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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 802IB 8260B Elevation Elevation (feet) (feet) (feet) (feet) (feet) (µg/1) (µg11.) (µg/1) (µg/1) (11g/1) (µg11) (µg/1) (µg/1) MW-2 continued 09/15/93 8.90 9.58 0.00 -0.68 -1.38 2800 97 ND 290 250 -- 01/12/94 8.90 10.28 0.00 -1.38 -0.70 51 -- ND ND ND ND 130 -- 05/12/94 8.90 9.57 0.00 -0.67 0.71 64 -- ND ND ND ND 120 -- 10/07/94 8.90 10.36 0.00 -1.46 -0.79 86 -- ND ND ND ND -- 12/08/94 8.90 10.53 0.00 -1.63 -0.17 2300 -- ND ND ND ND -- -- 02/21/95 8.90 8.24 0.00 0.66 2.29 1100 -- 2.7 ND ND ND -- -- 06/09/95 8.90 7.76 0.00 1.14 0.48 -- -- -- 08/31/95 8.90 9.58 0.00 -0.68 -1.82 550 -- ND ND ND ND 2500 -- 11/02/95 8.90 10.15 0.00 -1.25 -0.57 -- -- -- __ __ __ 02/28/96 8.90 6.81 0.00 2.09' 3.34 90 -- 2.1 ND 2 ND 1400 -- 09/05/96 8.90 9.12 0.00 -0.22 -2.31 ND -- ND ND ND ND ND -- 03/25/97 8.90 6.32 0.00 2.58 2.80 1300 ND ND ND ND 3600 -- 10/15/97 8.90 10.42 0.00 -1.52 -4.10 670 -- ND ND ND ND 21000 -- 01/15/98 8.90 9.28 0.00 -0.38 1.14 17000 -- ND ND ND ND 16000 -- 05/07/98 8.90 6.23 0.00 2.67 3.05 67000 -- ND ND ND ND 110000 -- 09/03/98 8.90 8.42 OAO 0.48 -2.19 31000 -- ND ND ND ND 33000 09/15/98 14.20 8.58 0.00 5.62 5.14 60 ND ND ND ND -- 43000 12/23/98 8.90 8.98 0.00 -0.08 -5.70 350 -- ND ND ND ND 390 -- 12/31/98 8.90 -- -- -- __ __ __ __ Inaccessible Paved Over 03/22/99 8.90 -- -- -- _. __ __ __ Inaccessible Paved Over 05/20/99 9.03 7.96 0.00 1.07 -- ND -- ND ND ND ND 179 294 08/11/99 9.03 9.40 0.00 -0.37 -1.44 ND -- ND ND ND ND 1170 1400 11/19/99 9.03 9.57 0.00 -0.54 -0.17 ND -- ND 2.9 ND 3.5 120 150 02/22/00 9.03 7.34 0.00 1.69 2.23 ND -- ND ND ND ND 965 869 11195 Page 4 of 27