OTTAWA, Aug. 23, 2016 /CNW/ - Health Canada is advising Canadians to stop using pesticides that contain malathion when productsare older than one year due to chemical changes in the product over time.
In Canada, malathion is a registered insecticide mainly used to control insects in agriculture, but it can also be used in and around
However, over time a toxic chemical called isomalathion can naturally form in malathion products, particularly when they are stored at elevated temperatures. After storage for more than a year, it's possible that levels of isomalathion could become a concern, even when containers are stored correctly.
What you should do
Make sure any products containing malathion are stored in a cool (around 20-23°C), dry, well ventilated place away from seed, fertilizer or other pesticides and for no longer than one year.
While it's possible to test products for elevated levels of isomalathion, this is not likely to be feasible for individual Canadians. As a result, Canadians are advised not to use products that contain malathion that are older than one year. If you need to dispose of any existing products, you should contact your provincial regulatory agency or local municipality for information on how to dispose of household hazardous waste properly in your area.
Canadians should always read the entire pesticide label before use and follow all label directions. To check for the most recent product information, use Health Canada's new pesticide label search mobile app.
As most end-use products are formulated to be stable over a reasonable amount of time, Health Canada does not object to the use of malathion product which is older than one year when all of the following are met:
What Health Canada is doing
Health Canada will be working with the manufacturers to modify the labels of products that contain malathion to include date information, and the requirement for laboratory testing beyond this date to ensure the product is within acceptable specifications.
Report health and safety concerns
Report any adverse events to the manufacturer, who is required by law to report to Health Canada. You may also report an incident directly to Health Canada by completing an incident report form.
For more information
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SOURCE Health Canada
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