Community Corner

NRC Spokesperson: We Don't Rank Plants by Seismic Risk

The Nuclear Regulatory Commission's Neil Sheehan writes with a clarification regarding yesterday's article about the earthquake risk to Exelon Nuclear's Limerick Generating Station.

Regarding: ""

The MSNBC [msnbc.com] story has to do with a seismic risk ranking it created. It is not the result of an NRC review. The NRC does not rank plants by seismic risk.

The objective of the NRC study was to perform a conservative, screening-level assessment of earthquake risk. The NRC results to date should not be interpreted as definitive estimates of seismic risk. The nature of the information used to make these estimates are useful only as a screening tool.

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Currently operating nuclear power plants in the U.S. remain safe, with no need for immediate action. This determination is based on NRC staff reviews of updated seismic hazard information and the conclusions of the screening panel. Existing plans were designed with considerable margin to be able to withstand the ground motions from the largest earthquake expected in the area around the plant.

Neil Sheehan, NRC Public Affairs

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