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I Table 2 Groundwater Levels and Chemical Analysis Former Mobil Bulk Plant 04343 Well Date Top of Depth Ground- TPH-G TPH-D Benzene Toluene Ethyl- Total Fecal Lead Phenol Diethyl 2-HEX MTBE ID Casing to water (ppb) (ppb) (ppb) (ppb) benzene Xylenes Coliform (ppb) (ppb) Phthalate (ppb) (ppb) Elevation Water Elevation (ppb) (ppb) (ppb) (ppb) (feet) (feet) (feet) AW-12 04102193 31.56 10.00 21.56 NO 63 NO NO NO NO - - - -- -- -- 05/2/193 10.08 21.48 NO ND 9.6 ND ND ND - - - - - - 10r28193 10.42 21.14 ND NO ND ND ND NO - - - - - - 01/21/94 10.38 21.18 ND ND ND ND ND NO - -- -- - --- 05/02194 10.15 21.41 NO NO NO NO NO NO - - - --- --- - i 07/15194 10.36 21.20 NO NO NO NO NO 0.80 - - - -- -- - 10/081J4 10.58 20.98 ND NO NO NO NO NO - - - - - - 01/12/95 10.24 21.32 NO NO NO NO NO NO - - - - - - 0420195 10.35 21.21 87 W 2.1 7.8 5.6 23 - - - - - - 0a116/95 10.45 21.11 NO NO NO NO NO NO - - - - - -- 10/24/195 10.54 21.02 NO NO NO NO NO NO - - - - --- NO 0128196 10.20 21.36 NO 87 0.71 NO NO NO - - - - - NO i NOTES: ppb= parts per billion Top of casing elevations were surveyed in reference to a railroad spike set In an TPH-G. total petroleum hydrocarbons as gasoline Island of the approximate centeritne of East Grantilne Road 19.5 test west tram the TPH-D= total petroleum hydrocarbons as diesel centerline of the railroad spur tracks. IM= rat detected at or above method detection I" All wells resurveyed on April 7,1992,by Land Improvement Services.April 7 and 24, j not measuraddtot analyzed 1992,data reflect resurveyed eievalkrns. 24iEX= 2-HeXaw"l(E) sample reported as not matching typical gasoline pattern ••rr sample reported as not appearing to contain gasoline 3t}013WW nate,4/23/86 Pegs 11 of'11