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Home My WebLink About8103_Rutherford_Central_MSWLF_CDLF_June20GW_FID1516786_20201204Data - Email CD (data loaded: Yes / No ) Doc/Event #: NC DENR I IEnvironmental 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 13B .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. Name of entity submitting data (laboratory, consultant, facility SCARLETT GEOPHYSICAL CONSULTING, P.C. Contact for questions about data formatting. Include data preparer's name, telephone number and E-mail address: Name: E. W. SCARLETT, JR. Phone: 919-452-1236 E-mail: wscarlettta7.scarlettgeoohysics.com NC Landfill Rule: Actual sampling dates (e.g., Facility name: Facility Address: Facility Permit # (.0500 or .1600) October 20-24, 2006) RUTHERFORD COUNTY 656 LAUREL HILL DRIVE 81-03 .1600 JUNE 2-11, 2020 CENTRAL LANDFILL RUTHERFORDTON, NC Environmental Status: (Check all that apply) Initial/Background Monitoring OX Detection Monitoring QX Assessment Monitoring X❑ Corrective Action of data submitted: (Check all that apply) Groundwater monitoring data from monitoring wells ❑ Groundwater monitoring data from private water supply wells ❑X Leachate monitoring data ❑ Surface water monitoring data X Methane gas monitoring data Corrective action data (specify) MNA Other(specify) C&D Notification attached? No. No groundwater or surface water standards were exceeded. 8 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. E. W. SCARLETT, JR. PG 919-452-1236 Facili R pr 7tative Nam (Pri t) Title (Area Code) Telephone Number AUGUST 31, 2020 Affix NC Lic erj*WP"?C16 ; I Geologist Seal ros�'�,� Signature v v Date 500 HEPOWIL TRACE, HILLSBOROUGH, NC 27278 Facility Representative Address SE At � • w : 68! S!+ ,.` .4 NC PE Firm License Number (if applicable effective May 1, 2009) RUTHERFORD COUNTY CENTRAL SANITARY LANDFILL APPENDIX I DETECTION MONITORING APPENDIX II ASSESSMENT MONITORING APPENDIX II TRIGGERED CONSTITUENTS MNA PARAMETERS C&D PARAMETERS JUNE 2020 SAMPLING I hereby certify this 31 st day of August, 2020, that this report was prepared by me or under my direct supervision. Principal Geologi E. W. Scarlett, Jr RUTHERFORD COUNTY CENTRAL SANITARY LANDFILL APPENDIX I DETECTION MONITORING APPENDIX II ASSESSMENT MONITORING APPENDIX II TRIGGERED CONSTITUENTS MNA PARAMETERS C&D PARAMETERS JUNE 2020 SAMPLING PREPARED FOR RUTHERFORD COUNTY SGC PROJECT NUMBERS 0001.001 AND 0001.006 AUGUST 31, 2020 SCARLETT GEOPHYSICAL 500 Hepowil Trace Hillsborough, NC CONSULTING, P.C. 919-477-9519 www.scarlettgeophysics.com RUTHERFORD COUNTY CENTRAL SANITARY LANDFILL APPENDIX I DETECTION MONITORING APPENDIX II ASSESSMENT MONITORING APPENDIX II TRIGGERED CONSTITUENTS MNA PARAMETERS C&D PARAMETERS JUNE 2020 SAMPLING I hereby certify this 31 st day of August, 2020, that this report was prepared by me or under my direct supervision. Principal Geologist/Geophysicist E. W. Scarlett, Jr., P.G. TABLE OF CONTENTS 1.0 EXECUTIVE SUMMARY 2.0 INTRODUCTION 3.0 SCOPE OF WORK 4.0 METHODS EMPLOYED 4.1 Monitoring Well Sampling 4.2 Stream Sampling 4.3 MNA Sampling 5.0 RESULTS 5.1 Groundwater 5.1.1 Analytical Results 5.1.2 Hydraulic Conductivity 5.1.3 Groundwater Flow Direction and Rate 5.2 Surface Water 5.3 Monitored Natural Attenuation 5.4 C & D Monitoring 5.5 Notifications 5.6 Quality Assurance 1 El 0 8 8 9 12 12 13 14 15 15 16 6.0 REFERENCES 18 TABLES Table 1 Summary of Monitoring Well Data, Central Sanitary Landfill Table 2 Ground and Surface Water Sampling Field Data, Central Sanitary Landfill, June 2- 11, 2020 Table 3 Groundwater Sampling Results, Appendix I Inorganic Constituents by SW-846 Method 6010, Central Sanitary Landfill, June 2-11, 2020 Table 4 Groundwater Sampling Results, Appendix I Volatile Organic Constituents by SW- 846 Method 8260, Central Sanitary Landfill, June 2-11, 2020 Table 5 Groundwater Sampling Results, Appendix II Triggered Constituents, Central Sanitary Landfill, June 2-11, 2020 Table 6 Groundwater Sampling Results, Appendix II Inorganic Constituents, Central Sanitary Landfill, June 2-11, 2020 Table 7 Groundwater Sampling Results, Appendix II Volatile Organic Constituents by SW- 846 Method 8260, Central Sanitary Landfill, June 2-11, 2020 Table 8 Groundwater Sampling Results, Appendix II Semi -Volatile Organic Constituents by SW-846 Method 8270, Central Sanitary Landfill, June 2-11, 2020 Table 9 Groundwater Sampling Results, Appendix II Organophosphorus Pesticides by SW- 846 Method 8270, Appendix 11 Herbicides by SW-846 Methods 8151 and 8270, Central Sanitary Landfill, June 2-11, 2020 Table 10 Groundwater Sampling Results, Appendix II Pesticides/PCBs by SW-846 Method 8081/8082, Central Sanitary Landfill, June 2-11, 2020 Table 11 Groundwater Sampling Results, Monitored Natural Attenuation Parameters, Central Sanitary Landfill, June 2-11, 2020 Table 12 Groundwater Sampling Results, C&D Parameters, Central Sanitary Landfill, June 2-11, 2020 Table 13 Summary of Sampling Events, Central Sanitary Landfill Table 14 Groundwater Flow Rates, Central Sanitary Landfill, June 2-11, 2020 Table 15 Surface Water Sampling Results, Appendix I Inorganic Constituents by SW-846 Method 6010, Central Sanitary Landfill, June 2-11, 2020 Table 16 Surface Water Sampling Results, Appendix I Volatile Organic Constituents by SW- 846 Method 8260, Central Sanitary Landfill, June 2-11, 2020 Table 17 Notification Table, Constituents Detected At or Above Groundwater Standards, Central Sanitary Landfill, June 2-11, 2020 Table 18 Notification Table, Constituents Detected At or Above Surface Water Standards, Central Sanitary Landfill, June 2-11, 2020 FIGURES Figure 1 Site Location Map Figure 2 Groundwater Contour Map, June 2-11, 2020 APPENDICES Appendix A Ground and Surface Water Sampling Field Data Sheets Appendix B Laboratory Reports RUTHERFORD COUNTY CENTRAL SANITARY LANDFILL APPENDIX I DETECTION MONITORING APPENDIX II ASSESSMENT MONITORING APPENDIX II TRIGGERED CONSTITUENTS MNA PARAMETERS C & D PARAMETERS JUNE 2020 SAMPLING 1.0 EXECUTIVE SUMMARY Sixteen monitoring wells and four stream locations at the Rutherford County Central Sanitary Landfill were sampled June 2-11, 2020. Six of the wells (8103-MW-2, 8103-MW-4, 8103-MW-6, 8103-MW-7, 8103-MW-8, and 8103-MW-9) comprise the Subtitle D groundwater monitoring system for the municipal solid waste disposal area of the landfill. Six monitoring wells comprising two well nests (8103-MW-10A, 8103-MW-1013, 8103-MW-10C, 8103-MW-10D, 8103-MW-11A, and 8103-MW-11B) were installed in August 1998 to provide additional data on the nature and extent of the contaminant plume emanating from the disposal area. 8103-MW-10A has an extremely slow recharge rate and is not used as a sampling location. Five monitoring wells (8103- MW-3, 8103-MW-12, 8103-MW-13, 8103-MW-14, and 8103-MW-15) comprise the groundwater monitoring system for the construction and demolition (C&D) and yard waste disposal areas and the transfer station facility. 8103-MW-2 provides the upgradient groundwater data for the closed MSW and C&D sections of the facility. All sampling was conducted in accordance with North Carolina Solid Waste Management Guidelines. 8103-MW-16 was installed in May of 2019 to provide additional data west of the assumed groundwater divide formed by an unnamed tributary to Cleghorn Creek (Figure 2). An attempt was made to sample this well on October 7, 2019, but the well had less than one liter of recharge over 24 hours and the sample obtained was judged to be too muddy for reliable analysis by the laboratory. The well was reassessed during the Spring 2020 sampling event was determined to have insufficient recharge to provide a valid groundwater sample. A replacement well location will be proposed to the Solid Waste Section and installed upon approval. Rutherford County Central Sanitary Landfill August 31, 2020 Rutherford County, NC Page 1 Samples from 8103-MW-2, 8103-MW-3, 8103-MW-4, 8103-MW-6, 8103-MW-7, 8103-MW-8, 8103-MW-9, 8103-MW-10B, 8103-MW-10C, 8103-MW-10D, 8103-MW-11A, 8103-MW-11B, 8103-MW-12, 8103-MW-13, 8103-MW-14, and 8103-MW-15 were submitted to a North Carolina certified laboratory for analysis using the Federal Appendix I list of constituents for detection monitoring. The Appendix I detection monitoring constituent list is a subset of the Federal Appendix II assessment monitoring constituent list. Samples from 8103-MW-4, 8103-MW-6, 8103-MW-7, 8103-MW-8, and 8103-MW-9 were analyzed for the Appendix II assessment monitoring constituents. Samples from 8103-MW-IOB, 8103-MW-10C, 8103-MW-IOD, 8103- MW-11A, and 8103-MW-11B were also analyzed for triggered Federal Appendix II assessment monitoring constituents. In this report, the term "triggered Appendix II constituent" refers to any Appendix II constituent not included in the Appendix I list that was detected above the quantitation limit established by the Solid Waste Section during previous sampling events. Samples from surface water sampling locations 8103-SW-2, 8103-SW-3, 8103-SW-4, and 8103-SW-5A were analyzed for Federal Appendix I detection monitoring constituents. In addition to Appendix I, Appendix II, and triggered Appendix II parameters, samples from 8103- MW-2, 8103-MW-4, 8103-MW-6, 8103-MW-9, 8103-MW-10D, and 8103-MW-11A were analyzed for the MNA parameters set forth in the NC Solid Waste Section CAP approval letter dated August 17, 2007. The results of the laboratory analyses and field tests for the MNA parameters are discussed in Section 5.3. Beginning with the Spring 2019 event, samples from 8103-MW-2, 8103-MW-3, 8103-MW-12, 8103-MW-13, 8103-MW-14, and 8103-MW-15 were analyzed for Appendix I, Appendix II, and the C&D parameters set forth in the NC Solid Waste Section approved monitoring plan. Surface water samples 8103-SW-2, 8103-SW-3, and 8103-SW-4 were also analyzed for Appendix I and the C&D parameters. The results of the laboratory analyses for the C&D parameters are discussed in Section 5.4. Beginning with the Fall 2018 sampling event, all monitoring well and surface water samples were analyzed for 1,4-dioxane. 1,4-Dioxane is listed and discussed with the Appendix I constituents. Rutherford County Central Sanitary Landfill August 31, 2020 Rutherford County, NC Page 2 Results from the sixteen monitoring wells sampled indicate that four Appendix I inorganic constituents (chromium in 8103-MW-7, 8103-MW-10C, 8103-MW-11B, and 8103-MW-15; cobalt in 8103-MW-3, 8103-MW-4, 8103-MW-6, 8103-MW-7, 8103-MW-10B, 8103-MW-10C, 8103- MW-I01), 8103-MW-11A, 8103-MW-11B, 8103-MW-12, 8103-MW-13, and 8103-MW-15; thallium in 8103-MW-6, 8103-MW-11A, and 8103-MW-12; and vanadium in 8103-MW-2, 8103- MW-3, 8103-MW-4, 8103-MW-6, 8103-MW-7, 8103-MW-8, 8103-MW-9, 8103-MW-10B, 8103- MW-IOC, 8103-MW-I IA, 8103-MW-IIB, 8103-MW-12, 8103-MW-13, 8103-MW-14, and 8103- MW-15) were present in concentrations exceeding the 15A NCAC 2L Standards for Class GA Groundwater (2L) or NC Groundwater Protection (NCGP) Standards. Concentrations of five Appendix I volatile organic constituents (1,2-dichloropropane in 8103-MW- 9; 1,4-dichlorobenzene in 8103-MW-6; benzene in 8103-MW-6 and 8103-MW-IOD; tetrachloroethene in 8103-MW-IOD; and vinyl chloride in 8103-MW-6, 8103-MW-IOD, and 8103- MW-1113) exceeded the 2L or NCGP Standards on the date the samples were collected. No Appendix II triggered constituents exceeded the 2L or NCGP Standards on the dates the samples were collected. One Appendix II triggered constituent (1,3-dichlorobenzene) was detected several monitoring well samples at concentrations at or above the MDLs, but below the 2L Standards. One Appendix II constituent (1,3-dichloropropane) which has no established standard was detected in one sample above the MDL. One Appendix 11 constituent (naphthalene in 8103-MW-13) exceeded the 2L Standard on the date that samples were collected. In addition to the Appendix I and triggered Appendix II constituents noted above, three Appendix II constituents (3&4-Methylphenol and acenaphthene in 8103-MW-6 and isophoron in 8103-MW-4) were detected at concentrations above the MDLs but below the 2L/NCGP Standards. 1,4-Dioxane was detected in 8103-MW-3, 8103-MW-6, and 8103-MW-IIB at concentrations that exceeded the 2L Standard. Rutherford County Central Sanitary Landfill August 31, 2020 Rutherford County, NC Page 3 Surface water samples were collected from creeks along the northern, western, and southern perimeters of the landfill property. No Appendix I inorganic constituents were detected in concentrations that exceeded the 2B Standards or Recommended Action Levels. No volatile organic constituents were detected in any of the surface water samples. 2.0 INTRODUCTION Central Sanitary Landfill is a Solid Waste Management Facility (SWMF) located off of Business Highway 74 at the south end of Laurel Hill Drive south of Rutherfordton in Rutherford County, North Carolina. Figure 1 is a map showing the site location. Groundwater and surface water sampling locations are shown on Figure 2. Scarlett Geophysical Consulting, P.C. (SGC) was contracted by Rutherford County to conduct sampling efforts to satisfy the following groundwater monitoring requirements: • 2020 semi-annual C&D water quality monitoring • 2020 semi-annual Appendix I detection monitoring • 2020 annual Appendix 11 assessment monitoring • 2020 semi-annual Appendix I detection and Appendix II (triggered constituents only) assessment monitoring for five supplemental wells installed in 1998 • 2020 semi-annual MNA monitoring To complete the semi-annual C&D water quality monitoring requirement, samples from 8103-MW- 2, 8103-MW-3, 8103-MW-12, 8103-MW-13, 8103-MW-14, 8103-MW-15 were analyzed for the full Appendix II set of constituents and the C&D parameters set forth in the NC Solid Waste approved monitoring plan. Surface water samples 8103-SW-2, 8103-SW-3, 8103-SW-4, and 8103- SW-5a were analyzed for the Appendix I constituent list and the C&D parameters set forth in the NC Solid Waste approved monitoring plan. Rutherford County Central Sanitary Landfill August 31, 2020 Rutherford County, NC Page 4 To complete the semi-annual Appendix I and annual Appendix II monitoring requirements, samples from 8103-MW-2 and the four surface water sampling locations were analyzed for Appendix I inorganics and volatile organics and samples from 8103-MW-4, 8103-MW-6, 8103- MW-7, 8103-MW-8, and 8103-MW-9 were analyzed for the full list of Appendix II constituents. To complete the semi-annual Appendix I and triggered Appendix II monitoring requirements for the five assessment wells installed in August 1998, samples from 8103-MW-IOB, 8103-MW-IOC, 8103-MW-IOD, 8103-MW-I IA, and 8103-MW-I I were analyzed for the full list of Appendix I constituents and triggered Appendix II constituents 1,3-dichlorobenzene; 1,3-dichloropropane; dichlorodifluoromethane; 4,4'-DDD; 4,4'-DDT; alpha-BHC; beta-BHC; delta-BHC; endrin; gamma-BHC (Lindane); and mercury. Monitoring wells 8103-MW-6, 8103-MW-7, 8103-MW-8, and 8103-MW-9 were installed in November 1994 and March 1995 after three of the Appendix I baseline sampling rounds had been completed. The March 1995 sampling event was the first in which they were included. Monitoring wells 8103-MW-10A, 8103-MW-10B, 8103-MW-10C, 8103-MW-10D, 8103-MW- 11A, and 8103-MW-11B were installed in August -September 1998 and were first included in the September 1998 sampling event. 8103-MW-10A was installed to provide deep groundwater samples, and 8103-MW-10D was installed to provide water level data. 8103-MW-10A has a very low recharge rate (less than 0.03 gallons over 24 hours); therefore, 8103-MW-10D has been designated the deep sample well. Monitoring wells 8103-MW-12 and 8103-MW-13 were installed in June 2002 and May 2001 to monitor the C&D waste disposal area of the landfill. 8103-MW-12 and 8103-MW-13 were first sampled in June 2002. Monitoring wells 8103-MW-14 and 8103-MW- 15 were installed in February 2008 to supplement the C&D area monitoring and were first sampled in May 2008. 8103-MW-16 was installed in May of 2019 to provide additional data west of the assumed groundwater divide formed by an unnamed tributary to Cleghorn Creek (Figure 2). Sampling was attempted at this location October 7, 2019, but the well had less than one liter of recharge over 24 hours and the sample obtained was judged to be too muddy for reliable analysis by the laboratory. Rutherford County Central Sanitary Landfill August 31, 2020 Rutherford County, NC Page 5 A second unsuccessful attempt was made to sample the well on June 11, 2020. A new location for the well will be proposed and it will be scheduled for replacement. To complete the semi-annual MNA water quality monitoring requirement, samples from 8103- MW-2, 8103-MW-4, 8103-MW-6, 8103-MW-8, 8103-MW-9, 8103-MW-10D, and 8103-MW-11A were analyzed for the MNA parameters set forth in the NC Solid Waste Section CAP. 3.0 SCOPE OF WORK To fulfill the groundwater monitoring requirements, SGC completed the following tasks: 0 Sampled sixteen monitoring wells and four surface water locations at the Central Sanitary Landfill SWMF • Obtained field values for pH, temperature, and conductivity at each sample location • Obtained field values for ORP, DO, and turbidity at the MNA sample locations • Analyzed the appropriate samples for Appendix I, Appendix II, and triggered Appendix II constituents by a North Carolina certified laboratory using State approved methods • Analyzed the appropriate samples for MNA parameters • Analyzed the appropriate samples for C&D parameters • Determined groundwater flow rates and directions at the monitoring well locations • Prepared a report for the State 4.0 METHODS EMPLOYED 4.1 Monitoring Well Sampling Groundwater monitoring well sampling took place on June 2-11, 2020. The monitoring well locations are shown on Figure 2. A representative from SGC opened each well and measured the static water level from the top of the PVC casing. The volume of water in the well was calculated. These data are summarized in Table 1. The wells were purged until a minimum of three well volumes was removed, the well was purged dry, or the indicator field parameters were stabilized Rutherford County Central Sanitary Landfill August 31, 2020 Rutherford County, NC Page 6 (for the wells purged using pneumatic pumps). Following purging, groundwater samples were collected and pH, temperature, and conductivity were measured and recorded on the groundwater sampling field data sheets. Field measurements for oxidation-reduction potential (ORP), dissolved oxygen (DO), and turbidity were obtained from the designated MNA wells. A groundwater sampling field data sheet for each well is included in Appendix A. Table 2 summarizes the results of the field data. Samples from 8103-MW-3, 8103-MW-4, 8103-MW-lOD, and 8103-MW-11A were collected using the dedicated pumps installed in each well. Samples from 8103-MW-2, 8103-MW-6, 8103-MW-8, and 8103-MW-9 were collected using a properly decontaminated pneumatic pump and dedicated tubing. Samples from 8103-MW-7, 8103-MW-IOB, 8103-MW-IOC, 8103-MW-1113, 8103-MW- 12, 8103-MW-13, 8103-MW-14, and 8103-MW-15 were collected using properly decontaminated teflon bailers. Immediately upon collection, each sample was placed in laboratory supplied sample containers, packed on ice, and placed under chain -of -custody. The sampling technician wore new latex gloves and used separate bailers at each of the bailed wells to minimize the possibility of cross contamination. Additionally, new bailer cord was used for each purging/sampling event where a pneumatic pump was not available. The surface water samples were collected by immersing laboratory supplied containers in the water to be sampled. After collection, each sample was packed on ice and placed under chain -of -custody. All samples were submitted to Research & Analytical Laboratories, Inc. (R&A), a North Carolina certified laboratory, for analysis. 4.2 Stream Sampling Surface water sampling took place on June 2, 2020. Sample 8103-SW-2 was collected from a tributary of Cleghorn Creek immediately upstream from the confluence. This stream flows to the southwest along the northwest boundary and south along the west boundary of the landfill property. Sample 8103-SW-3 was collected from Stonecutter Creek, a stream that flows to the southwest along the southeastern toe of the landfill. Sample 8103-SW-4 was collected from the same stream as 8103-SW-2 approximately 2,500 feet upstream near the northern boundary of the landfill property. The original 8103-SW-5 sampling location is an intermittent stream Rutherford County Central Sanitary Landfill August 31, 2020 Rutherford County, NC Page 7 downgradient from the C&D landfill. This feature drains into the Cleghorn Creek tributary upstream from the 8103-SW-2 sampling location. This location is usually dry and rarely available for sampling; therefore, the sampling location has been moved to the Cleghorn Creek tributary 50 feet upstream from the intersection with the drainage feature. Comparison of the data collected at the new location with the 8103-SW-2 data should reveal whether or not conditions upgradient from the drainage feature are impacting surface water quality. The new location is designated 8103-SW- 5A and is shown on Figure 2. Immediately upon collection, pH, temperature, and conductivity were measured and recorded on the surface water sampling field data sheets. A surface water sampling field data sheet for each location is included in Appendix A and the field data are summarized in Table 2. All stream samples were analyzed for the same Appendix I and C&D parameters as the groundwater samples. The stream sample locations are shown on Figure 2. 4.3 MNA Sampling The October 2007 event was the first to include a comprehensive set of baseline MNA parameters. Subsequent MNA sampling has occurred on a semi-annual basis to evaluate the effectiveness of MNA as a groundwater protection strategy. The MNA performance wells are 8103-MW-2, 8103-MW-4, 8103-MW-6, 8103-MW-8, 8103-MW-9, 8103-MW-IOD, and 8103- MW-11A. A Corrective Action Evaluation Report (CAER) discussing the first thirteen MNA sampling events was submitted on April 1, 2014. 8103-MW-4, 8103-MW-IOD, and 8103-MW-IIA have dedicated bladder pumps and were purged and sampled in general accordance with the EPA guidelines for low -flow groundwater sampling. Low -flow sampling was accomplished in 8103-MW-2, 8103-MW-6, 8103-MW-8, and 8103-MW-9 using a properly decontaminated portable pneumatic pump and dedicated tubing. 5.0 RESULTS 5.1 Groundwater Rutherford County Central Sanitary Landfill August 31, 2020 Rutherford County, NC Page 8 5.1.1 Analytical Results The results of the laboratory analyses for Appendix I constituents in the groundwater monitoring wells are summarized in Tables 3 and 4. Table 5 summarizes the results of the laboratory analyses for triggered Appendix II constituents. Tables 6 through 10 summarize the results of the laboratory analyses for all Appendix 11 constituents in 8103-MW-2, 8103-MW-3, 8103-MW-4, 8103-MW-6, 8103-MW-7, 8103-MW-8, and 8103-MW-9, 8103-MW-12, 8103-MW-13, 8103-MW- 14, and 8103-MW-15, including the subset of Appendix I inorganics and volatile organics presented in Tables 3 and 4 and triggered Appendix II constituents presented in Table 5. Table 11 summarizes the results of the laboratory analyses for MNA parameters 8103-MW-2, 8103-MW-4, 8103-MW-6, 8103-MW-8, 8103-MW-9, 8103-MW-IOD, and 8103-MW-11A. Table 12 summarizes the results for the additional C&D parameters required by the current C&D monitoring plan. Complete laboratory reports for all Appendix 1, Appendix 11, MNA, and C&D analytical testing are included in Appendix B. The groundwater sample analyses revealed that ten Appendix I constituents had concentrations above 2L or NCGP Standards in one or more of the wells. A summary of these analytical results is provided below. • Chromium was detected in 8103-MW-7 at 19.8 ppb, 8103-MW-10C at 11.4 ppb, 8103- MW-11B at 22.5 ppb, and 8103-MW-15 at 16.4 ppb. The 2L Standard is 10.0 ppb. • Cobalt was detected in 8103-MW-3 at 1.18 ppb, 8103-MW-4 at 1.31 ppb, 8103-MW-6 at 24.7 ppb, 8103-MW-7 at 6.03 ppb, 8103-MW-10B at 3.05 ppb, 8103-MW-IOC at 12.1 ppb, 8103-MW-IOD at 22.1 ppb, 8103-MW-11A at 13.7 ppb, 8103-MW-11B at 10.3 ppb, 8103- MW-12 at 5.23 ppb, 8103-MW-13 at 7.9 ppb, and 8103-MW-15 at 9.02 ppb. The NCGP Standard is 1.0 ppb. • Thallium was detected in 8103-MW-6 at 9.51 ppb, 8103-MW-11A at 6.72 ppb, and 8103- MW-12 at 5.04 ppb. The NCGP Standard is 0.28 ppb. • Vanadium was detected in 8103-MW-2 at 0.74 ppb, 8103-MW-3 at 1.30 ppb, 8103-MW-4 at 7.10 ppb, 8103-MW-6 at 1.08 ppb, 8103-MW-7 at 26.5 ppb, 8103-MW-8 at 1.66 ppb, Rutherford County Central Sanitary Landfill August 31, 2020 Rutherford County, NC Page 9 8103-MW-9 at 0.58 ppb, 8103-MW-10B at 11.20 ppb, 8103-MW-10C at 24.5 ppb, 8103- MW-11A at 0.87 ppb, 8103-MW-11B at 47.10 ppb, 8103-MW-12 at 2.15 ppb, 8103-MW- 13 at 4.20 ppb, 8103-MW-14 at 2.66 ppb, and 8103-MW-15 at 33.0 ppb. The NCGP Standard is 0.3 ppb. • 1,2-Dichloropropane was detected in 8103-MW-9 at 11.2 ppb. The 2L Standard is 0.6 ppb. • 1,4-Dichlorobenzene was detected in 8103-MW-6 at 6.3 ppb. The 2L Standard is 6.0 ppb. • 1,4-Dioxane was detected in 8103-MW-3 at 68.5 ppb, 8103-MW-6 at 50.6 ppb, and 8103- MW-11B at 4.1 ppb. The 2L Standard is 3.0 ppb. • Benzene was detected in 8103-MW-6 at 1.9 ppb and 8103-MW-IOD at 1.2 ppb. The 2L Standard is 1.0 ppb. • Tetrachloroethene was detected in 8103-MW-IOD at 0.9 ppb. The 2L Standard is 0.7 ppb. • Vinyl Chloride was detected in 8103-MW-6 at 07 ppb, 8103-MW-10D at 0.4 ppb, and 8103-MW-11B at 0.3 ppb. The following Appendix I constituents were detected in one or more of the wells in concentrations above the MDLs and below established 2L or NCGP Standards. Barium Beryllium Cadmium Chromium Copper Lead Nickel Silver Zinc • 1, 1 -Dichloroethane • 1, 1 -Dichloroethene • 1,2-Dichlorobenzene • 1,4-Dichlorobenzene Rutherford County Central Sanitary Landfill August 31, 2020 Rutherford County, NC Page 10 • Acetone • Benzene • Chlorobenzene • Chloroethane • Chloroform • Cis-1,2-Dichloroethene • Tetrachloroethene • Total Xylenes • Trichloroethene The groundwater sample analyses did not reveal any Appendix II triggered constituent concentrations above the 2L or NCGP Standards. The following Appendix II triggered constituents were detected in one or more of the wells in concentrations above the MDLs and below established 2L Standards. • 1,3-Dichlorobenzene • 1,3-Dichloropropane (no established standard) The following Appendix II semi -volatile constituents were detected at concentrations above the MDL and below established 2L Standard in the Appendix II monitoring wells. They will be monitored closely but will not be added to the triggered Appendix II list at this time. • 3&4-Methylphenol was detected in 8103-MW-6 • Acenaphthene was detected in 8103-MW-6 • Isophoron was detected in 8103-MW-4 The following Appendix II semi -volatile constituent was detected above the established 2L Standard in a C&D well. Rutherford County Central Sanitary Landfill August 31, 2020 Rutherford County, NC Page I I • Naphthalene was detected in 8103-MW-13 at 10.2 ppb. The 2L Standard is 6.0 ppb. The results of the laboratory analyses for MNA parameters are presented in Table 11 and discussed in Section 5.3. The results of the laboratory analyses for C&D parameters (including the Appendix II constituents added for this sampling event) are presented in Tables 6, 7, 8, 9, 10, and 12 and discussed in Section 5.4. Table 13 summarizes the sampling history for the wells in the groundwater monitoring plan and includes the C&D and MNA wells. 5.1.2 Hydraulic Conductivity In -situ hydraulic conductivity tests were performed on wells 8103-MW-2, 8103-MW-4, 8103-MW- 6, 8103-MW-7, 8103-MW-8 and 8103-MW-9 on March 20, 1995. These tests resulted in hydraulic conductivity values ranging from 2.9 x 10-6 to 1.6 x 10-4 cm/sec (average 3.7 x 10-5 cm/sec). These data are included in Table 14 and were used to calculate groundwater flow velocities across the site. A complete discussion of the test methods and calculations is presented in BPA Environmental & Engineering's July 7, 1995, report "Monitoring Well System Upgrade, Central Sanitary Landfill, Rutherford County, North Carolina." 5.1.3 Groundwater Flow Direction and Rate The static levels in the monitoring wells were measured June 2-11, 2020. The water table elevations ranged from 809.97 to 963.16 feet MSL on these dates. Groundwater and well casing elevation data are included in Table 1. A groundwater contour map was constructed and is presented as Figure 2. Based on field data, groundwater appears to be flowing in a radial pattern from the fill area towards the east, south, and west. Groundwater flow lines were drawn through each well as shown on Figure 2. The groundwater gradient at each well was calculated assuming a Rutherford County Central Sanitary Landfill August 31, 2020 Rutherford County, NC Page 12 constant groundwater gradient along the flow line between adjacent groundwater elevation contours, between two monitoring wells along the same flow path, or between a well and the nearest stream. Based on a variation of Darcy's Law, the rate of groundwater movement within the regolith aquifer was calculated at each monitoring well using the following equation: V=Ki n where V = velocity (ft/day) K = hydraulic conductivity (ft/day) i = groundwater gradient (ft/ft) n = porosity (dimensionless) Calculated hydraulic conductivity and gradient values and estimated effective porosity values for each well were used in the velocity calculations. The 20 percent effective porosity value is based on porosity and specific yield versus grain size distribution relationships presented in Fetter (1988) and is typical for the type of soil (sandy silt with some clays) comprising the regolith at the landfill. The calculated groundwater velocities ranged from 0.99 to 37.08 ft/yr (average 11.22 ft/yr) and are included in Table 14. 5.2 Surface Water No Appendix I volatile organic constituents were detected above the MDLs in any of the surface water samples. No Appendix I inorganic constituents were detected in concentrations at or above the 2B Standards or Recommended Action Levels. Rutherford County Central Sanitary Landfill August 31, 2020 Rutherford County, NC Page 13 Appendix I inorganic constituents with established standards (listed below) were detected in one or more of the surface water samples at concentrations above the MDL and below the 2B Standards or Action Levels. • Chromium The following Appendix I inorganic constituents were detected in one or more of the surface water samples in concentrations above the MDL. No 2B Standards have been established for these constituents. • Barium • Vanadium The results of the laboratory analyses for C&D surface water parameters are presented in Table 12 and discussed in Section 5.4. The results of the laboratory analyses for Appendix I constituents in the surface water samples are summarized in Tables 15 and 16, and the complete laboratory reports are included in Appendix B. 5.3 Monitored Natural Attenuation The designated MNA performance wells are 8103-MW-2, 8103-MW-4, 8103-MW-6, 8103- MW-8, 8103-MW-9, 8103-MW-lOD, and 8103-MW-11A. MNA parameters have been included in the semi-annual sampling schedule since October 2007. These analytical results provide a sufficient set of baseline data for constructive evaluation of MNA processes. The results are encouraging. The presence and ratios of reductive dehalogenation chlorinated ethenes and other MNA parameter concentrations in the wells that are in the primary plume migration routes (8103-MW-4, 8103-MW-6, and 8103-MW-I IA to the west and 8103-MW-IOD to the east) are consistent with the impacts expected from biodegradation processes at work in a mixed Rutherford County Central Sanitary Landfill August 31, 2020 Rutherford County, NC Page 14 contaminant plume. A Corrective Action Evaluation Report (CAER) discussing the first thirteen MNA sampling events was submitted on April 1, 2014. One MNA parameter (shown below) was detected at concentrations above the 2L Standard. The results of the MNA field parameter measurements are included in Table 2, and the complete results of the MNA laboratory parameter analyses are presented in Table 11. • Iron was detected in 8103-MW-4 at 2,080 ppb, 8103-MW-6 at 8,790 ppb, 8103-MW-10D at 706 ppb, and 8103-MW-11A at 4,290 ppb. The 2L Standard is 300.0 ppb. 5.4 C & D Monitoring The groundwater sample analyses revealed that five C&D parameters (listed below) exceeded established groundwater water protection standards. • Aluminum was detected in 8103-MW-15 at 17,700.0 ppb. The NCGP Standard is 3,500.0 ppb. • Iron was detected in 8103-MW-3 at 921.0 ppb, 8103-MW-12 at 8,010.0 ppb, 8103-MW-13 at 4,890.0 ppb, 8103-MW-14 at 695.0 ppb, and 8103-MW-15 at 13,300.0 ppb. The 2L Standard is 300.0 ppb. • Manganese was detected in 8103-MW-3 at 330.0 ppb, 8103-MW-12 at 4,440.0 ppb, 8103- MW-13 at 1,920.0 ppb, and 8103-MW-15 at 496.0 ppb. The 2L Standard is 50.0 ppb. • Naphthalene was detected in 8103-MW-13 at 10.2 ppb. The 2L Standard is 6.0 ppb. • TDS were detected in 8103-MW-3 at 692,000 ppb. The 2L Standard is 500,000 ppb. No C&D surface water constituents had concentrations that exceeded the 2B Standards for Class B,C Surface Waters. Notifications Rutherford County Central Sanitary Landfill August 31, 2020 Rutherford County, NC Page 15 All groundwater constituent concentrations that exceeded the 2L or NCGP standards are listed in Section 5.1.1, Section 5.3, and Section 5.4, and indicated by shaded cells and bold typeface in Tables 3 through 12. Surface water constituent concentrations that exceeded the 2B or NCGP Standards are listed in Sections 5.2 and 5.4 and indicated by shaded cells and bold typeface in Tables 12, 15, and 16. A summary of groundwater notifications is provided in Table 17 and surface water notifications in Table 18. Groundwater and surface water concentrations that exceeded the reporting limits but were below the 2L or NCGP standards are listed in Sections 5.1.1 and 5.2 and in Tables 3 through 12, 15, and 16. The volatile organic constituents present in the groundwater samples are likely due to past waste disposal activities; however, contributions by ongoing borrow, maintenance, and transfer station activities cannot be ruled out. Continued operation of the C&D facility adjacent to the old disposal area is also a potential contributor. There is no evidence indicating that volatile organic constituents resulting from waste disposal at Central Landfill currently exceed the 2L or NCGP Standards at locations beyond the facility boundary. The inorganic constituents present in the groundwater samples have been influenced by past waste disposal, but it is likely that local geology has an impact. The upgradient well, 8103-MW-2, shows no volatile organic impacts but over time has shown a number of inorganic concentrations similar to those in downgradient wells. Inorganic concentrations have shown significant fluctuations over time at several sampling locations monitoring the C&D disposal area. It is possible/likely that the fluctuations are significantly influenced by long duration precipitation patterns. 5.6 Quality Assurance A duplicate sample was collected from 8103-MW-13 and submitted for analysis as "Duplicate." This sample was analyzed for Appendix I volatile organic constituents. The duplicate Appendix I volatile organic results are consistent with the 8103-MW-13 results. The results of the duplicate sample analyses are included in Appendix B. Rutherford County Central Sanitary Landfill August 31, 2020 Rutherford County, NC Page 16 Trip blank samples accompanied the sample bottles from the time they left the laboratory until their return. The laboratory did not report the presence of any Appendix I constituents above the detection in the trip blank sample. Rutherford County Central Sanitary Landfill August 31, 2020 Rutherford County, NC Page 17 6.0 REFERENCES BPA Environmental & Engineering, Inc., Monitoring Well System Upgrade, Central Sanitary Landfill, Rutherford County, N.C., July 7, 1995. Fetter, C.W., 1988, Applied Hydrogeology, New York, New York; Macmillan Publishing Company, 1988, 592 pp. North Carolina Administrative Code, Title 15A, Department of Environment, Health and Natural Resources, Division of Environmental Management, Subchapter 2L, Classifications and Water Quality Standards Applicable to the Groundwaters of North Carolina, Sections .0100, .0200, and .0300 (Downloaded from NCSW Web Site, June 11, 2012); from the Environmental Management Commission, Raleigh, North Carolina. North Carolina Administrative Code, Title 15A, Department of Environment, Health and Natural Resources, Division of Environmental Management, Subchapter 213, Classifications and Water Quality Standards Applicable to the Surface Waters of North Carolina, Section .0200, May 1, 2007; from the Environmental Management Commission, Raleigh, North Carolina. Composite 15A NCAC Subchapter 2B and EPA National Criteria for Freshwater Aquatic Life, current as of February 5, 2010. North Carolina Administrative Code, Title 15A, Department of Environment, Health and Natural Resources, Division of Solid Waste Management, Subchapter 13B, Solid Waste Management, Section .1600 (August 27, 2001). North Carolina Administrative Code, Title 15A, Department of Environment, Health and Natural Resources, Division of Solid Waste Management, Subchapter 1313, Solid Waste Management, recently added/updated rules .1604, .1626, .1632, .1633, .1634, .1635, and .1637 (effective April/May 2011) Rutherford County Central Sanitary Landfill August 31, 2020 Rutherford County, NC Page 18 North Carolina Water Quality Monitoring Guidance Document for Solid Waste Facilities, Department of Environment, Health and Natural Resources, Division of Solid Waste Management, Solid Waste Section, (January 2000), Download from NCSW Web Site. North Carolina Solid Waste Section Memorandum Regarding New Guidelines for Electronic Submittal of Environmental Data, October 27, 2006. Addendum to October 27, 2006, North Carolina Solid Waste Section Memorandum Regarding New Guidelines for Electronic Submittal of Environmental Data, February 23, 2007. North Carolina Department of Environment and Natural Resources, Division of Solid Waste Management, Solid Waste Management, Solid Waste Environmental Monitoring Reporting Limits and Standards, updated June 13, 2011, downloaded from NCDENR June 11, 2015. Rutherford County Central Sanitary Landfill August 31, 2020 Rutherford County, NC Page 19 ;�'!f - +� f '-Nf I .ice � - I • y"q k f j 1+1 � • Ira ,�' "" � � � i.��/+ _ j 1t ,�� I _ _ - `, �� ,I r •. - _� _s `�� f oi• 1 ! _._.. + ..rk�.r,y. �-b-� i • 1 O#• S�: ��' _ Hosp�laj } i •� tiI °w� Task 0 � �5+,, "1� P ft 11 ti P 4 RUTHERFORD SOUTH QUADRANGLE NORTH CAROLINA USES 7.5 MINUTE TOPOGRAPHIC SERIES ion 0 2000 3ooa 1993 SCALE IN FEET CENTRAL SANITARY LANAFII.L RLi'I`HERFQRD CQ[iNT'Y, NbRTH CARbLINA BPA Envfronrisentai �7" En�g°incaring, Inc. 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I J , \ I .q� d. ; - , I I �: I TABLE 1 SUMMARY OF MONITORING WELL DATA CENTRAL SANITARY LANDFILL (# 81-03) RUTHERFORD COUNTY, NORTH CAROLINA Well No. Elevation (ft) Depth of Well (ft) Static Water Levels3 May 10-17, 2018 Oct 1-8, 2018 May 7-15, 2019 Jun 2-11, 2020 Land Surface Top of Casing' Top of Screen Bottom of Screen Depth (ft) Elevation (ft) Depth (ft) Elevation (ft) Depth (ft) Elevation (ft) Depth (ft) Elevation (ft) 8103-MW-2 995.43 995.51 945.43 935.43 60.0 46.89 948.62 46.20 949.31 32.05 963.46 32.35 963.16 8103-MW-3 859.62 860.28 822.62 812.62 47.0 32.09 828.19 33.23 827.05 30.17 830.11 30.43 829.85 8103-MW-4 849.72 851.03 809.72 799.72 50.0 31.91 819.12 34.82 816.21 28.49 822.54 29.46 821.57 8103-MW-6 833.43 834.90 810.93 795.93 37.5 31.36 803.54 31.12 803.78 26.57 808.33 26.93 807.97 8103-MW-7 890.51 892.70 851.51 836.51 54.0 34.93 857.77 35.88 856.82 33.20 859.50 31.10 861.60 8103-MW-8 857.86 860.31 828.36 813.36 44.5 39.89 820.42 42.56 817.75 35.98 824.33 34.76 825.55 8103-MW-9 864.97 867.25 842.47 827.47 37.5 34.02 833.23 34.64 832.61 29.04 838.21 28.27 838.98 8103-MW-10A 834.73 837.23 743.73 733.73 101.0 6.475 830.765 6.725 830.51' 5.745 831.49' 4.875 832.365 8103-MW-10B 834.50 836.15 802.50 797.50 37.0 9.11 827.04 9.51 826.64 7.86 828.29 7.40 828.75 8103-MW-10C 834.50 836.19 823.50 818.50 16.0 8.88 827.31 9.29 826.90 7.82 828.37 7.18 829.01 8103-MW-10D 834.73 837.23 778.73 768.73 66.0 9.96 827.27 9.44 827.79 8.34 828.89 7.69 829.54 8103-MW-11A 815.39 817.18 780.39 770.39 45.0 8.26 808.92 8.55 808.63 7.40 809.78 7.40 809.78 8103-MW-11 B 816.32 817.72 806.32 796.32 20.0 9.45 808.27 9.42 808.30 8.85 808.87 8.91 808.81 8103-MW-12 884.33 886.68 849.33 834.33 50.0 32.27 854.41 38.10 848.58 34.55 852.13 28.58 858.10 8103-MW-13 960.80 962.90 887.80 872.80 88.0 81.21 881.69 80.26 882.64 70.04 892.86 73.96 888.94 8103-MW-14 867.08 869.48 849.68 834.68 32.4 20.67 848.81 27.18 842.30 18.53 850.95 18.65 850.83 8103-MW-15 887.58 889.54 839.58 849.58 38.0 29.10 860.44 32.40 857.14 27.18 862.36 26.40 863.14 Notes: 1 Elevations for 8103-MW-2 through 8103-MW-11 B determined by survey: Burnt Chimney Surveying, Forest City, NC, December 1998, elevations for 8103-MW-12 and 8103-MW-13 provided by David Garrett P.G., P.E., Engineering and Geology, Raleigh, NC, 2002 and 1999, respectively 2 Depth to groundwater measured by Scarlett Geophysical Consulting, P.C. 3 Water levels taken from top of casing 4 Depth of well measured from land surface 5 Does not represent static water level. Well has very slow recharge rate (less than 0.03 gallons per day) RuthCent_0620 TABLE 2 GROUND AND SURFACE WATER SAMPLING FIELD DATA CENTRAL SANITARY LANDFILL (# 81-03) RUTHERFORD COUNTY, NORTH CAROLINA JUNE 2-11, 2020 Parameter Sample Location 8103-MW-2 8103-MW-3 8103-MW-4 8103-MW-6 8103-MW-7 8103-MW-8 8103-MW-9 8103-MW-10A 8103-MW-10B Temperature 16.86°C 16.9°C 14.66°C 17.44°C 15.9°C 16.41°C 15.27°C NS 16.4°C Conductivity 43.0 pmhos/cm 1002 pmhos/cm 215 pmhos/cm 702 pmhos/cm 996 pmhos/cm 129 pmhos/cm 17.0 pmhos/cm NS 162.9 pmhos/cm pH 8.41 6.41 6.11 6.46 6.61 5.78 5.50 NS 5.97 ORP 91 mV NA 126 mV -48 mV NA 196 mV 230 mV NS NA DO 0.00 mg/I NA 0.00 mg/I 0.00 mg/I NA 1.40 mg/I 0.00 mg/I NS NA Turbidity 0.0 NTU NA 72.8 NTU 0.0 NTU NA 11.7 NTU 0.0 NTU NS NA Parameter Sample Location 8103-MW-10C 8103-MW-10D 8103-MW-11A 8103-MW-11B 8103-MW-12 8103-MW-13 8103-MW-14 8103-MW-15 8103-SW-2 Temperature 16.2°C 15.07°C 14.53°C 15.7°C 16.4°C 17.7°C 17.0°C 15.5°C 15.7°C Conductivity 80.2 pmhos/cm 161 pmhos/cm 464 pmhos/cm 351 mhos/cm 729 pmhos/cm 223 pmhos/cm 220 pmhos/cm 158.7 pmhos/cm 121.3 pmhos/cm pH 6.44 5.84 6.06 5.95 6.65 5.96 5.93 6.62 7.44 ORP NA 95 mV 5 mV NA NA NA NA NA NA DO NA 0.00 mg/I 0.00 mg/I NA NA NA NA NA NA Turbidity NA 0.0 NTU 0.0 NTU NA NA NA NA NA NA Parameter Sample Location 8103-SW-3 8103-SW-4 8103-SW-5A Temperature 19.5°C 16.5°C 15.8°C Conductivity 69.8 pmhos/cm 47.4 pmhos/cm 69.0 pmhos/cm pH 7.46 7.40 6.73 ORP NA NA NA DO NA NA NA Turbidity NA NA NA NS - Not sampled NA - Not analyzed RuthCent_0620 TABLE 3 GROUNDWATER SAMPLING RESULTS APPENDIX I INORGANIC CONSTITUENTS BY SW-846 METHOD 6010 C CENTRAL SANITARY LANDFILL (# 81-03) RUTHERFORD COUNTY, NORTH CAROLINA JUNE 2-11, 2020 Parameter Well Number 15A NCAC 2L Standard for Class GA Groundwater NC Groundwater Protection Standard 8103-MW-2 8103-MW-3 8103-MW-4 8103-MW-6 8103-MW-7 8103-MW-8 8103-MW-9 8103-MW-10B ANTIMONY BQL BQL BQL BQL BQL BQL BQL BQL 1.0 ARSENIC BQL BQL BQL BQL BQL BQL BQL BQL 10.0 BARIUM 13.80 191.00 84.40 225.00 145.00 118.00 56.80 120.00 700.0 BERYLLIUM BQL BQL BQL BQL BQL BQL BQL BQL 4.0 CADMIUM BQL 0.47 0.46 0.36 0.20 BQL BQL 0.22 2.0 CHROMIUM 3.95 1.65 2.68 3.85 19:80` 3.17 2.71 7.11 10.0 COBALT BQL 1:18' '1.31 24.70 6.03 " BQL BQL 3.05 1.0 COPPER BQL 3.49 6.86 2.43 7.14 BQL BQL 8.80 1,000.0 LEAD BQL 2.60 8.00 BQL BQL BQL BQL 3.72 15.0 NICKEL BQL 1.65 0.97 7.88 8.23 BQL BQL 2.84 100.0 SELENIUM BQL BQL BQL BQL BQL BQL BQL BQL 20.0 SILVER BQL BQL BQL BQL BQL BQL BQL BQL 20.0 THALLIUM BQL BQL BQL 9.51 BQL BQL BQL BQL 0.28 VANADIUM 0.74 1-.X 7.10 1.08 26:50` 1.66 0.5S 11.20 ` 0.3 ZINC BQL BQL BQL BQL 16.20 BQL BQL 7.28 1,000.0 Parameter Well Number 15A NCAC 2L Standard for Class GAGroundwater NC Groundwater Protection Standard 8103-MW-10C 8103-MW-10D 8103-MW-11A 8103-MW-11B 8103-MW-12 8103-MW-13 8103-MW-14 8103-MW-15 ANTIMONY BQL BQL BQL BQL BQL BQL BQL BQL * 1.0 ARSENIC BQL BQL BQL BQL BQL BQL BQL BQL 10.0 BARIUM 246.00 188.00 194.00 307.00 143.00 180.00 81.50 251.00 700.0 BERYLLIUM BQL BQL BQL 1.19 BQL BQL BQL BQL 4.0 CADMIUM BQL 0.31 0.30 BQL 0.22 0.23 BQL 0.24 2.0 CHROMIUM 11.40 1.62 3.79 22.50 6.08 4.31 1.71 16.40 10.0 COBALT 12.10 22.10 13.70 ` 10.30 5.23 ` 7.90 BQL 9.02 " * 1.0 COPPER 8.32 2.53 2.68 12.80 7.44 5.38 1.71 20.70 1,000.0 LEAD 7.44 BQL 2.66 11.2 BQL 3.89 2.47 12.40 15.0 NICKEL 6.74 3.15 4.36 11.80 2.57 7.85 BQL 8.12 100.0 SELENIUM BQL BQL BQL BQL BQL BQL BQL BQL 20.0 SILVER BQL 2.65 BQL BQL BQL 1.31 BQL BQL 20.0 THALLIUM BQL BQL 6.72 BQL 5.04 BQL BQL BQL 0.28 VANADIUM 24.50 BQL 0.87 ' 47.10 2.15 " 4.20 2:66 33.00 0.3 ZINC 20.30 BQL BQL 37.50 2.50 5.87 BQL 37.50 1,000.0 Notes: • All results in parts per billion (ppb) • BQL - Below Method Detection Limit • NS - Not Sampled • * - Standard not established Shaded cells denote concentrations that equal or exceed 2L or Groundwater Protection Standards RuthCent_0620 TABLE 4 GROUNDWATER SAMPLING RESULTS APPENDIX I VOLATILE ORGANIC CONSTITUENTS BY SW-846 METHOD 8260 CENTRAL SANITARY LANDFILL (# 81-03) RUTHERFORD COUNTY, NORTH CAROLINA JUNE 2-11, 2020 Parameters Well Number 15A NCAC 2L Standard for Class NC Groundwater Protection 8103-MW-2 8103-MW-3 8103-MW4 8103-MW-6 8103-MW-7 8103-MW-8 8103-MW-9 8103-MW-10B 8103-MW-10C 8103-MW-10D 8103-MW-11A 8103-MW-11B 8103-MW-12 8103-MW-13 8103-MW-14 8103-MW-15 GA Groundwater Standard 1,1,1,2-TETRACHLOROETHANE BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 1.0 1,1,1-TRICHLOROETHANE SOL SOL SOL SOL SOL BQL BQL BQL BQL BQL BQL BQL BQL BQL SOL SOL 200.0 ' 1,1,2,2-TETRACHLOROETHANE BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 0.2 0.18 1,1,2-TRICHLOROETHANE SOL SOL SOL SOL SOL BQL BQL BQL BQL BQL BQL BQL BQL BQL SOL SOL ' 0.6 1,1-DICHLOROETHANE BQL BQL BQL BQL 1.0 BQL BQL 0.4 BQL 1.5 BQL BQL BQL BQL BQL BQL 6.0 ' 1,1-DICHLOROETHENE SOL SOL SOL SOL BQL BQL BQL BQL BQL 0.2 SOL SOL BQL BQL BQL BQL 7.0 ' 1,2,3-TRICHLOROPROPANE BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 0.005 ' 1,2-DIBROMO-3-CHLOROPROPANE SOL SOL SOL SOL BQL BQL BQL BQL BQL BQL BQL BQL BQL SOL SOL SOL 0.04 ' 1,2-DIBROMOETHANE BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 0.02 ' 1,2-DICHLOROBENZENE SOL SOL SOL 0.6 BQL BQL BQL BQL SOL 0.2 0.2 0.1 BQL BQL BQL BQL 20.0 ' 1,2-DICHLOROETHANE BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 0.4 ' 1,2-DICHLOROPROPANE SOL BQL SOL SOL BQL BQL .. 112 BQL BQL BQL BQL BQL BQL SOL SOL SOL 0.6 ' 1,4-DICHLOROBENZENE BQL BQL BQL 6.3 0.2 BQL BQL 0.2 BQL 2.6 3.1 1.9 BQL BQL BQL BQL 6.0 ' 1,4-DIOXANE SOL 68.5 SOL $0.6 BQL BQL BQL BQL BQL BQL 2.1 4.1 2.1 BQL BQL BQL 3.0 ' 2-BUTANONE BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 4,000.0 ' 2-HEXANONE SOL SOL SOL SOL BQL BQL BQL BQL BQL BQL BQL BQL BQL SOL SOL SOL ' 40.0 4-METHYL-2-PENTANONE BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 560.0 ACETONE 3.9 3.7 3.5 6.8 SOL BQL 2.3 2.5 4.4 2.8 3.8 2.9 4.0 8.8 3.4 3.6 6000.0 ACRYLONITRILE BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL ' BENZENE SOL 0.2 BQL 1.9 0.3 BQL BQL BQL BQL .1.2. 0.3 0.2 BQL 0.9 BQL BQL 1.0 ' BROMOCHLOROMETHANE BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 0.6 BROMODICHLOROMETHANE SOL SOL SOL SOL BQL BQL BQL BQL BQL BQL BQL BQL BQL SOL SOL SOL 0.6 ' BROMOFORM BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 4.0 ' BROMOMETHANE SOL SOL SOL SOL BQL BQL BQL BQL BQL BQL BQL BQL BQL SOL SOL SOL ' 10.0 CARBON DISULFIDE BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 700.0 ' CARBON TETRACHLORIDE SOL SOL SOL SOL BQL BQL BQL BQL BQL BQL BQL BQL BQL SOL SOL SOL 0.3 ' CHLOROBENZENE BQL BQL BQL 34.0 0.6 BQL BQL 0.2 BQL 2.5 6.3 3.2 BQL 0.2 BQL BQL 50.0 ' CHLOROETHANE SOL SOL SOL SOL 0.8 BQL BQL BQL SOL 0.5 0.5 0.3 BQL 1.4 BQL BQL 3,000.0 ' CHLOROFORM BQL BQL BQL BQL BQL BQL 0.3 BQL BQL BQL BQL BQL BQL BQL BQL BQL 70.0 ' CHLOROMETHANE SOL SOL SOL BQL BQL BQL BQL BQL BQL BQL BQL BQL SOL SOL SOL SOL 3.0 ' CIS-1,2-DICHLOROETHENE BQL BQL BQL BQL BQL BQL BQL 1.4 BQL 12.6 0.1 BQL BQL 0.6 0.6 BQL 70.0 ' CIS-1,3-DICHLOROPROPENE SOL SOL SOL BQL BQL BQL BQL BQL BQL BQL BQL BQL SOL SOL SOL SOL 0.4 DIBROMOCHLOROMETHANE BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 0.4 0.41 DIBROMOMETHANE SOL SOL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL SOL SOL SOL SOL ' 70.0 ETHYLBENZENE BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 600.0 ' METHYL IODIDE SOL SOL BQL BQL BQL BQL BQL BQL BQL BQL BQL SOL SOL BQL BQL SOL ' METHYLENE CHLORIDE BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 5.0 ' STYRENE SOL BQL BQL BQL BQL BQL BQL BQL BQL BQL SOL SOL SOL SOL SOL SOL 70.0 ' TETRACHLOROETIENE BQL BQL BQL BQL BQL BQL BQL 0.4 BQL 0.9 BQL BQL BQL BQL BQL BQL 0.7 ' TOLUENE SOL BQL BQL BQL BQL BQL BQL BQL BQL BQL SOL SOL SOL SOL SOL SOL 600.0 ' TOTAL XYLENES BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 0.5 BQL BQL 500.0 ' TRANS-I,2-DICHLOROETHENE BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL SOL SOL SOL SOL SOL SOL 100.0 ' TRANS-I,3-DICHLOROPROPENE BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 0.4 ' TRANS-I,4-DICHLORO-2-BUTENE BQL BQL BQL BQL BQL BQL BQL BQL BQL SOL SOL SOL SOL SOL SOL SOL ' TRICHLOROETHENE i BQL BQL BQL BQL BQL BQL BQL BQL BQL 1.1 BQL BQL BQL BQL BQL BQL 3.0 ' TRICHLOROFLUOROMETHANE BQL BQL BQL BQL BQL BQL BQL BQL SOL BQL BQL BQL BQL BQL BQL BQL 2,000.0 VINYL ACETATE BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 88.0 VINYL CHLORIDE BQL BQL BQL 0.7 BQL SOL SOL BQL BQL 0.4 BQL 0.3 BQL BQL BQL IBQL 0.03 ' All results in parts per billion (ppb) • BQL - Below Method Detection Limit B - Lab blank contamination • NS - Not Sampled Standard not established Shaded cells denote concentrations that equal or exceed 2L or Groundwater Protection Standards RuthCent_0620 TABLE 5 GROUNDWATER SAMPLING RESULTS APPENDIX II TRIGGERED CONSTITUENTS CENTRAL SANITARY LANDFILL (# 81-03) RUTHERFORD COUNTY. NORTH CAROLINA JUNE 2-11, 2020 SW-846 Well Number 15A NCAC 2L Standard for Class NC Groundwater Protection Parameter Method 8103-MW-4 8103-MW-6 8103-MW-7 8103-MW-8 8103-MW-9 8103-MW-10B 8103-MW-10C 8103-MW-10D 8103-MW-11A 8103-MW-11B GAGroundwater Standard 1,3-Dichlorobenzene 8260 BQL 0.5 BQL BQL BQL BQL BQL 2.4 0.2 BQL 200.0 1,3-Dichloro ro ane 8260 BQL BQL BQL BQL BQL BQL 0.2 BQL BQL BQL Dichlorodifluoromethane 8260 BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 1,000.0 4,4'- DDD 8081 BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 0.1 4,4'- DDT 8081 BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 0.1 al ha-BHC 8081 BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL * 0.006 beta-BHC 8081 BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 0.019 delta-BHC 8081 BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 0.019 Endrin 8081 BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 2.0 amma-BHC Lindane 8081 BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 0.03 Mercury 1 7470 BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 1.0 Notes: All results in parts per billion (ppb) BQL - Below Method Detection Limit * - Standard not established Shaded I cells denote concentrations that equal or exceed 2L or Groundwater Protection Standards NA -Not analyzed RuthCent_0620 TABLE 6 GROUNDWATER SAMPLING RESULTS APPENDIX II INORGANIC CONSTITUENTS CENTRAL SANITARY LANDFILL (#81-03) RUTHERFORD COUNTY, NORTH CAROLINA JUNE 2-11, 2020 Parameter Laboratory 15A NCAC 2L Standard for Class NC Groundwater Protection Method 8103-MW-2 8103-MW-3 8103-MW-4 8103-MW-6 8103-MW-7 8103-MW-8 8103-MW-9 8103-MW-12 8103-MW-13 8103-MW-14 8103-MW-15 GA Groundwater Standard ANTIMONY SW 846 6010 BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 1.0 ARSENIC SW 846 6010 BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 10.0 BARIUM SW 846 6010 13.80 191.00 84.40 225.00 145.00 118.00 56.80 143.00 180.00 81.50 251.00 700.0 BERYLLIUM SW 846 6010 BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 4.0 CADMIUM SW 846 6010 BQL 0.47 0.46 0.36 0.20 BQL BQL 0.22 0.23 BQL 0.24 2.0 CHROMIUM SW 846 6010 3.95 1.65 2.68 3.85 19.80 3.2 2.71 6.08 4.31 1.71 16.40 10.0 COBALT SW 846 6010 BQL 1.18 1.31 24.70 6.03 BQL BQL 5.23 7.90 BQL 9.02 * 1.0 COPPER SW 8466010 BQL 3.49 6.86 2.43 7.14 BQL BQL 7.44 5.38 1.71 20.70 1,000.0 CYANIDE EPA 335.2 BQL BQL BQL BQL NA BQL BQL BQL BQL BQL BQL 70.0 LEAD SW 846 6010 BQL 2.60 8.00 BQL BQL BQL BQL BQL 3.89 2.47 12.40 15.0 MERCURY SW 846 7470 BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 1.0 NICKEL SW 846 6010 BQL 1.65 0.97 7.88 8.23 BQL BQL 2.57 7.85 BQL 8.12 100.0 SELENIUM SW 846 6010 BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 20.0 SILVER SW 846 6010 BQL BQL BQL BQL BQL BQL BQL BQL 1.31 BQL BQL 20.0 SULFIDE EPA376.1 BQL BQL BQL BQL NA BQL BQL BQL BQL BQL BQL THALLIUM SW 846 6010 BQL BQL BQL 9.51, BQL BQL BQL 5.04. BQL BQL BQL 0.28 TIN SW 846 6010 BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 2,000.0 VANADIUM SW 846 6010 0.74 1.30 7.10 1.08 26.50 1.66 0.58 2.15 4.20 2.66 33.00 0.3 ZINC SW 8466010 BQL BQL BQL BQL 16.20 BQL BQL 2.50 5.87 BQL 37.50 1,000.0 Notes: All results in parts per billion (ppb) • BQL - Below Method Detection Limit * - Standard not established • "Shaded " cells denote concentrations that equal or exceed the 2L or Groundwater Protection Standards NS - Not Sampled • NA - Not Analyzed RuthCent_0620 TABLE 7 GROUNDWATER SAMPLING RESULTS APPENDIX II VOLATILE ORGANIC CONSTITUENTS BY SW-846 METHOD 8260 CENTRAL SANITARY LANDFILL (#81-03) RUTHERFORD COUNTY, NORTH CAROLINA JUNE 2-11, 2020 Parameters Sample Locations 15A NCAC 2L Standard for Class NC Groundwater Protection Standard 8103-MW-2 8103-MW-3 8103-MW-4 8103-MW-6 8103-MW-7 8103-MW-8 8103-MW-9 8103-MW-12 8103-MW-13 8103-MW-14 8103-MW-15 GAGroundwater 1112-TETRACHLOROETHANE BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL * 1.0 1,1,1-TRICHLOROETHANE BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 200.0 ' 1122-TETRACHLOROETHANE BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 0.2 0.18 1,1,2-TRICHLOROETHANE BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 0.6 11-DICHLOROETHANE BQL BQL BQL BQL 1.0 BQL BQL BQL BQL BQL BQL 6.0 ' 1,1-DICHLOROETHENE BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 7.0 ' 11-DICHLOROPROPENE BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 1,2,3-TRICHLOROPROPANE BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 0.005 ' 1,2,4-TRICHLOR013ENZENE' BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 70.0 70.0 1,2-DIBROMO-3-CHLOROPROPANE BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 0.04 ' 12-DIBROMOETHANE BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 0.02 ' 1,2-DICHLOROBENZENE BQL BQL BQL 0.6 BQL BQL BQL BQL BQL BQL BQL 20.0 ' 12-DICHLOROETHANE BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 0.4 1,2-DICHLOROPROPANE BQL BQL BQL BQL BQL BQL 11.2.. BQL BQL BQL BQL 0.6 ' 13-DICHLOROBENZENE BQL BQL BOL 0.5 BQL BQL BQL BQL BQL BQL BQL 200.0 1,3-DICHLOROPROPANE BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL ' 14-DICHLOROBENZENE BQL BQL BQL 6:3 0.2 BQL BQL BQL BQL BQL BQL 6.0 ' 1,4-DIOXANE BQL 68.5 BQL 50.6 BQL BQL BQL 2.1 BQL BQL BQL 3.0 ' 22-DICHLOROPROPANE BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 2-BUTANONE BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 4,000.0 ' 2-HEXANONE BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL * 40.0 4-METHYL-2-PENTANONE BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 560.0 ACETONE 3.9 3.7 3.5 6.8 BQL BQL 2.3 4.0 8.8 3.4 3.6 6,000.0 ' ACETONITRILE BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL ' 42.0 ACROLEIN BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL * 4.0 ACRYLONITRILE BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL ALLYL CHLORIDE 3-chloro ro ene BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL * ' BENZENE BQL 0.2 BQL 1.9 0.3 BQL BQL BQL 0.9 BQL BQL 1.0 ' BROMOCHLOROMETHANE BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL * 0.6 BROMODICHLOROMETHANE BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 0.6 ' BROMOFORM BQL BQL BQL BQL BQL BQL I BQL BQL BQL BQL BQL 4.0 ' BROMOMETHANE BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 10.0 CARBON DISULFIDE BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 700.0 CARBON TETRACHLORIDE BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 0.3 ' CHLOROBENZENE BQL BQL BQL 34.0 0.6 BQL BQL BQL 0.2 BQL BQL 50.0 CHLOROETHANE BQL BQL BQL BQL 0.8 BQL BQL BQL 1.4 BQL BQL 3,000.0 ' CHLOROFORM BQL BQL BQL BQL BQL BQL 0.3 BQL BQL BQL BQL 70.0 CHLOROMETHANE BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 3.0 ' CHLOROPRENE BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL CIS-1,2-DICHLOROETHENE BQL BQL BQL BQL BQL BQL BQL BQL 0.6 0.6 BQL 70.0 ' CIS-I3-DICHLOROPROPENE BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 0.4 DIBROMOCHLOROMETHANE BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 0.4 0.41 DIBROMOMETHANE BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL * 70.0 DICHLORODIFLOUROMETHANE BQL BQL BQL BQL BQL BQL BQL BQL 4.4 BQL BQL 1,000.0 ' ETHYLBENZENE BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 600.0 ETHYL METHACRYLATE BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL ' ISOBUTYLALCOHOL BQL BQL BQL BQL I BQL BQL BQL BQL BQL BQL BQL METHACRYLONITRILE BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL METHYL IODIDE BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL ' METHYL METHACRYLATE BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL ` 25.0 METHYLENE CHLORIDE BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 5.0 ' PROPIONITRILE BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL I BQL ' STYRENE BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 70.0 TETRACHLOROETHENE BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 0.7 ' TOLUENE BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 600.0 TOTAL XYLENES BQL BQL BQL BQL I BQL BQL BQL BQL 0.5 BQL BQL 500.0 ' TRANS-I2-DICHLOROETHENE BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 100.0 TRANS-I,3-DICHLOROPROPENE BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 0.4 ' TRANS -I 4-DICHLORO-2-BUTENE BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL TRICHLOROETHENE BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 3.0 ' TRICHLOROFLUOROMETHANE BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 2000.0 VINYL ACETATE BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 88.0 VINYL CHLORIDE BQL BQL BQL 0.7 :. BQL BQL BQL BQL BQL BQL BQL 0.03 ' Notes: • All results in parts per billion (ppb) • BQL - Below Method Detection Limit • `- Standard not established Shaded cells , denote concentrations that equal or exceed 21. or Groundwater Protection Standards • ' Analyzed by SW-846 Method 8270 • NS - Not Sampled RuthCent_0620 TABLE 8 GROUNDWATER SAMPLING RESULTS APPENDIX II SEMI -VOLATILE CONSTITUENTS BY SW-846 METHOD 8270 CENTRAL SANITARY LANDFILL (# 81-03), RUTHERFORD COUNTY, NORTH CAROLINA JUNE 2-11, 2020 Parameter 15A NCAC 2L Standard for Claw NC Groundwater Protection 8103-MW-2 8103-MW-3 8103-MW-4 8103-MW-6 8103-MW-7 8103-MW-8 8103-MW-9 8103-MW-12 8103-MW-13 8103-MW-14 8103-MW-15 GAGmundwater Standard 000-TRIETHYL PHOSPHOROTHIOATE BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 00-DIETHYL o-2-PYROZINYL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 1245-TETRACHLOROBENZENE BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 2.0 124-TRICHLOROSENZENE BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 70.0 70.0 14-NAPHTHOQUINONE BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 1-NAPHTHVLAMINE BQL SOL BQL SOL BQL SOL BQL SOL SOL BQL SOL 2346-TETRACHLOROPHENOL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 200.0 245-TRICHLOROPHENOL BQL SOL BQL SOL BQL SOL BQL SOL SOL BQL SOL 63.0 246-TRICHLOROPHENOL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 4.0 24-DICHLOROPHENOL BQL SOL BQL SOL BQL SOL BQL SOL BQL BQL BQL 0.98 24-DIMETHYLPHENOL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 100.0 24-DINITROPHENOL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 24-DINITROTOLUENE BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 0.1 26-DICHLOROPHENOL BQL BQL BQL BQL BQL BQL BQL SOL SOL BQL SOL 26-DINITROTOLUENE BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 2-ACETVLAMINOFLUORENE BQL SOL BQL SOL BQL SOL BQL SOL SOL BQL SOL 2-CHLORONAPHTHALENE BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 2-CHLOROPHENOL BQL SOL BQL SOL BQL SOL BQL SOL SOL BQL SOL 0.4 2-METHYLNAPHTHALENE BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 30.0 2-METHVLPHENOL (O-CRESOL) BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 400.0 2-NAPHTHVLAMINE BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 2-NITROANILINE BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 2-NITROPHENOL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 3&4-METHVLPHENOL M &P-CRESOL BQL SOL BQL 2.4 BQL SOL BQL SOL SOL BQL BQL 400/40 3 3'-DICHLOROBENZIDINE BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 33'-DIMETHVLBENZIDINE BQL SOL BQL SOL BQL SOL BQL SOL SOL BQL BQL 3-METHYLCHOLANTHRENE BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 3-NITROANILINE BQL SOL BQL SOL BQL SOL BQL SOL SOL BQL SOL 4,6-DINITROb-CREOSOL' BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 4-AMINOSIPHENYL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 4-BROMOPHENYL PHENYL ETHER BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 4-CHLORO-3-METHYLPHENOL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 4-CHLOROANILINE BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 4-CHLOROPHENVL PHENYL ETHER BQL BQL BQL BQL BQL SOL BQL SOL SOL BQL SOL 4-NITROANILINE BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 4-NITROPHENOL BQL SOL BQL SOL BQL SOL BQL SOL SOL BQL SOL 5-NITRO-0-TOLUIDINE BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 712-DIMETHVLBENZA NTHRACENE BQL SOL BQL SOL BQL SOL BQL SOL SOL BQL SOL ACENAPHTHENE BQL BQL BQL 2.5 BQL BQL BQL BQL BQL BQL BQL 80.0 ACENAPHTHYLENE BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 200.0 ACETOPHENONE BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 700.0 ANTHRACENE BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 2000.0 BENZO A ANTHRACENE BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 0.05 BENZO A PVRENE BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 0.005 BENZO BFLUORANTHENE BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 0.05 BENZO G HIPERVLENE BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 200.0 BENZO KFLUORANTHENE BQL BQL SQL BQL BQL BQL BQL BQL BQL BQL BQL 0.5 BENZYL ALCOHOL BQL I BQL BQL SOL BQL SOL BQL SOL BOIL BQL BQL 700.0 BIS(2-CHLORO-I-METHYLETHYL)ETHER BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BIS 2-CHLOROETHOX METHANE BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 6152-CHLOROETHVLETHER BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 0.031 BIS2-ETHVLHEXYLPHTHALATE BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 3.0 BUM BENZYL PHTHALATE' BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 1.000.0 FCHLOROBENZILATE BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL CHRVSENE BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 5.0 DIALLATE TOTAL BQL BQL BQL SOL BQL SOL BQL SOL BQL BQL BQL RuthCent_0620 TABLE CONT.) Parameter 15A NCAC 21 Standard for Class NC Groundwater Protection 8103-MW-2 8103-MW-3 8103-MW-4 8103-MW-6 8103-MW-7 8103-MW-8 8103-MW-9 8103-MW-12 8103-MW-13 8103-MW-14 8103-MW-15 GA Groundwater Standard DISENZ AH NTHRACENE BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 0.005 DIBENZOFURAN BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 28.0 DIETHYL PHTHALATE BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 6000.0 DIMETHYL PHTHALATE BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL DI-N-BUTYLPHTHALATE BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 700.0 DI-N-OCTYLPHTHALATE BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 100.0 DIPHENYLAMINE BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL ETHYL METHANESULFONATE BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL FLUORANTHENE BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 300.0 FLUORENE BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 300.0 HEXACHLOROBENZENE BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 0.02 HEXACHLOROBUTADIENE BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 0.4 0.44 HEXACHLOROCYCLOPENTADIENE BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 50.0 HEXACHLOROETHANE BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 2.5 HEXACHLOROPROPENE BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL INDENO 123-CDPYRENE BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 0.05 ISOORIN BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL ISOPHORONE BQL BQL 1.4 BQL BQL BQL BQL BQL BQL BQL BQL 40.0 ISOSAFROLE BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL m-DINITROSENZENE° BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL METHAPYRILENE BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL METHYLMETHANESULFONATE BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL N-NITROSODIETHYLAMINE BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL N-NITROSODIMETHYLAMINE BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 0.0007 N-NITROSODI-N-BUTYLAMINE BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL N-NITROSODI-N-PROPYLAMINE BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL N-NITROSODIPHENYLAMINE BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL N-NITROSOMETHYLETHYLAMINE BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL N-NITROSOPIPERIDINE BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL N-NITROSOPYRROLIDINE BQL BOIL BQL BQL BQL BQL BQL BQL BQL BQL BQL NAPHTHALENE BQL BQL BQL BQL BQL BQL BQL BQL 10.2 BQL BQL 6.0 NITROBENZENE BQL BOIL BQL BQL BQL BQL BQL BQL BQL BQL BQL O-TOLUIDINE BQL BQL BOIL BQL BQL BQL BQL BQL BQL BQL BQL P-DIMETHYLAMINOAZOBENZENE BQL BOIL BQL BQL BQL BQL BQL BQL BQL BQL BQL PENTACHLOROBENZENE BQL BQL BOIL BQL BQL BQL BQL BQL BQL BQL BQL PENTACHLORONITROBENZENE BQL BOIL BQL BQL BQL BQL BQL BQL BQL BQL BQL PHENACETIN BQL BQL BOIL BQL BQL BQL BQL BQL BQL BQL BQL PHENANTHRENE BQL BOIL BQL BQL BQL BQL BQL BQL BQL BQL BQL 200.0 PHENOL BQL BQL BOIL BQL BQL BQL BQL BQL BQL BQL BQL 30.0 p-PHENYLENEDIAMINEs BQL BOIL BQL BQL BQL BQL BQL BQL BQL BQL BQL PRONAMIDE BQL BQL BQL BQL BQL BQL BQL BQL BQL PYRENE BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 200.0 SAFROLE BQL Q BQL BQL BQL BQL BQL BQL BQL BQL BQL sym-TRINITROBENZENE Q BOIL BQL BQL BQL BQL BQL BQL BQL BQL BQL Notes: • All results in parts per billion (ppb) • BQL - Below Method Detection Limit • '- Standard not established • Shaded cells denote concentrations that equal or exceed 21 or Groundwater Protection Standards •t-4,6-Dinitro-o-craosole=4,6-Dinitro-2-methylphenol=2-Methyl-4,6-dinitrophenol •-Bis(2-chbro-l-methylethy0ether=2,2-Oxybis(1-chloropropane)=BIs(2-chloroisopropy0 ether • �- Butyl benzyl phthalate= BenzyibuMphthalate • m-Dinitrobenzene = 1,3 Dinitrobenzene • s-p-Phenylenediamine=l,4 Phenylenediamine • s-sym-Tdndrobenzene=1,3.5-Trinitrobenzene • NS - Not Sampled RuthCent_0620 TABLE 9 GROUNDWATER SAMPLING RESULTS APPENDIX II ORGANOPHOSPHORUS PESTICIDES BY SW-846 METHOD 8270 APPENDIX II HERBICIDES BY SW-846 METHODS 8151A and 8270D CENTRAL SANITARY LANDFILL (#81-03) RUTHERFORD COUNTY, NORTH CAROLINA JUNE 2-11. 2020 15A NCAC 2L NC Groundwater PARAMETER WELL NUMBER Standard for Class Protection 8103-MW-2 I 8103-MW-3 I 8103-MW-4 I 8103-MW-6 I 8103-MW-7 I 8103-MW-8 I 8103-MW-9 I 8103-MW-12 8103-MW-13 8103-MW-14 8103-MW-15 GAGroundwater Standard PESTICIDES 0,0,0-TRIETHYL PHOSPHOROTHIOATE BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL DIMETHOATE BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL DISULFOTON BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 0.3 FAMPHUR BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL KEPONE BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL METHYL PARATHION BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL PARATHION BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL PHORATE BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 1.0 THIONAZIN BQL I BQL I BQL I BQL I BQL I BQL I BQL I BQL I BQL I BQL I BQL HERBICIDES 2,4,5-T BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 2,4,5-TP SILVEX BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 50.0 2,4-D BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 70.0 DINOSEB BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 7.0 PENTACHLOROPHENOL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 0.3 Notes: • All results in parts per billion (ppb) • BOL - Below Method Detection Limit • Shaded cells denote concentrations that equal or exceed 2L or Groundwater Protection Standards • ' - Thionazin = 0,0-Diethyl o-2-pyrozinyl RuthCent_0620 TABLE 10 GROUNDWATER SAMPLING RESULTS APPENDIX II PESTICIDES/PCBS BY SW-846 METHOD 8081/8082 CENTRAL SANITARY LANDFILL (#81-03) RUTHERFORD COUNTY, NORTH CAROLINA JUNE 2-11. 2020 PARAMETER WELL NUMBER 15A NCAC 2L Standard for Class NC Groundwater Protection 8103-MW-2 8103-MW-3 8103-MW-4 8103-MW-6 8103-MW-7 8103-MW-8 8103-MW-9 8103-MW-12 8103-MW-13 8103-MW-14 8103-MW-15 GA Groundwater Standard 4,4'-DDD BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 0.1 4,4'-DDE BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 4,4'-DDT BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 0.1 ALDRIN BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL * 0.002 ALPHA-BHC BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 0.006 AROCLOR 1016 BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 0.09 AROCLOR 1221 BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 0.09 AROCLOR 1232 BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 0.09 AROCLOR 1242 BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 0.09 AROCLOR 1248 BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 0.09 AROCLOR 1254 BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 0.09 AROCLOR 1260 BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 0.09 BETA-BHC BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 0.019 CHLORDANE TOTAL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 0.1 DELTA-BHC BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL * 0.019 DIELDRIN BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 0.002 ENDOSULFANI BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 40.0 ENDOSULFAN II BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 42.0 ENDOSULFAN SULFATE BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 40.0 ENDRIN BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 2.0 ENDRIN ALDEHYDE BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 2.0 GAMMA-BHC LINDANE BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 0.03 HEPTACHLOR BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 0.008 HEPTACHLOR EPDXIDE BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 0.004 METHOXYCHLOR BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 40.0 TOXAPHENE BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 0.03 Notes: • All results in parts per billion (ppb) • BQL - Below Method Detection Limit • * - Standard not established Shaded cells denote concentrations that equal or exceed 2L or Groundwater Protection Standards • NS - Not Sampled RuthCent_0620 TABLE 11 GROUNDWATER SAMPLING RESULTS MONITORED NATURAL ATTENUATION PARAMETERS CENTRAL SANITARY LANDFILL (#81-03) RUTHERFORD COUNTY, NORTH CAROLINA JUNE 2-11, 2020 Parameter Laboratory Method Sample Location 15A NCAC 2L Standard for Class GA Groundwater NC Groundwater Protection Standard W-2 8103-MW-4 8103-MW-6 8103-MW-8 8103-MW-9 8103-MW-10D 8103-MW-11A ACETIC ACID AM23G BQL 570 u /L BQL BQL BQL BQL ALKALINITY SM 2320B /L 234,000 u /L 492,000 u /L 36,000 u /L 17,000 u /L 155,000 u /L 500,000 u /L BOD SM 5210B BQL 2,230 u /L BQL BQL BQL BQL BUTYRIC ACID AM23G BQL BQL BQL BQL BQL BQL CARBON DIOXIDE SM 4500 CO2 C /L R8nLM 122,000 u /L 319,000 u /L 116,000 u /L 82,200 u /L 161,000 u /L 318,000 u /L CHLORIDE SM 4500 Cl Cg/L 8,000 u /L 225,000 ug/L 53,500 ug/L 3,000 ug/L 11,500 ug/L 42,500 u /L 250,000.0 COD EPA 410.4 BQL 54,000 u /L BQL BQL BQL BQL ETHANE AM20GAX BQL 0.61 u /L BQL BQL BQL 0.20 u /L ETHENE AM20GAX BQL 0.44 u /L BQL BQL BQL 0.14 u /L HEXANOIC ACID AM23G BQL BQL BQL BQL BQL BQL HYDROGEN AM20GAXM 2.9 nM 4.7 nM 3.9 nM 3.3 nM 2.8 nM 2.1 u /L i-HEXANOIC ACID AM23G BQL BQL BQL BQL BQL BQL BQL i-PENTANOIC ACID AM23G BQL BQL BQL BQL BQL BQL BQL IRON EPA 200.7 179 u /L 2,080 ug/L 8,790 ug/L 214 ug/L 100.0 ug/L 706 ug/L 4,290 ug/L 300.0 LACTIC ACID & HIBA AM23G BQL BQL I BQL BQL BQL BQL BQL METHANE AM20GAX BQL 2.1 u /L 570 u /L BQL BQL 350 u /L 210 u /L NITRATE -NITROGEN SM 4500 NO3 E 138 u /L 546 u /L BQL 3,640 ug/L BQL BQL 70.4 u /L 10,000.0 PENTANOIC ACID AM23G BQL BQL BQL BQL BQL BQL BQL PROPIONOIC ACID AM23G BQL BQL BQL BQL BQL BQL BQL PYRUVIC ACID AM23G BQL BQL BQL BQL BQL BQL BQL SULFATE SM 4500 SO4 E BQL BQL 78,700 ug/L BQL BQL BQL 11,100 u /L 250,000.0 SULFIDE EPA 376.1 BQL BQL BQL BQL BQL BQL BQL TOTAL ORGANIC CARBON SM 5310C BQL 1,740 ug/L 24,600 ug/L 2,000 ug/L BQL 1,250 ug/L 6,210 ug/L Notes: • ug/L - micrograms per Liter (ppb) • nM - nano Moles • BQL - Below Method Detection Limit • * - Standard not established • NS - Not sampled Shaded cells denote concentrations that equal or exceed 2L or Groundwater Protection Standards • - Analyzed approximately 2 hours out of hold time RuthCent_0620 TABLE 12 GROUNDWATER AND SURFACE WATER SAMPLING RESULTS C & D PARAMETERS CENTRAL SANITARY LANDFILL (#81-03) RUTHERFORD COUNTY, NORTH CAROLINA JUNE 2-11, 2020 Parameter Laboratory Method Sample Location 15A NCAC 2L Standard for Class GA Groundwater NC Groundwater Protection Standard 15A NCAC 2B Standard for Class B,C Surface Water 8103-MW-2 8103-MW-3 8103-MW-12 8103-MW-13 8103-MW-14 8103-MW-15 8103-SW-2 8103-SW-3 8103-SW-4 8103-SW-5A ALKALINITY SM 2320B 48,000 368,000 312,000 82,000 51,000 25,000 33,000 20,000 10,500 20,000 ALUMINUM SW 8466010C 33.0 271.0 381.0 1,170.0 606.0 17,700X 129.0 151.0 217.0 136.0 3,500 CHLORIDE SM 4500 Cl C 3,000.0 66,000.0 9,500.0 6,000.0 12,500.0 7,500.0 7,500.0 5,500.0 4,500.0 4,500.0 250,000.0 230,000 VT IRON EPA 200.7 179.0 921.0 8,010.0 4,890.0 695.0 13,300.0 174.0 308.0 159.0 170.0 300.0 1,000 01 MANGANESE SW 846 6010 4.4 330.0 4,440.0 1,920.0 49.4 496.0 77.4 66.2 6.99 15.8 50.0 MERCURY SW 846 7470 BQL BQL BQL BQL BQL BQL BQL BQL BQL BQL 1.0 0.012 SULFATE SM 4500 SO4 E BQL 44,800 14,600 12,100 58,500 65,900 BQL BQL BQL BQL 250,000.0 TDS SM 2540 C 97,000 692,000 392,000 125,000 144,000 94,000 72,000 47,000 42,000 54,000 500,000.0 TETRAHYDROFURAN SW 846 8260B BQL BQL BQL BQL 3.0 BQL BQL BQL BQL BQL Notes: All results in parts per billion (ppb) BQL - Below Method Detection Limit * - Standard/Limit not established NS - Not sampled I'] - Action Level Shaded cells denote concentrations that equal or exceed 2B Standards, 2L Standards, Groundwater Protection Standards, or Action Levels RuthCent_0620 TABLE 13 SUMMARY OF SAMPLING EVENTS CENTRAL SANITARY LANDFILL (#81-03) RUTHERFORD COUNTY, NORTH CAROLINA �� r r •• r: r: •• �� r. r. .. �� r r r: rrr r• r rrr �aaaa��a��aaaaaaaa • I - denotes well was sampled for Appendix I constituents on this date • II - denotes well was sampled for Appendix II constituents on this date • II(t) - denotes well was sampled for Appendix II triggered constituents (113-dichloropropane, alpha-BHC, beta-BHC, delta-BHC, dichlorodifluoromethane, endrin, and gamma-BHC) on this date • MNA - denotes well was sampled for Monitored Natural Attenuation constituents • C&D - denotes well was sampled for Construction and Demolition constituents • I - Appendix I volatiles only • 2 - Mercury and endrin aldehyde added to Appendix 11 triggered constituent list • a - 4,4'-DDD and 4,4'-DDT added to Appendix II triggered constituent list • ° - Aluminum added to C&D constituent list RuthCent_0620 TABLE 13 (cont.) SUMMARY OF SAMPLING EVENTS CENTRAL SANITARY LANDFILL (#81-03) RUTHERFORD COUNTY. NORTH CAROLINA Well 04/11/2001 09112-1312001 04/03/2002 06/27/2002 10/02/2002 04102-0312003 09/03/2003 04/06/2004 10/27/2004 04/05/2005 09/08/2005 04/04-05/2006 10/26-27/2006 5/22-23/2007 10/23-26/2007 05/06-08/2008 09/22-25/2008 8103-MW-2 I I I I I I I I I I I 1 I, MNA I, MNA, C&D I, MNA, C&D 8103-MW-3 I I I I I I I I I I I I I 1 I, C&D I, C&D 8103-MW-4 I'll 1, 11(t) I'll I, 11(t) 1,11 I, 11(t) I'll I, 11(t) 1,11 1, 11(t) I'll I, 11(t) I'll I, 11(t), MNA I, 11, MNA I, 11(t), MNA 8103-MW-6 I'll 1, 11(t) I'll 1, 11(t) I'll 1, 11(t) I'll 1, 11(t) I'll 1, 11(t) I'll I, 11(t) I'll I, 11(t), MNA I, 11, MNA I, 11(t), MNA 8103-MW-7 I'll 1, 11(t) I'll I, 11(t) I'll I, ll(t) I'll I, ll(t) I'll 1, ll(t) I'll I, ll(t) I'll I, ll(t) I'll I, ll(t) 8103-MW-8 I'll 1, 11(t) I'll 1, 11(t) I'll 1, 11(t) I'll 1, 11(t) I'll 1, 11(t) 1,11 1, 11(t) I'll I, 11(t), MNA I, II, MNA I, 11(t), MNA 8103-MW-9 I'll 1, 11(t) 1,11 1,llt I'll 1, 11(t) I'll 1, 11(t) I'll 1, 11(t) I'll 1, 11(t) I'll I, 11(t), MNA I, II, MNA I, 11(t), MNA 8103-MW-10A 8103-MW-10B 1, 11(t) 1, 11(t) 1, 11(t) 1, 11(t) 1, 11(t) 1, 11(t) 1, 11(t) 1, 11(t) 1, 11(t) 1, 11(t) 1, 11(t) 1, 11(t) 1, 11(t) 1, 11(t) 1, 11(t) 1, 11(t) 8103-MW-10C 1, 11(t) 1, 11(t) 1, 11(t) 1, 11(t) 1, 11(t) 1, 11(t) 1, 11(t) 1, 11(t) 1, 11(t) 1, 11(t) 1, 11(t) 1, 11(t) 1, 11(t) 1, 11(t) 1, 11(t) 1, 11(t) 8103-MW-10D 1, 11(t) 1, 11(t) 1, 11(t) 1, 11(t) 1, 11(t) 1, 11(t) 1, 11(t) 1, 11(t) 1, 11(t) 1, 11(t) 1, 11(t) 1, 11(t) 1, 11(t) I, 11(t), MNA I, 11(t), MNA I, 11(t), MNA 8103-MW-11A 1, 11(t) 1, 11(t) 1, 11(t) 1, 11(t) 1, 11(t) 1, 11(t) 1, 11(t) 1, 11(t) 1, 11(t) 1, 11(t) 1, 11(t) 1, 11(t) 1, 11(t) 1,IIt,MNA 1 I, 11(t), MNA 1,IIt,MNA 8103-MW-11B 1, 11(t) 1, 11(t) 1, 11(t) 1, 11(t) 1, 11(t) 1, 11(t) 1, 11(t) 1, 11(t) 1, 11(t) 1, 11(t) 1, 11(t) 1, 11(t) 1, 11(t) 1, 11(t) 1, 11(t) 1, 11(t) 8103-MW-12 I I I I I I I I I I I 1 1, C&D I, C&D 8103-MW-13 1 1 1 1 1 1 1 1 1 1 1 1 1, C&D 1, C&D 8103-MW-14 1, C&D 1, C&D 8103-MW-15 1, C&D 1, C&D • I - denotes well was sampled for Appendix I constituents on this date • II - denotes well was sampled for Appendix II constituents on this date • 11(t) - denotes well was sampled for Appendix II triggered constituents (1,3-dichloropropane, alpha-BHC, beta-BHC, delta-BHC, dichlorodiFluoromethane, endrin, and gamma-BHC) on this date • MNA - denotes well was sampled for Monitored Natural Attenuation constituents • C&D - denotes well was sampled for Construction and Demolition constituents • ' - Appendix I volatiles only • 2 - Mercury and endrin aldehyde added to Appendix I I triggered constituent list • 3 - 4,4'-DDD and 4,4'-DDT added to Appendix II triggered constituent list - Aluminum added to C&D constituent list RuthCent_0620 TABLE 13 (cont.) SUMMARY OF SAMPLING EVENTS CENTRAL SANITARY LANDFILL (#81-03) RUTHERFORD COUNTY. NORTH CAROLINA Well 05/18-05/21, 2009 10/07-10/09, 2009 05/17-05/20, 2010 09/20-09/23, 2010 04/25-05/02, 2011 09/27-09/30, 2011 04/30-05/03, 2012 09/25-10/03, 2012 04/15-18/2013 09/23-09/28, 2013 04/28-05/01, 2014 09/29-10/04, 2014 04/27-05/02, 2015 09/28-10/07, 2015 04/26-05/05, 2016 8103-MW-2 I, MNA, C&D I, MNA, C&D I, MNA, C&D I, MNA, C&D° I, MNA, C&D I, MNA, C&D I, MNA, C&D I, MNA, C&D I, MNA, C&D I, MNA, C&D I, MNA, C&DB I, MNA, C&D I, MNA, C&D I, MNA, C&D I, MNA, C&D 8103-MW-3 I, C&D I, C&D I, C&D I, C&D4 I, C&D I, C&D I, C&D I, C&D I, C&D I, C&D I, C&DB I, C&D I, C&D I, C&D I, C&D 8103-MW-4 I, II, MNA I, 11(t), MNA I, II, MNA I, 11(t), MNA I, II, MNA I, II(t)5, MNA I, II, MNA I, II(t), MNA I, II, MNA I, II(t), MNA I, II, MNA I, II(t), MNA I, II, MNA I, II(t), MNA I, II, MNA 8103-MW-6 I, II, MNA I, 11(t), MNA I, II, MNA I, 11(t), MNA I, II, MNA I, II(t)5, MNA I, II, MNA I, II(t), MNA I, II, MNA I, II(t), MNA I, II, MNA I, II(t), MNA I, II, MNA I, II(t), MNA I, II, MNA 8103-MW-7 1,11 I, II t I'll I, II t 1,11 I, II(t)5, MNA 1,11 I, II(t) 1,11 I, II(t) 1,11 I, II(t) 1,11 I, II(t) 1,11 8103-MW-8 I, II, MNA 1 I, 11(t), MNA I, 11(t), MNA I, II, MNA 1 I, II(t)5, MNA I, II, MNA I, II(t), MNA I, II, MNA I I, II(t), MNA I, II, MNA I, II(t), MNA I, II, MNA 1 I, II(t), MNA I, II, MNA 8103-MW-9 I, II, MNA I, 11(t), MNA I, II, MNA I, 11(t), MNA I, II, MNA I, II(t)5, MNA I, II, MNA I, II(t), MNA I, II, MNA I, II(t), MNA I, II, MNA I, II(t), MNA I, II, MNA I, II(t), MNA I, II, MNA 8103-MW-10A 8103-MW-10B I, II t I, II t I, II t I, II t I, II t I, II(t)s I, II(t) I, II(t) I, II(t) I, II(t) I, II(t) I, II(t) I, II(t) I, II(t) I, II(t) 8103-MW-10C I, II t I, II t I, II t I, II t I, II t I, II(t)5 I, II(t) I, II(t) I, II(t) I, II(t) I, II(t) I, II(t) I, II(t) I, II(t) I, II(t) 8103-MW-10D I, 11(t), MNA I, 11(t), MNA I, 11(t), MNA I, 11(t), MNA I, 11(t), MNA I, II(t)5, MNA I, II(t), MNA I, II(t), MNA I, II(t), MNA I, II(t), MINA I, II(t), MINA I, II(t), MNA I, II(t), MNA I, II(t), MNA I, II(t), MNA 8103-MW-11A I, 11(t), MNA I, 11(t), MNA I, 11(t), MNA I, 11(t), MNA I, 11(t), MNA I, II(t)5, MNA I, II(t), MNA I, II(t), MNA I, II(t), MINA I, II(t), MINA I, II(t), MINA I, II(t), MNA I, II(t), MNA I, II(t), MNA I, II(t), MNA 8103-MW-11B I, II t I, II t I, II t I, II t I, II t I, II(t)5 I, II(t) I, II(t) I, II(t) I, II(t) I, II(t) I, II(t) I, II(t) I, II(t) I, II(t) 8103-MW-12 I, C&D I, C&D I, C&D I, C&D4 I, C&D I, C&D I, C&D I, C&D I, C&D I, C&D I, C&Ds I, C&D I, C&D I, C&D I, C&D 8103-MW-13 I, C&D I, C&D I, C&D I, C&D4 I, C&D I, C&D I, C&D I, C&D I, C&D I, C&D I, C&Ds I, C&D I, C&D I, C&D I, C&D 8103-MW-14 I, C&D I, C&D I, C&D I, C&D4 I, C&D I, C&D I, C&D I, C&D I, C&D I, C&D I, C&Ds I, C&D I, C&D I, C&D I, C&D 8103-MW-15 I, C&D I, C&D I, C&D I, C&D4 I, C&D I, C&D I, C&D I, C&D I, C&D I, C&D I, C&Ds I, C&D I, C&D I, C&D I, C&D • I - denotes well was sampled for Appendix I constituents on this date • II - denotes well was sampled for Appendix II constituents on this date • II(t) - denotes well was sampled for Appendix II triggered constituents (1,3-dichloropropane, alpha-BHC, beta-BHC, delta-BHC, dichlorodiFluoromethane, endrin, and gamma-BHC) on this date • MNA - denotes well was sampled for Monitored Natural Attenuation constituents • C&D - denotes well was sampled for Construction and Demolition constituents • ' - Appendix I volatiles only • 2 - Mercury and endrin aldehyde added to Appendix II triggered constituent list • a - 4,4'-DDD and 4,4'-DDT added to Appendix II triggered constituent list • 4 - Aluminum added to C&D constituent list • s - 1,3-dichlorobenzene added to Appendix II triggered constituent list • 6 - Tetrahydrofuran added to C&D constituent list RuthCent_0620 TABLE 13 (cont.) SUMMARY OF SAMPLING EVENTS CENTRAL SANITARY LANDFILL (#81-03) RUTHERFORD COUNTY, NORTH CAROLINA Well 09/19-09/22, 2016 05/03-05/09, 2017 10/02-10/05, 2017 05/10-05/17, 2018 10/01-10/08, 2018 05/07-05/15, 2019 10/02-10/11, 2019 06/02-06/11, 2020 8103-MW-2 I, MNA, C&D I, MNA, C&D I, MNA, C&D I, MNA, C&D I, MNA, C&D7 I, ll, MNA, C&D I, ll, MNA, C&D I, ll, MNA, C&D 8103-MW-3 I, C&D I, C&D I, C&D I, C&D I, C&D7 I, ll, C&D I, II, C&D I, ll, C&D 8103-MW4 I, 11(t), MNA I, ll, MNA I, 11(t), MNA I, ll, MNA I, II(t), MNA7 I, ll, MNA I, II(t), MNA I, ll, MNA 8103-MW-6 I, 11(t), MNA I, ll, MNA I, 11(t), MNA I, ll, MNA I, II(t), MNA7 I, ll, MNA I, II(t), MNA I, ll, MNA 8103-MW-7 I, II t 1,11 I, II t 1,11 I, II(t) 1,11 I, II(t) 1,11 8103-MW-8 I, 11(t), MNA I, ll, MNA I, 11(t), MNA I, ll, MNA I, II(t), MNA7 I, ll, MNA I, II(t), MNA I, ll, MNA 8103-MW-9 I, 11(t), MNA I, ll, MNA I, 11(t), MNA I, ll, MNA I, II(t), MNA7 I, ll, MNA I, II(t), MNA I, ll, MNA 8103-MW-10A 8103-MW-10B I, II t I, II t I, II t I, II t I, II(t) I, II(t) I, II(t) I, II(t) 8103-MW-10C I, II t I, II t I, II t I, II t I, II(t) I, II(t) I, II(t) I, II(t) 8103-MW-10D I, 11(t), MNA I, 11(t), MNA I, 11(t), MNA I, 11(t), MINA I, II(t), MNA7 I, II(t), MNA I, II(t), MNA I, II(t), MINA 8103-MW-11A I, 11(t), MNA I, 11(t), MNA I, 11(t), MNA I, 11(t), MNA I, II(t), MNA7 I, II(t), MNA I, II(t), MNA I, II(t), MNA 8103-MW-11B I, II t I, II t I, II t I, II t I, II(t) I, II(t) I, II(t) I, II(t) 8103-MW-12 I, C&D I, C&D I, C&D I, C&D I, C&D7 I, II, C&D I, II, C&D I, II, C&D 8103-MW-13 I, C&D I, C&D I, C&D I, C&D I, C&D7 I, II, C&D I, II, C&D I, II, C&D 8103-MW-14 I, C&D I, C&D I, C&D I, C&D I, C&D7 I, II, C&D I, II, C&D I, II, C&D 8103-MW-15 I, C&D I, C&D I, C&D I, C&D I, C&D7 I, II, C&D 1 I, II, C&D 1 I, II, C&D I - denotes well was sampled for Appendix I constituents on this date II - denotes well was sampled for Appendix II constituents on this date II(t) - denotes well was sampled for Appendix II triggered constituents (1,3-dichloropropane, alpha-BHC, beta-BHC, delta-BHC, dichlorodifluoromethane, endrin, and gamma-BHC) on this date MNA - denotes well was sampled for Monitored Natural Attenuation constituents C&D - denotes well was sampled for Construction and Demolition constituents ' -Appendix I volaliles only 3 - Mercury and endrin aldehyde added to Appendix II triggered constituent list a - 4,4'-DDD and 4,4'-DDT added to Appendix II triggered constituent list "-Aluminum added to C&D constituent list 5 - 1,3-dichlorobenzene added to Appendix II triggered constituent list 6 - Tetrahydrofuran added to C&D constituent list - 1,4-Dioxane added to all sample locations RuthCent_0620 TABLE 14 GROUNDWATER FLOW RATES CENTRAL SANITARY LANDFILL (#81-03) RUTHERFORD COUNTY, NORTH CAROLINA JUNE 2-11, 2020 Hydraulic Conductivity Effective Velocity Velocity Well No. (cm/sec) Gradient Porosity (cm/sec) (ft/yr) 8103-MW-2 1.3 x 10-5 0.060 .20 3.91 x 10-6 4.05 8103-MW-4 3.7 x 10-6 0.052 .20 9.60 x 10-7 0.99 8103-MW-6 2.4 x 10-5 0.141 .20 1.69 x 10-5 17.52 8103-MW-7 2.9 x 10-6 0.229 .20' 3.31 x 10-6 3.43 8103-MW-8 1.6 x 10-4 0.045 .20 3.58 x 10-5 37.08 8103-MW-9 2.1 x 10 0.039 .20 4.07 x 10- 4.22 The above results were obtained by using the relation: V = Ki n Where K = hydraulic conductivity i = gradient n = effective porosity V = velocity Porosity value may not reflect true nature of fractured bedrock. 8103-MW-7 is screened in rock. RuthCent_0620 TABLE15 SURFACE WATER SAMPLING RESULTS APPENDIX I INORGANIC CONSTITUENTS BY SW-846 METHOD 6010 CENTRAL SANITARY LANDFILL (#81-03) RUTHERFORD COUNTY, NORTH CAROLINA JUNE 2-11, 2020 Parameter Sample Location 15A NCAC 213 Standard for Class B,C Surface Water 8103-SW-2 8103-SW-3 8103-SW-4 8103-SW-5A ANTIMONY BQL BQL BQL BQL ARSENIC BQL BQL BQL BQL 50.0 BARIUM 41.40 28.50 26.50 32.40 BERYLLIUM BQL BQL BQL BQL 6.5 CADMIUM BQL BQL BQL BQL 2.0 CHROMIUM 1.70 0.94 1.43 2.03 50.0 COBALT BQL BQL BQL BQL COPPER BQL BQL BQL BQL 7.0111 LEAD BQL BQL BQL BQL 25.0 NICKEL BQL BQL BQL BQL 88.0 SELENIUM BQL BQL BQL BQL 5.0 SILVER BQL BQL BQL BQL 0.06111 THALLIUM BQL BQL BQL BQL VANADIUM 1.42 1.69 1.70 1.67 ZINC I BQL I BQL I BQL I BQL 1 50.0 Notes: • All results in parts per billion (ppb) • BQL - Below Method Detection Limit • * - Standard not established • Shaded cells denote concentrations that equal or exceed 2B Standards or Action Levels • [1] - Action Level • NS - Not sampled. Dry location. RuthCent_0620 TABLE16 SURFACE WATER SAMPLING RESULTS APPENDIX I VOLATILE ORGANIC CONSTITUENTS BY SW-846 METHOD 8260 CENTRAL SANITARY LANDFILL (#81-03) RUTHERFORD COUNTY, NORTH CAROLINA JUNE 2-11, 2020 Parameters Sample Location 15A NCAC 2B/EPA Standards for Class B,C Surface Water 8103-SW-2 8103-SW-3 8103-SW-4 8103-SW-5 1,1,1,2-TETRACHLOROETHANE BQL BQL BQL BQL 1,1,1-TRICHLOROETHANE BQL BQL BQL BQL 2,500.0 1,1,2,2-TETRACHLOROETHANE BQL BQL BQL BQL 1,1,2-TRICHLOROETHANE BQL BQL BQL BQL 1,1-DICHLOROETHANE BQL BQL BQL BQL 20,000.0 1,1-DICHLOROETHENE BQL BQL BQL BQL 5,400.0 1,2,3-TRICHLOROPROPANE BQL BQL BQL BQL 1,2-DIBROMO-3-CHLOROPROPANE BQL BQL BQL BQL 1,2-DIBROMOETHANE BQL BQL BQL BQL 1,2-DICHLOROBENZENE BQL BQL BQL BQL 470.0 1,2-DICHLOROETHANE BQL BQL BQL BQL 1,2-DICHLOROPROPANE BQL BQL BQL BQL 1,4-DICHLOROBENZENE BQL BQL BQL BQL 100.0 1,4-DIOXANE BQL BQL BQL BQL 2-BUTANONE BQL BQL BQL BQL 160,000.0 2-HEXANONE BQL BQL BQL BQL 4-METHYL-2-PENTANONE BQL BQL BQL BQL 26,000.0 ACETONE BQL BQL BQL BQL 2,000.0 ACRYLONITRILE BQL BQL BQL BQL BENZENE BQL BQL BQL BQL BROMOCHLOROMETHANE BQL BQL BQL BQL BROMODICHLOROMETHANE BQL BQL BQL BQL BROMOFORM BQL BQL BQL BQL BROMOMETHANE BQL BQL BQL BQL CARBON DISULFIDE BQL BQL BQL BQL CARBON TETRACHLORIDE BQL BQL BQL BQL CHLOROBENZENE BQL BQL BQL BQL 140.0 CHLOROETHANE BQL BQL BQL BQL CHLOROFORM BQL BQL BQL BQL CHLOROMETHANE BQL BQL BQL BQL CIS-1,2-DICHLOROETHENE BQL BQL BQL BQL CIS-1,3-DICHLOROPROPENE BQL BQL BQL BQL 12.0 DIBROMOCHLOROMETHANE BQL BQL BQL BQL DIBROMOMETHANE BQL BQL BQL BQL ETHYLBENZENE BQL BQL BQL BQL 97.0 IODOMETHANE BQL BQL BQL BQL METHYLENE CHLORIDE BQL BQL BQL BQL STYRENE BQL BQL BQL BQL TETRACHLOROETHENE BQL BQL BQL BQL TOLUENE BQL BQL BQL BQL 11.0 TOTAL XYLENES BQL BQL BQL BQL 670.0 TRANS-1,2-DI CHLOROETHENE BQL BQL BQL BQL TRANS-1,3-DI CHLOROPROPENE BQL BQL BQL BQL 12.0 TRANS- 1,4-DICHLORO-2-BUTENE BQL BQL BQL BQL TRICHLOROETHENE BQL BQL BQL BQL TRICHLOROFLUOROMETHANE BQL BQL BQL BQL VINYL ACETATE BQL BQL BQL BQL VINYL CHLORIDE BQL BQL BQL BQL Notes: • All results in parts per billion (ppb) • BQL - Below Method Detection Limit • * - Standard not established • ` Shaded cells denote concentrations that equal or exceed 2B Standards RuthCent_0620 TABLE 17 NOTIFICATION TABLE CONSTITUENTS DETECTED AT OR ABOVE GROUNDWATER STANDARDS CENTRAL SANITARY LANDFILL (# 81-03) RUTHERFORD COUNTY, NORTH CAROLINA JUNE 2-11. 2020 Parameters Well Number 15A NCAC 2L Standard for Class NC Groundwater Protection 8103-MW-2 8103-MW-3 8103-MW4 8103-MW-6 8103-MW-7 8103-MW-8 8103-MW-9 8103-MW-10B 8103-MW-10C 8103-MW-10D 8103-MW-11A 8103-MW-11B 8103-MW-12 8103-MW-13 8103-MW-14 8103-MW-15 GAGroundwater Standard ALUMINUM 17,700.0 3,500.0 CHROMIUM 0.8 11.4 '22.5 16.4 10.0 ' COBALT 1.18 = =1.31 = 24,70 - 6.03 = - &05 - 12.1= 22,1 13.7 = =10.1 5.23 7.9 = - 9.02 1.0 IRON 921.0 2,080.0 8,790.0 706.0 4,290.0 8,010.0 4,890.0 695.0 13,300.0 300.0 ' MANGANESE 330.0 4,440.0 1,920.0 496.0 50.0 ' TDS • 691,,000.0 500,000.0 ' THALLIUM 9.51 6.72 5.04 0.28 VANADIUM 0.74 1.30 7.10 1.08 26.50 1.66 0.58 11.20 24.50 0.87 47.10 2.15 4.20 2.66 33.00 ' 0.3 1,2-DICHLOROPROPANE 11:2 0.6 ' 1,4-DICHLOROBENZENE 6.3 6.0 ' 1,4-DIOXANE 68.5 50.8 4.1 3.0 ' BENZENE 1.0 1.2 1.0 ' NAPHTHALENE 10.2 :. 6.0 ' TETRACHLOROETHENE 0.9 0.7 ' VINYL CHLORIDE 1 1 0.7 1 1 1 0.4 1 0.3 1 1 0.03 ' Notes: • All results in parts per billion (ppb) • ' - Standard not established • Shaded cells denote concentrations that equal or exceed 2L or Groundwater Protection Standards RuthCeM_0620 TABLE18 NOTIFICATION TABLE CONSTITUENTS DETECTED AT OR ABOVE SURFACE WATER STANDARDS CENTRAL SANITARY LANDFILL (#81-03) RUTHERFORD COUNTY, NORTH CAROLINA JUNE 2-11, 2020 NO CONSTITUENTS EXCEEDED 2B STANDARDS Parameter Sample Location 15A NCAC 213 Standard for Class B,C Surface Water 8103-SW-2 8103-SW-3 8103-SW-4 8103-SW-5 Notes: • All results in parts per billion (ppb) • * - Standard not established • Shaded cells denote concentrations that equal or exceed 2B Standards or Action Levels • �11 - Action Level • NS - Not sampled. Dry location RuthCent_0620 RUTHERFORD COUNTY CENTRAL LANDFILL WATER QUALITY MEASUREMENT FORM Well I.D. 8103-MW-2 Depth to Top/Bottom of Screen (ft) 50.00/60.00 Date June 11, 2020 Depth to Pump Intake (ft) 56.00 Time Depth to Water Purge Rate ml/min Volume Purged liters/gallons Temperature °C Specific Cond. us/cm pH ORP mV DO mg/I Turbidity NTU Comments 0929 32.35 378.5 20.09 57.0 6.61 116.0 0.79 121.0 0939 33.42 378.5 3.79/1.00 16.58 44.0 7.76 77.0 0.00 182.0 0949 33.62 378.5 7.57/2.00 16.50 45.0 8.14 80.0 0.00 177.0 0959 33.75 378.5 11.36/3.00 16.47 45.0 8.29 83.0 0.00 144.0 1009 33.80 378.5 15.14/4.00 16.55 44.0 8.38 85.0 0.00 106.0 1019 33.82 378.5 18.93/5.00 16.49 44.0 8.40 89.0 0.00 37.6 1029 33.80 378.5 32.71 /6.00 16.79 44.0 8.41 89.0 0.00 16.1 1039 33.81 378.5 26.50/7.00 17.20 43.0 8.44 88.0 0.00 0.0 1049 33.90 378.5 30.28/8.00 - - - - - - 1059 33.95 378.5 34.08/9.00 16.92 43.0 8.37 94.0 0.00 11.2 1109 34.00 378.5 37.85/10.00 16.86 43.0 8.41 91.0 0.00 0.0 water samples collected @ 1109 1150 - 300 - - - - - 1210 - 6.00/1.59 hydrogen sample collected @ 1210 Note: All depths measured from top of casing RUTHERFORD COUNTY CENTRAL LANDFILL WATER QUALITY MEASUREMENT FORM Well I.D. 8103-MW-4 Depth to Top/Bottom of Screen (ft) 41.31/51.31 Date June 8, 2020 Depth to Pump Intake (ft) 46.00 Time Depth to Water Purge Rate ml/min Volume Purged liters/gallons Temperature °C Specific Cond. us/cm pH ORP mV DO mg/I Turbidity NTU Comments 1318 29.46 946.4 15.61 231.0 6.58 86.0 1.55 156.0 1328 31.05 946.4 9.46/2.50 14.74 207.0 6.29 107.0 0.05 74.8 1338 31.28 946.4 18.93/5.00 14.70 213.0 6.22 114.0 0.00 91.5 1348 31.37 946.4 28.39/7.50 14.66 215.0 6.22 117.0 0.00 41.6 1358 31.45 946.4 37.85/10.00 14.65 216.0 6.13 123.0 0.00 15.2 1408 31.37 946.4 47.32/12.50 14.66 215.0 6.11 126.0 0.00 72.8 water samples collected @ 1408 1430 - 300.0 - - - - - - 1450 - 6.00/1.59 hydrogen sample collected @ 1450 Note: All depths measured from top of casing * Flow cell pH malfunction - pH determined by back up meter. RUTHERFORD COUNTY CENTRAL LANDFILL WATER QUALITY MEASUREMENT FORM Well I.D. 8103-MW-6 Depth to Top/Bottom of Screen (ft) 23.97/38.97 Date June 9, 2020 Depth to Pump Intake (ft) 36.00 Time Depth to Water Purge Rate ml/min Volume Purged liters/gallons Temperature °C Specific Cond. us/cm pH ORP mV DO mg/I Turbidity NTU Comments 1120 26.93 593.0 19.70 679.0 6.64 -3.0 1.77 87.2 1130 27.12 593.0 5.93/1.57 17.40 683.0 6.46 -38.0 0.00 0.0 1140 27.20 593.0 11.86/3.13 17.31 693.0 6.45 -43.0 0.00 0.0 1150 27.30 593.0 17.79/4.70 17.22 701.0 6.44 -45.0 0.00 0.0 1200 27.32 593.0 23.72/6.27 17.33 702.0 6.46 -47.0 0.00 0.0 1210 27.32 593.0 29.65/7.83 17.44 702.0 6.46 -48.0 0.00 0.0 water samples collected @ 1210 1240 - 300 - - - - - - 1300 - 6.00/1.59 hydrogen sample collected @ 1300 LE Note: All depths measured from top of casing * Flow cell pH malfunction - pH determined by back up meter. RUTHERFORD COUNTY CENTRAL LANDFILL WATER QUALITY MEASUREMENT FORM Well I.D. 8103-MW-8 Depth to Top/Bottom of Screen (ft) 31.95/46.95 Date June 10, 2020 Depth to Pump Intake (ft) 45.00 Time Depth to Water Purge Rate ml/min Volume Purged liters/gallons Temperature °C Specific Cond. us/cm pH ORP mV DO mg/I Turbidity NTU Comments 1028 34.76 416.4 20.62 131.0 6.29 170.0 2.90 0.0 1038 35.03 416.4 4.16/1.10 16.92 109.0 5.88 179.0 1.43 3.1 1048 35.10 416.4 8.33/2.20 16.57 118.0 5.82 186.0 1.29 41.3 1058 35.15 416.4 12.49/3.30 16.41 125.0 5.85 188.0 1.21 32.6 1108 35.13 416.4 16.66/4.40 16.25 128.0 5.83 191.0 1.36 26.2 1118 35.17 416.4 20.82/5.50 16.41 129.0 5.78 196.0 1.40 11.7 1120 - 416.4 21.65/5.72 - - - - - - water samples collected @ 1120 1200 300 1220 - 6.00/1.59 hydrogen sample collected @ 1220 Note: All depths measured from top of casing * Flow cell pH malfunction - pH determined by back up meter. RUTHERFORD COUNTY CENTRAL LANDFILL WATER QUALITY MEASUREMENT FORM Well I.D. 8103-MW-9 Depth to Top/Bottom of Screen (ft) 24.78/39.78 Date June 10, 2020 Depth to Pump Intake (ft) 38.00 Time Depth to Water Purge Rate ml/min Volume Purged liters/gallons Temperature °C Specific Cond. us/cm pH ORP mV DO mg/I Turbidity NTU Comments 1309 28.27 643.5 17.51 72.0 3.85 293.0 0.74 11.6 1319 29.68 643.5 6.44/1.70 15.66 21.0 5.53 230.0 0.00 1.5 1329 30.77 643.5 12.87/3.40 15.37 18.0 5.44 235.0 0.00 0.0 1339 31.55 643.5 19.31 /5.10 15.34 17.0 5.40 234.0 0.00 0.0 1349 32.12 643.5 25.74/6.80 15.27 17.0 5.50 230.0 0.00 0.0 1350 - 643.5 26.38/6.97 - - - - - water samples collected @ 1350 1425 300 1445 - 6.00/1.59 hydrogen sample collected @ 1445 Note: All depths measured from top of casing Flow cell pH malfunction - pH determined by back up meter. RUTHERFORD COUNTY CENTRAL LANDFILL WATER QUALITY MEASUREMENT FORM Well I.D. 8103-MW-10D Depth to Top/Bottom of Screen (ft) 58.50/68.50 Date June 9, 2020 Depth to Pump Intake (ft) 60.00 Time Depth to Water Purge Rate ml/min Volume Purged liters/gallons Temperature °C Specific Cond. us/cm pH ORP mV DO mg/I Turbidity NTU Comments 1410 7.69 946.4 18.03 192.0 6.74 97.0 5.17 0.0 1420 9.60 946.4 9.46/2.50 15.60 188.0 6.44 98.0 0.79 0.0 1430 9.63 946.4 18.93/5.00 15.56 165.0 6.04 90.0 0.00 0.0 1440 9.36 946.4 28.39/7.50 15.55 163.0 5.95 91.0 0.00 0.0 1450 9.40 946.4 37.85/10.00 15.55 162.0 5.92 90.0 0.00 0.0 1500 9.34 946.4 47.32/12.50 15.29 162.0 5.87 93.0 0.00 0.0 1510 9.37 946.4 56.78/15.00 15.07 161.0 5.84 95.0 0.00 0.0 water samples collected @ 1510 1540 - 300 - - - - - - 1600 - 6.00/1.59 hydrogen sample collected @ 1600 Note: All depths measured from top of casing * Flow cell pH malfunction - pH determined by back up meter. RUTHERFORD COUNTY CENTRAL LANDFILL WATER QUALITY MEASUREMENT FORM Well I.D. 8103-MW-11A Depth to Top/Bottom of Screen (ft) 36.79/46.79 Date June 8, 2020 Depth to Pump Intake (ft) 40.00 Time Depth to Water Purge Rate Volume Purged liters/gallons Temperature °C Specific Cond. us/cm pH ORP mV DO mg/I Turbidity NTU Comments 1035 7.40 794.9 15.45 529.0 7.60 6.0 3.49 196.0 1045 10.51 794.9 7.95/2.10 14.53 486.0 6.46 -13.0 0.13 82.5 1055 10.81 794.9 15.90/4.20 14.52 478.0 6.20 -4.0 0.00 29.7 1105 10.87 794.9 23.85/6.30 14.50 472.0 6.14 -2.0 0.00 2.8 1115 10.63 794.9 31.80/8.40 14.57 467.0 6.11 1.0 0.00 0.0 1125 10.92 794.9 39.75/10.50 14.54 465.0 6.10 2.0 0.00 0.0 1135 11.01 794.9 47.70/12.60 14.54 463.0 6.08 3.0 0.00 0.0 1145 11.01 794.9 55.65/14.70 14.53 464.0 6.06 5.0 0.00 0.0 1150 - 794.9 59.62/15.75 - - - - - - water samples collected @ 1150 1215 300 1235 - 6.00/1.59 hydrogen sample collected @ 1235 Note: All depths measured from top of casing SCARLETT GEOPHYSICAL CONSULTING, P.C. GROUNDWATER SAMPLING FIELD DATA Location Rutherford County Central Source/Well 8103-MW-2 Locked: Yes X No PVC X Steel Stainless Steel Measuring point description: Top of PVC Casing_ Water Level and Well Data 1) Depth to water from measuring point 2) Depth to well bottom from measuring point 3) Height of water column (h) Well Purging and Sample Collection 1) Purge Method 2) Sample Method 3) Volume of water in well V well .... (v = 0.041 x h) X 2" well .... (v = 0.163 x h) 4" well .... (v = 0.651 x h) 6" well .... (v = 1.5 x h) 4) Volume of water removed prior to sampling 5) Was well purged DRY? Field Analysis 1) Temperature 2) Specific Conductance 3) pH 4) ORP 5) DO 6) Turbidity 7) Physical Appearance and Odor Purge Date June 11, 2020 Purge Time 0929 to 1109 Sample Date June 11, 2020 Sample Time 1109 Sampled by E. W. Scarlett Weather Mostly cloudy, 740F 3 2.3 5 ft. 60.08 ft. 27.73 ft. Pneumatic Pump Pneumatic Pump 4.52 gal. 10.0 gal. YES NO X 16.86°C 43.0 µmhos/cm 8.41 91 mV 0.00 mg/l 0.0 NTU Slightly cry, no odor Note: Hydrogen sampled @ 1210 SCARLETT GEOPHYSICAL CONSULTING, P.C. GROUNDWATER SAMPLING FIELD DATA Location Rutherford County Central Source/Well 8103-MW-3 Locked: Yes X No PVC X Steel Stainless Steel Measuring point description: Top of PVC Casing_ Water Level and Well Data 1) Depth to water from measuring point 2) Depth to well bottom from measuring point 3) Height of water column (h) Well Purging and Sample Collection 1) Purge Method 2) Sample Method 3) Volume of water in well V well .... (v = 0.041 x h) X 2" well .... (v = 0.163 x h) 4" well .... (v = 0.651 x h) 6" well .... (v = 1.5 x h) 4) Volume of water removed prior to sampling 5) Was well purged DRY? Field Analysis 1) Temperature 2) Specific Conductance 3) pH 4) Physical Appearance and Odor Purge Date June 4, 2020 Purge Time 0900 to 0930 Sample Date June 4, 2020 Sample Time 1000 Sampled by E. W. Scarlett Weather Cloudy, 74°F 30.43 ft. 47.66 ft. 17.23 ft. Pneumatic Pump Pneumatic Pump 2.81 gal. 10.0+ gal. YES NO X 16.9°C 1002 µmhos/cm 6.41 Slightly, cry, reddish tan, no odor SCARLETT GEOPHYSICAL CONSULTING, P.C. GROUNDWATER SAMPLING FIELD DATA Location Rutherford County Central Source/Well 8103-MW-4 Locked: Yes X No PVC X Steel Stainless Steel Measuring point description: Top of PVC Casing_ Water Level and Well Data 1) Depth to water from measuring point 2) Depth to well bottom from measuring point 3) Height of water column (h) Well Purging and Sample Collection 1) Purge Method 2) Sample Method 3) Volume of water in well V well .... (v = 0.041 x h) X 2" well .... (v = 0.163 x h) 4" well .... (v = 0.651 x h) 6" well .... (v = 1.5 x h) 4) Volume of water removed prior to sampling 5) Was well purged DRY? Field Analysis 1) Temperature 2) Specific Conductance 3) pH 4) ORP 5) DO 6) Turbidity 7) Physical Appearance and Odor Purge Date June 8, 2020 Purge Time 1318 to 1408 Sample Date June 8, 2020 Sample Time 1408 Sampled by E. W. Scarlett Weather Cloudy, 82°F 29.46 ft. 51.31 ft. 21.85 ft. Pneumatic Pump Pneumatic Pump 3.56 gal. 12.5 gal. YES NO X 14.66°C 215 µmhos/cm 6.11 126 mV 0.00 mg/l 72.8 NTU Cloudy, gray, septic odor Note: Hydrogen sampled @ 1450 SCARLETT GEOPHYSICAL CONSULTING, P.C. GROUNDWATER SAMPLING FIELD DATA Location Rutherford County Central Source/Well 8103-MW-6 Locked: Yes X No PVC X Steel Stainless Steel Measuring point description: Top of PVC Casing_ Water Level and Well Data 1) Depth to water from measuring point 2) Depth to well bottom from measuring point 3) Height of water column (h) Well Purging and Sample Collection 1) Purge Method 2) Sample Method 3) Volume of water in well V well .... (v = 0.041 x h) X 2" well .... (v = 0.163 x h) 4" well .... (v = 0.651 x h) 6" well .... (v = 1.5 x h) 4) Volume of water removed prior to sampling 5) Was well purged DRY? Field Analysis 1) Temperature 2) Specific Conductance 3) pH 4) ORP 5) DO 6) Turbidity 7) Physical Appearance and Odor Purge Date June 9, 2020 Purge Time 1120 to 1210 Sample Date June 9, 2020 Sample Time 1210 Sampled by E. W. Scarlett Weather Cloudy, 75°F 26.93 ft. 38.97 ft. 12.04 ft. Pneumatic Pump Pneumatic Pump 2.96 gal. 7.8 gal. YES NO X 17.44°C 702 µmhos/cm 6.46 -48 mV 0.00 mg/l 0.0 NTU Cloudy, gray, fetid odor Note: Hydrogen sampled @ 1300 SCARLETT GEOPHYSICAL CONSULTING, P.C. GROUNDWATER SAMPLING FIELD DATA Location Rutherford County Central Source/Well 8103-MW-7 Locked: Yes X No PVC X Steel Stainless Steel Measuring point description: Top of PVC Casing_ Water Level and Well Data 1) Depth to water from measuring point 2) Depth to well bottom from measuring point 3) Height of water column (h) Well Purging and Sample Collection 1) Purge Method 2) Sample Method 3) Volume of water in well V well .... (v = 0.041 x h) X 2" well .... (v = 0.163 x h) 4" well .... (v = 0.651 x h) 6" well .... (v = 1.5 x h) 4) Volume of water removed prior to sampling 5) Was well purged DRY? Field Analysis 1) Temperature 2) Specific Conductance 3) pH 4) Physical Appearance and Odor Purge Date June 2, 2020 Purge Time 1445 to 1515 Sample Date June 3, 2020 Sample Time 0815 Sampled by E. W. Scarlett Weather Sunny, 79°F 31.10 ft. 56.19 ft. 25.09 ft. Teflon Bailer Teflon Bailer 4.09 gal. 7.8 gal. YES X NO 15.9°C 996 µmhos/cm 6.61 Slightly cloudy, no odor SCARLETT GEOPHYSICAL CONSULTING, P.C. GROUNDWATER SAMPLING FIELD DATA Location Rutherford County Central Source/Well 8103-MW-8 Locked: Yes X No PVC X Steel Stainless Steel Measuring point description: Top of PVC Casing_ Water Level and Well Data 1) Depth to water from measuring point 2) Depth to well bottom from measuring point 3) Height of water column (h) Well Purging and Sample Collection 1) Purge Method 2) Sample Method 3) Volume of water in well V well .... (v = 0.041 x h) X 2" well .... (v = 0.163 x h) 4" well .... (v = 0.651 x h) 6" well .... (v = 1.5 x h) 4) Volume of water removed prior to sampling 5) Was well purged DRY? Field Analysis 1) Temperature 2) Specific Conductance 3) pH 4) ORP 5) DO 6) Turbidity 7) Physical Appearance and Odor Purge Date June 10, 2020 Purge Time 1028 to 1120 Sample Date June 10, 2020 Sample Time 1120 Sampled by E. W. Scarlett Weather Cloudy, 78°F 34.76 ft. 46.95 ft. 12.19 ft. Pneumatic Pump Pneumatic Pump 1.99 gal. 5.7 gal. YES NO X 16.41°C 129 µmhos/cm 5.78 196 mV 1.40 mg/1 11.7 NTU Slightly silty, tan, no odor Note: Hydrogen sampled @ 1220 SCARLETT GEOPHYSICAL CONSULTING, P.C. GROUNDWATER SAMPLING FIELD DATA Location Rutherford County Central Source/Well 8103-MW-9 Locked: Yes X No PVC X Steel Stainless Steel Measuring point description: Top of PVC Casing_ Water Level and Well Data 1) Depth to water from measuring point 2) Depth to well bottom from measuring point 3) Height of water column (h) Well Purging and Sample Collection 1) Purge Method 2) Sample Method 3) Volume of water in well V well .... (v = 0.041 x h) X 2" well .... (v = 0.163 x h) 4" well .... (v = 0.651 x h) 6" well .... (v = 1.5 x h) 4) Volume of water removed prior to sampling 5) Was well purged DRY? Field Analysis 1) Temperature 2) Specific Conductance 3) pH 4) ORP 5) DO 6) Turbidity 7) Physical Appearance and Odor Purge Date June 10, 2020 Purge Time 1309 to 1350 Sample Date June 10, 2020 Sample Time 1350 Sampled by E. W. Scarlett Weather Cloudy, 78°F 28.27 ft. 3 9.7 8 ft. 11.51 ft. Pneumatic Pump Pneumatic Pump 1.88 gal. 7.0 gal. YES NO X 15.27°C 17.0 umhos/cm 5.50 230 mV 0.00 mg/l 0.0 NTU Clear, no odor Note: Hydrogen sampled @ 1445 SCARLETT GEOPHYSICAL CONSULTING, P.C. GROUNDWATER SAMPLING FIELD DATA Location Rutherford County Central Purge Date June 9, 2020 Source/Well 8103-MW-10A Purge Time - to = Locked: Yes X No _ Sample Date NS PVC X Steel _ Stainless Steel _ Sample Time NS Measuring point description: Sampled by NS Top of PVC Casing_ Weather Partly Cloudy, 860F Water Level and Well Data 1) Depth to water from measuring point 4.87 f t. 2) Depth to well bottom from measuring point 103.50 ft. 3) Height of water column (h) 98.63 ft. Well Purging and Sample Collection 1) Purge Method - 2) Sample Method - 3) Volume of water in well V well .... (v = 0.041 x h) X 2" well .... (v = 0.163 x h) - gal. 4" well .... (v = 0.651 x h) 6" well .... (v = 1.5 x h) 4) Volume of water removed prior to sampling gal. 5) Was well purged DRY? YES _ NO Field Analysis l ) Temperature 2) Specific Conductance 3) pH 4) Physical Appearance and Odor NS — Not Sampled Note: Well not used for sample collection. See text. SCARLETT GEOPHYSICAL CONSULTING, P.C. GROUNDWATER SAMPLING FIELD DATA Location Rutherford County Central Source/Well 8103-MW-10B Locked: Yes X No PVC X Steel Stainless Steel Measuring point description: Top of PVC Casing_ Water Level and Well Data 1) Depth to water from measuring point 2) Depth to well bottom from measuring point 3) Height of water column (h) Well Purging and Sample Collection 1) Purge Method 2) Sample Method 3) Volume of water in well V well .... (v = 0.041 x h) X 2" well .... (v = 0.163 x h) 4" well .... (v = 0.651 x h) 6" well .... (v = 1.5 x h) 4) Volume of water removed prior to sampling 5) Was well purged DRY? Field Analysis 1) Temperature 2) Specific Conductance 3) pH 4) Physical Appearance and Odor Purge Date June 9, 2020 Purge Time 1505 to 1520 Sample Date June 9, 2020 Sample Time 1605 Sampled by E. W. Scarlett Weather Partly Cloudy, 860F 7.40 ft. 3 8.6 5 ft. 3 1.3 5 ft. Teflon Bailer Teflon Bailer 5.09 gal. 7.2 gal. YES X NO 16.4°C 162.9 µmhos/cm 5.97 Slightly cloudy, tan, no odor SCARLETT GEOPHYSICAL CONSULTING, P.C. GROUNDWATER SAMPLING FIELD DATA Location Rutherford County Central Source/Well 8103-MW-10C Locked: Yes X No PVC X Steel Stainless Steel Measuring point description: Top of PVC Casing_ Water Level and Well Data 1) Depth to water from measuring point 2) Depth to well bottom from measuring point 3) Height of water column (h) Well Purging and Sample Collection 1) Purge Method 2) Sample Method 3) Volume of water in well V well .... (v = 0.041 x h) X 2" well .... (v = 0.163 x h) 4" well .... (v = 0.651 x h) 6" well .... (v = 1.5 x h) 4) Volume of water removed prior to sampling 5) Was well purged DRY? Field Analysis 1) Temperature 2) Specific Conductance 3) pH 4) Physical Appearance and Odor Purge Date June 9, 2020 Purge Time 1435 to 1452 Sample Date June 9, 2020 Sample Time 1505 Sampled by E. W. Scarlett Weather Partly Cloudy, 860F 7.18 f t. 17.69 ft. 10.51 ft. Teflon Bailer Teflon Bailer 1.71 gal. 5.1 gal. YES NO X 16.2°C 80.2 µmhos/cm 6.44 Cloudv. reddish -tan. no odor SCARLETT GEOPHYSICAL CONSULTING, P.C. GROUNDWATER SAMPLING FIELD DATA Location Rutherford County Central Source/Well 8103-MW-10D Locked: Yes X No PVC X Steel Stainless Steel Measuring point description: Top of PVC Casing_ Water Level and Well Data 1) Depth to water from measuring point 2) Depth to well bottom from measuring point 3) Height of water column (h) Well Purging and Sample Collection 1) Purge Method 2) Sample Method 3) Volume of water in well V well .... (v = 0.041 x h) X 2" well .... (v = 0.163 x h) 4" well .... (v = 0.651 x h) 6" well .... (v = 1.5 x h) 4) Volume of water removed prior to sampling 5) Was well purged DRY? Field Analysis 1) Temperature 2) Specific Conductance 3) pH 4) ORP 5) DO 6) Turbidity 7) Physical Appearance and Odor Purge Date June 9, 2020 Purge Time 1410 to 1510 Sample Date June 9, 2020 Sample Time 1510 Sampled by E. W. Scarlett Weather Partly Cloudy, 86°F 7.69 ft. 6 8.5 0 ft. 60.81 ft. Pneumatic Pump Pneumatic Pump 9.91 gal. 15.0 gal. YES NO X 15.07°C 161 umhos/cm 5.84 95 mV 0.00 mg/l 0.0 NTU Clear, no odor Note: Hydrogen sampled @ 1600 SCARLETT GEOPHYSICAL CONSULTING, P.C. GROUNDWATER SAMPLING FIELD DATA Location Rutherford County Central Source/Well 8103-MW-11A Locked: Yes X No PVC X Steel Stainless Steel Measuring point description: Top of PVC Casing_ Water Level and Well Data 1) Depth to water from measuring point 2) Depth to well bottom from measuring point 3) Height of water column (h) Well Purging and Sample Collection 1) Purge Method 2) Sample Method 3) Volume of water in well V well .... (v = 0.041 x h) X 2" well .... (v = 0.163 x h) 4" well .... (v = 0.651 x h) 6" well .... (v = 1.5 x h) 4) Volume of water removed prior to sampling 5) Was well purged DRY? Field Analysis 1) Temperature 2) Specific Conductance 3) pH 4) ORP 5) DO 6) Turbidity 7) Physical Appearance and Odor Purge Date June 8, 2020 Purge Time 1035 to 1150 Sample Date June 8, 2020 Sample Time 1150 Sampled by E. W. Scarlett Weather Cloudy, 76°F 7.40 ft. 46.79 ft. 3 9.3 9 ft. Pneumatic Pump Pneumatic Pump 6.42 gal. 15.8 gal. YES NO X 14.53°C 464 µmhos/cm 6.06 5 mV 0.00 mg/l 0.0 NTU Slightly cloudy, gray, no odor Note: Hydrogen sampled @ 1235 SCARLETT GEOPHYSICAL CONSULTING, P.C. GROUNDWATER SAMPLING FIELD DATA Location Rutherford County Central Source/Well 8103-MW-11B Locked: Yes X No PVC X Steel Stainless Steel Measuring point description: Top of PVC Casing_ Water Level and Well Data 1) Depth to water from measuring point 2) Depth to well bottom from measuring point 3) Height of water column (h) Well Purging and Sample Collection 1) Purge Method 2) Sample Method 3) Volume of water in well V well .... (v = 0.041 x h) X 2" well .... (v = 0.163 x h) 4" well .... (v = 0.651 x h) 6" well .... (v = 1.5 x h) 4) Volume of water removed prior to sampling 5) Was well purged DRY? Field Analysis 1) Temperature 2) Specific Conductance 3) pH 4) Physical Appearance and Odor Purge Date June 8, 2020 Purge Time 1120 to 1130 Sample Date June 8, 2020 Sample Time 1140 Sampled by E. W. Scarlett Weather Cloudy, 76°F 8.91 ft. 21.40 ft. 12.49 ft. Teflon Bailer Teflon Bailer 2.04 gal. 6.1 gal. YES NO X 15.7°C 351 µmhos/cm 5.95 Silty, tan, no odor SCARLETT GEOPHYSICAL CONSULTING, P.C. GROUNDWATER SAMPLING FIELD DATA Location Rutherford County Central Source/Well 8103-MW-12 Locked: Yes X No PVC X Steel Stainless Steel Measuring point description: Top of PVC Casing_ Water Level and Well Data 1) Depth to water from measuring point 2) Depth to well bottom from measuring point 3) Height of water column (h) Well Purging and Sample Collection 1) Purge Method 2) Sample Method 3) Volume of water in well V well .... (v = 0.041 x h) X 2" well .... (v = 0.163 x h) 4" well .... (v = 0.651 x h) 6" well .... (v = 1.5 x h) 4) Volume of water removed prior to sampling 5) Was well purged DRY? Field Analysis 1) Temperature 2) Specific Conductance 3) pH 4) Physical Appearance and Odor Purge Date June 3, 2020 Purge Time 1030 to 1050 Sample Date June 3, 2020 Sample Time 1130 Sampled by E. W. Scarlett Weather Sunny, 79°F 2 8.5 8 ft. 52.35 ft. 23.77 ft. Teflon Bailer Teflon Bailer 3.87 gal. 11.6 gal. YES NO X 16.4°C 729 µmhos/cm 6.65 Silty, tan -gray, fetid odor SCARLETT GEOPHYSICAL CONSULTING, P.C. GROUNDWATER SAMPLING FIELD DATA Location Rutherford County Central Source/Well 8103-MW-13 Locked: Yes X No PVC X Steel Stainless Steel Measuring point description: Top of PVC Casing_ Water Level and Well Data 1) Depth to water from measuring point 2) Depth to well bottom from measuring point 3) Height of water column (h) Well Purging and Sample Collection 1) Purge Method 2) Sample Method 3) Volume of water in well V well .... (v = 0.041 x h) X 2" well .... (v = 0.163 x h) 4" well .... (v = 0.651 x h) 6" well .... (v = 1.5 x h) 4) Volume of water removed prior to sampling 5) Was well purged DRY? Field Analysis 1) Temperature 2) Specific Conductance 3) pH 4) Physical Appearance and Odor Note: Duplicate @ 1400 Purge Date June 2, 2020 Purge Time 1215 to 1245 Sample Date June 2, 2020 Sample Time 1315 Sampled by E. W. Scarlett Weather Sunny, 79°F 73.96 ft. 90.10 ft. 16.14 ft. Teflon Bailer Teflon Bailer 2.63 gal. 7.9 gal. YES NO X 17.7°C 223 µmhos/cm 5.96 Silty, gray, no odor SCARLETT GEOPHYSICAL CONSULTING, P.C. GROUNDWATER SAMPLING FIELD DATA Location Rutherford County Central Source/Well 8103-MW-14 Locked: Yes No X PVC X Steel Stainless Steel Measuring point description: Top of PVC Casing_ Water Level and Well Data 1) Depth to water from measuring point 2) Depth to well bottom from measuring point 3) Height of water column (h) Well Purging and Sample Collection 1) Purge Method 2) Sample Method 3) Volume of water in well V well .... (v = 0.041 x h) X 2" well .... (v = 0.163 x h) 4" well .... (v = 0.651 x h) 6" well .... (v = 1.5 x h) 4) Volume of water removed prior to sampling 5) Was well purged DRY? Field Analysis 1) Temperature 2) Specific Conductance 3) pH 4) Physical Appearance and Odor Purge Date June 3, 2020 Purge Time 1210 to 1230 Sample Date June 3, 2020 Sample Time 1430 Sampled by E. W. Scarlett Weather Sunny, 840F 18.65 ft. 3 4.8 0 ft. 16.15 ft. Teflon Bailer Teflon Bailer 2.63 gal. 7.9 gal. YES NO X 17.0°C 220.6 µmhos/cm 5.93 Muddy, tan, no odor SCARLETT GEOPHYSICAL CONSULTING, P.C. GROUNDWATER SAMPLING FIELD DATA Location Rutherford County Central Source/Well 8103-MW-15 Locked: Yes X No PVC X Steel Stainless Steel Measuring point description: Top of PVC Casing_ Water Level and Well Data 1) Depth to water from measuring point 2) Depth to well bottom from measuring point 3) Height of water column (h) Well Purging and Sample Collection 1) Purge Method 2) Sample Method 3) Volume of water in well V well .... (v = 0.041 x h) X 2" well .... (v = 0.163 x h) 4" well .... (v = 0.651 x h) 6" well .... (v = 1.5 x h) 4) Volume of water removed prior to sampling 5) Was well purged DRY? Field Analysis 1) Temperature 2) Specific Conductance 3) pH 4) Physical Appearance and Odor Purge Date June 3, 2020 Purge Time 1310 to 1325 Sample Date June 3, 2020 Sample Time 1330 Sampled by E. W. Scarlett Weather Sunny, 87°F 26.40 ft. 39.96 ft. 13.56 ft. Teflon Bailer Teflon Bailer 2.21 gal. 6.6 gal. YES NO X 15.5°C 158.7 µmhos/cm 6.62 Cloudv. tan. no odor SCARLETT GEOPHYSICAL CONSULTING, P.C. GROUNDWATER SAMPLING FIELD DATA Location Rutherford County Central Source/Well 8103-MW-16 Locked: Yes X No PVC X Steel Stainless Steel Measuring point description: Top of PVC Casing_ Water Level and Well Data 1) Depth to water from measuring point 2) Depth to well bottom from measuring point 3) Height of water column (h) Well Purging and Sample Collection 1) Purge Method 2) Sample Method 3) Volume of water in well 1" well .... (v = 0.041 x h) X 2" well .... (v = 0.163 x h) 4" well .... (v = 0.651 x h) 6" well .... (v = 1.5 x h) 4) Volume of water removed prior to sampling 5) Was well purged DRY? Field Analysis l) Temperature 2) Specific Conductance 3) pH 4) Physical Appearance and Odor Note: No measurable recharge in 3 hours. Purge Date Junel 1, 2020 Purge Time 1300 to 1305 Sample Date - Sample Time - Sampled by E. W. Scarlett Weather Mostly Cloudy, 78°F 39.00 ft. 46.00 ft. 7.00 ft. Teflon Bailer Teflon Bailer 1.14 gal. 1.0 gal. YES X NO - °C - µmhos/cm Chocolate brown, very muddy, no odor SCARLETT GEOPHYSICAL CONSULTING, P.C. SURFACE WATER SAMPLING FIELD DATA Location Rutherford County Central Source/Well 8103-SW-2 Sampled by E. W. Scarlett Field Analysis s 1) Temperature 2) Specific Conductance 3) pH 4) Physical Appearance and Odor Sample Date June 2, 2020 Time 1000 Weather Sunny, 71IF 15.7°C 121.3 µmhos/cm 7.44 Slight Haze, no odor SCARLETT GEOPHYSICAL CONSULTING, P.C. SURFACE WATER SAMPLING FIELD DATA Location Rutherford County Central Source/Well 8103-SW-3 Sampled by E. W. Scarlett Field Anal 1) Temperature 2) Specific Conductance 3) pH 4) Physical Appearance and Odor Sample Date June 2, 2020 Time 1600 Weather Sunny, 82°F 19.5°C 69.8 µmhos/cm 7.46 Clear, no odor SCARLETT GEOPHYSICAL CONSULTING, P.C. SURFACE WATER SAMPLING FIELD DATA Location Rutherford County Central Source/Well 8103-SW-4 Sampled by E. W. Scarlett Field Anal 1) Temperature 2) Specific Conductance 3) pH 4) Physical Appearance and Odor Sample Date June 2, 2020 Time 1130 Weather Sunny, 75°F 16.5°C 47.4 µmhos/cm 7.40. Clear, no odor SCARLETT GEOPHYSICAL CONSULTING, P.C. SURFACE WATER SAMPLING FIELD DATA Location Rutherford County Central Source/Well 8103-SW-5A Sampled by E. W. Scarlett Field Anal 1) Temperature 2) Specific Conductance 3) pH 4) Physical Appearance and Odor Sample Date June 2, 2020 Time 1015 Weather Sunny, 71°F 15.8°C 69.0 µmhos/cm 6.73 Slight Haze, no odor 113 RESEARCh & ANAlyTICAI. LABORATORIES, INC. CHAIN OF CUSTODY RECORD Analytical / Process Consultations Phone 1336) 996-2841 'vb/ 7? J PLER NAME (PLEAS,E PRINT) PHHONE SAMPLER SI TURE1719 DATE TIME COUP GRAY TEMP RESw 'C CI Ivu1n ryaYG SAMPLE TIDNf LD. W c p p p Q p P w Q� p Q • Q Q • .�� - REQUESTED ANALYSIS fYll�-/2 - _ G-3 DATEMIVIE RECEIVED BY ( ti BY I(DA5E1I0 SAMPLE TEMPERATURE AT RECEIPT C�. ^C RESEARCH & ANA1yTICAL I AhORATORIES, INC. Analytical / Process Consultations Phone [336) 996-2841 CHAIN OF CUSTODY RECORD WATER I WASTEWATER I MISC. COMP _5Y / JOB NOO.. i i O z m o• 5 v 5�mmym �o"m�� or m� OP 1 � rytiy p Z• y Q4 00 \= O} Off' p• Co. 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C ,Avi / / rm C STATE, ZI O✓,� A/ ,, / NG S� 4 eS mac/ .2%� PHONE 9�9• �S1-i23� SAMP 'LE NUMBER USE ONLY) UATE TIME COYP GRAB TEMP RES CKMNE�mmo 'C CI �wwx (Y.NI R.vq BY DATE/TIME I RECEIVED BY up /10 SAMPLE CHAIN OF CUSTODY RECORD P' "e O p Q• moo' °�.� AP � � � po of F Q, p Q• Q• y• Lu ro tih ^� REQUESTED ANALYSIS I�151I I SAMPLE TEMPERATURE AT RECEIPT. °C RESEARCh & ANA1yTICA[ LAbORATO&S, INC. Analytical / Process Consultations Phone (336) 998-2841 CHAIN OF CUSTODY RECORD / m MENEM mrmm ME I SEINE ENmEEEEEE w E■ NEON EEESEE on MUM pmle m■EEEE _ MEMOMon E■■ MMPMMMMMM No ON so MONEEMM NE■■EEEEEE■Eton —_—SEEN-- ...........NINE �EE■ENEM N■N■N■■E■ENMINE �EE■ONE= EENE MEMO ■NN■I■E MOM EMISSIONS EE■■■■N■■N■NEE■ �EE■EE■EE ■■■■N■NENN■■INN �EEEEEEEE ■■E■NN■■■E■ENE■ �MMEEE■EE ■■E■E■NENNENONE E■EE■EE EE■NN■EN■EN■I■N MMEMEME EEEN■N mom ENE■E■ �E=OMEN== ■■■N NONE NNNOMEN �E=NONE== IN ONEEE■EEI■E • .: •RECEIVED- . 11 .. IN BY RESEARCh & ANA[yTICAI LAboRATOOES, INC. Analytical / Process Consultations Phone (3361 996-2841 JOB oe>/ rp % it/G SAMPLER NAME (PLEAS gg PRINT) �• 2 72 c- Tim PHONE SAMPLER SI TURE 9i9- V32-12.7L s DATE TIME CGYP GRAB CI y.m N 'C CI SAMPLE TN)NILD. oi IvaM 19aW1 DATWIME I RECEIVED BY ;- S ✓w REMARKS: CHAIN OF CUSTODY RECORD REQUESTED ANALYSIS ��C 7 SAMPLE TEMPERATURE AT RECEIPT. � -C RESEARCh & ANAIYACAI LAbORATO&S, INC. CHAIN OF CUSTODY RECORD Analytical / Process Consultations Phone (3361 996-2841 va/ -f2 / � , ' `�/C 2 ;72 J FLER NAME(PLEAS PRINT-)r— � �G�4iyIe `Qm Zv O• ,ar - 2� ` PHONE C J Y SAMPLER SI TURE •20 �00{� OV` '�� a �'t 20 �' 9i9--1z DATE TIME COUP GRAB TEMP RES raNl j °C CI ryuaa vN7 sAMPLEL ATU)NILD. g v acS- �� Q• G Q• Q• Q• `�' ry ry ry .� y� REQUESTED ANALYSIS DATE/TIME I RECEIVED BY S REMARKS: TEMPERATURE AT RECEIPT RESEARCh & ANA[yTICA[ LAbORATOOES, INC. Analytical / Process Consultations Phone 1336) 996-2841 Cq 2 si STREET Ap45:OS P ECT �/ Or di /YA C4 CITY. STATE, Zlp / A/C SAMPL R NAME (PLEASgg PRINT) 4J meet' Jim CONTA PHONE SAMPLER SI TURE SAMPLE NUMBER /LAB USE ONIYI DATE I TIME 61IPIGRABITEM RES CKOPoNE RE ....... DATER,ME I RECEIVED BY c- 51 BY CHAIN OF CUSTODY RECORD 1 .� O� 0�, o z hry� b w w J• ,v y'-0 REQUESTED ANALYSIS SAMPLE RESEARCh & ANA1yTICA[ LAbORATORIES, INC. Analytical / Process Consultations Phone (336) 996-2841 VMTNY J iT JOB NO. �'✓e s� /va/ REETARQRrS ��L [CONT�A PRgJECT Ku TY, STATE, ZI SAMPL R NAME (PLEAS PRINT) rc PHONE SAMPLER slnunn iwa 8 DATE I TIME DATE/TIME I RECEIVED BY u 0 d z REMARKS: CHAIN OF CUSTODY RECORD REQUESTED ANALYSIS SAMPLE TEMPERATURE AT RECEIPT RESEARCh & ANA[yTICA[ LAbORATORIES, INC. Analytical / Process Consultations Phone 1336) 996-2841 CHAIN OF CUSTODY RECORD �OEM ■■■■ME _ , , - 11■M■M■■■■■■■■■■ �i■■■■■■■ "■■o■■■■■■■■■■■■ MENEOEN OEM _�_■■OMNo■■ �■■osom Monsoonmom ■■■ ■m■■ Emmons ME Monson ■=MEMO ��Emmons��■n� m■■■�� ON on on��■�■�E�E ■■1010�� ■■� NOmmom ■E■n■■■■s■s■ ■■m _■■■■■ ME soon son MMEMEMM■ ■■�■■■■■■ ■■■sn■■■Mons■■RELINQUI,WD BY RELINQUISHED : ,. RESEARCh & ANAlyTICAI LABORATORIES, INC. Analytical / Process Consultations Phone (336) 996-2641 JOB NO. /. va/ STREET AppJtS PRq,IECT �! D�di %Yu c u (' CITY, STATE, ZI // SAMPL R NAME (PLEAS PRINT) �RJ S'�ar TJ� CONTA PHONE snow co nr_unr,e� — es 5mm s�s2-/z YSAMPLENUMBER E nE(LABUSEONLY) ATE TIME Is.m SAMPLE TIONILD. i �I o /zv Rio nrui sr BY DATE/TIME RECEIVED BY 4*50-- /, ry Ins oC CHAIN OF CUSTODY RECORD REQUESTED ANALYSIS RESEARCh & ANA1yTICA[ LAbORATO&S, INC. Analytical / Process Consultations Phone (3361 996-2841 Ob AIG DATE I TIME DATEMME 1 RECEIVED BY ,_ /O in �I ISAMPLETEMPERATUREATRECEIPT -1 I °C CHAIN OF CUSTODY RECORD REQUESTED ANALYSIS RESEARCh & ANA1yTICA[ LAbORATORIES, INC. Analytical / Process Consultations Phone (336) 996-2641 CHAIN OF CUSTODY RECORD - • ®cc��/ '��Nr��l"ell■■■■■■ ,soonson �■■�■■■■■■■ ■■■■■■■■■■■■■■■ ■■■■■■■■ ■■■moon■■■■■■■■ ■■■■■■■■■■■■■■■ _�_■■■■■■■■ ■■soon■■■■■■■■■ _�_■■■■■■■■ ■ MENEM �sssonssssss■is ■�■■■■■■■■ ■■■■■■■■■■■■■■■ ■■■■■■■■ No on ■■■ ■■■■■■■■ on on 10010110■■■■■■■■ on no 10010110■■■■■■■■ ■■■■son ■■■■■■■■ MNO11M■■■■■■■■ ■■■■■■■■■■■■■■■ MMOIIM■■■■■■■■ ■■■■moon■■■■■■■ ■■ MEN ■■■ ■■■■■■■■■■■■■■■ M�■ SOMME :nnnnnnnnnno:nn RESEARCh & ANA YTkAt UbORATORIES, INC. Analytical/Process Consultations �,N�►rrr►rrq� mc; 61SN-N, Quality Control ffimun y Results for Project Identified as Rutherford Central (A Scarlett Geophysical Project, 02-11 June 2020) __orgsewbca. Ppendks 1 A eter Prep.' Bunk 1CV Recovery % _ CCV Recovery % LCS _ Recovery % Spike Recovery % % Difference Aluminum BDL 98 102 98 103 1 99 100 Antimony BDL 101 100 108 103 <1 g091 100 Arsenic BDL 100 100 105 102 <1 g0�1 99 Barium BDL 102 101 107 100 <1 103 101 101 Beryllium BDL 97 102 96 90 3 95 98 Cadmium BDL 101 101 107 103 1 1 D2 101 Chromium BDL 101 102 103 95 3 105 00 102 Cobalt BDL 104 101 107 101 <1 103 00 101 Copper BDL 104 103 110 101 3 10i 102 Lead BDL 106 102 110 103 <1 104 102 Nickel BDL 104 101 107 100 <1 104 101 102 Selenium BDL 98 101 103 100 <1 102 100 Silver BDL 91 100 101 96 5 980 99 Thallium BDL 110 103 105 107 1 104 102 Vanandium BDL 101 102 102 95 3 103 102 inc BDL 102 101 103 99 <1 10� 103 Mercury BDL 97 100 105 100 1 108 Iron BDL 98 102 115 100 <1 98 100 Manganese BDL 102 101 104 92 3 98 100 in BDL 106 103 111 106 2 106 104 Corresponding Samples: 83073-01-83081-01, 83188-01-83191-01, 83335-01-83340-01, 83433-01 % = Percent 1CV = Initial Calibration Verification CCV = Continuing Calibration Verification LCS = Laboratory Control Sample N/A = Not Available * Post Spike RESEARCh & ANA1yTICA1 LABORATORIES, INC. Analytical/Process Consultations Ouality Control Summary Results for Proiect Idendried as Rutherford Central to Scarlett GeoDhvsical Proiect. 02-11 June 2020) ftiNS11% N tic �a+ Inorgaaies ppendix:I Parameter Prep. Blank- ' l upJL) 1CV Recovery % CCV Recovery 0(s LCS .. Recovery No Spike Recovery Na . % Difference COD BDL 97 97 93 100 <1 92 OD BDL 106 N/A 108 N/A 8 Sulfide BDL 97 99 100 100 3 99 AJkalinity BDL 100 N/A 96 96 <1 Chloride BDL 100 104 100 104 4 102 hate -Nitrogen BDL 101 97 95 99 <1 Sulfate BDL 105 104 104 97 3 105 TOC BDL 101 103 104 100 <1 104 TDS BDL 106 N/A 99 N/A 3 CO2 N/A N/A N/A N/A N/A 2 Cyanide BDL 100 104 96 99 <1 96 96 Corresponding Samples: 83073-01-83074-01, 83076-01-83081-01, 83190-01-83191-01, 83335-01, 83338-01-83340-01, 83433-01 /o = Percent CV = Initial Calibration Verification Post Spike CV = Continuing Calibration Verification CS = Laboratory Control Sample /A = Not Available 0A10C Summary METHOD: 8260/6200B 5/10/20/50/500/1000 PPB QC I FILE NAME: WQC0612 CLIENT: SCARLETT GEOPHYSICAL (PROJECT: RUTBERFORD CENTRAL: # 1.001) Sample ID: 83074-015 83078-01, 83079-01, 83080-01, 83081-01 INSTUMENT: MS-2 Page 1 of 2 Extraction Method NIA Date Extracted NIA Weight Extracted 25ML Final Extract Volume 25ML Date Analyzed 06/12/20 % Surrogate Recovery 95 100 105 Acceptance Range (70-130) (70-130) 1 (70-130) LCS Acceptance Range MS MSD RPD QC LIMITS Compound MDL Method LCS % %Rec. %Rec. RPD % REC ug/L Blank Recovery DICHLORODIFLUOROMETHANE 0.12 ND 97 70-130 CHLOROMETHANE 0.07 ND 88 70-13 0 VINYL CHLORIDE 0.11 ND 101 70-130 BROMOMETHANE 0.18 ND 98 70-130 CHLOROETHANE 0.11 ND 110 70-130 TRICHLOROFLUOROMETHANE 0.09 ND 101 70-130 ACETONE 1.18 ND 94 70-130 ACRYLONITRILE 12.38 ND 98 70-130 2-BUTANONE 0.88 ND 95 70-130 1,1-DICHLOROETHENE 0.09 ND 97 70-130 81 89 9 14 70-130 METHYL IODIDE 0.19 ND 114 70-130 CARBON DISULFIDE 0.45 ND 100 70-130 METHYLENE CHLORIDE 0.57 ND 92 70-130 TRANS-I,2-DICHLOROETHENE 0.10 ND 98 70-130 1,1-DICHLOROETHANE 0.17 ND 100 70-130 ISOPROPYL ETHER(1PE) 0.12 ND 97 70-130 METHYL-TERT-BUTYL ETHER(MTBE) 0.16 ND 98 70-130 VINYL ACETATE 0.24 ND 92 70-130 CIS-1,2-DICHLOROETHENE 0.09 ND 100 70-130 2,2-DICHLOROPROPANE 0.09 ND 98 70-130 BROMOCHLOROMETHANE 0.12 ND 104 70-130 CHLOROFORM 0.05 ND 100 70-130 1,1,1-TRICHLOROETHANE 0.12 ND 101 70-130 CARBON TETRACHLORIDE 0.10 ND 100 70-130 l,l-DICHLOROPROPENE 0.12 ND 100 70-130 BENZENE 0.05 ND 104 70-130 92 102 10 11 70-130 ETHYL ACETATE 0.35 ND 95 70-130 1,2-DICHLOROETHANE 0.09 ND 103 70-130 TRICHLOROETHENE(TCE) 0.12 ND 99 70-130 84 96 12 14 70-130 1,2-DICHLOROPROPANE 0.10 ND 101 70-130 DIBROMOETHANE 0.25 ND 105 70-130 COMMENTS: QAIQC Summaty Method: 8260/6200B(5/10/20/50/500/1000 PPBQQZ IFILE NAME: WQC0612 Page 2 of 2 CLIENT: SCARLETT GEOPHYSICAL (PROJECT: RUTHERFORD CENTRAL: # 1.001) SAMPLE ID: 83074-01, 83078-019 83079-01183080-0L 83 081-01 LCS Acceptr ange MS MSD RPD QC LIMITS Compound MDL Method LCS % RPD % REC ug/L Blank Recovery % Rec. % Rec. BROMODICHLOROMETHANE 0.07 ND 106 70-130 4-METHYL-2-PENTANONE 1.01 ND 108 70-130 CIS-1,3-DICHLOROPROPENE 0.10 ND 109 70-130 TOLUENE 0.26 ND 108 70-130 93 105 12 13 70-130 TRANS-I,3-DICHLOROPROPENE 0.12 ND 111 70-130 1,1,2-TRICHLOROETHANE 0.20 ND 109 70-130 TETRACHLOROETHENE(PCE) 0.17 ND 102 70-130 2-HEXANONE 1.42 ND 112 70-130 DIBROMOCHLOROMETHANE 0.07 ND 107 70-130 1,3-DICHLOROPROPANE 0.13 ND 101 70-130 1,2-DIBROMOETHANE(EDB) 0.15 ND 108 70-130 CHLOROBENZENE 0.10 ND 105 70-130 92 101 10 13 70-130 1,1,1,2-TETRACHLOROETHANE 0.10 ND 110 70-130 ETHYLBENZENE 0.07 ND 110 70-130 TOTAL XYLENES(M&P, O) 0.29 ND ill 70-130 STYRENE 0.04 ND 115 70-13 0 BROMOFORM 0.29 ND 113 70-130 ISOPROPYLBENZENE 0.08 ND 115 70-130 BROMOBENZENE 0.07 ND 110 70-130 1,2,3-TRICHLOROPROPANE 0.11 ND 105 70-130 TRANS-I,4-DICHLORO-2-BUTENE 0.52 ND 112 70-130 N-PROPYLBENZENE 0.08 ND 110 70-130 2-CHLOROTOLUENE 0.10 ND 114 70-130 4-CHLOROTOLUENE 0.09 ND 112 70-130 1,3,5-TRIMETHYLBENZENE 0.07 ND 112 70-130 TERT-BUTYLBENZENE 0.08 ND 114 70-130 1,2,4-TRIMETHYLBENZENE 0.07 ND 110 70-130 SEC-BUTYLBENZENE 0.12 ND 113 70-130 1,3-DICHLOROBENZENE 0.12 ND 113 70-130 1,1,2,2-TETRACHLOROETHANE 0.08 ND 112 70-130 P-ISOPROPYLTOLUENE 0.09 ND 114 70-130 1,4-DICHLOROBENZENE 0.08 ND 104 70-130 1,2-DICHLOROBENZENE 0.09 ND 106 70-130 N-BUTYLBENZENE 0.10 ND 107 70-130 1,2-DI3ROMO-3-CHLOROPROPANE(DPCP) 0.49 ND 114 70-130 1,2,4-TRICHLOROBENZENE 0.47 ND 107 70-130 NAPHTHALENE 0.18 ND 113 70-130 1,2,3-TRICHLOROBENZENE 0.18 ND 112 70-130 COMMENTS: QAIQCSummary METHOD: 8260/6200B 5/10/20/50/500/1000 PPB C FILE NAME: WQC0615 CLIENT: SCARLETT GEOPHYSICAL (PROJECT: RUTHERFORD CENTRAL: # 1.001) Sample ID: 83073-01, 83075-0L 83076-01, 73 077-01, 83 082-01 INSTUMENT: MS-2 Page 1 of 2 Extraction Method NIA Date Extracted NIA Weight Extracted 25ML Final Extract Volume 25ML Date Analyzed 06/15/20 % Surrogate Recovery 98 1 101 1 102 Acceptance Range (70-130) (70-130) 1 (70-130) LCS Acceptance Range MS MSD RPD QC LIMITS Compound MDL Method LCS % %Rec. %Rec. RPD % REC ug/L Blank Recovery DICHLORODIFLUOROMETHANE 0.12 ND 83 70-130 CHLOROMETHANE 0.07 ND 78 70-130 VINYL CHLORIDE 0.11 ND 96 70-130 BROMOMETHANE 0.18 ND 90 70-130 CHLOROETHANE 0.11 ND 101 70-130 TRICHLOROFLUOROMETHANE 0.09 ND 96 70-130 ACETONE 1.18 ND 91 70-130 ACRYLONITRILE 12.38 ND 90 70-130 2-BUTANONE 0.88 ND 88 70-130 I,1-DICHLOROETHENE 0.09 ND 91 70-130 82 84 2 14 70-130 METHYL IODIDE 0.19 ND 106 70-130 CARBON DISULFIDE 0.45 ND 96 70-130 METHYLENE CHLORIDE 0.57 ND 86 70-130 TRANS-I,2-DICHLOROETHENE 0.10 ND 91 70-130 1,1-DICHLOROETHANE 0.17 ND 95 70-130 ISOPROPYL ETHER(IPE) 0.12 ND 89 70-130 METHYLrTERT-BUTYL ETHER(MTBE) 0.16 ND 94 70-130 VINYL ACETATE 0.24 ND 91 70-130 CIS-1,2-DICHLOROETHENE 0.09 ND 97 70-130 2,2-DICHLOROPROPANE 0.09 ND 92 70-130 BROMOCHLOROMETHANE 0.12 ND 95 70-130 CHLOROFORM 0.05 ND 97 70-130 I,I,I-TRICHLOROETHANE 0.12 ND 98 70-130 CARBON TETRACHLORIDE 0.10 ND 93 70-130 I,1-DICHLOROPROPENE 0.12 ND 96 70-130 BENZENE 0.05 ND 95 70-130 91 97 6 11 70-130 ETHYL ACETATE 0.35 ND 88 70-13 0 1,2-DICHLOROETHANE 0.09 ND 103 70-130 TRICHLOROETHENE(TCE) 0.12 ND 92 70-130 83 85 3 14 70-130 1,2-DICHLOROPROPANE 0.10 ND 95 70-130 DIBROMOETHANE 0.25 ND 95 70-130 COMMENTS: QAIQCSummary Method: 8260/6200B 5/10/20/50/500/1000 PPB QQ IFILE NAME: WQC0615 Page 2 of 2 CLIENT: SCARLETT GEOPHYSICAL (PROJECT: RUTHERFORD CENTRAL: # 1.001) SAMPLE ID: 83073-019 83075-019 83076-01, 73077-019 83082-01 MS MSD RPD QC LIMITS Compound MDL Method LCS RPD % REC ug/L Blank Recovery %Rec. %Rec. BROMODICHLOROMETHANE 0.07 ND 100 70-130 4-METHYL-2-PENTANONE 1.01 ND 94 70-130 CIS-1,3-DICHLOROPROPENE 0.10 ND 102 70-130 TOLUENE 0.26 ND 99 70-130 91 95 4 13 70-130 TRANS-I,3-DICHLOROPROPENE 0.12 ND 105 70-130 1,1,2-TRICHLOROETHANE 0.20 ND 98 70-130 TETRACHLOROETHENE(PCE) 0.17 ND 95 70-130 2-HEXANONE 1.42 ND 100 70-130 DIBROMOCHLOROMETHANE 0.07 ND 98 70-130 1,3-DICHLOROPROPANE 0.13 ND 92 70-130 1,2-DIBROMOETHANE(EDB) 0.15 ND 95 70-130 CHLOROBENZENE 0.10 ND 94 70-130 91 96 6 13 70-130 1,1,1,2-TETRACHLOROETHANE 0.10 ND 103 70-130 ETHYLBENZENE 0.07 ND 101 70-130 TOTAL XYLENES(M&P, 0) 0.29 ND 105 70-130 STYRENE 0.04 ND 107 70-130 BROMOFORM 0.29 ND 106 70-130 ISOPROPYLBENZENE 0.08 ND 105 70-130 BROMOBENZENE 0.07 ND 101 70-130 1,2,3-TRICHLOROPROPANE 0.11 ND 109 70-130 TRANS-I,4-DICHLORO-2-BUTENE 0.52 ND 97 70-130 N-PROPYLBENZENE 0.08 ND 103 70-130 2-CHLOROTOLUENE 0.10 ND 107 70-130 4-CHLOROTOLUENE 0.09 ND 105 70-130 1,3,5-TRIMETHYLBENZENE 0.07 ND 107 70-130 TERT-BUTYLBENZENE 0.08 ND 104 70-130 1,2,4-TRIMETHYLBENZENE 0.07 ND 102 70-130 SEC-BUTYLBENZENE 0.12 ND 102 70-130 1,3-DICHLOROBENZENE 0.12 ND 103 70-130 1,1,2,2-TETRACHLOROETHANE 0.08 ND 106 70-130 P-ISOPROPYLTOLUENE 0.09 ND 103 70-130 1,4-DICHLOROBENZENE 0.08 ND 99 70-130 1,2-DICHLOROBENZENE 0.09 ND 99 70-130 N-BUTYLBENZENE 0.10 ND 100 70-130 1,2-DIBROMO-3-CHLOROPROPANE(DPCP) 0.49 ND 118 70-130 1,2,4-TRICHLOROBENZENE 0.47 ND 94 70-130 NAPHTHALENE 0.18 ND 99 70-130 1,2,3-TRICHLOROBENZENE 0.18 ND 96 70-130 COMMENTS: 0A10C Summary METHOD: 8260/6200B 5/10/20/50/500/1000 PPB C FILE NAME: WQC0616 CLIENT: SCARLETT GEOPHYSICAL (PROJECT: RUTHERFORD CENTRAL: # 1.001) Sample ID: 83188-01, 83189-019 83190-01, 83191-019 83335-019 83336-019 83337-013, 83338-019 83339-01 INSTUMENT: MS-2 Page 1 of 2 Extraction Method NIA Date Extracted NIA Weight Extracted 25ML Final Extract Volume 25ML Date Analyzed 06/16/20 % Surrogate Recovery 109 100 103 Acceptance Range (70-130) (70-130) (70-130) LCS Acceptance Range MS MSD RPD QC LIMITS Compound MDL Method LCS % %Rec. %Rec. RPD % REC ug/L Blank Recovery DICHLORODIFLUOROMETHANE 0.12 ND 79 70-130 CHLOROMETHANE 0.07 ND 84 70-130 VINYL CHLORIDE 0.11 ND 97 70-130 BROMOMETHANE 0.18 ND 96 70-130 CHLOROETHANE 0.11 ND 106 70-130 TRICHLOROFLUOROMETHANE 0.09 ND 102 70-130 ACETONE 1.18 ND 100 70-130 ACRYLONITRILE 12.38 ND 101 70-130 2-BUTANONE 0.88 ND 98 70-130 1,1-DICHLOROETHENE 0.09 ND 99 70-130 91 93 2 14 70-130 METHYL IODIDE 0.19 ND 120 70-130 CARBON DISULFIDE 0.45 ND 104 70-130 METHYLENE CHLORIDE 0.57 ND 92 70-130 TRANS-I,2-DICHLOROETHENE 0.10 ND 100 70-130 1,1-DICHI ROETHANE 0.17 ND 101 70-130 ISOPROPYL ETHER(IPE) 0.12 ND 108 70-130 METHYL-TERT-BUTYL En ER(MTBE) 0.16 ND 119 70-130 VINYL ACETATE 0.24 ND 105 70-130 CIS-1,2-DICHLOROETHENE 0.09 ND 100 70-130 2,2-DICHLOROPROPANE 0.09 ND 99 70-130 BROMOCHLOROMETHANE 0.12 ND 97 70-130 CHLOROFORM 0.05 ND 103 70-130 1,1,1-TRICHLOROETHANE 0.12 ND 104 70-130 CARBON TETRACHLORIDE 0.10 ND 103 70-130 1,1-DICHLOROPROPENE 0.12 ND 100 70-130 BENZENE 0.05 ND 98 70-130 100 104 3 11 70-130 ETHYL ACETATE 0.35 ND 98 70-130 1,2-DICHLOROETHANE 0.09 ND 108 70-130 TRICHLOROETHENE(TCE) 0.12 ND 86 70-130 81 84 3 14 70-130 1,2-DICHLOROPROPANE 0.10 ND 87 70-130 DBROMOETHANE 0.25 ND 86 70-130 COMMENTS: QAIQCSummary Method: 8260/6200B(5/10/20/50/500/1000 PPB QC) FILE NAME: WQC0616 Page 2 of 2 CLIENT: SCARLETT GEOPHYSICAL (PROJECT: RUTHERFORD CENTRAL: # 1.001) SAMPLE ID: 83188-01, 83189-01, 83190-015 83191-01, 83335-01, 83336-01, 83337-01183338-01, 83339-01 MS MSD RPD QC LIMITS Compound DL ME Method LCS % RPD % REC ug/L Blank Recovery % Rec. % Rec. BROMODICHLOROMETHANE 0.07 ND 88 70-130 4-METHYL-2-PENTANONE 1.01 ND 98 70-130 CIS-1,3-DICHLOROPROPENE 0.10 ND 94 70-130 TOLUENE 0.26 ND 91 70-130 91 91 0 13 70-130 TRANS-I,3-DICHLOROPROPENE 0.12 ND 96 70-130 1,1,2-TRICHLOROETHANE 0.20 ND 90 70-130 TETRACHLOROETHENE(PCE) 0.17 ND 89 70-130 2-HEXANONE 1.42 ND 99 70-130 DIBROMOCHLOROMETHANE 0.07 ND 92 70-130 1,3-DICHLOROPROPANE 0.13 ND 90 70-130 1,2-DIBROMOETHANE(EDB) 0.15 ND 92 70-130 CHLOROBENZENE 0.10 ND 91 70-130 86 89 3 13 70-130 1,1,1,2-TETRACHLOROETHANE 0.10 ND 93 70-130 ETHYLBENZENE 0.07 ND 93 70-130 TOTAL XYLENES(M&P, 0) 0.29 ND 95 70-13 0 STYRENE 0.04 ND 98 70-130 BROMOFORM 0.29 ND 92 70-130 ISOPROPYLBENZENE 0.08 ND 96 70-130 BROMOBENZENE 0.07 ND 90 70-130 1,2,3-TRICHLOROPROPANE 0.11 ND 91 70-130 BANS-I,4-DICHLORO-2-BUTENE 0.52 ND 114 70-130 N-PROPYLBENZENE 0.08 ND 94 70-130 2-CHLOROTOLUENE 0.10 ND 98 70-130 4-CHLOROTOLUENE 0.09 ND 99 70-130 1,3,5-TRIMETHYLBENZENE 0.07 ND 96 70-130 ERT-BUTYLBENZENE 0.08 ND 98 70-130 1,2,4-TRIMETHYLBENZENE 0.07 ND 96 70-130 SEC-BUTYLBENZENE 0.12 ND 98 70-130 1,3-DICHLOROBENZENE 0.12 ND 95 70-130 1,1,2,2-TETRACHLOROETHANE 0.08 ND 89 70-130 P-ISOPROPYLTOLUENE 0.09 ND 99 70-130 1,4-DICHLOROBENZENE 0.08 ND 89 70-130 1,2-DICHLOROBENZENE 0.09 ND 93 70-130 N-BUTYLBENZENE 0.10 ND 98 70-130 1,2-DIBROMO-3-CHLOROPROPANE(DPCP) 0.49 ND 121 70-130 1,2,4-TRICHLOROBENZENE 0.47 ND 88 70-130 NAPHTHALENE 0.18 ND 96 70-130 1,2,3-TRICHLOROBENZENE 0.18 ND 92 70-130 COMMENTS: QAIQC Summary METHOD: 8260/6200B 5/10/20/50/500/1000 PPB QC I FILE NAME: WLC0617 CLIENT: SCARLETT GEOPHYSICAL (PROJECT: RUTHERFORD CENTRAL: # 1.001) Sample ID: 83340-019 83433-01 INSTUMENT: MS-2 Page 1 of 2 Extraction Method NIA Date Extracted NIA Weight Extracted 25ML Final Extract Volume 25ML Date Analyzed 06/17/20 % Surrogate Recovery 117 100 101 Acceptance Range (70-130) (70-130) 1 (70-130) LCS Acceptance Range MS MSD RPD QC LIMITS Compound MDL Method LCS % % Rec. % Rec. RPD % REC ug/L Blank Recove DICHLORODIFLUOROMETHANE 0.12 ND 76 70-130 CHLOROMETHANE 0.07 ND 86 70-130 VINYL CHLORIDE 0.11 ND 93 70-130 BROMOMETHANE 0.18 ND 93 70-130 CHLOROETHANE 0.11 ND 107 70-130 TRICHLOROFLUOROMETHANE 0.09 ND 107 70-130 ACETONE 1.18 ND 116 70-130 ACRYLONITRILE 12.38 ND 113 70-130 2-BUTANONE 0.88 ND 111 70-130 1,1-DICHLOROETHENE 0.09 ND 100 70-130 87 89 2 14 70-130 METHYL IODIDE 0.19 ND 121 70-130 CARBON DISULFIDE 0.45 ND 102 70-130 METHYLENE CHLORIDE 0.57 ND 100 70-130 TRANS-I,2-DICHLOROETHENE 0.10 ND 102 70-130 1,1-DICHLOROETHANE 0.17 ND 103 70-130 ISOPROPYL ETHER(IPE) 0.12 ND 110 70-130 METHYL-TERT-BUTYL ETHER(MTBE) 0.16 ND 121 70-13 0 VINYL ACETATE 0.24 ND 107 70-130 CIS-1,2-DICHLOROETHENE 0.09 ND 100 70-130 2,2-DICHLOROPROPANE 0.09 ND 103 70-130 BROMOCHLOROMETHANE 0.12 ND 106 70-130 CHLOROFORM 0.05 ND 101 70-130 1,1,1-TRICHLOROETHANE 0.12 ND 108 70-130 CARBON TETRACHLORIDE 0.10 ND 107 70-130 1,1-DICHLOROPROPENE 0.12 ND 103 70-13 0 BENZENE 0.05 ND 101 70-130 99 101 2 11 70-130 ETHYL ACETATE 0.35 ND 111 70-130 1,2-DICHLOROETHANE 0.09 ND 112 70-130 TRICHLOROETHENE(TCE) 0.12 ND 86 70-130 83 80 4 14 70-130 1,2-DICHLOROPROPANE 0.10 ND 85 70-130 DIBROMOETHANE 0.25 ND 86 70-130 COMMENTS: 0A10C Summary Method: 8260/6200B(5/10/20/50/500/1000 PPB QC) FILE NAME: WLC0617 Page 2 of 2 CLIENT: SCARLETT GEOPHYSICAL (PROJECT: RUTHERFORD CENTRAL: # 1.001) SAMPLE ID: 83340-019 83433-01 LCS Acceptr ange MS MSD RPD QC LIMITS Compound MDL Method LCS % RPD % REC ug/L Blank Recovery % Rec. % Rec. BROMODICHLOROMETHANE 0.07 ND 87 70-130 4-METHYL-2-PENTANONE 1.01 ND 107 70-130 CIS-1,3-DICHLOROPROPENE 0.10 ND 88 70-130 TOLUENE 0.26 ND 95 70-130 90 85 5 13 70-130 TRANS-1,3-DTCHLOROPROPENE 0.12 ND 95 70-130 1,1,2-TRICHLOROETHANE 0.20 ND 90 70-130 TETRACHLOROETHENE(PCE) 0.17 ND 88 70-130 2-HEXANONE 1.42 ND ill 70-130 DIBROMOCHLOROMETHANE 0.07 ND 94 70-130 1,3-DICHLOROPROPANE 0.13 ND 83 70-130 1,2-DIBROMOETHANE(EDB) 0.15 ND 88 70-130 CHLOROBENZENE 0.10 ND 85 70-130 91 87 4 13 70-130 1,1,1,2-TETRACHLOROETHANE 0.10 ND 87 70-130 ETHYLBENZENE 0.07 ND 85 70-130 TOTAL XYLENES(M&P, 0) 0.29 ND 86 70-130 STYRENE 0.04 ND 91 70-130 BROMOFORM 0.29 ND 97 70-130 ISOPROPYLBENZENE 0.08 ND 88 70-130 BROMOBENZENE 0.07 ND 86 70-130 1,2,3-TRICHLOROPROPANE 0.11 ND 75 70-130 TRANS-I,4-DICHLORO-2-BUTENE 0.52 ND 103 70-130 N-PROPYLBENZENE 0.08 ND 86 70-130 2-CHLOROTOLUENE 0.10 ND 88 70-130 4-CHLOROTOLUENE 0.09 ND 86 70-130 1,3,5-TRIMETHYLBENZENE 0.07 ND 90 70-130 TERT-BUTYLBENZENE 0.08 ND 90 70-130 1,2,4-TRI ETHYLBENZENE 0.07 ND 89 70-130 SEC-BUTYLBENZENE 0.12 ND 92 70-130 1,3-DICHLOROBENZENE 0.12 ND 91 70-130 1,1,2,2-TETRACHLOROETHANE 0.08 ND 87 70-130 P-ISOPROPYLTOLUENE 0.09 ND 90 70-130 1,4-DICHLOROBENZENE 0.08 ND 89 70-130 1,2-DICHLOROBENZENE 0.09 ND 90 70-130 N-BUTYLBENZENE 0.10 ND 87 70-130 1,2-DIBROMO-3-CHLOROPROPANE(DPCP) 0.49 ND 102 70-130 1,2,4-TRICHLOROBENZENE 0.47 ND 91 70-130 NAPHTHALENE 0.18 ND 93 70-130 1,2,3-TRICHLOROBENZENE 0.18 ND 93 70-130 COMMENTS: QA/QC Summary Method: 8270/625 (100/200 PPB OCI, FILE NAME:WLC0608-MS1 Page 1 of 2 CLIENT:SCARLETT GEOPHYSICAL (PROJECT:RUTHERFORD CENTRAL) SAMPLE ID: 83073-01,83074-01,83075-01,83076-01,83077-01 Extraction Method 3510 Date Extracted 06/06/20 Weight Extracted 1L Final Extract Volume 1ML Date Analyzed 06/08/20 % Surrogate Recovery 64 43 78 90 85 85 Acceptance Range (5 - 77) (7 - 64) (29 -149) (12 -123) (10 -133) (20 -133) LCS Accept. Range MS MSD RPD QC LIMITS Compound MDL Method LCS % % Rec. % Rec. UG/L Blank Recovery' ecove RPD % REC N-Nitrosodimethylamine 0.970 ND 59 8-104 Bis(2-chloroethyl)ether 0.430 ND 83 45-111 Phenol 0.460 ND 45 D-76 31 33 9 42 12-110 2-Chlorophenol 0.300 ND 83 30-107 74 80 8 40 27-123 1,3-Dichlorobenzene 0.250 ND 75 48-90 1,4-Dichlorobenzene 0.200 ND 68 50-90 69 75 7 28 36-97 1,2-Dichlorobenzene 0.100 ND 73 50-93 Bis(2-chlomisopropyl)ether 0.380 ND 75 50-107 N-nitrosodi-n-propylamine 0.500 ND 79 47-111 69 75 8 38 41-116 Hexachloroethane 0.220 ND 73 36-90 2-Nitrophenol 0.670 ND 87 33-110 2,4-Dimethylphenol 1.550 ND 73 43-100 Nitrobenzene 0.500 ND 74 46-112 Isophorone 0.510 ND 76 50-104 Bis(2-chloroethoxy)methane 0.420 ND 74 49-105 2,4-Dichlorophenol 0.540 ND 79 33-108 1,2,4-Trichlorobenzene 0.560 ND 73 47-95 80 88 9 28 39-98 4-Chloro-3-methylphenol 1.830 ND 76 44-107 79 90 12 42 23-97 Naphthalene 0.710 ND 64 50-96 Hexachlorobutadiene 0.770 ND 71 24-100 2,4,6-Ttichlorophenol 0.540 ND 83 22-124 2-Methyl-4,6-Dinitrophenol 3.250 ND 78 16-115 4-Nitrophenol 6.670 ND 41 1-69 11 15 34 50 10-80 Hexachlorocyclopentadiene 0.970 ND 61 16-85 QA/QC Summary Method:8270/625 (100/200 PPB OC), I FILE NAME:WLC0608-MS1 Page 2 of 2 CLIENT:SCARLETT GEOPHYSICAL (PROJECT:RUTHERFORD CENTRAL) LCS Acceptr ange QC LIMiT5 Compound MDL Method LCS % MS % Rec. MSD % Rec. RPD UG/L Blank Recovery 2-Chloronaphthalene 0.420 ND 77 51-100 RPD %REC Dimethyl phthalate 0.400 ND 77 47-107 Acenaphthylene 0.150 ND 81 49-100 2,6-Dinitrotoluene 0.670 ND 77 49-106 Acenaphthene 0.280 ND 88 48-102 74 78 5 31 46-118 2,4-Dinitrotoluene 0.670 ND 83 50-106 70 75 7 38 24-96 Diethyl phthalate 0.820 ND 79 49-107 4-Chlorophenyl phenyl ether 0.730 ND 86 43-112 2,4-Dinitrophenol 4.190 ND 70 D-118 Pentachlorophenol 5.220 ND 90 15-123 39 41 5 50 9-103 N-Nitrosodiphenylamine 1.150 ND 77 35-121 4-Bromophenyl phenyl ether 0.670 ND 89 48-107 Hexachlorobenzene 0.390 ND 91 50-102 Phenanthrene 0.280 ND 89 42-105 Anthracene 0.200 ND 81 44-104 Di-N-Butyl phthalate 0.650 ND 76 44-111 Benzidine 3.370 ND 11 D-48 Pyrene 1.920 ND 89 39-107 72 88 21 31 26-127 Benzyl butyl phthalate 1.220 ND 80 39-116 Benzo(a)anthracene 0.380 ND 90 36-114 3,3-Dichlorobenzidine 5.050 ND 28 6-52 Chrysene 0.700 ND 90 45-99 Bis(2-ethyl-hexyl)phthalate 1.140 ND 84 30-134 Di-N-Octyl phthalate 0.740 ND 95 37-131 Benzo(b)fluomnthene 0.770 ND 96 49-107 Benzo(k)fluomnthene 0.600 ND 81 37-112 Benzo(a)pyrene 0.430 ND 83 49-105 Indeno(1,2,3-cd) pyrene 1.210 ND 89 38-122 Dibenzo(a,h)anthmcene 1.680 ND 88 43-118 Benzo(g,h,i)perylene 1.780 ND 85 42-119 N/A = Data Not Available * = FAILED QA/OC Summary Method: 8270/625 (100/200 PPB QC), FILE NAME:WLC0615-MS1 Page 1 of 2 CLIENT:SCARLETT GEOPHYSICAL (PROJECT:RUTHERFORD CENTRAL) SAMPLE ID: 83190-019 83191-01 Extraction Method 3510 Date Extracted 06i12i20 Weight Extracted 1L Final Extract Volume 1ML Date Analyzed 06/15/20 % Surrogate Recovery 68 45 86 89 84 85 Acceptance Range (5 - 77) (7 - 64) (29 -149) (12 -123 (10 -133) (20 -133) LCS Accept. Range MS MSD RPD QC LIMITS Compound MDL Method LCS % % Rec. % Rec. UG/L Blank Recove RPD % REC N-Nitrosodimethylamine 0.970 ND 66 8-104 Bis(2-chloroethyl)etlier 0.430 ND 96 45-111 Phenol 0.460 ND 48 D-76 35 36 4 42 12-110 2-Chlorophenol 0.300 ND 91 30-107 78 82 5 40 27-123 1,3-Dichlorobenzene 0.250 ND 83 48-90 1,4-Dichlorobenzene 0.200 ND 85 50-90 78 82 5 28 36-97 1,2-Dichlorobenzene 0.100 ND 85 50-93 Bis(2-chloroisopropyl)ether 0.380 ND 89 50-107 N-nitrosodi-n-propylamine 0.500 ND 88 47-111 79 84 5 38 41-116 Hexachloroethane 0.220 ND 84 36-90 2-Nitrophenol 0.670 ND 107 33-110 2,4-Dimethylphenol 1.550 ND 72 43-100 Nitrobenzene 0.500 ND 89 46-112 Isophorone 0.510 ND 81 50-104 Bis(2-chloroethoxy)methane 0.420 ND 83 49-105 2,4-Dichlorophenol 0.540 ND 90 33-108 1,2,4-Trichlorobenzene 0.560 ND 80 47-95 84 86 2 28 39-98 4-Chloro-3-methylphenol 1.830 ND 82 44-107 89 92 3 42 23-97 Naphthalene 0.710 ND 73 50-96 Hexachlorobutadiene 0.770 ND 80 24-100 2,4,6-Trichlorophenol 0.540 ND 98 22-124 2-Methyl-4,6-Dinitrophenol 3.250 ND 101 16-115 4-Nitrophenol 6.670 ND 50 1-69 21 23 7 50 10-80 Hexachlorocyclopentadiene 0.970 ND 77 16-85 QA/QC Summary Method:8270/625 100/200 PPB 00 FILE NAME:WLC0615-MS1 Page 2 of 2 CLIENT:SCARLETT GEOPHYSICAL ROJECT:RUTHERFORD CENTRAL) LCS Acceptr ange QC LINIITS Compound MDL Method LCS % MS %Rec. MSD % Rec. RPD UG/L Blank Recovery 2-Chloronaphthalene 0.420 ND 86 51-100 RPD %REC Dimethyl phthalate 0.400 ND 92 47-107 Acenaphthylene 0.150 ND 88 49-100 2,6-Dinitrotoluene 0.670 ND 86 49-106 Acenaphthene 0.280 ND 93 48-102 73 82 12 31 46-118 2,4-Dinitrotoluene 0.670 ND 97 50-106 73 83 12 38 24-96 Diethyl phthalate 0.820 ND 87 49-107 4-Chlorophenyl phenyl ether 0.730 ND 96 43-112 2,4-Dinitrophenol 4.190 ND 87 D-118 Pentachlorophenol 5.220 ND 101 15-123 21 25 18 50 9-103 N-Nitrosodiphenylamine 1.150 ND 95 35-121 4-Bromophenyl phenyl ether 0.670 ND 100 48-107 Hexachlorobenzene 0.390 ND 98 50-102 Phenanthrene 0.280 ND 96 42-105 Antlinicene 0.200 ND 103 44-104 Di-N-Butyl phthalate 0.650 ND 96 44-111 Benzidine 3.370 ND 4 D-48 Pyrene 1.920 ND 89 39-107 84 1 84 1 31 26-127 Benzyi butyl phthalate 1.220 ND 88 39-116 Benzo(a)anthracene 0.380 ND 100 36-114 3,3-Dichlorobenzidine 5.050 ND 37 6-52 Chrysene 0.700 ND 97 45-99 Bis(2-ethyl-hexyl)phthalate 1.140 ND 91 30-134 Di-N-Octyl phthalate 0.740 ND 87 37-131 Benzo(b)fluoranthene 0.770 ND 93 49-107 Benzo(k)fluomnthene 0.600 ND 68 37-112 Benzo(a)pyrene 0.430 ND 88 49-105 Indeno(1,2,3-cd) pyrene 1.210 ND 110 38-122 Dibenzo(a,h)anthracene 1.680 ND 110 43-118 Benzo(g,l►,i)perylene 1.780 ND 1 104 42-119 NIA = Data Not Available * = FAILED QA/QC Summary Method: 8270/625 (100/200 PPB QCZ FILE NAME:WLC0615-MS1 Page 1 of 2 CLIENT:SCARLETT GEOPHYSICAL (PROJECT:RUTHERFORD CENTRAL) SAMPLE ID: 83335-019 83339-0198340-01 Extraction Method 3510 Date Extracted 06/12/20 Weight Extracted 1L Final Extract Volume 1ML Date Analyzed 06/15/20 % Surrogate Recovery 68 1 45 1 86 89 84 85 Acceptance Range (5 - 77) (7 - 64) (29 -149) (12 -123) (10 -133) (20 -133) LCS Accept. MS MSD RPD C LIMITS Com ound p MDL Method LCS % % Rec. % Rec. UG/L Blank RecoveryRange RPD % REC N-Nitrosodimethylamine 0.970 ND 66 8-104 Bis(2-chloroethyl)ether 0.430 ND 96 45-111 Phenol 0.460 ND 48 D-76 35 36 4 42 12-110 2-Chlorophenol 0.300 ND 91 30-107 78 82 5 40 27-123 1,3-Diclilorobenzcne 0.250 ND 83 48-90 1,4-Dichlorobenzene 0.200 ND 85 50-90 78 82 5 28 36-97 1,2-Dichlorobenzene 0.100 ND 85 50-93 Bis(2-chloroisopropyl)etlher 0.380 ND 89 50-107 N-nitrosodi-n-propylamine 0.500 ND 88 47-111 79 84 5 38 41-116 Hexachloroethane 0.220 ND 84 36-90 2-Nitrophenol 0.670 ND 107 33-110 2,4-Dimethylphenol 1.550 ND 72 43-100 Nitrobenzene 0.500 ND 89 46-112 Isophorone 0.510 ND 81 50-104 Bis(2-chloroethoxy)methane 0.420 ND 83 49-105 2,4-Dichlorophenol 0.540 ND 90 33-108 1,2,4-Trichlorobenzene 0.560 ND 80 47-95 84 86 2 28 39-98 4-Chloro-3-methylphenol 1.830 ND 82 44-107 89 92 3 42 23-97 Naphthalene 0.710 ND 73 50-96 Hexachlorobutadicne 0.770 ND 80 24-100 2,4,6-Trichlorophenol 0.540 ND 98 22-124 2-Methyl-4,6-Dinitrophenol 3.250 ND 101 16-115 4-Nitrophenol 6.670 ND 50 1-69 21 23 7 50 10-80 Hexachlorocyclopentadiene 0.970 ND 77 16-85 QA/QC Summary Method: 8270/625 100/200 PPB QC FILE NAME:WLC0615-MS1 Page 2 of 2 CLIENT: SCARLETT GEOPHYSICAL (PROJECT:RUTHERFORD CENTRAL) LCS Acceptr. ange QC LIMITS Compound p MDL Method LCS % MS MSD RPD UG/L Blank Recovery % Rec. % Rec. 2-Chloronaphthalene 0.420 ND 86 51-100 RPD %REC Dimethyl phthalate 0.400 ND 92 47-107 Acenaphthylene 0.150 ND 88 49-100 2,6-Dinitrotoluene 0.670 ND 86 49-106 Acenaphthene 0.280 ND 93 48-102 73 82 12 31 46-118 2,4-Dinitrotoluene 0.670 ND 97 50-106 73 83 12 38 24-96 Diethyl phthalate 0.820 ND 87 49-107 4-Chlorophenyl phenyl ether 0.730 ND 96 43-112 2,4-Dinitrophenol 4.190 ND 87 D-118 Pentachlorophenol 5.220 ND 101 15-123 21 25 18 50 9-103 N-Nitrosodiphenylamine 1.150 ND 95 35-121 4-Bromophenyl phenyl ether 0.670 ND 100 48-107 Hexachlorobenzene 0.390 ND 98 50-102 Phenanthrene 0.280 ND 96 42-105 Anthracene 0.200 ND 103 44-104 Di-N-Butyl phthalate 0.650 ND 96 44-111 Benzidine 3.370 ND 4 D-48 Pyrene 1.920 ND 89 39-107 84 84 1 31 26-127 Benzyl butyl phthalate 1.220 ND 88 39-116 Benzo(a)anthracene 0.380 ND 100 36-114 3,3-Dichlorobenzidine 5.050 ND 37 6-52 Chrysene 0.700 ND 97 45-99 Bis(2-ethyl-hexyl)phthalate 1.140 ND 91 30-134 Di-N-Octyl phthalate 0.740 ND 87 37-131 Benzo(b)fluoranthene 0.770 ND 93 49-107 Benzo(k)fluoranthene 0.600 ND 68 37-112 Benzo(a)pyrene 0.430 ND 88 49-105 Indeno(1,2,3-cd) pyrene 1.210 ND 110 38-122 Dibenzo(a,h)anthracene 1.680 ND 110 43-118 Benzo(g,h,i)perylene 1.780 ND 104 42-119 NIA = Data Not Available * = FAILED QA/QC Summary Method: 8270/625 (100/200 PPP QC) I FILE NAME:WLC0617-MS1 Pagel of 2 CLIENT:SCARLETT GEOPHYSICAL (PROJECT:RUTHERFORD CENTRAL) SAMPLE ID: 83433-01 Extraction Method 3510 Date Extracted 06/17/20 Weight Extracted 1L Final Extract Volume iML Date Analyzed 06/17/20 % Surrogate Recovery 63 44 84 99 94 101 Acceptance Range (5 - 77) (7 - 64) (29 -149) (12 -123) (10 -133) (20 -133) LCS Accept. Range MS MSD RPD QC LIMITS Compound MDL Method LCS % % Rec. % Rec. UG/L Blank Recove RPD % REC N-Nitrosodimethylamine 0.970 ND 63 8-104 Bis(2-chloroethyl)ether 0.430 ND 90 45-111 Phenol 0.460 ND 47 D-76 35 36 4 42 12-110 2-Chlorophenol 0.300 ND 90 30-107 78 82 5 40 27-123 1,3-Dichlorobenzene 0.250 ND 84 48-90 1,4-Dichlorobenzene 0.200 ND 81 50-90 78 82 5 28 36-97 1,2-Dichlorobenzene 0.100 ND 85 50-93 Bis(2-chloroisopropyl)ether 0.380 ND 87 50-107 N-nitrosodi-n-propylamine 0.500 ND 85 47-111 79 84 5 38 41-116 Hexachloroethanc 0.220 ND 81 36-90 2-Nitrophenol 0.670 ND 96 33-110 2,4-Dimethylphenol 1.550 ND 82 43-100 Nitrobenzene 0.500 ND 83 46-112 Isophorone 0.510 ND 81 5 0-104 Bis(2-chloroethoxy)methane 0.420 ND 81 49-105 2,4-Dichlorophenol 0.540 ND 82 33-108 1,2,4-Trichlorobenzene 0.560 ND 77 47-95 84 86 2 28 39-98 4-Chloro-3-methylphenol 1.830 ND 81 44-107 89 92 3 42 23-97 Naphthalene 0.710 ND 71 50-96 Hexachlorobutadiene 0.770 ND 72 24-100 2,4,6-Trichlorophenol 0.540 ND 99 22-124 2-Methyl-4,6-Dinitrophenol 3.250 j ND 95 16-115 4-Nitrophenol 6.670 ND 52 1-69 21 23 7 50 10-80 Hexachlorocyclopentadiene 0.970 ND 72 16-85 QA/QC Summary Method:8270/625 (100/200 PPB OQ I FILE NAME:WLC0617-MS1 Page 2 of 2 CLIENT:SCARLETT GEOPHYSICAL (PROJECTAUTHERFORD CENTRAL) LCS Acceptr ange QC LDIITS Compound MDL Method LCS % MS MSD RPD UG/L Blank Recovery % Rec. % Rec. 2-Chloronaphthalene 0.420 ND 95 51-100 RPD %REC Dimethyl phthalate 0.400 ND 85 47-107 Acenaphthylene 0.150 ND 83 49-100 2,6-Dinitrotoluene 0.670 ND 98 49-106 Acenaphthene 0.280 ND 87 48-102 73 82 12 31 46-118 2,4-Dinitrotoluene 0.670 ND 90 50-106 73 83 12 38 24-96 Diethyl phthalate 0.820 ND 94 49-107 4-Chlorophenyl phenyl ether 0.730 ND 90 43-112 2,4-Dinitrophenol 4.190 ND 86 D-118 Pentachlorophenol 5.220. ND 99 15-123 21 25 18 50 9-103 N-Nitrosodiphenylamine 1.150 ND 88 35-121 4-Bromophenyl phenyl ether 0.670 ND 91 48-107 Hexachlorobenzene 0.390 ND 89 50-102 Phenanthrene 0.280 ND 89 42-105 Anthracene 0.200 ND 87 44-104 Di-N-Butyl phthalate 0.650 ND 91 44-111 Benzidine 3.370 ND 39 D-48 Pyrene 1.920 ND 90 39-107 84 84 1 31 26-127 Benzyl butyl plthalate 1.220 ND 92 39-116 Benzo(a)anthracene 0.380 ND 100 36-114 3,3-Dichlorobenzidine 5.050 ND 40 6-52 Chrysene 0.700 ND 98 45-99 Bis(2-ethyl-hexyl)phthalate 1.140 ND 94 30-134 Di-N-Octyl phthalate 0.740 ND 95 37-131 Benzo(b)fluoranthene 0.770 ND 100 49-107 Benzo(k)fluoranthene 0.600 ND 59 37-112 Benzo(a)pyrene 0.430 ND 90 49-105 Indeno(1,2,3-cd) pyrene 1.210 ND 101 38-122 Dibenzo(a,h)anthracene 1.680 ND 90 43-118 Benzo(g,hj)perylene 1.780 ND 87 42-119 NIA = Data Not Available * = FAILED A61 RESEARCh & ANAtyTICAt LABORATORIES. INC. Analytical/Process Consultations Quality Control Summary Results for Project Identified as Rutherford Cenral (A Scarlet[ Geophysical Project, 02-11 June 2020) Chlorinated Pesticides EPA Method 8081\8082 Parameter Method Blank [metl.l Matrix Spike %Recovery Spike Diplicate %Recovery Quality Control Limits Analyst drin ND 122 116 70-130 MG alpha-BHC ND N/A N/A N/A MG beta-BHC ND N/A N/A N/A MG delta-BHC ND N/A N/A N/A MG gamma-BHC(Lindane) ND 128 109 70-130 MG Chlordane, Total ND N/A N/A N/A MG 4,4'-DDD ND N/A N/A N/A MG 4,4'-DDE ND N/A N/A N/A MG 4,4'-DDT ND 126 125 70-130 MG Dieldrin ND 126 I10 70-130 MG Endosulfan I ND N/A N/A N/A MG ndosulfan 11 ND N/A N/A N/A MG Endosulfan sulfate ND N/A N/A N/A MG Endrin ND 128 124 70-130 MG Endrin aldehyde ND N/A N/A N/A MG Heptachlor ND 112 101 70-130 MG Heptachlor epoxide ND N/A N/A N/A MG ethoxychlor ND N/A N/A N/A MG Toxaphene ND N/A N/A N/A MG oclor-1016 ND 95 114 70-130 MG oclor-1221 ND N/A N/A N/A MG oclor-1232 ND N/A N/A N/A MG oclor-1242 ND N/A N/A N/A MG Aroclor-1248 ND N/A N/A N/A MG Aroclor-1254 ND N/A N/A N/A MG Aroclor-1260 ND 95 i 114 70-130 MG COMMENTS: 83071-01-83077-01, 83188-01-83199-01, 83335-01-83340-01, 83433-01 Corresponding Samples: % = Percent ND = Non Detected N/A =Not Available ,,!!{ltlflll��f R1ESEARC1k&ANAtYTiCAt I.AboRAToRkS INC. "orr Analytical/Process Consultations o 61% Quality Control Summary Results for Project Iden#Jied as Rutherford Central (A Scarlett Geophysical Projed, 02-11 June 2020) Chlorinated Herbicides PA Method 8151 A aranueter . Method Blank img1L) Matrix Spike % Recovery Spike Diplicate % Rccovea ;Quality Conitrol .. . Limits ,4-D ND 96 104 70-130 MG ,4,5-T ND 111 103 70-130 MG 5-TP(Silvex) ND 118 115 70-130 MG inoseb ND 113 104 70-130 MG COMMENTS: 83071-01-83077-01, 83190-01-83191-01, 83335-01, 83338-01, 83340-01, 83433-01 Corresponding Samples: % = Percent ND = Non Detected NIA = Not Available