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Hole Number: Sheet 10 of 18 <br /> ' ERST & 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 r. q o a Notes <br /> Log v� <br /> ' 90.0 to 91.0 ft.-SAND,wet,loose,medium grained, Borehole Area Air Measurements: <br /> well sorted,subrounded,brown(10YR 5/3). Contains 15 0%LEL CH / 0 ppm VOC <br /> 5%mica throughout. <br /> ' <br /> 18 1:� 20 91.0 <br /> 21 <br /> ' 92.0 <br /> 93.0 <br /> 94.0 <br /> ' 95.0 <br /> 95.0 to 96.2 ft.-SAND,wet,loose,medium grained, Borehole Area Air Measurements: <br /> well sorted,subrounded,brown(10YR 5/3). Contains 19 0%LEL CH <br /> 4 / 0 ppm VOC <br /> 5%mica throughout. 19 1. 5 25 <br /> ' 96.0 <br /> 29 <br /> ' 97.0 <br /> 98.0 <br /> 99.0 <br /> ' 100.0 <br /> Drilling Contractor: Precision Sampling,Inc. <br /> Driller: Brian Johnson F71 FU EJ <br /> Helper: James McIntyre&Steve Moore <br /> ' Logged By: Rachael Haynes CLAY SILT SAND GRAVEL <br />