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i • i <br /> Table 2 <br /> HISTORIC FLUID LEVELS AND SELECTED ANALYTICAL RESULTS <br /> October 1998 Through January 2005 <br /> Circle K Store 01205 <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 8260E benzene Xylenes 8021B 8260B <br /> Elevation Elevation <br /> (feet) (feet) (feet) (feet) (feet) (lig/1) W/1) (µg11) (41) (41) (Ag/1) (41) (µg/1) <br /> MW-9 continued <br /> 01/26/04 16.35 12.86 0.00 3.49 1.66 -- 12000 37 31 770 1600 -- ND<20 <br /> 04/27/04 16.35 11.89 0.00 4.46 0.97 -- 12000 13 12 720 1200 -- ND<5.0 <br /> 07/19/04 16.35 13.20 0.00 3.15 -1.31 -- 28000 20 47 2500 7000 ND<10 <br /> 10/13/04 16.35 15.38 0.00 0.97 -2.18 -- 8600 ND<10 ND<10 420 900 -- ND<10 <br /> 01/10/05 16.35 14.10 0.00 2.25 1.28 -- 6100 13 4.9 390 370 ND<2.0 <br /> MW-10 (Screen Interval in feet: 6.0-26.0) <br /> 11/21/02 15.31 12.55 0.00 2.76 -- -- < < <br /> ND 50 ND 0.50 0.54 ND<0.50 E.1 -- 0.51 i <br /> 04/25/03 15.31 11.79 0.00 3.52 __ __ ND<50 ND<0.50 ND<0.50 ND<0.50 ND<1.0 -- ND<2.0 <br /> 07/25/03 17.50 12.52 0.00 4.98 1.46 -- ND<50 ND<0.50 ND<0.50 ND<0.50 ND<1.0 -- ND2.0 <br /> 10/09/03 15.31 13.53 0.00 1.78 -3.20 -- ND<50 ND<0.50 ND<0.50 ND<0.50 ND<1.0 -- ND<2.0 <br /> 01/26/04 17.50 12.45 0.00 5.05 3.27 92 ND<0.50 1.1 2.7 14 -- ND<2.0 <br /> 04/27/04 17.50 11.24 0.00 6.26 1.21 -- ND<50 ND<0.50 ND<0.50 ND<0.50 ND<1.0 -- ND<0.50 <br /> i <br /> 07/19/04 17.50 12.39 0.00 5.11 -1.15 -- ND<50 ND<0.50 ND<0.50 ND<0.50 ND<1.0 -- ND<0.50 <br /> 10/13/04 17.50 14.28 0.00 3.22 -1.89 -- ND<50 ND<0.50 ND<0.50 ND<0.50 ND<lA -- ND<0.50 <br /> 01/10/05 17.50 13.08 0.00 4.42 1.20 -- ND<50 ND<0.50 ND<0.50 ND<0.50 1.5 -- ND<0.50 <br /> MW-11 (Screen Interval in feet:5.0-25.0) <br /> 11/21/02 14.18 11.67 0.00 2,51 -- -- ND<50 ND<0.50 1.1 ND<0.50 1.6 -- 0.81 <br /> 04/25/03 14.18 11.89 0.00 2.29 -- ND<50 ND<0.50 ND<0.50 ND<0.50 ND<1.0 -- ND<2.0 <br /> 07/25/03 14.18 11.82 0.00 2.36 0.07 -- ND<50 ND<0.50 ND<0.50 ND<0.50 ND<1.0 -- ND<2.0 <br /> 10/09/03 14.18 12.89 0.00 1.29 -1.07 -- ND<50 ND<0.50 ND<0.50 ND<0.50 ND<1.0 -- ND<2.0 <br /> 01/26/04 14.18 11.45 0.00 2.73 1.44 -- ND<50 ND<0.50 ND<0.50 ND<0.50 2.3 ND<2.0 <br /> 04/27/04 14.18 10.61 0.00 3.57 0.84 ND<50 ND<0.50 ND<0.50 ND<0.50 ND<1.0 -- ND<0.50 <br /> 07/19/04 14.18 11.86 0.00 2.32 -1.25 ND<50 ND<0.50 ND<0.50 ND<0.50 ND<1,0 -- ND<0.50 <br /> 10/13/04 14.18 13.61 0.00 0.57 -1.75 -- ND<50 ND<0.50 ND<0.50 ND<0.50 ND<1.0 -- ND<0.50 <br /> 01205 Page 9 of 11 <br />