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Hole Number: Sheet 7 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 /> U d <br /> Graphic Z F <br /> E 0 Soil Description Lo o 0. Notes <br /> Q4 ga! <br /> Q� <br /> 130.0 to 131.0 ft. -SAND,medium sand to fine gravel, Borehole Area Air Measurements: <br /> well graded. 24 0%LEL CH / 0 ppm VOC <br /> 1.5 42 <br /> 131.0 1.5 34 <br /> 131.0 to 131.3 ft. -SAND,wet,loose,fine 42 <br /> grained,moderate brown(5YR 4/4). <br /> 131.3 to 131.5 ft.-SAND,moist,fine to <br /> 132.0 medium grained,poorly sorted,multi-colored. <br /> 131.5 to 135.0 ft.-SAND. <br /> 12 <br /> 133.0 <br /> 134.0 <br /> 135.0 <br /> 135.0 to 136.0 ft. -CLAY with some mica present, <br /> dry,hard,rust banding,moderate yellowish brown 14 <br /> (IOYR 5/4). 1_0 26 <br /> 136.0 1.5 50 <br /> 136.0 to 140.0 ft. -CLAY. 63 <br /> 137.0 <br /> 13 <br /> 138.0 <br /> 139.0 <br /> • 140.0 Terminate Drilling @ 1526 on 11/17/2008 <br /> Drilling Contractor: Precision Sampling,Inc. <br /> Driller: Paul Draeger F7A FU L] <br /> Helper: Robert Kline,Brian Johnson,&James McIntyre CLAY SILT SAND GRAVEL <br /> Logged By: David Vasbinder <br />