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f 1 � <br /> SOIL CLASSIFICATION CHART ADDITIONAL MATERIAL SYMBOLS <br /> MAJOR DIVISIONS SYMBOLS TYPICAL SYMBOLS TYPICAL <br /> GRAPH LETTER DESCRIPTIONS GRAPH .LEITER DESCRIPTIONS <br /> WE-GPADEDGRVEIS.GRAVEL- _� _.. <br /> CLEAN 'Q' ' GW &AND MIXTURES y+ CC Cement Concrete <br /> GRAVEL GRAVELS <br /> ANO <br /> GRAVELLY ariTtd oK No i D GD D POORLY-CRADEDGRAVELS, <br /> SOILS D D GP GRAVEL•SMO MIXTURES AC Asphalt Concrete <br /> COARSE GRAVELS WFTH a GM SILTY GRAVELS,GRAVEL.SAND <br /> GRAINEO MORE TK"50% SILT Crushed Rodd <br /> SOILS �T� FINES CR Quarry Spalls <br /> RETAINED ON NO SLY,,UAMOW CLAYGRAVEL],GRAVEL-SAND- <br /> 499EVE OrTr'u7 GC CLAYMEYXrURES ' <br /> {. TS Topsoil/ <br /> Forest Duff/Sod <br /> SW wEUGRADED SAMOS,GRAVELLY 1 <br /> CLEAN SANDS w Ds <br /> MORE T" <br /> sax SANp <br /> RETA;Nm DN NO <br /> AND MILE oft ND F""I _ <br /> 200 s�EVE SANDY SP YY oSANDS <br /> SOILSGRAVELLY SAND Measured groundwater level In <br /> exploration,well,or piezometer <br /> w OE�sax SANDS WIT SM muTuprs D 310 Groundwater observed at dme of <br /> FINES <br /> PRANG NO exploration <br /> PASSING NO.4 — <br /> SIEVE SC CLAYEY31 S.SANO-CLAY <br /> 0<�5, MOTUREs = Perched water observed at time of <br /> INORGANIC SILTS,ROCK ROUrr, T exploration <br /> ML �TTTS"""'suarT r Measured free product in well or <br /> WORGANIC CLAYS OF LOW TO piezometer <br /> SILTS QUIU LnaT CL MEDwM CL <br /> PLASTICITY.GRAVELLY <br /> AY&SANDY CLAYS,SILTY AYS. <br /> FWESS n50 E <br /> ANO t1 <br /> LESS LEAN CLAYS <br /> GRAINEO CLAYS <br /> SOILS ±ij OL gLGcuSIL SANDO;WIsnOF LOW cnr <br /> Stratigraphlc Contact <br /> MORETRAN I I MH CAATOMACEC3-U'S SK.TYYaG�asOi Distinct contact between soli strata or <br /> PASSING O 290 ( geologic units <br /> sieve <br /> SILTS INORGANIC CLAYS OFWq / Gradual change between soli strata or <br /> ANO aREATER T1VN50 i CH PL ISTCTY 9e0iogicunits <br /> CLAYS <br /> IC CLAY9 AND SILTS OF Approximate location of soil strata <br /> OH MLORGDIUMANTDNl'iPLASTIC Y r��— change within a geologic soil unit <br /> HIGHLY ORGANIC SOILS PT PEAT,NEWS,3W AMP 5041-5 wtrH <br /> MGH ORGANIC CONTENTS <br /> NOTE: Multiple symbols are used to ind'.cate borderline or dual soil classifications <br /> Laboratory/Field Tests <br /> Sampler Symbol Descriptions %F Percentfines <br /> AL Atterberg limits <br /> . 2.4-nch I.D.split barrel CA Chemical analysis <br /> CP Laboratory compaction test <br /> Standard Penetration Test(SPT) CS Consolidation test <br /> DS Direct shear <br /> ® Shelby tube HA Hydrometer analysis <br /> MC Moisture content <br /> ® Piston MD Moisture content and dry density <br /> OC Organic content <br /> Direct-Push PM Permeability or hydraulic conductivity <br /> PP Pocket penetrometer <br /> ® <br /> Bulk or cab SA Sieve analysis <br /> 9 TX Triaxial compression <br /> UC Unconfined compression <br /> VS Vane shear <br /> Biowcount Is recorded for driven samplers as the number <br /> of blows required to advance sampler 12 Inches(or Sheen Classification <br /> distance noted). See exploration tog for hammer weight <br /> and drop. NS No Visible Sheen <br /> SS Slight Sheen <br /> A"P"Indicates sampler pushed using the weight of the MS Moderate Sheen <br /> drill rig. HS Heavy Sheen <br /> NT Not Tested <br /> NOTE: The reader must refer to the discussion in the report text and the logs of explorations for a proper understanding of subsurface conditions. <br /> Descriptions on the logs apply only et the specific exploration locations and at the time the explorations were made;they are not warranted to be <br /> representative of subsurface conditions at other locations or times. <br /> KEY TO EXPLORATION LOGS <br /> GMENGINEER FIGURE A-1 <br />