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UNIFIED SOIL CLASSIFICATION SYSTEM <br /> NAIOR GROOLUP DESCRTPTIGX XAJOR GROUP DESCRIPTION <br /> D[YISIOX 5YNROIVIS ION SYX504 <br /> ? <br /> Gy Nell• raded <br /> g gravels or gravrl and ML inorganic silts Ind very lone <br /> GRAYEI. mixtures. Iiit le or no tints. SILTS ands, rock !lour, .illy or <br /> My aY fine sands or clayey silts <br /> AND OP 9onrly-graded gravels or gravel AND with slight pl sticIty <br /> sand ■Ixtures, little or no Imes. --- -- <br /> GAIIYELLY CLAYS CL InmrQantC Clays of low to medius <br /> GN Silty gavels. gravel-sand-silt plasllcitY gr"ally clays, sandy - <br /> SOILS mixtures. LLISO clays, silty clays, lean elsys. <br /> Fr+ <br /> .. i <br /> - <br /> COARSE GC Ckayey gravels, gravel-sand-clay rfXL OL organic silts and organic silt- <br /> ■ixrsras, clays of for plasticity .. <br /> CHAINED GRAINED <br /> Sit yell-graded :ands or gravelly NO Inorganic silts, miraraous a. <br /> SOILS SAND sands, little or no ti <br /> . <br /> . <br /> . <br /> . <br /> SOILS SILTS diatoaaceous fine sandy or silty <br /> sol L, elastic.11t.. <br /> - AND SP Poorly-graded sands or gravelly I AND <br /> 1 � Isn't, little or no fines. CH Inorganic clays of high plasticity, <br /> SANDY CLAYS_ fat clays, <br /> �,.. SOILS SN Silty sands, sand-silt mixtures, 4L150 on Organic clays of medium to big) <br /> plasticity, organic silts <br /> Se Clayey sands, sand-clay mlxturea. HIGHLY PS Paat and other highly organic I <br /> ORGANIC SOILS soils <br /> ` ri1 STANDARD PENETRATION SPLIT SPOON SAMPLE <br /> mSHELBY TUBE SAMPLE - <br /> MODIFIED PORTER SAMPLE 12.5-in. I.D,) <br /> MODIFIED CALIFORNIA SAMPLE (2.0-ill, S.D.) <br /> i <br /> WATER LEVEL OBSERVED IN BORING <br /> µ - <br /> NR NO RECOVERY <br /> NFVVE NO FREE WATER ENCOUNTERED - <br /> i�s <br /> Pp POCKET PENETROMETER (tield) <br /> 1 NOTE: THE LINES SEPARATING STRATA ON THE LOGS REPRESENT APPROXIMATE BOIIHDARIES <br /> �S <br /> - ONLY. THE ACTUAL TRANSITION MY BE GRADUAL. NO WARRANTY IS PRUVID°D AS TG <br /> THE CONTINUITY OF SOIL STRATA BETWEEN BORINGS, LOGS REPRESENT THE SOIL <br /> ! SECTION OBSERVED AT THE BORING LOCATION ON THE DATE Of DRILLING 3NLY. <br /> :a <br /> ROEK BI20'PR£RS PROPERTY, STDCICTON BORING--L_OG-LEGEND <br /> . BALBI & CHANG ASSOCIATES PROJECT NO. 1705 1 DATE 4/26/88 <br /> Geotochnical Consultants /Materials Testing I PREPARED BY BK PLATE A--1 <br />