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Table 2 <br /> HISTORIC FLUID LEVELS AND SELECTED ANALYTICAL RESULTS <br /> December 1992 Through August 2004 <br /> Former BP Oil 11195 <br /> Date TOC Depth to LPH Ground- Change TPH-G TPPH Benzene Toluene Ethyl- Total MTBE MT13E Comments <br /> Sampled Elevation Water Thickness water in 8260B benzene Xylenes 8021B 8260B <br /> Elevation Elevation <br /> (feet) (feet) (feet) (feet) (feet) (µg/1) (µg/1) (µg/1) (µg11) (µg/1) (µg/1) (µg/1) (41) <br /> MW-12 continued <br /> 05111/01 8.37 9.30 0.00 -0.93 -0.69 -- -- -- 0.536 -- - -- - <br /> 08/10/01 8.37 8.84 0.00 -0.47 0.46 ND<50 ND<0.50 0.76 ND<0.50 ND<0.50 ND<5.0 ND<2.0 <br /> 11/21/01 8.37 9.50 0.00 -1.13 -0.66 ND<50 -- ND<0.50 ND<0.50 ND<0.50 ND<0.50 ND<5.0 ND<1.0 <br /> 02/07/02 8.37 7.41 0.00 0.96 2.09 ND<50 -- ND<0.50 ND<0.50 ND<0.50 ND<0.50 ND<2.5 ND<2.0 <br /> 05/23/02 8.37 8.28 0.00 0.09 -0.67 -- ND<50 ND<0.50 ND<0.50 ND<0.50 ND<1.0 -- ND<0.5 <br /> 08/15/02 13.07 8.67 0.00 4.40 -- -- ND<50 ND<0.50 ND<0.50 ND<0.50 ND<1.0 -- ND<2.0 <br /> 11/18/02 13.07 9.24 0.00 3.83 -0.57 -- ND<50 ND<0.50 ND<0.50 ND<0.50 ND<1.0 -- ND<2.0 <br /> 02/13/03 13.07 8.40 0.00 4.67 0.84 -- ND<50 ND<0.50 ND<0.50 ND<0.50 ND<1.0 __ ND<2.0 <br /> 05/12/03 13.07 8.61 0.00 4.46 -- -- ND<50 ND<0.50 ND<0.50 ND<0.50 ND<1.0 - ND<2.0 <br /> 08/28/03 13.07 9.53 0.00 3.54 -0.92 -- 96 ND<0.50 ND<0.50 ND<0.50 ND<1.0 -- ND<2.0 <br /> 11/24/03 13.07 9.17 0.00 3.90 0.36 -- ND<50 ND<0.50 ND<0.50 ND<0.50 ND<1.0 -- ND<2.0 <br /> 02/26/04 13.07 8.31 0.00 4.76 0.86 -- ND<50 ND<0.50 ND<0.50 ND<0.50 ND<1.0 - ND<2.0 <br /> 05/21/04 13.07 9.09 0.00 3.98 -0.78 - ND<50 ND<0.50 ND<0.50 ND<0.50 ND<1.0 -- ND<0.50 <br /> 08/26/04 13.07 9.60 0.00 3.47 -0.51 ND<50 ND<0.50 ND<0.50 ND<0.50 ND<1.0 -- ND<0.50 <br /> MW-13 (Screen Interval in feet: 6.0-21.0) <br /> 06/18/02 15.23 11.21 0.00 4.02 -- -- ND<50 ND<0.50 ND<0.50 ND<0.50 ND<1.0 -- 74 <br /> 08/15/02 15.23 11.26 0.00 3.95 -0.07 -- 110 ND<1.0 ND<1.0 ND<1.0 ND<2,0 -- 140 <br /> 11/18/02 15.23 11.69 0.00 3.54 -0.41 -- 55 ND<0.50 ND<0.50 ND<0.50 ND<1.0 -- 130 <br /> 02/13/03 15.23 10.86 0.00 4.37 0.83 -- ND<50 ND<0.50 ND<0.50 ND<0.50 ND<1.0 -- 57 <br /> 05/12/03 15.23 11.06 0.00 4.17 -- - 93 ND<0.50 ND<0.50 ND<0.50 ND<1.0 -- 64 <br /> 08/28/03 15.23 -- -- -- -- -- -- -- -- -- Inaccessible <br /> 11/24/03 15.23 -- -- -- -- -- - Inaccessible <br /> 02/26/04 15.23 -- -- -- -- Inaccessible <br /> 05/21/04 15.23 - -- -- -- Inaccessible <br /> 11195 Page 18 of 22 <br />