radon test st louis 4

https://city-wiki.win/index.php/Understanding_Radon_in_Basement:_What_St._Louis_Homeowners_Need_to_Know

Homeowners in St. Louis are increasingly aware of radon risks, especially with the region's soil and old housing stock. A simple test can reveal if levels are high, and free test kits are available through local health departments. Winter is a good time to test when windows are sealed tight.