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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 in 8260E benzene Xylenes 8021B 8260B 8260B <br /> Elevation Elevation <br /> (feet) (feet) (feet) (feet) (feet) (µg/1) (µg/1) (µg1!) (µg/1) (µg/1) (µg/1) (µg11) (µg/1) (µg/1) <br /> P MW-3 continued <br /> P 04/23/96 5 52 -- -- -- -- ND<500 5 7 2 2 1 300 -- -- Pre-purge <br /> 04/23/96 5 52 20 80 000 -15 28 3 31 ND<500 -- 5 1 ND<0 5 10 5 280 -- -- <br /> D 04/23/96 5 52 2080 000 -1528 000 ND<500 -- 5 1 ND<0 5 12 4 240 - -- <br /> 07/12/96 552 2150 000 -15 98 -070 -- __ _- __ <br /> 10/18/96 5 52 2067 000 -15 15 0 83 480 -- 3 2 5 ND<1 0 ND<1 0 300 <br /> 02/26/98 552 1258 000 -706 809 1200 -- 1 ND<l 0 ND<l 0 ND<l 0 890 -- -- <br /> 07/07/98 552 1219 000 -667 039 6600 - ND<0 5 ND<1 0 ND<1 0 1 1 8300 -- <br /> D 07/07/98 552 1219 000 -667 000 6900 -- ND<0 5 ND<1 0 ND<1 0 1 1 8500 - -- <br /> 01/19/99 552 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 -9 06 -- 52000 -- ND<1 0 ND<l 0 8 7 1 1 35000 -- <br /> 01/20/00 5 52 14 95 000 -943 -037 310 -- ND<0 5 3 4 3 1 2 9 56000 -- -- <br /> 04/11/00 552 15 10 000 -958 -0 15 3000 -- 6 7 ND<0 5 ND<0 5 1 l 96000 - <br /> 07/14/00 552 1236 000 -684 2 74 3000 - 7 6 ND<0 5 5 2 2 6 120000 - - <br /> 10/26/00 552 13 95 000 -843 -159 2800 - 5 8 ND<0 5 3 1 5 86000 - -- <br /> 01/16/01 5 52 1402 000 -850 -007 70000 - 144 5 93 N1X5 0 ND<5 0 111000 - <br /> 04/12/01 5 52 1266 000 -714 1 36 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 -988 -- ND<5000 -- ND<50 ND<50 ND<50 ND<50 140000 160000 80000 <br /> 12/14/01 5 68 15 40 000 -972 0 16 26000 -- 6 4 633 319 227 28300 -- -- <br /> 01/10/02 5 68 13 70 000 -802 1 70 9200 -- ND<12 5 ND<12 5 152 498 5450 -- -- <br /> 02/18/02 5 68 1356 000 -788 0 14 -- 150 12 ND<l 2 ND<l 2 ND<l 2 1600 460 240000 <br /> 05/31/02 568 1374 000 -806 -0 18 -- ND<10000 ND<100 ND<100 ND<100 ND<200 -- ND<100 190000 <br /> 11192 Page 4 of 18 <br />