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West & Hansen Engineers, Inc. <br /> PO Box 5891, Vacaville CA 95696 <br /> Pro ect. Stockton AASF Aircraft Wash ad System Job No. 6788-15 <br /> Location: Discharge Pit Date: October 10, 91 <br /> Boring Designation P-1 Driller West & Hansen Engineers, Inc <br /> Logged by BWW Base Vacaville <br /> Boring Location Next to Inlet Drill Equipment Hand Auger <br /> Soils Classification System USCS Diameter & Type Well Casing <br /> Sample type. BRASS TUBE - SPLIT SPOON NA <br /> Soil Matrix YES Elevation & Datum NA <br /> Date Started Sept 13, 91 Finished Sept 13 Completion Depth: 10 feet <br /> Number of Samples Three Depth to Groundwater. Unknosvn <br /> Depth <br /> i~ F lathology Observations Field Well <br /> (feet) A ti �x Analysis Construction <br /> 9-I <br /> 0 P-1- Dirt Pit Bottom <br /> Stiff grey clay, I I <br /> 1 CL Fine grained, cohesive Clean I 1 <br /> No odor or dis-coloration ! t <br /> I t <br /> 5 I I <br /> f I <br /> 6 Continued silty clay ! I <br /> CL No apparent contarnxnation Clean I I <br /> Medium plasticity I I <br /> 10 10 I I <br /> EO I I <br /> I I <br /> I 1 <br /> 1 I <br /> 15 I I <br /> I I <br /> I I <br /> I t <br /> I 1 <br /> I I <br /> 20 t ! <br /> t t <br /> I I <br /> I I <br /> I I <br /> 25 I I <br /> I I <br /> I I <br /> I I <br /> I I <br /> 1 I <br /> 34 ! I <br /> I I <br /> I I <br /> I I <br /> 35 I t <br /> t I <br /> I I <br /> I I <br /> I I <br /> 40 I I <br /> LJ <br />