluene 50.0 60.0 ug/L 120 70 -130 13 30 trans- 1,2-Dichloroethene 50.0 57.3 ug/L 115 70-130 21 30 trans- 1,3-Dichloropropene 50.0 51.3 ug/L 103 70-130 9 30 trans- 1,4-Dichloro-2-butene 50.0 40.0 ug/L 80 67-120 6 30 Trichloroethene 50.0 51.5 ug/L 103 70 -130 19 30 Trichlorofluoromethane 50.0 55.3 E *1 ug/L 111 63 -142 55 30 Vinyl acetate 100 67.5 ug/L 67 67 -135 5 30 Vinyl chloride 50.0 61.0 "1 ug/L 122 66 -129 36 30 Xylenes, Total 100 108 ug/L 108 70 -130 10 30 LCSD LCSD Surrogate %Recovery Qualifier Limits Toluene-d8 (Surr) 121 70 - 130 1,2-Dichloroethane-d4 (Surr) 90 60- 124 Dibromofluoromethane (Surr) 117 70 - 130 4-Bromofluorobenzene (Surr) 99 70 - 130 Method: 8260D SIM - Volatile Organic Compounds (GC/MS) Lab Sample ID: MB 280-593202/6 Matrix: Water Analysis Batch: 593202 Analyte 1,4-Dioxane MB MB Result Qualifier RL MDL Unit <0.27 1.4 0.27 ug/L MB MB Surrogate %Recovery Qualifier Limits 1,2-Dichloroethane-d4 (Surr) 104 70- 127 Dibromofluoromethane (Surr) 102 77- 120 Lab Sample ID: LCS 280-593202/1002 Matrix: Water Analysis Batch: 593202 Spike Analyte Added 1,4-Dioxane 50.0 Client Sample ID: Method Blank Prep Type: Total/NA D Prepared Analyzed Dil Fac 11/11/22 19:13 1 Prepared Analyzed Dil Fac 11111122 19:13 1 11111122 19:13 1 Client Sample ID: Lab Control Sample Prep Type: Total/NA LCS LCS Result Qualifier Unit 50.0 ug/L %Rec D %Rec Limits 100 25-141 Eurofins Savannah Page 43 of 79 12/1/2022 QC Sample Results Client: Environmental Conservation Laboratories Job ID: 680-224568-1 Project/Site: CF16089 Method: 8260D SIM - Volatile Organic Compounds (GC/MS) (Continued) Lab Sample ID: LCS 280-593202/1002 Client Sample ID: Lab Control Sample Matrix: Water Prep Type: Total/NA Analysis Batch: 593202 LCS LCS Surrogate %Recovery Qualifier Limits 1,2-Dichloroethane-d4 (Surr) 101 70- 127 Dibromofluoromethane (Surr) 100 77- 120 Lab Sample ID: LCSD 280-593202/4 Client Sample ID: Lab Control Sample Dup Matrix: Water Prep Type: Total/NA Analysis Batch: 593202 Spike LCSD LCSD %Rec RPD Analyte Added Result Qualifier Unit D %Rec Limits RPD Limit 1,4-Dioxane 50.0 44.5 ug/L 89 25-141 12 20 LCSD LCSD Surrogate %Recovery Qualifier Limits 1,2-Dichloroethane-d4 (Surr) 102 70- 127 Dibromofluoromethane (Surr) 100 77 - 120 Lab Sample ID: MB 280-593285/6 Client Sample ID: Method Blank Matrix: Water Prep Type: Total/NA Analysis Batch: 593285 MB MB Analyte Result Qualifier RL MDL Unit D Prepared Analyzed Dil Fac 1,4-Dioxane <0.27 1.4 0.27 ug/L 11/13/2216:13 1 MB MB Surrogate %Recovery Qualifier Limits Prepared Analyzed Dil Fac 1,2-Dichloroethane-d4 (Surr) 99 70- 127 11113122 16:13 1 Dibromofluoromethane (Surr) 98 77- 120 11113122 16:13 1 Lab Sample ID: LCS 280-593285/1002 Client Sample ID: Lab Control Sample Matrix: Water Prep Type: Total/NA Analysis Batch: 593285 Spike LCS LCS %Rec Analyte Added Result Qualifier Unit D %Rec Limits 1,4-Dioxane 50.0 47.1 ug/L 94 25 -141 LCS LCS Surrogate %Recovery Qualifier Limits 1,2-Dichloroethane-d4 (Surr) 96 70- 127 Dibromofluoromethane (Surr) 95 77- 120 Lab Sample ID: LCSD 280-59328514 Client Sample ID: Lab Control Sample Dup Matrix: Water Prep Type: Total/NA Analysis Batch: 593285 Spike LCSD LCSD %Rec RPD Analyte Added Result Qualifier Unit D %Rec Limits RPD Limit 1,4-Dioxane 50.0 51.0 ug/L 102 25 -141 8 20 LCSD LCSD Surrogate %Recovery Qualifier Limits 1,2-Dichloroethane-d4 (Surr) 94 70- 127 Dibromofluoromethane (Surr) 94 77 - 120 0 Eurofins Savannah Page 44 of 79 12/1/2022 QC Sample Results Client: Environmental Conservation Laboratories Job ID: 680-224568-1 Project/Site: CF16089 Method: 8270E - Semivolatile Organic Compounds (GC/MS) Lab Sample ID: MB 680-749092/9-A Client Sample ID: Method Blank Matrix: Water Prep Type: Total/NA Analysis Batch: 750610 Prep Batch: 749092 MB MB Analyte Result Qualifier RL MDL Unit D Prepared Analyzed Dil Fac Acenaphthene <0.76 10 0.76 ug/L 11/05/22 22:10 11/15/22 00:31 1 Acenaphthylene <0.85 10 0.85 ug/L 11/05/22 22:10 11/15/22 00:31 1 Acetophenone <0.57 10 0.57 ug/L 11/05/22 22:10 11/15/22 00:31 1 alpha,alpha-Dimethyl phenethylamine <35 2000 35 ug/L 11/05/22 22:10 11/15/22 00:31 1 4-Aminobiphenyl <1.2 10 1.2 ug/L 11/05/22 22:10 11/15/22 00:31 1 Anthracene <0.69 10 0.69 ug/L 11/05/22 22:10 11/15/22 00:31 1 Benzyl alcohol <1.1 10 1.1 ug/L 11/05/22 22:10 11/15/22 00:31 1 Bis(2-chloroethoxy)methane <0.94 10 0.94 ug/L 11/05/22 22:10 11/15/22 00:31 1 Bis(2-chloroethyl)ether <1.1 10 1.1 ug/L 11/05/22 22:10 11/15/22 00:31 1 bis (2-chloroisopropyl) ether <0.78 10 0.78 ug/L 11/05/22 22:10 11/15/22 00:31 1 4-Bromophenyl phenyl ether <0.77 10 0.77 ug/L 11/05/22 22:10 11/15/22 00:31 1 Butyl benzyl phthalate <1.2 10 1.2 ug/L 11/05/22 22:10 11/15/22 00:31 1 4-Chloroaniline <2.2 20 2.2 ug/L 11/05/22 22:10 11/15/22 00:31 1 4-Chloro-3-methylphenol <1.0 10 1.0 ug/L 11/05/22 22:10 11/15/22 00:31 1 2-Chloronaphthalene <0.80 10 0.80 ug/L 11/05/22 22:10 11/15/22 00:31 1 2-Chlorophenol <0.87 10 0.87 ug/L 11/05/22 22:10 11/15/22 00:31 1 4-Chlorophenyl phenyl ether <0.84 10 0.84 ug/L 11/05/22 22:10 11/15/22 00:31 1 Diallate <0.78 10 0.78 ug/L 11/05/22 22:10 11/15/22 00:31 1 Dibenzofuran <0.79 10 0.79 ug/L 11/05/22 22:10 11/15/22 00:31 1 2,4-Dichlorophenol <1.1 10 1.1 ug/L 11/05/22 22:10 11/15/22 00:31 1 2,6-Dichlorophenol <0.73 10 0.73 ug/L 11/05/22 22:10 11/15/22 00:31 1 Diethyl phthalate <0.88 10 0.88 ug/L 11/05/22 22:10 11/15/22 00:31 1 Dimethoate <0.75 10 0.75 ug/L 11/05/22 22:10 11/15/22 00:31 1 2,4-Dimethylphenol <4.0 10 4.0 ug/L 11/05/22 22:10 11/15/22 00:31 1 Dimethyl phthalate <0.99 10 0.99 ug/L 11/05/22 22:10 11/15/22 00:31 1 1,3-Dinitrobenzene <0.60 10 0.60 ug/L 11/05/22 22:10 11/15/22 00:31 1 4,6-Dinitro-2-methylphenol <10 50 10 ug/L 11/05/22 22:10 11/15/22 00:31 1 2,4-Dinitrophenol <10 50 10 ug/L 11/05/22 22:10 11/15/22 00:31 1 2,4-Dinitrotoluene <1.2 10 1.2 ug/L 11/05/22 22:10 11/15/22 00:31 1 2,6-Dinitrotoluene <1.1 10 1.1 ug/L 11/05/22 22:10 11/15/22 00:31 1 Disulfoton <0.79 10 0.79 ug/L 11/05/22 22:10 11/15/22 00:31 1 Ethyl methanesulfonate <0.96 10 0.96 ug/L 11/05/22 22:10 11/15/22 00:31 1 Fluoranthene <0.74 10 0.74 ug/L 11/05/22 22:10 11/15/22 00:31 1 Fluorene <0.96 10 0.96 ug/L 11/05/22 22:10 11/15/22 00:31 1 Hexachlorobenzene <0.79 10 0.79 ug/L 11/05/22 22:10 11/15/22 00:31 1 Hexachlorobutadiene <0.62 10 0.62 ug/L 11/05/22 22:10 11/15/22 00:31 1 Hexachlorocyclopentadiene <2.5 10 2.5 ug/L 11/05/22 22:10 11/15/22 00:31 1 Hexachloroethane <0.76 10 0.76 ug/L 11/05/22 22:10 11/15/22 00:31 1 Hexachloropropene <1.4 10 1.4 ug/L 11/05/22 22:10 11/15/22 00:31 1 Isodrin <10 10 10 ug/L 11/05/22 22:10 11/15/22 00:31 1 Isophorone <0.90 10 0.90 ug/L 11/05/22 22:10 11/15/22 00:31 1 Isosafrole <0.50 10 0.50 ug/L 11/05/22 22:10 11/15/22 00:31 1 Methapyrilene <2.7 2000 2.7 ug/L 11/05/22 22:10 11/15/22 00:31 1 Methyl methanesulfonate <0.60 10 0.60 ug/L 11/05/22 22:10 11/15/22 00:31 1 2-Methylnaphthalene <0.78 10 0.78 ug/L 11/05/22 22:10 11/15/22 00:31 1 2-Methylphenol <0.89 10 0.89 ug/L 11/05/22 22:10 11/15/22 00:31 1 3 & 4 Methylphenol <1.3 10 1.3 ug/L 11/05/22 22:10 11/15/22 00:31 1 1,4-Naphthoquinone <0.62 10 0.62 ug/L 11/05/22 22:10 11/15/22 00:31 1 Eurofins Savannah Page 45 of 79 12/1/2022 QC Sample Results Client: Environmental Conservation Laboratories Job ID: 680-224568-1 Project/Site: CF16089 Method: 8270E - Semivolatile Organic Compounds (GC/MS) (Continued) Lab Sample ID: MB 680-749092/9-A Client Sample ID: Method Blank Matrix: Water Prep Type: Total/NA Analysis Batch: 750610 Prep Batch: 749092 MB MB Analyte Result Qualifier RL MDL Unit D Prepared Analyzed Dil Fac 1-Naphthylamine <1.1 10 1.1 ug/L 11/05/22 22:10 11/15/22 00:31 1 2-Naphthylamine <1.5 10 1.5 ug/L 11/05/22 22:10 11/15/22 00:31 1 2-Nitroaniline <1.3 50 1.3 ug/L 11/05/22 22:10 11/15/22 00:31 1 3-Nitroaniline <5.0 50 5.0 ug/L 11/05/22 22:10 11/15/22 00:31 1 4-Nitroaniline <5.0 50 5.0 ug/L 11/05/22 22:10 11/15/22 00:31 1 Nitrobenzene <0.73 10 0.73 ug/L 11/05/22 22:10 11/15/22 00:31 1 2-Nitrophenol <0.76 10 0.76 ug/L 11/05/22 22:10 11/15/22 00:31 1 4-Nitrophenol <1.9 50 1.9 ug/L 11/05/22 22:10 11/15/22 00:31 1 N-Nitro-o-toluidine <1.5 10 1.5 ug/L 11/05/22 22:10 11/15/22 00:31 1 N-Nitrosodiethylamine <0.93 10 0.93 ug/L 11/05/22 22:10 11/15/22 00:31 1 N-Nitrosodimethylamine <2.8 10 2.8 ug/L 11/05/22 22:10 11/15/22 00:31 1 N-Nitrosodi-n-butylamine <0.96 10 0.96 ug/L 11/05/22 22:10 11/15/22 00:31 1 N-Nitrosodi-n-propylamine <0.72 10 0.72 ug/L 11/05/22 22:10 11/15/22 00:31 1 N-Nitrosodiphenylamine <0.92 10 0.92 ug/L 11/05/22 22:10 11/15/22 00:31 1 N-Nitrosomethylethylamine <3.3 10 3.3 ug/L 11/05/22 22:10 11/15/22 00:31 1 N-Nitrosopiperidine <0.88 10 0.88 ug/L 11/05/22 22:10 11/15/22 00:31 1 N-Nitrosopyrrolidine <1.0 10 1.0 ug/L 11/05/22 22:10 11/15/22 00:31 1 o,o',o"-Triethylphosphorothioate <1.0 10 1.0 ug/L 11/05/22 22:10 11/15/22 00:31 1 Pentachlorobenzene <0.52 10 0.52 ug/L 11/05/22 22:10 11/15/22 00:31 1 Pentachloronitrobenzene <0.78 10 0.78 ug/L 11/05/22 22:10 11/15/22 00:31 1 Phenacetin <1.4 10 1.4 ug/L 11/05/22 22:10 11/15/22 00:31 1 Phenanthrene <0.77 10 0.77 ug/L 11/05/22 22:10 11/15/22 00:31 1 Phenol <0.83 10 0.83 ug/L 11/05/22 22:10 11/15/22 00:31 1 Phorate <0.87 10 0.87 ug/L 11/05/22 22:10 11/15/22 00:31 1 p-Phenylene diamine <10 2000 10 ug/L 11/05/22 22:10 11/15/22 00:31 1 Pronamide <0.89 10 0.89 ug/L 11/05/22 22:10 11/15/22 00:31 1 Pyrene <0.63 10 0.63 ug/L 11/05/22 22:10 11/15/22 00:31 1 Safrole, Total <0.80 10 0.80 ug/L 11/05/22 22:10 11/15/22 00:31 1 1,2,4,5-Tetrachlorobenzene <0.76 10 0.76 ug/L 11/05/22 22:10 11/15/22 00:31 1 2,3,4,6-Tetrachlorophenol <0.72 10 0.72 ug/L 11/05/22 22:10 11/15/22 00:31 1 Thionazin <0.91 10 0.91 ug/L 11/05/22 22:10 11/15/22 00:31 1 2,4,5-Trichlorophenol <1.2 10 1.2 ug/L 11/05/22 22:10 11/15/22 00:31 1 2,4,6-Trichlorophenol <0.85 10 0.85 ug/L 11/05/22 22:10 11/15/22 00:31 1 1,3,5-Trinitrobenzene <2.0 10 2.0 ug/L 11/05/22 22:10 11/15/22 00:31 1 MB MB Surrogate %Recovery Qualifier Limits Prepared Analyzed Dil Fac 2-Fluorobiphenyl (Surr) 72 32 - 113 11105122 22:10 11115122 00:31 1 2-Fluorophenol (Surr) 66 26 - 109 11105122 22:10 11115122 00:31 1 Nitrobenzene-d5 (Surr) 79 32 - 118 11105122 22:10 11115122 00:31 1 Phenol-d5 (Surr) 72 27- 110 11105122 22:10 11115122 00:31 1 Terphenyl-d 14 (Surr) 98 10 - 126 11105122 22:10 11115122 00:31 1 2,4,6-Tribromophenol (Surr) 69 39 - 124 11105122 22:10 11115122 00:31 1 Eurofins Savannah Page 46 of 79 12/1/2022 QC Sample Results Client: Environmental Conservation Laboratories Job ID: 680-224568-1 Project/Site: CF16089 Method: 8270E - Semivolatile Organic Compounds (GC/MS) (Continued) Lab Sample ID: LCS 680-749092/10-A Client Sample ID: Lab Control Sample Matrix: Water Prep Type: Total/NA Analysis Batch: 750610 Prep Batch: 749092 Spike LCS LCS %Rec Analyte Added Result Qualifier Unit D %Rec Limits Acenaphthene 100 61.7 ug/L 62 48-130 Acenaphthylene 100 64.4 ug/L 64 48 -130 Acetophenone 100 61.0 ug/L 61 44-130 Anthracene 100 66.7 ug/L 67 49 -130 Benzyl alcohol 100 67.4 ug/L 67 29 -130 Bis(2-chloroethoxy)methane 100 64.0 ug/L 64 47 -130 Bis(2-chloroethyl)ether 100 59.1 ug/L 59 32.130 bis (2-chloroisopropyl) ether 100 80.4 ug/L 80 26 -130 4-Bromophenyl phenyl ether 100 60.6 ug/L 61 47.130 Butyl benzyl phthalate 100 90.4 ug/L 90 50 -130 4-Chloroaniline 100 54.0 ug/L 54 42 -130 4-Chloro-3-methylphenol 100 66.0 ug/L 66 47 -130 2-Chloronaphthalene 100 58.0 ug/L 58 44 -130 2-Chlorophenol 100 57.9 ug/L 58 39 -130 4-Chlorophenyl phenyl ether 100 60.7 ug/L 61 45 -130 Dibenzofuran 100 65.9 ug/L 66 50 -130 2,4-Dichlorophenol 100 55.8 ug/L 56 44 -130 2,6-Dichlorophenol 100 57.4 ug/L 57 42 -130 Diethyl phthalate 100 72.1 ug/L 72 53 -130 2,4-Dimethylphenol 100 51.5 ug/L 51 37 -130 Dimethyl phthalate 100 68.4 ug/L 68 53 -130 1,3-Dinitrobenzene 100 69.9 ug/L 70 51 _130 4,6-Dinitro-2-methylphenol 200 154 ug/L 77 42.130 2,4-Dinitrophenol 200 162 ug/L 81 31 _ 130 2,4-Dinitrotoluene 100 74.0 ug/L 74 52 -130 2,6-Dinitrotoluene 100 67.9 ug/L 68 52 -130 Fluoranthene 100 66.5 ug/L 67 47 -130 Fluorene 100 66.6 ug/L 67 50 -130 Hexachlorobenzene 100 56.5 ug/L 56 43-130 Hexachlorobutadiene 100 35.9 ug/L 36 27 -130 Hexachlorocyclopentadiene 100 34.2 ug/L 34 11 -130 Hexachloroethane 100 41.6 ug/L 42 29-130 Isophorone 100 65.9 ug/L 66 47-130 2-Methyl naphtha lene 100 54.0 ug/L 54 40 -130 2-Methylphenol 100 62.4 ug/L 62 40 -130 3 & 4 Methylphenol 100 65.2 ug/L 65 42 -130 2-Nitroaniline 100 76.6 ug/L 77 51 _ 130 3-Nitroaniline 100 71.1 ug/L 71 53 -130 4-Nitroaniline 100 78.1 ug/L 78 49 -130 Nitrobenzene 100 60.9 ug/L 61 43 -130 2-Nitrophenol 100 57.9 ug/L 58 43 -130 4-Nitrophenol 200 156 ug/L 78 44 -130 N-Nitrosodimethylamine 100 55.9 ug/L 56 32 -130 N-Nitrosodi-n-propylamine 100 70.4 ug/L 70 42 -130 N-Nitrosodiphenylamine 100 67.3 ug/L 67 50-130 Phenanthrene 100 67.8 ug/L 68 51-130 Phenol 100 55.4 ug/L 55 35 -130 Pyrene 100 83.8 ug/L 84 52-130 0 Eurofins Savannah Page 47 of 79 12/1/2022 QC Sample Results Client: Environmental Conservation Laboratories Project/Site: CF16089 Method: 8270E - Semivolatile Organic Compounds (GC/MS) (Continued) Lab Sample ID: LCS 680-749092/10-A Client Sample ID Matrix: Water Analysis Batch: 750610 Spike LCS LCS Analyte Added Result Qualifier Unit D %Rec 1,2,4,5-Tetrachlorobenzene 100 51.1 ug/L 51 2,3,4,6-Tetrachlorophenol 100 64.2 ug/L 64 2,4,5-Trichlorophenol 100 61.7 ug/L 62 2,4,6-Trichlorophenol 100 60.7 ug/L 61 LCS LCS Surrogate %Recovery Qualifier Limits 2-Fluorobiphenyl (Surr) 58 32 - 113 2-Fluorophenol (Surr) 55 26 - 109 Nitrobenzene-d5 (Surr) 61 32 - 118 Phenol-d5 (Surr) 59 27 - 110 Terphenyl-d 14 (Surr) 75 10 - 126 2,4,6-Tribromophenol (Surr) 61 39- 124 Lab Sample ID: LCS 680-749092/12-A Client Sample ID Matrix: Water Analysis Batch: 750610 Analyte alpha,alpha-Dimethyl phenethylamine 4-Aminobiphenyl Diallate Dimethoate Disulfoton Ethyl methanesulfonate Hexachloropropene Isodrin Isosafrole Methyl methanesulfonate 1,4-Naphthoquinone 1-Naphthylamine 2-Naphthylamine N-Nitro-o-toluidine N-Nitrosodiethylamine N-Nitrosodi-n-butylamine N-N itrosomethylethylamine N-Nitrosopiperidine N-Nitrosopyrrolidine o,o',o"-Triethylphosphorothioate Pentachlorobenzene Pentachloronitrobenzene Phenacetin Phorate p-Phenylene diamine Pronamide Safrole, Total Thionazin 1,3,5-Trinitrobenzene Spike LCS LCS Added Result Qualifier Unit D %Rec 100 <35 ug/L 19 Job ID: 680-224568-1 Lab Control Sample Prep Type: Total/NA Prep Batch: 749092 %Rec Limits 39-130 53-130 48-130 47-130 Lab Control Sample Prep Type: Total/NA Prep Batch: 749092 %Rec Limits 10-130 100 54.3 ug/L 54 10 -130 100 72.9 ug/L 73 49 -130 100 71.9 ug/L 72 10 -130 100 63.5 ug/L 63 10 -130 100 69.6 ug/L 70 41 -130 100 31.0 ug/L 31 10 -130 100 62.5 ug/L 62 61-130 100 55.4 ug/L 55 53 -130 100 68.2 ug/L 68 10 -130 100 131 .+ ug/L 131 10-130 100 46.6 ug/L 47 10 -130 100 53.6 ug/L 54 10 -130 100 65.3 ug/L 65 39 -130 100 61.8 ug/L 62 45 -130 100 61.2 ug/L 61 49 -130 100 59.5 ug/L 59 43 -130 100 54.9 ug/L 55 54-130 100 59.1 ug/L 59 46 -130 100 80.3 ug/L 80 23 -130 100 57.8 ug/L 58 50-130 100 58.3 "- ug/L 58 61 -130 100 68.5 ug/L 68 60 -130 100 108 ug/L 108 43 -130 100 <10 "- ug/L 0 10 -130 100 61.6 ug/L 62 57-130 100 58.8 ug/L 59 57-130 100 66.8 ug/L 67 22 -130 100 69.5 ug/L 69 10 -130 Page 48 of 79 Eurofins Savannah 12/1 /2022 QC Sample Results Client: Environmental Conservation Laboratories Job ID: 680-224568-1 Project/Site: CF16089 Method: 8270E - Semivolatile Organic Compounds (GC/MS) (Continued) Lab Sample ID: LCS 680-749092/12-A Client Sample ID: Lab Control Sample Matrix: Water Prep Type: Total/NA Analysis Batch: 750610 Prep Batch: 749092 LCS LCS Surrogate %Recovery Qualifier Limits 2-Fluorobiphenyl (Surr) 61 32- 113 2-Fluorophenol (Surr) 54 26 - 109 Nitrobenzene-d5 (Surr) 66 32 - 118 Phenol-d5 (Surr) 54 27- 110 Terphenyl-d 14 (Surr) 69 10 - 126 2,4,6-Tribromophenol (Surr) 63 39- 124 Lab Sample ID: LCSD 680-749092/11-A Client Sample ID: Lab Control Sample Dup Matrix: Water Prep Type: Total/NA Analysis Batch: 750610 Prep Batch: 749092 Spike LCSD LCSD %Rec RPD Analyte Added Result Qualifier Unit D %Rec Limits RPD Limit Acenaphthene 100 54.7 ug/L 55 48-130 12 50 Acenaphthylene 100 56.2 ug/L 56 48-130 13 50 Acetophenone 100 55.5 ug/L 55 44-130 9 50 Anthracene 100 58.7 ug/L 59 49-130 13 50 Benzyl alcohol 100 44.7 ug/L 45 29 -130 40 50 Bis(2-chloroethoxy)methane 100 56.8 ug/L 57 47 -130 12 50 Bis(2-chloroethyl)ether 100 54.4 ug/L 54 32 -130 8 50 bis (2-chloroisopropyl) ether 100 71.0 ug/L 71 26 -130 12 50 4-Bromophenyl phenyl ether 100 51.7 ug/L 52 47 -130 16 50 Butyl benzyl phthalate 100 73.1 ug/L 73 50 -130 21 50 4-Chloroaniline 100 20.7 *- *1 ug/L 21 42 -130 89 50 4-Chloro-3-methylphenol 100 53.2 ug/L 53 47 -130 21 50 2-Chloronaphthalene 100 50.8 ug/L 51 44 -130 13 50 2-Chlorophenol 100 46.5 ug/L 46 39-130 22 50 4-Chlorophenyl phenyl ether 100 51.3 ug/L 51 45 -130 17 50 Dibenzofuran 100 56.2 ug/L 56 50 -130 16 50 2,4-Dichlorophenol 100 46.6 ug/L 47 44 -130 18 50 2,6-Dichlorophenol 100 46.8 ug/L 47 42 -130 21 50 Diethyl phthalate 100 61.4 ug/L 61 53 -130 16 50 2,4-Dimethylphenol 100 34.7 '- ug/L 35 37 -130 39 50 Dimethyl phthalate 100 58.4 ug/L 58 53 -130 16 50 1,3-Dinitrobenzene 100 61.7 ug/L 62 51-130 12 50 4,6-Dinitro-2-methyl phenol 200 129 ug/L 65 42 -130 17 50 2,4-Dinitrophenol 200 127 ug/L 63 31 -130 24 50 2,4-Dinitrotoluene 100 65.4 ug/L 65 52 -130 12 50 2,6-Dinitrotoluene 100 58.5 ug/L 59 52 -130 15 50 Fluoranthene 100 55.6 ug/L 56 47 -130 18 50 Fluorene 100 57.2 ug/L 57 50 -130 15 50 Hexachlorobenzene 100 45.1 ug/L 45 43 -130 22 50 Hexachlorobutadiene 100 29.2 ug/L 29 27 -130 20 50 Hexachlorocyclopentadiene 100 23.2 ug/L 23 11 -130 39 50 Hexachloroethane 100 34.0 ug/L 34 29 -130 20 50 Isophorone 100 59.4 ug/L 59 47 -130 10 50 2-Methylnaphthalene 100 45.9 ug/L 46 40 -130 16 50 2-Methylphenol 100 45.2 ug/L 45 40 -130 32 50 3 & 4 Methylphenol 100 44.4 ug/L 44 42 -130 38 50 0 Eurofins Savannah Page 49 of 79 12/1/2022 QC Sample Results Client: Environmental Conservation Laboratories Project/Site: CF16089 Job ID: 680-224568-1 Method: 8270E - Semivolatile Organic Compounds (GC/MS) (Continued) Lab Sample ID: LCSD 680-749092/11-A Client Sample ID: Lab Control Sample Dup Matrix: Water Prep Type: Total/NA Analysis Batch: 750610 Prep Batch: 749092 Spike LCSD LCSD %Rec RPD Analyte Added Result Qualifier Unit D %Rec Limits RPD Limit 2-Nitroaniline 100 65.9 ug/L 66 51 -130 15 50 • 3-Nitroaniline 100 51.9 *- ug/L 52 53 -130 31 50 4-Nitroaniline 100 63.9 ug/L 64 49 -130 20 50 Nitrobenzene 100 55.5 ug/L 55 43 -130 9 50 2-Nitrophenol 100 48.5 ug/L 48 43 -130 18 50 4-Nitrophenol 200 77.1 *- *1 ug/L 39 44 -130 68 50 N-Nitrosodimethylamine 100 32.0 *1 ug/L 32 32 -130 54 50 N-Nitrosodi-n-propylamine 100 61.2 ug/L 61 42 -130 14 50 N-Nitrosodiphenylamine 100 59.0 ug/L 59 50-130 13 50 Phenanthrene 100 60.0 ug/L 60 51 -130 12 50 Phenol 100 27.4 *- *1 ug/L 27 35 -130 68 50 Pyrene 100 71.7 ug/L 72 52-130 16 50 1,2,4,5-Tetrachlorobenzene 100 44.1 ug/L 44 39-130 15 50 2,3,4,6-Tetrachlorophenol 100 50.5 *- ug/L 50 53 -130 24 50 2,4,5-Trichlorophenol 100 50.1 ug/L 50 48 -130 21 50 2,4,6-Trichlorophenol 100 49.6 ug/L 50 47 -130 20 50 LCSD LCSD Surrogate %Recovery Qualifier Limits 2-Fluorobiphenyl (Surr) 50 32- 113 2-Fluorophenol (Surr) 33 26 - 109 Nitrobenzene-d5 (Surr) 55 32 - 118 Phenol-d5 (Surr) 28 27 - 110 Terphenyl-d 14 (Surr) 33 10 - 126 2,4,6-Tribromophenol (Surr) 49 39- 124 Lab Sample ID: LCSD 680-749092/13-A Client Sample ID: Lab Control Sample Dup Matrix: Water Prep Type: Total/NA Analysis Batch: 750610 Prep Batch: 749092 Spike LCSD LCSD %Rec RPD Analyte Added Result Qualifier Unit D %Rec Limits RPD Limit alpha,alpha-Dimethyl 100 41.6 J *1 ug/L 42 10 -130 74 50 phenethylamine 4-Aminobiphenyl 100 60.7 ug/L 61 10 -130 11 50 Diallate 100 76.2 ug/L 76 49 -130 4 50 Dimethoate 100 74.7 ug/L 75 10 -130 4 50 Disulfoton 100 66.6 ug/L 67 10 -130 5 50 Ethyl methanesulfonate 100 70.5 ug/L 70 41 -130 1 50 Hexachloropropene 100 31.2 ug/L 31 10 -130 0 50 Isodrin 100 65.8 ug/L 66 61 -130 5 50 Isosafrole 100 56.3 ug/L 56 53 -130 2 50 Methyl methanesulfonate 100 71.2 ug/L 71 10 -130 4 50 1,4-Naphthoquinone 100 124 ug/L 124 10-130 5 50 1-Naphthylamine 100 54.8 ug/L 55 10 -130 16 50 2-Naphthylamine 100 65.0 ug/L 65 10 -130 19 50 N-Nitro-o-toluidine 100 66.2 ug/L 66 39-130 1 50 N-Nitrosodiethylamine 100 59.8 ug/L 60 45-130 3 50 N-Nitrosodi-n-butylamine 100 62.0 ug/L 62 49-130 1 50 N-Nitrosomethylethylamine 100 58.5 ug/L 59 43 -130 2 50 N-Nitrosopiperidine 100 55.5 ug/L 55 54 -130 1 50 Eurofins Savannah Page 50 of 79 12/1/2022 QC Sample Results Client: Environmental Conservation Laboratories Job ID: 680-224568-1 Project/Site: CF16089 Method: 8270E - Semivolatile Organic Compounds (GC/MS) (Continued) Lab Sample ID: LCSD 680-749092/13-A Client Sample ID: Lab Control Sample Dup Matrix: Water Prep Type: Total/NA Analysis Batch: 750610 Prep Batch: 749092 Spike LCSD LCSD %Rec RPD Analyte Added Result Qualifier Unit D %Rec Limits RPD Limit N-Nitrosopyrrolidine 100 61.7 ug/L 62 46-130 4 50 • o,o',o"-Triethylphosphorothioate 100 82.8 ug/L 83 23 -130 3 50 Pentachlorobenzene 100 58.9 ug/L 59 50-130 2 50 Pentachloronitrobenzene 100 60.9 ug/L 61 61 -130 4 50 Phenacetin 100 72.9 ug/L 73 60 -130 6 50 Phorate 100 116 ug/L 116 43 -130 7 50 p-Phenylene diamine 100 <10 *- *1 ug/L 4 10 -130 200 50 Pronamide 100 63.7 ug/L 64 57-130 3 50 Safrole, Total 100 57.0 ug/L 57 57 -130 3 50 Thionazin 100 71.3 ug/L 71 22 -130 7 50 1,3,5-Trinitrobenzene 100 71.3 ug/L 71 10 -130 3 50 LCSD LCSD Surrogate %Recovery Qualifier Limits 2-Fluorobiphenyl (Surr) 58 32 - 113 2-Fluorophenol (Surr) 52 26 - 109 Nitrobenzene-d5 (Surr) 61 32 - 118 Phenol-d5 (Surr) 61 27- 110 Terphenyl-d14 (Surr) 74 10- 126 2,4,6-Tribromophenol (Surr) 62 39- 124 Method: 6010D - Metals (ICP) Lab Sample ID: MB 680-748851/1-A Client Sample ID: Method Blank Matrix: Water Prep Type: Total Recoverable Analysis Batch: 749417 Prep Batch: 748851 MB MB Analyte Result Qualifier RL MDL Unit D Prepared Analyzed Dil Fac Cadmium <0.44 5.0 0.44 ug/L 11/04/22 11:23 11/07/22 21:40 1 Beryllium <0.30 4.0 0.30 ug/L 11/04/22 11:23 11/07/22 21:40 1 Barium <4.4 10 4.4 ug/L 11/04/22 11:23 11/07/22 21:40 1 Nickel <3.3 40 3.3 ug/L 11/04/22 11:23 11/07/22 21:40 1 Vanadium <1.0 10 1.0 ug/L 11/04/22 11:23 11/07/22 21:40 1 Silver <1.5 10 1.5 ug/L 11/04/22 11:23 11/07/22 21:40 1 Arsenic <6.4 20 6.4 ug/L 11/04/22 11:23 11/07/22 21:40 1 Copper <3.2 20 3.2 ug/L 11/04/22 11:23 11/07/22 21:40 1 Lead <6.6 10 6.6 ug/L 11/04/22 11:23 11/07/22 21:40 1 Zinc <8.7 20 8.7 ug/L 11/04/22 11:23 11/07/22 21:40 1 Chromium <1.1 10 1.1 ug/L 11/04/22 11:23 11/07/22 21:40 1 Cobalt <1.4 10 1.4 ug/L 11/04/22 11:23 11/07/22 21:40 1 Lab Sample ID: LCS 680-748851/2-A Client Sample ID: Lab Control Sample Matrix: Water Prep Type: Total Recoverable Analysis Batch: 749417 Prep Batch: 748851 Spike LCS LCS %Rec Analyte Added Result Qualifier Unit D %Rec Limits Cadmium 50.0 49.1 ug/L 98 80 -120 Beryllium 50.0 49.2 ug/L 98 80 -120 Barium 100 103 ug/L 103 80-120 Nickel 99.0 99.9 ug/L 101 80 -120 Eurofins Savannah Page 51 of 79 12/1/2022 QC Sample Results Client: Environmental Conservation Laboratories Project/Site: CF16089 Job ID: 680-224568-1 Method: 6010D - Metals (ICP) (Continued) Lab Sample ID: LCS 680-748851/2-A Client Sample ID: Lab Control Sample Matrix: Water Prep Type: Total Recoverable Analysis Batch: 749417 Prep Batch: 748851 Spike LCS LCS %Rec Analyte Added Result Qualifier Unit D %Rec Limits Vanadium 99.8 99.5 ug/L 100 80 -120 Silver 50.0 47.6 ug/L 95 80 -120 Arsenic 100 95.7 ug/L 96 80 -120 Copper 100 106 ug/L 106 80-120 Lead 505 495 ug/L 98 80-120 Zinc 100 99.8 ug/L 100 80 -120 Chromium 100 101 ug/L 101 80 -120 Cobalt 50.0 49.2 ug/L 98 80 -120 Method: 6020B - Metals (ICP/MS) Lab Sample ID: MB 680-748855/1-A Client Sample ID: Method Blank Matrix: Water Prep Type: Total Recoverable Analysis Batch: 749282 Prep Batch: 748855 MB MB Analyte Result Qualifier RL MDL Unit D Prepared Analyzed Dil Fac Antimony <0.52 5.0 0.52 ug/L 11/04/22 11:25 11/06/22 01:09 1 Thallium <0.26 1.0 0.26 ug/L 11/04/22 11:25 11/06/22 01:09 1 Selenium <1.2 2.5 1.2 ug/L 11/04/22 11:25 11/06/22 01:09 1 Lab Sample ID: LCS 680-748855/2-A Client Sample ID: Lab Control Sample Matrix: Water Prep Type: Total Recoverable Analysis Batch: 749282 Prep Batch: 748855 Spike LCS LCS %Rec Analyte Added Result Qualifier Unit D %Rec Limits Antimony 50.0 48.5 ug/L 97 80 -120 Thallium 50.0 46.4 ug/L 93 80-120 Selenium 100 106 ug/L 106 80 -120 Method: 7470A - Mercury (CVAA) Lab Sample ID: MB 680-749393/1-A Client Sample ID: Method Blank Matrix: Water Prep Type: Total/NA Analysis Batch: 749737 Prep Batch: 749393 MB MB Analyte Result Qualifier RL MDL Unit D Prepared Analyzed Dil Fac Mercury <0.080 0.20 0.080 ug/L 11/07/22 18:21 11/09/22 08:43 1 Lab Sample ID: LCS 680-749393/2-A Client Sample ID: Lab Control Sample Matrix: Water Prep Type: Total/NA Analysis Batch: 749737 Prep Batch: 749393 Spike LCS LCS %Rec Analyte Added Result Qualifier Unit D %Rec Limits Mercury 2.50 2.43 ug/L 97 80 -120 Eurofins Savannah Page 52 of 79 12/1/2022 QC Sample Results Client: Environmental Conservation Laboratories Project/Site: CF16089 Method: 4500 S2 F-2011 - Sulfide, Total Lab Sample ID: MB 680-748870/1 Matrix: Water Analysis Batch: 748870 MB MB Analyte Result Qualifier Sulfide <1.0 Sulfide as H2S <1.1 Lab Sample ID: LCS 680-748870/2 Matrix: Water Analysis Batch: 748870 Analyte Sulfide Sulfide as H2S Lab Sample ID: LCSD 680-748870/3 Matrix: Water Analysis Batch: 748870 F Job ID: 680-224568-1 Client Sample ID: Method Blank Prep Type: Total/NA RL RL Unit D Prepared L Analyzed Dil Fa c 1.0 1.0 mg/L 11/04/2212:38 1 1.1 1.1 mg/L 11/04/2212:38 1 F Client Sample ID: Lab Control Sample Prep Type: Total/NA E: Spike LCS LCS %Rec Added Result Qualifier Unit D %Rec Limits 10.0 9.19 mg/L 92 75-125 10.6 9.76 mg/L 92 75-125 Client Sample ID: Lab Control Sample Dup Prep Type: Total/NA Spike LCSD LCSD %Rec RPD Analyte Added Result Qualifier Unit D %Rec Limits RPD Limit Sulfide 10.0 8.93 mg/L 89 75 -125 3 30 Sulfide as 1-12S 10.6 9.49 mg/L 89 75 -125 3 30 Method: 9012B - Cyanide, Total andor Amenable Lab Sample ID: MB 680-749687/1-A Matrix: Water Analysis Batch: 749845 MB MB Analyte Result Qualifier Cyanide, Total <0.0025 Lab Sample ID: LCS 680-749687/2-A Matrix: Water Analysis Batch: 749845 Analyte LCyanide, Total Lab Sample ID: 680-224568-8 MS Matrix: Ground Water Analysis Batch: 749845 Sample Sample Analyte Result Qualifier Cyanide, Total 0.0047 J F1 F2 LLab Sample ID: 680-224568-8 MSD Matrix: Ground Water Analysis Batch: 749845 Sample Sample Analyte Result Qualifier Cyanide, Total 0.0047 J F1 F2 Client Sample ID: Method Blank Prep Type: Total/NA Prep Batch: 749687 RL MDL Unit D Prepared Analyzed Dil Fac 0.010 0.0025 mg/L 11 /09/22 08:30 11 /09/22 16:21 1 Client Sample ID: Lab Control Sample Prep Type: Total/NA Prep Batch: 749687 Spike LCS LCS %Rec Added Result Qualifier Unit D %Rec Limits 0.0500 0.0530 mg/L 106 85 -115 Spike MS MS Added Result Qualifier Unit 0.0500 0.0479 mg/L Spike MSD MSD Added Result Qualifier Unit 0.0500 0.0314 F1 F2 mg/L Client Sample ID: 9204-MW8 Prep Type: Total/NA Prep Batch: 749687 %Rec D %Rec Limits 86 85-115 Client Sample ID: 9204-MW8 Prep Type: Total/NA Prep Batch: 749687 %Rec RPD D %Rec Limits RPD Limit 53 85-115 42 20 Page 53 of 79 Eurofins Savannah 12/1 /2022 QC Association Summary Client: Environmental Conservation Laboratories Project/Site: CF16089 GC/MS VOA Analysis Batch: 593202 Lab Sample ID 680-224568-1 680-224568-2 680-224568-3 680-224568-4 680-224568-5 680-224568-6 680-224568-7 680-224568-8 680-224568-9 MB 280-593202/6 LCS 280-593202/1002 LCSD 280-593202/4 Analysis Batch: 593285 Lab Sample ID 680-224568-10 680-224568-11 680-224568-12 MB 280-593285/6 LCS 280-593285/1002 LCSD 280-593285/4 Analysis Batch: 750117 Client Sample ID 9204-M W 1 R 9204-MW5 9204-MW6 9204-MW9 9204-DW 1 9204-SW 1 9204-SW2 9204-MW8 9204-GP-10S Method Blank Lab Control Sample Lab Control Sample Dup Client Sample ID 9204-DUPLICATE 9204-TRIP BLANK 9204-EQUIPMENT BLANK Method Blank Lab Control Sample Lab Control Sample Dup Prep Type Total/NA Total/NA Total/NA Total/NA Total/NA Total/NA Total/NA Total/NA Total/NA Total/NA Total/NA Total/NA Prep Type Total/NA Total/NA Total/NA Total/NA Total/NA Total/NA Matrix Ground Water Ground Water Ground Water Ground Water Ground Water Ground Water Ground Water Ground Water Ground Water Water Water Water Matrix Ground Water Water Water Water Water Water Job ID: 680-224568-1 Method 8260D SIM 8260D SIM 8260D SIM 8260D SIM 8260D SIM 8260D SIM 8260D SIM 8260D SIM 8260D SIM 8260D SIM 8260D SIM 8260D SIM Method 8260D SIM 8260D SIM 8260D SIM 8260D SIM 8260D SIM 8260D SIM Lab Sample ID Client Sample ID Prep Type Matrix Method 680-224568-1 9204-MW1R Total/NA Ground Water 8260D 680-224568-2 9204-MW5 Total/NA Ground Water 8260D 680-224568-3 9204-MW6 Total/NA Ground Water 8260D 680-224568-4 9204-MW9 Total/NA Ground Water 8260D 680-224568-5 9204-DW1 Total/NA Ground Water 8260D 680-224568-6 9204-SW1 Total/NA Ground Water 8260D 680-224568-7 9204-SW2 Total/NA Ground Water 8260D 680-224568-8 9204-MW8 Total/NA Ground Water 8260D 680-224568-9 9204-GP-10S Total/NA Ground Water 8260D 680-224568-10 9204-DUPLICATE Total/NA Ground Water 8260D 680-224568-11 9204-TRIP BLANK Total/NA Water 8260D 680-224568-12 9204-EQUIPMENT BLANK Total/NA Water 8260D MB 680-750117/9 Method Blank Total/NA Water 8260D LCS 680-750117/5 Lab Control Sample Total/NA Water 8260D LCSD 680-750117/6 Lab Control Sample Dup Total/NA Water 8260D GC/MS Semi VOA Prep Batch: 749092 Lab Sample ID Client Sample ID Prep Type Matrix Method 680-224568-8 9204-MW8 Total/NA Ground Water 3520C 680-224568-9 9204-GP-10S Total/NA Ground Water 3520C MB 680-749092/9-A Method Blank Total/NA Water 3520C LCS 680-749092/10-A Lab Control Sample Total/NA Water 3520C LCS 680-749092/12-A Lab Control Sample Total/NA Water 3520C LCSD 680-749092/11-A Lab Control Sample Dup Total/NA Water 3520C LCSD 680-749092/13-A Lab Control Sample Dup Total/NA Water 3520C Prep Batch Prep Batch Prep Batch Prep Batch Page 54 of 79 Eurofins Savannah 12/1 /2022 QC Association Summary C Client: Environmental Conservation Laboratories Job ID: 680-224568-1 Project/Site: CF16089 GC/MS Semi VOA Analysis Batch: 750610 Lab Sample ID Client Sample ID Prep Type Matrix Method Prep Batch 680-224568-8 9204-MW8 Total/NA Ground Water 8270E 749092 680-224568-9 9204-GP-10S Total/NA Ground Water 8270E 749092 MB 680-749092/9-A Method Blank Total/NA Water 8270E 749092 LCS 680-749092/10-A Lab Control Sample Total/NA Water 8270E 749092 LCS 680-749092/12-A Lab Control Sample Total/NA Water 8270E 749092 LCSD 680-749092/11-A Lab Control Sample Dup Total/NA Water 8270E 749092 LCSD 680-749092/13-A Lab Control Sample Dup Total/NA Water 8270E 749092 Metals Prep Batch: 748851 Lab Sample ID Client Sample ID Prep Type Matrix Method Prep Batch 680-224568-1 9204-MW1R Total Recoverable Ground Water 3005A 680-224568-2 9204-MW5 Total Recoverable Ground Water 3005A 680-224568-3 9204-MW6 Total Recoverable Ground Water 3005A 680-224568-4 9204-MW9 Total Recoverable Ground Water 3005A 680-224568-5 9204-DW1 Total Recoverable Ground Water 3005A 680-224568-6 9204-SW1 Total Recoverable Ground Water 3005A 680-224568-7 9204-SW2 Total Recoverable Ground Water 3005A 680-224568-8 9204-MW8 Total Recoverable Ground Water 3005A 680-224568-9 9204-GP-10S Total Recoverable Ground Water 3005A 680-224568-10 9204-DUPLICATE Total Recoverable Ground Water 3005A 680-224568-12 9204-EQUIPMENT BLANK Total Recoverable Water 3005A MB 680-748851/1-A Method Blank Total Recoverable Water 3005A LCS 680-748851/2-A Lab Control Sample Total Recoverable Water 3005A Prep Batch: 748855 Lab Sample ID Client Sample ID Prep Type Matrix Method Prep Batch 680-224568-1 9204-MW1R Total Recoverable Ground Water 3005A 680-224568-2 9204-MW5 Total Recoverable Ground Water 3005A 680-224568-3 9204-MW6 Total Recoverable Ground Water 3005A 680-224568-4 9204-MW9 Total Recoverable Ground Water 3005A 680-224568-5 9204-DW1 Total Recoverable Ground Water 3005A 680-224568-6 9204-SW1 Total Recoverable Ground Water 3005A 680-224568-7 9204-SW2 Total Recoverable Ground Water 3005A 680-224568-8 9204-MW8 Total Recoverable Ground Water 3005A 680-224568-9 9204-GP-10S Total Recoverable Ground Water 3005A 680-224568-10 9204-DUPLICATE Total Recoverable Ground Water 3005A 680-224568-12 9204-EQUIPMENT BLANK Total Recoverable Water 3005A MB 680-748855/1-A Method Blank Total Recoverable Water 3005A LCS 680-748855/2-A Lab Control Sample Total Recoverable Water 3005A Analysis Batch: 749282 Lab Sample ID Client Sample ID Prep Type Matrix Method Prep Batch 680-224568-1 9204-MW1R Total Recoverable Ground Water 6020B 748855 680-224568-2 9204-MW5 Total Recoverable Ground Water 6020B 748855 680-224568-3 9204-MW6 Total Recoverable Ground Water 6020B 748855 680-224568-4 9204-MW9 Total Recoverable Ground Water 6020B 748855 680-224568-5 9204-DW1 Total Recoverable Ground Water 6020B 748855 680-224568-6 9204-SW1 Total Recoverable Ground Water 6020B 748855 680-224568-7 9204-SW2 Total Recoverable Ground Water 6020E 748855 Eurofins Savannah Page 55 of 79 12/1/2022 QC Association Summary Client: Environmental Conservation Laboratories Job ID: 680-224568-1 Project/Site: CF16089 Metals (Continued) Analysis Batch: 749282 (Continued) Lab Sample ID Client Sample ID Prep Type Matrix Method Prep Batch 680-224568-8 9204-MW8 Total Recoverable Ground Water 6020B 748855 680-224568-9 9204-GP-10S Total Recoverable Ground Water 6020B 748855 680-224568-10 9204-DUPLICATE Total Recoverable Ground Water 6020B 748855 680-224568-12 9204-EQUIPMENT BLANK Total Recoverable Water 6020B 748855 MB 680-748855/1-A Method Blank Total Recoverable Water 6020B 748855 F LCS 680-748855/2-A Lab Control Sample Total Recoverable Water 6020B 748855 Prep Batch: 749393 Lab Sample ID Client Sample ID Prep Type Matrix Method Prep Batch 680-224568-8 9204-MW8 Total/NA Ground Water 7470A 680-224568-9 9204-GP-10S Total/NA Ground Water 7470A MB 680-749393/1-A Method Blank Total/NA Water 7470A LCS 680-749393/2-A Lab Control Sample Total/NA Water 7470A Analysis Batch: 749417 Lab Sample ID Client Sample ID Prep Type Matrix Method Prep Batch 680-224568-1 9204-MW1R Total Recoverable Ground Water 6010D 748851 680-224568-2 9204-MW5 Total Recoverable Ground Water 6010D 748851 680-224568-3 9204-MW6 Total Recoverable Ground Water 6010D 748851 680-224568-4 9204-MW9 Total Recoverable Ground Water 6010D 748851 680-224568-5 9204-DW1 Total Recoverable Ground Water 6010D 748851 680-224568-6 9204-SW1 Total Recoverable Ground Water 6010D 748851 680-224568-7 9204-SW2 Total Recoverable Ground Water 6010D 748851 680-224568-8 9204-MW8 Total Recoverable Ground Water 6010D 748851 680-224568-9 9204-GP-10S Total Recoverable Ground Water 6010D 748851 680-224568-10 9204-DUPLICATE Total Recoverable Ground Water 6010D 748851 680-224568-12 9204-EQUIPMENT BLANK Total Recoverable Water 6010D 748851 MB 680-748851/1-A Method Blank Total Recoverable Water 6010D 748851 LCS 680-748851/2-A Lab Control Sample Total Recoverable Water 6010D 748851 Analysis Batch: 749737 Lab Sample ID Client Sample ID Prep Type Matrix Method Prep Batch 680-224568-8 9204-MW8 Total/NA Ground Water 7470A 749393 680-224568-9 9204-GP-10S Total/NA Ground Water 7470A 749393 MB 680-749393/1-A Method Blank Total/NA Water 7470A 749393 LCS 680-749393/2-A Lab Control Sample Total/NA Water 7470A 749393 General Chemistry Analysis Batch: 748870 Lab Sample ID Client Sample ID Prep Type Matrix Method Prep Batch 680-224568-8 9204-MW8 Total/NA Ground Water 4500 S2 F-2011 680-224568-9 9204-GP-10S Total/NA Ground Water 4500 S2 F-2011 MB 680-748870/1 Method Blank Total/NA Water 4500 S2 F-2011 LCS 680-748870/2 Lab Control Sample Total/NA Water 4500 S2 F-2011 LCSD 680-748870/3 Lab Control Sample Dup Total/NA Water 4500 S2 F-2011 Prep Batch: 749687 Lab Sample ID Client Sample ID Prep Type Matrix Method Prep Batch 680-224568-8 9204-MW8 Total/NA Ground Water 9012E 680-224568-9 9204-GP-10S Total/NA Ground Water 9012E Eurofins Savannah Page 56 of 79 12/1/2022 QC Association Summary Client: Environmental Conservation Laboratories Project/Site: CF16089 General Chemistry (Continued) Prep Batch: 749687 (Continued) Lab Sample ID Client Sample ID MB 680-749687/1-A Method Blank LCS 680-749687/2-A Lab Control Sample 680-224568-8 MS 9204-MW8 680-224568-8 MSD 9204-MW8 Analysis Batch: 749845 Lab Sample ID Client Sample ID 680-224568-8 9204-MW8 680-224568-9 9204-GP-10S MB 680-749687/1-A Method Blank LCS 680-749687/2-A Lab Control Sample 680-224568-8 MS 9204-MW8 680-224568-8 MSD 9204-MW8 Job ID: 680-224568-1 Prep Type Matrix Method Prep Batch Total/NA Water 9012B Total/NA Water 9012B Total/NA Ground Water 9012B Total/NA Ground Water 9012B Prep Type Matrix Method Prep Batch Total/NA Ground Water 9012B 749687 Total/NA Ground Water 9012B 749687 Total/NA Water 9012B 749687 Total/NA Water 9012B 749687 Total/NA Ground Water 9012B 749687 Total/NA Ground Water 9012B 749687 Eurofins Savannah Page 57 of 79 12/1/2022 Lab Chronicle Client: Environmental Conservation Laboratories Project/Site: CF16089 Job ID: 680-224568-1 Client Sample ID: 9204-MW1 R Lab Sample ID: 680-224568-1 Date Collected: 10/31/22 16:15 Matrix: Ground Water Date Received: 11/02/22 08:00 Batch Batch Prep Type Type Method Total/NA Analysis 8260D Instrument ID: CMSC Total/NA Analysis 8260D SIM Instrument ID: VMS E Total Recoverable Prep 3005A Total Recoverable Analysis 6010D Instrument ID: ICPH Total Recoverable Prep 3005A Total Recoverable Analysis 6020B Instrument ID: ICPMSC Dil Run Factor Initial Amount Final Amount Batch Number Prepared or Analyzed Analyst Lab 1 5 mL 5 mL 750117 11/11/22 17:10 Y1S EET SAV 1 5 mL 5 mL 593202 11/11/22 23:20 GO EET DEN 50 mL 50 mL 748851 11/04/22 11:23 BCB EET SAV 1 749417 11/07/22 22:25 BJB EET SAV • 50 mL 250 mL 748855 11/04/22 11:25 BCB EET SAV 1 749282 11/06/22 01:28 BWR EET SAV Client Sample ID: 9204-MW5 Lab Sample ID: 680-224568-2 Date Collected: 10/31/22 12:35 Matrix: Ground Water Date Received: 11/02/22 08:00 Batch Batch Dil Initial Final Batch Prepared Prep Type Type Method Run Factor Amount Amount Number or Analyzed Analyst Lab Total/NA Analysis 8260D 1 5 mL 5 mL 750117 11/11/22 14:39 Y1S EET SAV Instrument ID: CMSC Total/NA Analysis 8260D SIM 1 5 mL 5 mL 593202 11/11/22 23:40 GO EET DEN Instrument ID: VMS E Total Recoverable Prep 3005A 50 mL 50 mL 748851 11/04/22 11:23 BCB EET SAV Total Recoverable Analysis 6010D 1 749417 11/07/22 22:28 BJB EET SAV Instrument ID: ICPH Total Recoverable Prep 3005A 50 mL 250 mL 748855 11/04/22 11:25 BCB EET SAV Total Recoverable Analysis 6020B 1 749282 11/06/22 01:32 BWR EET SAV Instrument ID: ICPMSC Client Sample ID: 9204-MW6 Lab Sample ID: 680-224568-3 Date Collected: 10/31/22 11:50 Matrix: Ground Water Date Received: 11/02/22 08:00 Batch Batch Dil Initial Final Batch Prepared Prep Type Type Method Run Factor Amount Amount Number or Analyzed Analyst Lab Total/NA Analysis 8260D 1 5 mL 5 mL 750117 11/11/22 14:58 Y1S EET SAV Instrument ID: CMSC Total/NA Analysis 8260D SIM 1 5 mL 5 mL 593202 11/12/22 00:00 GO EET DEN Instrument ID: VMS E Total Recoverable Prep 3005A 50 mL 50 mL 748851 11/04/22 11:23 BCB EET SAV Total Recoverable Analysis 6010D 1 749417 11/07/22 22:31 BJB EET SAV Instrument ID: ICPH Total Recoverable Prep 3005A 50 mL 250 mL 748855 11/04/22 11:25 BCB EET SAV Total Recoverable Analysis 6020B 1 749282 11/06/22 01:36 BWR EET SAV Instrument ID: ICPMSC Page 58 of 79 Eurofins Savannah 12/1 /2022 Lab Chronicle Client: Environmental Conservation Laboratories Project/Site: CF16089 Job ID: 680-224568-1 Client Sample ID: 9204-MW9 Lab Sample ID: 680-224568-4 Date Collected: 10/31/22 11:00 Matrix: Ground Water Date Received: 11/02/22 08:00 Batch Batch Prep Type Type Method Total/NA Analysis 8260D Instrument ID: CMSC Total/NA Analysis 8260D SIM Instrument ID: VMS E Total Recoverable Prep 3005A Total Recoverable Analysis 6010D Instrument ID: ICPH Total Recoverable Prep 3005A Total Recoverable Analysis 6020B Instrument ID: ICPMSC Dil Run Factor Initial Amount Final Amount Batch Number Prepared or Analyzed Analyst Lab 1 5 mL 5 mL 750117 11/11/22 16:32 Y1S EET SAV 1 5 mL 5 mL 593202 11/12/22 00:21 GO EET DEN 50 mL 50 mL 748851 11/04/22 11:23 BCB EET SAV 1 749417 11/07/22 22:34 BJB EET SAV • 50 mL 250 mL 748855 11/04/22 11:25 BCB EET SAV 1 749282 11/06/22 01:40 BWR EET SAV Client Sample ID: 9204-DW1 Lab Sample ID: 680-224568-5 Date Collected: 10/31/22 15:50 Matrix: Ground Water Date Received: 11/02/22 08:00 Batch Batch Dil Initial Final Batch Prepared Prep Type Type Method Run Factor Amount Amount Number or Analyzed Analyst Lab Total/NA Analysis 8260D 1 5 mL 5 mL 750117 11/11/22 18:07 Y1S EET SAV Instrument ID: CMSC Total/NA Analysis 8260D SIM 1 5 mL 5 mL 593202 11/12/22 00:41 GO EET DEN Instrument ID: VMS E Total Recoverable Prep 3005A 50 mL 50 mL 748851 11/04/22 11:23 BCB EET SAV Total Recoverable Analysis 6010D 1 749417 11/07/22 22:37 BJB EET SAV Instrument ID: ICPH Total Recoverable Prep 3005A 50 mL 250 mL 748855 11/04/22 11:25 BCB EET SAV Total Recoverable Analysis 6020B 1 749282 11/06/22 01:44 BWR EET SAV Instrument ID: ICPMSC Client Sample ID: 9204-SW1 Lab Sample ID: 680-224568-6 Date Collected: 10/31/22 16:05 Matrix: Ground Water Date Received: 11/02/22 08:00 Batch Batch Dil Initial Final Batch Prepared Prep Type Type Method Run Factor Amount Amount Number or Analyzed Analyst Lab Total/NA Analysis 8260D 1 5 mL 5 mL 750117 11/11/22 14:20 Y1S EET SAV Instrument ID: CMSC Total/NA Analysis 8260D SIM 1 5 mL 5 mL 593202 11/12/22 01:01 GO EET DEN Instrument ID: VMS E Total Recoverable Prep 3005A 50 mL 50 mL 748851 11/04/22 11:23 BCB EET SAV Total Recoverable Analysis 6010D 1 749417 11/07/22 22:40 BJB EET SAV Instrument ID: ICPH Total Recoverable Prep 3005A 50 mL 250 mL 748855 11/04/22 11:25 BCB EET SAV Total Recoverable Analysis 6020B 1 749282 11/06/22 01:55 BWR EET SAV Instrument ID: ICPMSC Page 59 of 79 Eurofins Savannah 12/1 /2022 Lab Chronicle Client: Environmental Conservation Laboratories Project/Site: CF16089 Job ID: 680-224568-1 Client Sample ID: 9204-SW2 Lab Sample ID: 680-224568-7 Date Collected: 10/31/22 13:00 Matrix: Ground Water Date Received: 11/02/22 08:00 Batch Batch Prep Type Type Method Total/NA Analysis 8260D Instrument ID: CMSC Total/NA Analysis 8260D SIM Instrument ID: VMS E Total Recoverable Prep 3005A Total Recoverable Analysis 6010D Instrument ID: ICPH Total Recoverable Prep 3005A Total Recoverable Analysis 6020B Instrument ID: ICPMSC Dil Run Factor Initial Amount Final Amount Batch Number Prepared or Analyzed Analyst Lab 1 5 mL 5 mL 750117 11/11/22 16:51 Y1S EET SAV 1 5 mL 5 mL 593202 11/12/22 01:22 GO EET DEN 50 mL 50 mL 748851 11/04/22 11:23 BCB EET SAV 1 749417 11/07/22 22:44 BJB EET SAV • 50 mL 250 mL 748855 11/04/22 11:25 BCB EET SAV 1 749282 11/06/22 01:59 BWR EET SAV Client Sample ID: 9204-MW8 Lab Sample ID: 680-224568-8 Date Collected: 10/31/22 14:45 Matrix: Ground Water Date Received: 11/02/22 08:00 Batch Batch Dil Initial Final Batch Prepared Prep Type Type Method Run Factor Amount Amount Number or Analyzed Analyst Lab Total/NA Analysis 8260D 1 5 mL 5 mL 750117 11/11/22 15:55 Y1S EET SAV Instrument ID: CMSC Total/NA Analysis 8260D SIM 1 5 mL 5 mL 593202 11/12/22 01:42 GO EET DEN Instrument ID: VMS E Total/NA Prep 3520C 982.5 mL 1 mL 749092 11/05/22 22:10 IR EET SAV Total/NA Analysis 8270E 1 1 mL 1 mL 750610 11/15/22 05:42 OK EET SAV Instrument ID: CMST Total Recoverable Prep 3005A 50 mL 50 mL 748851 11/04/22 11:23 BCB EET SAV Total Recoverable Analysis 6010D 1 749417 11/07/22 22:47 BJB EET SAV Instrument ID: ICPH Total Recoverable Prep 3005A 50 mL 250 mL 748855 11/04/22 11:25 BCB EET SAV Total Recoverable Analysis 6020B 1 749282 11/06/22 01:03 BWR EET SAV Instrument ID: ICPMSC Total/NA Prep 7470A 50 mL 50 mL 749393 11/07/22 18:21 JKL EET SAV Total/NA Analysis 7470A 1 749737 11/09/22 09:09 JKL EET SAV Instrument ID: QuickTrace2 Total/NA Analysis 4500 S2 F-2011 1 270 mL 270 mL 748870 11/04/22 12:55 JAS EET SAV Instrument ID: NoEquip Total/NA Prep 9012B 6 mL 6 mL 749687 11/09/22 08:30 JAS EET SAV Total/NA Analysis 9012B 1 749845 11/09/22 16:06 JAS EET SAV Instrument ID: KONELAB4 Client Sample ID: 9204-GP-10S Lab Sample ID: 680-224568-9 Date Collected: 10/31/22 17:25 Matrix: Ground Water Date Received: 11/02/22 08:00 Batch Batch Dil Initial Final Batch Prepared Prep Type Type Method Run Factor Amount Amount Number or Analyzed Analyst Lab Total/NA Analysis 8260D 1 5 mL 5 mL 750117 11/11/22 16:13 Y1S EET SAV Instrument ID: CMSC Eurofins Savannah Page 60 of 79 12/1/2022 Lab Chronicle Client: Environmental Conservation Laboratories Project/Site: CF16089 Job ID: 680-224568-1 Client Sample ID: 9204-GP-10S Lab Sample ID: 680-224568-9 Date Collected: 10/31/22 17:25 Matrix: Ground Water Date Received: 11/02/22 08:00 Batch Batch Prep Type Type Method Total/NA Analysis 8260D SIM Total/NA Prep 3520C Total/NA Analysis 8270E Instrument ID: CMST Total Recoverable Prep 3005A Total Recoverable Analysis 6010D Instrument ID: ICPH Total Recoverable Prep 3005A Total Recoverable Analysis 6020B Instrument ID: ICPMSC Total/NA Prep 7470A Total/NA Analysis 7470A Instrument ID: QuickTrace2 Total/NA Analysis 4500 S2 F-2011 Instrument ID: NoEquip Total/NA Prep 9012B Total/NA Analysis 9012B Instrument ID: KONELAB4 Client Sample ID: 9204-DUPLICATE Date Collected: 10/31/22 00:00 Date Received: 11/02/22 08:00 Dil Run Factor Initial Amount Final Amount Batch Number Prepared or Analyzed Analyst Lab 1 5 mL 5 mL 593202 11/12/22 02:02 GO EET DEN 986.7 mL 1 mL 749092 11/05/22 22:10 IR EET SAV 1 1 mL 1 mL 750610 11/15/22 06:06 OK EET SAV 50 mL 50 mL 748851 11/04/22 11:23 BCB EET SAV 1 749417 11/07/22 22:50 BJB EET SAV • 50 mL 250 mL 748855 11/04/22 11:25 BCB EET SAV 1 749282 11/06/22 01:07 BWR EET SAV 50 mL 50 mL 749393 11/07/22 18:21 JKL EET SAV 1 749737 11/09/22 09:11 JKL EET SAV 1 270 mL 270 mL 748870 11/04/22 12:55 JAS EET SAV 6 mL 6 mL 749687 11/09/22 08:30 JAS EET SAV 1 749845 11/09/22 16:06 JAS EET SAV Lab Sample ID: 680-224568-10 Matrix: Ground Water Batch Batch Dil Initial Final Batch Prepared Prep Type Type Method Run Factor Amount Amount Number or Analyzed Analyst Lab Total/NA Analysis 8260D 1 5 mL 5 mL 750117 11/11/22 17:48 Y1S EET SAV Instrument ID: CMSC Total/NA Analysis 8260D SIM 1 5 mL 5 mL 593285 11/13/22 19:16 GO EET DEN Instrument ID: VMS E Total Recoverable Prep 3005A 50 mL 50 mL 748851 11/04/22 11:23 BCB EET SAV Total Recoverable Analysis 6010D 1 749417 11/07/22 22:53 BJB EET SAV Instrument ID: ICPH Total Recoverable Prep 3005A 50 mL 250 mL 748855 11/04/22 11:25 BCB EET SAV Total Recoverable Analysis 6020B 1 749282 11/06/22 01:10 BWR EET SAV Instrument ID: ICPMSC Client Sample ID: 9204-TRIP BLANK Lab Sample ID: 680-224568-11 Date Collected: 10/31/22 11:00 Matrix: Water Date Received: 11/02/22 08:00 Batch Batch Dil Initial Final Batch Prepared Prep Type Type Method Run Factor Amount Amount Number or Analyzed Analyst Lab Total/NA Analysis 8260D 1 5 mL 5 mL 750117 11/11/22 13:42 Y1S EET SAV Instrument ID: CMSC Total/NA Analysis 8260D SIM 1 5 mL 5 mL 593285 11/13/22 17:14 GO EET DEN Instrument ID: VMS E Page 61 of 79 Eurofins Savannah 12/1 /2022 Lab Chronicle Client: Environmental Conservation Laboratories Project/Site: CF16089 F Job ID: 680-224568-1 Client Sample ID: 9204-EQUIPMENT BLANK Lab Sample ID: 680-224568-12 Date Collected: 10/31/22 17:45 Matrix: Water Date Received: 11/02/22 08:00 Batch Batch Dil Initial Final Batch Prepared Prep Type Type Method Run Factor Amount Amount Number or Analyzed Analyst Lab Total/NA Analysis 8260D 1 5 mL 5 mL 750117 11/11/22 14:01 Y1S EET SAV Instrument ID: CMSC Total/NA Analysis 8260D SIM 1 5 mL 5 mL 593285 11/13/22 17:35 GO EET DEN Instrument ID: VMS E Total Recoverable Prep 3005A 50 mL 50 mL 748851 11/04/22 11:23 BCB EET SAV Total Recoverable Analysis 6010D 1 749417 11/07/22 23:02 BJB EET SAV • Instrument ID: ICPH Total Recoverable Prep 3005A 50 mL 250 mL 748855 11/04/22 11:25 BCB EET SAV Total Recoverable Analysis 6020B 1 749282 11/06/22 01:14 BWR EET SAV Instrument ID: ICPMSC Laboratory References: EET DEN = Eurofins Denver, 4955 Yarrow Street, Arvada, CO 80002, TEL (303)736-0100 EET SAV = Eurofins Savannah, 5102 LaRoche Avenue, Savannah, GA 31404, TEL (912)354-7858 Page 62 of 79 Eurofins Savannah 12/1 /2022 SUBCONTRACT ORDER C ENCO Cary CF16089 Sub Lab ID Originating Lab ID _ Client Matrix Date Sampled Sample Comments 9204-N,IW8 Ground Water 31-Oct-22 14:45 Analysis Due. Rip iris Anal sis �omm�nts 8260D SIM ID 10-NoN-22 1500 14-Nov-22 14 45 1 4-Dioxane 8270b Appendix 2 10-Nov-22 1500 07-Nov-22 14 45 Antimony Total EPA 6020B I O-Nov-22 1500 29-Apr-23 14 45 AP2 Mc. IN-Nt'--' 9-0-—I-O=No--22 15 00— 05-Nov-22-1-4.45 -- — -- Arsenic Total EPA 601 OD 10-Nov-22 1500 29-Apr-23 1445 Barium Total EPA 601 OD 10-Nov-22 1500 29-Apr-23 14 45 Beryllium Total EPA 601OD IO-Nov-22 1500 29-Apr-23 1445 Cadmium Total EPA 601OD 10-Nov-22 1500 29-Apr-23 1445 Chromium Total EPA 601 OD I O-Nov-22 1500 29-Apr-23 1445 Cobalt Total FPA 601 OD 10-Nov-22 1500 29-Apr-23 1445 Copper Total EPA 601 OD I O-Nov-22 1500 29-Apr-23 1445 Cyanide Total 9014 tl' 10-Nov-22 1500 14-Nov-22 1445 I. cad Total EPA 601 OD 10-Nov-22 1500 29-Apr-23 1445 Mercury Total EPA 7000 (Upda 10-No4-22 1500 28-Nov-22 1445 Nickel Total EPA 601 OD 10-Nov-22 1500 29-Apr-23 1445 Selenium Total EPA 6020B 10-Nov-22 1500 29-Apr-23 1445 Silver Total EPA 601 OD 10-Nov-22 1500 29-Apr-23 1445 Sullide SM4500-S D '�%t 10-NoN-22 1500 07-Nov-22 14 45 Thallnim Total EPA 6020B 10-Nov-22 1500 29-Apr-23 1445 "I in Total EPA 601UD 10-Nov-22 15 00 29-Apr-231445 Vanadium Total EPA 601 OD 10-Nov-22 1500 29-Apr-23 1445 Zinc Total EPA 601 OD 10-Nov-22 1500 29-Apr-23 1445 Conlamers Supplied I LA (A) 250mLP+HNO3 (B) 250mLP+Na01-I (C) 250mLP+ZnAc+NaOH (D) 40mLV+HCI (1-1) 40mLV+HCI (1) 40mLV+HCI (J) �c By Page 8 of I I Page 63 of 79 12/1/2022 SUBCONTRACT ORDER C ENCO Cary CF16O89 Sub Lab ID Originating Lab ID Client Matrix Date Sampled Sample Comments 9204-GP-JOS CroumrlWater 31-Oct-2217:25 Aaatsis .. )<!itt; fx ri>#s .. ArtatysiS Ooments 8260D SIM ID 10-Nov-22 15 00 14-Nov-22 1725 1,4-Dioxane 8270E Appendix 2 10-Nov-22 15 00 07-Nov-22 1725 Antimony Total EPA 6020B 10-Nov-22 15 00 29-Apr-23 1725 AP-2 Metals TC--_— i9TTov-22-1Y00 05-Nov-22 1 125 - Articnic Total EPA 601 OD 10-Nov-22 1500 29-Apr-23 1725 Barium Total LPA 6010D 10-Nov-22 1500 29-Apr-23 1725 Beryllium Total EPA 601 OD 10-Nov-22 15 00 29-Apr-23 1725 Cadmium Total EPA 6010D 10-Nov-22 1500 29-Apr-23 1725 Chromium Total EPA 601OD I O-Nov-22 1500 29-Apr-23 1725 Cobalt Total EPA 601 OD 10-Nov-22 1500 29-Apr-23 1725 Copper Total EPA 6010D 10-Nov-22 1500 29-Apr-23 1725 C-yamcle--Total-90 4 10-No-v_,22_.IS.00 14-Nnv_2217 2� -- ----� Lead Total EPA 6010D I O-Nov-22 1500 29-Apr-23 1725 Mercury Total EPA 7000 (Ueda 1 O-Nov-22 1500 28-Nov-22 1725 Nickel Total EPA 6010D 10-Nov-22 1500 29-Apr-23 1725 Selenium Total EPA 6020B 10-Nov-22 1500 29-Apr-23 1725 Silver Total EPA 6010D I O-Nov-22 1500 29-Apr-23 1725 Sulfide SM4500-S D 10-Nov-22 1500 07-Nov-22 1725 Thallium Total EPA 6020B 1 O-Nov-22 1500 29-Apr-23 1725 Tin Total EPA 601 OD I O-Nov-22 1500 29-Apr-23 1725 Vanadium Total EPA 6010D I O-Nov-22 1500 29-Apr-23 17 25 zinc total EPA 6010D 10-Nov-22 1500 29-Apr-23 1725 Conta eis 5ul)p1ted II A(A) 40mLV+I-ICI (1) 250mLP+IINO3 (B) 250mLP+NaO11 (C) 250mLP+ZnAc+Na0H (D) 40mLV+1-ICI (H) 40mLV+HCI (J) _I r l ["I oz Released By Date Received By Datc Released By Date Received By Dale Page 9 of I I Page 64 of 79 12/1/2022 SUBCONTRACT ORDER C ENCO Cary CF16089 Sub Lab ID Originating Lab ID Client Matrix Date Sampled Sample Comments 9204-Duplicate Ground Water 31-Oct-22 00:00 Analysis I?ue.. Ex".im Ana�i s1s Comments 8260D SIM ID 10-Nov-22 15 00 14-Nov-22 00 00 1,4-Dioxane /\ntimony Total EPA 6020B 10-Nov-22 15 00 29-Apr-23 00 00 AP I Metals NC 10-Nov-22 15 00 05-Nov-22 00 00 --- Arsenic o al-rPA 6(11"OD 1-0--Nod=22-1-5-00- 29-Apr-23 00 00 --- - — — Barium Total EPA 601OD 10-Nov-22 1500 29-Apr-23 00 00 Beryllium Total EPA 6010D 10-Nov-22 1500 29-Apr-23 00 00 Cadmium Total EPA 601 OD 10-Nov-22 1500 29-Apr-23 00 00 Chromium total EPA 6010D 10-Nov-22 1500 29-Apr-23 00 00 Cobalt Total EPA 601 OD 10-Nov-22 1500 29-Apr-23 00 00 Copper Total EPA 601 OD 10-Nov-22 1500 29-Apr-23 00 00 Leacl Total EPA 6010D 10-Nov-22 1500 29-Apr-23 00 00 Xiekel-1c.ta1...EPA 6DJOD 10-Nov-2�, 15.00 29-Apr-23 00.00 Selenium Total EPA 6020B 10-Nov-22 15 00 29-Apr-23 00 00 Silver Total EPA 601 OD 10-Nov-22 1500 29-Apr-23 00 00 Thallium Total EPA 6020B 10-Nov-22 1500 29-Apr-23 00 00 Vanadium Total EPA 601 OD 10-Nov-22 1500 29-Apr-23 00 00 Zinc Total EPA 60101) 10-Nov-22 1500 29-Apr-23 00 00 Conlatnei s Supplied 250mLP+HNO3 (A) 40mLV+HCI (E) 40mLV+HCI (F) 40mLV+HCI (G) By Page 65 of 79 I1-- oL-z, Date Date Page 10 of 11 12/1 /2022 0 SUBCONTRACT ORDER ENCO Cary CF16089 Sub Lab ID Originating Lab ID Client Matrix Date Sampled Sample Comments 9204-EquipmentBlank Water 31-Oct-2217:45 Anal ss 1)u Ex rsnaiysisotnmeatfs 8260D SIM ID 10-Nov-22 15 00 14-Nov-22 1745 1,4-Dioxane Antutiony Total EPA 6020B 10-Nov-22 15 00 29-Apr-23 1745 AP I Metals NC 10-Nov-22 15 00 05-Nov-22 17 45 Arsenic Total-bPA 60-1-OD 1-0-Nt)v-2-2-15 00 29-Apr-23 17 45 -- --- Barium Total EPA 601 OD 10-Nov-22 1500 29-Api-23 1745 Berylliwn Total LPA 601013 10-Nov-22 1500 29-Apr-23 1745 C adnuum Total EPA 601 OD 10-Nov-22 1500 29-Apr-23 1745 Chronmum Total LPA 601 OD I O-Nov-22 1500 29-Apr-23 1745 Cobalt Total EPA 601 OD 10-Nov-22 1500 29-Apr-23 1745 Copper Total rPA 601 OD I O-Nov-22 1500 29-Apr-23 17 ,15 Lead Total EPA 601 OD I O-Nov-22 1500 29-Apr-23 1745 Nukel Total EPA 601OD 10-Nov-22 1500 29-Apr-23 1745 Selenium Total CPA 6020B 10-Nov-22 1500 29-Apr-23 1745 Silver Total EPA 60I0D 10-Nov-22 1500 29-Apr-23 1745 Thallium Total EPA 6020B I O-Nov-22 1500 29-Apr-23 1745 Vanadium Total EPA 601 OD 10-Nov-22 1500 29-Apr-23 1745 Zinc Total EPA 601 OD 10-Nov-22 1500 29-Apr-23 1745 Conlanteis Supplied 250m1.P+HNO3 (A) 40mLV+HCI (E) 40mLV+HCI (F) 40mLV+HCI (G) Sub Lab ID Originating Lab [D Client Matrix Date Sampled Sample Comments 9204-TripBlank Water 31-Oct-22 11:00 Analysis Ane >[Jxpires rnalyslsoint uts 8260D SIM 1D 10-Nov-22 15 00 14-Nov-22 11 00 1,4-Dioxane Conlainera Supphed 40mLV+HCI (C) 40mLV+HCI (D) Recei%ed By Page 66 of 79 )ate Page II of11 12/1 /2022 0 110 Q) Ll 10, XIlk la tr 12/1/2022 0 'Sample Preservation Verification ENCO Cary Work Order CF16089 Client S&ME Inc (SM001) Logged In 01 Nov 22 10 13 Prest-rvation Chprk Performed By CF16089-01 Project Sorrell Landfill - Semi -Annual Project # 1054-07-251 Logged By Samantha L Hy tt Date/Time -11 ( I quirem op t P�r i 44M_­ we, AJT2y50mCP+HNO3 2 Y N NA Y �N ) NA CF16089-02 Cont Type ftequiroMe'llt P "O'Jo to 13Mme I ad P4 Adjust Adjusted Used/Comments U A 260mLP+HNO3 <2 N NA Y �N /NA —Co dnl fo T Type Pr". jPH) Q MOM I -.,COT"J AR 1 014 Ad U$* Reag eAlt AJwd/Cornhientis A 2,615'0enmi L P + H N 0 3 ­2 YTN / NA Y !N NA CF16089-04 T ptes, fp") P-11 Chee k04 11AdjL Control R WT" tso Mt,V PHAdd Reaqent -U tiadtCommenis A42 5'0�tYRL FP+ H N 0 3 <2 Y ) N I NA NNA CF16089-06 Owl Type pw: H) qqq imrriqpt u 001 Dot A A 250rnl_ +HNO3 <2 Y) N I NA CF16089-06 Cont pe Fres, (PH) I Reouirement 10171 che(*ed 1. '14 Cohtr.01 1 pH Adjo 0 Adjusted Reagent UsedCornments A 250mb 4-IAN03 2 _FY N I NA I Y! N '/)NA CF16089-07 Cont TP6 Y ra W0101 Dilt0ft-, pH AjuttF,t�rstiicirrttents 4 A 260mL +HNO3 <2 Y N / NA Y N NA CF16089-08 Cont Type R'Soul '10 Control Adjusted Reagent Usk 0Ments 90 in- rs 2.50nil. P HNO3 ­2 Y ) N I 14A Y! N) NA C 250mLP4Na0H >12 N / NA , 3YN Y NA D 250n*P+ZnAc-+Na01 I -'q / NA \IE L M NT\P rInt\wko -PreservationC heck rpt 1-1,1(10 1 Page 68 of 79 12/1/2022 Sample Preservation Verification ENCO Cary Work Ordpr CF 16089 Client S&ML Inc (SM001) Lodged In 01 -Nov 22 10 13 Preservation Check Performed By CF16089 09 Project Sorrell Landfill - Semi -Annual Project # 1054-07-251 Logged By Samantha L Hfa t Date/Time -:,- Cont -, - - Type RequireMent _15" "MM Te I n, COhItOt , i pRAdjosted AdWsted "'$wbomments 'b a B 260niLlli HNO 1 2 1'. N INA Y(W' , NA G 250rnLP+NaOIA -12 Y /N INA Y1N'Y NA V) 250wLPi7nAc+NaOH >9 Y N I NA Y N NA CF16089.10 a o : C1716089-111 Cant Type — tires (pH) Requirs Choftd I Mcol I PH P%?Sted Pa 0 Reagent Used =A25OrnLP+HNO3 �2 Y 1 N I NA k I Y_! ) ANA Reaqent Name ID I I I I ) L pH Strip ID __. C _.IJ 0b1)i1(_) Rea ent Name ID 3 Rp.aqent Name ID 5 6 (. ' ILLM N T \Pn rMAo—PreservationG heck rpt Page 69 of 79 "er, /2'022 SENDING LABORATORY: ENCO Cary 102-A Woodwinds Industrial Court Cary, NC 27511 Phone 919 467 3090 Fax 919.467.3515 Project Manager l �11 SUBCONTRACT ORDER v ENCO Cary CF16089 � u RECEIVING LABORATORY: Test America (GA) 5102 LaRoche Avenue Savannah, GA 31404 L Phone (912)354-7858 Fax -0 Project State of Origin: North Carolina Sub Lab ID Originating Lab ID Client Matrix Date Sampled Sample Comments 9204-MWIR Ground Water 31-Oct-22 16:15 Atltt s)s _ Due Anal sI'mments 8260D SIM ID t 6 2- 10-Nov-22 15 00 14-Nov-22 16 15 1,4-Dioxane Antimony Total EPA 6020B 10-Nov-22 15 00 29-Apr-23 16 15 AP I Metals NC '� %D 10-Nov-22 15 00 05-Nov-22 16 15 Arsenic Total EPA 601 OD 10-Nov-22 15 00 29-Apr-2.3 16 15 13ai+u ZoTI-EPK60-1'( tO Nuv--22-1-5-Ob-29--t3sT--23-I-6-175- Beryl lnim Total EPA 601OD 10-Nov-22 1500 29-Apr-23 16 15 680-224568 Chain of Custody_ Cadmium Total EPA 601OD I O-Nov-22 1500 29-Apr-23 16 15 Chromium Total EPA 601 OD 10-Nov-22 1500 29-Apr-23 16 15 Cobalt Total EPA 601OD 10-Nov-22 1500 29-Apr-23 16 15 Copper Total EPA 601 OD 10-Nov-22 1500 29-Apr-23 16 15 Lead Total EPA 601 OD I O-Nov-22 1500 29-Apr-23 16 15 Nickel Total EPA 601 OD 10-Nov-22 1500 29-Apr-23 16 15 Selenium Total EPA 6020B I O-Nov-22 1500 29-Apr-23 16 15 Silver Total EPA 601OD 10-Nov-22 1500 29-Apr-23 16 15 Thallium Total EPA 6020E 10-Nov-22 15 00 29-Apr-23 16 15 Vanadium Total EPA 601 OD I O-Nov-22 1500 29-Apr-23 16 15 Zinc total EPA 601 OD 10-Nov-22 1500 29-Apr-23 16 15 Containers Supplied 250mLP+HNO3 (A) 40mLV+I-ICI (E) 40mLV+HCI (F) 40niLV+HCI (G) Released kv Date Received By Date Rel la"Ied By Date Received By Date (\ Page I of 1 I Page 70 of 79 12/1 /2022 SUBCONTRACT ORDER C ENCO Cary CF16089 Sub Lab ID Originating Lab ID Client Matrix Date Sampled Sample Comments 9204-MW5 Ground Water 31-Oct-22 12:35 Anal s1s )Lfu€e �:_ 1 `ir ikmm 8260D SIM ID 10-Nov-22 15 00 14-Nov-22 12 35 1,4-Dioxane Antimony Tow EPA 6020B 10-Nov-22 15 00 29-Apr-23 12 35 AP I Metals NC 10-Nov-22 15 00 05-Nov-22 12 35 Amenuc Total EPA-W I GD- 1-0--Nov=22-15-00-- 29-Apr-2--3 12 35- Banuin Total EPA 60101) 1 O-Nov-22 1500 29-Apr-23 12 35 Beryllium Total EPA 601 OD I O-Nov-22 1500 29-Apr-23 1235 Cadmium Total EPA 601 OD 10-Nov-22 1500 29-Apr-23 1235 Chromium Total EPA 601 OD l O-Nov-22 1500 29-Apr-23 1235 Cobalt Total EPA 601 OD I O-Nov-22 1500 29-Apr-23 1235 Copper Total EPA 601OD 10-Nov-22 1500 29-Apr-23 12 35 Lead Total EPA 601 OD I O-Nov-22 1500 29-Apr-23 1235 —Nickel-Total E.P� 6 I U-Nav-22 I S OO 29-Apr-23 12 35 Selenium Total EPA 6020B 10-NoN-22 15 00 29-Apr-23 1235 — — Silver Total EPA 60101) 10-Nov-22 1500 29-Apr-23 1235 Thallium Total EPA 6020B I O-Nov-22 1500 29-Apr-23 12 35 Vanadium Total EPA 601 OD I O-Nov-22 1500 29-Apr-23 12 35 Zinc, Total EPA 601OD 10-Nov-22 15 00 29-Apr-23 1235 Confcnneis Supplied 250mLP+FIN03 (A) 40mLV+HCI (E) 40iuLV+1ICI (F) 40mLV+HCI (G) bz - ZZ Released By Date Received 13v Date Page 71 of 79 Page 2 o t 11 12/1 /2022 SUBCONTRACT ORDER C ENCO Cary CF16089 Sub Lab ID Originating Lab ID Client Matrix Date Sampled Sample Comments 9204-MW6 Ground Water 31-Oct-22 11:50 t o V re A, C%rdt<n is 8260D SIM ID 10-Nov-22 15 00 14-Nov-22 11 50 1,4-Dioxane Antimony Total FPA 6020B 10-Nov-22 15 00 29-Apr-23 11 50 AP_ etals NC 10-Nov-22 15 00 05-Nov-22 11 50 Arsenic Total EPA 6010D� 10-Nov-22 15 00 29-Apr-23 11 50 Barium Total FPA 6010D 10-Nov-22 1500 29-Apr-23 11 50 13cryilfum Total EPA 601OD I O-Nov-22 1500 29-Apr-23 I 1 50 Cadmium Total EPA 60IOD 10-Nov-22 1500 29-Apr-23 11 50 �. Chromium Total EPA 6010D M-Nov-22 15 00 29-Apr-23 11 50 Cobalt Total EPA 6010D 10-Nov-22 1500 29-Apr-23 11 50 Copper Total LPA 6010D I O-Nov-22 1500 29-Apr-23 11 50 Lead Total EPA 6010D I O-Nov-22 1500 29-Apr-23 11 50 Nickel Total EPA-6= r 1-0=Nov-2-2-1-5-00 29- pr-23 11 50 Selenium Total EPA 6020B 10-Nov-22 15 00 29-Apr-23 11 50 Silver Total EPA 601 OD 10-Nov-22 1500 29-Apr-23 1 150 Thallium Total EPA 6020B 10-Nov-22 1500 29-Apr-23 11 50 Vanadium Total EPA 6010D I O-Nov-22 15 00 29-Apr-23 11 50 Zinc Total EPA 60 t OD 10-Nov-22 15 00 29-Apr-23 11 50 Conlarners Supplied 250mLP+HNO3 (A) 40mLV+HCI (E) 40mLV+HCI (F) 40mLV+HCI (G) Released By Date Retcived By Date Page 3 of I I Page 72 of 79 12/1/2022 SUBCONTRACT ORDER C ENCO Care CF16O89 Sub Lab ID Originating Lab ID Client Matrix Date Sampled Sample Comments 920441W9 Ground Water 31-Oct-22 11.00 Due,: >� ides "tall tntttiri!ts. , 8260D SIM ID 10-Nov-22 15 00 14-Nov-22 I 1 00 1,4-Dioxane Antimony Total EPA 6020B 10-Nov-22 15 00 29-Apr-23 1100 AP I Metals NC 10-Nov-22 15 00 05-Nov-22 I 1 00 Arsenic Total EPA 01M --iO=Nov-2T15 00 29-Apr-23 It 00 — — — — — — --- Barium Total EPA 6010D 10-Nov-22 1500 29-Apr-23 11 00 Beryllium Total EPA 6010D 10-Nov-22 1500 29-Apr-23 11 00 Cadmium Total EPA 6010D 10-Nov-22 1500 29-Apr-23 I 1 00 Chromium Total EPA 6010D I O-Nov-22 1500 29-Apr-23 I 1 00 Cobalt Total EPA 6010D 10-Nov-22 15 00 29-Apr-23 I 1 00 Copper Total EPA 6010D i O-Nov-22 1500 29-Apr-23 I l 00 Lead Total EPA 6010D 10-Nov-22 1500 29-Apr-23 I 1 00 - Nickel -Total EPA-60 tOD---J-O-No-22-15-.00.-29Ap 23_J 100 Selenium Total EPA 6020B 10-Nov-22 15 00 29-Apr-23 11 00 Silver Total EPA6010D 10-Nov-22 15 00 29-Apr-23 11 00 Thallium, Total EPA 6020B I O-Nov-22 1500 29-Apr-23 11 00 Vanadium Total EPA 601 OD I O-Nov-22 1500 29-Apr-23 11 00 Zinc Total EPA 6010D 10-Nov-22 1500 29-Apr-23 t 1 00 Conlainers Supplied 250mLP+HNO3 (A) 40niLV+HCI (E) 40mLV+HCI (P) 40mLV+HCI (G) P 1 0z• By Date 9111111v� 0 Received By Date Page 4 ol' I I Page 73 of 79 12/1/2022 SUBCONTRACT ORDER C ENCO Cary CF16089 Sub Lab ID Originating Lab ID Client Matrix Date Sampled Sample Comments 9204-DW I Ground Water 31-Oct-22 15:50 Analysis Due ExY qua sis Coiu�enfs 8260D S11\v1 1D 10-Nov-22 1500 14-Nov-22 15 50 L4-Dioxane Antimony Total EPA 6020B 10-Nov-22 1500 29-Apr-23 15 50 AP I Metals NC 10-Nov-22 1500 05-Nov-22 15 50 Arsemc Tom I EPA 601 OD — I 0=N-ov=22 15- 00 29-Apr-23-15 50 --- -- — Barnum Total EPA 6010D I O-Nov-22 1500 29-Apr-23 1550 Beryl Imin Total EPA 6010D I O-Nov-22 1500 29-Apr-23 15 50 Cadmium Total EPA 6010D 10-Nov-22 15 00 29-Apr-23 1550 Chrommm Total EPA 6010D I O-Nov-22 1500 29-Api-23 1550 Cobalt Total EPA 6010D I O-Nov-22 1500 29-Apr-23 15 50 Copper Total EPA 601 OD I O-Nov-22 1500 29-Apr-23 15 50 1 ead Total EPA 6010D I O-Nov-22 1500 29-Apr-23 1550 _Aick&To_taLEPA W 10U 10-Nov-22 1500 29-Apr-23 15 50 Selemum Total EPA 6020B I O-Nov-22 1500 29-Apr-23 1550 Silver Total EPA 6010D IO-Nov-22 1500 29-Apr-23 1550 I-hallium Total EPA 6020B 10-Nov-22 1500 29-Apr-23 1550 Vanadium Total EPA 6010D I O-Nov-22 1500 29-Apr-23 15 50 Zinc Total EPA 6010D I O-Nov-22 1500 29-Apr-23 1550 Conlamei s Supplied 250mLP+HNO3 (A) 40mLV+HCI (E) 40mLV+HCI (E) 40mLV+HCI (G) `i(i dl-az—7, Released By Datc Received B) Date Released By Date Received 13) Date Page 5 of I I Page 74 of 79 12/1/2022 SUBCONTRACT ORDER C ENCO Cary CF16089 Sub Lab ID Originating Lab ID Client Matrix Date Sampled Sample Comments 9204-SW1 Surface Water 31-Oct-22 16:05 Attat sip �:ra� � rt•'s final s;s �'ar�m�ls C 8260D SIM ID 10-Nov-22 15 00 14-Nov-22 16 05 1,4-Dioxane Antimony Total EPA 6020B I O-Nov-22 1500 29-Apr-23 16 05 API Metals NC I O-Nov-22 1500 05-Nov-22 16 05 Aascnic-Total EPA 60-1 OD — I O-Nov-22 15 00 29-Apr 23- 1-6.A5- Barnun Total EPA 601 OD 10-Nov-22 1500 29-Apr-23 1605 Beryllium Total EPA 6010D 10-Nov-22 1500 29-Apr-23 1605 Cadmium Foul EPA 601OD 1 O-Nov-22 1500 29-Apr-23 1605 Chromium Total EPA 6010D I O-Nov-22 1500 29-Apr-23 1605 Cobalt Total EPA 6010D 10-Nov-22 1500 29-Apr-23 1605 Copper Total EPA 6010D I O-Nov-22 1500 29 Apr-23 1605 Lead Total EPA 6010D I O-Nov-22 1500 29-Apr-23 1605 Nickel Total EPA 6010D 10-Nov-22 15 00 29-Apr-23 1605 Selenium Total EPA 6020B I O-Nov-22 1500 29-Apr-23 1605 Silver Total EPA 6010D 10-Nov-22 1500 29-Apr-23 1605 Thallium Total EPA 6020B 10-Nov-22 1500 29-Apr-23 1605 Vanadium Total EPA 6010D 10-Nov-22 1500 29-Apr-23 1605 Zmc Total EPA 6010D I O-Nov-22 1500 29-Apr-23 1605 Confaine, s Supp ►ed 250mLP+HNO3 (A) 40mLV+HC1(E) 40mLV+HC1 (F) l R e Rewied By 40mLV+HC1 (G) - OZ — ti 0n I.3 - ) -5 0 Page 6 of I I Page 75 of 79 12/1/2022 SUBCONTRACT ORDER C ENCO Cary CF16089 Sub Lab ID Originating Lab ID Client Matrix Date Sampled Sample Comments 9204-SW2 Surface Water 31-Oct-22 13:00 Anal sps .. True _ Ex arm 8260D SIM ID 10-Nov-22 15 00 14-Nov-22 13 00 I A-Dioxane Antimony Total EPA 6020B 10-Nov-22 15 00 29-Apr-23 13 00 API Metals NC 10-Nov-22 15 00 05-Nov-22 13 00 — Arsenie Total EPA 60I OD -10-Nov 2-2- 15 00 29-Apr-23-13-00 -- — - Barium Total EPA 6010D 10-Nov-22 1500 29-Apr-23 13 00 Beryllrum'fotal EPA6010D IO-Nov-22 1500 29-Apr-23 1300 Cadmium Total EPA 6010D I O-Nov-22 1500 29-Apr-23 1300 Chromium Total EPA 6010D 10-Nov-22 15 00 29-Apr-23 1300 Cobalt Total EPA 6010D I O-Nov-22 1500 29-Apr-23 1300 Copper Total EPA 6010D 10-Nov-22 15 00 29-Apr-23 13 00 Lead Total EPA 601 OD 10-Nov-22 1500 29-Apr-23 1300 Nickel Total EPA 6010131 1 O-Nov-22 1500 29-Apr-23 1300 _ Selenium Total EPA 6020B I O-Nov-22 1500 29-Apr-23 1300 Silver Total EPA 6010D I O-Nov-22 1500 29-Apr-23 1300 Thalhum Total EPA 6020B I O-Nov-22 1500 29-Apr-23 1300 Vanadium Total EPA 6010D IO-Nov-22 1500 29-Apr-23 13 00 Zinc Total EPA 6010D 10-Nov-22 1500 29-Apr-23 1300 Containei s Supplied 250mLP+HNO3 (A) 40mLV+HCI (E) 40mLV+HC1 (F) 40mLV+HCI (G) 0<, - L Iv Page 76 of 79 Page 7 of 11 12/1 /2022 Login Sample Receipt Checklist Client: Environmental Conservation Laboratories Job Number: 680-224568-1 Login Number: 224568 List Number: 1 Creator: Harley, Tynisha Question List Source: Eurofins Savannah Answer Comment Radioactivity wasn't checked or is </= background as measured by a survey N/A meter. The cooler's custody seal, if present, is intact. True Sample custody seals, if present, are intact. True The cooler or samples do not appear to have been compromised or True tampered with. Samples were received on ice. True Cooler Temperature is acceptable. True m Cooler Temperature is recorded. True COC is present. True COC is filled out in ink and legible. True COC is filled out with all pertinent information. True Is the Field Sampler's name present on COC? True There are no discrepancies between the containers received and the COC. True Samples are received within Holding Time (excluding tests with immediate True HTs) Sample containers have legible labels. True Containers are not broken or leaking. True Sample collection date/times are provided. True Appropriate sample containers are used. True Sample bottles are completely filled. True Sample Preservation Verified. N/A There is sufficient vol. for all requested analyses, incl. any requested True MS/MSDs Containers requiring zero headspace have no headspace or bubble is N/A <6mm (1/4"). Multiphasic samples are not present. True Samples do not require splitting or compositing. True Residual Chlorine Checked. N/A Eurofins Savannah Page 77 of 79 12/1/2022 Login Sample Receipt Checklist Client: Environmental Conservation Laboratories Job Number: 680-224568-1 Login Number: 224568 List Number: 2 Creator: Lee, Jerry Question List Source: Eurofins Denver List Creation: 11/04/22 08:22 PM Answer Comment Radioactivity wasn't checked or is </= background as measured by a survey True meter. The cooler's custody seal, if present, is intact. True Sample custody seals, if present, are intact. True The cooler or samples do not appear to have been compromised or True tampered with. Samples were received on ice. True Cooler Temperature is acceptable. True m Cooler Temperature is recorded. True COC is present. True COC is filled out in ink and legible. True COC is filled out with all pertinent information. True Is the Field Sampler's name present on COC? N/A There are no discrepancies between the containers received and the COC. True Samples are received within Holding Time (excluding tests with immediate True HTs) Sample containers have legible labels. True Containers are not broken or leaking. True Sample collection date/times are provided. True Appropriate sample containers are used. True Sample bottles are completely filled. True Sample Preservation Verified. False There is sufficient vol. for all requested analyses, incl. any requested True MS/MSDs Containers requiring zero headspace have no headspace or bubble is True <6mm (1/4"). Multiphasic samples are not present. True Samples do not require splitting or compositing. True Residual Chlorine Checked. N/A Eurofins Savannah Page 78 of 79 12/1/2022 Accreditation/Certification Summary Client: Environmental Conservation Laboratories Job ID: 680-224568-1 Project/Site: CF16089 Laboratory: Eurofins Savannah The accreditations/certifications listed below are applicable to this report. Authority Program Identification Number Expiration Date North Carolina (WW/SW) State 269 12-31-22 Laboratory: Eurofins Denver All accreditations/certifications held by this laboratory are listed. Not all accreditations/certifications are applicable to this report. Authority Program Identification Number Expiration Date A21-A Dept. of Defense ELAP 2907.01 10-31-23 A21-A ISO/IEC 17025 2907.01 10-31-23 Alabama State Program 40730 09-30-12 Alaska (UST) State 18-001 02-08-23 Arizona State AZ0713 12-20-22 Arkansas DEQ State 19-047-0 05-31-23 California State 2513 01-08-23 Connecticut State PH-0686 09-30-22 * Florida NELAP E87667-57 06-30-23 m Georgia State 4025-011 01-08-23 Illinois NELAP 2000172019-1 04-30-23 Iowa State IA#370 11-30-22 Kansas NELAP E-10166 04-30-23 Kentucky (WW) State KY98047 12-31-22 Louisiana NELAP 30785 06-30-14 Louisiana NELAP 30785 06-30-23 Louisiana (All) NELAP 30785 06-30-23 Minnesota NELAP 1788752 12-31-22 Nevada State CO000262020-1 07-31-23 New Hampshire NELAP 205319 04-28-23 New Jersey NELAP 190002 06-30-23 New York NELAP 59923 04-01-23 North Carolina (WW/SW) State 358 12-31-22 North Dakota State R-034 01-08-23 Oklahoma NELAP 8614 08-31-23 Oregon NELAP 4025-011 01-09-23 Pennsylvania NELAP 013 07-31-23 South Carolina State 72002001 01-08-23 Texas NELAP TX104704183-08-TX 09-30-09 Texas NELAP T104704183-21-19 09-30-23 US Fish & Wildlife US Federal Programs 058448 07-31-23 USDA US Federal Programs P330-20-00065 03-06-23 Utah NELAP QUAN5 06-30-13 Utah NELAP CO000262019-11 07-31-23 Virginia NELAP 10490 06-14-23 Washington State C583-19 08-03-23 West Virginia DEP State 354 11-30-22 Wisconsin State 999615430 08-31-23 " Accreditation/Certification renewal pending - accreditation/certification considered valid. Eurofins Savannah Page 79 of 79 12/1/2022 Appendix IV - Hydraulic Gradient/ Groundwater Flow Velocity Calculations JOB NAME Sorrell Landfill JOB NO. 1054-07-251 SUBJECT Hydraulic Gradient SHEET NO. 1 of 1 DATE 12128/2022 PURPOSE: COMPUTED BY DBK To determine the average true hydraulic gradient CALCULATION FOR HYDRAULIC GRADIENT f i = fhl-h2,L Given: Well GW Elevation kAzoNE: hydraulic conductivity 0.25 to 1.13 FT/DAY MW-lR 446.76 D: porosity 0.2 dimensionless MW-9 407.68 'AVG•: AVERAGE HYDRAULIC GRADIENT 0.0258 FT/FT MW-4 437.71 MW-8 435.40 CALCULATED FROM THE AVERAGE OF THREE POINT SOLUTIONS MW-5 388.22 USING MONITOR WELLS MW-1R, MW-9, and MW-4 or MW-8, MW-5 and MW-6 MW-6 401.18 GRADIENT: distance DETERMINED FROM 3 POINT PROBLEM BY PROJECTION iq = MW-1R - MW-9 = 446.76 - 407.68 0.0231 distance 1693 Use Elevation of Groundwater at MW-4 to establish elevation between MW-1R and MW-9 MW-1R - MW-4 - 446.76 - 437.71 392.06 gradient (MW-lR and MW-9) 0.02 Draw line from MW-4 to point located 428.51 feet from MW-1R to MW-9. Measure new distance between MW-1R and MW-9 perpendicular to line plotted for the contour. Recalculate Gradient iq = MW-1R - MW-9 = 446.76 - 407.68 0.0241 New Distance 1622 True Hydraulic Gradient iq = MW-8 - MW-5 = 435.4 - 388.22 = 0.0272 distance 1735 <------- Deternimed in CAD based on surveyed coodinates) Use Elevation of Groundwater at MW-6 to establish elevation between MW-8 and MW-5 MW-8 - MW-6 - 435.4 - 401.18 = 1258.41 gradient (MW-8 and MW-5) 0.0272 Draw line from MW-6 to point located 1255.40 feet from MW-8 to MW-5. Measure new distance between MW-8 and MW-5 perpendicular to line plotted for the contour. Recalculate Gradient iq = MW-8 - MW-5 = 435.4 - 388.22 = 0.0274 New Distance 1720 True Hydraulic Gradient = 0.0274 Average True Hydraulic Gradient = 0.0137 T:1Raleigh-1050Trojects12007107-251 Sorrell LandflllReportsT022 October GW Sampling0eliverabletAppendix 11 - Tables0raft Sorrell Landfill October 2022 Tables.xlsx