What is radon?

Radon is a naturally occurring, invisible, odorless gas that comes from deposits of uranium in sod, rock, and water. It is harmlessly dispersed in outdoor air, but when trapped in buildings can be harmful, especially at elevated levels. Radon is a radioactive decay product of radium, which is a decay product of uranium. Both uranium and radium are common elements in soil.

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1. What is radon?
2. Where is radon found?
3. How does radon get into my house?
4. What are the health effects of radon?
5. How is radon measured?
6. Where can I get the air and water testing kits?
7. What can be done if my home has elevated levels of radon?