Health Canada’s Pest Management Regulatory Agency (PMRA) is seeking consultation on a proposal to cancel chlorothalonil for outdoor and food uses, a Feb. 10 news release says. The PMRA is proposing chlorothalonil to still be available for greenhouse ornamental uses.
The consultation period runs over 45 days starting on Feb. 10. The PRMA notes its aspects of concern for this special review are relevant to human health and the environment.
The release says chlorothalonil is a contact and protectant fungicide with a multi-site mode of action. It controls a broad range of fungal diseases on a large number of field and orchard crops, conifers, greenhouse celery seedbeds, greenhouse ornamentals, outdoor ornamentals, mushroom houses, and turf.
Chlorothalonil is also used as a dry-film material preservative agent against bacterial and fungi contamination or spoilage of paint and is currently under re-evaluation in Canada, the release notes. This use isn’t part of the scope of the special review.
The PMRA also says in the release that in regard to human health, dietary risks (food alone and food plus water) weren’t shown to be acceptable for food uses when chlorothalonil is used according to current conditions of registration.
The special review of chlorothalonil started in 2018 based on the information reported under section 13 of the Pest Control Products Act, and information from the 2016 European Food Safety Authority report. The European Union later decided to prohibit all uses of chlorothalonil as plant protection products due to human health and environmental concerns.
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