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Field Exploratory Boring Log SB-3 <br /> OVM Blows/ Sample Well Depth Soil Group <br /> PPM 6" Number Construction (ft) (USCS) Materials Description <br /> Concrete and base rock <br /> Clay(CL) <br /> Very dark brown(10 YR 211);moist; <br /> moderate plasticity;80%clay; 10%silt; <br /> 10%fine sand. <br /> 0.0 SB-3-5 5 @5': As above, Dark yellowish brown(IOYR <br /> 4/6);low plasticity;dry to moist. <br /> 10 <br /> 0.0 SB-3-10 <br /> Silty Sand(SM) <br /> Dark yellowish brown(10 YR 414);moist; <br /> 75%fine sand; 25% silt. <br /> 15 @ IS': As above,moist. <br /> 0.0 SB-3-15 <br /> @ 20': As above,moist. <br /> 20 <br /> 0.0 SB-3-20 <br /> 0.0 SB-3-25 25 <br /> @ 25': As above,Dark gray(5Y 4/1);very <br /> moist;75%n fine to medium sand; 25% silt. <br /> Clay (CL) <br /> Olive brown(2.5 YR 414);moist;hard;moderate <br /> 335 SB-3-30 30 plasticity; 80%clay ; 10%silt; 10%fine sand. page 1 of 2 <br /> BORING SHELL OIL PRODUCTS COMPANY Borehole Diameter: 8.0 inches AMBRIA <br /> Shell Service Station LA)8ged by: M.Murphy <br /> SB-3 2494 East Fremont Street Driller: Gregg Drilling 240-0797 <br /> Stockton, California Date Started: 24-Apr-98 <br /> Date Completed: 24-Apr-98 <br />