Successfully reported this slideshow.
We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. You can change your ad preferences anytime.

Radiological Monitoring and Consequences - 19 April 2011

6,414 views

Published on

  • Be the first to comment

Radiological Monitoring and Consequences - 19 April 2011

  1. 1. Fukushima Nuclear Accident<br />Radiological Monitoring <br />and Consequences<br />19 April 2011<br />
  2. 2. Gamma Dose Rates in 7 Prefectures24 March – 18 April<br />Natural Background: 0.1 µSv/h<br />
  3. 3. Gamma Dose Rate in 47 Prefectures on 18 April<br />Fukushima prefecture: 1.9 µSv/h <br />
  4. 4. Daily deposition of I-131 (Bq /m2)1 to 18 April <br />
  5. 5. Daily deposition of Cs-137 (Bq/m2)1 to 18 April<br />
  6. 6. IAEA measurements <br />Route D: West of the F-NPP<br />Gamma dose rate (µSv/h) from 23 March to 18 April<br />
  7. 7. IAEA measurements <br />Route D: West F-NPP<br />Beta + gamma contamination (MBq/m2) <br />
  8. 8. Monitoring of Radioactivity in FoodstuffsReported on 18 April by MHLW<br />23 samples<br /><ul><li>April 8,15, 17and 18
  9. 9. 8 prefectures (Chiba, Fukushima, Gunma, Hokkaido, Ibaraki, Niigata, Saitama and Yamagata).
  10. 10. Analytical results for:
  11. 11. various vegetables and leafy vegetables (8 samples)
  12. 12. shiitake mushrooms (4),
  13. 13. a fruit (strawberry),
  14. 14. a fish (salmon) and
  15. 15. unprocessed raw milk (9)
  16. 16. I-131, Cs-134 and/or Cs-137 were either not detected or were belowthe regulation values set by the Japanese authorities. </li></li></ul><li>Monitoring of drinking water19 April<br />I-131 and Cs-137 are far below restriction levels in all prefectures <br />Recommendations for restrictions for infants based on I-131 in place in 1 village of Fukushima prefecture as precautionary measure <br />

×