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�.J0RING LOG .� <br /> PROJECT NO: 490-STK PROJECT NAME: MV-Stockton BORING NO: B5 <br /> LOCATION: S end of SW 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 agger; Acker AD-2 rig <br /> Q <br /> E <br /> CLCL DESCRIPTION U WELL CONSTRUCTION <br /> < a <br /> ro <br /> L7 <br /> 0— Brown sandy silt and gravel <br /> 5 olive brown silty clay with dark brown mottling; <br /> plastic; slightly moist <br /> CL <br /> 1 9- <br /> 26- sample B5 (9.5-10') <br /> 1 0 44 no odor <br /> 10- <br /> 21 - <br /> 35 <br /> 15 <br /> 21J <br /> REMARKS <br /> MACKINNON ENVIRONMENTAL CONSULTING <br /> WALNUT CREEK, CA <br />