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UNIFIED SOIL CLASSIFICATION SYSTEM <br /> MAJOR DIVISIONS LTR DESCRIPTION MAJOR DNISIONS LTR DESCRIPTION <br /> GW Wall-graded gravels or gravel sand Inorganic sifts and vary fins sands, <br /> mixtures, little or no fines. ML rock tour,silty or clayey fine sands <br /> or Clayey sihs with slight plasticity. <br /> GIP Poorly-graded gravels or gravel <br /> GRAVEL sand mixture, little or no flnes. SILTS Inorganic days of low to medium <br /> AND AND CL plasticity, gravely clays. sandy days <br /> GRAVELLY CLAYS silty days, Wan days. <br /> SOLS GM Silty gravels, gravel-sand-clay LLc50 <br /> mixtures. <br /> OG Clayey gravels, gravel-sand-clay C` Organic sifts and organic silt-clays <br /> COARSE mixtures. of low plasticity. <br /> GRAINED FADE <br /> GRAINED <br /> SOIL Inorganic sifts, micaceous or <br /> Wal!-graded sands or gravelly SOILS <br /> SW diatomaceous fine sandy or silty <br /> sands. Tittle or no tines. soils, elastic sifts. <br /> SILTS <br /> SP Poorly-graded sands or gravely AND CR Inorganic days of high plasticity, <br /> SAND sands, Ilttle or no fines. CLAYS fat days. <br /> AND LL>50 <br /> SANDY <br /> SOILS SM Silty sands, sand-silt mixtures. CH Organic days of medium to high <br /> plasticity. <br /> SC Clayey sands, sand-clay mixtures. HIGHLY P Peat and otter highly organic soils. <br /> ORGANIC SOILS t <br /> ® Disturbed Bag or Bulk Sample 11 Blank casing <br /> Standard penetration split spoon sample Screened casing <br /> ' Modified California Sampler (Porter) Cement grout <br /> I Shelby tube sample <br /> Bentonite <br /> Water level observed in boring <br /> �- <br /> No recovery Sand pack or gravel pack <br /> NFWE No free water encountered I Surface conductor casing <br /> NOSC No odor, scent, or fluid cut <br /> NOTE: Blow count represents the number of blows <br /> of a 140-pound hammer falling 30 inches per <br /> blow required to drive a sampler through the <br /> last 12 inches of an 18-inch penetration. <br /> NOTE: The lines separating strata on the logs <br /> represent approximate boundaries only. <br /> The actual transition may be gradual. <br /> No warranty is provided as to the continuity <br /> of soil strata between borings. Logs <br /> represent the soil section observed at <br /> the boring location on the date of;drilling <br /> only. <br /> BORING LOG LEGEND PLATE <br /> KLEINFELDER <br /> WESTON RANCH 7 <br /> PROJECTNO. 24-2099-20 STOCKTON, CALIFORNIA <br /> M-12A <br />