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Field Exploratory Boring Log B-1 <br /> OVM Blows/ Sample Well Depth Soil Group Materials Description <br /> PPM 6" Number Construction (ft) (USCS) <br /> Asphalt&Base rock 0 to 0 5' <br /> Clay (CL) <br /> Very dark gray (IOYR 311), moist, medium to high <br /> plasticity, 90%clay, 5% silt, 5% fine sand <br /> 00 2 @ 4 5' As above, moist, medium stiff <br /> 2 <br /> 4 5 <br /> 7 10 _ @ 95' As above,moist, very stiff <br /> 00 9 <br /> 15 <br /> Silt(ML) <br /> 4 15 — Olive brown(2 5Y 4/3), moist, medium stiff, 85% silt, <br /> 00 5 5% clay, 10% fine sand <br /> g B-1-16 5 <br /> 6 20 @ 19 5' As above,moist, very stiff, 75% silt, 15%clay, 10% <br /> 00 8 fine sand <br /> 12 <br /> Total Depth of Boring=21 feet <br /> 25 <br /> 30 <br /> BORING SHELL OIL PRODUCTS COMPANY Borehole Diameter 6 inches <br /> Former Shell Service Station Logged by ! Neely enviros <br /> B-1 141 N El Dorado Duller Gregg Drilling 96369 <br /> Stockton, California Date Started 2-Apr-96 <br /> Date Completed 2-Apr-96 <br />