New pesticides guidance has been finalised that harmonises the way terrestrial field dissipation studies (TFDs) are conducted in different regions of the world. The guidance was developed for the Organisation for Economic Co-operation and Development (OECD) by a working group led by EFSA, the US Environmental Protection Agency and Health Canada.
The harmonised international guidance means that field dissipation/accumulation studies carried out in one country can be considered in risk assessments conducted in other countries and regions. In particular, it means that studies will be interchangeable between EU Member States and signatories to the North American Free Trade Agreement (NAFTA), as well as other OECD countries.
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