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Particle Size Distribution Report <br />C C C C _ y O O O O t o p 8 V 0 <br />N 0 <br />co m N \ m a # # # # 3t <br />100 <br />90 <br />80 <br />70 <br />CC <br />W 60 <br />Li <br />H <br />Z 50 <br />Ill <br />0 <br />W 40 <br />a <br />30 <br />20 <br />10 <br />0 <br />I <br />I <br />- ' <br />I <br />n I <br />i\ I <br />r‘ <br />� v <br />� <br />i <br />I <br />I <br />I <br />Drain Cover Fill <br />v <br />n <br />I <br />1 1 <br />1 <br />I <br />1 <br />1 <br />i' <br />1 <br />1 <br />, <br />I I <br />I I <br />I I <br />i <br />i <br />{ <br />I. I 1 <br />I <br />I <br />I <br />, <br />t <br />- <br />1 <br />I <br />I <br />I <br />i <br />i <br />I <br />I <br />I <br />- 0 - 1 <br />Y <br />I <br />100 10 1 <br />GRAIN <br />0.01 0.001 <br />SIZE - mm. <br />% +3" <br />% Gravel <br />% Sand <br />% Fines <br />Coarse <br />Fine <br />Coarse <br />Medium <br />Fine <br />Silt 1 Clay <br />0.0 <br />21.6 <br />40.7 <br />9.7 <br />11.3 <br />9.5 <br />7.2 <br />SIEVE <br />SIZE <br />PERCENT <br />FINER <br />SPEC. <br />PERCENT <br />PASS? <br />(X =NO) <br />Material Description <br />Light brown poorly graded gravel with silt and sand <br />Atterberg Limits <br />1.5" <br />1.0" <br />.75" <br />.5" <br />375" <br />#4 <br />#10 <br />#20 <br />#40 <br />#50 <br />#100 <br />#200 <br />100.0 <br />91.1 <br />78.4 <br />58.3 <br />50.0 <br />37.7 <br />28.0 <br />21.0 <br />16.7 <br />15.1 <br />10.9 <br />7.2 <br />100.0 - 100.0 <br />70.0 - 100.0 <br />5.0 - 50.0 <br />0.0 - 8.0 <br />PL= NP LL= NP PI= NP <br />Coefficients <br />D90= 24.6376 D85= 21.8161 D60= 13.2388 <br />D50= 9.5451 D30= 2.4621 D15= 0.2962 <br />D10= 0.1277 C 103.66 C - 3.59 <br />Classification <br />USCS= GP -GM AASHTO= A -1 -a <br />Remarks <br />Natural Moisture: 4.4% <br />Drain Cover Fill <br />Location: N end of P -537 <br />Sample Number: DCF -39 -R Depth: 2' Date: 10/13/10 <br />AM EC Earth <br />& Environmental, Inc. <br />Englewood, CO <br />Client: Cripple Creek & Victor Gold Mining Company <br />Project: CC &V CQA Phase 5 <br />Project No: 84201125E0 Figure DCF - - <br />• <br />• <br />• <br />Tested By: RL /MMC <br />Checked By: JDH <br />