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UNIFIED SOIL CLASSIFICATION SYSTEM <br /> 1 <br /> MAJOR DIVISION LTR DESCRIPTION MAJOR DIVISION LTR DESCRIPTION <br /> Well—graded gravels or Inorganic silts and very <br /> CW gravel—sand mixtures fine sands rock flour, <br /> little or no fines ML silty or clayey fine sands <br /> ' or clayey silts with slight <br /> GRAVELPoorly—graded gravels or SILTS plasticity <br /> AND GP grave!—sand mixtures AND <br /> little or no fines Inorganic clays of low to <br /> GRAVELLY CLAYS CL medium plasticity, gravelly <br /> SOILS GM Silty grovels gravel—sand— LL<50 clays sandy clays silty <br /> silt mixtures clays, lean clays <br /> GC Clayey gravel gravel—sandOL Organic silts and organic <br /> COARSE— —claymixtures FINE— <br /> Silt—clays of low plasticity <br /> GRAINED Well—graded sand or GRAINED <br /> g Inor an,c silts, micaceous <br /> SOILS SW gravelly sands little or SOILS g <br /> no fines M H or diatomaceous fine <br /> sandy or silty soils <br /> SAND Poorly—graded sands or SILTS elastic silts <br /> SP ravel! sands little or AND Inorganic clays of high <br /> SANDY no fines CLAYS CH plasticity fat clays <br /> ' SOILS LL>50 <br /> Silty sands sand—silt Organic clays of medium <br /> SM mixtures OH to high plasticity organic <br /> silts <br /> SC Clayey sands sand—clay HIGHLY ORGANIC SOILS PT Peat and other highly <br /> ' mixtures organic soils <br /> Depth through which F-1 Sand pack <br /> sampler is driven <br /> ■ Stratigraphic contact <br /> Sample interval Bentonite <br /> submitted for <br /> laboratory analysis ® Neat cement <br /> v <br /> No sample recovered <br /> ® Coved native soil Gradational contac— <br /> t <br /> T Static water level <br /> observed In well/boring ❑ <br /> V Initial water level Blank PVC <br /> observed in boring <br /> S-10 Sample number © Machine—slotted PVC <br /> i <br /> P I D Photoionlzation detector Pea gravel Inferred contact <br /> BLOWS REPRESENT THE NUMBER OF BLOWS OF A 140—POUND HAMMER <br /> FALLING 30 INCHES TO DRIVE THE SAMPLER THROUGH EACH 6 INCHES <br /> OF AN 18—INCH PENETRATION <br /> GRADATIONAL AND INFERRED CONTACT LINES SEPARATING UNITS ON THE <br /> LOG REPRESENT APPROXIMATE BOUNDARIES ONLY ACTUAL BOUNDARIES <br /> MAY BE GRADUAL LOGS REPRESENT SUBSURFACE CONDITIONS AT THE <br /> BORING LOCATION AT THE TIME OF DRILLING ONLY <br /> "ALMAWUNIFIED SOIL CLASSIFICATION SYSTEM <br /> , 'AMOMEW AND SYMBOL KEY <br /> t-AMA"« KOK REALTY <br /> Woricing to Roetoro Nsttrro <br /> 2403 WEST NAVY DRIVE <br /> PROJECT 150091.01 STOCKTON, CALIFORNIA <br />