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Table 2 HISTORIC FLUID LEVELS AND SELECTED ANALYTICAL RESULTS December 1992 Through March 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 826013 Elevation Elevation (feet) (feet) (feet) (feet) (feet) (pg/1) (n/l) (41) (41) (pg/1) (41) (41) (jig/,) MW-16 continued 6/18102 12.92 11.94 0.00 0.98 -- ND<1000 ND<10 NTX10 ND<10 ND<20 -- 2300 8/15/02 12.92 12.07 0.00 0.85 -0.13 ND<2500 ND<25 ND<25 ND<25 ND<50 2400 11/18/02 12.92 1143 0.00 0.49 -0.36 ND<2500 ND<25 ND<25 ND<25 ND<50 2700 2/13/03 12.92 11.63 0.00 1.29 0.80 ND<1000 ND<10 ND<10 ND<10 ND<20 1700 5/12/03 12.92 11.83 0.00 1.09 -- ND<5000 ND<50 ND<50 ND<50 ND<100 1900 8/28/03 12-92 12.74 0.00 0.18 -0-91 810 ND<5.0 ND<5.0 ND<5.0 ND<10 1000 11/24/03 12.92 12.45 0.00 0.47 0.29 340 ND<2.5 ND<2.5 ND<2.5 ND<5.0 270 2/26!04 12.92 11.72 0.00 1.20 0.73 ND<250 ND<2.5 ND<2.5 ND<2.5 ND<5.0 290 5/21/04 12.92 12.60 0.00 0.32 -0.88 NT)<250 ND<2.5 ND<2.5 ND<2.5 ND<5.0 140 8/26/04 12-92 13.26 0.00 -0.34 -0.66 260 ND<1.0 ND<1.0 ND<1.0 ND<2.0 240 11/29/04 12.92 13.59 0.00 -0-67 -0.33 1100 ND<1.0 ND<1.0 ND<1.0 ND<2.0 1400 2/15/05 12.92 12.43 0.00 0.49 1.16 ND<50 ND<0.50 ND<0.50 ND<0.50 ND<1.0 160 MW-17 (Screen Interval in feet:5.0-20.0) 6/18/02 13-76 9.69 0.00 4.07 -- ND<50 ND<0.50 ND<0.50 ND<0.50 ND<1.0 29 8/15/02 13.76 9.88 0,00 3.88 -0.19 280 ND<2.5 ND<2.5 ND<2.5 ND<5.0 270 11/18/02 1176 10.21 0.00 155 -0.33 ND<50 ND<0.50 ND<0.50 ND<0.50 ND<1.0 71 2/13/03 13-76 9.45 . 0.00 431 0,76 ND<50 ND<0.50 ND<0.50 ND<0.50 ND<1.0 28 5/12/03 13-76 9.63 0.00 4.13 -- ND<50 ND<0.50 ND<0.50 ND<0.50 ND<1.0 140 8/28/03 13.76 10-58 0.00 3.18 -0.95 ND<50 ND<2.5 ND<2.5 ND<2.5 ND<5.0 730 11/24/03 13.76 10.37 0.00 3.39 0.21 200 ND<1.0 ND<1.0 ND<1.0 ND<2.0 150 2/26/04 13.76 9.69 0.00 4.07 0.68 ND<50 ND<0.50 ND<0.50 ND<0.50 ND<1.0 4.3 5/21/04 13-76 10.36 0.00 3.40 -0.67 ND<50 ND<0.50 ND<0.50 ND<0.50 ND<1.0 29 8/26/04 13.76 11.00 0.00 2.76 -0.64 ND<50 ND<0.50 ND<0.50 ND<0.50 ND<1.0 31 11/29/04 13.76 11.32 0.00 2.44 -0.32 ND<50 ND<0.50 ND<0.50 ND<0.50 ND<1.0 6.4 11195 Page 22 of 24 -----------