History of radiation detriment and its calculation methodology used in ICRP Publication 103

Enora Cléro, Ludovic Vaillant, Nobuyuki Hamada*, Wei Zhang, Dale Preston, Dominique Laurier, Nobuhiko Ban

*Corresponding author for this work

Research output: Contribution to journalReview articlepeer-review

6 Citations (Scopus)


Over the past decades, the International Commission on Radiological Protection (ICRP) has used radiation detriment, which is a multidimensional concept to quantify the overall harm to health from stochastic effects of low-level radiation exposure of different parts of the body. Each tissue-specific detriment is determined from the nominal tissue-specific risk coefficient, weighted by the severity of the disease in terms of lethality, impact on quality of life and years of life lost. Total detriment is the sum of the detriments for separate tissues and organs. Tissue weighting factors for the calculation of effective dose are based on relative contributions of each tissue to the total detriment. Calculating radiation detriment is a complex process that requires information from various sources and judgements on how to achieve calculations. As such, it is important to document its calculation methodology. To improve the traceability of calculations and form a solid basis for future recommendations, the ICRP Task Group 102 on detriment calculation methodology was established in 2016. As part of its mission, the history of radiation detriment was reviewed, and the process of detriment calculation was detailed. This article summarises that work, aiming to clarify the methodology of detriment calculation currently used by ICRP.

Original languageEnglish
Article numberR19
Pages (from-to)R19-R35
JournalJournal of Radiological Protection
Issue number3
Publication statusPublished - Sep 2019

Bibliographical note

Publisher Copyright:
© 2019 Society for Radiological Protection. Published on behalf of SRP by IOP Publishing Limited. All rights reserved.


  • cancer
  • detriment
  • health effect
  • radiation


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