The Environmental Protection Agency's website contains information about radon, air quality, water quality, and other issues regarding human health. The site covers a variety of topics and gives information about your specific location. An electronic copy of all the publications the EPA publishes can also be accessed on their website.
Kansas State University (K-State), as a partner in the Midwest Universities Radon Consortium, provides national radon services and projects for the US EPA. Our responsibilities include the National Radon Poster Contest, National Radon Hotlines, referrals to State Radon Programs, Radon Test Kit Orders and Coupons, Radon Mitigation Promotion, and other technical assistance and outreach activities.
The United States Geological Survey website informs readers of geology, biology, mapping, and water. The site provides maps of topography and geology, GIS maps, and weather patterns, among other things. The USGS site also offers some information about karst topography and it's relevance to radon.
The National Environmental Health Association provides an updated list of certified measurement operators and mitigators by state. It also includes a checklist for consumers to ensure that they hire the certified individual that best fits their needs. The site provides training information for those seeking to become certified in measurement or mitigation.
The National Radon Safety Board's website seeks to encourage the highest standards of practice and integrity in radon services through the development of independent standards and procedures for certifying, approving and accrediting radon testers, mitigators, measurement devices, chambers and laboratories. It is an independent, nonprofit organization modeled on the American Board of Health Physics and is governed by a Certification Panel representing different facets of the radon industry, home inspectors, state governments, and consumer interests. Lists of certified testers can be found here, as well as training information for aspiring testers and mitigators.
The American Society of Home Inspectors website allows you to become a member of North America's largest, oldest and most recognized organization for home inspectors. There is information for home buyers, sellers, and professional home inspectors. You can also search for a home inspector.