Re-evaluation Note REV2017-01, Special Review Decision: Dichlobenil

Pest Management Regulatory Agency
31 January 2017
ISSN: 1925-0649 (PDF version)
Catalogue number: H113-5/2017-1E-PDF (PDF version)

Table of Contents

Special Review Decision

Pursuant to subsection 17(2) of the Pest Control Products Act, the Pest Management Regulatory Agency (PMRA) conducted a special review of pest control products containing dichlobenil based on the European Decision (European Commission, 2011a) and the Norwegian Decision (Rotterdam Convention, 2000) to prohibit the use of this active ingredient due to environmental concerns. The PMRA evaluated the aspects of concern that prompted the special review in accordance with subsection 18(4) of the Pest Control Products Act. The proposed special review decision was published for consultation in the Re-evaluation Note REV2016-15, Special Review of Dichlobenil: Proposed Decision for Consultation, and it outlines the Agency's proposed decision and the reasons for it.

No comments were received during the consultation process. The PMRA, under the authority of the Pest Control Products Act, is confirming the current registration of pest control products containing dichlobenil in Canada. Label amendments are required to meet the current labelling standard and to standardize statements across labels (Appendix I).

Regulatory Directive DIR2014-01, Approach to Special Reviews, presents the details of the PMRA's special review approach.

To comply with this decision, the required label changes must be implemented on all products labels sold by registrants no later than 24 months after the publication date of this document. Registrants of the products containing dichlobenil will be informed of the specific requirements affecting their product registration(s) and of the regulatory options available to them.

Other Information

Any person may file a notice of objectionFootnote 1 regarding this decision on dichlobenil within 60 days from the date of publication of this special review decision. For more information regarding the basis for objecting (which must be based on scientific grounds), please refer to the Pesticides and Pest Management portion of Health Canada's website, Request a Reconsideration of Decision, or contact the PMRA's Pest Management Information Service.

Appendix I - Label Amendments for Products Containing Dichlobenil

1. Potential for leaching of the metabolite BAM into groundwater

Registration number 12533: Replace existing leaching statements in the section entitled ENVIRONMENTAL HAZARDS with the following statement:

"This product demonstrates the properties and characteristics associated with chemicals detected in ground water. The use of [product name] in areas where soils are permeable, particularly where the water table is shallow, may result in ground water contamination."

2. Potential risk of dichlobenil to the aquatic environment

Registration number 12533: Replace existing runoff statements in the section entitled ENVIRONMENTAL HAZARDS with the following statements in a section entitled ENVIRONMENTAL PRECAUTIONS:

"To reduce runoff from treated areas into aquatic habitats avoid application to areas with a moderate to steep slope, compacted soil, or clay.

Avoid application when heavy rain is forecast.

Contamination of aquatic areas as a result of runoff may be reduced by including a vegetative strip between the treated area and the edge of the water body."

Registration number 12533: The following statement is to be included in a section entitled DIRECTIONS FOR USE:

"To minimize surface water contamination when used on cranberries, all effluent water must be impounded and held for one day prior to release."

All dichlobenil end-use products, if not already included: The following statement is to be included in a section entitled ENVIRONMENTAL PRECAUTIONS:

"Toxic to aquatic organisms."

All dichlobenil end-use products, if not already included (as appropriate for commercial (C), domestic (D) products): The following statements are to be included in a section entitled DIRECTIONS FOR USE:

"As this product is not registered for the control of pests in aquatic systems, DO NOT use to control aquatic pests." C

"DO NOT apply to any body of water." D

"DO NOT contaminate irrigation or drinking water supplies or aquatic habitats by cleaning of equipment or disposal of wastes." C, D

References

Published Information

PMRA
Document
Number
Reference
1083977 Canada, 2005. Pest Management Regulatory Agency. Proposed Acceptability for Continuing Registration PACR2005-10, Re-evaluation of Dichlobenil.
2405939 Canada, 2013. Pest Management Regulatory Agency. Re-evaluation Note REV2013-06, Special Review Initiation of 23 Active Ingredients
2675620 European Food Safety Authority, 2010, EFSA Journal, Conclusion on the peer review of the pesticide risk assessment of the active substance dichlobenil, EFSA Journal 2010; 8(8):1705, DACO: 12.5 
2675623 European Commission, 2011a. Commission Implementing Decision of 11 April 2011 concerning the non-inclusion of dichlobenil in Annex I to Council Directive 91/414/EEC, Official Journal of the European Union (2011/234/EU), DACO: 12.5
2675626 European Commission, 2011b. Review Report for the active substance dichlobenil. EUROPEAN COMMISSION SANCO/11296/2011 final, DACO: 12.5
  Hazardous Substances Data Bank (HSDB), 2001. 2,6-Dichlorobenzamide. U.S. National Library of Medicine. https://toxnet.nlm.nih.gov
2676576 Rotterdam Convention, 2000a. Rotterdam Convention PIC Circular XII. December 2000. DACO: 12.5
1428388 United States, 1998. United States Environmental Protection Agency Reregistration Eligibility Decision (RED) Dichlobenil. October, 1998. EPA 738-R-98-003. 
2676578 United States, 2007. Drinking Water Assessment for the BAM (2,6-Dichlorobenzamide) Degradate of Dichlobenil. DACO: 12.5
2676577 United States, 2008. 2,6-Dichlorobenzamide (BAM) as a Metabolite of Fluopicolide and Dichlobenil. Acute and Chronic Aggregate Dietary (Food and Drinking Water) Exposure and Risk Assessments for the Section 3 Registration Actions for Fluopicolide on Root Vegetables (Subgroup 1A), Leaves of Root and Tuber Vegetables (Group 2), Bulb Vegetables (Group 3), and Head and Stem Brassica (Subgroup 5A). DACO 12.5
2676579 United States, 2012. United States Environmental Protection Agency Revised EFED Registration Review Problem Formulation for Dichlobenil. DACO 12.5 
1307567 Blundell, G. and H. Harman, 2000, A survey of the quality of municipal supplies of drinking water from groundwater sources in Prince Edward Island, The Sierra Club of Canada, Eastern Canada Chapter and the University of Waterloo, DACO: 8.6
1774484 United States Department of Agriculture (USDA), 2008, Pesticide Data Program Annual Summary, Calendar Year 2007. Science and Technology Programs, www.ams.usda.gov/pdp, DACO: 8.6
1852614 United States Department of Agriculture (USDA), 2009, Pesticide Data Program Annual Summary, Calendar Year 2008. Science and Technology Programs, www.ams.usda.gov/pdp, DACO: 8.6
1852616 United States Department of Agriculture (USDA), 2006, Pesticide Data Program Annual Summary, Calendar Year 2004. Science and Technology Programs, Agricultural Marketing Service, www.ams.usda.gov/science/pdp, DACO: 8.6
1852618 United States Department of Agriculture (USDA), 2006, Pesticide Data Program Annual Summary, Calendar Year 2005. Science and Technology Programs, Agricultural Marketing Service, www.ams.usda.gov/pdp, DACO: 8.6
1852619 United States Department of Agriculture (USDA), 2007, Pesticide Data Program Annual Summary, Calendar Year 2006. Science and Technology Programs, Agricultural Marketing Service, www.ams.usda.gov/pdp, DACO: 8.6
1857388 United States Department of Agriculture (USDA), 2005, Pesticide Data Program Annual Summary, Calendar Year 2003. Science and Technology Programs, Agricultural Marketing Service, www.ams.usda.gov/science/pdp, DACO: 8.6
1857396 United States Department of Agriculture (USDA), 2004, Pesticide Data Program Annual Summary, Calendar Year 2002. Science and Technology Programs, Agricultural Marketing Service, www.ams.usda.gov/science/pdp, DACO: 8.6
1857399 United States Department of Agriculture (USDA), 2003, Pesticide Data Program Annual Summary, Calendar Year 2001. Agricultural Marketing Service, Marketing and Regulatory Programs, http://www.ams.usda.gov/science/pdp/, DACO: 8.6
2035772 Pesticides dans l'eau de surface d'une zone maraîchère Ruisseau Gibeault-Delisle dans les « terres noires » du bassin versant de la rivière Châteauguay de 2005 à 2007 Juin 2010, DACO: 8.6
2170925 Nova Scotia Environment, 2010, Nova Scotia Groundwater Observation Well Network 2010 Report., DACO: 8.6
2312776 United States Department of Agriculture (USDA), 2011, Pesticide Data Program Annual Summary, Calendar Year 2009. Science and Technology Programs, www.ams.usda.gov/pdp, DACO: 8.6
2312778 United States Department of Agriculture (USDA), 2012, Pesticide Data Program Annual Summary, Calendar Year 2010. Science and Technology Programs, www.ams.usda.gov/pdp, DACO: 8.6
2312780 United States Department of Agriculture (USDA), 2013, Pesticide Data Program Annual Summary, Calendar Year 2011. Science and Technology Programs, www.ams.usda.gov/pdp, DACO: 8.6
2397189 Nova Scotia Environment, 2011, Nova Scotia Groundwater Observation Well Network. 2011 Report, DACO: 8.6
2397190 Nova Scotia Environment, 2012, Nova Scotia Groundwater Observation Well Network. 2012 Report, DACO: 8.6
2505827 United States Department of Agriculture (USDA), 2012, Pesticide Data Program Annual Summary, Calendar Year 2012, Science and Technology Programs, USDA, DACO: 8.6, DACO: 8.6
2505828 United States Department of Agriculture (USDA), 2013, Pesticide Data Program Annual Summary, Calendar Year 2013, Science and Technology Programs, USDA, DACO: 8.6, DACO: 8.6
2544468 Giroux, I., 2014, Présence de pesticides dans l'eau au Québec - Zones de vergers et de pommes de terre, 2010 à 2012. Québec, Ministère du Développement durable, de l'Environnement et de la Lutte contre les changements climatiques. Direction du suivi de l'état de l'environnement, ISBN 978-2-550-71747-8 (PDF), DACO: 8.6

Unpublished Information

PMRA
Document
Number
Reference
2675628 Norway, 1998. Comprehensive assessment of Casoron G - dichlobenil. Internal working document. Statens Landbrukstilsyn (the Norwegian Agricultural Authority), DACO: 12.5
2676575 Rotterdam Convention, 2000b. Form for notification of final regulatory action to ban or severely restrict a chemical - Dichlobenil - Norway, DACO: 12.5. 
2551837 Wisconsin Department of Agriculture, Trace and Consumer Protection, 2015, Unpublished groundwater monitoring data for dichlobenil submitted by the Wisconsin Department of Agriculture in response to the PMRA's June 2, 2015 monitoring data request for active ingredients under special review. Data submitted June 3, 2015., DACO: 8.6
2551838 Ministère du Développement durable, de l'Environnement et de la Lutte contre les Changements climatiques, 2015, Unpublished surface water and groundwater monitoring data for dichlobenil and its transformation product 2,6-dichlorobenzamide (BAM), submitted by the Ministère du Développement durable, de l'Environnement et de la Lutte contre les Changements climatiques in response to the PMRA's June 2, 2015 monitoring data request for active ingredients under special review. Data submitted June 3, 2015, DACO: 8.6
2554626 California Department of Pesticide Regulation, 2015, Surface Water Protection Program data for dichlobenil. Downloaded on July 23, 2015. https://www.google.com/fusiontables/DataSource?snapid=S954602gmYX, DACO: 8.6
2554627 United States Geological Survey, 2015, USGS National Water Quality Assessment (NAWQA) program surface water monitoring data for dichlobenil, from 1998 to present. Downloaded July 23, 2015. http://cida.usgs.gov/nawqa_queries_public/. DACO: 8.6
2554628 United States Environmental Protection Agency, 2015, Monitoring data for dichlobenil in water from 1998 to present downloaded from the USEPA Storage and Retrieval (STORET) data warehouse on July 23, 2015. http://ofmpub.epa.gov/storpubl/dw_pages.querycriteria, DACO: 8.6
1594705 2006. Small Scale Retrospective Ground -Water Monitoring Study for Dichlobenil and 2,6- Dichlorobenzamide (BAM) DACO: 8.3.3.2
 
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