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Earth Solutions NWLLC <br /> SOIL CLASSIFICATION CHART <br /> MAJOR DIVISIONS SYMBOLS TYPICAL <br /> GRAPH LETTER DESCRIPTIONS <br /> CLEAN .6. i' WELL-GRADED GRAVELS,GRAVEL- <br /> GRAVEL GRAVELS II._ilk. !, GW FINES ND MIXTURES,LITTLE OR NO <br /> AND illeAt•E <br /> GRAVELLY QOto`s op� POORLY-GRADED GRAVELS, <br /> SOILS (LITTLE OR NO FINES) , c Q, 0C GP GRAVEL-SAND MIXTURES,LITTLE <br /> DO 0 00 a OR NO FINES <br /> COARSE ,0' '!ti— <br /> GRAINED <br /> MORETIIAN50% GAFNES ITH o© '° GM SILTY GRAVELS,GRAVEL-SAND- <br /> SILT MIXTURES <br /> OF COARSE 30 tb 01 Q <br /> FRACTION O � <br /> RETAINED ON NO. fr �P.. <br /> 4 SIEVE (APPRECIABLE . `*� GC CLAYEY GRAVELS,GRAVEL-SAND- <br /> AMOUNT OF FINES) *;e ♦ / CLAY MIXTURES <br /> syr/aP <br /> CLEAN SANDS +• .;' •; SW WELL-GRADED SANDS,GRAVELLY <br /> MORE THAN 50% SAND SANDS,LITTLE OR NO FINES <br /> OF MATERIAL IS AND .•,... <br /> LARGER THAN SANDY POORLY-GRADED SANDS, <br /> SI NO. SIEVE SOILS GRAVELLY SAND,LITTLE OR NO <br /> SIZE (LITTLE OR NO FINES) SP <br /> FINES <br /> SANDS WITH ▪'''•:: .:'• : Slia SILTY SANDS,SAND-SILT <br /> FINES :.:z:"'J• .- <br /> MORETHAN 50% MIXTURES <br /> OF COARSE '<*•6:E: : :' <br /> FRACTION <br /> PASSING ON NO. <br /> 4 SIEVE (APPRECIABLE fj SC CLAYEY SANDS,SAND-CLAY <br /> AMOUNT OF FINES) / MIXTURES <br /> INORGANIC SILTS AND VERY FINE <br /> ML SANDS,ROCK FLOUR,SILTY OR <br /> CLAYEY FINE SANDS OR CLAYEY <br /> SILTS WITH SLIGHT PLASTICITY <br /> SILTS ,� INORGANIC CLAYS OF LOW TO <br /> FINE AND LIQUID LIMIT %f/ CL MEDIUM PLASTICITY,GRAVELLY <br /> GRAINED CLAYS LESS THAN 50 CLAYS,LEAN CLAYS CLAYS,SILTY <br /> SOILS CLAYS,SANDY <br /> —, OL ORGANIC SILTS AND ORGANIC <br /> SILTY CLAYS OF LOW PLASTICITY <br /> MORE THAN 50% INORGANIC SILTS,MICACEOUS OR <br /> OF MATERIAL IS MH DIATOMACEOUS FINE SAND OR <br /> SMALLER THAN SILTY SOILS <br /> NO.200 SIEVE <br /> SIZE SILTS <br /> AND LIQUID LIMIT CH INORG CNICCLAYS OF HIGH <br /> CLAYS GREATER THAN 50 <br /> pi <br /> G • <br /> �wwa ORGANIC CLAYS OF MEDIUM TO <br /> w� OH HIGH PLASTICITY,ORGANIC SILTS <br /> HIGHLY ORGANIC SOILS `2 0, N"' pT PEAT,HUMUS,SWAMP SOILS WITH <br /> _, _, , L HIGH ORGANIC CONTENTS <br /> DUAL SYMBOLS are used to indicate borderline soil classifications; <br /> The discussion in the text of this report is necessary for a proper understanding of the nature <br /> of the material presented in the attached logs. <br />