Chlorpyrifos is a broad spectrum organophosphate insecticide used to control insects in various settings. It is one of the most widely sold pesticides in Canada and is one of the few insecticides registered to manage certain important pests, including invasive alien species, and mosquitoes.
By Keith Lyall
A Restricted-Entry Interval (REI) is the amount of time deemed safe to return into an area after pest products have been applied.
January 11, 2019 - Ottawa, ON - Health Canada
OTTAWA – Health Canada’s primary objective in regulating pesticides is to protect Canadians’ health and the environment. That is why the Department regularly reviews all pesticides to make sure that they continue to meet modern health and safety standards.
Health Canada’s Pest Management Regulatory Agency has concluded that there are no reasonable grounds to believe that the human health and environmental risks of products containing all forms of 2,4-D currently registered in Canada are, or their value is, unacceptable under current conditions of use.