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I rxa <br /> LOG OF SOIL BORING <br /> LABORATORIES INC $QPJNC B-4 <br /> • Projecf• Frontier Transportation Pro[ect Number: 823502.01 <br />' Location. 425 Larch Road, Tracy, CA Date Started- August 15, 1996 <br /> Logged By: Patrlc€a Janes Date Completed: August 15, 1996 <br />' Drtiied gy. Leo Praet Drill Type: CME--75 <br /> Auger Type: HSA <br />' Depth to Groundwater: 10.5 feet Elevation: <br /> DEPTH SOIL SYMBOLS @[errs or(fast) SAMPLER SYM OL5 USCS $Oil DeSGrlpflon foot Remarks <br /> AND rEI_D TEST DATA <br />' 0 <br /> Asphaltic–concrete Pavement <br /> CL CLAY, sand very dark gray <br /> (2.5Y, 3/1 plastic, 30% <br />' very fine to fine grained <br /> sand, trace mica, sI' hfly <br /> SC rnoisf, no petroleurrciPe odor <br /> S SAND. clayey; gray brown PtD- 23 ppm <br /> (2.5Y, 5/2) very fine to <br /> no grained, subangular, 30% <br /> slightly plastic fines. no <br />' mica, moist. no odor <br /> Some, very fine grained, 40% <br /> 10 clay <br /> 77 P[D- 196 ppm <br /> - CL CLAY, sandy; gra; brown (2.5Y. <br /> 5/2), plastic, 30% very fine <br /> grained sand, moist to very <br /> moist, petroleum type odor PID: 906 ppm <br />' — 140%�'ve�ry <br /> m , gray (2.5Y, 5/1), <br /> tly plastic to plastic, <br /> 15 fine sand, wet, <br /> lem fvDe odor <br />' Bottom of Boring. <br />' 20 <br /> 1 <br />' 30 <br /> Notes: Bor-sng was backftlled with Portland cement concrete to within 1 foot <br /> of grade The remainder of the boring was fUled with concrete <br />