Since then, the possibility of unforeseen beyond design basis events has been a major concern for plant operators.

This action committed the plant operators to never running it again without a complete replacement of its hardware.

They've driven the project totally from the shop floor through plant operators across five shifts.

That will allow plant operators to start nuclear fission for the first time.

Those are far larger than the amount being leaked, but still well below legal limits, plant operators say.

Negotiations are under way with 11 other plant operators.

That would improve safety, engineers say, because plant operators could learn from others' experience.

Because of the recession, some other towns have had to let plant operators go.

Two sewer plants have already tried the new procedure, and one plant operator has written a report on it.

The other one went to talk to the plant operator.