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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 /> • Log BY: Kevin Sheridan Boring No: B-1 <br /> Date: 3/16/00 Boring Diameter: 1.75 Inch <br /> Drilling Contractor: Precision Sampling,Inc. Boring Depth: 15 Feet <br /> Contractor Lie.No. 636387 Boring Location: AASF area adjacent to secondary clarifier <br /> Ri g Type: Geo robe 5400 <br /> Driller: Sergio Navarro/Eugene Ta alla <br /> USCS SOIL DESCRIPTION <br /> SOIL CONDITION AND GEOLOGIC INTERPRETATION <br /> U <br /> U <br /> o o SOIL TYPE,COLOR,MOISTURE,STAINING,DENSITY,ODOR,SORTING, <br /> rU 3 U o PERCENT FINES,ROUNDING,SECONDARY POROSITY o <br /> Qo 3 ] rs GEOLOGY:FILL,ALLUVIUM,BEDROCK <br /> awFZ z <br /> Unpaved at surface <br /> CLAYEY SILT;dk gray brown,slightly moist,no staining,firm, no odor 10 to 20%clay 0.0 <br /> 5 slightly plastic,massive. <br /> Same as Above;grades to dense,20 to 25%clay. 0.0 <br /> Samples B1-1-10 and SV B1-10 collected. <br /> 10 <br /> Same as above;grades to orange brown,moist,20 to 30%clay. <br /> Sample B1-2-15 collected. 0.0 <br /> • 15 Boring terminated at 15'bgs,groundwater not encountered. <br /> t <br />