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j Total depth of borings 75 ft Diameter of borings 10 rn <br /> g Date drilled:_?2119/91 <br /> Casing diameters 4 in Lengths 64 5 ft Slot size, 02 in <br /> Screen diameters 4 on Lengths 15 ft Material types PVC <br /> Drilling Campanys Woodward Drilling Co Drillers Wa ne Eric Robert <br /> Method Useds Hollow-stem Auger_- _ Field Geologists Clouaro <br /> Signature of Registered Professionals <br /> Registration No.s 43139 States Calif <br /> T <br /> SAMPLE cB*1r USCS <br /> DEPTH NO. o P.I.D. CODE DESCRIPTION WELL ! <br /> m CONST. <br /> 0 I Asphalt gravel Gose nu <br /> CL I Clay block slightly damp slight plasGcit <br /> � 4 i <br /> 0 Sandy silt fine— medium—grained sand vrown <br /> 6 S—o 33 ppmv SM dry, hard <br /> 10 <br /> a <br /> S— 1 40 ppML I Silt trace cloy moderate brown <br /> 12 j <br /> 14 <br /> 5—j5 68 0 <br /> 16 ppmv SM I Sandy silt fine— medium--grained brawn slightly camp <br /> 18 r k r r <br /> 2a <br /> S-21 98 ppmv ML Silt trace clay, moderate brown no ptast�-ty <br /> 1 (section continues aownword) <br /> ���1� LOG OF BORING: B8/MW3 PLATE <br /> JC <br /> ' t�AWI`1ANMU ARCO Service Station No. 2130 <br /> 7905 North El Dorado Street C23 <br /> ME "o <br /> PROJECT NO. 30003-410003D7AStockton, California <br />