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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 (I0 YR 2/1),moist, <br /> moderate plasticity, 80%clay, 10% silt, <br /> 1091'? fine sand <br /> 00 SB 3-5 5 @5' As above, Dark yellowish brown(10YR <br /> 416), low plasticity,dry to moist <br /> 10 <br /> 00 SB 3-10 <br /> Silty Sand(SM) <br /> Dark yellowish brown(10 YR 4/4),moist, <br /> 75% fine sand,25% silt <br /> 15 @ 15' As above,moist <br /> 00 SB-3-15 <br /> @ 20' As above,moist <br /> 20 <br /> 00 SB-3-20 <br /> 00 SB-3-25 <br /> 25 @ 25' As above,Dark gray (5Y 4/1), very <br /> moist, 75%fine to medium sand, 25% silt <br /> Clay (CL) <br /> Olive brown(2 5 YR 4/4), 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 CAMBRIA <br /> Shell Service Station togged by M Murphy <br /> SB-3 2494 East Fremont Street Driller Gregg Drilling <br /> Date Started 24-Apr-98 240-0797 <br /> Stockton, California Date Completed 24-Apr-98 <br />