2011年5月17日星期二

Hidden Dangers: Japanese Officials Ignored or Concealed Dangers

If such a quake struck, electrical power could fail, along with backup generators, crippling the cooling system, the lawyers predicted. The reactors would then suffer a meltdown and start spewing radiation into the air and sea. Tens of thousands in the area would be forced to flee.


Although the predictions sound eerily like the sequence of events at the Fukushima Daiichi plant following the March 11 earthquake and tsunami, the lawsuit was filed nearly a decade ago to shut down another plant, long considered the most dangerous in Japan — the Hamaoka station.


It was one of several quixotic legal battles waged — and lost — in a long attempt to improve nuclear safety and force Japan’s power companies, nuclear regulators, and courts to confront the dangers posed by earthquakes and tsunamis on some of the world’s most seismically active ground.


The lawsuits reveal a disturbing pattern in which operators underestimated or hid seismic dangers to avoid costly upgrades and keep operating. And the fact that virtually all these suits were unsuccessful reinforces the widespread belief in Japan that a culture of collusion supporting nuclear power, including the government, nuclear regulators and plant operators, extends to the courts as well.


Yuichi Kaido, who represented the plaintiffs in the Hamaoka suit, which they lost in a district court in 2007, said that victory could have led to stricter earthquake, tsunami and backup generator standards at plants nationwide.


“This accident could have been prevented,” Mr. Kaido, also the secretary general of the Japan Federation of Bar Associations, said of Fukushima Daiichi. The operator of the plant, Chubu Electric Power Company, temporarily shut down Hamaoka’s two active reactors over the weekend, following an extraordinary request by Prime Minister Naoto Kan.


After strengthening the plant’s defenses against earthquakes and tsunamis, a process that could take a couple of years, the utility is expected to restart the plant.


Japan’s plants are all located in coastal areas, making them vulnerable to both quakes and tsunamis. The tsunami is believed to have caused the worst damage at the Fukushima plant, though evidence has begun emerging that the quake may have damaged critical equipment before the waves struck.


The disaster at Fukushima Daiichi, the worst nuclear accident since Chernobyl, directly led to the suspension of Hamaoka here in Omaezaki, a city about 120 miles southwest of Tokyo. But Mr. Kan’s decision was also clearly influenced by a campaign, over decades, by small groups of protesters, lawyers and scientists, who sued the government or operators here and elsewhere.


They were largely ignored by the public. Harassment by neighbors, warnings by employers, and the reluctance of young Japanese to join antinuclear groups have diminished their numbers.


But since the disaster at Fukushima and especially the suspension of Hamaoka, the aging protesters are now heralded as truth-tellers, while members of the nuclear establishment are being demonized.


On Friday, as Chubu Electric began shutting down a reactor at 10 a.m., Eiichi Nagano, 90, and Yoshika Shiratori, 78, were battling strong winds on the shoreline leading to the plant here. Mr. Shiratori, a leader of the lawsuit, led the way as Mr. Nagano followed with a sprightly gait despite a bent back. The two men scrambled up a dune, stopping only before a “No Trespassing” sign.


“Of course, we’re pleased about the suspension,” Mr. Nagano said, as the strong wind seemed to threaten to topple him. “But if we had done more, if our voices had been louder, we could have prevented the disaster at Fukushima Daiichi. Fukushima was sacrificed so that Hamaoka could be suspended.”


Unheeded Warnings


In 1976, a resource-poor Japan still reeling from the shocks of the oil crisis was committed fully to nuclear power to achieve greater energy independence, a path from which it never strayed despite growing doubts in the United States and Europe.


 

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