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Total depth of borings 45 FT Diameter of boring: S in Date drilleds 111/27./91 <br /> Casing diameters N/A Lengths N/A Slot sizes N/A — <br /> Screen diameter, N/A Lengths N/A Material types N/A <br /> Drilling Company& JCON Exploration Drillers Jim, Craig <br /> Method Used, Hollow—stem Auger Field Geologlati Claudia <br /> Signature of Registered Professionals <br /> Registration Noz 43139 State, Calif <br /> DEPTH SAMPLE o P.I.D. USCS DESCRIPTION WELL <br /> NO. m CODE CONST <br /> 0 Asphalt - <br /> 2 . <br /> 4 <br /> 0 Silt some clay, light olive green slightly damp, <br /> S-5 9 ppmv ML medium stiff (orange stains) . . <br /> 8 - <br /> 10 S-10 26 0 Stiff. <br /> ppmv •. <br /> 12 , <br /> 14 <br /> S-15 36 ppmv clayey silt, hard <br /> 16 <br /> - 18 - <br /> 2D <br /> 8 20 S-20 42 ppmv Silt trace clay <br /> (section continues downward) <br />. <br /> IAW"AkMAM LOG OF BORING: B-19 PLATE <br /> 0!� �— ARCO Service Station No. 6100 <br /> 25775 South Patterson Pass 42 <br /> PROJECT NO. 300412 0041016A Tracy, California <br />