Tips before Entering a Shelter
If you are outside when the alert is given, get inside a stable building as soon as you can.
Before Entering a Shelter
- Remove clothing, shoes, and accessories before entering your shelter area.
- During severe weather, such as extreme cold, remove at least the outer layer of clothes before entering the home to avoid bringing radioactive material into your shelter. Leave clothing and shoes outside.
- Shower and wash your body with soap and water. Removing clothing can eliminate up to 90% of radioactive contamination. By taking this simple step, you will reduce the time that you are exposed and also your risk of injury from the radiation.
- Turn off fans, air conditioners, and forced-air heating units that bring air in from the outside. Close and lock all windows and doors, and close fireplace dampers.
Moving Into the Shelter
- When you move to your shelter, use duct tape and plastic sheeting to seal any doors, windows, or vents for a short period of time in case a radiation plume is passing over (listen to your radio for instructions). Within a few hours, you should remove the plastic and duct tape and ventilate the room. Suffocation could occur if you keep the shelter tightly sealed for more than a few hours.
- Keep your radio tuned to an emergency response network at all times for updates on the situation. The announcers will provide information about when you may leave your shelter and whether you need to take other emergency measures.
- Page last reviewed: July 10, 2014
- Page last updated: October 7, 2014
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