This paper is a snapshot of the current status of one of the longest standing regulatory issues — Anticipated Transients Without Scram (ATWS). It borrows heavily from an NRC paper numbered SECY-83-293, dated July 19, 1983, now pending action before the Commissioners. (David Pyatt of NRC’s Office of Research was the author of the Commission paper.) Its central question is what improvements, if any, should be required by regulation in the design of light-water-cooled nuclear power plants to reduce the risk of ATWS events to an acceptable level.


Circuit Breaker Final Rule Pressurize Water Reactor Probabilistic Risk Assessment Boiling Water Reactor 
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Copyright information

© Springer Science+Business Media New York 1984

Authors and Affiliations

  • Roger J. Mattson
    • 1
  1. 1.U.S. Nuclear Regulatory CommissionUSA

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