radon and basement safety 5

https://online-wiki.win/index.php/How_a_Radon_Mitigation_System_Protects_Your_York_County_Home

Testing your basement for radon is a simple way to catch a hidden health risk before it becomes a problem. Sealing cracks in the foundation and improving ventilation can help lower levels, but the only way to know for sure is with a proper test kit.