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UNIFIED SOIL CLASSIFICATION SYSTEM-VISUAL CLASSIFICATION OF SOILS <br /> (ASTM D-2488) <br /> MAJOR GROUP GROUP NAME DESCRIPTION <br /> DIVISIONS SYMBOL <br /> •O•Q��+O• Wek4greded gravel Wel)-graded gravel*tar ga—Wand <br /> 4000*�iO• G W Well-graded gravel with sand adxbmeq little or no flu& <br /> GRAVHL 0'0'0'0'0 Poorly-graded gravel Poorly-graded gravels or gravel <br /> 0'0'.0'0`0 GP Poorly-graded gravel with sand sand mixture little or no flaw <br /> AND p•00.0.0 <br /> GRAVELLY 0.0.0.0 Silty gravel �Y tln� <br /> .0,0,0.0. GM Silty gravel with sand �1-°a°dyik mixtures. <br /> SOWS <br /> GOARs>l Clayey gravel CIa vacs, vel and mixtures. <br /> GC Clayey gravel with sari YeY ✓� <br /> GRABOD <br /> well-graded sand well-graded ands or gravelly sands, <br /> Sons S W Weil-graded and with gravel little or no firm <br /> UNDnd Pooriy-graded sands or gravelly suds. <br /> SP poorl��asand with gravel little or no fines. <br /> ANO <br /> SANErf Suty sand♦ \ \ ♦ ♦ SM Silty and with gravel Silty sands,sand-aik mixtures. <br /> 1 \ 1 \ <br /> � l Clayey used Clayey ands,sand-clay mdxturm <br /> SC clayey and with gravel <br /> ♦♦\\\\\\• <br /> Inorganic silts and fine sands.rock flour <br /> ♦\.♦\♦\\\ r'e1Y <br /> \\\♦♦\\♦♦ Slit Sill with sand Sil,with gravel,Sandy silt silty or da fine sands or sibs <br /> i5 \\\\\\♦♦♦ M I, Sand silt with e6 Gravel silt;Gravelly silt with card ' ' dayry <br /> y �'' Gravelly Y wtth slight plastic" <br /> AND <br /> Lean day'Lean day with and Lean clay with gaud Inorganic days d low m mrGdium plasticity <br /> FINE CLAYS CL Sandy lean clay,Sandy lean clay with gravel gravelly days,sandy days,silly drys lean days. <br /> Gravelly lean day;Gravelly lean day with sand <br /> �D ��������+ Elasmc sib;ELstic silt with sand,Elastic slit with gravel <br /> ELASM �r. �t�� Inorganic albs,micaceous or dlatamaoeoua flm <br /> sons ;;„����� MH Sandy elastic silt Sandy elastic slit with gravel sandy or silly soila.elastic silts. <br /> �Tg ��.��«�ti Gravelly elaitte&M Gravelly eha is silt with sand <br /> Fat day,Fat day with sand.Fat day with gravel <br /> AND <br /> CH Sandy fat day Sandy fat day with gravel Inorganic days of high Pte$:Eat day- <br /> Gravelly fat day-,Gravelly fat day with and <br /> organic soil,Organic soil with sand,Organic loll with gravel Organic silts and organic si@.days of low plasticity <br /> EQGt1LY <br /> OL/OH GravellyaysnYcsou Gravelly organorganic ic soil withsandorganic days of m.dturm to high ply <br /> ORGANIC sows <br /> Pt Peg Peat and other highly organic soils. <br /> MML f nNSMC1InN D TAJI.S NOTE Slow count rept rus the number of blows of a <br /> 1404b hammer falling 30 Inches per blow required SANDS sit GRAVELS BLOWS/FT <br /> to drive a sampler through the tat 12 inches of an <br /> ISdnch pes:w aidem VERY LOOSE 0-5 <br /> Cement No warranty is provided as to the continuity LGGSE 5-12 <br /> of soli strata between borings. Logs represent h�DEAI5E 12 37 <br /> the soil section observed a the baring location <br /> on the date of drilling only DFS 37-62 <br /> = Bentonite S-Sampler sank into medlum under the weight VERY DENSE OVER bz <br /> of the hammer(m blow count) <br /> P.Sampler was pushed into medium by drilling <br /> rig(no blow count) <br /> = Recovery <br /> SILTS&CLAYS SLo1YS/FT <br /> Filter pack NR No Re <br /> SOFT 0-5 <br /> 5-IO <br /> PVC Screen Approximate first encountered water level FIRM <br /> y-�g 10-2D <br /> —_ Sample VERY ST57 20-40 <br /> Approximate stabilized water level Ratsia� Interval FLAJW OVM 40 <br /> = PVC Blank - 1�j <br /> ,analysis <br /> HYDR solL soluNG AND ffc-1 <br /> � <br /> ENVIR NMENTAL WELL CONSTRUCTION LOG <br /> TECHN & LOGIES, INC. LEGEND <br />