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' UNIFIED SOIL CLASSIFICATION SYSTEM - ASTM D2487-85 <br /> MAJOR DIVISIONS GROUP NAVIES <br /> + WELL-GRADED GRAVEL, <br /> Clean travels GW + WELL-GRADED GRAVEL WITH SAND <br /> tees than <br /> ' GRAVELS 6%fin" GP + POORLY-GRADED GRAVEL, <br /> More than 6096 0[ es POORLY-GRADED GRAVEL WITH SAND <br /> 4 • toarso fraction GM SILTY GRAVEL,SILTY GRAVEL <br /> w retained an Gravels with WITH SAND <br /> pp <br /> ' b1 It R talo 4 glove mors than � CLAYEY GRAVEL,CLAYEY GRAVEL <br /> 7i 13%tense WITH SAND <br /> 0 <br /> W z SW SAND <br /> SAND, WELL-GRADED <br /> ' Clean sand SAND WITII GRAVEL <br /> SAND$ 1•18 than SP POORLY-GRADED SAND, <br /> 6096 or more of' <br /> t) 6%fines POORLY-GRADED SAND WITHGRAVEL <br /> coarse fraction SM SILTY SAND,SILTY SAND <br /> passes No 4 glow Sands with t WITH GRAVEL <br /> more than SC CLAYEY SAND,CLAYEY SAND <br /> ' 12%fines 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% GRAVE LEAN CLAY SANDY OR CRAVELLY <br /> o i • , , ORGANIC SILT OR CLAY,ORCANIC SILT <br /> ' OL OR CLAY WITH SAND OR GRAVEL,SAND <br /> A a OR GRAVELLY ORGANIC SILT OR CLAY <br /> W <br /> E ELASTIC SILT ELASTIC SILT WITH SAND <br /> 19 MHI <br /> OR GRAVEL SANDY OR GRAVELLY <br /> $zo ELASTIC SILT <br /> e FAT CLAY FAT CLAY WITII SAND OR <br /> z SILTS AND CLAYS CHGRAVEL,1ANDY OR GRAVELLY PAT <br /> .» Liquid limit 60%or more CLAY <br /> r" ORGANIC SILT OR CLAY ORGANIC SILT <br /> OHOR CLAY WITH SAND OFA GRAVEL,SAND <br /> OR GRAVELLY ORGANIC SILT OR CLAY <br /> IIIGIILY ORGANIC SOILS PtPEAT <br /> For definition of dual and borderline symbols, see ASTM D2487-86 <br /> KEY TO BORING LOG <br /> ' — 'Undisturbed` Sample HC odor — Hydrocarbon Odor <br /> ® — Bulk or Classification Sample No — No Odor <br /> ' — Sample Submitted for Laboratory Analyses Lo — SGgtst Odor <br /> PID — Pholowonization Detector Reading Md Moderate Odor <br /> (10 2 electron volt lamp, cahbraled gg — Strong Odor <br /> ' against an lsobulylene standard) <br /> Harding Lawson Assoolales S0 lass f 8t on art PLATE <br /> Engineering and <br /> an� Ke to Boring logs <br /> Environmental Services Hoff U ar Corporation <br /> s Traci aL�t0ry <br /> 5 <br /> Tracy, Caftfornla <br /> DRAWN JOB NUMBER APPROVED OATS RIV4660OATS <br /> CB 27690 1 C�I16 11/94 <br /> 1 <br />