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)

‘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

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”

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

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

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)

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

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

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

Japan Times Headline: Machine fell into MOX spent-fuel pool -Tepco — “Highly dangerous mixed oxide fuel”

Local Official: Japan gov’t did not reveal plutonium-241 detection — Radiation dose was 50 times higher than total of other three plutonium isotopes that were mentioned (VIDEO)

Group with SAM 940 isotope identifier detected high levels of Plutonium-239 near Iwaki a month after quake — 50km south of Fukushima Daiichi — Found at multiple locations (MAP & VIDEO)

Report: Plutonium ratio 200 times higher than gov’t says — Detection made 50km south of Fukushima Daiichi (RESULTS)

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Gov’t: Highest plutonium concentration found almost 20km away from Fukushima plant

L.A. Times: Speculation that “supercritical fission event” occurred at Fukushima reactor irradiating plutonium, says nuclear expert — Explosion so massive investigators found fuel rod fragments a mile away

Just-Published Study: Plutonium being found away from Fukushima is from nuclear fuel fragments blown out after explosions

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Nature Study: Long-term plutonium dose assessment needed after Fukushima — Concerns about Americium-241 also — Deposition south of plant, not only northwest

Kyodo: Plutonium detected at multiple locations outside 20km zone — Up to 35 Bq/kg of Pu-241