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How does radon get into your home?

Any home may have a radon problem.

Radon is a radioactive gas.  It comes from the natural decay of uranium that is found in nearly all soils. It typically moves up through the ground to the air above and into your home through cracks and other holes in the foundation. Your home traps radon inside, where it can build up. Any home may have a radon problem. This means new and old homes, well-sealed and drafty homes, and homes with or without basements.

Radon from soil gas is the main cause of radon problems. Sometimes radon enters the home through well water (see www.epa.gov/radon/rnwater.html). In a small number of homes, the building materials can give off radon, too. However, building materials rarely cause radon problems by themselves.

For more information, see www.epa.gov/radon and www.epa.gov/radon/pubs/citguide.html

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Topic Information
  • Topic #: 23002-17247
  • Date Created: 5/2/2007
  • Last Modified Since: 10/14/2010
  • Viewed: 23233

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