Research and analysis

Examination of the use of the expectation value of risk

Identifies a suitable approach for making judgements of acceptability in relation to a risk target.

• From: Environment Agency
• Published: 23 June 2005

Documents

Examination of the Use of the Expectation Value of Risk - Technical Summary

Ref: LIT 2089

PDF, 8.55 KB, 2 pages

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Details

The UK regulatory authorities have published guidance on the requirements for authorisation for the disposal of low-level and intermediate-level radioactive waste. The guidance specifies an individual risk target for the post-closure period and requires developers to consider collective radiological impacts. Information on how risks and impacts should be calculated or assessed has not been published.

The objective of this project was to identify a suitable approach for making judgements of acceptability in relation to a risk target. The project examined the basis for using the expectation value of risk and investigated what approach the Agency might adopt in judging the acceptability of a dose versus probability profile for a given facility.

Published 23 June 2005