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Fallout forensics hike radiation toll
Tokyo, October 25 / 27 2011 -
The disaster at the Fukushima Daiichi nuclear plant in March released far more radiation than the Japanese government has claimed, according to a study that combines radioactivity data from across the globe to estimate the scale and fate of emissions from the plant.
> www.nature.com: Fallout forensics hike radiation toll
> www.atmos-chem-phys-discuss.net: Xenon-133 and caesium-137 releases from the Fukushima Dai-ichi nuclear power plant (Abstract)
> www.atmos-chem-phys-discuss.net: idem (Full Article)
> www.physorg.com: Fukushima nuke pollution in sea 'was world's worst'
Fukushima impact is still hazy
Tokyo, September 14 2011 -
Tatsuhiko Kodama began his 27 July testimony to Japan's parliament with what he knew. In a firm, clear voice, he said that the Radioisotope Center of the University of Tokyo, which he heads, had detected elevated radiation levels in the days following the meltdown of three reactors at the Fukushima Daiichi nuclear power station.
But when it came to what wasn't known, he became angry. "There is no definite report from the Tokyo Electric Power Company or the government as to exactly how much radioactive material has been released from Fukushima!" he shouted.
> www.nature.com: Fukushima impact is still hazy
Areas Near Japan Nuclear Plant May Be Off Limits For Decades
Fukushima, August 29 2011 -
Areas surrounding Japan's crippled Fukushima nuclear plant could remain uninhabitable for decades due to high radiation, the government warned on Saturday as it struggles to clean up after the world's worst nuclear disaster since Chernobyl.
> planetark.org: Areas Near Japan Nuclear Plant May Be Off Limits For Decades
Chemicals track Fukushima meltdown
San Diego, August 15 2011 -
Scientists in California are reporting raised levels of radioactive chemicals in the atmosphere in the weeks following the disaster at Japan's Fukushima Daiichi nuclear power plant. The measurements are the latest evidence that the reactors melted down catastrophically.
> www.nature.com: Chemicals track Fukushima meltdown
British government's plan to play down Fukushima
London, June 30 2011 -
British government officials approached nuclear companies to draw up a co-ordinated public relations strategy to play down the Fukushima nuclear accident just two days after the earthquake and tsunami in Japan and before the extent of the radiation leak was known.
Internal emails seen by the Guardian show how the business and energy departments worked closely behind the scenes with the multinational companies EDF Energy, Areva and Westinghouse to try to ensure the accident did not derail their plans for a new generation of nuclear stations in the UK.
"This has the potential to set the nuclear industry back globally," wrote one official at the Department for Business, Innovation and Skills (BIS), whose name has been redacted. "We need to ensure the anti-nuclear chaps and chapesses do not gain ground on this. We need to occupy the territory and hold it. We really need to show the safety of nuclear."
Officials stressed the importance of preventing the incident from undermining public support for nuclear power.
> www.guardian.co.uk: British government's plan to play down Fukushima
> www.guardian.co.uk: UK government and nuclear industry email correspondence after the Fukushima accident
Radioactive level halved at reactor water intake
Fukushima, April 28, 2011 -
The operator of the quake-damaged nuclear power plant in northeastern Japan says levels of radioactive iodine in seawater samples taken near one of the plant's crippled reactors are down by more than half from the previous day.
> www.nhk.jp: Radioactive level halved at reactor water intake
TEPCO sets out Fukushima crisis plan
Tolyo, April 18, 2011 -
Ever since a massive earthquake and tsunami struck the Fukushima Daiichi nuclear power plant on 11 March, activities at the site have been hasty, improvised, and often uncoordinated. For engineers, project managers (and reporters who cover large projects), nothing has made the chaos more pronounced than the lack of a flowchart. Yesterday that all changed: the world now has a brightly coloured chart of the next six to nine months at Fukushima.
> blogs.nature.com: TEPCO sets out Fukushima crisis plan
> www.nature.com / Special: Japan earthquake and nuclear crisis
Radiactivity rises again in sea near No.2 reactor
Fukushima, April 16, 2011 -
The operator of the crippled Fukushima Daiichi nuclear power plant says levels of radioactive substances in seawater have risen again near the water intake of its No.2 reactor.
> www.nhk.jp: Radiactivity rises again in sea near No.2 reactor
Water Dumped to Sea Contains 150 B. Becquerels of radiation: Tokyo Electric
Fukushima, April 15 2011 -
Tokyo Electric Power Co. said Friday that radioactive water dumped from its Fukushima No. 1 nuclear plant to the sea has totaled 10,393 tons and contained 150 billion becquerels of radiation.
> www.jiji.jp: Water Dumped to Sea Contains 150 B. Becquerels of radiation
High radiation levels in sea off Fukushima coast
Tokyo, April 13, 2011 -
The science ministry says radiation levels in seawater off the coast of Fukushima Prefecture are the highest since it began monitoring them about 3 weeks ago.
> www3.nhk.or.jp: High radiation levels in sea off Fukushima coast
Radiation levels in parts of Fukushima over limit
Tokyo, April 12, 2011 -
The Japanese government says the radiation accumulated over a 25-day period at some locations in Fukushima Prefecture has exceeded the permissible level set for a full year.
> www3.nhk.or.jp: Radiation levels in parts of Fukushima over limit
Radioactive strontium detected more than 30 km from Fukushima plant
Tokyo, April 12, 2011 -
Minute amounts of radioactive strontium have been detected in soil and plants in Fukushima Prefecture beyond the 30-kilometer zone around the crippled Fukushima Daiichi Nuclear Power Station, the science ministry said Tuesday.
> kyodonews.jp: Radioactive strontium detected more than 30 km from Fukushima plant
Radiation risks from Fukushima 'no longer negligible'
(Euractiv), April 12, 2011 -
The risks associated with iodine-131 contamination in Europe are no longer "negligible," according to CRIIRAD, a French research body on radioactivity.
The NGO is advising pregnant women and infants against "risky behaviour," such as consuming fresh milk or vegetables with large leaves.
In response to thousands of inquiries from citizens concerned about fallout from the Fukushima nuclear disaster in Europe, CRIIRAD has compiled an information package on the risks of radioactive iodine-131 contamination in Europe.
The document, published on 7 April, advises against consuming rainwater and says vulnerable groups such as children and pregnant or breastfeeding women should avoid consuming vegetables with large leaves, fresh milk and creamy cheese.
The risks related to prolonged contamination among vulnerable groups of the population can no longer be considered "negligible" and it is now necessary to avoid "risky behaviour," CRIIRAD claimed.
However, the institute underlines that there is absolutely no need to lock oneself indoors or take iodine tablets.
> www.euractiv.com: Radiation risks from Fukushima 'no longer negligible'
> www.criirad.org: Contamination de la France par les rejets de la centrale de Fukushima Daiichi
> www.criirad.org
Iitate village to evacuate pregnant women, kids
Tokyo, April 06, 2011 -
Pregnant women and small children in Iitate village in Fukushima Prefecture, about 40 kilometers from the crippled Fukushima Daiichi nuclear plant, will be temporarily evacuated if they apply to do so.
Iitate is located outside the evacuation zone for the troubled nuclear plant. But the village's radiation level recorded nearly 45 microsievert per hour at its peak on March 15th, and has been significantly higher than most other areas more than 30 kilometers away from the plant.
> www3.nhk.or.jp: Iitate village to evacuate pregnant women, kids
7.5 mil. times legal limit of iodine in sea
Tokyo, April 05, 2011 -
The operator of the stricken Fukushima Daiichi nuclear power plant says 7.5 million times the legal limit of radioactive iodine 131 has been detected from samples of seawater near the plant.
> www3.nhk.or.jp: 7.5 mil. times legal limit of iodine in sea
Radiation levels drop or remain flat
Tokyo, April 04, 2011 -
Radiation levels continue to drop or remain flat on Monday morning in many locations around the disabled Fukushima Daiichi nuclear power plant.
> www3.nhk.or.jp: Radiation levels drop or remain flat
Govt did not reveal high level radiation estimate
Tokyo, April 04, 2011 -
It has been learned that the Japanese government withheld the release of computer projections indicating high levels of radioactivity in areas more than 30 kilometers from the troubled Fukushima Daiichi nuclear power plant.
> www3.nhk.or.jp: Govt did not reveal high level radiation estimate
Fukushima to check industrial goods for radiation
Fukushima, April 3, 2011 -
The government of Fukushima Prefecture will begin free monitoring of local industrial products for radiation following the leaks from the Fukushima Daiichi nuclear plant.
> www3.nhk.or.jp: Fukushima to check industrial goods for radiation
Radiation levels decreasing in northeast Japan
Tokyo, March 26, 2011 -
The level of radioactivity in the air of northeastern Japan has been stable or decreasing for the past few days through Saturday. But levels in some towns are higher than the annual maximum amount judged not harmful to human health.
> www3.nhk.or.jp: Radiation levels decreasing in northeast Japan
Excessive radioactivity found in Tokyo vegetable
Tokyo, March 25, 2011 -
Japan's health ministry says radiation above the legal limit has been detected in a vegetable grown in Tokyo. This is the first time that radioactive cesium exceeding the legal limit has been found in a Tokyo vegetable.
> www3.nhk.or.jp: Excessive radioactivity found in Tokyo vegetable
Radioactive water detected in 6 prefectures
Tokyo, March 25, 2011 -
Radioactive water has been detected at water purification facilities in Tokyo and 5 other prefectures. The level of radioactive iodine-131 at 18 purification plants exceeds Japan's safety limit for infants.
> www3.nhk.or.jp: Radioactive water detected in 6 prefectures
Radioactive iodine found in Kawaguchi
Tokyo, March 24, 2011 -
The city of Kawaguchi, north of Tokyo, says radioactive iodine-131 has been detected in one of its 7 water purification facilities.
The municipal government announced on Thursday that it detected 120 becquerels of iodine per liter of water in a survey carried out on Tuesday. The reading is above the 100-becquerel safety level for infants but is safe for adults.
The city of Matsudo, northeast of Tokyo, also said it detected up to 220 becquerels of iodine per liter in 2 of its purification facilities.
The Tokyo Metropolitan Government says the measurement of a radioactive substance at a water purification plant dropped below the safety limit for infants on Thursday.
> www3.nhk.or.jp: Radioactive iodine found in Kawaguchi
> www3.nhk.or.jp: Radiation level drops at Tokyo water plant
Tokyo to provide bottled water for infants
Tokyo, March 24, 2011 -
The Tokyo Metropolitan government says it will distribute mineral water to families with infants following reports that radioactive material above permissible levels for babies has been detected at one of its purification plants.
> www3.nhk.or.jp: Tokyo to provide bottled water for infants
Restoration at nuke plant disrupted, radiation fears spread to Tokyo
TOKYO, March 23 2011 -
Work to restore power and key cooling functions was disrupted again Wednesday at the crisis-hit Fukushima Daiichi nuclear plant as smoke caused workers to evacuate, while fear of radioactive pollution spread to Tokyo with an alert not to give tap water to infants.
Chief Cabinet Secretary Yukio Edano urged residents of areas under the wind from the plant to stay indoors and avoid exposure to air as much as possible as a precaution, while official advisories are for people within a 20-kilometer radius to evacuate and within 20 km to 30 km to stay indoors.
> english.kyodonews.jp: Restoration at nuke plant disrupted, radiation fears spread to Tokyo
> english.kyodonews.jp: Radioactive iodine exceeding limit for infants found in Tokyo water
Japan finds more vegetables, water affected by radiation
TOKYO, March 23 2011 -
Japanese authorities discovered more leafy vegetables and water contaminated by radiation on Wednesday, nearly two weeks after a quake-hit nuclear plant went on alert.
Prime Minister Naoto Kan warned consumers across the country against eating a wide range of leafy vegetables harvested in Fukushima Prefecture, including broccoli, cabbage, cauliflower and spinach.
It is the first time that Kan has restricted consumption of some farm products in the wake of the nuclear crisis at the Fukushima Daiichi power station, which has been crippled by the March 11 earthquake and ensuing tsunami.
> english.kyodonews.jp: Japan finds more vegetables, water affected by radiation
Extremely high radiation found in soil
Tokyo, March 23, 2011 -
Japanese authorities have detected a concentration of a radioactive substance 1,600 times higher than normal in soil at a village, 40 kilometers away from the troubled nuclear power plant in Fukushima Prefecture.
The results announced on Wednesday show that 163,000 becquerels of radioactive cesium-137 per kilogram of soil has been detected in Iitate Village, about 40 kilometers northwest of the plant.
Gakushuin University Professor Yasuyuki Muramatsu, an expert on radiation in the environment, says that normal levels of radioactive cesium-137 in soil are around 100 becquerels at most. The professor says he was surprised at the extremely high reading, which is 1,630 times higher than normal levels.
He warns that since radioactive cesium remains in the environment for about 30 years it could affect agricultural products for a long time. He is calling on the government to collect detailed data and come up with ways to deal with the situation.
> www3.nhk.or.jp: Extremely high radiation found in soil
Radiation could affect people outside 30km zone
Chief Cabinet Secretary Yukio Edano
Tokyo, March 23, 2011 -
Chief Cabinet Secretary Yukio Edano says computer forecasts show that radiation leaking from a nuclear plant could pose a hazard to people outside its 30-kilometer zone.
Edano said that a computer forecast system has shown that radiation levels in some areas outside the 30-kilometer zone would exceed 100 millisieverts, which is the level that could affect the human thyroid if a person is exposed to it outdoors for 24 hours.
Edano cited a lack of data and the need for more precise calculations, and said there is no need for immediate evacuation or to seek shelter indoors.
At the same time, he urged people living downwind from the plant to stay indoors as much as possible and keep the windows shut as a precaution.
> www3.nhk.or.jp: Radiation could affect people outside 30km zone
Tokyo shoppers rush for mineral water
Tokyo, March 23, 2011 -
Supermarkets in Tokyo are crowded with shoppers buying mineral water after a radioactive substance in unsafe levels for infants was detected in Tokyo tap water.
> www3.nhk.or.jp: Tokyo shoppers rush for mineral water
High-level radiation in Fukushima water
Radiadion levels in water
Tokyo, March 23, 2011 -
High-levels of radiation have been detected in tap water at municipalities across Fukushima Prefecture, where the troubled Dai-ichi nuclear power plant is located.
Water sampled in Iitate village on Sunday contained 965 becquerels of radioactive iodine-131 per liter, more than 3 times the government safety limit of 300 becquerels per liter.
Water sampled in Tamura city last Thursday contained 348 becquerels of iodine, but the level was down to 161 becquerels 2 days later.
Water from 4 other cities in the prefecture had iodine levels above the 100-becquerel per liter safety limit for infants as of Monday.
> www3.nhk.or.jp: High-level radiation in Fukushima water
High levels of iodine in Tokyo tap water
High levels of iodine in Tokyo water purification plant
Tokyo, March 23, 2011 -
Radioactive iodine has been detected in Tokyo tap water in levels above the safe limit for infants.
The Tokyo Metropolitan government says 210 becquerels of iodine-131 were detected on Tuesday in one liter of water at one of its purification plants in northern Tokyo.
A sampling on Wednesday also showed roughly 190 becquerels per liter.
These levels are below the 300-becquerel per liter safe limit for adults, but far above the 100-becquerel limit for infants.
The health ministry adds that the radiation levels measured in the tap water do not pose an immediate health risk to babies younger than one year old even if they drink it.
However the ministry has urged consumers not to use the water to prepare baby formulas as a precaution.
> www3.nhk.or.jp: High levels of iodine in Tokyo tap water
Edano comments on veggie shipment suspensions
Tokyo, March 23, 2011 -
Chief Cabinet Secretary Yukio Edano has officially announced that the government has instructed the governors of Fukushima and Ibaraki prefectures to suspend shipments of and warn against eating some farm produce because of radiation contamination.
> www3.nhk.or.jp: Edano comments on veggie shipment suspensions
Radiation 1,600 times normal level 20 km from Fukushima plant: IAEA
Vienna, March 22 2011 -
Radiation 1,600 times higher than normal levels has been detected in an area about 20 kilometers from the crippled Fukushima Daiichi nuclear power plant, International Atomic Energy Agency officials said Monday.
> english.kyodonews.jp: Radiation 1,600 times normal level 20 km from Fukushima plant: IAEA
High levels of iodine found in tap water
Tokyo, March 22, 2011 -
Japan's health ministry says it has detected radioactive iodine levels above the safety standard for infants in tap water at 5 locations in Fukushima Prefecture.
Officials say iodine-131 levels exceeding 100 becquerels per kilogram were detected in tap water at 4 cities and 1 town. The levels ranged from 120 to 220 becquerels.
> www3.nhk.or.jp: High levels of iodine found in tap water
> www3.nhk.or.jp: Health ministry comments on water radiation
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