Each of us encounters hundreds of toxic agents everyday, without exposure and subsequent
absorption (uptake) however, there is no risk of injury. Thus, exposure assessment is one of …

The elicitation of scientific and technical judgments from experts, in the form of subjective
probability distributions, can be a valuable addition to other forms of evidence in support of …

At this time when regulatory agencies are accepting and actively encouraging probabilistic
approaches and the attribution of overall uncertainty among inputs to support Value of …

Hayes' Principles and Methods of Toxicology has long been established as a reliable and
informative reference for the concepts, methodologies, and assessments integral to …

The book describes evidence that has become available on the relationship of particles in
the air to human health over the last 15 years, presented by the investigators themselves. It …

Although the US Environmental Protection Agency presented a comprehensive review of the
scientific literature in its 2003 draft reassessment of the risks of dioxin, the agency did not …

All introduced natural enemies present a degree of risk to nontarget species. Since most
biological control programs use relatively host-specific natural enemies, the risk to nontarget …

Multimedia fate and exposure models are widely used to regulate the release of toxic
chemicals, to set cleanup standards for contaminated sites, and to evaluate emissions in life …

EPA's decision to list a carcinogenic substance as a" hazardous waste," subject to stringent
regulation under the Resource Conserva-tion and Recovery Act, depends on the fatality risk …

Uncertainty abounds in issues related to climate science and climate changes, the impacts
of those changes, and the efficacy of strategies that might be used to mitigate or adapt to …