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Hole Number: Sheet 1 of 12 <br /> HERST & ASSOCIATES, INC.- AMW-23 Soil Log <br /> Northing: 2,148,811.9 Easting: 6,362,757.7 Ground Surface Elevation: 38.3 <br /> Project: Austin Road NCYCC Drilling Rig Type: Mud Rotary <br /> Project No.: 120081503 Method of Drilling: DB 540 with Mud Puppy <br /> Site Location: Stockton,California Drilling Dates: November 18-20,2008 <br /> Graphic Z c.> F� <br /> e Soil Description Log o 0. Notes <br /> Q� <br /> 0.0 to 75.0 ft.-Not Sampled. Begin drilling at 1450 on 11/18/2008. <br /> Drilling depth scale begins at one foot <br /> 15.0 above ground surface due to required <br /> drilling rig setup. <br /> Borehole Area Air Measurements: <br /> 30.0 0%LEL CH / 0 ppm VOC <br /> 45.0 <br /> • <br /> 60.0 Suspend drilling at 1644 on 11/18/2008. <br /> Resume drilling at 0751 on 11/19/2008. <br /> 75.0 <br /> 75.0 to 75.9 ft.-Silty CLAY with few micas and At 75 feet,begin continuous logging and <br /> sands,rust bands,light brown(5YR 5/6). 6 split spoon sampling every 5 feet. <br /> 1.5 12 <br /> 76.0 1.5 20 <br /> 75.9 to 76.5 ft. -Clayey SILT with barite lenses and 34 <br /> some mica present,dry,very stiff,dark yellowish <br /> orange(l 00Y RR 6/6). <br /> 77.0 76.5 to 80.0 ft. -Clayey SILT. <br /> 1 <br /> 78.0 <br /> 79.0 <br /> 80.0 <br /> Drilling Contractor: Precision Sampling,Inc. <br /> Driller: Paul Draeger M EJ <br /> Helper: Diego Amador,Robert Kline,Brian Johnson,&James McIntyre CLAY SILT SAND GRAVEL <br /> Logged By: David Vasbinder <br />