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Ogg <br /> �. , <br /> .�,. ����s � -{rG. �.<.. �7- -a' ,� �-'� ^✓,r -.a _�"�'m s �r� �.:. �,�� � n a,9c, n <br /> �,�•� <br /> rr <br /> — ' <br /> K� <br /> AGS 87031--2 <br /> FUSAStation 110, 110 <br /> Stockton, California <br /> � I <br /> samples were collected and described at the <br /> Twenty-eight soil <br /> nia-modified split-spoon <br /> time of drilling through use of a Califor <br /> sampler. These samples, as identified an the Boring Logs (Plates <br /> P-6 through P-11) were collected at 5-foot intervals from the <br /> ground surface 40 tc,;;ai depth of the borings. <br /> Soil samples were collected by advancing the boring <br /> to a point <br /> immediately above the sampling depth, and then driving the <br /> sampler into the native soil. The sampler was driven 18 inches <br /> with a standard 140-pound hammer dropped 30 inches. The number <br /> of blows required to drive the sampler each successive 6-inch <br /> increment was counted and recorded as an indication of soil <br /> material consistency. <br /> Descriptions of earth materials encountered in the borings are <br /> presented in the Baring <br /> Logs. The borings penetrated a <br /> heterogeneous sequence of silt with varying amounts of sand and <br /> clay. Sand content increased below a depth of approximately 40 <br /> feet. Plate P-5 gives a summary of the Unified Soil <br /> Classification system used to identify the soils. <br /> Soil samples were subjectively analyzed for the presence of <br /> hydrocarbon odor or discoloration prier 4o preparation for <br /> The samples were also subjected to <br /> transport to the laboratory. <br /> 6 <br /> APP/led G00.5XS ems <br />