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Radiological Decontamination Query Tool

Please note: The web pages you are viewing require JavaScript, and work best in Google Chrome. If you are unable to use the query on this web page, the information can also be found in the published PDF versions of the Technology Evaluation Reports. In addition, due to the complexity of some tables and graphics, some of our products are not amenable to a screen reader. If you have trouble accessing information contact Amelia McCall (McCall.Amelia@epa.gov) and alternative accommodations will be made.

The Radiological Decontamination Query Tool provides first responders, emergency planners, residents, and others in the community with an easy-to-use comparison of methods that could be used for cleanup.  Further information on these decontamination methods is contained in published evaluation reports for urban wide-area decontamination, indoor residential decontamination, and outdoor residential decontamination.

  • Urban Wide-Area Decontamination Query: Provides access to information contained in published multiple technology evaluation reports which document the results of over 50 studies using over 15 different methods, on over 10 building materials and 8 roofing materials, contaminated with 4 different radionuclides.
  • Indoor Residential Decontamination Query: Provides citizens with information on how to decontaminate the interior of their homes using simple methods after a radiological contamination incident. Further information on these decontamination methods is contained in a published evaluation report, Evaluation of Low-Tech Indoor Remediation Methods Following Wide Area Radiological/Nuclear Incidents.
  • Outdoor Residential Decontamination Query: Provides citizens with information on how to decontaminate outdoor residential surfaces such as roofing material, siding, and hardscape surfaces using simple methods after a radiological contamination incident. Further information on these decontamination methods is contained in a published evaluation report, Evaluation of Low-Tech Outdoor Decontamination Methods Following Wide Area Radiological/Nuclear Incidents.


Click on the search buttons below to access the query tools.

  • Urban-Wide Area

    Search Urban Wide-Area Methods
  • Indoor Residential

    Search Indoor Residential Methods
  • Outdoor Residential

    Search Outdoor Residential Methods

Disclaimer: The information provided through this query represents information that is currently available in published U.S. EPA Evaluation Reports. Links and citations are provided for the full content of each report, along with the corresponding query results. Mention of trade names, products, or services does not convey EPA approval, endorsement or recommendation.

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Last updated on January 22, 2025
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