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I <br /> Total depth of boringo 20-1/2 ft Dlameter of boringo S in Date drilled. 8/16/N <br /> Caatng diamelen N/A Length N/A _ Slot sizes N/A - <br /> I Soreen diameters N/A Length, N/A Material type, N/A <br /> DrI■Ing Company. Wa ne Drilling Co DrlEeh_Richard and Jay <br /> Method Usedi Hollow—stem Auger 0 Fie Geologlet, G Altiman <br /> Signature of Registered Professional <br /> Cd <br /> Registration Noa 4313 Stvlei Calif <br /> DEPTH SAMPLE P.I.D. USC$ DESCRIPTION WELLNO. CODE CONST. <br /> Q Asphalt and gravel base <br /> 2 <br /> 4 <br /> S-5 10 ppmv SM Sandy silt, fine— to medium—gromed, moderate brown, <br /> slightly damp, medium dense. <br /> 6 <br /> i .• <br /> 8 <br /> 10 S--10 13 ppmv pale yellow brown - :• <br /> .• <br /> 12 <br /> 14 <br /> S-15 15 ppmv SW Sand, medium— to coarse—grained, yellow brown, damp, <br /> medium dense <br /> 16 •• <br /> 18 '• <br /> V I ' <br /> 20 S-20 25 ppmv ML Silt. pale yellow brown, wet, very stiff <br /> Total depth = 20-1/2 feet <br /> Ground water encountered at 19 feet <br /> Boring backfilled with bentonite/cement slurry <br />• LOG OF BORiNGi B-4 PLATE <br /> ARCO Service Station No. 6020 <br /> App/)vd a:aasystvmp 1711 Yosemite Avenue A5 <br /> PROJECT NO. 30056-1 Manteca, California <br />