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MAJOR DIVISIONS TYPICAL NAMES <br /> • ' GW Well graded grovels with or without sand, little or <br /> GRAVELS CLEAN GRAVELS • * • I no fines <br /> WITH LITTLE i <br /> OR No FINES GP Poorly graded gravels with or without sand, little or <br /> MORE THAN HALF � no fines <br /> COARSE FRACTION • <br /> J N 15 LARGER THAN GM Silty gravels, silty gravels with sand <br /> VV) z NO 4 STEVE SIZE GRAVELS WITH <br /> M OVER 15% FINES <br /> a GC Clayey grovels, clayey gravels with sand <br /> _ <br /> Ln <br /> a w <br /> oSW Well graded sands with or without grovel, little or <br /> CLEAN SANDS no fines <br /> V) <br /> SANDS R No FlNES - - Sp Poorly graded sands with or without gravel, little or <br /> o no fines <br /> MORE THAN HALF <br /> 0 COARSE FRACTION SM Silt sands with or without ravel <br /> 15 SMALLER THAN y 9 <br /> NO 4 SIEVE SIZE SANDS WITH <br /> OVER 15% FINES <br /> SC Clayey sands with or without gravel <br /> Inorganic silts and very fine sands, rock flour, silts <br /> ML with sands and gravels <br /> CD SILTS AND CLAYS Inorganic clays of low to medium plasticity, clays <br /> z CL LIQUID L1MTf 5096 OR LESS with sands and gravels, lean clays <br /> z o< <br /> OL Organic silts or clays of low plasticity <br /> _ w <br /> Inorganic silts, micaceous or diatomaceous, fine <br /> MH sand silt sods, elastic silts <br /> SILTS AND CLAYS y or y <br /> � <br /> 01 <br /> LIQUID LIMIT GREATER THAN 50% CH Inorganic clays of high plasticity, fat clays <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 /> Soil Color Charts (1993 Edition) leo sad sample recovered <br /> BLOWS/FT Sample drive hammer weight — ■ "Undisturbed" sample <br /> 140 pounds falling 30 inches <br /> Blows required to drive sampler y First encountered groundwater level <br /> 1 foot are indicated on the logs <br /> 1 Static groundwater leve! <br /> UNIFIED SOIL CLASSIFICATION <br /> GE TTLER - RYAN INC, ASTM D 2488-85 <br /> 6747 Serra Ct, Suite a AND <br /> Dublin, CA 94558 (925) 551-7555 KEY TO SAMPLING DATA <br /> FILE NAME P FrYPES 8L0G—KEY OWG I Layout TO Dog Key <br />