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i • i <br /> 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 to 8260B benzene Xylenes 8021B 8260B 8260B <br /> Elevation Elevation <br /> (feet) (feet) (feet) (feet) (feet) (µg11) (µg/1) (µg/1) (µg/1) (µg/l) (µg11) (µg/1) (µg11) (µg11) <br /> MW-7 continued <br /> 10/26/00 621 1415 000 -794 -164 2300 -- 2 8 ND<0 5 ND<0 5 ND<0 5 69000 -- -- <br /> 01/16/01 621 1403 000 -782 0 12 19000 455 1 73 ND<0 5 1 15 30300 -- -- <br /> 04/12/01 6 21 1272 000 -651 131 120000 -- 353 ND<2 5 ND<2 5 ND<7 5 147000 -- - <br /> 07/23/01 6 21 14 16 000 -795 -144 180000 -- ND<50 ND<50 ND<50 ND<150 233000 -- -- <br /> 08/16/01 569 1462 000 -893 -098 -- <br /> 11/09/01 5 69 1558 000 -9 89 -- ND<5000 - ND<50 ND<50 ND<50 ND<50 120000 110000 25000 <br /> I <br /> 12/14/01 569 1542 000 -9 73 0 16 25000 -- 153 0 809 3 75 624 23300 -- <br /> 01/10/02 <br /> -01/10102 569 13 69 000 -800 173 4600 -- 3 73 0 639 242 2 56 2660 -- -- <br /> 02/18/02 569 1358 000 -789 0 11 140 -- 11 ND<1 0 ND<1 0 ND<1 0 1700 800 220000 <br /> 05/31/02 569 13 77 000 -8 08 -019 -- ND<10000 ND<100 ND<100 ND<100 ND<200 -- ND<400 160000 <br /> 08/08/02 569 1508 000 -939 -131 -- 240 ND<0 50 ND<0 50 ND<0 50 ND<0 50 -- 92 130000 <br /> 11/15/02 5 69 1626 000 -1057 000 -- ND<5000 ND<50 ND<50 ND<50 ND<50 -- ND<200 160000 <br /> D 11/15/02 569 1626 000 -1057 -1 18 <br /> 01/03/03 569 1538 000 -969 000 __ ND<10000 ND<100 ND<100 ND<100 ND<200 -- ND<400 140000 <br /> D 01/03/03 5 69 15 38 000 -969 0 88 <br /> 05/14/03 569 1459 000 -890 079 __ ND<5000 ND<50 ND<50 ND<50 ND<50 -- ND<200 140000 <br /> D 05/14/03 569 1459 000 -890 000 <br /> 08/14/03 569 1607 000 -1038 -148 - ND<1000 ND<100 ND<100 ND<100 ND<200 -- ND<400 160000 <br /> D 08/14/03 569 1607 000 -1038 0 00 <br /> I <br /> 11/26/03 569 1697 000 -1128 -090 __ ND<20000 ND<200 ND<200 ND<200 ND<400 -- ND<800 160000 <br /> 02/23/04 569 15 63 000 -994 134 -- ND<10000 ND<100 ND<100 ND<100 ND<200 -- ND<400 100000 <br /> 05/21/04 569 15 18 000 -949 045 -- ND<to0o0 ND<100 ND<100 ND<100 ND<200 -- ND<100 100000 <br /> 08/10/04 569 1636 000 -1067 -1 18 -- ND<10000 ND<100 ND<100 ND<100 ND<200 -- ND<100 83000 <br /> 11/24/04 569 1693 000 -1124 -057 - ND<5000 ND<50 ND<50 ND<50 ND<100 -- ND<50 75000 <br /> 11192 Page 14 of 18 <br />