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Jefferson County encourages residents to get free radon test kits
Update: A spokesperson for the Colorado Department of Public Health & Environment tells FOX31 that "they’ve probably run out" of the free tests and that "they went super-fast." Previous story: JEFFERSON COUNTY, Colo. -- Radon is a silent killer that may be seeping into your home, but there's no way to know it unless you take active steps to test for it.