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Project Number BORING NUMBER: <br /> CH21MIHILL 131420.A1.09 MW-DIS-12 Sheet 1 of 4 <br /> SOIL BORING LOG <br /> Project: Del Monte-Disco Site,Stockton,CA Locution: South side of Lafayette St:near Glacier Ct.,Stockton,CA <br /> j <br /> Ground Surface Elevation: Drilling Contractor: Spectrum Exploration <br /> Drilling Method & Equipment: CME 85 HSA 8"OD 4" ID Logger: Lucius Taylor <br /> Water Levels: Start: 10-30-01 Finish: 10-30-01 <br /> sample Soil Description Comments <br /> _ standard Soil name, USCS group symbol, color, Depth of casing, drilling rate, <br /> Penetration moisture content, relative density or drilling fluid loss, tests and <br /> m CL Z Results consistency, soil structure, mineralogy instrumentation <br /> P o <br /> aoi 3 a v <br /> O N 5 Z co � (td) <br /> SILTY CLAY,(CL),black 7.5 YR 2.511,low plasticity, Hand Auger to 5' <br /> med.tough, X15%silt Soil logged from cuttings from <br /> 0-80'bgs,continuous core from 80-95' <br /> 5.0 CLAY,(CL),dark yellowish brown,10 YR 414,med. 71 Clay surfaces in 1-2"balls 71 <br /> Y <br /> plasticity,low toughness <br /> E 10.0 same as above <br /> i <br /> I <br /> 15.0 same as above <br /> I <br /> 20.0 same as above <br /> I <br /> 25.0 same as above <br /> I <br /> i <br /> 30.0 <br /> f <br /> i <br /> [Disco MW-DIS-121 Pdrned:03/01P2002 <br />