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Table 2 <br /> HISTORIC FLUID LEVELS AND SELECTED ANALYTICAL RESULTS <br /> December 1992 Through October 2005 <br /> Former BP Oil 11195 <br /> Date TOC Depth to LPH Ground- Change TPH-G TPPH Benzene Toluene Ethyl- Total MTBE MTBE Comments <br /> Sampled Elevation Water Thickness water in 8260B benzene Xylenes 8021B 8260B <br /> Elevation Elevation <br /> (feet) (feet) (feet) (feet) (feet) (µg/1) (µg11) (ug/1) (µg/1) (41) (µg/1) (µg/1) (µg/1) <br /> CC-WS (Screen Interval in feet:DNA) <br /> 02/09/01 -- -- -- -- -- ND -- ND ND ND 1.22 253 -- <br /> 05/11/01 -- -- -- -- -- ND -- ND 0.811 ND 0.816 451 367 No Purge <br /> 08/10/01 -- 10.31 -- -- -- ND<50 -- ND<0.50 0.86 ND<0.50 0.76 94 94 No Purge <br /> 11/21/01 -- 10.86 -- -- -- ND<50 -- ND<0.50 ND<0.50 ND<0.50 ND<0.50 5.1 5 No Purge <br /> 02/07/02 -- -- -- -- __ __ __ __ _ Inaccessible Car Parked <br /> 05/23/02 -- 9.78 -- -- -- ND<100 ND<1.0 ND<I.0 ND<1.0 ND<2.0 -- 230 No Purge <br /> 08/15/02 -- 10.24 -- -- -- -- ND<250 ND<2.5 ND<2.5 ND<2.5 ND<5.0 -- 210 No Purge <br /> 11/18/02 -- 10.66 -- -- -- -- ND<50 ND<0.50 ND<0.50 ND<0.50 ND<1.0 -- 160 No Purge <br /> 02/13/03 -- 9.86 -- -- -- -- ND<50 ND<0.50 ND<0.50 ND<0.50 ND<1.0 -- 20 <br /> 05/12/03 -- 10.07 -- -- -- -- ND<50 ND<0.50 ND<0.50 ND<0.50 ND<1.0 150 No Purge <br /> 08/28/03 -- -- -- -- -- .. __ __ __ _. __ __ Inaccessible <br /> 11/24/03 -- 10.76 0.00 -- -- 81 ND<0.50 ND<0.50 ND<0.50 ND<1.0 -- 72 <br /> 02/26/04 -- 10.00 0.00 -- -- -- ND<50 ND<0.50 ND<0.50 ND<0.50 ND<1.0 -- 53 <br /> 05/21/04 -- 10.62 0.00 -- -- ND<50 ND<0.50 ND<0.50 ND<0.50 ND<1.0 -- 22 <br /> 08/26/04 -- -- __ __ __ __ __ __ __ __ car parked on well <br /> 11/29/04 -- -- -- -- -- -- -- -- -- -- -- -- __ Dry well <br /> 02/15/05 -- 10.42 0.00 -- -- -- ND<50 ND<0.50 ND<0.50 ND<0.50 ND<1.0 -- 6.6 <br /> 05/25/05 -- 9.97 0.00 -- -- ND<50 ND<0.50 ND<0.50 ND<0.50 ND<1.0 -- I1 <br /> 08/31/05 14.20 -- -- -- -. __ __ ._ __ __ __ __ __ Car over well <br /> 10/25/05 14.20 10.83 0.00 3.37 -- -- ND<50 ND<0.50 ND<0.50 ND<0-50 ND<1.0 -- ND<0.50 <br /> MW-1 (Screen Interval in feet:8.0-23.0) <br /> 12/21/92 9.10 11.18 0.00 _2.05 __ ND -- ND ND ND ND -- -- <br /> 05/17/93 9.10 8.41 0.00 0.69 2.77 ND -- ND ND 0.6 2.1 -- -- <br /> 09/15/93 9.10 9.78 0.00 -0.68 -1.37 ND -- ND ND ND ND -- -- <br /> 11195 Page I of 27 <br />