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i <br /> Total depth Of boring, 50 1/2 ft Diameter of boring. 10 25 in Date drliled, 3/9/92 <br /> . Casing diameter, 4 in Lengths 24 ft Slot size. 0 050 <br /> i Soreen diameters 4 in Length, 25 ft Materials types PVC <br /> Drilling Company. westex Drilling Co Drillers Chns, Tony <br /> Method Used. Hollow-stem Auger FlAld Geologists Richard Alden <br /> Signature of Registered Professionals <br /> Registration Noa 4313 S t <br /> tes Calif <br /> DEPTH SAMPLE P.I.D. USCS DESCRIPTION WELL <br /> NO. CODE CONST. <br /> i <br /> 0 <br /> 0,25 it, of-aslaholt. -over 0.25 It, aggregate. <br /> 2 CL Clay, olive gray, slightly damp , <br /> 4 <br /> 6 S-6 75 N/A ML Silt, moderate yellowish brown• slightly damp, hard ' <br /> 8 <br /> 1Q <br /> S-11 55 N/A Silt, as at 5 ft . with calcite- 12 - <br /> - <br /> 2 - <br /> 14 <br /> 15 S-16 62 N/A Silt, as at 5 ft <br /> 18 <br /> 20 - <br /> S-21 6a N/A Silt pale yellowish brown, slightly damp hard <br /> (section continues downward) <br /> i LOO OF BORING. B-12/VW-3 PLATE <br /> t�—t�i!'■� Unocal Service Station No, 6981 <br /> 4707 Pacific Avenue <br /> PROJECT NO. 38032 8032G10A Stockton,, California <br />