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原子力産業の環境放射線影響:発電所の建設から運転、廃止措置までの鉱業を含む全段階

Environmental radiological impacts of the nuclear industry from mining to construction, operation, and decommissioning of a power station. (原題)

P. Bryant, J. Hondros

Annals of the ICRP📚 査読済 / ジャーナル2026-08-30#エネルギー転換Origin: Global対象セクター: power
DOI: 10.1177/01466453251412088
原典: https://journals.sagepub.com/doi/pdf/10.1177/01466453251412088?download=true
📄 PDF

🤖 gxceed AI 要約

日本語

本論文は、原子力燃料サイクル全体(採掘から建設、運転、廃止措置、放射性廃棄物管理まで)における環境放射線影響を検討し、ALARA原則の過剰適用が資源の誤配分やリスク認識の歪みを招くと主張する。気候変動対策として原子力の役割を重視し、低線量域での意思決定のバランスを求めている。

English

This article reviews environmental radiological impacts across the nuclear fuel cycle, from mining to decommissioning and waste management. It argues that over-application of the ALARA principle leads to resource misallocation and distorted risk perception, potentially constraining nuclear power's role in low-carbon energy transitions. It calls for balanced decision-making considering non-radiological hazards and societal impacts.

Unofficial AI-generated summary based on the public title and abstract. Not an official translation.

📝 gxceed 編集解説 — Why this matters

日本のGX文脈において

日本のGX政策では原子力の再稼働や新増設が議論されており、本論文のALARA原則の過剰適用批判は、規制やリスクコミュニケーションの在り方に示唆を与える。ただし、日本の具体的な政策やSSBJとの関連は薄い。

In the global GX context

Globally, nuclear power is increasingly recognized as a low-carbon energy source in climate strategies. This paper contributes to the debate on balancing radiological risk with climate benefits, relevant for policymakers and regulators considering nuclear expansion in the context of net-zero targets.

👥 読者別の含意

🔬研究者:原子力の環境影響評価とリスク認知の研究におけるALARA原則の適用限界に関する論点を提供。

🏢実務担当者:原子力関連企業のリスクコミュニケーションや環境影響評価の実務に示唆。

🏛政策担当者:低炭素エネルギー政策における原子力の位置づけと規制のバランスを検討する際の参考。

📄 Abstract(原文)

The nuclear industry has had a good track record of progressively reducing occupational, public, and environmental exposures across the nuclear fuel cycle through the practical implementation of the as low as reasonably achievable (ALARA) principle. Worker and public doses remain low, and environmental impacts are being better understood, although the environmental impacts continue to be low. However, more recently, the industry is concerned that there is pressure to continue to reduce exposures despite there being no justifiable reason. This is often because of radiation being considered in isolation or prioritised above other potential hazards and leads to misallocation of resources (including physical, human, and financial). The broader concern is that this downward pressure re-enforces the perception of risk at very low exposure levels and biases decision-making about the benefits of the nuclear fuel cycle. With the ongoing concerns of climate change, many countries have made a commitment to embrace low-carbon energy systems. In support of this ambition, new nuclear power has been identified as a key part of the energy mix, highlighting the need to ensure that the decision-making mechanisms at low dose and exposure levels do not constrain the global needs and that there is a balanced treatment of the radiological risk of nuclear power, taking into account the wider non-radiological hazards, environmental considerations, and societal impacts. This article explores the radiological impacts to the environment across the nuclear fuel cycle from mining to the design, construction, operation and decommissioning of new nuclear plants, and finally the management of radioactive liabilities (including spent fuel and radioactive waste). The article provides real-life examples showing how the System of Radiological Protection is applied and how its over-application leads to unsustainable outcomes.

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