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Radiological Monitoring and Consequences
Radiological Monitoring and Consequences
Radiological Monitoring and Consequences
Radiological Monitoring and Consequences
Radiological Monitoring and Consequences
Radiological Monitoring and Consequences
Radiological Monitoring and Consequences
Radiological Monitoring and Consequences
Radiological Monitoring and Consequences
Radiological Monitoring and Consequences
Radiological Monitoring and Consequences
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Radiological Monitoring and Consequences

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Fukushima Nuclear Accident …

Fukushima Nuclear Accident

7 April 2011

Published in: News & Politics
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  • 1. Fukushima Nuclear Accident<br />Radiological Monitoring <br />and Consequences<br />7 April 2011<br />
  • 2. Gamma Dose Rates ( microSievert /hour) 14 March – 6 April<br />Natural Background: 0.1 microSv/hour<br />
  • 3. Gamma Dose Rate in 47 Prefectures - 6 April<br />Natural background: 0.1µSv/h<br />Fukushima prefecture: 2.4 µSv/h <br />
  • 4. Daily deposition of iodine-131 (Becquerel /m2)25 March to 5 April<br />
  • 5. Daily deposition of cesium-137 (Becquerel /m2)25 March to 5 April<br />
  • 6. Monitoring of drinking water7 April<br />Iodine-131 and cesium-137 well below restriction levels in all prefectures <br />Recommendations for restrictions based on iodine-131 remains in place in 1 village of Fukushima prefecture as precautionary measure <br />
  • 7. IAEA measurements - Route DDose rate (µSv/h)<br />
  • 8. Food Restrictions <br />As of 4 April, food restrictions (distribution and/or consumption) were in place<br /> Fukushima : leafy and flower-headed brassicas <br /> (broccoli, cauliflower)<br /> Ibaraki : unprocessed raw milk, parsley, spinach and kakina<br /> Tochigi and Gunma: spinach and kakina<br /> Chiba : spinach (KatoriCity and TakoTown) <br /> spinach and parsley (Asahi City)<br />
  • 9. Radiation Monitoring in FoodstuffsReported 6 April by JAPAN (MHLW)<br /><ul><li>(Fukushima prefecture) From26 of 41 samples for various vegetables, spinach and other leafy vegetables </li></ul> - I-131, Cs-134, Cs-137 exceeded the regulation<br /> values set by the Japanese authorities.<br /><ul><li>(8 prefectures) From 52 of 78 samples for various vegetables, fruit (strawberry) and unprocessed raw</li></ul> milk<br /> - I-131, Cs-134, Cs-137 were either not detected <br /> or well below the regulation values set by the<br /> Japanese authorities <br />
  • 10. Collaboration between IAEA and CTBTO <br />CTBTO provided to IAEA access to the data of its monitoring stations world-wide<br />WMO provided to IAEA a forecast of the movement of air masses in regional and global scale<br />IAEA, in collaboration with CTBTO and WMO estimated global distribution of radioactivity released <br />
  • 11. International Monitoring Data submitted to IAEA<br />The following countries have submitted data on radioactivity in air: <br />Austria, Belgium, Bulgaria, Canada, China, Finland, France, Greece, Iran, Ireland, Italy, Malaysia, Poland, Romania, Russian Federation, Spain, Sweden, Switzerland, and Ukraine<br />All levels are very low <br />

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