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Table 2 <br /> HISTORIC FLUID LEVELS AND SELECTED ANALYTICAL RESULTS <br /> May 1990 Through May 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 1n 8260B benzene Xylenes 8021B 8260B 8260E <br /> Elevation Elevation <br /> (feet) (feet) (feet) (feet) (feet) (µg/1) (µg11) (µg/1) (µg11) (µg/l) (µg/1) (µg11) (14g/1) (µg11) <br /> MW-3 continued <br /> 10/20/1995 552 24 11 0 00 -1859 -042 520 -- 5 6 ND<0 50 2 2 14 410 -- -- <br /> D 10/20/1995 552 24 11 000 -1859 -042 520 - 4 7 ND<0 50 14 12 240 -- -- <br /> P 4/23/1996 5 52 2080 000 -1528 331 ND<500 -- 57 2 2 1 300 -- -- Pre-purge <br /> 4/23/1996 5 52 2080 000 -1528 3 31 ND<500 -- 5 1 ND<0 5 10 5 280 -- -- <br /> D 4/23/1996 5 52 2080 000 -1528 3 31 ND<500 - 5 1 ND<0 5 12 4 240 - -- <br /> 7/12/1996 5 52 2150 000 -1598 -070 -- -- -- -- -- -- - -- <br /> 10/18/1996 5 52 2067 000 -15 15 083 480 -- 3 25 ND<1 0 ND<l 0 300 -- - <br /> 2/26/1998 5 52 1258 000 -706 809 1200 -- 1 ND<1 0 ND<1 0 ND<l 0 890 -- - <br /> 7/7/1998 5 52 12 19 000 -667 039 6600 -- ND<0 5 ND<1 0 ND<l 0 1 1 8300 -- -- <br /> D 7/7/1998 S52 12 19 000 -667 039 6900 -- ND<0 5 ND<1 0 ND<l 0 1 1 8500 -- - <br /> 1/19/1999 552 13 10 000 -758 -091 12000 -- ND<5 0 ND<5 0 ND<5 0 ND<5 0 15000 -- -- <br /> 7/14/1999 5 52 13 11 000 -759 -001 29000 -- ND<5 0 ND<5 0 20 30 38000 - - <br /> 10/7/1999 552 1458 000 -906 -1 47 52000 -- ND<1 0 ND<1 0 87 1 1 35000 -- <br /> 1/20/2000 5 52 1495 000 -943 -037 310 - ND<0 5 3 4 3 1 2 9 56000 -- -- <br /> 4/11/2000 5 52 15 10 000 -958 -015 3000 -- 6 7 ND<0 5 ND<0 5 1 1 96000 -- -- <br /> 7/14/2000 552 1236 000 -684 274 3000 -- 7 6 ND<0 5 52 2 6 120000 <br /> 10/26/2000 5 52 1395 000 -843 -159 2800 - 5 8 ND<0 5 3 15 86000 -- -- <br /> 1/16/2001 552 1402 000 -850 -007 70000 - 14 4 5 93 ND<5 0 ND<5 0 111000 -- -- <br /> 4/12/2001 552 1266 000 -7 14 136 130000 -- 472 ND<2 5 ND<2 5 ND<7 5 198000 -- -- <br /> 7/23/2001 552 14 10 000 -858 -144 160000 ND<50 ND<50 ND<50 ND<150 174000 -- -- <br /> 8/16/2001 5 68 1460 000 -8 92 -034 -- <br /> 11/9/2001 <br /> -l1/9/2001 568 1556 000 -988 -096 ND<5000 -- ND<50 ND<50 ND<50 ND<50 140000 160000 80000 <br /> i <br /> 12/14/2001 5 68 1540 000 -972 0 16 26000 -- 6 4 633 319 227 28300 j <br /> 1/10/2002 5 68 13 70 000 -802 1 70 9200 - ND<12 5 ND<12 5 15 2 498 5450 -- -- <br /> 11192 Page 4 of 19 <br />