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Table 2 HISTORIC FLUID LEVELS AND SELECTED ANALYTICAL RESULTS May 1990 Through November 2004 Former BP Oil 11192 Date TOC Depth to LPH Ground- Change TPH-G TPPH, Benzene Toluene Ethyl- Total MTBE MTBE TBA Comments Sampled Elevation Water nickness water in 82608 benzene Xylenes 8021E 9260B 8211 2 60B Elevation Elevation fl (feet) (feet) (feet) (feet) (feet) (µg11) (µg11) (41) (µg/1) (µg11) (µg11) (µg11) (µg11) (11911) MW-9 continued11 11/26/03 426 1572 000 -1146 -091 -- ND<50 ND<O 50 ND<O 50 ND<O 50 ND<l 0 -- ND<2 0 ND<100 it 11 02/23/04 426 1441 000 -1015 131 — ND<50 ND<O 50 ND<O 50 ND<O 50 ND<l 0 — ND<2 0 ND<100 05/21/04 426 1396 000 -970 045 -- ND<50 ND<O 50 ND<O 50 ND<O 50 ND<l 0 -- ND<O 50 ND<5 0 OE/10/04 426 1512 000 -1086 -1 16 ND<50 ND<O 50 ND<O 50 ND<O 50 ND<l 0 -- ND<O 50 ND<5 0 it II 11/24/04 426_ 1570 000 -1144 -058 — ND<50 ND<O 50 ND<O 50 ND<O 50 ND MW-10 08/16/01 406 1307 000 -901 -- ND<50 ND<O 50 ND<O 50 ND<O 50 ND<O 50 ND<2 5 ND<2 0 ND<20 11 11/09/01 4 06 1401 000 -995 -- ND<50 -- ND<O 50 ND<O 50 ND<O 50 ND<O 50 ND<5 0 ND<l 0 ND<20 02/18/02 406 1186 000 -780 -- ND<50 -- ND<0 50 ND<O 50 ND<O 50 ND<O 50 ND<5 0 ND<2 OND<100 05/31/02 406 1215 000 -8 09 -029 -- - ND<O 50 ND<O 50 ND<O 50 ND<1 0 — ND<2 0 ND<100 08/08/02 4 06 1349 0 00 -943 -134 -- ND<50 ND<O 50 ND<O 50 ND<O 50 ND<O 50 -- ND<2 0 ND<20 11/15/02 4 06 1470 000 -10 64 -121 -- ND<50 ND<O 50 14 ND<O 50 052 -- ND<2 0 ND<100 01/03/03 4 06 13 79 000 -9 73 091 -- ND<50 ND<O 50 ND<O 50 ND<O 50 ND 05/14/03 406 1285 000 -879 094 -- ND<50 ND<O 50 ND<O 50 ND<O 50 ND<O 50 - ND<2 0ND<100 08/14/03 406 1443 000 -1037 -158 -- ND<50 ND<O 50 ND<O 50 ND<O 50 ND<l 0 -- ND<2 0 ND<100 11/26/03 4 06 1529 000 .1123 -086 -- 56�I ND<O 50 081 ND<O 50 1 1 -- ND<2 0 ND<100 02/23/04 406 13 81 000 -975 148 -- ND<50 ND-<0 50 ND<O 50 ND<O 50 ND<l 0 -- ND<2 0 ND<100 05/21/04 406 1348 000 -942 033 -- ND<50 ND<O 50 ND<O 50 ND<O 50 ND<l 0 -- ND<O 50 Ir,T<5 0 08/10/04 4 06 1468 000 -1062 -120 -- ND<50 ND<O 50 ND<O 50 ND<0 50 ND 11/24/04 4 06 1524 000 -11 18 -056 -- ND<5i6 ND<O 50 ND<O 50 ND<O 50 ND MW-11 08/16/01 5 18 1650 000 -1132 -- ND<50 - ND<O 50 ND<0 50 ND<O 50 ND<O 50 170 110 ND<20 1{}!04101 S 18 1825 000 -1307 -175 ND<50 -- ND<O 50 ND<O 50 ND<O 50 ND<O 50 280 200 ND<20 11/09/01 518 1824 000 -13 06 001 ND<50 ND<O 50 ND<O 50 ND<O 50 ND<O 50 170 140 160 11192 Page*18 ` I