On the estimation of bias in post-closure performance assessment of underground radioactive waste disposal
Conference
·
OSTI ID:127155
- Her Majesty`s Inspectorate of Pollution, London (United Kingdom)
- RM Consultants Ltd, Abingdon (United Kingdom)
- Intera Information Technologies, Oxon (United Kingdom)
This paper proposes a systematic method for recording and evaluating bias in performance assessments for underground radioactive waste disposal facilities. The bias estimation approach comprises three principal components: (1) creation of a relational database containing historical assumptions and decisions made during the assessment, (2) investigation of the impact of some identified sources of internal bias through alternative assessment calculations, and (3) investigation of the impact of some identified sources of external bias by estimating degrees of belief probability. Bias corrections may help avoid unnecessary concerns by explaining and scoping the impacts of principal differences without the need to undertake additional site investigation, research, and performance analysis.
- OSTI ID:
- 127155
- Report Number(s):
- CONF-9504179--
- Country of Publication:
- United States
- Language:
- English
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