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Fukushima Nuclear Accident Radiological Implications on Human Health 25 March 2011
Gamma Dose Rates in microSievert per hour 15-24 March Background: 0.1 microSv/hour
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]
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
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
Drinking  water Analysis from 47 prefectures  Levels belowthe levels (both adult and children) recommended by the Japanese authorities.
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).
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
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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Fukushima - Radiological Implications on Human Health, 25 March 2011

  • 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)