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Tolal depth of borin¢ 69 ft Diameter of boring,8 25 to Date drilled. 3/3/92 <br /> . Casing dlameten 2 in Lengt1h 49 rt Slot size, 0 010 <br /> Screen diameters 2 in Lengthy 20 ft Material type. PVC <br /> Drilling Company Woodward Drilling Co Drillers Erik, Robert <br /> MOthod Useds Hollow—stem Auger F d Geologists Richard Alden <br /> Signature of Registered Professional, <br /> Registration Nor 4313 S les C011f <br /> i3tpTN SAMPLE o P.I.D. Uses DESCRIPTION WELL <br /> NO. CODE CONST. <br /> 0 <br /> Q 25 ft of asphalt over 0 25 ft aggregate <br /> 2 CL Clay, grayish black, slightly damp <br /> 4 <br /> 6 S Silt, moderate yellowish brown, slightly damp, <br /> 5-6 19 ppmv ML very stiff <br /> • <br /> S <br /> - 10 - <br /> S-11 22 P1p3 Silt, as at 6 ft , with calcite veins and concretions <br /> 12 - <br /> - 14 - <br /> - <br /> 16 S-16 35 P1p0 Silt as at 6 ft hard <br /> 18 <br /> 2Q <br /> S--21 34 <br /> ppmv <br /> (section continues downward) <br /> AWtAk1� LOG OF BORING& B-7/MW-6 PLATE <br /> 1 � m i r+rr <br /> S—�/7AV"K Unocal Service Station No. 6981 <br /> 4707 Pacific Avenue <br /> FILE NO <br /> PROJECT NO, 38032 8032G5A Stockton, California <br />