If you are selling or buying a home and a home inspection reveals it to be positive for Radon, fear not. Below are answers to common Radon questions.
What is Radon? Radon is a radioactive gas that is found in homes across the United States. In fact, 1 in 3 homes in Maine will likely have an elevated radon Level. Radon comes from the natural breakdown of uranium in soil, rock and water and it gets into the air we breathe. It moves up through the ground to the air above and into your home through cracks and other holes in the foundation. It can also show up in your well water. Any home, no matter the age, and regardless of how well sealed it may be -can test high for Radon.
What Risks are Associated with Radon? In 1998, a study was done on radon and lung cancer by the National Academy of Sciences. It found that approx. 12% of lung cancer deaths in the United States are linked to Radon. Radon is the second leading cause of death due to lung cancer in the Unites States.
How do I Test for Radon? Testing for Radon requires special equipment because you cannot see or smell radon. Its best to contact a registered Radon tester. Many home Inspectors can do this test for you. Maine law requires that the testing device be placed on the lowest livable level of the home. If you have a full basement that can finished as additional living space it should be placed there however if you have a crawl space, the first floor should be tested. Test for Radon typically need to remain on site for 24-48 hours. When testing a house, all windows and doors MUST remain closed.
What is Considered a High Radon Level? Radon test results are reported in picocuries per liter of air ( pCi/L) Maine recommends that your seek radon treatment if your home tests at 4 pCi/L or higher.
How do I Reduce the Level of Radon in my Home? Lowering the Radon in your home will vary in cost depending upon how your home was built as well as other factors, however most homes can be fixed for approx $1,200 on average. The level on Radon in your home has no bearing on the cost of installing a mitigation system. The most reliable, durable, and least expensive method for lowering Radon is to install a simple system using pipes and fans. This system is referred to as Sub-Slab Depressurization or Sub-Slab Suction. This system removes Radon gas from below the home before it can enter the home.
How do I Find Someone to Fix my Radon Problem? If you are living in Maine you can call 1-800-232-0842 or visit www.maineradiationcontrol.orgfor a list of registered Radon mitigators in your area.
What About Radon in My Water? If you home gets its water from a well, it is also a good idea to have your water tested for Radon. The Maine Bureau of Health recommends Radon concentrations in drinking water of 20,000 pCi/L or above to be reduced. Testing for Radon in your water is a different test then testing for Radon in the air and you must specifically ask your home inspector to do both tests.