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i <br /> Table 2 <br /> HISTORIC FLUID LEVELS AND SELECTED ANALYTICAL RESULTS <br /> May 1990 Through August 2005 <br /> Former BP Oil 11192 <br /> Date TOC Depth to LPH Ground- Change TPH-G TPM Benzene Toluene Ethyi- 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) (µg/1) (µg11) (µg/1) (µg11) (µg/1) (µg/1) (µg11) (µg/1) W/1) <br /> MW-3 continued <br /> 07/19/95 5 52 2369 000 -1817 089 -- <br /> 10/20/95 5 52 24 11 000 -1859 -042 520 - 56 ND<O 50 2 2 1 4 410 -- -- <br /> D 10/20/95 552 2411 000 -1859 -042 520 -- 4 7 ND<O 50 14 12 240 - -- <br /> P 04/23/96 5 52 20 80 000 -1528 331 ND<500 57 2 2 1 300 -- Pre-purge <br /> 04/23/96 5 52 2080 0 00 -1528 3 31 ND<500 - 5 1 ND<O 5 10 5 280 -- -- <br /> D 04/23/96 5 52 2080 000 -1528 331 ND<500 - 5 1 ND<O 5 12 4 240 --07/12/96 5 52 2150 0 00 -1598 -070 — <br /> 10/18/96 5 52 2067 000 -15 15 083 480 -- 3 2 5 ND<l 0 ND<1 0 300 -- -- <br /> 02/26/98 5 52 1258 000 -706 809 1200 -- 1 ND<1 0 ND<1 0 ND<1 0 890 -- -- <br /> 07/07/98 552 1219 000 -6 67 039 6600 -- ND<O 5 ND<I 0 ND<l 0 1 1 8300 -- -- <br /> I <br /> D 07/07/98 5 52 12 19 000 -667 039 6900 -- ND<O 5 ND<l 0 ND<1 0 1 l 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 0 00 -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<l 0 87 1 1 35000 -- - <br /> 01/20/00 5 52 1495 000 -943 -037 310 - ND<O 5 3 4 3 1 2 9 56000 -- -- <br /> 04/11/00 5 52 15 10 000 -958 -015 3000 - 6 7 ND<O 5 ND<O 5 1 1 96000 -- -- <br /> 07/14/00 5 52 1236 000 -684 2 74 3000 -- 7 6 ND<O 5 5 2 2 6 120000 -- <br /> 10/26/00 5 52 1395 000 -843 -159 2800 58 ND<O 5 3 1 5 86000 -- -- <br /> 01/16/01 5 52 1402 000 -850 -007 70000 -- 14 4 5 93 ND<5 0 ND<5 0 111000 -- -- <br /> 04/12/01 5 52 1266 000 -7 14 136 130000 -- 472 ND<2 5 ND<2 5 ND<7 5 198000 -- - <br /> 07/23/01 5 52 1410 000 -858 -144 160000 - ND<50 ND<50 ND<50 ND<150 174000 -- - <br /> 08/16/01 568 1460 000 -892 -034 <br /> 11/09/01 5 68 15 56 000 -998 -096 ND<5000 - ND<50 ND<50 ND<50 ND<50 t40000 160000 80000 <br /> 12/14/01 568 1540 000 -9 72 0 16 26000 - 64 6 33 319 227 28300 - -- <br /> 11192 • Pao 20 . , <br />