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Risks to humans as a consequence of chemical exposures are a complex issue with worldwide implications, especially in our modern societies. The effective management of human exposure to a variety of chemicals present in various sectors of society has indeed become a very important public health policy issue - and risk assessment promises a systematic way for developing appropriate strategies to aid public health risk management decisions. Risk assessment generally serves as a tool that can be used to organize, structure, and compile scientific information in order to help identify existing hazardous situations or problems, anticipate potential problems, establish priorities, and provide a basis for regulatory controls and/or corrective actions.

In fact, with the control and containment of most infectious conditions and diseases of the past millennium having been achieved in most developed countries, and with the resultant increase in life expectancies, much more attention seems to have shifted to degenerative health problems. Many of the degenerative health conditions have been linked to thousands of chemicals regularly encountered in human living and occupational/work environments. It is important, therefore, that human health risk assessments are undertaken on a consistent basis - in order to determine the potential impacts of the target chemicals on public health.

This book provides a concise, yet comprehensive overview of the many facets/aspects relating to human health risk assessments in relation to chemical exposure problems. It presents some very important tools and methodologies that can be used to address chemical exposure and public health risk management problems in a consistent, efficient, and cost?effective way. Overall the book represents a collection and synthesis of the principal elements of the risk assessment process that pertain to human exposures to chemicals in the human living and work environments. It offers an understanding of the scientific basis of risk assessment and its applications to public health policy decisions.

Audience: The subject matter of this book should be of interest to many a professional encountering risk assessment in relation to environmental contamination and public health risk management programs &endash; especially public and occupational health practitioners; environmental consultants; environmental attorneys; public policy analysts; and various health, environmental, and consumer advocacy interest groups. The book is also expected to serve as a useful educational and training resource for both students and professionals in the health-related and environmental fields &endash; who have to deal with human exposures to chemicals, public health risk assessment issues, and/or environmental health management problems.