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Table 2 HISTORIC FLUID LEVELS AND SELECTED ANALYTICAL RESULTS December 1992 Through November 2004 Former BF 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 8021E 8260B Elevation Elevation (feet) (feet) (feet) (feet) (feet) (µg/1) (11g11) (µg/1) (41) (µg/1) (µg/1) (41) (µg/1) MW-10 continued 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 05/23/02 8.12 8.25 0.00 -0.13 -0.99 -- ND<2500 ND<25 ND<25 ND<25 ND<50 -- 4000 08/15/02 12.01 8.70 0.00 3.31 -- -- 520 ND<5.0 ND<5.0 ND<5.0 ND<10 -- 2000 11/18/02 12.01 9.10 0.00 2.91 -0.40 -- ND<500 ND<5.0 ND<5.0 ND<5.0 ND<10 - 860 02/13/03 12.01 8.29 0.00 3.72 0.81 -- ND<50 ND<0.50 ND<0.50 ND<0.50 ND<1.0 -- 53 05/12/03 12.01 8.53 0.00 3.48 -- -- ND<50 ND<0.50 ND<0.50 ND<0.50 ND<1.0 -- ND<2.0 08/28/03 12.01 9.43 0.00 2.58 -0.90 -- 58 ND<0.50 ND<0.50 ND<0.50 ND<1.0 -- ND<2.0 11/24/03 12.01 9118 0.00 2.83 0.25 -- ND<50 ND<0.50 0.64 ND<0.50 ND<1.0 -- 3.1 02/26/04 12.01 8.13 0.00 3.88 1.05 -- ND<50 ND<0.50 ND<0.50 ND<0.50 ND<1.0 -- 13 05/21/04 12.01 9.82 0.00 2.19 -1.69 - ND<50 ND<0.50 ND<0.50 ND<0.50 ND<1.0 -- 0.98 08/26/04 12.01 10.40 0.00 1.61 -0.58 -- 430 ND<1.0 ND<1.0 ND<1.0 ND<2.0 -- 260 11/29/04 12.01 10.82 0.00 1.19 -0.42 -- 990 ND<1.0 ND<1.0 ND<1.0 ND<2.0 -- 1200 MW-11 (Screen Interval in feet.4.0-14.0) 09/03/98 7.38 6.98 0.00 0.40 -- ND -- ND ND ND ND ND -- 12/23/98 7.38 -- -- -- -- __ -- -- -- -- - -- -- 12/31/98 7.38 7.55 0.00 -0.17 -- 350 - ND ND ND ND 400 -- 03/22/99 7.38 6.25 0.00 1.13 1.30 ND ND ND ND ND 59 -- 05/20/99 7.38 6.27 0.00 1.11 -0.02 ND -- 0.989 ND ND ND 904 780 08/11/99 7.38 7.61 0.00 -0.23 -1.34 ND -- ND ND ND ND 16200 16000 11/19/99 7.38 8.00 0.00 -0.62 -0.39 ND - 15 ND ND ND 1400 20000 02/22/00 7.38 5.88 0.00 1.50 2.12 ND ND ND ND ND ND 2.68 05/05/00 7.38 6.01 0.00 1.37 -0.13 ND -- ND ND ND ND 1490 1640 08/28/00 7.38 7.43 0.00 -0.05 -1.42 ND -- ND ND ND ND 4660 2770 11/13/00 7.38 7.62 0.00 -0.24 -0.19 ND -- ND ND ND ND 135 137 11195 Page 17 of 23