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Total depth of borings 45 ft Diameter of boring, 8 in Date drilled, 11Z21/91 <br /> Casing diameter, 4 in Lengths 45 ft Slot sizes 10 <br /> Screen diameters 4 in Length, 30 ft Material types PVC <br /> Drilling Company, JCON Exploration Drillers Jam <br /> Method Useds Hollow—stem Auger Field Geologists Claudia <br /> Signature of Registered Professionals <br /> Registration No.s 43139 State: Calif <br /> DEPTH <br /> SAMPLE P.I.D. USCS DESCRIPTION WELLNO. m CODE CONST. <br /> 0 Asphalt <br /> 2 CL Silty clay black damp <br /> 4 <br /> S-5 14 pp0 Clay some silt, dark brown, stiff <br /> 6 <br /> S <br /> 10 S-10 36 0 ML Silt some cloy, light olive green, slightly damp, . <br /> ppmv hard, (orange staining, black nodules) , <br /> - 12 - <br /> 14 - <br /> S-15 <br /> 214S-15 44 0 <br /> ppmv <br /> 15 <br /> 18 <br /> 20 S-20 42 ppmv Trace fine—grained sand (trace orange staining) <br /> (section continues downward) <br /> ��aW�» LOG OF BORING, B-15/VW-5 PLATE <br /> S��t�S ARCO Service Station No. 6100 <br /> 25775 South Patterson Pass 31 <br /> PROJECT NO. 30041-2 0041B12A FILE 140 Tracy, California <br /> I <br />