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Hole Number: Sheet 8 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 /> U ' U <br /> o O N <br /> Graphic Z a> H <br /> Qo= Soil DescriptionLo 0 0� Notes <br /> Qpm <br /> 140.0 to 141.5& -Clayey SILT,slightly moist, 10 <br /> medium stiff,moderate brown(5YR 4/4). <br /> 1.5 13 <br /> 141.0 1.5 26 <br /> 40 <br /> 141.5 to 145.0 ft. -Clayey SILT. <br /> 142.0 <br /> 14 <br /> 143.0 <br /> 144.0 <br /> 145.0 <br /> 145.0 to 146.3 ft. -Sandy SILT with pyrite flakes, Borehole Area Air Measurements: <br /> slightly moist,dense,fine grained,moderate brown 18 0%LEL CH4 / 0 ppm VOC <br /> (5YR 4/4). 1_3 24 <br /> 146.0 1.5 36 <br /> 30 <br /> 146.3 to 150.0 ft. -Sandy SILT. <br /> 147.0 <br /> 15 <br /> 148.0 <br /> 149.0 <br /> • 150.0 <br /> Drilling Contractor: Precision Sampling,Inc. <br /> Driller: Paul Draeger 71� TM <br /> EA <br /> Helper: Diego Amador,Robert Kline,Brian Johnson,&James McIntyre CLAY SILT SAND GRAVEL <br /> Logged By: David Vasbinder <br />