Hazard Identification
نویسندگان
چکیده
T. Bredfeldt Texas Commission on Environmental Quality, MC-168, P.O Box 13087, Austin, TX 78711-3087, USA e-mail: [email protected] Abstract Hazard identification is considered an early step in the risk assessment process. The primary goal of this step is to determine whether exposure to a chemical is likely to cause a specific adverse health effect in humans. The process of hazard identification consists of collecting, evaluating and integrating various sources of data to produce a scientifically-defensible conclusion regarding stressor-induced causation of adverse health effects. The product of data integration is a weight of evidence narrative that characterizes the conditions under which exposure to a chemical is likely to harm human health. This chapter provides a basic introduction to the concept of hazard identification, information critical to this step in risk assessment, and evolving trends in hazard identification.
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