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Total depth of borings 35 Pt Diameter of boring: 8 in Date drilled, 11/20/91 <br /> Casing diameter_N/A _ Lengthy N/A Slot size. N/A <br /> 10) Screen dlameters N/A Length: N/A Material typo_N/A <br /> Drilling Company: JCON Exploration Driller, Jim <br /> Method Useds Hollow—stern Auger Field Geologist, Claudio <br /> Signature of Registered Professionaiit <br /> Registration No.; 43139 State: Calif <br /> DEPTH SAMPLE o P.I.D. USCS DESCRIPTION WELL <br /> NO. m CODE CONST. <br /> 0 Asphalt <br /> 2 CL Clay, black, damp <br /> 4 <br /> 5-5 23 0 Clay some silt, black—light olive green, slightly damp, ' <br /> ppmv hard <br /> 6 <br /> 10 5-10 57 ppmv light olive green, (orange staining, massive) • •. <br /> 12 - <br /> S-15 <br /> 2 5-15 37 0 ML Slity clay, light alive green, hard <br /> PPrnv (horizontal orange staining, black nodules) <br /> 18 <br /> 20 5-20 59 0 <br /> PPmv - <br /> (section continues downward) . `. '• <br /> LOG OF BORING: B-13 PLATE <br /> /"IAN"s ARCO Service Station No. 6100 <br /> 25775 South Patterson Pass 26 <br /> PROJECT NO. 30041-2 � M0 Tracy, California <br /> 0041B1oA <br />