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0 ! <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 in 82608 benzene Xylenes 8021B 8260E 8260B <br /> Elevation Elevation <br /> (feet) (feet) (feet) (feet) (feet) (µg11) (µg/1) Gµg/1) (µg/1) (µg/1) (µg/1) (µg/1) (Ag/1) (µg11) <br /> MW-4 continued <br /> 12/22/93 6 75 28 33 000 -2158 0 17 ND<50 -- ND<O 5 ND<O 5 ND<0 5 ND<O 5 <br /> 04/01/94 6 75 2745 000 -20 70 0 88 <br /> 07/27/94 675 2746 000 -2071 -001 190 -- ND<O 5 ND<O 5 ND<O 3 ND<O 5 ND<5 0 -- -- <br /> 11/30/94 6 75 27 97 000 -2122 -051 <br /> 02/15/95 6 75 26 85 000 -2010 1 12 ND<50 -- ND<O 50 ND<O 50 ND<O 50 ND<l 0 -- _- -. <br /> 04/21/95 6 75 2477 000 -18 02 208 <br /> 07/19/95 6 75 24 07 000 -1732 070 ND<50 - ND<O 50 ND<O 50 ND<O 50 ND<1 0 -- -- -- <br /> P 10/20/95 675 -- -- -- -- ND<50 - ND<O 50 ND<O 50 ND<O 50 ND<l 0 ND<5 0 -- -- Pre-purge <br /> D 10/20/95 6 75 2450 000 -1775 000 ND<50 -- ND<O 50 ND<O 50 ND<O 50 ND<1 0 ND<5 0 -- -- <br /> P 04/23/96 675 -- -- -- -- ND<500 ND<O 5 ND<0 5 ND<O 5 ND<O 5 14 - -- Pre-purge <br /> D 04/23/96 675 21 13 000 -1438 3 37 ND<500 -- ND<O 5 ND<O 5 ND<O 5 ND<O 5 ND<10 -- -- <br /> 07/12/96 6 75 2042 000 -13 67 071 <br /> 10/18/96 6 75 1963 000 -12 88 0 79 130 ND<O 5 ND<l 0 ND<l 0 ND<1 0 ND<10 -- -- <br /> 02/26/98 675 1301 000 -626 662 ND<50 ND<O 5 ND<1 0 ND<l 0 ND<l 0 ND<10 -- -- <br /> 07/07/98 6 75 1261 000 -5 86 040 ND<50 -- ND<O 5 ND<1 0 ND<l 0 ND<l 0 ND<10 -- -- <br /> 01/19/99 6 75 1459 000 -784 -198 ND<50 -- ND<l 0 ND<l 0 ND<l 0 ND<l 0 26 -- - <br /> 07/14/99 6 75 13 55 000 -680 1 04 ND<50 - ND<l 0 ND<l 0 ND<1 0 ND<1 0 83 -- <br /> 10/07/99 675 1508 000 -8 33 -- 220 -- ND<1 0 ND<l 0 ND<1 0 ND<l 0 170 - - <br /> 01/20/00 6 75 1540 000 -8 65 -032 ND<50 ND<O 5 ND<O 5 ND<O 5 ND<O 5 320 - <br /> 04/11/00 6 75 1431 000 -756 109 ND<50 -- ND<O 5 ND<O 5 ND<O 5 ND<O 5 6 4 - <br /> 07/14/00 6 75 1302 000 -627 129 98 -- ND<O 5 ND<O 5 ND<0 5 ND<O 5 290 - - <br /> 10/26/00 6 75 1459 000 -7 84 -157 190 -- 2 1 9 0 7 3 2 1000 -- - <br /> 01/16/01 6 75 1441 000 -766 0 18 400 -- ND<O 5 ND<O 5 ND<O 5 ND<O 5 510 -- -- <br /> 04/12/01 6 75 1297 000 -622 1 44 400 -- ND<O 5 ND<0 5 ND<O 5 ND<1 5 544 -- -- <br /> 11192 Page 6 of 18 <br /> I <br />