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Table 2 HISTORIC FLUID LEVELS AND SELECTED ANALYTICAL RESULTS December 1992 Through August 2005 Former BP Oil 11195 Date TOC Depth to L.PH Ground- Change TPH-G TPPH Benzene Toluene Ethyl- Total MTBE MTBE Comments Sampled Elevation Water Thickness water in 8260B benzene Xylenes 8021B 826013 Elevation 1?levation (feet) (feet) (feet) (feet) (feet) (µg/1) (µg/1) (µgll) (4g11) (µg11) (µg11) (µg11) (lig/1) MW-10 continued 05/11/01 8.12 7.78 0.00 0.34 0.59 ND -- ND ND ND ND 7100 6530 08/10/01 8.12 8.75 0.00 -0.63 -0.97 ND<1200 - ND<12 ND<12 ND<12 ND<12 21000 21000 11/21/01 8.12 9.28 0.00 -1.16 -0.53 ND<1200 ND<12 ND<12 ND<12 ND<12 22000 22000 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 3.44 - 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 -0.24 - 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 9.18 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 02/15/05 12.01 9.64 0.00 2.37 1.18 -- ND<50 ND<0.50 ND<0.50 ND<0.50 ND<1.0 -- 250 05/25/05 12.01 7.38 0.00 4.63 2.26 - ND<50 ND<0.50 ND<0.50 ND<0.50 ND<1.0 - 36 08/31/05 12.01 7.54 0.00 4.47 -0.16 -- ND<50 ND<0.50 ND<0.50 ND<0.50 ND<I.0 -- ND<0.50 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 11195 Page 18 of 26