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Field Exploratory Boring Log SB-5 <br /> Blows/ Sample Well Depth Soil Group <br /> 6" Number Construction (ft) (USCS) Materials Description <br /> Asphalt& Base rock 0 to 0 5' <br /> Silt(ML) <br /> Olive Brown (2 5Y 414),moist, 70%silt, 10%clay, <br /> 2017o fine sand <br /> 5 <br /> 00 SB-5-6 @ 5' as above,moist <br /> Silty Sand (SM) <br /> Olive Brown(2 5Y 414), moist, 70% fine sand, 30% silt <br /> 10 - <br /> 00 5B-5-1 I <br /> Clay(CL) <br /> 15 — Olive Brown (2 5Y 413),moist, low plasticity, 60%clay, <br /> 00 SB 5-16 30% silt, 10% fine sand <br /> 00 SB 5-21 20— 9 20' as above, moist <br /> 766 SB-5-26 25 @ 25' as above, moist, dark olive gray(5Y 312) <br /> Q <br /> 75 SB-5-31 30 - @ 30' as above, moist to wet Total depth of bonng 31 ft <br /> BORING SHELL OIL PRODUCTS COMPANY Borehole Diameter 2 inches ` <br /> Shell Service Station Logged by ! Neely enviros <br /> SB-5 1267 Country Club Boulevard Dnller Gregg Drilling 97407 <br /> Stockton, California Date Started 4-Apr-97 <br /> Date Completed 4-Apr-97 <br />