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• <br />Project: Cripple Creek Hydrogeochemistry <br />Task: Neutralization of Pyrite Oxidation Products <br />T 604-224-4331 F:604-224-0540 <br />Vizon SciTec Inc 3650 Wesbrook Mall <br />• • <br />SOLUTION CHEMISTRY Date: 4/8/2008 <br />Page 3-1 <br />www.vizonscitec.com <br />vancouver, uL <br />Canada WS 21-2 <br />VIZON <br />? SCI T E C <br />Solution Chemistry of Cripple Creek Neutralization Test Samples - March 2006 with ICP-MS re-runs done in June 2006) <br />Head Analvsis Or_irtity-ml n n1N <br />Soln Vol** pH EC ORP S04 Vol NaOH in mLs Acidity Alk HC03 TDS Cl Nitrate <br /> mL (Ns) my (mg/L) mL >pH 4.5 > pH 8.3 (mg/L * mg/L)* (m /L * m /L m /L m /L <br />A #N/A 2.45 2430 500 728 10 13.00 17.15 858 #N/A #N/A 912 <2 0.48 <br />B #N/A 2.62 1494 450 285 10 6.35 8.10 405 #N/A #N/A 414 <2 0.45 <br />C #N/A 2.47 1940 450 5.91 10 10.85 13.50 675 #N/A #N/A 834 <2 0.70 <br />D #N/A 4.84 387 260 137 10 #N/A 1.80 90 3 1.8 270 3 0.83 <br />i est i : Neutralization nv Naturai caicne <br />A 398 8.09 3050 145 1650 50 #N/A 0.55 6 175 105.5 2826 <2 0.67 <br />B _ 388 7.95 <br />_ _309_0_ 150 1703 50 #N/A 0.75 8 124 75.0 2786 <2 0.73 <br />C 344 8.04 2970 150 1645 50 #N/A 0.50 5 150 90.5 2842 <2 0.65 <br />D 374 8.06 3070 150 1741 50 #N/A 0.35 4 96 57.9 2766 <2 0.69 <br />i est z : Neutralization ov t;aicium caroonate <br />A 214 7.96 1403 155 567 35 #N/A 0.45 6 107 64.7 984 5 1.19 <br />B 320 8.06 741 155 234 50 #N/A 0.20 2 77 46.4 460 6 0.74 <br />C 281 8.10 1213 155 496 30 #N/A 0.15 3 101 60.9 886 7 0.81 <br />D 302 7.79 362 155 78 50 -#N-/A 0.20 2 44 26.7 146 7 0.83 <br />i esr s : Neuirauzanon nv u_uaN t-aicurm nvarnxaae <br />A 500 6.80 1232 160 629 50 #N/A 0.65 7 7 4.3 936 <2 0.34 <br />B 500 6.73 795 165 331 50 #N/A 0.65 7 7 4.3 548 3 0.40 <br />C 500 5.99 1153 180 542 50 #N/A 0.60 6 5 3.0 796 <2 0.45 <br />D 500 6.72 456 175 124 50 #N/A 1.15 12 13 7.9 238 3 0.37 <br />i esi w : Neutranzanon ov u_-i N aoamum nvnroxiae <br />A 500 6.32 1819 170 720 50 #N/A 0.55 6 8 4.9 1018 6 <0.2 <br />B 500 6.33 1010 185 391 50 #N/A 1.10 11 6 3.7 572 5 0.50 <br />C _ _ 500 _ 6.58 __1618_ 180 646 50 #N/A 0.20 2 7 4.3 878 7 <0.2 <br />D 500 6.88 456 185 110 50 #N/A 0.90 9 13 7.9 236 4 0.35 <br />uetecrron limns <br />- - - 1 - 1 1 1 1 1 1 2 0.2 <br />*Acidity, Alkalinity, Bicarbonate reported as mg CaC03/L equivalent **In Test 1 and Test 2 solution volume recovered as filtrate <br />. Adrian Brown Consultants, Inc.