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8003_Rowan_MSWLF_CDLF_Jan2021GW_FID1575221_20210402
J GOLDER REPORT FIRST SEMI-ANNUAL 2021 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 April 1, 2021 Electronic Data - Email CI] (data loaded: Yes J No ) Doc/Event #. NC DENR F, 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 132-0. Instructions: Prepare one form for each individually monitored unit. Please type or print ieglbly, • Attach a notification table with values that attain or exceed NC 2L groundwater standards or NC 28 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 bola Deliverable to: Compliance unit, NCDENR-DWM, Solid Waste Sectlon, 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 INC, 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: rkirkmanggolder.com Rhone: 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 80-03 _1600 and .600 January 26-27, 2021 (Active MSW and Closed C&D) Woodleaf, NC 27054 Environmental Status., (Check all that apply) IniliallBackground Monitoring XX Detection Monitoring of data submitted: (Check all that apply) Groundwater monitoring data from monitoring wells Groundwater monlloring data from private water supply wells Leachate monitoring data Surface water monitoring data 1X Assessment Monitoring 0 Methane gas monitoring data Corrective action data (specify) Other(specify) Corrective Action 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 28 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 Mmit 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 Consuilanl 336-852-4903 Facility Re resentative Name (Print) rttie (Area Cade) Telephone Number d r'4Gtn.ti} 4/212021 Affix NC Licensed/ Professional Geologist Seal Signature dale Golder Associates NC, Inc., 5B Oak Branch Drive, Greensboro, NC 27407 Facility Representative Address C-2862 NC PE Firm License Number (If applicable effective May 1, 2009) Revised 612009 April 1, 2021 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 April 1, 2021 20140083.100 Executive Summary 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 January 26 - 27, 2021, compliance monitoring 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. Groundwater samples for the C&D landfill and the leachate sample 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. 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). In a September 12, 2008, correspondence from S&ME, Inc. the NC DEQ approved an alternate source demonstration (ASD) for naturally occurring thallium and vanadium. These exceedances were also previously reported in the November 30, 2018, ASD and 14-day notification, which provided evidence that cobalt and vanadium are naturally occurring. Alternate groundwater protection standards for thallium and vanadium were approved by NC DEQ on June 5, 2018. 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) during this event; the cobalt concentration at MW-19 is above the PQL. Indicator parameters iron and manganese were also detected above their respective NC 2L Standards during this event at both downgradient wells. One Appendix I organic constituent (benzene) was detected in the sample from MW-19 at a concentration above the groundwater protection standard. The detections of benzene have fluctuated seasonally during previous 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, NC DEQ memorandum and detected at MW-18R and MW-19 at concentrations above the groundwater standard; this constituent is not part of the facility permit -required testing. As approved by NC DEQ on January 4, 2021, wells MW-18R and MW-19 are scheduled to be replaced prior to the second semi- annual event for 2021. One NC Appendix I inorganic constituent (copper) was detected at downstream surface water monitoring location SW-4 during this event at an estimated concentration above the surface water standard, as it has been previously. No actions are warranted for this estimated concentration. Constituent concentrations reported for the leachate samples collected during this sampling event are typical for leachate at this facility. 4 GOLDER April 1, 2021 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. A monitoring well installation report for replacement wells MW-18R2 and MW-19R will be submitted under separate cover within 30 days of installation as required in the facility permit. GOLDER April 1, 2021 Table of Contents 20140083.100 1.0 INTRODUCTION.............................................................................................................................................1 1.1 Site Description and Background.........................................................................................................1 1.2 Compliance Monitoring History ............................................................................................................1 1.3 Hydrogeologic Setting..........................................................................................................................2 2.0 FIELD PROGRAM, MONITORING RESULTS, AND DISCUSSION.............................................................3 2.1 Visual Inspection Program...................................................................................................................3 2.2 Well Network and Groundwater Elevation Measurements..................................................................3 2.3 January 2021 Groundwater and Surface Water Monitoring Event......................................................3 2.4 Laboratory Analysis Program...............................................................................................................4 3.0 LABORATORY AND FIELD QA/QC..............................................................................................................4 4.0 DATA EVALUATION......................................................................................................................................4 4.1 North Carolina Groundwater and Surface Water Quality Standard Comparisons...............................5 4.1.1 MSW Facility...................................................................................................................................5 4.1.2 C&D Facility....................................................................................................................................5 4.1.3 Surface Water.................................................................................................................................5 5.0 CONCLUSIONS..............................................................................................................................................5 6.0 REFERENCES................................................................................................................................................5 TABLES Table 1 Summary of Historical Static Groundwater Level Elevation Data Table 2 Summary of Estimated Horizontal Flow Velocities Table 3 Summary of Monitoring Well Construction Information Table 4 Summary of Detected Constituents in Groundwater for the Municipal Solid Waste Landfill Table 5 Summary of Groundwater Field Parameters Table 6 Summary of Detected Constituents in Surface Water Table 7 Summary of Surface Water Field Parameters Table 8 Summary of Detected Leachate Parameters 4 GOLDER iv April 1, 2021 Table of Contents (continued) Table 9 Summary of Detected Constituents in Groundwater for the C&D Landfill Table 10 Summary of C&D Landfill Field Parameters DRAWING Drawing 1 Groundwater Contour Map, January 26, 2021 APPENDICES APPENDIX A GROUNDWATER AND SURFACE WATER SAMPLING LOGS 0011El[IIII1911DR, APPENDIX B January 2021 GROUNDWATER AND SURFACE WATER CERTIFICATE -OF -ANALYSIS, CHAIN -OF -CUSTODY FORMS AND LABORATORY DATA REVIEWS GOLDER April 1, 2021 1.0 INTRODUCTION 20140083.100 This report summarizes the monitoring results from the January 26 - 27, 2021, water quality monitoring event 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). 1.2 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. Wells MW-18R and MW-19 are scheduled to be replaced prior to the second semi-annual 2021 compliance monitoring event as approved by the NC DEQ on January 4, 2021. 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 correspondence from NC DEQ dated December 13, 2016. After the 4 GOLDER April 1, 2021 20140083.100 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 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 January 2021 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 January 2021 groundwater surface contour map, the hydraulic gradient in the shallow aquifer underlying the facility averaged approximately 0.035. 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: Ki U9W n e 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 170 feet/year in the MSW area to approximately 494 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 4 GOLDER April 1, 2021 20140083.100 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. 2.0 FIELD PROGRAM, MONITORING RESULTS, AND DISCUSSION Field activities conducted as part of the January 2021 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 leachate migration (i.e., leachate 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 January 2021 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 January 2021 Groundwater and Surface Water Monitoring Event Personnel from Golder visited the facility on January 26 - 27, 2021, to purge and sample the 21 compliance groundwater monitoring wells. Samples were also collected for surface water monitoring locations and the facility's leachate pond. 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. .4 GOLDER 3 April 1, 2021 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. The surface water samples and the French drain groundwater samples were 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 Laboratory Analysis Program The groundwater, surface water, and leachate samples collected on January 2021, 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, the leachate sample was also analyzed for 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, tetra hyd rofu ran, and the additional required C&D parameters under NCAC 1313.0544. Surface water samples were analyzed for NC Appendix I plus. The samples were received at the laboratory on January 29, 2021 in good condition and properly preserved. 3.0 LABORATORY AND FIELD QA/QC A field blank was collected by Golder personnel as part of the January 2021 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). DATA EVALUATION The results of the data evaluations are presented in the following sections. GOLDER 4 April 1, 2021 20140083.100 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. 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). In a September 12, 2008, correspondence from S&ME, Inc. the NC DEQ approved an alternate source demonstration (ASD) for naturally occurring thallium and vanadium. These exceedances were also previously reported in the November 30, 2018, ASD and 14-day notification, which provided evidence that cobalt and vanadium are naturally occurring. Alternate groundwater protection standards for thallium and vanadium were approved by NC DEQ on June 5, 2018. 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) during this event. Cobalt was detected at a quantifiable concentration above IMAC at MW-19. 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 sample from MW-19 at a concentration above the groundwater protection standard. Also, 1,4-dioxane was analyzed per the May 30, 2018, memorandum and concentrations at MW-18R and MW-19 are above the groundwater standard and generally consistent with recent concentrations; this constituent is not part of the facility permit -required testing. As approved by NC DEQ on January 4, 2021, wells MW-18R and MW-19 are scheduled to be replaced prior to the second semi-annual event for 2021. 4.1.3 Surface Water One NC Appendix I inorganic constituent (copper) was detected at surface water monitoring location SW-4 during this event at an estimated concentration above the surface water standard, as it has been previously. Because concentration is 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. 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. 4 GOLDER April 1, 2021 20140083.100 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. 4 GOLDER April 1, 2021 Signature Page Golder Associates NC, Inc. 4`�—� fV'f Darren Cox Staff Environmental Scientist DECIRPKIdec: Rachel P. Kirkman, PG Principal and Senior Consultant Engineering Lic, No. C-28621Geology 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. http3:11901derassociates.sharepoint,WM1S tesM291B1prgeet Mesl5 technical work/phase 100 adive wgmrl200 deliv125D final issue&252 wqm - 1 s1 5enli•enrip4d 2021llinat rowan co 1st sami- annual wqmr 2D21.docx i GOLDER 7 TABLES April 2021 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 7.14 682.68 13.65 707.93 44.76 707.91 47.45 643.93 17.46 644.21 9.24 685.97 31.03 665.94 31.31 665.90 31.01 01 /26/21 703.89 13.61 663.39 4.76 648.27 14.87 716.08 22.05 675.53 7.74 679.68 6.20 683.13 13.20 708.09 44.60 707.45 47.91 645.28 16.11 645.05 8.40 684.85 32.15 665.80 31.45 665.73 31.18 MEAN 698.03 19.47 660.45 7.70 646.62 16.47 707.52 30.61 674.78 8.49 678.58 7.30 682.14 14.19 705.18 47.51 705.88 49.48 642.73 18.67 643.12 10.33 685.21 31.79 664.48 32.77 664.30 32.61 MAXIMUM 704.67 24.80 666.00 11.00 649.45 20.35 716.08 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 22.05 672.75 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 April 2021 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 -- N 1 -- 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 NI 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 NI 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 N 1 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 NI 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 01 /26/21 683.15 33.95 673.62 33.84 663.32 33.98 656.91 6.99 656.71 7.31 659.91 22.15 663.48 21.78 MEAN 681.44 35.92 650.07 35.28 641.90 35.30 699.27 8.30 666.72 8.62 661.19 23.12 662.22 23.22 MAXIMUM 683.15 36.86 673.62 37.88 663.32 37.28 730.23 9.40 675.07 9.73 665.43 24.68 663.48 24.68 MINIMUM 680.34 33.95 630.63 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 April 2021 Table 2 Summary of Estimated Horizontal Flow Velocities Rowan County Landfill (Active MSW and Closed C&D Facilities) Permit #80-03 Project No. 20140083 January 2021 Gradient Calculation Gradient Segment Gradient Segment Horizontal Gradient Effective Porosity Hydraulic Hy Velocity (VgW, Segment Flow Direction Length (feet) Elevations (feet) (i, feet) (ne) Conductivity (K, feet/year) cm/sec) 690____________ i SW 2572 ____________ 0.0194 0.26 0.002 155 640 700__________ i z SSW 1713 ____________ 0.0234 0.26 0.002 186 660 700_ i 3 SSW 966 ___________ 0.0621 0.26 0.002 494 640 Notes: Horizontal velocities based on the modified Darcy equation VgW = Ki/ne Values for K and newere based on geometric average values taken from S&ME's October 2005 Design Hydrogeologic Report referenced in the text. i GOLDER Page 1 of 1 April 2021 Project No. 20140083 Table 3 Summary of Monitoring Well Construction Information Rowan County Landfill (Active MSW and Closed C&D Facilities) Permit No. 80-03 Well Identification Northing Easting Date 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. GOLDER Page 1 of 1 April 2021 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 Blanks Limit MW-9 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 Drain Antimony ug/L 10/01 /93 -- -- -- ND -- ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- I MAC= 1 ug/L u g/L 07/01 /94 -- -- -- ND -- ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- EPA MCL = 6 ug/L ug/L 10/01/94 -- -- -- ND -- ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 01 /01 /95 -- -- -- ND -- ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 05/01 /95 -- -- -- ND -- ND ND 10 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 10/01 /95 -- -- -- ND -- ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 04/01 /96 -- -- -- ND -- ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 10/01 /96 -- -- -- ND -- ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 04/01 /97 -- -- -- ND -- ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 10/01/97 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/ L 04/01 /98 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/ L 10/01 /98 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/L 04/01 /9 9 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g /L 09/01 /99 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 05/01/00 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/ L 09/01 /00 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/ L 04/01 /01 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/L 10/01 /01 -- -- -- ND ND 54 ND ND ND ND 33 -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g /L 04/01 /02 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g /L 11 /01 /02 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/ L 05/01 /03 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/ L 10/01 /0 3 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/L 0 5/01 /04 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g /L 11 /01 /04 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g /L 0 5/01 /0 5 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/L 11 /04/05 -- -- -- -- -- -- -- -- -- -- -- ND ND ND ND ND ND -- -- -- -- -- -- -- -- ug/L 12/12/05 -- -- -- -- -- -- -- -- -- -- -- ND ND ND ND ND ND -- -- -- -- -- -- -- -- u g/ L 12/ 13/0 5 -- -- -- -- -- -- -- -- -- -- -- ND ND ND ND ND ND -- -- -- -- -- -- -- -- ug/L 12/22/05 -- -- -- -- -- -- -- -- -- -- -- ND ND ND ND ND ND -- -- -- -- -- -- -- -- ug/L 12/30/05 -- -- 30 ND ND ND ND ND ND ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- ND ug/L 09/26/06 -- -- 30 ND ND ND ND ND ND ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- ND ug/L 01/31/07 -- -- 6 ND ND ND ND ND ND ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- ND ug/L 07/12/07 -- -- 6 ND ND ND ND ND ND ND ND ND ND ND ND ND Dry -- -- -- -- -- -- ND ND ug/L 01/17/08 -- -- 6 ND ND ND ND ND ND ND ND ND ND ND ND ND Dry -- -- -- -- -- -- ND ND ug/L 07/30/08 -- -- 6 ND ND ND ND ND ND ND ND ND ND ND ND ND Dry -- -- -- -- -- -- ND ND ug/L 01/21/09 -- -- 6 ND ND ND ND ND ND ND ND ND ND ND ND ND Dry -- -- -- -- -- -- ND ND ug/L 07/14/09 -- -- 6 ND ND ND ND ND ND ND ND ND ND ND ND ND Dry -- -- -- -- -- -- ND ND ug/L 01/07/10 -- -- 6 ND 0.16 J ND ND ND ND ND ND ND ND ND ND ND Dry -- -- -- -- -- -- ND ND ug/L 07/20/10 -- -- 6 ND ND ND ND ND ND ND ND ND ND ND ND ND Dry -- -- -- -- -- -- ND ND ug/L 01/31/11 -- -- 6 ND ND ND ND 0.243 J ND ND 0.444 J ND ND ND ND ND Dry -- -- -- -- -- -- ND ND ug/L 07/18/11 -- -- 6 ND ND 0.245 J ND ND ND ND ND ND ND 0.281 J ND ND -- ND -- -- -- -- -- ND ND ug/L 01/24/12 -- -- 6 ND ND 0.542 B ND 0.754 B ND ND ND ND ND ND ND ND -- ND -- -- -- -- -- ND 0.259 J ug/L 07/17/12 -- -- 6 ND ND 0.673 J 0.339 J 1.22 J ND ND ND ND 0.306 J ND ND ND -- ND -- -- -- -- -- ND ND ug/L 01/22/13 -- -- 6 1.6 B ND 0.787 B -- ND 0.241 B ND 0.439 B Dry ND ND ND 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 ND -- 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 -- -- ND ND -- ND ND ND ND ND -- ND ND ug/L 07/15/14 -- -- 6 ND ND 0.428 J -- ND ND 1.29 J ND ND -- -- ND ND -- ND ND ND ND ND -- ND ND ug/L 01/20/15 0.220 -- 6 0.315 J ND 0.645 J -- 0.407 J 0.307 J 1.2 J ND ND -- -- ND ND -- ND -- -- -- -- -- -- ND ug/L 07/23/15 0.220 -- 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 0.220 -- 6 0.446 B ND 1.37 B -- 0.637 B 0.224 B 0.772 B ND ND -- -- ND ND -- ND ND ND 0.239 B ND -- ND 0.577 J ug/L 08/01/16 0.220 -- 6 ND ND ND ND ND ND ND ND ND -- -- ND ND -- ND ND ND ND ND -- ND ND ug/L 01/18/17 0.370 -- 6 ND ND ND -- ND ND 0.618 J ND ND -- -- ND ND -- ND ND ND ND ND -- ND ND ug/L 07/24/17 0.370 -- 6 ND ND ND -- ND ND ND ND ND -- -- ND ND -- ND ND ND ND -- ND Dry ND ug/L 11/01/17 0.370 -- 6 __ __ __ __ __ __ __ __ __ __ __ __ __ __ -- -- -- -- -- ND Dry ND ug/L 02/20/18 0.370 -- 6 ND ND ND -- ND ND ND ND ND -- -- ND ND -- ND ND ND ND -- ND Dry ND ug/L 08/08/18 1.850 5.0 -- ND ND ND -- ND ND ND ND ND -- -- ND ND -- ND ND ND ND ND Dry ND ug/L 01/15/19 1.850 5.0 -- ND ND ND -- ND ND ND ND ND -- -- ND ND -- ND ND ND ND -- ND Dry ND ug/L 08/14/19 0.740 2.0 -- ND ND ND -- ND ND ND ND ND -- -- ND ND -- ND ND ND ND -- ND ND ND ug/L 01/13/20 0.740 2.0 -- ND ND ND -- ND ND ND ND ND -- -- ND ND -- ND ND ND ND -- ND Dry ND ug/L 08/11/20 0.740 2.0 -- ND ND ND -- ND ND ND ND ND -- -- ND ND -- ND ND ND ND -- ND ND ND ug/L 01/26/21 0.740 2.0 -- ND ND ND -- ND ND ND ND ND -- -- ND ND -- ND ND ND ND -- ND ND ND 10 G 0 L D E R Page 1 of 21 April 2021 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 Blanks Limit MW-9 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 Drain Arsenic ug/L 10/01 /93 -- -- -- ND -- ND N D ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- NC 2L = 10 ug/L ug/L 07/01/94 -- -- -- ND -- ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- EPA M C L = 10 u g/ L u g/ L 10/01 /94 -- -- -- ND -- N D ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 01 /01 /95 -- -- -- N D -- ND ND N D -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 05/01 /95 -- -- -- ND -- ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 10/01 /95 -- -- -- ND -- ND ND 27 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 04/01 /96 -- -- -- ND -- ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/L 10/01 /96 -- -- -- ND -- ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 04/01 /97 -- -- -- ND -- ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/L 10/01 /9 7 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g /L 04/01 /98 -- -- -- ND ND ND N D ND ND ND 11 -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/ L 10/01 /98 -- -- -- ND ND ND ND ND N D ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/ L 04/01 /99 -- -- -- ND N D ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 09/01 /99 -- -- -- ND ND ND ND N D ND N D 10 -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/L 05/01 /00 -- -- -- ND ND ND N D 15 18 ND 21 -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 09/01 /00 -- -- -- ND ND 12 N D 14 36 ND 63 -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/ L 04/01 /01 -- -- -- ND ND ND ND ND 14 ND 24 -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 10/01 /01 -- -- -- N D N D 64 ND 31 30 ND 100 -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g /L 04/01 /02 -- -- -- ND ND ND N D ND ND ND N D -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/L 11 /01 /02 -- -- -- ND 12 ND ND 11 ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g /L 05/01 /0 3 -- -- -- ND ND ND N D ND ND ND N D -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/L 10/01 /03 -- -- -- ND ND ND ND ND N D ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 05/01/04 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g /L 11 /01 /04 -- -- -- ND ND ND ND ND ND N D ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 05/01 /05 -- -- -- ND 13 ND N D ND ND ND N D -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 11 /04/05 -- -- -- -- -- -- -- -- -- -- -- ND ND ND N D ND ND -- -- -- -- -- -- -- -- u g/L 12/ 12/05 -- -- -- -- -- -- -- -- -- -- -- N D ND 31 ND ND N D -- -- -- -- -- -- -- -- u g/ L 12/ 13/05 -- -- -- -- -- -- -- -- -- -- -- ND ND N D ND ND ND -- -- -- -- -- -- -- -- ug/L 12/22/05 -- -- -- -- -- -- -- -- -- -- -- ND ND 29 ND N D ND -- -- -- -- -- -- -- -- ug/L 12/30/05 -- -- 10 ND ND ND ND ND ND ND ND ND ND ND ND 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 3.7 B 2.3 B ND 3.9 B ND ND 2.5 B ND ND ND 2.2 B ND 3.1 B -- -- -- -- -- -- -- 3 J 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 2.1 J 2.6 J ND 3.5 J ND ND ND 2.7 J ND ND ND 2.1 J Dry -- -- -- -- -- -- 2.3 J ND ug/L 07/30/08 -- -- 10 ND ND ND ND ND ND 3.7 J ND ND ND 3.3 J ND 4.1 J Dry -- -- -- -- -- -- 3.1 J ND ug/L 01/21/09 -- -- 10 ND ND ND ND ND ND ND ND ND ND ND ND ND Dry -- -- -- -- -- -- ND ND ug/L 07/14/09 -- -- 10 ND ND ND ND ND ND ND ND ND 4.4 B ND ND ND Dry -- -- -- -- -- -- ND 3.84 J ug/L 01/07/10 -- -- 10 ND ND ND ND ND ND ND ND ND ND ND ND ND Dry -- -- -- -- -- -- ND ND ug/L 07/20/10 -- -- 10 ND ND ND ND ND ND ND ND ND ND ND ND ND Dry -- -- -- -- -- -- ND ND ug/L 01/31/11 -- -- 10 ND ND ND ND 3.46 B ND 4.77 B ND ND ND 5.07 B ND ND Dry -- -- -- -- -- -- ND 4.78 J ug/L 07/18/11 -- -- 10 ND ND 4.77 J ND 3.02 J ND ND ND ND ND ND ND ND -- 3.59 J -- -- -- -- -- ND ND ug/L 01/24/12 -- -- 10 ND ND ND ND ND ND ND ND ND ND ND ND ND -- ND -- -- -- -- -- ND ND ug/L 07/17/12 -- -- 10 ND ND 3.9 J ND 4.82 J 4.18 J 2.96 J ND 3.14 J 5.61 J ND 4.45 J 3.31 J -- 5.72 J -- -- -- -- -- ND ND ug/L 01/22/13 -- -- 10 ND ND ND -- ND ND ND ND Dry ND ND ND ND -- ND ND ND ND ND -- ND ND 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 ND -- ND ND ND ND 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 5.40 -- 10 ND ND ND -- ND ND ND ND ND -- -- ND ND -- ND -- -- -- -- -- -- ND ug/L 07/23/15 6.80 -- 10 ND ND ND -- ND ND ND ND Dry -- -- ND ND -- ND ND ND ND ND -- ND ND ug/L 01/12/16 6.80 -- 10 ND ND ND -- ND ND ND ND ND -- -- ND ND -- ND ND ND ND ND -- ND ND ug/L 08/01/16 6.80 -- 10 ND ND ND ND ND ND ND ND ND -- -- ND ND -- ND ND ND ND ND -- ND ND ug/L 01/18/17 6.80 -- 10 ND ND ND -- ND ND ND ND ND -- -- ND ND -- ND ND ND ND ND -- ND ND ug/L 07/24/17 6.80 -- 10 ND ND ND -- ND ND ND ND ND -- -- ND ND -- ND ND ND ND -- ND Dry ND u g/ L 11 /01 / 17 6.80 -- 10 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ND Dry ND ug/L 02/20/18 6.80 -- 10 ND ND ND -- ND ND ND ND ND -- -- ND ND -- ND ND ND ND -- ND Dry ND ug/L 08/08/18 7.60 10.0 -- ND ND ND -- ND ND ND ND ND -- -- ND ND -- ND ND ND ND ND Dry ND ug/L 01/15/19 7.60 10.0 -- ND ND ND -- ND ND ND ND ND -- -- ND ND -- ND ND ND ND -- ND Dry ND ug/L 08/14/19 7.60 10.0 -- ND ND ND -- ND ND ND ND ND -- -- ND ND -- ND ND ND ND -- ND ND ND ug/L 01/13/20 7.60 10.0 -- ND ND ND -- ND ND ND ND ND -- -- ND ND -- ND ND ND ND -- ND Dry ND ug/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 ug/L 01/26/21 7.60 10.0 -- ND ND ND -- ND ND ND ND ND -- -- ND ND -- ND ND ND ND -- ND ND ND 10 GOLDER Page 2 of 21 April 2021 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 Blanks Limit MW-9 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 Drain Barium ug/L 10/01 /93 -- -- -- ND -- 100 ND 200 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- NC 2L = 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 -- -- -- ND -- ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 05/01 /95 -- -- -- 100 -- ND ND 200 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 10/01 /95 -- -- -- ND -- ND ND 1850 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 04/01 /96 -- -- -- ND -- ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/L 10/01 /96 -- -- -- ND -- ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 04/01 /97 -- -- -- 75 -- 58 ND 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 ND 110 ND 140 430 180 690 -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/ L 04/01 /99 -- -- -- ND ND ND ND ND 540 ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 09/01 /99 -- -- -- ND ND ND ND ND 510 ND 710 -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 05/01 /00 -- -- -- ND ND ND ND 690 910 ND 1300 -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 09/01 /00 -- -- -- ND ND ND ND 580 1000 ND 2100 -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 04/01 /01 -- -- -- ND ND ND ND ND 690 ND 1100 -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 10/01 /01 -- -- -- ND ND 3000 ND 1100 910 ND 4000 -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/L 04/01 /02 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g /L 11 /01 /02 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g /L 0 5/01 /0 3 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/L 10/01 /03 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/ L 0 5/01 /04 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/L 11 /01 /04 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g /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 -- -- -- -- -- -- -- -- -- -- -- ND ND 1300 740 ND ND -- -- -- -- -- -- -- -- u g/ L 12/ 13/05 -- -- -- -- -- -- -- -- -- -- -- ND ND ND ND ND ND -- -- -- -- -- -- -- -- ug/L 12/22/05 -- -- -- -- -- -- -- -- -- -- -- ND ND 1100 ND ND ND -- -- -- -- -- -- -- -- ug/L 12/30/05 -- -- 500 ND ND ND ND ND ND ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- ND ug/L 09/26/06 -- -- 500 ND ND ND ND ND ND ND ND 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 1.00 -- 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 1.00 -- 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 1.00 -- 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 1.00 -- 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 1.00 -- 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 ND ug/L 07/24/17 1.00 -- 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 1.00 -- 100 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 229 Dry ND ug/L 02/20/18 1.00 -- 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 1.10 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 1.10 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 1.10 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 1.10 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 ug/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 ug/L 01/26/21 1.10 10.0 -- 64.8 15.4 98.6 -- 64.3 40.8 55.8 87.0 81.7 -- -- 207 26.3 -- 57.2 30.0 78.8 82.2 -- 427 54.0 ND 10 GOLDER Page 3 of 21 April 2021 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 Blanks Limit MW-9 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 Drain Beryllium ug/L 10/01 /93 -- -- -- ND -- ND N D ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- I MAC = 4 ug/L ug/L 07/01 /94 -- -- -- ND -- ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- EPA M C L = 4 u g /L u g/ L 10/01 /94 -- -- -- ND -- ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 01 /01 /95 -- -- -- ND -- ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 05/01 /95 -- -- -- ND -- ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 10/01 /95 -- -- -- ND -- ND ND 18.4 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 04/01 /96 -- -- -- ND -- ND ND 9.3 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/L 10/01 /96 -- -- -- ND -- ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 04/01 /97 -- -- -- ND -- ND ND 7 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 10/01 /97 -- -- -- ND ND ND ND 5 15 1 13 -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 04/01 /98 -- -- -- ND ND ND ND 3 9 3 29 -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/ L 10/01 /98 -- -- -- ND ND ND ND ND 3 ND 3 -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 04/01 /99 -- -- -- 3 ND ND ND ND 4 ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 09/01 /99 -- -- -- ND ND ND ND ND 4 ND 4 -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 05/01 /00 -- -- -- ND ND ND ND 6 8 ND 10 -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 09/01 /00 -- -- -- ND ND 4 ND 5 10 ND 18 -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/ L 04/01 /01 -- -- -- ND ND ND ND 3 8 ND 10 -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 10/01 /01 -- -- -- ND ND 30 ND 11 10 ND 29 -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g /L 04/01 /02 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/L 11 /01 /02 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 05/01 /03 -- -- -- ND ND ND ND 2 ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/L 10/01 /03 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/ L 0 5/01 /04 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/L 11 /01 /04 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g /L 05/01 /05 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 11 /04/05 -- -- -- -- -- -- -- -- -- -- -- ND ND ND ND ND 4.3 -- -- -- -- -- -- -- -- ug/L 12/ 12/05 -- -- -- -- -- -- -- -- -- -- -- ND ND 7.6 4.1 ND 3.1 -- -- -- -- -- -- -- -- ug/L 12/13/05 -- -- -- -- -- -- -- -- -- -- -- ND 21 ND ND ND 3.7 -- -- -- -- -- -- -- -- ug/L 12/22/05 -- -- -- -- -- -- -- -- -- -- -- ND ND 5.8 ND ND ND -- -- -- -- -- -- -- -- ug/L 12/30/05 -- -- 2 ND ND ND ND ND ND ND ND ND ND ND 2.6 ND ND -- -- -- -- -- -- -- ND ug/L 09/26/06 -- -- 2 ND ND ND ND ND ND ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- ND ug/L 01/31/07 -- -- 1 ND ND ND ND ND ND ND ND ND ND ND ND ND 0.7 J -- -- -- -- -- -- -- ND ug/L 07/12/07 -- -- 1 ND ND ND ND ND ND ND ND 0.3 J 0.5 J 0.3 J ND ND Dry -- -- -- -- -- -- ND ND ug/L 01/17/08 -- -- 1 ND ND ND ND ND ND ND ND ND ND ND ND ND Dry -- -- -- -- -- -- ND ND ug/L 07/30/08 -- -- 1 ND ND 0.1 J ND 0.3 J ND 0.1 J ND 0.1 J 0.4 J 0.1 J ND ND Dry -- -- -- -- -- -- ND ND ug/L 01/21/09 -- -- 1 ND ND ND ND ND ND ND ND 0.1 J ND 0.2 J 0.1 J ND Dry -- -- -- -- -- -- ND ND ug/L 07/14/09 -- -- 1 ND ND 0.0858 J ND 0.247 J ND 0.17 J ND 0.298 J ND 0.232 J 0.106 J ND Dry -- -- -- -- -- -- ND ND ug/L 01/07/10 -- -- 1 ND 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 ND Dry -- -- -- -- -- -- ND ND ug/L 07/20/10 -- -- 1 ND ND ND ND 0.575 J ND ND ND 0.289 J ND 0.123 J 0.129 J ND Dry -- -- -- -- -- -- ND ND ug/L 01/31/11 -- -- 1 ND 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 ND Dry -- -- -- -- -- -- ND ND ug/L 07/18/11 -- -- 1 ND ND ND ND 0.227 J ND 0.167 J ND 0.347 J ND 0.244 J 0.149 J ND -- 0.409 J -- -- -- -- -- ND ND ug/L 01/24/12 -- -- 1 ND ND ND ND 0.108 J 0.151 J 0.221 J ND 0.236 J ND 0.186 J ND ND -- 0.28 J -- -- -- -- -- ND ND ug/L 07/17/12 -- -- 1 ND 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 ND ND 0.103 J -- 0.215 J ND 0.405 J ND Dry 0.114 J 0.45 J 0.288 J ND -- 0.418 J ND 0.344 J 0.353 J 1.62 -- ND ND ug/L 07/15/13 -- -- 1 ND ND ND -- 0.258 J ND 0.257 J ND 0.26 J -- -- 0.254 J ND -- 0.329 J ND 0.317 J ND 1.84 -- ND ND ug/L 01/27/14 -- -- 1 ND ND ND -- 0.139 J ND 0.148 J ND Dry -- -- ND ND -- 0.223 J ND 0.366 J ND 1.82 -- ND ND ug/L 07/15/14 -- -- 1 ND ND ND -- 0.284 J ND 0.416 J ND 0.401 J -- -- 0.18 J ND -- 0.315 J ND 0.387 J ND 1.91 -- ND ND ug/L 01/20/15 0.10 -- 1 ND ND ND -- 0.256 J ND 0.246 J ND 0.283 J -- -- 0.185 J ND -- 0.281 J -- -- -- -- -- -- ND ug/L 07/23/15 0.10 -- 1 ND ND ND -- 0.215 J ND ND ND Dry -- -- 0.183 J ND -- 0.253 J ND 0.319 J ND 1.84 -- ND ND ug/L 01/12/16 0.10 -- 1 ND ND ND -- 0.201 J ND 0.207 J ND 0.261 J -- -- 0.11 J ND -- 0.232 J ND 0.214 J ND 1.81 -- ND ND ug/L 08/01/16 0.10 -- 1 ND ND 0.13 J ND 0.234 J ND 0.282 J 0.111 J 0.364 J -- -- 0.187 J ND -- 0.284 J ND 0.241 J 0.124 J 1.91 -- ND ND ug/L 01/18/17 0.10 -- 1 ND ND ND -- ND ND 0.191 J ND 0.108 J -- -- 0.104 J ND -- ND ND 0.133 J 0.151 J 2.07 -- ND ND ug/L 07/24/17 0.10 -- 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 0.10 -- 1 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 0.238 J Dry ND ug/L 02/20/18 0.10 -- 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 ND 0.230 J -- -- 0.195 J ND -- 0.198 J ND 0.196 J 0.482 J -- 0.511 J Dry ND ug/L 08/11/20 0.160 1.00 -- ND ND ND -- 0.191 J ND 0.172 J ND ND -- -- 0.172 J ND -- 0.225 J ND 0.294 J 0.315 J -- 0.681 J ND ND ug/L 01/26/21 0.160 1.0 -- ND ND ND -- 0.181 J ND 0.252 J ND 0.251 J -- -- 0.257 J ND -- 0.218 J ND 0.276 J 0.247 J -- 0.665 J ND ND 10 GOLDER Page 4 of 21 April 2021 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 Blanks Limit MW-9 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 Drain Cadmium u g /L 10/01 /9 3 -- -- -- ND -- ND N D ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- NC 2L = 2 ug/L ug/L 07/01/94 -- -- -- ND -- ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- EPA M C L = 5 u g /L u g/ L 10/01 /94 -- -- -- ND -- ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 01 /01 /95 -- -- -- ND -- ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 05/01 /95 -- -- -- ND -- ND 4 ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 10/01 /95 -- -- -- ND -- ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 04/01 /96 -- -- -- ND -- ND ND 1 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/L 10/01 /96 -- -- -- ND -- ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 04/01 /97 -- -- -- ND -- ND 1 ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/L 10/01 /9 7 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g /L 04/01 /98 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 10/01 /98 -- -- -- 2 ND 2 ND ND 2 3 3 -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/ L 04/01 /99 -- -- -- 4 ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 09/01 /99 -- -- -- ND ND 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 ND 3 4 3 8 -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/L 04/01 /01 -- -- -- ND ND ND ND ND 1 ND 1 -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 10/01/01 -- -- -- ND ND 2 ND ND ND ND 2 -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g /L 04/01 /02 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/L 11 /01 /02 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 05/01 /03 -- -- -- 1 ND ND 1 ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/L 10/01 /03 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/ L 0 5/01 /04 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g /L 11 /01 /04 -- -- -- 1 ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g /L 05/01 /05 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 11 /04/05 -- -- -- -- -- -- -- -- -- -- -- ND ND ND ND ND ND -- -- -- -- -- -- -- -- u g/L 12/ 12/05 -- -- -- -- -- -- -- -- -- -- -- ND ND ND ND ND ND -- -- -- -- -- -- -- -- u g/ L 12/ 13/05 -- -- -- -- -- -- -- -- -- -- -- ND ND ND ND ND ND -- -- -- -- -- -- -- -- ug/L 12/22/05 -- -- -- -- -- -- -- -- -- -- -- ND ND ND ND ND ND -- -- -- -- -- -- -- -- ug/L 12/30/05 -- -- 1 ND ND 18 ND 3.9 ND ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- ND ug/L 09/26/06 -- -- 1 ND ND ND ND ND ND ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- ND ug/L 01/31/07 -- -- 1 ND ND ND ND ND ND ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- ND ug/L 07/12/07 -- -- 1 ND ND ND ND ND ND ND ND ND ND ND ND ND Dry -- -- -- -- -- -- ND ND ug/L 01/17/08 -- -- 1 ND ND ND ND ND ND ND ND ND ND ND ND ND Dry -- -- -- -- -- -- ND ND ug/L 07/30/08 -- -- 1 ND 0.4 B ND ND ND ND ND ND ND ND ND ND ND Dry -- -- -- -- -- -- ND 0.7 J ug/L 01/21/09 -- -- 1 ND ND ND ND ND ND ND ND 1 ND ND ND 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 ND 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 ND ND ND ND ND ND Dry -- -- -- -- -- -- ND ND ug/L 01/31/11 -- -- 1 ND ND ND ND ND ND ND ND ND ND 0.621 J ND ND Dry -- -- -- -- -- -- ND ND ug/L 07/18/11 -- -- 1 ND ND ND ND ND ND ND ND ND ND ND ND ND -- ND -- -- -- -- -- ND ND ug/L 01/24/12 -- -- 1 ND ND ND ND ND ND ND ND ND ND ND ND ND -- ND -- -- -- -- -- ND ND ug/L 07/17/12 -- -- 1 ND ND ND ND ND ND ND ND ND ND ND ND ND -- ND -- -- -- -- -- ND ND ug/L 01/22/13 -- -- 1 ND ND ND -- ND ND ND ND Dry ND ND ND ND -- ND ND ND ND ND -- ND ND ug/L 07/15/13 -- -- 1 ND ND ND -- ND ND ND ND ND -- -- ND ND -- ND ND ND ND ND -- ND ND ug/L 01/27/14 -- -- 1 ND ND ND -- ND ND 3.11 ND Dry -- -- ND ND -- ND ND ND ND ND -- ND ND ug/L 07/15/14 -- -- 1 ND ND ND -- ND ND ND ND ND -- -- ND ND -- ND ND ND ND ND -- ND ND ug/L 01/20/15 0.360 -- 1 ND ND ND -- ND ND ND ND ND -- -- ND ND -- ND -- -- -- -- -- -- ND ug/L 07/23/15 0.360 -- 1 ND ND ND -- ND ND ND ND Dry -- -- ND ND -- ND ND ND ND ND -- ND ND ug/L 01/12/16 0.360 -- 1 ND ND ND -- ND ND ND ND ND -- -- ND ND -- ND ND ND ND ND -- ND ND ug/L 08/01/16 0.360 -- 1 ND ND ND ND ND ND ND ND 0.363 J -- -- ND ND -- ND ND ND ND ND -- ND ND ug/L 01/18/17 0.360 -- 1 ND ND ND -- ND ND ND ND ND -- -- ND ND -- ND ND ND ND ND -- ND ND ug/L 07/24/17 0.360 -- 1 ND ND ND -- ND ND ND ND ND -- -- ND ND -- ND ND ND ND -- ND Dry ND ug/L 11/01/17 0.360 -- 1 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ND Dry ND ug/L 02/20/18 0.360 -- 1 ND ND ND -- ND ND ND ND 0.374 B -- -- ND ND -- ND ND ND ND -- ND Dry 0.383 J ug/L 08/08/18 0.360 1.00 -- ND ND ND -- ND ND ND ND ND -- -- ND ND -- ND ND ND ND -- ND Dry ND ug/L 01/15/19 0.360 1.00 -- ND ND ND -- ND ND ND ND ND -- -- ND ND -- ND ND ND ND -- ND Dry ND ug/L 08/14/19 0.360 1.00 -- ND ND ND -- ND ND ND ND ND -- -- ND ND -- ND ND ND ND -- ND ND ND ug/L 01/13/20 0.360 1.00 -- ND ND ND -- ND ND ND ND ND -- -- ND ND -- ND ND ND ND -- ND Dry ND ug/L 08/11/20 0.360 1.00 -- ND ND ND -- ND ND ND ND ND -- -- ND ND -- ND ND ND ND -- ND ND ND ug/L 01/26/21 0.360 1.00 -- ND ND ND -- ND ND ND ND ND -- -- ND ND -- ND ND ND ND -- ND ND ND 10 GOLDER Page 5 of 21 April 2021 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 Blanks Limit MW-9 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 Drain Chromium u g /L 10/01 /9 3 -- -- -- ND -- ND N D ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- NC 2L = 10 ug/L ug/L 07/01/94 -- -- -- ND -- ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- EPA M C L = 100 u g/L u g/L 10/01 /94 -- -- -- ND -- N D ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 01 /01 /95 -- -- -- N D -- ND ND N D -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 05/01 /95 -- -- -- ND -- ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 10/01 /95 -- -- -- ND -- ND ND 51 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 04/01 /96 -- -- -- ND -- ND ND 10 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/L 10/01 /96 -- -- -- 20.4 -- ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 04/01 /97 -- -- -- 9 -- 2 45 34 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 10/01 /97 -- -- -- 15 2 10 ND 9 210 22 800 -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 04/01 /98 -- -- -- 14 17 3 N D 9 140 54 750 -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/ L 10/01 /98 -- -- -- ND ND ND ND ND 11 19 16 -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/ L 04/01 /99 -- -- -- ND ND N D ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 09/01 /99 -- -- -- 15 ND ND ND ND 23 13 32 -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 05/01 /00 -- -- -- 18 ND 17 N D 19 86 23 120 -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 09/01 /00 -- -- -- 14 ND 47 N D 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 -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/L 04/01 /02 -- -- -- ND ND ND ND ND ND ND 11 -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g /L 11 /01 /02 -- -- -- ND ND ND N D ND ND ND N D -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g /L 05/01 /03 -- -- -- ND ND ND N D ND ND ND N D -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/ L 10/01 /03 -- -- -- ND ND ND ND ND N D ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/ L 0 5/01 /04 -- -- -- ND N D ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g /L 11 /01 /04 -- -- -- 10 ND ND ND ND 12 N D 14 -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g /L 05/01 /05 -- -- -- ND ND ND N D ND ND ND N D -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 11 /04/05 -- -- -- -- -- -- -- -- -- -- -- ND ND ND N D ND 58 -- -- -- -- -- -- -- -- ug/L 12/12/05 -- -- - -N D ND 13 ND 10 55 ug/L 12/13/05 -- -- -- -- -- -- -- -- -- -- -- ND 15 N D ND ND 63 -- -- -- -- -- -- -- -- ug/L 12/22/05 -- -- -- -- -- -- -- -- -- -- -- ND ND ND ND N D 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 ND ND ND ND ND ND 18.9 -- -- -- -- -- -- -- ND 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 -- -- -- -- -- -- -- ND ug/L 07/12/07 -- -- 10 7.3 J ND ND ND 3.2 J ND ND ND 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 ND ND ND Dry -- -- -- -- -- -- 2.5 J ND ug/L 07/30/08 -- -- 10 ND ND ND ND ND ND ND ND 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 ND ND ND 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 ND 1.82 J 7.77 J ND 1.85 J ND 2.73 J ND 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 -- ND 3.56 J ND ND ND -- 1.56 J ND ug/L 01/27/14 -- -- 10 7.1 J ND ND -- 4.09 J ND ND ND Dry -- -- 2.1 J 5.46 J -- ND 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 -- ND 3.04 J ND ND ND -- 1.79 J ND ug/L 01/20/15 1.40 -- 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 1.40 -- 10 10.6 ND ND -- 3.62 J 1.9 J 2.38 J 2.51 J Dry -- -- 2.56 J 8.21 J -- ND 3.57 J ND 1.48 J ND -- 2.18 J ND ug/L 01/12/16 1.40 -- 10 6.65 J ND ND -- 2.99 J ND ND ND ND -- -- 2.25 J ND -- ND 3.41 J ND ND ND -- ND ND ug/L 08/01/16 1.40 -- 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 1.40 -- 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 1.40 -- 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 1.40 -- 10 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ND Dry ND ug/L 02/20/18 1.40 -- 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 1.40 10.0 -- 8.10 B ND ND -- 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 1.40 10.0 -- 13.6 ND ND -- 4.53 J ND ND 1.65 J ND -- -- 3.21 J ND -- ND 4.81 J ND 4.24 J -- ND Dry ND ug/L 08/14/19 1.40 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 1.40 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 ug/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 ug/L 01/26/21 1.40 10.0 -- 2.59 J ND ND -- 4.71 J ND ND 1.57 J ND -- -- 3.91 J 1.89 J -- 1.41 J 4.81 J ND ND -- ND ND ND 10 GOLDER Page 6 of 21 April 2021 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 Blanks Limit MW-9 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 Drain Cobalt ug/L 10/01 /93 -- -- -- ND -- ND N D ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- I MAC = 1 ug/L ug/L 07/01 /94 -- -- -- ND -- ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- No EPA M C L u g/ L 10/01 /94 -- -- -- ND -- ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 01 /01 /95 -- -- -- ND -- ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 05/01 /95 -- -- -- ND -- ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 10/01 /95 -- -- -- ND -- 16.5 ND 18.5 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 04/01 /96 -- -- -- ND -- ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/L 10/01 /96 -- -- -- ND -- ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 04/01 /97 -- -- -- ND -- 15 ND 9 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 10/01 /97 -- -- -- ND 8 5 ND 5 73 10 200 -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 04/01 /98 -- -- -- ND 2 4 ND 2 34 22 100 -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/L 10/01 /98 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/ L 04/01 /99 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 09/01 /99 -- -- -- ND ND ND ND ND 14 ND 16 -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 05/01 /00 -- -- -- ND ND ND ND 10 45 12 50 -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 09/01 /00 -- -- -- ND ND 26 ND 12 69 11 100 -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/L 04/01 /01 -- -- -- ND ND ND ND ND 31 ND 45 -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 10/01 /01 -- -- -- ND ND 110 ND 16 39 ND 110 -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g /L 04/01 /02 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g /L 11 /01 /02 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g /L 0 5/01 /0 3 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/L 10/01 /03 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/ L 0 5/01 /04 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/L 11 /01 /04 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g /L 05/01 /05 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 11 /04/05 -- -- -- -- -- -- -- -- -- -- -- 15 ND ND ND ND 15 -- -- -- -- -- -- -- -- ug/L 12/ 12/05 -- -- -- -- -- -- -- -- -- -- -- 15 ND 18 ND ND 15 -- -- -- -- -- -- -- -- ug/L 12/13/05 -- -- -- -- -- -- -- -- -- -- -- 19 ND ND ND ND 15 -- -- -- -- -- -- -- -- ug/L 12/22/05 -- -- -- -- -- -- -- -- -- -- -- 15 ND 16 ND ND ND -- -- -- -- -- -- -- -- ug/L 12/30/05 -- -- 10 ND ND ND ND ND ND ND ND 18 ND ND ND 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 3.2 J ND ND ND ND ND 10.7 3.7 J ND ND ND 6.5 J -- -- -- -- -- -- -- ND ug/L 07/12/07 -- -- 10 ND ND 5.9 J ND ND ND ND ND 9.1 J 3.6 J ND ND ND Dry -- -- -- -- -- -- ND ND ug/L 01/17/08 -- -- 10 ND ND 9.6 J ND ND ND ND 2.9 J 10.1 ND ND ND ND Dry -- -- -- -- -- -- ND ND ug/L 07/30/08 -- -- 10 ND ND 3 J ND ND ND 1.5 J ND 5.7 J 1.6 J ND ND ND Dry -- -- -- -- -- -- ND ND ug/L 01/21/09 -- -- 10 ND ND ND ND ND ND ND ND 5.4 J ND ND ND ND Dry -- -- -- -- -- -- ND ND ug/L 07/14/09 -- -- 10 ND ND ND ND ND ND ND ND 9.56 J ND ND ND ND Dry -- -- -- -- -- -- ND ND ug/L 01/07/10 -- -- 10 ND 0.536 J 0.484 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 ND ND 2.69 J 8.05 J 1.68 J ND ND ND Dry -- -- -- -- -- -- ND ND ug/L 01/31/11 -- -- 10 ND ND 1.8 J ND ND 1.12 J ND ND 8.5 J ND ND ND 1.98 J Dry -- -- -- -- -- -- ND ND ug/L 07/18/11 -- -- 10 ND ND ND ND ND ND ND ND 9.85 J ND ND ND ND -- ND -- -- -- -- -- ND ND ug/L 01/24/12 -- -- 10 ND ND ND ND ND ND ND ND 9.08 J ND ND ND 2.32 J -- ND -- -- -- -- -- ND ND ug/L 07/17/12 -- -- 10 ND ND ND ND ND ND ND ND 10.1 ND ND ND 3.05 J -- ND -- -- -- -- -- ND ND ug/L 01/22/13 -- -- 10 1.65 J ND 2.51 J -- ND ND ND ND Dry ND ND 1.15 J 6.74 J -- ND 3.17 J ND ND 24.1 -- ND ND ug/L 07/15/13 -- -- 10 ND ND ND -- ND ND ND ND 6.46 J -- -- 1.57 J 2.58 J -- ND ND ND ND 27.6 -- ND ND ug/L 01/27/14 -- -- 10 ND ND ND -- ND ND ND ND Dry -- -- ND 2.54 J -- ND ND ND ND 27.8 -- 1.1 J ND ug/L 07/15/14 -- -- 10 ND ND 5.52 J -- ND ND ND ND 8.83 J -- -- ND ND -- ND ND ND ND 28.3 -- ND ND ug/L 01/20/15 1.10 -- 10 ND ND 3.52 J -- ND ND ND ND 7.94 J -- -- ND 2.62 J -- ND -- -- -- -- -- -- ND ug/L 07/23/15 1.10 -- 10 ND ND 8.57 J -- ND ND ND ND Dry -- -- 1.32 J 4.14 J -- ND ND ND ND 31 -- ND ND ug/L 01/12/16 1.10 -- 10 ND ND 1.81 J -- ND ND ND ND 6.01 J -- -- ND ND -- ND ND ND ND 27.5 -- ND ND ug/L 08/01/16 1.10 -- 10 ND ND 3.37 J ND ND ND ND ND 7.98 J -- -- ND 1.26 J -- ND ND ND ND 29.2 -- ND ND ug/L 01/18/17 1.10 -- 10 ND ND 8.32 J -- ND ND ND ND 6.02 J -- -- ND ND -- ND ND ND ND 29.9 -- ND ND ug/L 07/24/17 1.10 -- 10 ND ND 2.47 J -- ND ND ND ND ND -- -- 7.67 J ND -- ND ND ND ND -- 1.57 J Dry ND ug/L 11 /01 /17 1.10 -- 10 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 2.83 J Dry ND ug/L 02/20/18 1.10 -- 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 1.40 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 1.40 10.0 -- ND ND ND -- ND ND ND ND 7.91 J -- -- ND ND -- ND ND ND ND -- 1.83 J Dry ND ug/L 08/14/19 1.40 10.0 -- ND ND 2.18 J -- ND ND ND ND 6.41 J -- -- ND ND -- ND ND ND ND -- 3.54 J ND ND ug/L 01/13/20 1.40 10.0 -- ND ND 1.43 J -- ND ND ND ND 5.71 J -- -- ND ND -- ND ND ND ND -- 1.85 J Dry ND ug/L 08/11/20 1.40 10.0 -- ND ND 2.01 J -- ND ND ND ND 4.50 J -- -- ND ND -- ND ND ND ND -- 2.97 J ND ND ug/L 01/26/21 1.40 10.0 -- ND ND 1.59 J -- ND ND ND ND 4.38 J -- -- ND ND -- ND ND ND ND -- 4.11 J ND ND 10 GOLDER Page 7 of 21 April 2021 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 Blanks Limit MW-9 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 Drain Copper ug/L 10/01 /93 -- -- -- ND -- ND N D ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- NC 2L = 1000 ug/L ug/L 07/01/94 -- -- -- ND -- ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- EPA MCL = 1300 ug/L# ug/L 10/01/94 -- -- -- ND -- ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 01 /01 /95 -- -- -- ND -- ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/L 05/01 /95 -- -- -- 20 -- ND 30 30 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 10/01 /95 -- -- -- ND -- ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/L 04/01 /96 -- -- -- ND -- ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/L 10/01 /96 -- -- -- ND -- ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 04/01 /97 -- -- -- ND -- ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 10/01 /97 -- -- -- ND ND 33 ND ND 39 15 140 -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 04/01 /98 -- -- -- 15 13 11 ND ND 26 31 61 -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/L 10/01 /98 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/ L 04/01 /99 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/L 0 9/01 /9 9 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g /L 05/01 /00 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g /L 09/01 /00 -- -- -- ND ND 210 ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/L 04/01 /01 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 10/01/01 -- -- -- ND ND 3100 ND ND ND ND 120 -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/L 04/01 /02 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g /L 11 /01 /02 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g /L 0 5/01 /0 3 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/L 10/01 /03 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/ L 0 5/01 /04 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g /L 11 /01 /04 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g /L 05/01 /05 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 11 /04/05 -- -- -- -- -- -- -- -- -- -- -- ND ND ND ND ND ND -- -- -- -- -- -- -- -- u g/ L 12/ 12/05 -- -- -- -- -- -- -- -- -- -- -- ND ND ND ND ND ND -- -- -- -- -- -- -- -- u g/ L 12/ 13/05 -- -- -- -- -- -- -- -- -- -- -- ND ND ND ND ND ND -- -- -- -- -- -- -- -- ug/L 12/22/05 -- -- -- -- -- -- -- -- -- -- -- ND ND ND ND ND ND -- -- -- -- -- -- -- -- ug/L 12/30/05 -- -- 200 ND ND ND ND ND ND ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- ND ug/L 09/26/06 -- -- 200 ND ND ND ND ND ND ND ND ND ND ND ND ND 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 ND 0.6 J ND 4.2 J -- -- -- -- -- -- -- ND ug/L 07/12/07 -- -- 10 ND ND 2.6 J ND ND ND ND ND 2.3 J 4.4 J ND ND ND 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 ND ND ND 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 ND 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 ND 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 ND 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 ND 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 ND -- ND ND ND ND 5.63 J -- ND ND ug/L 01/27/14 -- -- 10 ND ND ND -- ND ND ND ND Dry -- -- ND ND -- ND ND ND ND 6.03 J -- ND ND ug/L 07/15/14 -- -- 10 ND ND ND -- ND ND ND ND 2.75 J -- -- ND ND -- ND ND ND ND 6.13 J -- ND ND ug/L 01/20/15 1.60 -- 10 ND ND ND -- ND ND ND ND 5.92 J -- -- ND ND -- 2.98 J -- -- -- -- -- -- ND ug/L 07/23/15 1.60 -- 10 ND ND ND -- ND ND ND ND Dry -- -- ND ND -- ND ND ND ND 5.08 B -- ND 1.9 J ug/L 01/12/16 1.60 -- 10 ND ND ND -- ND ND ND ND ND -- -- ND ND -- ND ND ND ND 5.18 B -- ND 3.52 J ug/L 08/01/16 1.60 -- 10 ND ND ND ND ND ND ND ND ND -- -- ND ND -- ND ND ND ND 6.69 J -- ND ND ug/L 01/18/17 1.60 -- 10 ND ND 2.92 B -- ND 2.07 B 1.73 B 1.95 B 2.4 B -- -- ND 2.01 B -- ND 3.47 B 1.78 B 1.92 B 8.84 B -- 9.43 B 4.8 J ug/L 07/24/17 1.60 -- 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 u g/ L 11 /01 / 17 1.60 -- 10 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ND Dry ND ug/L 02/20/18 1.60 -- 10 ND ND ND -- ND ND ND ND ND -- -- ND ND -- ND ND ND ND -- ND Dry ND ug/L 08/08/18 1.60 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 1.60 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 08/14/19 1.60 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 1.60 10.0 -- ND ND 2.39 J -- ND ND ND ND 2.68 J -- -- ND ND -- ND ND ND ND -- ND Dry ND ug/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 1.95 J ug/L 01/26/21 1.60 10.0 -- 3.74 J ND 2.45 J -- ND ND ND 2.74 J 5.03 J -- -- ND ND -- 1.99 J ND 1.65 J ND -- ND 5.54 J ND 10 GOLDER Page 8 of 21 April 2021 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 Blanks Limit MW-9 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 Drain Lead ug/L 10/01 /93 -- -- -- ND -- ND N D ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- NC 2L = 15 ug/L ug/L 07/01/94 -- -- -- ND -- ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- EPA MCL = 15 ug/L# ug/L 10/01/94 -- -- -- ND -- ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 01 /01 /95 -- -- -- 49 -- 43 10 ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/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 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/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 -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/L 10/01 /98 -- -- -- ND ND ND ND ND ND 10 ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/ 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 -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g /L 04/01 /02 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g /L 11 /01 /02 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g /L 05/01 /03 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/ L 10/01 /03 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/ L 0 5/01 /04 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g /L 11 /01 /04 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g /L 05/01 /0 5 -- -- -- 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 2.10 -- 10 ND ND ND -- ND ND ND ND ND -- -- ND ND -- ND -- -- -- -- -- -- ND ug/L 07/23/15 3.10 -- 10 ND ND ND -- ND ND ND ND Dry -- -- ND ND -- ND ND ND ND ND -- ND ND ug/L 01/12/16 3.10 -- 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 3.10 -- 10 ND ND ND ND ND ND ND ND ND -- -- ND ND -- ND ND ND ND ND -- ND ND ug/L 01/18/17 3.10 -- 10 ND ND ND -- ND ND ND ND ND -- -- ND ND -- ND ND ND ND ND -- ND ND ug/L 07/24/17 3.10 -- 10 ND ND ND -- ND ND ND ND ND -- -- ND ND -- ND ND ND ND -- ND Dry ND u g /L 11 /01 / 17 3.10 -- 10 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ND Dry ND ug/L 02/20/18 3.10 -- 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 3.10 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 3.10 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 3.10 10.0 -- ND ND ND -- ND ND ND ND ND -- -- ND ND -- ND ND ND ND -- ND ND ND ug/L 01/13/20 3.10 10.0 -- ND ND ND -- ND ND ND ND ND -- -- ND ND -- ND ND ND ND -- ND Dry ND ug/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 ug/L 01/26/21 3.10 10.0 -- ND ND ND -- ND ND ND ND ND -- -- ND ND -- ND ND ND ND -- ND ND ND 10 GOLDER Page 9 of 21 April 2021 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 SWS Reporting French Detected Monitoring Constituents/Analytes Units Sample Date MDL MRL Blanks Limit MW-9 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 Drain Mercury, NC21- = 1 ug/L ug/L 01/18/17 0.17 -- 0.2 ND ND ND -- ND ND ND ND ND -- -- 0.352 ND -- ND ND ND ND ND -- 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 -- ND 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 ug/L 08/08/18 0.15 0.200 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- Dry ND Nickel ug/L 10/01 /93 -- -- -- ND -- ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- NC 2L = 100 ug/L ug/L 07/01/94 -- -- -- ND -- ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- No EPA MCL u g/ L 10/01 /94 -- -- -- ND -- ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 01 /01 /95 -- -- -- ND -- ND 30 ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 05/01 /95 -- -- -- ND -- ND ND 40 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 10/01 /95 -- -- -- ND -- ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 04/01 /96 -- -- -- ND -- ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/L 10/01 /96 -- -- -- ND -- ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 04/01 /97 -- -- -- ND -- ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 10/01 /97 -- -- -- ND ND ND ND ND 120 ND 410 -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/L 04/01 /98 -- -- -- ND ND ND ND ND 60 ND 240 -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 10/01/98 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g /L 04/01 /99 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/L 09/01 /99 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g / L 05/01 /00 -- -- -- ND ND ND ND ND ND ND 82 -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/L 09/01 /00 -- -- -- ND ND ND ND ND ND ND 120 -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/L 04/01 /01 -- -- -- ND ND ND ND ND ND ND 68 -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 10/01 /01 -- -- -- ND ND 230 ND ND 81 ND 290 -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/ L 04/01 /02 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g / L 11 /01 /02 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/L 05/01 /03 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/ L 10/01 /0 3 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g /L 0 5/01 /04 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g /L 11 /01 /04 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/ L 05/01 /05 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/L 11 /04/05 -- -- -- -- -- -- -- -- -- -- -- ND ND ND ND ND ND -- -- -- -- -- -- -- -- u g/ L 12/ 12/0 5 -- -- -- -- -- -- -- -- -- -- -- ND ND ND ND ND ND -- -- -- -- -- -- -- -- u g /L 12/ 13/0 5 -- -- -- -- -- -- -- -- -- -- -- ND ND ND ND ND ND -- -- -- -- -- -- -- -- ug/L 12/22/05 -- -- -- -- -- -- -- -- -- -- -- ND ND ND ND ND ND -- -- -- -- -- -- -- -- ug/L 12/30/05 -- -- 50 ND ND ND ND ND ND ND ND ND ND ND 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 ND ND 3.9 J ND 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 ND 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 ND ND 4.7 J ND Dry -- -- -- -- -- -- ND ND ug/L 07/30/08 -- -- 50 2.2 B ND ND ND ND ND ND ND ND ND 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 ND 4.22 B ND Dry -- -- -- -- -- -- ND 0.882 J ug/L 01/07/10 -- -- 50 2.78 J ND ND ND ND ND ND ND ND ND ND 2.82 J ND Dry -- -- -- -- -- -- ND ND ug/L 07/20/10 -- -- 50 2.42 J ND ND ND ND ND ND 2.4 J ND ND ND 3.49 J ND Dry -- -- -- -- -- -- ND ND ug/L 01/31/11 -- -- 50 5.26 J ND 4.5 J ND ND ND 1.9 J ND 3.77 J ND 3.03 J 5.81 J 3.23 J Dry -- -- -- -- -- -- ND ND ug/L 07/18/11 -- -- 50 5.98 J ND 2.95 J ND ND ND ND ND 2 J ND ND 5.04 J 2.95 J -- 3.07 J -- -- -- -- -- ND 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 -- -- -- -- -- ND ND ug/L 07/17/12 -- -- 50 5.01 J ND 2.3 J ND ND ND ND ND 1.94 J ND ND 3.32 J 3.74 J -- ND -- -- -- -- -- ND 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 ND 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 -- ND 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 -- ND 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 ND -- ND ND ND ND 40.4 J -- ND ND ug/L 01/20/15 1.80 -- 50 4.98 J 2.51 J 2.77 J -- ND ND ND ND 9.85 J -- -- 5.92 J ND -- ND -- -- -- -- -- -- ND ug/L 07/23/15 1.80 -- 50 3.76 J ND 2.97 J -- ND ND ND ND Dry -- -- 4.75 J 4.14 J -- ND ND ND ND 44.1 J -- ND ND ug/L 01/12/16 1.80 -- 50 5.27 J ND ND -- ND 2.11 J ND ND ND -- -- 6.77 J ND -- ND ND ND ND 42.9 J -- ND ND ug/L 08/01/16 2.20 -- 50 3.96 J ND ND ND ND 2.87 J ND ND ND -- -- 4.06 J 3.1 J -- ND ND ND ND 43.7 J -- ND ND ug/L 01/18/17 2.20 -- 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 2.20 -- 50 4.30 J ND 3.40 J -- ND ND ND ND 7.78 J -- -- ND 3.36 J -- ND ND ND ND -- ND Dry ND ug/L 11/01/17 2.20 -- 50 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ND Dry ND ug/L 02/20/18 2.20 -- 50 4.27 J ND 3.30 J -- 4.69 J ND ND ND 2.28 J -- -- 8.19 J 3.49 J -- ND ND ND ND -- 3.24 J Dry ND ug/L 08/08/18 2.20 10.0 -- 4.46 J ND 2.96 J -- ND ND 3.02 J ND ND -- -- 6.97 J 3.31 J -- ND ND ND 2.72 J -- 2.75 J Dry ND ug/L 01/15/19 2.20 10.0 -- 5.86 J ND ND -- ND 11.1 ND ND 2.30 J -- -- 9.95 J 3.74 J -- ND ND ND 2.36 J -- 2.32 J Dry ND ug/L 08/14/19 2.20 10.0 -- 8.69 J ND 3.29 J -- ND 3.21 J ND ND ND -- -- 7.22 J 3.06 J -- ND ND ND ND -- 2.33 J ND ND ug/L 01/13/20 2.20 10.0 -- 6.96 J ND 3.11 J -- ND ND ND ND 2.86 J -- -- 9.78 J ND -- ND ND ND ND -- 2.51 J Dry ND ug/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 ND ND ND -- ND ND ND ug/L 01/26/21 2.20 10.0 -- 7.92 J ND 2.97 J -- ND ND ND ND 5.70 J -- -- 7.32 J 2.29 J -- ND ND ND ND -- 3.09 J ND ND 10 GOLDER Page 10 of 21 April 2021 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 Blanks Limit MW-9 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 Drain Selenium ug/L 10/01 /93 -- -- -- ND -- ND N D ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- NC 2L = 20 ug/L ug/L 07/01/94 -- -- -- ND -- ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- EPA M C L = 50 u g/L u g/L 10/01 /94 -- -- -- ND -- ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 01 /01 /95 -- -- -- ND -- ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 05/01 /95 -- -- -- ND -- ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 10/01 /95 -- -- -- ND -- ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 04/01 /96 -- -- -- ND -- ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/L 10/01 /96 -- -- -- ND -- ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 04/01 /97 -- -- -- ND -- ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/L 10/01 /9 7 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g /L 04/01 /98 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/L 10/01 /98 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/ L 04/01 /99 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/L 0 9/01 /9 9 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g /L 05/01 /00 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g /L 09/01 /00 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/L 04/01 /01 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/ L 10/01 /01 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/L 04/01 /02 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g /L 11 /01 /02 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g /L 0 5/01 /0 3 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/L 10/01 /03 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/ L 0 5/01 /04 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g /L 11 /01 /04 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g /L 05/01 /05 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 11 /04/05 -- -- -- -- -- -- -- -- -- -- -- ND ND ND ND ND ND -- -- -- -- -- -- -- -- u g/L 12/ 12/05 -- -- -- -- -- -- -- -- -- -- -- ND ND ND ND ND ND -- -- -- -- -- -- -- -- u g/ L 12/ 13/05 -- -- -- -- -- -- -- -- -- -- -- ND ND ND ND ND ND -- -- -- -- -- -- -- -- ug/L 12/22/05 -- -- -- -- -- -- -- -- -- -- -- ND ND ND ND ND ND -- -- -- -- -- -- -- -- ug/L 12/30/05 -- -- 20 ND ND ND ND ND ND ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- ND ug/L 09/26/06 -- -- 20 ND ND ND ND ND ND ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- ND ug/L 01/31/07 -- -- 10 ND 2.4 B ND ND 2 B ND 2.3 B ND ND ND ND 6.4 J ND ND -- -- -- -- -- -- -- 2 J ug/L 07/12/07 -- -- 10 ND ND ND ND 3.4 J ND ND ND ND ND ND ND ND Dry -- -- -- -- -- -- ND ND ug/L 01/17/08 -- -- 10 2.5 J ND ND ND ND ND ND ND ND ND ND ND ND Dry -- -- -- -- -- -- ND ND ug/L 07/30/08 -- -- 10 ND ND ND ND ND ND ND ND ND ND ND ND ND Dry -- -- -- -- -- -- ND ND ug/L 01/21/09 -- -- 10 ND ND ND ND ND ND ND ND ND 3.7 J ND ND 4.4 J Dry -- -- -- -- -- -- 4.1 J ND ug/L 07/14/09 -- -- 10 ND ND ND ND ND ND ND ND ND ND ND ND ND Dry -- -- -- -- -- -- ND ND ug/L 01/07/10 -- -- 10 ND ND ND ND ND ND ND ND ND ND ND ND ND Dry -- -- -- -- -- -- ND ND ug/L 07/20/10 -- -- 10 ND ND ND ND ND ND ND ND ND ND ND ND ND Dry -- -- -- -- -- -- ND ND ug/L 01/31/11 -- -- 10 ND ND ND ND ND ND ND ND ND ND ND ND ND Dry -- -- -- -- -- -- ND ND ug/L 07/18/11 -- -- 10 ND ND ND ND ND ND ND ND ND ND ND ND ND -- ND -- -- -- -- -- ND ND ug/L 01/24/12 -- -- 10 ND ND ND ND ND ND ND ND ND ND ND ND ND -- ND -- -- -- -- -- ND ND ug/L 07/17/12 -- -- 10 ND ND ND ND ND ND ND ND ND ND ND ND ND -- ND -- -- -- -- -- ND ND ug/L 01/22/13 -- -- 10 ND ND ND -- ND ND ND ND Dry ND ND ND ND -- ND ND ND ND ND -- ND ND 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 ND -- ND ND ND ND 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 5.00 -- 10 ND ND ND -- ND ND ND ND ND -- -- ND ND -- ND -- -- -- -- -- -- ND ug/L 07/23/15 5.00 -- 10 ND ND ND -- ND ND ND ND Dry -- -- ND ND -- ND ND ND ND ND -- ND ND ug/L 01/12/16 5.00 -- 10 ND ND ND -- ND ND ND ND ND -- -- ND ND -- ND ND ND ND ND -- ND ND ug/L 08/01/16 6.20 -- 10 ND ND ND ND ND ND ND ND ND -- -- ND ND -- ND ND ND ND ND -- ND ND ug/L 01/18/17 6.20 -- 10 ND ND ND -- ND ND ND ND ND -- -- ND ND -- ND ND ND ND ND -- ND ND ug/L 07/24/17 6.20 -- 10 ND ND ND -- ND ND ND ND ND -- -- ND ND -- ND ND ND ND -- ND Dry ND u g/ L 11 /01 / 17 6.20 -- 10 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ND Dry ND ug/L 02/20/18 6.20 -- 10 ND ND ND -- ND ND ND ND ND -- -- ND ND -- ND ND ND ND -- ND Dry ND ug/L 08/08/18 6.20 10.0 -- ND ND ND -- ND ND ND ND ND -- -- ND ND -- ND ND ND ND -- ND Dry ND ug/L 01/15/19 6.20 10.0 -- ND ND ND -- ND ND ND ND ND -- -- ND ND -- ND ND ND ND -- ND Dry ND ug/L 08/14/19 6.20 10.0 -- ND ND ND -- ND ND ND ND ND -- -- ND ND -- ND ND ND ND -- ND ND ND ug/L 01/13/20 6.20 10.0 -- ND ND ND -- ND ND ND ND ND -- -- ND ND -- ND ND ND ND -- ND Dry ND ug/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 ug/L 01/26/21 6.20 10.0 -- ND ND ND -- ND ND ND ND ND -- -- ND ND -- ND ND ND ND -- ND ND ND 10 GOLDER Page 11 of 21 April 2021 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 Blanks Limit MW-9 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 Drain Silver ug/L 10/01 /93 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- NC 2L = 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 ND ND ND ND ND ND ND ND ND ND ND ND 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 ND -- -- -- -- -- -- -- 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 ND ND ND ND ND ND Dry -- -- -- -- -- -- ND ND ug/L 07/30/08 -- -- 10 ND ND ND ND ND ND 3.1 J ND ND ND ND ND 2.1 J Dry -- -- -- -- -- -- ND ND ug/L 01/21/09 -- -- 10 ND ND ND ND ND ND ND ND ND ND ND ND ND Dry -- -- -- -- -- -- ND ND ug/L 07/14/09 -- -- 10 ND ND ND ND ND ND ND ND ND ND ND ND ND Dry -- -- -- -- -- -- ND ND ug/L 01/07/10 -- -- 10 ND ND ND ND ND ND 0.484 J 0.63 J ND ND ND 0.715 J 0.548 J Dry -- -- -- -- -- -- 0.714 J ND ug/L 07/20/10 -- -- 10 ND ND ND ND ND ND ND ND ND ND ND ND ND Dry -- -- -- -- -- -- ND ND ug/L 01/31/11 -- -- 10 ND ND ND ND ND ND ND ND ND ND ND ND ND Dry -- -- -- -- -- -- ND ND ug/L 07/18/11 -- -- 10 ND ND ND ND ND ND ND ND ND ND ND ND ND -- ND -- -- -- -- -- ND 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 ND ND 3.06 J ND ND -- ND -- -- -- -- -- ND ND ug/L 07/17/12 -- -- 10 ND ND ND ND ND ND 5.51 J ND ND 15.3 ND ND ND -- 9.54 J -- -- -- -- -- ND ND ug/L 01/22/13 -- -- 10 ND 2.7 J ND -- ND ND 2.44 J ND Dry 6.29 J ND ND ND -- 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 ND ND ND ND -- ND ND ug/L 01/27/14 -- -- 10 ND ND ND -- 1.93 J ND ND ND Dry -- -- ND ND -- ND ND 4.15 J ND ND -- ND 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 1.90 -- 10 4.77 B 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 1.90 -- 10 -- -- -- -- -- -- -- -- ND -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 07/23/15 1.90 -- 10 ND ND ND -- ND ND ND ND Dry -- -- ND 9.35 J -- ND ND ND ND ND -- ND ND ug/L 01/12/16 1.90 -- 10 ND ND ND -- ND 2.11 J ND ND ND -- -- ND ND -- ND ND ND ND ND -- ND ND ug/L 08/01/16 1.90 -- 10 ND ND ND ND ND 4.08 J ND ND ND -- -- ND 12.4 -- ND ND ND ND ND -- ND ND ug/L 01/18/17 1.90 -- 10 ND ND ND -- ND ND ND ND ND -- -- ND ND -- ND ND ND ND ND -- ND ND ug/L 07/24/17 1.90 -- 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 1.90 -- 10 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ND Dry ND ug/L 02/20/18 1.90 -- 10 ND ND ND -- ND ND ND ND ND -- -- ND ND -- ND ND ND ND -- ND Dry ND ug/L 08/08/18 1.90 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 1.90 10.0 -- ND ND ND -- ND ND ND ND ND -- -- ND ND -- ND ND ND ND -- ND Dry ND ug/L 08/14/19 1.90 10.0 -- ND ND ND -- ND ND ND ND ND -- -- ND ND -- ND ND ND ND -- ND ND ND ug/L 01/13/20 1.90 10.0 -- ND ND ND -- ND ND ND ND ND -- -- ND ND -- ND ND ND ND -- ND Dry ND ug/L 08/11/20 1.90 10.0 -- ND ND ND -- ND ND ND ND ND -- -- ND 3.69 B -- 2.24 B 2.13 B ND ND -- ND ND 2.17 J ug/L 01/26/21 1.90 10.0 -- ND ND ND -- ND ND ND ND ND -- -- ND ND -- ND ND ND ND -- ND ND ND 10 GOLDER Page 12 of 21 April 2021 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 Blanks Limit MW-9 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 Drain Thallium u g /L 10/01 /9 3 -- -- -- ND -- ND N D ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- I MAC = 0.2 ug/L ug/L 07/01 /94 -- -- -- ND -- ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- EPA M C L = 2 u g /L u g/ L 10/01 /94 -- -- -- ND -- ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 01 /01 /95 -- -- -- ND -- ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 05/01 /95 -- -- -- ND -- ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 10/01 /95 -- -- -- ND -- ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 04/01 /96 -- -- -- ND -- ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/L 10/01 /96 -- -- -- ND -- ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 04/01 /97 -- -- -- ND -- ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/L 10/01 /9 7 -- -- -- ND -- ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 04/01 /98 -- -- -- ND -- ND ND ND ND ND 7 -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/L 10/01 /98 -- -- -- ND -- ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/ L 04/01 /99 -- -- -- ND -- ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 09/01 /99 -- -- -- ND -- ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 05/01 /00 -- -- -- ND -- ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 09/01 /00 -- -- -- ND -- ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/L 04/01 /01 -- -- -- ND -- ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/ L 10/01 /01 -- -- -- ND -- ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/L 04/01 /02 -- -- -- ND -- ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g /L 11 /01 /02 -- -- -- ND -- ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 05/01 /03 -- -- -- ND -- ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/L 10/01 /03 -- -- -- ND -- ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/ L 0 5/01 /04 -- -- -- ND -- ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g /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 /04/05 -- -- -- -- -- -- -- -- -- -- -- ND ND ND ND ND ND -- -- -- -- -- -- -- -- u g/L 12/ 12/05 -- -- -- -- -- -- -- -- -- -- -- ND ND ND ND ND ND -- -- -- -- -- -- -- -- u g/ L 12/ 13/05 -- -- -- -- -- -- -- -- -- -- -- ND ND ND ND ND ND -- -- -- -- -- -- -- -- ug/L 12/22/05 -- -- -- -- -- -- -- -- -- -- -- ND ND ND ND ND ND -- -- -- -- -- -- -- -- ug/L 12/30/05 -- -- 5.5 ND ND ND ND ND ND ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- ND ug/L 09/26/06 -- -- 5.5 ND ND ND ND ND ND ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- ND ug/L 01/31/07 -- -- 5.5 ND 0.106 J ND ND ND ND ND 0.046 J ND 0.047 J 0.054 J ND ND 0.468 J -- -- -- -- -- -- -- ND ug/L 07/12/07 -- -- 5.5 ND ND ND ND ND ND ND 0.045 J ND 0.037 J 0.038 J 0.041 J ND Dry -- -- -- -- -- -- ND ND ug/L 01/17/08 -- -- 5.5 ND ND ND ND 0.049 J 0.06 J ND 0.205 J ND ND 0.042 J 0.086 J ND Dry -- -- -- -- -- -- ND ND ug/L 07/30/08 -- -- 5.5 ND ND 0.097 J ND 0.066 J 0.072 J ND 0.083 J ND ND ND ND ND Dry -- -- -- -- -- -- ND ND ug/L 01/21/09 -- -- 5.5 ND ND ND ND ND ND ND ND ND ND ND ND ND Dry -- -- -- -- -- -- ND ND ug/L 07/14/09 -- -- 5.5 ND ND ND ND 0.084 J ND ND 0.05 J ND ND ND ND ND Dry -- -- -- -- -- -- ND ND ug/L 01/07/10 -- -- 5.5 ND ND ND ND ND ND ND ND ND ND 0.125 J ND ND Dry -- -- -- -- -- -- ND ND ug/L 07/20/10 -- -- 5.5 ND ND ND ND ND ND ND 0.157 J ND ND ND ND ND Dry -- -- -- -- -- -- ND ND ug/L 01/31/11 -- -- 5.5 ND ND ND ND ND ND ND ND ND ND ND ND ND Dry -- -- -- -- -- -- ND ND ug/L 07/18/11 -- -- 5.5 ND ND ND ND ND ND ND ND ND ND ND ND ND -- ND -- -- -- -- -- ND ND ug/L 01/24/12 -- -- 5.5 ND ND ND ND ND ND ND ND ND ND ND ND 0.16 J -- ND -- -- -- -- -- ND ND ug/L 07/17/12 -- -- 5.5 ND ND ND ND 0.138 J ND ND ND ND ND ND ND 0.263 J -- ND -- -- -- -- -- ND ND ug/L 01/22/13 -- -- 5.5 ND ND ND -- 0.407 J ND ND ND Dry ND ND ND 0.324 J -- ND ND ND ND ND -- ND ND ug/L 07/15/13 -- -- 5.5 ND 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 -- -- ND 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 -- -- ND ND -- ND ND ND ND 0.136 J -- ND ND ug/L 01/20/15 0.110 -- 5.5 ND ND ND -- ND ND ND ND ND -- -- ND ND -- ND -- -- -- -- -- -- ND ug/L 07/23/15 0.110 -- 5.5 ND ND ND -- ND ND ND ND Dry -- -- ND 0.291 J -- ND ND ND ND 0.138 J -- ND ND ug/L 01/12/16 0.110 -- 5.5 ND ND 0.114 J -- ND ND ND ND ND -- -- ND ND -- ND ND ND ND 0.16 J -- ND ND ug/L 08/01/16 0.110 -- 5.5 ND ND ND ND ND ND ND ND ND -- -- ND ND -- ND ND ND ND 0.156 J -- ND ND ug/L 01/18/17 0.110 -- 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 ND 0.35 J 0.306 J 0.581 J -- 0.337 J ND ug/L 07/24/17 0.110 -- 5.5 0.147 J 0.152 J ND -- 0.134 J ND 0.133 J 0.223 J 0.193 J -- -- ND ND -- ND ND 0.110 J ND -- 0.172 J Dry ND u g / L 11 /01 / 17 0.110 -- 5.5 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ND Dry ND ug/L 02/20/18 0.110 -- 5.5 ND ND ND -- ND ND ND ND ND -- -- ND ND -- ND ND ND ND -- ND Dry ND ug/L 08/08/18 0.550 5.00 -- ND ND ND -- ND ND ND ND ND -- -- ND ND -- ND ND ND ND -- ND Dry ND ug/L 01/15/19 0.550 5.00 -- ND ND ND -- ND ND ND ND ND -- -- ND ND -- ND ND ND ND -- ND Dry ND ug/L 08/14/19 0.220 2.00 -- ND ND ND -- ND ND ND ND ND -- -- ND ND -- ND ND ND ND -- ND ND ND ug/L 01/13/20 0.220 2.00 -- ND ND ND -- ND ND ND ND ND -- -- ND ND -- ND ND ND ND -- ND Dry ND ug/L 08/11/20 0.220 2.00 -- ND ND ND -- ND ND ND ND ND -- -- ND ND -- ND ND ND ND -- ND ND ND ug/L 01/26/21 0.220 2.00 -- ND ND ND -- ND ND ND ND ND -- -- ND ND -- ND ND ND ND -- ND ND ND 10 GOLDER Page 13 of 21 April 2021 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 Blanks Limit MW-9 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 Drain Vanadium ug/L 10/01 /93 -- -- -- ND -- ND N D ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- I MAC = 0.3 ug/L ug/L 07/01 /94 -- -- -- ND -- ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- No EPA M C L u g/ L 10/01 /94 -- -- -- ND -- ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 01 /01 /95 -- -- -- ND -- ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 05/01 /95 -- -- -- ND -- ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 10/01 /95 -- -- -- ND -- ND ND 150 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 04/01 /96 -- -- -- ND -- ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/L 10/01 /96 -- -- -- ND -- ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 04/01 /97 -- -- -- 14 -- ND 8 160 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 10/01 /97 -- -- -- 16 33 60 ND 55 720 66 1000 -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 04/01 /98 -- -- -- 17 33 12 ND 27 330 140 670 -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/L 10/01 /98 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/ L 04/01 /99 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 09/01 /99 -- -- -- ND ND ND ND ND 55 ND 69 -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 05/01 /00 -- -- -- ND ND 50 ND 48 200 47 220 -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 09/01 /00 -- -- -- ND ND 220 ND ND 290 ND 420 -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/L 04/01 /01 -- -- -- ND ND ND ND ND 150 ND 210 -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 10/01 /01 -- -- -- 58 ND 250 ND 92 320 ND 670 -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/ L 04/01 /02 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g /L 11 /01 /02 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g /L 0 5/01 /0 3 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/L 10/01 /03 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/ L 0 5/01 /04 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/L 11 /01 /04 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g /L 05/01 /05 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 11 /04/05 -- -- -- -- -- -- -- -- -- -- -- ND ND ND ND ND 68 -- -- -- -- -- -- -- -- ug/L 12/ 12/05 -- -- -- -- -- -- -- -- -- -- -- ND ND 85 ND ND 68 -- -- -- -- -- -- -- -- ug/L 12/13/05 -- -- -- -- -- -- -- -- -- -- -- ND 58 ND ND ND 79 -- -- -- -- -- -- -- -- ug/L 12/22/05 -- -- -- -- -- -- -- -- -- -- -- ND ND 41 ND ND ND -- -- -- -- -- -- -- -- ug/L 12/30/05 -- -- 25 ND ND 42 ND ND ND ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- ND ug/L 09/26/06 -- -- 25 ND ND ND ND ND ND ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- ND ug/L 01 /31 /07 -- -- 25 3.4 J 7.4 J ND 1 J 1.4 J 1.7 J 1.2 J 2.5 J ND 28.2 ND 3.2 J 3 J 20.1 -- -- -- -- -- -- -- ND ug/L 07/12/07 -- -- 25 3.3 J ND 3.6 J ND ND 2.4 J ND ND ND 20.7 J ND ND 4.4 J Dry -- -- -- -- -- -- 5.3 J ND ug/L 01/17/08 -- -- 25 3.7 J 2.5 J ND 1.9 J ND 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 ND ug/L 07/30/08 -- -- 25 4.6 J 2.2 J ND ND 3 J 3.3 J 3.9 J 2.9 J ND 15.8 J 1.9 J 2.3 J 6.2 J Dry -- -- -- -- -- -- 8.3 J ND ug/L 01/21/09 -- -- 25 3.7 J ND ND ND ND 3.2 J 3 J ND ND 2.4 J 2.5 J 6.9 J 5.9 J Dry -- -- -- -- -- -- 7.9 J ND 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 ND 1.77 J 8.99 J Dry -- -- -- -- -- -- 7.11 J ND ug/L 01/07/10 -- -- 25 2.71 J 0.912 J ND ND 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 ND ug/L 07/20/10 -- -- 25 3.61 J ND 2.88 J ND 4.13 J 2.68 J 3.71 J 12.3 J 1.47 J 6.87 J ND 2.95 J 8.3 J Dry -- -- -- -- -- -- 8.55 J ND ug/L 01/31/11 -- -- 25 2.94 J ND ND ND ND 5.46 J 5.52 J 1.57 J ND 4.85 J ND ND 16.5 J Dry -- -- -- -- -- -- 6.72 J ND ug/L 07/18/11 -- -- 25 3.12 J ND ND ND ND 1.75 J 2.43 J ND ND 3.24 J ND ND 16.8 J -- 3.08 J -- -- -- -- -- 7.83 J ND ug/L 01/24/12 -- -- 25 2.38 J ND ND ND ND ND 3.24 J ND 9.88 J 2.01 J ND ND 20.4 J -- ND -- -- -- -- -- 6.19 J ND ug/L 07/17/12 -- -- 25 2.95 J ND ND ND ND 1.52 J 3.29 J ND 12.2 J 2.46 J ND ND 23.6 J -- 4.18 J -- -- -- -- -- 9.15 J ND ug/L 01/22/13 -- -- 25 13.6 J ND ND -- ND 1.55 J 2.69 J ND Dry ND ND 5.83 J 34.9 -- 1.68 J 22.9 J 4.3 J 6.46 J ND -- 7.44 J ND ug/L 07/15/13 -- -- 25 2.98 J ND ND -- ND 1.48 J ND ND 2.66 J -- -- 6.04 J 21.3 J -- ND 7.48 J 2.4 J ND ND -- 7.22 J ND ug/L 01/27/14 -- -- 25 2.64 J ND ND -- ND ND ND ND Dry -- -- ND 16.3 J -- ND 8.25 J 3.68 J 1.61 J ND -- 7.75 J ND ug/L 07/15/14 -- -- 25 3.28 J ND ND -- ND 1.62 J 5.83 J ND ND -- -- ND 10.4 J -- ND 5.53 J ND ND ND -- 6.98 J ND ug/L 01/20/15 1.40 -- 25 2.83 J ND ND -- ND ND ND ND 3.12 J -- -- ND 14.9 J -- ND -- -- -- -- -- -- ND ug/L 07/23/15 1.40 -- 25 2.6 J ND 1.66 J -- ND 3.26 J 2.89 J ND Dry -- -- ND 19.4 J -- ND 6.04 J ND ND ND -- 8.3 J ND ug/L 01/12/16 1.40 -- 25 2.99 J ND ND -- ND ND 1.99 J ND ND -- -- ND 7.77 J -- ND 7.85 J ND ND ND -- 6.75 J ND ug/L 08/01/16 1.40 -- 25 3.34 J ND ND ND ND 3.45 J 1.97 J 1.58 J ND -- -- ND 13 J -- ND 6.45 J ND 1.66 J ND -- 8.06 J ND ug/L 01/18/17 1.40 -- 25 2.91 J ND ND -- ND 2.70 J 2.14 J ND ND -- -- ND 8.59 J -- ND 8.06 J ND 2.45 J ND -- 4.9 J ND ug/L 07/24/17 1.40 -- 25 2.72 J ND ND -- ND 2.51 J 2.15 J ND ND -- -- ND 9.21 J -- ND 7.82 J ND ND -- ND Dry ND ug/L 11/01/17 1.40 -- 25 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ND Dry ND ug/L 02/20/18 1.40 -- 25 4.37 J ND 2.24 J -- 1.60 J 2.93 J ND 2.50 J ND -- -- 1.62 J 9.34 J -- 2.21 J 9.41 J 1.75 J 1.84 J -- ND Dry ND ug/L 08/08/18 1.40 10.0 -- 2.92 J ND ND -- ND 2.25 J 2.10 J 1.72 J ND -- -- ND 5.33 J -- ND 8.13 J ND 7.37 J -- ND Dry ND ug/L 01/15/19 1.40 10.0 -- 3.20 J ND ND -- ND 1.57 J ND ND ND -- -- ND 6.52 J -- ND 9.10 J ND 5.16 J -- ND Dry ND ug/L 08/14/19 1.40 10.0 -- 2.56 J ND ND -- ND ND ND ND ND -- -- ND 5.07 J -- ND 7.26 J ND ND -- ND 2.47 J ND ug/L 01/13/20 1.40 10.0 -- 3.08 J ND ND -- ND 2.17 J ND 2.09 J ND -- -- ND 5.80 J -- ND 8.23 J ND ND -- ND Dry ND ug/L 08/11/20 1.40 10.0 -- 2.44 J ND ND -- ND 3.62 J ND 2.39 J ND -- -- ND 5.08 J -- ND 7.97 J ND ND -- ND 5.58 J ND ug/L 01/26/21 1.40 10.0 -- 2.52 J ND ND -- ND ND ND 2.92 J ND -- -- ND 6.24 J -- ND 7.93 J ND ND -- ND 9.25 J ND 10 GOLDER Page 14 of 21 April 2021 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 Blanks Limit MW-9 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 Drain Zinc ug/L 10/01 /93 -- -- -- 20 -- 30 N D ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- NC 2L = 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 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/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 -- -- -- ND ND ND ND 70 250 77 270 -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 09/01 /00 -- -- -- ND ND 100 ND ND 330 ND 480 -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 04/01 /01 -- -- -- ND ND ND ND ND 170 740 670 -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 10/01 /01 -- -- -- 51 ND 940 ND 93 370 ND 920 -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/L 04/01 /02 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g /L 11 /01 /02 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g /L 0 5/01 /03 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/ L 10/01 /03 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/ L 0 5/01 /04 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g /L 11 /01 /04 -- -- -- ND ND ND ND ND 90 ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g /L 05/01 /0 5 -- -- -- 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 ND 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 ND 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 ND 19 5.7 J 6.2 J 9.8 J 39.8 ND 9 J ND Dry -- -- -- -- -- -- 22.7 ND u g/L 01 /21 /09 -- -- 10 ND ND 6.8 J ND ND 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 -- ND 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 -- ND 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 3.80 -- 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 3.80 -- 10 ND ND 8.4 J -- ND 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 3.80 -- 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 4.40 -- 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 4.40 -- 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 4.40 -- 10 ND ND 7.12 J -- ND ND ND ND ND -- -- 13.1 6.92 J -- ND ND ND ND -- ND Dry ND u g/L 11 /01 / 17 4.40 -- 10 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ND Dry ND ug/L 02/20/18 4.40 -- 10 ND ND 8.32 J -- ND ND ND ND 7.26 J -- -- ND 6.87 J -- ND ND ND ND -- ND Dry ND ug/L 08/08/18 4.40 10.0 -- ND ND 9.52 J -- ND ND 8.05 J ND 13.7 -- -- ND 4.99 J -- ND 8.49 J ND 9.83 J -- ND Dry ND ug/L 01/15/19 4.40 10.0 -- ND ND ND -- ND ND ND ND 15.1 -- -- ND 5.71 J -- ND ND ND 8.79 J -- ND Dry ND ug/L 08/14/19 4.40 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 4.40 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 ug/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 ug/L 01/26/21 4.40 10.0 -- ND ND ND -- ND ND ND ND 15.4 -- -- ND ND -- ND ND ND ND -- ND 4.52 J ND 10 GOLDER Page 15 of 21 April 2021 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 Blanks Limit MW-9 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 Drain Carbon disulfide ug/L 10/01/93 -- -- -- ND -- ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- N C2 L = 700 ug/L ug/L 07/01 /94 -- -- -- ND -- ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- No EPA M C L u g/ L 10/01 /94 -- -- -- ND -- ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 01 /01 /95 -- -- -- ND -- ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 05/01 /95 -- -- -- ND -- ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 10/01 /95 -- -- -- ND -- ND 170 ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 04/01 /96 -- -- -- ND -- ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/L 10/01 /96 -- -- -- ND -- ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 04/01 /97 -- -- -- ND -- 8.1 ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/L 10/01 /9 7 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 04/01 /98 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/ L 10/01 /98 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/ L 04/01 /99 -- -- -- ND ND ND 27 ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/L 0 9/01 /9 9 -- -- -- ND ND ND 23 ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g /L 0 5/01 /00 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 09/01/00 -- -- -- ND ND ND 21 ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/L 04/01 /01 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/ L 10/01 /01 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/L 04/01 /02 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g /L 11 /01 /02 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g /L 0 5/01 /0 3 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/ L 10/01 /03 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/ L 0 5/01 /04 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/L 11 /01 /04 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g /L 05/01 /05 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 11 /04/05 -- -- -- -- -- -- -- -- -- -- -- ND ND ND ND ND ND -- -- -- -- -- -- -- -- u g/ L 12/ 12/05 -- -- -- -- -- -- -- -- -- -- -- ND ND ND ND ND ND -- -- -- -- -- -- -- -- u g/ L 12/ 13/05 -- -- -- -- -- -- -- -- -- -- -- ND ND ND ND ND ND -- -- -- -- -- -- -- -- ug/L 12/22/05 -- -- -- -- -- -- -- -- -- -- -- ND ND ND ND ND ND -- -- -- -- -- -- -- -- ug/L 12/30/05 -- -- 20 ND ND ND ND ND ND ND 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 ND ND ND ND 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 ND ND ND ND ND ND ND ND Dry -- -- -- -- -- -- ND ND ug/L 07/30/08 -- -- 100 ND ND ND ND ND ND ND ND ND ND ND ND ND Dry -- -- -- -- -- -- ND ND ug/L 01/21/09 -- -- 100 ND ND ND ND ND ND ND ND ND ND 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 ND ND ND ND ND 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 ND ND ND ND ND 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 ND ND ND ND ND 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 ND ND Dry ND ND ND ND -- ND ND ND 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 ND ND ND -- ND ND ND ND Dry -- -- ND ND -- ND ND ND ND ND -- 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 ND ND ND -- -- ND ND -- 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 ND ND ND -- -- ND ND -- ND ND ND ND ND -- 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 -- -- ND ND -- ND ND ND ND ND -- ND ND ug/L 07/24/17 1.5 -- 100 ND ND ND -- ND ND ND ND ND -- -- ND ND -- ND ND ND ND -- ND Dry ND u g/ L 11 /01 / 17 1.5 -- 100 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ND Dry ND ug/L 02/20/18 1.5 -- 100 ND ND ND -- ND ND ND ND ND -- -- ND ND -- ND ND ND ND -- ND Dry ND ug/L 08/08/18 1.5 5.0 -- ND ND ND -- ND ND ND ND ND -- -- ND ND -- ND ND ND ND -- ND Dry ND ug/L 01/15/19 1.5 5.0 -- ND ND ND -- ND ND ND ND ND -- -- ND ND -- ND ND ND ND -- ND Dry ND ug/L 08/14/19 1.5 5.0 -- ND ND ND -- ND ND ND ND ND -- -- ND ND -- ND ND ND ND -- ND ND ND ug/L 01/13/20 1.5 5.0 -- ND ND ND -- ND ND ND ND ND -- -- ND ND -- ND ND ND ND -- ND Dry ND ug/L 08/11/20 1.5 5.0 -- ND ND ND -- ND ND ND ND ND -- -- ND ND -- ND ND ND ND -- ND ND ND ug/L 01/26/21 1.5 5.0 -- ND ND ND -- ND ND ND ND ND -- -- ND ND -- ND ND ND ND -- ND ND ND 10 GOLDER Page 16 of 21 April 2021 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 Blanks Limit MW-9 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 Drain Tetra ch I o roeth e n e u g/L 10/01 /93 -- -- -- ND -- ND N D ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- NC 2L = 0.7 ug/L ug/L 07/01/94 -- -- -- ND -- ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- EPA M C L = 5 u g /L u g/ L 10/01 /94 -- -- -- ND -- ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 01 /01 /95 -- -- -- 7 -- ND 5 ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 05/01 /95 -- -- -- ND -- ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 10/01 /95 -- -- -- ND -- ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 04/01 /96 -- -- -- ND -- ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/L 10/01 /96 -- -- -- ND -- ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 04/01 /97 -- -- -- ND -- ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/L 10/01 /9 7 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 04/01/98 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/ L 10/01 /98 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/ L 04/01 /99 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/L 0 9/01 /9 9 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g /L 0 5/01 /00 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g /L 09/01 /00 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/ L 04/01 /01 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/ L 10/01 /01 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/L 04/01 /02 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g /L 11 /01 /02 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g /L 0 5/01 /0 3 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/ L 10/01 /03 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/ L 0 5/01 /04 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 11/01/04 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g /L 05/01 /05 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 11 /04/05 -- -- -- -- -- -- -- -- -- -- -- ND ND ND ND ND ND -- -- -- -- -- -- -- -- u g/L 12/ 12/05 -- -- -- -- -- -- -- -- -- -- -- ND ND ND ND ND ND -- -- -- -- -- -- -- -- u g/ L 12/ 13/05 -- -- -- -- -- -- -- -- -- -- -- ND ND ND ND ND ND -- -- -- -- -- -- -- -- ug/L 12/22/05 -- -- -- -- -- -- -- -- -- -- -- ND ND ND ND ND ND -- -- -- -- -- -- -- -- ug/L 12/30/05 -- -- 5 ND ND ND ND ND ND ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- ND ug/L 09/26/06 -- -- 5 ND ND ND ND ND ND ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- 8.4 ug/L 01/31/07 -- -- 3 ND ND ND ND ND ND ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- ND ug/L 07/12/07 -- -- 1 ND ND ND ND ND ND ND ND ND ND ND ND ND Dry -- -- -- -- -- -- ND ND ug/L 01/17/08 -- -- 1 ND ND ND ND ND ND ND ND ND ND ND ND ND Dry -- -- -- -- -- -- ND ND ug/L 07/30/08 -- -- 1 ND ND ND ND ND ND ND ND ND ND ND ND ND Dry -- -- -- -- -- -- ND ND ug/L 01/21/09 -- -- 1 ND ND ND ND ND ND ND ND ND ND ND ND ND Dry -- -- -- -- -- -- ND ND ug/L 07/14/09 -- -- 1 ND ND ND ND ND ND ND ND ND ND ND ND ND Dry -- -- -- -- -- -- ND ND ug/L 01/07/10 -- -- 1 ND ND ND ND ND ND ND ND ND ND ND ND ND Dry -- -- -- -- -- -- ND ND ug/L 07/20/10 -- -- 1 ND ND ND ND ND ND ND ND ND ND ND ND ND Dry -- -- -- -- -- -- ND ND ug/L 01/31/11 -- -- 1 ND ND ND ND ND ND ND ND ND ND ND ND ND Dry -- -- -- -- -- -- ND ND ug/L 07/18/11 -- -- 1 ND ND ND ND ND ND ND ND ND ND ND ND ND -- ND -- -- -- -- -- ND ND ug/L 01/24/12 -- -- 1 ND ND ND ND ND ND ND ND ND ND ND ND ND -- ND -- -- -- -- -- ND ND ug/L 07/17/12 -- -- 1 ND ND ND ND ND ND ND ND ND ND ND ND ND -- ND -- -- -- -- -- ND ND ug/L 01/22/13 -- -- 1 ND ND ND -- ND ND ND ND Dry ND ND ND ND -- ND ND ND ND 0.7 J -- ND ND ug/L 07/15/13 -- -- 1 ND ND ND -- ND ND ND ND ND -- -- ND ND -- ND ND ND ND 3.3 -- ND ND ug/L 01/27/14 -- -- 1 ND ND ND -- ND ND ND ND Dry -- -- ND ND -- ND ND ND ND 2.8 -- ND ND ug/L 07/15/14 -- -- 1 ND ND ND -- ND ND ND ND ND -- -- ND ND -- ND ND ND ND 4 -- ND ND ug/L 01/20/15 0.17 -- 1 ND ND ND -- ND ND ND ND ND -- -- ND ND -- ND -- -- -- -- -- -- ND ug/L 07/23/15 0.17 -- 1 ND ND ND -- ND ND ND ND Dry -- -- ND ND -- ND ND ND ND 2.2 -- ND ND ug/L 01/12/16 0.17 -- 1 ND ND ND -- ND ND ND ND ND -- -- ND ND -- ND ND ND ND 2.4 -- ND ND ug/L 08/01/16 0.17 -- 1 ND ND ND ND ND ND ND ND ND -- -- ND ND -- ND ND ND ND 2.8 -- ND ND ug/L 01/18/17 0.17 -- 1 ND ND ND -- ND ND ND ND ND -- -- ND ND -- ND ND ND ND 1.8 -- ND ND ug/L 07/24/17 0.17 -- 1 ND ND ND -- ND ND ND ND ND -- -- ND ND -- ND ND ND ND -- ND Dry ND ug/L 11/01/17 0.17 -- 1 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ND Dry ND ug/L 02/20/18 0.17 -- 1 ND ND ND -- ND ND ND ND ND -- -- ND ND -- ND ND ND ND -- ND Dry ND ug/L 08/08/18 0.17 1.0 -- ND ND ND -- ND ND ND ND ND -- -- ND ND -- ND ND ND ND -- ND Dry ND ug/L 01/15/19 0.17 1.0 -- ND ND ND -- ND ND ND ND ND -- -- ND ND -- ND ND ND ND -- ND Dry ND ug/L 08/14/19 0.17 1.0 -- ND ND ND -- ND ND ND ND ND -- -- ND ND -- ND ND ND ND -- ND ND ND ug/L 01/13/20 0.17 1.0 -- ND ND ND -- ND ND ND ND ND -- -- ND ND -- ND ND ND ND -- ND Dry ND ug/L 08/11/20 0.17 1.0 -- ND ND ND -- 0.54 J ND ND ND ND -- -- ND ND -- ND ND ND ND -- ND ND ND ug/L 01/26/21 0.17 1.0 -- ND ND ND -- 0.45 J ND ND ND ND -- -- ND ND -- ND ND ND ND -- ND ND ND 10 GOLDER Page 17 of 21 April 2021 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 Blanks Limit MW-9 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 Drain Toluene u g /L 10/01 /93 -- -- -- ND -- ND N D ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 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 -- -- -- ND -- ND 10 ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 05/01 /95 -- -- -- ND -- ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 10/01 /95 -- -- -- ND -- ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 04/01 /96 -- -- -- ND -- ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/L 10/01 /96 -- -- -- ND -- ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 04/01 /97 -- -- -- ND -- ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/L 10/01 /9 7 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 04/01/98 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/ L 10/01 /98 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/ L 04/01 /99 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/L 0 9/01 /9 9 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g /L 0 5/01 /00 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g /L 09/01 /00 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/ L 04/01 /01 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/ L 10/01 /01 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/L 04/01 /02 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g /L 11 /01 /02 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g /L 0 5/01 /0 3 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/ L 10/01 /03 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/ L 0 5/01 /04 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 11/01/04 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g /L 05/01 /05 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g /L 11 /04/05 -- -- -- -- -- -- -- -- -- -- -- ND ND ND ND ND ND -- -- -- -- -- -- -- ND u g/L 12/ 12/05 -- -- -- -- -- -- -- -- -- -- -- ND ND ND ND ND ND -- -- -- -- -- -- -- ND u g/ L 12/ 13/05 -- -- -- -- -- -- -- -- -- -- -- ND ND ND ND ND ND -- -- -- -- -- -- -- ND u g/ L 12/22/0 5 -- -- -- -- -- -- -- -- -- -- -- ND ND ND ND ND ND -- -- -- -- -- -- -- ND ug/L 12/30/05 -- -- 5 ND ND ND ND ND ND ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- ND ug/L 09/26/06 -- -- 5 ND ND ND ND ND ND ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- ND ug/L 01/31/07 -- -- 5 ND ND ND ND ND ND ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- ND ug/L 07/12/07 -- -- 1 ND ND ND ND ND ND ND ND ND ND ND ND ND Dry -- -- -- -- -- -- ND 0.48 J ug/L 01/17/08 -- -- 1 ND ND ND ND ND ND ND ND ND ND ND ND ND Dry -- -- -- -- -- -- ND ND ug/L 07/30/08 -- -- 1 ND ND ND ND ND ND ND ND ND ND ND ND ND Dry -- -- -- -- -- -- ND ND ug/L 01/21/09 -- -- 1 ND ND ND ND ND ND ND ND ND ND ND ND ND Dry -- -- -- -- -- -- ND ND ug/L 07/14/09 -- -- 1 ND ND ND ND ND ND ND ND ND ND ND ND ND -- -- -- -- -- -- ND ND ug/L 01/07/10 -- -- 1 ND ND ND ND ND ND ND ND ND ND ND ND ND Dry -- -- -- -- -- -- ND ND ug/L 07/20/10 -- -- 1 ND ND ND ND ND ND ND ND ND ND ND ND ND Dry -- -- -- -- -- -- ND ND ug/L 01/31/11 -- -- 1 ND ND ND ND ND ND ND ND ND ND ND ND ND Dry -- -- -- -- -- -- ND ND ug/L 07/18/11 -- -- 1 ND ND ND ND ND ND ND ND ND ND ND ND ND -- ND -- -- -- -- -- ND ND ug/L 01/24/12 -- -- 1 ND ND ND ND ND ND ND ND ND ND ND ND ND -- ND -- -- -- -- -- ND ND ug/L 07/17/12 -- -- 1 ND ND ND ND ND ND ND ND ND ND ND ND ND -- ND -- -- -- -- -- ND ND ug/L 01/22/13 -- -- 1 ND ND ND -- ND ND ND ND Dry ND ND ND ND -- ND ND ND ND ND -- ND ND ug/L 07/15/13 -- -- 1 ND ND ND -- ND ND ND ND ND -- -- ND ND -- ND ND ND ND ND -- ND ND ug/L 01/27/14 -- -- 1 ND ND ND -- ND ND ND ND Dry -- -- ND ND -- ND ND ND ND ND -- ND ND ug/L 07/15/14 -- -- 1 ND ND ND -- ND ND ND ND ND -- -- ND ND -- ND ND ND ND ND -- ND ND ug/L 01/20/15 0.14 -- 1 ND ND ND -- ND ND ND ND ND -- -- ND ND -- ND -- -- -- -- -- -- ND ug/L 07/23/15 0.14 -- 1 ND ND ND -- ND ND ND ND Dry -- -- ND ND -- ND ND ND ND ND -- ND ND ug/L 01/12/16 0.14 -- 1 ND ND ND -- ND ND ND ND ND -- -- ND ND -- ND ND ND ND ND -- ND ND ug/L 08/01/16 0.14 -- 1 ND ND ND ND ND ND ND ND ND -- -- ND ND -- ND ND ND ND ND -- ND ND ug/L 01/18/17 0.14 -- 1 ND ND ND -- ND ND ND ND ND -- -- ND ND -- ND ND ND ND ND -- ND ND ug/L 07/24/17 0.14 -- 1 ND ND ND -- ND ND ND ND ND -- -- ND ND -- ND ND ND ND -- ND Dry ND ug/L 11/01/17 0.14 -- 1 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ND Dry ND ug/L 02/20/18 0.14 -- 1 ND ND ND -- ND ND ND ND ND -- -- ND ND -- ND ND ND ND -- ND Dry ND ug/L 08/08/18 0.14 1.0 -- ND ND ND -- ND ND ND ND ND -- -- ND ND -- ND ND ND ND -- ND Dry ND ug/L 01/15/19 0.14 1.0 -- ND ND ND -- ND ND ND ND ND -- -- ND ND -- ND ND ND ND -- ND Dry ND ug/L 08/14/19 0.14 1.0 -- ND ND ND -- ND ND ND ND ND -- -- ND ND -- ND ND ND ND -- ND ND ND ug/L 01/13/20 0.14 1.0 -- ND ND ND -- ND ND ND ND ND -- -- ND ND -- ND ND ND ND -- ND Dry ND ug/L 08/11/20 0.14 1.0 -- ND ND ND -- ND ND ND ND ND -- -- ND ND -- ND ND ND ND -- ND ND ND ug/L 01/26/21 0.14 1.0 -- ND ND ND -- ND ND ND ND ND -- -- ND ND -- ND ND ND ND -- ND ND ND 10 GOLDER Page 18 of 21 April 2021 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 Blanks Limit MW-9 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 Drain Trichlorofluoromethane ug/L 01/31/07 -- -- 5 ND ND ND ND ND ND ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- ND NC 2L = 2000 ug/L ug/L 07/12/07 -- -- 1 ND ND ND ND ND ND ND ND ND ND ND ND ND Dry -- -- -- -- -- -- ND ND No EPA MCL ug/L 01/17/08 -- -- 1 ND ND ND ND ND ND ND ND ND ND ND ND ND Dry -- -- -- -- -- -- ND ND ug/L 07/30/08 -- -- 1 ND ND ND ND ND ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- ND ND ug/L 01/21/09 -- -- 1 ND ND ND ND ND ND ND ND ND ND ND ND ND Dry -- -- -- -- -- -- ND ND ug/L 07/14/09 -- -- 1 ND ND ND ND ND ND ND ND ND ND ND ND ND -- -- -- -- -- -- ND ND ug/L 01/07/10 -- -- 1 ND ND ND ND ND ND ND ND ND ND ND ND ND Dry -- -- -- -- -- -- ND ND ug/L 07/20/10 -- -- 1 ND ND ND ND ND ND ND ND ND ND ND ND ND Dry -- -- -- -- -- -- ND ND ug/L 01/31/11 -- -- 1 ND ND ND ND ND ND ND ND ND ND ND ND ND Dry -- -- -- -- -- -- ND ND ug/L 07/18/11 -- -- 1 ND ND ND ND ND ND ND ND ND ND ND ND ND ND -- -- -- -- -- -- ND ND ug/L 01/24/12 -- -- 1 ND ND ND ND ND ND ND ND ND ND ND ND ND -- ND -- -- -- -- -- ND ND ug/L 07/17/12 -- -- 1 ND ND ND ND ND ND ND ND ND ND ND ND ND -- ND -- -- -- -- -- ND ND ug/L 01/22/13 -- -- 1 ND ND ND -- ND ND ND ND Dry ND ND ND ND -- ND ND ND ND 0.99 J -- ND ND ug/L 07/15/13 -- -- 1 ND ND ND -- ND ND ND ND ND -- -- ND ND -- ND ND ND ND 1.1 -- ND ND ug/L 01/27/14 -- -- 1 ND ND ND -- ND ND ND ND Dry -- -- ND ND -- ND ND ND ND 0.87 J -- ND ND ug/L 07/15/14 -- -- 1 ND ND ND -- ND ND ND ND ND -- -- ND ND -- ND ND ND ND 1.2 -- ND ND ug/L 01/20/15 0.24 -- 1 ND ND ND -- ND ND ND ND ND -- -- ND ND -- ND -- -- -- -- -- -- ND ug/L 07/23/15 0.24 -- 1 ND ND ND -- ND ND ND ND Dry -- -- ND ND -- ND ND ND ND 0.99 J -- ND ND ug/L 01/12/16 0.24 -- 1 ND ND ND -- ND ND ND ND ND -- -- ND ND -- ND ND ND ND 1.1 -- ND ND ug/L 08/01/16 0.24 -- 1 ND ND ND ND ND ND ND ND ND -- -- ND ND -- ND ND ND ND 0.66 J -- ND ND ug/L 01/18/17 0.24 -- 1 ND ND ND -- ND ND ND ND ND -- -- ND ND -- ND ND ND ND 3.1 -- ND ND ug/L 07/24/17 0.24 -- 1 ND ND ND -- ND ND ND ND ND -- -- ND ND -- ND ND ND ND -- ND Dry ND u g /L 11 /01 / 17 0.24 -- 1 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ND Dry ND ug/L 02/20/18 0.24 -- 1 ND ND ND -- ND ND ND ND ND -- -- ND ND -- ND ND ND ND -- ND Dry ND ug/L 08/08/18 0.24 1.0 -- ND ND ND -- ND ND ND ND ND -- -- ND ND -- ND ND ND ND -- ND Dry ND ug/L 01/15/19 0.24 1.0 -- ND ND ND -- ND ND ND ND ND -- -- ND ND -- ND ND ND ND -- ND Dry ND ug/L 08/14/19 0.24 1.0 -- ND ND ND -- ND ND ND ND ND -- -- ND ND -- ND ND ND ND -- ND ND ND ug/L 01/13/20 0.24 1.0 -- ND ND ND -- ND ND ND ND ND -- -- ND ND -- ND ND ND ND -- ND Dry ND ug/L 08/11/20 0.24 1.0 -- ND ND ND -- ND ND ND ND ND -- -- ND ND -- ND ND ND ND -- ND ND ND ug/L 01/26/21 0.24 1.0 -- ND ND ND -- ND ND ND ND ND -- -- ND ND -- ND ND ND ND -- ND ND ND 10 GOLDER Page 19 of 21 April 2021 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 Blanks Limit MW-9 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 Drain Xylenes (total) ug/L 10/01/93 -- -- -- ND -- ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- NC 2L = 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 -- -- -- ND -- ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 10/01 /95 -- -- -- ND -- ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 04/01 /96 -- -- -- ND -- ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/L 10/01 /96 -- -- -- ND -- ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 04/01 /97 -- -- -- ND -- ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/L 10/01 /9 7 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 04/01/98 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/ L 10/01 /98 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/ L 04/01 /99 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/L 0 9/01 /9 9 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g /L 0 5/01 /00 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g /L 09/01 /00 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/ L 04/01 /01 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/ L 10/01 /01 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/L 04/01 /02 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g /L 11 /01 /02 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g /L 0 5/01 /0 3 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/ L 10/01 /03 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g/ L 0 5/01 /04 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 11/01/04 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- u g /L 05/01 /05 -- -- -- ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- -- -- -- -- -- -- -- ug/L 11 /04/05 -- -- -- -- -- -- -- -- -- -- -- ND ND ND ND ND ND -- -- -- -- -- -- -- -- u g/L 12/ 12/05 -- -- -- -- -- -- -- -- -- -- -- ND ND ND ND ND ND -- -- -- -- -- -- -- -- u g/ L 12/ 13/05 -- -- -- -- -- -- -- -- -- -- -- ND ND ND ND ND ND -- -- -- -- -- -- -- -- ug/L 12/22/05 -- -- -- -- -- -- -- -- -- -- -- ND ND ND ND ND ND -- -- -- -- -- -- -- -- ug/L 12/30/05 -- -- 5 ND ND ND ND ND ND ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- ND ug/L 09/26/06 -- -- 5 ND ND ND ND ND ND ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- ND ug/L 01/31/07 -- -- 5 ND ND ND ND ND ND ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- ND ug/L 07/12/07 -- -- 4 ND ND ND ND ND ND ND ND ND ND ND ND ND Dry -- -- -- -- -- -- ND ND ug/L 01/17/08 -- -- 5 ND ND ND ND ND ND ND ND ND ND ND ND ND Dry -- -- -- -- -- -- ND ND ug/L 07/30/08 -- -- 5 ND ND ND ND ND ND ND ND ND ND ND ND ND Dry -- -- -- -- -- -- ND ND ug/L 01/21/09 -- -- 5 ND ND ND ND ND ND ND ND ND ND ND ND ND Dry -- -- -- -- -- -- ND ND ug/L 07/14/09 -- -- 5 ND ND ND ND ND ND ND ND ND ND ND ND ND Dry -- -- -- -- -- -- ND ND ug/L 01/07/10 -- -- 5 ND ND ND ND ND ND ND ND ND ND ND ND ND Dry -- -- -- -- -- -- ND ND ug/L 07/20/10 -- -- 5 ND ND ND ND ND ND ND ND ND ND ND ND ND Dry -- -- -- -- -- -- ND ND ug/L 01/31/11 -- -- 5 ND ND ND ND ND ND ND ND ND ND ND ND ND Dry -- -- -- -- -- -- ND ND ug/L 07/18/11 -- -- 5 ND ND ND ND ND ND ND ND ND ND ND ND ND -- ND -- -- -- -- -- ND ND ug/L 01/24/12 -- -- 5 ND ND ND ND ND ND ND ND ND ND ND ND ND -- ND -- -- -- -- -- ND ND ug/L 07/17/12 -- -- 5 ND ND ND ND ND ND ND ND ND ND ND ND ND -- ND -- -- -- -- -- ND ND ug/L 01/22/13 -- -- 5 ND ND ND -- ND ND ND ND Dry ND ND ND ND -- ND ND ND ND ND -- ND ND ug/L 07/15/13 -- -- 5 ND ND ND -- ND ND ND ND ND -- -- ND ND -- ND ND ND ND ND -- ND ND ug/L 01/27/14 -- -- 5 ND ND ND -- ND ND ND ND Dry -- -- ND ND -- ND ND ND ND ND -- ND ND ug/L 07/15/14 -- -- 5 ND ND ND -- ND ND ND ND ND -- -- ND ND -- ND ND ND ND ND -- ND ND ug/L 01/20/15 0.45 -- 5 ND ND ND -- ND ND ND ND ND -- -- ND ND -- ND -- -- -- -- -- -- ND ug/L 07/23/15 0.45 -- 5 ND ND ND -- ND ND ND ND Dry -- -- ND ND -- ND ND ND ND ND -- ND ND ug/L 01/12/16 0.45 -- 5 ND ND ND -- ND ND ND ND ND -- -- ND ND -- ND ND ND ND ND -- ND ND ug/L 08/01/16 0.45 -- 5 ND ND ND ND ND ND ND ND ND -- -- ND ND -- ND ND ND ND ND -- ND ND ug/L 01/18/17 0.45 -- 5 ND ND ND -- ND ND ND ND ND -- -- ND ND -- ND ND ND ND ND -- ND ND ug/L 07/24/17 0.45 -- 5 ND ND ND -- ND ND ND ND ND -- -- ND ND -- ND ND ND ND -- ND Dry ND ug/L 11 /01 /17 0.45 -- 5 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ND Dry ND ug/L 02/20/18 0.45 -- 5 ND ND ND -- ND ND ND ND ND -- -- ND ND -- ND ND ND ND -- ND Dry ND ug/L 08/08/18 0.45 3.0 -- ND ND ND -- ND ND ND ND ND -- -- ND ND -- ND ND ND ND -- ND Dry ND ug/L 01/15/19 0.45 3.0 -- ND ND ND -- ND ND ND ND ND -- -- ND ND -- ND ND ND ND -- ND Dry ND ug/L 08/14/19 0.45 3.0 -- ND ND ND -- ND ND ND ND ND -- -- ND ND ND ND ND ND ND -- ND ND ND ug/L 01/13/20 0.45 3.0 -- ND ND ND -- ND ND ND ND ND -- -- ND ND -- ND ND ND ND -- ND Dry ND ug/L 08/11/20 0.45 3.0 -- ND ND ND -- ND ND ND ND ND -- -- ND ND -- ND ND ND ND -- ND ND ND 10 GOLDER Page 20 of 21 April 2021 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 Blanks Limit MW-9 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 Drain Sulfide mg/L 01/18/17 0.01 -- 1 ND ND ND -- ND ND ND ND ND -- -- ND ND -- ND ND ND ND ND -- ND ND No NC 2L, No EPA MCL mg/L 07/24/17 0.01 -- 1 ND ND 0.022 J -- ND ND ND ND ND -- -- ND ND -- ND ND ND ND -- ND Dry ND (Verification) mg/L 08/24/17 0.01 -- 1 -- -- 0.025 J I Dry ND Notes: ug/L = micrograms per liter mg/L = milligrams per liter S.U. = Standard Units NTU = Nephelometric Turbidity Units ND = 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 Janaury 2021 event: Antimony and Thallium (2x). 10 GOLDER Page 21 of 21 April 2021 Project No. 20140083 Table 5 Summary of Groundwater Field Parameters Rowan County Landfill (Active MSW and Closed C&D Facilities) Permit 80-03 SWS Upgradient MSW Wells Sidegradient and Downgradient MSW Wells Detected Monitoring Units Sample Date Reporting French Drain Constituents/Analytes Limit MW-9 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 pH S. U. 11 /04/05 -- -- -- -- -- -- -- -- -- 5.51 6.00 5.13 5.40 9.61 5.46 -- -- -- -- -- -- -- (field) S. U. 12/12/05 -- -- -- -- -- -- -- -- -- 5.62 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. 12/22/05 -- -- -- -- -- -- -- -- -- 5.59 5.50 5.50 5.65 9.42 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. 07/12/07 -- 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 -- 5.58 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 -- -- -- -- -- -- (Verification) 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. 01/12/16 -- 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 (Verification) S. U. 08/25/17 -- -- -- 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 -- 5.58 6.11 5.58 -- 5.80 5.79 5.46 5.38 4.58 -- -- 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 S. U. 01/26/21 -- 5.50 6.00 5.01 -- 5.47 5.37 5.16 4.45 4.30 -- -- 5.19 6.11 -- 5.40 5.91 5.12 5.38 -- 4.67 5.49 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 -- -- PS/cm 12/13/05 -- -- -- -- -- -- -- -- -- 90 125 95 130 145 110 -- -- -- -- -- -- -- PS/cm 12/22/05 -- -- -- -- -- -- -- -- -- 75 130 110 140 140 100 -- -- -- -- -- -- -- PS/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 -- -- -- -- -- -- -- PS/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 -- 211 212 111 130 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 82 111 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 77 111 -- Dry PS/cm 07/24/17 -- 180 238 94 -- 71 81 108 99 60 -- -- 148 118 -- 58 98 82 102 -- 82 Dry (Verification) PS/cm 08/25/17 -- -- -- 94 -- -- -- -- -- 54 -- -- -- -- -- -- -- 79 -- -- -- -- NS/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 08/08/18 -- 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 08/13/19 -- 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 08/10/20 -- 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 PS/cm 01 /26/21 -- 217.1 211.2 117.3 -- 92.6 74.4 116.3 83.9 48.3 -- -- 159.1 120.1 -- 66.5 119.0 102.6 145.2 -- 58.0 109.1 GOLDER Page 1 of 3 April 2021 Project No. 20140083 Table 5 Summary of Groundwater Field Parameters Rowan County Landfill (Active MSW and Closed C&D Facilities) Permit 80-03 SWS Upgradient MSW Wells Sidegradient and Downgradient MSW Wells Detected Monitoring Units Sample Date Reporting French Drain Constituents/Analytes Limit MW-9 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 Temperature °C 11/04/05 -- -- -- -- -- -- -- -- -- 18.30 18.10 18.20 17.50 17.30 17.30 -- -- -- -- -- -- -- (field) °C 12/12/05 -- -- -- -- -- -- -- -- -- 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 12/22/05 -- -- -- -- -- -- -- -- -- 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 17.90 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 07/12/07 -- 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 07/23/15 -- 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 01/12/16 -- 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 08/01/16 -- 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 08/25/17 -- -- -- 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 08/08/18 -- 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 01 / 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 08/13/19 -- 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 08/10/20 -- 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 ° C 01 /26/21 -- 14.1 13.0 14.9 -- 15.1 12.9 12.6 12.5 14.7 -- -- 16.0 14.1 -- 14.1 14.8 15.8 12.9 -- 16.6 15.3 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 58.5 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 22.8 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 07/18/11 -- 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 01/22/13 -- 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 -- -- -- -- -- -- (Verification) NTU 03/20/15 -- -- -- -- -- -- -- -- -- 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 08/01/16 -- 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 4.77 4.69 -- -- 3.96 19.6 -- 1.53 2.81 1.88 9.87 -- 9.14 Dry (Verification) NTU 08/25/17 -- -- -- 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 08/08/18 -- 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 08/13/19 -- 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 08/10/20 -- 4.74 5.54 5.34 -- 3.83 30.1 1.26 9.18 5.44 -- -- 6.29 17.3 -- 1.21 4.49 9.06 18.6 -- 1.88 0.68 NTU 01 /26/21 -- 2.17 1.67 2.23 -- 2.89 8.21 0.83 8.73 3.83 -- -- 2.20 42.8 -- 4.39 1.59 7.80 20.1 -- 4.97 21.2 G 0 L D E R 11111�> Page 2 of 3 April 2021 Project No. 20140083 Table 5 Summary of Groundwater Field Parameters Rowan County Landfill (Active MSW and Closed C&D Facilities) Permit 80-03 SWS Upgradient MSW Wells Sidegradient and Downgradient MSW Wells Detected Monitoring Units Sample Date Reporting French Drain Constituents/Analytes Limit MW-9 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 Oxygen Reduction Potential mV 9/26/06 -- 202 180 219 136 202 139 19 200 218 176 198 225 129 174 -- -- -- -- -- -- -- (field) mV 1/31/07 -- 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 -- 216.8 138.3 277.4 -- 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 -- 179.4 173.7 185.3 -- 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 -- 218.8 207.2 273.4 -- 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 08/25/17 -- -- -- 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 -- -- 289.3 407.4 -- 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 -- mV 01 /26/21 -- 99.7 89.8 117 -- 118.7 230.1 242.3 288.3 193.3 -- -- 204.8 208.2 -- 200.8 95.5 162.9 109.9 -- 270.9 -- 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 -- 4.60 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 2.22 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 08/24/17 -- -- -- 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 08/10/20 -- 0.65 5.60 0.36 -- 6.62 5.91 3.86 3.11 5.74 -- -- 2.80 5.65 -- 6.45 7.31 7.41 3.00 -- 5.85 -- mg/L 01 /26/21 -- 0.60 5.99 0.31 -- 5.63 7.01 3.31 4.04 5.64 -- -- 2.76 6.97 -- 8.29 6.24 6.30 2.73 -- 7.63 -- 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 GOLDER Page 3 of 3 April 2021 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 0.220 -- 6 ND ND ND ND -- ND ND ug/L 07/23/15 0.220 -- 6 0.481 J 0.304 J Dry Dry -- Dry ND ug/L 01/12/16 0.220 -- 6 ND ND 0.253 B ND -- ND 0.577 J ug/L 08/01/16 0.220 -- 6 0.372 J ND ND ND -- Dry ND ug/L 01/18/17 0.370 -- 6 ND ND ND 0.444 J -- Dry ND ug/L 07/24/17 0.370 -- 6 ND ND ND Dry -- Dry ND ug/L 02/20/18 0.370 -- 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 0.740 2.00 -- ND ND Dry ND ND ND ND ug/L 01/13/20 0.740 2.00 -- ND ND ND ND -- ND ND ug/L 08/11/20 0.740 2.00 -- ND ND Dry ND -- Dry ND ug/L 01 /26/21 0.740 2.00 -- ND ND ND ND -- ND 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 5.40 -- 10 ND ND ND ND -- ND ND ug/L 07/23/15 6.80 -- 10 ND ND Dry Dry -- Dry ND ug/L 01/12/16 6.80 -- 10 ND ND ND ND -- ND ND ug/L 08/01/16 6.80 -- 10 ND ND ND ND -- Dry ND ug/L 01/18/17 6.80 -- 10 ND ND ND ND -- Dry ND ug/L 07/24/17 6.80 -- 10 ND ND ND Dry -- Dry ND ug/L 02/20/18 6.80 -- 10 ND ND ND ND -- ND ND ug/L 08/08/18 7.60 10.0 -- ND ND ND ND -- ND ND ug/L 01/15/19 7.60 10.0 -- ND ND ND ND -- ND ND ug/L 08/14/19 7.60 10.0 -- ND ND Dry ND ND ND ND ug/L 01/13/20 7.60 10.0 -- ND ND ND ND -- ND ND ug/L 08/11/20 7.60 10.0 -- ND ND Dry ND -- Dry ND ug/L 01 /26/21 7.60 10.0 -- ND ND ND ND -- ND ND 4 GOLDER Page 1 of 11 April 2021 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 DownstreamLimit Detected Monitoring Constituents/Analytes Units Sample Date MDL MRL SWS Reporting 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 1.0 -- 100 44 J 59.8 J 46.8 J 77 J -- 74.4 J 1.01 J ug/L 07/23/15 1.0 -- 100 39.1 J 55.5 J Dry Dry -- Dry ND ug/L 01/12/16 1.0 -- 100 47.5 J 53.8 J 52.4 J 68 J -- 83.7 J 1.94 J ug/L 08/01/16 1.0 -- 100 41.7 J 42.9 J 27 J 61.4 J -- Dry ND ug/L 01/18/17 1.0 -- 100 43.8 J 46.6 J 86.9 J 76.9 J -- Dry ND ug/L 07/24/17 1.0 -- 100 120 48.6 J 56.0 J Dry -- Dry 2.03 J ug/L 02/20/18 1.0 -- 100 53.3 J 52.2 J 120 64.9 J -- 87.1 J ND ug/L 08/08/18 1.10 10.0 -- 109 88.2 174 51.9 -- 83.3 3.31 J ug/L 01 /15/19 1.10 10.0 -- 58.4 56.7 92.8 74.7 -- 86.2 ND ug/L 08/14/19 1.10 10.0 -- 115 109 Dry 78.9 -- 79.5 2.69 J ug/L 01/13/20 1.10 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 ug/L 01 /26/21 1.10 10.0 -- 49.8 53.2 204 97.0 -- 93.4 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 0.160 1.00 -- 0.680 J 0.445 J ND ND -- ND ND ug/L 01/15/19 0.160 1.00 -- ND ND ND ND -- ND ND ug/L 08/14/19 0.160 1.00 0.296 J ND Dry ND -- ND ND ug/L 01/13/20 0.160 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 ug/L 01 /26/21 0.160 1.00 -- ND ND ND ND -- ND ND 4 GOLDER Page 2 of 11 April 2021 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 0.360 -- 1 ND ND ND ND -- ND ND ug/L 07/23/15 0.360 -- 1 ND ND Dry Dry -- Dry ND ug/L 01/12/16 0.360 -- 1 ND ND ND ND -- ND ND ug/L 08/01/16 0.360 -- 1 ND ND ND ND -- Dry ND ug/L 01/18/17 0.360 -- 1 ND ND ND ND -- Dry ND ug/L 07/24/17 0.360 -- 1 ND ND ND Dry -- Dry ND ug/L 02/20/18 0.360 -- 1 ND ND ND ND -- ND 0.383 J ug/L 08/08/18 0.360 1.00 -- ND ND ND ND -- ND ND ug/L 01/15/19 0.360 1.00 -- ND ND ND ND -- ND ND ug/L 08/14/19 0.360 1.00 -- ND ND Dry ND -- ND ND ug/L 01/13/20 0.360 1.00 -- ND ND ND ND -- ND ND ug/L 08/11/20 0.360 1.00 -- ND ND Dry ND -- Dry ND ug/L 01 /26/21 0.360 1.00 -- ND ND ND ND -- ND 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 1.40 -- 10 ND ND ND ND -- ND ND ug/L 07/23/15 1.40 -- 10 ND ND Dry Dry -- Dry ND ug/L 01/12/16 1.40 -- 10 ND ND ND ND -- ND ND ug/L 08/01/16 1.40 -- 10 ND ND ND ND -- Dry ND ug/L 01/18/17 1.40 -- 10 ND 4.24 J ND ND -- Dry ND ug/L 07/24/17 1.40 -- 10 9.46 J ND ND Dry -- Dry ND ug/L 02/20/18 1.40 -- 10 ND ND ND ND -- ND ND ug/L 08/08/18 1.40 10.0 -- 8.14 J 11.0 ND ND -- ND 1.66 J ug/L 01/15/19 1.40 10.0 -- 2.51 J 1.52 J 3.52 J ND -- ND ND ug/L 08/14/19 1.40 10.0 -- ND 2.58 J Dry ND -- ND ND ug/L 01/13/20 1.40 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 ug/L 01 /26/21 1.40 10.0 -- 1.47 J ND 4.65 J ND -- ND ND 4 GOLDER Page 3 of 11 April 2021 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 DownstreamLimit Detected Monitoring Constituents/Analytes Units Sample Date MDL MRL SWS Reporting 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 1.10 -- 10 1.16 J 2.43 J 1.92 J ND -- 1.83 J ND ug/L 07/23/15 1.10 -- 10 1.51 J 1.64 J Dry Dry -- Dry ND ug/L 01/12/16 1.10 -- 10 ND ND 1.74 J ND -- ND ND ug/L 08/01 /16 1.10 -- 10 ND ND ND ND -- Dry ND ug/L 01/18/17 1.10 -- 10 ND ND 2.68 J ND -- Dry ND ug/L 07/24/17 1.10 -- 10 6.41 J ND 1.14 J Dry -- Dry ND ug/L 02/20/18 1.10 -- 10 1.23 B 1.45 B ND 1.82 B -- 2.17 B 1.22 J ug/L 08/08/18 1.40 10.0 -- 5.27 J 3.36 J 12.1 1.45 J -- 2.57 J ND ug/L 01/15/19 1.40 10.0 -- ND ND 4.65 J ND -- 1.84 J ND ug/L 08/14/19 1.40 10.0 -- 4.45 J 4.60 J Dry ND -- 4.21 J ND ug/L 01 /13/20 1.40 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 ug/L 01 /26/21 1.40 10.0 -- ND ND 5.93 J ND -- 9.27 J 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 1.60 -- 10 ND ND ND ND -- ND ND ug/L 07/23/15 1.60 -- 10 1.83 B ND Dry Dry -- Dry 1.9 J ug/L 01/12/16 1.60 -- 10 ND ND 2.04 B ND -- ND 3.52 J ug/L 08/01/16 1.60 -- 10 ND ND 2.11 J ND -- Dry ND ug/L 01/18/17 1.60 -- 10 3.86 B 4.56 B 3.62 B 2.2 B -- Dry 4.8 J ug/L 07/24/17 1.60 -- 10 15.4 B 3.49 B 2.04 B Dry -- Dry 4.18 J ug/L 02/20/18 1.60 -- 10 ND ND 2.88 J ND -- ND ND ug/L 08/08/18 1.60 10.0 -- 6.99 J 4.73 J ND ND -- ND ND ug/L 01/15/19 1.60 10.0 -- 2.49 J 1.74 J 6.58 J ND -- ND ND ug/L 08/14/19 1.60 10.0 -- 22.9 17.4 Dry ND -- ND 2.38 J ug/L 01/13/20 1.60 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 ug/L 01/26/21 1.60 10.0 -- 2.20 J 2.36 J 2.68 J 3.19 J -- ND ND 4 GOLDER Page 4 of 11 April 2021 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 2.10 -- 10 ND ND ND ND -- ND ND ug/L 07/23/15 3.10 -- 10 ND ND Dry Dry -- Dry ND ug/L 01/12/16 3.10 -- 10 ND ND ND ND -- ND ND ug/L 08/01/16 3.10 -- 10 ND ND ND ND -- Dry ND ug/L 01/18/17 3.10 -- 10 ND ND ND ND -- Dry ND ug/L 07/24/17 3.10 -- 10 5.21 J ND ND Dry -- Dry ND ug/L 02/20/18 3.10 -- 10 ND ND ND ND -- ND ND ug/L 08/08/18 3.10 10.0 -- 5.94 J ND ND ND -- ND ND ug/L 01/15/19 3.10 10.0 -- ND ND ND ND -- ND ND ug/L 08/14/19 3.10 10.0 -- 7.77 J 5.46 J Dry ND -- ND ND ug/L 01/13/20 3.10 10.0 -- ND 6.70 J ND 3.60 J -- ND ND ug/L 08/11/20 3.10 10.0 -- ND ND Dry ND -- Dry ND ug/L 01/26/21 3.10 10.0 -- ND ND ND ND -- ND ND Nickel 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 = 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 1.80 -- 50 ND ND ND ND -- ND ND ug/L 07/23/15 1.80 -- 50 ND ND Dry Dry -- Dry ND ug/L 01/12/16 1.80 -- 50 ND ND ND ND -- ND ND ug/L 08/01/16 2.20 -- 50 ND ND ND ND -- Dry ND ug/L 01/18/17 2.20 -- 50 ND 2.77 J ND ND -- Dry ND ug/L 07/24/17 2.20 -- 50 5.42 J ND ND Dry -- Dry ND ug/L 02/20/18 2.20 -- 50 ND ND ND ND -- 4.20 J ND ug/L 08/08/18 2.20 10.0 -- 6.82 J 3.87 J 2.34 J ND -- 3.52 J ND ug/L 01/15/19 2.20 10.0 -- ND ND 3.39 J ND -- 8.18 J ND ug/L 08/14/19 2.20 10.0 -- ND 2.47 J Dry ND -- 8.37 J ND ug/L 01/13/20 2.20 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 ug/L 01/26/21 2.20 10.0 -- ND ND 6.01 J ND -- 6.27 J ND 4 GOLDER Page 5 of 11 April 2021 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 6.20 -- 10 ND ND ND ND -- Dry ND ug/L 01/18/17 6.20 -- 10 ND ND ND ND -- Dry ND ug/L 07/24/17 6.20 -- 10 ND ND ND Dry -- Dry ND ug/L 02/20/18 6.20 -- 10 ND ND ND ND -- ND ND ug/L 08/08/18 6.20 10.0 -- ND ND ND ND -- ND ND ug/L 01/15/19 6.20 10.0 -- ND ND ND ND -- ND ND ug/L 08/14/19 6.20 10.0 -- ND ND Dry ND -- ND ND ug/L 01/13/20 6.20 10.0 -- ND ND ND ND -- ND ND ug/L 08/11/20 6.20 10.0 -- ND ND Dry ND -- Dry ND ug/L 01 /26/21 6.20 10.0 -- ND ND ND ND -- ND 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 1.90 -- 10 2.23 B 2.31 B 2.45 B 2.63 B -- 2.71 B 3.39 J ug/L 07/23/15 1.90 -- 10 ND ND Dry Dry -- Dry ND ug/L 01/12/16 1.90 -- 10 ND ND ND ND -- ND ND ug/L 08/01/16 1.90 -- 10 ND ND ND ND -- Dry ND ug/L 01/18/17 1.90 -- 10 ND ND ND ND -- Dry ND ug/L 07/24/17 1.90 -- 10 ND ND ND Dry -- Dry ND ug/L 02/20/18 1.90 -- 10 ND ND ND ND -- ND ND ug/L 08/08/18 1.90 10.0 -- ND ND ND ND -- ND ND ug/L 01/15/19 1.90 10.0 -- ND ND ND ND -- ND ND ug/L 08/14/19 1.90 10.0 -- ND ND Dry ND -- ND ND ug/L 01/13/20 1.90 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 ug/L 01 /26/21 1.90 10.0 -- ND ND ND ND -- ND ND 4 GOLDER Page 6 of 11 April 2021 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 DownstreamLimit Detected Monitoring Constituents/Analytes Units Sample Date MDL MRL SWS Reporting 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 0.110 -- 5.5 ND ND ND ND -- ND ND ug/L 07/23/15 0.110 -- 5.5 ND ND Dry Dry -- Dry ND ug/L 01/12/16 0.110 -- 5.5 ND ND ND ND -- ND ND ug/L 08/01/16 0.110 -- 5.5 ND ND ND ND -- Dry ND ug/L 01/18/17 0.110 -- 5.5 0.585 J ND 0.148 J ND -- Dry ND ug/L 07/24/17 0.110 -- 5.5 0.203 J 0.152 J 0.133 J Dry -- Dry ND ug/L 02/20/18 0.110 -- 5.5 ND ND ND ND -- ND ND ug/L 08/08/18 0.550 5.00 -- ND ND ND ND -- ND ND ug/L 01/15/19 0.550 5.00 -- ND ND ND ND -- ND ND ug/L 08/14/19 0.220 2.00 -- ND ND Dry ND -- ND ND ug/L 01/13/20 0.220 2.00 -- ND ND ND ND -- ND ND ug/L 08/11/20 0.220 2.00 -- ND ND Dry ND -- Dry ND ug/L 01 /26/21 0.220 2.00 -- ND ND ND ND -- ND 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 1.40 -- 25 2.06 J 2.46 J 3.24 J 1.51 J -- 3.78 J ND ug/L 07/23/15 1.40 -- 25 4.23 J 3.4 J Dry Dry -- Dry ND ug/L 01/12/16 1.40 -- 25 2.52 J 2.49 J 1.64 J ND -- ND ND ug/L 08/01/16 1.40 -- 25 4.25 J 4.26 J 4.56 J 2.06 J -- Dry ND ug/L 01/18/17 1.40 -- 25 2.19 J 2.51 J 3.46 J ND -- Dry ND ug/L 07/24/17 1.40 -- 25 36.6 4.89 J 3.80 J Dry -- Dry ND ug/L 02/20/18 1.40 -- 25 4.74 J 5.34 J 4.32 J 2.48 J -- 3.67 J ND ug/L 08/08/18 1.40 10.0 -- 31.2 23.1 1.62 J 2.02 J -- 2.44 J ND ug/L 01/15/19 1.40 10.0 -- 6.68 J 6.19 J 10.3 ND -- ND ND ug/L 08/14/19 1.40 10.0 -- 18.3 24.4 Dry 1.81 J -- ND ND ug/L 01/13/20 1.40 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 ug/L 01/26/21 1.40 10.0 -- 3.17 J 2.97 J 3.39 J ND -- ND ND 4 GOLDER Page 7 of 11 April 2021 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 DownstreamLimit Detected Monitoring Constituents/Analytes Units Sample Date MDL MRL SWS Reporting 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 3.80 -- 10 ND ND ND ND -- ND ND ug/L 07/23/15 3.80 -- 10 ND ND Dry Dry -- Dry ND ug/L 01/12/16 3.80 -- 10 ND 3.89 J 11.2 ND -- ND ND ug/L 08/01/16 4.40 -- 10 ND ND 4.65 J ND -- Dry ND ug/L 01/18/17 4.40 -- 10 ND ND 16.5 ND -- Dry ND ug/L 07/24/17 4.40 -- 10 63.1 ND ND Dry -- Dry ND ug/L 02/20/18 4.40 -- 10 ND ND 9.18 J ND -- ND ND ug/L 08/08/18 4.40 10.0 -- 21.8 14.6 5.41 J ND -- ND ND ug/L 01/15/19 4.40 10.0 -- ND ND 10.4 ND -- ND ND ug/L 08/14/19 4.40 10.0 -- 16.1 17.0 Dry 5.23 J -- 4.77 J ND ug/L 01/13/20 4.40 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 ug/L 01 /26/21 4.40 10.0 -- ND ND 40.7 ND -- ND 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 ug/L 01 /26/21 10 20 -- ND ND 66 ND -- ND ND 4 GOLDER Page 8 of 11 April 2021 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 ug/L 01 /26/21 0.88 5.0 -- ND ND 9.1 ND -- ND 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 1.3 -- 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 1.3 -- 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 ug/L 01 /26/21 1.3 5.0 -- ND ND 50 ND -- ND ND 4 GOLDER Page 9 of 11 April 2021 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 ug/L 01 /26/21 1.1 5.0 -- ND ND ND ND -- ND 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 ug/L 01 /26/21 0.14 1.0 -- ND ND ND ND -- ND ND 4 GOLDER Page 10 of 11 April 2021 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 DownstreamLimit Detected Monitoring Constituents/Analytes Units Sample Date MDL MRL SWS Reporting 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 ug/L 01 /26/21 0.80 2.0 -- -- -- -- -- -- 2.6 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 January 2021 event: Antimony and Thallium (2x) 4 GOLDER Page 11 of 11 April 2021 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/Anal tes Y Units Sample Date Active MSW Landfill C&D 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 (Verification) 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. 08/10/20 6.84 7.06 Dry 8.54 -- Dry S. U. 01 /26/21 7.74 7.17 7.39 8.71 -- 5.94 Specific Conductivity PS/cm 12/30/05 145 150 -- -- -- -- (field) PS/cm 09/26/06 123 104 Dry 151 Dry Dry PS/cm 01/31/07 111 258 421 110 Dry 103 PS/cm 07/12/07 180 176 Dry Dry Dry 98 PS/cm 01/17/08 233 189 90 293 Dry 117 PS/cm 07/30/08 304 320 Dry Dry Dry Dry PS/cm 01/21/09 141 154 116 74 Dry 118 PS/cm 07/14/09 119 114 Dry 174 Dry Dry PS/cm 01/07/10 132 133 247 98 -- 107 (Verification) PS/cm 01/20/10 -- -- 146 -- 68 -- PS/cm 07/20/10 129 128 Dry 99 Dry Dry PS/cm 01/31/11 134 134 136 0.127 Dry 97 PS/cm 07/18/11 148 151 Dry 94 Dry 107 PS/cm 01/24/12 137 134 113 96 Dry 95 PS/cm 07/18/12 144 149 Dry Dry Dry Dry PS/cm 01/22/13 151 156 103 112 Dry 119 PS/cm 07/15/13 148 145 148 87 -- 110 PS/cm 01/27/14 168 151 218 114 -- 142 PS/cm 07/15/14 151 164 Dry 98 -- 123 PS/cm 01/20/15 127 133 103 91 -- 102 PS/cm 07/23/15 139 163 Dry Dry -- Dry PS/cm 01/12/16 118 124 221 89 -- 147 PS/cm 08/01/16 147 167 35 103 -- Dry PS/cm 01/18/17 133 148 121 88 -- Dry PS/cm 07/24/17 166 148 116 Dry -- Dry PS/cm 02/20/18 163 159 291 105 -- 181 PS/cm 08/08/18 120.2 52.6 388.4 109.4 -- 209.6 PS/cm 01/06/19 114.2 114.8 282.8 100.4 -- 122.2 (Verification) PS/cm 02/21/19 -- -- 355.4 -- -- -- PS/cm 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 PS/cm 08/10/20 129.2 130.1 Dry 97.8 -- Dry PS/cm 01/21/21 171.8 122.3 729.8 92.3 -- 197.1 Project No. 20140083 4 GOLDER Page 1of3 April 2021 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/Anal tes Y Units Sample Date Active MSW Landfill C&D 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 08/10/20 24.5 24.8 Dry 21.1 -- Dry °C 01 /26/21 10.4 9.7 8.2 8.7 -- 9.3 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 14.4 -- 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 08/10/20 157 172 Dry 13.4 -- Dry NTU 01 /26/21 47.5 184 70.0 11.6 -- 17.9 Project No. 20140083 4 GOLDER Page 2of3 April 2021 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/Anal tes Y Units Sample Date Active MSW Landfill C&D 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 mV 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 mV 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 mV 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 mV 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 mV 01 /22/13 -- -- -- -- Dry -- mV 07/15/13 114.2 130.1 66.1 128.3 -- 93.1 mV 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 mV 01/20/15 85.0 155.0 83.5 114.1 -- 183.7 mV 07/23/15 83.7 -57.5 Dry Dry -- Dry mV 01/12/16 228.8 187.2 342.8 227.1 -- 137.4 mV 08/01 /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 mV 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 mV 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 Dry -8.3 -- Dry mV 01 /26/21 31.8 135.6 -79.9 -4.2 -- 144.8 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/L 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/L 07/14/09 6.71 7.31 Dry 3.78 Dry Dry mg/L 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 -- -- -- mg/L 08/14/19 7.34 6.37 Dry 4.77 -- 0.14 mg/L 01/13/20 8.32 9.29 6.53 9.84 -- 8.32 mg/L 08/10/20 6.82 7.40 Dry 6.82 -- Dry mg/L 01 /26/21 8.73 7.55 6.59 7.00 -- 7.68 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 Monitoring point SW-6 was omitted from the monitoring network during a revision to the facility's WQMP. Project No. 20140083 4 GOLDER Page 3of3 April 2021 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 3.70 -- 6 ND ND ug/L 07/27/17 3.70 -- 6 ND ND ug/L 02/20/18 3.70 -- 6 ND ND ug/L 08/08/18 1.85 5.00 -- 2.32 J ND ug/L 01/16/19 3.70 10.0 -- ND ND ug/L 08/15/19 3.70 10.0 -- ND ND ug/L 01/16/20 3.70 10.0 -- ND ND ug/L 08/12/20 3.70 10.0 -- ND ND ug/L 01/26/21 0.740 2.00 -- 3.51 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 6.80 -- 10 ND ND ug/L 07/27/17 6.80 -- 10 15.3 ND ug/L 02/20/18 6.80 -- 10 ND ND ug/L 08/08/18 7.60 10.0 -- ND ND ug/L 01/16/19 7.60 10.0 -- ND ND ug/L 08/15/19 7.60 10.0 -- ND ND ug/L 01/16/20 7.60 10.0 -- ND ND ug/L 08/12/20 7.60 10.0 -- ND ND ug/L 01/26/21 7.60 10.0 -- ND ND 4 GOLDER Page 1of22 April 2021 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 1.00 -- 100 183 ND ug/L 07/27/17 1.00 -- 100 683 2.03 J ug/L 02/20/18 1.00 -- 100 279 ND ug/L 08/08/18 1.10 10.0 -- 141 3.31 J ug/L 01 /16/19 1.10 10.0 -- 631 ND ug/L 08/15/19 1.10 10.0 -- 640 ND ug/L 01/16/20 1.10 10.0 -- 562 1.11 J ug/L 08/12/20 1.10 10.0 -- 604 ND ug/L 01 /26/21 1.10 10.0 -- 631 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 0.360 -- 1 ND ND ug/L 07/27/17 0.360 -- 1 0.629 J ND ug/L 02/20/18 0.360 -- 1 ND ND ug/L 08/08/18 0.360 1.00 -- ND ND ug/L 01/16/19 0.360 1.00 -- ND ND ug/L 08/15/19 0.360 1.00 -- ND ND ug/L 01/16/20 0.360 1.00 -- ND ND ug/L 08/12/20 0.360 1.00 -- ND ND ug/L 01/26/21 0.360 1.00 -- ND ND 4 GOLDER Page 2of22 April 2021 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 1.40 -- 10 3.49 J ND ug/L 07/27/17 1.40 -- 10 31.6 ND ug/L 02/20/18 1.40 -- 10 10.7 ND ug/L 08/08/18 1.40 10.0 -- 3.35 B 1.66 J ug/L 01 /16/19 1.40 10.0 -- 13.6 ND ug/L 08/15/19 1.40 10.0 -- 17.5 ND ug/L 01/16/20 1.40 10.0 -- 7.58 J ND ug/L 08/12/20 1.40 10.0 -- 22.7 ND ug/L 01 /26/21 1.40 10.0 -- 13.1 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 1.10 -- 10 17.4 ND ug/L 07/27/17 1.10 -- 10 23.0 ND ug/L 02/20/18 1.10 -- 10 42.0 1.22 J ug/L 08/08/18 1.40 10.0 -- 10.5 ND ug/L 01/16/19 1.40 10.0 -- 8.16 J ND ug/L 08/15/19 1.40 10.0 -- 11.0 ND ug/L 01/16/20 1.40 10.0 -- 4.75 J ND ug/L 08/12/20 1.40 10.0 -- 12.3 ND ug/L 01/26/21 1.40 10.0 -- 6.71 J ND 4 GOLDER Page 3of22 April 2021 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 1.60 -- 10 3.72 B 4.80 J ug/L 07/27/17 1.60 -- 10 4.26 J 4.18 J ug/L 02/20/18 1.60 -- 10 ND ND ug/L 08/08/18 1.60 10.0 -- ND ND ug/L 01/16/19 1.60 10.0 -- ND ND ug/L 08/15/19 1.60 10.0 -- ND ND ug/L 01/16/20 1.60 10.0 -- ND ND ug/L 08/12/20 1.60 10.0 -- 1.61 J ND ug/L 01 /26/21 1.60 10.0 -- ND 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 3.10 -- 10 ND ND ug/L 07/27/17 3.10 -- 10 11.2 ND ug/L 02/20/18 3.10 -- 10 ND ND ug/L 08/08/18 3.10 10.0 -- ND ND ug/L 01/16/19 3.10 10.0 -- 3.20 J ND ug/L 08/15/19 3.10 10.0 -- ND ND ug/L 01/16/20 3.10 10.0 -- ND ND ug/L 08/12/20 3.10 10.0 -- ND ND ug/L 01 /26/21 3.10 10.0 -- ND ND 4 GOLDER Page 4of22 April 2021 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 2.20 -- 50 10.2 J ND ug/L 07/27/17 2.20 -- 50 18.1 J ND ug/L 02/20/18 2.20 -- 50 15.7 J ND ug/L 08/08/18 2.20 10.0 -- 21.0 ND ug/L 01/16/19 2.20 10.0 -- 29.4 ND ug/L 08/15/19 2.20 10.0 -- 43.2 ND ug/L 01/16/20 2.20 10.0 -- 19.1 ND ug/L 08/12/20 2.20 10.0 -- 47.9 ND ug/L 01 /26/21 2.20 10.0 -- 28.5 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 1.90 -- 10 ND ND ug/L 07/27/17 1.90 -- 10 ND ND ug/L 02/20/18 1.90 -- 10 2.33 J ND ug/L 08/08/18 1.90 10.0 -- ND ND ug/L 01/16/19 1.90 10.0 -- ND ND ug/L 08/15/19 1.90 10.0 -- ND ND ug/L 01/16/20 1.90 10.0 -- ND ND ug/L 08/12/20 1.90 10.0 -- ND ND ug/L 01/26/21 1.90 10.0 -- ND ND 4 GOLDER Page 5of22 April 2021 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 1.10 -- 5.5 9.09 J ND ug/L 07/27/17 1.10 -- 5.5 ND ND ug/L 02/20/18 1.10 -- 5.5 ND ND ug/L 08/08/18 0.550 5.00 -- ND ND ug/L 01/16/19 1.10 10.0 -- ND ND ug/L 08/15/19 1.10 10.0 -- ND ND ug/L 01/16/20 1.10 10.0 -- ND ND ug/L 08/12/20 1.10 10.0 -- ND ND ug/L 01/26/21 0.220 2.00 -- 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 1.40 -- 25 ND ND ug/L 07/27/17 1.40 -- 25 15.1 J ND ug/L 02/20/18 1.40 -- 25 6.20 J ND ug/L 08/08/18 1.40 10.0 -- ND ND ug/L 01/16/19 1.40 10.0 -- 6.29 J ND ug/L 08/15/19 1.40 10.0 -- 10.6 ND ug/L 01/16/20 1.40 10.0 -- 2.64 J ND ug/L 08/12/20 1.40 10.0 -- 12.4 ND ug/L 01/26/21 1.40 10.0 -- 7.58 J ND 4 GOLDER Page 6of22 April 2021 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 4.40 -- 10 10.3 ND ug/L 07/27/17 4.40 -- 10 684 ND ug/L 02/20/18 4.40 -- 10 263 ND ug/L 08/08/18 4.40 10.0 -- 11.9 ND ug/L 01/16/19 4.40 10.0 -- 5.61 J ND ug/L 08/15/19 4.40 10.0 -- 6.70 J ND ug/L 01/16/20 4.40 10.0 -- 7.64 J ND ug/L 08/12/20 4.40 10.0 -- ND ND ug/L 01/26/21 4.40 10.0 -- 4.53 J 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 ug/L 01/26/21 100 200 -- 260 ND 4 GOLDER Page 7of22 April 2021 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 ug/L 01 /26/21 1.5 10 -- 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 ug/L 01/26/21 15 50 -- ND ND 4 GOLDER Page 8of22 April 2021 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 ug/L 01 /26/21 1.7 10 -- 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 ug/L 01 /26/21 1.9 10 -- ND ND 4 GOLDER Page 9of22 April 2021 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 ug/L 01 /26/21 1.3 10 -- 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 ug/L 01 /26/21 2.1 10 -- ND ND 4 GOLDER Page 10of22 April 2021 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 ug/L 01 /26/21 1.5 10 -- 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 ug/L 01 /26/21 1.3 10 -- ND ND 4 GOLDER Page 11of22 April 2021 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 ug/L 01 /26/21 1.4 10 -- 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 ug/L 01 /26/21 1.3 10 -- ND ND 4 GOLDER Page 12of22 April 2021 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 ug/L 01 /26/21 2.3 10 -- 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 ug/L 01/26/21 13 50 -- ND ND 4 GOLDER Page 13of22 April 2021 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 ug/L 01/26/21 17 50 -- 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 ug/L 01/26/21 11 50 -- ND ND 4 GOLDER Page 14of22 April 2021 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 ug/L 01 /26/21 1.1 10 -- ND 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 ug/L 01 /26/21 1.7 10 -- ND ND 4 GOLDER Page 15of22 April 2021 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 ug/L 01/26/21 1.4 10 -- 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 ug/L 01/26/21 1.5 10 -- ND ND 4 G❑L❑ER Page 16of22 April 2021 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 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 ug/L 01 /26/21 3.2 10 -- 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 ug/L 01/26/21 4.5 30 -- ND ND 4 GOLDER Page 17of22 April 2021 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 1,4-Dioxane ug/L 01/16/20 4.0 10.0 -- 120 ND ug/L 01/26/21 8.0 20 -- 280 ND 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 0.041 0.1 -- ND ND mg/L 01/26/21 0.041 0.1 -- 0.061 J 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 mg/L 01/26/21 2.9 5 -- 4.1 J ND 4 GOLDER Page 18of22 April 2021 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 mg/L 01/26/21 2 2 -- 36 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 mg/L 01 /26/21 10 10 -- 450 ND 4 GOLDER Page 19of22 April 2021 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 -- -- 1.0 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 mg/L 01/26/21 0.025 0.1 -- 0.40 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 -- S.U. 01/26/21 -- -- -- 8.99 -- 4 G O L D E R Page 20 of 22 April 2021 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 -- PS/cm 01/26/21 -- -- -- 3033 -- 4 G O L D E R Page 21 of 22 April 2021 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 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 -- °C 01 /26/21 -- -- -- 13.7 -- 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 Prior to the August 2018 event, J flags are estimated values below the SWS Reporting limit. Beginning with the August 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 January 2021 event: antimony and thallium (10x), and VOCs (10x). 4 G O L D E R Page 22 of 22 April 2021 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 C&D Monitoring Wells Detected Monitoring Constituents/Analytes Units Sample Date MDL MRL SWS Reporting Limit Blanks Upgradient Downgradient MW-17 MW-18 MW-18R MW-19 Antimony ug/L 11 /4/05 -- -- -- ND ND -- ND -- IMAC = 1 ug/L ug/L 12/12/05 -- -- -- ND ND -- ND -- EPA MCL = 6 ug/L ug/L 12/13/05 -- -- -- ND ND -- ND -- ug/L 12/22/05 -- -- -- ND ND -- ND -- ug/L 12/30/05 -- -- 30 ND ND -- ND ND ug/L 9/26/06 -- -- 30 -- -- -- -- ND ug/L 1 /31 /07 -- -- 6 ND ND -- ND ND ug/L 7/12/07 -- -- 6 ND ND -- ND ND ug/L 8/6/07 -- -- 6 -- -- ND -- ND ug/L 1 /17/08 -- -- 6 ND -- ND ND - ug/L 7/30/2008 -- -- 6 ND -- ND ND ND ug/L 01 /22/09 -- -- 6 ND -- ND ND ND ug/L 07/14/09 -- -- 6 ND -- ND ND ND ug/L 01 /07/10 -- -- 6 ND -- ND ND ND ug/L 07/20/10 -- -- 6 ND -- ND ND ND ug/L 01/31/11 -- -- 6 ND -- ND ND ND ug/L 07/18/11 -- -- 6 ND -- ND ND ND ug/L 07/19/12 -- -- 6 ND -- ND ND ND ug/L 01/30/13 -- -- 6 ND -- ND ND 0.35 J ug/L 07/15/13 -- -- 6 ND -- ND ND ND ug/L 01/27/14 -- -- 6 0.422 J -- 1.31 J ND ND ug/L 07/14/14 -- -- 6 ND -- ND ND ND ug/L 01/20/15 0.220 -- 6 ND -- ND ND -- ug/L 07/23/15 0.220 -- 6 0.399 J -- ND ND ND ug/L 01 /12/16 0.220 -- 6 0.478 B -- 0.266 B ND 0.577 J ug/L 08/01/16 0.220 -- 6 ND -- ND ND ND ug/L 01/17/17 0.370 -- 6 ND -- ND ND ND ug/L 07/26/17 0.370 -- 6 ND -- ND ND ND ug/L 02/20/18 0.370 -- 6 ND -- ND ND - ug/L 08/08/18 1.85 5.00 -- ND -- ND ND ND ug/L 01 /15/19 1.85 5.00 -- ND -- ND ND ND ug/L 08/15/19 0.740 2.00 -- ND -- ND ND ND ug/L 01/13/20 0.740 2.00 -- ND -- ND ND ND ug/L 08/10/20 0.740 2.00 -- ND -- ND ND ND ug/L 01 /26/21 0.740 2.00 - ND - ND ND ND Arsenic ug/L 11 /4/05 -- -- -- ND ND -- ND -- NC 2L = 10 ug/L ug/L 12/12/05 -- -- -- ND ND -- ND -- EPA MCL = 10 ug/L ug/L 12/13/05 -- -- -- ND ND -- ND -- ug/L 12/22/05 -- -- -- ND ND -- ND -- ug/L 12/30/05 -- -- 10 ND ND -- ND ND ug/L 9/26/06 -- -- 10 N D ND -- ND ND ug/L 1 /31 /07 -- -- 10 4.0 B 2.4 B -- ND 3.0 J ug/L 7/12/07 -- -- 10 ND ND -- ND ND ug/L 8/6/07 -- -- 10 -- -- 5.2 J -- ND ug/L 1 /17/08 -- -- 10 ND -- ND ND ND ug/L 07/30/08 -- -- 10 4.2 B -- ND ND 3.2 J ug/L 01 /22/09 -- -- 10 ND -- ND ND ND ug/L 07/14/09 -- -- 10 ND -- ND ND 3.84 J ug/L 01 /07/10 -- -- 10 ND -- ND ND ND ug/L 07/20/10 -- -- 10 ND -- ND ND ND ug/L 01/31/11 -- -- 10 ND -- ND ND 4.78 J ug/L 07/18/11 -- -- 10 3.94 J -- 3.45 J 4.56 J ND ug/L 01 /25/12 -- -- 10 ND -- ND ND ND ug/L 07/19/12 -- -- 10 ND -- 3.93 J 6.09 J ND ug/L 01/30/13 -- -- 10 ND -- ND ND 2.98 J 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 5.40 -- 10 ND -- ND ND ND ug/L 07/23/15 6.80 -- 10 ND -- ND ND ND ug/L 01/12/16 6.80 -- 10 ND -- ND ND ND ug/L 08/01/16 6.80 -- 10 ND -- ND ND ND ug/L 01/17/17 6.80 -- 10 ND -- ND ND ND ug/L 07/26/17 6.80 -- 10 ND -- ND ND ND ug/L 02/20/18 6.80 -- 10 ND -- ND ND ND ug/L 08/08/18 7.60 10.0 -- ND -- ND ND ND ug/L 01/15/19 7.60 10.0 -- ND -- ND ND ND ug/L 08/15/19 7.60 10.0 -- ND -- ND ND ND ug/L 01/13/20 7.60 10.0 -- ND -- ND ND ND ug/L 08/10/20 7.60 10.0 -- ND -- ND ND ND ug/L 01 /26/21 7.60 10.0 - ND - ND ND ND )0 GOLDER Page 1 of 13 April 2021 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 C&D Monitoring Wells Detected Monitoring Constituents/Analytes Units Sample Date MDL MRL SWS Reporting Limit Blanks Upgradient Downgradient M W-17 M W-18 M W-18 R M W-19 Barium ug/L 11 /4/05 -- -- -- N D N D -- N D -- NC 2L = 700 ug/L ug/L 12/12/05 -- -- -- ND ND -- ND -- EPA MCL = 2000 ug/L ug/L 12/13/05 -- -- -- ND ND -- ND -- ug/L 12/22/05 -- -- -- ND ND -- ND -- u g/L 12/30/05 -- -- 500 ND ND -- ND ND ug/L 9/26/06 -- -- 500 ND ND -- ND ND ug/L 1 /31 /07 -- -- 100 9.10 J 66.8 -- 55.5 J 0.40 J ug/L 7/12/07 -- -- 100 12.8 J 41.9 J -- 55.9 J ND ug/L 8/6/07 -- -- 100 -- -- 65.4 B -- 17.4 J ug/L 1/17/08 -- -- 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 1.0 -- 100 15.7 J -- 126 66.2 J 1.01 J ug/L 07/23/15 1.0 -- 100 17.0 J -- 90.6 J 66.3 J ND ug/L 01 /12/16 1.0 -- 100 17.6 J -- 120 57.1 J 1.94 J ug/L 08/01/16 1.0 -- 100 14.9 J -- 72.6 J 68.6 J ND ug/L 01/17/17 1.0 -- 100 17.7 J -- 136 69.3 J ND ug/L 07/26/17 1.0 -- 100 18.4 J -- 99.7 J 72.4 J 2,03 J ug/L 02/20/18 1.0 -- 100 16.9 J -- 118 64.4 J ND ug/L 08/08/18 1.10 10.0 -- 18.0 -- 105 65.4 3.31 J ug/L 01/15/19 1.10 10.0 -- 21.2 -- 150 71.8 ND ug/L 08/15/19 1.10 10.0 -- 21.3 -- 216 104 ND ug/L 01 /13/20 1.10 10.0 -- 22.4 -- 214 60.8 1.11 J ug/L 08/10/20 1.10 10.0 -- 25.3 -- 115 160 ND ug/L 01 /26/21 1.10 10.0 - 22.3 - 113 156 ND Beryllium ug/L 11 /4/05 -- -- -- ND ND -- 3.7 -- IMAC = 4 ug/L ug/L 12/12/05 -- -- -- ND 5.6 -- 2.7 -- EPA MCL = 4 ug/L ug/L 12/13/05 -- -- -- ND 6.5 -- ND -- ug/L 12/22/05 -- -- -- ND 2.4 -- 3.7 -- ug/L 12/30/05 -- -- 2 ND 2.3 -- 3.6 ND ug/L 9/26/06 -- -- 2 -- -- -- -- ND ug/L 1/31/07 -- -- 1 ND 0.70 J -- ND ND ug/L 7/12/07 -- -- 1 ND ND -- ND ND ug/L 8/6/07 -- -- 1 -- -- ND -- ND ug/L 1 /17/08 -- -- 1 ND -- ND ND ND ug/L 07/30/08 -- -- 1 ND -- ND ND ND ug/L 01 /22/09 -- -- 1 ND -- 0.10 J 0.20 J ND ug/L 07/14/09 -- -- 1 ND -- 0.142 J 0.280 J ND ug/L 01 /07/10 -- -- 1 ND -- 0.115 J 1.59 ND ug/L 07/20/10 -- -- 1 ND -- ND 0.302 J ND ug/L 01/31/11 -- -- 1 ND -- 0.103 J 0.234 J ND ug/L 07/18/11 -- -- 1 ND -- ND 0.234 J ND ug/L 01/25/12 -- -- 1 ND -- 0.101 J 0.182 J ND ug/L 07/19/12 -- -- 1 ND -- ND 0.197 J ND ug/L 01 /30/13 -- -- 1 ND -- 0.103 J 0.162 J ND ug/L 07/15/13 -- -- 1 ND -- ND 0.226 J ND ug/L 01/27/14 -- -- 1 ND -- ND 0.144 J ND ug/L 07/14/14 -- -- 1 ND -- ND 0.209 J ND ug/L 01/20/15 0.1 -- 1 ND -- ND 0.168 J ND ug/L 07/23/15 0.1 -- 1 ND -- ND 0.149 J ND ug/L 01/12/16 0.1 -- 1 ND -- ND 0.143 J ND ug/L 08/01/16 0.1 -- 1 0.111 J -- 0.103 J 0.247 J 0.170 J ug/L 01/17/17 0.1 -- 1 ND -- ND ND ND ug/L 07/26/17 0.130 -- 1 ND -- ND ND ND ug/L 02/20/18 0.130 -- 1 ND -- ND 0.201 J ND ug/L 08/08/18 0.160 1.00 -- ND -- ND 0.186 J ND ug/L 01/15/19 0.160 1.00 -- ND -- ND 0.248 J ND ug/L 08/15/19 0.160 1.00 -- ND -- ND ND ND ug/L 01/13/20 0.160 1.00 -- ND -- ND ND ND ug/L 08/10/20 0.160 1.00 -- ND -- ND ND ND ug/L 01/26/21 0.160 1.00 - ND - ND ND ND 4 COLDER Page 2 of 13 April 2021 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 C&D Monitoring Wells Detected Monitoring Constituents/Analytes Units Sample Date MDL MRL SWS Reporting Limit Blanks Upgradient Downgradient MW-17 MW-18 MW-18R MW-19 Cadmium ug/L 11 /4/05 -- -- -- ND ND -- ND -- NC 2L = 2 ug/L ug/L 12/12/05 -- -- -- ND ND -- ND -- EPA MCL = 5 ug/L ug/L 12/13/05 -- -- -- ND ND -- ND -- ug/L 12/22/05 -- -- -- ND ND -- ND -- ug/L 12/30/05 -- -- 1 ND ND -- ND ND ug/L 9/26/06 -- -- 1 ND ND -- ND ND ug/L 1/31/07 -- -- 1 ND ND -- ND ND ug/L 7/12/07 -- -- 1 ND ND -- ND ND ug/L 8/6/07 -- -- 1 -- -- ND -- ND ug/L 1 /17/08 -- -- 1 ND -- ND ND ND ug/L 07/30/08 -- -- 1 0.40 B -- ND ND 0.7 J ug/L 01 /22/09 -- -- 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 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 0.36 -- 1 ND -- ND ND ND ug/L 07/23/15 0.36 -- 1 ND -- ND ND ND ug/L 01/12/16 0.36 -- 1 ND -- ND ND ND ug/L 08/01/16 0.36 -- 1 ND -- ND ND ND ug/L 01/17/17 0.36 -- 1 ND -- ND ND ND ug/L 07/26/17 0.36 -- 1 ND -- ND ND ND ug/L 02/20/18 0.36 -- 1 ND -- ND ND ND ug/L 08/08/18 0.36 1.00 -- ND -- ND ND ND ug/L 01/15/19 0.36 1.00 -- ND -- ND ND ND ug/L 08/15/19 0.36 1.00 -- ND -- ND ND ND ug/L 01/13/20 0.36 1.00 -- ND -- ND ND ND ug/L 08/10/20 0.36 1.00 -- ND -- ND ND ND ug/L 01 /26/21 0.36 1.00 - ND - ND ND ND Chromium u g/L 11 /4/05 -- -- -- ND ND -- 24 -- NC 2L = 10 ug/L ug/L 12/12/05 -- -- -- ND 71 -- 26 -- EPA MCL = 100 ug/L ug/L 12/13/05 -- -- -- ND ND -- ND -- ug/L 12/22/05 -- -- -- ND 32 -- 35 -- ug/L 12/30/05 -- -- 10 ND 29 -- 15 ND ug/L 9/26/06 -- -- 10 N D ND -- ND ND ug/L 1/31/07 -- -- 10 ND 3.2 J -- ND ND ug/L 7/12/07 -- -- 10 79.2 11.6 -- 3.0 J ND ug/L 8/6/07 -- -- 10 -- -- ND -- ND ug/L 1/17/08 -- -- 10 ND -- 2.2 J ND ND ug/L 07/30/08 -- -- 10 ND -- 4.6 B ND 14.5 u g/L 01 /22/09 -- -- 10 ND -- ND ND N D ug/L 07/14/09 -- -- 10 ND -- 2.32 J ND ND ug/L 01/07/10 -- -- 10 ND -- ND 10.5 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 -- ND ND ND ug/L 07/19/12 -- -- 10 ND -- ND ND ND ug/L 01/30/13 -- -- 10 ND -- ND ND 1.5 J 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 1.40 -- 10 ND -- ND ND ND ug/L 07/23/15 1.40 -- 10 ND -- ND ND ND ug/L 01 /12/16 1.40 -- 10 ND -- ND ND ND ug/L 08/01 /16 1.40 -- 10 N D -- ND ND ND ug/L 01 /17/17 1.40 -- 10 N D -- ND ND ND ug/L 07/26/17 1.40 -- 10 N D -- ND ND ND ug/L 02/20/18 1.40 -- 10 N D -- ND ND ND ug/L 08/08/18 1.40 10.0 -- ND -- ND ND 1.66 J ug/L 01 /15/19 1.40 10.0 -- N D -- ND ND ND ug/L 08/15/19 1.40 10.0 -- ND -- ND ND N D ug/L 01/13/20 1.40 10.0 -- ND -- ND 1.42 J ND ug/L 08/10/20 1.40 10.0 -- ND -- 2.57 J 1.53 J ND ug/L 01/26/21 1.40 10.0 - ND - 2.06 J ND ND )0 GOLDER Page 3 of 13 April 2021 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 C&D Monitoring Wells Detected Monitoring Constituents/Analytes Units Sample Date MDL MRL SWS Reporting Limit Blanks Upgradient Downgradient MW-17 MW-18 MW-18R MW-19 Cobalt ug/L 11 /4/05 -- -- -- ND ND -- ND -- IMAC = 1 ug/L ug/L 12/12/05 -- -- -- ND 14 -- ND No EPA MCL ug/L 12/13/05 -- -- -- ND 12 -- ND -- ug/L 12/22/05 -- -- -- ND ND -- 13 -- ug/L 12/30/05 -- -- 10 ND 10 -- 10 ND ug/L 9/26/06 -- -- 10 -- -- -- -- ND ug/L 1/31/07 -- -- 10 ND 8.6 J -- ND ND ug/L 7/12/07 -- -- 10 ND 3.0 J -- ND ND ug/L 8/6/07 -- -- 10 -- -- 2.7 J -- ND ug/L 1 /17/08 -- -- 10 ND -- ND ND ND ug/L 07/30/08 -- -- 10 ND -- 1.8 B ND 1.1 J ug/L 01 /22/09 -- -- 10 2.1 B -- 1.7 B ND 1.5 J ug/L 07/14/09 -- -- 10 ND -- 0.807 J ND ND ug/L 01/07/10 -- -- 10 ND -- 0.766 J 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 1.10 -- 10 ND -- 1.51 J ND ND ug/L 07/23/15 1.10 -- 10 ND -- 1.45 J ND ND ug/L 01/12/16 1.10 -- 10 ND -- 1.61 J ND ND ug/L 08/01/16 1.10 -- 10 ND -- 1.13 J ND ND ug/L 01/17/17 1.10 -- 10 ND -- 1.90 J ND ND ug/L 07/26/17 1.10 -- 10 ND -- 1.62 J ND ND ug/L 02/20/18 1.10 -- 10 1.16 B -- 2.34 B ND 1.22 J ug/L 08/08/18 1.40 10.0 -- ND -- 2.69 J 1.83 J ND ug/L 01/15/19 1.40 10.0 -- ND -- 4.18 J ND ND ug/L 08/15/19 1.40 10.0 -- ND -- 4.67 J 7.79 J ND ug/L 01/13/20 1.40 10.0 -- ND -- 2.48 J ND ND ug/L 08/10/20 1.40 10.0 -- ND -- 2.72 J 19.6 ND (Verification Event) ug/L 10/19/20 1.40 10.0 -- -- -- -- 14.0 (14.2)* ND ug/L 01/26/21 1.40 10.0 - ND - 3.36 J 25.9 ND Copper ug/L 11 /4/05 -- -- -- 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 9/26/06 -- -- 200 -- -- -- -- ND ug/L 1/31/07 -- -- 10 ND 4.70 J -- ND ND ug/L 7/12/07 -- -- 10 3.70 J ND -- ND ND ug/L 8/6/07 -- -- 10 -- -- ND -- 4 J ug/L 1 /17/08 -- -- 10 1.80 B -- 1.90 B 1.20 B 1.30 J ug/L 07/30/08 -- -- 10 ND -- ND ND ND ug/L 01 /22/09 -- -- 10 2.40 J -- ND ND ND ug/L 07/14/09 -- -- 10 1.12 B -- 1.28 B 4.03 B 1.04 J ug/L 01/07/10 -- -- 10 ND -- ND 2.34 J ND ug/L 07/20/10 -- -- 10 ND -- ND ND 3.50 J ug/L 01/31/11 -- -- 10 1.78 J -- 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 J 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 1.60 -- 10 ND -- 1.74 J ND ND ug/L 07/23/15 1.60 -- 10 ND -- ND ND 1.90 J ug/L 01/12/16 1.60 -- 10 ND -- ND ND 3.52 J ug/L 08/01 /16 1.60 -- 10 ND -- ND ND ND ug/L 01/17/17 1.60 -- 10 ND -- 2.32 B ND 4.80 J ug/L 07/26/17 1.60 -- 10 1.89 B -- 1.72 B ND 4.18 J ug/L 02/20/18 1.60 -- 10 ND -- ND ND ND ug/L 08/08/18 1.60 10.0 -- ND -- ND ND ND ug/L 01 /15/19 1.60 10.0 -- ND -- ND ND ND ug/L 08/15/19 1.60 10.0 -- 1.63 J -- ND ND ND ug/L 01 /13/20 1.60 10.0 -- ND -- ND ND ND ug/L 08/10/20 1.60 10.0 -- 2.45 B -- ND ND ND ug/L 01 /26/21 1.60 10.0 - 2.55 J - ND ND ND )0 GOLDER Page 4 of 13 April 2021 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 C&D Monitoring Wells Detected Monitoring Constituents/Analytes Units Sample Date MDL MRL SWS Reporting Limit Blanks Upgradient Downgradient MW-17 MW-18 MW-18R MW-19 Lead ug/L 11 /4/05 -- -- -- ND ND -- 18 -- NC 2L = 15 ug/L ug/L 12/12/05 -- -- -- ND 24 -- 16 -- EPA MCL = 15 ug/L ug/L 12/13/05 -- -- -- ND 10 -- ND -- ug/L 12/22/05 -- -- -- ND 11 -- 28 -- ug/L 12/30/05 -- -- 10 ND 10 -- 23 ND ug/L 9/26/06 -- -- 10 ND ND -- ND ND ug/L 1/31/07 -- -- 10 ND 4.0 J -- ND ND ug/L 7/12/07 -- -- 10 ND ND -- ND ND ug/L 8/6/07 -- -- 10 -- -- ND -- ND ug/L 1 /17/08 -- -- 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 ND -- 2.35 B ND 3.40 J ug/L 01/07/10 -- -- 10 1.47 B -- ND 12.8 1.58 J 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 -- ND ND ND ug/L 07/19/12 -- -- 10 ND -- ND ND ND ug/L 01/30/13 -- -- 10 ND -- ND ND 1.97 J 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 2.10 -- 10 ND -- ND ND ND ug/L 07/23/15 3.10 -- 10 ND -- ND ND ND ug/L 01/12/16 3.10 -- 10 ND -- ND ND ND ug/L 08/01/16 3.10 -- 10 ND -- ND ND ND ug/L 01/17/17 3.10 -- 10 ND -- ND ND ND ug/L 07/26/17 3.10 -- 10 ND -- ND ND ND ug/L 02/20/18 3.10 -- 10 ND -- ND ND ND ug/L 08/08/18 3.10 10.0 -- ND -- ND ND ND ug/L 01/15/19 3.10 10.0 -- ND -- ND ND ND ug/L 08/15/19 3.10 10.0 -- ND -- ND ND ND ug/L 01/13/20 3.10 10.0 -- ND -- ND ND ND ug/L 08/10/20 3.10 10.0 -- ND -- ND ND ND ug/L 01 /26/21 3.10 10.0 - ND - ND ND ND Nickel ug/L 11 /4/05 -- -- -- ND ND -- ND -- NC 2L = 100 ug/L ug/L 12/12/05 -- -- -- ND ND -- ND No EPA MCL ug/L 12/13/05 -- -- -- ND ND -- ND -- ug/L 12/22/05 -- -- -- ND ND -- ND -- ug/L 12/30/05 -- -- 50 ND ND -- -- ND ug/L 9/26/06 -- -- 50 -- -- -- -- ND ug/L 1/31/07 -- -- 50 ND 3.1 J -- ND ND ug/L 7/12/07 -- -- 50 31.7 J 5.3 J -- ND ND ug/L 8/6/07 -- -- 50 -- -- ND -- ND ug/L 1 /17/08 -- -- 50 ND -- ND ND ND ug/L 07/30/08 -- -- 50 ND -- 2.9 B ND 12.4 J ug/L 01 /22/09 -- -- 50 ND -- ND ND ND ug/L 07/14/09 -- -- 50 ND -- 1.30 J 1.06 J ND ug/L 01/07/10 -- -- 50 ND -- ND 4.93 J ND ug/L 07/20/10 -- -- 50 ND -- ND ND ND ug/L 01 /31 /11 -- -- 50 ND -- ND ND ND ug/L 07/18/11 -- -- 50 ND -- ND ND ND ug/L 01/25/12 -- -- 50 3.13 J -- ND ND ND ug/L 07/19/12 -- -- 50 ND -- ND ND ND ug/L 01 /30/13 -- -- 50 ND -- ND ND ND ug/L 07/15/13 -- -- 50 ND -- ND ND ND ug/L 01 /27/14 -- -- 50 ND -- ND ND ND ug/L 07/14/14 -- -- 50 6.13 J -- ND ND ND ug/L 01 /20/15 1.80 -- 50 ND -- ND ND ND ug/L 07/23/15 1.80 -- 50 ND -- ND ND ND ug/L 01 /12/16 1.80 -- 50 ND -- ND ND ND ug/L 08/01/16 2.20 -- 50 ND -- ND ND ND ug/L 01/17/17 2.20 -- 50 ND -- ND ND ND ug/L 07/26/17 2.20 -- 50 ND -- ND ND ND ug/L 02/20/18 2.20 -- 50 ND -- ND ND ND ug/L 08/08/18 2.20 10.0 -- ND -- ND ND ND ug/L 01/15/19 2.20 10.0 -- ND -- ND ND ND ug/L 08/15/19 2.20 10.0 -- ND -- ND ND ND ug/L 01/13/20 2.20 10.0 -- ND -- ND ND ND ug/L 08/10/20 2.20 10.0 -- ND -- ND ND ND ug/L 01 /26/21 2.20 10.0 - ND - ND ND ND )0 GOLDER Page 5 of 13 April 2021 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 C&D Monitoring Wells Detected Monitoring Constituents/Analytes Units Sample Date MDL MRL SWS Reporting Limit Blanks Upgradient Downgradient MW-17 MW-18 MW-18R MW-19 Selenium ug/L 12/30/05 -- -- 20 ND ND -- ND ND NC 2L = 20 ug/L ug/L 9/26/06 -- -- 20 ND ND -- ND ND EPA MCL = 50 ug/L ug/L 1/31/07 -- -- 10 2.6 B ND -- ND 2.0 J ug/L 7/12/07 -- -- 10 ND ND -- ND ND ug/L 8/6/07 -- -- 10 -- -- ND -- ND ug/L 1/17/08 -- -- 10 3.5 B -- ND 2.7 B 2.1 J 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 ND -- ND ND ND ug/L 01 /07/10 -- -- 10 ND -- ND ND 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 -- ND ND ND ug/L 07/19/12 -- -- 10 ND -- ND ND ND ug/L 01 /30/13 -- -- 10 ND -- ND ND 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 ND -- ND ND ND ug/L 07/14/14 -- -- 10 ND -- ND ND ND ug/L 01 /20/15 5 -- 10 ND -- ND ND ND ug/L 07/23/15 5 -- 10 ND -- ND ND ND ug/L 01 /12/16 5 -- 10 ND -- ND ND ND ug/L 08/01/16 6.2 -- 10 ND -- ND ND ND ug/L 01/17/17 6.2 -- 10 ND -- ND ND ND ug/L 07/26/17 6.2 -- 10 ND -- ND ND ND ug/L 02/20/18 6.2 -- 10 ND -- ND ND ND 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 ug/L 01 /26/21 6.2 10.0 - ND - ND ND ND Silver ug/L 12/1 /05 -- -- 10 ND ND -- ND ND NC 2L = 20 ug/L ug/L 9/26/06 -- -- 10 ND ND -- ND ND EPA MCL = 100 ug/L ug/L 1/31/07 -- -- 10 ND ND -- ND ND ug/L 7/12/07 -- -- 10 ND ND -- ND ND ug/L 8/6/07 -- -- 10 -- -- ND -- ND ug/L 1 /17/08 -- -- 10 ND -- ND ND ND ug/L 07/30/08 -- -- 10 ND -- ND ND ND ug/L 01 /22/09 -- -- 10 2.7 B -- ND ND 2.1 J ug/L 07/14/09 -- -- 10 ND -- ND ND ND ug/L 01 /07/10 -- -- 10 ND -- ND ND 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 1.91 J -- ND ND ND ug/L 07/19/12 -- -- 10 2.94 J -- 3.44 J ND ND ug/L 01/30/13 -- -- 10 ND -- 2.31 J ND 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 1.90 -- 10 ND -- ND ND 3.39 J ug/L 07/23/15 1.90 -- 10 ND -- ND ND ND ug/L 01 /12/16 1.90 -- 10 ND -- ND ND ND ug/L 08/01/16 1.90 -- 10 4.39 J -- ND ND ND ug/L 01 /17/17 1.90 -- 10 ND -- ND ND ND ug/L 07/26/17 1.90 -- 10 ND -- 1.90 J 2.12 J ND ug/L 02/20/18 1.90 -- 10 ND -- ND ND ND ug/L 08/08/18 1.90 10.0 -- ND -- ND 2.11 J ND ug/L 01 /15/19 1.90 10.0 -- ND -- ND ND ND ug/L 08/15/19 1.90 10.0 -- ND -- ND ND ND ug/L 01 /13/20 1.90 10.0 -- ND -- ND ND ND ug/L 08/10/20 1.90 10.0 -- 2.49 B -- 2.43 B ND ND ug/L 01 /26/21 1.90 10.0 - ND - ND ND ND )0 GOLDER Page 6 of 13 April 2021 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 C&D Monitoring Wells Detected Monitoring Constituents/Analytes Units Sample Date MDL MRL SWS Reporting Limit Blanks Upgradient Downgradient MW-17 MW-18 MW-18R MW-19 Thallium ug/L 11/4/05 -- -- -- ND ND -- ND -- IMAC = 0.2 ug/L ug/L 12/12/05 -- -- -- ND ND -- ND -- EPA MCL = 2 ug/L ug/L 12/13/05 -- -- -- ND ND -- ND -- ug/L 12/22/05 -- -- -- ND ND -- ND -- ug/L 12/30/05 -- -- 10 ND ND -- ND ND ug/L 9/26/06 -- -- 10 -- -- -- -- ND ug/L 1/31/07 -- -- 5.5 ND 0.085 J -- ND ND ug/L 7/12/07 -- -- 5.5 ND ND -- ND ND ug/L 8/6/07 -- -- 5.5 -- -- 0.080 J -- ND ug/L 1/17/08 -- -- 5.5 ND -- 0.084 J ND ND ug/L 07/30/08 -- -- 5.5 ND -- 0.141 J ND ND ug/L 01/22/09 -- -- 5.5 ND -- 0.078 B 0.068 B 0.096 J ug/L 07/14/09 -- -- 5.5 ND -- 0.0580 J 0.0490 J 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 ug/L 01 /25/12 -- -- 5.5 ND -- ND ND ND ug/L 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 J ND ND ug/L 01/27/14 -- -- 5.5 ND -- 0.151 J ND ND ug/L 07/14/14 -- -- 5.5 ND -- ND ND ND ug/L 01/20/15 0.110 -- 5.5 ND -- 0.178 J ND -- ug/L 07/23/15 0.110 -- 5.5 ND -- 0.120 J ND ND ug/L 01/12/16 0.110 -- 5.5 ND -- 0.309 J 0.118 J ND ug/L 08/01/16 0.110 -- 5.5 ND -- 0.285 J ND ND ug/L 01/17/17 0.110 -- 5.5 ND -- 0.439 J ND ND ug/L 07/26/17 0.110 -- 5.5 0.160 J -- 0.458 J 0.155 J ND ug/L 02/20/18 0.110 -- 5.5 ND -- 0.339 J ND ND ug/L 08/08/18 0.550 5.00 -- ND -- ND ND ND ug/L 01/15/19 0.550 5.00 -- ND -- ND ND ND ug/L 08/15/19 0.220 2.00 -- ND -- 0.242 J ND ND ug/L 01 /13/20 0.220 2.00 -- ND -- 0.699 J ND ND ug/L 08/10/20 0.220 2.00 -- ND -- 0.390 J 0.229 J ND ug/L 01 /26/21 0.220 2.00 - ND - 0.493 J ND ND Vanadium ug/L 11 /4/05 -- -- -- ND ND -- 52 -- IMAC = 0.3 ug/L ug/L 12/12/05 -- -- -- ND 160 -- 53 No EPA MCL ug/L 12/13/05 -- -- -- ND 42 -- ND -- ug/L 12/22/05 -- -- -- ND 78 -- 78 -- ug/L 12/30/05 -- -- 40 ND 69 -- 45 ND ug/L 9/26/06 -- -- 40 -- -- -- -- ND ug/L 1/31/07 -- -- 25 ND 16.4 J -- ND ND ug/L 7/12/07 -- -- 25 ND ND -- ND ND ug/L 8/6/07 -- -- 25 -- -- 1.4 J -- ND ug/L 1/17/08 -- -- 25 1.4 J -- 7.8 J 1.7 J ND ug/L 07/30/08 -- -- 25 ND -- 5.3 J ND ND ug/L 01 /22/09 -- -- 25 2.3 B -- 2.5 B ND 1.4 J ug/L 07/14/09 -- -- 25 ND -- 4.91 J 1.55 J ND ug/L 01/07/10 -- -- 25 ND -- 1.53 J 23.5 J ND ug/L 07/20/10 -- -- 25 ND -- 1.77 J 2.02 J ND ug/L 01/31/11 -- -- 25 ND -- ND ND ND ug/L 07/18/11 -- -- 25 ND -- ND ND ND ug/L 01 /25/12 -- -- 25 ND -- ND ND ND ug/L 07/19/12 -- -- 25 ND -- ND ND ND ug/L 01/30/13 -- -- 25 ND -- ND ND ND ug/L 07/15/13 -- -- 25 ND -- ND ND ND ug/L 01 /27/14 -- -- 25 ND -- ND ND ND ug/L 07/14/14 -- -- 25 ND -- ND ND ND ug/L 01 /20/15 1.40 -- 25 ND -- ND ND ND ug/L 07/23/15 1.40 -- 25 ND -- ND ND ND ug/L 01 /12/16 1.40 -- 25 ND -- ND ND ND ug/L 08/01 /16 1.40 -- 25 ND -- ND ND ND ug/L 01 /17/17 1.40 -- 25 ND -- ND ND ND ug/L 07/26/17 1.40 -- 25 ND -- ND ND ND ug/L 02/20/18 1.40 -- 25 ND -- ND ND ND ug/L 08/08/18 1.40 10.0 -- ND -- ND 1.74 J ND ug/L 01 /15/19 1.40 10.0 -- ND -- ND ND ND ug/L 08/15/19 1.40 10.0 -- ND -- ND ND ND ug/L 01/13/20 1.40 10.0 -- ND -- ND 3.35 J ND ug/L 08/10/20 1.40 10.0 -- ND -- ND ND ND ug/L 01 /26/21 1.40 10.0 - ND - ND ND ND )0 GOLDER Page 7 of 13 April 2021 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 C&D Monitoring Wells Detected Monitoring Constituents/Analytes Units Sample Date MDL MRL SWS Reporting Limit Blanks Upgradient Downgradient MW-17 MW-18 MW-18R MW-19 Zinc ug/L 11 /4/05 -- -- -- 52 ND -- 62 -- NC 2L = 1000 ug/L ug/L 12/12/05 -- -- -- ND 56 -- 68 -- EPA MCL = 5000 ug/L ug/L 12/13/05 -- -- -- ND ND -- ND -- ug/L 12/22/05 -- -- -- ND ND -- 94 -- ug/L 12/30/05 -- -- 50 ND 430 -- 51 ND ug/L 9/26/06 -- -- 50 -- -- -- -- ND ug/L 1 /31 /07 -- -- 10 ND 10.1 -- ND ND ug/L 7/12/07 -- -- 10 3.7 J ND -- ND ND ug/L 8/6/07 -- -- 10 -- -- 15 B -- 15 J ug/L 1 /17/08 -- -- 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 7.12 J -- ND 5.82 J ND ug/L 01/07/10 -- -- 10 2.46 J -- 27.3 43.0 ND ug/L 07/20/10 -- -- 10 ND -- ND 8.41 J 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 -- ND ND ND ug/L 07/19/12 -- -- 10 ND -- ND 4.63 J ND u g/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 3.96 J -- ND ND ND ug/L 07/14/14 -- -- 10 ND -- ND ND ND ug/L 01/20/15 3.80 -- 10 5.76 J -- ND ND ND ug/L 07/23/15 3.80 -- 10 ND -- ND ND ND ug/L 01/12/16 3.80 -- 10 ND -- ND ND ND ug/L 08/01/16 4.40 -- 10 ND -- ND ND ND ug/L 01/17/17 4.40 -- 10 ND -- ND ND ND ug/L 07/26/17 4.40 -- 10 ND -- ND ND ND ug/L 02/20/18 4.40 -- 10 ND -- ND ND ND ug/L 08/08/18 4.40 10.0 -- ND -- ND ND ND ug/L 01/15/19 4.40 10.0 -- ND -- ND ND ND ug/L 08/15/19 4.40 10.0 -- 5.60 J -- 5.87 J 5.92 J ND ug/L 01/13/20 4.40 10.0 -- 6.97 J -- 4.68 J ND ND ug/L 08/10/20 4.40 10.0 -- ND -- ND 4.50 J ND ug/L 01 /26/21 4.40 10.0 - 5.33 J - ND ND ND Iron ug/L 1/31/07 -- -- 300 20 J 2510 -- 180 ND NC 2L = 300 ug/L ug/L 7/12/07 -- -- 300 284 J 968 -- 31 J ND EPA MCL = 300 ug/L ug/L 8/6/07 -- -- 300 -- -- 585 -- ND ug/L 1/17/08 -- -- 300 ND -- 2310 286 J ND ug/L 07/30/08 -- -- 300 ND -- 1310 79 J ND ug/L 01 /22/09 -- -- 300 ND -- 623 68 J ND ug/L 07/14/09 -- -- 300 47.9 J -- 1450 224 J ND ug/L 01/07/10 -- -- 300 20.0 J -- 484 9220 ND ug/L 07/20/10 -- -- 300 58.4 B -- 469 431 30.8 J ug/L 01/31/11 -- -- 300 ND -- 57.0 J 35.9 J ND ug/L 07/18/11 -- -- 300 ND -- ND 102 J ND ug/L 01/25/12 -- -- 300 ND -- ND 71.2 J ND ug/L 07/19/12 -- -- 300 27.7 J -- ND 65.4 J ND ug/L 01 /30/13 -- -- 300 48.3 J -- ND 58.6 J ND ug/L 07/15/13 -- -- 300 ND -- ND 97.1 J ND ug/L 01 /27/14 -- -- 300 ND -- ND ND ND ug/L 07/14/14 -- -- 300 40.6 J -- 165 J 25.9 J ND ug/L 01/20/15 22.0 -- 300 ND -- 47.5 J ND ND ug/L 07/23/15 22.0 -- 300 ND -- 35.5 J ND ND ug/L 01/12/16 22.0 -- 300 59.8 J -- 222 J ND ND ug/L 08/01/16 22.0 -- 300 65.1 J -- 168 J 38.7 J ND ug/L 01/17/17 22.0 -- 300 ND -- 32.6 J ND ND ug/L 07/26/17 22.0 -- 300 47.6 J -- 36.6 J ND ND ug/L 02/20/18 22.0 -- 300 ND -- 34 J 40.4 J ND ug/L 08/08/18 22.0 50.0 -- 63.4 -- 62.8 167 ND ug/L 01/15/19 22.0 50.0 -- ND -- 1820 104 ND ug/L 02/21 /19 22.0 50.0 -- ND -- 2110 -- ND ug/L 08/15/19 22.0 50.0 -- ND -- 1480 5930 ND ug/L 01/13/20 22.0 50.0 -- ND -- 796 1370 ND ug/L 08/10/20 22.0 50.0 -- 81.8 -- 3550 20600 ND ug/L 01/26/21 22.0 50.0 - 39.4 J - 2170 32500 ND )0 GOLDER Page 8 of 13 April 2021 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 C&D Monitoring Wells Detected Monitoring Constituents/Analytes Units Sample Date MDL MRL SWS Reporting Limit Blanks Upgradient Downgradient MW-17 MW-18 MW-18R MW-19 Manganese ug/L 1/31/07 -- -- 50 2.2 J 660 -- 22.1 ND NC 2L = 50 ug/L ug/L 7/12/07 -- -- 50 15.1 J 236 -- 11.2 J ND EPA MCL = 50 ug/L ug/L 8/6/07 -- -- 50 -- -- 163 -- ND ug/L 1/17/08 -- -- 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 ug/L 01/22/09 -- -- 50 2.0 J -- 33.7 J 7.7 J ND ug/L 07/14/09 -- -- 50 2.90 J -- 37.4 J 19.4 J ND ug/L 01/07/10 -- -- 50 1.77 J -- 31.0 J 202 ND ug/L 07/20/10 -- -- 50 5.27 J -- 34.6 J 22.2 J ND ug/L 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 ug/L 01/25/12 -- -- 50 ND -- 65.6 6.77 J ND ug/L 07/19/12 -- -- 50 1.23 J -- 62.2 3.99 J ND ug/L 01/30/13 -- -- 50 1.95 J -- 149 4.13 J ND ug/L 07/15/13 -- -- 50 3.00 J -- 342 8.13 J ND ug/L 01/27/14 -- -- 50 3.48 J -- 225 5.88 J ND ug/L 07/14/14 -- -- 50 7.22 J -- 177 7.62 J ND ug/L 01/20/15 1.10 -- 50 4.07 J -- 362 5.00 J ND ug/L 07/23/15 1.10 -- 50 1.85 J -- 184 9.51 J ND ug/L 01/12/16 1.10 -- 50 3.21 J -- 690 4.39 J ND ug/L 08/01/16 1.10 -- 50 4.82 J -- 330 51.0 ND ug/L 01/17/17 1.10 -- 50 6.69 J -- 668 4.50 J ND ug/L 07/26/17 1.10 -- 50 4.34 J -- 513 40.6 J ND ug/L 02/20/18 1.10 -- 50 9.35 J -- 676 5.72 J ND ug/L 08/08/18 1.50 10.0 -- 5.48 J -- 572 24.7 ND ug/L 01/15/19 1.50 10.0 -- 8.93 J -- 1540 18.3 ND (Verification Event) ug/L 02/21/19 1.50 10.0 -- -- -- 1780 -- ND ug/L 08/15/19 1.50 10.0 -- 29.1 -- 827 911 ND ug/L 01 /13/20 1.50 10.0 -- 17.9 -- 1550 200 ND ug/L 08/10/20 1.50 10.0 -- 25.4 -- 1120 2860 ND ug/L 01 /26/21 1.50 10.0 - 17.9 - 1240 3380 ND Acetone ug/L 11 /04/05 -- -- -- ND ND -- ND -- NC2L = 6000 ug/L ug/L 12/12/05 -- -- -- ND ND -- ND No EPA MCL ug/L 12/13/05 -- -- -- ND ND -- ND -- ug/L 12/22/05 -- -- -- ND ND -- ND -- ug/L 12/30/05 -- -- 20 ND ND -- ND ND ug/L 09/26/06 -- -- 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 ug/L 01 /31 /07 -- -- 100 ND ND ND ND ND ug/L 07/12/07 -- -- 100 ND ND -- ND 0.93 J ug/L 07/12/07 -- -- 100 ND ND ND ND ND ug/L 08/06/07 -- -- 100 -- -- ND -- ND ug/L 08/06/07 -- -- 100 ND ND ND ND 0.93 J ug/L 01 /17/08 -- -- 100 ND -- ND ND ND ug/L 01 /17/08 -- -- 100 ND ND ND ND ND ug/L 07/30/08 -- -- 100 5.2 J -- ND ND ND ug/L 01 /22/09 -- -- 100 ND -- ND ND ND ug/L 07/14/09 -- -- 100 ND -- ND ND ND ug/L 01 /07/10 -- -- 100 ND -- ND ND ND ug/L 07/20/10 -- -- 100 ND -- ND ND ND ug/L 01 /31 /11 -- -- 100 ND -- ND ND ND ug/L 07/18/11 -- -- 100 ND -- ND ND ND ug/L 01 /25/12 -- -- 100 ND -- ND ND ND ug/L 07/19/12 -- -- 100 ND -- ND ND ND ug/L 01 /30/13 -- -- 100 ND -- ND ND ND ug/L 07/15/13 -- -- 100 ND -- ND ND ND ug/L 01 /27/14 -- -- 100 ND -- ND ND ND ug/L 07/14/14 -- -- 100 ND -- ND ND ND ug/L 01 /20/15 1.2 -- 100 ND -- ND ND -- ug/L 07/23/15 1.2 -- 100 ND -- ND ND ND ug/L 01 /12/16 1.2 -- 100 ND -- ND ND ND ug/L 08/01 /16 1.2 -- 100 ND -- ND ND ND ug/L 01 /17/17 10 -- 100 ND -- ND ND ND ug/L 07/26/17 10 -- 100 ND -- ND ND ND ug/L 02/20/18 10 -- 100 ND -- ND ND ND ug/L 08/08/18 10 20 -- ND -- ND ND ND ug/L 01 /15/19 10 20 -- ND -- ND ND ND ug/L 08/15/19 10 20 -- ND -- ND ND ND ug/L 01 /13/20 10 20 -- ND -- ND ND ND ug/L 08/10/20 10 20 -- ND -- ND ND ND ug/L 01 /26/21 10 20 - ND - ND ND ND )0 GOLDER Page 9 of 13 April 2021 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 C&D Monitoring Wells Detected Monitoring Constituents/Analytes Units Sample Date MDL MRL SWS Reporting Limit Blanks Upgradient Downgradient MW-17 MW-18 MW-18R MW-19 Benzene ug/L 01 /31 /07 -- -- 3 ND ND -- ND ND NC 2L = 1 ug/L ug/L 07/12/07 -- -- 1 ND ND -- ND ND EPA MCL = 5 ug/L ug/L 08/06/07 -- -- 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 08/01/16 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 08/08/18 0.15 1.0 -- ND -- ND ND ND ug/L 01/15/19 0.15 1.0 -- ND -- ND ND ND ug/L 08/15/19 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 08/10/20 0.15 1.0 -- ND -- 1.1 5.8 ND (Verification Event) ug/L 10/19/20 0.15 1.0 -- -- -- 1.4 3.2 ND ug/L 01/26/21 0.15 1.0 - ND - 0.79 J 7.4 ND cis-1,2-Dichloroethene 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 ug/L ug/L 07/12/07 -- -- 5 ND ND -- ND ND ug/L 08/06/07 -- -- 5 -- -- ND -- ND ug/L 01 /17/08 -- -- 5 ND -- ND ND ND ug/L 07/30/08 -- -- 5 ND -- ND ND ND u g/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 ND 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 J ND ND ug/L 07/14/14 -- -- 5 ND -- 1.7 J ND ND ug/L 01/20/15 0.15 -- 5 ND -- ND ND -- ug/L 07/23/15 0.15 -- 5 ND -- 1.2 J ND ND ug/L 01/12/16 0.15 -- 5 ND -- ND ND ND ug/L 08/01/16 0.15 -- 5 ND -- 0.89 J 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 08/08/18 0.15 1.0 -- ND -- ND ND ND ug/L 01/15/19 0.15 1.0 -- ND -- ND ND ND ug/L 08/15/19 0.15 1.0 -- ND -- ND ND ND ug/L 01/13/20 0.15 1.0 -- ND -- ND ND ND ug/L 08/10/20 0.15 1.0 -- ND -- ND ND ND ug/L 01 /26/21 0.15 1.0 - ND - ND ND ND )0 GOLDER Page 10 of 13 April 2021 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 C&D Monitoring Wells Detected Monitoring Constituents/Analytes Units Sample Date MDL MRL SWS Reporting Limit Blanks Upgradient Downgradient M W-17 M W-18 M W-18 R M W-19 1,4-Dioxane ug/L 08/08/18 25 60 -- ND -- ND ND ND NC 2L = 3 ug/L, No EPA MCL ug/L 01/15/19 1.2 2.0 -- ND -- 4.6 ND ND (Verification Event) ug/L 02/21/19 1.2 2.0 -- ND -- 5.0 ND ND ug/L 08/15/19 1.2 2.0 -- ND -- 26 25 ND ug/L 01 /13/20 1.2 2.0 -- ND -- 6.3 7.2 ND ug/L 08/10/20 0.80 2.0 -- ND -- 15 29 ND ug/L 01 /26/21 0.80 2.0 - ND - 14 38 ND Tetrahydrofuran ug/L 01 /31 /11 -- -- -- ND -- ND ND ND NC 2L = 2000 ug/L ug/L 07/18/11 -- -- -- ND -- ND ND ND No EPA MCL ug/L 07/18/11 -- -- -- ND -- ND ND ND ug/L 01 /25/12 -- -- -- ND -- ND ND ND ug/L 07/19/12 -- -- -- ND -- ND ND ND ug/L 01 /30/13 -- -- -- ND -- ND ND ND ug/L 07/15/13 -- -- -- ND -- 2.4 ND ND ug/L 01/27/14 -- -- -- ND -- 1.3 ND ND ug/L 07/14/14 -- -- -- ND -- ND ND ND ug/L 01/20/15 0.8 -- -- ND -- ND ND -- ug/L 07/23/15 0.8 -- -- ND -- ND ND ND ug/L 01/12/16 0.8 -- -- ND -- ND ND ND ug/L 08/01/16 0.8 -- -- ND -- ND ND ND ug/L 01/17/17 0.8 -- -- ND -- ND 2.5 ND ug/L 07/26/17 0.8 -- -- ND -- ND ND ND ug/L 02/20/18 0.53 -- -- ND -- ND ND ND ug/L 08/08/18 0.53 1.0 -- ND -- ND 3.2 ND ug/L 01/15/19 0.53 1.0 -- ND -- ND ND ND ug/L 08/15/19 0.53 1.0 -- ND -- ND ND ND ug/L 01/13/20 0.53 1.0 -- ND -- ND ND ND ug/L 08/10/20 0.53 1.0 -- ND -- 4.5 ND ND ug/L 01 /26/21 0.53 1.0 - ND - ND ND ND Chloride mg/L 01/31/07 -- -- -- 11.0 6.0 -- 9.0 ND NC 2L = 250 mg/L mg/L 07/12/07 -- -- -- 4.8 2.8 -- 2.4 ND EPA MCL = 250 ug/L mg/L 08/06/07 -- -- -- -- -- 2.9 -- ND mg/L 01 /17/08 -- -- -- 12 -- 5.2 B 7.5 B 2.1 mg/L 07/30/08 -- -- -- 9.6 -- 3.8 B 5.6 0.95 mg/L 01 /22/09 -- -- -- 7.5 -- 2.6 J 3.2 J ND mg/L 07/14/09 -- -- -- 9.4 B -- 5.8 B 6.6 B 2.2 mg/L 01 /07/10 -- -- -- 9.1 -- 6.0 6.0 ND mg/L 07/20/10 -- -- -- 9.0 -- 6.8 6.6 ND mg/L 01 /31 /11 -- -- -- 8.7 B -- 9.4 5.9 B 1.8 mg/L 07/18/11 -- -- -- 7.8 -- 8.9 5.6 B 1.5 mg/L 01 /25/12 -- -- -- 7.5 -- 17 5.1 B 1.4 mg/L 07/19/12 -- -- -- 5.6 -- 7.1 4.6 ND mg/L 01 /30/13 -- -- -- 7.2 B -- 22 4.6 B 1.5 mg/L 07/15/13 -- -- -- 6.6 -- 35 4.5 J ND mg/L 01 /27/14 -- -- -- 6.3 -- 22 3.9 J ND mg/L 07/14/14 -- -- -- 5.8 -- 8.5 5.8 ND mg/L 01 /20/15 2.2 -- -- 6.5 -- 21 5.4 -- mg/L 07/23/15 2.2 -- -- 6.5 -- 12 6.1 -- mg/I 01 /12/16 2.2 -- -- 5.6 -- 35 2.3 J -- mg/L 08/01 /16 0.29 -- -- 4.6 J -- 16 5.5 ND mg/L 01/17/17 2.2 -- -- 5.3 -- 30 4.7 J ND mg/L 07/26/17 2.2 -- -- 5.3 -- 23 5.0 ND mg/L 02/20/18 2.2 -- -- 5 -- 32 2.8 J ND mg/L 08/08/18 2.2 5 -- 3.6 J -- 25 2.9 J ND mg/L 01/15/19 2.2 5 -- 3.3 J -- 33 ND ND (Verification Event) mg/L 02/21/19 2.2 5 -- -- -- 33 -- ND mg/L 08/15/19 2.2 5 -- 4.0 J -- 92 11 ND mg/L 01 /13/20 2.2 5 -- 5.4 -- 39 5.3 ND mg/L 08/10/20 2.2 5 -- 3.6 J -- 71 43 ND mg/L 01 /26/21 2.2 5 - 3.9 J - 52 50 ND 4 COLDER Page 11 of 13 April 2021 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 C&D Monitoring Wells Detected Monitoring Constituents/Analytes Units Sample Date MDL MRL SWS Reporting Limit Blanks Upgradient Downgradient M W-17 M W-18 M W-18 R M W-19 Total Dissolved Solids mg/L 01/31/07 -- -- -- 120 108 -- 84 ND NC 2L = 500 mg/L mg/L 07/12/07 -- -- -- 80 62 -- 72 ND No EPA MCL mg/L 08/06/07 -- -- -- -- -- 90 -- ND mg/L 01 /17/08 -- -- -- 70 -- 94 88 ND mg/L 07/30/08 -- -- -- 110 -- 48 96 ND mg/L 01 /22/09 -- -- -- 66 -- 520 52 ND mg/L 07/14/09 -- -- -- 96 -- 100 100 ND mg/L 01 /07/10 -- -- -- 80 -- 60 74 ND mg/L 07/20/10 -- -- -- 74 -- 72 68 ND mg/L 01 /31 / 11 -- -- -- 94 -- 100 44 ND mg/L 07/18/11 -- -- -- 54 -- 80 70 ND mg/L 01 /25/12 -- -- -- 56 -- 82 56 ND mg/L 07/19/12 -- -- -- 78 -- 70 66 ND mg/L 01 /30/13 -- -- -- 32 -- 140 36 ND mg/L 07/15/13 -- -- -- 56 -- 250 48 ND mg/L 01 /27/14 -- -- -- 52 -- 130 40 ND mg/L 07/14/14 -- -- -- 34 -- 68 48 ND mg/L 01 /20/15 10 -- -- 46 -- 200 58 -- mg/L 07/23/15 50 -- -- 52 -- 88 68 -- mg/L 01/12/16 50 -- -- 72 -- 300 ND -- mg/L 08/01 /16 50 -- -- 56 -- 170 80 ND mg/L 01 /17/17 50 -- -- ND -- 320 64 ND mg/L 07/26/17 50 -- -- ND -- 210 ND ND mg/L 02/20/18 50 -- -- 66 -- 380 72 ND mg/L 08/08/18 50 50 -- ND -- 240 ND ND mg/L 01/15/19 50 50 -- 60 -- 520 110 ND (Verification Event) mg/L 02/21/19 50 50 -- -- -- 690 -- ND mg/L 08/15/19 50 50 -- ND -- 270 110 ND mg/L 01 /13/20 50 50 -- 82 -- 660 90 ND mg/L 08/10/20 50 50 -- ND -- 410 160 ND mg/L 01 /26/21 50 50 - 70 - 550 240 ND S u Ifate mg/L 01 /31 /07 -- -- -- N D 1.3 J -- 1.5 J N D NC 2L = 250 mg/L mg/L 07/12/07 -- -- -- 0.91 1.6 -- 1.2 ND No EPA MCL mg/L 08/06/07 -- -- -- -- -- 3.7 B -- 3.2 J mg/L 01 /17/08 -- -- 250 1.0 J -- 0.99 J 1.1 J ND mg/L 07/30/08 -- -- 250 1.6 J -- 2.4 J 1.5 J ND mg/L 01 /22/09 -- -- 250 ND -- 2.7 J 2.2 J ND mg/L 07/14/09 -- -- 250 ND -- 2.9 J 3.2 J ND mg/L 01 /07/10 -- -- 250 ND -- 2.6 J 2.5 J ND mg/L 07/20/10 -- -- 250 ND -- 3.0 J 2.8 J ND mg/L 01 /31 /11 -- -- 250 1.8 J -- 3.4 J 3.1 J ND mg/L 07/18/11 -- -- 250 1.7 J -- 3.6 J 2.5 J ND mg/L 01 /25/12 -- -- 250 1.4 J -- 7.4 J 2.7 J ND mg/L 07/19/12 -- -- 250 2 J -- 9.2 J 2.4 J ND mg/L 01 /30/13 -- -- 250 1.7 J -- 12 J 2.8 J ND mg/L 07/15/13 -- -- 250 1.6 B -- 70 J 4.1 B 1.5 J mg/L 01 /27/14 -- -- 250 ND -- 33 J 4 J ND mg/L 07/14/14 -- -- 250 ND -- 21 J ND ND mg/L 01 /20/15 2.9 -- 250 ND -- 63 J ND -- mg/L 07/23/15 2.9 -- 250 ND -- 16 J ND -- mg/L 01/12/16 2.9 -- 250 ND -- -- 5 J -- mg/L 01/12/16 2.9 -- 250 -- -- 110 J -- -- mg/L 08/01 /16 0.07 -- 250 0.12 J -- 48 J 1 J ND mg/L 01/17/17 2.9 -- 250 ND -- 110 J ND ND mg/L 07/26/17 2.9 -- 250 ND -- 69 J ND ND mg/L 02/20/18 2.9 -- 250 ND -- -- 3 J ND mg/L 02/20/18 5.8 -- 250 -- -- 110 J -- ND mg/L 08/08/18 2.9 5 -- ND -- 87 3 J ND mg/L 01 /15/19 2.9 5 -- ND -- 170 6.8 ND (Verification Event) mg/L 02/21 /19 2.9 5 -- -- -- 240 -- ND mg/L 08/15/19 2.9 5 -- ND -- 15 6.5 ND mg/L 01 /13/20 2.9 5 -- ND -- 210 6.3 ND mg/L 08/10/20 2.9 5 -- ND -- 100 7.3 ND mg/L 01 /26/21 2.9 5 - ND - 160 7.4 ND 4 COLDER Page 12 of 13 April 2021 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 C&D Monitoring Wells Detected Monitoring Constituents/Analytes Units Sample Date MDL MRL SWS Reporting Limit Blanks Upgradient Downgradient M W-17 M W-18 M W-18 R M W-19 Total Alkalinity as CaCO3 mg/L 01/31/07 -- -- -- 32 38 -- 22 ND No Standard mg/L 07/12/07 -- -- -- 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 01 /12/16 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 mg/L 01 /26/21 14 15 - 15 - 170 100 ND Notes: ug/L = micrograms per liter mg/L = milligrams per liter S.U. = Standard Units NTU = Nephelometric Turbidity Units mV = millivolts ND = Not detected at the stated reporting limit pS/cm = microsiemens per centimeter -- = no data available or not established B = blank -qualified result J = MRL. Blanks = field, trip and method blanks Shaded = Concentrations above the current NC 2L or Solid Waste Section Groundwater Protection Standards have been shaded 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) MW-18 was replaced by MW-118R after the July 2007 sampling event. 3) The following dilutions were noted for the January 2021 event: antimony and thallium (2x) all wells; sulfate and chloride at MW-118R (4x). 4 COLDER Page 13 of 13 April 2021 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 S. U. 01 /26/21 5.51 -- 5.46 5.32 GOLDER Page 1of6 April 2021 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 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 PS/cm 01/26/21 101 -- 858 433 GOLDER Page 2of6 April 2021 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 °C 01 /26/21 13.8 -- 14.8 13.0 GOLDER Page 3of6 April 2021 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 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 NTU 01/26/20 6.10 -- 7.98 8.79 GOLDER Page 4of6 April 2021 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 mV 01 /26/21 98.0 -- 96.7 66.5 GOLDER Page 5of6 April 2021 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 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 mg/L 01 /26/21 1.24 -- 0.51 0.37 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 GOLDER Page 6of6 DRAWING CURRRENT LANDFILL ENTRANCE EXISTING FORMER LANDFILL SCALE HOUSE SEDIMENT BASIN ENTRANCE EXISTING SEDIMENT I BASIN I I FmiwA- MMW16A 1 703.89 I I I I� 00� , I I 1 I I I I MW-20Q 684.85 600�1 I I 70 I � 4 I I I 1 1 I 1 �I r -0- I I MW-25 O 1 673.62 1 1 670 i� .01 G� �GGeO EXISTING SEDIMENT BASIN W /`. EXISTING SEDIMENT BASIN 250 0 250 500 SCALE FEET NOTES 1. TOPOGRAPHIC CONTOUR INTERVAL = 2 FEET. 2. GROUNDWATER SURFACE CONTOUR INTERVAL = 10 FEET. 3. GROUNDWATER ELEVATIONS MEASURED ON JANUARY 26, 2021. 4. GROUNDWATER CONTOURS ARE BASED ON LINEAR INTERPOLATION BETWEEN AND EXTRAPOLATION FROM KNOWN DATA, TOPOGRAPHIC CONTOURS, AND KNOWN FIELD CONDITIONS. THEREFORE, GROUNDWATER CONTOURS MAY NOT REFLECT ACTUAL GROUNDWATER CONDITIONS. 5. GROUNDWATER CONTOUR LINES SHOW THE WATER TABLE SHAPE AND ELEVATION. THESE CONTOURS ARE INFERRED LINES FOLLOWING THE GROUNDWATER SURFACE AT A CONSTANT ELEVATION ABOVE SEA LEVEL. THE GROUNDWATER FLOW DIRECTION IS GENERALLY PERPENDICULAR TO THE GROUNDWATER SURFACE CONTOURS, SIMILAR TO THE RELATIONSHIP BETWEEN SURFACE WATER FLOW AND TOPOGRAPHIC CONTOURS. 6. SURFACE WATER MONITORING POINT SW-1 IS APPROXIMATELY 550 FEET OFF THE MAPPING LIMITS SHOWN AND IS COLLECTED FROM SECOND CREEK. 7. MONITORING WELLS MW-27A, MW-28 AND MW-6 ARE UTILIZED FOR WATER LEVEL MONITORING ONLY. 8. THE LOCATION OF THE FRENCH DRAIN MONITORING POINT IS APPROXIMATE. 9. MW-28R WAS INSTALLED JULY 11, 2017 TO REPLACE MW-28. MW-28 WILL CONTINUE TO BE UTILIZED FOR WATER LEVEL MONITORING. 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 I '' LEGEND IoUaD-w egewt— I PROJECT I — — FACILITY BOUNDARY ROWAN COUNTY ACTIVE AND CLOSED LANDFILLS CE — — — — — APPROXIMATE LIMITS OF WASTE PERMIT No. 80-03 � I EXISTING TOPOGRAPHIC CONTOURS (2' INTERVALS) ROWAN COUNTY, NORTH CAROLINA TITLE _ I 700— — — — GROUNDWATER SURFACE CONTOURS GROUNDWATER CONTOUR MAP �0� �, o APPROXIMATE GROUNDWATER FLOW SEGMENT USED TO JANUARY 26, 2021 �l CALCULATE GRADIENT 1 Q MW-7 EXISTING GROUNDWATER MONITORING WELL WITH CONSULTANT YYYY-MM-DD 2021-02-23 QI 1 648.27 GROUNDWATER ELEVATION DESIGNED NTT �I 1 0 SURFACE WATER MONITORING POINT GOLDER PREPARED BPG TO SW-1 COMPLIANCE METHANE MONITORING POINT REVIEWED RPK (SEE NOTE 6) LDER ASSOCIATES N t Go ssoC s C, INC. ASSESSMENT METHANE MONITORING POINT APPROVED RPK JJ/ /11 I Q FRENCH DRAIN MONITORING POINT PROJECT NO. REV. DRAWING 20-140083 0 1 IL APPENDIX A GROUNDWATER AND SURFACE WATER SAMPLING LOGS DATE: 112-6 hozlk GROUNDWATER SAMPLING LOG GOLDER Project Name: Rowan County LF Project JPhase No.: 20140083 Well ID: _- fr� Sampler(s): D. Cox/N. Tejeda Well Diameter: 2 inches Initial Depth to Water: 7,2, cD' feet Depth to Bottom: 4 feet Water Column Thickness: I feet Pumping Rate: mLlmin System Volume: I � mL Well Location: Equipment: YSI 5561YSI Pro Plus, Hach 2100Q, Water Level Meter, dedicated MP-15 +I- 0.1 +I- 5% c 10 +r- 10% or 0.2 +I- t 0 ®®Cond. Turb. , . . .-± Comments (weather conditions, color, type of sample, purge -water management, etc.): Purge: q(yGi Weather: Clue �, . _ In�wti.,NJ5 Signature: Date: QAIQC Sign Off: c.( f Date: k:0 COLDER DATE: - GROUNDWATER SAMPLING LOG Project Name: Rowan County LF Project/Phase No.: 20140053 Well ID: HW - ((, Sampler(s): D. Cox1N_ Tejeda Well Diameter: 2 inches Initial Depth to Water: Co feet Depth to Bottom: ',.(o feet Water Column Thickness: ZS -5b feet Pumping Rate: iZU _.t,1 oc mLlmin System Volume: I_ mL Well Location: Equipment. YSI 5561YS1 Pro Plus, Hach 2100Q, Water Level Meter, dedicated MIS-15 +1- 0.1 +r. 5% <1 Q +1- 10% or 02 +1- 10 Comments (weather conditions, color, type of sample, purge -water management, etc.): Purge: Weather: tom!v, "L -a-o Signature: ,! Date: 1 ze) -LM._. QA/QC SigA-Off: d-w' 1"" Date: �. -143-door. l DATE: 1 i (�,� -t�l'j GROUNDWATER SAMPLING LOG GOLDER Project Name: Rowan County LF Project/Phase No,: 20140083 Well ID: MW - I R� Sampler(s): D. Cox/N. Tejeda Well Diameter: 2 inches Initial Depth to Water: 13 . c j feet Depth to Bottom: V4. I feet Water Column Thickness: j 3 • feet Pumping Rate: 1 L16 mLlmin System Volume: mL Well Location: Equipment: Y51 5561Y51 Pro Plus, Hach 2100Q, Water Level Meter, dedicated pump MP-15 +1- 0.1 +1- 5% a10 +1- 10% or 0,2 +1- 10 ®®Cond. Turb. 's •�* Comments (weather conditions, color, type of sample, purge -water management, etc,): Purge: 111j Weather: c' (wd� _ rvz.sF 1,nin#S DATE: r GROUNDWATER SAMPLING LOG GOLDER Project Name: Rowan Count LF Project /Phase No.: 20140083 Well ID: Sampler(s): D, Cox/N. Tejeda Well Diameter: 2 inches Initial Depth to Water: I q WT feet Depth to Bottom: Z feet Water Column Thickness: feet Pumping Rate: 14o mLlmin System Volume: L) mL Well Location: Equipment: YSI 5561YSI Pro Plus, Hach 21000, Water Level Meter, dedicated pump MP-15 - - +1- 0.1 +l- 5% <10 +1- 10% or 0.2 +!- 10 Cond.) Turb. m�_ M ® Comments (weather conditions, color, type of sample, purge -water management, etc.): Purge: (fib k> GQLDEP DATE: GROUNDWATER SAMPLING LOG Project Name: Rowan County LF Project /Phase No.: 20140083 Well ID: M ,,,.r —t f Sampler(s): D. Cox/N. Tejeda Well Diameter: 2 inches Initial Depth to Water: , 7 y feet Depth to Bottom: -?,3. ? Z_ feet Water Column Thickness: � , I feet Pumping Rate: z,o mLlmin System Volume: mL Well location: Equipment: YSI 556/Y$I Pro Plus, Hach 2100Q, Water Level Meter, dedicated pump MP-15 ^ +1- 0.1 +1- 5% 10% or 0.2 +/- 10 Cond. Turb. Comments (weather conditions, color, type of sample, purge -water management, etc.): Purges f OL Weather: _(_��j� 11 t — -- Signature:_ Date: QA1QC Sign Off-, Date: DATE: GROUNDWATER SAMPLING LOG COLDER Project Name: Rowan County LF Project !Phase No.: 20140083 Well ID: �.{,� �I `_ (A.5 f ^50) Sampler(s): D. Cox/N. Tejeda Well Diameter: 2 inched Initial Depth to Water: 6.2b feet Depth to Bottom: '.2-.7? feet Water Column Thickness, /C , S-3 feet Pumping Rate: /7O mLlmin System Volume: 96.0 mL Well Location: Equipment: YSI 556/Y51 Pro Plus, Hach 2100Q, Water Level Meter, dedicated pump MP-16 -- +1- 0.1 +1- F1% <1 n +r- 10% or o 9 +1- 10 (Cond. Turb, MOM. # -- Comments (weather conditions, color, type of sample, purge -water management, etc.): Weather: CUWN�4 %` Signature: Date: I 1-Z&/-zI QA1QC Sign Off: , ,,. • Date: 3 a i DATE:QW0 /SAMPLING GROUNDWATER LOG GOLDEP Project Name: Rowan County LF Project /Phase No.: 20140083 Well iD. Ibw- !3 Sampler(s):- D. CoxIN, Tejeda Well Diameter: 2 inches Initial Depth to Water: /;. Z G feet Depth to Bottom: S q, Z o feet Water Column Thickness: J/ D p feet Pumping Rate: 110 mL/min System Volume: q 2y mL Well Location: Equipment: YSI 5581YS1 Pro Pius, Hach 21 OOQ, Water Level Meter, dedicated pump - -- MP-15 +1- 0.1 +1- 5% <!10 +1- 10% or 0.2 +1- 10 ®®,• . �. Comments (weather conditions, color, type of sample, purge -water management, etcJ: Purge: of l Weather: Cjj„ ,;'Ny "�'ti Signature: _ Date: QAIQC Sign Off: rl.ch �-4 Date: ) -z c tz DATE: 1 f�l x0711 GROUNDWATER SAMPLING LOG GOLDER Project Name: Rowan County L.F Project /Phase No.: 20140083 Well ID: ').Q Sampler(s): D. Cox/N. Tejeda_ Well Diameter: 2 inches Initial Depth to Water: 3? . j feet Depth to Bottom:.Y_k % feet Water Column Thickness:. feet Pumping Rate: joo mL/min System Volume: 1OL,0 mL Well Location; Equipment: YSI 5561YSI Pro Plus, Hach 2100Q, Water Level Meter, dedicated pump MP-15 +/- 0.1 +1- 5% t1 n +1- 1M nr n 2 +r_ 11) ��- -- -�- ELM /1fi - ' Comments (weather conditions, color, type of sample, purge -water management, etc,): Purgee:_(3 y3 Weather: C� �r. tuk.) 4vs Signature: Date: -Z La 07;( QAIQC ign Off: Date: 3 -'� 3-d p ). { M kw** GOLDER DATE: / ?_ GROUNDWATER SAMPLING LOG Project Name: Rowan County LF Project/Phase No.: 20140083 Well ID: 41 W f23 Sampler(s): D. Cox/N. Tejeda Well Diameter: 2 inches Initial Depth to Water: h y.Y feet Depth to Bottum: /, feet Water Column Thickness: g, � 1 feet Pumping Rate: % mL/min System Volume; zo �mL Well Location: Equipment: YSI 5561YSI Pro Plus, Hach 2100Q, Water Level Meter, dedicated pum MP-15 +/- 0.1 +1- 5% <10 +/- 10% or 0.2 +/- 10 ®® Cond.r +• r . Comments (weather conditions, color, type of sample, purge -water management, etc.): Purge- '_. 0 Weather: / f cu.IJY4 Signature: Date: / — ?-& ' Zf QAIQC Sign Va. Date: 3- d �_ dad_ I kw�p GOLDER DATE: ) - L4 �_ GROUNDWATER SAMPLING LOG Project Name: Rowan County LF Project /Phase No.; 20140083 Well ID: GJ - Sampler(s): D. Cox/N. Tejede Well Diameter: 2 inches Initial Depth to Water: 3), ► $ feet Depth to Bottom: feet Water Column Thickness: i Z 7 feet Pumping Rate: IQ(-,) mLlmin System Volume: _ L335 mL Well Location: Equipment: YSI 556/YSI Pro plus, Hach 2100Q, Water Level Meter, dedicated pump M P-15 +/- 4.1 +1- 5a/ <1 n +!_ 900/ nr n 7 +1_ I rL Time pH (S.U.) Cond. (US/cm) Turb. (NTU) Dis 02 (mg1L) Temp. (oC) ORP (millivolts) OTW (feet) 1s I L/ Z39 sc'-7 J27,7 1,310 Z .2 1-1, L! Z 9 c/ z s_ 2.'9`7 2 ;} 7 3,57 . r? tv . S'd Li '5' 211 Q T 4. /S- M70 13, q C• 'Zp /Lao � � z r, 01 � � I . 9 4 rrzn, 7 69; B rv,,gs,s '/s0 U , Cr 60 , t( z 0 G, g / s ace _4 y. Zs- 515- C .l 2 / 2" 97 z ys. '7 t:omments (weatner conditions, color, type of sample, purge -water management, etc.): Purge: 131/ Weather: (' (,LJ) ;)v S"vi `7`4�� L � r a 4J Signature: Date: QAJQC Sign Off: Date: -J a-aoa.l 0& ANpLYS-s of' k)o GOLDEN DATE: GROUNDWATER SAMPLING LOG Project Name: Rowan County LF Project Mhase No.: 20140083 Well ID: u- y a. Samplers): D. Cox/N. Tejeda Well Diameter: 2 inches Initial Depth to Water: � c-feet Depth to Bottom: CI L, 2-fl feet Water Column Thickness: 1 �- 3$ feet Pumping Rate: -j 3 mL/min System Volume: Jp k mL Well Location: Equipment., YSI 5561YSI Pro Plus, Hach 21000, Water Level Meter, dedicated pump MP-1 5 a 10 +/- 10% or 0.2 +1- 10 Cond.,• Comments (weather conditions, color, type of sample, purge -water management, etc.): Purge: //-10 Weather: N, o,, Ni 11 o - Signature: Date: QAlQC Sign Off:{, pa-- Date:- k:00 GOLDER DATE: GROUNDWATER SAMPLING LOG Project Name: Rowan County LF Project/Phase No.: 20140083 Well ID: KW _ )� Sampler(s): D. Cox/N. Tejeda Well Diameter: 2 inches Initial Depth to Water: 33 feet Depth to Bottom: feet .%4 Water Column Thickness: feet Pumping Rate: 16Q mLlmin System Volume: _ � mL Well Location: Equipment: YSI 556/YSI Pro Plus, Hach 21000, Water Level Meter, dedicated pump M P-15 +/- 0.1 +/- 5% <10 +1- 10% or 0.2 +1- 10 Kam MOM 01r 2�� �- Comments (weather conditions, color, type of sample, purge -water management, etc.): Puroe: 14a i' Weather: C'� 4-. tkv tiara s ) Signature: Date: QA1QC Si Jn Off: � L .&, 'P ` Date: 3 -d � -,),)a f %WWO GOLDER Project Name: Rowan County LF Well ID; [tt,.,j " 2--c- Well Diameter: 2 inches Depth to Bottom: (1 l feet Pumping Rate: au mLlmin Well Location: DATE:i A Yk� 2 GROUNDWATER SAMPLING, LOG Project Whase No.: 20140083 Sampier(s); D. Cox/N. Te'eda Initial Depth to Water: = `[ feet Water Column Thickness: -4,p7, feet System Volume: 11 26 mL Equipment: YSI 556iYSl Pro Plus, Hach 21000, Water Level Meter, dedicated pump MP-15 +1- 0.1 +1- 5% <10 +1- 10% or 0.2 +I- 10 -=Ihas Comments (weather can i ns, color, type of sample, purge -water management, etc.): Purge: Weather; At4J,4 Signature: ZE Date: r j Z-A2-nlf QA1QC Sign d Date: 1 ourl�'4 i fou tow"* GOLDEN DATE:��.r-� _ GROUNDWATER SAMPLING LOG Project Name: Rowan County LF Project /Phase No.: 20140083 Well ID: Sampler(s): D. CoxIN. Tejeda Well Diameter: 2 inches Initial Depth to Water: —4. 05 feet Depth to Bottom: Zi.Q() feet Water Column Thickness:f�feet Pumping Rate: 2.10-01oo mL/min System Volume: mL Well Location: Equipment: YSI 556/YSI Pro Plus, Hach 2100Q, Water Level Meter, dedicated pump MP-15 -- --- +/- 0.1 +/- 54/, Cif) +1. 1 no/n nr n 9 +1- 1 n Time pH (S.U.) Cond. (US/Cm) Turb. (NTU) Dis 02 (mg1L) Temp. (eC) ORP (millivolts) DTW (feet) ..s: 1 7- .C-1 Ibl.3 A. -b 7. 1 Z18i f. T. ci I 10q .3 c' 4 Ic+ 1 L1 u- 9 �6=p Z 44 1 z9 /4q. ' SZ (' so i 3. 'r zo- q� r - -. b 13 . t 1(1 • :� . . 3 I Go 5. Li 2 i4 3 t. 2. - C' ; 11T3 q, 3 01 5- 4iv 14 49 Si, 3 A ll1q. �5 6 —4. I ro s. j ._. Cry z21Z. tom. )10. , S. V4 -.2 20. 2, t st 109 _. Comments (weather conditions, color, type of sample, purge -water management, etc.): if. DATE: ! -Z'17- 2. ) GROUNDWATER SAMPLING LOG GOLDER Project Name: Rowan County LF Project /Phase No.: 20140083 Well ID: (,� - 7_91L Sampler(s): D. Cox/N. Tejeda Well Diameter: 2 inches Initial Depth to Water:• n feet Depth to Bottom: 'zq.c 0 feet Water Column Thickness: ZO feet Pumping Rate: 1' mLlmin System Volume: j mL Well Location: Equipment: YSI 556JYS1 Pro Plus, Hach 2100Q, Water Level Meter, dedicated pump MP-15 •----- +1- 0.1 +1- 5% <10 +1- 10% or 0,2 +1- 10 Iran,- �- -- Comments (weather conditions, color, type of sample, purge -water management, etc.): Purge: 12.S6 Weather: Signature: LL Date: iZ- QA/QC Sign Off: date: 3 -�- [ UNDERDRAIN SAMPLING: LOG COLDER Project Name: Rowan County LF Project No./Phase No.: 20140083 Sample ID: FVeAJP f>M, r Sampler(s): IJt jmIk V:Q w&— tyrw--S Sampling Location: Equipment: �yo> i'� �, +AA44 20c, Surlacc Water Location Sketch Time PH S.U. Cond. u5 pig/cm l Turb. ntu-� Dis. 02 mg1Li Temp. oc TDS Sal ORP my 1 Comments (sample methodology, weather conditions, color, silt, etc.): Signature: QAIQC Si - Date: ` 17-V7�L-t Date: 3 -,:� 3 k. DATE: t/ ZG L 2.03 A, GROUNDWATER SAMPLING LOG GOLDER Project Name: _Rowan County LF Project /Phase No.: 20140083 Well ID: inw - i) Sampler(s): _ D. Cox/N. Tejeda Well Diameter: 2 inches Initial Depth to Water: 49. q z feet Depth to Bottom: feet Water Column Thickness: 61.5Z feet Pumping Rate: I1(,, mLlmin System Volume: mL Well Location: Equipment: YSI 556JYS1 Pro Plus, Hach 2100Q, Water Level Meter, dedicated pump M P-15 -- +1- 0.1 +1- 5% <10 +1 10% or 0.2 +1- 10 ---_ �- --- 0�- Purge: Weather: dald1_ kk" Ao< 1IZ("17?yp- ( %Ww* GOLDER DATE: ] ._ 2 ? z j GROUNDWATER SAMPLING LOG Project Name: Rowan County LF Project /Phase No.: 201400$3 Well ID: M w - f K 9- Sampler(s): D. Cox/N. Tejeda Well Diameter: 2 inches Initial Depth to Water: _� b . !f feet' Depth to Bottom: . Z-K' feet Water Column Thickness: feet Pumping Rate: mLlmin System Volume: _ q Q mL Well Location: Equipment: YSI 556IYS1 Pro Plus, Hach 2100Q, Water Level Meter, dedicated pum M P-1 5 -- +1- 0,1 +1- 5% <10 +1- 10% or 0.2 +1- 10 Cond. Turb. i■��r� �r IN■r«ra Comments (weather conditions, color, type of sample, purge -water management, etc.): Purge: Itto Weather: C4_0ub y .50 Signature: Date: -Z-f QA1QC Sign Off: Y.i?C,, _ Date: - cs UP TU 150,04 " DATE: I - Z ? - ?,-f GROUNDWATER SAMPLING LOG GOLDER Project Name; Rowan County LF Project /Phase No.: 20140083 Well ID: M W —) q' Sarnpler(s): D. Cox/N. Tejeda Well Diameter: 2 inches Initial Depth to Water: �-yd feet Depth to Bottom: 2, feet Water Column Thickness: j {,. feet Pumping Rate: mLlmin System Volume: 11 ,mL Well Location: 100 Equipment: YSI 5561YS1 Pro Plus, Hach 21000, Water Level Meter, dedicated pump M P-15 +1- 0.1 +1- 5% �10 +1. 10% or 02 +1. 10 Time pH (S.U.) Cond. (us/cm) Turb. (NTU) Dis 02 (mg/L) Temp. (CC) ORP (millivolts) DTW (feet) 5, 1>' 36.4 is 0 1. �3 5 C,,5.5 37 Ytt,7- 1' 2 " 9..sa7 iw S-3+ 3 1-23 i z, 7 L S- N /, --�, Q zo7 pSs" ' 03. - r f L 7.r r � yy ] . � %- r I3 to Li ol 3 7- 3 z.o 1 2- 3. 1 % }• l] r b S-L 0 43 z.11 :5. 6 u 6 GG z 1C7s0 - 3� St:S , 74 C3,37 13.CJ GG Ss2 v'w U� Comments (weather conditions, color, type of sample, purge -water management, etc.): PL+rge: Q 3` Weather: i<4 6o2sq Signature: Date: QA1QC Sign Off: {}c,rc,,,p �[�,�.�• Date: 2- 7 • '--f T4, GOLDER Project Name: Sample ID, Sampling Location: DATE: I SURFACE WATER SAMPLING LOG Rowan County LF Project NodPhase No.: 20140083 „ _ Sampl�er(s): f C) �s�s5 Equipment: 10 LkW z106c,�" c cSc aCc ti _�J� Time ( Z3 pH S.U. Cond, US/cm _ Turb. ntu Dis. 02 mg/L Temp. oC ORP my Surface Water Location Sketch i jJJ - 3 t Comments (sample methodology, weather conditions, color, silt, etc.): Signature:. QAIQCgK-qn Off, _ . Date: Date. --'-, zvf k> DATE: I — 77 --?- f SURFACE WATER SAMPLING LOG GOLDER Project Name: Rowan County LF Project No./Phase No.: 20140083 Sample ID: t Z Sampler(s): Sampling Location: Equipment: �tmr�ratr�;ti�r�_ ys, 4�u Surface Water Location Sketch Time 6100 pH S. U. P Cond. US/cm Tu rb. ntu Dis. 02 mg/L Temp. oC ORP my Comments (sample methodology, weather conditions, color, silt, etc.): Signature: Date:' 2 QA/QC Sign Off: '`-s- Date: 3 IN %W110 DATE: � I ZVic] Z{ SURFACE WATER SAMPLING LOG GOLDER Project Name: Rowan County LF Project No./Phase No.: 20140083 Sample ID: �(. )--3 Sampler(s): Sampling Location: f Uw 'I• Equipment: `? hAg2I 2La Surface Water Location Sketch Time pH S.U. Cond. US/cm.. Tu rb. ntu. Dis. 02 mg/L - Temp. oc ORP mvu Comments (sample methodology, weather conditions, color, slit, etc.): Signature; Date: ( Cl QA/QC - Off: . "''— Date: 3 c DATE: SURFACE WATER SAMPLING LOG COLDER Project Name: Rowan County LF Project NoRhase No.; 20140083 Sample ID: SL J- W Sampler(s): [per Sampling Location; Equipment: Surface Water Location Sketch Time pH S.U. Cond. US/cm� Tu rh. ntu f Dis. 02 mg/L � d Temp. oC+ ORP mar . Comments (sample methodology, weather conditions, color, silt, etc.): SHPL4 Q,1 n.J Signature: Jf:LDate: 1 % 2. 2- r QAIQC Sign Off: Date: 34 f 'S�— DATE: ( SURFACE WATER SAMPLING LOG GOLDER Project Name: Rowan County LF Project No./Phase No.: 20140083 Sample ID: _�w -S- Sampler(s): c- dry Sampling Location: cy� c7F ltt+J ( �� k,,,) (q Equipment: rT Lt, 6 n� n r-lC r,, Time J pH S.U. G. Cond. u5lcm Turb. ntu Dis. 02 mg/L . Temp. oC ORP mv Surface Water Location Sketch Dmv- � s 2 ,4"6, 3 Comments (sample methodology, weather conditions, color, silt, etc.): Signature-, Date: 1-2 2-2r QAIQC Sign Off: ILC c Date: -3--d-3---to P,-1 TP nr'."' k)o GOLDER DATE: %-I-)-ZJ LEACHATE SAMPLING LOG Project Name: Rowan County LF Project No./Phase No.: 20140083 Sample ID: j - Sampler(s): Daavw c o)6 Sampling Location: ( JEOn H r- A Equipment: Tug,,), Leachate Sampling Location Sketch Time i pH. %.u. 9, ciq Cond. C' 41Icm A o -33 Tu rb. ntu Dis. 02 m L M Temp. oC 1 3. 2 TDS Sal ORP MY Comments (sample methodology, weather conditions, color, silt, etc.): Signature: Date: k' a .- QA/QC Sign Off: 11 e4f Date; 31 APPENDIX B JAN UARY 2021 GROUNDWATER AND SURFACE WATER CERTIFICATE -OF -ANALYSIS, CHAIN -OF -CUSTODY FORMS AND LABORATORY DATA REVIEWS ENCO Laboratones Accurate. Timely. Responsive. Innovative. 102-A Woodwinds Industrial Court Cary NC, 27511 Phone: 919.467.3090 FAX: 919.467.3515 Monday, February 8, 2021 Golder Associates, Inc. (G0007) Attn: Darren Cox 5B Oak Branch Drive Greensboro, NC 27407 RE: Laboratory Results for Project Number: 20140083.100, Project Name/Desc: Rowan County Active Landfills ENCO Workorder(s): CE00222 Dear Darren Cox, Enclosed is a copy of your laboratory report for test samples received by our laboratory on Thursday, January 28, 2021. 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 73 PROJECT NARRATIVE Date: February 8, 2021 Client: Golder Associates, Inc. (G0007) Project: Rowan County Active Landfills Lab ID: CE00222 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 2-Butanone and Acetone; however, these analytes were not detected in the associated samples. The Continuing Calibration Verification (CCV) exhibited a high bias for 2-Butanone, 4-Methyl-2-pentanone, Acetone, Bromochloromethane, Carbon tetrachloride, cis- 1,3-Dichloropropene, trans- 1,4-Dichloro-2-butene, and Vinyl acetate; however, these analytes were not detected in the associated samples. The spike recovery for Vinyl chloride was outside 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 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 73 (� �Eo www.encolabs.com SAMPLE SUMMARY/LABORATORY CHRONICLE Client ID: 8003-MW3 Lab ID: CE00222-01 Sampled: 01/26/21 13:05 Received: 01/28/21 10:30 Parameter Preparation Hold Date/Time(s) Prep Date/Time(s) Analysis Date/Time(s) EPA 6010D EPA 3005A 07/25/21 01/28/21 13:11 02/03/21 10:50 EPA 6020E EPA 3005A 07/25/21 01/28/21 13:27 02/02/21 12:06 EPA 8260D EPA 503013_MS 02/09/21 02/01/21 08:12 02/01/21 15:02 Client ID: 8003-MW7 Lab ID: CE00222-02 Sampled: 01/26/21 16:15 Received: 01/28/21 10:30 Parameter Preparation Hold Date/Time(s) Prep Date/Time(s) Analysis Date/Time(s) EPA 6010D EPA 3005A 07/25/21 01/28/21 13:11 02/03/21 10:52 EPA 6020E EPA 3005A 07/25/21 01/28/21 13:27 02/02/21 12:10 EPA 8260D EPA 5030B_MS 02/09/21 02/01/21 08:12 02/01/21 15:32 Client ID: 8003-MW9 Lab ID: CE00222-03 Sampled: 01/26/21 09:39 Received: 01/28/21 10:30 Parameter Preparation Hold Date/Time(s) Prep Date/Time(s) Analysis Date/Time(s) EPA 6010D EPA 3005A 07/25/21 01/28/21 13:11 02/03/21 10:58 EPA 6020B EPA 3005A 07/25/21 01/28/21 13:27 02/02/21 12:24 EPA 8260D EPA 503013_MS 02/09/21 02/01/21 08:12 02/01/21 16:02 Client ID: 8003-MW11 Lab ID: CE00222-04 Sampled: 01/26/21 11:10 Received: 01/28/21 10:30 Parameter Preparation Hold Date/Time(s) Prep Date/Time(s) Analysis Date/Time(s) EPA 6010D EPA 3005A 07/25/21 01/28/21 13:11 02/03/21 11:05 EPA 6020E EPA 3005A 07/25/21 01/28/21 13:27 02/02/21 12:28 EPA 8260D EPA 503013_MS 02/09/21 02/01/21 08:12 02/01/21 16:35 Client ID: 8003-MW12 (MS/MSD) Lab ID: CE00222-05 Sampled: 01/26/21 10:15 Received: 01/28/21 10:30 Parameter Preparation Hold Date/Time(s) Prep Date/Time(s) Analysis Date/Time(s) EPA 6010D EPA 3005A 07/25/21 01/28/21 13:11 02/03/21 10:34 EPA 6020E EPA 3005A 07/25/21 01/28/21 13:27 02/02/21 11:36 EPA 8260D EPA 503013_MS 02/09/21 01/29/21 16:27 01/29/21 20:59 Client ID: 8003-MW13 Lab ID: CE00222-06 Sampled: 01/26/21 09:30 Received: 01/28/21 10:30 Parameter Preparation Hold Date/Time(s) Prep Date/Time(s) Analysis Date/Time(s) EPA 6010D EPA 3005A 07/25/21 01/28/21 13:11 02/03/21 11:08 EPA 6020B EPA 3005A 07/25/21 01/28/21 13:27 02/02/21 12:32 EPA 8260D EPA 5030B_MS 02/09/21 01/29/21 16:27 01/30/21 00:29 Client ID: 8003-MW16 Lab ID: CE00222-07 Sampled: 01/26/21 11:58 Received: 01/28/21 10:30 Parameter Preparation Hold Date/Time(s) Prep Date/Time(s) Analysis Date/Time(s) EPA 6010D EPA 3005A 07/25/21 01/28/21 13:11 02/03/21 11:10 EPA 6020B EPA 3005A 07/25/21 01/28/21 13:27 02/02/21 12:37 EPA 8260D EPA 503013_MS 02/09/21 01/29/21 16:27 01/30/21 00:59 Client ID: 8003-MW20 Lab ID: CE00222-08 Sampled: 01/26/21 14:08 Received: 01/28/21 10:30 Parameter Preparation Hold Date/Time(s) Prep Date/Time(s) Analysis Date/Time(s) EPA 6010D EPA 3005A 07/25/21 01/28/21 13:11 02/03/21 11:12 EPA 6020E EPA 3005A 07/25/21 01/28/21 13:27 02/02/21 12:41 EPA 8260D EPA 503013_MS 02/09/21 01/29/21 16:27 01/30/21 01:29 Client ID: 8003-MW23 Lab ID: CE00222-09 Sampled: 01/26/21 12:55 Received: 01/28/21 10:30 Parameter Preparation Hold Date/Time(s) Prep Date/Time(s) Analysis Date/Time(s) EPA 6010D EPA 3005A 07/25/21 01/28/21 13:11 02/03/21 11:15 EPA 6020E EPA 3005A 07/25/21 01/28/21 13:27 02/02/21 12:45 EPA 8260D EPA 503013_MS 02/09/21 01/29/21 16:27 01/30/21 01:59 FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 3 Of 73 (� �Eo www.encolabs.com SAMPLE SUMMARY/LABORATORY CHRONICLE Client ID: 8003-MW23A Lab ID: CE00222-10 Sampled: 01/26/21 15:15 Received: 01/28/21 10:30 Parameter Preparation Hold Date/Time(s) Prep Date/Time(s) Analysis Date/Time(s) EPA 6010D EPA 3005A 07/25/21 01/28/21 13:11 02/03/21 11:17 EPA 6020E EPA 3005A 07/25/21 01/28/21 13:27 02/02/21 12:49 EPA 8260D EPA 503013_MS 02/09/21 01/29/21 16:27 01/30/21 02:29 Client ID: 8003-MW24R Lab ID: CE00222-11 Sampled: 01/26/21 11:55 Received: 01/28/21 10:30 Parameter Preparation Hold Date/Time(s) Prep Date/Time(s) Analysis Date/Time(s) EPA 6010D EPA 3005A 07/25/21 01/28/21 13:11 02/03/21 11:19 EPA 6020E EPA 3005A 07/25/21 01/28/21 13:27 02/02/21 12:54 EPA 8260D EPA 5030B_MS 02/09/21 02/01/21 08:12 02/01/21 17:05 Client ID: 8003-MW25 Lab ID: CE00222-12 Sampled: 01/26/21 15:09 Received: 01/28/21 10:30 Parameter Preparation Hold Date/Time(s) Prep Date/Time(s) Analysis Date/Time(s) EPA 6010D EPA 3005A 07/25/21 01/28/21 13:11 02/03/21 11:22 EPA 6020B EPA 3005A 07/25/21 01/28/21 13:27 02/02/21 12:58 EPA 8260D EPA 503013_MS 02/09/21 02/01/21 08:12 02/01/21 17:35 Client ID: 8003-MW26 Lab ID: CE00222-13 Sampled: 01/27/21 13:47 Received: 01/28/21 10:30 Parameter Preparation Hold Date/Time(s) Prep Date/Time(s) Analysis Date/Time(s) EPA 6010D EPA 3005A 07/26/21 01/28/21 13:11 02/03/21 11:24 EPA 6020E EPA 3005A 07/26/21 01/28/21 13:27 02/02/21 13:02 EPA 8260D EPA 503013_MS 02/10/21 02/02/21 15:23 02/02/21 22:21 Client ID: 8003-MW27 Lab ID: CE00222-14 Sampled: 01/27/21 11:00 Received: 01/28/21 10:30 Parameter Preparation Hold Date/Time(s) Prep Date/Time(s) Analysis Date/Time(s) EPA 6010D EPA 3005A 07/26/21 01/28/21 13:11 02/03/21 11:27 EPA 6020E EPA 3005A 07/26/21 01/28/21 13:27 02/02/21 13:15 EPA 8260D EPA 503013_MS 02/10/21 02/02/21 15:23 02/02/21 22:49 Client ID: 8003-MW28R Lab ID: CE00222-15 Sampled: 01/27/21 13:15 Received: 01/28/21 10:30 Parameter Preparation Hold Date/Time(s) Prep Date/Time(s) Analysis Date/Time(s) EPA 6010D EPA 3005A 07/26/21 01/28/21 13:11 02/03/21 11:34 EPA 6020E EPA 3005A 07/26/21 01/28/21 13:27 02/02/21 13:19 EPA 8260D EPA 5030B_MS 02/10/21 02/02/21 15:23 02/02/21 23:17 Client ID: 8003-French Drain Lab ID: CE00222-16 Sampled: 01/27/21 10:44 Received: 01/28/21 10:30 Parameter Preparation Hold Date/Time(s) Prep Date/Time(s) Analysis Date/Time(s) EPA 6010D EPA 3005A 07/26/21 01/28/21 13:11 02/03/21 11:36 EPA 6020B EPA 3005A 07/26/21 01/28/21 13:27 02/02/21 13:24 EPA 8260D EPA 503013_MS 02/10/21 02/02/21 15:23 02/02/21 23:44 Client ID: 8003-SW1 Lab ID: CE00222-17 Sampled: 01/27/21 12:31 Received: 01/28/21 10:30 Parameter Preparation Hold Date/Time(s) Prep Date/Time(s) Analysis Date/Time(s) EPA 6010D EPA 3005A 07/26/21 01/28/21 13:11 02/03/21 11:38 EPA 6020E EPA 3005A 07/26/21 01/28/21 13:27 02/02/21 13:28 EPA 8260D EPA 503013_MS 02/10/21 02/01/21 08:12 02/01/21 18:05 Client ID: 8003-SW2 Lab ID: CE00222-18 Sampled: 01/27/21 09:00 Received: 01/28/21 10:30 Parameter Preparation Hold Date/Time(s) Prep Date/Time(s) Analysis Date/Time(s) EPA 6010D EPA 3005A 07/26/21 01/28/21 13:11 02/03/21 11:41 EPA 6020E EPA 3005A 07/26/21 01/28/21 13:27 02/02/21 13:32 EPA 8260D EPA 503013_MS 02/10/21 02/01/21 08:12 02/01/21 18:35 FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 4 Of 73 (� �Eo www.encolabs.com SAMPLE SUMMARY/LABORATORY CHRONICLE Client ID: 8003-SW3 Lab ID: CE00222-19 Sampled: 01/27/21 12:00 Received: 01/28/21 10:30 Parameter Preparation Hold Date/Time(s) Prep Date/Time(s) Analysis Date/Time(s) EPA 6010D EPA 3005A 07/26/21 01/28/21 13:11 02/03/21 11:43 EPA 6020E EPA 3005A 07/26/21 01/28/21 13:27 02/02/21 13:36 Client ID: 8003-SW3 Lab ID: CE00222-19RE1 Sampled: 01/27/21 12:00 Received: 01/28/21 10:30 Parameter Preparation Hold Date/Time(sl Prep Date/Time(s) Analysis Date/Time(s) EPA 8260D EPA 503013_MS 02/10/21 02/03/21 12:37 02/03/21 17:36 Client ID: 8003-SW4 Lab ID: CE00222-20 Sampled: 01/26/21 11:30 Received: 01/28/21 10:30 Parameter Preparation Hold Date/Time(s) Prep Date/Time(s) Analysis Date/Time(s) EPA 6010D EPA 3005A 07/25/21 01/28/21 13:11 02/03/21 11:46 EPA 6020E EPA 3005A 07/25/21 01/30/21 15:46 02/04/21 11:45 EPA 8260D EPA 5030B_MS 02/09/21 02/01/21 08:12 02/01/21 19:05 Client ID: 8003-SWS Lab ID: CE00222-21 Sampled: 01/27/21 09:30 Received: 01/28/21 10:30 Parameter Preparation Hold Date/Time(s) Prep Date/Time(s) Analysis Date/Time(s) EPA 6010D EPA 3005A 07/26/21 01/28/21 13:17 02/01/21 11:22 EPA 6020E EPA 3005A 07/26/21 01/30/21 15:46 02/04/21 11:49 EPA 8260D EPA 503013_MS 02/10/21 02/02/21 15:23 02/03/21 00:39 EPA 8260D EPA 503013_MS 02/10/21 02/03/21 12:37 02/03/21 19:26 EPA 8260D EPA 503013_MS 02/10/21 02/04/21 10:42 02/04/21 11:22 Client ID: 8003-Field Blank Lab ID: CE00222-22 Sampled: 01/27/21 13:35 Received: 01/28/21 10:30 Parameter Preparation Hold Date/Time(s) Prep Date/Time(s) Analysis Date/Time(s) EPA 6010D EPA 3005A 07/26/21 01/28/21 13:17 02/01/21 11:25 EPA 6020B EPA 3005A 07/26/21 01/30/21 15:46 02/04/21 11:54 EPA 8260D EPA 503013_MS 02/10/21 02/02/21 15:23 02/02/21 20:04 EPA 8260D EPA 503013_MS 02/10/21 02/03/21 12:37 02/03/21 18:59 EPA 8260D EPA 503013_MS 02/10/21 02/04/21 10:42 02/04/21 11:47 Client ID: 8003-Trip Blank Lab ID: CE00222-23 Sampled: 01/26/21 09:30 Received: 01/28/21 10:30 Parameter Preparation Hold Date/Time(sl Prep Date/Time(s) Analysis Date/Time(s) EPA 8260D EPA 503013_MS 02/09/21 01/29/21 16:27 01/29/21 21:29 Client ID: 8003-Trip Blank Lab ID: CE00222-23RE1 Sampled: 01/26/21 09:30 Received: 01/28/21 10:30 Parameter Preparation Hold Date/Time(s) Prep Date/Time(s) Analysis Date/Time(s) EPA 8260D EPA 5030B_MS 02/09/21 02/03/21 12:37 02/03/21 16:13 FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Pager) Of 73 (� �Eo www.encolabs.com SAMPLE DETECTION SUMMARY Client ID: 8003-MW3 Lab ID: CE00222-01 Analvte Results Flag MDL Q Units Method Notes Barium - Total 98.6 1.10 10.0 ug/L EPA 6010D Cobalt - Total 1.59 J 1.40 10.0 ug/L EPA 6010D Copper - Total 2.45 J 1.60 10.0 ug/L EPA 6010D Nickel - Total 2.97 J 2.20 10.0 ug/L EPA 6010D Client ID: 8003-MW7 Lab ID: CE00222-02 Analvte Results Flag MDL PQL Units Method Notes Barium - Total 64.3 1.10 10.0 ug/L EPA 6010D Beryllium - Total 0.181 1 0.160 1.00 ug/L EPA 6010D Chromium - Total 4.71 1 1.40 10.0 ug/L EPA 6010D Tetrachloroethene 0.45 J 0.17 1.0 ug/L EPA 8260D Client ID: 8003-MW9 Lab ID: CE00222-03 Analvte Results Flag MDL PQL Units Method Notes Barium - Total 64.8 1.10 10.0 ug/L EPA 6010D Chromium - Total 2.59 J 1.40 10.0 ug/L EPA 6010D Copper - Total 3.74 J 1.60 10.0 ug/L EPA 6010D Nickel - Total 7.92 J 2.20 10.0 ug/L EPA 6010D Vanadium - Total 2.52 J 1.40 10.0 ug/L EPA 6010D Client ID: 8003-MW31 Lab ID: CE00222-04 Analvte Results Flag MDL PQL Units Method Notes Barium - Total 40.8 1.10 10.0 uq/L EPA 6010D I Client ID: 8003-MW32 (MS/MSD) Lab ID: CE00222-05 Analvte Results Flag MDL PQL Units Method Notes Barium - Total 55.8 1.10 10.0 ug/L EPA 6010D Beryllium - Total 0.252 1 0.160 1.00 ug/L EPA 6010D Client ID: 8003-MW33 Lab ID: CE00222-06 Analvte Results Flag MDL PQL Units Method Notes Barium - Total 87.0 1.10 10.0 ug/L EPA 6010D Chromium - Total 1.57 1 1.40 10.0 ug/L EPA 6010D Copper - Total 2.74 1 1.60 10.0 ug/L EPA 6010D Vanadium - Total 2.92 J 1.40 10.0 ug/L EPA 6010D Client ID: 8003-MW16 Lab ID: CE00222-07 Analvte Results Flag MDL PQL Units Method Notes Barium - Total 15.4 1.10 10.0 ug/L EPA 6010D Client ID: 8003-MW20 Lab ID: CE00222-08 Analvte Results Flag MDL PQL Units Method Notes Barium - Total 81.7 1.10 10.0 ug/L EPA 6010D Beryllium - Total 0.251 J 0.160 1.00 ug/L EPA 6010D Cobalt - Total 4.38 J 1.40 10.0 ug/L EPA 6010D Copper - Total 5.03 J 1.60 10.0 ug/L EPA 6010D Nickel - Total 5.70 J 2.20 10.0 ug/L EPA 6010D Zinc - Total 15.4 4.40 10.0 ug/L EPA 6010D Client ID: 8003-MW23 Lab ID: CE00222-09 Analvte Results Flag MDL PQL Units Method Notes Barium - Total 207 1.10 10.0 ug/L EPA 6010D Beryllium - Total 0.257 J 0.160 1.00 ug/L EPA 6010D Chromium - Total 3.91 J 1.40 10.0 ug/L EPA 6010D Nickel - Total 7.32 1 2.20 10.0 ug/L EPA 6010D Client ID: 8003-MW23A Lab ID: CE00222-10 Analvte Results Flag MDL PQL Units Method Notes Barium - Total 26.3 1.10 10.0 ug/L EPA 6010D Chromium - Total 1.89 J 1.40 10.0 ug/L EPA 6010D Nickel - Total 2.29 J 2.20 10.0 ug/L EPA 6010D Vanadium - Total 6.24 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 6 Of 73 (� �Eo www.encolabs.com SAMPLE DETECTION SUMMARY Client ID: 8003-MW24R Lab ID: CE00222-11 Analvte Results Flag MDL PQL Units Method Notes Barium - Total 57.2 1.10 10.0 ug/L EPA 6010D Beryllium - Total 0.218 J 0.160 1.00 ug/L EPA 6010D Chromium - Total 1.41 J 1.40 10.0 ug/L EPA 6010D Copper - Total 1.99 1 1.60 10.0 ug/L EPA 6010D Client ID: 8003-MW25 Lab ID: CE00222-12 Analvte Results Flag MDL PQL Units Method Notes Barium - Total 30.0 1.10 10.0 ug/L EPA 6010D Chromium - Total 4.81 1 1.40 10.0 ug/L EPA 6010D Vanadium - Total 7.93 1 1.40 10.0 ug/L EPA 6010D Client ID: 8003-MW26 Lab ID: CE00222-13 Analvte Results Flag MDL PQL Units Method Notes Barium - Total 78.8 1.10 10.0 ug/L EPA 6010D Beryllium - Total 0.276 J 0.160 1.00 ug/L EPA 6010D Copper - Total 1.65 J 1.60 10.0 ug/L EPA 6010D Client ID: 8003-MW27 Lab ID: CE00222-14 Analvte Results Flag MDL PQL Units Method Notes Barium - Total 82.2 1.10 10.0 ug/L EPA 6010D Beryllium - Total 0.247 J 0.160 1.00 ug/L EPA 6010D Client ID: 8003-MW28R Lab ID: CE00222-15 Analvte Results Flag MDL PQL Units Method Notes Barium - Total 427 1.10 10.0 ug/L EPA 6010D Beryllium - Total 0.665 J 0.160 1.00 ug/L EPA 6010D Cobalt - Total 4.11 J 1.40 10.0 ug/L EPA 6010D Nickel - Total 3.09 1 2.20 10.0 ug/L EPA 6010D Client ID: 8003-French Drain Lab ID: CE00222-16 Analvte Results Flag MDL PQL Units Method Notes Barium - Total 54.0 1.10 10.0 ug/L EPA 6010D Copper - Total 5.54 1 1.60 10.0 ug/L EPA 6010D Vanadium - Total 9.25 1 1.40 10.0 ug/L EPA 6010D Zinc - Total 4.52 J 4.40 10.0 ug/L EPA 6010D Client ID: 8003-SW3 Lab ID: CE00222-17 Analvte Results Flag MDL PQL Units Method Notes Barium - Total 49.8 1.10 10.0 ug/L EPA 6010D Chromium - Total 1.47 J 1.40 10.0 ug/L EPA 6010D Copper - Total 2.20 J 1.60 10.0 ug/L EPA 6010D Vanadium - Total 3.17 1 1.40 10.0 ug/L EPA 6010D Client ID: 8003-SW2 Lab ID: CE00222-18 Analvte Results Flag MDL PQL Units Method Notes Barium - Total 53.2 1.10 10.0 ug/L EPA 6010D Copper - Total 2.36 1 1.60 10.0 ug/L EPA 6010D Vanadium - Total 2.97 J 1.40 10.0 ug/L EPA 6010D Client ID: 8003-SW3 Lab ID: CE00222-19 Analvte Results Flag MDL PQL Units Method Notes Barium - Total 204 1.10 10.0 ug/L EPA 6010D Chromium - Total 4.65 J 1.40 10.0 ug/L EPA 6010D Cobalt - Total 5.93 J 1.40 10.0 ug/L EPA 6010D Copper - Total 2.68 J 1.60 10.0 ug/L EPA 6010D Nickel - Total 6.01 J 2.20 10.0 ug/L EPA 6010D Vanadium - Total 3.39 J 1.40 10.0 ug/L EPA 6010D Zinc - Total 40.7 4.40 10.0 ug/L EPA 6010D Client ID: 8003-SW3 Lab ID: CE00222-19RE3 Analvte Results Flag MDL PQL Units Method Notes 2-Butanone 50 1.3 5.0 ug/L EPA 8260D 2-Hexanone 9.1 0.88 5.0 ug/L EPA 8260D Acetone 66 10 20 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 7 Of 73 (� �Eo www.encolabs.com SAMPLE DETECTION SUMMARY Client ID: 8003-SW4 Lab ID: CE00222-20 Analvte Results Flag MDL PQL Units Method Notes Barium - Total 97.0 1.10 10.0 ug/L EPA 6010D Copper - Total 3.19 J 1.60 10.0 ug/L EPA 6010D Client ID: 8003-SWS Lab ID: CE00222-21 Analvte Results Flag MDL PQL Units Method Notes 1,4-Dioxane 2.6 0.80 2.0 ug/L EPA 8260D Barium - Total 93.4 1.10 10.0 ug/L EPA 6010D Cobalt - Total 9.27 J 1.40 10.0 ug/L EPA 6010D Nickel - Total 6.27 J 2.20 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 8 Of 73 00� www.encolabs.com ANALYTICAL RESULTS Description: 8003-MW1 Lab Sample ID:CE00222-01 Received: 01/28/21 10:30 Matrix: Ground Water Sampled:01/26/21 13:05 Work Order: CE00222 Project: Rowan County Active Landfills Sampled By: Darren Cox Volatile Organic Compounds by GCMS ^ - ENCO Cary certfied anaiyte [NC 591] Analyte ICAS Numberl Results Flaa Units DF MDL P L Batch Method Analyzed By Notes 1,1,1,2-Tetrachloroethane [630-20-6]A 0.17 u ug/L 1 0.17 1.0 1BO1003 EPA 8260D 02/01/21 15:02 RKY 1,1,1-Trichloroethane [71-55-6]A 0.12 u ug/L 1 0.12 1.0 1BO1003 EPA 8260D 02/01/21 15:02 RKY 1,1,2,2-Tetrachloroethane [79-34-5]A 0.28 u ug/L 1 0.28 1.0 1BO1003 EPA 8260D 02/01/21 15:02 RKY 1,1,2-Trichloroethane [79-00-5]A 0.14 u ug/L 1 0.14 1.0 1BO1003 EPA 8260D 02/01/21 15:02 RKY 1,1-Dichloroethane [75-34-3]^ 0.13 u ug/L 1 0.13 1.0 1BO1003 EPA 8260D 02/01/21 15:02 RKY 1,1-Dichloroethene [75-35-4]^ 0.21 u ug/L 1 0.21 1.0 1BO1003 EPA 8260D 02/01/21 15:02 RKY 1,2,3-Trichloropropane [96-18-4]^ 0.23 u ug/L 1 0.23 1.0 1BO1003 EPA 8260D 02/01/21 15:02 RKY 1,2-Dibromo-3-chloropropane [96-12-8]^ 0.48 u ug/L 1 0.48 1.0 1BO1003 EPA 8260D 02/01/21 15:02 RKY 1,2-Dibromoethane [106-93-4]^ 0.66 u ug/L 1 0.66 1.0 1BO1003 EPA 8260D 02/01/21 15:02 RKY 1,2-Dichlorobenzene [95-50-1]^ 0.19 u ug/L 1 0.19 1.0 1BO1003 EPA 8260D 02/01/21 15:02 RKY 1,2-Dichloroethane [107-06-2]^ 0.21 u ug/L 1 0.21 1.0 1BO1003 EPA 8260D 02/01/21 15:02 RKY 1,2-Dichloropropane [78-87-5]^ 0.10 u ug/L 1 0.10 1.0 1BO1003 EPA 8260D 02/01/21 15:02 RKY 1,4-Dichlorobenzene [106-46-7]^ 0.19 u ug/L 1 0.19 1.0 1BO1003 EPA 8260D 02/01/21 15:02 RKY 2-Butanone [78-93-3]A 1.3 u ug/L 1 1.3 5.0 1BO1003 EPA 8260D 02/01/21 15:02 RKY 2-Hexanone [591-78-6]A 0.88 u ug/L 1 0.88 5.0 1BO1003 EPA 8260D 02/01/21 15:02 RKY 4-Methyl-2-pentanone [108-10-1]^ 1.1 u ug/L 1 1.1 5.0 1BO1003 EPA 8260D 02/01/21 15:02 RKY Acetone [67-64-1]A 10 u ug/L 1 10 20 1BO1003 EPA 8260D 02/01/21 15:02 RKY Acrylonitrile [107-13-1]^ 3.5 u ug/L 1 3.5 10 1BO1003 EPA 8260D 02/01/21 15:02 RKY Benzene[71-43-2]A 0.15 u ug/L 1 0.15 1.0 1BO1003 EPA 8260D 02/01/21 15:02 RKY Bromochloromethane [74-97-5]A 0.48 u ug/L 1 0.48 1.0 1BO1003 EPA 8260D 02/01/21 15:02 RKY QV-01 Bromodichloromethane [75-27-4]^ 0.17 u ug/L 1 0.17 1.0 1BO1003 EPA 8260D 02/01/21 15:02 RKY Bromoform [75-25-2]^ 0.22 u ug/L 1 0.22 1.0 1BO1003 EPA 8260D 02/01/21 15:02 RKY Bromomethane [74-83-9]A 0.14 u ug/L 1 0.14 1.0 1BO1003 EPA 8260D 02/01/21 15:02 RKY Carbon disulfide [75-15-0]A 1.5 u ug/L 1 1.5 5.0 1BO1003 EPA 8260D 02/01/21 15:02 RKY Carbon tetrachloride [56-23-5]A 0.17 u ug/L 1 0.17 1.0 1BO1003 EPA 8260D 02/01/21 15:02 RKY Chlorobenzene [108-90-7]A 0.17 u ug/L 1 0.17 1.0 1BO1003 EPA 8260D 02/01/21 15:02 RKY Chloroethane [75-00-3]A 0.23 u ug/L 1 0.23 1.0 1BO1003 EPA 8260D 02/01/21 15:02 RKY Chloroform [67-66-3]^ 0.18 u ug/L 1 0.18 1.0 1BO1003 EPA 8260D 02/01/21 15:02 RKY Chloromethane [74-87-3]A 0.13 u ug/L 1 0.13 1.0 1BO1003 EPA 8260D 02/01/21 15:02 RKY cis-1,2-Dichloroethene [156-59-2]^ 0.15 u ug/L 1 0.15 1.0 1BO1003 EPA 8260D 02/01/21 15:02 RKY cis-1,3-Dichloropropene [10061-01-5]A 0.20 u ug/L 1 0.20 1.0 1BO1003 EPA 8260D 02/01/21 15:02 RKY Dibromochloromethane [124-48-1]A 0.17 u ug/L 1 0.17 1.0 1BO1003 EPA 8260D 02/01/21 15:02 RKY Dibromomethane [74-95-3]A 0.27 u ug/L 1 0.27 1.0 1BO1003 EPA 8260D 02/01/21 15:02 RKY Ethylbenzene [100-41-4]A 0.13 u ug/L 1 0.13 1.0 1BO1003 EPA 8260D 02/01/21 15:02 RKY Iodomethane [74-88-4]^ 1.7 u ug/L 1 1.7 5.0 1BO1003 EPA 8260D 02/01/21 15:02 RKY Methylene chloride [75-09-2]A 0.23 u ug/L 1 0.23 1.0 1BO1003 EPA 8260D 02/01/21 15:02 RKY Styrene[100-42-5]A 0.11 u ug/L 1 0.11 1.0 1BO1003 EPA 8260D 02/01/21 15:02 RKY Tetrachloroethene [127-18-4]A 0.17 u ug/L 1 0.17 1.0 1BO1003 EPA 8260D 02/01/21 15:02 RKY Toluene [108-88-3]^ 0.14 u ug/L 1 0.14 1.0 1BO1003 EPA 8260D 02/01/21 15:02 RKY trans-1,2-Dichloroethene [156-60-5]^ 0.21 u ug/L 1 0.21 1.0 1BO1003 EPA 8260D 02/01/21 15:02 RKY trans-1,3-Dichloropropene [10061-02-6]^ 0.15 u ug/L 1 0.15 1.0 1BO1003 EPA 8260D 02/01/21 15:02 RKY trans-1,4-Dichloro-2-butene [110-57-6]A 0.70 u ug/L 1 0.70 1.0 1BO1003 EPA 8260D 02/01/21 15:02 RKY QV-01 Trichloroethene [79-01-6]^ 0.15 u ug/L 1 0.15 1.0 1BO1003 EPA 8260D 02/01/21 15:02 RKY Trichlorofluoromethane [75-69-4]^ 0.24 u ug/L 1 0.24 1.0 1BO1003 EPA 8260D 02/01/21 15:02 RKY Vinyl acetate [108-05-4]A 0.95 u ug/L 1 0.95 5.0 1BO1003 EPA 8260D 02/01/21 15:02 RKY QV-01 Vinyl chloride [75-01-4]^ 0.32 u ug/L 1 0.32 1.0 1BO1003 EPA 8260D 02/01/21 15:02 RKY Xylenes (Total) [1330-20-7]A 0.45 u ug/L 1 0.45 3.0 1BO1003 EPA 8260D 02/01/21 15:02 RKY FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 9 of 73 (� �Eo www.encolabs.com ANALYTICAL RESULTS Description: 8003-MW1 Lab Sample ID:CE00222-01 Received: 01/28/21 10:30 Matrix: Ground Water Sampled:01/26/21 13:05 Work Order: CE00222 Project: Rowan County Active Landfills Sampled By: Darren Cox 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 47 1 50.0 94 % 53-136 IB01003 EPA 6260D 02101121 15:02 RKY Dibromofluoromethane 49 1 50.0 97 % 67-129 IB01003 EPA 6260D 02101121 15:02 RKY Toluene-d8 61 1 50.0 121 % 59-134 IB01003 EPA 6260D 02101121 15:02 RKY 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[7440-36-0]^ 0.740 U ug/L 2 0.740 2.00 1A28032 EPA 6020B 02/02/21 12:06 RLF Arsenic[7440-38-2]^ 7.60 U ug/L 1 7.60 10.0 1A28030 EPA 6010D 02/03/21 10:50 JDH Barium [7440-39-3]^ 98.6 ug/L 1 1.10 10.0 1A28030 EPA 6010D 02/03/21 10:50 JDH Beryllium [7440-41-7]^ 0.160 U ug/L 1 0.160 1.00 1A28030 EPA 6010D 02/03/21 10:50 JDH Cadmium [7440-43-9]^ 0.360 U ug/L 1 0.360 1.00 1A28030 EPA 6010D 02/03/21 10:50 JDH Chromium [7440-47-3]^ 1.40 U ug/L 1 1.40 10.0 1A28030 EPA 6010D 02/03/21 10:50 JDH Cobalt[7440-48-4]^ 1.59 J ug/L 1 1.40 10.0 1A28030 EPA 6010D 02/03/21 10:50 JDH Copper[7440-50-8]^ 2.45 J ug/L 1 1.60 10.0 1A28030 EPA 6010D 02/03/21 10:50 JDH Lead [7439-92-1]^ 3.10 U ug/L 1 3.10 10.0 1A28030 EPA 6010D 02/03/21 10:50 JDH Nickel[7440-02-O]^ 2.97 J ug/L 1 2.20 10.0 1A28030 EPA 6010D 02/03/21 10:50 JDH Selenium [7782-49-2]^ 6.20 U ug/L 1 6.20 10.0 1A28030 EPA 6010D 02/03/21 10:50 JDH Silver [7440-22-4]^ 1.90 U ug/L 1 1.90 10.0 1A28030 EPA 6010D 02/03/21 10:50 JDH Thallium [7440-28-0]^ 0.220 U ug/L 2 0.220 2.00 1A28032 EPA 6020B 02/02/21 12:06 RLF Vanadium [7440-62-2]^ 1.40 U ug/L 1 1.40 10.0 1A28030 EPA 6010D 02/03/21 10:50 JDH Zinc [7440-66-6]^ 4.40 U ug/L 1 4.40 10.0 1A28030 EPA 6010D 02/03/21 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 10 of %3 00� www.encolabs.com ANALYTICAL RESULTS Description: 8003-MW7 Lab Sample ID:CE00222-02 Received: 01/28/21 10:30 Matrix: Ground Water Sampled:01/26/21 16:15 Work Order: CE00222 Project: Rowan County Active Landfills Sampled By: Darren Cox Volatile Organic Compounds by GCMS ^ - ENCO Cary certfied anaiyte [NC 591] Analyte ICAS Numberl Results Flaa Units DF MDL P L Batch Method Analyzed By Notes 1,1,1,2-Tetrachloroethane [630-20-6]A 0.17 u ug/L 1 0.17 1.0 1BO1003 EPA 8260D 02/01/21 15:32 RKY 1,1,1-Trichloroethane [71-55-6]A 0.12 u ug/L 1 0.12 1.0 1BO1003 EPA 8260D 02/01/21 15:32 RKY 1,1,2,2-Tetrachloroethane [79-34-5]A 0.28 u ug/L 1 0.28 1.0 1BO1003 EPA 8260D 02/01/21 15:32 RKY 1,1,2-Trichloroethane [79-00-5]A 0.14 u ug/L 1 0.14 1.0 1BO1003 EPA 8260D 02/01/21 15:32 RKY 1,1-Dichloroethane [75-34-3]A 0.13 u ug/L 1 0.13 1.0 1BO1003 EPA 8260D 02/01/21 15:32 RKY 1,1-Dichloroethene [75-35-4]A 0.21 u ug/L 1 0.21 1.0 1BO1003 EPA 8260D 02/01/21 15:32 RKY 1,2,3-Trichloropropane [96-18-4]A 0.23 u ug/L 1 0.23 1.0 1BO1003 EPA 8260D 02/01/21 15:32 RKY 1,2-Dibromo-3-chloropropane [96-12-8]A 0.48 u ug/L 1 0.48 1.0 1BO1003 EPA 8260D 02/01/21 15:32 RKY 1,2-Dibromoethane [106-93-4]A 0.66 u ug/L 1 0.66 1.0 1BO1003 EPA 8260D 02/01/21 15:32 RKY 1,2-Dichlorobenzene [95-50-1]A 0.19 u ug/L 1 0.19 1.0 1BO1003 EPA 8260D 02/01/21 15:32 RKY 1,2-Dichloroethane [107-06-2]A 0.21 u ug/L 1 0.21 1.0 1BO1003 EPA 8260D 02/01/21 15:32 RKY 1,2-Dichloropropane [78-87-5]A 0.10 u ug/L 1 0.10 1.0 1BO1003 EPA 8260D 02/01/21 15:32 RKY 1,4-Dichlorobenzene [106-46-7]A 0.19 u ug/L 1 0.19 1.0 1BO1003 EPA 8260D 02/01/21 15:32 RKY 2-Butanone [78-93-3]A 1.3 u ug/L 1 1.3 5.0 1BO1003 EPA 8260D 02/01/21 15:32 RKY 2-Hexanone [591-78-6]A 0.88 u ug/L 1 0.88 5.0 1BO1003 EPA 8260D 02/01/21 15:32 RKY 4-Methyl-2-pentanone [108-10-1]A 1.1 u ug/L 1 1.1 5.0 1BO1003 EPA 8260D 02/01/21 15:32 RKY Acetone [67-64-1]A 10 u ug/L 1 10 20 1BO1003 EPA 8260D 02/01/21 15:32 RKY Acrylonitrile [107-13-1]A 3.5 u ug/L 1 3.5 10 1BO1003 EPA 8260D 02/01/21 15:32 RKY Benzene[71-43-2]A 0.15 u ug/L 1 0.15 1.0 1BO1003 EPA 8260D 02/01/21 15:32 RKY Bromochloromethane [74-97-5]A 0.48 u ug/L 1 0.48 1.0 1BO1003 EPA 8260D 02/01/21 15:32 RKY QV-01 Bromodichloromethane [75-27-4]A 0.17 u ug/L 1 0.17 1.0 1BO1003 EPA 8260D 02/01/21 15:32 RKY Bromoform [75-25-2]A 0.22 u ug/L 1 0.22 1.0 1BO1003 EPA 8260D 02/01/21 15:32 RKY Bromomethane [74-83-9]A 0.14 u ug/L 1 0.14 1.0 1BO1003 EPA 8260D 02/01/21 15:32 RKY Carbon disulfide [75-15-0]A 1.5 u ug/L 1 1.5 5.0 1BO1003 EPA 8260D 02/01/21 15:32 RKY Carbon tetrachloride [56-23-5]A 0.17 u ug/L 1 0.17 1.0 1BO1003 EPA 8260D 02/01/21 15:32 RKY Chlorobenzene [108-90-7]A 0.17 u ug/L 1 0.17 1.0 1BO1003 EPA 8260D 02/01/21 15:32 RKY Chloroethane [75-00-3]A 0.23 u ug/L 1 0.23 1.0 1BO1003 EPA 8260D 02/01/21 15:32 RKY Chloroform [67-66-3]A 0.18 u ug/L 1 0.18 1.0 1BO1003 EPA 8260D 02/01/21 15:32 RKY Chloromethane [74-87-3]A 0.13 u ug/L 1 0.13 1.0 1BO1003 EPA 8260D 02/01/21 15:32 RKY cis-1,2-Dichloroethene [156-59-2]A 0.15 u ug/L 1 0.15 1.0 1BO1003 EPA 8260D 02/01/21 15:32 RKY cis-1,3-Dichloropropene [10061-01-5]A 0.20 u ug/L 1 0.20 1.0 1BO1003 EPA 8260D 02/01/21 15:32 RKY Dibromochloromethane [124-48-1]A 0.17 u ug/L 1 0.17 1.0 1BO1003 EPA 8260D 02/01/21 15:32 RKY Dibromomethane [74-95-3]A 0.27 u ug/L 1 0.27 1.0 1BO1003 EPA 8260D 02/01/21 15:32 RKY Ethylbenzene [100-41-4]A 0.13 u ug/L 1 0.13 1.0 1BO1003 EPA 8260D 02/01/21 15:32 RKY Iodomethane [74-88-4]A 1.7 u ug/L 1 1.7 5.0 1BO1003 EPA 8260D 02/01/21 15:32 RKY Methylene chloride [75-09-2]A 0.23 u ug/L 1 0.23 1.0 1BO1003 EPA 8260D 02/01/21 15:32 RKY Styrene[100-42-5]A 0.11 u ug/L 1 0.11 1.0 1BO1003 EPA 8260D 02/01/21 15:32 RKY Tetrachloroethene [127-18-4]A 0.45 1 ug/L 1 0.17 1.0 IB01003 EPA 8260D 02/01/21 15:32 RKY Toluene [108-88-3]A 0.14 u ug/L 1 0.14 1.0 1BO1003 EPA 8260D 02/01/21 15:32 RKY trans-1,2-Dichloroethene [156-60-5]A 0.21 u ug/L 1 0.21 1.0 1BO1003 EPA 8260D 02/01/21 15:32 RKY trans-1,3-Dichloropropene [10061-02-6]A 0.15 u ug/L 1 0.15 1.0 1BO1003 EPA 8260D 02/01/21 15:32 RKY trans-1,4-Dichloro-2-butene [110-57-6]A 0.70 u ug/L 1 0.70 1.0 1BO1003 EPA 8260D 02/01/21 15:32 RKY QV-01 Trichloroethene [79-01-6]A 0.15 u ug/L 1 0.15 1.0 1BO1003 EPA 8260D 02/01/21 15:32 RKY Trichlorofluoromethane [75-69-4]A 0.24 u ug/L 1 0.24 1.0 1BO1003 EPA 8260D 02/01/21 15:32 RKY Vinyl acetate [108-05-4]A 0.95 u ug/L 1 0.95 5.0 1BO1003 EPA 8260D 02/01/21 15:32 RKY QV-01 Vinyl chloride [75-01-4]A 0.32 u ug/L 1 0.32 1.0 1BO1003 EPA 8260D 02/01/21 15:32 RKY Xylenes (Total) [1330-20-7]A 0.45 u ug/L 1 0.45 3.0 1BO1003 EPA 8260D 02/01/21 15:32 RKY FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 11 Of 73 (� �Eo www.encolabs.com ANALYTICAL RESULTS Description: 8003-MW7 Lab Sample ID:CE00222-02 Received: 01/28/21 10:30 Matrix: Ground Water Sampled:01/26/21 16:15 Work Order: CE00222 Project: Rowan County Active Landfills Sampled By: Darren Cox 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 46 1 50.0 92 % 53-136 1B01003 EPA 6260D 02101121 15:32 RKY Dibromofluoromethane 48 1 50.0 96 % 67-129 1B01003 EPA 6260D 02101121 15:32 RKY Toluene-d8 60 1 50.0 120 % 59-134 1B01003 EPA 6260D 02101121 15:32 RKY 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 [7440-36-0]^ 0.740 U ug/L 2 0.740 2.00 1A28032 EPA 6020B 02/02/21 12:10 RLF Arsenic[7440-38-2]^ 7.60 U ug/L 1 7.60 10.0 1A28030 EPA 6010D 02/03/21 10:52 JDH Barium [7440-39-3]^ 64.3 ug/L 1 1.10 10.0 1A28030 EPA 6010D 02/03/21 10:52 JDH Beryllium [7440-41-7]^ 0.181 J ug/L 1 0.160 1.00 1A28030 EPA 6010D 02/03/21 10:52 JDH Cadmium [7440-43-9]^ 0.360 U ug/L 1 0.360 1.00 1A28030 EPA 6010D 02/03/21 10:52 JDH Chromium [7440-47-3]^ 4.71 J ug/L 1 1.40 10.0 1A28030 EPA 6010D 02/03/21 10:52 JDH Cobalt[7440-48-4]^ 1.40 U ug/L 1 1.40 10.0 1A28030 EPA 6010D 02/03/21 10:52 JDH Copper[7440-50-8]^ 1.60 U ug/L 1 1.60 10.0 1A28030 EPA 6010D 02/03/21 10:52 JDH Lead [7439-92-1]^ 3.10 U ug/L 1 3.10 10.0 1A28030 EPA 6010D 02/03/21 10:52 JDH Nickel[7440-02-0]^ 2.20 U ug/L 1 2.20 10.0 1A28030 EPA 6010D 02/03/21 10:52 JDH Selenium [7782-49-2]^ 6.20 U ug/L 1 6.20 10.0 1A28030 EPA 6010D 02/03/21 10:52 JDH Silver [7440-22-4]^ 1.90 U ug/L 1 1.90 10.0 1A28030 EPA 6010D 02/03/21 10:52 JDH Thallium [7440-28-0]^ 0.220 U ug/L 2 0.220 2.00 1A28032 EPA 6020B 02/02/21 12:10 RLF Vanadium [7440-62-2]^ 1.40 U ug/L 1 1.40 10.0 1A28030 EPA 6010D 02/03/21 10:52 JDH Zinc [7440-66-6]^ 4.40 U ug/L 1 4.40 10.0 1A28030 EPA 6010D 02/03/21 10:52 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 %3 00� www.encolabs.com ANALYTICAL RESULTS Description: 8003-MW9 Lab Sample ID:CE00222-03 Received: 01/28/21 10:30 Matrix: Ground Water Sampled: 01/26/2109:39 Work Order: CE00222 Project: Rowan County Active Landfills Sampled By: Darren Cox Volatile Organic Compounds by GCMS ^ - ENCO Cary certfied anaiyte [NC 591] Analyte ICAS Numberl Results Flaa Units DF MDL P L Batch Method Analyzed By Notes 1,1,1,2-Tetrachloroethane [630-20-6]A 0.17 u ug/L 1 0.17 1.0 1BO1003 EPA 8260D 02/01/21 16:02 RKY 1,1,1-Trichloroethane [71-55-6]A 0.12 u ug/L 1 0.12 1.0 1BO1003 EPA 8260D 02/01/21 16:02 RKY 1,1,2,2-Tetrachloroethane [79-34-5]A 0.28 u ug/L 1 0.28 1.0 1BO1003 EPA 8260D 02/01/21 16:02 RKY 1,1,2-Trichloroethane [79-00-5]A 0.14 u ug/L 1 0.14 1.0 1BO1003 EPA 8260D 02/01/21 16:02 RKY 1,1-Dichloroethane [75-34-3]^ 0.13 u ug/L 1 0.13 1.0 1BO1003 EPA 8260D 02/01/21 16:02 RKY 1,1-Dichloroethene [75-35-4]^ 0.21 u ug/L 1 0.21 1.0 1BO1003 EPA 8260D 02/01/21 16:02 RKY 1,2,3-Trichloropropane [96-18-4]^ 0.23 u ug/L 1 0.23 1.0 1BO1003 EPA 8260D 02/01/21 16:02 RKY 1,2-Dibromo-3-chloropropane [96-12-8]^ 0.48 u ug/L 1 0.48 1.0 1BO1003 EPA 8260D 02/01/21 16:02 RKY 1,2-Dibromoethane [106-93-4]^ 0.66 u ug/L 1 0.66 1.0 1BO1003 EPA 8260D 02/01/21 16:02 RKY 1,2-Dichlorobenzene [95-50-1]^ 0.19 u ug/L 1 0.19 1.0 1BO1003 EPA 8260D 02/01/21 16:02 RKY 1,2-Dichloroethane [107-06-2]^ 0.21 u ug/L 1 0.21 1.0 1BO1003 EPA 8260D 02/01/21 16:02 RKY 1,2-Dichloropropane [78-87-5]^ 0.10 u ug/L 1 0.10 1.0 1BO1003 EPA 8260D 02/01/21 16:02 RKY 1,4-Dichlorobenzene [106-46-7]^ 0.19 u ug/L 1 0.19 1.0 1BO1003 EPA 8260D 02/01/21 16:02 RKY 2-Butanone [78-93-3]A 1.3 u ug/L 1 1.3 5.0 1BO1003 EPA 8260D 02/01/21 16:02 RKY 2-Hexanone [591-78-6]A 0.88 u ug/L 1 0.88 5.0 1BO1003 EPA 8260D 02/01/21 16:02 RKY 4-Methyl-2-pentanone [108-10-1]^ 1.1 u ug/L 1 1.1 5.0 1BO1003 EPA 8260D 02/01/21 16:02 RKY Acetone [67-64-1]A 10 u ug/L 1 10 20 1BO1003 EPA 8260D 02/01/21 16:02 RKY Acrylonitrile [107-13-1]^ 3.5 u ug/L 1 3.5 10 1BO1003 EPA 8260D 02/01/21 16:02 RKY Benzene[71-43-2]A 0.15 u ug/L 1 0.15 1.0 1BO1003 EPA 8260D 02/01/21 16:02 RKY Bromochloromethane [74-97-5]A 0.48 u ug/L 1 0.48 1.0 1BO1003 EPA 8260D 02/01/21 16:02 RKY QV-01 Bromodichloromethane [75-27-4]^ 0.17 u ug/L 1 0.17 1.0 1BO1003 EPA 8260D 02/01/21 16:02 RKY Bromoform [75-25-2]^ 0.22 u ug/L 1 0.22 1.0 1BO1003 EPA 8260D 02/01/21 16:02 RKY Bromomethane [74-83-9]A 0.14 u ug/L 1 0.14 1.0 1BO1003 EPA 8260D 02/01/21 16:02 RKY Carbon disulfide [75-15-0]A 1.5 u ug/L 1 1.5 5.0 1BO1003 EPA 8260D 02/01/21 16:02 RKY Carbon tetrachloride [56-23-5]A 0.17 u ug/L 1 0.17 1.0 1BO1003 EPA 8260D 02/01/21 16:02 RKY Chlorobenzene [108-90-7]A 0.17 u ug/L 1 0.17 1.0 1BO1003 EPA 8260D 02/01/21 16:02 RKY Chloroethane [75-00-3]A 0.23 u ug/L 1 0.23 1.0 1BO1003 EPA 8260D 02/01/21 16:02 RKY Chloroform [67-66-3]^ 0.18 u ug/L 1 0.18 1.0 1BO1003 EPA 8260D 02/01/21 16:02 RKY Chloromethane [74-87-3]A 0.13 u ug/L 1 0.13 1.0 1BO1003 EPA 8260D 02/01/21 16:02 RKY cis-1,2-Dichloroethene [156-59-2]^ 0.15 u ug/L 1 0.15 1.0 1BO1003 EPA 8260D 02/01/21 16:02 RKY cis-1,3-Dichloropropene [10061-01-5]A 0.20 u ug/L 1 0.20 1.0 1BO1003 EPA 8260D 02/01/21 16:02 RKY Dibromochloromethane [124-48-1]A 0.17 u ug/L 1 0.17 1.0 1BO1003 EPA 8260D 02/01/21 16:02 RKY Dibromomethane [74-95-3]A 0.27 u ug/L 1 0.27 1.0 1BO1003 EPA 8260D 02/01/21 16:02 RKY Ethylbenzene [100-41-4]A 0.13 u ug/L 1 0.13 1.0 1BO1003 EPA 8260D 02/01/21 16:02 RKY Iodomethane [74-88-4]^ 1.7 u ug/L 1 1.7 5.0 1BO1003 EPA 8260D 02/01/21 16:02 RKY Methylene chloride [75-09-2]A 0.23 u ug/L 1 0.23 1.0 1BO1003 EPA 8260D 02/01/21 16:02 RKY Styrene[100-42-5]A 0.11 u ug/L 1 0.11 1.0 1BO1003 EPA 8260D 02/01/21 16:02 RKY Tetrachloroethene [127-18-4]A 0.17 u ug/L 1 0.17 1.0 1BO1003 EPA 8260D 02/01/21 16:02 RKY Toluene [108-88-3]^ 0.14 u ug/L 1 0.14 1.0 1BO1003 EPA 8260D 02/01/21 16:02 RKY trans-1,2-Dichloroethene [156-60-5]^ 0.21 u ug/L 1 0.21 1.0 1BO1003 EPA 8260D 02/01/21 16:02 RKY trans-1,3-Dichloropropene [10061-02-6]^ 0.15 u ug/L 1 0.15 1.0 1BO1003 EPA 8260D 02/01/21 16:02 RKY trans-1,4-Dichloro-2-butene [110-57-6]A 0.70 u ug/L 1 0.70 1.0 1BO1003 EPA 8260D 02/01/21 16:02 RKY QV-01 Trichloroethene [79-01-6]^ 0.15 u ug/L 1 0.15 1.0 1BO1003 EPA 8260D 02/01/21 16:02 RKY Trichlorofluoromethane [75-69-4]^ 0.24 u ug/L 1 0.24 1.0 1BO1003 EPA 8260D 02/01/21 16:02 RKY Vinyl acetate [108-05-4]A 0.95 u ug/L 1 0.95 5.0 1BO1003 EPA 8260D 02/01/21 16:02 RKY QV-01 Vinyl chloride [75-01-4]^ 0.32 u ug/L 1 0.32 1.0 1BO1003 EPA 8260D 02/01/21 16:02 RKY Xylenes (Total) [1330-20-7]A 0.45 u ug/L 1 0.45 3.0 1BO1003 EPA 8260D 02/01/21 16:02 RKY FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 13 Of 73 (� �Eo www.encolabs.com ANALYTICAL RESULTS Description: 8003-MW9 Lab Sample ID:CE00222-03 Received: 01/28/21 10:30 Matrix: Ground Water Sampled: 01/26/2109:39 Work Order: CE00222 Project: Rowan County Active Landfills Sampled By: Darren Cox 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 IB01003 EPA 6260D 02101121 16:02 RKY Dibromofluoromethane 49 1 50.0 97 % 67-129 IB01003 EPA 6260D 02101121 16:02 RKY Toluene-d8 62 1 50.0 124 % 59-134 IB01003 EPA 6260D 02101121 16:02 RKY 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[7440-36-0]^ 0.740 U ug/L 2 0.740 2.00 1A28032 EPA 6020B 02/02/21 12:24 RLF Arsenic[7440-38-2]^ 7.60 U ug/L 1 7.60 10.0 1A28030 EPA 6010D 02/03/21 10:58 JDH Barium [7440-39-3]^ 64.8 ug/L 1 1.10 10.0 1A28030 EPA 6010D 02/03/21 10:58 JDH Beryllium [7440-41-7]^ 0.160 U ug/L 1 0.160 1.00 1A28030 EPA 6010D 02/03/21 10:58 JDH Cadmium [7440-43-9]^ 0.360 U ug/L 1 0.360 1.00 1A28030 EPA 6010D 02/03/21 10:58 JDH Chromium [7440-47-3]^ 2.59 J ug/L 1 1.40 10.0 1A28030 EPA 6010D 02/03/21 10:58 JDH Cobalt[7440-48-4]^ 1.40 U ug/L 1 1.40 10.0 1A28030 EPA 6010D 02/03/21 10:58 JDH Copper[7440-50-8]^ 3.74 J ug/L 1 1.60 10.0 1A28030 EPA 6010D 02/03/21 10:58 JDH Lead [7439-92-1]^ 3.10 U ug/L 1 3.10 10.0 1A28030 EPA 6010D 02/03/21 10:58 JDH Nickel[7440-02-O]^ 7.92 J ug/L 1 2.20 10.0 1A28030 EPA 6010D 02/03/21 10:58 JDH Selenium [7782-49-2]^ 6.20 U ug/L 1 6.20 10.0 1A28030 EPA 6010D 02/03/21 10:58 JDH Silver [7440-22-4]^ 1.90 U ug/L 1 1.90 10.0 1A28030 EPA 6010D 02/03/21 10:58 JDH Thallium [7440-28-0]^ 0.220 U ug/L 2 0.220 2.00 1A28032 EPA 6020B 02/02/21 12:24 RLF Vanadium [7440-62-2]^ 2.52 J ug/L 1 1.40 10.0 1A28030 EPA 6010D 02/03/21 10:58 JDH Zinc [7440-66-6]^ 4.40 U ug/L 1 4.40 10.0 1A28030 EPA 6010D 02/03/21 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 14 of %3 00� www.encolabs.com ANALYTICAL RESULTS Description: 8003-MWll Lab Sample ID:CE00222-04 Received: 01/28/21 10:30 Matrix: Ground Water Sampled:01/26/21 11:10 Work Order: CE00222 Project: Rowan County Active Landfills Sampled By: Darren Cox Volatile Organic Compounds by GCMS ^ - ENCO Cary certfied anaiyte [NC 591] Analyte ICAS Numberl Results Flaa Units DF MDL P L Batch Method Analyzed By Notes 1,1,1,2-Tetrachloroethane [630-20-6]A 0.17 u ug/L 1 0.17 1.0 1BO1003 EPA 8260D 02/01/21 16:35 RKY 1,1,1-Trichloroethane [71-55-6]A 0.12 u ug/L 1 0.12 1.0 1BO1003 EPA 8260D 02/01/21 16:35 RKY 1,1,2,2-Tetrachloroethane [79-34-5]A 0.28 u ug/L 1 0.28 1.0 1BO1003 EPA 8260D 02/01/21 16:35 RKY 1,1,2-Trichloroethane [79-00-5]A 0.14 u ug/L 1 0.14 1.0 1BO1003 EPA 8260D 02/01/21 16:35 RKY 1,1-Dichloroethane [75-34-3]^ 0.13 u ug/L 1 0.13 1.0 1BO1003 EPA 8260D 02/01/21 16:35 RKY 1,1-Dichloroethene [75-35-4]^ 0.21 u ug/L 1 0.21 1.0 1BO1003 EPA 8260D 02/01/21 16:35 RKY 1,2,3-Trichloropropane [96-18-4]^ 0.23 u ug/L 1 0.23 1.0 1BO1003 EPA 8260D 02/01/21 16:35 RKY 1,2-Dibromo-3-chloropropane [96-12-8]^ 0.48 u ug/L 1 0.48 1.0 1BO1003 EPA 8260D 02/01/21 16:35 RKY 1,2-Dibromoethane [106-93-4]^ 0.66 u ug/L 1 0.66 1.0 1BO1003 EPA 8260D 02/01/21 16:35 RKY 1,2-Dichlorobenzene [95-50-1]^ 0.19 u ug/L 1 0.19 1.0 1BO1003 EPA 8260D 02/01/21 16:35 RKY 1,2-Dichloroethane [107-06-2]^ 0.21 u ug/L 1 0.21 1.0 1BO1003 EPA 8260D 02/01/21 16:35 RKY 1,2-Dichloropropane [78-87-5]^ 0.10 u ug/L 1 0.10 1.0 1BO1003 EPA 8260D 02/01/21 16:35 RKY 1,4-Dichlorobenzene [106-46-7]^ 0.19 u ug/L 1 0.19 1.0 1BO1003 EPA 8260D 02/01/21 16:35 RKY 2-Butanone [78-93-3]A 1.3 u ug/L 1 1.3 5.0 1BO1003 EPA 8260D 02/01/21 16:35 RKY 2-Hexanone [591-78-6]A 0.88 u ug/L 1 0.88 5.0 1BO1003 EPA 8260D 02/01/21 16:35 RKY 4-Methyl-2-pentanone [108-10-1]^ 1.1 u ug/L 1 1.1 5.0 1BO1003 EPA 8260D 02/01/21 16:35 RKY Acetone [67-64-1]A 10 u ug/L 1 10 20 1BO1003 EPA 8260D 02/01/21 16:35 RKY Acrylonitrile [107-13-1]^ 3.5 u ug/L 1 3.5 10 1BO1003 EPA 8260D 02/01/21 16:35 RKY Benzene[71-43-2]A 0.15 u ug/L 1 0.15 1.0 1BO1003 EPA 8260D 02/01/21 16:35 RKY Bromochloromethane [74-97-5]A 0.48 u ug/L 1 0.48 1.0 1BO1003 EPA 8260D 02/01/21 16:35 RKY QV-01 Bromodichloromethane [75-27-4]^ 0.17 u ug/L 1 0.17 1.0 1BO1003 EPA 8260D 02/01/21 16:35 RKY Bromoform [75-25-2]^ 0.22 u ug/L 1 0.22 1.0 1BO1003 EPA 8260D 02/01/21 16:35 RKY Bromomethane [74-83-9]A 0.14 u ug/L 1 0.14 1.0 1BO1003 EPA 8260D 02/01/21 16:35 RKY Carbon disulfide [75-15-0]A 1.5 u ug/L 1 1.5 5.0 1BO1003 EPA 8260D 02/01/21 16:35 RKY Carbon tetrachloride [56-23-5]A 0.17 u ug/L 1 0.17 1.0 1BO1003 EPA 8260D 02/01/21 16:35 RKY Chlorobenzene [108-90-7]A 0.17 u ug/L 1 0.17 1.0 1BO1003 EPA 8260D 02/01/21 16:35 RKY Chloroethane [75-00-3]A 0.23 u ug/L 1 0.23 1.0 1BO1003 EPA 8260D 02/01/21 16:35 RKY Chloroform [67-66-3]^ 0.18 u ug/L 1 0.18 1.0 1BO1003 EPA 8260D 02/01/21 16:35 RKY Chloromethane [74-87-3]A 0.13 u ug/L 1 0.13 1.0 1BO1003 EPA 8260D 02/01/21 16:35 RKY cis-1,2-Dichloroethene [156-59-2]^ 0.15 u ug/L 1 0.15 1.0 1BO1003 EPA 8260D 02/01/21 16:35 RKY cis-1,3-Dichloropropene [10061-01-5]A 0.20 u ug/L 1 0.20 1.0 1BO1003 EPA 8260D 02/01/21 16:35 RKY Dibromochloromethane [124-48-1]A 0.17 u ug/L 1 0.17 1.0 1BO1003 EPA 8260D 02/01/21 16:35 RKY Dibromomethane [74-95-3]A 0.27 u ug/L 1 0.27 1.0 1BO1003 EPA 8260D 02/01/21 16:35 RKY Ethylbenzene [100-41-4]A 0.13 u ug/L 1 0.13 1.0 1BO1003 EPA 8260D 02/01/21 16:35 RKY Iodomethane [74-88-4]^ 1.7 u ug/L 1 1.7 5.0 1BO1003 EPA 8260D 02/01/21 16:35 RKY Methylene chloride [75-09-2]A 0.23 u ug/L 1 0.23 1.0 1BO1003 EPA 8260D 02/01/21 16:35 RKY Styrene[100-42-5]A 0.11 u ug/L 1 0.11 1.0 1BO1003 EPA 8260D 02/01/21 16:35 RKY Tetrachloroethene [127-18-4]A 0.17 u ug/L 1 0.17 1.0 1BO1003 EPA 8260D 02/01/21 16:35 RKY Toluene [108-88-3]^ 0.14 u ug/L 1 0.14 1.0 1BO1003 EPA 8260D 02/01/21 16:35 RKY trans-1,2-Dichloroethene [156-60-5]^ 0.21 u ug/L 1 0.21 1.0 1BO1003 EPA 8260D 02/01/21 16:35 RKY trans-1,3-Dichloropropene [10061-02-6]^ 0.15 u ug/L 1 0.15 1.0 1BO1003 EPA 8260D 02/01/21 16:35 RKY trans-1,4-Dichloro-2-butene [110-57-6]A 0.70 u ug/L 1 0.70 1.0 1BO1003 EPA 8260D 02/01/21 16:35 RKY QV-01 Trichloroethene [79-01-6]^ 0.15 u ug/L 1 0.15 1.0 1BO1003 EPA 8260D 02/01/21 16:35 RKY Trichlorofluoromethane [75-69-4]^ 0.24 u ug/L 1 0.24 1.0 1BO1003 EPA 8260D 02/01/21 16:35 RKY Vinyl acetate [108-05-4]A 0.95 u ug/L 1 0.95 5.0 1BO1003 EPA 8260D 02/01/21 16:35 RKY QV-01 Vinyl chloride [75-01-4]^ 0.32 u ug/L 1 0.32 1.0 1BO1003 EPA 8260D 02/01/21 16:35 RKY Xylenes (Total) [1330-20-7]A 0.45 u ug/L 1 0.45 3.0 1BO1003 EPA 8260D 02/01/21 16:35 RKY FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 15 Of 73 (� �Eo www.encolabs.com ANALYTICAL RESULTS Description: 8003-MWll Lab Sample ID:CE00222-04 Received: 01/28/21 10:30 Matrix: Ground Water Sampled:01/26/21 11:10 Work Order: CE00222 Project: Rowan County Active Landfills Sampled By: Darren Cox 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 49 1 50.0 98 % 53-136 IB01003 EPA 8260D 02101121 16:35 RKY Dibromofluoromethane 51 1 50.0 102 % 67-129 IB01003 EPA 8260D 02101121 16:35 RKY Toluene-& 61 1 50.0 121 % 59-134 IB01003 EPA 6260D 02101121 16:35 RKY 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[7440-36-0]^ 0.740 U ug/L 2 0.740 2.00 1A28032 EPA 6020B 02/02/21 12:28 RLF Arsenic [7440-38-2]^ 7.60 U ug/L 1 7.60 10.0 1A28030 EPA 6010D 02/03/21 11:05 JDH Barium [7440-39-3]^ 40.8 ug/L 1 1.10 10.0 1A28030 EPA 6010D 02/03/21 11:05 JDH Beryllium [7440-41-7]^ 0.160 U ug/L 1 0.160 1.00 1A28030 EPA 6010D 02/03/21 11:05 JDH Cadmium [7440-43-9]^ 0.360 U ug/L 1 0.360 1.00 1A28030 EPA 6010D 02/03/21 11:05 JDH Chromium [7440-47-3]^ 1.40 U ug/L 1 1.40 10.0 1A28030 EPA 6010D 02/03/21 11:05 JDH Cobalt [7440-48-4]^ 1.40 U ug/L 1 1.40 10.0 1A28030 EPA 6010D 02/03/21 11:05 JDH Copper[7440-50-8]^ 1.60 U ug/L 1 1.60 10.0 1A28030 EPA 6010D 02/03/21 11:05 JDH Lead [7439-92-1]^ 3.10 U ug/L 1 3.10 10.0 1A28030 EPA 6010D 02/03/21 11:05 JDH Nickel[7440-02-0]^ 2.20 U ug/L 1 2.20 10.0 1A28030 EPA 6010D 02/03/21 11:05 JDH Selenium [7782-49-2]^ 6.20 U ug/L 1 6.20 10.0 1A28030 EPA 6010D 02/03/21 11:05 JDH Silver [7440-22-4]^ 1.90 U ug/L 1 1.90 10.0 1A28030 EPA 6010D 02/03/21 11:05 JDH Thallium [7440-28-0]^ 0.220 U ug/L 2 0.220 2.00 1A28032 EPA 6020B 02/02/21 12:28 RLF Vanadium [7440-62-2]^ 1.40 U ug/L 1 1.40 10.0 1A28030 EPA 6010D 02/03/21 11:05 JDH Zinc [7440-66-6]^ 4.40 U ug/L 1 4.40 10.0 1A28030 EPA 6010D 02/03/21 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 16 of %3 00� www.encolabs.com ANALYTICAL RESULTS Description: 8003-MW12 (MS/MSD) Lab Sample ID:CE00222-05 Received: 01/28/21 10:30 Matrix: Ground Water Sampled:01/26/21 10:15 Work Order: CE00222 Project: Rowan County Active Landfills Sampled By: Darren Cox Volatile Organic Compounds by GCMS ^ - ENCO Cary certfied anaiyte [NC 591] Analyte ICAS Numberl Results Flaa Units DF MDL P L Batch Method Analyzed By Notes 1,1,1,2-Tetrachloroethane [630-20-6]A 0.17 u ug/L 1 0.17 1.0 IA29017 EPA 8260D 01/29/21 20:59 RKY 1,1,1-Trichloroethane [71-55-6]A 0.12 u ug/L 1 0.12 1.0 IA29017 EPA 8260D 01/29/21 20:59 RKY 1,1,2,2-Tetrachloroethane [79-34-5]A 0.28 u ug/L 1 0.28 1.0 IA29017 EPA 8260D 01/29/21 20:59 RKY 1,1,2-Trichloroethane [79-00-5]A 0.14 u ug/L 1 0.14 1.0 IA29017 EPA 8260D 01/29/21 20:59 RKY 1,1-Dichloroethane [75-34-3]^ 0.13 u ug/L 1 0.13 1.0 IA29017 EPA 8260D 01/29/21 20:59 RKY 1,1-Dichloroethene [75-35-4]^ 0.21 u ug/L 1 0.21 1.0 IA29017 EPA 8260D 01/29/21 20:59 RKY 1,2,3-Trichloropropane [96-18-4]^ 0.23 u ug/L 1 0.23 1.0 IA29017 EPA 8260D 01/29/21 20:59 RKY 1,2-Dibromo-3-chloropropane [96-12-8]^ 0.48 u ug/L 1 0.48 1.0 IA29017 EPA 8260D 01/29/21 20:59 RKY 1,2-Dibromoethane [106-93-4]^ 0.66 u ug/L 1 0.66 1.0 IA29017 EPA 8260D 01/29/21 20:59 RKY 1,2-Dichlorobenzene [95-50-1]^ 0.19 u ug/L 1 0.19 1.0 IA29017 EPA 8260D 01/29/21 20:59 RKY 1,2-Dichloroethane [107-06-2]^ 0.21 u ug/L 1 0.21 1.0 IA29017 EPA 8260D 01/29/21 20:59 RKY 1,2-Dichloropropane [78-87-5]^ 0.10 u ug/L 1 0.10 1.0 IA29017 EPA 8260D 01/29/21 20:59 RKY 1,4-Dichlorobenzene [106-46-7]^ 0.19 u ug/L 1 0.19 1.0 IA29017 EPA 8260D 01/29/21 20:59 RKY 2-Butanone [78-93-3]A 1.3 u ug/L 1 1.3 5.0 IA29017 EPA 8260D 01/29/21 20:59 RKY 2-Hexanone [591-78-6]A 0.88 u ug/L 1 0.88 5.0 IA29017 EPA 8260D 01/29/21 20:59 RKY 4-Methyl-2-pentanone [108-10-1]^ 1.1 u ug/L 1 1.1 5.0 IA29017 EPA 8260D 01/29/21 20:59 RKY Acetone [67-64-1]A 10 u ug/L 1 10 20 IA29017 EPA 8260D 01/29/21 20:59 RKY Acrylonitrile [107-13-1]^ 3.5 u ug/L 1 3.5 10 IA29017 EPA 8260D 01/29/21 20:59 RKY Benzene[71-43-2]A 0.15 u ug/L 1 0.15 1.0 IA29017 EPA 8260D 01/29/21 20:59 RKY Bromochloromethane [74-97-5]A 0.48 u ug/L 1 0.48 1.0 IA29017 EPA 8260D 01/29/21 20:59 RKY Bromodichloromethane [75-27-4]^ 0.17 u ug/L 1 0.17 1.0 IA29017 EPA 8260D 01/29/21 20:59 RKY Bromoform [75-25-2]^ 0.22 u ug/L 1 0.22 1.0 IA29017 EPA 8260D 01/29/21 20:59 RKY Bromomethane [74-83-9]A 0.14 u ug/L 1 0.14 1.0 IA29017 EPA 8260D 01/29/21 20:59 RKY Carbon disulfide [75-15-0]A 1.5 u ug/L 1 1.5 5.0 IA29017 EPA 8260D 01/29/21 20:59 RKY Carbon tetrachloride [56-23-5]A 0.17 u ug/L 1 0.17 1.0 IA29017 EPA 8260D 01/29/21 20:59 RKY Chlorobenzene[108-90-7]A 0.17 u ug/L 1 0.17 1.0 IA29017 EPA 8260D 01/29/21 20:59 RKY Chloroethane [75-00-3]A 0.23 u ug/L 1 0.23 1.0 IA29017 EPA 8260D 01/29/21 20:59 RKY Chloroform [67-66-3]^ 0.18 u ug/L 1 0.18 1.0 IA29017 EPA 8260D 01/29/21 20:59 RKY Chloromethane [74-87-3]A 0.13 u ug/L 1 0.13 1.0 IA29017 EPA 8260D 01/29/21 20:59 RKY cis-1,2-Dichloroethene [156-59-2]^ 0.15 u ug/L 1 0.15 1.0 IA29017 EPA 8260D 01/29/21 20:59 RKY cis-1,3-Dichloropropene [10061-01-5]A 0.20 u ug/L 1 0.20 1.0 IA29017 EPA 8260D 01/29/21 20:59 RKY Dibromochloromethane [124-48-1]A 0.17 u ug/L 1 0.17 1.0 IA29017 EPA 8260D 01/29/21 20:59 RKY Dibromomethane [74-95-3]A 0.27 u ug/L 1 0.27 1.0 IA29017 EPA 8260D 01/29/21 20:59 RKY Ethylbenzene[100-41-4]A 0.13 u ug/L 1 0.13 1.0 IA29017 EPA 8260D 01/29/21 20:59 RKY Iodomethane [74-88-4]^ 1.7 u ug/L 1 1.7 5.0 IA29017 EPA 8260D 01/29/21 20:59 RKY Methylene chloride [75-09-2]A 0.23 u ug/L 1 0.23 1.0 IA29017 EPA 8260D 01/29/21 20:59 RKY Styrene[100-42-5]A 0.11 u ug/L 1 0.11 1.0 IA29017 EPA 8260D 01/29/21 20:59 RKY Tetrachloroethene [127-18-4]A 0.17 u ug/L 1 0.17 1.0 IA29017 EPA 8260D 01/29/21 20:59 RKY Toluene [108-88-3]^ 0.14 u ug/L 1 0.14 1.0 IA29017 EPA 8260D 01/29/21 20:59 RKY trans-1,2-Dichloroethene [156-60-5]^ 0.21 u ug/L 1 0.21 1.0 IA29017 EPA 8260D 01/29/21 20:59 RKY trans-1,3-Dichloropropene [10061-02-6]^ 0.15 u ug/L 1 0.15 1.0 IA29017 EPA 8260D 01/29/21 20:59 RKY trans-1,4-Dichloro-2-butene [110-57-6]A 0.70 u ug/L 1 0.70 1.0 IA29017 EPA 8260D 01/29/21 20:59 RKY Trichloroethene [79-01-6]^ 0.15 u ug/L 1 0.15 1.0 IA29017 EPA 8260D 01/29/21 20:59 RKY Trichlorofluoromethane [75-69-4]^ 0.24 u ug/L 1 0.24 1.0 IA29017 EPA 8260D 01/29/21 20:59 RKY Vinyl acetate [108-05-4]A 0.95 u ug/L 1 0.95 5.0 IA29017 EPA 8260D 01/29/21 20:59 RKY Vinyl chloride [75-01-4]^ 0.32 u ug/L 1 0.32 1.0 IA29017 EPA 8260D 01/29/21 20:59 RKY QM-07 Xylenes (Total) [1330-20-7]A 0.45 u ug/L 1 0.45 3.0 IA29017 EPA 8260D 01/29/21 20:59 RKY FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 17 Of 73 (� �Eo www.encolabs.com ANALYTICAL RESULTS Description: 8003-MW12 (MS/MSD) Lab Sample ID:CE00222-05 Received: 01/28/21 10:30 Matrix: Ground Water Sampled:01/26/21 10:15 Work Order: CE00222 Project: Rowan County Active Landfills Sampled By: Darren Cox 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 47 1 50.0 93 % 53-136 IA29017 EPA 6260D 01129121 20:59 RKY Dibromofluoromethane 48 1 50.0 96 % 67-129 IA29017 EPA 6260D 01129121 20:59 RKY Toluene-d8 57 1 50.0 115 % 59-134 IA29017 EPA 6260D 01129121 20:59 RKY 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[7440-36-0]^ 0.740 U ug/L 2 0.740 2.00 1A28032 EPA 6020B 02/02/21 11:36 RLF Arsenic[7440-38-2]^ 7.60 U ug/L 1 7.60 10.0 1A28030 EPA 6010D 02/03/21 10:34 JDH Barium [7440-39-3]^ 55.8 ug/L 1 1.10 10.0 1A28030 EPA 6010D 02/03/21 10:34 JDH Beryllium [7440-41-7]^ 0.252 J ug/L 1 0.160 1.00 1A28030 EPA 6010D 02/03/21 10:34 JDH Cadmium [7440-43-9]^ 0.360 U ug/L 1 0.360 1.00 1A28030 EPA 6010D 02/03/21 10:34 JDH Chromium [7440-47-3]^ 1.40 U ug/L 1 1.40 10.0 1A28030 EPA 6010D 02/03/21 10:34 JDH Cobalt[7440-48-4]^ 1.40 U ug/L 1 1.40 10.0 1A28030 EPA 6010D 02/03/21 10:34 JDH Copper[7440-50-8]^ 1.60 U ug/L 1 1.60 10.0 1A28030 EPA 6010D 02/03/21 10:34 JDH Lead [7439-92-1]^ 3.10 U ug/L 1 3.10 10.0 1A28030 EPA 6010D 02/03/21 10:34 JDH Nickel[7440-02-0]^ 2.20 U ug/L 1 2.20 10.0 1A28030 EPA 6010D 02/03/21 10:34 JDH Selenium [7782-49-2]^ 6.20 U ug/L 1 6.20 10.0 1A28030 EPA 6010D 02/03/21 10:34 JDH Silver [7440-22-4]^ 1.90 U ug/L 1 1.90 10.0 1A28030 EPA 6010D 02/03/21 10:34 JDH Thallium [7440-28-0]^ 0.220 U ug/L 2 0.220 2.00 1A28032 EPA 6020B 02/02/21 11:36 RLF Vanadium [7440-62-2]^ 1.40 U ug/L 1 1.40 10.0 1A28030 EPA 6010D 02/03/21 10:34 JDH Zinc [7440-66-6]^ 4.40 U ug/L 1 4.40 10.0 1A28030 EPA 6010D 02/03/21 10:34 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 %3 00� www.encolabs.com ANALYTICAL RESULTS Description: 8003-MW13 Lab Sample ID:CE00222-06 Received: 01/28/21 10:30 Matrix: Ground Water Sampled: 01/26/2109:30 Work Order: CE00222 Project: Rowan County Active Landfills Sampled By: Darren Cox Volatile Organic Compounds by GCMS ^ - ENCO Cary certfied anaiyte [NC 591] Analyte ICAS Numberl Results Flaa Units DF MDL P L Batch Method Analyzed By Notes 1,1,1,2-Tetrachloroethane [630-20-6]A 0.17 u ug/L 1 0.17 1.0 IA29017 EPA 8260D 01/30/21 00:29 RKY 1,1,1-Trichloroethane [71-55-6]A 0.12 u ug/L 1 0.12 1.0 IA29017 EPA 8260D 01/30/21 00:29 RKY 1,1,2,2-Tetrachloroethane [79-34-5]A 0.28 u ug/L 1 0.28 1.0 IA29017 EPA 8260D 01/30/21 00:29 RKY 1,1,2-Trichloroethane [79-00-5]A 0.14 u ug/L 1 0.14 1.0 IA29017 EPA 8260D 01/30/21 00:29 RKY 1,1-Dichloroethane [75-34-3]^ 0.13 u ug/L 1 0.13 1.0 IA29017 EPA 8260D 01/30/21 00:29 RKY 1,1-Dichloroethene [75-35-4]^ 0.21 u ug/L 1 0.21 1.0 IA29017 EPA 8260D 01/30/21 00:29 RKY 1,2,3-Trichloropropane [96-18-4]^ 0.23 u ug/L 1 0.23 1.0 IA29017 EPA 8260D 01/30/21 00:29 RKY 1,2-Dibromo-3-chloropropane [96-12-8]^ 0.48 u ug/L 1 0.48 1.0 IA29017 EPA 8260D 01/30/21 00:29 RKY 1,2-Dibromoethane [106-93-4]^ 0.66 u ug/L 1 0.66 1.0 IA29017 EPA 8260D 01/30/21 00:29 RKY 1,2-Dichlorobenzene [95-50-1]^ 0.19 u ug/L 1 0.19 1.0 IA29017 EPA 8260D 01/30/21 00:29 RKY 1,2-Dichloroethane [107-06-2]^ 0.21 u ug/L 1 0.21 1.0 IA29017 EPA 8260D 01/30/21 00:29 RKY 1,2-Dichloropropane [78-87-5]^ 0.10 u ug/L 1 0.10 1.0 IA29017 EPA 8260D 01/30/21 00:29 RKY 1,4-Dichlorobenzene [106-46-7]^ 0.19 u ug/L 1 0.19 1.0 IA29017 EPA 8260D 01/30/21 00:29 RKY 2-Butanone [78-93-3]A 1.3 u ug/L 1 1.3 5.0 IA29017 EPA 8260D 01/30/21 00:29 RKY 2-Hexanone [591-78-6]A 0.88 u ug/L 1 0.88 5.0 IA29017 EPA 8260D 01/30/21 00:29 RKY 4-Methyl-2-pentanone [108-10-1]^ 1.1 u ug/L 1 1.1 5.0 IA29017 EPA 8260D 01/30/21 00:29 RKY Acetone [67-64-1]A 10 u ug/L 1 10 20 IA29017 EPA 8260D 01/30/21 00:29 RKY Acrylonitrile [107-13-1]^ 3.5 u ug/L 1 3.5 10 IA29017 EPA 8260D 01/30/21 00:29 RKY Benzene[71-43-2]A 0.15 u ug/L 1 0.15 1.0 IA29017 EPA 8260D 01/30/21 00:29 RKY Bromochloromethane [74-97-5]A 0.48 u ug/L 1 0.48 1.0 IA29017 EPA 8260D 01/30/21 00:29 RKY Bromodichloromethane [75-27-4]^ 0.17 u ug/L 1 0.17 1.0 IA29017 EPA 8260D 01/30/21 00:29 RKY Bromoform [75-25-2]^ 0.22 u ug/L 1 0.22 1.0 IA29017 EPA 8260D 01/30/21 00:29 RKY Bromomethane [74-83-9]A 0.14 u ug/L 1 0.14 1.0 IA29017 EPA 8260D 01/30/21 00:29 RKY Carbon disulfide [75-15-0]A 1.5 u ug/L 1 1.5 5.0 IA29017 EPA 8260D 01/30/21 00:29 RKY Carbon tetrachloride [56-23-5]A 0.17 u ug/L 1 0.17 1.0 IA29017 EPA 8260D 01/30/21 00:29 RKY Chlorobenzene[108-90-7]A 0.17 u ug/L 1 0.17 1.0 IA29017 EPA 8260D 01/30/21 00:29 RKY Chloroethane [75-00-3]A 0.23 u ug/L 1 0.23 1.0 IA29017 EPA 8260D 01/30/21 00:29 RKY Chloroform [67-66-3]^ 0.18 u ug/L 1 0.18 1.0 IA29017 EPA 8260D 01/30/21 00:29 RKY Chloromethane [74-87-3]A 0.13 u ug/L 1 0.13 1.0 IA29017 EPA 8260D 01/30/21 00:29 RKY cis-1,2-Dichloroethene [156-59-2]^ 0.15 u ug/L 1 0.15 1.0 IA29017 EPA 8260D 01/30/21 00:29 RKY cis-1,3-Dichloropropene [10061-01-5]A 0.20 u ug/L 1 0.20 1.0 IA29017 EPA 8260D 01/30/21 00:29 RKY Dibromochloromethane [124-48-1]A 0.17 u ug/L 1 0.17 1.0 IA29017 EPA 8260D 01/30/21 00:29 RKY Dibromomethane [74-95-3]A 0.27 u ug/L 1 0.27 1.0 IA29017 EPA 8260D 01/30/21 00:29 RKY Ethylbenzene[100-41-4]A 0.13 u ug/L 1 0.13 1.0 IA29017 EPA 8260D 01/30/21 00:29 RKY Iodomethane [74-88-4]^ 1.7 u ug/L 1 1.7 5.0 IA29017 EPA 8260D 01/30/21 00:29 RKY Methylene chloride [75-09-2]A 0.23 u ug/L 1 0.23 1.0 IA29017 EPA 8260D 01/30/21 00:29 RKY Styrene[100-42-5]A 0.11 u ug/L 1 0.11 1.0 IA29017 EPA 8260D 01/30/21 00:29 RKY Tetrachloroethene [127-18-4]A 0.17 u ug/L 1 0.17 1.0 IA29017 EPA 8260D 01/30/21 00:29 RKY Toluene [108-88-3]^ 0.14 u ug/L 1 0.14 1.0 IA29017 EPA 8260D 01/30/21 00:29 RKY trans-1,2-Dichloroethene [156-60-5]^ 0.21 u ug/L 1 0.21 1.0 IA29017 EPA 8260D 01/30/21 00:29 RKY trans-1,3-Dichloropropene [10061-02-6]^ 0.15 u ug/L 1 0.15 1.0 IA29017 EPA 8260D 01/30/21 00:29 RKY trans-1,4-Dichloro-2-butene [110-57-6]A 0.70 u ug/L 1 0.70 1.0 IA29017 EPA 8260D 01/30/21 00:29 RKY Trichloroethene [79-01-6]^ 0.15 u ug/L 1 0.15 1.0 IA29017 EPA 8260D 01/30/21 00:29 RKY Trichlorofluoromethane [75-69-4]^ 0.24 u ug/L 1 0.24 1.0 IA29017 EPA 8260D 01/30/21 00:29 RKY Vinyl acetate [108-05-4]A 0.95 u ug/L 1 0.95 5.0 IA29017 EPA 8260D 01/30/21 00:29 RKY Vinyl chloride [75-01-4]^ 0.32 u ug/L 1 0.32 1.0 IA29017 EPA 8260D 01/30/21 00:29 RKY Xylenes (Total) [1330-20-7]A 0.45 u ug/L 1 0.45 3.0 IA29017 EPA 8260D 01/30/21 00:29 RKY FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 19 Of 73 (� �Eo www.encolabs.com ANALYTICAL RESULTS Description: 8003-MW13 Lab Sample ID:CE00222-06 Received: 01/28/21 10:30 Matrix: Ground Water Sampled: 01/26/2109:30 Work Order: CE00222 Project: Rowan County Active Landfills Sampled By: Darren Cox 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 47 1 50.0 93 % 53-136 IA29017 EPA 6260D 01130121 00:29 RKY Dibromofluoromethane 49 1 50.0 99 % 67-129 IA29017 EPA 6260D 01130121 00:29 RKY Toluene-d8 59 1 50.0 119 % 59-134 IA29017 EPA 6260D 01130121 00:29 RKY 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[7440-36-0]^ 0.740 U ug/L 2 0.740 2.00 1A28032 EPA 6020B 02/02/21 12:32 RLF Arsenic [7440-38-2]^ 7.60 U ug/L 1 7.60 10.0 1A28030 EPA 6010D 02/03/21 11:08 JDH Barium [7440-39-3]^ 87.0 ug/L 1 1.10 10.0 1A28030 EPA 6010D 02/03/21 11:08 JDH Beryllium [7440-41-7]^ 0.160 U ug/L 1 0.160 1.00 1A28030 EPA 6010D 02/03/21 11:08 JDH Cadmium [7440-43-9]^ 0.360 U ug/L 1 0.360 1.00 1A28030 EPA 6010D 02/03/21 11:08 JDH Chromium [7440-47-3]^ 1.57 J ug/L 1 1.40 10.0 1A28030 EPA 6010D 02/03/21 11:08 JDH Cobalt [7440-48-4]^ 1.40 U ug/L 1 1.40 10.0 1A28030 EPA 6010D 02/03/21 11:08 JDH Copper[7440-50-8]^ 2.74 J ug/L 1 1.60 10.0 1A28030 EPA 6010D 02/03/21 11:08 JDH Lead [7439-92-1]^ 3.10 U ug/L 1 3.10 10.0 1A28030 EPA 6010D 02/03/21 11:08 JDH Nickel[7440-02-0]^ 2.20 U ug/L 1 2.20 10.0 1A28030 EPA 6010D 02/03/21 11:08 JDH Selenium [7782-49-2]^ 6.20 U ug/L 1 6.20 10.0 1A28030 EPA 6010D 02/03/21 11:08 JDH Silver [7440-22-4]^ 1.90 U ug/L 1 1.90 10.0 1A28030 EPA 6010D 02/03/21 11:08 JDH Thallium [7440-28-0]^ 0.220 U ug/L 2 0.220 2.00 1A28032 EPA 6020B 02/02/21 12:32 RLF Vanadium [7440-62-2]^ 2.92 J ug/L 1 1.40 10.0 1A28030 EPA 6010D 02/03/21 11:08 JDH Zinc [7440-66-6]^ 4.40 U ug/L 1 4.40 10.0 1A28030 EPA 6010D 02/03/21 11:08 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 %3 00� www.encolabs.com ANALYTICAL RESULTS Description: 8003-MW16 Lab Sample ID:CE00222-07 Received: 01/28/21 10:30 Matrix: Ground Water Sampled:01/26/21 11:58 Work Order: CE00222 Project: Rowan County Active Landfills Sampled By: Darren Cox Volatile Organic Compounds by GCMS ^ - ENCO Cary certfied anaiyte [NC 591] Analyte ICAS Numberl Results Flaa Units DF MDL P L Batch Method Analyzed By Notes 1,1,1,2-Tetrachloroethane [630-20-6]A 0.17 u ug/L 1 0.17 1.0 IA29017 EPA 8260D 01/30/21 00:59 RKY 1,1,1-Trichloroethane [71-55-6]A 0.12 u ug/L 1 0.12 1.0 IA29017 EPA 8260D 01/30/21 00:59 RKY 1,1,2,2-Tetrachloroethane [79-34-5]A 0.28 u ug/L 1 0.28 1.0 IA29017 EPA 8260D 01/30/21 00:59 RKY 1,1,2-Trichloroethane [79-00-5]A 0.14 u ug/L 1 0.14 1.0 IA29017 EPA 8260D 01/30/21 00:59 RKY 1,1-Dichloroethane [75-34-3]^ 0.13 u ug/L 1 0.13 1.0 IA29017 EPA 8260D 01/30/21 00:59 RKY 1,1-Dichloroethene [75-35-4]^ 0.21 u ug/L 1 0.21 1.0 IA29017 EPA 8260D 01/30/21 00:59 RKY 1,2,3-Trichloropropane [96-18-4]^ 0.23 u ug/L 1 0.23 1.0 IA29017 EPA 8260D 01/30/21 00:59 RKY 1,2-Dibromo-3-chloropropane [96-12-8]^ 0.48 u ug/L 1 0.48 1.0 IA29017 EPA 8260D 01/30/21 00:59 RKY 1,2-Dibromoethane [106-93-4]^ 0.66 u ug/L 1 0.66 1.0 IA29017 EPA 8260D 01/30/21 00:59 RKY 1,2-Dichlorobenzene [95-50-1]^ 0.19 u ug/L 1 0.19 1.0 IA29017 EPA 8260D 01/30/21 00:59 RKY 1,2-Dichloroethane [107-06-2]^ 0.21 u ug/L 1 0.21 1.0 IA29017 EPA 8260D 01/30/21 00:59 RKY 1,2-Dichloropropane [78-87-5]^ 0.10 u ug/L 1 0.10 1.0 IA29017 EPA 8260D 01/30/21 00:59 RKY 1,4-Dichlorobenzene [106-46-7]^ 0.19 u ug/L 1 0.19 1.0 IA29017 EPA 8260D 01/30/21 00:59 RKY 2-Butanone [78-93-3]A 1.3 u ug/L 1 1.3 5.0 IA29017 EPA 8260D 01/30/21 00:59 RKY 2-Hexanone [591-78-6]A 0.88 u ug/L 1 0.88 5.0 IA29017 EPA 8260D 01/30/21 00:59 RKY 4-Methyl-2-pentanone [108-10-1]^ 1.1 u ug/L 1 1.1 5.0 IA29017 EPA 8260D 01/30/21 00:59 RKY Acetone [67-64-1]A 10 u ug/L 1 10 20 IA29017 EPA 8260D 01/30/21 00:59 RKY Acrylonitrile [107-13-1]^ 3.5 u ug/L 1 3.5 10 IA29017 EPA 8260D 01/30/21 00:59 RKY Benzene[71-43-2]A 0.15 u ug/L 1 0.15 1.0 IA29017 EPA 8260D 01/30/21 00:59 RKY Bromochloromethane [74-97-5]A 0.48 u ug/L 1 0.48 1.0 IA29017 EPA 8260D 01/30/21 00:59 RKY Bromodichloromethane [75-27-4]^ 0.17 u ug/L 1 0.17 1.0 IA29017 EPA 8260D 01/30/21 00:59 RKY Bromoform [75-25-2]^ 0.22 u ug/L 1 0.22 1.0 IA29017 EPA 8260D 01/30/21 00:59 RKY Bromomethane [74-83-9]A 0.14 u ug/L 1 0.14 1.0 IA29017 EPA 8260D 01/30/21 00:59 RKY Carbon disulfide [75-15-0]A 1.5 u ug/L 1 1.5 5.0 IA29017 EPA 8260D 01/30/21 00:59 RKY Carbon tetrachloride [56-23-5]A 0.17 u ug/L 1 0.17 1.0 IA29017 EPA 8260D 01/30/21 00:59 RKY Chlorobenzene[108-90-7]A 0.17 u ug/L 1 0.17 1.0 IA29017 EPA 8260D 01/30/21 00:59 RKY Chloroethane [75-00-3]A 0.23 u ug/L 1 0.23 1.0 IA29017 EPA 8260D 01/30/21 00:59 RKY Chloroform [67-66-3]^ 0.18 u ug/L 1 0.18 1.0 IA29017 EPA 8260D 01/30/21 00:59 RKY Chloromethane [74-87-3]A 0.13 u ug/L 1 0.13 1.0 IA29017 EPA 8260D 01/30/21 00:59 RKY cis-1,2-Dichloroethene [156-59-2]^ 0.15 u ug/L 1 0.15 1.0 IA29017 EPA 8260D 01/30/21 00:59 RKY cis-1,3-Dichloropropene [10061-01-5]A 0.20 u ug/L 1 0.20 1.0 IA29017 EPA 8260D 01/30/21 00:59 RKY Dibromochloromethane [124-48-1]A 0.17 u ug/L 1 0.17 1.0 IA29017 EPA 8260D 01/30/21 00:59 RKY Dibromomethane [74-95-3]A 0.27 u ug/L 1 0.27 1.0 IA29017 EPA 8260D 01/30/21 00:59 RKY Ethylbenzene[100-41-4]A 0.13 u ug/L 1 0.13 1.0 IA29017 EPA 8260D 01/30/21 00:59 RKY Iodomethane [74-88-4]^ 1.7 u ug/L 1 1.7 5.0 IA29017 EPA 8260D 01/30/21 00:59 RKY Methylene chloride [75-09-2]A 0.23 u ug/L 1 0.23 1.0 IA29017 EPA 8260D 01/30/21 00:59 RKY Styrene[100-42-5]A 0.11 u ug/L 1 0.11 1.0 IA29017 EPA 8260D 01/30/21 00:59 RKY Tetrachloroethene [127-18-4]A 0.17 u ug/L 1 0.17 1.0 IA29017 EPA 8260D 01/30/21 00:59 RKY Toluene [108-88-3]^ 0.14 u ug/L 1 0.14 1.0 IA29017 EPA 8260D 01/30/21 00:59 RKY trans-1,2-Dichloroethene [156-60-5]^ 0.21 u ug/L 1 0.21 1.0 IA29017 EPA 8260D 01/30/21 00:59 RKY trans-1,3-Dichloropropene [10061-02-6]^ 0.15 u ug/L 1 0.15 1.0 IA29017 EPA 8260D 01/30/21 00:59 RKY trans-1,4-Dichloro-2-butene [110-57-6]A 0.70 u ug/L 1 0.70 1.0 IA29017 EPA 8260D 01/30/21 00:59 RKY Trichloroethene [79-01-6]^ 0.15 u ug/L 1 0.15 1.0 IA29017 EPA 8260D 01/30/21 00:59 RKY Trichlorofluoromethane [75-69-4]^ 0.24 u ug/L 1 0.24 1.0 IA29017 EPA 8260D 01/30/21 00:59 RKY Vinyl acetate [108-05-4]A 0.95 u ug/L 1 0.95 5.0 IA29017 EPA 8260D 01/30/21 00:59 RKY Vinyl chloride [75-01-4]^ 0.32 u ug/L 1 0.32 1.0 IA29017 EPA 8260D 01/30/21 00:59 RKY Xylenes (Total) [1330-20-7]A 0.45 u ug/L 1 0.45 3.0 IA29017 EPA 8260D 01/30/21 00:59 RKY FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 21 Of 73 (� �Eo www.encolabs.com ANALYTICAL RESULTS Description: 8003-MW16 Lab Sample ID:CE00222-07 Received: 01/28/21 10:30 Matrix: Ground Water Sampled:01/26/21 11:58 Work Order: CE00222 Project: Rowan County Active Landfills Sampled By: Darren Cox 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 47 1 50.0 93 % 53-136 IA29017 EPA 6260D 01130121 00:59 RKY Dibromofluoromethane 49 1 50.0 98 % 67-129 IA29017 EPA 6260D 01130121 00:59 RKY Toluene-d8 63 1 50.0 126 % 59-134 IA29017 EPA 6260D 01130121 00:59 RKY 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[7440-36-0]^ 0.740 U ug/L 2 0.740 2.00 1A28032 EPA 6020B 02/02/21 12:37 RLF Arsenic[7440-38-2]^ 7.60 U ug/L 1 7.60 10.0 1A28030 EPA 6010D 02/03/21 11:10 JDH Barium [7440-39-3]^ 15.4 ug/L 1 1.10 10.0 1A28030 EPA 6010D 02/03/21 11:10 JDH Beryllium [7440-41-7]^ 0.160 U ug/L 1 0.160 1.00 1A28030 EPA 6010D 02/03/21 11:10 JDH Cadmium [7440-43-9]^ 0.360 U ug/L 1 0.360 1.00 1A28030 EPA 6010D 02/03/21 11:10 JDH Chromium [7440-47-3]^ 1.40 U ug/L 1 1.40 10.0 1A28030 EPA 6010D 02/03/21 11:10 JDH Cobalt[7440-48-4]^ 1.40 U ug/L 1 1.40 10.0 1A28030 EPA 6010D 02/03/21 11:10 JDH Copper[7440-50-8]^ 1.60 U ug/L 1 1.60 10.0 1A28030 EPA 6010D 02/03/21 11:10 JDH Lead [7439-92-1]^ 3.10 U ug/L 1 3.10 10.0 1A28030 EPA 6010D 02/03/21 11:10 JDH Nickel[7440-02-0]^ 2.20 U ug/L 1 2.20 10.0 1A28030 EPA 6010D 02/03/21 11:10 JDH Selenium [7782-49-2]^ 6.20 U ug/L 1 6.20 10.0 1A28030 EPA 6010D 02/03/21 11:10 JDH Silver [7440-22-4]^ 1.90 U ug/L 1 1.90 10.0 1A28030 EPA 6010D 02/03/21 11:10 JDH Thallium [7440-28-0]^ 0.220 U ug/L 2 0.220 2.00 1A28032 EPA 6020B 02/02/21 12:37 RLF Vanadium [7440-62-2]^ 1.40 U ug/L 1 1.40 10.0 1A28030 EPA 6010D 02/03/21 11:10 JDH Zinc [7440-66-6]^ 4.40 U ug/L 1 4.40 10.0 1A28030 EPA 6010D 02/03/21 11:10 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 %3 00� www.encolabs.com ANALYTICAL RESULTS Description: 8003-MW20 Lab Sample ID:CE00222-08 Received: 01/28/21 10:30 Matrix: Ground Water Sampled:01/26/21 14:08 Work Order: CE00222 Project: Rowan County Active Landfills Sampled By: Darren Cox Volatile Organic Compounds by GCMS ^ - ENCO Cary rertified analyte [NC 591] Analyte ICAS Numberl Results Flaa Units DF MDL P L Batch Method Analyzed By Notes 1,1,1,2-Tetrachloroethane [630-20-6]A 0.17 u ug/L 1 0.17 1.0 IA29017 EPA 8260D 01/30/21 01:29 RKY 1,1,1-Trichloroethane [71-55-6]A 0.12 u ug/L 1 0.12 1.0 IA29017 EPA 8260D 01/30/21 01:29 RKY 1,1,2,2-Tetrachloroethane [79-34-5]A 0.28 u ug/L 1 0.28 1.0 IA29017 EPA 8260D 01/30/21 01:29 RKY 1,1,2-Trichloroethane [79-00-5]A 0.14 u ug/L 1 0.14 1.0 IA29017 EPA 8260D 01/30/21 01:29 RKY 1,1-Dichloroethane [75-34-3]^ 0.13 u ug/L 1 0.13 1.0 IA29017 EPA 8260D 01/30/21 01:29 RKY 1,1-Dichloroethene [75-35-4]^ 0.21 u ug/L 1 0.21 1.0 IA29017 EPA 8260D 01/30/21 01:29 RKY 1,2,3-Trichloropropane [96-18-4]^ 0.23 u ug/L 1 0.23 1.0 IA29017 EPA 8260D 01/30/21 01:29 RKY 1,2-Dibromo-3-chloropropane [96-12-8]^ 0.48 u ug/L 1 0.48 1.0 IA29017 EPA 8260D 01/30/21 01:29 RKY 1,2-Dibromoethane [106-93-4]^ 0.66 u ug/L 1 0.66 1.0 IA29017 EPA 8260D 01/30/21 01:29 RKY 1,2-Dichlorobenzene [95-50-1]^ 0.19 u ug/L 1 0.19 1.0 IA29017 EPA 8260D 01/30/21 01:29 RKY 1,2-Dichloroethane [107-06-2]^ 0.21 u ug/L 1 0.21 1.0 IA29017 EPA 8260D 01/30/21 01:29 RKY 1,2-Dichloropropane [78-87-5]^ 0.10 u ug/L 1 0.10 1.0 IA29017 EPA 8260D 01/30/21 01:29 RKY 1,4-Dichlorobenzene [106-46-7]^ 0.19 u ug/L 1 0.19 1.0 IA29017 EPA 8260D 01/30/21 01:29 RKY 2-Butanone [78-93-3]A 1.3 u ug/L 1 1.3 5.0 IA29017 EPA 8260D 01/30/21 01:29 RKY 2-Hexanone [591-78-6]A 0.88 u ug/L 1 0.88 5.0 IA29017 EPA 8260D 01/30/21 01:29 RKY 4-Methyl-2-pentanone [108-10-1]^ 1.1 u ug/L 1 1.1 5.0 IA29017 EPA 8260D 01/30/21 01:29 RKY Acetone [67-64-1]A 10 u ug/L 1 10 20 IA29017 EPA 8260D 01/30/21 01:29 RKY Acrylonitrile [107-13-1]^ 3.5 u ug/L 1 3.5 10 IA29017 EPA 8260D 01/30/21 01:29 RKY Benzene[71-43-2]A 0.15 u ug/L 1 0.15 1.0 IA29017 EPA 8260D 01/30/21 01:29 RKY Bromochloromethane [74-97-5]A 0.48 u ug/L 1 0.48 1.0 IA29017 EPA 8260D 01/30/21 01:29 RKY Bromodichloromethane [75-27-4]^ 0.17 u ug/L 1 0.17 1.0 IA29017 EPA 8260D 01/30/21 01:29 RKY Bromoform [75-25-2]^ 0.22 u ug/L 1 0.22 1.0 IA29017 EPA 8260D 01/30/21 01:29 RKY Bromomethane [74-83-9]A 0.14 u ug/L 1 0.14 1.0 IA29017 EPA 8260D 01/30/21 01:29 RKY Carbon disulfide [75-15-0]A 1.5 u ug/L 1 1.5 5.0 IA29017 EPA 8260D 01/30/21 01:29 RKY Carbon tetrachloride [56-23-5]A 0.17 u ug/L 1 0.17 1.0 IA29017 EPA 8260D 01/30/21 01:29 RKY Chlorobenzene[108-90-7]A 0.17 u ug/L 1 0.17 1.0 IA29017 EPA 8260D 01/30/21 01:29 RKY Chloroethane [75-00-3]A 0.23 u ug/L 1 0.23 1.0 IA29017 EPA 8260D 01/30/21 01:29 RKY Chloroform [67-66-3]^ 0.18 u ug/L 1 0.18 1.0 IA29017 EPA 8260D 01/30/21 01:29 RKY Chloromethane [74-87-3]A 0.13 u ug/L 1 0.13 1.0 IA29017 EPA 8260D 01/30/21 01:29 RKY cis-1,2-Dichloroethene [156-59-2]^ 0.15 u ug/L 1 0.15 1.0 IA29017 EPA 8260D 01/30/21 01:29 RKY cis-1,3-Dichloropropene [10061-01-5]A 0.20 u ug/L 1 0.20 1.0 IA29017 EPA 8260D 01/30/21 01:29 RKY Dibromochloromethane [124-48-1]A 0.17 u ug/L 1 0.17 1.0 IA29017 EPA 8260D 01/30/21 01:29 RKY Dibromomethane [74-95-3]A 0.27 u ug/L 1 0.27 1.0 IA29017 EPA 8260D 01/30/21 01:29 RKY Ethylbenzene[100-41-4]A 0.13 u ug/L 1 0.13 1.0 IA29017 EPA 8260D 01/30/21 01:29 RKY Iodomethane [74-88-4]^ 1.7 u ug/L 1 1.7 5.0 IA29017 EPA 8260D 01/30/21 01:29 RKY Methylene chloride [75-09-2]A 0.23 u ug/L 1 0.23 1.0 IA29017 EPA 8260D 01/30/21 01:29 RKY Styrene[100-42-5]A 0.11 u ug/L 1 0.11 1.0 IA29017 EPA 8260D 01/30/21 01:29 RKY Tetrachloroethene [127-18-4]A 0.17 u ug/L 1 0.17 1.0 IA29017 EPA 8260D 01/30/21 01:29 RKY Toluene [108-88-3]^ 0.14 u ug/L 1 0.14 1.0 IA29017 EPA 8260D 01/30/21 01:29 RKY trans-1,2-Dichloroethene [156-60-5]^ 0.21 u ug/L 1 0.21 1.0 IA29017 EPA 8260D 01/30/21 01:29 RKY trans-1,3-Dichloropropene [10061-02-6]^ 0.15 u ug/L 1 0.15 1.0 IA29017 EPA 8260D 01/30/21 01:29 RKY trans-1,4-Dichloro-2-butene [110-57-6]A 0.70 u ug/L 1 0.70 1.0 IA29017 EPA 8260D 01/30/21 01:29 RKY Trichloroethene [79-01-6]^ 0.15 u ug/L 1 0.15 1.0 IA29017 EPA 8260D 01/30/21 01:29 RKY Trichlorofluoromethane [75-69-4]^ 0.24 u ug/L 1 0.24 1.0 IA29017 EPA 8260D 01/30/21 01:29 RKY Vinyl acetate [108-05-4]A 0.95 u ug/L 1 0.95 5.0 IA29017 EPA 8260D 01/30/21 01:29 RKY Vinyl chloride [75-01-4]^ 0.32 u ug/L 1 0.32 1.0 IA29017 EPA 8260D 01/30/21 01:29 RKY Xylenes (Total) [1330-20-7]A 0.45 u ug/L 1 0.45 3.0 IA29017 EPA 8260D 01/30/21 01:29 RKY FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 23 Of 73 (� �Eo www.encolabs.com ANALYTICAL RESULTS Description: 8003-MW20 Lab Sample ID:CE00222-08 Received: 01/28/21 10:30 Matrix: Ground Water Sampled:01/26/21 14:08 Work Order: CE00222 Project: Rowan County Active Landfills Sampled By: Darren Cox 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 47 1 50.0 94 % 53-136 IA29017 EPA 6260D 01130121 01:29 RKY Dibromofluoromethane 49 1 50.0 98 % 67-129 IA29017 EPA 6260D 01130121 01:29 RKY Toluene-d8 62 1 50.0 124 % 59-134 IA29017 EPA 6260D 01130121 01:29 RKY 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[7440-36-0]^ 0.740 U ug/L 2 0.740 2.00 1A28032 EPA 6020B 02/02/21 12:41 RLF Arsenic[7440-38-2]^ 7.60 U ug/L 1 7.60 10.0 1A28030 EPA 6010D 02/03/21 11:12 JDH Barium [7440-39-3]^ 81.7 ug/L 1 1.10 10.0 1A28030 EPA 6010D 02/03/21 11:12 JDH Beryllium [7440-41-7]^ 0.251 J ug/L 1 0.160 1.00 1A28030 EPA 6010D 02/03/21 11:12 JDH Cadmium [7440-43-9]^ 0.360 U ug/L 1 0.360 1.00 1A28030 EPA 6010D 02/03/21 11:12 JDH Chromium [7440-47-3]^ 1.40 U ug/L 1 1.40 10.0 1A28030 EPA 6010D 02/03/21 11:12 JDH Cobalt[7440-48-4]^ 4.38 J ug/L 1 1.40 10.0 1A28030 EPA 6010D 02/03/21 11:12 JDH Copper[7440-50-8]^ 5.03 J ug/L 1 1.60 10.0 1A28030 EPA 6010D 02/03/21 11:12 JDH Lead [7439-92-1]^ 3.10 U ug/L 1 3.10 10.0 1A28030 EPA 6010D 02/03/21 11:12 JDH Nickel[7440-02-O]^ 5.70 J ug/L 1 2.20 10.0 1A28030 EPA 6010D 02/03/21 11:12 JDH Selenium [7782-49-2]^ 6.20 U ug/L 1 6.20 10.0 1A28030 EPA 6010D 02/03/21 11:12 JDH Silver [7440-22-4]^ 1.90 U ug/L 1 1.90 10.0 1A28030 EPA 6010D 02/03/21 11:12 JDH Thallium [7440-28-0]^ 0.220 U ug/L 2 0.220 2.00 1A28032 EPA 6020B 02/02/21 12:41 RLF Vanadium [7440-62-2]^ 1.40 U ug/L 1 1.40 10.0 1A28030 EPA 6010D 02/03/21 11:12 JDH Zinc[7440-66-6]^ 15.4 ug/L 1 4.40 10.0 1A28030 EPA 6010D 02/03/21 11:12 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 %3 00� www.encolabs.com ANALYTICAL RESULTS Description: 8003-MW23 Lab Sample ID:CE00222-09 Received: 01/28/21 10:30 Matrix: Ground Water Sampled:01/26/21 12:55 Work Order: CE00222 Project: Rowan County Active Landfills Sampled By: Darren Cox Volatile Organic Compounds by GCMS ^ - ENCO Cary rertified analyte [NC 591] Analyte ICAS Numberl Results Flaa Units DF MDL P L Batch Method Analyzed By Notes 1,1,1,2-Tetrachloroethane [630-20-6]A 0.17 u ug/L 1 0.17 1.0 IA29017 EPA 8260D 01/30/21 01:59 RKY 1,1,1-Trichloroethane [71-55-6]A 0.12 u ug/L 1 0.12 1.0 IA29017 EPA 8260D 01/30/21 01:59 RKY 1,1,2,2-Tetrachloroethane [79-34-5]A 0.28 u ug/L 1 0.28 1.0 IA29017 EPA 8260D 01/30/21 01:59 RKY 1,1,2-Trichloroethane [79-00-5]A 0.14 u ug/L 1 0.14 1.0 IA29017 EPA 8260D 01/30/21 01:59 RKY 1,1-Dichloroethane [75-34-3]^ 0.13 u ug/L 1 0.13 1.0 IA29017 EPA 8260D 01/30/21 01:59 RKY 1,1-Dichloroethene [75-35-4]^ 0.21 u ug/L 1 0.21 1.0 IA29017 EPA 8260D 01/30/21 01:59 RKY 1,2,3-Trichloropropane [96-18-4]^ 0.23 u ug/L 1 0.23 1.0 IA29017 EPA 8260D 01/30/21 01:59 RKY 1,2-Dibromo-3-chloropropane [96-12-8]^ 0.48 u ug/L 1 0.48 1.0 IA29017 EPA 8260D 01/30/21 01:59 RKY 1,2-Dibromoethane [106-93-4]^ 0.66 u ug/L 1 0.66 1.0 IA29017 EPA 8260D 01/30/21 01:59 RKY 1,2-Dichlorobenzene [95-50-1]^ 0.19 u ug/L 1 0.19 1.0 IA29017 EPA 8260D 01/30/21 01:59 RKY 1,2-Dichloroethane [107-06-2]^ 0.21 u ug/L 1 0.21 1.0 IA29017 EPA 8260D 01/30/21 01:59 RKY 1,2-Dichloropropane [78-87-5]^ 0.10 u ug/L 1 0.10 1.0 IA29017 EPA 8260D 01/30/21 01:59 RKY 1,4-Dichlorobenzene [106-46-7]^ 0.19 u ug/L 1 0.19 1.0 IA29017 EPA 8260D 01/30/21 01:59 RKY 2-Butanone [78-93-3]A 1.3 u ug/L 1 1.3 5.0 IA29017 EPA 8260D 01/30/21 01:59 RKY 2-Hexanone [591-78-6]A 0.88 u ug/L 1 0.88 5.0 IA29017 EPA 8260D 01/30/21 01:59 RKY 4-Methyl-2-pentanone [108-10-1]^ 1.1 u ug/L 1 1.1 5.0 IA29017 EPA 8260D 01/30/21 01:59 RKY Acetone [67-64-1]A 10 u ug/L 1 10 20 IA29017 EPA 8260D 01/30/21 01:59 RKY Acrylonitrile [107-13-1]^ 3.5 u ug/L 1 3.5 10 IA29017 EPA 8260D 01/30/21 01:59 RKY Benzene[71-43-2]A 0.15 u ug/L 1 0.15 1.0 IA29017 EPA 8260D 01/30/21 01:59 RKY Bromochloromethane [74-97-5]A 0.48 u ug/L 1 0.48 1.0 IA29017 EPA 8260D 01/30/21 01:59 RKY Bromodichloromethane [75-27-4]^ 0.17 u ug/L 1 0.17 1.0 IA29017 EPA 8260D 01/30/21 01:59 RKY Bromoform [75-25-2]^ 0.22 u ug/L 1 0.22 1.0 IA29017 EPA 8260D 01/30/21 01:59 RKY Bromomethane [74-83-9]A 0.14 u ug/L 1 0.14 1.0 IA29017 EPA 8260D 01/30/21 01:59 RKY Carbon disulfide [75-15-0]A 1.5 u ug/L 1 1.5 5.0 IA29017 EPA 8260D 01/30/21 01:59 RKY Carbon tetrachloride [56-23-5]A 0.17 u ug/L 1 0.17 1.0 IA29017 EPA 8260D 01/30/21 01:59 RKY Chlorobenzene[108-90-7]A 0.17 u ug/L 1 0.17 1.0 IA29017 EPA 8260D 01/30/21 01:59 RKY Chloroethane [75-00-3]A 0.23 u ug/L 1 0.23 1.0 IA29017 EPA 8260D 01/30/21 01:59 RKY Chloroform [67-66-3]^ 0.18 u ug/L 1 0.18 1.0 IA29017 EPA 8260D 01/30/21 01:59 RKY Chloromethane [74-87-3]A 0.13 u ug/L 1 0.13 1.0 IA29017 EPA 8260D 01/30/21 01:59 RKY cis-1,2-Dichloroethene [156-59-2]^ 0.15 u ug/L 1 0.15 1.0 IA29017 EPA 8260D 01/30/21 01:59 RKY cis-1,3-Dichloropropene [10061-01-5]A 0.20 u ug/L 1 0.20 1.0 IA29017 EPA 8260D 01/30/21 01:59 RKY Dibromochloromethane [124-48-1]A 0.17 u ug/L 1 0.17 1.0 IA29017 EPA 8260D 01/30/21 01:59 RKY Dibromomethane [74-95-3]A 0.27 u ug/L 1 0.27 1.0 IA29017 EPA 8260D 01/30/21 01:59 RKY Ethylbenzene[100-41-4]A 0.13 u ug/L 1 0.13 1.0 IA29017 EPA 8260D 01/30/21 01:59 RKY Iodomethane [74-88-4]^ 1.7 u ug/L 1 1.7 5.0 IA29017 EPA 8260D 01/30/21 01:59 RKY Methylene chloride [75-09-2]A 0.23 u ug/L 1 0.23 1.0 IA29017 EPA 8260D 01/30/21 01:59 RKY Styrene[100-42-5]A 0.11 u ug/L 1 0.11 1.0 IA29017 EPA 8260D 01/30/21 01:59 RKY Tetrachloroethene [127-18-4]A 0.17 u ug/L 1 0.17 1.0 IA29017 EPA 8260D 01/30/21 01:59 RKY Toluene [108-88-3]^ 0.14 u ug/L 1 0.14 1.0 IA29017 EPA 8260D 01/30/21 01:59 RKY trans-1,2-Dichloroethene [156-60-5]^ 0.21 u ug/L 1 0.21 1.0 IA29017 EPA 8260D 01/30/21 01:59 RKY trans-1,3-Dichloropropene [10061-02-6]^ 0.15 u ug/L 1 0.15 1.0 IA29017 EPA 8260D 01/30/21 01:59 RKY trans-1,4-Dichloro-2-butene [110-57-6]A 0.70 u ug/L 1 0.70 1.0 IA29017 EPA 8260D 01/30/21 01:59 RKY Trichloroethene [79-01-6]^ 0.15 u ug/L 1 0.15 1.0 IA29017 EPA 8260D 01/30/21 01:59 RKY Trichlorofluoromethane [75-69-4]^ 0.24 u ug/L 1 0.24 1.0 IA29017 EPA 8260D 01/30/21 01:59 RKY Vinyl acetate [108-05-4]A 0.95 u ug/L 1 0.95 5.0 IA29017 EPA 8260D 01/30/21 01:59 RKY Vinyl chloride [75-01-4]^ 0.32 u ug/L 1 0.32 1.0 IA29017 EPA 8260D 01/30/21 01:59 RKY Xylenes (Total) [1330-20-7]A 0.45 u ug/L 1 0.45 3.0 IA29017 EPA 8260D 01/30/21 01:59 RKY FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 25 Of 73 (� �Eo www.encolabs.com ANALYTICAL RESULTS Description: 8003-MW23 Lab Sample ID:CE00222-09 Received: 01/28/21 10:30 Matrix: Ground Water Sampled:01/26/21 12:55 Work Order: CE00222 Project: Rowan County Active Landfills Sampled By: Darren Cox 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 47 1 50.0 94 % 53-136 IA29017 EPA 6260D 01130121 01:59 RKY Dibromofluoromethane 49 1 50.0 97 % 67-129 IA29017 EPA 6260D 01130121 01:59 RKY Toluene-d8 59 1 50.0 119 % 59-134 IA29017 EPA 6260D 01130121 01:59 RKY 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[7440-36-0]^ 0.740 U ug/L 2 0.740 2.00 1A28032 EPA 6020B 02/02/21 12:45 RLF Arsenic[7440-38-2]^ 7.60 U ug/L 1 7.60 10.0 1A28030 EPA 6010D 02/03/21 11:15 JDH Barium [7440-39-3]^ 207 ug/L 1 1.10 10.0 1A28030 EPA 6010D 02/03/21 11:15 JDH Beryllium [7440-41-7]^ 0.257 J ug/L 1 0.160 1.00 1A28030 EPA 6010D 02/03/21 11:15 JDH Cadmium [7440-43-9]^ 0.360 U ug/L 1 0.360 1.00 1A28030 EPA 6010D 02/03/21 11:15 JDH Chromium [7440-47-3]^ 3.91 J ug/L 1 1.40 10.0 1A28030 EPA 6010D 02/03/21 11:15 JDH Cobalt[7440-48-4]^ 1.40 U ug/L 1 1.40 10.0 1A28030 EPA 6010D 02/03/21 11:15 JDH Copper[7440-50-8]^ 1.60 U ug/L 1 1.60 10.0 1A28030 EPA 6010D 02/03/21 11:15 JDH Lead [7439-92-1]^ 3.10 U ug/L 1 3.10 10.0 1A28030 EPA 6010D 02/03/21 11:15 JDH Nickel[7440-02-O]^ 7.32 J ug/L 1 2.20 10.0 1A28030 EPA 6010D 02/03/21 11:15 JDH Selenium [7782-49-2]^ 6.20 U ug/L 1 6.20 10.0 1A28030 EPA 6010D 02/03/21 11:15 JDH Silver [7440-22-4]^ 1.90 U ug/L 1 1.90 10.0 1A28030 EPA 6010D 02/03/21 11:15 JDH Thallium [7440-28-0]^ 0.220 U ug/L 2 0.220 2.00 1A28032 EPA 6020B 02/02/21 12:45 RLF Vanadium [7440-62-2]^ 1.40 U ug/L 1 1.40 10.0 1A28030 EPA 6010D 02/03/21 11:15 JDH Zinc [7440-66-6]^ 4.40 U ug/L 1 4.40 10.0 1A28030 EPA 6010D 02/03/21 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 26 of %3 00� www.encolabs.com ANALYTICAL RESULTS Description: 8003-MW23A Lab Sample ID:CE00222-10 Received: 01/28/21 10:30 Matrix: Ground Water Sampled:01/26/21 15:15 Work Order: CE00222 Project: Rowan County Active Landfills Sampled By: Darren Cox Volatile Organic Compounds by GCMS ^ - ENCO Cary certfied anaiyte [NC 591] Analyte ICAS Numberl Results Flaa Units DF MDL P L Batch Method Analyzed By Notes 1,1,1,2-Tetrachloroethane [630-20-6]A 0.17 u ug/L 1 0.17 1.0 IA29017 EPA 8260D 01/30/21 02:29 RKY 1,1,1-Trichloroethane [71-55-6]A 0.12 u ug/L 1 0.12 1.0 IA29017 EPA 8260D 01/30/21 02:29 RKY 1,1,2,2-Tetrachloroethane [79-34-5]A 0.28 u ug/L 1 0.28 1.0 IA29017 EPA 8260D 01/30/21 02:29 RKY 1,1,2-Trichloroethane [79-00-5]A 0.14 u ug/L 1 0.14 1.0 IA29017 EPA 8260D 01/30/21 02:29 RKY 1,1-Dichloroethane [75-34-3]^ 0.13 u ug/L 1 0.13 1.0 IA29017 EPA 8260D 01/30/21 02:29 RKY 1,1-Dichloroethene [75-35-4]^ 0.21 u ug/L 1 0.21 1.0 IA29017 EPA 8260D 01/30/21 02:29 RKY 1,2,3-Trichloropropane [96-18-4]^ 0.23 u ug/L 1 0.23 1.0 IA29017 EPA 8260D 01/30/21 02:29 RKY 1,2-Dibromo-3-chloropropane [96-12-8]^ 0.48 u ug/L 1 0.48 1.0 IA29017 EPA 8260D 01/30/21 02:29 RKY 1,2-Dibromoethane [106-93-4]^ 0.66 u ug/L 1 0.66 1.0 IA29017 EPA 8260D 01/30/21 02:29 RKY 1,2-Dichlorobenzene [95-50-1]^ 0.19 u ug/L 1 0.19 1.0 IA29017 EPA 8260D 01/30/21 02:29 RKY 1,2-Dichloroethane [107-06-2]^ 0.21 u ug/L 1 0.21 1.0 IA29017 EPA 8260D 01/30/21 02:29 RKY 1,2-Dichloropropane [78-87-5]^ 0.10 u ug/L 1 0.10 1.0 IA29017 EPA 8260D 01/30/21 02:29 RKY 1,4-Dichlorobenzene [106-46-7]^ 0.19 u ug/L 1 0.19 1.0 IA29017 EPA 8260D 01/30/21 02:29 RKY 2-Butanone [78-93-3]A 1.3 u ug/L 1 1.3 5.0 IA29017 EPA 8260D 01/30/21 02:29 RKY 2-Hexanone [591-78-6]A 0.88 u ug/L 1 0.88 5.0 IA29017 EPA 8260D 01/30/21 02:29 RKY 4-Methyl-2-pentanone [108-10-1]^ 1.1 u ug/L 1 1.1 5.0 IA29017 EPA 8260D 01/30/21 02:29 RKY Acetone [67-64-1]A 10 u ug/L 1 10 20 IA29017 EPA 8260D 01/30/21 02:29 RKY Acrylonitrile [107-13-1]^ 3.5 u ug/L 1 3.5 10 IA29017 EPA 8260D 01/30/21 02:29 RKY Benzene[71-43-2]A 0.15 u ug/L 1 0.15 1.0 IA29017 EPA 8260D 01/30/21 02:29 RKY Bromochloromethane [74-97-5]A 0.48 u ug/L 1 0.48 1.0 IA29017 EPA 8260D 01/30/21 02:29 RKY Bromodichloromethane [75-27-4]^ 0.17 u ug/L 1 0.17 1.0 IA29017 EPA 8260D 01/30/21 02:29 RKY Bromoform [75-25-2]^ 0.22 u ug/L 1 0.22 1.0 IA29017 EPA 8260D 01/30/21 02:29 RKY Bromomethane [74-83-9]A 0.14 u ug/L 1 0.14 1.0 IA29017 EPA 8260D 01/30/21 02:29 RKY Carbon disulfide [75-15-0]A 1.5 u ug/L 1 1.5 5.0 IA29017 EPA 8260D 01/30/21 02:29 RKY Carbon tetrachloride [56-23-5]A 0.17 u ug/L 1 0.17 1.0 IA29017 EPA 8260D 01/30/21 02:29 RKY Chlorobenzene[108-90-7]A 0.17 u ug/L 1 0.17 1.0 IA29017 EPA 8260D 01/30/21 02:29 RKY Chloroethane [75-00-3]A 0.23 u ug/L 1 0.23 1.0 IA29017 EPA 8260D 01/30/21 02:29 RKY Chloroform [67-66-3]^ 0.18 u ug/L 1 0.18 1.0 IA29017 EPA 8260D 01/30/21 02:29 RKY Chloromethane [74-87-3]A 0.13 u ug/L 1 0.13 1.0 IA29017 EPA 8260D 01/30/21 02:29 RKY cis-1,2-Dichloroethene [156-59-2]^ 0.15 u ug/L 1 0.15 1.0 IA29017 EPA 8260D 01/30/21 02:29 RKY cis-1,3-Dichloropropene [10061-01-5]A 0.20 u ug/L 1 0.20 1.0 IA29017 EPA 8260D 01/30/21 02:29 RKY Dibromochloromethane [124-48-1]A 0.17 u ug/L 1 0.17 1.0 IA29017 EPA 8260D 01/30/21 02:29 RKY Dibromomethane [74-95-3]A 0.27 u ug/L 1 0.27 1.0 IA29017 EPA 8260D 01/30/21 02:29 RKY Ethylbenzene[100-41-4]A 0.13 u ug/L 1 0.13 1.0 IA29017 EPA 8260D 01/30/21 02:29 RKY Iodomethane [74-88-4]^ 1.7 u ug/L 1 1.7 5.0 IA29017 EPA 8260D 01/30/21 02:29 RKY Methylene chloride [75-09-2]A 0.23 u ug/L 1 0.23 1.0 IA29017 EPA 8260D 01/30/21 02:29 RKY Styrene[100-42-5]A 0.11 u ug/L 1 0.11 1.0 IA29017 EPA 8260D 01/30/21 02:29 RKY Tetrachloroethene [127-18-4]A 0.17 u ug/L 1 0.17 1.0 IA29017 EPA 8260D 01/30/21 02:29 RKY Toluene [108-88-3]^ 0.14 u ug/L 1 0.14 1.0 IA29017 EPA 8260D 01/30/21 02:29 RKY trans-1,2-Dichloroethene [156-60-5]^ 0.21 u ug/L 1 0.21 1.0 IA29017 EPA 8260D 01/30/21 02:29 RKY trans-1,3-Dichloropropene [10061-02-6]^ 0.15 u ug/L 1 0.15 1.0 IA29017 EPA 8260D 01/30/21 02:29 RKY trans-1,4-Dichloro-2-butene [110-57-6]A 0.70 u ug/L 1 0.70 1.0 IA29017 EPA 8260D 01/30/21 02:29 RKY Trichloroethene [79-01-6]^ 0.15 u ug/L 1 0.15 1.0 IA29017 EPA 8260D 01/30/21 02:29 RKY Trichlorofluoromethane [75-69-4]^ 0.24 u ug/L 1 0.24 1.0 IA29017 EPA 8260D 01/30/21 02:29 RKY Vinyl acetate [108-05-4]A 0.95 u ug/L 1 0.95 5.0 IA29017 EPA 8260D 01/30/21 02:29 RKY Vinyl chloride [75-01-4]^ 0.32 u ug/L 1 0.32 1.0 IA29017 EPA 8260D 01/30/21 02:29 RKY Xylenes (Total) [1330-20-7]A 0.45 u ug/L 1 0.45 3.0 IA29017 EPA 8260D 01/30/21 02:29 RKY FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 27 Of 73 (� �Eo www.encolabs.com ANALYTICAL RESULTS Description: 8003-MW23A Lab Sample ID:CE00222-10 Received: 01/28/21 10:30 Matrix: Ground Water Sampled:01/26/21 15:15 Work Order: CE00222 Project: Rowan County Active Landfills Sampled By: Darren Cox 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 45 1 50.0 91 % 53-136 IA29017 EPA 8260D 01130121 02:29 RKY Dibromofluoromethane 50 1 50.0 100 % 67-129 IA29017 EPA 8260D 01130121 02:29 RKY Toluene-& 59 1 50.0 119 % 59-134 IA29017 EPA 6260D 01130121 02:29 RKY 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[7440-36-0]^ 0.740 U ug/L 2 0.740 2.00 1A28032 EPA 6020B 02/02/21 12:49 RLF Arsenic[7440-38-2]^ 7.60 U ug/L 1 7.60 10.0 1A28030 EPA 6010D 02/03/21 11:17 JDH Barium [7440-39-3]^ 26.3 ug/L 1 1.10 10.0 1A28030 EPA 6010D 02/03/21 11:17 JDH Beryllium [7440-41-7]^ 0.160 U ug/L 1 0.160 1.00 1A28030 EPA 6010D 02/03/21 11:17 JDH Cadmium [7440-43-9]^ 0.360 U ug/L 1 0.360 1.00 1A28030 EPA 6010D 02/03/21 11:17 JDH Chromium [7440-47-3]^ 1.89 J ug/L 1 1.40 10.0 1A28030 EPA 6010D 02/03/21 11:17 JDH Cobalt[7440-48-4]^ 1.40 U ug/L 1 1.40 10.0 1A28030 EPA 6010D 02/03/21 11:17 JDH Copper[7440-50-8]^ 1.60 U ug/L 1 1.60 10.0 1A28030 EPA 6010D 02/03/21 11:17 JDH Lead [7439-92-1]^ 3.10 U ug/L 1 3.10 10.0 1A28030 EPA 6010D 02/03/21 11:17 JDH Nickel[7440-02-O]^ 2.29 J ug/L 1 2.20 10.0 1A28030 EPA 6010D 02/03/21 11:17 JDH Selenium [7782-49-2]^ 6.20 U ug/L 1 6.20 10.0 1A28030 EPA 6010D 02/03/21 11:17 JDH Silver [7440-22-4]^ 1.90 U ug/L 1 1.90 10.0 1A28030 EPA 6010D 02/03/21 11:17 JDH Thallium [7440-28-0]^ 0.220 U ug/L 2 0.220 2.00 1A28032 EPA 6020B 02/02/21 12:49 RLF Vanadium [7440-62-2]^ 6.24 J ug/L 1 1.40 10.0 1A28030 EPA 6010D 02/03/21 11:17 JDH Zinc [7440-66-6]^ 4.40 U ug/L 1 4.40 10.0 1A28030 EPA 6010D 02/03/21 11:17 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 73 00� www.encolabs.com ANALYTICAL RESULTS Description: 8003-MW24R Lab Sample ID:CE00222-11 Received: 01/28/21 10:30 Matrix: Ground Water Sampled:01/26/21 11:55 Work Order: CE00222 Project: Rowan County Active Landfills Sampled By: Darren Cox Volatile Organic Compounds by GCMS ^ - ENCO Cary certfied anaiyte [NC 591] Analyte ICAS Numberl Results Flaa Units DF MDL P L Batch Method Analyzed By Notes 1,1,1,2-Tetrachloroethane [630-20-6]A 0.17 u ug/L 1 0.17 1.0 1BO1003 EPA 8260D 02/01/21 17:05 RKY 1,1,1-Trichloroethane [71-55-6]A 0.12 u ug/L 1 0.12 1.0 1BO1003 EPA 8260D 02/01/21 17:05 RKY 1,1,2,2-Tetrachloroethane [79-34-5]A 0.28 u ug/L 1 0.28 1.0 1BO1003 EPA 8260D 02/01/21 17:05 RKY 1,1,2-Trichloroethane [79-00-5]A 0.14 u ug/L 1 0.14 1.0 1BO1003 EPA 8260D 02/01/21 17:05 RKY 1,1-Dichloroethane [75-34-3]^ 0.13 u ug/L 1 0.13 1.0 1BO1003 EPA 8260D 02/01/21 17:05 RKY 1,1-Dichloroethene [75-35-4]^ 0.21 u ug/L 1 0.21 1.0 1BO1003 EPA 8260D 02/01/21 17:05 RKY 1,2,3-Trichloropropane [96-18-4]^ 0.23 u ug/L 1 0.23 1.0 1BO1003 EPA 8260D 02/01/21 17:05 RKY 1,2-Dibromo-3-chloropropane [96-12-8]^ 0.48 u ug/L 1 0.48 1.0 1BO1003 EPA 8260D 02/01/21 17:05 RKY 1,2-Dibromoethane [106-93-4]^ 0.66 u ug/L 1 0.66 1.0 1BO1003 EPA 8260D 02/01/21 17:05 RKY 1,2-Dichlorobenzene [95-50-1]^ 0.19 u ug/L 1 0.19 1.0 1BO1003 EPA 8260D 02/01/21 17:05 RKY 1,2-Dichloroethane [107-06-2]^ 0.21 u ug/L 1 0.21 1.0 1BO1003 EPA 8260D 02/01/21 17:05 RKY 1,2-Dichloropropane [78-87-5]^ 0.10 u ug/L 1 0.10 1.0 1BO1003 EPA 8260D 02/01/21 17:05 RKY 1,4-Dichlorobenzene [106-46-7]^ 0.19 u ug/L 1 0.19 1.0 1BO1003 EPA 8260D 02/01/21 17:05 RKY 2-Butanone [78-93-3]A 1.3 u ug/L 1 1.3 5.0 1BO1003 EPA 8260D 02/01/21 17:05 RKY 2-Hexanone [591-78-6]A 0.88 u ug/L 1 0.88 5.0 1BO1003 EPA 8260D 02/01/21 17:05 RKY 4-Methyl-2-pentanone [108-10-1]^ 1.1 u ug/L 1 1.1 5.0 1BO1003 EPA 8260D 02/01/21 17:05 RKY Acetone [67-64-1]A 10 u ug/L 1 10 20 1BO1003 EPA 8260D 02/01/21 17:05 RKY Acrylonitrile [107-13-1]^ 3.5 u ug/L 1 3.5 10 1BO1003 EPA 8260D 02/01/21 17:05 RKY Benzene[71-43-2]A 0.15 u ug/L 1 0.15 1.0 1BO1003 EPA 8260D 02/01/21 17:05 RKY Bromochloromethane [74-97-5]A 0.48 u ug/L 1 0.48 1.0 1BO1003 EPA 8260D 02/01/21 17:05 RKY QV-01 Bromodichloromethane [75-27-4]^ 0.17 u ug/L 1 0.17 1.0 1BO1003 EPA 8260D 02/01/21 17:05 RKY Bromoform [75-25-2]^ 0.22 u ug/L 1 0.22 1.0 1BO1003 EPA 8260D 02/01/21 17:05 RKY Bromomethane [74-83-9]A 0.14 u ug/L 1 0.14 1.0 1BO1003 EPA 8260D 02/01/21 17:05 RKY Carbon disulfide [75-15-0]A 1.5 u ug/L 1 1.5 5.0 1BO1003 EPA 8260D 02/01/21 17:05 RKY Carbon tetrachloride [56-23-5]A 0.17 u ug/L 1 0.17 1.0 1BO1003 EPA 8260D 02/01/21 17:05 RKY Chlorobenzene [108-90-7]A 0.17 u ug/L 1 0.17 1.0 1BO1003 EPA 8260D 02/01/21 17:05 RKY Chloroethane [75-00-3]A 0.23 u ug/L 1 0.23 1.0 1BO1003 EPA 8260D 02/01/21 17:05 RKY Chloroform [67-66-3]^ 0.18 u ug/L 1 0.18 1.0 1BO1003 EPA 8260D 02/01/21 17:05 RKY Chloromethane [74-87-3]A 0.13 u ug/L 1 0.13 1.0 1BO1003 EPA 8260D 02/01/21 17:05 RKY cis-1,2-Dichloroethene [156-59-2]^ 0.15 u ug/L 1 0.15 1.0 1BO1003 EPA 8260D 02/01/21 17:05 RKY cis-1,3-Dichloropropene [10061-01-5]A 0.20 u ug/L 1 0.20 1.0 1BO1003 EPA 8260D 02/01/21 17:05 RKY Dibromochloromethane [124-48-1]A 0.17 u ug/L 1 0.17 1.0 1BO1003 EPA 8260D 02/01/21 17:05 RKY Dibromomethane [74-95-3]A 0.27 u ug/L 1 0.27 1.0 1BO1003 EPA 8260D 02/01/21 17:05 RKY Ethylbenzene [100-41-4]A 0.13 u ug/L 1 0.13 1.0 1BO1003 EPA 8260D 02/01/21 17:05 RKY Iodomethane [74-88-4]^ 1.7 u ug/L 1 1.7 5.0 1BO1003 EPA 8260D 02/01/21 17:05 RKY Methylene chloride [75-09-2]A 0.23 u ug/L 1 0.23 1.0 1BO1003 EPA 8260D 02/01/21 17:05 RKY Styrene[100-42-5]A 0.11 u ug/L 1 0.11 1.0 1BO1003 EPA 8260D 02/01/21 17:05 RKY Tetrachloroethene [127-18-4]A 0.17 u ug/L 1 0.17 1.0 1BO1003 EPA 8260D 02/01/21 17:05 RKY Toluene [108-88-3]^ 0.14 u ug/L 1 0.14 1.0 1BO1003 EPA 8260D 02/01/21 17:05 RKY trans-1,2-Dichloroethene [156-60-5]^ 0.21 u ug/L 1 0.21 1.0 1BO1003 EPA 8260D 02/01/21 17:05 RKY trans-1,3-Dichloropropene [10061-02-6]^ 0.15 u ug/L 1 0.15 1.0 1BO1003 EPA 8260D 02/01/21 17:05 RKY trans-1,4-Dichloro-2-butene [110-57-6]A 0.70 u ug/L 1 0.70 1.0 1BO1003 EPA 8260D 02/01/21 17:05 RKY QV-01 Trichloroethene [79-01-6]^ 0.15 u ug/L 1 0.15 1.0 1BO1003 EPA 8260D 02/01/21 17:05 RKY Trichlorofluoromethane [75-69-4]^ 0.24 u ug/L 1 0.24 1.0 1BO1003 EPA 8260D 02/01/21 17:05 RKY Vinyl acetate [108-05-4]A 0.95 u ug/L 1 0.95 5.0 1BO1003 EPA 8260D 02/01/21 17:05 RKY QV-01 Vinyl chloride [75-01-4]^ 0.32 u ug/L 1 0.32 1.0 1BO1003 EPA 8260D 02/01/21 17:05 RKY Xylenes (Total) [1330-20-7]A 0.45 u ug/L 1 0.45 3.0 1BO1003 EPA 8260D 02/01/21 17:05 RKY FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 29 Of 73 (� �Eo www.encolabs.com ANALYTICAL RESULTS Description: 8003-MW24R Lab Sample ID:CE00222-11 Received: 01/28/21 10:30 Matrix: Ground Water Sampled:01/26/21 11:55 Work Order: CE00222 Project: Rowan County Active Landfills Sampled By: Darren Cox 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 47 1 50.0 94 % 53-136 IB01003 EPA 6260D 02/01/21 17:05 RKY Dibromofluoromethane 47 1 50.0 93 % 67-129 IB01003 EPA 6260D 02101121 17:05 RKY Toluene-d8 59 1 50.0 118 % 59-134 IB01003 EPA 6260D 02101121 17:05 RKY 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[7440-36-0]^ 0.740 U ug/L 2 0.740 2.00 1A28032 EPA 6020B 02/02/21 12:54 RLF Arsenic[7440-38-2]^ 7.60 U ug/L 1 7.60 10.0 1A28030 EPA 6010D 02/03/21 11:19 JDH Barium [7440-39-3]^ 57.2 ug/L 1 1.10 10.0 1A28030 EPA 6010D 02/03/21 11:19 JDH Beryllium [7440-41-7]^ 0.218 J ug/L 1 0.160 1.00 1A28030 EPA 6010D 02/03/21 11:19 JDH Cadmium [7440-43-9]^ 0.360 U ug/L 1 0.360 1.00 1A28030 EPA 6010D 02/03/21 11:19 JDH Chromium [7440-47-3]^ 1.41 J ug/L 1 1.40 10.0 1A28030 EPA 6010D 02/03/21 11:19 JDH Cobalt[7440-48-4]^ 1.40 U ug/L 1 1.40 10.0 1A28030 EPA 6010D 02/03/21 11:19 JDH Copper[7440-50-8]^ 1.99 J ug/L 1 1.60 10.0 1A28030 EPA 6010D 02/03/21 11:19 JDH Lead [7439-92-1]^ 3.10 U ug/L 1 3.10 10.0 1A28030 EPA 6010D 02/03/21 11:19 JDH Nickel[7440-02-0]^ 2.20 U ug/L 1 2.20 10.0 1A28030 EPA 6010D 02/03/21 11:19 JDH Selenium [7782-49-2]^ 6.20 U ug/L 1 6.20 10.0 1A28030 EPA 6010D 02/03/21 11:19 JDH Silver [7440-22-4]^ 1.90 U ug/L 1 1.90 10.0 1A28030 EPA 6010D 02/03/21 11:19 JDH Thallium [7440-28-0]^ 0.220 U ug/L 2 0.220 2.00 1A28032 EPA 6020B 02/02/21 12:54 RLF Vanadium [7440-62-2]^ 1.40 U ug/L 1 1.40 10.0 1A28030 EPA 6010D 02/03/21 11:19 JDH Zinc [7440-66-6]^ 4.40 U ug/L 1 4.40 10.0 1A28030 EPA 6010D 02/03/21 11:19 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 73 00� www.encolabs.com ANALYTICAL RESULTS Description: 8003-MW25 Lab Sample ID:CE00222-12 Received: 01/28/21 10:30 Matrix: Ground Water Sampled:01/26/21 15:09 Work Order: CE00222 Project: Rowan County Active Landfills Sampled By: Darren Cox Volatile Organic Compounds by GCMS ^ - ENCO Cary certfied anaiyte [NC 591] Analyte ICAS Numberl Results Flaa Units DF MDL P L Batch Method Analyzed By Notes 1,1,1,2-Tetrachloroethane [630-20-6]A 0.17 u ug/L 1 0.17 1.0 1BO1003 EPA 8260D 02/01/21 17:35 RKY 1,1,1-Trichloroethane [71-55-6]A 0.12 u ug/L 1 0.12 1.0 1BO1003 EPA 8260D 02/01/21 17:35 RKY 1,1,2,2-Tetrachloroethane [79-34-5]A 0.28 u ug/L 1 0.28 1.0 1BO1003 EPA 8260D 02/01/21 17:35 RKY 1,1,2-Trichloroethane [79-00-5]A 0.14 u ug/L 1 0.14 1.0 1BO1003 EPA 8260D 02/01/21 17:35 RKY 1,1-Dichloroethane [75-34-3]^ 0.13 u ug/L 1 0.13 1.0 1BO1003 EPA 8260D 02/01/21 17:35 RKY 1,1-Dichloroethene [75-35-4]^ 0.21 u ug/L 1 0.21 1.0 1BO1003 EPA 8260D 02/01/21 17:35 RKY 1,2,3-Trichloropropane [96-18-4]^ 0.23 u ug/L 1 0.23 1.0 1BO1003 EPA 8260D 02/01/21 17:35 RKY 1,2-Dibromo-3-chloropropane [96-12-8]^ 0.48 u ug/L 1 0.48 1.0 1BO1003 EPA 8260D 02/01/21 17:35 RKY 1,2-Dibromoethane [106-93-4]^ 0.66 u ug/L 1 0.66 1.0 1BO1003 EPA 8260D 02/01/21 17:35 RKY 1,2-Dichlorobenzene [95-50-1]^ 0.19 u ug/L 1 0.19 1.0 1BO1003 EPA 8260D 02/01/21 17:35 RKY 1,2-Dichloroethane [107-06-2]^ 0.21 u ug/L 1 0.21 1.0 1BO1003 EPA 8260D 02/01/21 17:35 RKY 1,2-Dichloropropane [78-87-5]^ 0.10 u ug/L 1 0.10 1.0 1BO1003 EPA 8260D 02/01/21 17:35 RKY 1,4-Dichlorobenzene [106-46-7]^ 0.19 u ug/L 1 0.19 1.0 1BO1003 EPA 8260D 02/01/21 17:35 RKY 2-Butanone [78-93-3]A 1.3 u ug/L 1 1.3 5.0 1BO1003 EPA 8260D 02/01/21 17:35 RKY 2-Hexanone [591-78-6]A 0.88 u ug/L 1 0.88 5.0 1BO1003 EPA 8260D 02/01/21 17:35 RKY 4-Methyl-2-pentanone [108-10-1]^ 1.1 u ug/L 1 1.1 5.0 1BO1003 EPA 8260D 02/01/21 17:35 RKY Acetone [67-64-1]A 10 u ug/L 1 10 20 1BO1003 EPA 8260D 02/01/21 17:35 RKY Acrylonitrile [107-13-1]^ 3.5 u ug/L 1 3.5 10 1BO1003 EPA 8260D 02/01/21 17:35 RKY Benzene[71-43-2]A 0.15 u ug/L 1 0.15 1.0 1BO1003 EPA 8260D 02/01/21 17:35 RKY Bromochloromethane [74-97-5]A 0.48 u ug/L 1 0.48 1.0 1BO1003 EPA 8260D 02/01/21 17:35 RKY QV-01 Bromodichloromethane [75-27-4]^ 0.17 u ug/L 1 0.17 1.0 1BO1003 EPA 8260D 02/01/21 17:35 RKY Bromoform [75-25-2]^ 0.22 u ug/L 1 0.22 1.0 1BO1003 EPA 8260D 02/01/21 17:35 RKY Bromomethane [74-83-9]A 0.14 u ug/L 1 0.14 1.0 1BO1003 EPA 8260D 02/01/21 17:35 RKY Carbon disulfide [75-15-0]A 1.5 u ug/L 1 1.5 5.0 1BO1003 EPA 8260D 02/01/21 17:35 RKY Carbon tetrachloride [56-23-5]A 0.17 u ug/L 1 0.17 1.0 1BO1003 EPA 8260D 02/01/21 17:35 RKY Chlorobenzene [108-90-7]A 0.17 u ug/L 1 0.17 1.0 1BO1003 EPA 8260D 02/01/21 17:35 RKY Chloroethane [75-00-3]A 0.23 u ug/L 1 0.23 1.0 1BO1003 EPA 8260D 02/01/21 17:35 RKY Chloroform [67-66-3]^ 0.18 u ug/L 1 0.18 1.0 1BO1003 EPA 8260D 02/01/21 17:35 RKY Chloromethane [74-87-3]A 0.13 u ug/L 1 0.13 1.0 1BO1003 EPA 8260D 02/01/21 17:35 RKY cis-1,2-Dichloroethene [156-59-2]^ 0.15 u ug/L 1 0.15 1.0 1BO1003 EPA 8260D 02/01/21 17:35 RKY cis-1,3-Dichloropropene [10061-01-5]A 0.20 u ug/L 1 0.20 1.0 1BO1003 EPA 8260D 02/01/21 17:35 RKY Dibromochloromethane [124-48-1]A 0.17 u ug/L 1 0.17 1.0 1BO1003 EPA 8260D 02/01/21 17:35 RKY Dibromomethane [74-95-3]A 0.27 u ug/L 1 0.27 1.0 1BO1003 EPA 8260D 02/01/21 17:35 RKY Ethylbenzene [100-41-4]A 0.13 u ug/L 1 0.13 1.0 1BO1003 EPA 8260D 02/01/21 17:35 RKY Iodomethane [74-88-4]^ 1.7 u ug/L 1 1.7 5.0 1BO1003 EPA 8260D 02/01/21 17:35 RKY Methylene chloride [75-09-2]A 0.23 u ug/L 1 0.23 1.0 1BO1003 EPA 8260D 02/01/21 17:35 RKY Styrene[100-42-5]A 0.11 u ug/L 1 0.11 1.0 1BO1003 EPA 8260D 02/01/21 17:35 RKY Tetrachloroethene [127-18-4]A 0.17 u ug/L 1 0.17 1.0 1BO1003 EPA 8260D 02/01/21 17:35 RKY Toluene [108-88-3]^ 0.14 u ug/L 1 0.14 1.0 1BO1003 EPA 8260D 02/01/21 17:35 RKY trans-1,2-Dichloroethene [156-60-5]^ 0.21 u ug/L 1 0.21 1.0 1BO1003 EPA 8260D 02/01/21 17:35 RKY trans-1,3-Dichloropropene [10061-02-6]^ 0.15 u ug/L 1 0.15 1.0 1BO1003 EPA 8260D 02/01/21 17:35 RKY trans-1,4-Dichloro-2-butene [110-57-6]A 0.70 u ug/L 1 0.70 1.0 1BO1003 EPA 8260D 02/01/21 17:35 RKY QV-01 Trichloroethene [79-01-6]^ 0.15 u ug/L 1 0.15 1.0 1BO1003 EPA 8260D 02/01/21 17:35 RKY Trichlorofluoromethane [75-69-4]^ 0.24 u ug/L 1 0.24 1.0 1BO1003 EPA 8260D 02/01/21 17:35 RKY Vinyl acetate [108-05-4]A 0.95 u ug/L 1 0.95 5.0 1BO1003 EPA 8260D 02/01/21 17:35 RKY QV-01 Vinyl chloride [75-01-4]^ 0.32 u ug/L 1 0.32 1.0 1BO1003 EPA 8260D 02/01/21 17:35 RKY Xylenes (Total) [1330-20-7]A 0.45 u ug/L 1 0.45 3.0 1BO1003 EPA 8260D 02/01/21 17:35 RKY FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 31 Of 73 (� �Eo www.encolabs.com ANALYTICAL RESULTS Description: 8003-MW25 Lab Sample ID:CE00222-12 Received: 01/28/21 10:30 Matrix: Ground Water Sampled:01/26/21 15:09 Work Order: CE00222 Project: Rowan County Active Landfills Sampled By: Darren Cox 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 46 1 50.0 93 % 53-136 IB01003 EPA 6260D 02101121 1735 RKY Dibromofluoromethane 47 1 50.0 94 % 67-129 IB01003 EPA 6260D 02101121 1735 RKY Toluene-d8 59 1 50.0 119 % 59-134 IB01003 EPA 6260D 02101121 1735 RKY 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[7440-36-0]^ 0.740 U ug/L 2 0.740 2.00 1A28032 EPA 6020B 02/02/21 12:58 RLF Arsenic [7440-38-2]^ 7.60 U ug/L 1 7.60 10.0 1A28030 EPA 6010D 02/03/21 11:22 JDH Barium [7440-39-3]^ 30.0 ug/L 1 1.10 10.0 1A28030 EPA 6010D 02/03/21 11:22 JDH Beryllium [7440-41-7]^ 0.160 U ug/L 1 0.160 1.00 1A28030 EPA 6010D 02/03/21 11:22 JDH Cadmium [7440-43-9]^ 0.360 U ug/L 1 0.360 1.00 1A28030 EPA 6010D 02/03/21 11:22 JDH Chromium [7440-47-3]^ 4.81 J ug/L 1 1.40 10.0 1A28030 EPA 6010D 02/03/21 11:22 JDH Cobalt [7440-48-4]^ 1.40 U ug/L 1 1.40 10.0 1A28030 EPA 6010D 02/03/21 11:22 JDH Copper[7440-50-8]^ 1.60 U ug/L 1 1.60 10.0 1A28030 EPA 6010D 02/03/21 11:22 JDH Lead [7439-92-1]^ 3.10 U ug/L 1 3.10 10.0 1A28030 EPA 6010D 02/03/21 11:22 JDH Nickel[7440-02-0]^ 2.20 U ug/L 1 2.20 10.0 1A28030 EPA 6010D 02/03/21 11:22 JDH Selenium [7782-49-2]^ 6.20 U ug/L 1 6.20 10.0 1A28030 EPA 6010D 02/03/21 11:22 JDH Silver [7440-22-4]^ 1.90 U ug/L 1 1.90 10.0 1A28030 EPA 6010D 02/03/21 11:22 JDH Thallium [7440-28-0]^ 0.220 U ug/L 2 0.220 2.00 1A28032 EPA 6020B 02/02/21 12:58 RLF Vanadium [7440-62-2]^ 7.93 J ug/L 1 1.40 10.0 1A28030 EPA 6010D 02/03/21 11:22 JDH Zinc [7440-66-6]^ 4.40 U ug/L 1 4.40 10.0 1A28030 EPA 6010D 02/03/21 11:22 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 73 0Nk"q09 www.encolabs.com ANALYTICAL RESULTS Description: 8003-MW26 Lab Sample ID:CE00222-13 Received: 01/28/21 10:30 Matrix: Ground Water Sampled:01/27/21 13:47 Work Order: CE00222 Project: Rowan County Active Landfills Sampled By: Darren Cox Volatile Organic Compounds by GCMS ^ - ENCO Cary rertified analyte [NC 591] Analyte FCAS Numberl Results Flaa Units DF MDL P L Batch Method Analyzed By Notes 1,1,1,2-Tetrachloroethane [630-20-6]A 0.17 U ug/L 1 0.17 1.0 1B02036 EPA 8260D 02/02/21 22:21 RKY 1,1,1-Trichloroethane [71-55-6]A 0.12 U ug/L 1 0.12 1.0 1B02036 EPA 8260D 02/02/21 22:21 RKY 1,1,2,2-Tetrachloroethane [79-34-5]A 0.28 U ug/L 1 0.28 1.0 1B02036 EPA 8260D 02/02/21 22:21 RKY 1,1,2-Trichloroethane [79-00-5]A 0.14 U ug/L 1 0.14 1.0 1B02036 EPA 8260D 02/02/21 22:21 RKY 1,1-Dichloroethane [75-34-3]A 0.13 U ug/L 1 0.13 1.0 1B02036 EPA 8260D 02/02/21 22:21 RKY 1,1-Dichloroethene [75-35-4]A 0.21 U ug/L 1 0.21 1.0 1B02036 EPA 8260D 02/02/21 22:21 RKY 1,2,3-Trichloropropane [96-18-4]A 0.23 U ug/L 1 0.23 1.0 1B02036 EPA 8260D 02/02/21 22:21 RKY 1,2-Dibromo-3-chloropropane [96-12-8]A 0.48 U ug/L 1 0.48 1.0 1B02036 EPA 8260D 02/02/21 22:21 RKY 1,2-Dibromoethane [106-93-4]A 0.66 U ug/L 1 0.66 1.0 1B02036 EPA 8260D 02/02/21 22:21 RKY 1,2-Dichlorobenzene [95-50-1]A 0.19 U ug/L 1 0.19 1.0 1B02036 EPA 8260D 02/02/21 22:21 RKY 1,2-Dichloroethane [107-06-2]A 0.21 U ug/L 1 0.21 1.0 1B02036 EPA 8260D 02/02/21 22:21 RKY 1,2-Dichloropropane [78-87-5]A 0.10 U ug/L 1 0.10 1.0 1B02036 EPA 8260D 02/02/21 22:21 RKY 1,4-Dichlorobenzene [106-46-7]A 0.19 U ug/L 1 0.19 1.0 1B02036 EPA 8260D 02/02/21 22:21 RKY 2-Butanone [78-93-3]A 1.3 U ug/L 1 1.3 5.0 1B02036 EPA 8260D 02/02/21 22:21 RKY QL-02, QV-01 2-Hexanone [591-78-6]A 0.88 U ug/L 1 0.88 5.0 1B02036 EPA 8260D 02/02/21 22:21 RKY 4-Methyl-2-pentanone [108-10-1]A 1.1 U ug/L 1 1.1 5.0 1B02036 EPA 8260D 02/02/21 22:21 RKY QV-01 Acetone [67-64-1]A 10 U ug/L 1 10 20 1B02036 EPA 8260D 02/02/21 22:21 RKY QL-02, QV-01 Acrylonitrile [107-13-1]A 3.5 U ug/L 1 3.5 10 1B02036 EPA 8260D 02/02/21 22:21 RKY Benzene[71-43-2]A 0.15 U ug/L 1 0.15 1.0 1B02036 EPA 8260D 02/02/21 22:21 RKY Bromochloromethane [74-97-5]A 0.48 U ug/L 1 0.48 1.0 1B02036 EPA 8260D 02/02/21 22:21 RKY Bromodichloromethane [75-27-4]A 0.17 U ug/L 1 0.17 1.0 1BO2036 EPA 8260D 02/02/21 22:21 RKY Bromoform [75-25-2]A 0.22 U ug/L 1 0.22 1.0 1B02036 EPA 8260D 02/02/21 22:21 RKY Bromomethane [74-83-9]A 0.14 U ug/L 1 0.14 1.0 1BO2036 EPA 8260D 02/02/21 22:21 RKY Carbon disulfide [75-15-0]A 1.5 U ug/L 1 1.5 5.0 1B02036 EPA 8260D 02/02/21 22:21 RKY Carbon tetrachloride [56-23-5]A 0.17 U ug/L 1 0.17 1.0 1B02036 EPA 8260D 02/02/21 22:21 RKY Chlorobenzene[108-90-7]A 0.17 U ug/L 1 0.17 1.0 1B02036 EPA 8260D 02/02/21 22:21 RKY Chloroethane [75-00-3]A 0.23 U ug/L 1 0.23 1.0 1B02036 EPA 8260D 02/02/21 22:21 RKY Chloroform [67-66-3]A 0.18 U ug/L 1 0.18 1.0 1B02036 EPA 8260D 02/02/21 22:21 RKY Chloromethane [74-87-3]A 0.13 U ug/L 1 0.13 1.0 1B02036 EPA 8260D 02/02/21 22:21 RKY cis-1,2-Dichloroethene [156-59-2]A 0.15 U ug/L 1 0.15 1.0 1BO2036 EPA 8260D 02/02/21 22:21 RKY cis-1,3-Dichloropropene [10061-01-5]A 0.20 U ug/L 1 0.20 1.0 1B02036 EPA 8260D 02/02/21 22:21 RKY Dibromochloromethane [124-48-1]A 0.17 U ug/L 1 0.17 1.0 1B02036 EPA 8260D 02/02/21 22:21 RKY Dibromomethane [74-95-3]A 0.27 U ug/L 1 0.27 1.0 1B02036 EPA 8260D 02/02/21 22:21 RKY Ethylbenzene[100-41-4]A 0.13 U ug/L 1 0.13 1.0 1B02036 EPA 8260D 02/02/21 22:21 RKY Iodomethane [74-88-4]A 1.7 U ug/L 1 1.7 5.0 1BO2036 EPA 8260D 02/02/21 22:21 RKY Methylene chloride [75-09-2]A 0.23 U ug/L 1 0.23 1.0 1B02036 EPA 8260D 02/02/21 22:21 RKY Styrene[100-42-5]A 0.11 U ug/L 1 0.11 1.0 1B02036 EPA 8260D 02/02/21 22:21 RKY Tetrachloroethene [127-18-4]A 0.17 U ug/L 1 0.17 1.0 1B02036 EPA 8260D 02/02/21 22:21 RKY Toluene [108-88-3]A 0.14 U ug/L 1 0.14 1.0 1B02036 EPA 8260D 02/02/21 22:21 RKY trans-1,2-Dichloroethene [156-60-5]A 0.21 U ug/L 1 0.21 1.0 1B02036 EPA 8260D 02/02/21 22:21 RKY trans-1,3-Dichloropropene [10061-02-6]A 0.15 U ug/L 1 0.15 1.0 1B02036 EPA 8260D 02/02/21 22:21 RKY trans-1,4-Dichloro-2-butene [110-57-6]A 0.70 U ug/L 1 0.70 1.0 1B02036 EPA 8260D 02/02/21 22:21 RKY Trichloroethene [79-01-6]A 0.15 U ug/L 1 0.15 1.0 1B02036 EPA 8260D 02/02/21 22:21 RKY Trichlorofluoromethane [75-69-4]A 0.24 U ug/L 1 0.24 1.0 1B02036 EPA 8260D 02/02/21 22:21 RKY Vinyl acetate [108-05-4]A 0.95 U ug/L 1 0.95 5.0 1B02036 EPA 8260D 02/02/21 22:21 RKY QV-01 FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 33 Of 73 (� �Eo www.encolabs.com ANALYTICAL RESULTS Description: 8003-MW26 Lab Sample ID:CE00222-13 Received: 01/28/21 10:30 Matrix: Ground Water Sampled:01/27/21 13:47 Work Order: CE00222 Project: Rowan County Active Landfills Sampled By: Darren Cox 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 Vinyl chloride [75-01-4]^ 0.32 U ug/L 1 0.32 1.0 1B02036 EPA 8260D 02/02/21 22:21 RKY Xylenes (Total) [1330-20-7]^ 0.45 U ug/L 1 0.45 3.0 1B02036 EPA 8260D 02/02/21 22:21 RKY Surrogates Results DF Spike Lv/ % Rec % Rec Limits Batch Method Ana/vzed By Notes 4-Bromofluorobenzene 49 1 50.0 99 % 53-136 IB02036 EPA 8260D 02102121 22:21 RKY Dlbromofluoromethane 51 1 50.0 102 % 67-129 IB02036 EPA 8260D 02102121 22:21 RKY Toluene-d8 61 1 50.0 122 % 59-134 IB02036 EPA 8260D 02102121 22:21 RKY 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[7440-36-0]^ 0.740 u ug/L 2 0.740 2.00 1A28032 EPA 6020B 02/02/21 13:02 RLF Arsenic [7440-38-2]^ 7.60 u ug/L 1 7.60 10.0 1A28030 EPA 6010D 02/03/21 11:24 JDH Barium [7440-39-3]^ 78.8 ug/L 1 1.10 10.0 1A28030 EPA 6010D 02/03/21 11:24 JDH Beryllium [7440-41-7]^ 0.276 J ug/L 1 0.160 1.00 1A28030 EPA 6010D 02/03/21 11:24 JDH Cadmium [7440-43-9]^ 0.360 u ug/L 1 0.360 1.00 1A28030 EPA 6010D 02/03/21 11:24 JDH Chromium [7440-47-3]^ 1.40 u ug/L 1 1.40 10.0 1A28030 EPA 6010D 02/03/21 11:24 JDH Cobalt [7440-48-4]^ 1.40 u ug/L 1 1.40 10.0 1A28030 EPA 6010D 02/03/21 11:24 JDH Copper[7440-50-8]^ 1.65 J ug/L 1 1.60 10.0 1A28030 EPA 6010D 02/03/21 11:24 JDH Lead [7439-92-1]^ 3.10 u ug/L 1 3.10 10.0 1A28030 EPA 6010D 02/03/21 11:24 JDH Nickel[7440-02-0]^ 2.20 u ug/L 1 2.20 10.0 1A28030 EPA 6010D 02/03/21 11:24 JDH Selenium [7782-49-2]^ 6.20 u ug/L 1 6.20 10.0 1A28030 EPA 6010D 02/03/21 11:24 JDH Silver [7440-22-4]^ 1.90 u ug/L 1 1.90 10.0 1A28030 EPA 6010D 02/03/21 11:24 JDH Thallium [7440-28-0]^ 0.220 u ug/L 2 0.220 2.00 1A28032 EPA 6020B 02/02/21 13:02 RLF Vanadium [7440-62-2]^ 1.40 u ug/L 1 1.40 10.0 1A28030 EPA 6010D 02/03/21 11:24 JDH Zinc [7440-66-6]^ 4.40 u ug/L 1 4.40 10.0 1A28030 EPA 6010D 02/03/21 11:24 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 73 0Nk"q09 www.encolabs.com ANALYTICAL RESULTS Description: 8003-MW27 Lab Sample ID:CE00222-14 Received: 01/28/21 10:30 Matrix: Ground Water Sampled:01/27/21 11:00 Work Order: CE00222 Project: Rowan County Active Landfills Sampled By: Darren Cox Volatile Organic Compounds by GCMS ^ - ENCO Cary rertified analyte [NC 591] Analyte FCAS Numberl Results Flaa Units DF MDL P L Batch Method Analyzed By Notes 1,1,1,2-Tetrachloroethane [630-20-6]A 0.17 U ug/L 1 0.17 1.0 1B02036 EPA 8260D 02/02/21 22:49 RKY 1,1,1-Trichloroethane [71-55-6]A 0.12 U ug/L 1 0.12 1.0 1B02036 EPA 8260D 02/02/21 22:49 RKY 1,1,2,2-Tetrachloroethane [79-34-5]A 0.28 U ug/L 1 0.28 1.0 1B02036 EPA 8260D 02/02/21 22:49 RKY 1,1,2-Trichloroethane [79-00-5]A 0.14 U ug/L 1 0.14 1.0 1B02036 EPA 8260D 02/02/21 22:49 RKY 1,1-Dichloroethane [75-34-3]A 0.13 U ug/L 1 0.13 1.0 1B02036 EPA 8260D 02/02/21 22:49 RKY 1,1-Dichloroethene [75-35-4]A 0.21 U ug/L 1 0.21 1.0 1B02036 EPA 8260D 02/02/21 22:49 RKY 1,2,3-Trichloropropane [96-18-4]A 0.23 U ug/L 1 0.23 1.0 1B02036 EPA 8260D 02/02/21 22:49 RKY 1,2-Dibromo-3-chloropropane [96-12-8]A 0.48 U ug/L 1 0.48 1.0 1B02036 EPA 8260D 02/02/21 22:49 RKY 1,2-Dibromoethane [106-93-4]A 0.66 U ug/L 1 0.66 1.0 1B02036 EPA 8260D 02/02/21 22:49 RKY 1,2-Dichlorobenzene [95-50-1]A 0.19 U ug/L 1 0.19 1.0 1B02036 EPA 8260D 02/02/21 22:49 RKY 1,2-Dichloroethane [107-06-2]A 0.21 U ug/L 1 0.21 1.0 1B02036 EPA 8260D 02/02/21 22:49 RKY 1,2-Dichloropropane [78-87-5]A 0.10 U ug/L 1 0.10 1.0 1B02036 EPA 8260D 02/02/21 22:49 RKY 1,4-Dichlorobenzene [106-46-7]A 0.19 U ug/L 1 0.19 1.0 1B02036 EPA 8260D 02/02/21 22:49 RKY 2-Butanone [78-93-3]A 1.3 U ug/L 1 1.3 5.0 1B02036 EPA 8260D 02/02/21 22:49 RKY QL-02, QV-01 2-Hexanone [591-78-6]A 0.88 U ug/L 1 0.88 5.0 1B02036 EPA 8260D 02/02/21 22:49 RKY 4-Methyl-2-pentanone [108-10-1]A 1.1 U ug/L 1 1.1 5.0 1B02036 EPA 8260D 02/02/21 22:49 RKY QV-01 Acetone [67-64-1]A 10 U ug/L 1 10 20 1B02036 EPA 8260D 02/02/21 22:49 RKY QL-02, QV-01 Acrylonitrile [107-13-1]A 3.5 U ug/L 1 3.5 10 1B02036 EPA 8260D 02/02/21 22:49 RKY Benzene[71-43-2]A 0.15 U ug/L 1 0.15 1.0 1B02036 EPA 8260D 02/02/21 22:49 RKY Bromochloromethane [74-97-5]A 0.48 U ug/L 1 0.48 1.0 1B02036 EPA 8260D 02/02/21 22:49 RKY Bromodichloromethane [75-27-4]A 0.17 U ug/L 1 0.17 1.0 1B02036 EPA 8260D 02/02/21 22:49 RKY Bromoform [75-25-2]A 0.22 U ug/L 1 0.22 1.0 1B02036 EPA 8260D 02/02/21 22:49 RKY Bromomethane [74-83-9]A 0.14 U ug/L 1 0.14 1.0 1B02036 EPA 8260D 02/02/21 22:49 RKY Carbon disulfide [75-15-0]A 1.5 U ug/L 1 1.5 5.0 1B02036 EPA 8260D 02/02/21 22:49 RKY Carbon tetrachloride [56-23-5]A 0.17 U ug/L 1 0.17 1.0 1B02036 EPA 8260D 02/02/21 22:49 RKY Chlorobenzene[108-90-7]A 0.17 U ug/L 1 0.17 1.0 1B02036 EPA 8260D 02/02/21 22:49 RKY Chloroethane [75-00-3]A 0.23 U ug/L 1 0.23 1.0 1B02036 EPA 8260D 02/02/21 22:49 RKY Chloroform [67-66-3]A 0.18 U ug/L 1 0.18 1.0 1B02036 EPA 8260D 02/02/21 22:49 RKY Chloromethane [74-87-3]A 0.13 U ug/L 1 0.13 1.0 1B02036 EPA 8260D 02/02/21 22:49 RKY cis-1,2-Dichloroethene [156-59-2]A 0.15 U ug/L 1 0.15 1.0 1BO2036 EPA 8260D 02/02/21 22:49 RKY cis-1,3-Dichloropropene [10061-01-5]A 0.20 U ug/L 1 0.20 1.0 1B02036 EPA 8260D 02/02/21 22:49 RKY Dibromochloromethane [124-48-1]A 0.17 U ug/L 1 0.17 1.0 1B02036 EPA 8260D 02/02/21 22:49 RKY Dibromomethane [74-95-3]A 0.27 U ug/L 1 0.27 1.0 1B02036 EPA 8260D 02/02/21 22:49 RKY Ethylbenzene[100-41-4]A 0.13 U ug/L 1 0.13 1.0 1B02036 EPA 8260D 02/02/21 22:49 RKY Iodomethane [74-88-4]A 1.7 U ug/L 1 1.7 5.0 1B02036 EPA 8260D 02/02/21 22:49 RKY Methylene chloride [75-09-2]A 0.23 U ug/L 1 0.23 1.0 1B02036 EPA 8260D 02/02/21 22:49 RKY Styrene[100-42-5]A 0.11 U ug/L 1 0.11 1.0 1B02036 EPA 8260D 02/02/21 22:49 RKY Tetrachloroethene [127-18-4]A 0.17 U ug/L 1 0.17 1.0 1B02036 EPA 8260D 02/02/21 22:49 RKY Toluene [108-88-3]A 0.14 U ug/L 1 0.14 1.0 1B02036 EPA 8260D 02/02/21 22:49 RKY trans-1,2-Dichloroethene [156-60-5]A 0.21 U ug/L 1 0.21 1.0 1B02036 EPA 8260D 02/02/21 22:49 RKY trans-1,3-Dichloropropene [10061-02-6]A 0.15 U ug/L 1 0.15 1.0 1B02036 EPA 8260D 02/02/21 22:49 RKY trans-1,4-Dichloro-2-butene [110-57-6]A 0.70 U ug/L 1 0.70 1.0 1B02036 EPA 8260D 02/02/21 22:49 RKY Trichloroethene [79-01-6]A 0.15 U ug/L 1 0.15 1.0 1B02036 EPA 8260D 02/02/21 22:49 RKY Trichlorofluoromethane [75-69-4]A 0.24 U ug/L 1 0.24 1.0 1B02036 EPA 8260D 02/02/21 22:49 RKY Vinyl acetate [108-05-4]A 0.95 U ug/L 1 0.95 5.0 1B02036 EPA 8260D 02/02/21 22:49 RKY QV-01 FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 35 Of 73 (� �Eo www.encolabs.com ANALYTICAL RESULTS Description: 8003-MW27 Lab Sample ID:CE00222-14 Received: 01/28/21 10:30 Matrix: Ground Water Sampled:01/27/21 11:00 Work Order: CE00222 Project: Rowan County Active Landfills Sampled By: Darren Cox Volatile Organic Compounds by GCMS ^ - ENCO Cary certified analyte [NC 591] Analyte KAS Numberl Results Flaa Units DF MDL POLL Batch Method Analyzed AX Notes Vinyl chloride [75-01-4]^ 0.32 U ug/L 1 0.32 1.0 1B02036 EPA 8260D 02/02/21 22:49 RKY Xylenes (Total) [1330-20-7]^ 0.45 U ug/L 1 0.45 3.0 1B02036 EPA 8260D 02/02/21 22:49 RKY Surrogates Results DF Spike Lv/ % Rec % Rec Limits Batch Method Ana/vzed By Notes 4-Bromofluorobenzene 50 1 50.0 101 % 53-136 IB02036 EPA 8260D 02102121 22:49 RKY Dlbromofluoromethane 52 1 50.0 104 % 67-129 IB02036 EPA 6260D 02102121 22:49 RKY Toluene-d8 61 1 50.0 122 % 59-134 IB02036 EPA 6260D 02102121 22:49 RKY 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 [7440-36-0]^ 0.740 u ug/L 2 0.740 2.00 1A28032 EPA 6020B 02/02/21 13:15 RLF Arsenic [7440-38-2]^ 7.60 u ug/L 1 7.60 10.0 1A28030 EPA 6010D 02/03/21 11:27 JDH Barium [7440-39-3]^ 82.2 ug/L 1 1.10 10.0 1A28030 EPA 6010D 02/03/21 11:27 JDH Beryllium [7440-41-7]^ 0.247 J ug/L 1 0.160 1.00 1A28030 EPA 6010D 02/03/21 11:27 JDH Cadmium [7440-43-9]^ 0.360 u ug/L 1 0.360 1.00 1A28030 EPA 6010D 02/03/21 11:27 JDH Chromium [7440-47-3]^ 1.40 u ug/L 1 1.40 10.0 1A28030 EPA 6010D 02/03/21 11:27 JDH Cobalt [7440-48-4]^ 1.40 u ug/L 1 1.40 10.0 1A28030 EPA 6010D 02/03/21 11:27 JDH Copper[7440-50-8]^ 1.60 u ug/L 1 1.60 10.0 1A28030 EPA 6010D 02/03/21 11:27 JDH Lead [7439-92-1]^ 3.10 u ug/L 1 3.10 10.0 1A28030 EPA 6010D 02/03/21 11:27 JDH Nickel[7440-02-0]^ 2.20 u ug/L 1 2.20 10.0 1A28030 EPA 6010D 02/03/21 11:27 JDH Selenium [7782-49-2]^ 6.20 u ug/L 1 6.20 10.0 1A28030 EPA 6010D 02/03/21 11:27 JDH Silver [7440-22-4]^ 1.90 u ug/L 1 1.90 10.0 1A28030 EPA 6010D 02/03/21 11:27 JDH Thallium [7440-28-0]^ 0.220 u ug/L 2 0.220 2.00 1A28032 EPA 6020B 02/02/21 13:15 RLF Vanadium [7440-62-2]^ 1.40 u ug/L 1 1.40 10.0 1A28030 EPA 6010D 02/03/21 11:27 JDH Zinc [7440-66-6]^ 4.40 u ug/L 1 4.40 10.0 1A28030 EPA 6010D 02/03/21 11:27 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 73 0Nk"q09 www.encolabs.com ANALYTICAL RESULTS Description: 8003-MW28R Lab Sample ID:CE00222-15 Received: 01/28/21 10:30 Matrix: Ground Water Sampled:01/27/21 13:15 Work Order: CE00222 Project: Rowan County Active Landfills Sampled By: Darren Cox Volatile Organic Compounds by GCMS ^ - ENCO Cary rertified analyte [NC 591] Analyte FCAS Numberl Results Flaa Units DF MDL P L Batch Method Analyzed By Notes 1,1,1,2-Tetrachloroethane [630-20-6]A 0.17 U ug/L 1 0.17 1.0 1B02036 EPA 8260D 02/02/21 23:17 RKY 1,1,1-Trichloroethane [71-55-6]A 0.12 U ug/L 1 0.12 1.0 1B02036 EPA 8260D 02/02/21 23:17 RKY 1,1,2,2-Tetrachloroethane [79-34-5]A 0.28 U ug/L 1 0.28 1.0 1B02036 EPA 8260D 02/02/21 23:17 RKY 1,1,2-Trichloroethane [79-00-5]A 0.14 U ug/L 1 0.14 1.0 1B02036 EPA 8260D 02/02/21 23:17 RKY 1,1-Dichloroethane [75-34-3]A 0.13 U ug/L 1 0.13 1.0 1B02036 EPA 8260D 02/02/21 23:17 RKY 1,1-Dichloroethene [75-35-4]A 0.21 U ug/L 1 0.21 1.0 1B02036 EPA 8260D 02/02/21 23:17 RKY 1,2,3-Trichloropropane [96-18-4]A 0.23 U ug/L 1 0.23 1.0 1B02036 EPA 8260D 02/02/21 23:17 RKY 1,2-Dibromo-3-chloropropane [96-12-8]A 0.48 U ug/L 1 0.48 1.0 1B02036 EPA 8260D 02/02/21 23:17 RKY 1,2-Dibromoethane [106-93-4]A 0.66 U ug/L 1 0.66 1.0 1B02036 EPA 8260D 02/02/21 23:17 RKY 1,2-Dichlorobenzene [95-50-1]A 0.19 U ug/L 1 0.19 1.0 1B02036 EPA 8260D 02/02/21 23:17 RKY 1,2-Dichloroethane [107-06-2]A 0.21 U ug/L 1 0.21 1.0 1B02036 EPA 8260D 02/02/21 23:17 RKY 1,2-Dichloropropane [78-87-5]A 0.10 U ug/L 1 0.10 1.0 1B02036 EPA 8260D 02/02/21 23:17 RKY 1,4-Dichlorobenzene [106-46-7]A 0.19 U ug/L 1 0.19 1.0 1B02036 EPA 8260D 02/02/21 23:17 RKY 2-Butanone [78-93-3]A 1.3 U ug/L 1 1.3 5.0 1B02036 EPA 8260D 02/02/21 23:17 RKY QL-02, QV-01 2-Hexanone [591-78-6]A 0.88 U ug/L 1 0.88 5.0 1B02036 EPA 8260D 02/02/21 23:17 RKY 4-Methyl-2-pentanone [108-10-1]A 1.1 U ug/L 1 1.1 5.0 1B02036 EPA 8260D 02/02/21 23:17 RKY QV-01 Acetone [67-64-1]A 10 U ug/L 1 10 20 1B02036 EPA 8260D 02/02/21 23:17 RKY QL-02, QV-01 Acrylonitrile [107-13-1]A 3.5 U ug/L 1 3.5 10 1B02036 EPA 8260D 02/02/21 23:17 RKY Benzene[71-43-2]A 0.15 U ug/L 1 0.15 1.0 1B02036 EPA 8260D 02/02/21 23:17 RKY Bromochloromethane [74-97-5]A 0.48 U ug/L 1 0.48 1.0 1B02036 EPA 8260D 02/02/21 23:17 RKY Bromodichloromethane [75-27-4]A 0.17 U ug/L 1 0.17 1.0 1B02036 EPA 8260D 02/02/21 23:17 RKY Bromoform [75-25-2]A 0.22 U ug/L 1 0.22 1.0 1B02036 EPA 8260D 02/02/21 23:17 RKY Bromomethane [74-83-9]A 0.14 U ug/L 1 0.14 1.0 1B02036 EPA 8260D 02/02/21 23:17 RKY Carbon disulfide [75-15-0]A 1.5 U ug/L 1 1.5 5.0 1B02036 EPA 8260D 02/02/21 23:17 RKY Carbon tetrachloride [56-23-5]A 0.17 U ug/L 1 0.17 1.0 1B02036 EPA 8260D 02/02/21 23:17 RKY Chlorobenzene[108-90-7]A 0.17 U ug/L 1 0.17 1.0 1B02036 EPA 8260D 02/02/21 23:17 RKY Chloroethane [75-00-3]A 0.23 U ug/L 1 0.23 1.0 1B02036 EPA 8260D 02/02/21 23:17 RKY Chloroform [67-66-3]A 0.18 U ug/L 1 0.18 1.0 1B02036 EPA 8260D 02/02/21 23:17 RKY Chloromethane [74-87-3]A 0.13 U ug/L 1 0.13 1.0 1B02036 EPA 8260D 02/02/21 23:17 RKY cis-1,2-Dichloroethene [156-59-2]A 0.15 U ug/L 1 0.15 1.0 1BO2036 EPA 8260D 02/02/21 23:17 RKY cis-1,3-Dichloropropene [10061-01-5]A 0.20 U ug/L 1 0.20 1.0 1B02036 EPA 8260D 02/02/21 23:17 RKY Dibromochloromethane [124-48-1]A 0.17 U ug/L 1 0.17 1.0 1B02036 EPA 8260D 02/02/21 23:17 RKY Dibromomethane [74-95-3]A 0.27 U ug/L 1 0.27 1.0 1B02036 EPA 8260D 02/02/21 23:17 RKY Ethylbenzene[100-41-4]A 0.13 U ug/L 1 0.13 1.0 1B02036 EPA 8260D 02/02/21 23:17 RKY Iodomethane [74-88-4]A 1.7 U ug/L 1 1.7 5.0 1B02036 EPA 8260D 02/02/21 23:17 RKY Methylene chloride [75-09-2]A 0.23 U ug/L 1 0.23 1.0 1B02036 EPA 8260D 02/02/21 23:17 RKY Styrene[100-42-5]A 0.11 U ug/L 1 0.11 1.0 1B02036 EPA 8260D 02/02/21 23:17 RKY Tetrachloroethene [127-18-4]A 0.17 U ug/L 1 0.17 1.0 1B02036 EPA 8260D 02/02/21 23:17 RKY Toluene [108-88-3]A 0.14 U ug/L 1 0.14 1.0 1B02036 EPA 8260D 02/02/21 23:17 RKY trans-1,2-Dichloroethene [156-60-5]A 0.21 U ug/L 1 0.21 1.0 1B02036 EPA 8260D 02/02/21 23:17 RKY trans-1,3-Dichloropropene [10061-02-6]A 0.15 U ug/L 1 0.15 1.0 1B02036 EPA 8260D 02/02/21 23:17 RKY trans-1,4-Dichloro-2-butene [110-57-6]A 0.70 U ug/L 1 0.70 1.0 1B02036 EPA 8260D 02/02/21 23:17 RKY Trichloroethene [79-01-6]A 0.15 U ug/L 1 0.15 1.0 1B02036 EPA 8260D 02/02/21 23:17 RKY Trichlorofluoromethane [75-69-4]A 0.24 U ug/L 1 0.24 1.0 1B02036 EPA 8260D 02/02/21 23:17 RKY Vinyl acetate [108-05-4]A 0.95 U ug/L 1 0.95 5.0 1B02036 EPA 8260D 02/02/21 23:17 RKY QV-01 FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 37 Of 73 (� �Eo www.encolabs.com ANALYTICAL RESULTS Description: 8003-MW28R Lab Sample ID:CE00222-15 Received: 01/28/21 10:30 Matrix: Ground Water Sampled:01/27/21 13:15 Work Order: CE00222 Project: Rowan County Active Landfills Sampled By: Darren Cox 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 Vinyl chloride [75-01-4]^ 0.32 U ug/L 1 0.32 1.0 1B02036 EPA 8260D 02/02/21 23:17 RKY Xylenes (Total) [1330-20-7]^ 0.45 U ug/L 1 0.45 3.0 1B02036 EPA 8260D 02/02/21 23:17 RKY Surrogates Results DF Spike Lv/ % Rec % Rec Limits Batch Method Ana/vzed By Notes 4-Bromofluorobenzene 50 1 50.0 100 % 53-136 IB02036 EPA 8260D 02102121 23:17 RKY Dlbromofluoromethane 51 1 50.0 102 % 67-129 IB02036 EPA 6260D 02102121 23:17 RKY Toluene-d8 62 1 50.0 124 % 59-134 IB02036 EPA 6260D 02102121 23:17 RKY 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 [7440-36-0]^ 0.740 u ug/L 2 0.740 2.00 1A28032 EPA 6020B 02/02/21 13:19 RLF Arsenic [7440-38-2]^ 7.60 u ug/L 1 7.60 10.0 1A28030 EPA 6010D 02/03/21 11:34 JDH Barium [7440-39-3]^ 427 ug/L 1 1.10 10.0 1A28030 EPA 6010D 02/03/21 11:34 JDH Beryllium [7440-41-7]^ 0.665 J ug/L 1 0.160 1.00 1A28030 EPA 6010D 02/03/21 11:34 JDH Cadmium [7440-43-9]^ 0.360 u ug/L 1 0.360 1.00 1A28030 EPA 6010D 02/03/21 11:34 JDH Chromium [7440-47-3]^ 1.40 u ug/L 1 1.40 10.0 1A28030 EPA 6010D 02/03/21 11:34 JDH Cobalt[7440-48-4]^ 4.11 J ug/L 1 1.40 10.0 1A28030 EPA 6010D 02/03/21 11:34 JDH Copper[7440-50-8]^ 1.60 u ug/L 1 1.60 10.0 1A28030 EPA 6010D 02/03/21 11:34 JDH Lead [7439-92-1]^ 3.10 u ug/L 1 3.10 10.0 1A28030 EPA 6010D 02/03/21 11:34 JDH Nickel[7440-02-O]^ 3.09 J ug/L 1 2.20 10.0 1A28030 EPA 6010D 02/03/21 11:34 JDH Selenium [7782-49-2]^ 6.20 u ug/L 1 6.20 10.0 1A28030 EPA 6010D 02/03/21 11:34 JDH Silver [7440-22-4]^ 1.90 u ug/L 1 1.90 10.0 1A28030 EPA 6010D 02/03/21 11:34 JDH Thallium [7440-28-0]^ 0.220 u ug/L 2 0.220 2.00 1A28032 EPA 6020B 02/02/21 13:19 RLF Vanadium [7440-62-2]^ 1.40 u ug/L 1 1.40 10.0 1A28030 EPA 6010D 02/03/21 11:34 JDH Zinc [7440-66-6]^ 4.40 u ug/L 1 4.40 10.0 1A28030 EPA 6010D 02/03/21 11:34 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 73 0Nk"q09 www.encolabs.com ANALYTICAL RESULTS Description: 8003-French Drain Lab Sample ID:CE00222-16 Received: 01/28/21 10:30 Matrix: Ground Water Sampled:01/27/21 10:44 Work Order: CE00222 Project: Rowan County Active Landfills Sampled By: Darren Cox Volatile Organic Compounds by GCMS ^ - ENCO Cary rertified analyte [NC 591] Analyte FCAS Numberl Results Flaa Units DF MDL P L Batch Method Analyzed By Notes 1,1,1,2-Tetrachloroethane [630-20-6]A 0.17 U ug/L 1 0.17 1.0 1B02036 EPA 8260D 02/02/21 23:44 RKY 1,1,1-Trichloroethane [71-55-6]A 0.12 U ug/L 1 0.12 1.0 1B02036 EPA 8260D 02/02/21 23:44 RKY 1,1,2,2-Tetrachloroethane [79-34-5]A 0.28 U ug/L 1 0.28 1.0 1B02036 EPA 8260D 02/02/21 23:44 RKY 1,1,2-Trichloroethane [79-00-5]A 0.14 U ug/L 1 0.14 1.0 1B02036 EPA 8260D 02/02/21 23:44 RKY 1,1-Dichloroethane [75-34-3]A 0.13 U ug/L 1 0.13 1.0 1B02036 EPA 8260D 02/02/21 23:44 RKY 1,1-Dichloroethene [75-35-4]A 0.21 U ug/L 1 0.21 1.0 1B02036 EPA 8260D 02/02/21 23:44 RKY 1,2,3-Trichloropropane [96-18-4]A 0.23 U ug/L 1 0.23 1.0 1B02036 EPA 8260D 02/02/21 23:44 RKY 1,2-Dibromo-3-chloropropane [96-12-8]A 0.48 U ug/L 1 0.48 1.0 1B02036 EPA 8260D 02/02/21 23:44 RKY 1,2-Dibromoethane [106-93-4]A 0.66 U ug/L 1 0.66 1.0 1B02036 EPA 8260D 02/02/21 23:44 RKY 1,2-Dichlorobenzene [95-50-1]A 0.19 U ug/L 1 0.19 1.0 1B02036 EPA 8260D 02/02/21 23:44 RKY 1,2-Dichloroethane [107-06-2]A 0.21 U ug/L 1 0.21 1.0 1B02036 EPA 8260D 02/02/21 23:44 RKY 1,2-Dichloropropane [78-87-5]A 0.10 U ug/L 1 0.10 1.0 1B02036 EPA 8260D 02/02/21 23:44 RKY 1,4-Dichlorobenzene [106-46-7]A 0.19 U ug/L 1 0.19 1.0 1B02036 EPA 8260D 02/02/21 23:44 RKY 2-Butanone [78-93-3]A 1.3 U ug/L 1 1.3 5.0 1B02036 EPA 8260D 02/02/21 23:44 RKY QL-02, QV-01 2-Hexanone [591-78-6]A 0.88 U ug/L 1 0.88 5.0 1B02036 EPA 8260D 02/02/21 23:44 RKY 4-Methyl-2-pentanone [108-10-1]A 1.1 U ug/L 1 1.1 5.0 1B02036 EPA 8260D 02/02/21 23:44 RKY QV-01 Acetone [67-64-1]A 10 U ug/L 1 10 20 1B02036 EPA 8260D 02/02/21 23:44 RKY QL-02, QV-01 Acrylonitrile [107-13-1]A 3.5 U ug/L 1 3.5 10 1B02036 EPA 8260D 02/02/21 23:44 RKY Benzene[71-43-2]A 0.15 U ug/L 1 0.15 1.0 1B02036 EPA 8260D 02/02/21 23:44 RKY Bromochloromethane [74-97-5]A 0.48 U ug/L 1 0.48 1.0 1B02036 EPA 8260D 02/02/21 23:44 RKY Bromodichloromethane [75-27-4]A 0.17 U ug/L 1 0.17 1.0 1B02036 EPA 8260D 02/02/21 23:44 RKY Bromoform [75-25-2]A 0.22 U ug/L 1 0.22 1.0 1B02036 EPA 8260D 02/02/21 23:44 RKY Bromomethane [74-83-9]A 0.14 U ug/L 1 0.14 1.0 1B02036 EPA 8260D 02/02/21 23:44 RKY Carbon disulfide [75-15-0]A 1.5 U ug/L 1 1.5 5.0 1B02036 EPA 8260D 02/02/21 23:44 RKY Carbon tetrachloride [56-23-5]A 0.17 U ug/L 1 0.17 1.0 1B02036 EPA 8260D 02/02/21 23:44 RKY Chlorobenzene[108-90-7]A 0.17 U ug/L 1 0.17 1.0 1B02036 EPA 8260D 02/02/21 23:44 RKY Chloroethane [75-00-3]A 0.23 U ug/L 1 0.23 1.0 1B02036 EPA 8260D 02/02/21 23:44 RKY Chloroform [67-66-3]A 0.18 U ug/L 1 0.18 1.0 1B02036 EPA 8260D 02/02/21 23:44 RKY Chloromethane [74-87-3]A 0.13 U ug/L 1 0.13 1.0 1B02036 EPA 8260D 02/02/21 23:44 RKY cis-1,2-Dichloroethene [156-59-2]A 0.15 U ug/L 1 0.15 1.0 1BO2036 EPA 8260D 02/02/21 23:44 RKY cis-1,3-Dichloropropene [10061-01-5]A 0.20 U ug/L 1 0.20 1.0 1B02036 EPA 8260D 02/02/21 23:44 RKY Dibromochloromethane [124-48-1]A 0.17 U ug/L 1 0.17 1.0 1B02036 EPA 8260D 02/02/21 23:44 RKY Dibromomethane [74-95-3]A 0.27 U ug/L 1 0.27 1.0 1B02036 EPA 8260D 02/02/21 23:44 RKY Ethylbenzene[100-41-4]A 0.13 U ug/L 1 0.13 1.0 1B02036 EPA 8260D 02/02/21 23:44 RKY Iodomethane [74-88-4]A 1.7 U ug/L 1 1.7 5.0 1B02036 EPA 8260D 02/02/21 23:44 RKY Methylene chloride [75-09-2]A 0.23 U ug/L 1 0.23 1.0 1B02036 EPA 8260D 02/02/21 23:44 RKY Styrene[100-42-5]A 0.11 U ug/L 1 0.11 1.0 1B02036 EPA 8260D 02/02/21 23:44 RKY Tetrachloroethene [127-18-4]A 0.17 U ug/L 1 0.17 1.0 1B02036 EPA 8260D 02/02/21 23:44 RKY Toluene [108-88-3]A 0.14 U ug/L 1 0.14 1.0 1B02036 EPA 8260D 02/02/21 23:44 RKY trans-1,2-Dichloroethene [156-60-5]A 0.21 U ug/L 1 0.21 1.0 1B02036 EPA 8260D 02/02/21 23:44 RKY trans-1,3-Dichloropropene [10061-02-6]A 0.15 U ug/L 1 0.15 1.0 1B02036 EPA 8260D 02/02/21 23:44 RKY trans-1,4-Dichloro-2-butene [110-57-6]A 0.70 U ug/L 1 0.70 1.0 1B02036 EPA 8260D 02/02/21 23:44 RKY Trichloroethene [79-01-6]A 0.15 U ug/L 1 0.15 1.0 1B02036 EPA 8260D 02/02/21 23:44 RKY Trichlorofluoromethane [75-69-4]A 0.24 U ug/L 1 0.24 1.0 1B02036 EPA 8260D 02/02/21 23:44 RKY Vinyl acetate [108-05-4]A 0.95 U ug/L 1 0.95 5.0 1B02036 EPA 8260D 02/02/21 23:44 RKY QV-01 FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 39 Of 73 (� �Eo www.encolabs.com ANALYTICAL RESULTS Description: 8003-French Drain Lab Sample ID:CE00222-16 Received: 01/28/21 10:30 Matrix: Ground Water Sampled:01/27/21 10:44 Work Order: CE00222 Project: Rowan County Active Landfills Sampled By: Darren Cox 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 Vinyl chloride [75-01-4]^ 0.32 U ug/L 1 0.32 1.0 1B02036 EPA 8260D 02/02/21 23:44 RKY Xylenes (Total) [1330-20-7]^ 0.45 U ug/L 1 0.45 3.0 1B02036 EPA 8260D 02/02/21 23:44 RKY Surrogates Results DF Spike Lv/ % Rec % Rec Limits Batch Method Ana/vzed By Notes 4-Bromofluorobenzene 51 1 50.0 103 % 53-136 IB02036 EPA 8260D 02102121 23:44 RKY Dlbromofluoromethane 51 1 50.0 102 % 67-129 IB02036 EPA 6260D 02102121 23:44 RKY Toluene-d8 61 1 50.0 122 % 59-134 IB02036 EPA 6260D 02102121 23:44 RKY 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[7440-36-0]^ 0.740 u ug/L 2 0.740 2.00 1A28032 EPA 6020B 02/02/21 13:24 RLF Arsenic [7440-38-2]^ 7.60 u ug/L 1 7.60 10.0 1A28030 EPA 6010D 02/03/21 11:36 JDH Barium [7440-39-3]^ 54.0 ug/L 1 1.10 10.0 1A28030 EPA 6010D 02/03/21 11:36 JDH Beryllium [7440-41-7]^ 0.160 u ug/L 1 0.160 1.00 1A28030 EPA 6010D 02/03/21 11:36 JDH Cadmium [7440-43-9]^ 0.360 u ug/L 1 0.360 1.00 1A28030 EPA 6010D 02/03/21 11:36 JDH Chromium [7440-47-3]^ 1.40 u ug/L 1 1.40 10.0 1A28030 EPA 6010D 02/03/21 11:36 JDH Cobalt [7440-48-4]^ 1.40 u ug/L 1 1.40 10.0 1A28030 EPA 6010D 02/03/21 11:36 JDH Copper[7440-50-8]A 5.54 J ug/L 1 1.60 10.0 1A28030 EPA 6010D 02/03/21 11:36 JDH Lead [7439-92-1]^ 3.10 u ug/L 1 3.10 10.0 1A28030 EPA 6010D 02/03/21 11:36 JDH Nickel[7440-02-0]^ 2.20 u ug/L 1 2.20 10.0 1A28030 EPA 6010D 02/03/21 11:36 JDH Selenium [7782-49-2]^ 6.20 u ug/L 1 6.20 10.0 1A28030 EPA 6010D 02/03/21 11:36 JDH Silver [7440-22-4]^ 1.90 u ug/L 1 1.90 10.0 1A28030 EPA 6010D 02/03/21 11:36 JDH Thallium [7440-28-0]^ 0.220 u ug/L 2 0.220 2.00 1A28032 EPA 6020B 02/02/21 13:24 RLF Vanadium [7440-62-2]^ 9.25 J ug/L 1 1.40 10.0 1A28030 EPA 6010D 02/03/21 11:36 JDH Zinc[7440-66-6]^ 4.52 J ug/L 1 4.40 10.0 1A28030 EPA 6010D 02/03/21 11:36 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 73 00� www.encolabs.com ANALYTICAL RESULTS Description: 8003-SW1 Lab Sample ID:CE00222-17 Received: 01/28/21 10:30 Matrix: Surface Water Sampled:01/27/21 12:31 Work Order: CE00222 Project: Rowan County Active Landfills Sampled By: Darren Cox Volatile Organic Compounds by GCMS ^ - ENCO Cary certfied anaiyte [NC 591] Analyte FCAS Numberl Results Flaa Units DF MDL P L Batch Method Analyzed By Notes 1,1,1,2-Tetrachloroethane [630-20-6]A 0.17 u ug/L 1 0.17 1.0 1BO1003 EPA 8260D 02/01/21 18:05 RKY 1,1,1-Trichloroethane [71-55-6]A 0.12 u ug/L 1 0.12 1.0 1BO1003 EPA 8260D 02/01/21 18:05 RKY 1,1,2,2-Tetrachloroethane [79-34-5]A 0.28 u ug/L 1 0.28 1.0 1BO1003 EPA 8260D 02/01/21 18:05 RKY 1,1,2-Trichloroethane [79-00-5]A 0.14 u ug/L 1 0.14 1.0 1BO1003 EPA 8260D 02/01/21 18:05 RKY 1,1-Dichloroethane [75-34-3]^ 0.13 u ug/L 1 0.13 1.0 1BO1003 EPA 8260D 02/01/21 18:05 RKY 1,1-Dichloroethene [75-35-4]^ 0.21 u ug/L 1 0.21 1.0 1BO1003 EPA 8260D 02/01/21 18:05 RKY 1,2,3-Trichloropropane [96-18-4]^ 0.23 u ug/L 1 0.23 1.0 1BO1003 EPA 8260D 02/01/21 18:05 RKY 1,2-Dibromo-3-chloropropane [96-12-8]^ 0.48 u ug/L 1 0.48 1.0 1BO1003 EPA 8260D 02/01/21 18:05 RKY 1,2-Dibromoethane [106-93-4]^ 0.66 u ug/L 1 0.66 1.0 1BO1003 EPA 8260D 02/01/21 18:05 RKY 1,2-Dichlorobenzene [95-50-1]^ 0.19 u ug/L 1 0.19 1.0 1BO1003 EPA 8260D 02/01/21 18:05 RKY 1,2-Dichloroethane [107-06-2]^ 0.21 u ug/L 1 0.21 1.0 1BO1003 EPA 8260D 02/01/21 18:05 RKY 1,2-Dichloropropane [78-87-5]^ 0.10 u ug/L 1 0.10 1.0 1BO1003 EPA 8260D 02/01/21 18:05 RKY 1,4-Dichlorobenzene [106-46-7]^ 0.19 u ug/L 1 0.19 1.0 1BO1003 EPA 8260D 02/01/21 18:05 RKY 2-Butanone [78-93-3]A 1.3 u ug/L 1 1.3 5.0 1BO1003 EPA 8260D 02/01/21 18:05 RKY 2-Hexanone [591-78-6]A 0.88 u ug/L 1 0.88 5.0 1BO1003 EPA 8260D 02/01/21 18:05 RKY 4-Methyl-2-pentanone [108-10-1]^ 1.1 u ug/L 1 1.1 5.0 1BO1003 EPA 8260D 02/01/21 18:05 RKY Acetone [67-64-1]A 10 u ug/L 1 10 20 1BO1003 EPA 8260D 02/01/21 18:05 RKY Acrylonitrile [107-13-1]^ 3.5 u ug/L 1 3.5 10 1BO1003 EPA 8260D 02/01/21 18:05 RKY Benzene[71-43-2]A 0.15 u ug/L 1 0.15 1.0 1BO1003 EPA 8260D 02/01/21 18:05 RKY Bromochloromethane [74-97-5]A 0.48 u ug/L 1 0.48 1.0 1BO1003 EPA 8260D 02/01/21 18:05 RKY QV-01 Bromodichloromethane [75-27-4]^ 0.17 u ug/L 1 0.17 1.0 1BO1003 EPA 8260D 02/01/21 18:05 RKY Bromoform [75-25-2]^ 0.22 u ug/L 1 0.22 1.0 1BO1003 EPA 8260D 02/01/21 18:05 RKY Bromomethane [74-83-9]A 0.14 u ug/L 1 0.14 1.0 1BO1003 EPA 8260D 02/01/21 18:05 RKY Carbon disulfide [75-15-0]A 1.5 u ug/L 1 1.5 5.0 1BO1003 EPA 8260D 02/01/21 18:05 RKY Carbon tetrachloride [56-23-5]A 0.17 u ug/L 1 0.17 1.0 1BO1003 EPA 8260D 02/01/21 18:05 RKY Chlorobenzene [108-90-7]A 0.17 u ug/L 1 0.17 1.0 1BO1003 EPA 8260D 02/01/21 18:05 RKY Chloroethane [75-00-3]A 0.23 u ug/L 1 0.23 1.0 1BO1003 EPA 8260D 02/01/21 18:05 RKY Chloroform [67-66-3]^ 0.18 u ug/L 1 0.18 1.0 1BO1003 EPA 8260D 02/01/21 18:05 RKY Chloromethane [74-87-3]A 0.13 u ug/L 1 0.13 1.0 1BO1003 EPA 8260D 02/01/21 18:05 RKY cis-1,2-Dichloroethene [156-59-2]^ 0.15 u ug/L 1 0.15 1.0 1BO1003 EPA 8260D 02/01/21 18:05 RKY cis-1,3-Dichloropropene [10061-01-5]A 0.20 u ug/L 1 0.20 1.0 1BO1003 EPA 8260D 02/01/21 18:05 RKY Dibromochloromethane [124-48-1]A 0.17 u ug/L 1 0.17 1.0 1BO1003 EPA 8260D 02/01/21 18:05 RKY Dibromomethane [74-95-3]A 0.27 u ug/L 1 0.27 1.0 1BO1003 EPA 8260D 02/01/21 18:05 RKY Ethylbenzene [100-41-4]A 0.13 u ug/L 1 0.13 1.0 1BO1003 EPA 8260D 02/01/21 18:05 RKY Iodomethane [74-88-4]^ 1.7 u ug/L 1 1.7 5.0 1BO1003 EPA 8260D 02/01/21 18:05 RKY Methylene chloride [75-09-2]A 0.23 u ug/L 1 0.23 1.0 1BO1003 EPA 8260D 02/01/21 18:05 RKY Styrene[100-42-5]A 0.11 u ug/L 1 0.11 1.0 1BO1003 EPA 8260D 02/01/21 18:05 RKY Tetrachloroethene [127-18-4]A 0.17 u ug/L 1 0.17 1.0 1BO1003 EPA 8260D 02/01/21 18:05 RKY Toluene [108-88-3]^ 0.14 u ug/L 1 0.14 1.0 1BO1003 EPA 8260D 02/01/21 18:05 RKY trans-1,2-Dichloroethene [156-60-5]^ 0.21 u ug/L 1 0.21 1.0 1BO1003 EPA 8260D 02/01/21 18:05 RKY trans-1,3-Dichloropropene [10061-02-6]^ 0.15 u ug/L 1 0.15 1.0 1BO1003 EPA 8260D 02/01/21 18:05 RKY trans-1,4-Dichloro-2-butene [110-57-6]A 0.70 u ug/L 1 0.70 1.0 1BO1003 EPA 8260D 02/01/21 18:05 RKY QV-01 Trichloroethene [79-01-6]^ 0.15 u ug/L 1 0.15 1.0 1BO1003 EPA 8260D 02/01/21 18:05 RKY Trichlorofluoromethane [75-69-4]^ 0.24 u ug/L 1 0.24 1.0 1BO1003 EPA 8260D 02/01/21 18:05 RKY Vinyl acetate [108-05-4]A 0.95 u ug/L 1 0.95 5.0 1BO1003 EPA 8260D 02/01/21 18:05 RKY QV-01 Vinyl chloride [75-01-4]^ 0.32 u ug/L 1 0.32 1.0 1BO1003 EPA 8260D 02/01/21 18:05 RKY Xylenes (Total) [1330-20-7]A 0.45 u ug/L 1 0.45 3.0 1BO1003 EPA 8260D 02/01/21 18:05 RKY FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 41 Of 73 (� �Eo www.encolabs.com ANALYTICAL RESULTS Description: 8003-SWI Lab Sample ID:CE00222-17 Received: 01/28/21 10:30 Matrix: Surface Water Sampled:01/27/21 12:31 Work Order: CE00222 Project: Rowan County Active Landfills Sampled By: Darren Cox 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 48 1 50.0 95 % 53-136 IB01003 EPA 6260D 02101121 18:05 RKY Dibromofluoromethane 48 1 50.0 97 % 67-129 IB01003 EPA 6260D 02101121 18:05 RKY Toluene-d8 63 1 50.0 125 % 59-134 IB01003 EPA 6260D 02101121 18:05 RKY 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 [7440-36-0]^ 0.740 U ug/L 2 0.740 2.00 1A28032 EPA 6020B 02/02/21 13:28 RLF Arsenic [7440-38-2]^ 7.60 U ug/L 1 7.60 10.0 1A28030 EPA 6010D 02/03/21 11:38 JDH Barium [7440-39-3]^ 49.8 ug/L 1 1.10 10.0 1A28030 EPA 6010D 02/03/21 11:38 JDH Beryllium [7440-41-7]^ 0.160 U ug/L 1 0.160 1.00 1A28030 EPA 6010D 02/03/21 11:38 JDH Cadmium [7440-43-9]^ 0.360 U ug/L 1 0.360 1.00 1A28030 EPA 6010D 02/03/21 11:38 JDH Chromium [7440-47-3]^ 1.47 J ug/L 1 1.40 10.0 1A28030 EPA 6010D 02/03/21 11:38 JDH Cobalt [7440-48-4]^ 1.40 U ug/L 1 1.40 10.0 1A28030 EPA 6010D 02/03/21 11:38 JDH Copper[7440-50-8]^ 2.20 J ug/L 1 1.60 10.0 1A28030 EPA 6010D 02/03/21 11:38 JDH Lead [7439-92-1]^ 3.10 U ug/L 1 3.10 10.0 1A28030 EPA 6010D 02/03/21 11:38 JDH Nickel[7440-02-0]^ 2.20 U ug/L 1 2.20 10.0 1A28030 EPA 6010D 02/03/21 11:38 JDH Selenium [7782-49-2]^ 6.20 U ug/L 1 6.20 10.0 1A28030 EPA 6010D 02/03/21 11:38 JDH Silver [7440-22-4]^ 1.90 U ug/L 1 1.90 10.0 1A28030 EPA 6010D 02/03/21 11:38 JDH Thallium [7440-28-0]^ 0.220 U ug/L 2 0.220 2.00 1A28032 EPA 6020B 02/02/21 13:28 RLF Vanadium [7440-62-2]^ 3.17 J ug/L 1 1.40 10.0 1A28030 EPA 6010D 02/03/21 11:38 JDH Zinc [7440-66-6]^ 4.40 U ug/L 1 4.40 10.0 1A28030 EPA 6010D 02/03/21 11:38 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 %3 00� www.encolabs.com ANALYTICAL RESULTS Description: 8003-SW2 Lab Sample ID:CE00222-18 Received: 01/28/21 10:30 Matrix: Surface Water Sampled: 01/27/2109:00 Work Order: CE00222 Project: Rowan County Active Landfills Sampled By: Darren Cox Volatile Organic Compounds by GCMS ^ - ENCO Cary certfied anaiyte [NC 591] Analyte FCAS Numberl Results Flaa Units DF MDL P L Batch Method Analyzed By Notes 1,1,1,2-Tetrachloroethane [630-20-6]A 0.17 u ug/L 1 0.17 1.0 1BO1003 EPA 8260D 02/01/21 18:35 RKY 1,1,1-Trichloroethane [71-55-6]A 0.12 u ug/L 1 0.12 1.0 1BO1003 EPA 8260D 02/01/21 18:35 RKY 1,1,2,2-Tetrachloroethane [79-34-5]A 0.28 u ug/L 1 0.28 1.0 1BO1003 EPA 8260D 02/01/21 18:35 RKY 1,1,2-Trichloroethane [79-00-5]A 0.14 u ug/L 1 0.14 1.0 1BO1003 EPA 8260D 02/01/21 18:35 RKY 1,1-Dichloroethane [75-34-3]^ 0.13 u ug/L 1 0.13 1.0 1BO1003 EPA 8260D 02/01/21 18:35 RKY 1,1-Dichloroethene [75-35-4]^ 0.21 u ug/L 1 0.21 1.0 1BO1003 EPA 8260D 02/01/21 18:35 RKY 1,2,3-Trichloropropane [96-18-4]^ 0.23 u ug/L 1 0.23 1.0 1BO1003 EPA 8260D 02/01/21 18:35 RKY 1,2-Dibromo-3-chloropropane [96-12-8]^ 0.48 u ug/L 1 0.48 1.0 1BO1003 EPA 8260D 02/01/21 18:35 RKY 1,2-Dibromoethane [106-93-4]^ 0.66 u ug/L 1 0.66 1.0 1BO1003 EPA 8260D 02/01/21 18:35 RKY 1,2-Dichlorobenzene [95-50-1]^ 0.19 u ug/L 1 0.19 1.0 1BO1003 EPA 8260D 02/01/21 18:35 RKY 1,2-Dichloroethane [107-06-2]^ 0.21 u ug/L 1 0.21 1.0 1BO1003 EPA 8260D 02/01/21 18:35 RKY 1,2-Dichloropropane [78-87-5]^ 0.10 u ug/L 1 0.10 1.0 1BO1003 EPA 8260D 02/01/21 18:35 RKY 1,4-Dichlorobenzene [106-46-7]^ 0.19 u ug/L 1 0.19 1.0 1BO1003 EPA 8260D 02/01/21 18:35 RKY 2-Butanone [78-93-3]A 1.3 u ug/L 1 1.3 5.0 1BO1003 EPA 8260D 02/01/21 18:35 RKY 2-Hexanone [591-78-6]A 0.88 u ug/L 1 0.88 5.0 1BO1003 EPA 8260D 02/01/21 18:35 RKY 4-Methyl-2-pentanone [108-10-1]^ 1.1 u ug/L 1 1.1 5.0 1BO1003 EPA 8260D 02/01/21 18:35 RKY Acetone [67-64-1]A 10 u ug/L 1 10 20 1BO1003 EPA 8260D 02/01/21 18:35 RKY Acrylonitrile [107-13-1]^ 3.5 u ug/L 1 3.5 10 1BO1003 EPA 8260D 02/01/21 18:35 RKY Benzene[71-43-2]A 0.15 u ug/L 1 0.15 1.0 1BO1003 EPA 8260D 02/01/21 18:35 RKY Bromochloromethane [74-97-5]A 0.48 u ug/L 1 0.48 1.0 1BO1003 EPA 8260D 02/01/21 18:35 RKY QV-01 Bromodichloromethane [75-27-4]^ 0.17 u ug/L 1 0.17 1.0 1BO1003 EPA 8260D 02/01/21 18:35 RKY Bromoform [75-25-2]^ 0.22 u ug/L 1 0.22 1.0 1BO1003 EPA 8260D 02/01/21 18:35 RKY Bromomethane [74-83-9]A 0.14 u ug/L 1 0.14 1.0 1BO1003 EPA 8260D 02/01/21 18:35 RKY Carbon disulfide [75-15-0]A 1.5 u ug/L 1 1.5 5.0 1BO1003 EPA 8260D 02/01/21 18:35 RKY Carbon tetrachloride [56-23-5]A 0.17 u ug/L 1 0.17 1.0 1BO1003 EPA 8260D 02/01/21 18:35 RKY Chlorobenzene [108-90-7]A 0.17 u ug/L 1 0.17 1.0 1BO1003 EPA 8260D 02/01/21 18:35 RKY Chloroethane [75-00-3]A 0.23 u ug/L 1 0.23 1.0 1BO1003 EPA 8260D 02/01/21 18:35 RKY Chloroform [67-66-3]^ 0.18 u ug/L 1 0.18 1.0 1BO1003 EPA 8260D 02/01/21 18:35 RKY Chloromethane [74-87-3]A 0.13 u ug/L 1 0.13 1.0 1BO1003 EPA 8260D 02/01/21 18:35 RKY cis-1,2-Dichloroethene [156-59-2]^ 0.15 u ug/L 1 0.15 1.0 1BO1003 EPA 8260D 02/01/21 18:35 RKY cis-1,3-Dichloropropene [10061-01-5]A 0.20 u ug/L 1 0.20 1.0 1BO1003 EPA 8260D 02/01/21 18:35 RKY Dibromochloromethane [124-48-1]A 0.17 u ug/L 1 0.17 1.0 1BO1003 EPA 8260D 02/01/21 18:35 RKY Dibromomethane [74-95-3]A 0.27 u ug/L 1 0.27 1.0 1BO1003 EPA 8260D 02/01/21 18:35 RKY Ethylbenzene [100-41-4]A 0.13 u ug/L 1 0.13 1.0 1BO1003 EPA 8260D 02/01/21 18:35 RKY Iodomethane [74-88-4]^ 1.7 u ug/L 1 1.7 5.0 1BO1003 EPA 8260D 02/01/21 18:35 RKY Methylene chloride [75-09-2]A 0.23 u ug/L 1 0.23 1.0 1BO1003 EPA 8260D 02/01/21 18:35 RKY Styrene[100-42-5]A 0.11 u ug/L 1 0.11 1.0 1BO1003 EPA 8260D 02/01/21 18:35 RKY Tetrachloroethene [127-18-4]A 0.17 u ug/L 1 0.17 1.0 1BO1003 EPA 8260D 02/01/21 18:35 RKY Toluene [108-88-3]^ 0.14 u ug/L 1 0.14 1.0 1BO1003 EPA 8260D 02/01/21 18:35 RKY trans-1,2-Dichloroethene [156-60-5]^ 0.21 u ug/L 1 0.21 1.0 1BO1003 EPA 8260D 02/01/21 18:35 RKY trans-1,3-Dichloropropene [10061-02-6]^ 0.15 u ug/L 1 0.15 1.0 1BO1003 EPA 8260D 02/01/21 18:35 RKY trans-1,4-Dichloro-2-butene [110-57-6]A 0.70 u ug/L 1 0.70 1.0 1BO1003 EPA 8260D 02/01/21 18:35 RKY QV-01 Trichloroethene [79-01-6]^ 0.15 u ug/L 1 0.15 1.0 1BO1003 EPA 8260D 02/01/21 18:35 RKY Trichlorofluoromethane [75-69-4]^ 0.24 u ug/L 1 0.24 1.0 1BO1003 EPA 8260D 02/01/21 18:35 RKY Vinyl acetate [108-05-4]A 0.95 u ug/L 1 0.95 5.0 1BO1003 EPA 8260D 02/01/21 18:35 RKY QV-01 Vinyl chloride [75-01-4]^ 0.32 u ug/L 1 0.32 1.0 1BO1003 EPA 8260D 02/01/21 18:35 RKY Xylenes (Total) [1330-20-7]A 0.45 u ug/L 1 0.45 3.0 1BO1003 EPA 8260D 02/01/21 18:35 RKY FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 43 Of 73 (� �Eo www.encolabs.com ANALYTICAL RESULTS Description: 8003-SW2 Lab Sample ID:CE00222-18 Received: 01/28/21 10:30 Matrix: Surface Water Sampled: 01/27/2109:00 Work Order: CE00222 Project: Rowan County Active Landfills Sampled By: Darren Cox 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 46 1 50.0 92 % 53-136 IB01003 EPA 6260D 02101121 18:35 RKY Dibromofluoromethane 48 1 50.0 96 % 67-129 IB01003 EPA 6260D 02101121 18:35 RKY Toluene-d8 60 1 50.0 120 % 59-134 IB01003 EPA 6260D 02101121 18:35 RKY 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 [7440-36-0]^ 0.740 U ug/L 2 0.740 2.00 1A28032 EPA 6020B 02/02/21 13:32 RLF Arsenic [7440-38-2]^ 7.60 U ug/L 1 7.60 10.0 1A28030 EPA 6010D 02/03/21 11:41 JDH Barium [7440-39-3]^ 53.2 ug/L 1 1.10 10.0 1A28030 EPA 6010D 02/03/21 11:41 JDH Beryllium [7440-41-7]^ 0.160 U ug/L 1 0.160 1.00 1A28030 EPA 6010D 02/03/21 11:41 JDH Cadmium [7440-43-9]^ 0.360 U ug/L 1 0.360 1.00 1A28030 EPA 6010D 02/03/21 11:41 JDH Chromium [7440-47-3]^ 1.40 U ug/L 1 1.40 10.0 1A28030 EPA 6010D 02/03/21 11:41 JDH Cobalt [7440-48-4]^ 1.40 U ug/L 1 1.40 10.0 1A28030 EPA 6010D 02/03/21 11:41 JDH Copper[7440-50-8]^ 2.36 J ug/L 1 1.60 10.0 1A28030 EPA 6010D 02/03/21 11:41 JDH Lead [7439-92-1]^ 3.10 U ug/L 1 3.10 10.0 1A28030 EPA 6010D 02/03/21 11:41 JDH Nickel[7440-02-0]^ 2.20 U ug/L 1 2.20 10.0 1A28030 EPA 6010D 02/03/21 11:41 JDH Selenium [7782-49-2]^ 6.20 U ug/L 1 6.20 10.0 1A28030 EPA 6010D 02/03/21 11:41 JDH Silver [7440-22-4]^ 1.90 U ug/L 1 1.90 10.0 1A28030 EPA 6010D 02/03/21 11:41 JDH Thallium [7440-28-0]^ 0.220 U ug/L 2 0.220 2.00 1A28032 EPA 6020B 02/02/21 13:32 RLF Vanadium [7440-62-2]^ 2.97 J ug/L 1 1.40 10.0 1A28030 EPA 6010D 02/03/21 11:41 JDH Zinc [7440-66-6]^ 4.40 U ug/L 1 4.40 10.0 1A28030 EPA 6010D 02/03/21 11:41 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 %3 00� www.encolabs.com ANALYTICAL RESULTS Description: 8003-SW3 Lab Sample ID:CE00222-19 Received: 01/28/21 10:30 Matrix: Surface Water Sampled:01/27/21 12:00 Work Order: CE00222 Project: Rowan County Active Landfills Sampled By: Darren Cox Volatile Organic Compounds by GCMS ^ - ENCO Cary certfied anaiyte [NC 591] Analyte FCAS Numberl Results Flaa Units DF MDL P L Batch Method Analyzed By Notes 1,1,1,2-Tetrachloroethane [630-20-6]A 0.17 u ug/L 1 0.17 1.0 1B03031 EPA 8260D 02/03/21 17:36 RKY 1,1,1-Trichloroethane [71-55-6]^ 0.12 u ug/L 1 0.12 1.0 1B03031 EPA 8260D 02/03/21 17:36 RKY 1,1,2,2-Tetrachloroethane [79-34-5]A 0.28 u ug/L 1 0.28 1.0 1B03031 EPA 8260D 02/03/21 17:36 RKY 1,1,2-Trichloroethane [79-00-5]^ 0.14 u ug/L 1 0.14 1.0 1B03031 EPA 8260D 02/03/21 17:36 RKY 1,1-Dichloroethane [75-34-3]^ 0.13 u ug/L 1 0.13 1.0 1B03031 EPA 8260D 02/03/21 17:36 RKY 1,1-Dichloroethene [75-35-4]^ 0.21 u ug/L 1 0.21 1.0 1B03031 EPA 8260D 02/03/21 17:36 RKY 1,2,3-Trichloropropane [96-18-4]^ 0.23 u ug/L 1 0.23 1.0 1B03031 EPA 8260D 02/03/21 17:36 RKY 1,2-Dibromo-3-chloropropane [96-12-8]^ 0.48 u ug/L 1 0.48 1.0 1B03031 EPA 8260D 02/03/21 17:36 RKY 1,2-Dibromoethane [106-93-4]^ 0.66 u ug/L 1 0.66 1.0 1B03031 EPA 8260D 02/03/21 17:36 RKY 1,2-Dichlorobenzene [95-50-1]^ 0.19 u ug/L 1 0.19 1.0 1B03031 EPA 8260D 02/03/21 17:36 RKY 1,2-Dichloroethane [107-06-2]^ 0.21 u ug/L 1 0.21 1.0 1B03031 EPA 8260D 02/03/21 17:36 RKY 1,2-Dichloropropane [78-87-5]^ 0.10 u ug/L 1 0.10 1.0 1B03031 EPA 8260D 02/03/21 17:36 RKY 1,4-Dichlorobenzene [106-46-7]^ 0.19 u ug/L 1 0.19 1.0 1B03031 EPA 8260D 02/03/21 17:36 RKY 2-Butanone [78-93-3]^ s0 ug/L 1 1.3 5.0 IB03031 EPA 8260D 02/03/21 17:36 RKY 2-Hexanone [591-78-6]^ 9.1 ug/L 1 0.88 5.0 IB03031 EPA 8260D 02/03/21 17:36 RKY 4-Methyl-2-pentanone [108-10-1]^ 1.1 u ug/L 1 1.1 5.0 1B03031 EPA 8260D 02/03/21 17:36 RKY Acetone [67-64-1]A 66 ug/L 1 10 20 IB03031 EPA 8260D 02/03/21 17:36 RKY Acrylonitrile [107-13-1]^ 3.5 u ug/L 1 3.5 10 1B03031 EPA 8260D 02/03/21 17:36 RKY Benzene[71-43-2]A 0.15 u ug/L 1 0.15 1.0 1B03031 EPA 8260D 02/03/21 17:36 RKY Bromochloromethane [74-97-5]A 0.48 u ug/L 1 0.48 1.0 1B03031 EPA 8260D 02/03/21 17:36 RKY Bromodichloromethane [75-27-4]^ 0.17 u ug/L 1 0.17 1.0 1B03031 EPA 8260D 02/03/21 17:36 RKY Bromoform [75-25-2]^ 0.22 u ug/L 1 0.22 1.0 1B03031 EPA 8260D 02/03/21 17:36 RKY Bromomethane [74-83-9]^ 0.14 u ug/L 1 0.14 1.0 1B03031 EPA 8260D 02/03/21 17:36 RKY Carbon disulfide [75-15-0]^ 1.5 u ug/L 1 1.5 5.0 1B03031 EPA 8260D 02/03/21 17:36 RKY Carbon tetrachloride [56-23-5]^ 0.17 u ug/L 1 0.17 1.0 1B03031 EPA 8260D 02/03/21 17:36 RKY QV-01 Chlorobenzene[108-90-7]A 0.17 u ug/L 1 0.17 1.0 1B03031 EPA 8260D 02/03/21 17:36 RKY Chloroethane [75-00-3]^ 0.23 u ug/L 1 0.23 1.0 1B03031 EPA 8260D 02/03/21 17:36 RKY Chloroform [67-66-3]^ 0.18 u ug/L 1 0.18 1.0 1B03031 EPA 8260D 02/03/21 17:36 RKY Chloromethane [74-87-3]^ 0.13 u ug/L 1 0.13 1.0 1B03031 EPA 8260D 02/03/21 17:36 RKY cis-1,2-Dichloroethene [156-59-2]^ 0.15 u ug/L 1 0.15 1.0 1B03031 EPA 8260D 02/03/21 17:36 RKY cis-1,3-Dichloropropene [10061-01-5]^ 0.20 u ug/L 1 0.20 1.0 1B03031 EPA 8260D 02/03/21 17:36 RKY QV-01 Dibromochloromethane [124-48-1]A 0.17 u ug/L 1 0.17 1.0 1B03031 EPA 8260D 02/03/21 17:36 RKY Dibromomethane [74-95-3]^ 0.27 u ug/L 1 0.27 1.0 1B03031 EPA 8260D 02/03/21 17:36 RKY Ethylbenzene[100-41-4]A 0.13 u ug/L 1 0.13 1.0 1B03031 EPA 8260D 02/03/21 17:36 RKY Iodomethane [74-88-4]^ 1.7 u ug/L 1 1.7 5.0 1B03031 EPA 8260D 02/03/21 17:36 RKY Methylene chloride [75-09-2]^ 0.23 u ug/L 1 0.23 1.0 1B03031 EPA 8260D 02/03/21 17:36 RKY Styrene[100-42-5]^ 0.11 u ug/L 1 0.11 1.0 1B03031 EPA 8260D 02/03/21 17:36 RKY Tetrachloroethene [127-18-4]^ 0.17 u ug/L 1 0.17 1.0 1B03031 EPA 8260D 02/03/21 17:36 RKY Toluene [108-88-3]^ 0.14 u ug/L 1 0.14 1.0 1B03031 EPA 8260D 02/03/21 17:36 RKY trans-1,2-Dichloroethene [156-60-5]^ 0.21 u ug/L 1 0.21 1.0 1B03031 EPA 8260D 02/03/21 17:36 RKY trans-1,3-Dichloropropene [10061-02-6]^ 0.15 u ug/L 1 0.15 1.0 1B03031 EPA 8260D 02/03/21 17:36 RKY trans-1,4-Dichloro-2-butene [110-57-6]A 0.70 u ug/L 1 0.70 1.0 1B03031 EPA 8260D 02/03/21 17:36 RKY Trichloroethene [79-01-6]^ 0.15 u ug/L 1 0.15 1.0 1B03031 EPA 8260D 02/03/21 17:36 RKY Trichlorofluoromethane [75-69-4]^ 0.24 u ug/L 1 0.24 1.0 1B03031 EPA 8260D 02/03/21 17:36 RKY Vinyl acetate [108-05-4]A 0.95 u ug/L 1 0.95 5.0 1B03031 EPA 8260D 02/03/21 17:36 RKY Vinyl chloride [75-01-4]^ 0.32 u ug/L 1 0.32 1.0 1B03031 EPA 8260D 02/03/21 17:36 RKY Xylenes (Total) [1330-20-7]^ 0.45 u ug/L 1 0.45 3.0 1B03031 EPA 8260D 02/03/21 17:36 RKY FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 45 Of 73 (� �Eo www.encolabs.com ANALYTICAL RESULTS Description: 8003-SW3 Lab Sample ID:CE00222-19 Received: 01/28/21 10:30 Matrix: Surface Water Sampled:01/27/21 12:00 Work Order: CE00222 Project: Rowan County Active Landfills Sampled By: Darren Cox 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 52 1 50.0 104 % 53-136 IB03031 EPA 8260D 02103121 1736 RKY Dibromofluoromethane 49 1 50.0 98 % 67-129 IB03031 EPA 8260D 02103121 1736 RKY Toluene-& 62 1 50.0 125 % 59-134 IB03031 EPA 6260D 02103121 1736 RKY 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 [7440-36-0]^ 0.740 U ug/L 2 0.740 2.00 1A28032 EPA 6020B 02/02/21 13:36 RLF Arsenic [7440-38-2]^ 7.60 U ug/L 1 7.60 10.0 1A28030 EPA 6010D 02/03/21 11:43 JDH Barium [7440-39-3]^ 204 ug/L 1 1.10 10.0 1A28030 EPA 6010D 02/03/21 11:43 JDH Beryllium [7440-41-7]^ 0.160 U ug/L 1 0.160 1.00 1A28030 EPA 6010D 02/03/21 11:43 JDH Cadmium [7440-43-9]^ 0.360 U ug/L 1 0.360 1.00 1A28030 EPA 6010D 02/03/21 11:43 JDH Chromium [7440-47-3]^ 4.65 J ug/L 1 1.40 10.0 1A28030 EPA 6010D 02/03/21 11:43 JDH Cobalt[7440-48-4]^ 5.93 J ug/L 1 1.40 10.0 1A28030 EPA 6010D 02/03/21 11:43 JDH Copper[7440-50-8]^ 2.68 J ug/L 1 1.60 10.0 1A28030 EPA 6010D 02/03/21 11:43 JDH Lead [7439-92-1]^ 3.10 U ug/L 1 3.10 10.0 1A28030 EPA 6010D 02/03/21 11:43 JDH Nickel[7440-02-O]^ 6.01 J ug/L 1 2.20 10.0 1A28030 EPA 6010D 02/03/21 11:43 JDH Selenium [7782-49-2]^ 6.20 U ug/L 1 6.20 10.0 1A28030 EPA 6010D 02/03/21 11:43 JDH Silver [7440-22-4]^ 1.90 U ug/L 1 1.90 10.0 1A28030 EPA 6010D 02/03/21 11:43 JDH Thallium [7440-28-0]^ 0.220 U ug/L 2 0.220 2.00 1A28032 EPA 6020B 02/02/21 13:36 RLF Vanadium [7440-62-2]^ 3.39 J ug/L 1 1.40 10.0 1A28030 EPA 6010D 02/03/21 11:43 JDH Zinc[7440-66-6]^ 40.7 ug/L 1 4.40 10.0 1A28030 EPA 6010D 02/03/21 11:43 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 %3 00� www.encolabs.com ANALYTICAL RESULTS Description: 8003-SW4 Lab Sample ID:CE00222-20 Received: 01/28/21 10:30 Matrix: Surface Water Sampled:01/26/21 11:30 Work Order: CE00222 Project: Rowan County Active Landfills Sampled By: Darren Cox Volatile Organic Compounds by GCMS ^ - ENCO Cary certfied anaiyte [NC 591] Analyte FCAS Numberl Results Flaa Units DF MDL P L Batch Method Analyzed By Notes 1,1,1,2-Tetrachloroethane [630-20-6]A 0.17 u ug/L 1 0.17 1.0 1BO1003 EPA 8260D 02/01/21 19:05 RKY 1,1,1-Trichloroethane [71-55-6]A 0.12 u ug/L 1 0.12 1.0 1BO1003 EPA 8260D 02/01/21 19:05 RKY 1,1,2,2-Tetrachloroethane [79-34-5]A 0.28 u ug/L 1 0.28 1.0 1BO1003 EPA 8260D 02/01/21 19:05 RKY 1,1,2-Trichloroethane [79-00-5]A 0.14 u ug/L 1 0.14 1.0 1BO1003 EPA 8260D 02/01/21 19:05 RKY 1,1-Dichloroethane [75-34-3]^ 0.13 u ug/L 1 0.13 1.0 1BO1003 EPA 8260D 02/01/21 19:05 RKY 1,1-Dichloroethene [75-35-4]^ 0.21 u ug/L 1 0.21 1.0 1BO1003 EPA 8260D 02/01/21 19:05 RKY 1,2,3-Trichloropropane [96-18-4]^ 0.23 u ug/L 1 0.23 1.0 1BO1003 EPA 8260D 02/01/21 19:05 RKY 1,2-Dibromo-3-chloropropane [96-12-8]^ 0.48 u ug/L 1 0.48 1.0 1BO1003 EPA 8260D 02/01/21 19:05 RKY 1,2-Dibromoethane [106-93-4]^ 0.66 u ug/L 1 0.66 1.0 1BO1003 EPA 8260D 02/01/21 19:05 RKY 1,2-Dichlorobenzene [95-50-1]^ 0.19 u ug/L 1 0.19 1.0 1BO1003 EPA 8260D 02/01/21 19:05 RKY 1,2-Dichloroethane [107-06-2]^ 0.21 u ug/L 1 0.21 1.0 1BO1003 EPA 8260D 02/01/21 19:05 RKY 1,2-Dichloropropane [78-87-5]^ 0.10 u ug/L 1 0.10 1.0 1BO1003 EPA 8260D 02/01/21 19:05 RKY 1,4-Dichlorobenzene [106-46-7]^ 0.19 u ug/L 1 0.19 1.0 1BO1003 EPA 8260D 02/01/21 19:05 RKY 2-Butanone [78-93-3]A 1.3 u ug/L 1 1.3 5.0 1BO1003 EPA 8260D 02/01/21 19:05 RKY 2-Hexanone [591-78-6]A 0.88 u ug/L 1 0.88 5.0 1BO1003 EPA 8260D 02/01/21 19:05 RKY 4-Methyl-2-pentanone [108-10-1]^ 1.1 u ug/L 1 1.1 5.0 1BO1003 EPA 8260D 02/01/21 19:05 RKY Acetone [67-64-1]A 10 u ug/L 1 10 20 1BO1003 EPA 8260D 02/01/21 19:05 RKY Acrylonitrile [107-13-1]^ 3.5 u ug/L 1 3.5 10 1BO1003 EPA 8260D 02/01/21 19:05 RKY Benzene[71-43-2]A 0.15 u ug/L 1 0.15 1.0 1BO1003 EPA 8260D 02/01/21 19:05 RKY Bromochloromethane [74-97-5]A 0.48 u ug/L 1 0.48 1.0 1BO1003 EPA 8260D 02/01/21 19:05 RKY QV-01 Bromodichloromethane [75-27-4]^ 0.17 u ug/L 1 0.17 1.0 1BO1003 EPA 8260D 02/01/21 19:05 RKY Bromoform [75-25-2]^ 0.22 u ug/L 1 0.22 1.0 1BO1003 EPA 8260D 02/01/21 19:05 RKY Bromomethane [74-83-9]A 0.14 u ug/L 1 0.14 1.0 1BO1003 EPA 8260D 02/01/21 19:05 RKY Carbon disulfide [75-15-0]A 1.5 u ug/L 1 1.5 5.0 1BO1003 EPA 8260D 02/01/21 19:05 RKY Carbon tetrachloride [56-23-5]A 0.17 u ug/L 1 0.17 1.0 1BO1003 EPA 8260D 02/01/21 19:05 RKY Chlorobenzene [108-90-7]A 0.17 u ug/L 1 0.17 1.0 1BO1003 EPA 8260D 02/01/21 19:05 RKY Chloroethane [75-00-3]A 0.23 u ug/L 1 0.23 1.0 1BO1003 EPA 8260D 02/01/21 19:05 RKY Chloroform [67-66-3]^ 0.18 u ug/L 1 0.18 1.0 1BO1003 EPA 8260D 02/01/21 19:05 RKY Chloromethane [74-87-3]A 0.13 u ug/L 1 0.13 1.0 1BO1003 EPA 8260D 02/01/21 19:05 RKY cis-1,2-Dichloroethene [156-59-2]^ 0.15 u ug/L 1 0.15 1.0 1BO1003 EPA 8260D 02/01/21 19:05 RKY cis-1,3-Dichloropropene [10061-01-5]A 0.20 u ug/L 1 0.20 1.0 1BO1003 EPA 8260D 02/01/21 19:05 RKY Dibromochloromethane [124-48-1]A 0.17 u ug/L 1 0.17 1.0 1BO1003 EPA 8260D 02/01/21 19:05 RKY Dibromomethane [74-95-3]A 0.27 u ug/L 1 0.27 1.0 1BO1003 EPA 8260D 02/01/21 19:05 RKY Ethylbenzene [100-41-4]A 0.13 u ug/L 1 0.13 1.0 1BO1003 EPA 8260D 02/01/21 19:05 RKY Iodomethane [74-88-4]^ 1.7 u ug/L 1 1.7 5.0 1BO1003 EPA 8260D 02/01/21 19:05 RKY Methylene chloride [75-09-2]A 0.23 u ug/L 1 0.23 1.0 1BO1003 EPA 8260D 02/01/21 19:05 RKY Styrene[100-42-5]A 0.11 u ug/L 1 0.11 1.0 1BO1003 EPA 8260D 02/01/21 19:05 RKY Tetrachloroethene [127-18-4]A 0.17 u ug/L 1 0.17 1.0 1BO1003 EPA 8260D 02/01/21 19:05 RKY Toluene [108-88-3]^ 0.14 u ug/L 1 0.14 1.0 1BO1003 EPA 8260D 02/01/21 19:05 RKY trans-1,2-Dichloroethene [156-60-5]^ 0.21 u ug/L 1 0.21 1.0 1BO1003 EPA 8260D 02/01/21 19:05 RKY trans-1,3-Dichloropropene [10061-02-6]^ 0.15 u ug/L 1 0.15 1.0 1BO1003 EPA 8260D 02/01/21 19:05 RKY trans-1,4-Dichloro-2-butene [110-57-6]A 0.70 u ug/L 1 0.70 1.0 1BO1003 EPA 8260D 02/01/21 19:05 RKY QV-01 Trichloroethene [79-01-6]^ 0.15 u ug/L 1 0.15 1.0 1BO1003 EPA 8260D 02/01/21 19:05 RKY Trichlorofluoromethane [75-69-4]^ 0.24 u ug/L 1 0.24 1.0 1BO1003 EPA 8260D 02/01/21 19:05 RKY Vinyl acetate [108-05-4]A 0.95 u ug/L 1 0.95 5.0 1BO1003 EPA 8260D 02/01/21 19:05 RKY QV-01 Vinyl chloride [75-01-4]^ 0.32 u ug/L 1 0.32 1.0 1BO1003 EPA 8260D 02/01/21 19:05 RKY Xylenes (Total) [1330-20-7]A 0.45 u ug/L 1 0.45 3.0 1BO1003 EPA 8260D 02/01/21 19:05 RKY FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 47 Of 73 (� �Eo www.encolabs.com ANALYTICAL RESULTS Description: 8003-SW4 Lab Sample ID:CE00222-20 Received: 01/28/21 10:30 Matrix: Surface Water Sampled:01/26/21 11:30 Work Order: CE00222 Project: Rowan County Active Landfills Sampled By: Darren Cox 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 47 1 50.0 93 % 53-136 IB01003 EPA 8260D 02101121 19:05 RKY Dibromofluoromethane 50 1 50.0 100 % 67-129 IB01003 EPA 8260D 02101121 19:05 RKY Toluene-& 60 1 50.0 120 % 59-134 IB01003 EPA 6260D 02101121 19:05 RKY 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[7440-36-0]^ 0.740 U ug/L 2 0.740 2.00 1A30003 EPA 6020B 02/04/21 11:45 RLF Arsenic [7440-38-2]^ 7.60 U ug/L 1 7.60 10.0 1A28030 EPA 6010D 02/03/21 11:46 JDH Barium [7440-39-3]^ 97.0 ug/L 1 1.10 10.0 1A28030 EPA 6010D 02/03/21 11:46 JDH Beryllium [7440-41-7]^ 0.160 U ug/L 1 0.160 1.00 1A28030 EPA 6010D 02/03/21 11:46 JDH Cadmium [7440-43-9]^ 0.360 U ug/L 1 0.360 1.00 1A28030 EPA 6010D 02/03/21 11:46 JDH Chromium [7440-47-3]^ 1.40 U ug/L 1 1.40 10.0 1A28030 EPA 6010D 02/03/21 11:46 JDH Cobalt [7440-48-4]^ 1.40 U ug/L 1 1.40 10.0 1A28030 EPA 6010D 02/03/21 11:46 JDH Copper[7440-50-8]^ 3.19 J ug/L 1 1.60 10.0 1A28030 EPA 6010D 02/03/21 11:46 JDH Lead [7439-92-1]^ 3.10 U ug/L 1 3.10 10.0 1A28030 EPA 6010D 02/03/21 11:46 JDH Nickel[7440-02-0]^ 2.20 U ug/L 1 2.20 10.0 1A28030 EPA 6010D 02/03/21 11:46 JDH Selenium [7782-49-2]^ 6.20 U ug/L 1 6.20 10.0 1A28030 EPA 6010D 02/03/21 11:46 JDH Silver [7440-22-4]^ 1.90 U ug/L 1 1.90 10.0 1A28030 EPA 6010D 02/03/21 11:46 JDH Thallium [7440-28-0]^ 0.220 U ug/L 2 0.220 2.00 1A30003 EPA 6020B 02/04/21 11:45 RLF Vanadium [7440-62-2]^ 1.40 U ug/L 1 1.40 10.0 1A28030 EPA 6010D 02/03/21 11:46 JDH Zinc [7440-66-6]^ 4.40 U ug/L 1 4.40 10.0 1A28030 EPA 6010D 02/03/21 11:46 JDH FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 48 of %3 0Nk"q09 www.encolabs.com ANALYTICAL RESULTS Description: 8003-SW5 Lab Sample ID:CE00222-21 Received: 01/28/21 10:30 Matrix: Surface Water Sampled: 01/27/2109:30 Work Order: CE00222 Project: Rowan County Active Landfills Sampled By: Darren Cox Volatile Organic Compounds by GCMS ^ - ENCO Cary rertified analyte [NC 591] Analyte FCAS Numberl Results Flaa Units DF MDL P L Batch Method Analyzed By Notes 1,1,1,2-Tetrachloroethane [630-20-6]A 0.17 U ug/L 1 0.17 1.0 1B02036 EPA 8260D 02/03/21 00:39 RKY 1,1,1-Trichloroethane [71-55-6]A 0.12 U ug/L 1 0.12 1.0 1B02036 EPA 8260D 02/03/21 00:39 RKY 1,1,2,2-Tetrachloroethane [79-34-5]A 0.28 U ug/L 1 0.28 1.0 1B02036 EPA 8260D 02/03/21 00:39 RKY 1,1,2-Trichloroethane [79-00-5]A 0.14 U ug/L 1 0.14 1.0 1B02036 EPA 8260D 02/03/21 00:39 RKY 1,1-Dichloroethane [75-34-3]A 0.13 U ug/L 1 0.13 1.0 1B02036 EPA 8260D 02/03/21 00:39 RKY 1,1-Dichloroethene [75-35-4]A 0.21 U ug/L 1 0.21 1.0 1B02036 EPA 8260D 02/03/21 00:39 RKY 1,2,3-Trichloropropane [96-18-4]A 0.23 U ug/L 1 0.23 1.0 1B02036 EPA 8260D 02/03/21 00:39 RKY 1,2-Dibromo-3-chloropropane [96-12-8]A 0.48 U ug/L 1 0.48 1.0 1B02036 EPA 8260D 02/03/21 00:39 RKY 1,2-Dibromoethane [106-93-4]A 0.66 U ug/L 1 0.66 1.0 1B02036 EPA 8260D 02/03/21 00:39 RKY 1,2-Dichlorobenzene [95-50-1]A 0.19 U ug/L 1 0.19 1.0 1B02036 EPA 8260D 02/03/21 00:39 RKY 1,2-Dichloroethane [107-06-2]A 0.21 U ug/L 1 0.21 1.0 1B02036 EPA 8260D 02/03/21 00:39 RKY 1,2-Dichloropropane [78-87-5]A 0.10 U ug/L 1 0.10 1.0 1B02036 EPA 8260D 02/03/21 00:39 RKY 1,4-Dichlorobenzene [106-46-7]A 0.19 U ug/L 1 0.19 1.0 1B02036 EPA 8260D 02/03/21 00:39 RKY 2-Butanone [78-93-3]A 1.3 U ug/L 1 1.3 5.0 1B02036 EPA 8260D 02/03/21 00:39 RKY QL-02, QV-01 2-Hexanone [591-78-6]A 0.88 u ug/L 1 0.88 5.0 1B02036 EPA 8260D 02/03/21 00:39 RKY 4-Methyl-2-pentanone [108-10-1]A 1.1 u ug/L 1 1.1 5.0 1B02036 EPA 8260D 02/03/21 00:39 RKY QV-01 Acetone [67-64-1]A 10 u ug/L 1 10 20 1B02036 EPA 8260D 02/03/21 00:39 RKY QL-02, QV-01 Acrylonitrile [107-13-1]A 3.5 u ug/L 1 3.5 10 1B02036 EPA 8260D 02/03/21 00:39 RKY Benzene[71-43-2]A 0.15 u ug/L 1 0.15 1.0 1B02036 EPA 8260D 02/03/21 00:39 RKY Bromochloromethane [74-97-5]A 0.48 u ug/L 1 0.48 1.0 1BO2036 EPA 8260D 02/03/21 00:39 RKY Bromodichloromethane [75-27-4]A 0.17 u ug/L 1 0.17 1.0 1BO2036 EPA 8260D 02/03/21 00:39 RKY Bromoform [75-25-2]A 0.22 u ug/L 1 0.22 1.0 1B02036 EPA 8260D 02/03/21 00:39 RKY Bromomethane [74-83-9]A 0.14 u ug/L 1 0.14 1.0 1BO2036 EPA 8260D 02/03/21 00:39 RKY Carbon disulfide [75-15-0]A 1.5 u ug/L 1 1.5 5.0 1B02036 EPA 8260D 02/03/21 00:39 RKY Carbon tetrachloride [56-23-5]A 0.17 u ug/L 1 0.17 1.0 1B02036 EPA 8260D 02/03/21 00:39 RKY Chlorobenzene[108-90-7]A 0.17 u ug/L 1 0.17 1.0 1B02036 EPA 8260D 02/03/21 00:39 RKY Chloroethane [75-00-3]A 0.23 u ug/L 1 0.23 1.0 1B02036 EPA 8260D 02/03/21 00:39 RKY Chloroform [67-66-3]A 0.18 u ug/L 1 0.18 1.0 1B02036 EPA 8260D 02/03/21 00:39 RKY Chloromethane [74-87-3]A 0.13 u ug/L 1 0.13 1.0 1BO2036 EPA 8260D 02/03/21 00:39 RKY cis-1,2-Dichloroethene [156-59-2]A 0.15 u ug/L 1 0.15 1.0 1BO2036 EPA 8260D 02/03/21 00:39 RKY cis-1,3-Dichloropropene [10061-01-5]A 0.20 u ug/L 1 0.20 1.0 1B02036 EPA 8260D 02/03/21 00:39 RKY Dibromochloromethane [124-48-1]A 0.17 u ug/L 1 0.17 1.0 1B02036 EPA 8260D 02/03/21 00:39 RKY Dibromomethane [74-95-3]A 0.27 u ug/L 1 0.27 1.0 1B02036 EPA 8260D 02/03/21 00:39 RKY Ethylbenzene[100-41-4]A 0.13 u ug/L 1 0.13 1.0 1BO2036 EPA 8260D 02/03/21 00:39 RKY Iodomethane [74-88-4]A 1.7 u ug/L 1 1.7 5.0 1BO2036 EPA 8260D 02/03/21 00:39 RKY Methylene chloride [75-09-2]A 0.23 u ug/L 1 0.23 1.0 1B02036 EPA 8260D 02/03/21 00:39 RKY Styrene[100-42-5]A 0.11 u ug/L 1 0.11 1.0 1B02036 EPA 8260D 02/03/21 00:39 RKY Tetrachloroethene [127-18-4]A 0.17 u ug/L 1 0.17 1.0 1B02036 EPA 8260D 02/03/21 00:39 RKY Tetrahydrofuran [109-99-9]A 0.53 u ug/L 1 0.53 1.0 1B03031 EPA 8260D 02/03/21 19:26 RKY Toluene [108-88-3]A 0.14 u ug/L 1 0.14 1.0 1B02036 EPA 8260D 02/03/21 00:39 RKY trans-1,2-Dichloroethene [156-60-5]A 0.21 u ug/L 1 0.21 1.0 1B02036 EPA 8260D 02/03/21 00:39 RKY trans-1,3-Dichloropropene [10061-02-6]A 0.15 u ug/L 1 0.15 1.0 1B02036 EPA 8260D 02/03/21 00:39 RKY trans-1,4-Dichloro-2-butene [110-57-6]A 0.70 u ug/L 1 0.70 1.0 1B02036 EPA 8260D 02/03/21 00:39 RKY Trichloroethene [79-01-6]A 0.15 u ug/L 1 0.15 1.0 1B02036 EPA 8260D 02/03/21 00:39 RKY Trichlorofluoromethane [75-69-4]A 0.24 u ug/L 1 0.24 1.0 1B02036 EPA 8260D 02/03/21 00:39 RKY FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 49 Of 73 (� �Eo www.encolabs.com ANALYTICAL RESULTS Description: 8003-SW5 Lab Sample ID:CE00222-21 Received: 01/28/21 10:30 Matrix: Surface Water Sampled: 01/27/2109:30 Work Order: CE00222 Project: Rowan County Active Landfills Sampled By: Darren Cox 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 Vinyl acetate [108-05-4]^ 0.95 U ug/L 1 0.95 5.0 1B02036 EPA 8260D 02/03/21 00:39 RKY QV-01 Vinyl chloride [75-01-4]^ 0.32 U ug/L 1 0.32 1.0 1B02036 EPA 8260D 02/03/21 00:39 RKY Xylenes (Total) [1330-20-7]^ 0.45 U ug/L 1 0.45 3.0 1B02036 EPA 8260D 02/03/21 00:39 RKY Surrogates Results DF Spike Lv/ % Rec % Rec Limits Batch Method Ana/vzed By Notes 4-Bromofluorobenzene 50 1 50.0 100 % 53-136 IB02036 EPA 8260D 02103121 00:39 RKY Dibromofluoromethane 53 1 50.0 106 % 67-129 IB02036 EPA 8260D 02103121 00:39 RKY Toluene-d8 61 1 50.0 122 % 59-134 IB02036 EPA 6260D 02103121 00:39 RKY 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[7440-36-0]^ 0.740 U ug/L 2 0.740 2.00 1A30003 EPA 6020B 02/04/21 11:49 RLF Arsenic [7440-38-2]^ 7.60 U ug/L 1 7.60 10.0 1A28031 EPA 6010D 02/01/21 11:22 JDH Barium [7440-39-3]^ 93.4 ug/L 1 1.10 10.0 1A28031 EPA 6010D 02/01/21 11:22 JDH Beryllium [7440-41-7]^ 0.160 U ug/L 1 0.160 1.00 1A28031 EPA 6010D 02/01/21 11:22 JDH Cadmium [7440-43-9]^ 0.360 U ug/L 1 0.360 1.00 1A28031 EPA 6010D 02/01/21 11:22 JDH Chromium [7440-47-3]^ 1.40 U ug/L 1 1.40 10.0 1A28031 EPA 6010D 02/01/21 11:22 JDH Cobalt[7440-48-4]^ 9.27 J ug/L 1 1.40 10.0 1A28031 EPA 6010D 02/01/21 11:22 JDH Copper[7440-50-8]^ 1.60 U ug/L 1 1.60 10.0 1A28031 EPA 6010D 02/01/21 11:22 JDH Lead [7439-92-1]^ 3.10 U ug/L 1 3.10 10.0 1A28031 EPA 6010D 02/01/21 11:22 JDH Nickel[7440-02-O]^ 6.27 J ug/L 1 2.20 10.0 1A28031 EPA 6010D 02/01/21 11:22 JDH Selenium [7782-49-2]^ 6.20 U ug/L 1 6.20 10.0 1A28031 EPA 6010D 02/01/21 11:22 JDH Silver [7440-22-4]^ 1.90 U ug/L 1 1.90 10.0 1A28031 EPA 6010D 02/01/21 11:22 JDH Thallium [7440-28-0]^ 0.220 U ug/L 2 0.220 2.00 1A30003 EPA 6020B 02/04/21 11:49 RLF Vanadium [7440-62-2]^ 1.40 U ug/L 1 1.40 10.0 1A28031 EPA 6010D 02/01/21 11:22 JDH Zinc [7440-66-6]^ 4.40 U ug/L 1 4.40 10.0 1A28031 EPA 6010D 02/01/21 11:22 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]^ 2.6 ug/L 1 0.80 2.0 1B04022 EPA 8260D 02/04/21 11:22 KKW Surrogates Results DF Spike Lv/ % Rec % Rec Limits Batch Method Analyzed ffy Notes Toluene-d8 6.0 1 5.00 121 % 75-125 1B04022 EPA 8260D 02104121 11:22 KKW FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 50 of 73 0Nk"q09 www.encolabs.com ANALYTICAL RESULTS Description: 8003-Field Blank Lab Sample ID:CE00222-22 Received: 01/28/21 10:30 Matrix: Water Sampled:01/27/21 13:35 Work Order: CE00222 Project: Rowan County Active Landfills Sampled By: Darren Cox Volatile Organic Compounds by GCMS ^ - ENCO Cary rertified analyte [NC 591] Analyte FCAS Numberl Results Flaa Units DF MDL P L Batch Method Analyzed By Notes 1,1,1,2-Tetrachloroethane [630-20-6]A 0.17 U ug/L 1 0.17 1.0 1B02036 EPA 8260D 02/02/21 20:04 RKY 1,1,1-Trichloroethane [71-55-6]A 0.12 U ug/L 1 0.12 1.0 1B02036 EPA 8260D 02/02/21 20:04 RKY 1,1,2,2-Tetrachloroethane [79-34-5]A 0.28 U ug/L 1 0.28 1.0 1B02036 EPA 8260D 02/02/21 20:04 RKY 1,1,2-Trichloroethane [79-00-5]A 0.14 U ug/L 1 0.14 1.0 1B02036 EPA 8260D 02/02/21 20:04 RKY 1,1-Dichloroethane [75-34-3]A 0.13 U ug/L 1 0.13 1.0 1B02036 EPA 8260D 02/02/21 20:04 RKY 1,1-Dichloroethene [75-35-4]A 0.21 U ug/L 1 0.21 1.0 1B02036 EPA 8260D 02/02/21 20:04 RKY 1,2,3-Trichloropropane [96-18-4]A 0.23 U ug/L 1 0.23 1.0 1B02036 EPA 8260D 02/02/21 20:04 RKY 1,2-Dibromo-3-chloropropane [96-12-8]A 0.48 U ug/L 1 0.48 1.0 1B02036 EPA 8260D 02/02/21 20:04 RKY 1,2-Dibromoethane [106-93-4]A 0.66 U ug/L 1 0.66 1.0 1B02036 EPA 8260D 02/02/21 20:04 RKY 1,2-Dichlorobenzene [95-50-1]A 0.19 U ug/L 1 0.19 1.0 1B02036 EPA 8260D 02/02/21 20:04 RKY 1,2-Dichloroethane [107-06-2]A 0.21 U ug/L 1 0.21 1.0 1B02036 EPA 8260D 02/02/21 20:04 RKY 1,2-Dichloropropane [78-87-5]A 0.10 U ug/L 1 0.10 1.0 1B02036 EPA 8260D 02/02/21 20:04 RKY 1,4-Dichlorobenzene [106-46-7]A 0.19 U ug/L 1 0.19 1.0 1B02036 EPA 8260D 02/02/21 20:04 RKY 2-Butanone [78-93-3]A 1.3 U ug/L 1 1.3 5.0 1B02036 EPA 8260D 02/02/21 20:04 RKY QL-02, QV-01 2-Hexanone [591-78-6]A 0.88 u ug/L 1 0.88 5.0 1B02036 EPA 8260D 02/02/21 20:04 RKY 4-Methyl-2-pentanone [108-10-1]A 1.1 u ug/L 1 1.1 5.0 1B02036 EPA 8260D 02/02/21 20:04 RKY QV-01 Acetone [67-64-1]A 10 u ug/L 1 10 20 1B02036 EPA 8260D 02/02/21 20:04 RKY QL-02, QV-01 Acrylonitrile [107-13-1]A 3.5 u ug/L 1 3.5 10 1B02036 EPA 8260D 02/02/21 20:04 RKY Benzene[71-43-2]A 0.15 u ug/L 1 0.15 1.0 1B02036 EPA 8260D 02/02/21 20:04 RKY Bromochloromethane [74-97-5]A 0.48 u ug/L 1 0.48 1.0 1B02036 EPA 8260D 02/02/21 20:04 RKY Bromodichloromethane [75-27-4]A 0.17 u ug/L 1 0.17 1.0 1B02036 EPA 8260D 02/02/21 20:04 RKY Bromoform [75-25-2]A 0.22 u ug/L 1 0.22 1.0 1B02036 EPA 8260D 02/02/21 20:04 RKY Bromomethane [74-83-9]A 0.14 u ug/L 1 0.14 1.0 1B02036 EPA 8260D 02/02/21 20:04 RKY Carbon disulfide [75-15-0]A 1.5 u ug/L 1 1.5 5.0 1B02036 EPA 8260D 02/02/21 20:04 RKY Carbon tetrachloride [56-23-5]A 0.17 u ug/L 1 0.17 1.0 1B02036 EPA 8260D 02/02/21 20:04 RKY Chlorobenzene[108-90-7]A 0.17 u ug/L 1 0.17 1.0 1B02036 EPA 8260D 02/02/21 20:04 RKY Chloroethane [75-00-3]A 0.23 u ug/L 1 0.23 1.0 1B02036 EPA 8260D 02/02/21 20:04 RKY Chloroform [67-66-3]A 0.18 u ug/L 1 0.18 1.0 1B02036 EPA 8260D 02/02/21 20:04 RKY Chloromethane [74-87-3]A 0.13 u ug/L 1 0.13 1.0 1B02036 EPA 8260D 02/02/21 20:04 RKY cis-1,2-Dichloroethene [156-59-2]A 0.15 u ug/L 1 0.15 1.0 1BO2036 EPA 8260D 02/02/21 20:04 RKY cis-1,3-Dichloropropene [10061-01-5]A 0.20 u ug/L 1 0.20 1.0 1B02036 EPA 8260D 02/02/21 20:04 RKY Dibromochloromethane [124-48-1]A 0.17 u ug/L 1 0.17 1.0 1B02036 EPA 8260D 02/02/21 20:04 RKY Dibromomethane [74-95-3]A 0.27 u ug/L 1 0.27 1.0 1B02036 EPA 8260D 02/02/21 20:04 RKY Ethylbenzene[100-41-4]A 0.13 u ug/L 1 0.13 1.0 1B02036 EPA 8260D 02/02/21 20:04 RKY Iodomethane [74-88-4]A 1.7 u ug/L 1 1.7 5.0 1B02036 EPA 8260D 02/02/21 20:04 RKY Methylene chloride [75-09-2]A 0.23 u ug/L 1 0.23 1.0 1B02036 EPA 8260D 02/02/21 20:04 RKY Styrene[100-42-5]A 0.11 u ug/L 1 0.11 1.0 1B02036 EPA 8260D 02/02/21 20:04 RKY Tetrachloroethene [127-18-4]A 0.17 u ug/L 1 0.17 1.0 1B02036 EPA 8260D 02/02/21 20:04 RKY Tetrahydrofuran [109-99-9]A 0.53 u ug/L 1 0.53 1.0 1B03031 EPA 8260D 02/03/21 18:59 RKY Toluene [108-88-3]A 0.14 u ug/L 1 0.14 1.0 1B02036 EPA 8260D 02/02/21 20:04 RKY trans-1,2-Dichloroethene [156-60-5]A 0.21 u ug/L 1 0.21 1.0 1B02036 EPA 8260D 02/02/21 20:04 RKY trans-1,3-Dichloropropene [10061-02-6]A 0.15 u ug/L 1 0.15 1.0 1B02036 EPA 8260D 02/02/21 20:04 RKY trans-1,4-Dichloro-2-butene [110-57-6]A 0.70 u ug/L 1 0.70 1.0 1B02036 EPA 8260D 02/02/21 20:04 RKY Trichloroethene [79-01-6]A 0.15 u ug/L 1 0.15 1.0 1B02036 EPA 8260D 02/02/21 20:04 RKY Trichlorofluoromethane [75-69-4]A 0.24 U ug/L 1 0.24 1.0 1B02036 EPA 8260D 02/02/21 20:04 RKY FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 51 Of 73 (� �Eo www.encolabs.com ANALYTICAL RESULTS Description: 8003-Field Blank Lab Sample ID:CE00222-22 Received: 01/28/21 10:30 Matrix: Water Sampled:01/27/21 13:35 Work Order: CE00222 Project: Rowan County Active Landfills Sampled By: Darren Cox 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 Vinyl acetate [108-05-4]^ 0.95 U ug/L 1 0.95 5.0 1B02036 EPA 8260D 02/02/21 20:04 RKY QV-01 Vinyl chloride [75-01-4]^ 0.32 U ug/L 1 0.32 1.0 1B02036 EPA 8260D 02/02/21 20:04 RKY Xylenes (Total) [1330-20-7]^ 0.45 U ug/L 1 0.45 3.0 1B02036 EPA 8260D 02/02/21 20:04 RKY Surrogates Results DF Spike Lv/ % Rec % Rec Limits Batch Method Ana/vzed By Notes 4-Bromofluorobenzene 51 1 50.0 102 % 53-136 IB02036 EPA 8260D 02102121 20:04 RKY Dibromofluoromethane 51 1 50.0 102 % 67-129 IB02036 EPA 8260D 02102121 20:04 RKY Toluene-d8 61 1 50.0 122 % 59-134 IB02036 EPA 6260D 02102121 20:04 RKY 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[7440-36-0]^ 0.740 U ug/L 2 0.740 2.00 1A30003 EPA 6020B 02/04/21 11:54 RLF Arsenic [7440-38-2]^ 7.60 U ug/L 1 7.60 10.0 1A28031 EPA 6010D 02/01/21 11:25 JDH Barium [7440-39-3]^ 1.10 U ug/L 1 1.10 10.0 1A28031 EPA 6010D 02/01/21 11:25 JDH Beryllium [7440-41-7]^ 0.160 U ug/L 1 0.160 1.00 1A28031 EPA 6010D 02/01/21 11:25 JDH Cadmium [7440-43-9]^ 0.360 U ug/L 1 0.360 1.00 1A28031 EPA 6010D 02/01/21 11:25 JDH Chromium [7440-47-3]^ 1.40 U ug/L 1 1.40 10.0 1A28031 EPA 6010D 02/01/21 11:25 JDH Cobalt [7440-48-4]^ 1.40 U ug/L 1 1.40 10.0 1A28031 EPA 6010D 02/01/21 11:25 JDH Copper[7440-50-8]^ 1.60 U ug/L 1 1.60 10.0 1A28031 EPA 6010D 02/01/21 11:25 JDH Lead [7439-92-1]^ 3.10 U ug/L 1 3.10 10.0 1A28031 EPA 6010D 02/01/21 11:25 JDH Nickel[7440-02-0]^ 2.20 U ug/L 1 2.20 10.0 1A28031 EPA 6010D 02/01/21 11:25 JDH Selenium [7782-49-2]^ 6.20 U ug/L 1 6.20 10.0 1A28031 EPA 6010D 02/01/21 11:25 JDH Silver [7440-22-4]^ 1.90 U ug/L 1 1.90 10.0 1A28031 EPA 6010D 02/01/21 11:25 JDH Thallium [7440-28-0]^ 0.220 U ug/L 2 0.220 2.00 1A30003 EPA 6020B 02/04/21 11:54 RLF Vanadium [7440-62-2]^ 1.40 U ug/L 1 1.40 10.0 1A28031 EPA 6010D 02/01/21 11:25 JDH Zinc [7440-66-6]^ 4.40 U ug/L 1 4.40 10.0 1A28031 EPA 6010D 02/01/21 11:25 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 1B04022 EPA 8260D 02/04/21 11:47 KKW Surrogates Results DF Spike Lv/ % Rec % Rec Limits Batch Method Analyzed ffy Notes Toluene-d8 5.5 1 5.00 110 % 75-125 1B04022 EPA 8260D 02104121 11:47 KKW FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 52 of 73 00� www.encolabs.com ANALYTICAL RESULTS Description: 8003-Trip Blank Lab Sample ID:CE00222-23 Received: 01/28/21 10:30 Matrix: Water Sampled: 01/26/2109:30 Work Order: CE00222 Project: Rowan County Active Landfills Sampled By: ENCO Volatile Organic Compounds by GCMS ^ - ENCO Cary certfied anaiyte [NC 591] Analyte ICAS Numberl Results Flaa Units DF MDL P L Batch Method Analyzed By Notes 1,1,1,2-Tetrachloroethane [630-20-6]A 0.17 u ug/L 1 0.17 1.0 1B03031 EPA 8260D 02/03/21 16:13 RKY 1,1,1-Trichloroethane [71-55-6]A 0.12 u ug/L 1 0.12 1.0 1B03031 EPA 8260D 02/03/21 16:13 RKY 1,1,2,2-Tetrachloroethane [79-34-5]A 0.28 u ug/L 1 0.28 1.0 1B03031 EPA 8260D 02/03/21 16:13 RKY 1,1,2-Trichloroethane [79-00-5]A 0.14 u ug/L 1 0.14 1.0 1B03031 EPA 8260D 02/03/21 16:13 RKY 1,1-Dichloroethane [75-34-3]^ 0.13 u ug/L 1 0.13 1.0 1B03031 EPA 8260D 02/03/21 16:13 RKY 1,1-Dichloroethene [75-35-4]^ 0.21 u ug/L 1 0.21 1.0 1B03031 EPA 8260D 02/03/21 16:13 RKY 1,2,3-Trichloropropane [96-18-4]^ 0.23 u ug/L 1 0.23 1.0 1B03031 EPA 8260D 02/03/21 16:13 RKY 1,2-Dibromo-3-chloropropane [96-12-8]^ 0.48 u ug/L 1 0.48 1.0 1B03031 EPA 8260D 02/03/21 16:13 RKY 1,2-Dibromoethane [106-93-4]^ 0.66 u ug/L 1 0.66 1.0 1B03031 EPA 8260D 02/03/21 16:13 RKY 1,2-Dichlorobenzene [95-50-1]^ 0.19 u ug/L 1 0.19 1.0 1B03031 EPA 8260D 02/03/21 16:13 RKY 1,2-Dichloroethane [107-06-2]^ 0.21 u ug/L 1 0.21 1.0 1B03031 EPA 8260D 02/03/21 16:13 RKY 1,2-Dichloropropane [78-87-5]^ 0.10 u ug/L 1 0.10 1.0 1B03031 EPA 8260D 02/03/21 16:13 RKY 1,4-Dichlorobenzene [106-46-7]^ 0.19 u ug/L 1 0.19 1.0 1B03031 EPA 8260D 02/03/21 16:13 RKY 2-Butanone [78-93-3]A 1.3 u ug/L 1 1.3 5.0 1B03031 EPA 8260D 02/03/21 16:13 RKY 2-Hexanone [591-78-6]A 0.88 u ug/L 1 0.88 5.0 1B03031 EPA 8260D 02/03/21 16:13 RKY 4-Methyl-2-pentanone [108-10-1]^ 1.1 u ug/L 1 1.1 5.0 1B03031 EPA 8260D 02/03/21 16:13 RKY Acetone [67-64-1]A 10 u ug/L 1 10 20 1B03031 EPA 8260D 02/03/21 16:13 RKY Acrylonitrile [107-13-1]^ 3.5 u ug/L 1 3.5 10 1B03031 EPA 8260D 02/03/21 16:13 RKY Benzene[71-43-2]A 0.15 u ug/L 1 0.15 1.0 1B03031 EPA 8260D 02/03/21 16:13 RKY Bromochloromethane [74-97-5]A 0.48 u ug/L 1 0.48 1.0 1B03031 EPA 8260D 02/03/21 16:13 RKY Bromodichloromethane [75-27-4]^ 0.17 u ug/L 1 0.17 1.0 1B03031 EPA 8260D 02/03/21 16:13 RKY Bromoform [75-25-2]^ 0.22 u ug/L 1 0.22 1.0 1B03031 EPA 8260D 02/03/21 16:13 RKY Bromomethane [74-83-9]A 0.14 u ug/L 1 0.14 1.0 1B03031 EPA 8260D 02/03/21 16:13 RKY Carbon disulfide [75-15-0]A 1.5 u ug/L 1 1.5 5.0 1B03031 EPA 8260D 02/03/21 16:13 RKY Carbon tetrachloride [56-23-5]A 0.17 u ug/L 1 0.17 1.0 1B03031 EPA 8260D 02/03/21 16:13 RKY QV-01 Chlorobenzene[108-90-7]A 0.17 u ug/L 1 0.17 1.0 1B03031 EPA 8260D 02/03/21 16:13 RKY Chloroethane [75-00-3]A 0.23 u ug/L 1 0.23 1.0 1B03031 EPA 8260D 02/03/21 16:13 RKY Chloroform [67-66-3]^ 0.18 u ug/L 1 0.18 1.0 1B03031 EPA 8260D 02/03/21 16:13 RKY Chloromethane [74-87-3]A 0.13 u ug/L 1 0.13 1.0 1B03031 EPA 8260D 02/03/21 16:13 RKY cis-1,2-Dichloroethene [156-59-2]^ 0.15 u ug/L 1 0.15 1.0 1B03031 EPA 8260D 02/03/21 16:13 RKY cis-1,3-Dichloropropene [10061-01-5]A 0.20 u ug/L 1 0.20 1.0 1B03031 EPA 8260D 02/03/21 16:13 RKY QV-01 Dibromochloromethane [124-48-1]A 0.17 u ug/L 1 0.17 1.0 1B03031 EPA 8260D 02/03/21 16:13 RKY Dibromomethane [74-95-3]A 0.27 u ug/L 1 0.27 1.0 1B03031 EPA 8260D 02/03/21 16:13 RKY Ethylbenzene[100-41-4]A 0.13 u ug/L 1 0.13 1.0 1B03031 EPA 8260D 02/03/21 16:13 RKY Iodomethane [74-88-4]^ 1.7 u ug/L 1 1.7 5.0 1B03031 EPA 8260D 02/03/21 16:13 RKY Methylene chloride [75-09-2]A 0.23 u ug/L 1 0.23 1.0 1B03031 EPA 8260D 02/03/21 16:13 RKY Styrene[100-42-5]A 0.11 u ug/L 1 0.11 1.0 1B03031 EPA 8260D 02/03/21 16:13 RKY Tetrachloroethene [127-18-4]A 0.17 u ug/L 1 0.17 1.0 1B03031 EPA 8260D 02/03/21 16:13 RKY Tetrahydrofuran [109-99-9]^ 0.53 u ug/L 1 0.53 1.0 IA29017 EPA 8260D 01/29/21 21:29 RKY Toluene [108-88-3]^ 0.14 u ug/L 1 0.14 1.0 1B03031 EPA 8260D 02/03/21 16:13 RKY trans-1,2-Dichloroethene [156-60-5]^ 0.21 u ug/L 1 0.21 1.0 1B03031 EPA 8260D 02/03/21 16:13 RKY trans-1,3-Dichloropropene [10061-02-6]^ 0.15 u ug/L 1 0.15 1.0 1B03031 EPA 8260D 02/03/21 16:13 RKY trans-1,4-Dichloro-2-butene [110-57-6]A 0.70 u ug/L 1 0.70 1.0 1B03031 EPA 8260D 02/03/21 16:13 RKY Trichloroethene [79-01-6]^ 0.15 u ug/L 1 0.15 1.0 1B03031 EPA 8260D 02/03/21 16:13 RKY Trichlorofluoromethane [75-69-4]^ 0.24 u ug/L 1 0.24 1.0 1B03031 EPA 8260D 02/03/21 16:13 RKY Vinyl acetate [108-05-4]A 0.95 u ug/L 1 0.95 5.0 1B03031 EPA 8260D 02/03/21 16:13 RKY Vinyl chloride [75-01-4]^ 0.32 u ug/L 1 0.32 1.0 1B03031 EPA 8260D 02/03/21 16:13 RKY FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 53 Of 73 (� �Eo www.encolabs.com ANALYTICAL RESULTS Description: 8003-Trip Blank Lab Sample ID:CE00222-23 Received: 01/28/21 10:30 Matrix: Water Sampled: 01/26/2109:30 Work Order: CE00222 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 AX Notes Xylenes (Total) [1330-20-7]^ 0.45 U ug/L 1 0.45 3.0 1B03031 EPA 8260D 02/03/21 16:13 RKY Surrogates Results DF Spike Lv/ % Rec % Rec Limits Batch Method Ana/vzed By Notes 4-Bromofluorobenzene 50 1 50.0 100 % 53-136 IB03031 EPA 6260D 02103121 16:13 RKY Dlbromofluoromethane 51 1 50.0 102 % 67-129 IB03031 EPA 6260D 02103121 16:13 RKY Toluene-& 62 1 50.0 124 % 59-134 IB03031 EPA 6260D 02103121 16:13 RKY FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 54 Of 73 (� �Eo www.encolabs.com QUALITY CONTROL DATA Volatile Organic Compounds by GCMS - Quality Control Batch 1A29017 - EPA 5030E MS Blank (1A29017-BLK1) Prepared: 01/29/2021 16:27 Analyzed: 01/29/2021 20:29 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 44 u91L 50.0 89 53-136 FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. Page 55 Of 73 QUALITY CONTROL DATA Volatile Organic Compounds by GCMS - Quality Control Batch 1A29017 - EPA 5030E MS - Continued (� �Eo www.encolabs.com Blank (1A29017-BLK1) Continued Prepared: 01/29/2021 16:27 Analyzed: 01/29/2021 20:29 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Dibromofluoromethane 48 u91L 50.0 96 67-129 Toluene-& 60 u91L 50.0 119 59-134 LCS (3A29017-BSI) Prepared: 01/29/2021 16:27 Analyzed: 01/29/2021 18:30 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes 1,1-Dichloroethene 20 1.0 ug/L 20.0 98 75-133 Benzene 19 1.0 ug/L 20.0 96 80-134 Chlorobenzene 19 1.0 ug/L 20.0 95 80-120 Toluene 18 1.0 ug/L 20.0 88 71-120 Trichloroethene 19 1.0 ug/L 20.0 96 74-120 Matrix Spike (1A29017-MS1) Prepared: 01/29/2021 16:27 Analyzed: 01/29/2021 19:00 Source: CE00222-05 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes 1,1-Dichloroethene 24 1.0 ug/L 20.0 0.21 U 120 75-133 Benzene 21 1.0 ug/L 20.0 0.15 U 104 80-134 Chlorobenzene 21 1.0 ug/L 20.0 0.17 U 103 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 105 74-120 Matrix Spike Dup (1A29017-MSDI) Prepared: 01/29/2021 16:27 Analyzed: 01/29/2021 19:29 Source: CE00222-05 Analvte 1,1-Dichloroethene Benzene Chlorobenzene Toluene Trichloroethene Batch 1BO1003 - EPA 5030B MS Result 23 21 20 19 19 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 117 103 98 94 97 %REC Limits 75-133 80-134 80-120 71-120 74-120 RPD 2 0.9 5 5 7 RPD Limit Notes 20 17 16 17 22 Blank (1B03003-BLK3) Prepared: 02/01/2021 08:12 Analyzed: 02/01/2021 12:32 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 56 Of 73 (� �Eo www.encolabs.com QUALITY CONTROL DATA Volatile Organic Compounds by GCMS - Quality Control Batch 1B01003 - EPA 5030E MS - Continued Blank (SB01003-BLK1) Continued Prepared: 02/01/2021 08:12 Analyzed: 02/01/2021 12:32 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 42 u91L 50.0 65 53-136 Dibromofluoromethane 47 u91L 50.0 94 67-129 Toluene-d8 59 u91L 50.0 119 59-134 LCS (1B01003-BSI) Prepared: 02/01/2021 08:12 Analyzed: 02/01/2021 10:33 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes 1,1-Dichloroethene 22 1.0 ug/L 20.0 110 75-133 Benzene 20 1.0 ug/L 20.0 102 80-134 Chlorobenzene 18 1.0 ug/L 20.0 90 80-120 Toluene 19 1.0 ug/L 20.0 93 71-120 Trichloroethene 20 1.0 ug/L 20.0 101 74-120 FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 57 of 73 (� �Eo www.encolabs.com QUALITY CONTROL DATA Volatile Organic Compounds by GCMS - Quality Control Batch 1B01003 - EPA 5030E MS - Continued Matrix Spike (1B01003-MS1) Prepared: 02/01/2021 08:12 Analyzed: 02/01/2021 11:03 Source: CE01306-03 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes 1,1-Dichloroethene 21 1.0 ug/L 20.0 0.21 U 107 75-133 Benzene 19 1.0 ug/L 20.0 0.15 U 96 80-134 Chlorobenzene 18 1.0 ug/L 20.0 0.17 U 92 80-120 Toluene 18 1.0 ug/L 20.0 0.14 U 91 71-120 Trichloroethene 20 1.0 ug/L 20.0 0.15 U 98 74-120 Matrix Spike Dup (1B03003-MSD1) Prepared: 02/01/2021 08:12 Analyzed: 02/01/2021 11:33 Source: CE01306-03 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes 1,1-Dichloroethene 23 1.0 ug/L 20.0 0.21 U 115 75-133 8 20 Benzene 20 1.0 ug/L 20.0 0.15 U 99 80-134 2 17 Chlorobenzene 19 1.0 ug/L 20.0 0.17 U 96 80-120 5 16 Toluene 19 1.0 ug/L 20.0 0.14 U 95 71-120 5 17 Trichloroethene 20 1.0 ug/L 20.0 0.15 U 98 74-120 0.2 22 Batch 1BO2036 - EPA 5030E MS Blank (1B02036-BLK3) Prepared: 02/02/2021 15:23 Analyzed: 02/02/2021 18:42 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 58 Of 73 QUALITY CONTROL DATA Volatile Organic Compounds by GCMS - Quality Control Batch IB02036 - EPA 5030E MS - Continued (� �Eo www.encolabs.com Blank (SB02036-BLK1) Continued Prepared: 02/02/2021 15:23 Analyzed: 02/02/2021 18:42 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 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 50 ug/L 50.0 100 53-136 Dibromofluoromethane 50 ug/L 50.0 100 67-129 Toluene-d8 59 u9/L 50.0 119 59-134 LCS (IB02036-BSI) Prepared: 02/02/2021 15:23 Analyzed: 02/02/2021 16:51 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 84 75-133 Benzene 18 1.0 ug/L 20.0 88 80-134 Chlorobenzene 18 1.0 ug/L 20.0 91 80-120 Toluene 17 1.0 ug/L 20.0 86 71-120 Trichloroethene 19 1.0 ug/L 20.0 96 74-120 Matrix Spike (1B02036-MS1) Prepared: 02/02/2021 15:23 Analyzed: 02/02/2021 17:19 Source: CE01306-09 Spike Source %REC RPD Analvte Result Flaq Q Units Level Result %REC Limits RPD Limit Notes 1,1-Dichloroethene 18 1.0 ug/L 20.0 0.21 U 89 75-133 Benzene 19 1.0 ug/L 20.0 0.15 U 94 80-134 Chlorobenzene 19 1.0 ug/L 20.0 0.17 U 96 80-120 Toluene 18 1.0 ug/L 20.0 0.14 U 91 71-120 Trichloroethene 19 1.0 ug/L 20.0 0.15 U 94 74-120 Matrix Spike Dup (lB02036-MSDI) Prepared: 02/02/2021 15:23 Analyzed: 02/02/2021 17:46 Source: CE01306-09 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 89 75-133 0.5 20 Benzene 18 1.0 ug/L 20.0 0.15 U 89 80-134 6 17 Chlorobenzene 19 1.0 ug/L 20.0 0.17 U 94 80-120 2 16 Toluene 17 1.0 ug/L 20.0 0.14 U 85 71-120 6 17 Trichloroethene 19 1.0 ug/L 20.0 0.15 U 94 74-120 0.4 22 FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. Page 59 Of 73 (� �Eo www.encolabs.com QUALITY CONTROL DATA Volatile Organic Compounds by GCMS - Quality Control Batch 1803031 - EPA 5030E MS Blank (lB03031-BLK1) Prepared: 02/03/2021 12:37 Analyzed: 02/03/2021 15:18 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 RPD Level Result %REC Limits RPD Limit Notes 4-Bromoiluorobenzene 49 u9/L 50.0 96 53-136 FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. Page 6O Of 73 QUALITY CONTROL DATA Volatile Organic Compounds by GCMS - Quality Control Batch 1B03031 - EPA 5030E MS - Continued (� �Eo www.encolabs.com Blank (SB03031-BLK1) Continued Prepared: 02/03/2021 12:37 Analyzed: 02/03/2021 15:18 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Dibromofluoromethane 49 u91L 50.0 96 67-129 Toluene-& 59 u91L 50.0 118 59-134 LCS (1B03031-BSI) Prepared: 02/03/2021 12:37 Analyzed: 02/03/2021 13:27 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes 1,1-Dichloroethene 22 1.0 ug/L 20.0 108 75-133 Benzene 21 1.0 ug/L 20.0 103 80-134 Chlorobenzene 22 1.0 ug/L 20.0 110 80-120 Toluene 20 1.0 ug/L 20.0 102 71-120 Trichloroethene 20 1.0 ug/L 20.0 101 74-120 Matrix Spike (1B03031-MS1) Prepared: 02/03/2021 12:37 Analyzed: 02/03/2021 13:55 Source: CE01306-10 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes 1,1-Dichloroethene 22 1.0 ug/L 20.0 0.21 U 112 75-133 Benzene 19 1.0 ug/L 20.0 0.15 U 97 80-134 Chlorobenzene 21 1.0 ug/L 20.0 0.17 U 103 80-120 Toluene 19 1.0 ug/L 20.0 0.14 U 96 71-120 Trichloroethene 21 1.0 ug/L 20.0 0.15 U 103 74-120 Matrix Spike Dup (lB03031-MSDI) Prepared: 02/03/2021 12:37 Analyzed: 02/03/2021 14:23 Source: CE01306-10 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result O/oREC Limits RPD Limit Notes 1,1-Dichloroethene 21 1.0 ug/L 20.0 0.21 U 103 75-133 9 20 Benzene 20 1.0 ug/L 20.0 0.15 U 99 80-134 2 17 Chlorobenzene 20 1.0 ug/L 20.0 0.17 U 102 80-120 0.9 16 Toluene 20 1.0 ug/L 20.0 0.14 U 101 71-120 5 17 Trichloroethene 21 1.0 ug/L 20.0 0.15 U 104 74-120 0.8 22 Metals (total recoverable) by EPA 6000/7000 Series Methods - Quality Control Batch IA28030 - EPA 3005A Blank (1A28030-BLK3) Prepared: 01/28/2021 13:11 Analyzed: 02/03/2021 10:30 Analvte Result Flaq POL Units 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 Spike Source O/oREC RPD Level Result O/oREC 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 61 Of 73 (� �Eo www.encolabs.com QUALITY CONTROL DATA Metals (total recoverable) by EPA 6000/7000 Series Methods - Quality Control Batch 1A2B030 - EPA 3005A - Continued Blank (1A28030-BLK1) Continued Prepared: 01/28/2021 13:11 Analyzed: 02/03/2021 10:30 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Vanadium 1.40 U 10.0 ug/L Zinc 4.40 U 10.0 ug/L LCS (3A28030-BSI) Prepared: 01/28/2021 13:11 Analyzed: 02/03/2021 10:36 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Arsenic 208 10.0 ug/L 200 104 80-120 Barium 219 10.0 ug/L 200 109 80-120 Beryllium 20.5 1.00 ug/L 20.0 102 80-120 Cadmium 21.0 1.00 ug/L 20.0 105 80-120 Chromium 211 10.0 ug/L 200 105 80-120 Cobalt 210 10.0 ug/L 200 105 80-120 Copper 210 10.0 ug/L 200 105 80-120 Lead 212 10.0 ug/L 200 106 80-120 Nickel 219 10.0 ug/L 200 109 80-120 Selenium 215 10.0 ug/L 200 108 80-120 Silver 216 10.0 ug/L 200 108 80-120 Vanadium 209 10.0 ug/L 200 105 80-120 Zinc 214 10.0 ug/L 200 107 80-120 Matrix Spike (1A28030-MS1) Prepared: 01/28/2021 13:11 Analyzed: 02/03/2021 10:40 Source: CE00222-05 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Arsenic 198 10.0 ug/L 200 7.60 U 99 75-125 Barium 259 10.0 ug/L 200 55.8 102 75-125 Beryllium 19.8 1.00 ug/L 20.0 0.252 98 75-125 Cadmium 19.6 1.00 ug/L 20.0 0.360 U 98 75-125 Chromium 199 10.0 ug/L 200 1.40 U 99 75-125 Cobalt 197 10.0 ug/L 200 1.40 U 99 75-125 Copper 194 10.0 ug/L 200 1.60 U 97 75-125 Lead 200 10.0 ug/L 200 3.10 U 100 75-125 Nickel 205 10.0 ug/L 200 2.20 U 102 75-125 Selenium 207 10.0 ug/L 200 6.20 U 103 75-125 Silver 201 10.0 ug/L 200 1.90 U 101 75-125 Vanadium 199 10.0 ug/L 200 1.40 U 99 75-125 Zinc 205 10.0 ug/L 200 4.40 U 102 75-125 Matrix Spike Dup (1A28030-MSD1) Prepared: 01/28/2021 13:11 Analyzed: 02/03/2021 10:42 Source: CE00222-05 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Arsenic 196 10.0 ug/L 200 7.60 U 98 75-125 0.9 20 Barium 256 10.0 ug/L 200 55.8 100 75-125 1 20 Beryllium 19.5 1.00 ug/L 20.0 0.252 96 75-125 2 20 Cadmium 19.4 1.00 ug/L 20.0 0.360 U 97 75-125 0.8 20 Chromium 195 10.0 ug/L 200 1.40 U 98 75-125 2 20 Cobalt 195 10.0 ug/L 200 1.40 U 97 75-125 1 20 Copper 190 10.0 ug/L 200 1.60 U 95 75-125 2 20 Lead 196 10.0 ug/L 200 3.10 U 98 75-125 2 20 FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. Page 62 of 73 (� �Eo www.encolabs.com QUALITY CONTROL DATA Metals (total recoverable) by EPA 6000/7000 Series Methods - Quality Control Batch 1A28030 - EPA 3005A - Continued Matrix Spike Dup (1A28030-MSDS) Continued Prepared: 01/28/2021 13:11 Analyzed: 02/03/2021 10:42 Source: CE00222-05 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Nickel 202 10.0 ug/L 200 2.20 U 101 75-125 1 20 Selenium 197 10.0 ug/L 200 6.20 U 99 75-125 5 20 Silver 197 10.0 ug/L 200 1.90 U 99 75-125 2 20 Vanadium 195 10.0 ug/L 200 1.40 U 97 75-125 2 20 Zinc 202 10.0 ug/L 200 4.40 U 101 75-125 1 20 Post Spike (1A28030-PSI) Prepared: 01/28/2021 13:11 Analyzed: 02/03/2021 10:45 Source: CE00222-05 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Arsenic 0.202 0.0100 mg/L 0.200 0.00452 99 80-120 Barium 0.271 0.0100 mg/L 0.200 0.0558 108 80-120 Beryllium 0.0211 0.00100 mg/L 0.0200 0.000252 104 80-120 Cadmium 0.0207 0.00100 mg/L 0.0200 6.81E-5 103 80-120 Chromium 0.209 0.0100 mg/L 0.200 0.000978 104 80-120 Cobalt 0.208 0.0100 mg/L 0.200 -0.000393 104 80-120 Copper 0.205 0.0100 mg/L 0.200 0.000613 102 80-120 Lead 0.207 0.0100 mg/L 0.200 -0.00116 104 80-120 Nickel 0.214 0.0100 mg/L 0.200 0.00134 106 80-120 Selenium 0.214 0.0100 mg/L 0.200 -0.00216 107 80-120 Silver 0.214 0.0100 mg/L 0.200 -0.000368 107 80-120 Vanadium 0.208 0.0100 mg/L 0.200 0.000148 104 80-120 Zinc 0.214 0.0100 mg/L 0.200 0.00377 105 80-120 Batch IA28031 - EPA 3005A Blank (1A28031-BLK1) Prepared: 01/28/2021 13:17 Analyzed: 02/01/2021 10:31 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 (1A28031-BLK2) Prepared: 01/28/2021 13:17 Analyzed: 02/01/2021 10:34 Spike Source %REC Analvte Result Flaq POL Units Level Result %REC Limits Arsenic 7.60 U 10.0 ug/L Barium 1.10 U 10.0 ug/L Beryllium 0.160 U 1.00 ug/L RPD RPD Limit Notes FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full Page 63 of 73 (� �Eo www.encolabs.com QUALITY CONTROL DATA Metals (total recoverable) by EPA 6000/7000 Series Methods - Quality Control Batch 1A2BO31 - EPA 3005A - Continued Blank (1A28031-BLK2) Continued Prepared: 01/28/2021 13:17 Analyzed: 02/01/2021 10:34 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes 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 (1A28031-BS1) Prepared: 01/28/2021 13:17 Analyzed: 02/01/2021 10:42 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 217 10.0 ug/L 200 108 80-120 Beryllium 20.2 1.00 ug/L 20.0 101 80-120 Cadmium 20.6 1.00 ug/L 20.0 103 80-120 Chromium 208 10.0 ug/L 200 104 80-120 Cobalt 208 10.0 ug/L 200 104 80-120 Copper 207 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 208 10.0 ug/L 200 104 80-120 Silver 214 10.0 ug/L 200 107 80-120 Vanadium 206 10.0 ug/L 200 103 80-120 Zinc 220 10.0 ug/L 200 110 80-120 Matrix Spike (3A28031-MS3) Prepared: 01/28/2021 13:17 Analyzed: 02/01/2021 10:51 Source: CE01279-01 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Arsenic 189 10.0 ug/L 200 7.60 U 94 75-125 Barium 357 10.0 ug/L 200 136 110 75-125 Beryllium 20.4 1.00 ug/L 20.0 0.160 U 102 75-125 Cadmium 20.3 1.00 ug/L 20.0 0.360 U 102 75-125 Chromium 208 10.0 ug/L 200 1.40 U 104 75-125 Cobalt 219 10.0 ug/L 200 13.3 103 75-125 Copper 204 10.0 ug/L 200 1.61 101 75-125 Lead 206 10.0 ug/L 200 3.10 U 103 75-125 Nickel 219 10.0 ug/L 200 3.09 108 75-125 Selenium 201 10.0 ug/L 200 6.20 U 101 75-125 Silver 212 10.0 ug/L 200 1.90 U 106 75-125 Vanadium 207 10.0 ug/L 200 1.40 U 104 75-125 Zinc 227 10.0 ug/L 200 12.1 108 75-125 Matrix Spike Dup (1A28031-MSDS) Prepared: 01/28/2021 13:17 Analyzed: 02/01/2021 10:54 Source: CE01279-01 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 64 Of %3 (� �Eo www.encolabs.com QUALITY CONTROL DATA Metals (total recoverable) by EPA 6000/7000 Series Methods - Quality Control Batch 1A28031 - EPA 3005A - Continued Matrix Spike Dup (1A28031-MSDS) Continued Prepared: 01/28/2021 13:17 Analyzed: 02/01/2021 10:54 Source: CE01279-01 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Arsenic 197 10.0 ug/L 200 7.60 U 99 75-125 4 20 Barium 363 10.0 ug/L 200 136 114 75-125 2 20 Beryllium 20.6 1.00 ug/L 20.0 0.160 U 103 75-125 1 20 Cadmium 20.6 1.00 ug/L 20.0 0.360 U 103 75-125 2 20 Chromium 212 10.0 ug/L 200 1.40 U 106 75-125 2 20 Cobalt 225 10.0 ug/L 200 13.3 106 75-125 2 20 Copper 207 10.0 ug/L 200 1.61 103 75-125 1 20 Lead 211 10.0 ug/L 200 3.10 U 106 75-125 3 20 Nickel 224 10.0 ug/L 200 3.09 110 75-125 2 20 Selenium 208 10.0 ug/L 200 6.20 U 104 75-125 3 20 Silver 214 10.0 ug/L 200 1.90 U 107 75-125 1 20 Vanadium 210 10.0 ug/L 200 1.40 U 105 75-125 1 20 Zinc 233 10.0 ug/L 200 12.1 110 75-125 2 20 Post Spike (1A28031-PS3) Prepared: 01/28/2021 13:17 Analyzed: 02/01/2021 10:56 Source: CE01279-01 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Arsenic 0.203 0.0100 mg/L 0.200 -0.00493 101 80-120 Barium 0.363 0.0100 mg/L 0.200 0.136 114 80-120 Beryllium 0.0214 0.00100 mg/L 0.0200 -4.37E-5 107 80-120 Cadmium 0.0212 0.00100 mg/L 0.0200 1.84E-5 106 80-120 Chromium 0.215 0.0100 mg/L 0.200 -0.000181 108 80-120 Cobalt 0.227 0.0100 mg/L 0.200 0.0133 107 80-120 Copper 0.210 0.0100 mg/L 0.200 0.00161 104 80-120 Lead 0.212 0.0100 mg/L 0.200 0.000976 105 80-120 Nickel 0.226 0.0100 mg/L 0.200 0.00309 111 80-120 Selenium 0.212 0.0100 mg/L 0.200 -0.000484 106 80-120 Silver 0.219 0.0100 mg/L 0.200 -0.000226 109 80-120 Vanadium 0.213 0.0100 mg/L 0.200 0.000806 106 80-120 Zinc 0.235 0.0100 mg/L 0.200 0.0121 112 80-120 Batch IA28032 - EPA 3005A Blank (1A28032-BLK3) Prepared: 01/28/2021 13:27 Analyzed: 02/02/2021 11:31 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 (1A28032-BS1) Prepared: 01/28/2021 13:27 Analyzed: 02/02/2021 11:40 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Antimony 18.7 1.00 ug/L 20.0 93 80-120 Thallium 21.0 1.00 ug/L 20.0 105 80-120 Matrix Spike (1A28032-MS3) Prepared: 01/28/2021 13:27 Analyzed: 02/02/2021 11:44 Source: CE00222-05 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 65 Of 73 (� �Eo www.encolabs.com QUALITY CONTROL DATA Metals (total recoverable) by EPA 6000/7000 Series Methods - Quality Control Batch 1A2BO32 - EPA 3005A - Continued Matrix Spike (1A28032-MS3) Continued Prepared: 01/28/2021 13:27 Analyzed: 02/02/2021 11:44 Source: CE00222-05 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Antimony 40.0 2.00 ug/L 40.0 0.740 U 100 75-125 Thallium 42.1 2.00 ug/L 40.0 0.220 U 105 75-125 Matrix Spike Dup (3A28032-MSDI) Prepared: 01/28/2021 13:27 Analyzed: 02/02/2021 11:49 Source: CE00222-05 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Antimony 40.4 2.00 ug/L 40.0 0.740 U 101 75-125 0.9 20 Thallium 40.9 2.00 ug/L 40.0 0.220 U 102 75-125 3 20 Post Spike (1A28032-PS3) Prepared: 01/28/2021 13:27 Analyzed: 02/02/2021 11:53 Source: CE00222-05 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Antimony 19.8 1.00 ug/L 20.0 0.00637 99 75-125 Thallium 20.6 1.00 ug/L 20.0 0.00376 103 75-125 Batch IA30003 - EPA 3005A Blank (1A30003-BLK1) Prepared: 01/30/2021 15:46 Analyzed: 02/04/2021 11:15 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 (1A30003-BSI) Prepared: 01/30/2021 15:46 Analyzed: 02/04/2021 11:24 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 19.9 1.00 ug/L 20.0 99 80-120 Thallium 20.2 1.00 ug/L 20.0 101 80-120 Matrix Spike (1A30003-MS1) Prepared: 01/30/2021 15:46 Analyzed: 02/04/2021 11:28 Source: CE00223-01 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 Selenium 40.8 2.00 ug/L 40.0 1.82 U 102 75-125 Thallium 41.9 2.00 ug/L 40.0 0.220 U 105 75-125 Matrix Spike Dup (1A30003-MSDS) Prepared: 01/30/2021 15:46 Analyzed: 02/04/2021 11:32 Source: CE00223-01 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Antimony 41.1 2.00 ug/L 40.0 0.740 U 103 75-125 1 20 Selenium 41.4 2.00 ug/L 40.0 1.82 U 103 75-125 2 20 Thallium 42.5 2.00 ug/L 40.0 0.220 U 106 75-125 1 20 FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 66 Of 73 (� �Eo www.encolabs.com QUALITY CONTROL DATA Metals (total recoverable) by EPA 6000/7000 Series Methods - Quality Control Batch IA30003 - EPA 3005A - Continued Post Spike (SA30003-PS3) Prepared: 01/30/2021 15:46 Analyzed: 02/04/2021 11:36 Source: CE00223-01 Analvte Result Flaq Antimony 20.5 Selenium 20.4 Thallium 20.9 Spike Source %REC RPD POL Units Level Result %REC Limits RPD Limit Notes 1.00 ug/L 20.0 -0.165 102 75-125 1.00 ug/L 20.0-0.0494 102 75-125 1.00 ug/L 20.0 0.00223 104 75-125 Volatile Organic Compounds by GCMS SIM Isotope Dilution - Quality Control Batch IBO4022 - EPA 5030B MS Blank (1B04022-BLK3) Prepared: 02/04/2021 00:00 Analyzed: 02/04/2021 10:26 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-& 5.7 u91L 5.00 114 75-125 LCS (lB04022-BSI) Prepared: 02/04/2021 00:00 Analyzed: 02/04/2021 10:01 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 94 80-133 Toluene-& 5.3 u9/L 5.00 107 75-125 Matrix Spike (1B04022-MS1) Prepared: 02/04/2021 00:00 Analyzed: 02/04/2021 15:09 Source: CE00222-21 Spike Source %REC RPD Analvte Result Flaa Q Units Level Result %REC Limits RPD Limit Notes 1,4-Dioxane 28 2.0 ug/L 25.0 2.6 101 80-133 Toluene-& 5.9 u91L 5.00 118 75-125 Matrix Spike Dup (lB04022-MSDI) Prepared: 02/04/2021 00:00 Analyzed: 02/04/2021 15:09 Source: CE00222-21 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes 1,4-Dioxane 28 2.0 ug/L 25.0 2.6 101 80-133 0 19 Toluene-& 5.9 u9/L 5.00 118 75-125 FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 67 of 73 (� �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 68 of 73 N w Or o N Q m w M 7 � Q T J a LL z > u ^ O W0N a w z O U J z O Z a m O J 7 Z PZ -° o LLIoo`a ca ca z m CL d L f6 w U U _ ID 11 0)ca =a O N ff Cr N Y 1 1 W [n _ nr❑ m ❑ zm � C G U 9 11 ! 11/\ O � o U C N ro D N q m O 2 2 O1 E c S Z Z c v ON 3 N m � o U m m m 1 N 2 0 bQ Z c UZ'Ait'aS o X it x x x x X x x x x h U sa m a SZ@ xlCuaddd 0099 p o v i�`6�= PGPUG x3 00989'L xgpugddV aDQZ9 a d o� ❑" P 6 xipuaddv 009Z9 x x x x x x x x x x x x n �a N O W I v E E 19 f' 6 L m v Z � � u x IL n a m C% Q V �p m r' E E m m > m E a 3 m LM G E .. w y` ❑ _o C � C is N y N O z Z E i a 0 5 _a r✓� 6 i 5 S13 Q Q ir U r u w a` a I'S m 65 ate, y E v _ � � E Q N �s-A 7 m w z N m � C� m y c N Z c _ _.. x r V- N itOD D `VJ N 3 0 � Q m G oo ao cc co co14 �. u w E Page 69 of LE 73 cc E a YY 0 U LLl cc 0 Q U LL 0 Z Q U U) W cc 0 a 0 m J Z 0 a I W N Z 0 LU J Z W Z 0 cr 5 Z w 0 w a� C 4' 2 co ro CV E❑ JJ m D SL R 1 PE v Qi Ccco Y n r W Q% r O ( cn fV7 N m Ql � U cc Q O j c � � � c o U � t � rD d d Y p `m O E c � Z m 4 ,d O c � E � O � '4ii'4d'IN�IMJ'1"J'O'J`yC1'wB��9,lV x X X XI X X X X X x — r Z I C o N co ms OO"9p a w n- - - `o X X a U E E Fm Pqmsp3 aoww iXpAddV acm X O r 6 ❑ 4 m ` )gNeddv W W V x A x x x X x .0 v c N p v� 1° o S. � N M U' C7 0 V�] 0 •U " E O m� L m W S C U iE L"� t N N r N 3 w o m Q o �L- CL a ¢ 310 n m 1 z a uwi W c cv CcJ Z fj o 7 � CL ArOa t �d d U. O - $ n �� 2 2 N O O QQ Q �Q} 0 a ccgo OD » Ri go co 2 a @ m m _F 73 T E E Page 70 of Sample Preservation Verification ENCO Cary Work Order: CE00222 Project: Rowan County Active Landfills Client: Golder Associates, Inc. (00007) Project #: 20140083.101 Logged In 28-Jan-21 11:00 Logged By: Rachel Ann Yonish 1 Preservation Check Performed By. , _ Date/Time: �? l CE00222-01 Cont Type Pres (PH) Requirement PH Checked 1 In Control PH Adjusted Date/Time Adjusted Reagent Used/Comments A 250ml-P+HNO3 1 2 Y 1 N/ NA I Y N 1 NA CE00222-02 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 I N i NA CE00222-03 Cont TyPe Pres (PH) Requirement 1. PH Checked l ..In Control PH Adjusted DatelTime Adjusted Reagent Used/Comments A 250mLP+HNO3 <2 Y/ N 1 NA I Y /+ N NA CE00222-04 Cont Type Pres (PH) Requirement PH Checked / In Control PH Adjusted Date/Time Adjusted Reagent Used/Comments A 250mLP+HNO3 <2 Y/ N/ NA I Y (N> NA CE00222-05 Cont Type Pres (pH) Requirement PH Checked / In Control pH Adjusted DateMme Adjusted Reagent Used/Comments A 250mLP+HNO3 <2 'Y l N / NA Y N / NA B 250mLP+HNO3 <2 Y (i N/ NA Y I N 1 NA CE00222-06 Cont Type Pres (PH) Requirement PH Checked / I In Control PH Adjusted DatelTime Adjusted Reagent Used/Comments A 250mLP+HNO3 <2 Y11 N 1 NA Y /; N1Y NA CE00222-07 Cont ---TRequirem Type. Pres (PH) ent PH Checked 1 In Control PH Adjusted Date/Time Adjusted Adjusted Reagent Used/Comrnents A 250mLP+HNO3 c2 �Y.,i N / NA Y 0.N,l NA CE00222-08 Cont Type Pres (PH) Requirement pH Checked / In Control PH Adjusted Date/Time Adjusted Reagent Used/Comments A 250mLP+HNO3 1 2 Y/ N 1 NA Y /'l J NA CaelmntlPrintlwko_Preservation Check. rpt Page 71 of 73 Sample Preservation Verification ENCO Cary 9 CE-1 Da Work Order CE00222 Project: Rowan County Active Landfills Client: Golder Associates, Inc. (00007) Project #: 20140083.101 Logged In: 28-Jan-21 11:00 L_.' .4 Logged By: Rachel Ann Yonis Preservation Check Performed By: _Date/Time: 1 � �� 2� _ l � �✓�J CE00222-09 Cont Type Pres (pH) Requirement pH Checked/ In Control pH Adjusted Date/Time Adjusted Reagent Used/Comments A 250mLP+HNO3 <2 j Y/ N 1 NA Y ?V ;1 NA CE00222-10 Cont Type Pres (pH) Requirement pH Checked/1 In Control pH Adjusted Date/Time Adjusted Reagent Used/Comments A 250mLP+HNO3 <2 Y fr N I NA TY /, N )i NA CE00222-11 Cont Type Pres (pH) Requirement pH Checked) I In Control pH Adjusted Datef-Fime t Adjusted Reagent Used/Comments A 250mLP+HNO3 <2 Y / N / NA Y ! NA I CE00222-12 Cant Type Pres (pH) Requirement pH Checked / In Control pH Adjusted DatelTime Adjusted Reagent Used/Comments A 250mLP+HNO3 <2 Y N/ NA Y( N NA CE00222-13 Cant Type Pres (pH) Requirement pH Checked / _In Control pH Adjusted Date/Time Adjusted Reagent Used/Comments A 250mLP+HNO3 <2 i Y 11 N 1 NA Y/ N '/ NA CE00222-14 Cont Type Pres (pH) Requirement pH Checked 1 In Control pH Adjusted DatelTime Adjusted Reagent Used/Comments A 250mLP+HNO3 <2 Y Y N 1 NA I Y /N' NA C E00222-15 Cont Type Pres (pH) Requirement pH Checked / In Control pH Adjusted Date/Time Adjusted Reagent UsedlComments A 250mLP+HNO3 1 <2 Y N I NA Y N NA C E00222-16 Cont Type Pres (pH) Requirement pH Checked / In Control pH Adjusted Datemme Adjusted Reagent Used/Comments A 250mLP+HNO3 <2 Y,Y N/ NA Y V N.,/ NA CE00222-17 Cont Type Pres (pH) Requirement pH Checked / In Control pI-I Adjusted Date/Time Adjusted Reagent Used/Comments A 250mLP+HNO3 <2 Y 1 N 1 NA Y/ N¢ NA C:lelmntlPrintlwko_PreservationCheck. rpt Page 72 of 73 Sample Preservation Verification ENCO Cary ENCO Work Order: CE00222 Project: Rowan County Active Landfills Client: Golder Associates, Inc. (00007) Project #: 20140083.101 Logged In: 28-Jan-21 11:00 Logged By: Rachel An Yonj h Preservation Check Performed By: Date/Time. b J CE00222-18 Cont Type Pres (pH) Requirement pH Checked / In Control PH Adjusted DateMrne Adjusted Reagent UsedlComments A 25OmLP+HNO3 1 2 Y N/ NA I Y I N/ NA CE00222-19 Cont Type Pres (pH) pH Checked 1 pH Adjusted DateMme Reagent UsedlComments Requirement In Control Adjusted A 25OmLP+HNO3 <2 Y ! N / NA YIN NA CE00222-20 Cont Type Pres (pH) Requirement pH Checked / In Control pH Adjusted Date/Time Adjusted Reagent UsedlComments A 250mLP+HNO3 <2 Y A, N I NA TY/ 4N l NA CE00222-21 Cant T e yP Pres (pH) Requirement pH Checked / In Control Date/Time PH Adjusted Adjusted Reagent UsedlComments A 250mLP+HNO3 <2 Y ,II N I NA I Y/ N NA i CE00222-22 Cont T e Pres (pH) yp Requirement pH Checked l In Control Date/Time pH Adjusted Adjusted Reagent UsedlComments A 25OmLP+HNO3 <2 M N 1 NAVY t+ N NA CE00222-24 Cant Type Pres (pH) Requirement pH Checked 1 n Control pH Adjusted Date/Time Adjusted Reagent UsedlComments A 25OmLP+HNO3 [F] 12 Y) N 1 NA Y I ��t NA CE00222-25 Cont Type Pres (pH) Requirement I pH Checked / I In Control pH Adjusted DateiTime I Adjusted Reagent UsedlComments A 250mLp+HNO3 [F] 1 2 Y I N l NA YIN / NA Reaclent Name ID 1 2 pH Strip ID: PH Strips COF0555 Rea ent Name ID 3 4 Reaclent Name ID 5 6 C:lelmnt\PrintlwKp_tjreservationt-necK,rpt I Page 73 of 73 WORK ORDER Printed: 1/29/2021 8:43:52AM CE00222 ENCO Cary Sample Receipt Conditions Client: Golder Associates, Inc. (G0007) Lab Project Mgr: Amanda L. Gaines Project: Rowan County Active Landfills Project Number: 20140083.100 PO #: Report To: Invoice To: Golder Associates, Inc. (G0007) Golder Associates, Inc. (G0007) Darren Cox Accounts Payable 5B Oak Branch Drive 5B Oak Branch Drive Greensboro, NC 27407 Greensboro, NC 27407 Phone: (336) 852-4903 Phone :(804) 358-7900 Fax: (336) 852-4904 Fax:804-358-2900 Received By: Rachel Ann Yonish Date Received: 28-Jan-21 10:30 Logged In By: Rachel Ann Yonish Date Logged In: 28-Jan-21 11:00 Work Order Comments: C-102 received at 1.4°C Containers Intact Y Containers Properly Preserved Y Proper Containers Received Y All Samples in PreLog Received Y COC/Labels Agree Y Custody Seals Intact Y Volatile Containers Preserved Y Volatile Containers Headspace Free Y Aqueous Samples Checked for Residual Cl N Received On Ice Y Temperature Corrected Y Default Cooler Containers Intact N Containers Properly Preserved N Proper Containers Received N All Samples in PreLog Received N COC/Labels Agree N Custody Seals Intact N Volatile Containers Preserved N Volatile Containers Headspace Free N Aqueous Samples Checked for Residual Cl N Received On Ice N Temoeratme Corrected N Page 1 of 1 GOLDER ASSOCIATES NC, INC. G 0 L ■ D E R QUALITY ASSURANCE & QUALITY CONTROL LABORATORY DATA REVIEW Page 1 of 4 Project Name: Rowan County Active Landfill Project Reference Number. 20140083.100 Sampling Event Date: January 26-27, 2021 Review Date: February 15, 2021 Report #: CE00222 Initials: DC Review. RPK 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. 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 Method (see below for reference). GOLDER ASSOCIATES NC, INC. QUALITY ASSURANCE & QUALITY CONTROL LABORATORY DATA REVIEW Page 2 of 4 ,,> 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 analysis 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 8260D LCS exhibited a high bias for 2-Butanone and Acetone; however, these analytes were not detected in the associated samples. The Continuing Calibration Verification (CCV) exhibited a high bias for 2-Butanone, 4-Methyl-2-pentanone, Acetone, Bromochloromethane, Carbon tetrachloride, cis-1,3-Dichloropropene, trans-1,4-Dichloro-2-butene, and Vinyl acetate; however, these analytes were not detected in the associated samples. The spike recovery for Vinyl chloride was outside 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 EPA SM 2540C-1997 analytical methods were used for analysis. GOLDER ASSOCIATES NC, INC. G 0■ L D E R QUALITY ASSURANCE & QUALITY CONTROL LABORATORY DATA REVIEW Page 3 of 4 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. 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 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 @ 1.59 ug/L (J) • MW-20 @ 4.38 ug/L (J) • MW-28R @ 4.11 ug/L (J) ➢ Vanadium (NC 2L IMAC = 0.3 ug/L, alt GPS = 5.32 ug/L) • MW-9 @ 2.52 ug/L (J) • MWA 3 @ 2.92 ug/L (J) • MW-25 @ 7.93 ug/L (J) • MW-23A @ 6.24 ug/L (J) • French Drain @ 9.25 ug/L (J) ➢ Copper (SW Standard based on Hardness) (Chronic= 2.7 ug/L, acute = 4.59 ug/L) • SW-4 @ 3.19 ug/L (J) 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). GOLDER ASSOCIATES NC, INC. QUALITY ASSURANCE & QUALITY CONTROL LABORATORY DATA REVIEW Page 4 of 4 ➢ VOCs detected at SW-3 below standards if applicable DC Other report issues/Communications with laboratory/etc.: ,,> GOLDER ENCO Laboratones Accurate. Timely. Responsive. Innovative. 102-A Woodwinds Industrial Court Cary NC, 27511 Phone: 919.467.3090 FAX: 919.467.3515 Thursday, February 11, 2021 Golder Associates, Inc. (G0007) Attn: Darren Cox 5B Oak Branch Drive Greensboro, NC 27407 RE: Laboratory Results for Project Number: 20140083.100, Project Name/Desc: Rowan County Active Landfills - Ind. Parameters ENCO Workorder(s): CE00223 Dear Darren Cox, Enclosed is a copy of your laboratory report for test samples received by our laboratory on Thursday, January 28, 2021. 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 26 (� �Eo www.encolabs.com PROJECT NARRATIVE Date: February 11, 2021 Client: Golder Associates, Inc. (G0007) Project: Rowan County Active Landfills - Ind. Parameters Lab ID: CE00223 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 8260D Continuing Calibration Verification (CCV) exhibited a high bias for Bromochloromethane, trans- 1,4-Dichloro-2-butene, and Vinyl acetate; however, these analytes were not detected in the associated samples. The spike recovery for Iron was outside control limits for the MSD sample. The QC batch was approved based on acceptable LCS recovery of this element. The spike recoveries for Alkalinity and Sulfate were outside 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 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 26 (� �Eo www.encolabs.com SAMPLE SUMMARY/LABORATORY CHRONICLE Client ID: 8003-MW37 Lab ID: CE00223-01 Sampled: 01/26/21 10:49 Received: 01/28/21 10:30 Parameter Preparation Hold Date/Time(s) Prep Date/Time(s) Analysis Date/Time(s) EPA 300.0 NO PREP 02/23/21 02/03/21 11:27 02/03/21 13:56 EPA 310.2 NO PREP 02/09/21 02/04/21 13:37 02/04/21 15:19 EPA 6010D EPA 3005A 07/25/21 01/28/21 13:17 02/01/21 11:27 EPA 6020B EPA 3005A 07/25/21 01/30/21 15:46 02/04/21 11:19 EPA 7470A EPA 7470A 02/23/21 02/01/21 11:15 02/02/21 12:31 EPA 8260D EPA 5030B_MS 02/09/21 01/29/21 16:27 01/30/21 02:59 EPA 8260D EPA 5030B_MIS 02/09/21 02/02/21 10:39 02/02/21 17:40 EPA 8260D EPA 503013_MS 02/09/21 02/03/21 12:37 02/03/21 19:54 SM 2540C-2011 NO PREP 02/02/21 02/02/21 10:40 02/02/21 15:08 Client ID: 8003-MW18R Lab ID: CE00223-02 Sampled: 01/27/21 12:30 Received: 01/28/21 10:30 Parameter Preparation Hold Date/Time(s) Prep Date/Time(s) Analysis Date/Time(s) EPA 300.0 NO PREP 02/24/21 02/03/21 11:27 02/03/21 14:49 EPA 310.2 NO PREP 02/10/21 02/04/21 13:37 02/04/21 15:21 EPA 6010D EPA 3005A 07/26/21 01/28/21 13:17 02/01/21 11:29 EPA 6020E EPA 3005A 07/26/21 01/30/21 15:46 02/04/21 12:12 EPA 7470A EPA 7470A 02/24/21 02/01/21 11:15 02/02/21 12:50 EPA 8260D EPA 503013_MS 02/10/21 02/01/21 08:12 02/01/21 19:35 EPA 8260D EPA 503013_MS 02/10/21 02/02/21 10:39 02/02/21 18:06 EPA 8260D EPA 503013_MS 02/10/21 02/03/21 12:37 02/03/21 20:21 SM 254OC-2011 NO PREP 02/03/21 02/02/21 10:40 02/02/21 15:08 Client ID: 8003-MW19 Lab ID: CE00223-03 Sampled: 01/27/21 10:50 Received: 01/28/21 10:30 Parameter Preparation Hold Date/Time(s) Prep Date/Time(s) Analysis Date/Time(s) EPA 300.0 NO PREP 02/24/21 02/03/21 11:27 02/03/21 15:07 EPA 310.2 NO PREP 02/10/21 02/04/21 13:37 02/04/21 15:22 EPA 6010D EPA 3005A 07/26/21 01/28/21 13:17 02/01/21 11:32 EPA 6020E EPA 3005A 07/26/21 01/30/21 15:46 02/04/21 12:16 EPA 7470A EPA 7470A 02/24/21 02/01/21 11:15 02/02/21 12:52 EPA 8260D EPA 5030B_MS 02/10/21 02/01/21 08:12 02/01/21 20:05 EPA 8260D EPA 503013_MS 02/10/21 02/02/21 10:39 02/02/21 18:31 EPA 8260D EPA 503013_MS 02/10/21 02/03/21 12:37 02/03/21 20:48 SM 254OC-2011 NO PREP 02/03/21 02/02/21 10:40 02/02/21 15:08 FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 3 Of 26 (� �Eo www.encolabs.com SAMPLE DETECTION SUMMARY Client ID: 8003-MW37 Lab ID: CE00223-01 Analvte Results Flag MDL PQL Units Method Notes Barium - Total 22.3 1.10 10.0 ug/L EPA 6010D Chloride 3900 J 2200 5000 ug/L EPA 300.0 Copper - Total 2.55 J 1.60 10.0 ug/L EPA 6010D Iron - Total 39.4 J 22.0 50.0 ug/L EPA 6010D Manganese - Total 17.9 1.50 10.0 ug/L EPA 6010D Total Alkalinity as CaCO3 15000 14000 15000 ug/L EPA 310.2 Total Dissolved Solids 70000 50000 50000 ug/L SM 2540C-2011 Zinc - Total 5.33 J 4.40 10.0 ug/L EPA 6010D Client ID: 8003-MW38R Lab ID: CE00223-02 Analvte Results Flag MDL PQL Units Method Notes 1,4-Dioxane 14 0.80 2.0 ug/L EPA 8260D Barium - Total 113 1.10 10.0 ug/L EPA 6010D Benzene 0.79 J 0.15 1.0 ug/L EPA 8260D Chloride 52000 D 8700 20000 ug/L EPA 300.0 Chromium - Total 2.06 J 1.40 10.0 ug/L EPA 6010D Cobalt - Total 3.36 J 1.40 10.0 ug/L EPA 6010D Iron - Total 2170 22.0 50.0 ug/L EPA 6010D Manganese - Total 1240 1.50 10.0 ug/L EPA 6010D Sulfate as SO4 160000 D 12000 20000 ug/L EPA 300.0 Thallium - Total 0.493 J 0.220 2.00 ug/L EPA 6020E Total Alkalinity as CaCO3 170000 14000 15000 ug/L EPA 310.2 Total Dissolved Solids 550000 50000 50000 uq/L SM 2540C-2011 Client ID: 8003-MW39 Lab ID: CE00223-03 Analvte Results Flag MDL PQL Units Method Notes 1,4-Dioxane 38 0.80 2.0 ug/L EPA 8260D Barium - Total 156 1.10 10.0 ug/L EPA 6010D Benzene 7.4 0.15 1.0 ug/L EPA 8260D Chloride 50000 2200 5000 ug/L EPA 300.0 Cobalt - Total 25.9 1.40 10.0 ug/L EPA 6010D Iron - Total 32500 22.0 50.0 ug/L EPA 6010D Manganese - Total 3380 1.50 10.0 ug/L EPA 6010D Sulfate as SO4 7400 2900 5000 ug/L EPA 300.0 Total Alkalinity as CaCO3 100000 14000 15000 ug/L EPA 310.2 Total Dissolved Solids 240000 50000 50000 ug/L SM 2540C-2011 FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 4 Of 26 0Nk"q09 www.encolabs.com ANALYTICAL RESULTS Description: 8003-MW17 Lab Sample ID:CE00223-01 Received: 01/28/21 10:30 Matrix: Ground Water Sampled:01/26/21 10:49 Work Order: CE00223 Project: Rowan County Active Landfills - Ind. Sampled By: Darren Cox 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]^ 0.17 U ug/L 1 0.17 1.0 1A29017 EPA 8260D 01/30/21 02:59 RKY 1,1,1-Trichloroethane [71-55-6]^ 0.12 U ug/L 1 0.12 1.0 1A29017 EPA 8260D 01/30/21 02:59 RKY 1,1,2,2-Tetrachloroethane [79-34-5]^ 0.28 U ug/L 1 0.28 1.0 1A29017 EPA 8260D 01/30/21 02:59 RKY 1,1,2-Trichloroethane [79-00-5]^ 0.14 U ug/L 1 0.14 1.0 1A29017 EPA 8260D 01/30/21 02:59 RKY 1,1-Dichloroethane [75-34-3]^ 0.13 U ug/L 1 0.13 1.0 1A29017 EPA 8260D 01/30/21 02:59 RKY 1,1-Dichloroethene [75-35-4]^ 0.21 U ug/L 1 0.21 1.0 1A29017 EPA 8260D 01/30/21 02:59 RKY 1,2,3-Trichloropropane [96-18-4]^ 0.23 U ug/L 1 0.23 1.0 1A29017 EPA 8260D 01/30/21 02:59 RKY 1,2-Dibromo-3-chloropropane [96-12-8]^ 0.48 U ug/L 1 0.48 1.0 1A29017 EPA 8260D 01/30/21 02:59 RKY 1,2-Dibromoethane [106-93-4]^ 0.66 U ug/L 1 0.66 1.0 1A29017 EPA 8260D 01/30/21 02:59 RKY 1,2-Dichlorobenzene [95-50-1]^ 0.19 U ug/L 1 0.19 1.0 1A29017 EPA 8260D 01/30/21 02:59 RKY 1,2-Dichloroethane [107-06-2]^ 0.21 U ug/L 1 0.21 1.0 1A29017 EPA 8260D 01/30/21 02:59 RKY 1,2-Dichloropropane [78-87-5]^ 0.10 U ug/L 1 0.10 1.0 1A29017 EPA 8260D 01/30/21 02:59 RKY 1,4-Dichlorobenzene [106-46-7]^ 0.19 U ug/L 1 0.19 1.0 1A29017 EPA 8260D 01/30/21 02:59 RKY 2-Butanone [78-93-3]^ 1.3 U ug/L 1 1.3 5.0 1A29017 EPA 8260D 01/30/21 02:59 RKY 2-Hexanone [591-78-6]^ 0.88 U ug/L 1 0.88 5.0 1A29017 EPA 8260D 01/30/21 02:59 RKY 4-Methyl-2-pentanone [108-10-1]^ 1.1 u ug/L 1 1.1 5.0 1A29017 EPA 8260D 01/30/21 02:59 RKY Acetone [67-64-1]^ 10 u ug/L 1 10 20 1A29017 EPA 8260D 01/30/21 02:59 RKY Acrylonitrile [107-13-1]^ 3.5 u ug/L 1 3.5 10 1A29017 EPA 8260D 01/30/21 02:59 RKY Benzene[71-43-2]^ 0.15 u ug/L 1 0.15 1.0 1A29017 EPA 8260D 01/30/21 02:59 RKY Bromochloromethane [74-97-5]^ 0.48 u ug/L 1 0.48 1.0 1A29017 EPA 8260D 01/30/21 02:59 RKY Bromodichloromethane [75-27-4]^ 0.17 u ug/L 1 0.17 1.0 1A29017 EPA 8260D 01/30/21 02:59 RKY Bromoform [75-25-2]^ 0.22 u ug/L 1 0.22 1.0 1A29017 EPA 8260D 01/30/21 02:59 RKY Bromomethane [74-83-9]^ 0.14 u ug/L 1 0.14 1.0 1A29017 EPA 8260D 01/30/21 02:59 RKY Carbon disulfide [75-15-0]^ 1.5 u ug/L 1 1.5 5.0 1A29017 EPA 8260D 01/30/21 02:59 RKY Carbon tetrachloride [56-23-5]^ 0.17 u ug/L 1 0.17 1.0 1A29017 EPA 8260D 01/30/21 02:59 RKY Chlorobenzene[108-90-7]^ 0.17 u ug/L 1 0.17 1.0 1A29017 EPA 8260D 01/30/21 02:59 RKY Chloroethane [75-00-3]^ 0.23 u ug/L 1 0.23 1.0 1A29017 EPA 8260D 01/30/21 02:59 RKY Chloroform [67-66-3]^ 0.18 u ug/L 1 0.18 1.0 1A29017 EPA 8260D 01/30/21 02:59 RKY Chloromethane [74-87-3]^ 0.13 u ug/L 1 0.13 1.0 1A29017 EPA 8260D 01/30/21 02:59 RKY cis-1,2-Dichloroethene [156-59-2]^ 0.15 u ug/L 1 0.15 1.0 1A29017 EPA 8260D 01/30/21 02:59 RKY cis-1,3-Dichloropropene [10061-01-5]^ 0.20 u ug/L 1 0.20 1.0 1A29017 EPA 8260D 01/30/21 02:59 RKY Dibromochloromethane [124-48-1]^ 0.17 u ug/L 1 0.17 1.0 1A29017 EPA 8260D 01/30/21 02:59 RKY Dibromomethane [74-95-3]^ 0.27 u ug/L 1 0.27 1.0 1A29017 EPA 8260D 01/30/21 02:59 RKY Ethylbenzene[100-41-4]^ 0.13 u ug/L 1 0.13 1.0 1A29017 EPA 8260D 01/30/21 02:59 RKY Iodomethane [74-88-4]^ 1.7 u ug/L 1 1.7 5.0 1A29017 EPA 8260D 01/30/21 02:59 RKY Methylene chloride [75-09-2]^ 0.23 u ug/L 1 0.23 1.0 1A29017 EPA 8260D 01/30/21 02:59 RKY Styrene[100-42-5]^ 0.11 u ug/L 1 0.11 1.0 1A29017 EPA 8260D 01/30/21 02:59 RKY Tetrachloroethene [127-18-4]^ 0.17 u ug/L 1 0.17 1.0 1A29017 EPA 8260D 01/30/21 02:59 RKY Tetrahydrofuran [109-99-9]^ 0.53 u ug/L 1 0.53 1.0 1B03031 EPA 8260D 02/03/21 19:54 RKY Toluene [108-88-3]^ 0.14 u ug/L 1 0.14 1.0 1A29017 EPA 8260D 01/30/21 02:59 RKY trans-1,2-Dichloroethene [156-60-5]^ 0.21 u ug/L 1 0.21 1.0 1A29017 EPA 8260D 01/30/21 02:59 RKY trans-1,3-Dichloropropene [10061-02-6]^ 0.15 u ug/L 1 0.15 1.0 1A29017 EPA 8260D 01/30/21 02:59 RKY trans-1,4-Dichloro-2-butene [110-57-6]^ 0.70 u ug/L 1 0.70 1.0 1A29017 EPA 8260D 01/30/21 02:59 RKY Trichloroethene [79-01-6]^ 0.15 u ug/L 1 0.15 1.0 1A29017 EPA 8260D 01/30/21 02:59 RKY Trichlorofluoromethane [75-69-4]^ 0.24 u ug/L 1 0.24 1.0 1A29017 EPA 8260D 01/30/21 02:59 RKY Vinyl acetate [108-05-4]^ 0.95 U ug/L 1 0.95 5.0 1A29017 EPA 8260D 01/30/21 02:59 RKY FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 5 of 26 (� �Eo www.encolabs.com ANALYTICAL RESULTS Description: 8003-MW17 Lab Sample ID:CE00223-01 Received: 01/28/21 10:30 Matrix: Ground Water Sampled:01/26/21 10:49 Work Order: CE00223 Project: Rowan County Active Landfills - Ind. Sampled By: Darren Cox 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 1A29017 EPA 8260D 01/30/21 02:59 RKY Xylenes (Total) [1330-20-7]^ 0.45 U ug/L 1 0.45 3.0 1A29017 EPA 8260D 01/30/21 02:59 RKY Surrogates Results DF Soike Lv/ % Rec % Rec Limits Batch Method Ana/vzed ffy Notes 4-Bromofluorobenzene 47 1 50.0 94 % 53-136 1A29017 EPA 8260D 01130121 02:59 RKY Dibromofluoromethane 49 1 50.0 97 % 67-129 IA29017 EPA 8260D 01130121 02:59 RKY Toluene-d8 61 1 50.0 121 % 59-134 IA29017 EPA 8260D 01130121 02:59 RKY Metals by EPA 6000/7000 Series Methods ^ - ENCO Cary certified analyte [NC 5911 Analyte rCAS Numberl Results Flag Units DF MDL POLL Batch Method Analyzed Ay Notes Mercury [7439-97-6]^ 0.150 U ug/L 1 0.150 0.200 1BO1013 EPA 7470A 02/02/21 12:31 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 Ay Notes Antimony [7440-36-0]^ 0.740 U ug/L 2 0.740 2.00 1A30003 EPA 6020B 02/04/21 11:19 RLF Arsenic [7440-38-2]^ 7.60 U ug/L 1 7.60 10.0 1A28031 EPA 6010D 02/01/21 11:27 JDH Barium [7440-39-3]^ 22.3 ug/L 1 1.10 10.0 1A28031 EPA 6010D 02/01/21 11:27 JDH Beryllium [7440-41-7]^ 0.160 U ug/L 1 0.160 1.00 1A28031 EPA 6010D 02/01/21 11:27 JDH Cadmium [7440-43-9]^ 0.360 U ug/L 1 0.360 1.00 1A28031 EPA 6010D 02/01/21 11:27 JDH Chromium [7440-47-3]^ 1.40 U ug/L 1 1.40 10.0 1A28031 EPA 6010D 02/01/21 11:27 JDH Cobalt [7440-48-4]^ 1.40 U ug/L 1 1.40 10.0 1A28031 EPA 6010D 02/01/21 11:27 JDH Copper[7440-50-8]^ 2.55 J ug/L 1 1.60 10.0 1A28031 EPA 6010D 02/01/21 11:27 JDH Iron [7439-89-6]^ 39.4 J ug/L 1 22.0 50.0 1A28031 EPA 6010D 02/01/21 11:27 JDH Lead [7439-92-1]^ 3.10 U ug/L 1 3.10 10.0 1A28031 EPA 6010D 02/01/21 11:27 JDH Manganese [7439-96-5]^ 17.9 ug/L 1 1.50 10.0 1A28031 EPA 6010D 02/01/21 11:27 JDH Nickel[7440-02-0]^ 2.20 U ug/L 1 2.20 10.0 1A28031 EPA 6010D 02/01/21 11:27 JDH Selenium [7782-49-2]^ 6.20 U ug/L 1 6.20 10.0 1A28031 EPA 6010D 02/01/21 11:27 JDH Silver [7440-22-4]^ 1.90 U ug/L 1 1.90 10.0 1A28031 EPA 6010D 02/01/21 11:27 JDH Thallium [7440-28-0]^ 0.220 U ug/L 2 0.220 2.00 1A30003 EPA 6020B 02/04/21 11:19 RLF Vanadium [7440-62-2]^ 1.40 U ug/L 1 1.40 10.0 1A28031 EPA 6010D 02/01/21 11:27 JDH Zinc[7440-66-6]^ 5.33 J ug/L 1 4.40 10.0 1A28031 EPA 6010D 02/01/21 11:27 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]^ 3900 J ug/L 1 2200 5000 1B03023 EPA 300.0 02/03/21 13:56 LJI Sulfate as SO4 [14808-79-8]^ 2900 U ug/L 1 2900 5000 1B03023 EPA 300.0 02/03/21 13:56 LJI Total Alkalinity as CaCO3 [471-34-1]^ 15000 ug/L 1 14000 15000 1B04029 EPA 310.2 02/04/21 15:19 JAH Total Dissolved Solids^ 70000 ug/L 1 50000 50000 1B02021 SM 2540C-2011 02/02/21 15:08 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 26 (� �Eo www.encolabs.com ANALYTICAL RESULTS Description: 8003-MW17 Lab Sample ID:CE00223-01 Received: 01/28/21 10:30 Matrix: Ground Water Sampled:01/26/21 10:49 Work Order: CE00223 Project: Rowan County Active Landfills - Ind. Sampled By: Darren Cox 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 1B02019 EPA 8260D 02/02/21 17:40 KKW Surrogates Results DF Spike Lv/ % Rec % Rec Limits Batch Method Ana/vzed ffy Notes Toluene-& 5.9 1 5.00 118 % 75-125 IB02019 EPA 8260D 02102121 17:40 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 26 (� �Eo www.encolabs.com ANALYTICAL RESULTS Description: 8003-MW18R Lab Sample ID:CE00223-02 Received: 01/28/21 10:30 Matrix: Ground Water Sampled:01/27/21 12:30 Work Order: CE00223 Project: Rowan County Active Landfills - Ind. Sampled By: Darren Cox 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 1B01003 EPA 8260D 02/01/21 19:35 RKY 1,1,1-Trichloroethane [71-55-6]^ 0.12 U ug/L 1 0.12 1.0 1B01003 EPA 8260D 02/01/21 19:35 RKY 1,1,2,2-Tetrachloroethane [79-34-5]^ 0.28 U ug/L 1 0.28 1.0 1B01003 EPA 8260D 02/01/21 19:35 RKY 1,1,2-Trichloroethane [79-00-5]^ 0.14 U ug/L 1 0.14 1.0 1B01003 EPA 8260D 02/01/21 19:35 RKY 1,1-Dichloroethane [75-34-3]^ 0.13 U ug/L 1 0.13 1.0 1B01003 EPA 8260D 02/01/21 19:35 RKY 1,1-Dichloroethene [75-35-4]^ 0.21 U ug/L 1 0.21 1.0 1B01003 EPA 8260D 02/01/21 19:35 RKY 1,2,3-Trichloropropane [96-18-4]^ 0.23 U ug/L 1 0.23 1.0 1B01003 EPA 8260D 02/01/21 19:35 RKY 1,2-Dibromo-3-chloropropane [96-12-8]^ 0.48 U ug/L 1 0.48 1.0 1B01003 EPA 8260D 02/01/21 19:35 RKY 1,2-Dibromoethane [106-93-4]^ 0.66 U ug/L 1 0.66 1.0 1B01003 EPA 8260D 02/01/21 19:35 RKY 1,2-Dichlorobenzene [95-50-1]^ 0.19 U ug/L 1 0.19 1.0 1B01003 EPA 8260D 02/01/21 19:35 RKY 1,2-Dichloroethane [107-06-2]^ 0.21 U ug/L 1 0.21 1.0 1B01003 EPA 8260D 02/01/21 19:35 RKY 1,2-Dichloropropane [78-87-5]^ 0.10 U ug/L 1 0.10 1.0 1B01003 EPA 8260D 02/01/21 19:35 RKY 1,4-Dichlorobenzene [106-46-7]^ 0.19 U ug/L 1 0.19 1.0 1B01003 EPA 8260D 02/01/21 19:35 RKY 2-Butanone [78-93-3]^ 1.3 U ug/L 1 1.3 5.0 1B01003 EPA 8260D 02/01/21 19:35 RKY 2-Hexanone [591-78-6]^ 0.88 U ug/L 1 0.88 5.0 1B01003 EPA 8260D 02/01/21 19:35 RKY 4-Methyl-2-pentanone [108-10-1]^ 1.1 U ug/L 1 1.1 5.0 1B01003 EPA 8260D 02/01/21 19:35 RKY Acetone [67-64-1]^ 10 U ug/L 1 10 20 1B01003 EPA 8260D 02/01/21 19:35 RKY Acrylonitrile [107-13-1]^ 3.5 U ug/L 1 3.5 10 1B01003 EPA 8260D 02/01/21 19:35 RKY Benzene [71-43-2]^ 0.79 J ug/L 1 0.15 1.0 1BO1003 EPA 8260D 02/01/21 19:35 RKY Bromochloromethane [74-97-5]^ 0.48 U ug/L 1 0.48 1.0 1B01003 EPA 8260D 02/01/21 19:35 RKY QV-01 Bromodichloromethane [75-27-4]^ 0.17 U ug/L 1 0.17 1.0 1B01003 EPA 8260D 02/01/21 19:35 RKY Bromoform [75-25-2]^ 0.22 U ug/L 1 0.22 1.0 1B01003 EPA 8260D 02/01/21 19:35 RKY Bromomethane [74-83-9]^ 0.14 U ug/L 1 0.14 1.0 1B01003 EPA 8260D 02/01/21 19:35 RKY Carbon disulfide [75-15-0]^ 1.5 U ug/L 1 1.5 5.0 1B01003 EPA 8260D 02/01/21 19:35 RKY Carbon tetrachloride [56-23-5]^ 0.17 U ug/L 1 0.17 1.0 1B01003 EPA 8260D 02/01/21 19:35 RKY Chlorobenzene [108-90-7]^ 0.17 U ug/L 1 0.17 1.0 1B01003 EPA 8260D 02/01/21 19:35 RKY Chloroethane [75-00-3]^ 0.23 U ug/L 1 0.23 1.0 1B01003 EPA 8260D 02/01/21 19:35 RKY Chloroform [67-66-3]^ 0.18 U ug/L 1 0.18 1.0 1B01003 EPA 8260D 02/01/21 19:35 RKY Chloromethane [74-87-3]^ 0.13 U ug/L 1 0.13 1.0 1B01003 EPA 8260D 02/01/21 19:35 RKY cis- 1,2-Dichloroethene [156-59-2]^ 0.15 U ug/L 1 0.15 1.0 1B01003 EPA 8260D 02/01/21 19:35 RKY cis- 1,3-Dichloropropene [10061-01-5]^ 0.20 U ug/L 1 0.20 1.0 1B01003 EPA 8260D 02/01/21 19:35 RKY Dibromochloromethane [124-48-1]^ 0.17 U ug/L 1 0.17 1.0 1B01003 EPA 8260D 02/01/21 19:35 RKY Dibromomethane [74-95-3]^ 0.27 U ug/L 1 0.27 1.0 1B01003 EPA 8260D 02/01/21 19:35 RKY Ethylbenzene [100-41-4]^ 0.13 U ug/L 1 0.13 1.0 1B01003 EPA 8260D 02/01/21 19:35 RKY Iodomethane [74-88-4]^ 1.7 U ug/L 1 1.7 5.0 1B01003 EPA 8260D 02/01/21 19:35 RKY Methylene chloride [75-09-2]^ 0.23 U ug/L 1 0.23 1.0 1B01003 EPA 8260D 02/01/21 19:35 RKY Styrene [100-42-5]^ 0.11 U ug/L 1 0.11 1.0 1B01003 EPA 8260D 02/01/21 19:35 RKY Tetrachloroethene [127-18-4]^ 0.17 U ug/L 1 0.17 1.0 1B01003 EPA 8260D 02/01/21 19:35 RKY Tetrahydrofuran [109-99-9]^ 0.53 U ug/L 1 0.53 1.0 1B03031 EPA 8260D 02/03/21 20:21 RKY Toluene [108-88-3]^ 0.14 U ug/L 1 0.14 1.0 1B01003 EPA 8260D 02/01/21 19:35 RKY trans-1,2-Dichloroethene [156-60-5]^ 0.21 U ug/L 1 0.21 1.0 1B01003 EPA 8260D 02/01/21 19:35 RKY trans-1,3-Dichloropropene [10061-02-6]^ 0.15 U ug/L 1 0.15 1.0 1B01003 EPA 8260D 02/01/21 19:35 RKY trans-1,4-Dichloro-2-butene [110-57-6]^ 0.70 U ug/L 1 0.70 1.0 1B01003 EPA 8260D 02/01/21 19:35 RKY QV-01 Trichloroethene [79-01-6]^ 0.15 U ug/L 1 0.15 1.0 1B01003 EPA 8260D 02/01/21 19:35 RKY Trichlorofluoromethane [75-69-4]^ 0.24 U ug/L 1 0.24 1.0 1B01003 EPA 8260D 02/01/21 19:35 RKY Vinyl acetate [108-05-4]^ 0.95 U ug/L 1 0.95 5.0 1B01003 EPA 8260D 02/01/21 19:35 RKY QV-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 26 (� �Eo www.encolabs.com ANALYTICAL RESULTS Description: 8003-MW18R Lab Sample ID:CE00223-02 Received: 01/28/21 10:30 Matrix: Ground Water Sampled:01/27/21 12:30 Work Order: CE00223 Project: Rowan County Active Landfills - Ind. Sampled By: Darren Cox 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 1B01003 EPA 8260D 02/01/21 19:35 RKY Xylenes(Total)[1330-20-7]^ 0.45 U ug/L 1 0.45 3.0 1B01003 EPA 8260D 02/01/21 19:35 RKY Surrogates Results DF Soike Lv/ % Rec % Rec Limits Batch Method Ana/vzed ffy Notes 4-Bromofluorobenzene 47 1 50.0 94 % 53-136 1B01003 EPA 8260D 02101121 1925 RKY Dlbromofluoromethane 49 1 50.0 98 % 67-129 IB01003 EPA 8260D 02101121 1925 RKY Toluene-d8 61 1 50.0 122 % 59-134 IB01003 EPA 8260D 02101121 1925 RKY Metals by EPA 6000/7000 Series Methods ^ - ENCO Cary certified analyte [NC 5911 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 1BO1013 EPA 7470A 02/02/21 12:50 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 1A30003 EPA 6020B 02/04/21 12:12 RLF Arsenic [7440-38-2]^ 7.60 U ug/L 1 7.60 10.0 1A28031 EPA 6010D 02/01/21 11:29 JDH Barium [7440-39-3]^ 113 ug/L 1 1.10 10.0 1A28031 EPA 6010D 02/01/21 11:29 JDH Beryllium [7440-41-7]^ 0.160 U ug/L 1 0.160 1.00 1A28031 EPA 6010D 02/01/21 11:29 JDH Cadmium [7440-43-9]^ 0.360 U ug/L 1 0.360 1.00 1A28031 EPA 6010D 02/01/21 11:29 JDH Chromium [7440-47-3]^ 2.06 J ug/L 1 1.40 10.0 1A28031 EPA 6010D 02/01/21 11:29 JDH Cobalt[7440-48-4]^ 3.36 J ug/L 1 1.40 10.0 1A28031 EPA 6010D 02/01/21 11:29 JDH Copper[7440-50-8]^ 1.60 U ug/L 1 1.60 10.0 1A28031 EPA 6010D 02/01/21 11:29 JDH Iron [7439-89-6]^ 2170 ug/L 1 22.0 50.0 1A28031 EPA 6010D 02/01/21 11:29 JDH Lead [7439-92-1]^ 3.10 U ug/L 1 3.10 10.0 1A28031 EPA 6010D 02/01/21 11:29 JDH Manganese [7439-96-5]^ 1240 ug/L 1 1.50 10.0 1A28031 EPA 6010D 02/01/21 11:29 JDH Nickel[7440-02-0]^ 2.20 U ug/L 1 2.20 10.0 1A28031 EPA 6010D 02/01/21 11:29 JDH Selenium [7782-49-2]^ 6.20 U ug/L 1 6.20 10.0 1A28031 EPA 6010D 02/01/21 11:29 JDH Silver [7440-22-4]^ 1.90 U ug/L 1 1.90 10.0 1A28031 EPA 6010D 02/01/21 11:29 JDH Thallium [7440-28-0]^ 0.493 J ug/L 2 0.220 2.00 1A30003 EPA 6020B 02/04/21 12:12 RLF Vanadium [7440-62-2]^ 1.40 U ug/L 1 1.40 10.0 1A28031 EPA 6010D 02/01/21 11:29 JDH Zinc [7440-66-6]^ 4.40 U ug/L 1 4.40 10.0 1A28031 EPA 6010D 02/01/21 11:29 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]^ 52000 D ug/L 4 8700 20000 1B03023 EPA 300.0 02/03/21 14:49 LJI Sulfate as SO4 [14808-79-8]^ 160000 D ug/L 4 12000 20000 1B03023 EPA 300.0 02/03/21 14:49 LJI Total Alkalinity as CaCO3 [471-34-1]^ 170000 ug/L 1 14000 15000 1B04029 EPA 310.2 02/04/21 15:21 JAH Total Dissolved Solids^ 550000 ug/L 1 50000 50000 1B02021 SM 2540C-2011 02/02/21 15:08 LJI FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 9 Of 26 (� �Eo www.encolabs.com ANALYTICAL RESULTS Description: 8003-MW18R Lab Sample ID:CE00223-02 Received: 01/28/21 10:30 Matrix: Ground Water Sampled:01/27/21 12:30 Work Order: CE00223 Project: Rowan County Active Landfills - Ind. Sampled By: Darren Cox 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 14 ug/L 1 0.80 2.0 1B02019 EPA 8260D 02/02/21 18:06 KKW Surrogates Results DF Spike Lv/ % Rec % Rec Limits Batch Method Ana/vzed ffy Notes Toluene-& 6.0 1 5.00 120 % 75-125 IB02019 EPA 8260D 02102121 16:06 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 26 (� �Eo www.encolabs.com ANALYTICAL RESULTS Description: 8003-MW19 Lab Sample ID:CE00223-03 Received: 01/28/21 10:30 Matrix: Ground Water Sampled:01/27/21 10:50 Work Order: CE00223 Project: Rowan County Active Landfills - Ind. Sampled By: Darren Cox 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 1B01003 EPA 8260D 02/01/21 20:05 RKY 1,1,1-Trichloroethane [71-55-6]^ 0.12 U ug/L 1 0.12 1.0 1B01003 EPA 8260D 02/01/21 20:05 RKY 1,1,2,2-Tetrachloroethane [79-34-5]^ 0.28 U ug/L 1 0.28 1.0 1B01003 EPA 8260D 02/01/21 20:05 RKY 1,1,2-Trichloroethane [79-00-5]^ 0.14 U ug/L 1 0.14 1.0 1B01003 EPA 8260D 02/01/21 20:05 RKY 1,1-Dichloroethane [75-34-3]^ 0.13 U ug/L 1 0.13 1.0 1B01003 EPA 8260D 02/01/21 20:05 RKY 1,1-Dichloroethene [75-35-4]^ 0.21 U ug/L 1 0.21 1.0 1B01003 EPA 8260D 02/01/21 20:05 RKY 1,2,3-Trichloropropane [96-18-4]^ 0.23 U ug/L 1 0.23 1.0 1B01003 EPA 8260D 02/01/21 20:05 RKY 1,2-Dibromo-3-chloropropane [96-12-8]^ 0.48 U ug/L 1 0.48 1.0 1B01003 EPA 8260D 02/01/21 20:05 RKY 1,2-Dibromoethane [106-93-4]^ 0.66 U ug/L 1 0.66 1.0 1B01003 EPA 8260D 02/01/21 20:05 RKY 1,2-Dichlorobenzene [95-50-1]^ 0.19 U ug/L 1 0.19 1.0 1B01003 EPA 8260D 02/01/21 20:05 RKY 1,2-Dichloroethane [107-06-2]^ 0.21 U ug/L 1 0.21 1.0 1B01003 EPA 8260D 02/01/21 20:05 RKY 1,2-Dichloropropane [78-87-5]^ 0.10 U ug/L 1 0.10 1.0 1B01003 EPA 8260D 02/01/21 20:05 RKY 1,4-Dichlorobenzene [106-46-7]^ 0.19 U ug/L 1 0.19 1.0 1B01003 EPA 8260D 02/01/21 20:05 RKY 2-Butanone [78-93-3]^ 1.3 U ug/L 1 1.3 5.0 1B01003 EPA 8260D 02/01/21 20:05 RKY 2-Hexanone [591-78-6]^ 0.88 U ug/L 1 0.88 5.0 1B01003 EPA 8260D 02/01/21 20:05 RKY 4-Methyl-2-pentanone [108-10-1]^ 1.1 U ug/L 1 1.1 5.0 1B01003 EPA 8260D 02/01/21 20:05 RKY Acetone[67-64-1]^ 10 U ug/L 1 10 20 1B01003 EPA 8260D 02/01/21 20:05 RKY Acrylonitrile [107-13-1]^ 3.5 U ug/L 1 3.5 10 1B01003 EPA 8260D 02/01/21 20:05 RKY Benzene [71-43-2]^ 7.4 ug/L 1 0.15 1.0 1BO1003 EPA 8260D 02/01/21 20:05 RKY Bromochloromethane [74-97-5]^ 0.48 U ug/L 1 0.48 1.0 1B01003 EPA 8260D 02/01/21 20:05 RKY QV-01 Bromodichloromethane [75-27-4]^ 0.17 U ug/L 1 0.17 1.0 1B01003 EPA 8260D 02/01/21 20:05 RKY Bromoform [75-25-2]^ 0.22 U ug/L 1 0.22 1.0 1B01003 EPA 8260D 02/01/21 20:05 RKY Bromomethane [74-83-9]^ 0.14 U ug/L 1 0.14 1.0 1B01003 EPA 8260D 02/01/21 20:05 RKY Carbon disulfide [75-15-0]^ 1.5 U ug/L 1 1.5 5.0 1B01003 EPA 8260D 02/01/21 20:05 RKY Carbon tetrachloride [56-23-5]^ 0.17 U ug/L 1 0.17 1.0 1B01003 EPA 8260D 02/01/21 20:05 RKY Chlorobenzene [108-90-7]^ 0.17 U ug/L 1 0.17 1.0 1B01003 EPA 8260D 02/01/21 20:05 RKY Chloroethane [75-00-3]^ 0.23 U ug/L 1 0.23 1.0 1B01003 EPA 8260D 02/01/21 20:05 RKY Chloroform [67-66-3]^ 0.18 U ug/L 1 0.18 1.0 1B01003 EPA 8260D 02/01/21 20:05 RKY Chloromethane [74-87-3]^ 0.13 U ug/L 1 0.13 1.0 1B01003 EPA 8260D 02/01/21 20:05 RKY cis- 1,2-Dichloroethene [156-59-2]^ 0.15 U ug/L 1 0.15 1.0 1B01003 EPA 8260D 02/01/21 20:05 RKY cis- 1,3-Dichloropropene [10061-01-5]^ 0.20 U ug/L 1 0.20 1.0 1B01003 EPA 8260D 02/01/21 20:05 RKY Dibromochloromethane [124-48-1]^ 0.17 U ug/L 1 0.17 1.0 1B01003 EPA 8260D 02/01/21 20:05 RKY Dibromomethane [74-95-3]^ 0.27 U ug/L 1 0.27 1.0 1B01003 EPA 8260D 02/01/21 20:05 RKY Ethylbenzene [100-41-4]^ 0.13 U ug/L 1 0.13 1.0 1B01003 EPA 8260D 02/01/21 20:05 RKY Iodomethane [74-88-4]^ 1.7 U ug/L 1 1.7 5.0 1B01003 EPA 8260D 02/01/21 20:05 RKY Methylene chloride [75-09-2]^ 0.23 U ug/L 1 0.23 1.0 1B01003 EPA 8260D 02/01/21 20:05 RKY Styrene [100-42-5]^ 0.11 U ug/L 1 0.11 1.0 1B01003 EPA 8260D 02/01/21 20:05 RKY Tetrachloroethene [127-18-4]^ 0.17 U ug/L 1 0.17 1.0 1B01003 EPA 8260D 02/01/21 20:05 RKY Tetrahydrofuran [109-99-9]^ 0.53 U ug/L 1 0.53 1.0 1B03031 EPA 8260D 02/03/21 20:48 RKY Toluene [108-88-3]^ 0.14 U ug/L 1 0.14 1.0 1B01003 EPA 8260D 02/01/21 20:05 RKY trans-1,2-Dichloroethene [156-60-5]^ 0.21 U ug/L 1 0.21 1.0 1B01003 EPA 8260D 02/01/21 20:05 RKY trans-1,3-Dichloropropene [10061-02-6]^ 0.15 U ug/L 1 0.15 1.0 1B01003 EPA 8260D 02/01/21 20:05 RKY trans-1,4-Dichloro-2-butene [110-57-6]^ 0.70 U ug/L 1 0.70 1.0 1B01003 EPA 8260D 02/01/21 20:05 RKY QV-01 Trichloroethene [79-01-6]^ 0.15 U ug/L 1 0.15 1.0 1B01003 EPA 8260D 02/01/21 20:05 RKY Trichlorofluoromethane [75-69-4]^ 0.24 U ug/L 1 0.24 1.0 1B01003 EPA 8260D 02/01/21 20:05 RKY Vinyl acetate [108-05-4]^ 0.95 U ug/L 1 0.95 5.0 1B01003 EPA 8260D 02/01/21 20:05 RKY QV-01 FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 11 of 26 (� �Eo www.encolabs.com ANALYTICAL RESULTS Description: 8003-MW19 Lab Sample ID:CE00223-03 Received: 01/28/21 10:30 Matrix: Ground Water Sampled:01/27/21 10:50 Work Order: CE00223 Project: Rowan County Active Landfills - Ind. Sampled By: Darren Cox 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 1B01003 EPA 8260D 02/01/21 20:05 RKY Xylenes (Total) [1330-20-7]^ 0.45 U ug/L 1 0.45 3.0 1B01003 EPA 8260D 02/01/21 20:05 RKY Surrogates Results DF Soike Lv/ % Rec % Rec Limits Batch Method Ana/vzed ffy Notes 4-Bromofluorobenzene 49 1 50.0 98 % 53-136 1B01003 EPA 8260D 02101121 20:05 RKY Dlbromofluoromethane 49 1 50.0 97 % 67-129 IB01003 EPA 8260D 02101121 20:05 RKY Toluene-d8 60 1 50.0 121 % 59-134 IB01003 EPA 8260D 02101121 20:05 RKY Metals by EPA 6000/7000 Series Methods ^ - ENCO Cary certified analyte [NC 5911 Analyte rCAS Numberl Results Flag Units DF MDL POLL Batch Method Analyzed Ay Notes Mercury [7439-97-6]^ 0.150 U ug/L 1 0.150 0.200 1BO1013 EPA 7470A 02/02/21 12:52 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 1A30003 EPA 6020B 02/04/21 12:16 RLF Arsenic [7440-38-2]^ 7.60 U ug/L 1 7.60 10.0 1A28031 EPA 6010D 02/01/21 11:32 JDH Barium [7440-39-3]^ 156 ug/L 1 1.10 10.0 1A28031 EPA 6010D 02/01/21 11:32 JDH Beryllium [7440-41-7]^ 0.160 U ug/L 1 0.160 1.00 1A28031 EPA 6010D 02/01/21 11:32 JDH Cadmium [7440-43-9]^ 0.360 U ug/L 1 0.360 1.00 1A28031 EPA 6010D 02/01/21 11:32 JDH Chromium [7440-47-3]^ 1.40 U ug/L 1 1.40 10.0 1A28031 EPA 6010D 02/01/21 11:32 JDH Cobalt[7440-48-4]^ 25.9 ug/L 1 1.40 10.0 1A28031 EPA 6010D 02/01/21 11:32 JDH Copper[7440-50-8]^ 1.60 U ug/L 1 1.60 10.0 1A28031 EPA 6010D 02/01/21 11:32 JDH Iron [7439-89-6]^ 32500 ug/L 1 22.0 50.0 1A28031 EPA 6010D 02/01/21 11:32 JDH Lead [7439-92-1]^ 3.10 U ug/L 1 3.10 10.0 1A28031 EPA 6010D 02/01/21 11:32 JDH Manganese [7439-96-5]^ 3380 ug/L 1 1.50 10.0 1A28031 EPA 6010D 02/01/21 11:32 JDH Nickel[7440-02-0]^ 2.20 U ug/L 1 2.20 10.0 1A28031 EPA 6010D 02/01/21 11:32 JDH Selenium [7782-49-2]^ 6.20 U ug/L 1 6.20 10.0 1A28031 EPA 6010D 02/01/21 11:32 JDH Silver [7440-22-4]^ 1.90 U ug/L 1 1.90 10.0 1A28031 EPA 6010D 02/01/21 11:32 JDH Thallium [7440-28-0]^ 0.220 U ug/L 2 0.220 2.00 1A30003 EPA 6020B 02/04/21 12:16 RLF Vanadium [7440-62-2]^ 1.40 U ug/L 1 1.40 10.0 1A28031 EPA 6010D 02/01/21 11:32 JDH Zinc [7440-66-6]^ 4.40 U ug/L 1 4.40 10.0 1A28031 EPA 6010D 02/01/21 11:32 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]^ 50000 ug/L 1 2200 5000 1B03023 EPA 300.0 02/03/21 15:07 LJI Sulfate as SO4 [14808-79-8]^ 7400 ug/L 1 2900 5000 1B03023 EPA 300.0 02/03/21 15:07 LJI Total Alkalinity as CaCO3 [471-34-1]^ 100000 ug/L 1 14000 15000 1B04029 EPA 310.2 02/04/21 15:22 JAH Total Dissolved Solids^ 240000 ug/L 1 50000 50000 1B02021 SM 2540C-2011 02/02/21 15:08 LJI FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 12 of 26 (� �Eo www.encolabs.com ANALYTICAL RESULTS Description: 8003-MW19 Lab Sample ID:CE00223-03 Received: 01/28/21 10:30 Matrix: Ground Water Sampled:01/27/21 10:50 Work Order: CE00223 Project: Rowan County Active Landfills - Ind. Sampled By: Darren Cox 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 38 ug/L 1 0.80 2.0 1B02019 EPA 8260D 02/02/21 18:31 KKW Surrogates Results DF Spike Lv/ % Rec % Rec Limits Batch Method Ana/vzed ffy Notes Toluene-& 5.8 1 5.00 116 % 75-125 IB02019 EPA 8260D 02102121 1621 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 26 (� �Eo www.encolabs.com QUALITY CONTROL DATA Volatile Organic Compounds by GCMS - Quality Control Batch 1A29017 - EPA 5030E MS Blank (1A29017-BLK1) Prepared: 01/29/2021 16:27 Analyzed: 01/29/2021 20:29 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 Level Result %REC Limits RPD RPD Limit Notes 4-Bromofluorobenzene 44 u91L 50.0 89 53-136 Dibromofluoromethane 48 u91L 50.0 96 67-129 FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. Page 14 of 26 (� �Eo www.encolabs.com QUALITY CONTROL DATA Volatile Organic Compounds by GCMS - Quality Control Batch 1A29017 - EPA 5030E MS - Continued Blank (1A29017-BLK1) Continued Prepared: 01/29/2021 16:27 Analyzed: 01/29/2021 20:29 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Toluene-d8 60 ug/L 50.0 119 59-134 LCS (1A29017-BS1) Prepared: 01/29/2021 16:27 Analyzed: 01/29/2021 18:30 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes 1,1-Dichloroethene 20 1.0 ug/L 20.0 98 75-133 Benzene 19 1.0 ug/L 20.0 96 80-134 Chlorobenzene 19 1.0 ug/L 20.0 95 80-120 Toluene 18 1.0 ug/L 20.0 88 71-120 Trichloroethene 19 1.0 ug/L 20.0 96 74-120 Matrix Spike (1A29017-MS1) Prepared: 01/29/2021 16:27 Analyzed: 01/29/2021 19:00 Source: CE00222-05 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes 1,1-Dichloroethene 24 1.0 ug/L 20.0 0.21 U 120 75-133 Benzene 21 1.0 ug/L 20.0 0.15 U 104 80-134 Chlorobenzene 21 1.0 ug/L 20.0 0.17 U 103 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 105 74-120 Matrix Spike Dup (3A29017-MSD1) Prepared: 01/29/2021 16:27 Analyzed: 01/29/2021 19:29 Source: CE00222-05 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes 1,1-Dichloroethene 23 1.0 ug/L 20.0 0.21 U 117 75-133 2 20 Benzene 21 1.0 ug/L 20.0 0.15 U 103 80-134 0.9 17 Chlorobenzene 20 1.0 ug/L 20.0 0.17 U 98 80-120 5 16 Toluene 19 1.0 ug/L 20.0 0.14 U 94 71-120 5 17 Trichloroethene 19 1.0 ug/L 20.0 0.15 U 97 74-120 7 22 Batch 1801003 - EPA 5030E MS Blank (1B01003-BLK3) Prepared: 02/01/2021 08:12 Analyzed: 02/01/2021 12:32 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 2-Butanone 1.3 U 5.0 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 26 (� �Eo www.encolabs.com QUALITY CONTROL DATA Volatile Organic Compounds by GCMS - Quality Control Batch 1B01003 - EPA 5030E MS - Continued Blank (SB01003-BLK1) Continued Prepared: 02/01/2021 08:12 Analyzed: 02/01/2021 12:32 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes 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 42 u91L 50.0 85 53-136 Dibromofluoromethane 47 u91L 50.0 94 67-129 Toluene-d8 59 u91L 50.0 119 59-134 LCS (IB01003-BSI) Prepared: 02/01/2021 08:12 Analyzed: 02/01/2021 10:33 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes 1,1-Dichloroethene 22 1.0 ug/L 20.0 110 75-133 Benzene 20 1.0 ug/L 20.0 102 80-134 Chlorobenzene 18 1.0 ug/L 20.0 90 80-120 Toluene 19 1.0 ug/L 20.0 93 71-120 Trichloroethene 20 1.0 ug/L 20.0 101 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 26 (� �Eo www.encolabs.com QUALITY CONTROL DATA Volatile Organic Compounds by GCMS - Quality Control Batch 1B01003 - EPA 5030E MS - Continued Matrix Spike (1B01003-MS1) Prepared: 02/01/2021 08:12 Analyzed: 02/01/2021 11:03 Source: CE01306-03 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes 1,1-Dichloroethene 21 1.0 ug/L 20.0 0.21 U 107 75-133 Benzene 19 1.0 ug/L 20.0 0.15 U 96 80-134 Chlorobenzene 18 1.0 ug/L 20.0 0.17 U 92 80-120 Toluene 18 1.0 ug/L 20.0 0.14 U 91 71-120 Trichloroethene 20 1.0 ug/L 20.0 0.15 U 98 74-120 Matrix Spike Dup (1B03003-MSD1) Prepared: 02/01/2021 08:12 Analyzed: 02/01/2021 11:33 Source: CE01306-03 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes 1,1-Dichloroethene 23 1.0 ug/L 20.0 0.21 U 115 75-133 8 20 Benzene 20 1.0 ug/L 20.0 0.15 U 99 80-134 2 17 Chlorobenzene 19 1.0 ug/L 20.0 0.17 U 96 80-120 5 16 Toluene 19 1.0 ug/L 20.0 0.14 U 95 71-120 5 17 Trichloroethene 20 1.0 ug/L 20.0 0.15 U 98 74-120 0.2 22 Batch 1803031 - EPA 5030E MS Blank (lB03031-BLK1) Prepared: 02/03/2021 12:37 Analyzed: 02/03/2021 15:18 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Tetrahydrofuran 0.53 U 1.0 ug/L Metals by EPA 6000/7000 Series Methods - Quality Control Batch 1801013 - EPA 7470A Blank (1B01013-BLK3) Prepared: 02/01/2021 11:15 Analyzed: 02/02/2021 12:26 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 (1B01013-BSI) Prepared: 02/01/2021 11:15 Analyzed: 02/02/2021 12:29 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Mercury 4.95 0.200 ug/L 5.00 99 80-120 Matrix Spike (1B01013-MS1) Prepared: 02/01/2021 11:15 Analyzed: 02/02/2021 12:33 Source: CE00223-01 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Mercury 4.97 0.200 ug/L 5.00 0.150 U 99 75-125 Matrix Spike Dup (1B03013-MSD1) Prepared: 02/01/2021 11:15 Analyzed: 02/02/2021 12:36 Source: CE00223-01 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Mercury 5.03 0.200 ug/L 5.00 0.150 U 101 75-125 1 25 FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 17 Of 26 (� �Eo www.encolabs.com QUALITY CONTROL DATA Metals by EPA 6000/7000 Series Methods - Quality Control Batch 1B01013 - EPA 7470A - Continued Post Spike (SB01013-PS1) Prepared: 02/01/2021 11:15 Analyzed: 02/02/2021 12:39 Source: CE00223-01 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Mercury 5.64 0.200 ug/L 5.00 -0.110 113 75-125 Metals (total recoverable) by EPA 6000/7000 Series Methods - Quality Control Batch 1A28031 - EPA 3005A Blank (1A28031-BLK1) Prepared: 01/28/2021 13:17 Analyzed: 02/01/2021 10:31 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 Blank (1A28031-BLK2) Prepared: 01/28/2021 13:17 Analyzed: 02/01/2021 10:34 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 (1A28031-BSI) Prepared: 01/28/2021 13:17 Analyzed: 02/01/2021 10:42 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 217 10.0 ug/L 200 108 80-120 FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. Page 18 Of 26 (� �Eo www.encolabs.com QUALITY CONTROL DATA Metals (total recoverable) by EPA 6000/7000 Series Methods - Quality Control Batch 1A2BO31 - EPA 3005A - Continued LCS (1A28031-BSI) Continued Prepared: 01/28/2021 13:17 Analyzed: 02/01/2021 10:42 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Beryllium 20.2 1.00 ug/L 20.0 101 80-120 Cadmium 20.6 1.00 ug/L 20.0 103 80-120 Chromium 208 10.0 ug/L 200 104 80-120 Cobalt 208 10.0 ug/L 200 104 80-120 Copper 207 10.0 ug/L 200 104 80-120 Iron 1080 50.0 ug/L 1000 108 80-120 Lead 212 10.0 ug/L 200 106 80-120 Manganese 206 10.0 ug/L 200 103 80-120 Nickel 217 10.0 ug/L 200 108 80-120 Selenium 208 10.0 ug/L 200 104 80-120 Silver 214 10.0 ug/L 200 107 80-120 Vanadium 206 10.0 ug/L 200 103 80-120 Zinc 220 10.0 ug/L 200 110 80-120 Matrix Spike (1A28031-MS3) Prepared: 01/28/2021 13:17 Analyzed: 02/01/2021 10:51 Source: CE01279-01 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Arsenic 189 10.0 ug/L 200 7.60 U 94 75-125 Barium 357 10.0 ug/L 200 136 110 75-125 Beryllium 20.4 1.00 ug/L 20.0 0.160 U 102 75-125 Cadmium 20.3 1.00 ug/L 20.0 0.360 U 102 75-125 Chromium 208 10.0 ug/L 200 1.40 U 104 75-125 Cobalt 219 10.0 ug/L 200 13.3 103 75-125 Copper 204 10.0 ug/L 200 1.61 101 75-125 Iron 5500 50.0 ug/L 1000 4380 112 75-125 Lead 206 10.0 ug/L 200 3.10 U 103 75-125 Manganese 732 10.0 ug/L 200 519 106 75-125 Nickel 219 10.0 ug/L 200 3.09 108 75-125 Selenium 201 10.0 ug/L 200 6.20 U 101 75-125 Silver 212 10.0 ug/L 200 1.90 U 106 75-125 Vanadium 207 10.0 ug/L 200 1.40 U 104 75-125 Zinc 227 10.0 ug/L 200 12.1 108 75-125 Matrix Spike Dup (1A28031-MSD1) Prepared: 01/28/2021 13:17 Analyzed: 02/01/2021 10:54 Source: CE01279-01 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Arsenic 197 10.0 ug/L 200 7.60 U 99 75-125 4 20 Barium 363 10.0 ug/L 200 136 114 75-125 2 20 Beryllium 20.6 1.00 ug/L 20.0 0.160 U 103 75-125 1 20 Cadmium 20.6 1.00 ug/L 20.0 0.360 U 103 75-125 2 20 Chromium 212 10.0 ug/L 200 1.40 U 106 75-125 2 20 Cobalt 225 10.0 ug/L 200 13.3 106 75-125 2 20 Copper 207 10.0 ug/L 200 1.61 103 75-125 1 20 Iron 5660 50.0 ug/L 1000 4380 128 75-125 3 20 QM-07 Lead 211 10.0 ug/L 200 3.10 U 106 75-125 3 20 Manganese 740 10.0 ug/L 200 519 110 75-125 1 20 Nickel 224 10.0 ug/L 200 3.09 110 75-125 2 20 Selenium 208 10.0 ug/L 200 6.20 U 104 75-125 3 20 FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 19 Of 26 (� �Eo www.encolabs.com QUALITY CONTROL DATA Metals (total recoverable) by EPA 6000/7000 Series Methods - Quality Control Batch 1A2BO31 - EPA 3005A - Continued Matrix Spike Dup (1A28031-MSDS) Continued Prepared: 01/28/2021 13:17 Analyzed: 02/01/2021 10:54 Source: CE01279-01 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Silver 214 10.0 ug/L 200 1.90 U 107 75-125 1 20 Vanadium 210 10.0 ug/L 200 1.40 U 105 75-125 1 20 Zinc 233 10.0 ug/L 200 12.1 110 75-125 2 20 Post Spike (SA28031-PS3) Prepared: 01/28/2021 13:17 Analyzed: 02/01/2021 10:56 Source: CE01279-01 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Arsenic 0.203 0.0100 mg/L 0.200 -0.00493 101 80-120 Barium 0.363 0.0100 mg/L 0.200 0.136 114 80-120 Beryllium 0.0214 0.00100 mg/L 0.0200 -4.37E-5 107 80-120 Cadmium 0.0212 0.00100 mg/L 0.0200 1.84E-5 106 80-120 Chromium 0.215 0.0100 mg/L 0.200 -0.000181 108 80-120 Cobalt 0.227 0.0100 mg/L 0.200 0.0133 107 80-120 Copper 0.210 0.0100 mg/L 0.200 0.00161 104 80-120 Iron 5.47 0.0500 mg/L 1.00 4.38 109 80-120 Lead 0.212 0.0100 mg/L 0.200 0.000976 105 80-120 Manganese 0.737 0.0100 mg/L 0.200 0.519 109 80-120 Nickel 0.226 0.0100 mg/L 0.200 0.00309 111 80-120 Selenium 0.212 0.0100 mg/L 0.200 -0.000484 106 80-120 Silver 0.219 0.0100 mg/L 0.200 -0.000226 109 80-120 Vanadium 0.213 0.0100 mg/L 0.200 0.000806 106 80-120 Zinc 0.235 0.0100 mg/L 0.200 0.0121 112 80-120 Batch IA30003 - EPA 3005A Blank (1A30003-BLK1) Prepared: 01/30/2021 15:46 Analyzed: 02/04/2021 11:15 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 (1A30003-BSI) Prepared: 01/30/2021 15:46 Analyzed: 02/04/2021 11:24 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 19.9 1.00 ug/L 20.0 99 80-120 Thallium 20.2 1.00 ug/L 20.0 101 80-120 Matrix Spike (1A30003-MS3) Prepared: 01/30/2021 15:46 Analyzed: 02/04/2021 11:28 Source: CE00223-01 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 Selenium 40.8 2.00 ug/L 40.0 1.82 U 102 75-125 Thallium 41.9 2.00 ug/L 40.0 0.220 U 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 20 Of 26 (� �Eo www.encolabs.com QUALITY CONTROL DATA Metals (total recoverable) by EPA 6000/7000 Series Methods - Quality Control Batch 1A30003 - EPA 3005A - Continued Matrix Spike Dup (1A30003-MSDS) Prepared: 01/30/2021 15:46 Analyzed: 02/04/2021 11:32 Source: CE00223-01 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Antimony 41.1 2.00 ug/L 40.0 0.740 U 103 75-125 1 20 Selenium 41.4 2.00 ug/L 40.0 1.82 U 103 75-125 2 20 Thallium 42.5 2.00 ug/L 40.0 0.220 U 106 75-125 1 20 Post Spike (SA30003-PSI) Prepared: 01/30/2021 15:46 Analyzed: 02/04/2021 11:36 Source: CE00223-01 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Antimony 20.5 1.00 ug/L 20.0 -0.165 102 75-125 Selenium 20.4 1.00 ug/L 20.0 -0.0494 102 75-125 Thallium 20.9 1.00 ug/L 20.0 0.00223 104 75-125 Classical Chemistry Parameters - Quality Control Batch IB02021 - NO PREP Blank (1B02021-BLK3) Prepared: 02/02/2021 10:40 Analyzed: 02/02/2021 15:08 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 (lB02021-BSI) Prepared: 02/02/2021 10:40 Analyzed: 02/02/2021 15:08 Analvte Total Dissolved Solids Result Flaq 990 POL 50 Units mg/L Spike Level 1000 Source Result %REC %REC Limits RPD 99 80-120 RPD Limit Notes Duplicate (1B02021-DUP3) Prepared: 02/02/2021 10:40 Analyzed: 02/02/2021 15:08 Source: CE01108-04 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Total Dissolved Solids 370000 50000 ug/L 380000 3 20 Batch IB03023 - NO PREP Blank (lB03023-BLKI) Prepared: 02/03/2021 11:27 Analyzed: 02/03/2021 13:21 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 (1B03023-BS1) Prepared: 02/03/2021 11:27 Analyzed: 02/03/2021 13:39 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Chloride 48000 5000 ug/L 50000 97 90-110 Sulfate as SO4 48000 5000 ug/L 50000 96 90-110 Matrix Spike (1B03023-MS3) Prepared: 02/03/2021 11:27 Analyzed: 02/03/2021 14:14 Source: CE00223-01 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Chloride 24000 5000 ug/L 20000 3900 99 90-110 FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 21 of 26 (� �Eo www.encolabs.com QUALITY CONTROL DATA Classical Chemistry Parameters - Quality Control Batch IB03023 - NO PREP - Continued Matrix Spike (1B03023-MS3) Continued Prepared: 02/03/2021 11:27 Analyzed: 02/03/2021 14:14 Source: CE00223-01 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Sulfate as SO4 17000 5000 ug/L 20000 2900 U 84 90-110 QM-07 Matrix Spike Dup (1B03023-MSD1) Prepared: 02/03/2021 11:27 Analyzed: 02/03/2021 14:32 Source: CE00223-01 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Chloride 24000 5000 ug/L 20000 3900 102 90-110 3 10 Sulfate as SO4 17000 5000 ug/L 20000 2900 U 87 90-110 3 10 QM-07 Batch IB04029 - NO PREP Blank (1B04029-BLK1) Prepared: 02/04/2021 13:37 Analyzed: 02/04/2021 15:18 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 (1B04029-BS1) Prepared: 02/04/2021 13:37 Analyzed: 02/04/2021 15:19 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Total Alkalinity as CaCO3 100 15 mg/L 100 100 80-120 Matrix Spike (1B04029-MS3) Prepared: 02/04/2021 13:37 Analyzed: 02/04/2021 15:20 Source: CE00223-01 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 15000 135 80-120 QM-07 Matrix Spike Dup (lB04029-MSDS) Prepared: 02/04/2021 13:37 Analyzed: 02/04/2021 15:21 Source: CE00223-01 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 15000 136 80-120 0.08 25 QM-07 Volatile Organic Compounds by GCMS SIM Isotope Dilution - Quality Control Batch IB02019 - EPA 5030E MS Blank (1B02019-BLK1) Prepared: 02/02/2021 00:39 Analyzed: 02/02/2021 09:57 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-& 5.7 ug/L 5.00 115 75-125 LCS (1B02019-BS1) Prepared: 02/02/2021 00:39 Analyzed: 02/02/2021 09:32 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes 1,4-Dioxane 24 2.0 ug/L 25.0 97 80-133 Toluene-d8 5.7 ug/L 5.00 113 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 26 (� �Eo www.encolabs.com QUALITY CONTROL DATA Volatile Organic Compounds by GCMS SIM Isotope Dilution - Quality Control Batch IB02019 - EPA 5030E MS - Continued Matrix Spike (1802019-14SIL) Prepared: 02/02/2021 00:39 Analyzed: 02/02/2021 19:21 Source: AE00698-01 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes 1,4-Dioxane 35 2.0 ug/L 25.0 8.4 105 80-133 Toluene-d8 5.9 u91L 5.00 118 75-125 Matrix Spike Dup (1802019-MS131) Prepared: 02/02/2021 00:39 Analyzed: 02/02/2021 19:46 Source: AE00698-01 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes 1,4-Dioxane 32 2.0 ug/L 25.0 8.4 95 80-133 8 19 Toluene-d8 5.2 u91L 5.00 103 75-125 FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 23 Of 26 (� �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. 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 24 of 26 E a 0 q a u � cc y� -0 N _ S7. X Q U F {n W n C) N a � Y W m m US cr D z g L ym mUN N A w 40 n p Q U OOE a sMnS x x x cr o H x x x Shc'QOfs�+ol4�'Z'046�11�NI�IV YIC :� a m c U o Wl MID 4d IN'u1N ���tY+3�o3 P'J oB sB �Y�V x x a €�t rws 0�9Z8'4�9P�M 00528 h 7C x v ti ftl �� � T � 4 x a m N .�y E o E h ¢ z E z& m a a a ¢ m G R ❑ �1 Ji zc (< ? 1`. ai r4LT'7 N c v � m LL � p L a Q a� ID ry E Q co E C U a n U S U ro E F _E � O ro ❑ a � m 4 N c U a 0 U m m d 13- tr "J E n�ll E E d C 3 rti m 0. _ 67 � ai � ID N 0 Q m c E; 6 � S i_ C ti- E w � y m � 2 t m Y m E m E Page 25 of w U Sample Preservation Verification ENCO Cary Work Order: CE00223 Project: Rowan County Active Landfills - Ind. Param Client: Golder Associates, Inc. (GO007) Project #: 20140083.101 Logged In: 28-Jan-21 10:49 Logged By: Rachel Ann on Preservation Check Performed By: � Date/Time: is I 1 CE00223-01 Cont Type Pres (pH) Requirement pH Checked / lln Control pH Adjusted Date/Time Adjusted Reagent Used/Comments B 250mLP+HNO3 <2 Y 1: N I NA Y '1 N J NA CE00223-02 Gant Type Pres (pH) Requirement pH Checked / 1,-,Lt? Control pH Adjusted Date/Time I Adjusted Reagent Used/Comments B 250mLP+HNO3 <2 Y 1' N I NA I YIN) NA CE00223-03 Cunt Type Pres (pH) Requirement1,,-IqControl pH Checked 1 pH Adjusted Date/Time Adjusted Reagent Used/Comments B 250mLP+HNO3 1 2 Y1 N 1 NA Y 1, lei/ NA Rea ent Name ID 1 2 pH Strip ID: PH Strips COF0555 Rea ent Name ID 3 1 1 4 Rea ent Name ID 5 6 C:lelmnt\PrirILMrW_r-reservation Vneck. rpt Page 26 of 26 WORK ORDER Printed: 1/29/2021 8:43:16AM CE00223 ENCO Cary Sample Receipt Conditions Client: Golder Associates, Inc. (G0007) Lab Project Mgr: Amanda L. Gaines Project: Rowan County Active Landfills - Ind. Parameters Project Number: 20140083.100 PO #: Report To: Invoice To: Golder Associates, Inc. (G0007) Golder Associates, Inc. (G0007) Darren Cox Accounts Payable 5B Oak Branch Drive 5B Oak Branch Drive Greensboro, NC 27407 Greensboro, NC 27407 Phone: (336) 852-4903 Phone :(804) 358-7900 Fax: (336) 852-4904 Fax: 804-358-2900 Received By: Rachel Ann Yonish Logged In By: Rachel Ann Yonish Date Received: 28-Jan-21 10:30 Date Logged In: 28-Jan-21 10:49 Work Order Comments: C-2230 received at 1.4°C Containers Intact Y Containers Properly Preserved Y Proper Containers Received Y All Samples in PreLog Received Y COC/Labels Agree Custody Seals Intact Y Volatile Containers Preserved Y Volatile Containers Headspace Free Y Aqueous Samples Checked for Residual Cl N Received On Ice Temperature Corrected Y Y Y Page 1 of 1 GOLDER ASSOCIATES INC. QUALITY ASSURANCE & QUALITY CONTROL G Q L D E R LABORATORY DATA REVIEW Page 1 of 3 Project Name: Rowan County C&D Landfill — Parameters Project Reference Number. 20140083.100 Sampling Event Date: January 26-27, 2021 Review Date: February 15, 2021 Initials: DC Report #: CE00223 Review. RPK 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. 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 DC Holding times for extraction and/or analysis were met for each analytical Method (see lab manual for holding times). GOLDER ASSOCIATES INC. QUALITY ASSURANCE & QUALITY CONTROL LABORATORY DATA REVIEW Page 2 of 3 Notes 3.0 LABORATORY QUALITY CONTROL REVIEW 4 GOLDER 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 8260D Continuing Calibration Verification (CCV) exhibited a high bias for Bromochloromethane, trans-1,4-Dichloro-2-butene, and Vinyl acetate; however, these analytes were not detected in the associated samples. ➢ The spike recovery for Iron was outside control limits for the MSD sample. The QC batch was approved based on acceptable LCS recovery of this element. ➢ The spike recoveries for Alkalinity and Sulfate were outside control limits for the MS and MSD samples. The QC batches were approved based on acceptable LCS recovery of these analytes. 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. 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. GOLDER ASSOCIATES INC. QUALITY ASSURANCE & QUALITY CONTROL LABORATORY DATA REVIEW Page 3 of 3 ➢ Antimony and Thallium (2x) all samples ➢ Chloride (4x) and Sulfate as SO4 (4x) in MW-18R DC The report provides the reporting limit for each constituent. 4 GOLDER 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 @ 3.36 ug/L (J) ➢ MW-19 @ 25.9 ug/L ➢ Manganese (NC 2L = 50 ug/L) ➢ MW-18R @ 1240 ug/L ➢ MW-19 @ 3380 ug/L ➢ Iron (NC 2L = 300 ug/L) ➢ MW-18R @ 2170 ug/L ➢ MW-19 @ 32500 ug/L ➢Thallium (NC 2L IMAC = 0.2 ug/L) ➢ MW-18R @ 0.493 ug/L (J) ➢ Benzene (NC 2L IMAC = 1 ug/L) ➢ MW-19 @ 7.4 ug/L ➢1,4-Dioxane (NC 2L = 3 ug/L) ➢ MW-18R @ 14ug/L ➢ MW-19 @ 38 ug/L ➢Total Dissolved Solids (NC 2L = 500 mg/L) ➢ MW-18R @ 550 mg/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.: ENCO Laboratones Accurate. Timely. Responsive. Innovative. 102-A Woodwinds Industrial Court Cary NC, 27511 Phone: 919.467.3090 FAX: 919.467.3515 Monday, February 8, 2021 Golder Associates, Inc. (G0007) Attn: Darren Cox 5B Oak Branch Drive Greensboro, NC 27407 RE: Laboratory Results for Project Number: 20140083.100, Project Name/Desc: Rowan County Landfill Leachate ENCO Workorder(s): CE00224 Dear Darren Cox, Enclosed is a copy of your laboratory report for test samples received by our laboratory on Thursday, January 28, 2021. 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 9 PROJECT NARRATIVE Date: February 8, 2021 Client: Golder Associates, Inc. (G0007) Project: Rowan County Landfill Leachate Lab ID: CE00224 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 Continuing Calibration Verification (CCV) exhibited a high bias for Bromochloromethane, trans- 1,4-Dichloro-2-butene, and Vinyl acetate; however, these analytes were not detected in the associated samples. The spike recoveries for Nitrite, Nitrate/Nitrite, and Sulfate were outside control limits for the MS and/or MSD samples. The QC batches were approved based on acceptable LCS recovery of these analytes. Quality Control Remarks No Comments Other Comments Sample 8003-L-1 for 8260D was processed at a dilution due to matrix interference, resulting in elevated reporting limits 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 9 (� �Eo www.encolabs.com SAMPLE SUMMARY/LABORATORY CHRONICLE Client ID: 8003-L3 Lab ID: CE00224-01 Sampled: 01/27/21 14:00 Received: 01/28/21 10:30 Parameter Preparation Hold Date/Time(s) Prep Date/Time(s) Analysis Date/Time(s) EPA 300.0 NO PREP 02/24/21 02/03/21 11:27 02/03/21 15:25 EPA 353.2 NO PREP 01/29/21 14:00 01/28/21 15:20 01/28/21 16:54 EPA 353.2 [CALC] 01/29/21 14:00 02/01/21 08:28 02/01/21 13:33 EPA 353.2 NO PREP 02/24/21 02/01/21 08:28 02/01/21 13:33 EPA 365.4 Same 02/24/21 02/04/21 08:01 02/05/21 11:50 EPA 6010D EPA 3005A 07/26/21 01/30/21 15:29 02/02/21 11:07 EPA 6020E EPA 3005A 07/26/21 01/30/21 15:46 02/04/21 12:20 EPA 8260D EPA 503013_MS 02/10/21 02/01/21 08:12 02/01/21 20:35 SM 5210 B-2011 NO PREP 01/29/21 14:00 01/28/21 11:13 01/28/21 11:13 SM 5220D-2011 Same 02/24/21 01/29/21 09:41 01/29/21 14:20 Client ID: 8003-L1 Lab ID: CE00224-01RE1 Sampled: 01/27/21 14:00 Received: 01/28/21 10:30 Parameter Preparation Hold Date/Time(s) Prep Date/Time(s) Analysis Date/Time(s) EPA 8260D EPA 503013_MS 02/10/21 02/04/21 10:42 02/04/21 14:44 FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 3 Of 19 (� �Eo www.encolabs.com SAMPLE DETECTION SUMMARY Client ID: 8003-L1 Lab ID: CE00224-01 Analvte Results Flag MDL PQL Units Method Notes Acetone 260 D 100 200 ug/L EPA 8260D R-04 Antimony - Total 3.51 0.740 2.00 ug/L EPA 6020E Barium - Total 631 1.10 10.0 ug/L EPA 6010D Biochemical Oxygen Demand 36000 2000 2000 ug/L SM 5210 B-2011 Chemical Oxygen Demand 450000 10000 10000 ug/L SM 5220D-2011 Chromium - Total 13.1 1.40 10.0 ug/L EPA 6010D Cobalt - Total 6.71 J 1.40 10.0 ug/L EPA 6010D Nickel - Total 28.5 2.20 10.0 ug/L EPA 6010D Nitrate as N 0.061 J 0.041 0.10 mg/L EPA 353.2 Nitrate/Nitrite as N 61 J 41 100 ug/L EPA 353.2 Phosphorus 400 25 100 ug/L EPA 365.4 Sulfate as SO4 4100 J 2900 5000 ug/L EPA 300.0 Vanadium - Total 7.58 J 1.40 10.0 ug/L EPA 6010D Zinc - Total 4.53 1 4.40 10.0 ug/L EPA 6010D Client ID: 8003-L1 Lab ID: CE00224-01RE3 Analvte Results Flag MDL PQL Units Method Notes 1,4-Dioxane 280 D 8.0 20 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 19 (� �Eo www.encolabs.com ANALYTICAL RESULTS Description: 8003-L1 Lab Sample ID:CE00224-01 Received: 01/28/21 10:30 Matrix: Water Sampled:01/27/21 14:00 Work Order: CE00224 Project: Rowan County Landfill Leachate Sampled By: Darren Cox Volatile Organic Compounds by GCMS ^ - ENCO Cary certified analyte [NC 591] Analyte ICAS Numberl Results Flaa Units DF MDL POLL Batch Method Analyzed AX Notes 1,1,1,2-Tetrachloroethane [630-20-6]^ 1.7 UD ug/L 10 1.7 10 1B01003 EPA 8260D 02/01/21 20:35 RKY R-04 1,1,1-Trichloroethane [71-55-6]^ 1.2 UD ug/L 10 1.2 10 1B01003 EPA 8260D 02/01/21 20:35 RKY R-04 1,1,2,2-Tetrachloroethane [79-34-5]^ 2.8 UD ug/L 10 2.8 10 1B01003 EPA 8260D 02/01/21 20:35 RKY R-04 1,1,2-Trichloroethane [79-00-5]^ 1.4 UD ug/L 10 1.4 10 1B01003 EPA 8260D 02/01/21 20:35 RKY R-04 1,1-Dichloroethane [75-34-3]^ 1.3 UD ug/L 10 1.3 10 1B01003 EPA 8260D 02/01/21 20:35 RKY R-04 1,1-Dichloroethene [75-35-4]^ 2.1 UD ug/L 10 2.1 10 1B01003 EPA 8260D 02/01/21 20:35 RKY R-04 1,2,3-Trichloropropane [96-18-4]^ 2.3 UD ug/L 10 2.3 10 1B01003 EPA 8260D 02/01/21 20:35 RKY R-04 1,2-Dibromo-3-chloropropane [96-12-8]^ 4.8 UD ug/L 10 4.8 10 1B01003 EPA 8260D 02/01/21 20:35 RKY R-04 1,2-Dibromoethane [106-93-4]^ 6.6 UD ug/L 10 6.6 10 1B01003 EPA 8260D 02/01/21 20:35 RKY R-04 1,2-Dichlorobenzene [95-50-1]^ 1.9 UD ug/L 10 1.9 10 1B01003 EPA 8260D 02/01/21 20:35 RKY R-04 1,2-Dichloroethane [107-06-2]^ 2.1 UD ug/L 10 2.1 10 1B01003 EPA 8260D 02/01/21 20:35 RKY R-04 1,2-Dichloropropane [78-87-5]^ 1.0 UD ug/L 10 1.0 10 1B01003 EPA 8260D 02/01/21 20:35 RKY R-04 1,4-Dichlorobenzene [106-46-7]^ 1.9 UD ug/L 10 1.9 10 1B01003 EPA 8260D 02/01/21 20:35 RKY R-04 2-Butanone [78-93-3]^ 13 UD ug/L 10 13 50 1B01003 EPA 8260D 02/01/21 20:35 RKY R-04 2-Hexanone [591-78-6]^ 8.8 UD ug/L 10 8.8 50 1B01003 EPA 8260D 02/01/21 20:35 RKY R-04 4-Methyl-2-pentanone[108-10-1]^ 11 UD ug/L 10 11 50 1B01003 EPA 8260D 02/01/21 20:35 RKY R-04 Acetone [67-64-1]^ 260 D ug/L 10 100 200 1BO1003 EPA 8260D 02/01/21 20:35 RKY R-04 Acrylonitrile [107-13-1]^ 35 UD ug/L 10 35 100 1B01003 EPA 8260D 02/01/21 20:35 RKY R-04 Benzene [71-43-2]^ 1.5 UD ug/L 10 1.5 10 1B01003 EPA 8260D 02/01/21 20:35 RKY R-04 Bromochloromethane [74-97-5]^ 4.8 UD ug/L 10 4.8 10 1B01003 EPA 8260D 02/01/21 20:35 RKY QV-01, R-04 Bromodichloromethane [75-27-4]^ 1.7 UD ug/L 10 1.7 10 1BO1003 EPA 8260D 02/01/21 20:35 RKY R-04 Bromoform [75-25-2]^ 2.2 UD ug/L 10 2.2 10 1BO1003 EPA 8260D 02/01/21 20:35 RKY R-04 Bromomethane [74-83-9]^ 1.4 UD ug/L 10 1.4 10 1BO1003 EPA 8260D 02/01/21 20:35 RKY R-04 Carbon disulfide [75-15-0]^ 15 UD ug/L 10 15 50 1BO1003 EPA 8260D 02/01/21 20:35 RKY R-04 Carbon tetrachloride [56-23-5]^ 1.7 UD ug/L 10 1.7 10 1BO1003 EPA 8260D 02/01/21 20:35 RKY R-04 Chlorobenzene [108-90-7]^ 1.7 UD ug/L 10 1.7 10 1BO1003 EPA 8260D 02/01/21 20:35 RKY R-04 Chloroethane [75-00-3]^ 2.3 UD ug/L 10 2.3 10 1BO1003 EPA 8260D 02/01/21 20:35 RKY R-04 Chloroform [67-66-3]^ 1.8 UD ug/L 10 1.8 10 1BO1003 EPA 8260D 02/01/21 20:35 RKY R-04 Chloromethane [74-87-3]^ 1.3 UD ug/L 10 1.3 10 1BO1003 EPA 8260D 02/01/21 20:35 RKY R-04 cis- 1,2-Dichloroethene [156-59-2]^ 1.5 UD ug/L 10 1.5 10 1BO1003 EPA 8260D 02/01/21 20:35 RKY R-04 cis- 1,3-Dichloropropene [10061-01-5]^ 2.0 UD ug/L 10 2.0 10 1BO1003 EPA 8260D 02/01/21 20:35 RKY R-04 Dibromochloromethane [124-48-1]^ 1.7 UD ug/L 10 1.7 10 1BO1003 EPA 8260D 02/01/21 20:35 RKY R-04 Dibromomethane [74-95-3]^ 2.7 UD ug/L 10 2.7 10 1BO1003 EPA 8260D 02/01/21 20:35 RKY R-04 Ethylbenzene [100-41-4]^ 1.3 UD ug/L 10 1.3 10 1BO1003 EPA 8260D 02/01/21 20:35 RKY R-04 Iodomethane[74-88-4]^ 17 UD ug/L 10 17 50 1BO1003 EPA 8260D 02/01/21 20:35 RKY R-04 Methylene chloride [75-09-2]^ 2.3 UD ug/L 10 2.3 10 1BO1003 EPA 8260D 02/01/21 20:35 RKY R-04 Styrene [100-42-5]^ 1.1 UD ug/L 10 1.1 10 1BO1003 EPA 8260D 02/01/21 20:35 RKY R-04 Tetrachloroethene [127-18-4]^ 1.7 UD ug/L 10 1.7 10 1BO1003 EPA 8260D 02/01/21 20:35 RKY R-04 Toluene[108-88-3]^ 1.4 UD ug/L 10 1.4 10 1BO1003 EPA 8260D 02/01/21 20:35 RKY R-04 trans-1,2-Dichloroethene [156-60-5]^ 2.1 UD ug/L 10 2.1 10 1BO1003 EPA 8260D 02/01/21 20:35 RKY R-04 trans-1,3-Dichloropropene [10061-02-6]^ 1.5 UD ug/L 10 1.5 10 1BO1003 EPA 8260D 02/01/21 20:35 RKY R-04 trans-1,4-Dichloro-2-butene [110-57-6]^ 7.0 UD ug/L 10 7.0 10 1BO1003 EPA 8260D 02/01/21 20:35 RKY QV-01, R-04 Trichloroethene [79-01-6]^ 1.5 UD ug/L 10 1.5 10 1BO1003 EPA 8260D 02/01/21 20:35 RKY R-04 Trichlorofluoromethane [75-69-4]^ 2.4 UD ug/L 10 2.4 10 1BO1003 EPA 8260D 02/01/21 20:35 RKY R-04 Vinyl acetate [108-05-4]^ 9.5 UD ug/L 10 9.5 50 1BO1003 EPA 8260D 02/01/21 20:35 RKY QV-01, R-04 FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. Pager) Of 9 (� �Eo www.encolabs.com ANALYTICAL RESULTS Description: 8003-Ll Lab Sample ID:CE00224-01 Received: 01/28/21 10:30 Matrix: Water Sampled:01/27/21 14:00 Work Order: CE00224 Project: Rowan County Landfill Leachate Sampled By: Darren Cox 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 Vinyl chloride [75-01-4]^ 3.2 UD ug/L 10 3.2 10 1B01003 EPA 8260D 02/01/21 20:35 RKY R-04 Xylenes (Total) [1330-20-7]^ 4.5 UD ug/L 10 4.5 30 1B01003 EPA 8260D 02/01/21 20:35 RKY R-04 Surrogates Results DF Spike Lv/ % Rec % Rec Limits Batch Method Ana/vzed By Notes 4-Bromofluorobenzene 45 1 50.0 90 % 53-136 IB01003 EPA 8260D 02101121 20:35 RKY R-04 Dibromofluoromethane 48 1 50.0 97 % 67-129 IB01003 EPA 8260D 02101121 20:35 RKY R-04 Toluene-d8 61 1 50.0 123 % 59-134 IB01003 EPA 8260D 02101121 20:35 RKY R-04 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 [7440-36-0]^ 3.51 ug/L 2 0.740 2.00 1A30003 EPA 6020B 02/04/21 12:20 RLF Arsenic [7440-38-2]^ 7.60 U ug/L 1 7.60 10.0 1A30002 EPA 6010D 02/02/21 11:07 JDH Barium [7440-39-3]^ 631 ug/L 1 1.10 10.0 1A30002 EPA 6010D 02/02/21 11:07 JDH Beryllium [7440-41-7]^ 0.160 U ug/L 1 0.160 1.00 1A30002 EPA 6010D 02/02/21 11:07 JDH Cadmium [7440-43-9]^ 0.360 U ug/L 1 0.360 1.00 1A30002 EPA 6010D 02/02/21 11:07 JDH Chromium [7440-47-3]^ 13.1 ug/L 1 1.40 10.0 1A30002 EPA 6010D 02/02/21 11:07 JDH Cobalt[7440-48-4]^ 6.71 J ug/L 1 1.40 10.0 1A30002 EPA 6010D 02/02/21 11:07 JDH Copper[7440-50-8]^ 1.60 u ug/L 1 1.60 10.0 1A30002 EPA 6010D 02/02/21 11:07 JDH Lead [7439-92-1]^ 3.10 u ug/L 1 3.10 10.0 1A30002 EPA 6010D 02/02/21 11:07 JDH Nickel[7440-02-O]^ 28.5 ug/L 1 2.20 10.0 1A30002 EPA 6010D 02/02/21 11:07 JDH Selenium [7782-49-2]^ 6.20 u ug/L 1 6.20 10.0 1A30002 EPA 6010D 02/02/21 11:07 JDH Silver [7440-22-4]^ 1.90 u ug/L 1 1.90 10.0 1A30002 EPA 6010D 02/02/21 11:07 JDH Thallium [7440-28-0]^ 0.220 u ug/L 2 0.220 2.00 1A30003 EPA 6020B 02/04/21 12:20 RLF Vanadium [7440-62-2]^ 7.58 J ug/L 1 1.40 10.0 1A30002 EPA 6010D 02/02/21 11:07 JDH Zinc[7440-66-6]^ 4.53 J ug/L 1 4.40 10.0 1A30002 EPA 6010D 02/02/21 11:07 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^ 36000 ug/L 1 2000 2000 1A28007 SM 5210 B-2011 01/28/21 11:13 JOC Chemical Oxygen Demand^ 450000 ug/L 1 10000 10000 1A29002 SM 5220D-2011 01/29/21 14:20 JOC Nitrate as N [14797-55-8] 0.061 J mg/L 1 0.041 0.10 [CALC] EPA 353.2 02/01/21 13:33 JAH Nitrate/Nitrite as N^ 61 J ug/L 1 41 100 1BO1005 EPA 353.2 02/01/21 13:33 JAH Nitrite as N [14797-65-0]^ 17 u ug/L 1 17 100 1A28036 EPA 353.2 01/28/21 16:54 JAH Phosphorus[7723-14-O]^ 400 ug/L 1 25 100 1B04005 EPA 365.4 02/05/21 11:50 JAH Sulfate as SO4 [14808-79-8]^ 4100 J ug/L 1 2900 5000 1B03023 EPA 300.0 02/03/21 15:25 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 19 (� �Eo www.encolabs.com ANALYTICAL RESULTS Description: 8003-Ll Lab Sample ID:CE00224-01 Received: 01/28/21 10:30 Matrix: Water Sampled:01/27/21 14:00 Work Order: CE00224 Project: Rowan County Landfill Leachate Sampled By: Darren Cox Volatile Organic Compounds by GCMS SIM Isotope Dilution A - ENCO Orlando certified analyte [NC 424] Analyte KAS Numberl Results Flaa Units DF MDL POLL Batch Method Analyzed AX Notes 1,4-Dioxane [123-91-1]^ 280 D ug/L 10 8.0 20 1B04022 EPA 8260D 02/04/21 14:44 KKW Surrogates Results DF Spike Lv/ % Rec % Rec Limits Batch Method Ana/vzed By Notes Toluene-d8 5.3 1 5.00 106 % 75-125 1BO4022 EPA 8260D 02104121 14:44 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 19 (� �Eo www.encolabs.com QUALITY CONTROL DATA Volatile Organic Compounds by GCMS - Quality Control Batch 1B01003 - EPA 5030E MS Blank (1B01003-BLKI) Prepared: 02/01/2021 08:12 Analyzed: 02/01/2021 12:32 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 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 Level Result %REC Limits RPD RPD Limit Notes 4-Bromofluorobenzene 42 u91L 50.0 85 53-136 Dibromofluoromethane 47 u91L 50.0 94 67-129 FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. Page 8 of 19 QUALITY CONTROL DATA Volatile Organic Compounds by GCMS - Quality Control Batch IB01003 - EPA 5030E MS - Continued (� �Eo www.encolabs.com Blank (SB01003-BLK1) Continued Prepared: 02/01/2021 08:12 Analyzed: 02/01/2021 12:32 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Toluene-d8 59 u91L 50.0 119 59-134 LCS (1B01003-BS1) Prepared: 02/01/2021 08:12 Analyzed: 02/01/2021 10:33 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes 1,1-Dichloroethene 22 1.0 ug/L 20.0 110 75-133 Benzene 20 1.0 ug/L 20.0 102 80-134 Chlorobenzene 18 1.0 ug/L 20.0 90 80-120 Toluene 19 1.0 ug/L 20.0 93 71-120 Trichloroethene 20 1.0 ug/L 20.0 101 74-120 Matrix Spike (1B01003-MS1) Prepared: 02/01/2021 08:12 Analyzed: 02/01/2021 11:03 Source: CE01306-03 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes 1,1-Dichloroethene 21 1.0 ug/L 20.0 0.21 U 107 75-133 Benzene 19 1.0 ug/L 20.0 0.15 U 96 80-134 Chlorobenzene 18 1.0 ug/L 20.0 0.17 U 92 80-120 Toluene 18 1.0 ug/L 20.0 0.14 U 91 71-120 Trichloroethene 20 1.0 ug/L 20.0 0.15 U 98 74-120 Matrix Spike Dup (1B03003-MSD1) Prepared: 02/01/2021 08:12 Analyzed: 02/01/2021 11:33 Source: CE01306-03 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes 1,1-Dichloroethene 23 1.0 ug/L 20.0 0.21 U 115 75-133 8 20 Benzene 20 1.0 ug/L 20.0 0.15 U 99 80-134 2 17 Chlorobenzene 19 1.0 ug/L 20.0 0.17 U 96 80-120 5 16 Toluene 19 1.0 ug/L 20.0 0.14 U 95 71-120 5 17 Trichloroethene 20 1.0 ug/L 20.0 0.15 U 98 74-120 0.2 22 Metals (total recoverable) by EPA 6000/7000 Series Methods - Quality Control Batch IA30002 - EPA 3005A Blank (1A30002-BLK1) Prepared: 01/30/2021 15:29 Analyzed: 02/02/2021 10:31 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 9 Of 19 (� �Eo www.encolabs.com QUALITY CONTROL DATA Metals (total recoverable) by EPA 6000/7000 Series Methods - Quality Control Batch IA30002 - EPA 3005A - Continued Blank (SA30002-BLK1) Continued Prepared: 01/30/2021 15:29 Analyzed: 02/02/2021 10:31 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 (1A30002-BLK2) Prepared: 01/30/2021 15:29 Analyzed: 02/02/2021 10:34 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 (3A30002-BSI) Prepared: 01/30/2021 15:29 Analyzed: 02/02/2021 10:39 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Arsenic 191 10.0 ug/L 200 95 80-120 Barium 203 10.0 ug/L 200 102 80-120 Beryllium 18.8 1.00 ug/L 20.0 94 80-120 Cadmium 20.0 1.00 ug/L 20.0 100 80-120 Chromium 196 10.0 ug/L 200 98 80-120 Cobalt 195 10.0 ug/L 200 97 80-120 Copper 194 10.0 ug/L 200 97 80-120 Lead 196 10.0 ug/L 200 98 80-120 Nickel 203 10.0 ug/L 200 101 80-120 Selenium 200 10.0 ug/L 200 100 80-120 Silver 209 10.0 ug/L 200 105 80-120 Vanadium 195 10.0 ug/L 200 97 80-120 Zinc 197 10.0 ug/L 200 98 80-120 Matrix Spike (1A30002-MS1) Prepared: 01/30/2021 15:29 Analyzed: 02/02/2021 10:43 Source: CE00636-01 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Arsenic 191 10.0 ug/L 200 7.60 U 95 75-125 Barium 219 10.0 ug/L 200 20.7 99 75-125 Beryllium 19.2 1.00 ug/L 20.0 0.160 U 96 75-125 Cadmium 19.5 1.00 ug/L 20.0 0.360 U 98 75-125 Chromium 200 10.0 ug/L 200 2.72 98 75-125 Cobalt 201 10.0 ug/L 200 1.40 U 100 75-125 Copper 197 10.0 ug/L 200 1.86 97 75-125 Lead 197 10.0 ug/L 200 3.10 U 98 75-125 Nickel 200 10.0 ug/L 200 2.20 U 100 75-125 FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. Page 10 Of 19 (� �Eo www.encolabs.com QUALITY CONTROL DATA Metals (total recoverable) by EPA 6000/7000 Series Methods - Quality Control Batch IA30002 - EPA 3005A - Continued Matrix Spike (1A30002-MS3) Continued Prepared: 01/30/2021 15:29 Analyzed: 02/02/2021 10:43 Source: CE00636-01 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Selenium 206 10.0 ug/L 200 6.20 U 103 75-125 Silver 209 10.0 ug/L 200 1.90 U 105 75-125 Vanadium 198 10.0 ug/L 200 1.40 U 99 75-125 Zinc 197 10.0 ug/L 200 4.40 U 99 75-125 Matrix Spike (1A30002-MS2) Prepared: 01/30/2021 15:29 Analyzed: 02/02/2021 10:54 Source: CD19988-01 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Arsenic 190 10.0 ug/L 200 7.60 U 95 75-125 Barium 309 10.0 ug/L 200 105 102 75-125 Beryllium 19.7 1.00 ug/L 20.0 0.160 U 98 75-125 Cadmium 19.8 1.00 ug/L 20.0 0.360 U 99 75-125 Chromium 202 10.0 ug/L 200 1.40 U 101 75-125 Cobalt 196 10.0 ug/L 200 1.40 U 98 75-125 Copper 198 10.0 ug/L 200 1.60 U 99 75-125 Lead 199 10.0 ug/L 200 3.10 U 100 75-125 Nickel 204 10.0 ug/L 200 2.20 U 102 75-125 Selenium 199 10.0 ug/L 200 6.20 U 100 75-125 Silver 214 10.0 ug/L 200 1.90 U 107 75-125 Vanadium 203 10.0 ug/L 200 1.40 U 101 75-125 Zinc 828 10.0 ug/L 200 649 90 75-125 Matrix Spike Dup (1A30002-MSD1) Prepared: 01/30/2021 15:29 Analyzed: 02/02/2021 10:45 Source: CE00636-01 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Arsenic 197 10.0 ug/L 200 7.60 U 98 75-125 3 20 Barium 225 10.0 ug/L 200 20.7 102 75-125 3 20 Beryllium 19.3 1.00 ug/L 20.0 0.160 U 96 75-125 0.06 20 Cadmium 20.1 1.00 ug/L 20.0 0.360 U 100 75-125 3 20 Chromium 201 10.0 ug/L 200 2.72 99 75-125 0.6 20 Cobalt 197 10.0 ug/L 200 1.40 U 99 75-125 2 20 Copper 198 10.0 ug/L 200 1.86 98 75-125 0.6 20 Lead 197 10.0 ug/L 200 3.10 U 99 75-125 0.2 20 Nickel 206 10.0 ug/L 200 2.20 U 103 75-125 3 20 Selenium 200 10.0 ug/L 200 6.20 U 100 75-125 3 20 Silver 210 10.0 ug/L 200 1.90 U 105 75-125 0.3 20 Vanadium 199 10.0 ug/L 200 1.40 U 99 75-125 0.5 20 Zinc 202 10.0 ug/L 200 4.40 U 101 75-125 2 20 Post Spike (SA30002-PS1) Prepared: 01/30/2021 15:29 Analyzed: 02/02/2021 10:47 Source: CE00636-01 Spike Analvte Result Flaq POL Units Level Arsenic 0.202 0.0100 mg/L 0.200 Barium 0.230 0.0100 mg/L 0.200 Beryllium 0.0201 0.00100 mg/L 0.0200 Cadmium 0.0209 0.00100 mg/L 0.0200 Chromium 0.208 0.0100 mg/L 0.200 Cobalt 0.203 0.0100 mg/L 0.200 Source Result 0.00533 0.0207 -3.25E-5 8.16E-5 0.00272 0.000754 %REC 98 105 101 104 103 101 %REC Limits RPD 80-120 80-120 80-120 80-120 80-120 80-120 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 11 Of 19 (� �Eo www.encolabs.com QUALITY CONTROL DATA Metals (total recoverable) by EPA 6000/7000 Series Methods - Quality Control Batch 1A30002 - EPA 3005A - Continued Post Spike (SA30002-PS3) Continued Prepared: 01/30/2021 15:29 Analyzed: 02/02/2021 10:47 Source: CE00636-01 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Copper 0.203 0.0100 mg/L 0.200 0.00186 101 80-120 Lead 0.202 0.0100 mg/L 0.200 -0.000738 101 80-120 Nickel 0.213 0.0100 mg/L 0.200 0.00183 105 80-120 Selenium 0.210 0.0100 mg/L 0.200 0.000436 105 80-120 Silver 0.218 0.0100 mg/L 0.200 -0.00122 109 80-120 Vanadium 0.204 0.0100 mg/L 0.200 0.00113 101 80-120 Zinc 0.208 0.0100 mg/L 0.200 0.00323 102 80-120 Batch IA30003 - EPA 3005A Blank (1A30003-BLK3) Prepared: 01/30/2021 15:46 Analyzed: 02/04/2021 11:15 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 (1A30003-BS1) Prepared: 01/30/2021 15:46 Analyzed: 02/04/2021 11:24 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 19.9 1.00 ug/L 20.0 99 80-120 Thallium 20.2 1.00 ug/L 20.0 101 80-120 Matrix Spike (1A30003-MS3) Prepared: 01/30/2021 15:46 Analyzed: 02/04/2021 11:28 Source: CE00223-01 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 Selenium 40.8 2.00 ug/L 40.0 1.82 U 102 75-125 Thallium 41.9 2.00 ug/L 40.0 0.220 U 105 75-125 Matrix Spike Dup (1A30003-MSD1) Prepared: 01/30/2021 15:46 Analyzed: 02/04/2021 11:32 Source: CE00223-01 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Antimony 41.1 2.00 ug/L 40.0 0.740 U 103 75-125 1 20 Selenium 41.4 2.00 ug/L 40.0 1.82 U 103 75-125 2 20 Thallium 42.5 2.00 ug/L 40.0 0.220 U 106 75-125 1 20 Post Spike (1A30003-PS3) Prepared: 01/30/2021 15:46 Analyzed: 02/04/2021 11:36 Source: CE00223-01 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Antimony 20.5 1.00 ug/L 20.0 -0.165 102 75-125 Selenium 20.4 1.00 ug/L 20.0 -0.0494 102 75-125 Thallium 20.9 1.00 ug/L 20.0 0.00223 104 75-125 Classical Chemistry Parameters - Quality Control Batch IA28007 - NO PREP FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 12 of 19 (� �Eo www.encolabs.com QUALITY CONTROL DATA Classical Chemistry Parameters - Quality Control Batch IA28007 - NO PREP - Continued Blank (1A28007-BLK3) Prepared & Analyzed: 01/28/2021 11:13 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 (1A28007-BS1) Prepared & Analyzed: 01/28/2021 11:13 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Biochemical Oxygen Demand 210000 2000 ug/L 198000 104 85-115 Duplicate (1A28007-DUPI) Prepared & Analyzed: 01/28/2021 11:13 Source: CD20824-01 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Biochemical Oxygen Demand 150000 2000 ug/L 150000 0.9 30 Batch IA28036 - NO PREP Blank (1A28036-BLK1) Prepared: 01/28/2021 15:20 Analyzed: 01/28/2021 16:53 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Nitrite as N 17 U 100 ug/L LCS (1A28036-BS1) Prepared: 01/28/2021 15:20 Analyzed: 01/28/2021 17:06 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Nitrite as N 1.0 0.10 mg/L 1.00 101 90-110 Matrix Spike (3A28036-MS3) Prepared: 01/28/2021 15:20 Analyzed: 01/28/2021 16:55 Source: CE00224-01 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Nitrite as N 880 100 ug/L 1000 17 U 88 90-110 QM-07 Matrix Spike Dup (3A28036-MSD1) Prepared: 01/28/2021 15:20 Analyzed: 01/28/2021 16:56 Source: CE00224-01 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Nitrite as N 890 100 ug/L 1000 17 U 89 90-110 1 10 QM-07 Batch IA29002 - Same Blank (1A29002-BLK3) Prepared: 01/29/2021 09:41 Analyzed: 01/29/2021 14:20 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 (3A29002-BSI) Prepared: 01/29/2021 09:41 Analyzed: 01/29/2021 14:20 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Chemical Oxygen Demand 520000 10000 ug/L 500000 103 90-110 FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 13 Of 19 (� �Eo www.encolabs.com QUALITY CONTROL DATA Classical Chemistry Parameters - Quality Control Batch 1A29002 - Same - Continued Matrix Spike (1A29002-MS1) Prepared: 01/29/2021 09:41 Analyzed: 01/29/2021 14:20 Source: CE00224-01 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Chemical Oxygen Demand 990000 10000 ug/L 526000 450000 102 90-110 Matrix Spike Dup (1A29002-MSD1) Prepared: 01/29/2021 09:41 Analyzed: 01/29/2021 14:20 Source: CE00224-01 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Chemical Oxygen Demand 970000 10000 ug/L 526000 450000 100 90-110 1 5 Batch 1BO1005 - NO PREP Blank (1B03005-BLK3) Prepared: 02/01/2021 08:28 Analyzed: 02/01/2021 13:09 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 (1B01005-BSI) Prepared: 02/01/2021 08:28 Analyzed: 02/01/2021 13:11 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 1.25 106 90-110 Matrix Spike (1B03005-MS3) Prepared: 02/01/2021 08:28 Analyzed: 02/01/2021 13:14 Source: CD20535-02 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Nitrate/Nitrite as N 6500 500 ug/L 2500 3800 107 90-110 Matrix Spike (1B03005-MS2) Prepared: 02/01/2021 08:28 Analyzed: 02/01/2021 13:20 Source: CD20535-04 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Nitrate/Nitrite as N 1800 200 ug/L 1000 250 158 90-110 QM-07 Matrix Spike Dup (1B01005-MSDI) Prepared: 02/01/2021 08:28 Analyzed: 02/01/2021 13:16 Source: CD20535-02 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Nitrate/Nitrite as N 6400 500 ug/L 2500 3800 104 90-110 1 10 Batch 1803023 - NO PREP Blank (1B03023-BLK3) Prepared: 02/03/2021 11:27 Analyzed: 02/03/2021 13:21 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Sulfate as SO4 2900 U 5000 ug/L LCS (1B03023-BSI) Prepared: 02/03/2021 11:27 Analyzed: 02/03/2021 13:39 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Sulfate as SO4 48000 5000 ug/L 50000 96 90-110 FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 14 Of 19 (� �Eo www.encolabs.com QUALITY CONTROL DATA Classical Chemistry Parameters - Quality Control Batch IB03023 - NO PREP - Continued Matrix Spike (1B03023-MS1) Prepared: 02/03/2021 11:27 Analyzed: 02/03/2021 14:14 Source: CE00223-01 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Sulfate as SO4 17000 5000 ug/L 20000 2900 U 84 90-110 QM-07 Matrix Spike Dup (1B03023-MSD1) Prepared: 02/03/2021 11:27 Analyzed: 02/03/2021 14:32 Source: CE00223-01 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Sulfate as SO4 17000 5000 ug/L 20000 2900 U 87 90-110 3 10 QM-07 Batch IBO4005 - Same Blank (lB04005-BLKI) Prepared: 02/04/2021 08:01 Analyzed: 02/05/2021 11:16 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Phosphorus 25 U 100 ug/L LCS (lB04005-BSI) Prepared: 02/04/2021 08:01 Analyzed: 02/05/2021 11:18 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Phosphorus 1600 100 ug/L 1600 99 80-120 Matrix Spike (1B04005-MS1) Prepared: 02/04/2021 08:01 Analyzed: 02/05/2021 11:20 Source: CD15610-01 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Phosphorus 630 100 ug/L 640 25 U 98 80-120 Matrix Spike Dup (1B04005-MSD1) Prepared: 02/04/2021 08:01 Analyzed: 02/05/2021 11:22 Source: CD15610-01 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes Phosphorus 540 100 ug/L 640 25 U 84 80-120 15 25 Volatile Organic Compounds by GCMS SIM Isotope Dilution - Quality Control Batch IB02019 - EPA 5030B MS Blank (1B02019-BLK3) Prepared: 02/02/2021 00:39 Analyzed: 02/02/2021 09:57 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-& 5.7 ug/L 5.00 115 75-125 LCS (lB02019-BSI) Prepared: 02/02/2021 00:39 Analyzed: 02/02/2021 09:32 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes 1,4-Dioxane 24 2.0 ug/L 25.0 97 80-133 Toluene-d8 5.7 ug/L 5.00 113 75-125 FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 15 Of 19 (� �Eo www.encolabs.com QUALITY CONTROL DATA Volatile Organic Compounds by GCMS SIM Isotope Dilution - Quality Control Batch IB02019 - EPA 5030E MS - Continued Matrix Spike (1B02019-MS1) Prepared: 02/02/2021 00:39 Analyzed: 02/02/2021 19:21 Source: AE00698-01 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes 1,4-Dioxane 35 2.0 ug/L 25.0 8.4 105 80-133 Toluene-d8 5.9 u91L 5.00 118 75-125 Matrix Spike Dup (1B02019-MSD1) Prepared: 02/02/2021 00:39 Analyzed: 02/02/2021 19:46 Source: AE00698-01 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes 1,4-Dioxane 32 2.0 ug/L 25.0 8.4 95 80-133 8 19 Toluene-d8 5.2 u91L 5.00 103 75-125 Batch IB04022 - EPA 5030E MS Blank (1B04022-BLK3) Prepared: 02/04/2021 00:00 Analyzed: 02/04/2021 10:26 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-d8 5.7 u91L 5.00 114 75-125 LCS (1B04022-BS1) Prepared: 02/04/2021 00:00 Analyzed: 02/04/2021 10:01 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 94 80-133 Toluene-d8 5.3 u91L 5.00 107 75-125 Matrix Spike (1B04022-MS1) Prepared: 02/04/2021 00:00 Analyzed: 02/04/2021 15:09 Source: AE00701-01 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes 1,4-Dioxane 28 2.0 ug/L 25.0 2.6 101 80-133 Toluene-d8 5.9 u91L 5.00 118 75-125 Matrix Spike Dup (1B04022-MSD1) Prepared: 02/04/2021 00:00 Analyzed: 02/04/2021 15:09 Source: AE00701-01 Spike Source %REC RPD Analvte Result Flaq POL Units Level Result %REC Limits RPD Limit Notes 1,4-Dioxane 28 2.0 ug/L 25.0 2.6 101 80-133 0 19 Toluene-d8 5.9 u91L 5.00 118 75-125 FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 16 Of J (� �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. 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. R-04 The Reporting Limits for this analysis are elevated due to sample foaming. FINAL This report relates only to the sample as received by the laboratory, and may only be reproduced in full. I Page 17 of 19 E M0 CC 0 0 w Ir 0 'O VJ M U LL 0 Z a U VJ w m O a Q O m J Z O R cc w U) Z O V J Z w 2 Z MO cc 7 Z w t 'D o ro C t .R N n m�� f- a a _ w U UJ LU mLU E N c tUJ y E j Q o ,7�11 a a c N m a O w C = m �M0y� � ejeMnS 0 d WV N m i) O m m W d'Z'£5£ XON i Q U m m m = ,$ Z aaZZSINS aoo N o a N h = UNNS }yam 0. ro o d U E E E 2 m N O cC r '� o al wis aomv' 6 xlpuoddv Gong V N p Utl ° m ` E m pp C m fi m m L � 1, a C-, W _ 15 ' U m p czs t t w Z Ilia m 'iEa �F Y $ Ct m y E ❑ c 1 ti po CV i E L o W Z m o N � E 3 . o cv IL m m LL cn O rti E 2 N N b N m p E m E m E m E Page 18 of JL 19 U 4 U r Ul u� v1 U- Sample Preservation Verification ENCO Cary N Work Order: CE00224 Project: Rowan County Landfill Leachate Client: Golder Associates, Inc. (GO007) Project #: 20140083.01 Logged In: 28-Jan-21 10:33 Logged By: Rachel Ann onish Preservation Check Performed By: ' /Vy Date/Time: � 2A t ` �1�- CE00224-01 Cont Type Pres (pH) pH Checked / Requirement In Control pH Adjusted Date/Time Adjusted Reagent Used/Comments C 250mLP+H2SO4 <2 ! N I NA Y N/ NA D 250mLP+HNO3 <2 Y N / NA Y ! N 1 Rea ent Name ID 5 2 pH Strip ID: PH Strips COF0555 Reagent Name ID 3 4 Rea ent Name ID 5 6 Page 19 of 19 C:Ielmnt\PnnLwvr,v—, ___ rpt WORK ORDER Printed: 1/29/2021 8:46:27AM CE00224 ENCO Cary Sample Receipt Conditions Client: Golder Associates, Inc. (G0007) Lab Project Mgr: Amanda L. Gaines Project: Rowan County Landfill Leachate Project Number: 20140083.100 PO #: Report To: Invoice To: Golder Associates, Inc. (G0007) Golder Associates, Inc. (G0007) Darren Cox Accounts Payable 5B Oak Branch Drive 5B Oak Branch Drive Greensboro, NC 27407 Greensboro, NC 27407 Phone: (336) 852-4903 Phone :(804) 358-7900 Fax: (336) 852-4904 Fax:804-358-2900 Received By: Rachel Ann Yonish Logged In By: Rachel Ann Yonish Date Received: 28-Jan-21 10:30 Date Logged In: 28-Jan-21 10:33 Work Order Comments: C-2011 received at 1.8°C Containers Intact Y Containers Properly Preserved Y Proper Containers Received Y All Samples in PreLog Received Y COC/Labels Agree Custody Seals Intact Y Volatile Containers Preserved Y Volatile Containers Headspace Free Y Aqueous Samples Checked for Residual Cl N Received On Ice Temperature Corrected Y Y Y Reviewed By Date Page 1 of 1 GOLDER ASSOCIATES NC, INC. QUALITY ASSURANCE & QUALITY CONTROL L LABORATORY DATA REVIEW Page 1 of 3 Project Name: Rowan County Active MSW Landfill - Leachate Project Reference Number: 20140083.100 Sampling Event Date: January 26-27, 2021 Review Date: February 15, 2021 Report #: CE00224 Initials: DC Review: RPK 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. 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 Method (see below for reference). GOLDER ASSOCIATES NC, INC. QUALITY ASSURANCE & QUALITY CONTROL LABORATORY DATA REVIEW Page 2 of 3 4 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 analysis 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 8260D Continuing Calibration Verification (CCV) exhibited a high bias for Bromochloromethane, trans-1,4-Dichloro-2-butene, and Vinyl acetate; however, these analytes were not detected in the associated samples. The spike recoveries for Nitrite, Nitrate/Nitrite, and Sulfate were outside control limits for the MS and/or MSD samples. The QC batches were approved based on acceptable LCS recovery of these analytes. 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. GOLDER ASSOCIATES NC, INC. QUALITY ASSURANCE & QUALITY CONTROL L LABORATORY DATA REVIEW Page 3 of 3 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. 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. ➢ All VOCs including 1,4-dioxane, Antimony, Thallium (10x) 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.: � GOLDER golder.com