France: Ban on metam sodium-based pesticide

Last Monday, France’s health safety watchdog Anses ordered a ban on products containing metam sodium, widely used in vegetable farming. The decision came after several people fell ill, indicating the products in question pose a risk to human health and the environment.

Nearly 700 tons of metam sodium are used each year in France to fight fungi and worms. Although it is applied on small areas on fields or in greenhouses, these products need to be used in large quantities to be efficient, with doses used at between 300 and 1200 liters per hectare.

The discovery of respiratory intoxication in recent weeks among farmers or people living in the neighbourhood of farms following the use of metam sodium-based products in western France prompted the government to temporarily ban its use, pending an Anses investigation.

“After reassessment, Anses concludes that all uses represent a risk to human health and the environment. Anses has just notified producers of its intention to withdraw the marketing authorizations for all metam sodium products,” the watchdog concluded in a statement.

In 2004, the U.S. Environmental Protection Agency considered metam sodium as a “probable human carcinogen”. Still, metam sodium is among the most widely used agricultural pesticides in the US.

In France it can be found in five products, made by Taminco, a subsidiary of Eastman Chemical, Arysta Lifescience, recently acquired by India’s UPL, Spain’s Lainco and Compo Expert, purchased this year by Grupa Azoty, an Anses website shows.

Officials referred to four cases of intoxication linked to metam sodium in the Maine-et-Loire and Finistere departments, but local media reported a total of 70 cases.

According to, France’s largest farm union, the FNSEA, condemned the decision: “The decision to ban metam sodium was taken even before finding an alternative to replace it, leaving farmers without solutions,” FNSEA chairwoman Christiane Lambert said on Twitter.

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