What you can do with the Environmental Radioactivity and Radiation Database
1Search for environmental radioactivity and radiation data based on various conditions
Search for data >
You can search the results of environmental radioactivity surveys conducted by the Nuclear Regulation Authority in cooperation with relevant ministries, agencies, and all 47 prefectures.
Environmental Radiation Database
You can also do the following
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Create graphs >
Using data registered in the database, you can generate spatial dose rate maps, temporal trend graphs, and concentration range charts based on specified conditions.
Graph creation
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Create summary tables >
Using data registered in the database, you can create summary tables by region and period based on specified conditions.
Creating summary tables
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Search for food radioactivity levels >
You can search for environmental radioactivity survey data on food using the database.
Radioactivity in food
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Check radiation levels nationwide >
You can check the measurement results (ambient dose rate) from monitoring posts across the country.
Nationwide radiation levels
2 Learn technical information on the analysis and measurement of radioactivity
Learn the technical information on radioactivity analysis and measurement >
This section provides detailed information for personnel engaged in radioactivity analysis and measurement, including radionuclide overviews, analysis workflows, and case studies, supplemented with photographs and videos for each radionuclide.
radioactivity analysis and measurement
You can also do the following
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Learn about methods for analyzing and measuring radiation >
This series of manuals serves as standard guidelines for environmental radioactivity analysis and radiation measurement. They are categorized by measurement target, method, and radionuclide, and are organized in a tree structure.
Radioactivity Measurement Methods Series
(Tree-Structured Display) -
Learn the basics of radioactivity measurement >
This section explains sample collection and pretreatment methods, as well as techniques for measuring environmental radioactivity and radiation.
Basic knowledge of environmental radioactivity measurement
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Check committed effective doses by food category >
This section provides committed effective dose values for evaluating radiation exposure through food intake, organized by food category.
Committed effective dose by food category
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Check radiation survey results for nuclear-powered ships >
This section provides access to survey results on radiation levels in ports visited by nuclear-powered ships.
Radiation surveys of nuclear-powered ship ports
