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I <br /> UNIFIED SOIL CLASSIFICATION SYSTEM <br /> MAJOR DIVISIONS LTR DESCRIPTION MAJOR DIVISIONS LTR DESCRIPTION <br /> WeO-graded gravels or gronnl-sand mixtures <br /> IRVr at no fines p" soft one wry Ifni.ands, <br /> GW <br /> ML mew <br /> � t[our stay at clayey fin. sends <br /> or clayey sills with slight plasgaily <br /> Pearly-graded prowls or gravel-sand <br /> GRAVEL GP mixtures am* or no time SILTS <br /> AND AND <br />' GRAVELLY CLAYS Inarganie a" of tow to medium <br /> piasNalfy, gravelly clays sandy days. <br /> SOILS GM Silty gravels, gravel-sand-silt mixtures LL<50 CL siHY allays, lawn days <br /> H COARSE- 9 <br /> GC Clayey gravels prawl-sand-eiay mixtures GRAINED OL of low plasticity <br /> organic SIH-clays <br /> SOILS SOILS <br /> Well - graded sands or gravelly sands inorganic sots mloaceaus or dWarracacus <br /> SW IIHta or no fines MH fine sandy ar sOiy sells ElasRc dfls. <br /> SAND SILTS <br /> AND Poorly-groded sands or gravelly sande AND Inorganl< Clays of high piasfidty. <br /> SANDY SP I»He at no fines CLAYS CH fat day: <br /> SOILS LL>50 <br /> Il days of medium to high <br /> SM silty vends sand-s8t mixtureptactI <br /> s. OH laellally argonic silts <br /> SC Clam ve -c <br /> C]ands sand-clay mixtures HIGHLY ORGANICSOILS PT Psaf and ether highly organic soils <br /> ❑ Blank PVC Sand pack <br /> ® Machine-slotted PVC ® Bentonite seal <br /> S-200 Soil sampling Interval and v v <br /> sample idenffication with depth 71 Cement seal <br /> i <br /> 1 Static water level observed in well <br /> Q Initial water level observed in boring <br /> I Blows are the number of blows of a 140 - pound hammer <br /> falling 30 inches to drive the sampler each successive 6 Inches <br /> of an 18-inch penetration <br /> Dashed fires separating units on the log represent approximate <br /> boundaries Actual boundaries may be gradational <br /> represent subsurface conditions at the boring location at the <br /> time of drilling <br /> EC269 MOUNT HERMON RD SUITE 101 <br /> SCOTTS VALLEY CA 95066 PHONE (408)438-7511 <br /> TECHNOLOGIES. INC FAX (408)438-7515 <br /> 1 <br /> USCS3 <br /> I <br />