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PERMFILE136825
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PERMFILE136825
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Last modified
8/24/2016 10:37:27 PM
Creation date
11/26/2007 5:10:54 AM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
M1988112
IBM Index Class Name
Permit File
Doc Date
3/22/1989
Doc Name
MINUTES
Media Type
D
Archive
No
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-9- <br />• We have addressed the cyanide detoxification for the heap itself. We <br />have established a 0.2 parts per million detoxification standard for this. <br />The detoxification would be measured in parts per million free cyanide. This <br />detoxification process will be accomplished by rinsing, initially, the heap <br />and the ponds with a hydrogen peroxide solution. And then continued rinsing <br />with that solution, as well as the addition of fresh water, to achieve the 0.2 <br />ppm. There will be some cyanide used in the mill facility itself and the <br />tails will be detoxified also to 0.2 per million free cyanide. This will be <br />measured at the point of deposition within the waste rock disposal facility. <br />If the 0.2 is exceeded, the material may not be deposited there out it will <br />need to be detoxified to that standard. <br />Do you have any questions you want to ask, as far as operations or <br />reclamation? I think that summarizes it in a nutshell what we have on the <br />proposal. <br />MR. BARRY: What kind of time frame are we talking about? <br />• MR. RENNER: It's a seven year, life of mine. <br />MR. BARRY: Seven? <br />MR. RENNER: Yes. ARy other questions? <br />MR. BARRY: And Bond? <br />MR. RENNER: I can address the bond now or in my follow up as to what the <br />four major issues were. <br />Is there anything else? As Fred indicated, we have had discussions with <br />the Company and the objectors over the course of the last month <_,ince the <br />Board meeting. The four issues we discussed were the emergency response plan, <br />the slurry wall design, the buttress design, and the amount of financial <br />warranty . <br />lI <br />
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