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Hole Number: Sheet 18 of 18 <br /> ' ERST & 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> F- <br /> Soil DescriptionLog 9 0 � Notes <br /> ' 170.0 to 170.8 ft.-SAND,moist loose,fine to Borehole Area Air Measurements: <br /> medium grained,poorly sorted,subrounded,dark 13 O%LEL CH4 / 0 ppm VOC <br /> brown(IOYR 3/3). <br /> ln.o . <br /> 34 �8 19 <br /> 21 <br /> ' 172.0 <br /> ' 173.0 <br /> 174.0 <br /> 1 <br /> 175.0 <br /> 175.0 to 175.167 ft. -GRAVEL&SAND,poorly 0.167 <br /> sorted,subrounded,dark brown(IOYR 3/3). 35 0.167 50 Borehole Area Air Measurements: <br /> 0%LEL CH / 0 ppm VOC <br /> ' 176.0 <br /> Terminate drilling at 1350 on 1/22/2010. <br /> ' 177.0 <br /> ' 178.0 <br /> 179.0 <br /> ' 180.0 <br /> Drilling Contractor: Precision Sampling,Inc. F7 M <br /> Driller: Brian Johnson <br /> ' Helper: Mac, Steve,&Charlie <br /> CLAY SILT SAND GRAVEL <br /> Logged By: Leslie Keuss <br />