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Grain Size Distribution Analysis
<br />Jab No. 943-2732 Sample No. 5-12
<br />Project BEI ! 1994 COA ! CO Location Heap Leach Pad
<br />Filename S5-12A.WK1 Date 11-Oct-94
<br />Comments Quality Assurance Sample Taken From 35,900E and 48,9o0N
<br />Drain Cover Fill
<br />Water Content Determination No. 200 Wash
<br /> Tare No.
<br />Tare No. 0-04 Wet Wt. & Tare (Bef.) gr
<br />Wet Wt. and Tare 1243.7 gr Dry Wt. 8 Tare (Bef.) gr
<br />Dry WL and Tare 1166.7 gr Dry Wt. & Tare (Afl.) gr
<br />Tare Wt. 166.3 gr Tare WL gr
<br />WI. water 77.0 gr Wt. Fines Lost gr
<br />Wt. Dry Soil 1000.4 gr WI. Dry Soil gr
<br />Moisture Content 7.7 % Percent Lost %
<br />Sieve
<br />No. Opening
<br />Diameter
<br />
<br />(microns) CUmmulative
<br />Weigh
<br />Retained
<br />(gams) Weight
<br />Retained
<br />
<br />(grams) Weight
<br />Finer
<br />Than
<br />({yams) Sieve
<br />Weight
<br />Finer
<br />(grams) Total
<br />Weight
<br />Finer
<br />(grams) Percent
<br />Finer
<br />Than Drain
<br />Cover
<br />Spec.
<br />bin. 152400 0.0 0.0 0.0 24,567.3 24,567.3 100.0
<br />tin. 50800 0.0 D.0 0.0 24,567.3 24,567.3 100.0
<br />1 1/2 in. 38100 D.0 0.0 566.4 24,567.3 24,567.3 100.0 100
<br />1 in. 25400 566.4 566.4 4,789.7 24,000.9 24,000.9 97.7
<br />3l4 in. 19100 5,356.1 4,789.7 9,064.13 19,211.2 19,211.2 78.2 70-100
<br />3/8 in. 9500 14,420.9 9,064.8 4,076.9 10,146.4 10,146.4 41.3 40-70
<br />4 4760 18,497.7 4,076.9 1,824.6 6,069.6 6,069.6 24.7 5-50
<br />10 2000 20,322.3 1,824.6 1,101.1 4,245.0 4,245.0 17.3
<br />20 840 21,423.5 1,101.1 626.8 3,143.8 3,143.8 12.8
<br />40 420 22,050.3 626.8 396.5 2,517.1 2,517.1 10.2 0-20
<br />60 250 22,446.8 396.5 317.9 2,120.5 2,120.5 8.6
<br />100 149 22,764.7 317.9 328.5 1,802.6 1,802.6 7.3
<br />200 74 23,093.2 328.5 1,474.1 1,474.1 1,474.1 6.0 0-8
<br />Pan 24,567.3 1,474.1
<br />Index
<br />Liquid Limit
<br />Plastic Limit
<br />Plasticity Index NP
<br />Technician AR
<br />Approved TM
<br />Grain Size Distribution
<br />Golder Associates Inc.
<br />
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