metro east radon 4

https://fun-wiki.win/index.php/Understanding_Radon_Illinois_Homes:_What_Metro_East_Homeowners_Should_Know

I’ve been reading up on radon levels in Metro East, and it’s surprising how many homes in Illinois counties like St. Clair and Madison have elevated risks. Testing is pretty straightforward, and since radon is a silent health hazard, it makes sense to check your basement or crawlspace before it becomes a bigger issue.