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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 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) (µg/1) 4Lg11) (µg/1) (µg/1) (µg11) (µall) (µg11) <br /> MW-9 continued <br /> 08/28/03 13.29 9.94 0.00 3.35 -0.99 150 ND<0.50 ND<0.50 ND<0.50 ND<1.0 180 <br /> 11/24/03 13.29 9.75 0.00 3.54 0.19 ND<250 ND<2,5 ND<2.5 ND<2.5 ND<5.0 -- 160 <br /> 02/26/04 13.29 9.01 0.00 4.28 0.74 -- 87 ND<0.50 ND<0.50 ND<0.50 ND<1.0 -- 90 <br /> 05/21/04 13.29 9.60 0,00 3.69 -0.59 -- 66 ND<0.50 ND<0.50 ND<0,50 ND<1.0 -- 93 <br /> 08/26/04 13.29 10.I9 0.00 3.10 -0.59 -- 130 ND<0.50 ND<0.50 ND<0.50 ND<1.0 -- 110 <br /> MW-10 (Screen Interval in feet:4.0-14.0) <br /> 09/03/98 8.12 7.76 0.00 0.36 -- 210 -- - -- -- 1.03 210 -- <br /> 12/23/98 8.12 8.22 0.00 -0.10 -- -- - __ _- ND <br /> 12/31/98 8.12 8.25 0.00 -0.13 -0.03 470 -- -- -- -- 490 -- <br /> 03/22/99 8.12 7.14 0.00 0.98 1.11 1800 - -- - 1900 -- <br /> 05/20/99 8.12 7.14 0.00 0.98 0.00 -- -- -- -- - -- -- 3.52 <br /> 08/11/99 8.12 8.41 0.00 -0,29 -L27 -- -- - -- -- 919 1300 <br /> 11/19/99 8.12 8.72 0,00 -0.60 -- -- - 17 - -- 9400 14000 <br /> 02/22/00 8.12 6.39 0.00 1.73 2.33 -- -- -- -- -- 11.7 13.6 <br /> 05/05/00 8.12 6.83 0.00 1.29 _0.44 __ __ __ __ __ -- <br /> 08/28/00 8.12 8.23 0,00 -0.11 -1.40 - -- -- -- -- -- 1760 2120 <br /> 11/13/00 8.12 8.59 0.00 -0.47 -0,36 - -- -- -- -- 44400 37000 <br /> 02/09/01 8.12 8.37 0.00 -0.25 0.22 - - -- -- -- 43400 37100 <br /> 05/11/01 8,12 7.78 0.00 0.34 0.59 - -- __ _ __ <br /> 7100 6530 <br /> 08/10/01 8.12 8.75 0.00 -0.63 -0.97 ND<1200 - NIX 12 ND<12 ND<12 ND<12 21000 21000 <br /> 11/21/01 8.12 9.28 0.00 -1.16 -0.53 ND<1200 -- ND<12 ND<12 ND<12 ND<12 22000 22000 <br /> 02/07/02 8.12 7.26 0.00 0.86 2.02 ND<50 -- ND<0.50 ND<0.50 ND<0.50 ND<0.50 4000 4900 <br /> 05/23/02 8.12 8.25 0.00 -0.13 -0.99 -- ND<2500 ND<25 ND<25 ND<25 ND<50 -- 4000 <br /> 08/15/02 12.01 8.70 0.00 3.31 -- -- 520 ND<5.0 ND<5,0 ND<5.0 ND<10 -- 2000 <br /> 11195 Page 15 of 22 <br />