Should I worry about 4.4 radon level?
Should I worry about 4.4 radon level? Levels of 4 pCi/L or higher are considered hazardous. Radon levels less than 4 pCi/L still pose a risk and in many cases can be reduced, although it is difficult to reduce levels below 2 pCi/L. Is a radon level of 2.7 safe? Read more…