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Table 2 <br /> HISTORIC FLUID LEVELS AND SELECTED ANALYTICAL RESULTS <br /> December 1992 Through November 2004 <br /> Former BF 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) (µg/1) (µg/1) (41) (µg11) (µg/1) (µg11) <br /> MW-13 continued <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 -- -- <br /> -- -- -- -- -- -- - Inaccessible <br /> 02/26/04 15.23 -- __ __ <br /> -- -- -- -- -- -- -- -- Inaccessible ' <br /> 05/21/04 15.23 -- -- __ _ __ __ Inaccessible <br /> 08/26/04 15.02 12.42 0.00 2.60 -- -- 86 ND<0.50 ND<0.50 ND<0.50 ND<1.0 73 <br /> 11/29/04 15.02 12.81 0.00 2.21 -0.39 -- ND<50 ND<0.50 ND<0.50 ND<0.50 ND<1.0 -- 9.8 <br /> MW-14 (Screen Interval in feet: 6.0-21.0) <br /> 06/18/02 14.29 10.26 0.00 4.03 -- -- ND<2500 ND<25 ND<25 ND<25 ND<50 3900 <br /> 08/15/02 14.29 30.39 0.00 3.90 -0.13 -- 4200 ND<25 ND<25 ND<25 ND<50 - 2400 <br /> 11/18/02 14.29 10.76 0.00 3.53 -0.37 -- ND<2500 ND<25 ND<25 ND<25 ND<50 - 3100 <br /> 02/13/03 14.29 9.97 0.00 4.32 0.79 -- ND<500 ND<5.0 ND<5.0 ND<5.0 ND<10 -- 1300 <br /> 05/12/03 14.29 10.17 0.00 4.12 -- ND<5000 ND<50 ND<50 ND<50 ND<100 -- 2200 <br /> 08/28/03 14.29 11.09 0.00 3.20 -0.92 -- 1900 ND<10 ND<10 ND<10 ND<20 -- 1400 <br /> 11/24/03 14.29 10.83 0.00 3.46 0.26 -- 730 ND<5.0 ND<5.0 ND<5.0 ND<10 -- 870 <br /> 02/26/04 14.29 10.03 0.00 4.26 0.80 -- ND<500 ND<5.0 ND<5.0 ND<5.0 ND<10 -- 280 <br /> 05/21/04 14.29 10.89 0.00 3.40 -0.86 1400 ND<10 ND<10 ND<I0 ND<20 -- 2400 <br /> 08/26/04 14.29 11.53 0.00 2.76 -0.64 -- 460 ND<2.5 ND<2.5 ND<2.5 ND<5.0 - 550 <br /> 11/29/04 14.29 11.88 0.00 2.41 -0.35 -- -- _ __ unable to sample-well bent <br /> MW-15 (Screen Interval in feet:5.0-20.0) <br /> 06/18/02 14.94 10.97 0.00 3.97 __ ND<250 ND<2.5 ND<2.5 ND<2.5 ND<5.0 - 620 <br /> 08/15/02 14.94 11.06 0.00 3.88 -0.09 -- ND<500 ND<5.0 ND<5.0 ND<5.0 ND<10 -- 490 <br /> 11/18/02 14.94 11.47 0.00 3.47 -0.41 -- ND<250 ND<2.5 ND<2.5 ND<2.5 ND<5.0 -- 270 <br /> 11195 Page 20 of 23 <br />