Annals of the ICRP

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The International Commission on Radiological Protection (ICRP) is recognised as the de-facto world authority in the field of radiological protection. The ICRP Recommendations have been used as a basis for regulations and policy in almost every country, and with the current review and revision of the System of Radiological Protection, it will continue to make significant contributions in radiation safety for patients, workers, the public, and the environment. In a society undergoing significant change, it is necessary to give careful thought to which groups will be perceived as authoritative organisations by the constituents of the future...

The most recent publicly available data on all solid cancer incidence from the Life Span Study (LSS) of Japanese A-bomb survivors provides colon dose contributions weighted with a relative biological effectiveness (RBE) of 10 for neutrons, relative to gammas. However, there is evidence from several investigations that the neutron RBE for A-bomb survivors may be higher than 10. The change in the shape of the corresponding dose-response curves was evaluated by Hafner and co-workers in a previous study by applying sex-specific linear-quadratic dose models to previous LSS data for all solid cancer incidence that include separate neutron and gamma absorbed doses for several organs, in contrast to the most recent data...

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Veterinary use of radiation in the diagnosis, management, and treatment of disease has expanded and diversified, as have the corresponding radiological protection concerns. Radiological exposure of personnel involved in veterinary procedures and, where applicable, members of the public providing assistance (e.g. owners or handlers) has always been included within the system of radiological protection. Veterinary practice is now addressed explicitly as the modern complexities associated with this practice warrant dedicated consideration, and there is a need to clarify and strengthen the application of radiological protection principles in this area...

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Radiation detriment is a concept developed by the International Commission on Radiological Protection to quantify the burden of stochastic effects from low-dose and/or low-dose-rate exposures to the human population. It is determined from the lifetime risks of cancer for a set of organs and tissues and the risk of heritable effects, taking into account the severity of the consequences. This publication provides a historical review of detriment calculation methodology since ICRP Publication 26 , with details of the procedure developed in ICRP Publication 103 , which clarifies data sources, risk models, computational methods, and rationale for the choice of parameter values...

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This paper does not necessarily reflect the views of the International Commission on Radiological Protection.Ten years have passed since the accident at Fukushima Daiichi nuclear power plant, and radioactive substances contained in agricultural products and marine products are now below detectable levels. Amidst this, the testing stance is changing from one that guarantees safety to one that guarantees relief, and testing is being reduced for financial reasons. Moreover, the sense of resistance and concern towards food products produced in Fukushima Prefecture is reducing...

Science communication is commonly framed as a battle with ignorance and the field of radiological protection is not exempt from this tendency. By correcting deficits in the public's understanding of science, the expert is often imagined to be able to convince the public of its objective safety ('anzen'), thereby inspiring a sense of calm ('anshin'). In the wake of the 2011 Fukushima Daiichi disaster, however, the International Commission on Radiological Protection has sought to break with this tradition by organising a series of participatory seminars in which experts engage those affected by the disaster as equals...

After the accident at Fukushima Daiichi nuclear power plant on 11 March 2011, radioactive materials were released into the atmosphere resulting in environmental contamination. Following the implementation of environmental decontamination efforts, the Radiation Dose Registration Centre of the Radiation Effects Association established the radiation dose registration system for decontamination and related workers to consolidate and prevent the loss of radiation records. This article presents statistics on the radiation doses of decontamination and related workers using official records...

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This paper does not necessarily reflect the views of the International Commission on Radiological Protection.This article analyses the communication experiences of radiation protection experts at federal/regional and local level. Efforts to justify protective measures were more successful at federal level, while the task of adjusting risk perception among local residents remains unresolved. At the recovery stage (15 years after the accident at Chernobyl nuclear power plant), the main difficulties were associated with the fact that expert knowledge was in conflict with public perception of the risk of low doses and legislative approaches...

At the ICRP International Conference on Recovery After Nuclear Accidents Session 3.4 Forum on the Transmission of Experience held in December 2020, a panel discussion took place on the topic, 'How to overcome the difficulty to talk about the experience of nuclear accidents?'. The facilitator was Ryoko Ando (NPO Fukushima Dialogue) and the following six people participated as panelists: Atsushi Chiba (teacher at Fukushima Prefectural Asaka High School), Yoshiko Aoki (NPO Group of Storytellers About 311 in Tomioka), Miku Endo (Great East Japan Earthquake and Nuclear Disaster Memorial Museum), Kenji Shiga (former Director of Hiroshima Peace Memorial Museum), Thierry Schneider (Centre d'étude sur l'Evaluation de la Protection dans le domaine Nucléaire), and Noboru Takamura (Director of Great East Japan Earthquake and Nuclear Disaster Memorial Museum, Nagasaki University)...

This paper does not necessarily reflect the views of the International Commission on Radiological Protection.Since the accident at Fukushima Daiichi nuclear power station in March 2011, Japan Atomic Energy Agency (JAEA) has been contributing actively to the environmental recovery of Fukushima and the decommissioning of Fukushima Daiichi nuclear power station from a technical aspect, through a wide range of research and development (R&D) activities including fundamental research and applicational technology development...

Comparisons of the large nuclear accidents that occurred at the nuclear power plants in Chornobyl and Fukushima usually focus on the emission of radionuclides, the contamination area, doses to the public and liquidation workers, etc. However, little attention has been paid to various factors that affect decisions regarding the future development of these territories, such as the sociopolitical and economic situation in the countries during the accident and at the present time, the density and structure of the population, climate change, media coverage, and accessibility of information to the public...

This paper does not necessarily reflect the views of the International Commission on Radiological Protection.It is known that remediation activities in areas affected by radiological accidents may result in generation of huge volumes of very low-level radioactive waste that can overwhelm national capabilities, and be outside of the existing national regulation requirements for radioactive waste management. This may pose a challenge for adoption of an adequate strategy for remediation waste management and application of regulatory requirements that are commensurate with the waste hazard...

This paper does not necessarily reflect the views of the International Commission on Radiological Protection.Kawamata Town in Date District, Fukushima Prefecture is located more than 30 km north-west of Fukushima Daiichi nuclear power plant, but on 22 April 2011, part of the Yamakiya District of Kawamata Town was designated as a planned evacuation area. The exposure of children was a concern in Kawamata Town. Based on the proposal of Kindai University, Kawamata Town Board of Education took the initiative to measure individual radiation doses with an integrated dosimeter (glass badge) for all kindergarten children, nursery school children, elementary school students, and junior high school students in the town...