ARCHIVED REPORTS_XR0012066 - Laserfiche WebLink

Home Browse Search

UNIFIED SOIL CLASSIFICATION SYSTEM MAJOR DIVISIONS LTR IDESCRIPTION MAJOR DIVISIONS LTR DESCRIPTION Gw Well—graded gravels or gravel and Inorganic silts and very fine sands sand mixture* little or no fines AIL rack flour, silty or clayey fine GRAVEL GP Poorly—graded gravels or gravel SILTS sands or clayey silts with shgi µo sand mixture, little or no fines AND Plasticity CftAVELLr Silty gravels gravel—sand—slit CLAYS Inorganic clays or low to medeum Spas GM mixtures LL <50 CL plasticity, gravelly clays, sandy clays, lean claysCOARSE Gc l Clayey gravais, gravel—sand—cls GRAINED mixtures y RNE OL of gasilts low plasticity d organic spit—clays SOILS SIN Well—graded sands or gravelly GRAINED Inorganic clays or law to medium { sands, little or no fines SOILS org lrgrat AIH plasticity. gravelly clays sandy SAID Poo — ruded zones or clays, lean clays AND SP ►lY 9 gravely SILTS sand mixture, little or no fines AND Inorganic clays of high plasticity SANDY CLAYS C" fat clays SOILS SJ Slity sands, sated—silt mixtures LL >50 OH Organic clays of medium to high SC plasticity OILS Ciayay sands, sand—silt mixtures HIGHLY ORGaNIC PT peat and other higsaes hiy organic S Sand packDepththrough which sampler is driven ■ Bentonite annular seal Relatively undisturbed sample Neat cement annular seal Messed sample Blank PVC V Ground water level 71 observed In boring © Machine—slatted PVC 5-10 Sample number PID Photolonlzation detector reading PVC Centralizer BLOW/FT REPRESENTS THE NUMBER OF BLOWS OF A 140—POUND HAMMER FALLING 30 INCHES TO DRIVE THE SAMPLER THROUGH THE LAST 12 INCHES OF AN 18 INCH PENETRATION DASHED LINES SEPARATING UNITS OF THE LOG REPRESENT APPROXIMATE BOUNDARIES ONLY ACTUAL BOUNDARIES MAY BE GRADUAL. LOGS REPRESENT SUBSURFACE CONDITIONS IN THE BORING AT THE TIME OF DRILLING ONLY UNIFIED SOIL CLASSIFICATION SYSTEM PLATE AND SYMBOL KEY _--�� Unocal Service Station Na 8981 3 4707 Pacific Avenue PROJECT NO. 38032 8032G3A Stockton, Califorda