ARCHIVED REPORTS_XR0005843 CASE 1

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UNIFIED SOIL CLASSIFICATION SYSTEM MAJOR DIVISIONS LTR I DESCRIPTION MAJOR DIVISIONS LTR DESCRIPTION GW Weil—graded grovels or gravel and Inorganic slits and very fine sands, sand mixtures little or no fines. NL rock flour, silty or clayey fine Poody—graded gravde or gravel SILTS sands or clayey silts with slight GRAVEL lP sand mixture, little or no finee AND Plasticity AND CLAYS Inorganic clays or low to medium GRAVELLY Silty gravels gravel—sand—silt LL <50 CL plasticity, gravelly clays, sandy SOLS GM mixtures clays, lean days COARSE GC Clayey gravels, gravel—sand—clay Organic silts and organic slit—clays GRAINED mixtures FINE OL of low plasticity Sol LS SWSOILSsande or gravelly SOILS GRAINED inorganic cloys or lowto medium , sands, little or no fines MH plasticity, gravelly clays, sandy SAND Poorly—graded sands or gravelly SILTS clays, lean days AND SP sand mixture, little or no fines AND Inorganic clays of high plasticity, SANDY CLAYS CH Fat clays SOILS SM silty sands, sand—slit mixtures LL >50 OH Organic clays of medium to high plasticity SC Clayey sands, sand—silt mixtures HIGHLSYOIOSRGANIC PT peat and other highly organic sods F-1 Sand pack T Depth through which I sampler is driven ■ Bentonite annular seal i Relatively undisturbed sample Neat cement annular seal Missed sample Blank PVC V Ground water level observed In boring © Machine--slotted PVC S-10 Sample number PVC Centralizer PID Photoionlzation detector reading i 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 1$ 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 i. �ff_ UNIFIED SOIL CLASSIFICATION SYSTEM PLATE �-- AND SYMOL KEY VAPMU ARCO Service Station No. 6020 A FILE NO 1711 Yosemite PROJECT NO. 30066 0055E13A Manteca, California i