Safety Resource Library

Heat Stress

OSHA has launched a campaign in 2013 to help Prevent Heat Illness in Outdoor Workers.

HEAT ILLNESS CAN BE DEADLY. Every year, thousands of workers become sick from exposure to heat, and some even die. These illnesses and deaths are preventable.For more information, visit their website, and check out the information beow.

Factors Leading to Heat Stress

High temperature and humidity; direct sun or heat; limited air movement; physical exertion; poor physical condition; some medicines; and inadequate tolerance for hot workplaces.

Symptoms of Heat Exhaustion

  • Headaches, dizziness, lightheadedness or fainting
  • Weakness and moist skin
  • Mood changes such as irritability or confusion
  • Upset stomach or vomiting

Symptoms of Heat Stroke

  • Dry, hot skin with no sweating
  • Mental confusion or losing consciousness
  • Seizures or convulsions

Preventing Heat Stress

  • Know signs/symptoms of heat-related illnesses; monitor yourself and coworkers
  • Block out direct sun or other heat sources
  • Use cooling fans/air-conditioning; rest regularly
  • Drink lots of water; about 1 cup every 15 minutes
  • Wear lightweight, light colored, loose-fitting clothes
  • Avoid alcohol, caffeinated drinks, or heavy meals

What to Do for Heat-Related Illness

  • Call 911 (or local emergency number) at once
  • Move the worker to a cool, shaded area
  • Loosen or remove heavy clothing
  • Provide cool drinking water
  • Fan and mist the person with water

For more complete information: www.osha.gov (800) 321-OSHA

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