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Field Exploratory Boring Log MW-5 (Well MW-5) <br /> IM Blows/ Sample Well Depth Soil Group <br /> PPM 6" Number Construction (ft) (USCS) Materials Description <br /> Wellbox <br /> 0 1 fL — Concrete&base rock from 0 to 0 5' <br /> Clay (CL) <br /> Black(10YR 2/1),moist, weak subangular blocky, <br /> moderate plasticity, 90% fines, 10% very fine sand <br /> p W-5-5 5 5 — @ 5' As Above-dark yellowish brown(10YR 4/4),damp, <br /> 80% fines, 20% fine sand <br /> to <br /> p MW-5-11 _ Silty Sand(SM) <br /> Dark yellowish brown(10YR 414), damp, weak subangular blocky, <br /> micaceous, 60% very fine sand,40% fines <br /> 0 MW-5-16 15 @ 15' As Above-olive brown(2 5Y 413), moist, 80% very fine <br /> m sand,20%fines <br /> u <br /> 5 a <br /> U � <br /> N <br /> 20 Clay (CL) <br /> 0 MW-5-21 Light olive brown (2 5Y 5/2),damp, weak subangular blocky, <br /> moderate plasticity, silty,90% fines, 10% very fine sand <br /> 25 <br /> 0 MW-5-26 Silt(ML) <br /> Olive brown (2 5Y 4/3), damp, weak subangular blocky, low to <br /> moderate plasticity, clayey,60% fines,40% very fine sand <br /> LBentonite 30— Page 1 of 2 <br /> WELL Borehole Diameter 8 inches <br /> Shell Service Station Logged by J Gaarder CAMBRIA <br /> M�_5 6131 Pacific Avenue Driller Gregg 97374 <br /> J Stockton, California Date Started 16-Sep-97 <br /> Date Completed 16-Sep-97 <br />