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= PROJECT NUMBER BORING NUMBER <br /> } SFO3111304fW MW-015-5SHEET 1 OF 4 <br /> SOIL BORING LOG <br /> PROJECT Del Monte -Disco LOCATION Stockton,CA <br /> I' <br /> ELEVATION 19.75 feet TOC GRILLING CONTRACTOR Spectrum Explorations,Inc. <br /> DRILLING METHOD AND EGUIPMENT 8 Inch O.D.,5 1/4 Inch I.D.Hallow Stern Auger <br /> WATER LEVELS 77.28 feet,bgs START 08/27/91 FINISH 08/27/91 LOGGER B.Baumgartner <br /> SAMPLE STANDARD SOIL DESCRIPTION COMMENTS <br /> PENETRATION <br /> �Vr TEST SOIL NAME.USCS GROUP SYMBOL,COLOR, <br /> M -' s RESULTS DEPTH OF CASING,DRILLING RAT <br /> M y aC u1 MOISTURE CONTENT, RELATIVE DENSITY J <br /> DRILLING FLUID LOSS <br /> L g w w m 0 a,-B"-81 OR CONSISTENCY, SOIL STRUCTURE, m <br /> L `ter r a Z U Z ca TESTS AND INSTRUMENTATION <br /> LU u) z F � LU (N) MINERALOGY >- 0 <br /> no sample <br /> I <br /> ,} 1 4.5 <br /> �Q Depth 4.5-6.0 SILT WITH FINE SAND <br /> 1,0 08-17-28 (ML),brawn, cohesive,low plastic, low <br /> 0.0 (45) moisture, stiil <br /> 9.5 <br /> Depth 9.5-11.0 SILT WITH FINE SAND <br /> 10A 1.5 12-25-36 (ML), reddish brown, cohesive, very low <br /> 11.0 (61) plasticity, low moisture, very stili <br /> 1. <br /> i, <br /> I <br /> 14.5 <br /> Depth 14.5-16.0 FINE SAND (SP), unliorm . . <br /> tEg <br /> 1.2 04-06-05 (poorly graded), reddish brown, low <br /> (11) cohesion,non-plastic,low moisture, salt . <br /> I 19.5 <br /> Depth 19.5-21.0 FINE SAND (SP), uniiorm <br /> 1.4 08-06-12 (poorly graded), brawn, moderate, ; <br /> 210 (18) cohesion,non-plastic,malst, soft/firm <br /> f <br /> 24.5 <br /> 1. 2bADepth 24.5-25.0 SAND (SP), (grain size <br /> 1.3 05-08-07 increased). Uniiorm (poorly graded), <br /> l 26 0 (13) brown,low/moderate cohesion, <br /> non-plastic, Increased moisture <br /> it 29.5 <br />