Risk management of chlorinated substances which are harmful to human health and the environment is a challenging issue. Canada’s approach to the management of toxic chlorinated substances is outlined in the Chlorinated Substances Action Plan (CSAP). This approach is based on the scientific community’s conclusion that current evidence does not support a complete ban on all uses and releases of chlorine and chlorinated substances. However, there is scientific evidence that the use or release of certain toxic chlorinated substances should be virtually eliminated or significantly reduced. Simply put, the approach is to "prune the chlorine-use tree, not cut it down". 

The Chlorinated Substances Action Plan is part of an overall federal strategy to protect human health and the environment from the effects of toxic substances. This science-based action plan includes both regulatory and non-regulatory measures targeting chlorinated substances of concern. It is an important component of Canada’s domestic and international efforts to address those substances that threaten our health and the environment.

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