Frequent Tests Are Unnecessary
Radon is a naturally occurring gas that is derived from radioactive uranium. Because radon is a product of geology, which shifts only slowly over time, a single test for the presence of radon in a home, properly performed, should provide sufficient assurance that the home will remain radon free for the near future.
Radon Can Find New Ways In
Although the presence of radon in the earth around a house will not change, according to the U.S. Environmental Protection Agency, radon can enter through cracks in floors or walls, construction joints and the water supply. The structure of a house can shift over time, allowing radon to find new ways in.
At a minimum test every couple of years; however earthquakeserious remodeling or a fire and seasons may change radon levels. The EPA provides an additional long-term test that creates an average over time.
- Photo Credit Toxic hazard flag image by Stasys Eidiejus from Fotolia.com
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