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= PROJECT NUMBER BORING NUMBER <br /> SF031804.FW MW-DIS-B SHEET 3 OF 4 <br /> SOIL BORING LOG <br /> PROJECT Del Monte - Disco LOCATION Stockton,CA <br /> ELEVATION 20.33 feet TOC _-DRILLING CONTRACTOR Spectrum Explorations, Inc. <br /> 1 1 DRILLING METHOD AND EGUIPMENT 8 Inch O.D.,5 I/4 Inch 1.0.Hollow Stem Auger <br /> WATER LEVELS 77.87 feet,bps START 08/26/91 FINISH 08/28/91 LOGGER B. Baumgartner <br /> SAMPLE STANDARD SOIL DESCRIPTION COMMENTS <br /> PENETRATION <br /> �� a z RESULTS 54IL NAME,USCS GROUP SYMBOL,COLOR, J DEPTH OF CASING,DRILLING RAT <br /> cc Cr.¢ y MOISTURE CONTENT,RELATIVE DENSITY a DRILLING FLUID LOSS <br /> B, _6._B. OR CONSISTENCY, SOIL STRUCTURE, m TESTS AND INSTRUMENTATION <br /> LU z r z W (N) MINERALOGY >-J <br /> 1.4X401 Depth 59.5-81.0 POORLY GRADED FINE <br /> B1.0 SAND (SP); brown, low coheslvlty, <br /> non-plastic, moist,firm <br /> 84.5 <br /> Depth B4.5-08.0 SAND with SUBROUNDED <br /> 86A 1.5 17-17-18 GRAVEL (SW-SP);brown,non-cohesive, <br /> 68.0 (35) non-plastic, moist,stiff, moderately well graded HNu= 0 ppm <br /> I. <br /> 69.5 <br /> Depth 09.5-71.0 SILT with SAND (SM-ML); <br /> 70.0 0.7 15-50 brown,cohesive, non-plastic, low moisture, <br /> 71.0 (50) crumbly, hard HNu= I ppm <br /> i <br /> I <br /> 74.5 <br /> Depth 74.5-76.0 similar to above <br /> 76.0 0.7 40-50 <br /> 76.0 (50) HNu= 3 ppm <br /> f <br /> 79.5 <br /> Depth 79.5-81.0 SAND with SILT,CLAY, <br /> 90.0 I l 12-25-30 and SUBANGULAR GRAVEL (SM);cohesive, <br /> - 61.0 (55) non/low plasticity,wet,stiff HNu= 0.5 ppm <br /> / <br /> 84.5 / <br /> Depth 84.5-88.0 SILT -SAND MIXTURE <br /> a60 15 9-15-20 (SM); reddish brown, cohesive, stili, low / <br /> 88.0 (35) plasticity, moist <br /> 89.5 / <br />