best radon fans

https://www.google.com/maps/d/u/1/viewer?mid=1gLFpWRi8KipjkYPFcbaMaF3WKxEklEWN&ll=36.161805918140445%2C-86.74232806442973&z=11

There are no commonly available clinical tests to gauge whether you have actually been exposed to radon. But if you assume that you might have been, talk with your doctor about whether you need to get regular health