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Table 2 <br /> HISTORIC FLUID LEVELS AND SELECTED ANALYTICAL RESULTS <br /> October 1998 Through July 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 8021B 8260B <br /> Elevation Elevation <br /> (feet) (feet) (feet) (feet) (feet) (µg/1) (pg/1) (µg11) (pg/1) (pg/1) (µg/1) (µg11) (41) <br /> MW-8 continued <br /> 01/10/05 17.25 14.77 0.00 2.48 1.55 -- ND<50 ND<0.50 ND<0.50 0.64 2,0 -- ND<0,50 <br /> 04/27/05 17.25 12.87 0.00 4.38 1.90 -- ND<50 ND<0.50 ND<0.50 ND<0,50 ND<1.0 - ND<0.50 <br /> 07/20/05 17.25 13.57 0.00 3.68 -0.70 -- ND<50 ND<0.50 ND<0.50 0.83 1.3 -- ND<0.50 <br /> MW-9 (Screen Interval in feet:4.0-23.42) <br /> 01/08/01 16.34 10.77 0.00 5.57 7 29000 -- 62 150 1300 5600 ND ND <br /> 04/26/01 16.34 10.17 0.00 6.17 0,60 22800 -- 53.0 ND 281 631 ND ND <br /> 07/19/01 16.34 1I.07 OM 5.27 -0.90 27000 -- 45 73 810 3400 ND ND <br /> 10/25/01 16.34 12.50 0.00 3.84 -1.43 45000 -- 83 280 3200 12000 ND<500 ND<25 <br /> 01/29/02 16.34 11.71 0.00 4.63 0.79 14000 -- 80 90 1000 1800 ND<250 ND<12 <br /> 04/29/02 16.34 11.57 0.00 4.77 0.14 18000 -- 77 150 1000 3000 ND<250 ND<20 <br /> 07/29/02 16.34 12.59 0.00 3.75 -1,02 29000 -- ND<50 200 2100 4000 -- ND<200 <br /> 10/25/02 16.34 13.82 0.00 2.52 -1.23 -- 51000 27 310 2600 10000 -- ND<40 <br /> 01/24/03 16.34 13.60 0.00 2.74 0.22 -- ND<50 ND<0.50 ND<0.50 ND<0.50 ND<I.0 -- ND<2,0 <br /> 04/25/03 16.34 12.70 0.00 3.64 0.90 -- 15000 50 34 1300 1700 -- ND<20 <br /> 07/25/03 16.34 13.38 0.00 2.96 -0.68 -- 28000 22 120 2000 6000 -- ND<40 <br /> 10/09/03 16.35 14.52 0,00 1,83 -1,13 -- 27000 35 78 1800 6100 -- ND<50 <br /> 01/26/04 16.35 12.86 0.00 3.49 1.66 -- 12000 37 31 770 1600 ND<20 <br /> 04/27/04 16.35 11.89 0,00 4.46 0.97 -- 12000 13 12 720 1200 -- ND<5.0 <br /> 07/19/04 16.35 13.20 0.00 3.15 -1.31 -- 28000 20 47 2500 7000 ND<10 <br /> 10/13/04 16.35 15.38 0.00 0.97 -2.18 -- 8600 ND<10 ND<10 420 900 -- ND<10 <br /> 01/10/05 16.35 14.10 0.00 2.25 1.28 6100 13 49 390 370 -- ND<2.0 <br /> 04/27/05 16.35 12.05 0.00 4.30 2.05 -- 8300 8.2 4.1 420 590 -- ND<2.5 <br /> 07/20/05 16.35 13.66 0.00 2.69 -1.61 19000 5.7 7.7 810 1300 -- ND<5.0 <br /> MW-10 (Screen Interval in feet:5.0-25.0) <br /> 01205 Page 9 of 13 <br />