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P1of1 <br /> DRILLING LOG PROJECT NO. 3134-100 <br /> Supervising Geologist: Tim Berger,R.G.5225 Site Name: Calif.Army National Guard Facility-Stockton <br /> As 1 Log By: Kevin Sheridan Boring No: B-6 <br /> Date: 3/18/00 Boring Diameter: 1.75 Inch <br /> Drilling Contractor: Precision Sampling,Inc. Boring Depth: 15 Feet <br /> Contractor Lic.No. 636387 Boring Location: CSMS area near former waste oil UST <br /> Rig Type: Geo robe 5400 behind CSMS garage. <br /> Driller: Sergio Navarro/Eueene Ta alla <br /> USCS SOIL DESCRIPTION <br /> �_ ° SOIL CONDITION AND GEOLOGIC INTERPRETATION fi <br /> U <br /> IS. d <br /> c'o o SOIL TYPE,COLOR,MOISTURE,STAINING,DENSITY,ODOR,SORTING, m <br /> PERCENT FINES,ROUNDING,SECONDARY POROSITY a <br /> > o ^m s GEOLOGY:FILL,ALLUVIUM,BEDROCK <br /> CL 6" concrete pavement at surface. <br /> SILTY CLAY; dark gray to black, moist,dense,no odor,20 to 25%silt,moderate to high 0.0 <br /> 5 plasticity, malleable,massive. <br /> `y CLAYEY SILT;dark olive brown,moist, no staining, dense,no odor,20 to 30%clay, low 0.0 <br /> plasticity,massive. <br /> 10 Samples 136-1-10 and SV-B6-1-10 collected <br /> Same as above,grades to orange brown,very moist,firm, 10 to 20%clay,trace fine sand <br /> to medium sand. 0.0 <br /> AS 15 Sample 136-2-15 collected. <br /> Boring terminated at 15'bgs. Groundwater not encountered. <br />