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4702«'Glenhaven Drive CAO,Snohomish County,Washiubfo,n Materials Testing& Consulting,Tnc. <br /> Jtt(�� 31. 2017 16B030 <br /> LJnified Soil Classification System Chart <br /> Samnler Svmbol Ihscrinrion <br /> Ma.jorDi��isions Graph USCS TypicalDescnpliun <br /> � Standard PeneUatxm Test(STT) <br /> Course U '. � GW Wcl�grndcd Ctta��cls,('navel-S:u�d h1� <br /> GrainedloiL� Grnvcl o .O'° tives <br /> Clzan(iravels ' � Shulby 7'ubr. <br /> �1ore 7Uan ,«r' •' (1F PourlV-(+�aded GrxvcLs,Gravc F�Sa�ul <br /> '• �Ii�twes <br /> 50°o oY� i ,�' � (Ureb or f?u6; <br /> Coarse Prao- <br /> tion Retainal n o � (i1V1 Silty Gravcls.Gravc�Sand-Silt Mixtwes <br /> Mure'Iliun SU% On Nu.4 4 � O� B CalJ�arni�(:;.0"O.D.) <br /> Retaincd On Stvc Gravels VddhFines � o� <br /> No.2(Hl Sieec . GC L�S�v(iruvels.Gravel-Sand-Clu}Dti�- <br /> .Q=Q .4 lu�'es � . M�xlifi;d('alilornc�(Z.5'�0.1)J <br /> • ��7�! ll'cl�era�cd Sands.Gru�n;lly Sands <br /> sand • . Strati�rxnhic Cuntact <br /> Clean Sands <br /> �fore"I'han SP I'ooily-Graded Sands, Crta�'elly Sands Di�tu��t Sti�ati�raphi;Contaut <br /> 50"�0 of Betwccn Su�l Sh�a[:� <br /> Cuarse Faio- \ Gradual c`hxnge 13�hvten Soil <br /> tion Psssing Sj� Silt}San�s,Sand-Sill Mi.�twe. Stratn <br /> No.4Sie�'e ������ AppmxSna[cbcalnnof <br /> Satuls Witlt Fines atraLngtapltic cliangc <br /> SC Cla}-eySands,ClayMi�ures <br /> Fim Gntined j�jj, [norganw Silts,rock Fk�ur,Clave}-Silts' � Goundweterobscnedattime of <br /> Su17s V�i[h L,�t�'Plasticit�' ezylorat'r>n <br /> Siks 8c G7n s I., uid I.imit Less CL Inor�nic C lays of Iow To Mcelium � Mcasun;d gruunchva�;r]e�el m <br /> 3 Kl cxploratam,u�elL crr piezometer <br /> 11�an 50 Plasticity <br /> More'Ihan 50°-'o Pc,zche�iw'afer uUsen�cda[titur <br /> PassinbT'lu; �� OL nreanic Silts and Org:u�ic SillvCla}s oY ♦ ofespb�ation <br /> No.Z00 Sicve LowPlxstwiry <br /> jyj�I Inorgxnic:Silts of\Ioderate V4isticity <br /> Mo difie rs <br /> Silts&C7nys Lpuid l,imil Cj-j Inorganic CL�ys of Hi},�h Pksli�ily ���CfijltioII % <br /> Cn�eatcr"17uxn 50 <br /> Trace >5 <br /> �I Oj-j Organis Cl�ys And tiitts ofMcdiumlo SoRl� $-12 <br /> ♦ FIigh Platlicil�• <br /> I <br /> YT Pc�C Humus,SuiL�vith Predominantiv W1th >l� <br /> Iliglil}�Otganic SaiLs Orgaoic Content <br /> Soil Consistenc Grain Size <br /> Gl'xnular&�ils Fltr+-gl':ened Suils DESCRIP'ITON SIE�1: GRAIN SIZ,H APYRO�IrIA1'E SI7.E <br /> SI"LI�. <br /> Density SPT Consistency SPT <br /> Blowcotutt Bloweount 13ouMers %l2" -12' Iarger tlwn a baskethall <br /> Very Loose 0-4 Very Soft 0-2 Cobbles 3-12' o-12' Fist to basketball <br /> I.00se 1-]0 Sott 2-4 Coane 3/4-3" 3/4-3" Thumb to fist <br /> Grav;I <br /> Medium 10-30 Firm 4-8 Finr �4-3;4" O.19-0.75" Peatuthumb <br /> Dense <br /> Coarsc #10-tk4 0.079-0.19' Rock salf to pex <br /> Dense 30-�0 StiFf 8-15 <br /> Ver}Ih:nse >50 Very Stiff 1�-30 Sand Medn�m #40-it 10 0.017-U.079" Sugar to rock salf <br /> Fiard �30 Fine #200-iF40 ODU29-0.017" Flow'A>Sugar <br /> Fincs Passing �p.0029'- Flour and smaller <br /> k200 <br /> Materials Testing & Consulting, Inc. Exploration Log Key FIGURE <br /> 2118 Black Lake Blvd. 4702 W Glenhaven Dr <br /> Olyinpia, WA 98512 �verett, WA 98203 4 <br /> is <br />