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Table 2 HISTORIC FLUID LEVELS AND SELECTED ANALYTICAL RESULTS _ December 1992 Through March 2005 Former 13P 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 8260E benzene Xylenes 8021B 8260E Elevation Elevation (feet) (feet) (feet) (feet) (feet) (µg11) (µg/1) (11g/1) (µg11) (µg/1) (µg11) (µg11) (µg/1) MW-1 continued 12/8/94 9.10 10.75 0.00 -1.65 -0.21 1300 0.8 2.4 ND ND --2/21/95 . 9.10 8.44 0.00 0.66 2.31 69 -- ND ND ND ND -- -- 6/9/95 9.10 7.94 0.00 1.16 0.50 -- -- -- -- -- 8131/95 9.10 9.81 0.00 471 -1.87 91 -- 0.7 ND ND ND 200 - 1112/95 9.10 10.38 0.00 -1.28 -0.57 -- -- -- -- -- - -- 2/28/96 9.10 6.98 0.00 2.12 3.40 ND -- ND ND ND ND 130 -- 9/5196 9.10 9.31 0.00 -0.21 -2.33 ND -- ND ND ND ND ND -- 3/25/97 9.10 6.47 0.00 2.63 2.84 ND -- ND ND ND ND ND -- 10/15/97 9.10 10.65 0.00 -1.55 -4.18 420 -- ND ND ND ND 9100 -- 1/15/98 9.10 9.40 0.00 -0.30 1.25 ND - ND ND ND ND 1200 -- 5/7/98 9.10 6.45 0.00 2.65 2.95 2700 -- ND ND ND ND 2900 -- 9/3/98 9.10 8.67 0.00 0.43 -2.22 17000 -- 1.2 ND ND ND 13000 -- 12/23/98 9.10 9.08 0.00 0.02 -- 17000 -- ND ND ND ND 17000 - 12/31/98 9.10 -- -- -- -- -- -- -- -- -- -- -- -- Inaccessible Paved Over 3122/99 9.10 -- -- -- - -- -- -- -- -- -- Inaccessible Paved Over 5120/99 9.76 8.72 0.00 1.04 -- ND - ND ND ND ND 3380 7130 8111/99 9.76 10.11 0.00 -0.35 -1.39 99.7 -- ND ND ND ND 7060 7100 11/19/99 9.76 10.32 0.00 -0.56 -0.21 ND -- ND 2.2 ND 2 2500 3000 2/22/00 9.76 8.08 0-00 1.68 2.24 ND ND ND ND ND 2060 1900 5/5/00 9.76 8.42 0.00 1.34 -0.34 ND -- ND ND ND ND 995 1870 8/28/00 9.76 9.90 0.00 -0.14 -1.48 100 - ND ND ND ND 274 314 11/13/00 9.76 10.18 0.00 -0.42 -0.28 100 ND ND ND ND 338 319 2/9101 9.76 999 0.00 -0.23 0.19 ND -- ND ND ND ND 661 903. 5/11/01 9.76 9.38 0.00 0.38 0.61 ND -- ND 0.552 ND 0.691 124 140 11195 Page 2 of 24 ----�--_t��.�<<,��.�z-----ti._��.-�_�_�.:�4�:_____-�-::_.-.-.- --------•-- - - -�----.-.c.r�,,.__�-x.c.,acR.::.-�:xc�c._,�--c.-:-:._ccc.::�._.«««.._.tic«�.�_x.---,.-,_,...c..._r�.�z.-- -- '�=.- - - --------------------�._�__�� i =�.:-ccs.