How much percentage of deaths in confined spaces is due to heat stress or exposure?

The statistic indicating that 6% of deaths in confined spaces are due to heat stress or exposure reflects the significant but relatively minor role that heat-related incidents play in the overall risk associated with confined spaces. While confined spaces can present multiple hazards such as toxic atmospheres, lack of oxygen, and physical hazards, heat stress is specifically linked to failing to manage environmental conditions and personal protective equipment effectively within these spaces.

This percentage underscores the importance of not only recognizing more prominent dangers but also addressing less frequent but still serious risks such as heat exposure. It suggests that while heat stress contributes to fatalities, it is not the leading cause, highlighting why comprehensive training and understanding of all potential risks in confined spaces are essential for worker safety. The statistic serves as a reminder for workers and safety professionals to monitor environmental conditions and prioritize hydration and ventilation, particularly in confined workspaces where heat can accumulate.