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04/14/04 07:24 PAX 4253476588 CBBA P,PERETT <br />Q 032/032 <br />UNIFIED SOIL CLASSIFICATION SYSTEM <br />MAJOR DIVISIONS SYMBOLS- DESCRIPTIONS <br />GRAPH LETTBR <br />WELL -GRADED GRAVELS OR GRAVEL -SAND <br />GW MIXTURES, LITTLE OR NO FINES <br />CLEAN p ;C <br />GRAVELS POORLY GRADFO GRAVELS OR GRAVEL -SAND <br />GRAVEL AND �� GP MIXTURES, IITIIFORNOFINES <br />COARSE <br />GRAINED <br />SOILS <br />FINE GRAINED <br />SOILS <br />GRAVELLY <br />••••� <br />, 1 <br />, , <br />GM <br />SILTY GRAVELS OR GRAVEL- SAND -SILT <br />MIXTURES <br />_____- <br />SOILS <br />GRAVELS <br />WITH FINES <br />GC <br />CLAYEY GRAVELS OR GRAVEL-SANO•CLAY <br />MIXTURFS <br />SW <br />WILL -GRADED SANDS 014 GRAVELLY SANDS, <br />litT1E OR NO IWES <br />CLEAN <br />SANDS <br />SAND AND <br />SP <br />POORLY -GRADED SANDS OR GRAVELLY SANDS. <br />LITTLE OR NO FINES <br />SANDY SOILS <br />SANDS WITH <br />SM <br />SILTY SANDS OR SAND -SILT MIXTURES <br />FINES <br />CLAYFY SANDS OR SAND -CLAY MIXTURES <br />SC <br />ML <br />INORGANIC SILTS AND VERY FINE SANDS.ROCK <br />LOUR,SILTY OR CLAYEY FINE SANDSOR <br />CLAYEY SILTS WITH SLIGHT PLASTICITY <br />SILTS AND CLAYS <br />CL <br />INORGANIC CLAYS OF LOW TO MEDIUM <br />PI ASTICITY. GRAVELLY CLAYS, SANDY CLAYS. <br />Liquid limit less Ihnn 50 <br />-- <br />SILTY CLAYS, LEAN CLAYS <br />_ _ <br />- - — <br />ORGANIC SILTS AND ORGANIC SILTY CLAYS OF <br />LOW PI ASTICITY <br />OL <br />MH <br />INORGANIC SILTS, MICACEOUS OR <br />DIATOMACCOUS FINE SAND OR SILTY SOILS <br />SILTS AND CLAYS <br />CH <br />INOnGANIC CLAYS OF HIGH -PLASTICITY <br />I iquid limit grenler Ihnn 50 <br />/�//�� <br />OH <br />- ------ <br />ORGANIC CLAYS OF MEDIUM TO HIGH <br />PI ASTICITY, ORGANIC SILTS <br />HIGHLY ORCANIC SOILS <br />PT ILSAT OR 011IL11 HIGHLY ORGANIC SOILS <br />TOPSOIL / FILL <br />TOPSOIL OR FILL, MAY CONTAIN ABUNDANT <br />ORGANIC MATERIAL <br />SYMBOL <br />LEGEND <br />® SI'T a.mpk interval <br />-LOG <br />1 g Tom.ne reading ITSFI <br />WELL SYMBOLS <br />. 5helhj tube tampte interval <br />V; Vane m.ding ITSFI <br />.eking Monumen! <br />—Bentente Seal <br />Nlodlfied Celilomi..emplo inlay.l <br />MC Moi.tura content <br />mCaning Sample <br />LL Iiquid limit <br />--Silie. Sand <br />C.rc <br />PI Nanicity index <br />SlugeA Pipe <br />\Voter keel <br />GEOTECIINICAL AND KEY CHART <br />ENVIRONMENTAL SERVICES <br />