HARRISBURG – PA Department of Environmental Protection Executive Deputy Secretary Ramez Ziadeh encouraged Pennsylvanians to test their homes for radon as part of National Radon Action Month. High levels of radon have been found in every PA county. Since you can’t see or smell it, doing a radon test is the only way to find out if you’re breathing in high levels. Radon test kits are available at hardware stores for about $20 and are simple to use, requiring only that the canister be opened and placed in the lowest livable level of the home, usually the basement. For homes on a slab or over a crawl space, the test should be placed on the first floor. The test kit remains in place for a few days, and then is mailed back to a lab. You can also hire a certified radon tester.