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Cr <br />a <br />d <br />i <br />I <br />Ai <br />a <br />t^ <br />z <br />1 <br />i <br />z <br />n <br />UNIFIED SOIL CLASSIFICATION <br />�OMBLES GRAVEL SAND SILT AND CLAY <br />w[OW I /IM( <br />US. STAHOARD SIEVE SIZES <br />6� 3 14' 1-)%- 4 10 20 40 60 140 ZOO <br />GRAIN SIZES IN MILLIMETERS <br />0 <br />PO <br />50 <br />40 <br />z <br />SO n <br />r^ <br />60 m <br />v <br />70 <br />so <br />90 <br />100 <br />Page B <br />U.S. <br />SIEVE <br />STD. <br />SIZE <br />PERCENT <br />PASSING <br />No. <br />8 <br />100 <br />No. <br />10 <br />99 <br />No. <br />16 <br />98 <br />No. <br />30 <br />92 <br />No. <br />40 <br />87 <br />No. <br />50 <br />82 <br />No. <br />100 <br />71 <br />No. <br />200 <br />60 <br />SAMPLE DESCRIPTION <br />LOCATION <br />LL <br />PI <br />Cu <br />Cc <br />MOISTURE <br />CONTENT ( %) <br />LABORATORY <br />NUMBER <br />CL-Lean clay <br />B -2 @ 9.0 -10.5 feet <br />49 <br />16 <br />13.3 <br />1539 <br />