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Total depth of boring, 75 ft Diameter of borings 10 in Date drilled, 12/16/91 <br /> Casing diameters 4 in Lengths 74 3 ft Slot sizes 02 <br /> Screen diameters 4 in Lengths 15 ft Material types PVC <br /> Drilling Company, Woodward Drilling Co Drillers Wayne/Robert <br /> Method Used: Hollow—stem Auger Field Geologists Claudio <br /> Signature.of Registered Professionals <br /> Registration No.s 43139 Stater Calif <br /> SAMPLE 3 USCS WELL <br /> DEPTHNO. o P.I.D. CODE DESCRIPTION CONST. <br /> 0 Asphalt grave4 base fill <br /> 2 CL Clay, black slightly damp slight plasticity <br /> 4 <br /> 6 S-6 31 ppmv SM Silty sand fine— medium--grained sand light brown <br /> slightly damp dense <br /> 8 <br /> 10 <br /> 0 <br /> 5-11 31 <br /> PPmv ML Clayey silt light brown slightly damp slight piasucity <br /> 12 stiff <br /> i <br /> 14 <br /> I <br /> 16 S-16 38ppmv Silt trace clay hard <br /> 18 <br /> 20 <br /> S-21 31 my Silt trace fine—grained sand light brown slightty damp <br /> pp hard � <br /> (section continues downward) <br /> �►AWAL/AM LOG OF BORING: B2/MW1 PATE <br /> t—_1♦�� ARCO Service Station No. 2130 <br /> 7906 North EI Dorado Street C5 <br /> PROJECT NO. 30003-4 rl N0 Stockton, California <br /> 0003D1A <br />