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Hole Number: Sheet 15 of 18 <br /> (HEST & ASSOCIATES, INC.- ® 1 Soil Log <br /> Northing: 2,146,441.0 Easting: 6,359,731.4 Ground Surface Elevation: 34.9 <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 4- 12,2008 <br /> Qo Soil Description GLoglc ° 01 Notes <br /> 140.0 to 141.0 ft.-CLAY,dry,very stiff,rust staining, 8 Resume Drilling @ 0846 on 11/11/2008. <br /> moderate yellowish brown(IOYR 5/4). <br /> 1.0 15 <br /> 141.0 1.5 26 Borehole Area Air Measurements: <br /> 141.0 to 145.0 ft.-CLAY. <br /> 45 0%LEL CH4 / 0 ppm VOC <br /> 142.0 <br /> 29 <br /> 143.0 <br /> 144.0 <br /> 145.0 <br /> 145.0 to 146.3 ft.-CLAY,dry,very stiff,rust staining, 18 <br /> moderate yellowish brown(IOYR 5/4). <br /> 1.3 19 <br /> 146.0 1.5 36 <br /> 45 <br /> 146.3 to 150.0 ft.-CLAY. <br /> 147.0 <br /> 30 <br /> 148.0 <br /> 149.0 <br /> 150.0 <br /> Drilling Contractor: Precision Sampling,Inc. <br /> Driller: Paul Draeger F72 M ELJ <br /> Helper: Tony Young,Robert Kline,&Diego Amador CLAY SILT SAND GRAVEL <br /> Logged By: David Vasbinder <br />