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Mercury and its Compounds

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Adding Substances to Schedule 1 of the Canadian Environmental Protection Act

Mercury and its compounds have been included in a final Order to add to Schedule 1.


Mercury is currently on the List of Toxic Substances found in Schedule 1 to the Canadian Environmental Protection Act, 1999 (CEPA 1999). There is sufficient international evidence that significant global adverse impacts may result from the release of mercury and its compounds to the environment to warrant further action to reduce risks to human health and the environment.

The proposed amendment to Schedule 1 to CEPA 1999 to read "mercury and its compounds" will enable the Government of Canada to move forward on Canada's current proposed actions to manage mercury and its compounds and other sources of mercury in the future.

It is believed that mercury and its compounds are entering the environment in a quantity or concentration that may have harmful immediate or long-term effects on the environment or its biological diversity. As a result, mercury and its compounds constitute or may constitute a danger to the environment on which life depends. In addition, mercury and its compounds may be entering the environment in a quantity or under conditions that constitute or may constitute a danger to human life or health in Canada. Based on this information, it is therefore considered that mercury and its compounds meet the criteria set out in section 64 of CEPA 1999.

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