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..■s ttttttt� i_ ai IIS � � � � � � � � � � , <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 8260B benzene Xylenes 80218 8260E <br /> Elevation Elevation <br /> (feet) (feet) (feet) (feet) (feet) (µg11) (µg/1) (µg/1) (µg/1) (µg/l) (µg11) (µg/1) (µ911) <br /> MW-3 continued <br /> 04/25/03 18.16 14.47 0.00 3.69 0.13 - 1700 ND<5.0 ND<5.0 41 ND<10 -- ND<20 <br /> 07/25/03 18.16 15.19 0.00 2.97 -0.72 - 2500 ND<0.50 ND<0.50 25 1.3 - ND<2.0 <br /> 10/09/03 18.16 16.39 0.00 1.77 -1.20 - 260 ND<0.50 ND<0.50 ND<0.50 ND<1.0 - ND<2.0 <br /> 01/26/04 18.16 14.49 0.00 3.67 1.90 - 1500 ND<0.50 ND<0.50 37 Ll - ND<2.0 <br /> 04!27/04 18.16 13.55 0.00 4.61 0.94 -- 1200 ND<0.50 ND<0.50 80 4.4 -- ND<0.50 <br /> 07/19/04 18.16 14.93 0.00 3.23 -1.38 - 570 ND<0.50 ND<0.50 IS 2.0 - ND<0.50 <br /> 10/13/04 18.16 17.30 0.00 0.86 -2.37 - 120 ND<0.50 ND<0.50 1.4 ND<l.0 -- ND<0.50 <br /> 01/10/05 18.16 15.87 0.00 2.29 1.43 -- 390 ND<0.50 ND<0.50 5.6 1.1 -- ND<0.50 <br /> MW-4 (Screen Interval in feet:8.0-28A) ! <br /> 10/08/98 17.75 11.29 0.00 6.46 - 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 29 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 /> 10/21/99 17.75 11.36 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 - ll ND 130 160 ND ND <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 /> i <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 /> f <br /> 01205 Page 4 of 11 <br /> } <br /> t <br />