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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 Slot size, 0 02 Inch <br /> Screen diameter. 4 Inch Lengths 20 Feet Material types PVC <br /> Drilling Companys Wayne Dnllmo Co Drillers Richard/joy . <br /> Method Useds Hollow—stem auger_ California modified split—spoon Field Geologists Claudio Avila <br /> Signature of Registered Professionals <br /> Registration No.s 43139 States California <br /> MEAUM SAMPLE USCS WELL <br /> 0EPT11 NO. m PID. DESCRIPTION <br /> DESCRIPTION CONST. <br /> 0 <br /> Asphalt and grovel fill <br /> 2 <br /> 3 <br /> i <br /> 4 <br /> S-5 16 ppmv ML Sift Some Fine—grained sand grayish brown ary non—plastic stiff •; ' <br /> 6 <br /> h <br /> 8 <br /> 10 S-10 25 ppmv Clayey silt moderate yellowish brown very saff <br /> i <br /> 1 <br /> 14 — <br /> S_15 <br /> 4S-15 T 38ppmv Silt light brown hard 1 <br /> 16 <br /> ]8 <br /> . I <br /> MrAmLmn LOG OF BORING: B-9/MW-4 PLATE <br /> ARCO Service Station No. 2130 <br /> 7906 EI Dorado Street C26 <br /> PROJECT NO. 30003 o003G7A Stockton, California <br />