Final answer:
The Occupational Safety and Health Administration (OSHA) is the agency responsible for enforcing workplace safety regulations.
Step-by-step explanation:
The government agency that is responsible for enforcing safety regulations in the workplace is the Occupational Safety and Health Administration (OSHA). OSHA, which is an agency of the United States Department of Labor, was established under the Occupational Safety and Health Act of 1970. The primary mission of OSHA is to ensure safe and healthful working conditions by setting and enforcing standards and by providing training, outreach, education, and assistance. OSHA is also known for handling various whistleblower statutes and regulations. Moreover, OSHA's authority includes conducting inspections and assessing fines for non-compliance with regulations, ensuring that workplaces adhere to health and safety standards to protect employees from physical harm.