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i <br /> l Total depth of burin¢76 Feet Diameter of boringi 8 Inch Date drilled 6/2/92 <br /> Casing diameter, 4 Inch Lengths 72 Feet Slot slZes 0 10 Inch <br /> Soreen diameters 4 Inch Length, 30 Feet Material type: PVC <br /> Drilling Compenys Woodward Drilling Drillers Eric Rand <br /> Method Useds Hollow--stem auger, California modified split—spoon Field Geologlab Claudio Avila <br /> Signature of Registered Prefesslonal. <br /> Registration Nom 43139 States California <br />, <br /> IiWASUR SAMPLE o PJ.D. USCS WELL <br /> DESCRIPTION <br /> DEPTH NO. m CODE CONST. <br /> I <br /> 0 <br /> Asphalt and gravel fill <br /> 2 <br /> 4 <br /> 6 S-5 13 ppmv MI Clayey silt greenish gray, dry, low—plasticity, stiff <br /> 8 <br /> 10 <br /> S--10 17 0 Very stiff <br /> ppmv <br /> 12 - <br /> 14 - <br /> - <br /> 1 6 S-15 28 my Trace fine—grained sand light olive gray <br /> pp <br /> 18 <br /> �"AwAkIi LOQ OF BOR1NGv 8-23/VW-13 <br /> PLATE <br /> s <br /> WANWArVAPMM ARCO Service Station No. 6100 <br /> 25775 South Patterson Pass 10 <br /> PROJECT NO. 30041FILE NO Tracy, California <br /> 0041C7A <br />