radon gas test 5

https://fun-wiki.win/index.php/Understanding_Your_Radon_Test_Results:_What_Homeowners_in_St._Louis_Need_to_Know

Radon is a radioactive gas that forms naturally from uranium in soil, rock, and water, and it can seep into homes through cracks in foundations, gaps around pipes, or sump pumps. Testing for radon is the only way to know if your home has dangerous levels, as it's colorless and odorless. A simple test kit, placed in the lowest livable area for a few days to months, can then be sent to a lab for analysis, helping you decide if mitigation steps like sealing cracks or installing a vent system are n…