Final answer:
Employers in the United States are required to have a written Exposure Control Plan if they have employees who may be exposed to bloodborne pathogens.
Step-by-step explanation:
Employers in the United States are required to have a written Exposure Control Plan if they have employees who may be exposed to bloodborne pathogens. This requirement is set by the Occupational Safety and Health Administration (OSHA). Bloodborne pathogens are infectious microorganisms that can cause diseases such as HIV and hepatitis. Examples of workplaces where employees may be at risk of exposure to bloodborne pathogens include healthcare facilities, emergency response and first aid teams, and certain laboratories.