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I <br /> . Total death of boring, 49 1/2 ft Diameter of boring. 10 2` n Date drilled, 3/2i 92 <br /> Caging dlemeten 4 in Length 23 ft <br /> _ Slot al=e, 0 100 <br /> 1 Soreen diameter, 4 in Length, 25 ft Material type, PVC <br /> Drilling Company, Woodward Drilling Co DriOerr Erik Robert <br /> Method Used, Hollow—stem Auger aid Geaioglat, Richard Alden <br /> Signature of Regiatered Profeselonal, <br /> I Regmtra#ion Noa 4313 S tea Calif <br /> DEPTH SAMPLE P.LD. USCS DESCRIPTION w�- <br /> I NO. CODE <br /> CONT. <br /> n <br /> 0 3 ft as haltic concrete over 0 2 ft a re ate <br /> I 2 CL Clay, grayish black, slightly damp <br /> 4 <br /> S-6 49 ppmv ML hard moderate yellowish brown, slightly damp, <br />' � 6 f <br /> 8 <br /> 10 <br /> 48 14 <br /> 12ppmv Silt as at S ft , with some white calcite veins <br /> i �• <br /> 14 <br /> 16 S--16 74 ppmv Silt, as at 5 ft <br /> 18 I' <br /> i <br /> 20 - <br /> S-21 38 6 Silt as at 5 ft <br /> ppmv <br /> (section continues downwora) <br /> R <br /> LOG OF BORING: B-6/VW-1 PLATE <br /> +t��t WUnocal Service Station No. 6981 <br /> 4707 Pacific Avenue <br /> PROJECT NO. 38032 RLE NO Stockton, California <br />' 8032G4A <br />