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MAJOR DIVISIONS TYPICAL NAMES <br /> • ' GW Well graded gravels with or without sand, little or <br /> CLEAN GRAVELS ' no fines <br /> GRAVELS WITH LITTLE ' <br /> OR NO FINES GP Poorly graded gravels with or without sand, little or <br /> MORE THAN HALF ' no fines <br /> `�' COARSE FRACTION <br /> N 4 S <br /> NO 4 SIS SIEVE SIZE ITHAN GM Silty gravels, silty gravels with sand <br /> N z GRAVELS WITH <br /> OVER 15% FINES <br /> Xw GC Clayey gravels, clayey gravels with sand <br /> z � <br /> a � r <br /> o SW Well graded sands with or without gravel, little or <br /> N CLEAN SANDS no fines <br /> aSANDS OR ERNES Sp Poorly graded sands with or without gravel, little or <br /> 0 no fines <br /> C? MORE THAN HALF <br /> COARSE FRACTION SM Silty sands with or without grovel <br /> LQ IS SMALLER THAN <br /> NO 4 SIEVE SIZE SANDS WITH <br /> OVER 15% FINES <br /> SC Clayey sands with or without gravel <br /> ML Inorganic silts and very fine sands, rock flour, silts <br /> with sands and gravels <br /> of g SILTS AND CLAYS <br /> N CL Inorganic clays of low to medium plasticity, clays <br /> 0 z with sands and gravels, lean clays <br /> LIQUID LIMIT 50% OR LESS <br /> a 1 <br /> i i OL Organic silts or clays of low plasticity <br /> Ld <br /> Z <br /> _ W <br /> MH Inorganic silts, micaceous or diatomaceous, fine <br /> 0 so SILTS AND CLAYS sandy or silty soils, elastic silts <br /> La <br /> z CH Inorganic Clays of high plasticity, fat clays <br /> LIQUID LIMrr GREATER THAN 50% <br /> OH Organic silts or clays of medium to high plasticity <br /> HIGHLY ORGANIC SOILS PT Peat and other highly organic soils <br /> PID Volatile vapors in ppm Observed contact <br /> (2 5YR 6/2) Soil color according to Munsell ———-- Inferred contact <br /> Sod Color Charts (1993 Edition) No soil sample recovered <br /> BLOWS/FT Sample drive hammer weight — <br /> 140 pounds failing 30 inches "Undisturbed° sample <br /> Blows required to drive sampler y First encountered groundwater level <br /> I6 1 foot are indicated an the logs T Static groundwater level <br /> GETTLER - RYAN INC. ASTM <br /> SOIL CLASSIFICATION <br /> ASTM D 2488-85 <br /> 6747 SierrG Ct, Suite 3 AND <br /> 19a flubiin CA 94568 (925) 551-7555 KEY TO SAMPLING DATA <br /> FILEIE P ; SLOG—KEY DWG I Layout Tab Bloq Key <br />