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Home My WebLink About8003_Rowan_MSWLF_CDLF_Aug2020GW_FID1489884_20201113kENR USE ONLY ❑Paper Report ❑Electronic Data - Email CD (data loaded: Yes / No Doc/Event #: ' NC DENR I I Environmental Monitoring Division of Waste Management - Solid Waste Reporting Form Notice: This form and any information attached to it are 'Public Records" as defined in NC General Statute 132-1. As such, these documents are available for inspection and examination by any person upon request (NC General Statute 132-6). Instructions: Prepare one form for each individually monitored unit. Please type or print legibly. Attach a notification table with values that attain or exceed NC 2L groundwater standards or NC 2B surface water standards. The notification must include a preliminary analysis of the cause and significance of each value. (e.g. naturally occurring, off -site source, pre-existing condition, etc.). Attach a notification table of any groundwater or surface water values that equal or exceed the reporting limits. Attach a notification table of any methane gas values that attain or exceed explosive gas levels. This includes any structures on or nearby the facility (NCAC 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. Solid Waste Monitoring Data Submittal Information Name of entity submitting data (laboratory, consultant, facility owner): Golder Associates NC, Inc. (on behalf of Rowan County) Contact for questions about data formatting. Include data preparer's name, telephone number and E-mail address: Name: Rachel P. Kirkman, PG E-mail: rkirkman(@ciolder.com Phone:336-852-4903 NC Landfill Rule: Actual sampling dates (e.g., Facility name: Facility Address: Facility Permit # (.0500 or .1600) October 20-24, 2006) Rowan County Landfills 789 Campbell Road August 10-12, 2020 and (Active MSW and Closed C&D) Woodleaf, NC 27054 80-03 .1600 and .500 October 19, 2020 Environmental Status: (Check all that apply) Initial/Background Monitoring ❑X Detection Monitoring Assessment Monitoring Corrective Action of data submitted: (Check all that apply) Groundwater monitoring data from monitoring wells Methane gas monitoring data Groundwater monitoring data from private water supply wells ❑ Corrective action data (specify) Leachate monitoring data ❑ Surface water monitoring data Other(specify) Notification attached? No. No groundwater or surface water standards were exceeded. X Yes, a notification of values exceeding a groundwater or surface water standard is attached. It includes a list of groundwater and surface water monitoring points, dates, analytical values, NC 2L groundwater standard, NC 2B surface water standard or NC Solid Waste GWPS and preliminary analysis of the cause and significance of any concentration. Yes, a notification of values exceeding an explosive methane gas limit is attached. It includes the methane monitoring points, dates, sample values and explosive methane gas limits. Certification To the best of my knowledge, the information reported and statements made on this data submittal and attachments are true and correct. Furthermore, I have attached complete notification of any sampling values meeting or exceeding groundwater standards or explosive gas levels, and a preliminary analysis of the cause and significance of concentrations exceeding groundwater standards. I am aware that there are significant penalties for making any false statement, representation, or certification including the possibility of a fine and imprisonment. Rachel P. Kirkman. PG Principal and Senior Consultant 336-852-4903 Facility Representative Name (Print) Title (Area Code) Telephone Number Affix NC Licensed/ Professional Geologist Seal Signature Date Golder Associates NC, Inc., 5B Oak Branch Drive, Greensboro, NC 27407 ��• ti,�CENSFp •y,9 Facility Representative Address C-2862 NC PE Firm License Number (if applicable effective May 1, 2009) yFg Qa� .•� % •••' Revised 6/2009 �1 P. K��` 4 GOLDER SECOND SEMI-ANNUAL 2020 SAMPLING EVENT Active Rowan County Landfill, Permit No. 80-03, Rowan County, North Carolina Submitted to: Ms. Jaclynne Drummond, Compliance Hydrogeologist North Carolina Department of Environmental Quality Division of Waste Management - Solid Waste Section 2090 US Highway 70 Swannanoa, North Carolina 28778 (828) 296-4706 Submitted by: Golder Associates NC, Inc. 5B Oak Branch Drive, Greensboro, North Carolina, USA 27407 +1 336 852-4903 20140083.100 November 13, 2020 November 13, 2020 Distribution List Caleb Sinclair, Rowan County Environmental Management, 1102 N Long Street Extension Salisbury, NC 28144, caleb.sinclair@rowancountync.gov Jeff Boyd, Landfill Manager, 789 Campbell Road, Woodleaf, NC 27054, (704) 278-2211 Mike Plummer, PE, HDR, 440 South Church Street, Suite 1000 Charlotte, NC 28202, (704) 338 6843, michael.plummer@hdrinc.com (electronic copy) 20140083.100 4 GOLDER November 13, 2020 Executive Summary 20140083.100 On behalf of Rowan County Department of Environmental Management (Rowan County), Golder Associates NC, Inc. (Golder) is submitting the enclosed Water Quality Monitoring Report, which documents the results of the August 10 - 12, 2020, compliance monitoring event and October 19, 2020, verification event. The facility consists of an active municipal solid waste (MSW) landfill and a closed construction and demolition debris (C&D) landfill, each with a permitted monitoring network of wells and surface water locations. The MSW facility reverted to detection monitoring for the first semi-annual 2018 water quality monitoring event after receiving approval from the North Carolina (NC) Department of Environmental Quality (DEQ) on June 5, 2018; in this same correspondence, statistically -derived, site -specific groundwater protection standards (GPS) were approved for thallium and vanadium. Surface water points SW-3 and SW-5 were dry during this event and no samples were collected. Surface water and groundwater samples were analyzed for 1,4-dioxane per the May 29, 2018, memorandum from the NC Department of Environmental Quality (DEQ). Two inorganic constituents (cobalt and vanadium) were detected at estimated concentrations above their respective groundwater standards [Interim Maximum Allowable Concentrations (IMACs)] in samples from one or more downgradient monitoring points at the MSW landfill during this event. As these are estimated (i.e., non - quantifiable) concentrations below the method reporting limits, per 15A NCAC 02L .0202 (b)(1), no regulatory actions are required for estimated values below the reporting limits (a.k.a. Practical Quantitation Limits or PQLs) that are above groundwater standards. In a correspondence sent to S&ME, Inc., dated September 12, 2008, the NC DEQ approved an Alternate Source Demonstration (ASD) for thallium and vanadium as naturally occurring metals. Per 15A NCAC 02L .0202 (b)(3), concentrations of naturally occurring substances that exceed the NC 2L Groundwater Standards are exempt (i.e., not a violation of the standard). These exceedances were previously reported in the November 30, 2018, ASD and 14-day notification, which provided proposed alternate GPS and provided evidence that cobalt and vanadium are naturally occurring. Rowan County monitors groundwater at the closed C&D landfill for parameters listed in 15A NCAC 13B .0544 of the NCSWMR. Two NC Appendix I metals (cobalt and thallium) were detected at estimated concentrations above their respective IMAC standards but below their respective PQLs at MW-18R (cobalt and thallium) and MW-19 (thallium) during this event. The cobalt concentration at MW-19 is above the PQL but may be biased high by entrained sediment as evidenced by elevated turbidity. Therefore, redevelopment for this well is recommended prior to the next scheduled sampling event. Indicator parameters iron and manganese were also detected above their respective NC 2L Standards during this event. One Appendix I organic constituent (benzene) was detected in the samples from MW-18R and MW-19 at concentrations above the groundwater protection standard; benzene concentrations were confirmed in verification sampling. The detections of benzene have fluctuated seasonally during the last three sampling events with detections during the summer events and non -detect during the January event. Also, 1,4-dioxane was also analyzed per the May 30, 2018, memorandum and detected at MW-18R and MW-19; this constituent is not part of the facility permit -required testing. One NC Appendix I inorganic constituent (copper) was detected at surface water monitoring location SW-2 during this event at estimated concentrations above their respective surface water standards, as they have been previously. No actions are warranted for these estimated concentrations. Constituent concentrations reported for the leachate samples collected during this sampling event are typical for leachate at this facility. 4 GOLDER November 13, 2020 20140083.100 Based on these results, Rowan County Environmental Services will continue monitoring the uppermost aquifer beneath this facility in accordance with the requirements of the Detection Monitoring Program as outlined in Title 15A NCAC 13B .1633 for the MSW. The County will proceed with preparation of an Assessment Monitoring Work Plan as required in 15A NCAC 13B.0545(a) (3) and submit within 30 days of the date of this report for the C&D facility to address the recently confirmed above -standard concentrations of benzene at MW-18R and MW-19. 4 GOLDER November 13, 2020 Table of Contents 20140083.100 1.0 INTRODUCTION.............................................................................................................................................2 1.1 Site Description and Background.........................................................................................................2 1.2 Compliance Monitoring History............................................................................................................2 1.3 Hydrogeologic Setting..........................................................................................................................3 2.0 FIELD PROGRAM, MONITORING RESULTS, AND DISCUSSION.............................................................4 2.1 Visual Inspection Program...................................................................................................................4 2.2 Well Network and Groundwater Elevation Measurements..................................................................4 2.3 August 2020 Groundwater and Surface Water Monitoring Event........................................................4 2.4 October 2020 Verification Event..........................................................................................................5 2.5 Laboratory Analysis Program...............................................................................................................5 3.0 LABORATORY AND FIELD QA/QC..............................................................................................................6 4.0 DATA EVALUATION......................................................................................................................................6 4.1 North Carolina Groundwater and Surface Water Quality Standard Comparisons...............................6 4.1.1 MSW Facility...................................................................................................................................6 4.1.2 C&D Facility....................................................................................................................................6 4.1.3 Surface Water.................................................................................................................................7 5.0 CONCLUSIONS..............................................................................................................................................7 6.0 REFERENCES................................................................................................................................................7 DRAWING APPENDICES APPENDIX A GROUNDWATER AND SURFACE WATER SAMPLING LOGS APPENDIX B AUGUST 2020 GROUNDWATER AND SURFACE WATER CERTIFICATE -OF -ANALYSIS, CHAIN -OF - CUSTODY FORMS AND LABORATORY DATA REVIEWS .,i GOLDER 1 November 13, 2020 1.0 INTRODUCTION 20140083.100 This report summarizes the monitoring results from the August 10 - 12, 2020, water quality monitoring event and the October 19, 2020 at the Rowan County Landfill located in Rowan County, North Carolina (NC) and operated under the NC Solid Waste Permit No. 80-03. An active municipal solid waste (MSW) landfill, operated by Rowan County Environmental Services, and a closed construction and demolition (C&D) landfill are located within the property boundary. Rowan County (the County) has owned and operated the MSW and C&D landfill under permit No. 80-03 since 1989. The C&D landfill located on site ceased accepting waste on June 30, 2008. The County monitors water quality (i.e., groundwater, surface water, and leachate) at the MSW landfill semi-annually in accordance with Title 15A of the North Carolina Administrative Code (NCAC) Subchapter 13B .1633. The County also monitors water quality (i.e., groundwater and surface water) at the C&D landfill semi-annually in accordance with 15A NCAC 1313.0544; the C&D facility closed in 2008. 1.1 Site Description and Background The location of the facility is shown on the inlay on Drawing 1. As presented, the Rowan County solid waste facility is located approximately 1.5 miles southeast of the town of Woodleaf on Campbell Road in Rowan County, NC. The landfill facility covers approximately 375 acres of land and is bounded to the north by Campbell Road, to the south by Second Creek, and to the east and west by wooded, residential and agricultural properties. Surrounding land use is primarily rural residential, agricultural, or undeveloped and wooded. Access to the facility is via a driveway off of Campbell Road. As discussed, the facility is comprised of an active Subtitle D MSW landfill unit, a closed C&D landfill unit, and a closed land clearing inert debris (LCID) unit (Drawing 1). Topographic elevations at the facility range from approximately 766 feet above mean sea level (AMSL) east of the existing scale house to approximately 635 feet AMSL at the edge of Second Creek along the southern property boundary. Stormwater drainage from the landfill and surrounding areas is directed by one of the two main drainage features toward Second Creek, which flows from the southwest to the northeast (S&ME October 2005). I.L Compliance Monitoring History Groundwater monitoring at the facility was initiated in December 1989 under the Detection Monitoring Program for MSW landfills. Currently, water quality monitoring is performed semi-annually at the MSW facility in accordance with the approved Water Quality Monitoring Plan (WQMP) and the NC Solid Waste Management Regulations (NCSWMR). The active MSW landfill monitoring network is currently comprised of 15 active monitoring wells (MW-1, MW-7, MW-9, MW-11, MW-12, MW-13, MW-16, MW-20, MW-23, MW-23A, MW-24R, MW-25, MW-26, MW-27, and MW-28R), which monitor the uppermost aquifer beneath the facility. Monitoring well MW-6, MW-27A, and MW-28 are monitored during each semi-annual sampling event for water levels only. Three monitoring wells (i.e., MW-17, MW-18R, and MW-19) monitor the C&D landfill located to the east of the active MSW landfill. Monitoring wells MW-3, MW-4, MW-5, MW-10, MW-18, and MW-24 have been decommissioned. Following two consecutive Assessment Monitoring event without a detection of NC Appendix II VOCs, the County reverted to the Detection Monitoring Program during the August 2018 monitoring event as governed by 15A NCAC 13B .1633 of the NCSWMR, after receiving approval from the NC DEQ to revert to detection monitoring. The County was previously in Assessment Monitoring due to detections of tetrachloroethene and trichlorofluoromethane in samples from monitoring well MW-28. On July 11, 2017, MW-28R was installed as a replacement well for MW-28, as approved in a correspondence from NC DEQ dated December 13, 2016. After the completion of a second sampling event of MW-28R on November 1, 2017, a request was made to the NC DEQ to revert to detection monitoring after two consecutive monitoring events without the detection of volatile 4 GOLDER November 13, 2020 20140083.100 organic compounds (VOCs) in the replacement monitoring well MW-28R. The request to revert back to detection monitoring for the first semi-annual 2018 water quality monitoring event was approved by NC DEQ on June 5, 2018. Five surface water locations (SW-1 through SW-5) are also sampled; SW-5 monitors surface water adjacent to the C&D landfill, the other four surface water locations monitor surface water surrounding the active MSW landfill; SW-1 is the upstream monitoring report. A French drain is also sampled semi-annually to monitor a groundwater discharge point located underneath the Phase III landfill unit at the active MSW landfill. The locations of monitoring points within the current monitoring network are shown on Drawing 1. 1.3 Hydrogeologic Setting Geologically, the facility is located within the Charlotte Belt of the Piedmont Physiographic Province of NC (NCGS 1985). The Charlotte Belt is composed of Precambrian and Paleozoic bedrock, which is dominantly plutonic with plutons ranging from granite to gabbro. The oldest rocks in the Charlotte Belt are mafic gneisses, amphibolites, metagabbros and metavolcanic rocks, with lesser amounts of biotite gneiss, granitic gneiss, mica schist, quartzite and ultramafic rocks. Mica schists and mica hornblende gneisses locally have been intruded by granite. The rocks underlying the facility consist of mostly diorite, gabbro, and granite (NCGS 1985). The uppermost groundwater beneath the facility is present in a shallow, unconfined aquifer comprised of partially weathered, fractured, meta -volcanic rock. Groundwater occurs at depths ranging from near ground surface in valleys to more than 100 feet below grade on steep hills (S&ME October 2005). Depth -to -water measurements obtained during the August 2020 sampling event and summarized in Table 1 were used to prepare a groundwater surface contour map presented as an overlay on Drawing 1. As presented, groundwater in the uppermost aquifer beneath the facility generally flows to the southwest toward Second Creek. The groundwater surface contour map and interpreted flow directions are consistent with previously submitted groundwater surface contour maps for this facility. Based on the August 2020 groundwater surface contour map, the hydraulic gradient in the shallow aquifer underlying the facility averaged approximately 0.036. The average effective porosity of the shallow aquifer is estimated at 0.26 (S&ME October 2005). Using the above values, the estimated rate of groundwater flow for the uppermost aquifer beneath the facility was calculated using the following modified Darcy's Law equation: where Vgw = average linear velocity (feet/year), K = hydraulic conductivity (feet/year), i = horizontal hydraulic gradient, and ne = effective porosity. As presented on Table 2, the average estimated linear groundwater flow velocity under the waste management units ranges from approximately 174 feet/year in the MSW area to approximately 510 feet/year in the C&D area, which is generally consistent with previous estimates. The linear velocity equation above makes the simplified assumptions of a homogeneous and isotropic aquifer. Therefore, this equation represents an estimated average value for the uppermost aquifer and does not account for heterogeneous and/or anisotropic conditions that are likely present in the uppermost aquifer at the facility. 4 GOLDER November 13, 2020 20140083.100 2.0 FIELD PROGRAM, MONITORING RESULTS, AND DISCUSSION Field activities conducted as part of the August 2020 sampling event are discussed in the following sections. 2.1 Visual Inspection Program In order to determine if a potential release has occurred at the earliest possible time, the visual inspection program is used by sampling personnel at the Rowan County landfills. This program includes physical indicators such as potential water table mounding beneath the waste management unit, physical examination of any stresses in biological communities, visible signs of Ieachate migration (i.e., Ieachate seeps), unexplained changes in soil characteristics, and any other change to the environment due to the waste management unit in the vicinity of monitoring locations. 2.2 Well Network and Groundwater Elevation Measurements As presented in Section 1.3 of this report, the current groundwater monitoring network at the Rowan County landfills (i.e., the active MSW and the closed C&D landfill) consists of 18 groundwater monitoring wells (i.e., 15 monitor groundwater at the MSW landfill and 3 monitor groundwater at the C&D landfill). Monitoring well construction information is summarized in Table 3 and the well locations are shown on Drawing 1. The network of monitoring wells was constructed to target the preferential flow path for groundwater underlying waste disposal areas. Water quality was monitored during the August 2020 water quality monitoring event (WQME) in accordance with the revised WQMP, which was approved by NC DEQ as part of the Phase IV expansion at the active MSW landfill in March 2013. Based on the WQMP monitoring wells MW-9 and MW-16 are the MSW landfill's background wells and are located hydraulically upgradient of the waste disposal area. Monitoring wells MW-1, MW-7, MW-11, MW-12, MW-13, MW-20, MW-23, MW-23A, MW-24R, MW-25, MW-26, MW-27, and MW-28R are located downgradient or side gradient of the waste disposal area and represent the facility's downgradient compliance wells. The C&D unit is monitored by upgradient well MW-17 and downgradient compliance wells MW-18R and MW-19. Depth -to -water measurements were recorded to the nearest 0.01 foot prior to initiating groundwater purging and sampling activities. The monitoring point summary and respective water level elevations for this event along with historical data are presented in Table 1. 2.3 August 2020 Groundwater and Surface Water Monitoring Event Personnel from Golder visited the facility on August 10-12, 2020, to purge and sample the 21 compliance groundwater monitoring wells. Samples were also collected for surface water monitoring locations and the facility's Ieachate pond. Surface water points SW-3 and SW-5 were dry during this event and no samples were obtained. The groundwater monitoring wells were purged and sampled using dedicated bladder pumps and micro -purge procedures. Measurements of pH, specific conductivity, dissolved oxygen (DO), oxidation-reduction potential (ORP), temperature, turbidity, and depth -to -water were recorded each time the flow -cell volume was replaced depending on the purge rate. In general, the purge rate for each well was matched to the yield of the monitoring well, as determined by continuously monitoring the depth to water, up to a maximum purge rate of 300 milliliters per minute. Micro -purging was continued until stabilization was indicated by the field parameters. ,.,i GOLDER November 13, 2020 20140083.100 Prior to sampling, the laboratory -supplied sample containers used to collect the water samples detailed above were prepared. Each sample container was labeled with the sample identification number, sampling personnel, date and time of sample collection, project name and number, and requested chemical analyses. The micro -purge groundwater samples were collected directly from the dedicated bladder pump discharge lines in the labeled, laboratory -supplied, pre -preserved sample containers after purging was completed based on stabilization of the field parameters. After collection, the sample containers were placed in a cooler on ice, under chain -of -custody control. Copies of the sampling logs detailing the sample ID, the personnel collecting the samples, the sampling location, the sampling equipment, the sampling method, general field observations, and field parameters are presented in Appendix A. Typically, the surface water samples and the French drain groundwater samples are collected by lowering the sample containers directly into the surface water flow with the container opening facing away from the stream flow, taking care to prevent the overflow of the sample containers and to minimize sample induced turbidity. If necessary (i.e., if access to the sample point was limited) a stainless -steel dipper is lowered into the surface water flow and filled. The water sample collected in the dipper is then transferred directly to the provided appropriate sample containers. The leachate samples were collected directly from the leachate pond. Measurements of pH, conductivity, temperature, turbidity, DO, and ORP were recorded during the collection of the surface water samples directly from the point of sampling, and measurements of pH, specific conductivity, and temperature were recorded for the leachate sample from a separate sampling container. After collection, the samples were placed in a cooler on ice, under chain -of -custody control. Copies of the sampling logs are presented in Appendix A. Included in each log is a description of the sample ID, sampling personnel, sampling equipment, sampling location, sampling method, field observations, and water -quality measurements. 2.4 October 2020 Verification Event Golder personnel visited the facility on October 19, 2020, to re -sample MW-18R & MW-19 to verify the concentrations of benzene (MW-18R & MW-19) and cobalt (MW-19) detected in samples collected during the August 2020 water quality monitoring event. Samples were collected utilizing techniques as described above. After collection, the samples were placed in a cooler on ice under chain -of -custody control. As presented, copies of the sampling logs are included in Appendix A. Included on the logs is a description of the sampling equipment, sampling method, field observations, location, and water quality measurements. 2.5 Laboratory Analysis Program The groundwater, surface water, and leachate samples collected on August 10 - 12, from the active MSW landfill were delivered by courier to Environmental Conservation Laboratories, Inc. (ENCO) of Cary, NC under chain -of - custody control for analysis of NC Appendix I constituents plus 1,4-dioxane. Groundwater samples collected from the closed C&D landfill were analyzed for the listed NC Appendix I constituents plus 1,4-dioxane, tetrahydrofuran, and the additional required C&D parameters under NCAC 13B.0544. Surface water samples were analyzed for NC Appendix I plus 1,4-dioxane per Solid Waste Section (SWS) policy requirements (i.e., May 30, 2018, memorandum). The samples were received at the laboratory on August 13, 2020 in good condition and properly preserved. ' GOLDER November 13, 2020 20140083.100 3.0 LABORATORY AND FIELD QA/QC A field blank was collected by Golder personnel as part of the August 2020 groundwater sampling event. In addition to the field blank, a laboratory -prepared trip blank accompanied the VOC sample containers for the sampling event to and from the laboratory. ENCO analyzed the field blank and method blanks for the same constituents as the groundwater samples, and the trip blank for NC Appendix I VOCs. A review of the laboratory data was performed by Golder personnel (included in Appendix B). Based on the data review, detections of silver and copper are blank qualified. 4.0 DATA EVALUATION The results of the data evaluations are presented in the following sections. 4.1 North Carolina Groundwater and Surface Water Quality Standard Comparisons 4.1.1 MSW Facility Two inorganic constituents (cobalt and vanadium) were detected at estimated concentrations above their respective groundwater standards [Interim Maximum Allowable Concentrations (IMACs)] in samples from one or more downgradient monitoring points at the MSW landfill during this event. As these are estimated (i.e., non - quantifiable) concentrations below the method reporting limits, per 15A NCAC 02L .0202 (b)(1), no regulatory actions are required for estimated values below the reporting limits (a.k.a. PQLs) that are above groundwater standards. In a correspondence sent to S&ME, Inc., dated September 12, 2008, the NC DEQ approved an Alternate Source Demonstration (ASD) for thallium and vanadium as naturally occurring metals. Per 15A NCAC 02L .0202 (b)(3), concentrations of naturally occurring substances that exceed the NC 2L Groundwater Standards are exempt (i.e., not a violation of the standard). These exceedances were previously reported in the November 30, 2018, ASD and 14-day notification, which provided proposed alternate GPS and provided evidence that cobalt and vanadium are naturally occurring. 4.1.2 C&D Facility Two NC Appendix I metals (cobalt and thallium) were detected at estimated concentrations above their respective IMAC standards but below their respective PQLs at MW-18R (cobalt and thallium) and MW-19 (thallium) during this event. Cobalt was detected at a quantifiable concentration above IMAC at MW-19. Verification samples from MW-19 on October 19, 2020 confirmed the above -standard concentrations of cobalt at MW-19. Based on elevated turbidity values, entrained sediment may be biasing concentrations high and well re -development is recommended prior to the next scheduled sampling event. Indicator parameters iron and manganese were also detected above their respective NC 2L Standards during this event. One NC Appendix I organic constituent (benzene) was detected in the samples from MW-18R and MW-19 at concentrations above the groundwater protection standard. Verification samples collected from MW-18R and MW-19 on October 19, 2020 confirmed the above -standard concentrations of benzene at MW-18R and MW-19. Also, 1,4-dioxane was analyzed per the May 30, 2018, memorandum and concentrations at MW-18R and MW-19 are generally consistent with recent concentrations; this constituent is not part of the facility permit -required testing. .,i GOLDER November 13, 2020 4.1.3 Surface Water 20140083.100 One NC Appendix I inorganic constituent (copper) was detected at surface water monitoring location SW-2 during this event at estimated concentrations above the respective surface water standards, as they have been previously. Because concentrations are estimated, no further action is warranted. 5.0 CONCLUSIONS Based on the results summarized herein, Rowan County Environmental Services will continue monitoring the uppermost aquifer beneath this facility in accordance with the requirements of the Detection Monitoring Program as outlined in Title 15A NCAC 13B .1633 at the MSW landfill. The county will proceed with the preparation of an Assessment Monitoring Work Plan as required in 15A NCAC 13B.0545(a)(3) and submit within 30 days of the date of this report for the C&D facility to address the above -standard concentrations of benzene at MW-18R and MW-19. 6.0 REFERENCES Resolve (Resolve Environmental Services, P.A.), December 2004. Second Semi -Annual 2004 Appendix I Groundwater Monitoring Event —Rowan County Sanitary Landfill, Campbell Road, Woodleaf, North Carolina. 20 pp. Resolve (Resolve Environmental Services, P.A.), July 2005. First 2005 Semi -Annual Groundwater Monitoring — Rowan County Sanitary Landfill, Woodleaf, NC and Annual 2005 Groundwater Monitoring —Rowan County Closed Sanitary Landfill. 5 pp. S&ME October 2005. Water Quality Monitoring Plan —Rowan County Landfill, Woodleaf, NC. 28 pp. S&ME 2005. Design Hydrogeologic Study —Rowan County Landfill —Phase III. 30 pp. NCGS (North Carolina Geologic Survey), 1985. Geologic Map of North Carolina. Scale 1:500,000. ' GOLDER 7 November 13, 2020 Signature Page Golder Associates NC, Inc. Darren Cox Staff Environmental Scientist DEC/RPK/dec: Rachel P. Kirkman, PG Principal and Senior Consultant Engineering Lic. No. C-2862/Geology Lic. No. C-399 20140083.100 Golder Associates NC, Inc. is a licensed user of the Golder trademark, and an associated operating entity. Golder and the G logo are trademarks of Golder Associates Corporation. hftps://goiderassociates.sharepoint.com/sites/132916/project files/5 technical work/2020-2021 rowan county landfill/phase 100 active wqmr/200 deliv/250 final issued/252 wgmr - 2nd semi- annual 2020/draft rowan co 2nd semi-annual wqmr 2020.docx TABLES November 2020 Table 1 Project No. 20140083 Summary of Historical Static Groundwater Elevation Data Rowan County Landfill (Active MSW and Closed C&D Facilities) Permit No. 80-03 Well ID MW-1 MW-6 MW-7 MW-9 MW-11 MW-12 MW-13 MW-16 MW-17 MW-18R MW-19 MW-20 MW-23 MW-23A TOC Elevation 717.50 668.15 663.14 738.13 683.27 685.88 696.33 752.69 755.36 661.39 653.45 717.00 697.25 696.91 (ft AMSL) Date Elevation DTW Elevation DTW Elevation DTW Elevation DTW Elevation DTW Elevation DTW Elevation DTW Elevation DTW Elevation DTW Elevation DTW Elevation DTW Elevation DTW Elevation DTW Elevation DTW 11/05/04 704.67 12.83 658.73 9.42 646.43 16.71 712.75 25.38 673.97 9.30 678.72 7.16 682.58 13.75 705.06 47.63 NA NA NA NA NA NA NA NA NA NA NA NA 05/16/05 700.88 16.62 664.48 3.67 647.49 15.65 711.99 26.14 674.41 8.86 679.14 6.74 683.12 13.21 705.44 47.25 NA NA NA NA NA NA NA NA NA NA NA NA 12/30/05 700.38 17.12 660.39 7.76 646.42 16.72 708.06 30.07 674.75 8.52 682.68 3.20 685.13 11.20 704.50 48.19 704.26 51.10 NA NA 643.77 9.68 687.85 29.15 664.72 32.53 661.70 35.21 09/25/06 698.18 19.32 658.88 9.27 645.79 17.35 706.73 31.40 674.26 9.01 678.18 7.70 682.21 14.12 704.49 48.20 703.97 51.39 NA NA 642.25 11.20 687.26 29.74 664.57 32.68 664.60 32.31 01/30/07 698.60 18.9 660.47 7.68 646.78 16.36 708.80 29.33 674.84 8.43 679.19 6.69 682.71 13.62 704.27 48.42 703.52 51.84 NA NA 643.74 9.71 687.36 29.64 665.05 32.2 665.08 31.83 07/11/07 697.24 20.26 659.63 8.52 645.95 17.19 708.14 29.99 674.33 8.94 678.02 7.86 682.12 14.21 704.79 47.90 705.36 50.00 NA NA 641.95 11.50 687.30 29.70 664.92 32.33 664.93 31.98 08/06/07 NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA 639.96 21.43 NA NA NA NA NA NA NA NA 01/16/08 694.64 22.86 657.45 10.70 644.55 18.59 702.17 35.96 674.26 9.01 675.97 9.91 681.80 14.53 703.45 49.24 703.37 51.99 640.15 21.24 641.32 12.13 684.89 32.11 662.71 34.54 662.72 34.19 07/29/08 693.84 23.66 657.15 11.00 645.04 18.10 702.48 35.65 672.75 10.52 676.97 8.91 681.41 14.92 702.70 49.99 702.88 52.48 639.79 21.60 640.33 13.12 684.98 32.02 663.06 34.19 662.72 34.19 01 /21 /09 697.74 19.76 660.17 7.98 646.40 16.74 703.32 34.81 674.59 8.68 678.64 7.24 681.75 14.58 702.31 50.38 703.27 52.09 641.83 19.56 643.03 10.42 684.54 32.46 663.42 33.83 663.47 33.44 07/14/09 698.93 18.57 660.85 7.30 647.14 16.00 707.44 30.69 674.33 8.94 678.13 7.75 681.76 14.57 704.01 48.68 705.75 49.61 641.94 19.45 642.17 11.28 686.41 30.59 665.60 31.65 664.59 32.32 01/06/10 701.74 15.76 663.83 4.32 647.62 15.52 707.85 30.28 674.88 8.39 679.19 6.69 682.28 14.05 704.58 48.11 705.86 49.50 642.81 18.58 644.02 9.43 686.09 30.91 664.54 32.71 664.57 32.34 07/20/10 698.96 18.54 661.50 6.65 646.91 16.23 709.72 28.41 677.34 5.93 678.23 7.65 682.08 14.25 705.76 46.93 706.98 48.38 642.19 19.20 642.73 10.72 687.62 29.38 665.17 32.08 665.21 31.70 01 /31 /11 696.81 20.69 659.91 8.24 646.20 16.94 706.31 31.82 674.61 8.66 678.71 7.17 682.02 14.31 705.20 47.49 706.10 49.26 642.08 19.31 643.51 9.94 685.94 31.06 664.29 32.96 664.31 32.60 07/18/11 697.67 19.83 659.92 8.23 646.14 17.00 707.37 30.76 674.47 8.80 678.09 7.79 681.78 14.55 705.06 47.63 706.13 49.23 642.00 19.39 642.74 10.71 686.29 30.71 664.53 32.72 664.54 32.37 01/24/12 698.09 19.41 660.84 7.31 646.64 16.50 707.11 31.02 674.80 8.47 678.63 7.25 681.91 14.42 709.41 43.28 705.83 49.53 642.55 18.84 643.70 9.75 685.20 31.80 664.09 33.16 664.07 32.84 07/17/12 696.16 21.34 659.01 9.14 646.33 16.81 706.92 31.21 674.36 8.91 677.68 8.20 681.50 14.83 704.44 48.25 706.06 49.30 641.84 19.55 642.27 11.18 685.63 31.37 664.15 33.10 664.16 32.75 01/22/13 693.67 23.83 658.28 9.87 642.79 20.35 701.77 36.36 674.81 8.46 678.45 7.43 681.46 14.87 703.89 48.80 705.75 49.61 643.07 18.32 643.66 9.79 <679.98 >37.02 662.79 34.46 662.82 34.09 07/15/13 697.62 19.88 663.96 4.19 647.52 15.62 706.81 31.32 674.85 8.42 678.34 7.54 681.70 14.63 704.75 47.94 706.52 48.84 643.11 18.28 643.64 9.81 684.95 32.05 664.84 32.41 664.68 32.23 01/27/14 698.16 19.34 661.05 7.10 647.25 15.89 706.68 31.45 675.10 8.17 678.84 7.04 681.94 14.39 704.54 48.15 706.19 49.17 643.67 17.72 644.06 9.39 <680.39 >36.61 664.85 32.40 664.86 32.05 07/14/14 697.54 19.96 661.92 6.23 647.29 15.85 709.66 28.47 674.77 8.50 678.22 7.66 682.01 14.32 706.16 46.53 707.38 47.98 642.43 18.96 642.16 11.29 685.95 31.05 665.97 31.28 665.99 30.92 01/20/15 694.75 22.75 658.60 9.55 646.44 16.70 704.37 33.76 674.97 8.30 678.67 7.21 681.87 14.46 705.24 47.45 706.22 49.14 642.29 19.10 642.19 11.26 <685.01 >31.99 664.21 33.04 664.23 32.68 07/22/15 692.70 24.80 658.53 9.62 645.55 17.59 704.11 34.02 673.64 9.63 677.15 8.73 681.26 15.07 704.71 47.98 706.20 49.16 640.94 20.45 640.84 12.61 <684.00 >33.00 664.00 33.25 664.03 32.88 01/12/16 699.83 17.67 663.86 4.29 648.58 14.56 706.46 31.67 674.53 8.74 679.18 6.70 681.45 14.88 704.62 48.07 706.20 49.16 644.35 17.04 644.71 8.74 683.50 33.50 664.46 32.79 664.46 32.45 08/01/16 694.65 22.85 658.96 9.19 645.84 17.30 706.42 31.71 674.31 8.96 677.59 8.29 681.64 14.69 705.69 47.00 706.57 48.79 641.47 19.92 641.50 11.95 683.40 33.60 664.13 33.12 664.14 32.77 01/17/17 692.72 24.78 658.46 9.69 646.06 17.08 702.25 35.88 674.89 8.38 678.41 7.47 681.68 14.65 704.77 47.92 706.02 49.34 641.64 19.75 641.94 11.51 681.92 35.08 663.05 34.20 663.06 33.85 07/24/17 696.26 21.24 661.51 6.64 646.87 16.27 705.50 32.63 674.79 8.48 677.98 7.90 681.64 14.69 704.45 48.24 706.33 49.03 642.43 18.96 642.44 11.01 <684.80 >32.20 664.46 32.79 664.45 32.46 02/20/18 695.66 21.84 659.50 8.65 647.48 15.66 702.62 35.51 675.26 8.01 678.92 6.96 681.88 14.45 704.37 48.32 706.29 49.07 643.78 17.61 643.63 9.82 681.68 35.32 663.75 33.50 663.78 33.13 08/08/18 698.77 18.73 659.94 8.21 647.50 15.64 707.87 30.26 675.02 8.25 678.53 7.35 681.78 14.55 705.62 47.07 707.11 48.25 643.94 17.45 643.17 10.28 684.77 32.23 664.53 32.72 663.47 33.44 01/15/19 704.55 12.95 666.00 2.15 649.45 13.69 714.84 23.29 675.92 7.35 679.98 5.90 682.87 13.46 706.65 46.04 707.99 47.37 646.50 14.89 646.06 7.39 683.78 33.22 665.95 31.30 665.91 31.00 08/13/19 697.94 19.56 659.75 8.40 646.51 16.63 711.19 26.94 674.88 8.39 678.26 7.62 682.38 13.95 707.62 45.07 706.69 48.67 643.41 17.98 643.51 9.94 685.55 31.45 665.04 32.21 665.06 31.85 01/13/20 702.48 15.02 NM NM 647.56 15.58 710.98 27.15 676.24 7.03 680.18 5.70 682.98 13.35 706.42 46.27 706.07 49.29 646.92 14.47 646.50 6.95 684.80 32.20 664.20 33.05 664.17 32.74 08/10/20 699.20 18.30 662.41 5.74 647.19 15.95 713.29 24.84 675.17 8.10 678.74 7.14 1 682.68 13.65 707.93 44.76 707.91 47.45 643.93 17.46 644.21 9.24 685.97 31.03 1 665.94 3 . 1 665.90 31.01 MEAN 697.84 19.66 660.45 7.70 646.62 16.52 707.25 30.88 674.75 8.52 678.55 7.33 682.11 14.22 705.09 47.60 705.83 49.53 642.63 18.76 643.06 10.39 685.22 31.78 664.43 32.82 664.26 32.65 MAXIMUM 704.67 24.80 666.00 11.00 649.45 20.35 714.84 36.36 677.34 10.52 682.68 9.91 685.13 15.07 709.41 50.38 707.99 52.48 646.92 21.60 646.50 13.12 687.85 35.32 665.97 34.54 665.99 35.21 MINIMUM 692.70 12.83 657.15 2.15 642.79 13.69 701.77 23.29 672.75 5.93 675.97 3.20 681.26 11.20 702.31 43.28 702.88 47.37 639.79 14.47 640.33 6.95 681.68 29.15 662.71 31.28 661.70 30.92 Notes: AMSL = Above Mean Sea Level NA = Not Available NM = Not Measured TOC = Top of Well Casing MW-3, MW-4, MW-5 and MW-10 are decommissioned monitoring wells and data are not included in this table. MW-18 was decomissioned and replaced by MW-18R after the July 2007 sampling event. MW-24 was decomissioned and replaaced by MW-24R after the January 2011 sampling event. MW-25, MW-26, MW-27, MW-27A, and MW-28 were installed prior to the January 2013 sampling event to monitor the Phase IV expansion. MW-21 and MW-22 were decommissioned after the July 2013 sampling event. MW-28R installed 7-11-2017. ' GOLDER Page 1 of 2 November 2020 Table 1 Project No. 20140083 Summary of Historical Static Groundwater Elevation Data Rowan County Landfill (Active MSW and Closed C&D Facilities) Permit No. 80-03 Well ID MW-24R MW-25 MW-26 MW-27 MW-27A MW-28 MW-28R TOC Elevation 717.10 707.46 697.30 663.90 664.02 682.06 685.26 (ft AMSL) Date Elevation DTW Elevation DTW Elevation DTW Elevation DTW Elevation DTW Elevation DTW Elevation DTW 11/05/04 NA NA NA NA NA NA NI 05/16/05 NA NA NA NA NA NA NI 12/30/05 NA NA NA NA NA NA NI 09/25/06 NA NA NA NA NA NA NI 01/30/07 NA NA NA NA NA NA NI 07/11/07 NA NA NA NA NA NA NI 08/06/07 NA NA NA NA NA NA NI 01/16/08 NA NA NA NA NA NA NI 07/29/08 NA NA NA NA NA NA NI 01/21/09 NA NA NA NA NA NA NI 07/14/09 NA NA NA NA NA NA NI 01/06/10 NA NA NA NA NA NA NI 07/20/10 NA NA NA NA NA NA NI 01/31/11 NA -- NA NA NA NA NA NI 07/18/11 681.72 35.78 NA NA NA NA NA NI 01/24/12 681.41 36.09 NA NA NA NA NA NI 07/17/12 681.29 36.21 NA -- NA -- NA -- NA NA -- NI -- 01 /22/13 680.64 36.86 632.88 35.27 627.43 35.71 729.34 8.79 673.93 9.34 661.20 24.68 N 1 24.68 07/15/13 681.18 36.32 634.73 33.42 629.43 33.71 730.14 7.99 675.03 8.24 662.90 22.98 NI 22.98 01 /27/14 680.99 36.51 634.04 34.11 629.23 33.91 730.08 8.05 675.06 8.21 662.79 23.09 N 1 23.09 07/14/14 681.81 35.69 636.56 31.59 631.05 32.09 729.55 8.58 674.43 8.84 665.43 20.45 NI 20.45 01/20/15 681.61 35.89 NM -- NM -- 730.22 7.91 674.96 8.31 662.22 23.66 NI 23.66 07/22/15 681.02 36.48 633.12 35.03 627.97 35.17 728.73 9.40 673.54 9.73 661.76 24.12 NI 24.12 01/12/16 681.09 36.41 631.79 36.36 627.48 35.66 730.23 7.90 675.07 8.20 662.89 22.99 NI 22.99 08/01 /16 681.40 36.10 632.72 35.43 627.26 35.88 728.99 9.14 673.82 9.45 661.94 23.94 N 1 23.94 01/17/17 680.94 36.56 630.63 37.52 626.14 37.00 729.25 8.88 674.00 9.27 661.33 24.55 NI 24.55 08/25/17 -- -- -- -- 626.52 36.62 -- -- -- -- -- -- -- -- 02/20/18 680.34 36.76 669.58 37.88 660.02 37.28 655.35 8.55 655.12 8.90 658.37 23.69 661.01 24.25 08/08/18 680.69 36.41 670.75 36.71 660.88 36.42 655.20 8.70 655.00 9.02 658.64 23.42 661.59 23.67 01/15/19 681.31 35.79 672.59 34.87 662.03 35.27 656.98 6.92 656.87 7.15 660.26 21.80 662.80 22.46 08/13/19 682.36 34.74 672.96 34.50 662.53 34.77 654.88 9.02 654.67 9.35 658.84 23.22 662.31 22.95 01/13/20 682.14 34.96 670.78 36.68 661.40 35.90 656.54 7.36 656.24 7.78 658.67 23.39 661.85 23.41 08/11/20 682.75 34.35 673.11 34.35 662.91 34.39 655.95 7.95 655.72 8.30 659.69 22.37 663.03 22.23 MEAN 681.35 36.02 648.50 35.37 640.57 35.38 701.92 8.38 667.35 8.70 661.27 23.18 662.03 23.32 MAXIMUM 682.75 36.86 673.11 37.88 662.91 37.28 730.23 9.40 675.07 9.73 665.43 24.68 663.03 24.68 MINIMUM 680.34 34.35 630.63 31.59 626.14 32.09 654.88 6.92 654.67 7.15 658.37 20.45 661.01 20.45 Notes: AMSL = Above Mean Sea Level NA = Not Available NM = Not Measured TOC = Top of Well Casing MW-3, MW-4, MW-5 and MW-10 are decommissioned monitoring wells and data are not included in this table. MW-18 was decomissioned and replaced by MW-18R after the July 2007 sampling event. MW-24 was decomissioned and replaaced by MW-24R after the January 2011 sampling event. MW-25, MW-26, MW-27, MW-27A, and MW-28 were installed prior to the January 2013 sampling event to monitor the Phase IV expansion. MW-21 and MW-22 were decommissioned after the July 2013 sampling event. MW-28R installed 7-11-2017. ' GOLDER Page 2 of 2 Nomverber 2020 Table 2 Summary of Estimated Horizontal Flow Velocities Rowan County Landfill (Active MSW and Closed C&D Facilities) Permit #80-03 Project No. 20140083 August 2020 Gradient Calculation Gradient Segment Gradient Segment Horizontal Gradient Effective Porosity Hydraulic Velocity (V9w, Segment 9 Flow Direction Length feet g (feet) Elevations feet (feet) 1, feet ( ) n (e) Conductivity (K, feet/ ear Y ) cm/sec) i SW 2462 -------""""" 0.0203 0.26 0.002 162 690 /2 SSW 1699 700 -------"""""660"""""------- 0.0235 0.26 0.002 187 i s SSW 937 700 0.0640 0.26 0.002 510 640 Notes: Horizontal velocities based on the modified Darcy equation V9W = Ki/ne, Values for K and ne were based on geometric average values taken from S&ME's October 2005 Design Hydrogeologic Report referenced in the text. J GOLDER Page 1 of 1 November 2020 Table 3 Summary of Monitoring Well Construction Information Rowan County Landfill (Active MSW and Closed C&D Facilities) Permit No. 80-03 Project No. 20140083 Well Identification Northing Easting Date of Construction Ground Surface Elevation (ft AMSL) TOC Elevation (ft AMSL) Well Depth (ft bgs) Well Diameter (inches) Screened Interval (ft AMSL) Geology of Screened Interval Well Type MW-1 1536611.82 733038.15 715.00 717.50 27.0 2 690.50 - 700.50 Partially Weathered Rock Compliance Monitoring Point MW-6 1538418.99 732034.90 665.55 668.15 53.7 2 614.45 - 619.45 Water Level Only MW-7 1538340.33 731108.57 660.60 663.14 28.5 2 634.64 - 644.64 Compliance Monitoring Point MW-9 1536844.42 733960.05 698.63 738.13 39.5 2 698.63 - 708.63 Compliance Monitoring Point MW-11 1538285.50 732876.62 680.94 683.27 23.9 2 659.32 - 669.32 Compliance Monitoring Point MW-12 1538299.11 733113.18 682.94 685.88 22.6 2 663.28 - 673.28 Compliance Monitoring Point MW-13 1538303.87 733395.18 694.31 696.33 24.5 2 671.80 - 681.80 Compliance Monitoring Point MW-16 1539006.79 734292.09 750.50 752.69 56.7 2 695.99 - 705.99 Compliance Monitoring Point MW-17 1539992.75 733886.30 - 752.42 755.36 55.0 2 697.42 - 712.42 Compliance Monitoring Point MW-18R 1540067.64 732809.77 07/24/07 658.30 661.39 30.0 2 628.30 - 643.30 Saprolite/PWR Compliance Monitoring Point MW-19 1540348.55 732908.08 - 650.47 653.45 20.0 2 630.47 - 645.47 Compliance Monitoring Point MW-20 1536619.71 732537.54 04/05/05 713.90 717.00 33.0 2 680.9 - 695.9 Saprolite/PWR Compliance Monitoring Point MW-23 1537990.80 732183.59 04/08/05 694.29 697.25 38.5 2 655.79 - 670.79 Saprolite/PWR Compliance Monitoring Point MW-23A 1537990.80 732173.30 04/11/05 693.82 696.91 68.5 2 625.32 - 640.32 Saprolite/PWR Compliance Monitoring Point MW-24R 1537954.02 732801.79 04/12/11 714.39 717.10 43.6 2 686.39 - 671.39 Saprolite/PWR Compliance Monitoring Point MW-25 1536603.20 731757.27 04/15/11 704.98 707.46 40.6 2 679.42 - 664.42 Compliance Monitoring Point MW-26 1537383.59 731382.04 04/21/11 694.80 697.30 38.9 2 670.88 - 655.88 Compliance Monitoring Point MW-27 1538076.45 731358.39 04/26/11 661.46 663.90 18.5 2 657.96 - 642.96 Compliance Monitoring Point MW-27A 1538084.39 731350.62 04/25/11 661.27 664.02 64.3 2 602.27 - 597.27 Water Level Only MW-28 1538097.33 731753.26 04/26/11 679.23 682.03 26.2 2 668.02 - 653.02 Water Level Only MW-28R 731882.07 1538013.18 07/11/17 683.04 685.26 35.3 2 666.04 - 651.04 Compliance Monitoring Point Notes: ft AMSL = feet above mean sea level ft bgs = feet below ground surface TOC = Top of Well Casing Elevation Monitoring wells MW-6, MW-27A, and MW 28 are monitored for water levels only. Iii GOLDER Page 1 of 1 November 2020 Project No. 20140083 Table 4 Summary of Detected Constituents in Groundwater for the Municipal Solid Waste Landfill Rowan County Landfill (Active MSW and Closed C&D Facilities) Permit 80-03 Detected Monitoring Constituents/Analytes Units Sample Date MDL MRL SWS Reporting Upgradient MSW Wells Sidegradient and Downgradient MSW Wells French Drain Blanks Limit MW49 MW-16 MW-1 MWfi MW-7 MW-11 MW-12 MW-13 MW-20 MW-21 MW-22 MW-23 MW-23A MW-24 MW-24R MW-25 MW-26 MW-27 MW-28 MW-28R Antimony ug/L 10/01/93 -- - -- NO -- NO NO NO — -- — — — — — — — — — — — — — — — IMAC=1 ug/L ug/L 07/01/94 -- - -- NO -- ND ND ND — — -- — — — — — — — — — — — — — — EPA MCL = 6 ug/L ug/L 10/01/94 -- - -- NO -- ND ND ND — — -- — — — — — — — — — — — — — — ug/L 01/01/95 -- - -- NO -- ND ND NO -- - -- - - - - - - - - - - - - - - ug/L 05/01/95 -- - -- NO -- ND ND 10 -- - -- - - - - - - - - - - - - - - ug/L 10/01/95 -- - -- NO -- ND ND NO -- - -- - - - - - - - - - - - - - - ug/L 04/01/96 -- - -- NO -- ND ND NO — — -- — — — — — — — — — — — — — — ug/L 10/01/96 -- - -- NO -- ND ND ND — — -- — — — -- — — — — — — — — — — ug/L 04/01/97 -- - -- NO -- ND ND ND — — -- — — — -- — — — — — — — — — — ug/L 10/01/97 -- - -- NO ND ND ND ND ND ND ND — — — -- — — — — — — — — — — ug/L 04/01/98 -- - -- NO ND ND ND ND ND ND ND — — — -- — — — — — — — — — — ug/L 10/01/98 -- - -- NO ND ND ND ND ND ND ND — — — -- — — — — — — — — — — ug/L 04/01/99 -- - -- NO ND ND ND ND ND ND ND — — — — — — — — — — — — — — ug/L 09/01/99 -- - -- NO ND ND ND ND ND ND ND — — — — — — — — — — — — — — ug/L 05/01/00 -- - -- NO ND ND ND ND ND ND ND — — — — — — — — — — — — — — ug/L 09/01/00 -- - -- NO ND ND ND ND ND ND ND — — — — — — — — — — — — — — ug/L 04/01/01 -- - -- NO ND ND ND ND ND ND ND — — — — — — — — — — — — — — ug/L 10/01/01 -- - -- NO ND 54 NO NO ND NO 33 — — — — — — — — — — — — — — ug/L 04/01/02 -- - -- NO ND ND ND ND ND ND ND — — — — — — — — — — — — — — ug/L 11/01/02 -- - -- NO ND ND ND ND ND ND ND — — — — — — — — — — — — — — ug/L 05/01/03 -- - -- NO ND ND ND ND ND ND ND — — — — — — — — — — — — — — ug/L 10/01/03 -- - -- NO ND ND ND ND ND ND ND — — — — — — — — — — — — — — ug/L 05/01/04 -- - -- NO ND ND ND ND ND ND ND — — — — — — — — — — — — — — ug/L 11/01/04 -- - -- ND ND ND ND ND ND ND ND — — — — — — — — — — — — — — ug/L 05/01/05 -- - -- ND ND ND ND ND ND ND ND — — — — — — — — — — — — — — ug/L 11/04/05 -- - -- - -- - - - - - -- NO ND ND ND ND ND — — — — — — — — ug/L 12/12/05 -- - -- - -- - - - - - -- NO ND ND ND ND ND — — — — — — — — ug/L 12/13/05 -- - -- - -- - - - - - -- NO ND ND ND ND ND — — — — — — — — ug/L 12/22/05 -- - -- - -- - - - - - -- NO NO NO ND ND ND — — — — — — — — ug/L 12/30/05 -- — 30 ND ND ND ND ND ND ND ND NO NO NO ND ND ND -- -- -- -- -- — — ND ug/L 09/26/06 -- — 30 ND ND ND ND ND ND NO ND NO NO NO ND NO ND -- -- -- -- -- - -- ND ug/L 01/31/07 -- — 6 NO ND ND ND ND ND NO ND NO NO NO ND NO ND — — — — — — -- ND ug/L 07/12/07 -- — 6 NO ND ND ND ND ND NO ND NO NO NO NO NO Dry — — — — — — ND ND ug/L 01/17/08 -- — 6 NO ND ND ND ND ND NO ND NO ND NO NO NO Dry — — — — — — ND ND ug/L 07/30/08 -- — 6 NO ND ND ND ND ND NO ND NO NO NO NO NO Dry — — — — — — ND ND ug/L 01/21/09 -- — 6 NO ND ND ND ND ND NO ND NO ND NO NO NO Dry — — — — — — ND ND ug/L 07/14/09 -- — 6 NO ND ND ND ND ND NO ND NO NO NO NO ND Dry — — — — — — NO ND ug/L 01/07/10 -- — 6 NO 0.16 J ND ND ND ND NO ND NO NO NO NO ND Dry — — — — — — NO ND ug/L 07/20/10 -- — 6 NO ND ND ND ND ND NO ND NO NO NO ND NO Dry — — — — — — NO ND ug/L 01/31/11 -- — 6 NO ND ND ND 0.243 J ND NO 0.444 J NO NO NO ND NO Dry -- -- -- -- -- — NO ND ug/L 07/18/11 -- — 6 NO ND 0.245 J ND ND ND ND ND ND NO 0.281 J ND NO -- ND -- -- -- -- — NO ND ug/L 01/24/12 -- — 6 NO ND 0.542 B ND 0.754 B ND ND ND ND NO ND ND NO -- ND -- -- -- -- — ND 0.259 J ug/L 07/17/12 -- — 6 NO ND 0.673 J 0.339 J 1.22 J ND NO ND NO 0.306 J ND NO NO -- NO — — — — — NO ND ug/L 01/22/13 -- — 6 1.6 B ND 0.787 B — ND 0.241 B ND 0.439 B Dry NO ND NO ND — ND ND ND ND ND — ND 0.35 J ug/L 07/15/13 -- — 6 ND ND ND — ND ND ND ND ND — — ND NO — ND ND ND ND ND — ND ND ug/L 01/27/14 -- — 6 0.256 J ND 1.06 J — 0.334 J ND 1.71 J ND Dry — — NO NO — ND NO ND ND ND — ND ND ug/L 07/15/14 -- — 6 ND ND 0.428 J — ND ND 1.29 J ND ND — — NO NO — ND NO ND ND ND — ND ND ug/L 01/20/15 0.22 — 6 0.315 J ND 0.645 J — 0.407 J 0.307 J 1.2 J ND NO — — NO NO — ND — — — — — — ND ug/L 07/23/15 0.22 — 6 ND ND ND — 0.325 J ND 1 J ND Dry — — ND ND — ND ND 0.26 J ND ND -- ND ND ug/L 01/12/16 0.22 — 6 0.446 B ND 1.37 B — 0.637 B 0.224 B 0.772 B ND NO — — NO ND — ND NO ND 0.239 B NO — ND 0.577 J ug/L 08/01/16 0.22 — 6 ND ND ND ND ND ND ND ND ND — — ND ND — ND ND ND ND ND -- ND ND ug/L 01/18/17 0.37 — 6 ND ND ND — ND ND 0.618 J ND ND — — ND NO — ND ND ND ND ND -- ND ND ug/L 07/24/17 0.37 — 6 ND ND NO — NO NO NO ND NO — — NO NO — NO NO NO NO — NO Dry NO ug/L 11/01/17 0.37 — 6 — -- — — — — — -- — — — — — — — — — — — NO Dry NO ug/L 02/20/18 0.37 — 6 ND ND NO — NO NO NO ND NO — — NO NO — NO NO NO NO — NO Dry NO ug/L 08/08/18 1.85 5.00 -- ND ND ND — ND ND ND ND ND — — ND ND — ND ND ND ND ND Dry ND ug/L 01/15/19 1.85 5.00 -- ND ND ND — ND ND ND ND ND — — ND ND — ND ND ND ND -- ND Dry ND ug/L 08/14/19 0.74 2.00 -- ND ND ND — ND ND ND ND ND — — ND ND — ND ND ND ND — ND ND ND ug/L 01/13/20 0.74 2.00 -- ND ND ND — ND ND ND ND ND — — ND ND — ND ND ND ND — ND Dry ND u /L 08/11/20 0.740 2.00 ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND I ND k> GOLDER Pepe 1 W 2p November 2020 Project No. 20140083 Table 4 Summary of Detected Constituents in Groundwater for the Municipal Solid Waste Landfill Rowan County Landfill (Active MSW and Closed C&D Facilities) Permit 80-03 Detected Monitoring Constituents/Analytes Units Sample Date MDL MRL SWS Reporting Limit Upgradient MSW Wells Sidegradient and Downgradient MSW Wells French Drain Blanks MW41 ND MW-16 -- MW-1 ND MWfi ND MW-7 ND MW-11 -- MW-12 - MW-13 - MW-20 - MW-21 - MW-22 - MW-23 - MW-23A - MW-24 - MW-24R - MW-25 - MW-26 - MW-27 - MW-28 - MW-28R - Arsenic ug/L 10/01/93 -- - -- - - NC 2L = 10 ug/L ug/L 07/01/94 -- - -- ND -- ND ND ND -- - - - - - - - - - - - - - - - - EPA MCL = 10 ug/L ug/L 10/01/94 -- - -- ND -- ND ND ND -- - -- - - - - - - - - - - - - - - ug/L 01/01/95 -- - -- NO -- ND ND ND - - -- - - - - - - - - - - - - - - ug/L 05/01/95 -- - -- NO -- ND ND NO - - -- - - - - - - - - - - - - - - ug/L 10/01/95 -- - -- NO -- ND ND 27 - - -- - - - - - - - - - - - - - - ug/L 04/01/96 -- - -- NO -- ND ND NO - - -- - - - - - - - - - - - - - - ug/L 10/01/96 -- - -- NO -- ND ND ND - - -- - - - - - - - - - - - - - - ug/L 04/01/97 -- - -- NO -- ND ND ND - - -- - - - - - - - - - - - - - - ug/L 10/01/97 -- - -- NO ND ND ND ND ND ND ND - - - - - - - - - - - - - - ug/L 04/01/98 -- - -- NO ND ND ND ND ND ND 11 - - - - - - - - - - - - - - ug/L 10/01/98 -- - -- NO ND ND ND ND ND ND ND - - - - - - - - - - - - - - ug/L 04/01/99 -- - -- NO ND ND ND ND ND ND ND - - - - - - - - - - - - - - ug/L 09/01/99 -- - -- NO ND ND ND ND ND ND 10 - - - - - - - - - - - - - - ug/L 05/01/00 -- - -- NO ND ND ND 15 18 ND 21 - - - - - - - - - - - - - - ug/L 09/01/00 -- - -- NO ND 12 NO 14 36 NO 63 - - - - - - - - - - - - - - ug/L 04/01/01 -- - -- NO ND ND ND NO 14 NO 24 - - - - - - - - - - - - - - ug/L 10/01/01 -- - -- NO ND 64 NO 31 30 ND 100 - - - - - - - - - - - - - - ug/L 04/01/02 -- - -- NO ND NO ND ND ND ND ND - - - - - - - - - - - - - - ug/L 11/01/02 -- - -- NO 12 NO NO 11 ND ND ND - - - - - - - - - - - - - - ug/L 05/01/03 -- - -- NO ND ND ND ND ND ND ND - - - - - - - - - - - - - - ug/L 10/01/03 -- - -- NO ND ND ND ND ND ND ND - - - - - - - - - - - - - - ug/L 05/01/04 -- - -- ND ND ND ND ND ND ND ND - - - - - - - - - - - - - - ug/L 11/01/04 -- - -- ND ND ND ND ND ND ND ND - - - - - - - - - -- -- - - - ug/L 05/01/05 -- - -- ND 13 ND ND ND ND ND ND - - - - - - - - - -- -- - - - ug/L 11/04/05 -- - -- - -- - - - - - -- NO ND NO ND ND ND - - - -- -- - - - ug/L 12/12/O5 -- - -- - -- - - - - - -- NO ND 31 NO NO NO - - - - -- - - - ug/L 12/13/05 -- - -- - -- - - - - - -- NO ND NO ND ND ND - - - - -- - - - ug/L 12/22/05 -- - -- - -- - - - - - -- NO NO 29 NO NO NO - - - - -- - - - ug/L 12/30/05 -- - 10 NO ND ND ND ND ND ND ND NO NO NO ND ND ND -- -- -- -- -- - - ND ug/L 09/26/06 -- - 10 NO ND ND ND ND ND ND ND NO NO NO ND ND ND -- -- -- -- -- - -- ND ug/L 01/31/07 -- - 10 ND 3.7 B 2.3 B ND 3.9 B ND ND 2.5 B NO NO NO 2.2 B NO 3.1 B - - - -- -- - - 3 J ug/L 07/12/07 -- - 10 ND ND ND ND ND ND ND ND NO NO NO ND ND Dry -- -- -- -- -- - ND ND ug/L 01/17/08 -- - 10 ND 2.1 J 2.6 J ND 3.5 J ND ND ND 2.7 J NO NO NO 2.1 J Dry - - - -- -- - 2.3 J ND ug/L 07/30/08 -- - 10 NO ND ND ND ND ND 3.7 J ND NO NO 3.3 J NO 4.1 J Dry - - - -- -- - 3.1 J ND ug/L 01/21/09 -- - 10 ND ND ND ND ND ND NO ND NO NO NO NO ND Dry -- -- -- -- -- - ND ND ug/L 07/14/09 -- - 10 ND ND ND ND ND ND ND ND NO 4.4 B NO NO NO Dry - - - -- -- - ND 3.84 J ug/L 01/07/10 -- - 10 ND ND ND ND ND ND ND ND NO NO NO NO NO Dry -- -- -- -- -- - NO ND ug/L 07/20/10 -- - 10 ND ND ND ND ND ND NO ND NO NO NO NO NO Dry -- -- -- -- -- - NO ND ug/L 01/31/11 -- - 10 ND ND ND ND 3.46 B ND 4.77 B ND NO NO 5.07 B ND ND Dry -- -- -- -- -- - NO 4.78 J ug/L 07/18/11 -- - 10 NO ND 4.77 J ND 3.02 J ND ND ND NO NO NO ND ND -- 3.59 J -- -- -- -- - NO ND ug/L 01/24/12 -- - 10 NO ND ND ND ND ND ND ND ND NO ND ND ND -- ND -- -- -- -- - NO ND ug/L 07/17/12 -- - 10 NO ND 3.9 J ND 4.82 J 4.18 J 2.96 J ND 3.14 J 5.61 J NO 4.45 J 3.31 J -- 5.72 J - - -- -- - NO ND ug/L 01/22/13 -- - 10 ND ND ND - ND ND ND ND Dry NO NO NO ND -- ND NO ND NO NO -- ND ND ug/L 07/15/13 -- - 10 ND ND ND - ND ND ND ND ND - - NO NO -- ND NO ND NO NO -- NO ND ug/L 01/27/14 -- - 10 NO ND ND - ND ND ND ND Dry - - NO NO -- NO ND ND NO NO -- NO ND ug/L 07/15/14 -- - 10 NO ND ND - ND ND ND ND ND - - NO NO - ND ND ND NO NO -- NO ND ug/L 01/20/15 5.4 - 10 ND ND ND - ND ND ND ND ND - - NO NO - ND - - -- -- - - ND ug/L 07/23/15 6.8 - 10 ND ND ND - ND ND NO ND Dry - - NO NO - NO ND ND NO NO -- NO ND ug/L 01/12/16 6.8 - 10 ND ND ND - ND ND NO ND ND - - NO NO - ND ND ND NO NO -- ND ND ug/L 08/01/16 6.8 - 10 ND ND ND ND ND ND NO ND ND - - NO ND - ND ND ND ND ND -- ND ND ug/L 01/18/17 6.8 - 10 ND ND ND - ND ND NO ND ND - - NO NO - ND ND ND ND ND -- ND ND ug/L 07/24/17 6.8 - 10 ND ND ND - ND ND ND ND ND - - ND ND - ND ND ND ND - ND Dry ND ug/L 11/01/17 6.8 - 10 - -- - - - - - -- - - - - - - - - - - - ND Dry ND ug/L 02/20/18 6.8 - 10 ND ND ND - ND ND ND ND ND - - ND ND - ND ND ND ND - ND Dry ND ug/L 08/08/18 7.6 10.0 -- ND ND ND - ND ND ND ND ND - - ND ND - ND ND ND ND ND Dry ND ug/L 01/15/19 7.6 10.0 -- ND ND ND - ND ND ND ND ND - - ND ND - ND ND ND ND -- ND Dry ND ug/L O8114/19 7.6 10.0 -- ND ND ND - ND ND ND ND ND - - ND ND - ND ND ND ND -- ND ND ND ug/L 01/13/20 7.6 10.0 -- ND ND ND - ND ND ND ND ND - - ND ND - ND ND ND ND -- ND Dry ND u /L 08/11/20 7.60 10.0 ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND k> GOLDER Peea 2 m 20 November 2020 Project No. 20140083 Table 4 Summary of Detected Constituents in Groundwater for the Municipal Solid Waste Landfill Rowan County Landfill (Active MSW and Closed C&D Facilities) Permit 80-03 Detected Monitoring Constituents/Analytes Units Sample Date MDL MRL SWS Reporting Limit Upgradient MSW Wells Sidegradient and Downgradient MSW Wells French Drain Blanks MW49 ND MW-16 -- MW-1 100 MWfi ND MW-7 200 MW-11 -- MW-12 - MW-13 - MW-20 - MW-21 - MW-22 - MW-23 - MW-23A - MW-24 - MW-24R - MW-25 - MW-26 - MW-27 - MW-28 - MW-28R - Barium ug/L 10/01/93 -- - -- - - NC2L=700 ug/L ug/L 07/01/94 -- - -- ND -- ND ND 200 - - - - - - - - - - - - - - - - - EPA MCL = 2000 ug/L ug/L 10/01/94 -- - -- ND -- ND ND ND - - - - - - - - - - - - - - - - - ug/L 01/01/95 -- - -- NO -- ND ND ND - - -- - - - - - - - - - - - - - - ug/L 05/01/95 -- - -- 100 -- ND ND 200 - - -- - - - - - - - - - - - - - - ug/L 10/01/95 -- - -- NO -- ND ND 1850 - - -- - - - - - - - - - - - - - - ug/L 04/01/96 -- - -- ND -- ND NO ND - - -- - - - - - - - - - - - - - - ug/L 10/01/96 -- - -- ND -- ND NO NO - - -- - - - - - - - - - - - - - - ug/L 04/01/97 -- - -- 75 -- 58 NO 610 - - -- - - - - - - - - - - - - - - ug/L 10/01/97 -- - -- 91 110 92 ND 350 1600 230 4500 - - - - - - - - - - - - - - ug/L 04/01/98 -- - -- 110 160 52 ND 310 950 470 3200 - - - - - - - - - - - - - - ug/L 10/01/98 -- - -- 61 NO 110 ND 140 430 180 690 - - - - - - - - - - - - - - ug/L 04/01/99 -- - -- ND ND ND ND ND 540 ND ND - - - - - - - - - - - - - - ug/L 09/01/99 -- - -- NO ND ND ND ND 510 ND 710 - - - - - - - - - - - - - - ug/L 05/01/00 -- - -- NO ND ND ND 690 910 NO 1300 - - - - - - - - - - - - - - ug/L 09/01/00 -- - -- NO ND ND ND 580 1000 NO 2100 - - - - - - - - - - - - - - ug/L 04/01/01 -- - -- NO ND NO ND ND 690 ND 1100 - - - - - - - - - - - - - - ug/L 10/01/01 -- - -- NO ND 3000 NO 1100 910 NO 4000 - - - - - - - - - - - - - - ug/L 04/01/02 -- - -- NO ND NO ND ND ND ND ND - - - - - - - - - - - - - - ug/L 11/01/02 -- - -- NO ND NO ND ND ND ND ND - - - - - - - - - - - - - - ug/L 05/01/03 -- - -- NO ND ND ND ND ND NO NO - - - - - - - - - - - - - - ug/L 10/01/03 -- - -- NO ND ND ND ND ND NO NO - - - - - - - - - - - - - - ug/L 05/01/04 -- - -- NO ND ND ND ND ND NO NO - - - - - - - - - - - - - - ug/L 11/01/04 -- - -- ND NO ND ND ND ND ND NO - - - - - - - - - - - - - - ug/L 05/01/05 -- - -- ND NO ND ND ND ND ND NO - - - - - - - - - - - - - - ug/L 11/04/O5 -- - -- - -- - - - - - -- ND ND ND ND ND ND - - - - - - - - ug/L 12/12/O5 -- - -- - -- - - - - - -- ND ND 1300 740 NO NO - - - - - - - - ug/L 12/13/O5 -- - -- - -- - - - - - -- ND ND ND ND ND ND - - - - - - - - ug/L 12/22/05 -- - -- - -- - - - - - -- ND NO 1100 ND ND NO - - - - - - - - ug/L 12/30/05 -- - 500 ND NO ND ND ND ND ND NO ND ND ND ND ND ND -- -- -- - - - - ND ug/L 09/26/06 -- - 500 ND NO ND ND ND ND ND NO ND ND ND ND ND ND -- -- -- - - - - ND ug/L 01/31/07 -- - 100 63.5 41.2 72.4 2 J 56.8 70.6 57.2 96.6 110 129 57.4 91.5 15.9 148 -- -- -- - - - - 0.04 J ug/L 07/12/07 -- - 100 57.9 J 15 J 78.1 J 1.8 J 54.8 J 46.8 J 57 J 101 94.9 J 154 50.8 J 104 11.5 J Dry -- -- -- - - - 28.4 J ND ug/L 01/17/08 -- - 100 55.7 J 17.4 J 84.9 J 1.9 J 58 J 75.2 J 64.2 J 195 108 38.9 J 43.3 J 125 16.2 J Dry -- -- -- -- - - 32.3 J ND ug/L 07/30/08 -- - 100 50.6 J 14.2 J 86.2 J 1.9 J 77.7 J 66.1 J 64.6 J 139 72.8 J 104 47.5 J 83.3 J 11.8 J Dry -- - -- -- - - 40.2 J ND ug/L 01/21/09 -- - 100 51.4 J 14.5 J 62.7 J 2 J 59.5 J 61.1 J 65.7 J 101 66.3 J 28.5 J 52.6 J 102 11.6 J Dry -- - -- -- - - 31.6 J ND ug/L 07/14/09 -- - 100 56.6 J 15 J 72.2 J ND 63.2 J 50.2 J 62.6 J 115 102 32.8 J 48 J 109 10.9 J Dry -- - -- -- - - 33.1 J ND ug/L 01/07/10 -- - 100 51.1 J 12 J 55.7 J 1.59 B 56.6 J 68.3 J 65.3 J 76.5 J 84.4 J 28.6 J 83.5 J 89.8 J 10.5 J Dry -- - -- -- -- - 31.4 J 0.481 J ug/L 07/20/10 -- - 100 41.4 J 10.2 J 58.3 J 1.49 J 78.7 J 40.3 J 51.1 J 146 76.2 J 41.9 J 27.8 J 139 12.3 J Dry -- - -- -- -- - 37 J ND ug/L 01/31/11 -- - 100 62.3 J 17.3 J 78.2 J 1.78 J 58.3 J 82.6 J 80.6 J 104 97.7 J 24.9 J 41.1 J 115 44.5 J Dry -- - -- -- -- - 31.1 J ND ug/L 07/18/11 -- - 100 69.8 J 19 J 83.3 J 1.59 J 66.3 J 51.7 J 68.5 J 108 117 24.2 J 47.1 J 148 47.7 J -- 99.6 J - -- -- -- - 34.1 J ND ug/L 01/24/12 -- - 100 59 J 17.4 J 77.5 J 1.04 J 59.1 J 85.2 J 74.9 J 88.1 J 110 24 J 58.5 J 101 64.2 J -- 90.3 J - -- -- -- - 34.2 J ND ug/L 07/17/12 -- - 100 61.3 J 18.6 J 80.6 J 1.63 B 59.6 J 48.6 J 59 J 99.5 J 123 21.1 J 70.2 J 123 79.3 J -- 97.1 J - -- -- -- - 43.7 J 1.32 J ug/L 01/22/13 -- - 100 83.8 J 21.5 J 96.2 J - 61 J 72.8 J 74.1 J 104 Dry 36.9 J 76.5 J 155 121 -- 88.3 J 83.7 J 78.4 J 54.5 J 1050 - 31.3 J 1.24 J ug/L 07/15/13 -- - 100 58 J 23.8 J 68.8 J - 66.5 J 51.9 J 54.6 J 99.2 J 87.2 J - - 168 66.7 J - 82.6 J 29.8 J 92.3 J 40 J 1410 - 37.1 J 1.75 J ug/L 01/27/14 -- - 100 52.8 J 23.3 J 58.9 J - 60.1 J 63 J 54.6 J 80.8 J Dry - - 107 55.5 J - 72.8 J 27.5 J 109 48.1 J 1410 - 36.7 J 1.18 J ug/L 07/15/14 -- - 100 54.7 J 22.2 J 66.9 J - 66.3 J 41.2 J 67.6 J 93.7 J 102 - - 170 34.2 J - 69.1 J 24.3 J 95.1 J 42 J 1510 - 31.7 J ND ug/L 01/20/15 1 - 100 60.1 J 21.9 J 82.2 J - 68 J 52 J 61.8 J 107 111 - - 159 51.7 J -- 73.7 J - - -- -- -- - 1.01 J ug/L 07/23/15 1 - 100 57 J 20.3 J 76.6 J - 65.6 J 51.7 J 60.2 J 104 Dry - - 158 78.5 J - 66.2 J 27.3 J 95.9 J 51.5 J 1390 - 30.7 J ND ug/L 01/12/16 1 - 100 54.2 J 21.6 J 85.3 J - 61.9 J 52.5 J 58.5 J 81.5 J 84.1 J - - 118 32.2 J - 61.5 J 29.8 J 69.6 J 53.9 J 1390 - 37.7 J 1.94 J ug/L 08/01/16 1 - 100 55.4 J 21.3 J 79.6 J 2.66 J 56 J 51.9 J 52.4 J 94.5 J 102 - - 135 44.3 J -- 54.4 J 23.8 J 67.1 J 53.5 J 1500 - 27.1 J ND ug/L 01/18/17 1 - 100 58.2 J 19.4 J 85.0 J - 61.2 J 55.3 J 66.5 J 102 77.2 J - - 137 29.3 J -- 56.7 J 32.4 J 56 J 68 J 1450 - 44.7 J NO ug/L 07/24/17 1 - 100 56.9 J 23.6 J 76.4 J - 65.5 J 52.7 J 61.6 J 109 153 - - 90.6 J 32.0 J - 55.5 J 29.1 J 54.7 J 83.0 J -- 193 Dry 2.03 J ug/L 11/01/17 1 - 100 - -- - - - - - -- - - - - - - - - - - - 229 Dry NO ug/L 02/20/18 1 - 100 46.5 J 20.3 J 79.8 J - 59.5 J 44.2 J 57.1 J 85.6 J 59.8 J - - 129 31.7 J - 51.8 J 29.6 J 41.7 J 72.7 J -- 230 Dry ND ug/L 08/08/18 1.1 10.0 -- 46.5 19.3 84.0 - 62.1 44.6 60.1 92.7 82.7 - - 158 20.0 - 49.4 31.0 46.1 80.2 -- 272 Dry 3.31 J ug/L 01/15/19 1.1 10.0 -- 54.7 22.3 96.4 - 68.4 49.8 65.8 67.7 100 - - 166 22.0 - 55.9 32.0 60.9 96.7 -- 240 Dry ND ug/L 08/14/19 1.1 10.0 -- 60.4 16.9 88.1 - 65.5 40.2 55.6 91.2 68.8 - - 205 19.3 - 52.4 25.9 68.7 79.5 -- 337 38.9 2.69 J ug/L 01/13/20 1.1 10.0 -- 61.3 14.9 90.6 - 61.2 46.4 61.1 52.1 89.6 - - 178 20.5 - 51.4 28.2 55.2 70.3 -- 219 Dry 1.11 J u /L 08/11/20 1.10 10.0 67.6 16.6 102 66.1 52.5 53.3 102 79.1 249 21.7 57.2 27.8 74.4 82.9 395 33.0 ND k> GOLDER Peee 3 m 20 November 2020 Project No. 20140083 Table 4 Summary of Detected Constituents in Groundwater for the Municipal Solid Waste Landfill Rowan County Landfill (Active MSW and Closed C&D Facilities) Permit 80-03 Detected Monitoring Constituents/Analytes Units Sample Date MDL MRL SWS Reporting Limit Upgradient MSW Wells Sidegradient and Downgradient MSW Wells French Drain Blanks MW49 ND MW-16 -- MW-1 ND MWfi ND MW-7 ND MW-11 -- MW-12 - MW-13 - MW-20 - MW-21 - MW-22 - MW-23 - MW-23A - MW-24 - MW-24R - MW-25 - MW-26 - MW-27 - MW-28 - MW-28R - Beryllium ug/L 10/01/93 -- - -- - - IMAC=4 ug/L ug/L 07/01/94 -- - -- ND -- ND ND ND -- - -- - - - - - - - - - - - - - - EPA MCL=4 ug/L ug/L 10/01/94 -- - -- ND -- ND ND ND -- - -- - - - - - - - - - - - - - - ug/L 01/01/95 -- - -- NO -- ND ND ND -- - -- - - - - - - - - - - - - - - ug/L 05/01/95 -- - -- NO -- ND ND ND -- - -- - - - - - - - - - - - - - - ug/L 10/01/95 -- - -- NO -- ND ND 18.4 -- - -- - - - - - - - - - - - - - - ug/L 04/01/96 -- - -- NO -- ND ND 9.3 - - -- - - - - - - - - - - - - - - ug/L 10/01/96 -- - -- NO -- ND ND ND - - -- - - - - - - - - - - - - - - ug/L 04/01/97 -- - -- NO -- ND ND 7 - - -- - - - - - - - - - - - - - - ug/L 10/01/97 -- - -- NO ND ND ND 5 15 1 13 - - - - - - - - - - - - - - ug/L 04/01/98 -- - -- NO ND ND ND 3 9 3 29 - - - - - - - - - - - - - - ug/L 10/01/98 -- - -- NO ND ND ND NO 3 ND 3 - - - - - - - - - - - - - - ug/L 04/01/99 -- - -- 3 ND ND ND ND 4 ND ND - - - - - - - - - - - - - - ug/L 09/01/99 -- - -- NO ND ND ND ND 4 ND 4 - - - - - - - - - - - - - - ug/L 05/01/00 -- - -- NO ND ND ND 6 8 ND 10 - - - - - - - - - - - - - - ug/L 09/01/00 -- - -- NO ND 4 ND 5 10 NO 18 - - - - - - - - - - - - - - ug/L 04/01/01 -- - -- NO ND ND ND 3 8 NO 10 - - - - - - - - - - - - - - ug/L 10/01/01 -- - -- NO ND 30 NO 11 10 NO 29 - - - - - - - - - - - - - - ug/L 04/01/02 -- - -- NO ND ND ND ND ND ND ND - - - - - - - - - - - - - - ug/L 11/01/02 -- - -- NO ND ND ND ND ND ND ND - - - - - - - - - - - - - - ug/L 05/01/03 -- - -- NO ND ND ND 2 ND ND ND - - - - - - - - - - - - - - ug/L 10/01/03 -- - -- NO ND ND ND ND ND ND ND - - - - - - - - - - - - - - ug/L 05/01/04 -- - -- ND ND ND ND ND ND ND ND - - - - - - - - - - - - - - ug/L 11/01/04 -- - -- ND ND ND ND ND ND ND ND - - - - - - - - - - - - - - ug/L 05/01/05 -- - -- ND ND ND ND ND ND ND ND - - - - - - - - - - - - - - ug/L 11/04/O5 -- - -- - -- - - - - - -- NO ND NO ND ND 4.3 - - - - - - - - ug/L 12/12/O5 -- - -- - -- - - - - - -- NO ND 7.6 4.1 NO 3.1 - - - - - - - - ug/L 12/13/05 -- - -- - -- - - - - - -- NO 21 NO ND NO 3.7 - - - - - - - - ug/L 12/22/05 -- - -- - -- - - - - - -- NO ND 5.8 ND NO NO - - - - - - - - ug/L 12/30/05 -- - 2 NO ND ND ND ND ND NO ND ND ND NO 2.6 ND ND - - - - - - - ND ug/L 09/26/06 -- - 2 NO ND ND ND ND ND NO ND ND ND ND ND ND ND -- -- -- -- - - -- ND ug/L 01/31/07 -- - 1 NO ND ND ND ND ND NO ND ND ND ND ND ND 0.7 J - - - - - - - ND ug/L 07/12/07 -- - 1 NO ND ND ND ND ND NO ND 0.3 J 0.5 J 0.3 J NO NO Dry - - - - - - ND ND ug/L 01/17/08 -- - 1 NO ND ND ND ND ND ND ND ND ND ND ND NO Dry - - - - - - ND ND ug/L 07/30/08 -- - 1 NO ND 0.1 J ND 0.3 J ND 0.1 J ND 0.1 J 0.4 J 0.1 J ND NO Dry - - - - - - NO ND ug/L 01/21/09 -- - 1 NO ND ND ND ND ND ND ND 0.1 J ND 0.2 J 0.1 J NO Dry - - - - - - ND ND ug/L 07/14/09 -- - 1 NO ND 0.0858 J ND 0.247 J ND 0.17 J ND 0.298 J ND 0.232 J 0.106 J NO Dry -- -- -- -- - - ND ND ug/L 01/07/10 -- - 1 NO ND 0.124 J ND 0.269 J 0.21 J 0.239 J 0.105 J 0.293 J 0.101 J 0.648 J 0.268 J NO Dry -- -- -- -- - - ND ND ug/L 07/20/10 -- - 1 NO ND ND ND 0.575 J ND ND ND 0.289 J NO 0.123 J 0.129 J NO Dry -- -- -- -- - - NO ND ug/L 01/31/11 -- - 1 NO ND 0.207 J ND 0.185 J 0.107 J 0.239 J ND 0.305 J ND 0.23 J 0.123 J NO Dry -- -- -- -- - - NO ND ug/L 07/18/11 -- - 1 NO ND ND ND 0.227 J ND 0.167 J ND 0.347 J NO 0.244 J 0.149 J NO -- 0.409 J -- -- -- - - ND ND ug/L 01/24/12 -- - 1 NO ND ND ND 0.108 J 0.151 J 0.221 J NO 0.236 J NO 0.186 J ND NO -- 0.28 J -- -- -- - - ND ND ug/L 07/17/12 -- - 1 NO ND 0.131 J ND 0.288 J ND 0.301 J ND 0.42 J 0.19 J 0.459 J 0.211 J 0.104 J -- 0.631 J -- -- -- - -- ND ND ug/L 01/22/13 -- - 1 NO ND 0.103 J - 0.215 J ND 0.405 J ND Dry 0.114 J 0.45 J 0.288 J NO - 0.418 J ND 0.344 J 0.353 J 1.62 -- ND ND ug/L 07/15/13 -- - 1 NO ND ND - 0.258 J ND 0.257 J ND 0.26 J - - 0.254 J NO - 0.329 J NO 0.317 J ND 1.84 -- ND ND ug/L 01/27/14 -- - 1 NO ND ND - 0.139 J ND 0.148 J ND Dry - - ND NO - 0.223 J ND 0.366 J ND 1.82 -- ND ND ug/L 07/15/14 -- - 1 NO ND ND - 0.284 J ND 0.416 J ND 0.401 J - - 0.18 J NO - 0.315 J ND 0.387 J ND 1.91 -- ND ND ug/L 01/20/15 0.1 - 1 NO ND ND - 0.256 J ND 0.246 J NO 0.283 J - - 0.185 J NO - 0.281 J - - - - - - ND ug/L 07/23/15 0.1 - 1 NO ND ND - 0.215 J ND ND ND Dry - - 0.183 J NO - 0.253 J ND 0.319 J ND 1.84 -- ND ND ug/L 01/12/16 0.1 - 1 NO ND ND - 0.201 J ND 0.207 J NO 0.261 J - - 0.11 J NO - 0.232 J ND 0.214 J ND 1.81 -- ND ND ug/L 08/01/16 0.1 - 1 ND ND 0.13 J ND 0.234 J ND 0.282 J 0.111 J 0.364 J - - 0.187 J NO - 0.284 J ND 0.241 J 0.124 J 1.91 -- ND ND ug/L 01/18/17 0.1 - 1 ND ND ND - ND ND 0.191 J ND 0.108 J - - 0.104 J NO - ND ND 0.133 J 0.151 J 2.07 -- ND ND ug/L 07/24/17 0.1 - 1 ND ND ND - 0.154 J ND 0.133 J ND ND - - 0.180 J ND - ND ND ND ND - ND Dry ND ug/L 11/01/17 0.1 - 1 - -- - - - - - -- - - - - - - - - - - - 0.238 J Dry ND ug/L 02/20/18 0.1 - 1 ND ND 0.181 J - 0.207 J ND 0.266 J ND 0.191 J - - 0.222 J ND - 0.274 J ND 0.227 J 0.176 J -- 0.444 J Dry ND ug/L 08/08/18 0.16 1.00 -- ND ND 0.175 J - ND ND 0.253 J ND 0.186 J - - ND ND - 0.165 J ND 0.193 J 0.553 J -- 0.369 J Dry ND ug/L 01/15/19 0.16 1.00 -- ND ND ND - 0.198 J ND 0.282 J ND 0.375 J - - 0.232 J ND - 0.299 J ND 0.236 J 0.344 J -- 0.559 J Dry ND ug/L 08/14/19 0.16 1.00 -- ND ND ND - 0.235 J ND 0.311 J ND 0.280 J - - 0.238 J ND - 0.174 J ND 0.275 J 0.247 J -- 0.630 J ND ND ug/L 01/13/20 0.16 1.00 -- ND ND ND - 0.189 J ND 0.198 J NO 0.230 J - - 0.195 J NO - 0.198 J ND 0.196 J 0.482 J -- 0.511 J Dry ND u /L 08/11/20 0.160 1.00 ND NO ND 0.191 J ND 0.172 J ND ND 0.172 J NO 0.225 J ND 0.294 J 0.315 J 0.681 J I ND ND k> GOLDER Pepe 4 W 2p November 2020 Project No. 20140083 Table 4 Summary of Detected Constituents in Groundwater for the Municipal Solid Waste Landfill Rowan County Landfill (Active MSW and Closed C&D Facilities) Permit 80-03 Detected Monitoring Constituents/Analytes Units Sample Date MDL MRL SWS Reporting Limit Upgradient MSW Wells Sidegradient and Downgradient MSW Wells French Drain Blanks MW41 ND MW-16 -- MW-1 ND MWfi ND MW-7 ND MW-11 -- MW-12 - MW-13 - MW-20 - MW-21 - MW-22 - MW-23 - MW-23A - MW-24 - MW-24R - MW-25 - MW-26 - MW-27 - MW-28 - MW-28R - Cadmium ug/L 10/01/93 -- - -- - - NC2L=2 ug/L ug/L 07/01/94 -- - -- ND -- ND ND ND -- - -- - - - - - - - - - - - - - - EPA MCL = 5 ug/L ug/L 10/01/94 -- - -- NO -- ND ND ND -- - -- - - - - - - - - - - - - - - ug/L 01/01/95 -- - -- NO -- ND ND ND — — -- — — — — — — — — — — — — — — ug/L 05/01/95 -- - -- NO -- ND 4 ND — — -- — — — — — — — — — — — — — — ug/L 10/01/95 -- - -- NO -- ND ND ND — — -- — — — — — — — — — — — — — — ug/L 04/01/96 -- - -- NO -- ND ND 1 — — -- — — — — — — — — — — — — — — ug/L 10/01/96 -- - -- NO -- ND ND ND — — -- — — — — — — — — — — — — — — ug/L 04/01/97 -- - -- NO -- ND 1 ND — — -- — — — — — — — — — — — — — — ug/L 10/01/97 -- - -- NO ND ND ND ND ND ND NO — — — — — — — — — — — — — — ug/L 04/01/98 -- - -- NO ND ND ND ND ND ND NO — — — — — — — — — — — — — — ug/L 10/01/98 -- - -- 2 NO 2 ND ND 2 3 3 — — — — — — — — — — — — — — ug/L 04/01/99 -- - -- 4 NO NO ND NO ND ND NO — — — — — — — — — — — — — — ug/L 09/01/99 -- - -- NO NO ND ND ND 2 1 2 — — — — — — — — — — — — — — ug/L 05/01/00 -- - -- 4 3 5 1 6 15 6 17 — — — — — — — — — — — — — — ug/L 09/01/00 -- - -- 2 1 6 NO 3 4 3 8 — — — — — — — — — — — — — — ug/L 04/01/01 -- - -- NO NO ND ND ND 1 ND 1 — — — — — — — — — — — — — — ug/L 10/01/01 -- - -- NO NO 2 ND ND ND ND 2 — — — — — — — — — — — — — — ug/L 04/01/02 -- - -- ND NO ND ND ND ND ND NO — — — — — — — — — — — — — — ug/L 11/01/02 -- - -- NO ND ND ND ND ND ND NO — — — — — — — — — — — — — — ug/L 05/01/03 -- - -- 1 ND ND 1 ND ND ND ND — — — — — — — — — — — — — — ug/L 10/01/03 -- - -- NO ND ND ND ND ND ND NO — — — — — — — — — — — — — — ug/L 05/01/04 -- - -- ND ND ND ND ND ND ND NO — — — — — — — — — — — — — — ug/L 11/01/04 -- - -- 1 NO ND ND ND ND ND NO — — — — — — — — — — — — — — ug/L 05/01/05 -- - -- ND NO ND ND ND ND ND NO — — — — — — — — — — — — — — ug/L 11/04/O5 -- - -- - -- - - - - - -- NO ND ND ND ND ND — — — — — — — — ug/L 12/12/O5 -- - -- - -- - - - - - -- NO ND ND ND ND ND — — — — — — — — ug/L 12/13/05 -- - -- - -- - - - - - -- ND ND ND ND ND ND — — — — — — — — ug/L 12/22/05 -- - -- - -- - - - - - -- NO ND NO ND ND ND — — — — — — — — ug/L 12/30/05 -- — 1 NO ND 18 NO 3.9 ND NO ND NO ND NO ND ND ND — — — — — — — ND ug/L 09/26/06 -- — 1 NO ND ND ND ND ND ND NO ND ND NO ND ND ND -- -- -- - - - -- ND ug/L 01/31/07 -- — 1 NO ND ND ND ND ND ND NO ND NO NO ND ND ND -- -- -- - - - -- ND ug/L 07/12/07 -- — 1 NO NO ND ND ND ND ND NO NO NO NO ND NO Dry — — — — — — ND ND ug/L 01/17/08 -- — 1 NO ND ND ND ND ND ND NO NO NO NO ND ND Dry — — — — — — ND ND ug/L 07/30/08 -- — 1 ND 0.4 B ND ND ND ND ND NO ND NO NO NO ND Dry — — — — — — ND 0.7 J ug/L 01/21/09 -- — 1 ND ND ND ND ND ND ND NO 1 NO NO NO ND Dry — — — — — — ND ND ug/L 07/14/09 -- — 1 0.189 J 0.189 J ND ND 0.175 J 0.146 J 0.0925 J 0.087 J 0.398 J ND NO 0.0927 J ND Dry -- -- -- -- — — 0.141 J ND ug/L 01/07/10 -- — 1 0.333 J 0.209 J 0.18 J 0.225 J 0.237 J 0.208 J 0.308 J 0.14 J 0.361 J 0.196 J 0.419 J 0.277 J 0.142 J Dry -- -- -- -- -- — 0.236 J ND ug/L 07/20/10 -- — 1 ND ND ND ND 0.391 J ND ND NO NO NO NO NO ND Dry -- -- -- -- -- — ND ND ug/L 01/31/11 -- — 1 ND ND ND ND ND ND ND NO ND NO 0.621 J NO ND Dry -- -- -- -- -- — NO ND ug/L 07/18/11 -- — 1 NO ND ND ND ND ND ND NO NO NO NO ND ND -- ND -- -- -- -- — NO ND ug/L 01/24/12 -- — 1 NO ND ND ND ND ND NO NO NO NO NO ND NO -- ND -- -- -- -- — NO ND ug/L 07/17/12 -- — 1 NO ND ND ND ND ND ND NO ND NO NO ND NO -- ND -- -- -- -- — NO ND ug/L 01/22/13 -- — 1 NO ND ND — ND ND ND NO Dry NO NO NO NO -- ND ND ND ND ND — ND ND ug/L 07/15/13 -- — 1 NO ND ND — ND ND ND NO ND — — ND NO -- ND ND ND ND ND -- ND ND ug/L 01/27/14 -- — 1 NO NO ND — ND ND 3.11 ND Dry — — NO NO — ND ND NO ND ND — ND ND ug/L 07/15/14 -- — 1 NO NO ND — ND ND ND NO ND — — ND NO — ND ND ND ND ND -- ND ND ug/L 01/20/15 0.36 — 1 NO NO ND — ND ND ND NO ND — — NO NO — ND — — — — — — ND ug/L 07/23/15 0.36 — 1 NO NO ND — ND ND ND NO Dry — — NO NO -- NO ND ND ND ND -- ND ND ug/L 01/12/16 0.36 — 1 NO NO ND — ND ND NO NO ND — — NO NO -- NO ND ND ND ND -- ND ND ug/L 08/01/16 0.36 — 1 ND NO ND ND ND ND NO NO 0.363 J — — ND ND — ND ND ND ND ND -- ND ND ug/L 01/18/17 0.36 — 1 ND ND ND — ND ND ND NO ND — — NO NO — ND ND ND ND ND -- ND ND ug/L 07/24/17 0.36 — 1 ND ND ND — NO NO NO ND NO — — NO NO — NO NO NO NO — NO Dry NO ug/L 11/01/17 0.36 — 1 — -- — — — — — -- — — — — — — — — — — — NO Dry NO ug/L 02/20/18 0.36 — 1 ND NO NO — ND NO NO ND 0.374 B — — NO NO — NO NO NO NO — NO Dry 0.383 J ug/L 08/08/18 0.36 1.00 -- NO NO NO — NO NO NO ND NO — — NO NO — NO NO NO NO -- NO Dry NO ug/L 01/15/19 0.36 1.00 -- NO NO NO — NO NO NO ND NO — — NO NO — NO NO NO NO -- NO Dry NO ug/L O8114/19 0.36 1.00 -- NO NO NO — NO NO NO ND NO — — NO NO — NO NO NO NO -- NO NO NO ug/L 01/13/20 0.36 1.00 -- ND ND NO — NO NO NO ND NO — — NO NO — NO NO NO NO -- NO Dry NO ug/L 08/11/20 0.360 1.00 NO ND NO NO NO NO ND NO NO NO NO NO NO NO NO NO I NO k> GOLDER Peee s m 20 November 2020 Project No. 20140083 Table 4 Summary of Detected Constituents in Groundwater for the Municipal Solid Waste Landfill Rowan County Landfill (Active MSW and Closed C&D Facilities) Permit 80-03 Detected Monitoring Constituents/Analytes Units Sample Date MDL MRL SWS Reporting Limit Upgradient MSW Wells Sidegradient and Downgradient MSW Wells French Drain Blanks MW41 ND MW-16 -- MW-1 ND MWfi ND MW-7 ND MW-11 -- MW-12 - MW-13 - MW-20 - MW-21 - MW-22 - MW-23 - MW-23A - MW-24 - MW-24R - MW-25 - MW-26 - MW-27 - MW-28 - MW-28R - Chromium ug/L 10/01/93 -- - -- - - NC 21 = 10 ug/L ug/L 07/01/94 -- - -- ND -- ND ND ND -- - - - - - - - - - - - - - - - - EPA MCL = 100 ug/L ug/L 10/01/94 -- - -- ND -- ND ND ND -- - -- - - - - - - - - - - - - - - ug/L 01/01/95 -- - -- NO -- ND ND ND -- - -- - - - - - - - - - - - - - - ug/L 05/01/95 -- - -- NO -- ND ND ND -- - -- - - - - - - - - - - - - - - ug/L 10/01/95 -- - -- NO -- ND ND 51 -- - -- - - - - - - - - - - - - - - ug/L 04/01/96 -- - -- NO -- ND ND 10 -- - -- - - - - - - - - - - - - - - ug/L 10/01/96 -- - -- 20.4 -- ND NO ND -- - -- - - - - - - - - - - - - - - ug/L 04/01/97 -- - -- 9 -- 2 45 34 - - -- - - - - - - - - - - - - - - ug/L 10/01/97 -- - -- 15 2 10 NO 9 210 22 800 -- - - - - - - - - - - - - - ug/L 04/01/98 -- - -- 14 17 3 NO 9 140 54 750 -- - - - - - - - - - - - - - ug/L 10/01/98 -- - -- NO ND ND ND ND 11 19 16 -- - - - - - - - - - - - - - ug/L 04/01/99 -- - -- NO ND ND ND ND NO NO ND -- - - - - - - - - - - - - - ug/L 09/01/99 -- - -- 15 ND NO NO NO 23 13 32 - - - - - - - - - - - - - - ug/L 05/01/00 -- - -- 18 ND 17 NO 19 86 23 120 - - - - - - - - - - - - - - ug/L 09/01/00 -- - -- 14 ND 47 NO 20 130 19 250 - - - - - - - - - - - - - - ug/L 04/01/01 -- - -- ND ND 13 ND 14 60 13 110 - - - - - - - - - - - - - - ug/L 10/01/01 -- - -- 43 ND 220 ND 31 96 13 390 - - - - - - - - - - - - - - ug/L 04/01/02 -- - -- NO ND ND ND ND NO NO 11 - - - - - - - - - - - - - - ug/L 11/01/02 -- - -- NO ND ND ND ND NO NO ND - - - - - - - - - - - - - - ug/L 05/01/03 -- - -- ND ND ND ND ND NO NO ND - - - - - - - - - - - - - - ug/L 10/01/03 -- - -- ND ND ND ND ND NO NO ND - - - - - - - - - - - - - - ug/L 05/01/04 -- - -- ND ND ND ND ND ND NO ND - - - - - - - - - - - - - - ug/L 11/01/04 -- - -- 10 ND ND ND ND 12 NO 14 - - - - - - - - - - - - - - ug/L 05/01/05 -- - -- ND ND ND ND ND ND ND NO - - - - - - - - - - - - - - ug/L 11/04/O5 -- - -- - -- - - - - - -- ND ND ND ND ND 58 - - - - - - - - ug/L 12/12/O5 -- - -- - -- - - - - - -- ND ND 13 NO 10 55 - - - - - - - - ug/L 12/13/O5 -- - -- - -- - - - - - -- ND 15 NO NO NO 63 - - - - - - - - ug/L 12/22/05 -- - -- - -- - - - - - -- ND ND ND ND ND ND - - - - - - - - ug/L 12/30/05 -- - 10 ND ND 11 ND 16 ND ND ND ND ND ND ND ND ND - - - - - - - ND ug/L 09/26/06 -- - 10 ND ND ND ND ND ND ND NO ND ND ND ND ND 18.9 - - - - - - - NO ug/L 01/31/07 -- - 10 6.4 J 2 J ND ND 2.8 J ND ND ND ND 4.1 J ND ND ND 15.8 - - - - - - - NO ug/L 07/12/07 -- - 10 7.3 J ND ND ND 3.2 J ND ND NO ND 5.4 J ND 2.8 J ND Dry - - - - - - 8.3 J ND ug/L 01/17/08 -- - 10 3.8 J ND ND ND 3.4 J 2.3 J ND 11.8 3.2 J ND NO ND NO Dry - - - - - - 2.5 J ND ug/L 07/30/08 -- - 10 ND ND ND ND ND ND ND NO ND ND ND ND ND Dry -- -- -- -- - - ND 14.5 ug/L 01/21/09 -- - 10 3.4 J ND ND ND 2.6 J ND 1.1 J ND ND ND ND 3.1 J ND Dry - - - - - - 1.2 J ND ug/L 07/14/09 -- - 10 6.23 J ND 0.932 J 1.28 J 5.09 J 1.4 J 1.39 J 2.49 J 1.04 J 1.52 J 1.21 J 2.62 J ND Dry -- -- -- -- - - 2.45 J ND ug/L 01/07/10 -- - 10 4.16 J ND ND 3.69 J 2.8 J NO ND NO ND ND ND 1.77 J ND Dry -- -- -- -- - - ND ND ug/L 07/20/10 -- - 10 9.54 J ND ND ND 6.85 J NO 1.82 J 7.77 J ND 1.85 J ND 2.73 J NO Dry -- -- -- -- - - 2.01 J ND ug/L 01/31/11 -- - 10 9.06 J ND ND ND 3.36 J 2.8 J 3.73 J 2.23 J ND ND 1.46 J 2.51 J 4.06 J Dry -- -- -- -- -- - 1.93 J ND ug/L 07/18/11 -- - 10 9.36 J ND ND ND 3.03 J ND 1.63 J 1.95 J ND ND ND 2.85 J 3.91 J -- 4.79 J -- -- -- -- - 1.93 J ND ug/L 01/24/12 -- - 10 9.46 J ND ND 1.16 J 4.98 J 2.39 J 3.05 J 2.11 J 4.98 J 2.34 J 1.53 J 2.94 J 6.93 J -- 2.94 J -- -- -- -- - 2.31 J ND ug/L 07/17/12 -- - 10 9.42 J ND ND ND 3.29 J ND 1.92 J 1.46 J 2.58 J ND ND 2.4 J 7.94 J -- 3.38 J -- -- -- -- - 2.81 J ND ug/L 01/22/13 -- - 10 14.1 ND ND - 4.3 B 1.02 J 3.45 J 2.18 J Dry ND 1.85 B 4.36 J 14.1 -- 2.05 B 7.61 J 1.89 J 2.82 J ND - 2.02 J 1.5 J ug/L 07/15/13 -- - 10 12.2 ND ND - 3.88 J ND ND 1.42 J ND - - 5.53 J 6.82 J - NO 3.56 J ND NO ND - 1.56 J ND ug/L 01/27/14 -- - 10 7.1 J ND ND - 4.09 J ND ND NO Dry - - 2.1 J 5.46 J - NO 3.8 J 1.62 J ND ND - 1.93 J ND ug/L 07/15/14 -- - 10 11.2 ND ND - 2.69 J ND 4.25 J 1.79 J ND - - 1.98 J 2.86 J - NO 3.04 J ND NO ND - 1.79 J ND ug/L 01/20/15 1.4 - 10 8.19 J ND ND - 3.37 J ND ND 2.03 J 3.8 J - - 3.55 J 4.88 J - ND - - - - - - ND ug/L 07/23/15 1.4 - 10 10.6 ND NO - 3.62 J 1.9 J 2.38 J 2.51 J Dry - - 2.56 J 8.21 J - NO 3.57 J ND 1.48 J NO - 2.18 J ND ug/L 01/12/16 1.4 - 10 6.65 J ND ND - 2.99 J ND ND NO ND - - 2.25 J ND - ND 3.41 J ND ND ND -- ND ND ug/L 08/01/16 1.4 - 10 10.6 ND ND ND 2.68 J 1.48 J ND 3.32 J ND - - 1.81 J 4.27 J - ND 2.99 J ND ND ND - ND ND ug/L 01/18/17 1.4 - 10 9.25 J ND ND - 3.37 J ND 1.47 J 2.36 J ND - - 2.42 J 2.33 J - ND 4.45 J ND ND ND -- ND ND ug/L 07/24/17 1.4 - 10 9.67 J ND ND - 3.93 J ND 1.92 J 2.58 J 3.38 J - - ND 2.77 J - ND 4.35 J ND ND - ND Dry ND ug/L 11/01/17 1.4 - 10 - -- - - - - - -- - - - - - - - - - - - ND Dry ND ug/L 02/20/18 1.4 - 10 7.57 J ND ND - 3.46 J ND ND 2.88 J ND - - 2.91 J 2.19 J - ND 4.05 J ND ND - ND Dry ND ug/L 08/08/18 1.4 10.0 -- 8.10 B ND NO - 3.86 B ND ND 1.78 B ND - - 2.00 B ND - 1.87 B 3.34 B 1.89 B 5.67 B - ND Dry 1.66 J ug/L 01/15/19 1.4 10.0 -- 13.6 ND ND - 4.53 J ND ND 1.65 J ND - - 3.21 J ND - ND 4.81 J NO 4.24 J - NO Dry ND ug/L 08/14/19 1.4 10.0 -- 3.02 J ND ND - 3.20 J ND ND 1.74 J ND - - 3.41 J ND - ND 3.79 J ND ND -- ND ND ND ug/L 01/13/20 1.4 10.0 -- 5.75 J ND ND - 3.67 J ND ND ND ND - - 2.91 J ND - ND 4.01 J ND ND -- ND Dry ND u /L 08/11,20 1.40 10.0 3.98 J 1.48 J 1.59 J 5.75 J 3.00 J 1.72 J 4.42 J 1.83 J 4.54 J 1.94 J ND 5.65 J ND 1.88 J 1.41 J ND ND k> GOLDER Peee e m 20 November 2020 Project No. 20140083 Table 4 Summary of Detected Constituents in Groundwater for the Municipal Solid Waste Landfill Rowan County Landfill (Active MSW and Closed C&D Facilities) Permit 80-03 Detected Monitoring Constituents/Analytes Units Sample Date MDL MRL SWS Reporting Limit Upgradient MSW Wells Sidegradient and Downgradient MSW Wells French Drain Blanks MW49 ND MW-16 -- MW-1 ND MWfi ND MW-7 ND MW-11 -- MW-12 - MW-13 - MW-20 - MW-21 - MW-22 - MW-23 - MW-23A - MW-24 - MW-24R - MW-25 - MW-26 - MW-27 - MW-28 - MW-28R - Cobalt ug/L 10/01/93 -- - -- - - IMAC = 1 ug/L ug/L 07/01/94 -- - -- ND -- ND ND ND -- - -- - - - - - - - - - - - - - No EPA MCL ug/L 10/01/94 -- - -- ND -- ND ND ND -- - -- - - - - - - - - - - - - - - ug/L 01/01/95 -- - -- NO -- ND ND ND - - -- - - - - - - - - - - - - - - ug/L 05/01/95 -- - -- NO -- ND ND ND - - -- - - - - - - - - - - - - - - ug/L 10/01/95 -- - -- NO -- 16.5 NO 18.5 - - -- - - - - - - - - - - - - - - ug/L 04/01/96 -- - -- NO -- ND NO ND - - -- - - - - - - - - - - - - - - ug/L 10/01/96 -- - -- NO -- ND NO ND - - -- - - - - - - - - - - - - - - ug/L 04/01/97 -- - -- NO -- 15 NO 9 - - -- - - - - - - - - - - - - - - ug/L 10/01/97 -- - -- NO 8 5 NO 5 73 10 200 - - - - - - - - - - - - - - ug/L 04/01/98 -- - -- NO 2 4 NO 2 34 22 100 - - - - - - - - - - - - - - ug/L 10/01/98 -- - -- NO ND ND ND ND ND ND ND - - - - - - - - - - - - - - ug/L 04/01/99 -- - -- NO ND ND ND ND ND ND ND - - - - - - - - - - - - - - ug/L 09/01/99 -- - -- NO ND ND ND ND 14 ND 16 - - - - - - - - - - - - - - ug/L 05/01/00 -- - -- NO ND ND ND 10 45 12 50 - - - - - - - - - - - - - - ug/L 09/01/00 -- - -- NO ND 26 NO 12 69 11 100 - - - - - - - - - - - - - - ug/L 04/01/01 -- - -- NO ND ND ND ND 31 NO 45 - - - - - - - - - - - - - - ug/L 10/01/01 -- - -- NO ND 110 NO 16 39 ND 110 - - - - - - - - - - - - - - ug/L 04/01/02 -- - -- NO ND ND ND ND ND ND ND - - - - - - - - - - - - - - ug/L 11/01/02 -- - -- NO ND ND ND ND ND ND ND - - - - - - - - - - - - - - ug/L 05/01/03 -- - -- NO ND ND ND ND ND ND ND - - - - - - - - - - - - - - ug/L 10/01/03 -- - -- NO ND ND ND ND ND ND ND - - - - - - - - - - - - - - ug/L 05/01/04 -- - -- NO ND ND ND ND ND ND ND - - - - - - - - - - - - - - ug/L 11/01/04 -- - -- ND ND ND ND ND ND ND ND - - - - - - - - - - - - - - ug/L 05/01/05 -- - -- ND ND ND ND ND ND ND ND - - - - - - - - - - - - - - ug/L 11104/O5 -- - -- - -- - - - - - -- 15 NO NO NO NO- ug/L 12/12/O5 -- - -- - -- - - - - - -- 15 NO 18 NO NO- ug/L 12/13/05 -- - -- - -- - - - - - -- 19 ND NO ND NO- ug/L 12122/05 -- - -- - -- - - - - - -- 15 NO 16 NO NO NO - - - - - - - - ug/L 12130/05 -- - 10 NO NO ND ND ND ND ND ND 18 NO ND NO NO NO - - - - - - - ND ug/L 09/26/06 -- - 10 NO NO ND ND ND ND ND ND NO ND NO ND ND ND - - - - - - - ND ug/L 01/31/07 -- - 10 NO NO 3.2 J NO NO ND ND ND 10.7 3.7 J ND NO NO 6.5 J - - -- - - - - NO ug/L 07/12/07 -- - 10 NO NO 5.9 J NO NO ND NO ND 9.1 J 3.6 J ND NO NO Dry - - -- - - - NO NO ug/L 01/17/08 -- - 10 NO NO 9.6 J NO ND ND NO 2.9 J 10.1 NO ND NO NO Dry - - -- - - - NO ND ug/L 07/30/08 -- - 10 NO NO 3 J ND ND ND 1.5 J ND 5.7 J 1.6 J ND NO NO Dry - - - - - - ND ND ug/L 01/21/09 -- - 10 NO ND ND ND ND ND ND ND 5.4 J NO ND NO NO Dry - -- -- - - - ND ND ug/L 07/14/09 -- - 10 NO ND ND ND ND ND ND ND 9.56 J ND ND NO ND Dry - -- -- - - - ND ND ug/L 01/07/10 -- - 10 ND 0.536 J 0.494 J 0.561 J ND 0.686 J ND 0.57 J 8.23 J 0.83 J 1.96 J 0.782 J 0.499 J Dry - -- -- - - - 0.657 J ND ug/L 07/20/10 -- - 10 ND ND ND ND 1.44 J NO ND 2.69 J 8.05 J 1.68 J ND NO ND Dry - -- -- - - - ND ND ug/L 01/31/11 -- - 10 ND ND 1.8 J NO NO 1.12 J NO ND 8.5 J NO ND NO 1.98 J Dry - -- -- - - - NO NO ug/L 07/18/11 -- - 10 ND ND ND ND ND ND ND ND 9.85 J NO ND NO ND - ND -- -- - - - ND ND ug/L 01/24/12 -- - 10 ND ND ND ND ND ND ND ND 9.08 J ND ND NO 2.32 J - NO -- -- - - - NO NO ug/L 07/17/12 -- - 10 ND ND ND ND ND ND ND ND 10.1 ND ND NO 3.05 J - NO -- -- - - - NO NO ug/L 01/22/13 -- - 10 1.65 J ND 2.51 J - ND NO ND ND Dry NO ND 1.15 J 6.74 J - NO 3.17 J ND NO 24.1 - NO NO ug/L 07/15/13 -- - 10 ND ND ND - ND ND ND ND 6.46 J - - 1.57 J 2.58 J - NO NO ND NO 27.6 - NO NO ug/L 01/27/14 -- - 10 ND ND ND - ND ND ND ND Dry - - ND 2.54 J - NO NO ND NO 27.8 - 1.1 J NO ug/L 07/15/14 -- - 10 ND ND 5.52 J - ND ND ND ND 8.83 J - - ND NO - NO NO ND ND 28.3 - NO NO ug/L 01/20/15 1.1 - 10 ND ND 3.52 J - ND ND ND ND 7.94 J - - ND 2.62 J - NO - -- - - - - NO ug/L 07/23/15 1.1 - 10 ND ND 8.57 J - ND ND ND ND Dry - - 1.32 J 4.14 J - NO NO ND NO 31 - NO NO ug/L 01/12/16 1.1 - 10 ND ND 1.81 J - ND NO ND ND 6.01 J - - NO NO - NO NO ND NO 27.5 - ND NO ug/L 08/01/16 1.1 - 10 ND ND 3.37 J NO ND NO NO ND 7.98 J - - NO 1.26 J - NO NO ND NO 29.2 - ND NO ug/L 01/18/17 1.1 - 10 ND ND 8.32 J - ND NO NO ND 6.02 J - - NO NO - NO NO NO NO 29.9 - ND NO ug/L 07/24/17 1.1 - 10 ND ND 2.47 J - ND ND ND ND ND - - 7.67 J NO - ND ND ND ND - 1.57 J Dry NO ug/L 11/01/17 1.1 - 10 - -- - - - - - -- - - - - - - - - - - - 2.83 J Dry NO ug/L 02/20/18 1.1 - 10 1.58 B ND 2.01 B - 1.13 B 1.23 B ND ND 7.35 J - - ND 1.61 B - ND ND ND ND - 2.69 B Dry 1.22 J ug/L 08/08/18 1.4 10.0 -- 1.73 J ND 2.29 J - ND 1.58 J 1.60 J ND 8.97 J - - 1.81 J ND - ND 1.62 J 1.48 J 2.06 J - 4.09 J Dry ND ug/L 01/15/19 1.4 10.0 -- ND ND ND - ND ND ND ND 7.91 J - - ND NO - NO NO NO ND - 1.83 J Dry ND ug/L 08/14/19 1.4 10.0 -- ND ND 2.18 J - ND NO ND ND 6.41 J - - ND ND - NO NO NO NO - 3.54 J ND NO ug/L 01/13/20 1.4 10.0 -- ND ND 1.43 J - ND ND NO ND 5.71 J - - ND ND - ND NO NO NO - 1.85 J Dry NO u /L 08/11/20 1.40 10.0 ND ND 2.01 J NO ND NO NO 4.50 J ND ND ND ND ND ND 2.97 J ND I ND k> GOLDER Peee 7 m 20 November 2020 Project No. 20140083 Table 4 Summary of Detected Constituents in Groundwater for the Municipal Solid Waste Landfill Rowan County Landfill (Active MSW and Closed C&D Facilities) Permit 80-03 Detected Monitoring Constituents/Analytes Units Sample Date MDL MRL SWS Reporting Limit Upgradient MSW Wells Sidegradient and Downgradient MSW Wells French Drain Blanks MW41 ND MW-16 -- MW-1 ND MWfi ND MW-7 ND MW-11 -- MW-12 - MW-13 - MW-20 - MW-21 - MW-22 - MW-23 - MW-23A - MW-24 - MW-24R - MW-25 - MW-26 - MW-27 - MW-28 - MW-28R - Copper ug/L 10/01/93 -- - -- - - NC 21 = 1000 ug/L ug/L 07/01/94 -- - -- ND -- ND ND ND - - - - - - - - - - - - - - - - - EPA MCL = 1300 ug/L" ug/L 10/01/94 -- - -- NO -- ND ND ND - - -- - - - - - - - - - - - - - - ug/L 01/01/95 -- - -- NO -- ND ND ND - - -- - - - - - - - - - - - - - - ug/L 05/01/95 -- - -- 20 -- NO 30 30 - - -- - - - - - - - - - - - - - - ug/L 10/01/95 -- - -- NO -- ND ND ND - - -- - - - - - - - - - - - - - - ug/L 04/01/96 -- - -- NO -- ND ND ND - - -- - - - - - - - - - - - - - - ug/L 10/01/96 -- - -- NO -- ND ND ND - - -- - - - - - - - - - - - - - - ug/L 04/01/97 -- - -- NO -- ND ND ND - - -- - - - - - - - - - - - - - - ug/L 10/01/97 -- - -- NO ND 33 ND ND 39 15 140 - - - - - - - - - - - - - - ug/L 04/01/98 -- - -- 15 13 11 ND ND 26 31 61 - - - - - - - - - - - - - - ug/L 10/01/98 -- - -- NO ND ND ND ND ND ND ND - - - - - - - - - - - - - - ug/L 04/01/99 -- - -- NO ND ND ND ND ND ND ND - - - - - - - - - - - - - - ug/L 09/01/99 -- - -- NO ND ND ND ND ND ND ND - - - - - - - - - - - - - - ug/L 05/01/00 -- - -- NO ND ND ND ND ND ND ND - - - - - - - - - - - - - - ug/L 09/01/00 -- - -- NO ND 210 ND ND ND ND ND - - - - - - - - - - - - - - ug/L 04/01/01 -- - -- NO ND ND ND ND ND ND ND - - - - - - - - - - - - - - ug/L 10/01/01 -- - -- NO ND 3100 NO NO ND NO 120 - - - - - - - - - - - - - - ug/L 04/01/02 -- - -- NO ND ND ND ND ND ND ND - - - - - - - - - - - - - - ug/L 11/01/02 -- - -- NO ND ND ND ND ND ND ND - - - - - - - - - - - - - - ug/L 05/01/03 -- - -- NO ND ND ND ND ND ND ND - - - - - - - - - - - - - - ug/L 10/01/03 -- - -- NO ND ND ND ND ND ND ND - - - - - - - - - - - - - - ug/L 05/01/04 -- - -- ND ND ND ND ND ND ND ND - - - - - - - - - - - - - - ug/L 11/01/04 -- - -- ND ND ND ND ND ND ND ND - - - - - - - - - - - - - - ug/L 05/01/05 -- - -- ND ND ND ND ND ND ND ND - - - - - - - - - - - - - - ug/L 11/04/05 -- - -- - -- - - - - - -- NO ND ND ND ND ND - - - - - - - - ug/L 12/12/05 -- - -- - -- - - - - - -- NO ND ND ND ND ND - - - - - - - - ug/L 12/13/05 -- - -- - -- - - - - - -- NO ND ND ND ND ND - - - - - - - - ug/L 12/22/05 -- - -- - -- - - - - - -- NO NO ND ND ND ND - - - - - - - - ug/L 12/30/05 -- - 200 ND ND ND ND ND ND ND ND NO NO ND ND ND ND -- -- -- - - - - ND ug/L 09/26/06 -- - 200 ND ND ND ND ND ND ND ND ND ND ND ND NO ND -- -- -- - - - - ND ug/L 01/31/07 -- - 10 0.7 J 0.7 J 2.3 J ND 0.9 J 0.8 J ND ND 3.1 J 9.1 J NO 0.6 J NO 4.2 J - - - - - - - ND ug/L 07/12/07 -- - 10 NO ND 2.6 J ND ND ND ND ND 2.3 J 4.4 J NO NO NO Dry - - - - - - ND ND ug/L 01/17/08 -- - 10 ND 0.6 J 2.3 J ND ND ND ND ND 19.1 1 J NO NO NO Dry - - - - - - 2.1 J ND ug/L 07/30/08 -- - 10 ND ND ND ND ND ND ND ND ND 1.9 J ND ND ND Dry - - - - - - 5 J ND ug/L 01/21/09 -- - 10 ND ND ND ND ND ND NO ND ND ND ND ND ND Dry -- -- -- -- - - 3.1 J ND ug/L 07/14/09 -- - 10 1.21 B 3.47 B 6.47 J ND 1.75 B 3.78 B 3.99 B 5.23 J 10.6 7.37 J 3.67 B 2.67 B 0.859 B Dry - - - - - - 2.66 B 1.04 J ug/L 01/07/10 -- - 10 2.91 J ND ND ND ND ND NO ND 9.72 J 3.66 J ND ND ND Dry - - - -- - - 2.2 J ND ug/L 07/20/10 -- - 10 ND ND 2.1 J ND ND ND NO ND 2.69 J 2.58 J ND ND ND Dry - - - - - - 5.12 J ND ug/L 01/31/11 -- - 10 ND ND 1.97 J 5.02 J ND ND NO ND 4.62 J 2.34 J 2.28 J 1.9 J ND Dry - - - - - - ND ND ug/L 07/18/11 -- - 10 ND ND 1.64 J 3.63 J ND ND ND ND 4.03 J ND ND ND ND - 2.48 J -- -- -- - - 2.2 J ND ug/L 01/24/12 -- - 10 2.9 B 2.75 B 3.09 B 3.36 B 2.22 B 2.82 B 3.29 B 2.21 B 18.2 3.28 B 3.17 B 2.51 B 3.31 B - 3.22 B - - - - - 4.41 B 2.78 J ug/L 07/17/12 -- - 10 ND ND ND ND ND ND ND ND 16.7 ND ND ND ND - ND -- -- -- - - 1.69 J ND ug/L 01/22/13 -- - 10 8.62 J ND ND - ND ND 3.18 J ND Dry ND ND 10.9 8.97 J - ND 12.8 2.21 J 1.61 J 5.71 J - ND ND ug/L 07/15/13 -- - 10 ND ND ND - ND ND ND ND 3.6 J -- - ND NO - ND ND ND ND 5.63 J - NO ND ug/L 01/27/14 -- - 10 ND ND ND - ND ND ND ND Dry - - ND NO - ND ND ND ND 6.03 J - NO ND ug/L 07/15/14 -- - 10 ND ND ND - ND ND ND ND 2.75 J -- - NO NO - NO ND ND ND 6.13 J -- ND ND ug/L 01/20/15 1.6 - 10 ND ND ND - ND ND ND ND 5.92 J -- - NO NO - 2.98 J - - - - - - ND ug/L 07/23/15 1.6 - 10 ND ND ND - ND ND NO ND Dry -- - NO NO - NO ND ND ND 5.08 B -- ND 1.9 J ug/L 01/12/16 1.6 - 10 ND ND ND - ND ND ND ND ND -- - NO NO - ND ND ND ND 5.18 B -- ND 3.52 J ug/L 08/01/16 1.6 - 10 ND ND ND ND ND ND ND ND ND -- - NO ND - ND ND ND ND 6.69 J -- ND ND ug/L 01/18/17 1.6 - 10 ND ND 2.92 B - ND 2.07 B 1.73 B 1.95 B 2.4 B -- - NO 2.01 B - NO 3.47 B 1.78 B 1.92 B 8.84 B - 9.43 B 4.8 J ug/L 07/24/17 1.6 - 10 ND 1.90 B ND - ND ND 2.24 B ND ND - - 1.89 B 1.99 B - 2.04 B ND ND ND - 1.86 B Dry 4.18 J ug/L 11/01/17 1.6 - 10 - -- - - - - - -- - - - - - - - - - - - NO Dry ND ug/L 02/20/18 1.6 - 10 ND ND ND - ND ND ND ND ND - - ND ND - ND ND ND ND -- NO Dry ND ug/L 08/08/18 1.6 10.0 -- ND ND ND - ND ND ND ND ND - - ND ND - ND 5.91 J ND ND -- ND Dry ND ug/L 01/15/19 1.6 10.0 -- 1.66 J ND 4.14 J - ND ND ND ND 3.42 J - - ND ND - ND 8.78 J ND 2.66 J -- ND Dry ND ug/L O8114/19 1.6 10.0 -- ND ND ND - ND ND ND ND 2.11 B - - ND ND - ND ND ND ND -- ND ND 2.38 J ug/L 01/13/20 1.6 10.0 -- ND ND 2.39 J - ND ND ND ND 2.68 J - - ND ND - ND ND ND ND -- ND Dry ND u /L 08/11/20 1.60 10.0 2.12 B 2.34 B 2.81 B 2.06 B 2.25 B 1.93 B 2.30 B 6.60 B 2.04 B 3.68 B 2.61 B 2.49 B ND 1.64 B 1.72 B 3.49 B 1 1.95 J k> GOLDER Peee e m 20 November 2020 Project No. 20140083 Table 4 Summary of Detected Constituents in Groundwater for the Municipal Solid Waste Landfill Rowan County Landfill (Active MSW and Closed C&D Facilities) Permit 80-03 Detected Monitoring Constituents/Analytes Units Sample Date MDL MRL SWS Reporting Limit Upgradient MSW Wells Sidegradient and Downgradient MSW Wells French Drain Blanks MWA ND MW-16 -- MW-1 ND MWfi ND MW-7 ND MW-11 -- MW-12 - MW-13 -- MW-20 - MW-21 - MW-22 - MW-23 - MW-23A - MW-24 - MW-24R - MW-25 - MW-26 - MW-27 - MW-28 - MW-28R - Lead ug/L 10/01/93 -- - -- - - NC 21 = 15 ug/L ug/L 07/01/94 -- - -- ND -- ND ND ND - - - - - - - - - - - - - - - - - EPA MCL = 15 ug/O ug/L 10/01/94 -- - -- ND -- ND ND ND - - -- - - - - - - - - - - - - - - ug/L 01/01/95 -- - -- 49 -- 43 10 ND - - -- - - - - - - - - - - - - - - ug/L 05/01/95 -- - -- 10 -- ND 9 ND - - -- - - - - - - - - - - - - - - ug/L 10/01/95 -- - -- ND -- ND ND 134 - - -- - - - - - - - - - - - - - - ug/L 04/01/96 -- - -- ND -- ND ND 26 -- - -- - - - - - - - - - - - - - - ug/L 10/01/96 -- - -- 4.47 -- 3.8 ND 10 -- - -- - - - - - - - - - - - - - - ug/L 04/01/97 -- - -- 5 -- ND 5 65 - - -- - - - - - - - - - - - - - - ug/L 10/01/97 -- - -- ND ND ND ND 25 75 13 200 - - - - - - - - - - - - - - ug/L 04/01/98 -- - -- ND 17 ND ND 19 55 37 150 - - - - - - - - - - - - - - ug/L 10/01/98 -- - -- ND ND ND ND ND ND 10 ND - - - - - - - - - - - - - - ug/L 04/01/99 -- - -- ND ND ND ND ND 13 ND ND - - - - - - - - - - - - - - ug/L 09/01/99 -- - -- ND ND ND ND ND 16 ND 27 - - - - - - - - - - - - - - ug/L 05/01/00 -- - -- ND ND 12 ND 65 48 12 89 - - - - - - - - - - - - - - ug/L 09/01/00 -- - -- ND ND 38 ND 53 73 12 170 - - - - - - - - - - - - - - ug/L 04/01/01 -- - -- ND ND ND ND 16 20 ND 37 - - -- - - - - - - - - - - - ug/L 10/01/01 -- - -- ND ND ND ND 60 24 ND 110 - - -- - - - - - - - - - - - ug/L 04/01/02 -- - -- ND ND ND ND ND ND ND ND - - -- - - - - - - - - - - - ug/L 11/01/02 -- - -- ND ND ND ND ND ND ND ND - - -- - - - - - - - - - - - ug/L 05/01/03 -- - -- ND ND ND ND ND ND ND ND - - -- - - - - - - - - - - - ug/L 10/01/03 -- - -- ND ND ND ND ND ND ND ND - - -- - - - - - - - - - - - ug/L 05/01/04 -- - -- ND ND ND ND ND ND ND ND - - -- - - - - - - - - - - - ug/L 11/01/04 -- - -- ND ND ND ND ND ND ND ND - - -- - - - - - - - - - - - ug/L 05/01/05 -- - -- ND ND ND ND ND ND ND ND - - -- - - - - - - - - - - - ug/L 11/04/05 -- - -- - -- - - - - - -- ND ND ND ND ND 42 - - - - - - - - ug/L 12/12/05 -- - -- - -- - - - - - -- ND ND 67 22 ND 38 - - - - - - - - ug/L 12/13/05 -- - -- - -- - - - - - -- ND ND 13 11 ND 43 - - - - - - - - ug/L 12/22/05 -- - -- - -- - - - - - -- ND ND 33 ND ND 14 - - - - - - - - ug/L 12/30/05 -- - 10 ND ND ND ND ND ND ND ND ND ND ND 17 ND ND - - - - - - - ND ug/L 09/26/06 -- - 10 ND ND ND ND ND ND ND ND ND ND ND ND ND ND - - - - - - -- ND ug/L 01/31/07 -- - 10 ND ND ND ND ND ND ND ND ND ND ND ND ND 5.4 J - - - - - - - ND ug/L 07/12/07 -- - 10 ND ND ND ND ND ND ND ND ND ND ND ND ND Dry - - - - - - ND ND ug/L 01/17/08 -- - 10 ND ND ND ND ND ND ND 5.3 J ND ND ND 3.2 J ND Dry - - - - - - ND ND ug/L 07/30/08 -- - 10 3 J ND ND ND 3.3 J ND ND 4 J ND ND ND ND ND Dry - - - - - - ND ND ug/L 01/21/09 -- - 10 ND ND ND ND ND ND ND ND ND ND ND 2.5 J ND Dry - - - - - - 6.9 J ND ug/L 07/14/09 -- - 10 ND 1.64 B ND ND ND ND ND ND ND ND 1.95 B ND ND Dry - - - - -- -- ND 3.4 J ug/L 01/07/10 -- - 10 1.93 B ND ND 16 ND ND 2.68 B 1.61 B ND 1.55 B 5.21 B 2.68 B ND Dry - - - - -- - 1.4 B 1.47 J ug/L 07/20/10 -- - 10 ND ND ND ND 2.98 J ND ND 2.22 J ND ND ND ND ND Dry - - - - -- - 6.43 J ND ug/L 01/31/11 -- - 10 2.44 J 2.16 J ND ND ND ND ND ND ND ND 2.67 J ND 3.15 J Dry - - - - -- - ND ND ug/L 07/18/11 -- - 10 ND ND ND ND ND ND ND ND ND ND ND ND ND -- ND - -- -- -- -- 1.91 J ND ug/L 01/24/12 -- - 10 1.99 J 3.18 J 2.04 J ND 2.32 J ND 3.65 J ND 2.72 J ND ND 1.91 J 6.05 J -- ND - - - - - 2.04 J ND ug/L 07/17/12 -- - 10 ND ND ND ND ND ND ND ND ND ND 2.38 J ND 5.95 J -- 2.92 J -- -- -- -- -- ND ND ug/L 01/22/13 -- - 10 2.96 B ND ND - ND 2.1 B 3.59 B ND Dry 2.74 J ND 3.94 B 4.74 B - ND 3.22 B 2.49 B 2.49 B ND -- ND 1.97 J ug/L 07/15/13 -- - 10 ND ND ND - ND ND ND ND ND -- - ND ND - ND ND ND ND ND -- ND ND ug/L 01/27/14 -- - 10 ND ND ND - ND ND ND ND Dry -- - ND 3.29 J - ND ND ND 2.32 J ND -- ND ND ug/L 07/15/14 -- - 10 ND ND ND - ND ND ND ND ND - - ND ND - ND ND ND ND ND -- ND ND ug/L 01/20/15 2.1 - 10 ND ND ND - ND ND ND ND ND - - ND ND - ND - - - - - - ND ug/L 07/23/15 3.1 - 10 ND ND ND - ND ND ND ND Dry - - ND ND - ND ND ND ND ND -- ND ND ug/L 01/12/16 3.1 - 10 ND ND ND - ND ND ND 3.53 J ND - - ND ND - ND ND ND ND ND -- ND ND ug/L 08/01/16 3.1 - 10 ND ND ND ND ND ND ND ND ND - - ND ND - ND ND ND ND ND -- ND ND ug/L 01/18/17 3.1 - 10 ND ND ND - ND ND ND ND ND - - ND ND - ND ND ND ND ND -- ND ND ug/L 07/24/17 3.1 - 10 ND ND ND - ND ND ND ND ND - - ND ND - ND ND ND ND - ND Dry ND ug/L 11/01/17 3.1 - 10 - -- - - - - - -- - - - - - - - - - - - ND Dry ND ug/L 02/20/18 3.1 - 10 ND ND 3.57 J - ND ND ND ND ND - - ND ND - ND ND ND ND - ND Dry ND ug/L 08/08/18 3.1 10.0 -- ND ND ND - ND ND ND ND ND - - ND ND - ND ND ND 5.07 J - ND Dry ND ug/L 01/15/19 3.1 10.0 -- ND ND ND - ND ND ND ND ND - - ND ND - ND ND ND 3.86 J - ND Dry ND ug/L 08/14/19 3.1 10.0 -- ND ND ND - ND ND ND ND ND - - ND ND - ND ND ND ND -- ND ND ND ug/L 01/13/20 3.1 10.0 -- ND ND ND - ND ND ND ND ND - - ND ND - ND ND ND ND -- ND Dry ND u /L 08/11/20 3.10 10.0 ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND k> GOLDER Pepe 9 W 2p November 2020 Project No. 20140083 Table 4 Summary of Detected Constituents in Groundwater for the Municipal Solid Waste Landfill Rowan County Landfill (Active MSW and Closed C&D Facilities) Permit 80-03 Upgradient MSW Wells Sidegradient and Downgradient MSW Wells Detected Monitoring Constituents/Analytes Units Sample Date MDL MRL SWS Reporting French Drain Blanks MW41 ND MW-16 ND MW-1 ND MW46 -- MW-7 ND MW-11 ND MW-12 ND MW-13 ND MW-20 ND MW-21 - MW-22 - MW-23 0.352 MW-23A ND MW-24 - MW-24R ND MW-25 ND MW-26 ND MW-27 ND MW-28 ND MW-28R -- Limit Mercury, NC21- = 1 ug/L ug/L 01/18/17 0.17 - 0.2 ND ND EPA MCL = 2 ug/L ug/L 07/24/17 0.17 - 0.2 ND ND ND -- ND ND ND ND 0.706 - - 0.151 B ND - ND ND ND ND -- NO Dry 0.114 J (Verification) ug/L 08/24/17 0.17 - 0.2 - -- - -- -- - - -- 0,165 J - - - - - - - - - -- -- - ND (Dissolved) ug/L 08/24/17 0.17 - 0.2 - -- - -- -- - - -- ND - - - - - - - - -- -- - - ug/L 11/01/17 0.17 - 0.2 - -- - - - - - -- - - - - - - - - - - -- ND - ND u /L 08/08/18 0.15 0.200 Dry ND Nickel ug/L 10/01/93 -- - -- ND -- ND ND ND - - -- - - - - - - - - - - - - - - NC 21 = 100 ug/L ug/L 07/01/94 -- - -- ND -- ND ND ND - - -- - - - - - - - - - - - - - No EPA MCL ug/L 10/01/94 -- - -- ND -- ND ND ND - - -- - - - - - - - - - - - - - - ug/L 01/01/95 -- - -- NO -- ND 30 ND - - -- - - - - - - - - - - - - - - ug/L 05/01/95 -- - -- NO -- ND ND 40 - - -- - - - - - - - - - - - - - - ug/L 10/01/95 -- - -- NO -- ND ND ND - - -- - - - - - - - - - - - - - - ug/L 04/01/96 -- - -- NO -- ND ND ND - - -- - - - - - - - - - - - - - - ug/L 10/01/96 -- - -- NO -- ND ND ND - - -- - - - - - - - - - - - - - - ug/L 04/01/97 -- - -- NO -- ND ND ND - - -- - - - - - - - - - - - - - - ug/L 10/01/97 -- - -- NO ND ND ND ND 120 ND 410 - - - - - - - - - - - - - - ug/L 04/01/98 -- - -- NO ND ND ND ND 60 ND 240 - - - - - - - - - - - - - - ug/L 10/01/98 -- - -- NO ND ND ND ND ND ND ND - - - - - - - - - - - - - - ug/L 04/01/99 -- - -- NO ND ND ND ND ND ND ND - - - - - - - - - - - - - - ug/L 09/01/99 -- - -- NO ND ND ND ND ND ND ND - - - - - - - - - - - - - - ug/L 05/01/00 -- - -- NO ND ND ND ND ND ND 82 - - - - - - - - - - - - - - ug/L 09/01/00 -- - -- NO ND ND ND ND ND ND 120 - - - - - - - - - - - - - - ug/L 04/01/01 -- - -- NO ND ND ND ND ND ND 68 - - - - - - - - - - - - - - ug/L 10/01/01 -- - -- NO ND 230 NO NO 81 NO 290 - - - - - - - - - - - - - - ug/L 04/01/02 -- - -- NO ND ND ND ND ND ND ND - - - - - - - - - - - - - - ug/L 11/01/02 -- - -- NO ND ND ND ND ND ND ND - - - - - - - - - - - - - - ug/L 05/01/03 -- - -- NO ND ND ND ND ND ND ND - - - - - - - - - - - - - - ug/L 10/01/03 -- - -- NO ND ND ND ND ND ND ND - - - - - - - - - - - - - - ug/L 05/01/04 -- - -- NO ND ND ND ND ND ND ND - - - - - - - - - - - - - - ug/L 11/01/04 -- - -- NO ND ND ND ND ND ND ND - - - - - - - - - - - - - - ug/L 05/01/05 -- - -- ND ND ND ND ND ND ND ND - - - - - - - - - - - - - - ug/L 11/04/05 -- - -- - -- - - - - - -- ND ND ND ND ND ND - - - - - - - - ug/L 12/12/05 -- - -- - -- - - - - - -- NO ND ND ND ND ND - - - - - - - - ug/L 12/13/05 -- - -- - -- - - - - - -- NO ND ND ND ND ND - - - - - - - - ug/L 12/22/05 -- - -- - -- - - - - - -- NO ND ND ND ND ND - - - - - - - - ug/L 12/30/05 -- - 50 ND ND ND ND ND ND ND NO ND ND NO ND ND ND -- -- -- -- -- - - ND ug/L 09/26/06 -- - 50 ND ND ND ND ND ND ND ND ND ND ND ND ND ND -- -- -- -- -- - - ND ug/L 01/31/07 -- - 50 6.4 J 2.3 J ND ND ND ND ND ND ND NO ND 3.9 J NO 14.1 J - - - - - - - ND ug/L 07/12/07 -- - 50 6.4 J ND 2.9 J ND ND ND ND ND ND 1.7 J ND 2.7 J NO Dry - - - - - - 5.1 J ND ug/L 01/17/08 -- - 50 3.6 J ND 3.1 J ND ND ND ND 5.8 J 2.6 J NO ND 4.7 J NO Dry - - - - - - ND ND ug/L 07/30/08 -- - 50 2.2 B ND ND ND ND ND ND ND ND NO ND ND ND Dry - - - - - - ND 12.4 J ug/L 01/21/09 -- - 50 6.2 J ND 3.3 J ND 3.6 J 2.1 J 2.6 J ND 1.9 J 2.7 J ND 7.1 J ND Dry - - - - - - 2 J ND ug/L 07/14/09 -- - 50 4.56 J ND 2.65 B ND 2.03 B 0.986 B 1.57 B 1.22 B 2.17 B 0.893 B NO 4.22 B ND Dry - - - - - - ND 0.882 J ug/L 01/07/10 -- - 50 2.78 J ND ND ND ND ND NO ND ND NO NO 2.82 J NO Dry -- -- -- -- -- - ND ND ug/L 07/20/10 -- - 50 2.42 J ND ND ND ND ND NO 2.4 J ND NO ND 3.49 J ND Dry - - - - - - NO ND ug/L 01/31/11 -- - 50 5.26 J ND 4.5 J ND ND ND 1.9 J ND 3.77 J NO 3.03 J 5.81 J 3.23 J Dry - - - - - - NO ND ug/L 07/18/11 -- - 50 5.98 J ND 2.95 J ND ND ND NO ND 2 J NO ND 5.04 J 2.95 J - 3.07 J - - - - - NO ND ug/L 01/24/12 -- - 50 7.66 J ND 3.93 J ND 2.36 J 2.73 J 3.26 J 2.29 J 5.92 J 2.89 J 1.96 J 6.07 J 6.1 J - 3.01 J - - - - - NO ND ug/L 07/17/12 -- - 50 5.01 J ND 2.3 J ND ND ND ND ND 1.94 J NO ND 3.32 J 3.74 J - ND - - - - - NO ND ug/L 01/22/13 -- - 50 9.85 J 3.87 J 3.61 J - ND ND 3.52 J 2.28 J Dry NO ND 6.87 J 10.8 J - ND 4.28 J 3.2 J 1.94 J 58 -- ND ND ug/L 07/15/13 -- - 50 4.27 J ND 2.1 J - ND ND ND ND ND - - 6.75 J 4.38 J - NO ND ND ND 40.9 J -- ND ND ug/L 01/27/14 -- - 50 4.79 J ND 3.28 J - ND ND ND ND Dry - - 4.79 J 3.49 J - NO ND ND ND 40.7 J -- ND ND ug/L 07/15/14 -- - 50 4.02 J 2.78 J 2.07 J - ND ND ND ND ND - - 4.21 J NO - ND ND ND ND 40.4 J -- ND ND ug/L 01/20/15 1.8 - 50 4.98 J 2.51 J 2.77 J - ND ND ND ND 9.85 J - - 5.92 J NO - ND - - - - - - ND ug/L 07/23/15 1.8 - 50 3.76 J ND 2.97 J - ND ND ND ND Dry - - 4.75 J 4.14 J - NO ND ND ND 44.1 J -- ND ND ug/L 01/12/16 1.8 - 50 5.27 J ND ND - ND 2.11 J ND ND ND - - 6.77 J NO - ND ND ND ND 42.9 J -- ND ND ug/L 08/01/16 2.2 - 50 3.96 J ND ND ND ND 2.87 J ND ND ND - - 4.06 J 3.1 J - ND ND NO ND 43.7 J -- ND ND ug/L 01/18/17 2.2 - 50 6.93 J ND 4.09 J - ND ND ND ND ND - - 7.85 J 2.25 J - ND ND ND ND 47.3 J -- ND ND ug/L 07/24/17 2.2 - 50 4.30 J ND 3.40 J - ND ND ND NO 7.78 J - - ND 3.36 J - NO NO NO NO - ND Dry ND ug/L 11/01/17 2.2 - 50 - -- - - - - - -- - - - - - - - - -- - - ND Dry NO ug/L 02/20/18 2.2 - 50 4.27 J ND 3.30 J - 4.69 J ND ND NO 2.28 J - - 8.19 J 3.49 J - NO NO NO NO - 3.24 J Dry ND ug/L 08/08/18 2.2 10.0 -- 4.46 J ND 2.96 J - ND ND 3.02 J NO ND - - 6.97 J 3.31 J - NO NO NO 2.72 J - 2.75 J Dry NO ug/L 01/15/19 2.2 10.0 -- 5.86 J ND ND - ND 11.1 ND ND 2.30 J - - 9.95 J 3.74 J - NO NO NO 2.36 J - 2.32 J Dry ND ug/L 08/14/19 2.2 10.0 -- 8.69 J ND 3.29 J - ND 3.21 J ND ND ND - - 7.22 J 3.06 J - ND NO ND ND - 2.33 J ND ND ug/L 01/13/20 2.2 10.0 -- 6.96 J ND 3.11 J - ND ND ND ND 2.86 J - - 9.78 J ND - NO NO ND ND - 2.51 J Dry ND u /L 08/11/20 2.20 10.0 6.29 J ND 3.29 J ND ND ND ND 4.57 J 6.93 J ND ND NO ND ND ND ND ND k> GOLDER Page 10 of 20 November 2020 Project No. 20140083 Table 4 Summary of Detected Constituents in Groundwater for the Municipal Solid Waste Landfill Rowan County Landfill (Active MSW and Closed C&D Facilities) Permit 80-03 Detected Monitoring Constituents/Analytes Units Sample Date MDL MRL SWS Reporting Limit Upgradient MSW Wells Sidegradient and Downgradient MSW Wells French Drain Blanks MW49 ND MW-16 -- MW-1 ND MWfi ND MW-7 ND MW-11 -- MW-12 - MW-13 - MW-20 - MW-21 - MW-22 - MW-23 - MW-23A - MW-24 - MW-24R - MW-25 - MW-26 - MW-27 - MW-28 - MW-28R - Selenium ug/L 10/01/93 -- - -- - - NC2L=20 ug/L ug/L 07/01/94 -- - -- ND -- ND ND ND — — — — — — — — — — — — — — — — — EPA MCL = 50 ug/L ug/L 10/01/94 -- - -- NO -- ND ND ND — — -- — — — — — — — — — — — — — — ug/L 01/01/95 -- - -- NO -- ND ND ND — — -- — — — — — — — — — — — — — — ug/L 05/01/95 -- - -- NO -- ND ND ND — — -- — — — — — — — — — — — — — — ug/L 10/01/95 -- - -- NO -- ND ND ND — — -- — — — — — — — — — — — — — — ug/L 04/01/96 -- - -- NO -- ND ND ND — — -- — — — — — — — — — — — — — — ug/L 10/01/96 -- - -- NO -- ND ND ND — — -- — — — — — — — — — — — — — — ug/L 04/01/97 -- - -- NO -- ND ND ND — — -- — — — — — — — — — — — — — — ug/L 10/01/97 -- - -- NO ND ND ND ND ND ND ND — — — — — — — — — — — — — — ug/L 04/01/98 -- - -- NO ND ND ND ND ND ND ND — — — — — — — — — — — — — — ug/L 10/01/98 -- - -- NO ND ND ND ND ND ND ND — — — — — — — — — — — — — — ug/L 04/01/99 -- - -- NO ND ND ND ND ND ND ND — — — — — — — — — — — — — — ug/L 09/01/99 -- - -- NO ND ND ND ND ND ND ND — — — — — — — — — — — — — — ug/L 05/01/00 -- - -- NO ND ND ND ND ND ND ND — — — — — — — — — — — — — — ug/L 09/01/00 -- - -- NO ND ND ND ND ND ND ND — — — — — — — — — — — — — — ug/L 04/01/01 -- - -- NO ND ND ND ND ND ND ND — — — — — — — — — — — — — — ug/L 10/01/01 -- - -- NO ND ND ND ND ND ND ND — — — — — — — — — — — — — — ug/L 04/01/02 -- - -- NO ND ND ND ND ND ND ND — — — — — — — — — — — — — — ug/L 11/01/02 -- - -- NO ND ND ND ND ND ND ND — — — — — — — — — — — — — — ug/L 05/01/03 -- - -- NO ND ND ND ND ND ND ND — — — — — — — — — — — — — — ug/L 10/01/03 -- - -- NO ND ND ND ND ND ND ND — — — — — — — — — — — — — — ug/L 05/01/04 -- - -- ND ND ND ND ND ND ND ND — — — — — — — — — — — — — — ug/L 11/01/04 -- - -- ND ND ND ND ND ND ND ND — — — — — — — — — -- -- — — — ug/L 05/01/05 -- - -- ND ND ND ND ND ND ND ND — — — — — — — — — -- -- — — — ug/L 11/04/O5 -- - -- - -- - - - - - -- NO ND ND ND ND ND — — — -- -- — — — ug/L 12/12/O5 -- - -- - -- - - - - - -- NO ND ND ND ND ND — — — -- -- — — — ug/L 12/13/05 -- - -- - -- - - - - - -- NO ND ND ND ND ND — — — -- -- — — — ug/L 12/22/05 -- - -- - -- - - - - - -- NO NO ND ND ND ND — — — -- -- — — — ug/L 12/30/05 -- — 20 NO ND ND ND ND ND NO ND NO NO NO ND ND ND -- -- -- -- -- — — ND ug/L 09/26/06 -- — 20 NO ND ND ND ND ND NO ND NO NO ND ND NO ND -- -- -- -- -- - -- ND ug/L 01/31/07 -- — 10 ND 2.4 B ND ND 2 B ND 2.3 B ND NO NO ND 6.4 J NO ND — — — -- -- — — 2 J ug/L 07/12/07 -- — 10 ND ND ND ND 3.4 J ND NO ND NO NO ND ND NO Dry — — — -- -- — ND ND ug/L 01/17/08 -- — 10 2.5 J ND ND ND ND ND NO ND NO ND ND ND NO Dry — — — -- -- — ND ND ug/L 07/30/08 -- — 10 ND ND ND ND ND ND NO ND NO NO ND ND NO Dry -- -- -- -- -- — ND ND ug/L 01/21/09 -- — 10 ND ND ND ND ND ND NO ND NO 3.7 1 ND NO 4.4 J Dry — — — -- -- — 4.1 J ND ug/L 07/14/09 -- — 10 ND ND ND ND ND ND NO ND NO NO ND NO NO Dry -- -- -- -- -- — ND ND ug/L 01/07/10 -- — 10 ND ND ND ND ND ND NO ND NO NO ND NO NO Dry -- -- -- -- -- — ND ND ug/L 07/20/10 -- — 10 NO ND ND ND ND ND NO ND NO NO ND NO NO Dry -- -- -- -- -- — NO ND ug/L 01/31/11 -- — 10 NO ND ND ND ND ND NO ND NO NO ND NO NO Dry -- -- -- -- -- — NO ND ug/L 07/18/11 -- — 10 ND ND ND ND ND ND NO ND NO NO ND NO NO -- ND -- -- -- -- — NO ND ug/L 01/24/12 -- — 10 ND ND ND ND ND ND NO ND NO NO ND ND NO -- ND -- -- -- -- — NO ND ug/L 07/17/12 -- — 10 ND ND ND ND ND ND ND ND ND NO NO ND NO -- ND -- -- -- -- — NO ND ug/L 01/22/13 -- — 10 NO ND ND — ND ND ND ND Dry NO NO NO NO -- ND ND ND NO NO — ND ND ug/L 07/15/13 -- — 10 NO ND ND — ND ND ND ND ND — — NO NO -- ND ND ND NO ND — NO ND ug/L 01/27/14 -- — 10 ND ND ND — ND ND ND ND Dry — — NO NO -- NO ND ND NO ND — NO ND ug/L 07/15/14 -- — 10 ND ND ND — ND ND ND ND ND — — NO NO -- ND ND ND NO ND -- NO ND ug/L 01/20/15 5 — 10 NO ND ND — ND ND NO ND ND — — NO NO -- NO — — -- — — — ND ug/L 07/23/15 5 — 10 NO ND ND — ND ND NO ND Dry — — NO NO -- NO ND ND NO NO -- NO ND ug/L 01/12/16 5 — 10 NO ND ND — ND ND NO ND ND — — NO NO -- NO ND ND NO NO -- ND ND ug/L 08/01/16 6.2 — 10 ND ND ND ND ND ND NO ND ND — — NO ND — ND ND ND ND ND -- ND ND ug/L 01/18/17 6.2 — 10 ND ND ND — ND ND NO ND ND — — NO NO — ND ND ND ND ND -- ND ND ug/L 07/24/17 6.2 — 10 ND ND ND — ND ND ND ND ND — — ND ND — ND ND ND ND — ND Dry ND ug/L 11/01/17 6.2 — 10 — -- — — — — — -- — — — — — — — — — — — ND Dry ND ug/L 02/20/18 6.2 — 10 ND ND ND — ND ND ND ND ND — — ND ND — ND ND ND ND — ND Dry ND ug/L 08/08/18 6.2 10.0 -- ND ND ND — ND ND ND ND ND — — ND ND — ND ND ND ND — ND Dry ND ug/L 01/15/19 6.2 10.0 -- ND ND ND — ND ND ND ND ND — — ND ND — ND ND ND ND — ND Dry ND ug/L O8114/19 6.2 10.0 -- ND ND ND — ND ND ND ND ND — — ND ND — ND ND ND ND -- ND ND ND ug/L 01/13/20 6.2 10.0 -- ND ND ND — ND ND ND ND ND — — ND ND — ND ND ND ND -- ND Dry ND u /L 08/11/20 6.20 10.0 ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND k> GOLDER Page 11 of 20 November 2020 Project No. 20140083 Table 4 Summary of Detected Constituents in Groundwater for the Municipal Solid Waste Landfill Rowan County Landfill (Active MSW and Closed C&D Facilities) Permit 80-03 Detected Monitoring Constituents/Analytes Units Sample Date MDL MRL SWS Reporting Limit Upgradient MSW Wells Sidegradient and Downgradient MSW Wells French Drain Blanks MW49 - MW-16 -- MW-1 - MW46 -- MW-7 -- MW-11 -- MW-12 - MW-13 -- MW-20 - MW-21 - MW-22 - MW-23 - MW-23A - MW-24 - MW-24R - MW-25 - MW-26 - MW-27 - MW-28 - MW-28R - Silver ug/L 10/01/93 -- - -- - - NC 21 = 20 ug/L ug/L 07/01 /94 -- - -- - -- - - - -- - -- - - - - - - - - - - - - - - EPA MCL = 100 ug/L ug/L 10/01 /94 -- - -- - -- - - - -- - -- - - - - - - - - - - - - - - ug/L 01/01/95 -- _ -- _ ug/L 05/01/95 -- _ -- _ ug/L 10/01/95 ug/L 04/01/96 ug/L 10/01/96 ug/L 04/01/97 ug/L 10/01/97 ug/L 04/01/98 ug/L 10/01/98 ug/L 04/01/99 ug/L 09/01/99 ug/L 05/01/00 ug/L 09/01/00 ug/L 04/01/01 ug/L 10/01/01 ug/L 04/01/02 ug/L 11/01/02 ug/L 05/01/03 ug/L 10/01/03 ug/L 05/01/04 ug/L 11/01/04 ug/L 05/01/05 ug/L 12/01/05 -- - 10 NO ND ND ND ND ND NO ND NO NO NO ND ND ND -- -- -- - - - - ND ug/L 09/26/06 -- - 10 NO ND ND ND ND ND NO ND NO NO NO ND ND ND -- -- -- - - - -- ND ug/L 01/31/07 -- - 10 NO ND ND ND ND ND NO ND NO NO NO ND ND ND -- -- -- - - - -- ND ug/L 07/12/07 -- - 10 NO ND ND ND ND ND NO ND NO NO NO ND ND Dry -- -- -- -- - - ND ND ug/L 01/17/08 -- - 10 NO ND ND ND ND ND NO ND NO NO NO ND ND Dry -- -- -- -- - - ND ND ug/L 07/30/08 -- - 10 NO ND ND ND ND ND 3.1 J ND NO NO NO ND 2.1 J Dry - - - - - - ND ND ug/L 01/21/09 -- - 10 ND ND ND ND ND ND NO ND NO NO NO ND ND Dry -- -- -- -- -- - ND ND ug/L 07/14/09 -- - 10 ND ND ND ND ND ND NO ND NO NO NO ND ND Dry -- -- -- -- -- - ND ND ug/L 01/07/10 -- - 10 ND ND ND ND ND ND 0.484 J 0.63 J NO NO ND 0.715 J 0.548 J Dry -- -- -- -- -- - 0.714 J ND ug/L 07/20/10 -- - 10 ND ND ND ND ND ND NO ND NO NO NO ND ND Dry -- -- -- -- -- - ND ND ug/L 01/31/11 -- - 10 ND ND ND ND ND ND NO ND NO NO NO ND NO Dry -- -- -- -- -- - NO ND ug/L 07/18/11 -- - 10 ND ND ND ND ND ND ND ND NO NO NO ND NO -- ND -- -- -- -- - NO ND ug/L 01/24/12 -- - 10 2.17 J ND ND 2.36 J 2.11 J 6.57 J 2.91 J ND NO NO 3.06 J ND NO -- ND -- -- -- -- - NO ND ug/L 07/17/12 -- - 10 ND ND ND ND ND ND 5.51 J ND ND 15.3 NO ND NO - 9.54 J -- -- -- -- - NO ND ug/L 01/22/13 -- - 10 NO 2.7 J ND - ND ND 2.44 J ND Dry 6.29 J NO NO NO - ND ND ND ND ND - ND ND ug/L 07/15/13 -- - 10 ND 2.55 J 2.69 J - 3.89 J 2.1 J 4.91 J 4.42 J ND - - 2.03 J 2.17 J - 2.3 J NO ND ND ND - NO ND ug/L 01/27/14 -- - 10 ND ND ND - 1.93 J ND ND ND Dry - - ND NO - ND ND 4.15 J ND ND - NO ND ug/L 07/15/14 -- - 10 ND ND ND - 3.26 J ND ND ND ND - - ND ND - 6.25 J 1.96 J ND ND ND -- ND ND ug/L 01/20/15 1.9 - 10 4.77 8 6.84 B 3.14 B -- 4.15 B 2.29 B 2.41 B 2.77 B 26.6 - - 29 (8.07 J) 3.71 B - 6.21 B - - - - - - 3.39 J (Verification) ug/L 03/20/15 1.9 - 10 - -- - -- - - - -- ND - - - - - - - - - - - - - ug/L 07/23/15 1.9 - 10 ND ND ND - ND ND ND ND Dry - - ND 9.35 J - ND ND ND ND NO -- ND ND ug/L 01/12/16 1.9 - 10 ND ND ND - ND 2.11 J NO ND ND - - NO ND - ND NO ND ND NO -- NO ND ug/L 08/01/16 1.9 - 10 NO ND ND ND ND 4.08 J NO ND ND - - NO 12.4 - ND NO ND ND NO -- ND ND ug/L 01/18/17 1.9 - 10 NO ND ND - ND ND NO ND ND - - NO ND - ND ND NO ND NO -- NO ND ug/L 07/24/17 1.9 - 10 ND ND ND - ND ND ND ND ND - - ND 1.90 J - ND ND ND ND - ND Dry ND ug/L 11/01/17 1.9 - 10 - - - - - - - -- - - - - - - - -- -- - - ND Dry ND ug/L 02/20/18 1.9 - 10 ND ND ND - ND ND ND ND ND - - ND ND - ND ND ND ND - ND Dry ND ug/L 08/08/18 1.9 10.0 -- ND ND ND - 2.15 J ND ND 2.48 J ND - - ND 4.02 J - 5.12 J ND ND ND -- ND Dry ND ug/L 01/15/19 1.9 10.0 -- ND ND ND - ND ND ND ND ND - - ND ND - ND ND ND ND -- ND Dry ND ug/L 08/14/19 1.9 10.0 -- ND ND ND - ND ND ND ND ND - - ND ND - ND ND ND ND -- ND ND ND ug/L 01/13/20 1.9 10.0 -- ND ND ND - ND ND ND ND ND - - ND ND - ND ND ND ND -- ND Dry ND u /L 08/11/20 1.90 10.0 ND ND ND ND ND ND ND ND ND 3.69 6 2.24 B 2.13 B ND ND ND ND 2.17 J k> GOLDER Page 12 of 20 November 2020 Project No. 20140083 Table 4 Summary of Detected Constituents in Groundwater for the Municipal Solid Waste Landfill Rowan County Landfill (Active MSW and Closed C&D Facilities) Permit 80-03 Detected Monitoring Constituents/Analytes Units Sample Date MDL MRL SWS Reporting Limit Upgradient MSW Wells Sidegradient and Downgradient MSW Wells French Drain Blanks MW49 ND MW-16 -- MW-1 ND MWfi ND MW-7 ND MW-11 -- MW-12 - MW-13 - MW-20 - MW-21 - MW-22 - MW-23 - MW-23A - MW-24 - MW-24R - MW-25 - MW-26 - MW-27 - MW-28 - MW-28R - Thallium ug/L 10/01/93 -- - -- - - IMAC = 0.2 ug/L ug/L 07/01/94 -- - -- NO -- NO ND ND - - -- - - - - - - - - - - - - - - EPA MCL = 2 ug/L ug/L 10/01/94 -- - -- NO -- ND ND ND - - -- - - - - - - - - - - - - - - ug/L 01/01/95 -- - -- NO -- ND ND ND - - -- - - - - - - - - - - - - - - ug/L 05/01/95 -- - -- NO -- ND ND ND - - -- - - - - - - - - - - - - - - ug/L 10/01/95 -- - -- NO -- ND ND ND - - -- - - - - - - - - - - - - - - ug/L 04/01/96 -- - -- NO -- ND ND ND - - -- - - - - - - - - - - - - - - ug/L 10/01/96 -- - -- NO -- ND ND ND - - -- - - - - - - - - - - - - - - ug/L 04/01/97 -- - -- NO -- ND ND ND - - -- - - - - - - - - - - - - - - ug/L 10/01/97 -- - -- NO -- ND ND ND ND ND ND - - - - - - - - - - - - - - ug/L 04/01/98 -- - -- NO -- ND ND ND ND ND 7 - - - - - - - - - - - - - - ug/L 10/01/98 -- - -- NO -- ND ND ND ND ND ND - - - - - - - - - - - - - - ug/L 04/01/99 -- - -- NO -- ND ND ND ND ND ND - - - - - - - - - - - - - - ug/L 09/01/99 -- - -- NO -- ND ND ND ND ND ND - - - - - - - - - - - - - - ug/L 05/01/00 -- - -- NO -- ND ND ND ND ND ND - - - - - - - - - - - - - - ug/L 09/01/00 -- - -- NO -- ND ND ND ND ND ND - - - - - - - - - - - - - - ug/L 04/01/01 -- - -- NO -- ND ND ND ND ND ND - - - - - - - - - - - - - - ug/L 10/01/01 -- - -- NO -- ND ND ND ND ND ND - - - - - - - - - - - - - - ug/L 04/01/02 -- - -- NO -- ND ND ND ND ND ND - - - - - - - - - - - - - - ug/L 11/01/02 -- - -- NO -- ND ND ND ND ND ND - - - - - - - - - - - - - - ug/L 05/01/03 -- - -- NO -- ND ND ND ND ND ND - - - - - - - - - - - - - - ug/L 10/01/03 -- - -- NO -- ND ND ND ND ND ND - - - - - - - - - - - - - - ug/L 05/01/04 -- - -- ND -- ND ND ND ND ND ND - - - - - - - - - - - - - - ug/L 11/01/04 -- - -- ND -- ND ND ND ND ND ND - - - - - - - - - - - - - - ug/L 05/01/05 -- - -- ND -- ND ND ND ND ND ND - - - - - - - - - - - - - - ug/L 11/04/O5 -- - -- - -- - - - - - -- NO ND ND ND ND ND - - - - - - - - ug/L 12/12/O5 -- - -- - -- - - - - - -- NO ND ND ND ND ND - - - - - - - - ug/L 12/13/05 -- - -- - -- - - - - - -- NO ND ND ND ND ND - - - - - - - - ug/L 12/22/05 -- - -- - -- - - - - - -- NO ND ND ND ND NO - - - - - - - - ug/L 12/30/05 -- - 5.5 NO ND ND ND ND ND ND ND NO ND ND ND ND ND -- -- -- -- -- - - ND ug/L 09/26/06 -- - 5.5 NO ND ND ND ND ND NO ND NO ND ND ND NO ND -- -- -- -- -- - -- ND ug/L 01/31/07 -- - 5.5 NO 0.106 J ND ND ND ND NO 0.046 J NO 0.047 J 0.054 J ND NO 0.468 J - - - - - - - NO ug/L 07/12/07 -- - 5.5 NO ND ND ND ND ND NO 0.045 J NO 0.037 J 0.038 J 0.041 J NO Dry -- -- -- -- -- - ND ND ug/L 01/17/08 -- - 5.5 NO ND ND ND 0.049 J 0.06 J NO 0.205 J NO ND 0.042 J 0.086 J NO Dry -- -- -- -- -- - ND ND ug/L 07/30/08 -- - 5.5 NO ND 0.097 J ND 0.066 J 0.072 J ND 0.083 J NO ND ND ND NO Dry -- -- -- -- -- - ND ND ug/L 01/21/09 -- - 5.5 NO ND ND ND ND ND ND ND NO NO ND ND NO Dry - - - -- -- - ND ND ug/L 07/14/09 -- - 5.5 NO ND ND ND 0.084 J ND NO 0.05 J NO NO ND ND ND Dry - - - -- -- - NO ND ug/L 01/07/10 -- - 5.5 NO ND ND ND ND ND NO ND NO NO 0.125 J ND ND Dry -- -- -- -- -- - NO ND ug/L 07/20/10 -- - 5.5 NO ND ND ND ND ND NO 0.157 J NO NO ND NO ND Dry -- -- -- -- -- - NO ND ug/L 01/31/11 -- - 5.5 NO ND ND ND ND ND NO ND NO NO ND NO ND Dry -- -- -- -- -- - NO ND ug/L 07/18/11 -- - 5.5 NO ND ND ND ND ND NO ND NO NO ND NO ND - ND -- -- -- -- - NO ND ug/L 01/24/12 -- - 5.5 NO ND ND ND ND ND ND ND NO NO ND ND 0.16 J - ND -- -- -- -- - NO ND ug/L 07/17/12 -- - 5.5 NO ND ND ND 0.138 J ND ND ND ND NO ND ND 0.263 J - ND -- -- -- -- -- NO ND ug/L 01/22/13 -- - 5.5 NO ND ND - 0.407 J ND NO ND Dry NO ND NO 0.324 J - NO NO NO NO ND - NO ND ug/L 07/15/13 -- - 5.5 NO ND ND - ND ND ND ND ND - - ND 0.188 J - ND ND ND ND ND -- ND ND ug/L 01/27/14 -- - 5.5 ND ND ND - ND ND ND ND Dry - - NO 0.142 J - ND ND ND ND 0.135 J -- ND ND ug/L 07/15/14 -- - 5.5 ND ND ND - ND ND ND ND ND - - NO ND - ND ND ND ND 0.136 J -- ND ND ug/L 01/20/15 0.11 - 5.5 NO ND ND - ND ND ND ND ND - - NO ND - ND - - - - - - ND ug/L 07/23/15 0.11 - 5.5 NO ND ND - ND ND NO ND Dry - - NO 0.291 J - NO NO NO NO 0.138 J - ND ND ug/L 01/12/16 0.11 - 5.5 NO ND 0.114 J - ND ND NO ND ND - - NO ND - ND ND ND ND 0.16 J -- ND ND ug/L 08/01/16 0.11 - 5.5 ND ND ND ND ND ND NO ND ND - - ND ND - ND ND ND ND 0.156 J -- ND ND ug/L 01/18/17 0.11 - 5.5 ND ND 0.349 J - 0.335 J 0.384 J 0.387 J 0.51 J 0.188 J - - 0.502 J 0.225 J - 0.18 J NO 0.35 J 0.306 J 0.581 J - 0.337 J NO ug/L 07/24/17 0.11 - 5.5 0.147 J 0.152 J NO - 0.134 J ND 0.133 J 0.223 J 0.193 J - - NO NO - ND NO 0.110 J NO - 0.172 J Dry ND ug/L 11/01/17 0.11 - 5.5 - -- - - - - - -- - - - - - - - - -- - - ND Dry ND ug/L 02/20/18 0.11 - 5.5 ND ND ND - ND ND ND ND ND - - ND ND - ND ND ND ND - ND Dry ND ug/L 08/08/18 0.55 5.00 -- ND ND ND - ND ND ND ND ND - - ND ND - ND ND ND ND -- ND Dry ND ug/L 01/15/19 0.55 5.00 -- ND ND ND - ND ND ND ND ND - - ND ND - ND ND ND ND -- ND Dry ND ug/L O8114/19 0.22 2.00 -- ND ND ND - ND ND ND ND ND - - ND ND - ND ND ND ND -- ND ND ND ug/L 01/13/20 0.22 2.00 -- ND ND ND - ND ND ND ND ND - - ND ND - ND ND ND ND -- ND Dry ND ug/L W/11120 0.220 2.00 ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND I ND k> GOLDER Page 13 of 20 November 2020 Project No. 20140083 Table 4 Summary of Detected Constituents in Groundwater for the Municipal Solid Waste Landfill Rowan County Landfill (Active MSW and Closed C&D Facilities) Permit 80-03 Detected Monitoring Constituents/Analytes Units Sample Date MDL MRL SWS Reporting Limit Upgradient MSW Wells Sidegradient and Downgradient MSW Wells French Drain Blanks MW49 ND MW-16 -- MW-1 ND MWfi ND MW-7 ND MW-11 -- MW-12 - MW-13 - MW-20 - MW-21 - MW-22 - MW-23 - MW-23A - MW-24 - MW-24R - MW-25 - MW-26 - MW-27 - MW-28 - MW-28R - Vanadium ug/L 10/01/93 -- - -- - - IMAC = 0.3 ug/L ug/L 07/01/94 -- - -- NO -- NO ND ND - - -- - - - - - - - - - - - - - No EPA MCL ug/L 10/01/94 -- - -- ND -- ND ND ND - - -- - - - - - - - - - - - - - - ug/L 01/01/95 -- - -- NO -- ND ND ND - - -- - - - - - - - - - - - - - - ug/L 05/01/95 -- - -- NO -- ND ND ND - - -- - - - - - - - - - - - - - - ug/L 10/01/95 -- - -- NO -- ND ND 150 - - -- - - - - - - - - - - - - - - ug/L 04/01/96 -- - -- NO -- ND ND ND - - -- - - - - - - - - - - - - - - ug/L 10/01/96 -- - -- NO -- ND ND ND - - -- - - - - - - - - - - - - - - ug/L 04/01/97 -- - -- 14 -- NO 8 160 - - -- - - - - - - - - - - - - - - ug/L 10/01/97 -- - -- 16 33 60 NO 55 720 66 1000 - - - - - - - - - - - - - - ug/L 04/01/98 -- - -- 17 33 12 NO 27 330 140 670 - - - - - - - - - - - - - - ug/L 10/01/98 -- - -- NO ND ND ND ND ND ND NO - - - - - - - - - - - - - - ug/L 04/01/99 -- - -- NO ND ND ND ND ND ND NO - - - - - - - - - - - - - - ug/L 09/01/99 -- - -- NO ND ND ND ND 55 ND 69 - - - - - - - - - - - - - - ug/L 05/01/00 -- - -- NO ND 50 NO 48 200 47 220 - - - - - - - - - - - - - - ug/L 09/01/00 -- - -- NO ND 220 NO NO 290 NO 420 - - - - - - - - - - - - - - ug/L 04/01/01 -- - -- NO ND ND ND ND 150 NO 210 - - - - - - - - - - - - - - ug/L 10/01/01 -- - -- 58 ND 250 NO 92 320 ND 670 - - - - - - - - - - - - - - ug/L 04/01/02 -- - -- NO ND ND ND ND ND ND NO - - - - - - - - - - - - - - ug/L 11/01/02 -- - -- NO ND ND ND ND ND ND NO - - - - - - - - - - - - - - ug/L 05/01/03 -- - -- NO ND ND ND ND ND ND NO - - - - - - - - - - - - - - ug/L 10/01/03 -- - -- NO ND ND ND ND ND ND NO - - - - - - - - - - - - - - ug/L 05/01/04 -- - -- NO ND ND ND ND ND ND NO - - - - - - - - - - - - - - ug/L 11/01/04 -- - -- ND NO ND ND ND ND ND NO - - - - - - - - - - - - - - ug/L 05/01/05 -- - -- ND NO ND ND ND ND ND NO - - - - - - - - - - - - - - ug/L 11104/O5 -- - -- - -- - - - - - -- NO ND ND ND ND 68 - - - - - - - - ug/L 12112/O5 -- - -- - -- - - - - - -- NO ND 85 NO NO 68 - - - - - - - - ug/L 12/13/05 -- - -- - -- - - - - - -- ND 58 NO ND NO 79 - - - - - - - - ug/L 12/22/05 -- - -- - -- - - - - - -- NO ND 41 NO NO NO - - - - - - - - ug/L 12/30/05 -- - 25 NO ND 42 NO NO NO ND ND ND ND ND ND ND ND - - - - - - - ND ug/L 09/26/06 -- - 25 NO ND ND ND ND NO ND ND ND ND ND ND ND ND -- -- -- -- - - -- ND ug/L 01/31/07 -- - 25 3.4 J 7.4 J NO 1 J 1.4 J 1.7 J 1.2 J 2.5 J NO 28.2 NO 3.2 J 3 J 20.1 - - - - - - - NO ug/L 07/12/07 -- - 25 3.3 J ND 3.6 J NO NO 2.4 J NO ND NO 20.7 J NO NO 4.4 J Dry - - - - - - 5.3 J NO ug/L 01/17/08 -- - 25 3.7 J 2.5 J NO 1.9 J NO 5.6 J 1.4 J 17.7 J 14.8 J 3.8 J 1 J 4.9 J 7.1 J Dry - - - - - - 8.2 J NO ug/L 07/30/08 -- - 25 4.6 J 2.2 J NO NO 3 J 3.3 J 3.9 J 2.9 J NO 15.8 J 1.9 J 2.3 J 6.2 J Dry - - - - - - 8.3 J NO ug/L 01/21/09 -- - 25 3.7 J ND NO NO NO 3.2 J 3 J ND NO 2.4 J 2.5 J 6.9 J 5.9 J Dry - - - - - - 7.9 J NO ug/L 07/14/09 -- - 25 3.41 J 1 J 2.67 J 1.08 J 0.77 J 2.39 J 1.57 J 2.39 J 1.4 J 4.34 J NO 1.77 J 8.99 J Dry - - - - - - 7.11 J NO ug/L 01/07/10 -- - 25 2.71 J 0.912 J NO NO 0.949 J 1.29 J 2.19 J 1.79 J 1.46 J 3.84 J 7.22 J 3.46 J 9.35 J Dry - - - - - - 5.88 J NO ug/L 07/20/10 -- - 25 3.61 J ND 2.88 J NO 4.13 J 2.68 J 3.71 J 12.3 J 1.47 J 6.87 J NO 2.95 J 6.3 J Dry - - - - - - 8.65 J NO ug/L 01/31/11 -- - 25 2.94 J ND NO NO NO 5.46 J 5.52 J 1.57 J NO 4.85 J NO NO 16.5 J Dry - - - - - - 6.72 J NO ug/L 07/18/11 -- - 25 3.12 J ND NO NO NO 1.75 J 2.43 J ND NO 3.24 J NO NO 16.8 J -- 3.08 J - - - - - 7.83 J NO ug/L 01/24/12 -- - 25 2.38 J ND NO NO NO ND 3.24 J ND 9.88 J 2.01 J NO NO 20.4 J -- NO - - - - - 6.19 J NO ug/L 07/17/12 -- - 25 2.95 J ND NO NO NO 1.52 J 3.29 J ND 12.2 J 2.46 J NO NO 23.6 J - 4.18 J - - - - - 9.15 J NO ug/L 01/22/13 -- - 25 13.6 J ND NO - NO 1.55 J 2.69 J ND Dry NO NO 5.83 J 34.9 - 1.68 J 22.9 J 4.3 J 6.46 J NO - 7.44 J NO ug/L 07/15/13 -- - 25 2.98 J ND NO - NO 1.48 J NO ND 2.66 J - - 6.04 J 21.3 J - NO 7.48 J 2.4 J NO NO - 7.22 J NO ug/L 01/27/14 -- - 25 2.64 J ND NO -- NO NO NO ND Dry - - ND 16.3 J - NO 8.25 J 3.68 J 1.61 J NO - 7.75 J NO ug/L 07/15/14 -- - 25 3.28 J ND NO -- NO 1.62 J 5.83 J ND NO - - NO 10.4 J - NO 5.53 J NO NO NO - 6.98 J NO ug/L 01/20/15 1.4 - 25 2.83 J ND NO -- NO NO NO ND 3.12 J - - NO 14.9 J - NO - - - - - - NO ug/L 07/23/15 1.4 - 25 2.6 J ND 1.66 J - NO 3.26 J 2.89 J ND Dry - - NO 19.4 J - NO 6.04 J NO NO NO - 8.3 J ND ug/L 01/12/16 1.4 - 25 2.99 J ND NO -- NO NO 1.99 J ND NO - - NO 7.77 J - NO 7.85 J NO NO NO - 6.75 J ND ug/L 08/01/16 1.4 - 25 3.34 J ND NO ND NO 3.45 J 1.97 J 1.58 J NO - - NO 13 J - NO 6.45 J NO 1.66 J NO - 8.06 J ND ug/L 01/18/17 1.4 - 25 2.91 J ND NO -- NO 2.70 J 2.14 J ND NO - - NO 8.59 J - NO 8.06 J NO 2.45 J NO - 4.9 J NO ug/L 07/24/17 1.4 - 25 2.72 J ND NO -- NO 2.51 J 2.15 J ND NO - - NO 9.21 J - NO 7.82 J NO NO - NO Dry NO ug/L 11/01/17 1.4 - 25 - -- - -- - - - -- - - - - -- - - - - - - NO Dry NO ug/L 02/20/18 1.4 - 25 4.37 J ND 2.24 J - 1.60 J 2.93 J NO 2.50 J NO - - 1.62 J 9.34 J - 2.21 J 9.41 J 1.75 J 1.84 J - NO Dry NO ug/L 08/08/18 1.4 10.0 -- 2.92 J ND NO - NO 2.25 J 2.10 J 1.72 J NO - - NO 5.33 J - NO 8.13 J NO 7.37 J - NO Dry NO ug/L 01/15/19 1.4 10.0 -- 3.20 J ND NO - NO 1.57 J NO ND NO - - NO 6.52 J - NO 9.10 J NO 5.16 J - NO Dry NO ug/L 08/14/19 1.4 10.0 -- 2.56 J ND NO - NO NO NO ND ND - - ND 5.07 J - NO 7.26 J NO NO - NO 2.47 J ND ug/L 01/13/20 1.4 10.0 -- 3.08 J ND NO - NO 2.17 J NO 2.09 J NO - - NO 5.80 J - NO 8.23 J NO NO - NO Dry NO u /L 08/11/20 1.40 10.0 2.44 J ND NO NO 3.62 J NO 2.39 J NO NO 5.08 J NO 7.97 J NO NO NO 5.58 J NO k> GOLDER Page 10 of 20 November 2020 Project No. 20140083 Table 4 Summary of Detected Constituents in Groundwater for the Municipal Solid Waste Landfill Rowan County Landfill (Active MSW and Closed C&D Facilities) Permit 80-03 Detected Monitoring Constituents/Analytes Units Sample Date MDL MRL SWS Reporting Limit Upgradient MSW Wells Sidegradient and Downgradient MSW Wells French Drain Blanks MW41 20 MW-16 -- MW-1 30 MWfi ND MW-7 ND MW-11 -- MW-12 - MW-13 -- MW-20 - MW-21 - MW-22 - MW-23 - MW-23A - MW-24 - MW-24R - MW-25 - MW-26 - MW-27 - MW-28 - MW-28R - Zinc ug/L 10/01/93 -- - -- - - NC 21 = 1000 ug/L ug/L 07/01 /94 -- - -- ND -- ND 20 ND - - - - - - - - - - - - - - - - - EPA MCL = 5000 ug/L' ug/L 10/01/94 -- - -- ND -- ND ND ND - - - - - - - - - - - - - - - - - ug/L 01/01/95 -- - -- 30 -- 20 20 20 - - -- - - - - - - - - - - - - - - ug/L 05/01/95 -- - -- 20 -- 20 120 20 - - -- - - - - - - - - - - - - - - ug/L 10/01/95 -- - -- ND -- ND 53.7 176 - - -- - - - - - - - - - - - - - - ug/L 04/01/96 -- - -- ND -- ND ND 70 - - -- - - - - - - - - - - - - - - ug/L 10/01/96 -- - -- 52.1 -- 26.2 ND ND - - -- - - - - - - - - - - - - - - ug/L 04/01/97 -- - -- 22 -- 20 30 110 - - -- - - - - - - - - - - - - - - ug/L 10/01/97 -- - -- 35 45 36 11 61 670 91 1600 - - - - - - - - - - - - - - ug/L 04/01/98 -- - -- 32 41 140 32 37 350 180 880 - - - - - - - - - - - - - - ug/L 10/01/98 -- - -- ND ND ND ND ND ND 68 59 - - - - - - - - - - - - - - ug/L 04/01/99 -- - -- 140 ND ND 110 ND 58 58 ND - - - - - - - - - - - - - - ug/L 09/01/99 -- - -- 64 52 74 ND 52 120 73 110 - - - - - - - - - - - - - - ug/L 05/01/00 -- - -- NO ND ND ND 70 250 77 270 - - - - - - - - - - - - - - ug/L 09/01/00 -- - -- NO ND 100 ND ND 330 ND 480 - - - - - - - - - - - - - - ug/L 04/01/01 -- - -- NO ND ND ND ND 170 740 670 - - - - - - - - - - - - - - ug/L 10/01/01 -- - -- 51 ND 940 ND 93 370 ND 920 - - - - - - - - - - - - - - ug/L 04/01/02 -- - -- NO ND ND ND ND ND ND ND - - - - - - - - - - - - - - ug/L 11/01/02 -- - -- NO ND ND ND ND ND ND ND - - - - - - - - - - - - - - ug/L 05/01/03 -- - -- NO ND ND ND ND ND ND ND - - - - - - - - - - - - - - ug/L 10/01/03 -- - -- NO ND ND ND ND ND ND ND - - - - - - - - - - - - - - ug/L 05/01/04 -- - -- NO ND ND ND ND ND ND ND - - - - - - - - - - - - - - ug/L 11/01/04 -- - -- ND ND ND ND ND 90 ND ND - - - - - - - - - - - - - - ug/L 05/01/05 -- - -- ND ND ND ND ND ND ND ND - - - - - - - - - - - - - - ug/L 11/04/05 -- - -- - -- - - - - - -- ND ND ND ND ND 3400 - - - - - - - - ug/L 12/12/05 -- - -- - -- - - - - - -- ND ND ND ND ND 3000 - - - - - - - - ug/L 12/13/05 -- - -- - -- - - - - - -- ND ND ND ND ND 2700 - - - - - - - - ug/L 12/22/05 -- - -- - -- - - - - - -- ND ND ND ND ND 2000 - - - - - - - - ug/L 12/30/05 -- - 50 ND ND ND ND ND ND ND ND ND ND ND ND ND 1500 - - - - - - - ND ug/L 09/26/06 -- - 50 ND ND ND ND ND ND ND ND ND ND ND ND ND 631 - - - - - - - ND ug/L 01/31/07 -- - 10 ND 9.3 J 10.4 ND NO 27.9 ND ND 9.8 J 13.9 ND 1.9 J 2.7 J 562 - - - - - - - ND ug/L 07/12/07 -- - 10 ND ND 12.4 ND NO 6.3 J ND ND 10.6 20.9 ND 5 J ND Dry - - - - - - 4.4 J ND ug/L 01/17/08 -- - 10 1.2 J 2.6 J 7.2 J 2.3 J 1.3 J 6.4 J 2.6 J 21.1 39.1 2.8 J 1.3 J 10.3 2.7 J Dry - - - - - - 3.3 J ND ug/L 07/30/08 -- - 10 4.4 J ND 10 ND NO 19 5.7 J 6.2 J 9.8 J 39.8 ND 9 J ND Dry - - - - - - 22.7 ND ug/L 01/21/09 -- - 10 ND ND 6.8 J ND NO 5.1 J 4.8 J ND 9.3 J 4.2 J 5.1 J 12.9 ND Dry - - - - - - 4.7 J ND ug/L 07/14/09 -- - 10 3.67 J 4.94 J 6.76 J ND 7.18 J ND 5.11 J ND 14.2 4.1 J ND 7.89 J ND Dry - - - - - - 4.47 J ND ug/L 01/07/10 -- - 10 3.29 J 3.78 J 6.75 J 3.86 J 2.49 J 7.49 J 9.39 J 7.74 J 11.7 4.47 J 9.95 J 17 2.41 J Dry - - - - - - 4.68 J ND ug/L 07/20/10 -- - 10 ND 5.96 J 10.4 8.13 J 4.9 J 11.1 7.63 J 16.3 11.2 6.12 J ND 8.11 J ND Dry - - - - - - 12.2 ND ug/L 01/31/11 -- - 10 4.03 J ND 7.83 J 9.2 J ND 7.96 J 9.14 J ND 11.8 5.3 J 4.98 J 5.39 J 14 Dry - - - - - - ND ND ug/L 07/18/11 -- - 10 3.87 J ND 8.8 J 3.93 J ND 5.05 J 7.07 J 4.16 J 14.6 4.44 J ND 4.85 J 16.8 -- 10.4 - - - - - ND ND ug/L 01/24/12 -- - 10 6.31 B ND 5.44 B ND ND ND 5.54 B ND 16.6 B 5.48 B ND ND 24.2 B -- 4.45 B - -- - - - 4.1 B 9.27 J ug/L 07/17/12 -- - 10 ND ND 9 J ND ND ND 6.43 J ND 16.4 6.22 J ND ND 29.3 -- 9.14 J - -- - - - 9.21 J ND ug/L 01/22/13 -- - 10 14.1 ND 9.08 J - ND ND 5.63 J ND Dry ND 9.11 J 16.7 57.2 - 30 13.5 7.14 J 9.86 J 15.6 - ND ND ug/L 07/15/13 -- - 10 ND ND 4.22 J - NO ND ND ND 10.6 - - 11.5 22.6 - ND ND 4.72 J ND 13.8 - ND ND ug/L 01/27/14 -- - 10 4.2 J 4.56 J 7.1 J - 4.23 J 4.41 J 5.69 J 4.15 J Dry - - 5.18 J 20.5 - ND ND 8.8 J 5.52 J 19.9 - 5.85 J ND ug/L 07/15/14 -- - 10 ND ND 6.6 J - NO ND 7.73 J ND 10.9 - - 4 J 9.17 J - ND ND ND ND 15.3 - 4.49 J ND ug/L 01/20/15 3.8 - 10 4.33 J ND 7.31 J -- 5.21 J ND 5.14 J ND 20.1 - - 9.04 J 16.1 - ND - -- - - - - ND ug/L 07/23/15 3.8 - 10 ND ND 8.4 J - NO ND 4.27 J ND Dry - - ND 24.7 - ND 6.84 J ND ND 18.1 - 6.11 J ND ug/L 01/12/16 3.8 - 10 ND ND 5.04 J -- ND ND ND 12.4 10.1 - - ND 4.87 J - ND ND ND ND 14.7 - ND ND ug/L 08/01/16 4.4 - 10 ND ND 6.97 J ND ND ND ND ND 17.6 - - ND 14.3 - 6.73 J ND ND ND 16.5 -- ND ND ug/L 01/18/17 4.4 - 10 ND ND 6.71 J - ND ND ND ND 20.7 - - ND 6.18 J - ND ND ND ND 16.5 - ND ND ug/L 07/24/17 4.4 - 10 NO ND 7.12 J - ND ND ND ND ND - - 13.1 6.92 J - ND NO NO NO - ND Dry ND ug/L 11/01/17 4.4 - 10 - -- - - - - - -- - - - - - - - - - - - NO Dry NO ug/L 02120/18 4.4 - 10 NO ND 8.32 J - ND ND ND ND 7.26 J - - ND 6.87 J - ND ND ND ND - NO Dry ND ug/L 08/08/18 4.4 10.0 -- NO ND 9.52 J - ND ND 8.05 J NO 13.7 - - ND 4.99 J - ND 8.49 J ND 9.83 J - NO Dry ND ug/L 01/15/19 4.4 10.0 -- ND ND ND - ND ND ND NO 15.1 - - ND 5.71 J - ND ND ND 8.79 J - ND Dry ND ug/L 08/14/19 4.4 10.0 -- ND 4.86 J 9.07 J - 4.86 J 5.21 J 4.59 J 6.40 J 10.8 - - 7.83 J 7.14 J - ND 5.12 J ND 4.66 J - 7.24 J 6.19 J ND ug/L 01/13/20 4.4 10.0 -- 4.93 J ND 7.66 J - ND ND 4.83 J ND 16.3 - - 6.54 J 5.30 J - ND 4.66 J 7.60 J 6.95 J - 5.21 J Dry ND u /L 08/11/20 4.40 10.0 ND ND 6.03 J ND 5.13 J ND ND 13.8 5.19 J 5.99 J ND ND ND ND 5.73 J ND ND k> GOLDER Page 15 of 20 November 2020 Project No. 20140083 Table 4 Summary of Detected Constituents in Groundwater for the Municipal Solid Waste Landfill Rowan County Landfill (Active MSW and Closed C&D Facilities) Permit 80-03 Detected Monitoring Constituents/Analytes Units Sample Date MDL MRL SWS Reporting Limit Upgradient MSW Wells Sidegradient and Downgradient MSW Wells French Drain Blanks MW41 ND MW-16 — MW-1 NO MWfi NO MW-7 NO MW-11 -- MW-12 - MW-13 - MW-20 - MW-21 - MW-22 - MW-23 - MW-23A - MW-24 - MW-24R - MW-25 - MW-26 - MW-27 - MW-28 - MW-28R - Carbon disulfide ug/L 10/01/93 -- - -- - - NC21- = 700 ug/L ug/L 07/01/94 -- - -- ND -- ND ND ND -- - - - - - - - - - - - - - - - No EPA MCL ug/L 10/01/94 -- - -- NO -- NO NO ND -- - -- - - - - - - - - - - - - - - ug/L 01/01/95 -- - -- NO -- ND ND ND — — -- — — — — — — — — — — — — — — ug/L 05/01/95 -- - -- ND -- ND ND ND — — -- — — — — — — — — — — — — — — ug/L 10/01/95 -- - -- NO -- ND 170 ND — — -- — — — — — — — — — — — — — — ug/L 04/01/96 -- - -- NO -- ND ND ND — — -- — — — — — — — — — — — — — — ug/L 10/01/96 -- - -- NO -- ND ND ND — — -- — — — — — — — — — — — — — — ug/L 04/01/97 -- - -- ND -- 8.1 ND ND — — -- — — — — — — — — — — — — — — ug/L 10/01/97 -- - -- NO ND ND ND ND ND ND ND — — — — — — — — — — — — — — ug/L 04/01/98 -- - -- ND ND ND ND ND ND ND ND — — — — — — — — — — — — — — ug/L 10/01/98 -- - -- NO ND ND ND ND ND ND ND — — — — — — — — — — — — — — ug/L 04/01/99 -- - -- ND ND ND 27 ND ND ND ND — — — — — — — — — — — — — — ug/L 09/01/99 -- - -- NO ND ND 23 ND ND ND ND — — — — — — — — — — — — — — ug/L 05/01/00 -- - -- ND ND ND ND ND ND ND ND — — — — — — — — — — — — — — ug/L 09/01/00 -- - -- NO ND ND 21 ND ND ND ND — — — — — — — — — — — — — — ug/L 04/01/01 -- - -- ND ND ND ND ND ND ND ND — — — — — — — — — — — — — — ug/L 10/01/01 -- - -- NO ND ND ND ND ND ND ND — — — — — — — — — — — — — — ug/L 04/01/02 -- - -- ND ND ND ND ND ND ND ND — — — — — — — — — — — — — — ug/L 11/01/02 -- - -- NO ND ND ND ND ND ND ND — — — — — — — — — — — — — — ug/L 05/01/03 -- - -- ND ND ND ND ND ND ND ND — — — — — — — — — — — — — — ug/L 10/01/03 -- - -- NO ND ND ND ND ND ND ND — — — — — — — — — — — — — — ug/L 05/01/04 -- - -- ND ND ND ND ND ND ND ND — — — — — — — — — — — — — — ug/L 11/01/04 -- - -- NO ND ND ND ND ND ND ND — — — — — — — — — — — — — — ug/L 05/01/05 -- - -- ND ND ND ND ND ND ND ND — — — — — — — — — — — — — — ug/L 11/04/O5 -- - -- - -- - - - - - -- ND ND ND ND ND ND — — — — — — — — ug/L 12/12/05 -- - -- - -- - - - - - -- ND ND ND ND ND ND — — — — — — — — ug/L 12/13/O5 -- - -- - -- - - - - - -- ND ND ND ND ND ND — — — — — — — — ug/L 12122/O5 -- - -- - -- - - - - - -- ND ND ND ND ND ND — — — — — — — — ug/L 12/30/05 -- — 20 NO ND ND ND ND ND NO ND ND ND ND ND ND ND -- -- -- -- -- - -- ND ug/L 09/26/06 -- — 100 ND ND ND ND ND ND ND ND ND ND ND ND ND ND -- -- -- -- -- - -- ND ug/L 01/31/07 -- — 100 ND ND ND ND ND ND NO ND NO NO ND ND ND ND -- -- -- -- -- - -- ND ug/L 07/12/07 -- — 100 ND ND ND ND ND ND ND ND ND ND ND ND ND Dry -- -- -- -- -- — ND ND ug/L 01/17/08 -- — 100 ND ND ND ND ND NO NO ND NO NO ND ND ND Dry -- -- -- -- -- — ND ND ug/L 07/30/08 -- — 100 ND ND ND ND ND NO NO ND NO NO ND ND ND Dry -- -- -- -- -- — ND ND ug/L 01/21/09 -- — 100 ND ND ND ND ND NO NO ND NO NO ND ND ND Dry -- -- -- -- -- — ND ND ug/L 07/14/09 -- — 100 ND ND ND ND ND ND ND ND ND ND ND ND ND Dry -- -- -- -- -- — ND ND ug/L 01/07/10 -- — 100 ND ND ND ND ND NO NO ND NO NO ND ND ND Dry -- -- -- -- -- — ND ND ug/L 07/20/10 -- — 100 ND ND ND ND ND ND ND ND ND ND ND ND ND Dry -- -- -- -- -- — ND ND ug/L 01/31/11 -- — 100 ND ND ND ND ND NO NO ND NO NO ND ND ND Dry -- -- -- -- -- — ND ND ug/L 07/18/11 -- — 100 ND ND ND ND ND ND ND ND ND ND ND ND ND -- ND -- -- -- -- -- ND ND ug/L 01/24/12 -- — 100 ND ND ND ND ND NO NO ND NO NO ND ND ND -- ND -- -- -- -- -- ND ND ug/L 07/17/12 -- — 100 ND ND ND ND ND ND ND ND ND ND ND ND ND -- ND -- -- -- -- -- ND ND ug/L 01/22/13 -- — 100 ND ND ND — ND ND NO ND Dry NO NO NO NO — ND ND NO ND ND -- ND ND ug/L 07/15/13 -- — 100 ND ND ND — ND ND ND ND ND — — ND ND — ND ND ND ND ND — ND ND ug/L 01/27/14 -- — 100 NO ND ND — ND ND NO ND Dry — — NO NO — ND ND NO ND NO -- ND ND ug/L 07/15/14 -- — 100 ND ND ND — ND ND ND ND ND — — ND ND — ND ND ND ND ND -- ND ND ug/L 01/20/15 1.5 — 100 ND ND ND — ND ND NO ND ND — — NO NO — ND — -- — -- — — ND ug/L 07/23/15 1.5 — 100 ND ND ND — ND ND ND ND Dry — — ND ND — ND ND ND ND ND -- ND ND ug/L 01/12/16 1.5 — 100 ND ND ND — ND ND NO ND ND — — NO ND — ND ND ND ND NO -- ND ND ug/L 08/01/16 1.5 — 100 ND ND ND ND ND ND ND ND ND — — ND ND — ND ND ND ND ND -- ND ND ug/L 01/18/17 1.5 — 100 ND ND ND — ND ND ND ND ND — — NO ND — ND NO ND ND ND -- ND ND ug/L 07/24/17 1.5 — 100 NO ND ND — ND ND ND ND ND — — NO NO — NO NO NO ND — ND Dry ND ug/L 11/01/17 1.5 — 100 — -- — — — — — -- — — — — — — — -- -- — — ND Dry ND ug/L 02/20/18 1.5 — 100 NO ND ND — ND ND ND ND ND — — NO NO — NO NO NO ND — ND Dry ND ug/L 08/08/18 1.5 5.0 -- ND NO ND — ND ND ND ND ND — — ND ND — ND ND ND ND -- ND Dry ND ug/L 01/15/19 1.5 5.0 -- NO NO ND — ND ND ND ND ND — — NO NO — NO ND ND ND -- ND Dry ND ug/L 08/14/19 1.5 5.0 -- ND NO ND — ND ND ND ND ND — — ND ND — ND ND ND ND -- ND ND ND ug/L 01/13/20 1.5 5.0 -- NO NO ND — ND ND ND ND ND — — ND NO — NO ND NO ND -- NO Dry ND u /L 08/11/20 1.5 5.0 ND ND ND ND ND ND ND ND ND ND ND ND NO ND ND ND ND k> GOLDER Page i6 of 20 November 2020 Project No. 20140083 Table 4 Summary of Detected Constituents in Groundwater for the Municipal Solid Waste Landfill Rowan County Landfill (Active MSW and Closed C&D Facilities) Permit 80-03 Detected Monitoring Constituents/Analytes Units Sample Date MDL MRL SWS Reporting Limit Upgradient MSW Wells Sidegradient and Downgradient MSW Wells French Drain Blanks MW49 ND MW-16 -- MW-1 ND MWfi ND MW-7 ND MW-11 -- MW-12 - MW-13 - MW-20 - MW-21 - MW-22 - MW-23 - MW-23A - MW-24 - MW-24R - MW-25 - MW-26 - MW-27 - MW-28 - MW-28R - Tetrachloroethene ug/L 10/01/93 -- - -- - - NC2L=0.7 ug/L ug/L 07/01/94 -- - -- ND -- ND ND ND — — -- — — — — — — — — — — — — — — EPA MCL = 5 ug/L ug/L 10/01/94 -- - -- NO -- ND ND ND — — -- — — — — — — — — — — — — — — ug/L 01/01/95 -- - -- 7 -- NO 5 NO — — -- — — — — — — — — — — — — — — ug/L 05/01/95 -- - -- NO -- ND ND ND — — -- — — — — — — — — — — — — — — ug/L 10/01/95 -- - -- NO -- ND ND ND — — -- — — — — — — — — — — — — — — ug/L 04/01/96 -- - -- NO -- ND ND ND — — -- — — — — — — — — — — — — — — ug/L 10/01/96 -- - -- NO -- ND ND ND — — -- — — — — — — — — — — — — — — ug/L 04/01/97 -- - -- NO -- ND ND ND — — -- — — — — — — — — — — — — — — ug/L 10/01/97 -- - -- NO ND ND ND ND ND ND ND — — — — — — — — — — — — — — ug/L 04/01/98 -- - -- NO ND ND ND ND ND ND ND — — — — — — — — — — — — — — ug/L 10/01/98 -- - -- NO ND ND ND ND ND ND ND — — — — — — — — — — — — — — ug/L 04/01/99 -- - -- NO ND ND ND ND ND ND ND — — — — — — — — — — — — — — ug/L 09/01/99 -- - -- NO ND ND ND ND ND ND ND — — — — — — — — — — — — — — ug/L 05/01/00 -- - -- NO ND ND ND ND ND ND ND — — — — — — — — — — — — — — ug/L 09/01/00 -- - -- NO ND ND ND ND ND ND ND — — — — — — — — — — — — — — ug/L 04/01/01 -- - -- NO ND ND ND ND ND ND ND — — — — — — — — — — — — — — ug/L 10/01/01 -- - -- NO ND ND ND ND ND ND ND — — — — — — — — — — — — — — ug/L 04/01/02 -- - -- NO ND ND ND ND ND ND ND — — — — — — — — — — — — — — ug/L 11/01/02 -- - -- NO ND ND ND ND ND ND ND — — — — — — — — — — — — — — ug/L 05/01/03 -- - -- NO ND ND ND ND ND ND ND — — — — — — — — — — — — — — ug/L 10/01/03 -- - -- NO ND ND ND ND ND ND ND — — — — — — — — — — — — — — ug/L 05/01/04 -- - -- NO ND ND ND ND ND ND ND — — — — — — — — — — — — — — ug/L 11/01/04 -- - -- NO ND ND ND ND ND ND ND — — — — — — — — — — — — — — ug/L 05/01/05 -- - -- NO ND ND ND ND ND ND ND — — — — — — — — — — — — — — ug/L 11/04/05 -- - -- - -- - - - - - -- NO ND ND ND ND ND — — — — — — — — ug/L 12/12/05 -- - -- - -- - - - - - -- NO ND ND ND ND ND — — — — — — — — ug/L 12/13/O5 -- - -- - -- - - - - - -- NO ND ND ND ND ND — — — — — — — — ug/L 12/22/O5 -- - -- - -- - - - - - -- NO ND ND ND ND ND — — — — — — — — ug/L 12/30/05 -- — 5 NO ND ND ND ND ND ND ND NO NO ND ND ND ND — — — — — — -- ND ug/L 09/26/06 -- — 5 NO ND ND ND ND ND NO ND NO NO ND ND ND ND — — — — — — -- 8.4 ug/L 01/31/07 -- — 3 NO ND ND ND ND ND ND ND NO NO ND ND ND ND — — — — — — -- ND ug/L 07/12/07 -- — 1 NO ND ND ND ND ND ND ND NO NO ND ND ND Dry — — — — — — ND ND ug/L 01/17/08 -- — 1 NO ND ND ND ND ND NO ND NO NO ND ND ND Dry — — — — — — ND ND ug/L 07/30/08 -- — 1 NO ND ND ND ND ND NO ND NO NO ND ND NO Dry — — — — — — ND ND ug/L 01/21/09 -- — 1 NO ND ND ND ND ND NO ND NO NO ND NO ND Dry — — — — — — ND ND ug/L 07/14/09 -- — 1 NO ND ND ND ND ND NO ND NO NO ND NO ND Dry — — — — — — ND ND ug/L 01/07/10 -- — 1 NO ND ND ND ND ND NO ND NO ND ND NO ND Dry — — — — — — ND ND ug/L 07/20/10 -- — 1 NO ND ND ND ND ND NO ND NO NO ND NO ND Dry — — — — — — ND ND ug/L 01/31/11 -- — 1 NO ND ND ND ND ND NO ND NO NO ND ND ND Dry — — — — — — ND ND ug/L 07/18/11 -- — 1 NO ND ND ND ND ND NO ND NO NO ND ND ND — ND -- -- -- -- — ND ND ug/L 01/24/12 -- — 1 NO ND ND ND ND ND NO ND NO NO ND ND ND — ND -- -- -- -- — ND ND ug/L 07/17/12 -- — 1 NO ND ND ND ND ND ND ND NO NO ND ND ND — ND -- -- -- -- — ND ND ug/L 01/22/13 -- — 1 NO ND ND — ND ND ND ND Dry NO ND NO NO — ND ND ND ND 0.7 1 — ND ND ug/L 07/15/13 -- — 1 NO ND ND — ND ND ND ND NO — — NO NO — NO ND ND ND 3.3 — NO NO ug/L 01/27/14 -- — 1 NO ND ND — ND ND ND ND Dry — — NO NO — NO ND ND ND 2.8 — NO NO ug/L 07/15/14 -- — 1 ND ND ND — ND ND ND ND NO — — NO NO — ND ND ND ND 4 — NO NO ug/L 01/20/15 0.17 — 1 NO NO ND — NO NO NO ND NO — — NO NO -- ND — — — — — — ND ug/L 07/23/15 0.17 — 1 NO NO ND — NO NO NO ND Dry — — NO NO -- ND ND ND ND 2.2 — NO NO ug/L 01/12/16 0.17 — 1 NO NO ND — NO NO NO ND NO — — NO ND — ND ND ND ND 2.4 — NO NO ug/L 08/01/16 0.17 — 1 NO NO ND ND NO NO NO ND NO — — ND ND — ND ND ND ND 2.8 — NO NO ug/L 01/18/17 0.17 — 1 NO NO ND — NO NO NO ND NO — — NO ND — ND ND NO ND 1.8 — NO NO ug/L 07/24/17 0.17 — 1 NO ND NO — NO NO NO NO NO — — NO NO — NO NO ND ND — ND Dry ND ug/L 11/01/17 0.17 — 1 — -- — — — — — -- — — — — — — — -- -- — — NO Dry NO ug/L 02/20/18 0.17 — 1 NO ND NO — NO NO NO NO NO — — NO NO — NO ND ND ND — ND Dry ND ug/L 08/08/18 0.17 1.0 -- NO NO NO — NO NO ND NO NO — — ND ND — ND ND ND ND -- ND Dry ND ug/L 01/15/19 0.17 1.0 -- NO NO NO — NO NO ND NO ND — — ND ND — ND ND ND ND -- ND Dry ND ug/L 08/14/19 0.17 1.0 -- NO NO NO — NO NO ND NO ND — — ND ND — ND ND ND ND -- ND NO ND ug/L 01/13/20 0.17 1.0 -- NO NO NO — NO NO ND NO ND — — ND ND — ND ND ND ND -- ND Dry ND u /L 08/11/20 0.17 1.0 NO NO NO 0.54 1 NO ND NO ND ND ND ND ND ND ND ND NO ND k> GOLDER Page 1 ] of 20 November 2020 Project No. 20140083 Table 4 Summary of Detected Constituents in Groundwater for the Municipal Solid Waste Landfill Rowan County Landfill (Active MSW and Closed C&D Facilities) Permit 80-03 Detected Monitoring Constituents/Analytes Units Sample Date MDL MRL SWS Reporting Limit Upgradient MSW Wells Sidegradient and Downgradient MSW Wells French Drain Blanks MW49 ND MW-16 -- MW-1 ND MWfi ND MW-7 ND MW-it -- MW-12 - MW-13 - MW-20 - MW-21 - MW-22 - MW-23 - MW-23A - MW-24 - MW-24R - MW-25 - MW-26 - MW-27 - MW-28 - MW-28R - Toluene ug/L 10/01/93 -- - -- - - NC21- = 600 ug/L ug/L 07/01/94 -- - -- ND -- ND ND ND -- - - - - - - - - - - - - - - - - EPA MCL = 1000 ug/L ug/L 10/01/94 -- - -- ND -- ND ND ND -- - - - - - - - - - - - - - - - - ug/L 01/01/95 -- - -- NO -- ND 10 ND — — -- — — — — — — — — — — — — — — ug/L 05/01/95 -- - -- NO -- ND ND ND — — -- — — — — — — — — — — — — — — ug/L 10/01/95 -- - -- NO -- ND ND ND — — -- — — — — — — — — — — — — — — ug/L 04/01/96 -- - -- NO -- ND ND ND — — -- — — — — — — — — — — — — — — ug/L 10/01/96 -- - -- NO -- ND ND ND — — -- — — — — — — — — — — — — — — ug/L 04/01/97 -- - -- NO -- ND ND ND — — -- — — — — — — — — — — — — — — ug/L 10/01/97 -- - -- NO ND ND ND ND ND ND ND — — — — — — — — — — — — — — ug/L 04/01/98 -- - -- NO ND ND ND ND ND ND ND — — — — — — — — — — — — — — ug/L 10/01/98 -- - -- NO ND ND ND ND ND ND ND — — — — — — — — — — — — — — ug/L 04/01/99 -- - -- NO ND ND ND ND ND ND ND — — — — — — — — — — — — — — ug/L 09/01/99 -- - -- NO ND ND ND ND ND ND ND — — — — — — — — — — — — — — ug/L 05/01/00 -- - -- NO ND ND ND ND ND ND ND — — — — — — — — — — — — — — ug/L 09/01/00 -- - -- NO ND ND ND ND ND ND ND — — — — — — — — — — — — — — ug/L 04/01/01 -- - -- NO ND ND ND ND ND ND ND — — — — — — — — — — — — — — ug/L 10/01/01 -- - -- NO ND ND ND ND ND ND ND — — — — — — — — — — — — — — ug/L 04/01/02 -- - -- NO ND ND ND ND ND ND ND — — — — — — — — — — — — — — ug/L 11/01/02 -- - -- NO ND ND ND ND ND ND ND — — — — — — — — — — — — — — ug/L 05/01/03 -- - -- NO ND ND ND ND ND ND ND — — — — — — — — — — — — — — ug/L 10/01/03 -- - -- NO ND ND ND ND ND ND ND — — — — — — — — — — — — — — ug/L 05/01/04 -- - -- NO ND ND ND ND ND ND ND — — — — — — — — — — — — — — ug/L 11/01/04 -- - -- NO ND ND ND ND ND ND ND — — — — — — — — — — — — — — ug/L 05/01/05 -- - -- NO ND ND ND ND ND ND ND — — — — — — — — — — — — — — ug/L 11/04/05 -- - -- - -- - - - - - -- NO ND ND ND ND ND — — — — — — — ND ug/L 12/12/05 -- - -- - -- - - - - - -- NO ND ND ND ND ND — — — — — — — ND ug/L 12/13/O5 -- - -- - -- - - - - - -- NO ND ND ND ND ND — — — — — — — ND ug/L 12/22/O5 -- - -- - -- - - - - - -- NO ND ND ND ND ND — — — — — — — ND ug/L 12/30/05 -- — 5 NO ND ND ND ND ND ND ND NO NO ND ND ND ND — — — — — — — ND ug/L 09/26/06 -- — 5 NO ND ND ND ND ND NO ND NO NO ND ND ND ND — — — — — — -- ND ug/L 01/31/07 -- — 5 NO ND ND ND ND ND ND ND NO NO ND ND ND ND — — — — — — -- ND ug/L 07/12/07 -- — 1 NO ND ND ND ND ND ND ND NO NO ND ND ND Dry — — — — — — ND 0.48 J ug/L 01/17/08 -- — 1 NO ND ND ND ND ND NO ND NO NO ND ND ND Dry — — — — — — ND ND ug/L 07/30/08 -- — 1 NO ND ND ND ND ND NO ND NO NO ND ND NO Dry — — — — — — ND ND ug/L 01/21/09 -- — 1 NO ND ND ND ND ND NO ND NO NO ND NO NO Dry — — — — — — ND ND ug/L 07/14/09 -- — 1 NO ND ND ND ND ND NO ND NO NO ND NO NO — — — — — — ND ND ug/L 01/07/10 -- — 1 NO ND ND ND ND ND NO ND NO ND ND NO NO Dry — — — — — — ND ND ug/L 07/20/10 -- — 1 NO ND ND ND ND ND NO ND NO NO ND NO NO Dry — — — — — — ND ND ug/L 01/31/11 -- — 1 NO ND ND ND ND ND NO ND NO NO ND ND ND Dry — — — — — — ND ND ug/L 07/18/11 -- — 1 NO ND ND ND ND ND NO ND NO NO ND ND ND — ND -- -- -- -- -- ND ND ug/L 01/24/12 -- — 1 NO ND ND ND ND ND NO ND NO NO ND ND ND — ND -- -- -- -- -- ND ND ug/L 07/17/12 -- — 1 NO ND ND ND ND ND ND ND NO NO ND ND ND — ND -- -- -- -- -- ND ND ug/L 01/22/13 -- — 1 NO ND ND — ND ND ND ND Dry NO ND NO NO — ND ND ND ND ND -- ND ND ug/L 07/15/13 -- — 1 NO ND ND — ND ND ND ND NO — — NO NO — NO ND ND ND ND -- ND ND ug/L 01/27/14 -- — 1 NO ND ND — ND ND ND ND Dry — — NO NO — NO NO ND ND ND -- ND ND ug/L 07/15/14 -- — 1 NO ND ND — ND ND ND ND NO — — NO NO — NO ND ND ND ND -- ND ND ug/L 01/20/15 0.14 — 1 NO ND NO — ND ND NO ND NO — — NO NO — ND — — — — — — ND ug/L 07/23/15 0.14 — 1 NO ND NO — ND ND NO ND Dry — — NO NO — NO ND ND ND ND -- ND ND ug/L 01/12/16 0.14 — 1 NO ND NO — ND ND NO ND NO — — NO NO — ND ND ND ND ND -- ND ND ug/L 08/01/16 0.14 — 1 NO ND NO NO ND ND NO ND NO — — NO ND — ND ND ND ND ND -- ND ND ug/L 01/18/17 0.14 — 1 NO ND NO — ND NO NO ND NO — — NO NO — ND ND ND ND ND -- ND ND ug/L 07/24/17 0.14 — 1 NO ND NO — NO NO NO NO NO — — NO NO — NO NO ND NO — ND Dry ND ug/L 11/01/17 0.14 — 1 — -- — — — — — -- — — — — — — — -- -- — — NO Dry NO ug/L 02/20/18 0.14 — 1 NO ND NO — NO NO NO NO NO — — NO NO — NO ND ND NO — ND Dry ND ug/L 08/08/18 0.14 1.0 -- NO ND NO — NO NO NO NO ND — — ND NO — ND ND ND ND -- ND Dry ND ug/L 01/15/19 0.14 1.0 -- NO ND NO — NO NO NO NO ND — — ND ND — ND ND ND ND -- ND Dry ND ug/L O8114/19 0.14 1.0 -- NO ND NO — NO NO NO NO ND — — ND ND — ND ND ND ND -- ND NO ND ug/L 01/13/20 0.14 1.0 -- NO ND NO — NO NO NO NO ND — — ND ND — ND ND ND ND -- ND Dry ND u /L 08/11/20 0.14 1.0 NO ND NO NO NO NO NO ND ND ND ND ND ND ND ND NO ND k> GOLDER Page i6 of 20 November 2020 Project No. 20140083 Table 4 Summary of Detected Constituents in Groundwater for the Municipal Solid Waste Landfill Rowan County Landfill (Active MSW and Closed C&D Facilities) Permit 80-03 Upgradient MSW Wells Sidegradient and Downgradient MSW Wells Detected Monitoring Constituents/Analytes Units Sample Date MDL MRL SWS Reporting French Drain Blanks MW49 ND MW-16 NO MW-1 ND MWfi ND MW-7 ND MW-11 ND MW-12 ND MW-13 NO MW-20 ND MW-21 ND MW-22 ND MW-23 ND MW-23A ND MW-24 ND MW-24R -- MW-25 - MW-26 - MW-27 - MW-28 - MW-28R - Limit Tdchloro0uoromethane ug/L 01/31/07 -- - 5 -- ND NC 21 =2000 ug/L ug/L 07/12/07 -- - 1 ND NO ND ND ND ND NO NO NO ND ND ND ND Dry -- - - -- - - ND ND No EPA MCL ug/L 01/17/08 -- - 1 ND ND ND ND ND ND ND NO NO NO NO ND ND Dry -- - - -- -- -- ND ND ug/L 07/30/08 -- - 1 NO ND ND ND ND ND ND NO NO NO NO NO NO - - - - - - - ND ND ug/L 01/21/09 -- - 1 NO ND ND ND ND ND ND NO ND NO NO NO NO Dry - - - - - - ND ND ug/L 07/14/09 -- - 1 NO ND ND ND ND ND ND NO ND NO NO NO NO - - - - - - ND ND ug/L 01/07/10 -- - 1 NO ND ND ND ND ND ND NO ND NO NO NO ND Dry - - - - - - ND ND ug/L 07/20/10 -- - 1 NO ND ND ND ND ND ND NO ND NO NO NO ND Dry - - - - - - ND ND ug/L 01/31/11 -- - 1 NO ND ND ND ND ND ND NO ND NO NO NO ND Dry - - - - - - ND ND ug/L 07/18/11 -- - 1 NO ND ND ND ND ND ND NO ND NO NO NO ND ND - - - - - - ND ND ug/L 01/24/12 -- - 1 NO ND ND ND ND ND ND NO ND NO NO NO ND - ND - - - - - ND ND ug/L 07/17/12 -- - 1 NO ND ND ND ND ND ND NO ND NO NO NO ND - ND - -- - - - NO ND ug/L 01/22/13 -- - 1 NO ND ND - ND ND ND NO Dry NO NO NO NO - ND ND ND ND 0.99 1 - NO ND ug/L 07/15/13 -- - 1 NO ND ND - ND ND ND NO ND - - NO NO - NO ND ND ND 1.1 - NO ND ug/L 01/27/14 -- - 1 NO ND ND - ND ND ND NO Dry - - NO NO - NO NO ND ND 0.87 1 -- NO ND ug/L 07/15/14 -- - 1 NO ND ND - ND ND ND NO ND - - NO NO - NO ND ND ND 1.2 -- NO ND ug/L 01/20/15 0.24 - 1 ND ND ND - ND ND ND NO ND - - NO NO - ND - -- - - - - ND ug/L 07/23/15 0.24 - 1 ND ND ND - ND ND ND NO Dry - - NO NO - NO ND NO ND 0.99 1 -- NO ND ug/L 01/12/16 0.24 - 1 ND ND ND - ND ND ND NO ND - - NO NO - ND ND NO ND 1.1 -- NO ND ug/L 08/01/16 0.24 - 1 ND ND ND ND ND ND ND NO NO - - NO NO - ND ND NO ND 0.66 1 -- ND ND ug/L 01/18/17 0.24 - 1 ND ND ND - ND ND ND NO NO - - NO NO - ND ND NO ND 3.1 -- ND ND ug/L 07/24/17 0.24 - 1 NO ND NO - NO NO NO NO NO - - NO NO - NO NO ND NO - ND Dry ND ug/L 11/01/17 0.24 - 1 - -- - - - - - -- - - - - - - - - -- - - NO Dry NO ug/L 02/20/18 0.24 - 1 NO NO NO - NO NO NO NO NO - - NO NO - NO ND ND NO - ND Dry ND ug/L 08/08/18 0.24 1.0 -- NO NO NO - NO NO NO ND NO - - NO NO - ND ND ND ND -- ND Dry ND ug/L 01/15/19 0.24 1.0 -- NO ND NO - NO NO NO ND NO - - NO NO - ND ND ND ND -- ND Dry ND ug/L 08/14/19 0.24 1.0 -- NO ND NO - NO NO NO ND NO - - NO NO - ND ND ND ND -- ND NO ND ug/L 01/13/20 0.24 1.0 -- NO NO NO - NO NO NO ND NO - - NO NO - ND ND ND ND -- ND Dry ND u /L 08/11/20 0.24 1.0 NO ND NO NO NO NO ND NO NO NO ND ND ND ND ND NO ND Xylenes(total) ug/L 10/01/93 -- - -- ND -- ND ND ND - - -- - - - - - - - - -- - - - - - NC2L=500 ug/L ug/L 07/01/94 -- - -- ND -- ND ND ND - - -- - - - - - - - - -- - - - - - EPA MCL = 10000 ug/L ug/L 10/01/94 -- - -- ND -- ND ND ND - - -- - - - - - - - - -- -- - - - - ug/L 01/01/95 -- - -- 13 -- ND 32 ND - - -- - - - - - - - - -- -- - - - - ug/L 05/01/95 -- - -- NO -- ND ND ND - - -- - - - - - - - - -- - - - - - ug/L 10/01/95 -- - -- NO -- ND ND ND - - -- - - - - - - - - -- - - - - - ug/L 04/01/96 -- - -- NO -- ND ND ND - - -- - - - - - - - - -- - - - - - ug/L 10/01/96 -- - -- NO -- ND ND ND - - -- - - - - - - - - -- - - - - - ug/L 04/01/97 -- - -- NO -- ND ND ND - - -- - - - - - - - - -- - - - - - ug/L 10/01/97 -- - -- NO ND ND ND ND ND ND NO - - - - - - - - -- - - - - - ug/L 04/01/98 -- - -- NO ND ND ND ND ND NO NO - - - - - - - - -- - - - - - ug/L 10/01/98 -- - -- NO ND ND ND ND ND NO NO - - - - - - - - -- - - - - - ug/L 04/01/99 -- - -- NO ND ND ND ND ND NO NO - - - - - - - - -- - - - - - ug/L 09/01/99 -- - -- NO ND ND ND ND ND NO NO - - - - - - - - -- - - - - - ug/L 05/01/00 -- - -- NO ND ND ND ND ND NO NO - - - - - - - - -- - - - - - ug/L 09/01/00 -- - -- NO ND ND ND ND ND NO NO - - - - - - - - -- - - - - - ug/L 04/01/01 -- - -- NO ND ND ND ND ND NO NO - - - - - - - - -- - - - - - ug/L 10/01/01 -- - -- NO ND ND ND ND ND NO NO - - - - - - - - - - - - - - ug/L 04/01/02 -- - -- NO ND ND ND ND ND NO NO - - - - - - - - - - - - - - ug/L 11/01/02 -- - -- NO ND ND ND ND ND NO NO - - - - - - - - - - - - - - ug/L 05/01/03 -- - -- NO ND ND ND ND ND NO NO - - - - - - - - - - - - - - ug/L 10/01/03 -- - -- NO ND ND ND ND ND NO NO - - - - - - - - - - - - - - ug/L 05/01/04 -- - -- NO ND ND ND ND ND NO NO - - - - - - - - - - - - - - ug/L 11/01/04 -- - -- NO ND ND ND ND ND NO ND - - - - - - - - - - - - - - ug/L 05/01/05 -- - -- NO ND ND ND ND ND NO ND - - -- - - - - - - - - - - - ug/L 11/04/05 -- - -- - -- - - - - - -- NO NO NO ND ND ND - - - - - - - - ug/L 12/12/05 -- - -- - -- - - - - - -- NO NO NO ND ND ND - - - - - - - - ug/L 12/13/05 -- - -- - -- - - - - - -- NO NO NO ND ND NO - - - - - - - - ug/L 12/22/05 -- - -- - -- - - - - - -- NO NO NO ND ND NO - - - - - - - - ug/L 12/30/05 -- - 5 NO ND ND ND ND ND NO ND NO NO NO ND ND ND -- -- -- -- -- - - ND ug/L 09/26/06 -- - 5 NO ND NO ND ND ND NO ND NO NO NO ND ND ND -- -- -- -- -- - - ND ug/L 01/31/07 -- - 5 NO ND NO ND ND ND NO ND NO NO NO ND NO ND -- -- -- -- -- - -- ND ug/L 07/12/07 -- - 4 NO ND NO ND ND ND NO ND NO NO NO ND NO Dry - - - - - - ND ND ug/L 01/17/08 -- - 5 NO ND NO ND ND ND NO ND NO NO NO ND NO Dry - - - - - - ND ND ug/L 07/30/08 -- - 5 NO ND NO ND ND ND NO ND NO NO NO ND NO Dry - - - - -- - ND ND ug/L 01/21/09 -- - 5 NO ND NO ND ND ND NO ND NO NO NO ND ND Dry - - - - -- - ND ND ug/L 07/14/09 -- - 5 NO ND NO ND ND ND NO ND NO ND NO ND ND Dry - - - - -- - ND ND ug/L 01/07/10 -- - 5 NO ND NO ND ND ND NO ND NO NO NO ND ND Dry - - - - -- - ND ND ug/L 07/20/10 -- - 5 NO ND NO ND ND ND NO ND NO ND NO ND ND Dry - - - - -- - ND ND ug/L 01/31/11 -- - 5 NO ND NO ND ND ND NO ND NO NO NO ND ND Dry - - - - -- - ND ND ug/L 07/18/11 -- - 5 NO ND NO ND ND ND NO ND NO NO NO ND ND - ND -- -- -- -- -- ND ND ug/L 01/24/12 -- - 5 NO ND NO ND ND ND NO ND NO NO NO ND ND - ND -- -- -- -- -- ND ND ug/L 07/17/12 -- - 5 NO ND NO ND ND ND NO ND NO NO NO ND ND - ND -- -- -- -- -- ND ND ug/L 01/22/13 -- - 5 NO ND NO - ND ND NO ND Dry NO NO NO NO - ND ND ND ND ND -- ND ND ug/L 07/15/13 -- - 5 NO ND NO - ND ND NO ND NO - -- NO NO - NO ND ND ND ND -- ND ND ug/L 01/27/14 -- - 5 NO ND NO - ND ND NO ND Dry - -- NO NO - NO ND ND ND ND -- ND ND ug/L 07/15/14 -- - 5 NO ND NO - ND ND NO ND NO - -- NO NO - NO ND ND ND ND -- ND ND ug/L 01/20/15 0.45 - 5 NO ND NO - ND ND NO ND NO - -- NO NO - ND - - - - - - ND ug/L 07/23/15 0.45 - 5 NO ND NO - ND ND NO ND Dry - -- NO NO - ND ND ND ND ND -- ND ND ug/L 01/12/16 0.45 - 5 NO ND NO - ND ND NO ND NO - - NO NO - ND ND ND ND ND -- ND ND ug/L 08/01/16 0.45 - $ NO ND NO NO NO NO NO ND ND - - NO ND - ND ND ND ND ND -- ND ND ug/L 01/18/17 0.45 - 5 NO ND NO - ND ND NO ND NO - - NO NO - ND ND ND ND ND -- ND ND ug/L 07/24/17 0.45 - $ NO ND NO - NO NO NO NO NO - - NO NO - NO NO ND NO - ND Dry ND ug/L 11/01/17 0.45 - $ - -- - - - - - -- - - - - - - - -- -- - - NO Dry NO ug/L 02/20/18 0.45 - $ NO ND NO - NO NO NO NO NO - - NO NO - NO ND ND NO - ND Dry ND ug/L O8108/18 0.45 3.0 -- NO ND NO - NO NO NO ND NO - - NO NO - ND ND ND ND -- ND Dry ND ug/L 01/15/19 0.45 3.0 -- NO ND NO - NO NO NO ND NO - - NO NO - ND ND ND ND -- ND Dry ND ug/L 08/14/19 0.45 3.0 -- NO ND NO - NO NO NO ND NO - - NO NO ND ND ND ND ND -- ND ND ND ug/L 01/13/20 0.45 3.0 -- NO ND NO - NO NO NO ND NO - - NO NO - ND ND ND ND -- ND Dry ND u /L 08/11/20 0.45 3.0 NO ND NO NO NO NO ND NO NO NO ND ND ND ND ND NO ND k> GOLDER Page 19 of 20 November 2020 Project No. 20140083 Table 4 Summary of Detected Constituents in Groundwater for the Municipal Solid Waste Landfill Rowan County Landfill (Active MSW and Closed C&D Facilities) Permit 80-03 Detected Monitoring Constituents/Analytes Units Sample Date MDL MRL SWS Reporting Limit Upgradient MSW Wells Sidegradient and Downgredient MSW Wells French Drain Blanks MWA MW-1B ND ND MW-1 MWfi MW-7 MW-11 MW-12 MW-13 MW-20 MW-21 MW-22 MW-23 MW-23A MW-24 MW-24R MW-25 MW-26 MW-27 MW-28 MW-28R ND — ND ND ND ND ND — — ND ND — ND ND ND ND ND — Sulfide mg/L 01/18/17 0.01 — 1 ND ND No NC 2L, No EPA MCL mg/L 07/24/17 0.01 — 1 ND ND 0.022 J — NO NO NO ND NO — — NO NO — ND ND ND ND — ND Dry ND (Verification) mg/L 08/24/17 0.01 — 1 — -- 0.025 J — — — — -- — — — — — — — — — — — — Dry NO m /L 11/01/17 0Al 1 NO D ND Notes: ug/L = micrograms per liter mg/L = milligrams per liter S.U. = Standard Units NTU = Nephelometric Turbidity Units NO = Not detected at the stated reporting limit pS/cm= microsiemens per centimeter mV = millivolts —= no data available or not established B= blank -qualified result J = Prior to the August 2018 event, J flags are estimated values below the SWS Reporting limit. Beginning with the August 2018 event, J Flags are estimated values between MDL and MRL. Blanks = field, trip and method blanks Shaded = Concentrations above the current NC 2L or Solid Waste Section Groundwater Protection Standards have been shaded. MW-3, MW-4, MW-5, MW-10, MW-14 and MW-15 are abandoned monitoring wells and data are not included on this table. SWS Reporting Limit = NCPQL prior to 2007 and NCSWSL starting in 01/31/07 MDL = Laboratory method detection limit MRL = Laboratory method reporting limit 1) Historical data prior to September 2006 provided by Rowan County. 2) Well MW-24 was replaced by MW-24R prior to the July 2011 sampling event. 3) MW-25, MW-26, MW-27, MW-27A, and MW-28 were installed prior to the January 2013 sampling event to monitor the Phase IV expansion. 4) MW-9 and MW-16 are designated as the new upgradient compliance monitoring wells per the approved revised 2013 groundwater monitoring plan. 5) Results in parentheses represent reanalyzed data. 6) MW-28 was replaced by MW-28R after the January 2017 sampling event. 7) The following dilutions were noted for the August 2020 event: Antimony and Thallium (2x) k> GOLDER Page 20 of 20 November 2020 Project No. 20140083 Table 5 Summary of Groundwater Field Parameters Rowan County Landfill (Active MSW and Closed C&D Facilities) Permit 80-03 Detected Monitodng Units Sample Date SINS Reporting Upgmdlent MSW Wells Sldegmdlent and Downgradlenl MSW Wells French Drain Consthuents/Analytes Limit MWB MW-16 MINA MW-6 MW-7 MINA MW-12 MW-13 MW-20 MW-21 MW-22 MW-23 MW-23A MW-24 MW-24R MW-25 MW-26 MW-27 MW-28 MW-28R pH S.U. 11104105 --- 551 6.00 5.13 5.40 9Al 5.48 -- - -- - -- - -- (field) S.U. 12/12105 - -- - -- - -- - -- -- 562 5.21 5.34 5.45 9.56 5.32 -- - -- - -- - -- S.U. 12/13/05 - -- - -- - -- - -- -- 5.65 5.42 5.60 5.45 9.56 5.55 -- - -- - -- - -- S.U. 12122105 - -- - -- - -- - -- -- 5.59 5.50 5.50 5.65 9A2 5.42 -- - -- - -- - -- S.U. 12/30/05 - 5.85 6.85 5.44 6.67 5.94 6.38 6.05 5.96 5.45 5.96 5.24 5.40 9.52 5.65 -- - -- - -- - -- S.U. 09/26/06 - 5.73 6.62 4.50 6.74 5.83 6.30 5.64 5.57 4.86 6.10 5.97 5.34 6.69 6.53 -- - -- - -- - -- S.U. 01/31/07 - 5.82 6.07 5.65 6.26 6.44 6.35 6.15 6.06 5.13 6.05 6.34 7.06 6.15 6.91 -- - -- - -- - -- S.U. 07/12107 - 6.15 6.27 6.54 6.26 6.24 5.78 6.03 5.56 5.30 5.58 6.05 5.46 5.63 Dry -- - -- - -- - 6.73 S.U. 01/17/08 - 6.11 6.04 5.71 6.68 6.68 7.29 6.51 6.40 5.81 6.05 6.20 6.17 6.63 Dry -- - -- - -- - 6.20 S.U. 07/30/08 - 5.88 6.15 5.32 7.24 5.94 7.07 6.51 6.13 5.62 5.88 5.73 6.44 6.45 Dry -- - -- - -- - 6.15 S.U. 01/21/09 - 5.66 6.85 4.91 6.18 5.31 5.62 5.95 5.52 5.00 5.25 5.34 6.81 6.86 Dry -- - -- - -- - 6.41 S.U. 07/14/09 - 6.50 6.55 5.22 6.42 6.46 5.68 4.96 5.49 4.98 5.70 4.81 5.48 6.82 Dry -- - -- - -- - 5.59 S.U. 01/07/10 - 6.07 6.33 5.46 7.11 6.40 6.13 6.33 6.01 5.20 6.35 6.04 6.05 6.16 Dry -- - -- - -- - 6.68 S.U. 07/20/10 - 6.50 6.78 5.34 7.61 5.78 6.91 5.74 5.74 5.05 6.36 5.97 5.59 6.86 Dry -- - -- - -- - 6.82 S.U. 01/31/11 - 5.44 5.69 4.59 6.98 5.35 5.34 5.25 5.37 4.33 6.61 4.86 5.36 6.57 Dry -- - -- - -- - 6.16 S.U. 07/18/11 - 5.27 5.72 4.52 6.60 4.86 5.37 5.12 5.13 3.83 6.61 4.33 5.26 6.38 - 5.10 - -- - -- - 6.18 S.U. 01/24/12 - 5.68 5.94 4.89 6.87 5.58 5.47 5.52 5.53 4.95 6.75 5.25 5.58 6.53 - 5.77 - -- - -- - 6.84 S.U. 07/17/12 - 5.54 6.08 4.73 6.43 5.25 5.22 5.18 5.23 4.74 6.43 5.10 5.59 6.59 - 5.19 - -- - -- - 5.89 S.U. 01/22/13 - 5.54 5.91 5.04 - 5.25 5.48 5.51 5.43 Dry 5.80 5.32 5.56 6.66 - 5.11 6.16 5.54 5.47 4.47 - 6.55 S.U. 07/15/13 - 4.76 5.48 4.01 - 4.35 4.22 4.67 4.55 3.17 - -- 3.65 5.19 - 4.45 4.65 4.08 4.86 4.11 - 4.94 S.U. 01/27/14 - 5.67 6.05 5.12 - 5.79 5.54 5.55 5.51 Dry - -- 5.66 6.58 - 5.66 6.11 5.31 5.88 4.38 - 6.56 S.U. 07/15/14 - 5.W 6.34 5.06 - 5.40 5.57 5.60 5.36 4.95 - -- 5.62 6.65 - 5.70 5.78 5.09 5.39 4.04 - 6.66 S.U. 01/20/15 - 5.44 5.58 4.60 - 6.50 5.70 6.02 5.98 4.46 - -- 6.20 7.13 - 4.76 - -- - -- - -- (Vedfication) S.U. 03/20/15 - -- - -- - -- - -- -- 4.74 - -- - -- - -- - -- - -- - -- S.U. 07/23/15 - 4.72 5.17 5.89 - 5.25 5.04 5.30 5.19 Dry - -- 4.26 5.85 - 4.33 5.35 4.69 5.24 3.30 - 6.20 S.U. 0l/12/16 - 5.29 5.62 5.01 - 5.43 5.53 5.55 5.37 5.40 - -- 5.50 6.52 - 5.35 5.81 5.20 5.53 4.09 - 5.92 S.U. 08/01/16 - 5.29 5.67 5.27 5.04 5.69 5.44 5.07 5.11 -- - -- 5.05 5.89 - 4.75 5.66 4.45 4.78 3.85 - 5.77 S.U. 01/17/17 - 5.33 5.86 6.24 - 5.07 5.20 5.02 5.08 4.66 - -- 5.02 5.86 - 5.08 5.54 4.87 5.00 3.88 - Dry S.U. 07/24/17 - 5.30 5.77 5.08 - 5.43 5.38 5.30 5.31 6.75 - -- 5.08 5.86 - 5.34 5.45 4.83 5.00 -- 5.20 Dry (Vedfication) S.U. 0a/25/17 - -- - 4.94 - -- - -- -- 4.75 - -- - -- - -- - 4.76 - -- - -- S.U. 11/01/17 - __ - __ - __ - __ __ __ - __ - __ - __ - __ - __ 5.23 -- S.U. 02/20/18 - 5.87 6.08 5.17 - 5.55 5.46 5.37 5.35 Dry - -- 5.58 6.38 - 5.43 6.12 5.51 5.78 -- 4.96 Dry S.U. 08/08/18 - 5.57 6.01 5.21 - 5.19 5.48 5.41 5.33 4.82 - -- 5.40 6.59 - 5.26 5.94 5.40 5.46 -- 4.89 Dry S.U. 01/15/19 - 5.W 6.11 5.W - 5.80 5.79 5.46 5.38 4.W - -- 5.56 6.42 - 5.54 6.06 5.42 5.79 -- 5.05 Dry S.U. 08/13/19 - 5.63 6.03 5.15 - 5.54 5.70 5.50 5.32 4.80 - -- 5.37 6.24 - 5.55 6.06 5.08 5.51 -- 4.91 6.58 S.U. 01/13/20 - 5.42 6.00 4.97 - 5.29 5.55 5.28 4.99 3.73 - -- 5.31 6.17 - 5.52 5.87 5.09 5.57 -- 4.63 Dry S.U. 08/10/20 5.42 5.84 5.06 5.41 5.33 5.19 5.21 4.35 5.31 6.11 5.03 5.94 4.79 5.22 4.60 5.51 Specific Conductivity pS/cm 11/04/05 - -- - -- - -- - -- -- 79 118 54 136 183 108 (field) PS/CM 12/12/05 - -- - -- - -- - -- -- 85 110 100 140 165 110 -- - -- - -- - -- p3/cm 12/13/05 - -- - -- - -- - -- -- 90 125 95 130 145 110 -- - -- - -- - -- pS/cm 12/22/05 - -- - -- - -- - -- -- 75 130 110 140 140 100 -- - -- - -- - -- p3/cm 12/30/05 - 245 310 145 115 95 105 165 95 80 115 65 140 175 105 -- - -- - -- - -- pS/cm 09/26/06 - 185 188 90 94 70 82 119 103 44 81 36 87 156 58 -- - -- - -- - -- p3/cm 01/31/07 - 247 225 101 106 76 109 145 118 41 124 30 96 181 91 -- - -- - -- - -- PS/CM 07/12/07 - 183 177 80 88 64 76 119 99 38 91 25 82 154 Dry -- - -- - -- - 122 pS/cm 01/17/08 - 215 218 118 121 96 115 151 137 48 81 43 106 213 Dry -- - -- - -- - 160 PS/CM 07/30/08 - 211 212 ill 130 93 118 154 132 42 91 46 121 179 Dry -- - -- - -- - 165 PS/CM 01/21/09 - 195 222 83 107 166 174 103 86 42 66 43 87 140 Dry -- - -- - -- - 140 pS/cm 07/14/09 - 203 210 81 103 79 91 132 113 45 81 36 108 168 Dry -- - -- - -- - 144 PS/CM 01/07/10 - 197 205 78 96 51 109 137 99 43 77 34 99 154 Dry -- - -- - -- - 139 PS/CM 07/20/10 - 214 191 82 103 68 91 135 110 47 98 31 119 143 Dry -- - -- - -- - 143 pS/cm 01/31/11 - 190 185 83 95 73 104 135 106 46 82 31 131 152 Dry -- - -- - -- - 135 PS/CM 07/18/11 - 194 200 83 95 74 98 132 108 50 86 32 134 166 - 86 - -- - -- - 150 pS/cm 01/24/12 - 191 200 76 98 76 108 128 99 42 82 43 126 163 - 86 - -- - -- - 145 PS/CM 07/17/12 - 157 212 74 80 63 73 91 84 40 74 43 109 156 - 70 - -- - -- - 117 pS/cm 01/22/13 - 199 168 106 - 63 72 88 80 Dry 49 44 103 118 - 66 69 69 51 74 - 146 PS/CM 07/15/13 - 182 290 65 - 75 88 109 100 39 - -- 125 142 - 78 88 71 78 116 - 142 pS/cm 01/27/14 - 209 285 84 - 95 125 139 113 Dry - -- 148 170 - 98 114 94 100 146 - 163 PS/CM 07/15/14 - 209 293 114 - 86 104 121 127 67 - -- 153 158 - 92 97 86 77 139 - 157 pS/cm 01/20/15 - 169 196 88 - 81 85 109 101 70 - -- 139 128 - 77 - -- - -- - -- (Verification) PS/CM 03/20/15 - -- - -- - -- - -- -- 51 - -- - -- - -- - -- - -- - -- PS/CM 07/23/15 - 163 197 95 - 66 82 ill 94 Dry - -- 128 125 - 61 75 67 65 111 - 118 PS/CM 01/12/16 - 171 221 102 - 71 96 122 92 42 - -- 130 127 - 66 89 75 78 120 - 155 PS/CM 08/01/16 - 182 248 108 106 77 95 127 110 -- - -- 135 133 - 67 90 79 81 131 - 131 PS/CM 01/17/17 - 162 205 112 - 69 83 117 99 56 - -- 131 112 - 57 86 72 77 ill - Dry PS/CM 07/24/17 - 180 238 94 - 71 81 108 99 60 - -- 148 118 - 58 98 82 102 -- 82 Dry (Vedfication) PS/CM 08/25/17 - -- - 94 - -- - -- -- 54 - -- - -- - -- - 79 - -- - -- pS/cm 11/01/17 - __ - __ - __ - __ __ __ - __ - __ - __ - __ - -- 55 PS/CM 02/20/18 - 178.0 246.0 74.0 - 84.2 94.2 132.6 108.3 Dry - -- 167.6 124.8 - 65.4 111.0 80.0 99.0 -- 59.0 Dry PS/CM 0a/Owl8 - 181.7 287.1 105.2 - 86.7 88.9 129.1 117.4 80.1 - -- 171.5 121.7 - 67.9 110.5 89.7 103.4 -- 62.0 Dry PS/CM 01/15/19 - 170.9 240.5 119.8 - 79.8 85.3 131.2 78.3 49.5 - -- 171.6 116.0 - 61.7 102.0 76.6 99.5 -- 57.0 Dry PS/CM Owl W19 - 194.4 209.8 98.1 - 73.3 76.3 116.6 102.4 35.6 - -- 163.4 116.5 - 58.5 90.1 71.8 103.2 -- 53.2 162.1 PS/CM 01/13/20 - 196.2 213.9 70.6 - 58.2 90.5 139..5 75.0 40.7 - -- 125.4 79.0 - 72.1 71.5 50.9 105.2 -- 37.2 Dry PS/CM 0a/l0/20 190.8 195.5 97.9 76.4 73 114.3 102.3 37.7 153.7 114.3 63.5 97.6 68.5 102.3 56.6 150.9 GOLDER Pe9e1o3 November 2020 Project No. 20140083 Table 5 Summary of Groundwater Field Parameters Rowan County Landfill (Active MSW and Closed C&D Facilities) Permit 80-03 D--d Monl[oring Units Sample Date SwS Reporting Upgradlent MSW Wells Sidegmdlent and D-gradlenl MSW Wells French Drain ConsthuentalAnalytes Limit MW41 MW-16 MW-1 MW-6 MW-7 MW-11 MW-12 MW-13 MW-20 MW-21 MW-22 MW-23 MW-23A MW-24 MW-24R MW-25 MW-26 MW-27 MW-28 MW-28R emperoture C 11104105 - -- - -- - -- - - -- 18.30 18.10 18.20 17.50 17.30 17.30 -- - -- - -- - -- (field) °C 12/12105 - -- - -- - -- - -- -- 18.40 18.00 18.00 18.20 17.80 18.20 -- - -- - -- - -- °C 12/13/05 - -- - -- - -- - -- -- 18.40 18.20 18.60 18.40 17.80 18.20 -- - -- - -- - -- °C 12/22105 - -- - -- - -- - -- -- 18.40 18.60 18.20 18.40 17.60 18.40 -- - -- - -- - -- °C 12/30/05 - 18.40 17.20 18.20 18.00 18.20 18.20 18.20 18.20 18.20 18.20 18.40 18.40 17.80 18.20 -- - -- - -- - -- °C 09/26/06 - 17.40 18.50 17.00 18.90 19.40 19.20 19.60 19.00 17.70 17.40 18.00 1T90 18.60 18.40 -- - -- - -- - -- °C 01/31/07 - 11.20 12.40 10.80 13.80 15.60 10.50 9.90 11.30 11.10 11.90 13.40 14.80 13.00 11.90 -- - -- - -- - -- °C 07/12107 - 18.44 18.85 17.92 18.75 19.57 18.05 19.70 17.64 18.48 18.87 18.40 19.72 19.89 Dry -- - -- - -- - 18.99 °C 01/17/08 - 12.81 11.06 11.77 12.39 14.68 11.84 10.47 11.62 12.09 11.26 12.97 12.56 14.17 Dry -- - -- - -- - 15.39 °C 07/30/08 - 18.82 18.61 18.48 20.09 19.37 19.43 20.50 18.58 19.86 17.39 18.25 19.98 20.15 Dry -- - -- - -- - 20.71 °C 01/21/09 - 13.24 11.98 13.26 15.56 13.96 13.09 11.73 13.55 14.42 14.03 14.86 15.92 17.69 Dry -- - -- - -- - 14.51 °C 07/14/09 - 17.34 17.39 16.38 17.25 17.74 17.02 17.63 15.23 17.81 17.20 17.02 17.23 18.45 Dry -- - -- - -- - 19.37 °C 01/07/10 - 14.02 14.11 14.16 15.20 14.26 11.47 11.02 14.05 14.45 14.20 13.41 13.35 14.69 Dry -- - -- - -- - 15.56 °C 07/20/10 - 19.97 20.93 17.51 18.95 19.71 19.40 20.01 17.97 19.40 18.71 20.30 20.10 19.01 Dry -- - -- - -- - 21.47 °C 01/31/11 - 13.09 11.89 12.99 13.74 14.63 11.81 10.88 12.55 12.87 13.17 13.17 12.78 13.04 Dry -- - -- - -- - 14.99 °C 07/18/11 - 20.02 20.96 18.45 20.41 17.66 18.27 16.96 17.70 19.93 18.97 19.47 19.31 19.57 - 20.80 - -- - -- - 20.14 °C 01/24/12 - 13.60 13.53 14.91 15.19 16.13 13.03 13.05 14.77 14.16 16.03 17.09 16.66 16.37 - 13.12 - -- - -- - 17.57 °C 07/17/12 - 17.74 22.12 19.32 20.10 20.69 16.76 17.20 17.49 19.65 20.53 21.02 19.60 22.85 - 19.97 - -- - -- - 20.18 °C 01/22/13 - 14.73 12.77 9.16 - 16.45 11.47 11.65 13.08 Dry 17.62 19.10 15.77 13.57 - 16.42 18.02 18.53 14.16 17.66 - 16.90 °C 07/15/13 - 19.08 20.03 18.69 - 19.18 17.76 17.34 16.03 17.94 - -- 20.42 19.29 - 20.29 19.65 19.18 17.79 20.18 - 19.75 °C 01/27/14 - 16.0 14.8 15.9 - 14.0 13.2 13.3 14.5 Dry - -- 16.7 16.6 - 16.5 14.3 13.9 10.3 13.5 - 16.3 °C 07/15/14 - 18.5 26.8 17.0 - 17.6 14.8 15.2 14.3 20.1 - -- 18.7 19.1 - 17.1 18.6 18.3 16.7 17.7 - 20.5 °C 01/20/15 - 15.1 14.9 15.3 - 14.9 12.8 13.1 13.9 16.5 - -- 15.0 14.7 - 15.9 - -- - -- - -- (Verification) °C 03/20/15 - -- - -- - -- - -- -- 13.6 - -- - -- - -- - -- - -- - -- °C 07/23115 - 18.7 19.2 20.9 - 17.6 17.1 18.0 16.2 Dry - -- 19.5 22.6 - 19.8 18.8 18.5 17.4 19.0 - 19.7 °C 0l/12/16 - 15.2 13.2 14.4 - 14.8 13.4 14.2 14.9 12.2 - -- 14.6 14.6 - 13.4 13.7 14.1 12.3 15.7 - 9.1 °C 08101/16 - 20.5 21.0 17.6 19.0 18.9 18.2 18.4 17.3 -- - -- 20.1 20.1 - 19.2 19.5 19.5 18.4 19.5 - 21.7 °C 01/17/17 - 15.7 15.1 17.2 - 16.5 15.3 14.8 15.6 14.8 - -- 16.7 16.6 - 17.3 15.6 16.8 14.5 17.3 - Dry °C 07/24/17 - 18.8 22.8 20.5 - 19.0 18.6 17.0 16.6 19.3 - -- 18.5 20.6 - 19.1 18.5 19.8 17.7 -- 19.0 Dry (Verification) °C 0a/25/17 - -- - 19.0 - -- - -- -- 21.6 - -- - -- - -- - 18.5 - -- - -- °C 11/01/17 - -- - -- - -- - -- -- -- - -- - -- - -- - -- - -- 16.9 -- °C 02/20/18 - 15.6 15.3 15.7 - 16.1 13.8 13.7 14.7 Dry - -- 17.7 19.0 - 16.7 17.0 17.3 13.8 -- 17.4 Dry °C 08108118 - 23.0 22.1 20.8 - 17.2 18.2 18.5 15.9 19.6 - -- 19.0 21.9 - 18.2 18.1 18.6 17.9 -- 18.6 Dry °C 0l/15/19 - 14.2 13.5 13.7 - 15.8 13.7 13.3 14.2 14.2 - -- 16.5 16.4 - 15.5 14.8 15.5 12.9 -- 17.1 Dry °C 08113119 - 22.5 22.6 22.7 - 17.8 20.1 17.2 17.4 19.7 - -- 20.6 22.0 - 19.7 18.5 19.0 18.4 -- 20.8 33.8 °C 01/13/20 - 16.2 15.0 15.9 - 16.0 15.1 14.4 15.2 15.7 - -- 17.0 16.6 - 16.0 16.0 16.4 14.5 -- 17.2 Dry °C 08110/20 21.8 22.6 21.4 20.5 18.7 17.3 19.0 20.1 20.1 21.3 20.4 18.5 19.3 18.3 20.0 23.2 Turbidity NTU 12/30/05 - -- - -- - -- - -- -- -- - -- - -- - -- - -- - -- - -- (field) NTU 09/26/06 - 81.1 42.3 69.7 52.1 162 75.2 39.8 85.7 74.2 579 82.5 74.5 63.1 708 -- - -- - -- - -- NTU 01/31/07 - 13.1 134 73 47.1 207 15.4 34.2 60.5 92.6 >1000 139 73 48 313 -- - -- - -- - -- NTU 07/12/07 - 0 0 42.9 0 0 0 0 0 0 889 0 0 0 Dry -- - -- - -- - 0.00 NTU 01/17/08 - 15.1 4.60 8.64 1.27 2.38 37.4 9.00 141 33.4 71.4 8.73 56.5 20.1 Dry -- - -- - -- - 1.59 NTU 07/30/08 - 27.2 4.62 8.58 35.0 41.8 24.0 13.4 31.3 14.2 430 15.7 104 2.88 Dry -- - -- - -- - 3.64 NTU 01/21/09 - 7.89 21 9.24 3.9 7.07 31.8 14.8 22.1 8.76 34.2 Us 54.4 3.8 Dry -- - -- - -- - 26.4 NTU 07/14/09 - 11.9 6.86 24.0 3.45 6.42 21.0 9.39 12.6 22.6 62.3 17.5 22.3 2.91 Dry -- - -- - -- - 1.26 NTU 01/07/10 - 8.33 18.9 3.40 4.14 7.43 0.21 14.5 22.7 14.6 32.7 110 59.2 27.2 Dry -- - -- - -- - 2.66 NTU 07/20/10 - 14.6 5.96 25.1 17.7 12.6 8.00 21.6 201 13.7 145 12.7 23.0 5.16 Dry -- - -- - -- - 9.82 NTU 01/31/11 - 0.93 0.58 3.82 1.09 4.12 45.7 58.1 10.7 9.65 18.3 8.64 7.52 91.3 Dry -- - -- - -- - 0.45 NTU 07/18111 - 0.62 0.40 9.83 2.98 4.44 4.61 8.78 2.36 10.4 14.7 1.78 1.48 30.8 - 9.12 - -- - -- - 1.72 NTU 01/24/12 - 1.40 1.04 1.13 1.45 4.61 6.67 67.1 8.52 83.8 37.3 3.04 1.47 123 - 24.7 - -- - -- - 5.00 NTU 07/17/12 - 5.68 3.49 7.17 4.40 13.4 6.25 48.1 8.65 77.5 36.9 5.37 6.75 215 - 64.4 - -- - -- - 10.0 NTU 01/22113 - 82.80 2.33 35.6 - 2.13 19.6 47.3 7.51 Dry 6.35 6.18 12.5 226 - 12.7 152.0 77.0 71.7 22.8 - 5.31 NTU 07/15/13 - 1.33 1.36 3.10 - 8.19 3.06 4.65 4.51 44.7 - -- 59.3 130 - 2.45 5.19 34.9 8.65 15.5 - 8.55 NTU 01/27/14 - 2.52 0.52 4.48 - 3.23 1.34 1.15 9.53 Dry - -- 4.82 93.1 - 1.69 1.98 13.8 16.4 22.1 - 2.98 NTU 07/15/14 - 1.42 1.28 7.60 - 1.36 2.92 83.7 5.26 4.26 - -- 4.60 64.7 - 2.80 1.17 4.00 5.11 20.5 - 5.59 NTU 01/20/15 - 2.29 0.71 5.13 - 1.25 0.46 4.7 5.10 26.8 - -- 6.04 81.3 - 4.42 - -- - -- - -- (Vedfication) NTU 03120/15 - -- - -- - -- - -- -- 15.7 - -- - -- - -- - -- - -- - -- NTU 07/23/15 - 2.70 0.91 1.93 - 1.76 7.59 10.2 5.64 Dry - -- 2.63 177 - 1.22 6.98 5.12 12.3 12.2 - 4.75 NTU 01/12/16 - 1.00 0.85 4.44 - 0.57 29.90 17.6 7.45 10.3 - -- 0.97 118 - 1.07 8.77 3.11 13.1 5.5 - 9.39 NTU 0a/0l/16 - 0.42 0.95 3.76 2.89 1.32 22.7 5.30 4.75 -- - -- 2.16 83.3 - 1.41 0.81 11.9 13.1 13.2 - 4.03 NTU 01/17/17 - 0.91 0.42 6.62 - 1.28 25.3 26.6 5.21 33.2 - -- 3.55 37.9 - 1.38 3.47 8.9 48.0 11.8 - Dry NTU 07/24/17 - 0.58 0.74 1.64 - 2.74 19.2 14.4 4.T7 4.69 - -- 3.96 19.6 - 1.53 2.81 1.88 9.87 -- 9.14 Dry (Verification) NTU 08125/17 - -- - 0.80 - -- - -- -- 34.8 - -- - -- - -- - 2.01 - -- - -- NTU 11/01/17 - -- - -- - -- - -- -- -- - -- - -- - -- - -- - -- 8.89 -- NTU 02/20/18 - 1.50 1.22 1.72 - 0.57 2.06 2.81 3.48 Dry - -- 0.56 27.6 - 0.63 8.01 5.75 14.8 -- 2.51 Dry NTU 0a/Owl8 - 1.53 1.61 7.64 - 1.31 9.67 20.2 7.67 2.04 - -- 1.65 9.66 - 0.89 6.70 3.59 120 -- 6.20 Dry NTU 01/15/19 - 0.41 1.42 9.99 2.01 5.68 9.59 7.64 8.83 - -- 1.65 9.92 - 1.27 1.66 2.78 117 -- 3.69 Dry NTU Owl W19 - 1.33 0.71 1.79 - 0.87 8.95 0.88 5.76 9.54 - -- 5.37 13.3 - 4.37 1.04 3.71 25.0 -- 1.94 6.01 NTU 01/13/20 - 0.75 0.48 4.24 - 1.52 19.3 0.63 9.52 6.80 - -- 1.50 15.9 - 2.61 1.26 3.88 170 -- 7.19 Dry NTU OW10/20 4.74 5.54 5.34 3.83 30.1 116 9.18 5.44 6.29 17.3 1.21 4.49 9.06 18.6 1.88 0.68 GOLDER Pe9e2o3 November 2020 Project No. 20140083 Table 5 Summary of Groundwater Field Parameters Rowan County Landfill (Active MSW and Closed C&D Facilities) Permit 80-03 Debcted Monitoring Units Sample Date SWs Reporting Upgredient MSW Wells Sidegmdlant and Downgmdlenl MSW Wells French Drain Constituents/Anelytes Limit MW4 MW-16 MW-1 MW4 MW-7 MW-11 MW-12 MW-13 MW-20 MW-21 MW-22 MW-23 MW-23A MW-24 MW-24R MW-25 MW-26 MW-27 MW-28 MW-28R Oxygen Reduction Potential mV 9126I06 - 202 180 219 136 202 139 19 200 218 176 198 225 129 174 -- - -- - -- - -- (field) mV 1131107 - 242 259 263 215 235 248 271 259 -- 226 243 193 225 241 -- - -- - -- - -- mV 01/31/11 - 212.9 200.4 272.8 258.5 245.4 259.9 269.5 261.7 292.1 263.4 239.8 200.7 158.9 Dry -- - -- - -- - -- mV 07/18/11 - 144.6 140.5 110 84.5 153.8 157.8 143.4 146.7 79.8 88.3 101.9 139.2 35.0 - 143.5 - -- - -- - 140.0 mV 01/24/12 - -68.0 -86.9 -78.7 -127.3 -76.1 -187.2 -179.9 -138.8 -65.3 -69.2 -63.0 -102.6 -133.3 - -180.4 - -- - -- - -69.4 mV 07/17/12 - 44.0 29.7 73.5 30.4 110.8 53.3 50.7 50.3 91.6 -9.1 168.5 35.8 -12.3 - 56.6 - -- - -- - 71.1 mV 01/22/13 - -- -15.6 -- - 188.6 -24.2 -34.3 -32.1 Dry 101.7 109.1 -30.2 -39.7 - 198.7 119.1 139.8 186.7 174.4 - -- mV 07/15/13 - 216.6 138.3 MA - 178.0 197.3 166.2 172.5 -- - -- 205.5 138.8 - 183.7 173.4 232.6 153.4 241.8 - -- mV 01/27/14 - 179A 173.7 185.3 - 194.9 217.2 220.4 230.2 Dry - -- 193.2 136.7 - 193.2 199.3 287.0 202.0 352.1 - 117.9 mV 07/15/14 - 251.0 165.6 115.1 - 261.2 270.5 262.6 293.6 330.3 - -- 253.3 159.7 - 210.9 190.3 295.6 250.1 441.8 - 190.8 mV 01/20/15 - 218.8 207.2 273A - 256.3 290.6 259.5 282.3 327.2 - -- 255.7 161.3 - 303.1 - -- - -- - -- (Verification) mV 03/20/15 - -- - -- - -- - -- -- 200.2 mV 07/23/15 - 232.9 245.4 -- - 290.0 289.8 235.9 271.5 Dry - -- 281.7 160.2 - 263.1 221.7 324.0 286.5 445.4 - 223.1 mV 01/12/16 - 336.4 327.3 264.6 - 384.5 374.5 358.4 388.4 -- - -- 383.2 343.3 - 372.1 329.4 389.7 392.1 438.1 - 96.1 mV 08/01/16 - 242.9 256.6 -- 173.6 281.0 253.8 286.2 296.4 -- - -- 562.3 268.9 - 267.4 150.2 278.6 439.4 - -- mV 01/17/17 - 279.1 280.2 -- - 314.6 333.7 316.8 240.8 -- - -- 254.3 215.0 - 266.0 227.3 292.5 332.7 435.4 - Dry mV 07/24/17 - 245.9 220.0 126.2 - 179.0 178.0 208.4 192.9 -- - -- 272.1 196.0 - 191.7 213.0 289.4 240.1 -- 236.9 Dry (Verification) mV 0a/25/17 - -- - 113.7 - -- - -- -- -- - -- - -- - -- - 305.4 - -- - -- mV 11/01/17 - -- - -- - -- - -- -- -- - -- - -- - -- - -- - -- 317.3 -- mV 02/20/18 - 194.5 196.5 258.3 - 425.5 445.9 450.9 457.5 Dry - -- 289.3 407A - 448.9 201.5 231.5 214.4 -- 466.8 Dry mV 08/08/18 - 186.8 192.6 181.9 - 232.7 242.7 246.0 287.0 -- - -- 220.9 197.3 - 237.8 226.2 258.2 249.4 -- 261.7 Dry mV 01/15/19 - 255.0 141.9 208.0 - 124.3 137.6 305.5 220.3 334.8 - -- 247.7 194.2 - 265.1 278.8 264.3 90.2 -- 312.5 Dry mV 08/13/19 - 358.3 287.5 368.7 - 260.4 299.1 286.3 373.0 326.5 - -- 214.9 390.4 - 271.4 215.2 294.3 386.9 -- 335.7 267.7 mV 01/13/20 - 282.1 246.0 260.1 - 189.3 354.4 357.2 358.5 346.8 - -- 310.2 184.7 - 297.4 191.3 291.1 321.3 -- 335.2 Dry mV 08/10/20 156.7 187.9 192 202.4 91.7 50.4 -29.3 304.1 509.4 190.1 82.6 151.7 280.9 50.9 81.3 Dissolved Oxygen (field) mg/L 01/31/11 - 6.21 8.43 1.05 8.71 7.30 7.26 3.46 6.19 8.78 8.84 8.60 6.46 3.18 Dry -- - -- - -- - -- mg/L 07/18/11 - 3.42 4.14 0.71 3.62 8.43 4.54 1.77 3.78 8.68 9.40 8.95 6.76 0.94 - 3.84 - -- - -- - 4.90 mg/L 01/24/12 - 8.05 9.18 2.14 8.32 9.02 3.55 2.84 7.09 12.93 10.65 9.66 8.19 2.81 - 6.81 - -- - -- - 12.23 mg/L 07/17/12 - 6.59 6.77 2.03 8.19 7.86 9.37 8.36 8.78 7.90 7.86 8.43 7.65 5.21 - 7.27 - -- - -- - 9.36 mg/L 01/22/13 - -- 6.35 -- - 6.92 6.25 2.42 5.76 Dry 8.48 7.52 6.36 3.95 - 6.65 7.51 8.68 7.05 7.85 - -- mg/L 07/15/13 - 5.39 6.54 2.99 - 6.99 7.56 5.87 6.67 -- - -- 6.92 4.92 - 6.42 7.97 8.39 6.11 7.29 - -- mg/L 01/27/14 - 4.79 5.59 2.11 - 6.77 5.70 2.08 5.03 Dry - -- 5.48 3.91 - 6.03 7.15 8.24 6.43 6.90 - 7.37 mg/L 07/15/14 - 5.24 5.14 0.30 - 6.87 6.78 3.09 4.07 5.48 - -- 3.89 3.89 - 5.35 7.38 8.08 6.04 7.60 - 6.59 mg/L 01/20/15 - 5.68 5.69 1.91 - 6.29 6.09 2.91 4.47 6.08 - -- 2.90 5.36 - 6.37 - -- - -- - -- (Verification) mg/L 03/20/15 - -- - -- - -- - -- -- 6.92 mg/L 07/23/15 - 4.17 5.49 -- - 6.10 6.10 4.10 4.24 Dry - -- 0.62 4.31 - 5.76 7.05 7.25 4.92 6.42 - 7.23 mg/L 01/12/16 - 5.09 7.01 1.27 - 6.55 5.01 2.05 4.94 -- - -- 1.66 6.00 - 7.04 7.47 8.24 5.33 7.15 - 2.52 mg/L 01/15/16 - 4A0 8.01 0.57 - 7.43 7.39 1.98 5.61 7.02 - -- 0.68 6.50 - 8.50 7.67 8.65 4.27 -- 7.17 Dry mg/L 08/01/16 - 3.88 5.71 -- 4.35 6.47 6.68 3.77 3.31 -- - -- 1.35 4.78 - 5.39 7.26 7.18 4.39 6.61 - -- mg/L 01/17/17 - 4.54 6.29 -- - 5.05 5.99 222 4.21 -- - -- 0.73 4.34 - 5.70 7.20 6.13 4.03 5.51 - Dry mg/L 07/24/17 - 2.11 6.95 0.43 - 5.94 5.90 2.66 5.43 -- - -- 1.44 6.45 - 5.43 8.86 9.33 2.39 -- 5.70 Dry (Verification) mg/L Oa/24/17 - -- - 0.67 - -- - -- -- -- - -- - -- - -- - 8.50 - -- - -- mg/L 11/01/17 _ -- _ -- _ -- _ -- -- -- _ -- _ -- _ -- _ -- _ __ 6.01 -- mg/L 02/20/18 - 5.02 7.39 2.50 - 5.39 5.77 2.95 4.76 Dry - -- 0.70 4.72 - 6.21 6.46 8.10 4.63 -- 5.66 Dry mg/L 08/08/18 - 3.88 5.92 1.20 - 6.29 6.00 2.06 3.85 -- - -- 1.70 5.85 - 6.54 7.04 7.50 2.39 -- 6.36 Dry mg/L 08/13/19 - 1.65 6.34 0.28 - 6.05 6.97 2.27 4.42 5.86 - -- 2.55 4.96 - 6.54 7.17 7.12 1.93 -- 5.58 4.66 mg/L 01/13/20 - 2.21 6.61 1.19 - 6.38 7.55 3.13 6.52 3.11 - -- 1.27 6.28 - 7.48 6.72 6.92 4.20 -- 8.74 Dry mg/L OW10/20 0.65 5.60 0.36 6.62 5.91 IN 3.11 5.74 2.80 5.65 6.45 7.31 7.41 3.00 5.85 Notes: mg/L = milligrams per liter --- no data available S.U. = Standard Units NTU = Nephelometric Turbidity Units ND = Not detected al the stated reporting limit uS/cm= microsiemens per centimeter aG O L D E R Page3o 3 November 2020 Table 6 Summary of Detected Constituents in Surface Water Rowan County Landfill (Active MSW and Closed C&D Facilities) Permit 80-03 Project No. 20140083 Surface Water Monitoring Points Upstream Downstream Detected Monitoring Constituents/Analytes Units Sample Date MDL MRL SWS Reporting Limit Blanks Active MSW Landfill C&D Landfill SW-1 SW-2 SW-3 SW-4 SW-6 SW-5 Antimony ug/L 12/30/05 -- -- 30 ND ND -- -- -- -- ND No SW Standard ug/L 09/26/06 -- -- 30 ND ND Dry ND Dry Dry ND ug/L 01/31/07 -- -- 6 ND ND ND ND Dry ND ND ug/L 07/12/07 -- -- 6 1.29 J 1.24 J Dry Dry Dry ND ND ug/L 01/17/08 -- -- 6 ND ND ND ND Dry ND ND ug/L 07/30/08 -- -- 6 2.31 J 1.75 J Dry Dry Dry Dry ND ug/L 01/21/09 -- -- 6 ND ND ND ND Dry ND ND ug/L 07/14/09 -- -- 6 ND ND Dry ND Dry Dry ND ug/L 01/07/10 -- -- 6 ND ND 0.129 J ND -- ND ND ug/L 07/20/10 -- -- 6 ND ND Dry ND Dry Dry ND ug/L 01/31/11 -- -- 6 ND ND ND ND Dry ND ND ug/L 07/18/11 -- -- 6 0.228 J 0.222 J Dry ND Dry ND ND ug/L 01/24/12 -- -- 6 ND ND ND ND Dry ND 0.259 J ug/L 07/17/12 -- -- 6 0.231 J ND Dry Dry Dry Dry ND ug/L 01/22/13 -- -- 6 ND ND ND ND Dry ND 0.35 J ug/L 07/15/13 -- -- 6 ND ND ND ND -- ND ND ug/L 01/27/14 -- -- 6 ND ND ND ND -- ND ND ug/L 07/15/14 -- -- 6 ND ND Dry ND -- ND ND ug/L 01/20/15 0.22 -- 6 ND ND ND ND -- ND ND ug/L 07/23/15 0.22 -- 6 0.481 J 0.304 J Dry Dry -- Dry ND ug/L 01/12/16 0.22 -- 6 ND ND 0.253 B ND -- ND 0.577 J ug/L 08/01/16 0.22 -- 6 0.372 J ND ND ND -- Dry ND ug/L 01/18/17 0.37 -- 6 ND ND ND 0.444 J -- Dry ND ug/L 07/24/17 0.37 -- 6 ND ND ND Dry -- Dry ND ug/L 02/20/18 0.37 -- 6 ND ND ND ND -- ND ND ug/L 08/08/18 1.85 5.00 -- ND ND ND ND -- ND ND ug/L 01/15/19 1.85 5.00 -- ND ND ND ND -- ND ND ug/L 08/14/19 0.74 2.00 -- ND ND Dry ND ND ND ND ug/L 01/13/20 0.74 2.00 -- ND ND ND ND -- ND ND ug/L 08/11/20 0.740 2.00 -- ND ND Dry ND -- Dry ND Arsenic ug/L 12/30/05 -- -- 10 ND ND -- -- -- -- ND Human Health SW Standar = 10 ug/L ug/L 09/26/06 -- -- 10 ND ND Dry ND Dry Dry ND ug/L 01/31/07 -- -- 10 ND 6.9 B ND ND Dry ND 3 J ug/L 07/12/07 -- -- 10 ND ND Dry Dry Dry ND ND ug/L 01/17/08 -- -- 10 2.5 J ND 3.4 J 3.9 J Dry ND ND ug/L 07/30/08 -- -- 10 3.5 J ND Dry Dry Dry Dry ND ug/L 01/21/09 -- -- 10 ND ND ND ND Dry ND ND ug/L 07/14/09 -- -- 10 ND ND Dry ND Dry Dry 3.84 J ug/L 01/07/10 -- -- 10 ND ND ND ND -- ND ND ug/L 07/20/10 -- -- 10 ND ND Dry ND Dry Dry ND ug/L 01/31/11 -- -- 10 3.55 B 3.18 B ND ND Dry ND 4.78 J ug/L 07/18/11 -- -- 10 ND ND Dry ND Dry 3.15 J ND ug/L 01/24/12 -- -- 10 ND ND ND ND Dry ND ND ug/L 07/17/12 -- -- 10 4.8 J ND Dry Dry Dry Dry ND ug/L 01/22/13 -- -- 10 ND 3.48 J 4.12 J ND Dry ND ND ug/L 07/15/13 -- -- 10 ND ND ND ND -- ND ND ug/L 01/27/14 -- -- 10 ND ND ND ND -- ND ND ug/L 07/15/14 -- -- 10 ND ND Dry ND -- ND ND ug/L 01/20/15 5.4 -- 10 ND ND ND ND -- ND ND ug/L 07/23/15 6.8 -- 10 ND ND Dry Dry -- Dry ND ug/L 01/12/16 6.8 -- 10 ND ND ND ND -- ND ND ug/L 08/01/16 6.8 -- 10 ND ND ND ND -- Dry ND ug/L 01/18/17 6.8 -- 10 ND ND ND ND -- Dry ND ug/L 07/24/17 6.8 -- 10 ND ND ND Dry -- Dry ND ug/L 02/20/18 6.8 -- 10 ND ND ND ND -- ND ND ug/L 08/08/18 7.6 10.0 -- ND ND ND ND -- ND ND ug/L 01/15/19 7.6 10.0 -- ND ND ND ND -- ND ND ug/L 08/14/19 7.6 10.0 -- ND ND Dry ND ND ND ND ug/L 01/13/20 7.6 10.0 -- ND ND ND ND -- ND ND ug/L 08/11/20 7.60 10.0 -- ND ND Dry ND -- Dry ND 4 GOLDER Page 1of11 November 2020 Table 6 Summary of Detected Constituents in Surface Water Rowan County Landfill (Active MSW and Closed C&D Facilities) Permit 80-03 Project No. 20140083 Surface Water Monitoring Points Upstream Downstream Detected Monitoring Constituents/Analytes Units Sample Date MDL MRL SWS Reporting Limit Blanks Active MSW Landfill C&D Landfill SW-1 SW-2 SW-3 SW-4 SW-6 SW-5 Barium ug/L 12/30/05 -- -- 500 ND ND -- -- -- -- ND Human Health SW Standard = 1000 ug/L ug/L 09/26/06 -- -- 500 ND ND Dry ND Dry Dry ND ug/L 01/31/07 -- -- 100 43.5 79.8 99.5 80.1 Dry 61.8 0.04 J ug/L 07/12/07 -- -- 100 44.1 J 43.1 J Dry Dry Dry 69.1 J ND ug/L 01/17/08 -- -- 100 37.3 J 37.8 J 109 114 Dry 100 ND ug/L 07/30/08 -- -- 100 58.7 J 85.7 J Dry Dry Dry Dry ND ug/L 01 /21 /09 -- -- 100 50.6 J 49.9 J 103 60.5 J Dry 73.8 J ND ug/L 07/14/09 -- -- 100 144 96.3 J Dry 144 Dry Dry ND ug/L 01 /07/10 -- -- 100 49.6 J 50.2 J 116 66.4 J -- 88.4 J 0.481 J ug/L 07/20/10 -- -- 100 59.5 J 62.7 J Dry 71.9 J Dry Dry ND ug/L 01/31/11 -- -- 100 46.7 J 35.4 J 94.9 J 64.6 J Dry 104 ND ug/L 07/18/11 -- -- 100 53.9 J 60.4 J Dry 52.4 J Dry 75.5 J ND ug/L 01/24/12 -- -- 100 45.4 J 43.4 J 72.5 J 70.2 J Dry 82.4 J ND ug/L 07/17/12 -- -- 100 40.8 J 40.4 J Dry Dry Dry Dry 1.32 J ug/L 01/22/13 -- -- 100 83.8 J 64 J 96.4 J 71.9 J Dry 82.9 J 1.24 J ug/L 07/15/13 -- -- 100 56 J 62.3 J 73.2 J 69.2 J -- 89.8 J 1.75 J ug/L 01 /27/14 -- -- 100 54.2 J 50.7 J 112 66.7 J -- 92.4 J 1.18 J ug/L 07/15/14 -- -- 100 39.7 J 39.2 J Dry 59.7 J -- 58.9 J ND ug/L 01 /20/15 1 -- 100 44 J 59.8 J 46.8 J 77 J -- 74.4 J 1.01 J ug/L 07/23/15 1 -- 100 39.1 J 55.5 J Dry Dry -- Dry ND ug/L 01/12/16 1 -- 100 47.5 J 53.8 J 52.4 J 68 J -- 83.7 J 1.94 J ug/L 08/01 /16 1 -- 100 41.7 J 42.9 J 27 J 61.4 J -- Dry ND ug/L 01/18/17 1 -- 100 43.8 J 46.6 J 86.9 J 76.9 J -- Dry ND ug/L 07/24/17 1 -- 100 120 48.6 J 56.0 J Dry -- Dry 2.03 J ug/L 02/20/18 1 -- 100 53.3 J 52.2 J 120 64.9 J -- 87.1 J ND ug/L 08/08/18 1.1 10.0 -- 109 88.2 174 51.9 -- 83.3 3.31 J ug/L 01/15/19 1.1 10.0 -- 58.4 56.7 92.8 74.7 -- 86.2 ND ug/L 08/14/19 1.1 10.0 -- 115 109 Dry 78.9 -- 79.5 2.69 J ug/L 01/13/20 1.1 10.0 -- 56.4 123 116 67.0 -- 82.5 1.11 J ug/L 08/11/20 1.10 10.0 -- 63.5 61.6 Dry 75.7 -- Dry ND Beryllium ug/L 12/30/05 -- -- 2 ND ND -- -- -- -- ND Chronic SW Standard = 6.5 ug/L ug/L 09/26/06 -- -- 2 ND ND Dry ND Dry Dry ND Acute SW Standard = 65 ug/L ug/L 01/31/07 -- -- 1 ND ND ND ND Dry ND ND ug/L 07/12/07 -- -- 1 ND ND Dry Dry Dry ND ND ug/L 01/17/08 -- -- 1 ND ND ND ND Dry ND ND ug/L 07/30/08 -- -- 1 ND ND Dry Dry Dry Dry ND ug/L 01/21/09 -- -- 1 ND ND ND ND Dry ND ND ug/L 07/14/09 -- -- 1 0.608 J 0.316 J Dry ND Dry Dry ND ug/L 01/07/10 -- -- 1 ND ND ND ND -- ND ND ug/L 07/20/10 -- -- 1 ND ND Dry ND Dry Dry ND ug/L 01/31/11 -- -- 1 ND ND ND ND Dry ND ND ug/L 07/18/11 -- -- 1 ND ND Dry ND Dry ND ND ug/L 01/24/12 -- -- 1 ND ND ND ND Dry ND ND ug/L 07/17/12 -- -- 1 ND ND Dry Dry Dry Dry ND ug/L 01/22/13 -- -- 1 ND ND 0.108 J ND Dry ND ND ug/L 07/15/13 -- -- 1 ND ND ND ND -- ND ND ug/L 01/27/14 -- -- 1 ND ND ND ND -- ND ND ug/L 07/15/14 -- -- 1 ND ND Dry ND -- ND ND ug/L 01/20/15 0.1 -- 1 ND ND ND ND -- ND ND ug/L 07/23/15 0.1 -- 1 ND ND Dry Dry -- Dry ND ug/L 01/12/16 0.1 -- 1 ND ND ND ND -- ND ND ug/L 08/01/16 0.1 -- 1 ND ND ND ND -- Dry ND ug/L 01/18/17 0.1 -- 1 ND ND ND ND -- Dry ND ug/L 07/24/17 0.1 -- 1 ND ND ND Dry -- Dry ND ug/L 02/20/18 0.1 -- 1 ND ND ND ND -- ND ND ug/L 08/08/18 0.16 1.00 -- 0.680 J 0.445 J ND ND -- ND ND ug/L 01/15/19 0.16 1.00 -- ND ND ND ND -- ND ND ug/L 08/14/19 0.16 1.00 0.296 J ND Dry ND -- ND ND ug/L 01/13/20 0.16 1.00 -- ND 0.242 J ND ND -- ND ND ug/L 08/11/20 0.160 1.00 -- ND ND Dry ND -- Dry ND GDLDER Page 2of11 November 2020 Table 6 Summary of Detected Constituents in Surface Water Rowan County Landfill (Active MSW and Closed C&D Facilities) Permit 80-03 Project No. 20140083 Surface Water Monitoring Points Upstream Downstream Detected Monitoring Constituents/Analytes Units Sample Date MDL MRL SWS Reporting Limit Blanks Active MSW Landfill C&D Landfill SW-1 SW-2 SW-3 SW-4 SW-6 SW-5 Cadmium ug/L 12/30/05 -- -- 1 ND ND -- -- -- -- ND SW Standards (ug/L) = Hardness Based ug/L 09/26/06 -- -- 1 ND ND Dry ND Dry Dry ND SW-1: Chronic = 0.32 Acute = 2.01 ug/L 01/31/07 -- -- 1 ND ND ND ND Dry ND ND SW-2: Chronic = 0.26 Acute = 1.58 ug/L 07/12/07 -- -- 1 ND ND Dry Dry Dry ND ND SW-3: Chronic = 0.49 Acute = 3.21 ug/L 01/17/08 -- -- 1 ND ND ND ND Dry ND ND SW-4: Chronic = 0.18 Acute = 1.01 ug/L 07/30/08 -- -- 1 ND ND Dry Dry Dry Dry 0.7 J SW-5: Chronic = 0.20 Acute = 1.12 ug/L 01/21/09 -- -- 1 ND ND ND ND Dry ND ND ug/L 07/14/09 -- -- 1 0.184 J ND Dry 0.192 J Dry Dry ND ug/L 01 /07/10 -- -- 1 0.25 J 0.16 J ND 0.232 J -- 0.151 J ND ug/L 07/20/10 -- -- 1 ND ND Dry ND Dry Dry ND ug/L 01/31/11 -- -- 1 ND ND ND ND Dry ND ND ug/L 07/18/11 -- -- 1 ND ND Dry ND Dry ND ND ug/L 01/24/12 -- -- 1 ND ND ND ND Dry ND ND ug/L 07/17/12 -- -- 1 ND ND Dry Dry Dry Dry ND ug/L 01/22/13 -- -- 1 ND ND ND ND Dry ND ND ug/L 07/15/13 -- -- 1 ND ND ND ND -- 0.385 J ND ug/L 01/27/14 -- -- 1 ND ND 1.92 ND -- ND ND ug/L 07/15/14 -- -- 1 ND ND Dry ND -- ND ND ug/L 01/20/15 0.36 -- 1 ND ND ND ND -- ND ND ug/L 07/23/15 0.36 -- 1 ND ND Dry Dry -- Dry ND ug/L 01/12/16 0.36 -- 1 ND ND ND ND -- ND ND ug/L 08/01/16 0.36 -- 1 ND ND ND ND -- Dry ND ug/L 01/18/17 0.36 -- 1 ND ND ND ND -- Dry ND ug/L 07/24/17 0.36 -- 1 ND ND ND Dry -- Dry ND ug/L 02/20/18 0.36 -- 1 ND ND ND ND -- ND 0.383 J ug/L 08/08/18 0.36 1.00 -- ND ND ND ND -- ND ND ug/L 01/15/19 0.36 1.00 -- ND ND ND ND -- ND ND ug/L 08/14/19 0.36 1.00 -- ND ND Dry ND -- ND ND ug/L 01/13/20 0.36 1.00 -- ND ND ND ND -- ND ND ug/L 08/11/20 0.360 1.00 -- ND ND Dry ND -- Dry ND Chromium ug/L 12/30/05 -- -- 10 ND ND -- -- -- -- ND SW Standards (ug/L)= Hardness Based ug/L 09/26/06 -- -- 10 ND ND Dry ND Dry Dry ND SW-1: Chronic = 55.34 Acute = 425.43 ug/L 01/31/07 -- -- 10 ND ND ND ND Dry ND ND SW-2: Chronic = 44.06 Acute = 338.75 ug/L 07/12/07 -- -- 10 ND ND Dry Dry Dry 17 ND SW-3: Chronic = 86.05 Acute = 661.52 ug/L 01/17/08 -- -- 10 ND ND 3.9 J 4.1 J Dry ND ND SW-4: Chronic = 29.15 Acute = 224.08 ug/L 07/30/08 -- -- 10 ND ND Dry Dry Dry Dry 14.5 SW-5: Chronic = 32.10 Acute = 246.78 ug/L 01/21/09 -- -- 10 ND ND ND ND Dry ND ND ug/L 07/14/09 -- -- 10 17.4 7.68 J Dry ND Dry Dry ND ug/L 01/07/10 -- -- 10 ND ND ND ND -- ND ND ug/L 07/20/10 -- -- 10 3.19 J 3.14 J Dry ND Dry Dry ND ug/L 01/31/11 -- -- 10 ND ND 3.67 J ND Dry ND ND ug/L 07/18/11 -- -- 10 ND ND Dry 2.16 J Dry ND ND ug/L 01/24/12 -- -- 10 1.28 J ND 2.56 J ND Dry 1.16 J ND ug/L 07/17/12 -- -- 10 ND ND Dry Dry Dry Dry ND ug/L 01/22/13 -- -- 10 3.61 B 1.04 B 7.08 B ND Dry ND 1.5 J ug/L 07/15/13 -- -- 10 ND ND 1.64 J ND -- ND ND ug/L 01/27/14 -- -- 10 ND ND 4.06 J ND -- ND ND ug/L 07/15/14 -- -- 10 ND ND Dry ND -- ND ND ug/L 01/20/15 1.4 -- 10 ND ND ND ND -- ND ND ug/L 07/23/15 1.4 -- 10 ND ND Dry Dry -- Dry ND ug/L 01/12/16 1.4 -- 10 ND ND ND ND -- ND ND ug/L 08/01 /16 1.4 -- 10 ND ND ND ND -- Dry ND ug/L 01/18/17 1.4 -- 10 ND 4.24 J ND ND -- Dry ND ug/L 07/24/17 1.4 -- 10 9.46 J ND ND Dry -- Dry ND ug/L 02/20/18 1.4 -- 10 ND ND ND ND -- ND ND ug/L 08/08/18 1.4 10.0 -- 8.14 J 11.0 ND ND -- ND 1.66 J ug/L 01/15/19 1.4 10.0 -- 2.51 J 1.52 J 3.52 J ND -- ND ND ug/L 08/14/19 1.4 10.0 -- ND 2.58 J Dry ND -- ND ND ug/L 01/13/20 1.4 10.0 -- ND ND 2.18 J 1.86 J -- 1.51 J ND ug/L 08/11/20 1.40 10.0 -- 1.74 J ND Dry ND -- Dry ND 4 GOLDER Page 3of11 November 2020 Table 6 Summary of Detected Constituents in Surface Water Rowan County Landfill (Active MSW and Closed C&D Facilities) Permit 80-03 Project No. 20140083 Surface Water Monitoring Points Upstream Downstream Detected Monitoring Constituents/Analytes Units Sample Date MDL MRL SWS Reporting Limit Blanks Active MSW Landfill C&D Landfill SW-1 SW-2 SW-3 SW-4 SW-6 SW-5 Cobalt ug/L 12/30/05 -- -- 10 ND ND -- -- -- -- ND No SW Standard ug/L 09/26/06 -- -- 10 ND ND Dry ND Dry Dry ND ug/L 01/31/07 -- -- 10 ND ND 6.4 J 2 J Dry ND ND ug/L 07/12/07 -- -- 10 ND ND Dry Dry Dry ND ND ug/L 01/17/08 -- -- 10 ND ND 4.7 J 2.2 J Dry 4.5 J ND ug/L 07/30/08 -- -- 10 ND 2.1 J Dry Dry Dry Dry ND ug/L 01/21/09 -- -- 10 1.4 J ND 8.3 J 1.6 J Dry 1.1 J ND ug/L 07/14/09 -- -- 10 9.14 J 2.6 J Dry 12.6 Dry Dry ND ug/L 01/07/10 -- -- 10 1.14 J 0.818 J 13.9 2.02 J -- 2.48 J ND ug/L 07/20/10 -- -- 10 2.17 J 2.5 J Dry 1.71 J Dry Dry ND ug/L 01/31/11 -- -- 10 1.15 J ND 3.42 J ND Dry 2.63 J ND ug/L 07/18/11 -- -- 10 ND 1.19 J Dry ND Dry 1.24 J ND ug/L 01/24/12 -- -- 10 ND ND 2.62 J ND Dry 1.47 J ND ug/L 07/17/12 -- -- 10 ND ND Dry Dry Dry Dry ND ug/L 01/22/13 -- -- 10 2.63 J ND 3.4 J 1.22 J Dry ND ND ug/L 07/15/13 -- -- 10 ND ND 1.98 J ND -- 1.47 J ND ug/L 01/27/14 -- -- 10 1.37 J 1.29 J 8.09 J 1.75 J -- 1.75 J ND ug/L 07/15/14 -- -- 10 ND ND Dry 1.31 J -- ND ND ug/L 01/20/15 1.1 -- 10 1.16 J 2.43 J 1.92 J ND -- 1.83 J ND ug/L 07/23/15 1.1 -- 10 1.51 J 1.64 J Dry Dry -- Dry ND ug/L 01/12/16 1.1 -- 10 ND ND 1.74 J ND -- ND ND ug/L 08/01/16 1.1 -- 10 ND ND ND ND -- Dry ND ug/L 01/18/17 1.1 -- 10 ND ND 2.68 J ND -- Dry ND ug/L 07/24/17 1.1 -- 10 6.41 J ND 1.14 J Dry -- Dry ND ug/L 02/20/18 1.1 -- 10 1.23 B 1.45 B ND 1.82 B -- 2.17 B 1.22 J ug/L 08/08/18 1.4 10.0 -- 5.27 J 3.36 J 12.1 1.45 J -- 2.57 J ND ug/L 01/15/19 1.4 10.0 -- ND ND 4.65 J ND -- 1.84 J ND ug/L 08/14/19 1.4 10.0 -- 4.45 J 4.60 J Dry ND -- 4.21 J ND ug/L 01/13/20 1.4 10.0 -- ND 8.47 J 2.82 J ND -- 1.86 J ND ug/L 08/11/20 1.40 10.0 -- ND ND Dry ND -- Dry ND Copper ug/L 12/30/05 -- -- 200 ND ND -- -- -- -- ND SW Standards (ug/L)= ug/L 09/26/06 -- -- 200 ND ND Dry ND Dry Dry ND (Acute = Hardness based) ug/L 01/31/07 -- -- 10 ND ND ND ND Dry ND ND SW-1: Chronic = 2.7 Acute = 9.60 ug/L 07/12/07 -- -- 10 ND ND Dry Dry Dry ND ND SW-2: Chronic = 2.7 Acute = 7.39 ug/L 01/17/08 -- -- 10 1 J 1.2 J 3.3 J 9.4 J Dry 0.8 J ND SW-3: Chronic = 2.7 Acute = 15.96 ug/L 07/30/08 -- -- 10 2.8 J 3.8 J Dry Dry Dry Dry ND SW-4: Chronic = 2.7 Acute = 4.59 ug/L 01/21/09 -- -- 10 ND ND ND ND Dry ND ND SW-5: Chronic = 2.7 Acute = 5.13 ug/L 07/14/09 -- -- 10 17.6 8.32 J Dry 0.81 B Dry Dry 1.04 J ug/L 01/07/10 -- -- 10 ND ND ND ND -- ND ND ug/L 07/20/10 -- -- 10 7.17 J 7.51 J Dry ND Dry Dry ND ug/L 01/31/11 -- -- 10 ND ND 3.54 J ND Dry ND ND ug/L 07/18/11 -- -- 10 ND 2.33 J Dry ND Dry ND ND ug/L 01/24/12 -- -- 10 3.71 B 3.17 B 5.04 B 2.52 B Dry 2.66 B 2.78 J ug/L 07/17/12 -- -- 10 ND ND Dry Dry Dry Dry ND ug/L 01/22/13 -- -- 10 4.03 J ND 7.1 J ND Dry ND ND ug/L 07/15/13 -- -- 10 1.91 J 2.5 J 2.36 J ND -- ND ND ug/L 01/27/14 -- -- 10 ND ND 3.61 J ND -- ND ND ug/L 07/15/14 -- -- 10 ND ND Dry ND -- ND ND ug/L 01/20/15 1.6 -- 10 ND ND ND ND -- ND ND ug/L 07/23/15 1.6 -- 10 1.83 B ND Dry Dry -- Dry 1.9 J ug/L 01/12/16 1.6 -- 10 ND ND 2.04 B ND -- ND 3.52 J ug/L 08/01/16 1.6 -- 10 ND ND 2.11 J ND -- Dry ND ug/L 01/18/17 1.6 -- 10 3.86 B 4.56 B 3.62 B 2.2 B -- Dry 4.8 J ug/L 07/24/17 1.6 -- 10 15.4 B 3.49 B 2.04 B Dry -- Dry 4.18 J ug/L 02/20/18 1.6 -- 10 ND ND 2.88 J ND -- ND ND ug/L 08/08/18 1.6 10.0 -- 6.99 J 4.73 J ND ND -- ND ND ug/L 01/15/19 1.6 10.0 -- 2.49 J 1.74 J 6.58 J ND -- ND ND ug/L 08/14/19 1.6 10.0 -- 22.9 17.4 Dry ND -- ND 2.38 J ug/L 01/13/20 1.6 10.0 -- 2.78 J 9.52 J 5.02 J 9.34 J -- 4.24 J ND ug/L 08/11/20 1.60 10.0 -- 5.39 J 5.21 J Dry ND -- Dry 1.95 J GDLDER Page 4of11 November 2020 Table 6 Summary of Detected Constituents in Surface Water Rowan County Landfill (Active MSW and Closed C&D Facilities) Permit 80-03 Project No. 20140083 Surface Water Monitoring Points Upstream Downstream Detected Monitoring Constituents/Analytes Units Sample Date MDL MRL SWS Reporting Limit Blanks Active MSW Landfill C&D Landfill SW-1 SW-2 SW-3 SW-4 SW-6 SW-5 Lead ug/L 12/30/05 -- -- 10 ND ND -- -- -- -- ND SW Standards (ug/L)= Hardness Based ug/L 09/26/06 -- -- 10 ND ND Dry ND Dry Dry ND SW-1: Chronic = 1.70 Acute = 43.71 ug/L 01/31/07 -- -- 10 ND ND ND ND Dry ND ND SW-2: Chronic = 1.25 Acute = 32.15 ug/L 07/12/07 -- -- 10 ND ND Dry Dry Dry -- ND SW-3: Chronic = 3.07 Acute = 78.72 ug/L 01/17/08 -- -- 10 ND ND ND 5.3 J Dry ND ND SW-4: Chronic = 0.71 Acute = 18.32 ug/L 07/30/08 -- -- 10 ND 2.4 J Dry Dry Dry Dry ND SW-5: Chronic = 0.81 Acute = 20.90 ug/L 01/21/09 -- -- 10 ND ND ND ND Dry ND ND ug/L 07/14/09 -- -- 10 10.3 B 7.03 B Dry ND Dry Dry 3.4 J ug/L 01 /07/10 -- -- 10 ND 1.21 B ND 1.46 B -- 2.01 B 1.47 J ug/L 07/20/10 -- -- 10 ND 2.92 J Dry ND Dry Dry ND ug/L 01/31/11 -- -- 10 ND ND 3.22 J ND Dry ND ND ug/L 07/18/11 -- -- 10 ND ND Dry ND Dry ND ND ug/L 01/24/12 -- -- 10 ND ND 3.69 J ND Dry ND ND ug/L 07/17/12 -- -- 10 ND ND Dry Dry Dry Dry ND ug/L 01/22/13 -- -- 10 2.24 B ND 6.92 B 2.5 B Dry ND 1.97 J ug/L 07/15/13 -- -- 10 ND ND ND ND -- ND ND ug/L 01/27/14 -- -- 10 ND ND 4.1 J ND -- ND ND ug/L 07/15/14 -- -- 10 ND ND Dry ND -- ND ND ug/L 01/20/15 2.1 -- 10 ND ND ND ND -- ND ND ug/L 07/23/15 3.1 -- 10 ND ND Dry Dry -- Dry ND ug/L 01/12/16 3.1 -- 10 ND ND ND ND -- ND ND ug/L 08/01/16 3.1 -- 10 ND ND ND ND -- Dry ND ug/L 01/18/17 3.1 -- 10 ND ND ND ND -- Dry ND ug/L 07/24/17 3.1 -- 10 5.21 J ND ND Dry -- Dry ND ug/L 02/20/18 3.1 -- 10 ND ND ND ND -- ND ND ug/L 08/08/18 3.1 10.0 -- 5.94 J ND ND ND -- ND ND ug/L 01/15/19 3.1 10.0 -- ND ND ND ND -- ND ND ug/L 08/14/19 3.1 10.0 -- 7.77 J 5.46 J Dry ND -- ND ND SW-1: Chronic = 38.46 Acute = 346.27 ug/L 01/31/07 -- -- 50 ND ND ND ND Dry ND ND SW-2: Chronic = 30.39 Acute = 273.65 ug/L 07/12/07 -- -- 50 ND ND Dry Dry Dry 10.3 J ND SW-3: Chronic = 60.68 Acute = 546.33 ug/L 01/17/08 -- -- 50 ND ND 2.2 J 2.4 J Dry ND ND SW-4: Chronic = 19.83 Acute = 178.58 ug/L 07/30/08 -- -- 50 ND ND Dry Dry Dry Dry 12.4 J SW-5: Chronic = 21.91 Acute = 197.29 ug/L 01/21/09 -- -- 50 ND ND 2.3 J 2 J Dry 2.1 J ND ug/L 07/14/09 -- -- 50 7.02 J 3.67 B Dry 2.06 B Dry Dry 0.882 J ug/L 01/07/10 -- -- 50 ND ND ND ND -- ND ND ug/L 07/20/10 -- -- 50 ND ND Dry ND Dry Dry ND ug/L 01/31/11 -- -- 50 ND ND ND ND Dry ND ND ug/L 07/18/11 -- -- 50 ND ND Dry ND Dry ND ND ug/L 01/24/12 -- -- 50 ND ND 2.63 J ND Dry 1.85 J ND ug/L 07/17/12 -- -- 50 ND ND Dry Dry Dry Dry ND ug/L 01/22/13 -- -- 50 ND ND 2.5 J ND Dry ND ND ug/L 07/15/13 -- -- 50 ND ND ND ND -- ND ND ug/L 01/27/14 -- -- 50 ND ND 3.7 J ND -- ND ND ug/L 07/15/14 -- -- 50 ND ND Dry ND -- ND ND ug/L 01 /20/15 1.8 -- 50 ND ND ND ND -- ND ND ug/L 07/23/15 1.8 -- 50 ND ND Dry Dry -- Dry ND ug/L 01/12/16 1.8 -- 50 ND ND ND ND -- ND ND ug/L 08/01/16 2.2 -- 50 ND ND ND ND -- Dry ND ug/L 01/18/17 2.2 -- 50 ND 2.77 J ND ND -- Dry ND ug/L 07/24/17 2.2 -- 50 5.42 J ND ND Dry -- Dry ND ug/L 02/20/18 2.2 -- 50 ND ND ND ND -- 4.20 J ND ug/L 08/08/18 2.2 10.0 -- 6.82 J 3.87 J 2.34 J ND -- 3.52 J ND ug/L 01/15/19 2.2 10.0 -- ND ND 3.39 J ND -- 8.18 J ND ug/L 08/14/19 2.2 10.0 -- ND 2.47 J Dry ND -- 8.37 J ND ug/L 01/13/20 2.2 10.0 -- ND ND 3.85 J 2.24 J -- ND ND ug/L 08/11/20 2.20 10.0 -- ND ND Dry ND -- Dry ND 4 GOLDER Page 5of11 November 2020 Table 6 Summary of Detected Constituents in Surface Water Rowan County Landfill (Active MSW and Closed C&D Facilities) Permit 80-03 Project No. 20140083 Surface Water Monitoring Points Upstream Downstream Detected Monitoring Constituents/Analytes Units Sample Date MDL MRL SWS Reporting Limit Blanks Active MSW Landfill C&D Landfill SW-1 SW-2 SW-3 SW-4 SW-6 SW-5 Selenium ug/L 12/30/05 -- -- 20 ND ND -- -- -- -- ND SW Standard = 5 ug/L ug/L 09/26/06 -- -- 20 ND ND Dry ND Dry Dry ND ug/L 01/31/07 -- -- 10 3.2 B ND ND ND Dry ND 2 J ug/L 07/12/07 -- -- 10 ND ND Dry Dry Dry ND ND ug/L 01/17/08 -- -- 10 ND ND ND ND Dry ND ND ug/L 07/30/08 -- -- 10 ND ND Dry Dry Dry Dry ND ug/L 01/21/09 -- -- 10 ND ND ND ND Dry 3.3 J ND ug/L 07/14/09 -- -- 10 ND ND Dry ND Dry Dry ND ug/L 01/07/10 -- -- 10 ND ND ND ND -- ND ND ug/L 07/20/10 -- -- 10 ND ND Dry ND Dry Dry ND ug/L 01/31/11 -- -- 10 ND ND ND ND Dry ND ND ug/L 07/18/11 -- -- 10 ND ND Dry ND Dry ND ND ug/L 01/24/12 -- -- 10 ND ND ND ND Dry ND ND ug/L 07/17/12 -- -- 10 ND ND Dry Dry Dry Dry ND ug/L 01/22/13 -- -- 10 ND ND ND ND Dry ND ND ug/L 07/15/13 -- -- 10 ND ND ND ND -- ND ND ug/L 01/27/14 -- -- 10 ND ND ND ND -- ND ND ug/L 07/15/14 -- -- 10 ND ND Dry ND -- ND ND ug/L 01/20/15 5 -- 10 ND ND ND ND -- ND ND ug/L 07/23/15 5 -- 10 ND ND Dry Dry -- Dry ND ug/L 01/12/16 5 -- 10 ND ND ND ND -- ND ND ug/L 08/01/16 6.2 -- 10 ND ND ND ND -- Dry ND ug/L 01/18/17 6.2 -- 10 ND ND ND ND -- Dry ND ug/L 07/24/17 6.2 -- 10 ND ND ND Dry -- Dry ND ug/L 02/20/18 6.2 -- 10 ND ND ND ND -- ND ND ug/L 08/08/18 6.2 10.0 -- ND ND ND ND -- ND ND ug/L 01/15/19 6.2 10.0 -- ND ND ND ND -- ND ND ug/L 08/14/19 6.2 10.0 -- ND ND Dry ND -- ND ND ug/L 01/13/20 6.2 10.0 -- ND ND ND ND -- ND ND ug/L 08/11/20 6.20 10.0 -- ND ND Dry ND -- Dry ND Silver ug/L 12/01/05 -- -- 10 ND ND -- -- -- ND ND Chronic SW Standard = 0.06 ug/L ug/L 09/26/06 -- -- 10 ND ND Dry ND Dry Dry ND Acute SW Standard = Hardness Based ug/L 01/31/07 -- -- 10 ND ND ND ND Dry ND ND SW-1 = 1.74 ug/L 07/12/07 -- -- 10 ND ND Dry Dry Dry ND ND SW-2 = 1.08 ug/L 01/17/08 -- -- 10 ND ND ND ND Dry ND ND SW-3 = 4.40 ug/L 07/30/08 -- -- 10 ND ND Dry Dry Dry Dry ND SW-4 = 0.45 ug/L 01/21/09 -- -- 10 ND ND ND ND Dry ND ND SW-5 = 0.55 ug/L 07/14/09 -- -- 10 ND ND Dry ND Dry Dry ND ug/L 01/07/10 -- -- 10 ND ND 0.676 J ND -- ND ND ug/L 07/20/10 -- -- 10 ND ND Dry ND Dry Dry ND ug/L 01/31/11 -- -- 10 ND ND ND ND Dry ND ND ug/L 07/18/11 -- -- 10 ND ND Dry ND Dry ND ND ug/L 01/24/12 -- -- 10 ND ND ND ND Dry ND ND ug/L 07/17/12 -- -- 10 ND ND Dry Dry Dry Dry ND ug/L 01/22/13 -- -- 10 ND ND ND ND Dry ND ND ug/L 07/15/13 -- -- 10 ND ND ND ND -- ND ND ug/L 01/27/14 -- -- 10 ND ND ND ND -- ND ND ug/L 07/15/14 -- -- 10 ND ND Dry ND -- ND ND ug/L 01/20/15 1.9 -- 10 2.23 B 2.31 B 2.45 B 2.63 B -- 2.71 B 3.39 J ug/L 07/23/15 1.9 -- 10 ND ND Dry Dry -- Dry ND ug/L 01/12/16 1.9 -- 10 ND ND ND ND -- ND ND ug/L 08/01 /16 1.9 -- 10 ND ND ND ND -- Dry ND ug/L 01/18/17 1.9 -- 10 ND ND ND ND -- Dry ND ug/L 07/24/17 1.9 -- 10 ND ND ND Dry -- Dry ND ug/L 02/20/18 1.9 -- 10 ND ND ND ND -- ND ND ug/L 08/08/18 1.9 10.0 -- ND ND ND ND -- ND ND ug/L 01/15/19 1.9 10.0 -- ND ND ND ND -- ND ND ug/L 08/14/19 1.9 10.0 -- ND ND Dry ND -- ND ND ug/L 01/13/20 1.9 10.0 -- ND ND ND ND -- ND ND ug/L 08/11/20 1.90 10.0 -- ND ND Dry ND -- Dry 2.17 J 4 GOLDER Page 6of11 November 2020 Table 6 Summary of Detected Constituents in Surface Water Rowan County Landfill (Active MSW and Closed C&D Facilities) Permit 80-03 Project No. 20140083 Surface Water Monitoring Points Upstream Downstream Detected Monitoring Constituents/Analytes Units Sample Date MDL MRL SWS Reporting Limit Blanks Active MSW Landfill C&D Landfill SW-1 SW-2 SW-3 SW-4 SW-6 SW-5 Thallium ug/L 12/30/05 -- -- 10 ND ND -- -- -- -- ND No SW Standard ug/L 09/26/06 -- -- 10 ND ND Dry ND Dry Dry ND ug/L 01/31/07 -- -- 5.5 ND ND ND ND Dry ND ND ug/L 07/12/07 -- -- 5.5 ND ND Dry Dry Dry ND ND ug/L 01/17/08 -- -- 5.5 ND ND 0.052 J 0.071 J Dry 0.112 J ND ug/L 07/30/08 -- -- 5.5 ND ND Dry Dry Dry Dry ND ug/L 01/21/09 -- -- 5.5 ND ND ND ND Dry ND ND ug/L 07/14/09 -- -- 5.5 0.086 J 0.077 J Dry 0.037 J Dry Dry ND ug/L 01/07/10 -- -- 5.5 ND ND ND ND -- ND ND ug/L 07/20/10 -- -- 5.5 ND ND Dry ND Dry Dry ND ug/L 01/31/11 -- -- 5.5 ND ND ND ND Dry ND ND ug/L 07/18/11 -- -- 5.5 ND ND Dry ND Dry ND ND ug/L 01/24/12 -- -- 5.5 ND ND ND ND Dry ND ND ug/L 07/17/12 -- -- 5.5 ND ND Dry Dry Dry Dry ND ug/L 01/22/13 -- -- 5.5 ND ND ND ND Dry ND ND ug/L 07/15/13 -- -- 5.5 ND ND ND ND -- ND ND ug/L 01/27/14 -- -- 5.5 ND ND ND ND -- ND ND ug/L 07/15/14 -- -- 5.5 ND ND Dry ND -- ND ND ug/L 01/20/15 0.11 -- 5.5 ND ND ND ND -- ND ND ug/L 07/23/15 0.11 -- 5.5 ND ND Dry Dry -- Dry ND ug/L 01/12/16 0.11 -- 5.5 ND ND ND ND -- ND ND ug/L 08/01/16 0.11 -- 5.5 ND ND ND ND -- Dry ND ug/L 01/18/17 0.11 -- 5.5 0.585 J ND 0.148 J ND -- Dry ND ug/L 07/24/17 0.11 -- 5.5 0.203 J 0.152 J 0.133 J Dry -- Dry ND ug/L 02/20/18 0.11 -- 5.5 ND ND ND ND -- ND ND ug/L 08/08/18 0.55 5.00 -- ND ND ND ND -- ND ND ug/L 01/15/19 0.55 5.00 -- ND ND ND ND -- ND ND ug/L 08/14/19 0.22 2.00 -- ND ND Dry ND -- ND ND ug/L 01/13/20 0.22 2.00 -- ND ND ND ND -- ND ND ug/L 08/11/20 0.220 2.00 -- ND ND Dry ND -- Dry ND Vanadium ug/L 12/30/05 -- -- 40 ND ND -- -- -- -- ND No SW Standard ug/L 09/26/06 -- -- 40 ND ND Dry ND Dry Dry ND ug/L 01/31/07 -- -- 25 ND ND ND ND Dry ND ND ug/L 07/12/07 -- -- 25 3 J ND Dry Dry Dry ND ND ug/L 01/17/08 -- -- 25 1 J 1.2 J 11.6 J 14.2 J Dry 4.5 J ND ug/L 07/30/08 -- -- 25 2.1 J 8.4 J Dry Dry Dry Dry ND ug/L 01/21/09 -- -- 25 1.4 J ND ND ND Dry ND ND ug/L 07/14/09 -- -- 25 50.2 28 Dry 1.94 J Dry Dry ND ug/L 01 /07/10 -- -- 25 2.9 J 2.95 J 1.71 J ND -- 3.21 J ND ug/L 07/20/10 -- -- 25 22.9 J 23 J Dry ND Dry Dry ND ug/L 01/31/11 -- -- 25 1.55 J 1.81 J 12 J ND Dry 3.17 J ND ug/L 07/18/11 -- -- 25 4.19 J 5.6 J Dry 2.22 J Dry ND ND ug/L 01/24/12 -- -- 25 2.26 J 1.8 J 6.5 J ND Dry 1.84 J ND ug/L 07/17/12 -- -- 25 3.68 J 3.8 J Dry Dry Dry Dry ND ug/L 01/22/13 -- -- 25 14 J 4.5 J 23.8 J ND Dry 2.78 J ND ug/L 07/15/13 -- -- 25 5.53 J 7.3 J 7.65 J 4.07 J -- 1.54 J ND ug/L 01 /27/14 -- -- 25 4.1 J 4.09 J 13.1 J 2.3 J -- ND ND ug/L 07/15/14 -- -- 25 3.72 J 3.5 J Dry 1.93 J -- 2.4 J ND ug/L 01/20/15 1.4 -- 25 2.06 J 2.46 J 3.24 J 1.51 J -- 3.78 J ND ug/L 07/23/15 1.4 -- 25 4.23 J 3.4 J Dry Dry -- Dry ND ug/L 01/12/16 1.4 -- 25 2.52 J 2.49 J 1.64 J ND -- ND ND ug/L 08/01/16 1.4 -- 25 4.25 J 4.26 J 4.56 J 2.06 J -- Dry ND ug/L 01/18/17 1.4 -- 25 2.19 J 2.51 J 3.46 J ND -- Dry ND ug/L 07/24/17 1.4 -- 25 36.6 4.89 J 3.80 J Dry -- Dry ND ug/L 02/20/18 1.4 -- 25 4.74 J 5.34 J 4.32 J 2.48 J -- 3.67 J ND ug/L 08/08/18 1.4 10.0 -- 31.2 23.1 1.62 J 2.02 J -- 2.44 J ND ug/L 01/15/19 1.4 10.0 -- 6.68 J 6.19 J 10.3 ND -- ND ND ug/L 08/14/19 1.4 10.0 -- 18.3 24.4 Dry 1.81 J -- ND ND ug/L 01/13/20 1.4 10.0 -- 5.03 J 18.9 6.23 J 5.93 J -- 7.82 J ND ug/L 08/11/20 1.40 10.0 -- 9.15 J 7.21 J Dry 1.42 J -- Dry ND GDLDER Page 7of11 November 2020 Table 6 Summary of Detected Constituents in Surface Water Rowan County Landfill (Active MSW and Closed C&D Facilities) Permit 80-03 Project No. 20140083 Surface Water Monitoring Points Upstream Downstream Detected Monitoring Constituents/Analytes Units Sample Date MDL MRL SWS Reporting Limit Blanks Active MSW Landfill C&D Landfill SW-1 SW-2 SW-3 SW-4 SW-6 SW-5 Zinc ug/L 12/30/05 -- -- 50 ND ND -- -- -- -- ND SW Standards (ug/L)= Hardness Based ug/L 09/26/06 -- -- 50 ND ND Dry ND Dry Dry ND SW-1: Chronic = 87.33 Acute = 86.62 ug/L 01/31/07 -- -- 10 ND ND ND 1.7 J Dry ND ND SW-2: Chronic = 68.99 Acute = 68.43 ug/L 07/12/07 -- -- 10 7.4 J ND Dry Dry Dry 7.8 J ND SW-3: Chronic = 137.87 Acute = 136.76 ug/L 01/17/08 -- -- 10 2.6 J 4.1 J 28 25.3 Dry 5.4 J ND SW-4: Chronic = 44.99 Acute = 44.62 ug/L 07/30/08 -- -- 10 5.8 J 22.3 Dry Dry Dry Dry ND SW-5: Chronic = 49.71 Acute = 49.31 ug/L 01/21/09 -- -- 10 ND ND 40.5 5.7 J Dry ND ND ug/L 07/14/09 -- -- 10 37.5 24.6 Dry 12.1 Dry Dry ND ug/L 01 /07/10 -- -- 10 2.81 J 2.74 J 32.7 2.82 J -- 5.91 J ND ug/L 07/20/10 -- -- 10 8.25 J 14.6 Dry 4.02 J Dry Dry ND ug/L 01/31/11 -- -- 10 ND 4.26 J 19 ND Dry 9.27 J ND ug/L 07/18/11 -- -- 10 ND 4.3 J Dry 8.28 J Dry ND ND ug/L 01/24/12 -- -- 10 ND ND 10.2 B ND Dry ND 9.27 J ug/L 07/17/12 -- -- 10 ND ND Dry Dry Dry Dry ND ug/L 01/22/13 -- -- 10 8.55 J ND 19.8 ND Dry ND ND ug/L 07/15/13 -- -- 10 ND ND ND ND -- 8.63 J ND ug/L 01 /27/14 -- -- 10 4.41 J 4.86 J 24.9 4.9 J -- 33.5 ND ug/L 07/15/14 -- -- 10 ND ND Dry ND -- ND ND ug/L 01/20/15 3.8 -- 10 ND ND ND ND -- ND ND ug/L 07/23/15 3.8 -- 10 ND ND Dry Dry -- Dry ND ug/L 01/12/16 3.8 -- 10 ND 3.89 J 11.2 ND -- ND ND ug/L 08/01/16 4.4 -- 10 ND ND 4.65 J ND -- Dry ND ug/L 01/18/17 4.4 -- 10 ND ND 16.5 ND -- Dry ND ug/L 07/24/17 4.4 -- 10 63.1 ND ND Dry -- Dry ND ug/L 02/20/18 4.4 -- 10 ND ND 9.18 J ND -- ND ND ug/L 08/08/18 4.4 10.0 -- 21.8 14.6 5.41 J ND -- ND ND ug/L 01/15/19 4.4 10.0 -- ND ND 10.4 ND -- ND ND ug/L 08/14/19 4.4 10.0 -- 16.1 17.0 Dry 5.23 J -- 4.77 J ND ug/L 01 /13/20 4.4 10.0 -- 4.75 J 19.3 10.0 18.3 -- 9.97 J ND ug/L 08/11/20 4.40 10.0 -- 4.77 J ND Dry ND -- Dry ND Acetone ug/L 12/30/05 -- -- 20 ND ND -- -- -- -- ND No SW Standard ug/L 09/26/06 -- -- 100 ND ND Dry ND Dry Dry ND ug/L 01/31/07 -- -- 100 ND ND 120 ND Dry ND ND (Verification) ug/L 04/13/07 -- -- 100 -- -- 25 J -- -- -- ND ug/L 07/12/07 -- -- 100 ND ND Dry Dry Dry ND 0.93 J ug/L 01/17/08 -- -- 100 ND ND ND 14 J Dry ND ND ug/L 07/30/08 -- -- 100 ND ND Dry Dry Dry Dry ND ug/L 01/21/09 -- -- 100 ND ND ND ND Dry ND ND ug/L 07/14/09 -- -- 100 4.3 J ND Dry ND Dry Dry ND ug/L 01/07/10 -- -- 100 ND ND 150 ND -- ND ND (Verification) ug/L 01/20/10 -- -- 100 -- -- 110 -- ND -- ND ug/L 07/20/10 -- -- 100 ND ND Dry ND Dry Dry ND ug/L 01/31/11 -- -- 100 ND ND ND ND Dry ND ND ug/L 07/18/11 -- -- 100 ND ND Dry ND Dry ND ND ug/L 01/24/12 -- -- 100 ND ND ND ND Dry ND ND ug/L 07/17/12 -- -- 100 ND ND Dry Dry Dry Dry ND ug/L 01/22/13 -- -- 100 ND ND ND ND Dry ND ND ug/L 07/15/13 -- -- 100 ND ND ND ND -- ND ND ug/L 01/27/14 -- -- 100 ND ND 100 ND -- ND ND ug/L 07/15/14 -- -- 100 ND ND Dry ND -- ND ND ug/L 01 /20/15 1.2 -- 100 ND ND ND ND -- ND ND ug/L 07/23/15 1.2 -- 100 ND ND Dry Dry -- Dry ND ug/L 01/12/16 1.2 -- 100 ND ND ND ND -- ND ND ug/L 08/01/16 10 -- 100 ND ND ND ND -- Dry ND ug/L 01/18/17 10 -- 100 ND ND ND ND -- Dry ND ug/L 07/24/17 10 -- 100 ND ND ND Dry -- Dry 17 J ug/L 02/20/18 10 -- 100 ND ND ND ND -- ND ND ug/L 08/08/18 10 20 -- ND ND ND ND -- ND ND ug/L 01/15/19 10 20 -- ND ND 53 ND -- ND ND (Verification) ug/L 02/21/19 10 20 -- -- -- 65 -- -- -- ND ug/L 08/14/19 10 20 -- ND ND Dry ND -- ND ND ug/L 01/13/20 10 20 -- ND ND 10 J ND -- ND ND ug/L 08/11/20 10 20 -- ND ND Dry ND -- Dry ND 4 GOLDER Page 8of11 November 2020 Table 6 Summary of Detected Constituents in Surface Water Rowan County Landfill (Active MSW and Closed C&D Facilities) Permit 80-03 Project No. 20140083 Surface Water Monitoring Points Upstream Downstream Detected Monitoring Constituents/Analytes Units Sample Date MDL MRL SWS Reporting Limit Blanks Active MSW Landfill C&D Landfill SW-1 SW-2 SW-3 SW-4 SW-6 SW-5 2-Hexanone ug/L 09/26/06 -- -- 50 ND ND Dry ND Dry -- ND No SW Standard ug/L 01/31/07 -- -- 50 ND ND ND ND Dry ND ND ug/L 07/12/07 -- -- 50 ND ND Dry Dry Dry Dry ND ug/L 01/17/08 -- -- 50 ND ND ND ND Dry ND ND ug/L 07/30/08 -- -- 50 ND ND -- -- -- -- ND ug/L 01/21/09 -- -- 50 ND ND ND ND Dry ND ND ug/L 07/14/09 -- -- 50 ND ND Dry ND Dry Dry ND ug/L 01/07/10 -- -- 50 ND ND 3.2 J ND -- ND ND (Verification) ug/L 01/20/10 -- -- 50 -- -- 7.8 J -- ND -- ND ug/L 07/20/10 -- -- 50 ND ND Dry ND Dry Dry ND ug/L 01/31/11 -- -- 50 ND ND ND ND Dry ND ND ug/L 07/18/11 -- -- 50 ND ND Dry ND Dry ND ND ug/L 01/24/12 -- -- 50 ND ND ND ND Dry ND ND ug/L 07/17/12 -- -- 50 ND ND Dry Dry Dry Dry ND ug/L 01/22/13 -- -- 50 ND ND ND ND Dry ND ND ug/L 07/15/13 -- -- 50 ND ND ND ND -- ND ND ug/L 01/27/14 -- -- 50 ND ND ND ND -- ND ND ug/L 07/15/14 -- -- 50 ND ND Dry ND -- ND ND ug/L 01/20/15 0.88 -- 50 ND ND ND ND -- ND ND ug/L 07/23/15 0.88 -- 50 ND ND Dry Dry -- Dry ND ug/L 01/12/16 0.88 -- 50 ND ND ND ND -- ND ND ug/L 08/01/16 0.88 -- 50 ND ND ND ND -- Dry ND ug/L 01/18/17 0.88 -- 50 ND ND ND ND -- Dry ND ug/L 07/24/17 0.88 -- 50 ND ND ND Dry -- Dry ND ug/L 02/20/18 0.88 -- 50 ND ND ND ND -- ND ND ug/L 08/08/18 0.88 5.0 -- ND ND ND ND -- ND ND ug/L 01/15/19 0.88 5.0 -- ND ND 6.3 ND -- ND ND ug/L 02/21 /19 0.88 5.0 -- -- -- 7.6 -- -- -- ND ug/L 08/14/19 0.88 5.0 -- ND ND Dry ND -- ND ND ug/L 01/13/20 0.88 5.0 -- ND ND ND ND -- ND ND ug/L 08/11/20 0.88 5.0 -- ND ND Dry ND -- Dry ND 2-Butanone ug/L 12/30/05 -- -- 20 ND ND -- -- -- -- ND No SW Standard ug/L 09/26/06 -- -- 100 ND ND -- ND Dry -- ND ug/L 01/31/07 -- -- 100 ND ND 42 J ND Dry ND ND ug/L 07/12/07 -- -- 100 ND ND Dry Dry Dry Dry ND ug/L 01/17/08 -- -- 100 ND ND ND ND Dry ND ND ug/L 07/30/08 -- -- 100 ND ND Dry Dry Dry Dry ND ug/L 01/21/09 -- -- 100 ND ND ND ND Dry ND ND ug/L 07/14/09 -- -- 100 ND ND Dry ND Dry Dry ND ug/L 01/07/10 -- -- 100 ND ND 190 ND -- ND ND (Verification) ug/L 01/20/10 -- -- 100 -- -- 89 J -- ND -- ND ug/L 07/20/10 -- -- 100 ND ND Dry ND Dry Dry ND ug/L 01/31/11 -- -- 100 ND ND ND ND Dry ND ND ug/L 07/18/11 -- -- 100 ND ND Dry ND Dry ND ND ug/L 01/24/12 -- -- 100 ND ND ND ND Dry ND ND ug/L 07/17/12 -- -- 100 ND ND Dry Dry Dry Dry ND ug/L 01/22/13 -- -- 100 ND ND ND ND Dry ND ND ug/L 07/15/13 -- -- 100 ND ND ND ND -- ND ND ug/L 01/27/14 -- -- 100 ND ND 42 J ND -- ND ND ug/L 07/15/14 -- -- 100 ND ND Dry ND -- ND ND ug/L 01/20/15 -- -- 100 ND ND ND ND -- ND ND ug/L 07/23/15 1.3 -- 100 ND ND Dry Dry -- Dry ND ug/L 01/12/16 -- 100 ND ND ND ND -- ND ND ug/L 08/01/16 1.3 -- 100 ND ND ND ND - Dry ND ug/L 01/18/17 1.3 -- 100 ND ND ND ND -- Dry ND ug/L 07/24/17 -- 100 ND ND ND Dry -- Dry ND ug/L 02/20/18 1.3 -- 100 ND ND ND ND -- ND ND ug/L 08/08/18 1.3 5.0 -- ND ND ND ND Dry ND ND ug/L 01/15/19 1.3 5.0 -- ND ND 72 ND -- ND ND (Verification) ug/L 02/21/19 1.3 5.0 -- -- -- 130 -- -- -- ND ug/L 08/14/19 1.3 5.0 -- ND ND Dry ND -- ND ND ug/L 01/13/20 1.3 5.0 -- ND ND ND ND -- ND ND ug/L 08/11 /20 1.3 5.0 -- ND ND Dry ND -- Dry ND 4 GOLDER Page 9of11 November 2020 Table 6 Summary of Detected Constituents in Surface Water Rowan County Landfill (Active MSW and Closed C&D Facilities) Permit 80-03 Project No. 20140083 Surface Water Monitoring Points Upstream Downstream Detected Monitoring Constituents/Analytes Units Sample Date MDL MRL SWS Reporting Limit Blanks Active MSW Landfill C&D Landfill SW-1 SW-2 SW-3 SW-4 SW-6 SW-5 4-Methyl-2-pentanone ug/L 12/30/05 -- -- 20 ND ND -- -- -- -- ND No SW Standard ug/L 09/26/06 -- -- 100 ND ND -- ND Dry -- ND ug/L 01/31/07 -- -- 100 ND ND 1.3 J ND Dry ND ND ug/L 07/12/07 -- -- 100 ND ND Dry Dry Dry Dry ND ug/L 01/17/08 -- -- 100 ND ND ND ND Dry ND ND ug/L 07/30/08 -- -- 100 ND ND Dry Dry Dry Dry ND ug/L 01/21/09 -- -- 100 ND ND ND ND Dry ND ND ug/L 07/14/09 -- -- 100 ND ND Dry ND Dry Dry ND ug/L 01/07/10 -- -- 100 ND ND 1.2 J ND -- ND ND (Verification) ug/L 01/20/10 -- -- 100 -- -- ND -- ND -- ND ug/L 07/20/10 -- -- 100 ND ND Dry ND Dry Dry ND ug/L 01/31/11 -- -- 100 ND ND ND ND Dry ND ND ug/L 07/18/11 -- -- 100 ND ND Dry ND Dry ND ND ug/L 01/24/12 -- -- 100 ND ND ND ND Dry ND ND ug/L 07/17/12 -- -- 100 ND ND Dry Dry Dry Dry ND ug/L 01/22/13 -- -- 100 ND ND ND ND Dry ND ND ug/L 07/15/13 -- -- 100 ND ND ND ND -- ND ND ug/L 01/27/14 -- -- 100 ND ND ND ND -- ND ND ug/L 07/15/14 -- -- 100 ND ND Dry ND -- ND ND ug/L 01 /20/15 1.1 -- 100 ND ND ND ND -- ND ND ug/L 07/23/15 1.1 -- 100 ND ND Dry Dry -- Dry ND ug/L 01/12/16 1.1 -- 100 ND ND ND ND -- ND ND ug/L 08/01/16 1.1 -- 100 ND ND ND ND -- Dry ND ug/L 01/18/17 1.1 -- 100 ND ND ND ND -- Dry ND ug/L 07/24/17 1.1 -- 100 ND ND ND Dry -- Dry ND ug/L 02/20/18 1.1 -- 100 ND ND ND ND -- ND ND ug/L 08/08/18 1.1 5.0 -- ND ND ND ND -- ND ND ug/L 01/15/19 1.1 5.0 -- ND ND ND ND -- ND ND ug/L 08/14/19 1.1 5.0 -- ND ND Dry ND -- ND ND ug/L 01/13/20 1.1 5.0 -- ND ND ND ND -- ND ND ug/L 08/11/20 1.1 5.0 -- ND ND Dry ND -- Dry ND Toluene ug/L 12/30/05 -- -- 5 ND ND -- ND -- -- ND SW Standard = 11 ug/L ug/L 09/26/06 -- -- 5 ND ND Dry ND Dry Dry ND ug/L 01/31/07 -- -- 5 ND ND 0.59 J ND Dry ND ND ug/L 07/12/07 -- -- 1 ND ND Dry Dry Dry Dry 0.48 J ug/L 01/17/08 -- -- 1 ND ND ND 0.4 J Dry ND ND ug/L 07/30/08 -- -- 1 ND ND Dry Dry Dry Dry ND ug/L 01/21/09 -- -- 1 ND ND ND ND Dry ND ND ug/L 07/14/09 -- -- 1 ND ND Dry ND Dry Dry ND ug/L 01/07/10 -- -- 1 ND ND ND ND -- ND ND (Verification) ug/L 01/20/10 -- -- 1 -- -- -- -- ND -- ND ug/L 07/20/10 -- -- 1 ND ND Dry ND Dry Dry ND ug/L 01/31/11 -- -- 1 ND ND ND ND Dry ND ND ug/L 07/18/11 -- -- 1 ND ND Dry ND Dry ND ND ug/L 01/24/12 -- -- 1 ND ND ND ND Dry ND ND ug/L 07/17/12 -- -- 1 ND ND Dry Dry Dry Dry ND ug/L 01/22/13 -- -- 1 ND ND ND ND Dry ND ND ug/L 07/15/13 -- -- 1 ND ND ND ND -- ND ND ug/L 01/27/14 -- -- 1 ND ND ND ND -- ND ND ug/L 07/15/14 -- -- 1 ND ND Dry ND -- ND ND ug/L 01/20/15 0.14 -- 1 ND ND ND ND -- ND ND ug/L 07/23/15 0.14 -- 1 ND ND Dry Dry -- Dry ND ug/L 01/12/16 0.14 -- 1 ND ND ND ND -- ND ND ug/L 08/01/16 0.14 -- 1 ND ND ND ND -- Dry ND ug/L 01/18/17 0.14 -- 1 ND ND ND ND -- Dry ND ug/L 07/24/17 0.14 -- 1 ND ND ND Dry -- Dry ND ug/L 02/20/18 0.14 -- 1 ND ND ND ND -- ND ND ug/L 08/08/18 0.14 1.0 -- ND ND ND ND -- ND ND ug/L 01/15/19 0.14 1.0 -- ND ND ND ND -- ND ND ug/L 08/14/19 0.14 1.0 -- ND ND Dry ND -- ND ND ug/L 01/13/20 0.14 1.0 -- ND ND ND ND -- ND ND ug/L 08/11/20 0.14 1.0 -- ND ND Dry ND -- Dry ND 4 GOLDER Page 10of11 November 2020 Table 6 Summary of Detected Constituents in Surface Water Rowan County Landfill (Active MSW and Closed C&D Facilities) Permit 80-03 Project No. 20140083 Surface Water Monitoring Points Upstream Downstream Detected Monitoring Constituents/Analytes Units Sample Date MDL MRL SWS Reporting Limit Blanks Active MSW Landfill C&D Landfill SW-1 SW-2 SW-3 SW-4 SW-6 SW-5 1,4-Dioxane ug/L 08/08/18 25 60 -- ND ND ND ND Dry ND ND Human Health SW Standard = 80 ug/L ug/L 01/15/19 1.2 2.0 -- ND ND 3.6 ND -- 1.8 J ND (Verification) ug/L 02/21/19 1.2 2.0 -- -- -- 7.0 -- -- -- ND ug/L 08/14/19 1.2 2.0 -- ND ND Dry ND -- 2.2 ND ug/L 01/13/20 1.2 2.0 -- -- -- -- -- -- ND ND ug/L 08/11/20 0.80 2.0 -- -- -- Dry -- -- Dry ND Notes: ug/L = micrograms per liter S.U. = Standard Units NTU = Nephelometric Turbidity Units ND = Not detected at the stated reporting limit pS/cm= microsiemens per centimeter -- = no data available or not established B = blank -qualified result J = Prior to the August 2018 event, J flags are estimated values below the SWS Reporting limit. Beginning with the August 2018 event, J flags are estimated values between MDL and MRL. Blanks = field, trip and method blanks Bolded = Concentrations above Human Health or Chronic Surface Water Standard Shaded and Bold = Concentration above Acute and Chronic Surface Water Standards SWS Reporting Limit = NCPQL prior to 2007 and NCSWSL starting in 01/31/07 SW Standards= NC Freshwater Aquatic Life Standards as defined in 15A NCAC 2B * = Standard is a National Criteria per EPA MDL = Laboratory method detection limit MRL = Laboratory method reporting limit 1) Surface water monitoring poiint SW-1 is the upstream monitoring location 2) Historical data prior to September 2006 provided by Rowan County. 3) Surface water monitoring point SW-6 was omitted from the monitoring network during the latest revision to the facility's WQMP in relation to the Phase IV expansion. 4) The following dilutions were noted for the August 2020 event: Antimony and Thallium (2x) GDLDER Page 11of11 November 2020 Table 7 Summary of Surface Water Field Parameters Rowan County Landfill (Active MSW and Closed C&D Facilities) Permit 80-03 Surface Water Monitoring Points Upstream Downstream Detected Monitoring Constituents/Analytss Units Sample Date Active MSW Landfill CSD Landfill SW-1 SW-2 SW-3 SW-4 SW-6 SW-5 PH S.U. 12/30/05 7.55 7.50 -- -- - -- (field) S.U. 09/26/06 6.68 6.21 Dry 6.28 Dry Dry S.U. 01/31/07 6.55 6.13 6.34 5.94 Dry 6.59 S.U. 07/12/07 7.36 6.33 Dry Dry Dry 6.82 S.U. 01/17/08 6.24 6.52 6.57 6.25 Dry 5.99 S.U. 07/30/08 6.43 6.86 Dry Dry Dry Dry S.U. 01/21/09 6.17 5.38 6.12 5.49 Dry 5.19 S.U. 07/14/09 6.42 6.70 Dry 6.29 Dry Dry S.U. 01/07/10 6.70 6.64 6.44 6.73 - 6.25 (Vedfioation) S.U. 01/20/10 - - 6.31 -- 6.50 -- S.U. 07/20/10 7.30 6.96 Dry 6.59 Dry Dry S.U. 01/31/11 6.67 5.87 5.70 6.94 Dry 5.77 S.U. 07/18/11 6.99 6.90 Dry 6.82 Dry 5.88 S.U. 01/24/12 6.72 6.58 6.61 6.23 Dry 5.91 S.U. 07/18/12 5.85 5.75 Dry Dry Dry Dry S.U. 01/22/13 6.95 6.47 6.20 6.36 Dry 6.15 S.U. 07/15/13 5.37 5.75 5.14 5.62 - 6.09 S.U. 01/27/14 6.76 6.51 6.42 6.29 - 5.89 S.U. 07/15/14 6.81 6.99 Dry 6.39 - 6.49 S.U. 01/20/15 6.29 5.57 6.05 5.76 - 5.02 S.U. 07/23/15 6.57 6.07 Dry Dry - Dry S.U. 01/12/16 6.45 5.92 6.42 6.64 - 5.56 S.U. 08/01/16 6.70 7.06 6.57 7.30 - Dry S.U. 01/18/17 5.67 6.27 5.40 5.67 - Dry S.U. 07/24/17 7.77 7.18 7.56 Dry - Dry S.U. 02/20/18 7.27 7.31 7.07 7.06 - 6.36 S.U. 08/08/18 6.24 7.53 6.06 8.10 - 5.94 S.U. 01/16/19 7.15 7.02 7.11 6.63 - 6.09 (Verification) S.U. 02/21/19 - - 7.32 -- - -- S.U. 08/14/19 6.91 6.96 Dry 6.60 - 6.08 S.U. 01/13/20 7.39 6.40 7.35 5.87 - 5.75 S.U. 1 08/1020 6.84 1 7.06 Dry 8.54 Dry Specific Conductivity PS/cm 12/30/05 145 150 -- -- - -- (field) PS/cm 09/26/06 123 104 Dry 151 Dry Dry PS in 01/31/07 111 258 421 110 Dry 103 PS/cm 07/12/07 180 176 Dry Dry Dry 98 PS in 01/17/08 233 189 90 293 Dry 117 PS/cm 07/30/08 304 320 Dry Dry Dry Dry PS in 01/21/09 141 154 116 74 Dry 118 PS/cm 07/14/09 119 114 Dry 174 Dry Dry PS in 01/07/10 132 133 247 98 - 107 (Verification) uS/cm 01/20/10 - - 146 -- 68 PS in 07/20/10 129 128 Dry 99 Dry Dry PS in 01/31/11 134 134 136 0.127 Dry 97 PS/cm 07/18/11 148 151 Dry 94 Dry 107 PS in 01/24/12 137 134 113 96 Dry 95 PS/cm 07/18/12 144 149 Dry Dry Dry Dry PS in 01/22/13 151 156 103 112 Dry 119 PS/cm 07/15/13 148 145 148 87 - 110 PS in 01/27/14 168 151 218 114 - 142 PS/cm 07/15/14 151 164 Dry 98 - 123 PS in 01/20/15 127 133 103 91 - 102 PS in 07/23/15 139 163 Dry Dry - Dry ps in 01/12/16 118 124 221 89 - 147 PS in 08/01/16 147 167 35 103 - Dry ps in 01/18/17 133 148 121 88 - Dry PS in 07/24/17 166 148 116 Dry - Dry ps in 02/20/18 163 159 291 105 - 181 PS in 08/08/18 120.2 52.6 388.4 109.4 - 209.6 ps in 01/06/19 114.2 114.8 282.8 100.4 - 122.2 (Verification) PS/cm 02/21/19 - - 355.4 -- - -- PS in 08/14/19 123.3 112.2 Dry 101.9 - 217.6 PS/cm 01/13/20 63.9 60.3 263.4 38.3 - 30.2 uS/cm 08/1020 129.2 130.1 Dry 97.8 Dry Project No. 20140083 GGOLDER Page 1 of November 2020 Table 7 Summary of Surface Water Field Parameters Rowan County Landfill (Active MSW and Closed C&D Facilities) Permit 80-03 Surface Water Monitoring Points Upstream Downstream Detected Monitoring Constituents/Analytas Units Sample Date Active MSW Landfill CSD Landfill SW-1 SW-2 SW-3 SW-4 SW-6 SW-5 Temperature °C 12/30/05 15.8 16.2 -- -- - -- (field) 'C 09/26/06 17.4 20.0 Dry 19.6 Dry Dry °C 01/31/07 6.3 3.0 3.9 6.2 Dry 4.7 'C 07/12/07 22.5 22.32 Dry Dry Dry 19.22 °C 01/17/08 1.69 3.67 2.21 3.53 Dry 5.19 'C 07/30/08 25.76 26.19 Dry Dry Dry Dry °C 01/21/09 1.59 0.22 3.68 2.79 Dry 2.1 'C 07/14/09 22.36 21.50 Dry 22.04 Dry Dry °C 01/07/10 1.86 1.23 2.33 4.94 - 1.43 (Verification) 'C 01/20/10 - - 5.68 -- 8.89 -- °C 07/20/10 25.61 24.57 Dry 23.99 Dry Dry 'C 01/31/11 5.92 5.86 5.47 6.77 Dry 7.50 °C 07/18/11 24.77 24.71 Dry 23.21 Dry 29.36 'C 01/24/12 9.14 7.94 9.21 7.14 Dry 12.1 °C 07/18/12 25.65 25.87 Dry Dry Dry Dry 'C 01/22/13 4.40 4.40 4.30 4.20 Dry 6.30 °C 07/15/13 24.40 23.51 26.41 20.64 - 26.56 'C 01/27/14 6.8 4.6 6.5 9.4 - 4.9 °C 07/15/14 25.2 25.9 Dry 19.1 - 30.4 'C 01/20/15 5.8 5.7 6.1 8.6 - 7.5 °C 07/23/15 25.2 24.0 Dry Dry - Dry 'C 01/12/16 5.4 3.9 5.3 7.4 - 5.4 °C 08/01/16 24.6 24.6 26.3 22.6 - Dry 'C 01/18/17 9.0 13.4 12.1 13.8 - Dry °C 07/24/17 24.9 24.2 22.4 Dry - Dry 'C 02/20/18 14.3 14.8 14.7 16.5 - 106.7 °C 08/08/18 23.7 24.1 26.3 23.6 - 23.60 'C 01/16/19 5.5 5.6 4.3 7.2 - 7.30 (Verification) °C 02/21/19 - - 5.0 -- - -- 'C 08/14/19 23.9 24.0 Dry 21.5 - 25.1 °C 01/13/20 13.1 13.0 14.1 13.5 - 13.2 'C 08/1020 24.5 24.8 Dry 21.1 Dry Turbidity NTU 09/26/06 84.4 193 Dry >1000 Dry Dry (field) NTU 01/31/07 19.3 57.3 56.5 26.8 Dry 817 NTU 07/12/07 0.0 0.0 Dry Dry Dry >1000 NTU 01/17/08 10.2 19.9 70.4 128 Dry 48.3 NTU 07/30/08 60.3 27.9 Dry Dry Dry Dry NTU 01/21/09 36.4 15.7 91.1 14.8 Dry 12.4 NTU 07/14/09 316 253 Dry 15.4 Dry Dry NTU 01/07/10 28.7 21.4 32.8 11.0 - 49.8 (Verification) NTU 01/20/10 - - -- -- - -- NTU 07/20/10 131 146 Dry 29.6 Dry Dry NTU 01/31/11 14.6 11.1 70.9 8.10 Dry 19.0 NTU 07/18/11 25.6 16.4 Dry 15.4 Dry 11.6 NTU 01/24/12 20.2 18.9 95.4 14.8 Dry 36.2 NTU 07/18/12 31.4 23.5 Dry Dry Dry Dry NTU 01/22/13 15.8 37.5 213 15.7 Dry 32.7 NTU 07/15/13 35.0 45.6 73.0 22.9 - 19.4 NTU 01/27/14 47.7 39.5 63.6 33.2 - 65.9 NTU 07/15/14 18.8 17.1 Dry 21.5 - 26.9 NTU 01/20/15 12.3 15.9 15.6 7.12 - 38.7 NTU 07/23/15 17.4 27.3 Dry Dry - Dry NTU 01/12/16 23.3 24.9 18.3 9.05 - 19.4 NTU 08/01/16 22.0 18.0 65.3 10.7 - Dry NTU 01/18/17 14.4 13.4 32.6 7.7 - Dry NTU 07/24/17 9.48 18.1 15.5 Dry - Dry NTU 02/20/18 25.8 21.2 42.0 14A - 30.6 NTU 08/08/18 220 164 43.9 12.6 - 25.8 NTU 01/16/19 60.4 48.5 147 9.14 - 12.7 (Verification) NTU 02/21/19 - - 235 -- - -- NTU 08/14/19 992 693 Dry 16.3 - 25.2 NTU 01/13/20 70.7 368 108 128 - 116 NTU 08/10/20 157 1 172 Dry 13.4 Dry Project No. 20140083 GGOLDER Page 2 of November 2020 Table 7 Summary of Surface Water Field Parameters Rowan County Landfill (Active li and Closed C&D Facilities) Permit 80-03 Surface Water Monitoring Points Upstream Downstream Detected Monitoring Constituents/Analytes Units Sample Date Active MSW Landfill CSD Landfill SW-1 SW-2 SW-3 SW-4 SW-6 SW-5 Oxygen Reduction Potential mV 09/26/06 86 124 Dry -7 Dry Dry (field) mV 01/31/07 32 202 73 211 - 212 my 07/12/07 90 27 -- -- - -- mV 01/17/08 - 173 -- -- Dry -- mv 07/30/08 -6 108 Dry Dry Dry Dry mV 01/21/09 73.5 162.4 84.2 201.4 Dry 164.8 my 07/14/09 127.5 106.8 Dry -6.6 Dry Dry mV 01/07/10 42.3 141.5 4.5 24.9 - 130.6 (Verification) mV 01/20/10 - - 108.0 -- 80.5 -- mV 07/20/10 -5.3 27.7 Dry 29.6 Dry Dry my 01/31/11 89.1 173.1 90.9 12.6 Dry 282.0 mV 07/18/11 65.2 76.2 Dry 56.1 Dry 72.1 my 01/24/12 -121.7 -150.2 -107.5 -174.4 Dry -147.2 mV 07/18/12 45.5 33.0 Dry Dry Dry Dry my 01/22/13 - - -- -- Dry -- mV 07/15/13 114.2 130.1 66.1 128.3 - 93.1 my 01/27/14 34.9 93.2 21.8 34.8 - 102.9 mV 07/15/14 214.6 102.3 Dry 60.0 - 103.7 my 01/20/15 85.0 155.0 83.5 114.1 - 183.7 mV 07/23/15 83.7 .57.5 Dry Dry - Dry my 01/12/16 228.8 187.2 342.8 227.1 - 137.4 mV 0 /01/16 121.5 121.7 164.2 141.8 - Dry mV 01/18/17 142.5 168.1 176.1 154.8 - Dry mV 07/24/17 - - 67.6 Dry - Dry my 02/20/18 92.5 133.6 110.7 78.30 - 106.70 mV 08/08/18 196.4 185.9 -- 157.8 - 190.8 my 01/15/19 69.6 94.7 -3.3 52.7 - 165.5 (Verification) mV 02/21/19 - - 296.8 -- - -- mv 08/14/19 350.8 250.8 Dry 340.3 - 165.2 mV 01/13/20 143.1 178.5 41.2 157.0 - 139.5 mV 08/10/20 37.5 122.8 D -8.3 Dry Dissolved Oxygen mg/L 09/26/06 - - Dry -- - Dry (field) mg/L 01/31/07 13 14.4 14 13.4 Dry 14.1 mg 07/12/07 8.5 9.3 Dry Dry Dry -- mg/L 01/17/08 - 13.94 -- -- Dry -- mg/ L 07/30/08 7.74 7.89 Dry Dry Dry Dry mg/L 01/21/09 11.48 12.6 8.29 8.13 Dry 6.21 Mg 07/14/09 6.71 7.31 Dry 3.78 Dry Dry mg 01/07/10 14.72 15.01 9.14 11.00 - 10.22 (Verification) mg/L 01/20/10 - - -- -- 9.60 -- mg/L 07/20/10 8.23 6.35 Dry 4.03 Dry Dry mg/ L 01/31/11 14.84 13.85 5.52 13.81 Dry 13.21 mg/L 07/18/11 4.10 3.91 Dry 4.60 Dry 4.86 mg/L 01/24/12 15.54 13.32 15.82 12.71 Dry 11.85 mg/L 07/18/12 10.75 10.01 Dry Dry Dry Dry mg/L 01/22/13 - - -- -- Dry -- mg/L 07/15/13 8.98 7.34 5.82 8.73 - 6.47 mg/L 01/27/14 11.38 12.15 9.58 8.44 - 7.32 mg/L 07/15/14 7.56 6.53 Dry 6.04 - 9.82 mg/L 01/20/15 11.36 10.79 10.46 11.29 - 9.10 mg/L 07/23/15 6.38 5.66 Dry Dry - Dry mg/L 01/12/16 11.81 13.77 11.27 11.91 - 1.65 mg/L 08/01/16 6.98 6.64 6.65 6.56 - Dry mg/L 01/18/17 8.66 8.53 6.19 6.50 - Dry mg/L 07/24/17 4.44 7.23 7.46 Dry - Dry mg/L 02/20/18 10.44 9.96 8.60 7.83 - 15.10 mg/L 08/08/18 6.95 6.50 -- 5.13 - 0.12 mg/L 01/16/19 11.78 11.84 9.29 9.98 - 5.47 (Verification) mg/L 02/21/19 - - 5.04 -- - -- Mgt L 08/14/19 7.34 6.37 Dry 4.77 - 0.14 mg/L 01/13/20 8.32 9.29 6.53 9.64 - 8.32 mg/L 0811020 1 6.82 1 7.40 Dry 6.82 Dry Notes: mg/L = milligrams per liter -- = no data available S.U. Standard Units NTU = Nephelomet is Turbidity Units ND = Not detected at the staled reporting limit uS/cm= microsiemens per centimeter Monitoring point SW-6 was omitted from the monitoring network during the latest revision to the facility's WQMP Project No. 20140083 GGOLDER Page 3 of November 2020 Project No. 20140083 Table 8 Summary of Detected Leachate Parameters Rowan County Landfill (Active MSW and Closed C&D Facilities) Permit No. 80-03 Detected Monitoring Constituents/Analytes Units Sample Date MDL MRL SWS Reporting Limit Leachate Blanks Antimony ug/L 09/27/06 -- -- 30 ND -- ug/L 01/31/07 -- -- 6 0.73 J ND ug/L 07/12/07 -- -- 6 4.34 J ND ug/L 01/17/08 -- -- 6 2.85 J ND ug/L 07/30/08 -- -- 6 1.8 J ND ug/L 01/22/09 -- -- 6 1.62 J ND ug/L 07/14/09 -- -- 6 3.04 J ND ug/L 01/07/10 -- -- 6 3.46 J ND ug/L 07/20/10 -- -- 6 3.79 J ND ug/L 01/31/11 -- -- 6 ND ND ug/L 07/18/11 -- -- 6 ND ND ug/L 01/25/12 -- -- 6 1.92 J ND ug/L 07/18/12 -- -- 6 5.52 J ND ug/L 01/23/13 -- -- 6 ND 0.35 J ug/L 07/17/13 -- -- 6 ND ND ug/L 01/27/14 -- -- 6 ND ND ug/L 07/16/14 -- -- 6 2.61 J ND ug/L 01/20/15 -- -- 6 9.66 J ND ug/L 07/23/15 -- -- 6 3.32 J ND ug/L 01/12/16 -- -- 6 ND ND ug/L 08/01/16 -- -- 6 ND ND ug/L 01/19/17 3.7 -- 6 ND ND ug/L 07/27/17 3.7 -- 6 ND ND ug/L 02/20/18 3.7 -- 6 ND ND ug/L 08/08/18 1.85 5.00 -- 2.32 J ND ug/L 01/16/19 3.7 10.0 -- ND ND ug/L 08/15/19 3.7 10.0 -- ND ND ug/L 01/16/20 3.7 10.0 -- ND ND ug/L 08/12/20 3.70 10.0 -- ND ND Arsenic ug/L 09/27/06 -- -- 10 ND -- ug/L 01/31/07 -- -- 10 ND ND ug/L 07/12/07 -- -- 10 ND ND ug/L 01/17/08 -- -- 10 ND ND ug/L 07/30/08 -- -- 10 ND 3.2 J ug/L 01 /22/09 -- -- 10 ND ND ug/L 07/14/09 -- -- 10 10.8 B 3.84 J ug/L 01/07/10 -- -- 10 3.94 J ND ug/L 07/20/10 -- -- 10 14 ND ug/L 01/31/11 -- -- 10 ND ND ug/L 07/18/11 -- -- 10 7.59 J ND ug/L 01/25/12 -- -- 10 ND ND ug/L 07/18/12 -- -- 10 ND ND ug/L 01/23/13 -- -- 10 ND ND ug/L 07/17/13 -- -- 10 ND ND ug/L 01/27/14 -- -- 10 ND ND ug/L 07/16/14 -- -- 10 ND ND ug/L 01/20/15 -- -- 10 ND ND ug/L 07/23/15 -- -- 10 ND ND ug/L 01/12/16 -- -- 10 ND ND ug/L 08/01/16 -- -- 10 ND ND ug/L 01/19/17 6.8 -- 10 ND ND ug/L 07/27/17 6.8 -- 10 15.3 ND ug/L 02/20/18 6.8 -- 10 ND ND ug/L 08/08/18 7.6 10.0 -- ND ND ug/L 01/16/19 7.6 10.0 -- ND ND ug/L 08/15/19 7.6 10.0 -- ND ND ug/L 01/16/20 7.6 10.0 -- ND ND ug/L 08/12/20 7.60 10.0 -- ND ND 4 GOLDER Page 1of22 November 2020 Project No. 20140083 Table 8 Summary of Detected Leachate Parameters Rowan County Landfill (Active MSW and Closed C&D Facilities) Permit No. 80-03 Detected Monitoring Constituents/Analytes Units Sample Date MDL MRL SWS Reporting Limit Leachate Blanks Barium ug/L 09/27/06 -- -- 500 ND -- ug/L 01 /31 /07 -- -- 100 381 0.2 ug/L 07/12/07 -- -- 100 357 ND ug/L 01/17/08 -- -- 100 149 ND ug/L 07/30/08 -- -- 100 702 ND ug/L 01/22/09 -- -- 100 443 ND ug/L 07/14/09 -- -- 100 585 ND ug/L 01/07/10 -- -- 100 465 0.418 J ug/L 07/20/10 -- -- 100 470 ND ug/L 01/31/11 -- -- 100 101 ND ug/L 07/18/11 -- -- 100 154 ND ug/L 01/25/12 -- -- 100 131 ND ug/L 07/18/12 -- -- 100 102 ND ug/L 01/23/13 -- -- 100 131 1.24 J ug/L 07/17/13 -- -- 100 208 1.75 J ug/L 01/27/14 -- -- 100 182 1.18 J ug/L 07/16/14 -- -- 100 124 ND ug/L 01/20/15 -- -- 100 435 1.01 J ug/L 07/23/15 -- -- 100 150 ND ug/L 01/12/16 -- -- 100 236 ND ug/L 08/01/16 -- -- 100 178 ND ug/L 01/19/17 1 -- 100 183 ND ug/L 07/27/17 1 -- 100 683 2.03 J ug/L 02/20/18 1 -- 100 279 ND ug/L 08/08/18 1.1 10.0 -- 141 3.31 J ug/L 01/16/19 1.1 10.0 -- 631 ND ug/L 08/15/19 1.1 10.0 -- 640 ND ug/L 01/16/20 1.1 10.0 -- 562 1.11 J ug/L 08/12/20 1.10 10.0 -- 604 ND ug/L 08/12/20 0.160 1.00 -- ND ND Cadmium ug/L 09/27/06 -- -- 1 ND -- ug/L 01/31/07 -- -- 1 ND ND ug/L 07/12/07 -- -- 1 ND ND ug/L 01/17/08 -- -- 1 ND ND ug/L 07/30/08 -- -- 1 ND ND ug/L 01 /22/09 -- -- 1 ND ND ug/L 07/14/09 -- -- 1 0.534 J ND ug/L 01/07/10 -- -- 1 ND ND ug/L 07/20/10 -- -- 1 ND ND ug/L 01/31/11 -- -- 1 ND ND ug/L 07/18/11 -- -- 1 ND ND ug/L 01/25/12 -- -- 1 ND ND ug/L 07/18/12 -- -- 1 ND ND ug/L 01/23/13 -- -- 1 ND ND ug/L 07/17/13 -- -- 1 ND ND ug/L 01/27/14 -- -- 1 ND ND ug/L 07/16/14 -- -- 1 ND ND ug/L 01/20/15 -- -- 1 ND ND ug/L 07/23/15 -- -- 1 ND ND ug/L 01/12/16 -- -- 1 ND ND ug/L 08/01/16 -- -- 1 ND ND ug/L 01/19/17 0.36 -- 1 ND ND ug/L 07/27/17 0.36 -- 1 0.629 J ND ug/L 02/20/18 0.36 -- 1 ND ND ug/L 08/08/18 0.36 1.00 -- ND ND ug/L 01/16/19 0.36 1.00 -- ND ND ug/L 08/15/19 0.36 1.00 -- ND ND ug/L 01/16/20 0.36 1.00 -- ND ND ug/L 08/12/20 0.360 1.00 -- ND ND 4 GOL❑ER Page 2of22 November 2020 Project No. 20140083 Table 8 Summary of Detected Leachate Parameters Rowan County Landfill (Active MSW and Closed C&D Facilities) Permit No. 80-03 Detected Monitoring Constituents/Analytes Units Sample Date MDL MRL SWS Reporting Limit Leachate Blanks Chromium ug/L 09/27/06 -- -- 10 ND -- ug/L 01/31/07 -- -- 10 ND ND ug/L 07/12/07 -- -- 10 ND ND ug/L 01/17/08 -- -- 10 ND ND ug/L 07/30/08 -- -- 10 ND ND ug/L 01/22/09 -- -- 10 ND ND ug/L 07/14/09 -- -- 10 0.534 J ND ug/L 01/07/10 -- -- 10 12 ND ug/L 07/20/10 -- -- 10 14.5 ND ug/L 01/31/11 -- -- 10 4.5 J ND ug/L 07/18/11 -- -- 10 4.07 J ND ug/L 01/25/12 -- -- 10 7 J ND ug/L 07/18/12 -- -- 10 4.21 J ND ug/L 01/23/13 -- -- 10 4.92 B 1.5 J ug/L 07/17/13 -- -- 10 4.34 J ND ug/L 01/27/14 -- -- 10 9.33 J ND ug/L 07/16/14 -- -- 10 4.43 J ND ug/L 01/20/15 -- -- 10 36.4 ND ug/L 07/23/15 -- -- 10 5.66 J ND ug/L 01/12/16 -- -- 10 6.37 J ND ug/L 08/01/16 -- -- 10 2.73 J ND ug/L 01/19/17 1.4 -- 10 3.49 J ND ug/L 07/27/17 1.4 -- 10 31.6 ND ug/L 02/20/18 1.4 -- 10 10.7 ND ug/L 08/08/18 1.4 10.0 -- 3.35 B 1.66 J ug/L 01/16/19 1.4 10.0 -- 13.6 ND ug/L 08/15/19 1.4 10.0 -- 17.5 ND ug/L 01/16/20 1.4 10.0 -- 7.58 J ND ug/L 08/12/20 1.40 10.0 -- 22.7 ND Cobalt ug/L 09/27/06 -- -- 10 11.4 ND ug/L 01 /31 /07 -- -- 10 5.6 J ND ug/L 07/12/07 -- -- 10 19.8 ND ug/L 01/17/08 -- -- 10 25.8 ND ug/L 07/30/08 -- -- 10 9.4 J 1.1 J ug/L 01/22/09 -- -- 10 14.3 1.5 J ug/L 07/14/09 -- -- 10 19.2 ND ug/L 01/07/10 -- -- 10 14.3 ND ug/L 07/20/10 -- -- 10 12.2 ND ug/L 01/31/11 -- -- 10 8.21 J ND ug/L 07/18/11 -- -- 10 8.26 J ND ug/L 01/25/12 -- -- 10 7.77 J ND ug/L 07/18/12 -- -- 10 7.68 J ND ug/L 01/23/13 -- -- 10 6.57 J ND ug/L 07/17/13 -- -- 10 9.38 J ND ug/L 01/27/14 -- -- 10 12.2 ND ug/L 07/16/14 -- -- 10 8.42 J ND ug/L 01/20/15 -- -- 10 20.4 ND ug/L 07/23/15 -- -- 10 12.6 ND ug/L 01/12/16 -- -- 10 16.2 ND ug/L 08/01/16 -- -- 10 10.1 ND ug/L 01/19/17 1.1 -- 10 17.4 ND ug/L 07/27/17 1.1 -- 10 23.0 ND ug/L 02/20/18 1.1 -- 10 42.0 1.22 J ug/L 08/08/18 1.4 10.0 -- 10.5 ND ug/L 01/16/19 1.4 10.0 -- 8.16 J ND ug/L 08/15/19 1.4 10.0 -- 11.0 ND ug/L 01/16/20 1.4 10.0 -- 4.75 J ND ug/L 08/12/20 1.40 10.0 -- 12.3 ND GOL❑ER Page 3of22 November 2020 Project No. 20140083 Table 8 Summary of Detected Leachate Parameters Rowan County Landfill (Active MSW and Closed C&D Facilities) Permit No. 80-03 Detected Monitoring Constituents/Analytes Units Sample Date MDL MRL SWS Reporting Limit Leachate Blanks Copper ug/L 09/27/06 -- -- 200 ND -- ug/L 01/31/07 -- -- 10 ND ND ug/L 07/12/07 -- -- 10 ND ND ug/L 01/17/08 -- -- 10 ND ND ug/L 07/30/08 -- -- 10 ND ND ug/L 01/22/09 -- -- 10 ND ND ug/L 07/14/09 -- -- 10 ND 1.04 J ug/L 01/07/10 -- -- 10 ND ND ug/L 07/20/10 -- -- 10 ND 3.50 J ug/L 01/31/11 -- -- 10 1.91 J ND ug/L 07/18/11 -- -- 10 ND ND ug/L 01/25/12 -- -- 10 ND ND ug/L 07/18/12 -- -- 10 ND ND ug/L 01/23/13 -- -- 10 ND ND ug/L 07/17/13 -- -- 10 ND ND ug/L 01/27/14 -- -- 10 ND ND ug/L 07/16/14 -- -- 10 ND ND ug/L 01/20/15 -- -- 10 2.88 J ND ug/L 07/23/15 -- -- 10 ND 1.90 J ug/L 01/12/16 -- -- 10 4.66 B ND ug/L 08/01/16 -- -- 10 4.55 J ND ug/L 01/19/17 1.6 -- 10 3.72 B 4.80 J ug/L 07/27/17 1.6 -- 10 4.26 J 4.18 J ug/L 02/20/18 1.6 -- 10 ND ND ug/L 08/08/18 1.6 10.0 -- ND ND ug/L 01/16/19 1.6 10.0 -- ND ND ug/L 08/15/19 1.6 10.0 -- ND ND ug/L 01/16/20 1.6 10.0 -- ND ND ug/L 08/12/20 1.60 10.0 -- 1.61 J ND Lead ug/L 09/27/06 -- -- 10 ND -- ug/L 01/31/07 -- -- 10 ND ND ug/L 07/12/07 -- -- 10 3.3 J ND ug/L 01/17/08 -- -- 10 5.5 J ND ug/L 07/30/08 -- -- 10 ND ND ug/L 01/22/09 -- -- 10 ND ND ug/L 07/14/09 -- -- 10 7.04 B 3.4 J ug/L 01/07/10 -- -- 10 5.12 B 1.58 J ug/L 07/20/10 -- -- 10 6.4 J ND ug/L 01/31/11 -- -- 10 ND ND ug/L 07/18/11 -- -- 10 ND ND ug/L 01/25/12 -- -- 10 ND ND ug/L 07/18/12 -- -- 10 2.79 B 2.87 J ug/L 01/23/13 -- -- 10 3.07 B 1.97 J ug/L 07/17/13 -- -- 10 ND ND ug/L 01/27/14 -- -- 10 ND ND ug/L 07/16/14 -- -- 10 ND ND ug/L 01/20/15 -- -- 10 ND ND ug/L 07/23/15 -- -- 10 ND ND ug/L 01/12/16 -- -- 10 3.95 J ND ug/L 08/01/16 -- -- 10 ND ND ug/L 01/19/17 3.1 -- 10 ND ND ug/L 07/27/17 3.1 -- 10 11.2 ND ug/L 02/20/18 3.1 -- 10 ND ND ug/L 08/08/18 3.1 10.0 -- ND ND ug/L 01/16/19 3.1 10.0 -- 3.20 J ND ug/L 08/15/19 3.1 10.0 -- ND ND ug/L 01/16/20 3.1 10.0 -- ND ND ug/L 08/12/20 3.10 10.0 -- ND ND GOL❑ER Page 4of22 November 2020 Project No. 20140083 Table 8 Summary of Detected Leachate Parameters Rowan County Landfill (Active MSW and Closed C&D Facilities) Permit No. 80-03 Detected Monitoring Constituents/Analytes Units Sample Date MDL MRL SWS Reporting Limit Leachate Blanks Nickel ug/L 09/27/06 -- -- 50 ND -- ug/L 01/31/07 -- -- 50 15.1 ND ug/L 07/12/07 -- -- 50 34.5 J ND ug/L 01/17/08 -- -- 50 17.4 J ND ug/L 07/30/08 -- -- 50 21.4 B 12.4 J ug/L 01/22/09 -- -- 50 20.6 J ND ug/L 07/14/09 -- -- 50 39.1 J 0.882 J ug/L 01/07/10 -- -- 50 22 J ND ug/L 07/20/10 -- -- 50 30.8 J ND ug/L 01/31/11 -- -- 50 20.9 J ND ug/L 07/18/11 -- -- 50 21.6 J ND ug/L 01/25/12 -- -- 50 20.6 J ND ug/L 07/18/12 -- -- 50 20.8 J ND ug/L 01/23/13 -- -- 50 21.3 J ND ug/L 07/17/13 -- -- 50 27 J ND ug/L 01/27/14 -- -- 50 26.3 J ND ug/L 07/16/14 -- -- 50 27.4 J ND ug/L 01/20/15 -- -- 50 61.2 ND ug/L 07/23/15 -- -- 50 38.1 J ND ug/L 01/12/16 -- -- 50 12.3 J ND ug/L 08/01/16 -- -- 50 10.7 J ND ug/L 01/19/17 2.2 -- 50 10.2 J ND ug/L 07/27/17 2.2 -- 50 18.1 J ND ug/L 02/20/18 2.2 -- 50 15.7 J ND ug/L 08/08/18 2.2 10.0 -- 21.0 ND ug/L 01/16/19 2.2 10.0 -- 29.4 ND ug/L 08/15/19 2.2 10.0 -- 43.2 ND ug/L 01/16/20 2.2 10.0 -- 19.1 ND ug/L 08/12/20 2.20 10.0 -- 47.9 ND Silver ug/L 09/27/06 -- -- 10 ND -- ug/L 01/31/07 -- -- 10 ND ND ug/L 07/12/07 -- -- 10 ND ND ug/L 01/17/08 -- -- 10 ND ND ug/L 07/30/08 -- -- 10 ND ND ug/L 01/22/09 -- -- 10 ND 2.1 J ug/L 07/14/09 -- -- 10 1.11 J ND ug/L 01/07/10 -- -- 10 2.6 J ND ug/L 07/20/10 -- -- 10 ND ND ug/L 01/31/11 -- -- 10 ND ND ug/L 07/18/11 -- -- 10 ND ND ug/L 01/25/12 -- -- 10 ND ND ug/L 07/18/12 -- -- 10 ND ND ug/L 01/23/13 -- -- 10 ND ND ug/L 07/17/13 -- -- 10 ND ND ug/L 01/27/14 -- -- 10 ND ND ug/L 07/16/14 -- -- 10 2.07 J ND ug/L 01/20/15 -- -- 10 ND 3.39 J ug/L 07/23/15 -- -- 10 ND ND ug/L 01/12/16 -- -- 10 ND ND ug/L 08/01/16 -- -- 10 ND ND ug/L 01/19/17 1.9 -- 10 ND ND ug/L 07/27/17 1.9 -- 10 ND ND ug/L 02/20/18 1.9 -- 10 2.33 J ND ug/L 08/08/18 1.9 10.0 -- ND ND ug/L 01/16/19 1.9 10.0 -- ND ND ug/L 08/15/19 1.9 10.0 -- ND ND ug/L 01 /16/20 1.9 10.0 -- ND ND ug/L 08/12/20 1.90 10.0 -- ND ND 4 GOLDER Page 5of22 November 2020 Project No. 20140083 Table 8 Summary of Detected Leachate Parameters Rowan County Landfill (Active MSW and Closed C&D Facilities) Permit No. 80-03 Detected Monitoring Constituents/Analytes Units Sample Date MDL MRL SWS Reporting Limit Leachate Blanks Thallium ug/L 09/27/06 -- -- 10 ND -- ug/L 01/31/07 -- -- 5.5 ND ND ug/L 07/12/07 -- -- 5.5 ND ND ug/L 01/17/08 -- -- 5.5 0.083 J ND ug/L 07/30/08 -- -- 5.5 ND ND ug/L 01/22/09 -- -- 5.5 ND 0.096 J ug/L 07/14/09 -- -- 5.5 ND ND ug/L 01/07/10 -- -- 5.5 ND ND ug/L 07/20/10 -- -- 5.5 2.85 J ND ug/L 01/31/11 -- -- 5.5 ND ND ug/L 07/18/11 -- -- 5.5 ND ND ug/L 01/25/12 -- -- 5.5 ND ND ug/L 07/18/12 -- -- 5.5 ND ND ug/L 01/23/13 -- -- 5.5 ND ND ug/L 07/17/13 -- -- 5.5 ND ND ug/L 01/27/14 -- -- 5.5 ND ND ug/L 07/16/14 -- -- 5.5 ND ND ug/L 01/20/15 -- -- 5.5 ND ND ug/L 07/23/15 -- -- 5.5 ND ND ug/L 01/12/16 -- -- 5.5 ND ND ug/L 08/01/16 -- -- 5.5 2.21 J ND ug/L 01/19/17 1.1 -- 5.5 9.09 J ND ug/L 07/27/17 1.1 -- 5.5 ND ND ug/L 02/20/18 1.1 -- 5.5 ND ND ug/L 08/08/18 0.550 5.00 -- ND ND ug/L 01/16/19 1.1 10.0 -- ND ND ug/L 08/15/19 1.1 10.0 -- ND ND ug/L 01 /16/20 1.1 10.0 -- ND ND ug/L 08/12/20 1.10 10.0 -- ND ND Vanadium ug/L 09/27/06 -- -- 40 ND -- ug/L 01/31/07 -- -- 25 ND ND ug/L 07/12/07 -- -- 25 ND ND ug/L 01/17/08 -- -- 25 ND ND ug/L 07/30/08 -- -- 25 ND ND ug/L 01/22/09 -- -- 25 ND 1.4 J ug/L 07/14/09 -- -- 25 8.09 J ND ug/L 01/07/10 -- -- 25 4.77 J ND ug/L 07/20/10 -- -- 25 14.1 J ND ug/L 01/31/11 -- -- 25 ND ND ug/L 07/18/11 -- -- 25 ND ND ug/L 01/25/12 -- -- 25 ND ND ug/L 07/18/12 -- -- 25 1.95 J ND ug/L 01/23/13 -- -- 25 ND ND ug/L 07/17/13 -- -- 25 ND ND ug/L 01/27/14 -- -- 25 2.67 J ND ug/L 07/16/14 -- -- 25 ND ND ug/L 01/20/15 -- -- 25 13.1 J ND ug/L 07/23/15 -- -- 25 ND ND ug/L 01/12/16 -- -- 25 3.71 J ND ug/L 08/01/16 -- -- 25 4.98 J ND ug/L 01/19/17 1.4 -- 25 ND ND ug/L 07/27/17 1.4 -- 25 15.1 J ND ug/L 02/20/18 1.4 -- 25 6.20 J ND ug/L 08/08/18 1.4 10.0 -- ND ND ug/L 01/16/19 1.4 10.0 -- 6.29 J ND ug/L 08/15/19 1.4 10.0 -- 10.6 ND ug/L 01/16/20 1.4 10.0 -- 2.64 J ND ug/L 08/12/20 1.40 10.0 -- 12.4 ND 4 GOLDER Page 6of22 November 2020 Project No. 20140083 Table 8 Summary of Detected Leachate Parameters Rowan County Landfill (Active MSW and Closed C&D Facilities) Permit No. 80-03 Detected Monitoring Constituents/Analytes Units Sample Date MDL MRL SWS Reporting Limit Leachate Blanks Zinc ug/L 09/27/06 -- -- 50 94.5 ND ug/L 01 /31 /07 -- -- 10 117 1.4 ug/L 07/12/07 -- -- 10 1120 ND ug/L 01/17/08 -- -- 10 1200 ND ug/L 07/30/08 -- -- 10 51.9 ND ug/L 01/22/09 -- -- 10 104 ND ug/L 07/14/09 -- -- 10 166 ND ug/L 01/07/10 -- -- 10 247 ND ug/L 07/20/10 -- -- 10 494 ND ug/L 01/31/11 -- -- 10 83.8 ND ug/L 07/18/11 -- -- 10 50 ND ug/L 01/25/12 -- -- 10 69.2 ND ug/L 07/18/12 -- -- 10 39.2 ND ug/L 01/23/13 -- -- 10 46.6 ND ug/L 07/17/13 -- -- 10 27 ND ug/L 01/27/14 -- -- 10 44.7 ND ug/L 07/16/14 -- -- 10 22.7 ND ug/L 01/20/15 -- -- 10 72.5 ND ug/L 07/23/15 -- -- 10 24.6 ND ug/L 01/12/16 -- -- 10 51.3 ND ug/L 08/01/16 -- -- 10 12.6 ND ug/L 01/19/17 4.4 -- 10 10.3 ND ug/L 07/27/17 4.4 -- 10 684 ND ug/L 02/20/18 4.4 -- 10 263 ND ug/L 08/08/18 4.4 10.0 -- 11.9 ND ug/L 01/16/19 4.4 10.0 -- 5.61 J ND ug/L 08/15/19 4.4 10.0 -- 6.70 J ND ug/L 01/16/20 4.4 10.0 -- 7.64 J ND ug/L 08/12/20 4.40 10.0 -- ND ND Acetone ug/L 09/27/06 -- -- 100 ND ND ug/L 01 /31 /07 -- -- 100 20 ND ug/L 07/12/07 -- -- 100 1200 0.93 J ug/L 01/17/08 -- -- 100 660 ND ug/L 07/30/08 -- -- 100 800 ND ug/L 01/22/09 -- -- 100 1700 ND ug/L 07/14/09 -- -- 100 670 ND ug/L 01/07/10 -- -- 100 1000 ND ug/L 07/20/10 -- -- 100 2000 ND ug/L 01/31/11 -- -- 100 ND ND ug/L 07/18/11 -- -- 100 ND ND ug/L 01/25/12 -- -- 100 5.8 J ND ug/L 07/18/12 -- -- 100 13 J ND ug/L 01/23/13 -- -- 100 ND ND ug/L 07/17/13 -- -- 100 ND ND ug/L 01/27/14 -- -- 100 36 J ND ug/L 07/16/14 -- -- 100 ND ND ug/L 01/20/15 -- -- 100 660 ND ug/L 07/23/15 -- -- 100 ND ND ug/L 01/12/16 -- -- 100 ND ND ug/L 08/01/16 -- -- 100 ND ND ug/L 01/19/17 10 -- 100 150 ND ug/L 07/27/17 10 -- 100 2700 ND ug/L 02/20/18 50 -- 100 870 ND ug/L 08/08/18 10 20 -- ND ND ug/L 01/16/19 10 20 -- 200 ND ug/L 08/15/19 10 20 -- 170 ND ug/L 01/16/20 10 20 -- ND ND ug/L 08/12/20 10 20 -- 21 ND 4 GOL❑ER Page 7of22 November 2020 Project No. 20140083 Table 8 Summary of Detected Leachate Parameters Rowan County Landfill (Active MSW and Closed C&D Facilities) Permit No. 80-03 Detected Monitoring Constituents/Analytes Units Sample Date MDL MRL SWS Reporting Limit Leachate Blanks Benzene ug/L 09/27/06 -- -- 5 ND ND ug/L 01/31/07 -- -- 3 ND ND ug/L 07/12/07 -- -- 1 ND ND ug/L 01/17/08 -- -- 1 5.2 ND ug/L 07/30/08 -- -- 1 6 J ND ug/L 01/22/09 -- -- 1 51 ND ug/L 07/14/09 -- -- 1 25 ND ug/L 01/07/10 -- -- 1 25 ND ug/L 07/20/10 -- -- 1 30 ND ug/L 01/31/11 -- -- 1 ND ND ug/L 07/18/11 -- -- 1 ND ND ug/L 01/25/12 -- -- 1 ND ND ug/L 07/18/12 -- -- 1 ND ND ug/L 01/23/13 -- -- 1 ND ND ug/L 07/17/13 -- -- 1 ND ND ug/L 01/27/14 -- -- 1 ND ND ug/L 07/16/14 -- -- 1 ND ND ug/L 01/20/15 -- -- 1 ND ND ug/L 07/23/15 -- -- 1 ND ND ug/L 01/12/16 -- -- 1 ND ND ug/L 08/01/16 -- -- 1 ND ND ug/L 01/19/17 0.15 -- 1 ND ND ug/L 07/27/17 0.15 -- 1 12 J ND ug/L 02/20/18 0.15 -- 1 ND ND ug/L 08/08/18 0.15 1.0 -- ND ND ug/L 01/16/19 0.15 1.0 -- 0.76 J ND ug/L 08/15/19 0.15 1.0 -- ND ND ug/L 01/16/20 0.15 1.0 -- ND ND ug/L 08/12/20 0.15 1.0 -- ND ND Carbon disulfide ug/L 09/27/06 -- -- 100 ND ND ug/L 01 /31 /07 -- -- 100 0.9 J ND ug/L 07/12/07 -- -- 100 ND ND ug/L 01/17/08 -- -- 100 ND ND ug/L 07/30/08 -- -- 100 ND ND ug/L 01 /22/09 -- -- 100 ND ND ug/L 07/14/09 -- -- 100 ND ND ug/L 01/07/10 -- -- 100 ND ND ug/L 07/20/10 -- -- 100 ND ND ug/L 01/31/11 -- -- 100 ND ND ug/L 07/18/11 -- -- 100 ND ND ug/L 01/25/12 -- -- 100 ND ND ug/L 07/18/12 -- -- 100 ND ND ug/L 01/23/13 -- -- 100 ND ND ug/L 07/17/13 -- -- 100 ND ND ug/L 01/27/14 -- -- 100 ND ND ug/L 07/16/14 -- -- 100 ND ND ug/L 01/20/15 -- -- 100 ND ND ug/L 07/23/15 -- -- 100 ND ND ug/L 01/12/16 -- -- 100 ND ND ug/L 08/01/16 -- -- 100 ND ND ug/L 01/19/17 1.5 -- 100 ND ND ug/L 07/27/17 -- -- 100 ND ND ug/L 02/20/18 7.5 -- 100 ND ND ug/L 08/08/18 1.5 5.0 -- ND ND ug/L 01/16/19 1.5 5.0 -- ND ND ug/L 08/15/19 1.5 5.0 -- ND ND ug/L 01/16/20 1.5 5.0 -- ND ND ug/L 08/12/20 1.5 5.0 -- ND ND 4 GOL❑ER Page 8of22 November 2020 Project No. 20140083 Table 8 Summary of Detected Leachate Parameters Rowan County Landfill (Active MSW and Closed C&D Facilities) Permit No. 80-03 Detected Monitoring Constituents/Analytes Units Sample Date MDL MRL SWS Reporting Limit Leachate Blanks Chlorobenzene ug/L 09/27/06 -- -- 5 ND ND ug/L 01/31/07 -- -- 3 ND ND ug/L 07/12/07 -- -- 3 ND ND ug/L 01/17/08 -- -- 3 ND ND ug/L 07/30/08 -- -- 3 ND ND ug/L 01 /22/09 -- -- 3 ND ND ug/L 07/14/09 -- -- 3 ND ND ug/L 01/07/10 -- -- 3 2.2 J ND ug/L 07/20/10 -- -- 3 ND ND ug/L 01/31/11 -- -- 3 ND ND ug/L 07/18/11 -- -- 3 ND ND ug/L 01/25/12 -- -- 3 ND ND ug/L 07/18/12 -- -- 3 ND ND ug/L 01/23/13 -- -- 3 ND ND ug/L 07/17/13 -- -- 3 ND ND ug/L 01/27/14 -- -- 3 ND ND ug/L 07/16/14 -- -- 3 ND ND ug/L 01/20/15 -- -- 3 ND ND ug/L 07/23/15 -- -- 3 ND ND ug/L 01/12/16 -- -- 3 ND ND ug/L 08/01/16 -- -- 3 ND ND ug/L 01/19/17 0.17 -- 3 ND ND ug/L 07/27/17 0.17 -- 3 ND ND ug/L 02/20/18 0.85 -- 3 ND ND ug/L 08/08/18 0.17 1.0 -- ND ND ug/L 01/16/19 0.17 1.0 -- ND ND ug/L 08/15/19 0.17 1.0 -- ND ND ug/L 01/16/20 0.17 1.0 -- ND ND ug/L 08/12/20 0.17 1.0 -- ND ND 1,4-Dichlorobenzene ug/L 09/27/06 -- -- 5 ND ND ug/L 01/31/07 -- -- 3 ND ND ug/L 07/12/07 -- -- 1 8.7 ND ug/L 01/17/08 -- -- 1 ND ND ug/L 07/30/08 -- -- 1 6.5 J ND ug/L 01/22/09 -- -- 1 12 ND ug/L 07/14/09 -- -- 1 15 ND ug/L 01/07/10 -- -- 1 15 ND ug/L 07/20/10 -- -- 1 15 J ND ug/L 01/31/11 -- -- 1 ND ND ug/L 07/18/11 -- -- 1 ND ND ug/L 01/25/12 -- -- 1 ND ND ug/L 07/18/12 -- -- 1 ND ND ug/L 01/23/13 -- -- 1 ND ND ug/L 07/17/13 -- -- 1 ND ND ug/L 01/27/14 -- -- 1 ND ND ug/L 07/16/14 -- -- 1 ND ND ug/L 01/20/15 -- -- 1 ND ND ug/L 07/23/15 -- -- 1 ND ND ug/L 01/12/16 -- -- 1 ND ND ug/L 08/01/16 -- -- 1 ND ND ug/L 01/19/17 0.19 -- 1 ND ND ug/L 07/27/17 0.19 -- 1 ND ND ug/L 02/20/18 0.19 -- 1 ND ND ug/L 08/08/18 0.19 1.0 -- ND ND ug/L 01/16/19 0.19 1.0 -- 1.2 ND ug/L 08/15/19 0.19 1.0 -- 1.8 ND ug/L 01/16/20 0.19 1.0 -- ND ND ug/L 08/12/20 0.19 1.0 -- 1.7 ND 4 GOLDER Page 9of22 November 2020 Project No. 20140083 Table 8 Summary of Detected Leachate Parameters Rowan County Landfill (Active MSW and Closed C&D Facilities) Permit No. 80-03 Detected Monitoring Constituents/Analytes Units Sample Date MDL MRL SWS Reporting Limit Leachate Blanks 1,1-Dichloroethane ug/L 09/27/06 -- -- 5 ND ND ug/L 01/31/07 -- -- 5 ND ND ug/L 07/12/07 -- -- 5 5.2 ND ug/L 01/17/08 -- -- 5 ND ND ug/L 07/30/08 -- -- 5 ND ND ug/L 01/22/09 -- -- 5 11 ND ug/L 07/14/09 -- -- 5 6.8 ND ug/L 01/07/10 -- -- 5 9.4 ND ug/L 07/20/10 -- -- 5 ND ND ug/L 01/31/11 -- -- 5 ND ND ug/L 07/18/11 -- -- 5 ND ND ug/L 01/25/12 -- -- 5 ND ND ug/L 07/18/12 -- -- 5 ND ND ug/L 01/23/13 -- -- 5 ND ND ug/L 07/17/13 -- -- 5 ND ND ug/L 01/27/14 -- -- 5 ND ND ug/L 07/16/14 -- -- 5 ND ND ug/L 01/20/15 -- -- 5 ND ND ug/L 07/23/15 -- -- 5 ND ND ug/L 01/12/16 -- -- 5 ND ND ug/L 08/01/16 -- -- 5 ND ND ug/L 01/19/17 0.13 -- 5 ND ND ug/L 07/27/17 0.13 -- 5 ND ND ug/L 02/20/18 0.13 -- 5 ND ND ug/L 08/08/18 0.13 1.0 -- ND ND ug/L 01/16/19 0.13 1.0 -- ND ND ug/L 08/15/19 0.13 1.0 -- ND ND ug/L 01/16/20 0.13 1.0 -- ND ND ug/L 08/12/20 0.13 1.0 -- ND ND 1,2-Dichloroethane ug/L 09/27/06 -- -- 5 ND ND ug/L 01/31/07 -- -- 3 ND ND ug/L 07/12/07 -- -- 1 ND ND ug/L 01/17/08 -- -- 1 ND ND ug/L 07/30/08 -- -- 1 ND ND ug/L 01/22/09 -- -- 1 24 ND ug/L 07/14/09 -- -- 1 9.5 ND ug/L 01/07/10 -- -- 1 10 ND ug/L 07/20/10 -- -- 1 ND ND ug/L 01/31/11 -- -- 1 ND ND ug/L 07/18/11 -- -- 1 ND ND ug/L 01/25/12 -- -- 1 ND ND ug/L 07/18/12 -- -- 1 ND ND ug/L 01/23/13 -- -- 1 ND ND ug/L 07/17/13 -- -- 1 ND ND ug/L 01/27/14 -- -- 1 ND ND ug/L 07/16/14 -- -- 1 ND ND ug/L 01/20/15 -- -- 1 ND ND ug/L 07/23/15 -- -- 1 ND ND ug/L 01/12/16 -- -- 1 ND ND ug/L 08/01/16 -- -- 1 ND ND ug/L 01/19/17 0.21 -- 1 ND ND ug/L 07/27/17 0.21 -- 1 ND ND ug/L 02/20/18 0.21 -- 1 ND ND ug/L 08/08/18 0.21 1.0 -- ND ND ug/L 01/16/19 0.21 1.0 -- 0.53 J ND ug/L 08/15/19 0.21 1.0 -- 0.81 J ND ug/L 01/16/20 0.21 1.0 -- ND ND ug/L 08/12/20 0.21 1.0 -- 0.80 J ND 4 GOLDER Page 10of22 November 2020 Project No. 20140083 Table 8 Summary of Detected Leachate Parameters Rowan County Landfill (Active MSW and Closed C&D Facilities) Permit No. 80-03 Detected Monitoring Constituents/Analytes Units Sample Date MDL MRL SWS Reporting Limit Leachate Blanks cis-1,2-Dichloroethene ug/L 09/27/06 -- -- 5 ND ND ug/L 01/31/07 -- -- 5 ND ND ug/L 07/12/07 -- -- 5 3.8 J ND ug/L 01/17/08 -- -- 5 5 ND ug/L 07/30/08 -- -- 5 4.1 J ND ug/L 01/22/09 -- -- 5 13 ND ug/L 07/14/09 -- -- 5 8.2 ND ug/L 01/07/10 -- -- 5 8.4 ND ug/L 07/20/10 -- -- 5 12 J ND ug/L 01/31/11 -- -- 5 ND ND ug/L 07/18/11 -- -- 5 ND ND ug/L 01/25/12 -- -- 5 ND ND ug/L 07/18/12 -- -- 5 ND ND ug/L 01/23/13 -- -- 5 ND ND ug/L 07/17/13 -- -- 5 ND ND ug/L 01/27/14 -- -- 5 ND ND ug/L 07/16/14 -- -- 5 ND ND ug/L 01/20/15 -- -- 5 ND ND ug/L 07/23/15 -- -- 5 ND ND ug/L 01/12/16 -- -- 5 ND ND ug/L 08/01/16 -- -- 5 ND ND ug/L 01/19/17 0.15 -- 5 ND ND ug/L 07/27/17 0.15 -- 5 ND ND ug/L 02/20/18 0.15 -- 5 ND ND ug/L 08/08/18 0.15 1.0 -- ND ND ug/L 01/16/19 0.15 1.0 -- ND ND ug/L 08/15/19 0.15 1.0 -- ND ND ug/L 01/16/20 0.15 1.0 -- ND ND ug/L 08/12/20 0.15 1.0 -- ND ND Ethylbenzene ug/L 09/27/06 -- -- 5 ND ND ug/L 01/31/07 -- -- 5 ND ND ug/L 07/12/07 -- -- 1 36 ND ug/L 01/17/08 -- -- 1 24 ND ug/L 07/30/08 -- -- 1 48 ND ug/L 01/22/09 -- -- 1 72 ND ug/L 07/14/09 -- -- 1 73 ND ug/L 01/07/10 -- -- 1 85 ND ug/L 07/20/10 -- -- 1 75 ND ug/L 01/31/11 -- -- 1 ND ND ug/L 07/18/11 -- -- 1 ND ND ug/L 01/25/12 -- -- 1 ND ND ug/L 07/18/12 -- -- 1 ND ND ug/L 01/23/13 -- -- 1 ND ND ug/L 07/17/13 -- -- 1 ND ND ug/L 01/27/14 -- -- 1 ND ND ug/L 07/16/14 -- -- 1 ND ND ug/L 01/20/15 -- -- 1 ND ND ug/L 07/23/15 -- -- 1 ND ND ug/L 01/12/16 -- -- 1 ND ND ug/L 08/01/16 -- -- 1 ND ND ug/L 01/19/17 0.13 -- 1 ND ND ug/L 07/27/17 0.13 -- 1 68 ND ug/L 02/20/18 0.13 -- 1 ND ND ug/L 08/08/18 0.13 1.0 -- ND ND ug/L 01/16/19 0.13 1.0 -- 1.2 ND ug/L 08/15/19 0.13 1.0 -- ND ND ug/L 01/16/20 0.13 1.0 -- ND ND ug/L 08/12/20 0.13 1.0 -- ND ND 4 GOLDER Page 11of22 November 2020 Project No. 20140083 Table 8 Summary of Detected Leachate Parameters Rowan County Landfill (Active MSW and Closed C&D Facilities) Permit No. 80-03 Detected Monitoring Constituents/Analytes Units Sample Date MDL MRL SWS Reporting Limit Leachate Blanks Bromomethane ug/L 09/27/06 -- -- 10 ND ND ug/L 01/31/07 -- -- 10 ND ND ug/L 07/12/07 -- -- 10 ND ND ug/L 01/17/08 -- -- 10 ND ND ug/L 07/30/08 -- -- 10 ND ND ug/L 01 /22/09 -- -- 10 ND ND ug/L 07/14/09 -- -- 10 ND ND ug/L 01/07/10 -- -- 10 ND ND ug/L 07/20/10 -- -- 10 ND ND ug/L 01/31/11 -- -- 10 ND ND ug/L 07/18/11 -- -- 10 ND ND ug/L 01/25/12 -- -- 10 5.6 J ND ug/L 07/18/12 -- -- 10 ND ND ug/L 01/23/13 -- -- 10 ND ND ug/L 07/17/13 -- -- 10 ND ND ug/L 01/27/14 -- -- 10 ND ND ug/L 07/16/14 -- -- 10 ND ND ug/L 01/20/15 -- -- 10 ND ND ug/L 07/23/15 -- -- 10 ND ND ug/L 01/12/16 -- -- 10 ND ND ug/L 08/01/16 -- -- 10 ND ND ug/L 01/19/17 0.14 -- 10 ND ND ug/L 07/27/17 0.14 -- 10 ND ND ug/L 02/20/18 0.14 -- 10 ND ND ug/L 08/08/18 0.14 1.0 -- ND ND ug/L 01/16/19 0.14 1.0 -- ND ND ug/L 08/15/19 0.14 1.0 -- ND ND ug/L 01/16/20 0.14 1.0 -- ND ND ug/L 08/12/20 0.14 1.0 -- ND ND Chloromethane ug/L 09/27/06 -- -- 10 ND ND ug/L 01/31/07 -- -- 5.5 1.4 ND ug/L 07/12/07 -- -- 1 ND ND ug/L 01/17/08 -- -- 1 ND ND ug/L 07/30/08 -- -- 1 ND ND ug/L 01 /22/09 -- -- 1 ND ND ug/L 07/14/09 -- -- 1 ND ND ug/L 01/07/10 -- -- 1 ND ND ug/L 07/20/10 -- -- 1 ND ND ug/L 01/31/11 -- -- 1 ND ND ug/L 07/18/11 -- -- 1 ND ND ug/L 01/25/12 -- -- 1 ND ND ug/L 07/18/12 -- -- 1 ND ND ug/L 01/23/13 -- -- 1 ND ND ug/L 07/17/13 -- -- 1 ND ND ug/L 01/27/14 -- -- 1 ND ND ug/L 07/16/14 -- -- 1 ND ND ug/L 01/20/15 -- -- 1 ND ND ug/L 07/23/15 -- -- 1 ND ND ug/L 01/12/16 -- -- 1 ND ND ug/L 08/01/16 -- -- 1 ND ND ug/L 01/19/17 0.13 -- 1 ND ND ug/L 07/27/17 0.13 -- 1 ND ND ug/L 02/20/18 0.13 -- 1 ND ND ug/L 08/08/18 0.13 1.0 -- ND ND ug/L 01/16/19 0.13 1.0 -- ND ND ug/L 08/15/19 0.13 1.0 -- ND ND ug/L 01/16/20 0.13 1.0 -- ND ND ug/L 08/12/20 0.13 1.0 -- ND ND 4 GOLDER Page 12of22 November 2020 Project No. 20140083 Table 8 Summary of Detected Leachate Parameters Rowan County Landfill (Active MSW and Closed C&D Facilities) Permit No. 80-03 Detected Monitoring Constituents/Analytes Units Sample Date MDL MRL SWS Reporting Limit Leachate Blanks Methylene chloride ug/L 09/27/06 -- -- 10 ND ND ug/L 01 /31 /07 -- -- 5.5 ND 0.34 ug/L 07/12/07 -- -- 1 44 ND ug/L 01/17/08 -- -- 1 16 ND ug/L 07/30/08 -- -- 1 32 ND ug/L 01/22/09 -- -- 1 130 ND ug/L 07/14/09 -- -- 1 16 ND ug/L 01/07/10 -- -- 1 30 ND ug/L 07/20/10 -- -- 1 25 ND ug/L 01/31/11 -- -- 1 ND ND ug/L 07/18/11 -- -- 1 ND ND ug/L 01/25/12 -- -- 1 ND ND ug/L 07/18/12 -- -- 1 ND ND ug/L 01/23/13 -- -- 1 ND ND ug/L 07/17/13 -- -- 1 ND ND ug/L 01/27/14 -- -- 1 ND ND ug/L 07/16/14 -- -- 1 ND ND ug/L 01/20/15 -- -- 1 ND ND ug/L 07/23/15 -- -- 1 ND ND ug/L 01/12/16 -- -- 1 ND ND ug/L 08/01/16 -- -- 1 ND ND ug/L 01/19/17 0.23 -- 1 ND ND ug/L 07/27/17 0.23 -- 1 ND ND ug/L 02/20/18 0.23 -- 1 ND ND ug/L 08/08/18 0.23 1.0 -- ND 0.47 J ug/L 01/16/19 0.23 1.0 -- ND ND ug/L 08/15/19 0.23 1.0 -- ND ND ug/L 01/16/20 0.23 1.0 -- ND 0.68 J ug/L 08/12/20 0.23 1.0 -- ND ND 2-Butanone ug/L 09/27/06 -- -- 100 ND ND ug/L 01/31/07 -- -- 100 ND ND ug/L 07/12/07 -- -- 100 1900 ND ug/L 01/17/08 -- -- 100 810 ND ug/L 07/30/08 -- -- 100 1100 ND ug/L 01/22/09 -- -- 100 2400 ND ug/L 07/14/09 -- -- 100 1800 ND ug/L 01/07/10 -- -- 100 1700 ND ug/L 07/20/10 -- -- 100 2900 ND ug/L 01/31/11 -- -- 100 ND ND ug/L 07/18/11 -- -- 100 ND ND ug/L 01/25/12 -- -- 100 ND ND ug/L 07/18/12 -- -- 100 ND ND ug/L 01/23/13 -- -- 100 ND ND ug/L 07/17/13 -- -- 100 ND ND ug/L 01/27/14 -- -- 100 24 J ND ug/L 07/16/14 -- -- 100 ND ND ug/L 01/20/15 -- -- 100 790 ND ug/L 07/23/15 -- -- 100 ND ND ug/L 01/12/16 -- -- 100 ND ND ug/L 08/01/16 -- -- 100 ND ND ug/L 01/19/17 1.3 -- 100 150 ND ug/L 07/27/17 1.3 -- 100 5100 ND ug/L 02/20/18 1.3 -- 100 600 ND ug/L 08/08/18 1.3 5.0 -- ND ND ug/L 01/16/19 1.3 5.0 -- 71 ND ug/L 08/15/19 1.3 5.0 -- ND ND ug/L 01/16/20 1.3 5.0 -- ND ND ug/L 08/12/20 1.3 5.0 -- 3.4 J ND 4 GOLDER Page 13of22 November 2020 Project No. 20140083 Table 8 Summary of Detected Leachate Parameters Rowan County Landfill (Active MSW and Closed C&D Facilities) Permit No. 80-03 Detected Monitoring Constituents/Analytes Units Sample Date MDL MRL SWS Reporting Limit Leachate Blanks lodomethane ug/L 09/27/06 -- -- 10 ND ND ug/L 01/31/07 -- -- 10 3.1 ND ug/L 07/12/07 -- -- 10 ND ND ug/L 01/17/08 -- -- 10 ND ND ug/L 07/30/08 -- -- 10 ND ND ug/L 01 /22/09 -- -- 10 ND ND ug/L 07/14/09 -- -- 10 ND ND ug/L 01/07/10 -- -- 10 ND ND ug/L 07/20/10 -- -- 10 ND ND ug/L 01/31/11 -- -- 10 ND ND ug/L 07/18/11 -- -- 10 ND ND ug/L 01/25/12 -- -- 10 ND ND ug/L 07/18/12 -- -- 10 ND ND ug/L 01/23/13 -- -- 10 ND ND ug/L 07/17/13 -- -- 10 ND ND ug/L 01/27/14 -- -- 10 ND ND ug/L 07/16/14 -- -- 10 ND ND ug/L 01/20/15 -- -- 10 ND ND ug/L 07/23/15 -- -- 10 ND ND ug/L 01/12/16 -- -- 10 ND ND ug/L 08/01/16 -- -- 10 ND ND ug/L 01/19/17 1.7 -- 10 ND ND ug/L 07/27/17 1.7 -- 10 ND ND ug/L 02/20/18 1.7 -- 10 ND ND ug/L 08/08/18 1.7 5.0 -- ND ND ug/L 01/16/19 1.7 5.0 -- ND ND ug/L 08/15/19 1.7 5.0 -- ND ND ug/L 01/16/20 1.7 5.0 -- ND ND ug/L 08/12/20 1.7 5.0 -- ND ND 4-Methyl-2-pentanone ug/L 09/27/06 -- -- 100 ND ND ug/L 01/31/07 -- -- 100 ND ND ug/L 07/12/07 -- -- 100 31 J ND ug/L 01/17/08 -- -- 100 29 J ND ug/L 07/30/08 -- -- 100 65 J ND ug/L 01/22/09 -- -- 100 180 ND ug/L 07/14/09 -- -- 100 140 ND ug/L 01/07/10 -- -- 100 70 J ND ug/L 07/20/10 -- -- 100 120 ND ug/L 01/31/11 -- -- 100 ND ND ug/L 07/18/11 -- -- 100 ND ND ug/L 01/25/12 -- -- 100 ND ND ug/L 07/18/12 -- -- 100 ND ND ug/L 01/23/13 -- -- 100 ND ND ug/L 07/17/13 -- -- 100 ND ND ug/L 01/27/14 -- -- 100 1.5 J ND ug/L 07/16/14 -- -- 100 ND ND ug/L 01/20/15 -- -- 100 ND ND ug/L 07/23/15 -- -- 100 ND ND ug/L 01/12/16 -- -- 100 ND ND ug/L 08/01/16 -- -- 100 ND ND ug/L 01/19/17 1.1 -- 100 4.1 J ND ug/L 07/27/17 1.1 -- 100 88 J ND ug/L 02/20/18 1.1 -- 100 5.8 J ND ug/L 08/08/18 1.1 5.0 -- ND ND ug/L 01/16/19 1.1 5.0 -- 7.8 ND ug/L 08/15/19 1.1 5.0 -- 5.3 ND ug/L 01 /16/20 1.1 5.0 -- ND ND ug/L 08/12/20 1.1 5.0 -- 1.6 J ND 4 GOLDER Page 14of22 November 2020 Project No. 20140083 Table 8 Summary of Detected Leachate Parameters Rowan County Landfill (Active MSW and Closed C&D Facilities) Permit No. 80-03 Detected Monitoring Constituents/Analytes Units Sample Date MDL MRL SWS Reporting Limit Leachate Blanks Styrene ug/L 09/27/06 -- -- 10 ND ND ug/L 01/31/07 -- -- 10 ND ND ug/L 07/12/07 -- -- 1 7.1 ND ug/L 01/17/08 -- -- 1 ND ND ug/L 07/30/08 -- -- 1 11 ND ug/L 01/22/09 -- -- 1 45 ND ug/L 07/14/09 -- -- 1 21 ND ug/L 01/07/10 -- -- 1 16 ND ug/L 07/20/10 -- -- 1 24 ND ug/L 01/31/11 -- -- 1 ND ND ug/L 07/18/11 -- -- 1 ND ND ug/L 01/25/12 -- -- 1 ND ND ug/L 07/18/12 -- -- 1 ND ND ug/L 01/23/13 -- -- 1 ND ND ug/L 07/17/13 -- -- 1 ND ND ug/L 01/27/14 -- -- 1 ND ND ug/L 07/16/14 -- -- 1 ND ND ug/L 01/20/15 -- -- 1 ND ND ug/L 07/23/15 -- -- 1 ND ND ug/L 01/12/16 -- -- 1 ND ND ug/L 08/01/16 -- -- 1 ND ND ug/L 01/19/17 0.11 -- 1 ND ND ug/L 07/27/17 0.11 -- 1 8.2 J ND ug/L 02/20/18 0.11 -- 1 ND ND ug/L 08/08/18 0.11 1.0 -- ND ND ug/L 01/16/19 0.11 1.0 -- ND ND ug/L 08/15/19 0.11 1.0 -- ND ND ug/L 01/16/20 0.11 1.0 -- ND ND ug/L 08/12/20 0.11 1.0 -- 0.67 J ND Tetrachloroethene ug/L 09/27/06 -- -- 5 ND ND ug/L 01/31/07 -- -- 3 ND ND ug/L 07/12/07 -- -- 1 ND ND ug/L 01/17/08 -- -- 1 ND ND ug/L 07/30/08 -- -- 1 ND ND ug/L 01/22/09 -- -- 1 8.1 J ND ug/L 07/14/09 -- -- 1 2.7 J ND ug/L 01/07/10 -- -- 1 2 J ND ug/L 07/20/10 -- -- 1 ND ND ug/L 01/31/11 -- -- 1 ND ND ug/L 07/18/11 -- -- 1 ND ND ug/L 01/25/12 -- -- 1 ND ND ug/L 07/18/12 -- -- 1 ND ND ug/L 01/23/13 -- -- 1 ND ND ug/L 07/17/13 -- -- 1 ND ND ug/L 01/27/14 -- -- 1 ND ND ug/L 07/16/14 -- -- 1 ND ND ug/L 01/20/15 -- -- 1 ND ND ug/L 07/23/15 -- -- 1 ND ND ug/L 01/12/16 -- -- 1 ND ND ug/L 08/01/16 -- -- 1 ND ND ug/L 01/19/17 0.17 -- 1 ND ND ug/L 07/27/17 0.17 -- 1 ND ND ug/L 02/20/18 0.85 -- 1 ND ND ug/L 08/08/18 0.17 1.0 -- ND ND ug/L 01/16/19 0.17 1.0 -- ND ND ug/L 08/15/19 0.17 1.0 -- ND ND ug/L 01/16/20 0.17 1.0 -- ND ND ug/L 08/12/20 0.17 1.0 -- ND ND 4 GOLDER Page 15of22 November 2020 Project No. 20140083 Table 8 Summary of Detected Leachate Parameters Rowan County Landfill (Active MSW and Closed C&D Facilities) Permit No. 80-03 Detected Monitoring Constituents/Analytes Units Sample Date MDL MRL SWS Reporting Limit Leachate Blanks Toluene ug/L 09/27/06 -- -- 5 ND ND ug/L 01/31/07 -- -- 5 ND ND ug/L 07/12/07 -- -- 1 130 0.48 J ug/L 01/17/08 -- -- 1 100 ND ug/L 07/30/08 -- -- 1 190 ND ug/L 01/22/09 -- -- 1 520 ND ug/L 07/14/09 -- -- 1 280 ND ug/L 01/07/10 -- -- 1 270 ND ug/L 07/20/10 -- -- 1 300 ND ug/L 01/31/11 -- -- 1 ND ND ug/L 07/18/11 -- -- 1 ND ND ug/L 01/25/12 -- -- 1 ND ND ug/L 07/18/12 -- -- 1 ND ND ug/L 01/23/13 -- -- 1 ND ND ug/L 07/17/13 -- -- 1 ND ND ug/L 01/27/14 -- -- 1 ND ND ug/L 07/16/14 -- -- 1 ND ND ug/L 01/20/15 -- -- 1 ND ND ug/L 07/23/15 -- -- 1 ND ND ug/L 01/12/16 -- -- 1 ND ND ug/L 08/01/16 -- -- 1 ND ND ug/L 01/19/17 0.14 -- 1 ND ND ug/L 07/27/17 0.14 -- 1 360 ND ug/L 02/20/18 0.70 -- 1 ND ND ug/L 08/08/18 0.14 1.0 -- ND ND ug/L 01/16/19 0.14 1.0 -- 0.96 J ND ug/L 08/15/19 0.14 1.0 -- ND ND ug/L 01/16/20 0.14 1.0 -- ND ND ug/L 08/12/20 0.14 1.0 -- ND ND Trichloroethene ug/L 09/27/06 -- -- 5 ND ND ug/L 01/31/07 -- -- 3 ND ND ug/L 07/12/07 -- -- 1 ND ND ug/L 01/17/08 -- -- 1 ND ND ug/L 07/30/08 -- -- 1 ND ND ug/L 01/22/09 -- -- 1 8.3 J ND ug/L 07/14/09 -- -- 1 2 ND ug/L 01/07/10 -- -- 1 ND ND ug/L 07/20/10 -- -- 1 ND ND ug/L 01/31/11 -- -- 1 ND ND ug/L 07/18/11 -- -- 1 ND ND ug/L 01/25/12 -- -- 1 ND ND ug/L 07/18/12 -- -- 1 ND ND ug/L 01/23/13 -- -- 1 ND ND ug/L 07/17/13 -- -- 1 ND ND ug/L 01/27/14 -- -- 1 ND ND ug/L 07/16/14 -- -- 1 ND ND ug/L 01/20/15 -- -- 1 ND ND ug/L 07/23/15 -- -- 1 ND ND ug/L 01/12/16 -- -- 1 ND ND ug/L 08/01/16 -- -- 1 ND ND ug/L 01/19/17 0.15 -- 1 ND ND ug/L 07/27/17 0.15 -- 1 ND ND ug/L 02/20/18 0.15 -- 1 ND ND ug/L 08/08/18 0.15 1.0 -- ND ND ug/L 01/16/19 0.15 1.0 -- ND ND ug/L 08/15/19 0.15 1.0 -- ND ND ug/L 01/16/20 0.15 1.0 -- ND ND ug/L 08/12/20 0.15 1.0 -- ND ND 4 GOLDER Page 16of22 November 2020 Project No. 20140083 Table 8 Summary of Detected Leachate Parameters Rowan County Landfill (Active MSW and Closed C&D Facilities) Permit No. 80-03 Detected Monitoring Units Sample Date MDL MRL SWS Reporting Limit Leachate Blanks Constituents/Analytes Vinyl chloride ug/L 09/27/06 -- -- 10 ND ND ug/L 01/31/07 -- -- 5.5 ND ND ug/L 07/12/07 -- -- 1 ND ND ug/L 01/17/08 -- -- 1 ND ND ug/L 07/30/08 -- -- 1 ND ND ug/L 01/22/09 -- -- 1 5.8 J ND ug/L 07/14/09 -- -- 1 5.4 ND ug/L 01/07/10 -- -- 1 6.7 ND ug/L 07/20/10 -- -- 1 ND ND ug/L 01/31/11 -- -- 1 ND ND ug/L 07/18/11 -- -- 1 ND ND ug/L 01/25/12 -- -- 1 ND ND ug/L 07/18/12 -- -- 1 ND ND ug/L 01/23/13 -- -- 1 ND ND ug/L 07/17/13 -- -- 1 ND ND ug/L 01/27/14 -- -- 1 ND ND ug/L 07/16/14 -- -- 1 ND ND ug/L 01/20/15 -- -- 1 ND ND ug/L 07/23/15 -- -- 1 ND ND ug/L 01/12/16 -- -- 1 ND ND ug/L 08/01/16 -- -- 1 ND ND ug/L 01/19/17 0.32 -- 1 ND ND ug/L 07/27/17 0.32 -- 1 ND ND ug/L 02/20/18 0.32 -- 1 ND ND ug/L 08/08/18 0.32 1.0 -- ND ND ug/L 01/16/19 0.32 1.0 -- ND ND ug/L 08/15/19 0.32 1.0 -- ND ND ug/L 01/16/20 0.32 1.0 -- ND ND ug/L 08/12/20 0.32 1.0 -- ND ND Xylenes (total) ug/L 09/27/06 -- -- 5 ND ND ug/L 01/31/07 -- -- 4 ND ND ug/L 07/12/07 -- -- 4 93 ND ug/L 01/17/08 -- -- 5 69 ND ug/L 07/30/08 -- -- 5 100 ND ug/L 01/22/09 -- -- 5 210 ND ug/L 07/14/09 -- -- 5 180 ND ug/L 01/07/10 -- -- 5 220 ND ug/L 07/20/10 -- -- 5 170 ND ug/L 01/31/11 -- -- 5 ND ND ug/L 07/18/11 -- -- 5 ND ND ug/L 01/25/12 -- -- 5 ND ND ug/L 07/18/12 -- -- 5 ND ND ug/L 01/23/13 -- -- 5 ND ND ug/L 07/17/13 -- -- 5 ND ND ug/L 01/27/14 -- -- 5 ND ND ug/L 07/16/14 -- -- 5 ND ND ug/L 01/20/15 -- -- 5 8.6 J ND ug/L 07/23/15 -- -- 5 ND ND ug/L 01/12/16 -- -- 5 ND ND ug/L 08/01/16 -- -- 5 ND ND ug/L 01/19/17 0.45 -- 5 ND ND ug/L 07/27/17 0.45 -- 5 74 ND ug/L 02/20/18 0.45 -- 5 ND ND ug/L 08/08/18 0.45 3.0 -- ND ND ug/L 01/16/19 0.45 3.0 -- 5.4 ND ug/L 08/15/19 0.45 3.0 -- 0.87 J ND ug/L 01/16/20 0.45 3.0 -- ND ND ug/L 08/12/20 0.45 3.0 -- 1.6 J ND 1,4-Dioxane ug/L 01/16/20 4.0 10.0 -- 120 ND 4 GOLDER Page 17of22 November 2020 Project No. 20140083 Table 8 Summary of Detected Leachate Parameters Rowan County Landfill (Active MSW and Closed C&D Facilities) Permit No. 80-03 Detected Monitoring Constituents/Analytes Units Sample Date MDL MRL SWS Reporting Limit Leachate Blanks Nitrate mg/L 09/27/06 -- -- -- 32.1 ND mg/L 01 /31 /07 -- -- -- 18.2 ND mg/L 07/12/07 -- -- -- 0.013 ND mg/L 01/17/08 -- -- 10 4.1 J 0.006 J mg/L 07/30/08 -- -- 10 ND ND mg/L 01 /22/09 -- -- 10 ND ND mg/L 07/14/09 -- -- 10 0.033 J ND mg/L 01 /07/10 -- -- 10 0.072 J ND mg/L 07/20/10 -- -- 10 0.099 J ND mg/L 01/31/11 -- -- 10 6 J ND mg/L 07/18/11 -- -- 10 ND ND mg/L 01/25/12 -- -- 10 2 J ND mg/L 07/18/12 -- -- 10 2.6 J ND mg/L 01/23/13 -- -- 10 21 ND mg/L 07/17/13 -- -- 10 ND ND mg/L 01 /27/14 -- -- 10 7 J ND mg/L 07/16/14 -- -- 10 0.1 J ND mg/L 01 /20/15 -- -- 10 0.17 J ND mg/L 07/23/15 -- -- 10 ND ND mg/L 01/12/16 -- -- 10 0.2 J ND mg/L 08/01/16 -- -- 10 ND ND mg/L 01/19/17 0.025 -- 10 0.71 J ND mg/L 07/27/17 0.025 -- 10 0.11 J ND mg/L 02/20/18 0.025 -- 10 0.065 J ND mg/L 08/08/18 0.025 0.1 -- ND ND mg/L 01/16/19 0.025 0.1 -- 0.056 J ND mg/L 08/15/19 0.025 0.1 -- ND ND mg/L 01 /16/20 0.025 0.1 -- 0.074 J ND mg/L 08/12/20 0.000041 0.0001 -- ND ND Sulfate mg/L 09/27/06 -- -- -- 33 ND mg/L 01 /31 /07 -- -- -- 7.8 ND mg/L 07/12/07 -- -- 250 14 J ND mg/L 01 /17/08 -- -- 250 90 J ND mg/L 07/30/08 -- -- 250 2.7 J ND mg/L 01 /22/09 -- -- 250 ND ND mg/L 07/14/09 -- -- 250 2.4 J ND mg/L 01 /07/10 -- -- 250 1.7 J ND mg/L 07/20/10 -- -- 250 3.8 J ND mg/L 01 /31 /11 -- -- 250 11 J ND mg/L 07/18/11 -- -- 250 10 J ND mg/L 01 /25/12 -- -- 250 6.6 J ND mg/L 07/18/12 -- -- 250 8.8 J ND mg/L 01/23/13 -- -- 250 8.6 J ND mg/L 07/17/13 -- -- 250 18 J 1.5 J mg/L 01 /27/14 -- -- 250 25 J ND mg/L 07/16/14 -- -- 250 22 J ND mg/L 01 /20/15 -- -- 250 14 J ND mg/L 07/23/15 -- -- 250 28 J ND mg/L 01/12/16 -- -- 250 12 J ND mg/L 08/01 /16 -- -- 250 9.4 J ND mg/L 01/19/17 2.9 -- 250 20 J ND mg/L 07/27/17 2.9 -- 250 32 J ND mg/L 02/20/18 2.9 -- 250 65 J ND mg/L 08/08/18 2.9 5 -- 38 ND mg/L 01/16/19 2.9 5 -- 9.2 ND mg/L 08/15/19 2.9 5 -- 22 ND mg/L 01 /16/20 2.9 5 -- 52 ND mg/L 08/12/20 2.9 5 -- 20 ND GOL❑ER Page 18of22 November 2020 Project No. 20140083 Table 8 Summary of Detected Leachate Parameters Rowan County Landfill (Active MSW and Closed C&D Facilities) Permit No. 80-03 Detected Monitoring Constituents/Analytes Units Sample Date MDL MRL SWS Reporting Limit Leachate Blanks Biochemical Oxygen Demand mg/L 09/27/06 -- -- -- 36 ND mg/L 01 /31 /07 -- -- -- 41 ND mg/L 07/12/07 -- -- -- 980 ND mg/L 01/17/08 -- -- -- 600 ND mg/L 07/30/08 -- -- -- 130 ND mg/L 01 /22/09 -- -- -- 150 ND mg/L 07/14/09 -- -- -- 100 ND mg/L 01/07/10 -- -- -- 250 ND mg/L 07/20/10 -- -- -- 430 ND mg/L 01/31/11 -- -- -- 9 ND mg/L 07/18/11 -- -- -- 14 ND mg/L 01/25/12 -- -- -- 13 ND mg/L 07/18/12 -- -- -- 15 ND mg/L 01/23/13 -- -- -- 14 ND mg/L 07/17/13 -- -- -- 16 ND mg/L 01/27/14 -- -- -- 21 ND mg/L 07/16/14 -- -- -- 17 ND mg/L 01/20/15 -- -- -- 100 ND mg/L 07/23/15 -- -- -- 10 ND mg/L 01/12/16 -- -- -- 42 ND mg/L 08/01/16 -- -- -- 11 ND mg/L 01/19/17 2 -- -- 20 ND mg/L 07/27/17 2 -- -- >2 ND mg/L 02/20/18 2 -- -- 25 ND mg/L 08/08/18 2 2 -- 17 ND mg/L 01/16/19 2 2 -- 36 ND mg/L 08/15/19 2 2 -- 43 ND mg/L 01/16/20 2 2 -- 27 ND mg/L 08/12/20 2 2 -- 44 ND Chemical Oxygen Demand mg/L 09/27/06 -- -- -- 225 ND mg/L 01 /31 /07 -- -- -- 75 ND mg/L 07/12/07 -- -- -- 1600 ND mg/L 01/17/08 -- -- -- 960 ND mg/L 07/30/08 -- -- -- 480 ND mg/L 01/22/09 -- -- -- 550 ND mg/L 07/14/09 -- -- -- 560 ND mg/L 01/07/10 -- -- -- 810 3.9 J mg/L 07/20/10 -- -- -- 990 ND mg/L 01/31/11 -- -- -- 180 ND mg/L 07/18/11 -- -- -- 200 ND mg/L 01/25/12 -- -- -- 180 ND mg/L 07/18/12 -- -- -- 210 ND mg/L 01/23/13 -- -- -- 180 ND mg/L 07/17/13 -- -- -- 200 ND mg/L 01/27/14 -- -- -- 290 ND mg/L 07/16/14 -- -- -- 210 ND mg/L 01/20/15 -- -- -- 760 ND mg/L 07/23/15 -- -- -- 300 ND mg/L 01/12/16 -- -- -- 220 ND mg/L 08/01/16 -- -- -- 130 ND mg/L 01/19/17 10 -- -- 120 ND mg/L 07/27/17 10 -- -- 3100 ND mg/L 02/20/18 10 -- -- 500 ND mg/L 08/08/18 10 10 -- 190 ND mg/L 01 /16/19 10 10 -- 380 ND mg/L 08/15/19 10 10 -- 560 ND mg/L 01 /16/20 10 10 -- 310 ND mg/L 08/12/20 20 20 -- 580 ND 4 GOLDER Page 19of22 November 2020 Project No. 20140083 Table 8 Summary of Detected Leachate Parameters Rowan County Landfill (Active MSW and Closed C&D Facilities) Permit No. 80-03 Detected Monitoring Constituents/Analytes Units Sample Date MDL MRL SWS Reporting Limit Leachate Blanks Phosphorus mg/L 09/27/06 -- -- -- 0.09 ND mg/L 01 /31 /07 -- -- -- 0.044 ND mg/L 07/12/07 -- -- -- 0.39 ND mg/L 01 /17/08 -- -- -- 0.5 ND mg/L 07/30/08 -- -- -- 0.53 ND mg/L 01 /22/09 -- -- -- 0.23 ND mg/L 07/14/09 -- -- -- 0.72 ND mg/L 01 /07/10 -- -- -- 0.54 ND mg/L 07/20/10 -- -- -- 1.3 ND mg/L 01/31/11 -- -- -- 0.13 ND mg/L 07/18/11 -- -- -- 0.17 ND mg/L 01/25/12 -- -- -- 0.15 ND mg/L 07/18/12 -- -- -- 0.17 ND mg/L 01/23/13 -- -- -- 0.16 ND mg/L 07/17/13 -- -- -- 0.24 ND mg/L 01/27/14 -- -- -- 0.27 ND mg/L 07/16/14 -- -- -- 0.22 ND mg/L 01 /20/15 -- -- -- 0.86 ND mg/L 07/23/15 -- -- -- 0.15 ND mg/L 01/12/16 -- -- -- 0.41 ND mg/L 08/01 /16 -- -- -- 0.21 ND mg/L 01/19/17 0.025 -- -- 0.095 J ND mg/L 07/27/17 0.025 -- -- 1.4 ND mg/L 02/20/18 0.025 -- -- 1 ND mg/L 08/08/18 0.025 0.1 -- 0.13 ND mg/L 01/16/19 0.025 0.1 -- 0.25 ND mg/L 08/15/19 0.025 0.1 -- 0.29 ND mg/L 01 /16/20 0.025 0.1 -- 0.20 ND mg/L 08/12/20 0.025 0.1 -- 0.31 ND pH (field) S.U. 09/27/06 -- -- -- 7.7 S. U. 01 /31 /07 -- -- -- 7.7 -- S.U. 07/12/07 -- -- -- 6.54 -- S.U. 01/17/08 -- -- -- 6.55 -- S.U. 07/30/08 -- -- -- 6.58 S. U. 01 /22/09 -- -- -- 8.23 -- S.U. 07/14/09 -- -- -- 8.33 -- S.U. 01/07/10 -- -- -- 7.09 -- S.U. 07/20/10 -- -- -- 6.9 -- S.U. 01/31/11 -- -- -- 8.3 -- S.U. 07/18/11 -- -- -- 8.53 -- S.U. 01/25/12 -- -- -- 7.96 -- S.U. 07/18/12 -- -- -- 6.16 -- S.U. 01/22/13 -- -- -- 8.32 -- S.U. 07/17/13 -- -- -- 8.26 -- S.U. 01/28/14 -- -- -- 8.75 -- S.U. 07/16/14 -- -- -- 8.82 -- S.U. 01/20/15 -- -- -- 7.9 -- S.U. 07/23/15 -- -- -- 8.55 -- S.U. 01/12/16 -- -- -- 9.1 -- S.U. 08/01/16 -- -- -- 7.88 -- S.U. 01/19/17 -- -- -- 7.39 -- S.U. 07/27/17 -- -- -- 6.29 -- S.U. 02/20/18 -- -- -- 8.34 -- S.U. 08/08/18 -- -- -- 8.27 -- S.U. 01/16/19 -- -- -- 7.93 -- S.U. 08/15/19 -- -- -- 8.77 -- S.U. 01/16/20 -- -- -- 7.55 -- S.U. 08/10/20 -- -- -- 8.75 -- 4 GOL❑ER Page 20of22 November 2020 Project No. 20140083 Table 8 Summary of Detected Leachate Parameters Rowan County Landfill (Active MSW and Closed C&D Facilities) Permit No. 80-03 Detected Monitoring Constituents/Analytes Units Sample Date MDL MRL SWS Reporting Limit Leachate Blanks Specific Conductance (field) PS/cm 09/27/06 -- -- -- 2170 -- p S/cm 01 /31 /07 -- -- -- 3000 -- PS/cm 07/12/07 -- -- -- 4220 -- PS/cm 01/17/08 -- -- -- 1890 -- PS/cm 07/30/08 -- -- -- 4130 -- PS/cm 01/22/09 -- -- -- 2105 -- PS/cm 07/14/09 -- -- -- 1751 -- PS/cm 01/07/10 -- -- -- 3294 -- PS/cm 07/20/10 -- -- -- 5706 -- PS/cm 01/31/11 -- -- -- 2112 -- PS/cm 07/18/11 -- -- -- 1980 -- PS/cm 01/25/12 -- -- -- 2158 -- PS/cm 07/18/12 -- -- -- 1911 -- PS/cm 01/22/13 -- -- -- 2650 -- PS/cm 07/17/13 -- -- -- 2180 -- PS/cm 01/28/14 -- -- -- 3142 -- PS/cm 07/16/14 -- -- -- 2345 -- PS/cm 01/20/15 -- -- -- 5480 -- PS/cm 07/23/15 -- -- -- 2840 -- PS/cm 01/12/16 -- -- -- 1799 -- PS/cm 08/01/16 -- -- -- 1280 -- PS/cm 01/19/17 -- -- -- 1260 -- PS/cm 07/27/17 -- -- -- 3445 -- PS/cm 02/20/18 -- -- -- 1846 -- PS/cm 08/08/18 -- -- -- 2186 -- PS/cm 01/16/19 -- -- -- 4610 -- PS/cm 08/15/19 -- -- -- 2747 -- PS/cm 01/16/20 -- -- -- 2384 -- PS/cm 08/10/20 -- -- -- 2958 -- Temperature (field) °C 09/27/06 -- -- -- 22.2 -- °C 01 /31 /07 -- -- -- 9.5 -- °C 07/12/07 -- -- -- 23.39 -- °C 01/17/08 -- -- -- 7.88 -- °C 07/30/08 -- -- -- 22.84 -- °C 01/22/09 -- -- -- 0.78 -- °C 07/14/09 -- -- -- 25 -- °C 01/07/10 -- -- -- 8.29 -- °C 07/20/10 -- -- -- 21.53 -- °C 01/31/11 -- -- -- 4.05 -- °C 07/18/11 -- -- -- 27.79 -- °C 01/25/12 -- -- -- 14.3 -- °C 07/18/12 -- -- -- 29.51 -- °C 01/22/13 -- -- -- 5.6 -- °C 07/17/13 -- -- -- 28.25 -- °C 01/28/14 -- -- -- 0.4 -- °C 07/16/14 -- -- -- 26.9 -- °C 01/20/15 -- -- -- 14.9 -- °C 07/23/15 -- -- -- 26.8 -- °C 01/12/16 -- -- -- 3 -- °C 08/01/16 -- -- -- 25.7 -- °C 01/19/17 -- -- -- 10.7 -- °C 07/27/17 -- -- -- 27.8 -- °C 02/20/18 -- -- -- 15.02 -- °C 08/08/18 -- -- -- 27.6 -- °C 01/16/19 -- -- -- 16.3 -- °C 08/15/19 -- -- -- 26.7 -- °C 01/16/20 -- -- -- 19.0 -- °C 08/10/20 -- -- -- 28.1 -- GOL❑ER Page 21of22 November 2020 Project No. 20140083 Table 8 Summary of Detected Leachate Parameters Rowan County Landfill (Active MSW and Closed C&D Facilities) Permit No. 80-03 Notes: mg/L = milligrams per liter ug/L = micrograms per liter mV = millivolts S.U. = Standard Units ND = Not detected at the stated reporting limit pS/cm = microsiemens per centimeter -- = no data B = blank -qualified result J = 2018 event, J flags are estimated values between MDL and MRL. Blanks = field, trip and method blanks SWS Reporting Limit = NCPQL prior to 2007 and NCSWSL starting in 01/31/07 MDL = Laboratory method detection limit MRL = Laboratory method reporting limit 1) L2 is no longer sampled as representative samples cannot be collected from the pipe. 2) The following dilutions were noted for the August 2020 event: antimony and thallium (10x), VOCs except 1,4-dioxane (10x), and 1,4-dioxane (5x) GOL❑ER Page 22of22 November 2020 Project No. 20140083 Table 9 Summary of Detected Constituents in Groundwater for the C&D Landfill Rowan County Landfill (Active MSW and Closed C&D Facilities) Permit 80-03 SWS Reporting C&D Monitoring Wells Detected Monitoring Constauenfe/Analytes Units Sample Date MDL MRL Blanks Llmlt Upgradlent Downgradlent MW-17 MW-18 MW-18R MW-19 Antimony ug/L 11/4I05 - -- - ND ND -- ND -- IMAC=1 ug/L ug/L IVID05 - -- - ND ND -- ND -- EPA MCL=6 ugIL ug/L 12/13/05 - -- - ND ND -- ND -- ug/L 12/22/OS - -- - ND ND -- ND -- uglL 12/30/05 - -- 30 ND ND -- ND ND ug/L 9128I06 - -- 30 -- -- -- -- ND ug/L 1 131 107 - -- 6 ND ND -- ND ND ug/L 7112107 - -- 6 ND ND -- ND ND ug/L 816/07 - -- 6 -- -- ND -- ND ug/L 1117I08 - -- 6 ND -- ND ND - ug/L 7/30/2008 - -- 6 ND -- ND ND ND ug/L 01122/09 - -- 6 ND -- ND ND ND ug/L 0]114109 - -- 6 ND -- ND ND ND ug/L 01/07/10 - -- 6 ND -- ND ND ND ug/L 0]10110 - -- 6 ND -- ND ND ND ug/L 01/31/11 - -- 6 ND -- ND ND ND ug/L 0]118111 - -- 6 ND -- ND ND ND ug/L 0]119112 - -- 6 ND -- ND ND ND ug/L 01/30/13 - -- 6 ND -- ND ND 0.35 J ug/L 0]115113 - -- 6 ND -- ND ND ND ug/L 01/27/14 - -- 6 0.422 1 -- 1.31 J ND ND ug/L 0]114114 - -- 6 ND -- ND ND ND ug/L 01/20/15 0.22 -- 6 ND -- ND ND -- ug/L 0]13115 0.22 -- 6 0.399 1 -- ND ND ND ug/L 01112/16 0.22 -- 6 0.478 B -- 0.266 B ND 0.577 1 ug/L 0BI01116 0.22 -- 6 ND -- ND ND ND ug/L 01/17/17 0.37 -- 6 ND -- ND ND ND ug/L 0]16117 0.37 -- 6 ND -- ND ND ND ug/L 02/20/18 0.37 -- 6 ND -- ND ND - ug/L 0BI08118 1.85 5.00 - ND -- ND ND ND ug/L 01/15/19 1.85 5.00 - ND -- ND ND ND ug/L 0B115119 0.74 2.00 - ND -- ND ND ND ug/L 01/13/20 0.74 2.00 - ND -- ND ND ND ug/L 08/10/20 0.74 2.00 ND ND ND ND Arsenic u9IL 11/4105 - -- - ND ND -- ND -- NC2L=10 ug/L uglL IVID05 - -- - ND ND -- ND -- EPA MCL=10 ug/L u9IL IV13105 - -- - ND ND -- ND -- u9IL 12/22/05 - -- - ND ND -- ND -- uglL IV30105 - -- 10 ND ND -- ND ND ug/L 9128106 - -- 10 ND ND -- ND ND ug/L 1131107 - -- 10 4.0 B 2.4 B -- ND 3.0 1 ug/L 7112107 - -- 10 ND ND -- ND ND ug/L 816/07 - -- 10 -- -- 5.2 1 -- ND uglL 1117108 - -- 10 ND -- ND ND ND ug/L 0]10108 - -- 10 4.2 B -- ND ND 3.2 1 ug/L 01122/09 - -- 10 ND -- ND ND ND ug/L 0]114109 - -- 10 ND -- ND ND 3.84 1 ug/L 01/07/10 - -- 10 ND -- ND ND ND ug/L 0]10110 - -- 10 ND -- ND ND ND ug/L 01/31/11 - -- 10 ND -- ND ND 4.78 J ug/L 0]118111 - -- 10 3.94 1 -- 3.45 1 4.56 J ND ug/L 01/25/12 - -- 10 ND -- ND ND ND 41. 07/19/12 - -- 10 ND -- 3.93 1 6.09 1 ND 41. 01/30/13 - -- 10 ND -- ND ND 2.98 1 41. 07/15/13 - -- 10 ND -- ND ND ND 41. 01/27/14 - -- 10 ND -- ND ND ND 41. 07/14/14 - -- 10 ND -- ND ND ND 41. 01/20/15 5.4 -- 10 ND -- ND ND ND 41. 0713115 6.8 -- 10 ND -- ND ND ND 41. 01112/16 6.8 -- 10 ND -- ND ND ND 41. 0BI01116 6.8 -- 10 ND -- ND ND ND 41. 01/17/17 6.8 -- 10 ND -- ND ND ND 41. 0716117 6.8 -- 10 ND -- ND ND NO 41. 02/20/18 6.8 -- 10 ND -- ND ND ND 41. 0BI08118 7.6 10.0 - ND -- ND ND ND 41. 01/15/19 7.6 10.0 - ND -- ND ND ND 41. 0B115119 7.6 10.0 - ND -- ND ND ND 41. 01/13/20 7.6 10.0 - ND -- ND ND ND 41. 08/10/20 7.6 10.0 ND ND ND ND ,i GOLDER Page I of 13 November 2020 Project No. 20140083 Table 9 Summary of Detected Constituents in Groundwater for the C&D Landfill Rowan County Landfill (Active MSW and Closed C&D Facilities) Permit 80-03 SWS Reporting C&D Monitoring Wells Detected MoMWring ConstauenferAnalytes Units Sample Date MDL MRL Blanks LImIt Upgradlent Downgradlent MW-17 MW-18 MW-18R MW-19 Barium uglL 11/4105 - -- - ND ND -- ND -- NC2L=700 ug/L ug1L IVID05 - -- - ND ND -- ND -- EPA MCL=2000 ug& ug1L IV13105 - -- - ND ND -- ND -- ug1L 12/22/05 - -- - ND ND -- ND -- ug1L IV30105 - -- 500 ND ND -- ND ND ug1L 9126106 - -- 500 ND ND -- ND ND ug1L 1131107 - -- 100 9A0 J 66S -- 55.5 J 0A0 J ug1L 7112107 - -- 100 12.8 J 41.9 J -- 55.9 J ND ug1L 816/07 - -- 100 -- -- 65.4 B -- 17.4 J ug1L 1117108 - -- 100 9.90 J -- 80.2 J 57.9 J ND ug/L 07/30/08 - -- 100 9.40 J -- 77.1 J 65.5 J ND ug/L 01/22/09 - -- 100 8.10 J -- 71.5 J 59.2 J ND ug/L 07/14/09 - -- 100 14.1 J -- 81.8 J 79.2 J ND ug/L 01/07/10 - -- 100 10.2 J -- 69.9 J 157 0.481 J ug/L 07/20/10 - -- 100 9.14 J -- 67.0 J 58.8 J ND ug/L 01/31/11 - -- 100 10.4 J -- 95.4 J 62.3 J ND ug/L 07/18/11 - -- 100 11.0 J -- 92.5 J 64.4 J ND ug/L 01/25/12 - -- 100 11.3 J -- 115 64.9 J ND ug/L 07/19/12 - -- 100 10.7 J -- 84.7 J 58.7 J ND ug/L 01/30/13 - -- 100 16.6 J -- 160 64.4 J 1.24 J ug/L 07/15/13 - -- 100 14.5 J -- 101 64.7 J 1.75 J ug/L 01/27/14 - -- 100 14.9 J -- 87.7 J 60.4 J 1.18 J ug/L 07/14/14 - -- 100 16.5 J -- 74.2 J 60.3 J ND ug/L 01/20/15 1 -- 100 15.7 J -- 126 66.2 J 1.01 J ug/L 07/23/15 1 -- 100 17.0 J -- 90.6 J 66.3 J ND ug/L 01/12/16 1 -- 100 17.6 J -- 120 57.1 J 1.94 J ug/L 08101/16 1 -- 100 14.9 J -- 72.6 J 68.6 J ND ug/L 01/17/17 1 -- 100 17.7 J -- 136 69.3 J ND ug/L 07/26/17 1 -- 100 18.4 J -- 99.7 J 72.4 J 2.03 J ug/L 02/20/18 1 -- 100 16.9 J -- 118 64.4 J ND ug/L 08108/18 1.1 10.0 - 18.0 -- 105 65.4 3.31 J ug/L 01/15/19 1.1 10.0 - 21.2 -- 150 71.8 ND ug/L 08115/19 1.1 10.0 - 21.3 -- 216 104 ND ug/L 01/13/20 1.1 10.0 - 22.4 -- 214 60.8 1.11 J ug/L 08110/20 1.1 10.0 25.3 115 160 ND Beryllium uglL 11/4105 - -- - ND ND -- 3.7 -- IMAC=4 ug/L uglL 12I2105 - -- - ND 5.8 -- 2.7 -- EPA MCL=4 ugIL uglL 12I3105 - -- - ND 6.5 -- ND -- uglL 12/22/05 - -- - ND 2.4 -- 3.7 -- uglL 12/30/05 - -- 2 ND 2.3 -- 3.6 ND ug1L 9126106 - -- 2 -- -- -- -- ND ug1L 1131107 - -- 1 ND 0.70 J -- ND ND ug1L 7112107 - -- 1 ND ND -- ND ND ug1L 816/07 - -- 1 -- -- ND -- ND ug1L 1117108 - -- 1 ND -- ND ND NO ug/L 0710108 - -- 1 ND -- ND ND ND ug/L 01/22/09 - -- 1 ND -- 0.10 J 020 J ND V1. 07/14/09 - -- 1 ND -- 0.142 J 0.280 J ND V1. 01/07/10 - -- 1 ND -- 0.115 J 1.59 ND V1. 0710110 - -- 1 ND -- ND 0.302 J ND V1. 01/31/11 - -- 1 ND -- 0.103 J 0.234 J ND V1. 07/18111 - -- 1 ND -- ND 0.234 J ND ug& 01/25/12 - -- 1 ND -- 0.101 J 0.182 J ND uglL 0]/19/12 - -- 1 ND -- ND 0.197 J ND uglL 01/30/13 - -- 1 ND -- 0.103 J 0.162 J ND uglL 0]/15/13 - -- 1 ND -- ND 0.226 J ND uglL 01/27/14 - -- 1 ND -- ND 0.144 J ND uglL 0]/14/14 - -- 1 ND -- ND 0.209 J ND uglL 01/20/15 0.1 -- 1 ND -- ND 0.168 J ND uglL 0]/23/15 0.1 -- 1 ND -- ND 0.149 J ND uglL 01/12J16 0.1 -- 1 ND -- ND 0.143 J ND ug& 06/01/16 0.1 -- 1 0.111 J -- 0.103 J 0.247 J 0.170 J ug& 01/17/17 0.1 -- 1 ND -- ND ND ND ug& 07/26/17 0.13 -- 1 ND -- ND ND ND ug& 02/20/18 0.13 -- 1 ND -- ND 0.201 J ND ug& 06/OB/18 0.16 7.00 - ND -- ND 0.186 J ND uglL 01/15/19 0.16 1.00 - ND -- ND 0.248 J ND ug& 06/15/19 0.16 1.00 - ND -- ND ND ND ug& 01/13/20 0.16 1.00 - ND -- ND ND ND ug/L OB/10/20 0.16 1.00 ND ND ND ND ,i GOLDER Page 2of13 No-ber2020 Project No. 20140083 Table 9 Summary of Detected Constituents in Groundwater for the C&D Landfill Rowan County Landfill (Active MSW and Closed C&D Facilities) Permit 80-03 SWS Reporting C&D Monitoring Wells Detected Monitoring Units Sample Date MDL MRL Blanks Llmlt Upgradlent DowngradleM Constituents/Analyzes MW-17 MW-18 MW-1811 MW-19 Cadmium ug/L 11/4105 - -- - ND ND -- ND -- NC2L=2 ug/L ug/L IZi Z05 - -- - ND ND -- ND -- EPA MCL=5 ug/L ug/L IZ13105 - -- - ND ND -- ND -- ug/L 12J Z05 - -- - ND ND -- ND -- ug/L IZ30105 - -- 1 ND ND -- ND ND ug/L 9126106 - -- 1 ND ND -- ND ND ug/L 1131107 - -- 1 ND ND -- ND ND ug/L 7112107 - -- 1 ND ND -- ND ND ug/L 816/07 - -- 1 -- -- ND -- ND ug/L 1117108 - -- 1 ND -- ND ND ND ug/L 07/30/08 - -- 1 0.40 B -- ND ND 0.7 J ug/L 01122J09 - -- 1 ND -- ND ND ND ug/L 07/14/09 - -- 1 0.214 J -- ND 0.148 J ND ug/L 01/07/10 - -- 1 0.260 J -- 0.144 J 0.385 J ND ug/L 0]/20/10 - -- 1 ND -- ND ND ND ug/L 01/31/11 - -- 1 ND -- ND ND ND ug/L 0]/1 all - -- 1 ND -- ND ND ND ug/L 01/25/12 - -- 1 ND -- ND ND ND ug/L 0]/19/12 - -- 1 ND -- ND ND ND uglL 01/30/13 - -- 1 ND -- ND ND ND uglL 07/15/13 - -- 1 ND -- ND ND ND 01/27/14 - -- 1 ND -- ND ND ND IuglLL 07/14/14 - -- 1 ND -- ND ND ND uglL 01/20/15 0.36 -- 1 ND -- ND ND ND uglL 0]/23/15 0.36 -- 1 ND -- ND ND ND ug/L 01/1Z16 0.36 -- 1 ND -- ND ND ND u91- OB/01/16 0.36 -- 1 ND -- ND ND ND uglL 01/17/17 0.36 -- 1 ND -- ND ND ND uglL 07/26/17 0.36 -- 1 ND -- ND ND ND uglL 02/20/18 0.36 -- 1 ND -- ND ND ND uglL Oa/08/18 0.36 1.00 - ND -- ND ND ND IL 01/15/19 0.36 1.00 - ND -- ND ND ND uglL Owl W19 0.36 1.00 - ND -- ND ND ND ugl 01/13/20 0.36 1.00 - ND -- ND ND ND ugl OW10/20 0.36 1.00 ND ND ND ND Chromium ug/L 11/4105 - -- - ND ND -- 24 -- NC2L=10T ug/L 1Z1Z05 - -- - ND 71 -- 26 -- EPA MCL = 100 ug/L u91L 1Z13/05 - -- - ND ND -- ND -- u9/L 12/22105 - -- - ND 32 -- 35 -- uglL MOM- -- 10 ND 29 -- 15 ND ug/L 9126106 - -- 10 ND ND -- ND ND ug/L 1/31107 - -- 10 ND 3.2 J -- ND ND u9/L 7/12107 - -- 10 79.2 11.6 -- 3.0 J ND ug/L 816/07 - -- 10 -- -- ND -- ND ug/L 1117108 - -- 10 ND -- 2.2 J ND ND ugl 0]/30/08 - -- 10 ND -- 4.6 B ND 14.5 uglL 01/22109 - -- 10 ND -- ND ND ND ugl 0]/14/09 - -- 10 ND -- Z32 J ND ND ugl 01/07/10 - -- 10 ND -- ND 10.5 ND ugl 0]/20/10 - -- 10 ND -- ND ND ND uglL 01/31/11 - -- 10 ND -- ND ND ND uglL 07/18/11 - -- 10 ND -- ND ND ND uglL 01/25/12 - -- 10 ND -- ND ND ND uglL 07/19/12 - -- 10 ND -- ND ND ND ug/L 01/30/13 - -- 10 ND -- ND ND 1.5 J ugl 0]M W13 - -- 10 ND -- ND ND ND ugl 01/27/14 - -- 10 ND -- ND ND ND ugl 0]/14/14 - -- 10 ND -- ND ND ND uglL 01/20/15 1.4 -- 10 ND -- ND ND ND uglL 07/23/15 1A -- 10 ND -- ND ND ND ug/L 01/1Z16 1.4 -- 10 ND -- ND ND ND ugl 06/01/16 1.4 -- 10 ND -- ND ND ND ugl 01/17/17 1.4 -- 10 ND -- ND ND ND Ua 07/26/17 1.4 -- 10 ND -- ND ND ND ugl 02/20/18 1.4 -- 10 ND -- ND ND ND ugl 08/Owls 1.4 10.0 - ND -- ND ND 1.66 J uglL 01/15/19 1.4 10.0 - ND -- ND ND ND ugl 08/15/19 1.4 10.0 - ND -- ND ND ND ugl 01/13/20 1.4 10.0 - ND -- ND 1.42 J ND ug/L OW10/20 1.4 10.0 ND Z57 J 1.53 J ND ,i GOLDER Page 3of 13 November 2020 Project No. 20140083 Table 9 Summary of Detected Constituents in Groundwater for the C&D Landfill Rowan County Landfill (Active MSW and Closed C&D Facilities) Permit 80-03 SWS Reporting C&D Monitoring Wells Detected Monitoring ConstituentsrAnalytes Units Sample Date MDL MRL Blanks Llmlt Upgradlent Downgradlent MW-17 MW-18 MW-18R MW-19 Cobalt ug/L 11/4105 - -- - ND ND -- ND -- IMAC=1 ug/L ug/L 12/12/05 - -- - ND 14 -- ND -- NoEPAMCL ug/L IV13105 - -- - ND 12 -- ND -- ug/L 12/22/05 - -- - ND ND -- 13 -- ug/L IV30105 - -- 10 ND 10 -- 10 ND ug/L 9126106 - -- 10 -- -- -- -- ND ug/L 1131107 - -- 10 ND 8.6 J -- ND ND ug/L 7112107 - -- 10 ND 3.0 J -- ND ND ug/L 816/07 - -- 10 -- -- 2.7 J -- ND ug/L 1117108 - -- 10 ND -- ND ND ND ug/L 07/30/08 - -- 10 ND -- 1.8 B ND 1.1 1 ug/L 01/22/09 - -- 10 2.1 B -- 1.7 B ND 1.5 1 ug/L 07/14/09 - -- 10 ND -- 0.807 1 ND ND ug/L 01/07/10 - -- 10 ND -- 0.766 1 4.77 J ND ug/L 07/20/10 - -- 10 ND -- ND ND ND ug/L 01/31/11 - -- 10 ND -- ND ND ND ug/L 07/18/11 - -- 10 ND -- ND ND ND ug/L 01/25/12 - -- 10 ND -- 1.10 J ND ND ug/L 07/19/12 - -- 10 ND -- ND ND ND ug/L 01/30/13 - -- 10 ND -- 1.42 J ND ND ug/L 07/15/13 - -- 10 ND -- ND ND ND ug/L 01/27/14 - -- 10 ND -- 1.66 J ND ND ug/L 07/14/14 - -- 10 ND -- ND ND ND ug/L 01/20/15 1.1 -- 10 ND -- 1.51 J ND ND ug/L 07/23/15 1.1 -- 10 ND -- 1.45 J ND ND ug/L 01/12/16 1.1 -- 10 ND -- 1.61 J ND ND ug/L 08/01/16 1.1 -- 10 ND -- 1.13 J ND ND ug/L 01/17/17 1.1 -- 10 ND - 1.90 J ND ND ug/L 07/26/17 1.1 -- 10 ND -- 1.62 J ND ND ug/L 02/20/18 1.1 -- 10 1.16 B -- 2.34 B ND 1.22 1 ug/L 08/08/18 1.4 10.0 - ND -- 2.69 1 1.83 1 ND ug/L 01/15/19 1.4 10.0 - ND -- 4.18 J ND ND ug/L 08/15/19 1.4 10.0 - ND -- 4.67 J 7.79 J ND ug/L 01/13/20 1.4 10.0 - ND -- 2.48 J ND ND ug/L 08/10/20 1.4 10.0 - ND -- 2.72 J 19.6 ND (Ved6cation Event) ug/L 10/19/20 1.4 10.0 14.0(14.2)• ND Copper ug/l. 11/4105 - -- - ND ND -- ND -- NC 2L= 1000 ug/L ug/l. 12/12/05 - -- - ND ND -- ND -- EPA MCL=1300 ug/L ug/L 12/13/05 - -- - ND ND -- ND -- ug/L 12/22/05 - -- - ND ND -- ND -- ug/L 12/30/05 - -- 200 ND ND -- ND ND ug/L 9126106 - -- 200 -- -- -- -- ND ug/L 1131107 - -- 10 ND 4.70 1 -- ND ND ug/L 7112107 - -- 10 3.70 1 ND -- ND ND ug/L 816/07 - -- 10 -- -- ND -- 4 1 ug/L 1117108 - -- 10 1.80 B -- 1.90 B 1.20 B 1.30 1 ug/L 07/30/08 - -- 10 ND -- ND ND ND ug/L 01/22/09 - -- 10 2.40 1 -- ND ND ND ug/L 07/14/09 - -- 10 1.12 B -- 1.28 B 4.03 B 1.04 1 ug/L 01/07/10 - -- 10 ND -- ND 2.34 1 ND ug/L 07/20/10 - -- 10 ND -- ND ND 3.50 1 ug/L 01/31/11 - -- 10 1.78 1 -- ND ND ND ug/L 07/18/11 - -- 10 ND -- ND ND ND ug/L 01/25/12 - -- 10 ND -- ND ND ND ug/L 07/19/12 - -- 10 ND -- ND ND ND ug/L 01/30/13 - -- 10 ND -- ND 1.87 1 ND ug/L 07/15/13 - -- 10 ND -- ND ND ND ug/L 01/27/14 - -- 10 ND -- ND ND ND ug/L 07/14/14 - -- 10 ND -- ND ND ND ug/L 01/20/15 1.6 -- 10 ND -- 1.74 1 ND ND ug/L 07/23/15 1.6 -- 10 ND -- ND ND 1.90 1 ug/L 01112/16 1.6 -- 10 ND -- ND ND 3.52 1 ug/L 08/01/16 1.6 -- 10 ND -- ND ND ND ug/L 01/17/17 1.6 -- 10 ND -- 2.32 B ND 4.80 1 ug/L 07/26/17 1.6 -- 10 1.89 B -- 1.72 B ND 4.18 1 ug/L 02/20/18 1.6 -- 10 ND -- ND ND ND ug/L 08/08/18 1.6 10.0 - ND -- ND ND ND ug/L 01/15/19 1.6 10.0 - ND -- ND ND ND ug/L Owl W19 1.6 10.0 - 1.63 J -- ND ND ND ug/L 01/13/20 1.6 10.0 - ND -- ND ND ND ug/L OW10/20 1.6 10.0 2.45 B ND ND ND ,i GOLDER Page 4of13 November 2020 Project No. 20140083 Table 9 Summary of Detected Constituents in Groundwater for the C&D Landfill Rowan County Landfill (Active MSW and Closed C&D Facilities) Permit 80-03 SWS Reporting C&D Monitoring Wells Detected Monitoring Units Sample Dale MDL MRL Blanks Llmlt Upgradlent Downgradlent Constituents/Analyzes MW-17 MW-18 MW-18R MW-19 Leatl ug/L 11/4105 - -- - ND ND -- 18 -- NC2L=15 ug/L uglL 12/12/05 - -- - ND 24 -- 16 -- EPA MCL=15 uglL uglL IV13105 - -- - ND 10 -- ND -- uglL 12/22/05 - -- - ND 11 -- 28 -- u9IL IV30105 - -- 10 ND 10 -- 23 ND u9IL 9126106 - -- 10 ND ND -- ND ND ugI 1131107 - -- 10 ND 4.0 J -- ND ND u9IL 7112107 - -- 10 ND ND -- ND ND ugI 816/07 - -- 10 -- -- ND -- ND uglL 1117108 - -- 10 ND -- ND ND ND ug/L 0710108 - -- 10 ND -- ND ND ND ug/L 01/22/09 - -- 10 ND -- ND ND ND 41. 07/14/09 - -- 10 ND -- 2.35 B ND 3.40 J 41.01/07/10 - -- 10 1.47 B -- ND 12.8 1.58 J uglL 0710110 - -- 10 ND -- ND ND ND 41. 01/31/11 - -- 10 ND -- ND ND ND 41. 07/18/11 - -- 10 ND -- ND ND ND 41. 01/25/12 - -- 10 ND -- ND ND ND 41. 07/19/12 - -- 10 ND -- ND ND ND 41. 01/30/13 - -- 10 ND -- ND ND 1.97 J 41. 07/15/13 - -- 10 ND -- ND ND ND 41. 01/27/14 - -- 10 ND -- ND ND ND 41. 07/14/14 - -- 10 ND -- ND ND ND 41. 01/20/15 2.1 -- 10 ND -- ND ND ND 41. 0713115 3.1 -- 10 ND -- ND ND ND 41. 01/12/16 3.1 -- 10 ND -- ND ND ND 41. OBI01116 3.1 -- 10 ND -- ND ND NO 41. 01/17/17 3.1 -- 10 ND -- ND ND ND 41. 0716117 3.1 -- 10 ND -- ND ND ND 41. 02/20/18 3.1 -- 10 ND -- ND ND ND 41. 0BI08118 3.1 10.0 - ND -- ND ND ND 41.01/15/79 3.1 10.0 - ND -- ND ND ND 41. 0B115119 3.1 10.0 - ND -- ND ND ND ug/L 01/13/20 3.1 10.0 - ND -- ND ND ND ug/L 08/10/20 3.1 10.0 ND ND ND ND Nickel ug/L 11/4I05 - -- - ND ND -- ND -- NC2L=100 ug/L ug/L 12/12/05 - -- - ND ND -- ND -- NOEPAMCL ug/L 12/13/05 - -- - ND ND -- ND -- ug/L 12/22/OS - -- - ND ND -- ND -- ug/L 12/30/05 - -- 50 ND ND -- -- ND ug/L 9126I06 - -- 50 -- -- -- -- ND ug/L 1131I07 - -- 50 ND 3.1 J -- ND ND ug/L 7112I07 - -- 50 31.7 J 5.3 J -- ND ND ug/L 816/07 - -- 50 -- -- ND -- ND ug/L 1117I08 - -- 50 ND -- ND ND ND ug/L 0710108 - -- 50 ND -- 2B ND 12.4 J ug/L 01/22/09 - -- 50 ND -- ND ND ND 41. 07/14/09 - -- 50 ND -- 1.30 J 1.06 J ND 41. 01/07/10 - -- 50 ND -- ND 4.93 J ND 41. 0710110 - -- 50 ND -- ND ND ND 41. 01/31/11 - -- 50 ND -- ND ND ND 41. 07/18/11 - -- 50 ND -- ND ND ND 41. 01/25/12 - -- 50 3.13 J -- ND ND ND 41. 07/19/12 - -- 50 ND -- ND ND ND 41. 01/30/13 - -- 50 ND -- ND ND ND 41. 07/15/13 - -- 50 ND -- ND ND ND 41. 01/27/14 - -- 50 ND -- ND ND ND 41. 07/14/14 - -- 50 6.13 J -- ND ND ND 41. 01/20/15 1.8 -- 50 ND -- ND ND ND 41. 0713115 1.8 -- 50 ND -- ND ND ND 41. 01/12/16 1.8 -- 50 ND -- ND ND ND 41. OBI01116 2.2 -- 50 ND -- ND ND ND 41. 01/17/17 2.2 -- 50 ND -- ND ND ND 41. 0716117 2.2 -- 50 ND -- ND ND ND 41. 02/20/18 2.2 -- 50 ND -- ND ND ND 41. 0BI08118 2.2 10.0 - ND -- ND ND NO uglL 01/15/19 2.2 10.0 - ND -- ND ND ND ug/L 08/15/19 2.2 10.0 - ND -- ND ND ND uglL 01/13/20 2.2 10.0 - ND -- ND ND ND ug/L OW10/20 2.2 10.0 ND ND ND ND ,i GOLDER Page 5of13 November2020 Project No. 20140083 Table 9 Summary of Detected Constituents in Groundwater for the C&D Landfill Rowan County Landfill (Active MSW and Closed C&D Facilities) Permit 80-03 8W8 Reporting C&D Monitoring Wells Detected Monitoring Units Sample Dale MDL MRL Blanks Limit Upgradlent Downgradlent Constituents/Analyzes MW-17 MW-18 MW-18R MW-19 Selenium ugIL IV30105 - -- 20 NO ND -- ND ND NC 2L=20 ugIL ugIL 9126106 - -- 20 NO ND -- ND ND EPA MCL=50 ugIL ugIL 1131107 - -- 10 2.6 B ND -- ND 2.0 1 ugIL 7112107 - -- 10 NO ND -- ND NO ugIL 816/07 - -- 10 -- -- NO -- NO ugIL 1117108 - -- 10 3.5 B -- NO 2.7 B 2.1 1 ugIL 07/30/08 - -- 10 NO -- NO ND NO ugIL 01/22/09 - -- 10 NO -- NO NO NO ugIL 07/14/09 - -- 10 NO -- NO NO NO ug/L 01/07/10 - -- 10 NO -- NO NO NO ug/L 07/20/10 - -- 10 NO -- NO NO NO ug/L 01/31/11 - -- 10 NO -- NO NO NO ug/L 07/18/11 - -- 10 NO -- NO NO NO ug/L 01/25/12 - -- 10 NO -- NO NO NO ug/L 07/19/12 - -- 10 NO -- NO NO NO ug/L 01/30/13 - -- 10 NO -- NO NO NO ug/L 01/30/13 - -- 10 NO -- NO NO NO ug/L 07/15/13 - -- 10 NO -- NO NO NO ug/L 01/27/14 - -- 10 NO -- NO NO NO ug/L 07/14/14 - -- 10 NO -- NO NO NO ug/L 01/20/15 5 -- 10 NO -- NO NO NO ug/L 07/23/15 5 -- 10 NO -- NO NO NO ug/L 01/12/16 5 -- 10 NO -- NO NO NO ug/L 08/01/16 6.2 -- 10 NO -- NO NO NO ug/L 01/17/17 6.2 -- 10 NO -- NO NO NO ug/L 07/26/17 6.2 -- 10 NO -- NO NO NO ug/L 02/20/18 6.2 -- 10 ND -- ND ND NO ug/L 08/08/18 6.2 10.0 - ND -- ND ND ND ug/L 01/15/19 6.2 10.0 - ND -- ND ND ND ug/L 08/15/19 6.2 10.0 - ND -- ND ND ND ug/L 01/13/20 6.2 10.0 - ND -- ND ND ND ug/L 08/10/20 6.2 10.0 ND ND ND ND Silver ugIL 12/1I05 - -- 10 ND ND -- ND NO NC 2L=20 ug/L ugIL 9126I06 - -- 10 NO NO -- NO NO EPA MCL = 100 ug/L ugIL 1131I07 - -- 10 NO NO -- NO NO ugIL 7112I07 - -- 10 ND NO -- ND NO ugIL 816/07 - -- 10 -- -- NO -- NO ugIL 1117I08 - -- 10 NO -- NO NO NO ug/L 0710108 - -- 10 NO -- NO NO NO ug/L 01/22/09 - -- 10 2.7 B -- NO NO 2.1 1 ugIL 07/14/09 - -- 10 NO -- NO NO NO ugIL 01/07/10 - -- 10 NO -- NO NO NO ugIL 0710110 - -- 10 NO -- NO NO NO ugIL 01/31/11 - -- 10 NO -- NO NO NO ugIL 07/18/11 - -- 10 NO -- NO NO NO ugIL 01/25/12 - -- 10 1.91 1 -- NO NO NO ugIL 07/19/12 - -- 10 2.94 1 -- 3.44 1 NO NO ugIL 01/30/13 - -- 10 NO -- 2.31 1 NO NO ugIL 07/15/13 - -- 10 NO -- NO NO NO ugIL 01/27/14 - -- 10 NO -- NO NO NO ugIL 07/14/14 - -- 10 NO -- NO NO NO ugIL 01/20/15 1.9 -- 10 NO -- NO NO 3.39 1 ugIL 0713115 1.9 -- 10 NO -- NO NO NO ugIL 01/12/16 1.9 -- 10 NO -- NO NO NO ugIL 0BI01116 1.9 -- 10 4.39 1 -- NO NO NO ugIL 01/17/17 1.9 -- 10 NO -- NO NO NO ugIL 07/26/17 1.9 -- 10 NO -- 1.90 1 2.12 1 NO ugIL 02/20/18 1.9 -- 10 NO -- NO NO NO uga. 0BI08118 1.9 10.0 - NO -- NO 2.11 1 NO ugIL 01/15/19 1.9 10.0 - NO -- NO NO NO ugIL 0B115119 1.9 10.0 - NO -- NO NO NO ugIL 01/13/20 1.9 10.0 - NO -- NO NO NO ugIL 08/10/20 1.9 10.0 2.49 B 2.43 B NO NO ,i GOLDER Page 6of13 November 2020 Project No. 20140083 Table 9 Summary of Detected Constituents in Groundwater for the C&D Landfill Rowan County Landfill (Active MSW and Closed C&D Facilities) Permit 80-03 SWS Reporting C&D Monitoring Wells Detected Monitoring Constauenfe/Analytes Units Sample Date MDL MRL Blanks Limit Upgradlent Downgradlent MW-17 MW-18 MW-18R MW-19 Thallium ug/L 11/4105 - -- - ND ND -- ND -- IMAC=0.2 ug& ug/L IVID05 - -- - ND ND -- ND -- EPA MCL=2 ugIL ug/L IV13105 - -- - ND ND -- ND -- ug/L 12/22/05 - -- - ND ND -- ND -- ug/L IV30105 - -- 10 ND ND -- ND ND ug/L 9126106 - -- 10 -- -- -- -- ND ug/L 1131107 - -- 5.5 ND 0.085 1 -- ND ND ug/L 7112107 - -- 5.5 ND ND -- ND ND ug/L 816/07 - -- 5.5 -- -- 0.080 1 -- ND ug/L 1117108 - -- 5.5 ND -- 0.084 1 ND ND ug/L 07/30/08 - -- 5.5 ND -- 0.141 1 ND ND ug/L 01/22/09 - -- 5.5 ND -- 0.078 B 0.068 B 0.096 1 ug/L 07/14/09 - -- 5.5 ND -- 0.0580 1 0.0490 1 ND ug/L 01/07/10 - -- 5.5 ND -- ND 0.415 J ND ug/L 07/20/10 - -- 5.5 ND -- ND ND ND ug/L 01/31/11 - -- 5.5 ND -- ND ND ND ug/L 07/18/11 - -- 5.5 ND -- ND ND ND uga. 01/25/12 - -- 5.5 ND -- ND ND ND uga. 07/19/12 - -- 5.5 ND -- ND ND ND ug/L 01/30/13 - -- 5.5 ND -- ND ND ND ug/L 07/15/13 - -- 5.5 ND -- 0.113 1 ND ND ug/L 01/27/14 - -- 5.5 ND -- 0.151 1 ND ND ug/L 07/14/14 - -- 5.5 ND -- ND ND ND ug/L 01/20/15 0.1 -- 5.5 ND -- 0.178 1 ND -- ug/L 07/23/15 0.1 -- 5.5 ND -- 0.120 1 ND ND ug/L 01/12/16 0.1 -- 5.5 ND -- 0.309 0 0.118 1 ND ug/L 08/01/16 0.1 -- 5.5 ND -- 0.285 J ND ND ug/L 01/17/17 0.1 -- 5.5 ND - 0.439 J ND ND ug/L 07/26/17 0.1 -- 5.5 0.160 1 -- 0.458 0 0.155 1 ND ug/L 02/20/18 0.1 -- 5.5 ND -- 0.339 J ND ND ug/L 08/08/18 0.55 5.00 - ND -- ND ND ND ug/L 01/15/19 0.55 5.00 - ND -- ND ND ND ug/L 08/15/19 0.22 2.00 - ND -- 0.242 J ND ND ug/L 01/13/20 0.22 2.00 - ND -- 0.699 J ND ND ug/L 08/10/20 0.22 2.00 ND 0.390 J 0.229 J ND Vanadium ug/L 11/4I05 - -- - ND ND -- 52 -- IMAC =0.3 ug0. ug/L 12I2105 - -- - ND 160 -- 53 -- NoEPAMCL ug/L 12I3105 - -- - ND 42 -- ND -- ug/L 12/22/05 - -- - ND 76 -- 76 -- ug/L 12/30/05 - -- 40 ND 69 -- 45 ND ug/L 9126I06 - -- 40 -- -- -- -- ND ug/L 1131I07 - -- 25 ND 16.4 J -- ND ND ug/L 7112I07 - -- 25 ND ND -- ND ND ug/L 816/07 - -- 25 -- -- 1.4 3 -- ND ug/L 1117I08 - -- 25 1.4 J -- 7.8 3 1.7 J ND ug/L 0710108 - -- 25 ND -- 5.3 1 ND ND ug& 01/22/09 - -- 25 2.3 B -- 2.5 B ND 1.4 1 ug& 07/14/09 - -- 25 ND -- 4.91 1 1.55 J ND ug/L 01/07/10 - -- 25 ND -- 1.53 3 23.5 J ND ug& 0]10110 - -- 25 ND -- 1.77 3 2.02 J ND 41. 01/31/11 - -- 25 ND -- ND ND ND 41. 07/18/11 - -- 25 ND -- ND ND ND 41. 01/25/12 - -- 25 ND -- ND ND ND 41. 07/19/12 - -- 25 ND -- ND ND ND 41. 01/30/13 - -- 25 ND -- ND ND NO 41. 07/15/13 - -- 25 ND -- ND ND ND 41. 01/27/14 - -- 25 ND -- ND ND ND 41. 07/14/14 - -- 25 ND -- ND ND ND 41. 01/20/15 1.4 -- 25 ND -- ND ND ND 41. 0713115 1.4 -- 25 ND -- ND ND ND 41. 01112/16 1.4 -- 25 ND -- ND ND ND 41. 0BI01116 1.4 -- 25 ND -- ND ND ND 41. 01/17/17 1.4 -- 25 ND -- ND ND ND 41. 0716117 1.4 -- 25 ND -- ND ND ND 41. 02/20/18 1.4 -- 25 ND -- ND ND ND 41. 0BI08118 1.4 10.0 - ND -- ND 1.74 J ND 41. 01/15/19 1.4 10.0 - ND -- ND ND ND 41. 0B115119 1.4 10.0 - ND -- ND ND ND 41. 01/13/20 1.4 10.0 - ND -- ND 3.35 J ND ug/L 08/10/20 1.4 10.0 ND ND ND ND ,i GOLDER Page 7of13 November 2020 Project No. 20140083 Table 9 Summary of Detected Constituents in Groundwater for the C&D Landfill Rowan County Landfill (Active MSW and Closed C&D Facilities) Permit 80-03 SWS Reporting C&D Monitoring Wells Detected Monitoring Constituents/Analyzes Units Sample Dale MDL MRL Blanks Llmlt Upgmdlent Downgradlent MW-17 MW-18 MW-18R MW-19 Zinc ug/L 11/4105 - -- - 52 ND -- 62 -- NC 2L= 1000 ug/L ug/L 12/12/05 - -- - ND 56 -- 68 -- EPA MCL=5000 ug& ug/L IV13105 - -- - ND ND -- ND -- ug/L 12/22/05 - -- - ND ND -- 94 -- ug/L IV30105 - -- 50 ND 430 -- 51 ND ug/L 9126106 - -- 50 -- -- -- -- ND ug/L 1131107 - -- 10 ND 10.1 -- ND ND ug/L 7112107 - -- 10 3.7 1 ND -- ND ND ug/L 816/07 - -- 10 -- -- 15 B -- 15 1 ug/L 1117108 - -- 10 ND -- ND ND ND ug/L 07/30/08 - -- 10 ND -- ND ND ND ug/L 01/22/09 - -- 10 ND -- ND ND ND ug/L 07/14/09 - -- 10 T12 J -- ND 5.82 1 ND ug/L 01/07/10 - -- 10 246 1 -- 27.3 43.0 ND ug/L 07/20/10 - -- 10 ND -- ND 8.41 1 ND ug/L 01/31/11 - -- 10 ND -- ND ND ND ug/L 07/18/11 - -- 10 ND -- ND ND ND uga. 01/25/12 - -- 10 ND -- ND ND ND uga. 07/19/12 - -- 10 ND -- ND 4.63 1 ND ug/L 01/30/13 - -- 10 ND -- ND ND ND ug/L 07/15/13 - -- 10 ND -- ND ND ND ug/L 01/27/14 - -- 10 396 J -- ND ND NO ug/L 07/14/14 - -- 10 ND -- ND ND ND ug/L 01/20/15 3.8 -- 10 576 1 -- ND ND ND ug/L 07/23/15 3.8 -- 10 ND -- ND ND ND ug/L 01/12/16 3.8 -- 10 ND -- ND ND ND ug/L O8101116 4.4 -- 10 ND -- ND ND NO ug/L 01/17/17 4.4 -- 10 ND -- ND ND ND ug/L 07/26/17 4.4 -- 10 ND -- ND ND ND ug/L 02/20/18 4.4 -- 10 ND -- ND ND ND ug/L O8108118 4.4 10.0 - ND -- ND ND ND ug/L 01/15/19 4.4 10.0 - ND -- ND ND ND ug/L O8115119 4.4 10.0 - 5.60 1 -- 5.87 1 5.92 1 ND ug/L 01/13/20 4.4 10.0 - 6.97 1 -- 4.68 1 ND ND ug/L O8110120 4.4 10.0 ND ND 4.50 1 ND Iron ug/L 1131107 - -- 300 20 1 2510 -- 180 ND NC 2L=300 ug/L ug/L 7112107 - -- 300 284 1 968 -- 31 1 ND EPA MCL=300 ug/L ug/L 816/07 - -- 300 -- -- 585 -- ND ug/L 1117108 - -- 300 ND -- 2310 286 1 ND uga. 07/30/08 - -- 300 ND -- 1310 79 1 ND ug& 01/22/09 - -- 300 ND -- 623 fib 1 ND ug/L 07/14/09 - -- 300 47.9 1 -- 1450 224 1 ND ug& 01/07/10 - -- 300 20.0 1 -- 484 9220 ND ug/L 07/20/10 - -- 300 58.4 B -- 469 431 30.8 1 ug& 01/31/11 - -- 300 ND -- 57.0 1 35.9 1 ND ug/L 07/18/11 - -- 300 ND -- ND 102 1 ND ug& 01/25/12 - -- 300 ND -- ND 71.2 1 ND ug/L 07/19/12 - -- 300 27.7 1 -- ND 65.4 1 ND ug& 01/30/13 - -- 300 48.3 1 -- ND 58.6 1 ND ug/L 07/15/13 - -- 300 ND -- ND 97.1 1 ND ug& 01/27/14 - -- 300 ND -- ND ND ND ug/L 07/14/14 - -- 300 40.6 1 -- 165 1 25.9 1 ND ug& 01/20/15 22 -- 300 ND -- 47.5 1 ND ND uga. 07/23/15 22 -- 300 ND -- 35.5 1 ND ND ug& 01/12/16 22 -- 300 59.8 1 -- 222 J ND ND ug/L O8101116 22 -- 300 65.1 1 -- 168 1 38.7 1 ND ug& 01/17/17 22 -- 300 ND -- 32.6 1 ND ND uga. 07/26/17 22 -- 300 47.6 1 -- 36.6 1 ND ND ug& 02/20/18 22 -- 300 ND -- 34 1 40.4 1 ND ug/L 08/08/18 22 50.0 - 63.4 -- 62.8 167 ND ug& 01/15/19 22 50.0 - ND -- 1820 104 ND ug/L 02/21/19 22 50.0 - ND -- 2110 -- ND ug& Owl W19 22 50.0 - ND -- 1480 030 ND ug/L 01/13/20 22 50.0 - ND -- 796 1370 ND ug/L Oa/l0/20 22 50.0 81.8 seas 20600 ND ,i GOLDER Page 8of13 November 2020 Project No. 20140083 Table 9 Summary of Detected Constituents in Groundwater for the C&D Landfill Rowan County Landfill (Active MSW and Closed C&D Facilities) Permit 80-03 SWS Reporting C&D Monitoring Wells Detected MoMWring Constauenfe/Analytes Units Sample Dale MDL MRL Blanks Llmlt Upgmdlent Downgradlent MW-17 MW-18 MW-18R MW-19 Manganese ugIL 1/31107 - -- 50 2.2 J 660 -- 22.1 ND NC 2L=50 ug/L ug/L 7112107 - -- 50 15.1 J 236 -- 11.2 J ND EPA MCL=50 ug/L ugIL 8/6/07 - -- 50 -- -- 163 -- ND ugIL 1117108 - -- 50 ND -- 38.9 J 12.0 B 3.5 J ug/L 07/30/08 - -- 50 1.6 J -- 35.4 J 7.5 J ND ugIL 01/22/09 - -- 50 2.0 J -- 33.7 J 7.7 J ND ug/L 07/14/09 - -- 50 IN J -- 37.4 J 19A J ND ugIL 01/07/10 - -- 50 1.T] J -- 31.0 J 20■ ND ug/L 07/20/10 - -- 50 5.27 J -- 34.6 J 221 J ND ugIL 01/31/11 - -- 50 3.02 J -- 43.8 J 12.8 J ND ug/L 07/18/11 - -- 50 1.70 J -- 45.9 J 8.73 J ND ugIL 01/25/12 - -- 50 ND -- 65.6 6.n J ND ug/L 07/19/12 - -- 50 1.23 J -- 62.2 3.99 J ND ugIL 01/30/13 - -- 50 1.95 J -- 149 4.13 J ND ug/L 07/15/13 - -- 50 &M J -- 342 8A3 J ND ugIL 01/27/14 - -- 50 3.48 J -- 225 5.88 J ND ug/L 07/14/14 - -- 50 T22 J -- 177 T62 J ND ugIL 01/20/15 1.1 -- 50 4.07 J -- 362 5.00 J ND ug/L 07/23/15 IA -- 50 1.85 J -- 184 9.51 J ND ugIL 011IT16 1.1 -- 50 3.21 J -- 690 4.39 J ND ug/L O11/01/16 IA -- 50 4.82 J -- 330 51.0 ND ugIL 01/17/17 1.1 -- 50 6.69 J -- 668 450 J ND ug/L 07/26/17 IA -- 50 4.34 J -- 513 406 J ND ugIL 02/20/18 1.1 -- 50 9.35 J -- 676 5.72 J ND ug/L O11/08/18 1.5 10.0 - 5AB J -- 572 24.7 ND ugIL 01/15/19 1.5 10.0 - 8.93 J -- 1540 18.3 ND (VedBcation Event) ug/L 02/21/19 1.5 10.0 - -- -- 1780 -- ND ug/L 08115/19 1.5 10.0 - 29.1 -- 827 911 ND ug/L 01/13/20 1.5 10.0 - 17.9 -- 1550 200 ND ug/L 08110/20 1.5 10.0 25.4 1120 2860 ND Acetone ug/L 11/04/05 - -- - ND ND -- ND -- NC2L=6000 ugIL ug/l. 12/12/05 - -- - ND ND -- ND -- NoEPAMCL ug/L 12/13/05 - -- - ND ND -- ND -- ug/L 12/22/OS - -- - ND ND -- ND -- ug/L 1W /05 - -- 20 ND ND -- ND ND ug/L 0916106 - -- 100 ND ND -- ND ND ug/L 09/26/06 - -- 100 ND ND ND ND ND ug/L 01/31/07 - -- 100 ND ND -- ND ND ugIL 01/31/07 - -- 100 ND ND ND ND ND ug/L 07/12/07 - -- 100 ND ND -- ND 0.93 J ug/L 0]112107 - -- 100 ND ND ND ND ND ug/L OBI06107 - -- 100 -- -- ND -- ND ug/L 0B/06/07 - -- 100 ND ND ND ND 0.93 J ug/L 01/17/08 - -- 100 ND -- ND ND ND ugIL 01/17/08 - -- 100 ND ND ND ND ND ugIL 07/30/OB - -- 100 5.2 J -- ND ND ND ugIL 01/22109 - -- 100 ND -- ND ND ND ugIL 07/14/09 - -- 100 ND -- ND ND ND ugIL 01/07/10 - -- 100 ND -- ND ND ND ugIL 0710110 - -- 100 ND -- ND ND ND ugIL 01/31/11 - -- 100 ND -- ND ND ND ugIL 07/18/11 - -- 100 ND -- ND ND ND ugIL 01/25/12 - -- 100 ND -- ND ND ND ugIL 07/19/12 - -- 100 ND -- ND ND ND ugIL 01/30/13 - -- 100 ND -- ND ND ND ugIL 07/15/13 - -- 100 ND -- ND ND ND ugIL 01/27/14 - -- 100 ND -- ND ND ND ugIL 07/14/14 - -- 100 ND -- ND ND ND ugIL 01/20/15 1.2 -- 100 ND -- ND ND -- ugIL 0713115 1.2 -- 100 ND -- ND ND ND ugIL 01/12/16 1.2 -- 100 ND -- ND ND ND ugIL OBI01116 1.2 -- 100 ND -- ND ND ND ugIL 01/17/17 10 -- 100 ND -- ND ND ND ugIL 0716117 10 -- 100 ND -- ND ND ND ugIL 02/20/18 10 -- 100 ND -- ND ND ND ugIL 0BI08118 10 20 - ND -- ND ND ND ugIL 01AW19 10 20 - ND -- ND ND ND ugIL 0B115119 10 20 - ND -- ND ND ND ugIL 01/13/20 10 20 - ND -- ND ND ND ugIL 08110/20 10 20 ND ND ND ND ,i GOLDER Page 9of13 November 2020 Project No. 20140083 Table 9 Summary of Detected Constituents in Groundwater for the C&D Landfill Rowan County Landfill (Active MSW and Closed C&D Facilities) Permit 80-03 8W8 Reporting C&D Monitoring Wells Detected MoMWring Constauenfe/Analytes Units Sample Date MDL MRL Blanks Llmlt Upgradlent Downgradlent MW-17 MW-18 MW-18R MW-19 Benzene ug/L 01/31/07 - -- 3 ND ND -- ND ND NC 2L= 1 ugl ug/L 071IT07 - -- 1 ND ND -- ND ND EPA MCL=5 ug/L ug/L O11/06/07 - -- 1 -- -- ND -- ND ug/L 01/17/08 - -- 1 ND -- ND ND ND ug/L 07/30/08 - -- 1 ND -- ND ND ND ug/L 01/22/09 - -- 1 ND -- ND ND ND ug/L 07/14/09 - -- 1 ND -- ND ND ND ug/L 01/07/10 - -- 1 ND -- ND ND ND ug/L 07/20/10 - -- 1 ND -- ND ND ND ug/L 01/31/11 - -- 1 ND -- ND ND ND ug/L 07/18/11 - -- 1 ND -- ND ND ND ug/L 01/25/12 - -- 1 ND -- ND ND ND ug/L 07/19/12 - -- 1 ND -- ND ND ND ug/L 01/30/13 - -- 1 ND -- ND ND ND ug/L 07/15/13 - -- 1 ND -- ND ND ND ug/L 01/27/14 - -- 1 ND -- ND ND ND ug/L 07/14/14 - -- 1 ND -- ND ND ND ug/L 01/20/15 - -- 1 ND -- ND ND -- ug/L 07/23/15 0.15 -- 1 ND -- ND ND ND ug/L 01/12/16 0.15 -- 1 ND -- ND ND ND ug/L Oa/01/16 0.15 -- 1 ND -- ND 1.3 ND (Verification Event) ug/L 09/01/16 0.15 -- 1 -- -- -- ND -- ug/L 01/17/17 0.15 -- 1 ND -- ND ND ND ug/L 07/26/17 0.15 -- 1 ND -- ND ND ND ug/L 02/20/18 0.15 -- 1 ND ND -- ND ND ug/L 08108/18 0.15 1.0 - ND -- ND ND ND ug/L 01/15/19 0.15 1.0 - ND -- ND ND ND ug/L 08115/19 0.15 1.0 - ND -- 2.1 4.5 ND (Verification Event) ug/L 10/03/19 0.15 1.0 - ND -- 2.3 1.0 ND ug/L 01/13/20 0.15 1.0 - ND -- ND ND ND ug/L OB/10/20 0.15 1.0 - ND -- 1.1 5.8 ND (Verification Event) ug/l. 1 10/19/20 0.15 1 1.0 1.4 3.2 ND di 1,2-Dichlomethene ug/L 09/26/06 - -- 5 ND ND -- ND ND NC 2L=70 ug/L ug/L 01/31/07 - -- 5 ND ND -- ND ND EPA MCL=70 ugIL ug/L 07/12/07 - -- 5 ND ND -- ND ND ug/L 08106/07 - -- 5 -- -- ND -- ND ug/L 01/17/08 - -- 5 ND -- ND ND ND ug/L 07/30/08 - -- 5 ND -- ND ND NO ug/L 01/22/09 - -- 5 ND -- ND ND ND ug/L 07/14/09 - -- 5 ND -- ND ND ND ug/L 01/07/10 - -- 5 ND -- ND ND ND ug/L 07/20/10 - -- 5 ND -- ND ND ND ug/L 01/31/11 - -- 5 ND -- ND ND NO ug/L 07/18/11 - -- 5 ND -- ND ND ND ug/L 01/25/12 - -- 5 ND -- ND ND ND ug/L 07/19/12 - -- 5 ND -- ND ND ND ug/L 01/30/13 - -- 5 ND -- ND ND ND ug/L 07/15/13 - -- 5 ND -- ND ND ND ug/L 01/27/14 - -- 5 ND -- 0.69 1 ND ND ug/L 07/14/14 - -- 5 ND -- 1.7 1 ND ND ug/L 01/20/15 0.15 -- 5 ND -- ND ND -- ug/L 07/23/15 0.15 -- 5 ND -- 1.2 1 ND ND ug/L 01/12/16 0.15 -- 5 ND -- ND ND ND ug/L 08101/16 0.15 -- 5 ND -- 0.89 1 ND ND ug/L 01/17/17 0.15 -- 5 ND -- ND ND ND ug/L 07/26/17 0.15 -- 5 ND -- ND ND ND ug/L 02/20/18 0.15 -- 5 ND -- ND ND ND ug/L 08108/18 0.15 1.0 - ND -- ND ND ND ug/L 01/15/19 0.15 1.0 - ND -- ND ND ND ug/L 08115/19 0.15 1.0 - ND -- ND ND ND ug/L 01/13/20 0.15 1.0 - ND -- ND ND ND ug/L 08110/20 0.15 1.0 ND ND ND ND ,i G O L D E R Page 10of13 November 2020 Project No. 20140083 Table 9 Summary of Detected Constituents in Groundwater for the C&D Landfill Rowan County Landfill (Active MSW and Closed C&D Facilities) Permit 80-03 SWS Reporting C&D Monitoring Wells Detected Monitoring Constauenfs/Analytes Units Sample Date MDL MRL Blanks Llmlt Upgradlent Downgradlent MW-17 MW-18 MW-18R MW-19 1,4-Dioxene ugl 08108/18 25 60 - ND -- ND ND ND NC 2L=3 ugl,No EPA MCL ugl 01/15/19 1.2 2.0 - ND -- 4.6 ND ND (Verification Event) ugl 0221119 1.2 2.0 - ND -- 5.0 ND ND uglL 08115/19 1.2 2.0 - ND -- 26 25 ND uglL 01/13/20 1.2 2.0 - ND -- 6.3 7.2 ND uglL 0811020 0.8 2.0 ND 15 29 ND Tetmhydrofurao uglL 01/31/11 - -- - ND -- ND ND ND No Standard uglL 07/18/11 - -- - ND -- ND ND ND No EPA MCL uglL 07/18/11 - -- - ND -- ND ND ND uglL 01/25/12 - -- - ND -- ND ND ND uglL 07/19/12 - -- - ND -- ND ND ND uglL 01/30/13 - -- - ND -- ND ND NO uglL 07/15/13 - -- - ND -- 2.4 ND ND uglL 01/27/14 - -- - ND -- 1.3 ND ND uglL 07/14/14 - -- - ND -- ND ND ND uglL 01/20/15 0.8 -- - ND -- ND ND -- uglL 07/23/15 0.8 -- - ND -- ND ND NO uglL 01/12/16 0.8 -- - ND -- ND ND ND uglL 08101/16 0.8 -- - ND -- ND ND ND uglL 01/17/17 0.8 -- - ND -- ND 2.5 ND uglL 07/26/17 0.8 -- - ND -- ND ND ND uglL 02/20/18 0.53 -- - ND -- ND ND NO uglL 08108/18 0.53 1.0 - ND -- ND 3.2 ND uglL 01/15/19 0.53 1.0 - ND -- ND ND ND uglL 08115/19 0.53 1.0 - ND -- ND ND ND uglL 01/13/20 0.53 1.0 - ND -- ND ND ND uglL 08110/20 0.53 1.0 ND 4.5 ND ND Chloride mgIL 01/31/07 - -- - 11.0 6.0 -- 9.0 ND NC 2L=250 mgIL mgIL 07/12/07 - -- - 4.8 2.8 -- 2.4 ND EPA MCL = 250 uglL mgIL 08106/07 - -- - -- -- 2.9 -- ND mgIL 01/17/08 - -- - 12 -- 5.2 B 7.5 B 2.1 mgIL 07/30/08 - -- - 9.6 -- 3.8 B 5.6 0.95 mgIL 01/22/09 - -- - 7.5 -- 2.6 J 3.2 J ND mgIL 07/14/09 - -- - 9.4 B -- 5.8 B 6.6 B 2.2 mgIL 01/07/10 - -- - 9.1 -- 6.0 6.0 ND mgIL 07/20/10 - -- - 9.0 -- 6.8 6.6 ND mgIL 01/31/11 - -- - 8.7 B -- 9.4 5.9 B 1.8 mgIL 07/18111 - -- - 7.8 -- 8.9 5.6 B 1.5 mgIL 01/25/12 - -- - 7.5 -- 17 5.1 B 1.4 mgIL 07/19/12 - -- - 5.6 -- 7.1 4.6 ND mg1L 01/30/13 - -- - 7.2 B -- 22 4.6 B 1.5 mg1L 07/15/13 - -- - 6.6 -- 35 4.5 J ND mg1L 01/27/14 - -- - 6.3 -- 22 3.9 J ND mgIL 07/14/14 - -- - 5.8 -- 8.5 5.8 ND mgIL 01/20/15 2.2 -- - 6.5 -- 21 5.4 -- mgIL 07/23/15 2.2 -- - 6.5 -- 12 6.1 -- mgll 01/12/16 2.2 -- - 5.6 -- 35 2.3 J -- mgIL 08101/16 0.29 -- - 4.6 J -- 16 5.5 ND mgIL 01/17/17 2.2 -- - 5.3 -- 30 4.7 J ND mgIL 07/26/17 2.2 -- - 5.3 -- 23 5.0 ND mgIL 02/20/18 2.2 -- - 5 -- 32 2.8 J ND mgIL 08108/18 2.2 5 - 3.6 J -- 25 2.9 J ND mgIL 01/15/19 2.2 5 - 3.3 J -- 33 ND ND (Verification Event) mgIL 02/21/19 2.2 5 - -- -- 33 -- ND mg1L 08115/19 2.2 5 - 4.0 J -- 92 11 ND mg1L 01/13/20 2.2 5 - 5.4 -- 39 5.3 ND mg1L 08110/20 2.2 5 3.6 J 71 43 ND ,i GOLDER Page 11 of 13 November 2020 Project No. 20140083 Table 9 Summary of Detected Constituents in Groundwater for the C&D Landfill Rowan County Landfill (Active MSW and Closed C&D Facilities) Permit 80-03 SWS Reporting C&D Monitoring Wells Detected Monitoring Constauents/Analytes Units Sample Date MDL MRL Blanks Llmlt Upgradient Do -gradient MW-17 MW-18 MW-18R MW-19 Total Dissolved Solids mgIL 01/31/07 - -- - 120 108 -- 84 ND NC 21 =500 mgIL mgIL 07/12/07 - -- - 80 62 -- 72 ND No EPA MCL mgIL 08106/07 - -- - -- -- 90 -- ND mgIL 01/17/08 - -- - 70 -- 94 88 ND mgIL 07/30/08 - -- - 110 -- 48 96 ND mgIL 01/22/09 - -- - 66 -- 520 52 ND mgIL 07/14/09 - -- - 96 -- 100 100 NO mgIL 01/07/10 - -- - 80 -- 60 74 ND mgIL 07/20/10 - -- - 74 -- 72 68 ND mgIL 01/31/11 - -- - 94 -- 100 44 ND mgIL 07/18/11 - -- - 54 -- 80 70 ND mgIL 01/25/12 - -- - 56 -- 82 56 ND mgIL 07/19/12 - -- - 78 -- 70 66 ND mgIL 01/30/13 - -- - 32 -- 140 36 ND mgIL 07/15/13 - -- - 56 -- 250 48 ND mgIL 01/27/14 - -- - 52 -- 130 40 ND mgIL 07/14/14 - -- - 34 -- 68 48 ND mgIL 01/20/15 10 -- - 46 -- 200 58 -- mgIL 07/23/15 50 -- - 52 -- 88 68 -- mgIL 01/12/16 50 -- - 72 -- 300 ND -- mgIL 08101/16 50 -- - 56 -- 170 80 ND mgIL 01/17/17 50 -- - ND -- 320 64 ND mgIL 07/26/17 50 -- - ND -- 210 ND ND mgIL 02/20/18 50 -- - 66 -- 380 72 ND mgIL 08108/18 50 50 - ND -- 240 ND ND mgIL 01/15/19 50 50 - 60 -- 520 110 ND (Verification Event) mgIL 02/21/19 50 50 - -- -- 690 -- ND mgIL 08115/19 50 50 - ND -- 270 110 ND mgIL 01/13/20 50 50 - 82 -- 660 90 ND mgIL 08110/20 50 50 ND 410 160 ND Sulfate mgIL 01/31/07 - -- - ND 1.3 d -- 1.5 1 ND NC 21-=250 mgIL mgIL 07/12/07 - -- - 0.91 1.6 -- 1.2 ND No EPA MCL mgIL 08106/07 - -- - -- -- 3.7 B -- 3.2 d mgIL 01/17/08 - -- 250 1.0 d -- 0.99 d 1.1 1 ND mgIL 07/30/08 - -- 250 1.6 d -- 2.4 d 1.5 1 ND mgIL 01/22/09 - -- 250 ND -- 2.7 d 2.2 1 ND mgIL 07/14/09 - -- 250 ND -- 2.9 d 3.2 1 ND mgIL 01/07/10 - -- 250 ND -- 2.6 d 2.5 1 ND mgIL 07/20/10 - -- 250 ND -- 3.0 d 2.8 1 ND mgIL 01/31/11 - -- 250 1.8 d -- 3.4 d 3.1 1 ND mgIL 07/18111 - -- 250 1.7 d -- 3.6 d 2.5 1 ND mgIL 01/25/12 - -- 250 1.4 d -- 7.4 d 2.7 1 ND mgIL 07/19/12 - -- 250 2 d -- 9.2 d 2.4 1 ND mg1L 01/30/13 - -- 250 1.7 d -- 12 d 2.8 1 ND mgIL 07/15/13 - -- 250 1.6 B -- 70 d 4.1 B 1.5 d mgIL 01/27/14 - -- 250 ND -- 33 d 4 1 NO mgIL 07/14/14 - -- 250 ND -- 21 1 ND ND mgIL 01/20/15 2.9 -- 250 ND -- 63 1 ND -- mgIL 07/23/15 2.9 -- 250 ND -- 16 1 ND -- mgIL 01/12/16 2.9 -- 250 ND -- -- 5 d -- mgIL 01/12/16 2.9 -- 250 -- -- 110 d -- mg, 08101/16 0.07 -- 250 0.12 d -- 48 d 1 1 ND mgIL 01117117 2.9 -- 250 ND -- 110 1 ND ND mgIL 07126117 2.9 -- 250 ND -- 69 1 ND ND mgIL 02/20/18 2.9 -- 250 ND -- -- 3 1 ND mgIL 02/20/18 5.8 -- 250 -- -- 110 d -- ND mgIL 08108/18 2.9 5 - ND -- 87 3 1 ND mgIL 01/15/19 2.9 5 - ND -- 170 6.8 ND (Verification Event) mgIL 02/21/19 2.9 5 - -- -- 240 -- ND mgIL 08115/19 2.9 5 - ND -- 15 6.5 ND mgIL 01/13/20 2.9 5 - ND -- 210 6.3 ND mg1L 08110120 2.9 5 ND 100 7.3 ND ,i GOLDER Page 12of13 November 2020 Project No. 20140083 Table 9 Summary of Detected Constituents in Groundwater for the C&D Landfill Rowan County Landfill (Active MSW and Closed C&D Facilities) Permit 80-03 SWS Reporting C&D Monitoring Wells Deteoted Monitoring ConstauentsiAnalytes Units Sample Date MDL MRL Blanks Limit Upgredlent Downgradlent k1W-1] MW-18 Mill MW-19 Total Alkalinity as CaCO3 mgIL 01/31/07 - -- - 32 38 -- 22 ND No Standard mg/L 0711T07 - -- - 16 B 49 -- 26 B 6.4 J No EPA MCL mg/L 08/06/07 - -- - -- -- 6.0 -- -- mg/L 01/17/08 - -- - 9.8 J -- 26 25 ND mg/L 07/30/08 - -- - 18 B -- 27 B 24 B 8.6 J mg/L 01/22/09 - -- - 24 -- 26 29 ND mg/L 07/14/09 - -- - 11 J -- 22 26 ND mg/L 01/07/10 - -- - 8.7 J -- 22 23 ND mg/L 07/20/10 - -- - 11 J -- 33 26 ND mg/L 01/31/11 - -- - 18 -- 29 14 J ND mg/L 07/18/11 - -- - ND -- 25 23 ND mg/L 01/25/12 - -- - 12 -- 26 17 ND mg/L 07/19/12 - -- - 14 -- 33 21 ND mg/L 01/30/13 - -- - 27 -- 33 24 ND mg/L 07/15/13 - -- - 31 -- 25 49 ND mg/L 01/27/14 - -- - 40 -- 37 39 ND mg/L 07/14/14 - -- - 17 -- 43 24 ND mg/L 01/20/15 14 -- - 34 -- 61 38 -- mg/L 07/23/15 14 -- - 37 -- 47 43 -- mg/L 01112/16 14 -- - 34 -- 110 24 -- mg/L 08/01/16 14 -- - 35 -- 90 48 ND mg/L 01/17/17 14 -- - 42 -- 130 44 ND mg/L 07/26/17 14 -- - 34 -- 91 41 ND mg/L 02/20/18 14 -- - 29 -- 130 29 ND mg/L 08/08/18 14 15 - 35 -- 120 32 ND mg/L 01/15/19 14 15 - 25 -- 190 32 ND (Verification Event) mg/L 02/21/19 14 15 - -- -- 250 -- ND mg/L 08/15/19 14 15 - 25 -- 85 82 ND Mg/ L 01/13/20 14 15 - 37 -- 240 42 ND mg/L 08/10/20 14 15 16 150 110 ND Notes: ug/L = micrograms per liter mg/L = milligrams Per liter S.U.= Standard Units NTU - Nephelometric Turbidity Units mV =millivolts ND = Not dct eteed at the stated reporting limit PS/cm = microaiemens per centimeter -- no data available or not established B= blank -qualified result J = Prior to the August 2018 event, J flags are estimated values below the SW8 Reporting limit. Beginning with the August 2018 event, J flags are estimated values between MDL and MRL. Blanks = field. hip and method blanks Shaded = Concentrations above the current NC 2L or Said Waste Section Groundwater Protection Standards have been shaded SWS Reporting Limit = NCPOL prior to 2007 and NCSWSL starting in 01/31/07 MDL= Laboralory methotl detection limit MRL = Laboretory methotl reporting limit 1) Historical data prior to September 2006 provided by Rowan County. 2) MW-18 was replaced by MW-18R after the July 2007 sampling event. 3) The following dilutions were noted for the August 2020 event: antimony and thallium (2x) all wells; sulfate and chloride at MW-1 BR (4x); and alkalinity, at MWASR (a) 4) Concentrations reported in parenthas forihe 10/19/2020 Verification event represent dissolved metals ,i GOLDER Page 13of13 November 2020 Project No. 20140083 Table 10 Summary of C&D Landfill Field Parameters Rowan County Landfill (Active MSW and Closed C&D Facilities) Permit 80-03 C&D Monitoring Wells Detected Monitoring Constituents/Analytes Units Sample Date Upgradient Downgradient MW-17 MW-18 MW-18R MW-19 pH S. U. 11/04/05 6.41 5.46 -- 5.22 (field) S. U. 12/12/05 6.50 5.50 -- 5.40 S. U. 12/13/05 6.42 5.70 -- 5.50 S. U. 12/22/05 6.51 5.65 -- 5.60 S. U. 12/30/05 6.30 5.65 -- 5.20 S. U. 09/26/06 5.89 5.30 -- 5.28 S. U. 01 /31 /07 6.54 6.21 -- 5.41 S. U. 07/12/07 6.19 5.51 -- 5.86 S. U. 08/06/07 -- -- 5.25 -- S. U. 01/17/08 6.05 -- 6.30 6.56 S. U. 07/30/08 6.26 -- 5.69 7.18 S. U. 01/22/09 6.57 -- 5.09 5.64 S. U. 07/14/09 6.56 -- 5.45 5.72 S. U. 01/07/10 6.51 -- 5.98 5.81 S. U. 07/20/10 6.51 -- 5.86 5.42 S. U. 01 /31 /11 5.46 -- 4.90 4.96 S. U. 07/18/11 5.60 -- 4.86 5.00 S. U. 01/25/12 5.84 -- 5.04 5.27 S. U. 07/17/12 5.93 -- 5.25 5.19 S. U. 01/30/13 5.61 -- 5.11 4.82 S. U. 07/15/13 4.97 -- 5.14 4.21 S. U. 01/27/14 5.76 -- 5.32 5.42 S. U. 07/14/14 5.79 -- 5.21 5.35 S. U. 01/20/15 4.91 -- 5.18 4.66 S. U. 07/23/15 5.02 -- 4.49 4.57 S. U. 01/12/16 5.24 -- 5.37 4.90 S. U. 01/12/16 5.24 -- 5.37 4.90 S. U. 08/01/16 5.15 -- 5.16 5.00 S. U. 01/17/17 5.44 -- 5.37 5.12 S. U. 07/24/17 5.18 -- 5.13 5.29 S. U. 02/20/18 5.31 -- 5.55 5.18 S. U. 08/08/18 5.76 -- 5.62 5.29 S. U. 01/16/19 5.79 -- 5.99 5.43 (Verification) S. U. 02/21/19 -- -- 6.21 -- S. U. 08/15/19 5.60 -- 5.22 5.51 (Verification) S. U. 10/03/19 -- -- 5.29 5.49 S. U. 01/13/20 5.59 -- 5.97 5.43 S. U. 08/10/20 5.51 -- 5.59 5.46 (verification) S. U. 10/19/20 -- -- 5.49 5.41 Specific Conductivity PS/cm 11/04/05 195 155 -- 150 (field) PS/cm 12/12/05 210 140 -- 145 PS/cm 12/13/05 190 125 -- 140 PS/cm 12/22/05 200 105 -- 130 PS/cm 12/30/05 190 160 -- 145 PS/cm 09/26/06 125 80 -- 84 PS/cm 01 /31 /07 162 125 -- 95 PS/cm 07/12/07 99 124 -- 97 PS/cm 08/06/07 -- -- 87 -- PS/cm 01/17/08 154 -- 92 138 PS/cm 07/30/08 147 -- 97 141 PS/cm 01/22/09 132 -- 99 94 PS/cm 07/14/09 102 -- 94 113 PS/cm 01/07/10 101 -- 103 96 PS/Cm 07/20/10 93 -- 109 103 PS/cm 01/31/11 85 -- 118 95 PS/cm 07/18/11 86 -- 125 103 PS/cm 01/25/12 84 -- 177 98 PS/cm 07/17/12 72 -- 110 89 PS/Cm 01/30/13 75 -- 230 78 PS/cm 07/15/13 85 -- 380 91 PS/cm 01/27/14 113 -- 291 118 PS/cm 07/14/14 95 -- 197 132 PS/cm 01/20/15 96 -- 304 102 PS/cm 07/23/15 91 -- 165 119 PS/cm 01/12/16 100 -- 552 78 PS/Cm 01/12/16 100 -- 552 78 PS/cm 08/01/16 103 -- 345 149 PS/cm 01/17/17 97 -- 535 116 PS/Cm 07/24/17 101 -- 392 117 PS/cm 02/20/18 107 -- 616 103 PS/cm 08/08/18 110 -- 503 112 PS/cm 01/16/19 97 -- 805 102 (Verification) PS/cm 02/21/19 -- -- 1098 -- PS/cm 08/15/19 99 -- 444 227 (Verification) PS/Cm 10/03/19 -- -- 581 189 PS/cm 01/13/20 109 -- 940 135 PS/cm 08/10/20 70 -- 737 379 (Verification) PS/cm 10/19/20 -- -- 811 279 4 GOLDER Page 1of3 November 2020 Project No. 20140083 Table 10 Summary of C&D Landfill Field Parameters Rowan County Landfill (Active MSW and Closed C&D Facilities) Permit 80-03 C&D Monitoring Wells Detected Monitoring Constituents/Analytes Units Sample Date Upgradient Downgradient MW-17 MW-18 MW-18R MW-19 Temperature °C 11 /04/05 19.60 18.60 -- 18.20 (field) °C 12/12/05 18.40 18.60 -- 18.30 °C 12/13/05 18.60 18.20 -- 18.20 °C 12/22/05 18.80 18.40 -- 18.20 °C 12/30/05 18.40 18.60 -- 18.40 °C 09/26/06 19.40 21.90 -- 20.90 ° C 01 /31 /07 12.60 12.70 -- 10.60 °C 07/12/07 20.13 21.05 -- 21.59 °C 08/06/07 -- -- 25.10 -- °C 01 /17/08 12.45 -- 12.26 8.01 °C 07/30/08 18.73 -- 18.22 21.17 °C 01/22/09 9.27 -- 13.89 9.25 °C 07/14/09 17.72 -- 16.15 18.17 °C 01 /07/10 12.43 -- 13.69 10.35 °C 07/20/10 19.96 -- 19.87 18.86 °C 01 /31 /11 12.35 -- 13.82 10.47 °C 07/18/11 21.92 -- 19.21 20.11 °C 01 /25/12 15.58 -- 16.91 12.73 °C 07/17/12 22.93 -- 21.12 20.76 °C 01 /30/13 16.67 -- 17.12 14.59 °C 07/15/13 20.66 -- 17.86 19.81 °C 01 /27/14 14.7 -- 15.9 11.5 °C 07/14/14 19.7 -- 18.2 17.5 °C 01 /20/15 14.6 -- 16.4 12.9 °C 07/23/15 20.9 -- 17.7 17.2 °C 01/12/16 12.5 -- 16.1 12.3 °C 01/12/16 12.5 -- 16.1 12.3 °C 08/01/16 21.4 -- 18.5 19.2 °C 01/17/17 15.3 -- 17.7 14.5 °C 07/24/17 20.1 -- 19.1 19.5 °C 02/20/18 15.5 -- 15.8 11.5 °C 08/08/18 20.6 -- 19.6 19.4 °C 01/16/19 14.2 -- 14.9 10.8 (Verification) °C 02/21 /19 -- -- 14.5 -- °C 08/15/19 22.0 -- 21.3 21.5 (Verification) °C 10/03/19 -- -- 25.6 21.1 °C 01 / 13/20 16.0 -- 16.5 13.8 °C 08/10/20 20.1 -- 21.3 21.9 (Verification) °C 10/19/20 -- -- 20.1 18.9 Turbidity NTU 12/30/05 -- -- -- -- (field) NTU 09/26/06 39.3 243 -- 45.3 NTU 01/31/07 30.2 >1000 -- 819 NTU 07/12/07 0 0 -- 0 NTU 08/06/07 -- -- 55.7 -- NTU 01/17/08 0.48 -- 50.9 6.39 NTU 07/30/08 38.2 -- 73.3 24.7 NTU 01 /22/09 2.41 -- 14.9 3.59 NTU 07/14/09 1.86 -- 18.8 8.01 NTU 01/07/10 2.89 -- 24.6 249 NTU 07/20/10 1.52 -- 56.1 10.8 NTU 01 /31 /11 0.49 -- 1.58 1.71 NTU 07/18/11 0.31 -- 3.86 2.58 NTU 01 /25/12 1.31 -- 1.65 3.12 NTU 07/17/12 4.16 -- 3.55 5.33 NTU 01/30/13 3.64 -- 1.76 2.42 NTU 07/15/13 2.19 -- 1.16 1.99 NTU 01/27/14 0.14 -- 1.13 1.45 NTU 07/14/14 2.42 -- 1.65 1.93 NTU 01/20/15 0.51 -- 1.39 0.82 NTU 07/23/15 0.70 -- 1.30 0.55 NTU 01/12/16 3.86 -- 0.81 4.44 NTU 01/12/16 3.86 -- 0.81 4.44 NTU 08/01/16 2.10 -- 3.45 1.49 NTU 01/17/17 0.73 -- 0.80 1.94 NTU 07/24/17 1.92 -- 2.23 0.81 NTU 02/20/18 0.27 -- 0.81 1.54 NTU 08/08/18 1.30 -- 1.49 6.59 NTU 01 /16/19 1.92 -- 3.50 8.71 (Verification) NTU 02/21 /19 -- -- 9.11 -- NTU 08/15/19 0.79 -- 3.62 8.98 (Verification) NTU 10/03/19 -- -- 0.60 19.1 NTU 01 /13/20 1.28 -- 6.84 34.9 NTU 08/10/20 1.12 -- 22.50 9.46 (Verification) NTU 10/19/20 -- -- 115 23.3 4 GOLDER Page 2of3 November 2020 Project No. 20140083 Table 10 Summary of C&D Landfill Field Parameters Rowan County Landfill (Active MSW and Closed C&D Facilities) Permit 80-03 C&D Monitoring Wells Detected Monitoring Constituents/Analytes Units Sample Date Upgradient Downgradient MW-17 MW-18 MW-18R MW-19 Oxygen Reduction Potential mV 12/30/05 -- -- -- -- (field) mV 9/26/06 185 165 -- 196 mV 1 /31 /07 210 177 -- 185 mV 7/12/07 -- -- -- -- mV 8/6/07 -- -- -- -- mV 07/20/10 -- -- -- -- mV 01 /31 /11 240.2 -- 269.9 271.8 mV 07/18/11 132.0 -- 132.6 142.7 mV 01/25/12 -125.1 -- -136.5 -151.9 mV 07/17/12 16.4 -- 30.2 34.0 mV 01 /30/13 182.0 -- 194.7 201.8 mV 07/15/13 179.3 -- 145.2 218.5 mV 01 /27/14 167.1 -- 43.7 149.6 mV 07/14/14 212.7 -- 202.3 277.4 mV 01/20/15 258.9 -- 181.8 242.0 mV 07/23/15 233.7 -- 242.8 270.9 mV 01/12/16 228.1 -- 200 353.2 mV 01/12/16 228.1 -- 200 353.2 mV 08/01/16 205.9 -- 195.4 309.2 mV 01/17/17 288.2 -- 236.4 306.0 mV 07/24/17 177.1 -- 220.7 184.8 mV 02/20/18 296.1 -- 348.1 403.5 mV 08/08/18 150.6 -- 179.4 194.0 mV 01 /16/19 169.5 -- 51.5 371.6 (Verification) mV 02/21 /19 -- -- 159.6 -- mV 08/15/19 275.0 -- 191.0 146.3 (Verification) mV 10/03/19 -- -- 149.3 153.7 mV 01/13/20 319.9 -- 314.7 301.6 mV 08/10/20 -88.6 -- -271.8 -160.8 (Verification) mV 10/19/20 -- -- 199.5 85.3 Dissolved Oxygen mg/L 12/30/05 -- -- -- -- (field) mg/L 9/26/06 -- -- -- -- mg/L 1 /31 /07 10.6 10.5 -- 7.6 mg/L 7/12/07 -- -- -- -- mg/L 07/20/10 -- -- -- -- mg/L 01 /31 /11 8.28 -- 1.01 3.05 mg/L 07/18/11 3.99 -- 1.17 1.79 mg/L 01/25/12 6.51 -- 0.47 2.12 mg/L 07/17/12 7.30 -- 2.95 4.98 mg/L 01/30/13 3.33 -- 2.25 5.18 mg/L 07/15/13 3.64 -- 3.23 2.71 mg/L 01 /27/14 1.43 -- 0.72 3.97 mg/L 07/14/14 1.85 -- 0.40 0.57 mg/L 01/20/15 4.71 -- 0.78 1.93 mg/L 07/23/15 2.24 -- 0.41 3.28 mg/L 01/12/16 1.35 -- 1.44 4.19 mg/L 01/12/16 1.35 -- 1.44 4.19 mg/L 08/01 /16 1.57 -- 0.87 0.91 mg/L 01/17/17 3.52 -- 0.37 4.11 mg/L 07/24/17 0.73 -- 0.38 0.47 mg/L 02/20/18 0.57 -- 0.35 4.57 mg/L 08/08/18 1.98 -- 0.42 2.48 mg/L 01/16/19 4.08 -- 3.36 2.49 (Verification) mg/L 02/21 /19 -- -- 1.42 -- mg/L 08/15/19 2.04 -- 0.20 0.15 mg/L 10/03/19 -- -- 0.61 1.60 mg/L 01/13/20 2.93 -- 1.57 2.97 mg/L 08/10/20 0.36 -- 0.13 0.19 (Verification) mg/L 10/19/20 -- -- 0.21 0.15 Notes: mg/L = milligrams per liter -- = no data available S.U. = Standard Units NTU = Nephelometric Turbidity Units ND = Not detected at the stated reporting limit uS/cm= microsiemens per centimeter 4 GOLDER Page 3of3 DRAWING CURRRENT LANDFILL ENTRANCE EXISTING SEDIMENT BASIN �' 1� SCALE HOUSE EXISTING I Irl a ° \ - U I ITV'/ SEDIMENT I I e FUTURE I tau i BASIN I I f I� MW-12 , r MSW LANDFILLA�� OW-1, 678.74 0 (PHASES VI TO IX) -) r0�`� EXISTING SEDIMENT SITE LOCATION MAP �0000 o �o� MMW16A 699.20 �� / II `2 �� 1��1 ` ` '� SCALE FEET e I BASIN MW-19 / n I i 67517 644.21 �lp MW-24R G BMW-18RQ NOTES 0 '682.75// 643.93 - 1. TOPOGRAPHIC CONTOUR INTERVAL - 2 FEET. Q �I J� PHASE III I I x SW-4 I / MSW LANDFILL 2. GROUNDWATER SURFACE CONTOUR INTERVAL = 10 FEET. _ I MAINTENANCE I — ' pJ I I V BUILDING I.b ' 3. GROUNDWATER ELEVATIONS MEASURED ON AUGUST 10, 2020. 6 I MW-20Q I I I 685.97 I I \ I S -5 4. GROUNDWATER CONTOURS ARE BASED ON LINEAR INTERPOLATION BETWEEN AND I ' II ® ^ �,1I EXISTING / U EXTRAPOLATION FROM KNOWN DATA, TOPOGRAPHIC CONTOURS, AND KNOWN I �MMW- ,j � I Q J FIELD CONDITIONS. THEREFORE, GROUNDWATER CONTOURS MAY NOT REFLECT SEDIMENT ACTUAL GROUNDWATER CONDITIONS. I ❑ i � � � BASIN ° \ 5. GROUNDWATER CONTOUR LINES SHOW THE WATER TABLE SHAPE AND ELEVATION. A � THESE CONTOURS ARE INFERRED LINES FOLLOWING THE GROUNDWATER SURFACE MW-23 O O AT A CONSTANT ELEVATION ABOVE SEA LEVEL. THE GROUNDWATER FLOW 1 0 MW-23A 665.94 ' d p o DIRECTION IS GENERALLY PERPENDICULAR TO THE GROUNDWATER SURFACE 680 \I' o 665.90 ` �I CONTOURS, SIMILAR TO THE RELATIONSHIP BETWEEN SURFACE WATER FLOW AND \ o k o $ / TOPOGRAPHIC CONTOURS. x 1 MW-6. �, o / 662.41 0 6. SURFACE WATER MONITORING POINT SW-1 IS APPROXIMATELY 550 FEET OFF THE MAPPING LIMITS SHOWN AND IS COLLECTED FROM SECOND CREEK. ' © i I PHASE IV AREA MW .03 Q �� ° 7. MONITORING WELLS MW-27A, MW-28 AND MW-6 ARE UTILIZED FOR WATER LEVEL MW-25 ( 663.03 / �� MONITORING ONLY. 673.11 Q j \ o I I 0MW-28 8. THE LOCATION OF THE FRENCH DRAIN MONITORING POINT IS APPROXIMATE. I 1 JI I 659.69 � ��— � 9. MW-28R WAS INSTALLED JULY 11, 2017 TO REPLACE MW-28. MW-28 WILL CONTINUE TO BE UTILIZED FOR WATER LEVEL MONITORING. 6? �1 FRENCH DRAIN �° i SAMPLE POINT FLOODPLAIN� EXISTING SEDIMENT BASIN TO SW-1 (SEE NOTE 6) LEGEND 700 — — — 250 0 250 500 SCALE FEET FACILITY BOUNDARY APPROXIMATE LIMITS OF WASTE EXISTING TOPOGRAPHIC CONTOURS (2' INTERVALS) GROUNDWATER SURFACE CONTOURS APPROXIMATE GROUNDWATER FLOW SEGMENT USED TO CALCULATE GRADIENT EXISTING GROUNDWATER MONITORING WELL WITH GROUNDWATER ELEVATION SURFACE WATER MONITORING POINT COMPLIANCE METHANE MONITORING POINT ASSESSMENT METHANE MONITORING POINT FRENCH DRAIN MONITORING POINT REFERENCE 1. EXISTING CONDITIONS INSIDE OF DASHED LINE COMPILED BY CARTOGRAPHIC AERIAL MAPPING, INC. USING PHOTOGRAMMETRIC METHODS, FROM AERIAL PHOTOGRAPHY DATED JUNE 26, 2020. EXISTING CONDITIONS OUTSIDE OF DASHED LINE PROVIDED BY S&ME ENGINEERING, INC., DATE UNKNOWN. 2. PROPERTY BOUNDARY TAKEN FROM CAD FILE TITLED, "WELLS.DWG," PROVIDED BY HDR INC. CLIENT ROWAN COUNTY, NORTH CAROLINA PROJECT ROWAN COUNTY ACTIVE AND CLOSED LANDFILLS PERMIT No. 80-03 ROWAN COUNTY, NORTH CAROLINA GROUNDWATER CONTOUR MAP AUGUST 10, 2020 CONSULTANT YYYY-MM-DD 2020-11-11 DESIGNED NTT 'G O L D E R PREPARED BPG COLDER ASSOCIATES NC, INC. REVIEWED RPK APPROVED RPK PROJECT NO. DRAWING 20-140083 0 1 APPENDIX A GROUNDWATER AND SURFACE WATER SAMPLING LOGS GOL DER Project Name: Rowan County Active Well ID: mw -1 Well Diameter: 2 inches Depth to Bottom: feet Pumping Rate: 100 mUmin. DATE: GROUNDWATER SAMPLING LOG Project No./Phase No.: 20140083 Sampler(s): of WLCLS� =J-byYe. Initial Depth to Water: 1'6 .42 feet Water Column Thickness: feet System Volume: qp� Equipment: Turbidimeter, YSI ProPlus, WL Meter Dedicated BP. MP-15 Sp. Cond. T:e (:mp. C: IN MIM..N- ens (weather conditions, color, type of sample, purge -water management, etc.): P � p BOO Signature: QA/QC Sign Off: Date: 8 — I2 26 Date: � — / 7 - Zc) 2-z GOLDER Project Name: Rowan County Active Well ID: 1AW-=4 Well Diameter: 2 inches Depth to Bottom: 2t3,U3 feet Pumping Rate: mUmin. DATE: '�-IZ-2-(jZ4a GROUNDWATER SAMPLING LOG Project No./Phase No.: 20140083 Sampler(s): �<<;4� `��te�a 'Co►�� Initial Depth to Water: 02 feet Water Column Thickness: 2 U( feet System Volume: 1025 Equipment: Turbidimeter, YSI ProPlus, WL Meter Dedicated BP, MP-15 ® ® 'is • • •.• Comments (weather conditions, color, type of sample, purge -water management, etc.): Signature: Date: E-1`f Z- 2L)Zc" QA/QC Sign Off: Date: � 17 Lt, GOLDER Project Name: Rowan County Active Well ID: Kw-oi Well Diameter: 2 inches Depth to Bottom: 40 , (o feet Pumping Rate: kw mUmin. Equipment: Turbidimeter, YSI Pro Dedicated BP. MP-15 DATE: S `(0 . Z_OW GROUNDWATER SAMPLING LOG Project No./Phase No.: 20140083 Sampler(s): i CuIO p-'iUvYti s Initial Depth to Water: Z feet Water Column Thickness: is .16d feet System Volume: 1336 WL Meter ® ® ,is • ' •.• ROOM— ------ _MIN Comments (weather conditions, color, type of sample, purge -water management, etc.): SFGrrig �� vt� t 3 ► 3 V J Signature: Date: � - l O -a 620 QA/QC SignYfff: f, Date: g— (-? - 2 6 2 a M*�" . W, foo"i#K- qoo GOLDER Project Name: Rowan County Active Well ID: w - (( Well Diameter: 2 inches Depth to Bottom: `Z �'Z feet Pumping Rate: ( 00 too mUmin. Equipment: Turbidimeter, YSI Pro Dedicated BP. MP-15 DATE: � " tZ —Z e 2 0 GROUNDWATER SAMPLING LOG Project No./Phase No.: 20140083 Sampler(s): T-Mel -A)i e 2 Initial Depth to Water: 'so • ; 0 feet Water Column Thickness: / S.C?Z feet System Volume: 675 WL Meter ®Sp. Cond. M ' , • •-' Comments (weather conditions, color, type of sample, purge -water management, etc.): A Signature: QA/QC Sign Off: r (� v Date: 6 11 2-0 26 Date: V GOLDER Project Name: Rowan County Active Well ID: AA 1,-1 4 Well Diameter: 2 inches Depth to Bottom: feet Pumping Rate: 2Z 15 mUmin. DATE: c� -11- 2 .-2 0 GROUNDWATER SAMPLING LOG Project No./Phase No.: 20140083 Sanipler(s): /'t,VW 7- Initial Depth to Water: -TH feet Water Column Thickness: rj•Scj feet System Volume: ?60 Equipment: Turbidimeter, YSI Pro Plus, WL Meter Dedicated BP, MP-15 Time pH (S.U.) Sp. Cond. (US/cm) Turb (NTU) Dis 02 (mg/L) Temp. (°C) ORP (millivolts) DTW (feet) r 1 11 3 Z 5 CIO 1-7.� .a S .21 16 , 0 2 1--?, 6 19' 3 `7.i0 3 `1 1.13 P -7.`-( 2 I —7,80 \1400 (C > i13,q i.-71 9q s 7.-7 1 q 6'3 5, I 113 2, O l 3 b'3 1 ', 5 39, 7 7 6 S, l 7z. 173 q2 1-7,5 yu �4 011 s.II W� f) 7,3 Y6,7 '7. 7 \-112 zv 17,3 -7 76 \4 1 S.1 CA 0`1�3 1.Z- 7, Comments (weather conditions, color, type of sample, purge -water management, etc.): Signature: QA/QC Sign Off: Date: ?..1 / - 2 ° Z v Date: �- (7 -?_'bZG GOLDER Project Name: Rowan County Active Well ID: 3 Well Diameter: 2 inches Depth to Bottom: 2V.20 feet Pumping Rate: 1.00 mUmin. DATE: (:?` II -202c, GROUNDWATER SAMPLING LOG Project No./Phase No.: 20140083 Sampler(s): T , z Initial Depth to Water: 3 ,(�, R feet Water Column Thickness: 10 , 2. feet System Volume: ct Z L- Equipment: Turbidimeter, YSI Pro Plus, WL Meter Dedicated BP. MP-15 ®Sp. Cond. ® , '• •.• Comments (weather conditions, color, type of sample, purge -water management, etc.): Slr� QL'r4lz a+ 16o I Signature: QA/QC Sign Off: (� Date: P-If- ZGZG Date: Z- 0 '2s Z c, GOLDER Project Name: Rowan County Active Well ID: Mw -1 Well Diameter: 2 inches Depth to Bottom: (,�.((] feet Pumping Rate: 1 i p mUmin. Equipment: Turbidimeter, YSI Pro Dedicated BP. MP-15 DATE: 6 — (O '2-d?-6 GROUNDWATER SAMPLING LOG Project No./Phase No.: 20140083 Sampler(s): WI W65 12KJG TOA S Initial Depth to Water: feet Water Column Thickness: 23.3 feet System Volume: tiS'+_+ WL Meter ®Sp. Cond. ® ' , • •.• Comments (weather conditions, color, type of sample, purge -water management, etc.): TX,r2ie Signature: ` Date: DA/QC Si g Off: Date: 15o1,Llw I Doi-bhh GOLDER Project Name: Rowan County Active Well ID: Mw - -7 Well Diameter: Depth to Bottom: Pumping Rate: Equipment: 2 inches S.7.NN feet ZOOn 150-- /OCR mUmin. DATE: �U - 2-L 2 a GROUNDWATER SA PLING LOG Project No./Phase No.: 20146083 Sampler(s): Initial Depth to Water: L4 7, y5''; feet Water Column Thickness: 9 .`l 9 feet System Volume: 1170 Turbidimeter, YSI ProPlus, WL Meter Dedicated BP, MP-15 Time 1-6 pH (S.U.) Sp. Cond. (US/cm) Turb (NTU) Dis 02 (mg/L) Temp. (°C) ORP (millivolts) DTW (feet) p Sul 6,71 4o 3 27 2.7 A.s Q. 1142O 5 -7a.3 Z,-/ 0. 5L1 l ct.O _ 5-1.5 Llct. / N I q 5.5 72.4 [_-S O-Lf5 Zo.O 9y.6 Iu2c( S.SB 7v,5 1-118 6.39 Z0-4 7 So./Y Comments (weather conditions, color, type of sample, purge -water management, etc.): Signature: QA/OC Sign Off: --- Date: �3 -/ 0 ' Za 7 O Date: �—( 7 - Z'l Z-L DATE: e -10 - 2 c' 2 0 GOLDER Project Name: Rowan County Active Well ID: 8 R Well Diameter: 2 inches Depth to Bottom: 32,-Z feet Pumping Rate: +'A 5 -.1 /6v mUmin. GROUNDWATER SAMPLING LOG Project No./Phase No.: 20140083 Sampler(s): -T- M r 4,, A 2 Initial Depth to Water: 0, L/6 feet Water Column Thickness: ! q,'7 1 feet System Volume: R jp Equipment: Turbidimeter, YSI ProPlus, WL Meter Dedicated BP, MP-15 Time pH (S.U.) Sp. Cond. (US/cm) Turb (NTU) Dis 02 (mg/L) Temp. (°C) ORP (millivolts) DTW (feet) c� 1 ci 9 .Zti -Lf -3O i 1.5-7 151'� S,S`Z -750 65 0.7-9 —7k I A 152Z 5.N -7 %k4 159 CJ 36 �IIB S t7. 3 2-7 S. '1 7 7 -7 14,1 U.2 ) 9. 7 1 5.50 -7 D.ig 4 b. l?<� 153 �.SI 173 z. ,15 1 -leis, - ? !?. Ic,\12 3A 3 72 C, 21Y. AS o.6 -Z/S` 112,40 15 u 56 --734 2.,�:5 O.is 7ZI,0 - 233.b 11< 552 S 5 '7 76 32. 6 - I o . cl 557 5.5C, 2 .9 z►,o _ 6 ,� 17S 16 v S.59 -97 z2. 5 1. 3 - 2 77 s' � s Comments (weather conditions, color, type of sample, K aILock Signature: QA/QC Sign Off: i rge-water management, etc.): adW (L4.1 cfr3,f,, ed vineA/s Date: Date: - Z6 Zu DATE. ` l/ - Z 62" GOLDER Project Name: Rowan County Active Well ID: Nw - 1 Well Diameter: 2 inches Depth to Bottom: '21-09 feet Pumping Rate: 100 mUmin. Equipment: Turbidimeter, YSI Pro Dedicated BP. MP-15 GROUNDWATER SAMPLING LOG Project No./Phase No.: 20140083 Sampler(s): :'- MGr•l to e Z Initial Depth to Water: C(, Z,P feet Water Column Thickness: % feet System Volume: Cl 00 WL Meter �Mll�-Sp. Cond. Comments (weather conditions, color, type of sample, purge -water management, etc.): )g 5 Signature: Date: QA/QC Sign Off: Date: V f 7 , 2e z6 GOLDER Project Name: Rowan County Active Well ID: hw-2U Well Diameter: 2 inches Depth to Bottom: 36.43g feet Pumping Rate: j00 mUmin DATE: t 2 ,_ C �_, GROUNDWATER SAMPLING LOG Project No./Phase No.: 20140083 Sampler(s): 14i c.� ` 5 Tuv,�, Initial Depth to Water: y ?�` . U� feet Water Column Thickness: feet System Volume: �oa_- Equipment: Turbidimeter, YSI ProPlus, WL Meter Dedicated BP, MP-15 Comments (weather conditions, color, type of sample, purge -water management, etc.): Signature: Date: 9 -f Z- 2�0 zo QA/QC Sign Off: Date: '(7 --Z�- Z V GOLDER Project Name: Rowan County Active Well ID: MLj- 2,3 Well Diameter: 2 inches Depth to Bottom: 406 feet Pumping Rate: SO mL/min. DATE: 8 ,lk- 2_o2U GROUNDWATER SAMPLING LOG Project No./Phase No.: 20140083 Sampler(s): Co c Initial Depth to Water: 1.3 feet Water Column Thickness: feet System Volume: 104(� Equipment: Turbidimeter, YSI Pro Plus, WL Meter Dedicated BP, MP-15 _------- Comments (weather conditions, color, type of sample, purge -water management, etc.): a C4, 2W' Q, Signature: Date: Pi -CC - 2o-zs� QA/QC Sigff Off: f7L- , Date:—(7 �o .COLDER Project Name: Rowan County Active Well ID: YW-%,Q Well Diameter: 2 inches Depth to Bottom: -4- feet Pumping Rate: ►0c) mUmin. DATE: �-�(-20ZC, GROUNDWATER SAMPLING LOG Project No./Phase No.: 20140083 Sampler(s): a(C.0d � -Fzuj . 1ezL Initial Depth to Water: 31.oZ feet Water Column Thickness: V0.43 feet System Volume: � 333 Equipment: Turbidimeter, YSI ProPlus, WL Meter Dedicated BP, MP-15 Time pH (S.U.) Sp. Cond. (US/cm) Turb (NTU) Dis 02 (mg/L) Temp. (°C) ORP (millivolts) DTW (feet) I (0.41 5.q (�.. 3 2 . .t- 33.20 6.3 11$.2 6• 5.t it 2 3 2V+.(0 h G. -5LA t l . 's Z 2 2_1 5." 34.25 t 6.32 ( •b 'q 8.9 Zt. 4 201. (- al 6 51) .26 \q. pis.i S.8T 2-Z.Z ZOi.'5 i( b 3' t & -L 5.S6 21.6 1 0 . 30 1(1000 100 14.4 5a Z2 t b)5 io.3`L ( . L &::� 5 2 , `A 5 3q . � IIo1� -3i uz Z2.o f-h. -3`t. t blS 1O,34 5.53 21.0 �. 8 Z6 ► Io o e. 51 .a k 6o(_. Q p lI, 115 6.2b , %Ao 5.(03 2t.9 1�(" ` 4z. to , c \i(O. 5 80 t �.v 3c, S. 5 22, 264 E.'3 Z 4 115.1 S1. 5_5l Zt.q 1c�3C 2Y,.b 5.$ 22.1 163.2 az h.2 \��.' 211 5.(o( 22-0 \(,l-3 of 2 5. 50i -ct - ALEJ Comments (weather conditions, color, type of sample, purge -water management, etc.): �rr�ttu�.ee�1 nJM d- (d (51LI P6�4-- �-6a re(�� , , i Signature: QA/QC Sifr(Off: Date: -(I -za2 0 Date: $ --i 7_ z d z p ��ye t vF Z GOLDER Project Name: Rowan County Active Well ID: Y1w -'n(\ Well Diameter: 2 inches Depth to Bottom:. feet Pumping Rate: mUmin. Equipment: Turbidimeter, YSI Pro Dedicated BP, MP-15 DATE: GROUNDWATER SAMPLING LOG Project No./Phase No.: 20140083 Sampler(s): ( " C; IfLAA• Initial Depth to Water: C)Z feet Water Column Thickness: �, feet System Volume: 1333 WL Meter ® ® • , • • -' _------ --M - ---MWi --� off - �� Comments (weather conditions, color, type of sample, purge -water management, etc.): 6�121",. � t57� (.1cCa�: etd tkQ✓ Ywr s �� cQU G. Signature: QA/QC Sign Date: ep R oZ6rzd Date: 4" % Z&zo GOLDER Project Name: Rowan County Active Well ID: mtv- 7K Well Diameter: 2 inches Depth to Bottom: 2� feet Pumping Rate: LID mUmin. DATE: ?._ l J - 2 c.Zp GROUNDWATER SAMPLING LOG Project No./Phase No.: 20140083 Sampler(s): P 414/4,kiez Initial Depth to Water: Spy, /% feet Water Column Thickness: 2_ it feet System Volume: ( 6p? Equipment: Turbidimeter, YSI ProPlus, WL Meter Dedicated BP, MP-15 Comments (weather conditions, color, type of sample, purge -water management, etc.): Signature: Date: II G Q QA/QC Sign Off: Date: 19—t GOLDER Project Name: Rowan County Active Well ID: Iyjlni - 25 Well Diameter: 2 inches Depth to Bottom: 4S•i- feet Pumping Rate: 1% mUmin. DATE: C6 (2_,ZCjL t� GROUNDWATER SAMPLING LOG Project No./Phase No.: 20140083 Sampler(s): tc� (t s Initial Depth to Water: 34.46 feet Water Column Thickness: 10. (�'o feet System Volume: (Cf416 Equipment: Turbidimeter, YSI Pro Plus, WL Meter Dedicated BP, MP-15 ments (weather conditions, color, type of sample, purge -water management, etc.): ,W eL��'L G 95 �9 Signature: Date: � - (Z - ZoZ,j v v QA/QC Sign Off: / Date: -Z�2-o GOLDER Project Name: Well ID: Well Diameter: Depth to Bottom: Pumping Rate: Rowan County Active MW - 2.0 2 inches 4l-bb feet 100 mL/min DATE: �) 10 %Zp GROUNDWATER SAMPLING LOG Project No./Phase No.: 20140083 Sampler(s): L L,, (. AQ —TZYY-r—S Initial Depth to Water: .301, feet Water Column Thickness: 6k feet System Volume: MD Equipment: Turbidimeter, YSI ProPlus, WL Meter Dedicated BR MP-15 �M��M Dis 02 Comments (weather conditions, color, type of sample, purge -water management, etc.): Signature: Date: (8 - (6 - QA/QC Sign Off: _� Date: T')* qol GOLDER Project Name: Well ID: Well Diameter: Depth to Bottom: Pumping Rate: Equipment: Rowan County Active Mom,-Z-7 2 inches Z . CSC' feet 100-2,00 mUmin. Turbidimeter, YSI Pro Dedicated BP, MP-15 DATE: ?'i2—ZUZ0 GROUNDWATER SAMPLING LOG Project No./Phase No.: 20140083 Sampler(s): j , M c, ,,.� 2 Initial Depth to Water: R.0 c) feet Water Column Thickness: _13 feet System Volume: '-71 0 WL Meter Time pH (S.U.) Sp. Cond. (US/CM) Turb (NTU) Dis 02 (mg/L) Temp. (°C) ORP (millivolts) DTW (feet) 5'.5`7 cY-ct,7 6" .?2 2a-7 e,0a Z SAX 10 2- 4 Z 0 3 3.1[ 7-0 � 2. � . 0 5 5 2_N5 l� ,),. 'I, ` is S'v S v - a S 8 2, 18- . v. 2 2 S.�102.5 32 3 7.6`t 2- 3 S, 2, s IO2., s v 'z. & -7 2 Z 1�3 5,z3 ivz.� 1 2 2. s '7 2143 5 21 1o1, S WA 2,62E 1Z 117.oc> 2 2I 5 2 -t 2_ 1 2. 5 4 `t 2 J2_S3 5,24v 8 5,0 10, Lt 21 'ZS 5.2 10 , -75.0 2.56 1015," 12..W 2 7.'2 .7 1� • >S 2 08 0LC> 6Z' 3 y 1 5 03.2 21 .0 3. 0 e .6 Li?. ?,3 / 1 �116 S. 152.5 -3 3. o i 8. 3 3 3. 4 e. 2 S 1 T 21 5.2 2 102. 5 17, 2 3.00 SI, 5 8,21 1y26 "'2-Z 02.0 t - 30Z S(.I z ZZ Im. S 11y, - 00 5-0- IM 5' 5A'' f & k Comments (weather conditions, color, type of sample, purge -water management, etc.): lea, e- t,,w r(" fnmti )L4 It ocm 1,4 ►t,eA15 Signature: QA/QC Sign Off: -- Date: t� 1 Z k2_,�, Date: Q _(-) , 2 62 0 GOLDER DATE: e -1 Z -2o? c GROUNDWATER SAMPLING LOG Project Name: Rowan County Active Project No./Phase No.: 20140083 Well ID: Wv-2? R Sampler(s): �_ Mu r+.t-'o Z Well Diameter: 2 inches Initial Depth to Water: �2 , 3 feet Depth to Bottom: 21y J feet Water Column Thickness: b. 6 feet Pumping Rate: 1-70 mUmin. System Volume: "75 0 Equipment: Turbidimeter, YSI ProPlus, WL Meter Dedicated BP, MP-15 - ®' Sp. Cond. Turb Dis• • Comments (weather conditions, color, type of sample, purge -water management, etc.): Signature: /C QA/QC Sign Off: Date: 12 ` 2 c 1, Date: � i % - 20 Z G GOLDER DATE: P -12 SURFACE WATER SAMPLING LOG Project Name: Rowan County active Project No./Phase No.: 20140083 Sample ID: Sampler(s): Me' a/kc z Sampling Location: S oi� L F Equipment: YSI, Turbidimeter A Pbshhk �,- er TimepH 1335 sU. Sp. Cond. US/cm Turb. ntu Dis. 02 mg/L Temp. °C J Z�� ORP my Surface Water Sampling Location Sketch Comments (sample methodology, weather conditions, color, silt, etc.): Signature: /--V- 'd QA/QC Sign Off: _ Date: 1 Z - 2 2-c7 Date: � _l `7 r Z s Z COLDER IZ DATE: SURFACE WATER SAMPLING LOG Project Name: V-D1-Y'(n Lc.L� -Ac�v,,,Project No./Phase No.: 20l 6 ()It3 Sample ID: -2 Sampler(s): (Gs ltn'rs Sampling Location: (av�jC`Lt , 32; " k�<, Equipment: YSI, Turbidimeter , Vadi-0-5S KA- , (t5263a�(-a bc"w Time 1441b pH S.U. CXO Sp. Cond. us/cm Turb. ntu Dis. 02 mg/L Temp. °C 2 ORP my �Z Surface Water Sampling Location Sketch Q L, J0- ��, Comments (sample methodology, weather conditions, color, silt, etc.): Signature: v QA/QC ff: Date: 2-12 `?c)?y Date. GOLDER DATE: 1� ,' 2 - 102 0 SURFACE WATER SAMPLING LOG Project Name: Rowan County active Project No./Phase No.: 20140083 Sample ID: Sampler(s): Sampling Location: Me„-7 + SeJ Equipment: YSI, Turbidimeter Time pH s.u. Sp. Cond. us/cm Turb. ntu Dis.O2 mg/L _ Temp. °C ORP my Comments (sample methodology, Signature: QA/QC Sign Off: Surface Water Sampling Location Sketch er conditions, color, silt, etc.): Date: '� / 2 — d Date: Z - ( 7 -- L(I LQ 16> GOLDER DATE: ?- 12 - 2C12,> SURFACE WATER SAMPLING LOG AC4,ve Project Name: Rowan county ed Project No./Phase No.: 20140083 Sample ID: - \A Sampler(s): Sampling Location: a aL-A54!`C4u (�k✓-i� Equipment: YSI, Turbidimeter Time 1000 pH s.u. P.S� Sp. Cond. us/cm Turb. ntu -� Dis. 02 mg/L 6 z Temp. °C ORP my Surface Water Sampling Location Sketch Comments (sample methodology, weather conditions, color, silt, etc.): ��I►oW W'JU Signature:. QA/QC Sign Off: S"„_l/ Date: Q 1 Z- 2 G 2 u Date: z - ( ? - Z-V Z 6 DATE: `r G O L D E R SURFACE WATER SAMPLING LOG Project Name: Rowan County active Project No./Phase No.: 20140083 Sample ID: Sw- Sampler(s): ria"Cz Sampling Location: S of Mw-l8(, b Mtn,-(q Equipment: YSI, Turbidimeter Time S pH s.u. Sp. Cond. us/cm Turb. ntu Dis. 02 mg/L _ Temp. °C ORP my Surface Water Sampling Location Sketch k, Sw-5 Comments (sample methodology, weather conditions, color, silt, etc.): A/0 n o w Lv Signature: Date: 2 020 QA/QC Sign Off: cs �` Date: - Z e 7 o DATE: � ` 1) -7Gw FRENCH DRAIN SAMPLING LOG Project Name: Rowan Co. - Active Project No./Phase No.: 20140083 Sample ID: 1�ren"L� pr4.p Sampler(s): T M'If+, 'z Sampling Location: f«ak 91-.," Equipment: YSI ProPlus, Turbidimeter Time n ) J pH S.U. 5. 5 1 Sp. Cond. mS/cm Turb. ntu ` Dis.O2 mg/L tvM Temp. oC 23.E ORP my N� Surface Water Sampling Location Sketch Comments (sample methodology, weather conditions, color, silt, etc.): r-0I I-10%'v,VID Signature: QA/QC Sign Off: Date: � -I 1 ` 2 °Zd Date: I - 17 - ? a Za GOLDER DATE: P- l 2 -2v�2U LEACHATE SAMPLING LOG Project Name: Sample ID: SaTe r(s): Sampling Location: L?ti L1,, i-e , A Equipment: rS ( ,/Vice MeW Time So 1 pH S.U. .7 S Sp. Cond. mS/cm .Z , y 58 Turb. ntu Dis. 02 m g/L -7. U K Temp. oC Z4 1 ORP my _'9c U Project No./Phase No.: Mar4,0' Z Sampling Location Sketch Comments (sample methodology, weather conditions, color, silt, etc.): Signature:_ QA/QC Sign Off: Date: T Z - 2 ?� Date: 7-6 ILO 20140083 GOLDER Project Name: Well ID: _ Well Diameter: Depth to Bottom: Pumping Rate: Equipment: Rowan County Active MW-18R 2 inches N 32.25 feet mUmin. DATE: io/l f(2-0Z,2 GROUNDWATER SAMPLING LOG Project No./Phase No.: 20140083 Sampler(s): Nicolas Tejeda-Torres Initial Depth to Water: «.SQ, feet Water Column Thickness: lfeet System Volume: 930 Turbidimeter, YSI Pro Plus, WL Meter Dedicated BP, MP-15 ®Sp. Cond. ® ' , • •.• Comments (weather conditions, color, type of sample, purge -water management, etc.): Signature: QA/QC Sign Off: Date: 0 iN Z,�Z o Date: 1 I�'I -3/ 20 ?� GOLDER Project Name: Well ID: _ Well Diameter: Depth to Bottom: Pumping Rate: Equipment: Rowan County Active MW-19 2 inches 22.05 feet jW mUmin Turbidimeter, YSI Pro Dedicated BP. MP-15 DATE: lQl Q i 2o? u IL GROUNDWATER SAMPLING LOG Project No./Phase No.: 20140083 Sampler(s): j�iCo(G5 --[ar5 Initial Depth to Water: Z 1 feet Water Column Thickness: i3• feet System Volume: 900 WL Meter ® ® ,is • ' •.•Mo Comments (weather conditions, color, type of sample, purge -water management, etc.): Px 4 Co) 1 ,bo QA/QC Sign Off: /2.oz v Date: I t / '�l zf" � APPENDIX B AUGUST 2020 GROUNDWATER AND SURFACE WATER CERTIFICATE -OF -ANALYSIS, CHAIN -OF -CUSTODY FORMS AND LABORATORY DATA REVIEWS 2�SQ pCCgF ENCO Laboratories 9e0 Accurate. Timely. Responsive. Innovative. 102-A Woodwinds Industrial Court Cary NC, 27511 Phone: 919.467.3090 FAX: 919.467.3515 Monday, August 24, 2020 Golder Associates, Inc. (G0007) Attn: Darren Cox 5B Oak Branch Drive Greensboro, NC 27407 RE: Laboratory Results for Project Number: 20140083.101, Project Name/Desc: Rowan County Active Landfills ENCO Workorder(s): CD10012 Dear Darren Cox, Enclosed is a copy of your laboratory report for test samples received by our laboratory on Thursday, August 13, 2020. Unless otherwise noted in an attached project narrative, all samples were received in acceptable condition and processed in accordance with the referenced methods/procedures. Results for these procedures apply only to the samples as submitted. The analytical results contained in this report are in compliance with NELAC standards, except as noted in the project narrative if applicable. This report shall not be reproduced except in full, without the written approval of the Laboratory. This report contains only those analyses performed by Environmental Conservation Laboratories. Unless otherwise noted, all analyses were performed at ENCO Cary. Data from outside organizations will be reported under separate cover. If you have any questions or require further information, please do not hesitate to contact me. Sincerely, Amanda L. Gaines Project Manager Enclosure(s) FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 1 of iJH PROJECT NARRATIVE Date: August 24, 2020 Client: Golder Associates, Inc. (G0007) Project: Rowan County Active Landfills Lab ID: CD10012 Overview (� �Eo www.encolabs.com Environmental Conservation Laboratories, Inc. (ENCO) analyzed all submitted samples in accordance with the methods referenced in the laboratory report. Any particular difficulties encountered during sample handling by ENCO are discussed in the QC Remarks section below. Quality Control Samples No Comments Quality Control Remarks No Comments Other Comments Methylene Chloride, a common laboratory contaminant, was detected in the 8260 D Trip Blank; however, this analyte was not detected in the associated samples, reducing the impact of the deviation. All samples received under this work order arrived in acceptable conditions. The samples were not checked for residual chlorine, as it is not required. The analytical data presented in this report are consistent with the methods as referenced in the analytical report. Any exceptions or deviations are noted in the QC remarks section of this narrative or in the Flags/Notes and Definitions section of the report. Released By: Environmental Conservation Laboratories, Inc. Amanda Gaines Project Manager FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 2 of 68 (� �Eo www.encolabs.com SAMPLE SUMMARY/LABORATORY CHRONICLE Client ID: 8003-MW3 Lab ID: CD10012-01 Sampled: 08/12/20 13:36 Received: 08/13/20 13:12 Parameter Preparation Hold Date/Time(s) Prep Date/Time(s) Analysis Date/Time(s) EPA 6010D EPA 3005A 02/08/21 08/14/20 13:04 08/18/20 10:46 EPA 6020E EPA 3005A 02/08/21 08/14/20 13:20 08/18/20 10:29 EPA 8260D EPA 503013_MS 08/26/20 08/17/20 13:36 08/18/20 11:06 Client ID: 8003-MW7 Lab ID: CD10012-02 Sampled: 08/12/20 12:13 Received: 08/13/20 13:12 Parameter Preparation Hold Date/Time(s) Prep Date/Time(s) Analysis Date/Time(s) EPA 6010D EPA 3005A 02/08/21 08/14/20 13:04 08/18/20 10:48 EPA 6020E EPA 3005A 02/08/21 08/14/20 13:20 08/18/20 10:33 EPA 8260D EPA 5030B_MS 08/26/20 08/17/20 13:36 08/18/20 12:05 Client ID: 8003-MW9 Lab ID: CD10012-03 Sampled: 08/10/20 13:39 Received: 08/13/20 13:12 Parameter Preparation Hold Date/Time(s) Prep Date/Time(s) Analysis Date/Time(sl EPA 6010D EPA 3005A 02/06/21 08/14/20 13:04 08/18/20 10:50 EPA 6020B EPA 3005A 02/06/21 08/14/20 13:20 08/18/20 10:37 EPA 8260D EPA 503013_MS 08/24/20 08/17/20 13:31 08/17/20 23:42 Client ID: 8003-MW11 Lab ID: CD10012-04 Sampled: 08/12/20 11:03 Received: 08/13/20 13:12 Parameter Preparation Hold Date/Time(s) Prep Date/Time(s) Analysis Date/Time(s) EPA 6010D EPA 3005A 02/08/21 08/14/20 13:04 08/18/20 10:53 EPA 6020E EPA 3005A 02/08/21 08/14/20 13:20 08/18/20 10:41 EPA 8260D EPA 503013_MS 08/26/20 08/17/20 13:36 08/18/20 12:35 Client ID: 8003-MW12 (MS/MSD) Lab ID: CD10012-05 Sampled: 08/11/20 14:15 Received: 08/13/20 13:12 Parameter Preparation Hold Date/Time(s) Prep Date/Time(s) Analysis Date/Time(s) EPA 6010D EPA 3005A 02/07/21 08/14/20 13:04 08/18/20 10:20 EPA 6020E EPA 3005A 02/07/21 08/14/20 13:20 08/18/20 10:54 EPA 8260D EPA 503013_MS 08/25/20 08/17/20 13:31 08/17/20 20:13 Client ID: 8003-MW13 Lab ID: CD10012-06 Sampled: 08/11/20 16:36 Received: 08/13/20 13:12 Parameter Preparation Hold Date/Time(s) Prep Date/Time(s) Analysis Date/Time(s) EPA 6010D EPA 3005A 02/07/21 08/14/20 13:04 08/18/20 10:55 EPA 6020B EPA 3005A 02/07/21 08/14/20 13:20 08/18/20 10:59 EPA 8260D EPA 5030B_MS 08/25/20 08/17/20 13:31 08/18/20 00:11 Client ID: 8003-MW16 Lab ID: CD10012-07 Sampled: 08/10/20 12:34 Received: 08/13/20 13:12 Parameter Preparation Hold Date/Time(s) Prep Date/Time(s) Analysis Date/Time(sl EPA 6010D EPA 3005A 02/06/21 08/14/20 13:04 08/18/20 10:58 EPA 6020B EPA 3005A 02/06/21 08/14/20 13:20 08/18/20 11:03 EPA 8260D EPA 503013_MS 08/24/20 08/17/20 13:31 08/18/20 00:41 Client ID: 8003-MW20 Lab ID: CD10012-08 Sampled: 08/12/20 10:37 Received: 08/13/20 13:12 Parameter Preparation Hold Date/Time(s) Prep Date/Time(s) Analysis Date/Time(s) EPA 6010D EPA 3005A 02/08/21 08/14/20 13:04 08/18/20 11:00 EPA 6020E EPA 3005A 02/08/21 08/14/20 13:20 08/18/20 11:07 EPA 8260D EPA 503013_MS 08/26/20 08/17/20 13:36 08/18/20 13:05 Client ID: 8003-MW23 Lab ID: CD10012-09 Sampled: 08/11/20 15:01 Received: 08/13/20 13:12 Parameter Preparation Hold Date/Time(s) Prep Date/Time(s) Analysis Date/Time(s) EPA 6010D EPA 3005A 02/07/21 08/14/20 13:04 08/18/20 11:02 EPA 6020E EPA 3005A 02/07/21 08/14/20 13:20 08/18/20 11:11 EPA 8260D EPA 503013_MS 08/25/20 08/17/20 13:31 08/18/20 01:11 FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 3 Of 68 (� �Eo www.encolabs.com SAMPLE SUMMARY/LABORATORY CHRONICLE Client ID: 8003-MW23A Lab ID: CD10012-10 Sampled: 08/11/20 17:23 Received: 08/13/20 13:12 Parameter Preparation Hold Date/Time(s) Prep Date/Time(s) Analysis Date/Time(s) EPA 6010D EPA 3005A 02/07/21 08/14/20 13:04 08/18/20 11:05 EPA 6020E EPA 3005A 02/07/21 08/14/20 13:20 08/18/20 11:16 EPA 8260D EPA 503013_MS 08/25/20 08/17/20 13:36 08/18/20 13:35 Client ID: 8003-MW24R Lab ID: CD10012-11 Sampled: 08/11/20 13:22 Received: 08/13/20 13:12 Parameter Preparation Hold Date/Time(s) Prep Date/Time(s) Analysis Date/Time(s) EPA 6010D EPA 3005A 02/07/21 08/14/20 13:04 08/18/20 11:07 EPA 6020E EPA 3005A 02/07/21 08/14/20 13:20 08/18/20 11:20 EPA 8260D EPA 5030B_MS 08/25/20 08/17/20 13:36 08/18/20 14:04 Client ID: 8003-MW25 Lab ID: CD10012-12 Sampled: 08/12/20 09:31 Received: 08/13/20 13:12 Parameter Preparation Hold Date/Time(s) Prep Date/Time(s) Analysis Date/Time(sl EPA 6010D EPA 3005A 02/08/21 08/14/20 13:04 08/18/20 11:15 EPA 6020B EPA 3005A 02/08/21 08/14/20 13:20 08/18/20 11:24 EPA 8260D EPA 503013_MS 08/26/20 08/17/20 13:36 08/18/20 14:34 Client ID: 8003-MW26 Lab ID: CD10012-13 Sampled: 08/10/20 14:38 Received: 08/13/20 13:12 Parameter Preparation Hold Date/Time(s) Prep Date/Time(s) Analysis Date/Time(s) EPA 6010D EPA 3005A 02/06/21 08/14/20 13:14 08/19/20 10:31 EPA 6020E EPA 3005A 02/06/21 08/14/20 13:20 08/18/20 11:28 EPA 8260D EPA 503013_MS 08/24/20 08/17/20 13:31 08/18/20 01:41 Client ID: 8003-MW27 Lab ID: CD10012-14 Sampled: 08/12/20 14:31 Received: 08/13/20 13:12 Parameter Preparation Hold Date/Time(s) Prep Date/Time(s) Analysis Date/Time(s) EPA 6010D EPA 3005A 02/08/21 08/14/20 13:14 08/19/20 10:45 EPA 6020E EPA 3005A 02/08/21 08/14/20 13:20 08/18/20 11:33 EPA 8260D EPA 503013_MS 08/26/20 08/17/20 13:36 08/18/20 15:05 Client ID: 8003-MW28R Lab ID: CD10012-15 Sampled: 08/12/20 11:50 Received: 08/13/20 13:12 Parameter Preparation Hold Date/Time(s) Prep Date/Time(s) Analysis Date/Time(s) EPA 6010D EPA 3005A 02/08/21 08/14/20 13:14 08/19/20 10:35 EPA 6020E EPA 3005A 02/08/21 08/14/20 13:20 08/18/20 11:46 EPA 8260D EPA 5030B_MS 08/26/20 08/17/20 13:36 08/18/20 15:35 Client ID: 8003-French Drain Lab ID: CD10012-16 Sampled: 08/11/20 17:15 Received: 08/13/20 13:12 Parameter Preparation Hold Date/Time(s) Prep Date/Time(s) Analysis Date/Time(sl EPA 6010D EPA 3005A 02/07/21 08/14/20 13:14 08/19/20 10:48 EPA 6020B EPA 3005A 02/07/21 08/14/20 13:20 08/18/20 11:50 EPA 8260D EPA 503013_MS 08/25/20 08/17/20 13:36 08/18/20 16:05 Client ID: 8003-SW1 Lab ID: CD10012-17 Sampled: 08/12/20 13:35 Received: 08/13/20 13:12 Parameter Preparation Hold Date/Time(s) Prep Date/Time(s) Analysis Date/Time(s) EPA 6010D EPA 3005A 02/08/21 08/14/20 13:14 08/19/20 10:50 EPA 6020E EPA 3005A 02/08/21 08/14/20 13:20 08/18/20 11:54 EPA 8260D EPA 503013_MS 08/26/20 08/17/20 13:36 08/18/20 17:35 Client ID: 8003-SW2 Lab ID: CD10012-18 Sampled: 08/12/20 14:46 Received: 08/13/20 13:12 Parameter Preparation Hold Date/Time(s) Prep Date/Time(s) Analysis Date/Time(s) EPA 6010D EPA 3005A 02/08/21 08/14/20 13:14 08/19/20 10:53 EPA 6020E EPA 3005A 02/08/21 08/14/20 13:20 08/18/20 11:58 EPA 8260D EPA 503013_MS 08/26/20 08/17/20 13:36 08/18/20 18:04 FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 4 Of 68 (� �Eo www.encolabs.com SAMPLE SUMMARY/LABORATORY CHRONICLE Client ID: 8003-SW4 Lab ID: CD10012-20 Sampled: 08/12/20 10:00 Received: 08/13/20 13:12 Parameter Preparation Hold Date/Time(s) Prep Date/Time(s) Analysis Date/Time(s) EPA 6010D EPA 3005A 02/08/21 08/14/20 13:14 08/19/20 10:55 EPA 6020E EPA 3005A 02/08/21 08/14/20 13:20 08/18/20 12:03 EPA 8260D EPA 503013_MS 08/26/20 08/18/20 15:41 08/18/20 23:32 Client ID: 8003-Field Blank Lab ID: CD10012-21 Sampled: 08/12/20 14:30 Received: 08/13/20 13:12 Parameter Preparation Hold Date/Time(s) Prep Date/Time(s) Analysis Date/Time(s) EPA 6010D EPA 3005A 02/08/21 08/14/20 13:14 08/19/20 10:57 EPA 6020E EPA 3005A 02/08/21 08/15/20 10:02 08/21/20 06:01 EPA 8260D EPA 5030B_MS 08/26/20 08/17/20 00:00 08/17/20 15:15 EPA 8260D EPA 503013_MS 08/26/20 08/18/20 15:41 08/19/20 00:02 Client ID: 8003-Trip Blank Lab ID: CD10012-22 Sampled: 08/10/20 13:39 Received: 08/13/20 13:12 Parameter Preparation Hold Date/Time(s) Prep Date/Time(s) Analysis Date/Time(s) EPA 8260D EPA 5030B_MS 08/24/20 08/17/20 13:31 08/18/20 02:10 FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 5 Of 68 (� �Eo www.encolabs.com SAMPLE DETECTION SUMMARY Client ID: 8003-MW3 Lab ID: CD10012-01 Analvte Results Flag MDL Q Units Method Notes Barium - Total 102 1.10 10.0 ug/L EPA 6010D Chromium - Total 1.59 J 1.40 10.0 ug/L EPA 6010D Cobalt - Total 2.01 J 1.40 10.0 ug/L EPA 6010D Copper - Total 2.81 J 1.60 10.0 ug/L EPA 6010D Nickel - Total 3.29 J 2.20 10.0 ug/L EPA 6010D Zinc - Total 6.03 J 4.40 10.0 ug/L EPA 6010D Client ID: 8003-MW7 Lab ID: CD10012-02 Analvte Results Flag MDL Q Units Method Notes Barium - Total 66.1 1.10 10.0 ug/L EPA 6010D Beryllium - Total 0.191 J 0.160 1.00 ug/L EPA 6010D Chromium - Total 5.75 J 1.40 10.0 ug/L EPA 6010D Copper - Total 2.06 J 1.60 10.0 ug/L EPA 6010D Tetrachloroethene 0.54 J 0.17 1.0 ug/L EPA 8260D Client ID: 8003-MW9 Lab ID: CD10012-03 Analvte Results Flag MDL PQL Units Method Notes Barium - Total 67.6 1.10 10.0 ug/L EPA 6010D Chromium - Total 3.98 J 1.40 10.0 ug/L EPA 6010D Copper - Total 2.12 J 1.60 10.0 ug/L EPA 6010D Nickel - Total 6.29 J 2.20 10.0 ug/L EPA 6010D Vanadium - Total 2.44 J 1.40 10.0 ug/L EPA 6010D Client ID: 8003-MW31 Lab ID: CD10012-04 Analvte Results Flag MDL PQL Units Method Notes Barium - Total 52.5 1.10 10.0 ug/L EPA 6010D Chromium - Total 3.00 J 1.40 10.0 ug/L EPA 6010D Copper - Total 2.25 J 1.60 10.0 ug/L EPA 6010D Vanadium - Total 3.62 J 1.40 10.0 ug/L EPA 6010D Zinc - Total 5.13 J 4.40 10.0 ug/L EPA 6010D Client ID: 8003-MW12 (MS/MSD) Lab ID: CD10012-05 Analvte Results Flag MDL PQL Units Method Notes Barium - Total 53.3 1.10 10.0 ug/L EPA 6010D Beryllium - Total 0.172 1 0.160 1.00 ug/L EPA 6010D Chromium - Total 1.72 1 1.40 10.0 ug/L EPA 6010D Copper - Total 1.93 J 1.60 10.0 uq/L EPA 6010D I Client ID: 8003-MW33 Lab ID: CD10012-06 Analvte Results Flag MDL PQL Units Method Notes Barium - Total 102 1.10 10.0 ug/L EPA 6010D Chromium - Total 4.42 J 1.40 10.0 ug/L EPA 6010D Copper - Total 2.30 J 1.60 10.0 ug/L EPA 6010D Vanadium - Total 2.39 J 1.40 10.0 ug/L EPA 6010D Client ID: 8003-MW36 Lab ID: CD10012-07 Analvte Results Flag MDL PQL Units Method Notes Barium - Total 16.6 1.10 10.0 ug/L EPA 6010D Chromium - Total 1.48 J 1.40 10.0 ug/L EPA 6010D Copper - Total 2.34 J 1.60 10.0 ug/L EPA 6010D Client ID: 8003-MW20 Lab ID: CD10012-08 Analvte Results Flag MDL PQL Units Method Notes Barium - Total 79.1 1.10 10.0 ug/L EPA 6010D Chromium - Total 1.83 J 1.40 10.0 ug/L EPA 6010D Cobalt - Total 4.50 J 1.40 10.0 ug/L EPA 6010D Copper - Total 6.60 J 1.60 10.0 ug/L EPA 6010D Nickel - Total 4.57 J 2.20 10.0 ug/L EPA 6010D Zinc - Total 13.8 4.40 10.0 ug/L EPA 6010D FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 6 Of 68 (� �Eo www.encolabs.com SAMPLE DETECTION SUMMARY Client ID: 8003-MW23 Lab ID: CD10012-09 Analvte Results Flag MDL Q Units Method Notes Barium - Total 249 1.10 10.0 ug/L EPA 6010D Beryllium - Total 0.172 J 0.160 1.00 ug/L EPA 6010D Chromium - Total 4.54 J 1.40 10.0 ug/L EPA 6010D Copper - Total 2.04 J 1.60 10.0 ug/L EPA 6010D Nickel - Total 6.93 J 2.20 10.0 ug/L EPA 6010D Zinc - Total 5.19 J 4.40 10.0 ug/L EPA 6010D Client ID: 8003-MW23A Lab ID: CD10012-10 Analvte Results Flag MDL Q Units Method Notes Barium - Total 21.7 1.10 10.0 ug/L EPA 6010D Chromium - Total 1.94 J 1.40 10.0 ug/L EPA 6010D Copper - Total 3.68 J 1.60 10.0 ug/L EPA 6010D Silver - Total 3.69 J 1.90 10.0 ug/L EPA 6010D Vanadium - Total 5.08 J 1.40 10.0 ug/L EPA 6010D Zinc - Total 5.99 J 4.40 10.0 ug/L EPA 6010D Client ID: 8003-MW24R Lab ID: CD10012-11 Analvte Results Flag MDL Q Units Method Notes Barium - Total 57.2 1.10 10.0 ug/L EPA 6010D Beryllium - Total 0.225 J 0.160 1.00 ug/L EPA 6010D Copper - Total 2.61 J 1.60 10.0 ug/L EPA 6010D Silver - Total 2.24 J 1.90 10.0 ug/L EPA 6010D Client ID: 8003-MW25 Lab ID: CD10012-12 Analvte Results Flag MDL PQL Units Method Notes Barium - Total 27.8 1.10 10.0 ug/L EPA 6010D Chromium - Total 5.65 J 1.40 10.0 ug/L EPA 6010D Copper - Total 2.49 J 1.60 10.0 ug/L EPA 6010D Silver - Total 2.13 J 1.90 10.0 ug/L EPA 6010D Vanadium - Total 7.97 J 1.40 10.0 ug/L EPA 6010D Client ID: 8003-MW26 Lab ID: CD10012-13 Analvte Results Flag MDL PQL Units Method Notes Barium - Total 74.4 1.10 10.0 ug/L EPA 6010D Beryllium - Total 0.294 1 0.160 1.00 ug/L EPA 6010D Client ID: 8003-MW27 Lab ID: CD10012-14 Analvte Results Flag MDL PQL Units Method Notes Barium - Total 82.9 1.10 10.0 ug/L EPA 6010D Beryllium - Total 0.315 1 0.160 1.00 ug/L EPA 6010D Chromium - Total 1.88 1 1.40 10.0 ug/L EPA 6010D Copper - Total 1.64 J 1.60 10.0 ug/L EPA 6010D Client ID: 8003-MW28R Lab ID: CD10012-15 Analvte Results Flag MDL PQL Units Method Notes Barium - Total 395 1.10 10.0 ug/L EPA 6010D Beryllium - Total 0.681 J 0.160 1.00 ug/L EPA 6010D Chromium - Total 1.41 J 1.40 10.0 ug/L EPA 6010D Cobalt - Total 2.97 J 1.40 10.0 ug/L EPA 6010D Copper - Total 1.72 J 1.60 10.0 ug/L EPA 6010D Zinc - Total 5.73 J 4.40 10.0 ug/L EPA 6010D Client ID: 8003-French Drain Lab ID: CD10012-16 Analvte Results Flag MDL PQL Units Method Notes Barium - Total 33.0 1.10 10.0 ug/L EPA 6010D Copper - Total 3.49 J 1.60 10.0 ug/L EPA 6010D Vanadium - Total 5.58 J 1.40 10.0 ug/L EPA 6010D FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 7 Of 68 (� �Eo www.encolabs.com SAMPLE DETECTION SUMMARY Client ID: 8003-SW3 Lab ID: CD10012-17 Analvte Results Flag MDL Q Units Method Notes Barium - Total 63.5 1.10 10.0 ug/L EPA 6010D Chromium - Total 1.74 J 1.40 10.0 ug/L EPA 6010D Copper - Total 5.39 J 1.60 10.0 ug/L EPA 6010D Vanadium - Total 9.15 J 1.40 10.0 ug/L EPA 6010D Zinc - Total 4.77 J 4.40 10.0 uq/L EPA 6010D Client ID: 8003-SW2 Lab ID: CD10012-18 Analvte Results Flag MDL PQL Units Method Notes Barium - Total 61.6 1.10 10.0 ug/L EPA 6010D Copper - Total 5.21 J 1.60 10.0 ug/L EPA 6010D Vanadium - Total 7.21 J 1.40 10.0 ug/L EPA 6010D Client ID: 8003-SW4 Lab ID: CD10012-20 Analvte Results Flag MDL PQL Units Method Notes Barium - Total 75.7 1.10 10.0 ug/L EPA 6010D Vanadium - Total 1.42 J 1.40 10.0 ug/L EPA 6010D Client ID: 8003-Field Blank Lab ID: CD10012-21 Analvte Results Flag MDL PQL Units Method Notes Copper - Total 1.95 J 1.60 10.0 ug/L EPA 6010D Silver - Total 2.17 J 1.90 10.0 ug/L EPA 6010D Client ID: 8003-Trip Blank Lab ID: CD10012-22 Analvte Results Flag MDL PQL Units Method Notes Methylene chloride 1.2 0.23 1.0 ug/L EPA 8260D 0-01 FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 8 Of 68 00� www.encolabs.com ANALYTICAL RESULTS Description: 8003-MW1 Lab Sample ID:CD10012-01 Received: 08/13/20 13:12 Matrix: Ground Water Sampled:08/12/20 13:36 Work Order: CD10012 Project: Rowan County Active Landfills Sampled By:Travis Martinez/Nicolas Tej Volatile Organic Compounds by GCMS ^ - ENCO Cary certfied anaiyte [NC 591] Analyte ICAS Numberl Results Flaa Units DF MDL P L Batch Method Analyzed Notes 1,1,1,2-Tetrachloroethane [630-20-6]A 0.17 u ug/L 1 0.17 1.0 OH17032 EPA 8260D 08/18/20 11:06 REF 1,1,1-Trichloroethane [71-55-6]A 0.12 u ug/L 1 0.12 1.0 OH17032 EPA 8260D 08/18/20 11:06 REF 1,1,2,2-Tetrachloroethane [79-34-5]A 0.28 u ug/L 1 0.28 1.0 OH17032 EPA 8260D 08/18/20 11:06 REF 1,1,2-Trichloroethane [79-00-5]A 0.14 u ug/L 1 0.14 1.0 OH17032 EPA 8260D 08/18/20 11:06 REF 1,1-Dichloroethane [75-34-3]^ 0.13 u ug/L 1 0.13 1.0 OH17032 EPA 8260D 08/18/20 11:06 REF 1,1-Dichloroethene [75-35-4]^ 0.21 u ug/L 1 0.21 1.0 OH17032 EPA 8260D 08/18/20 11:06 REF 1,2,3-Trichloropropane [96-18-4]^ 0.23 u ug/L 1 0.23 1.0 OH17032 EPA 8260D 08/18/20 11:06 REF 1,2-Dibromo-3-chloropropane [96-12-8]^ 0.48 u ug/L 1 0.48 1.0 OH17032 EPA 8260D 08/18/20 11:06 REF 1,2-Dibromoethane [106-93-4]^ 0.66 u ug/L 1 0.66 1.0 OH17032 EPA 8260D 08/18/20 11:06 REF 1,2-Dichlorobenzene [95-50-1]^ 0.19 u ug/L 1 0.19 1.0 OH17032 EPA 8260D 08/18/20 11:06 REF 1,2-Dichloroethane [107-06-2]^ 0.21 u ug/L 1 0.21 1.0 OH17032 EPA 8260D 08/18/20 11:06 REF 1,2-Dichloropropane [78-87-5]^ 0.10 u ug/L 1 0.10 1.0 OH17032 EPA 8260D 08/18/20 11:06 REF 1,4-Dichlorobenzene [106-46-7]^ 0.19 u ug/L 1 0.19 1.0 OH17032 EPA 8260D 08/18/20 11:06 REF 2-Butanone [78-93-3]A 1.3 u ug/L 1 1.3 5.0 OH17032 EPA 8260D 08/18/20 11:06 REF 2-Hexanone [591-78-6]A 0.88 u ug/L 1 0.88 5.0 OH17032 EPA 8260D 08/18/20 11:06 REF 4-Methyl-2-pentanone [108-10-1]^ 1.1 u ug/L 1 1.1 5.0 OH17032 EPA 8260D 08/18/20 11:06 REF Acetone [67-64-1]A 10 u ug/L 1 10 20 OH17032 EPA 8260D 08/18/20 11:06 REF Acrylonitrile [107-13-1]^ 3.5 u ug/L 1 3.5 10 OH17032 EPA 8260D 08/18/20 11:06 REF Benzene[71-43-2]A 0.15 u ug/L 1 0.15 1.0 OH17032 EPA 8260D 08/18/20 11:06 REF Bromochloromethane [74-97-5]A 0.48 u ug/L 1 0.48 1.0 OH17032 EPA 8260D 08/18/20 11:06 REF Bromodichloromethane [75-27-4]^ 0.17 u ug/L 1 0.17 1.0 OH17032 EPA 8260D 08/18/20 11:06 REF Bromoform [75-25-2]^ 0.22 u ug/L 1 0.22 1.0 OH17032 EPA 8260D 08/18/20 11:06 REF Bromomethane [74-83-9]A 0.14 u ug/L 1 0.14 1.0 OH17032 EPA 8260D 08/18/20 11:06 REF Carbon disulfide [75-15-O]A 1.5 u ug/L 1 1.5 5.0 OH17032 EPA 8260D 08/18/20 11:06 REF Carbon tetrachloride [56-23-5]A 0.17 u ug/L 1 0.17 1.0 OH17032 EPA 8260D 08/18/20 11:06 REF Chlorobenzene[108-90-7]A 0.17 u ug/L 1 0.17 1.0 OH17032 EPA 8260D 08/18/20 11:06 REF Chloroethane [75-00-3]A 0.23 u ug/L 1 0.23 1.0 OH17032 EPA 8260D 08/18/20 11:06 REF Chloroform [67-66-3]^ 0.18 u ug/L 1 0.18 1.0 OH17032 EPA 8260D 08/18/20 11:06 REF Chloromethane [74-87-3]A 0.13 u ug/L 1 0.13 1.0 OH17032 EPA 8260D 08/18/20 11:06 REF cis-1,2-Dichloroethene [156-59-2]^ 0.15 u ug/L 1 0.15 1.0 OH17032 EPA 8260D 08/18/20 11:06 REF cis-1,3-Dichloropropene [10061-01-5]A 0.20 u ug/L 1 0.20 1.0 OH17032 EPA 8260D 08/18/20 11:06 REF Dibromochloromethane [124-48-1]A 0.17 u ug/L 1 0.17 1.0 OH17032 EPA 8260D 08/18/20 11:06 REF Dibromomethane [74-95-3]A 0.27 u ug/L 1 0.27 1.0 OH17032 EPA 8260D 08/18/20 11:06 REF Ethylbenzene [100-41-4]A 0.13 u ug/L 1 0.13 1.0 OH17032 EPA 8260D 08/18/20 11:06 REF Iodomethane [74-88-4]^ 1.7 u ug/L 1 1.7 5.0 OH17032 EPA 8260D 08/18/20 11:06 REF Methylene chloride [75-09-2]A 0.23 u ug/L 1 0.23 1.0 OH17032 EPA 8260D 08/18/20 11:06 REF Styrene [100-42-5]A 0.11 u ug/L 1 0.11 1.0 OH17032 EPA 8260D 08/18/20 11:06 REF Tetrachloroethene [127-18-4]A 0.17 u ug/L 1 0.17 1.0 OH17032 EPA 8260D 08/18/20 11:06 REF Toluene [108-88-3]^ 0.14 u ug/L 1 0.14 1.0 OH17032 EPA 8260D 08/18/20 11:06 REF trans-1,2-Dichloroethene [156-60-5]^ 0.21 u ug/L 1 0.21 1.0 OH17032 EPA 8260D 08/18/20 11:06 REF trans-1,3-Dichloropropene [10061-02-6]^ 0.15 u ug/L 1 0.15 1.0 OH17032 EPA 8260D 08/18/20 11:06 REF trans-1,4-Dichloro-2-butene [110-57-6]A 0.70 u ug/L 1 0.70 1.0 OH17032 EPA 8260D 08/18/20 11:06 REF Trichloroethene [79-01-6]^ 0.15 u ug/L 1 0.15 1.0 OH17032 EPA 8260D 08/18/20 11:06 REF Trichlorofluoromethane [75-69-4]^ 0.24 u ug/L 1 0.24 1.0 OH17032 EPA 8260D 08/18/20 11:06 REF Vinyl acetate [108-05-4]A 0.95 u ug/L 1 0.95 5.0 OH17032 EPA 8260D 08/18/20 11:06 REF A-07 Vinyl chloride [75-01-4]^ 0.32 u ug/L 1 0.32 1.0 OH17032 EPA 8260D 08/18/20 11:06 REF Xylenes (Total) [1330-20-7]A 0.45 u ug/L 1 0.45 3.0 OH17032 EPA 8260D 08/18/20 11:06 REF FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 9 Of 68 (� �Eo www.encolabs.com ANALYTICAL RESULTS Description: 8003-MW1 Lab Sample ID:CD10012-01 Received: 08/13/20 13:12 Matrix: Ground Water Sampled:08/12/20 13:36 Work Order: CD10012 Project: Rowan County Active Landfills Sampled By:Travis Martinez/Nicolas Tej Volatile Organic Compounds by GCMS ^ - ENCO Cary certified analyte [NC 591] Surrogates Results DF Spike Lv/ % Rec % Rec Limits Batch Method Ana/vzed By Notes 4-Bromofluorobenzene 42 1 50.0 84 % 53-136 OH17032 EPA 6260D 08118120 11:06 REF Dibromofluoromethane 45 1 50.0 89 % 67-129 OH17032 EPA 6260D 0811812011:06 REF Toluene-& 41 1 50.0 83 % 59-134 OH17032 EPA 6260D 0811812011:06 REF Metals (total recoverable) by EPA 6000/7000 Series Methods ^ - ENCO Cary certified analyte [NC 591] Analyte rCAS Numberl Results Flag Units DF MDL PQL Batch Method Analyzed Ay Notes Antimony [7440-36-O]^ 0.740 U ug/L 2 0.740 2.00 OH14041 EPA 6020B 08/18/20 10:29 RLF Arsenic[7440-38-2]^ 7.60 U ug/L 1 7.60 10.0 OH14038 EPA 6010D 08/18/20 10:46 JDH Barium [7440-39-3]^ 102 ug/L 1 1.10 10.0 OH14038 EPA 6010D 08/18/20 10:46 JDH Beryllium [7440-41-7]^ 0.160 U ug/L 1 0.160 1.00 OH14038 EPA 6010D 08/18/20 10:46 JDH Cadmium [7440-43-9]^ 0.360 U ug/L 1 0.360 1.00 OH14038 EPA 6010D 08/18/20 10:46 JDH Chromium [7440-47-3]^ 1.59 J ug/L 1 1.40 10.0 OH14038 EPA 6010D 08/18/20 10:46 JDH Cobalt[7440-48-4]^ 2.01 J ug/L 1 1.40 10.0 OH14038 EPA 6010D 08/18/20 10:46 JDH Copper[7440-50-8]^ 2.81 J ug/L 1 1.60 10.0 OH14038 EPA 6010D 08/18/20 10:46 JDH Lead [7439-92-1]^ 3.10 U ug/L 1 3.10 10.0 OH14038 EPA 6010D 08/18/20 10:46 JDH Nickel[7440-02-O]^ 3.29 J ug/L 1 2.20 10.0 OH14038 EPA 6010D 08/18/20 10:46 JDH Selenium [7782-49-2]^ 6.20 U ug/L 1 6.20 10.0 OH14038 EPA 6010D 08/18/20 10:46 JDH Silver [7440-22-4]^ 1.90 U ug/L 1 1.90 10.0 OH14038 EPA 6010D 08/18/20 10:46 JDH Thallium [7440-28-O]^ 0.220 U ug/L 2 0.220 2.00 OH14041 EPA 6020B 08/18/20 10:29 RLF Vanadium [7440-62-2]^ 1.40 U ug/L 1 1.40 10.0 OH14038 EPA 6010D 08/18/20 10:46 JDH Zinc[7440-66-6]^ 6.03 J ug/L 1 4.40 10.0 OH14038 EPA 6010D 08/18/20 10:46 JDH FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 10 of 68 00� www.encolabs.com ANALYTICAL RESULTS Description: 8003-MW7 Lab Sample ID:CD10012-02 Received: 08/13/20 13:12 Matrix: Ground Water Sampled:08/12/20 12:13 Work Order: CD10012 Project: Rowan County Active Landfills Sampled By:Travis Martinez/Nicolas Tej Volatile Organic Compounds by GCMS ^ - ENCO Cary certfied anaiyte [NC 591] Analyte ICAS Numberl Results Flaa Units DF MDL P L Batch Method Analyzed Notes 1,1,1,2-Tetrachloroethane [630-20-6]A 0.17 u ug/L 1 0.17 1.0 OH17032 EPA 8260D 08/18/20 12:05 REF 1,1,1-Trichloroethane [71-55-6]A 0.12 u ug/L 1 0.12 1.0 OH17032 EPA 8260D 08/18/20 12:05 REF 1,1,2,2-Tetrachloroethane [79-34-5]A 0.28 u ug/L 1 0.28 1.0 OH17032 EPA 8260D 08/18/20 12:05 REF 1,1,2-Trichloroethane [79-00-5]A 0.14 u ug/L 1 0.14 1.0 OH17032 EPA 8260D 08/18/20 12:05 REF 1,1-Dichloroethane [75-34-3]A 0.13 u ug/L 1 0.13 1.0 OH17032 EPA 8260D 08/18/20 12:05 REF 1,1-Dichloroethene [75-35-4]A 0.21 u ug/L 1 0.21 1.0 OH17032 EPA 8260D 08/18/20 12:05 REF 1,2,3-Trichloropropane [96-18-4]A 0.23 u ug/L 1 0.23 1.0 OH17032 EPA 8260D 08/18/20 12:05 REF 1,2-Dibromo-3-chloropropane [96-12-8]A 0.48 u ug/L 1 0.48 1.0 OH17032 EPA 8260D 08/18/20 12:05 REF 1,2-Dibromoethane [106-93-4]A 0.66 u ug/L 1 0.66 1.0 OH17032 EPA 8260D 08/18/20 12:05 REF 1,2-Dichlorobenzene [95-50-1]A 0.19 u ug/L 1 0.19 1.0 OH17032 EPA 8260D 08/18/20 12:05 REF 1,2-Dichloroethane [107-06-2]A 0.21 u ug/L 1 0.21 1.0 OH17032 EPA 8260D 08/18/20 12:05 REF 1,2-Dichloropropane [78-87-5]A 0.10 u ug/L 1 0.10 1.0 OH17032 EPA 8260D 08/18/20 12:05 REF 1,4-Dichlorobenzene [106-46-7]A 0.19 u ug/L 1 0.19 1.0 OH17032 EPA 8260D 08/18/20 12:05 REF 2-Butanone [78-93-3]A 1.3 u ug/L 1 1.3 5.0 OH17032 EPA 8260D 08/18/20 12:05 REF 2-Hexanone [591-78-6]A 0.88 u ug/L 1 0.88 5.0 OH17032 EPA 8260D 08/18/20 12:05 REF 4-Methyl-2-pentanone [108-10-1]A 1.1 u ug/L 1 1.1 5.0 OH17032 EPA 8260D 08/18/20 12:05 REF Acetone [67-64-1]A 10 u ug/L 1 10 20 OH17032 EPA 8260D 08/18/20 12:05 REF Acrylonitrile [107-13-1]A 3.5 u ug/L 1 3.5 10 OH17032 EPA 8260D 08/18/20 12:05 REF Benzene [71-43-2]A 0.15 u ug/L 1 0.15 1.0 OH17032 EPA 8260D 08/18/20 12:05 REF Bromochloromethane [74-97-5]A 0.48 u ug/L 1 0.48 1.0 OH17032 EPA 8260D 08/18/20 12:05 REF Bromodichloromethane [75-27-4]A 0.17 u ug/L 1 0.17 1.0 OH17032 EPA 8260D 08/18/20 12:05 REF Bromoform [75-25-2]A 0.22 u ug/L 1 0.22 1.0 OH17032 EPA 8260D 08/18/20 12:05 REF Bromomethane [74-83-9]A 0.14 u ug/L 1 0.14 1.0 OH17032 EPA 8260D 08/18/20 12:05 REF Carbon disulfide [75-15-O]A 1.5 u ug/L 1 1.5 5.0 OH17032 EPA 8260D 08/18/20 12:05 REF Carbon tetrachloride [56-23-5]A 0.17 u ug/L 1 0.17 1.0 OH17032 EPA 8260D 08/18/20 12:05 REF Chlorobenzene [108-90-7]A 0.17 u ug/L 1 0.17 1.0 OH17032 EPA 8260D 08/18/20 12:05 REF Chloroethane [75-00-3]A 0.23 u ug/L 1 0.23 1.0 OH17032 EPA 8260D 08/18/20 12:05 REF Chloroform [67-66-3]A 0.18 u ug/L 1 0.18 1.0 OH17032 EPA 8260D 08/18/20 12:05 REF Chloromethane [74-87-3]A 0.13 u ug/L 1 0.13 1.0 OH17032 EPA 8260D 08/18/20 12:05 REF cis-1,2-Dichloroethene [156-59-2]A 0.15 u ug/L 1 0.15 1.0 OH17032 EPA 8260D 08/18/20 12:05 REF cis-1,3-Dichloropropene [10061-01-5]A 0.20 u ug/L 1 0.20 1.0 OH17032 EPA 8260D 08/18/20 12:05 REF Dibromochloromethane [124-48-1]A 0.17 u ug/L 1 0.17 1.0 OH17032 EPA 8260D 08/18/20 12:05 REF Dibromomethane [74-95-3]A 0.27 u ug/L 1 0.27 1.0 OH17032 EPA 8260D 08/18/20 12:05 REF Ethylbenzene [100-41-4]A 0.13 u ug/L 1 0.13 1.0 OH17032 EPA 8260D 08/18/20 12:05 REF Iodomethane [74-88-4]A 1.7 u ug/L 1 1.7 5.0 OH17032 EPA 8260D 08/18/20 12:05 REF Methylene chloride [75-09-2]A 0.23 u ug/L 1 0.23 1.0 OH17032 EPA 8260D 08/18/20 12:05 REF Styrene [100-42-5]A 0.11 u ug/L 1 0.11 1.0 OH17032 EPA 8260D 08/18/20 12:05 REF Tetrachloroethene [127-18-4]A 0.54 J ug/L 1 0.17 1.0 OH17032 EPA 8260D 08/18/20 12:05 REF Toluene [108-88-3]A 0.14 u ug/L 1 0.14 1.0 OH17032 EPA 8260D 08/18/20 12:05 REF trans-1,2-Dichloroethene [156-60-5]A 0.21 u ug/L 1 0.21 1.0 OH17032 EPA 8260D 08/18/20 12:05 REF trans-1,3-Dichloropropene [10061-02-6]A 0.15 u ug/L 1 0.15 1.0 OH17032 EPA 8260D 08/18/20 12:05 REF trans-1,4-Dichloro-2-butene [110-57-6]A 0.70 u ug/L 1 0.70 1.0 OH17032 EPA 8260D 08/18/20 12:05 REF Trichloroethene [79-01-6]A 0.15 u ug/L 1 0.15 1.0 OH17032 EPA 8260D 08/18/20 12:05 REF Trichlorofluoromethane [75-69-4]A 0.24 u ug/L 1 0.24 1.0 OH17032 EPA 8260D 08/18/20 12:05 REF Vinyl acetate [108-05-4]A 0.95 u ug/L 1 0.95 5.0 OH17032 EPA 8260D 08/18/20 12:05 REF A-07 Vinyl chloride [75-01-4]A 0.32 u ug/L 1 0.32 1.0 OH17032 EPA 8260D 08/18/20 12:05 REF Xylenes (Total) [1330-20-7]A 0.45 u ug/L 1 0.45 3.0 OH17032 EPA 8260D 08/18/20 12:05 REF FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 11 Of 68 (� �Eo www.encolabs.com ANALYTICAL RESULTS Description: 8003-MW7 Lab Sample ID:CD10012-02 Received: 08/13/20 13:12 Matrix: Ground Water Sampled:08/12/20 12:13 Work Order: CD10012 Project: Rowan County Active Landfills Sampled By:Travis Martinez/Nicolas Tej Volatile Organic Compounds by GCMS ^ - ENCO Cary certified analyte [NC 591] Surrogates Results DF Spike Lv/ % Rec % Rec Limits Batch Method Ana/vzed By Notes 4-Bromofluorobenzene 40 1 50.0 80 % 53-136 OH17032 EPA 6260D 08118120 12:05 REF Dibromofluoromethane 46 1 50.0 92 % 67-129 OH17032 EPA 6260D 0811812012:05 REF Toluene-& 41 1 50.0 82 % 59-134 OH17032 EPA 6260D 0811812012:05 REF Metals (total recoverable) by EPA 6000/7000 Series Methods ^ - ENCO Cary certified analyte [NC 591] Analyte rCAS Numberl Results Flag Units DF MDL PQL Batch Method Analyzed Ay Notes Antimony [7440-36-O]^ 0.740 U ug/L 2 0.740 2.00 OH14041 EPA 6020B 08/18/20 10:33 RLF Arsenic[7440-38-2]^ 7.60 U ug/L 1 7.60 10.0 OH14038 EPA 6010D 08/18/20 10:48 JDH Barium [7440-39-3]^ 66.1 ug/L 1 1.10 10.0 OH14038 EPA 6010D 08/18/20 10:48 JDH Beryllium [7440-41-7]^ 0.191 J ug/L 1 0.160 1.00 OH14038 EPA 6010D 08/18/20 10:48 JDH Cadmium [7440-43-9]^ 0.360 U ug/L 1 0.360 1.00 OH14038 EPA 6010D 08/18/20 10:48 JDH Chromium [7440-47-3]^ 5.75 J ug/L 1 1.40 10.0 OH14038 EPA 6010D 08/18/20 10:48 JDH Cobalt [7440-48-4]^ 1.40 U ug/L 1 1.40 10.0 OH14038 EPA 6010D 08/18/20 10:48 JDH Copper[7440-50-8]^ 2.06 J ug/L 1 1.60 10.0 OH14038 EPA 6010D 08/18/20 10:48 JDH Lead [7439-92-1]^ 3.10 U ug/L 1 3.10 10.0 OH14038 EPA 6010D 08/18/20 10:48 JDH Nickel[7440-02-O]^ 2.20 U ug/L 1 2.20 10.0 OH14038 EPA 6010D 08/18/20 10:48 JDH Selenium [7782-49-2]^ 6.20 U ug/L 1 6.20 10.0 OH14038 EPA 6010D 08/18/20 10:48 JDH Silver [7440-22-4]^ 1.90 U ug/L 1 1.90 10.0 OH14038 EPA 6010D 08/18/20 10:48 JDH Thallium [7440-28-O]^ 0.220 U ug/L 2 0.220 2.00 OH14041 EPA 6020B 08/18/20 10:33 RLF Vanadium [7440-62-2]^ 1.40 U ug/L 1 1.40 10.0 OH14038 EPA 6010D 08/18/20 10:48 JDH Zinc[7440-66-6]^ 4.40 U ug/L 1 4.40 10.0 OH14038 EPA 6010D 08/18/20 10:48 JDH FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 12 of 68 00� www.encolabs.com ANALYTICAL RESULTS Description: 8003-MW9 Lab Sample ID:CD10012-03 Received: 08/13/20 13:12 Matrix: Ground Water Sampled:08/10/20 13:39 Work Order: CD10012 Project: Rowan County Active Landfills Sampled By:Travis Martinez/Nicolas Tej Volatile Organic Compounds by GCMS ^ - ENCO Cary certfied anaiyte [NC 591] Analyte ICAS Numberl Results Flaa Units DF MDL P L Batch Method Analyzed Notes 1,1,1,2-Tetrachloroethane [630-20-6]A 0.17 u ug/L 1 0.17 1.0 OH17031 EPA 8260D 08/17/20 23:42 REF 1,1,1-Trichloroethane [71-55-6]A 0.12 u ug/L 1 0.12 1.0 OH17031 EPA 8260D 08/17/20 23:42 REF 1,1,2,2-Tetrachloroethane [79-34-5]A 0.28 u ug/L 1 0.28 1.0 OH17031 EPA 8260D 08/17/20 23:42 REF 1,1,2-Trichloroethane [79-00-5]A 0.14 u ug/L 1 0.14 1.0 OH17031 EPA 8260D 08/17/20 23:42 REF 1,1-Dichloroethane [75-34-3]^ 0.13 u ug/L 1 0.13 1.0 OH17031 EPA 8260D 08/17/20 23:42 REF 1,1-Dichloroethene [75-35-4]^ 0.21 u ug/L 1 0.21 1.0 OH17031 EPA 8260D 08/17/20 23:42 REF 1,2,3-Trichloropropane [96-18-4]^ 0.23 u ug/L 1 0.23 1.0 OH17031 EPA 8260D 08/17/20 23:42 REF 1,2-Dibromo-3-chloropropane [96-12-8]^ 0.48 u ug/L 1 0.48 1.0 OH17031 EPA 8260D 08/17/20 23:42 REF 1,2-Dibromoethane [106-93-4]^ 0.66 u ug/L 1 0.66 1.0 OH17031 EPA 8260D 08/17/20 23:42 REF 1,2-Dichlorobenzene [95-50-1]^ 0.19 u ug/L 1 0.19 1.0 OH17031 EPA 8260D 08/17/20 23:42 REF 1,2-Dichloroethane [107-06-2]^ 0.21 u ug/L 1 0.21 1.0 OH17031 EPA 8260D 08/17/20 23:42 REF 1,2-Dichloropropane [78-87-5]^ 0.10 u ug/L 1 0.10 1.0 OH17031 EPA 8260D 08/17/20 23:42 REF 1,4-Dichlorobenzene [106-46-7]^ 0.19 u ug/L 1 0.19 1.0 OH17031 EPA 8260D 08/17/20 23:42 REF 2-Butanone [78-93-3]A 1.3 u ug/L 1 1.3 5.0 OH17031 EPA 8260D 08/17/20 23:42 REF 2-Hexanone [591-78-6]A 0.88 u ug/L 1 0.88 5.0 OH17031 EPA 8260D 08/17/20 23:42 REF 4-Methyl-2-pentanone [108-10-1]^ 1.1 u ug/L 1 1.1 5.0 OH17031 EPA 8260D 08/17/20 23:42 REF Acetone [67-64-1]A 10 u ug/L 1 10 20 OH17031 EPA 8260D 08/17/20 23:42 REF Acrylonitrile [107-13-1]^ 3.5 u ug/L 1 3.5 10 OH17031 EPA 8260D 08/17/20 23:42 REF Benzene[71-43-2]A 0.15 u ug/L 1 0.15 1.0 OH17031 EPA 8260D 08/17/20 23:42 REF Bromochloromethane [74-97-5]A 0.48 u ug/L 1 0.48 1.0 OH17031 EPA 8260D 08/17/20 23:42 REF Bromodichloromethane [75-27-4]^ 0.17 u ug/L 1 0.17 1.0 OH17031 EPA 8260D 08/17/20 23:42 REF Bromoform [75-25-2]^ 0.22 u ug/L 1 0.22 1.0 OH17031 EPA 8260D 08/17/20 23:42 REF Bromomethane [74-83-9]A 0.14 u ug/L 1 0.14 1.0 OH17031 EPA 8260D 08/17/20 23:42 REF Carbon disulfide [75-15-O]A 1.5 u ug/L 1 1.5 5.0 OH17031 EPA 8260D 08/17/20 23:42 REF Carbon tetrachloride [56-23-5]A 0.17 u ug/L 1 0.17 1.0 OH17031 EPA 8260D 08/17/20 23:42 REF Chlorobenzene[108-90-7]A 0.17 u ug/L 1 0.17 1.0 OH17031 EPA 8260D 08/17/20 23:42 REF Chloroethane [75-00-3]A 0.23 u ug/L 1 0.23 1.0 OH17031 EPA 8260D 08/17/20 23:42 REF Chloroform [67-66-3]^ 0.18 u ug/L 1 0.18 1.0 OH17031 EPA 8260D 08/17/20 23:42 REF Chloromethane [74-87-3]A 0.13 u ug/L 1 0.13 1.0 OH17031 EPA 8260D 08/17/20 23:42 REF cis-1,2-Dichloroethene [156-59-2]^ 0.15 u ug/L 1 0.15 1.0 OH17031 EPA 8260D 08/17/20 23:42 REF cis-1,3-Dichloropropene [10061-01-5]A 0.20 u ug/L 1 0.20 1.0 OH17031 EPA 8260D 08/17/20 23:42 REF Dibromochloromethane [124-48-1]A 0.17 u ug/L 1 0.17 1.0 OH17031 EPA 8260D 08/17/20 23:42 REF Dibromomethane [74-95-3]A 0.27 u ug/L 1 0.27 1.0 OH17031 EPA 8260D 08/17/20 23:42 REF Ethylbenzene [100-41-4]A 0.13 u ug/L 1 0.13 1.0 OH17031 EPA 8260D 08/17/20 23:42 REF Iodomethane [74-88-4]^ 1.7 u ug/L 1 1.7 5.0 OH17031 EPA 8260D 08/17/20 23:42 REF Methylene chloride [75-09-2]A 0.23 u ug/L 1 0.23 1.0 OH17031 EPA 8260D 08/17/20 23:42 REF Styrene [100-42-5]A 0.11 u ug/L 1 0.11 1.0 OH17031 EPA 8260D 08/17/20 23:42 REF Tetrachloroethene [127-18-4]A 0.17 u ug/L 1 0.17 1.0 OH17031 EPA 8260D 08/17/20 23:42 REF Toluene [108-88-3]^ 0.14 u ug/L 1 0.14 1.0 OH17031 EPA 8260D 08/17/20 23:42 REF trans-1,2-Dichloroethene [156-60-5]^ 0.21 u ug/L 1 0.21 1.0 OH17031 EPA 8260D 08/17/20 23:42 REF trans-1,3-Dichloropropene [10061-02-6]^ 0.15 u ug/L 1 0.15 1.0 OH17031 EPA 8260D 08/17/20 23:42 REF trans-1,4-Dichloro-2-butene [110-57-6]A 0.70 u ug/L 1 0.70 1.0 OH17031 EPA 8260D 08/17/20 23:42 REF Trichloroethene [79-01-6]^ 0.15 u ug/L 1 0.15 1.0 OH17031 EPA 8260D 08/17/20 23:42 REF Trichlorofluoromethane [75-69-4]^ 0.24 u ug/L 1 0.24 1.0 OH17031 EPA 8260D 08/17/20 23:42 REF Vinyl acetate [108-05-4]A 0.95 u ug/L 1 0.95 5.0 OH17031 EPA 8260D 08/17/20 23:42 REF A-07 Vinyl chloride [75-01-4]^ 0.32 u ug/L 1 0.32 1.0 OH17031 EPA 8260D 08/17/20 23:42 REF Xylenes (Total) [1330-20-7]A 0.45 u ug/L 1 0.45 3.0 OH17031 EPA 8260D 08/17/20 23:42 REF FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 13 Of 68 (� �Eo www.encolabs.com ANALYTICAL RESULTS Description: 8003-MW9 Lab Sample ID:CD10012-03 Received: 08/13/20 13:12 Matrix: Ground Water Sampled:08/10/20 13:39 Work Order: CD10012 Project: Rowan County Active Landfills Sampled By:Travis Martinez/Nicolas Tej Volatile Organic Compounds by GCMS ^ - ENCO Cary certified analyte [NC 591] Surrogates Results DF Spike Lv/ % Rec % Rec Limits Batch Method Ana/vzed By Notes 4-Bromofluorobenzene 40 1 50.0 80 % 53-136 OH17031 EPA 6260D 08117120 23:42 REF Dibromofluoromethane 45 1 50.0 90 % 67-129 OH17031 EPA 6260D 08117120 23:42 REF Toluene-& 41 1 50.0 82 % 59-134 OH17031 EPA 6260D 08117120 23:42 REF Metals (total recoverable) by EPA 6000/7000 Series Methods ^ - ENCO Cary certified analyte [NC 591] Analyte rCAS Numberl Results Flag Units DF MDL PQL Batch Method Analyzed Ay Notes Antimony [7440-36-O]^ 0.740 U ug/L 2 0.740 2.00 OH14041 EPA 6020B 08/18/20 10:37 RLF Arsenic[7440-38-2]^ 7.60 U ug/L 1 7.60 10.0 OH14038 EPA 6010D 08/18/20 10:50 JDH Barium [7440-39-3]^ 67.6 ug/L 1 1.10 10.0 OH14038 EPA 6010D 08/18/20 10:50 JDH Beryllium [7440-41-7]^ 0.160 U ug/L 1 0.160 1.00 OH14038 EPA 6010D 08/18/20 10:50 JDH Cadmium [7440-43-9]^ 0.360 U ug/L 1 0.360 1.00 OH14038 EPA 6010D 08/18/20 10:50 JDH Chromium [7440-47-3]^ 3.98 J ug/L 1 1.40 10.0 OH14038 EPA 6010D 08/18/20 10:50 JDH Cobalt [7440-48-4]^ 1.40 U ug/L 1 1.40 10.0 OH14038 EPA 6010D 08/18/20 10:50 JDH Copper[7440-50-8]^ 2.12 J ug/L 1 1.60 10.0 OH14038 EPA 6010D 08/18/20 10:50 JDH Lead [7439-92-1]^ 3.10 U ug/L 1 3.10 10.0 OH14038 EPA 6010D 08/18/20 10:50 JDH Nickel[7440-02-O]^ 6.29 J ug/L 1 2.20 10.0 OH14038 EPA 6010D 08/18/20 10:50 JDH Selenium [7782-49-2]^ 6.20 U ug/L 1 6.20 10.0 OH14038 EPA 6010D 08/18/20 10:50 JDH Silver [7440-22-4]^ 1.90 U ug/L 1 1.90 10.0 OH14038 EPA 6010D 08/18/20 10:50 JDH Thallium [7440-28-O]^ 0.220 U ug/L 2 0.220 2.00 OH14041 EPA 6020B 08/18/20 10:37 RLF Vanadium [7440-62-2]^ 2.44 J ug/L 1 1.40 10.0 OH14038 EPA 6010D 08/18/20 10:50 JDH Zinc[7440-66-6]^ 4.40 U ug/L 1 4.40 10.0 OH14038 EPA 6010D 08/18/20 10:50 JDH FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 14 of 68 00� www.encolabs.com ANALYTICAL RESULTS Description: 8003-MWll Lab Sample ID:CD10012-04 Received: 08/13/20 13:12 Matrix: Ground Water Sampled:08/12/20 11:03 Work Order: CD10012 Project: Rowan County Active Landfills Sampled By:Travis Martinez/Nicolas Tej Volatile Organic Compounds by GCMS ^ - ENCO Cary certfied anaiyte [NC 591] Analyte ICAS Numberl Results Flaa Units DF MDL P L Batch Method Analyzed Notes 1,1,1,2-Tetrachloroethane [630-20-6]A 0.17 u ug/L 1 0.17 1.0 OH17032 EPA 8260D 08/18/20 12:35 REF 1,1,1-Trichloroethane [71-55-6]A 0.12 u ug/L 1 0.12 1.0 OH17032 EPA 8260D 08/18/20 12:35 REF 1,1,2,2-Tetrachloroethane [79-34-5]A 0.28 u ug/L 1 0.28 1.0 OH17032 EPA 8260D 08/18/20 12:35 REF 1,1,2-Trichloroethane [79-00-5]A 0.14 u ug/L 1 0.14 1.0 OH17032 EPA 8260D 08/18/20 12:35 REF 1,1-Dichloroethane [75-34-3]^ 0.13 u ug/L 1 0.13 1.0 OH17032 EPA 8260D 08/18/20 12:35 REF 1,1-Dichloroethene [75-35-4]^ 0.21 u ug/L 1 0.21 1.0 OH17032 EPA 8260D 08/18/20 12:35 REF 1,2,3-Trichloropropane [96-18-4]^ 0.23 u ug/L 1 0.23 1.0 OH17032 EPA 8260D 08/18/20 12:35 REF 1,2-Dibromo-3-chloropropane [96-12-8]^ 0.48 u ug/L 1 0.48 1.0 OH17032 EPA 8260D 08/18/20 12:35 REF 1,2-Dibromoethane [106-93-4]^ 0.66 u ug/L 1 0.66 1.0 OH17032 EPA 8260D 08/18/20 12:35 REF 1,2-Dichlorobenzene [95-50-1]^ 0.19 u ug/L 1 0.19 1.0 OH17032 EPA 8260D 08/18/20 12:35 REF 1,2-Dichloroethane [107-06-2]^ 0.21 u ug/L 1 0.21 1.0 OH17032 EPA 8260D 08/18/20 12:35 REF 1,2-Dichloropropane [78-87-5]^ 0.10 u ug/L 1 0.10 1.0 OH17032 EPA 8260D 08/18/20 12:35 REF 1,4-Dichlorobenzene [106-46-7]^ 0.19 u ug/L 1 0.19 1.0 OH17032 EPA 8260D 08/18/20 12:35 REF 2-Butanone [78-93-3]A 1.3 u ug/L 1 1.3 5.0 OH17032 EPA 8260D 08/18/20 12:35 REF 2-Hexanone [591-78-6]A 0.88 u ug/L 1 0.88 5.0 OH17032 EPA 8260D 08/18/20 12:35 REF 4-Methyl-2-pentanone [108-10-1]^ 1.1 u ug/L 1 1.1 5.0 OH17032 EPA 8260D 08/18/20 12:35 REF Acetone [67-64-1]A 10 u ug/L 1 10 20 OH17032 EPA 8260D 08/18/20 12:35 REF Acrylonitrile [107-13-1]^ 3.5 u ug/L 1 3.5 10 OH17032 EPA 8260D 08/18/20 12:35 REF Benzene [71-43-2]A 0.15 u ug/L 1 0.15 1.0 OH17032 EPA 8260D 08/18/20 12:35 REF Bromochloromethane [74-97-5]A 0.48 u ug/L 1 0.48 1.0 OH17032 EPA 8260D 08/18/20 12:35 REF Bromodichloromethane [75-27-4]^ 0.17 u ug/L 1 0.17 1.0 OH17032 EPA 8260D 08/18/20 12:35 REF Bromoform [75-25-2]^ 0.22 u ug/L 1 0.22 1.0 OH17032 EPA 8260D 08/18/20 12:35 REF Bromomethane [74-83-9]A 0.14 u ug/L 1 0.14 1.0 OH17032 EPA 8260D 08/18/20 12:35 REF Carbon disulfide [75-15-O]A 1.5 u ug/L 1 1.5 5.0 OH17032 EPA 8260D 08/18/20 12:35 REF Carbon tetrachloride [56-23-5]A 0.17 u ug/L 1 0.17 1.0 OH17032 EPA 8260D 08/18/20 12:35 REF Chlorobenzene [108-90-7]A 0.17 u ug/L 1 0.17 1.0 OH17032 EPA 8260D 08/18/20 12:35 REF Chloroethane [75-00-3]A 0.23 u ug/L 1 0.23 1.0 OH17032 EPA 8260D 08/18/20 12:35 REF Chloroform [67-66-3]^ 0.18 u ug/L 1 0.18 1.0 OH17032 EPA 8260D 08/18/20 12:35 REF Chloromethane [74-87-3]A 0.13 u ug/L 1 0.13 1.0 OH17032 EPA 8260D 08/18/20 12:35 REF cis-1,2-Dichloroethene [156-59-2]^ 0.15 u ug/L 1 0.15 1.0 OH17032 EPA 8260D 08/18/20 12:35 REF cis-1,3-Dichloropropene [10061-01-5]A 0.20 u ug/L 1 0.20 1.0 OH17032 EPA 8260D 08/18/20 12:35 REF Dibromochloromethane [124-48-1]A 0.17 u ug/L 1 0.17 1.0 OH17032 EPA 8260D 08/18/20 12:35 REF Dibromomethane [74-95-3]A 0.27 u ug/L 1 0.27 1.0 OH17032 EPA 8260D 08/18/20 12:35 REF Ethylbenzene [100-41-4]A 0.13 u ug/L 1 0.13 1.0 OH17032 EPA 8260D 08/18/20 12:35 REF Iodomethane [74-88-4]^ 1.7 u ug/L 1 1.7 5.0 OH17032 EPA 8260D 08/18/20 12:35 REF Methylene chloride [75-09-2]A 0.23 u ug/L 1 0.23 1.0 OH17032 EPA 8260D 08/18/20 12:35 REF Styrene [100-42-5]A 0.11 u ug/L 1 0.11 1.0 OH17032 EPA 8260D 08/18/20 12:35 REF Tetrachloroethene [127-18-4]A 0.17 u ug/L 1 0.17 1.0 OH17032 EPA 8260D 08/18/20 12:35 REF Toluene [108-88-3]^ 0.14 u ug/L 1 0.14 1.0 OH17032 EPA 8260D 08/18/20 12:35 REF trans-1,2-Dichloroethene [156-60-5]^ 0.21 u ug/L 1 0.21 1.0 OH17032 EPA 8260D 08/18/20 12:35 REF trans-1,3-Dichloropropene [10061-02-6]^ 0.15 u ug/L 1 0.15 1.0 OH17032 EPA 8260D 08/18/20 12:35 REF trans-1,4-Dichloro-2-butene [110-57-6]A 0.70 u ug/L 1 0.70 1.0 OH17032 EPA 8260D 08/18/20 12:35 REF Trichloroethene [79-01-6]^ 0.15 u ug/L 1 0.15 1.0 OH17032 EPA 8260D 08/18/20 12:35 REF Trichlorofluoromethane [75-69-4]^ 0.24 u ug/L 1 0.24 1.0 OH17032 EPA 8260D 08/18/20 12:35 REF Vinyl acetate [108-05-4]A 0.95 u ug/L 1 0.95 5.0 OH17032 EPA 8260D 08/18/20 12:35 REF A-07 Vinyl chloride [75-01-4]^ 0.32 u ug/L 1 0.32 1.0 OH17032 EPA 8260D 08/18/20 12:35 REF Xylenes (Total) [1330-20-7]A 0.45 u ug/L 1 0.45 3.0 OH17032 EPA 8260D 08/18/20 12:35 REF FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 15 Of 68 (� �Eo www.encolabs.com ANALYTICAL RESULTS Description: 8003-MWll Lab Sample ID:CD10012-04 Received: 08/13/20 13:12 Matrix: Ground Water Sampled:08/12/20 11:03 Work Order: CD10012 Project: Rowan County Active Landfills Sampled By:Travis Martinez/Nicolas Tej Volatile Organic Compounds by GCMS ^ - ENCO Cary certified analyte [NC 591] Surrogates Results DF Spike Lv/ % Rec % Rec Limits Batch Method Ana/vzed By Notes 4-Bromofluorobenzene 40 1 50.0 81 % 53-136 OH17032 EPA 6260D 08118120 12:35 REF Dibromofluoromethane 46 1 50.0 91 % 67-129 OH17032 EPA 6260D 0811812012:35 REF Toluene-& 41 1 50.0 82 % 59-134 OH17032 EPA 6260D 0811812012:35 REF Metals (total recoverable) by EPA 6000/7000 Series Methods ^ - ENCO Cary certified analyte [NC 591] Analyte rCAS Numberl Results Flag Units DF MDL PQL Batch Method Analyzed Ay Notes Antimony [7440-36-O]^ 0.740 U ug/L 2 0.740 2.00 OH14041 EPA 6020B 08/18/20 10:41 RLF Arsenic[7440-38-2]^ 7.60 U ug/L 1 7.60 10.0 OH14038 EPA 6010D 08/18/20 10:53 JDH Barium [7440-39-3]^ 52.5 ug/L 1 1.10 10.0 OH14038 EPA 6010D 08/18/20 10:53 JDH Beryllium [7440-41-7]^ 0.160 U ug/L 1 0.160 1.00 OH14038 EPA 6010D 08/18/20 10:53 JDH Cadmium [7440-43-9]^ 0.360 U ug/L 1 0.360 1.00 OH14038 EPA 6010D 08/18/20 10:53 JDH Chromium [7440-47-3]^ 3.00 J ug/L 1 1.40 10.0 OH14038 EPA 6010D 08/18/20 10:53 JDH Cobalt [7440-48-4]^ 1.40 U ug/L 1 1.40 10.0 OH14038 EPA 6010D 08/18/20 10:53 JDH Copper[7440-50-8]^ 2.25 J ug/L 1 1.60 10.0 OH14038 EPA 6010D 08/18/20 10:53 JDH Lead [7439-92-1]^ 3.10 U ug/L 1 3.10 10.0 OH14038 EPA 6010D 08/18/20 10:53 JDH Nickel[7440-02-O]^ 2.20 U ug/L 1 2.20 10.0 OH14038 EPA 6010D 08/18/20 10:53 JDH Selenium [7782-49-2]^ 6.20 U ug/L 1 6.20 10.0 OH14038 EPA 6010D 08/18/20 10:53 JDH Silver [7440-22-4]^ 1.90 U ug/L 1 1.90 10.0 OH14038 EPA 6010D 08/18/20 10:53 JDH Thallium [7440-28-O]^ 0.220 U ug/L 2 0.220 2.00 OH14041 EPA 6020B 08/18/20 10:41 RLF Vanadium [7440-62-2]^ 3.62 J ug/L 1 1.40 10.0 OH14038 EPA 6010D 08/18/20 10:53 JDH Zinc[7440-66-6]^ 5.13 J ug/L 1 4.40 10.0 OH14038 EPA 6010D 08/18/20 10:53 JDH FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 16 of 68 00� www.encolabs.com ANALYTICAL RESULTS Description: 8003-MW12 (MS/MSD) Lab Sample ID:CD10012-05 Received: 08/13/20 13:12 Matrix: Ground Water Sampled:08/11/20 14:15 Work Order: CD10012 Project: Rowan County Active Landfills Sampled By:Travis Martinez/Nicolas Tej Volatile Organic Compounds by GCMS ^ - ENCO Cary rertified analyte [NC 591] Analyte ICAS Numberl Results Flaa Units DF MDL P L Batch Method Analyzed Notes 1,1,1,2-Tetrachloroethane [630-20-6]A 0.17 u ug/L 1 0.17 1.0 OH17031 EPA 8260D 08/17/20 20:13 REF 1,1,1-Trichloroethane [71-55-6]A 0.12 u ug/L 1 0.12 1.0 OH17031 EPA 8260D 08/17/20 20:13 REF 1,1,2,2-Tetrachloroethane [79-34-5]A 0.28 u ug/L 1 0.28 1.0 OH17031 EPA 8260D 08/17/20 20:13 REF 1,1,2-Trichloroethane [79-00-5]A 0.14 u ug/L 1 0.14 1.0 OH17031 EPA 8260D 08/17/20 20:13 REF 1,1-Dichloroethane [75-34-3]^ 0.13 u ug/L 1 0.13 1.0 OH17031 EPA 8260D 08/17/20 20:13 REF 1,1-Dichloroethene [75-35-4]^ 0.21 u ug/L 1 0.21 1.0 OH17031 EPA 8260D 08/17/20 20:13 REF 1,2,3-Trichloropropane [96-18-4]^ 0.23 u ug/L 1 0.23 1.0 OH17031 EPA 8260D 08/17/20 20:13 REF 1,2-Dibromo-3-chloropropane [96-12-8]^ 0.48 u ug/L 1 0.48 1.0 OH17031 EPA 8260D 08/17/20 20:13 REF 1,2-Dibromoethane [106-93-4]^ 0.66 u ug/L 1 0.66 1.0 OH17031 EPA 8260D 08/17/20 20:13 REF 1,2-Dichlorobenzene [95-50-1]^ 0.19 u ug/L 1 0.19 1.0 OH17031 EPA 8260D 08/17/20 20:13 REF 1,2-Dichloroethane [107-06-2]^ 0.21 u ug/L 1 0.21 1.0 OH17031 EPA 8260D 08/17/20 20:13 REF 1,2-Dichloropropane [78-87-5]^ 0.10 u ug/L 1 0.10 1.0 OH17031 EPA 8260D 08/17/20 20:13 REF 1,4-Dichlorobenzene [106-46-7]^ 0.19 u ug/L 1 0.19 1.0 OH17031 EPA 8260D 08/17/20 20:13 REF 2-Butanone [78-93-3]A 1.3 u ug/L 1 1.3 5.0 OH17031 EPA 8260D 08/17/20 20:13 REF 2-Hexanone [591-78-6]A 0.88 u ug/L 1 0.88 5.0 OH17031 EPA 8260D 08/17/20 20:13 REF 4-Methyl-2-pentanone [108-10-1]^ 1.1 u ug/L 1 1.1 5.0 OH17031 EPA 8260D 08/17/20 20:13 REF Acetone [67-64-1]A 10 u ug/L 1 10 20 OH17031 EPA 8260D 08/17/20 20:13 REF Acrylonitrile [107-13-1]^ 3.5 u ug/L 1 3.5 10 OH17031 EPA 8260D 08/17/20 20:13 REF Benzene [71-43-2]A 0.15 u ug/L 1 0.15 1.0 OH17031 EPA 8260D 08/17/20 20:13 REF Bromochloromethane [74-97-5]A 0.48 u ug/L 1 0.48 1.0 OH17031 EPA 8260D 08/17/20 20:13 REF Bromodichloromethane [75-27-4]^ 0.17 u ug/L 1 0.17 1.0 OH17031 EPA 8260D 08/17/20 20:13 REF Bromoform [75-25-2]^ 0.22 u ug/L 1 0.22 1.0 OH17031 EPA 8260D 08/17/20 20:13 REF Bromomethane [74-83-9]A 0.14 u ug/L 1 0.14 1.0 OH17031 EPA 8260D 08/17/20 20:13 REF Carbon disulfide [75-15-0]A 1.5 u ug/L 1 1.5 5.0 OH17031 EPA 8260D 08/17/20 20:13 REF Carbon tetrachloride [56-23-5]A 0.17 u ug/L 1 0.17 1.0 OH17031 EPA 8260D 08/17/20 20:13 REF Chlorobenzene [108-90-7]A 0.17 u ug/L 1 0.17 1.0 OH17031 EPA 8260D 08/17/20 20:13 REF Chloroethane [75-00-3]A 0.23 u ug/L 1 0.23 1.0 OH17031 EPA 8260D 08/17/20 20:13 REF Chloroform [67-66-3]^ 0.18 u ug/L 1 0.18 1.0 OH17031 EPA 8260D 08/17/20 20:13 REF Chloromethane [74-87-3]A 0.13 u ug/L 1 0.13 1.0 OH17031 EPA 8260D 08/17/20 20:13 REF cis-1,2-Dichloroethene [156-59-2]^ 0.15 u ug/L 1 0.15 1.0 OH17031 EPA 8260D 08/17/20 20:13 REF cis-1,3-Dichloropropene [10061-01-5]A 0.20 u ug/L 1 0.20 1.0 OH17031 EPA 8260D 08/17/20 20:13 REF Dibromochloromethane [124-48-1]A 0.17 u ug/L 1 0.17 1.0 OH17031 EPA 8260D 08/17/20 20:13 REF Dibromomethane [74-95-3]A 0.27 u ug/L 1 0.27 1.0 OH17031 EPA 8260D 08/17/20 20:13 REF Ethylbenzene [100-41-4]A 0.13 u ug/L 1 0.13 1.0 OH17031 EPA 8260D 08/17/20 20:13 REF Iodomethane [74-88-4]^ 1.7 u ug/L 1 1.7 5.0 OH17031 EPA 8260D 08/17/20 20:13 REF Methylene chloride [75-09-2]A 0.23 u ug/L 1 0.23 1.0 OH17031 EPA 8260D 08/17/20 20:13 REF Styrene [100-42-5]A 0.11 u ug/L 1 0.11 1.0 OH17031 EPA 8260D 08/17/20 20:13 REF Tetrachloroethene [127-18-4]A 0.17 u ug/L 1 0.17 1.0 OH17031 EPA 8260D 08/17/20 20:13 REF Toluene [108-88-3]^ 0.14 u ug/L 1 0.14 1.0 OH17031 EPA 8260D 08/17/20 20:13 REF trans-1,2-Dichloroethene [156-60-5]^ 0.21 u ug/L 1 0.21 1.0 OH17031 EPA 8260D 08/17/20 20:13 REF trans-1,3-Dichloropropene [10061-02-6]^ 0.15 u ug/L 1 0.15 1.0 OH17031 EPA 8260D 08/17/20 20:13 REF trans-1,4-Dichloro-2-butene [110-57-6]A 0.70 u ug/L 1 0.70 1.0 OH17031 EPA 8260D 08/17/20 20:13 REF Trichloroethene [79-01-6]^ 0.15 u ug/L 1 0.15 1.0 OH17031 EPA 8260D 08/17/20 20:13 REF Trichlorofluoromethane [75-69-4]^ 0.24 u ug/L 1 0.24 1.0 OH17031 EPA 8260D 08/17/20 20:13 REF Vinyl acetate [108-05-4]^ 0.95 u ug/L 1 0.95 5.0 OH17031 EPA 8260D 08/17/20 20:13 REF A-07, QM-07 Vinyl chloride [75-01-4]^ 0.32 u ug/L 1 0.32 1.0 OH17031 EPA 8260D 08/17/20 20:13 REF FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 17 Of 68 (� �Eo www.encolabs.com ANALYTICAL RESULTS Description: 8003-MW12 (MS/MSD) Lab Sample ID:CD10012-05 Received: 08/13/20 13:12 Matrix: Ground Water Sampled:08/11/20 14:15 Work Order: CD10012 Project: Rowan County Active Landfills Sampled By:Travis Martinez/Nicolas Tej Volatile Organic Compounds by GCMS ^ - ENCO Cary certified analyte [NC 591] Analyte rCAS Numberl Results Flaa Units DF MDL POLL Batch Method Analyzed Ay Notes Xylenes (Total) [1330-20-7]^ 0.45 U ug/L 1 0.45 3.0 OH17031 EPA 8260D 08/17/20 20:13 REF Surrogates Results DF Spike Lv/ % Rec % Rec Limits Batch Method Ana/vzed By Notes 4-Bromofluorobenzene 41 1 50.0 82 % 53-136 OH17031 EPA 6260D 08117120 20:13 REF Dlbromofluoromethane 43 1 50.0 85 % 67-129 OH17031 EPA 6260D 08117120 20:13 REF Toluene-& 41 1 50.0 82 % 59-134 OH17031 EPA 6260D 08117120 20:13 REF Metals (total recoverable) by EPA 6000/7000 Series Methods ^ - ENCO Cary certified analyte [NC 591] Analyte rCAS Numberl Results Flag Units DF MDL P L Batch Method Analyzed Ay Notes Antimony [7440-36-0]^ 0.740 U ug/L 2 0.740 2.00 OH14041 EPA 6020B 08/18/20 10:54 RLF Arsenic[7440-38-2]^ 7.60 U ug/L 1 7.60 10.0 OH14038 EPA 6010D 08/18/20 10:20 JDH Barium [7440-39-3]^ 53.3 ug/L 1 1.10 10.0 OH14038 EPA 6010D 08/18/20 10:20 JDH Beryllium [7440-41-7]^ 0.172 J ug/L 1 0.160 1.00 OH14038 EPA 6010D 08/18/20 10:20 JDH Cadmium [7440-43-9]^ 0.360 U ug/L 1 0.360 1.00 OH14038 EPA 6010D 08/18/20 10:20 JDH Chromium [7440-47-3]^ 1.72 J ug/L 1 1.40 10.0 OH14038 EPA 6010D 08/18/20 10:20 JDH Cobalt [7440-48-4]^ 1.40 U ug/L 1 1.40 10.0 OH14038 EPA 6010D 08/18/20 10:20 JDH Copper[7440-50-8]^ 1.93 J ug/L 1 1.60 10.0 OH14038 EPA 6010D 08/18/20 10:20 JDH Lead [7439-92-1]^ 3.10 U ug/L 1 3.10 10.0 OH14038 EPA 6010D 08/18/20 10:20 JDH Nickel[7440-02-O]^ 2.20 U ug/L 1 2.20 10.0 OH14038 EPA 6010D 08/18/20 10:20 JDH Selenium [7782-49-2]^ 6.20 U ug/L 1 6.20 10.0 OH14038 EPA 6010D 08/18/20 10:20 JDH Silver [7440-22-4]^ 1.90 U ug/L 1 1.90 10.0 OH14038 EPA 6010D 08/18/20 10:20 JDH Thallium [7440-28-O]^ 0.220 U ug/L 2 0.220 2.00 OH14041 EPA 6020B 08/18/20 10:54 RLF Vanadium [7440-62-2]^ 1.40 U ug/L 1 1.40 10.0 OH14038 EPA 6010D 08/18/20 10:20 JDH Zinc[7440-66-6]^ 4.40 U ug/L 1 4.40 10.0 OH14038 EPA 6010D 08/18/20 10:20 JDH FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 18 of 68 00� www.encolabs.com ANALYTICAL RESULTS Description: 8003-MW13 Lab Sample ID:CD10012-06 Received: 08/13/20 13:12 Matrix: Ground Water Sampled:08/11/20 16:36 Work Order: CD10012 Project: Rowan County Active Landfills Sampled By:Travis Martinez/Nicolas Tej Volatile Organic Compounds by GCMS ^ - ENCO Cary certfied anaiyte [NC 591] Analyte ICAS Numberl Results Flaa Units DF MDL P L Batch Method Analyzed Notes 1,1,1,2-Tetrachloroethane [630-20-6]A 0.17 u ug/L 1 0.17 1.0 OH17031 EPA 8260D 08/18/20 00:11 REF 1,1,1-Trichloroethane [71-55-6]A 0.12 u ug/L 1 0.12 1.0 OH17031 EPA 8260D 08/18/20 00:11 REF 1,1,2,2-Tetrachloroethane [79-34-5]A 0.28 u ug/L 1 0.28 1.0 OH17031 EPA 8260D 08/18/20 00:11 REF 1,1,2-Trichloroethane [79-00-5]A 0.14 u ug/L 1 0.14 1.0 OH17031 EPA 8260D 08/18/20 00:11 REF 1,1-Dichloroethane [75-34-3]^ 0.13 u ug/L 1 0.13 1.0 OH17031 EPA 8260D 08/18/20 00:11 REF 1,1-Dichloroethene [75-35-4]^ 0.21 u ug/L 1 0.21 1.0 OH17031 EPA 8260D 08/18/20 00:11 REF 1,2,3-Trichloropropane [96-18-4]^ 0.23 u ug/L 1 0.23 1.0 OH17031 EPA 8260D 08/18/20 00:11 REF 1,2-Dibromo-3-chloropropane [96-12-8]^ 0.48 u ug/L 1 0.48 1.0 OH17031 EPA 8260D 08/18/20 00:11 REF 1,2-Dibromoethane [106-93-4]^ 0.66 u ug/L 1 0.66 1.0 OH17031 EPA 8260D 08/18/20 00:11 REF 1,2-Dichlorobenzene [95-50-1]^ 0.19 u ug/L 1 0.19 1.0 OH17031 EPA 8260D 08/18/20 00:11 REF 1,2-Dichloroethane [107-06-2]^ 0.21 u ug/L 1 0.21 1.0 OH17031 EPA 8260D 08/18/20 00:11 REF 1,2-Dichloropropane [78-87-5]^ 0.10 u ug/L 1 0.10 1.0 OH17031 EPA 8260D 08/18/20 00:11 REF 1,4-Dichlorobenzene [106-46-7]^ 0.19 u ug/L 1 0.19 1.0 OH17031 EPA 8260D 08/18/20 00:11 REF 2-Butanone [78-93-3]A 1.3 u ug/L 1 1.3 5.0 OH17031 EPA 8260D 08/18/20 00:11 REF 2-Hexanone [591-78-6]A 0.88 u ug/L 1 0.88 5.0 OH17031 EPA 8260D 08/18/20 00:11 REF 4-Methyl-2-pentanone [108-10-1]^ 1.1 u ug/L 1 1.1 5.0 OH17031 EPA 8260D 08/18/20 00:11 REF Acetone [67-64-1]A 10 u ug/L 1 10 20 OH17031 EPA 8260D 08/18/20 00:11 REF Acrylonitrile [107-13-1]^ 3.5 u ug/L 1 3.5 10 OH17031 EPA 8260D 08/18/20 00:11 REF Benzene[71-43-2]A 0.15 u ug/L 1 0.15 1.0 OH17031 EPA 8260D 08/18/20 00:11 REF Bromochloromethane [74-97-5]A 0.48 u ug/L 1 0.48 1.0 OH17031 EPA 8260D 08/18/20 00:11 REF Bromodichloromethane [75-27-4]^ 0.17 u ug/L 1 0.17 1.0 OH17031 EPA 8260D 08/18/20 00:11 REF Bromoform [75-25-2]^ 0.22 u ug/L 1 0.22 1.0 OH17031 EPA 8260D 08/18/20 00:11 REF Bromomethane [74-83-9]A 0.14 u ug/L 1 0.14 1.0 OH17031 EPA 8260D 08/18/20 00:11 REF Carbon disulfide [75-15-O]A 1.5 u ug/L 1 1.5 5.0 OH17031 EPA 8260D 08/18/20 00:11 REF Carbon tetrachloride [56-23-5]A 0.17 u ug/L 1 0.17 1.0 OH17031 EPA 8260D 08/18/20 00:11 REF Chlorobenzene[108-90-7]A 0.17 u ug/L 1 0.17 1.0 OH17031 EPA 8260D 08/18/20 00:11 REF Chloroethane [75-00-3]A 0.23 u ug/L 1 0.23 1.0 OH17031 EPA 8260D 08/18/20 00:11 REF Chloroform [67-66-3]^ 0.18 u ug/L 1 0.18 1.0 OH17031 EPA 8260D 08/18/20 00:11 REF Chloromethane [74-87-3]A 0.13 u ug/L 1 0.13 1.0 OH17031 EPA 8260D 08/18/20 00:11 REF cis-1,2-Dichloroethene [156-59-2]^ 0.15 u ug/L 1 0.15 1.0 OH17031 EPA 8260D 08/18/20 00:11 REF cis-1,3-Dichloropropene [10061-01-5]A 0.20 u ug/L 1 0.20 1.0 OH17031 EPA 8260D 08/18/20 00:11 REF Dibromochloromethane [124-48-1]A 0.17 u ug/L 1 0.17 1.0 OH17031 EPA 8260D 08/18/20 00:11 REF Dibromomethane [74-95-3]A 0.27 u ug/L 1 0.27 1.0 OH17031 EPA 8260D 08/18/20 00:11 REF Ethylbenzene [100-41-4]A 0.13 u ug/L 1 0.13 1.0 OH17031 EPA 8260D 08/18/20 00:11 REF Iodomethane [74-88-4]^ 1.7 u ug/L 1 1.7 5.0 OH17031 EPA 8260D 08/18/20 00:11 REF Methylene chloride [75-09-2]A 0.23 u ug/L 1 0.23 1.0 OH17031 EPA 8260D 08/18/20 00:11 REF Styrene [100-42-5]A 0.11 u ug/L 1 0.11 1.0 OH17031 EPA 8260D 08/18/20 00:11 REF Tetrachloroethene [127-18-4]A 0.17 u ug/L 1 0.17 1.0 OH17031 EPA 8260D 08/18/20 00:11 REF Toluene [108-88-3]^ 0.14 u ug/L 1 0.14 1.0 OH17031 EPA 8260D 08/18/20 00:11 REF trans-1,2-Dichloroethene [156-60-5]^ 0.21 u ug/L 1 0.21 1.0 OH17031 EPA 8260D 08/18/20 00:11 REF trans-1,3-Dichloropropene [10061-02-6]^ 0.15 u ug/L 1 0.15 1.0 OH17031 EPA 8260D 08/18/20 00:11 REF trans-1,4-Dichloro-2-butene [110-57-6]A 0.70 u ug/L 1 0.70 1.0 OH17031 EPA 8260D 08/18/20 00:11 REF Trichloroethene [79-01-6]^ 0.15 u ug/L 1 0.15 1.0 OH17031 EPA 8260D 08/18/20 00:11 REF Trichlorofluoromethane [75-69-4]^ 0.24 u ug/L 1 0.24 1.0 OH17031 EPA 8260D 08/18/20 00:11 REF Vinyl acetate [108-05-4]A 0.95 u ug/L 1 0.95 5.0 OH17031 EPA 8260D 08/18/20 00:11 REF A-07 Vinyl chloride [75-01-4]^ 0.32 u ug/L 1 0.32 1.0 OH17031 EPA 8260D 08/18/20 00:11 REF Xylenes (Total) [1330-20-7]A 0.45 u ug/L 1 0.45 3.0 OH17031 EPA 8260D 08/18/20 00:11 REF FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 19 Of 68 (� �Eo www.encolabs.com ANALYTICAL RESULTS Description: 8003-MW13 Lab Sample ID:CD10012-06 Received: 08/13/20 13:12 Matrix: Ground Water Sampled:08/11/20 16:36 Work Order: CD10012 Project: Rowan County Active Landfills Sampled By:Travis Martinez/Nicolas Tej Volatile Organic Compounds by GCMS ^ - ENCO Cary certified analyte [NC 591] Surrogates Results DF Spike Lv/ % Rec % Rec Limits Batch Method Ana/vzed By Notes 4-Bromofluorobenzene 41 1 50.0 82 % 53-136 OH17031 EPA 6260D 08118120 00:11 REF Dibromofluoromethane 45 1 50.0 90 % 67-129 OH17031 EPA 6260D 08118120 00:11 REF Toluene-& 42 1 50.0 83 % 59-134 OH17031 EPA 6260D 08118120 00:11 REF Metals (total recoverable) by EPA 6000/7000 Series Methods ^ - ENCO Cary certified analyte [NC 591] Analyte rCAS Numberl Results Flag Units DF MDL PQL Batch Method Analyzed Ay Notes Antimony [7440-36-O]^ 0.740 U ug/L 2 0.740 2.00 OH14041 EPA 6020B 08/18/20 10:59 RLF Arsenic[7440-38-2]^ 7.60 U ug/L 1 7.60 10.0 OH14038 EPA 6010D 08/18/20 10:55 JDH Barium [7440-39-3]^ 102 ug/L 1 1.10 10.0 OH14038 EPA 6010D 08/18/20 10:55 JDH Beryllium [7440-41-7]^ 0.160 U ug/L 1 0.160 1.00 OH14038 EPA 6010D 08/18/20 10:55 JDH Cadmium [7440-43-9]^ 0.360 U ug/L 1 0.360 1.00 OH14038 EPA 6010D 08/18/20 10:55 JDH Chromium [7440-47-3]^ 4.42 J ug/L 1 1.40 10.0 OH14038 EPA 6010D 08/18/20 10:55 JDH Cobalt [7440-48-4]^ 1.40 U ug/L 1 1.40 10.0 OH14038 EPA 6010D 08/18/20 10:55 JDH Copper[7440-50-8]^ 2.30 J ug/L 1 1.60 10.0 OH14038 EPA 6010D 08/18/20 10:55 JDH Lead [7439-92-1]^ 3.10 U ug/L 1 3.10 10.0 OH14038 EPA 6010D 08/18/20 10:55 JDH Nickel[7440-02-O]^ 2.20 U ug/L 1 2.20 10.0 OH14038 EPA 6010D 08/18/20 10:55 JDH Selenium [7782-49-2]^ 6.20 U ug/L 1 6.20 10.0 OH14038 EPA 6010D 08/18/20 10:55 JDH Silver [7440-22-4]^ 1.90 U ug/L 1 1.90 10.0 OH14038 EPA 6010D 08/18/20 10:55 JDH Thallium [7440-28-O]^ 0.220 U ug/L 2 0.220 2.00 OH14041 EPA 6020B 08/18/20 10:59 RLF Vanadium [7440-62-2]^ 2.39 J ug/L 1 1.40 10.0 OH14038 EPA 6010D 08/18/20 10:55 JDH Zinc[7440-66-6]^ 4.40 U ug/L 1 4.40 10.0 OH14038 EPA 6010D 08/18/20 10:55 JDH FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 20 of 68 00� www.encolabs.com ANALYTICAL RESULTS Description: 8003-MW16 Lab Sample ID:CD10012-07 Received: 08/13/20 13:12 Matrix: Ground Water Sampled:08/10/20 12:34 Work Order: CD10012 Project: Rowan County Active Landfills Sampled By:Travis Martinez/Nicolas Tej Volatile Organic Compounds by GCMS ^ - ENCO Cary certfied anaiyte [NC 591] Analyte ICAS Numberl Results Flaa Units DF MDL P L Batch Method Analyzed Notes 1,1,1,2-Tetrachloroethane [630-20-6]A 0.17 u ug/L 1 0.17 1.0 OH17031 EPA 8260D 08/18/20 00:41 REF 1,1,1-Trichloroethane [71-55-6]A 0.12 u ug/L 1 0.12 1.0 OH17031 EPA 8260D 08/18/20 00:41 REF 1,1,2,2-Tetrachloroethane [79-34-5]A 0.28 u ug/L 1 0.28 1.0 OH17031 EPA 8260D 08/18/20 00:41 REF 1,1,2-Trichloroethane [79-00-5]A 0.14 u ug/L 1 0.14 1.0 OH17031 EPA 8260D 08/18/20 00:41 REF 1,1-Dichloroethane [75-34-3]^ 0.13 u ug/L 1 0.13 1.0 OH17031 EPA 8260D 08/18/20 00:41 REF 1,1-Dichloroethene [75-35-4]^ 0.21 u ug/L 1 0.21 1.0 OH17031 EPA 8260D 08/18/20 00:41 REF 1,2,3-Trichloropropane [96-18-4]^ 0.23 u ug/L 1 0.23 1.0 OH17031 EPA 8260D 08/18/20 00:41 REF 1,2-Dibromo-3-chloropropane [96-12-8]^ 0.48 u ug/L 1 0.48 1.0 OH17031 EPA 8260D 08/18/20 00:41 REF 1,2-Dibromoethane [106-93-4]^ 0.66 u ug/L 1 0.66 1.0 OH17031 EPA 8260D 08/18/20 00:41 REF 1,2-Dichlorobenzene [95-50-1]^ 0.19 u ug/L 1 0.19 1.0 OH17031 EPA 8260D 08/18/20 00:41 REF 1,2-Dichloroethane [107-06-2]^ 0.21 u ug/L 1 0.21 1.0 OH17031 EPA 8260D 08/18/20 00:41 REF 1,2-Dichloropropane [78-87-5]^ 0.10 u ug/L 1 0.10 1.0 OH17031 EPA 8260D 08/18/20 00:41 REF 1,4-Dichlorobenzene [106-46-7]^ 0.19 u ug/L 1 0.19 1.0 OH17031 EPA 8260D 08/18/20 00:41 REF 2-Butanone [78-93-3]A 1.3 u ug/L 1 1.3 5.0 OH17031 EPA 8260D 08/18/20 00:41 REF 2-Hexanone [591-78-6]A 0.88 u ug/L 1 0.88 5.0 OH17031 EPA 8260D 08/18/20 00:41 REF 4-Methyl-2-pentanone [108-10-1]^ 1.1 u ug/L 1 1.1 5.0 OH17031 EPA 8260D 08/18/20 00:41 REF Acetone [67-64-1]A 10 u ug/L 1 10 20 OH17031 EPA 8260D 08/18/20 00:41 REF Acrylonitrile [107-13-1]^ 3.5 u ug/L 1 3.5 10 OH17031 EPA 8260D 08/18/20 00:41 REF Benzene[71-43-2]A 0.15 u ug/L 1 0.15 1.0 OH17031 EPA 8260D 08/18/20 00:41 REF Bromochloromethane [74-97-5]A 0.48 u ug/L 1 0.48 1.0 OH17031 EPA 8260D 08/18/20 00:41 REF Bromodichloromethane [75-27-4]^ 0.17 u ug/L 1 0.17 1.0 OH17031 EPA 8260D 08/18/20 00:41 REF Bromoform [75-25-2]^ 0.22 u ug/L 1 0.22 1.0 OH17031 EPA 8260D 08/18/20 00:41 REF Bromomethane [74-83-9]A 0.14 u ug/L 1 0.14 1.0 OH17031 EPA 8260D 08/18/20 00:41 REF Carbon disulfide [75-15-O]A 1.5 u ug/L 1 1.5 5.0 OH17031 EPA 8260D 08/18/20 00:41 REF Carbon tetrachloride [56-23-5]A 0.17 u ug/L 1 0.17 1.0 OH17031 EPA 8260D 08/18/20 00:41 REF Chlorobenzene[108-90-7]A 0.17 u ug/L 1 0.17 1.0 OH17031 EPA 8260D 08/18/20 00:41 REF Chloroethane [75-00-3]A 0.23 u ug/L 1 0.23 1.0 OH17031 EPA 8260D 08/18/20 00:41 REF Chloroform [67-66-3]^ 0.18 u ug/L 1 0.18 1.0 OH17031 EPA 8260D 08/18/20 00:41 REF Chloromethane [74-87-3]A 0.13 u ug/L 1 0.13 1.0 OH17031 EPA 8260D 08/18/20 00:41 REF cis-1,2-Dichloroethene [156-59-2]^ 0.15 u ug/L 1 0.15 1.0 OH17031 EPA 8260D 08/18/20 00:41 REF cis-1,3-Dichloropropene [10061-01-5]A 0.20 u ug/L 1 0.20 1.0 OH17031 EPA 8260D 08/18/20 00:41 REF Dibromochloromethane [124-48-1]A 0.17 u ug/L 1 0.17 1.0 OH17031 EPA 8260D 08/18/20 00:41 REF Dibromomethane [74-95-3]A 0.27 u ug/L 1 0.27 1.0 OH17031 EPA 8260D 08/18/20 00:41 REF Ethylbenzene [100-41-4]A 0.13 u ug/L 1 0.13 1.0 OH17031 EPA 8260D 08/18/20 00:41 REF Iodomethane [74-88-4]^ 1.7 u ug/L 1 1.7 5.0 OH17031 EPA 8260D 08/18/20 00:41 REF Methylene chloride [75-09-2]A 0.23 u ug/L 1 0.23 1.0 OH17031 EPA 8260D 08/18/20 00:41 REF Styrene [100-42-5]A 0.11 u ug/L 1 0.11 1.0 OH17031 EPA 8260D 08/18/20 00:41 REF Tetrachloroethene [127-18-4]A 0.17 u ug/L 1 0.17 1.0 OH17031 EPA 8260D 08/18/20 00:41 REF Toluene [108-88-3]^ 0.14 u ug/L 1 0.14 1.0 OH17031 EPA 8260D 08/18/20 00:41 REF trans-1,2-Dichloroethene [156-60-5]^ 0.21 u ug/L 1 0.21 1.0 OH17031 EPA 8260D 08/18/20 00:41 REF trans-1,3-Dichloropropene [10061-02-6]^ 0.15 u ug/L 1 0.15 1.0 OH17031 EPA 8260D 08/18/20 00:41 REF trans-1,4-Dichloro-2-butene [110-57-6]A 0.70 u ug/L 1 0.70 1.0 OH17031 EPA 8260D 08/18/20 00:41 REF Trichloroethene [79-01-6]^ 0.15 u ug/L 1 0.15 1.0 OH17031 EPA 8260D 08/18/20 00:41 REF Trichlorofluoromethane [75-69-4]^ 0.24 u ug/L 1 0.24 1.0 OH17031 EPA 8260D 08/18/20 00:41 REF Vinyl acetate [108-05-4]A 0.95 u ug/L 1 0.95 5.0 OH17031 EPA 8260D 08/18/20 00:41 REF A-07 Vinyl chloride [75-01-4]^ 0.32 u ug/L 1 0.32 1.0 OH17031 EPA 8260D 08/18/20 00:41 REF Xylenes (Total) [1330-20-7]A 0.45 u ug/L 1 0.45 3.0 OH17031 EPA 8260D 08/18/20 00:41 REF FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 21 Of 68 (� �Eo www.encolabs.com ANALYTICAL RESULTS Description: 8003-MW16 Lab Sample ID:CD10012-07 Received: 08/13/20 13:12 Matrix: Ground Water Sampled:08/10/20 12:34 Work Order: CD10012 Project: Rowan County Active Landfills Sampled By:Travis Martinez/Nicolas Tej Volatile Organic Compounds by GCMS ^ - ENCO Cary certified analyte [NC 591] Surrogates Results DF Spike Lv/ % Rec % Rec Limits Batch Method Ana/vzed By Notes 4-Bromofluorobenzene 41 1 50.0 81 % 53-136 OH17031 EPA 6260D 08118120 00:41 REF Dibromofluoromethane 44 1 50.0 89 % 67-129 OH17031 EPA 6260D 08118120 00:41 REF Toluene-& 41 1 50.0 83 % 59-134 OH17031 EPA 6260D 08118120 00:41 REF Metals (total recoverable) by EPA 6000/7000 Series Methods ^ - ENCO Cary certified analyte [NC 591] Analyte rCAS Numberl Results Flag Units DF MDL PQL Batch Method Analyzed Ay Notes Antimony [7440-36-O]^ 0.740 U ug/L 2 0.740 2.00 OH14041 EPA 6020B 08/18/20 11:03 RLF Arsenic[7440-38-2]^ 7.60 U ug/L 1 7.60 10.0 OH14038 EPA 6010D 08/18/20 10:58 JDH Barium [7440-39-3]^ 16.6 ug/L 1 1.10 10.0 OH14038 EPA 6010D 08/18/20 10:58 JDH Beryllium [7440-41-7]^ 0.160 U ug/L 1 0.160 1.00 OH14038 EPA 6010D 08/18/20 10:58 JDH Cadmium [7440-43-9]^ 0.360 U ug/L 1 0.360 1.00 OH14038 EPA 6010D 08/18/20 10:58 JDH Chromium [7440-47-3]^ 1.48 J ug/L 1 1.40 10.0 OH14038 EPA 6010D 08/18/20 10:58 JDH Cobalt [7440-48-4]^ 1.40 U ug/L 1 1.40 10.0 OH14038 EPA 6010D 08/18/20 10:58 JDH Copper[7440-50-8]^ 2.34 J ug/L 1 1.60 10.0 OH14038 EPA 6010D 08/18/20 10:58 JDH Lead [7439-92-1]^ 3.10 U ug/L 1 3.10 10.0 OH14038 EPA 6010D 08/18/20 10:58 JDH Nickel[7440-02-O]^ 2.20 U ug/L 1 2.20 10.0 OH14038 EPA 6010D 08/18/20 10:58 JDH Selenium [7782-49-2]^ 6.20 U ug/L 1 6.20 10.0 OH14038 EPA 6010D 08/18/20 10:58 JDH Silver [7440-22-4]^ 1.90 U ug/L 1 1.90 10.0 OH14038 EPA 6010D 08/18/20 10:58 JDH Thallium [7440-28-O]^ 0.220 U ug/L 2 0.220 2.00 OH14041 EPA 6020B 08/18/20 11:03 RLF Vanadium [7440-62-2]^ 1.40 U ug/L 1 1.40 10.0 OH14038 EPA 6010D 08/18/20 10:58 JDH Zinc[7440-66-6]^ 4.40 U ug/L 1 4.40 10.0 OH14038 EPA 6010D 08/18/20 10:58 JDH FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 22 of 68 00� www.encolabs.com ANALYTICAL RESULTS Description: 8003-MW20 Lab Sample ID:CD10012-08 Received: 08/13/20 13:12 Matrix: Ground Water Sampled:08/12/20 10:37 Work Order: CD10012 Project: Rowan County Active Landfills Sampled By:Travis Martinez/Nicolas Tej Volatile Organic Compounds by GCMS ^ - ENCO Cary certfied anaiyte [NC 591] Analyte ICAS Numberl Results Flaa Units DF MDL P L Batch Method Analyzed Notes 1,1,1,2-Tetrachloroethane [630-20-6]A 0.17 u ug/L 1 0.17 1.0 OH17032 EPA 8260D 08/18/20 13:05 REF 1,1,1-Trichloroethane [71-55-6]A 0.12 u ug/L 1 0.12 1.0 OH17032 EPA 8260D 08/18/20 13:05 REF 1,1,2,2-Tetrachloroethane [79-34-5]A 0.28 u ug/L 1 0.28 1.0 OH17032 EPA 8260D 08/18/20 13:05 REF 1,1,2-Trichloroethane [79-00-5]A 0.14 u ug/L 1 0.14 1.0 OH17032 EPA 8260D 08/18/20 13:05 REF 1,1-Dichloroethane [75-34-3]^ 0.13 u ug/L 1 0.13 1.0 OH17032 EPA 8260D 08/18/20 13:05 REF 1,1-Dichloroethene [75-35-4]^ 0.21 u ug/L 1 0.21 1.0 OH17032 EPA 8260D 08/18/20 13:05 REF 1,2,3-Trichloropropane [96-18-4]^ 0.23 u ug/L 1 0.23 1.0 OH17032 EPA 8260D 08/18/20 13:05 REF 1,2-Dibromo-3-chloropropane [96-12-8]^ 0.48 u ug/L 1 0.48 1.0 OH17032 EPA 8260D 08/18/20 13:05 REF 1,2-Dibromoethane [106-93-4]^ 0.66 u ug/L 1 0.66 1.0 OH17032 EPA 8260D 08/18/20 13:05 REF 1,2-Dichlorobenzene [95-50-1]^ 0.19 u ug/L 1 0.19 1.0 OH17032 EPA 8260D 08/18/20 13:05 REF 1,2-Dichloroethane [107-06-2]^ 0.21 u ug/L 1 0.21 1.0 OH17032 EPA 8260D 08/18/20 13:05 REF 1,2-Dichloropropane [78-87-5]^ 0.10 u ug/L 1 0.10 1.0 OH17032 EPA 8260D 08/18/20 13:05 REF 1,4-Dichlorobenzene [106-46-7]^ 0.19 u ug/L 1 0.19 1.0 OH17032 EPA 8260D 08/18/20 13:05 REF 2-Butanone [78-93-3]A 1.3 u ug/L 1 1.3 5.0 OH17032 EPA 8260D 08/18/20 13:05 REF 2-Hexanone [591-78-6]A 0.88 u ug/L 1 0.88 5.0 OH17032 EPA 8260D 08/18/20 13:05 REF 4-Methyl-2-pentanone [108-10-1]^ 1.1 u ug/L 1 1.1 5.0 OH17032 EPA 8260D 08/18/20 13:05 REF Acetone [67-64-1]A 10 u ug/L 1 10 20 OH17032 EPA 8260D 08/18/20 13:05 REF Acrylonitrile [107-13-1]^ 3.5 u ug/L 1 3.5 10 OH17032 EPA 8260D 08/18/20 13:05 REF Benzene [71-43-2]A 0.15 u ug/L 1 0.15 1.0 OH17032 EPA 8260D 08/18/20 13:05 REF Bromochloromethane [74-97-5]A 0.48 u ug/L 1 0.48 1.0 OH17032 EPA 8260D 08/18/20 13:05 REF Bromodichloromethane [75-27-4]^ 0.17 u ug/L 1 0.17 1.0 OH17032 EPA 8260D 08/18/20 13:05 REF Bromoform [75-25-2]^ 0.22 u ug/L 1 0.22 1.0 OH17032 EPA 8260D 08/18/20 13:05 REF Bromomethane [74-83-9]A 0.14 u ug/L 1 0.14 1.0 OH17032 EPA 8260D 08/18/20 13:05 REF Carbon disulfide [75-15-O]A 1.5 u ug/L 1 1.5 5.0 OH17032 EPA 8260D 08/18/20 13:05 REF Carbon tetrachloride [56-23-5]A 0.17 u ug/L 1 0.17 1.0 OH17032 EPA 8260D 08/18/20 13:05 REF Chlorobenzene [108-90-7]A 0.17 u ug/L 1 0.17 1.0 OH17032 EPA 8260D 08/18/20 13:05 REF Chloroethane [75-00-3]A 0.23 u ug/L 1 0.23 1.0 OH17032 EPA 8260D 08/18/20 13:05 REF Chloroform [67-66-3]^ 0.18 u ug/L 1 0.18 1.0 OH17032 EPA 8260D 08/18/20 13:05 REF Chloromethane [74-87-3]A 0.13 u ug/L 1 0.13 1.0 OH17032 EPA 8260D 08/18/20 13:05 REF cis-1,2-Dichloroethene [156-59-2]^ 0.15 u ug/L 1 0.15 1.0 OH17032 EPA 8260D 08/18/20 13:05 REF cis-1,3-Dichloropropene [10061-01-5]A 0.20 u ug/L 1 0.20 1.0 OH17032 EPA 8260D 08/18/20 13:05 REF Dibromochloromethane [124-48-1]A 0.17 u ug/L 1 0.17 1.0 OH17032 EPA 8260D 08/18/20 13:05 REF Dibromomethane [74-95-3]A 0.27 u ug/L 1 0.27 1.0 OH17032 EPA 8260D 08/18/20 13:05 REF Ethylbenzene [100-41-4]A 0.13 u ug/L 1 0.13 1.0 OH17032 EPA 8260D 08/18/20 13:05 REF Iodomethane [74-88-4]^ 1.7 u ug/L 1 1.7 5.0 OH17032 EPA 8260D 08/18/20 13:05 REF Methylene chloride [75-09-2]A 0.23 u ug/L 1 0.23 1.0 OH17032 EPA 8260D 08/18/20 13:05 REF Styrene [100-42-5]A 0.11 u ug/L 1 0.11 1.0 OH17032 EPA 8260D 08/18/20 13:05 REF Tetrachloroethene [127-18-4]A 0.17 u ug/L 1 0.17 1.0 OH17032 EPA 8260D 08/18/20 13:05 REF Toluene [108-88-3]^ 0.14 u ug/L 1 0.14 1.0 OH17032 EPA 8260D 08/18/20 13:05 REF trans-1,2-Dichloroethene [156-60-5]^ 0.21 u ug/L 1 0.21 1.0 OH17032 EPA 8260D 08/18/20 13:05 REF trans-1,3-Dichloropropene [10061-02-6]^ 0.15 u ug/L 1 0.15 1.0 OH17032 EPA 8260D 08/18/20 13:05 REF trans-1,4-Dichloro-2-butene [110-57-6]A 0.70 u ug/L 1 0.70 1.0 OH17032 EPA 8260D 08/18/20 13:05 REF Trichloroethene [79-01-6]^ 0.15 u ug/L 1 0.15 1.0 OH17032 EPA 8260D 08/18/20 13:05 REF Trichlorofluoromethane [75-69-4]^ 0.24 u ug/L 1 0.24 1.0 OH17032 EPA 8260D 08/18/20 13:05 REF Vinyl acetate [108-05-4]A 0.95 u ug/L 1 0.95 5.0 OH17032 EPA 8260D 08/18/20 13:05 REF A-07 Vinyl chloride [75-01-4]^ 0.32 u ug/L 1 0.32 1.0 OH17032 EPA 8260D 08/18/20 13:05 REF Xylenes (Total) [1330-20-7]A 0.45 u ug/L 1 0.45 3.0 OH17032 EPA 8260D 08/18/20 13:05 REF FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 23 Of 68 (� �Eo www.encolabs.com ANALYTICAL RESULTS Description: 8003-MW20 Lab Sample ID:CD10012-08 Received: 08/13/20 13:12 Matrix: Ground Water Sampled:08/12/20 10:37 Work Order: CD10012 Project: Rowan County Active Landfills Sampled By:Travis Martinez/Nicolas Tej Volatile Organic Compounds by GCMS ^ - ENCO Cary certified analyte [NC 591] Surrogates Results DF Spike Lv/ % Rec % Rec Limits Batch Method Ana/vzed By Notes 4-Bromofluorobenzene 41 1 50.0 82 % 53-136 OH17032 EPA 6260D 08118120 13:05 REF Dibromofluoromethane 46 1 50.0 93 % 67-129 OH17032 EPA 6260D 0811812013:05 REF Toluene-& 42 1 50.0 84 % 59-134 OH17032 EPA 6260D 0811812013:05 REF Metals (total recoverable) by EPA 6000/7000 Series Methods ^ - ENCO Cary certified analyte [NC 591] Analyte rCAS Numberl Results Flag Units DF MDL PQL Batch Method Analyzed Ay Notes Antimony [7440-36-O]^ 0.740 U ug/L 2 0.740 2.00 OH14041 EPA 6020B 08/18/20 11:07 RLF Arsenic[7440-38-2]^ 7.60 U ug/L 1 7.60 10.0 OH14038 EPA 6010D 08/18/20 11:00 JDH Barium [7440-39-3]^ 79.1 ug/L 1 1.10 10.0 OH14038 EPA 6010D 08/18/20 11:00 JDH Beryllium [7440-41-7]^ 0.160 U ug/L 1 0.160 1.00 OH14038 EPA 6010D 08/18/20 11:00 JDH Cadmium [7440-43-9]^ 0.360 U ug/L 1 0.360 1.00 OH14038 EPA 6010D 08/18/20 11:00 JDH Chromium [7440-47-3]^ 1.83 J ug/L 1 1.40 10.0 OH14038 EPA 6010D 08/18/20 11:00 JDH Cobalt[7440-48-4]^ 4.50 J ug/L 1 1.40 10.0 OH14038 EPA 6010D 08/18/20 11:00 JDH Copper[7440-50-8]^ 6.60 J ug/L 1 1.60 10.0 OH14038 EPA 6010D 08/18/20 11:00 JDH Lead [7439-92-1]^ 3.10 U ug/L 1 3.10 10.0 OH14038 EPA 6010D 08/18/20 11:00 JDH Nickel[7440-02-O]^ 4.57 J ug/L 1 2.20 10.0 OH14038 EPA 6010D 08/18/20 11:00 JDH Selenium [7782-49-2]^ 6.20 U ug/L 1 6.20 10.0 OH14038 EPA 6010D 08/18/20 11:00 JDH Silver [7440-22-4]^ 1.90 U ug/L 1 1.90 10.0 OH14038 EPA 6010D 08/18/20 11:00 JDH Thallium [7440-28-O]^ 0.220 U ug/L 2 0.220 2.00 OH14041 EPA 6020B 08/18/20 11:07 RLF Vanadium [7440-62-2]^ 1.40 U ug/L 1 1.40 10.0 OH14038 EPA 6010D 08/18/20 11:00 JDH Zinc[7440-66-6]^ 13.8 ug/L 1 4.40 10.0 OH14038 EPA 6010D 08/18/20 11:00 JDH FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 24 of 68 0Nk"q09 www.encolabs.com ANALYTICAL RESULTS Description: 8003-MW23 Lab Sample ID:CD10012-09 Received: 08/13/20 13:12 Matrix: Ground Water Sampled:08/11/20 15:01 Work Order: CD10012 Project: Rowan County Active Landfills Sampled By:Travis Martinez/Nicolas Tej Volatile Organic Compounds by GCMS ^ - ENCO Cary certfied anaiyte [NC 591] Analyte ICAS Numberl Results Flaa Units DF MDL P L Batch Method Analyzed Notes 1,1,1,2-Tetrachloroethane [630-20-6]A 0.17 u ug/L 1 0.17 1.0 OH17031 EPA 8260D 08/18/20 01:11 REF 1,1,1-Trichloroethane [71-55-6]A 0.12 u ug/L 1 0.12 1.0 OH17031 EPA 8260D 08/18/20 01:11 REF 1,1,2,2-Tetrachloroethane [79-34-5]A 0.28 u ug/L 1 0.28 1.0 OH17031 EPA 8260D 08/18/20 01:11 REF 1,1,2-Trichloroethane [79-00-5]A 0.14 u ug/L 1 0.14 1.0 OH17031 EPA 8260D 08/18/20 01:11 REF 1,1-Dichloroethane [75-34-3]^ 0.13 u ug/L 1 0.13 1.0 OH17031 EPA 8260D 08/18/20 01:11 REF 1,1-Dichloroethene [75-35-4]^ 0.21 u ug/L 1 0.21 1.0 OH17031 EPA 8260D 08/18/20 01:11 REF 1,2,3-Trichloropropane [96-18-4]^ 0.23 u ug/L 1 0.23 1.0 OH17031 EPA 8260D 08/18/20 01:11 REF 1,2-Dibromo-3-chloropropane [96-12-8]^ 0.48 u ug/L 1 0.48 1.0 OH17031 EPA 8260D 08/18/20 01:11 REF 1,2-Dibromoethane [106-93-4]^ 0.66 u ug/L 1 0.66 1.0 OH17031 EPA 8260D 08/18/20 01:11 REF 1,2-Dichlorobenzene [95-50-1]^ 0.19 u ug/L 1 0.19 1.0 OH17031 EPA 8260D 08/18/20 01:11 REF 1,2-Dichloroethane [107-06-2]^ 0.21 u ug/L 1 0.21 1.0 OH17031 EPA 8260D 08/18/20 01:11 REF 1,2-Dichloropropane [78-87-5]^ 0.10 u ug/L 1 0.10 1.0 OH17031 EPA 8260D 08/18/20 01:11 REF 1,4-Dichlorobenzene [106-46-7]^ 0.19 u ug/L 1 0.19 1.0 OH17031 EPA 8260D 08/18/20 01:11 REF 2-Butanone [78-93-3]A 1.3 u ug/L 1 1.3 5.0 OH17031 EPA 8260D 08/18/20 01:11 REF 2-Hexanone [591-78-6]A 0.88 u ug/L 1 0.88 5.0 OH17031 EPA 8260D 08/18/20 01:11 REF 4-Methyl-2-pentanone [108-10-1]^ 1.1 u ug/L 1 1.1 5.0 OH17031 EPA 8260D 08/18/20 01:11 REF Acetone [67-64-1]A 10 u ug/L 1 10 20 OH17031 EPA 8260D 08/18/20 01:11 REF Acrylonitrile [107-13-1]^ 3.5 u ug/L 1 3.5 10 OH17031 EPA 8260D 08/18/20 01:11 REF Benzene[71-43-2]A 0.15 u ug/L 1 0.15 1.0 OH17031 EPA 8260D 08/18/20 01:11 REF Bromochloromethane [74-97-5]A 0.48 u ug/L 1 0.48 1.0 OH17031 EPA 8260D 08/18/20 01:11 REF Bromodichloromethane [75-27-4]^ 0.17 u ug/L 1 0.17 1.0 OH17031 EPA 8260D 08/18/20 01:11 REF Bromoform [75-25-2]^ 0.22 u ug/L 1 0.22 1.0 OH17031 EPA 8260D 08/18/20 01:11 REF Bromomethane [74-83-9]A 0.14 u ug/L 1 0.14 1.0 OH17031 EPA 8260D 08/18/20 01:11 REF Carbon disulfide [75-15-O]A 1.5 u ug/L 1 1.5 5.0 OH17031 EPA 8260D 08/18/20 01:11 REF Carbon tetrachloride [56-23-5]A 0.17 u ug/L 1 0.17 1.0 OH17031 EPA 8260D 08/18/20 01:11 REF Chlorobenzene[108-90-7]A 0.17 u ug/L 1 0.17 1.0 OH17031 EPA 8260D 08/18/20 01:11 REF Chloroethane [75-00-3]A 0.23 u ug/L 1 0.23 1.0 OH17031 EPA 8260D 08/18/20 01:11 REF Chloroform [67-66-3]^ 0.18 u ug/L 1 0.18 1.0 OH17031 EPA 8260D 08/18/20 01:11 REF Chloromethane [74-87-3]A 0.13 u ug/L 1 0.13 1.0 OH17031 EPA 8260D 08/18/20 01:11 REF cis-1,2-Dichloroethene [156-59-2]^ 0.15 u ug/L 1 0.15 1.0 OH17031 EPA 8260D 08/18/20 01:11 REF cis-1,3-Dichloropropene [10061-01-5]A 0.20 u ug/L 1 0.20 1.0 OH17031 EPA 8260D 08/18/20 01:11 REF Dibromochloromethane [124-48-1]A 0.17 u ug/L 1 0.17 1.0 OH17031 EPA 8260D 08/18/20 01:11 REF Dibromomethane [74-95-3]A 0.27 u ug/L 1 0.27 1.0 OH17031 EPA 8260D 08/18/20 01:11 REF Ethylbenzene [100-41-4]A 0.13 u ug/L 1 0.13 1.0 OH17031 EPA 8260D 08/18/20 01:11 REF Iodomethane [74-88-4]^ 1.7 u ug/L 1 1.7 5.0 OH17031 EPA 8260D 08/18/20 01:11 REF Methylene chloride [75-09-2]A 0.23 u ug/L 1 0.23 1.0 OH17031 EPA 8260D 08/18/20 01:11 REF Styrene [100-42-5]A 0.11 u ug/L 1 0.11 1.0 OH17031 EPA 8260D 08/18/20 01:11 REF Tetrachloroethene [127-18-4]A 0.17 u ug/L 1 0.17 1.0 OH17031 EPA 8260D 08/18/20 01:11 REF Toluene [108-88-3]^ 0.14 u ug/L 1 0.14 1.0 OH17031 EPA 8260D 08/18/20 01:11 REF trans-1,2-Dichloroethene [156-60-5]^ 0.21 u ug/L 1 0.21 1.0 OH17031 EPA 8260D 08/18/20 01:11 REF trans-1,3-Dichloropropene [10061-02-6]^ 0.15 u ug/L 1 0.15 1.0 OH17031 EPA 8260D 08/18/20 01:11 REF trans-1,4-Dichloro-2-butene [110-57-6]A 0.70 u ug/L 1 0.70 1.0 OH17031 EPA 8260D 08/18/20 01:11 REF Trichloroethene [79-01-6]^ 0.15 u ug/L 1 0.15 1.0 OH17031 EPA 8260D 08/18/20 01:11 REF Trichlorofluoromethane [75-69-4]^ 0.24 u ug/L 1 0.24 1.0 OH17031 EPA 8260D 08/18/20 01:11 REF Vinyl acetate [108-05-4]A 0.95 u ug/L 1 0.95 5.0 OH17031 EPA 8260D 08/18/20 01:11 REF A-07 Vinyl chloride [75-01-4]^ 0.32 u ug/L 1 0.32 1.0 OH17031 EPA 8260D 08/18/20 01:11 REF Xylenes (Total) [1330-20-7]A 0.45 u ug/L 1 0.45 3.0 OH17031 EPA 8260D 08/18/20 01:11 REF FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 25 Of 68 (� �Eo www.encolabs.com ANALYTICAL RESULTS Description: 8003-MW23 Lab Sample ID:CD10012-09 Received: 08/13/20 13:12 Matrix: Ground Water Sampled:08/11/20 15:01 Work Order: CD10012 Project: Rowan County Active Landfills Sampled By:Travis Martinez/Nicolas Tej Volatile Organic Compounds by GCMS ^ - ENCO Cary certified analyte [NC 591] Surrogates Results DF Spike Lv/ % Rec % Rec Limits Batch Method Ana/vzed By Notes 4-Bromofluorobenzene 40 1 50.0 81 % 53-136 OH17031 EPA 6260D 08118120 01:11 REF Dibromofluoromethane 45 1 50.0 91 % 67-129 OH17031 EPA 6260D 08118120 01:11 REF Toluene-& 41 1 50.0 83 % 59-134 OH17031 EPA 6260D 08118120 01:11 REF Metals (total recoverable) by EPA 6000/7000 Series Methods ^ - ENCO Cary certified analyte [NC 591] Analyte rCAS Numberl Results Flag Units DF MDL PQL Batch Method Analyzed Ay Notes Antimony [7440-36-O]^ 0.740 U ug/L 2 0.740 2.00 OH14041 EPA 6020B 08/18/20 11:11 RLF Arsenic[7440-38-2]^ 7.60 U ug/L 1 7.60 10.0 OH14038 EPA 6010D 08/18/20 11:02 JDH Barium [7440-39-3]^ 249 ug/L 1 1.10 10.0 OH14038 EPA 6010D 08/18/20 11:02 JDH Beryllium [7440-41-7]^ 0.172 J ug/L 1 0.160 1.00 OH14038 EPA 6010D 08/18/20 11:02 JDH Cadmium [7440-43-9]^ 0.360 U ug/L 1 0.360 1.00 OH14038 EPA 6010D 08/18/20 11:02 JDH Chromium [7440-47-3]^ 4.54 J ug/L 1 1.40 10.0 OH14038 EPA 6010D 08/18/20 11:02 JDH Cobalt [7440-48-4]^ 1.40 U ug/L 1 1.40 10.0 OH14038 EPA 6010D 08/18/20 11:02 JDH Copper[7440-50-8]^ 2.04 J ug/L 1 1.60 10.0 OH14038 EPA 6010D 08/18/20 11:02 JDH Lead [7439-92-1]^ 3.10 U ug/L 1 3.10 10.0 OH14038 EPA 6010D 08/18/20 11:02 JDH Nickel[7440-02-O]^ 6.93 J ug/L 1 2.20 10.0 OH14038 EPA 6010D 08/18/20 11:02 JDH Selenium [7782-49-2]^ 6.20 U ug/L 1 6.20 10.0 OH14038 EPA 6010D 08/18/20 11:02 JDH Silver [7440-22-4]^ 1.90 U ug/L 1 1.90 10.0 OH14038 EPA 6010D 08/18/20 11:02 JDH Thallium [7440-28-O]^ 0.220 U ug/L 2 0.220 2.00 OH14041 EPA 6020B 08/18/20 11:11 RLF Vanadium [7440-62-2]^ 1.40 U ug/L 1 1.40 10.0 OH14038 EPA 6010D 08/18/20 11:02 JDH Zinc[7440-66-6]^ 5.19 J ug/L 1 4.40 10.0 OH14038 EPA 6010D 08/18/20 11:02 JDH FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 26 of 68 00� www.encolabs.com ANALYTICAL RESULTS Description: 8003-MW23A Lab Sample ID:CD10012-10 Received: 08/13/20 13:12 Matrix: Ground Water Sampled:08/11/20 17:23 Work Order: CD10012 Project: Rowan County Active Landfills Sampled By:Travis Martinez/Nicolas Tej Volatile Organic Compounds by GCMS ^ - ENCO Cary certfied anaiyte [NC 591] Analyte ICAS Numberl Results Flaa Units DF MDL P L Batch Method Analyzed Notes 1,1,1,2-Tetrachloroethane [630-20-6]A 0.17 u ug/L 1 0.17 1.0 OH17032 EPA 8260D 08/18/20 13:35 REF 1,1,1-Trichloroethane [71-55-6]A 0.12 u ug/L 1 0.12 1.0 OH17032 EPA 8260D 08/18/20 13:35 REF 1,1,2,2-Tetrachloroethane [79-34-5]A 0.28 u ug/L 1 0.28 1.0 OH17032 EPA 8260D 08/18/20 13:35 REF 1,1,2-Trichloroethane [79-00-5]A 0.14 u ug/L 1 0.14 1.0 OH17032 EPA 8260D 08/18/20 13:35 REF 1,1-Dichloroethane [75-34-3]^ 0.13 u ug/L 1 0.13 1.0 OH17032 EPA 8260D 08/18/20 13:35 REF 1,1-Dichloroethene [75-35-4]^ 0.21 u ug/L 1 0.21 1.0 OH17032 EPA 8260D 08/18/20 13:35 REF 1,2,3-Trichloropropane [96-18-4]^ 0.23 u ug/L 1 0.23 1.0 OH17032 EPA 8260D 08/18/20 13:35 REF 1,2-Dibromo-3-chloropropane [96-12-8]^ 0.48 u ug/L 1 0.48 1.0 OH17032 EPA 8260D 08/18/20 13:35 REF 1,2-Dibromoethane [106-93-4]^ 0.66 u ug/L 1 0.66 1.0 OH17032 EPA 8260D 08/18/20 13:35 REF 1,2-Dichlorobenzene [95-50-1]^ 0.19 u ug/L 1 0.19 1.0 OH17032 EPA 8260D 08/18/20 13:35 REF 1,2-Dichloroethane [107-06-2]^ 0.21 u ug/L 1 0.21 1.0 OH17032 EPA 8260D 08/18/20 13:35 REF 1,2-Dichloropropane [78-87-5]^ 0.10 u ug/L 1 0.10 1.0 OH17032 EPA 8260D 08/18/20 13:35 REF 1,4-Dichlorobenzene [106-46-7]^ 0.19 u ug/L 1 0.19 1.0 OH17032 EPA 8260D 08/18/20 13:35 REF 2-Butanone [78-93-3]A 1.3 u ug/L 1 1.3 5.0 OH17032 EPA 8260D 08/18/20 13:35 REF 2-Hexanone [591-78-6]A 0.88 u ug/L 1 0.88 5.0 OH17032 EPA 8260D 08/18/20 13:35 REF 4-Methyl-2-pentanone [108-10-1]^ 1.1 u ug/L 1 1.1 5.0 OH17032 EPA 8260D 08/18/20 13:35 REF Acetone [67-64-1]A 10 u ug/L 1 10 20 OH17032 EPA 8260D 08/18/20 13:35 REF Acrylonitrile [107-13-1]^ 3.5 u ug/L 1 3.5 10 OH17032 EPA 8260D 08/18/20 13:35 REF Benzene [71-43-2]A 0.15 u ug/L 1 0.15 1.0 OH17032 EPA 8260D 08/18/20 13:35 REF Bromochloromethane [74-97-5]A 0.48 u ug/L 1 0.48 1.0 OH17032 EPA 8260D 08/18/20 13:35 REF Bromodichloromethane [75-27-4]^ 0.17 u ug/L 1 0.17 1.0 OH17032 EPA 8260D 08/18/20 13:35 REF Bromoform [75-25-2]^ 0.22 u ug/L 1 0.22 1.0 OH17032 EPA 8260D 08/18/20 13:35 REF Bromomethane [74-83-9]A 0.14 u ug/L 1 0.14 1.0 OH17032 EPA 8260D 08/18/20 13:35 REF Carbon disulfide [75-15-O]A 1.5 u ug/L 1 1.5 5.0 OH17032 EPA 8260D 08/18/20 13:35 REF Carbon tetrachloride [56-23-5]A 0.17 u ug/L 1 0.17 1.0 OH17032 EPA 8260D 08/18/20 13:35 REF Chlorobenzene [108-90-7]A 0.17 u ug/L 1 0.17 1.0 OH17032 EPA 8260D 08/18/20 13:35 REF Chloroethane [75-00-3]A 0.23 u ug/L 1 0.23 1.0 OH17032 EPA 8260D 08/18/20 13:35 REF Chloroform [67-66-3]^ 0.18 u ug/L 1 0.18 1.0 OH17032 EPA 8260D 08/18/20 13:35 REF Chloromethane [74-87-3]A 0.13 u ug/L 1 0.13 1.0 OH17032 EPA 8260D 08/18/20 13:35 REF cis-1,2-Dichloroethene [156-59-2]^ 0.15 u ug/L 1 0.15 1.0 OH17032 EPA 8260D 08/18/20 13:35 REF cis-1,3-Dichloropropene [10061-01-5]A 0.20 u ug/L 1 0.20 1.0 OH17032 EPA 8260D 08/18/20 13:35 REF Dibromochloromethane [124-48-1]A 0.17 u ug/L 1 0.17 1.0 OH17032 EPA 8260D 08/18/20 13:35 REF Dibromomethane [74-95-3]A 0.27 u ug/L 1 0.27 1.0 OH17032 EPA 8260D 08/18/20 13:35 REF Ethylbenzene [100-41-4]A 0.13 u ug/L 1 0.13 1.0 OH17032 EPA 8260D 08/18/20 13:35 REF Iodomethane [74-88-4]^ 1.7 u ug/L 1 1.7 5.0 OH17032 EPA 8260D 08/18/20 13:35 REF Methylene chloride [75-09-2]A 0.23 u ug/L 1 0.23 1.0 OH17032 EPA 8260D 08/18/20 13:35 REF Styrene [100-42-5]A 0.11 u ug/L 1 0.11 1.0 OH17032 EPA 8260D 08/18/20 13:35 REF Tetrachloroethene [127-18-4]A 0.17 u ug/L 1 0.17 1.0 OH17032 EPA 8260D 08/18/20 13:35 REF Toluene [108-88-3]^ 0.14 u ug/L 1 0.14 1.0 OH17032 EPA 8260D 08/18/20 13:35 REF trans-1,2-Dichloroethene [156-60-5]^ 0.21 u ug/L 1 0.21 1.0 OH17032 EPA 8260D 08/18/20 13:35 REF trans-1,3-Dichloropropene [10061-02-6]^ 0.15 u ug/L 1 0.15 1.0 OH17032 EPA 8260D 08/18/20 13:35 REF trans-1,4-Dichloro-2-butene [110-57-6]A 0.70 u ug/L 1 0.70 1.0 OH17032 EPA 8260D 08/18/20 13:35 REF Trichloroethene [79-01-6]^ 0.15 u ug/L 1 0.15 1.0 OH17032 EPA 8260D 08/18/20 13:35 REF Trichlorofluoromethane [75-69-4]^ 0.24 u ug/L 1 0.24 1.0 OH17032 EPA 8260D 08/18/20 13:35 REF Vinyl acetate [108-05-4]A 0.95 u ug/L 1 0.95 5.0 OH17032 EPA 8260D 08/18/20 13:35 REF A-07 Vinyl chloride [75-01-4]^ 0.32 u ug/L 1 0.32 1.0 OH17032 EPA 8260D 08/18/20 13:35 REF Xylenes (Total) [1330-20-7]A 0.45 u ug/L 1 0.45 3.0 OH17032 EPA 8260D 08/18/20 13:35 REF FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 27 Of 68 (� �Eo www.encolabs.com ANALYTICAL RESULTS Description: 8003-MW23A Lab Sample ID:CD10012-10 Received: 08/13/20 13:12 Matrix: Ground Water Sampled:08/11/20 17:23 Work Order: CD10012 Project: Rowan County Active Landfills Sampled By:Travis Martinez/Nicolas Tej Volatile Organic Compounds by GCMS ^ - ENCO Cary certified analyte [NC 591] Surrogates Results DF Spike Lv/ % Rec % Rec Limits Batch Method Ana/vzed By Notes 4-Bromofluorobenzene 41 1 50.0 81 % 53-136 OH17032 EPA 6260D 08118120 13:35 REF Dibromofluoromethane 47 1 50.0 94 % 67-129 OH17032 EPA 6260D 0811812013:35 REF Toluene-& 42 1 50.0 83 % 59-134 OH17032 EPA 6260D 081181201335 REF Metals (total recoverable) by EPA 6000/7000 Series Methods ^ - ENCO Cary certified analyte [NC 591] Analyte rCAS Numberl Results Flag Units DF MDL PQL Batch Method Analyzed Ay Notes Antimony [7440-36-O]^ 0.740 U ug/L 2 0.740 2.00 OH14041 EPA 6020B 08/18/20 11:16 RLF Arsenic[7440-38-2]^ 7.60 U ug/L 1 7.60 10.0 OH14038 EPA 6010D 08/18/20 11:05 JDH Barium [7440-39-3]^ 21.7 ug/L 1 1.10 10.0 OH14038 EPA 6010D 08/18/20 11:05 JDH Beryllium [7440-41-7]^ 0.160 U ug/L 1 0.160 1.00 OH14038 EPA 6010D 08/18/20 11:05 JDH Cadmium [7440-43-9]^ 0.360 U ug/L 1 0.360 1.00 OH14038 EPA 6010D 08/18/20 11:05 JDH Chromium [7440-47-3]^ 1.94 J ug/L 1 1.40 10.0 OH14038 EPA 6010D 08/18/20 11:05 JDH Cobalt [7440-48-4]^ 1.40 U ug/L 1 1.40 10.0 OH14038 EPA 6010D 08/18/20 11:05 JDH Copper[7440-50-8]^ 3.68 J ug/L 1 1.60 10.0 OH14038 EPA 6010D 08/18/20 11:05 JDH Lead [7439-92-1]^ 3.10 U ug/L 1 3.10 10.0 OH14038 EPA 6010D 08/18/20 11:05 JDH Nickel[7440-02-O]^ 2.20 U ug/L 1 2.20 10.0 OH14038 EPA 6010D 08/18/20 11:05 JDH Selenium [7782-49-2]^ 6.20 U ug/L 1 6.20 10.0 OH14038 EPA 6010D 08/18/20 11:05 JDH Silver[7440-22-4]^ 3.69 J ug/L 1 1.90 10.0 OH14038 EPA 6010D 08/18/20 11:05 JDH Thallium [7440-28-O]^ 0.220 U ug/L 2 0.220 2.00 OH14041 EPA 6020B 08/18/20 11:16 RLF Vanadium [7440-62-2]^ 5.08 J ug/L 1 1.40 10.0 OH14038 EPA 6010D 08/18/20 11:05 JDH Zinc[7440-66-6]^ 5.99 J ug/L 1 4.40 10.0 OH14038 EPA 6010D 08/18/20 11:05 JDH FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 28 of 68 0Nk"q09 www.encolabs.com ANALYTICAL RESULTS Description: 8003-MW24R Lab Sample ID:CD10012-11 Received: 08/13/20 13:12 Matrix: Ground Water Sampled:08/11/20 13:22 Work Order: CD10012 Project: Rowan County Active Landfills Sampled By:Travis Martinez/Nicolas Tej Volatile Organic Compounds by GCMS ^ - ENCO Cary certfied anaiyte [NC 591] Analyte ICAS Numberl Results Flaa Units DF MDL P L Batch Method Analyzed Notes 1,1,1,2-Tetrachloroethane [630-20-6]A 0.17 u ug/L 1 0.17 1.0 OH17032 EPA 8260D 08/18/20 14:04 REF 1,1,1-Trichloroethane [71-55-6]A 0.12 u ug/L 1 0.12 1.0 OH17032 EPA 8260D 08/18/20 14:04 REF 1,1,2,2-Tetrachloroethane [79-34-5]A 0.28 u ug/L 1 0.28 1.0 OH17032 EPA 8260D 08/18/20 14:04 REF 1,1,2-Trichloroethane [79-00-5]A 0.14 u ug/L 1 0.14 1.0 OH17032 EPA 8260D 08/18/20 14:04 REF 1,1-Dichloroethane [75-34-3]^ 0.13 u ug/L 1 0.13 1.0 OH17032 EPA 8260D 08/18/20 14:04 REF 1,1-Dichloroethene [75-35-4]^ 0.21 u ug/L 1 0.21 1.0 OH17032 EPA 8260D 08/18/20 14:04 REF 1,2,3-Trichloropropane [96-18-4]^ 0.23 u ug/L 1 0.23 1.0 OH17032 EPA 8260D 08/18/20 14:04 REF 1,2-Dibromo-3-chloropropane [96-12-8]^ 0.48 u ug/L 1 0.48 1.0 OH17032 EPA 8260D 08/18/20 14:04 REF 1,2-Dibromoethane [106-93-4]^ 0.66 u ug/L 1 0.66 1.0 OH17032 EPA 8260D 08/18/20 14:04 REF 1,2-Dichlorobenzene [95-50-1]^ 0.19 u ug/L 1 0.19 1.0 OH17032 EPA 8260D 08/18/20 14:04 REF 1,2-Dichloroethane [107-06-2]^ 0.21 u ug/L 1 0.21 1.0 OH17032 EPA 8260D 08/18/20 14:04 REF 1,2-Dichloropropane [78-87-5]^ 0.10 u ug/L 1 0.10 1.0 OH17032 EPA 8260D 08/18/20 14:04 REF 1,4-Dichlorobenzene [106-46-7]^ 0.19 u ug/L 1 0.19 1.0 OH17032 EPA 8260D 08/18/20 14:04 REF 2-Butanone [78-93-3]A 1.3 u ug/L 1 1.3 5.0 OH17032 EPA 8260D 08/18/20 14:04 REF 2-Hexanone [591-78-6]A 0.88 u ug/L 1 0.88 5.0 OH17032 EPA 8260D 08/18/20 14:04 REF 4-Methyl-2-pentanone [108-10-1]^ 1.1 u ug/L 1 1.1 5.0 OH17032 EPA 8260D 08/18/20 14:04 REF Acetone [67-64-1]A 10 u ug/L 1 10 20 OH17032 EPA 8260D 08/18/20 14:04 REF Acrylonitrile [107-13-1]^ 3.5 u ug/L 1 3.5 10 OH17032 EPA 8260D 08/18/20 14:04 REF Benzene [71-43-2]A 0.15 u ug/L 1 0.15 1.0 OH17032 EPA 8260D 08/18/20 14:04 REF Bromochloromethane [74-97-5]A 0.48 u ug/L 1 0.48 1.0 OH17032 EPA 8260D 08/18/20 14:04 REF Bromodichloromethane [75-27-4]^ 0.17 u ug/L 1 0.17 1.0 OH17032 EPA 8260D 08/18/20 14:04 REF Bromoform [75-25-2]^ 0.22 u ug/L 1 0.22 1.0 OH17032 EPA 8260D 08/18/20 14:04 REF Bromomethane [74-83-9]A 0.14 u ug/L 1 0.14 1.0 OH17032 EPA 8260D 08/18/20 14:04 REF Carbon disulfide [75-15-O]A 1.5 u ug/L 1 1.5 5.0 OH17032 EPA 8260D 08/18/20 14:04 REF Carbon tetrachloride [56-23-5]A 0.17 u ug/L 1 0.17 1.0 OH17032 EPA 8260D 08/18/20 14:04 REF Chlorobenzene [108-90-7]A 0.17 u ug/L 1 0.17 1.0 OH17032 EPA 8260D 08/18/20 14:04 REF Chloroethane [75-00-3]A 0.23 u ug/L 1 0.23 1.0 OH17032 EPA 8260D 08/18/20 14:04 REF Chloroform [67-66-3]^ 0.18 u ug/L 1 0.18 1.0 OH17032 EPA 8260D 08/18/20 14:04 REF Chloromethane [74-87-3]A 0.13 u ug/L 1 0.13 1.0 OH17032 EPA 8260D 08/18/20 14:04 REF cis-1,2-Dichloroethene [156-59-2]^ 0.15 u ug/L 1 0.15 1.0 OH17032 EPA 8260D 08/18/20 14:04 REF cis-1,3-Dichloropropene [10061-01-5]A 0.20 u ug/L 1 0.20 1.0 OH17032 EPA 8260D 08/18/20 14:04 REF Dibromochloromethane [124-48-1]A 0.17 u ug/L 1 0.17 1.0 OH17032 EPA 8260D 08/18/20 14:04 REF Dibromomethane [74-95-3]A 0.27 u ug/L 1 0.27 1.0 OH17032 EPA 8260D 08/18/20 14:04 REF Ethylbenzene [100-41-4]A 0.13 u ug/L 1 0.13 1.0 OH17032 EPA 8260D 08/18/20 14:04 REF Iodomethane [74-88-4]^ 1.7 u ug/L 1 1.7 5.0 OH17032 EPA 8260D 08/18/20 14:04 REF Methylene chloride [75-09-2]A 0.23 u ug/L 1 0.23 1.0 OH17032 EPA 8260D 08/18/20 14:04 REF Styrene [100-42-5]A 0.11 u ug/L 1 0.11 1.0 OH17032 EPA 8260D 08/18/20 14:04 REF Tetrachloroethene [127-18-4]A 0.17 u ug/L 1 0.17 1.0 OH17032 EPA 8260D 08/18/20 14:04 REF Toluene [108-88-3]^ 0.14 u ug/L 1 0.14 1.0 OH17032 EPA 8260D 08/18/20 14:04 REF trans-1,2-Dichloroethene [156-60-5]^ 0.21 u ug/L 1 0.21 1.0 OH17032 EPA 8260D 08/18/20 14:04 REF trans-1,3-Dichloropropene [10061-02-6]^ 0.15 u ug/L 1 0.15 1.0 OH17032 EPA 8260D 08/18/20 14:04 REF trans-1,4-Dichloro-2-butene [110-57-6]A 0.70 u ug/L 1 0.70 1.0 OH17032 EPA 8260D 08/18/20 14:04 REF Trichloroethene [79-01-6]^ 0.15 u ug/L 1 0.15 1.0 OH17032 EPA 8260D 08/18/20 14:04 REF Trichlorofluoromethane [75-69-4]^ 0.24 u ug/L 1 0.24 1.0 OH17032 EPA 8260D 08/18/20 14:04 REF Vinyl acetate [108-05-4]A 0.95 u ug/L 1 0.95 5.0 OH17032 EPA 8260D 08/18/20 14:04 REF A-07 Vinyl chloride [75-01-4]^ 0.32 u ug/L 1 0.32 1.0 OH17032 EPA 8260D 08/18/20 14:04 REF Xylenes (Total) [1330-20-7]A 0.45 u ug/L 1 0.45 3.0 OH17032 EPA 8260D 08/18/20 14:04 REF FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 29 Of 68 (� �Eo www.encolabs.com ANALYTICAL RESULTS Description: 8003-MW24R Lab Sample ID:CD10012-11 Received: 08/13/20 13:12 Matrix: Ground Water Sampled:08/11/20 13:22 Work Order: CD10012 Project: Rowan County Active Landfills Sampled By:Travis Martinez/Nicolas Tej Volatile Organic Compounds by GCMS ^ - ENCO Cary certified analyte [NC 591] Surrogates Results DF Spike Lv/ % Rec % Rec Limits Batch Method Ana/vzed By Notes 4-Bromofluorobenzene 41 1 50.0 82 % 53-136 OH17032 EPA 6260D 08118120 14:04 REF Dibromofluoromethane 46 1 50.0 92 % 67-129 OH17032 EPA 6260D 0811812014:04 REF Toluene-& 42 1 50.0 83 % 59-134 OH17032 EPA 6260D 0811812014:04 REF Metals (total recoverable) by EPA 6000/7000 Series Methods ^ - ENCO Cary certified analyte [NC 591] Analyte rCAS Numberl Results Flag Units DF MDL PQL Batch Method Analyzed Ay Notes Antimony [7440-36-O]^ 0.740 U ug/L 2 0.740 2.00 OH14041 EPA 6020B 08/18/20 11:20 RLF Arsenic[7440-38-2]^ 7.60 U ug/L 1 7.60 10.0 OH14038 EPA 6010D 08/18/20 11:07 JDH Barium [7440-39-3]^ 57.2 ug/L 1 1.10 10.0 OH14038 EPA 6010D 08/18/20 11:07 JDH Beryllium [7440-41-7]^ 0.225 J ug/L 1 0.160 1.00 OH14038 EPA 6010D 08/18/20 11:07 JDH Cadmium [7440-43-9]^ 0.360 U ug/L 1 0.360 1.00 OH14038 EPA 6010D 08/18/20 11:07 JDH Chromium [7440-47-3]^ 1.40 U ug/L 1 1.40 10.0 OH14038 EPA 6010D 08/18/20 11:07 JDH Cobalt [7440-48-4]^ 1.40 U ug/L 1 1.40 10.0 OH14038 EPA 6010D 08/18/20 11:07 JDH Copper[7440-50-8]^ 2.61 J ug/L 1 1.60 10.0 OH14038 EPA 6010D 08/18/20 11:07 JDH Lead [7439-92-1]^ 3.10 U ug/L 1 3.10 10.0 OH14038 EPA 6010D 08/18/20 11:07 JDH Nickel[7440-02-O]^ 2.20 U ug/L 1 2.20 10.0 OH14038 EPA 6010D 08/18/20 11:07 JDH Selenium [7782-49-2]^ 6.20 U ug/L 1 6.20 10.0 OH14038 EPA 6010D 08/18/20 11:07 JDH Silver[7440-22-4]^ 2.24 J ug/L 1 1.90 10.0 OH14038 EPA 6010D 08/18/20 11:07 JDH Thallium [7440-28-O]^ 0.220 U ug/L 2 0.220 2.00 OH14041 EPA 6020B 08/18/20 11:20 RLF Vanadium [7440-62-2]^ 1.40 U ug/L 1 1.40 10.0 OH14038 EPA 6010D 08/18/20 11:07 JDH Zinc[7440-66-6]^ 4.40 U ug/L 1 4.40 10.0 OH14038 EPA 6010D 08/18/20 11:07 JDH FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 30 of 68 00� www.encolabs.com ANALYTICAL RESULTS Description: 8003-MW25 Lab Sample ID:CD10012-12 Received: 08/13/20 13:12 Matrix: Ground Water Sampled:08/12/20 09:31 Work Order: CD10012 Project: Rowan County Active Landfills Sampled By:Travis Martinez/Nicolas Tej Volatile Organic Compounds by GCMS ^ - ENCO Cary certfied anaiyte [NC 591] Analyte ICAS Numberl Results Flaa Units DF MDL P L Batch Method Analyzed Notes 1,1,1,2-Tetrachloroethane [630-20-6]A 0.17 u ug/L 1 0.17 1.0 OH17032 EPA 8260D 08/18/20 14:34 REF 1,1,1-Trichloroethane [71-55-6]A 0.12 u ug/L 1 0.12 1.0 OH17032 EPA 8260D 08/18/20 14:34 REF 1,1,2,2-Tetrachloroethane [79-34-5]A 0.28 u ug/L 1 0.28 1.0 OH17032 EPA 8260D 08/18/20 14:34 REF 1,1,2-Trichloroethane [79-00-5]A 0.14 u ug/L 1 0.14 1.0 OH17032 EPA 8260D 08/18/20 14:34 REF 1,1-Dichloroethane [75-34-3]^ 0.13 u ug/L 1 0.13 1.0 OH17032 EPA 8260D 08/18/20 14:34 REF 1,1-Dichloroethene [75-35-4]^ 0.21 u ug/L 1 0.21 1.0 OH17032 EPA 8260D 08/18/20 14:34 REF 1,2,3-Trichloropropane [96-18-4]^ 0.23 u ug/L 1 0.23 1.0 OH17032 EPA 8260D 08/18/20 14:34 REF 1,2-Dibromo-3-chloropropane [96-12-8]^ 0.48 u ug/L 1 0.48 1.0 OH17032 EPA 8260D 08/18/20 14:34 REF 1,2-Dibromoethane [106-93-4]^ 0.66 u ug/L 1 0.66 1.0 OH17032 EPA 8260D 08/18/20 14:34 REF 1,2-Dichlorobenzene [95-50-1]^ 0.19 u ug/L 1 0.19 1.0 OH17032 EPA 8260D 08/18/20 14:34 REF 1,2-Dichloroethane [107-06-2]^ 0.21 u ug/L 1 0.21 1.0 OH17032 EPA 8260D 08/18/20 14:34 REF 1,2-Dichloropropane [78-87-5]^ 0.10 u ug/L 1 0.10 1.0 OH17032 EPA 8260D 08/18/20 14:34 REF 1,4-Dichlorobenzene [106-46-7]^ 0.19 u ug/L 1 0.19 1.0 OH17032 EPA 8260D 08/18/20 14:34 REF 2-Butanone [78-93-3]A 1.3 u ug/L 1 1.3 5.0 OH17032 EPA 8260D 08/18/20 14:34 REF 2-Hexanone [591-78-6]A 0.88 u ug/L 1 0.88 5.0 OH17032 EPA 8260D 08/18/20 14:34 REF 4-Methyl-2-pentanone [108-10-1]^ 1.1 u ug/L 1 1.1 5.0 OH17032 EPA 8260D 08/18/20 14:34 REF Acetone [67-64-1]A 10 u ug/L 1 10 20 OH17032 EPA 8260D 08/18/20 14:34 REF Acrylonitrile [107-13-1]^ 3.5 u ug/L 1 3.5 10 OH17032 EPA 8260D 08/18/20 14:34 REF Benzene [71-43-2]A 0.15 u ug/L 1 0.15 1.0 OH17032 EPA 8260D 08/18/20 14:34 REF Bromochloromethane [74-97-5]A 0.48 u ug/L 1 0.48 1.0 OH17032 EPA 8260D 08/18/20 14:34 REF Bromodichloromethane [75-27-4]^ 0.17 u ug/L 1 0.17 1.0 OH17032 EPA 8260D 08/18/20 14:34 REF Bromoform [75-25-2]^ 0.22 u ug/L 1 0.22 1.0 OH17032 EPA 8260D 08/18/20 14:34 REF Bromomethane [74-83-9]A 0.14 u ug/L 1 0.14 1.0 OH17032 EPA 8260D 08/18/20 14:34 REF Carbon disulfide [75-15-O]A 1.5 u ug/L 1 1.5 5.0 OH17032 EPA 8260D 08/18/20 14:34 REF Carbon tetrachloride [56-23-5]A 0.17 u ug/L 1 0.17 1.0 OH17032 EPA 8260D 08/18/20 14:34 REF Chlorobenzene [108-90-7]A 0.17 u ug/L 1 0.17 1.0 OH17032 EPA 8260D 08/18/20 14:34 REF Chloroethane [75-00-3]A 0.23 u ug/L 1 0.23 1.0 OH17032 EPA 8260D 08/18/20 14:34 REF Chloroform [67-66-3]^ 0.18 u ug/L 1 0.18 1.0 OH17032 EPA 8260D 08/18/20 14:34 REF Chloromethane [74-87-3]A 0.13 u ug/L 1 0.13 1.0 OH17032 EPA 8260D 08/18/20 14:34 REF cis-1,2-Dichloroethene [156-59-2]^ 0.15 u ug/L 1 0.15 1.0 OH17032 EPA 8260D 08/18/20 14:34 REF cis-1,3-Dichloropropene [10061-01-5]A 0.20 u ug/L 1 0.20 1.0 OH17032 EPA 8260D 08/18/20 14:34 REF Dibromochloromethane [124-48-1]A 0.17 u ug/L 1 0.17 1.0 OH17032 EPA 8260D 08/18/20 14:34 REF Dibromomethane [74-95-3]A 0.27 u ug/L 1 0.27 1.0 OH17032 EPA 8260D 08/18/20 14:34 REF Ethylbenzene [100-41-4]A 0.13 u ug/L 1 0.13 1.0 OH17032 EPA 8260D 08/18/20 14:34 REF Iodomethane [74-88-4]^ 1.7 u ug/L 1 1.7 5.0 OH17032 EPA 8260D 08/18/20 14:34 REF Methylene chloride [75-09-2]A 0.23 u ug/L 1 0.23 1.0 OH17032 EPA 8260D 08/18/20 14:34 REF Styrene [100-42-5]A 0.11 u ug/L 1 0.11 1.0 OH17032 EPA 8260D 08/18/20 14:34 REF Tetrachloroethene [127-18-4]A 0.17 u ug/L 1 0.17 1.0 OH17032 EPA 8260D 08/18/20 14:34 REF Toluene [108-88-3]^ 0.14 u ug/L 1 0.14 1.0 OH17032 EPA 8260D 08/18/20 14:34 REF trans-1,2-Dichloroethene [156-60-5]^ 0.21 u ug/L 1 0.21 1.0 OH17032 EPA 8260D 08/18/20 14:34 REF trans-1,3-Dichloropropene [10061-02-6]^ 0.15 u ug/L 1 0.15 1.0 OH17032 EPA 8260D 08/18/20 14:34 REF trans-1,4-Dichloro-2-butene [110-57-6]A 0.70 u ug/L 1 0.70 1.0 OH17032 EPA 8260D 08/18/20 14:34 REF Trichloroethene [79-01-6]^ 0.15 u ug/L 1 0.15 1.0 OH17032 EPA 8260D 08/18/20 14:34 REF Trichlorofluoromethane [75-69-4]^ 0.24 u ug/L 1 0.24 1.0 OH17032 EPA 8260D 08/18/20 14:34 REF Vinyl acetate [108-05-4]A 0.95 u ug/L 1 0.95 5.0 OH17032 EPA 8260D 08/18/20 14:34 REF A-07 Vinyl chloride [75-01-4]^ 0.32 u ug/L 1 0.32 1.0 OH17032 EPA 8260D 08/18/20 14:34 REF Xylenes (Total) [1330-20-7]A 0.45 u ug/L 1 0.45 3.0 OH17032 EPA 8260D 08/18/20 14:34 REF FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 31 Of 68 (� �Eo www.encolabs.com ANALYTICAL RESULTS Description: 8003-MW25 Lab Sample ID:CD10012-12 Received: 08/13/20 13:12 Matrix: Ground Water Sampled:08/12/20 09:31 Work Order: CD10012 Project: Rowan County Active Landfills Sampled By:Travis Martinez/Nicolas Tej Volatile Organic Compounds by GCMS ^ - ENCO Cary certified analyte [NC 591] Surrogates Results DF Spike Lv/ % Rec % Rec Limits Batch Method Ana/vzed By Notes 4-Bromofluorobenzene 40 1 50.0 81 % 53-136 OH17032 EPA 6260D 08118120 14:34 REF Dibromofluoromethane 48 1 50.0 95 % 67-129 OH17032 EPA 6260D 0811812014:34 REF Toluene-& 41 1 50.0 83 % 59-134 OH17032 EPA 6260D 081181201434 REF Metals (total recoverable) by EPA 6000/7000 Series Methods ^ - ENCO Cary certified analyte [NC 591] Analyte rCAS Numberl Results Flag Units DF MDL PQL Batch Method Analyzed Ay Notes Antimony [7440-36-O]^ 0.740 U ug/L 2 0.740 2.00 OH14041 EPA 6020B 08/18/20 11:24 RLF Arsenic[7440-38-2]^ 7.60 U ug/L 1 7.60 10.0 OH14038 EPA 6010D 08/18/20 11:15 JDH Barium [7440-39-3]^ 27.8 ug/L 1 1.10 10.0 OH14038 EPA 6010D 08/18/20 11:15 JDH Beryllium [7440-41-7]^ 0.160 U ug/L 1 0.160 1.00 OH14038 EPA 6010D 08/18/20 11:15 JDH Cadmium [7440-43-9]^ 0.360 U ug/L 1 0.360 1.00 OH14038 EPA 6010D 08/18/20 11:15 JDH Chromium [7440-47-3]^ 5.65 J ug/L 1 1.40 10.0 OH14038 EPA 6010D 08/18/20 11:15 JDH Cobalt [7440-48-4]^ 1.40 U ug/L 1 1.40 10.0 OH14038 EPA 6010D 08/18/20 11:15 JDH Copper[7440-50-8]^ 2.49 J ug/L 1 1.60 10.0 OH14038 EPA 6010D 08/18/20 11:15 JDH Lead [7439-92-1]^ 3.10 U ug/L 1 3.10 10.0 OH14038 EPA 6010D 08/18/20 11:15 JDH Nickel[7440-02-O]^ 2.20 U ug/L 1 2.20 10.0 OH14038 EPA 6010D 08/18/20 11:15 JDH Selenium [7782-49-2]^ 6.20 U ug/L 1 6.20 10.0 OH14038 EPA 6010D 08/18/20 11:15 JDH Silver[7440-22-4]^ 2.13 J ug/L 1 1.90 10.0 OH14038 EPA 6010D 08/18/20 11:15 JDH Thallium [7440-28-O]^ 0.220 U ug/L 2 0.220 2.00 OH14041 EPA 6020B 08/18/20 11:24 RLF Vanadium [7440-62-2]^ 7.97 J ug/L 1 1.40 10.0 OH14038 EPA 6010D 08/18/20 11:15 JDH Zinc[7440-66-6]^ 4.40 U ug/L 1 4.40 10.0 OH14038 EPA 6010D 08/18/20 11:15 JDH FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 32 of 68 00� www.encolabs.com ANALYTICAL RESULTS Description: 8003-MW26 Lab Sample ID:CD10012-13 Received: 08/13/20 13:12 Matrix: Ground Water Sampled:08/10/20 14:38 Work Order: CD10012 Project: Rowan County Active Landfills Sampled By:Travis Martinez/Nicolas Tej Volatile Organic Compounds by GCMS ^ - ENCO Cary certfied anaiyte [NC 591] Analyte ICAS Numberl Results Flaa Units DF MDL P L Batch Method Analyzed Notes 1,1,1,2-Tetrachloroethane [630-20-6]A 0.17 u ug/L 1 0.17 1.0 OH17031 EPA 8260D 08/18/20 01:41 REF 1,1,1-Trichloroethane [71-55-6]A 0.12 u ug/L 1 0.12 1.0 OH17031 EPA 8260D 08/18/20 01:41 REF 1,1,2,2-Tetrachloroethane [79-34-5]A 0.28 u ug/L 1 0.28 1.0 OH17031 EPA 8260D 08/18/20 01:41 REF 1,1,2-Trichloroethane [79-00-5]A 0.14 u ug/L 1 0.14 1.0 OH17031 EPA 8260D 08/18/20 01:41 REF 1,1-Dichloroethane [75-34-3]^ 0.13 u ug/L 1 0.13 1.0 OH17031 EPA 8260D 08/18/20 01:41 REF 1,1-Dichloroethene [75-35-4]^ 0.21 u ug/L 1 0.21 1.0 OH17031 EPA 8260D 08/18/20 01:41 REF 1,2,3-Trichloropropane [96-18-4]^ 0.23 u ug/L 1 0.23 1.0 OH17031 EPA 8260D 08/18/20 01:41 REF 1,2-Dibromo-3-chloropropane [96-12-8]^ 0.48 u ug/L 1 0.48 1.0 OH17031 EPA 8260D 08/18/20 01:41 REF 1,2-Dibromoethane [106-93-4]^ 0.66 u ug/L 1 0.66 1.0 OH17031 EPA 8260D 08/18/20 01:41 REF 1,2-Dichlorobenzene [95-50-1]^ 0.19 u ug/L 1 0.19 1.0 OH17031 EPA 8260D 08/18/20 01:41 REF 1,2-Dichloroethane [107-06-2]^ 0.21 u ug/L 1 0.21 1.0 OH17031 EPA 8260D 08/18/20 01:41 REF 1,2-Dichloropropane [78-87-5]^ 0.10 u ug/L 1 0.10 1.0 OH17031 EPA 8260D 08/18/20 01:41 REF 1,4-Dichlorobenzene [106-46-7]^ 0.19 u ug/L 1 0.19 1.0 OH17031 EPA 8260D 08/18/20 01:41 REF 2-Butanone [78-93-3]A 1.3 u ug/L 1 1.3 5.0 OH17031 EPA 8260D 08/18/20 01:41 REF 2-Hexanone [591-78-6]A 0.88 u ug/L 1 0.88 5.0 OH17031 EPA 8260D 08/18/20 01:41 REF 4-Methyl-2-pentanone [108-10-1]^ 1.1 u ug/L 1 1.1 5.0 OH17031 EPA 8260D 08/18/20 01:41 REF Acetone [67-64-1]A 10 u ug/L 1 10 20 OH17031 EPA 8260D 08/18/20 01:41 REF Acrylonitrile [107-13-1]^ 3.5 u ug/L 1 3.5 10 OH17031 EPA 8260D 08/18/20 01:41 REF Benzene[71-43-2]A 0.15 u ug/L 1 0.15 1.0 OH17031 EPA 8260D 08/18/20 01:41 REF Bromochloromethane [74-97-5]A 0.48 u ug/L 1 0.48 1.0 OH17031 EPA 8260D 08/18/20 01:41 REF Bromodichloromethane [75-27-4]^ 0.17 u ug/L 1 0.17 1.0 OH17031 EPA 8260D 08/18/20 01:41 REF Bromoform [75-25-2]^ 0.22 u ug/L 1 0.22 1.0 OH17031 EPA 8260D 08/18/20 01:41 REF Bromomethane [74-83-9]A 0.14 u ug/L 1 0.14 1.0 OH17031 EPA 8260D 08/18/20 01:41 REF Carbon disulfide [75-15-O]A 1.5 u ug/L 1 1.5 5.0 OH17031 EPA 8260D 08/18/20 01:41 REF Carbon tetrachloride [56-23-5]A 0.17 u ug/L 1 0.17 1.0 OH17031 EPA 8260D 08/18/20 01:41 REF Chlorobenzene[108-90-7]A 0.17 u ug/L 1 0.17 1.0 OH17031 EPA 8260D 08/18/20 01:41 REF Chloroethane [75-00-3]A 0.23 u ug/L 1 0.23 1.0 OH17031 EPA 8260D 08/18/20 01:41 REF Chloroform [67-66-3]^ 0.18 u ug/L 1 0.18 1.0 OH17031 EPA 8260D 08/18/20 01:41 REF Chloromethane [74-87-3]A 0.13 u ug/L 1 0.13 1.0 OH17031 EPA 8260D 08/18/20 01:41 REF cis-1,2-Dichloroethene [156-59-2]^ 0.15 u ug/L 1 0.15 1.0 OH17031 EPA 8260D 08/18/20 01:41 REF cis-1,3-Dichloropropene [10061-01-5]A 0.20 u ug/L 1 0.20 1.0 OH17031 EPA 8260D 08/18/20 01:41 REF Dibromochloromethane [124-48-1]A 0.17 u ug/L 1 0.17 1.0 OH17031 EPA 8260D 08/18/20 01:41 REF Dibromomethane [74-95-3]A 0.27 u ug/L 1 0.27 1.0 OH17031 EPA 8260D 08/18/20 01:41 REF Ethylbenzene [100-41-4]A 0.13 u ug/L 1 0.13 1.0 OH17031 EPA 8260D 08/18/20 01:41 REF Iodomethane [74-88-4]^ 1.7 u ug/L 1 1.7 5.0 OH17031 EPA 8260D 08/18/20 01:41 REF Methylene chloride [75-09-2]A 0.23 u ug/L 1 0.23 1.0 OH17031 EPA 8260D 08/18/20 01:41 REF Styrene [100-42-5]A 0.11 u ug/L 1 0.11 1.0 OH17031 EPA 8260D 08/18/20 01:41 REF Tetrachloroethene [127-18-4]A 0.17 u ug/L 1 0.17 1.0 OH17031 EPA 8260D 08/18/20 01:41 REF Toluene [108-88-3]^ 0.14 u ug/L 1 0.14 1.0 OH17031 EPA 8260D 08/18/20 01:41 REF trans-1,2-Dichloroethene [156-60-5]^ 0.21 u ug/L 1 0.21 1.0 OH17031 EPA 8260D 08/18/20 01:41 REF trans-1,3-Dichloropropene [10061-02-6]^ 0.15 u ug/L 1 0.15 1.0 OH17031 EPA 8260D 08/18/20 01:41 REF trans-1,4-Dichloro-2-butene [110-57-6]A 0.70 u ug/L 1 0.70 1.0 OH17031 EPA 8260D 08/18/20 01:41 REF Trichloroethene [79-01-6]^ 0.15 u ug/L 1 0.15 1.0 OH17031 EPA 8260D 08/18/20 01:41 REF Trichlorofluoromethane [75-69-4]^ 0.24 u ug/L 1 0.24 1.0 OH17031 EPA 8260D 08/18/20 01:41 REF Vinyl acetate [108-05-4]A 0.95 u ug/L 1 0.95 5.0 OH17031 EPA 8260D 08/18/20 01:41 REF A-07 Vinyl chloride [75-01-4]^ 0.32 u ug/L 1 0.32 1.0 OH17031 EPA 8260D 08/18/20 01:41 REF Xylenes (Total) [1330-20-7]A 0.45 u ug/L 1 0.45 3.0 OH17031 EPA 8260D 08/18/20 01:41 REF FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 33 Of 68 (� �Eo www.encolabs.com ANALYTICAL RESULTS Description: 8003-MW26 Lab Sample ID:CD10012-13 Received: 08/13/20 13:12 Matrix: Ground Water Sampled:08/10/20 14:38 Work Order: CD10012 Project: Rowan County Active Landfills Sampled By:Travis Martinez/Nicolas Tej Volatile Organic Compounds by GCMS ^ - ENCO Cary certified analyte [NC 591] Surrogates Results DF Spike Lv/ % Rec % Rec Limits Batch Method Ana/vzed By Notes 4-Bromofluorobenzene 40 1 50.0 80 % 53-136 OH17031 EPA 6260D 08118120 01:41 REF Dibromofluoromethane 45 1 50.0 90 % 67-129 OH17031 EPA 6260D 08118120 01:41 REF Toluene-& 41 1 50.0 82 % 59-134 OH17031 EPA 6260D 08118120 01:41 REF Metals (total recoverable) by EPA 6000/7000 Series Methods ^ - ENCO Cary certified analyte [NC 591] Analyte rCAS Numberl Results Flag Units DF MDL PQL Batch Method Analyzed Ay Notes Antimony [7440-36-O]^ 0.740 U ug/L 2 0.740 2.00 OH14041 EPA 6020B 08/18/20 11:28 RLF Arsenic[7440-38-2]^ 7.60 U ug/L 1 7.60 10.0 OH14039 EPA 6010D 08/19/20 10:31 JDH Barium [7440-39-3]^ 74.4 ug/L 1 1.10 10.0 OH14039 EPA 6010D 08/19/20 10:31 JDH Beryllium [7440-41-7]^ 0.294 J ug/L 1 0.160 1.00 OH14039 EPA 6010D 08/19/20 10:31 JDH Cadmium [7440-43-9]^ 0.360 U ug/L 1 0.360 1.00 OH14039 EPA 6010D 08/19/20 10:31 JDH Chromium [7440-47-3]^ 1.40 U ug/L 1 1.40 10.0 OH14039 EPA 6010D 08/19/20 10:31 JDH Cobalt [7440-48-4]^ 1.40 U ug/L 1 1.40 10.0 OH14039 EPA 6010D 08/19/20 10:31 JDH Copper[7440-50-8]^ 1.60 U ug/L 1 1.60 10.0 OH14039 EPA 6010D 08/19/20 10:31 JDH Lead [7439-92-1]^ 3.10 U ug/L 1 3.10 10.0 OH14039 EPA 6010D 08/19/20 10:31 JDH Nickel[7440-02-O]^ 2.20 U ug/L 1 2.20 10.0 OH14039 EPA 6010D 08/19/20 10:31 JDH Selenium [7782-49-2]^ 6.20 U ug/L 1 6.20 10.0 OH14039 EPA 6010D 08/19/20 10:31 JDH Silver [7440-22-4]^ 1.90 U ug/L 1 1.90 10.0 OH14039 EPA 6010D 08/19/20 10:31 JDH Thallium [7440-28-O]^ 0.220 U ug/L 2 0.220 2.00 OH14041 EPA 6020B 08/18/20 11:28 RLF Vanadium [7440-62-2]^ 1.40 U ug/L 1 1.40 10.0 OH14039 EPA 6010D 08/19/20 10:31 JDH Zinc[7440-66-6]^ 4.40 U ug/L 1 4.40 10.0 OH14039 EPA 6010D 08/19/20 10:31 JDH FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 34 of 68 00� www.encolabs.com ANALYTICAL RESULTS Description: 8003-MW27 Lab Sample ID:CD10012-14 Received: 08/13/20 13:12 Matrix: Ground Water Sampled:08/12/20 14:31 Work Order: CD10012 Project: Rowan County Active Landfills Sampled By:Travis Martinez/Nicolas Tej Volatile Organic Compounds by GCMS ^ - ENCO Cary certfied anaiyte [NC 591] Analyte ICAS Numberl Results Flaa Units DF MDL P L Batch Method Analyzed Notes 1,1,1,2-Tetrachloroethane [630-20-6]A 0.17 u ug/L 1 0.17 1.0 OH17032 EPA 8260D 08/18/20 15:05 REF 1,1,1-Trichloroethane [71-55-6]A 0.12 u ug/L 1 0.12 1.0 OH17032 EPA 8260D 08/18/20 15:05 REF 1,1,2,2-Tetrachloroethane [79-34-5]A 0.28 u ug/L 1 0.28 1.0 OH17032 EPA 8260D 08/18/20 15:05 REF 1,1,2-Trichloroethane [79-00-5]A 0.14 u ug/L 1 0.14 1.0 OH17032 EPA 8260D 08/18/20 15:05 REF 1,1-Dichloroethane [75-34-3]^ 0.13 u ug/L 1 0.13 1.0 OH17032 EPA 8260D 08/18/20 15:05 REF 1,1-Dichloroethene [75-35-4]^ 0.21 u ug/L 1 0.21 1.0 OH17032 EPA 8260D 08/18/20 15:05 REF 1,2,3-Trichloropropane [96-18-4]^ 0.23 u ug/L 1 0.23 1.0 OH17032 EPA 8260D 08/18/20 15:05 REF 1,2-Dibromo-3-chloropropane [96-12-8]^ 0.48 u ug/L 1 0.48 1.0 OH17032 EPA 8260D 08/18/20 15:05 REF 1,2-Dibromoethane [106-93-4]^ 0.66 u ug/L 1 0.66 1.0 OH17032 EPA 8260D 08/18/20 15:05 REF 1,2-Dichlorobenzene [95-50-1]^ 0.19 u ug/L 1 0.19 1.0 OH17032 EPA 8260D 08/18/20 15:05 REF 1,2-Dichloroethane [107-06-2]^ 0.21 u ug/L 1 0.21 1.0 OH17032 EPA 8260D 08/18/20 15:05 REF 1,2-Dichloropropane [78-87-5]^ 0.10 u ug/L 1 0.10 1.0 OH17032 EPA 8260D 08/18/20 15:05 REF 1,4-Dichlorobenzene [106-46-7]^ 0.19 u ug/L 1 0.19 1.0 OH17032 EPA 8260D 08/18/20 15:05 REF 2-Butanone [78-93-3]A 1.3 u ug/L 1 1.3 5.0 OH17032 EPA 8260D 08/18/20 15:05 REF 2-Hexanone [591-78-6]A 0.88 u ug/L 1 0.88 5.0 OH17032 EPA 8260D 08/18/20 15:05 REF 4-Methyl-2-pentanone [108-10-1]^ 1.1 u ug/L 1 1.1 5.0 OH17032 EPA 8260D 08/18/20 15:05 REF Acetone [67-64-1]A 10 u ug/L 1 10 20 OH17032 EPA 8260D 08/18/20 15:05 REF Acrylonitrile [107-13-1]^ 3.5 u ug/L 1 3.5 10 OH17032 EPA 8260D 08/18/20 15:05 REF Benzene [71-43-2]A 0.15 u ug/L 1 0.15 1.0 OH17032 EPA 8260D 08/18/20 15:05 REF Bromochloromethane [74-97-5]A 0.48 u ug/L 1 0.48 1.0 OH17032 EPA 8260D 08/18/20 15:05 REF Bromodichloromethane [75-27-4]^ 0.17 u ug/L 1 0.17 1.0 OH17032 EPA 8260D 08/18/20 15:05 REF Bromoform [75-25-2]^ 0.22 u ug/L 1 0.22 1.0 OH17032 EPA 8260D 08/18/20 15:05 REF Bromomethane [74-83-9]A 0.14 u ug/L 1 0.14 1.0 OH17032 EPA 8260D 08/18/20 15:05 REF Carbon disulfide [75-15-O]A 1.5 u ug/L 1 1.5 5.0 OH17032 EPA 8260D 08/18/20 15:05 REF Carbon tetrachloride [56-23-5]A 0.17 u ug/L 1 0.17 1.0 OH17032 EPA 8260D 08/18/20 15:05 REF Chlorobenzene [108-90-7]A 0.17 u ug/L 1 0.17 1.0 OH17032 EPA 8260D 08/18/20 15:05 REF Chloroethane [75-00-3]A 0.23 u ug/L 1 0.23 1.0 OH17032 EPA 8260D 08/18/20 15:05 REF Chloroform [67-66-3]^ 0.18 u ug/L 1 0.18 1.0 OH17032 EPA 8260D 08/18/20 15:05 REF Chloromethane [74-87-3]A 0.13 u ug/L 1 0.13 1.0 OH17032 EPA 8260D 08/18/20 15:05 REF cis-1,2-Dichloroethene [156-59-2]^ 0.15 u ug/L 1 0.15 1.0 OH17032 EPA 8260D 08/18/20 15:05 REF cis-1,3-Dichloropropene [10061-01-5]A 0.20 u ug/L 1 0.20 1.0 OH17032 EPA 8260D 08/18/20 15:05 REF Dibromochloromethane [124-48-1]A 0.17 u ug/L 1 0.17 1.0 OH17032 EPA 8260D 08/18/20 15:05 REF Dibromomethane [74-95-3]A 0.27 u ug/L 1 0.27 1.0 OH17032 EPA 8260D 08/18/20 15:05 REF Ethylbenzene [100-41-4]A 0.13 u ug/L 1 0.13 1.0 OH17032 EPA 8260D 08/18/20 15:05 REF Iodomethane [74-88-4]^ 1.7 u ug/L 1 1.7 5.0 OH17032 EPA 8260D 08/18/20 15:05 REF Methylene chloride [75-09-2]A 0.23 u ug/L 1 0.23 1.0 OH17032 EPA 8260D 08/18/20 15:05 REF Styrene [100-42-5]A 0.11 u ug/L 1 0.11 1.0 OH17032 EPA 8260D 08/18/20 15:05 REF Tetrachloroethene [127-18-4]A 0.17 u ug/L 1 0.17 1.0 OH17032 EPA 8260D 08/18/20 15:05 REF Toluene [108-88-3]^ 0.14 u ug/L 1 0.14 1.0 OH17032 EPA 8260D 08/18/20 15:05 REF trans-1,2-Dichloroethene [156-60-5]^ 0.21 u ug/L 1 0.21 1.0 OH17032 EPA 8260D 08/18/20 15:05 REF trans-1,3-Dichloropropene [10061-02-6]^ 0.15 u ug/L 1 0.15 1.0 OH17032 EPA 8260D 08/18/20 15:05 REF trans-1,4-Dichloro-2-butene [110-57-6]A 0.70 u ug/L 1 0.70 1.0 OH17032 EPA 8260D 08/18/20 15:05 REF Trichloroethene [79-01-6]^ 0.15 u ug/L 1 0.15 1.0 OH17032 EPA 8260D 08/18/20 15:05 REF Trichlorofluoromethane [75-69-4]^ 0.24 u ug/L 1 0.24 1.0 OH17032 EPA 8260D 08/18/20 15:05 REF Vinyl acetate [108-05-4]A 0.95 u ug/L 1 0.95 5.0 OH17032 EPA 8260D 08/18/20 15:05 REF A-07 Vinyl chloride [75-01-4]^ 0.32 u ug/L 1 0.32 1.0 OH17032 EPA 8260D 08/18/20 15:05 REF Xylenes (Total) [1330-20-7]A 0.45 u ug/L 1 0.45 3.0 OH17032 EPA 8260D 08/18/20 15:05 REF FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 35 Of 68 (� �Eo www.encolabs.com ANALYTICAL RESULTS Description: 8003-MW27 Lab Sample ID:CD10012-14 Received: 08/13/20 13:12 Matrix: Ground Water Sampled:08/12/20 14:31 Work Order: CD10012 Project: Rowan County Active Landfills Sampled By:Travis Martinez/Nicolas Tej Volatile Organic Compounds by GCMS ^ - ENCO Cary certified analyte [NC 591] Surrogates Results DF Spike Lv/ % Rec % Rec Limits Batch Method Ana/vzed By Notes 4-Bromofluorobenzene 41 1 50.0 81 % 53-136 OH17032 EPA 6260D 08118120 15:05 REF Dibromofluoromethane 47 1 50.0 94 % 67-129 OH17032 EPA 6260D 0811812015:05 REF Toluene-& 41 1 50.0 82 % 59-134 OH17032 EPA 6260D 0811812015:05 REF Metals (total recoverable) by EPA 6000/7000 Series Methods ^ - ENCO Cary certified analyte [NC 591] Analyte rCAS Numberl Results Flag Units DF MDL PQL Batch Method Analyzed Ay Notes Antimony [7440-36-O]^ 0.740 U ug/L 2 0.740 2.00 OH14041 EPA 6020B 08/18/20 11:33 RLF Arsenic[7440-38-2]^ 7.60 U ug/L 1 7.60 10.0 OH14039 EPA 6010D 08/19/20 10:45 JDH Barium [7440-39-3]^ 82.9 ug/L 1 1.10 10.0 OH14039 EPA 6010D 08/19/20 10:45 JDH Beryllium [7440-41-7]^ 0.315 J ug/L 1 0.160 1.00 OH14039 EPA 6010D 08/19/20 10:45 JDH Cadmium [7440-43-9]^ 0.360 U ug/L 1 0.360 1.00 OH14039 EPA 6010D 08/19/20 10:45 JDH Chromium [7440-47-3]^ 1.88 J ug/L 1 1.40 10.0 OH14039 EPA 6010D 08/19/20 10:45 JDH Cobalt [7440-48-4]^ 1.40 U ug/L 1 1.40 10.0 OH14039 EPA 6010D 08/19/20 10:45 JDH Copper[7440-50-8]^ 1.64 J ug/L 1 1.60 10.0 OH14039 EPA 6010D 08/19/20 10:45 JDH Lead [7439-92-1]^ 3.10 U ug/L 1 3.10 10.0 OH14039 EPA 6010D 08/19/20 10:45 JDH Nickel[7440-02-O]^ 2.20 U ug/L 1 2.20 10.0 OH14039 EPA 6010D 08/19/20 10:45 JDH Selenium [7782-49-2]^ 6.20 U ug/L 1 6.20 10.0 OH14039 EPA 6010D 08/19/20 10:45 JDH Silver [7440-22-4]^ 1.90 U ug/L 1 1.90 10.0 OH14039 EPA 6010D 08/19/20 10:45 JDH Thallium [7440-28-O]^ 0.220 U ug/L 2 0.220 2.00 OH14041 EPA 6020B 08/18/20 11:33 RLF Vanadium [7440-62-2]^ 1.40 U ug/L 1 1.40 10.0 OH14039 EPA 6010D 08/19/20 10:45 JDH Zinc[7440-66-6]^ 4.40 U ug/L 1 4.40 10.0 OH14039 EPA 6010D 08/19/20 10:45 JDH FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 36 of 68 0Nk"q09 www.encolabs.com ANALYTICAL RESULTS Description: 8003-MW28R Lab Sample ID:CD10012-15 Received: 08/13/20 13:12 Matrix: Ground Water Sampled:08/12/20 11:50 Work Order: CD10012 Project: Rowan County Active Landfills Sampled By:Travis Martinez/Nicolas Tej Volatile Organic Compounds by GCMS ^ - ENCO Cary certfied anaiyte [NC 591] Analyte ICAS Numberl Results Flaa Units DF MDL P L Batch Method Analyzed Notes 1,1,1,2-Tetrachloroethane [630-20-6]A 0.17 u ug/L 1 0.17 1.0 OH17032 EPA 8260D 08/18/20 15:35 REF 1,1,1-Trichloroethane [71-55-6]A 0.12 u ug/L 1 0.12 1.0 OH17032 EPA 8260D 08/18/20 15:35 REF 1,1,2,2-Tetrachloroethane [79-34-5]A 0.28 u ug/L 1 0.28 1.0 OH17032 EPA 8260D 08/18/20 15:35 REF 1,1,2-Trichloroethane [79-00-5]A 0.14 u ug/L 1 0.14 1.0 OH17032 EPA 8260D 08/18/20 15:35 REF 1,1-Dichloroethane [75-34-3]^ 0.13 u ug/L 1 0.13 1.0 OH17032 EPA 8260D 08/18/20 15:35 REF 1,1-Dichloroethene [75-35-4]^ 0.21 u ug/L 1 0.21 1.0 OH17032 EPA 8260D 08/18/20 15:35 REF 1,2,3-Trichloropropane [96-18-4]^ 0.23 u ug/L 1 0.23 1.0 OH17032 EPA 8260D 08/18/20 15:35 REF 1,2-Dibromo-3-chloropropane [96-12-8]^ 0.48 u ug/L 1 0.48 1.0 OH17032 EPA 8260D 08/18/20 15:35 REF 1,2-Dibromoethane [106-93-4]^ 0.66 u ug/L 1 0.66 1.0 OH17032 EPA 8260D 08/18/20 15:35 REF 1,2-Dichlorobenzene [95-50-1]^ 0.19 u ug/L 1 0.19 1.0 OH17032 EPA 8260D 08/18/20 15:35 REF 1,2-Dichloroethane [107-06-2]^ 0.21 u ug/L 1 0.21 1.0 OH17032 EPA 8260D 08/18/20 15:35 REF 1,2-Dichloropropane [78-87-5]^ 0.10 u ug/L 1 0.10 1.0 OH17032 EPA 8260D 08/18/20 15:35 REF 1,4-Dichlorobenzene [106-46-7]^ 0.19 u ug/L 1 0.19 1.0 OH17032 EPA 8260D 08/18/20 15:35 REF 2-Butanone [78-93-3]A 1.3 u ug/L 1 1.3 5.0 OH17032 EPA 8260D 08/18/20 15:35 REF 2-Hexanone [591-78-6]A 0.88 u ug/L 1 0.88 5.0 OH17032 EPA 8260D 08/18/20 15:35 REF 4-Methyl-2-pentanone [108-10-1]^ 1.1 u ug/L 1 1.1 5.0 OH17032 EPA 8260D 08/18/20 15:35 REF Acetone [67-64-1]A 10 u ug/L 1 10 20 OH17032 EPA 8260D 08/18/20 15:35 REF Acrylonitrile [107-13-1]^ 3.5 u ug/L 1 3.5 10 OH17032 EPA 8260D 08/18/20 15:35 REF Benzene [71-43-2]A 0.15 u ug/L 1 0.15 1.0 OH17032 EPA 8260D 08/18/20 15:35 REF Bromochloromethane [74-97-5]A 0.48 u ug/L 1 0.48 1.0 OH17032 EPA 8260D 08/18/20 15:35 REF Bromodichloromethane [75-27-4]^ 0.17 u ug/L 1 0.17 1.0 OH17032 EPA 8260D 08/18/20 15:35 REF Bromoform [75-25-2]^ 0.22 u ug/L 1 0.22 1.0 OH17032 EPA 8260D 08/18/20 15:35 REF Bromomethane [74-83-9]A 0.14 u ug/L 1 0.14 1.0 OH17032 EPA 8260D 08/18/20 15:35 REF Carbon disulfide [75-15-O]A 1.5 u ug/L 1 1.5 5.0 OH17032 EPA 8260D 08/18/20 15:35 REF Carbon tetrachloride [56-23-5]A 0.17 u ug/L 1 0.17 1.0 OH17032 EPA 8260D 08/18/20 15:35 REF Chlorobenzene [108-90-7]A 0.17 u ug/L 1 0.17 1.0 OH17032 EPA 8260D 08/18/20 15:35 REF Chloroethane [75-00-3]A 0.23 u ug/L 1 0.23 1.0 OH17032 EPA 8260D 08/18/20 15:35 REF Chloroform [67-66-3]^ 0.18 u ug/L 1 0.18 1.0 OH17032 EPA 8260D 08/18/20 15:35 REF Chloromethane [74-87-3]A 0.13 u ug/L 1 0.13 1.0 OH17032 EPA 8260D 08/18/20 15:35 REF cis-1,2-Dichloroethene [156-59-2]^ 0.15 u ug/L 1 0.15 1.0 OH17032 EPA 8260D 08/18/20 15:35 REF cis-1,3-Dichloropropene [10061-01-5]A 0.20 u ug/L 1 0.20 1.0 OH17032 EPA 8260D 08/18/20 15:35 REF Dibromochloromethane [124-48-1]A 0.17 u ug/L 1 0.17 1.0 OH17032 EPA 8260D 08/18/20 15:35 REF Dibromomethane [74-95-3]A 0.27 u ug/L 1 0.27 1.0 OH17032 EPA 8260D 08/18/20 15:35 REF Ethylbenzene [100-41-4]A 0.13 u ug/L 1 0.13 1.0 OH17032 EPA 8260D 08/18/20 15:35 REF Iodomethane [74-88-4]^ 1.7 u ug/L 1 1.7 5.0 OH17032 EPA 8260D 08/18/20 15:35 REF Methylene chloride [75-09-2]A 0.23 u ug/L 1 0.23 1.0 OH17032 EPA 8260D 08/18/20 15:35 REF Styrene [100-42-5]A 0.11 u ug/L 1 0.11 1.0 OH17032 EPA 8260D 08/18/20 15:35 REF Tetrachloroethene [127-18-4]A 0.17 u ug/L 1 0.17 1.0 OH17032 EPA 8260D 08/18/20 15:35 REF Toluene [108-88-3]^ 0.14 u ug/L 1 0.14 1.0 OH17032 EPA 8260D 08/18/20 15:35 REF trans-1,2-Dichloroethene [156-60-5]^ 0.21 u ug/L 1 0.21 1.0 OH17032 EPA 8260D 08/18/20 15:35 REF trans-1,3-Dichloropropene [10061-02-6]^ 0.15 u ug/L 1 0.15 1.0 OH17032 EPA 8260D 08/18/20 15:35 REF trans-1,4-Dichloro-2-butene [110-57-6]A 0.70 u ug/L 1 0.70 1.0 OH17032 EPA 8260D 08/18/20 15:35 REF Trichloroethene [79-01-6]^ 0.15 u ug/L 1 0.15 1.0 OH17032 EPA 8260D 08/18/20 15:35 REF Trichlorofluoromethane [75-69-4]^ 0.24 u ug/L 1 0.24 1.0 OH17032 EPA 8260D 08/18/20 15:35 REF Vinyl acetate [108-05-4]A 0.95 u ug/L 1 0.95 5.0 OH17032 EPA 8260D 08/18/20 15:35 REF A-07 Vinyl chloride [75-01-4]^ 0.32 u ug/L 1 0.32 1.0 OH17032 EPA 8260D 08/18/20 15:35 REF Xylenes (Total) [1330-20-7]A 0.45 u ug/L 1 0.45 3.0 OH17032 EPA 8260D 08/18/20 15:35 REF FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 37 Of 68 (� �Eo www.encolabs.com ANALYTICAL RESULTS Description: 8003-MW28R Lab Sample ID:CD10012-15 Received: 08/13/20 13:12 Matrix: Ground Water Sampled:08/12/20 11:50 Work Order: CD10012 Project: Rowan County Active Landfills Sampled By:Travis Martinez/Nicolas Tej Volatile Organic Compounds by GCMS ^ - ENCO Cary certified analyte [NC 591] Surrogates Results DF Spike Lv/ % Rec % Rec Limits Batch Method Ana/vzed By Notes 4-Bromofluorobenzene 40 1 50.0 81 % 53-136 OH17032 EPA 6260D 08118120 15:35 REF Dibromofluoromethane 48 1 50.0 95 % 67-129 OH17032 EPA 6260D 0811812015:35 REF Toluene-& 41 1 50.0 83 % 59-134 OH17032 EPA 6260D 081181201535 REF Metals (total recoverable) by EPA 6000/7000 Series Methods ^ - ENCO Cary certified analyte [NC 591] Analyte rCAS Numberl Results Flag Units DF MDL PQL Batch Method Analyzed Ay Notes Antimony [7440-36-O]^ 0.740 U ug/L 2 0.740 2.00 OH14041 EPA 6020B 08/18/20 11:46 RLF Arsenic[7440-38-2]^ 7.60 U ug/L 1 7.60 10.0 OH14039 EPA 6010D 08/19/20 10:35 JDH Barium [7440-39-3]^ 395 ug/L 1 1.10 10.0 OH14039 EPA 6010D 08/19/20 10:35 JDH Beryllium [7440-41-7]^ 0.681 J ug/L 1 0.160 1.00 OH14039 EPA 6010D 08/19/20 10:35 JDH Cadmium [7440-43-9]^ 0.360 U ug/L 1 0.360 1.00 OH14039 EPA 6010D 08/19/20 10:35 JDH Chromium [7440-47-3]^ 1.41 J ug/L 1 1.40 10.0 OH14039 EPA 6010D 08/19/20 10:35 JDH Cobalt[7440-48-4]^ 2.97 J ug/L 1 1.40 10.0 OH14039 EPA 6010D 08/19/20 10:35 JDH Copper[7440-50-8]^ 1.72 J ug/L 1 1.60 10.0 OH14039 EPA 6010D 08/19/20 10:35 JDH Lead [7439-92-1]^ 3.10 U ug/L 1 3.10 10.0 OH14039 EPA 6010D 08/19/20 10:35 JDH Nickel[7440-02-O]^ 2.20 U ug/L 1 2.20 10.0 OH14039 EPA 6010D 08/19/20 10:35 JDH Selenium [7782-49-2]^ 6.20 U ug/L 1 6.20 10.0 OH14039 EPA 6010D 08/19/20 10:35 JDH Silver [7440-22-4]^ 1.90 U ug/L 1 1.90 10.0 OH14039 EPA 6010D 08/19/20 10:35 JDH Thallium [7440-28-O]^ 0.220 U ug/L 2 0.220 2.00 OH14041 EPA 6020B 08/18/20 11:46 RLF Vanadium [7440-62-2]^ 1.40 U ug/L 1 1.40 10.0 OH14039 EPA 6010D 08/19/20 10:35 JDH Zinc[7440-66-6]^ 5.73 J ug/L 1 4.40 10.0 OH14039 EPA 6010D 08/19/20 10:35 JDH FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 38 of 68 00� www.encolabs.com ANALYTICAL RESULTS Description: 8003-French Drain Lab Sample ID:CD10012-16 Received: 08/13/20 13:12 Matrix: Ground Water Sampled:08/11/20 17:15 Work Order: CD10012 Project: Rowan County Active Landfills Sampled By:Travis Martinez/Nicolas Tej Volatile Organic Compounds by GCMS ^ - ENCO Cary certfied anaiyte [NC 591] Analyte ICAS Numberl Results Flaa Units DF MDL P L Batch Method Analyzed Notes 1,1,1,2-Tetrachloroethane [630-20-6]A 0.17 u ug/L 1 0.17 1.0 OH17032 EPA 8260D 08/18/20 16:05 REF 1,1,1-Trichloroethane [71-55-6]A 0.12 u ug/L 1 0.12 1.0 OH17032 EPA 8260D 08/18/20 16:05 REF 1,1,2,2-Tetrachloroethane [79-34-5]A 0.28 u ug/L 1 0.28 1.0 OH17032 EPA 8260D 08/18/20 16:05 REF 1,1,2-Trichloroethane [79-00-5]A 0.14 u ug/L 1 0.14 1.0 OH17032 EPA 8260D 08/18/20 16:05 REF 1,1-Dichloroethane [75-34-3]^ 0.13 u ug/L 1 0.13 1.0 OH17032 EPA 8260D 08/18/20 16:05 REF 1,1-Dichloroethene [75-35-4]^ 0.21 u ug/L 1 0.21 1.0 OH17032 EPA 8260D 08/18/20 16:05 REF 1,2,3-Trichloropropane [96-18-4]^ 0.23 u ug/L 1 0.23 1.0 OH17032 EPA 8260D 08/18/20 16:05 REF 1,2-Dibromo-3-chloropropane [96-12-8]^ 0.48 u ug/L 1 0.48 1.0 OH17032 EPA 8260D 08/18/20 16:05 REF 1,2-Dibromoethane [106-93-4]^ 0.66 u ug/L 1 0.66 1.0 OH17032 EPA 8260D 08/18/20 16:05 REF 1,2-Dichlorobenzene [95-50-1]^ 0.19 u ug/L 1 0.19 1.0 OH17032 EPA 8260D 08/18/20 16:05 REF 1,2-Dichloroethane [107-06-2]^ 0.21 u ug/L 1 0.21 1.0 OH17032 EPA 8260D 08/18/20 16:05 REF 1,2-Dichloropropane [78-87-5]^ 0.10 u ug/L 1 0.10 1.0 OH17032 EPA 8260D 08/18/20 16:05 REF 1,4-Dichlorobenzene [106-46-7]^ 0.19 u ug/L 1 0.19 1.0 OH17032 EPA 8260D 08/18/20 16:05 REF 2-Butanone [78-93-3]A 1.3 u ug/L 1 1.3 5.0 OH17032 EPA 8260D 08/18/20 16:05 REF 2-Hexanone [591-78-6]A 0.88 u ug/L 1 0.88 5.0 OH17032 EPA 8260D 08/18/20 16:05 REF 4-Methyl-2-pentanone [108-10-1]^ 1.1 u ug/L 1 1.1 5.0 OH17032 EPA 8260D 08/18/20 16:05 REF Acetone [67-64-1]A 10 u ug/L 1 10 20 OH17032 EPA 8260D 08/18/20 16:05 REF Acrylonitrile [107-13-1]^ 3.5 u ug/L 1 3.5 10 OH17032 EPA 8260D 08/18/20 16:05 REF Benzene [71-43-2]A 0.15 u ug/L 1 0.15 1.0 OH17032 EPA 8260D 08/18/20 16:05 REF Bromochloromethane [74-97-5]A 0.48 u ug/L 1 0.48 1.0 OH17032 EPA 8260D 08/18/20 16:05 REF Bromodichloromethane [75-27-4]^ 0.17 u ug/L 1 0.17 1.0 OH17032 EPA 8260D 08/18/20 16:05 REF Bromoform [75-25-2]^ 0.22 u ug/L 1 0.22 1.0 OH17032 EPA 8260D 08/18/20 16:05 REF Bromomethane [74-83-9]A 0.14 u ug/L 1 0.14 1.0 OH17032 EPA 8260D 08/18/20 16:05 REF Carbon disulfide [75-15-O]A 1.5 u ug/L 1 1.5 5.0 OH17032 EPA 8260D 08/18/20 16:05 REF Carbon tetrachloride [56-23-5]A 0.17 u ug/L 1 0.17 1.0 OH17032 EPA 8260D 08/18/20 16:05 REF Chlorobenzene [108-90-7]A 0.17 u ug/L 1 0.17 1.0 OH17032 EPA 8260D 08/18/20 16:05 REF Chloroethane [75-00-3]A 0.23 u ug/L 1 0.23 1.0 OH17032 EPA 8260D 08/18/20 16:05 REF Chloroform [67-66-3]^ 0.18 u ug/L 1 0.18 1.0 OH17032 EPA 8260D 08/18/20 16:05 REF Chloromethane [74-87-3]A 0.13 u ug/L 1 0.13 1.0 OH17032 EPA 8260D 08/18/20 16:05 REF cis-1,2-Dichloroethene [156-59-2]^ 0.15 u ug/L 1 0.15 1.0 OH17032 EPA 8260D 08/18/20 16:05 REF cis-1,3-Dichloropropene [10061-01-5]A 0.20 u ug/L 1 0.20 1.0 OH17032 EPA 8260D 08/18/20 16:05 REF Dibromochloromethane [124-48-1]A 0.17 u ug/L 1 0.17 1.0 OH17032 EPA 8260D 08/18/20 16:05 REF Dibromomethane [74-95-3]A 0.27 u ug/L 1 0.27 1.0 OH17032 EPA 8260D 08/18/20 16:05 REF Ethylbenzene [100-41-4]A 0.13 u ug/L 1 0.13 1.0 OH17032 EPA 8260D 08/18/20 16:05 REF Iodomethane [74-88-4]^ 1.7 u ug/L 1 1.7 5.0 OH17032 EPA 8260D 08/18/20 16:05 REF Methylene chloride [75-09-2]A 0.23 u ug/L 1 0.23 1.0 OH17032 EPA 8260D 08/18/20 16:05 REF Styrene [100-42-5]A 0.11 u ug/L 1 0.11 1.0 OH17032 EPA 8260D 08/18/20 16:05 REF Tetrachloroethene [127-18-4]A 0.17 u ug/L 1 0.17 1.0 OH17032 EPA 8260D 08/18/20 16:05 REF Toluene [108-88-3]^ 0.14 u ug/L 1 0.14 1.0 OH17032 EPA 8260D 08/18/20 16:05 REF trans-1,2-Dichloroethene [156-60-5]^ 0.21 u ug/L 1 0.21 1.0 OH17032 EPA 8260D 08/18/20 16:05 REF trans-1,3-Dichloropropene [10061-02-6]^ 0.15 u ug/L 1 0.15 1.0 OH17032 EPA 8260D 08/18/20 16:05 REF trans-1,4-Dichloro-2-butene [110-57-6]A 0.70 u ug/L 1 0.70 1.0 OH17032 EPA 8260D 08/18/20 16:05 REF Trichloroethene [79-01-6]^ 0.15 u ug/L 1 0.15 1.0 OH17032 EPA 8260D 08/18/20 16:05 REF Trichlorofluoromethane [75-69-4]^ 0.24 u ug/L 1 0.24 1.0 OH17032 EPA 8260D 08/18/20 16:05 REF Vinyl acetate [108-05-4]A 0.95 u ug/L 1 0.95 5.0 OH17032 EPA 8260D 08/18/20 16:05 REF A-07 Vinyl chloride [75-01-4]^ 0.32 u ug/L 1 0.32 1.0 OH17032 EPA 8260D 08/18/20 16:05 REF Xylenes (Total) [1330-20-7]A 0.45 u ug/L 1 0.45 3.0 OH17032 EPA 8260D 08/18/20 16:05 REF FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 39 Of 68 (� �Eo www.encolabs.com ANALYTICAL RESULTS Description: 8003-French Drain Lab Sample ID:CD10012-16 Received: 08/13/20 13:12 Matrix: Ground Water Sampled:08/11/20 17:15 Work Order: CD10012 Project: Rowan County Active Landfills Sampled By:Travis Martinez/Nicolas Tej Volatile Organic Compounds by GCMS ^ - ENCO Cary certified analyte [NC 591] Surrogates Results DF Spike Lv/ % Rec % Rec Limits Batch Method Ana/vzed By Notes 4-Bromofluorobenzene 41 1 50.0 81 % 53-136 OH17032 EPA 6260D 08118120 16:05 REF Dibromofluoromethane 48 1 50.0 96 % 67-129 OH17032 EPA 6260D 0811812016:05 REF Toluene-& 41 1 50.0 82 % 59-134 OH17032 EPA 6260D 0811812016:05 REF Metals (total recoverable) by EPA 6000/7000 Series Methods ^ - ENCO Cary certified analyte [NC 591] Analyte rCAS Numberl Results Flag Units DF MDL PQL Batch Method Analyzed Ay Notes Antimony [7440-36-O]^ 0.740 U ug/L 2 0.740 2.00 OH14041 EPA 6020B 08/18/20 11:50 RLF Arsenic[7440-38-2]^ 7.60 U ug/L 1 7.60 10.0 OH14039 EPA 6010D 08/19/20 10:48 JDH Barium [7440-39-3]^ 33.0 ug/L 1 1.10 10.0 OH14039 EPA 6010D 08/19/20 10:48 JDH Beryllium [7440-41-7]^ 0.160 U ug/L 1 0.160 1.00 OH14039 EPA 6010D 08/19/20 10:48 JDH Cadmium [7440-43-9]^ 0.360 U ug/L 1 0.360 1.00 OH14039 EPA 6010D 08/19/20 10:48 JDH Chromium [7440-47-3]^ 1.40 U ug/L 1 1.40 10.0 OH14039 EPA 6010D 08/19/20 10:48 JDH Cobalt [7440-48-4]^ 1.40 U ug/L 1 1.40 10.0 OH14039 EPA 6010D 08/19/20 10:48 JDH Copper[7440-50-8]^ 3.49 J ug/L 1 1.60 10.0 OH14039 EPA 6010D 08/19/20 10:48 JDH Lead [7439-92-1]^ 3.10 U ug/L 1 3.10 10.0 OH14039 EPA 6010D 08/19/20 10:48 JDH Nickel[7440-02-O]^ 2.20 U ug/L 1 2.20 10.0 OH14039 EPA 6010D 08/19/20 10:48 JDH Selenium [7782-49-2]^ 6.20 U ug/L 1 6.20 10.0 OH14039 EPA 6010D 08/19/20 10:48 JDH Silver [7440-22-4]^ 1.90 U ug/L 1 1.90 10.0 OH14039 EPA 6010D 08/19/20 10:48 JDH Thallium [7440-28-O]^ 0.220 U ug/L 2 0.220 2.00 OH14041 EPA 6020B 08/18/20 11:50 RLF Vanadium [7440-62-2]^ 5.58 J ug/L 1 1.40 10.0 OH14039 EPA 6010D 08/19/20 10:48 JDH Zinc[7440-66-6]^ 4.40 U ug/L 1 4.40 10.0 OH14039 EPA 6010D 08/19/20 10:48 JDH FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 40 of 68 00� www.encolabs.com ANALYTICAL RESULTS Description: 8003-SW1 Lab Sample ID:CD10012-17 Received: 08/13/20 13:12 Matrix: Surface Water Sampled:08/12/20 13:35 Work Order: CD10012 Project: Rowan County Active Landfills Sampled By:Travis Martinez/Nicolas Tej Volatile Organic Compounds by GCMS ^ - ENCO Cary certfied anaiyte [NC 591] Analyte FCAS Numberl Results Flaa Units DF MDL P L Batch Method Analyzed Notes 1,1,1,2-Tetrachloroethane [630-20-6]A 0.17 u ug/L 1 0.17 1.0 OH17032 EPA 8260D 08/18/20 17:35 REF 1,1,1-Trichloroethane [71-55-6]A 0.12 u ug/L 1 0.12 1.0 OH17032 EPA 8260D 08/18/20 17:35 REF 1,1,2,2-Tetrachloroethane [79-34-5]A 0.28 u ug/L 1 0.28 1.0 OH17032 EPA 8260D 08/18/20 17:35 REF 1,1,2-Trichloroethane [79-00-5]A 0.14 u ug/L 1 0.14 1.0 OH17032 EPA 8260D 08/18/20 17:35 REF 1,1-Dichloroethane [75-34-3]^ 0.13 u ug/L 1 0.13 1.0 OH17032 EPA 8260D 08/18/20 17:35 REF 1,1-Dichloroethene [75-35-4]^ 0.21 u ug/L 1 0.21 1.0 OH17032 EPA 8260D 08/18/20 17:35 REF 1,2,3-Trichloropropane [96-18-4]^ 0.23 u ug/L 1 0.23 1.0 OH17032 EPA 8260D 08/18/20 17:35 REF 1,2-Dibromo-3-chloropropane [96-12-8]^ 0.48 u ug/L 1 0.48 1.0 OH17032 EPA 8260D 08/18/20 17:35 REF 1,2-Dibromoethane [106-93-4]^ 0.66 u ug/L 1 0.66 1.0 OH17032 EPA 8260D 08/18/20 17:35 REF 1,2-Dichlorobenzene [95-50-1]^ 0.19 u ug/L 1 0.19 1.0 OH17032 EPA 8260D 08/18/20 17:35 REF 1,2-Dichloroethane [107-06-2]^ 0.21 u ug/L 1 0.21 1.0 OH17032 EPA 8260D 08/18/20 17:35 REF 1,2-Dichloropropane [78-87-5]^ 0.10 u ug/L 1 0.10 1.0 OH17032 EPA 8260D 08/18/20 17:35 REF 1,4-Dichlorobenzene [106-46-7]^ 0.19 u ug/L 1 0.19 1.0 OH17032 EPA 8260D 08/18/20 17:35 REF 2-Butanone [78-93-3]A 1.3 u ug/L 1 1.3 5.0 OH17032 EPA 8260D 08/18/20 17:35 REF 2-Hexanone [591-78-6]A 0.88 u ug/L 1 0.88 5.0 OH17032 EPA 8260D 08/18/20 17:35 REF 4-Methyl-2-pentanone [108-10-1]^ 1.1 u ug/L 1 1.1 5.0 OH17032 EPA 8260D 08/18/20 17:35 REF Acetone [67-64-1]A 10 u ug/L 1 10 20 OH17032 EPA 8260D 08/18/20 17:35 REF Acrylonitrile [107-13-1]^ 3.5 u ug/L 1 3.5 10 OH17032 EPA 8260D 08/18/20 17:35 REF Benzene [71-43-2]A 0.15 u ug/L 1 0.15 1.0 OH17032 EPA 8260D 08/18/20 17:35 REF Bromochloromethane [74-97-5]A 0.48 u ug/L 1 0.48 1.0 OH17032 EPA 8260D 08/18/20 17:35 REF Bromodichloromethane [75-27-4]^ 0.17 u ug/L 1 0.17 1.0 OH17032 EPA 8260D 08/18/20 17:35 REF Bromoform [75-25-2]^ 0.22 u ug/L 1 0.22 1.0 OH17032 EPA 8260D 08/18/20 17:35 REF Bromomethane [74-83-9]A 0.14 u ug/L 1 0.14 1.0 OH17032 EPA 8260D 08/18/20 17:35 REF Carbon disulfide [75-15-O]A 1.5 u ug/L 1 1.5 5.0 OH17032 EPA 8260D 08/18/20 17:35 REF Carbon tetrachloride [56-23-5]A 0.17 u ug/L 1 0.17 1.0 OH17032 EPA 8260D 08/18/20 17:35 REF Chlorobenzene [108-90-7]A 0.17 u ug/L 1 0.17 1.0 OH17032 EPA 8260D 08/18/20 17:35 REF Chloroethane [75-00-3]A 0.23 u ug/L 1 0.23 1.0 OH17032 EPA 8260D 08/18/20 17:35 REF Chloroform [67-66-3]^ 0.18 u ug/L 1 0.18 1.0 OH17032 EPA 8260D 08/18/20 17:35 REF Chloromethane [74-87-3]A 0.13 u ug/L 1 0.13 1.0 OH17032 EPA 8260D 08/18/20 17:35 REF cis-1,2-Dichloroethene [156-59-2]^ 0.15 u ug/L 1 0.15 1.0 OH17032 EPA 8260D 08/18/20 17:35 REF cis-1,3-Dichloropropene [10061-01-5]A 0.20 u ug/L 1 0.20 1.0 OH17032 EPA 8260D 08/18/20 17:35 REF Dibromochloromethane [124-48-1]A 0.17 u ug/L 1 0.17 1.0 OH17032 EPA 8260D 08/18/20 17:35 REF Dibromomethane [74-95-3]A 0.27 u ug/L 1 0.27 1.0 OH17032 EPA 8260D 08/18/20 17:35 REF Ethylbenzene [100-41-4]A 0.13 u ug/L 1 0.13 1.0 OH17032 EPA 8260D 08/18/20 17:35 REF Iodomethane [74-88-4]^ 1.7 u ug/L 1 1.7 5.0 OH17032 EPA 8260D 08/18/20 17:35 REF Methylene chloride [75-09-2]A 0.23 u ug/L 1 0.23 1.0 OH17032 EPA 8260D 08/18/20 17:35 REF Styrene [100-42-5]A 0.11 u ug/L 1 0.11 1.0 OH17032 EPA 8260D 08/18/20 17:35 REF Tetrachloroethene [127-18-4]A 0.17 u ug/L 1 0.17 1.0 OH17032 EPA 8260D 08/18/20 17:35 REF Toluene [108-88-3]^ 0.14 u ug/L 1 0.14 1.0 OH17032 EPA 8260D 08/18/20 17:35 REF trans-1,2-Dichloroethene [156-60-5]^ 0.21 u ug/L 1 0.21 1.0 OH17032 EPA 8260D 08/18/20 17:35 REF trans-1,3-Dichloropropene [10061-02-6]^ 0.15 u ug/L 1 0.15 1.0 OH17032 EPA 8260D 08/18/20 17:35 REF trans-1,4-Dichloro-2-butene [110-57-6]A 0.70 u ug/L 1 0.70 1.0 OH17032 EPA 8260D 08/18/20 17:35 REF Trichloroethene [79-01-6]^ 0.15 u ug/L 1 0.15 1.0 OH17032 EPA 8260D 08/18/20 17:35 REF Trichlorofluoromethane [75-69-4]^ 0.24 u ug/L 1 0.24 1.0 OH17032 EPA 8260D 08/18/20 17:35 REF Vinyl acetate [108-05-4]A 0.95 u ug/L 1 0.95 5.0 OH17032 EPA 8260D 08/18/20 17:35 REF A-07 Vinyl chloride [75-01-4]^ 0.32 u ug/L 1 0.32 1.0 OH17032 EPA 8260D 08/18/20 17:35 REF Xylenes (Total) [1330-20-7]A 0.45 u ug/L 1 0.45 3.0 OH17032 EPA 8260D 08/18/20 17:35 REF FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 41 Of 68 (� �Eo www.encolabs.com ANALYTICAL RESULTS Description: 8003-SW1 Lab Sample ID:CD10012-17 Received: 08/13/20 13:12 Matrix: Surface Water Sampled:08/12/20 13:35 Work Order: CD10012 Project: Rowan County Active Landfills Sampled By:Travis Martinez/Nicolas Tej Volatile Organic Compounds by GCMS ^ - ENCO Cary certified analyte [NC 591] Surrogates Results DF Spike Lv/ % Rec % Rec Limits Batch Method Ana/vzed By Notes 4-Bromofluorobenzene 41 1 50.0 82 % 53-136 OH17032 EPA 6260D 081181201735 REF Dibromofluoromethane 48 1 50.0 96 % 67-129 OH17032 EPA 6260D 081181201735 REF Toluene-& 42 1 50.0 84 % 59-134 OH17032 EPA 6260D 081181201735 REF Metals (total recoverable) by EPA 6000/7000 Series Methods ^ - ENCO Cary certified analyte [NC 591] Analyte rCAS Numberl Results Flag Units DF MDL PQL Batch Method Analyzed Ay Notes Antimony [7440-36-O]^ 0.740 U ug/L 2 0.740 2.00 OH14041 EPA 6020B 08/18/20 11:54 RLF Arsenic[7440-38-2]^ 7.60 U ug/L 1 7.60 10.0 OH14039 EPA 6010D 08/19/20 10:50 JDH Barium [7440-39-3]^ 63.5 ug/L 1 1.10 10.0 OH14039 EPA 6010D 08/19/20 10:50 JDH Beryllium [7440-41-7]^ 0.160 U ug/L 1 0.160 1.00 OH14039 EPA 6010D 08/19/20 10:50 JDH Cadmium [7440-43-9]^ 0.360 U ug/L 1 0.360 1.00 OH14039 EPA 6010D 08/19/20 10:50 JDH Chromium [7440-47-3]^ 1.74 J ug/L 1 1.40 10.0 OH14039 EPA 6010D 08/19/20 10:50 JDH Cobalt [7440-48-4]^ 1.40 U ug/L 1 1.40 10.0 OH14039 EPA 6010D 08/19/20 10:50 JDH Copper[7440-50-8]^ 5.39 J ug/L 1 1.60 10.0 OH14039 EPA 6010D 08/19/20 10:50 JDH Lead [7439-92-1]^ 3.10 U ug/L 1 3.10 10.0 OH14039 EPA 6010D 08/19/20 10:50 JDH Nickel[7440-02-O]^ 2.20 U ug/L 1 2.20 10.0 OH14039 EPA 6010D 08/19/20 10:50 JDH Selenium [7782-49-2]^ 6.20 U ug/L 1 6.20 10.0 OH14039 EPA 6010D 08/19/20 10:50 JDH Silver [7440-22-4]^ 1.90 U ug/L 1 1.90 10.0 OH14039 EPA 6010D 08/19/20 10:50 JDH Thallium [7440-28-O]^ 0.220 U ug/L 2 0.220 2.00 OH14041 EPA 6020B 08/18/20 11:54 RLF Vanadium [7440-62-2]^ 9.15 J ug/L 1 1.40 10.0 OH14039 EPA 6010D 08/19/20 10:50 JDH Zinc[7440-66-6]^ 4.77 J ug/L 1 4.40 10.0 OH14039 EPA 6010D 08/19/20 10:50 JDH FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 42 of 68 00� www.encolabs.com ANALYTICAL RESULTS Description: 8003-SW2 Lab Sample ID:CD10012-18 Received: 08/13/20 13:12 Matrix: Surface Water Sampled:08/12/20 14:46 Work Order: CD10012 Project: Rowan County Active Landfills Sampled By:Travis Martinez/Nicolas Tej Volatile Organic Compounds by GCMS ^ - ENCO Cary certfied anaiyte [NC 591] Analyte FCAS Numberl Results Flaa Units DF MDL P L Batch Method Analyzed Notes 1,1,1,2-Tetrachloroethane [630-20-6]A 0.17 u ug/L 1 0.17 1.0 OH17032 EPA 8260D 08/18/20 18:04 REF 1,1,1-Trichloroethane [71-55-6]A 0.12 u ug/L 1 0.12 1.0 OH17032 EPA 8260D 08/18/20 18:04 REF 1,1,2,2-Tetrachloroethane [79-34-5]A 0.28 u ug/L 1 0.28 1.0 OH17032 EPA 8260D 08/18/20 18:04 REF 1,1,2-Trichloroethane [79-00-5]A 0.14 u ug/L 1 0.14 1.0 OH17032 EPA 8260D 08/18/20 18:04 REF 1,1-Dichloroethane [75-34-3]^ 0.13 u ug/L 1 0.13 1.0 OH17032 EPA 8260D 08/18/20 18:04 REF 1,1-Dichloroethene [75-35-4]^ 0.21 u ug/L 1 0.21 1.0 OH17032 EPA 8260D 08/18/20 18:04 REF 1,2,3-Trichloropropane [96-18-4]^ 0.23 u ug/L 1 0.23 1.0 OH17032 EPA 8260D 08/18/20 18:04 REF 1,2-Dibromo-3-chloropropane [96-12-8]^ 0.48 u ug/L 1 0.48 1.0 OH17032 EPA 8260D 08/18/20 18:04 REF 1,2-Dibromoethane [106-93-4]^ 0.66 u ug/L 1 0.66 1.0 OH17032 EPA 8260D 08/18/20 18:04 REF 1,2-Dichlorobenzene [95-50-1]^ 0.19 u ug/L 1 0.19 1.0 OH17032 EPA 8260D 08/18/20 18:04 REF 1,2-Dichloroethane [107-06-2]^ 0.21 u ug/L 1 0.21 1.0 OH17032 EPA 8260D 08/18/20 18:04 REF 1,2-Dichloropropane [78-87-5]^ 0.10 u ug/L 1 0.10 1.0 OH17032 EPA 8260D 08/18/20 18:04 REF 1,4-Dichlorobenzene [106-46-7]^ 0.19 u ug/L 1 0.19 1.0 OH17032 EPA 8260D 08/18/20 18:04 REF 2-Butanone [78-93-3]A 1.3 u ug/L 1 1.3 5.0 OH17032 EPA 8260D 08/18/20 18:04 REF 2-Hexanone [591-78-6]A 0.88 u ug/L 1 0.88 5.0 OH17032 EPA 8260D 08/18/20 18:04 REF 4-Methyl-2-pentanone [108-10-1]^ 1.1 u ug/L 1 1.1 5.0 OH17032 EPA 8260D 08/18/20 18:04 REF Acetone [67-64-1]A 10 u ug/L 1 10 20 OH17032 EPA 8260D 08/18/20 18:04 REF Acrylonitrile [107-13-1]^ 3.5 u ug/L 1 3.5 10 OH17032 EPA 8260D 08/18/20 18:04 REF Benzene [71-43-2]A 0.15 u ug/L 1 0.15 1.0 OH17032 EPA 8260D 08/18/20 18:04 REF Bromochloromethane [74-97-5]A 0.48 u ug/L 1 0.48 1.0 OH17032 EPA 8260D 08/18/20 18:04 REF Bromodichloromethane [75-27-4]^ 0.17 u ug/L 1 0.17 1.0 OH17032 EPA 8260D 08/18/20 18:04 REF Bromoform [75-25-2]^ 0.22 u ug/L 1 0.22 1.0 OH17032 EPA 8260D 08/18/20 18:04 REF Bromomethane [74-83-9]A 0.14 u ug/L 1 0.14 1.0 OH17032 EPA 8260D 08/18/20 18:04 REF Carbon disulfide [75-15-O]A 1.5 u ug/L 1 1.5 5.0 OH17032 EPA 8260D 08/18/20 18:04 REF Carbon tetrachloride [56-23-5]A 0.17 u ug/L 1 0.17 1.0 OH17032 EPA 8260D 08/18/20 18:04 REF Chlorobenzene [108-90-7]A 0.17 u ug/L 1 0.17 1.0 OH17032 EPA 8260D 08/18/20 18:04 REF Chloroethane [75-00-3]A 0.23 u ug/L 1 0.23 1.0 OH17032 EPA 8260D 08/18/20 18:04 REF Chloroform [67-66-3]^ 0.18 u ug/L 1 0.18 1.0 OH17032 EPA 8260D 08/18/20 18:04 REF Chloromethane [74-87-3]A 0.13 u ug/L 1 0.13 1.0 OH17032 EPA 8260D 08/18/20 18:04 REF cis-1,2-Dichloroethene [156-59-2]^ 0.15 u ug/L 1 0.15 1.0 OH17032 EPA 8260D 08/18/20 18:04 REF cis-1,3-Dichloropropene [10061-01-5]A 0.20 u ug/L 1 0.20 1.0 OH17032 EPA 8260D 08/18/20 18:04 REF Dibromochloromethane [124-48-1]A 0.17 u ug/L 1 0.17 1.0 OH17032 EPA 8260D 08/18/20 18:04 REF Dibromomethane [74-95-3]A 0.27 u ug/L 1 0.27 1.0 OH17032 EPA 8260D 08/18/20 18:04 REF Ethylbenzene [100-41-4]A 0.13 u ug/L 1 0.13 1.0 OH17032 EPA 8260D 08/18/20 18:04 REF Iodomethane [74-88-4]^ 1.7 u ug/L 1 1.7 5.0 OH17032 EPA 8260D 08/18/20 18:04 REF Methylene chloride [75-09-2]A 0.23 u ug/L 1 0.23 1.0 OH17032 EPA 8260D 08/18/20 18:04 REF Styrene [100-42-5]A 0.11 u ug/L 1 0.11 1.0 OH17032 EPA 8260D 08/18/20 18:04 REF Tetrachloroethene [127-18-4]A 0.17 u ug/L 1 0.17 1.0 OH17032 EPA 8260D 08/18/20 18:04 REF Toluene [108-88-3]^ 0.14 u ug/L 1 0.14 1.0 OH17032 EPA 8260D 08/18/20 18:04 REF trans-1,2-Dichloroethene [156-60-5]^ 0.21 u ug/L 1 0.21 1.0 OH17032 EPA 8260D 08/18/20 18:04 REF trans-1,3-Dichloropropene [10061-02-6]^ 0.15 u ug/L 1 0.15 1.0 OH17032 EPA 8260D 08/18/20 18:04 REF trans-1,4-Dichloro-2-butene [110-57-6]A 0.70 u ug/L 1 0.70 1.0 OH17032 EPA 8260D 08/18/20 18:04 REF Trichloroethene [79-01-6]^ 0.15 u ug/L 1 0.15 1.0 OH17032 EPA 8260D 08/18/20 18:04 REF Trichlorofluoromethane [75-69-4]^ 0.24 u ug/L 1 0.24 1.0 OH17032 EPA 8260D 08/18/20 18:04 REF Vinyl acetate [108-05-4]A 0.95 u ug/L 1 0.95 5.0 OH17032 EPA 8260D 08/18/20 18:04 REF A-07 Vinyl chloride [75-01-4]^ 0.32 u ug/L 1 0.32 1.0 OH17032 EPA 8260D 08/18/20 18:04 REF Xylenes (Total) [1330-20-7]A 0.45 u ug/L 1 0.45 3.0 OH17032 EPA 8260D 08/18/20 18:04 REF FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 43 Of 68 (� �Eo www.encolabs.com ANALYTICAL RESULTS Description: 8003-SW2 Lab Sample ID:CD10012-18 Received: 08/13/20 13:12 Matrix: Surface Water Sampled:08/12/20 14:46 Work Order: CD10012 Project: Rowan County Active Landfills Sampled By:Travis Martinez/Nicolas Tej Volatile Organic Compounds by GCMS ^ - ENCO Cary certified analyte [NC 591] Surrogates Results DF Spike Lv/ % Rec % Rec Limits Batch Method Ana/vzed By Notes 4-Bromofluorobenzene 40 1 50.0 80 % 53-136 OH17032 EPA 6260D 08118120 18:04 REF Dibromofluoromethane 49 1 50.0 97 % 67-129 OH17032 EPA 6260D 0811812016:04 REF Toluene-& 41 1 50.0 83 % 59-134 OH17032 EPA 6260D 0811812018:04 REF Metals (total recoverable) by EPA 6000/7000 Series Methods ^ - ENCO Cary certified analyte [NC 591] Analyte rCAS Numberl Results Flag Units DF MDL PQL Batch Method Analyzed Ay Notes Antimony [7440-36-O]^ 0.740 U ug/L 2 0.740 2.00 OH14041 EPA 6020B 08/18/20 11:58 RLF Arsenic[7440-38-2]^ 7.60 U ug/L 1 7.60 10.0 OH14039 EPA 6010D 08/19/20 10:53 JDH Barium [7440-39-3]^ 61.6 ug/L 1 1.10 10.0 OH14039 EPA 6010D 08/19/20 10:53 JDH Beryllium [7440-41-7]^ 0.160 U ug/L 1 0.160 1.00 OH14039 EPA 6010D 08/19/20 10:53 JDH Cadmium [7440-43-9]^ 0.360 U ug/L 1 0.360 1.00 OH14039 EPA 6010D 08/19/20 10:53 JDH Chromium [7440-47-3]^ 1.40 U ug/L 1 1.40 10.0 OH14039 EPA 6010D 08/19/20 10:53 JDH Cobalt [7440-48-4]^ 1.40 U ug/L 1 1.40 10.0 OH14039 EPA 6010D 08/19/20 10:53 JDH Copper[7440-50-8]^ 5.21 J ug/L 1 1.60 10.0 OH14039 EPA 6010D 08/19/20 10:53 JDH Lead [7439-92-1]^ 3.10 U ug/L 1 3.10 10.0 OH14039 EPA 6010D 08/19/20 10:53 JDH Nickel[7440-02-O]^ 2.20 U ug/L 1 2.20 10.0 OH14039 EPA 6010D 08/19/20 10:53 JDH Selenium [7782-49-2]^ 6.20 U ug/L 1 6.20 10.0 OH14039 EPA 6010D 08/19/20 10:53 JDH Silver [7440-22-4]^ 1.90 U ug/L 1 1.90 10.0 OH14039 EPA 6010D 08/19/20 10:53 JDH Thallium [7440-28-O]^ 0.220 U ug/L 2 0.220 2.00 OH14041 EPA 6020B 08/18/20 11:58 RLF Vanadium [7440-62-2]^ 7.21 J ug/L 1 1.40 10.0 OH14039 EPA 6010D 08/19/20 10:53 JDH Zinc[7440-66-6]^ 4.40 U ug/L 1 4.40 10.0 OH14039 EPA 6010D 08/19/20 10:53 JDH FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 44 of 68 00� www.encolabs.com ANALYTICAL RESULTS Description: 8003-SW4 Lab Sample ID:CD10012-20 Received: 08/13/20 13:12 Matrix: Surface Water Sampled:08/12/20 10:00 Work Order: CD10012 Project: Rowan County Active Landfills Sampled By:Travis Martinez/Nicolas Tej Volatile Organic Compounds by GCMS ^ - ENCO Cary certfied anaiyte [NC 591] Analyte FCAS Numberl Results Flaa Units DF MDL P L Batch Method Analyzed Notes 1,1,1,2-Tetrachloroethane [630-20-6]A 0.17 u ug/L 1 0.17 1.0 OH18019 EPA 8260D 08/18/20 23:32 REF 1,1,1-Trichloroethane [71-55-6]A 0.12 u ug/L 1 0.12 1.0 OH18019 EPA 8260D 08/18/20 23:32 REF 1,1,2,2-Tetrachloroethane [79-34-5]A 0.28 u ug/L 1 0.28 1.0 OH18019 EPA 8260D 08/18/20 23:32 REF 1,1,2-Trichloroethane [79-00-5]A 0.14 u ug/L 1 0.14 1.0 OH18019 EPA 8260D 08/18/20 23:32 REF 1,1-Dichloroethane [75-34-3]^ 0.13 u ug/L 1 0.13 1.0 OH18019 EPA 8260D 08/18/20 23:32 REF 1,1-Dichloroethene [75-35-4]^ 0.21 u ug/L 1 0.21 1.0 OH18019 EPA 8260D 08/18/20 23:32 REF 1,2,3-Trichloropropane [96-18-4]^ 0.23 u ug/L 1 0.23 1.0 OH18019 EPA 8260D 08/18/20 23:32 REF 1,2-Dibromo-3-chloropropane [96-12-8]^ 0.48 u ug/L 1 0.48 1.0 OH18019 EPA 8260D 08/18/20 23:32 REF 1,2-Dibromoethane [106-93-4]^ 0.66 u ug/L 1 0.66 1.0 OH18019 EPA 8260D 08/18/20 23:32 REF 1,2-Dichlorobenzene [95-50-1]^ 0.19 u ug/L 1 0.19 1.0 OH18019 EPA 8260D 08/18/20 23:32 REF 1,2-Dichloroethane [107-06-2]^ 0.21 u ug/L 1 0.21 1.0 OH18019 EPA 8260D 08/18/20 23:32 REF 1,2-Dichloropropane [78-87-5]^ 0.10 u ug/L 1 0.10 1.0 OH18019 EPA 8260D 08/18/20 23:32 REF 1,4-Dichlorobenzene [106-46-7]^ 0.19 u ug/L 1 0.19 1.0 OH18019 EPA 8260D 08/18/20 23:32 REF 2-Butanone [78-93-3]A 1.3 u ug/L 1 1.3 5.0 OH18019 EPA 8260D 08/18/20 23:32 REF 2-Hexanone [591-78-6]A 0.88 u ug/L 1 0.88 5.0 OH18019 EPA 8260D 08/18/20 23:32 REF 4-Methyl-2-pentanone [108-10-1]^ 1.1 u ug/L 1 1.1 5.0 OH18019 EPA 8260D 08/18/20 23:32 REF Acetone [67-64-1]A 10 u ug/L 1 10 20 OH18019 EPA 8260D 08/18/20 23:32 REF Acrylonitrile [107-13-1]^ 3.5 u ug/L 1 3.5 10 OH18019 EPA 8260D 08/18/20 23:32 REF Benzene [71-43-2]A 0.15 u ug/L 1 0.15 1.0 OH18019 EPA 8260D 08/18/20 23:32 REF Bromochloromethane [74-97-5]A 0.48 u ug/L 1 0.48 1.0 OH18019 EPA 8260D 08/18/20 23:32 REF Bromodichloromethane [75-27-4]^ 0.17 u ug/L 1 0.17 1.0 OH18019 EPA 8260D 08/18/20 23:32 REF Bromoform [75-25-2]^ 0.22 u ug/L 1 0.22 1.0 OH18019 EPA 8260D 08/18/20 23:32 REF Bromomethane [74-83-9]A 0.14 u ug/L 1 0.14 1.0 OH18019 EPA 8260D 08/18/20 23:32 REF Carbon disulfide [75-15-O]A 1.5 u ug/L 1 1.5 5.0 OH18019 EPA 8260D 08/18/20 23:32 REF Carbon tetrachloride [56-23-5]A 0.17 u ug/L 1 0.17 1.0 OH18019 EPA 8260D 08/18/20 23:32 REF Chlorobenzene [108-90-7]A 0.17 u ug/L 1 0.17 1.0 OH18019 EPA 8260D 08/18/20 23:32 REF Chloroethane [75-00-3]A 0.23 u ug/L 1 0.23 1.0 OH18019 EPA 8260D 08/18/20 23:32 REF Chloroform [67-66-3]^ 0.18 u ug/L 1 0.18 1.0 OH18019 EPA 8260D 08/18/20 23:32 REF Chloromethane [74-87-3]A 0.13 u ug/L 1 0.13 1.0 OH18019 EPA 8260D 08/18/20 23:32 REF cis-1,2-Dichloroethene [156-59-2]^ 0.15 u ug/L 1 0.15 1.0 OH18019 EPA 8260D 08/18/20 23:32 REF cis-1,3-Dichloropropene [10061-01-5]A 0.20 u ug/L 1 0.20 1.0 OH18019 EPA 8260D 08/18/20 23:32 REF Dibromochloromethane [124-48-1]A 0.17 u ug/L 1 0.17 1.0 OH18019 EPA 8260D 08/18/20 23:32 REF Dibromomethane [74-95-3]A 0.27 u ug/L 1 0.27 1.0 OH18019 EPA 8260D 08/18/20 23:32 REF Ethylbenzene [100-41-4]A 0.13 u ug/L 1 0.13 1.0 OH18019 EPA 8260D 08/18/20 23:32 REF Iodomethane [74-88-4]^ 1.7 u ug/L 1 1.7 5.0 OH18019 EPA 8260D 08/18/20 23:32 REF Methylene chloride [75-09-2]A 0.23 u ug/L 1 0.23 1.0 OH18019 EPA 8260D 08/18/20 23:32 REF Styrene [100-42-5]A 0.11 u ug/L 1 0.11 1.0 OH18019 EPA 8260D 08/18/20 23:32 REF Tetrachloroethene [127-18-4]A 0.17 u ug/L 1 0.17 1.0 OH18019 EPA 8260D 08/18/20 23:32 REF Toluene [108-88-3]^ 0.14 u ug/L 1 0.14 1.0 OH18019 EPA 8260D 08/18/20 23:32 REF trans-1,2-Dichloroethene [156-60-5]^ 0.21 u ug/L 1 0.21 1.0 OH18019 EPA 8260D 08/18/20 23:32 REF trans-1,3-Dichloropropene [10061-02-6]^ 0.15 u ug/L 1 0.15 1.0 OH18019 EPA 8260D 08/18/20 23:32 REF trans-1,4-Dichloro-2-butene [110-57-6]A 0.70 u ug/L 1 0.70 1.0 OH18019 EPA 8260D 08/18/20 23:32 REF Trichloroethene [79-01-6]^ 0.15 u ug/L 1 0.15 1.0 OH18019 EPA 8260D 08/18/20 23:32 REF Trichlorofluoromethane [75-69-4]^ 0.24 u ug/L 1 0.24 1.0 OH18019 EPA 8260D 08/18/20 23:32 REF Vinyl acetate [108-05-4]A 0.95 u ug/L 1 0.95 5.0 OH18019 EPA 8260D 08/18/20 23:32 REF A-07 Vinyl chloride [75-01-4]^ 0.32 u ug/L 1 0.32 1.0 OH18019 EPA 8260D 08/18/20 23:32 REF Xylenes (Total) [1330-20-7]A 0.45 u ug/L 1 0.45 3.0 OH18019 EPA 8260D 08/18/20 23:32 REF FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 45 Of 68 (� �Eo www.encolabs.com ANALYTICAL RESULTS Description: 8003-SW4 Lab Sample ID:CD10012-20 Received: 08/13/20 13:12 Matrix: Surface Water Sampled:08/12/20 10:00 Work Order: CD10012 Project: Rowan County Active Landfills Sampled By:Travis Martinez/Nicolas Tej Volatile Organic Compounds by GCMS ^ - ENCO Cary certified analyte [NC 591] Surrogates Results DF Spike Lv/ % Rec % Rec Limits Batch Method Ana/vzed By Notes 4-Bromofluorobenzene 41 1 50.0 82 % 53-136 OH16019 EPA 6260D 08118120 23:32 REF Dibromofluoromethane 45 1 50.0 91 % 67-129 OH16019 EPA 6260D 08118120 23:32 REF Toluene-& 42 1 50.0 83 % 59-134 OH16019 EPA 6260D 08118120 23:32 REF Metals (total recoverable) by EPA 6000/7000 Series Methods ^ - ENCO Cary certified analyte [NC 591] Analyte rCAS Numberl Results Flag Units DF MDL PQL Batch Method Analyzed Ay Notes Antimony [7440-36-O]^ 0.740 U ug/L 2 0.740 2.00 OH14041 EPA 6020B 08/18/20 12:03 RLF Arsenic[7440-38-2]^ 7.60 U ug/L 1 7.60 10.0 OH14039 EPA 6010D 08/19/20 10:55 JDH Barium [7440-39-3]^ 75.7 ug/L 1 1.10 10.0 OH14039 EPA 6010D 08/19/20 10:55 JDH Beryllium [7440-41-7]^ 0.160 U ug/L 1 0.160 1.00 OH14039 EPA 6010D 08/19/20 10:55 JDH Cadmium [7440-43-9]^ 0.360 U ug/L 1 0.360 1.00 OH14039 EPA 6010D 08/19/20 10:55 JDH Chromium [7440-47-3]^ 1.40 U ug/L 1 1.40 10.0 OH14039 EPA 6010D 08/19/20 10:55 JDH Cobalt [7440-48-4]^ 1.40 U ug/L 1 1.40 10.0 OH14039 EPA 6010D 08/19/20 10:55 JDH Copper[7440-50-8]^ 1.60 U ug/L 1 1.60 10.0 OH14039 EPA 6010D 08/19/20 10:55 JDH Lead [7439-92-1]^ 3.10 U ug/L 1 3.10 10.0 OH14039 EPA 6010D 08/19/20 10:55 JDH Nickel[7440-02-O]^ 2.20 U ug/L 1 2.20 10.0 OH14039 EPA 6010D 08/19/20 10:55 JDH Selenium [7782-49-2]^ 6.20 U ug/L 1 6.20 10.0 OH14039 EPA 6010D 08/19/20 10:55 JDH Silver [7440-22-4]^ 1.90 U ug/L 1 1.90 10.0 OH14039 EPA 6010D 08/19/20 10:55 JDH Thallium [7440-28-O]^ 0.220 U ug/L 2 0.220 2.00 OH14041 EPA 6020B 08/18/20 12:03 RLF Vanadium [7440-62-2]^ 1.42 J ug/L 1 1.40 10.0 OH14039 EPA 6010D 08/19/20 10:55 JDH Zinc[7440-66-6]^ 4.40 U ug/L 1 4.40 10.0 OH14039 EPA 6010D 08/19/20 10:55 JDH FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 46 of 68 0Nk"q09 www.encolabs.com ANALYTICAL RESULTS Description: 8003-Field Blank Lab Sample ID:CD10012-21 Received: 08/13/20 13:12 Matrix: Water Sampled:08/12/20 14:30 Work Order: CD10012 Project: Rowan County Active Landfills Sampled By:Travis Martinez/Nicolas Tej Volatile Organic Compounds by GCMS ^ - ENCO Cary certfied anaiyte [NC 591] Analyte ICAS Numberl Results Flaa Units DF MDL P L Batch Method Analyzed Notes 1,1,1,2-Tetrachloroethane [630-20-6]A 0.17 u ug/L 1 0.17 1.0 OH18019 EPA 8260D 08/19/20 00:02 REF 1,1,1-Trichloroethane [71-55-6]A 0.12 u ug/L 1 0.12 1.0 OH18019 EPA 8260D 08/19/20 00:02 REF 1,1,2,2-Tetrachloroethane [79-34-5]A 0.28 u ug/L 1 0.28 1.0 OH18019 EPA 8260D 08/19/20 00:02 REF 1,1,2-Trichloroethane [79-00-5]A 0.14 u ug/L 1 0.14 1.0 OH18019 EPA 8260D 08/19/20 00:02 REF 1,1-Dichloroethane [75-34-3]A 0.13 u ug/L 1 0.13 1.0 OH18019 EPA 8260D 08/19/20 00:02 REF 1,1-Dichloroethene [75-35-4]A 0.21 u ug/L 1 0.21 1.0 OH18019 EPA 8260D 08/19/20 00:02 REF 1,2,3-Trichloropropane [96-18-4]A 0.23 u ug/L 1 0.23 1.0 OH18019 EPA 8260D 08/19/20 00:02 REF 1,2-Dibromo-3-chloropropane [96-12-8]A 0.48 u ug/L 1 0.48 1.0 OH18019 EPA 8260D 08/19/20 00:02 REF 1,2-Dibromoethane [106-93-4]A 0.66 u ug/L 1 0.66 1.0 OH18019 EPA 8260D 08/19/20 00:02 REF 1,2-Dichlorobenzene [95-50-1]A 0.19 u ug/L 1 0.19 1.0 OH18019 EPA 8260D 08/19/20 00:02 REF 1,2-Dichloroethane [107-06-2]A 0.21 u ug/L 1 0.21 1.0 OH18019 EPA 8260D 08/19/20 00:02 REF 1,2-Dichloropropane [78-87-5]A 0.10 u ug/L 1 0.10 1.0 OH18019 EPA 8260D 08/19/20 00:02 REF 1,4-Dichlorobenzene [106-46-7]A 0.19 u ug/L 1 0.19 1.0 OH18019 EPA 8260D 08/19/20 00:02 REF 2-Butanone [78-93-3]A 1.3 u ug/L 1 1.3 5.0 OH18019 EPA 8260D 08/19/20 00:02 REF 2-Hexanone [591-78-6]A 0.88 u ug/L 1 0.88 5.0 OH18019 EPA 8260D 08/19/20 00:02 REF 4-Methyl-2-pentanone [108-10-1]A 1.1 u ug/L 1 1.1 5.0 OH18019 EPA 8260D 08/19/20 00:02 REF Acetone [67-64-1]A 10 u ug/L 1 10 20 OH18019 EPA 8260D 08/19/20 00:02 REF Acrylonitrile [107-13-1]A 3.5 u ug/L 1 3.5 10 OH18019 EPA 8260D 08/19/20 00:02 REF Benzene [71-43-2]A 0.15 u ug/L 1 0.15 1.0 OH18019 EPA 8260D 08/19/20 00:02 REF Bromochloromethane [74-97-5]A 0.48 u ug/L 1 0.48 1.0 OH18019 EPA 8260D 08/19/20 00:02 REF Bromodichloromethane [75-27-4]A 0.17 u ug/L 1 0.17 1.0 OH18019 EPA 8260D 08/19/20 00:02 REF Bromoform [75-25-2]A 0.22 u ug/L 1 0.22 1.0 OH18019 EPA 8260D 08/19/20 00:02 REF Bromomethane [74-83-9]A 0.14 u ug/L 1 0.14 1.0 OH18019 EPA 8260D 08/19/20 00:02 REF Carbon disulfide [75-15-O]A 1.5 u ug/L 1 1.5 5.0 OH18019 EPA 8260D 08/19/20 00:02 REF Carbon tetrachloride [56-23-5]A 0.17 u ug/L 1 0.17 1.0 OH18019 EPA 8260D 08/19/20 00:02 REF Chlorobenzene [108-90-7]A 0.17 u ug/L 1 0.17 1.0 OH18019 EPA 8260D 08/19/20 00:02 REF Chloroethane [75-00-3]A 0.23 u ug/L 1 0.23 1.0 OH18019 EPA 8260D 08/19/20 00:02 REF Chloroform [67-66-3]A 0.18 u ug/L 1 0.18 1.0 OH18019 EPA 8260D 08/19/20 00:02 REF Chloromethane [74-87-3]A 0.13 u ug/L 1 0.13 1.0 OH18019 EPA 8260D 08/19/20 00:02 REF cis-1,2-Dichloroethene [156-59-2]A 0.15 u ug/L 1 0.15 1.0 OH18019 EPA 8260D 08/19/20 00:02 REF cis-1,3-Dichloropropene [10061-01-5]A 0.20 u ug/L 1 0.20 1.0 OH18019 EPA 8260D 08/19/20 00:02 REF Dibromochloromethane [124-48-1]A 0.17 u ug/L 1 0.17 1.0 OH18019 EPA 8260D 08/19/20 00:02 REF Dibromomethane [74-95-3]A 0.27 u ug/L 1 0.27 1.0 OH18019 EPA 8260D 08/19/20 00:02 REF Ethylbenzene [100-41-4]A 0.13 u ug/L 1 0.13 1.0 OH18019 EPA 8260D 08/19/20 00:02 REF Iodomethane [74-88-4]A 1.7 u ug/L 1 1.7 5.0 OH18019 EPA 8260D 08/19/20 00:02 REF Methylene chloride [75-09-2]A 0.23 u ug/L 1 0.23 1.0 OH18019 EPA 8260D 08/19/20 00:02 REF Styrene [100-42-5]A 0.11 u ug/L 1 0.11 1.0 OH18019 EPA 8260D 08/19/20 00:02 REF Tetrachloroethene [127-18-4]A 0.17 u ug/L 1 0.17 1.0 OH18019 EPA 8260D 08/19/20 00:02 REF Tetrahydrofuran [109-99-9]A 0.53 u ug/L 1 0.53 1.0 OH18019 EPA 8260D 08/19/20 00:02 REF Toluene [108-88-3]A 0.14 u ug/L 1 0.14 1.0 OH18019 EPA 8260D 08/19/20 00:02 REF trans-1,2-Dichloroethene [156-60-5]A 0.21 u ug/L 1 0.21 1.0 OH18019 EPA 8260D 08/19/20 00:02 REF trans-1,3-Dichloropropene [10061-02-6]A 0.15 u ug/L 1 0.15 1.0 OH18019 EPA 8260D 08/19/20 00:02 REF trans-1,4-Dichloro-2-butene [110-57-6]A 0.70 u ug/L 1 0.70 1.0 OH18019 EPA 8260D 08/19/20 00:02 REF Trichloroethene [79-01-6]A 0.15 u ug/L 1 0.15 1.0 OH18019 EPA 8260D 08/19/20 00:02 REF Trichlorofluoromethane [75-69-4]A 0.24 u ug/L 1 0.24 1.0 OH18019 EPA 8260D 08/19/20 00:02 REF Vinyl acetate [108-05-4]A 0.95 u ug/L 1 0.95 5.0 OH18019 EPA 8260D 08/19/20 00:02 REF A-07 Vinyl chloride [75-01-4]A 0.32 Ll ug/L 1 0.32 1.0 OH18019 EPA 8260D 08/19/20 00:02 REF FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 47 Of 68 (� �Eo www.encolabs.com ANALYTICAL RESULTS Description: 8003-Field Blank Lab Sample ID:CD10012-21 Received: 08/13/20 13:12 Matrix: Water Sampled:08/12/20 14:30 Work Order: CD10012 Project: Rowan County Active Landfills Sampled By:Travis Martinez/Nicolas Tej Volatile Organic Compounds by GCMS ^ - ENCO Cary certified analyte [NC 591] Analyte rCAS Numberl Results Flaa Units DF MDL POLL Batch Method Analyzed Ay Notes Xylenes (Total) [1330-20-7]^ 0.45 U ug/L 1 0.45 3.0 OH18019 EPA 8260D 08/19/20 00:02 REF Surrogates Results DF Spike Lv/ % Rec % Rec Limits Batch Method Ana/vzed By Notes 4-Bromofluorobenzene 41 1 50.0 82 % 53-136 OH16019 EPA 6260D 08119120 00:02 REF Dibromofluoromethane 45 1 50.0 90 % 67-129 OH16019 EPA 6260D 08119120 00:02 REF Toluene-& 41 1 50.0 83 % 59-134 OH16019 EPA 6260D 08119120 00:02 REF Metals (total recoverable) by EPA 6000/7000 Series Methods ^ - ENCO Cary certified analyte [NC 591] Analyte rCAS Numberl Results Flag Units DF MDL P L Batch Method Analyzed Ay Notes Antimony[7440-36-0]^ 0.740 U ug/L 2 0.740 2.00 OH15002 EPA 6020B 08/21/20 06:01 RLF Arsenic[7440-38-2]^ 7.60 U ug/L 1 7.60 10.0 OH14039 EPA 6010D 08/19/20 10:57 JDH Barium [7440-39-3]^ 1.10 U ug/L 1 1.10 10.0 OH14039 EPA 6010D 08/19/20 10:57 JDH Beryllium [7440-41-7]^ 0.160 U ug/L 1 0.160 1.00 OH14039 EPA 6010D 08/19/20 10:57 JDH Cadmium [7440-43-9]^ 0.360 U ug/L 1 0.360 1.00 OH14039 EPA 6010D 08/19/20 10:57 JDH Chromium [7440-47-3]^ 1.40 U ug/L 1 1.40 10.0 OH14039 EPA 6010D 08/19/20 10:57 JDH Cobalt [7440-48-4]^ 1.40 U ug/L 1 1.40 10.0 OH14039 EPA 6010D 08/19/20 10:57 JDH Copper[7440-50-S]^ 1.95 J ug/L 1 1.60 10.0 OH14039 EPA 6010D 08/19/20 10:57 JDH Lead [7439-92-1]^ 3.10 U ug/L 1 3.10 10.0 OH14039 EPA 6010D 08/19/20 10:57 JDH Nickel[7440-02-O]^ 2.20 U ug/L 1 2.20 10.0 OH14039 EPA 6010D 08/19/20 10:57 JDH Selenium [7782-49-2]^ 6.20 U ug/L 1 6.20 10.0 OH14039 EPA 6010D 08/19/20 10:57 JDH Silver[7440-22-4]^ 2.17 J ug/L 1 1.90 10.0 OH14039 EPA 6010D 08/19/20 10:57 JDH Thallium [7440-28-O]^ 0.220 U ug/L 2 0.220 2.00 OH15002 EPA 6020B 08/21/20 06:01 RLF Vanadium [7440-62-2]^ 1.40 U ug/L 1 1.40 10.0 OH14039 EPA 6010D 08/19/20 10:57 JDH Zinc[7440-66-6]^ 4.40 U ug/L 1 4.40 10.0 OH14039 EPA 6010D 08/19/20 10:57 JDH Volatile Organic Compounds by GCMS SIM Isotope Dilution ^ - ENCO Orlando certified analyte [NC 424] Analyte rCAS Numberl Results Flag Units DF MDL PQL Batch Method Analyzed Ay Notes 1,4-Dioxane [123-91-1]^ 0.80 U ug/L 1 0.80 2.0 OH17037 EPA 8260D 08/17/20 15:15 KKW Surrogates Results DF Spike Lv/ % Rec % Rec Limits Batch Method Analyzed ffly Notes Toluene-d8 5.4 1 5.00 107 % 75-125 OH17037 EPA 8260D 0811712015:15 KKW FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 48 of 68 00� www.encolabs.com ANALYTICAL RESULTS Description: 8003-Trip Blank Lab Sample ID:CD10012-22 Received: 08/13/20 13:12 Matrix: Water Sampled:08/10/20 13:39 Work Order: CD10012 Project: Rowan County Active Landfills Sampled By: ENCO Volatile Organic Compounds by GCMS ^ - ENCO Cary certfied anaiyte [NC 591] Analyte FCAS Numberl Results Flaa Units DF MDL P L Batch Method Analyzed Notes 1,1,1,2-Tetrachloroethane [630-20-6]A 0.17 u ug/L 1 0.17 1.0 OH17031 EPA 8260D 08/18/20 02:10 REF 1,1,1-Trichloroethane [71-55-6]A 0.12 u ug/L 1 0.12 1.0 OH17031 EPA 8260D 08/18/20 02:10 REF 1,1,2,2-Tetrachloroethane [79-34-5]A 0.28 u ug/L 1 0.28 1.0 OH17031 EPA 8260D 08/18/20 02:10 REF 1,1,2-Trichloroethane [79-00-5]A 0.14 u ug/L 1 0.14 1.0 OH17031 EPA 8260D 08/18/20 02:10 REF 1,1-Dichloroethane [75-34-3]A 0.13 u ug/L 1 0.13 1.0 OH17031 EPA 8260D 08/18/20 02:10 REF 1,1-Dichloroethene [75-35-4]A 0.21 u ug/L 1 0.21 1.0 OH17031 EPA 8260D 08/18/20 02:10 REF 1,2,3-Trichloropropane [96-18-4]A 0.23 u ug/L 1 0.23 1.0 OH17031 EPA 8260D 08/18/20 02:10 REF 1,2-Dibromo-3-chloropropane [96-12-8]A 0.48 u ug/L 1 0.48 1.0 OH17031 EPA 8260D 08/18/20 02:10 REF 1,2-Dibromoethane [106-93-4]A 0.66 u ug/L 1 0.66 1.0 OH17031 EPA 8260D 08/18/20 02:10 REF 1,2-Dichlorobenzene [95-50-1]A 0.19 u ug/L 1 0.19 1.0 OH17031 EPA 8260D 08/18/20 02:10 REF 1,2-Dichloroethane [107-06-2]A 0.21 u ug/L 1 0.21 1.0 OH17031 EPA 8260D 08/18/20 02:10 REF 1,2-Dichloropropane [78-87-5]A 0.10 u ug/L 1 0.10 1.0 OH17031 EPA 8260D 08/18/20 02:10 REF 1,4-Dichlorobenzene [106-46-7]A 0.19 u ug/L 1 0.19 1.0 OH17031 EPA 8260D 08/18/20 02:10 REF 2-Butanone [78-93-3]A 1.3 u ug/L 1 1.3 5.0 OH17031 EPA 8260D 08/18/20 02:10 REF 2-Hexanone [591-78-6]A 0.88 u ug/L 1 0.88 5.0 OH17031 EPA 8260D 08/18/20 02:10 REF 4-Methyl-2-pentanone [108-10-1]A 1.1 u ug/L 1 1.1 5.0 OH17031 EPA 8260D 08/18/20 02:10 REF Acetone [67-64-1]A 10 u ug/L 1 10 20 OH17031 EPA 8260D 08/18/20 02:10 REF Acrylonitrile [107-13-1]A 3.5 u ug/L 1 3.5 10 OH17031 EPA 8260D 08/18/20 02:10 REF Benzene [71-43-2]A 0.15 u ug/L 1 0.15 1.0 OH17031 EPA 8260D 08/18/20 02:10 REF Bromochloromethane [74-97-5]A 0.48 u ug/L 1 0.48 1.0 OH17031 EPA 8260D 08/18/20 02:10 REF Bromodichloromethane [75-27-4]A 0.17 u ug/L 1 0.17 1.0 OH17031 EPA 8260D 08/18/20 02:10 REF Bromoform [75-25-2]A 0.22 u ug/L 1 0.22 1.0 OH17031 EPA 8260D 08/18/20 02:10 REF Bromomethane [74-83-9]A 0.14 u ug/L 1 0.14 1.0 OH17031 EPA 8260D 08/18/20 02:10 REF Carbon disulfide [75-15-O]A 1.5 u ug/L 1 1.5 5.0 OH17031 EPA 8260D 08/18/20 02:10 REF Carbon tetrachloride [56-23-5]A 0.17 u ug/L 1 0.17 1.0 OH17031 EPA 8260D 08/18/20 02:10 REF Chlorobenzene [108-90-7]A 0.17 u ug/L 1 0.17 1.0 OH17031 EPA 8260D 08/18/20 02:10 REF Chloroethane [75-00-3]A 0.23 u ug/L 1 0.23 1.0 OH17031 EPA 8260D 08/18/20 02:10 REF Chloroform [67-66-3]A 0.18 u ug/L 1 0.18 1.0 OH17031 EPA 8260D 08/18/20 02:10 REF Chloromethane [74-87-3]A 0.13 u ug/L 1 0.13 1.0 OH17031 EPA 8260D 08/18/20 02:10 REF cis-1,2-Dichloroethene [156-59-2]A 0.15 u ug/L 1 0.15 1.0 OH17031 EPA 8260D 08/18/20 02:10 REF cis-1,3-Dichloropropene [10061-01-5]A 0.20 u ug/L 1 0.20 1.0 OH17031 EPA 8260D 08/18/20 02:10 REF Dibromochloromethane [124-48-1]A 0.17 u ug/L 1 0.17 1.0 OH17031 EPA 8260D 08/18/20 02:10 REF Dibromomethane [74-95-3]A 0.27 u ug/L 1 0.27 1.0 OH17031 EPA 8260D 08/18/20 02:10 REF Ethylbenzene [100-41-4]A 0.13 u ug/L 1 0.13 1.0 OH17031 EPA 8260D 08/18/20 02:10 REF Iodomethane [74-88-4]A 1.7 u ug/L 1 1.7 5.0 OH17031 EPA 8260D 08/18/20 02:10 REF Methylene chloride [75-09-2]A 1.2 ug/L 1 0.23 1.0 OH17031 EPA 8260D 08/18/20 02:10 REF 0-01 Styrene [100-42-5]A 0.11 u ug/L 1 0.11 1.0 OH17031 EPA 8260D 08/18/20 02:10 REF Tetrachloroethene [127-18-4]A 0.17 u ug/L 1 0.17 1.0 OH17031 EPA 8260D 08/18/20 02:10 REF Tetrahydrofuran [109-99-9]A 0.53 u ug/L 1 0.53 1.0 OH17031 EPA 8260D 08/18/20 02:10 REF Toluene [108-88-3]A 0.14 u ug/L 1 0.14 1.0 OH17031 EPA 8260D 08/18/20 02:10 REF trans-1,2-Dichloroethene [156-60-5]A 0.21 u ug/L 1 0.21 1.0 OH17031 EPA 8260D 08/18/20 02:10 REF trans-1,3-Dichloropropene [10061-02-6]A 0.15 u ug/L 1 0.15 1.0 OH17031 EPA 8260D 08/18/20 02:10 REF trans-1,4-Dichloro-2-butene [110-57-6]A 0.70 u ug/L 1 0.70 1.0 OH17031 EPA 8260D 08/18/20 02:10 REF Trichloroethene [79-01-6]A 0.15 u ug/L 1 0.15 1.0 OH17031 EPA 8260D 08/18/20 02:10 REF Trichlorofluoromethane [75-69-4]A 0.24 u ug/L 1 0.24 1.0 OH17031 EPA 8260D 08/18/20 02:10 REF Vinyl acetate [108-05-4]A 0.95 u ug/L 1 0.95 5.0 OH17031 EPA 8260D 08/18/20 02:10 REF A-07 Vinyl chloride [75-01-4]A 0.32 u ug/L 1 0.32 1.0 OH17031 EPA 8260D 08/18/20 02:10 REF FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 49 Of 68 (� �Eo www.encolabs.com ANALYTICAL RESULTS Description: 8003-Trip Blank Lab Sample ID:CD10012-22 Received: 08/13/20 13:12 Matrix: Water Sampled:08/10/20 13:39 Work Order: CD10012 Project: Rowan County Active Landfills Sampled By: ENCO Volatile Organic Compounds by GCMS ^ - ENCO Cary certified analyte [NC 591] Analyte rCAS Numberl Results Flaa Units DF MDL POLL Batch Method Analyzed Ay Notes Xylenes (Total) [1330-20-7]^ 0.45 U ug/L 1 0.45 3.0 OH17031 EPA 8260D 08/18/20 02:10 REF Surrogates Results DF Spike Lv/ % Rec % Rec Limits Batch Method Ana/vzed By Notes 4-Bromofluorobenzene 41 1 50.0 82 % 53-136 OH17031 EPA 6260D 08118120 02:10 REF Dlbromofluoromethane 45 1 50.0 90 % 67-129 OH17031 EPA 6260D 08116120 02:10 REF Toluene-d8 41 1 50.0 82 % 59-134 OH17031 EPA 6260D 08116120 02:10 REF FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 50 Of 68 (� �Eo www.encolabs.com QUALITY CONTROL DATA Volatile Organic Compounds by GCMS - Quality Control Batch OH17O31 - EPA 5030E MS Blank (OH17031-BLKI) Prepared: 08/17/2020 13:25 Analyzed: 08/17/2020 19:44 Analvte Result Flaq POL Units 1,1,1,2-Tetrachloroethane 0.17 U 1.0 ug/L 1,1,1-Trichloroethane 0.12 U 1.0 ug/L 1,1,2,2-Tetrachloroethane 0.28 U 1.0 ug/L 1,1,2-Trichloroethane 0.14 U 1.0 ug/L 1,1-Dichloroethane 0.13 U 1.0 ug/L 1,1-Dichloroethene 0.21 U 1.0 ug/L 1,2,3-Trichloropropane 0.23 U 1.0 ug/L 1,2-Dibromo-3-chloropropane 0.48 U 1.0 ug/L 1,2-Dibromoethane 0.66 U 1.0 ug/L 1,2-Dichlorobenzene 0.19 U 1.0 ug/L 1,2-Dichloroethane 0.21 U 1.0 ug/L 1,2-Dichloropropane 0.10 U 1.0 ug/L 1,4-Dichlorobenzene 0.19 U 1.0 ug/L 2-Butanone 1.3 U 5.0 ug/L 2-Hexanone 0.88 U 5.0 ug/L 4-Methyl-2-pentanone 1.1 U 5.0 ug/L Acetone 10 U 20 ug/L Acrylonitrile 3.5 U 10 ug/L Benzene 0.15 U 1.0 ug/L Bromochloromethane 0.48 U 1.0 ug/L Bromodichloromethane 0.17 U 1.0 ug/L Bromoform 0.22 U 1.0 ug/L Bromomethane 0.14 U 1.0 ug/L Carbon disulfide 1.5 U 5.0 ug/L Carbon tetrachloride 0.17 U 1.0 ug/L Chlorobenzene 0.17 U 1.0 ug/L Chloroethane 0.23 U 1.0 ug/L Chloroform 0.18 U 1.0 ug/L Chloromethane 0.13 U 1.0 ug/L cis- 1,2-Dichloroethene 0.15 U 1.0 ug/L cis- 1,3-Dichloropropene 0.20 U 1.0 ug/L Dibromochloromethane 0.17 U 1.0 ug/L Dibromomethane 0.27 U 1.0 ug/L Ethylbenzene 0.13 U 1.0 ug/L Iodomethane 1.7 U 5.0 ug/L Methylene chloride 0.23 U 1.0 ug/L Styrene 0.11 U 1.0 ug/L Tetrachloroethene 0.17 U 1.0 ug/L Tetrahydrofuran 0.53 U 1.0 ug/L Toluene 0.14 U 1.0 ug/L trans-1,2-Dichloroethene 0.21 U 1.0 ug/L trans-1,3-Dichloropropene 0.15 U 1.0 ug/L trans-1,4-Dichloro-2-butene 0.70 U 1.0 ug/L Trichloroethene 0.15 U 1.0 ug/L Trichlorofluoromethane 0.24 U 1.0 ug/L Vinyl acetate 0.95 U 5.0 ug/L Vinyl chloride 0.32 U 1.0 ug/L Xylenes (Total) 0.45 U 3.0 ug/L Spike Source %REC Level Result %REC Limits RPD RPD Limit Notes 4-Bromofluorobenzene 40 ug/L 50.0 81 53-136 FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. Page 51 of 68 QUALITY CONTROL DATA Volatile Organic Compounds by GCMS - Quality Control Batch OH17O31 - EPA 5030E MS - Continued (� �Eo www.encolabs.com Blank (OH17031-BLKI) Continued Prepared: 08/17/2020 13:25 Analyzed: 08/17/2020 19:44 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Dibromofluoromethane 42 u91L 50.0 65 67-129 Toluene-& 40 u91L 50.0 60 59-134 LCS (OH17031-BSI) Prepared: 08/17/2020 13:25 Analyzed: 08/17/2020 17:44 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes 1,1-Dichloroethene 17 1.0 ug/L 20.0 83 75-133 Benzene 18 1.0 ug/L 20.0 92 80-134 Chlorobenzene 19 1.0 ug/L 20.0 97 80-120 Toluene 20 1.0 ug/L 20.0 98 71-120 Trichloroethene 20 1.0 ug/L 20.0 99 74-120 Matrix Spike (OH17031-MS1) Prepared: 08/17/2020 13:25 Analyzed: 08/17/2020 18:14 Source: CD10012-05 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes 1,1-Dichloroethene 18 1.0 ug/L 20.0 0.21 U 90 75-133 Benzene 18 1.0 ug/L 20.0 0.15 U 92 80-134 Chlorobenzene 20 1.0 ug/L 20.0 0.17 U 98 80-120 Toluene 19 1.0 ug/L 20.0 0.14 U 97 71-120 Trichloroethene 20 1.0 ug/L 20.0 0.15 U 102 74-120 Matrix Spike Dup (OH17031-MSD1) Prepared: 08/17/2020 13:25 Analyzed: 08/17/2020 18:44 Source: CD10012-05 Analvte 1,1-Dichloroethene Benzene Chlorobenzene Toluene Trichloroethene Batch OH17O32 - EPA 5O3O8 MS Result 17 18 19 19 20 Flaq POL 1.0 1.0 1.0 1.0 1.0 Units ug/L ug/L ug/L ug/L ug/L Spike Level 20.0 20.0 20.0 20.0 20.0 Source Result 0.21 U 0.15 U 0.17 U 0.14 U 0.15 U %REC 87 89 94 95 98 %REC Limits 75-133 80-134 80-120 71-120 74-120 RPD 4 3 3 2 4 RPD Limit Notes 20 17 16 17 22 Blank (OH17032-BLKI) Prepared: 08/17/2020 13:36 Analyzed: 08/18/2020 09:07 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes 1,1,1,2-Tetrachloroethane 0.17 U 1.0 ug/L 1,1,1-Trichloroethane 0.12 U 1.0 ug/L 1,1,2,2-Tetrachloroethane 0.28 U 1.0 ug/L 1,1,2-Trichloroethane 0.14 U 1.0 ug/L 1,1-Dichloroethane 0.13 U 1.0 ug/L 1,1-Dichloroethene 0.21 U 1.0 ug/L 1,2,3-Trichloropropane 0.23 U 1.0 ug/L 1,2-Dibromo-3-chloropropane 0.48 U 1.0 ug/L 1,2-Dibromoethane 0.66 U 1.0 ug/L 1,2-Dichlorobenzene 0.19 U 1.0 ug/L 1,2-Dichloroethane 0.21 U 1.0 ug/L 1,2-Dichloropropane 0.10 U 1.0 ug/L 1,4-Dichlorobenzene 0.19 U 1.0 ug/L FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 52 Of 68 (� �Eo www.encolabs.com QUALITY CONTROL DATA Volatile Organic Compounds by GCMS - Quality Control Batch OH17O32 - EPA 5030E MS - Continued Blank (OH17032-BLK3) Continued Prepared: 08/17/2020 13:36 Analyzed: 08/18/2020 09:07 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes 2-Butanone 1.3 U 5.0 ug/L 2-Hexanone 0.88 U 5.0 ug/L 4-Methyl-2-pentanone 1.1 U 5.0 ug/L Acetone 10 U 20 ug/L Acrylonitrile 3.5 U 10 ug/L Benzene 0.15 U 1.0 ug/L Bromochloromethane 0.48 U 1.0 ug/L Bromodichloromethane 0.17 U 1.0 ug/L Bromoform 0.22 U 1.0 ug/L Bromomethane 0.14 U 1.0 ug/L Carbon disulfide 1.5 U 5.0 ug/L Carbon tetrachloride 0.17 U 1.0 ug/L Chlorobenzene 0.17 U 1.0 ug/L Chloroethane 0.23 U 1.0 ug/L Chloroform 0.18 U 1.0 ug/L Chloromethane 0.13 U 1.0 ug/L cis- 1,2-Dichloroethene 0.15 U 1.0 ug/L cis- 1,3-Dichloropropene 0.20 U 1.0 ug/L Dibromochloromethane 0.17 U 1.0 ug/L Dibromomethane 0.27 U 1.0 ug/L Ethylbenzene 0.13 U 1.0 ug/L Iodomethane 1.7 U 5.0 ug/L Methylene chloride 0.23 U 1.0 ug/L Styrene 0.11 U 1.0 ug/L Tetrachloroethene 0.17 U 1.0 ug/L Toluene 0.14 U 1.0 ug/L trans-1,2-Dichloroethene 0.21 U 1.0 ug/L trans-1,3-Dichloropropene 0.15 U 1.0 ug/L trans-1,4-Dichloro-2-butene 0.70 U 1.0 ug/L Trichloroethene 0.15 U 1.0 ug/L Trichlorofluoromethane 0.24 U 1.0 ug/L Vinyl acetate 0.95 U 5.0 ug/L Vinyl chloride 0.32 U 1.0 ug/L Xylenes (Total) 0.45 U 3.0 ug/L 4-Bromofluorobenzene 41 u91L 50.0 62 53-136 Dibromofluoromethane 42 u91L 50.0 85 67-129 Toluene-d8 40 u91L 50.0 80 59-134 LCS (OH17032-BSI) Prepared: 08/17/2020 13:36 Analyzed: 08/18/2020 07:08 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes 1,1-Dichloroethene 17 1.0 ug/L 20.0 87 75-133 Benzene 18 1.0 ug/L 20.0 92 80-134 Chlorobenzene 19 1.0 ug/L 20.0 97 80-120 Toluene 20 1.0 ug/L 20.0 98 71-120 Trichloroethene 20 1.0 ug/L 20.0 98 74-120 FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 53 of 68 (� �Eo www.encolabs.com QUALITY CONTROL DATA Volatile Organic Compounds by GCMS - Quality Control Batch OH17O32 - EPA 5030E MS - Continued Matrix Spike (OH17032-MS1) Prepared: 08/17/2020 13:36 Analyzed: 08/18/2020 07:38 Source: CD10014-02 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes 1,1-Dichloroethene 18 1.0 ug/L 20.0 0.21 U 92 75-133 Benzene 25 1.0 ug/L 20.0 6.1 95 80-134 Chlorobenzene 20 1.0 ug/L 20.0 0.92 96 80-120 Toluene 30 1.0 ug/L 20.0 9.8 100 71-120 Trichloroethene 20 1.0 ug/L 20.0 0.15 U 100 74-120 Matrix Spike Dup (OH17032-MSD1) Prepared: 08/17/2020 13:36 Analyzed: 08/18/2020 08:07 Source: CD10014-02 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes 1,1-Dichloroethene 19 1.0 ug/L 20.0 0.21 U 96 75-133 4 20 Benzene 26 1.0 ug/L 20.0 6.1 97 80-134 1 17 Chlorobenzene 21 1.0 ug/L 20.0 0.92 99 80-120 3 16 Toluene 30 1.0 ug/L 20.0 9.8 102 71-120 1 17 Trichloroethene 21 1.0 ug/L 20.0 0.15 U 103 74-120 2 22 Batch OH18O19 - EPA 50308 MS Blank (OH18019-BLK1) Prepared: 08/18/2020 11:31 Analyzed: 08/18/2020 22:32 Analvte Result Flaq POL Units 1, 1, 1,2-Tetrachloroethane 0.17 U 1.0 ug/L 1,1,1-Trichloroethane 0.12 U 1.0 ug/L 1,1,2,2-Tetrachloroethane 0.28 U 1.0 ug/L 1,1,2-Trichloroethane 0.14 U 1.0 ug/L 1,1-Dichloroethane 0.13 U 1.0 ug/L 1,1-Dichloroethene 0.21 U 1.0 ug/L 1,2,3-Trichloropropane 0.23 U 1.0 ug/L 1,2-Dibromo-3-chloropropane 0.48 U 1.0 ug/L 1,2-Dibromoethane 0.66 U 1.0 ug/L 1,2-Dichlorobenzene 0.19 U 1.0 ug/L 1,2-Dichloroethane 0.21 U 1.0 ug/L 1,2-Dichloropropane 0.10 U 1.0 ug/L 1,4-Dichlorobenzene 0.19 U 1.0 ug/L 2-Butanone 1.3 U 5.0 ug/L 2-Hexanone 0.88 U 5.0 ug/L 4-Methyl-2-pentanone 1.1 U 5.0 ug/L Acetone 10 U 20 ug/L Acrylonitrile 3.5 U 10 ug/L Benzene 0.15 U 1.0 ug/L Bromochloromethane 0.48 U 1.0 ug/L Bromodichloromethane 0.17 U 1.0 ug/L Bromoform 0.22 U 1.0 ug/L Bromomethane 0.14 U 1.0 ug/L Carbon disulfide 1.5 U 5.0 ug/L Carbon tetrachloride 0.17 U 1.0 ug/L Chlorobenzene 0.17 U 1.0 ug/L Chloroethane 0.23 U 1.0 ug/L Chloroform 0.18 U 1.0 ug/L Chloromethane 0.13 U 1.0 ug/L Spike Source %REC RPD Level Result %REC Limits RPD Limit Notes FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 54 Of 68 QUALITY CONTROL DATA Volatile Organic Compounds by GCMS - Quality Control Batch OHI B019 - EPA 5030E MS - Continued (� �Eo www.encolabs.com Blank (OH18019-BLKI) Continued Prepared: 08/18/2020 11:31 Analyzed: 08/18/2020 22:32 Analvte Result Flaq POL Units cis- 1,2-Dichloroethene 0.15 U 1.0 ug/L cis- 1,3-Dichloropropene 0.20 U 1.0 ug/L Dibromochloromethane 0.17 U 1.0 ug/L Dibromomethane 0.27 U 1.0 ug/L Ethylbenzene 0.13 U 1.0 ug/L Iodomethane 1.7 U 5.0 ug/L Methylene chloride 0.23 U 1.0 ug/L Styrene 0.11 U 1.0 ug/L Tetrachloroethene 0.17 U 1.0 ug/L Tetrahydrofuran 0.53 U 1.0 ug/L Toluene 0.14 U 1.0 ug/L trans-1,2-Dichloroethene 0.21 U 1.0 ug/L trans-1,3-Dichloropropene 0.15 U 1.0 ug/L trans-1,4-Dichloro-2-butene 0.70 U 1.0 ug/L Trichloroethene 0.15 U 1.0 ug/L Trichlorofluoromethane 0.24 U 1.0 ug/L Vinyl acetate 0.95 U 5.0 ug/L Vinyl chloride 0.32 U 1.0 ug/L Xylenes (Total) 0.45 U 3.0 ug/L Spike Source %REC RPD Level Result %REC Limits RPD Limit Notes 4-Bromofluorobenzene 41 u91L 50.0 62 53-136 Dibromofluoromethane 44 u91L 50.0 87 67-129 Toluene-d8 41 u91L 50.0 82 59-134 LCS (OH18019-BSI) Prepared: 08/18/2020 11:31 Analyzed: 08/18/2020 20:33 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes 1,1-Dichloroethene 15 1.0 ug/L 20.0 76 75-133 Benzene 17 1.0 ug/L 20.0 86 80-134 Chlorobenzene 18 1.0 ug/L 20.0 90 80-120 Toluene 18 1.0 ug/L 20.0 88 71-120 Trichloroethene 18 1.0 ug/L 20.0 90 74-120 Matrix Spike (OH18019-MS1) Prepared: 08/18/2020 11:31 Analyzed: 08/18/2020 21:03 Source: CD12023-07 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes 1,1-Dichloroethene 19 1.0 ug/L 20.0 0.21 U 97 75-133 Benzene 23 1.0 ug/L 20.0 2.9 99 80-134 Chlorobenzene 21 1.0 ug/L 20.0 0.17 U 105 80-120 Toluene 21 1.0 ug/L 20.0 0.14 U 104 71-120 Trichloroethene 22 1.0 ug/L 20.0 0.15 U 108 74-120 Matrix Spike Dup (OH18019-MSD1) Prepared: 08/18/2020 11:31 Analyzed: 08/18/2020 21:33 Source: CD12023-07 Spike Source %REC RPD Analvte Result Flaq Q Units Level Result %REC Limits RPD Limit Notes 1,1-Dichloroethene 19 1.0 ug/L 20.0 0.21 U 93 75-133 4 20 Benzene 21 1.0 ug/L 20.0 2.9 92 80-134 7 17 Chlorobenzene 19 1.0 ug/L 20.0 0.17 U 96 80-120 8 16 Toluene 20 1.0 ug/L 20.0 0.14 U 99 71-120 5 17 FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. Page 55 Of 68 (� �Eo www.encolabs.com QUALITY CONTROL DATA Volatile Organic Compounds by GCMS - Quality Control Batch OHIBO19 - EPA 5030E MS - Continued Matrix Spike Dup (OH18019-MSD3) Continued Prepared: 08/18/2020 11:31 Analyzed: 08/18/2020 21:33 Source: CD12023-07 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Trichloroethene 20 1.0 ug/L 20.0 0.15 U 102 74-120 5 22 Metals (total recoverable) by EPA 6000/7000 Series Methods - Quality Control Batch OH14O38 - EPA 3OO5A Blank (OH14038-BLKI) Prepared: 08/14/2020 13:04 Analyzed: 08/18/2020 10:14 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Arsenic 7.60 U 10.0 ug/L Barium 1.10 U 10.0 ug/L Beryllium 0.160 U 1.00 ug/L Cadmium 0.360 U 1.00 ug/L Chromium 1.40 U 10.0 ug/L Cobalt 1.40 U 10.0 ug/L Copper 1.60 U 10.0 ug/L Lead 3.10 U 10.0 ug/L Nickel 2.20 U 10.0 ug/L Selenium 6.20 U 10.0 ug/L Silver 1.90 U 10.0 ug/L Vanadium 1.40 U 10.0 ug/L Zinc 4.40 U 10.0 ug/L Blank (OH14038-BLK2) Prepared: 08/14/2020 13:04 Analyzed: 08/18/2020 10:17 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Arsenic 7.60 U 10.0 ug/L Barium 1.10 U 10.0 ug/L Beryllium 0.160 U 1.00 ug/L Cadmium 0.360 U 1.00 ug/L Chromium 1.40 U 10.0 ug/L Cobalt 1.40 U 10.0 ug/L Copper 1.60 U 10.0 ug/L Lead 3.10 U 10.0 ug/L Nickel 2.20 U 10.0 ug/L Selenium 6.20 U 10.0 ug/L Silver 1.90 U 10.0 ug/L Vanadium 1.40 U 10.0 ug/L Zinc 4.40 U 10.0 ug/L LCS (OH14038-BSI) Prepared: 08/14/2020 13:04 Analyzed: 08/18/2020 10:23 Spike Source %REC Analvte Result Flaq POL Units Level Result %REC Limits Arsenic 207 10.0 ug/L 200 103 80-120 Barium 218 10.0 ug/L 200 109 80-120 Beryllium 20.6 1.00 ug/L 20.0 103 80-120 Cadmium 20.9 1.00 ug/L 20.0 105 80-120 Chromium 210 10.0 ug/L 200 105 80-120 Cobalt 210 10.0 ug/L 200 105 80-120 FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. RPD RPD Limit Notes Page 56 of 68 (� �Eo www.encolabs.com QUALITY CONTROL DATA Metals (total recoverable) by EPA 6000/7000 Series Methods - Quality Control Batch OH14O38 - EPA 3OO5A - Continued LCS (OH14038-BSI) Continued Prepared: 08/14/2020 13:04 Analyzed: 08/18/2020 10:23 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Copper 208 10.0 ug/L 200 104 80-120 Lead 212 10.0 ug/L 200 106 80-120 Nickel 217 10.0 ug/L 200 108 80-120 Selenium 210 10.0 ug/L 200 105 80-120 Silver 211 10.0 ug/L 200 106 80-120 Vanadium 204 10.0 ug/L 200 102 80-120 Zinc 226 10.0 ug/L 200 113 80-120 Matrix Spike (OH14038-MS3) Prepared: 08/14/2020 13:04 Analyzed: 08/18/2020 10:25 Source: CD10012-05 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Arsenic 200 10.0 ug/L 200 7.60 U 100 75-125 Barium 272 10.0 ug/L 200 53.3 109 75-125 Beryllium 20.9 1.00 ug/L 20.0 0.172 104 75-125 Cadmium 20.8 1.00 ug/L 20.0 0.360 U 104 75-125 Chromium 209 10.0 ug/L 200 1.72 104 75-125 Cobalt 208 10.0 ug/L 200 1.40 U 104 75-125 Copper 208 10.0 ug/L 200 1.93 103 75-125 Lead 209 10.0 ug/L 200 3.10 U 105 75-125 Nickel 216 10.0 ug/L 200 2.20 U 108 75-125 Selenium 215 10.0 ug/L 200 6.20 U 107 75-125 Silver 209 10.0 ug/L 200 1.90 U 104 75-125 Vanadium 207 10.0 ug/L 200 1.40 U 104 75-125 Zinc 228 10.0 ug/L 200 4.40 U 114 75-125 Matrix Spike Dup (OH14038-MSD1) Prepared: 08/14/2020 13:04 Analyzed: 08/18/2020 10:27 Source: CD10012-05 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Arsenic 208 10.0 ug/L 200 7.60 U 104 75-125 4 20 Barium 275 10.0 ug/L 200 53.3 111 75-125 1 20 Beryllium 21.1 1.00 ug/L 20.0 0.172 104 75-125 0.6 20 Cadmium 21.1 1.00 ug/L 20.0 0.360 U 105 75-125 1 20 Chromium 212 10.0 ug/L 200 1.72 105 75-125 1 20 Cobalt 213 10.0 ug/L 200 1.40 U 106 75-125 2 20 Copper 209 10.0 ug/L 200 1.93 104 75-125 0.4 20 Lead 214 10.0 ug/L 200 3.10 U 107 75-125 2 20 Nickel 218 10.0 ug/L 200 2.20 U 109 75-125 1 20 Selenium 210 10.0 ug/L 200 6.20 U 105 75-125 2 20 Silver 211 10.0 ug/L 200 1.90 U 106 75-125 1 20 Vanadium 210 10.0 ug/L 200 1.40 U 105 75-125 1 20 Zinc 232 10.0 ug/L 200 4.40 U 116 75-125 1 20 Post Spike (OH14038-PS1) Prepared: 08/14/2020 13:04 Analyzed: 08/18/2020 10:30 Source: CD10012-05 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Arsenic 0.213 0.0100 mg/L 0.200 -0.00314 106 80-120 Barium 0.279 0.0100 mg/L 0.200 0.0533 113 80-120 Beryllium 0.0218 0.00100 mg/L 0.0200 0.000172 108 80-120 FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. Page 57 Of 68 (� �Eo www.encolabs.com QUALITY CONTROL DATA Metals (total recoverable) by EPA 6000/7000 Series Methods - Quality Control Batch OH14O38 - EPA 3OO5A - Continued Post Spike (OH14038-PS3) Continued Prepared: 08/14/2020 13:04 Analyzed: 08/18/2020 10:30 Source: CD10012-05 Spike Source %REC Analvte Result Flaq POL Units Level Result %REC Limits RPD Cadmium 0.0215 0.00100 mg/L 0.0200 -2.97E-5 107 80-120 Chromium 0.218 0.0100 mg/L 0.200 0.00172 108 80-120 Cobalt 0.217 0.0100 mg/L 0.200 0.000251 108 80-120 Copper 0.216 0.0100 mg/L 0.200 0.00193 107 80-120 Lead 0.217 0.0100 mg/L 0.200 -0.000693 108 80-120 Nickel 0.224 0.0100 mg/L 0.200 -0.000217 112 80-120 Selenium 0.212 0.0100 mg/L 0.200 0.00113 105 80-120 Silver 0.221 0.0100 mg/L 0.200 0.000729 110 80-120 Vanadium 0.216 0.0100 mg/L 0.200 0.00105 108 80-120 Zinc 0.236 0.0100 mg/L 0.200 0.00283 117 80-120 Batch OH14O39 - EPA 3OO5A Blank (OH14039-BLK1) Prepared: 08/14/2020 13:14 Analyzed: 08/19/2020 10:05 RPD Limit Notes Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Arsenic 7.60 U 10.0 ug/L Barium 1.10 U 10.0 ug/L Beryllium 0.160 U 1.00 ug/L Cadmium 0.360 U 1.00 ug/L Chromium 1.40 U 10.0 ug/L Cobalt 1.40 U 10.0 ug/L Copper 1.60 U 10.0 ug/L Lead 3.10 U 10.0 ug/L Nickel 2.20 U 10.0 ug/L Selenium 6.20 U 10.0 ug/L Silver 1.90 U 10.0 ug/L Vanadium 1.40 U 10.0 ug/L Zinc 4.40 U 10.0 ug/L LCS (OH14039-BSI) Prepared: 08/14/2020 13:14 Analyzed: 08/19/2020 10:12 Spike Source %REC Analvte Result Flaq POL Units Level Result %REC Limits Arsenic 199 10.0 ug/L 200 100 80-120 Barium 212 10.0 ug/L 200 106 80-120 Beryllium 19.9 1.00 ug/L 20.0 99 80-120 Cadmium 20.3 1.00 ug/L 20.0 102 80-120 Chromium 202 10.0 ug/L 200 101 80-120 Cobalt 203 10.0 ug/L 200 102 80-120 Copper 200 10.0 ug/L 200 100 80-120 Lead 199 10.0 ug/L 200 99 80-120 Nickel 210 10.0 ug/L 200 105 80-120 Selenium 204 10.0 ug/L 200 102 80-120 Silver 205 10.0 ug/L 200 103 80-120 Vanadium 200 10.0 ug/L 200 100 80-120 Zinc 216 10.0 ug/L 200 108 80-120 RPD RPD Limit Notes FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 58 of 68 (� �Eo www.encolabs.com QUALITY CONTROL DATA Metals (total recoverable) by EPA 6000/7000 Series Methods - Quality Control Batch OH14O39 - EPA 3OO5A - Continued Matrix Spike (OH14039-MS1) Prepared: 08/14/2020 13:14 Analyzed: 08/19/2020 10:15 Source: CD10014-02 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Arsenic 208 10.0 ug/L 200 7.60 U 104 75-125 Barium 266 10.0 ug/L 200 60.6 103 75-125 Beryllium 20.0 1.00 ug/L 20.0 0.160 U 100 75-125 Cadmium 18.7 1.00 ug/L 20.0 0.360 U 93 75-125 Chromium 202 10.0 ug/L 200 3.28 100 75-125 Cobalt 200 10.0 ug/L 200 5.37 98 75-125 Copper 202 10.0 ug/L 200 1.60 U 101 75-125 Lead 195 10.0 ug/L 200 3.10 U 97 75-125 Nickel 200 10.0 ug/L 200 2.20 U 100 75-125 Selenium 191 10.0 ug/L 200 6.20 U 96 75-125 Silver 206 10.0 ug/L 200 1.90 U 103 75-125 Vanadium 205 10.0 ug/L 200 3.42 101 75-125 Zinc 209 10.0 ug/L 200 4.40 U 104 75-125 Matrix Spike Dup (OH14039-MSD1) Prepared: 08/14/2020 13:14 Analyzed: 08/19/2020 10:17 Source: CD10014-02 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Arsenic 212 10.0 ug/L 200 7.60 U 106 75-125 2 20 Barium 272 10.0 ug/L 200 60.6 106 75-125 2 20 Beryllium 20.2 1.00 ug/L 20.0 0.160 U 101 75-125 1 20 Cadmium 19.0 1.00 ug/L 20.0 0.360 U 95 75-125 2 20 Chromium 205 10.0 ug/L 200 3.28 101 75-125 1 20 Cobalt 204 10.0 ug/L 200 5.37 99 75-125 2 20 Copper 204 10.0 ug/L 200 1.60 U 102 75-125 1 20 Lead 199 10.0 ug/L 200 3.10 U 99 75-125 2 20 Nickel 205 10.0 ug/L 200 2.20 U 103 75-125 2 20 Selenium 193 10.0 ug/L 200 6.20 U 96 75-125 0.7 20 Silver 209 10.0 ug/L 200 1.90 U 104 75-125 1 20 Vanadium 208 10.0 ug/L 200 3.42 102 75-125 1 20 Zinc 213 10.0 ug/L 200 4.40 U 106 75-125 2 20 Post Spike (OH14039-PSI) Prepared: 08/14/2020 13:14 Analyzed: 08/19/2020 10:19 Source: CD10014-02 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Arsenic 0.213 0.0100 mg/L 0.200 0.00547 104 80-120 Barium 0.272 0.0100 mg/L 0.200 0.0606 106 80-120 Beryllium 0.0205 0.00100 mg/L 0.0200 -0.000102 103 80-120 Cadmium 0.0192 0.00100 mg/L 0.0200 -0.00112 96 80-120 Chromium 0.207 0.0100 mg/L 0.200 0.00328 102 80-120 Cobalt 0.206 0.0100 mg/L 0.200 0.00537 100 80-120 Copper 0.207 0.0100 mg/L 0.200 -0.00200 104 80-120 Lead 0.201 0.0100 mg/L 0.200 -0.00293 100 80-120 Nickel 0.206 0.0100 mg/L 0.200 0.000764 103 80-120 Selenium 0.203 0.0100 mg/L 0.200 -0.0258 101 80-120 Silver 0.216 0.0100 mg/L 0.200 0.00115 107 80-120 Vanadium 0.210 0.0100 mg/L 0.200 0.00342 104 80-120 Zinc 0.216 0.0100 mg/L 0.200 0.00204 107 80-120 Batch OH14O41 - EPA 3OO5A FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 59 of 68 (� �Eo www.encolabs.com QUALITY CONTROL DATA Metals (total recoverable) by EPA 6000/7000 Series Methods - Quality Control Batch OH14041 - EPA 3005A - Continued Blank (OH14041-BLKI) Prepared: 08/14/2020 13:20 Analyzed: 08/18/2020 10:03 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Antimony 0.370 U 1.00 ug/L Selenium 0.910 U 1.00 ug/L Thallium 0.110 U 1.00 ug/L LCS (OH14041-BSI) Prepared: 08/14/2020 13:20 Analyzed: 08/18/2020 10:07 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Antimony 19.5 1.00 ug/L 20.0 97 80-120 Selenium 20.0 1.00 ug/L 20.0 100 80-120 Thallium 19.4 1.00 ug/L 20.0 97 80-120 Matrix Spike (OH14041-MS1) Prepared: 08/14/2020 13:20 Analyzed: 08/18/2020 10:11 Source: CD10012-05 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Antimony 39.2 2.00 ug/L 40.0 0.740 U 98 75-125 Selenium 39.1 2.00 ug/L 40.0 1.82 U 98 75-125 Thallium 38.3 2.00 ug/L 40.0 0.220 U 96 75-125 Matrix Spike Dup (OH14041-MSD1) Prepared: 08/14/2020 13:20 Analyzed: 08/18/2020 10:16 Source: CD10012-05 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Antimony 42.8 2.00 ug/L 40.0 0.740 U 107 75-125 9 20 Selenium 40.1 2.00 ug/L 40.0 1.82 U 100 75-125 2 20 Thallium 40.9 2.00 ug/L 40.0 0.220 U 102 75-125 7 20 Post Spike (OH14041-PS3) Prepared: 08/14/2020 13:20 Analyzed: 08/18/2020 10:20 Source: CD10012-05 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Antimony 23.7 1.00 ug/L 20.0 0.0118 119 75-125 Selenium 23.9 1.00 ug/L 20.0 0.272 118 75-125 Thallium 22.9 1.00 ug/L 20.0 0.00627 114 75-125 Batch OH15002 - EPA 3005A Blank (OH15002-BLKI) Prepared: 08/15/2020 10:02 Analyzed: 08/21/2020 05:13 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Antimony 0.370 U 1.00 ug/L Selenium 0.910 U 1.00 ug/L Thallium 0.110 U 1.00 ug/L LCS (OH15002-BSI) Prepared: 08/15/2020 10:02 Analyzed: 08/21/2020 05:18 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Antimony 19.2 1.00 ug/L 20.0 96 80-120 Selenium 21.9 1.00 ug/L 20.0 109 80-120 Thallium 19.6 1.00 ug/L 20.0 98 80-120 FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 60 Of 68 (� �Eo www.encolabs.com QUALITY CONTROL DATA Metals (total recoverable) by EPA 6000/7000 Series Methods - Quality Control Batch OHI50O2 - EPA 3OO5A - Continued Matrix Spike (OH15002-MS1) Prepared: 08/15/2020 10:02 Analyzed: 08/21/2020 05:22 Source: CD12023-07 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Antimony 39.8 2.00 ug/L 40.0 0.740 U 99 75-125 Selenium 44.3 2.00 ug/L 40.0 5.21 98 75-125 Thallium 38.5 2.00 ug/L 40.0 0.230 96 75-125 Matrix Spike Dup (OH15002-MSD1) Prepared: 08/15/2020 10:02 Analyzed: 08/21/2020 05:26 Source: CD12023-07 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Antimony 40.7 2.00 ug/L 40.0 0.740 U 102 75-125 2 20 Selenium 44.3 2.00 ug/L 40.0 5.21 98 75-125 0.02 20 Thallium 38.5 2.00 ug/L 40.0 0.230 96 75-125 0.09 20 Post Spike (OH15002-PS1) Prepared: 08/15/2020 10:02 Analyzed: 08/21/2020 05:30 Source: CD12023-07 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Antimony 19.7 1.00 ug/L 20.0 0.0177 98 75-125 Selenium 22.4 1.00 ug/L 20.0 2.60 99 75-125 Thallium 19.4 1.00 ug/L 20.0 0.115 96 75-125 Metals (Dissolved) by EPA 6000/7000 Series Methods - Quality Control Batch OH14O38 - EPA 3OO5A Post Spike (OH14038-PSI) Prepared: 08/14/2020 13:04 Analyzed: 08/18/2020 10:30 Source: CD10012-05 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Chromium 0.218 0.0100 mg/L 0.200 0.00172 108 80-120 Cobalt 0.217 0.0100 mg/L 0.200 0.000251 108 80-120 Copper 0.216 0.0100 mg/L 0.200 0.00193 107 80-120 Nickel 0.224 0.0100 mg/L 0.200 -0.000217 112 80-120 Zinc 0.236 0.0100 mg/L 0.200 0.00283 117 80-120 Volatile Organic Compounds by GCMS SIM Isotope Dilution - Quality Control Batch OH17O37 - EPA 50305 MS Blank (OH17037-BLKI) Prepared: 08/17/2020 00:00 Analyzed: 08/17/2020 14:11 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes 1,4-Dioxane 0.80 U 2.0 ug/L Toluene-& 5.4 ug/L 5.00 108 75-125 LCS (OH17037-BSI) Prepared: 08/17/2020 00:00 Analyzed: 08/17/2020 13:45 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes 1,4-Dioxane 23 2.0 ug/L 25.0 92 80-133 Toluene-d8 5.4 ug/L 5.00 107 75-125 FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 61 of 68 (� �Eo www.encolabs.com QUALITY CONTROL DATA Volatile Organic Compounds by GCMS SIM Isotope Dilution - Quality Control Batch OH17O37 - EPA 5030E MS - Continued Matrix Spike (OH17037-MS1) Prepared: 08/17/2020 00:00 Analyzed: 08/17/2020 20:43 Source: AD05286-02 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes 1,4-Dioxane 100 E 2.0 ug/L 25.0 80 94 80-133 Toluene-& 5.2 ug/L 5.00 104 75-125 Matrix Spike Dup (OH17037-MSD1) Prepared: 08/17/2020 00:00 Analyzed: 08/17/2020 21:08 Source: AD05286-02 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes 1,4-Dioxane 100 E 2.0 ug/L 25.0 80 91 80-133 0.6 19 Toluene-d8 5.2 ug/L 5.00 104 75-125 FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 62 Of 68 (� �Eo www.encolabs.com FLAGS/NOTES AND DEFINITIONS B The analyte was detected in the associated method blank. D The sample was analyzed at dilution. J The reported value is between the laboratory method detection limit (MDL) and the laboratory method reporting limit (MRL), adjusted for actual sample preparation data and moisture content, where applicable. U The analyte was analyzed for but not detected to the level shown, adjusted for actual sample preparation data and moisture content, where applicable. E The concentration indicated for this analyte is an estimated value above the calibration range of the instrument. This value is considered an estimate. MRL Method Reporting Limit. The MRL is roughly equivalent to the practical quantitation limit (PQL) and is based on the low point of the calibration curve, when applicable, sample preparation factor, dilution factor, and, in the case of soil samples, moisture content. PQL PQL: Practical Quantitation Limit. The PQL presented is the laboratory MRL. N The analysis indicates the presence of an analyte for which there is presumptive evidence (85% or greater confidence) to make a "tentative identification". P Greater than 25% concentration difference was observed between the primary and secondary GC column. The lower concentration is reported. [CALC] Calculated analyte - MDL/MRL reported to the highest reporting limit of the component analyses. A-07 Analyte biased low in LCS but detected in the reporting limit standard. Since the analyte in the associated sample was not detected, there is no impact on data quality. 0-01 This compound is a common laboratory contaminant. QL-02 The associated laboratory control sample exhibited high bias; since the result is ND, there is no impact. QM-07 The spike recovery was outside acceptance limits for the MS and/or MSD. The batch was accepted based on acceptable LCS recovery. FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 63 of 68 m �w �L 'ro 00 OD OD 00 co Ou co 0000 OD � m a N 0 a a o 0 0 0 0 0 0 Co 0 o 0 0 0 0 � 3 'r ctlDh IQ Q CEO) UN+ .NA W w 0 0 W N � cD v c w D � l � N C1 x o. .3 O4�6 EV _ IyLIIJ 1 N Q tJ N 0 A O �VJ r v co 33 M V p m ,LO D'nw A a a m N o o Z ro m 3 m o mTa C-Jll r D m a rf) ��+ U .A A A O3 ro a X X X X X X X X X W 3 CD o o G C � X X X X X X X x X m (ti S 7 [ Q Z (n A 0 m a W a x o C g m Z CL a r sn CO 0 M m o 0 8280D Appendix 1 7° m 8260D Appendix 1.82800 Extended 0 z 82600 Appendix 1,826W n E)l@ndOdk2600 SIM !D m Z O m Ag,AS,Bd,Be,Cd,Cu,Cr,CU,NI,Pb.Sb,Se, 71 03 Se,TI,V2n , z Y n ° n o w C o a U) m n —i n 2 a 0 v o d m a �m m ri N j 0 TT a Qz 7p b Cn P'N. O (D D c� c tD O C •O n •Gc m N C C' 3 Q F, a 3 o a .,,a m C S (D Q r fn Q '{ n C 11 Page 64 of x 3 v m m m �� z +U- o v CD Q C 0 Ca 0 O Gi m 3 m 0 W W W W W O � O a w N cr p (AN C] LTI #� 1�3 z iv m � a N v ■—■ m �7 m � -1 03, CD W Q cm mb 9 00 ' ` ` Qd ' Ckr a CIS Cif m p cq ?N N fQ� $ -4 Z a O c ^~ n Z m Q ! Ui Q S9nmgm m cm> c l Loix o DW 3 l/ � $ Q Z ] 8� �0 3 3 1p4 3 `�, �G1G��G�� T7P-0 c N o G� 0 r• m 4 Q Z W R m t fn m A vCD '�a CD mYk Z ^ N —J �I p A la A M iBa n � X X X X X X 8260D Appendix 9 szeoo,4 �' pp"IX 1,8260� Extended n Z m e m m m j 6WOO AppoWlx 1.82600 m '• m X X ,3b EMand W4260D SIM ID Z g m O x ti m Ag,AS,Be,ee,Cd C.o,Cr,CU,NI,Pb,Sb,Se, w N T1 X X ,tie X X X 74 X o ? s N , Se T1,V 2n C aCD 0 'a N to 3 •c � 3. z m " 0 Q ^ w O m 3 Y H m � D Z m O m n On m � �. 0. b C 3 n 7 CD - � m go an { co 3 _ 3 3 I� 3 CL l A EF m m ^'Fr- O � 70 :3 v- .A Q C m m y W O cr G N cn a _6 o in OCLCL Page 65 of 68 Sample Preservation Verification III '-NCO Cary Work Order: CD10012 Project: Rowan County Active Landfills Client: Golder Associates, Inc. (GO007) Project #: 19123756.100 Logged In: 13-Aug-20 14:16 Logged By: John C King Preservation Check Performed By: (_) Date/Time:y G1J D10012-01 Cont Type Pres (pH) pH Checked I pH Adjusted Date/Time Reagent Used/Comments :. Requirement In Control Adjusted A 250mLP+HNO3 <2 Y/ N 1 NA Y/ .N 1 NA D10012-02 Cant Type Pres (pH) pH Checked! pH Adjusted DateMme Reagent Used/Comments Requirement I In Control I Adjusted A 250mLP+HNO3 1 2 1 Y/ N/ NA Y 1 N 1 NA 10012-03 Cont Type Pres (pH) pH Checked / pH Adjusted DateMme I Reagent Used/Comments Requirement In Control Adiusted A 250mLP+HNO3 <2 Y / N / NA I Y / .N I NA D10012-04 Cont Type Pres (pH) pH Checked I pH Adjusted Date/Time Reagent Used/Comments Requirement In Control Adjusted A 250mLP+HNO3 <2 Y�I N I NA Y I N/ NA 010012-05 Cont Type Pres (pH) pH Checked / pH Adjusted Date/Time Reagent Used/Comments RequjiMnent In Control Adjusted A 250mLP+HNO3 <2 Y 1 N/ NA Y/ H 1 NA B 250mLP+HNO3 <2 Qy / N I NA Y ! / NA 111511111 MID- Cont yp Type Pres (pH) Requirement ke pH Checd I In Control pH Adjusted Date/Time Adjusted Reagent Used/Comments A 250mLP+HNO3 <2 Y 1 N/ NA Y 1 '/ NA D10012-07 Cant Type Pres (pH) IpH Requirement Checked / In Control pH Adjusted Date/Time Adjusted Reagent UsedlComments A 250mLP+HNO3 <2 Y 1 N 1 NA I Y 1 / NA 0012-08 Cont Type Pres (pH) 1pHGheCKecIi Requirement In Control pH Adjusted Date/Time Adjusted Reagent Used/Comments A 250mLP+HNO3 <2 1 1 N / NA I Y / / NA C:IELMNTIPrintlwko_PreservationCheck.rpt I Page 66 of 68 1 f ' Sample Preservation Verification I■.■ r =NCO Ca rY Work Order: CD10012 Project: Rowan County Active Landfills Client: Golder Associates, Inc. (GO007) Project#: 19123756,100 Logged In: 13-Aug-20 14:16 Logged By: John C King Preservation Check Performed By: � (� Date/Time: D10012-09 Cont Type Pres (pH) Requirement PH Checked 1 In Control Date/Time PH Adjusted Adjusted " Reagent Used/Comments A 250mLP+HNO3 <2 Y I N/ NA Y I N, I NA D10012-10 Cant Type Pres (PH) pH Checked / PH Adjusted Date/Time Reagent Used/Comments Requirement In Control Adjusted j A 250mLP+HNO3 <2 `Y,1 N 1 NA Y 1. N. 1 NA D10012-11 Cont Type Pres (pH) pH Checked l PH Adjusted DatelTme Reagent Used/Comments Requirement In Control Adiusted A 250mLP+HNO3 <2 Y 1 N 1 NA Y/ N 'I NA LD10012-12 Cont Type ties (pH) JpH Checked/ PH Adjusted DateMme Reagent Used/Comments Requirement In Control Adiusted A 250mLP+HNO3 <2 Y 1 N I NA I YIN ! NA 0012-13 Cont Type Pres (pH) 1PH Checked I pH Adjusted DatelTime Reagent Used/Comments j Requirement In Control Adjusted A 250mLP+HNO3 <2 Y- I N I NA I Y 1, N 1 NA 1 AA 17-1 A Cont YP Type Pres (pH) Requirement pH Checked 1 I In Control pH Adjusted Date/Time Adjusted Reagent Used/Comments A 250mLP+HNO3 <2 Y 1 N/ NA Y / NA 1 .n1 nn12-15 Cont YP. Typo Pres (pH) pH Checked / PH Adjusted Date/Time Reagent Used/Comments Requirement In Control Adjusted A 250mLP+HNO3 <2 Y/ N! NA I Y I N I NA M1(10 12-16 Cont Type Pres (pH) Requirement JpH Checked ! In Control pH Adjusted DateMme Adjusted Reagent Used/Coma-tents A 250mLP+HNO3 <2 Y I N/ NAJ Y/ N/ NA rn1nr11 7-17 e Pres (pH) Requirement pH Checked 1 In Control PH Adjusted Daterrime Adjusted Reagent UsedlComments A+ EJ2y5OmLPHNO3 <2 Y I N I NA Y/ N I NA C:IELMNTIPrintlwko_PreservationCheck.rpt Page 67 of 68 IF ample Preservation Verification VCO Cary Work Order: CD10012 Client: Golder Associates, Inc. (GO007) . KN7z(M I Project: Rowan County Active Landfills Project #: 19123756.100 Logged ln: 13-Aug-20 14:16 Logged By: John C King d Preservation Check Performed By: DatelTime: z� A16) ' D1 n012-19 Cant Type Pres (pFl} pH Checked / pH Adjusted Date/Time Reagent Used/Comments Requirement In Control Adjusted A 250mLP+HNO3 <2 Y ; N / NA Y ILI lI NA _n1 nn12-19 Cant T e yp Pres (pH) pH Checked 1 p H Adjusted DateMme Reagent Used/Comments Requirement In Control Adjusted A 250mLP+HNO3 <2 I.Y I N/ NA Y I N/ NA 1 nn12-2n Cont Type Pres (pH) Requirement pH Checked I In Control pH Adjusted DateMme Adjusted Reagent Used/Comments A 250mLP+HNO3 <2 Y I N/ NA Y 1. N: 1 NA 1 nn 12-21 Cant Type lies (pH) pH Checked/1 pH Adjusted DatelTime Reagent Used/Comments Requirement In Control Adjusted A 250mLP+HNO3 <2 'Y ! N 1 NA I Y ! N / NA nn19-93 Cont Type Pres (pH) Requirement JpH Checked/ I In Control pH Adjusted Date/Time Adjusted Reagent Used/Comments A 25omLP+HNO3 [F) <2 / N / NA I Y 1 'N / NA n1nn12-2A Cant Type Pres (pH} Requirement pH Checked I In Control pH Adjusted Date/Time Adjusted Reagent Used/Comments A 250mLP+HNO3 [Fj <2 Y I N/ NA Y 1 N/ NA CD10012-25 Cant Type Pres (pH) Requirement pH Checked 1 In Control pH Adjusted DateMme Adjusted Reagent Used/Comments A 250mLP+HNO3 [Fj <2 Y 'I N / NA Y I6,4 NA Reagent Name ID 1 2 pH Strip ID. S Rea ent Name ID 3 4 Rea ent Name ID 5 6 CAELMNTIPrintlwko_PreservationCheck. rpt I Page 68 of 68 2�SQ pCCgF ENCO Laboratories 9e0 Accurate. Timely. Responsive. Innovative. 102-A Woodwinds Industrial Court Cary NC, 27511 Phone: 919.467.3090 FAX: 919.467.3515 Friday, October 30, 2020 Golder Associates, Inc. (G0007) Attn: Darren Cox 5B Oak Branch Drive Greensboro, NC 27407 RE: Laboratory Results for Project Number: 0636572018.100, Project Name/Desc: Rowan County Active Landfills Resample ENCO Workorder(s): CD16693 Dear Darren Cox, Enclosed is a copy of your laboratory report for test samples received by our laboratory on Tuesday, October 20, 2020. Unless otherwise noted in an attached project narrative, all samples were received in acceptable condition and processed in accordance with the referenced methods/procedures. Results for these procedures apply only to the samples as submitted. The analytical results contained in this report are in compliance with NELAC standards, except as noted in the project narrative if applicable. This report shall not be reproduced except in full, without the written approval of the Laboratory. This report contains only those analyses performed by Environmental Conservation Laboratories. Unless otherwise noted, all analyses were performed at ENCO Cary. Data from outside organizations will be reported under separate cover. If you have any questions or require further information, please do not hesitate to contact me. Sincerely, Amanda L. Gaines Project Manager Enclosure(s) FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 1 of 13 PROJECT NARRATIVE Date: October 30, 2020 Client: Golder Associates, Inc. (G0007) Project: Rowan County Active Landfills Resample Lab ID: CD16693 Overview (� �Eo www.encolabs.com Environmental Conservation Laboratories, Inc. (ENCO) analyzed all submitted samples in accordance with the methods referenced in the laboratory report. Any particular difficulties encountered during sample handling by ENCO are discussed in the QC Remarks section below. Quality Control Samples The 8260D LCS exhibited a high bias for 1, 1 -Dichloroethene; however, this analyte was not detected in the associated samples. The Continuing Calibration Verification (CCV) exhibited a high bias for 1,1-Dichloroethene; however, these analytes were not detected in the associated samples. The spike recoveries for 1,1-Dichloroethene and Trichloroethene were outside control limits for the MS and MSD samples; however, these analytes were not detected in the associated samples. Quality Control Remarks No Comments Other Comments All samples received under this work order arrived in acceptable conditions. The samples were not checked for chlorine, as it is not required. The analytical data presented in this report are consistent with the methods as referenced in the analytical report. Any exceptions or deviations are noted in the QC remarks section of this narrative or in the Flags/Notes and Definitions section of the report. Released By: Environmental Conservation Laboratories, Inc. Amanda Gaines Project Manager FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 2 of 13 (� �Eo www.encolabs.com SAMPLE SUMMARY/LABORATORY CHRONICLE Client ID: 8003-MW18R Lab ID: CD36693-01 Sampled: 10/19/20 14:17 Received: 10/20/20 12:30 Parameter EPA 8260D Preparation EPA 503013_MS Hold Date/Time(s) 11/02/20 Prep Date/Time(s) 10/27/20 09:33 Analysis Date/Time(s) 10/27/20 20:37 Client ID: MW-19 Lab ID: CD16693-02 Sampled: 10/19/20 15:41 Received: 10/20/20 12:30 Parameter EPA 6010D EPA 8260D Preparation EPA 3005A EPA 503013_MS Hold Date/Time(s) 04/17/21 11/02/20 Prep Date/Time(s) 10/23/20 16:40 10/27/20 09:33 Analysis Date/Time(s) 10/27/20 11:28 10/27/20 21:07 Client ID: TRIP BLANK Lab ID: CD16693-03 Sampled: 10/19/20 14:17 Received: 10/20/20 12:30 Parameter EPA 8260D Preparation EPA 503013_MS Hold Date/Time(s) 11/02/20 Prep Date/Time(s) 10/27/20 09:33 Analysis Date/Time(s) 10/27/20 21:37 Client ID: FIELD BLANK Lab ID: CD16693-04 Sampled: 10/19/20 15:59 Received: 10/20/20 12:30 Parameter EPA 8260D Preparation EPA 503013_MS Hold Date/Time(s) 11/02/20 Prep Date/Time(s) 10/27/20 09:35 Analysis Date/Time(s) 10/28/20 09:37 Client ID: MW-19 DISSOLVED Lab ID: CD36693-06 Sampled: 10/19/20 15:41 Received: 10/20/20 12:30 Parameter EPA 6010D Preparation EPA 3005A Hold Date/Time(s) 04/17/21 Prep Date/Time(s) 10/23/20 16:40 Analysis Date/Time(s) 10/27/20 11:30 FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 3 Of 13 (� �Eo www.encolabs.com SAMPLE DETECTION SUMMARY Client ID: 8003-MW18R Lab ID: CD16693-01 Analvte Results Flag MDL PQL Units Method Notes Benzene 1.4 0.15 1.0 uq/L EPA 8260D I Client ID: MW-19 Lab ID: CD16693-02 Analvte Results Flag MDL PQL Units Method Notes Benzene 3.2 0.15 1.0 ug/L EPA 8260D Cobalt - Total 14.0 1.40 10.0 ug/L EPA 6010D Client ID: MW-19 DISSOLVED Lab ID: CD16693-06 Analvte Results Flag MDL PQL Units Method Notes Cobalt - Dissolved 14.2 1.40 10.0 ug/L EPA 6010D FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 4 Of 13 (� �Eo www.encolabs.com ANALYTICAL RESULTS Description: 8003-MW18R Lab Sample ID:CD16693-01 Received: 10/20/20 12:30 Matrix: Ground Water Sampled:10/19/20 14:17 Work Order: CD16693 Project: Rowan County Active Landfills Resample Sampled By: Nicolas Tejada-Torres Volatile Organic Compounds by GCMS ^ - ENCO Cary certified analyte [NC 591] Analyte rCAS Numberl Results Flaa Units DF MDL POLL Batch Method Analyzed AX Notes Benzene [71-43-2]^ 1.4 ug/L 1 0.15 1.0 0327018 EPA 8260D 10/27/20 20:37 REF Surrogates Results DF Spike Lv/ % Rec % Rec Limits Batch Method Ana/vzed By Notes 4-Bromofluorobenzene 53 1 50.0 106 % 53-136 OJ27018 EPA 6260D 10127120 20:37 REF Dibromofluoromethane 59 1 50.0 119 % 67-129 OJ27018 EPA 6260D 10127120 20:37 REF Toluene-d8 53 1 50.0 105 % 59-134 OJ27018 EPA 6260D 10127120 2037 REF Description: MW-19 Lab Sample ID:CD16693-02 Received: 10/20/20 12:30 Matrix: Ground Water Sampled:10/19/20 15:41 Work Order: CD16693 Project: Rowan County Active Landfills Resample Sampled By: Nicolas Tejada-Torres Volatile Organic Compounds by GCMS ^ - ENCO Cary certified analyte [NC 591] Analyte rCAS Numberl Results Flag Units DF MDL POLL Batch Method Analyzed By Notes Benzene [71-43-2]^ 3.2 ug/L 1 0.15 1.0 0127018 EPA 8260D 10/27/20 21:07 REF Surrogates Results DF Spike Lv/ % Rec % Rec Limits Batch Method Ana/vzed By Notes 4-Bromofluorobenzene 52 1 50.0 104 % 53-136 OJ27018 EPA 8260D 10127120 21:07 REF Dibromofluoromethane 59 1 50.0 118 % 67-129 OJ27018 EPA 8260D 10127120 21:07 REF Toluene-d8 53 1 50.0 107 % 59-134 OJ27018 EPA 8260D 10127120 21:07 REF Metals (total recoverable) by EPA 6000/7000 Series Methods ^ - ENCO Cary certified analyte [NC 591] Analyte rCAS Numberl Results Flaa Units DF MDL P L Batch Method Analyzed By Notes Cobalt[7440-48-4]^ 14.0 ug/L 1 1.40 10.0 0323029 EPA 6010D 10/27/20 11:28 ]DH Description: TRIP BLANK Lab Sample ID:CD16693-03 Received: 10/20/20 12:30 Matrix: Water Sampled:10/19/20 14:17 Work Order: CD16693 Project: Rowan County Active Landfills Resample Sampled By: ENCO Volatile Organic Compounds by GCMS ^ - ENCO Cary certified analyte [NC 591] Analyte rCAS Numberl Results Flag Units DF MDL P L Batch Method Analyzed By Notes Benzene [71-43-2]^ 0.15 U ug/L 1 0.15 1.0 0327018 EPA 8260D 10/27/20 21:37 REF Surrogates Results DF Snike Lv/ % Rec % Rec Limits Batch Method Ana/vzed ffy Notes 4-Bromofluorobenzene 52 1 50.0 105 % 53-136 0727018 EPA 8260D 10127120 21:37 REF Dibromofluoromethane 61 1 50.0 121 % 67-129 0727018 EPA 8260D 10127120 21:37 REF Toluene-& 53 1 50.0 107 % 59-134 0727018 EPA 8260D 10127120 21:37 REF FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 5 Of 13 (� �Eo www.encolabs.com ANALYTICAL RESULTS Description: FIELD BLANK Lab Sample ID:CD16693-04 Received: 10/20/20 12:30 Matrix: Water Sampled:10/19/20 15:59 Work Order: CD16693 Project: Rowan County Active Landfills Resample Sampled By: Nicolas Tejada-Torres Volatile Organic Compounds by GCMS ^ - ENCO Cary certified analyte [NC 591] Analyte rCAS Numberl Results Flaa Units DF MDL POLL Batch Method Analyzed AX Notes Benzene [71-43-2]^ 0.15 U ug/L 1 0.15 1.0 OJ27019 EPA 8260D 10/28/20 09:37 REF Surrogates Results DF Spike Lv/ % Rec % Rec Limits Batch Method Ana/vzed By Notes 4-Bromofluorobenzene 51 1 50.0 102 % 53-136 OJ27019 EPA 6260D 10128120 09:37 REF Dlbromofluoromethane 59 1 50.0 118 % 67-129 OJ27019 EPA 6260D 10128120 09:37 REF Toluene-d8 54 1 50.0 108 % 59-134 OJ27019 EPA 6260D 10126120 0937 REF Description: MW-19 DISSOLVED Lab Sample ID:CD16693-06 Received: 10/20/20 12:30 Matrix: Ground Water Sampled:10/19/20 15:41 Work Order: CD16693 Project: Rowan County Active Landfills Resample Sampled By: Nicolas Tejada-Torres Metals (Dissolved) by EPA 6000/7000 Series Methods ^ - ENCO Cary certified analyte [NC 591] Analyte rCAS Numberl Results Flaa Units DF MDL POLL Batch Method Analyzed Ay Notes Cobalt[7440-48-4]^ 14.2 ug/L 1 1.40 10.0 0123029 EPA 6010D 10/27/20 11:30 JDH FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 6 of 13 00� www.encolabs.com QUALITY CONTROL DATA Volatile Organic Compounds by GCMS - Quality Control Batch OJ27018 - EPA 5030E MS Blank (0327018-BLK1) Prepared: 10/27/2020 09:33 Analyzed: 10/27/2020 16:36 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Benzene 0.15 U 1.0 ug/L 4-Bromofluorobenzene 53 U91L 50.0 105 53-136 Dibromofluoromethane 55 U91L 50.0 111 67-129 Toluene-d8 54 U91L 50.0 108 59-134 LCS (0127018-BS1) Prepared: 10/27/2020 09:33 Analyzed: 10/27/2020 15:28 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limi RPD Mina Notes 1,1-Dichloroethene 31 1.0 ug/L 20.0 156 75-133 QL-02 Benzene 17 1.0 ug/L 20.0 85 80-134 Chlorobenzene 20 1.0 ug/L 20.0 98 80-120 Toluene 20 1.0 ug/L 20.0 99 71-120 Trichloroethene 20 1.0 ug/L 20.0 102 74-120 4-8romofluorobenzene 55 U91L 50.0 111 53-136 Dibromofluoromethane 56 U91L 50.0 113 67-129 Toluene-& 55 U91L 50.0 109 59-134 Matrix Spike (0127018-MS1) Prepared: 10/27/2020 09:33 Analyzed: 10/27/2020 14:28 Source: CD17464-03 Spike Source %REC RPD Analvte Result Flaa POL Units Level Result %REC Limits RPD Limit Notes 1,1-Dichloroethene 34 1.0 ug/L 20.0 0.21 U 170 75-133 QM-07 Benzene 20 1.0 ug/L 20.0 0.15 U 99 80-134 Chlorobenzene 20 1.0 ug/L 20.0 0.17 U 98 80-120 Toluene 20 1.0 ug/L 20.0 0.14 U 99 71-120 Trichloroethene 21 1.0 ug/L 20.0 0.15 U 107 74-120 4-Bromofluorobenzene 54 U91L 50.0 107 53-136 Dibromofluoromethane 58 U91L 50.0 115 67-129 Toluene-d8 57 U91L 50.0 114 59-134 Matrix Spike Dup (0327018-MSD1) Prepared: 10/27/2020 09:33 Analyzed: 10/27/2020 14:58 Source: CD17464-03 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limi RPD Limit Notes 1,1-Dichloroethene 34 1.0 ug/L 20.0 0.21 U 170 75-133 0.5 20 QM-07 Benzene 19 1.0 ug/L 20.0 0.15 U 94 80-134 5 17 Chlorobenzene 20 1.0 ug/L 20.0 0.17 U 98 80-120 0.5 16 Toluene 20 1.0 ug/L 20.0 0.14 U 101 71-120 2 17 Trichloroethene 22 1.0 ug/L 20.0 0.15 U ill 74-120 4 22 4-8romofluorobenzene 55 U91L 50.0 110 53-136 Dibromofluoromethane 57 U91L 50.0 114 67-129 Toluene-& 54 U91L 50.0 108 59-134 Batch OJ27019 - EPA 5030E MS Blank (0327019-BLKi) Prepared: 10/27/2020 09:35 Analyzed: 10/28/2020 05:07 Spike Source %REC RPD Analvte Result Flao POL Units Level Result %REC Limits RPD Limit Notes Benzene 0.15 U 1.0 ug/L FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. Page 7 Of 13 (� �Eo www.encolabs.com QUALITY CONTROL DATA Volatile Organic Compounds by GCMS - Quality Control Batch OJ27019 - EPA 5030B MS - Continued Blank (0327019-BLK1) Continued Prepared: 10/27/2020 09:35 Analyzed: 10/28/2020 05:07 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes 4-Bromofluorobenzene 51 u91L 50.0 103 53-136 Dibromofluoromethane 60 u91L 50.0 120 67-129 Toluene-d8 54 u91L 50.0 108 59-134 LCS (0327019-BS1) Prepared: 10/27/2020 09:35 Analyzed: 10/28/2020 03:07 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes 1,1-Dichloroethene 37 1.0 ug/L 20.0 183 75-133 QL-02 Benzene 19 1.0 ug/L 20.0 95 80-134 Chlorobenzene 19 1.0 ug/L 20.0 97 80-120 Toluene 19 1.0 ug/L 20.0 96 71-120 Trichloroethene 21 1.0 ug/L 20.0 106 74-120 4-Bromofluorobenzene 54 u91L 50.0 108 53-136 Dibromofluoromethane 58 u91L 50.0 117 67-129 Toluene-d8 53 u91L 50.0 106 59-134 Matrix Spike (0727019-MS1) Prepared: 10/27/2020 09:35 Analyzed: 10/28/2020 03:37 Source: CD17464-04 Spike Source %REC RPD Analvte Result Flaq Q Units Level Result %REC Limits RPD Limit Notes 1,1-Dichloroethene 39 1.0 ug/L 20.0 0.21 U 196 75-133 QM-07 Benzene 20 1.0 ug/L 20.0 0.15 U 98 80-134 Chlorobenzene 20 1.0 ug/L 20.0 0.17 U 100 80-120 Toluene 20 1.0 ug/L 20.0 0.14 U 99 71-120 Trichloroethene 25 1.0 ug/L 20.0 0.15 U 125 74-120 QM-07 4-Bromofluorobenzene 52 u91L 50.0 105 53-136 Dibromofluoromethane 59 u91L 50.0 118 67-129 Toluene-d8 54 u91L 50.0 109 59-134 Matrix Spike Dup (0327019-MSD1) Prepared: 10/27/2020 09:35 Analyzed: 10/28/2020 04:07 Source: CD17464-04 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes 1,1-Dichloroethene 36 1.0 ug/L 20.0 0.21 U 182 75-133 7 20 QM-07 Benzene 19 1.0 ug/L 20.0 0.15 U 93 80-134 5 17 Chlorobenzene 19 1.0 ug/L 20.0 0.17 U 97 80-120 3 16 Toluene 19 1.0 ug/L 20.0 0.14 U 94 71-120 5 17 Trichloroethene 26 1.0 ug/L 20.0 0.15 U 130 74-120 3 22 QM-07 4-Bromofluorobenzene 52 u9/L 50.0 104 53-136 Dibromofluoromethane 59 u91L 50.0 118 67-129 Toluene-d8 54 u91L 50.0 108 59-134 Metals (total recoverable) by EPA 6000/7000 Series Methods - Quality Control Batch OJ23029 - EPA 3005A Blank (0323029-BLK1) Prepared: 10/23/2020 16:40 Analyzed: 10/27/2020 10:24 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 8 Of 13 (� �Eo www.encolabs.com QUALITY CONTROL DATA Metals (total recoverable) by EPA 6000/7000 Series Methods - Quality Control Batch OJ23029 - EPA 3005A - Continued Blank (0323029-BLK1) Continued Prepared: 10/23/2020 16:40 Analyzed: 10/27/2020 10:24 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Cobalt 1.40 U 10.0 ug/L LCS (0323029-BS3) Prepared: 10/23/2020 16:40 Analyzed: 10/27/2020 10:40 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Cobalt 200 10.0 ug/L 200 100 80-120 Matrix Spike (0323029-MS3) Prepared: 10/23/2020 16:40 Analyzed: 10/27/2020 10:43 Source: CD16842-08 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Cobalt 204 10.0 ug/L 200 2.39 101 75-125 Matrix Spike Dup (0323029-MSDI) Prepared: 10/23/2020 16:40 Analyzed: 10/27/2020 10:45 Source: CD16842-08 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Cobalt 208 10.0 ug/L 200 2.39 103 75-125 2 20 Post Spike (0323029-PS3) Prepared: 10/23/2020 16:40 Analyzed: 10/27/2020 10:54 Source: CD16842-08 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Cobalt 0.205 0.0100 mg/L 0.200 0.00239 101 80-120 Metals (Dissolved) by EPA 6000/7000 Series Methods - Quality Control Batch OJ22021 - EPA 3005A Blank (0322021-BLK3) Prepared: 10/22/2020 12:48 Analyzed: 10/26/2020 10:11 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Cobalt 1.40 U 10.0 ug/L LCS (0322021-BSI) Prepared: 10/22/2020 12:48 Analyzed: 10/26/2020 11:35 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Cobalt 205 10.0 ug/L 200 103 80-120 Matrix Spike (0322021-MS3) Prepared: 10/22/2020 12:48 Analyzed: 10/26/2020 11:38 Source: CD16047-01 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Cobalt 247 10.0 ug/L 200 36.9 105 75-125 Matrix Spike Dup (0322021-MSD1) Prepared: 10/22/2020 12:48 Analyzed: 10/26/2020 11:47 Source: CD16047-01 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Cobalt 257 10.0 ug/L 200 36.9 110 75-125 4 20 FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 9 Of 13 (� �Eo www.encolabs.com QUALITY CONTROL DATA Metals (Dissolved) by EPA 6000/7000 Series Methods - Quality Control Batch OJ22021 - EPA 3005A - Continued Post Spike (0322021-PS1) Prepared: 10/22/2020 12:48 Analyzed: 10/26/2020 11:49 Source: CD16047-01 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Cobalt 0.250 0.0100 mg/L 0.200 0.0369 106 80-120 Batch OJ23029 - EPA 3005A Blank (0323029-BLK3) Prepared: 10/23/2020 16:40 Analyzed: 10/27/2020 10:24 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Cobalt 1.40 u 10.0 ug/L LCS (0323029-BSI) Prepared: 10/23/2020 16:40 Analyzed: 10/27/2020 10:40 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Cobalt 200 10.0 ug/L 200 100 80-120 Matrix Spike (0323029-MS1) Prepared: 10/23/2020 16:40 Analyzed: 10/27/2020 10:43 Source: CD16842-08 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Cobalt 204 10.0 ug/L 200 2.39 101 75-125 Matrix Spike Dup (0723029-MSD1) Prepared: 10/23/2020 16:40 Analyzed: 10/27/2020 10:45 Source: CD16842-08 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Cobalt 208 10.0 ug/L 200 2.39 103 75-125 2 20 Post Spike (0323029-PS3) Prepared: 10/23/2020 16:40 Analyzed: 10/27/2020 10:54 Source: CD16842-08 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Cobalt 0.205 0.0100 mg/L 0.200 0.00239 101 80-120 FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 10 Of 13 (� �Eo www.encolabs.com FLAGS/NOTES AND DEFINITIONS B The analyte was detected in the associated method blank. D The sample was analyzed at dilution. J The reported value is between the laboratory method detection limit (MDL) and the laboratory method reporting limit (MRL), adjusted for actual sample preparation data and moisture content, where applicable. U The analyte was analyzed for but not detected to the level shown, adjusted for actual sample preparation data and moisture content, where applicable. E The concentration indicated for this analyte is an estimated value above the calibration range of the instrument. This value is considered an estimate. MRL Method Reporting Limit. The MRL is roughly equivalent to the practical quantitation limit (PQL) and is based on the low point of the calibration curve, when applicable, sample preparation factor, dilution factor, and, in the case of soil samples, moisture content. PQL PQL: Practical Quantitation Limit. The PQL presented is the laboratory MRL. N The analysis indicates the presence of an analyte for which there is presumptive evidence (85% or greater confidence) to make a "tentative identification". P Greater than 25% concentration difference was observed between the primary and secondary GC column. The lower concentration is reported. [CALC] Calculated analyte - MDL/MRL reported to the highest reporting limit of the component analyses. QL-02 The associated laboratory control sample exhibited high bias; since the result is ND, there is no impact. QM-07 The spike recovery was outside acceptance limits for the MS and/or MSD. The batch was accepted based on acceptable LCS recovery. QV-01 The associated continuing calibration verification standard exhibited high bias; since the result is ND, there is no impact. FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 11 of 13 E o rL O U' mt £ cl a y a ro X N U m m Q a U} Wcc r a ti w E a m m — 2 0 ?ca V J a � � U � r C Q P a � U � _ O U N a L i z sn 6" o m c m m w • ro m Q o� z a m� m o n w m v d O m U m ¢ ¢ ¢ z E ¢ cn 0 i � � S 0 U m r� =1J 00 a x x c o U � E V ly� E E k y- w �o a c x 009Z9 x x x _o V �O h o V E C In U') Cr! m U O V 1 � C m a a s P r p r^ •�y 6 4 o a C 3 b m tn 5 M H L .ac w o a \, II Q r D m _ oIV IA o r c c 0 cc a.� ° � n N r - N m \ N z U •� 4 N 0 m C3 w 3 O � Y � N to a Z O _ g W m EL n i„ 4 �C7 a m o g CA r m IL Cal o - m @ v m pp O W o S7 O Ci! E oa co 2E^ LL m V v IL) V �• Q Y N z b F: E Page 12 of 13 Sample Preservation Verification ENCO Cary Client: Golder Associates, Inc. (GO007) Q Project: Rowan County Active Landfills Resample Project #: 0636572018.100 Logged in: 20-Oct-20 16:20 Logged By: Rachel Ann Y Wish Preservation Check Performed By: Date/Time:� CD16693-01 Cont Type Pres (pH) Requirement pH Checked 1 In Control pH Adjusted Date[Time Adjusted Reagent Used/Comments A 250mLP+HNO3 <2 Y N/ NA Y/ N NA CD16693-02 Pres (pH) pH Checked / pH Adjusted Date/Time Reagent Used/Comments -- RA E25pOomLP+HNO3 Requirement In Control Adjusted <2 Y N/ NA I Y N NA CD16693-05 Cont Type Pres (pH) Requirement pH Checked / In Control pH Adjusted DateMme Adjusted Reagent Used/Comments A 250mLP+HNO3 [L] <2 Y N / NA Y / N NA CD16693-06 Cont Type Pres (pH) Requirement pH Checked ! In Control pH Adjusted Date/Time Adjusted Reagent Used/Comments A 250mLP+HNO3 [F] <2 Y'1 N I NA Y 1i N l NA Rea ent Name ID 1 2 Rea e t Name ID 3 4 Rea.gent Name ID 5 6 r pH Strip ID: PH Strips COF0555 'rC:leimnt\Print�WKO_I-reservatiuiit-iReur,,ipt I Page 13 of 13 GOLDER ASSOCIATES NC, INC. QUALITY ASSURANCE & QUALITY CONTROL LABORATORY DATA REVIEW Page 1 of 3 * GOLDER Project Name: Rowan County Active Landfill Project Reference Number: 20140083.100 Sampling Event Date: August 10-12, 2020 Review Date: September 21, 2020 Initials: DC Report #: CID 10012 Review: RK Person(s) performing the review are to initial each item on this form as acknowledgement of data acceptance, or as acknowledgement of a review issue. In the case of the latter, a brief explanation should follow the applicable item. Golder Associates Inc. has reviewed the laboratory certificates of analysis, chain -of -custody form, and laboratory provided sample group quality assurance and quality control data for the above referenced sample group to identify potential bias or inaccuracy, in general accordance with the following United States Environmental Protection Agency documents: • Region III Modifications to Functional Guidelines for Organic Data Review Multi -Media, Multi - Concentration, September 1994; • Region III Modifications to the Laboratory Data Validation Functional Guidelines for Evaluating Inorganic Analyses, April 1993; and • Laboratory Data Validation Functional Guidelines for Evaluating Inorganic Analyses, July 1998. COMPLIANCE ANALYTE LIST(S) (check all that apply) NC Closed Facility List (.500 Rules) NC C & D List (New Rules) X NC Appendix I NC Appendix I + Detects NC Appendix II NC Subtitle D Leachate List Other: 1.0 CHAIN OF CUSTODY (COC) REVIEW DC COC was properly signed by all parties. DC Correct project name and number are on the form. • Report lists 20140083.101 as protect number should be 20140083.100 DC Sample receipt condition at laboratory was acceptable. DC Each sample and blank submitted for analysis appears in the report. 2.0 SAMPLE HOLDING TIMES DC Holding times for extraction and/or analysis were met for each analytical GOLDER ASSOCIATES NC, INC. QUALITY ASSURANCE & QUALITY CONTROL LABORATORY DATA REVIEW Page 2 of 3 Method (see below for reference). %0 GOLDER Review Criteria Method Anal tes Holding Time SW-846 Method 8260 and 8011 VOCs 14 days SW-846 Methods 8270, 8080, 8081, 8082, and 8151 SVOCs, PCBs, pesticides and herbicides 7 days for extraction, 40 days from extraction for anal sis SW-846 Methods 6000 and 7000 Series Metals except mercury 6 months (no temperature requirements) SW-846 Method 7470 Mercury 28 days SW-846 Method 376.1 Sulfide 7 days SW-846 Method 9010 Cyanide 14 days EPA Method 300 Nitrate/Sulfate 48 hours/28 days EPA Method 405.1 BOD 48 hours EPA Method 410.4 COD 28 days EPA Method 365.4 Phosphorous 28 days 3.0 LABORATORY QUALITY CONTROL REVIEW DC Laboratory analyzed at least one internal blank for each method, where applicable. DC Laboratory blank is interference -free. DC Surrogate recoveries are provided for each analytical method, where applicable. DC Surrogate recoveries for each method are within the acceptable limits (i.e., at least 50% of the surrogates were within range). DC MS/MSD/LCS data results are provided for each analytical method. DC MS/MSD/LCS recoveries for each method are within the acceptable limits (i.e., at least 1 of the 3 were within range). 4.0 ANALYTE LISTS/METHODS DC The proper number of constituents are present for each analyte list as identified above (including detects where applicable). DC Proper EPA SM 2540C-1997 analytical methods were used for analysis. 5.0 DATA REPORTING DC All analytical reporting associated with the event was performed by the contracted lab. DC Trip, field and/or equipment, and laboratory blank results have all been reported. All detects for blanks are listed below by constituent. All laboratory method blanks, if any, have been `flagged' with a `B' where detected in other samples as appropriate and a laboratory narrative was provided. If the sample was flagged by the laboratory and is not within 5X of the concentration in the blank (or 1 OX for commonly detected laboratory contaminants -acetone, methylene chloride and phthalates), list below with GOLDER ASSOCIATES NC, INC. � G O L D E R QUALITY ASSURANCE & QUALITY CONTROL LABORATORY DATA REVIEW Page 3 of 3 explanation if flags should be removed. If flags need to be added for samples, also list below. ➢ Field Blank: • Copper @ 1.95 ug/L (J) -Add B flags to MW-1, MW-7, MW-9, Mw-11, MW-12, MW-13, MW-16, MW-20, MW-23, MW-23A, MW-24R, MW-25, MW-27, MW-28R, French Drain, SW-1, SW-2 • Silver @ 2.17 ug/L (J) - MW-23A, MW-24, MW-25, Y Trip Blank: • Methylene Chloride @ 1.2 ug/L - none DC It is clear from the laboratory report that samples have or have not been diluted during analysis, and if the samples have been diluted, the result is reported as a multiple of the dilution (e.g., a sample diluted 1 Ox resulting in an analytical detection of 1.0 should be reported as 10). Those that have been diluted are listed below with the dilution factor. ➢ Antimony and Thallium (2x) all samples DC The report provides the reporting limit for each constituent. DC The results were reported at or below their proper reporting limits (i.e., MDLs with SWSLs reported). Those that are not reported correctly are listed below (by constituent) with the proper reporting limit listed beside them. State if the reporting limit error is due to dilutions. DC No organic or organic constituents were reported above their respective NC 2L Drinking Water Standards/GWPS in wells, or field/equipment/trip blanks, or above applicable surface water standards in surface water points. NC 2L/GWPS/MCL/IMAC Exceedances Cobalt (NC 2L IMAC = 1 ug/L) • MWA @ 2.01 ug/L (J) • MW-20 @ 4.50 ug/L (J) • MW-28R @ 2.97 ug/L (J) ➢ Vanadium (NC 2L IMAC = 0.3 ug/L) • MW-9 @ 2.44 ug/L (J) • MWA 1 @ 3.62 ug/L (J) • MWA3 @ 2.39 ug/L (J) • MW-25 @ 7.97 ug/L (J) • MW-23A @ 5.08 ug/L (J) Copper (SW Standard Chronic = 7 ug/L) (Acute = 7.39 @ SW-2, 4.59 @ SW-4) • SW-2 @ 5.21 ug/L (J) acute DC No inorganic or organic constituents were detected in a well or surface water point at quantified concentrations outside of their historical range (more than 5X previous concentrations or first-time detections). • Tetrachloroethene in MW-7 @ 0.54 (J) first time detect DC Other report issues/Communications with laboratory/etc.: y Methylene Chloride, a common laboratory contaminant, was detected in the 8260 D Trip Blank; however, this analyte was not detected in the associated samples, reducing the impact of the deviation. 2�SQ pCCgF ENCO Laboratories 9e0 Accurate. Timely. Responsive. Innovative. 102-A Woodwinds Industrial Court Cary NC, 27511 Phone: 919.467.3090 FAX: 919.467.3515 Monday, August 24, 2020 Golder Associates, Inc. (G0007) Attn: Darren Cox 5B Oak Branch Drive Greensboro, NC 27407 RE: Laboratory Results for Project Number: 201400830.101, Project Name/Desc: Rowan County Active Landfills - Ind. Parameters ENCO Workorder(s): CD10013 Dear Darren Cox, Enclosed is a copy of your laboratory report for test samples received by our laboratory on Thursday, August 13, 2020. Unless otherwise noted in an attached project narrative, all samples were received in acceptable condition and processed in accordance with the referenced methods/procedures. Results for these procedures apply only to the samples as submitted. The analytical results contained in this report are in compliance with NELAC standards, except as noted in the project narrative if applicable. This report shall not be reproduced except in full, without the written approval of the Laboratory. This report contains only those analyses performed by Environmental Conservation Laboratories. Unless otherwise noted, all analyses were performed at ENCO Cary. Data from outside organizations will be reported under separate cover. If you have any questions or require further information, please do not hesitate to contact me. Sincerely, Amanda L. Gaines Project Manager Enclosure(s) FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 1 of LJ (� �Eo www.encolabs.com PROJECT NARRATIVE Date: August 24, 2020 Client: Golder Associates, Inc. (G0007) Project: Rowan County Active Landfills - Ind. Parameters Lab ID: CD10013 Overview Environmental Conservation Laboratories, Inc. (ENCO) analyzed all submitted samples in accordance with the methods referenced in the laboratory report. Any particular difficulties encountered during sample handling by ENCO are discussed in the QC Remarks section below. Quality Control Samples The spike recovery of Alkalinity was outside the control limits for the MS and /or MSD samples. The QC batch was approved based on acceptable LCS recovery of this analyte. Quality Control Remarks No Comments Other Comments All samples received under this work order arrived in acceptable conditions. The samples were not checked for residual chlorine, as it is not required. The analytical data presented in this report are consistent with the methods as referenced in the analytical report. Any exceptions or deviations are noted in the QC remarks section of this narrative or in the Flags/Notes and Definitions section of the report. Released By: Environmental Conservation Laboratories, Inc. Amanda Gaines Project Manager FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 2 of 25 (� �Eo www.encolabs.com SAMPLE SUMMARY/LABORATORY CHRONICLE Client ID: 8003-MW37 Lab ID: CD10013-01 Sampled: 08/10/20 14:34 Received: 08/13/20 13:12 Parameter Preparation Hold Date/Time(s) Prep Date/Time(s) Analysis Date/Time(s) EPA 300.0 NO PREP 09/07/20 08/14/20 13:08 08/14/20 22:14 EPA 310.2 NO PREP 08/24/20 08/14/20 08:40 08/14/20 10:58 EPA 6010D EPA 3005A 02/06/21 08/14/20 13:14 08/19/20 11:00 EPA 6020B EPA 3005A 02/06/21 08/15/20 10:02 08/21/20 06:05 EPA 7470A EPA 7470A 09/07/20 08/17/20 12:04 08/18/20 13:00 EPA 8260D EPA 5030B_MS 08/24/20 08/17/20 00:00 08/17/20 19:02 EPA 8260D EPA 5030B_MIS 08/24/20 08/17/20 13:31 08/18/20 02:40 SM 254OC-2011 NO PREP 08/17/20 08/17/20 17:24 08/17/20 17:24 Client ID: 8003-MW18R Lab ID: CD10013-02 Sampled: 08/10/20 16:02 Received: 08/13/20 13:12 Parameter Preparation Hold Date/Time(s) Prep Date/Time(s) Analysis Date/Time(s) EPA 300.0 NO PREP 09/07/20 08/14/20 13:08 08/14/20 22:32 EPA 310.2 NO PREP 08/24/20 08/14/20 08:40 08/14/20 11:00 EPA 6010D EPA 3005A 02/06/21 08/14/20 13:14 08/19/20 11:02 EPA 6020B EPA 3005A 02/06/21 08/15/20 10:02 08/21/20 06:09 EPA 7470A EPA 7470A 09/07/20 08/17/20 12:04 08/18/20 13:03 EPA 8260D EPA 503013_MS 08/24/20 08/17/20 00:00 08/17/20 19:27 EPA 8260D EPA 503013_MS 08/24/20 08/17/20 13:31 08/18/20 03:10 SM 254OC-2011 NO PREP 08/17/20 08/17/20 17:24 08/17/20 17:24 Client ID: 8003-MW19 Lab ID: CD10013-03 Sampled: 08/11/20 15:25 Received: 08/13/20 13:12 Parameter Preparation Hold Date/Time(s) Prep Date/Time(s) Analysis Date/Time(s) EPA 300.0 NO PREP 09/08/20 08/14/20 13:08 08/14/20 22:50 EPA 310.2 NO PREP 08/25/20 08/14/20 08:40 08/14/20 11:00 EPA 6010D EPA 3005A 02/07/21 08/14/20 13:14 08/19/20 11:11 EPA 6020B EPA 3005A 02/07/21 08/15/20 10:02 08/21/20 06:22 EPA 7470A EPA 7470A 09/08/20 08/17/20 12:04 08/18/20 13:05 EPA 8260D EPA 503013_MS 08/25/20 08/17/20 00:00 08/17/20 19:53 EPA 8260D EPA 503013_MS 08/25/20 08/17/20 13:31 08/18/20 03:40 SM 254OC-2011 NO PREP 08/18/20 08/17/20 17:24 08/17/20 17:24 FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 3 Of 25 (� �Eo www.encolabs.com SAMPLE DETECTION SUMMARY Client ID: 8003-MW37 Lab ID: CD10013-01 Analvte Results Flag MDL PQL Units Method Notes Barium - Total 25.3 1.10 10.0 ug/L EPA 6010D Chloride 3600 J 2200 5000 ug/L EPA 300.0 Copper - Total 2.45 J 1.60 10.0 ug/L EPA 6010D Iron - Total 81.8 22.0 50.0 ug/L EPA 6010D Manganese - Total 25.4 1.50 10.0 ug/L EPA 6010D Silver - Total 2.49 J 1.90 10.0 ug/L EPA 6010D Total Alkalinity as CaCO3 16000 14000 15000 ug/L EPA 310.2 Client ID: 8003-MW18R Lab ID: CD10013-02 Analvte Results Flag MDL PQL Units Method Notes 1,4-Dioxane 15 0.80 2.0 ug/L EPA 8260D Barium - Total 115 1.10 10.0 ug/L EPA 6010D Benzene 1.1 0.15 1.0 ug/L EPA 8260D Chloride 71000 D 4400 10000 ug/L EPA 300.0 Chromium - Total 2.57 J 1.40 10.0 ug/L EPA 6010D Cobalt - Total 2.72 J 1.40 10.0 ug/L EPA 6010D Iron - Total 3550 22.0 50.0 ug/L EPA 6010D Manganese - Total 1120 1.50 10.0 ug/L EPA 6010D Silver - Total 2.43 J 1.90 10.0 ug/L EPA 6010D Sulfate as SO4 100000 D 5800 10000 ug/L EPA 300.0 Tetrahydrofuran 4.5 0.53 1.0 ug/L EPA 8260D Thallium - Total 0.390 J 0.220 2.00 ug/L EPA 6020E Total Alkalinity as CaCO3 150000 14000 15000 ug/L EPA 310.2 Total Dissolved Solids 410000 50000 50000 ug/L SM 2540C-2011 Client ID: 8003-MW39 Lab ID: CD10013-03 Analvte Results Flag MDL PQL Units Method Notes 1,4-Dioxane 29 0.80 2.0 ug/L EPA 8260D Barium - Total 160 1.10 10.0 ug/L EPA 6010D Benzene 5.8 0.15 1.0 ug/L EPA 8260D Chloride 43000 2200 5000 ug/L EPA 300.0 Chromium - Total 1.53 J 1.40 10.0 ug/L EPA 6010D Cobalt - Total 19.6 1.40 10.0 ug/L EPA 6010D Iron - Total 20600 22.0 50.0 ug/L EPA 6010D Manganese - Total 2860 1.50 10.0 ug/L EPA 6010D Sulfate as SO4 7300 2900 5000 ug/L EPA 300.0 Thallium - Total 0.229 J 0.220 2.00 ug/L EPA 6020E Total Alkalinity as CaCO3 110000 14000 15000 ug/L EPA 310.2 Total Dissolved Solids 160000 50000 50000 ug/L SM 2540C-2011 Zinc - Total 4.50 J 4.40 10.0 ug/L EPA 6010D FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 4 Of 25 (� �Eo www.encolabs.com ANALYTICAL RESULTS Description: 8003-MW17 Lab Sample ID:CD10013-01 Received: 08/13/20 13:12 Matrix: Ground Water Sampled:08/10/20 14:34 Work Order: CD10013 Project: Rowan County Active Landfills - Ind. Sampled By:Travis Martinez Volatile Organic Compounds by GCMS ^ - ENCO Cary certified analyte [NC 591] Analyte ICAS Numberl Results Flag Units DF MDL P L Batch Method Analyzed By Notes 1,1,1,2-Tetrachloroethane [630-20-6]^ 0.17 U ug/L 1 0.17 1.0 OH17031 EPA 8260D 08/18/20 02:40 REF 1,1,1-Trichloroethane [71-55-6]^ 0.12 U ug/L 1 0.12 1.0 OH17031 EPA 8260D 08/18/20 02:40 REF 1,1,2,2-Tetrachloroethane [79-34-5]^ 0.28 U ug/L 1 0.28 1.0 OH17031 EPA 8260D 08/18/20 02:40 REF 1,1,2-Trichloroethane [79-00-5]^ 0.14 U ug/L 1 0.14 1.0 OH17031 EPA 8260D 08/18/20 02:40 REF 1,1-Dichloroethane [75-34-3]^ 0.13 U ug/L 1 0.13 1.0 OH17031 EPA 8260D 08/18/20 02:40 REF 1,1-Dichloroethene [75-35-4]^ 0.21 U ug/L 1 0.21 1.0 OH17031 EPA 8260D 08/18/20 02:40 REF 1,2,3-Trichloropropane [96-18-4]^ 0.23 U ug/L 1 0.23 1.0 OH17031 EPA 8260D 08/18/20 02:40 REF 1,2-Dibromo-3-chloropropane [96-12-8]^ 0.48 U ug/L 1 0.48 1.0 OH17031 EPA 8260D 08/18/20 02:40 REF 1,2-Dibromoethane [106-93-4]^ 0.66 U ug/L 1 0.66 1.0 OH17031 EPA 8260D 08/18/20 02:40 REF 1,2-Dichlorobenzene [95-50-1]^ 0.19 U ug/L 1 0.19 1.0 OH17031 EPA 8260D 08/18/20 02:40 REF 1,2-Dichloroethane [107-06-2]^ 0.21 U ug/L 1 0.21 1.0 OH17031 EPA 8260D 08/18/20 02:40 REF 1,2-Dichloropropane [78-87-5]^ 0.10 U ug/L 1 0.10 1.0 OH17031 EPA 8260D 08/18/20 02:40 REF 1,4-Dichlorobenzene [106-46-7]^ 0.19 U ug/L 1 0.19 1.0 OH17031 EPA 8260D 08/18/20 02:40 REF 2-Butanone [78-93-3]^ 1.3 U ug/L 1 1.3 5.0 OH17031 EPA 8260D 08/18/20 02:40 REF 2-Hexanone [591-78-6]^ 0.88 U ug/L 1 0.88 5.0 OH17031 EPA 8260D 08/18/20 02:40 REF 4-Methyl-2-pentanone [108-10-1]^ 1.1 U ug/L 1 1.1 5.0 OH17031 EPA 8260D 08/18/20 02:40 REF Acetone [67-64-1]^ 10 U ug/L 1 10 20 OH17031 EPA 8260D 08/18/20 02:40 REF Acrylonitrile [107-13-1]^ 3.5 U ug/L 1 3.5 10 OH17031 EPA 8260D 08/18/20 02:40 REF Benzene [71-43-2]^ 0.15 U ug/L 1 0.15 1.0 OH17031 EPA 8260D 08/18/20 02:40 REF Bromochloromethane [74-97-5]^ 0.48 U ug/L 1 0.48 1.0 OH17031 EPA 8260D 08/18/20 02:40 REF Bromodichloromethane [75-27-4]^ 0.17 U ug/L 1 0.17 1.0 OH17031 EPA 8260D 08/18/20 02:40 REF Bromoform [75-25-2]^ 0.22 U ug/L 1 0.22 1.0 OH17031 EPA 8260D 08/18/20 02:40 REF Bromomethane [74-83-9]^ 0.14 U ug/L 1 0.14 1.0 OH17031 EPA 8260D 08/18/20 02:40 REF Carbon disulfide [75-15-O]^ 1.5 U ug/L 1 1.5 5.0 OH17031 EPA 8260D 08/18/20 02:40 REF Carbon tetrachloride [56-23-5]^ 0.17 U ug/L 1 0.17 1.0 OH17031 EPA 8260D 08/18/20 02:40 REF Chlorobenzene [108-90-7]^ 0.17 U ug/L 1 0.17 1.0 OH17031 EPA 8260D 08/18/20 02:40 REF Chloroethane [75-00-3]^ 0.23 U ug/L 1 0.23 1.0 OH17031 EPA 8260D 08/18/20 02:40 REF Chloroform [67-66-3]^ 0.18 U ug/L 1 0.18 1.0 OH17031 EPA 8260D 08/18/20 02:40 REF Chloromethane [74-87-3]^ 0.13 U ug/L 1 0.13 1.0 OH17031 EPA 8260D 08/18/20 02:40 REF cis- 1,2-Dichloroethene [156-59-2]^ 0.15 U ug/L 1 0.15 1.0 OH17031 EPA 8260D 08/18/20 02:40 REF cis- 1,3-Dichloropropene [10061-01-5]^ 0.20 U ug/L 1 0.20 1.0 OH17031 EPA 8260D 08/18/20 02:40 REF Dibromochloromethane [124-48-1]^ 0.17 U ug/L 1 0.17 1.0 OH17031 EPA 8260D 08/18/20 02:40 REF Dibromomethane [74-95-3]^ 0.27 U ug/L 1 0.27 1.0 OH17031 EPA 8260D 08/18/20 02:40 REF Ethylbenzene [100-41-4]^ 0.13 U ug/L 1 0.13 1.0 OH17031 EPA 8260D 08/18/20 02:40 REF Iodomethane [74-88-4]^ 1.7 U ug/L 1 1.7 5.0 OH17031 EPA 8260D 08/18/20 02:40 REF Methylene chloride [75-09-2]^ 0.23 U ug/L 1 0.23 1.0 OH17031 EPA 8260D 08/18/20 02:40 REF Styrene [100-42-5]^ 0.11 U ug/L 1 0.11 1.0 OH17031 EPA 8260D 08/18/20 02:40 REF Tetrachloroethene [127-18-4]^ 0.17 U ug/L 1 0.17 1.0 OH17031 EPA 8260D 08/18/20 02:40 REF Tetrahydrofuran [109-99-9]^ 0.53 U ug/L 1 0.53 1.0 OH17031 EPA 8260D 08/18/20 02:40 REF Toluene [108-88-3]^ 0.14 U ug/L 1 0.14 1.0 OH17031 EPA 8260D 08/18/20 02:40 REF trans-1,2-Dichloroethene [156-60-5]^ 0.21 U ug/L 1 0.21 1.0 OH17031 EPA 8260D 08/18/20 02:40 REF trans-1,3-Dichloropropene [10061-02-6]^ 0.15 U ug/L 1 0.15 1.0 OH17031 EPA 8260D 08/18/20 02:40 REF trans-1,4-Dichloro-2-butene [110-57-6]^ 0.70 U ug/L 1 0.70 1.0 OH17031 EPA 8260D 08/18/20 02:40 REF Trichloroethene [79-01-6]^ 0.15 U ug/L 1 0.15 1.0 OH17031 EPA 8260D 08/18/20 02:40 REF Trichlorofluoromethane [75-69-4]^ 0.24 U ug/L 1 0.24 1.0 OH17031 EPA 8260D 08/18/20 02:40 REF Vinyl acetate [108-05-4]^ 0.95 U ug/L 1 0.95 5.0 OH17031 EPA 8260D 08/18/20 02:40 REF A-07 FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 5 Of 25 (� �Eo www.encolabs.com ANALYTICAL RESULTS Description: 8003-MW17 Lab Sample ID:CD10013-01 Received: 08/13/20 13:12 Matrix: Ground Water Sampled:08/10/20 14:34 Work Order: CD10013 Project: Rowan County Active Landfills - Ind. Sampled By:Travis Martinez Volatile Organic Compounds by GCMS ^ - ENCO Cary certified analyte [NC 591] Analyte rCAS Numberl Results Flag Units DF MDL P L Batch Method Analyzed By Notes Vinyl chloride [75-01-4]^ 0.32 U ug/L 1 0.32 1.0 OH17031 EPA 8260D 08/18/20 02:40 REF Xylenes (Total) [1330-20-7]^ 0.45 U ug/L 1 0.45 3.0 OH17031 EPA 8260D 08/18/20 02:40 REF Surrogates Results DF Soike Lv/ % Rec % Rec Limits Batch Method Ana/vzed ffy Notes 4-Bromofluorobenzene 41 1 50.0 81 % 53-136 OH17031 EPA 8260D 08118120 02:40 REF Dlbromofluoromethane 46 1 50.0 93 % 67-129 OH17031 EPA 6260D 08118120 02:40 REF Toluene-d8 42 1 50.0 83 % 59-134 OH17031 EPA 8260D 08118120 02:40 REF Metals by EPA 6000/7000 Series Methods ^ - ENCO Cary certified analyte [NC 591] Analvte rCAS Numberl Results Flag Units DF MDL POLL Batch Method Analyzed By Notes Mercury [7439-97-6]^ 0.150 U ug/L 1 0.150 0.200 OH17022 EPA 7470A 08/18/20 13:00 KAH Metals (total recoverable) by EPA 6000/7000 Series Methods ^ - ENCO Cary certified analyte [NC 591] Analvte rCAS Numberl Results Flag Units DF MDL POLL Batch Method Analyzed By Notes Antimony [7440-36-0]^ 0.740 U ug/L 2 0.740 2.00 OH15002 EPA 6020B 08/21/20 06:05 RLF Arsenic[7440-38-2]^ 7.60 U ug/L 1 7.60 10.0 OH14039 EPA 6010D 08/19/20 11:00 JDH Barium [7440-39-3]^ 25.3 ug/L 1 1.10 10.0 OH14039 EPA 6010D 08/19/20 11:00 JDH Beryllium [7440-41-7]^ 0.160 U ug/L 1 0.160 1.00 OH14039 EPA 6010D 08/19/20 11:00 JDH Cadmium [7440-43-9]^ 0.360 U ug/L 1 0.360 1.00 OH14039 EPA 6010D 08/19/20 11:00 JDH Chromium [7440-47-3]^ 1.40 U ug/L 1 1.40 10.0 OH14039 EPA 6010D 08/19/20 11:00 JDH Cobalt [7440-48-4]^ 1.40 U ug/L 1 1.40 10.0 OH14039 EPA 6010D 08/19/20 11:00 JDH Copper[7440-50-8]^ 2.45 J ug/L 1 1.60 10.0 OH14039 EPA 6010D 08/19/20 11:00 JDH Iron [7439-89-6]^ 81.8 ug/L 1 22.0 50.0 OH14039 EPA 6010D 08/19/20 11:00 JDH Lead [7439-92-1]^ 3.10 U ug/L 1 3.10 10.0 OH14039 EPA 6010D 08/19/20 11:00 JDH Manganese [7439-96-5]^ 25.4 ug/L 1 1.50 10.0 OH14039 EPA 6010D 08/19/20 11:00 JDH Nickel[7440-02-O]^ 2.20 U ug/L 1 2.20 10.0 OH14039 EPA 6010D 08/19/20 11:00 JDH Selenium [7782-49-2]^ 6.20 U ug/L 1 6.20 10.0 OH14039 EPA 6010D 08/19/20 11:00 JDH Silver[7440-22-4]^ 2.49 J ug/L 1 1.90 10.0 OH14039 EPA 6010D 08/19/20 11:00 JDH Thallium [7440-28-0]^ 0.220 U ug/L 2 0.220 2.00 OH15002 EPA 6020B 08/21/20 06:05 RLF Vanadium [7440-62-2]^ 1.40 U ug/L 1 1.40 10.0 OH14039 EPA 6010D 08/19/20 11:00 JDH Zinc[7440-66-6]^ 4.40 U ug/L 1 4.40 10.0 OH14039 EPA 6010D 08/19/20 11:00 JDH Classical Chemistry Parameters ^ - ENCO Cary certified analyte [NC 591] Analvte rCAS Numberl Results Flag Units DF MDL POLL Batch Method Analyzed Ay Notes Chloride [16887-00-6]^ 3600 J ug/L 1 2200 5000 OH14044 EPA 300.0 08/14/20 22:14 LJI Sulfate as SO4 [14808-79-8]^ 2900 U ug/L 1 2900 5000 OH14044 EPA 300.0 08/14/20 22:14 LJI Total Alkalinity as CaCO3 [471-34-1]^ 16000 ug/L 1 14000 15000 OH14019 EPA 310.2 08/14/20 10:58 JAH Total Dissolved Solids^ 50000 U ug/L 1 50000 50000 OH17018 SM 2540C-2011 08/17/20 17:24 DMJ FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 6 Of 25 (� �Eo www.encolabs.com ANALYTICAL RESULTS Description: 8003-MW17 Lab Sample ID:CD10013-01 Received: 08/13/20 13:12 Matrix: Ground Water Sampled:08/10/20 14:34 Work Order: CD10013 Project: Rowan County Active Landfills - Ind. Sampled By:Travis Martinez Volatile Organic Compounds by GCMS SIM Isotope Dilution ^ - ENCO Orlando certified analyte [NC 424] Analyte fCAS Numberl Results Flag Units DF MDL P L Batch Method Analyzed By Notes 1,4-Dioxane [123-91-1]A 0.80 U ug/L 1 0.80 2.0 OH17037 EPA 8260D 08/17/20 19:02 KKW Surrogates Results DF Soike Lv/ % Rec % Rec Limits Batch Method Ana/vzed ffy Notes Toluene-d8 5.1 1 5.00 103 % 75-125 OH17037 EPA 6260D 0811712019:02 KKW FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 7 Of 25 0Nk"q09 www.encolabs.com ANALYTICAL RESULTS Description: 8003-MW18R Lab Sample ID:CD10013-02 Received: 08/13/20 13:12 Matrix: Ground Water Sampled:08/10/20 16:02 Work Order: CD10013 Project: Rowan County Active Landfills - Ind. Sampled By:Travis Martinez Volatile Organic Compounds by GCMS ^ - ENCO Cary certified analyte [NC 5911 Analyte rCAS Numberl Results Flan Units DF MDL I'Q Batch Method Analyzed By Notes 1,1,1,2-Tetrachloroethane [630-20-6]A 0.17 U ug/L 1 0.17 1.0 OH17031 EPA 8260D 08/18/20 03:10 REF 1,1,1-Trichloroethane [71-55-6]A 0.12 U ug/L 1 0.12 1.0 OH17031 EPA 8260D 08/18/20 03:10 REF 1,1,2,2-Tetrachloroethane [79-34-5]A 0.28 U ug/L 1 0.28 1.0 OH17031 EPA 8260D 08/18/20 03:10 REF 1,1,2-Trichloroethane [79-00-5]A 0.14 U ug/L 1 0.14 1.0 OH17031 EPA 8260D 08/18/20 03:10 REF 1,1-Dichloroethane [75-34-3]A 0.13 U ug/L 1 0.13 1.0 OH17031 EPA 8260D 08/18/20 03:10 REF 1,1-Dichloroethene [75-35-4]A 0.21 U ug/L 1 0.21 1.0 OH17031 EPA 8260D 08/18/20 03:10 REF 1,2,3-Trichloropropane [96-18-4]A 0.23 U ug/L 1 0.23 1.0 OH17031 EPA 8260D 08/18/20 03:10 REF 1,2-Dibromo-3-chloropropane [96-12-8]A 0.48 U ug/L 1 0.48 1.0 OH17031 EPA 8260D 08/18/20 03:10 REF 1,2-Dibromoethane [106-93-4]A 0.66 U ug/L 1 0.66 1.0 OH17031 EPA 8260D 08/18/20 03:10 REF 1,2-Dichlorobenzene [95-50-1]A 0.19 U ug/L 1 0.19 1.0 OH17031 EPA 8260D 08/18/20 03:10 REF 1,2-Dichloroethane [107-06-2]A 0.21 U ug/L 1 0.21 1.0 OH17031 EPA 8260D 08/18/20 03:10 REF 1,2-Dichloropropane [78-87-5]A 0.10 U ug/L 1 0.10 1.0 OH17031 EPA 8260D 08/18/20 03:10 REF 1,4-Dichlorobenzene [106-46-7]A 0.19 U ug/L 1 0.19 1.0 OH17031 EPA 8260D 08/18/20 03:10 REF 2-Butanone [78-93-3]A 1.3 U ug/L 1 1.3 5.0 OH17031 EPA 8260D 08/18/20 03:10 REF 2-Hexanone [591-78-6]A 0.88 U ug/L 1 0.88 5.0 OH17031 EPA 8260D 08/18/20 03:10 REF 4-Methyl-2-pentanone [108-10-1]A 1.1 U ug/L 1 1.1 5.0 OH17031 EPA 8260D 08/18/20 03:10 REF Acetone [67-64-1]A 10 U ug/L 1 10 20 OH17031 EPA 8260D 08/18/20 03:10 REF Acrylonitrile [107-13-1]A 3.5 U ug/L 1 3.5 10 OH17031 EPA 8260D 08/18/20 03:10 REF Benzene [71-43-2]A 1.1 ug/L 1 0.15 1.0 OH17031 EPA 8260D 08/18/20 03:10 REF Bromochloromethane [74-97-5]A 0.48 U ug/L 1 0.48 1.0 OH17031 EPA 8260D 08/18/20 03:10 REF Bromodichloromethane [75-27-4]A 0.17 U ug/L 1 0.17 1.0 OH17031 EPA 8260D 08/18/20 03:10 REF Bromoform [75-25-2]A 0.22 U ug/L 1 0.22 1.0 OH17031 EPA 8260D 08/18/20 03:10 REF Bromomethane [74-83-9]A 0.14 U ug/L 1 0.14 1.0 OH17031 EPA 8260D 08/18/20 03:10 REF Carbon disulfide [75-15-0]A 1.5 U ug/L 1 1.5 5.0 OH17031 EPA 8260D 08/18/20 03:10 REF Carbon tetrachloride [56-23-5]A 0.17 U ug/L 1 0.17 1.0 OH17031 EPA 8260D 08/18/20 03:10 REF Chlorobenzene [108-90-7]A 0.17 U ug/L 1 0.17 1.0 OH17031 EPA 8260D 08/18/20 03:10 REF Chloroethane [75-00-3]A 0.23 U ug/L 1 0.23 1.0 OH17031 EPA 8260D 08/18/20 03:10 REF Chloroform [67-66-3]A 0.18 U ug/L 1 0.18 1.0 OH17031 EPA 8260D 08/18/20 03:10 REF Chloromethane [74-87-3]A 0.13 U ug/L 1 0.13 1.0 OH17031 EPA 8260D 08/18/20 03:10 REF cis-1,2-Dichloroethene [156-59-2]A 0.15 U ug/L 1 0.15 1.0 OH17031 EPA 8260D 08/18/20 03:10 REF cis-1,3-Dichloropropene [10061-01-5]A 0.20 U ug/L 1 0.20 1.0 OH17031 EPA 8260D 08/18/20 03:10 REF Dibromochloromethane [124-48-1]A 0.17 U ug/L 1 0.17 1.0 OH17031 EPA 8260D 08/18/20 03:10 REF Dibromomethane [74-95-3]A 0.27 U ug/L 1 0.27 1.0 OH17031 EPA 8260D 08/18/20 03:10 REF Ethylbenzene [100-41-4]A 0.13 U ug/L 1 0.13 1.0 OH17031 EPA 8260D 08/18/20 03:10 REF Iodomethane [74-88-4]A 1.7 U ug/L 1 1.7 5.0 OH17031 EPA 8260D 08/18/20 03:10 REF Methylene chloride [75-09-2]A 0.23 U ug/L 1 0.23 1.0 OH17031 EPA 8260D 08/18/20 03:10 REF Styrene [100-42-5]A 0.11 U ug/L 1 0.11 1.0 OH17031 EPA 8260D 08/18/20 03:10 REF Tetrachloroethene [127-18-4]A 0.17 U ug/L 1 0.17 1.0 OH17031 EPA 8260D 08/18/20 03:10 REF Tetrahydrofuran [109-99-9]A 4.5 ug/L 1 0.53 1.0 OH17031 EPA 8260D 08/18/20 03:10 REF Toluene [108-88-3]A 0.14 U ug/L 1 0.14 1.0 OH17031 EPA 8260D 08/18/20 03:10 REF trans-1,2-Dichloroethene [156-60-5]A 0.21 U ug/L 1 0.21 1.0 OH17031 EPA 8260D 08/18/20 03:10 REF trans-1,3-Dichloropropene [10061-02-6]A 0.15 U ug/L 1 0.15 1.0 OH17031 EPA 8260D 08/18/20 03:10 REF trans-1,4-Dichloro-2-butene [110-57-6]A 0.70 U ug/L 1 0.70 1.0 OH17031 EPA 8260D 08/18/20 03:10 REF Trichloroethene [79-01-6]A 0.15 U ug/L 1 0.15 1.0 OH17031 EPA 8260D 08/18/20 03:10 REF Trichlorofluoromethane [75-69-4]A 0.24 U ug/L 1 0.24 1.0 OH17031 EPA 8260D 08/18/20 03:10 REF Vinyl acetate [108-05-4]A 0.95 U ug/L 1 0.95 5.0 OH17031 EPA 8260D 08/18/20 03:10 REF A-07 FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 8 Of 25 (� �Eo www.encolabs.com ANALYTICAL RESULTS Description: 8003-MW18R Lab Sample ID:CD10013-02 Received: 08/13/20 13:12 Matrix: Ground Water Sampled:08/10/20 16:02 Work Order: CD10013 Project: Rowan County Active Landfills - Ind. Sampled By:Travis Martinez Volatile Organic Compounds by GCMS ^ - ENCO Cary certified analyte [NC 591] Analyte rCAS Numberl Results Flag Units DF MDL P L Batch Method Analyzed By Notes Vinyl chloride [75-01-4]^ 0.32 U ug/L 1 0.32 1.0 OH17031 EPA 8260D 08/18/20 03:10 REF Xylenes (Total) [1330-20-7]^ 0.45 U ug/L 1 0.45 3.0 OH17031 EPA 8260D 08/18/20 03:10 REF Surrogates Results DF Soike Lv/ % Rec % Rec Limits Batch Method Ana/vzed ffy Notes 4-Bromofluorobenzene 41 1 50.0 82 % 53-136 OH17031 EPA 8260D 08118120 03:10 REF Dlbromofluoromethane 45 1 50.0 90 % 67-129 OH17031 EPA 6260D 08118120 03:10 REF Toluene-d8 41 1 50.0 81 % 59-134 OH17031 EPA 6260D 08118120 03:10 REF Metals by EPA 6000/7000 Series Methods ^ - ENCO Cary certified analyte [NC 591] Analvte rCAS Numberl Results Flag Units DF MDL POLL Batch Method Analyzed By Notes Mercury [7439-97-6]^ 0.150 U ug/L 1 0.150 0.200 OH17022 EPA 7470A 08/18/20 13:03 KAH Metals (total recoverable) by EPA 6000/7000 Series Methods ^ - ENCO Cary certified analyte [NC 591] Analvte rCAS Numberl Results Flag Units DF MDL POLL Batch Method Analyzed By Notes Antimony [7440-36-0]^ 0.740 U ug/L 2 0.740 2.00 OH15002 EPA 6020B 08/21/20 06:09 RLF Arsenic[7440-38-2]^ 7.60 U ug/L 1 7.60 10.0 OH14039 EPA 6010D 08/19/20 11:02 JDH Barium [7440-39-3]^ 115 ug/L 1 1.10 10.0 OH14039 EPA 6010D 08/19/20 11:02 JDH Beryllium [7440-41-7]^ 0.160 U ug/L 1 0.160 1.00 OH14039 EPA 6010D 08/19/20 11:02 JDH Cadmium [7440-43-9]^ 0.360 U ug/L 1 0.360 1.00 OH14039 EPA 6010D 08/19/20 11:02 JDH Chromium [7440-47-3]^ 2.57 J ug/L 1 1.40 10.0 OH14039 EPA 6010D 08/19/20 11:02 JDH Cobalt[7440-48-4]^ 2.72 J ug/L 1 1.40 10.0 OH14039 EPA 6010D 08/19/20 11:02 JDH Copper[7440-50-8]^ 1.60 U ug/L 1 1.60 10.0 OH14039 EPA 6010D 08/19/20 11:02 JDH Iron [7439-89-6]^ 3550 ug/L 1 22.0 50.0 OH14039 EPA 6010D 08/19/20 11:02 JDH Lead [7439-92-1]^ 3.10 U ug/L 1 3.10 10.0 OH14039 EPA 6010D 08/19/20 11:02 JDH Manganese [7439-96-5]^ 1120 ug/L 1 1.50 10.0 OH14039 EPA 6010D 08/19/20 11:02 JDH Nickel[7440-02-O]^ 2.20 U ug/L 1 2.20 10.0 OH14039 EPA 6010D 08/19/20 11:02 JDH Selenium [7782-49-2]^ 6.20 U ug/L 1 6.20 10.0 OH14039 EPA 6010D 08/19/20 11:02 JDH Silver[7440-22-4]^ 2.43 J ug/L 1 1.90 10.0 OH14039 EPA 6010D 08/19/20 11:02 JDH Thallium [7440-28-O]^ 0.390 J ug/L 2 0.220 2.00 OH15002 EPA 6020B 08/21/20 06:09 RLF Vanadium [7440-62-2]^ 1.40 U ug/L 1 1.40 10.0 OH14039 EPA 6010D 08/19/20 11:02 JDH Zinc[7440-66-6]^ 4.40 U ug/L 1 4.40 10.0 OH14039 EPA 6010D 08/19/20 11:02 JDH Classical Chemistry Parameters ^ - ENCO Cary certified analyte [NC 591] Analvte rCAS Numberl Results Flag Units DF MDL POLL Batch Method Analyzed Ay Notes Chloride [16887-00-6]^ 71000 D ug/L 2 4400 10000 OH14044 EPA 300.0 08/14/20 22:32 LJI Sulfate as SO4 [14808-79-8]^ 100000 D ug/L 2 5800 10000 OH14044 EPA 300.0 08/14/20 22:32 LJI Total Alkalinity as CaCO3 [471-34-1]^ 150000 ug/L 1 14000 15000 OH14019 EPA 310.2 08/14/20 11:00 JAH Total Dissolved Solids^ 410000 ug/L 1 50000 50000 OH17018 SM 2540C-2011 08/17/20 17:24 DMJ FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 9 Of 25 (� �Eo www.encolabs.com ANALYTICAL RESULTS Description: 8003-MW18R Lab Sample ID:CD10013-02 Received: 08/13/20 13:12 Matrix: Ground Water Sampled:08/10/20 16:02 Work Order: CD10013 Project: Rowan County Active Landfills - Ind. Sampled By:Travis Martinez Volatile Organic Compounds by GCMS SIM Isotope Dilution ^ - ENCO Orlando certified analyte [NC 424] Analyte rCAS Numberl Results Flag Units DF MDL P L Batch Method Analyzed By Notes 1,4-Dioxane [123-91-1]A 15 ug/L 1 0.80 2.0 OH17037 EPA 8260D 08/17/20 19:27 KKW Surrogates Results DF Soike Lv/ % Rec % Rec Limits Batch Method Ana/vzed ffy Notes Toluene-d8 5.6 1 5.00 112 % 75-125 OH17037 EPA 6260D 0811712019:27 KKW FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 10 of 25 (� �Eo www.encolabs.com ANALYTICAL RESULTS Description: 8003-MW19 Lab Sample ID:CD10013-03 Received: 08/13/20 13:12 Matrix: Ground Water Sampled:08/11/20 15:25 Work Order: CD10013 Project: Rowan County Active Landfills - Ind. Sampled By:Travis Martinez Volatile Organic Compounds by GCMS ^ - ENCO Cary certified analyte [NC 591] Analyte ICAS Numberl Results Flag Units DF MDL P L Batch Method Analyzed By Notes 1,1,1,2-Tetrachloroethane [630-20-6]^ 0.17 U ug/L 1 0.17 1.0 OH17031 EPA 8260D 08/18/20 03:40 REF 1,1,1-Trichloroethane [71-55-6]^ 0.12 U ug/L 1 0.12 1.0 OH17031 EPA 8260D 08/18/20 03:40 REF 1,1,2,2-Tetrachloroethane [79-34-5]^ 0.28 U ug/L 1 0.28 1.0 OH17031 EPA 8260D 08/18/20 03:40 REF 1,1,2-Trichloroethane [79-00-5]^ 0.14 U ug/L 1 0.14 1.0 OH17031 EPA 8260D 08/18/20 03:40 REF 1,1-Dichloroethane [75-34-3]^ 0.13 U ug/L 1 0.13 1.0 OH17031 EPA 8260D 08/18/20 03:40 REF 1,1-Dichloroethene [75-35-4]^ 0.21 U ug/L 1 0.21 1.0 OH17031 EPA 8260D 08/18/20 03:40 REF 1,2,3-Trichloropropane [96-18-4]^ 0.23 U ug/L 1 0.23 1.0 OH17031 EPA 8260D 08/18/20 03:40 REF 1,2-Dibromo-3-chloropropane [96-12-8]^ 0.48 U ug/L 1 0.48 1.0 OH17031 EPA 8260D 08/18/20 03:40 REF 1,2-Dibromoethane [106-93-4]^ 0.66 U ug/L 1 0.66 1.0 OH17031 EPA 8260D 08/18/20 03:40 REF 1,2-Dichlorobenzene [95-50-1]^ 0.19 U ug/L 1 0.19 1.0 OH17031 EPA 8260D 08/18/20 03:40 REF 1,2-Dichloroethane [107-06-2]^ 0.21 U ug/L 1 0.21 1.0 OH17031 EPA 8260D 08/18/20 03:40 REF 1,2-Dichloropropane [78-87-5]^ 0.10 U ug/L 1 0.10 1.0 OH17031 EPA 8260D 08/18/20 03:40 REF 1,4-Dichlorobenzene [106-46-7]^ 0.19 U ug/L 1 0.19 1.0 OH17031 EPA 8260D 08/18/20 03:40 REF 2-Butanone [78-93-3]^ 1.3 U ug/L 1 1.3 5.0 OH17031 EPA 8260D 08/18/20 03:40 REF 2-Hexanone [591-78-6]^ 0.88 U ug/L 1 0.88 5.0 OH17031 EPA 8260D 08/18/20 03:40 REF 4-Methyl-2-pentanone [108-10-1]^ 1.1 U ug/L 1 1.1 5.0 OH17031 EPA 8260D 08/18/20 03:40 REF Acetone [67-64-1]^ 10 U ug/L 1 10 20 OH17031 EPA 8260D 08/18/20 03:40 REF Acrylonitrile [107-13-1]^ 3.5 U ug/L 1 3.5 10 OH17031 EPA 8260D 08/18/20 03:40 REF Benzene [71-43-2]^ 5.8 ug/L 1 0.15 1.0 OH17031 EPA 8260D 08/18/20 03:40 REF Bromochloromethane [74-97-5]^ 0.48 U ug/L 1 0.48 1.0 OH17031 EPA 8260D 08/18/20 03:40 REF Bromodichloromethane [75-27-4]^ 0.17 U ug/L 1 0.17 1.0 OH17031 EPA 8260D 08/18/20 03:40 REF Bromoform [75-25-2]^ 0.22 U ug/L 1 0.22 1.0 OH17031 EPA 8260D 08/18/20 03:40 REF Bromomethane [74-83-9]^ 0.14 U ug/L 1 0.14 1.0 OH17031 EPA 8260D 08/18/20 03:40 REF Carbon disulfide [75-15-O]^ 1.5 U ug/L 1 1.5 5.0 OH17031 EPA 8260D 08/18/20 03:40 REF Carbon tetrachloride [56-23-5]^ 0.17 U ug/L 1 0.17 1.0 OH17031 EPA 8260D 08/18/20 03:40 REF Chlorobenzene [108-90-7]^ 0.17 U ug/L 1 0.17 1.0 OH17031 EPA 8260D 08/18/20 03:40 REF Chloroethane [75-00-3]^ 0.23 U ug/L 1 0.23 1.0 OH17031 EPA 8260D 08/18/20 03:40 REF Chloroform [67-66-3]^ 0.18 U ug/L 1 0.18 1.0 OH17031 EPA 8260D 08/18/20 03:40 REF Chloromethane [74-87-3]^ 0.13 U ug/L 1 0.13 1.0 OH17031 EPA 8260D 08/18/20 03:40 REF cis- 1,2-Dichloroethene [156-59-2]^ 0.15 U ug/L 1 0.15 1.0 OH17031 EPA 8260D 08/18/20 03:40 REF cis- 1,3-Dichloropropene [10061-01-5]^ 0.20 U ug/L 1 0.20 1.0 OH17031 EPA 8260D 08/18/20 03:40 REF Dibromochloromethane [124-48-1]^ 0.17 U ug/L 1 0.17 1.0 OH17031 EPA 8260D 08/18/20 03:40 REF Dibromomethane [74-95-3]^ 0.27 U ug/L 1 0.27 1.0 OH17031 EPA 8260D 08/18/20 03:40 REF Ethylbenzene [100-41-4]^ 0.13 U ug/L 1 0.13 1.0 OH17031 EPA 8260D 08/18/20 03:40 REF Iodomethane [74-88-4]^ 1.7 U ug/L 1 1.7 5.0 OH17031 EPA 8260D 08/18/20 03:40 REF Methylene chloride [75-09-2]^ 0.23 U ug/L 1 0.23 1.0 OH17031 EPA 8260D 08/18/20 03:40 REF Styrene [100-42-5]^ 0.11 U ug/L 1 0.11 1.0 OH17031 EPA 8260D 08/18/20 03:40 REF Tetrachloroethene [127-18-4]^ 0.17 U ug/L 1 0.17 1.0 OH17031 EPA 8260D 08/18/20 03:40 REF Tetrahydrofuran [109-99-9]^ 0.53 U ug/L 1 0.53 1.0 OH17031 EPA 8260D 08/18/20 03:40 REF Toluene [108-88-3]^ 0.14 U ug/L 1 0.14 1.0 OH17031 EPA 8260D 08/18/20 03:40 REF trans-1,2-Dichloroethene [156-60-5]^ 0.21 U ug/L 1 0.21 1.0 OH17031 EPA 8260D 08/18/20 03:40 REF trans-1,3-Dichloropropene [10061-02-6]^ 0.15 U ug/L 1 0.15 1.0 OH17031 EPA 8260D 08/18/20 03:40 REF trans-1,4-Dichloro-2-butene [110-57-6]^ 0.70 U ug/L 1 0.70 1.0 OH17031 EPA 8260D 08/18/20 03:40 REF Trichloroethene [79-01-6]^ 0.15 U ug/L 1 0.15 1.0 OH17031 EPA 8260D 08/18/20 03:40 REF Trichlorofluoromethane [75-69-4]^ 0.24 U ug/L 1 0.24 1.0 OH17031 EPA 8260D 08/18/20 03:40 REF Vinyl acetate [108-05-4]^ 0.95 U ug/L 1 0.95 5.0 OH17031 EPA 8260D 08/18/20 03:40 REF A-07 FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 11 of 25 (� �Eo www.encolabs.com ANALYTICAL RESULTS Description: 8003-MW19 Lab Sample ID:CD10013-03 Received: 08/13/20 13:12 Matrix: Ground Water Sampled:08/11/20 15:25 Work Order: CD10013 Project: Rowan County Active Landfills - Ind. Sampled By:Travis Martinez Volatile Organic Compounds by GCMS ^ - ENCO Cary certified analyte [NC 591] Analyte rCAS Numberl Results Flag Units DF MDL P L Batch Method Analyzed By Notes Vinyl chloride [75-01-4]^ 0.32 U ug/L 1 0.32 1.0 OH17031 EPA 8260D 08/18/20 03:40 REF Xylenes (Total) [1330-20-7]^ 0.45 U ug/L 1 0.45 3.0 OH17031 EPA 8260D 08/18/20 03:40 REF Surrogates Results DF Soike Lv/ % Rec % Rec Limits Batch Method Ana/vzed ffy Notes 4-Bromofluorobenzene 40 1 50.0 81 % 53-136 OH17031 EPA 8260D 08118120 03:40 REF Dlbromofluoromethane 45 1 50.0 90 % 67-129 OH17031 EPA 6260D 08118120 03:40 REF Toluene-d8 41 1 50.0 82 % 59-134 OH17031 EPA 6260D 08118120 03:40 REF Metals by EPA 6000/7000 Series Methods ^ - ENCO Cary certified analyte [NC 591] Analyte rCAS Numberl Results Flag Units DF MDL POLL Batch Method Analyzed By Notes Mercury [7439-97-6]^ 0.150 U ug/L 1 0.150 0.200 OH17022 EPA 7470A 08/18/20 13:05 KAH Metals (total recoverable) by EPA 6000/7000 Series Methods ^ - ENCO Cary certified analyte [NC 591] Analyte rCAS Numberl Results Flag Units DF MDL POLL Batch Method Analyzed By Notes Antimony [7440-36-0]^ 0.740 U ug/L 2 0.740 2.00 OH15002 EPA 6020B 08/21/20 06:22 RLF Arsenic[7440-38-2]^ 7.60 U ug/L 1 7.60 10.0 OH14039 EPA 6010D 08/19/20 11:11 JDH Barium [7440-39-3]^ 160 ug/L 1 1.10 10.0 OH14039 EPA 6010D 08/19/20 11:11 JDH Beryllium [7440-41-7]^ 0.160 U ug/L 1 0.160 1.00 OH14039 EPA 6010D 08/19/20 11:11 JDH Cadmium [7440-43-9]^ 0.360 U ug/L 1 0.360 1.00 OH14039 EPA 6010D 08/19/20 11:11 JDH Chromium [7440-47-3]^ 1.53 J ug/L 1 1.40 10.0 OH14039 EPA 6010D 08/19/20 11:11 JDH Cobalt[7440-48-4]^ 19.6 ug/L 1 1.40 10.0 OH14039 EPA 6010D 08/19/20 11:11 JDH Copper[7440-50-8]^ 1.60 U ug/L 1 1.60 10.0 OH14039 EPA 6010D 08/19/20 11:11 JDH Iron [7439-89-6]^ 20600 ug/L 1 22.0 50.0 OH14039 EPA 6010D 08/19/20 11:11 JDH Lead [7439-92-1]^ 3.10 U ug/L 1 3.10 10.0 OH14039 EPA 6010D 08/19/20 11:11 JDH Manganese [7439-96-5]^ 2860 ug/L 1 1.50 10.0 OH14039 EPA 6010D 08/19/20 11:11 JDH Nickel[7440-02-O]^ 2.20 U ug/L 1 2.20 10.0 OH14039 EPA 6010D 08/19/20 11:11 JDH Selenium [7782-49-2]^ 6.20 U ug/L 1 6.20 10.0 OH14039 EPA 6010D 08/19/20 11:11 JDH Silver [7440-22-4]^ 1.90 U ug/L 1 1.90 10.0 OH14039 EPA 6010D 08/19/20 11:11 JDH Thallium [7440-28-0]^ 0.229 J ug/L 2 0.220 2.00 OH15002 EPA 6020B 08/21/20 06:22 RLF Vanadium [7440-62-2]^ 1.40 U ug/L 1 1.40 10.0 OH14039 EPA 6010D 08/19/20 11:11 JDH Zinc[7440-66-6]^ 4.50 J ug/L 1 4.40 10.0 OH14039 EPA 6010D 08/19/20 11:11 JDH Classical Chemistry Parameters ^ - ENCO Cary certified analyte [NC 591] Analyte rCAS Numberl Results Flag Units DF MDL POLL Batch Method Analyzed Ay Notes Chloride [16887-00-6]^ 43000 ug/L 1 2200 5000 OH14044 EPA 300.0 08/14/20 22:50 LJI Sulfate as SO4 [14808-79-8]^ 7300 ug/L 1 2900 5000 OH14044 EPA 300.0 08/14/20 22:50 LJI Total Alkalinity as CaCO3 [471-34-1]^ 110000 ug/L 1 14000 15000 OH14019 EPA 310.2 08/14/20 11:00 JAH Total Dissolved Solids^ 160000 ug/L 1 50000 50000 OH17018 SM 2540C-2011 08/17/20 17:24 DMJ FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 12 of 2rJ (� �Eo www.encolabs.com ANALYTICAL RESULTS Description: 8003-MW19 Lab Sample ID:CD10013-03 Received: 08/13/20 13:12 Matrix: Ground Water Sampled:08/11/20 15:25 Work Order: CD10013 Project: Rowan County Active Landfills - Ind. Sampled By:Travis Martinez Volatile Organic Compounds by GCMS SIM Isotope Dilution ^ - ENCO Orlando certified analyte [NC 424] Analyte rCAS Numberl Results Flag Units DF MDL P L Batch Method Analyzed By Notes 1,4-Dioxane [123-91-1]A 29 ug/L 1 0.80 2.0 OH17037 EPA 8260D 08/17/20 19:53 KKW Surrogates Results DF Soike Lv/ % Rec % Rec Limits Batch Method Ana/vzed ffy Notes Toluene-d8 5.2 1 5.00 104 % 75-125 OH17037 EPA 6260D 0811712019:53 KKW FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 13 of 25 (� �Eo www.encolabs.com QUALITY CONTROL DATA Volatile Organic Compounds by GCMS - Quality Control Batch OH17O31 - EPA 5030E MS Blank (OH17031-BLKI) Prepared: 08/17/2020 13:25 Analyzed: 08/17/2020 19:44 Analvte Result Flaq POL Units 1,1,1,2-Tetrachloroethane 0.17 U 1.0 ug/L 1,1,1-Trichloroethane 0.12 U 1.0 ug/L 1,1,2,2-Tetrachloroethane 0.28 U 1.0 ug/L 1,1,2-Trichloroethane 0.14 U 1.0 ug/L 1,1-Dichloroethane 0.13 U 1.0 ug/L 1,1-Dichloroethene 0.21 U 1.0 ug/L 1,2,3-Trichloropropane 0.23 U 1.0 ug/L 1,2-Dibromo-3-chloropropane 0.48 U 1.0 ug/L 1,2-Dibromoethane 0.66 U 1.0 ug/L 1,2-Dichlorobenzene 0.19 U 1.0 ug/L 1,2-Dichloroethane 0.21 U 1.0 ug/L 1,2-Dichloropropane 0.10 U 1.0 ug/L 1,4-Dichlorobenzene 0.19 U 1.0 ug/L 2-Butanone 1.3 U 5.0 ug/L 2-Hexanone 0.88 U 5.0 ug/L 4-Methyl-2-pentanone 1.1 U 5.0 ug/L Acetone 10 U 20 ug/L Acrylonitrile 3.5 U 10 ug/L Benzene 0.15 U 1.0 ug/L Bromochloromethane 0.48 U 1.0 ug/L Bromodichloromethane 0.17 U 1.0 ug/L Bromoform 0.22 U 1.0 ug/L Bromomethane 0.14 U 1.0 ug/L Carbon disulfide 1.5 U 5.0 ug/L Carbon tetrachloride 0.17 U 1.0 ug/L Chlorobenzene 0.17 U 1.0 ug/L Chloroethane 0.23 U 1.0 ug/L Chloroform 0.18 U 1.0 ug/L Chloromethane 0.13 U 1.0 ug/L cis- 1,2-Dichloroethene 0.15 U 1.0 ug/L cis- 1,3-Dichloropropene 0.20 U 1.0 ug/L Dibromochloromethane 0.17 U 1.0 ug/L Dibromomethane 0.27 U 1.0 ug/L Ethylbenzene 0.13 U 1.0 ug/L Iodomethane 1.7 U 5.0 ug/L Methylene chloride 0.23 U 1.0 ug/L Styrene 0.11 U 1.0 ug/L Tetrachloroethene 0.17 U 1.0 ug/L Tetrahydrofuran 0.53 U 1.0 ug/L Toluene 0.14 U 1.0 ug/L trans-1,2-Dichloroethene 0.21 U 1.0 ug/L trans-1,3-Dichloropropene 0.15 U 1.0 ug/L trans-1,4-Dichloro-2-butene 0.70 U 1.0 ug/L Trichloroethene 0.15 U 1.0 ug/L Trichlorofluoromethane 0.24 U 1.0 ug/L Vinyl acetate 0.95 U 5.0 ug/L Vinyl chloride 0.32 U 1.0 ug/L Xylenes (Total) 0.45 U 3.0 ug/L Spike Source %REC Level Result %REC Limits RPD RPD Limit Notes 4-Bromofluorobenzene 40 ug/L 50.0 81 53-136 FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. Page 14 Of 25 QUALITY CONTROL DATA Volatile Organic Compounds by GCMS - Quality Control Batch OH17O31 - EPA 5030E MS - Continued (� �Eo www.encolabs.com Blank (OH17031-BLKI) Continued Prepared: 08/17/2020 13:25 Analyzed: 08/17/2020 19:44 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Dibromofluoromethane 42 u91L 50.0 65 67-129 Toluene-& 40 u91L 50.0 60 59-134 LCS (OH17031-BSI) Prepared: 08/17/2020 13:25 Analyzed: 08/17/2020 17:44 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes 1,1-Dichloroethene 17 1.0 ug/L 20.0 83 75-133 Benzene 18 1.0 ug/L 20.0 92 80-134 Chlorobenzene 19 1.0 ug/L 20.0 97 80-120 Toluene 20 1.0 ug/L 20.0 98 71-120 Trichloroethene 20 1.0 ug/L 20.0 99 74-120 Matrix Spike (OH17031-MS1) Prepared: 08/17/2020 13:25 Analyzed: 08/17/2020 18:14 Source: CD10012-05 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes 1,1-Dichloroethene 18 1.0 ug/L 20.0 0.21 U 90 75-133 Benzene 18 1.0 ug/L 20.0 0.15 U 92 80-134 Chlorobenzene 20 1.0 ug/L 20.0 0.17 U 98 80-120 Toluene 19 1.0 ug/L 20.0 0.14 U 97 71-120 Trichloroethene 20 1.0 ug/L 20.0 0.15 U 102 74-120 Matrix Spike Dup (OH17031-MSD1) Prepared: 08/17/2020 13:25 Analyzed: 08/17/2020 18:44 Source: CD10012-05 Analvte 1,1-Dichloroethene Benzene Chlorobenzene Toluene Trichloroethene Batch OH17O32 - EPA 5O3O8 MS Result 17 18 19 19 20 Flaq POL 1.0 1.0 1.0 1.0 1.0 Units ug/L ug/L ug/L ug/L ug/L Spike Level 20.0 20.0 20.0 20.0 20.0 Source Result 0.21 U 0.15 U 0.17 U 0.14 U 0.15 U %REC 87 89 94 95 98 %REC Limits 75-133 80-134 80-120 71-120 74-120 RPD 4 3 3 2 4 RPD Limit Notes 20 17 16 17 22 Blank (OH17032-BLKI) Prepared: 08/17/2020 13:36 Analyzed: 08/18/2020 09:07 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes 1,1,1,2-Tetrachloroethane 0.17 U 1.0 ug/L 1,1,1-Trichloroethane 0.12 U 1.0 ug/L 1,1,2,2-Tetrachloroethane 0.28 U 1.0 ug/L 1,1,2-Trichloroethane 0.14 U 1.0 ug/L 1,1-Dichloroethane 0.13 U 1.0 ug/L 1,1-Dichloroethene 0.21 U 1.0 ug/L 1,2,3-Trichloropropane 0.23 U 1.0 ug/L 1,2-Dibromo-3-chloropropane 0.48 U 1.0 ug/L 1,2-Dibromoethane 0.66 U 1.0 ug/L 1,2-Dichlorobenzene 0.19 U 1.0 ug/L 1,2-Dichloroethane 0.21 U 1.0 ug/L 1,2-Dichloropropane 0.10 U 1.0 ug/L 1,4-Dichlorobenzene 0.19 U 1.0 ug/L FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 15 Of 25 (� �Eo www.encolabs.com QUALITY CONTROL DATA Volatile Organic Compounds by GCMS - Quality Control Batch OH17O32 - EPA 5030E MS - Continued Blank (OH17032-BLK3) Continued Prepared: 08/17/2020 13:36 Analyzed: 08/18/2020 09:07 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes 2-Butanone 1.3 U 5.0 ug/L 2-Hexanone 0.88 U 5.0 ug/L 4-Methyl-2-pentanone 1.1 U 5.0 ug/L Acetone 10 U 20 ug/L Acrylonitrile 3.5 U 10 ug/L Benzene 0.15 U 1.0 ug/L Bromochloromethane 0.48 U 1.0 ug/L Bromodichloromethane 0.17 U 1.0 ug/L Bromoform 0.22 U 1.0 ug/L Bromomethane 0.14 U 1.0 ug/L Carbon disulfide 1.5 U 5.0 ug/L Carbon tetrachloride 0.17 U 1.0 ug/L Chlorobenzene 0.17 U 1.0 ug/L Chloroethane 0.23 U 1.0 ug/L Chloroform 0.18 U 1.0 ug/L Chloromethane 0.13 U 1.0 ug/L cis- 1,2-Dichloroethene 0.15 U 1.0 ug/L cis- 1,3-Dichloropropene 0.20 U 1.0 ug/L Dibromochloromethane 0.17 U 1.0 ug/L Dibromomethane 0.27 U 1.0 ug/L Ethylbenzene 0.13 U 1.0 ug/L Iodomethane 1.7 U 5.0 ug/L Methylene chloride 0.23 U 1.0 ug/L Styrene 0.11 U 1.0 ug/L Tetrachloroethene 0.17 U 1.0 ug/L Toluene 0.14 U 1.0 ug/L trans-1,2-Dichloroethene 0.21 U 1.0 ug/L trans-1,3-Dichloropropene 0.15 U 1.0 ug/L trans-1,4-Dichloro-2-butene 0.70 U 1.0 ug/L Trichloroethene 0.15 U 1.0 ug/L Trichlorofluoromethane 0.24 U 1.0 ug/L Vinyl acetate 0.95 U 5.0 ug/L Vinyl chloride 0.32 U 1.0 ug/L Xylenes (Total) 0.45 U 3.0 ug/L 4-Bromofluorobenzene 41 u91L 50.0 62 53-136 Dibromofluoromethane 42 u91L 50.0 85 67-129 Toluene-d8 40 u91L 50.0 80 59-134 LCS (OH17032-BSI) Prepared: 08/17/2020 13:36 Analyzed: 08/18/2020 07:08 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes 1,1-Dichloroethene 17 1.0 ug/L 20.0 87 75-133 Benzene 18 1.0 ug/L 20.0 92 80-134 Chlorobenzene 19 1.0 ug/L 20.0 97 80-120 Toluene 20 1.0 ug/L 20.0 98 71-120 Trichloroethene 20 1.0 ug/L 20.0 98 74-120 FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 16 of 25 QUALITY CONTROL DATA Volatile Organic Compounds by GCMS - Quality Control Batch OH17032 - EPA 5030E MS - Continued (� �Eo www.encolabs.com Matrix Spike (OH17032-MS1) Prepared: 08/17/2020 13:36 Analyzed: 08/18/2020 07:38 Source: CD10014-02 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes 1,1-Dichloroethene 18 1.0 ug/L 20.0 0.21 U 92 75-133 Benzene 25 1.0 ug/L 20.0 6.1 95 80-134 Chlorobenzene 20 1.0 ug/L 20.0 0.92 96 80-120 Toluene 30 1.0 ug/L 20.0 9.8 100 71-120 Trichloroethene 20 1.0 ug/L 20.0 0.15 U 100 74-120 Matrix Spike Dup (OH17032-MSD1) Prepared: 08/17/2020 13:36 Analyzed: 08/18/2020 08:07 Source: CD10014-02 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes 1,1-Dichloroethene 19 1.0 ug/L 20.0 0.21 U 96 75-133 4 20 Benzene 26 1.0 ug/L 20.0 6.1 97 80-134 1 17 Chlorobenzene 21 1.0 ug/L 20.0 0.92 99 80-120 3 16 Toluene 30 1.0 ug/L 20.0 9.8 102 71-120 1 17 Trichloroethene 21 1.0 ug/L 20.0 0.15 U 103 74-120 2 22 Metals by EPA 6000/7000 Series Methods - Quality Control Batch OH17022 - EPA 7470A Blank (OH17022-BLKI) Prepared: 08/17/2020 12:04 Analyzed: 08/18/2020 12:44 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Mercury 0.150 U 0.200 ug/L LCS (OH17022-BS1) Prepared: 08/17/2020 12:04 Analyzed: 08/18/2020 12:47 Spike Source %REC RPD Analvte Result Flaa POL Units Level Result %REC Limits RPD Limit Notes Mercury 5.23 0.200 ug/L 5.00 105 80-120 Matrix Spike (OH17022-MS1) Prepared: 08/17/2020 12:04 Analyzed: 08/18/2020 12:51 Source: CD10014-02 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Mercury 4.90 0.200 ug/L 5.00 0.150 U 98 75-125 Matrix Spike Dup (OH17022-MSD1) Prepared: 08/17/2020 12:04 Analyzed: 08/18/2020 12:53 Source: CD10014-02 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Mercury 5.05 0.200 ug/L 5.00 0.150 U 101 75-125 3 25 Post Spike (OH17022-PS1) Prepared: 08/17/2020 12:04 Analyzed: 08/18/2020 12:55 Source: CD10014-02 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Mercury 5.20 0.200 ug/L 5.00 -0.0310 104 75-125 Metals (total recoverable) by EPA 6000/7000 Series Methods - Quality Control Batch OH14039 - EPA 3005A FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 17 Of 2rJ (� �Eo www.encolabs.com QUALITY CONTROL DATA Metals (total recoverable) by EPA 6000/7000 Series Methods - Quality Control Batch OH14O39 - EPA 3OO5A - Continued Blank (OH14039-BLKI) Prepared: 08/14/2020 13:14 Analyzed: 08/19/2020 10:05 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Arsenic 7.60 U 10.0 ug/L Barium 1.10 U 10.0 ug/L Beryllium 0.160 U 1.00 ug/L Cadmium 0.360 U 1.00 ug/L Chromium 1.40 U 10.0 ug/L Cobalt 1.40 U 10.0 ug/L Copper 1.60 U 10.0 ug/L Iron 22.0 U 50.0 ug/L Lead 3.10 U 10.0 ug/L Manganese 1.50 U 10.0 ug/L Nickel 2.20 U 10.0 ug/L Selenium 6.20 U 10.0 ug/L Silver 1.90 U 10.0 ug/L Vanadium 1.40 U 10.0 ug/L Zinc 4.40 U 10.0 ug/L LCS (OH14039-BSI) Prepared: 08/14/2020 13:14 Analyzed: 08/19/2020 10:12 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Arsenic 199 10.0 ug/L 200 100 80-120 Barium 212 10.0 ug/L 200 106 80-120 Beryllium 19.9 1.00 ug/L 20.0 99 80-120 Cadmium 20.3 1.00 ug/L 20.0 102 80-120 Chromium 202 10.0 ug/L 200 101 80-120 Cobalt 203 10.0 ug/L 200 102 80-120 Copper 200 10.0 ug/L 200 100 80-120 Iron 1040 50.0 ug/L 1000 104 80-120 Lead 199 10.0 ug/L 200 99 80-120 Manganese 203 10.0 ug/L 200 101 80-120 Nickel 210 10.0 ug/L 200 105 80-120 Selenium 204 10.0 ug/L 200 102 80-120 Silver 205 10.0 ug/L 200 103 80-120 Vanadium 200 10.0 ug/L 200 100 80-120 Zinc 216 10.0 ug/L 200 108 80-120 Matrix Spike (OH14039-MS1) Prepared: 08/14/2020 13:14 Analyzed: 08/19/2020 10:15 Source: CD10014-02 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Arsenic 208 10.0 ug/L 200 7.60 U 104 75-125 Barium 266 10.0 ug/L 200 60.6 103 75-125 Beryllium 20.0 1.00 ug/L 20.0 0.160 U 100 75-125 Cadmium 18.7 1.00 ug/L 20.0 0.360 U 93 75-125 Chromium 202 10.0 ug/L 200 3.28 100 75-125 Cobalt 200 10.0 ug/L 200 5.37 98 75-125 Copper 202 10.0 ug/L 200 1.60 U 101 75-125 Iron 4530 50.0 ug/L 1000 3540 100 75-125 Lead 195 10.0 ug/L 200 3.10 U 97 75-125 Manganese 2390 10.0 ug/L 200 2180 105 75-125 FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 18 Of 25 (� �Eo www.encolabs.com QUALITY CONTROL DATA Metals (total recoverable) by EPA 6000/7000 Series Methods - Quality Control Batch OH14O39 - EPA 3OO5A - Continued Matrix Spike (OH14039-MS3) Continued Prepared: 08/14/2020 13:14 Analyzed: 08/19/2020 10:15 Source: CD10014-02 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Nickel 200 10.0 ug/L 200 2.20 U 100 75-125 Selenium 191 10.0 ug/L 200 6.20 U 96 75-125 Silver 206 10.0 ug/L 200 1.90 U 103 75-125 Vanadium 205 10.0 ug/L 200 3.42 101 75-125 Zinc 209 10.0 ug/L 200 4.40 U 104 75-125 Matrix Spike Dup (OH14039-MSD1) Prepared: 08/14/2020 13:14 Analyzed: 08/19/2020 10:17 Source: CD10014-02 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Arsenic 212 10.0 ug/L 200 7.60 U 106 75-125 2 20 Barium 272 10.0 ug/L 200 60.6 106 75-125 2 20 Beryllium 20.2 1.00 ug/L 20.0 0.160 U 101 75-125 1 20 Cadmium 19.0 1.00 ug/L 20.0 0.360 U 95 75-125 2 20 Chromium 205 10.0 ug/L 200 3.28 101 75-125 1 20 Cobalt 204 10.0 ug/L 200 5.37 99 75-125 2 20 Copper 204 10.0 ug/L 200 1.60 U 102 75-125 1 20 Iron 4620 50.0 ug/L 1000 3540 108 75-125 2 20 Lead 199 10.0 ug/L 200 3.10 U 99 75-125 2 20 Manganese 2420 10.0 ug/L 200 2180 121 75-125 1 20 Nickel 205 10.0 ug/L 200 2.20 U 103 75-125 2 20 Selenium 193 10.0 ug/L 200 6.20 U 96 75-125 0.7 20 Silver 209 10.0 ug/L 200 1.90 U 104 75-125 1 20 Vanadium 208 10.0 ug/L 200 3.42 102 75-125 1 20 Zinc 213 10.0 ug/L 200 4.40 U 106 75-125 2 20 Post Spike (OH14039-PSI) Prepared: 08/14/2020 13:14 Analyzed: 08/19/2020 10:19 Source: CD10014-02 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Arsenic 0.213 0.0100 mg/L 0.200 0.00547 104 80-120 Barium 0.272 0.0100 mg/L 0.200 0.0606 106 80-120 Beryllium 0.0205 0.00100 mg/L 0.0200 -0.000102 103 80-120 Cadmium 0.0192 0.00100 mg/L 0.0200 -0.00112 96 80-120 Chromium 0.207 0.0100 mg/L 0.200 0.00328 102 80-120 Cobalt 0.206 0.0100 mg/L 0.200 0.00537 100 80-120 Copper 0.207 0.0100 mg/L 0.200 -0.00200 104 80-120 Iron 4.55 0.0500 mg/L 1.00 3.54 101 80-120 Lead 0.201 0.0100 mg/L 0.200 -0.00293 100 80-120 Manganese 2.39 0.0100 mg/L 0.200 2.18 105 80-120 Nickel 0.206 0.0100 mg/L 0.200 0.000764 103 80-120 Selenium 0.203 0.0100 mg/L 0.200 -0.0258 101 80-120 Silver 0.216 0.0100 mg/L 0.200 0.00115 107 80-120 Vanadium 0.210 0.0100 mg/L 0.200 0.00342 104 80-120 Zinc 0.216 0.0100 mg/L 0.200 0.00204 107 80-120 Batch OH15OO2 - EPA 3OO5A FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 19 of 25 (� �Eo www.encolabs.com QUALITY CONTROL DATA Metals (total recoverable) by EPA 6000/7000 Series Methods - Quality Control Batch OHI5002 - EPA 3005A - Continued Blank (OH15002-BLKI) Prepared: 08/15/2020 10:02 Analyzed: 08/21/2020 05:13 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Antimony 0.370 U 1.00 ug/L Thallium 0.110 U 1.00 ug/L LCS (OH15002-BSI) Prepared: 08/15/2020 10:02 Analyzed: 08/21/2020 05:18 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Antimony 19.2 1.00 ug/L 20.0 96 80-120 Thallium 19.6 1.00 ug/L 20.0 98 80-120 Matrix Spike (OH15002-MS3) Prepared: 08/15/2020 10:02 Analyzed: 08/21/2020 05:22 Source: CD12023-07 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Antimony 39.8 2.00 ug/L 40.0 0.740 U 99 75-125 Thallium 38.5 2.00 ug/L 40.0 0.230 96 75-125 Matrix Spike Dup (OH15002-MSD1) Prepared: 08/15/2020 10:02 Analyzed: 08/21/2020 05:26 Source: CD12023-07 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Antimony 40.7 2.00 ug/L 40.0 0.740 U 102 75-125 2 20 Thallium 38.5 2.00 ug/L 40.0 0.230 96 75-125 0.09 20 Post Spike (OH15002-PSI) Prepared: 08/15/2020 10:02 Analyzed: 08/21/2020 05:30 Source: CD12023-07 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Antimony 19.7 1.00 ug/L 20.0 0.0177 98 75-125 Thallium 19.4 1.00 ug/L 20.0 0.115 96 75-125 Classical Chemistry Parameters - Quality Control Batch OH14019 - NO PREP Blank (OH14019-BLKI) Prepared: 08/14/2020 08:40 Analyzed: 08/14/2020 10:56 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Total Alkalinity as CaCO3 14000 U 15000 ug/L LCS (OH14019-BS1) Prepared: 08/14/2020 08:40 Analyzed: 08/14/2020 10:57 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Total Alkalinity as CaCO3 96 15 mg/L 100 96 80-120 Matrix Spike (OH14019-MS3) Prepared: 08/14/2020 08:40 Analyzed: 08/14/2020 10:58 Source: CD10013-01 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Total Alkalinity as CaCO3 66000 15000 ug/L 37800 16000 134 80-120 QM-07 FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 20 Of 25 (� �Eo www.encolabs.com QUALITY CONTROL DATA Classical Chemistry Parameters - Quality Control Batch OH14019 - NO PREP - Continued Matrix Spike Dup (OH14019-MSD3) Prepared: 08/14/2020 08:40 Analyzed: 08/14/2020 10:59 Source: CD10013-01 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Total Alkalinity as CaCO3 64000 15000 ug/L 37800 16000 129 80-120 3 25 QM-07 Batch OH14044 - NO PREP Blank (OH14044-BLK1) Prepared: 08/14/2020 13:08 Analyzed: 08/14/2020 19:35 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Chloride 2200 U 5000 ug/L Sulfate as SO4 2900 U 5000 ug/L LCS (OH14044-BSI) Prepared: 08/14/2020 13:08 Analyzed: 08/14/2020 19:53 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Chloride 50000 5000 ug/L 50000 100 90-110 Sulfate as SO4 49000 5000 ug/L 50000 98 90-110 Matrix Spike (OH14044-MS1) Prepared: 08/14/2020 13:08 Analyzed: 08/14/2020 21:04 Source: CD06837-01 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Chloride 30000 5000 ug/L 20000 11000 98 90-110 Sulfate as SO4 26000 5000 ug/L 20000 7600 91 90-110 Matrix Spike (OH14044-MS2) Prepared: 08/14/2020 13:08 Analyzed: 08/14/2020 21:57 Source: CD07436-01 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Chloride 550000 50000 ug/L 200000 350000 101 90-110 Sulfate as SO4 270000 50000 ug/L 200000 84000 92 90-110 Matrix Spike Dup (OH14044-MSD1) Prepared: 08/14/2020 13:08 Analyzed: 08/14/2020 21:21 Source: CD06837-01 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Chloride 31000 5000 ug/L 20000 11000 100 90-110 2 10 Sulfate as SO4 26000 5000 ug/L 20000 7600 92 90-110 1 10 Batch OH17018 - NO PREP Blank (OH17018-BLKI) Prepared & Analyzed: 08/17/2020 17:24 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Total Dissolved Solids 50000 U 50000 ug/L LCS (OH17018-BSI) Prepared & Analyzed: 08/17/2020 17:24 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Total Dissolved Solids 960 50 mg/L 1000 96 80-120 FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 21 of 25 (� �Eo www.encolabs.com QUALITY CONTROL DATA Classical Chemistry Parameters - Quality Control Batch OH17018 - NO PREP - Continued Duplicate (OH17018-DUPl) Prepared & Analyzed: 08/17/2020 17:24 Source: CD07436-01 Analvte Result Flaq Total Dissolved Solids 1500000 POL Units 100000 ug/L Spike Source %REC Level Result %REC Limits 1400000 RPD 2 RPD Limit Notes 20 Duplicate (OH17018-DUP2) Prepared & Analyzed: 08/17/2020 17:24 Source: CD09864-01 Analvte Result Flaq Total Dissolved Solids 350000 POL Units 50000 ug/L Spike Source %REC Level Result %REC Limits 320000 RPD 11 RPD Limit Notes 20 Volatile Organic Compounds by GCMS SIM Isotope Dilution - Quality Control Batch OH17O37 - EPA 50308 MS Blank (OH17037-BLK1) Prepared: 08/17/2020 00:00 Analyzed: 08/17/2020 14:11 Spike Source %REC RPD Analvte Result Flaa POL Units Level Result %REC Limits RPD Limit Notes 1,4-Dioxane 0.80 U 2.0 ug/L Toluene-d8 5.4 ug/L 5.00 108 75-125 LCS (OH17037-BSI) Prepared: 08/17/2020 00:00 Analyzed: 08/17/2020 13:45 Spike Source %REC RPD Analyte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes 1,4-Dioxane 23 2.0 ug/L 25.0 92 80-133 Toluene-d8 5.4 ug/L 5.00 107 75-125 Matrix Spike (OH17037-MS1) Prepared: 08/17/2020 00:00 Analyzed: 08/17/2020 20:43 Source: AD05286-02 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes 1,4-Dioxane 100 E 2.0 ug/L 25.0 80 94 80-133 Toluene-& 5.2 ug/L 5.00 104 75-125 Matrix Spike Dup (OH17037-MSD1) Prepared: 08/17/2020 00:00 Analyzed: 08/17/2020 21:08 Source: AD05286-02 Spike Source %REC RPD Analyte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes 1,4-Dioxane 100 E 2.0 ug/L 25.0 80 91 80-133 0.6 19 Toluene-& 5.2 ug/L 5.00 104 75-125 FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 22 Of 25 (� �Eo www.encolabs.com FLAGS/NOTES AND DEFINITIONS B The analyte was detected in the associated method blank. D The sample was analyzed at dilution. J The reported value is between the laboratory method detection limit (MDL) and the laboratory method reporting limit (MRL), adjusted for actual sample preparation data and moisture content, where applicable. U The analyte was analyzed for but not detected to the level shown, adjusted for actual sample preparation data and moisture content, where applicable. E The concentration indicated for this analyte is an estimated value above the calibration range of the instrument. This value is considered an estimate. MRL Method Reporting Limit. The MRL is roughly equivalent to the practical quantitation limit (PQL) and is based on the low point of the calibration curve, when applicable, sample preparation factor, dilution factor, and, in the case of soil samples, moisture content. PQL PQL: Practical Quantitation Limit. The PQL presented is the laboratory MRL. N The analysis indicates the presence of an analyte for which there is presumptive evidence (85% or greater confidence) to make a "tentative identification". P Greater than 25% concentration difference was observed between the primary and secondary GC column. The lower concentration is reported. [CALC] Calculated analyte - MDL/MRL reported to the highest reporting limit of the component analyses. A-07 Analyte biased low in LCS but detected in the reporting limit standard. Since the analyte in the associated sample was not detected, there is no impact on data quality. QM-07 The spike recovery was outside acceptance limits for the MS and/or MSD. The batch was accepted based on acceptable LCS recovery. FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 23 of 25 9 x o � 3 3' ra _ a y, a � � m .S a a c m n � C W a o � Q P Q O n ro a a v v m m m C. N C m 3] L I W Yn tr7 m f n Q D � n m � m ❑ Qv Q o m C n n ro a a' 4 m Sample Preservation Verification ENC• Cary Work Order: CD10013 Client: Golder Associates, Inc. (GO007) C., '0� oft Project: Rowan County Active Landfills - Ind. Pa Project #: 19123756.100 Logged In: 13-Aug-20 1.4:09 Logged By: John C King Preservation Check Performed By: Date/Time: Axi CD10013-01 Cont Type Pres (pH) pH Checked ! pH Adjusted Date/Time Reagent Used/Comments Requirement In Control Adjusted A 250mLP+HNO3 <2 Y' N 1 NA Y 1,N NA CD10013-02 Cant Type Pres (pH) Requirement pH Checked / 11. In Control pH Adjusted DateMme Adjusted Reagent Used/Comments A 250mLP+HNO3 <2 Y' I N I NA Y I 'N)1 NA CD10013-63 Cont Type Pres (pH) Requirement pH Checked ! In Control pH Adjusted Daterl-ime Adjusted Reagent UsedlComments A 250mLP+HNO3 <2 Y / N 1 NA Y /. N; ! NA CD10013-04 Cont Type Pres (pH) Requirement IpH Checked / In Control pH Adjusted Date/Time Adjusted Reagent Used/Comments A 250mLP+HNO3 [F] <2 Y' 1 N / NA Y 1 N'1 NA Reaclent Name ID 1 2 pH Strip ID: �-�'v = idea ent Name ID 3 4 Reaclent Name ID 5 6 Page 25 of 25 CAELMNT1Printlwko_PreservationCheck. rpt GOLDER ASSOCIATES INC. QUALITY ASSURANCE & QUALITY CONTROL LABORATORY DATA REVIEW Page 1 of 3 Project Name: Rowan County C&D Landfill — Parameters Project Reference Number: 20140083.100 Sampling Event Date: August 10-12, 2020 Review Date: September 21, 2020 Report #: CD10013 4 GOLDER Initials: DC Review: RK Person(s) performing the review are to initial each item on this form as acknowledgement of data acceptance, or as acknowledgement of a review issue. In the case of the latter, a brief explanation should follow the applicable item. Golder Associates Inc. has reviewed the laboratory certificates of analysis, chain -of -custody form, and laboratory provided sample group quality assurance and quality control data for the above referenced sample group to identify potential bias or inaccuracy, in general accordance with the following United States Environmental Protection Agency documents: Region III Modifications to Functional Guidelines for Organic Data Review Multi -Media, Multi -Concentration, September 1994; Region III Modifications to the Laboratory Data Validation Functional Guidelines for Evaluating Inorganic Analyses, April 1993; and Laboratory Data Validation Functional Guidelines for Evaluating Inorganic Analyses, July 1998. ANALYTE LIST(S) NC Closed Facility List (.500 Rules) X NC C & D List (New Rules) X NC Appendix I NC Appendix I + Detects NC Appendix II NC Subtitle D Leachate List 1.0 CHAIN OF CUSTODY (COC) REVIEW DC COC was properly signed by all parties. DC Correct project name and number are on the form. Report lists 20140083.101 as project number should be 20140083.100 DC Sample receipt condition at laboratory was acceptable. DC Each sample and blank submitted for analysis appears in the report. Notes: 2.0 SAMPLE HOLDING TIMES GOLDER ASSOCIATES INC. QUALITY ASSURANCE & QUALITY CONTROL , G O L D E R LABORATORY DATA REVIEW Page 2 of 3 DC Holding times for extraction and/or analysis were met for each analytical Method (see lab manual for holding times). Notes: 3.0 LABORATORY QUALITY CONTROL REVIEW DC Laboratory analyzed at least one internal blank for each method, where applicable. DC Laboratory blank is interference -free. DC Surrogate recoveries are provided for each analytical method, where applicable. DC Surrogate recoveries for each method are within the acceptable limits (i.e., at least 50% of the surrogates were within range). DC MS/MSD/LCS data results are provided for each analytical method. DC MS/MSD/LCS recoveries for each method are within the acceptable limits (i.e., at least 1 of the 3 were within range). ➢ The spike recovery of Alkalinity was outside the control limits for the MS and /or MSD samples. The QC batch was approved based on acceptable LCS recovery of this analyte. 4.0 ANALYTE LISTS/METHODS DC The proper number of constituents are present for each analyte list as identified above (including detects where applicable). DC Proper analytical methods were used for analysis. 5.0 DATA REPORTING DC All analytical reporting associated with the event was performed by the contracted lab. DC Trip, field and/or equipment, and laboratory blank results have all been reported. All detects for blanks are listed below by constituent. All laboratory method blanks, if any, have been `flagged' with a `B' where detected in other samples as appropriate and a laboratory narrative was provided. If the sample was flagged by the laboratory and is not within 5X of the concentration in the blank (or 1 OX for commonly detected laboratory contaminants - acetone, methylene chloride and phthalates), list below with explanation if flags should be removed. If flags need to be added for samples, also list below. ➢ Field Blank: • Copper @ 1.95 ug/L (J) — MW-17 • Silver @ 2.17 ug/L (J) — MW-17, MW-18R ➢ Trip Blank: • Methylene Chloride @ 1.2 ug/L (J) - none DC It is clear from the laboratory report that samples have or have not been diluted during analysis, and if the samples have been diluted, the result is reported as a multiple of the GOLDER ASSOCIATES INC. QUALITY ASSURANCE & QUALITY CONTROL , G O L D E R LABORATORY DATA REVIEW Page 3 of 3 dilution (e.g., a sample diluted 1 Ox resulting in an analytical detection of 1.0 should be reported as 10). Those that have been diluted are listed below with the dilution factor. ➢ Antimony and Thallium (2x) all samples ➢ Chloride (2x), Sulfate as SO4 (2x), DC The report provides the reporting limit for each constituent. DC The results were reported at or below their proper reporting limits (e.g., MDLs, MRLs, PQLs, etc.). Those that are not reported correctly are listed below (by constituent) with the proper reporting limit listed beside them. State if the reporting limit error is due to dilution. DC No inorganic and organic constituents were reported above their respective NC 2L Drinking Water Standards in wells, surface points, or field/equipment/trip blanks. NC 2L/GWPS/MCL/IMAC Exceedances ➢Cobalt (NC 2L IMAC = 1 ug/L) ➢ MW-18R @ 2.72 ug/L (J) ➢ MwMW-19 @ 19.6 ug/L ➢ Manganese (NC 2L = 50 ug/L) ➢ MW-18R @ 1120 ug/L ➢ MW-19 @ 2860 ug/L ➢ Iron (NC 2L = 300 ug/L) ➢ MW-18R @ 3550 ug/L ➢ MW-19 @ 20600 ug/L ➢Thallium (NC 2L IMAC = 0.2 ug/L) ➢ MW-18R @ 0.390 ug/L (J) ➢ MW-19 @ 0.229 ug/L (J) ➢Benzene (NC 2L IMAC = 1ug/L) ➢ MW-18R @ 1.1 ug/L ➢ MW-19 @ 5.8 ug/L ➢1,4-Dioxane (NC 2L = 3 ug/L) ➢ MW-18R @ 15 ug/L ➢ MW-19 @ 29 ug/L DC For sites with historical data, no inorganic and organic constituents were detected in a well or surface water point at concentrations outside of their historical range (more than 5X previous concentrations or first-time detections). DC Other report issues/Communications with laboratory/etc.: 2�SQ pCCgF ENCO Laboratories 9e0 Accurate. Timely. Responsive. Innovative. 102-A Woodwinds Industrial Court Cary NC, 27511 Phone: 919.467.3090 FAX: 919.467.3515 Monday, August 24, 2020 Golder Associates, Inc. (G0007) Attn: Darren Cox 5B Oak Branch Drive Greensboro, NC 27407 RE: Laboratory Results for Project Number: 20140083.101, Project Name/Desc: Rowan County Landfill Leachate ENCO Workorder(s): CD10015 Dear Darren Cox, Enclosed is a copy of your laboratory report for test samples received by our laboratory on Thursday, August 13, 2020. Unless otherwise noted in an attached project narrative, all samples were received in acceptable condition and processed in accordance with the referenced methods/procedures. Results for these procedures apply only to the samples as submitted. The analytical results contained in this report are in compliance with NELAC standards, except as noted in the project narrative if applicable. This report shall not be reproduced except in full, without the written approval of the Laboratory. This report contains only those analyses performed by Environmental Conservation Laboratories. Unless otherwise noted, all analyses were performed at ENCO Cary. Data from outside organizations will be reported under separate cover. If you have any questions or require further information, please do not hesitate to contact me. Sincerely, Amanda L. Gaines Project Manager Enclosure(s) FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 1 of 1 H PROJECT NARRATIVE Date: August 24, 2020 Client: Golder Associates, Inc. (G0007) Project: Rowan County Landfill Leachate Lab ID: CD10015 Overview (� �Eo www.encolabs.com Environmental Conservation Laboratories, Inc. (ENCO) analyzed all submitted samples in accordance with the methods referenced in the laboratory report. Any particular difficulties encountered during sample handling by ENCO are discussed in the QC Remarks section below. Quality Control Samples The spike recoveries of Nitrite, Nitrate/Nitrite (NOX), and Total Phosphorus were outside the control limits for the MS and MSD samples. The QC batches were approved based on acceptable LCS recovery of these analytes. Quality Control Remarks No Comments Other Comments All samples received under this work order arrived in acceptable conditions. The samples were not checked for residual chlorine, as it is not required. The analytical data presented in this report are consistent with the methods as referenced in the analytical report. Any exceptions or deviations are noted in the QC remarks section of this narrative or in the Flags/Notes and Definitions section of the report. Released By: Environmental Conservation Laboratories, Inc. Amanda Gaines Project Manager FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 2 of 1 H (� �Eo www.encolabs.com SAMPLE SUMMARY/LABORATORY CHRONICLE Client ID: 8003-L3 Lab ID: CD10015-01 Sampled: 08/12/20 15:01 Received: 08/13/20 13:12 Parameter Preparation Hold Date/Time(s) Prep Date/Time(s) Analysis Date/Time(s) EPA 300.0 NO PREP 09/09/20 08/14/20 13:08 08/14/20 23:07 EPA 353.2 NO PREP 08/14/20 15:01 08/13/20 15:24 08/13/20 15:45 EPA 353.2 [CALC] 08/14/20 15:01 08/13/20 15:31 08/13/20 18:18 EPA 353.2 NO PREP 09/09/20 08/13/20 15:31 08/13/20 18:18 EPA 365.4 Same 09/09/20 08/17/20 09:35 08/21/20 12:19 EPA 6010D EPA 3005A 02/08/21 08/14/20 13:04 08/18/20 11:17 EPA 6020E EPA 3005A 02/08/21 08/14/20 13:20 08/18/20 12:07 EPA 8260D EPA 503013_MS 08/26/20 08/17/20 13:31 08/18/20 04:09 SM 5210 B-2011 NO PREP 08/14/20 15:01 08/14/20 11:07 08/14/20 11:07 SM 5220D-2011 Same 09/09/20 08/17/20 09:40 08/17/20 12:26 FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 3 Of 18 (� �Eo www.encolabs.com SAMPLE DETECTION SUMMARY Client ID: 8003-L1 Lab ID: CD10015-01 Analvte Results Flag MDL Q Units Method Notes 1,2-Dichloroethane 0.80 J 0.21 1.0 ug/L EPA 8260D 1,4-Dichlorobenzene 1.7 0.19 1.0 ug/L EPA 8260D 2-Butanone 3.4 J 1.3 5.0 ug/L EPA 8260D 4-Methyl-2-pentanone 1.6 J 1.1 5.0 ug/L EPA 8260D Acetone 21 10 20 ug/L EPA 8260D Barium - Total 604 1.10 10.0 ug/L EPA 6010D Biochemical Oxygen Demand 44000 2000 2000 ug/L SM 5210 B-2011 Chemical Oxygen Demand 580000 20000 20000 ug/L SM 5220D-2011 Chromium - Total 22.7 1.40 10.0 ug/L EPA 6010D Cobalt - Total 12.3 1.40 10.0 ug/L EPA 6010D Copper - Total 1.61 J 1.60 10.0 ug/L EPA 6010D Nickel - Total 47.9 2.20 10.0 ug/L EPA 6010D Phosphorus 310 25 100 ug/L EPA 365.4 Styrene 0.67 J 0.11 1.0 ug/L EPA 8260D Sulfate as SO4 20000 2900 5000 ug/L EPA 300.0 Vanadium - Total 12.4 1.40 10.0 ug/L EPA 6010D Xylenes (Total) 1.6 J 0.45 3.0 ug/L EPA 8260D FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 4 Of 18 0Nk"q09 www.encolabs.com ANALYTICAL RESULTS Description: 8003-L1 Lab Sample ID:CD10015-01 Received: 08/13/20 13:12 Matrix: Water Sampled:08/12/20 15:01 Work Order: CD10015 Project: Rowan County Landfill Leachate Sampled By:Travis Martinez Volatile Organic Compounds by GCMS ^ - ENCO Cary rertified analyte [NC 591] Analyte ICAS Numberl Results Flaa Units DF MDL P L Batch Method Analyzed Notes 1,1,1,2-Tetrachloroethane [630-20-6]A 0.17 u ug/L 1 0.17 1.0 OH17031 EPA 8260D 08/18/20 04:09 REF 1,1,1-Trichloroethane [71-55-6]A 0.12 u ug/L 1 0.12 1.0 OH17031 EPA 8260D 08/18/20 04:09 REF 1,1,2,2-Tetrachloroethane [79-34-5]A 0.28 u ug/L 1 0.28 1.0 OH17031 EPA 8260D 08/18/20 04:09 REF 1,1,2-Trichloroethane [79-00-5]A 0.14 u ug/L 1 0.14 1.0 OH17031 EPA 8260D 08/18/20 04:09 REF 1,1-Dichloroethane [75-34-3]A 0.13 u ug/L 1 0.13 1.0 OH17031 EPA 8260D 08/18/20 04:09 REF 1,1-Dichloroethene [75-35-4]A 0.21 u ug/L 1 0.21 1.0 OH17031 EPA 8260D 08/18/20 04:09 REF 1,2,3-Trichloropropane [96-18-4]A 0.23 u ug/L 1 0.23 1.0 OH17031 EPA 8260D 08/18/20 04:09 REF 1,2-Dibromo-3-chloropropane [96-12-8]A 0.48 u ug/L 1 0.48 1.0 OH17031 EPA 8260D 08/18/20 04:09 REF 1,2-Dibromoethane [106-93-4]A 0.66 u ug/L 1 0.66 1.0 OH17031 EPA 8260D 08/18/20 04:09 REF 1,2-Dichlorobenzene [95-50-1]A 0.19 u ug/L 1 0.19 1.0 OH17031 EPA 8260D 08/18/20 04:09 REF 1,2-Dichloroethane [107-06-2]A 0.80 J ug/L 1 0.21 1.0 OH17031 EPA 8260D 08/18/20 04:09 REF 1,2-Dichloropropane [78-87-5]A 0.10 u ug/L 1 0.10 1.0 OH17031 EPA 8260D 08/18/20 04:09 REF 1,4-Dichlorobenzene [106-46-7]A 1.7 ug/L 1 0.19 1.0 OH17031 EPA 8260D 08/18/20 04:09 REF 2-Butanone [78-93-3]A 3.4 J ug/L 1 1.3 5.0 OH17031 EPA 8260D 08/18/20 04:09 REF 2-Hexanone [591-78-6]A 0.88 u ug/L 1 0.88 5.0 OH17031 EPA 8260D 08/18/20 04:09 REF 4-Methyl-2-pentanone [108-10-1]A 1.6 J ug/L 1 1.1 5.0 OH17031 EPA 8260D 08/18/20 04:09 REF Acetone [67-64-1]A 21 ug/L 1 10 20 OH17031 EPA 8260D 08/18/20 04:09 REF Acrylonitrile [107-13-1]A 3.5 u ug/L 1 3.5 10 OH17031 EPA 8260D 08/18/20 04:09 REF Benzene[71-43-2]A 0.15 u ug/L 1 0.15 1.0 OH17031 EPA 8260D 08/18/20 04:09 REF Bromochloromethane [74-97-5]A 0.48 u ug/L 1 0.48 1.0 OH17031 EPA 8260D 08/18/20 04:09 REF Bromodichloromethane [75-27-4]A 0.17 u ug/L 1 0.17 1.0 OH17031 EPA 8260D 08/18/20 04:09 REF Bromoform [75-25-2]A 0.22 u ug/L 1 0.22 1.0 OH17031 EPA 8260D 08/18/20 04:09 REF Bromomethane [74-83-9]A 0.14 u ug/L 1 0.14 1.0 OH17031 EPA 8260D 08/18/20 04:09 REF Carbon disulfide [75-15-O]A 1.5 u ug/L 1 1.5 5.0 OH17031 EPA 8260D 08/18/20 04:09 REF Carbon tetrachloride [56-23-5]A 0.17 u ug/L 1 0.17 1.0 OH17031 EPA 8260D 08/18/20 04:09 REF Chlorobenzene[108-90-7]A 0.17 u ug/L 1 0.17 1.0 OH17031 EPA 8260D 08/18/20 04:09 REF Chloroethane [75-00-3]A 0.23 u ug/L 1 0.23 1.0 OH17031 EPA 8260D 08/18/20 04:09 REF Chloroform [67-66-3]A 0.18 u ug/L 1 0.18 1.0 OH17031 EPA 8260D 08/18/20 04:09 REF Chloromethane [74-87-3]A 0.13 u ug/L 1 0.13 1.0 OH17031 EPA 8260D 08/18/20 04:09 REF cis-1,2-Dichloroethene [156-59-2]A 0.15 u ug/L 1 0.15 1.0 OH17031 EPA 8260D 08/18/20 04:09 REF cis-1,3-Dichloropropene [10061-01-5]A 0.20 u ug/L 1 0.20 1.0 OH17031 EPA 8260D 08/18/20 04:09 REF Dibromochloromethane [124-48-1]A 0.17 u ug/L 1 0.17 1.0 OH17031 EPA 8260D 08/18/20 04:09 REF Dibromomethane [74-95-3]A 0.27 u ug/L 1 0.27 1.0 OH17031 EPA 8260D 08/18/20 04:09 REF Ethylbenzene [100-41-4]A 0.13 u ug/L 1 0.13 1.0 OH17031 EPA 8260D 08/18/20 04:09 REF Iodomethane [74-88-4]A 1.7 u ug/L 1 1.7 5.0 OH17031 EPA 8260D 08/18/20 04:09 REF Methylene chloride [75-09-2]A 0.23 u ug/L 1 0.23 1.0 OH17031 EPA 8260D 08/18/20 04:09 REF Styrene [500-42-5]A 0.67 J ug/L 1 0.11 1.0 OH17031 EPA 8260D 08/18/20 04:09 REF Tetrachloroethene [127-18-4]A 0.17 u ug/L 1 0.17 1.0 OH17031 EPA 8260D 08/18/20 04:09 REF Toluene [108-88-3]A 0.14 u ug/L 1 0.14 1.0 OH17031 EPA 8260D 08/18/20 04:09 REF trans-1,2-Dichloroethene [156-60-5]A 0.21 u ug/L 1 0.21 1.0 OH17031 EPA 8260D 08/18/20 04:09 REF trans-1,3-Dichloropropene [10061-02-6]A 0.15 u ug/L 1 0.15 1.0 OH17031 EPA 8260D 08/18/20 04:09 REF trans-1,4-Dichloro-2-butene [110-57-6]A 0.70 u ug/L 1 0.70 1.0 OH17031 EPA 8260D 08/18/20 04:09 REF Trichloroethene [79-01-6]A 0.15 u ug/L 1 0.15 1.0 OH17031 EPA 8260D 08/18/20 04:09 REF Trichlorofluoromethane [75-69-4]A 0.24 u ug/L 1 0.24 1.0 OH17031 EPA 8260D 08/18/20 04:09 REF Vinyl acetate [108-05-4]A 0.95 u ug/L 1 0.95 5.0 OH17031 EPA 8260D 08/18/20 04:09 REF A-07 Vinyl chloride [75-01-4]A 0.32 u ug/L 1 0.32 1.0 OH17031 EPA 8260D 08/18/20 04:09 REF Xylenes (Total) [1330-20-7]A 1.6 J ug/L 1 0.45 3.0 OH17031 EPA 8260D 08/18/20 04:09 REF FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 5 Of 18 (� �Eo www.encolabs.com ANALYTICAL RESULTS Description: 8003-Ll Lab Sample ID:CD10015-01 Received: 08/13/20 13:12 Matrix: Water Sampled:08/12/20 15:01 Work Order: CD10015 Project: Rowan County Landfill Leachate Sampled By:Travis Martinez Volatile Organic Compounds by GCMS ^ - ENCO Cary certified analyte [NC 591] Surrogates Results DF Spike Lv/ % Rec % Rec Limits Batch Method Ana/vzed By Notes 4-Bromofluorobenzene 42 1 50.0 83 % 53-136 OH17031 EPA 6260D 08118120 04:09 REF Dibromofluoromethane 42 1 50.0 85 % 67-129 OH17031 EPA 6260D 08118120 04:09 REF Toluene-& 41 1 50.0 81 % 59-134 OH17031 EPA 6260D 08118120 04:09 REF Metals (total recoverable) by EPA 6000/7000 Series Methods ^ - ENCO Cary certified analyte [NC 591] Analyte rCAS Numberl Results Flaa Units DF MDL POLL Batch Method Analyzed Ay Notes Antimony [7440-36-O]^ 3.70 UD ug/L 10 3.70 10.0 OH14041 EPA 6020B 08/18/20 12:07 RLF Arsenic[7440-38-2]^ 7.60 U ug/L 1 7.60 10.0 OH14038 EPA 6010D 08/18/20 11:17 JDH Barium [7440-39-3]^ 604 ug/L 1 1.10 10.0 OH14038 EPA 6010D 08/18/20 11:17 JDH Beryllium [7440-41-7]^ 0.160 U ug/L 1 0.160 1.00 OH14038 EPA 6010D 08/18/20 11:17 JDH Cadmium [7440-43-9]^ 0.360 U ug/L 1 0.360 1.00 OH14038 EPA 6010D 08/18/20 11:17 JDH Chromium [7440-47-3]^ 22.7 ug/L 1 1.40 10.0 OH14038 EPA 6010D 08/18/20 11:17 JDH Cobalt[7440-48-4]^ 12.3 ug/L 1 1.40 10.0 OH14038 EPA 6010D 08/18/20 11:17 JDH Copper[7440-50-8]^ 1.61 J ug/L 1 1.60 10.0 OH14038 EPA 6010D 08/18/20 11:17 JDH Lead [7439-92-1]^ 3.10 U ug/L 1 3.10 10.0 OH14038 EPA 6010D 08/18/20 11:17 JDH Nickel[7440-02-O]^ 47.9 ug/L 1 2.20 10.0 OH14038 EPA 6010D 08/18/20 11:17 JDH Selenium [7782-49-2]^ 6.20 U ug/L 1 6.20 10.0 OH14038 EPA 6010D 08/18/20 11:17 JDH Silver [7440-22-4]^ 1.90 U ug/L 1 1.90 10.0 OH14038 EPA 6010D 08/18/20 11:17 JDH Thallium [7440-28-O]^ 1.10 UD ug/L 10 1.10 10.0 OH14041 EPA 6020B 08/18/20 12:07 RLF Vanadium [7440-62-2]^ 12.4 ug/L 1 1.40 10.0 OH14038 EPA 6010D 08/18/20 11:17 JDH Zinc[7440-66-6]^ 4.40 U ug/L 1 4.40 10.0 OH14038 EPA 6010D 08/18/20 11:17 JDH Classical Chemistry Parameters ^ - ENCO Cary certified analyte [NC 591] Analyte rCAS Numberl Results Flaa Units DF MDL POLL Batch Method Analyzed Ay Notes Biochemical Oxygen Demand^ 44000 ug/L 1 2000 2000 OH14016 SM 5210 B-2011 08/14/20 11:07 JOC Chemical Oxygen Demand^ 580000 ug/L 2 20000 20000 OH17010 SM 5220D-2011 08/17/20 12:26 JOC Nitrate as N [14797-55-8] 0.041 U mg/L 1 0.041 0.10 [CALC] EPA 353.2 08/13/20 18:18 JAH Nitrate/Nitrite as N^ 41 U ug/L 1 41 100 OH13032 EPA 353.2 08/13/20 18:18 JAH Nitrite as N [14797-65-O]^ 17 U ug/L 1 17 100 OH13030 EPA 353.2 08/13/20 15:45 JAH Phosphorus[7723-14-O]^ 310 ug/L 1 25 100 OH17016 EPA 365.4 08/21/20 12:19 JAH Sulfate as SO4 [14808-79-B]^ 20000 ug/L 1 2900 5000 OH14044 EPA 300.0 08/14/20 23:07 LJI FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 6 Of 18 (� �Eo www.encolabs.com QUALITY CONTROL DATA Volatile Organic Compounds by GCMS - Quality Control Batch OH17O31 - EPA 5030E MS Blank (OH17031-BLKI) Prepared: 08/17/2020 13:25 Analyzed: 08/17/2020 19:44 Analvte Result Flaq POL Units 1,1,1,2-Tetrachloroethane 0.17 U 1.0 ug/L 1,1,1-Trichloroethane 0.12 U 1.0 ug/L 1,1,2,2-Tetrachloroethane 0.28 U 1.0 ug/L 1,1,2-Trichloroethane 0.14 U 1.0 ug/L 1,1-Dichloroethane 0.13 U 1.0 ug/L 1,1-Dichloroethene 0.21 U 1.0 ug/L 1,2,3-Trichloropropane 0.23 U 1.0 ug/L 1,2-Dibromo-3-chloropropane 0.48 U 1.0 ug/L 1,2-Dibromoethane 0.66 U 1.0 ug/L 1,2-Dichlorobenzene 0.19 U 1.0 ug/L 1,2-Dichloroethane 0.21 U 1.0 ug/L 1,2-Dichloropropane 0.10 U 1.0 ug/L 1,4-Dichlorobenzene 0.19 U 1.0 ug/L 2-Butanone 1.3 U 5.0 ug/L 2-Hexanone 0.88 U 5.0 ug/L 4-Methyl-2-pentanone 1.1 U 5.0 ug/L Acetone 10 U 20 ug/L Acrylonitrile 3.5 U 10 ug/L Benzene 0.15 U 1.0 ug/L Bromochloromethane 0.48 U 1.0 ug/L Bromodichloromethane 0.17 U 1.0 ug/L Bromoform 0.22 U 1.0 ug/L Bromomethane 0.14 U 1.0 ug/L Carbon disulfide 1.5 U 5.0 ug/L Carbon tetrachloride 0.17 U 1.0 ug/L Chlorobenzene 0.17 U 1.0 ug/L Chloroethane 0.23 U 1.0 ug/L Chloroform 0.18 U 1.0 ug/L Chloromethane 0.13 U 1.0 ug/L cis- 1,2-Dichloroethene 0.15 U 1.0 ug/L cis- 1,3-Dichloropropene 0.20 U 1.0 ug/L Dibromochloromethane 0.17 U 1.0 ug/L Dibromomethane 0.27 U 1.0 ug/L Ethylbenzene 0.13 U 1.0 ug/L Iodomethane 1.7 U 5.0 ug/L Methylene chloride 0.23 U 1.0 ug/L Styrene 0.11 U 1.0 ug/L Tetrachloroethene 0.17 U 1.0 ug/L Toluene 0.14 U 1.0 ug/L trans-1,2-Dichloroethene 0.21 U 1.0 ug/L trans-1,3-Dichloropropene 0.15 U 1.0 ug/L trans-1,4-Dichloro-2-butene 0.70 U 1.0 ug/L Trichloroethene 0.15 U 1.0 ug/L Trichlorofluoromethane 0.24 U 1.0 ug/L Vinyl acetate 0.95 U 5.0 ug/L Vinyl chloride 0.32 U 1.0 ug/L Xylenes (Total) 0.45 U 3.0 ug/L Spike Source %REC RPD Level Result %REC Limits RPD Limit Notes 4-Bromofluorobenzene 40 u91L 50.0 81 53-136 Dibromofluoromethane 42 u91L 50.0 85 67-129 FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. Page 7 Of 18 QUALITY CONTROL DATA Volatile Organic Compounds by GCMS - Quality Control Batch OH17O31 - EPA 5030E MS - Continued (� �Eo www.encolabs.com Blank (OH17031-BLKI) Continued Prepared: 08/17/2020 13:25 Analyzed: 08/17/2020 19:44 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Toluene-d8 40 u91L 50.0 60 59-134 LCS (OH17031-BS1) Prepared: 08/17/2020 13:25 Analyzed: 08/17/2020 17:44 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes 1,1-Dichloroethene 17 1.0 ug/L 20.0 83 75-133 Benzene 18 1.0 ug/L 20.0 92 80-134 Chlorobenzene 19 1.0 ug/L 20.0 97 80-120 Toluene 20 1.0 ug/L 20.0 98 71-120 Trichloroethene 20 1.0 ug/L 20.0 99 74-120 Matrix Spike (OH17031-MS1) Prepared: 08/17/2020 13:25 Analyzed: 08/17/2020 18:14 Source: CD10012-05 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes 1,1-Dichloroethene 18 1.0 ug/L 20.0 0.21 U 90 75-133 Benzene 18 1.0 ug/L 20.0 0.15 U 92 80-134 Chlorobenzene 20 1.0 ug/L 20.0 0.17 U 98 80-120 Toluene 19 1.0 ug/L 20.0 0.14 U 97 71-120 Trichloroethene 20 1.0 ug/L 20.0 0.15 U 102 74-120 Matrix Spike Dup (OH17031-MSD1) Prepared: 08/17/2020 13:25 Analyzed: 08/17/2020 18:44 Source: CD10012-05 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes 1,1-Dichloroethene 17 1.0 ug/L 20.0 0.21 U 87 75-133 4 20 Benzene 18 1.0 ug/L 20.0 0.15 U 89 80-134 3 17 Chlorobenzene 19 1.0 ug/L 20.0 0.17 U 94 80-120 3 16 Toluene 19 1.0 ug/L 20.0 0.14 U 95 71-120 2 17 Trichloroethene 20 1.0 ug/L 20.0 0.15 U 98 74-120 4 22 Metals (total recoverable) by EPA 6000/7000 Series Methods - Quality Control Batch OH14O38 - EPA 3OO5A Blank (OH14038-BLKI) Prepared: 08/14/2020 13:04 Analyzed: 08/18/2020 10:14 Analvte Arsenic Barium Beryllium Cadmium Chromium Cobalt Copper Lead Nickel Selenium Silver Vanadium Result Flaq POL Units 7.60 U 10.0 ug/L 1.10 U 10.0 ug/L 0.160 U 1.00 ug/L 0.360 U 1.00 ug/L 1.40 U 10.0 ug/L 1.40 U 10.0 ug/L 1.60 U 10.0 ug/L 3.10 U 10.0 ug/L 2.20 U 10.0 ug/L 6.20 U 10.0 ug/L 1.90 U 10.0 ug/L 1.40 U 10.0 ug/L Spike Source %REC RPD Level Result %REC Limits RPD Limit Notes FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 8 Of 18 (� �Eo www.encolabs.com QUALITY CONTROL DATA Metals (total recoverable) by EPA 6000/7000 Series Methods - Quality Control Batch OH14O38 - EPA 3OO5A - Continued Blank (OH14038-BLKI) Continued Prepared: 08/14/2020 13:04 Analyzed: 08/18/2020 10:14 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Zinc 4.40 U 10.0 ug/L Blank (OH14038-BLK2) Prepared: 08/14/2020 13:04 Analyzed: 08/18/2020 10:17 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Arsenic 7.60 U 10.0 ug/L Barium 1.10 U 10.0 ug/L Beryllium 0.160 U 1.00 ug/L Cadmium 0.360 U 1.00 ug/L Chromium 1.40 U 10.0 ug/L Cobalt 1.40 U 10.0 ug/L Copper 1.60 U 10.0 ug/L Lead 3.10 U 10.0 ug/L Nickel 2.20 U 10.0 ug/L Selenium 6.20 U 10.0 ug/L Silver 1.90 U 10.0 ug/L Vanadium 1.40 U 10.0 ug/L Zinc 4.40 U 10.0 ug/L LCS (OH14038-BSI) Prepared: 08/14/2020 13:04 Analyzed: 08/18/2020 10:23 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Arsenic 207 10.0 ug/L 200 103 80-120 Barium 218 10.0 ug/L 200 109 80-120 Beryllium 20.6 1.00 ug/L 20.0 103 80-120 Cadmium 20.9 1.00 ug/L 20.0 105 80-120 Chromium 210 10.0 ug/L 200 105 80-120 Cobalt 210 10.0 ug/L 200 105 80-120 Copper 208 10.0 ug/L 200 104 80-120 Lead 212 10.0 ug/L 200 106 80-120 Nickel 217 10.0 ug/L 200 108 80-120 Selenium 210 10.0 ug/L 200 105 80-120 Silver 211 10.0 ug/L 200 106 80-120 Vanadium 204 10.0 ug/L 200 102 80-120 Zinc 226 10.0 ug/L 200 113 80-120 Matrix Spike (OH14038-MS1) Prepared: 08/14/2020 13:04 Analyzed: 08/18/2020 10:25 Source: CD10012-05 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Arsenic 200 10.0 ug/L 200 7.60 U 100 75-125 Barium 272 10.0 ug/L 200 53.3 109 75-125 Beryllium 20.9 1.00 ug/L 20.0 0.172 104 75-125 Cadmium 20.8 1.00 ug/L 20.0 0.360 U 104 75-125 Chromium 209 10.0 ug/L 200 1.72 104 75-125 Cobalt 208 10.0 ug/L 200 1.40 U 104 75-125 Copper 208 10.0 ug/L 200 1.93 103 75-125 Lead 209 10.0 ug/L 200 3.10 U 105 75-125 Nickel 216 10.0 ug/L 200 2.20 U 108 75-125 FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. Page 9 Of 18 (� �Eo www.encolabs.com QUALITY CONTROL DATA Metals (total recoverable) by EPA 6000/7000 Series Methods - Quality Control Batch OH14O38 - EPA 3OO5A - Continued Matrix Spike (OH14038-MS3) Continued Prepared: 08/14/2020 13:04 Analyzed: 08/18/2020 10:25 Source: CD10012-05 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Selenium 215 10.0 ug/L 200 6.20 U 107 75-125 Silver 209 10.0 ug/L 200 1.90 U 104 75-125 Vanadium 207 10.0 ug/L 200 1.40 U 104 75-125 Zinc 228 10.0 ug/L 200 4.40 U 114 75-125 Matrix Spike Dup (OH14038-MSD1) Prepared: 08/14/2020 13:04 Analyzed: 08/18/2020 10:27 Source: CD10012-05 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Arsenic 208 10.0 ug/L 200 7.60 U 104 75-125 4 20 Barium 275 10.0 ug/L 200 53.3 111 75-125 1 20 Beryllium 21.1 1.00 ug/L 20.0 0.172 104 75-125 0.6 20 Cadmium 21.1 1.00 ug/L 20.0 0.360 U 105 75-125 1 20 Chromium 212 10.0 ug/L 200 1.72 105 75-125 1 20 Cobalt 213 10.0 ug/L 200 1.40 U 106 75-125 2 20 Copper 209 10.0 ug/L 200 1.93 104 75-125 0.4 20 Lead 214 10.0 ug/L 200 3.10 U 107 75-125 2 20 Nickel 218 10.0 ug/L 200 2.20 U 109 75-125 1 20 Selenium 210 10.0 ug/L 200 6.20 U 105 75-125 2 20 Silver 211 10.0 ug/L 200 1.90 U 106 75-125 1 20 Vanadium 210 10.0 ug/L 200 1.40 U 105 75-125 1 20 Zinc 232 10.0 ug/L 200 4.40 U 116 75-125 1 20 Post Spike (OH14038-PSI) Prepared: 08/14/2020 13:04 Analyzed: 08/18/2020 10:30 Source: CD10012-05 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Arsenic 0.213 0.0100 mg/L 0.200 -0.00314 106 80-120 Barium 0.279 0.0100 mg/L 0.200 0.0533 113 80-120 Beryllium 0.0218 0.00100 mg/L 0.0200 0.000172 108 80-120 Cadmium 0.0215 0.00100 mg/L 0.0200 -2.97E-5 107 80-120 Chromium 0.218 0.0100 mg/L 0.200 0.00172 108 80-120 Cobalt 0.217 0.0100 mg/L 0.200 0.000251 108 80-120 Copper 0.216 0.0100 mg/L 0.200 0.00193 107 80-120 Lead 0.217 0.0100 mg/L 0.200 -0.000693 108 80-120 Nickel 0.224 0.0100 mg/L 0.200 -0.000217 112 80-120 Selenium 0.212 0.0100 mg/L 0.200 0.00113 105 80-120 Silver 0.221 0.0100 mg/L 0.200 0.000729 110 80-120 Vanadium 0.216 0.0100 mg/L 0.200 0.00105 108 80-120 Zinc 0.236 0.0100 mg/L 0.200 0.00283 117 80-120 Batch OH14O41 - EPA 3OO5A Blank (OH14041-BLKI) Prepared: 08/14/2020 13:20 Analyzed: 08/18/2020 10:03 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Antimony 0.370 U 1.00 ug/L Thallium 0.110 U 1.00 ug/L FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 10 of 18 (� �Eo www.encolabs.com QUALITY CONTROL DATA Metals (total recoverable) by EPA 6000/7000 Series Methods - Quality Control Batch OH14041 - EPA 3005A - Continued LCS (OH14041-BSI) Prepared: 08/14/2020 13:20 Analyzed: 08/18/2020 10:07 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Antimony 19.5 1.00 ug/L 20.0 97 80-120 Thallium 19.4 1.00 ug/L 20.0 97 80-120 Matrix Spike (OH14041-MS3) Prepared: 08/14/2020 13:20 Analyzed: 08/18/2020 10:11 Source: CD10012-05 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Antimony 39.2 2.00 ug/L 40.0 0.740 U 98 75-125 Thallium 38.3 2.00 ug/L 40.0 0.220 U 96 75-125 Matrix Spike Dup (OH14041-MSD1) Prepared: 08/14/2020 13:20 Analyzed: 08/18/2020 10:16 Source: CD10012-05 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Antimony 42.8 2.00 ug/L 40.0 0.740 U 107 75-125 9 20 Thallium 40.9 2.00 ug/L 40.0 0.220 U 102 75-125 7 20 Post Spike (OH14041-PS3) Prepared: 08/14/2020 13:20 Analyzed: 08/18/2020 10:20 Source: CD10012-05 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Antimony 23.7 1.00 ug/L 20.0 0.0118 119 75-125 Thallium 22.9 1.00 ug/L 20.0 0.00627 114 75-125 Classical Chemistry Parameters - Quality Control Batch OH13030 - NO PREP Blank (OH13030-BLK1) Prepared: 08/13/2020 15:24 Analyzed: 08/13/2020 15:44 Spike Source %REC RPD Analvte Result Flaa POL Units Level Result %REC Limits RPD Limit Notes Nitrite as N 17 U 100 ug/L LCS (OH13030-BSI) Prepared: 08/13/2020 15:24 Analyzed: 08/13/2020 15:43 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Nitrite as N 0.98 0.10 mg/L 1.00 98 90-110 Matrix Spike (OH13030-MS1) Prepared: 08/13/2020 15:24 Analyzed: 08/13/2020 15:46 Source: CD10015-01 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Nitrite as N 17 U 100 ug/L 1000 17 U 90-110 QM-07 Matrix Spike Dup (OH13030-MSD3) Prepared: 08/13/2020 15:24 Analyzed: 08/13/2020 15:46 Source: CD10015-01 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Nitrite as N 17 ] 100 ug/L 1000 17 U 2 90-110 10 QM-07 Batch OH13032 - NO PREP FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 11 of 18 (� �Eo www.encolabs.com QUALITY CONTROL DATA Classical Chemistry Parameters - Quality Control Batch OH13032 - NO PREP - Continued Blank (OH13032-BLKi) Prepared: 08/13/2020 15:31 Analyzed: 08/13/2020 18:14 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Nitrate/Nitrite as N 41 U 100 ug/L LCS (OH13032-BS1) Prepared: 08/13/2020 15:31 Analyzed: 08/13/2020 18:16 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Nitrate/Nitrite as N 1.3 0.10 mg/L 1.25 101 90-110 Matrix Spike (OH13032-MS3) Prepared: 08/13/2020 15:31 Analyzed: 08/13/2020 18:19 Source: CDIOOIS-01 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Nitrate/Nitrite as N 590 100 ug/L 521 41 U 114 90-110 QM-07 Matrix Spike (OH13032-MS2) Prepared: 08/13/2020 15:31 Analyzed: 08/13/2020 18:25 Source: CD12048-01 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Nitrate/Nitrite as N 90000 5000 ug/L 25000 68000 88 90-110 QM-07 Matrix Spike Dup (OH13032-MSD3) Prepared: 08/13/2020 15:31 Analyzed: 08/13/2020 18:21 Source: CD10015-01 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Nitrate/Nitrite as N 610 100 ug/L 521 41 U 118 90-110 3 10 QM-07 Batch OH14016 - NO PREP Blank (OH14016-BLKi) Prepared & Analyzed: 08/14/2020 07:54 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Biochemical Oxygen Demand 2000 U 2000 ug/L LCS (OH14016-BSI) Prepared & Analyzed: 08/14/2020 07:54 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Biochemical Oxygen Demand 180000 2000 ug/L 198000 91 85-115 Duplicate (OH14016-DUPl) Prepared & Analyzed: 08/14/2020 07:54 Source: CD10015-01 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Biochemical Oxygen Demand 43000 2000 ug/L 44000 3 30 Batch OH14044 - NO PREP Blank (OH14044-BLKi) Prepared: 08/14/2020 13:08 Analyzed: 08/14/2020 19:35 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Sulfate as SO4 2900 U 5000 ug/L FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 12 Of 18 (� �Eo www.encolabs.com QUALITY CONTROL DATA Classical Chemistry Parameters - Quality Control Batch 0H14O44 - NO PREP - Continued LCS (OH14044-BSI) Prepared: 08/14/2020 13:08 Analyzed: 08/14/2020 19:53 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Sulfate as SO4 49000 5000 ug/L 50000 98 90-110 Matrix Spike (OH14044-MS1) Prepared: 08/14/2020 13:08 Analyzed: 08/14/2020 21:04 Source: CD06837-01 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Sulfate as SO4 26000 5000 ug/L 20000 7600 91 90-110 Matrix Spike (OH14044-MS2) Prepared: 08/14/2020 13:08 Analyzed: 08/14/2020 21:57 Source: CD07436-01 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Sulfate as SO4 270000 50000 ug/L 200000 84000 92 90-110 Matrix Spike Dup (OH14044-MSD1) Prepared: 08/14/2020 13:08 Analyzed: 08/14/2020 21:21 Source: CD06837-01 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Sulfate as SO4 26000 5000 ug/L 20000 7600 92 90-110 1 10 Batch 0H17O1O - Same Blank (OH17030-BLK1) Prepared: 08/17/2020 09:40 Analyzed: 08/17/2020 12:26 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Chemical Oxygen Demand 10000 U 10000 ug/L LCS (OH17010-BSI) Prepared: 08/17/2020 09:40 Analyzed: 08/17/2020 12:26 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Chemical Oxygen Demand 500000 10000 ug/L 500000 100 90-110 Matrix Spike (OH17010-MS1) Prepared: 08/17/2020 09:40 Analyzed: 08/17/2020 12:26 Source: CD10015-01 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Chemical Oxygen Demand 1500000 20000 ug/L 1000000 580000 95 90-110 Matrix Spike Dup (OH17030-MSD1) Prepared: 08/17/2020 09:40 Analyzed: 08/17/2020 12:26 Source: CD10015-01 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Chemical Oxygen Demand 1500000 20000 ug/L 1000000 580000 96 90-110 0.8 5 Batch 0H17O16 - Same Blank (OH17016-BLKI) Prepared: 08/17/2020 09:35 Analyzed: 08/21/2020 12:11 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Phosphorus 25 U 100 ug/L FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 13 Of 18 QUALITY CONTROL DATA Classical Chemistry Parameters - Quality Control Batch OH17O16 - Same - Continued (� �Eo www.encolabs.com LCS (OH17016-BSI) Prepared: 08/17/2020 09:35 Analyzed: 08/21/2020 12:12 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Phosphorus 1800 100 ug/L 1600 110 80-120 Matrix Spike (OH17016-MS1) Prepared: 08/17/2020 09:35 Analyzed: 08/21/2020 12:15 Source: CD12985-01 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Phosphorus 8300 E 100 ug/L 640 8100 46 80-120 QM-07 Matrix Spike Dup (OH17016-MSD1) Prepared: 08/17/2020 09:35 Analyzed: 08/21/2020 12:16 Source: CD12985-01 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Phosphorus 8500 E 100 ug/L 640 8100 68 80-120 2 25 QM-07 FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 14 Of 18 (� �Eo www.encolabs.com FLAGS/NOTES AND DEFINITIONS B The analyte was detected in the associated method blank. D The sample was analyzed at dilution. J The reported value is between the laboratory method detection limit (MDL) and the laboratory method reporting limit (MRL), adjusted for actual sample preparation data and moisture content, where applicable. U The analyte was analyzed for but not detected to the level shown, adjusted for actual sample preparation data and moisture content, where applicable. E The concentration indicated for this analyte is an estimated value above the calibration range of the instrument. This value is considered an estimate. MRL Method Reporting Limit. The MRL is roughly equivalent to the practical quantitation limit (PQL) and is based on the low point of the calibration curve, when applicable, sample preparation factor, dilution factor, and, in the case of soil samples, moisture content. PQL PQL: Practical Quantitation Limit. The PQL presented is the laboratory MRL. N The analysis indicates the presence of an analyte for which there is presumptive evidence (85% or greater confidence) to make a "tentative identification". P Greater than 25% concentration difference was observed between the primary and secondary GC column. The lower concentration is reported. [CALC] Calculated analyte - MDL/MRL reported to the highest reporting limit of the component analyses. A-07 Analyte biased low in LCS but detected in the reporting limit standard. Since the analyte in the associated sample was not detected, there is no impact on data quality. QM-07 The spike recovery was outside acceptance limits for the MS and/or MSD. The batch was accepted based on acceptable LCS recovery. FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 15 of 18 Z n i 0 3 y� m 'm r' m m m A a � W a m c 3 �• m /O S m m V Qo O. N W Q B: p1 3 3 W 9 n cam. Z m m m m D m m N 4 a a N m W e. i n , a � I a 3 A � i W : cb ' w v CD O v0 O O m 3 c W n C7 0 -Wp � Q y W W 3 3 3 y NLo GJ _. m G? m OD v A a a � � C) a .i} O m cn oo a m h FTC 0 K m v 8260D Appendix 1 7 � Ag,As,gel,gq,Cd,Cq,Cr,Cu,NI,P>a,5b,5e, M Se,TI,Y,Zn 3X BOD SM5210B �m COD SM5220D y Nitrite as N 353.2 NOX 353.2,P 'T Suite 300 Aaom a Z a. p v a m Z Z A Zm p am r ff 0 z (A m p y� N o Rl ca m 5 Q S�9 z o a W vo 0 ID � m o � Q m m V) I 0 n z p 0 2M A Z,j co $ C �Na ti ro O 3. m m �n 0 N v c z (D q O b CD m 1 X cn $ a `i Q- A 4 Q ti m [� "i2. ..a. Q C m N �' w a CD � 1 � °' _ p O / IA u! Q A O. Page 16 of 18 y W W 3 3 3 y NLo GJ _. m G? m OD v A a a � � C) a .i} O m cn oo a m h FTC 0 K m v 8260D Appendix 1 7 � Ag,As,gel,gq,Cd,Cq,Cr,Cu,NI,P>a,5b,5e, M Se,TI,Y,Zn 3X BOD SM5210B �m COD SM5220D y Nitrite as N 353.2 NOX 353.2,P 'T Suite 300 Aaom a Z a. p v a m Z Z A Zm p am r ff 0 z (A m p y� N o Rl ca m 5 Q S�9 z o a W vo 0 ID � m o � Q m m V) I 0 n z p 0 2M A Z,j co $ C �Na ti ro O 3. m m �n 0 N v c z (D q O b CD m 1 X cn $ a `i Q- A 4 Q ti m [� "i2. ..a. Q C m N �' w a CD � 1 � °' _ p O / IA u! Q A O. Page 16 of 18 C) a .i} O m cn oo a m h FTC 0 K m v 8260D Appendix 1 7 � Ag,As,gel,gq,Cd,Cq,Cr,Cu,NI,P>a,5b,5e, M Se,TI,Y,Zn 3X BOD SM5210B �m COD SM5220D y Nitrite as N 353.2 NOX 353.2,P 'T Suite 300 Aaom a Z a. p v a m Z Z A Zm p am r ff 0 z (A m p y� N o Rl ca m 5 Q S�9 z o a W vo 0 ID � m o � Q m m V) I 0 n z p 0 2M A Z,j co $ C �Na ti ro O 3. m m �n 0 N v c z (D q O b CD m 1 X cn $ a `i Q- A 4 Q ti m [� "i2. ..a. Q C m N �' w a CD � 1 � °' _ p O / IA u! Q A O. Page 16 of 18 v 8260D Appendix 1 7 � Ag,As,gel,gq,Cd,Cq,Cr,Cu,NI,P>a,5b,5e, M Se,TI,Y,Zn 3X BOD SM5210B �m COD SM5220D y Nitrite as N 353.2 NOX 353.2,P 'T Suite 300 Aaom a Z a. p v a m Z Z A Zm p am r ff 0 z (A m p y� N o Rl ca m 5 Q S�9 z o a W vo 0 ID � m o � Q m m V) I 0 n z p 0 2M A Z,j co $ C �Na ti ro O 3. m m �n 0 N v c z (D q O b CD m 1 X cn $ a `i Q- A 4 Q ti m [� "i2. ..a. Q C m N �' w a CD � 1 � °' _ p O / IA u! Q A O. Page 16 of 18 Aaom a Z a. p v a m Z Z A Zm p am r ff 0 z (A m p y� N o Rl ca m 5 Q S�9 z o a W vo 0 ID � m o � Q m m V) I 0 n z p 0 2M A Z,j co $ C �Na ti ro O 3. m m �n 0 N v c z (D q O b CD m 1 X cn $ a `i Q- A 4 Q ti m [� "i2. ..a. Q C m N �' w a CD � 1 � °' _ p O / IA u! Q A O. Page 16 of 18 Sample Preservation Verification ENC• Cary Work Order: CD10015 Client: Golder Associates, Inc. (GO007) EI�ICO. Project: Rowan County Landfill Leachate Project #: 19123756.100 Lagged In: 13-Aug-20 14:06 ` Logged By: John C King Preservation Check Performed By: �` DateMme: 8?Ci C D 10015-01 Cont Type Pres (pH) Requirement pH Checked / In Control pH Adjusted Datelfime Adjusted Reagent Used/Comments C 250mLP,H2SO4 <2 Y 1 N/ NA Y 1 NA D 250mLP+HNO3 <2 Y 1 / NA / N / NA T. fj72(4W Reagent Name ID 1 iWO I ro 2 pH Strip ID: fS Reactent Name ID 3 4 Rea ent Name ID 5 fi C:IELMNTIPrintlwko_Preservation Check. rpt I Page 17 of 18 8/ 14/2020 8:21:4 I A M Laboratory Non -Conformance Memo NCMID: C200814002 Initiated By: JK1NG Date Created: 8/14/2020 8:21:OOAM Identification Identification: - Work Order - C1310015 Affected Samples: CD10015-01 * Affected Analyses: Reference NCM Category: Anomaly Type: Field preservation or packaging Description: Sample preservation was not within limits; pH adjusted Explanation: The sample did not pH to correct method limits. Corrective Action(s) Action Taken: Added I ml of 1 NO3 to sample -01, the sample pH adjusted to correct method limits. Page 18 of 18 GOLDER ASSOCIATES NC, INC. QUALITY ASSURANCE & QUALITY CONTROL LABORATORY DATA REVIEW Page 1 of 3 * GOLDER Project Name: Rowan County Active MSW Landfill - Leachate Project Reference Number: 20140083.100 Sampling Event Date: August 10-12, 2020 Review Date: September 21, 2020 Initials: DC Report #: CD10015 Review: RK Person(s) performing the review are to initial each item on this form as acknowledgement of data acceptance, or as acknowledgement of a review issue. In the case of the latter, a brief explanation should follow the applicable item. Golder Associates Inc. has reviewed the laboratory certificates of analysis, chain -of -custody form, and laboratory provided sample group quality assurance and quality control data for the above referenced sample group to identify potential bias or inaccuracy, in general accordance with the following United States Environmental Protection Agency documents: • Region III Modifications to Functional Guidelines for Organic Data Review Multi -Media, Multi - Concentration, September 1994; • Region III Modifications to the Laboratory Data Validation Functional Guidelines for Evaluating Inorganic Analyses, April 1993; and • Laboratory Data Validation Functional Guidelines for Evaluating Inorganic Analyses, July 1998. COMPLIANCE ANALYTE LIST(S) (check all that apply) NC Closed Facility List (.500 Rules) NC C & D List (New Rules) X NC Appendix I NC Appendix I + Detects NC Appendix II X NC Subtitle D Leachate List Other: 1.0 CHAIN OF CUSTODY (COC) REVIEW DC COC was properly signed by all parties. DC Correct project name and number are on the form. • Report lists 20140083.101 as protect number should be 20140083.100 DC Sample receipt condition at laboratory was acceptable. DC Each sample and blank submitted for analysis appears in the report. 2.0 SAMPLE HOLDING TIMES DC Holding times for extraction and/or analysis were met for each analytical GOLDER ASSOCIATES NC, INC. QUALITY ASSURANCE & QUALITY CONTROL LABORATORY DATA REVIEW Page 2 of 3 Method (see below for reference). %0 GOLDER Review Criteria Method Anal tes Holding Time SW-846 Method 8260 and 8011 VOCs 14 days SW-846 Methods 8270, 8080, 8081, 8082, and 8151 SVOCs, PCBs, pesticides and herbicides 7 days for extraction, 40 days from extraction for anal sis SW-846 Methods 6000 and 7000 Series Metals except mercury 6 months (no temperature requirements) SW-846 Method 7470 Mercury 28 days SW-846 Method 376.1 Sulfide 7 days SW-846 Method 9010 Cyanide 14 days EPA Method 300 Nitrate/Sulfate 48 hours/28 days EPA Method 405.1 BOD 48 hours EPA Method 410.4 COD 28 days EPA Method 365.4 Phosphorous 28 days 3.0 LABORATORY QUALITY CONTROL REVIEW DC Laboratory analyzed at least one internal blank for each method, where applicable. DC Laboratory blank is interference -free. DC Surrogate recoveries are provided for each analytical method, where applicable. DC Surrogate recoveries for each method are within the acceptable limits (i.e., at least 50% of the surrogates were within range). DC MS/MSD/LCS data results are provided for each analytical method. DC MS/MSD/LCS recoveries for each method are within the acceptable limits (i.e., at least 1 of the 3 were within range). The Nitrate/Nitrite (NOX) and Total Phosphorous spike recoveries were outside acceptance limits for the MS and/or MSD. The QC batch was accepted based on acceptable LCS recoveries. 4.0 ANALYTE LISTS/METHODS DC The proper number of constituents are present for each analyte list as identified above (including detects where applicable). DC Proper EPA SM 254OC-1997 analytical methods were used for analysis. 5.0 DATA REPORTING DC All analytical reporting associated with the event was performed by the contracted lab. DC Trip, field and/or equipment, and laboratory blank results have all been reported. All GOLDER ASSOCIATES NC, INC. G O L D E R QUALITY ASSURANCE & QUALITY CONTROL LABORATORY DATA REVIEW Page 3 of 3 detects for blanks are listed below by constituent. All laboratory method blanks, if any, have been `flagged' with a `B' where detected in other samples as appropriate and a laboratory narrative was provided. If the sample was flagged by the laboratory and is not within 5X of the concentration in the blank (or 1 OX for commonly detected laboratory contaminants -acetone, methylene chloride and phthalates), list below with explanation if flags should be removed. If flags need to be added for samples, also list below. DC It is clear from the laboratory report that samples have or have not been diluted during analysis, and if the samples have been diluted, the result is reported as a multiple of the dilution (e.g., a sample diluted 10x resulting in an analytical detection of 1.0 should be reported as 10). Those that have been diluted are listed below with the dilution factor. ➢ Antimony, Thallium (10x), COD (2x) DC The report provides the reporting limit for each constituent. DC The results were reported at or below their proper reporting limits (i.e., MDLs with SWSLs reported). Those that are not reported correctly are listed below (by constituent) with the proper reporting limit listed beside them. State if the reporting limit error is due to dilutions. DC No organic or organic constituents were reported above their respective NC 2L Drinking Water Standards/GWPS in wells, or field/equipment/trip blanks, or above applicable surface water standards in surface water points. DC No inorganic or organic constituents were detected in a well or surface water point at quantified concentrations outside of their historical range (more than 5X previous concentrations or first-time detections). DC Other report issues/Communications with laboratory/etc.: 4 GOLDER golder.com