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Total depth of boring, 65 ft Diameter of boring: S in Date drilled, 11/26/91 <br /> Casing diameters 4 in Length, 65 ft Slot size, 10 <br /> Screen diameters 4 in Lengths 40 ft Material types PVC <br /> Drilling Companyo JCON Exploration Driller, Jim, Craiq <br /> Method Use& Hollow—stem Auger Field Geologist, Gaudio <br /> Signature of Registered Professionals <br /> Registration No,a 43139 States Calif <br /> DEPTH SAMPLE o PLD, USGS DESCRIPTION WELL <br /> NO. m CODE CONST. <br /> 0 Asphalt <br /> 2 <br /> 4 <br /> 0 Silt some clay, trace fine gravel light olive green <br /> S-5 38 Ppmv CL slightly clamp, hard (orange staining) <br /> a <br /> 10 S-10 35 PPrnv (yellow orange veins verticafly and horizontally) <br /> 12 - <br /> - 14 - <br /> S-15 <br /> 2 14S-15 29 Ppmv (black nodules) <br /> 16 , <br /> 18 <br /> 20 S-20 42 Ppmv Light brown—white, (calsche matrix, well consohdated) + <br /> (section continues downward) <br /> i AwA►&,/� LOG OF BORING: B-18/VW-$ PLATE <br /> „""'�►'� <br /> S—AW/7!MM 6100 ARCO Service Station No. 3� <br /> 25775 South Patterson Pass <br /> PROJECT NO. 30041-2 0RLS NO Tracy, California <br /> 041B15A , <br />