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Field Exploratory Boring Log MW-4 (Well MW-4) <br /> OVM Blows/ Sample Well Depth Soil Group <br /> PPM 6" Number Construction (ft) (USCS) Materials Description <br /> Wellbox_ <br /> 0 1 ft <br /> Well drilled in planter <br /> Clay(CL) <br /> Black (10YR 2/1),moist, weak subangular blocky, <br /> moderate plasticity, 90% fines, 1017c very fine sand <br /> o W-4-5 5 5 @ 5' As Above -dark brown(10YR 313),trace caliche, 80% fines, <br /> 20%fine sand <br /> 10- <br /> 0 MW-4-11 Silt (ML) <br /> Light olive brown(2 5Y 513),moist, weak subangular blocky, <br /> low plasticity,itucaceous, sandy, 60% fines,40110 very fine sand <br /> Silty Sand(SM) <br /> 0 MW-4-16 15 Dark brown (7 5YR 313),moist, weak subangular blocky, <br /> _ micaceous, 809o' very fine sand, 20% fines <br /> V <br /> Q @ 16 5' As Above-90% fine to coarse sand <br /> C - <br /> 20 Silt(ML) <br /> 0 MW 4-205 Dark grayish brown(2 5Y 4/2),damp, weak subangular blocky, <br /> low plasticity, sandy, 60% fines,40% very fine sand <br /> 25 - <br /> 0 MW-4-26 Clay (CL) <br /> Dark brown (10YR 3/3), damp, weak subangular blocky, low to <br /> moderate plactisity, silty, 60% fines,4017o very fine sand <br /> 311-0 Page 1 of 2 <br /> WELL Borehole Diameter 8 inches CAMBRI <br /> Shell Service Station Logged by J Gaarder <br /> MW_ A4 6131 Pacific Avenue Driller Gregg 97374 <br /> Stockton, California Date Started 16-Sep-97 <br /> Date Completed 16-Sep-97 <br />