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Table 2 <br /> HISTORIC FLUID LEVELS AND SELECTED ANALYTICAL RESULTS <br /> t May 1990 Through November 2004 <br /> Former BP Oil 11192 <br /> I <br /> Date TOC Depth to LPH Ground- Change TPH-G TPPH Benzene Toluene Ethyl- Total MTBE MTBE TBA Comments <br /> Sampled Elevation Water Thickness water in 8260E benzene Xylenes 8021B 8260B 8260B <br /> Elevation Elevation <br /> (feet) (feet) (feet) (feet) (feet) (µg/1) (40) (µg/1) (µg11) (µg/1) (µg11) (µg11) (µg11) (µg/1) <br /> MW-7 continued <br /> 07/27/94 6 21 2721 000 -2100 -006 72 ND<0 5 ND<0 5 ND<0 5 ND<0 5 2855 -- -- <br /> 11/30/94 6 21 2758 000 -2137 000 140 -- ND<0 5 08 4 4 8 3 64 -- -- <br /> D 11/30/94 621 2758 000 -2137 -037 140 -- 0 6 1 5 9 3 69 -- -- <br /> 02/15/95 621 26 58 000 -2037 100 90 ND<0 50 ND<0 50 21 17 -- -- -- <br /> 04/21/95 6 21 2461 0 00 -1840 1 97 53 -- 065 ND<0 50 1 4 14 -- -- -- <br /> 07/19/95 621 23 74 000 -1753 087 81 -- 059 ND<0 50 0 55 ND<1 0 - -- -- <br /> D 07/19/95 6 21 23 74 000 -1753 0 00 82 -- ND<0 50 ND<0 50 054 ND<1 0 - -- -- <br /> P 10/20/95 6 21 -- -- -- -- 110 -- ND<0 50 ND<0 50 ND<0 50 ND<1 0 160 - Pre-purge <br /> 10/2.0/95 6 21 24 15 000 -1794 000 89 - ND<0 50 ND<0 50 ND<0 50 ND<1 0 110 -- _ <br /> P 04/23/96 6 21 -- -- - -- ND<500 - ND<0 5 ND<0 5 ND<0 5 ND<0 5 150 -- -- Pre-purge <br /> 04/23/96 6 21 2078 000 -1457 337 ND<500 - ND<0 5 ND<0 5 ND<0 5 ND<0 5 160 -- -- <br /> 07/12/96 6 21 21 18 000 -1497 -040 ND<50 -- ND<0 5 ND<1 ND<1 ND<1 ND<10 -- -- <br /> D 07/12/96 621 21 18 000 -1497 000 ND<50 -- ND<0 5 ND<I ND<I ND<1 ND<10 - <br /> 10/18/96 6 21 2070 000 -1449 048 220 ND<0 5 ND<l 0 ND<l 0 ND<l 0 200 -- <br /> D 10/18/96 6 21 2070 000 -1449 000 240 -- ND<0 5 ND<l 0 ND<l 0 ND<I 0 200 -- -- <br /> 02/26/98 6 21 1300 000 -6 79 7 70 120 ND<0 5 ND<1 0 ND<1 0 ND<l 0 95 - -- <br /> 07/07/98 6 21 1220 000 -599 0 80 1800 -- ND<0 5 ND<l 0 ND<1 0 ND<1 0 2400 -- -- <br /> 01/19/99 621 1433 000 -8 12 -2 13 3200 -- ND<l 0 ND<1 0 ND<1 0 ND<1 0 3800 -- <br /> 07/14/99 6 21 13 13 000 -692 120 <br /> 07/26/99 6 21 1330 000 -709 -0 17 21000 ND<1 0 ND<1 0 7 2 24 18000 -- -- <br /> 10/07/99 6 21 1464 000 -843 -134 33000 - ND<I 0 ND<1 0 1 1 ND<I 0 19000 --01120/00 6 21 15 15 000 -894 -051 200 -- 16 ND<0 5 ND<0 5 ND<0 5 25000 -- -- <br /> 04/11/00 6 21 1540 000 -9 19 -025 2500 -- 3 3 ND<0 5 ND<0 5 053 63000 -- <br /> 07/14/00 621 1251 0 00 -630 2 89 2500 -- 3 8 ND<0 5 41 1 55000 -- -- <br /> 11192 Page 13 of 18 <br />