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MAJOR DIVISIONS TYPICAL NAMES <br /> •i• WELL GRADED GRAVELS WITH OR <br /> CLEAN GRAVELS GW y.", WITHOUT SAND LITTLE OR NO FINES <br /> w WITH LITTLE <br /> V3 <br /> GRAVELS OR NO FINESGP ��,� POORLY GRADED GRAVELS WITH OR <br /> N + WITHOUT SAND LITTLE OR NO FINES <br /> Q MORE THAN HALF <br /> Z COARSE FRACTION <br /> O IS LARGER THAN SILTY GRAVELS <br /> N Na,SIEVE SIZF GRAVELS WITH GM SILTY GRAVELS WITH SAND <br /> p <br /> Z w OVER 15%FINES <br /> a GC a ' CLAYEY GRAVELS <br /> CLAYEY GRAVELS WITH SAND <br /> W U <br /> rn rn WELL GRADED SANDS WITH OR <br /> O CLEAN SANDS SW '• WITHOUT GRAVEL,LITTLE OR NO FINES <br /> WITH LITTLE <br /> SANDS OR NO FINES SP POORLY GRADED SANDS WITH OR <br /> F WITHOUT GRAVEL,LITTLE OR NO FINES <br /> W MORE THAN HALF <br /> O COARSE FRACTION <br /> 0SMALLER er(AN SILTY SANDS WITH OR <br /> Na4SIEVE SEZE SM WITHOUT GRAVEL <br /> SANDS WITH i <br /> OVER 15%FINES <br /> SC CLAYEY SANDS WITH OR <br /> WITHOUT GRAVEL <br /> ML INORGANIC SILTS AND VERY FINE SANDS HOCK <br /> ail FLOUR SILTS WITH SANDS AND GRAVELS <br /> gSILTS AND CLAYS <br /> CIA CL INORGANIC CLAYS OF LOW TO MEDIUM PLASTICITY <br /> Z LIQUID LIMIT 5096 OR LESS CLAYS WITH SANDS AND GRAVELS LEAN CLAYS <br /> OF <br /> SILTS OR CLAYS <br /> Lu� OL I I I OF LOW PLASTICITY <br /> Z Z <br /> X INORGANIC SILTS MICACEOUS OR DIATOMACIOUS <br /> MHFINE SANDY OR SILTY SOILS,ELASTIC SILTS <br /> 111 <br /> Z <br /> x SILTS AND CLAYS INORGANIC CLAYS OF HIGH PLASTICITY <br /> LIQUID LIMIT GREATER THAN 50% CH FAT CLAYS <br /> u7 <br /> ORGANIC SILTS OR CLAYS <br /> OH <br /> � OF MEDIUM TO HIGH PLASTICITY <br /> HIGHLY ORGANIC SOILS PT HEAT AND HIGHLY ORGANIC <br /> SOILS <br /> 0 - No Sod Sample Recovered <br /> - *Undisturbed'Sample <br /> LL - Liquid Limit(96) ® - Bulk or Classification Sample <br /> PI - Plastic Index(%) SZ - First Encountered Ground Water Level <br /> PID - Volatile Vapors in ppm Piezometnc Ground Water Level <br /> MA - Particle Size Analysts <br /> 2 5 YR 6l2 Soil Color according to Penetration Sample drive hammer weight-140 pounds <br /> Munsell Soil Calor Charts(1975 Edltton) falling 30 inches Blows required to drive <br /> 5 GY 5/2 - GSA Rock Color Chart sampier t toot are indicated on the logs <br /> Unified Soil Classification -ASTM D 2488-85 <br /> and Key to Test Data <br />