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Total depth of boring, 61-1./2 FeetDlameter of boring,8-�/; Incn Date drilled, 8/19/1992 <br /> Casing diameter, 4 Inch Length, 60 Feet <br /> Slot Size, 0 10 Inch <br /> Screen diameter, 4 inch Length, 30 Feet Material types PVC <br /> Drilling Company, Wayne Drillinq Co Drillers Richara,Jo ~ <br /> Method Used, Hollow—stem auger California modified split—spoon Field Geologists Clauaio Avila <br /> Signature of Registered Professional, <br /> Registration No., 43139 State, Cz ifornro <br /> MEASUR SAMPLEWELL <br /> DEPTH NO. PTD' CODE <br /> DESCRIPTION <br /> CONST <br /> 0 <br /> Asphalt and gravel fill <br /> 2 <br /> 4 Ii I <br /> S-5 8 PPMMl_ Silt, trace sand fine—grained mate tierlowisn brown cry <br /> non—plastic medium stiff <br /> 6 <br /> 8 <br /> 1 I •� <br /> 10 S-10 18 Ppmv Clayey silt light olive gray low mast city stiff <br /> i <br /> rz <br /> I I <br /> 14 <br /> S-15 50 7 I . <br /> PPmv <br /> 16 ! <br /> I <br /> 18 <br /> I <br /> � FMUMMMW MWA/A_ B-15/VW-10 LOG OF BORING: B- PLATE <br /> rVArEU ARCO Service Station No. 2130 <br /> 7906 EI Dorado Street C42 <br /> PROJECT N0. 30003 00103G13A Stockton, California <br />