- Cleanliness Helps Prevent Foodborne Illnesswww.fsis.usda.gov
- Handwashing – Clean Hands Save Lives | CDCwww.cdc.gov
- Occupational Safety and Health Administration (OSHA)www.osha.gov
- The American Cleaning Institute (ACI)www.cleaninginstitute.org
- U.S. Environmental Protection Agency www.epa.gov
- Water, Sanitation & Environmentally-related Hygiene – CDCwww.cdc.gov
