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Particle Size Distribution <br />< <_ _= o <br />.. of N <br />Report <br />0 00 0 0 °0 <br />1 90 <br />80 <br />70 <br />cc <br />w 60 <br />Z <br />U 50 <br />0L <br />w 40 <br />0_ <br />30 <br />20 <br />11111 <br />I <br />11111 <br />11 <br />lUl <br />I <br />111 <br />1 <br />II <br />111 <br />1111 <br />i <br />111 <br />111 <br />i <br />i <br />• <br />11111 <br />/1111 <br />111111 <br />� <br />1 � <br />1 <br />100 10 1 0 1 0.01 0.001 <br />GRAIN SIZE - mm. <br />% +3" <br />% Gravel <br />% Sand <br />% Fines <br />Coarse <br />Fine <br />Coarse <br />Medium <br />Fine <br />Silt Clay <br />50.3 <br />22.4 <br />11.5 <br />4.2 <br />5.3 <br />2.9 <br />3.4 <br />SIEVE <br />SIZE <br />PERCENT <br />FINER <br />SPEC. <br />PERCENT <br />PASS? <br />(X =NO) <br />Material Description <br />Brown poorly graded gravel with silt and sand <br />Atterberg Limits <br />8 <br />6 <br />3 <br />2 <br />1.5 <br />1 <br />.75 <br />.5 <br />.375 <br />#4 <br />#10 <br />#20 <br />#40 <br />#50 <br />#100 <br />#200 <br />100.0 <br />76.8 <br />49.7 <br />43.4 <br />36.7 <br />30.6 <br />27.3 <br />22.4 <br />19.3 <br />15.8 <br />11.6 <br />8.4 <br />6.3 <br />5.6 <br />4.3 <br />3.4 <br />PL= NP LL= NV PI= NP <br />Coefficients <br />D90= 180.6912 D85= 169.9650 D60= 111.5317 <br />D50= 77.5241 D30= 24.1067 D15= 3.9496 <br />D10= 1.3536 C 82.40 C 0 = 3.85 <br />Classification <br />USCS= GP -GM AASHTO= A -1 -a <br />Remarks <br />(no specification provided) <br />Location: N 3843190 W 10508684 <br />Sample Number: SF -19 -R Depth: 10160' Date: 8/11/2009 <br />AM EC Earth <br />& Environmental, Inc. <br />Englewood CO <br />Client: Cripple Creek & Victor Gold Mining Company <br />Project: CC &VCQAPhase5 <br />Project No: 84201125E0 Figure SF - - <br />• <br />• <br />Tested By: SM /MTH <br />Checked By: JDH <br />