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Total depth of boring, 115 ft Diameter of boring: S in Date drilled:_10/9/91 <br /> Casing diameter, 4 in Length, 30 ft Slot size, '6'503114as <br /> Screen diameter, 4 in Length, 30 ft Material type: PVC <br /> Drilling Companyc JCON Exploration Drillers Jim Gre <br /> Method Used, Hollow—stern Auger Fleld Geologlet, Richard Alden <br /> Signature of Registered Professional: <br /> Registration No- 43139 States Calif <br /> DEPTH SAMPLE 3a P.I.D. USCS DESCRIPTION <br /> WELL <br /> NO. m CODE CONST. <br /> Asphalt <br /> 2 <br /> 4 <br /> 6 S-5 12 pPmv ML Silt trace clay, olive gray, damp, stiff <br /> 8 <br /> _ 10 - <br /> S-10 3D 161 Silt, pole olive wAh dark yellowish orange root ' <br /> ppmv structures, slightly damp very stiff <br /> 12 - <br /> 14 - <br /> - <br /> 16 S-15 20 167 <br /> pprnv <br /> 18 <br /> 20 <br /> 5-20 16 174 <br /> 4Some dark greenish yellow mottling <br /> PPMv (section continues downward) <br /> ��<Ii LOG OF BORING: B-9/VW-4 PLATE <br /> r. Ak..,...... <br /> +t� A ARCO Service Station No. 6100 <br /> FILE 25775 South Patterson Pass 12 <br /> PROJECT NO. 3004 004 2 ND Tracy, California <br /> 1B6A <br />