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1. U.S Department of Labor: Occupational Safety & Health Administration (OSHA)
2. OSHA/EPA Occupational Chemical Database
3. International Organization for Standardization (ISO)
4. National Fire, Protection Association (NFPA)
5. American National Standards Institute (ANSI)
6. U.S Environmental Protection Agency (EPA)
7. International Safety Equipment Association (ISEA)
8. International Standards Worldwide (ASTM)
9. Centers for Disease Control and Prevention (CDC)
10. CDC: The National Institute for Occupational Safety and Health (NIOSH)
