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Field Exploratory Boring Log SB-4 <br /> PID Blows/ Sample Well Depth Soil Group <br /> (ppm) 6" Number Construction (ft) (USCS) Materials Description <br /> Asphalt 0 to 0 25' <br /> E Silt(ML) <br /> c Dark brown(7 SYR 3/3), soft,dry, no plasticity,65%fines, <br /> 35%fine sand <br /> 7 <br /> CL <br /> s � <br /> ao a 5 <br /> � � <br /> L. L. <br /> SB-4-6 0 @ 6' as above,brown(7 SYR 414),dry,75%fines, <br /> E o 25%fine sand <br /> v, ao <br /> 00 SB-4-100 10 @ }0' as above, light olive brown (2 5Y 514),medium stiff,dry, <br /> 90%fines, 10% fine sand <br /> 00 SBA-150 15 <br /> Sand(SP) <br /> Light olive brown (2 5Y 5/4),loose,damp,20%fines, <br /> 80% medium sand <br /> 00 SB-4-200 20 @ 20' as above, light yellowish brown(2 5Y 6/3), <br /> medium dense,damp, 10% fines,90%medium sand <br /> 200 SO-4-250 25 Silt (ML) <br /> Light yellowish brown(IOYR 614), stiff,dry,low plasticity, <br /> 90%fines, 10% fine sand <br /> 30 Page 1 of 3 <br /> BORING Borehole Diameter 6 inches <br /> Shell-branded Service Station Logged by A Cool CAMB j <br /> SBCR�� 880 Victor Road Driller Gregg Drilling <br /> Lodi, California Date Started 14-Jan-99 240-0955 <br /> Date Completed 15-Jars-99 <br />