Q. Should a 4.9 Radon Test Result Be Mitigated?

Hey Mark,
I’m selling my home and the buyers inspector did a radon test. The result was 4.9, and they said I had to have a mitigation system installed. That’s not very high. Why do I have to have it fixed?
Bob
Hey Bob,
Technically, there are no federal laws that require you  to do anything about the radon [...]