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I <br /> To1ai depth of borings 20-1/2 ft Diameter of boring. 8 in Date drll;od. 8/15/90 <br /> Casing diameter N/A _ Length. N/A glut gl:e, NLA <br /> I Screen damoter, N/A Length, N/A Material type. N/A _ <br /> Drilling Company: Wayne Drilling Co Driers Richard and Jay <br /> Method Used. Hollow—stern Auger Field Geologist, G Altiman <br /> Signature of Registered Professional. <br /> Registration No.. 4313 S te, Calif <br /> DEPTH SAMPLE P.I.D. USCS DESCRIPTION WELL <br /> NO. CODE CONST. <br /> I <br /> 0 Asphalt and gravel base - <br /> 2 <br /> 4 <br /> S--5 8 ppmv SM Silty sand, fine— to medium—grained, moderate brown, <br /> slightly damp, loose . . <br /> 6 <br /> 1 S-10 6 ppmv SW Sand, fine— to medium—groaned, moderate brown, slightly <br /> damp, loose •. <br /> i <br /> 12 <br /> 14 ' <br /> S-15 2D 0 - <br /> ppmv ML Silt, olive gray, slightly damp, very stiff, slight plasticity <br /> l 16 , . <br /> 18 • • <br /> 20 S-20 23ppmv brownish gray, wet <br /> Total depth = 20-1/2 feet <br /> Ground water encountered at 20 feet <br /> Boring backfilled with bentornte/cement slurry <br />�• LOG OF BORING, B-3 PLATE <br /> ARCO Service Station No. 6020 <br /> Appllvd 1711 Yosemite Avenue A4 <br /> PROJECT NO, 30055-1 Manteca, California <br /> I <br />