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, <br /> PROJECT NUMBER BORING NUMBER <br /> SF031804.FiV MW-DIS-70 SHEET t OF 0 <br /> i <br /> SOIL BORING LOG <br /> PROJECT Del Monte -Disco LOCATION Stockton,CA <br /> ELEVATION 20.02 feet TOC DRILLING CONTRACTOR Spectrum Explorations,Inc. <br /> GRILLING METHOD AND EQUIPMENT Mud Rotary <br /> WATER LEVELS 77.05 feet,b s START 09/48/91 FINISH 09/20/91 LOGGER B. Baumgartner <br /> SAMPLE STANDARD SOIL DESCRIPTION COMMENTS <br /> ori <br /> PENETRATION <br /> M� J z Cr RESULTS SOIL NAME,USCS GROUP SYMBOL,COLOR 0 <br /> M a� u, MOISTURE CONTENT,RELATIVE DENSITY DEPTH OF CASING,DRILLING RAT <br /> °C w 0 OR CONSISTENCY, SOIL STRUCTURE, m DRILLING FLUID LOSS <br /> W rz w 9� (N) -0• MINERALOGY z� TESTS AND INSTRUMENTATION <br /> ( oui rzCr N4 <br /> If Depth 0-5' SILT with FINE SAND; <br /> cohesive,plastic,dark brown <br /> 4.0 <br /> Depth 4'-S'No Recovery <br /> &0 <br /> I <br /> 8.0 <br /> Depth 9'-14' CLAYEY SILT with SAND <br /> (ML);cohesive,plastic, firm <br /> 10A <br /> - 4.0 (-) <br /> 1 14.0 <br /> Depth 14'-19.5' SAND and SILT with CLAY <br /> 10 b / M),cohesive, moderate plasticity, <br /> rown <br /> - 4.0 (_) <br /> 18.5 <br /> Depth 19.5'-20'FINE SAND (SP);unliorm, <br /> 20.0 brown,non-cohesive,non-plastic HNu=Oppm <br /> Depth 20'-24'SILT with SAND and CLAY <br /> (ML); brown,moderate plasticity,cohesive <br /> - 4.2 <br /> 24.0 <br /> Depth 24'-29' FINE SAND with SILT (SP); <br /> unllorm, brown,moderate cohesion, <br /> 26A nan-plastic <br /> - 4.1 - <br /> L <br /> 28.0 <br />