What is Radon?
Rn is a radioactive gas that comes from the breakdown of naturally occurring uranium in soil and rock. It is invisible, odorless and tasteless, and can only be detected by specialized tests. Radon enters homes through openings that are in contact with the ground, such as cracks in the foundation, small openings around pipes, and sump pits.
Radon Causes Lung Cancer

Rn is the leading cause of lung cancer among non-smokers, according to the U.S. Environmental Protection Agency. Overall, Rn is the second leading cause of lung cancer. The more Rn you are exposed to, and the longer the exposure, the greater the risk of eventually developing lung cancer. Radon is responsible for about 21,000 lung cancer deaths every year in the United States. About 3,000 of these deaths occur among people who have never smoked.
Radon licensing
If you are interested in becoming a qualified radon service professional in order to test or mitigate a home, you need to be licensed.
- Contact your State Rn Contact (go to https://www.epa.gov/radon/find-information-about-local-radon-zones-and-state-contact-information and click on your state to get contact information) to determine what are, or whether there are, requirements associated with providing radon measurement and or radon mitigations/reductions in your State. Some States maintain lists of contractors available in their state or they have proficiency programs or requirements of their own.
- Contact one or both of the two privately-run National Rn Proficiency Programs (listed below alphabetically) who are offering proficiency listing/accreditation/certification in radon testing and mitigation.
National Rn Proficiency Program (NRPP)
Phone (toll free): (800) 269-4174 or (828) 890-4117
Email: certification@nrpp.info
National Rn Safety Board (NRSB)
Phone: (866) 329-3474
Email: info@NRSB.org
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Last Updated on 4 years ago

