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Table 2 HISTORIC FLUID LEVELS AND SELECTED ANALYTICAL RESULTS December 1992 Through,June 2005 Former BP Oil 11195 Date TOC Depth to LPH Ground- Change TPH-G TPPH Benzene Toluene Ethyl- Total MTBE MTBE Comments Sampled EIevation Water Thickness water in 8260B benzene Xylenes 8021E 8260B Elevation Elevation (feet) (feet) (feet) (feet) (feet) (µg/l) (µg11) (141) (µg11) (µg/1) (41) (µg/l) (41) MW-2 continued 0511I101 9.03 8.61 0.00 0-42 0.61 ND -- ND 0.606 ND 0.738 855 1140 08/10/01 9.03 9.61 0.00 -0.58 -1.00 ND<50 - ND<0.50 1.2 ND<0.50 0,79 830 1200 11/21/01 9.03 10.13 0,00 -1.10 -0.52 ND<50 ND<0.50 ND<0.50 ND<0,50 ND<0.50 210 130 02/07/02 9.03 8.13 0.00 0.90 2.00 ND<500 - ND<5.0 ND<5.0 ND<5.0 ND<5,0 560 550 05/23/02 9.03 9.10 0.00 -0.07 -0.97 -- 250 ND<2.5 ND<2.5 ND<2.5 ND<5.0 -- 970 08/15/02 13,75 9.57 0.00 4.18 4.25 -- 190 ND<0.50 ND<0.50 ND<0.50 ND<1.0 -- 160 11/18/02 13.75 9.96 0.00 3.79 -0.39 - ND<250 ND<2,5 ND<2.5 ND<2.5 ND<5.0 -- 210 02/13/03 13.75 9.22 0.00 4.53 0.74 -- ND<50 ND<0.50 ND<0.50 ND<0.50 ND<1.0 14 05/12/03 13.75 9.40 0.00 4.35 -0.18 ND<50 ND<0.50 ND<0.50 ND<0.50 ND<I.0 -- 44 08/28/03 13.75 1034 0.00 3.41 -0.94 -- 560 ND<2.5 ND<2.5 ND<2.5 ND<5.0 -- 480 11/24/03 13.75 10.12 0.00 3.63 0.22 -- 740 ND<5.0 ND<5.0 ND<5.0 ND<10 -- 690 02/26/04 13.75 9.33 0.00 4.42 0.79 -- 120 ND<0.50 ND<0.50 ND<0.50 ND<1.0 -- 110 05/21/04 13.75 9.98 0.00 3.77 -0.65 -- 57 ND<0.50 ND<0.50 ND<0.50 ND<1.0 -- 55 08/26/04 13.75 10.55 0,00 3.20 -0.57 57 ND<0.50 ND<0.50 ND<0.50 ND<1-0 -- 22 11/29/04 13.75 10.94 0.00 2.81 -0.39 -- ND<50 ND<0.50 ND<0.50 ND<0.50 ND<1,0 -- 15 02/15/05 13.75 9.76 0.00 3.99 1.18 -- ND<50 ND<0.50 ND<0.50 ND<0.50 ND<1.0 -- 3.9 05/25/05 13.75 9.32 0,00 4.43 0.44 -- ND<50 ND<0.50 ND<0.50 ND<0.50 ND<1.0 -- 13 MW-3 (Screen Interval in feet:8.0-23.0) 12/21/92 9.79 11.84 0.00 -2.05 -- 1300 -- 6.7 3.1 9.1 3I0 -- -- 05/17/93 9,79 9.05 0.00 0.74 2.79 3600 -- 20 9.3 470 700 -- -- D 05/17/93 9.79 9.05 0.00 0.74 2.79 4000 -- 23 12 520 810 -- 09/15/93 9.79 10.44 0.00 -0.65 -1.39 38000 -- 770 34 1700 3300 01/12/94 9.79 11.15 0.00 -1.36 -0.71 380 -- ND ND ND ND -- -- D 01/12/94 9.79 11.15 0.00 -1,36 -0.71 400 - ND ND ND ND 1400 -- 11195 Page 5 of 25