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SOIL CLASSIFICATION CHART <br />ADDITIONAL MATERIAL SYMBOLS <br />SYMBOLS <br />TYPICAL <br />MAJOR DIVISIONS <br />GRAPH <br />7LETTER <br />DESCRIPTIONS <br />DLEAN GRAVELS <br />yj <br />c�° <br />GI <br />ILLTREADEDERESS <br />NDMlxruRES es,GRAME <br />GRAVEL <br />AND <br />GRAMEav <br />`^E°FF°F'" <br />GPPotRLYGREADEDGRESSELE <br />SMILE <br />GRAGEL SAND MIXTURES <br />GRAMELswnH <br />GM <br />SITTLEGUESSELE GRAVEL MIND <br />COARSE <br />GWJNED <br />HNEE <br />FILL <br />s01 <br />F—ION RE" <br />N NoasEl <br />GC <br />MEYGESSELE RAVEL sory <br />H.RFm <br />YMIxmRES <br />SW <br />EoSANDS GRAMETL <br />CLEAN SANDS <br />NosSPILGREAD <br />SA <br />MORE FINNET. <br />ANDRETAINEIDON <br />AND <br />Fm¢FxxF nx <br />uoxaasi <br />RE SirvGq GRAVELLY <br />SANDv <br />SP <br />NGLETTREADED <br />SMILE <br />sARGI <br />SM <br />SILFFEAANDS,MND SILTMIREFURES <br />MORE THAN 0. <br />OFSPAREE <br />FINES <br />FRAN <br />NT,eITON <br />Be <br />No STAY <br />HFRF <br />EYES <br />MIL <br />CLAMEY FINES WTHsuGHT <br />PLAETNTY <br />NORSIILTSAND <br />DL <br />MPLjpSr <br />FINE <br />CLAYS <br />YS,SLttGA <br />°OE <br />EFSTHHAusa <br />a.,r"G.aA <br />GWJNED <br />OL <br />ob <br />NOR THANST. <br />OR <br />lusw <br />SINGMH <br />TOMocmREGANUP <br />I� SbLE <br />No. xaas <br />CH <br />OrHIGH <br />SILTSND <br />uewix°N"sa°FAiEP <br />Tmm <br />ov�rOH <br />GANICULTAGES <br />owmr RANDSILTSCF <br />IT srlcmv <br />HIGH LV ORGANIC SOILS <br />PT <br />PEAT HUMUS SAMPED HE Sim <br />HONCREANISDONTEN <br />NOTE. Multiple symbols are used to Indicate borderline or duel soil rhassificetions <br />Sam pler Sym bol Descriptions <br />® 2.4-inch I.D. split barrel <br />® Standard Penetration Test (SET) <br />■ Shelbytube <br />® Piston <br />F] Direct -Push <br />mBulk or grab <br />® Continuous Coring <br />Blowcount is recorded for driven samplers as the number of <br />Slaves required to advance sampler 12 inches (or distance noted) <br />See exploration log for hammer weight and drop. <br />"i indicates sampler pushed using the weight of the drill rig. <br />"WOH" indicates sampler pushed using the weight of the <br />hammer. <br />SYMBOLS <br />TYPICAL <br />DESCRIPTIONS <br />DRAPH <br />LETTER <br />AC <br />Asphalt Concrete <br />CC <br />Cement Concrete <br />CR <br />Crushed Rock/ <br />Quarry Spalls <br />SOD <br />Sod/Forest Duff <br />TS <br />Topsoil <br />Groundwater Contact <br />Measured groundwater level in a 1ploration, <br />well, or piezometer <br />Measured free product in well or piezometer <br />Graphic Log Contact <br />Distinct contact between soil strata <br />/ Approximate contact between soil strata <br />Material Description Contact <br />Contact between geologic units <br />__ Contact between soil of the same geologic <br />unit <br />Laboratory/ Field Tests <br />%F <br />Percent fines <br />%G <br />Percent gravel <br />AL <br />Atterberg limits <br />CA <br />Chemical analysis <br />CP <br />Laboratory compaction test <br />CS <br />Consolidation test <br />DO <br />Only density <br />DS <br />Direct shear <br />HA <br />Hydrometer analysis <br />MC <br />Moisture content <br />MD <br />Moisture content and dry density <br />Mods <br />Mods hardness scale <br />OC <br />Organic content <br />PM <br />Permeability or hydraulic conductivity <br />PI <br />Plasticity index <br />PL <br />Point load test <br />PP <br />Pocket penetrometer <br />SA <br />Sieve analysis <br />TX <br />Triaxial compression <br />UC <br />Unconfined compression <br />VS <br />Vane shear <br />Sheen Classification <br />NS <br />No Visible Sheen <br />SS <br />Slight Sheen <br />MS <br />Moderate Sheen <br />HS <br />Heavy Sheen <br />NOTE: The reader must refer to the tllscusslon In the reporttext and the logs of explorations for a proper understanding of subsurface cprompts. <br />Descriptions on the logs apply only atMe specific e¢ploation locations and at the time the explorations were made; they are notwarranted to be <br />representatGa of subsurface conditions atptter locations or Ymes. <br />Key to Exploration Logs <br />GMENGINEERS <br />Rev 12/2021 <br />Figure A-1 <br />