Final answer:
The Drug-Free Workplace Act of 1988 applies to all employers with federal contracts or grants, employees of federal agencies, and private sector employees; in essence, all of the above are subject to its regulations.
Step-by-step explanation:
The Drug-Free Workplace Act of 1988 requires that certain groups maintain a drug-free environment. This Act applies to:
- Employers with federal contracts or grants
- Employees of federal agencies
- Private sector employees
- All of the above
This means that any employer that falls under any of these categories must comply with the Act's regulations to maintain a drug-free workplace. Failure to do so can result in penalties, including the loss of federal contracts or grants.