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UN-1 F1 ED- SO1L LA'S-SI.F-I CAT 10 SYSTEM <br /> MAJOR 0114SIONS LFR - "DESCRIPTtCPJ 1AAJOR DNlSIONS LTR DESCRIPTION <br /> Well—graded gravels or crave! and Inorganic silts and very rine sands- <br /> GW Isand mixtures, little or ne tines. ML rock flour, silty or clayey rine � <br /> 51LTS sands or clayey silts with slight <br /> Poorly—graded gravels or ,ravel plasticity. ._ <br /> DRAWL 'C' sand mixture, little or no fines. .i AND' <br /> AND CLAYS 'Inorganic 'clays. or IoW to medium <br /> jf GRAVE Y -si ty gravels. grovel—sand—silt - - I LL <50 - -CL plasticity, gravelly clays, sanely - <br /> } _ 5C 'M mixtures. clays, iean Cloys. <br /> COARSE Clayey gravels, gravel—sang—clay I Organic silts and araanic silt—clays <br /> "�'' mixtures.` 31NE ! OL of low plasticity <br /> w RAINED ',nor anic cin or low -to mtdium <br /> CSGLNSED Well—graded sanps_C gravelly 'S 9 Ys t <br /> sands, little or no Tines._, OILS i MH plasticity gravelly clays, sordv <br /> SAND Poorly—graded-..sands or ,:rave+iv i SILTS . clays, ic�7n cCys. <br /> l AND SP sdnd mixture,"little or no tnes. -' I AND CH Inoraonic clays of high C,cstieity, <br /> SANDY I CLAYS fiat clays. <br /> LL >50 <br /> SOILS gel Silty sands, sand—silt'-mixtures. ! i OH Organicclaysof medium to high <br /> plasticity. <br /> SC - Clayey sands, sand—slit mixiures. Chij31L$GAMIC 111 PT peat and atner highly organic sails. <br /> �I '.... .� and ^C'ck <br /> I Depth throuoh whic <br /> I I -ampler is dr'iven.- <br /> ;entonite annular Seal <br /> is Relatively,undisturbed =ample <br /> if - <br /> . Neat cement annular seal <br /> fMissed s'arnpie <br /> CBlank PITC <br /> 7 Ground wafer. level '. <br /> observed in boring . <br /> _. Machine—siotted FVC <br /> 5-10 Sample number <br /> PVC. Centralizer <br /> PID Photoionization de.:ectcr reading <br /> SLOW/FT F EGPESENTS THE NUMBER OF BLOWS OF A- <br /> 140=P0UND HAMMER FALLING 30 INCHES TO DRIVE <br /> THE SAMPLER i HROUGH THE LAST 12 {NCHES OF AN <br /> 18 INCH PENETRATICN. <br /> 0ASHED_1INES..SEPARATING UNITS OF THE LOG <br /> REPRESENT APPROXIMATE BOUNDARIES ONLY. <br /> ACTUAL BOUNDARIES MAY BE GRADUAL. LOGS i <br /> ;. REPRESENT, SUBSURFACE CONDITICNS .IN . THE <br /> BORING -AT THE 71ME OF DRILLING ONLY.- <br /> , - - - - <br /> UNIFIED- SOIL CLASSIFICATION-SYSTEM .-I .PLATE <br /> �`--`-l� AND SYMBOL KEY I I <br /> Beacon Station No. 492 i <br /> F.,tE No.. . 470 North Main Street <br /> 3-.- <br /> PROJECT. NO: 86102-7 6102G6A Manteca, California I <br /> I <br /> • ' j <br />