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LOG OF BORING <br /> PROJECT Thrifty Oil Company Station No. 172 BORING No B-4 (MW-4) <br /> 7647 Pacific Avenue, Stockton,CASHEET No 2 OF 3 <br /> JOB No SSB 91-103$ LOGGED BY D. Stanton ELEVATION TOP OF HOLE 12.63} <br /> ILL RIG _Mabil�--57 DRILLED BY SRRS Dry 11 GROUNDWA'T'ER 57.5' <br /> z Rg-- <br /> LOCATION South of west fuel island. DATE STARTED- 5/31/91 <br /> DATE COMPLETED- 5/31/91 <br /> z F <br /> U DESCRIPTION 3 G C REMARKS <br /> Q <br /> ML SILT, Sandy with clay, moist, low <br /> plasticity, brown <br /> 5 LRS 43 3 ppm No Hydrocarbon <br /> Odor <br /> O Becoming dark brown, increasing slit LRS 15 7 ppm No Hydrocarbon <br /> Odor <br /> 45 LRS 35 12 ppm No Hydrocarbon <br /> SM SAND, Silty; moist, fine grained, Odor <br /> dark <br /> Increasing sand, dark brown LRS 19 11 ppm No Hydrocarbon <br /> Odor <br /> tFine to medium grained LRS 30 70 ppm No Hydrocarbon <br /> Odor <br />�7.5 <br /> No Sample <br /> SSH Envtrorimen1=a1 <br /> Consuitanzs. Inc. <br /> 5740 East Shields Avenue Suite 103 Fresno CA 93727 (209) 292-5736 <br />