The EPA recommends action at 4 pCi/L or higher. Levels between 2–4 pCi/L are considered elevated. Here's what those numbers actually mean.
DezAir Quality TestingThe EPA identifies radon as the second leading cause of lung cancer in the U.S., and the leading cause among non-smokers.
DezAir Quality TestingRetest every 2 years if mitigation was performed, or every 2–5 years if it wasn't. Here's why retesting matters even after a clean result.
DezAir Quality TestingIllinois has elevated radon potential in many areas due to local soil and geology. Here's what that means for Chicagoland homeowners.