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Total depth of bortng. 20-1/2 ft, Diameter of baring. 8 in. Date drilloch 8/_ 90 <br /> Casino dlametar. N/A Lenoth, N/A Slot Giza. N/A <br /> C' Screen ,dlarneterr N A Langth. N/A _ Material type.N/A <br /> Drilling Company. Wayne Drilling Co. Drplor, Richard and Jay <br /> Method Ueedr Hollow--stem Auger I Field Geoloallell, C. Altimari <br /> Signature of Registered Professlonsh ` <br /> Raglstratfon No,. 4313 5 e. Calif. <br /> DEPTH SAMPLEa PJ.B. USCS DESCRIPTION WELL <br /> N0. m CODE CONST. <br /> D Asphalt and gravel base. <br /> r. 2 <br /> 4 <br /> S-5 5 P 0 Sm Sandy silt, fine- to medium-grained sand, moderate <br /> brown, slightly damp. loose, <br /> 6•'1 6 <br /> 8 <br /> 10 5-10 12 ppmv SW Sand, fine- to coarse-grained, pale yellow brown, <br /> slightly damp, medium dense. <br /> Aa. , <br /> 12- <br /> - 14- <br /> S-15 <br /> S•-15 20 0 <br /> �1 ppmv SM S:lt with some Fine- to medium-grained sand, pale <br /> yellow brown, damp, medium dense. <br /> lfi <br /> 18 <br /> 0 ML Silt with some clay, pale yellow brown, wet, stiff, <br /> 20 5-24 15 Ppmv slight plasticity. <br /> Total depth = 20-1/2 feet. <br /> Ground water encountered at 19 feet. <br /> Baring backfilled with bentonite/cement slurry. <br /> --- -- - ----- �._ -- -- --- -- ---- --�dG �F-BO�INGr-B�5- ----- -PLATE--- -- - - --- <br /> - ----- ARCO Service Station No. 6020 <br /> apPrred caosYarar.,a 1711 Yosemite Avenue Pr9 <br /> er <br /> PROJECT NO. 30055-1 Manteca, California <br />