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i <br /> Table 2 <br /> HISTORIC FLUID LEVELS AND SELECTED ANALYTICAL RESULTS <br /> May 1990 Through August 2004 <br /> 11 <br /> Former BP 0[111192 <br /> j Date TOC Depth to LPH Ground- Change TPH-G TPPH Benzene Toluene Ethyl- Total MTBE MTBE Comments <br /> Sampled Elevation Water Thickness water in 8260B benzene Xylenes 8021B 9260B <br /> Elevation Elevation <br /> (feet) (feet) (feet) (feet) (feet) (µg/1) (µg/1) 11 (40) (µg/1) (µ9l1) (µg/1) (µ9J1) O g/1) <br /> MW-11 continued <br /> 11/15/02 518 1893 000 -13 75 -030 — 76 ND<O 50 053 ND<0 50 ND<O So -- 72 <br /> 01/03/03 518 1881 0 00 -1363 0 12 -- ND<50 ND<O 50 052 ND<O 50 ND<I 0 -- 130 <br /> 05/14/03 518 1706 000 .1188 175 — 120 ND<O 50 ND<O 50 ND<O 50 ND<O 50 -- 110 <br /> 08/14/03 5 18 1983 000 -1465 -277 -- ND<250 ND<2 5 ND<2 5 ND<2 5 77 67 <br /> 11/26/03 5 18 1951 000 -1433 032 -- 160 ND<I 0 ND<l 0 ND<I 0 24 -- 140 <br /> 02/23/04 5 18 1771 000 -1253 180 -- 260 ND<2 5 3 5 ND<2 5 6 7 -- 48 <br /> 05/21/04 5 18 1876 000 -1358 -105 -- ND<250 ND<2 5 ND<2 5 ND<2 5 ND<5 0 — 45 <br /> 08/10/04 5 18 2068 000 -1550 -192 ND<1300 ND<13 ND<13 ND<13 ND<25 — ND<13 <br /> MW-12 <br /> 01/03/03 642 1508 000 -866 — -- ND<250 ND<2 5 ND<2 5 ND<2 5 ND<5 0 220 <br /> 05/14/03 642 1521 000 -879 -0 13 -- ND<50 ND<O 50 ND<0 50 ND<O 50 ND<O 50 -- ND<2 0 <br /> 08/14/03 642 1667 000 -1025 -146 -- ND<50 ND<O 50 ND<O 50 ND<O 50 ND<I 0 -- ND<2 0 <br /> 11/26/03 6 42 1757 000 -11 15 -090 -- ND<50 ND<O 50 055 ND<O 50 ND<10 -- ND<2 0 <br /> 02/23/04 642 1614 000 -972 143 -- ND<50 ND<O 50 ND<O 50 ND<O 50 ND<l 0 -- ND<2 0 <br /> 05/21/04 642 15 72 000 -930 042 ND<50 ND<O 50 ND<O 50 ND<O 50 ND<l 0 — 10 <br /> 08/10/04 642 1694 000 -1052 -122 — ND<50 ND<O 50 ND<O 50 ND<O 50 ND<I 0 -- 057 <br /> MW-13 <br /> 01/03/03 438 1427 000 -989 -- NDt5,000 Nn<5,000 ND<50 ND<50 ND<50 ND<100 — 13,000 <br /> 05/14/03 438 1338 000 -900 0 89 ND<50 ND<50 ND<O 50 ND<O 50 ND<O 50 ND<O 50 — ND<2 0 <br /> 08/14/03 4 38 1487 000 -1049 -149 — ND<50 ND<O 50 ND<0.50 ND<O 50 ND<1 0 ND<2 0 <br /> 11/26/03 438 15 77 000 -1139 -090 -- ND<50 ND<O 50 ND<O 50 ND<O 50 ND<I 0 75 <br /> 02/23/04 438 1445 000 -1007 132 — ND<50 ND<O 50 ND<O 50 ND<O 50 ND<I 0 -- ND<2 0 <br /> 05/21/04 438 14 03 000 -9 65 042 — ND<50 ND<O 50 ND<O 50 ND<O 50 ND<l 0 -- ND<O 50 <br /> 08/10/04 438 15 19 000 -1081 -116 -- ND<50 ND<O 50 ND<O 50 ND<O 50 ND<I 0 -- ND<O 50 <br /> '11192 � Page 15� . <br />