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i i i <br /> Table 2 ` <br /> HISTORIC FLUID LEVELS AND SELECTED ANALYTICAL RESULTS <br /> May 1990 Through February 2005 <br /> Former BP 011 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 8260B benzene Xylenes 8021B 8260B 8260B <br /> Elevation Elevation <br /> (feet) (feet) (feet) (feet) (feet) (41) (µg11) (µg/l) (µg/1) (µg/1) (µgll) (µg11) (µg11) (µg11) <br /> MW-6 continued <br /> 05/14/03 5 28 1394 000 -866 0 00 -- ND<50 ND<0 50 ND<0 50 ND<0 50 ND<O 50 -- ND<2 0 ND<100 <br /> D 05/14/03 5 28 13 94 000 -866 081 <br /> 08/14/03 5 28 1543 000 -1015 000 - ND<50 ND<O 50 ND<O 50 ND<O 50 ND<I 0 -- ND<2 0 ND<100 <br /> D 08/14/03 528 1543 000 -10 15 -149 -- -- - -- __ <br /> 11/26/03 5 28 1629 000 -1101 -086 - 50 ND<O SO ND<O 50 ND<O 50 ND<l 0 -- 7 3 ND<100 <br /> 02/23/04 5 28 1481 000 -9 53 148 -- ND<50 ND<O 50 ND<O 50 ND<O 50 ND<l 0 -- 3 1 ND<100 <br /> 05/21/04 5 28 1445 000 -9 17 0 36 -- ND<50 ND<O SO ND<O 50 ND<O 50 ND<1 0 -- 079 ND<5 0 <br /> 08/10/04 5 28 15 67 000 -1039 -1 22 -- ND<50 ND<O 50 ND<O 50 ND<O 50 ND<l 0 -- 2 2 ND<5 0 <br /> 11124/04 5 28 1620 000 -1092 -053 -- ND<50 ND<O 50 ND<O 50 ND<O 50 ND<l 0 -- ND<O 50 ND<5 0 <br /> 02/25/05 5 28 14 16 000 -888 204 -- ND<50 ND<O 50 ND<O 50 ND<O 50 ND<l 0 ND<O 50 ND<5 0 <br /> M1'1'-7 <br /> 08/05/91 6 21 3082 000 -2461 -- 70 - 19 ND ND ND -- -- -- <br /> 08/15/91 621 -- -- -- -- - -- - -- - - <br /> 12/09/91 6 21 31 36 000 -25 15 -- ND -- 19 ND 1 2 ND -- -- <br /> 03/09/92 6 21 30 15 000 -23 <br /> -23 94 121 ND ND ND ND ND -- <br /> 06/19/92 621 30 19 000 -23 98 -0 04 ND<50 - ND<O 5 ND<O 5 ND<O 5 ND<O 5 -- -- -- <br /> 09/18/92 621 3198 000 -25 77 -1 79 90 - ND<O 5 ND<O 5 ND<O 5 ND<O 5 -- -- -- <br /> 12/09/92 621 3233 000 -26 12 -035 ND<50 - ND<O 5 ND<O 5 ND<O 5 ND<O 5 -- -- <br /> D 12/09/92 621 3233 000 -26 12 000 ND<50 ND<O 5 ND<O 5 ND<O 5 ND<O 5 - <br /> 0311 1/93 621 29 85 000 -23 64 248 110 - 3 1 08 2 2 1 4 - - -- <br /> 06/15/93 6 21 2774 000 -21 53 000 71 14 08 28 2 4 - -- <br /> D 06/15/93 621 27 74 000 -2153 211 120 1 9 ND<O 5 5 9 4 6 -- - -- <br /> 09/15/93 621 28 16 000 -21 95 000 170 -- 1 2 ND<O 5 5 8 25 -- -- -- <br /> D 09/15/93 621 28 16 000 -2195 -042 160 -- 1 ND<O 5 5 5 2 6 - -- -- <br /> 11192 Page 12 of 18 <br />