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i <br /> Table 2 <br /> HISTORIC FLUTD 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 ITBA Comments <br /> Sampled Elevation Water Thickness water to 8260B benzene Xylenes 8021 B 8260E 8260E <br /> Elevation Elevation 11 <br /> (feet) (feet) (feet) (feet) (feet) (µg/l) (µg/I) (µg11) (µg11) (µg/1) (µg/1) {µg11) (µg/1) ,(µg11) <br /> MW-6 continued {{ <br /> 08/14/03 528 1543 000 -1015 000 -_ ND-50 ND<O 50 ND<0 50 ND<O 50 ND<l 0 ND<2 0 NID<100 <br /> D 08/14/03 5 28 15 43 000 -1015 -149 -- -- -- -- -- -- 11 <br /> 11/26/03 528 1629 000 -1101 -086 -- 50 ND<0 50 ND<O 50 ND<O 50 ND<l 0 -- 7 3 IND<100 <br /> I <br /> 02/23/04 5 28 1481 000 -953 148 -- ND<50 ND<O 50 ND<O 50 ND<0 50 ND<1 0 -- 3 1 ND<100 <br /> 05/21/04 5 28 1445 000 -9 17 036 -- ND<50 ND<O 50 ND<O 50 ND<O 50 ND<1 0 -- 079 ND<5 0 <br /> 08/10/04 528 1567 000 -1039 -122 -- ND<5 0 ND<O 50 ND<O 50 ND<O 50 ND<1 0 -- 2 2 ND<5 0 <br /> 11/24/04 528 1620 000 -1092 -053 ND<50 ND<O 50 ND<O 50 ND<O 50 ND<l 0 - ND<0 50 ND<5 0 <br /> MW-7 <br /> 08/05/91 6 21 3082 000 -2461 -- 70 -- 19 ND ND ND -- -- -- <br /> 08/15/91 6 21 - -- -- — __ -- _ -- -- <br /> 12/09/91 6 21 3136 000 -25 15 -- ND 19 ND 12 ND -- -- -- <br /> 03/09/92 6 21 3015 000 -2394 121 ND ND ND ND ND -- — - <br /> 06/19/92 6 21 3019 000 -2398 -0 04 ND<50 - ND<O 5 ND<O 5 ND<O 5 ND<O 5 -- -- <br /> 09/18/92 621 3198 000 -2577 -179 90 ND<0 5 ND<0 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 6 21 3233 000 -26 12 000 ND<50 - ND<O 5 ND<O 5 ND<O 5 ND<O 5 <br /> 03/11/93 6 21 2985 000 -23 64 248 110 3 1 0 8 22 14 — -- -- <br /> 06/15/93 6 21 2774 000 -2153 211 71 14 08 28 24 — -- -_ <br /> D 06/15/93 621 2774 000 -2153 000 120 19 ND<O 5 5 9 4 6 -- -- -- <br /> 09/15/93 6 21 28 16 000 -2195 000 170 - 1 2 ND<O 5 5 8 2 5 -- -- -- <br /> D 09/15/93 621 2816 000 -2195 -042 160 1 ND<O 5 55 2 6 — — -- <br /> 12/22/93 621 28 03 000 -2182 0 13 110 - 1 9 13 3 8 10 -- -- -- <br /> 04/01/94 621 2715 000 -2094 000 340 - 2 5 1 30 43 496 -- <br /> D 04/01/94 6 21 2715 000 -2094 088 330 -- 2 6 0 9 28 42 -- -- -- <br /> zt�sa Pagof 18 . _ <br />