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Table 2 HISTORIC FLUID LEVELS AND SELECTED ANALYTICAL RESULTS May 1990 Through February 2005 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 Thickness water in 8260B benzene Xylenes 8021B 82608 8260B Elevation Elevation (feet) (feet) (feet) (feet) (feet) (µg11) (µg/1) (µg11) (µg11) (µg/1) {µg11) (µg11) (µg11) (µg/1) MW-9 continued 05/31/02 4 26 1256 000 -830 -0 23 - ND<50 ND<0 50 ND<0 50 ND<0 50 ND<1 0 -- 22 ND<100 08/08/02 426 13 87 000 -961 -131 -- ND<50 ND<0 50 ND<0 50 ND<0 50 ND<0 50 -- 2 ND<20 11/15/02 426 1500 000 -1074 -1 13 - ND<50 ND<0 50 1 3 ND<0 50 056 -- 14 ND<100 01/03/03 426 1420 000 -994 0 80 - ND<50 ND<0 50 ND<0 50 ND<0 50 ND<1 0 - 30 ND<100 05/14/03 4 26 13 27 000 -901 093 ND<50 ND<0 50 ND<0 50 ND<0 50 ND<0 50 - ND<2 0 ND<100 08/14/03 426 1481 000 -1055 -154 -- ND<50 ND<0 50 ND<0 50 ND<0 50 ND<l 0 - ND<2 0 ND<100 11/26/03 426 15 72 000 -1146 -091 -- ND<50 ND<0 50 ND<0 50 ND<0 50 ND<l 0 -- ND<2 0 ND<100 02/23/04 426 1441 000 -10 15 131 -- ND<50 ND<0 50 ND<0 50 ND<0 50 ND<l 0 - ND<2 0 ND<100 05/21/04 426 1396 000 -970 045 - ND<50 ND<0 50 ND<0 50 ND<0 50 ND<1 0 - ND<0 50 ND<5 0 08/10/04 426 15 12 000 -1086 -1 16 -- ND<50 ND<0 50 ND<0 50 ND<0 50 ND<1 0 -- ND<0 50 ND<5 0 11/24/04 426 1570 000 -1144 -058 - ND<50 ND<0 50 ND<0 50 ND<0 50 ND<1 0 -- ND<0 50 ND<5 0 02/25/05 426 13 82 000 -956 1 88 - ND<50 ND<0 50 ND<6 50 ND<0 50 ND<1 0 -- ND<0 50 ND<5 0 MVV-10 08/16/01 4 06 13 07 000 -901 -- ND<50 -- ND<0 50 ND<0 50 ND<0 50 ND<0 50 ND<2 5 ND<2 0 ND<20 11/09/01 406 1401 000 -995 ND<50 - ND<0 50 ND<0 50 ND<0 50 ND<0 50 ND<5 0 ND<1 0 ND<20 02/18/02 406 1186 000 -7 80 -- ND<50 - ND<0 50 ND<0 50 ND<0 50 ND<0 50 ND<5 0 ND<2 0 ND<100 05/31/02 406 12 15 000 -809 -029 -- - ND<0 50 ND<0 50 ND<0 50 ND<1 0 ND<2 0 ND<100 08/08/02 406 1349 000 -943 -134 -- ND<50 ND<0 50 ND<0 50 ND<0 50 ND<0 50 ND<2 0 ND<20 11/15/02 406 1470 000 -1064 -121 ND<50 ND<0 50 14 ND<0 50 052 - ND<2 0 ND<100 01/03/03 4 06 13 79 000 -9 73 091 - ND<50 ND<0 50 ND<0 50 ND<0 50 ND<1 0 -- ND<2 0 ND<100 05/14/03 406 1285 000 -8 79 094 -- ND<50 ND<0 50 ND<0 50 ND<0 50 ND<0 50 -- ND<2 0 ND<100 08/14/03 406 1443 0 00 -1037 -158 -- ND<50 ND<0 50 ND<0 50 ND<0 50 ND<1 0 ND<2 0 ND<100 11/26/03 406 1529 000 -1123 -096 - 56 ND<0 50 081 ND<0 50 1 1 -- ND<2 0 ND<100 02/23/04 406 13 81 000 -9 75 148 - ND<50 ND<0 50 ND<0 50 ND<0 50 ND<1 0 -- ND<2 0 ND<100 11192 Page 16 of 18