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Table 2 HISTORIC FLUID LEVELS AND SELECTED ANALYTICAL RESULTS December 1992 Through October 2005 Former BP Oi111195 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 8260E Elevation Elevation (feet) (feet) (feet) (feet) (feet) (µg/1) (µg/1) (11g/1) (µg/1) (µg/1) (µg/1) (µg/1) (µg11) MW-11 continued 02/13/03 12.08 7.41 0.00 4.67 0.79 -- ND<50 ND<0.50 ND<0,50 ND<0.50 ND<1.0 -- ND<2.0 05/12/03 12.08 7.63 0.00 4.45 -0.22 -- ND<50 ND<0.50 ND<0.50 ND<0.50 ND<1.0 -- 2.6 08/28/03 12.08 8.53 0.00 3.55 -0.90 -- ND<50 ND<0.50 ND<0.50 ND<0.50 ND<1.0 -- 7.1 11/24/03 12.08 8.21 0.00 3.87 0.32 -- ND<50 ND<0.50 ND<0.50 ND<0.50 ND<1.0 -- ND<2.0 02/26/04 12.08 7.34 0.00 4.74 0.87 -- ND<50 ND<0.50 ND<0.50 ND<0.50 ND<1.0 -- ND<2.0 05/21/04 12.08 8.11 0.00 3.97 -0.77 -- ND<50 ND<0.50 ND<0.50 ND<0.50 ND<1.0 -- 0.88 08/26/04 12.08 8.66 0.00 3.42 -0.55 -- ND<50 ND<0.50 ND<0.50 ND<0.50 ND<1.0 -- 0.66 11/29/04 12.08 9.18 0.00 2.90 -0.52 -- ND<50 ND<0.50 ND<0.50 ND<0.50 ND<1.0 -- ND<0.50 02/15/05 12.08 7.96 0.00 4.12 1.22 -- ND<50 ND<0.50 ND<0.50 ND<0.50 ND<1.0 -- ND<0.50 05/25/05 12.08 7.57 0.00 4.51 0.39 -- 150 ND<0.50 ND<0.50 ND<0.50 ND<1.0 ND<0.50 08/31/05 12.08 7.68 0.00 4.40 -0.11 -- ND<50 ND<0.50 ND<0.50 ND<0.50 ND<L0 -- ND<0.50 10/25/05 12.08 8.40 0.00 3.68 -0.72 -- ND<50 ND<0.50 ND<0.50 ND<0.50 ND<1.0 -- ND<0.50 MW-12 (Screen Interval in feet:4.0-14.0) 09/03/98 8.37 7.98 0.00 0.39 -- ND ND ND ND ND ND -- 12/23/98 8.37 8.49 0.00 -0.12 -0.51 ND -- ND ND ND ND ND -- 12/31/98 8.37 8.51 0.00 -0.14 -0.02 ND -- ND ND ND ND 5.5 -- 03/22/99 8.37 7.20 0.00 1.17 1.31 ND -- ND ND ND ND 24 -- 05/20/99 8.37 -- -- -- -- - Unable to Locate 08/11/99 8.37 8.58 0.00 -0.21 -- ND -- ND ND ND ND ND ND 11/19/99 8.37 9,02 0.00 -0.65 -0.44 ND -- ND ND ND 0.94 ND 5.8 02/22/00 8.37 6.51 0.00 1.86 2.51 ND -- ND ND ND ND ND ND 05/05/00 8.37 7.08 0.00 1.29 -0.57 ND -- ND ND ND ND ND ND 08/28/00 8.37 8.34 0.00 0.03 -1.26 ND -- ND ND ND ND ND ND 11/13/00 8.37 8.78 0.00 -0.41 -0.44 ND -- ND ND ND ND ND ND 11195 Page 20 of 27