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A Review of the Three Mile Island-1 Probabilistic Risk Assessment (NUREG/CR-5457)On this page: Download complete document The following links on this page are to documents in Adobe Portable Document Format (PDF). See our Plugins, Viewers, and Other Tools page for more information. For successful viewing of PDF documents on our site please be sure to use the latest version of Adobe. Publication InformationManuscript Completed: September 1989 Prepared by Idaho National Engineering Laboratory EG&G Idaho, Inc. EI International, Inc. (presently with NUS Corporation) Prepared for Office of Nuclear Regulatory Research AbstractThe Level I Probabilistic Risk Assessment that was prepared by Pickard, Lowe and Garrick for GPU Nuclear, and forWarded to NRC, was reviewed. The review included both plant internal events and three kinds of external events: plant fires, seismic events and river flooding. At the close of the review, the authors estimated the frequencies the core damage sequences would have if the recommended corrections were made to the data and assumptions. It was concluded that the recommended corrections would have a major effect on the estimated risk profile of TMI-1, including major increases in some sequence frequencies and major decreases in others. |
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