1. Guidelines for a NIOSH policy on occupational carcinogenesis;Fairchild;Annals of the New York Academy of Sciences,1976
2. NIOSH (1992) Recommendations for Occupational Safety and Health: Compendium of Policy Documents and Statements. Cincinnati, OH: US Department of Health and Human Services, Public Health Service, Centers for Disease Control, National Institute for Occupational Safety and Health, DHHS (NIOSH) Publication No. 92-100.
3. NIOSH (2004) Pocket Guide to Chemical Hazards (NPG). Cincinnati, OH: US Department of Health and Human Services, Public Health Service, Centers for Disease Control, National Institute for Occupational Safety and Health, DHHS (NIOSH) Publication No. 97-140, Fourth printing with changes and updates (2004).
4. US Public Law 91-596, 91st Congress, S.2193. Occupational Safety and Health Act of 1970.