radon levels missouri 12

https://front-wiki.win/index.php/Understanding_Radon_Hillsboro_MO:_A_Homeowner%27s_Guide_to_Testing_and_Mitigation

Radon levels in Missouri can be surprisingly high, especially in homes built on granite or limestone bedrock. Testing for this colorless, odorless gas is simple with a home kit from your local hardware store or health department. If levels top 4 pCi/L, mitigation systems can effectively reduce exposure and protect your family's health.