Fukushima - Radiological Implications on Human Health, 25 March 2011

3,470 views
3,369 views

Published on

0 Comments
0 Likes
Statistics
Notes
  • Be the first to comment

  • Be the first to like this

No Downloads
Views
Total views
3,470
On SlideShare
0
From Embeds
0
Number of Embeds
1
Actions
Shares
0
Downloads
214
Comments
0
Likes
0
Embeds 0
No embeds

No notes for slide

Fukushima - Radiological Implications on Human Health, 25 March 2011

  1. 1. Fukushima Nuclear Accident<br />Radiological Implications on Human Health<br />25 March 2011<br />
  2. 2. Gamma Dose Rates in microSievert per hour 15-24 March<br />Background: 0.1 microSv/hour<br />
  3. 3. Deposition of I-131 and Cs-13723 to 24 March <br />Monitored by Japanese authority<br />47 Prefectures<br />Additional deposition detected in 7 prefectures<br />I-131: 42 to 16000 Bq/m2<br />Cs-137: 42 to 210 Bq/m2<br />I-131 Rate of deposition is decreasing (21 to 24 March)<br />[Tokyo: 320003600013000]<br />
  4. 4. IAEA radiation monitoring team 25/03/11<br />Radius 34 to 62 km for NPP measurement of :<br />Contamination: 0.07 to 0.96 MBq/ m2<br />Dose rate: 0.73 to 8.8 microSv/ hour (background: 0.1 microSv/ hour)<br />Lower than yesterday<br />
  5. 5. Radioactivity in food and milk<br />Radionuclides abovelevels recommended by the Japanese authorities:<br />I-131 in 5 raw milk samples (Fukushima Prefecture)<br />I-131 in 1 vegetable sample in Ibaraki Prefecture. <br />Cs-137 in vegetable sample in Ibaraki Prefecture<br />
  6. 6. Drinking water<br />Analysis from 47 prefectures <br />Levels belowthe levels (both adult and children) recommended by the Japanese authorities. <br />
  7. 7. Japanese authority measures for food, milk and drinking water<br />Restrictions on the distribution of:<br />milkin 2prefectures (Fukushima, Ibaraki) <br />certain vegetables in 4 prefectures (Fukushima, Ibaraki, Tochigi, Gunma). <br />Requested sampling of agricultural products in 6 neighbouring prefectures (Miyagi, Yamagata, Saitama, Chiba, Niigata and Nagano).<br />
  8. 8. 3 workers affected by radiation<br />3 workers exposed: 173-180 milliSv<br />2 of these 3 workers: Feet exposed to contaminated water<br />Dose permissible for emergency workers in life saving operation: 250 milliSv<br />
  9. 9. IAEA monitoring team<br />NS Team<br />Team 1: In the field since last week<br />Team 2: Started yesterday<br />NA Team<br />IAEA/FAO assessment missionleft today<br />(Food, Environment, soil and water)<br />

×