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IAEA International Atomic Energy Agency Technical Briefing on the Radiological Situation in Japan 18th March 2011
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Page 1: Technical Briefing on the Radiological Situation in Japan, Renate Czarwinski, 18th March 2011

IAEAInternational Atomic Energy Agency

Technical Briefing on theRadiological Situation in Japan

18th March 2011

Page 2: Technical Briefing on the Radiological Situation in Japan, Renate Czarwinski, 18th March 2011

IAEA

On-site situation Fukushima Dai-ichi

2The highest recorded value at the site was 400 mSv/h. This was recorded on 15th March at a different on-site location and is not included in the graph.

Page 3: Technical Briefing on the Radiological Situation in Japan, Renate Czarwinski, 18th March 2011

IAEA

On-site situation Fukushima Dai-ini

3

0.05 microSievert/hr before the earthquake and tsunami

Page 4: Technical Briefing on the Radiological Situation in Japan, Renate Czarwinski, 18th March 2011

IAEA

Gamma-dose rate at Ibaragi, 120 km South West (microSv/h)

14 March 17 March16 March15 March

Background

Off-site situation

Page 5: Technical Briefing on the Radiological Situation in Japan, Renate Czarwinski, 18th March 2011

IAEA

Gamma-dose rate at Togichi, 140 km South West (microSv/h)

Background

14 March 15 March 16 March 17 March

Page 6: Technical Briefing on the Radiological Situation in Japan, Renate Czarwinski, 18th March 2011

IAEA

Gamma-dose rate at Chiba 218 km South West (microSv/h)

14 March 15 March 16 March 17 March

Background

Page 7: Technical Briefing on the Radiological Situation in Japan, Renate Czarwinski, 18th March 2011

IAEA

Gamma-dose rate at Tokyo, 230 km South West (microSv/h)

Background

14 March 15 March 16 March 17 March