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The only
way to know if your new home has a radon problem is to test. The EPA recommends
that average annual indoor radon levels do not exceed 4 pCi/L.
If your home is built with a passive radon system, you should test it immediately
after moving in.
Remember: if your radon level is 4 pCi/L or above, a fan can be installed
easily to lower radon levels well below this guideline.
Radon
can enter your new house through cracks or openings in the foundation.
The
differences in the air pressure between a building and the soil around it
also play an important role.
Exposure
to radon gas is the second-leading cause of lung cancer (after smoking) in
the United States.
Radon is a radioactive gas that comes from the soil. Every year, 14,000 people
die from radon-related lung cancer.
Radon usually does not present a health risk outdoors because it is diluted with our atmosphere. Radon, however, can build up to dangerous levels inside a house.
