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Hole Number: Sheet 10 of 18 <br /> HERST & ASSOCIATES, INC.- 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 /> Graphic Z 7a> Notes <br /> F� <br /> QSoil Description Lo o <br /> G g � � <br /> w o C4 <br /> Q� <br /> 90.0 to 90.6 ft. -SILT with mica present,slightly moist, Borehole Area Air Measurements: <br /> very stiff,rust banding,moderate brown(5YR 4/4). 15 0%LEL CH4 / 0 ppm VOC <br /> 90.6 to 90.7 ft.-SAND�wet, edium to coarse 0_7 24 <br /> 91.0 grained,multi-colored. 1.5 30 <br /> 32 <br /> 90.7 to 95.0 ft.-SAND. <br /> 92.0 <br /> 19 <br /> 93.0 <br /> 94.0 <br /> 95.0 <br /> 95.0 to 96.0 ft.-SAND,wet,medium to coarse 22 <br /> grained grading down to fine grained,multi-colored. <br /> 1_0 24 <br /> 96.0 1.5 26 <br /> 96.0 to 100.0 ft.-SAND. 30 <br /> 97.0 <br /> 20 <br /> 98.0 <br /> 99.0 <br /> 100.0 <br /> Drilling Contractor: Precision Sampling,Inc. <br /> Driller: Paul Draeger F/2 TM <br /> E*L�J T1771 <br /> Helper: Tony Young,Robert Kline,&Diego Amador CLAY SILT SAND GRAVEL <br /> Logged By: David Vasbinder <br />