Draft Guidelines for Rare Earth Elements

Summary#

The federal government has published the draft Federal Environmental Quality Guidelines for rare earth elements under the Canadian Environmental Protection Act, 1999. The draft is open for public comment from May 16, 2026 to July 15, 2026, and can be read on the Government of Canada chemical substances website.

What it does#

• Makes the draft Federal Environmental Quality Guidelines for rare earth elements available for review.
• Invites written comments on the scientific basis for the guidelines during a 60‑day comment period from May 16, 2026 to July 15, 2026.
• Notes the federal government has offered to consult provinces, territories and members of the National Advisory Committee who represent Indigenous governments.
• Explains how to send comments:
  • by email to substances@ec.gc.ca;
  • using Environment and Climate Change Canada’s Single Window online reporting system; or
  • by mail to the Substances Management Information Line in Gatineau, Quebec.
• Says people who send information can ask that it be treated as confidential under the law, but must give reasons for that request.

Who's affected#

• Companies and researchers that mine, process, use or study rare earth elements.
• Provincial and territorial governments and the federal department responsible for chemicals.
• Indigenous governments and communities that may be near rare earth projects.
• Environmental groups, consultants, and members of the public who want to comment on the science behind the guidelines.

If it’s unclear whether a specific business or community will be affected, the draft guidelines on the website should be checked for details.

Why it matters#

• These guidelines are science-based benchmarks the federal government uses to help protect the environment.
• They can influence monitoring, cleanup standards, permit decisions, and how industry manages releases of rare earth elements.
• Public comments during the stated period can affect the final wording and the scientific evidence used.
• The notice itself does not list the guideline values; you need to consult the draft on the Canada.ca site to see the specific numbers and technical details.