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Due to a lapse in appropriations, the NRC has ceased normal operations. However, excepted and exempted activities necessary to maintain critical health and safety functions—as well as essential progress on designated critical activities, including those specified in Executive Order 14300—will continue, consistent with the OMB-Approved NRC Lapse Plan.

Reactor Safety Study: An Assessment of Accident Risks in U.S. Commercial Nuclear Power Plants [NUREG-75/014 (WASH-1400)]

File	Title	Date
Appendices III & IV	Failure Data (Appendix III) Common Mode Failures — Bounding Techniques and Special Techniques (Appendix IV)	October 1975
Appendix V	Quantitative Results of Accident Sequences	October 1975
Appendix VI	Calculation of Reactor Accident Consequences	October 1975
Appendix VII – X	Release of Radioactivity in Reactor Accidents (Appendix VII) Physical Processes in Reactor Meltdown Accidents (Appendix VIII) Safety Design Rationale for Nuclear Power Plants (Appendix IX) Design Adequacy (Appendix X)	October 1975

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