The following HTML text is provided to enhance online
readability. Many aspects of typography translate only awkwardly to HTML.
Please use the page image
as the authoritative form to ensure accuracy.
NRC (National Research Council). 1994. Science and Judgment in Risk Assessment. Committee on Risk Assessment of Hazardous Air Pollutants. Board on Environmental Studies and Toxicology. Washington, DC: National Academy Press.
OTA (Office of Technology Assessment). 1993. Researching Health Risks . Washington, DC: Office of Technology Assessment.
WHO (World Health Organization). 1987. Principles for the Safety Assessment of Food Additives and Contaminants in Food . Environmental Health Criteria 70. Geneva: World Health Organization.
WHO (World Health Organization). 1996. Trace Elements in Human Nutrition and Health. Prepared in collaboration with the Food and Agriculture Organization of the United Nations and the International Atomic Energy Agency. Geneva: World Health Organization.
Zielhuis RL, van der Kreek FW. 1979. The use of a safety factor in setting health-based permissible levels for occupational exposure. Int Arch Occup Environ Health 42:191–201.