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8001_RowanCountyMSWLF_GWMR_20171009
ANNUAL 2017 SAMPLING EVENT Closed Rowan County Landfill, Permit No. 80-01 Rowan County, North Carolina Submitted To: Rowan County Environmental Services 2727-D Old Concord Road, Salisbury, North Carolina 28146 Submitted By: Golder Associates NC, Inc. 5B Oak Branch Drive Greensboro, NC. 27407 USA September 2017 063-6572017.101 WATER QUALITY MONITORING REPORT Golder Associates NC, Inc. 5B Oak Branch Drive Greensboro, NC 27407 USA Tel: (336) 852-4903 Fax: (336) 852-4904 www.golder.com Golder Associates: Operations in Africa, Asia, Australasia, Europe, North America and South America October 9, 2017 063-6572017.101 Ms. Jackie Drummond, Hydrogeologist Department of Environment and Natural Resources 2090 US Highway 70 Swannanoa, North Carolina 28778 (828) 296-4706 RE: Water Quality Monitoring Report 2017 Annual Sampling Event Rowan County Closed Sanitary Landfill, Permit No. 80-01 Rowan County, North Carolina Dear Jackie: On behalf of Rowan County Environmental Services (Rowan County), Golder Associates NC, Inc. (Golder) is submitting this Water Quality Monitoring Report, which documents the results of the July 24 - 25, 2017, annual compliance monitoring event at the above-referenced facility. A site location map is included as Figure 1. Monitoring wells MW-1, MW-2, MW-3S, MW-3D, and MW-4 were purged and sampled on July 24 - 25, 2017; surface water monitoring points US-1 and DS-1 were also sampled on these dates. Figure 2 shows the approximate locations of these monitoring points. The field sampling logs for this event are included in this report. The samples were sent to Environmental Conservation Laboratories, Inc. in Cary, North Carolina (NC) and were analyzed for the NC Appendix I list of volatile organic compounds (VOCs) and eight Resource Conservation and Recovery Act (RCRA) metals. As presented on Tables 1, one RCRA metal (barium) was detected above the Solid Waste Section Limit (SWSL) in samples from one or more downgradient monitoring wells during the July 2017 annual water quality monitoring event. The barium concentrations were below the North Carolina (NC) Groundwater Quality (2L) Standard and generally consistent with historical results. Nine NC Appendix I volatile organic constituents (VOCs) were detected in samples from one or more compliance monitoring wells above their respective SWSLs during the July 2017 sampling event: benzene; chloroethane; 1,4-dichlorobenzene; 1,1-dichloroethane; 1,2-dichloroethane; 1chloromethane; tetrachloroethene; toluene; and vinyl chloride. Of these VOCs, the following constituents were detected above their respective NC 2L Standards: benzene (MW-2); 1,1-dichloroethane (MW-2); 1,2- dichloroethane (MW-2); chloromethane (MW-2); tetrachloroethene (MW-1); and vinyl chloride (MW-2). The July 2017 results are generally consistent with historical data. No inorganic or organic constituents were detected in samples from the surface water monitoring points above the applicable surface water standards or SWSLs during this event. In general, the detected constituents and concentrations from the July 2017 annual event are consistent with historical data. Based on these results, Rowan County Environmental Services will continue monitoring the annual water quality at this facility for NC Appendix I VOCs and RCRA metals. The next event is tentatively scheduled for July 2018. If you have any questions, please contact the undersigned at 336-852-4903. TABLES September 2017 1 of 8 063-6572017.101 G:\PROJECTS\Rowan\0636572017\Phase 101 Closed WQMR\600 Calculations\2017-08-08 Rowan Closed Tables.xlsx Arsenic ug/L 04/05/96 --10 ND ND ND ND ND ND NC 2L = 10 ug/L ug/L 10/04/96 --10 ND ND ND ND 58 ND EPA MCL = 10 ug/L ug/L 04/11/97 --5 ND ND ND ND 6 ND ug/L 10/22/97 --5 ND --5 ND 12 ND ug/L 04/24/98 --5 ND ND ND ND 5 ND ug/L 04/20/99 --50 ND ND ND ND ND ND ug/L 05/03/00 --10 ND ND ND ND ND ND ug/L 04/19/01 --10 ND ND ND ND 15 ND ug/L 04/25/02 --10 ND ND ND ND ND ND ug/L 06/04/03 --10 ND ND ND ND ND ND ug/L 05/25/04 --10 ND ND ND ND ND ND ug/L 05/24/05 --10 ND ND ND ND ND ND ug/L 09/27/06 --10 ND ND ND ND ND ND ug/L 07/13/07 --10 ND ND ND ND ND ND ug/L 07/31/08 --10 5.8 B ND ND 5.6 B 5.6 B 5.1 J ug/L 07/15/09 --10 4.60 B 8.11 B ND 4.22 B ND 3.39 J ug/L 07/22/10 --10 ND ND ND ND ND ND ug/L 07/18/11 --10 ND ND ND ND ND ND ug/L 07/17/12 --10 5.18 B ND ND 6.54 B 7.32 B 4.27 J ug/L 07/15/13 --10 ND ND ND ND ND ND ug/L 07/14/14 --10 ND ND ND ND ND ND ug/L 07/21/15 6.8 10 ND ND ND ND ND ND ug/L 08/04/16 6.8 10 ND ND ND ND ND ND ug/L 07/25/17 6.8 10 ND ND ND ND ND ND Barium ug/L 04/05/96 --500 ND ND ND ND ND ND NC 2L = 700 ug/L ug/L 10/04/96 --200 ND 220 347 202 2780 ND EPA MCL = 2000 ug/L ug/L 04/11/97 --10 41 190 87 97 350 ND ug/L 10/22/97 --10 34 --260 650 1100 ND ug/L 04/24/98 --10 45 220 200 940 460 ND ug/L 04/20/99 --1000 ND ND ND ND ND ND ug/L 05/03/00 --500 ND 500 ND ND ND ND ug/L 04/19/01 --500 ND ND ND ND 720 ND ug/L 04/25/02 --500 ND ND ND ND ND ND ug/L 06/04/03 --500 ND ND ND ND ND ND ug/L 05/25/04 --500 ND ND ND ND ND ND ug/L 05/24/05 --500 ND ND ND ND ND ND ug/L 09/27/06 --500 ND ND ND ND ND ND ug/L 07/13/07 --100 38.3 J 108 213 218 61.4 J ND ug/L 07/31/08 --100 61.1 J 132 248 275 84.5 J ND ug/L 07/15/09 --100 52.7 J 128 180 225 48.1 J ND ug/L 07/22/10 --100 67.8 J 129 202 193 48.5 J ND ug/L 07/18/11 --100 49.8 J 145 316 324 64.8 J ND ug/L 07/17/12 --100 46.0 J 152 265 296 49.9 J ND ug/L 07/15/13 --100 47.7 J 142 92.9 J 312 37.2 J 1.19 J ug/L 07/14/14 --100 47.8 J 119 261 260 31.6 J 1.06 J ug/L 07/21/15 1 100 47.1 J 102 405 391 31.1 J ND ug/L 08/04/16 1 100 59.8 J 121 288 350 34.6 J ND ug/L 07/25/17 1 100 43.3 J 120 187 418 26.8 J ND Cadmium ug/L 04/05/96 --500 ND ND ND ND ND ND NC 2L = 2 ug/L ug/L 10/04/96 --5 ND ND ND ND ND ND EPA MCL = 5 ug/L ug/L 04/11/97 --1 ND ND 4 2.6 ND ND ug/L 10/22/97 --1 ND --2 1 ND ND ug/L 04/24/98 --1 ND ND ND 2 ND ND ug/L 04/20/99 --5 ND ND ND ND ND ND ug/L 05/03/00 --1 2 12 6 6 5 ND ug/L 04/19/01 --1 ND ND 2 ND 1 ND ug/L 04/25/02 --10 ND ND ND ND ND ND ug/L 06/04/03 --1 ND ND ND ND ND ND ug/L 05/25/04 --1 ND ND ND ND ND ND ug/L 05/24/05 --1 ND ND ND ND ND ND ug/L 09/27/06 --1 ND ND ND ND ND ND ug/L 07/13/07 --1 ND ND ND ND ND ND ug/L 07/31/08 --1 ND ND ND ND ND 0.50 J ug/L 07/15/09 --1 0.374 B 0.450 B 0.450 B 0.378 B 0.321 B 0.109 J ug/L 07/22/10 --1 ND ND ND ND ND ND ug/L 07/18/11 --1 0.403 J ND ND ND ND ND ug/L 07/17/12 --1 ND ND ND ND ND ND ug/L 07/15/13 --1 ND ND ND ND ND ND ug/L 07/14/14 --1 ND ND ND ND ND ND ug/L 07/21/15 0.36 1 ND ND ND ND ND ND ug/L 08/04/16 0.36 1 ND ND ND ND ND ND ug/L 07/25/17 0.36 1 ND ND ND 1.83 ND ND Chromium ug/L 04/05/96 --10 ND ND ND 18 ND ND NC 2L = 10 ug/L ug/L 10/04/96 --10 ND 17.4 49.0 33.9 658 ND EPA MCL = 100 ug/L ug/L 04/11/97 --10 ND ND ND ND 91 ND ug/L 10/22/97 --10 ND --46 180 280 ND ug/L 04/24/98 --10 3 6 20 220 140 ND ug/L 04/20/99 --50 ND ND ND ND ND ND ug/L 05/03/00 --10 ND 68 28 36 43 ND ug/L 04/19/01 --10 10 12 21 18 140 ND ug/L 04/25/02 --10 ND ND 18 ND ND ND ug/L 06/04/03 --10 ND ND ND ND ND ND ug/L 05/25/04 --10 ND ND ND ND ND ND ug/L 05/24/05 --10 ND ND ND ND 36 ND ug/L 09/27/06 --10 ND ND ND ND ND ND ug/L 07/13/07 --10 1.7 J ND ND ND 5.1 J ND ug/L 07/31/08 --10 2.5 B ND ND 27.9 9.6 J 1.1 J ug/L 07/15/09 --10 1.39 J 1.12 J 7.27 J 3.44 J 3.60 J ND ug/L 07/22/10 --10 1.34 J 1.21 J 6.12 J 1.70 J 2.84 J ND ug/L 07/18/11 --10 ND 1.06 J ND ND 1.27 J ND ug/L 07/17/12 --10 ND 3.79 J ND ND 1.60 J ND ug/L 07/15/13 --10 1.70 B ND 10.4 ND 1.84 B 1.44 J ug/L 07/14/14 --10 ND 1.62 J 3.00 J ND ND ND ug/L 07/21/15 1.4 10 ND ND 3.54 J ND ND ND ug/L 08/04/16 1.4 10 ND ND ND ND 4.62 J ND ug/L 07/25/17 1.4 10 ND ND ND 1.66 J 1.89 J ND MW-1 MW-2 MW-3S Method Detection Limit MW-3D TABLE 1 SUMMARY OF DETECTED CONSTITUENTS IN GROUNDWATER ROWAN COUNTY CLOSED LANDFILL, PERMIT 80-01 SWS Reporting Limit Detected Monitoring Constituents/Analytes Sample DateUnits BlanksMW-4 September 2017 2 of 8 063-6572017.101 G:\PROJECTS\Rowan\0636572017\Phase 101 Closed WQMR\600 Calculations\2017-08-08 Rowan Closed Tables.xlsx MW-1 MW-2 MW-3S Method Detection Limit MW-3D TABLE 1 SUMMARY OF DETECTED CONSTITUENTS IN GROUNDWATER ROWAN COUNTY CLOSED LANDFILL, PERMIT 80-01 SWS Reporting Limit Detected Monitoring Constituents/Analytes Sample DateUnits BlanksMW-4 Lead ug/L 04/05/96 --10 ND ND ND ND ND ND NC 2L = 15 ug/L ug/L 10/04/96 --3 ND 15.2 8.13 3.57 116 ND EPA MCL = 15 ug/L ug/L 04/11/97 --5 ND 9 8 ND 21 ND ug/L 10/22/97 --5 ND --10 17 36 ND ug/l 04/24/98 --5 ND ND 6 23 14 ND ug/L 04/20/99 --15 ND ND ND ND ND ND ug/L 05/03/00 --10 ND 19 ND ND ND ND ug/L 04/19/01 --10 ND ND ND ND 10 ND ug/L 04/25/02 --10 ND ND ND ND ND ND ug/L 06/04/03 --10 ND ND ND ND ND ND ug/L 05/25/04 --10 ND ND ND ND ND ND ug/L 05/24/05 --10 ND ND ND ND ND ND ug/L 09/27/06 --10 ND ND ND ND ND ND ug/L 07/13/07 --10 ND ND ND ND ND ND ug/L 07/31/08 --10 ND ND ND 9.1 J 4.9 J ND ug/L 07/15/09 --10 ND 2.24 J 2.74 J ND ND ND ug/L 07/22/10 --10 ND ND ND ND ND ND ug/L 07/18/11 --10 ND ND ND ND ND ND ug/L 07/17/12 --10 ND ND ND ND ND ND ug/L 07/15/13 --10 ND ND ND ND ND ND ug/L 07/14/14 --10 ND ND ND ND ND ND ug/L 07/21/15 3.1 10 ND ND ND ND ND ND ug/L 08/04/16 3.1 10 ND ND ND ND ND ND ug/L 07/25/17 3.1 10 ND ND ND ND ND ND Mercury ug/L 04/05/96 --1 ND ND ND ND ND ND NC 2L = 1 ug/L ug/L 10/04/96 --0 ND ND ND ND 1.5 ND EPA MCL = 2 ug/L ug/L 04/11/97 --0.2 ND ND ND ND ND ND ug/L 10/22/97 --0.2 ND --ND ND 0.3 ND ug/L 04/24/98 --0 ND ND ND ND ND ND ug/L 04/20/99 --0 ND ND ND ND ND ND ug/L 05/03/00 --0 ND ND ND ND ND ND ug/L 04/19/01 --0 ND ND ND ND ND ND ug/L 04/25/02 --0.2 ND ND ND ND ND ND ug/L 06/04/03 --0.2 ND ND ND ND ND ND ug/L 05/25/04 --0.2 ND ND ND ND ND ND ug/L 05/24/05 --0.5 ND ND ND ND ND ND ug/L 09/27/06 --0.5 ND ND ND ND ND ND ug/L 07/13/07 --0.2 ND ND ND ND ND ND ug/L 07/31/08 --0.2 ND ND ND ND ND ND ug/L 07/15/09 --0.2 ND ND ND 0.119 J ND ND ug/L 07/22/10 --0.2 ND ND ND ND ND ND ug/L 07/18/11 --0.2 ND ND ND ND ND ND ug/L 07/17/12 --0.2 ND ND ND ND ND ND ug/L 07/15/13 --0.2 ND ND ND ND ND ND ug/L 07/14/14 --0 ND ND ND ND ND ND ug/L 07/21/15 0.17 0.2 ND ND ND ND ND ND ug/L 08/04/16 0.17 0.2 ND ND ND ND ND ND ug/L 07/25/17 0.099 0.2 ND ND ND ND ND ND Selenium ug/L 04/05/96 --5 ND ND ND ND ND ND NC 2L = 20 ug/L ug/L 10/04/96 --5 ND ND 5.77 ND 18.2 ND EPA MCL = 50 ug/L ug/L 04/11/97 --5 ND ND ND ND ND ND ug/L 10/22/97 --5 ND --ND ND ND ND ug/L 04/24/98 --5 ND ND ND ND ND ND ug/L 04/20/99 --10 ND ND ND ND ND ND ug/L 05/03/00 --20 ND ND ND ND ND ND ug/L 04/19/01 --20 ND ND ND ND ND ND ug/L 04/25/02 --20 ND ND ND ND ND ND ug/L 06/04/03 --20 ND ND ND ND ND ND ug/L 05/25/04 --20 ND ND ND ND ND ND ug/L 05/24/05 --20 ND ND ND ND ND ND ug/L 09/27/06 --20 ND ND ND ND ND ND ug/L 07/13/07 --10 ND ND ND ND ND ND ug/L 07/31/08 --10 ND ND ND ND ND ND ug/L 07/15/09 --10 ND ND ND ND ND ND ug/L 07/22/10 --10 ND ND ND ND ND ND ug/L 07/18/11 --10 ND ND ND ND ND 5.23 J ug/L 07/17/12 --10 ND ND ND ND ND ND ug/L 07/15/13 --10 ND ND ND ND ND ND ug/L 07/14/14 --10 ND ND ND ND ND ND ug/L 07/21/15 5 10 ND ND ND ND ND ND ug/L 08/04/16 5 10 ND ND ND ND ND ND ug/L 07/25/17 6.2 10 ND ND ND ND ND ND Silver ug/L 04/05/96 --10 ND ND ND ND ND ND NC 2L = 20 ug/L ug/L 10/04/96 --10 ND ND ND ND ND ND EPA MCL = 100 ug/L ug/L 04/11/97 --5 ND ND ND ND ND ND ug/L 10/22/97 --5 ND --ND ND ND ND ug/L 04/24/98 --2 ND ND ND ND ND ND ug/L 04/20/99 --18 ND ND ND ND ND ND ug/L 05/03/00 --10 ND ND ND ND ND ND ug/L 04/19/01 --10 ND ND ND ND ND ND ug/L 04/25/02 --10 ND ND ND ND ND ND ug/L 06/04/03 --10 ND ND ND ND ND ND ug/L 05/25/04 --10 ND ND ND ND ND ND ug/L 05/24/05 --10 ND ND ND ND ND ND ug/L 09/27/06 --10 ND ND ND ND ND ND ug/L 07/13/07 --10 ND ND ND ND ND ND ug/L 07/31/08 --10 3.9 J ND ND 3.6 J 2.9 J ND ug/L 07/15/09 --10 ND ND ND ND ND ND ug/L 07/22/10 --10 ND 2.02 J ND 2.13 J ND ND ug/L 07/18/11 --10 ND ND ND ND ND ND ug/L 07/17/12 --10 ND ND ND ND ND ND ug/L 07/15/13 --10 ND ND ND ND ND ND ug/L 07/14/14 --10 ND ND ND ND ND ND ug/L 07/21/15 1.9 10 ND ND ND ND ND ND ug/L 08/04/16 1.9 10 ND ND ND ND ND ND ug/L 07/25/17 1.9 10 ND 2.71 J ND 3.02 J ND ND September 2017 3 of 8 063-6572017.101 G:\PROJECTS\Rowan\0636572017\Phase 101 Closed WQMR\600 Calculations\2017-08-08 Rowan Closed Tables.xlsx MW-1 MW-2 MW-3S Method Detection Limit MW-3D TABLE 1 SUMMARY OF DETECTED CONSTITUENTS IN GROUNDWATER ROWAN COUNTY CLOSED LANDFILL, PERMIT 80-01 SWS Reporting Limit Detected Monitoring Constituents/Analytes Sample DateUnits BlanksMW-4 Acetone ug/L 04/05/96 ----ND ND ND ND ND ND NC 2L = 6000 ug/L ug/L 10/04/96 ----ND ND ND ND ND ND EPA MCL = NA ug/L 04/11/97 ----ND ND ND ND ND ND ug/L 10/22/97 ----ND ND ND ND ND ND ug/L 04/24/98 ----ND ND ND ND ND ND ug/L 04/20/99 ----ND ND ND ND ND ND ug/L 05/03/00 ----ND ND ND ND ND ND ug/L 04/19/01 ----ND ND ND ND ND ND ug/L 04/25/02 ----ND ND ND ND ND ND ug/L 06/04/03 ----ND ND ND ND ND ND ug/L 05/25/04 ----ND ND ND ND ND ND ug/L 05/24/05 --100 ND ND ND ND ND ND ug/L 09/27/06 --100 ND ND ND ND ND ND ug/L 07/13/07 --100 ND ND ND ND ND 1.5 J ug/L 07/31/08 --100 ND ND 2.1 J ND ND ND ug/L 07/15/09 --100 ND ND ND ND ND ND ug/L 07/22/10 --100 ND ND ND ND ND ND ug/L 07/18/11 --100 ND ND ND ND ND ND ug/L 07/17/12 --100 ND ND ND ND ND ND ug/L 07/15/13 --100 ND 11 J ND ND ND ND ug/L 07/14/14 --100 ND ND ND ND ND ND ug/L 07/21/15 1.2 100 ND 25 J ND ND ND ND ug/L 08/04/16 1.2 100 ND ND ND ND ND ND ug/L 07/25/17 10 100 ND 22 B ND ND ND 12 J Benzene ug/L 04/05/96 --5 ND ND ND ND ND ND NC 2L = 1 ug/L ug/L 10/04/96 --5 ND ND ND ND ND ND EPA MCL = 5 ug/L ug/L 04/11/97 --5 ND ND ND ND ND ND ug/L 10/22/97 --5 ND ND ND ND ND ND ug/L 04/24/98 --5 ND ND ND ND ND ND ug/L 04/20/99 --5 ND ND ND ND ND ND ug/L 05/03/00 --5 ND ND ND ND ND ND ug/L 04/19/01 --5 ND ND ND ND ND ND ug/L 04/25/02 --5 ND ND ND ND ND ND ug/L 06/04/03 --5 ND ND ND ND ND ND ug/L 05/25/04 --5 ND 3.8 J ND ND ND ND ug/L 05/24/05 --5 ND ND ND ND ND ND ug/L 09/27/06 --5 ND ND ND ND ND ND ug/L 07/13/07 --1 ND 3.2 ND ND ND ND ug/L 07/31/08 --1 ND 2.8 ND ND ND ND ug/L 07/15/09 --1 ND 3.3 ND ND ND ND ug/L 07/22/10 --1 ND 4.4 ND ND ND ND ug/L 07/18/11 --1 ND 3.7 ND ND ND ND ug/L 07/17/12 --1 ND 4.0 ND ND ND ND ug/L 07/15/13 --1 ND 5.0 ND ND ND ND ug/L 07/14/14 --1 ND 5.8 ND ND ND ND ug/L 07/21/15 0.15 1 ND 6.0 ND ND ND ND ug/L 08/04/16 0.15 1 ND 5.6 ND ND ND ND ug/L 07/25/17 0.15 1 ND 8.6 ND ND ND ND Bromoform ug/L 04/05/96 --ND ND ND ND ND ND NC 2L= 5 ug/L ug/L 10/04/96 --ND ND ND ND ND ND ug/L 04/11/97 --ND ND ND ND ND ND ug/L 10/22/97 --ND ND ND ND ND ND ug/L 04/22/98 --ND ND ND ND ND ND ug/L 04/20/99 --ND ND ND ND ND ND ug/L 05/03/00 --ND ND ND ND ND ND ug/L 04/19/01 --ND ND ND ND ND ND ug/L 04/25/02 --ND ND ND ND ND ND ug/L 06/04/03 --ND ND ND ND ND ND ug/L 05/25/04 --ND ND ND ND ND ND ug/L 05/24/05 --5 ND ND ND ND ND ND ug/L 09/27/06 --5 ND ND ND ND ND ND ug/L 07/13/07 --3 ND ND ND ND ND ND ug/L 07/31/08 --3 ND ND ND ND ND ND ug/L 07/15/09 --3 ND ND ND ND ND ND ug/L 07/22/10 --3 ND ND ND ND ND ND ug/L 07/18/11 --3 ND ND ND ND ND ND ug/L 07/17/12 --3 ND ND ND ND ND ND ug/L 07/15/13 --3 ND ND ND ND ND ND ug/L 07/14/14 --3 ND ND ND ND ND ND ug/L 07/21/15 0.22 3 ND ND ND ND ND ND ug/L 08/04/16 3 ND ND ND ND ND ND ug/L 07/25/17 0.22 3 ND 0.69 J ND ND ND ND Carbon disulfide ug/L 04/05/96 --100 ND ND ND ND ND ND NC 2L = 700 ug/L ug/L 10/04/96 --100 ND ND ND ND ND ND EPA MCL = NA ug/L 04/11/97 --5 6.0 ND ND ND ND ND ug/L 10/22/97 --5 6.1 --ND ND ND ND ug/L 04/22/98 --5 ND ND ND ND ND ND ug/L 04/20/99 --5 ND ND ND ND ND ND ug/L 05/03/00 --20 ND ND ND ND ND ND ug/L 04/19/01 --20 ND ND ND ND ND ND ug/L 04/25/02 --20 ND ND ND ND ND ND ug/L 06/04/03 --20 ND ND ND ND ND ND ug/L 05/25/04 --20 ND ND ND ND ND ND ug/L 05/24/05 --100 ND ND ND ND ND ND ug/L 09/27/06 --100 ND ND ND ND ND ND ug/L 07/13/07 --100 ND ND ND ND ND ND ug/L 07/31/08 --100 ND ND ND ND ND ND ug/L 07/15/09 --100 ND ND ND ND ND ND ug/L 07/22/10 --100 ND ND ND ND ND ND ug/L 07/18/11 --100 ND ND ND ND ND ND ug/L 07/17/12 --100 ND ND ND ND ND ND ug/L 07/15/13 --100 ND ND ND ND ND ND ug/L 07/14/14 --100 ND ND ND ND ND ND ug/L 07/21/15 1.5 100 ND ND ND ND ND ND ug/L 08/04/16 1.5 100 ND ND ND ND ND ND ug/L 07/25/17 1.5 100 ND ND ND ND ND ND September 2017 4 of 8 063-6572017.101 G:\PROJECTS\Rowan\0636572017\Phase 101 Closed WQMR\600 Calculations\2017-08-08 Rowan Closed Tables.xlsx MW-1 MW-2 MW-3S Method Detection Limit MW-3D TABLE 1 SUMMARY OF DETECTED CONSTITUENTS IN GROUNDWATER ROWAN COUNTY CLOSED LANDFILL, PERMIT 80-01 SWS Reporting Limit Detected Monitoring Constituents/Analytes Sample DateUnits BlanksMW-4 Chlorobenzene ug/L 04/05/96 ----ND ND ND ND ND ND NC 2L = 50 ug/L ug/L 10/04/96 ----ND ND ND ND ND ND EPA MCL = 100 ug/L ug/L 04/11/97 ----ND ND ND ND ND ND ug/L 10/22/97 ----ND ND ND ND ND ND ug/L 04/22/98 ----ND ND ND ND ND ND ug/L 04/20/99 ----ND ND ND ND ND ND ug/L 05/03/00 ----ND ND ND ND ND ND ug/L 04/19/01 ----ND ND ND ND ND ND ug/L 04/25/02 ----ND ND ND ND ND ND ug/L 06/04/03 ----ND ND ND ND ND ND ug/L 05/25/04 ----ND ND ND ND ND ND ug/L 05/24/05 --5 ND ND ND ND ND ND ug/L 09/27/06 --5 ND ND ND ND ND ND ug/L 07/13/07 --3 ND 0.36 J ND ND ND ND ug/L 07/31/08 --3 ND 1.4 J ND ND ND ND ug/L 07/15/09 --3 ND 0.58 J ND ND ND ND ug/L 07/22/10 --3 ND 0.86 J ND ND ND ND ug/L 07/18/11 --3 ND 0.95 J ND ND ND ND ug/L 07/17/12 --3 ND 0.91 J 0.45 J 0.46 J ND ND ug/L 07/15/13 --3 ND 1.0 J ND 0.63 J ND ND ug/L 07/14/14 --3 ND 1.2 J 0.53 J 0.48 J ND ND ug/L 07/21/15 0.17 3 ND 0.94 J 1.4 J 1.4 J ND ND ug/L 08/04/16 0.17 3 ND 0.80 J ND 0.44 J ND ND ug/L 07/25/17 0.17 3 ND 1.1 J ND 0.51 J ND ND Chloroethane ug/L 04/05/96 --10 ND ND ND ND ND ND NC 2L = 3000 ug/L ug/L 10/04/96 --10 ND ND ND ND ND ND EPA MCL = NA ug/L 04/11/97 --10 ND ND ND ND ND ND ug/L 10/22/97 --10 ND --ND ND ND ND ug/L 04/22/98 --10 ND ND ND ND ND ND ug/L 04/20/99 --10 ND ND ND ND ND ND ug/L 05/03/00 --10 ND ND ND ND ND ND ug/L 04/19/01 --10 ND ND ND ND ND ND ug/L 04/25/02 --10 ND ND ND ND ND ND ug/L 06/04/03 --10 ND ND ND ND ND ND ug/L 05/25/04 --10 ND 6.6 J ND ND ND ND ug/L 05/24/05 --10 ND ND ND ND ND ND ug/L 09/27/06 --10 ND 23.8 J ND ND ND ND ug/L 07/13/07 --10 ND 38 J ND ND ND ND ug/L 07/31/08 --10 ND 100 J ND ND ND ND ug/L 07/15/09 --10 ND 46 J ND ND ND ND ug/L 07/22/10 --10 ND 81 J 0.70 J 0.68 J ND ND ug/L 07/18/11 --10 ND 67 ND ND ND ND ug/L 07/17/12 --10 ND 84 0.82 J ND ND ND ug/L 07/15/13 --10 ND 89 ND ND ND ND ug/L 07/14/14 --10 ND 110 ND ND ND ND ug/L 07/21/15 0.23 10 ND 90 ND ND ND ND ug/L 08/04/16 0.23 10 ND 87 ND ND ND ND ug/L 07/25/17 0.23 10 ND 110 ND ND ND ND 1,2-Dichlorobenzene ug/L 04/05/96 ----ND ND ND ND ND ND NC 2L = 20 ug/L ug/L 10/04/96 ----ND ND ND ND ND ND EPA MCL = 600 ug/L ug/L 04/11/97 ----ND ND ND ND ND ND ug/L 10/22/97 ----ND ND ND ND ND ND ug/L 04/22/98 ----ND ND ND ND ND ND ug/L 04/20/99 ----ND ND ND ND ND ND ug/L 05/03/00 ----ND ND ND ND ND ND ug/L 04/19/01 ----ND ND ND ND ND ND ug/L 04/25/02 ----ND ND ND ND ND ND ug/L 06/04/03 ----ND ND ND ND ND ND ug/L 05/25/04 ----ND ND ND ND ND ND ug/L 05/24/05 --5 ND ND ND ND ND ND ug/L 09/27/06 --5 ND ND ND ND ND ND ug/L 07/13/07 --5 ND ND ND ND ND ND ug/L 07/31/08 --5 ND ND ND ND ND ND ug/L 07/15/09 --5 ND ND ND ND ND ND ug/L 07/22/10 --5 ND ND ND ND ND ND ug/L 07/18/11 --5 ND ND ND ND ND ND ug/L 07/17/12 --5 ND ND ND ND ND ND ug/L 07/15/13 --5 ND 0.41 J ND ND ND ND ug/L 07/14/14 --5 ND 0.43 J ND ND ND ND ug/L 07/21/15 0.19 5 ND 0.44 J ND ND ND ND ug/L 08/04/16 0.19 5 ND 0.42 J ND ND ND ND ug/L 07/25/17 0.19 5 ND 0.56 J ND ND ND ND 1,4-Dichlorobenzene ug/L 04/05/96 ----ND ND ND ND ND ND NC 2L = 6 ug/L ug/L 10/04/96 ----ND ND ND ND ND ND EPA MCL = 75 ug/L ug/L 04/11/97 ----ND ND ND ND ND ND ug/L 10/22/97 ----ND ND ND ND ND ND ug/L 04/22/98 ----ND ND ND ND ND ND ug/L 04/20/99 ----ND ND ND ND ND ND ug/L 05/03/00 ----ND ND ND ND ND ND ug/L 04/19/01 ----ND ND ND ND ND ND ug/L 04/25/02 ----ND ND ND ND ND ND ug/L 06/04/03 ----ND ND ND ND ND ND ug/L 05/25/04 ----ND ND ND ND ND ND ug/L 05/24/05 --5 ND ND ND ND ND ND ug/L 09/27/06 --5 ND ND ND ND ND ND ug/L 07/13/07 --1 ND 2.3 0.34 J 0.35 J ND ND ug/L 07/31/08 --1 ND 2.5 ND ND ND ND ug/L 07/15/09 --1 ND 3.0 ND ND ND ND ug/L 07/22/10 --1 ND 3.7 ND ND ND ND ug/L 07/18/11 --1 ND 3.9 ND ND ND ND ug/L 07/17/12 --1 ND 3.4 0.51 J ND ND ND ug/L 07/15/13 --1 ND 3.0 ND 0.61 J ND ND ug/L 07/14/14 --1 ND 3.7 0.46 J 0.52 J ND ND ug/L 07/21/15 0.19 1 ND 2.7 1.1 1.1 ND ND ug/L 08/04/16 0.19 1 ND 2.2 ND 0.55 J ND ND ug/L 07/25/17 0.19 1 ND 2.7 ND ND ND ND September 2017 5 of 8 063-6572017.101 G:\PROJECTS\Rowan\0636572017\Phase 101 Closed WQMR\600 Calculations\2017-08-08 Rowan Closed Tables.xlsx MW-1 MW-2 MW-3S Method Detection Limit MW-3D TABLE 1 SUMMARY OF DETECTED CONSTITUENTS IN GROUNDWATER ROWAN COUNTY CLOSED LANDFILL, PERMIT 80-01 SWS Reporting Limit Detected Monitoring Constituents/Analytes Sample DateUnits BlanksMW-4 1,1-Dichloroethane ug/L 04/05/96 --5 ND 10 ND ND ND ND NC 2L = 6 ug/L ug/L 10/04/96 --5 ND 33 ND ND ND ND EPA MCL = NA ug/L 04/11/97 --5 ND ND ND ND ND ND ug/L 10/22/97 --5 ND --ND ND ND ND ug/L 04/24/98 --5 5.9 53 ND ND ND ND ug/L 04/20/99 --5 ND ND ND ND ND ND ug/L 05/03/00 --5 ND 68 ND ND ND ND ug/L 04/19/01 --5 ND 72 ND ND ND ND ug/L 04/25/02 --5 ND 95 ND ND ND ND ug/L 06/04/03 --5 ND ND ND ND ND ND ug/L 05/25/04 --5 ND 72 4.5 J 6.0 ND ND ug/L 05/24/05 --5 ND 54 ND 5.4 ND ND ug/L 09/27/06 --5 ND 29.4 ND 5.4 ND ND ug/L 07/13/07 --5 1.2 J 18 5.4 5.1 ND ND ug/L 07/31/08 --5 0.53 J 31 3.0 J 1.1 J ND ND ug/L 07/15/09 --5 0.83 J 33 2.2 J 4.2 J ND ND ug/L 07/22/10 --5 0.97 J 16 3.7 J 4.1 J ND ND ug/L 07/18/11 --5 1.5 J 10 4.8 J 4.8 J ND ND ug/L 07/17/12 --5 1.6 J 2.8 J 4.3 J 4.0 J ND ND ug/L 07/15/13 --5 1.5 J 4.8 J ND 4.6 J ND ND ug/L 07/14/14 --5 ND 2.6 J 3.8 J 3.4 J ND ND ug/L 07/21/15 0.13 5 1.6 J 7.2 3.1 J 4.7 J ND ND ug/L 08/04/16 0.13 5 2.1 J 7.2 ND 1.5 J ND ND ug/L 07/25/17 0.13 5 1.9 J 7.8 ND 2.3 J ND ND 1,2-Dichloroethane ug/L 04/05/96 --5 ND ND ND ND ND ND NC 2L = 0.4 ug/L ug/L 10/04/96 --5 ND ND ND ND ND ND EPA MCL = 5 ug/L ug/L 04/11/97 --5 ND ND ND ND ND ND ug/L 10/22/97 --5 ND --ND ND ND ND ug/L 04/24/98 --5 ND 9.3 ND ND ND ND ug/L 04/20/99 --5 ND ND ND ND ND ND ug/L 05/03/00 --5 ND 14 ND ND ND ND ug/L 04/19/01 --5 ND 19 ND ND ND ND ug/L 04/25/02 --5 ND 24 ND ND ND ND ug/L 06/04/03 --5 ND ND ND ND ND ND ug/L 05/25/04 --5 ND 22 ND ND ND ND ug/L 05/24/05 --5 ND 14 ND ND ND ND ug/L 09/27/06 --5 ND 49.3 ND ND ND ND ug/L 07/13/07 --1 ND 18 ND ND ND ND ug/L 07/31/08 --1 ND 42 ND ND ND ND ug/L 07/15/09 --1 ND 23 ND 0.77 J ND ND ug/L 07/22/10 --1 ND 14 0.71 J 0.71 J ND ND ug/L 07/18/11 --1 ND 17 0.90 J 0.75 J ND ND ug/L 07/17/12 --1 ND 5.0 0.82 J 0.79 J ND ND ug/L 07/15/13 --1 ND 4.4 ND 0.89 J ND ND ug/L 07/14/14 --1 ND ND ND ND ND ND ug/L 07/21/15 0.21 1 ND ND ND ND ND ND ug/L 08/04/16 0.21 1 ND 1.2 ND ND ND ND ug/L 07/25/17 0.21 1 ND 1.5 ND ND ND ND cis-1,2-Dichloroethene ug/L 04/05/96 ----ND ND ND ND ND ND NC 2L = 70 ug/L ug/L 10/04/96 ----ND ND ND ND ND ND EPA MCL = 70 ug/L ug/L 04/11/97 ----ND ND ND ND ND ND ug/L 10/22/97 ----ND ND ND ND ND ND ug/L 04/22/98 ----ND ND ND ND ND ND ug/L 04/20/99 ----ND ND ND ND ND ND ug/L 05/03/00 ----ND ND ND ND ND ND ug/L 04/19/01 ----ND ND ND ND ND ND ug/L 04/25/02 ----ND ND ND ND ND ND ug/L 06/04/03 ----ND ND ND ND ND ND ug/L 05/25/04 ----ND ND ND ND ND ND ug/L 05/24/05 --5 ND ND ND ND ND ND ug/L 09/27/06 --5 ND ND ND ND ND ND ug/L 07/13/07 --5 ND 0.59 J 0.56 J 0.54 J ND ND ug/L 07/31/08 --5 ND 0.72 J ND ND ND ND ug/L 07/15/09 --5 ND 0.51 J ND ND ND ND ug/L 07/22/10 --5 ND ND 0.42 J 0.46 J ND ND ug/L 07/18/11 --5 ND ND ND ND ND ND ug/L 07/17/12 --5 ND ND 0.44 J 0.49 J ND ND ug/L 07/15/13 --5 ND ND ND ND ND ND ug/L 07/14/14 --5 ND ND ND ND ND ND ug/L 07/21/15 0.15 5 ND ND 0.40 J 0.49 J ND ND ug/L 08/04/16 0.15 5 ND ND ND ND ND ND ug/L 07/25/17 0.15 5 ND ND ND ND ND ND Ethylbenzene ug/L 04/05/96 ----ND ND ND ND ND ND NC 2L=550 ug/L ug/L 10/04/96 ----ND ND ND ND ND ND ug/L 04/11/97 ----ND ND ND ND ND ND ug/L 10/22/97 ----ND ND ND ND ND ND ug/L 04/22/98 ----ND ND ND ND ND ND ug/L 04/20/99 ----ND ND ND ND ND ND ug/L 05/03/00 ----ND ND ND ND ND ND ug/L 04/19/01 ----ND ND ND ND ND ND ug/L 04/25/02 ----ND ND ND ND ND ND ug/L 06/04/03 ----ND ND ND ND ND ND ug/L 05/25/04 ----ND ND ND ND ND ND ug/L 05/24/05 --5 ND ND ND ND ND ND ug/L 09/27/06 --5 ND ND ND ND ND ND ug/L 07/13/07 --1 ND ND ND ND ND ND ug/L 07/31/08 --1 ND ND ND ND ND ND ug/L 07/15/09 --1 ND ND ND ND ND ND ug/L 07/22/10 --1 ND ND ND ND ND ND ug/L 07/18/11 --1 ND ND ND ND ND ND ug/L 07/17/12 --1 ND ND ND ND ND ND ug/L 07/15/13 --1 ND ND ND ND ND ND ug/L 07/14/14 --1 ND ND ND ND ND ND ug/L 07/21/15 0.13 1 ND 0.61 J ND ND ND ND ug/L 08/04/16 0.13 1 ND ND ND ND ND ND ug/L 07/25/17 0.13 1 ND 0.47 J ND ND ND ND September 2017 6 of 8 063-6572017.101 G:\PROJECTS\Rowan\0636572017\Phase 101 Closed WQMR\600 Calculations\2017-08-08 Rowan Closed Tables.xlsx MW-1 MW-2 MW-3S Method Detection Limit MW-3D TABLE 1 SUMMARY OF DETECTED CONSTITUENTS IN GROUNDWATER ROWAN COUNTY CLOSED LANDFILL, PERMIT 80-01 SWS Reporting Limit Detected Monitoring Constituents/Analytes Sample DateUnits BlanksMW-4 Chloromethane ug/L 07/13/07 --1 ND ND ND ND ND ND NC 2L = 3 ug/L ug/L 07/31/08 --1 ND ND ND ND ND ND EPA MCL = NA ug/L 07/15/09 --1 ND 0.60 J ND ND ND ND ug/L 07/22/10 --1 ND 1.2 ND ND ND ND ug/L 07/18/11 --1 ND 1.1 ND ND ND ND ug/L 07/17/12 --1 ND 2.1 ND ND ND ND ug/L 07/15/13 --1 ND 3.5 ND ND ND ND ug/L 07/14/14 --1 ND 8.8 ND ND ND ND ug/L 07/21/15 0.13 1 ND 7.5 ND ND ND ND ug/L 08/04/16 0.13 1 ND 6.1 ND ND ND ND ug/L 07/25/17 0.13 1 ND 5.0 ND ND ND ND Methylene chloride ug/L 04/05/96 --10 ND ND ND ND ND ND NC 2L = 5 ug/L ug/L 10/04/96 --10 ND ND ND ND ND ND EPA MCL = 5 ug/L ug/L 04/11/97 --10 ND ND ND ND ND ND ug/L 10/22/97 --10 ND --ND ND ND ND ug/L 04/24/98 --5 ND 6 ND ND ND ND ug/L 04/20/99 --5 ND ND ND ND ND ND ug/L 05/03/00 --5 ND ND ND ND ND ND ug/L 04/19/01 --5 ND ND ND ND ND ND ug/L 04/25/02 --5 ND ND ND ND ND ND ug/L 06/04/03 --5 ND ND ND ND ND ND ug/L 05/25/04 --5 ND ND ND ND ND ND ug/L 05/24/05 --10 ND ND ND ND ND ND ug/L 09/27/06 --10 ND ND ND ND ND ND ug/L 07/13/07 --1 ND ND ND ND ND ND ug/L 07/31/08 --1 ND ND ND ND ND ND ug/L 07/15/09 --1 ND ND ND ND ND ND ug/L 07/22/10 --1 ND 1.2 ND ND ND ND ug/L 07/18/11 --1 ND 1.5 ND ND ND ND ug/L 07/17/12 --1 ND ND ND ND ND ND ug/L 07/15/13 --1 ND ND ND ND ND ND ug/L 07/14/14 --1 ND 2.5 ND ND ND ND ug/L 07/21/15 0.23 1 ND 2.2 ND ND ND ND ug/L 08/04/16 0.23 1 ND 2.5 ND ND ND ND ug/L 07/25/17 0.23 1 ND 0.80 J ND ND ND ND 2-Butanone ug/L 04/05/96 --50 ND ND ND ND ND ND NC 2L = 4000 ug/L ug/L 10/04/96 --50 ND ND ND ND ND ND EPA MCL = NA ug/L 04/11/97 --50 ND ND ND ND ND ND ug/L 10/22/97 --50 ND ND ND ND ND ND ug/L 04/24/98 --50 ND ND ND ND ND ND ug/L 04/20/99 --50 ND ND ND ND ND ND ug/L 05/03/00 --50 ND ND ND ND ND ND ug/L 04/19/01 --50 ND ND ND ND ND ND ug/L 04/25/02 --50 ND ND ND ND ND ND ug/L 06/04/03 --50 ND ND ND ND ND ND ug/L 05/25/04 --50 ND 110 ND ND ND ND ug/L 05/24/05 --50 ND ND ND ND ND ND ug/L 09/27/06 --50 ND ND ND ND ND ND ug/L 07/13/07 --100 ND ND ND ND ND ND ug/L 07/31/08 --100 ND ND ND ND ND ND ug/L 07/15/09 --100 ND ND ND ND ND ND ug/L 07/22/10 --100 ND ND ND ND ND ND ug/L 07/18/11 --100 ND ND ND ND ND ND ug/L 07/17/12 --100 ND ND ND ND ND ND ug/L 07/15/13 --100 ND ND ND ND ND ND ug/L 07/14/14 --100 ND ND ND ND ND ND ug/L 07/21/15 1.3 100 ND 11 J ND ND ND ND ug/L 08/04/16 1.3 100 ND ND ND ND ND ND ug/L 07/25/17 1.3 100 ND 2.2 J ND ND ND ND 4-Methyl-2-pentanone ug/L 04/05/96 ----ND ND ND ND ND ND GPS = 560 ug/L ug/L 10/04/96 ----ND ND ND ND ND ND EPA MCL = 5 ug/L ug/L 04/11/97 ----ND ND ND ND ND ND ug/L 10/22/97 ----ND ND ND ND ND ND ug/L 04/24/98 ----ND ND ND ND ND ND ug/L 04/20/99 ----ND ND ND ND ND ND ug/L 05/03/00 ----ND ND ND ND ND ND ug/L 04/19/01 ----ND ND ND ND ND ND ug/L 04/25/02 ----ND ND ND ND ND ND ug/L 06/04/03 ----ND ND ND ND ND ND ug/L 05/25/04 ----ND ND ND ND ND ND ug/L 05/24/05 --100 ND ND ND ND ND ND ug/L 09/27/06 --100 ND ND ND ND ND ND ug/L 07/13/07 --100 ND ND ND ND ND ND ug/L 07/31/08 --100 ND ND ND ND ND ND ug/L 07/15/09 --100 ND ND ND ND ND ND ug/L 07/22/10 --100 ND ND ND ND ND ND ug/L 07/18/11 --100 ND ND ND ND ND ND ug/L 07/17/12 --100 ND ND ND ND ND ND ug/L 07/15/13 --100 ND ND ND ND ND ND ug/L 07/14/14 --100 ND 1.8 J ND ND ND ND ug/L 07/21/15 1.1 100 ND 7.1 J ND ND ND ND ug/L 08/04/16 1.1 100 ND ND ND ND ND ND ug/L 07/25/17 1.1 100 ND 4.2 J ND ND ND ND Tetrachloroethene ug/L 04/05/96 --5 ND ND ND ND ND ND NC 2L = 0.7 ug/L ug/L 10/04/96 --5 ND ND ND ND ND ND EPA MCL = 5 ug/L ug/L 04/11/97 --5 ND ND ND ND ND ND ug/L 10/22/97 --5 ND --ND ND ND ND ug/L 04/24/98 --5 ND 110 ND ND ND ND ug/L 04/20/99 --5 ND ND ND ND ND ND ug/L 05/03/00 --5 ND ND ND ND ND ND ug/L 04/19/01 --5 8.0 ND ND ND ND ND ug/L 04/25/02 --5 8.1 ND ND ND ND ND ug/L 06/04/03 --5 6.3 ND ND ND ND ND ug/L 05/25/04 --5 8.1 ND ND ND ND ND ug/L 05/24/05 --5 7.1 ND ND ND ND ND ug/L 09/27/06 --5 12.7 ND ND ND ND ND ug/L 07/13/07 --1 6.2 ND 0.46 J 0.56 J ND ND ug/L 07/31/08 --1 4.4 ND ND ND ND ND ug/L 07/15/09 --1 4.3 ND ND ND ND ND ug/L 07/22/10 --1 4.2 ND ND ND ND ND ug/L 07/18/11 --1 5.6 ND ND ND ND ND ug/L 07/17/12 --1 4.1 ND ND ND ND ND ug/L 07/15/13 --1 3.8 ND ND ND ND ND ug/L 07/14/14 --1 2.7 ND ND ND ND ND ug/L 07/21/15 0.17 1 2.8 ND ND ND ND ND ug/L 08/04/16 0.17 1 2.9 ND ND ND ND ND ug/L 07/25/17 0.17 1 2.3 ND ND ND ND ND September 2017 7 of 8 063-6572017.101 G:\PROJECTS\Rowan\0636572017\Phase 101 Closed WQMR\600 Calculations\2017-08-08 Rowan Closed Tables.xlsx MW-1 MW-2 MW-3S Method Detection Limit MW-3D TABLE 1 SUMMARY OF DETECTED CONSTITUENTS IN GROUNDWATER ROWAN COUNTY CLOSED LANDFILL, PERMIT 80-01 SWS Reporting Limit Detected Monitoring Constituents/Analytes Sample DateUnits BlanksMW-4 Toluene ug/L 04/05/96 ----ND ND ND ND ND ND NC 2L = 600 ug/L ug/L 10/04/96 ----ND ND ND ND ND ND EPA MCL = 1000 ug/L ug/L 04/11/97 ----ND ND ND ND ND ND ug/L 10/22/97 ----ND ND ND ND ND ND ug/L 04/24/98 ----ND ND ND ND ND ND ug/L 04/20/99 ----ND ND ND ND ND ND ug/L 05/03/00 ----ND ND ND ND ND ND ug/L 04/19/01 ----ND ND ND ND ND ND ug/L 04/25/02 ----ND ND ND ND ND ND ug/L 06/04/03 ----ND ND ND ND ND ND ug/L 05/25/04 ----ND ND ND ND ND ND ug/L 05/24/05 --5 ND ND ND ND ND ND ug/L 09/27/06 --5 ND ND ND ND ND ND ug/L 07/13/07 --1 ND ND ND ND ND 0.64 J ug/L 07/31/08 --1 ND ND ND ND ND ND ug/L 07/15/09 --1 ND ND ND ND ND ND ug/L 07/22/10 --1 ND ND ND ND ND ND ug/L 07/18/11 --1 ND ND ND ND ND ND ug/L 07/17/12 --1 ND 0.62 J ND ND ND ND ug/L 07/15/13 --1 ND 2.2 ND ND ND ND ug/L 07/14/14 --1 ND 3.6 ND ND ND ND ug/L 07/21/15 0.14 1 ND 3.6 ND ND ND ND ug/L 08/04/16 0.14 1 ND 2.8 22 ND ND ND ug/L 07/25/17 0.14 1 ND 3.8 15 ND ND ND 1,1,1-Trichloroethane ug/L 04/05/96 --5 7.5 ND ND ND ND ND NC 2L = 200 ug/L ug/L 10/04/96 --5 5.5 ND ND ND ND ND EPA MCL = 200 ug/L ug/L 04/11/97 --5 ND ND ND ND ND ND ug/L 10/22/97 --5 ND --ND ND ND ND ug/L 04/24/98 --5 ND ND ND ND ND ND ug/L 04/20/99 --5 ND ND ND ND ND ND ug/L 05/03/00 --5 ND ND ND ND ND ND ug/L 04/19/01 --5 ND ND ND ND ND ND ug/L 04/25/02 --5 ND ND ND ND ND ND ug/L 06/04/03 --5 ND ND ND ND ND ND ug/L 05/25/04 --5 ND ND ND ND ND ND ug/L 05/24/05 --5 ND ND ND ND ND ND ug/L 09/27/06 --5 ND ND ND ND ND ND ug/L 07/13/07 --1 ND ND ND ND ND ND ug/L 07/31/08 --1 ND ND ND ND ND ND ug/L 07/15/09 --1 ND ND ND ND ND ND ug/L 07/22/10 --1 ND ND ND ND ND ND ug/L 07/18/11 --1 ND ND ND ND ND ND ug/L 07/17/12 --1 ND ND ND ND ND ND ug/L 07/15/13 --1 ND ND ND ND ND ND ug/L 07/14/14 --1 ND ND ND ND ND ND ug/L 07/21/15 0.12 1 ND ND ND ND ND ND ug/L 08/04/16 0.12 1 ND ND ND ND ND ND ug/L 07/25/17 0.12 1 ND ND ND ND ND ND Trichloroethene ug/L 04/05/96 ----ND ND ND ND ND ND NC 2L = 3 ug/L ug/L 10/04/96 ----ND ND ND ND ND ND EPA MCL = 5 ug/L ug/L 04/11/97 ----ND ND ND ND ND ND ug/L 10/22/97 ----ND ND ND ND ND ND ug/L 04/24/98 ----ND ND ND ND ND ND ug/L 04/20/99 ----ND ND ND ND ND ND ug/L 05/03/00 ----ND ND ND ND ND ND ug/L 04/19/01 ----ND ND ND ND ND ND ug/L 04/25/02 ----ND ND ND ND ND ND ug/L 06/04/03 ----ND ND ND ND ND ND ug/L 05/25/04 ----ND ND ND ND ND ND ug/L 05/24/05 --5 ND ND ND ND ND ND ug/L 09/27/06 --5 ND ND ND ND ND ND ug/L 07/13/07 --1 0.31 J ND 0.35 J 0.47 J ND ND ug/L 07/31/08 --1 ND ND ND ND ND ND ug/L 07/15/09 --1 ND ND ND ND ND ND ug/L 07/22/10 --1 ND ND ND ND ND ND ug/L 07/18/11 --1 ND ND ND ND ND ND ug/L 07/17/12 --1 ND ND ND ND ND ND ug/L 07/15/13 --1 ND ND ND ND ND ND ug/L 07/14/14 --1 ND ND ND ND ND ND ug/L 07/21/15 0.15 1 ND ND ND ND ND ND ug/L 08/04/16 0.15 1 0.46 J ND ND ND ND ND ug/L 07/25/17 0.15 1 0.50 J ND ND ND ND ND Trichlorofluoromethane ug/L 04/05/96 --5 6.3 ND ND ND ND ND NC 2L = 2000 ug/L ug/L 10/04/96 --5 16 ND ND ND ND ND EPA MCL = NA ug/L 04/11/97 --5 6.9 ND ND ND ND ND ug/L 10/22/97 --5 ND --ND ND ND ND ug/L 04/24/98 --5 7.4 ND ND ND ND ND ug/L 04/20/99 --5 ND ND ND ND ND ND ug/L 05/03/00 --5 ND ND ND ND ND ND ug/L 04/19/01 --5 ND ND ND ND ND ND ug/L 04/25/02 --5 ND ND ND ND ND ND ug/L 06/04/03 --5 ND ND ND ND ND ND ug/L 05/25/04 --5 ND ND ND ND ND ND ug/L 05/24/05 --5 ND ND ND ND ND ND ug/L 09/27/06 --5 ND ND ND ND ND ND ug/L 07/13/07 --1 1.3 ND ND ND ND ND ug/L 07/31/08 --1 ND ND ND ND ND ND ug/L 07/15/09 --1 ND 0.45 J ND ND ND ND ug/L 07/22/10 --1 ND ND ND ND ND ND ug/L 07/18/11 --1 ND ND ND ND ND ND ug/L 07/17/12 --1 ND ND ND ND ND ND ug/L 07/15/13 --1 ND ND ND ND ND ND ug/L 07/14/14 --1 ND ND ND ND ND ND ug/L 07/21/15 0.24 1 ND ND ND ND ND ND ug/L 08/04/16 0.24 1 ND ND ND ND ND ND ug/L 07/25/17 0.24 1 ND ND ND ND ND ND September 2017 8 of 8 063-6572017.101 G:\PROJECTS\Rowan\0636572017\Phase 101 Closed WQMR\600 Calculations\2017-08-08 Rowan Closed Tables.xlsx MW-1 MW-2 MW-3S Method Detection Limit MW-3D TABLE 1 SUMMARY OF DETECTED CONSTITUENTS IN GROUNDWATER ROWAN COUNTY CLOSED LANDFILL, PERMIT 80-01 SWS Reporting Limit Detected Monitoring Constituents/Analytes Sample DateUnits BlanksMW-4 Vinyl chloride ug/L 04/05/96 --10 ND ND ND ND ND ND NC 2L = 0.03 ug/L ug/L 10/04/96 --10 ND ND ND ND ND ND EPA MCL = 2 ug/L ug/L 04/11/97 --10 ND ND ND ND ND ND ug/L 10/22/97 --10 ND ND ND ND ND ND ug/L 04/24/98 --10 ND ND ND ND ND ND ug/L 04/20/99 --10 ND ND ND ND ND ND ug/L 05/03/00 --10 ND ND ND ND ND ND ug/L 04/19/01 --10 ND ND ND ND ND ND ug/L 04/25/02 --10 ND ND ND ND ND ND ug/L 06/04/03 --10 ND ND ND ND ND ND ug/L 05/25/04 --10 ND 6.4 J ND ND ND ND ug/L 05/24/05 --10 ND ND ND ND ND ND ug/L 09/27/06 --10 ND ND ND ND ND ND ug/L 07/13/07 --1 ND 4.1 ND ND ND ND ug/L 07/31/08 --1 ND 6.7 ND ND ND ND ug/L 07/15/09 --1 ND 4.1 ND ND ND ND ug/L 07/22/10 --1 ND 5.2 0.44 J 0.57 J ND ND ug/L 07/18/11 --1 ND 2.6 0.95 J 1.0 ND ND ug/L 07/17/12 --1 ND ND 0.67 J 0.76 J ND ND ug/L 07/15/13 --1 ND 1.7 ND 0.84 J ND ND ug/L 07/14/14 --1 ND 2.1 0.54 J 0.43 J ND ND ug/L 07/21/15 0.32 1 ND 1.8 0.78 J 1.1 ND ND ug/L 08/04/16 0.32 1 ND ND ND ND ND ND ug/L 07/25/17 0.32 1 ND 1.1 ND ND ND ND Xylenes (total)ug/L 04/05/96 ----ND ND ND ND ND ND NC 2L = 500 ug/L ug/L 10/04/96 ----ND ND ND ND ND ND EPA MCL = 10,000 ug/L ug/L 04/11/97 ----ND ND ND ND ND ND ug/L 10/22/97 ----ND ND ND ND ND ND ug/L 04/24/98 ----ND ND ND ND ND ND ug/L 04/20/99 ----ND ND ND ND ND ND ug/L 05/03/00 ----ND ND ND ND ND ND ug/L 04/19/01 ----ND ND ND ND ND ND ug/L 04/25/02 ----ND ND ND ND ND ND ug/L 06/04/03 ----ND ND ND ND ND ND ug/L 05/25/04 ----ND ND ND ND ND ND ug/L 05/24/05 --5 ND ND ND ND ND ND ug/L 09/27/06 --5 ND ND ND ND ND ND ug/L 07/13/07 --4 ND ND ND ND ND ND ug/L 07/31/08 --5 ND ND ND ND ND ND ug/L 07/15/09 --5 ND ND ND ND ND ND ug/L 07/22/10 --5 ND ND ND ND ND ND ug/L 07/18/11 --5 ND ND ND ND ND ND ug/L 07/17/12 --5 ND ND ND ND ND ND ug/L 07/15/13 --5 ND ND ND ND ND ND ug/L 07/14/14 --5 ND 0.62 J ND ND ND ND ug/L 07/21/15 0.45 5 ND 1.1 J ND ND ND ND ug/L 08/04/16 0.45 5 ND 0.97 J ND ND ND ND ug/L 07/25/17 0.45 5 ND 1.4 J ND ND ND ND Notes:mg/L =milligrams per liter ug/L =micrograms per liter S.U. =Standard Units NTU =Nephelometric Turbidity Units ND =Not detected at the stated reporting limit uS/cm=microsiemens per centimeter mV =Millivolts -- =no data available J =estimated value between detection limit and quantitation limit Blanks =field, trip and method blanks Bolded =Concentrations above the current NC 2L (Groundwater Protection) standards have been bolded Shaded =Concentrations above the current EPA MCL (Groundwater Protection) standards have been shaded SWS Reporting Limit =NCPQL prior to 2007 and NCSWSL starting in 7/13/07 September 2017 1 of 1 063-6572017.101 G:\PROJECTS\Rowan\0636572017\Phase 101 Closed WQMR\600 Calculations\2017-08-08 Rowan Closed Tables.xlsx pH S.U.04/05/96 ----5.54 6.51 6.80 6.73 6.58 --(field)S.U.10/04/96 ----5.54 --6.80 6.73 6.58 --S.U.04/11/97 ----6.01 6.90 7.20 7.40 6.50 --S.U.10/22/97 ----3.42 *--3.25 *3.24 *3.10 *--S.U.04/22/98 ----6.6 6.6 7.4 7.4 7.6 --S.U.04/20/99 ----6.6 6.2 6.0 6.4 6.6 --S.U.05/03/00 ----5.8 6.6 6.1 7.2 7.1 -- S.U.04/19/01 ----8.5 7.5 7.4 7.1 6.6 -- S.U.04/25/02 ----8.1 7.3 7.1 6.8 7.1 --S.U.06/04/03 ----5.81 5.78 4.93 5.53 5.63 --S.U.05/25/04 ----6.83 6.90 6.55 6.53 6.00 --S.U.05/24/05 ----24.52 *6.91 5.75 4.70 9.62 --S.U.09/27/06 ----5.48 6.52 6.25 6.28 5.48 --S.U.07/13/07 ----6.34 7.07 6.64 6.73 5.86 --S.U.07/31/08 ----7.02 6.89 --6.59 6.50 -- S.U.07/15/09 ----5.33 6.12 5.94 6.59 6.07 -- S.U.07/22/10 ----5.63 6.80 6.22 6.39 5.87 -- S.U.07/19/11 ----5.32 6.60 6.29 6.04 5.65 --S.U.07/17/12 ----5.99 6.83 5.84 5.84 6.52 --S.U.07/15/13 ----4.63 6.45 6.09 5.50 5.05 --S.U.07/14/14 ----5.45 7.17 6.78 6.59 6.64 --S.U.07/21/15 ----6.12 7.43 6.99 6.92 6.54 --S.U.08/04/16 ----5.01 6.69 6.17 6.15 5.56 --S.U.07/25/17 ----6.55 6.55 6.05 6.06 6.36 -- Specific Conductance uS/cm 04/05/96 ----90 590 180 170 120 -- (field)uS/cm 10/04/96 ----90 590 180 170 120 --uS/cm 04/11/97 ----155 1017 226 226 177 --uS/cm 10/22/97 ----230 --80 100 120 --uS/cm 04/22/98 ----110 770 170 170 110 --uS/cm 04/20/99 ----90 1030 220 190 110 --uS/cm 05/03/00 ----80 380 200 210 180 --uS/cm 04/19/01 ----100 1090 180 230 180 -- uS/cm 04/25/02 ----110 1120 170 280 200 -- uS/cm 06/04/03 ----110 4285 297 293 175 --uS/cm 05/25/04 ----170 1242 367 390 237 --uS/cm 05/24/05 ----137 1063 465 479 202 --uS/cm 09/27/06 ----98 725 357 350 125 --uS/cm 07/13/07 ----99 724 380 387 152 --uS/cm 07/31/08 ----127 975 --422 170 --uS/cm 07/15/09 ----123 905 324 398 167 -- uS/cm 07/22/10 ----145 1004 388 410 200 -- uS/cm 07/19/11 ----128 1050 571 572 152 -- uS/cm 07/17/12 ----135 913 434 434 123 --uS/cm 07/15/13 ----113 1030 207 498 108 --uS/cm 07/14/14 ----135 1258 518 515 121 --uS/cm 07/21/15 ----100 1120 660 650 108 --uS/cm 08/04/16 ----110 1240 590 620 78 --uS/cm 07/25/17 ----134 1214 244 646 118 --Temperature Celsius 04/05/96 ----19.6 14 10.7 13.3 13.2 -- (field)Celsius 10/04/96 ----17 ---------- Celsius 04/11/97 ----20.3 20.2 18.4 15.8 18.3 --Celsius 10/22/97 ----12.8 --12.8 12.8 12.8 --Celsius 04/22/98 ----15.5 15.5 14.4 15.5 15.5 --Celsius 04/20/99 ----18 13 14 15 14 --Celsius 05/03/00 ----18.3 15.5 14.4 12.2 10 --Celsius 04/19/01 ----14 11 14 14 13 --Celsius 04/25/02 ----12 12 13 13 11 -- Celsius 06/04/03 ----18.5 18.4 17 18.9 18.4 -- Celsius 05/25/04 ----18.4 25 16.1 16.1 16.9 --Celsius 05/24/05 ----20.6 14.6 15.5 13.9 19.9 --Celsius 09/27/06 ----21.4 19.7 18.7 19 18.9 --Celsius 07/13/07 ----21.70 18.54 18.25 17.84 15.63 --Celsius 07/31/08 ----23.51 21.65 --19.53 17.95 --Celsius 07/15/09 ----21.53 18.76 16.68 18.28 16.52 --Celsius 07/22/10 ----21.25 21.46 19.24 21.08 18.56 -- Celsius 07/19/11 ----21.81 19.55 18.82 17.92 16.67 -- Celsius 07/17/12 ----20.93 19.84 18.50 18.50 16.48 -- Celsius 07/15/13 ----20.34 16.43 17.85 14.41 14.94 --Celsius 07/14/14 ----20.5 16.4 17.0 14.2 15.3 --Celsius 07/21/15 ----21.6 19.1 17.6 17.2 16.7 --Celsius 08/04/16 ----20.7 19.1 21.0 19.5 20.4 --Celsius 07/25/17 ----21.2 20.5 23.6 20.8 18.8 --Turbidity (field)NTU 09/27/06 ----82.4 33.7 91.8 70.8 108 --NTU 07/13/07 ----0.0 0.0 0.0 0.0 97.5 -- NTU 07/31/08 ----72.2 16.6 383 36.2 122 -- NTU 07/15/09 ----19.2 4.47 66.5 29.2 29.8 --NTU 07/22/10 ----47.0 12.9 92.4 21.1 33.0 --NTU 07/19/11 ----3.46 5.05 4.17 4.53 5.21 --NTU 07/17/12 ----31.0 26.0 10.0 10.0 32.0 --NTU 07/15/13 ----5.31 11.0 30.5 8.85 23.2 --NTU 07/14/14 ----9.23 37.9 32.4 24.0 19.3 --NTU 07/21/15 ----17.3 14.7 20.0 3.38 5.23 -- NTU 08/04/16 ----32.6 46.2 44.2 12.2 15.8 -- NTU 07/25/17 ----7.23 13.6 96.3 5.50 11.5 -- Notes:mg/L =milligrams per literug/L =micrograms per literS.U. =Standard UnitsNTU =Nephelometric Turbidity UnitsND =Not detected at the stated reporting limit uS/cm=microsiemens per centimeter mV =Millivolts -- =no data availableJ = estimated value between detection limit and quantitation limit* =field data considered suspect MW-2 MW-3S TABLE 2 SUMMARY OF FIELD PARAMETERS IN GROUNDWATER ROWAN COUNTY CLOSED LANDFILL, PERMIT 80-01 Detected Monitoring Constituents/Analytes Units Sample Date Method Detection Limit (MDL) SWS Reporting Limit MW-1 MW-4 BlanksMW-3D September 2017 1 of 3 Project No. 063-6572017.101 G:\PROJECTS\Rowan\0636572017\Phase 101 Closed WQMR\600 Calculations\2017-08-08 Rowan Closed Tables.xlsx Arsenic ug/L 04/05/96 --10 ND ND ND SW Standards ug/L 10/04/96 --10 ND ND ND Acute = 340 ug/L ug/L 04/11/97 --5 ND ND ND Chronic = 150 ug/L ug/L 10/22/97 --5 ND ND ND ug/L 04/24/98 --5 ND ND ND ug/L 04/20/99 --50 ND ND ND ug/L 05/03/00 --10 ND ND ND ug/L 04/19/01 --10 ND ND ND ug/L 04/25/02 --10 ND ND ND ug/L 06/04/03 --10 ND ND ND ug/L 05/25/04 --10 ND ND ND ug/L 05/24/05 --10 ND ND ND ug/L 09/27/06 --10 ND ND ND ug/L 07/13/07 --10 ND ND ND ug/L 07/31/08 --10 9.3 B 4.0 B 5.1 J ug/L 07/15/09 --10 5.29 B ND 3.39 J ug/L 07/22/10 --10 ND ND ND ug/L 07/18/11 --10 ND ND ND ug/L 07/17/12 --10 ND ND 4.27 J ug/L 07/15/13 --10 ND ND ND ug/L 07/14/14 --10 ND ND ND ug/L 07/21/15 6.8 10 ND ND ND ug/L 08/04/16 6.8 10 ND ND ND ug/L 07/25/17 6.8 10 ND ND ND Barium ug/L 04/05/96 --500 ND ND ND (No SW Standard)ug/L 10/04/96 --200 ND ND ND ug/L 04/11/97 --10 32 32 ND ug/L 10/22/97 --10 32 33 ND ug/L 04/24/98 --10 41 42 ND ug/L 04/20/99 --1000 ND ND ND ug/L 05/03/00 --500 ND ND ND ug/L 04/19/01 --500 ND ND ND ug/L 04/25/02 --500 ND ND ND ug/L 06/04/03 --500 ND ND ND ug/L 05/25/04 --500 ND ND ND ug/L 05/24/05 --500 ND ND ND ug/L 09/27/06 --500 ND ND ND ug/L 07/13/07 --100 38.2 J 311 ND ug/L 07/31/08 --100 46.9 J 121 ND ug/L 07/15/09 --100 60.6 J 40.3 J ND ug/L 07/22/10 --100 31.0 J 31.8 J ND ug/L 07/18/11 --100 42.9 J 51.3 J ND ug/L 07/17/12 --100 39.0 J 43.8 J ND ug/L 07/15/13 --100 44.3 J 48.2 J 1.19 J ug/L 07/14/14 --100 38.8 J 35.8 J 1.06 J ug/L 07/21/15 1 100 55.1 J 129 ND ug/L 08/04/16 1 100 39.9 J 42.1 J ND ug/L 07/25/17 1 100 42.8 J 45.4 J ND Cadmium ug/L 04/05/96 --500 ND ND ND SW Standard ug/L 10/04/96 --5 ND ND ND Acute = 0.82 ug/L ug/L 04/11/97 --1 ND ND ND Chronic = 0.15 ug/L ug/L 10/22/97 --1 ND ND ND ug/L 04/24/98 --1 ND ND ND ug/L 04/20/99 --5 ND ND ND ug/L 05/03/00 --1 4 1 ND ug/L 04/19/01 --1 ND ND ND ug/L 04/25/02 --10 ND ND ND ug/L 06/04/03 --1 ND ND ND ug/L 05/25/04 --1 ND ND ND ug/L 05/24/05 --1 ND ND ND ug/L 09/27/06 --1 ND ND ND ug/L 07/13/07 --1 ND ND ND ug/L 07/31/08 --1 ND ND 0.50 J ug/L 07/15/09 --1 0.680 J ND 0.109 J ug/L 07/22/10 --1 ND ND ND ug/L 07/18/11 --1 ND ND ND ug/L 07/17/12 --1 ND ND ND ug/L 07/15/13 --1 ND ND ND ug/L 07/14/14 --1 ND ND ND ug/L 07/21/15 0.36 1 ND ND ND ug/L 08/04/16 0.36 1 ND ND ND ug/L 07/25/17 0.36 1 ND ND ND Chromium ug/L 04/05/96 --10 ND ND ND SW Standard ug/L 10/04/96 --10 ND ND ND Acute = 180 ug/L ug/L 04/11/97 --10 ND ND ND Chronic = 24 ug/L ug/L 10/22/97 --10 ND ND ND ug/L 04/24/98 --10 2 2 ND ug/L 04/20/99 --50 ND ND ND ug/L 05/03/00 --10 ND ND ND ug/L 04/19/01 --10 ND ND ND ug/L 04/25/02 --10 ND ND ND ug/L 06/04/03 --10 ND ND ND ug/L 05/25/04 --10 ND ND ND ug/L 05/24/05 --10 ND 11 ND ug/L 09/27/06 --10 ND ND ND ug/L 07/13/07 --10 ND 28.2 ND ug/L 07/31/08 --10 4.0 B 9.9 J 1.1 J ug/L 07/15/09 --10 3.10 J ND ND ug/L 07/22/10 --10 ND ND ND ug/L 07/18/11 --10 ND 1.11 J ND ug/L 07/17/12 --10 ND ND ND ug/L 07/15/13 --10 ND 1.41 B 1.44 J ug/L 07/14/14 --10 ND ND ND ug/L 07/21/15 1.4 10 2.31 J 40.3 ND ug/L 08/04/16 1.4 10 ND ND ND ug/L 07/25/17 1.4 10 ND ND ND TABLE 3 SUMMARY OF DETECTED CONSTITUENTS IN SURFACE WATER ROWAN COUNTY CLOSED LANDFILL, PERMIT 80-01 SWS Reporting Limit Sample DateUnitsDetected Monitoring Constituents/Analytes BlanksDS-1US-1Method Detection Limit (MDL) September 2017 2 of 3 Project No. 063-6572017.101 G:\PROJECTS\Rowan\0636572017\Phase 101 Closed WQMR\600 Calculations\2017-08-08 Rowan Closed Tables.xlsx TABLE 3 SUMMARY OF DETECTED CONSTITUENTS IN SURFACE WATER ROWAN COUNTY CLOSED LANDFILL, PERMIT 80-01 SWS Reporting Limit Sample DateUnitsDetected Monitoring Constituents/Analytes BlanksDS-1US-1Method Detection Limit (MDL) Lead ug/L 04/05/96 --10 ND ND ND SW Standard ug/L 10/04/96 --3 ND ND ND Acute = 14 ug/L ug/L 04/11/97 --5 ND ND ND Chronic = 0.54 ug/L ug/L 10/22/97 --5 ND ND ND ug/l 04/24/98 --5 ND ND ND ug/L 04/20/99 --15 ND ND ND ug/L 05/03/00 --10 ND ND ND ug/L 04/19/01 --10 ND ND ND ug/L 04/25/02 --10 ND ND ND ug/L 06/04/03 --10 ND ND ND ug/L 05/25/04 --10 ND ND ND ug/L 05/24/05 --10 ND ND ND ug/L 09/27/06 --10 ND ND ND ug/L 07/13/07 --10 ND 19.4 ND ug/L 07/31/08 --10 3.0 J 9.6 J ND ug/L 07/15/09 --10 2.73 J 4.35 J ND ug/L 07/22/10 --10 ND ND ND ug/L 07/18/11 --10 ND ND ND ug/L 07/17/12 --10 ND ND ND ug/L 07/15/13 --10 ND ND ND ug/L 07/14/14 --10 ND ND ND ug/L 07/21/15 3.1 10 ND 15.9 ND ug/L 08/04/16 3.1 10 ND ND ND ug/L 07/25/17 3.1 10 ND ND ND Mercury ug/L 04/05/96 --1 ND ND ND SW Standard = 0.012 ug/L 10/04/96 --0.2 ND ND ND ug/L 04/11/97 --0.2 ND ND ND ug/L 10/22/97 --0.2 ND ND ND ug/L 04/24/98 --0.2 ND ND ND ug/L 04/20/99 --0.2 ND ND ND ug/L 05/03/00 --0.2 ND ND ND ug/L 04/19/01 --0.2 ND ND ND ug/L 04/25/02 --0.2 ND ND ND ug/L 06/04/03 --0.2 ND ND ND ug/L 05/25/04 --0.2 ND ND ND ug/L 05/24/05 --0.5 ND ND ND ug/L 09/27/06 --0.5 ND ND ND ug/L 07/13/07 --0.2 ND 0.15 J ND ug/L 07/31/08 --0.2 ND ND ND ug/L 07/15/09 --0.2 ND ND ND ug/L 07/22/10 --0.2 ND ND ND ug/L 07/18/11 --0.2 ND ND ND ug/L 07/17/12 --0.2 ND ND ND ug/L 07/15/13 --0.2 ND ND ND ug/L 07/14/14 --0 ND ND ND ug/L 07/21/15 0.17 0.2 ND ND ND ug/L 08/04/16 0.17 0.2 ND ND ND ug/L 07/25/17 0.099 0.2 ND ND ND Selenium ug/L 04/05/96 --5 ND ND ND NC 2L = 5 ug/L ug/L 10/04/96 --5 ND ND ND ug/L 04/11/97 --5 ND ND ND ug/L 10/22/97 --5 ND ND ND ug/L 04/24/98 --5 ND ND ND ug/L 04/20/99 --10 ND ND ND ug/L 05/03/00 --20 ND ND ND ug/L 04/19/01 --20 ND ND ND ug/L 04/25/02 --20 ND ND ND ug/L 06/04/03 --20 ND ND ND ug/L 05/25/04 --20 ND ND ND ug/L 05/24/05 --20 ND ND ND ug/L 09/27/06 --20 ND ND ND ug/L 07/13/07 --10 ND ND ND ug/L 07/31/08 --10 3.2 J ND ND ug/L 07/15/09 --10 ND ND ND ug/L 07/22/10 --10 ND ND ND ug/L 07/18/11 --10 ND ND 5.23 J ug/L 07/17/12 --10 ND ND ND ug/L 07/15/13 --10 ND ND ND ug/L 07/14/14 --10 ND ND ND ug/L 07/21/15 5 10 ND ND ND ug/L 08/04/16 5 10 ND ND ND ug/L 07/25/17 6.2 10 ND ND ND Silver ug/L 04/05/96 --10 24 ND ND SW Standards ug/L 10/04/96 --10 ND ND ND Acute = 30 ug/L ug/L 04/11/97 --5 ND ND ND Chronic = 0.06 ug/L#ug/L 10/22/97 --5 ND ND ND ug/L 04/24/98 --2 ND ND ND ug/L 04/20/99 --18 ND ND ND ug/L 05/03/00 --10 ND ND ND ug/L 04/19/01 --10 ND ND ND ug/L 04/25/02 --10 ND ND ND ug/L 06/04/03 --10 ND ND ND ug/L 05/25/04 --10 ND ND ND ug/L 05/24/05 --10 ND ND ND ug/L 09/27/06 --10 ND ND ND ug/L 07/13/07 --10 ND ND ND ug/L 07/31/08 --10 6.4 J ND ND ug/L 07/15/09 --10 ND ND ND ug/L 07/22/10 --10 ND 2.15 J ND ug/L 07/18/11 --10 ND ND ND ug/L 07/17/12 --10 ND ND ND ug/L 07/15/13 --10 ND ND ND ug/L 07/14/14 --10 ND ND ND ug/L 07/21/15 1.9 10 ND ND ND ug/L 08/04/16 1.9 10 ND ND ND ug/L 07/25/17 1.9 10 ND ND ND September 2017 3 of 3 Project No. 063-6572017.101 G:\PROJECTS\Rowan\0636572017\Phase 101 Closed WQMR\600 Calculations\2017-08-08 Rowan Closed Tables.xlsx TABLE 3 SUMMARY OF DETECTED CONSTITUENTS IN SURFACE WATER ROWAN COUNTY CLOSED LANDFILL, PERMIT 80-01 SWS Reporting Limit Sample DateUnitsDetected Monitoring Constituents/Analytes BlanksDS-1US-1Method Detection Limit (MDL) Acetone ug/L 04/05/96 ----ND ND ND SW Standard = 2,000 ug/L ug/L 10/04/96 ----ND ND ND ug/L 04/11/97 ----ND ND ND ug/L 10/22/97 ----ND ND ND ug/L 04/24/98 ----ND ND ND ug/L 04/20/99 ----ND ND ND ug/L 05/03/00 ----ND ND ND ug/L 04/19/01 ----ND ND ND ug/L 04/25/02 ----ND ND ND ug/L 06/04/03 ----ND ND ND ug/L 05/25/04 ----ND ND ND ug/L 05/24/05 --100 ND ND ND ug/L 09/27/06 --100 ND ND ND ug/L 07/13/07 --100 ND ND 1.5 J ug/L 07/31/08 --100 23 J 29 J ND ug/L 07/15/09 --100 ND ND ND ug/L 07/22/10 --100 ND ND ND ug/L 07/18/11 --100 ND ND ND ug/L 07/17/12 --100 ND ND ND ug/L 07/15/13 --100 ND ND ND ug/L 07/14/14 --100 ND ND ND ug/L 07/21/15 1.2 100 ND 20 J ND ug/L 08/04/16 1.2 100 ND ND ND ug/L 07/25/17 10 100 ND ND 12 J Notes:ug/L =micrograms per liter S.U. =Standard Units NTU =Nephelometric Turbidity Units ND =Not detected at the stated reporting limit uS/cm =microsiemens per centimeter -- =no data available J = estimated value between detection limit and quantitation limit Blanks =field, trip and method blanks Shaded = Concentrations above the current NC 2L SW Standards have been shaded * =field data considered suspect SW Standards=NC Freshwater Aquatic Life Standards as defined in 15A NCAC 2B SWS Reporting Limit =NCPQL prior to 2007 and NCSWSL starting in 7/13/07 # = SW Standard is an action limit September 2017 1 of 1 063-6572017.101 G:\PROJECTS\Rowan\0636572017\Phase 101 Closed WQMR\600 Calculations\2017-08-08 Rowan Closed Tables.xlsx pH S.U.04/05/96 ----7.11 7.52 -- (field)S.U.10/04/96 ----7.11 7.52 --S.U.04/11/97 ----7.5 7.4 --S.U.10/22/97 ----3.22 *2.10 *-- S.U.04/22/98 ----8.2 8.8 --S.U.04/20/99 ----7.0 7.1 --S.U.05/03/00 ----7.6 8.5 -- S.U.04/19/01 ----8.0 8.0 --S.U.04/25/02 ----8.0 8.0 --S.U.06/04/03 ----7.50 7.68 -- S.U.05/25/04 ----6.50 6.71 --S.U.05/24/05 ----6.50 6.71 -- S.U.09/27/06 ----5.39 6.49 -- S.U.07/13/07 ----6.46 8.87 --S.U.07/31/08 ----6.46 7.22 -- S.U.07/15/09 ----6.80 7.23 --S.U.07/22/10 ----7.39 7.55 --S.U.07/19/11 ----6.72 6.98 -- S.U.07/17/12 ----6.99 7.36 --S.U.07/15/13 ----6.65 6.14 --S.U.07/14/14 ----6.85 7.34 -- S.U.07/21/15 ----8.04 7.35 --S.U.08/04/16 ----6.39 6.37 -- S.U.07/25/17 ----5.90 7.06 -- Specific Conductance uS/cm 04/05/96 ----80 80 --(field)uS/cm 10/04/96 ----80 80 -- uS/cm 04/11/97 ----177 150 --uS/cm 10/22/97 ----220 321 --uS/cm 04/22/98 ----90 80 -- uS/cm 04/20/99 ----160 120 --uS/cm 05/03/00 ----150 110 --uS/cm 04/19/01 ----160 120 -- uS/cm 04/25/02 ----150 130 --uS/cm 06/04/03 ----110 128 --uS/cm 05/25/04 ----210 263 -- uS/cm 05/24/05 ----190 179 --uS/cm 09/27/06 ----133 133 -- uS/cm 07/13/07 ----149 131 -- uS/cm 07/31/08 ----104 107 --uS/cm 07/15/09 ----129 137 -- uS/cm 07/22/10 ----131 139 --uS/cm 07/19/11 ----155 125 --uS/cm 07/17/12 ----133 173 -- uS/cm 07/15/13 ----126 133 --uS/cm 07/14/14 ----172 165 --uS/cm 07/21/15 ----810 69 -- uS/cm 08/04/16 ----155 163 --uS/cm 07/25/17 ----158 164 -- Temperature Celsius 04/05/96 ----13.8 12.8 -- (field)Celsius 10/04/96 ----15.5 15.5 --Celsius 04/11/97 ----18.9 16.4 -- Celsius 10/22/97 ----12.8 12.8 --Celsius 04/22/98 ----13.9 15.5 --Celsius 04/20/99 ----15 14 -- Celsius 05/03/00 ----14.4 13.3 --Celsius 04/19/01 ----10 11 --Celsius 04/25/02 ----11 12 -- Celsius 06/04/03 ----21.1 21.3 --Celsius 05/25/04 ----25.1 25.1 --Celsius 05/24/05 ----17.4 17.9 -- Celsius 09/27/06 ----18.5 20.5 --Celsius 07/13/07 ----22.19 22.58 -- Celsius 07/31/08 ----24.61 25.03 -- Celsius 07/15/09 ----20.67 20.51 --Celsius 07/22/10 ----26.00 25.96 -- Celsius 07/19/11 ----22.95 22.86 --Celsius 07/17/12 ----25.52 25.55 --Celsius 07/15/13 ----22.66 22.48 -- Celsius 07/14/14 ----23.2 23.8 --Celsius 07/21/15 ----22.4 23.2 --Celsius 08/04/16 ----24.1 23.5 -- Celsius 07/25/17 ----23.5 24.9 --Turbidity (field)NTU 09/27/06 ----31.2 39.7 -- NTU 07/13/07 ----0.0 0.0 -- NTU 07/31/08 ----75.4 150 --NTU 07/15/09 ----12.4 14.5 -- NTU 07/22/10 ----14.6 15.1 --NTU 07/19/11 ----5.05 6.67 --NTU 07/17/12 ----55.7 170 -- NTU 07/15/13 ----31.7 37.1 --NTU 07/14/14 ----15.1 14.4 --NTU 07/21/15 ----56.4 >1000 -- NTU 08/04/16 ----18.0 9.52 --NTU 07/25/17 ----12.8 8.63 -- Notes:ug/L =micrograms per literS.U. =Standard Units NTU =Nephelometric Turbidity Units ND =Not detected at the stated reporting limituS/cm =microsiemens per centimeter -- =no data availableJ = estimated value between detection limit and quantitation limitBlanks =field, trip and method blanks * =field data considered suspect TABLE 4 SUMMARY OF FIELD PARAMETERS IN SURFACE WATER ROWAN COUNTY CLOSED LANDFILL, PERMIT 80-01 Detected Monitoring Constituents/Analytes Units Sample Date Method Detection Limit (MDL)SWS Reporting Limit US-1 DS-1 Blanks FIGURES GROUNDWATER AND SURFACE WATER SAMPLING LOGS JUNE 2017 CERTIFICATES-OF-ANALYSIS, CHAIN-OF-CUSTODY FORMS AND LABORATORY DATA REVIEWS Page 1 of 50 Page 2 of 50 Page 3 of 50 Page 4 of 50 Page 5 of 50 Page 6 of 50 Page 7 of 50 Page 8 of 50 Page 9 of 50 Page 10 of 50 Page 11 of 50 Page 12 of 50 Page 13 of 50 Page 14 of 50 Page 15 of 50 Page 16 of 50 Page 17 of 50 Page 18 of 50 Page 19 of 50 Page 20 of 50 Page 21 of 50 Page 22 of 50 Page 23 of 50 Page 24 of 50 Page 25 of 50 Page 26 of 50 Page 27 of 50 Page 28 of 50 Page 29 of 50 Page 30 of 50 Page 31 of 50 Page 32 of 50 Page 33 of 50 Page 34 of 50 Page 35 of 50 Page 36 of 50 Page 37 of 50 Page 38 of 50 Page 39 of 50 Page 40 of 50 Page 41 of 50 Page 42 of 50 Page 43 of 50 Page 44 of 50 Page 45 of 50 Page 46 of 50 Page 47 of 50 Page 48 of 50 Page 49 of 50 Page 50 of 50 Page 1 of 1 GOLDER ASSOCIATES NC, INC. QUALITY ASSURANCE & QUALITY CONTROL LABORATORY DATA REVIEW Page 1 of 3 Project Name: Rowan County Closed Landfill Project Reference Number: 0636572017.101 Sampling Event Date: July 25, 2017 Review Date: August 7, 2017 Initials: WB Report #: CA10851 Signature: Date: QA/QC Sign Off: Date: 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 (AMW-1, AMW-2, MW-6) NC Subtitle D Leachate List Other: 8260B Extended, Alkalinity, Chloride, TDS, Hg, and Sulfate 1.0 CHAIN OF CUSTODY (COC) REVIEW WB COC was properly signed by all parties. WB Correct project name and number are on the form. COC and Lab report show project number as 0626572017.101, but the correct project number is 0636572017.101 WB Sample receipt condition at laboratory was acceptable. WB Each sample and blank submitted for analysis appears in the report. GOLDER ASSOCIATES NC, INC. QUALITY ASSURANCE & QUALITY CONTROL LABORATORY DATA REVIEW Page 2 of 3 2.0 SAMPLE HOLDING TIMES WB Holding times for extraction and/or analysis were met for each analytical Method (see below for reference). Review Criteria Method Analytes 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 WB Laboratory analyzed at least one internal blank for each method, where applicable. WB Laboratory blank is interference-free. WB Surrogate recoveries are provided for each analytical method, where applicable. WB Surrogate recoveries for each method are within the acceptable limits (i.e., at least 50% of the surrogates were within range). WB MS/MSD/LCS data results are provided for each analytical method. WB MS/MSD/LCS recoveries for each method are within the acceptable limits (i.e., at least 1 of the 3 were within range). 4.0 ANALYTE LISTS/METHODS WB The proper number of constituents are present for each analyte list as identified above (including detects where applicable). WB Proper EPA SM 2540C-1997 analytical methods were used for analysis. 5.0 DATA REPORTING WB All analytical reporting associated with the event was performed by the contracted lab. WB Trip, field and/or equipment, and laboratory blank results have all been reported. All GOLDER ASSOCIATES NC, INC. QUALITY ASSURANCE & QUALITY CONTROL LABORATORY DATA REVIEW Page 3 of 3 detects for blanks are listed below by constituent. All laboratory method blanks, if any, have been ‘flagged’ with a ‘B’ where detected in other samples as appropriate and a laboratory narrative was provided. If the sample was flagged by the laboratory and is not within 5X of the concentration in the blank (or 10X 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. Trip Blank: • Acetone @ 12 ug/L (J), B flag should be added to: MW-2 @ 22 ug/L (J) WB 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. WB The report provides the reporting limit for each constituent. WB 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. WB 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. 1,1-Dichloroethane (NC 2L = 6 ug/L) • MW-2 @ 7.8 ug/L 1,2-Dichloroethane (NC 2L = 0.4 ug/L) • MW-2 @ 1.5 ug/L Benzene (NC 2L = 1 ug/L) • MW-2 @ 8.6 ug/L Chloromethane (NC 2L = 3 ug/L) • MW-2 @ 5.0 ug/L Tetrachloroethene (NC 2L = 0.7 ug/L) • MW-1 @ 2.3 ug/L Vinyl Chloride (NC 2L = 0.03 ug/L)] • MW-2 @ 1.1 ug/L WB 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). MW-2 • Bromoform @ 0.69 ug/L (J), first time detection WB Other report issues/Communications with laboratory/etc.: Golder Associates NC, Inc. 5B Oak Branch Drive Greensboro, NC 27407 USA (336) 852-4903 - Phone (336) 852-4904 - Fax