What may the Occupational Safety and Health Administration (OSHA) establish regulations for?

The Occupational Safety and Health Administration (OSHA) is fundamentally focused on ensuring safe and healthful working conditions for workers across various industries, including fire departments. The regulations established by OSHA specifically address health and safety standards that apply to fire department activities, ensuring that firefighters are equipped with the necessary protective measures and practices to prevent workplace injuries and illnesses. This encompasses a wide range of issues, such as the safety of firefighting operations, personal protective equipment standards, and training requirements that support the health and safety of firefighters in their duties.

The other options, although they relate to workplace and public safety, are not specific to OSHA's purview. OSHA does not primarily regulate environmental protection measures, fire equipment certifications, or training protocols that might be established by other governing bodies or agencies dedicated to those specific areas. Hence, the emphasis on health and safety in fire department activities accurately reflects the core responsibility of OSHA.