At a fixed facility the best places to look for the names of the hazardous materials?

The best places to look for the names of hazardous materials in a commercial product are: * on the product label * on the product's Material Safety Data Sheet (available from manufacturer or distributor, often on their website) The best places to look for names of hazardous materials unrelated to interest in a particular product are: * the regulations and web sites of regulatory agencies such as OSHA, EPA and the Department of Transportation (in the US) * printed reference materials in libraries, catalogued under toxicology * on-line MSDS collections of manufacturers, Universities, etc.