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v i <br /> Table 2 <br /> HISTORIC FLUID LEVELS AND SELECTED ANALYTICAL RESULTS <br /> February 1999 Through October 2005 <br /> Circle K Stare 08671 <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 8021E 8260B <br /> Elevation Elevation <br /> (feet) (feet) (feet) (feet) (feet) (µg11) (µg/1) (µg11) (µg(1) (41) (4g11) (11g(1) (µg/1) <br /> MW-4 continued <br /> 05/26/01 1372 2939 0 00 -1567 0 64 ND -- ND ND ND ND 27 1 13 6 <br /> 08/22/01 1372 33 06 0 00 -1934 -367 ND<50 ND<0 50 ND<0 50 ND<0 50 ND<0 50 200 230 <br /> 11/20/01 1372 33 53 0 00 -1981 -047 ND<50 -- ND<0 50 0 6 ND<0 50 ND<0 50 980 970 <br /> 02/12/02 13 72 31 14 000 -1742 239 ND<200 -- ND<2 0 ND<2 0 ND<2 0 ND<2 0 920 910 <br /> 05/06/02 13 72 3056 000 -1684 058 -- 1200 ND<10 ND<10 ND<10 ND<10 -- 1300 <br /> 08/07/02 13 72 3494 000 -2122 -438 -- 1300 ND<5 0 ND<5 0 ND<5 0 ND<10 -- 1200 <br /> 11/04/02 1372 37 10 000 -2338 -216 ND<5000 ND<50 ND<50 ND<50 ND<100 -- 1600 <br /> 02/03/03 1372 3397 000 -2025 3 13 -- ND<i000 ND<10 ND<10 ND<10 ND<20 -- 1900 <br /> 05/14/03 1372 3196 000 -1824 2 01 -- ND<5000 ND<50 ND<50 ND<50 ND<100 -- 7900 <br /> 08/13/03 13 72 3681 000 -2309 -485 -- ND<2000 ND<20 ND<20 ND<20 ND<40 -- 3300 <br /> 11/14/03 1372 3895 000 -25 23 -214 -- ND<5000 ND<50 ND<50 ND<50 ND<100 -- 4300 <br /> 02/12/04 1372 3553 000 -2181 342 -- 880 ND<5 0 ND<5 0 ND<5 0 ND<10 -- 1200 <br /> 05/14/04 13 72 3474 000 -2102 079 -- 1100 ND<5 0 ND<5 0 ND<5 0 ND<10 -- 1900 <br /> 08/04/04 13 72 3773 000 -2401 -299 -- 5000 ND<25 ND<25 ND<25 ND<50 -- 8400 <br /> 11/23/04 13 72 3774 0 00 -2402 -001 -- 8800 ND<25 ND<25 ND<25 ND<50 -- 10000 <br /> 01/26/05 1372 3502 000 -2130 272 -- ND<2500 ND<0 50 ND<0 50 ND<0 50 ND<1 0 -- 10000 <br /> 04/18/05 13 72 3237 000 -1865 265 -- NI3<500 ND<0 50 ND<0 50 ND<0 50 ND<1 0 -- 1500 <br /> 08/23/05 1372 3569 0 00 -2197 -332 -- 170 ND<0 50 ND<0 50 ND<0 50 ND<l 0 -- 4200 <br /> 10/14/05 1372 3699 000 -23 27 -130 -- ND<5000 ND<50 ND<50 ND<50 ND<100 -- 9400 <br /> MW-5 (Screen Interval in feet DNA) <br /> 01/07/02 1352 3279 000 -1927 -- ND<50 ND<0 50 ND<0 50 ND<0 50 ND<0 50 5 4 ND<0 50 <br /> 02/12/02 13 52 3089 000 47 37 190 ND<50 -- ND<0 50 ND<0 50 ND<0 50 ND<0 50 ND<2 5 ND<2 0 <br /> 05/06/02 13 52 3031 000 -1679 058 -- ND<50 ND<0 50 ND<0 50 ND<0 50 1 -- ND<2 0 <br /> 08/07/02 13 52 3462 000 -21 10 -431 -- ND<50 ND<0 50 ND<0 50 ND<0 50 ND<1 0 -- ND<2 0 <br /> 06671 Page 5 of 9 <br />