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Stepwise Approach to Decision Making for Long-term Radioactive Waste Management

机译:长期放射性废物管理的逐步决策方法

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Radioactive waste exists as a result of both past and current practices. One of the most challenging tasks is the management of long-lived waste that must be isolated from the human environment for many thousands, or even hundreds of thousands, of years. Although significant technical progress has been made in developing management schemes that, according to technical experts, would ensure long-term safety (e.g. engineered geologic disposal), the rate of progress towards implementing such solutions has been slower than expected. The contrast between expected and observed rates may be partly attributable to an earlier technical optimism. More significant, however, are the setbacks, which have arisen mainly from an underestimation of the societal and political dimensions. In long-term radioactive waste management, consideration is increasingly being given to concepts such as "stepwise decision making" and "adaptive staging" in which the public, and especially the local public, are to be meaningfully involved in the review and planning of developments. The key feature of these concepts is development by steps or stages that are reversible, within the limits of practicability. This is designed to provide reassurance that decisions can be reversed if experience shows them to have adverse or unwanted effects. A stepwise approach to decision making has thus come to the fore as being of value in advancing long-term radioactive waste management solutions in a societally acceptable manner. Despite its early identification within the radioactive waste management community as an important means for reaching solutions and decisions in which there is broad-based confidence, the bases for and application of stepwise decision making has not been widely reviewed. Guiding principles of any such process are still being formulated, its roots in empirical social science research have not been fully reviewed, nor the difficulties of its implementation analysed. The report reviews current developments regarding the approach to stepwise decision making in long-term radioactive waste management with the aim of pinpointing its current status, to highlight the societal dimension, to analyse its roots in social sciences and to identify potential guiding principles and issues in implementation. Many of the lessons reviewed derive from the context of siting and developing disposal facilities, but could be applicable to other management concepts.
机译:过去和现在的做法都存在放射性废物。最具挑战性的任务之一是管理必须与人类环境隔离数千年甚至数十万年的长寿命废物。尽管在开发管理计划方面已经取得了重大的技术进步,但据技术专家说,这些管理计划将确保长期安全(例如工程地质处置),但是实施此类解决方案的进度比预期的要慢。预期利率与观察利率之间的差异可能部分归因于较早的技术乐观。然而,更重要的是挫折,这主要是由于对社会和政治层面的低估。在长期放射性废物管理中,越来越多地考虑诸如“逐步决策”和“适应性分期”之类的概念,在这些概念中,公众,尤其是当地公众将有意义地参与发展的审查和规划。 。这些概念的关键特征是在可行范围内通过可逆的步骤或阶段进行开发。这样做的目的是确保如果经验显示决策有不利或有害影响,则可以撤销决策。因此,逐步制定决策方法已成为以社会上可接受的方式推进长期放射性废物管理解决方案的价值所在。尽管早已在放射性废物管理界将其确定为达成具有广泛信任的解决方案和决策的重要手段,但逐步决策的基础和应用尚未得到广泛审查。任何此类过程的指导原则仍在制定中,其在经验社会科学研究中的根源尚未得到全面审查,也没有对其实施的困难进行分析。该报告回顾了长期放射性废物管理中逐步决策方法的最新进展,目的是查明其现状,突出社会层面,分析其在社会科学中的根源,并确定潜在的指导原则和问题。实施。复习的许多课程都来自选址和开发处置设施的背景,但可能适用于其他管理概念。

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    《OECD Papers》 |2004年第9期|p.361.1-361.15361.17-361.39361.41-361.72|共70页
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