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Field Exploratory Boring Log SB-4 <br /> OVM Blows/ Sample Well Depth Soil Group Materials Description <br /> PPM 6" Number Construction (ft) (USCS) <br /> 16 SB-4-36 5 35 <br /> @ 35' As Above-moist <br /> 70 SB-4 41 5 40 <br /> Q Clayey Sand (SC) <br /> Black(5Y 2 5/2), wet, 65% fine to medtm sand,25% clay, <br /> 10% silt <br /> Clay (CL) <br /> 29 SB-4-465 45 Dark greenish gray(5GY 4/4), dry to moist, moderate to high <br /> plasticity,90%clay, 5% silt, 5% fine sand <br /> 19 SB-4 515 50 @ 50' As Above-moist, low to moderate plasticity, 70%clay, <br /> 25% silt, 5% fine sand <br /> Silty Sand (SM) <br /> Dark olive brown (2 5Y 3/3), moist, 65% fine sand, 35% silt <br /> 665 SB-4-55 5 55 <br /> Clay (CL) <br /> Brown to dark brown (IOYR 4/3), dry to moist, moderate <br /> plasticity, 85%clay, 10% silt, 5% fine sand page 2 of 3 <br /> 45 SB-4 61 5 60 <br /> BORING SHELL OIL PRODUCTS COMPANY Borehole Diameter 5 inches CAMBRI <br /> Shell Service Station Logged by J Neely <br /> SB-4 6131 Pacific Avenue Driller Gregg Drilling 97374 <br /> Stockton, California Date Started 2-Jul-97 <br /> Date Completed 2-Jul-97 <br />