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Hole Number: Sheet 7 of 12 <br /> (RST & ASSOCIATES, INC.- AMW-23 Soil Log <br /> iNorthing: 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 > F_ <br /> e Soil Description Lo o Notes <br /> Qw � g � tea„' <br /> coo <br /> Q� <br /> 130.0 to 131.5 ft.-Silty CLAY with organic lenses, Borehole Area Air Measurements: <br /> dry,medium stiff,rust staining,moderate yellowish 12 0%LEL CH / 0 ppm VOC <br /> brown(IOYR 5/4). 1.5 20 <br /> 131.0 1.5 22 <br /> 37 <br /> 131.5 to 135.0 ft. -Silty CLAY. <br /> 132.0 <br /> 12 <br /> 133.0 <br /> 134.0 <br /> 135.0 Suspend Drilling on 11/19/2008 <br /> 135.0 to 136.5 ft. -Silty CLAY with organic lenses, Resume Drilling @ 0711 on 11/20/2008 <br /> dry,medium stiff,rust staining,moderate yellowish 16 <br /> brown(1 OYR 5/4). 1.5 18 <br /> 136.0 1.5 22 <br /> 32 <br /> 136.5 to 140.0 ft. -Silty CLAY. <br /> 137.0 <br /> 13 <br /> 138.0 <br /> 139.0 <br /> • 140.0 <br /> Drilling Contractor: Precision Sampling,Inc. <br /> Driller: Paul Draeger <br /> Helper: Diego Amador,Robert Kline,Brian Johnson,&James McIntyre CLAY SILT SAND GRAVEL <br /> Logged By: David Vasbinder <br />