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Radiation Protection

  • Pre-scripted messages for emergency response

    Q&As and templates for users of the 2017 Protective Action Guide (PAG) Manual

    View Risk Communication Tools
  • Calculate Your Radiation Dose

    You can estimate your yearly dose from natural, technological, and medical sources of ionizing radiation. 

    Try the Radiation Dose Calculator
  • Understand Radiation Health Effects

    Health effects from radiation exposure depend of the type of radiation, how much of it was absorbed by the body, and how it was received.  

    Learn about Radiation Health Effects
  • Understand Radiation Units

    Different terms and units are used to measure radioactivity and estimate health effects.

    Learn about Radiation Terms & Units

EPA sets environmental standards, develops federal guidance and provides technical expertise to protect human health and the environment from the use of radioactive materials. Before you dive in, learn about the basics of radiation.

  • Regulations, Guidance & Compliance

    A book in the stacks at a library

    EPA standards set protective limits on the radioactivity in soil, water and air that comes from human use of radioactive elements. 

    Learn about EPA's role in Radiation Protection
  • Emergency Response

    Cobalt Magnet 2025 radiological emergency response exercise with EPA staff

    EPA maintains teams to respond to emergencies involving radiation and provides guidance on risk communication.

    Learn about EPA’s Radiological Emergency Response
  • Science & Tools

    atom

    Learn about radiation science, TENORM, and tools for calculating radiation dose & risk.

    Explore Radiation Science and Tools
  • RadNet

    Map of RadNet air monitoring locations.

    RadNet has 140 radiation air monitors in 50 states and runs 24 hours a day, 7 days a week collecting near-real-time measurements of gamma radiation. 

    Explore the RadNet Dashboard
  • RadTown

    The four districts of RadTown: Neighborhood, Outdoors, Waterfront, Downtown.

    EPA’s learning destination for all things radiation! Learn about different types, sources, and uses of radioactive material or radiation.

    Explore RadTown!

Resources

  • Frequent Questions about Radiation Protection at EPA
  • Regional Radiation Contacts
  • EPA’s Tribal Support for Radiation Protection
  • Document Library

Non-Environmental Radiation

EPA does not regulate or provide oversight for medical radiation, consumer products, or the non-ionizing radiation that is emitted by electrical devices such as cell phones. Other agencies and institutions provide information about these types of radiation:

  • Electronic devices
  • Cell phones
  • Smart meters
  • Power lines
  • Medical use of radiation
  • Nuclear power plants
  • Imported goods

View Radiation Resources Outside of EPA

Contact Us about Radiation Protection to ask a question, provide feedback, or report a problem.
Last updated on September 2, 2026
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