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Hole Number: Sheet 5 of 18 <br /> HERST & ASSOCIATES, INC! AMW-21 Soil Log <br /> • Northing: 2,146,441.0 Easting: 6,359,731.4 Ground Surface Elevation: 34.9 <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 4- 12,2008 <br /> � ; <br /> �a Graphic Z � H <br /> E Soil Description Lo Notes <br /> Q2 � g <br /> Q� <br /> 40.0 to 41.3 ft.-Clayey SILT with mica flakes,dry, 6 <br /> very stiff,moderate yellowish brown(IOYR 5/4). <br /> 1.3 17 <br /> 41.0 1.5 26 <br /> 24 <br /> 41.3 to 45.0 ft. -Clayey SILT. <br /> 42.0 <br /> 9 <br /> 43.0 <br /> 44.0 <br /> 45.0 <br /> 45.0 to 46.3 ft. -Clayey SILT with mica flakes,dry, Borehole Area Air Measurements: <br /> very stiff,moderate yellowish brown(IOYR 5/4). 13 0%LEL CH / 0 ppm VOC <br /> 1.3 18 <br /> 46.0 1.5 21 <br /> 26 <br /> 46.3 to 50.0 ft. -Clayey SILT. <br /> 47.0 <br /> 10 <br /> 48.0 <br /> 49.0 <br /> 50.0 <br /> Drilling Contractor: Precision Sampling,Inc. <br /> Driller: Paul Draeger EA <br /> Helper: Tony Young,Robert Kline,&Diego Amador CLAY SILT SAND GRAVEL <br /> Logged By: David Vasbinder <br />