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Nuclear Expert in Japan: Plutonium “is everywhere… it is everywhere” after Fukushima reactors exploded — It’s being redeposited in “unanticipated” locations — “Black radioactive dust just wherever you go” — “It’s running right into Pacific Ocean” (VIDEO)

Excerpts from interview with Arnie Gundersen, Fairewinds’ chief engineer and former nuclear engineer during speaking tour in Japan, Feb 17, 2016 (at 2:30 in):

Full interview here: Soundcloud | YouTube

Expert: Plutonium-241 from Fukushima nearly 70,000 times more than atomic bomb fallout in Japan — Gov’t Labs: Large areas of oceans contaminated by plutonium from events such as Fukushima; Build-up in biosphere expected; Considerable hazard to humans — Officials: Molten fuel now ‘particle-like’, contains ‘special’ nuclear materials

Taeko Shinonaga, head of Radioanalytical Laboratory at Helmholtz Zentrum Munchen (research institution founded jointly by Germany’s Federal Ministry of Education & Research and Bavaria’s Finance Ministry), scientists from Technische Universitat Munchen (Germany), Verhandlungen der Deutschen Physikalischen Gesellschaft 2013 meeting (emphasis added): Detection of long-lived plutonium isotopes in environmental samples by Accelerator Mass Spectrometry (AMS) . . . → Read More: Expert: Plutonium-241 from Fukushima nearly 70,000 times more than atomic bomb fallout in Japan — Gov’t Labs: Large areas of oceans contaminated by plutonium from events such as Fukushima; Build-up in biosphere expected; Considerable hazard to humans — Officials: Molten fuel now ‘particle-like’, contains ‘special’ nuclear materials

Nuclear Expert: We found ‘mystery’ Fukushima plutonium; Why it’s there is yet to be understood, this was not expected — US Gov’t Expert: I don’t want to go down the rabbit hole too far… There’s speculation about plutonium fuel and about what other fuel they were using (VIDEO)

Princeton University’s Institute for the Science and Technology of Materials (PRISM), presentation by Georg Steinhauser of Colorado State University, scheduled for Nov. 5, 2014 (emphasis added): Radionuclide Analysis in Environmental Research after the Fukushima Nuclear Accident — The Fukushima nuclear accident will remain in public memory as one of the worst environmental disasters of . . . → Read More: Nuclear Expert: We found ‘mystery’ Fukushima plutonium; Why it’s there is yet to be understood, this was not expected — US Gov’t Expert: I don’t want to go down the rabbit hole too far… There’s speculation about plutonium fuel and about what other fuel they were using (VIDEO)

Plutonium detected underground near Fukushima reactor — Test results not revealed publicly for almost a year after sampling date — Officials plan to pump up groundwater from same well it was found in and dump it into Pacific Ocean (PHOTO)

Kyodo News, Aug 11, 2014: Plan filed to build toxic water dumping facility at Fukushima plant [...] TEPCO plans to conduct performance tests next week [...] using water it will start pumping up on a trial basis Tuesday [...] Radioactive substances [...] have been detected in some water samples from the wells. TEPCO says . . . → Read More: Plutonium detected underground near Fukushima reactor — Test results not revealed publicly for almost a year after sampling date — Officials plan to pump up groundwater from same well it was found in and dump it into Pacific Ocean (PHOTO)

‘Increasing alarm’ at Fukushima: Trenches filled with thousands of tons of plutonium contaminated liquid leaking into ocean — ‘Biggest risk’ at plant — ‘Exceptionally difficult’ problem — ‘Constant flow’ in and out of trenches — ‘Racing to stop’ more from coming in (PHOTO)

Wall St. Journal, Aug 7, 2014 (emphasis added): [Shunichi Tanaka, chairman of the Nuclear Regulation Authority] said [Tepco] needs to get its priorities straight when it comes to work to decommission [...] Fukushima Daiichi [...] “The biggest risk is the trench water. Until that matter is addressed, it will be difficult to proceed with . . . → Read More: ‘Increasing alarm’ at Fukushima: Trenches filled with thousands of tons of plutonium contaminated liquid leaking into ocean — ‘Biggest risk’ at plant — ‘Exceptionally difficult’ problem — ‘Constant flow’ in and out of trenches — ‘Racing to stop’ more from coming in (PHOTO)

New report estimates 278 trillion Bq of plutonium released from Fukushima reactors — Over 200 times higher than amount reported by Tepco — “Highly radiotoxic when incorporated into human body” as it decays

Evaluation of the Fukushima Accident Source Term through the fast running code RASCAL 4.2 (pdf), ENEA Bologna Research Centre, May 23, 2014: This Report presents the results of the application of the fast-running US-NRC direct code RASCAL 4.2 to the estimation of the Fukushima Source Term. [...] it is plausible that the ventings that . . . → Read More: New report estimates 278 trillion Bq of plutonium released from Fukushima reactors — Over 200 times higher than amount reported by Tepco — “Highly radiotoxic when incorporated into human body” as it decays

Study: Plutonium from Fukushima went further than Chernobyl — Researchers ‘surprised’ their most plutonium-contaminated sample was from site farthest from Fukushima plant — Concern material is flowing into Pacific Ocean from land

Environmental Science & Technology (American Chemical Society), July 11, 2014 (emphasis added): Novel Insights into Fukushima Nuclear Accident from Isotopic Evidence of Plutonium Spread along Coastal Rivers

Our results demonstrate that Pu isotopic compositions similar to the ones found in roadside dust samples outside the 20-km exclusion zone in Iitate-Mura and Minamisoma municipalities could . . . → Read More: Study: Plutonium from Fukushima went further than Chernobyl — Researchers ‘surprised’ their most plutonium-contaminated sample was from site farthest from Fukushima plant — Concern material is flowing into Pacific Ocean from land

Scientists: Plutonium released from Fukushima “is of radiological concern”; Reactor must be source, not spent fuel pool — Study: Plutonium found 120 km from plant; “Pu and non-natural uranium certainly increased in environment”

Environmental Science & Technology (ACS Publications), Apr. 1, 2014: Airborne Plutonium and Non-Natural Uranium from the Fukushima DNPP Found at 120 km Distance a Few Days after Reactor Hydrogen Explosions — Plutonium (Pu) and non-natural uranium (U) originating from the Fukushima Daiichi Nuclear Power Plant (FDNPP) were identified in the atmosphere at 120 km . . . → Read More: Scientists: Plutonium released from Fukushima “is of radiological concern”; Reactor must be source, not spent fuel pool — Study: Plutonium found 120 km from plant; “Pu and non-natural uranium certainly increased in environment”

Plutonium-burning reactors to restart in Japan? — Gov’t forcing companies to use MOX fuel — Official: “We have no other choice”

Title: Plutonium problem lingers as mixed-oxide fuel comes to Japan Source: Asahi Authors: Toshio Kawada, Rintaro Sakurai, Shinya Takagi and Mari Fujisaki Date: June 25, 2013

Plutonium problem lingers as mixed-oxide fuel comes to Japan [...] Four utilities plan to apply for restarting 12 reactors as soon as new nuclear safety standards take effect . . . → Read More: Plutonium-burning reactors to restart in Japan? — Gov’t forcing companies to use MOX fuel — Official: “We have no other choice”

Fairewinds: Thyroid data means much more radiation must have come out of Fukushima reactors than anyone reported — Medical professionals are talking about how many cancers have started showing up (AUDIO)

Title: Fukushima Kids with Yumi Kikuchi Source: Fairewinds Energy Education Date: Jun 19, 2013

At 5:30 in

Maggie Gundersen, founder of Fairewinds Energy Education: We’re also working with different medical professionals who are talking about how many thyroid cancers have started showing up.

After an accident of the magnitude of Fukushima Daiichi, the thyroid . . . → Read More: Fairewinds: Thyroid data means much more radiation must have come out of Fukushima reactors than anyone reported — Medical professionals are talking about how many cancers have started showing up (AUDIO)

Japan Professor: I believe airborne release of cesium-137 from Fukushima equals 400 to 500 Hiroshima nuclear bombs — Another 400 to 500 bombs worth has already flowed into Pacific Ocean (VIDEO)

Title: Fukushima Daiichi: A Chronological Account of the Disaster Event: Helen Caldicott Foundation Symposium: The Medical and Ecological Consequences of the Fukushima Nuclear Accident, Co-Sponsored by Physicians for Social Responsibility Source: ERF2012 Videographed & Edited by: Intertelemedia, Inc Translated by: Kazko Kawai, Voices for Lively Spring Subtitled by: East River Films Inc Date: March . . . → Read More: Japan Professor: I believe airborne release of cesium-137 from Fukushima equals 400 to 500 Hiroshima nuclear bombs — Another 400 to 500 bombs worth has already flowed into Pacific Ocean (VIDEO)

Study: Fukushima plutonium in Pacific Ocean from ‘liquid direct releases’?

Title: Should we measure plutonium concentrations in marine sediments near Fukushima? Source: Journal of Radioanalytical and Nuclear Chemistry Author: R. Periáñez, Kyung-Suk Suh, Byung-Il Min Date: February 2013

Excerpt

Much less information is available in the case of plutonium isotopes. Trace amounts of Pu isotopes originating from the accident have been identified in soil . . . → Read More: Study: Fukushima plutonium in Pacific Ocean from ‘liquid direct releases’?

UPDATE: Plutonium measured in 3/11 disaster debris

*Update* EXSKF: Radioactive Japan: Sanjo City’s Detection of Plutonium in the Iwate Debris and Soil Causing Excitement on Twitter … “levels are well within the background; they are actually much lower than the background measured in the past”

Fukushima Diary:  Plutonium-239, 240 and Strontium were measured from soil and wooden chips of Ohtsuchi cho Iwate [...] . . . → Read More: UPDATE: Plutonium measured in 3/11 disaster debris

Berkeley Nucleonics: Plutonium-239 levels were almost as high as Cesium-137 a dozen kilometers from Fukushima Daiichi (PHOTO & VIDEO)

Title: Berkeley Nucleonics Japan Update Page Source: Berkeley Nucleonics

Live Map in Fukushima (SAM 940 Readings) – Ground

Note airborne uranium levels mentioned in the video (date & location unknown):

. . . → Read More: Berkeley Nucleonics: Plutonium-239 levels were almost as high as Cesium-137 a dozen kilometers from Fukushima Daiichi (PHOTO & VIDEO)

Researchers: Continuing radioactive leaks from Fukushima Daiichi — “There must be a source” — 300,000,000,000 becquerels a month thought entering Pacific

Title: Ocean still suffering from Fukushima fallout Source: Nature Author: Geoff Brumfiel Date: 14 November 2012 h/t Enformable

Continuing leaks and contaminated sediment keep radiation levels high.

[...] New data presented at a conference held on 12–13 November at the University of Tokyo show that levels of radioactivity in the sea around the plant . . . → Read More: Researchers: Continuing radioactive leaks from Fukushima Daiichi — “There must be a source” — 300,000,000,000 becquerels a month thought entering Pacific

Gundersen: A ton of plutonium was in each Fukushima reactor — Host shocked (VIDEO)

Title: Arnold Gundersen with the latest on Fukushima: its effects on Japan, and the global risks posed by the No. 4 reactor Source: If You Love This Planet Radio Author: Dr. Helen Caldicott Date: July 27, 2012

This week, Dr. Caldicott has a new conversation with nuclear engineer Arnold Gundersen about the ongoing nuclear . . . → Read More: Gundersen: A ton of plutonium was in each Fukushima reactor — Host shocked (VIDEO)

Tepco: Cesium getting stirred up? Fukushima plant still emitting 10,000,000 becquerels every hour

(Subscription Only) Title: After 500 days, Fukushima No. 1 plant still not out of the woods Source: Asahi, AJW Author: By TAKASHI SUGIMOTO Date: July 24, 2012

[...]

According to calculations by Tokyo Electric Power Co., the operator of the Fukushima No. 1 plant, a total of about 10 million becquerels per hour of . . . → Read More: Tepco: Cesium getting stirred up? Fukushima plant still emitting 10,000,000 becquerels every hour

Tepco: Total estimated cesium release into air is triple amount published 2 months ago

The Estimated Amount of Radioactive Materials Released into the Air Due to the Accident at Fukushima Daiichi Nuclear Power Station: Progress Since May 24, 2012 Tepco July 23, 2012

Total cesium before reevaluation = 20 petabecquerels (PBq) Total cesium after reevaluation = 50-70 PBq (Average of 60 PBq, or 3 times higher than before) . . . → Read More: Tepco: Total estimated cesium release into air is triple amount published 2 months ago

‘Special Report’: Plutonium levels suggest fuel rods were shattered during hydrogen explosions

PDF: Estimating the Potential Impact of Failure of the Fukushima Daiichi Unit 4 Spent Fuel Pool A Local Problem for Japan or a Global Mega Crisis? Holophi Special Report Paul C. Gailey, Ph.D., President & CEO, Holophi CH AG April 2012

Abstract

Extreme opinions are being voiced about the risk of global catastrophe . . . → Read More: ‘Special Report’: Plutonium levels suggest fuel rods were shattered during hydrogen explosions

Uranium detected in Tokyo soil sample — “That needs more study” says nuclear expert (VIDEO)

Arnie Gundersen Discuss the Triple Meltdown at Fukushima Daiichi and the Unit 4 Spent Fuel Pool WDEV Radio’s Mark Johnson May 1, 2012

WDEV/Radio Vermont’s Mark Johnson interviews Arnie Gundersen of Fairewinds. Johnson and Gundersen discuss the situation now at Fukushima Daiichi and the lingering disaster at its Unit 4 spent fuel pool. 

“One . . . → Read More: Uranium detected in Tokyo soil sample — “That needs more study” says nuclear expert (VIDEO)

Official: Plutonium detected in black substance from Minamisoma (PHOTOS)

UPDATED HERE: Source: Over 500 microSv/h detected from black substance (PHOTO)

Comments by Koichi Oyama translated by Fukushima Diary:

Sample was taken after decontamination. The sample contains soil, sand, and water other than black substance. (Water ratio is not announced.) Sample to consist of only black substance and water (Moisture content = 71.4%) contains . . . → Read More: Official: Plutonium detected in black substance from Minamisoma (PHOTOS)

10 times more cesium released from Fukushima than Japan gov’t claims -Study (VIDEO)

Title: The Fukushima Nuclear Disaster – One Year Later Source: Arnie Gundersen Uploaded by: ChrisNolandTV Upload Date: Apr. 18, 2012

At 27:22 in

The question is what are the various people calculating doses assuming for … cesium?

I’ve seen the Japanese assume that 99% was retained [inside the reactors].

There’s an Australian study out . . . → Read More: 10 times more cesium released from Fukushima than Japan gov’t claims -Study (VIDEO)