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i <br /> Table 2 <br /> HISTORIC FLUID LEVELS AND SELECTED ANALYTICAL RESULTS <br /> May 1990 Through August 2004 <br /> Former BP Od 11192 <br /> Date TQC Depth to LPH Ground- Change TPH-G TPPH Benzene Toluene Ethyl- Total MTBE MTBE Comments <br /> Sampled Elevation Water Thickness water in 8260E benzene Xylenes 8021E 8260E <br /> Elevation Elevation <br /> (feet) (feet) (feet) (feet) (feet) (µg/1) (µg/1) (10) (µg/1) (µg11) (µg/!) (141) (µg/1) <br /> S-1 <br /> 02/18/02 519 1335 000 -816 <br /> 06/03/02 5 19 1358 000 -839 <br /> 08/08/02 519 1479 000 -960 -121 -- 1600 27 22 74 52 -- ND<5 0 <br /> 11/15/02 519 1592 000 -1073 -1 13 -- 920 23 1 1 17 48 -- ND<0 50 <br /> 01/03/03 5 19 15 13 000 -994 079 -- 1700 34 17 20 21 -- ND<5 0 <br /> 05114103 5 19 1461 000 -942 052 -- 1800 37 23 53 78 -- <br /> S-2 <br /> 02118/02 478 1274 000 -796 -- -- -. _ _ _ ._ .. _. <br /> 06/03/02 478 1300 000 -822 -- ._ -- _ .. .. ._ <br /> 08/08/02 478 1419 000 -941 -1 19 -- 7900 57 ND<2 0 390 190 -- 350 <br /> 11/15/02 478 1535 000 -1057 -116 -- 6600 42 ND<l 0 420 240 -- 250 <br /> 01/03/03 478 1456 000 -978 079 -- 13000 74 ND<2 5 810 650 400 <br /> 05/14/03 478 1395 000 -917 061 -- 15000 53 ND<2 5 900 760 -- -- <br /> S-3 <br /> 02118/02 532 1341 000 -809 -- -- -- -_ _ -_ _- <br /> 06/03/02 532 1365 000 -833 -- -- <br /> 08/08/02 532 1485 000 -953 -120 -- 170 ND<0 50 ND<0 50 ND<0 50 ND<0 50 -- ND<5 0 <br /> 11/15/02 532 1597 000 -1065 -112 -- 260 ND<0 50 ND<0 50 ND<0 50 ND<0 50 -- ND<0 50 <br /> 01/03/03 532 1526 000 -994 071 -- 360 ND<0 50 ND<0 50 ND<0 50 ND<0 50 -- ND<5 0 <br /> 05/14/03 532 1464 000 -932 062 — 180 ND<0 50 ND<0 50 ND<0 50 ND<0 50 <br /> S-A <br /> 02/18/02 531 1323 000 -792 __ _ _- <br /> 06/03/02 531 1378 000 -847 -- <br /> 08/08/02 531 1460 0 00 -929 -082 — ND<50 ND<0 50 ND<0 50 ND<0 50 ND<0 50 ND<5 0 <br /> 11192 Page 16 of 17 <br />