Final answer:
For businesses with 10 or fewer employees, OSHA allows the Emergency Action Plan to be communicated orally. For those with more than 10 employees, the EAP must be in writing. The related WARN Act requires employers with more than 100 employees to give a written notice before large layoffs or plant closings.
Step-by-step explanation:
The Occupational Safety and Health Administration (OSHA) has specific rules regarding Emergency Action Plans (EAPs). For businesses with 10 or fewer employees, it is acceptable for the employer to communicate the EAP orally. However, for employers with more than 10 employees, an EAP must be written, maintained in the workplace, and available to employees for review. Although not stated in the question, it is worth pointing out that there is a separate requirement, under the Worker Adjustment and Retraining Notification (WARN) Act, that mandates employers with more than 100 employees to provide written notice 60 days before plant closings or large layoffs. Additionally, employers are required to adhere to several other OSHA regulations, such as providing safety training, keeping accurate records of work-related injuries and illnesses, and supplying personal protective equipment at no cost to workers, among other responsibilities.