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V . <br /> Total depth of,boring, 65 ft. Diameter of boring: 10 in. Date drilled, 10117/91 <br /> Casing diameters 4 in. Lengths 64 ft. " Slot slzes.0.020 in. <br /> Screen diameter, 4 in. Lengths 20 ft. Material typo PVC <br /> Drilling Company, Westex Drillers Chris & Mark <br /> Method Used, Hollow—stem Auger Field Gooloalstj Claudio <br /> Signature of Registered Professional, <br /> Reglatration No.s 4313 S tee Calif. <br /> DEPTH SAMPLE o P.I.D. USCS DESCRIPTION WELL <br /> NO. m CODE CONST. <br /> a Asphalt. <br /> 2 Silty sand, reddish brown. . <br />• Sand some silt. <br /> 4 <br /> S-5 56 0 ML Silt some clay, black to light brown, slightly damp, slight <br /> ppmv plasticity, hard. <br /> 6 <br /> S-10 18 0 SW Sand, fine— to medium—grained, light brown to light olive <br /> d ppmv green, slightly damp, medium dense. <br /> 12 - <br /> 14 - <br /> S-15 <br /> 214S-15 25 ppmvModerate brown. <br /> r 16 <br /> 18 — <br /> S-20 40 0 ML Silt, some clay, light brown, slightly damp, slight plasticity, <br /> 20 ppmv hard. <br /> (section continues downward) <br /> art/� LOG OF BORING: B-9/MW-4 PLATE <br /> i� RAW VAM S ARCO Service Station No. 548 <br /> 1612 Hammer Lane 13 <br /> PROJECT NO. 30004-4 0004LE D8A Stockton, California <br />• <br />