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Table 2 <br /> HISTORIC FLUID LEVELS AND SELECTED ANALYTICAL RESULTS <br /> May 1990 Through August 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 8021B 8260B 8260B <br /> Elevation Elevation <br /> (feet) (feet) (feet) (feet) (feet) (µg11) (µg11) (4g/1) (µg11) (µg/1) (µg11) (µgll) (41) (µgll) <br /> MW-6 continued <br /> 02/15/95 5 80 2573 000 -1993 107 ND<50 -- ND<0 50 ND<0 50 ND<0 50 ND<l 0 -- -- -- <br /> 04/21/95 5 80 23 74 000 -1794 199 -- -- -- -- -- -- -- -- -- <br /> 07/21/95 5 80 2298 000 -17 18 076 ND<50 -- ND<0 50 ND<0 50 ND<0 50 ND<l 0 -- -- -- <br /> P 10/20/95 5 80 23 39 000 -1759 -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<l 0 ND<5 0 -- -- <br /> D 10/20/95 580 2339 000 -1759 -041 -- -- -- -- -- -- -- -- -- <br /> P 04/23/96 5 80 2000 000 -1420 339 ND<500 -- ND<5 ND<5 ND<5 13 2700 -- -- Pre-purge <br /> 04/23/96 580 2000 000 -1420 3 39 ND<500 -- ND<12 ND<12 ND<t2 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<1 0 7900 -- -- <br /> 02/26/98 5 80 1160 000 -5 80 782 490 -- ND<0 5 ND<l 0 ND<1 0 ND<1 0 590 -- -- <br /> D 02/26/98 5 80 1160 0 00 -580 782 460 -- ND<0 5 ND<1 0 ND<1 0 ND<1 0 680 -- -- <br /> 07/07/98 5 80 1155 000 -575 005 ND<50 -- ND<0 5 ND<1 0 ND<1 0 ND<1 0 ND<10 -- -- <br /> 01/19/99 5 80 1349 0 00 -769 -194 7300 -- ND<1 0 ND<1 0 ND<l 0 ND<1 0 9700 -- -- <br /> 07/I4/99 5 80 t2 55 000 -675 094 1000 -- ND<1 0 ND<1 0 ND<1 0 ND<1 0 1100 -- -- <br /> 10/07/99 5 80 1410 000 -830 -155 4900 -- ND<1 0 ND<1 0 ND<1 0 ND<1 0 4200 -- -- <br /> 01/20/00 5 80 1433 000 -853 -023 ND<50 -- ND<0 5 ND<0 5 ND<0 5 ND<0 5 6200 -- -- <br /> 04/11/00 580 1525 000 -945 -0 92 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 /> 01/16/01 5 80 1339 000 -759 021 1200 -- 206 ND<0 5 ND<0 5 ND<0 5 1700 -- -- <br /> 04/12/01 580 1193 000 -6 13 146 I20 -- ND<0 5 ND<0 5 ND<0 5 ND<1 5 157 -- -- <br /> 07/23101 5 80 13 56 000 -776 -163 200 -- ND<0 5 ND<0 5 ND<0 5 ND<1 5 254 -- -- <br /> 08/16/01 528 1400 000 -8 72 -096 -- -- -- -- -- -- -- -- -- <br /> 11192 Page 11 of 20 <br />