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Table 2 <br /> HISTORIC FLUID LEVELS AND SELECTED ANALYTICAL RESULTS J <br /> October 1998 Through October 2004 <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 8260B benzene Xylenes 8021E 8260B <br /> Elevation Elevation <br /> (feet) (feet) (feet) (feet) (feet) W/1) (µg/1) (µg/1) (µg/1) (µg/]) (µg11) (µg/1) (µg/1) <br /> MW-7 continued <br /> 10/25/02 17.81 15.55 0.00 2.26 -1.45 -- 33000 ND<25 880 1700 6100 ND<100 <br /> 01/24/03 17.81 14.70 0.00 3.11 -- -- 60000 ND<25 14000 2700 14000 -- ND<100 <br /> 04/25/03 17.81 14.21 0.00 3.60 0.49 38000 ND<25 840 1900 7100 -- ND<100 <br /> 07/25/03 17.81 14.90 0.00 2.91 -0.69 31000 ND<25 310 1400 4800 -- ND<100 <br /> 10/09/03 17.81 16.18 0.00 1.63 -1.28 -- 7000 ND<10 65 240 1200 -- ND<40 <br /> 01/26/04 17.81 14.45 0.00 3.36 1.73 23000 ND<10 240 910 2900 -- ND<40 <br /> 04/27/04 17.81 13,40 0.00 4.41 1.05 -- 23000 13 280 1700 6300 ND<10 <br /> 07/19/04 17.81 14.68 0.00 3.13 -1.28 -- 17000 ND<10 150 1300 3400 -- ND<10 <br /> 10/13/04 17.81 17.03- 0.00 0.78 -2.35 -- 3000 ND<2.5 25 250 450 -- ND<2.5 <br /> MW-8 . (Screen Interval in feet:4.0-24.0) <br /> 01/08/01 17.26 11.40 0.00 5.86 -- ND -- ND 1.2 0.95 4.6 ND ND <br /> 04/26/01 17.26 10.70 0.00 6.56 0.70 ND -- ND ND ND ND ND ND <br /> 07/19/01 17.26 11.75 0.00 5.51 -1.05 ND -- ND ND ND ND ND ND <br /> 10/25/01 17.26 13.32 0.00 . 3.94 -1.57 ND<50 -- ND<0.50 ND<0.50 ND<0,50 ND<0.50 ND<5.0 ND<1.0 <br /> 01/29/02 17.26 12.53 0.00 4.73 0.79 ND<50 ND<0.50 ND<0.50 ND<0.50 ND<0.50 ND<5.0 ND<2.0 <br /> 04/29/02 17.26 12.44 0.00 4.82 0.09 ND<50 -- ND<0.50 ND<0.50 ND<0.50 ND<0.50 ND<5.0 ND<2.0 <br /> 07/29/02 17.26 13.56 0.00 3.70 -1.12 -- ND<50 ND<0.50 ND<0.50 ND<0.50 ND<1.0 -- ND<2.0 <br /> 10/25/02 17.26 14.81 0.00 2.45 -1.25 -- 1700 0.70 42 83 350 ND<2.0 <br /> 01/24/03 17.26 14.00 0.00 3.26 -- -- 21000 16 35 920 2000 -- ND<10 <br /> 04/25/03 17.26 13.44 0.00 3,82 0.56 -- ND<50 ND<0.50 ND<0.50 ND<0.50 ND<1.0 ND<2,0 <br /> 07/25/03 17.26 14.23 0.00 3.03 -0.79 -- ND<50 ND<0.50 ND<0.50 ND<0.50 ND<1.0 - ND<2.0 <br /> 10/09/03 17.25 15.36 0.00 1.89 -1.14 -- ND<50 ND<0.50 ND<0.50 ND<0.50 ND<1.0 ND<2.0 <br /> 01/26/04 17.25 13.21 0.00 4.04 2.15 -- ND<50 ND<0.50 ND<0.50 ND<0.50 ND<1.0 -- ND<2.0 <br /> 04/27/04 17.25 12.38 0.00 4.87 0.83 -- ND<50 ND<0.50 ND<0.50 ND<0.50 ND<1.0 -- ND<0.50 <br /> 01205 Page 7 of 11 <br />