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UNIFIED S411_CLASSIFICATION SYSTEM <br /> MAJOR DIVISIONS TYPICAL NAMES <br /> • 4 <br /> o WELL GRADED GRAVELS WITH OR <br /> GW <br /> o °a c o° WITHOUT SAND,LITTLE OR NO FINES <br /> CLEAN GRAVELS WITH O 6 4 <br /> > LITTLE DR NO FINES o' oda POORLY GRADED GRAVELS W TH OR w GRAVELS I <br /> Gl' a ° a WITHOUT SAND,LITTLE OR NO FINES <br /> MORE THAN HALF ° <br /> IAN COARSE: FRACTION <br /> JOiSLARGER THAN SILTY GRAVELS, <br /> OZ NO 4 SIEVE SIZE GM SILTY GRAVELS WITH SAND <br /> (Aa GRAVELS WITH a <br /> Q <br /> OVER 15%FINES <br /> LU CLAYEY GRAVELS, <br /> Z w GC CLAYEY GRAVELS WITH SAND <br /> co <br /> cc <br /> { o WELL GRADED SANDS WITH OR <br /> 0 SW WITHOUT GRAVEL LITTLE OR NO FINES <br /> LLI ca <br /> IT1u CLEAN SANDS WITH <br /> CC-j LITTLE OR NO FINES <br /> 4d SANDS POORLY GRADED SANDS WITH OR <br /> d= SF WITHOUT GRAVEL LITTLE OR NO FINES <br /> U a MORE THAN HALF <br /> W IS LESS THAN <br /> F COARSE FRACTION SILTY SANDS WITH OR <br /> o NO 4 SIEVE SIZE SM WITHOUT GRAVEL <br /> M SANDS WITH <br /> OVER 115%FINES CLAYEY SANDS WITH OR <br /> SC WITHOUT GRAVEL <br /> LU INORGANIC SLTS AND VERY <br /> SANDS <br /> ML ROCK FLOUR,SILTS WITH SANIDS AND GRAVELS <br /> NSILTS AND CLAYS INORGANIC CLAYS OF LOW TO MEDIUM PLASTICITY <br /> JO CL CLAYS WITH SANDS AND GRAVELS,LEAN CLAYS <br />' 0¢ LIQUID LIMIT 50%OR LESS <br /> 0< OL I I I r ORGANIC SILTS OR CLAYS <br /> 0 I 1 1 1 OF LOW PLASTICITY <br /> • Z 1 1 1 1 <br /> I <br /> MH INORGANIC SILTS,MICACEOUS OR DIATOMACIOUS <br /> OFINE SANDY OR SILTY SOILS ELASTIC SILTS <br /> � <br /> Z SILTS AND CLAYSCH INORGANIC CLAYS OF HIGH PLASTICITY <br />' <br /> LIQUID LIMIT GREATER THAN 50% FAT CLAYS <br /> ORGANIC SILTS OR CLAYS <br /> p OH OF MEDIUM TO HIGH PLASTICITY <br /> PEAT R <br />' HIGHLY ORGANIC SOILS PT HIGH YNORDGANEC SOILS <br />' ❑ No Soli Sample Attempted 2 5 YR 6/2 • Soil Color according to <br /> Munsell Soil Color Charts (1975 Edition) <br /> ❑ Sample Observed but Not Retained <br /> — • First Encountered Saturated 5011 <br />' ® No Recovery in Sampler <br /> Z • Measured Ground Water Level <br /> • Sample Submitted for Laboratory Analysis -- <br /> Sample Depth Is Bottom of Sample • Estimated Boundary <br /> Between Llthologlc Units <br /> t zl Blows/Foot Blows Required to Drive _ w <br /> Sampler One l=oot Using Dammer Weight • Estimated Gradational Boundary <br /> of 140 Pounds Falling 30 Inches Between Llthologic Units <br /> tQ FOR Robert A Booher, Unified Soil Classification System PLATE <br /> e� Consulting CaI>!forrua Cedar Products <br /> 3221 Quail Hollow Drive 1340 West Washington Street 9 <br /> Fairfield, California 94584 Stockton, California <br /> w JOB NUMBER REVIEWED BY Jeff Monroe DATE October 2003 REVISED =t4EET <br /> TRACE 396 <br /> 1 <br />