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UNIFiED SOIL CLASSIFICATION SYSTEM <br /> MAJOR DIVISIONS LTR DCSCAIPTION MAJOR DIVISIONS LTR DESCRIPTION <br /> GW Welt-graded gravely or gravel sand IsL Inorganic sills and very flan <br /> -1atures little or no fines sands rock flour. Silty or <br /> GRAVEL SILTS Clayey fine Sands or clayey GP +'oorTy-graded grovels or gravel y y silts <br /> AND sand e„eture little or no fines AND "'th slight plasticity <br /> GRAVELLY Gn SIIty gravels gravel-sand-clay CLAYS CL Inorganic clays of td. to wed <br /> luln <br /> +natures plastic,ty gravelly cla Yf sandy <br /> SOILS LLe50 clays %,Ily clays lean clays <br /> COARSE GC Clayey gravels gra rel-sand-clan FINE OL Drgan,c silts and organic srlt- <br /> el,aurrs clays of Ip Plasticity <br /> GRAINED GRAINED <br /> SOILS SW Well-graded Sands or gravelly SOILS N. Inorganic silts I•rcaceo„s or <br /> sands Utile or no fines SILTS d$atomaceous free sandy or SrIty <br /> SANDsod% e1a%tIc silts <br /> SP Poorly-graded sands or gravelty API --- <br /> AN(I sands I a I I I r or no (Ines CN inorgJn,t clays of high plastica, <br /> CLAYS fat clay% <br /> SANDY Sn S-Ity Sands sand-%aIta„><ture% LL>SO OP ."rgan,c clays of atdlum to high <br /> SOILS I I plasticity <br /> SC H ager sands Sand-clay maturesNICHLY 11 Peat and other highly organic <br /> DRGANIC SOILS I %o,IS <br /> Standard penetration split spoon sample Blank casing <br /> ' Modified California Sampler <br /> IShelby tube sample = Screened casing <br /> Water level observed to boring <br /> * No recovery Cement grout <br /> NFWE No free water encountered <br /> NOSC No odor, scent, or fluid cut Bentonite <br /> NOTE. Blow count represents the number of blows <br /> of a 140-pound harmer falling 30 inches <br /> per blow required to drive a sampler <br /> through <br /> through the last 12 inches of an 18-inch Sand pack <br /> penetration. <br /> NOTE: The line separating strata on the logs <br /> represent approximate boundaries only. <br /> The actual transition may be gradual . <br /> No warranty is provided as to the continuity <br /> Of soil strata between borings . Logs <br /> represent the soil section observed at <br /> the boring location on the date of drilling <br /> only. <br /> I H KLEINFELDER & ASSOCIATES kP4 <br /> FOOD & LiOUOR #76 PLATE <br /> GtOT{CHNICAL CoMSL'lfAhlT$ + MATfR1AtS TfSTiMC MANTECA, CALIFORNIA <br /> PROJECT NO. 24-2053-1 BORING LOG LEGEND <br />