Fresh water starts flowing into troubled reactors

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Tokyo Electric Power Company has begun pumping fresh water instead of seawater into troubled reactors at the quake-hit Fukushima Daiichi Nuclear Power Plant. Workers had been injecting seawater as an emergency measure to cool the reactors and spent fuel storage pools after the plant was crippled by the quake and tsunami. But experts say the continued use of seawater will cause a crust to form inside the reactors and prevent cooling, as well as causing corrosion.

The plant operator, known as TEPCO, is switching to pumping fresh water from fire engines with storage capacity. Workers began pumping fresh water into the Number One reactor on Friday afternoon and into the Number 3 reactor in the evening. They are now preparing to start injecting fresh water into the Number 2 reactor.

http://www3.nhk.or.jp/daily/english/25_41.html