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Soil Boring Logs <br /> University of the Pacific <br /> 1081 W. Mendocino Avenue <br /> Stockton, California <br /> Shaded interval indicates depth of sample recovered for laboratory analysis <br /> LOG OF SOIL BORING TP-5 <br /> Notes Depth Soil Description <br /> Interval (ft) <br /> 715100 0 to 3 Base matenal for asphalt surface consisting of <br /> compacted gravel with fines and underlying reworked <br /> Logged by PBH, clayey fill material <br /> Water sampling by <br /> CXS F3t Brown-red Clayey Silt [ML] with low plasticity, <br /> damp, hard, contains occasional gravel and fine sand <br /> (representative of native material outside former UST <br /> pit excavation) <br /> 4 to 8 Brown-red Clayey Silt [ML],contains occasional <br /> gravel and fine sand,damp, very stiff to hard, low <br /> plasticity <br /> Depth to groundwater <br /> while drilling 18 feet 8 to 12 Brown (yellow-red) Clayey Silt[ML],fine sand and <br /> varying clay fraction, moist, stiff to very stiff, low <br /> Water rose in boring plasticity <br /> approximately 2 feet <br /> (to 16 foot depth) 2 0 _ <br /> hours after drilling 12a to 16 Brown Clayey Silt[ML], fine sand and varying clay <br /> fraction, moist,very stiff to hard, low plasticity <br /> Moisture and sand content increases with depth Soil <br /> sample from 15 5 to 16 feet <br /> Groundwater sampled <br /> Hydro-punch set for 16 to 20 Brown Sandy Silt [ML] and Silty Sand [SM] <br /> groundwater sampling (gradational with depth),fine sand and varying clay <br /> to 24 feet fraction, moist,very stiff to hard, low plasticity <br /> Saturated soil conditions within sandy silt at+/- 18 <br /> Bottom of Boring 20 feet Soil sample from 19 5 to 20 feet <br /> feet <br />