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Particle Size Distribution Report <br />• <br /> <br />• <br />,oo <br />90 <br />SO <br />70 <br />W 60 <br />Z <br />u._ <br />Z 50 <br />W <br />U <br />W 40 <br />a <br />30 <br />20 <br />10 <br />0 <br />SIEVE <br />SIZE PERCENT <br />FINER SPEC." <br />PERCENT PASS? <br />(X=NO) <br />3 in. 100.0 <br />2 in. 99.1 <br />1.5 in. 97.3 <br />1.0 in. 93.0 <br />.75 in. 91.7 <br />.5 in. 88.4 <br />.375 in. 86.1 <br />#4 59.2 <br />#10 47.2 <br />#20 40.4 <br />#30 37.1 <br />#50 30.3 <br />#100 23.1 <br />#200 18.1 <br />Soil Descriation <br />Brown Silty sand with gravel <br />Atterberg Limits <br />PL= 26 LL= 32 P1= 6 <br />Coefficients <br />D85= 9.05 D60= 4.86 D50= 3.09 <br />D30= 0.292 D ~ 5= D ~ 0= <br />Cu= Cc= <br />Classification <br />USCS= SM AASHTO= <br />Remarks <br />Tested by Tess <br />Checked by RS <br />(no specification provided) <br />Sample No.: 7-125-13 Source of Sample: SWTP Date: 06/19/2007 <br />Location: SWTP-91 Elev./Depth: 5.0' <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 7-125-13 <br />GRAIN SIZE - mm <br />COBBLES % GRAVEL % SAND % SILT % CLAY <br />0.0 40.8 _ 41.1 18.1 <br />