Health Canada is consulting Canadians on the proposal to continue registration of octadec-9-enoic acid, methyl ester and octadec-9-enoic acid, ethyl ester in Canada.

Octadec-9-enoic acid, methyl ester and octadec-9-enoic acid, ethyl ester are considered activator or spray modifier adjuvants that are intended to improve the performance of the pest control product with which they are tank mixed. Octadec-9-enoic acid, methyl ester and octadec-9-enoic acid, ethyl ester are registered for use as a tank mix with a variety of herbicides and insecticides.

When the current label directions are followed, potential risks to human health and the environment are considered to be acceptable. However, label updates are proposed to meet the current labelling standards. As a result of the re-evaluation of octadec-9-enoic acid, methyl ester and octadec-9-enoic acid, ethyl ester, no further risk mitigation measures for the adjuvant product labels are being proposed.

For a full list of products containing octadec-9-enoic acid, methyl ester and octadec-9-enoic acid, ethyl ester, visit the Pesticide Label Search database.

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

How to get involved

This consultation is open for comment from 20 December 2021 to 20 March 2022 (90 calendar days).

To comment on PRVD2021-13:

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: PRVD2021-13, Octadec-9-enoic Acid, Methyl Ester and Octadec-9-enoic Acid, Ethyl Ester, Proposed Re-evaluation Decision) 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 Canada.ca.

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

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