Assessing Cumulative Risk
Revised OP Cumulative Risk Assessment
EPA has developed a framework for conducting cumulative risk assessments
for the organophosphates (OPs) and other pesticides that have a common
mechanism of toxicity (i.e., that act in the same way in the body).
This web site includes information about how EPA is implementing these
new methods and the various meetings and comment opportunities available
along the way.
Through cumulative risk assessment, EPA will be able to consider whether
the risks posed by a group of pesticides that act the same way in the
body meet the current safety standard of "reasonable certainty of
no harm" brought about by the Food Quality Protection Act (FQPA)
of 1996. Pesticides that meet this standard may successfully complete
tolerance reassessment under the Federal Food, Drug, and Cosmetic Act
(FFDCA), now closely intertwined with completing reregistration under
the Federal Insecticide, Fungicide, and Rodenticide Act (FIFRA).
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