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Table 2 <br /> HISTORIC FLUID LEVELS AND SELECTED ANALYTICAL RESULTS <br /> i <br /> May 1990 Through August 2004 <br /> Former BP Oil 11192 <br /> Date TOC Depth to LPH Ground- Change TPH-G TPPH Benzene Toluene Ethyl- Total MTBE MTBE Comments <br /> Sampled Elevation Water Thickness water in 8260B benzene Xylenes 8021B 8260B <br /> Elevation Elevation <br /> (feet) (feet) (feet) (feet) (feet) (µg/1) (ASA) (4g11) (µg11) (41) (µp,11) (µg/1) (µg/1) <br /> MW4 continued <br /> 07/14/00 675 1302 000 -627 129 98 -- ND<O 5 ND<0 5 ND<O 5 ND<O 5 290 -- <br /> 10/26/00 675 1459 000 -784 -157 190 — 2 19 07 32 1000 -- <br /> 01/16/01 675 1441 000 -766 018 400 — ND<O 5 ND<O 5 ND<O 5 ND<O 5 510 -- <br /> 04/12/01 675 1297 000 -622 144 400 -- ND<0 5 ND<O 5 ND<0 5 ND<1 5 544 -- <br /> 07/23/01 675 1468 000 -793 -171 440 -- ND<O 5 ND<O 5 ND<O 5 ND<l 5 610 — <br /> 08/16/01 621 1507 000 -886 -093 -- -- — _ __ — <br /> 11/09/01 621 1604 000 -983 — ND<50 — ND<O 50 ND<O 50 ND<O 50 ND<O 50 530 470 <br /> 12/14/01 621 1586 000 -965 018 650 -- ND<O 5 ND<O 5 ND<0 5 ND<1 0 612 -- <br /> 01/10/02 621 1400 000 -779 186 470 — ND<2 5 ND<2 5 ND<2 5 ND<5 0 383 -- <br /> 02/18/02 621 1392 000 -771 008 ND<50 -- ND<O 50 ND<O 50 ND<O 50 ND<O 50 44 55 <br /> 05/31/02 621 1412 000 -791 -020 -- ND<50 ND<O 50 ND<0 50 ND<0 50 ND<l 0 — 64 <br /> 08/08/02 621 1548 000 -927 — -- 220 ND<O 50 ND<O 50 ND<0 50 ND<0 50 — 270 <br /> 11/15/02 621 1695 000 -1064 -137 -- 150 ND<0 50 067 ND<O 50 064 — 150 <br /> 01/03/03 621 1579 000 -958 106 -- ND<50 ND<O 50 ND<O 50 ND<O 50 ND<l 0 — 130 <br /> 05/14/03 621 1493 000 -872 086 — ND<50 ND<O 50 ND<O 50 ND<O 50 ND<O 50 — 19 <br /> 08/14/03 621 1651 000 -1030 -158 — ND<50 ND<O 50 ND<O 50 ND<O 50 ND<1 0 — 42 <br /> 11/26/03 621 1837 000 -1216 -186 — I30 ND<O 50 070 ND<0 50 ND<l 0 — 71 <br /> 02/23/04 621 1587 000 -966 250 — ND<50 ND<O 50 ND<0 50 ND<O 50 ND<1 0 -- 20 <br /> 05121104 621 1550 000 -929 037 — 51 ND<O 50 ND<O 50 ND<0 SO ND<I 0 -- 28 <br /> 08/10/04 621 1673 000 -1052 -123 -- ND<50 ND<O 50 ND<O 50 ND<O 50 ND<1 0 -- 12 <br /> MW-5 <br /> i <br /> 08/05/91 6 15 3072 000 .2457 — — -- — _ — — <br /> 08/15191 615 -- — -_ <br /> 12/09/91 615 31 10 0 00 -2495 - -- -- -- -- — ». — _ <br /> 11192 Page 6 of 17 <br />