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Operational quantity

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Quantities used in practical applications for monitoring and investigating situations involving external exposure. They are defined for measurements and assessment of doses in the body. In internal dosimetry no operational dose quantities have been defined that directly provide an assessment of equivalent dose or effective dose. Different methods are applied to assess the equivalent or effective dose due to radionuclides in the human body. They are mostly based on various activity measurements and the application of biokinetic models (computational models).

(Adapted from ICRP Publication 139, 2018)

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Previous glossary entries

from ICRP Publication 116, 2010 and ICRP Publication 123, 2013

Quantities used in practical applications for monitoring and investigating situations involving external exposure and intakes of radionuclides. They are defined for measurements and assessment of doses in the body.

from ICRP Publication 103, 2007

Quantities used in practical applications for monitoring and investigating situations involving external exposure. They are defined for measurements and assessment of doses in the body. In internal dosimetry, no operational dose quantities have been defined which directly provide an assessment of equivalent or effective dose. Different methods are applied to assess the equivalent or effective dose due to radionuclides in the human body. They are mostly based on various activity measurements and the application of biokinetic models (computational models).