How Heat Stress Happens

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Man working outside. Thermometer reads 97 degrees F (36.1 degrees C)

1

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

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Worker wiping sweat from brow. Thermometr reads 99.7 degrees F (37.6 degrees C)

2

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

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Two paramedics bringing man into the hospital. Thermometer reads 104 degrees F (40 degrees C)

3

Severe illness occurs when body temperature reaches 104°F (40°C)

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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

Videos

How to Build a Heat Stress Rest & Prevention Station to Keep Workers Safe

Articles

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Construction worker setting up a tent for shade

Preventing Heat Stress at Work: Your Guide to Heat Stress Risks & Solutions [Updated 2021]

Weather patterns are changing. The planet’s getting warmer. And, in fact, all but three of the hottest years on record have occurred since 2000. On average, excessive heat causes 650 deaths in the United States every year. 39 of those took place on the job in 2016—double the amount that occurred only two years prior.

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Two workers

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. By 2050, the number of dangerous heat days (a heat index of above 104) across the US is projected to more than double from 20 to 58.

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Heat Stress Industry Survey

[Industry Survey] What are the EHS Professionals Doing to Prevent Heat Stress?

Heat-related illness accounted for 815 worker fatalities and over 66,000 injuries in the United States between 1992 and 2017. And with average heat indexes perennially rising, it’s never been more crucial for employers to establish comprehensive heat stress prevention plans to keep workers safe.

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Toolbox Talks

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Workers taking a break under an umbrella

Toolbox Talks: Why Shaded Areas are Important For Breaks at Work

Go ahead, throw some shade. With summertime temps getting more and more extreme, you need to be prepared to handle any heatwave and keep your workers safe. Giving your workers access to outdoor sun protection is critical in keeping them healthy and productive, come hell or high temperatures.

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Toolbox Talks. Worker drinking water

Toolbox Talks: How to Prevent Dehydration in the Heat

Cheers. Salut. Bottoms up. However you say it, it’s time to start tippin’ ‘em back. And by that, of course, we mean water. As the summer heats up, making sure you and your workers are properly hydrated becomes more and more critical when it comes to workplace safety.

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Toolbox Talks. Worker in the heat

Toolbox Talks: Warning Signs and Symptoms of Heat-Related Illness

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.

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