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Table 2 <br /> HISTORIC FLUID LEVELS AND SELECTED ANALYTICAL RESULTS <br /> February 1990 Through June 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 8021 B 8260B <br /> Elevation Elevation <br /> (feet) (feet) (feet) (feet) (feet) (µg11) (µg11) (µg/]) (µg/i) (µg11) (µg11) (µg11) (µg11) <br /> MW-11 wntmued <br /> 07/24/96 I 1 23 38 91 000 -2768 -036 ND<50 -- ND<0 5 ND<0 5 ND<0 5 ND<0 5 ND<5 0 - <br /> 10/23/96 1123 4064 000 -2941 -173 ND<50 -- ND<0 5 ND<0 5 ND<0 5 ND<0 5 ND<5 0 -- <br /> 01/20l97 1 1 23 37 18 000 -25 95 346 ND<50 -- ND<0 5 ND<0 5 ND<0 5 ND<0 5 ND<5 0 -- <br /> 07/16/97 -- -- -- __ <br /> -- -- -- -- -- -- -- -- -- Paved Over <br /> 10/15/97 -- -- - <br /> -- -- '- -- -- -- -- -- -- -- Paved Over <br /> 12/08/97 -- -- <br /> -- -- '- -- -- - Paved Over <br /> 03/05/98 -- -- -- __ <br /> -- -- -- -- - Inaccessible <br /> 03/16/98 11 23 3152 000 -2029 -- 240 -- 9 7 16 2 3 12 3 2 ND<10 <br /> 05/27/98 11 23 2894 000 -1771 258 230 -- 13 17 4 4 16 85 17 <br /> 07/21/98 1123 2885 000 -1762 009 ND<50 ND<0 50 ND<0 50 ND<0 50 ND<0 50 ND<5 0 ND<2 0 <br /> 10/14/98 1123 2982 000 -1859 -097 ND<50 -- ND<0 50 ND<0 50 ND<0 50 ND<0 50 ND<2 5 ND<2 0 <br /> 01/25/99 1123 28 74 000 -1751 108 ND<50 -- ND<0 50 ND<0 50 ND<0 50 0 82 ND<2 5 ND<2 0 <br /> 04/19/99 1123 2646 000 -1523 228 ND<50 -- ND<0 50 ND<0 50 ND<0 50 ND<0 50 ND<2 5 ND<2 0 <br /> 07/15/99 1123 2776 000 -1653 -130 ND<50 -- ND<0 50 ND<0 50 ND<0 50 ND<0 50 ND<2 5 ND<2 0 <br /> 10/25/99 1123 2944 000 -1821 -168 ND<50 -- ND<0 50 ND<0 50 056 099 ND<2 5 ND<2 0 <br /> 01/27/00 1123 28 83 000 -1760 0 61 ND<50 - ND<0 50 ND<0 50 ND<0 50 ND<0 50 ND<2 5 4 <br /> 06/26/00 11 23 2625 000 -15 02 2 58 ND<50 0 - ND<0 500 ND<0 500 ND-0 500 ND<0 500 ND<5 0 ND<2 0 <br /> 09/22/00 1123 2876 000 -1753 -251 ND<50 -- ND<0 50 1 3 ND<0 50 14 ND<2 5 ND<2 0 <br /> 12/26/00 11 23 2858 000 -1735 0 18 ND<50 0 -- ND<0 500 ND<0 500 ND<0 500 ND<O 500 ND<5 0 ND<2 0 <br /> 03/07/01 11 23 2825 000 -1702 033 ND<50 0 -- ND<0 500 187 ND<a 500 156 ND<5 0 ND<2 0 <br /> 06/26/01 11 23 2927 000 -1804 -102 ND<50 -- ND<0 50 ND<0 50 ND<0 50 ND<0 50 ND<5 0 ND<2 0 <br /> 09/12/01 11 23 3121 000 -1998 -1 94 ND<50 -- ND<0 50 4 9 ND<0 50 ND<0 50 ND<5 0 ND<2 0 <br /> 12/12/01 1123 3141 000 -20 18 -020 ND<50 -- ND<0 50 ND<0 50 ND<0 50 ND<0 50 ND<5 0 ND<l 0 <br /> 03/20/02 1123 3019 000 -1896 1 22 ND<50 -- ND<0 50 ND<0 50 ND<0 50 ND<0 50 ND<5 0 ND<2 0 <br /> 6981 Page 23 of 37 <br />