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Field Exploratory Boring Log SB-4 <br /> PID Blows/ Sample Well Depth Soil Group <br /> Materials Description <br /> {ppm) 6" Number Construction (ft) (USCS) <br /> Asphalt 0 to 0 25' <br /> Silt(ML) <br /> Dark brown (7 5YR 313), soft,dry, no plasticity, 65%fines, <br /> 35%fine sand <br /> c.= <br /> � R <br /> 3 � <br /> 00 y 5 <br /> '= c <br /> o SB-4-6 6 @ 6' as above,brown (7 5YR 414),dry, 75% fines, <br /> 0 25%fine sand <br /> � m <br /> 00 SB-4-10 0 10 @ 10' as above, light olive brown (2 5Y 514),medium stiff,dry, <br /> 90%fines, 10% fine sand <br /> 00 SB-4-15 0 15 <br /> Sand(SP) <br /> Light olive brown (2 5Y 5/4), loose, damp, 20% fines, <br /> 80% medium sand <br /> 00 SB-4-20 0 20 @ 20' as above, light yellowish brown(2 5Y 613), <br /> medium dense,damp, 10% fines, 90% medium sand <br /> 200 SB-4-25 0 25 Silt(ML) <br /> Light yellowish brown(10YR 614), stiff,dry, low plasticity, <br /> 90% fines, 10% fine sand <br /> 30 Page l of 3 <br /> BORING Borehole Diameter 6 inches <br /> Shell-branded Service Station Logged by A Cool CAMBRI <br /> SB—4 880 Victor Road Driller Gregg Dnllmg <br /> Lodi, California Date Started 14-San-99 240-0955 <br /> ff Date Completed 15-Jan-99 <br />