Which of the following is a required element of an OSHA-mandated written exposure control plan

While offering vaccinations can be beneficial for employee health, it is not a mandated element of an OSHA exposure control plan. OSHA focuses on specific safety and health requirements related to workplace hazards rather than general health programs, which makes this option incorrect.

Although fire safety training is crucial in many workplaces, it is not specifically required as part of an OSHA-mandated written exposure control plan. The plan's focus is primarily on exposure risks related to hazardous materials and environments rather than general safety training, thus this choice does not align with the requirements.

While reviewing the exposure control plan is important, the frequency and requirement for such reviews are not fixed at five years under OSHA regulations. OSHA mandates that plans be reviewed regularly and updated as necessary, but this specific time frame is not a requisite element of the exposure control plan, rendering this choice incorrect.