What is the result if a workplace exceeds the permissible exposure limit (PEL)?

When a workplace exceeds the permissible exposure limit (PEL), it indicates that the concentration of hazardous substances is beyond the levels deemed safe for worker health. This triggers a legal and regulatory requirement for employers to take immediate action to mitigate the risk posed by such exposure. Employers must identify the source of excessive exposure and implement measures to reduce it, ensuring that the workspace adheres to safety standards and protects employee well-being.

This might involve engineering controls, such as improving ventilation or using safer substitutes, administrative controls like adjusting work schedules, or providing personal protective equipment. The overarching goal is to lower exposure to acceptable levels, thereby safeguarding workers' health and complying with occupational health regulations.

While other options may offer some level of response in certain contexts, they do not directly address the obligation to act when exposure limits are exceeded, making the requirement for reduction of exposure the most pertinent and necessary action.