Laserfiche WebLink
UNIFIED SOIL CLASSIFICATION SYSTEM <br /> MAJOR DIVISIONS LTR DESCRIPTION MAJOR DIVISIONS LTR DESCRIPTION <br /> GW well—graded gravels or gravel and Inorganic silts and very fine sands <br /> sand mixtures little or no fines ML rock flour silty or clayey fine <br /> Poorly—graded grovels or gravel SILTS sands or clayey silts with slight <br /> GRAVEL GP sand mixture little or no fines AND Plasticity <br /> AND <br /> GRAVELLY SCLAYS Inorganic clays or low to medium <br /> ilty gravels gravel—sand—silt <br /> SOILS GMLL C50 CL plasticity gravelly clays sandy <br /> mixtures clays lean clays <br /> COARSE GG Clayey gravels grave4—sand--clay Orgarnc silts and organic silt—clays <br /> GRAINED mixtures FINE OL of law plasticity <br /> SOILS SW Well—graded sands or gravelly GRAINED Inorganic clays or low to medium <br /> sands little or no fines SOILS MH plasticity gravelly clays sandy <br /> SAND Poorly—graded sands or gravelly SILTS clays lean clays <br /> AND SP sand mixture little of no fines AND Inorganic cloys of high plasticity <br /> SANDY CLAYS CH fat clays <br /> • SOILS Sri Silty sands sand—silt mixtures LL >50 OH Organic clays of medium to high <br /> plosticity <br /> SC Clayey sands sand—silt mixtures HIGHLY OGANIGSOIL' PT peat and o her highly organic soils <br /> Sand pack <br /> � I Depth through which <br /> I sampler Is driven ■ <br /> Bentonite annular seal <br /> Relatively undisturbed sample <br />�. ❑ Neat cement annular seal <br /> Missed sample , <br /> �r <br /> F-1 Blank PVC <br /> Ground water level <br />• — observed In boring <br /> Machine—slotted PVC <br /> 5-10 Sample number <br /> I <br /> PID Photolonlzatlon detector reading i PVC Centralizer <br /> BLOW/FT REPRESENTS THE NUMBER OF BLOWS OF A <br /> 140—POUND HAMMER FALLING 30 INCHES TO DRIVE <br /> THE SAMPLER THROUGH THE LAST 12 INCHES OF „N <br /> 18 INCH PENETRATION <br /> DASHED LINES SEPARATING UNITS OF THE LOG <br /> REPRESENT APPROXIMATE BOUNDARIES ONLY <br /> ACTUAL BOUNDARIES MAY BE GRADUAL LOGS <br /> REPRESENT SUBSURFACE CONDITIONS 1N THE <br /> BORING AT THE TIME OF DRILLING ONLY <br /> UNIFIED SOIL CLASSIFICATION SYSTEM PLATE <br /> • �—r�-� AND SYMBOL KEY <br /> ..� �. .. <br /> i-- 111111"'VlEM A Tellchert & Son 3 <br /> FILE NO 29099 South MaCarthur <br /> PROJECT NO. 123009 3009A9A Tracy, California <br />