Get indoors as quickly as possible.
Shelter in an interior room without windows.
Put as many walls between you and the outside as possible.
Turn off all fans, HVAC or other ventilation devices.
UAB B-alert and /emergency will provide information during emergencies.
Stay indoors until instructed to do otherwise by someone in authority.
UAB B-Alert and www.uab.edu/emergency will provide information during emergencies.