Idaho Department of Health and Welfare

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The Idaho Department of Health and Welfare encourages homeowners to test for radon levels after discovering nearly 40 percent of Idaho homes' radon levels tested higher than recommended levels.

High radon levels have been found in homes in every Idaho county, which the IDHW began monitoring test results for over 20 years ago, a press release from the department states.

Radon, an invisible radioactive gas formed from natural deposits of uranium and radium in Idaho soils, is drawn into homes and buildings through gaps and cracks in crawlspaces and foundations. 

Radon is the second-leading cause of lung cancer, according to the release. The Environmental Protection Agency estimates that radon causes 21,000 deaths in the U.S. each year. 

In order to know if your house has high levels of radon you must test for it. Visit to order a radon test kit with simple instructions for $9.95. The cost for the test covers shipping, handling and test results. Call the Idaho CareLine at 2-1-1 for more information.

Testing involves opening a package and placing a small measuring device in your home for several days, according to the press release. The kit is then mailed to a lab for processing with results returned to the homeowner.

“Because winter is the best time to test, January is national Radon Action Month," stated Colby Adams, environmental health director for IDHW’s Division of Public Health. "Radon test kits are just $9.95, so Idaho homeowners can find out if their home has high radon levels and take steps to fix a problem to protect themselves and their family."


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