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Chemical or Biological Emergency

1.  Listen for instructions from authorities such as whether to remain inside or evacuate.
2.  If you are instructed to remain inside the building move to a tornado shelter area during a chemical or biological attack:
  • If A/C or fan controls are in the room, turn off all ventilation, air conditioners, vents and fans. 
  • Seek shelter in an internal room, preferably one without windows. 
  • Remain in protected areas where toxic vapors are reduced or eliminated.
3.    If you are caught in an unprotected area, you should:
  • Attempt to get up-wind of the contaminated area. 
  • Attempt to find shelter as quickly as possible


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