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ALISTO ENGINEERING GROUP LOG OF BORING MW-3 Page i of 1 <br /> WALNUT CREEK, CALIFORNIA <br /> . ALISTO PROJECT NO 10-085 DATE DRILLED 12106193 <br /> CLIENT BP 011 Company <br /> SEE SITE PLAN LOCATION 2375 Tracy Boulevard, Tracy, California <br /> DRILLING METHOD Hollow-Stem Auger (10") <br /> DRILLING COMPANY Soils Exploration ServicesCASING ELEVATION 2521 <br /> LOGGED BY Ted Moise APPROVED BY Al Sevilla <br /> � � J <br /> WELL DIAGRAM �� � � GEOLOGIC DESCRIPTION <br /> O y O <br /> i <br /> �7 <br /> 0 <br /> The original Groundwater Monitoring well, MW-3, was <br /> destroyed and replaced In the same location with <br /> 4-inch-diameter Recovery well, MW-3, see well construction <br /> diagram <br /> o See attached boring log by Kaprellan Engineering, Inc for <br /> _ <br /> LCU sail classification and discrlptions <br /> _ The well was initially overdrilled with 8-inch-diameter <br /> hollow-stem augers to remove the sanitary seal materials and <br /> m provide access to the well casings The well casings were <br /> then removed, and the hollow-stern augers were advanced to <br /> the total depth of the original boring After drilling, the well <br /> c _ 1a was constructed as shown <br /> b — � <br /> � = c <br /> _ 4 <br /> 4 U <br /> N <br /> Q 15 <br /> 20- <br /> 25- <br /> 30— <br /> i <br />