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Earth Solutions NWLLC <br /> SOIL CLASSIFICATION CHART <br /> MAJOR DIVISIONS SYMBOLS TYPICAL <br /> GRAPH LETTER DESCRIPTIONS <br /> CLEAN :i•�We WELL-GRADED GRAVELS,GRAVEL- <br /> GRAVEL GRAVELS • • b-1GW SAND MIXTURES,LITTLE OR NO <br /> AND +4 15.•5 FINES <br /> GRAVELLY ',,U.'.' �' • <br /> SOILS o C)° o Cj° POORLY-GRADED GRAVELS, <br /> (LITTLE OR NO FINES) )n OOo 0�' GP GRAVEL-SAND MIXTURES,LITTLE <br /> )C O°G 0 OR NO FINES <br /> COARSE °+-5° '`S <br /> GRAINED GRAVELS WITH nV` C SILTY GRAVELS,GRAVEL-SAND- <br /> SOILS MORE THAN 50% FINES O• D GM SILT MIXTURES <br /> OF COARSE � I o 0 <br /> FRACTION % ► <br /> RETAINED ON NO. kAi. <br /> 4 SIEVE (APPRECIABLE •A1���•e• G`• CLAYEY GRAVELS,GRAVEL-SAND- <br /> AMOUNT OF FINES) 4 ` O� CLAY MIXTURES <br /> CLEAN SANDS • • • : 7 SW <br /> MORE THAN 50% SAND WELL-GRADED SANDS,GRAVELLY <br /> SANDS,LITTLE OR NO FINES <br /> OF MATERIAL IS AND <br /> LARGER THAN SANDY �� <br /> NO.200 SIEVE SOILSPOORLY-GRADED SANDS, <br /> SIZE (LITTLE OR NO FINES) SP GRAVELLY SAND,LITTLE CR NO <br /> FINES <br /> SANDS WITH .;. : SM SILTY SANDS,SAND-SILT <br /> MORE THAN 50% FINES :;:,;;.`: •;.',.':_;' MIXTURES <br /> OF COARSE <br /> FRACTION <br /> PASSING ON NO. '' <br /> 4 SIEVE (APPRECIABLE % f 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 /> FINELIQUID LIMIT MEDIUM PLASTICITY,GRAVELLY <br /> GRAINED AND LESS THAN 50 CL CLAYS,SANDY CLAYS,SILTY <br /> CLAYS CLAYS,LEAN CLAYS <br /> SOILS <br /> ORGANIC SILTS AND ORGANIC <br /> -� OL SILTY CLAYS OF LOW PLASTICITY <br /> JA,. .. <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 <br /> SILTS <br /> AND LIQUID LIMIT CII INORGANIC CLAYS OF HIGH <br /> CLAYS GREATER THAN 50 PLASTICITY <br /> OH ORGANIC CLAYS OF MEDIUM TO <br /> HIGH PLASTICITY,ORGANIC SILTS <br /> ,C7, i f,1,,,,,./.. <br /> /,�.-J 1, <br /> HIGHLY ORGANIC SOILS ,, Li Li ,L PT PEAT,HUMUS,SWAMP SOILS WITH <br /> „ Le ,, 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 />