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Total depth of borings 55-1/2 feet Diameter of borings 10 inch Date drilled, 5/5/92 <br /> Casing diameters 4 inch Length, 54-1/2 feet Slot size, 02 <br /> Screen diameters 4 inch Length, 20 feet Material type, PVC <br /> Drilling Company, Wayne Drilling Co Drillers Steve waae <br /> Method Used, Hollow—stem auger Cahfornio modified split—spoon Field Geologists Clauoio <br /> Signature of Registered Professionals <br /> Registration No., 43139 State, California <br /> PAEASURED SAMPLE � USCS WELL <br /> DEPTH NO. a P•!D. CODE DESCRIPTION <br /> CONST <br /> 0 <br /> Asphalt and grovel fill <br /> 2 <br /> 4 <br /> • 6 5-5 230 ML Silt with trace clay moderate brown dry low plasticity very stiff <br /> pprry <br /> i <br /> a <br /> 10 S-10 25 Dark greenish gray <br /> ppnnv <br /> 12 <br /> 14 <br /> 5-15 41 2 Stiff with some fine grainea sand dark greenisr gray ary <br /> 1 fi PPMv non plastic hard <br /> 18 <br /> I <br /> —®�-,s LOG OF BORING; PLATE <br /> �� O G. B <br /> t�—���■ ARCO Service Station No. 2168 <br /> 44 West Charter Way B-16 <br /> 1009D18A <br /> PROJECT NO. 31009 FILE Stockton, California <br />