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Total depth of borings 65 ft Diameter of boring: S in Date drilled. 11 26/97 <br /> Caging diameters 4 in Length 65 ft Slot sizes 10 <br /> Screen diameters 4 in Length: 40 ft Material types PVC <br /> Drilling Campanys JCON Exploration Drtllere Jim, Craig <br /> Method Useds Hollow--stern Auger Field Geologists Claudio <br /> Signature of Registered Professionals <br /> Registration Nos 43139 State, Calif <br /> DEPTH SAMPLE o P.I.D. USGS DESCRIPTION WELLNO. 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 damp, hard (orange staining) <br />. s , <br /> s <br /> 14 S-10 35 ppmv (yellow orange veins vertically and horizontally) <br /> 12 - <br /> - 14 - <br /> S-15 29 pprnv (black nodules) <br /> 16 <br /> 18 <br /> 2Q S-20 42 ppmv Light brown—white, (caliche matrix, well consolidated) <br /> (section continues downward) <br />. _ "AjWALIAM LOG OF BORING: B-18/VW-9 PLATE , <br /> ARCO Service Station No. 6100 <br /> 25775 South Patterson Pass 39 <br /> RIX NO <br /> PROJECT NO. 30041-2 0041 B1 5A Tracy, California <br />