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P 1 of 1 <br /> Va Mm DRILLING LOG PROJECT NO. 3134-100 <br /> Supervising Geologist: Tim Berger,R.G. 5225 Site Name: Calif.Army National Guard Facility-Stockton <br /> og By: Kevin Sheridan Boring No: B-18a <br /> Date: 3/17/00 Boring Diameter: 1.75 Inch <br /> Drilling Contractor: Precision Sampling,Inc. Boring Depth: 5 Feet <br /> Contractor Lic.No. 636387 Boring Location: CSMS area adjacent to ditch along fence line. <br /> Rig Type: Geo robe 5400 <br /> Driller: Sergio Navarro/Eugene Ta alta <br /> USCS SOIL DESCRIPTION <br /> SOIL CONDITION AND GEOLOGIC INTERPRETATION E <br /> a <br /> o o o SOIL TYPE,COLOR,MOISTURE,STAINING,DENSITY,ODOR,SORTING, <br /> t v U 3 U PERCENT FINES,ROUNDING,SECONDARY POROSITY c <br /> -E GEOLOGY: FILL,ALLUVIUM,BEDROCK <br /> Ca ° zww3 3 x a <br /> x <br /> MI. Unpaved-gravel surface <br /> CLAYEY SILT;olive brown,moist, no staining, soft,no odor,20 to 30% clay, slight 0.0 <br /> plasticity. <br /> Sample B18a-1-0 collected. <br /> Grades to 10 to 20%clay,massive. 0.0 <br /> 5 Samples B18a-2-5,SV-B18a-5,and SV-B18a-5-duplicate collected. <br /> Boring terminated at 5'bgs. Groundwater not encountered. <br />