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Table 2 <br /> HISTORIC FLUID LEVELS AND SELECTED ANALYTICAL RESULTS <br /> May 1990 Through February 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 8260E benzene Xylenes 8021B 8260B 82608 <br /> Elevation Elevation <br /> (feet) (feet) (feet) (feet) (feet) (µg/1) (41) (µg11) (µg11) (µg11) (µg/1) (41) {1g11) (µg11) <br /> P MW-3 continued <br /> P 04/23/96 5 52 -- - -- ND<500 -- S 7 2 2 1 300 -- Pre-purge <br /> 04/23/96 5 52 20 80 000 -1528 3 31 ND<500 -- 5 1 ND<6 5 10 5 280 -- -- <br /> D 04/23/96 5 52 20 80 000 -15 28 000 ND<500 -- 5 1 ND<0 5 12 4 240 - -- <br /> 07/12/96 S 52 21 50 000 -15 98 -070 <br /> 10/18/96 5 52 20 67 000 -15 15 0 83 480 -- 3 2 5 ND<I 0 ND<1 0 300 -- <br /> 02/26/98 5 52 1258 000 -706 809 1200 -- 1 ND<1 0 ND<l 0 ND<1 0 890 <br /> 07/07/98 5 52 12 19 000 -667 0 00 6600 -- ND<0 5 ND<1 0 ND<1 0 1 1 8300 -- - <br /> D 07/07/98 5 52 12 19 000 -667 039 6900 ND<O 5 ND<1 0 ND<1 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 V 1 000 -7 59 -0 01 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<1 0 8 7 1 1 35000 - -- <br /> 01/20/00 5 52 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<O 5 ND<O 5 1 1 96000 -- -- <br /> 07/14/00 552 1236 0 00 -6 84 2 74 3000 -- 7 6 ND<O 5 52 2 6 120000 -- - <br /> 10/26/00 5 52 13 95 000 -843 -1 59 2800 -- 5 8 ND<O 5 3 1 5 86000 -- - <br /> 01/16/01 5 52 1402 000 -8 50 -007 70000 -- 14 4 5 93 ND<5 0 ND<5 0 111000 <br /> 04/12/01 5 52 1266 000 -7 14 1 36 130000 -- 472 ND<2 5 ND<2 5 ND<7 5 198000 -- - <br /> 07/23/01 5 52 14 10 000 -8 58 -1 44 160000 - ND<50 ND<50 ND<50 ND<150 174000 -- - <br /> 08/16/01 5 68 1460 000 -892 -034 <br /> 11/09/01 568 15 56 000 -9 88 - ND<5000 -- ND<50 ND<50 ND<50 ND<50 140000 160000 80000 <br /> 12/14/01 568 1540 000 -9 72 0 16 26000 6 4 6 33 319 227 28300 -01/10102 568 13 70 000 -802 1 70 9200 - ND<12 5 ND<12 5 15 2 49 8 5450 - - <br /> 02/18/02 5 68 13 56 000 -7 88 0 14 -- ISO 12 ND<1 2 ND<1 2 ND<1 2 1600 460 240000 <br /> 05/31/02 5 68 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 />