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UNIFIED SOIL CLASSIFICATION SYSTEM <br /> MAJOR MAJOR LTR DESCRIPTION <br /> DIVISIONS LTR DESCRIPTION DIVISIONS <br /> cv <br /> Well-graded gravels or gravel and Inorganic sifts and very fine sands, <br /> sand mixtures, little or no fines. ML rock flour, silty or clayey Fane <br /> o <br /> s <br /> SILTS sands clayey silts with slight <br /> Gp Poorly-Graded grovels or gravel n ds o <br /> GRAVEL sand mixture, tittle or no fines. AND s <br /> AND CLAYS Inorgonic clays or low to i<edium <br /> GRAVELLY GM Silty gravels, grovel-sand-sdt LL<50 CL plasticity, gravelly clays, sandy <br /> SOILS mixtures- clays, lean clays: <br /> y - GC Clayey grovels, grovel-sand-clayOL Organic slits and organic silt-clays <br /> COARSE mixtures. FINE of low plasticity. <br /> -- GRAINED GRAINED [norqomit cin s or low to medium <br /> SOILS SV Well-graded sands or gravelly SOILS lastidt raved cla s sandy <br /> sands, little Or' no fines. MH P Y 0 Y Y <br /> SILTS clays, lean clays. <br /> SAND Sp Poorly-graded sands or gravelly AND Inorganic clays of high plasticity, <br /> AND sand mixture, little or no Flnas: CLAYS CH Fat Clays. <br /> SANDY <br /> SOILS SH Silty sands, sand-silt mixtures. LL )50 OH Orgontc days of medium to high <br /> oasticlty, <br /> Cloyay sands, sand-silt mixtures: HIGHLY ORGANIC PT Peat and other highly organic soils. <br /> SOILS <br /> Blank PVC Sand pack <br /> i <br /> PMachine-slotted PVC BentOnl�te annu€ar seal <br /> Neat cement annular seat <br /> Depth through which Ground water level <br /> sampler is driven. • <br /> observed in boring <br /> Relatively undisturbed sample (10) Sample number <br /> Missed sample PID Photoionlzatlon detector reading <br /> BLOW/FT. RE-PRESENTS THE NUMBER OF BLOWS <br /> OF A 140-POUND HAMMER FALLING 30 INCHES <br /> TO DRIVE TNF SAMPLER THROUGH THE LAST <br /> 1R INCHES OF AN 18 INCH PENETRATION, UNIFIED SOIL CLASSIFICATION SYSTEM <br /> DASHED LINES SEPARATING UNITS OF THE LOG Moore PetroleuM, Inc, <br /> --------------- 5491 F Street <br /> -REPRESENT APPROXIMATE--BOUNDARIES---ONLY.---.--------____-- <br /> ACTUAL BOUNDARIES MAY BE GRADATI❑NAL, <br /> LOGS REPRESENT SUBSURFACE CONDITIONS IN PROJECT NO. PREPARED BY, Nations <br /> THE BORING AT THE TI'IE OF7RILLING ONLY. 10-90-481 Groundwater _ <br /> AUTOCAD NR. REVIEWED BYi Associates = <br /> 90-481-1/B <br />