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Hole Number: Sheet 11 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 r. <br /> 9 U <br /> ' 100.0 to 101.5 ft. -SAND,wet,loose,medium grained, Borehole Area Air Measurements: <br /> well sorted,subrounded,brown(10YR 5/3). Contains 22 0%LEL CH / 0 ppm VOC <br /> 5%mica throughout. 1_5 <br /> ' 101.0 20 1.5 23 <br /> 29 <br /> ' 102.0 <br /> 103.0 <br /> 1 <br /> 104.0 <br /> t <br /> ' 105.0 <br /> 105.0 to 106.4 ft. -SAND,wet,loose,fine grained, Borehole Area Air Measurements: <br /> well sorted,subrounded,brown(10YR 5/3). Contains 19 0%LEL CH / 0 ppm VOC <br /> 5%mica throughout. 1_5 <br /> ' 106.0 21 1.5 20 <br /> 21 <br /> 106.4 to 106.5 ft.-Clayey SILT,wet,soft,highly <br /> ' plastic,trace iron staining,micaceous,yellowish <br /> 107.0 brown(1 OYR 5/6). <br /> ' 108.0 <br /> t <br /> 109.0 <br /> ' 110.0 <br /> Drilling Contractor: Precision Sampling,Inc. <br /> Driller: Brian Johnson <br /> Helper: James McIntyre&Steve Moore <br /> ' Logged By: Rachael Haynes CLAY SILT SAND GRAVEL <br />