1. 1 Radiological Effects Fukushima Dai-ichi Accident Jim Lynch NRC Region III August 24, 2011

2. 2 NRC Response Team Based at U.S. Embassy in Tokyo Colleagues from DOE, FDA, Military Reactor Safety Team Protective Measures Team

3. Goals Assist the Japanese Government with incident response Assist the American Ambassador with protection of U.S. citizens living in or visiting Japan 3

4. Process Daily meetings with Japanese Government counterparts Daily interactions with other U.S. Agencies and INPO Americans advised to evacuate to 50 miles (80 km) 4

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6. Integrated Dose 1 Year Site ~400 mSv (40 rem) 20-30 km~200 mSv (20 rem) Beyond 40 km~20 mSv (2 rem) 6

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8. Food and Water Supply Safety Reviewed Japanese protocols Resources and technical capability to identify and quarantine contaminated food and water Contamination standards based on the same target doses as FDA 8

9. Food and Water Supply (cont.) Consistent with international guidelines Up-to-date radiological risk data Applies conservative (protective) assumptions 9

10. Food Testing Each food category is tested by Prefecture If guidance levels exceeded, distribution blocked in affected prefecture Must pass 3 consecutive tests to allow back into market 10

11. Water Stopped using rainwater as drinking water source Early positive test required restrictions No issues with water supply since May 10, 2011 11

12. Seafood Fishing not allowed in Fukushima waters within 20 km Fishing vessels have loads surveyed at docks Weekly samples of 2-3 species in each ocean layer 12

13. The Road to Sendai Tohoku Expressway and Shinkansen Railway (bullet train) pass through the 50 mile evacuation zone Tests performed by U.S. and Japanese governments Open for travel 13

14. Reflections It is a real honor to assist the Japanese people with this unbelievable disaster Very warm, positive comments from Japanese citizens 14