Consultation on Thiophanate-Methyl and Its Associated End-use Products, Proposed Re evaluation Decision PRVD2019-07

Health Canada is consulting Canadians on its proposed re-evaluation decision for thiophanate-methyl. Thiophanate-methyl is a fungicide that controls a broad spectrum of diseases on a wide variety of crops and use sites in Canada, including greenhouse non-food crops, terrestrial food crops, mushrooms, outdoor ornamentals, turf, and seed treatment. A list of thiophanate-methyl products can be found in Appendix I of the consultation document, or through the online Pesticide Label Search at

Based on the outcome of the risk assessment, Health Canada proposes continued registration for many uses of thiophanate-methyl with mitigation measures including:

However, Health Canada is proposing to cancel the following uses of thiophanate-methyl, as risks to human health have not shown to be acceptable:

For more information on the proposed decision open the “Proposed Re-evaluation Decision”.

How to Get Involved

This consultation is open for comment from 28 June 2019 to 26 September 2019 (90 calendar days).

To comment on PRVD2019-07:

All comments received will be considered. A final re-evaluation decision will consider additional scientific information provided during the public comment period.

Please refer to the document title (for example: PRVD2019-07, Thiophanate-Methyl and Its Associated End-use Products) when providing comments.

Reporting to Canadians

Health Canada will make the results of this consultation available on this website. Once the decision is finalized, the PMRA will post a Re-evaluation Decision on the Pesticides and Pest Management Reports and Publications portion of

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

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