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4 <br /> Table 2 <br /> HISTORIC FLUID LEVELS AND SELECTED ANALYTICAL RESULTS <br /> May 1990 Through August 2004 <br /> Farmer 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 8260E benzene Xylenes 8021B 8260E <br /> Elevation Elevation <br /> (feet) (feet) (feet) (feet) (feet) (41) (Ag/1) (µg11) (1211) (µg/1) (µg11) (µg11) (µg/1) <br /> MW-7 continued <br /> 07/26/99 621 1330 000 -709 -017 21000 -- ND<l 0 ND<1 0 72 24 18000 -- <br /> 10/07/99 6 21 1464 000 -843 -134 33000 -- ND<1 0 ND<1 0 1 1 ND<1 0 19000 -- <br /> 01/20/00 621 15 15 000 -894 -051 200 16 ND<O 5 ND<O 5 ND<O 5 25000 -- <br /> 04/11/00 621 1540 000 -919 -025 2500 -- 3 3 ND<0 5 ND<O 5 053 63000 — <br /> 07/14/00 621 1251 000 -630 2 89 2500 -- 3 8 ND<0 5 41 1 55000 — <br /> 10/26/00 621 1415 0 00 -794 -164 2300 — 2 8 ND<O 5 ND<O 5 ND<O 5 69000 -- <br /> 01/16/01 621 14 03 000 .782 012 19000 -- 455 173 ND<0 5 115 30300 -- <br /> 04/12/01 6 21 1272 000 -651 131 120000 — 353 ND<2 5 ND<2 5 ND<15 147000 — <br /> 07/23/01 6 21 1416 000 -795 -144 180000 -- ND<50 ND<50 ND<50 ND<150 233000 -- <br /> 08/16/01 569 1462 000 -893 -098 — <br /> 11/09/01 569 1558 000 -989 — ND<5,000 _. ND<50 ND<50 ND<50 ND<50 120000 110000 <br /> 12/14/01 569 1542 000 -9 73 0 16 25000 -- 1 53 0 809 3 75 6 24 23300 <br /> i -- <br /> 01/10/02 5 69 1369 0 00 -800 173 4600 -- 3 73 0 639 242 256 2660 -- <br /> 02/18/02 5 69 1358 000 -789 Oil 140 -- 11 ND<1 0 ND<1 0 ND<1 0 1700 800 <br /> 05/31/02 569 13 77 000 -808 -019 -- ND<10,000 ND<100 ND<100 ND<100 ND<200 -- ND<400 <br /> 08/08/02 5 69 1508 000 -939 -- -- 240 ND<0 50 ND<O 50 ND<O 50 ND<O 50 -- 92 <br /> 11/15/02 569 1626 000 -1057 -1 18 ND<5,000 ND<50 ND<50 ND<50 ND<50 -- ND<200 <br /> 01/03/03 569 1538 0 00 -969 088 -- ND<10,000 ND<100 ND<100 ND<100 ND<200 -- ND<400 <br /> 05/14/03 569 1459 000 -890 079 -- ND<5,000 ND<50 ND<50 ND<50 ND<50 -- ND<200 <br /> 08/14/03 569 1607 000 -1038 -148 — ND<0000 ND<100 ND<l00 ND<100 ND<200 -- ND<400 <br /> 11/26/03 569 1697 000 -1128 -090 -- NU<2()m ND<200 ND<200 ND<200 ND<400 — ND<800 <br /> 02/23/04 5 69 2563 000 -994 134 ,- ND<10000 ND<100 ND<100 ND<100 ND<200 -- ND<400 <br /> 05/21/04 5 69 15 18 000 -949 0 45 -- ND<10000 ND<100 ND<100 ND<100 ND<200 -- ND<100 <br /> 08/10/04 5 69 1636 000 -1067 -1 18 -- ND<10000 ND<100 ND<100 ND<100 ND<200 -- ND<100 <br /> 11192 Page 12 of 17 <br />