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earth Solutions LLC <br /> SOIL CLASSIFICATION CHART <br /> SYMBOLS TYPICAL <br /> MAJOR DIVISIONS GRAPH LETTER DESCRIPTIONS <br /> CLEAN ' + WELL-GRADED GRAVELS,GRAVEL- <br /> GRAVEL GRAVELS a GW SAND MIXTURES,LITTLE OR NO <br /> FINES <br /> AND <br /> GRAVELLY <br /> 060.„...-,...(3� POORLY-GRADED GRAVELS, <br /> (LITTLE OR NO FINES) /7., {} a (y,\ GP GRAVEL-SAND MIXTURES,LITTLE <br /> 11G.Q Ga Q OR NO FINES <br /> COARSE - ,ND iti i ti <br /> GRAINED GRAVELS WITH )0°3.'4.7 SILT'GRAVELS,GRAVEL-SAND- <br /> SOILS MORE THAN 50% FINES L' ` r - SILT MIXTURES <br /> OF COARSE n0' o <br /> FRACTION 4' Al"; <br /> RETAINED ON NO. Iqr r� <br /> 4 SIEVE (APPRECIABLE ,e. GC CLAYEY GRAVELS,GRAVEL-SAND- <br /> AMOUNT OF FINES) s' CLAY MIXTURES <br /> ¢�1`*�*°mac <br /> CLEAN BANDS ` Sw WELL-GRADED SANDS,GRAVELLY <br /> MORE THAN 5Q% SAND 1.....:-:-.:.:.:-.:,:., SANDS,LITTLE OR NO FINES <br /> OF MATERIAL IS AND <br /> �... ,.. <br /> LARGER THAN SANDY <br /> NO.200 SIEVE SOILS POORLY-GRADED SANDS, <br /> SIZE (LITTLE OR NO FINES) SP GRAVELLY SAND,LITTLE OR NO <br /> FINES <br /> SANDS WITH x SILTY SANDS,SAND-SILT <br /> MORE THAN 50% FINES `SM MIXTURES <br /> OF COARSE tip° :" <br /> FRACTION <br /> PASSING ON NO. 4I. <br /> 4 SIEVE 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 1 <br /> SILTS INORGANIC CLAYS OF LOW TO <br /> FINE AND LIQUID LIMIT `+L MEDIUM PLASTICITY,GRAVELLY <br /> GRAINED CLAYS LESS THAN 50 CLAYS,SANDY CLAYS,SILTY <br /> CLAYS,LEAN CLAYS <br /> SOILS <br /> ORGANIC SILTS AND ORGANIC <br /> r-__-----_—_--- - GL SILTY CLAYS OF LOW PLASTICITY <br /> MORE THAN 50% INORGANIC SILTS,MICACEOUS OR <br /> OF MATERIAL IS i MH DIATOMACEOUS FINE SAND OR <br /> SMALLER THAN SILTY SOILS <br /> NO.200 SIEVE 7 <br /> SIZE ; <br /> SLTAl DS LIQUID LIMIT irCH INORGANIC CLAYS OF HIGH <br /> CLAYS GREATER THAN 50 PLASTICITY <br /> OI I ORGANIC CLAYS OF MEDIUM TO <br /> HIGH PLASTICITY,ORGANIC SILTS <br /> f.: ILL +"t 1!'4 PEAT,HUMUS,SWAMP SOILS WITH <br /> HIGHLY ORGANIC SOILS PT HIGH ORGANIC CONTENTS <br /> d4 2. 71+r der <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 />