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Woodward-Clyde Consultants PROJECT NAME OSA Stockton _ No o / 1 <br /> BORING LOCATION Caltrans Shop 10 S5 ELEVATION AND DATUM <br /> DRILLING AGENCY Datum DRILLER Cary DATE STARTED 414189 <br /> DATE FINISHED <br /> DRILLING EQUIPMENT Mobile Dna!t3 57 COMPLETION 25 0 It SAMPLER Cahtorn+a <br /> IDEPT Modified <br /> DRILLING METHOD Hollow stem auger DRILL BIT e' NO OF DIST UNDISTSAMPLES <br /> LOGGED BY Richard Ely WATER FIRST COMPL 24 NRS <br /> LEVEL <br /> CHECKED BY M 13onkowski <br /> L ^ MATERIAL DESCRIPTION uvi s �DD z' <br /> Asphalt <br /> 5 <br /> Sw <br /> 10 SAND <br /> medium grayish brown, trace silt,clay, fine to very coarse. NU headspace= <br /> 6 <br /> some gravel to 112", loose, subrounded to subangular,chalky 65 ppm <br /> caliche patches, dry, several pieces of asphalt probably fell In <br /> 15 <br /> SILTY SAND SM <br /> 2 medium grayish brown,fine to medium grained, loose, dry <br /> CLAYEY GRAVELLY SAND SCI <br /> dark brown, pebbles are angular red cher) and quartz, stiff GM <br /> af? <br /> 3 same as 15' <br /> SAND <br /> brown, medium to coarse, angular to subangular, loose SP <br /> 25 quartz, black llthlcs, red chert, biotite SM <br /> 4 SILTY SAND -- _ <br /> medium dense, as at 15' <br /> 30 Total Depth 25 0 feet <br /> r <br /> `\D - 3w9 i <br /> 35 <br /> LOG OF BORING NO S-5 SHEET I OF I <br />