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Table 2 HISTORIC FLUID LEVELS AND SELECTED ANALYTICAL RESULTS December 1992 Through October 2005 Former BP Oil 11195 Date TOC Depth to LPH Ground- Change TPH-G TPPH Benzene Toluene Ethyl- Total MTBE MTBE Comments Sampled Elevation Water Thickness water in 8260B benzene Xylenes 8021B 8260E Elevation Elevation (feet) (feet) (feet) (feet) (feet) (µg11) (µg/1) (µg/1) (µg11) (µg11) (µg/1) (µg/1) (µg11) MW-19 continued 08/26/04 12.84 10.60 0.00 2.24 -0.68 -- 310 ND<1.0 ND<1.0 ND<1.0 ND<2.0 -- 330 11/29/04 12.84 10.94 0.00 1.90 -0.34 -- 250 ND<1.0 ND<1.0 ND<1.0 ND<2.0 -- 320 02/15/05 12.84 9.85 0.00 2.99 1.09 -- ND<50 ND<0.50 ND<0.50 ND<0.50 ND<1.0 290 05/25/05 12.84 9.28 0.00 3.56 0.57 -- ND<50 ND<0.50 ND<0.50 ND<0.50 ND<1.0 -- 1.9 08/31/05 12.84 9.53 0.00 3.31 -0.25 -- ND<50 ND<0.50 ND<0.50 ND<0.50 ND<1.0 -- 5.3 10/25/05 12.84 10.02 0.00 2.82 -0.49 -- ND<50 ND<0.50 ND<0.50 ND<0.50 ND<1.0 -- 26 MW-20 (Screen Interval in feet:5.0-20.0) 02/13/03 12.54 8.71 0.00 3.83 -- -- ND<50 ND<0.50 ND<0.50 ND<0.50 ND<1.0 -- ND<2.0 05/12/03 12.54 8.89 0.00 3.65 -0.18 -- ND<50 ND<0.50 ND<0.50 ND<0.50 ND<1.0 -- ND<2.0 08/28/03 12.54 9.75 0.00 2.79 -0.86 -- ND<50 ND<0.50 ND<0.50 ND<0.50 ND<1.0 -- ND<2.0 11/24/03 12.54 9.56 0.00 2.98 0.19 ND<50 ND<0.50 ND<0.50 ND<0.50 ND<1.0 -- ND<2.0 02/26/04 12.54 9.02 0.00 3.52 0.54 ND<50 ND<0.50 ND<0.50 ND<0.50 ND<1.0 -- ND<2.0 05/21/04 12.54 9.79 0.00 2.75 -0.77 -- ND<50 ND<0.50 ND<0.50 ND<0.50 ND<1.0 -- 3.7 08/26/04 12.54 10.55 0.00 1.99 -0.76 -- ND<50 ND<0.50 ND<0.50 ND<0.50 ND<l.0 -- 1.7 11/29/04 12.54 10.89 0.00 1.65 -0.34 -- ND<50 ND<0.50 ND<0.50 ND<0.50 ND<1.0 -- 1.4 02/15/05 12.54 9.68 0.00 2.86 1.21 -- ND<50 ND<0.50 ND<0.50 ND<0.50 ND<1.0 -- 3.9 05/25/05 12.54 9.09 0.00 3.45 0.59 -- ND<50 ND<0.50 ND<0.50 ND<0.50 ND<1.0 -- 0.59 08/31/05 12.54 9.25 0.00 3.29 -0.16 -- ND<50 ND<0.50 ND<0.50 ND<0.50 ND<I.0 -- ND<0.50 10/25/05 12.54 9.84 0.00 2.70 -0.59 -- ND<50 ND<0.50 ND<0.50 ND<0.50 ND<1.0 - 1.8 MW-21 (Screen Interval in feet:5.0-20.0) 02/13/03 12.80 8.05 0.00 4.75 -- -- ND<50 ND<0.50 ND<0.50 ND<0.50 NIM.0 -- ND<2.0 05/12/03 12.80 9.21 0.00 3.59 -1.16 -- ND<50 ND<0.50 ND<0.50 ND<0.50 ND<1.0 -- ND<2.0 08/28/03 12.80 10.08 0.00 2.72 -0.87 -- 1100 ND<0.50 ND<0.50 ND<0.50 ND<1.0 -- ND<2.0 11/24/03 12.80 9.93 0.00 2.87 0.15 -- ND<50 ND<0.50 ND<0.50 ND<0.50 ND<1.0 -- ND<2.0 11195 Page 26 of 27