Laserfiche WebLink
UNIFIED SOIL CLASSIFICATION SYSTEM <br /> f Major Division Ltr. Description Major Division Ur. Description <br /> Well—gr,ded Gravels or Inorganic Silts and very <br /> GW Gravel—Sand mixtures, fine Sands, rock flour, <br /> little or no fines. YL Silty or Clayey fine Sands, <br /> or Clayey Silts with slight <br /> plasticity. <br /> Poorly—graded:Gravels or SiltsGP Gravel—Sand mures, Inorganic Clays of low to <br /> Gravel {ittla or no finand CL medium plasticity. Gravelly <br /> and Clays cam, Sandy la", Silty <br /> Gravelly LL<50 Clays. <br /> Soils Gkl Silty Grovels, Gravel—Sand— <br /> Silt mixtures. <br /> OL Organic Silty and Organic <br /> Fine— <br /> Silt—Clays of low plasticity, <br /> Coarse— Clayey Gravel, Gravel—Sand— (Drained <br /> Grained Clay mixtures. <br /> Soils Inorganic Silts, micaceous <br /> Solis WH or diatomaceous fine <br /> Waal—graded Sand or <br /> Sandy <br /> or Silty soils, <br /> SW Gravelly Sande, little or elasticSilts, <br /> no fines. Silts <br /> and Inorganic Clays of high <br /> Sand Poorly—graded Sands or Clays CH plasticity, rat clays, <br /> SP Gravelly Sands, little or LL>50 <br /> and no fines. <br /> Sandy <br /> Soils Organic Clays of medium <br /> Sm Silty Sands, Sand—Silt OH to high plasticity, organic <br /> mixtures, Silts. <br /> Sc Clayey Sands, Sand—Cloy HighlyFr TPoot.pnd other highly <br /> SOIISmixtures. ic wile. <br /> WELL CONSTRUCTION SYMBOLS <br /> IDepth through which ; , <br /> sampler is driven Neat cement <br /> sample <br /> Relatively undisturbed Sand pack <br /> p (Monterey Sand #3) <br /> No sample recovered <br /> ■ Bentonite <br /> Static water level <br /> observed in well/boring Blank PVC <br /> Initial water level <br /> observed in well/boring <br /> S-10 Sample number LW Machine—slotted PVC <br /> Note: Blows represent the number of blows of a 140—pound hammer <br /> falling 30 Inches to drive the sampler through each <br /> 5 Inches of an 18—inch penetration, <br /> Dashed lines separating formations on the log represent approximate <br /> boundaries only. Actual boundaries may be gradual. Logs represent <br /> subsurface conditions at the boring location at the time of drilling only. <br /> HORIZON ENVIRONMENTAL INC. BORING LOO SYMBOL KEY <br />