Readings at Monitoring Post out of 20 Km Zone of Fukushima Dai-ichi NPP
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1 Readings at out of 20 Km Zone of Fukushima Dai-ichi NPP News Release As of 19:00 April 1, 2011 Ministry of Education, Culture, Sports, Science and Technology () Monitoring Outputs by *Boldface and underlined readings are new. (length from NPP) Monitoring Time Reading (unit : μsv / h ) Weather Reading by 1 (About60KmNorthWest) 2011/4/1 8: (About55KmNorthWest) 2011/4/1 9: (About45KmNorthWest) 2011/4/1 10: (About45KmNorth) 2011/4/1 11:12 6 (About45KmNorth) 2011/4/1 11:34 7 (About45KmNorth) 2011/4/1 11: (About40KmNorthWest) 2011/4/1 16:03 12 (About40KmWest) 2011/4/1 11:39 13 (About40KmWest) 2011/4/1 11:53 14 (About35KmWest) 2011/4/1 12: (About35KmWest) 2011/4/1 12:19
2 (length from NPP) Monitoring Time Reading (unit : μsv / h ) Weather Reading by 20 (About45KmNorthWest) 2011/4/1 10:37 21 (About30KmWestNorthWest) 2011/4/1 11: (About30KmWestNorthWest) 2011/4/1 11:00 23 (About30KmWestNorthWest) 2011/4/1 10: (About30KmNorthWest) 2011/4/1 10: (About30KmNorthWest) 2011/4/1 11: (About40KmNorthWest) 2011/4/1 10:08 37 (About30KmWestNorthWest) 34 (About30KmNorthWest) 2011/4/1 13: (About50kmNorthWest) 2011/4/1 9:57 38 (About35kmSouth) 2011/4/1 11:37 39 (About45kmNorth) 2011/4/1 10: (About40KmSouthWest) 2011/4/1 13: /4/1 10: (About40KmSouthWest) 2011/4/1 10:42 52 (About40KmWest) 2011/4/1 14:23 52 (About40KmWest) 2011/4/1 12:05 61 (About40KmNorthWest) 2011/4/1 14:59 6.1
3 (length from NPP) Monitoring Time Reading (unit : μsv / h ) Weather Reading by 61 (About40KmNorthWest) 2011/4/1 12: (About40KmNorthWest) 2011/4/1 15: (About40KmNorthWest) 2011/4/1 12: (About45KmNorthWest) 2011/4/1 15: (About45KmNorthWest) 2011/4/1 11: (About30KmSouth) (About25KmSouth) 73 (About35KmSouth) 2011/4/1 12: /4/1 11: (About35KmSouth) 2011/4/1 11: (About45KmSouth) 2011/4/1 8: /4/1 10:30 (About25KmSouthWest) 2011/4/1 11:03 (About25KmSouthWest) 2011/4/1 10: (About45KmNorthWest) 2011/4/1 7:47 72 (About30KmSouth) 2011/4/1 9:11 73 (About35KmSouth) 2011/4/1 9: (About35KmSouth) 2011/4/1 9:55 75 (About45KmSouth) 2011/4/1 7:00
4 (length from NPP) 79 (About30KmNorthWest) 80 (About25KmNorth) 81 (About30KmWestNorthWest) 83 (About20KmNorthWest) Monitoring Time Reading (unit : μsv / h ) Weather Reading by 2011/4/1 12: /4/1 12: (About30KmNorthWest) 2011/4/1 9: (About25KmNorth) 2011/4/1 12: /4/1 8: /4/1 12: (About20KmNorthWest) 2011/4/1 10: (About40kmSouthWest) 2011/4/1 9:50 85 (About60kmNorthWest) 2011/4/1 14:00 85 (About60kmNorthWest) 2011/4/1 6:00 86 (About55kmWest) 2011/4/1 14: (About55kmWest) 2011/4/1 6: (About30kmWestSouthWest) 2011/4/1 14: (About30kmWestSouthWest) 2011/4/1 6:00
5 km 郡山市 13 Readings at out of Fukushima Dai-ichi NPP 福島市 二本松市 km 相馬市 km 南相馬市 5 6 Fukushima Dai-ichi NPP 福島第一原子力発電所 Fukushima Dai-ni NPP 福島第二原子力発電所 Monitoring Time April 1, 6:00~18: Unit:μSv per hour Circles indicate approximate range.
6 [~10,000μSv/year] Radiation dose in Guarapari(Brazil) per year. Radiation in Daily-life Radiation dose (microsievert:μsv) 250,000 50,000 10,000 Upper limit of radiation dose permitted for people who engage in emergency work. [250,000μSv/year] Upper limit of radiation dose permitted for radiation workers, police, and firefighters who engage in disaster prevention. [50,000μSv/year] Chest CT scan [6,900μSv/each time] Unit : μsv [~2,400μSv/year] Space 9 ingestion 0.29 Global average Earth Radon absorbed Natural radiation dose per year. 1,000 Dose limit for public per year (except for medical care) in air 1.26 Gifu Kanagawa [1,000μSv/year] [~400μSv/year] [~200μSv/round trip] [22μSv/year] Maximum difference of the average of natural radiation dose in each prefecture. An air travel between Tokyo and New York (RT). (Increased cosmic radiation at high altitude.) [10μSv/year] Evaluated dose of radiation from radioactive substance emitted from the nuclear fuel reprocessing plant per year. Standard radiation dose from Clearance level gastrointestinal X-ray examination. [600μSv/each time] [50μSv/each time] Chest X-ray examination. [50μSv/year] Standard dose of radiation around a nuclear plant (light water reactor). (Actual result is far below the value.)
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