Radon Safety
Radon is a colorless, odorless, tasteless gas that occurs from the natural breakdown of radium and uranium found in the soil. If it enters your home through small spaces and openings in the basement, can be harmful to your family's health.
You can buy a preliminary screening kit at your local home center or hardware store. Make sure the test you buy is certified by a government health department or consumer protection agency. Your local public health department can assist you with more extensive testing if your initial test results are positive.
The dangers of radon
Radon gas breaks down into radioactive particles called decay products that remain in the air. If you breathe in these particles, they can become trapped in your lungs. As the particles continue to break down, they release bursts of energy (radiation) that can damage lung tissue. This damage can eventually cause lung cancer.
Radon isn't harmful outdoors because the particles dissipate into the atmosphere. But inside your home, the particles keep circulating.
How it gets into your home
Houses act like large chimneys - as the air in the house gets warmer, it rises to leak out the attic openings and around the upper windows. This change in air pressure creates a small suction at the lower level of the house, pulling radon out of the soil and into the home.
Even sealing basement cracks with caulk can't stop it from entering - just a few tiny gaps or pinholes in the caulking to can let radon in.
Reducing radon levels
The method used to reduce will vary from house to house, and from region to region. Systems might include fans, pumps or other appliances.
If you're building a new home, simple radon-resistant construction techniques can significantly reduce the risk.
The costs can range from a few hundred dollars to several thousand, depending on the number of sources, the amount of radon in the surrounding land and the type of home construction.
To find a qualified radon contractor, contact your state radon expert for the requirements for your area.
Learn more: A Citizen's Guide to Radon - By the U.S. Environmental Protection Agency