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r <br /> PROJECT Thrifty Oil Company Station No�_172 BORING No B-2 (MW-2) <br /> 7647 Pacific Avenue, Stockton CA SHEET No 1 OF 3 <br /> JOB No SSB 91-1038 LOGGED BY J. Paul ELEVATION TOP OF HOLE 12 98' <br /> ' RILL RIG Mobile B-57 DRILLED BY SB&S ,Drilling GROUNDWATER 58' <br /> LOCATION Northeast of north end of west fuel island. DATE STARTED 5/24/91 <br /> DATE COMPLETED 5/24/91 <br /> Z �• <br /> C Z <br /> C <br /> cam. C <br /> DESCRIPTION = � 3 �; REMARKS <br /> c a ti " 'c e <br /> v � <br /> 3" Asphaltic concrete and base rock No Hydrocarbon Odor <br /> CL CLAY, With Sand, organic, plastic, <br /> moist, black <br /> 5 LRS 29 11 ppm No Hydrocarbon Odor <br /> Wood Chunks <br /> 7 <br /> SM SAND, Silty, moist, fine to medium Slight Hydrocarbon <br /> grained, gray Odor in Cuttings <br /> 10 LRS 29 6 ppm Slight Hydrocarbon <br /> Odor <br /> 15 LRS 20 14 ppm Slight Hydrocarbon <br /> SP SAND, Poorly Graded; moist, medium Odor <br /> to coarse grained, gray <br /> 20 LRS 18 655 ppm Slight Hydrocarbon <br /> SM SAND, Silty; moist Odor <br /> 1 <br /> 25 LRS 12 621 ppm Strong Hydrocarbon <br /> I ML SILT, Clayey; with sand, slight Odor <br /> plasticity, moist, dark brown <br /> 304 Increased sand, brown LRS 28 515 ppm Slight Hydrocarbon <br /> SSH Env,rrvnmanzal <br /> Consultants, irtc. <br /> 5740 East Shjekds Avenue. Suite 103 Fresno CA 93727 (209) 292-5736 <br />