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PROJECT NUMBER BORING NUMBER <br /> SF031004.FW MW-DIS-4 <br /> SHEET 2 OF 4 <br /> = SOIL BORING LOG <br /> 1 PROJECT Del Monte -Disco LOCATION Stockton,CA <br /> ELEVATION 20.00 ieet TOC DRILLING CONTRACTOR Spectrum Explorations, Inc. <br /> DRILLING METHOD AND EQUIPMENT 8 Inch OA.,5 114 Inch I.D.Hallow Stem Auger <br /> WATER LEVELS.78.30 feet, bas START 08/20/91 FINISH 09/29/81 LOGGER B.Baumgartner <br /> SAMPLE STANDARD SOIL DESCRIPTION COMMENTS <br /> PENETRATION <br /> W� a o cc RESULTS SOIL NAME,USCS GROUP SYMBOL,COLOR, DRILLING RAT <br /> G3 z DEPTH OF CASING,D <br /> sdC a� MOISTURE CONTENT,RELA7IVE DENSITY Jo. pRILLING FLUID LOSS <br /> LALu LU 03 08' -8'-8' OR CONSISTENCY, SOIL STRUCTURE, m TESTS AND INSTRUMENTATION <br /> z }D w (N) MINERALOGY o <br /> C30 M r z ¢ un <br /> 1.5 �28J Depth 29.5-31.0 SILT WITH SAND (SM), <br /> 31.0 brawn mottled w/green,cohesive, low <br /> plasticity, moist,stilt <br /> 34.5 <br /> 350 1.5 04-05-10 Depth 34.5-30.0 same as above, <br /> 30.0 {15) Increased plasticity <br /> I , <br /> l 39.5 <br /> 40.0 1.4 12-11-Oa Depth 39.5-41.0 SAND WITH SMALL <br /> 4.1.0 (19) GRAVEL (SW),brown, well graded,moist, <br /> non-plastic, moderate cohesion <br /> 44.5 <br /> 46.0 1.5 07-14-18 Depth 44.5-40.0 SILT WITH FINE SAND <br /> 413.0 (32) (ML), brown withgreen mottling, very <br /> cohesive, moderate plasticity when <br /> hydrated,moist,stili <br /> I <br /> SD.O 50.Q <br /> Depth 50.0-51.5 same as above <br /> 1.5 47-16-2D <br /> 51.5 (38) <br /> f 54.5 <br /> 1.5 09-23-25 Depth 54.5-58.0 SILTY SAND (SM), <br /> 50.0 (48) brawn,cohesive,non-plastid, moist, still <br /> { <br /> 59.5 <br />