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Field Exploratory Boring Log SB-3 <br /> OVM Blowst Sample Well Depth Soil Group <br /> 6" Number Construction (ft) (USCS) Materials Description <br /> Concrete and base rock <br /> Clay(CL) <br /> Very dark brown(10 YR 2/1),moist, <br /> moderate plasticity,80%clay, ]0°lo silt, <br /> 10%fine sand <br /> 00 SB-3-5 S @5' As above, Dark yellowish brown(IOYR <br /> 4/6),low plasticity,dry to moist <br /> 10- <br /> 00 SB-3-10 <br /> Silty sand(SM) <br /> Dark yellowish brown(10 YR 414),moist, <br /> 75%fine sand,25%silt <br /> 15 @ <br /> 15' As above,moist <br /> SB-3-IS <br /> =i <br /> q 20' As above,moist <br /> 20- <br /> 00 <br /> 000 SB-3-20 <br /> 00 SB-3-25 <br /> 25' As above,Dark gray(5Y 4/1),very <br /> moist,75%fine to medium sand,25%silt <br /> S 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 niches AMB�A <br /> SB-3 <br /> ��J Shell Service Station Logged by M Murphy <br /> 2494 East Fremont Street Driller Gregg Drilling 240-0797 <br /> Stockton, California Date Started 24-Apr-98 <br /> Date Completed 24-Apr-98 <br />