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.

Fukushima Radiological Monitoring and Consequences - 12 April 2011

8,397 views

Published on

Fukushima Radiological Monitoring and Consequences - 12 April 2011

  • Be the first to comment

Fukushima Radiological Monitoring and Consequences - 12 April 2011

  1. 1. Fukushima Nuclear AccidentRadiological Monitoring and Consequences 12 April 2011
  2. 2. Gamma Dose Rate in 7 Prefectures 24 March – 12 April
  3. 3. Gamma Dose Rate in 47 Prefectures on 11 April Fukushima prefecture: 2.1 µSv/h Natural background: 0.1µSv/h
  4. 4. Daily deposition of I-131 (Bq /m2) 1 to 11 April
  5. 5. Daily deposition of Cs-137 (Bq /m2) 1 to 11 April
  6. 6. IAEA measurements Route A: North to North West from F-NPP Gamma dose rate (µSv/h) 10 Tsuruha - Soma Tsuruha - Kashima Kawachi - SomaDose Rate (µSv/h) Entry point to Soma city Onami 5 0 25.03.2011 29.03.2011 09.04.2011 IAEA
  7. 7. IAEA measurements Route A: North to North West from F-NPP Beta + gamma contamination (MBq/m2) 1.5 Tsuruha - Soma Tsuruha - Kashima Kawachi - SomaBeta+gamma contamination Entry point to Soma city Onami 1 (MBq/m2) 0.5 0 25.03.2011 29.03.2011 09.04.2011 IAEA
  8. 8. Monitoring of drinking water 12 April•I-131 and Cs-137 are far below restriction levelsin all prefectures•Recommendations for restrictions for infantsbased on I-131 in place in 1 village ofFukushima prefecture as precautionary measure
  9. 9. Radiation Monitoring in Foodstuffs (MHLW, Japan)• 8th and 10-11 April• 21 samples• 8 prefectures• Various vegetables, spinach and other leafy vegetables, fruit (strawberry), various meats, seafood and unprocessed raw milk• I-131, Cs-134 and/or Cs-137: • either not detected • Or below the regulation values set by the Japanese authorities

×