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Table 2 <br /> HISTORIC FLUID LEVELS AND SELECTED ANALYTICAL RESULTS <br /> May 1990 Through November 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 8260E benzene Xylenes 8021B 8260B 8260B <br /> Elevation Elevation <br /> (feet) (feet) (feet) (feet) (feet) (µg11) (µg/1) (41) (µg/1) (µg11) (41) (µg/1) (µg11) (14g11) <br /> MW-4 contimued <br /> 07/14/99 6 75 13 55 000 -6 80 104 ND<50 -- ND<1 0 ND<l 0 ND<1 0 ND<1 0 83 -- -- <br /> 10/07/99 6 75 1508 000 -8 33 -153 220 -- ND<1 0 ND<l 0 ND<l 0 ND<l 0 170 -- -- <br /> 01/20/00 6 75 1540 000 -865 -032 ND<50 -- ND<0 5 ND<0 5 ND<0 5 ND<0 5 320 -- -- <br /> 04/11/00 6 75 1431 000 -756 1 09 ND<50 -- ND<0 5 ND<0 5 ND<0 5 ND<0 5 6 4 -- -- <br /> 07/14/00 675 1302 000 -627 129 98 -- ND<0 5 ND<0 5 ND<0 5 ND<0 5 290 -- -- <br /> 10/26/00 675 1459 000 -784 -157 190 -- 2 19 0 7 3 2 1000 -- -- <br /> 01/16/01 675 1441 000 -7 66 0 18 400 -- ND<0 5 ND<0 5 ND<0 5 ND<0 5 510 -- -- <br /> 04/12/01 6 75 1297 000 -622 144 400 -- ND<0 5 ND<0 5 ND<0 5 ND<1 5 544 -- -- <br /> 07/23/01 6 75 1468 000 -7 93 -171 440 -- ND<0 5 ND<0 5 ND<0 5 ND<l 5 610 -- -- <br /> 08/16/01 6 21 1507 000 -886 -093 -- -- -- -- -- -- -- __ <br /> 11/09/01 6 21 1604 000 -983 -097 ND<50 -- ND<0 50 ND<0 50 ND<0 50 ND<0 50 530 470 ND<50 <br /> 12/14/01 621 1586 000 -965 018 650 -- ND<0 5 ND<0 5 ND<0 5 ND<1 0 612 -- -- <br /> 01/10/02 621 1400 000 -779 186 470 ND<2 5 ND<2 5 ND<2 5 ND<5 0 383 -- -- <br /> 02/18/02 621 1392 000 -771 008 ND<50 -- ND<0 50 ND<0 50 ND<0 50 ND<0 50 44 55 ND<100 <br /> 05/31/02 621 14 12 000 -7 9l -020 -- ND<50 ND<0 50 ND<0 50 ND<0 50 ND<l 0 -- 64 ND<100 <br /> 08/08/02 621 1548 000 -927 -136 -- 220 ND<0 50 ND<0 50 ND<0 50 ND<0 50 -- 270 ND<20 <br /> 11/15/02 6 21 1685 000 40 64 -137 -- 150 ND<0 50 067 ND<0 50 064 150 ND<100 <br /> 01/03/03 6 21 1579 000 -958 106 -- ND<50 ND<0 50 ND<0 50 ND<0 50 ND<t 0 -- 130 ND<100 <br /> 05/14/03 6 21 1493 000 -872 086 -- ND<50 ND<0 50 ND<0 50 ND<0 50 ND<0 50 -- 19 ND<100 <br /> 08/14/03 6 21 1651 000 -1030 -158 -- ND<50 ND<0 50 ND<0 50 ND<0 50 ND<1 0 -- 42 ND<100 <br /> 11/26/03 6 21 1837 000 -1216 -186 -- 130 ND<0 50 070 ND<0 50 ND<1 0 -- 71 ND<100 <br /> 02/23/04 621 1587 000 -966 250 -- ND<50 ND<0 50 ND<0 50 ND<0 50 ND<1 0 -- 20 ND<100 <br /> 05/21104 621 1550 000 -9 29 037 -- 51. ND<0 50 ND<0 50 ND<0 50 ND<l 0 -- 28 ND<5 0 <br /> 08/10/04 621 1673 000 -1052 -123 -- ND<50 ND<0 50 ND<0 50 ND<0 50 ND<1 0 -- 12 ND<5 0 <br /> 11192 Page 7 of 20 <br />