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PLocation: Stockton CA Project Number: 18600251.02041 roject: California Army National Guard Log of Soil Boring: B-4 <br /> Dates Drilled: 03/05/08 Borehole Name: B-4 <br /> 1 Drilling Contractor: Gregg Drilling Company Logged By: T.Gere <br /> Drilling Method: Hollow-stem Auger Checked By: V.Elarth,P.G.#7120 <br /> Borehole Diameter: 8-inch Total Depth: 40 feet <br /> Comments: 15 feet Northwest of MW-1 and 15 feet West of B-4 refusal Sampling Method: Split Spoon <br /> o <br /> do � F � LITB;OLOGY DESCRIPTION SOIL BORING DETAILS <br /> 0 Asphalt , 0 <br /> --------------------------------- <br /> Sandy Clay(CL) Trace gravel and silt,dark grayish <br /> brown(2.5YR 4/2),medium to coarse sand,low <br /> plasticity,sot damp. <br /> g <br /> I 10 -------------------------------- <br /> 15 <br /> 5 B4-5 0.0/0.0 0.0 1640 5 <br /> Sandy Silt(MI.):Brown(10YR 5/3),very fine to fine <br /> and,medium plasticity,damp. <br /> 5 Clayey Silt(ML) Trace very sand,brown(10YR 5/3), <br /> 15 firm,low plasticity,damp. <br /> t0 B4-10 <br /> 16 0.0/0.0 0.0 1645 10 <br /> WIT <br /> 7.5 Cu.Ft.of Neat Cement <br /> Grout containing less than <br /> 5%bentonite powder <br /> 0.40 feet <br /> 9 --------------------------------- <br /> 10 Sandy Clay(CL):Trace silt,pale brown(10 YR 6/3), <br /> ]1 <br /> 15-- 134-15 0.0/0.0 0.0 1650 medium to course sand,low plasticity,damp. 15 <br /> 6 Silty Clay(CL):Trace very fine to fine sand,pale brown <br /> 17 (10 YR 6/3)_med_um plasticity,firm,damp. - — <br /> 19 0.0/0.0 0.0 1655 •: 2( <br /> 20 B4-20 Silty Sand(SM):Brown(10 YR 4/3),moderately <br /> graded,very fine to medium grained,subangular to <br /> round,low density,damp. <br /> S.cantos(Oaks m..sin]oo <br /> TTRS Sacramento,CA 95833 <br /> 916-679-MO <br />