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{- <br /> NoRTRMMRE <br /> PROJECT: STOCKTON HOUSING <br /> AND REDEVELOPMENT DEPARTMENT Log of Boring CSB-4 <br /> Stockton California PAGE 1 OF 2 <br /> Boring location: See Site Plan, Figure 2 Logged by: D.Widemann <br /> Date started: 1/15/04 Date finished: 1/15/04 Drilled By: Precision <br /> Drilling method: Direct Push <br /> Hammer weight/drop: 250 lbs. Hammer type: Hydraulic <br /> Sampler: Acetate(soil)&Bailers(GW) <br /> _ SAMPLES E <br /> MATERIAL DESCRIPTION <br /> w v Samplen o > > m O <br /> Number M m rj mC O F <br /> J Surface Conditions: <br /> cse4- Concrete Floor <br /> 1 SILT(ML) <br /> gray brown,medium stiff,dry,slightly plastic,no odor <br /> 2- <br /> 3— <br /> ML 3ML <br /> 4- <br /> 100 <br /> 5 5.0 <br /> L <br /> 6 <br /> black fibbery fabric " <br /> 7 CLAY(CL) <br /> olive brown,medium stiff,dry to moist, plastic,no odor . <br /> 8— <br /> CL <br /> 9 180 SILT(ML) <br /> 10 olive gray,medium Stiff,slightly plastic,no odor, 10%fines sand,90%fines(silt) <br /> 10.0 <br /> 11 <br /> 12- <br /> 13— 180 <br /> 14 yellow brown from 14 to 17 feet <br /> 15 dark gray discoloration from 14 to 20 feet <br /> moist at 16 feet <br /> 16 15.5 <br /> 16.0 <br /> 17 <br /> 18— very moist to wet,25%fines sand,75%fines silt from 18 to 20.5 feet <br /> 19 las 60 <br /> ML � <br /> 20 <br /> 21 <br /> 0 22 <br /> 23 <br /> a 2 <br /> 80 <br /> 4 <br /> 7 25 24.5 - - <br /> F <br /> 0 <br /> 26- <br /> 2 27 20 <br /> c� <br /> 28- <br /> 28.0 <br /> N <br /> a 29 <br /> H <br /> �. <br /> ul 30 <br /> Z TreadweIRRollo <br /> Project No.: Figure: <br /> W 2597.10 A-5a <br /> f <br />