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U141FIED SOIL CLASSIFICATION <br />C011eLE3 l GRAVEL I SAND I <br />I co..fE I ►irE to.wfE _ ..[our ►twt -j SILT AND CLAY <br />US. STANDARD SIEVE SIZES <br />6� 3�1 1 I i1 4 10 20 AO 60 140 200 <br />Ab <br />GRAIN SIZES IN MILLIMETERS <br />0 <br />LO <br />so <br />a <br />n <br />40 = <br />SO a <br />.a <br />s <br />60 tZ.t <br />0 <br />TO <br />so <br />90 <br />loo <br />U.S. <br />STD. <br />PERCENT <br />SIEVE <br />SIZE <br />PASSING <br />No. <br />4 <br />100 <br />No. <br />8 <br />99 <br />No. <br />10 <br />99 <br />No. <br />16 <br />97 <br />No. <br />30 <br />95 <br />No. <br />40 <br />94 <br />No. <br />50 <br />93 <br />No. <br />100 <br />88 <br />No. <br />200 <br />79 <br />SAMPLE DESCRIPTION <br />LOCATION <br />LL <br />PI <br />Cu <br />C. <br />MOISTURE' <br />CONTENT (%) <br />LABORATORY <br />NUMBER <br />CL -Lean clay <br />B-7 @ 5.0-6.5 feet <br />40 <br />22 <br />21.2 <br />1539 <br />