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i <br /> Total depth of boring: 65 ft Diameter of boring: 8 in Date drilled, 12/17/91 <br /> Casing diameter: 4 in Length, 64 ft Slot size: 10 an <br /> Screen diameter, 4 in Length: 35 ft Material type, PVC <br /> Drilling Company, Woodward Drilling Co Driller, Wayne/Eric/Robert <br /> Method Used, Hollow—stem Auger Field Geologist: Claudio <br /> Signature of Registered Professional, <br /> Registration No.: 43139 State, Calif <br /> DEPTH SAMPLE c P I.D. USCS DESCRIPTION WELL <br /> NO m CODE CONST. <br /> 0 <br /> 2 <br /> 4 <br /> 6 S-6 >50 PPmv ML Silt light brown dry no plasticity hard <br /> 8 <br /> 10 - <br /> S-11 49 0 i <br /> ppmv <br /> 12 <br /> 14 <br /> 16 PP <br /> S-16 61 Q v <br /> 18 <br /> 20 <br /> SW <br /> 0 Sand fine— coarse grained torained Dant brown <br /> $-21 33 ppmv slightly damp dense <br /> (section continues (jownward) <br /> • �t��� LOG OF BORING: B4/VW-2 PLATE <br /> ARCO Service Station No. 2130 <br /> 7905 North El Dorado Street C14 <br /> PROJECT NO. 30003-4 0003o4A Stockton, California <br />