United States Nuclear Regulatory Commission - Protecting People and the Environment

Three Mile Island Accident of 1979 Knowledge Management Digest (NUREG/KM-0001)

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Publication Information

Date Published: December 2012

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

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Introduction

Although it caused no deaths or injuries, the accident at the Three Mile Island, Unit 2 (TMI-2) nuclear power plant was the most serious incident in U.S. commercial nuclear power history. The accident began in the early morning hours of March 28, 1979, at the power plant near Middletown, PA, and its effects on nuclear safety and regulation continue to this day. Three Mile Island spurred the U.S. Nuclear Regulatory Commission (NRC) to tighten and heighten its regulatory oversight of the nuclear power industry to ensure safety for the public and the environment. Investigations and the implementation of lessons learned brought about sweeping changes in the U.S. nuclear industry. These included improvements in emergency response planning, reactor operator training, human factors engineering, radiation protection, and many other areas of nuclear power plant operations. The NRC has intensively studied and documented the TMI-2 accident.

This multimedia knowledge management digest is the first in the NRC’s NUREG knowledge management (NUREG/KM) series. The agency intends for NUREG/ KMs to preserve knowledge for future generations of the important historical events and research that have shaped the NRC’s regulatory programs.

This knowledge management digest and the supporting DVD contain the reports that the NRC and other government organizations issued following extensive investigations in the accident. Although a few key documents have become available electronically, this NUREG/KM marks the first time that the NRC has digitized these historically important reports. On the DVD, the table of contents on the main welcome screen lists these reports and provides access to them.

In addition to the large collection of reports, the DVD also provides a multimedia presentation of the special NRC event, "The Accident at Three Mile Island—A Look Back: Preserving the Institutional Memory after 30 Years."

Page Last Reviewed/Updated Wednesday, January 09, 2013