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Hole Number: Sheet 1 of 8 <br /> HERST & ASSOCIATES, INC.- AMW-13B Soil Log <br /> . Northing: 2,146,427.3 Easting: 6,361,711.9 Ground Surface Elevation: 37.2 <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 13 - 17,2008 <br /> Graphic Zo a> F� <br /> e b Soil Description Lo o Notes <br /> Q� g <br /> 0 `n a: <br /> Q� <br /> 0.0 to 75.0 ft.-Not Sampled. Begin drilling at 1106 on 12/1/2008. <br /> Drilling depth scale begins at one foot <br /> 15.0 above ground surface due to required <br /> drilling rig setup. <br /> Begin Drilling @ 1631 on 11/13/2008. <br /> Suspend Drilling @ 1725 on 11/13/2008 <br /> 30.0 at 20 feet. <br /> Resume Drilling @ 0840 on 11/14/2008. <br /> Borehole Area Air Measurements: <br /> 0%LEL CH4 / 0 ppm VOC <br /> 45.0 <br /> • <br /> 60.0 <br /> 75.0 <br /> 75.0 to 76.5 ft. -Clayey SILT with abundant mica,dry, At 75 feet,begin continuous logging and <br /> stiff,moderate yellowish brown(IOYR 5/4). 5 split spoon sampling every 5 feet. <br /> 1.5 17 <br /> 76.0 1.5 14 <br /> 13 <br /> 76.5 to 80.0 ft.-Clayey SILT. <br /> 77.0 <br /> 1 <br /> 78.0 <br /> 79.0 <br /> • 80.0 <br /> Drilling Contractor: Precision Sampling,Inc. <br /> Driller: Paul Draeger <br /> Helper: Robert Kline,Brian Johnson,&James McIntyre <br /> CLAY SILT SAND GRAVEL <br /> Logged By: David Vasbinder <br />