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Particle Size Distribution Report <br /> <br />• <br />• <br />,oo <br />90 <br />80 <br />70 <br />W 60 <br />Z <br />LL <br />Z 50 <br />W <br />U <br />W 40 <br />0_ <br />30 <br />20 <br />10 <br />0 <br />SIEVE <br />SIZE PERCENT <br />FINER SPEC.` <br />PERCENT PASS? <br />(X=NO) <br />2 in. 100.0 <br />1.5 in. 97.4 <br />1.0 in. 90.8 <br />.75 in. 84.6 <br />.5 in. 74.5 <br />.375 in. 66.9 <br />#4 44.6 <br />#10 36.3 <br />#20 28.3 <br />#30 25.6 <br />#50 20.6 <br />#100 16.9 <br />#200 14.2 <br />Soil Description <br />Brown Silty gravel with sand <br />Atterbera Limits <br />PL= 20 LL= 13 PI= 33 <br />Coefficients <br />D85= 19.4 D60= 7.72 D50= 5.76 <br />DgO= 1.02 D15= 0.0933 D10= <br />Cu= C~= <br />Classification <br />USCS= GM AASHTO= <br />Remarks <br />Tested by TB <br />Checked by RS <br />(no specification provided) <br />Sample No.: 7-125-23 Source of Sample: SWTP Date: 06/19/2007 <br />Location: SWTP-122 EIev.IDepth: 0.0'-10.0' <br />Client: Cripple Creek and Victor Gold Mining Company <br />Smith Williams Consultants Project: Valley Leach Facility- Phase 5 Geotechnical Engineering <br />Project No: 1125 Sam le Number 7-125-23 <br />GRAIN 51ZE - mm <br />COBBLES % GRAVEL % SAND % SILT % CLAY <br />0.0 55.4 30.4 14.2 <br />