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THE <br /> TWWHING LOG OF SOIL BORING <br /> LABORATORIES. INC'6 BORING B-4 <br /> Project: Frontier Transportation Project Number: 923502.01 <br /> Location: 425 Larch Road, Tracy, CA Date Started: August 15, 1995 <br /> Logged By: Patricia Jones Date Completed: August 15, 1996 <br /> ' Drilled By: Leo Praet Drill Type: CME-75 <br /> Auger Type: HSA <br /> Depth to Groundwater: 10.5 feet Elevation: <br /> SOIL SYMBOLS Blows or <br /> (feet) SAMPLER SYMBOLS UScs Soil Description F Ramarh <br /> AND MELD TEST DATA P Foot <br /> Asphaltic—concrete Pavemenf <br /> CL CLAY, sandy; vary dark ray <br /> (2.5Y, 3/1), plastic, 30% <br /> very fine to fine grained <br /> sand, trace mica, slightly <br /> SC ":moist no etroleum ► a odor <br /> Q P.............. <br /> 5 SAND, clayey: gray brown fi( pip: 23 ppm 2.5Y, 5 2), very fine to ne rained, subang ulor 30% <br /> slightly plastic fines, no <br /> mica, moist, no odor <br /> I <br /> I <br /> Some, very fine grained, 40% <br /> i0 clay <br /> _ ............ .... ................................................ PID: 195 ppm <br /> CL CLAY, sandy; gray brown <br /> 5/2), plastic, 30% very fine <br /> grained sand, moist to very <br /> moist, <br /> petroleum type odor FID: 906 ppm <br /> Some, gray (2.5Y, 5/1), <br /> slightly plastic to plastic, <br /> 15 40% very fine sand, wet, <br /> petroleum type odor <br /> Bottom of Boring. <br /> zo <br /> z� <br /> 30 <br /> Notes: Boring was backfilled with Portland cement concrete to within 1 foot <br /> of grade. The remainder of the boring was filled with concrete. <br />