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Table 2 <br /> HISTORIC FLUID LEVELS AND SELECTED ANALYTICAL RESULTS } <br /> May 1990 Tltrough August 2004 <br /> Former BP Oil 11192 <br /> I <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 82608 benzene Xylenes 8021E 8260B 8260E <br /> Elevation Elevation <br /> (feet) (feet) (feet) (feet) (feet) (pg/l) (µgll) (pg/1) (1g/1) (pg/1) (14g/1) (µg/1) (nd) (µg11) <br /> MW-11 continued <br /> 05/21/04 5 18 1876 000 -13 58 -105 -- ND<250 ND<2 5 ND<2 5 ND<2 5 ND<5 0 4 5 1200 <br /> 08/10/04 518 2068 000 -1550 -192 - ND<1300 ND<13 ND<13 ND<13 ND<25 ND<13 12000 <br /> MW-12 <br /> 01/03/03 642 15 08 000 -866 -- -- ND<250 ND<2 5 ND<2 5 ND<2 5 ND<5 0 -- 220 1,700 <br /> 05/14/03 642 15 21 000 -879 -0 13 -- ND<50 ND<O 50 ND<O 50 ND<O 50 ND<O 50 - ND<2 0 2,200 <br /> 08/14/03 642 1667 000 -1025 -146 -- ND<50 ND<O 50 ND<O 50 ND<O 50 ND<l 0 - ND<2 0 180 <br /> 11/26/03 642 1757 000 -11 15 -090 -- ND<50 ND<O 50 055 ND<O 50 ND<1 0 ND<2 0 ND<100 <br /> 02/23/04 642 16 14 000 -972 143 -- ND<50 ND<O 50 ND<O 50 ND<O 50 ND<1 0 -- ND<2 0 ND<100 <br /> 05/21/04 642 15 72 000 -930 042 - ND<50 ND<O 50 ND<O 50 ND<O SO ND<1 0 1 0 ND<5 0 <br /> 08/10/04 642 1694 000 -1052 -122 -- ND<50 ND<O 50 ND<O 50 ND<O 50 ND<1 0 -- 057 ND<5 0 <br /> MW-13 <br /> 01/03/03 438 1427 000 -989 -- ND<5000 ND<50 ND<50 ND<50 ND<100 - 13,000 20,000 <br /> 05/14/03 438 13 38 000 -900 089 ND<50 ND<O 50 ND<O 50 ND<O 50 ND<O 50 - ND<2 0 ND<100 <br /> 08/14/03 438 1487 000 -1049 -149 - ND<50 ND<O 50 ND<O 50 ND<O 50 ND<l 0 -- ND<2 0 ND<100 <br /> 11/26/03 438 15 77 000 -1139 -090 ND<50 ND<O 50 ND<O 50 ND<O 50 ND<l 0 7 5 ND<100 <br /> 02/23/04 438 1445 000 -1007 1 32 ND<50 ND<O 50 ND<O 50 ND<O 50 ND<l 0 ND<2 0 ND<100 <br /> 05/21/04 4 38 1403 000 -9 65 042 ND<50 ND<O 50 ND<O 50 ND<O 50 ND<l 0 -- ND<O 50 ND<5 0 <br /> 08/10/04 438 Is 19 000 -1081 -1 16 -- ND<50 ND<O 50 ND<O 50 ND<O 50 ND<l 0 ND<O 50 ND<5 0 <br /> VW-2 <br /> 12/09/92 -- -- -- _- _- __ _ <br /> -- -- -- -- -- -- Dry <br /> 03/11/93 -- -- -- _- -- - Dry <br /> 06/15/93 -- - __ __ _- Dry <br /> 09/15/93 - - - - - - - - - Dry <br /> 12/22/93 -- -- <br /> 11192 Page 17 of 18 <br />