Radon Facts

You can't see radon. And you can't smell or taste it, but it may very well be a problem in your home. Radon is a cancer-causing, radioactive gas, and when you breathe air containing the gas, you can get lung cancer. In fact, radon has now been declared the second leading cause of lung cancer in the United States today. Only smoking causes more lung cancer deaths. If you smoke and your home has high radon levels, your risk of lung cancer is especially high.

You can find radon all over the United States. It comes from the natural breakdown of uranium in soil, rock and water and gets in to the air you breathe.

Radon can get into any type of building, home, office, or school and build up to high levels. But you and your family are most likely to get your greatest exposure in your home, because that is where you spend most of your time.

Testing is the only way to know if you and your family are at risk from radon. The Environmental Protection Agency and the Surgeon General recommend testing all homes below the third floor for radon

It is inexpensive and easy to do the testing and it only takes a few minutes of your time. Millions of Americans have already had their homes tested.

Radon from soil gas is the main cause of radon problems although it can also enter the home through well water. And in a small number of homes, certain kinds of building materials may give off the gas, too. However, the building materials rarely cause the problem by themselves.

Nearly 1 out of every 15 homes in the U.S. has elevated radon levels. Inspectors have found elevated levels of radon gas have been found in every state of the U.S.

Contact your state radon office for general information about radon in your area. While radon problems may be more common in some areas, any home may have a problem. Home buyers and renters should always ask about radon levels before they buy or rent a home.

While radon in water is not a problem in homes served by most public water supplies, it has been found in some well water. If you've tested the air in your home and found a radon problem, and your water comes from a well, contact a lab certified to measure radiation in water--and have them test your water. If you're on a public water supply and are concerned that radon may be entering your home through the water, call your public water works.

Since there is no known safe level of radon, there can always be some risk. But you can reduce the risk by lowering the radon level in your home. In some cases, sealing cracks in floors and walls may help to reduce radon. In other cases, simple systems using pipes and fans may reduce the gas. Because major renovations can change the level of radon in any home, always test again after you have any work done. There are reliable test kits available through the mail, in hardware stores and certain other retail outlets.

Now, that brings us to another question. Suppose you do the testing and find you have radon. What should you do about that? Here's what you don't do. Don't install an exhaust fan in your basement and consider the problem solved. In most states, radon remediation must meet certain standards of design and construction. Many municipalities require a licensed contractor to apply for a radon remediation permit and install the system.

A Kansas man had his father-in-law (a factory maintenance technician) install a vent pipe and fan system. But when he went to sell his home, this system held up the sale. It had to be ripped out and replaced. Not just because it didn't have the necessary paperwork, but also because it didn't meet the performance standards. People who install their own systems typically have no idea what those standards are or if their radon remediation efforts are sufficient.

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