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  1. Radon | US EPA

    Mar 18, 2026 · Exposure to radon is the second leading cause of lung cancer after smoking. Radon is a colorless, odorless, tasteless and invisible gas produced by the decay of naturally occurring uranium …

  2. Radon Risks and Solutions - US EPA

    Dec 15, 2025 · Radon Risks and Solutions Radon is a naturally occurring radioactive gas that can enter homes from the ground and build up to dangerous levels. Learn how you can reduce your risk and …

  3. Radon Frequently Asked Questions - US EPA

    Aug 15, 2025 · Radon Frequently Asked Questions Search Frequent Questions for answers to the most common questions or send a question to our customer care team. Radon What is radon? Where …

  4. EPA Map of Radon Zones and Supplemental Information

    4 days ago · Find local information related to radon, including your state radon program, with contact information, EPA Regional contacts and a state-specific map.

  5. Acerca del radón - US EPA

    Aug 4, 2025 · El radon es un gas radioactivo que causa cancer. Aunque el radon no se puede ver u oler, ni tiene sabor puede causar problemas en su casa.

  6. Preguntas frecuentes sobre el radón - US EPA

    Dec 1, 2025 · Teléfono: (785) 532-6026 Fax: (785) 532-6952 Correo electrónico: Radon@ksu.edu Como miembro del Consorcio de Universidades del Medio Oeste sobre el Radón, se encarga de los …

  7. Health Risk of Radon - US EPA

    Nov 19, 2025 · Exposure to Radon can cause lung cancer in both non-smokers and smokers. Learn more about Radon risks and read studies on the health effects of radon exposure.

  8. What is EPA's Action Level for Radon and What Does it Mean?

    Nov 12, 2025 · What is EPA's Action Level for Radon and What Does it Mean? Radon in air is ubiquitous (existing or being everywhere at the same time). Radon is found in outdoor air and in the …

  9. What is Radon? - US EPA

    Oct 14, 2025 · What is Radon? Radon is a radioactive gas that forms naturally when uranium, thorium, or radium, which are radioactive metals break down in rocks, soil and groundwater. People can be …

  10. EPA Map of Radon Zones | US EPA

    Oct 14, 2025 · EPA Map of Radon Zones The U.S. Environmental Protection Agency (EPA) created this map to identify areas with the potential for elevated indoor radon levels. The EPA Map of Radon …