high radon in Pennsylvania 5

https://romeo-wiki.win/index.php/What_Homeowners_in_Pennsylvania_Need_to_Know_About_Radon_and_Basement_Safety

Many Pennsylvania homeowners are unaware that the state has some of the highest radon levels in the country, especially in areas like the Reading Prong. This odorless gas can build up in basements and lower floors, posing a long-term health risk. Getting a simple test kit is the first step to knowing if your home is safe.