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Total depth of boring. 70 feet Diameter of boring, 8 Inch Date drillach 8/13/92 <br /> Casing diameter, 2 inch Length, 50 feet Slot size, 0.010 <br /> Soreen diameter, 2 inch Length, 20 feet Material type, PVC <br /> Drilling Companyt WESTEX Drillers Tony Jaramillo <br /> Method Usedi Hollow—stem auger; California modified split—spoon Field Geologlati Tom Lutterman <br /> Signature of Registered Professionsl, <br /> Registration Noj 4313 State, California <br /> MEASURED SAMPLE 3 USCS DESCRIPTION WELL <br /> DEPTH NO. m PJD. CODE CONST. <br /> 0 <br /> Concrete and gravel fill <br /> 2 CL Clay, dark grayish black, moist, medium plasticity, hard. <br /> 4 <br /> S-5 41 PPmy ML Silt, moderate yellowish brown, moist, low plasticity, hard. <br /> 6 <br /> 8 <br /> 10 S-10 43 pp0 Trace clay, dry. <br /> 12 <br /> 14 <br /> S-15 39pPmv Silt, moderate yellowish brown, dry, non—plastic, hard. <br /> 16 <br /> 18 <br /> ML/SM <br /> �-_A �` LOG OF BORING: B-15/MW-10 PLATE <br /> t==om�U Unocal Service Station No. 6981 <br /> 4707 Pacific Avenue <br /> PROJECT NO. 38032 n� ND Stockton, California <br /> 8032H7A <br />