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1 <br /> Hole Number: Sheet 1 of 18 <br /> ' HERST & ASSOCIATES, INC.- AMW-30 Soil Log <br /> Northing: 2,148,062.1 Easting: 6,367,022.3 Ground Surface Elevation: 45.0 <br /> ' Project: Austin Road NCYCC Drilling Rig Type: Mud Rotary <br /> Project No.: 120091514 Method of Drilling: Boart-Longyear DB540 <br /> Site Location: Stockton,California Drilling Dates: January 18-22,2010 <br /> Q' Graphic Z s,I E-•_ Soil Description o a Notes <br /> Q J Log <br /> 04 <br /> 0.0 to 5.0 ft.-No sample taken. Drilling began at 1530 on 1/18/2010. <br /> ' Blind drilled to 5 ft.bgs. <br /> 1.0 <br /> Borehole Area Air Measurements: <br /> 0%LEL CH / 0 ppm VOC <br /> ' 2.0 <br /> 3.0 <br /> 1 <br /> 4.0 <br /> 1 <br /> ' <br /> 5.0 <br /> 5.0 to 6.1 ft.-Silty CLAY with trace sand,slightly Borehole Area Air Measurements: <br /> moist,stiff,low plasticity,dark yellowish brownX" 6 0%LEL CH4 / 0 ppm VOC <br /> (IOYR 4/4).' 1_1 6.0 1 1.5 13 <br /> 11 <br /> ' 7.0 <br /> a.o <br /> 9.0 <br /> 1 <br /> ' 10.0 <br /> Drilling Contractor: Precision Sampling,Inc. <br /> Driller: Brian Johnson F71 IFM ILL] <br /> Helper:' Mac, Steve,&Charlie CLAY SILT SAND GRAVEL <br /> Logged By: Leslie Keuss <br />