Link to Common Questions about Radon http://www.idph.state.il.us/envhealth/factsheets/radon.htm
Radon Gas can be found in every home in Northern Illinois, the question is at what level. The EPA and the Illinois Emergency Management Agency (IEMA) set the action level in Illinois at 4.0 picocuries per liter of air (pCi/L). Radon is the leading cause of lung cancer among non-smokers! With the increase in computer technology we have been able to better understand this problem and now it's time to get the word out!
The US EPA, Surgeon General, American Lung Association, American Medical Association, and National Safety Council recommend testing your home for radon because testing is the only way to know your home's radon levels.
Radon is a national environmental health problem. Elevated radon levels have been discovered in every state. The US EPA estimates that as many as 8 million homes throughout the country have elevated levels of radon.