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Fukushima - Radiological Implications on Human Health, 25 March 2011
Fukushima - Radiological Implications on Human Health, 25 March 2011
Fukushima - Radiological Implications on Human Health, 25 March 2011
Fukushima - Radiological Implications on Human Health, 25 March 2011
Fukushima - Radiological Implications on Human Health, 25 March 2011
Fukushima - Radiological Implications on Human Health, 25 March 2011
Fukushima - Radiological Implications on Human Health, 25 March 2011
Fukushima - Radiological Implications on Human Health, 25 March 2011
Fukushima - Radiological Implications on Human Health, 25 March 2011
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Fukushima - Radiological Implications on Human Health, 25 March 2011

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

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