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Table 2 <br /> HISTORIC FLUID LEVELS AND SELECTED ANALYTICAL RESULTS <br /> October 1998 Through July 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 8021B 8260B <br /> Elevation Elevation. <br /> (feet) (feet) (feet) (feet) (feet) (µg/1) (µg/1) (µg/1) (µg/1) (µg/1) (Ag/1) (µg/1) (µg/1) <br /> MW4 (Screen Interval in feet: 8.0-28.0) <br /> 30/08/98 17.75 11.29 0.00 6.46 -- <br /> 7600 -- 6.6 2.3 430 860 ND <br /> 01/25/99 17.75 11.74 0.00 6.01 -0.45 1300 -- 10 ND 30 2 <br /> 9 ND <br /> 04/29/99 17.75 10.25 0.00 7.50 1.49 ND -- ND ND ND ND ND -- <br /> 07/16/99 17.75 11.12 0.00 6.63 -0.87 290 1.1 ND 5.4 8.5 ND ND <br /> 10/2I/99 17.75 I1.36 0.00 6.39 -0.24 320 -- 2.5 ND 7.4 7.3 ND ND <br /> 01/31/00 17.75 10.36 0.00 7.39 1.00 2600 -- 11 ND 130 160 ND ND <br /> I <br /> 04/10/00 17.75 8.56 0.00 9.19 1.80 ND -- ND ND ND ND ND ND <br /> 07/05/00 17.75 9.48 0.00 8.27 -0.92 ND ND ND ND ND 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 -- -- 1000 ND<0.50 ND<0.50 9.2 ND<1.0 -- ND<2.0 <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 /> 07/19/04 17.75 14.50 0.00 3.25 -1.38 -- 890 ND<0.50 ND<0.50 25 4.7 -- ND<0.50 <br /> 01205 Page 4 of 10 <br />