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Hole Number: Sheet 7 of 8 <br /> HERST & ASSOCIATES, INC.- AMw 22 Soil Log <br /> • Northing: 2,147,896.8 Easting: 6,361,154.7 Ground Surface Elevation: 35.4 <br /> Project: Austin Road NCYCC Drilling Rig Type: Mud Rotary <br /> Project No.: 120081503 Method of Drilling: DB 540 with Mud Puppy <br /> Site Location: Stockton,California Drilling Dates: December 1 -3,2008 <br /> � °- <br /> Soil Description Graphic a Q.o a Notes <br /> Log U v� <br /> Quo <br /> Q� <br /> 130.0 to 130.7 ft.-SAND,dry,loose,fine grained, Borehole Area Air Measurements: <br /> moderate brown(5YR 4/4). 29 0%LEL CH4 / 0 ppm VOC <br /> p_7 37 <br /> 131.0 130.7 to 135.0 ft. -SAND. 1.5 50 <br /> >75 <br /> 132.0 <br /> 12 <br /> 133.0 <br /> • <br /> 134.0 <br /> 135.0 <br /> 135.0 to 135.6 ft.-SAND,dry,loose,fine grained, <br /> moderate brown(5YR 4/4). 22 <br /> 0_5 50 <br /> 136.0 135.6 to 140.0 ft.-SAND. 1.5 56 <br /> >75 <br /> 137.0 <br /> 13 <br /> 138.0 <br /> 139.0 <br /> • 140.0 Terminate Drilling @ 1608 on 12/3/2008 <br /> Drilling Contractor: Precision Sampling,Inc. <br /> Driller: Paul Draeger <br /> Helper: Diego Amador&Bill Kishi CLAY SILT SAND GRAVEL <br /> Logged By: David Vasbinder <br />