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SOIL BORING LOG Boring No.MW-21 Sheet:2 of 3 <br /> Client Foamw Pmbxd@s GDA end Wan No 0835 Date _May 31,2007 <br /> Address 2705 Country Club 81vd Drilling Co. Resonant Sonic.Inc rip type:Sonic <br /> Stockton,CA Driller Jesse <br /> Project No. 2007-0835-01 Method Sonic Hole Diameter:9 in. <br /> Logged By: Allan Dudding Sampler <br /> Well Pack sand: 26 ft. to 46 ft. Well Construction_Casing Material: Schedule 40 PVC Screen Interval:30 ft to 45 ft <br /> bent.: 23 ft.to 26 ft. Casing Diameter.2 In. Screen Slot Size:0.020-in. <br /> grout: 0 ft.to 23 ft. Depth to GW: Ofirat encountered =14 feet bgs tatic <br /> so <br /> 10 Blow sample <br /> well Depth Laholoplo <br /> T No. Count Time Rww PID <br /> M Scale Column Descri ons of Materials and Conditions pPM <br /> S MW-21 WA 0820 100°�6 <br /> 20'-21' E C 21 0 <br /> 22 __ __ <br /> Fat Clay trace sand,CH,dark yellowish brown(10YR 414),fine to medium - <br /> --- -- --- <br /> 23 H rakled send,huh asticit r�firm�moist,no odors no stainirt _ – — <br /> S MW-21 WA 0823 100% 0 <br /> 23'-24' 24 <br /> 25 <br /> -- - - f 26 <br /> U <br /> S MW-21 WA 0828 100% : <br /> 26'-27' 27 <br /> -- — 28 <br /> - — _` :; :•: -- -- ---------------------- --_...__—_— <br /> CL Silty Clay,CL,ollve brown(2.5Y 4/4),medium plasticity,hard,dry,no odor, <br /> _ 29 no stafnin�_—. <br /> S MW-21 WA 0831- 100%__ <br /> ' – _"••.. — _ _ — _0 <br /> 29'-30' <br /> —_ 30 'color grades jfrom R!K brownP T 4141 is.dark greenish flm�tGLEY1— — <br /> _ 4/5G)at 30'. —' <br /> 31 <br /> S MW-21 WA 0943 1D0% <br /> 31'-32' — 32 <br /> 33 <br /> 34 <br /> — — c 35 ------------—–— --––-------------------------- -- <br /> 38 SP Poo sorted Sand,SP,dark greenish gra GLEY1 4/5G),fine to medium <br /> grained,loose,wet,no odor,no staining. <br /> 37 <br /> S MW-21 WA 0945 100% 0_ <br /> 3T-38' = 38 <br /> 39 <br /> 40 <br /> Recovery Comments: <br /> Sample <br /> ENVIROfVMENTAL,ING; . <br /> Boring log MW-21 053107 <br />