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UNIFIED SOIL CLASSIFICATION SYSTEM - ASTM D2487-85 <br /> MAJOR DIVISIONS GROUP NAMES <br /> w WELL-GRADED GRAVEL, <br /> Clean graveta <7W w WELL-GRADED GRAVEL WITH SAND <br /> Ies9 than <br /> GRAVEL3 6% tinea op +a POORLY-GRADED GRAVEL, <br /> r POORLY-GRADED GRAVEL WITH SAND <br /> More than to%of <br /> O� . Loans fraction CM SILTY GRAVEL,SILTY GRAVEL <br /> 03 retained on1 WITH SAND� t Q CC No <iier• Crawu wwithh <br /> more than CLAYEY CRAVEL,CLAYEY GRAVEL <br /> ZZ91 ii <br /> 1!% tine WITH SAND <br /> !? WILL-CRADED SAND, WELL-GRADED <br /> SW Clean and <br /> SAND WITH GRAV;L <br /> 1 B <br /> ' SANDS 14199 than <br /> POORLY-GRADED SAND, <br /> 02 6% tinea 3P POORLY-CRADED SAND WITH GRAVEL <br /> 60%or morn of <br /> Coarse fraction SM SILTY SAND,SILTY SAND <br /> pa.e9ee No 4 9141ve Sands with WITH GRAVEL <br /> mord thinSC CLAYEY SAND,CLAYEY SAND <br /> - 1296 frnsa WITH GRAVEL <br /> ML SILT,SILT WITH SAND OR GRAVEL, <br /> SANDY OR GRAVELLY SILT <br /> SILTS AND CLAYS CL LEAN CLAY,LEAN CLAY WITH SAND OR <br /> Liquid limit leu than 50% LEAN CLAY SANDY OR GRAVELLY <br /> H • , , ORGANIC SILT OR CLAY,ORGANIC SILT <br /> T� OL OIt CLAY WITH SAND OR GRAVEL,SAND <br /> a a • ' ' ' OR CRAYELLY ORGANIC SILT OR CLAY <br /> z S ELASTIC SILT ELASTIC SILT WITH SAND <br /> MH OR GRAVEL,SANDY OR GRAVELLY <br /> o <br /> z ELASTIC SILT <br /> Wo <br /> o FAT CLAY FAT CLAY WITH SAND OR <br /> x SILTS AND CLAYS CH GRAVEL,iANDY OR GRAVELLY FAT <br /> Liquid limit 60%or more CLAY <br /> OH ORGANIC SILT OR CLAY,ORGANIC SILT <br /> OR CLAY WITH SAND OR GRAVEL,SAND <br /> OR GRAVELLY ORGANIC SILT OR CLAY <br /> HIGHLY ORGANIC SOILS Pt PEAT <br /> For definition of dual and borderline ermbols,tee ASTM D2187-85 <br /> KEY TO BORING LOG <br /> N -- 'Undisturbed' Sample HC odor — Fl drocarbon Odor <br /> ® — Bulk or Classification Sample No — No Odor <br /> — Sample Submitted lot Laboratory Analyses Lo — S6gN Odor <br /> PID — Pholoionrxation Deteclor Reading Md — Moderate Odor <br /> (10 2 electron volt temp, calibraled Sg — Strong Odor <br /> against an lsobutylene standard) <br /> l <br /> S0f lass l 8t on art PLATE <br /> Harding Lawson Associates and K@ #0 loring LOQ: <br /> Engineering and Holly Ju�ar y orporation <br /> Environmental Ssrvicas Tracy a for 5 <br /> + Tracy, Caltiornta <br /> DRAWN JOB NUMBER APPROVED DATI RLVIIED 0ATf <br /> C8 27690 1 11194 <br />