Final answer:
The Occupational Safety and Health Administration (OSHA) is responsible for keeping workplaces clean and free of hazards.
Step-by-step explanation:
The agency responsible for keeping workplaces clean and free of hazards is the Occupational Safety and Health Administration (OSHA). OSHA is an agency of the United States Department of Labor and was established to assure safe and healthful working conditions for workers. It sets and enforces standards for workplace safety, provides training and education, and assists in enforcing whistleblower statutes and regulations.