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Table 2 <br /> HISTORIC FLUID LEVELS AND SELECTED ANALYTICAL RESULTS <br /> May 1990 Through November 2005 <br /> Former BF Oil 11192 <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 8260B benzene Xylenes 8021E 8260E 8260E <br /> Elevation Elevation <br /> (feet) (feet) (feet) (feet) (feet) (µg11) (µg/1) (µg/1) (µg11) (11g11) (µg/1) (41) (41) (µg1!) <br /> MW-6 continued <br /> 12/22/93 5 80 27 17 000 -2137 0 12 ND<50 -- ND<0 5 ND<0 5 ND<0 5 ND<0 5 -- -- -- <br /> 04/01/94 5 80 2629 000 -2049 0 88 -- -- -- -- -- -- -- -- -- <br /> 07/27/94 5 80 2632 000 -2052 -0 03 ND<50 -- ND<0 5 ND<0 5 ND<0 5 ND<0 5 ND<5 0 -- -- <br /> 11/30/94 580 2680 000 -21 00 -048 -- -- -- -- -- -- -- -- -- <br /> 02/15/95 580 25 73 000 -1993 107 ND<50 -- ND<0 50 ND<0 50 ND<0 50 ND<1 0 -- -- -- <br /> 04/21/95 580 23 74 000 -17 94 199 -- - -- -- -- -- -- -- <br /> 07/21/95 580 2298 000 -17 18 076 ND<50 -- ND<0 50 ND<0 50 ND<0 50 ND<1 0 -- -- -- <br /> P 10/20/95 5 80 2339 000 -17 59 -041 ND<50 -- ND<0 50 ND<0 50 ND<0 50 ND<1 0 6 7 -- -- Pre-purge <br /> 10/20/95 580 2339 000 -1759 -041 ND<50 -- 15 067 ND<0 50 ND<1 0 ND<5 0 -- -- <br /> D 10/20/95 5 80 23 39 000 -1759 -041 -- -- -- -- -- -- -- -- <br /> P 04/23/96 580 2000 0 00 -1420 339 ND<500 -- ND<5 ND<5 ND<5 13 2700 -- -- Pre-purge <br /> 04/23/96 580 2000 0 00 -1420 3 39 ND<500 -- ND<12 ND<12 ND<12 ND<12 4100 -- -- <br /> 07/12/96 5 80 2022 000 -1442 -022 -- -- -- -- -- -- -- -- <br /> 10/18/96 5 80 1942 000 -13 62 0 80 2300 -- 10 ND<1 0 ND<1 0 ND<l 0 7900 -- -- <br /> 02/26/98 5 80 1160 000 -580 782 490 -- ND<0 5 ND<1 0 ND<1 0 ND<l 0 590 -- -- <br /> D 02/26/98 580 1160 000 -580 7 82 460 -- ND<0 5 ND<l 0 ND<1 0 ND<1 0 680 -- -- <br /> 07/07/98 580 1155 000 -5 75 005 ND<50 -- ND<0 5 ND<l 0 ND<1 0 ND<1 0 ND<10 -- -- <br /> 01/19/99 580 1349 000 -7 69 -194 7300 -- ND<1 0 ND<l 0 ND<1 0 ND<l 0 9700 -- -- <br /> 07/14/99 5 80 1255 000 -675 094 1000 -- ND<1 0 ND<1 0 ND<1 0 ND<I 0 1100 -- -- <br /> 10/07/99 5 80 1410 000 -8 30 -155 4900 -- ND<l 0 ND<l 0 ND<1 0 ND<1 0 4200 -- -- <br /> 01/20/00 580 1433 000 -853 -0 23 ND<50 -- ND<0 5 ND<0 5 ND<0 5 ND<0 5 6200 -- -- <br /> 04/11/00 5 80 1525 000 -945 -092 77 -- ND<0 5 ND<0 5 ND<0 5 ND<0 5 180 -- -- <br /> 07/14/00 5 80 1197 000 -617 3 28 55 -- ND<0 5 ND<0 5 ND<0 5 ND<0 5 150 -- -- <br /> 10/26/00 5 80 1360 000 -780 -163 1300 -- 100 79 11 72 2200 -- -- <br /> 11192 Page 11 of 20 <br />