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TWlN1N LOG OF SOIL BORING <br /> LABORATORIES INC BORING MW-3 <br /> Project: Frontier Transportation Pro(ect Number. 823502.01 <br />' Location, 425 Larch Road, Tracy, CA Dare Starfed August 16, 1996 <br /> Logged By: Patric[a Jones Date Completed: August 16, 1996 <br /> Drl1[ed By. Leo Praet Drill Type- CME-75 <br /> Auger Type HSA <br /> Depth to Groundwater: 10.55 Elevation: <br /> SOIL SIVIOLS <br /> �f�� S"PLER SYMBOLS uscs Soil Description Bowsper Remarice <br /> AND FIELD TEST DATA fact <br /> rConcrete Pavement i <br /> CL CLAY, sandy; very dark gray <br /> 3/1). slightly plastic, <br /> 309e very fine to fine grained, <br /> slightly moist, no odor <br /> 5 <br />' Same, gray brown (2.5Y, 5/2), <br /> Eastic 30% very fine sand, <br /> race mica, moist, no odor <br /> r <br /> 10 1/6 Some, very moist <br /> 2/6 Same, gray (2.5Y, 5/1), sand 4 PID: 239 ppm <br /> _ 2/6 content increases with delth <br /> to 40-45% very fine son <br /> petroleum type odor <br /> i <br /> SC SAND, clayey; gray brown <br /> 15 (2 5Y, 5/2), very fine to <br /> 4/6 fine grained, poorly graded, PID- 9.2 ppm <br /> 6/6 CL subangular, 20-30% slightly <br /> 13 <br /> 7/6 plastic fines, very wet, <br /> slight petroleum odor <br /> SC CLAY, sandy; gray brown (Z.SY, <br /> 5/Z), slightly plastic to <br /> L 20 astic, 0% very fine to <br /> 2/6 fine sand, very wet PID, 51 ppm <br /> 2/6 SAND. clayey; same as at 13.5 G <br /> CL feet <br /> CLAY, sandy; same as at 16.-5- <br /> f set <br /> 25 <br /> Bottom of Boring <br /> r <br /> 30 <br /> Notes- <br /> r <br />