2009-07-07_REPORT - M1980244 (7)

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Particle Size Distribution Report 2 0 0 0 SIEVE SIZE PERCENT FINER SPEC.' PERCENT PASS? (X =NO) 1.5 100.0 100 Cu= 28.48 1 - - - - - -- Drain Cover Fill Classification 90 .75 71.6 70.0-100.0 80 49.3 .375 70 #4 29.8 5.0-50.0 #10 18.9 W 80 #20 12.3 Z #40 8.9 LL 7.8 #100 Z 50 \ 4.6 W U W 40 EL 30 20 10 ------ - - - 0 - -- -- --- - - - - -- 100 10 1 0.1 0.01 0.001 GRAIN SIZE - mm. %+3" % Gravel % Sand % Fines Coarse Fine Coarse Medium Fine Silt Clay 0.0 28.4 41.8 10.9 10.0 4.3 4.6 SIEVE SIZE PERCENT FINER SPEC.' PERCENT PASS? (X =NO) 1.5 100.0 100.0 - 100.0 Cu= 28.48 1 86.9 Classification .75 71.6 70.0-100.0 .5 49.3 .375 40.3 #4 29.8 5.0-50.0 #10 18.9 #20 12.3 #40 8.9 #50 7.8 #100 5.8 #200 4.6 0.0-8.0 Material Description Grey well - graded gravel with sand Atterberg Limits PL= NP LL= r PI= NP Coefficients D90= 27.4412 D85= 24.3866 D60= 15.6479 D50= 12.9019 D30= 4.8119 D15= 1.2897 D10= 0.5495 Cu= 28.48 Cc= 2.69 Classification USCS= GW AASHTO= A -1 -a Remarks Drain over Fill Location: N 3843672 W 10509314 Sample Number: LOBDCF -3 -R Depth: 10035 Date: 5/4/2009 AMEC Earth & Environmental, InC. Client: Cripple Creek & Victor Gold Mining Company Project: CC &V CQA Phase 5 Elko, NV Tested By: SM Checked By: No. LOBDCF -3-