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fi <br /> %,30RING LOG <br /> PROJECT NO: 490-STK PROJECT NAME: MV-Stockton BORING NO: B9 <br /> LOCATION: East end of EW tank pit DATE: 4-20-90 <br /> GEOLOGIST: Cinda C. MacKinnon, R.G. (#4316) Page 1 of 1 <br /> GROUND WATER DEPTH DRILLER:W. Haz Mat <br /> DRILLING METHODS: Hollow stem auger; Acker AD-2 rig <br /> 0 <br /> E <br /> CL ( DESCRIPTION WELL CONSTRUCTION <br /> n ¢ n. <br /> c7 <br /> 0- <br /> tan brown silt and sand; loose; dry; loose <br /> Fill <br /> --------------------------------- <br /> 5 <br /> dark brown silty clay; moist <br /> 16- _ ------------------------- ---- - i <br /> sample $9 (9.5-10') olive brown silty clay;w C L <br /> 1 O-2K 1 6" 27_ slightly mottled; slightly moist; dense <br /> 29 <br /> 15- <br /> 201 <br /> REMARKS <br /> MACKINNON ENVIRONMENTAL CONSULTING <br /> WALNUT CREEK, CA <br />