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• • • Y I <br /> 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 8260B benzene Xylenes 8021E 8260E 826013 <br /> Elevation Elevation <br /> (feet) (feet) (feet) (feet) (feet) (µg/1) (41) (µg11) (µg/1) (µgll) (11211) (µg11) (1tg/1) (µg11) <br /> MW-11 continued <br /> 02/25/05 518 1771 000 -1253 2 I6 -- ND<1300 ND<0 50 ND<0 50 ND<O 50 ND<1 0 -- ND<13 8800 <br /> 05/27/05 518 1673 000 -1155 098 -- ND<1300 ND<13 ND<13 ND<13 ND<25 -- 21 10000 <br /> 08/26/05 518 1925 000 -1407 -252 -- 370J ND<5 0 ND<5 0 ND<5 0 ND<10 -- 29 16000 <br /> 11/11/05 5 18 1921 000 -1403 004 -- ND<1300 ND<13 ND<13 ND<13 ND<1 0 -- 28 13000 <br /> I <br /> MW-12 <br /> 01/03/03 642 1508 000 -866 -- -- ND<250 ND<2 5 ND<2 5 ND<2 5 ND<5 0 -- 220 1700 <br /> 05/14/03 642 1521 000 -879 -013 -- ND<50 ND<O 50 ND<O 50 ND<O 50 ND<O 50 -- ND<2 0 2200 <br /> 08/14/03 642 1667 000 -1025 -146 -- ND<50 ND<O 50 ND<O 50 ND<O 50 ND<1 0 - ND<2 0 180 <br /> 11/26/03 642 1757 000 -1115 -090 ND<50 ND<O 50 0 55 ND<O 50 ND<1 0 -- ND<2 0 ND<100 <br /> 02/23/04 6 42 1614 000 -9 72 143 -- ND<50 ND<O 50 ND<O 50 ND<O 50 ND<1 0 -- ND<2 0 ND<100 <br /> 05/21/04 642 1572 0 00 -930 042 -- ND<50 ND<O 50 ND<O 50 ND<O 50 ND<1 0 -- 10 ND<5 0 <br /> 08/10/04 642 1694 000 -1052 -122 -- ND<50 ND<O 50 ND<0 50 ND<O 50 ND<1 0 -- 057 ND<5 0 <br /> 11/24/04 642 1751 000 -1109 -057 -- ND<50 ND<O 50 ND<O 50 ND<O 50 ND<1 0 -- ND<O 50 ND<5 0 <br /> 02/25/05 642 1550 000 -908 2 01 -- ND<50 ND<O 50 ND<O 50 ND<O 50 ND<l 0 -- 0 65 ND<5 0 <br /> 05/27/05 642 1431 000 -789 1 19 -- ND<50 065 ND<O 50 ND<O 50 ND<1 0 -- 1 1 ND<5 0 <br /> 08/26/05 642 1591 000 -949 -160 -- ND<50 ND<O 50 ND<0 50 ND<0 50 ND<1 0 -- 056 ND<10 <br /> 11/11/05 642 1683 000 -1041 -092 -- ND<50 ND<O 50 ND<O 50 ND<O 50 ND<1 0 -- ND<0 50 ND<5 0 <br /> MW-13 <br /> 01/03/03 438 1427 000 -989 -- -- ND<5000 ND<50 ND<50 ND<50 ND<100 -- 13000 20000 <br /> 05/14/03 438 1338 000 -900 0 89 -- ND<50 ND<O 50 ND<O 50 ND<O 50 ND<O 50 -- ND<2 0 ND<1 00 <br /> 08/14/03 438 1487 000 -1049 -149 -- ND<50 ND<O 50 ND<O 50 ND<O 50 ND<1 0 -- ND<2 0 ND<100 <br /> 11/26/03 438 1577 000 -1139 -090 -- ND<50 ND<O 50 ND<O 50 ND<O 50 ND<1 0 -- 7 5 ND<l00 <br /> 02123104 439 1445 000 -1007 132 -- ND<50 ND<O 50 ND<O 50 ND<O 50 ND<1 0 -- ND<2 0 ND<I00 <br /> 05/21/04 438 1403 000 -965 042 -- ND<50 ND<O 50 ND<O 50 ND<O 50 ND<1 0 -- ND<O 50 ND<5 0 <br /> 11192 Page 19 of 20 <br />