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• <br /> Total depth of borings 45 ft. In meter of borings 8 in, Date drlllod, 10/22/91 <br /> Casing dlameten 4 in. Lengihs 42 ft. Slot sizes •05 <br /> Screen dlameten 4 in. Lengths 20 ft. Material types PVC <br /> Drilling Companys Westex Drillers Chris & Tim <br /> Method Useds Hollow—stern Au er A Field Geologists Claudio <br /> Signature of Registered Professionals <br /> Registration Nox 4313 5 es Calif. <br /> DEPTH SAMPLE P.I.D. USCI <br /> DESCRIPTION WELL <br /> NO. CODE CONST. <br />• <br /> 0 Asphalt. <br /> 2 ' <br />• <br /> 4 <br /> S-5 44 ML Silt some fine—grained sand, light brown, slightly damp, <br /> ppmv hard. •` <br /> 6 <br /> 8 <br /> 10 S-10 48 PPv Clay and trace fine—grained sand, slight plasticity. <br /> 14 - <br /> S-15 <br /> 4 S-15 35 0 <br />• ppmv <br /> 16 . <br /> 18 <br />• 20 S-20 33 ppmv Silt some fine—grained sand, light reddish brown. <br /> (section continues downward) <br />• <br /> �� <br /> AW—�t" LOG OF BORING: B-14/VW-3 PLATE <br /> �--t��� ARCO Service Station No. 548 2� <br /> 1612 Hammer Lane <br /> PROJECT NO. 30004-4 ppp4D13A Stockton, California <br />• <br />