Audit, Compliance and Risk Blog

Among its many provisions, the Canadian Environmental Protection Act (CEPA) creates several lists of “toxic substances,” and empowers Environment and Climate Change Canada (ECCC) to revise the list. In 2021, ECCC add “plastic manufactured items (PMI)” to one of these lists, but was sued by manufacturers seeking to void the addition.  Extensive CEPA amendments were enacted in April 2023 (“Strengthening Environmental Protection for a Healthier Canada Act” (Bill S-5)), including revisions to the toxic substance lists – including recodification of the listing of PMI – and left ECCC’s authority over toxic substances relatively unchanged, so the litigation continued. In November 2023, the Federal Court ruled that the CEPA amendments did not moot the issues in the litigation, and ruled that ECCC had exceeded its statutory and constitutional authority when listing PMI.

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The Canadian Environmental Protection Act of 1999 (CEPA) provides a variety of federal environmental protection provisions throughout Canada. The Minister of the Environment and Climate Change (the Minister; who oversees Environment and Climate Change Canada (ECCC), and to which I attribute CEPA authorizations in this note) prepares regulations (including lists of chemicals regulated in different circumstances), and conducts additional planning, regulatory and enforcement activities. In particular, CEPA authorizes the Minister to issue Pollution Prevention Notices (P2 Notices) directing targeted entities to prepare P2 Plans to improve management of any listed “Toxic Substance” in order to reduce environmental impacts. The rest of this note summarizes P2 requirements, which will be revised to conform with CEPA amendments adopted this summer by Bill S-5, the “Strengthening Environmental Protection for a Healthier Canada Act” (S-5), which received Royal Assent on June 13, 2023.

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