Chemicals kept secret under US law

washingtonpost.com: Of the 84,000 chemicals in commercial use in the United States—from flame retardants in furniture to household cleaners—nearly 20 percent are secret, according to the Environmental Protection Agency, their names and physical properties guarded from consumers and virtually all... More... Archived source: https://web.archive.org/web/20100114024539/http://www.spacetimeandtheuniverse.com:80/general-physics/3247-chemicals-kept-secret-under-us-law.html