Re-evaluation Note REV2012-13, Update on the Pest Management Regulatory Agency Re-evaluation Initiation Schedule

Pest Management Regulatory Agency
26 November 2012
ISSN: 1925-0649 (PDF version)
Catalogue number: H113-5/2012-13E-PDF (PDF version)

The purpose of this document is to provide registrants, pesticide regulatory officials and the Canadian public with an update on the active ingredients listed in the Re-evaluation Note REV2011-03, Pest Management Regulatory Agency Re-evaluation Initiation Schedule published on 17 March 2011.

Table 1 presents the current re-evaluation status, as of 15 November 2012, for active ingredients included in the PMRA's re-evaluation initiation schedule for 2010-2013. As required per section 16 of the  Pest Control Products Act, initiation for these active ingredients is completed via letters sent to the registrants. This step is also captured in the section 16 notices which are available in the public registry. Project plans for each active ingredient are expected to be published in due course.

Table 1 - Active Ingredients Re-evaluation Initiation Status
Chemical Name (on PMRA record) CAS. No. Re-evaluation Status

Table 1 footnotes

Table 1 footnote 1

Second round of re-evaluation under Regulatory Directive DIR2012-02, Re-evaluation Program Cyclical Re-evaluation; the first round of re-evaluation under Regulatory Directive DIR2001-03, Pest Management Regulatory Agency Re-evaluation Program was completed via the publication of a Re-evaluation Note REV2010-04, Clethodim.

Return to table 1 footnote 1 referrer

Table 1 footnote 2

In order to allow for a consistent approach to the risk assessment and risk management for pyrethroids pesticides, the active ingredient will be evaluated within a "pyrethroid cluster", Re-evaluation Note REV2011-05, Re-evaluation of Pyrethroids, Pyrethrins and Related Active Ingredients.

Return to table 1 footnote 2 referrer

Table 1 footnote 3

Re-evaluation Note REV2010-02, Re-evaluation Work Plan for Glyphosate.

Return to table 1 footnote 3 referrer

Table 1 footnote 4

Re-evaluation of imidacloprid is ongoing. In addition, imidacloprid, clothanidin and thiamethoxam will be reviewed as a cluster to ensure a comprehensive environmental evaluation regarding the potential for effects of neonicotinoids on pollinators (Re-evaluation Note REV2012-02, Re-evaluation of Neonicotinoid Insecticides).

Return to table 1 footnote 4 referrer

Table 1 footnote 5

The registrant has discontinued the registration of the active ingredient.

Return to table 1 footnote 5 referrer

Chlorimuron-ethyl 90982-32-4 Initiated
Clethodim 99129-21-2 InitiatedTable 1 footnote 1
Cyfluthrin 68359-37-5 InitiatedTable 1 footnote 2
Cyromazine 66215-27-8 Initiated
Dimethomorph 110488-70-5 Initiated
Dimethoxane 828-00-2 Initiated, Project plan in publication process
d-phenothrin N/A InitiatedTable 1 footnote 2
Fludioxonil 131341-86-1 Initiated
Flumetsulam 98967-40-9 Initiated, Project plan in publication process
Fomesafen 72178-02-0 Initiated
Fosetyl (Aliette) 39148-24-8 Initiated
Glyphosate 1071-83-6 Project plan publishedTable 1 footnote 3
38641-94-0
81591-81-3
70901-12-1
114370-14-8
34494-04-7
Imazamox 114311-32-9 Initiated, Project plan in publication process
Imidacloprid 138261-41-3 InitiatedTable 1 footnote 4
Isoxaben 82558-50-7 Project Plan published; Re-evaluation Note REV2012-05
Lambda-cyhalothrin 91465-08-6 InitiatedTable 1 footnote 2
Nuclear polyhedrosis v. (gypsy moth) N/A Initiated, Project plan in publication process
Octhilinone 26530-20-1 Initiated, Project plan in publication process
Paclobutrazol 76738-62-0 Project Plan published; Re-evaluation Note REV2012-03
Parachlorocresol (and its sodium salt) 59-50-7 Initiated, Project plan in publication process
Propamocarb 25606-41-1 Initiated, Project plan in publication process
Prosulfuron 94125-34-5 Initiated
Pyridaben 96489-71-3 Initiated
Quinclorac 84087-01-4 Initiated
Sodium omadine 15922-78-8 Project Plan published; Re-evaluation Note REV2012-04
Sulfosulfuron 141776-32-1 DiscontinuedTable 1 footnote 5
Triadimenol 55219-65-3 DiscontinuedTable 1 footnote 5
Triflusulfuron 126535-15-7 Initiated, Project plan in publication process
(Z)-11-tetradecenyl acetate 20711-10-8 Initiated

In addition to the above, Table 2 presents active ingredients that have been added to the current round of re-evaluation under Regulatory Directive DIR2012-02.

Table 2 Additional Active Ingredients Initiated Under DIR2012-02
Chemical Name (on PMRA record) CAS. No.
Clodinafop-propargyl 105512-06-9
Difenzoquat 43222-18-6
4-(2,4-dichlorophenoxy)butyric acid (also known as 2,4 DB) 94-82-6

Clodinafop-propargyl was first registered under the Pest Control Products Act in 1995 and, therefore, is now subject to re-evaluation. The re-evaluation of difenzoquat was restarted following the registrant's decision to reinstate the difenzoquat registration. The active ingredient 2,4-DB was initiated in the first round of re-evaluation under DIR2001-03, but is pending substantial information to complete a proposed decision.

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