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- PROJECT NUMBER BORING NUMBER <br /> - 110718.P4.ZZ MW-23R <br /> SHEET 1 OF 4 <br /> SOIL BORING LO'G <br /> PROJECT PG &E Stockton Phase IV,Stockton,CA LOCATION Stockton,CA <br /> ELEVATION 13.23 NGVD DRILLING CONTRACTOR Spectrum-Exploration <br /> DRILLING METHOD AND EQUIPMENT Hollow Stem Auger - 10" <br /> NATER LEVELS 33.99 bloc START 3/29/96 FINISH 4/2/96 LOGGER T.Little/K.Sheets <br /> SAMPLE STANDARD SOIL DESCRIPTION COMMENTS <br /> OLL PENETRATION <br /> V a Zflc w RESULTS SOIL NAME,USCS GROUP SYMBOL,COLOR, J DEPTH OF CASING, ORILIING RAT <br /> -1 <br /> wWm MOISTURE CONTENT, RELATIVE DENSITY c DRILLING FLUID LOSS <br /> 6•-6'-6' OR CONSISTENCY,SOIL STRUCTURE, m TESTS AND INSTRUMENTATION <br /> ovi z �z ¢ (N) MINERALOGY N J <br /> 0-4',Gravel FILL Set 10' of 12"diameter PVC <br /> SANDY CLAY with lampblack, strong odor, -conductor-casing <br /> chips of lampblack mixed with soil 3/29/96 <br /> concentration diminishes to trace amount <br /> from 3-4' <br /> 6.0 5-6',SILTY SAND: (SM), yellow brown <br /> 8,0 110YR,5/4), 15% non plastic fines; 85% fine <br /> sand, <br /> SPT 6-20', SANDY CLAY. M), yellowish brown <br /> 7.5 (tOYR, 5/4);"65% low plasticity fines: 35% <br /> fine sand; trace medium sand: damp:hard; <br /> SPT no odor 7 X// <br /> 9.5 <br /> 10.0 <br /> � 15.0 <br /> -SANDY CLAY. (CL), yellowish brown with Start drilling at,0750 4/1/96 <br /> SPT white mottling (40%), 80%non-plastic "Samples pushed to enhance <br /> 16.5 fines,20% fine sand friable, no odor sample recovery <br /> A 20.0 <br /> 20 <br /> 20-30',SILTY SAND. (SM), grayish brown <br /> SPT (tOYR,5/2), 80% fine sand, 20%plastic <br /> 215 fines, dark orange/rust oxidized mottling <br /> (fractures) soft, slightly plastic, no odor <br /> 25.0 25.0 <br /> SAME AS ABOVE <br /> SPT ' <br /> 26.5 <br /> 30.0 <br />