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Total depth of boring, 35 ft Diameter of boring: 8 in Date drilled. 11/20/91 <br /> Casing diameters N/A Length. N/A Slot size. N/A <br /> . Screen diameters N/A Length: N/A Material type: NLA <br /> Drilling Companys JCON Exploration Drillers Jim <br /> Method Useds Hollow—stem Auger ^^ Field Geologist: Claudio <br /> Signature of Registered Professionals <br /> Registration No.: 43139 State: Calif <br /> SAMPLEUSCS WELL <br /> DEPTH NO. m P.I.D. CODE <br /> DESCRIPTION CONST. <br /> 0 Asphalt - <br /> 2 CL Clay, black, damp ' <br /> 4 <br /> S-5 23 0 Clay some silt, black—light alive green, slightly damp, ` <br /> ppmv hard <br /> 10 S-10 57 PPmv Light olive green, (orange staining, massive) <br /> 12 <br /> 14 - <br /> 5-15 37 0 ML Silty clay, light olive green, hard <br /> pprnv (horizontal orange staining, black nodules) <br /> 15 <br /> 1s <br /> 20 S-20 59 0 <br /> ppmv <br /> (section continues downward) •`. <br /> LOG OF BORINGS B-13 PATE <br /> ARCO Service Station No. 6100 <br /> 25775 South Patterson Pass 26 <br /> PROJECT NO. 30041-2 FILE NO Tracy, California <br /> 00416 t 0A <br />