
How Heat Stress Happens

1
Body’s means of controlling its internal temperature starts to fail

2
Once body temps reach 99.7°F (37.6°C), heat stress has begun to affect the body

3
Severe illness occurs when body temperature reaches 104°F (40°C)
Common Heat-Related Illnesses

Over 900 U.S. workers were killed and almost 80,000 seriously injured by heat stress between 1992 and 2020.
- Bureau of Labor Statistics
Heat Stress Solutions
Hydration
Shade
New
Cooling PPE
Videos
See the Skin Saving Power of Sunscreen in Action
How To Use PPE with Evaporative and Phase Change Cooling Technologies to Prevent Heat Stress
How to Build a Heat Stress Rest & Prevention Station to Keep Workers Safe
Blog Articles
OSHA Heat Stress Standard: An Overview of OSHA’s National Emphasis Program for Heat-Related Illnesses
OSHA’s National Emphasis Program for Outdoor and Indoor Heat-Related Hazards was recently launched with the goal of protecting millions of workers from heat-related illness. Here’s what it means for you.
4 Major Factors to Prevent Heat-Related Illness and Fatalities
Experts in the athletic field have long studied the impact heat stress can have on athletes of all ages and levels. What can safety managers learn by applying these findings to industrial settings?
Working in the Heat: Outdoor vs. Indoor Heat Stress Prevention Programs
It’s time to face facts—everything on this green earth is getting hotter. 2020 tied the planet’s warmest year ever, joining 18 other record highs set since the turn of the millennium. For workers regularly bearing the brunt of these temps, these trends are not to be taken lightly. But, by developing worksite-specific heat illness prevention plans, safety managers can save lives as soon as today.
Toolbox Talks
Why Shaded Areas are Important For Breaks at Work - Toolbox Talks
In 2014, OSHA kicked off an annual campaign to train and educate workers about heat stress management called Water. Rest. Shade. Focused on shade, this Toolbox Talk can help you educate your crew on the importance of periodically seeking shelter from the sun during the workday.
How to Prevent Dehydration in the Heat - Toolbox talks
In 2014, OSHA kicked off an annual campaign to train and educate workers about heat stress management called Water. Rest. Shade. Use this Toolbox Talk to brief workers on the signs/symptoms of dehydration, as well as effective hydration strategies.
Warning Signs and Symptoms of Heat-Related Illness – Toolbox Talks
If it seems like summers have been getting hotter and more extreme, you’re right. On average, summers over the past decade have been hotter on average and bring more heat waves with temperatures that fall into the “extremely hot” category. This presents a challenge for you as you look to keep your workers safe in extreme weather.