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Table 2 Summary of Ground Water Monitoring and Analysis Former Mobil Bulk Plant 04-343 Well Date Top of Depth Ground TPH-G TPH-D Benzene Toluene Ethyl- Total Fecal Lead Phenol Diethyl 2-HEX ID Casing to Water (ppb) (ppb) (ppb) (ppb) benzene Xylenes coloform (ppb) (ppb) Phthalate (ppb) Elevation Water Elevation (ppb) (ppb) (ppb) (ppb) (feet) (feet) (feet) E AW-10 01121/94 10.42 21.06 ND<60 ND<50 ND<0.5 ND<0.5 ND<0.5 ND<0.6 - (con't) 05/02/94 10.18 21.30' NO ND ND ND NO ND AW-11 04/02/93 31.00 9.58 21.42 NO<50 ND-60 ND<0.5 ND4.5 ND<0.5 ND<0.5 - - - - - 05127/93 9.62 21.38 ND<50 ND<50 ND<0.5 ND<0.5 ND<0.5 ND<0.5 - -- - - - 10128M3 10,46 20.54 ND<50 ND<50 ND<0.5 ND<0.5 ND<0.6 ND<0.5 -- -- - - - 01021/94 9.86 21.14 ND<50 ND<60 ND<0.5 ND<0.5 ND<0.5 ND<0.5 05/02/94 9.88 21,32 NO NO ND ND NO ND - - - "- - AW-12 04102!93 31.66 10,00 21.58 . ND<60 63 ND<0.5 ND<0.5 ND<0.5 ND<0.5 - OW7193 10.08 21.48 ND<50 ND<50 9.6 ND<0.5 ND<0.5 ND<0.5 -- -� - - - 1012M3 10.42 21.14 ND<60 ND<60 ND<0.5 ND<0.6 ND<0.6 ND<0.6 - - - - 011211'94 10.38 21,18 ND<50 ND<60 ND<0.5 ND<0.6 NO<0.5 ND<0.6 - - - - - 05102194 10.15 21.41 ND ND ND ND ND NO -- - - - NOTES: ppb- parts per billion Top o1 casing elevatlons were surveyed In reference to a railroad spice set In an TPH-G- total petroleum hydrocarbons as gasollne island of the approximate oenierilne of East Grantilne Road 19.5 feet west from the TPRD- total petroleum hydrocarbons as diesel centerline of the raliroad spur tracks. ND= not detected at or above method detection limit All wells resurveyed on April 7,1992,by Lend Improvement Services.April 7 and 24, not measured/not analyzed 1992,data reflect resurveyed elevations. 2-HEX= 2-Hexen-1-ol(E) a sample reported as not matching typical gasollne pattern •• sample reported as not appearing to contain gasoline y Pape7d7 3D-013MW DMS,WV"