Tepco Halts Filtering of Tainted Water at Japanese Plant via The New York Times

TOKYO — The Tokyo Electric Power Company said Saturday that the filtration system it had struggled to put into operation at the damaged Fukushima Daiichi nuclear power plant had broken down after just five hours, a disappointing setback in its efforts to cool the reactors.

The company said that the sprawling system, which is designed to siphon oil, radioactive materials and salt from the water used to cool the reactors, was shut down because of readings that indicated one of the filters had filled up with radioactive cesium. The rapid depletion of a filter that was supposed to have lasted several weeks suggested the presence of far greater radioactive material than anticipated.

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