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1 Project: California Army National Guard Log of Soil Boring: B-10 <br /> Location: Stockton CA Project Number: 18600251.02041 <br /> Dates Drilled: 03/07/08 Borehole Name: B-10 <br /> 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: 38.5 feet <br /> Comments: Between tank excavation pad and west most hole pad Sampling Method: Split Spoon <br /> it C A <br /> it <br /> �� d a � m <br /> U o qoq a <br /> w e m� N yN a g <br /> rJ' 4 g 9 �ya� V G <br /> p x a .2 a m x 'E9.., LnUOLOGY DESCRIPTION SOIL BORING DETAILS <br /> 0 ? ,?i i Asphalt 0 <br /> Sand with Gravel(SSV):Dark yellowish brown(10 YR <br /> 4/4),well graded,very fine to coarse grained,some <br /> "k'- `i garvel,suabangular to round,very low density,moist. <br /> • Sandy Clayey Silt(CL-ML):Yellowish brown(10 YR <br /> 5/4),very fine to fine send,medium plasticity,sot <br /> calcite veins,damp <br /> 5 3 B10-5 0.0/0.0 0.0 1625 5 <br /> 6 <br /> 9 <br /> 0 <br /> 10 <br /> 10 <br /> 10 BIO-10 0.0/0.0 0.0 1630 1C <br /> 7.5 Cu.Ft.of Neat Cement <br /> Grout containing less than <br /> 5%bentonitepowder <br /> 0-385 feet <br /> 7 Sandy Silt(ML):Trace clay,dark yellowish brown(10 <br /> 7 YR 4/4),very fine to fine sand,low plasticity,so$damp <br /> 15 7BIO-15 0.0/0.0 0.0 1635 1! <br /> As above except minor clay,olive brawn(2.5 Y 4/3),that,non- <br /> 10 plastic,some oxidation <br /> 20 - ________________________________- <br /> 21 0.0/0.0 0.0 1640 :•:•:•::::•: 21 <br /> PO B 10-20 Sand(SP):Brown(10 YR 4/3),moderately graded,very <br /> fine to medium grained,low density,lots of oxidation, <br /> ' damp <br /> 2970GatewayOaks 33 Ste 300 <br /> Sac479-20 0 95833 <br /> 916-679-2000 <br />