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Tota! depth of boring, 26-1/2 ft Diameter of borings 10 in Data drilleds 6/11/91 _ <br /> I <br /> Casing diameter, 4 in Lengths 15 ft Slot sizes 0 020 in <br /> Screen diameters 4 in Length, 10 ft Material typed PVC <br /> Drilling Company, Exceltech Drillers Gene and Corn <br /> Method Used= Hollow—stem Auger Field Geologtats R Alden <br /> Signature of Registered Professional, <br /> Registration No, 4313 S te, Calif <br /> SAMPLE 3 USCS WELL <br /> DEPTH N0. m P •I•D• CODE DESCRIPTION CGNST <br /> 0 Asphalt and gravel base <br /> I <br /> 2 <br /> 4 <br /> i� .. <br /> 6 5-5 24 ppmv ML Silt with some fine--grained sand, moderate brown, <br /> slightly damp, very stiff <br /> 8 <br /> 30 <br />� 10 <br /> 5-10 60 ppmv Silt, moderate yellowish brown, hard <br /> 12 <br /> 14 <br /> 16 5-15 32 ppmv 5A wEth some clay, pale yellowish brown slight plasticity <br /> I 18 <br /> 20 SM SAy sand fine—grained, medium light gray aamp dense <br /> S--20 34 30 <br /> ppmv ML Silt, moderate yellowish brown slightly dame hard <br /> 22 CL Clay with some slit pale yellowish brown camp medium <br /> I� plasticity, hard <br /> (section continues downward) <br /> LOG OF BORING: B-6/VW-1 PLATE <br /> ARCO Service Station No. 2076 <br /> Appllaa C?aosyatema, ,.�� 800 East Kettleman Lane A-12 <br /> PROJECT NO. 30008-4 Lodi, California <br />