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Radioactive Waste Management and Disposal

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Progress in Safety Assessment …<br />

Safety Analysis<br />

• Analysis to predict the performance of an overall system <strong>and</strong> its impact,<br />

where the performance measure is the radiological impact or some other<br />

global measure of the impact on safety.<br />

Safety Assessment<br />

1. Assessment of all aspects of a practice that are relevant to protection <strong>and</strong><br />

safety; for an authorized facility, this includes siting, design <strong>and</strong> operation of<br />

the facility. This will normally include risk assessment <strong>and</strong> probabilistic SA.<br />

2. Systematic process that is carried out ... to ensure that all the relevant<br />

safety requirements are met by the proposed (or actual) design. Safety<br />

assessment includes, but is not limited to, the formal safety analysis.<br />

Safety Case<br />

• A collection of arguments <strong>and</strong> evidence in support of the safety of a facility<br />

or activity. This will normally include the findings of a safety assessment<br />

<strong>and</strong> a statement of confidence in these findings.<br />

IAEA 32

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