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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 8021B 8260B Elevation Elevation (feet) (feet) (feet) (feet) (feet) (µg11) (µg/1) (µg11) 4Lg/1) (µg11) (µg/1) (µg/1) (4g11.) MW-3 continued 02/21/95 9.79 9.11 0.00 0.68 2.29 4900 -- 6.4 ND 370 400 - 06/09/95 9.79 8.59 0.00 1.20 0.52 -- -- -- -_ __ -- -- 08/31/95 9.79 10.46 0.00 -0.67 -1.87 5500 -- 11 ND 890 460 4300 -- 11/02/95 9.79 11.05 0.00 -1.26 -0.59 -- -- -- __ __ -- __ 02/28/96 9.79 7.66 0.00 2.13 0.00 1600 - 3.2 ND 270 227 1200 -- D 02/28/96 9.79 7.66 0.00 2.13 3.39 1400 -- 2.8 ND 240 204 1100 -- 09/05/96 9.79 9.99 0.00 -0.20 -2.33 3700 -- -- ND 420 ND 2100 -- 03/25/97 9.79 7.18 0.00 2.61 2.81 5300 -- 16 ND ND ND 7400. D 03/25/97 9.79 7.18 0.00 2.61 0.00 5400 -- ND ND ND ND 7200 -- 10/15/97 9.79 11.32 0.00 -1.53 4.14 1500 - 9.1 2.3 320 73.5 8700 -- D 10/15/97 9.79 11.32 0.00 -1.53 0.00 1400 - 8.4 1.5 250 57 7900 -- 01/15/98 9.79 10.14 0.00 -0.35 1.18 24000 -- 20 ND ND ND 21000 -- 05/07/98 9.79 7.10 0.00 2.69 3.04 -- -- -- -- __ __ __ 09/03/98 9.79 9.32 0.00 0.47 0.00 81000 - ND ND 360 100 78000 -- D 09/03/98 9.79 9.32 0.00 0.47 -2.22 66000 -- ND ND 350 100 73000 -- 09/15/98 15.10 9.50 0.00 5.60 5.13 4100 -- ND 11 370 50 -- 23000 12/23/98 9.79 9.98 0.00 -0.19 -5.79 62000 -- 4.2 ND 210 5.1 77000 -- 12/31/98 9.79 -- -- -- -- -- __ Inaccessible Paved Over 03/22/99 9.79 8.60 0.00 1.19 -- 12000 -- ND ND ND ND 12000 -- 05/20/99 9.79 8.61 0.00 1.18 -0.01 ND ND ND ND ND 2890 4680 08/11/99 9.79 10.27 0.00. -0.48 -1.66 ND ND ND 29.9 ND 47300 61000 11/19/99 9.79 10.29 0.00 -0.50 -0.02 3800 -- 46 ND. 73 380 32000 38000 02/22/00 9.79 8.01 0.00 1.78 2.28 312 - 6.34 ND 3.72 12.2 3490 3510 05/05/00 9.79 8.31 0.00 1.48 -0.30 ND ND ND ND ND 2480 2410 11195 Page 6 of 23