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Total depth of borings 115 ft Diameter of borings 8 in Date drllleds 1 p/9/91 <br /> Casing diameter, <br /> 4 in Lengths 30 ft Slot sizes 0-45 05 <br /> Screen diameters 4 in Lengths 30 ft Material types PVC <br /> Drilling Companys JCON Ex !oration Drillers Jim Greg <br /> Method UBeds Hollow—stern Auger Field Geologlsts Richard Alden <br /> Signature of Registered Professionals <br /> Registration Nos 43139 Stale, Calif <br /> DEPTH SAMPLEo P.I.D. IISGS DESCRIPTION WELL <br /> NO. m CODE CONST. <br /> I <br /> 0 Asphalt <br /> 2 <br /> 4 <br /> 6 S-5 12 ppmv ML Silt trace cloy, olive gray, damp, stiff <br /> 8 <br /> 10 <br /> S-10 30 161 Silt, pale alive with dark yellowish orange root _ <br /> l ppmv structures, slightly damp, very stiff <br /> 12 - <br /> 14 - <br /> - <br /> 214 16 S-15 20 p167 <br /> 18 <br />' <br /> - 20 - <br /> S-2D 16 174 Sorne dark greens5h yellow mottling <br /> ppmv <br /> (section continues downward) <br /> AWAMAL/i LOG OF BORING: B-9/VW-4 PLATE <br /> 5==,%Aa ARCO Service Station No. 6100 <br /> 25775 South Patterson Pass 12 <br /> PROJECT NO. 30041-2 00411Tracy, California36A <br /> 1 <br />