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i <br /> Table 2 <br /> HISTORIC FLUID LEVELS AND SELECTED ANALYTICAL RESULTS <br /> October 1998 Through October 2005 <br /> Circle K Stare 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 8021B 8260B <br /> Elevation Elevation <br /> (feet) (feet) (feet) (feet) (feet) (µg/1) (µg11) (µg11) (Ag/1) (µg 1) (µg11) (µgll) (1g11) <br /> MW4 continued <br /> 04/10/00 17.75 8.56 0.00 9.19 1.80 ND -- NO ND ND ND ND ND <br /> 07/05/00 17.75 9.48 0.00 8.27 -0.92 ND -- NO ND ND NO ND ND <br /> 10/20/00 17.75 11.52 0.00 6.23 -2.04 245 -- 1.06 ND 6.35 3.74 ND ND <br /> 01/08/01 17.75 12.05 0.00 5.70 -0.53 1700 -- 9.5 ND 43 22 ND ND <br /> 04/26/01 17.75 11.43 0.00 6.32 0.62 1430 -- 9.47 ND 71.6 33.5 ND ND <br /> 07/19/01 17.75 12.38 0.00 5.37 -0.95 1400 -- 6.8 ND 62 34 ND ND <br /> 10/25/01 17.75 13.87 0.00 3.88 -1.49 1600 9.2 ND<2.5 74 41 ND<25 ND<1.0 <br /> 01/29/02 17.75 13.58 0.00 4.17 0.29 1000 -- 11 ND<2.5 38 14 ND<25 ND<2.0 <br /> 04/29/02 17.75 12.97 0.00 4.78 0.61 630 -- 7.8 0.70 24 6.2 5.9 ND<2.0 <br /> 07/29/02 17.75 14.03 0.00 3.72 -1.06 -- 3200 ND<10 ND<10 120 25 -- ND<40 <br /> 10/25/02 17.75 15.33 0.00 2.42 -1.30 -- 2700 ND<5.0 ND<5.0 66 34 -- ND<20 <br /> 01/24/03 17.75 14.55 0.00 3.20 0.78 -- 1000 ND<0.50 ND<0.50 9.2 ND<1.0 -- ND<2A <br /> 04/25/03 17.75 14.06 0.00. 3.69 0.49 -- 920 ND<5.0 ND<5.0 20 ND<10 -- ND<20 <br /> 07/25/03 17.75 14.77 0.00 2.98 -0.71 -- 2500 30 27 57 89 -- 32 <br /> 10/09/03 17.75 15.89 0.00 1.86 -1.12 -- 1000 ND<0.50 ND<0.50 7.5 ND<1.0 -- ND<2.0 <br /> 01/26/04 17.75 14.05 0.00 3.70 1.84 1000 ND<0.50 ND<0.50 18 ND<1.0 -- ND<2.0 <br /> 04/27/04 17.75 13.12 0.00 4.63 0.93 -- 410 ND<0.50 ND<0.50 8.0 1.7 -- ND<0.50 <br /> 07119/04 17.75 14.50 0.00 3.25 -1.38 -- 890 ND<0.50 ND<0.50 25 4.7 -- ND<0.50 <br /> 10/13/04 17.75 16.80 0.00 0.95 -2.30 -- 440 ND<0.50 ND<0.50 4.9 ND<1.0 -- ND<0.50 <br /> 01/10/05 17.75 15.40 0.00 2.35 1.40 -- 360 ND<0.50 ND<0.50 3.8 ND<1.0 -- ND<0.50 <br /> 04/27/05 17.75 13.39 0.00 4.36 2.01 -- 180 ND<0.50 ND<0.50 0.78 ND<1.0 -- ND<0.50 <br /> 07/20/05 17.75 14.06 0.00 3.69 -0.67 -- 370 ND<0.50 ND<0.50 6.0 2.2 -- ND<0.50 <br /> 10105(05 17.75 15.18 0.00 2.57 -1.12 -- 710 ND<0.50 ND<0.50 2.6 ND<1.0 -- ND<0.50 <br /> MW-5 (Screen Interval in feet:4.0-23.42) <br /> 01205 Page 5 of 14 <br />