Radon Levels Missouri Umbra

When I bought my first house in Jefferson County back in the early 2000s, radon was the last thing on my mind. I was more concerned with the roof age, the furnace, and whether the basement had ever flooded. It was only after a neighbor mentioned testing for radon that I started paying attention. At the time, I thought it was one of those things that only mattered if you lived out west or near some old mine. I was wrong. Radon is a radioactive gas that comes from the natural