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R <br /> Table A: Historical Groundwater Measurements and Analytical Results <br /> DEPTH TO GROUNDWATER <br /> SAMPLE DATE GROUNDWATER ELEVATION ETIIYL- <br /> LOCATION SAMPLED (Feet hgs) (Feet msl) TPII-K TPH-A10 TPII-D TPII-G BENZENE TOLUENE BENZENE XYLENES MTBE I DIPS I ETBE TAME TBA 1,2-DCA EDB Naphthalene <br /> Method 8015M 80151VI 8015M 8015M 8021B 8021B 8021B 8021E 8260B 8260B 8260E 8260B 8260B 8260B 9260B 8260B <br /> top of casing t <br /> elevation MCI, None None 1561tg/L- 5 gg/L 2 1.0 1&L F 150 pg/L 300 pg/L 1,750 ug/L 13 uglL None None .Ione 121tgIL 0.5 pg/L 0.05 pg/L <br /> A4W-6 12/19/03 48.17 -29.45 NA NA NA 7,800 2,100 < 50 < 50 820 < 5 < 5 < 5 < 5 < 50 < 5 NA NA <br /> 18.72 03/24/04 46.77 -28.05 NA NA NA 9,300 1,600 < 20 < 20 540 < 0.5 < 0.5 < 0.5 < 0.5 < 5 < 0.5 NA NA <br /> 06/09/04 46.90 -28.18 NA NA NA 5,600 630 < 20 < 20 81 < 0,5 < 0.5 < 0.5 < 0.5 < 5 < 0.5 NA NA <br /> 08/23/04 48.11 -29.39 NA NA NA 3,400 180 < 10 < 10 29 < 5 < 5 < 5 < 5 < 50 < 5 NA NA <br /> 12/29/04 1 48.65 -29.93 NA NA NA 3,800 40 < 10 < 10 < 20 < 0.5 < 0.5 < 0.5 < 0.5 < 5 < 0.5 NA NA <br /> 03/23/05 47.50 -28.78 NA NA NA 1,400 16 < U.5 1.1 6 < 0.5 < 0.5 < 0.5 < 0.5 < 5 < 0.5 NA NA <br /> 06/29/0-5 46.00 -27.28 NA NA NA 760 18.1 < 0.5 1.2 3.7 < 0.5 < 1 < 1 < 1 < 5 NA NA NA <br /> 09/21/05 46.97 -28.25 NA NA NA 602 10.8 < 0.5 < 0.5 3.3 < 0.5 < l < I < 1 <5 NA NA NA <br /> 12/20/05 41.62 -28.90 NA NA NA 440 18.7 < 0.5 0.7 4.7 < 0.5 < I < I < 1 37 < I < 0.5 NA <br /> 03/15/06 45.45 -26.73 NA NA NA 386 10.6 < 0.5 < 0.5 4.4 < 0.5 < I < I < I < 5 < 1 0.6 NA <br /> 06/21/06 42.42 -23.70 NA NA NA 233 12.6 0.8 0.7 < I < 0.5 < I < I < t < 5 < I < 0.5 NA <br /> 09/20/06 42.43 -23.71 NA NA NA 269 < 0.5 < 0.5 0.9 < I < 0.5 < 1 < 1 < l 27 < 1 < 0.5 NA <br /> 12/12/06 42.27 -23.55 NA NA NA 229 0.8 0.8 0.8 < I < 0.5 < 1 < I < I < 5 < 1 NA NA <br /> 03/20/07 41.10 -22.38 NA NA NA 177 < 0.5 0.6 0.5 < I < 0.5 < I < 1 < I < 5 < l < 0.5 NA <br /> 06/11/07 40.66 -21.94 NA NA NA 147 5.2 < 0.5 < 0.5 < I < 0.5 < 1 < I < 1 31 < t NA NA <br /> 09/25/07 41.32 -22.60 NANA NA 148 < 0.5 < 0.5 < 0.5 < I < 0.5 < 1 < I < I < 5 < I < 0.5 NA <br /> 12/04/07 41.50 -22.78 NA NA NA 128 0.5 < 0.5 < 0.5 < I < 0.5 < I < I < 1 < 5 < I < 0.5 NA <br /> 03/31/08 39.75 -21.03 NA NA NA 106 3.8 < 0.5 < 0.5 < I < 0.5 < I < 1 < 1 < 5 < 1 < 0.5 NA <br /> 06/09/08 39.72 -21.00 NA NA NA 88.6 3.2 < 0.5 < 0.5 < I < 0.5 < i < 1 < l < 5 < 1 < 0.5 NA <br /> 09/05/08 40.58 -21.86 NA NA NA 169 < 0.5 < 0.5 < 0.5 < I < 0.5 < I < 1 < l < 5 < 1 < 0.5 NA <br /> 11/20/08 41.46 -22.74 NA NA NA 71.5 1.9 < 0.5 < 0.5 < 1 < 0.5 < I < 1 < l < 5 < I < 0.5 INA <br /> 02/24/09 41.03 -22.31 NA NA NA 65.8 < 0.5 < 0,5 < 0.5 < I < 0.5 < I < l < I < 5 < 1 < 0.5 NA <br /> 05/13/09 40.65 -21.93 NOT SAMPLED-IVELL SAMPLED ANNUALLY <br /> 10/20/09 42.35 -23.63 NOT SAMPLED-WELL SAMPLED ANNUALLY <br /> 05/14/10 40.61 -21.89 NA NA NA < 50 < 0.5 < 0,5 < 0.5 < l < 0.5 NA NA NA NA NA NA NA <br /> 04/29/11 38.45 -19.73 NA NA NA < 50 < 0.5 < 0.5 < 0.5 < I < 0.5 NA NA NA NA NA NA NA <br /> 06/17/11 37.89 -19.17 NA NA NA < 50 < 0.5 < 0.5 < 0.5 < I < 0.5 NA NA NA NA NA NA NA <br /> 11/03/11 37.65 -18.93 NOT SAMPLED-WELL SAMPLED ANNUALLY NA <br /> 04/17/12 36.72 -18.00 NA NA NA < 50 < 0.5 < 0.5 < 0.5 < 1 < 0.5 NA NA NA NA NA NA NA <br /> 09128/12 36.88 -18.16 NOT SAMPLED-WELL SAMPLED ANNUALLY <br /> 03/20/13 35.80 -17.08 NA NA NA < 50 < 0.5 < 0.5 < 0.5 < 1 < 0.5 NA NA NA NA NA NA NA <br /> 12/09/13 36.99 -18.27 NOT SAMPLED-WELL SAMPLED ANNUALLY NA <br /> 04/04/14 36.33 -17.61 NA NA NA < 50 < 0.5 < 0.5 < 0.5 < 1 < 0.5 NA NA NA NA NA NA NA <br /> 11/07/14 39.11 -19.39 NOT SAMPLED-WELL SAMPLED ANNUALLY NA <br /> 05/15/15 37.68 -18.96 NA NA NA < 5U I < 0.5 1 < 0.5 1 < 0.5 < I < 0,5 NA NA NA NA NA NA NA <br /> 11/16/15 40.22 -21.50 NOT SAMPLED-1VELL SAMPLED ANNUALLY NA <br /> XAProject15000_prj15960 SJC UST RFQ15960C County of San Joaquin -SJC Public Works15960M5960C5A MonitoringlReports12H2015120151116_5960C5A Historic Data 2H2O15.xlsxTable A 6 of 8 <br />