Radon. What is it? Should I test for it? Should I even be concerned?
Is this important? Yes. The Environmental Protection Agency (EPA) estimates that radon causes approximately 100,000 lung cancer deaths in the US yearly. Radon is considered the seventh-leading cause of cancer-associated death in the US.
How to measure radon? Measure radon with a home kit. Kits cost $15-25 and you use them in the home for 2-7 days. If a home has a crawl space, test the living area above the crawl space. Radon is measured in picocuries per liter of air (pCi/L). If you smoke 8 cigarettes/day that equals 4.0 pCi/L. Do not measure the soil level of radon.
What level is significant? 4.0 pCi/L is the level at which radon mitigation should be initiated.
How to mitigate radon? Active or fan-powered soil depressurization is a standard approach to radon reduction and mitigation. This may typically cost $1500. Each state has different certification and license requirements to be a radon mitigation service.
Do you need to retest? Yes, if the home has “settled” or the foundation has had structural changes.
How many homes have elevated radon levels? 6% of all US homes have radon levels over 4.0 Ci/L. But, different parts of the country can vary greatly. (70% of Iowa homes have elevated radon levels).
Want more information? Call the National Radon Program Services (with the EPA) at 1-800-557-2366. They are also known to have radon kits! or radon kit coupons.
I hope this helps.
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