United States Nuclear Regulatory Commission - Protecting People and the Environment

Report on the Accident at the Chernobyl Nuclear Power Station (NUREG-1250)

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Publication Information

Manuscript Completed: January 1987
Date Published: January 1987

U.S. Department of Energy
Institute of Nuclear Power Operations
Electric Power Research Institute
U.S. Environmental Protection Agency
Federal Emergency Management Agency

U.S. Nuclear Regulatory Commission
Washington, DC 20555-0001

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Abstract

This report presents the compilation of information obtained by various organizations regarding the accident (and the consequences of the accident) that occurred at Unit 4 of the nuclear power station at Chernobyl in the USSR on April 26, 1986. Each organization has independently accepted responsibility for one or more chapters. The various authors are identified in a footnote to each chapter. Chapter 1 provides an overview of the report. Very briefly the other chapters cover: Chapter 2, the design of the Chernobyl nuclear station Unit,4; Chapter 3, safety analyses for Unit 4; Chapter 4, the accident scenario; Chapter 5, the role of the operator;Chapter 6,.an assessment of the radioactive release, dispersion, and transport; Chapter 7, the activities associated with .emergency actions; and Chapter, information on the health and environmental consequences from the accident. These subjects cover the major aspects of the accident that have the potential to present new information and lessons for the nuclear industry in general.

The task of evaluating the information obtained in these various areas and the assessment of the potential Applications has been left to each organization to pursue according to the relevance of the subject to their organization. Those findings will be issued separately by the cognizant organizations. The basic purpose of this report is to provide the information upon which such assessments can be made.

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