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Radioactivity Concentration Range Chart

Condition Selection

You can create a radioactivity concentration range chart using data registered in the Environmental Radiation Database.
By setting the conditions based on the screen display, you can easily create a graph.

The number of matching data records is counted once all required items are selected.

If no matching data exists, no graph will be generated.
FAQ on how to read the concentration range chart is here

Reference ItemsRequired

Select the items you wish to display. You can compare multiple survey areas or view multiple samples/nuclides together.

Survey PeriodRequired

Specify the period you wish to search.

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Survey AreaRequired (Multiple selections allowed)

Select the prefectures you wish to search.

Survey AreaRequired (Single selection)

Survey SampleRequired (Multiple selections) Required (Single selection)

Select one sample (major classification) for your search.
Selecting a sample (major classification) allows you to select a sample (sub-classification).

Environmental Samples

Select a sample category (sub-classification).

Air Radiation Dose (Discontinuous)

Select a sample category (sub-classification).

Air Radiation Dose (Continuous)

Select a sample category (sub-classification).

Surveyed RadionuclideRequired (Single selection)

Select the radionuclide(s) for your search.

Filter by radiation type
Filter by nuclide name (partial match):
Selecting a survey sample will display the available survey nuclides.
Nuclide selection is not required.

Concentration unitRequired (Single selection)

Selecting a survey sample displays the available concentration units.

Options

Target SurveyOptional

You can select the surveys to be included in the search. If none are selected, all surveys will be included.
For details on each survey, refer to the Target Survey List.

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Display concentration range chart

To edit the graph title, axis minimum/maximum values, etc., check the “Edit Graph” checkbox and click the “Apply Edits” button. You can redraw the graph with the edited content.

FAQ on how to read the concentration range chart is here

*Please enter your desired title within 30 characters. Titles exceeding 30 characters will be invalid.

*Please enter the maximum value as a multiple of the scale interval. If it is not a multiple, the maximum value may not display correctly.

Filter Conditions

The search results above were retrieved using the following search criteria.

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Important Notes for Use

When citing data, clearly state in the printed material or other medium that the information is sourced from this database.
For citation examples and other important notes, refer to the Site Policy.

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