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JJTWNING <br /> LOG OF SOIL BORING <br /> LABORATORIES, INC_ BOPJNC B--2 <br /> iProject: Frontier Transportation Project Number: E323502.01 <br /> Location• 425 Larch Road, Tracy, CA Date Started: August 15, 1996 <br /> Logged By: Patricia Jones Date Completed: August 15, 1996 <br /> Drilled By Leo Proet Drill Type: CME-75 <br /> Auger Type. HSA <br /> Depth to Groundwater: 10.5 feet Elevation: <br /> SOIL SYMBOLS Blows e <br /> (Beet) SIMPLER SYMBOLS USCS Soil Description per Remarh <br /> AND FIELD TEST DATA foot <br />' 0 <br /> Concrete Pavement <br /> CLCLAY, sandy; very dark gray <br />' (2.5Y, 3/1), slightlyplastic <br /> to plastic, 30% very fine to <br /> fine sand, trace mica, <br /> slightly moist. petroleum <br />' 5 4/6 SC type odor0/,/- ppm <br /> PID: 438 <br /> 4/6 Color changes to dark gray S <br /> 5/6 brawn (2.5Y. 4/2) <br /> CL SAND, clayey; gray (2.5Y, 5/1) <br />' very fine to fine grained, <br /> 3/6 subangular, 207 fines. trace No FID <br /> 5/6 mica, moist, slight petroleum <br /> -10 5/6 type odor 1 d reading <br /> _ 2/6 CLAY, sandy; dark gray (2.5Y, 5 P[D: 342 ppm <br /> 3/6 SC 4/2), plastic, 30-40% very <br /> ft4/2), <br /> to fine sand, no mica, <br /> , petroleum type odor <br /> moist <br />' , clayey; dark gray (2.5Y. <br /> i5 very fine to fine <br /> ed, 30--40% plastic fines, <br /> petroleum a odor <br />' Bottom of Boring <br />' 20 <br /> 2.5I <br /> 30 <br /> SNotes: Baring was backfilled with portland cement concrete to within 1 <br /> foot of grade. The remainder of the boring was filled with cement. <br />