Safe Work Reminders for Extreme Heat

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NIOSH Heat Index App

With summer approaching, familiarize yourself with these good safety habits to avoid heat-related illness.

Get Acclimatized:

• If new to a job or returning to work after a long absence, take time to acclimatize.
• Start with a light workload and gradually increase working time and effort over one to two weeks.
• New workers need more time to acclimatize to hot temperatures than returning workers.
• Pay close attention to how you feel.
• Additional Resource: NIOSH Acclimatization Fact Sheet

Stay Cool:

• Take breaks in cool areas out of the sun.
• Shorten work times and increase rest times. Additional resource: NIOSH Work/Rest Schedules Fact Sheet
• Schedule outdoor work and activities for early mornings or late evenings.
• Wear light-colored, loose-fitting, quick-drying clothes.
• Wear sunscreen and wide-brimmed hats.

Stay Hydrated:

• Drink water before and after work.
• Drink 1 cup of water every 15 to 20 minutes during work activity. Don't wait until you are thirsty.
• Eat small meals throughout the day for salt, electrolytes and essential minerals.
• Drink sports drinks in moderation.
• Avoid alcohol, caffeine and sugary drinks.
• Do not drink more than 48 oz. (1½ quarts) per hour.
• Additional resource: NIOSH Hydration Fact Sheet

Stay Informed:

• Check local news for extreme heat alerts.
• Download the free OSHA-NIOSH Heat Index App (for iPhone) (for Android).
• Be aware that wearing certain types of personal protective equipment can increase risk of heat exposure.
• Check with your doctor - certain health conditions and medications can increase risk of heat exposure.
• Know the symptoms of heat-related illnesses and first-aid response. Additional resource: NIOSH First Aid for Heat Illness Fact Sheet

Stay Together:

• Don't work alone; use the buddy system.
• Check in regularly with the people with whom you work.
• Pay extra attention to new workers and those at higher risk.

For more information, consult the Centers for Disease Control and Prevention Heat Stress Website.