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Total depth of boring, 75 ft Diameter of boring, 10 in Date drilled,12/19/91 <br /> Casing diameter, 4 in Length, 645 ft Slot sizes 02 in <br /> Screen diameter, 4 in Lengths 15 ft Material types Pvc <br /> Drilling Company, Woodward Orillinq Co Drillers Wayne/Eric/Robert — <br /> Method Used, Hollow—stem Auqer Field Geologist, C,audio <br /> Signature of Registered Professionals <br /> Registration No.s 43139 States Calif <br /> SAMPLE USCS <br /> DEPTH o NO. CODE <br /> P.I.D. f DESCRIPTION WELL I <br /> m <br /> CONST. <br /> 0 I Asphalt gravel case rite <br /> CL f Clay black slightly damp slight plosticic <br /> 4 <br /> S—o 33 0 Sandy silt fine—, medium—grained sand Yrown <br /> r 6 ppmv SM dry, hard <br /> 8 <br /> 10 <br /> 5— 40 ppmv ML I Silt trace clay moderate brown <br /> I <br /> 12 i <br /> I <br /> 14 <br /> S—�5 68 0 <br /> 15 ppmv SM Sandy silt, fine— medium—grained, brown sligntly carnp <br /> 18 i r• � i. <br /> •� <br /> za <br /> 5-21 98 ppmv ML Silt trace clay, moderate brown no plast c-ty <br /> section continues downward) <br /> jMa�ZAWAWN� LOG OF BORING: B8/MW3 PLATE <br /> �/�!� ARCO Service Station No. 2730 <br /> RLE 7905 North EI Dorado Street C23 <br /> PROJECT NO. 30003-4 0003D7A Stockton, California <br />