radon levels st louis 2

https://tango-wiki.win/index.php/Why_Radon_in_Basement_Levels_Matters_Most_for_St._Louis_Homeowners

Radon levels in St. Louis can be a concern, especially in areas with certain types of bedrock. It's a naturally occurring radioactive gas that can seep into homes, and testing is the only way to know if your home is affected. Many parts of the region have moderate to high potential for elevated radon, so getting a test kit and following up with mitigation if needed is a smart move for any homeowner.