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~~ A s c I <br />-4snv:..u an~c~sswnort <br />s. <br />DATA EVALUATION: CYTOX PROCESS <br />' The Cytox process is designed to reduce the free cyanide levels in the tailings prior <br />to discharge to the tailings facility. Cytox, a zinc/iron sulphate, reacts with the free <br />cyanide to produce non-reactive, metallo cyanide complexes. <br />Pre-detox (pre-Cytox) levels of free cyanide from sample M1 are between 184 and <br />188 mg/L. Post-detox levels of free cyanide are calculated to be a theoretical <br />maximum of 32 mglL in the lower pondlcollection pond and more realistically a <br />maximum value in the range of 15 mg/L to 22 mg/L. <br />' Accordingly, the Cytox addition is apparently successful in reducing the free cyanide <br />to 8°~ to 1 7% of the level in the original tailings slurry. <br />1 <br />1 <br />i <br />1 <br />1 <br />i <br />10 <br />