Radon Basics

Radon is a colorless, odorless gas that results from the natural breakdown of uranium in rock and soil. It migrates from the ground through the lowest level in a building. The types of rocks and soils known to produce radon are found throughout Ohio but particularly prevalent in mid-Ohio. Exposure to radon is known to cause lung cancer. The University of Toledo estimates that of the 7700 new lung cancer cases in Ohio each year, radon is responsible for at least 900 of them.

Testing

It’s impossible to know the radon level in a building without testing. Buildings in high-risk areas may have low levels of radon while homes in lower risk areas may test high. The Ohio Department of Health (ODH) suggests that all owners test their properties for radon. Ohio law permits homeowners to do their own testing. Anyone else must use a licensed radon tester or mitigation specialist. Low-cost radon tests are available through the ODH Indoor Radon Program.

Reduction

Radon is measured in units of concentration called picocuries per liter of air (abbreviated pCi/l). While it is not possible to rid a home of all radon, a level as low as 2 pCi/l is considered achievable. Installation of a radon reduction system is recommended for radon levels of 4 pCi/l and above. The most common way of reducing radon entering your home is through a vent pipe system and fan. According to the University of Toledo, the typical cost of a radon mitigation system in Ohio is between $600 and $1,200; the fan to run this system averages $70 per year in utility costs.

Radon Professionals

In Ohio, all radon companies and personnel involved with testing and installation of radon reduction systems must be licensed. The ODH Radon Licensing Program manages the licensing program covering contractors, specialists who design and supervise installation of systems, radon testers, radon laboratories and the companies that provide radon training. The Radon Licensing Program maintains a data base of licensed radon testers and contractors.