It's colorless, odorless, and it's common in central Illinois.


Over time, radon gas can be deadly. Right now state laws do not require landlords or home sellers to clean up the mess.

It's a very big deal in Central Illinois, done a lot of jobs, a lot of people test above threshold that the state of Illinois sets forth."

That safety threshold says any radon level at or above 4 point zero picocuries is unsafe. 67 percent of Peoria county and 65-percent of Mclean county are in the unsafe zone.

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