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Guidance for gamma spectrometry measurement of radioactive waste 放射性废物伽马光谱测量指南
发布日期: 2015-12-08
ISO 19017:2015适用于放射性废物的伽马辐射测量。 放射性废物可以以不同的形式存在,并表现出广泛的特征,包括: -未经处理或未经处理的废物,包括工艺废物(过滤器、树脂、控制棒、废料等)和拆卸或退役产生的废物; -各种形式和基质的经处理废物(沥青、水泥、水硬性粘合剂等); -极低水平(VLLW)、低水平(LLW)、中等水平(ILW)和高水平放射性废物(HLW); -不同的包装形状:圆柱体、立方体、平行六面体等。 在实施、校准和质量控制方面提供指导。应用和系统实现的多样性(从研究到工业系统,从极低放射性废物到高放射性废物,从不同形状的小体积到大体积包装,具有不同的性能要求和允许的测量时间)使得不可能为所有情况提供具体指导; 因此,本国际标准的目标是建立一套指导原则。最终,应由具有适当资质和经验的人员实施,并基于对特定测量应用的影响因素、促成变量和性能要求的透彻理解。 本国际标准假设已充分考虑了提供此类系统的需求,并通过使用结构化需求捕获过程(如数据质量目标(DQO))充分定义了其应用和性能要求。 值得注意的是,虽然不在本国际标准的范围内,但本文讨论的许多原则、测量方法和推荐做法也同样适用于放射性废物(e。 g、 散装食品、水、独立堆放的材料)或对非传统包装(如运输容器)内的放射性材料进行测量。
ISO 19017:2015 is applicable to gamma radiation measurements on radioactive waste. Radioactive waste can be found in different forms and exhibit a wide range of characteristics, including the following: - raw or unconditioned waste, including process waste (filters, resins, control rods, scrap, etc.) and waste from dismantling or decommissioning; - conditioned waste in various forms and matrices (bitumen, cement, hydraulic binder, etc.); - very low level (VLLW), low level (LLW), intermediate level (ILW) and high level radioactive waste (HLW); - different package shapes: cylinders, cubes, parallelepipeds, etc. Guidance is provided in respect of implementation, calibration, and quality control. The diversity of applications and system realizations (ranging from research to industrial systems, from very low level to high level radioactive waste, from small to large volume packages with different shapes, with different performance requirements and allowable measuring time) renders it impossible to provide specific guidance for all instances; the objective of this International Standard is, therefore, to establish a set of guiding principles. Ultimately, implementation is to be performed by suitably qualified and experienced persons and based on a thorough understanding of the influencing factors, contributing variables and performance requirements of the specific measurement application. This International Standard assumes that the need for the provision of such a system will have been adequately considered and that its application and performance requirements will have been adequately defined through the use of a structured requirements capture process, such as data quality objectives (DQO). It is noted that, while outside the scope of this International Standard, many of the principles, measurement methods, and recommended practices discussed here are also equally applicable to gamma measurements of items other than radioactive waste (e.g. bulk food, water, free-standing piles of materials) or to measurements made on radioactive materials contained within non-traditional packages (e.g. in transport containers).
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归口单位: ISO/TC 85/SC 5
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