Radon Information Resources
View Frequent Questions / Ask a Question
Search frequently asked questions or submit your own question or comment in our Frequent Questions Database. In addition to questions and answers relating to radon, you may use this database to find information on any of our topic areas (click on the icon for a list of IAQ topics with their descriptions, for example, Asthma, IAQ Tools for Schools, Mold, Smoke-free Homes, IAQ Design Tools for Schools, and General Indoor Air Quality Issues. Also Radón en Español). You can also use this database to subscribe to any new information or updated information relating to any of the topics that may be posted on our website.
EPA supports the following hotlines to best serve consumers with radon-related questions and concerns.
- 1-800-SOS-RADON
(767-7236)* Purchase radon test kits by phone.
- 1-800-55RADON (557-2366)* Get live help for your radon questions.
- 1-800-644-6999* Radon Fit-It Hotline. For general information on
fixing or reducing the radon level in your home.
- 1-866-528-3187* Línea Directa de Información sobre Radón en
Español. Hay operadores disponibles desde las 9:00 AM hasta las 5:00 PM para
darle información sobre radón y como ordenar un kit para hacer la prueba de
radón en su hogar.
- 1-800-426-4791 Safe Drinking Water Hotline. For general information on drinking water, radon in water,
testing and treatment, and standards for radon drinking water. Operated
under a contract with EPA
* Operated by the National Safety Council in partnership with EPA
If you are interested in finding a qualified radon service professional to test or mitigate your home, or you need to purchase a radon measurement device, you should:
- Contact your State
Radon Contact (go to
www.epa.gov/iaq/whereyoulive.html click on your state) 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 radon
programs (listed here alphabetically) who are offering proficiency listing/accreditation/certification
in radon testing and
mitigation. (Reference herein to any specific commercial products,
process, or service by trade name, trademark, manufacturer, or otherwise, does
not necessarily constitute or imply its endorsement, recommendation, or
favoring by the United States Government.)
The National Environmental Health Association (NEHA)
National Radon Proficiency Program
Website: www.radongas.org/
Toll Free: (800) 269-4174 or
(828) 890-4117
Fax: (828) 890-4161
E-Mail Address: angel@neha-nrpp.orgThe National Radon Safety Board (NRSB)
Toll Free: (866) 329-3474
Fax: (914) 345-1169
WebSite: www.nrsb.org
E-mail Address: info@NRSB.org
You can order Indoor Air Quality publications from EPA's National Service Center for Environmental Publications (NSCEP):
National Service Center for Environmental Publications (NSCEP)
P.O. Box 42419
Cincinnati, OH 45242-0419
Website: www.epa.gov/nscep
Phone: 1-800-490-9198
Fax: (301) 604-3408
E-mail: nscep@bps-lmit.comNSCEP operates a Toll-free phone service for EPA Publication Assistance with live customer service representative assistance Monday through Friday from 9:00am-5:30pm eastern time. Voice Mail is available after operating hours. You can fax or e-mail your publication requests. For technical assistance with NSCEP web pages, write to: nscep_nepis.tech@epa.gov
Please use the EPA Document Number, which is usually bolded or highlighted, when ordering from NSCEP.