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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 8260B Elevation Elevation (feet) (feet) (feet) (feet) (feet) (µg/1) (µg/1) (µg11) (µg/1) (µg/1) (1g/1) (µg/1) (µgll) MW-1 continued 11/13/00 9.76 10.18 0.00 -0.42 -0.28 100 -- ND ND ND ND 338 319 02/09/01 9.76 9.99 0.00 -0.23 0.19 ND -- ND ND ND ND 661 903 05/11/01 9.76 9.38 0.00 0.38 0.61 ND - ND 0.552 ND 0.691 124 140 08/10/01 9.76 10.38 0.00 -0.62 -1.00 ND<50 -- ND<0.50 1.6 ND<0.50 1.5 1200 2000 11/21/01 9.76 10.89 0.00 -1.13 -0.51 ND<120 -- ND<1.2 ND<1.2 ND<1.2 ND<1.2 1600 2000 02/07/02 9.76 8.90 0.00 0.86 1.99 ND<500 ND<5.0 ND<5.0 ND<5.0 ND<5.0 2400 1800 05/23/02 9.76 9.86 0.00 -0.10 -0.96 -- ND<1000 ND<10 ND<10 ND<10 ND<20 -- 1900 08/15/02 14.42 10.33 0.00 4.09 4.19 -- ND<1000 ND<10 ND<10 ND<10 ND<20 -- 1100 11/18/02 14.42 10.72 0.00 3.70 -0.39 -- ND<1000 ND<10 ND<10 ND<10 ND<20 - 2000 02/13/03 14.42 9.83 0.00 4.59 0.89 -- ND<50 ND<0.50 ND<0.50 ND<0.50 ND<1.0 -- 120 05/12/03 14.42 10.17 0.00 4.25 -0.34 -- ND<50 ND<0.50 ND<0.50 ND<0.50 ND<1.0 -- ND<2.0 08/28/03 14.42 11.11 0.00 3.31 -0.94 -- 550 ND<0.50 ND<0.50 ND<0.50 ND<1.0 -- 2.2 11/24/03 14.42 10.85 0.00 3.57 0.26 -- 630 ND<5.0 ND<5.0 ND<5.0 ND<10 -- 760 02/26/04 14.42 9.95 0.00 4.47 0.90 -- 110 ND<1.0 ND<1.0 ND<1.0 ND<2.0 -- 100 05/21/04 14.42 10"75 0.00 3.67 -0.80 -- ND<50 ND<0.50 ND<0.50 ND<0.50 ND<1.0 6.4 08/26/04 14.42 11.29 0.00 3.13 -0.54 -- 130 ND<0.50 ND<0.50 ND<0.50 ND<1.0 -- ND<0.50 11/29/04 14.42 11.71 0.00 2.71 -0.42 -- 76 ND<0.50 ND<0.50 ND<0.50 ND<1.0 -- 2.8 02/15/05 14.42 10.50 0.00 3.92 1.21 -- ND<50 ND<0.50 ND<0.50 ND<0.50 ND<1.0 -- 3.8 05/25/05 14.42 10.08 0.00 4.34 0.42 -- 150 ND<0.50 ND<0.50 ND<0.50 ND<1.0 -- ND<0.50 08/31/05 14.42 10.33 0.00 4.09 -0.25 -- ND<50 ND<0.50 ND<0.50 ND<0.50 ND<1.0 -- 1.8 10/25/05 14.42 10.95 0.00 3.47 -0.62 -- ND<50 ND<0.50 ND<0.50 ND<0.50 ND<1.0 -- 24 MW-2 (Screen Interval in feet:8.0-23.0) 12/21/92 8.90 10.96 0.00 -2.06 -- ND -- ND ND ND ND 05/17/93 8"90 8.20 0.00 0.70 2.76 120 -- 1.8 0.6 1.2 1 -- 11195 Page 3 of 27