Final answer:
The Occupational Safety and Health Act of 1970 regulated the degree to which employees can be exposed to hazardous substances.
Step-by-step explanation:
The Occupational Safety and Health Act of 1970 regulated the degree to which employees can be exposed to hazardous substances.
This act, commonly known as OSHA, grants the Occupational Safety and Health Administration (OSHA) the authority to issue workplace health and safety regulations.
These regulations include limits on hazardous chemical exposure, employee access to hazard information, requirements for the use of personal protective equipment, and requirements to prevent falls and hazards from operating dangerous equipment.