Ecological Risk Assessment Issues for Chiral Pesticides

摘要

The USEPA's ecological risk assessment framework provides a clearly defined process for conducting ecological risk assessments for the registration and re-evaluation of pesticides. The ultimate product of this framework is an ecological risk characterization and assessment, which integrates data on pesticide use, chemistry, and ecotoxicity. Consideration of chiral pesticides in the risk assessment process poses numerous challenges related to the enantioselectivity in environmental fate processes and ecotoxicity. A critical assessment of risk assessment issues for chiral pesticides is discussed in the context of the USEPA risk assessment framework.