Protect Yourself Heat Stress

When the body is unable to cool itself by sweating, several heat-induced illnesses such as heat stress or heat exhaustion and the more severe heat stroke can occur, and can result in death.
Factors Leading to Heat StressHigh 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, light-headedness 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.
• While waiting for help to arrive:
• 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:
Occupational Safety and HealthAdministration
U.S. Department of Labor http://osha.gov/index.html (800) 321-OSHA

OSHA 3267-09N-05

Courtesy of Karen Gibson, Safety Representative, AFGE 1438.