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Total depth of boring 50 1/2 ft. Diameter of borings 10.25 in. Data drW" 3/10/92 <br /> Casing dlameten, 4 in. Long% 24 ft. Slot size, 0.100 <br /> Soreen diameter, 4 in. Length" 25 ft. materW types PVC <br /> Drilling Companyx Westex Drilling Co. Driller, Tony, Ken <br /> Method Used. Hollow—stem Auger Field Goolpaisto Richard Alden <br /> Slanature of Registered Professional, fL <br /> Registration No.. 4313 tet Calif. <br /> SAMPLE 13C USCS WELL <br /> DEPTH NO. � P.I.D. CODS DESCRIPTION, <br /> 0.25 ft, of asphalt over 0.25 ft, ngarenate.0 <br /> 2 CL Clay, olive gray, slightly damp, medium plasticity. <br /> (some truces of fill material, pea gravel) <br /> 4 <br /> 6 S--6 41 N/A ML Silt, moderate yellowish brown, slightly damp, hard. <br /> 8 I <br /> 10 <br /> S-11 27 N/A Silt, as at 5 ft., very stiff. <br /> 12 } <br /> i <br /> 14 <br /> 16 S-160 40 N/A Slit, as at 5 ft., hard. <br /> 18 i <br /> I <br /> 2D <br /> S-21 45 N/A Slit, moderate yellowish brown, slightly damp, hard. <br /> (section continues downward) <br /> �rAkff` LOG. OF BORINGS B-13/VW-4 PLATE <br /> e ._�-- <br /> �--/V/*S Unocal Service Station No. 6981 <br /> 4707 Pacific Avenue <br /> PROJECT NO. 38032 so32G1iA Stockton, California <br />