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Proceedings of the Eighth International Conference on Probabilistic Safety Assessment & Management (PSAM)

Editor
Michael G. Stamatelatos
Michael G. Stamatelatos
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Harold S. Blackman
Harold S. Blackman
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ISBN-10:
0791802442
No. of Pages:
2576
Publisher:
ASME Press
Publication date:
2006

Risk regulation is to strike a balance between socio-economic development and a safe society. Multi-fatality accidents can have wide repercussions and cause public anxiety. To limit the frequencies of these events, FN-criteria are widely used. In an FN-curve, the exceedance frequency is plotted as a function of the number of fatalities per accident. FN-criteria can also be practical tools for probabilistic design as they can provide engineers reference levels for evaluating risks. A simple method is presented with which it is possible to derive FN-criteria with various slopes for various hazardous activities. It illustrates that debate on the appropriate slope of an FN-criterion cannot be set apart from debate on its base point.

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