Particularly Hazardous Substance (PHS) List
The following links may be used to verify chemicals that are categorized as particularly hazardous substances.
- Anything known or suspected to be a carcinogen according to the National Toxicology Program (NTP)
- Anything classified as a Group 1 or Group 2A and 2B Carcinogen according to the International Agency for Research on Cancer (IARC)
- OSHA regulated carcinogens
- TOXINET database
- Catalog of Teratogenic Agents, T.H. Shepard, 12th Edition, Johns Hopkins Press, 2007