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� <br />z <br />Q <br />� J <br />i� _ <br />W � <br />� � <br />Q <br />O <br />LETfER TYPICAL DESCRIPTION <br />MAJOR DIVISIONS ���,o,,, <br />L GRAVELS GR VELS <br />�, A4ore than 50% <5% fines <br />� of coarse <br />� � fraction is larger GRAVELS <br />'�, .� than No. 4 sieve with fines <br />0 <br />E N SANDS CLEHN <br />�° More lhan 50°/a SANDS <br />� Z of coarse `5°io fines <br />� fraction is <br />o smaller than No. W hNDes <br />� 4 sieve <br />> <br />� � m <br />w d N <br />Z `° � <br />E � <br />� N <br />Q ,� � o <br />� � � c <br />W � L � <br />z �, � <br />� _ <br />� � E <br />� <br />�_ <br />O } <br />J J <br />� U <br />SILTS AND CLAYS <br />Liquid limits <br />less than 50% <br />SILTS AND CI.AYS <br />Liquid limits greater <br />than 50°/a <br />HIGHLY ORGANIC SOILS <br />GW <br />GP <br />GM <br />GC <br />SW <br />SP <br />S� <br />SC <br />ML <br />CL <br />OL <br />MH <br />CH <br />OH <br />PT <br />or no fines. <br />sands, grav=lly sands, <br />o� <br />res, <br />or no <br />o� <br />Silty sands, sand-silt mixtures, non-plastic fines. <br />Clayey sands, sand-clay mixtures, Nlastic fines. <br />Organic silts and organic clays of low plasticity. <br />Inorganic sills, elastic. <br />Inorganic clays of high plastir.ity, (fat clays). <br />Organic clays of high plasticity. <br />Peat. <br />DEFINITION OF TERMS AND SYMBOLS <br />Density <br />Very loose <br />Loose <br />Medium dense <br />Dense <br />Very dense <br />Very safl <br />Soft <br />Medium stiff <br />Stif( <br />Very stifl <br />fiard <br />SPT (Blows/Foot) <br />0-4 <br />4-1Q <br />10-30 <br />30-50 <br />>50 <br />SPT (EilowslFooq <br />0-2 <br />2-4 <br />4-8 <br />8-15 <br />15-30 <br />>30 <br />Tlre Rilep Grnup, Inc. <br />i ;; �: i�o n m'i.i. ���nv �:r <br />i+��rnei.i_. �� ,�simaro�: enni i <br />=2" Outside diameter split spoon <br />sampler <br />I2.4" Inside diameter ring sampler or <br />Shelby tube <br />1 Water level (date) <br />Tr <br />Pp <br />DD <br />LL <br />p! <br />N <br />Torvane reading, tsf <br />Penetrometer reading, lsf <br />Dry density, pcf <br />Liquid limit, percent <br />Plasticity index <br />Standard penetration, blows per foot <br />Cannumitl� Health Center� of Snohnmish Counq, <br />Uni�cd Soi! ClassiJicalion St:stem I Fi,�u•c A-1 <br />Sitc Address: 1019 d 10?7 • I 12�h Strcct SU', L'vcrcit, N'ashinFton <br />