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Total depth of boring, 72 feet Diameter of boring, 8-1/2 irDhts drilled, 8/24/92 <br /> Casing diameter, 2 inch Length, 51 feet. Slot sizer 0.010 <br /> Screen diameter, 2 inch Length, 20 feet Material types PVC <br /> Drilling Company, WESTEX Driller,-Tony/Mark <br /> Method Used, Hollow—stem auger; California modified split—spoon Field Geologist, Richard Alden <br /> Signature of Registered Professional, <br /> Registration Mai 4313 States California <br /> 1tEASUR SAMPLE c <br /> P.J.D. USCS DESCRIPTION WELL <br /> DEPTH NO. m CODE CONST. <br /> 0 <br /> 1/4 foot concrete over native fill. <br /> 2 <br /> 4 5 <br /> S-5 41 ML Silt, with some coarse sand and fine—gravel, dark yellowish <br /> ppmv brown, dry, non—plastic, hard. <br /> 6 <br /> 8 <br /> 10 S-10 84 ppmv Mottled, dark to moderate yellowish brown, with calcite veins. <br /> 12 - <br /> - 14 — <br /> S-15 <br /> S-15 72 ppmv Moderate yellowish brown. <br /> 16 <br /> 18 <br /> �--��� LOG OF BORING: B-19/MW-13 PLATE <br /> _==Min Unocal Service Station No. 0981 <br /> 4707 Pacific Avenue <br /> RLE NO. <br /> PROJECT NO, 36032 80321-14A Stockton, California <br />