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P1of1 <br /> V*rgwK DRILLING LOG PROJECT NO. 3134-100 <br /> Supervising Geologist: Tim Berger,R.G. 5225 Site Name: Calif. Army National Guard Facility-Stockton <br /> Log By: Kevin Sheridan Boring No: B-26 <br /> Date: 3/17/00 Boring Diameter: 1.75 Inch <br /> Drilling Contractor: Precision Sampling,Inc. Boring Depth: 25 Feet <br /> Contractor Lie. No. 636387 Boring Location: OMS area east of former UST. <br /> Rig Type: Geo robe 5400 <br /> Driller: Sergio Navarro/Eugene Ta alla <br /> � r7® o USCS SOIL DESCRIPTION <br /> > 1� SOIL CONDITION AND GEOLOGIC INTERPRETATION <br /> U � <br /> o o $ SOIL TYPE,COLOR,MOISTURE,STAINING,DENSITY,ODOR,SORTING, <br /> v U E U m PERCENT FINES,ROUNDING,SECONDARY POROSITY o <br /> ,a o U -5 GEOLOGY:FILL,ALLUVIUM,BEDROCK a <br /> Ca T' zoaw3 3 � :.a x <br /> ML fl 2 " asphalt pavement at surface. <br /> CLAYEY SILT;light orange brown, slightly moist,no staining, no odor, 10 to 20%clay, 0.0 <br /> 5 slight plasticity,massive. <br /> SANDY SILT; light orange brown, moist, no staining,no odor,20 to 30% fine to medium <br /> sand,occasional sand layers. 0.0 <br /> 10 Samples B26-1-10 and SV-1326-10 collected. <br /> SM;::::;::; SILTY SAND;light orange brown,moist,no staining, no odor,dense, 10 to 20%silt <br /> sub-rounded,poorly sorted. 0.0 <br /> Samples B26-2-15 and SV-B26-15 collected <br /> Lis <br /> M CLAYEY SILT;olive brown,very moist,no staining,firm,no odors,30 to 40%clay, <br /> moderately plastic,massive. 0.0 <br /> 20 <br /> Grades to dark gray, slightly moist,gray discolorations,slight petroleum odor,30 to 40% 10.0 <br /> clay, massive. <br /> 25 Samples B26-3-25 and SV-B26-25 collected. <br /> Boring terminated at 25'bgs. Groundwater not encountered. <br />