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Project Number BORING NUMBER: <br /> CH2MHILL 131420.A1.09 MW-DIS-14D. Sheet 2 of 2 <br /> SOIL BORING LOG <br /> Project:Del Monte-Disco Site,Stockton,CA Location:Sidewalk near northwest corner of Filbert St.and East Market St.,Stockton,CA <br /> Ground Surface Elevation: Drilling Contractor: Spectrum Exploration <br /> Drilling Method & Equipment: CME 85 HSA 8"OD 4" ID Logger: Lucius Taylor <br /> Water Levels: Start: 11-05-01 Finish: 11-06-01 <br /> Sample Soil Description Comments <br /> Standard Soil name, USCS group symbol, color, Depth of casing, drilling rate, <br /> ^ Penetration <br /> o Test moisture content, relative density or drilling fluid loss,tests and <br /> °i _ w Results consistency, soil structure, mineralogy instrumentation <br /> a ��j <br /> 3 (D 7 "C N 6"-6"-6- <br /> W <br /> -6-6-N 5 Z (nt) <br /> 140.0 140-143 no recovery <br /> 143-145 SLAY,(CL),strong brown 7.5 YR 416,dry.sand <br /> present at 145'in shoe of core barrel <br /> 145.0 145-150 1 LAY,(CL),very dark grayish brown 10 YR 3/2, Sand present in shoes <br /> dry,extremely hard <br /> 150.0 Driller thinks if this was sand the <br /> 151-155 CLAY,(CL),7.5 YR 416,dry,very hard hole would have heaved <br /> i <br /> 155.0 155-157.5 no recovery <br /> 157.5-158.5 CLAYEY SILT,(ML), <15%fine sands <br /> present,moist to wet <br /> 158.5-161.5 SLAY,(CL),very dark grayish brown. 10 YR <br /> 160.0 312,dry,very hard <br /> 161.5-164 CLAYEY_SILT_,(ML), <br /> 165.0 164-165 CLAY,(CL), <br /> TD ® 165' <br /> j Boring converted to 2-inch monitoring well <br /> I <br /> I� <br /> ti <br /> [Disco Mw-DIS-14D(2)] Printed:03101/20D2 <br />