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Table 2 <br /> 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) (µg/1) (µg1[) (µg1]) 41g/1) (µg/1) (µg/1) (µg/l) (µg/1) <br /> MW-1 continued <br /> 10/13/04 17.62 16.71 0.00 0.91 -2.30 -- 1200 68 4.0 66 150 3.2 <br /> I -- <br /> MW-2 (Screen Interval in feet:6.0-26.0) <br /> 10/08/98 17.50 11.17 0.00 6.33 -- 18000 -- 210 100 1600 1700 -- 4000 <br /> 01/25/99 17.50 11.64 0.00 5.86 -0.47 28000 -- 270 410 2400 6300 -- 79000 <br /> 04/29/99 17.50 10.12 0.00 7.38 1.52 290 -- 0.9 2.6 11 29 -- 22 <br /> 07/16/99 17.50 1098 0.00 6.52 -0.86 22000 -- 160 130 1200 3300 1400 560 <br /> 10/21/99 17.50 11.35 0.00 6.15 -0.37 25000 -- 110 180 940 2400 ND 71 <br /> 01/31/00 17.50 10.43 0.00 7,07 0.92 47000 -- 280 360 2800 9800 12000 9800 <br /> 04/10/00 17.50 8,59- 0.00 8.91 1.84 31300 -- 335 1220 2390 8660 ND 532 <br /> 07/05/00 17.50 9.55 0.00 7.95 -0.96 5600 <br /> 22.2 9.22 537 3 446 178 237 <br /> 10/20/00 17.50 11.44 0.00 6.06 -1.89 13300 -- 36.7 ND 875 282 ND 4.4 <br /> 01/08/01 17.50 11.92 0.00 5.58 -0.48 10000 -- 73 ND 840 520 ND 28 <br /> 04/26/01 17.50 11.33 0.00 6.17 0.59 10200 -- 87.3 ND 817 341 ND 36.7 <br /> 07/19/01 IT50 12.23 0.00 5.27 -0.90 8400 30 ND 260 200 ND 7,6 <br /> 10/25/01 17.50 13.71 0.00 3.79 -1.48 1800 -- <br /> 19 ND<5.0 160 45 ND<50 24 <br /> 01/29/02 17.50 13.01 0.00 4.49 0.70 1,300 -- 33 N13<15 110 17 60 53 <br /> 04/29/02 17.50 12.79 0.00 4,71 0.22 2000 -- 56 5.5 130 30 78 62 <br /> 07/29/02 17.50 13.77 0.00 3.73 -0.98 -- 460 5.8 ND<0.50 19 2.1 26 <br /> 10/25/02 17,50 15.15 0.00 2.35 -1.38 -- 720 4.4 ND<0.50 30 4.2 -_ 32 <br /> 01/24/03 17.50 14.38 0.00 3.12 -- -- ND<50 ND<0.50 ND<0.50 ND<0.50 ND<1.0 21 <br /> 04/25/03 17.50 13.87 0.00 3.63 0.51 -- 120 0.64 ND<0.50 0.56 1 20 <br /> 07/25/03 17.50 14.56 0.00 2.94 -0.69 -- 170 0.72 ND<0"50 3.6 2.9 __ 35 <br /> 10/09/03 17.50 15.80 0.00 1.70 -1.24 76 ND<0.50 ND<0.50 ND<0.50 ND<1.0 37 <br /> 01/26/04 17.50 14.07 0.00 3.43 1.73 -- 1500 560 26 ND<5.0 ND<10 -- 490 <br /> 01205 Page 2 of I 1 <br />