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Total depth of boring, 69 ft Diameter of borings 25 in Date drilled, 3/3/92 <br /> Caging diameten 2 in Length, 49 ft slot alzeii 0 010 <br /> Screen diameter, 2 in Length, 20 ft Material types PVC <br /> Drilling Company, Woodward Drilling Co Drillers Erik, Robert <br /> Method Used, Hollow—stern Auger Field Goologlab Richard Alden <br /> Signature of Registered Professlonal, <br /> Registration No.. 4313 State, Calif <br /> DEPTH SAMPLE o P.LD. uses DESCRIPTION WELL <br /> NO. CODE CONST. <br /> 0 <br /> 025 ft of asphalt over 025 ftaqgregate <br /> 2 CL Clay, grayish black, slightly damp <br /> 4 •, <br /> 6 8 Silt, moderate yellowish brown, slightly damp, .' <br /> S-6 19 ppmv ML very stiff <br /> 8 <br /> - 10 - <br /> S-11 <br /> 0S-11 22 ppmv Silt, as at 6 ft , with calcite veins and concretions <br /> 12 <br /> 14 - <br /> 16 - S-16 35 ppmv Silt, as at 6 ft . hard <br /> 18 <br /> 20 <br /> 7 <br /> S-21 34 <br /> ppmv .' <br /> (section continues downward) <br /> �r��►►A LOG OF BORING: B-7/MW.6 PLATE <br /> Unocal Service Station No. 6981 <br /> FILE NO 4707 Pacific Avenue 6 <br /> PROJECT NO. 38032 18032G5A Stockton, California <br />