OSHA	U.S. Department of Labor, Occupational Safety and Health Administration
EPA	U.S. Environmental Protection Agency
THOMAS	THOMAS (Legislative Information on the Internet)
MSHA	U.S. Department of Labor, Mine Safety and Health Administration
NIOSH	National Institute for Occupational Safety and Health
ACGIH	American Conference of Governmental Industrial Hygienists
MSDS	U.S. Department of Commerce, Material Safety Data Sheet Searches