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0 Total depth of borings 75 ft Diameter of boring: 8 in Date drilleds 12/18/91 <br /> Casing diameters 4 in Length, 64 5 ft Slot size. 10 in <br /> Screen diameters 4 in Lengths 25 ft Material types PVC <br /> Drilling Company, Woodward Drilling Co Drillers Wayne Eric Robert <br /> Method Useds Hollow-stem Auger Field Geologists Claudia <br /> Signature,of Registered Professionals <br /> Registration No.s 43139 States Calif <br /> SAMPLEWELL <br /> DEPTH o P.I.D. USCS DESCRIPTION <br /> NO. m CODE 1 CONST. <br /> 0 Asphalt, gravel base fill <br /> 2 <br /> CL ( Cloy block slightly damp slight plasticity <br /> 4 <br /> 6 S-6 39 ppmv ML -Silt, light brown, hard <br /> 8 <br /> , <br /> 10 - <br /> S-11 <br /> 0S-11 17 Silt trace clay moderate drown camp s .0 <br /> ppmv <br /> 12 ' <br /> 14 <br /> 16 S-1 fi 12 ppo►v Stiff <br /> i <br /> 18 <br /> 20 <br /> S-20 A 51 ppmv ' Very stiff <br /> (section contin es downward) <br /> !'�1► � LOG 4F BORING: B6/MVIl2 PLATE <br /> IA <br /> r r mss_ AS <br /> ARCO Service Station No. 2130 <br /> FILE Na <br /> 7905 North E! Dorado Street C17 Stockton,PROJECT NO. 30003-4 0003135A California <br />