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_ PROJECT NUMBER BORING NUMBER <br /> SF031004.FW MW-DIS-70 <br /> SHEET 3 OF B <br /> ( = SOIL BORING LOG <br /> PROJECT Del Monte Disco LOCATION Stockton,CA <br /> ELEVATION 20.02 feet TOC DRILLING CONTRACTOR Spectrum Explorations, Inc. <br /> DRILLING METHOD AND EQUIPMENT Mud Rotary <br /> WATER LEVELS 77.05 feet,bgs START 09/18/91 FINISH 09/20/81 LOGGER B.Baumgartner <br /> f3cp SAMPLE STANDARD SOIL DESCRIPTION COMMENTS <br /> J� <br /> PENETRATION <br /> TEST <br /> r U� Jm arc RESULTS SOIL NAME,USCS GROUP SYMBOL,COLOR, <br /> xs Crw LU MOISTURE CONTENT, RELATIVE DENSITY o-' DEPTH OF CASING,QRILLING RAT <br /> w LU ED n OR CONSISTENCY, SOIL STRUCTURE, m DRILLING FLUID LOSS <br /> az U 0'-0' -B TESTS AND INSTRUMENTATION <br /> r w 4 >-=) w (N) MINERALOGY }co <br /> i OW rz Cr fl)_j <br /> Depth 00'-88' SILT with CLAY and FINE <br /> SAND (ML);brown, cohesive,moderate <br /> plasticity, stlif/hard <br /> f <br /> - 5.0 (-) <br /> 85.0 <br /> 88.0 <br /> Depth 08'-70' SILT and SAND with CLAY HNu=Oppm <br /> i - _ (SM/ML); brown, cohesive,moderate <br /> 2.0 (-) plasticity <br /> 70.0 70.0 <br /> Depth 70'-73' FINE SAND with SILT (SM); HNu=Oppm <br /> moderate cohesion, low/non-plastic,brown <br /> - 2.0 {-) <br /> 73.0 <br /> Depth 73'-78'FINE SAND and SILT with <br /> CLAY (SM/ML);brown,cohesive,moderate <br /> 2.0 plasticity, stiff <br /> TSA <br /> 70.0 <br /> Depth 78'-78' (SM/ML);similar to above, HNu=Oppm <br /> 2.5 Increasing black specks, hard, crumbly <br /> 78.0 <br /> Depth 78'-83'FINE SAND and SILT with HNu=0.5ppm <br /> CLAY (SM); brown with black specks and <br /> some green mottling, very stiif, cohesive, <br /> low plasticity <br /> 80A <br /> - 4.0 (-) <br /> 83.0 <br /> Depth 83'-88 (SM);similar to above HNu=Oppm <br /> i <br /> KO <br /> - 4.0 {-) <br /> r <br /> 88.0 <br /> Depth 88'-90' (SM/ML); similar to above HNu=Oppm <br /> - _ with Increased slit and clay, moderate <br /> 1.0 (-) plasticity <br /> 90.0 <br />