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PROJECT Thrifty Oil Companv Station No. 172 Bu,,.NG No b-4 (MW-4) <br /> 7647 Pacific Avenue, Stockton, CA SHEET No 2 OF 3 <br /> JOB No SSB 91-1038 LOGGED BY D ELEVATION TOP OF HOLE 12.63' <br /> S t'n,�on.,...-- <br /> DRILL RIG `MobLIe- 8-57 -- DRILLED BY _ SMS Drillin2 GROUNDWATER 57.5' <br /> LOC-kTION South of west fuel island DATE STARTED 5/31/91 <br /> DATE COMPLETED 5/31/91 <br /> Z r <br /> C <br /> D E.S CR11MON REMARKS <br /> ML ILT, Sandy with clay; moist, low <br /> Plasticity, brown <br /> � 35 LRS 43 3 ppm No Hydrocarbon <br /> Odor <br /> 140 Becoming dark brown, increasing silt LRS 15 7 ppm No Hydrocarbon <br /> Odor <br /> 145LRS 35 12 ppm No Hydrocarbon <br /> SM SAND, Silty, moist, fano grained, Odor <br /> dark <br /> � 50 Increasing sand, dark brown LRS 19 11 ppm No Hydrocarbon <br /> Odor <br /> 55 Fine to medium grained LRS 30 70 ppm No Hydrocarbon <br /> I Odor <br /> 57.1 <br /> 60 ~~� No Sample <br /> SSB Envircnmental <br /> C©nsultanzs. Inc. <br /> 5740 East Shieias Avenue, Suite 103 Fresno CA 93727 (209) 292-5736 <br />