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r i _ <br /> Table 2 - <br /> f HISTORIC FLUID LEVELS AND SELECTED ANALYTICAL RESULTS - <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 8021B 8260B <br /> Elevation Elevation <br /> (feet) (feet) (feet) (feet) (feet) (}rg/O (µg/1) 41g/1) (1g/1) (µg/1) (ug/l) (µg/1) (µP/1) <br /> MW-2 continued <br /> 04/27/04 17.50 13.13 0.00 4.37 0.94 12000 29 280 670 4700 -- ND<10 <br /> 07/19/04 17.50 14.31 0.00 3.19 -1.18 18000 650 840 1200 1500 38 <br /> 10/13/04 17.50 16.65 0.00 0.85 -2.34 -- 270 40 2.7 2.8 11 19 <br /> -- <br /> MW-3 (Screen Interval in feet:8.0-28.0) <br /> 10/08/98 18.16 11.67 0.00 6.49 -- 11000 -- 14 3A 580 560 -- ND <br /> 01/25/99 18.16 12.17 0.00 5.99 -0.50 6100 -- 28 ND 220 190 ND <br /> 04/29/99 18.16 10.65 0.00 7.51 1.52 150 -- 1.1 ND ND 1.5 ND .- <br /> 07/16/99 18.16 11.54 0.00 6.62 -0.89 10000 -- ND ND 380 200 ND ND <br /> 10/21/99 18.16 11.78 0.00 6.38 -0.24 5500 -- 19 3.2 190 130 13 ND <br /> 01/31/00 18.16 10.84 0.00 7.32 0.94 8500 27 ND 460 270 ND 19 <br /> 04/10/00 18.16 8.91 0.00 9.25 1.93 2250 - 9.6 ND 98.2 45 ND ND <br /> 07/05/00 18.16 9.79 0.00 8.37 -0.88 3640 -- 21.9 ND 190 67.1 ND ND <br /> 10/20/00 18.16 11.91 0.00 6.25 -2.12 3750 -- ND ND 150 51,9 ND ND <br /> 01/08/01 18.16 12.48 0.00 5.68 -0.57 2100 -- 9.3 3.9 32 7,8 6,9 ND <br /> 04/26/01 18.16 11.84 0.00 6.32 0.64 5350 14.9 ND 256 101 ND ND <br /> 07/19/01 18.16 12.80 0.00 5.36 -0.96 3900 -- 15 ND 140 52 ND ND <br /> 10/25/01 18.16 14.32 0.00 3.84 -1.52 930 -- 6.3 ND<2.5 38 10 ND<25 ND<1.0 <br /> 01/29/02 18.16 13.58 0.00 4.58 0.74 2900 -- 19 ND<5.0 140 37 ND<50 ND<2.0 <br /> 04/29/02 18.16 13.42 0.00 4.74 0.16 2500 -- 13 ND<2,5 120 23 ND<25 ND<2.0 <br /> 07/29/02 18.16 14.45 0.00 3,71 -1.03 -- 2000 ND<0.50 ND<0.50 84 5.9 ND<2.0 <br /> 10/25/02 18.16 15.84 0.00 2.32 -1.39 7900 ND<5.0 ND<5.0 360 69 -- ND<20 <br /> 01/24/03 18.16 14.60 0.00 3,56 -- 5100 ND<5.0 ND<5.0 190 IS -- ND<20 <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 /> 01205 Page 3 of I 1 <br />