Canada Publishes Nanomaterials Risk Assessment Framework

On March 5, 2026, Environment and Climate Change Canada (ECCC) and Health Canada (HC) published the Framework for the Risk Assessment of Manufactured Nanomaterials under the Canadian Environmental Protection Act, 1999. According to Canada, the document establishes a framework for the risk assessment of nanomaterials under the Canadian Environmental Protection Act, 1999 (CEPA), including both existing nanomaterials on the Domestic Substances List (DSL), and new nanomaterials notified under the New Substances Notification Regulations (Chemicals and Polymers). According to the plain language summary of the framework, the framework discusses in detail the nanomaterial-specific considerations for risk assessment, including: