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Hole Number: Sheet 2 of 8 <br /> HERST & ASSOCIATES, INC.- AMW-13B Soil Log <br /> . Northing: 2,146,427.3 Easting: 6,361,711.9 Ground Surface Elevation: 37.2 <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: November 13- 17,2008 <br /> � > <br /> jc 0 <br /> -S '9 Graphic Z �> H <br /> b Soil Description Lo o raa Notes <br /> Qwo g � �a <br /> Qpm <br /> 80.0 to 81.5 ft.-Clayey SILT with some medium sand 14 <br /> and barite banding,dry,stiff,moderate yellowish brown <br /> (IOYR 5/4). 1_5 19 <br /> 81.0 1.5 20 <br /> 30 <br /> 81.5 to 85.0 ft.-Clayey SILT. <br /> 82.0 <br /> 2 <br /> 83.0 <br /> • <br /> 84.0 <br /> 85.0 <br /> 85.0 to 86.5 ft.-Clayey SILT with some medium sand Borehole Area Air Measurements: <br /> and barite banding,dry,stiff,moderate yellowish brown 25 0%LEL CH4 / 0 ppm VOC <br /> (1 OYR 5/4). 1_5 29 <br /> 86.0 1.5 23 <br /> 31 <br /> 86.5 to 90.0 ft.-Silty SAND. <br /> 87.0 <br /> 3 <br /> 88.0 <br /> 89.0 <br /> • 90.0 <br /> Drilling Contractor: Precision Sampling,Inc. <br /> Driller: Paul Draeger EEI <br /> Helper: Robert Kline,Brian Johnson,&James McIntyre CLAY SILT SAND GRAVEL <br /> Logged By: David Vasbinder <br />