Sites located in a Radon Zone-1 (highest level) will require Radon Resistant New Construction Practices, in every building. Rehabilitation projects must meet the Radon Mitigation Standards as required by the Environmental Protection Agency. The following counties are located in Radon Zone -1: Calhoun, Clay, Cleburne, Colbert, Coosa, Franklin, Jackson, Jefferson, Lauderdale, Lawrence, Limestone, Madison, Morgan, Shelby, and Talladega.
View map of Radon Zones in Alabama
View Radon Resistant New Construction Practices
View Radon Mitigation Standards