Unauthorized Forced Entry into the Protected Area at Three Mile Island Unit 1 onFebruary 7, 1993

摘要

On February 7, 1993, at 6:53 a.m. Eastern Standard Time (EST) an intruder droveinto the site owner-controlled area, through a gate into the protected area of Three Mile Island Nuclear Generation Station, Unit 1 (TMI-1) and crashed through a roll-up door on the Turbine Building. Upon considering the possible significance to physical security and the regulatory questions that could result from the event, the NRC Executive Director for Operations established an incident investigation team to determine what happened and make appropriate findings and conclusions. In the report the team described the event and the response to the event, evaluated the regulatory requirements, and presented the team's findings and conclusions.