Everyone is at risk for radon exposure. "If you've got ground contact with your house, you've got the opportunity for radon to come up," said Jessica Karns, with radon testing and mitigation company A ...

Seashell driveway installation. What Is It? Installing a radon mitigation system. Lee Gilliam upgrades a coastal house's gravel driveway to a seashell driveway. The gang plays "What Is It?" with a ...

Add Yahoo as a preferred source to see more of our stories on Google. A-graphic-with-the-words-Radon-Free-and-a-house-outline-are-laid-over-a-field-of-green-grass-and-blue-skies. A silent killer is ...

You got the radon test results back. The numbers are high—maybe 8.0 pCi/L, maybe higher. Your realtor says you need mitigation before closing. Or maybe you've lived in your Wisconsin home for years ...