Friday 17 November 2017

Japan on 'maximum alert' as toxic soil leak found

Students of Okawa Elementary in Miyagi Prefecture on their first day back to school since the tsunami. Only 34 Okawa students out of 108 survived the disaster
Students of Okawa Elementary in Miyagi Prefecture on their first day back to school since the tsunami. Only 34 Okawa students out of 108 survived the disaster

Danielle Demetrioul in Tokyo

Japan's prime minister has declared a state of "maximum alert" over the country's nuclear disaster after highly toxic plutonium was found to have leaked into soil near the plant.

Prime Minister Naoto Kan told the Japanese parliament that the combined 9.0 magnitude earthquake, tsunami and nuclear accident were the "biggest crises" in decades.

"From now on, we will continue to handle it in a state of maximum alert," he said.

Mr Kan's comments came after the Tokyo Electric Power Company (TEPCO), the operators of the Fukushima plant, confirmed that plutonium had been detected, for the first time, in two out of five soil samples.

TEPCO said the levels of plutonium were not harmful to human health, but experts said the discovery raised concerns that the reactor's containment mechanism had been breached.

"Plutonium is a substance that's emitted when the temperature is high, and it's also heavy and so does not leak out easily," said Hidehiko Nishiyama, deputy director of Japan's Nuclear and Industrial Safety Agency.

"So if plutonium has emerged from the reactor, that tells us something about the damage to the fuel. And if it has breached the original containment system, it underlines the gravity and seriousness of this accident."

It is thought that some of the plutonium may have entered the soil from spent fuel rods at the plant or due to damage to reactor Number 3, the only reactor using the substance in its fuel mix.

Used in nuclear bombs and a by-product of atomic reactions, plutonium is an extremely dangerous radioactive element.

In spite of the dangers, hundreds of staff and firefighters continued to work in shifts at the plant amid increasingly challenging conditions.


According to the Mainichi newspaper, they were sleeping in a "key earthquake-proof building", the floors covered with a sheet containing lead to block out the radiation present in the building.

"The working environment is very tough," said Kazuma Yokota, head of the nuclear inspection office overseeing the plant.

Japan's government is facing increasing pressure to widen the current evacuation zone, which extends to 12 miles. There are fears that tens of thousands of residents ordered to leave the area may never be able to return, due to the contamination.

"These lands have come from their ancestors and their affection for it is enormous," said Tomo Honda, a member of Fukushima's regional assembly. "The first step is to actually tell these refugees that they can't go back, but people are not facing that reality yet."

An estimated 70,000 people have left the evacuation zone, and a further 130,000 residents living up to 19 miles away have been encouraged to leave or stay indoors.

The government has continued to urge the approximately 40 residents who have refused to leave their homes within the 12-mile zone to head for safety to avoid damaging their health.


There was also mounting speculation that the government may take steps to nationalise TEPCO, which has faced growing criticism for its handling of the situation and was strongly reprimanded by the government for recently miscalculated radiation figures. A study claimed TEPCO had ignored warnings from scientists and researchers in relation to the region's 3,000-year history of strong quakes and tsunamis.

TEPCO also reportedly used its own computer programmes to calculate worst-case-scenario tsunami risks, as opposed to an internationally accepted prediction method, according to the Associated Press. (© Daily Telegraph, London)

Irish Independent

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