11.   The agency has also begun a study, which may not be completed until next year, that may decide to close the reactor permanently.

12.   The reactor was closed for almost a year, though Con Edison said the amount of radiation released was too small to be a threat to public health.

13.   The uproar that followed now threatens to close the reactor permanently.

14.   The West has provided millions in financial assistance, but it will have to contribute more to improve nuclear safety and close dangerous reactors.

15.   France decides to close reactor.

16.   Now, its aging reactor is closed indefinitely while officials try to pump the tritium from where it has leached downstream back to the reactor area.

17.   The first reactor had been closed Monday afternoon.

18.   The reactor will be closed for at least six weeks of tests.

19.   The Swedish government has suggested a new approach to phasing out nuclear power that would give the industry a greater say on when to close the reactors.

20.   He said a rush to close the reactor would strain resources, lower staff morale and tempt key specialists to leave early.