How dangerous is a 4.2 radon test result?


Quick Answer

A radon test result of 4.2 is somewhat dangerous, according to the EPA. Any amount of radon can carry some risk. When a short-term radon test is 4 or higher, additional testing is needed to determine if the radon is a problem and needs to be fixed.

Continue Reading

Full Answer

Radon levels below 4 do not require additional testing, states the EPA. Lowering radon exposure as much as possible, however, can reduce risks of lung cancer and other health risks. Levels above 4 need either a second short-term test or a long-term test. If the average of the two test results is still above 4, then the home should be fixed to remove the danger of radon exposure.

Learn more about Home Maintenance

Related Questions