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Total depth of boring. 61-1/2 Feetolameter of boring: 8-1/4 Irogte drilled. 8/18Z1992 <br /> Casing diameters-4 inch Lengths 60 Feet Slot sizes 0 10 Inch <br /> Screen diameters 4 Inch Lengths 25 Feet Material types PVC <br /> Drilling Company, Wayne Drilling Co Drillers Richard/Joy <br /> Method Used, Hollow—stem ouger, California modified split—spoon Field Geologists Claudio Avila <br /> Signature of Registered Professionals <br /> Registration No.s 43139 State, California <br /> MEASURED SAMPLEUSCS WELL <br /> DEPTH NO. o P.I.D. CODE DESCRIPTION <br /> m CONST. <br /> 0 <br /> Asphalt and gravel fill <br /> 2 <br /> CL Silty clay, olive black dry low plasticity <br /> 4 • I <br /> ,w S-5 8 ppmv SM Silty sand fine—grained grayish oranae cry non—piastic loose <br /> 6 <br /> 8 <br /> 10 S-10 iD 0 ML Clayey silt moderate yellowish brown ary ,ow plasticity stiff <br /> ppmv <br /> 12 - <br /> 14 — <br /> S-15 <br /> 214S-15 14 0 <br /> ppmv <br /> 16 - <br /> 18 — <br /> LOG <br /> 6 <br /> 18 <br /> I <br /> � I . <br /> LOG F B-12/VW-7 PLATE <br /> � O BORING. B f2/WW 7 <br /> MAWAWA W/""""S ARCO Service Station No. 2130 <br /> Fill NO <br /> 7906 El Dorado Street C34 <br /> PROJECT NO. 30003 Stockton <br /> 0003c1aA , California <br />