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Project Number BORING NUMBER: <br /> CH21MIHILL 131420.A1.09 MW-DIS-13 Sheet 3 of 3 <br /> i <br /> SOIL BORING LOG <br /> Project: Del Monte-Disco Site,Stockton,CA Location: South side of Lafayette St.near Sequoia St.,Stockton,CA <br /> lGround Surface Elevation: Drilling Contractor: Spectrum Exploration <br /> Drilling Method& Equipment: CME 85 HSA 8"OD 4" ID Logger: Lucius Taylor <br /> Water Levels: Start: 10-31-01 Finish: 10-31-01 <br /> Sample Sail Description Comments <br /> standard Soil name, USCS group symbol, color, Depth of casing, drilling rate, <br /> 3 Penetration <br /> o Test moisture content;relative density or drilling fluid loss,tests and <br /> m L o L Results consistency,soil structure, mineralogy instrumentation <br /> Z cocd� — <br /> D N E Z as cc .. (N) <br /> same as above <br /> Increasing moisture <br /> 65.0 CLAY,(CL),dark brown, 10 YR 313,moist,mod.plastic,soft <br /> 1 <br /> 70.0 same as above <br /> 75.0 same as above <br /> 80.0 80-80.5 same as above Begin continuous core <br /> j 80.5-82 CLAYEY__GRAVEL,(GC),--30%fines,gravel <br /> size 114-112",wet <br /> 82-83 SAND,(SW),X10%fines,occasional 2"gravel,wet Collected jar sample <br /> 84.5-85 SANDY SILT,(ML),¢80%fines,dry,hard <br /> 85.0 <br /> 85-88.5 no recovery,wet sand residual Likely fine sands <br /> { <br /> 88.5-90 CLAY,(CL),dark brown, 10 YR 313,dry, <br /> non-plastic,hard <br /> 90.0 TD @ 90' bgs <br /> [Disco MW-DIS-13(3)] Printed:03101120D2 <br />