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Hole Number: Sheet 1 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 /> ' QGraphic Z s,> <br /> Soil Description Description Log 0 � Notes <br /> ' 0.0 to 5.0 ft.-No sample taken. Drilling began at 1455 on 1/27/2010. <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 /> 4.0 <br /> ' <br /> 5.0 <br /> Borehole Area Air Measurements: <br /> 6 0%LEL CH 4 / 0 ppm VOC <br /> 5.5 to 6.0 ft.-TOPSOIL,clay rich,highly plastic,soft, III—III— 1 1_0 11 <br /> 6.0 saturated,very dark grayish brown(lOYR 3/2). I=III=III 1.5 <br /> 6.0 to 6.5 ft.-SILT,dry,very stiff,brittle,dark 17 <br /> yellowish brown(10YR 4/6). <br /> ' 7.0 <br /> ' 8.0 <br /> 9.0 <br /> ' 10.0 <br /> Drilling Contractor: Precision Sampling,Inc. <br /> Driller: Brian Johnson <br /> Helper: James McIntyre&Steve Moore TOPSOILCLAY sn T SAND GRAVEL <br /> ' Logged By: Rachael Haynes <br />