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. Total depth of boring, 56 feet Diameter of boring, 10 inch Date drilled,. 4/27/92 <br /> Casing diameter, 4 inch Length, 55-1/2 feet Slot size, D2 <br /> Screen diameter, 4 inch Length, 20 feet Material type, PVC <br /> Drilling Company, WESTEX Driller, Tony Z ken <br /> Method Used, Hollow-stem auger California modified split-spoon Field Geologist, Claudio <br /> Signature of Registered Professional, <br /> Registration No, 43139 State, California <br /> t1EASURED SAMPLE 3 USCS WELL <br /> DEPTH NO. m P I.D. CODS DESCRIPTION <br /> CONST <br /> 0 <br /> Asphalt and gravel fill <br /> 4 S-5 51 0 ML Silt with trace clay moderate yeFow sh brown dry <br /> ppmv non—plastic hard <br /> 6 <br /> 8 <br /> 5-10 44 0 <br /> 10 ppmv <br /> 12 <br /> 14 S-15 83 1 2 <br /> ppmv <br /> 16 <br /> 18 I <br /> I <br /> I { <br /> f <br /> 7 <br /> 1 <br /> �AWA`A,IAM LOG OF BORING: B-5/MW-1 PLATE <br /> t� PIAN®A ARCO Service Station No. 2168 <br /> 44 West Charter Way B-8 <br /> PROJECT NO. 31009 FILE "o 1oa901oa Stockton, California <br />