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Total depth of boring, 75 ft Diameter of boring, 8 in Date drilleds 12/18/91 <br /> Casing diameters 4 in Length, 64 5 ft Slot sizes 10 in <br /> Screen diameters 4 in Lengths 25 ft Material type, PVC <br /> Drilling Company, Woodward Drilling Co Drillers Wayne/Eric/Robert <br /> Method Useds Hollow—stern Auger — Field Geologists Claudio <br /> Signature of Registered Professionals <br /> Registration No.s 43139 State, Calif <br /> SAMPLE ; USCS WELL <br /> DEATH NO. m P•I.D, CODE I DESCRIPTION <br /> CONST. <br /> 0 Asphalt gravel base fill <br /> 2 <br /> CL Clay, block slightly damp slight piastic1t, <br /> 4 I <br /> 0 <br /> S-6 39 <br /> 6 ppmv MEL Silt, light brown, hard <br /> S <br /> 10 - <br /> S-11 <br /> aS-11 17 0 Silt trace clay moderate brown camp <br /> ppmv <br /> 12 I <br /> 14 <br /> 18 5-16 12 0 Stiff <br /> ppmv <br /> 18 <br /> - 20- <br /> S-20 51 ppmv Very stiff <br /> (section contin,�es aownward) <br /> • <br /> LOG OF BORING: B6/MW2 PLATE <br /> ARCO Service Station No. 2130 <br /> 1905 North EI Dorado Street C17 <br /> PROJECT NO. 30003-4 0003D5A Stockton, California <br /> i <br />