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Radon Hotlines and 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, 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.

Radon Hotlines (Toll-Free)

EPA supports the following hotlines to best serve consumers with radon-related questions and concerns.

  • 1-800-SOSRADON (1-800-767-7236)* 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.
  • 1-800-426-4791 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 Kansas State University in partnership with EPA

    Kansas State University (KSU)
    Website: www.sosradon.org exiting EPA
    Phone: (785) 532-6026 / Fax: (785) 532-6952
    Email: Radon@ksu.edu

    As a partner in the Midwest Universities Radon Consortium, conducts National Radon Program Services, including the National Radon Poster Contest, National Radon Hotlines, and Referrals to State Radon Programs, Radon Test Kit Coupons, Radon Mitigation Promotion and other outreach activities.

Find a Radon Service Provider Near You

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:

  1. Contact your State Radon Contact at www.epa.gov/radon/whereyoulive.html to find out 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.

  2. 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.)
National Radon Proficiency Program (NRPP)
Toll Free: (800) 269-4174 or (828) 890-4117
Fax: (828) 890-4161
Website: www.nrpp.info exiting EPA
Email: angel@nrpp.info
National Radon Safety Board (NRSB)

Website: www.nrsb.org exiting EPA
Call: (866) 329-3474
Fax: (914) 345-1169
Email: info@NRSB.org

Radon Publications

Find a listing of Radon Publications and Resources at www.epa.gov/radon/pubs/index.html. You can order publications from EPA's National Service Center for Environmental Publications (NSCEP):

National Service Center for Environmental Publications (NSCEP)
Website: www.epa.gov/nscep
Phone:  1-800-490-9198 (M-F from 9am-5:30pm Eastern)
Fax:  (301) 604-3408
Email:  nscep@bps-lmit.com

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A Citizen's Guide to Radon

Read "A Citizen's Guide To Radon: The Guide to Protecting Yourself and Your Family from Radon
Buying or Selling a Home? Read the "Home Buyer's and Seller's Guide to Radon"
Read A Consumer's Guide to Radon Reduction: How to Fix Your Home
EPA's Radiation Protection Program page on Radon
Health Risks Hotlines Indoor airPLUS Kids, Students & Teachers Map of Radon Zones Media Campaigns National Radon Action Month Radon-resistant New Construction Radon and Real Estate Radon and Drinking Water RadonLeaders.org State Radon Contacts SIRG Test & Fix Your Home Webinars Indoor Air

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