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HomeMy WebLinkAbout3201_DurhamCityMSW_GWMR_DIN28241_20151117 TABLES February 2016 Page 1 of 1 0739-604215.100 G:\Projects\City of Durham\GWMR\2015 November\Tables\City of Durham Tables November 2015.xlsx Well ID TOC Elevation (ft AMSL) Date GW Elev DTW GW Elev DTW GW Elev DTW GW Elev DTW GW Elev DTW GW Elev DTW GW Elev DTW GW Elev DTW GW Elev DTW GW Elev DTW GW Elev DTW GW Elev DTW GW Elev DTW 05/26/98 280.20 6.30 NI --NI NI 290.20 9.60 NI NI NI NI 304.40 8.70 NI NI NI NI NI NI NI NI 318.80 31.20 NI NI 12/01/98 280.06 6.44 NI --NI NI 298.43 1.37 NI NI NI NI 304.40 8.70 NI NI NI NI NI NI NI NI 321.29 28.71 NI NI 06/07/99 275.71 10.79 NI --NI NI 285.79 14.01 NI NI NI NI 300.87 12.23 NI NI NI NI NI NI NI NI 319.05 30.95 NI NI 07/08/99 NM NM NI --289.09 6.51 NM NM NI NI NI NI NM NM NI NI NI NI NI NI NI NI NM NM NI NI 12/13/99 279.09 7.41 NI --289.49 6.11 288.28 11.52 NI NI NI NI 302.19 10.91 NI NI NI NI NI NI NI NI 319.83 30.17 NI NI 06/06/00 277.15 9.35 NI --289.37 6.23 287.10 12.70 NI NI NI NI 301.98 11.12 NI NI NI NI NI NI NI NI 319.45 30.55 NI NI 12/11/00 277.10 9.40 NI --289.15 6.45 288.05 11.75 NI NI NI NI 302.01 11.09 NI NI NI NI NI NI NI NI 320.27 29.73 NI NI 06/04/01 278.37 8.13 NI --289.67 5.93 286.67 13.13 NI NI NI NI 301.42 11.68 NI NI NI NI NI NI NI NI 318.52 31.48 NI NI 12/04/01 275.19 11.31 NI --289.15 6.45 288.25 11.55 NI NI NI NI 299.32 13.78 NI NI NI NI NI NI NI NI 319.11 30.89 NI NI 06/10/02 275.59 10.91 NI --288.52 7.08 288.38 11.42 NI NI NI NI 302.55 10.55 NI NI NI NI NI NI NI NI 317.57 32.43 NI NI 12/16/02 280.13 6.37 NI --290.51 5.09 292.22 7.58 NI NI NI NI 305.28 7.82 NI NI NI NI NI NI NI NI 318.72 31.28 NI NI 06/09/03 278.90 7.60 NI --290.04 5.56 288.21 11.59 NI NI NI NI 301.45 11.65 NI NI NI NI NI NI NI NI 317.81 32.19 NI NI 12/08/03 278.49 8.01 NI --289.82 5.78 288.06 11.74 NI NI NI NI 310.00 3.10 NI NI NI NI NI NI NI NI 319.84 30.16 NI NI 06/28/04 276.34 10.16 NM --290.00 5.60 287.15 12.65 275.79 15.60 297.73 20.48 300.87 12.23 349.02 12.45 NI NI NI NI 318.70 27.86 319.37 30.63 313.74 25.68 12/20/04 275.48 11.02 NM --289.78 5.82 288.18 11.62 276.89 14.50 299.55 18.66 301.72 11.38 334.52 26.95 NI NI NI NI 318.98 27.58 321.02 28.98 319.78 19.64 06/06/05 280.35 6.15 NM --289.87 5.73 287.31 12.49 275.79 15.60 297.82 20.39 300.74 12.36 349.62 11.85 NI NI NI NI 320.93 25.63 321.07 28.93 320.42 19.00 12/05/05 274.26 12.24 NM --289.94 5.66 287.72 12.08 275.59 15.80 299.17 19.04 300.09 13.01 346.25 15.22 NI NI NI NI 319.65 26.91 320.75 29.25 317.42 22.00 06/05/06 277.45 9.05 NM --291.10 4.50 287.45 12.35 275.81 15.58 298.91 19.30 300.51 12.59 347.47 14.00 NI NI NI NI 319.74 26.82 318.85 31.15 317.89 21.53 12/04/06 279.40 7.10 NM --290.02 5.58 288.80 11.00 277.18 14.21 300.86 17.35 301.80 11.30 349.22 12.25 NI NI NI NI 319.56 27.00 319.30 30.70 317.42 22.00 05/30/07 279.38 7.12 NM --291.00 4.60 289.89 9.91 278.59 12.80 300.48 17.73 303.60 9.50 348.47 13.00 NI NI NI NI 320.18 26.38 318.56 31.44 319.08 20.34 11/19/07 273.92 --NM --292.72 --287.60 --276.62 --298.07 --302.37 --343.35 --NI NI NI NI 319.20 --318.91 --316.28 -- 05/19/08 282.10 --281.76 3.43 293.41 --291.72 --280.04 --302.98 --304.87 --349.36 --NI NI NI NI 319.85 --317.82 --317.18 -- 11/19/08 280.36 --281.55 3.64 293.30 --291.25 --279.42 --302.46 --304.58 --346.98 --277.32 --NI NI 319.64 --318.31 --317.07 -- 06/30/09 279.07 --280.11 5.08 292.11 --290.00 --278.45 --300.40 --303.39 --347.71 --276.86 --NI NI 321.11 --317.77 --318.08 -- 11/30/09 279.48 --281.70 --292.34 --290.15 --278.89 --301.66 --303.85 --346.84 --276.07 --NI NI 319.33 --317.49 --315.67 -- 05/20/10 281.47 --281.76 --292.51 --290.12 --279.20 --301.44 --304.11 --351.95 --276.16 --NI NI 321.12 --317.76 --317.98 -- 11/19/10 276.43 --281.08 --292.00 --289.31 --277.35 --300.31 --305.37 --344.38 --275.74 --274.74 --320.28 --317.80 --316.40 -- 05/19/11 281.17 --281.92 --292.18 --290.16 --278.81 --301.45 --303.26 --347.10 --276.00 --276.56 --320.70 --316.38 --316.07 -- 11/28/11 276.20 9.45 281.31 3.88 292.00 2.48 289.35 9.21 277.62 12.89 300.52 16.60 302.05 9.91 342.60 17.98 275.57 7.24 275.82 7.74 320.87 26.03 317.36 31.97 315.10 23.72 05/22/12 279.43 6.22 280.67 4.52 291.77 2.71 289.61 8.95 278.00 12.51 299.94 17.18 302.02 9.94 344.45 16.13 275.95 6.86 275.59 7.97 320.92 25.98 316.14 33.19 315.09 23.73 11/26/12 277.80 7.85 281.35 3.84 291.59 2.89 289.67 8.89 277.39 13.12 299.51 17.61 301.99 9.97 341.99 18.59 275.47 7.34 274.88 8.68 320.39 26.51 317.04 32.29 314.83 23.99 05/21/13 282.29 3.36 281.72 3.47 292.39 2.09 290.76 7.8 278.63 11.88 301.86 15.26 304.19 7.77 348.06 12.52 276.92 5.89 277.15 6.41 320.78 26.12 315.93 33.40 315.56 23.2611/06/13 278.10 7.55 281.27 3.92 291.88 2.60 NM NM 277.42 13.09 299.66 17.46 301.68 10.28 343.84 16.74 275.58 7.23 NM NM 321.14 25.76 317.23 32.10 315.61 23.21 05/21/14 281.43 4.22 281.39 3.8 292.17 2.31 290.30 9.96 279.37 11.14 301.42 15.70 303.60 8.36 350.99 9.59 275.92 6.89 271.36 12.2 321.28 25.62 316.61 32.72 317.28 21.54 11/24/14 278.97 6.68 281.58 3.61 292.25 2.23 290.21 10.05 277.82 12.69 300.64 16.48 302.44 9.52 344.70 15.88 NM NM 275.09 8.47 321.76 25.14 318.36 30.97 316.57 22.25 05/27/15 278.87 6.78 280.00 5.19 290.96 3.52 289.23 11.03 277.84 12.67 299.63 17.49 301.20 10.76 347.92 12.66 275.42 7.39 275.45 8.11 322.21 24.69 317.71 31.62 317.91 20.91 11/17/15 279.83 5.82 281.50 3.69 292.02 2.46 290.24 10.02 278.41 12.10 301.16 15.96 303.40 8.56 346.83 13.75 275.61 7.20 275.31 8.25 321.56 25.34 318.47 30.86 316.68 22.14 MEAN 278.49 7.96 281.29 4.01 291.00 4.69 289.31 10.59 277.79 13.51 300.32 17.67 302.77 10.31 346.40 14.97 276.04 7.01 275.20 8.48 320.41 26.21 318.51 31.07 316.88 22.18 MAXIMUM 282.29 12.24 281.92 5.19 293.41 7.08 298.43 14.01 280.04 15.80 302.98 20.48 310.00 13.78 351.95 26.95 277.32 7.39 277.15 12.20 322.21 27.86 321.29 33.40 320.42 25.68 MINIMUM 273.92 3.36 280.00 3.43 288.52 2.09 285.79 1.37 275.59 11.14 297.73 15.26 299.32 3.10 334.52 9.59 275.42 5.89 271.36 6.41 318.70 24.69 315.93 28.71 313.74 19.00 Notes: ft AMSL = Feet above mean sea level NA = Not applicable NM = Not measured TOC = Top of well casing NI = Not installed 1)TOC elevations were surveyed by SEPI Engineering in September 2009. 2)MW-5 was damaged prior to the November 2013 event and a water level was not able to measured during the event. 3)MW-5 was resurveyed by Dewberry Engineers Inc. on May 27, 2014, after being repaired on March 5, 2014. MW-4R MW-5 MW-6RMW-2 MW-3R TABLE 1 Summary of Historical Groundwater Elevation Data in Monitoring Wells City of Durham Closed Landfill, Permit #32-01Durham County, North Carolina MW-7R MW-8 MW-9R MW-10 NES-3 PZ-2R PZ-3 PZ-4R 317.12285.65 294.48285.19 290.51300.26 338.82349.33346.90360.58311.96 283.56282.81 February 2016 Page 1 of 1 0739-604215.100 G:\Projects\City of Durham\GWMR\2015 November\Tables\City of Durham Tables November 2015.xlsx Gradient Calculation Segment Flow Direction Gradient Segment Length (feet) Gradient Segment Elevations (feet) Horizontal Gradient (i, feet) Effective Porosity (ne) Hydraulic Conductivity (K, cm/sec) Velocity (Vgw, feet/year) 320 280 320 280 320 290 Notes: Horizontal velocities based on the modified Darcy equation Vgw = Ki/ne. Values for K and ne based on estimates from Malcolm Pirnie, Inc.'s City of Durham Municipal Solid Waste Landfill December 1998 Groundwater Monitoring Letter Report dated January 29, 1999 and Weston Solutions, Inc.'s December 2005 Semiannual Event--Closed Durham City Landfill TABLE 2 Summary of Estimated Horizontal Flow Velocities City of Durham Closed Landfill, Permit #32-01 November 2015 i1 0.0289 Durham County, North Carolina i3 NW W SW 1385 1933 1445 i2 0.0208 132.51 94.97 95.25 0.2 0.2 0.2 8.87E-04 8.87E-04 8.87E-04 0.0207 February 2016 Page 1 of 1 0739-604215.100 G:\Projects\City of Durham\GWMR\2015 November\Tables\City of Durham Tables November 2015.xlsx MW-2 831828.02 2042303.29 04/19/85 283.69 285.65 19.62 2 264.07 - 274.07 --Compliance Well MW-3R 830508.02 2041431.79 --282.18 285.19 17.65 2 264.53 - 274.53 --Compliance Well MW-4R 829624.77 2042330.46 06/30/99 291.91 294.48 17.39 2 274.52 - 284.52 Partially Weathered Rock Compliance Well MW-5 832230.50 2043386.22 08/17/94 296.67 300.26 21.77 2 275.39 - 285.39 Partially Weathered Rock Compliance Well MW-6R 830895.64 2041339.55 06/10/04 287.62 290.51 26.72 2 260.90 - 270.90 Regolith Water Level Only MW-7R 831775.12 2043783.06 06/10/04 314.60 317.12 44.01 2 270.59 - 295.59 Partially Weathered Rock/bedrock Water Level Only MW-8 829821.92 2043599.54 09/18/94 308.24 311.96 16.52 2 291.72 - 299.22 Regolith Water Level Only MW-9R 830702.99 2043834.41 06/10/04 358.03 360.58 22.55 2 335.48 - 345.48 Regolith Compliance Well MW-10 830933.88 2041289.17 08/20/08 280.75 282.81 16.61 2 264.14 - 274.14 Regolith Water Level Only NES-3 830895.64 2041197.18 07/31/09 280.69 283.56 12.35 2 268.34 - 273.34 Regolith Compliance Well P-2R 831136.44 2043506.78 06/10/04 343.12 345.90 34.59 2 308.53 - 318.53 Regolith/Partially Weathered Rock Water Level Only PZ-3 830581.61 2043460.99 12/18/93 345.71 349.33 42.40 2 303.31 - 318.31 Partially Weathered Rock Water Level Only PZ-4R 830318.99 2043456.93 06/08/04 335.85 338.82 38.38 2 297.47 - 312.47 Partially Weathered Rock Water Level Only PZ-6 831072.37 2043873.16 02/21/94 346.79 349.21 61.50 2 285.29 - 305.29 Partially Weathered Rock Water Level Only Notes: ft AMSL = Feet above mean sea level TOC = Top of well casing elevation -- = No data available 1)TOC and Ground Surface Elevation surveyed for all wells by SEPI Engineering in September 2009. 2)Screened Interval is approximate, based on field measurements by S&ME in May 2008. 3)MW-5 was resurveyed by Dewberry Engineers Inc. on May 27, 2014, after being repaired on March 5, 2014. TABLE 3 Summary of Well Construction Information City of Durham Closed Landfill, Permit No. 32-01 Durham County, North Carolina Well TypeEastingDate of Construction Geology of Screened IntervalGround SurfaceElevation(ft AMSL)NorthingWell Identification TOCElevation(ft AMSL) WellDepth(feet) WellDiameter(inches) ScreenedInterval(ft AMSL) February 2016 1 of 9 0739-604215.100 G:\Projects\City of Durham\GWMR\2015 November\Tables\City of Durham Tables November 2015.xlsx PZ-6 MW-7 MW-7R MW-8 MW-9R MW-2 MW-3R MW-4R MW-5 MW-10 NES-3 Antimony ug/L 09/19/94 --5 ND ND --ND --ND ----ND ------ SWS GPS = 1 ug/L ug/L 12/02/94 --5 ND ND --ND --ND ----ND ------ EPA MCL = 6 ug/L ug/L 02/07/95 --5 ND ND --ND --ND ----ND ------ ug/L 03/13/95 --5 ND ND --ND --ND ----ND ------ ug/L 11/01/95 ---------------------------- ug/L 06/10/96 --5 ND ND --ND --ND ----ND ------ ug/L 11/12/96 --5 ND ND --ND --6 ----ND ------ ug/L 03/18/97 --5 ND ND --ND --ND ----ND ------ ug/L 10/02/97 --5 ND ND --ND --ND ----ND ------ ug/L 05/26/98 --5 ND ND --ND --ND ----ND ------ ug/L 12/01/98 --5 ND ND --ND --ND ----ND ------ ug/L 06/07/99 --5 ND ND --ND --ND ----ND ------ ug/L 07/08/99 --5 --------------ND -------- ug/L 12/15/99 --5 ND ND --ND --ND --ND ND ------ ug/L 06/06/00 --5 ND ND --ND --ND --ND ND ------ ug/L 12/27/00 --5 ND ND --ND --ND --ND ND ------ ug/L 06/04/01 --5 ND ND --ND --ND --ND ND ------ ug/L 12/03/01 --5 ND ND --ND --ND --ND ND ------ ug/L 06/10/02 --5 ND ND --ND --ND --ND ND ------ ug/L 12/16/02 --5 ND ND --ND --ND --ND ND ------ ug/L 06/09/03 --5 ND ND --ND --ND --ND ND ------ ug/L 12/08/03 --5 ND ND --ND --ND --ND ND ------ ug/L 06/29/04 --5 ND --ND ND --ND --ND ND ------ ug/L 12/20/04 --5 ND --ND ND --ND --ND ND ------ ug/L 06/05/05 --5 ND --ND ND --ND --ND ND ------ ug/L 12/05/05 --5 ND --ND ND --ND --ND ND ------ ug/L 06/05/06 --5 ND --ND ND --ND --ND ND ------ ug/L 12/05/06 --5 ND --ND ND --ND --ND ND ------ ug/L 05/30/07 0.58 6 ND --ND ND --ND --ND ND ----ND ug/L 11/19/07 0.22 6 ND --ND ND --ND --ND ND ----ND ug/L 05/19/08 0.22 6 ----ND ND ND ND 0.26 ND ND ----ND ug/L 11/19/08 0.29 6 ----0.53 B 0.54 B 0.51 B 0.59 B 0.68 B 0.65 B 0.53 B 0.59 B --J 0.53 J ug/L 06/30/09 0.68 6 ----ND ND ND ND ND ND ND ND --ND ug/L 11/30/09 0.073 6 ----ND 0.365 J ND ND 0.196 J ND ND ND --ND ug/L 05/20/10 0.22 6 ----ND 1.42 J ND ND ND ND ND ND --ND ug/L 11/19/10 0.22 6 ----ND ND ND ND ND ND ND ND --ND ug/L 05/19/11 0.22 6 --------ND ND ND ND ND ND --ND ug/L 11/28/11 0.220 6 --------ND 0.269 J 0.277 J 0.635 J ND ND --ND ug/L 05/23/12 --6 --------ND 0.542 J 1.37 J 0.224 J ND ND --ND ug/L 11/26/12 0.220 6 --------ND ND 0.508 J ND ND ND --ND ug/L 05/21/13 0.220 6 --------ND 0.289 J 0.310 J ND ND ND --ND ug/L 11/06/13 0.220 6 --------ND ND ND ND --ND --ND ug/L 05/21/14 0.220 6 --------ND ND 0.233 B ND ND ND ND 0.475 J ug/L 11/24/14 0.220 6 --------ND 0.357 J 0.324 J 0.224 J 0.357 J --ND ND ug/L 05/27/15 0.220 6 --------ND ND 0.795 J ND ND --ND ND ug/L 11/17/15 0.220 6 --------ND ND 0.857 J ND ND --ND ND Arsenic ug/L 09/19/94 --5 11 ND --ND --ND ----ND ------ NC 2L = 10 ug/L ug/L 12/02/94 --5 ND ND --ND --ND ----ND ------ EPA MCL = 10 ug/L ug/L 02/07/95 --5 9.1 ND --ND --ND ----ND ------ ug/L 03/13/95 --5 ND ND --ND --ND ----8.2 ------ ug/L 11/01/95 ----ND ND --ND --ND ----ND ------ ug/L 06/10/96 --5 ND ND --ND --ND ----ND ------ ug/L 11/12/96 --5 ND ND --ND --ND ----ND ------ ug/L 03/18/97 --5 5 ND --ND --ND ----ND ------ ug/L 10/02/97 --5 ND ND --ND --ND ----ND ------ ug/L 05/26/98 --5 ND ND --ND --ND ----ND ------ ug/L 12/01/98 --5 5 ND --ND --ND ----ND ------ ug/L 06/07/99 --5 6 ND ------ND ----ND ------ ug/L 07/08/99 --5 ------ND ------5 -------- ug/L 12/15/99 --5 ND ND --ND --ND --ND ND ------ ug/L 06/06/00 --5 6 ND --ND --ND --ND 7 ------ ug/L 12/27/00 --5 ND ND --ND --ND --ND ND ------ ug/L 06/04/01 --5 ND ND --ND --ND --ND ND ------ ug/L 12/03/01 --5 ND ND --ND --ND --ND 6 ------ ug/L 06/10/02 --5 ND ND --ND --ND --ND ND ------ ug/L 12/16/02 --5 ND ND --ND --ND --ND ND ------ ug/L 06/09/03 --5 ND ND --ND --ND --ND ND ------ ug/L 12/08/03 --5 ND ND --ND --ND --ND 6 ------ ug/L 06/29/04 --5 ND --ND ND --ND --ND ND ------ ug/L 12/20/04 --5 ND --ND ND --ND --ND 7 ------ ug/L 06/05/05 --5 ND --6 ND --ND --ND 6 ------ ug/L 12/05/05 --5 ND --ND ND --ND --ND ND ------ ug/L 06/05/06 --5 ND --ND ND --ND --ND 7 ------ ug/L 12/05/06 --5 ND --ND ND --ND --ND 6 ------ ug/L 05/30/07 2 10 ND --2.0 B 3.1 B --ND --ND 3.4 B ----3.8 J ug/L 11/19/07 0.15 10 2.3 --4.8 1.2 --0.46 --0.69 4.4 ----0.89 ug/L 05/19/08 0.15 10 ----0.72 ND ND ND 2.7 ND 1.9 ----ND ug/L 11/19/08 0.22 10 ----1.7 J 1.3 J 0.26 J 0.59 J 5.9 J 1.2 J 4.4 J 3.7 J --ND ug/L 06/30/09 2.8 10 ----4.4 B ND ND ND 6.2 B 8.2 B 4.9 B ND --4.3 J ug/L 11/30/09 2.8 10 ----ND ND ND ND ND ND ND ND --ND ug/L 05/20/10 2.8 10 ----ND ND ND ND ND ND 5.98 B ND --3.22 J ug/L 11/19/10 2.8 10 ----ND ND ND ND ND ND ND ND --ND ug/L 05/19/11 2.8 10 --------ND ND ND ND ND 5.23 J --ND ug/L 11/28/11 2.80 10 --------4.99 B ND 2.99 B ND 3.24 B ND --4.35 J ug/L 05/23/12 --10 --------ND ND ND ND 7.51 J ND --ND ug/L 11/26/12 2.80 10 --------ND ND ND ND ND ND --ND ug/L 05/21/13 5.40 10 --------ND ND ND ND ND ND --ND ug/L 11/06/13 5.40 10 --------ND ND ND ND --ND --ND ug/L 05/21/14 5.40 10 --------ND ND ND ND ND ND ND ND ug/L 11/24/14 5.40 10 --------ND 7.34 J ND 6.64 J ND --5.80 J ND ug/L 05/27/15 6.80 10 --------ND ND ND ND ND --ND ND ug/L 11/17/15 6.80 10 --------ND ND ND ND ND --ND ND Barium ug/L 09/19/94 ----1834 113 --2115 --199 ----9400 ------ NC 2L= 700 ug/L ug/L 12/02/94 ----760 1775 --119 --32 ----2300 ------ EPA MCL = 2000 ug/L ug/L 02/07/95 ----2648 1484 --111 --48 ----2436 ------ ug/L 03/13/95 ----524 716 --118 --37 ----1630 ------ ug/L 11/01/95 ----970 770 --120 --25 ----3360 ------ ug/L 06/10/96 ----891 459 --123 --50 ----992 ------ ug/L 11/12/96 ----1555 512 --84 --47 ----976 ------ ug/L 03/18/97 ----850 509 --138 --70 ----1154 ------ ug/L 10/02/97 ----840 558 --312 --48 ----1250 ------ ug/L 05/26/98 ----779 482 --103 --48 ----1637 ------ ug/L 12/01/98 ----2390 655 --118 --45 ----867 ------ ug/L 06/07/99 ----1850 2780 --373 --106 ----996 ------ ug/L 07/08/99 ------------------1217 -------- ug/L 12/15/99 ----944 366 --116 --84 --315 942 ------ ug/L 06/06/00 ----2488 1018 --114 --46 --377 3979 ------ ug/L 12/27/00 ----1826 518 --104 --144 --1120 5757 ------ ug/L 06/04/01 ----2804 862 --475 --128 --964 3649 ------ ug/L 12/03/01 ----965 750 --778 --153 --1053 1441 ------ ug/L 06/10/02 ----849 554 --843 --53 --943 1167 ------ ug/L 12/16/02 ----620 429 --209 --59 --544 909 ------ ug/L 06/09/03 ----432 450 --120 --67 --437 941 ------ ug/L 12/08/03 ----2881 648 --141 --85 --544 3692 ------ ug/L 06/29/04 ----5664 --763 139 --97 --551 1899 ------ ug/L 12/20/04 ----578 --639 111 --90 --543 4192 ------ ug/L 06/05/05 ----952 --817 93 --64 --607 1845 ------ ug/L 12/05/05 ----435 --703 92 --126 --585 1758 ------ ug/L 06/05/06 ----575 --880 90 --97 --796 3778 ------ ug/L 12/05/06 ----635 --924 71 --63 --890 3134 ------ ug/L 05/30/07 0.2 100 619 --622 69.0 J --67.2 J --472 1240 ----ND ug/L 11/19/07 1 100 1300 --820 300 --120 --510 1400 ----ND ug/L 05/19/08 1 100 ----600 33 55 J 66 530 580 1300 ----ND ug/L 11/19/08 1.1 100 ----580 64 J 38 J 82 J 380 510 1400 250 --ND ug/L 06/30/09 4.2 100 ----618 106 51.2 J 80.8 J 440 552 1590 341 --ND ug/L 11/30/09 1 100 ----580 39.4 J 45.8 J 58 J 80.8 J 513 1450 168 --ND ug/L 05/20/10 1 100 ----578 41.5 J 45.1 J 64.7 J 166 564 1460 122 --ND ug/L 11/19/10 1 100 ----572 56.1 J 53.3 J 114 102 485 1500 238 --ND ug/L 05/19/11 1 100 --------53.1 J 83 J 116 562 1860 248 --1.14 J ug/L 11/28/11 1.00 100 --------80.4 J 195 130 540 1870 268 --ND ug/L 05/23/12 --100 --------50.6 J 82.2 J 212 577 1920 664 --ND ug/L 11/26/12 1.00 100 --------78.1 J 207 164 553 1710 738 --1.14 J ug/L 05/21/13 1.00 100 --------49.4 J 84.5 J 228 572 1960 221 --ND ug/L 11/06/13 1.00 100 --------42.9 J 187 247 481 --754 --ND ug/L 05/21/14 1.00 100 --------44.4 J 73.6 J 265 560 1880 336 101 ND ug/L 11/24/14 1.00 100 --------44.3 J 224 175 543 1910 --148 ND ug/L 05/27/15 1.00 100 --------40.6 J 82.0 J 295 505 1970 --121 1.05 J ug/L 11/17/15 1.00 100 --------39.3 J 90.1 J 132 463 1760 --99.8 J 2.15 J TABLE 4 Summary of Detected Constituents in Groundwater City of Durham Closed Landfill, Permit #32-01 Durham County, North Carolina BlanksSWS Reporting Limit MDL Detected Monitoring Constituent/Parameter Reporting Units Sample Date Upgradient Downgradient February 2016 2 of 9 0739-604215.100 G:\Projects\City of Durham\GWMR\2015 November\Tables\City of Durham Tables November 2015.xlsx PZ-6 MW-7 MW-7R MW-8 MW-9R MW-2 MW-3R MW-4R MW-5 MW-10 NES-3 TABLE 4 Summary of Detected Constituents in Groundwater City of Durham Closed Landfill, Permit #32-01 Durham County, North Carolina BlanksSWS Reporting Limit MDL Detected Monitoring Constituent/Parameter Reporting Units Sample Date Upgradient Downgradient Beryllium ug/L 09/19/94 --1 8.1 ND --7.3 --1.5 ----9.8 ------ SWS GPS = 4 ug/L ug/L 12/02/94 --1 3.1 3.9 --ND --ND ----5 ------ EPA MCL = 4 ug/L ug/L 02/07/95 --1 8.6 1.9 --ND --ND ----4.7 ------ ug/L 03/13/95 --1 1.5 ND --ND --ND ----5.2 ------ ug/L 11/01/95 --1 18 ND --ND --ND ----8 ------ ug/L 06/10/96 --1 3 ND --ND --1.5 ----ND ------ ug/L 11/12/96 --1 5 ND --ND --ND ----ND ------ ug/L 03/18/97 --1 ND ND --ND --ND ----ND ------ ug/L 10/02/97 --1 1.5 ND --ND --ND ----ND ------ ug/L 05/26/98 --1 1 ND --ND --ND ----ND ------ ug/L 12/01/98 --1 2 ND --ND --ND ----ND ------ ug/L 06/07/99 --1 5 4 --ND --ND ----ND ------ ug/L 07/08/99 --1 --------------2 -------- ug/L 12/15/99 --1 2 ND --ND --ND --ND ND ------ ug/L 06/06/00 --1 7 2 --ND --ND --ND 5 ------ ug/L 12/27/00 --1 2 ND --ND --ND --ND 8 ------ ug/L 06/04/01 --1 4 ND --ND --ND --ND 2 ------ ug/L 12/03/01 --1 ND ND --ND --ND --ND ND ------ ug/L 06/10/02 --1 ND ND --ND --ND --ND ND ------ ug/L 12/16/02 --1 ND ND --ND --ND --ND ND ------ ug/L 06/09/03 --1 ND ND --ND --ND --ND ND ------ ug/L 12/08/03 --1 2 ND --ND --ND --ND 2 ------ ug/L 06/29/04 --1 2 --ND ND --ND --ND ND ------ ug/L 12/20/04 --1 ND --ND ND --ND --ND 2 ------ ug/L 06/05/05 --1 ND --ND ND --ND --ND ND ------ ug/L 12/05/05 --1 ND --ND ND --ND --ND ND ------ ug/L 06/05/06 --1 ND --ND ND --ND --ND 2 ------ ug/L 12/05/06 --1 ND --ND ND --ND --ND 1 ------ ug/L 05/30/07 0.7 1 ND --ND ND --ND --ND ND ----ND ug/L 11/19/07 0.24 1 3.1 --0.79 0.93 --ND --ND ND ----ND ug/L 05/19/08 0.24 1 ----ND ND 0.38 J ND 0.25 ND ND ----ND ug/L 11/19/08 0.28 1 ----0.3 J 0.37 J 0.73 J 0.73 J ND ND 0.34 J ND --ND ug/L 06/30/09 0.08 1 ----ND ND 0.47 J 0.11 J ND 0.13 J ND 0.46 J --ND ug/L 11/30/09 0.1 1 ----ND ND 0.534 B 0.182 B ND ND ND 0.131 B --0.121 J ug/L 05/20/10 0.1 1 ----ND ND 0.521 J 0.21 J ND ND ND ND --ND ug/L 11/19/10 0.1 1 ----ND ND 0.608 J 0.191 J ND ND ND ND --ND ug/L 05/19/11 0.1 1 --------0.549 J 0.242 J ND ND ND 0.14 J --ND ug/L 11/28/11 0.100 1 --------0.770 J 0.204 J ND ND ND ND --ND ug/L 05/23/12 --1 --------0.456 J 0.214 J ND ND ND ND --ND ug/L 11/26/12 0.100 1 --------0.837 J 0.230 J ND ND ND 0.181 J --ND ug/L 05/21/13 0.100 1 --------0.444 J 0.255 J ND ND ND 0.246 J --ND ug/L 11/06/13 0.100 1 --------0.464 J 0.229 J ND ND --ND --ND ug/L 05/21/14 0.100 1 --------0.494 J 0.173 J ND ND ND 0.199 J ND ND ug/L 11/24/14 0.100 1 --------0.384 J 0.136 J ND ND ND --ND ND ug/L 05/27/15 0.100 1 --------0.422 J 0.213 J ND ND ND --ND ND ug/L 11/17/15 0.100 1 --------0.375 J 0.164 J ND ND ND --0.198 J ND Cadmium ug/L 09/19/94 --1 ND ND --ND --ND ----1.6 ------ NC 2L =2 ug/L ug/L 12/02/94 --1 ND ND --ND --1 ----ND ------ EPA MCL = 5 ug/L ug/L 02/07/95 --1 2.2 32 --ND --ND ----1.6 ------ ug/L 03/13/95 --1 ND ND --ND --ND ----ND ------ ug/L 11/01/95 --1 ND ND --ND --ND ----ND ------ ug/L 06/10/96 --1 ND ND --ND --1.8 ----ND ------ ug/L 11/12/96 --1 ND ND --ND --ND ----ND ------ ug/L 03/18/97 --1 ND ND --ND --ND ----ND ------ ug/L 10/02/97 --1 ND ND --ND --ND ----ND ------ ug/L 05/26/98 --1 ND ND --ND --ND ----ND ------ ug/L 12/01/98 --1 ND ND --ND --ND ----ND ------ ug/L 06/07/99 --1 ND ND --ND --ND ----3 ------ ug/L 07/08/99 --1 --------------ND -------- ug/L 12/15/99 --1 ND ND --ND --ND --ND ND ------ ug/L 06/06/00 --1 ND ND --ND --ND --ND 1 ------ ug/L 12/27/00 --1 ND ND --ND --ND --ND 1 ------ ug/L 06/04/01 --1 ND ND --ND --ND --ND ND ------ ug/L 12/03/01 --1 ND ND --ND --ND --ND ND ------ ug/L 06/10/02 --1 ND ND --ND --7 --ND 2 ------ ug/L 12/16/02 --1 ND ND --ND --1 --ND ND ------ ug/L 06/09/03 --1 ND ND --ND --ND --ND ND ------ ug/L 12/08/03 --1 ND ND --ND --ND --ND ND ------ ug/L 06/29/04 --1 1 --ND ND --ND --ND ND ------ ug/L 12/20/04 --1 1 --ND ND --ND --ND ND ------ ug/L 06/05/05 --1 ND --ND ND --ND --ND ND ------ ug/L 12/05/05 --1 ND --ND ND --ND --ND ND ------ ug/L 06/05/06 --1 ND --ND ND --ND --ND ND ------ ug/L 12/05/06 --1 ND --ND ND --ND --ND ND ------ ug/L 05/30/07 0.5 1 ND --ND ND --ND --ND ND ----ND ug/L 11/19/07 0.24 1 0.93 --0.34 ND --ND --ND ND ----ND ug/L 05/19/08 0.24 1 ----ND ND ND ND ND ND ND ----ND ug/L 11/19/08 0.15 1 ----0.29 B 0.31 B 0.29 B 0.49 B 0.34 B 0.4 B 0.28 B 0.32 B --0.28 J ug/L 06/30/09 0.09 1 ----ND ND ND ND 0.12 B ND 0.13 B 0.26 B --0.22 J ug/L 11/30/09 0.36 1 ----ND ND ND ND ND ND ND ND --ND ug/L 05/20/10 0.36 1 ----ND ND ND ND ND ND ND ND --ND ug/L 11/19/10 0.36 1 ----ND ND ND ND ND ND ND ND --ND ug/L 05/19/11 0.36 1 --------ND ND ND ND ND ND --ND ug/L 11/28/11 0.360 1 --------ND ND ND ND ND ND --ND ug/L 05/23/12 --1 --------ND ND ND ND ND ND --ND ug/L 11/26/12 0.360 1 --------0.506 J ND ND ND ND ND --ND ug/L 05/21/13 0.360 1 --------ND ND ND ND ND ND --ND ug/L 11/06/13 0.360 1 --------ND ND ND ND --ND --ND ug/L 05/21/14 0.360 1 --------0.614 J ND ND ND 0.905 J 0.361 J ND ND ug/L 11/24/14 0.360 1 --------ND 0.490 J ND ND ND --ND ND ug/L 05/27/15 0.360 1 --------ND ND ND ND ND --ND ND ug/L 11/17/15 0.360 1 --------ND 0.453 J ND ND ND --ND ND Chromium ug/L 09/19/94 --5 207 12 --139 --25 ----699 ------ NC 2L = 10 ug/L ug/L 12/02/94 --5 71 95 --9.7 --ND ----142 ------ EPA MCL = 100 ug/L ug/L 02/07/95 --5 271 45 --8.3 --ND ----128 ------ ug/L 03/13/95 --5 5.8 14 --13 --ND ----36 ------ ug/L 11/01/95 --5 40 7 --6 --ND ----129 ------ ug/L 06/10/96 --5 65 ND --ND --ND ----12 ------ ug/L 11/12/96 --5 133 10 --9 --ND ----19 ------ ug/L 03/18/97 --5 ND ND --ND --ND ----ND ------ ug/L 10/02/97 --5 65 7 --ND --ND ----ND ------ ug/L 05/26/98 --5 37 5 --ND --ND ----6 ------ ug/L 12/01/98 --5 176 9 --11 --ND ----ND ------ ug/L 06/07/99 --5 46 35 --ND --ND ----7 ------ ug/L 07/08/99 --5 --------------108 -------- ug/L 12/15/99 --5 121 5 --5 --5 --5 5 ------ ug/L 06/06/00 --5 297 33 --5 --5 --5 7 ------ ug/L 12/27/00 --5 102 ND --ND --7 --ND 150 ------ ug/L 06/04/01 --5 41 25 --13 --ND --ND ND ------ ug/L 12/03/01 --5 54 16 --ND --ND --ND 24 ------ ug/L 06/10/02 --5 21 ND --6 --ND --ND 7 ------ ug/L 12/16/02 --5 32 5 --17 --ND --30 ND ------ ug/L 06/09/03 --5 88 7 --10 --5 --9 ND ------ ug/L 12/08/03 --5 89 19 --10 --ND --17 40 ------ ug/L 06/29/04 --5 104 --13 12 --13 --ND 16 ------ ug/L 12/20/04 --5 11 --7 ND --6 --ND 67 ------ ug/L 06/05/05 --5 32 --18 ND --ND --ND 14 ------ ug/L 12/05/05 --5 ND --7 ND --5 --5 22 ------ ug/L 06/05/06 --5 69 --9 ND --6 --ND 41 ------ ug/L 12/05/06 --5 9 --ND ND --ND --ND 5 ------ ug/L 05/30/07 2 10 7.0 J --ND ND --ND --ND ND ----ND ug/L 11/19/07 2.3 10 90 --18 20 --4.7 --2.3 8.8 ----ND ug/L 05/19/08 2.3 10 ----ND ND ND ND 2.4 J ND ND ----ND ug/L 11/19/08 2 10 ----ND 2.3 J ND ND 3.0 J 2.5 J ND 6.3 J --ND ug/L 06/30/09 0.7 10 ----1.2 J 0.7 J 0.7 J 1.4 J 1.2 J 0.7 J 1.3 J 6.1 J --ND ug/L 11/30/09 1 10 ----2.12 J ND 1.21 J ND 1.45 J ND ND 1.02 J --ND ug/L 05/20/10 1 10 ----ND 1.72 J ND ND 1.64 J ND ND 2.07 J --ND ug/L 11/19/10 1 10 ----3.28 J ND 5.65 J 2.27 J 1.47 J ND ND 2.62 J --ND ug/L 05/19/11 1 10 --------1.3 J 8.21 J 4.85 J 1.37 J 1.29 J 4.17 J --ND ug/L 11/28/11 1.00 10 --------7.67 J 4.88 J 3.02 J ND 1.27 J ND --ND ug/L 05/23/12 --10 --------2.09 J 5.55 J 4.28 J 1.51 J 1.86 J 2.76 J --ND ug/L 11/26/12 1.00 10 --------8.65 J 2.56 J 2.03 J ND ND 1.45 J --ND ug/L 05/21/13 1.40 10 --------2.35 J 6.43 J ND ND ND 4.36 J --ND ug/L 11/06/13 1.40 10 --------ND 2.42 J 4.05 J 1.72 J --ND --ND ug/L 05/21/14 1.40 10 --------2.03 J 1.49 J 4.33 J ND ND 3.44 J 1.88 J ND ug/L 11/24/14 1.40 10 --------2.36 J ND 2.35 J ND ND --4.70 J ND ug/L 05/27/15 1.40 10 --------ND ND ND ND ND --ND ND ug/L 11/17/15 1.40 10 --------ND ND ND ND ND --ND ND February 2016 3 of 9 0739-604215.100 G:\Projects\City of Durham\GWMR\2015 November\Tables\City of Durham Tables November 2015.xlsx PZ-6 MW-7 MW-7R MW-8 MW-9R MW-2 MW-3R MW-4R MW-5 MW-10 NES-3 TABLE 4 Summary of Detected Constituents in Groundwater City of Durham Closed Landfill, Permit #32-01 Durham County, North Carolina BlanksSWS Reporting Limit MDL Detected Monitoring Constituent/Parameter Reporting Units Sample Date Upgradient Downgradient Cobalt ug/L 09/19/94 ------ND --32 --ND ----89 ------ SWS GPS = 1 ug/L ug/L 12/02/94 ----ND 11 --ND --ND ----39 ------ No EPA MCL ug/L 02/07/95 ----30 14 --ND --ND ----23 ------ ug/L 03/13/95 ------12 --ND --ND ----18 ------ ug/L 11/01/95 --10 12 ND --ND --ND ----47 ------ ug/L 06/10/96 --10 ND ND --12 --ND ----ND ------ ug/L 11/12/96 --10 34 ND --13 --ND ----ND ------ ug/L 03/18/97 --10 16 ND --16 --ND ----ND ------ ug/L 10/02/97 --10 20.6 ND --21.5 --ND ----ND ------ ug/L 05/26/98 --10 45 ND --15 --ND ----ND ------ ug/L 12/01/98 --25 ND ND --ND --ND ----ND ------ ug/L 06/07/99 --10 34 55 --14 --ND ----ND ------ ug/L 07/08/99 --10 --------------29 -------- ug/L 12/15/99 --10 16 ND --14 --ND --ND ND ------ ug/L 06/06/00 --10 32 ND --14 --ND --ND 76 ------ ug/L 12/27/00 --10 ND ND --19 --ND --ND 150 ------ ug/L 06/04/01 --10 50 ND --13 --ND --ND 60 ------ ug/L 12/03/01 --10 33 26 --17 --ND --ND 11 ------ ug/L 06/10/02 --10 16 12 --20 --ND --ND 14 ------ ug/L 12/16/02 --10 14 ND --25 --ND --11 ND ------ ug/L 06/09/03 --10 ND ND --16 --ND --ND ND ------ ug/L 12/08/03 --10 87 ND --16 --ND --ND 65 ------ ug/L 06/29/04 --10 91 --ND 26 --ND --ND ND ------ ug/L 12/20/04 --5 7.4 --ND 20 --ND --ND 47 ------ ug/L 06/05/05 --------------ND ------------ ug/L 12/05/05 --------------ND ------------ ug/L 06/05/06 --------------ND ------------ ug/L 12/05/06 --------------ND ------------ ug/L 05/30/07 2 10 3.2 J --ND 11.2 --ND --ND ND ----ND ug/L 11/19/07 1.1 10 16 --7 J 21 --2.3 J --2 J 2.5 J ----ND ug/L 05/19/08 1.1 10 ----ND 2.6 J 5.1 J ND 7.3 ND ND ----ND ug/L 11/19/08 1.1 10 ----ND 7.8 J 5.0 J ND 4.7 J ND ND 16 --ND ug/L 06/30/09 0.6 10 ----ND 5.7 J 5.9 J 0.7 J 6.7 J 0.8 J ND 21.7 --ND ug/L 11/30/09 1.1 10 ----ND 4.28 J 5.43 J ND 1.95 J ND ND 8.89 J --ND ug/L 05/20/10 1.1 10 ----ND 6.01 J 5.75 J ND 4.42 J ND ND 3.89 J --ND ug/L 11/19/10 1.1 10 ----ND 4.41 J 6.12 J ND 2.5 J ND ND 8.05 J --ND ug/L 05/19/11 1.1 10 --------6.93 J ND 1.7 J ND ND 5.31 J --ND ug/L 11/28/11 1.10 10 --------7.63 J ND 2.74 J ND ND 5.64 J --ND ug/L 05/23/12 --10 --------5.64 J 1.18 J 4.70 J 1.24 J ND 4.63 J --ND ug/L 11/26/12 1.10 10 --------6.61 J ND 2.88 J ND ND 6.42 J --ND ug/L 05/21/13 1.10 10 --------5.19 J ND 3.16 J ND ND ND --ND ug/L 11/06/13 1.10 10 --------5.27 B 1.30 B 5.05 B ND --8.49 J --1.11 J ug/L 05/21/14 1.10 10 --------6.10 J ND 6.05 J ND ND 2.36 J 5.57 J ND ug/L 11/24/14 1.10 10 --------6.25 J ND 1.89 J ND ND --10.5 ND ug/L 05/27/15 1.10 10 --------5.99 J ND 5.85 J ND ND --6.71 J ND ug/L 11/17/15 1.10 10 --------5.95 J ND 4.37 J ND ND --4.59 J ND Copper ug/L 09/19/94 --5 109 ND --73 --7 ----598 ------ NC 2L = 1000 ug/L ug/L 12/02/94 --5 44 43 --7.3 --ND ----113 ------ EPA MCL = 1300 ug/L#ug/L 02/07/95 --5 150 50 --5.2 --ND ----75 ------ ug/L 03/13/95 --5 17 11 --6.8 --ND ----58 ------ ug/L 11/01/95 --5 20 7 --ND --ND ----145 ------ ug/L 06/10/96 --5 62 ND --ND --ND ----8.7 ------ ug/L 11/12/96 --5 73 ND --ND --ND ----10 ------ ug/L 03/18/97 --5 ND ND --ND --ND ----ND ------ ug/L 10/02/97 --5 27 ND --ND --ND ----ND ------ ug/L 05/26/98 --5 30 ND --ND --ND ----ND ------ ug/L 12/01/98 --5 60 ND --ND --ND ----ND ------ ug/L 06/07/99 --5 69 43 --ND --ND ----10 ------ ug/L 07/08/99 --5 --------------89 -------- ug/L 12/15/99 --5 30 5 --5 --5 --5 6 ------ ug/L 06/06/00 --5 101 17 --5 --5 --5 -------- ug/L 12/27/00 --5 48 ND --ND --5 --5 34 ------ ug/L 06/04/01 --5 95 ND --ND --ND --ND 28 ------ ug/L 12/03/01 --5 28 14 --ND --ND --ND 15 ------ ug/L 06/10/02 --5 30 5 --7 --ND --ND 20 ------ ug/L 12/16/02 --5 16 10 --23 --ND --20 16 ------ ug/L 06/09/03 --5 52 5 --8 --ND --ND 14 ------ ug/L 12/08/03 --5 92 6 --7 --ND --6 26 ------ ug/L 06/29/04 --5 211 --12 5 --5 --ND -------- ug/L 12/20/04 --5 7 --ND 6 --ND --ND -------- ug/L 06/05/05 --2 28 --11 ND --ND --ND -------- ug/L 12/05/05 --2 ND --ND ND --4 --4 -------- ug/L 06/05/06 --2 6 --7 4 --3 --3 -------- ug/L 12/05/06 --2 4 --ND ND --ND --ND -------- ug/L 05/30/07 0.6 10 7.2 J --0.6 B ND --1.1 B --1.7 B ND ----0.7 J ug/L 11/19/07 0.45 10 50 --7.2 17 --2.1 B --1.1 B 4 B ----1.1 ug/L 05/19/08 0.45 10 ----1.3 B 1.8 B 2.4 B 1.8 B 7.3 B 4.6 B 1.7 B ----5.7 ug/L 11/19/08 0.48 10 ----1.2 B 2.6 B 1.2 B 1.4 B 3.4 B 1.5 B 1.3 B 3.7 B --1.1 J ug/L 06/30/09 0.81 10 ----ND ND 1.14 B ND ND ND ND 1.33 B --2.36 J ug/L 11/30/09 1.6 10 ----ND ND ND ND ND ND ND ND --ND ug/L 05/20/10 1.6 10 ----ND ND ND ND ND ND ND 11.5 --ND ug/L 11/19/10 1.6 10 ----ND ND ND ND ND ND ND ND --ND ug/L 05/19/11 1.6 10 --------1.99 J 2.62 J 2.50 J ND ND 6.08 J --ND ug/L 11/28/11 1.60 10 --------5.69 J 2.95 J ND ND ND 1.79 J --ND ug/L 05/23/12 --10 --------1.76 J 2.12 J ND 3.91 J ND ND --ND ug/L 11/26/12 1.60 10 --------3.48 J ND ND ND ND ND --ND ug/L 05/21/13 1.60 10 --------ND 2.35 J ND ND ND 12.0 --ND ug/L 11/06/13 1.60 10 --------ND 4.59 J ND ND --ND --ND ug/L 05/21/14 1.60 10 --------ND 2.03 J 1.64 J ND ND 6.82 J 1.63 J ND ug/L 11/24/14 1.60 10 --------ND 1.68 J ND ND ND --ND ND ug/L 05/27/15 1.60 10 --------ND ND ND ND ND --2.40 J ND ug/L 11/17/15 10 --------ND 6.68 J ND ND ND --4.33 J ND Lead ug/L 09/19/94 --5 40 8.8 --47 --ND ----199 ------ NC 2L = 15 ug/L ug/L 12/02/94 --5 30 53 --10 --14 ----77 ------ EPA MCL = 15 ug/L ug/L 02/07/95 --5 76 34 --12 --7.8 ----63 ------ ug/L 03/13/95 --5 11 14 --63 --ND ----35 ------ ug/L 11/01/95 --5 14 9 --ND --ND ----60 ------ ug/L 06/10/96 --5 25 ND --ND --ND ----ND ------ ug/L 11/12/96 --5 30 10 --ND --ND ----8 ------ ug/L 03/18/97 --5 ND 10 --ND --ND ----ND ------ ug/L 10/02/97 --5 16 22 --7 --ND ----14 ------ ug/L 05/26/98 --5 11 ND --ND --ND ----ND ------ ug/L 12/01/98 --5 36 8 --ND --ND ----ND ------ ug/L 06/07/99 --5 19 54 --ND --ND ----8 ------ ug/L 07/08/99 --5 --------------29 -------- ug/L 12/15/99 --5 14 ND --ND --ND --ND ND ------ ug/L 06/06/00 --5 37 28 --ND --ND --ND 16 ------ ug/L 12/27/00 --5 20 ND --ND --10 --ND 82 ------ ug/L 06/04/01 --5 35 ND --ND --8 --ND 68 ------ ug/L 12/03/01 --5 23 30 --ND --ND --ND 23 ------ ug/L 06/10/02 --5 6 ND --ND --ND --ND 7 ------ ug/L 12/16/02 --5 ND 5 --12 --5 --8 ND ------ ug/L 06/09/03 --5 ND 8 --ND --ND --ND ND ------ ug/L 12/08/03 --5 35 8 --ND --ND --ND 47 ------ ug/L 06/29/04 --5 83 --6 ND --ND --28 11 ------ ug/L 12/20/04 --5 ND --ND ND --ND --ND 75 ------ ug/L 06/05/05 --5 13 --7 ND --ND --ND 39 ------ ug/L 12/05/05 --5 ND --ND ND --ND --ND 13 ------ ug/L 06/05/06 --5 ND --ND ND --ND --ND 38 ------ ug/L 12/05/06 --5 ND --ND ND --ND --ND 12 ------ ug/L 05/30/07 2 10 3.5 B --ND ND --ND --ND ND ----3.1 J ug/L 11/19/07 2.4 10 25 --13 B 17 B --11 B --3.8 B 5.1 B ----3.5 ug/L 05/19/08 2.4 5 ----ND ND ND ND ND ND ND ----ND ug/L 11/19/08 0.13 10 ----4.7 B 1.2 B 3.2 B 0.5 B 1.3 B 0.19 B 0.29 B 3.8 B --3.1 J ug/L 06/30/09 1.6 10 ----ND 2.3 B ND ND ND 3.6 B 2.1 B 8.8 B --ND ug/L 11/30/09 1.9 10 ----ND ND ND ND ND ND ND 2.22 B --3.09 J ug/L 05/20/10 1.9 10 ----ND 2.51 J ND ND ND ND ND 2.04 J --ND ug/L 11/19/10 1.9 10 ----2.62 J ND ND ND ND ND ND ND --ND ug/L 05/19/11 1.9 10 --------ND ND ND ND ND ND --ND ug/L 11/28/11 1.90 10 --------2.81 J ND ND ND ND ND --ND ug/L 05/23/12 --10 --------2.21 J ND ND ND ND ND --ND ug/L 11/26/12 1.90 10 --------2.39 J ND ND ND ND ND --ND ug/L 05/21/13 2.10 10 --------ND ND 2.90 J ND ND 2.82 J --ND ug/L 11/06/13 2.10 10 --------ND ND ND ND --ND --ND ug/L 05/21/14 2.10 10 --------ND ND 5.52 J ND 2.78 J 3.76 J ND ND ug/L 11/24/14 2.10 10 --------ND ND ND ND ND --ND ND ug/L 05/27/15 3.10 10 --------ND ND ND ND ND --ND ND ug/L 11/17/15 3.10 10 --------ND ND 3.51 J ND ND --ND ND February 2016 4 of 9 0739-604215.100 G:\Projects\City of Durham\GWMR\2015 November\Tables\City of Durham Tables November 2015.xlsx PZ-6 MW-7 MW-7R MW-8 MW-9R MW-2 MW-3R MW-4R MW-5 MW-10 NES-3 TABLE 4 Summary of Detected Constituents in Groundwater City of Durham Closed Landfill, Permit #32-01 Durham County, North Carolina BlanksSWS Reporting Limit MDL Detected Monitoring Constituent/Parameter Reporting Units Sample Date Upgradient Downgradient Nickel ug/L 09/19/94 --10 17 13 --77 --15 ----468 ------ NC 2L = 100 ug/L ug/L 12/02/94 --10 56 55 --14 --ND ----96 ------ No EPA MCL ug/L 02/07/95 --10 211 31 --ND --ND ----64 ------ ug/L 03/13/95 --10 30 25 --11 --ND ----61 ------ ug/L 11/01/95 --10 32 16 --ND --ND ----68 ------ ug/L 06/10/96 --10 49 ND --ND --ND ----ND ------ ug/L 11/12/96 --10 103 ND --ND --ND ----12 ------ ug/L 03/18/97 --10 50 ND --ND --ND ----ND ------ ug/L 10/02/97 --10 52 ND --ND --ND ----ND ------ ug/L 05/26/98 --10 43 ND --ND --ND ----ND ------ ug/L 12/01/98 --10 124 ND --ND --ND ----ND ------ ug/L 06/07/99 --10 126 34 --ND --ND ----16 ------ ug/L 07/08/99 --10 --------------37 -------- ug/L 12/15/99 --10 227 ND --ND --10 --ND ND ------ ug/L 06/06/00 --10 343 25 --ND --ND --ND 13 ------ ug/L 12/27/00 --10 144 ND --ND --ND --ND 132 ------ ug/L 06/04/01 --10 88 ND --ND --ND --11 20 ------ ug/L 12/03/01 --10 54 16 --ND --ND --ND 19 ------ ug/L 06/10/02 --10 21 ND --ND --ND --ND ND ------ ug/L 12/16/02 --10 33 ND --14 --ND --ND ND ------ ug/L 06/09/03 --10 26 ND --11 --ND --ND ND ------ ug/L 12/08/03 --10 99 ND --ND --ND --ND 29 ------ ug/L 06/29/04 --10 130 --10 ND --12 --ND 14 ------ ug/L 12/20/04 --10 10 --10 ND --ND --ND 46 ------ ug/L 06/05/05 --10 35 --11 ND --ND --ND 13 ------ ug/L 12/05/05 --10 ND --ND ND --10 --ND 15 ------ ug/L 06/05/06 --10 61 --ND ND --ND --ND 33 ------ ug/L 12/05/06 --10 32 --ND ND --ND --ND ND ------ ug/L 05/30/07 2 50 27.4 J --ND 2.9 J --ND --2.9 J 4.0 J ----ND ug/L 11/19/07 9.8 50 140 --19 37 --9.9 --ND 11 ----ND ug/L 05/19/08 9.8 50 ----ND ND ND ND ND ND ND ----ND ug/L 11/19/08 9.8 50 ----ND ND ND ND 11.0 ND ND 10.0 J --ND ug/L 06/30/09 0.6 50 ----2.1 B 7.6 B 3.6 B 3.4 B 8.7 B 5.0 B 5.7 B 13.1 B --0.6 J ug/L 11/30/09 1.8 50 ----ND ND 2.17 B ND 5.81 B 2.29 B 2.81 B 4.28 B --4.59 J ug/L 05/20/10 1.8 50 ----ND ND 2.61 J ND 6.78 J 2.56 J 3.20 J 1.98 J --ND ug/L 11/19/10 1.8 50 ----ND ND 4.33 J 3.13 J 5.34 J 2.37 J 1.89 J 6.23 J --ND ug/L 05/19/11 1.8 50 --------3.03 J 2.99 J 6.92 J 3.94 J 3.31 J 6.16 J --ND ug/L 11/28/11 1.80 50 --------5.78 J 8.84 J 7.08 J 2.95 J 2.84 J 5.47 J --ND ug/L 05/23/12 --50 --------2.77 J 3.36 J 5.84 J 4.50 J 2.13 J 5.26 J --ND ug/L 11/26/12 1.80 50 --------6.52 J 6.93 J 6.03 J 3.37 J 2.54 J 3.98 J --ND ug/L 05/21/13 1.80 50 --------2.68 J 6.92 J 4.02 J 3.75 J 3.51 J 5.52 J --ND ug/L 11/06/13 1.80 50 --------ND 7.54 J 8.35 J ND --6.08 J --ND ug/L 05/21/14 1.80 50 --------ND ND 7.44 J ND 3.53 J 3.93 J 3.88 J ND ug/L 11/24/14 1.80 50 --------ND 6.85 J 4.83 J ND 3.84 J --6.19 J ND ug/L 05/27/15 1.80 50 --------ND ND 5.72 J ND 3.58 J --5.83 J ND ug/L 11/17/15 1.80 50 --------ND ND 4.73 J ND 3.53 J --4.84 J ND Selenium ug/L 09/19/94 --5 ND ND --ND --ND ----ND ------ NC 2L = 20 ug/L ug/L 12/02/94 --5 ND ND --ND --7.6 ----ND ------ EPA MCL = 50 ug/L ug/L 02/07/95 --5 ND ND --ND --ND ----ND ------ ug/L 03/13/95 --5 ND ND --ND --ND ----ND ------ ug/L 11/01/95 --5 ND ND --ND --ND ----ND ------ ug/L 06/10/96 --5 ND ND --ND --ND ----ND ------ ug/L 11/12/96 --5 ND ND --ND --ND ----ND ------ ug/L 03/18/97 --5 ND ND --ND --ND ----ND ------ ug/L 10/02/97 --5 ND ND --ND --ND ----ND ------ ug/L 05/26/98 --5 ND ND --ND --ND ----ND ------ ug/L 12/01/98 --5 ND ND --ND --ND ----ND ------ ug/L 06/07/99 --5 ND ND --ND --ND ----ND ------ ug/L 07/08/99 --5 --------------ND -------- ug/L 12/15/99 --5 ND ND --ND --ND --ND ND ------ ug/L 06/06/00 --5 ND ND --ND --ND --ND ND ------ ug/L 12/27/00 --5 ND ND --ND --ND --ND ND ------ ug/L 06/04/01 --5 ND ND --ND --ND --ND ND ------ ug/L 12/03/01 --5 ND ND --ND --ND --ND ND ------ ug/L 06/10/02 --5 ND ND --ND --ND --ND ND ------ ug/L 12/16/02 --5 ND ND --ND --ND --ND ND ------ ug/L 06/09/03 --5 ND ND --ND --ND --ND ND ------ ug/L 12/08/03 --5 ND ND --ND --ND --ND ND ------ ug/L 06/29/04 --5 ND --ND ND --ND --ND ND ------ ug/L 12/20/04 --5 ND --ND ND --ND --ND ND ------ ug/L 06/05/05 --5 ND --ND ND --ND --ND ND ------ ug/L 12/05/05 --5 ND --ND ND --ND --ND ND ------ ug/L 06/05/06 --5 ND --ND ND --ND --ND ND ------ ug/L 12/05/06 --5 ND --ND ND --ND --ND ND ------ ug/L 05/30/07 2 10 ND --ND 3.2 B --ND --ND ND ----5.7 J ug/L 11/19/07 0.43 10 1.4 B --1 B 2.5 B --0.51 B --1.5 B 1.5 B ----0.52 ug/L 05/19/08 0.43 10 ----ND ND ND ND 0.85 0.47 ND ----ND ug/L 11/19/08 0.32 10 ----ND 0.67 B 0.55 B ND 1.5 B 0.42 B 0.64 B 1.5 B --0.36 J ug/L 06/30/09 3.4 10 ----2.1 B 7.6 B 3.6 B 3.4 B 8.7 B 5.0 B 5.7 B 13.1 B --0.6 J ug/L 11/30/09 2.7 10 ----ND ND ND ND ND ND ND ND --ND ug/L 05/20/10 0.83 10 ----ND ND ND ND 2.79 J 1.22 J 1.42 J ND --ND ug/L 11/19/10 0.83 10 ----ND 0.863 J ND ND 2.41 J 0.928 J 1.12 J 2.11 J --ND ug/L 05/19/11 0.83 10 --------ND ND 2.87 J 1.76 J 2.14 J 3.01 J --ND ug/L 11/28/11 2.70 10 --------ND ND ND ND ND ND --ND ug/L 05/23/12 --10 --------ND ND ND ND ND ND --ND ug/L 11/26/12 4.50 10 --------ND ND ND ND ND ND --ND ug/L 05/21/13 5.00 10 --------ND ND ND ND ND ND --ND ug/L 11/06/13 5.00 10 --------ND ND ND ND --ND --ND ug/L 05/21/14 5.00 10 --------ND ND ND ND ND ND ND ND ug/L 11/24/14 5.00 10 --------ND ND ND ND ND --ND ND ug/L 05/27/15 5.00 10 --------ND ND ND ND ND --ND ND ug/L 11/17/15 5.00 10 --------ND ND ND ND ND --ND ND Silver ug/L 09/19/94 --1 ND ND --ND --ND ----ND ------ NC 2L = 20 ug/L ug/L 12/02/94 --1 ND ND --ND --ND ----ND ------ EPA MCL = 100 ug/L ug/L 02/07/95 --1 ND ND --ND --ND ----ND ------ ug/L 03/13/95 --1 ND ND --ND --ND ----ND ------ ug/L 11/01/95 --1 ND ND --ND --ND ----ND ------ ug/L 06/10/96 --1 ND ND --ND --ND ----ND ------ ug/L 11/12/96 --1 5 ND --ND --2 ----ND ------ ug/L 03/18/97 --1 ND ND --ND --ND ----ND ------ ug/L 10/02/97 --1 ND ND --ND --ND ----ND ------ ug/L 05/26/98 --1 ND ND --1 --ND ----ND ------ ug/L 12/01/98 --1 1 2 --ND --ND ----ND ------ ug/L 06/07/99 --1 ND ND --ND --ND ----ND ------ ug/L 07/08/99 --1 --------------ND -------- ug/L 12/15/99 --1 ND ND --ND --10 --ND ND ------ ug/L 06/06/00 --1 ND ND --ND --ND --ND ND ------ ug/L 12/27/00 --1 ND ND --ND --ND --ND 2 ------ ug/L 06/04/01 --1 ND ND --ND --3 --ND 2 ------ ug/L 12/03/01 --1 ND ND --ND --ND --ND ND ------ ug/L 06/10/02 --1 ND ND --ND --ND --1 ND ------ ug/L 12/16/02 --1 ND ND --ND --ND --ND ND ------ ug/L 06/09/03 --1 ND ND --ND --ND --ND ND ------ ug/L 12/08/03 --1 ND ND --ND --ND --ND 3 ------ ug/L 06/29/04 --1 8 ND ND ND --1 --ND ND ------ ug/L 12/20/04 --1 ND --ND ND --1 --ND ND ------ ug/L 06/05/05 --1 ND --2 ND --ND --ND ND ------ ug/L 12/05/05 --1 ND --ND ND --ND --ND ND ------ ug/L 06/05/06 --1 ND --ND ND --ND --ND 1 ------ ug/L 12/05/06 --1 ND --ND ND --ND --ND 2 ------ ug/L 05/30/07 2 10 ND --ND ND --ND --2.0 J ND ----ND ug/L 11/19/07 2.5 10 ----ND ND --ND --ND ND ----ND ug/L 05/19/08 2.5 10 ----ND ND ND ND ND ND ND ----ND ug/L 11/19/08 3.2 10 ----ND ND ND ND ND ND ND ND --ND ug/L 06/30/09 3.2 10 ------------------------ ug/L 11/30/09 1.9 10 ----ND ND ND ND ND ND 2.57 J ND --ND ug/L 05/20/10 1.9 10 ----ND ND ND ND 2.11 J ND ND ND --ND ug/L 11/19/10 1.9 10 ----ND ND ND ND ND ND ND ND --ND ug/L 05/19/11 1.9 10 --------ND ND ND ND ND ND --ND ug/L 11/28/11 1.90 10 --------ND 2.01 J ND ND ND 7.19 J --ND ug/L 05/23/12 --10 --------7.43 J 5.61 J 2.88 J 2.73 J ND 5.95 J --ND ug/L 11/26/12 1.90 10 --------2.14 J ND ND ND ND ND --ND ug/L 05/21/13 1.90 10 --------3.33 J ND ND ND ND ND --ND ug/L 11/06/13 1.90 10 --------ND ND 3.14 J ND --3.64 J --ND ug/L 05/21/14 1.90 10 --------ND ND ND ND ND ND ND ND ug/L 11/24/14 1.90 10 --------ND ND ND 2.32 ND --ND ND ug/L 05/27/15 1.90 10 --------ND ND ND ND ND --ND ND ug/L 11/17/15 1.90 10 --------4.07 B 6.16 B 3.43 B 2.70 B 3.99 B --ND 2.22 J February 2016 5 of 9 0739-604215.100 G:\Projects\City of Durham\GWMR\2015 November\Tables\City of Durham Tables November 2015.xlsx PZ-6 MW-7 MW-7R MW-8 MW-9R MW-2 MW-3R MW-4R MW-5 MW-10 NES-3 TABLE 4 Summary of Detected Constituents in Groundwater City of Durham Closed Landfill, Permit #32-01 Durham County, North Carolina BlanksSWS Reporting Limit MDL Detected Monitoring Constituent/Parameter Reporting Units Sample Date Upgradient Downgradient Thallium ug/L 09/19/94 --5 ND ND --ND --ND ----6.1 ------ SWS GPS = 0.28 ug/L ug/L 12/02/94 --5 ND ND --ND --ND ----ND ------ EPA MCL = 2 ug/L ug/L 02/07/95 --5 ND ND --ND --ND ----ND ------ ug/L 03/13/95 --5 ND ND --ND --ND ----ND ------ ug/L 11/01/95 --5 ND ND --ND --ND ----ND ------ ug/L 06/10/96 --5 ND ND --ND --ND ----ND ------ ug/L 11/12/96 --5 ND ND --ND --ND ----ND ------ ug/L 03/18/97 --5 ND ND --ND --ND ----ND ------ ug/L 10/02/97 --5 ND ND --ND --ND ----ND ------ ug/L 05/26/98 --5 ND ND --ND --ND ----ND ------ ug/L 12/01/98 --5 ND ND --ND --ND ----ND ------ ug/L 06/07/99 --1 ND ND --ND --ND ----ND ------ ug/L 07/08/99 --1 --------------ND -------- ug/L 12/15/99 --1 ND ND ------ND --ND ND ------ ug/L 06/06/00 --1 ND ND ------ND --ND ND ------ ug/L 12/27/00 --1 ND ND ------ND --ND 1 ------ ug/L 06/04/01 --1 ND ND ------ND --ND 1 ------ ug/L 12/03/01 --1 ND ND ------ND --ND ND ------ ug/L 06/10/02 --1 ND ND ------ND --ND ND ------ ug/L 12/16/02 --1 ND ND ------ND --ND ND ------ ug/L 06/09/03 --1 ND ND ------ND --ND ND ------ ug/L 12/08/03 --1 ND ND ------ND --ND ND ------ ug/L 06/29/04 --1 2 --ND ND --ND --ND ND ------ ug/L 12/20/04 --1 ND --ND ND --ND --ND ND ------ ug/L 06/05/05 --1 ND --ND ND --ND --ND ND ------ ug/L 12/05/05 --1 ND --ND ND --ND --ND ND ------ ug/L 06/05/06 --1 ND --ND ND --ND --ND ND ------ ug/L 12/05/06 --1 ND --ND ND --ND --ND ND ------ ug/L 05/30/07 0.044 5.5 0.108 J --ND ND --ND --ND ND ----ND ug/L 11/19/07 0.09 5.5 ----ND ND --ND --ND ND ----ND ug/L 05/19/08 0.09 5.5 ----ND ND ND ND ND ND ND ----ND ug/L 11/19/08 0.22 5.5 ----ND ND ND ND ND ND ND ND --ND ug/L 06/30/09 0.036 5.5 ----ND ND ND ND ND ND ND ND --ND ug/L 11/30/09 0.11 5.5 ----ND 0.75 J ND ND ND 3.14 J ND ND --ND ug/L 05/20/10 0.11 5.5 ----ND ND ND ND ND ND ND ND --ND ug/L 11/19/10 0.11 5.5 ----ND ND ND ND ND ND ND ND --ND ug/L 05/19/11 0.11 5.5 --------ND ND ND ND ND ND --ND ug/L 11/28/11 0.110 5.5 --------ND 0.142 J ND 0.281 J ND ND --ND ug/L 05/23/12 --5.5 --------ND ND ND ND ND ND --ND ug/L 11/26/12 0.110 5.5 --------ND ND ND ND ND ND --ND ug/L 05/21/13 0.110 5.5 --------ND ND ND ND ND ND --ND ug/L 11/06/13 0.110 5.5 --------ND ND ND ND --ND --ND ug/L 05/21/14 0.110 5.5 --------ND ND ND ND ND ND ND ND ug/L 11/24/14 0.110 5.5 --------ND ND ND ND ND --ND ND ug/L 05/27/15 0.110 5.5 --------ND ND ND ND ND --ND ND ug/L 11/17/15 0.110 5.5 --------ND ND ND ND ND --ND ND Vanadium ug/L 09/19/94 --5 203 16 --122 --23 ----411 ------ SWS GPS = 0.3 ug/L ug/L 12/02/94 --5 51 68 --7.9 --ND ----124 ------ No EPA MCL ug/L 02/07/95 --5 206 37 --6 --ND ----99 ------ ug/L 03/13/95 --5 16 9.7 --9.4 --ND ----85 ------ ug/L 11/01/95 --5 37 5 --7 --ND ----16 ------ ug/L 06/10/96 --5 50 ND --ND --ND ----14 ------ ug/L 11/12/96 --5 141 11 --12 --ND ----25 ------ ug/L 03/18/97 --5 141 ND --ND --ND ----ND ------ ug/L 10/02/97 --5 65 8.5 --5.8 --ND ----ND ------ ug/L 05/26/98 --5 20 5 --5 --ND ----ND ------ ug/L 12/01/98 --5 110 ND --ND --ND ----ND ------ ug/L 06/07/99 --5 45 45 --ND --ND ----11 ------ ug/L 07/08/99 --5 --------------16 -------- ug/L 12/15/99 --5 38 ND --6 --ND --ND 6 ------ ug/L 06/06/00 --5 109 36 --6 --ND --ND 23 ------ ug/L 12/27/00 --5 26 ND --ND --ND --ND 44 ------ ug/L 06/04/01 --5 22 ND --ND --ND --ND ND ------ ug/L 12/03/01 --5 25 16 --ND --ND --ND 26 ------ ug/L 06/10/02 --5 12 ND --9 --ND --ND 8 ------ ug/L 12/16/02 --5 7 ND --17 --ND --ND ND ------ ug/L 06/09/03 --5 5 6 --9 --ND --ND ND ------ ug/L 12/08/03 --5 46 ND --5 --ND --ND 43 ------ ug/L 06/29/04 --5 59 --12 ND --ND --ND 17 ------ ug/L 12/20/04 --5 8 --5 5 --ND --ND 69 ------ ug/L 06/05/05 --5 27 --17 ND --ND --ND 17 ------ ug/L 12/05/05 --5 ND --ND ND --ND --ND 16 ------ ug/L 06/05/06 --5 ND --7 ND --ND --ND 42 ------ ug/L 12/05/06 --5 ND --ND ND --ND --ND 7 ------ ug/L 05/30/07 1 25 5.4 J --ND ND --ND --ND ND ----ND ug/L 11/19/07 2.9 25 20 --13 17 --3.1 J --ND 3.8 ----ND ug/L 05/19/08 2.9 25 ----ND ND 4.0 ND 9.0 ND ND ----ND ug/L 11/19/08 1.9 25 ----ND ND ND ND 2.3 J ND ND 3.6 J --ND ug/L 06/30/09 0.7 25 ----ND ND ND ND 1.1 J ND ND 6.9 J --ND ug/L 11/30/09 1.4 25 ----ND ND 1.58 J ND 2.48 J ND ND 2.29 J --ND ug/L 05/20/10 1.4 25 ----ND 2.60 J ND ND 3.25 J ND ND 4.70 J --ND ug/L 11/19/10 1.4 25 ----2.03 J ND 3.74 J ND 1.47 J ND ND ND --ND ug/L 05/19/11 1.4 25 --------ND 3.86 J 1.47 J ND ND 3.89 J --ND ug/L 11/28/11 1.40 25 --------9.59 J ND 1.77 J ND ND ND --ND ug/L 05/23/12 --25 --------1.74 J 2.24 J 2.60 J ND ND ND --ND ug/L 11/26/12 1.40 25 --------12.8 J ND ND ND ND ND --ND ug/L 05/21/13 1.40 25 --------ND 1.71 J 2.69 J ND ND 5.77 J --ND ug/L 11/06/13 1.40 25 --------ND ND 2.48 J ND --ND --ND ug/L 05/21/14 1.40 25 --------2.09 J ND 2.91 J ND ND 5.07 J 1.97 J ND ug/L 11/24/14 1.40 25 --------1.91 J ND ND ND ND --4.24 J ND ug/L 05/27/15 1.40 25 --------ND ND ND ND ND --2.55 J ND ug/L 11/17/15 1.40 25 --------ND ND 4.34 J ND ND --1.99 J ND Zinc ug/L 09/19/94 --10 303 ND --207 --34 ----1030 ---- NC 2L = 1000 ug/L ug/L 12/02/94 --10 106 140 --ND --ND ----202 ------ EPA MCL = 5000 ug/L*ug/L 02/07/95 --10 477 74 --70 --ND ----183 ------ ug/L 03/13/95 --10 291 114 --59 --ND ----185 ------ ug/L 11/01/95 --10 65 15 --ND --ND ----225 ------ ug/L 06/10/96 --10 125 ND --ND --ND ----ND ------ ug/L 11/12/96 --10 134 16 --11 --ND ----26 ------ ug/L 03/18/97 --10 ND ND --ND --ND ----ND ------ ug/L 10/02/97 --10 96 19 --ND --23 ----ND ------ ug/L 05/26/98 --10 20 ND --ND --ND ----ND ------ ug/L 12/01/98 --10 121 ND --ND --11 ----ND ------ ug/L 06/07/99 --10 77 156 --92 --31 ----31 ------ ug/L 07/08/99 --10 --------------64 -------- ug/L 12/15/99 --10 100 26 --33 --38 --56 50 ------ ug/L 06/06/00 --10 267 67 --ND --17 --ND 28 ------ ug/L 12/27/00 --10 100 46 --ND --28 --257 414 ------ ug/L 06/04/01 --10 80 191 --121 --24 --162 269 ------ ug/L 12/03/01 --10 73 37 --249 --59 --214 55 ------ ug/L 06/10/02 --10 41 68 --168 --52 --141 20 ------ ug/L 12/16/02 --10 27 28 --37 --12 --26 14 ------ ug/L 06/09/03 --10 12 19 --27 --19 --10 ND ------ ug/L 12/08/03 --10 261 11 --11 --18 --13 216 ------ ug/L 06/29/04 --10 369 --59 ND --18 --ND 35 ------ ug/L 12/20/04 --10 17 --15 13 --52 --ND 134 ------ ug/L 06/05/05 --10 56 --55 20 --44 --ND 103 ------ ug/L 12/05/05 --10 ND --ND ND --74 --ND 35 ------ ug/L 06/05/06 --10 14 --18 ND --31 --ND 98 ------ ug/L 12/05/06 --10 ND --ND ND --14 --ND 26 ------ ug/L 05/30/07 1 10 18.4 --12.3 4.4 B --10.4 B --1.1 B 3.3 B ----2.4 J ug/L 11/19/07 3 10 160 --66 52 --21 --20 58 ----90 ug/L 05/19/08 3 10 ----34 4.6 12 8.7 45 30 54 ----ND ug/L 11/19/08 3.3 10 ----26 9.8 J 7.7 J 14 23 22 58 26 --ND ug/L 06/30/09 3.4 10 ----4.7 B ND 5.8 B 7.9 B 3.5 B ND ND 22.4 B --15.2 ug/L 11/30/09 3.8 10 ----ND 11.7 5.99 J 6.40 J 3.93 J ND ND 19.9 --ND ug/L 05/20/10 3.8 10 ----ND 4.15 J 5.76 J 4.95 J ND ND ND 90.3 --ND ug/L 11/19/10 3.8 10 ----ND ND ND ND ND ND ND 11.5 --ND ug/L 05/19/11 3.8 10 --------6.26 B 7.80 B ND ND ND 9.03 B --4.26 J ug/L 11/28/11 3.80 10 --------21.7 18.6 ND ND ND 26.6 --ND ug/L 05/23/12 --10 --------6.59 J 8.53 J ND 5.43 J ND 39.0 --ND ug/L 11/26/12 3.80 10 --------11.6 12.4 ND ND ND 4.12 J --ND ug/L 05/21/13 3.80 10 --------ND 5.22 J ND ND ND 41.4 --ND ug/L 11/06/13 3.80 10 --------3.81 J 14.2 ND ND --4.68 J --ND ug/L 05/21/14 3.80 10 --------7.41 J 6.21 J 4.08 J ND ND 12.0 6.20 J ND ug/L 11/24/14 3.80 10 --------6.14 J 15.5 ND ND ND --6.58 J ND ug/L 05/27/15 3.80 10 --------8.91 J 8.00 J ND ND ND --4.31 J ND ug/L 11/17/15 3.80 10 --------4.72 J 13.4 ND ND ND --24.8 ND February 2016 6 of 9 0739-604215.100 G:\Projects\City of Durham\GWMR\2015 November\Tables\City of Durham Tables November 2015.xlsx PZ-6 MW-7 MW-7R MW-8 MW-9R MW-2 MW-3R MW-4R MW-5 MW-10 NES-3 TABLE 4 Summary of Detected Constituents in Groundwater City of Durham Closed Landfill, Permit #32-01 Durham County, North Carolina BlanksSWS Reporting Limit MDL Detected Monitoring Constituent/Parameter Reporting Units Sample Date Upgradient Downgradient Acetone ug/L 09/19/94 ---------------------------- NC 2L = 6000 ug/L ug/L 12/02/94 ---------------------------- No EPA MCL ug/L 02/07/95 ----ND ND --49.8 --ND ----ND ------ ug/L 03/13/95 ----ND ND --ND --ND ----ND ------ ug/L 11/01/95 ----ND ND --ND --ND ----ND ------ ug/L 06/10/96 --25 ND ND --ND --ND ----ND ------ ug/L 11/12/96 --25 ND ND --ND --ND ----ND ------ ug/L 03/18/97 --25 ND ND --ND --ND ----ND ------ ug/L 10/02/97 --25 ND ND --ND --ND ----ND ------ ug/L 05/26/98 --20 ND ND --ND --ND ----ND ------ ug/L 12/01/98 --20 ND ND --235 --ND ----ND ------ ug/L 02/26/99 --20 ------ND ---------------- ug/L 06/07/99 --20 ND ND --ND --ND ----ND ------ ug/L 07/08/99 --20 --------------ND -------- ug/L 12/15/99 --50 ND ND --ND --ND --ND ND ------ ug/L 06/06/00 --50 ND ND --ND --ND --ND ND ------ ug/L 12/27/00 --20 ND ND --ND --ND --ND ND ------ ug/L 06/04/01 --20 ND ND --ND --ND --ND ND ------ ug/L 12/03/01 --20 ND ND --ND --ND --ND ND ------ ug/L 06/10/02 --20 ND ND --ND --ND --ND ND ------ ug/L 12/16/02 --20 ND ND --ND --ND --ND ND ------ ug/L 06/09/03 --20 ND ND --ND --ND --ND ND ------ ug/L 12/08/03 --20 ND ND --ND --ND --ND ND ------ ug/L 06/29/04 --20 ND --ND ND --ND --ND ND ------ ug/L 12/20/04 --10 ND --ND ND --ND --ND ND ------ ug/L 06/05/05 --10 ND --ND ND --ND --ND ND ------ ug/L 12/05/05 2.5 10 ND --ND ND --ND --ND ND ------ ug/L 06/05/06 --10 ND --ND ND --ND --ND ND ------ ug/L 12/05/06 --10 ND --ND ND --ND --ND ND ------ ug/L 05/30/07 0.9 100 ND --ND 1.7 B --ND --ND ND ------ ug/L 11/19/07 8.9 100 ND --ND ND --ND --ND ND ------ ug/L 05/19/08 8.9 100 ----ND ND ND ND ND ND ND ------ ug/L 11/19/08 8.9 100 ----ND ND ND ND ND ND ND ------ ug/L 06/30/09 1.5 100 ----ND ND ND ND ND ND ND ND --ND ug/L 11/30/09 1.5 100 ----ND ND ND ND ND ND ND ND --ND ug/L 05/20/10 1.5 100 ----ND ND ND ND ND ND ND ND --ND ug/L 11/19/10 3 100 ----ND ND ND ND ND ND ND ND --ND ug/L 05/19/11 1.2 100 --------ND ND ND ND ND ND --ND ug/L 11/28/11 1.2 100 --------ND ND ND ND ND ND --ND ug/L 05/23/12 --100 --------ND ND ND ND ND ND --ND ug/L 11/26/12 1.2 100 --------ND ND ND ND ND ND --ND ug/L 05/21/13 1.2 100 --------ND ND ND ND ND ND --ND ug/L 11/06/13 1.2 100 --------ND ND ND ND --ND --ND ug/L 05/21/14 1.2 100 --------ND ND ND ND 5.6 J ND ND ND ug/L 11/24/14 1.2 100 --------ND ND ND ND ND --ND ND ug/L 05/27/15 1.2 100 --------ND ND ND ND ND --ND ND ug/L 11/17/15 1.2 100 --------ND ND ND ND ND --ND ND Benzene ug/L 09/19/94 ------ND --ND ---------------- NC 2L= 1 ug/L ug/L 12/02/94 --5 ND ND --ND --ND ----ND ------ EPA MCL = 5 ug/L ug/L 02/07/95 ----ND ND --ND --ND ----ND ------ ug/L 03/13/95 ----ND ND --ND --ND ----ND ------ ug/L 11/01/95 --5 ND ND --ND --ND ----ND ------ ug/L 06/10/96 --1 ND ND --ND --ND ----ND ------ ug/L 09/03/96 ---------------------------- ug/L 10/02/96 ---------------------------- ug/L 11/12/96 --1 ND ND --ND --ND ----ND ------ ug/L 03/18/97 --1 ND ND --ND --ND ----ND ------ ug/L 10/02/97 --1 ND ND --ND --ND ----ND ------ ug/L 05/26/98 --1 ND ND --ND --ND ----ND ----ND ug/L 12/01/98 --1 ND ND --ND --ND ----ND ----ND ug/L 06/07/99 --5 ND ND --ND --ND ----ND ------ ug/L 07/08/99 --5 --------------ND ------ND ug/L 12/15/99 --5 ND ND --ND --ND --ND ND ----ND ug/L 06/06/00 --5 ND ND --ND --ND --ND ND ----ND ug/L 12/27/00 --5 ND ND --ND --ND --ND ND ----ND ug/L 06/04/01 --5 ND ND --ND --ND --ND ND ----ND ug/L 12/03/01 --5 ND ND --ND --ND --ND ND ----ND ug/L 06/10/02 --5 ND ND --ND --ND --ND ND ----ND ug/L 12/16/02 --5 ND ND --ND --ND --ND ND ----ND ug/L 06/09/03 --5 ND ND --ND --ND --ND ND ----ND ug/L 12/08/03 --3 ND ND --ND --ND --ND ND ----ND ug/L 06/29/04 --3 ND --ND ND --ND --ND ND ----ND ug/L 12/20/04 --0.5 ND --ND ND --ND --ND ND ----ND ug/L 06/05/05 --0.5 ND --ND ND --ND --ND ND ----ND ug/L 12/05/05 0.14 0.5 ND --ND ND --ND --ND ND ----ND ug/L 06/05/06 --0.5 ND --ND ND --ND --ND ND ----ND ug/L 12/05/06 --0.5 ND --ND ND --ND --ND ND ----ND ug/L 05/30/07 0.12 1 ND --ND ND --ND --ND ND ----ND ug/L 11/19/07 0.29 1 ND --ND ND --ND --ND ND ----ND ug/L 05/19/08 0.29 1 ----ND ND ND ND ND ND ND ----ND ug/L 11/19/08 0.29 1 ----ND ND ND ND ND ND ND 4.0 --ND ug/L 06/30/09 0.2 1 ----ND ND ND ND ND ND ND 4.6 --ND ug/L 11/30/09 0.2 1 ----ND ND ND ND ND ND ND 1.8 --ND ug/L 05/20/10 0.050 1 ----ND ND ND ND ND ND ND 0.89 J --ND ug/L 11/19/10 0.200 1 ----ND ND ND ND ND ND ND 2.3 --ND ug/L 05/19/11 0.680 1 --------ND ND ND ND ND 1.7 --ND ug/L 11/28/11 0.68 1 --------ND ND ND ND ND 1.6 --ND ug/L 05/23/12 --1 --------ND ND ND ND ND 1.7 J --ND ug/L 11/26/12 0.15 1 --------ND ND ND ND ND 3.0 --ND ug/L 05/21/13 0.15 1 --------ND ND ND ND ND 0.42 J --ND ug/L 11/06/13 0.15 1 --------ND ND ND ND --2.4 --ND ug/L 05/21/14 0.15 1 --------ND ND ND ND ND 0.86 J ND ND ug/L 11/24/14 0.15 1 --------ND ND ND ND ND --ND ND ug/L 05/27/15 0.15 1 --------ND ND ND ND ND --ND ND ug/L 11/17/15 0.15 1 --------ND ND ND ND ND --ND ND Chlorobenzene ug/L 09/19/94 ----ND ND --ND --ND ----ND ------ NC 2L= 50 ug/L ug/L 12/02/94 ----ND ND --ND --ND ----ND ------ EPA MCL = 100 ug/L ug/L 02/07/95 ----ND ND --ND --ND ----ND ------ ug/L 03/13/95 ----ND ND --ND --ND ----ND ------ ug/L 11/01/95 ----ND ND --ND --ND ----ND ------ ug/L 06/10/96 ----ND ND --ND --ND ----ND ------ ug/L 09/03/96 ----ND ND --ND --ND ----ND ------ ug/L 10/02/96 ----ND ND --ND --ND ----ND ------ ug/L 11/12/96 ----ND ND --ND --ND ----ND ------ ug/L 03/18/97 ----ND ND --ND --ND ----ND ------ ug/L 10/02/97 ----ND ND --ND --ND ----ND ------ ug/L 12/01/98 ----ND ND --ND --ND ----ND ------ ug/L 06/07/99 ----ND ND --ND --ND ----ND ------ ug/L 07/08/99 ----ND ND --ND --ND --ND ND ------ ug/L 12/15/99 ----ND ND --ND --ND --ND ND ------ ug/L 06/06/00 ----ND ND --ND --ND --ND ND ------ ug/L 12/27/00 ----ND ND --ND --ND --ND ND ------ ug/L 06/04/01 ----ND ND --ND --ND --ND ND ------ ug/L 12/03/01 ----ND ND --ND --ND --ND ND ------ ug/L 06/10/02 ----ND ND --ND --ND --ND ND ------ ug/L 12/16/02 ----ND ND --ND --ND --ND ND ------ ug/L 06/09/03 ----ND ND --ND --ND --ND ND ------ ug/L 12/08/03 --1 ND ND --ND --ND --ND ND ----ND ug/L 06/29/04 --1 ND ND --ND --ND --ND ND ----ND ug/L 12/20/04 --1 ND --ND ND --ND --ND ND ----ND ug/L 06/05/05 --1 ND --ND ND --ND --ND ND ----ND ug/L 12/05/05 0.24 1 ND --ND ND --ND --ND ND ----ND ug/L 06/05/06 --1 ND --ND ND --ND --ND ND ----ND ug/L 12/05/06 --1 ND --ND ND --ND --ND ND ----ND ug/L 05/30/07 0.16 3 ND --ND ND --ND --ND ND ----ND ug/L 11/19/07 0.26 3 ND --ND ND --ND --ND ND ----ND ug/L 05/19/08 0.26 3 ----ND ND ND ND ND ND ND ----ND ug/L 11/19/08 0.26 3 ----ND ND ND ND ND ND ND ----ND ug/L 06/30/09 0.27 3 ----ND ND ND ND 0.41 J ND ND ND --ND ug/L 11/30/09 0.27 3 ----ND ND ND ND ND ND ND ND --ND ug/L 05/20/10 0.069 3 ----ND ND ND ND ND ND ND ND --ND ug/L 11/19/10 0.54 3 ----ND ND ND ND ND ND ND ND --ND ug/L 05/19/11 0.74 3 --------ND ND ND ND ND ND --ND ug/L 11/28/11 0.74 3 --------ND ND ND ND ND ND --ND ug/L 05/23/12 --3 --------ND ND ND ND ND ND --ND ug/L 11/26/12 0.17 3 --------ND ND ND ND ND ND --ND ug/L 05/21/13 0.17 3 --------ND ND ND ND ND ND --ND ug/L 11/06/13 0.17 3 --------ND ND ND ND --ND --ND ug/L 05/21/14 0.17 3 --------ND ND ND ND ND ND ND ND ug/L 11/24/14 0.17 3 --------ND ND ND ND ND --ND ND ug/L 05/27/15 0.17 3 --------ND ND ND ND ND --ND ND ug/L 11/17/15 0.17 3 --------ND ND ND ND ND --ND ND February 2016 7 of 9 0739-604215.100 G:\Projects\City of Durham\GWMR\2015 November\Tables\City of Durham Tables November 2015.xlsx PZ-6 MW-7 MW-7R MW-8 MW-9R MW-2 MW-3R MW-4R MW-5 MW-10 NES-3 TABLE 4 Summary of Detected Constituents in Groundwater City of Durham Closed Landfill, Permit #32-01 Durham County, North Carolina BlanksSWS Reporting Limit MDL Detected Monitoring Constituent/Parameter Reporting Units Sample Date Upgradient Downgradient 1,4-Dichlorobenzene ug/L 12/08/03 --1 ND ND --ND --ND --ND ND ----ND NC 2L=6 ug/L ug/L 06/28/04 --1 ND --ND ND --ND --ND ND ----ND EPA MCL = 75 ug/L ug/L 12/20/04 --1 ND --ND ND --ND --ND ND ----NDug/L 06/05/05 --1 ND --ND ND --ND --ND ND ----ND ug/L 12/05/05 0.32 1 ND --ND ND --ND --ND ND ----ND ug/L 06/05/06 --1 ND --ND ND --ND --ND ND ----ND ug/L 12/05/06 --1 ND --ND ND --ND --ND ND ----ND ug/L 05/30/07 0.15 1 ND --ND ND --ND --ND ND ----ND ug/L 11/19/07 0.3 1 ND --ND ND --ND --ND ND ----ND ug/L 05/19/08 0.3 1 ----ND ND ND ND ND ND ND ----ND ug/L 11/19/08 0.3 1 ----ND ND ND ND ND ND ND 1.3 J --ND ug/L 06/30/09 0.38 1 ----ND ND ND ND ND ND ND 2.2 J --ND ug/L 11/30/09 0.38 1 ----ND ND ND ND ND ND ND 0.77 J --ND ug/L 05/20/10 0.1 1 ----ND ND ND ND ND ND ND 0.65 J --ND ug/L 11/19/10 0.38 1 ----ND ND ND ND ND ND ND 0.92 J --ND ug/L 05/19/11 0.79 1 --------ND ND ND ND ND ND --ND ug/L 11/28/11 0.79 1 --------ND ND ND ND ND ND --ND ug/L 05/23/12 --1 --------ND ND ND ND ND ND --ND ug/L 11/26/12 0.19 1 --------ND ND ND ND ND 1.0 J --ND ug/L 05/21/13 0.19 1 --------ND ND ND ND ND ND --ND ug/L 11/06/13 0.19 1 --------ND ND ND ND --1.3 --ND ug/L 05/21/14 0.19 1 --------ND ND ND ND ND 0.72 J ND ND ug/L 11/24/14 0.19 1 --------ND ND ND ND ND --ND ND ug/L 05/27/15 0.19 1 --------ND ND ND ND ND --ND ND ug/L 11/17/15 1 --------ND ND ND ND ND --ND ND 1,1-Dichloroethane ug/L 12/08/03 --5 ND ND --ND --ND --ND ND ----ND NC 2L= 6 ug/L ug/L 06/28/04 --5 ND --ND ND --ND --ND ND ----ND No EPA MCL ug/L 12/20/04 --1 ND --ND ND --ND --ND ND ----NDug/L 06/05/05 --1 ND --ND ND --ND --ND ND ----ND ug/L 12/05/05 0.38 1 ND --ND ND --ND --ND ND ----ND ug/L 06/05/06 --1 ND --ND ND --ND --ND ND ----ND ug/L 12/05/06 --1 ND --ND ND --ND --ND ND ----ND ug/L 05/30/07 0.09 5 ND --ND ND --ND --ND ND ----ND ug/L 11/19/07 0.31 5 ND --ND ND --ND --ND ND ----ND ug/L 05/19/08 0.31 5 ----ND ND ND ND ND ND ND ----ND ug/L 11/19/08 0.31 5 ----ND ND ND ND ND ND ND 9.8 --ND ug/L 06/30/09 0.24 5 ----ND ND ND ND ND ND ND 7.8 --ND ug/L 11/30/09 0.33 5 ----ND ND ND ND ND ND ND 4.2 J --ND ug/L 05/20/10 0.05 5 ----ND ND ND ND ND ND ND 1.6 J --ND ug/L 11/19/10 0.33 5 ----ND ND ND ND ND ND ND 5.3 --ND ug/L 05/19/11 0.8 5 --------ND ND ND ND ND 3.2 J --ND ug/L 11/28/11 0.080 5 --------ND ND ND ND ND 3.1 J --ND ug/L 05/23/12 --5 --------ND ND ND ND ND ND --ND ug/L 11/26/12 0.13 5 --------ND 0.42 J ND ND ND 7.1 --ND ug/L 05/21/13 0.13 5 --------ND ND ND ND ND 0.96 J --ND ug/L 11/06/13 0.13 5 --------ND ND ND ND --5.9 --ND ug/L 05/21/14 0.13 5 --------ND ND ND -ND 2.3 J ND ND ug/L 11/24/14 0.13 5 --------ND ND ND ND ND --ND ND ug/L 05/27/15 0.13 5 --------ND ND ND ND ND --ND ND ug/L 11/17/15 0.13 5 --------ND ND ND ND ND --ND ND 1,2-Dichloroethane ug/L 05/30/07 0.36 1 ND --ND ND --ND --ND ND ----ND NC 2L= 0.4 ug/L ug/L 11/19/2007 --------------------------ND EPA MCL = 5 ug/L ug/L 5/19/2008 --------------------------ND ug/L 11/19/08 --------------------------ND ug/L 06/30/09 --------------------------ND ug/L 11/30/09 --------------------------ND ug/L 05/20/10 --------------------------ND ug/L 11/19/10 --------------------------ND ug/L 05/19/11 --------------------------ND ug/L 11/28/11 0.47 1 --------ND ND ND ND ND ND --ND ug/L 05/23/12 --1 --------ND ND ND ND ND ND --ND ug/L 11/26/12 0.21 1 --------ND ND ND ND ND ND --ND ug/L 05/21/13 0.21 1 --------ND ND ND ND ND ND --ND ug/L 11/06/13 0.21 1 --------ND ND ND ND --0.54 J --ND ug/L 05/21/14 0.21 1 --------ND ND ND ND ND ND ND ND ug/L 11/24/14 0.21 1 --------ND ND ND ND ND --ND ND ug/L 05/27/15 0.21 1 --------ND ND ND ND ND --ND ND ug/L 11/17/15 1 --------ND ND ND ND ND --ND ND cis-1,2-dichloroethene ug/L 06/10/02 --5 ND ND --ND --ND --ND ND ----ND NC 2L= 70 ug/L ug/L 12/16/02 --5 ND ND --ND --ND --ND ND ----ND EPA MCL = 70 ug/L ug/L 06/09/03 --5 ND ND --ND --ND --ND ND ----NDug/L 12/08/03 --5 ND ND --ND --ND --ND ND ----NDug/L 06/28/04 --5 ND --ND ND --ND --ND ND ----ND ug/L 12/20/04 --1 ND --ND ND --ND --ND ND ----ND ug/L 06/05/05 --1 ND --ND ND --ND --ND ND ----ND ug/L 12/05/05 0.47 1 ND --ND ND --1.1 --ND ND ----ND ug/L 06/05/06 --1 ND --ND ND --ND --ND ND ----ND ug/L 12/05/06 --1 ND --ND ND --ND --ND ND ----ND ug/L 05/30/07 0.14 5 ND --ND ND --ND --ND ND ----ND ug/L 11/19/07 0.38 5 ND --ND ND --0.62 --ND ND ----ND ug/L 05/19/08 0.38 5 ----ND ND ND ND ND ND ND ----ND ug/L 11/19/08 0.38 5 ----ND ND ND 0.84 J ND ND ND 370 --ND ug/L 06/30/09 0.36 5 ----ND ND ND ND ND ND ND 370 --ND ug/L 11/30/09 0.36 5 ----ND ND ND ND ND ND ND 190 --ND ug/L 05/20/10 0.75 5 ----ND ND ND ND ND ND ND 86 --ND ug/L 11/19/10 0.36 5 ----ND ND ND 1.4 J ND ND ND 210 --ND ug/L 05/19/11 0.72 5 --------ND ND ND ND ND 110 --ND ug/L 11/28/11 0.72 5 --------ND 3.7 J ND ND ND 140 --ND ug/L 05/23/12 --5 --------ND ND ND ND ND 200 --ND ug/L 11/26/12 0.15 5 --------ND 3.0 J ND ND ND 260 --ND ug/L 05/21/13 0.15 5 --------ND ND ND ND ND 25 --ND ug/L 11/06/13 0.15 5 --------ND 1.7 J ND ND --200 --ND ug/L 05/21/14 0.15 5 --------ND ND ND ND ND 72 ND ND ug/L 11/24/14 0.15 5 --------ND 2.8 J ND ND ND --ND ND ug/L 05/27/15 0.15 5 --------ND ND ND ND ND --ND ND ug/L 11/17/15 0.15 5 --------ND ND ND ND ND --ND NDtrans-1,2-Dichloroethene ug/L 12/08/03 --5 ND ND --ND --ND --ND ND ----NDNC 2L= 100 ug/L ug/L 06/28/04 --5 ND --ND ND --ND --ND ND ----ND EPA MCL = 100 ug/L ug/L 12/20/04 --2 ND --ND ND --ND --ND ND ----ND ug/L 06/05/05 --2 ND --ND ND --ND --ND ND ----ND ug/L 12/05/05 0.56 2 ND --ND ND --ND --ND ND ----ND ug/L 06/05/06 --2 ND --ND ND --ND --ND ND ----ND ug/L 12/05/06 --2 ND --ND ND --ND --ND ND ----ND ug/L 05/30/07 0.1 5 ND --ND ND --ND --ND ND ----ND ug/L 11/19/07 0.3 5 ND --ND ND --ND --ND ND ----ND ug/L 05/19/08 0.3 5 ----ND ND ND ND ND ND ND ----ND ug/L 11/19/08 0.3 5 ----ND ND ND ND ND ND ND 12.0 --ND ug/L 06/30/09 0.34 5 ----ND ND ND ND ND ND ND 9.7 --ND ug/L 11/30/09 0.34 5 ----ND ND ND ND ND ND ND 4.7 J --ND ug/L 05/20/10 0.11 5 ----ND ND ND ND ND ND ND 1.8 J --ND ug/L 11/19/10 0.34 5 ----ND ND ND ND ND ND ND 4.9 J --ND ug/L 05/19/11 0.12 5 --------ND ND ND ND ND 4.2 J --ND ug/L 11/28/11 0.12 5 --------ND ND ND ND ND 3.4 J --ND ug/L 05/23/12 --5 --------ND ND ND ND ND 4.4 J --ND ug/L 11/26/12 0.21 5 --------ND ND ND ND ND 6.9 --ND ug/L 05/21/13 0.21 5 --------ND ND ND ND ND 0.93 J --ND ug/L 11/06/13 0.21 5 --------ND ND ND ND --6.3 --ND ug/L 05/21/14 0.21 5 --------ND ND ND ND ND 2.0 J ND ND ug/L 11/24/14 0.21 5 --------ND ND ND ND ND --ND ND ug/L 05/27/15 0.21 5 --------ND ND ND ND ND --ND ND ug/L 11/17/15 0.21 5 --------ND ND ND ND ND --ND ND1,2-Dichloropropane ug/L 12/08/03 --5 ND ND --ND --ND --ND ND ----NDNC 2L= 0.6 ug/L ug/L 06/28/04 --5 ND --ND ND --ND --ND ND ----ND EPA MCL = 5 ug/L ug/L 12/20/04 --1 ND --ND ND --ND --ND ND ----ND ug/L 06/05/05 --1 ND --ND ND --ND --ND ND ----ND ug/L 12/05/05 0.26 1 ND --ND ND --ND --ND ND ----ND ug/L 06/05/06 --1 ND --ND ND --ND --ND ND ----ND ug/L 12/05/06 --1 ND --ND ND --ND --ND ND ----ND ug/L 05/30/07 0.18 1 ND --ND ND --ND --ND ND ----ND ug/L 11/19/07 0.52 1 ND --ND ND --ND --ND ND ----ND ug/L 05/19/08 0.52 1 ----ND ND ND ND ND ND ND ----ND ug/L 11/19/08 0.52 1 ----ND ND ND ND ND ND ND 11.0 --ND ug/L 06/30/09 0.2 5 ----ND ND ND ND ND ND ND 9.4 --ND ug/L 11/30/09 0.2 5 ----ND ND ND ND ND ND ND 4.7 --ND ug/L 05/20/10 0.098 5 ----ND ND ND ND ND ND ND 1.9 --ND ug/L 11/19/10 0.2 5 ----ND ND ND ND ND ND ND 5.6 --ND ug/L 05/19/11 0.59 5 --------ND ND ND ND ND 2.2 --ND ug/L 11/28/11 0.59 1 --------ND ND ND ND ND 4.0 --ND ug/L 05/23/12 --1 --------ND ND ND ND ND 4.5 --ND ug/L 11/26/12 0.10 1 --------ND ND ND ND ND 6.3 --ND ug/L 05/21/13 0.10 1 --------ND ND ND ND ND 0.79 J --ND ug/L 11/06/13 0.10 1 --------ND ND ND ND --5.4 --ND ug/L 05/21/14 0.10 1 --------ND ND ND ND ND 1.2 ND ND ug/L 11/24/14 0.10 1 --------ND ND ND ND ND --ND ND ug/L 05/27/15 0.10 1 --------ND ND ND ND ND --ND ND ug/L 11/17/15 0.10 1 --------ND ND ND ND ND --ND ND February 2016 8 of 9 0739-604215.100 G:\Projects\City of Durham\GWMR\2015 November\Tables\City of Durham Tables November 2015.xlsx PZ-6 MW-7 MW-7R MW-8 MW-9R MW-2 MW-3R MW-4R MW-5 MW-10 NES-3 TABLE 4 Summary of Detected Constituents in Groundwater City of Durham Closed Landfill, Permit #32-01 Durham County, North Carolina BlanksSWS Reporting Limit MDL Detected Monitoring Constituent/Parameter Reporting Units Sample Date Upgradient Downgradient Ethylbenzene ug/L 05/30/07 0.17 1 ND --ND ND --ND --ND ND ----ND NC 2L = 600 ug/L ug/L 11/19/07 0.22 1 0.38 --ND ND --0.6 --ND ND ----ND EPA MCL = 700 ug/L ug/L 05/19/08 0.22 1 ----ND ND ND ND ND ND ND ----ND ug/L 11/19/08 0.22 1 ----ND ND ND ND ND ND ND ND --ND ug/L 06/30/09 0.20 1 ----ND ND ND ND ND ND ND ND --ND ug/L 11/30/09 0.20 1 ----ND ND ND ND ND ND ND ND --ND ug/L 05/20/10 0.10 1 ----ND ND ND ND ND ND ND ND --ND ug/L 11/19/10 0.20 1 ----ND ND ND ND ND ND ND ND --ND ug/L 05/19/11 0.62 1 --------ND ND ND ND ND ND --ND ug/L 11/28/11 0.62 1 --------ND ND ND ND ND ND --ND ug/L 05/23/12 --1 --------ND ND ND ND ND ND --ND ug/L 11/26/12 0.13 1 --------ND ND ND ND ND ND --ND ug/L 05/21/13 0.13 1 --------ND ND ND ND ND ND --ND ug/L 11/06/13 0.13 1 --------ND ND ND ND --ND --ND ug/L 05/21/14 0.13 1 --------ND ND ND ND ND ND ND ND ug/L 11/24/14 0.13 1 --------ND ND ND ND ND --ND ND ug/L 05/27/15 0.13 1 --------ND ND ND ND ND --ND ND ug/L 11/17/15 0.13 1 --------ND ND ND ND ND --ND ND Methylene Chloride ug/L 09/22/94 ------14.6 --ND ---------------- NC 2L= 5 ug/L ug/L 12/02/94 --5 ND ND --ND --ND ----ND ------ EPA MCL = 5 ug/L ug/L 02/07/95 --5 ND ND --ND --ND ----ND ------ug/L 03/13/95 --5 ND ND --ND --ND ----ND ------ug/L 11/01/95 --5 ND ND --ND --ND ----ND ------ ug/L 06/07/96 --5 ND ND --ND --ND ----ND ------ ug/L 11/13/96 --5 ND ND --ND --ND ----ND ------ ug/L 03/18/97 --5 ND ND --ND --ND ----ND ------ ug/L 10/02/97 --5 ND ND --ND --ND ----22 ------ ug/L 05/26/98 --5 ND ND --ND --ND ----ND ------ ug/L 12/01/98 --5 ND ND --ND --ND ----ND ----ND ug/L 06/07/99 --5 ND ND --ND --ND ----ND ----ND ug/L 07/08/99 --5 --------------ND -------- ug/L 12/15/99 --5 ND ND --ND --ND --ND ND ----ND ug/L 06/06/00 --5 ND ND --ND --ND --ND ND ----ND ug/L 12/22/00 --5 ND ND --ND --ND --ND ND ----ND ug/L 06/04/01 --5 ND ND --ND --ND --ND ND ----ND ug/L 12/03/01 --5 77 68 --66 --92 --ND 68 ----ND ug/L 06/10/02 --5 ND ND --ND --ND --ND ND ----ND ug/L 12/16/02 --5 ND ND --ND --ND --ND ND ----ND ug/L 06/09/03 --5 ND ND --ND --ND --ND ND ----ND ug/L 12/08/03 --5 ND ND --ND --ND --ND ND ----ND ug/L 06/28/04 --5 ND --ND ND --ND --ND ND ----ND ug/L 12/20/04 --2 ND --ND ND --ND --ND ND ----ND ug/L 06/05/05 --2 ND --ND ND --ND --ND ND ----ND ug/L 12/05/05 0.61 2 ND --ND ND --ND --ND ND ----ND ug/L 06/05/06 --2 ND --ND ND --ND --ND ND ----ND ug/L 12/05/06 --2 ND --ND ND --ND --ND ND ----ND ug/L 05/30/07 0.088 1 ND --ND ND --ND --ND ND ----ND ug/L 11/19/07 0.3 1 0.42 --ND ND --0.47 --ND ND ----0.49 ug/L 05/19/08 0.3 1 ----ND ND ND ND ND ND ND ----ND ug/L 11/19/08 0.3 1 ----ND ND ND ND ND ND ND ND --ND ug/L 06/30/09 0.53 1 ----ND ND ND ND ND ND ND ND --ND ug/L 11/30/09 0.53 1 ----ND ND ND ND ND ND ND ND --ND ug/L 05/20/10 0.7 1 ----ND ND ND ND ND ND ND ND --ND ug/L 11/19/10 0.53 1 ----ND ND ND ND ND ND ND ND --ND ug/L 05/19/11 0.14 1 --------ND ND ND ND ND ND --ND ug/L 11/28/11 0.14 1 --------ND ND ND ND ND ND --ND ug/L 05/23/12 --1 --------ND ND ND ND ND ND --ND ug/L 11/26/12 0.23 1 --------ND ND ND ND ND ND --ND ug/L 05/21/13 0.23 1 --------ND ND ND ND ND ND --ND ug/L 11/06/13 0.23 1 --------ND ND ND ND --ND --ND ug/L 05/21/14 0.23 1 --------ND ND ND ND ND ND ND ND ug/L 11/24/14 0.23 1 --------ND ND ND ND ND --ND ND ug/L 05/27/15 0.23 1 --------ND ND ND ND ND --ND ND ug/L 11/17/15 0.23 1 --------2.2 B ND ND ND 2.1 B --ND 2.6 J Tetrachloroethene ug/L 06/05/05 --1 ND --ND ND --ND --ND ND ----NDNC 2L= 0.7 ug/L ug/L 12/05/05 0.49 1 ND --ND ND --ND --ND ND ----ND EPA MCL = 5 ug/L ug/L 06/05/06 --1 ND --ND ND --ND --ND ND ----ND ug/L 12/05/06 --1 ND --ND ND --ND --ND ND ----ND ug/L 05/30/07 0.25 1 ND --ND ND --ND --ND ND ----ND ug/L 11/19/07 0.29 1 ND --ND ND --ND --ND ND ----ND ug/L 05/19/08 0.29 1 ----ND ND ND ND ND ND ND ----ND ug/L 11/19/08 0.29 1 ----ND ND ND ND ND ND ND 1.8 --ND ug/L 06/30/09 0.36 1 ----ND ND ND ND ND ND ND 2.6 J --ND ug/L 11/30/09 0.36 1 ----ND ND ND ND ND ND ND 0.60 J --ND ug/L 05/20/10 0.099 1 ----ND ND ND ND ND ND ND 0.42 J --ND ug/L 11/19/10 0..36 1 ----ND ND ND ND ND ND ND ND --ND ug/L 05/19/11 0.73 1 --------ND ND ND ND ND ND --ND ug/L 11/28/11 0.73 1 --------ND ND ND ND ND ND --ND ug/L 05/23/12 --1 --------ND ND ND ND ND ND --ND ug/L 11/26/12 0.17 1 --------ND ND ND ND ND ND --ND ug/L 05/21/13 0.17 1 --------ND ND ND ND ND ND --ND ug/L 11/06/13 0.17 1 --------ND ND ND ND --ND --ND ug/L 05/21/14 0.17 1 --------ND ND ND ND ND ND ND ND ug/L 11/24/14 0.17 1 --------ND ND ND ND ND --ND ND ug/L 05/27/15 0.17 1 --------ND ND ND ND ND --ND ND ug/L 11/17/15 0.17 1 --------ND ND ND ND ND --ND ND Toluene ug/L 09/19/94 ------ND --ND ---------------- NC 2L= 600 ug/L ug/L 12/02/94 --5 ND ND --ND --ND ----ND ------ EPA MCL = 1000 ug/L ug/L 02/07/95 --5 ND ND --ND --ND ----ND ------ ug/L 03/13/95 --5 ND ND --ND --ND ----ND ------ug/L 11/01/95 --5 ND ND --ND --ND ----ND ------ug/L 06/10/96 --1 ND ND --ND --ND ----ND ------ ug/L 11/12/96 --1 ND 1.2 --ND --ND ----ND ------ ug/L 03/18/97 --1 ND ND --ND --ND ----ND ------ ug/L 10/02/97 --1 ND ND --ND --ND ----ND ------ ug/L 05/26/98 --1 ND ND --ND --ND ----ND ------ug/L 12/01/98 --1 ND ND --ND --ND ----ND ----ND ug/L 06/07/99 --5 ND ND --ND --ND ----ND ----ND ug/L 07/08/99 --5 --------------ND -------- ug/L 12/15/99 --5 ND ND --ND --ND --ND ND ----ND ug/L 06/06/00 --5 ND ND --ND --ND --ND ND ----ND ug/L 12/22/00 --5 ND ND --ND --ND --ND ND ----ND ug/L 06/04/01 --5 ND ND --ND --ND --ND ND ----ND ug/L 12/03/01 --5 ND ND --ND --ND --ND ND ----ND ug/L 06/10/02 --5 ND ND --ND --ND --ND ND ----ND ug/L 12/16/02 --5 ND ND --ND --ND --ND ND ----ND ug/L 06/09/03 --5 ND ND --ND --ND --ND ND ----ND ug/L 12/08/03 --5 ND ND --ND --ND --ND ND ----ND ug/L 06/29/04 --5 ND --ND ND --ND --ND ND ----ND ug/L 12/20/04 --1 ND --ND ND --ND --ND ND ----ND ug/L 06/05/05 --1 ND --ND ND --ND --ND ND ----ND ug/L 12/05/05 0.39 1 ND --ND ND --ND --ND ND ----ND ug/L 06/05/06 --1 ND --ND ND --ND --ND ND ----ND ug/L 12/05/06 --1 ND --ND ND --ND --ND ND ----ND ug/L 05/30/07 0.15 1 ND --ND ND --ND --ND ND ----0.33 J ug/L 11/19/07 0.27 1 ND --ND ND --0.37 --ND ND ----ND ug/L 05/19/08 0.27 1 ----0.45 ND ND ND ND ND ND ----0.66 ug/L 11/19/08 0.27 1 ----ND ND ND ND ND ND ND ND --ND ug/L 06/30/09 0.27 1 ----ND ND ND ND ND ND ND ND --ND ug/L 11/30/09 0.27 1 ----ND ND ND ND ND ND ND ND --ND ug/L 05/20/10 0.53 1 ----ND ND ND ND ND ND ND ND --ND ug/L 11/19/10 0.27 1 ----ND ND ND ND ND ND ND ND --ND ug/L 05/19/11 0.85 1 --------ND ND ND ND ND ND --ND ug/L 11/28/11 0.85 1 --------ND ND ND ND ND ND --ND ug/L 05/23/12 --1 --------ND ND ND ND ND ND --ND ug/L 11/26/12 0.14 1 --------ND ND ND ND ND ND --ND ug/L 05/21/13 0.14 1 --------ND ND ND ND ND ND --ND ug/L 11/06/13 0.14 1 --------ND ND ND ND --ND --ND ug/L 05/21/14 0.14 1 --------ND ND ND ND ND ND ND ND ug/L 11/24/14 0.14 1 --------ND ND ND ND ND --ND ND ug/L 05/27/15 0.14 1 --------ND ND ND ND ND --ND ND ug/L 11/17/15 0.14 1 --------ND ND ND ND ND --ND ND February 2016 9 of 9 0739-604215.100 G:\Projects\City of Durham\GWMR\2015 November\Tables\City of Durham Tables November 2015.xlsx PZ-6 MW-7 MW-7R MW-8 MW-9R MW-2 MW-3R MW-4R MW-5 MW-10 NES-3 TABLE 4 Summary of Detected Constituents in Groundwater City of Durham Closed Landfill, Permit #32-01 Durham County, North Carolina BlanksSWS Reporting Limit MDL Detected Monitoring Constituent/Parameter Reporting Units Sample Date Upgradient Downgradient Trichloroethene ug/L 12/08/03 --5 ND ND --ND --ND --ND ND ----ND NC 2L= 3 ug/L ug/L 06/28/04 --5 ND --ND ND --ND --ND ND ----ND EPA MCL = 5 ug/L ug/L 12/20/04 --2 ND --ND ND --ND --ND ND ----NDug/L 06/05/05 --2 ND --ND ND --ND --ND ND ----ND ug/L 12/05/05 0.52 2 ND --ND ND --ND --ND ND ----ND ug/L 06/05/06 --2 ND --ND ND --ND --ND ND ----ND ug/L 12/05/06 --2 ND --ND ND --ND --ND ND ----ND ug/L 05/30/07 0.23 1 ND --ND ND --ND --ND ND ----ND ug/L 11/19/07 0.37 1 ND --ND ND --ND --ND ND ----ND ug/L 05/19/08 0.37 1 ----ND ND ND ND ND ND ND ----ND ug/L 11/19/08 0.37 1 ----ND ND ND ND ND ND ND 30.0 --ND ug/L 06/30/09 0.36 1 ----ND ND ND ND ND ND ND 38 --ND ug/L 11/30/09 0.38 1 ----ND ND ND ND ND ND ND 14 --ND ug/L 05/20/10 0.13 1 ----ND ND ND ND ND ND ND 6.9 --ND ug/L 11/19/10 0.38 1 ----ND ND ND ND ND ND ND 9.5 --ND ug/L 05/19/11 0.72 1 --------ND ND ND ND ND 12.0 --ND ug/L 11/28/11 0.72 1 --------ND ND ND ND ND 5.9 --ND ug/L 05/23/12 --1 --------ND ND ND ND ND 9.8 --ND ug/L 11/26/12 0.15 1 --------ND ND ND ND ND 8.1 --ND ug/L 05/21/13 0.15 1 --------ND ND ND ND ND 1.7 --ND ug/L 11/06/13 0.15 1 --------ND ND ND ND --2.3 --ND ug/L 05/21/14 0.15 1 --------ND ND ND ND ND 4.6 ND ND ug/L 11/24/14 0.15 1 --------ND ND ND ND ND --ND ND ug/L 05/27/15 0.15 1 --------ND ND ND ND ND --ND ND ug/L 11/17/15 1 --------ND ND ND ND ND --ND ND Vinyl Chloride ug/L 12/08/03 --10 ND ND --ND --ND --ND ND ----ND NC 2L= 0.03 ug/L ug/L 06/28/04 --10 ND --ND ND --ND --ND ND ----ND EPA MCL = 2 ug/L ug/L 12/20/04 --2 ND --ND ND --ND --ND ND ----ND ug/L 06/05/05 --2 ND --ND ND --ND --ND ND ----ND ug/L 12/05/05 0.6 2 ND --ND ND --ND --ND ND ----ND ug/L 06/05/06 --2 ND --ND ND --ND --ND ND ----ND ug/L 12/05/06 --2 ND --ND ND --ND --ND ND ----ND ug/L 05/30/07 0.15 1 ND --ND ND --ND --ND ND ----ND ug/L 11/19/07 0.27 1 ND --ND ND --ND --ND ND ----ND ug/L 05/19/08 0.27 1 ----ND ND ND ND ND ND ND ----ND ug/L 11/19/08 0.27 1 ----ND ND ND ND ND ND ND 25 --ND ug/L 06/30/09 0.3 1 ----ND ND ND ND ND ND ND 23 --ND ug/L 11/30/09 0.3 1 ----ND ND ND ND ND ND ND 17 --ND ug/L 05/20/10 0.083 1 ----ND ND ND ND ND ND ND 6.8 --ND ug/L 11/19/10 0.03 1 ----ND ND ND ND ND ND ND 17 --ND ug/L 05/19/11 0.03 1 --------ND ND ND ND ND 12 --ND ug/L 11/28/11 0.60 1 --------ND ND ND ND ND 9.9 --ND ug/L 05/23/12 --1 --------ND ND ND ND ND 15 --ND ug/L 11/26/12 0.32 1 --------ND ND ND ND ND 21 --ND ug/L 05/21/13 0.32 1 --------ND ND ND ND ND 2.1 --ND ug/L 11/06/13 0.32 1 --------ND 0.45 J ND ND --17 --ND ug/L 05/21/14 0.32 1 --------ND ND ND ND ND 6.2 ND ND ug/L 11/24/14 0.32 1 --------ND 0.68 J ND ND ND --ND ND ug/L 05/27/15 0.32 1 --------ND ND ND ND ND --ND ND ug/L 11/17/15 0.32 1 --------ND ND ND ND ND --ND ND Notes: ug/L = micrograms per liter ND = Not detected above laboratory detection limit J = estimated concentration B = blank-qualified result -- = no data available * = EPA Maximum Contaminant Level Secondary Standard # = EPA Maximum Contaminant Level Action Level Blanks = field, trip, and method blanks Shaded = Concentrations above the NC 2L or Solid Waste Section Groundwater Protection Standards have been shaded SWS Reporting Limit = NCPQL from 09/14/94 through 12/05/06 and NCSWSL for 05/30/07 and later MDL = Method Detection Limit 1)Sample data from September 1994 through December 1998 compiled and reported by Malcolm Pirnie, Inc. 2)Sample data from June 1999 through December 2006 collected, compiled and reported by Weston Solutions, Inc. 3)Sample data from May 2007, November 2011 through current collected, compiled, and reported by Golder Associates NC, Inc. 4)Sample data collected from November 2007 to May 2011 collected, complied, and reported by S&ME. 5)Laboratory data prior to November 2011 was not validated by Golder Associates. February 2016 Page 1 of 3 0739-604215.100 G:\Projects\City of Durham\GWMR\2015 November\Tables\City of Durham Tables November 2015.xlsx MW-9R MW-2 MW-3R MW-4R MW-5 NES-3 pH (field)S.U.05/26/98 --6.00 ----7.20 -- S.U.12/01/98 --5.00 ----6.70 -- S.U.06/07/99 --6.19 ----6.70 -- S.U.07/08/99 ------7.29 ---- S.U.12/13/99 --5.37 --6.96 6.88 -- S.U.06/06/00 --5.80 --7.31 7.15 -- S.U.12/11/00 --5.82 --7.14 7.36 -- S.U.06/04/01 --5.65 --7.02 7.27 -- S.U.12/03/01 --5.45 --7.04 7.18 -- S.U.06/10/02 --5.81 --6.74 6.07 -- S.U.12/16/02 --5.67 --7.27 7.60 -- S.U.06/09/03 --5.44 --7.08 7.23 -- S.U.12/09/03 --5.90 --7.67 ---- S.U.06/24/04 --5.78 --6.96 7.30 -- S.U.12/20/04 --7.39 --7.52 7.68 -- S.U.06/08/05 --5.68 --6.94 7.23 -- S.U.12/07/05 --5.76 --7.13 7.16 -- S.U.06/05/06 --5.93 --7.01 7.19 -- S.U.12/05/06 --5.85 --7.06 6.95 -- S.U.05/30/07 --6.12 --6.67 8.57 -- S.U.11/19/07 --5.27 --7.51 6.99 -- S.U.05/19/08 6.40 5.21 6.27 6.85 7.11 -- S.U.11/19/08 4.82 5.74 6.40 7.05 7.18 -- S.U.06/30/09 4.63 5.76 6.13 6.82 6.94 -- S.U.11/30/09 4.77 5.38 7.06 7.01 7.10 -- S.U.05/20/10 4.75 5.29 6.63 6.69 7.00 -- S.U.11/19/10 4.53 5.64 6.73 6.59 6.83 -- S.U.05/19/11 4.72 5.35 6.60 6.75 6.83 -- S.U.11/28/11 4.81 5.35 6.66 6.73 6.77 -- S.U.05/23/12 5.16 5.44 8.01 8.00 7.43 -- Verification Event S.U.06/15/12 --------6.80 -- S.U.11/26/12 4.34 5.47 6.61 6.69 6.45 -- S.U.05/21/13 4.37 5.47 7.04 6.92 7.27 -- S.U.11/06/13 4.90 5.67 6.85 6.94 ---- S.U.05/21/14 5.06 5.22 6.88 7.19 6.93 6.51 S.U.11/24/14 4.42 5.60 6.67 6.94 6.82 5.80 S.U.05/27/15 4.26 4.66 6.51 6.39 6.29 6.28 S.U.11/18/15 3.66 4.84 6.81 6.91 6.67 4.87 Conductivity (field)µS/cm 05/26/98 --80 ----383 -- µS/cm 12/01/98 --59 ----388 -- µS/cm 06/07/99 --95.1 ----467 -- µS/cm 07/08/99 ------608 ---- µS/cm 12/13/99 --81.4 --692 487 -- µS/cm 06/06/00 --85.8 --726 474 -- µS/cm 12/11/00 --103 --463 445 -- µS/cm 06/04/01 --66.5 --539 366 -- µS/cm 12/03/01 --107 --534 437.1 -- µS/cm 06/10/02 --78.0 --625 444 -- µS/cm 12/16/02 --84.0 --668 529 -- µS/cm 06/09/03 --78.0 --652 543 -- µS/cm 12/08/03 --103 --645 ---- µS/cm 06/28/04 --92.0 --630 471 -- µS/cm 12/20/04 --87.0 --689 583 -- µS/cm 06/08/05 --768 --575 467 -- µS/cm 12/08/05 --171 --708 623 -- µS/cm 06/05/06 --66 --604 535 -- µS/cm 12/05/06 --76 --731 724 -- µS/cm 05/30/07 --67 --720 748 -- µS/cm 11/19/07 --163 --587 639 -- µS/cm 05/19/08 50 70 1650 770 770 -- µS/cm 11/19/08 53 104 1584 711 846 -- µS/cm 06/30/09 47 86 1577 652 774 -- µS/cm 11/30/09 45 50 895 555 715 -- µS/cm 05/20/10 51 61 1269 704 832 -- µS/cm 11/19/10 49 167 1055 671 809 -- µS/cm 05/19/11 49 54 920 501 637 -- µS/cm 11/28/11 65 329 1383 710 1013 -- µS/cm 05/23/12 53 82 1413 640 918 -- Verification Event µS/cm 06/15/12 --------956 -- µS/cm 11/26/12 48 351 1444 633 892 -- µS/cm 05/21/13 45 74 1138 643 884 -- µS/cm 11/06/13 94 237 1144 478 ---- µS/cm 05/21/14 88 103 1464 766 1013 195 µS/cm 11/24/14 57 375 1700 687 1004 238 µS/cm 05/27/15 46 90 1500 610 950 211 µS/cm 11/18/15 52 102 1039 597 962 126 TABLE 5 Summary of Groundwater Field Parameters Downgradient City of Durham Closed Landfill, Permit #32-01 Durham County, North Carolina UpgradientDetected Monitoring Constituent/Parameter Reporting Units Sample Date February 2016 Page 2 of 3 0739-604215.100 G:\Projects\City of Durham\GWMR\2015 November\Tables\City of Durham Tables November 2015.xlsx MW-9R MW-2 MW-3R MW-4R MW-5 NES-3 TABLE 5 Summary of Groundwater Field Parameters Downgradient City of Durham Closed Landfill, Permit #32-01 Durham County, North Carolina UpgradientDetected Monitoring Constituent/Parameter Reporting Units Sample Date Temperature (field)°C 05/26/98 --14.6 ----15.3 -- °C 12/01/98 --16 ----16.5 -- °C 06/07/99 --15.1 ----15.3 -- °C 07/08/99 ------17.3 ---- °C 12/13/99 --13.7 --16.1 17.5 -- °C 06/06/00 --17.4 --16.2 15.4 -- °C 12/11/00 --14.2 --12..6 16.0 -- °C 06/04/01 --15.1 --13.6 14.7 -- °C 12/03/01 --14.4 --15.8 19.4 -- °C 06/10/02 --19.0 --15.8 15.2 -- °C 12/16/02 --12.6 --14.1 15.9 -- °C 06/09/03 --15.6 --16.4 14.8 -- °C 12/09/03 --14.8 --14.0 ---- °C 06/24/04 --17.0 --16.3 15.3 -- °C 12/20/04 --12.57 --13.48 14.59 -- °C 06/08/05 --16.62 --18.58 15.60 -- °C 12/07/05 --14.40 --13.36 15.05 -- °C 06/05/06 --15.44 --15.18 17.50 -- °C 12/05/06 --14.12 --14.91 16.21 -- °C 05/30/07 --16.10 --20.39 20.52 -- °C 11/19/07 --16.44 --16.48 18.07 -- °C 05/19/08 16.20 14.41 14.2 14.7 14.46 -- °C 11/19/08 16.60 14.86 15.84 15.45 17.22 -- °C 06/30/09 16.62 17.52 15.43 17.74 15.96 -- °C 11/30/09 18.16 15.37 15.28 15.67 17.00 -- °C 05/20/10 15.15 14.24 14.28 14.51 15.46 -- °C 11/19/10 18.45 16.18 16.29 16.51 17.69 -- °C 05/19/11 16.3 14.39 13.87 14.45 14.17 -- °C 11/28/11 17.67 16.91 16.69 17.17 17.38 -- °C 05/23/12 17.79 15.28 16.07 16.43 16.39 -- Verification Event °C 06/15/12 --------16.07 -- °C 11/26/12 16.85 16.05 14.80 16.60 17.58 -- °C 05/21/13 17.31 15.84 15.32 16.45 16.51 -- °C 11/06/13 17.4 16.8 17.3 17.5 ---- °C 05/21/14 16.7 14.8 14.5 14.4 15.9 16.7 °C 11/24/14 17.4 16.4 15.0 17.7 18.0 15.2 °C 05/27/15 16.9 15.0 15.4 16.8 16.8 15.9 °C 11/18/15 17.2 16.7 17.5 16.9 17.4 16.8 Turbidity (field)NTU 05/26/98 --66.2 ----118 -- NTU 12/01/98 --34 ----201 -- NTU 06/07/99 --------125 -- NTU 07/08/99 ------turbid ---- NTU 12/13/99 --52.6 --265 107 -- NTU 06/06/00 --5.74 --48.2 686 -- NTU 12/11/00 -->200 --51.3 >200 -- NTU 06/04/01 --23.6 --35 >1000 -- NTU 12/03/01 --14 --11 >999 -- NTU 06/10/02 --6.61 --20 ---- NTU 12/16/02 --12.0 --245 130 -- NTU 06/09/03 --128 --45.0 75.0 -- NTU 12/09/03 --110 --15.0 ---- NTU 06/04/04 ------------ NTU 12/20/04 --48 --3.5 372 -- NTU 06/08/05 --5.0 --8.9 611 -- NTU 12/07/05 --63.0 --1.0 >1000 -- NTU 06/05/06 --70.4 --5.3 >1000 -- NTU 12/05/06 --15.8 --2.8 597 -- NTU 05/30/07 --0.0 --0.0 0 -- NTU 11/19/07 --52 --9.3 259 -- NTU 05/19/08 21.5 5.6 60.4 3.1 6.9 -- NTU 11/19/08 11.3 11.4 56.3 3.9 7.4 -- NTU 06/30/09 7.5 9.2 9.9 0 3 -- NTU 11/30/09 9 22.4 13 12 10 -- NTU 05/20/10 9.8 9.6 8.8 0.4 9.6 -- NTU 11/19/10 21 16 10.9 1.2 3.3 -- NTU 05/19/11 18.5 36 8.4 1.4 11.7 -- NTU 11/28/11 86.9 15.1 10.9 2.89 5.51 -- NTU 05/23/12 40.0 29.5 4.10 2.10 63.5 -- Verification Event NTU 06/15/12 --------5.84 -- NTU 11/26/12 220 15.7 6.54 1.56 4.22 -- NTU 05/21/13 12.3 48.3 6.57 1.81 57.0 -- NTU 11/06/13 8.58 5.55 8.04 1.50 ---- NTU 05/21/14 26.5 9.57 20.4 5.72 28.2 26.3 NTU 11/24/14 17.1 0.52 2.27 0.32 1.99 31.3 NTU 05/27/15 7.24 3.11 15.4 0.60 42.4 8.00 NTU 11/18/15 5.42 10.2 17.7 0.94 2.35 13.9 February 2016 Page 3 of 3 0739-604215.100 G:\Projects\City of Durham\GWMR\2015 November\Tables\City of Durham Tables November 2015.xlsx MW-9R MW-2 MW-3R MW-4R MW-5 NES-3 TABLE 5 Summary of Groundwater Field Parameters Downgradient City of Durham Closed Landfill, Permit #32-01 Durham County, North Carolina UpgradientDetected Monitoring Constituent/Parameter Reporting Units Sample Date Oxidation Reduction Potential mV 05/30/07 --228 --95 ---- (field)mV 11/19/07 --218 -----82 -- mV 05/19/08 291 225.1 40 151 -75.2 -- mV 11/19/08 199.3 103.7 -92.4 40.9 -103.7 -- mV 06/30/09 246 154 -47.7 30.4 -43 -- mV 11/30/09 238 241 -51.8 -5.4 -107.9 -- mV 05/20/10 286.6 262.5 -23 25.8 -48.7 -- mV 11/19/10 310.2 176 -37.3 12.7 -76.6 -- mV 05/19/11 194 91 -151 -9.4 -29.9 -- mV 11/28/11 207.7 138.8 4.0 79.0 -26.6 -- mV 05/23/12 243.7 144.5 -93.4 -35.7 -81.6 -- Verification Event mV 06/15/12 ---------337.5 -- mV 11/26/12 58.2 -9.6 -40.2 -43.2 -64.4 -- mV 05/21/13 145.3 112.8 -74.6 37.1 -73.8 -- mV 11/06/13 352.3 112.6 -84.8 90.4 ---- mV 05/21/14 290.5 257.7 -82.7 46.6 -64.9 -- mV 11/24/14 223.8 136.9 31.1 -6.7 -22.4 -4.7 mV 05/27/15 391.0 368.3 -18.1 79.7 -41.6 -5.7 mV 11/18/15 447.5 393.6 36.0 188.8 14.4 186.5 Dissolved Oxygen (field)mg/L 12/01/01 --4.00 --3.90 3.50 -- mg/L 06/10/02 --9.08 --7.00 16.85 -- mg/L 12/16/02 --7.92 --5.99 10.2 -- mg/L 06/09/03 --9.58 --4.63 2.65 -- mg/L 12/08/03 --5.00 --7.90 ---- mg/L 06/24/04 --8.44 --5.37 2.96 -- mg/L 12/20/04 --7.52 --3.65 3.61 -- mg/L 06/08/05 ------------ mg/L 06/05/06 --4.48 --4.31 3.48 -- mg/L 12/05/06 --7.19 --2.83 -20.00 -- mg/L 05/30/07 --2.6 --4.6 ---- mg/L 11/19/07 --2.72 --1.57 0.24 -- mg/L 05/19/08 ------------ mg/L 11/19/08 4.89 9.21 3.84 7.62 0.89 -- mg/L 06/30/09 8.5 67.5 2.9 33.6 6.1 -- mg/L 11/30/09 4.77 8.32 2.84 0.95 0.23 -- mg/L 05/20/10 0.54 8.8 0.12 0.37 0.19 -- mg/L 11/19/10 0.84 3.4 2.67 2.09 1.82 -- mg/L 05/19/11 1.83 6.48 0.2 0.77 0.09 -- mg/L 11/28/11 1.93 1.74 0.93 1.71 0.47 -- mg/L 05/23/12 1.31 1.67 0.61 0.49 0.37 -- Verification Event mg/L 06/15/12 --------0.67 -- mg/L 11/26/12 1.69 2.51 1.09 1.44 0.64 -- mg/L 05/21/13 1.65 1.11 1.29 1.81 0.40 -- mg/L 11/06/13 0.93 0.72 0.78 2.66 ---- mg/L 05/21/14 1.19 1.10 0.29 1.05 0.23 -- mg/L 11/24/14 1.52 1.71 1.37 2.03 0.51 0.35 mg/L 05/27/15 0.25 0.74 --0.61 0.14 0.98 mg/L 11/18/15 1.09 4.64 1.10 2.98 0.60 0.54 Notes: S.U. =Standard Units uS/cm =Microsiemens per centimeter ⁰C = Celsius NTU =Nephelometric Turbidity Units mV = Millivolts mg/L =Milligrams per liter -- =No data available February 2016 1 of 6 0739-604215.100 G:\Projects\City of Durham\GWMR\2015 November\Tables\City of Durham Tables November 2015.xlsx S-4 S-1 S-2 S-3 Antimony ug/L 12/20/04 --5 ND ND ND ND -- SWS GPS = 1 ug/L ug/L 06/05/05 --5 ND ND 5 ND -- ug/L 12/07/05 --5 ND ND ND ND -- ug/L 06/05/06 --5 ND ND dry ND -- ug/L 12/05/06 --5 ND ND ND ND -- ug/L 05/30/07 0.58 6 ND dry dry ND ND ug/L 11/30/07 0.22 6 0.94 J dry dry 0.97 J ND ug/L 05/19/08 0.22 6 0.40 J ND 0.24 J 0.36 J ND ug/L 11/19/08 0.22 6 0.76 B 0.59 B 0.7 B 0.76 B 0.53 J ug/L 06/30/09 0.68 6 ND dry dry ND ND ug/L 11/30/09 0.073 6 0.212 J ND ND ND ND ug/L 05/20/10 0.22 6 0.881 J ND ND ND ND ug/L 11/19/10 0.22 6 ND ND ND ND ND ug/L 05/19/11 0.22 6 0.271 J ND ND ND ND ug/L 11/28/11 0.22 6 ND dry ND ND ND ug/L 05/23/12 0.22 6 0.398 J ND 0.269 J 0.378 J ND ug/L 11/26/12 0.22 6 ND ND ND ND ND ug/L 05/21/13 0.22 6 0.259 J ND ND 0.289 J ND ug/L 11/06/13 0.22 6 ND dry ND ND ND ug/L 05/21/14 0.22 6 0.287 B ND ND 0.274 B 0.475 J ug/L 11/24/14 0.22 6 0.301 J ND 0.330 J 0.301 J ND ug/L 05/27/15 0.22 6 ND dry ND ND ND ug/L 11/17/15 0.22 6 ND ND ND ND ND Arsenic ug/L 05/30/07 2.00 10 ND dry dry ND 3.8 J SW Standard = 10 ug/L ug/L 11/30/07 0.15 10 1.5 B dry dry 1.7 B 0.89 J ug/L 05/19/08 0.15 10 ND ND 1.2 J ND ND ug/L 11/19/08 2.80 10 1.2 J 1.4 J 1.2 J 1 J ND ug/L 06/30/09 2.80 10 ND dry dry ND 4.3 J ug/L 11/30/09 2.80 10 ND ND ND ND ND ug/L 05/20/10 2.80 10 ND ND ND ND 3.22 J ug/L 11/19/10 2.80 10 2.94 J 3.35 J ND ND ND ug/L 05/19/11 2.80 10 ND 5.0 J ND ND ND ug/L 11/28/11 2.80 10 ND dry 4.77 B ND 4.35 J ug/L 05/23/12 2.80 10 ND ND ND ND ND ug/L 11/26/12 2.80 10 ND ND ND ND ND ug/L 05/21/13 5.40 10 ND ND ND ND ND ug/L 11/06/13 5.40 10 ND dry ND ND ND ug/L 05/21/14 5.40 10 ND ND ND ND ND ug/L 11/24/14 5.40 10 ND ND ND ND ND ug/L 05/27/15 6.80 10 ND dry ND ND ND ug/L 11/17/15 6.80 10 ND ND ND ND ND Barium ug/L 02/07/95 ----27 69 82 39 -- SW Standard = 1000 ug/L ug/L 03/13/95 --25 51 61 59 ND -- ug/L 06/10/96 --25 42 86 75 ND -- ug/L 11/12/96 --25 32 37 59 ND -- ug/L 03/18/97 ----44 126 41 27 -- ug/L 10/02/97 --25 92 162 62 ND -- ug/L 05/26/98 ----35 94 72 106 -- ug/L 12/01/98 ----47 dry dry 25 -- ug/L 06/07/99 --25 ND dry dry ND -- ug/L 12/01/99 ----54 174 85 96 -- ug/L 06/06/00 ----73 dry dry dry -- ug/L 12/22/00 ----66 dry dry dry -- ug/L 06/04/01 --25 ND 97 80 ND -- ug/L 12/03/01 --25 ND dry dry ND -- ug/L 06/10/02 --25 ND dry dry ND -- ug/L 12/16/02 ----76 58 64 29 -- ug/L 06/10/03 --25 ND 111 93 28 -- ug/L 12/08/03 --25 14 59 62 ND -- ug/L 06/29/04 --25 ND 83 49 ND -- ug/L 12/20/04 --25 ND 42 71 ND -- ug/L 06/05/05 --25 ND 73 6 28 -- ug/L 12/07/05 ----39 59 52 46 -- ug/L 06/05/06 --25 ND 126 dry ND -- ug/L 12/05/06 ----28 106 79 25 -- ug/L 05/30/07 0.20 100 8.1 J dry dry 7.6 J ND ug/L 11/30/07 1.00 100 3.2 J dry dry 9.1 J ND ug/L 05/19/08 1.00 100 17 J 64 J 66 J 18 J ND ug/L 11/19/08 1.00 100 13 J 96 J 64 J 11 J ND ug/L 06/30/09 4.20 100 9.78 J dry dry 8.29 J ND ug/L 11/30/09 1.00 100 10.5 J 70.1 J 61.4 J 14.1 J ND ug/L 05/20/10 1.00 100 19.6 J 64.1 J 76 J 19.7 J ND ug/L 11/19/10 1.00 100 6.12 J 94.8 J 43.9 J 4.59 J ND ug/L 05/19/11 1.00 100 14.3 J 108 65.2 J 15.5 J 1.14 J ug/L 11/28/11 1.00 100 63.3 J dry 72.7 J 8.82 J ND ug/L 05/23/12 1.00 100 34.4 J 96.5 J 70.7 J 38.6 J ND ug/L 11/26/12 1.00 100 6.33 J 104 62.5 J 6.42 J 1.14 J ug/L 05/21/13 1.00 100 32.6 J 58.3 J 69.1 J 31.7 J ND ug/L 11/06/13 1.00 100 4.34 J dry 59.3 J 7.44 J ND ug/L 05/21/14 1.00 100 19.8 J 73.0 J 71.3 J 20.4 J ND ug/L 11/24/14 1.00 100 15.7 J 85.7 J 47.8 J 17.5 J ND ug/L 05/27/15 1.00 100 16.5 J dry 107 15.9 J 1.05 J ug/L 11/17/15 1.00 100 18.0 J 66.8 J 79.2 J 16.6 J 2.15 J Beryllium ug/L 05/30/07 0.70 1 ND dry dry ND ND SW Standard = 6.5 ug/L #ug/L 11/30/07 0.24 1 0.4 J dry dry 0.43 J ND ug/L 05/19/08 0.24 1 ND ND 0.34 J ND ND ug/L 11/19/08 0.24 1 ND 0.35 J ND ND ND ug/L 06/30/09 0.08 1 ND dry dry ND ND ug/L 11/30/09 1.00 1 ND ND ND ND 0.121 J ug/L 05/20/10 0.10 1 ND ND ND ND ND ug/L 11/19/10 0.10 1 ND ND ND ND ND ug/L 05/19/11 0.10 1 ND ND 1.35 J ND ND ug/L 11/28/11 0.10 1 ND dry ND ND ND ug/L 05/23/12 0.10 1 ND 0.190 J 0.217 J ND ND ug/L 11/26/12 0.10 1 ND ND ND ND ND ug/L 05/21/13 0.10 1 ND 0.143 J 0.173 J ND ND ug/L 11/06/13 0.10 1 ND dry ND ND ND ug/L 05/21/14 0.10 1 ND ND 0.103 J ND ND ug/L 11/24/14 0.10 1 ND ND ND ND ND ug/L 05/27/15 0.10 1 ND dry 0.125 J ND ND ug/L 11/17/15 0.10 1 ND ND ND ND ND TABLE 6 Summary of Surface Water Monitoring Results City of Durham Closed Landfill, Permit No. 32-01 Durham County, North Carolina DownstreamDetected Monitoring Constituent/Parameter Reporting Units Sample Date MDL SWS Reporting Limit Blanks Upstream February 2016 2 of 6 0739-604215.100 G:\Projects\City of Durham\GWMR\2015 November\Tables\City of Durham Tables November 2015.xlsx S-4 S-1 S-2 S-3 TABLE 6 Summary of Surface Water Monitoring Results City of Durham Closed Landfill, Permit No. 32-01 Durham County, North Carolina DownstreamDetected Monitoring Constituent/Parameter Reporting Units Sample Date MDL SWS Reporting Limit Blanks Upstream Chromium ug/L 02/07/95 --5 ND ND ND ND -- SW Standard = 50 ug/L #ug/L 03/13/95 --5 ND ND ND ND -- ug/L 06/10/96 --5 ND ND ND ND -- ug/L 11/12/96 --5 ND ND ND ND -- ug/L 03/18/97 --5 ND ND ND ND -- ug/L 10/02/97 --5 ND 5.9 ND ND -- ug/L 05/26/98 --5 ND 5 ND ND -- ug/L 12/01/98 --5 ND dry dry ND -- ug/L 06/07/99 --5 ND dry dry ND -- ug/L 12/01/99 ----7 16 8 8 -- ug/L 06/06/00 --5 ND dry dry dry -- ug/L 12/22/00 --5 ND dry dry dry -- ug/L 06/04/01 --5 ND ND ND ND -- ug/L 12/03/01 --5 ND dry dry ND -- ug/L 06/10/02 --5 ND dry dry ND -- ug/L 12/16/02 --5 ND ND ND ND -- ug/L 06/10/03 --5 ND 5 ND ND -- ug/L 12/08/03 --5 ND 5 ND ND -- ug/L 06/29/04 --5 ND ND ND ND -- ug/L 12/20/04 --5 5 ND ND ND -- ug/L 06/05/05 --5 ND ND ND 5 -- ug/L 12/07/05 --5 5 ND ND 9 -- ug/L 06/05/06 --5 ND ND dry ND -- ug/L 12/05/06 --5 ND ND ND ND -- ug/L 05/30/07 2.00 10 ND dry dry ND ND ug/L 11/30/07 2.30 10 ND dry dry ND ND ug/L 05/19/08 2.30 10 ND ND ND ND ND ug/L 11/19/08 2.30 10 ND ND 3.0 J ND ND ug/L 06/30/09 0.70 10 ND dry dry 1.1 J ND ug/L 11/30/09 1.00 10 ND 2.64 J ND ND ND ug/L 05/20/10 1.00 10 1.18 J 3.03 J 4.65 J ND ND ug/L 11/19/10 1.00 10 ND ND ND ND ND ug/L 05/19/11 1.00 10 ND 1.44 J 2.95 J ND ND ug/L 11/28/11 1.00 10 ND dry ND ND ND ug/L 05/23/12 1.00 10 3.73 J 5.48 J 6.08 J 3.57 J ND ug/L 11/26/12 1.00 10 ND ND ND ND ND ug/L 05/21/13 1.40 10 ND 2.08 J 2.18 J 1.57 J ND ug/L 11/06/13 1.40 10 6.44 J dry ND ND ND ug/L 05/21/14 1.40 10 ND ND 3.33 J ND ND ug/L 11/24/14 1.40 10 ND 3.48 J 2.28 J ND ND ug/L 05/27/15 1.40 10 ND dry ND ND ND ug/L 11/17/15 1.40 10 ND ND ND ND ND Cobalt ug/L 05/30/07 2.00 10 ND dry dry ND ND (No Standard)ug/L 11/30/07 --10 ND dry dry ND ND ug/L 05/19/08 --10 ND ND ND ND ND ug/L 11/19/08 --10 ND 1.5 J 1.4 J ND ND ug/L 06/30/09 --10 0.9 J dry dry 0.7 J ND ug/L 11/30/09 --10 ND ND 1.54 J ND ND ug/L 05/20/10 --10 ND 1.19 J 2.16 J ND ND ug/L 11/19/10 --10 ND 5.47 J ND ND ND ug/L 05/19/11 --10 ND 4.66 J 1.75 J 1.22 J ND ug/L 11/28/11 1.10 10 ND dry ND ND ND ug/L 05/23/12 1.10 10 2.13 J 3.16 J 2.53 J 1.80 J ND ug/L 11/26/12 1.10 10 ND 4.43 J 1.28 J ND ND ug/L 05/21/13 1.10 10 ND ND ND ND ND ug/L 11/06/13 1.10 10 1.17 B dry 2.11 B 1.23 B 1.11 J ug/L 05/21/14 1.10 10 1.35 J 2.09 J 2.32 J 1.33 J ND ug/L 11/24/14 1.10 10 ND 1.81 J ND 1.30 J ND ug/L 05/27/15 1.10 10 ND dry 5.30 J ND ND ug/L 11/17/15 1.10 10 ND 2.21 J 2.18 J ND ND Copper ug/L 02/07/95 --5 ND ND ND ND -- SW Standard = 7 ug/L #**ug/L 03/13/95 --5 5.5 6.8 8.6 ND -- ug/L 06/10/96 --5 6.3 5.9 5.7 ND -- ug/L 11/12/96 --5 ND ND ND ND -- ug/L 03/18/97 --5 6 ND ND 6 -- ug/L 10/02/97 --5 ND ND ND ND -- ug/L 05/26/98 ----6 8 6 9 -- ug/L 12/01/98 --5 ND dry dry ND -- ug/L 06/07/99 --5 ND dry dry ND -- ug/L 12/01/99 ----10 14 10 11 -- ug/L 06/06/00 --5 ND dry dry dry -- ug/L 12/22/00 --5 ND dry dry dry -- ug/L 06/04/01 --5 13 ND 8 ND -- ug/L 12/03/01 --5 ND dry dry ND -- ug/L 06/10/02 --5 ND dry dry ND 0.7 J ug/L 12/16/02 --5 21 8 10 8 -- ug/L 06/10/03 --5 ND 8 6 ND -- ug/L 12/08/03 --5 ND 5 6 5 -- ug/L 06/29/04 --5 ND 8 ND ND -- ug/L 12/20/04 --5 ND ND ND ND -- ug/L 06/05/05 ----3 5 5 2 -- ug/L 12/07/05 ----9 7 10 11 -- ug/L 06/05/06 ----3 9 dry 3 -- ug/L 12/05/06 ----2 3 6 3 -- ug/L 05/30/07 0.60 10 1.3 B dry dry 0.8 B 0.7 J ug/L 11/30/07 0.45 10 1.3 B dry dry 2.1 B 1.1 J ug/L 05/19/08 0.45 10 4 B 6 B 10 B 3.8 B 5.7 J ug/L 11/19/08 0.45 10 2.7 B 4.3 B 4.7 B 3.3 B 1.1 J ug/L 06/30/09 0.81 10 ND dry dry ND 2.36 J ug/L 11/30/09 1.60 10 ND 2.83 J 2.34 J ND ND ug/L 05/20/10 1.60 10 2.73 J 4.41 J 9.21 J ND ND ug/L 11/19/10 1.60 10 ND ND ND ND ND ug/L 05/19/11 1.60 10 1.6 J 2.11 J 3.75 J 1.93 J ND ug/L 11/28/11 1.60 10 3.71 J dry 2.89 J 2.19 J ND ug/L 05/23/12 1.60 10 6.32 J 7.36 J 7.57 J 6.19 J ND ug/L 11/26/12 1.60 10 ND ND ND ND ND ug/L 05/21/13 1.60 10 5.74 J 5.24 J 8.99 J 5.62 J ND ug/L 11/06/13 1.60 10 ND dry 2.06 J 1.75 J ND ug/L 05/21/14 1.60 10 2.17 J 2.66 J 3.89 J 2.30 J ND ug/L 11/24/14 1.60 10 2.87 J 6.06 J 3.59 J 2.94 J ND ug/L 05/27/15 1.60 10 ND dry ND ND ND ug/L 11/17/15 1.60 10 ND ND ND ND ND February 2016 3 of 6 0739-604215.100 G:\Projects\City of Durham\GWMR\2015 November\Tables\City of Durham Tables November 2015.xlsx S-4 S-1 S-2 S-3 TABLE 6 Summary of Surface Water Monitoring Results City of Durham Closed Landfill, Permit No. 32-01 Durham County, North Carolina DownstreamDetected Monitoring Constituent/Parameter Reporting Units Sample Date MDL SWS Reporting Limit Blanks Upstream Lead ug/L 02/07/95 --5 11 ND 6.2 ND -- SW Standard = 25 ug/L #*ug/L 03/13/95 --5 ND ND 7.5 ND -- ug/L 06/10/96 --5 ND ND ND ND -- ug/L 11/12/96 --5 ND ND ND ND -- ug/L 03/18/97 --5 5 ND ND 5 -- ug/L 10/02/97 --5 ND ND ND ND -- ug/L 05/26/98 --5 ND ND ND ND -- ug/L 12/01/98 --5 5 dry dry 5 -- ug/L 06/07/99 --5 ND dry dry ND -- ug/L 12/01/99 ----17 5 5 7 -- ug/L 06/06/00 --5 ND dry dry dry -- ug/L 12/27/00 --5 ND dry dry dry -- ug/L 06/04/01 --5 ND 9 ND ND -- ug/L 12/03/01 --5 ND dry dry ND -- ug/L 06/10/02 --5 ND dry dry ND -- ug/L 12/16/02 --5 ND ND ND ND -- ug/L 06/10/03 --5 9 ND 6 ND -- ug/L 12/08/03 --5 ND ND ND ND -- ug/L 06/29/04 --5 ND ND ND ND -- ug/L 12/20/04 --5 ND ND ND ND -- ug/L 06/05/05 --5 9 ND 6 ND -- ug/L 12/07/05 --5 10 ND ND 10 -- ug/L 06/05/06 --5 ND ND dry ND -- ug/L 12/05/06 --5 ND ND ND ND -- ug/L 05/30/07 2.00 10 ND dry dry ND 3.1 J ug/L 11/30/07 2.40 5 ND dry dry ND 3.5 J ug/L 05/19/08 2.40 5 ND ND 4.1 J ND ND J ug/L 11/19/08 2.40 5 0.5 B 0.79 B 1.7 B 0.45 B 3.1 J ug/L 06/30/09 1.60 5 2.4 B dry dry ND ND ug/L 11/30/09 1.90 10 ND ND ND ND 3.09 J ug/L 05/20/10 1.90 10 ND 3.15 J 3.61 J ND ND ug/L 11/19/10 1.90 10 ND ND ND ND ND ug/L 05/19/11 1.90 10 2.31 J ND 2.90 J ND ND ug/L 11/28/11 1.90 10 ND dry ND ND ND ug/L 05/23/12 1.90 10 7.33 J 7.51 J 6.25 J 9.08 J ND ug/L 11/26/12 1.90 10 ND ND ND ND ND ug/L 05/21/13 2.10 10 ND ND 3.49 J 3.00 J ND ug/L 11/06/13 2.10 10 ND dry ND ND ND ug/L 05/21/14 2.10 10 2.71 J 3.22 J 4.18 J 2.95 J ND ug/L 11/24/14 2.10 10 ND ND ND ND ND ug/L 05/27/15 3.10 10 ND dry 4.35 J ND ND ug/L 11/17/15 3.10 10 ND ND ND ND ND Nickel ug/L 02/07/95 --10 ND ND ND ND -- SW Standard = 25 ug/L ug/L 03/13/95 --10 ND 13 16 ND -- ug/L 06/10/96 --10 ND ND ND ND -- ug/L 11/12/96 --10 ND ND ND ND -- ug/L 03/18/97 --10 ND ND ND ND -- ug/L 10/02/97 --10 ND ND ND ND -- ug/L 05/26/98 --10 ND ND ND ND -- ug/L 12/01/98 --10 ND dry dry ND -- ug/L 06/07/99 --10 ND dry dry ND -- ug/L 12/01/99 ----10 12 10 10 -- ug/L 06/06/00 --10 ND dry dry dry -- ug/L 12/22/00 --10 ND dry dry dry -- ug/L 06/04/01 --10 ND ND ND ND -- ug/L 12/03/01 --10 ND dry dry ND -- ug/L 06/10/02 --10 ND dry dry ND -- ug/L 12/16/02 --10 ND ND ND ND -- ug/L 06/10/03 --10 ND ND ND ND -- ug/L 12/08/03 --10 ND ND ND ND -- ug/L 06/29/04 --10 ND ND ND ND -- ug/L 12/20/04 --10 ND ND ND ND -- ug/L 06/05/05 --10 ND ND ND ND -- ug/L 12/07/05 --10 ND ND ND ND -- ug/L 06/05/06 --10 ND ND dry ND -- ug/L 12/05/06 --10 ND ND ND ND -- ug/L 05/30/07 2.00 50 2.7 J dry dry 2.7 J ND ug/L 11/30/07 9.80 50 ND dry dry ND ND ug/L 05/19/08 9.80 50 ND ND ND ND ND ug/L 11/19/08 9.80 50 ND ND ND ND ND ug/L 06/30/09 0.60 50 3.1 B dry dry 3.8 B 0.6 J ug/L 11/30/09 1.80 50 ND 2.60 B 3.25 B ND 4.59 J ug/L 05/20/10 1.80 50 2.23 J 2.36 J 3.83 J 1.97 J ND ug/L 11/19/10 1.80 50 ND 4.72 J ND ND ND ug/L 05/19/11 1.80 50 2.11 J 4.4 J 3.14 J 2.05 J ND ug/L 11/28/11 1.80 50 3.30 J dry 3.11 J 1.90 J ND ug/L 05/23/12 1.80 50 2.85 J 4.77 J 4.35 J 3.48 J ND ug/L 11/26/12 1.80 50 ND 2.96 J ND 1.88 J ND ug/L 05/21/13 1.80 50 3.23 J 3.57 J 5.00 J 3.07 J ND ug/L 11/06/13 1.80 50 4.89 J dry 2.04 J ND ND ug/L 05/21/14 1.80 50 1.81 J ND 2.28 J 2.37 J ND ug/L 11/24/14 1.80 50 2.45 J 3.66 J 1.89 J ND ND ug/L 05/27/15 1.80 50 ND dry 2.68 J ND ND ug/L 11/17/15 1.80 50 ND 2.08 J 2.99 J ND ND Selenium ug/L 05/30/07 2.00 10 2.9 B dry dry 2.3 B 5.7 J SW Standard = 5 ug/L #ug/L 11/30/07 0.43 10 2.6 B dry dry ND 0.52 J ug/L 05/19/08 0.43 10 ND ND ND ND ND ug/L 11/19/08 0.43 10 1.2 B ND 0.54 B 0.39 B 0.36 J ug/L 06/30/09 3.40 10 ND dry dry ND 0.6 J ug/L 11/30/09 2.70 10 ND ND ND ND ND ug/L 05/20/10 0.83 10 ND ND ND ND ND ug/L 11/19/10 0.83 10 ND ND ND ND ND ug/L 05/19/11 0.83 10 1.88 J 1.7 J 1.32 J 1.81 J ND ug/L 11/28/11 2.70 10 ND dry ND ND ND ug/L 05/23/12 --10 ND ND ND ND ND ug/L 11/26/12 4.50 10 ND ND ND ND ND ug/L 05/21/13 5.00 10 ND ND ND ND ND ug/L 11/06/13 5.00 10 ND dry ND ND ND ug/L 05/21/14 5.00 10 ND ND ND ND ND ug/L 11/24/14 5.00 10 ND ND ND ND ND ug/L 05/27/15 5.00 10 ND dry ND ND ND ug/L 11/17/15 5.00 10 ND ND ND ND ND February 2016 4 of 6 0739-604215.100 G:\Projects\City of Durham\GWMR\2015 November\Tables\City of Durham Tables November 2015.xlsx S-4 S-1 S-2 S-3 TABLE 6 Summary of Surface Water Monitoring Results City of Durham Closed Landfill, Permit No. 32-01 Durham County, North Carolina DownstreamDetected Monitoring Constituent/Parameter Reporting Units Sample Date MDL SWS Reporting Limit Blanks Upstream Silver ug/L 02/07/95 --1 ND ND ND ND -- SW Standard = 0.06 ug/L #**ug/L 03/13/95 --1 ND ND ND ND -- ug/L 06/10/96 --1 ND 1.8 3.3 ND -- ug/L 11/12/96 --1 ND ND ND ND -- ug/L 03/18/97 --1 ND ND ND ND -- ug/L 10/02/97 --1 ND ND ND ND -- ug/L 05/26/98 --1 ND ND ND ND -- ug/L 12/01/98 --1 ND dry dry ND -- ug/L 06/07/99 --1 ND dry dry ND -- ug/L 12/01/99 ----1 1 1 1 -- ug/L 06/06/00 --1 ND dry dry dry -- ug/L 12/22/00 --1 ND dry dry dry -- ug/L 06/04/01 --1 ND ND ND ND -- ug/L 12/03/01 --1 ND dry dry ND -- ug/L 06/10/02 --1 ND dry dry ND -- ug/L 12/16/02 --1 ND ND ND ND -- ug/L 06/10/03 --1 ND ND ND ND -- ug/L 12/08/03 --1 ND ND ND ND -- ug/L 06/29/04 --1 ND ND ND ND -- ug/L 12/20/04 --1 ND ND ND ND -- ug/L 06/05/05 --1 ND ND ND ND -- ug/L 12/07/05 --1 ND ND ND ND -- ug/L 06/05/06 --1 ND ND dry ND -- ug/L 12/05/06 --1 ND ND ND ND -- ug/L 05/30/07 2.00 10 ND dry dry ND ND ug/L 11/30/07 2.50 10 2.7 J dry dry 2.7 J ND ug/L 05/19/08 2.50 10 ND ND ND ND ND ug/L 11/19/08 2.50 10 ND ND ND ND ND ug/L 06/30/09 1.00 10 ND dry dry ND -- ug/L 11/30/09 1.90 10 ND ND ND ND ND ug/L 05/20/10 1.90 10 ND ND ND ND ND ug/L 11/19/10 1.90 10 ND ND ND ND ND ug/L 05/19/11 1.90 10 ND ND ND ND ND ug/L 11/28/11 1.90 10 ND dry ND ND ND ug/L 05/23/12 1.90 10 ND ND ND ND ND ug/L 11/26/12 1.90 10 ND ND ND ND ND ug/L 05/21/13 1.90 10 ND ND ND ND ND ug/L 11/06/13 1.90 10 ND dry ND ND ND ug/L 05/21/14 1.90 10 ND ND ND ND ND ug/L 11/24/14 1.90 10 ND ND ND ND ND ug/L 05/27/15 1.90 10 ND dry ND ND ND ug/L 11/17/15 1.90 10 2.78 B 2.25 B 2.43 B 2.63 B 2.22 J Thallium ug/L 05/30/07 0.044 5.5 ND dry dry ND ND (No Standard)ug/L 11/30/07 0.090 5.5 0.61 J dry dry 0.62 J ND ug/L 05/19/08 0.090 5.5 ND ND ND ND ND ug/L 11/19/08 0.090 5.5 ND ND ND ND ND ug/L 06/30/09 0.036 5.5 ND dry dry ND ND ug/L 11/30/09 0.11 5.5 ND ND ND 0.685 J ND ug/L 05/20/10 0.11 5.5 ND ND ND ND ND ug/L 11/19/10 0.11 5.5 ND ND ND ND ND ug/L 05/19/11 0.11 5.5 ND ND ND ND ND ug/L 11/28/11 0.11 5.5 ND dry ND ND ND ug/L 05/23/12 0.11 5.5 ND ND ND ND ND ug/L 11/26/12 0.11 5.5 ND ND ND ND ND ug/L 05/21/13 0.11 5.5 ND ND ND ND ND ug/L 11/06/13 0.11 5.5 ND dry ND ND ND ug/L 05/21/14 0.11 5.5 ND ND ND ND ND ug/L 11/24/14 0.11 5.5 ND ND ND ND ND ug/L 05/27/15 0.11 5.5 ND dry ND ND ND ug/L 11/17/15 0.11 5.5 ND ND ND ND ND Vanadium ug/L 02/07/95 --5 ND ND ND ND -- (No Standard)ug/L 03/13/95 --5 ND ND ND ND -- ug/L 06/10/96 --5 ND ND 7.7 ND -- ug/L 11/12/96 --5 ND 8 ND ND -- ug/L 03/18/97 --5 ND ND ND ND -- ug/L 10/02/97 --5 ND 8.5 ND 5.7 -- ug/L 05/26/98 --5 ND 5 5 5 -- ug/L 12/01/98 --5 ND dry dry 5 -- ug/L 06/07/99 --5 ND dry dry ND -- ug/L 12/01/99 ----11 22 10 11 -- ug/L 06/06/00 ----5 dry dry dry -- ug/L 12/22/00 ----5 dry dry dry -- ug/L 06/04/01 --5 ND ND 5 ND -- ug/L 12/03/01 ----6 dry dry 6 -- ug/L 06/10/02 ----6 dry dry 6 -- ug/L 12/16/02 --5 7 ND ND ND -- ug/L 06/10/03 --5 ND 7 5 ND -- ug/L 12/08/03 --5 ND ND ND ND -- ug/L 06/29/04 --5 ND ND ND ND -- ug/L 12/20/04 --5 ND ND ND ND -- ug/L 06/05/05 --5 5 ND ND ND -- ug/L 12/07/05 --5 7 ND ND 6 -- ug/L 06/05/06 --5 ND ND dry ND -- ug/L 12/05/06 --5 ND ND ND ND -- ug/L 05/30/07 1.00 25 ND dry dry 1.2 J ND ug/L 11/30/07 2.90 25 ND dry dry ND ND ug/L 05/19/08 2.90 25 ND ND 3.1 J ND ND ug/L 11/19/08 2.90 25 ND ND 2.6 J ND ND ug/L 06/30/09 0.70 25 2.4 J dry dry 2.4 J ND ug/L 11/30/09 1.40 25 1.96 J 1.52 J 1.96 J 2.03 J ND ug/L 05/20/10 1.40 25 4.02 J 5.14 J 7.89 J 5.27 J ND ug/L 11/19/10 1.40 25 1.78 J ND ND 1.64 J ND ug/L 05/19/11 1.40 25 2.97 J ND 5.0 J 2.84 J ND ug/L 11/28/11 1.40 25 ND dry ND ND ND ug/L 05/23/12 1.40 25 6.43 J 8.23 J 9.68 J 5.98 J ND ug/L 11/26/12 1.40 25 4.37 J ND ND 4.44 J ND ug/L 05/21/13 1.40 25 3.58 J 3.80 J 4.19 J 3.81 J ND ug/L 11/06/13 1.40 25 3.33 J dry ND 3.12 J ND ug/L 05/21/14 1.40 25 3.82 J 2.27 J 4.99 J 3.85 J ND ug/L 11/24/14 1.40 25 3.03 J 4.93 J 2.56 J 3.23 J ND ug/L 05/27/15 1.40 25 2.19 J dry 2.86 J 2.01 J ND ug/L 11/17/15 1.40 25 1.46 J 1.85 J 2.35 J ND ND February 2016 5 of 6 0739-604215.100 G:\Projects\City of Durham\GWMR\2015 November\Tables\City of Durham Tables November 2015.xlsx S-4 S-1 S-2 S-3 TABLE 6 Summary of Surface Water Monitoring Results City of Durham Closed Landfill, Permit No. 32-01 Durham County, North Carolina DownstreamDetected Monitoring Constituent/Parameter Reporting Units Sample Date MDL SWS Reporting Limit Blanks Upstream Zinc ug/L 02/07/95 --10 33 ND ND 21 -- SW Standard = 50 ug/L #**ug/L 03/13/95 ----34 63 87 67 -- ug/L 06/10/96 --10 ND ND ND 13 -- ug/L 11/12/96 --10 20 ND 16 22 -- ug/L 03/18/97 --10 32 ND ND 32 -- ug/L 10/02/97 --10 10 14 21 146 -- ug/L 05/26/98 ----25 26 19 48 -- ug/L 12/01/98 --10 ND dry dry 56 -- ug/L 06/07/99 ----76 dry dry 42 -- ug/L 12/01/99 ----89 58 45 66 -- ug/L 06/06/00 ----10 dry dry dry -- ug/L 12/22/00 --10 ND dry dry dry -- ug/L 06/04/01 ----39 14 16 28 -- ug/L 12/03/01 ----42 dry dry 80 -- ug/L 06/10/02 ----25 dry dry 36 -- ug/L 12/16/02 ----106 18 16 39 -- ug/L 06/10/03 ----18 22 15 19 -- ug/L 12/08/03 --10 106 11 ND 42 -- ug/L 06/29/04 --10 21 ND ND 19 -- ug/L 12/20/04 --10 31 ND ND 30 -- ug/L 06/05/05 --10 33 ND ND 30 -- ug/L 12/07/05 ----38 10 16 33 -- ug/L 06/05/06 ----21 17 dry 17 -- ug/L 12/05/06 --10 38 ND 11 41 -- ug/L 05/30/07 1.00 10 51.9 dry dry 52.5 2.4 J ug/L 11/30/07 3.00 10 73 B dry dry 62 B 90.0 ug/L 05/19/08 3.00 10 48 10 38 47 ND ug/L 11/19/08 3.00 10 29 12 12 26 ND ug/L 06/30/09 3.40 10 24.7 B dry dry 28.3 B 15.2 ug/L 11/30/09 3.80 10 44.6 8.39 J 8.54 J 39.2 ND ug/L 05/20/10 3.80 10 26.6 9.7 J 18.5 29.7 ND ug/L 11/19/10 3.80 10 39.5 9.74 J 4.01 J 40.3 ND ug/L 05/19/11 3.80 10 37.1 4.56 B 10.1 B 36.8 4.26 J ug/L 11/28/11 3.80 10 7.24 J dry 5.77 J 36.6 ND ug/L 05/23/12 3.80 10 38.8 17.1 22.1 34.0 ND ug/L 11/26/12 3.80 10 20.5 ND ND 20.2 ND ug/L 05/21/13 3.80 10 20.7 5.84 J 16.4 16.8 ND ug/L 11/06/13 3.80 10 35.4 dry 4.62 J 28.0 ND ug/L 05/21/14 3.80 10 34.6 5.26 J 12.5 35.7 ND ug/L 11/24/14 3.80 10 27.0 13.8 8.40 J 26.2 ND ug/L 05/27/15 3.80 10 36.5 dry 8.96 J 36.1 ND ug/L 11/17/15 3.80 10 27.5 10.2 7.20 J 25.5 ND Acetone ug/L 05/30/07 0.9 100 ND dry dry 5.4 B 3.8 J (No Standard)ug/L 11/30/07 8.9 100 ND dry dry ND ND ug/L 05/19/08 8.9 100 ND ND ND ND 13.0 J ug/L 11/19/08 8.9 100 ND ND ND ND ND ug/L 06/30/09 1.5 100 ND dry dry ND ND ug/L 11/30/09 1.5 100 ND ND ND ND ND ug/L 05/20/10 1.5 100 ND ND ND ND ND ug/L 11/19/10 1.5 100 ND 2.0 J 2.5 J ND ND ug/L 05/19/11 1.2 100 ND ND ND ND ND ug/L 11/28/11 1.2 100 ND dry ND ND ND ug/L 05/23/12 1.2 100 11 B 5.4 B 9.2 B 10 B 16 J ug/L 11/26/12 1.2 100 ND ND ND ND ND ug/L 05/21/13 1.2 100 ND ND ND ND ND ug/L 11/06/13 1.2 100 ND dry ND ND ND ug/L 05/21/14 1.2 100 ND 4.4 J ND ND ND ug/L 11/24/14 1.2 100 ND ND ND ND ND ug/L 05/27/15 1.2 100 ND dry ND ND ND ug/L 11/17/15 1.2 100 15 J ND ND 16 J ND Chloroform ug/L 09/19/94 ----ND dry dry ND -- (No Standard)ug/L 02/07/95 --5 ND ND ND ND -- ug/L 03/13/95 --5 ND ND ND ND -- ug/L 06/10/96 --1 ND ND ND ND -- ug/L 11/12/96 --1 ND ND ND ND -- ug/L 03/18/97 --1 ND ND ND ND -- ug/L 10/02/97 --1 ND ND ND ND -- ug/L 05/26/98 --5 ND ND ND ND -- ug/L 12/01/98 --2 ND ND ND ND -- ug/L 06/07/99 --5 ND dry dry ND ND ug/L 12/15/99 --5 ND ND ND ND ND ug/L 06/06/00 --5 ND dry dry dry ND ug/L 12/22/00 --5 ND dry dry dry ND ug/L 06/04/01 --5 ND ND ND ND ND ug/L 12/13/01 --5 ND dry dry ND ND ug/L 06/10/02 --5 ND dry dry ND ND ug/L 12/16/02 --5 ND ND ND ND ND ug/L 06/09/03 --5 ND ND ND ND ND ug/L 12/08/03 --5 ND ND ND ND ND ug/L 06/28/04 --5 ND ND ND ND ND ug/L 12/20/04 --1 ND ND ND ND ND ug/L 06/05/05 --1 ND ND ND ND ND ug/L 12/07/05 0.35 1 ND ND ND ND ND ug/L 06/05/06 --1 0.65 J ND ND 0.59 J ND ug/L 12/05/06 --1 ND ND ND ND ND ug/L 05/30/07 0.16 5 0.60 J dry dry 0.55 J ND ug/L 11/30/07 0.33 5 0.6 J dry dry 0.42 -- ug/L 05/19/08 0.33 5 0.66 J ND ND 0.58 -- ug/L 11/19/08 0.33 5 0.39 J ND ND 0.42 -- ug/L 06/30/09 0.20 5 ND dry dry ND -- ug/L 11/30/09 0.20 5 0.52 J ND ND ND -- ug/L 05/20/10 0.083 5 ND ND ND ND -- ug/L 11/19/10 0.083 5 ND ND ND ND -- ug/L 05/19/11 0.70 5 ND ND ND ND -- ug/L 11/28/11 0.70 5 ND dry ND ND ND ug/L 05/23/12 --5 ND ND ND ND ND ug/L 11/26/12 0.18 5 ND ND ND ND ND ug/L 05/21/13 0.18 5 ND ND ND ND ND ug/L 11/06/13 0.18 5 ND dry ND ND ND ug/L 05/21/14 0.18 5 ND ND ND ND ND ug/L 11/24/14 0.18 5 ND ND ND ND ND ug/L 05/27/15 0.18 5 1.6 J dry ND 1.6 J ND ug/L 11/17/15 0.18 5 ND ND ND ND ND cis-1,2-Dichloroethene ug/L 05/30/07 0.14 5 ND dry dry ND ND No WS Standard ug/L 11/30/07 -------------- ug/L 05/19/08 -------------- ug/L 11/19/08 0.36 5 ND ND ND ND ND ug/L 06/30/09 0.36 5 ND ND ND ND ND ug/L 11/30/09 0.36 5 ND ND ND ND ND ug/L 05/20/10 0.075 5 ND ND ND ND ND ug/L 11/19/10 0.075 5 ND ND ND ND ND ug/L 05/19/11 0.72 5 ND ND ND ND ND ug/L 11/28/11 0.72 5 ND dry ND ND ND ug/L 05/23/12 --5 ND ND ND ND ND ug/L 11/26/12 0.15 5 ND ND ND ND ND ug/L 05/21/13 0.15 5 ND ND ND ND ND ug/L 11/06/13 0.15 5 ND dry ND ND ND ug/L 05/21/14 0.15 5 ND ND ND ND ND ug/L 11/24/14 0.15 5 ND ND ND ND ND ug/L 05/27/15 0.15 5 ND dry 0.59 J ND ND ug/L 11/17/15 0.15 5 ND ND ND ND ND February 2016 6 of 6 0739-604215.100 G:\Projects\City of Durham\GWMR\2015 November\Tables\City of Durham Tables November 2015.xlsx S-4 S-1 S-2 S-3 TABLE 6 Summary of Surface Water Monitoring Results City of Durham Closed Landfill, Permit No. 32-01 Durham County, North Carolina DownstreamDetected Monitoring Constituent/Parameter Reporting Units Sample Date MDL SWS Reporting Limit Blanks Upstream Methylene Chloride ug/L 09/19/94 ----ND dry dry 9.5 -- (No Standard)ug/L 02/07/95 --5 ND ND ND ND -- ug/L 03/13/95 --5 ND ND ND ND -- ug/L 06/10/96 --5 ND ND ND ND -- ug/L 11/12/96 --5 ND ND ND ND -- ug/L 03/18/97 --5 ND ND ND ND -- ug/L 10/02/97 --5 10 ND ND ND -- ug/L 05/26/98 --5 ND ND ND ND -- ug/L 12/01/98 --5 ND ND ND ND -- ug/L 06/01/99 --5 ND dry dry ND ND ug/L 12/15/99 --5 ND ND ND ND ND ug/L 06/06/00 --5 ND dry dry dry ND ug/L 12/22/00 --5 ND dry dry dry ND ug/L 06/04/01 --5 ND ND ND ND ND ug/L 12/03/01 --5 ND dry dry ND ND ug/L 06/10/02 --5 ND dry dry ND ND ug/L 12/16/02 --5 ND ND ND ND ND ug/L 06/09/03 --5 ND ND ND ND ND ug/L 12/08/03 --5 ND ND ND ND ND ug/L 06/28/04 --5 ND ND ND ND ND ug/L 12/20/04 --2 ND ND ND ND ND ug/L 06/05/05 --2 ND ND ND ND ND ug/L 12/07/05 0.61 2 ND ND ND ND ND ug/L 06/05/06 --2 ND ND ND ND ND ug/L 12/05/06 --2 ND ND ND ND ND ug/L 05/30/07 0.088 1 ND dry dry ND ND ug/L 11/30/07 0.30 1 ND dry dry ND 0.49 J ug/L 05/19/08 0.30 1 ND ND ND ND ND ug/L 11/19/08 0.30 1 ND ND ND ND ND ug/L 06/30/09 0.53 1 ND dry dry ND ND ug/L 11/30/09 0.53 1 ND ND ND ND ND ug/L 05/20/10 0.070 1 ND ND ND ND ND ug/L 11/19/10 0.070 1 ND ND ND ND ND ug/L 05/19/11 0.14 1 ND ND ND ND ND ug/L 11/28/11 0.14 1 ND dry ND ND ND ug/L 05/23/12 --1 ND ND ND ND ND ug/L 11/26/12 0.23 1 ND ND ND ND ND ug/L 05/21/13 0.23 1 ND ND ND ND ND ug/L 11/06/13 0.23 1 ND dry ND ND ND ug/L 05/21/14 0.23 1 ND ND ND ND ND ug/L 11/24/14 0.23 1 ND ND ND ND ND ug/L 05/27/15 0.23 1 ND dry ND ND ND ug/L 11/17/15 0.23 1 2.5 B 2.6 B 2.4 B 2.5 B 2.6 J Toluene ug/L 09/19/94 ----ND dry dry ND -- SW Standard = 11 ug/L #ug/L 02/07/95 --5 ND ND ND ND -- ug/L 03/13/95 --5 ND ND ND ND -- ug/L 06/10/96 ----1.0 B 1.1 B 1.4 B 1.1 B -- ug/L 11/12/96 --1 ND 1.0 ND 1.7 -- ug/L 03/18/97 --1 ND ND ND ND -- ug/L 10/02/97 --1 ND ND ND ND -- ug/L 05/26/98 --1 ND ND ND ND -- ug/L 12/01/98 --1 ND ND ND ND -- ug/L 06/07/99 --5 ND dry dry ND ND ug/L 06/07/99 --5 ND ND ND ND ND ug/L 12/15/99 --5 ND ND ND ND ND ug/L 06/06/00 --5 ND dry dry dry ND ug/L 12/22/00 --5 ND dry dry dry ND ug/L 06/04/01 --5 ND ND ND ND ND ug/L 12/03/01 --5 ND dry dry ND ND ug/L 06/10/02 --5 ND dry dry ND ND ug/L 12/16/02 --5 ND ND ND ND ND ug/L 06/09/03 --5 ND ND ND ND ND ug/L 12/08/03 --5 ND ND ND ND ND ug/L 06/28/04 --5 ND ND ND ND ND ug/L 12/20/04 --1 ND ND ND ND ND ug/L 06/05/05 --1 ND ND ND ND ND ug/L 12/07/05 0.39 1 ND ND ND ND ND ug/L 06/05/06 --1 ND ND ND ND ND ug/L 12/05/06 --1 ND ND ND ND ND ug/L 05/30/07 0.15 1 ND dry dry ND 0.33 J ug/L 11/30/07 0.27 1 ND dry dry ND ND ug/L 05/19/08 0.27 1 ND ND ND ND 0.66 J ug/L 11/19/08 0.27 1 ND ND ND ND ND ug/L 06/30/09 0.27 1 ND dry dry ND ND ug/L 11/30/09 0.27 1 ND ND ND ND ND ug/L 05/20/10 0.053 1 ND ND ND ND ND ug/L 11/19/10 0.053 1 ND ND ND ND ND ug/L 05/19/11 0.85 1 ND ND ND ND ND ug/L 11/28/11 0.85 1 ND dry ND ND ND ug/L 05/23/12 --1 ND ND ND ND ND ug/L 11/26/12 0.14 1 ND 1.7 ND ND ND ug/L 05/21/13 0.14 1 ND ND ND ND ND ug/L 11/06/13 0.14 1 ND dry ND ND ND ug/L 05/21/14 0.14 1 ND ND ND ND ND ug/L 11/24/14 0.14 1 ND ND ND ND ND ug/L 05/27/15 0.14 1 ND dry ND ND ND ug/L 11/17/15 0.14 1 ND ND ND ND ND Notes:mg/L = milligrams per liter ug/L = micrograms per liter ND = Not detected at the stated reporting limit J = estimated concentration B = blank-qualified resultdry = no flowing water at time of sampling -- = no data MDL = Method Detection Limit Blanks = field, trip and method blanks Surface Water Standards = SW Standards are WS Standards (Ellerbee Creek is a WS-IV Classification) or Freshwater Aquatic Life Standards if no WS Standard exists. SWS Reporting Limit = NCPQL from 09/14/94 through 12/05/06 and NCSWSL for 05/30/07 and later Shaded = Concentrations above the applicable Surface Water Standards have been shaded. # = Freshwater Aquatic Life Standards * = Standard is a Narrative Standard ** = Standard is an Action Limit 1)Sample data from September 1994 through December 1998 compiled and reported by Malcolm Pirnie, Inc. 2)Sample data from June 1999 through December 2006 collected, compiled and reported by Weston Solutions, Inc. 3)Sample data from May 2007, November 2011 through current collected, compiled, and reported by Golder Associates NC, Inc. 4)Sample data collected from November 2007 to May 2011 collected, complied, and reported by S&ME.5)Laboratory data prior to November 2011 was not validated by Golder Associates. February 2016 Page 1 of 3 0739-604215.100 G:\Projects\City of Durham\GWMR\2015 November\Tables\City of Durham Tables November 2015.xlsx S-4 S-1 S-2 S-3 pH (field)S.U.05/26/98 -------- S.U.12/01/98 -------- S.U.06/07/99 6 dry dry 5.76 S.U.07/08/99 --dry dry -- S.U.12/13/99 6.47 6.3 6.44 6.58 S.U.06/06/00 6.54 dry dry dry S.U.12/11/00 7.48 dry dry dry S.U.06/04/01 7.08 6.92 6.94 7.11 S.U.12/03/01 6.59 dry dry 5.99 S.U.06/10/02 7.81 dry dry 8.13 S.U.12/16/02 7.28 7.66 6.81 7.2 S.U.06/09/03 7.14 7.58 --7.49 S.U.12/09/03 8.46 7.82 8.58 8.46 S.U.06/24/04 7.53 6.91 7.4 7.57 S.U.12/20/04 7.64 8 --7.66 S.U.06/08/05 7.5 7.69 7.31 7.59 S.U.12/07/05 7.2 7.3 7.14 7.47 S.U.06/05/06 7.58 7.24 dry 7.49 S.U.12/05/06 7.39 7.63 8.54 15.2 S.U.05/31/07 8.55 dry dry 8.64 S.U.11/30/07 --dry dry -- S.U.05/19/08 8.26 8.25 8.35 8.3 S.U.11/19/08 7.51 7.36 7.53 7.18 S.U.06/30/09 7.21 dry dry 7.36 S.U.11/30/09 8.21 7.80 7.75 8.30 S.U.05/20/10 7.61 7.83 6.67 7.73 S.U.11/19/10 --7.44 7.71 7.75 S.U.05/19/11 7.67 7.50 6.27 7.86 S.U.11/28/11 7.41 dry 6.57 6.73 S.U.05/23/12 6.68 7.31 6.25 6.21 S.U.11/26/12 6.55 6.38 6.44 6.86 S.U.05/21/13 6.62 7.30 6.37 6.73 S.U.11/06/13 7.24 dry 6.85 7.27 S.U.05/21/14 7.78 8.37 7.50 7.48 S.U.11/24/14 7.69 6.89 7.40 7.67 S.U.05/27/15 7.24 dry 6.59 7.02 S.U.11/18/15 6.73 6.86 7.07 6.41 Conductivity (field)µS/cm 05/26/98 -------- µS/cm 12/01/98 -------- µS/cm 06/07/99 198 dry dry 167 µS/cm 07/08/99 --dry dry -- µS/cm 12/13/99 257.4 272.8 137.8 134.5 µS/cm 06/06/00 202.3 dry dry dry µS/cm 12/11/00 277.5 dry dry dry µS/cm 06/04/01 372.6 184.8 166.9 393.4 µS/cm 12/03/01 445 dry dry 433.5 µS/cm 06/10/02 451 dry dry 250 µS/cm 12/16/02 123 60 110 341 µS/cm 06/09/03 186 177 --316 µS/cm 12/08/03 411.1 29.9 24.3 410 µS/cm 06/28/04 451 284 277 431 µS/cm 12/20/04 434 249 --424 µS/cm 06/08/05 336 197.1 190.5 345.8 µS/cm 12/08/05 250 129 140 176 µS/cm 06/05/06 391 161 dry 412 µS/cm 12/05/06 392 194 232 391 µS/cm 05/31/07 477 dry dry 485 µS/cm 11/30/07 --dry dry -- µS/cm 05/19/08 120 120 300 320 µS/cm 11/19/08 370 160 160 380 µS/cm 06/30/09 330 dry dry 310 µS/cm 11/30/09 400 190 200 400 µS/cm 05/20/10 287 99 159 267 µS/cm 11/19/10 --226 473 469 µS/cm 05/19/11 313 163 137 311 µS/cm 11/28/11 207 dry 251 465 µS/cm 05/23/12 263 116 78 240 µS/cm 11/26/12 421 201 208 428 µS/cm 05/21/13 259 76 147 259 µS/cm 11/06/13 345 dry 202 351 µS/cm 05/21/14 433 186 215 432 µS/cm 11/24/14 397 164 152 381 µS/cm 05/27/15 374 dry 347 394 µS/cm 11/18/15 450 138 298 446 TABLE 7 Summary of Surface Water Field Parameters City of Durham Closed Landfill, Permit No. 32-01 Durham County, North Carolina Upstream DownstreamDetected Monitoring Constituent/Parameter Reporting Units Sample Date February 2016 Page 2 of 3 0739-604215.100 G:\Projects\City of Durham\GWMR\2015 November\Tables\City of Durham Tables November 2015.xlsx S-4 S-1 S-2 S-3 TABLE 7 Summary of Surface Water Field Parameters City of Durham Closed Landfill, Permit No. 32-01 Durham County, North Carolina Upstream DownstreamDetected Monitoring Constituent/Parameter Reporting Units Sample Date Temperature (field)°C 05/26/98 -------- °C 12/01/98 -------- °C 06/07/99 17.2 dry dry 18 °C 07/08/99 --dry dry -- °C 12/13/99 18.1 20.1 17.8 19.2 °C 06/06/00 17.7 dry dry dry °C 12/11/00 8.9 dry dry dry °C 06/04/01 22.3 18.7 20.2 22.5 °C 12/03/01 19.5 dry dry 16.2 °C 06/10/02 23.49 dry dry 23.43 °C 12/16/02 11.19 3.52 4.3 10.53 °C 06/09/03 23.36 23.23 --23.08 °C 12/09/03 13.3 6.6 7.8 13.2 °C 06/24/04 22.92 21.22 23.4 22.84 °C 12/20/04 12.07 1.95 --9.37 °C 06/08/05 23.06 20.83 21.45 22.9 °C 12/07/05 12.26 9.29 8.98 10.33 °C 06/05/06 21.8 20.12 dry 21.75 °C 12/05/06 15.02 8.32 8 15.2 °C 05/31/07 24.28 dry dry 23.8 °C 11/30/07 --dry dry -- °C 05/19/08 19.0 19.0 22.6 21.7 °C 11/19/08 14.7 7.5 6 14.6 °C 06/30/09 20.4 dry dry 20.3 °C 11/30/09 18.4 17.3 17.6 18.6 °C 05/20/10 23.04 18.36 20.8 22.38 °C 11/19/10 --7.69 19.34 19.43 °C 05/19/11 21.01 15.61 18.00 21.49 °C 11/28/11 13.91 dry 15.05 19.17 °C 05/23/12 21.68 19.79 19.69 21.28 °C 11/26/12 17.45 5.84 8.90 17.86 °C 05/21/13 21.32 18.91 21.25 21.30 °C 05/21/13 20.9 dry 12.9 20.7 °C 05/21/14 20.0 23.9 17.9 20.0 °C 11/24/14 17.6 12.4 13.0 17.3 °C 05/27/15 22.2 dry 20.8 22.1 °C 11/18/15 19.3 10.7 14.5 19.3 Turbidity (field)NTU 05/26/98 -------- NTU 12/01/98 -------- NTU 06/07/99 12 dry dry -- NTU 07/08/99 --dry dry -- NTU 12/13/99 139.2 229 139.8 146.7 NTU 06/06/00 42.8 dry dry dry NTU 12/11/00 27.3 dry dry dry NTU 06/04/01 17.2 18.2 90 7.6 NTU 12/03/01 --dry dry 2.2 NTU 06/10/02 3.2 dry dry 2.6 NTU 12/16/02 6.4 9 10 5.8 NTU 06/09/03 34 65.2 --18 NTU 12/09/03 12 25 23 13 NTU 06/04/04 -------- NTU 12/20/04 -------- NTU 06/08/05 7.55 22.1 53 8.99 NTU 12/07/05 88 31 66 120 NTU 06/05/06 15.6 26.4 dry 17.9 NTU 12/05/06 4.44 20.6 27.5 8.31 NTU 05/31/07 0 dry dry 56.9 NTU 11/30/07 --dry dry -- NTU 05/19/08 -------- NTU 11/19/08 -------- NTU 06/30/09 --dry dry -- NTU 11/30/09 -------- NTU 05/20/10 11.2 38.6 64.6 26 NTU 11/19/10 --10.5 0.3 0 NTU 05/19/11 0.7 13.5 80.2 0.1 NTU 11/28/11 26.0 dry 30.9 3.37 NTU 05/23/12 93.2 97.1 179 91.4 NTU 11/26/12 3.61 8.90 18.9 7.60 NTU 05/21/13 35.8 56.3 92.7 44.5 NTU 11/06/13 3.42 dry 21.3 3.12 NTU 05/21/14 10.1 38.4 115 11.4 NTU 11/24/14 10.3 36.9 21.4 10.9 NTU 05/27/15 10.6 dry 175 13.6 NTU 11/18/15 2.63 9.84 21.7 2.45 February 2016 Page 3 of 3 0739-604215.100 G:\Projects\City of Durham\GWMR\2015 November\Tables\City of Durham Tables November 2015.xlsx S-4 S-1 S-2 S-3 TABLE 7 Summary of Surface Water Field Parameters City of Durham Closed Landfill, Permit No. 32-01 Durham County, North Carolina Upstream DownstreamDetected Monitoring Constituent/Parameter Reporting Units Sample Date Oxidation Reduction Potential mV 05/31/07 70 dry dry 45 (field)mV 11/30/07 --dry dry -- mV 05/19/08 -------- mV 11/19/08 -------- mV 06/30/09 --dry dry -- mV 11/30/09 -------- mV 05/20/10 91.6 52.4 53.4 7.65 mV 11/19/10 ---72 2.6 71.5 mV 05/19/11 31 -122 5.1 42 mV 11/28/11 7.2 dry 52.8 106.3 mV 05/23/12 38.7 21.1 12.8 105.3 mV 11/26/12 -26.1 -20.2 4.3 -34.9 mV 05/21/13 52.4 49.2 45.7 54.0 mV 11/06/13 122.8 dry 56.3 104.2 mV 05/21/14 72.1 140.1 72.2 58.7 mV 11/24/14 29.1 71.7 60.9 48.1 mV 05/27/15 86.5 dry 50.3 92.6 mV 11/18/15 252.1 180.7 115.4 247.8 Dissolved Oxygen (field)mg/L 12/01/01 5.9 dry dry 4.7 mg/L 06/10/02 9.1 dry dry 13.3 mg/L 12/16/02 11.64 10.81 10.51 11.57 mg/L 06/09/03 10.16 7.8 --10.04 mg/L 12/08/03 10.5 12.6 12.5 10.5 mg/L 06/24/04 8.01 4.53 7.4 7.83 mg/L 12/20/04 9.93 12.2 --10.01 mg/L 06/08/05 -------- mg/L 06/05/06 6.59 5.45 dry 6.74 mg/L 12/05/06 8.25 4.46 9.89 7.24 mg/L 05/31/07 8.1 dry dry 7.7 mg/L 11/30/07 --dry dry -- mg/L 05/19/08 -------- mg/L 11/19/08 -------- mg/L 06/30/09 --dry dry -- mg/L 11/30/09 -------- mg/L 05/20/10 8.08 8.53 7.84 7.85 mg/L 11/19/10 --7.57 8.62 10.04 mg/L 05/19/11 0.56 4.73 0.1 8.8 mg/L 11/28/11 7.34 dry 8.10 8.87 mg/L 05/23/12 7.09 7.57 8.68 6.72 mg/L 11/26/12 9.27 5.05 9.04 9.94 mg/L 05/21/13 8.38 8.60 7.62 8.10 mg/L 11/06/13 7.84 dry 6.83 6.77 mg/L 05/21/14 8.04 7.12 7.88 6.93 mg/L 11/24/14 7.41 7.00 8.35 8.22 mg/L 05/27/15 6.75 dry 2.72 6.72 mg/L 11/18/15 7.76 6.24 8.12 8.43 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 DRAWING 300 31 0 3 2 0 3 3 0 340 330 320 310 30 0 290 280 29 0 3 4 0 2 8 0 PZ-4R 316.68 MW-2 MW-3R 281.50 279.83 MW-5 MW-3 MW-4R MW-8 290.24 303.40 292.02 NM SW-1 SW-2 MW-9R 346.83 MW-10 275.61 NES-3 275.31 MW-6R 278.41SW-4 PZ-2R 321.56 PZ-3 318.47 MW-7R 301.16 PZ-6 NM CONSULTANT DESIGN PREPARED REVIEW APPROVED YYYY-MM-DD TITLE PROJECT No.Rev. PROJECTCLIENT Pa t h : \\ g r e e n s b o r o \ C A D \ _ 2 0 0 7 \ 0 7 3 9 6 0 4 2 - C i t y o f D u r h a m \ P R O D U C T I O N \ _ D - 2 0 1 5 G W \ | F i l e N a m e : 07 3 9 6 0 4 2 D 0 0 2 . d w g IF T H I S M E A S U R E M E N T D O E S N O T M A T C H W H A T I S S H O W N , T H E S H E E T S I Z E H A S B E E N M O D I F I E D F R O M : A N S I D 0 1 i n 0739604215 PHASE 100 DRAWING 10 2016-01-05 BSD ACS DYR RPK CITY OF DURHAM CLOSED LANDFILL PERMIT #32-01 DURHAM, NORTH CAROLINA CITY OF DURHAM GROUNDWATER CONTOUR MAP NOVEMBER 17-18, 2015 EXISTING 10' GROUND SURFACE CONTOUR EXISTING 2' GROUND SURFACE CONTOUR APPROXIMATE LIMITS OF WASTE EXISTING ROAD GROUNDWATER ELEVATION 10' CONTOURS GROUNDWATER FLOW ARROW PIEZOMETER LOCATION AND GROUNDWATER ELEVATION SURFACE WATER MONITORING POINT COMPLIANCE MONITORING WELL AND WATER LEVEL ELEVATION NON-COMPLAINACE MONITORING WELL AND WATER LEVEL ELEVATION NOT MEASURED LEGEND NOTES 1) TOPOGRAPHIC CONTOUR INTERVAL = 2 FEET 2) GROUNDWATER SURFACE CONTOUR INTERVAL = 10 FEET 3) GROUNDWATER CONTOURS BASED ON LINEAR INTERPOLATION BETWEEN AND EXTRAPOLATION FROM KNOWN DATA, TOPOGRAPHIC CONTOURS, AND KNOWN FIELD CONDITIONS. THEREFORE, GROUNDWATER CONTOURS MAY NOT REFLECT ACTUAL CONDITIONS. 4) GROUNDWATER ELEVATIONS MEASURED ON NOVEMBER 17-18, 2015. 5) TOC ELEVATIONS WERE SURVEYED BY MULKEY ENGINEERING IN JANUARY 2001. TOC ELEVATIONS WERE SURVEYED FOR WELLS PZ-2R, PZ-4R, MW-6R, MW-7R AND MW-9R IN 2005 BY MULKEY ENGINEERING. 6) MW-10 SURVEYED BY BATEMAN CIVIL SURVEY. 7) MW-3R HAS NOT BEEN SURVEYED AND WAS NOT USED IN THE INTERPRETATION OF CONTOUR LINES. 8) WELLS MW-1, MW-4, MW-6, MW-7, MW-9, PZ-1, PZ-2 AND PZ-4 HAVE BEEN ABANDONED, DAMAGED OR DESTROYED AND ARE NOT SHOWN ON THIS MAP. 9) BASE MAP TOPOGRAPHIC MAP PROVIDED BY WESTON SOLUTIONS, INC. (FROM THEIR GROUNDWATER REPORT FOR THE DECEMBER 2006 SAMPLING EVENT). 300 NM 278.41 279.83 321.56 PZ-2R MW-6R SW-1 MW-2 SITE LOCATION 0 FEET 200 400 SCALE APPENDIX A Groundwater and Surface Water Sampling Logs APPENDIX B November 2015 Groundwater Certificate-of-Analysis, Chain of Custody Form(s), and Laboratory Data Review(s) APPENDIX C Statistical Evaluation Summary Table and Worksheets February 2016 Page 1 of 1 0739-604215.100 G:\Projects\City of Durham\GWMR\2015 November\Stats\Stats Summary Table November 2015.xls NC 2L GPS Barium ug/L 100 700 --MW-5 1760 2771 Not SSI Notes: 1. Statistical worksheets are provided as Appendix C. 2. ug/L = micrograms per liter 3. NC 2L = North Carolina 2L Groundwater Standard 4. GPS = North Carolina Solid Waste Section Groundwater Protection Standard 5. NA = not applicable 6. SSI = statistically significant increase 7. SWS = Solid Waste Section Downgradient Monitoring Well Statistical Determination 8. North Carolina Appendix I Inorganic constituents detected above their respective Solid Waste Section Reporting Limits and Groundwater Standards in samples from downgradient monitoring wells were statistically evaluated. Summary of Statistical Analysis City of Durham Closed Landfill, Permit No. 32-01 Durham County, North Carolina November 2015 Detected Monitoring Constituent/ Analytes Reporting Units SWS Reporting Limit Upper Prediction Limit Groundwater Standard Constituent/ Analyte Concentration Golder Associates NC, Inc. 5B Oak Branch Drive Greensboro, NC 27407 USA Tel: (336) 852-4903 Fax: (336) 852-4904 Associates and the GA globe design are trademarks of Golder Associates Corporation