What is radon?
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.
How does radon enter my home?
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.
How can I test for radon?
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.
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