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Table 2 <br /> HISTORIC FLUID LEVELS AND SELECTED ANALYTICAL RESULTS <br /> May 1990 Through November 2004 <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 3n 8260B benzene Xylenes 8021B 8260B 8260B <br /> Elevation Elevation <br /> (feet) (feet) (feet) (feet) (feet) (µg11) (µg11) (µg11) {µg/1) (µg/1) (µg/1) (µg/1) (µg/1) (µg11) <br /> MW-4 continued <br /> 07/23/01 6 75 1468 000 -7 93 -171 440 -- ND<0 5 ND<0 5 ND<0 5 ND<1 5 610 -- -- <br /> 08/16/01 6 21 1507 000 -8 86 -0 93 <br /> 11/09/01 621 1604 000 -983 -- ND<50 ND<0 50 ND<0 50 ND<0 50 ND<0 50 530 470 ND<50 <br /> 12/14/01 621 15 86 000 -965 0 18 650 -- ND<0 5 ND<0 5 ND<0 5 ND<l 0 612 -- -- <br /> 01/10/02 6 21 14 00 000 -7 79 186 470 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 1412 000 -791 -020 -- ND<50 ND<0 50 ND<0 50 ND<0 50 ND<l 0 -- 64 ND<100 <br /> 08/08/02 621 15 48 000 -927 -136 220 ND<0 50 ND<0 50 ND<0 50 ND<0 50 -- 270 ND<20 <br /> 11/15/02 621 1685 000 -1064 -137 -- 150 ND<0 50 067 ND<0 50 064 -- 150 ND<100 <br /> 01/03/03 621 1579 000 -958 1 06 -- ND<50 ND<0 50 ND<0 50 ND<0 50 ND<1 0 -- 130 ND<100 <br /> 05/14/03 621 1493 000 -872 0 86 -- 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<l 0 -- 42 ND<100 <br /> 11/26/03 621 1937 000 -1216 -186 -- 130 ND<0 50 070 ND<0 50 ND<l 0 -- 71 ND<100 <br /> 02/23/04 621 1587 000 -966 2 50 -- ND<50 ND<0 50 ND<0 50 ND<0 50 ND<l 0 20 ND<100 <br /> 05/21/04 6 21 15 50 000 -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 16 73 000 -1052 -123 -- ND<50 ND<0 50 ND<6 50 ND<a 50 ND<1 0 -- 12 ND<5 0 <br /> 11/24/04 621 1727 000 -1106 -054 -- 54 ND<0 50 ND<0 50 ND<0 50 ND<1 0 -- 5 4 ND<5 0 <br /> MW-5 <br /> 08/05/91 6 15 3072 000 -2457 -- ND -- ND ND ND ND -- -- -- <br /> 08/15/91 615 <br /> 12/09/91 6 15 31 10 0 00 -24 95 -- ND ND ND ND ND -- -- <br /> 03/09/92 6 15 3047 000 -2432 0 63 ND -- 6 2 ND 0 5 ND -- -- -- <br /> 06/19/92 6 15 2999 000 -23 84 048 ND<50 -- ND<0 5 ND<0 5 ND<0 5 ND<0 5 -- - -- <br /> 09/18/92 6 15 3192 000 -2577 -193 ND<50 -- ND<0 5 ND<0 5 ND<0 5 ND<0 5 -- -- <br /> 11192 Page 7 of 18 <br />