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Project Number BORING NUMBER: <br /> CH2MHILL 131420.A1.09 MW-DIS-12 Sheet 3 of 4 <br /> SOIL BORING LOG <br /> 'Project:Del Monte-Disco Site,Stockton,CA Location: South side of Lafayette St.near Glacier Ct.,Stockton,CA <br /> I <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 /> 3 Penetration <br /> o Teat moisture content, relative density or drilling fluid loss,tests and <br /> Results consistency, soil structure, mineralogy instrumentation <br /> a,� Z E o �. <br /> 3 °1 <br /> t� 0 C Z tv M <br /> same as above <br /> 65.0 same as above <br /> i <br /> v <br /> 70.0 same as above <br /> i <br /> 75.0 same as above <br /> 80.0 same as above Begin using core barrel 80' <br /> 81.5-83 SILTY SAND(SM),gravelly:about 30% <br /> sub-angular gravel grains 114-112 Inch,sand is course to <br /> fine with about 10-20%fines, <br /> No gravel present 83-84" <br /> 85.0 84-86 SAND(SW)well graded,little or no gravel present, <br /> 5-10%fines <br /> f 86-88 LIQ(SW)gravelly:about 20%sub-angular quartz <br /> and feldspar <br /> 88 SAND,SILT(ML),dry,50-60%fines,non-low <br /> 90.0 1 1 1 1plasticity <br /> [Disco MW-DIS-12(3)i Primed:0310112002 <br />