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U.S. Nuclear Reactors

Grand Gulf Unit 1

Port Gibson, Mississippi
Local population: 20,454 (10-mile radius)


Boiling Water Reactor


Licensed to operate from 11/01/84-06/16/22


Entergy Operations

Safety Issues:

Heightened NRC Attention, Groundwater Leaks Reported, Elevated Spent Fuel Pool

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Related Links & Documents

12/1987  Fission Stories #82 reported on the improperly placed nut that jammed the steam separator preventing its removal.

11/30/1986  Fission Stories #81 reported on the misplaced socket that jammed the turbine shaft preventing it from rotating.

08/25/1986  Fission Stories #86 explained how an engineer unscrewed the face plate of an electric relay to peer inside and accidently caused the reactor to automatically shut down.

07/25/1983  Fission Stories #73 explained how a walkie-talkie unintentionally shut down the system cooling the reactor core.

06/1982  Fission Stories #23 documents how the Nuclear Regulatory Commission issued an operating license based on technical specifications and safety studies that did not match the plant’s design.