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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 /> �og By: Kevin Sheridan Boring No: B-23 <br /> Date: 3/16/00 Boring Diameter: 1.75 Inch <br /> Drilling Contractor: Precision Sampling,Inc. Boring Depth: 5 Feet <br /> Contractor Lie.No. 636387 Boring Location: Oms area east of hazardous waste storage area. <br /> Rig Type: Geo robe 5400 <br /> Driller: Sergio Navarro/Eugene Ta alla <br /> $ �� ❑ USCS SOIL DESCRIPTION <br /> o SOIL CONDITION AND GEOLOGIC INTERPRETATION <br /> > - - <br /> 2 a <br /> a o A o >1 SOIL TYPE,COLOR,MOISTURE,STAINING,DENSITY,ODOR,SORTING, $ <br /> r U 3 U o PERCENT FINES,ROUNDING,SECONDARY POROSITY n. <br /> Oa o 3 a GEOLOGY:FILL,ALLUVRJM,BEDROCK <br /> � a � w3 x <br /> CL Unpaved gravel at surface. <br /> SILTY CLAY;dark olive brown,moist,dense,no odor, 20 to 30%silt,moderately plastic, <br /> 2 <br /> massive. 0.0 <br /> Grades to dark gray to dark gray olive brown,30 to 40% silt,slight to moderate plasticity, 0.0 <br /> massive. <br /> 5 Samples B23-1-5 and SV-B23-5 collected. <br /> Boring terminated at 5'bgs. Groundwater not encountered. <br />