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Earth Solutions NWLLC <br /> SOIL CLASSIFICATION CHART <br /> MAJOR DIVISIONS SYMBOLS TYPICAL <br /> GRAPH LETTER DESCRIPTIONS <br /> ♦"�� , , <br /> CLEAN 'a. 4. WELL-GRADED GRAVELS,GRAVEL- <br /> GRAVEL GRAVELS k'' egg ►41 Gw SAND MIXTURES,LITTLE OR NO <br /> AND ►e i•10. FINES <br /> GRAVELLY iilk.3.�o..b. POORLY-GRADED GRAVELS, <br /> SOILS (LITTLE OR NO FINES) )Q 0 pZ G p GRAVEL-SAND MIXTURES,UTTLE <br /> y00e00 OR NO FINES <br /> COARSE %31' ° t <br /> GRAINED GRAVELS WITH ;3.iir V C GM SILTY GRAVELS,GRAVEL-SAND- <br /> SOILS MORE THAN 50% FINES 0 • 0 SILT MIXTURES <br /> OF COARSE S O'III o 4 0 <br /> RETAINED ON NO. i�.,*4,,' <br /> 4 SIEVE (APPRECIABLE '�.4'0©1�.e CLAYEY GRAVELS,GRAVEL-SAND- <br /> AMOUNT OF FINES) '�''.'I/'.�` GC' CLAY MIXTURES <br /> ••• •••••"' WELL-GRADED SANDS,GRAVELLY <br /> CLEAN SANDS "•' �'�'�'�'�"= <br /> MORE THAN 50% SAND SW SANDS,LITTLE OR NO FINES <br /> OF MATERIAL IS AND .." • , <br /> LARGER THAN SANDY POORLY-GRADED SANDS, <br /> NO.200 SIEVE SOILS <br /> SIZE (UTTLE OR NO FINES) SP GRAVELLY SAND,LITTLE OR NO <br /> FINES <br /> SANDS WITH %. I SM SILTY SANDS,SAND-SILT <br /> MORE THAN 50% FINES '�` MIXTURES <br /> OF COARSE N'"' <br /> FRACTION 1 <br /> PASSING ON NO. <br /> 4 SIEVE (APPRECIABLE /[/fSC CLAYEY SANDS,SAND-CLAY <br /> AMOUNT OF FINES) MIXTURES <br /> INORGANIC SILTS AND VERY FINE <br /> mi. SANDS,ROCK FLOUR,SILTY OR <br /> CLAYEY FINE SANDS OR CLAYEY <br /> SILTS WITH SLIGHT PLASTICITY , <br /> • <br /> SILTSr,,, <br /> INORGANIC CLAYS OF LOW TO <br /> FINE AND LIQUID LIMIT CL MEDIUM PLASTICITY,GRAVELLY <br /> GRAINED CLAYS LESS THAN 50 / CLAYS,LEAN CLAYCLAYS,SILTY <br /> SOILS <br /> ...... — ORGANIC SILTS AND ORGANIC <br /> (-_ OL 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 INORGANIC CLAYS OF HIGH <br /> CLAYS GREATER THAN 50 � PLASTICITY <br /> w.rt <br /> OH ORGANIC CLAYS OF MEDIUM TO <br /> HIGH PLASTICITY,ORGANIC SILTS <br /> �� I►,, �ti,, .��, PEAT,HUMUS,SWAMP SOILS WITH <br /> HIGHLY ORGANIC SOILS PT 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 />