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Table 2 <br /> HISTORIC FLUID LEVELS AND SELECTED ANALYTICAL RESUL'T'S <br /> February 1999 Through October 2005 <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 8260B benzene Xylenes 8021B 8260B <br /> Elevation Elevation <br /> (feet) (feet) (feet) (feet) (feet) (µg/1) (µg/1) (µg11) (µg/l) (µgll) (µg11) (µg/1) (µg11) <br /> MW-7 contutued <br /> 10/14/05 1434 3787 000 -23 53 -131 -- ND<50 ND<0 50 ND<0 50 ND<0 50 ND<1 0 -- 054 <br /> MW-8 (Screen Interval in feet DNA) <br /> 12/10/03 13 18 -- -- -- -- -- ND<50 ND<0 50 ND<0 50 ND<0 50 15 -- ND<2 0 Sampled by SECOR <br /> 02/12/04 13 18 3490 000 -2172 -- -- ND<50 ND<0 50 ND<0 50 ND<0 50 ND<1 0 -- ND<2 0 <br /> 05/14/04 13 18 3405 0 00 -2087 0 85 -- ND<50 096 4 0 068 3 4 -- 0 57 <br /> 08/04/04 13 18 3699 000 -2381 -294 -- ND<50 ND<0 50 ND<0 50 ND<0 50 ND<1 0 -- ND<0 50 <br /> 11/23/04 13 18 3705 000 -23 87 -006 ND<50 ND<0 50 ND<0 50 ND<0 50 ND<1 0 -- ND<0 50 <br /> 01/26/05 13 18 3440 000 -2122 265 -- ND<50 ND<0 50 094 ND<0 50 12 -- ND<0 50 <br /> 04/18/05 13 18 31 73 000 -1855 267 -- ND<50 ND<0 50 ND<0 50 ND<0 50 ND<1 0 -- ND<0 50 <br /> 08/23/05 13 18 3489 000 -2171 -3 16 -- ND<50 ND<0 50 ND<0 50 ND<O 50 ND<1 0 -- ND<0 50 <br /> 10/14/05 13 18 3620 000 -23 02 -131 -- ND<50 ND<0 50 ND<0 50 ND<0 50 ND<1 0 -- ND<0 50 <br /> MW-9 (Screen Interval in feet DNA) <br /> 12/10/03 1427 -- -- -- -- -- ND<50 ND<0 50 ND<0 50 ND<0 50 ND<l 0 ND<2 0 Sampled by SECOR <br /> 02/12/04 1427 3680 000 -22 53 -- -- ND<50 ND<0 50 ND<0 50 ND<0 50 ND<l 0 -- ND<2 0 <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<l 0 -- ND<0 50 <br /> 11/23/04 1427 3842 000 -2415 0 03 -- ND<50 ND<0 50 ND<0 50 ND<0 50 ND<l 0 -- ND<0 50 <br /> 01/26/05 1427 3565 000 -2138 277 -- ND<50 ND<0 50 062 ND<0 50 ND<1 0 -- ND<0 50 <br /> 04/18/05 1427 3300 000 -1873 265 -- ND<50 ND<0 50 ND<0 50 ND<0 50 ND<1 0 -- ND<0 50 <br /> 08/23/05 1427 3643 000 -22 16 -3 43 -- ND<50 ND<0 50 ND<0 50 ND<0 50 ND<1 0 -- ND<0 50 <br /> 10/14/05 1427 37 72 000 -23 45 -129 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 14 06 -- -- -- -- 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<l 0 -- ND<2 0 <br /> 08671 Page 8 of 9 <br />