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Hole Number: Sheet 9 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 /> Graphic Z a> E- <br /> Log Description Log Notes <br /> ' 80.0 to 81.5 ft.-Silty CLAY,moist,soft,plastic,mica Borehole Area Air Measurements: <br /> throughout,brown(10YR 4/3). 8 0%LEL CH4 / 0 ppm VOC <br /> 1_5 <br /> 81.0 16 1.5 11 <br /> 16 <br /> 82.0 <br /> 83.0 <br /> 84.0 <br /> ' 85.0 <br /> 85.0 to 85.8 ft.-Silty CLAY,slightly moist,stiff,not Borehole Area Air Measurements: <br /> plastic,brown(10YR 4/3). 17 0%LEL CH4 / 0 ppm VOC <br /> 17' 1.5 19 86.0 85.8 to 86.3 ft.-SAND,moist,loose,fine to medium <br /> grained,poorly sorted,subrounded,yellowish brown 30 <br /> (1 OYR 5/4). <br /> ------------------- <br /> ' 87.0 <br /> 88.0 <br /> 89.0 <br /> 90.0 <br /> Drilling Contractor: Precision Sampling,Inc. <br /> Driller: Brian Johnson <br /> Helper:' Mac, Steve,&Charlie <br /> Logged By: Leslie Keuss CLAY SILT SAND GRAVEL <br />