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i i • <br /> Y <br /> Table 2 <br /> HISTORIC FLUID LEVELS AND SELECTED ANALYTICAL RESULTS <br /> February 1999 Through January 2006 <br /> Circle K Store 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 (8015M) (8260) benzene Xylenes (8021B) (8260B) <br /> Elevation Elevation <br /> (feet) (feet) (feet) (feet) (feet) (µg11) (µg/1) (µg11) (µg11) (µg/1) (µg11) (µg11) (µg11) <br /> MW-9 continued <br /> 05/14/04 1427 3542 000 -21 15 138 -- ND<50 ND<0 50 ND<0 50 ND<0 50 ND<1 0 -- ND<0 50 <br /> 08/04/04 1427 3845 000 -2418 -3 03 -- ND<50 ND<0 50 ND<0 50 ND<0 50 ND<1 0 -- ND<0 SO <br /> 11/23/04 1427 3842 000 -2415 0 03 -- ND<50 ND<0 50 ND<0 50 ND<0 50 ND<1 0 -- ND<0 50 <br /> 01/26/05 1427 3565 000 -2138 2 77 -- ND<50 ND<0 50 062 ND<0 50 ND<l 0 -- ND<0 50 <br /> 04/18/05 1427 3300 000 -1873 2 65 -- ND<50 ND<0 50 ND<0 50 ND<0 50 ND<1 0 — ND<0 50 <br /> 08/23/05 1427 3643 000 -2216 -343 -- ND<50 ND<0 50 ND<0 50 ND<0 50 ND<1 0 -- ND<0 50 <br /> 10/14/05 1427 3772 000 -23 45 -129 -- ND<50 ND<0 50 ND<0 50 ND<0 50 ND<l 0 -- ND<0 50 <br /> 01/18/06 1427 3439 000 -2012 333 -- ND<50 ND<0 50 ND<0 50 ND<0 50 ND<1 0 -- ND<0 50 <br /> MW-10 (Screen Interval in feet DNA) <br /> 12/10/03 1406 -- -- -- -- -- ND<50 ND<0 50 ND<0 50 ND<0 50 ND<1 0 -- ND<2 0 Sampled by SECOR <br /> 02/12/04 1406 3581 000 -2175 -- -- ND<50 ND<0 50 ND<0 50 ND<0 50 ND<1 0 -- ND<2 0 <br /> 05/14/04 1406 3501 000 -2095 0 80 -- ND<50 ND<0 50 19 ND<0 50 2 4 -- 1 1 <br /> 08/04/04 l4 06 3796 000 -23 90 -295 -- ND<50 ND<0 50 ND<0 50 ND<0 50 ND<l 0 -- 2 3 <br /> 11/23/04 1406 3796 000 -2390 000 -- ND<50 ND<0 50 ND<0 50 ND<0 50 ND<l 0 -- ND<0 50 <br /> 01/26/05 1406 35 33 000 -2127 263 -- 52 ND<0 50 1 l ND<0 50 14 -- ND<0 50 <br /> 04/18/05 1406 3266 000 -1860 2 67 -- ND<50 ND<0 50 ND<0 50 ND<0 50 ND<1 0 ND<0 50 <br /> 08/23/05 1406 3580 0 00 -21 74 -3 14 -- ND<50 ND<0 50 ND<0 50 ND<0 50 ND<1 0 -- ND<0 50 <br /> 10/14/05 1406 36 17 000 -22 11 -037 -- ND<50 ND<0 50 ND<0 50 ND<0 50 ND<l 0 ND<0 50 <br /> 01/18/06 1406 3402 000 -1996 2 15 -- ND<50 ND<0 50 ND<0 50 ND<0 50 ND<l 0 -- ND<0 50 <br /> I <br /> I <br /> 08671 Page 9 of 9 <br />