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Hole Number: Sheet 2 of 8 <br /> HERST & ASSOCIATES, INC.- AMW-22 <br /> v� 22 Soil Log <br /> Northing: 2,147,896.8 Easting: 6,361,154.7 Ground Surface Elevation: 35.4 <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: December 1 -3,2008 <br /> � > <br /> oz <br /> G U <br /> Graphic Z > F� <br /> Soil Description Lo 0 0. Notes <br /> g as �� <br /> Q� <br /> 80.0 to 81.2 ft.-SAND and GRAVEL,wet,medium <br /> sand through coarse gravel,subangular,well graded, 13 <br /> multi-colored. 1_5 30 <br /> 81.0 0 1.5 63 <br /> 64 <br /> 81.2 to 81.5 ft.-SAND,wet,dense,fine to <br /> �medium grained with some fine gravel, <br /> erate yellowish brown(lOYR 5/4). <br /> 82.0 <br /> 81.5 to 85.0 ft.-SAND. <br /> 2 <br /> 83.0 <br /> 84.0 <br /> 85.0 <br /> 85.0 to 85.6 ft.-Sandy SILT with pyrite flakes and <br /> organic inclusions,slightly moist,very stiff moderate 6 Borehole Area Air Measurements: <br /> yellowish brown(IOYR 5/4). 0%LEL CHa / 0 ppm VOC <br /> 0.6 9 <br /> 86.0 85.6 to 90.0 ft.-Sandy SILT. 1.5 26 <br /> 50 <br /> s7.0 <br /> 3 <br /> 88.0 <br /> 89.0 <br /> 90.0 <br /> Drilling Contractor: Precision Sampling,Inc. <br /> Driller: Paul Draeger LLJ <br /> Helper: Diego Amador&Bill Kishi CLAY SILT SAND GRAVEL <br /> Logged By: David Vasbinder <br />