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Field Exploratory Boring Log B-4 <br /> OVM Blows/ Sample Well Depth Soil Group <br /> Materials Description <br /> PPM 6" Number Construction (ft) (USCS) <br /> Asphalt&Base rock 0 to 0 5' <br /> Silty Sand(SM) <br /> Dark olive brown(2 5Y 3/3), moist, 7017c fine sand, 25% silt, <br /> 5%clay <br /> 5 5 — @ 4 5' As above, moist, stiff <br /> 00 5 <br /> 7 <br /> Clay (CL) <br /> Olive brown (2 5Y 4/3), moist, very stiff,medium plasticity, <br /> 3 10 80% clay, 15%silt, 5% fine sand <br /> 00 8 <br /> 16 <br /> Silt(ML) <br /> Olive brown (5Y 413), moist, very stiff,75% silt, 15% clay, <br /> 7 B-4-15 15 10% fine sand <br /> 00 8 <br /> 13 <br /> Silty Sand(SM) <br /> Olive brown (5Y 413), moist, dense,70% fine sand, 10% clay, <br /> $ 20 20% silt <br /> 00 <br /> 13 B-4-21 <br /> 20 <br /> 8 Clay(CL) <br /> B-4-25 5 25 — Olive gray (2 5Y 4l2), moist, hard,medium plasticity, 70% <br /> 0 0 14 <br /> 18 clay, 20% silt, 10% fine sand <br /> Silt(ML) <br /> Dark olive brown(2 5Y 412), moist, stiff,70% silt, 10% clay, <br /> 30 20% fine sand <br /> BORING SHELL OIL PRODUCTS COMPANY Borehole Diameter 6 inches • <br /> Former Shell Service Station Logged by J Neely envlros® <br /> B-4 141 N El Dorado Driller Gregg Drilling 96369 <br /> Date Started 2-Apr-96 <br /> Stockton, California Date Completed 2-Apr-96 <br />