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r <br /> UNIFIEI-) SOIL CLASSIFICATION SYSTEM <br /> MAJOR O1VISlONS I LTR DESCRIFMCN MAJOR DIVISIONS LTR DESCRIPTION <br /> Well—graded gravaie or gravel and Inorganic elite and very find Banda, <br /> sand mixtures, tittle or no fines. ML rock flour, Bitty or clayey fine <br /> Pccrly—graded grovels or grovel SILTS sonde or clayey silts with alight <br /> GRAVEL GP aand mixtu.e, Iittls or no '.ince. ,qNp laailcit. <br /> AND <br /> ® GRAVELLY Silty grovels, gravel—sand—silt CLAYS rnorganle clays or low to medium <br /> Sods Gm mlxtureB. LL <50 CL plasticity, gravelly clays, sandy <br /> clays, loon clays, <br /> COARSE Clay gravels, graval—sand—clay CL Organic silts and orgontc silt—clays <br /> GRAINED FINE of low ploaticlty. <br /> SOILS SW Wall—grcded aands or gravelty GSQiNLS ED lnorgonle clays or low fa medium <br /> sands, little or no £nes. MH plasticity, graveify cleya, sandy <br /> SAND Poorly—graded sands or grovelfy S1L75 clays, lean clays <br /> ovall <br /> AND sand m(xEure, little <br /> SAVOY or no fines. AND Inorganic clays of high plasticity, <br /> 1® CLAYS CH fat clays. <br /> o01LS SAI Silty Bands, sand—eiit mixtures. LL >50 <br /> OH Organic clays of medium to high <br /> plasticity. <br /> SC Cray sonde. acid—slit mixturae. HIGHLY <br /> tl1URGANIC <br /> oT Pact and other highly organic soils. <br /> Y. <br /> ® Sand pack <br /> z Depth through which <br /> 1 sampler is driven. <br /> Bentonite annular seal <br /> Relatively undisturbed sample <br /> t Neat cement annular seal <br /> Missed sample <br /> Blank PVC 3 <br /> z:. Ground water level <br /> A observed in boring <br /> r Machine-slotted PVC <br /> �.1 '5-10Sample number <br /> »� PID Photoionlzatlon detector reading <br /> PVC Centralizer <br /> i <br /> BLOW/Fr REPRESENTS THE NUMBER OF BLOWS OF A <br /> 140-POUND HAMMER FALLING 30 INCHES TO DRNE <br /> THE SAMPLER THROUGH THE LAST 12 INCHES OF AN <br /> Y® 18 INCH PENETRATION. <br /> DASHED LININ SEPARATING UNITS OF 'THE LOG <br /> REPRESENT APPROX MATE BOUNDARIES ONLY, <br /> ACTUAL BOUNDARIES.MAY BE GRADUAL LOGS <br /> ' REPRESENT SUBSURFACE_CONDMONS-IN THE — _ T <br /> -- --BORING AT-THE TIME OF DRILLING ONLY, <br /> UR FM SOL CLAJSEFlCATION OYSTEY PLATE <br /> ARD SYMBOL KEY <br /> = d ARCA Service Station Na.Zia <br /> 800 East Reftman Lass p <br /> I`7 PROJECT NO. 30008-2 Lam, CaAfemto <br />