United States Nuclear Regulatory Commission - Protecting People and the Environment
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Extremely Low Probability of Rupture (xLPR) Version 2.0

Sponsored by the Office of Nuclear Regulatory Research

The NRC, in cooperation with the industry through a Memorandum of Understanding Addendum, has developed the Extremely Low Probability of Rupture (xLPR) probabilistic assessment tool to assess the primary piping systems undergoing active degradation mechanisms and to predict the probability of rupture. This poster presentation will highlight the development of Version 2.0 of the xLPR probabilistic fracture mechanics computer code and its use for leak-before-break piping systems.

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