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Total depth of boring, 20-1/2 ft Diameter Of boring. 8 in Data drilled, 8/15190 <br /> Casing diameter, N/A Lengthk N/A slot size) N/A <br /> Soreen dlametern N/A Lengths N/A Material type, NLA <br /> Drilling Companys Wayne Drilling Co Driller, Richard and Jay <br /> Method Usedo Hollow—stern Auger Fl d Oeologlst, G Altiman <br /> Signature of Registered Professional: <br /> Registration Nog 4,373 StAle, Calif <br /> DUTA SAMPLE P.LD• USCS DESCRIPTION WELL <br /> NO. CODE CONST. <br /> 0 Asphalt and gravel base <br /> 2 <br /> 4 <br /> 5-5 9 ppmv SM Silty sand, fine—grained, moderate brown, slightly damp, <br /> loose <br /> g <br /> 10 S-10 9 ppmv fine— to medium—grained .'. <br /> - 12 - <br /> 14 - <br /> S-15 <br /> 214S-15 11 ppmv SW Sand, fine— to coarse—grained, pale yellow brown, <br /> slightly damp, medium dense <br /> 16 •• <br /> 18 .• <br /> ML Silt with fine—grained sand, light olive gray, wet, slight <br /> 0 V plasticity, stiff <br /> 20 S-20 1& ppmv - some clay, slightly damp <br /> Total depth = 20-1/2 feet <br /> Ground water encountered at 20 feet <br /> Boring backfilled with bentonite/cement slurry <br />. LOG OF BORING. B-2 PLATE <br /> ARCO Service Station No. 6020 <br /> 1711 Yosemite Avenue A3 <br /> PROJECT NO. 30066-1 Manteca, California <br />