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UNIFIED SOIL CLASSIFICATION SYSTEM MAJOR DIVISIONS LTR DESCRIPTION MAJOR DIVISIONS LTR DESCRIPTION GRAVEL AND GW Well -graded gravels or gravel sand mixtures, little or no fines. SILTS AND ML Inorganic silts and very fine sands, rock flour, silty or clayey fine sands or clayey silts with slight plasticity. GP Poorly -graded gravels or gravel sand mixture, little or no fines. GM Silty gravels, gravel -sand -clay mixtures. CL Inorganic clays of low to medium plasticity, gravelly clays, sandy clays, silty clays, lean clays. GRAVELLY SOILS CLAYS LL<50 GC Clayey gravels, gravel -sand -clay mixtures. COARSE GRAINED FINE GRAINED OL Organic silts and organic silt - clays of low plasticity SAND AND Sid Well -graded sands or gravelly sands, little or no fines. SILTS - AND CLAYS MH Inorganic silts, micaceous or diatomaceous fine sandy or silty soils, elastic silts SOILS SOILS SP poorly -graded sands or gravelly sands, little or no fines. CH Inorganic clays of high plasticity, fat clays. SANDY SOILS I L1>50 I SM I Silty sands, sand -silt mixtures. ON I Organic clays of medium to high plasticity. Ll SC Clayey sands, sand -clay mixtures. HIGHLY ORGANIC SOILS Pt Peat and other highly organic soils. Standard penetration split spoon sample Modified California sampler IShelby tube sample Water level observed in boring * No recovery NFWE No free water encountered NOTE: The lines separating strata on the logs represent approximate boundaries only. The actual transition may be gradual. No warranty is provided as to the continuity of soil strata between borings. Logs represent the soil section observed at the boring location on the date of drilling only. 6 7 -� J.H. KLEINFELDER & ASSOCIATES kPq GEOTECHNICAL CONSULTANTS • MATERIALS TESTING PREPARED BY:JHK&A DATE: 5-17-85 CHECKED BY: RTH DATE: 5-17-85 PLATE BORING LOG LEGEND PROJECT NO. S-1008-35 V