It's the second leading root cause of lung cancer, after tobacco smoking. As an odorless and anemic gas, there is no other way to recognize if it is in your house unless you examine for it. Among the biggest issues in the radon industry is follow-up testing. Unfortunately, many individuals think they are safe because they have a radon reduction system but have never ever done a radon test to see to it it's really functioning. Please ensure to do a radon examination after a reduction system is installed and additionally at least every two years afterwards.