Osha Worksite Heat Illness Awareness Poster

Prevent Heat Illness at Work 
Outdoo r and indoor  heat exposure can be dangerou s. 	
Ways to  Protect Y ourself and Others 	
Ease i nto  Work. N early 3 out of 4  fatalities from heat illness happen during the first  week of  work. 	
100% 	
20% 
MON     TUE      WED     THU      FR I 	
New and returning workers need to build toler ance to heat (acclimatize) and take  frequent brea ks. 
Follow the 20% R ule. On the first da y, work no more than 20% of the shift ’s du ration at full intensit y in the heat. 
I ncrease the du ration of time at full intensit y by no more than 20% a day until workers are used to working in the heat . 
Drink Co ol Water  
Drink  cool water even if you are not thirst y — at least 
1 cup every 20 minute s. 
Ta ke  Rest Break s 
Take enough time to recover  from heat given the 
temper ature, humidi ty, and conditions. 
Find Shade or a Cool Area 
T ake brea ks in a designated shady or cool location.  Dress for the Heat 
We
ar a hat and light- colored, loose-fitt ing, and 
breathable clothing if possible . 
W atch Ou t for Each Othe r 
Monitor yourself and others for signs of 
heat illness . 
If W earing a  Face Co vering 	
Ch ange your face covering if it ge ts wet or soiled. 
Verbally check on others  frequentl y. 	
First Aid for  Heat Illne ss 	
The following are signs of a medical emergency! 
Abnormal thinking or behavior 	
? ?	
?	? 	?	? 	Slurred speech 	
9-1- 1 	
Seizure s 
Loss of conscious ness 	
1 	CALL 911 IMMEDIA TELY 	
2 	COOL THE WORKER RIGHT AW AY WITH  WATER OR IC E 	
3 	STAY  WITH THE WORKER UNTIL HELP ARRIVES 
Wa tch for any other signs of heat illness and act quick ly. When in doub t, call 91 1. 	
If a work er experiences : 
Headache or nause a 
We akness or diz ziness 
He avy sweating or ho t, dry skin 
Ele vated body temper ature 
Thirst 
Dec rease d urine output 	Take  these actions: 
Gi ve water to drink 
Remove unnecessar y clothing 
Move to a  cooler area 
Cool with  water, ice, or a fan 
Do not le ave alone 
Seek medical car e if needed 
For more information: 1-800-321-OS HA (674 2) 
TT Y 1-87 7-889-562 7 www .osha.go v/heat 	
Feder al law entitles you to a safe workplace. Y ou have the right to speak up about 
hazards withou t fear of retaliatio n. See www .osha.gov/wo rker s for information 
abou t how to file a confidential complaint with OSHA and ask for an inspecti\
on . 	
OSHA 3431-05R 2021