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a <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 8021B 8260B 8260B <br /> Elevation Elevation <br /> (feet) (feet) (feet) (feet) (feet) (µ911) (µg11) (µ9/l) (µg/1) (µg11) (µg/1) (µg11) (µg/1) (µg11) <br /> MW-3 continued <br /> 04/21/95 552 2458 0 00 -1906 197 <br /> 07/19/95 5 52 2369 000 -18 17 0 89 <br /> 10/20/95 5 52 2411 000 -1859 -042 520 -- 56 ND<0 50 2 2 14 410 -- -- <br /> D 10/20/95 552 2411 000 -1859 r -042 520 -- 4 7 ND<0 50 14 12 240 -- -- <br /> P 04/23/96 552 2080 000 -15 28 3 31 ND<500 -- 5 7 2 2 1 300 -- -- Pre-purge <br /> 04/23/96 5 52 2080 000 -1528 331 ND<500 -- 51 ND<0 5 10 5 280 -- -- <br /> D 04/23/96 5 52 2080 000 -1528 3 31 ND<500 -- 5 1 ND<0 5 12 4 240 -- -- <br /> 07/12/96 5 52 2150 000 -1598 -070 <br /> 10/18/96 5 52 2067 000 -15 15 0 83 480 -- 3 2 5 ND<l 0 ND<1 0 300 -- -- <br /> 02/26/98 5 52 1258 000 -706 809 1200 -- 1 ND<l 0 ND<1 0 ND<1 0 890 -- -- <br /> 07/07/98 5 52 1219 000 -6 67 039 6600 -- ND<0 5 ND<1 0 ND<l 0 1 1 8300 -- -- <br /> D 07/07/98 5 52 12 19 000 -6 67 039 6900 -- ND<0 5 ND<1 0 ND<l 0 1 1 8500 -- -- <br /> 01/19/99 5 52 13 10 000 -758 -091 12000 -- ND<5 0 ND<5 0 ND<5 0 ND<5 0 15000 -- -- <br /> 07/14/99 5 52 13 11 000 -759 -001 29000 -- ND<5 0 ND<5 0 20 30 38000 -- <br /> 10/07/99 5 52 1458 000 -906 -147 52000 -- ND<l 0 ND<1 0 87 1 1 35000 -- -- <br /> 01/20/00 552 1495 000 -943 -037 310 -- ND<0 5 3 4 3 1 29 56000 -- -- <br /> 04/11/00 552 15 10 000 -958 -0 15 3000 -- 6 7 ND<0 5 ND<0 5 1 1 96000 -- -- <br /> 07/14/00 552 1236 000 -684 274 3000 -- 76 ND<0 5 5 2 26 120000 -- -- <br /> 10/26/00 552 1395 000 -843 -159 2800 -- 58 ND<0 5 3 15 86000 -- -- <br /> 01/16/01 552 1402 000 -850 -007 70000 -- 144 593 ND<5 0 ND<5 0 111000 -- -- <br /> 04/12/01 552 1266 000 -714 1 36 130000 -- 472 ND<2 5 ND<2 5 ND<7 5 198000 -- -- <br /> 07/23/01 552 1410 000 -858 -144 160000 -- ND<50 ND<50 ND<50 ND<l50 174000 -- -- <br /> 08116101 569 1460 000 -992 -034 -- -- -- -- -- -- -- -- -- <br /> 11/09/01 5 68 1556 000 -988 -0 96 ND<5000 -- ND<50 ND<50 ND<50 ND<50 140000 160000 80000 <br /> 11192 Page 4 of 20 <br />