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Field Exploratory Boring Log SB-4 <br /> PID Blows/ Sample Well Depth Soil Group Materials Description <br /> (ppm) 6" Number Construction (ft) (USCS) <br /> Asphalt 0 to 0 25' <br /> E Silt(ML) <br /> Dark brown (7 5YR 3/3), soft,dry, no plasticity, 65% fines, <br /> 35% fine sand <br /> C � <br /> C <br /> c. <br /> a o 5 <br /> 00 c <br /> oSB-4-6 0 @ 6' as above,brown (7 5YR 4/4),dry, 75%fines, <br /> o. 3 25%fine sand <br /> � o <br /> rn Fn <br /> 00 SB-4-10 0 10 @ 10' as above, light olive brown(2 5Y 5/4),medium stiff,dry, <br /> 90% fines, 10%fine sand <br /> 00 SB-4-15 0 15 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, 1017o fines, 90% medium sand <br /> 200 SB-4-25 0 25 Silt (ML) <br /> Light yellowish brown(10YR 6/4), stiff,dry, low plasticity, <br /> 90% fines, 10% fine sand <br /> Page 1 of 3 <br /> 30 <br /> Borehole Diameter 6 inches <br /> BORING � p MBRI <br /> Shell-branded Service Station Logged by A Cool A <br /> SB- A 880 Victor Road Driller Gregg Drilling <br /> G•� Lodi, California Date Started 14-Jan-99 240-0955 <br /> Date Completed 15-Jan-99 <br />