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Hole Number: Sheet 5 of 12 <br /> HERST & ASSOCIATES, INC.- 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 �� <br /> a Graphic Z &>1 E. <br /> e b Soil Description Lo 0 0. Notes <br /> Q" o g �c <br /> 7a'6 <br /> Q� <br /> 110.0 to 110.2 ft. -CLAY with abundant mica, <br /> dry,soft,rust staining,brownish gray(5YR 4/1). 40 <br /> 1.5 37 <br /> 111.0 110.2 to 111.5 ft. -Sandy CLAY with mica,dry,very 1.5 38 <br /> stiff,moderate yellowish brown(10YR 5/4). 48 <br /> 111.5 to 115.0 ft. -Sandy CLAY. <br /> 112.0 <br /> 8 <br /> 113.0 <br /> 114.0 <br /> 115.0 <br /> 115.0 to 116.5 ft. -Sandy CLAY with mica and barite Borehole Area Air Measurements: <br /> lenses,dry,very stiff,moderate yellowish brown 15 0%LEL CH4 / 0 ppm VOC <br /> (IOYR 5/4). 1.5 24 <br /> 116.0 1.5 34 <br /> 48 <br /> 117.0 116.5 to 120.0 ft. -Sandy CLAY. <br /> 9 <br /> 118.0 <br /> 119.0 <br /> 120.0 <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 />