Heat Illness Prevention (Outdoor & Indoor Places) for Supervisors – Cal/OSHA






Heat illnesses can be life threatening, so it's crucial for supervisors to take the proper preventative actions and intervene appropriately to maximize workplace safety. This course provides guidance on supervisor responsibilities for both outdoor and indoor places of employment. It equips supervisors to recognize the risk factors, signs, and symptoms of heat-related illnesses, and presents first aid guidelines for treating these illnesses. The course also explores supervisors' responsibilities for preventing and responding to heat-related illnesses, and outlines workplace high-heat requirements.

This course was developed with subject matter support provided by EnSafe Inc., a global professional services company focusing on engineering, environment, health and safety, and information technology. Please note, the course materials and content were current with the laws and regulations at the time of the last expert review, however, they may not reflect the most current legal developments. Nothing herein, or in the course materials, shall be construed as professional advice as to any particular situation with respect to compliance with legal statutes or requirements.



Supervisors of workers exposed to heat-related hazards in hot environments and while performing strenuous work activities


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Heat Illness Prevention (Outdoor & Indoor Places) for Supervisors – Cal/OSHA

  • identify risk factors for heat-related illness
  • recognize the symptoms of heat-related illness
  • identify measures that can help to prevent heat-related illnesses in the workplace
  • recognize employer responsibilities for preventing and treating heat-related illnesses
  • identify special high-heat requirements that apply in specific industries

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