Imagine if You Received this Call!

Michael WeberDeputy Executive Director for

Operations

August 24, 2011

Fukushima Pre-Earthquake

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Earthquake and Tsunami

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NRC Priorities

• Protect U.S. Citizens in the U.S. and abroad

• Assist the Government of Japan• Assist the Department of State and other

government agencies

Challenges in the Response

• Emergency in Japan• Different roles and responsibilities• Infrastructure damage from earthquakes

and tsunami• Uncertainties• Protracted response

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50-Mile Evacuation Recommendation• Best assessment based on limited information• Four nuclear power plants faced extraordinary

challenges – extra large potential source term• High levels of radiation detected• Response by operators impeded• Projected population doses could be large• NRC recommended to the Administration to

evacuate US citizens out to 50 miles

What do we know now?

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What do we now know?

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What do we now know?

Conclusion

• Continuing confidence in safety of US fleet

• We are still learning about the event• We will not hesitate to make changes to

our regulatory and oversight activities, as appropriate

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Unit 1 Sequence of Events

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Unit 2 Sequence of Events

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Unit 3 Sequence of Events

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Unit 4 Sequence of Events

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