Final answer:
OSHA is an agency of the U.S. Department of Labor, established to ensure safe and healthy working conditions by setting and enforcing standards.
Step-by-step explanation:
The Occupational Safety and Health Administration (OSHA) is part of the United States Department of Labor (DOL).
OSHA was established by Congress under the Occupational Safety and Health Act, which was signed into law on December 29, 1970, by President Richard M. Nixon.
The mission of OSHA is to ensure safe and healthy working conditions for men and women by setting and enforcing standards and by providing training, outreach, education, and assistance.
It is tasked with the enforcement of various whistleblower statutes and regulations as well.
The creation of OSHA has significantly contributed to protecting workers from physical harm in the workplace.