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The subject of this volume--uncertainties in risk assessment and management--reflects an important theme in health, safety, and environ mental decision making. MOst technological hazards are characterized by substantial uncertainty. Recent examples include nuclear waste disposal, acid rain, asbestos in schools, carcinogens in food, and hazardous waste. realing with such uncertainty is arguably the most difficult and challeng ing task facing risk assessors and managers today. Four primary sources of uncertainty in risk assessment and management can be identified: (1) uncertainties about...

Decades of industrial growth have led to an increasingly complex array of manufactured products and by-products to which the public and natural environments are exposed. The health and environmental risks of such exposures have prompted government agencies to regulate and oversee the safety of the materials that the public uses and interacts with, from food and drug products to objects in the surrounding environments. Explorations of scientific and societal foundations for regulation have prompted the development of a new field. The term 'regulatory science' was coined by Alan Moghissi, an...