Which regulatory body's regulations are administered through the Department of Labor?

The correct answer is OSHA, which stands for the Occupational Safety and Health Administration. This body is part of the U.S. Department of Labor and is responsible for ensuring safe and healthy working conditions by setting and enforcing standards. OSHA's regulations cover various aspects of workplace safety, including exposure to hazardous substances, proper use of personal protective equipment, and overall workplace ergonomics.

In the context of water treatment facilities, OSHA regulations play a crucial role in establishing the safety protocols for employees working with potentially hazardous chemicals and equipment. By adhering to OSHA standards, water treatment facilities can reduce the risk of workplace injuries and illnesses, thereby promoting a safer work environment.

The other organizations mentioned, such as the EPA (Environmental Protection Agency), FDA (Food and Drug Administration), and CDC (Centers for Disease Control and Prevention), have their respective regulatory areas, but they are not administered through the Department of Labor. The EPA focuses on environmental protection, the FDA deals with food safety and pharmaceuticals, and the CDC addresses public health and safety issues.