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Japan starts release of Fukushima’s treated radioactive water
Japan has started releasing treated radioactive water from the devastated Fukushima nuclear power plant, despite continued controversy over the decades-long discharge plan.
The seawater transfer pumps began the release into the Pacific shortly after 1pm local time (04:00 GMT) with plant operator Tokyo Electric Power Company (Tepco) announcing earlier that weather and sea conditions were suitable.
“Now, valves near the seawater transport pumps are opening,” a TEPCO official said via a video link from the site broadcast at the company’s Tokyo headquarters.
More than one million metric tonnes of the treated water, used to cool the wrecked reactors after the 2011 tsunami, is currently stored in some 1,000 tanks around the site and its removal is a key part of decommissioning the still highly dangerous facility.
The entire discharge process is expected to take as long as 40 years.
Monitors from the International Atomic Energy Agency (IAEA), which has backed the plan, will be on-site for the discharge, and samples of water and fish will be taken.
Japan says all radioactive elements have been filtered out except tritium, which is hard to remove from water. The hydrogen isotope is also discharged – at higher levels – by operational nuclear power plants, including in China and France.
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