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Table 2 <br /> HISTORIC FLUID LEVELS AND SELECTED ANALYTICAL RESULTS <br /> May 1990 Through November 2004 <br /> Former 8P 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 8260E benzene Xylenes 8021B 8260E 8260B <br /> Elevation Elevation <br /> (feet) (feet) (feet) (feet) (feet) (µg/1) (µg/1) (µg/l) (µgll) (µg/1) (41) (µg/]) (Agll) (41) <br /> MW-13 continued <br /> 02/18/02 5 18 1592 000 -1074 -- ND<50 — ND<0 50 ND<0 50 ND<0 50 ND<0 50 290 310 ND<200 <br /> 05/31/02 5 18 1661 000 -1143 -069 -- ND<50 ND<0 50 ND<0 50 ND<0 50 ND<1 0 -- 170 ND<100 <br /> 08/08/02 5 18 1863 000 -1345 -202 -- ND<2500 ND<25 ND<25 ND<25 ND<25 -- 91 ND<20 <br /> 11/15102 5 I8 1893 000 -1375 -030 - 76 ND<0 50 053 ND<0 50 ND<0 50 — 72 ND<100 <br /> 01/03/03 5 18 1881 000 -1363 0 12 -- ND<50 ND<0 50 052 ND<0 50 ND<I 0 -- 130 150 <br /> 05/14/03 5 18 1706 000 -1188 1 75 -- 120 ND<0 50 ND<0 50 ND<0 50 ND<0 50 -- 110 250 <br /> 08/14/03 5 18 1983 000 -1465 -277 -- ND<250 ND<2 5 ND<2 5 ND<2 5 7 7 — 67 2200 <br /> 11/26/03 5 18 1951 000 -1433 032 -- 160 ND<I 0 ND<l 0 ND<1 0 2 4 — 140 960 <br /> 02/23/04 5 I8 1771 000 -1253 180 -- 260 ND<2 5 3 5 ND<2 5 6 7 -- 48 3400 <br /> 05/21/04 5 18 1876 000 -1358 -105 -- ND<250 ND<2 5 ND<2 5 ND<2 5 ND<5 0 -- 4 5 1200 <br /> 08/10/04 5 18 2068 000 -1550 -192 -- ND<1300 ND<13 ND<13 ND<13 ND<25 -- ND<13 12000 <br /> 11/24/04 5 18 1987 000 -1469 081 -- ND<1300 ND<13 ND<13 ND<13 ND<25 -- ND<13 12000 <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 1700 <br /> 05/14/03 642 1521 000 -879 -0 13 -- ND<50 ND<0 50 ND<0 50 ND<0 50 ND<0 50 -- ND<2 0 2200 <br /> 08/14/03 642 1667 000 -1025 -146 -- ND<50 ND<0 50 ND<0 50 ND<0 50 ND<I 0 -- ND<2 0 180 <br /> 11/26/03 642 1757 000 -11 15 -090 -- ND<50 ND<0 50 055 ND<0 50 ND<1 0 -- ND<2 0 ND<100 <br /> 02/23/04 642 1614 000 -972 143 -- ND<50 ND<0 50 ND<0 50 ND<0 50 ND<1 0 -- ND<2 0 ND<100 <br /> 0512I/04 642 1572 000 -930 042 _ ND<50 ND<0 50 ND<0 50 ND<0 50 ND<l 0 -- 10 ND<5 0 <br /> 08/10/04 642 1694 000 -1052 -122 ND<50 ND<0 50 ND<0 50 ND<0 50 ND<1 0 - 057 ND<5 0 <br /> 11/24/04 642 1751 000 -1109 -057 -- ND<50 ND<0 50 ND<0 50 ND<0 50 ND<1 0 -- ND<0 50 ND<5 0 <br /> MW-13 <br /> 01/03/03 439 1427 000 -989 -- - ND<5000 ND<50 ND<50 ND<50 ND<100 -- 13000 20000 <br /> 05/14/03 438 1338 000 -900 089 -- ND<50 ND<0 50 ND<0 50 ND<0 50 ND<0 50 ND<2 0 ND<100 <br /> 192 Page 17 of 18 <br />