Myth #10 – Short-term tests aren’t enough to make a decision about taking action to fix radon in your home. The last myth is still a common one.
Fact: The fact is that short-term tests can be enough, provided you use more than one. Two radon tests could be enough to take action provided that at least one of the tests is above the recommended 4.0 pCi/L. The reason for this is that radon gas levels can be seasonal. Higher in the winter than the summer for example. To conclusively know if you are safe from radon you should regularly monitor radon levels.