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' Hole Number: Sheet 7 of 18 <br /> ' HERST & ASSOCIATES, INC.- AMW-29 soil Log <br /> Northing: 2,147,760.7 Easting: 6,365,707.4 Ground Surface Elevation: 43.2 <br /> ' Project: Austin Road NCYCC Drilling Rig Type: Mud Rotary <br /> Project No.: 120091514 Method of Drilling: DB540 <br /> ' Site Location: Stockton,California Drilling Dates: January 27-February 1,2010 <br /> Soil Description Graphic o a Notes <br /> Log v� <br /> ' 60.0 to 61.5 ft.-SILT with trace sand,damp, Borehole Area Air Measurements: <br /> medium stiff,medium dense,brittle,yellowish 17 0%LEL CH / 0 ppm VOC <br /> brown(10YR 5/8). <br /> ' 12 11-5 27 <br /> 61.0 <br /> 31 <br /> 62.0 <br /> ' 63.0 <br /> 64.0 <br /> 65.0 <br /> 65.0 to 66.5 ft.-SILT with trace sand,damp, Borehole Area Air Measurements: <br /> medium stiff,medium dense,brittle,yellowish 12 0%LEL CH <br /> 4 / 0 ppm VOC <br /> brown(10YR 5/8). 1_5 <br /> ' 13 1.5 18 <br /> 66.0 <br /> 23 <br /> ' 67.0 <br /> ' 68.0 <br /> 69.0 <br /> 70.0 <br /> Drilling Contractor: Precision Sampling,Inc. <br /> Driller: Brian Johnson <br /> ' Helper: James McIntyre&Steve Moore CLAY SILT SAND GRAVEL <br /> Logged By: Rachael Haynes <br />