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1 THE <br /> f � G LOG OF SOIL BORING <br /> LABORATa IES INC. BORING B—i <br /> Project: Fron-fier Transportation Project Number: 823502.01 <br /> ' Location: 425 Larch Road, Tracy, CA Date Started: August 15, 1996 <br /> Logged By: Patricia Jones Date Completed: August 15, 1996 <br /> ' Drll[ed By: Leo Praet Drill Type: CME-75 <br /> Auger Type: HSA <br /> Depth to Groundwater: 10.5 feet Elevation: <br /> SOIL SYMBOLS Bows <br /> FQ�EPTfSAMPLER SYMBOLS Uses Soll Description pOC R°maraca <br /> AND FIELD TEST DATA foot <br /> Concrete Pavement <br /> ' CL CLAY, sandy; very darkgra y <br /> (2.5Y, 3/1), slightly plasfic <br /> to plastic, 30% very fine to <br /> fine sand, 20% silt, slightly <br /> ' $ moist to moist, slight 3/6 5C ;Petroleum type odor PED: 230 <br /> 4/6 SAND, clayey, silty; gray 9 Ppm <br /> 5/6 (2.5Y, 5/1). friable to <br /> slightly plastic, very fine <br /> ............ ..to ffne grained, 30-40% fines, <br /> CL ,moist, slight petroleum type <br /> odor <br /> •- ------------------------------•---.....------ <br /> 10 77 1/6 CLAY, Sandyy; dark gray (2.5Y, PID: 427 ppm <br /> 3/6 4 1), lastrc, 30% fine to 7 <br /> 14/6 medium sand, moist petroleum <br /> type odor <br /> wet <br /> ' Boffom of Boring <br /> 15 <br /> ' 20 <br /> 25 <br /> ' 30 <br /> Notes: Boring was backfilled with Portland ce-ment concrete to within 1 foot <br /> of grade. The remainder of the boring was filled with concrete. <br />