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Total depth of boring, 61-1/2 FeetDiameter of borings B- 'a inch Date drilled,, 8/19/1992 <br /> . Casing diameters 4 Inch Length, 60 Feet Slot size, 0 10 Inch <br /> Screen diameter, 4 Inch Length, 30 Feet Material type, PVC <br /> Drilling Company, Wayne Drilling Co -- Driller, Ricrara,.la <br /> Method US"-Hollow—stem auger, California modified split—spoon Field Geologist, Claualo Avila <br /> Signature of Registered Professionals <br /> Registration No., 43139 State, C::.ifcrnio <br /> MEASURSAMPLE USCS I I WELL i <br /> DEPTH NO. m P'�' CODE I DESCRIPTION <br /> I CONST.I <br /> III I <br /> 0 <br /> I Asphalt and gravel fill <br /> I <br /> 2 <br /> I <br /> 4 <br /> S-5 8 PPmv ML Slit trace sand, fine—grained ;,ale ti,ellowisn brown cry <br /> non—plastic, medium stiff <br /> • 6 <br /> B �7 <br /> 10 S-10 1 8 ppmv 1 Clayey silt light olive gray low was„city. stiff I •' <br /> t2 <br /> I <br /> 14 <br /> S-15 50 7 <br /> ppmv <br /> 1s I. I <br /> f <br /> 18 1 <br /> � II <br /> �_��� I� LOG OF BORINGS B-15/VW-10 PLATE <br /> Ii"IIIA ARCO Service Station No, 2130 <br /> 7906 El Dorado Street C42 <br /> PROJECT NO. 30003 00o <br /> NO <br /> Stockton, California <br />