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= PROJECT NUMBER BORING NUMBER <br /> SF031804.FW MW-DIS-7S • SHEET 2 OF 4 <br /> SOIL BORING LOG <br /> Del Monte - Disco Stockton,CA <br /> PROJECT LOCATION <br /> ELEVATION 20.42 Leet TOC DRILLING CONTRACTOR Spectrum Explorations, Inc. <br /> DRILLING METHOD AND EQUIPMENT 8 Inch O.D., 5 1/4 Inch I.D.Hallow Stem Auger <br /> WATER LEVELS 78.09 feet,bgs START 08/29/91 FINISH 08/29/91 LOGGER B.Baumgartner <br /> aP SAMPLE STANDARD SOIL DESCRIPTION COMMENTS <br /> PENETRATION <br /> TEST <br /> m� a z a RESULTS SOIL NAME,USCS GROUP SYMBOL.COLOR, DEPTH OF CASING,DRILLING RAT <br /> _ aW MOISTURE CONTENT,RELATIVE DENSITY o DRILLING FLUID LOSS <br /> as-a._8. OR CONSISTENCY, SOIL STRUCTURE, M TESTS AND INSTRUMENTATION <br /> w F' r� w (N) MINERALOGY }o <br /> o� �z Ir - urj <br /> 1.2 (39) Depth 29.5-31.0 WELL GRADED SAND with <br /> 31.0 GRAVEL (SWI,gravel Is angular and <br /> rounded,molst,non cohesive, non-plastic, <br /> sti11 <br /> J <br /> r . 34.5 <br /> Depth 34.5-39.0 SILT with VERY FINE <br /> 3150 1.5 7-20-22 SAN❑ (ML),brown,cohesive,low plasticity <br /> 38.0 (42) when hydrated,low moisture, very stlii <br /> 39.5 <br /> Depth 39.5-41.0 FINE SAND with SILT <br /> 40.0 15 4-4-4 (SM),brown,cohesive,nom-plastic, moist, <br /> 41.0 (8) firm HNu= 0 ppm <br /> I <br /> 44.5 <br /> 46A 1.5 6-14-14 Depth 44.5-40.0 similar to above (SM) <br /> 48.0 (28) <br /> r' <br /> f <br /> 49.5 <br /> Depth 49.5-51.0 GRAVEL and SAND (GW), o ti <br /> 50.0 50 gravel Is subrounded,non-cohesive, moist, o <br /> 51.0 0.2 (>50) hard, gravel Is well graded <br /> Q, p <br /> 1 . . <br /> 54.5 <br /> Depth 54.5-58.0 SILT-FINE SAND <br /> 56.0 1.5 9-11-13 MIXTURE (SM), brown, cohesive, non/low <br /> 58.0 (24) plasticity, moist, stlii Is I HNum I ppm <br /> Isi <br /> ` 59.5 <br />