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LOG OF BORING <br /> PROJECT Thrifty Oil Company StatYOR No. 172 BORING No B-2 (MW-2} <br /> 7647 Pacific Avenue, Stockton CA SHEET No. 1 of 3 <br /> 6 No SSB 91-1038 LOGGED BY J. Paul ELEVATION TOP OF HOLE 12.98' <br /> DRILL 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 COMPLE'T'ED- 5/24/91 <br /> z F <br /> c <br /> DESCRIPTION ` <br /> ,. � 3 � � REMARKS <br /> N < <br /> V � <br /> 31' 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 /> grainer!, gray Odor in Cuttings <br /> LRS 29 6 ppm Slight Hydrocarbon <br /> Odor <br /> tLRS 20 14 ppm Slight Hydrocarbon <br /> SP SAND, Poorly Graded; moist, medium Odor <br /> to coarse grained, gray <br /> SM SAND, Silt LRS 18 655 ppm Slight Hydrocarbon <br /> y, moist Odor <br /> LRS 12 621 ppm Strong Hydrocarbon <br /> j ML SILT, Clayey; with sand, slight Odor <br /> plasticity, moist, dark brown <br /> 1 <br /> 30 Increased sand, brown LRS 28 515 ppm Slight Hydrocarbon <br /> .dbk�j <br /> SSE B E=nvirranmencal <br />' Ccrnsulttanzs, Ir-1c. <br /> 5740 East Shields Avenue Suite 103 Fresno CA 93727 (209) 292-5736 <br />