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Table 2 <br /> HISTORIC FLUID LEVELS AND SELECTED ANALYTICAL RESULTS <br /> February 1990 Through March 2005 <br /> Former 76 Station 6981 <br /> 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 8260B <br /> Elevation Elevation <br /> (feet) (feet) (feet) (feet) (feet) (µg11) (µg/1) {µg11) (µg/1) 41g/1) W/1) (µg11) (µg/1) <br /> PTW-1 continued <br /> 03/07/01 11 88 2837 000 -1649 028 ND<SO 0 -- ND<O 500 ND<0 500 ND<0 500 ND<o 500 ND<5 0 ND<2 0 <br /> 06/26/01 11 88 2936 000 -1748 -099 ND<50 -- ND<O 50 ND<O 50 ND<O 50 ND<O 50 12 18 <br /> 09/12/01 11 88 31 32 000 -1944 -196 ND<50 -- ND<O 50 ND<O 50 ND<O 50 ND<O 50 15 20 <br /> 12/12/01 11 88 3155 000 -1967 -023 ND<50 -- ND<O 50 ND<0 50 ND<O 50 ND<O 50 ND<5 0 75 <br /> 03/20/02 11 88 3034 000 -1846 121 ND<50 -- ND<O 50 ND<O 50 ND<O 50 ND<O 50 ND<S 0 ND<2 0 <br /> 06/06/02 11 88 3082 000 -1894 -049 ND<50 ND<O 50 14 ND<O 50 14 -- ND<2 0 <br /> 09/30/02 11 88 33 35 000 -2147 -253 - ND<50 079 14 ND<O 50 2 -- 36 <br /> 12/30/02 1188 32 92 000 -2104 043 -- ND<50 ND<O 50 ND<O 50 ND<O 50 ND<1 0 -- ND<2 0 <br /> 03/29/03 11 88 3197 000 -2009 095 -- ND<50 ND<O 50 ND<O 50 ND<O 50 ND<1 0 -- ND<2 0 <br /> 06125103 11 88 3226 000 -2038 -029 -- ND<50 ND<O 50 ND<O 50 ND<O 50 ND<1 0 -- ND<2 0 <br /> 09/24/03 11 88 3456 000 -2268 -2 30 -- ND<50 ND<O 50 ND<O 50 ND<O 50 ND<1 0 -- ND<2 0 <br /> 12/30/03 11 88 34 15 000 -2227 041 -- 54 ND<O 50 ND<O SO ND<O SO ND<1 0 -- ND<2 0 <br /> 03/09/04 11 88 33 12 000 -21 24 1 03 -- ND<SO ND<O 50 093 ND<O 50 14 -- ND<2 0 <br /> 06/16/04 11 88 33 80 000 -21 92 -068 -- ND<50 ND<O 50 ND<O 50 ND<O 50 ND<l 0 -- ND<O 50 <br /> 09/20/04 11 88 3673 000 -2485 -293 ND<50 -- ND<O 50 ND<O 50 ND<O 50 ND<l 0 -- ND<O 50 <br /> 12/30/04 11 88 3608 000 -2420 065 ND<50 -- ND<O 50 ND<O 50 ND<O 50 19 -- ND<O 50 <br /> 03/24/05 11 88 3465 000 -2277 1 43 ND<50 -- ND<O 50 ND<O 50 ND<O 50 ND<l 0 ND<O 50 <br /> VW-1 (Screen Interval in feet 24 549 5) <br /> 07124/96 - 3827 000 -- 180 -- 1 9 1 9 16 77 130 -- <br /> 10/23/96 - -- -- -- -- -- -- _ Sampled Semi-annually <br /> 01/21/97 -- 3647 000 -- -- ND<50 - ND<O 5 ND<O 5 ND<O 5 ND<O 5 ND<5 0 - <br /> 07/16/97 -- 33 89 000 -- -- ND<50 -- ND<0 5 ND<O 5 ND<O 5 ND<O 5 ND<5 0 -- <br /> 10/15/97 -- 3572 000 - -- ND<50 -- ND<O 5 ND<O 5 ND<O 5 ND<O 5 ND<5 0 ND<2 0 <br /> 12/08/97 -- 35 62 000 <br /> 6981 Page 29 of 36 <br />