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<br />a` a~ - ~ +^e <br />~n. <br />~~ . <br />Table 1: Comparative Analyses for Cyanide and Metallo-Cyanide Transition Metals in Tailings Samples <br />Battle Mountian Resources: San Luis Project ~ ,~, <br />SAMPLE DESCRIPTION <br /> 1 2 3 4 <br /> Pre-Detoxification Spigott Lower Pond Collection Pond <br /> Lab A Lab C Lab A Lab C Lab A Lab C Lab A Lab C <br />Total Cyanide ' 450 387/383 340 290 230 189 160 126 <br />WAD Cyanide -" 358 360 -•' 310 166 200 112 <br />"Free" Cyanide 290 (423) 150 (307) 110 (226) 93 149 <br />Thiocyanate - 154 - 148 - 125 - 102 <br />Cr <0.05 <0.01 <0.05 <0.1 <0.05 <0.01 <0.05 <0.01 <br />Co 0.82 0.89 0.55 1.04 0.80 0.86 0.96 1.04 <br />Cu 210 205 200 193 170 162 120 96 <br />Fe 2.30 2.68 6.2 9.96 1.2 1.17 1.1 1.15 <br />Hg 0.0002 <0.0003 0.0001 <0.0003 <0.0001 <0.0003 <0.0001 <0.0003 <br />Mn <0.05 <0.01 1.1 0.07 0.62 0.09 2.8 0.27 <br />Ni 0.50 0.49 0.50 0.55 0.50 0.46 0.70 0.60 <br />zn 1.9 1.43 10 1.2 0.71 0.19 0.43 0.11 J <br />• Total cyanide: Lab A - Autoanalyzer; Lab C -Manual <br />WAD Cyanide: Std. Methods 4500-C <br />- Wet f)et~; r~ R,-,~ <br />' All samples @ pH 12 <br />•' See Section 4.3 <br />• <br />• <br />