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 Hour silly or clayey rine <br /> Poorly—graded gravels or gravel SILTS sands or clayey silts witty slight <br /> GRAVEL CA sand mixture little or no fines AND plasticity <br /> AND CLAYS Inorganic clays or law to medium <br /> GRAVELLY silty gravels grovel—sand—sill <br /> SOILS CU mixtures LL G50 CL pls lean `JQ <br /> asClgrY3 clays sandy <br /> COARSEClayey grovda gravel—sand—clay OL Organic 31ita and organic slit—clays <br /> GRAINED mixturos FINE of low plasticity <br /> SAILS Well—graded sands or gravelly GRAINEDSIN Ivor anic CIO <br /> Y3 <br /> little or no fines SOILS 9 y3 or low to rrmedwm <br /> ?dH plasticity gravelly cieya sandy <br /> AND Poorly—graded sands or gravelly SILTS clays lean Goya <br /> AND SP gond mixture ILttle or no fines AND Inorganic clays of high plasticity <br /> SANDY CLAYS [H fat cloys <br /> SOILS SIJ S,7ty sands sand—silt mixtures LL >50 <br /> ' ON Organic clays of medium to high <br /> plosGclty <br /> SC Clayey sands sand—silt mlxturca HIGHLSYOIOSRGANIC PT Pcat and Other highly organic soils <br /> ElSand pack <br /> Depth through which <br /> sampler Is driven <br /> PWIM Bentonite annular seal <br /> ORelatively undisturbed Sample � <br /> Neat cement annular seal <br /> Missed sample ��---- <br /> ❑p Ground water level Blank PVC <br /> obser_ved_ln_banng <br /> Machine—slotted PVC <br /> 5---10 Semple number <br /> PID Photolonlzatlon detector reading 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 AN <br /> 18 INCH PENETRAT10N <br /> DASHED LINES SEPARATING UNITS OF THE LOG <br /> REPRESENT APPROXIMATE BOUNDARIES ONLY <br /> ACTUAL BOUNDARIES MAY SE GRADUAL LOGS <br /> REPRESENT SUBSURFACE CONDITIONS IN THE <br /> BORING AT THE TIME OF DRILLING ONLY • <br /> ® Akff AM UNIFIED SOIL CLASSIFICATION SYSTEM PLATE <br /> ^�-- ------- -- AND SYMBOL KEY <br /> BP Oil Facility No, 11191 <br /> FILE No 1469 Eael Hammer Lane 3 <br /> PROJECT NO. 123013 3013A4A Stockton, California <br />