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Tolal depth of boringp 20-1/2 ft Diameter of borings 8 in Date drilled. 8/16/90 <br />• Casing diameter: N/A Lengths N/A Slot Shze1 N/A <br /> Screen dlarnateri N/A Lengthi, N/A Material types N/A <br /> DrllIng Companys Wayne Drilling Co Ddlfeh Richard and Jay _ <br /> Method Useds Hollow-stern Auger Flelid Geoloulats G Altiman <br /> Signature of Registered Professional =8k <br /> Registration Na. 4.313 Sto, Calif <br /> DEPTH SAMPLE a P.LD. USCS DESCRIPTION WELL <br /> NO. CODE CONST. <br /> 0 Asphalt and gravel base <br /> 2 <br /> 4 <br /> S--5 5 ppmv SM Sandy silt, fine— to medium—grained sand, moderate , <br /> brown, slightly damp, loose <br /> 6 <br /> S <br /> 10 S-10 12 ppmv SW Sand, fine— to coarse—grained, pale yellow brown, <br /> slightly damp, medium dense <br /> - 12 - <br /> 14 <br /> S-15 20 0 .• <br /> ppmv SM Silt with some fine— to medium—grained sand, pale <br /> yellow brown, damp, medium dense <br /> 16 <br /> 1$ ' <br /> 20 5-20 15 0 p,}L Silt with some clay, pale yellow brown, wet, stiff, <br /> ppmv slight plasticity <br /> Total depth = 20-1/2 feet <br /> Ground water encountered at 19 feet <br /> Boring backfilled with bentonite/cement slurry <br /> LOO OF BORING, B-5 PLATE <br /> ARCO Service Station No. 6020 <br /> .apprrad cQQsy��am� 1711 Yosemite Avenue Af <br /> PROJECT NO. 30056-1 Manteca, California <br />