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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 TPPII Benzene Toluene Ethyl- Total MTBE MTBE TBA Comments <br /> Sampled Elevation Water Thickness water in 8260B benzene Xylenes 8021B 8260E 8260B <br /> Elevation Elevation <br /> (feet) (feet) (feet) (feet) (feet) (41) (µg/1) (14g/1) (41) (41) (µg/1) (41) (µg/1) (4g/1) <br /> MW-3 continued <br /> 01/10/02 568 13 70 000 -802 1 70 9200 -- ND<12 5 ND<12 5 152 498 5450 -- -- <br /> 02/18/02 568 13 56 000 -788 0 14 -- 150 12 ND<1 2 ND<1 2 ND<l 2 1600 460 240000 <br /> 05/31/02 5 68 1374 000 -806 -018 __ ND<10000 ND<100 ND<100 ND<100 ND<200 - ND<100 190000 <br /> 08/08/02 5 68 1506 000 -938 -132 -- ND<2500 ND<25 ND<25 ND<25 ND<25 - 62 240000 <br /> 11/15/02 5 68 1664 000 -1096 -158 - ND<12000 ND<120 ND<120 ND<120 ND<120 -- ND<500 180000 <br /> 01/03/03 568 1536 000 -968 128 -- ND<i0000 ND<100 hD<100 ND<100 ND<200 - ND<400 150000 <br /> D 01/03/03 5 68 15 36 000 -968 128 -- -- .. -- .. __ <br /> 05/14/03 568 1454 000 -886 082 -- ND<5000 ND<50 ND<50 ND<50 ND<50 -- ND<200 120000 <br /> D 05/14/03 568 1454 000 -886 082 -- -- __ __ __ __ __ -- <br /> 08/14/03 568 1604 000 -1036 -150 .. ND<10000 ND<100 ND<100 ND<100 ND<200 -- ND<400 150000 <br /> D 08/14/03 568 1604 000 -1036 -150 -- -- -- -- -- -- - -- <br /> I t/26/03 <br /> -11/26/03 568 1696 000 -1128 -092 -- NDa0000 ND<100 ND<100 ND<100 ND<200 -- ND<400 150000 <br /> 02/23/04 569 1560 000 -992 136 __ ND<10000 ND<100 ND<100 ND<100 ND<200 - ND<400 98000 <br /> 05/21/04 568 15 13 000 -945 047 -- ND<10000 ND<100 ND<100 ND<100 ND<200 -- ND<100 90000 <br /> 08/10/04 5 68 1634 000 -1066 -1 21 -- ND<10000 ND<100 ND<100 ND<100 ND<200 -- ND<100 66000 <br /> 11/24/04 5 68 1611 000 -1043 023 -- ND<5000 ND<50 ND<50 ND<50 ND<100 -- ND<50 60000 <br /> 02/25/05 568 1500 000 -932 1 11 -- ND<5000 ND<0 50 ND<0 50 ND<0 50 ND<1 0 -- ND<50 36000 <br /> 05/27/05 5 68 13 71 000 -803 129 -- ND<5000 ND<0 50 ND<0 50 ND<0 50 ND<1 0 -- ND<50 24000 <br /> 08/26/05 5 68 1528 000 -960 -157 -- 300 ND<0 50 ND<0 50 ND<0 50 ND<1 0 - 1 8 25000 <br /> I <br /> MW-4 <br /> 05/01/90 675 26 31 000 -1956 -- -- -- -- -- - -- <br /> 08/05/91 675 -- -- -- -- -- -- Dry <br /> 12/09/91 675 -- -- __ __ -- -- -- -- -- - Dry <br /> 03/09/92 675 -- -- — -- -- -- -- Dry <br /> 11192 Page 5 of 20 <br />