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90 <br />0 70 <br />< 60 <br />a. <br />50 <br />a. 40 <br />HYDROMETER ANALYSIS <br />1 <br />SIEVE ANALYSIS <br />TIME READINGS <br />25 HR. 7 HR. <br />45 MIN. 15 MIN. 60 MIN. 19 MIN. 4 MIN. 1 MIN. *200 *100 *50 '40 *30 '16 ^10 *8 <br />100 <br />30 <br />20 <br />10 <br />:1 <br />180 <br />.001 0.002 <br />U.S. STANDARD SERIES <br />t —4 <br />.074 .149 .297 0.42.590 1.19 2.0 2.38 4.76952 19.1 <br />DIAMETER OF PARTICLE IN MILLIMETERS <br />CLEAR SQUARE OPENINGS <br />•4 318" 314" 1'.6" 3" 5"6" 8" <br />36. <br />76.2 127 200 <br />152 <br />20 <br />30 <br />40 <br />CLAY (PLASTIC) TO SILT (NON-PLASTIC) <br />SANDS <br />FINE 1 MEDIUM 1COARSE <br />GRAVEL <br />FINE j COARSE 1 COBBLES <br />Sample of TAILINGS <br />From <br />25 HR. 7 HR. TIME READINGS U.S. STANDARD SERIES <br />45 MIN. 15 MIN 60 MIN. 19 MIN. 4 MIN 1 MIN. '200 "100 ^50 '40 *30 '16 '10 '8 <br />100 <br />90 <br />80 <br />0 70 <br />SO <br />50 <br />a' 40 <br />30 <br />20 <br />10 <br />HYDROMETER ANALYSIS <br />1 <br />SIEVE ANALYSIS <br />CLEAR SQUARE OPENINGS <br />'4 3/8" 314" 114" 3" 5'6" 8" <br />0 <br />10 <br />20 <br />70 <br />80 <br />90 <br />100 <br />0 . <br />• .001 0.002 .005 .009 .019 037 .074 .149 .297 590 1.19 20 2.38 4.76 9.52 191 36.1 76.2 127. 200 <br />042 152 <br />DIAMETER OF PARTICLE IN MILLIMETERS <br />30 w o <br />40 <br />cr <br />50 z <br />60 l et <br />CLAY (PLASTIC) TO SILT (NON <br />SANDS <br />FINE 1 MEDIUM 'COARSE <br />GRAVEL <br />FINE I COARSE COBBLES <br />Sample of CLAY, SANDY (CO <br />From Modified Tailings <br />THE UNION MILLING COMPANY <br />TAILING POND <br />PROJECT NO. DN45,584-130 <br />SAPROJECTS14550010N45584.000\130\3. Letters11.11DN45584-130-L1-X1(arad) <br />GRAVEL 0 % SAND 50 % <br />SILT & CLAY 50 % LtaulbLiMif % <br />PLASTICITY INDEX % <br />GRAVEL 0 % SAND 56 % <br />SILT & CLAY 44 % LIQUID LIMIT % <br />PLASTICITY INDEX <br />Gradation <br />Test Results <br />FIG. A-4 <br />