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• <br /> Table 2 <br /> HISTORIC FLUID LEVELS AND SELECTED ANALYTICAL RESULTS <br /> October 1998 Through July 2005 <br /> Circle K Store 01205 <br /> I <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) (µg11) (µgd) (µg11) (11g/1) (41) (µg11) (µg11) (µg11) <br /> MW-6 continued <br /> 01/24/03 16.68 13.62 0.00 3.06 0.72 -- 1900 ND<2.5 23 77 300 -- 260 <br /> 04/25/03 16.68 13.15 0.00 3.53 0.47 -- 3800 6 66 190 590 -- 240 <br /> 07/25/03 16.68 13.83 0.00 2.85 -0.68 - 6400 30 200 510 1700 -- 320 <br /> 10/09/03 16.67 15.10 0.00 1.57 -1.28 -- 1700 2.9 17 80 300 -- 180 <br /> 01/26/04 16.67 13.54 0.00 3.13 1.56 -- 360 ND<2.5 ND<2.5 6.6 30 -- 220 <br /> 04/27/04 16.67 12.46 0.00 4.21 1.08 -- 5100 19 35 270 900 130 <br /> 07/19/04 16.67 13.62 0.00 3.05 -1.16 - 840 3.9 3.1 53 150 -- 120 <br /> 10/13/04 t6,67 15.89 0.00 0.78 -2.27 - 12000 150 43 1800 2900 -- 78 <br /> 01/10/05 16.67 14.71 0.00 1.96 1.18 -- 1700 2.1 5.7 77 270 -- 80 <br /> 04/27/05 16.67 12.55 0.00 4.12 2.16 -- 74 ND<0.50 ND<0.50 3.7 9.5 -- 52 <br /> 07/20/05 16.67 13.07 0.00 3.60 -0.52 -- 7000 43 8.8 600 1100 -- 55 <br /> MW-7 (Screen Interval in feet:4.0-23.42) <br /> 01/08/01 17.81 12.29 0,00 5.52 -- 53000 -- 140 2600 2500 14000 ND ND <br /> 04/26/01 17.81 11.67 0.00 6.14 0.62 35200 -- 89.7 681 1050 4640 ND ND <br /> 07/19/01 17.81 12.56 0.00 5.25 -0.89 47000 ND t 000 1400 6400 ND ND <br /> 10/25/01 17.81 14.08 0,00 3.73 -1.52 97000 780 3000 3700 14000 ND<1000 ND<25 <br /> 01/29102 17.81 13.38 0.00 4,43 0.70 23000 -- 84 1300 1400 5100 ND<500 ND<33 <br /> 04/29/02 17.81 13.14 0.00 4.67 0.24 28000 -- ND<100 1100 1800 6900 ND<1000 ND<40 <br /> 07/29/02 17,81 14.10 0M 3.71 -0.96 -- 47000 ND<250 2500 3200 12000 -- ND<1000 <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 0.85 -- 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 /> 0.00 -- 7000 ND<10 65 240 1200 -- ND<40 <br /> 17.81 16.18 1,63 -1.2$ <br /> 10/09/03 <br /> 01205 Page 7 of 13 <br />