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Brazil updates agchem residue data rules

The Brazilian national health surveillance agency, the Anvisa, is beefing up the criteria to be followed by applicants for the registration of pesticides. It has issued Resolution 4/2011, detailing the criteria that applicants must observe when carrying out residue studies on foodstuffs, such as: the preservation of samples, the presentation of stability studies of the pesticide on a crop, and the dispersal rate, among others.


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