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UNIFIED SOIL CLASSIFICATION SYSTEM <br /> MAJOR DIVISIONS GRAPFIIC L=x TYPICAL DESCRIPTIONS <br /> SYMBOL SYMBOL <br /> '� i+S+S•S• WI!U,GRADEDGRAVELS.LRAVELSAND <br /> r.r.r.�.f G W <br /> CLEAN GRAVELS •ti•4•ti•ti• MIhlURP3,LITTLE DR HO PINES <br /> GRAVELAND GRAVELLY SOILS (L1T'I1,90ANOPINES) *} GP POORLY-GRADED GRAVELS,GRAVELSAND <br /> COARSE MORE THAN 3DWOF MDCTURES,LITTLE OR NO PINES <br /> COARSE PRACITON <br /> GRAINED RP.TAMEDONGM SILTY OP VELS.GRAVELSAND-SILT <br /> SOILS NO�SIEVE GRAVELSµ7TH PLNrS <br /> RFS <br /> - <br /> (APPRECIABLE AMOUNT <br /> OPFINP,SI GC CLAYEY GRAVELS,GRAVEI.SANDL'LAY <br /> MD(TURES <br /> W ELL-ORADED SANDS,CRA V EL.LY SANDS. <br /> w MORE THAN 5M CLEAN SAND S W LITTLE OR NO FINES <br /> OPMAITRIALIS SANDAND <br /> (IJTITPORHOFINFS) zx:;';r +•` <br /> LAIIGER'I'F{AN SANDY BOLLS [:fi'<$S t '^ SP POORLY GRADPA SANDS,OPLAV ELLY SANDS, <br /> LITTLE OR NO PINES <br /> NO.2w SIEVESQE MORE THAN S(1KOF <br /> COARSE FRACTION <br /> PASSING SAHRSµ7TH FiNFS S M SILTY SANDS.SAND-SILT MDCTURFS <br /> NOA SIEVE <br /> ..... (APPRECIABLE AMOUNT <br /> OF FINES) SC CLAYEY SANDS,SAXa4MAYMDMRES <br /> INORGANIC SILTS AND VERY PINE SANDS, <br /> M L ROCK FLOUR,SILTY OR CTAYEY FINE SANDS <br /> FINE <br /> OR CLAYRX SILTS SUGHTPIASTICI''Y <br /> SILTS AND CLAYS INORGANIC CLAYS OF LOW TO MEDIUM <br /> -- GRAIN>rA LIQUID LIMIT Liss THAN so PLASTICITY.GRAVELLY CLAYS,SANDY <br /> ANDY <br /> sons CI <br /> A. OL ORGANIC SILTS AND OF.OANICSB.T V CLAYS <br /> OF LOW PLASTICITY <br /> INORGANICSILTS,MICACEOUS OF.D!ATCk <br /> �THAN ' M H MACEOUS FINE SAND OR SILTY SOILS <br /> OF MATERIAL i5 SILTS AND CLAYS <br /> SMALLER T KM CH INORGANIC CLAYS OF HIGH PLASTICITY, <br /> NO.200SIEVE Sf2F LIQUID LIMIT GREATER THAN SO FAT O AYS <br /> { ORGANIC CLAYS OF MEDIUM TO HIGH <br /> ON <br /> PLASTICITY,ORGANIC SILTS <br /> WGHLYORGANIC SOILS PT PEAT.HUMUS,SWAMP SOILS WIN faGH . <br /> ORGANIC CONTENTS <br /> NUM' DUAL SYMBOLS ARE USED TO INDICATE BORDERLBVE SOIL CLASSIFICATIONS <br /> _ KEY TO LOG OF BORINGS <br /> P, <br /> L <br /> SAMPLF_S A BLQWC QIINTs LABORAJORXIEMr <br /> i! <br /> ,( <br /> HAMMER.BLOWS PER FOOT OF PENEr CATION AL ATT LR BERG LIMITS TEST <br /> p 8' <br /> r <br /> 30 QNDICA7FSUQ•TDISTURPFDSAMPLE DSCII DIRECT SHEAR TEST fConsolidrltd,Undntnedl <br /> WDICATES DISTURBED SAMPLE CBR CAI_D ORNLt BEARING RATIO TEST R <br /> f m STANDARD PETIE7RATION TEST SAMPLE COMP COMPACTION THST <br /> NR WDICATES NO RECOVERY <br /> S7` <br /> # CON CONFINCOMPRF553gN(ConxtlfdxUonTat) R <br /> e,��/ <br /> SAMPLES DRIVEN WITH A 140-POUND HAMMER -200 PERCENT PASS WG NO.2W S[EVE <br /> I DROPPING 30 INCHES (Test Rewlu in P`nothe ) <br /> ARTESIAN ENVIRONMENTAL CONSULTANT5 <br /> 100 SHORT M HIGHWAY,02958 <br /> a MILL VALLEY,CA 94941(41 S)381.6456 <br />