Sources of pollution: metals and mineral processing

Environment Canada works to address the environmental impacts of metals and mineral processing.  The main processing phases are separation of valuable minerals from unwanted minerals, recovery of valuable minerals from the ore, and metals production and refining.  Most of the emissions from processing are to air, but some are also to water and land. 

Canada’s provinces have primary jurisdiction over metals and mineral processing.   The main federal law that applies to processing is the Canadian Environmental Protection Act, 1999 (CEPA 1999).   Canada’s Minister of the Environment is responsible for CEPA 1999, and other relevant laws that may impact processing activities, such as the International River Improvements Act, the Migratory Birds Convention Act, the Species at Risk Act, and the Fisheries Act.  

The following sectors do processing activities:

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