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Total depth of borings 40 feet Diameter of boring, 10 inch Date drilled, 5/6/92 <br /> Casing diameter, 4 inch Length, 40 feet Slot size, 10 <br /> Screen diameter, 4 inch Length, 25 feet Material types PVC <br /> Drilling Company, Wayne Drilling Co Drillers Steve Wade <br /> Method Used, Hollowstemauger California modified split—spoon Field Geologist, Claudio <br /> Signature of Registered Professionals <br /> Registration Nos 43139 State, California <br /> MEASURED SAMPLE o P.I.D. USCS DESCRIPTION WELL <br /> DEPTH NO m CODE CONST. <br /> 0 <br /> Asphalt and gravel fill <br /> 2 <br /> 4 <br /> Silt trace clay moderate brown ary iow plasticity stiff <br /> 5-5 13 ppmv ML <br /> 6 <br /> 8 <br /> 10 S-10 38 $ Clayey silt pale yeliowish brown dry medium plasticity hard <br /> ppmv <br /> 12 <br /> 14 <br /> 5-15 24 40 Silt with trace fine grained sand light olive green dry non plastic <br /> ppmv very stiff <br /> 16 <br /> Clay trace silt lght olive green dry medium plasticity hard <br /> CL <br /> 18 <br /> I <br /> �®®ALW AM LOG OF BORING= B-9/VW-1 PLATE <br /> ie= rVAPM ARCO Service Station No. 2168 <br /> 44 West Charter Way B-19 <br /> PROJECT NO. 31009 "'E NO Stockton, California <br /> 1009D21 A <br />