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Table 2 <br /> HISTORIC FLUID LEVELS AND SELECTED ANALYTICAL RESULTS <br /> September 1996 Through November 2004 <br /> 76 Station 5886 <br /> i <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 8260E <br /> Elevation Elevation <br /> (feet) (feet) (feet) (feet) (feet) {µg11) (µg11) {µg/1) (µg/1) (lig/1) (µg/1) (µg/i) (µg/1) <br /> MW-71) continued <br /> 02/11/02 2 76 996 000 -620 -- ND<50 -- ND<0 50 13 ND<O 50 097 ND<2 5 ND<2 0 <br /> 05/02/02 2 76 8 99 000 -623 - ND<50 -- ND<0 50 ND<0 50 ND<O 50 ND<O 50 ND<5 0 ND<2 0 <br /> 08/01/02 2 76 942 000 -666 -- ND<50 -- ND<O 50 ND<O 50 ND<O 50 ND<1 0 -- ND<2 0 <br /> 11/20/02 276 691 000 -4 15 251 ND<50 - ND<O 50 ND<O 50 ND<O 50 ND<1 0 __ ND<2 0 <br /> 02/20/03 276 9 01 000 -625 -210 ND<50 -- ND<O 50 ND<O 50 ND<O 50 ND<l 0 -- ND<2 0 <br /> 05/07/03 276 821 -- -545 0 80 -- -- - Sampled Semi-Annually <br /> 08/04/03 2 76 947 000 -671 -126 __ ND<50 ND<5 0 ND<5 0 ND<5 0 ND<1 0 -- ND<2 0 <br /> 11/20/03 276 889 000 -6 13 0 58 -- - __ _ Monitored Only <br /> 02/11/04 276 865 000 -5 89 024 -- ND<50 ND<O 50 ND<O 50 0 78 2 3 -- ND<2 0 <br /> 05/27/04 2 76 886 000 -610 -021 -- -- _ Monitored Only <br /> 08/30/04 276 8 80 000 -604 006 ND<50 -- ND<O 5 ND<0 5 ND<O 5 ND<l - ND<O 5 <br /> 11/23/04 2 76 8 57 000 -5 81 023 __ __ _ Sampled Semi-Annually <br /> MW-7S (Screen Interval in feet 7 0-17 0) <br /> 05/02/97 236 937 000 -701 <br /> 09/02/97 236 1143 000 -907 -2 06 <br /> 12/01/97 2 36 9 87 000 -751 156 <br /> 03/25/98 236 790 000 -5 54 1 97 -- __ _ 41 <br /> 06/17/98 236 8 91 000 -6 55 -101 <br /> 09/01/98 236 976 000 -740 -085 -- - -- -_ - -- - <br /> 12/03/98 236 9 05 000 -669 0 71 <br /> 03/01/99 236 802 000 -5 66 1 03 <br /> 04/15/99 2 89 8 75 000 -5 86 - <br /> 06/01/99 2 89 956 000 -667 <br /> 08/16/99 2 89 9 80 000 -691 -024 <br /> 5886 Page 17 of 28 <br />