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Drilling Log <br /> IT CORPORATION Monitoring Well Mtn--6 <br /> A Member of the IT Group <br />(� Project eleven, SS#20632 Owner 7-Eleven, Inc See Map <br /> �u■ - - - For Boring Location <br /> Location 4627 DaVrncr Dave, Stockton, CA Prol No 779062 <br /> Surface Elev Total Hole Depth 15 ft Diameter Bin COMMENTS <br /> Top of Casing Water Level Initial 12 tt Static <br /> Screen Dia 2 in Length 10 ft Type/Sze PVC 0 Oto In 14W-6 2 weU <br /> Casing Dia 2 1n Length 5 ft Type Sch 40 PVC <br /> Fill Material 2/16 Sand/Bent INP31 Cement Rig/Core Truck Mounted 6600 <br /> Drill Co Vwonex Method NSA - 8 <br /> Driller Steve Log By Kim Metez Date 04/08/02 Permit # <br /> Checked By Ed Srmonrs License No Calrforrva RG#4422 <br /> 0 ❑ T N <br /> _ 0 , Description <br /> CL— _ ao <br /> � o r U <br /> (U n CL a ° m ro N (Color, Texture, Structure) <br /> 0 m ° N Trace < 10% Little 10% to 20%, Some 20% to 35%, And 35% to 50% <br /> -2 � <br /> - Hand Auger to 5 feet <br /> 2 <br /> 4 <br /> 6 = Sandy silty CLAY variable ratios but mostly CLAY<50% brown <br /> a = CL mottled with light brown moist rlastic vei y slight chem cal odor <br /> g = <br /> 10 ML YY, ver <br /> Clayey, fine to fine SAND and SILT {15,40,45) bi own most <br /> — Y <br /> 12 = V Grades varying clayey SILT very fine SAND ratios <br /> ML <br /> 14 Clayey very fine SAND and coarse SILT (15 3550) reddish brown, <br /> wet soft <br /> 16 <br /> 18 <br /> 20 - <br /> 22 - <br /> - 24 - <br /> 26 <br /> 0222426 <br /> a07/24/2002 lithlog-Mar 00 Page I of 1 <br />