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Total depth of boring, 75 Feet Diameter of boring, 10 Inch Date drilled, 8 13 1992 <br /> Casing diameter, 4 Inch Length, 75 Feet Siot size, 0 02 Inch <br /> Screen diameters 4 inch Lengths 20 Feet Material types PVC <br /> Drilling Company, Warne Dnllina Co —� Driller, Richard Ja <br /> Method Used, Hollow-stem auger California modified split-spoon Field Geologist, Claudio Avila <br /> Signature of Registered Professionals <br /> Registration No.s 43139 State, California <br /> r <br /> MEASURED SAMPLE am PID. DES <br /> DES RIP ION <br /> WELL <br /> DEPTH NO. m CODE C T <br /> CONST. <br /> 0 <br /> Asphalt and gravel fill <br /> 2 <br /> 4 'S-5 16 ppmv tulL Silt Same Fine-grained sand grayish brown Xy non-plastic stiff <br /> 6 <br /> $ I. <br /> 0 Clayey silt moderate <br /> 10 S-10 25 ppmv yey yellowish brawn Dery s,ff <br /> 12 <br /> i . <br /> 14 - 0 r , <br /> 5-15 38 ppmv Silt light brown hard <br /> 15 <br /> 1$ � <br /> pa, �"jk/� LOG OF BORING: B-9/MW-4 PLATE <br /> —�►tV17 ARCO Service Station No. 2130 <br /> 7906 El Dorado Street C26 <br /> oao3c7A <br /> PROJECT NO. 30003 00 "D Stockton, California <br />