Consultation on formic acid and FENNOSURF 600-C, Proposed Registration Decision PRD2025-16

Current status: Open

Opened on 5 December 2025 and will close for consultation on 4 January 2026.

Health Canada's Pest Management Regulatory Agency (PMRA), pursuant to subsection 28(1) of the Pest Control Products Act, is proposing registration for the sale and use of FENNOSURF 600-T and FENNOSURF 600-C, belonging to Kemira Water Solutions, Inc., containing the active ingredient formic acid, for bacterial control in municipal wastewater treatment and the manufacturing process of paper and paperboard.

How to get involved

This consultation is open for comment from 5 December 2025 to 4 January 2026 (30 calendar days). Open the "Consultation Summary" to access the document.

If you would like to comment, see the Pest Management Regulatory Agency Publications Section page for contact information. Please be sure to include the title of the consultation document on which you are commenting.

Health Canada will consider any written comments received from the public that are directly related to this proposed decision, such as comments directed to the science evaluation, in response to PRD2025-16 up to 30 days from the date of publication of this document (by 4 January 2026) before making a final decision on the proposed registration for formic acid and FENNOSURF 600-C.

If more time is required to provide comments, a request for an extension of an additional 15 days can be made. Your request must be submitted in writing to the PMRA's Publications Section within the 30-day consultation period.

Reporting to Canadians

Health Canada will make the results of this consultation available on this website. Once the decision for formic acid and FENNOSURF 600-C is finalized, the PMRA will post a Registration Decision on the Pesticides and Pest Management Reports and Publications portion of Canada.ca.

If you have any questions, contact the Pest Management Information Service.

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