Radon

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What is Radon?

Radon is a radioactive gas that is found in the earth’s rock below the soil. It is formed by the natural breakdown of radium. Radon gas is invisible and odorless. It is a health hazard when it accumulates to high levels (4 pCi/l or greater) inside homes or other structures. A high level of indoor radon exposure is estimated to cause between 15,000 and 20,000 lung cancer deaths per year in the United States. This accounts for 12 percent of all cancer deaths and is the second leading cause of lung cancer deaths in the United States.

The only way to determine if radon gas is a problem in your home or building is by measuring the level of radon gas present.

Guilford County Department of Health & Human Services, Public Health Division periodically has free radon test kits. To inquire if we have any test kits please call the Public Health Division at (336) 641-3771.

For more information on radon in NC, visit www.NCRadon.org or www.epa.gov/radon

Expand/Contract Questions and Answers

  • HOW DO YOU DETERMINE WHETHER RADON IS A PROBLEM IN YOUR HOME OR BUILDING?

  • HOW DOES RADON GET INDOORS?

  • HOW SERIOUS A PROBLEM IS RADON IN THE UNITED STATES?