![[logo] US EPA](http://www.epa.gov/epafiles/images/logo_epaseal.gif){kind=logo}
Radon
Radon is a colorless, radioactive, inert gas formed from the disintegration of radium that sometimes enters homes and buildings.
January is National Radon Action Month
Important Information on Radon and Home Testing
Mid-Atlantic State Radon Contact Information (link to EPA headquarters)
Radon: The Invisible Killer - a video produced by the Colorado Department of Public Health and Environment and KLTV8 
Publications on Radon (link to EPA headquarters)
Radon FAQ (link to EPA headquarters)
Additional Radon and Radiation Information
- Pennsylvania Radon Test Results Data
- West Virginia Map of Potential Radon Test Results (PDF, 1pp, 65k, about PDF)
- National Radon Action Month (NRAM)
- Office of Radiation and Indoor Air (link to EPA HQ)
- US
Geological Survey
For additional information contact Cristina Schulingkamp 215-814-2086