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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 recover <br /> p p ed for laboratory analysis <br /> LOG OF SOIL BORING TP-3 <br /> Notes Depth Soil Description <br /> Interval (ft) <br /> 7/5/00 0 to 2 Base material 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 2 to 4 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 17-18 8 to 12 Brown (yellow-red) Clayey Silt[ML], fine sand and <br /> feet Water rose in varying clay fraction,moist, stiff to very stiff, low <br /> boring approximately plasticity <br /> 3 feet (to 14 foot <br /> depth) 2 5 hours after 12 to 16 Brown Clayey Silt[ML],fine sand and varying clay <br /> drilling fraction,moist, very stiff to hard, low plasticity <br /> Moisture and sand content increases with depth Soil <br /> sample not recoverable-- (soil sample ]mer jammed <br /> in sampler due to warping from drive heat) <br /> Groundwater sampled <br /> Hydro-punch set for 16p 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, moderate plasticity <br /> ' Saturated soil conditions at f/- 17— 18 feet Soil <br /> Bottom of Boring 20 sample from 19 5 to 20 feet <br /> feet <br />