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Unified Sod Classification - ASTM D 2488-85 <br />and Key to Test Data <br />TYPICAL NA IES <br />WELL GRADED GRAVELS WITH OR <br />GW <br />LITTLE OR NO FINES <br />CLEAN GRAVELSW�OUTSAND. <br />r11AIONS <br />WITH LITTLE <br />OR NO FINES <br />GP <br />POORLY GRADED GRAVELS WITH OR <br />w WITHOUT SAND. LITTLE OR NO FINES <br />GM <br />SILLY GRAVELS <br />SILTY GRAVELS WITH SAND <br />GRAVELS WITH <br />Wcc CHER <br />15% FINES <br />GC <br />i CLAYEY GRAVELS. <br />CLAYEY GRAVELS WITH SAND <br />(D o <br />Lu N <br />• • . WELL GRADED SANDS WITH OR <br />•' <br />SW <br />' • . WITHOUT GRAVEL. LITTLE OR NO FINES <br />CLEAN SANDS <br />• . <br />U <br />WITH LITTLE <br />SANDS OR NO FINES <br />SP <br />POORLY GRADED SANDS WITH OR <br />WITHOUT GRAVEL, LITTLE OR NO FINES <br />W <br />MORE THAN HALF <br />0 <br />IS SMALtERT <br />SM <br />SILTY SANDS WITH OR <br />7. <br />No 4 SIEVE SUE <br />WITHOUT GRAVEL <br />SANDSWITH <br />CHER 15% FINES <br />CLAYEY SANDS WITH OR <br />SC <br />wITHOLIi GRAVEL <br />INORGANIC SILTS AND VERY FINE SANDS 90CK <br />WML <br />FLOUR, SILTS WITH SANDS AND GRAVELS <br />S <br />SILTS AND CLAYS <br />INORGANIC CLAYS OF LOW TO MEDIUM PLASTICITY <br />CL <br />CLAYS WITH SANDS AND GRAVELS LEAN CLAYS <br />J Z <br />UOUtO LIMIT 50% OR LESS <br />I�A <br />N <br />Ha <br />! I 1 ORGANIC SILTS OR CLAYS <br />� <br />OL <br />I l 1 OF LGW PLASTICITY <br />Lu <br />zw <br />INORGANIC SILTS MICACEOUS OR DIATOMACiCUS <br />N <br />(GIH <br />FINE SANDY OR SILTY SOILS ELASTIC SILTS <br />SILTS AND CLAYS <br />INORGANIC CLAYS OF HIGH PLASTICITY <br />CH <br />FAT CLAYS <br />LIQUID LIMIT GREATER THAN 50% <br />ILI <br />o <br />OH <br />ORGANIC SILTS OR CLAYS <br />OF MEDIUM TO HIGH PLASTICITY <br />0 <br />�� �� <br />HIGHLY ORGANIC SOILS <br />PT <br />PEAT AND OTHER <br />HIGHLY ORGANIC SOILS <br />_ No Soil Sample Recovered <br />- 'Undisturbed' Sample <br />LL <br />- Liquid Limit (°,b) <br />® - Bulk or Classification Sample <br />PI <br />- Plastic Index (%) <br />Q -First Encountered Ground Water Level <br />PID <br />- Volatile Vapors in ppm <br />Z► - Rezometric Ground Water Level <br />MA <br />- Particle Size Analysis <br />- <br />2 5 YR 5!2 - Sol Color according to <br />Penetration- Sample drive hammer weight - 140 pounds <br />Munsell Soil Color Charts (1975 Edigon) <br />failing 30 inches Blows required to drive <br />sampler i toot are indicated on the logs <br />5 GY 512 <br />_GSA Rock Color Chart <br />Unified Sod Classification - ASTM D 2488-85 <br />and Key to Test Data <br />