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Total depth of boring, 72 feet Diameter of boring, 8 inch Date drilled_8/11-12/92 <br /> iCasing diameter, 2 inch Length, 52 feet Slot size, 0 010 <br /> Screen diameter, 2 inch Length, 20 feet Material type. PVC <br /> Drilling Company, WESTEX Drillerm-Tony Jaramiilo <br /> Method Used, Hollow—stem auger, California modified split—spoon F d Geologlst, Tom Lutterman <br /> Signature of Registered Professional, <br /> Registration Nor 4313 tate, California <br /> MEASURED SAMPLE oELL <br /> P.I.D.P.I.D. USCS DESCRIPTION <br /> DEPTH NO. a=; CODE CONST. <br /> 0 <br /> Concrete and gravel fill <br /> 2 <br /> 4 <br /> S-5 55 ppmv MH Silt, trace clay dark yellowish brown dry, medium plasticity, hard <br /> 6 <br /> 8 <br /> 10 5-10 55 p0 3 Moderate yellowish brown <br /> mV <br /> 12 <br /> 14 <br /> S-15 81 ppmv ML Silt, moderate yellowish brown, dry, non—plastic, hard <br /> 16 <br /> 18 <br /> A'AwAari LOG OF BORINGi B-17/MW-12 PLATE <br /> S�—tv/PM Unocal Service Station No. 6981 <br /> 4707 Pacific Avenue <br /> PROJECT NO. 38032 80321°5A Stockton, California <br />