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Table 2 <br /> HISTORIC FLUID LEVELS AND SELECTED ANALYTICAL RESULTS <br /> May 1990 Through August 2005 <br /> Former BP 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 802113 8260B 8260B <br /> Elevation Elevation <br /> (feet) (feet) (feet) (feet) (feet) (14g/1) (µg11) (µgli) (µg/1) (µg11) (µg/1) (µg/l) (µg11) (µg/1) <br /> P MW-7 continued <br /> P 04/23/96 621 2078 000 -1457 337 ND<500 -- ND<0 5 ND<0 5 ND<0 5 ND<0 5 150 -- Pre-purge <br /> 04/23/96 621 2078 000 -1457 3 37 ND<500 -- ND<0 5 ND<0 5 ND<0 5 ND<0 5 160 -- -- <br /> 07/12/96 6 21 2118 000 -1497 -040 ND<50 -- ND<0 5 ND<l ND<1 ND<1 ND<10 -- -- <br /> D 07/12/96 621 21 18 000 -1497 -040 ND<50 -- ND<0 5 ND<1 ND<1 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<1 0 200 -- -- <br /> D 10/18/96 6 21 2070 000 -1449 048 240 -- ND<0 5 ND<l 0 ND<l 0 ND<1 0 200 -- -- <br /> 02/26/98 6 21 1300 000 -679 770 120 -- ND<0 5 ND<l 0 ND<l 0 ND<1 0 95 -- -- <br /> 07/07/98 6 21 1220 000 -599 0 80 1800 -- ND<0 5 ND<l 0 ND<l 0 ND<I 0 2400 -- -- <br /> 01/19/99 621 1433 000 -812 -2 13 3200 -- ND<l 0 ND<l 0 ND<l 0 ND<1 0 3800 -- <br /> 07/14/99 6 21 13 13 000 -6 92 120 -- -- -- <br /> 07/26/99 621 1330 000 -709 -017 21000 -- ND<l 0 ND<1 0 7 2 2 4 18000 -- -- <br /> 10/07/99 621 1464 000 -843 -134 33000 -- ND<l 0 ND<l 0 1 1 ND<l 0 19000 -- -- <br /> 01/20/00 6 21 15 15 000 -8 94 -051 200 -- 16 ND<0 5 ND<0 5 ND<0 5 25000 -- -- <br /> 04/11/00 621 1540 000 -919 -025 2500 -- 3 3 ND<0 5 ND<0 5 0 53 63000 -- -- <br /> 07/14/00 6 21 1251 000 -630 289 2500 -- 3 8 ND<0 5 4 1 1 55000 -- -- <br /> 10/26/00 6 21 14 15 000 -794 -164 2300 -- 28 ND<0 5 ND<0 5 ND<0 5 69000 -- -- <br /> 01/16/01 621 1403 000 -782 0 12 19000 -- 455 173 ND<0 5 1 15 30300 -- <br /> 04/12/01 6 21 1272 000 -651 131 120000 353 ND<2 5 ND<2 5 ND<7 5 147000 -- -- <br /> 07/23/01 621 1416 000 -7 95 -144 180000 -- ND<50 ND<50 ND<50 ND<150 233000 -- -- <br /> 08/I6/01 569 1462 000 -8 93 -098 -- -- -- -- -- -- -- -- -- <br /> 11/09/01 569 1558 000 -989 -096 ND<5000 -- ND<50 ND<50 ND<50 ND<50 120000 110000 25000 <br /> 12/14/01 569 1542 000 -9 73 016 25000 -- 153 0 809 3 75 624 23300 -- -- <br /> 01110102 5 69 1369 000 -800 173 4600 -- 3 73 0 639 242 256 2660 -- <br /> 02/18/02 569 13 58 000 -789 Oil 140 -- 11 ND<l 0 ND<1 0 ND<l 0 1700 800 220000 <br /> 99192 Page 14 of 20 <br />