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Mining companies and Aboriginal communities should note the upcoming Regulations Amending the Metal Mining Effluent Regulations. The proposed amendments would allow the Detour Lake Gold Mine to use four water bodies for tailings impoundment when the capacity of existing tailings and waste rock disposal areas is reached beginning in 2019. The proposed amendments were published in the Canada Gazette Part I on February 8, 2014, for a 30-day public comment period, which ended on March 10, 2014.

Also noteworthy are Environment Canada’s plans to streamline the approvals process for metal mines with Tailings Impoundment Areas by exempting future requests to add water bodies to Schedule 2 of the Metal Mining Effluent Regulations from publication in Part 1 of the Canada Gazette.

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