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Fukushima nuclear plant still plagued by tainted water 6 years after meltdowns via The Mainichi

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The number of areas on the plant site requiring full face masks has decreased considerably, and the overall working environment has improved greatly. However, the issue of having to replace the tanks that hold radioactively contaminated water lingers.

Dealing with contaminated water requires significant manpower. According to TEPCO, about half of the approximately 6,000 people working daily at the No. 1 nuclear power plant are involved in handling contaminated water.

There are roughly 1,000 tanks of contaminated water inside the No. 1 plant site, forming a forest of containers with nowhere else to go.

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Although covering the ground at the No. 1 plant with concrete has made it possible to work in about 90 percent of the site without a protective uniform, all those working near the old tanks must wear full face masks and Tyvek suits as the tanks once held highly contaminated water. Wearing this kind of protective clothing makes the work much harder to perform — as it can be difficult to breathe — and it is physically exhausting, even in the middle of winter.

Hiroshi Abe, 55, of Shimizu Corp. — the company overseeing the dismantling work — states, “As we work toward recovery from the disaster, we want to ensure that all workers are protected from radiation exposure and injuries.”

Presently, the level of radiation in the vicinity of the buildings housing the No. 1, No. 2, and No. 3 reactors is high. During the Mainichi Shimbun’s visit to the site on Feb. 24, the radiation level near the No. 3 reactor was found to be more than 300 microsieverts per hour, and near the No. 2 reactor building, it was discovered to be 137.6 microsieverts per hour.

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