Proposed Maximum Residue Limit PMRL2012-24, Prosulfuron

Notice to the reader: The online consultation is now closed. Comments and suggestions received during the public consultation period are being considered in the finalization of this document. The final report will be made available as soon as possible.

Pest Management Regulatory Agency
24 May 2012
ISSN: 1925-0843 (PDF version)
Catalogue number: H113-24/2012-24E-PDF (PDF version)

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Under the authority of the  Pest Control Products Act, Health Canada's Pest Management Regulatory Agency (PMRA) has concluded that the addition of new uses on grain sorghum and grain millet to the product label of Peak 75WG Herbicide, containing technical grade prosulfuron, is acceptable. The specific uses approved in Canada are detailed on the label of Peak 75WG Herbicide, Pest Control Products Act Registration Number 25310.

The evaluation of this prosulfuron application indicated that the end-use product has merit and value and the human health and environmental risks associated with the new uses are acceptable. Details regarding the registration can be found in the corresponding Evaluation Report that is available in the Pesticides and Pest Management section of Health Canada's website, under Public Registry, Pesticide Product Information Database.^{Footnote 1}

Before registering a pesticide for food use in Canada, the PMRA must determine the quantity of residues that are likely to remain in or on the food when the pesticide is used according to label directions and that such residues will not be a concern to human health. This quantity is then legally established as a maximum residue limits (MRL). An MRL applies to the identified raw agricultural food commodity as well as to any processed food product that contains it, except where separate MRLs are specified for the raw agricultural commodity and a processed product made from it.

Consultation on the proposed MRLs for prosulfuron is being conducted via this document (see Next Steps, the last section of this document).

To comply with Canada's international trade obligations, consultation on the proposed MRLs is also being conducted internationally by notifying the  World Trade Organization, as coordinated by the  Standards Council of Canada.

The proposed MRLs for prosulfuron in Canada in or on food, to be added to the MRLs already legally established, are as follows.

Table 1 - Proposed Maximum Residue Limits for Prosulfuron

Common Name	Residue DefinitionFootnote 2	MRL Footnote (ppm)	Food Commodity
Table 1 footnotes Table 1 footnote ppm = parts per million Return to table 1 footnote ppm referrer
Prosulfuron	N-[[(4-methoxy-6-methyl-1,3,5-triazin-2-yl) amino]carbonyl]-2-(3,3,3-trifluoropropyl) benzenesulfonamide	0.01	Pearl millet, proso millet, sorghum

A complete list of all pesticide MRLs established in Canada, as of the date indicated, can be found on the Maximum Residue Limits for Pesticides webpage in the Pesticides and Pest Management section of Health Canada's website.

International Situation and Trade Implications

The proposed MRLs for prosulfuron in Canada are the same as the corresponding tolerance for the cereal grains crop group, except rice, established in the United States (tolerances are listed in the  Electronic Code of Federal Regulations, 40 CFR Part 180, by pesticide). Currently, Codex Alimentarius MRLs^{Footnote 3} have not been established for prosulfuron on any commodity. A listing of established Codex MRLs is available on the Codex Alimentarius  Pesticide Residues in Food website.

Next Steps

The PMRA invites the public to submit written comments on the proposed MRLs for prosulfuron up to 75 days from the date of publication of this document. Please forward your comments to Publications. The PMRA will consider all comments received before making a final decision on the proposed MRLs for prosulfuron and posting a corresponding Established Maximum Residue Limit document in the Pesticides and Pest Management section of Health Canada's website.