FIFRA:Federal Insecticide,Fungicide and Rodenticide Act Residues Tolerances What is a residue? Amount of pesticide left on food at harvest ■What is a tolerance? The maximum allowed residue Includes margin of safety Considers aggregate and cumulative effects FIFRA: Federal Insecticide, Fungicide and Rodenticide Act ‡ Residues & Tolerances „ What is a residue? ‡ Amount of pesticide left on food at harvest „ What is a tolerance? ‡ The maximum allowed residue ‡ Includes margin of safety ‡ Considers aggregate and cumulative effects