Energy Department officials said that aside from the lab's top managers, most of the 3,200 workers will be not affected by the change.

Energy Department officials estimated that without any changes, there would be little oil left to pump in the country within 50 or 60 years.

Energy Department officials have said they hope to keep material at the plant for five to 10 years, but may look at other options.

Energy Department officials privately acknowledge that the concept is attractive.

So far, Energy Department officials say, no radiation has been detected.

Energy Department officials said radiation from the test was contained in the ground.

Energy Department officials said it was unclear how long the plant, which employs more than 5,000 people, would be shut down.

Energy Department officials say, however, that the groups had other opportunities for comment.

The largest group of those saying positive things were Energy Department officials.

Energy Department officials say they monitor air conditions when workers chip at concrete.

Energy Department officials said that aside from the lab's top managers, most of the 3,200 workers will be not affected by the change.

Energy Department officials estimated that without any changes, there would be little oil left to pump in the country within 50 or 60 years.

Energy Department officials have said they hope to keep material at the plant for five to 10 years, but may look at other options.

Energy Department officials privately acknowledge that the concept is attractive.

So far, Energy Department officials say, no radiation has been detected.

Energy Department officials said radiation from the test was contained in the ground.

Energy Department officials said it was unclear how long the plant, which employs more than 5,000 people, would be shut down.

Energy Department officials say, however, that the groups had other opportunities for comment.

The largest group of those saying positive things were Energy Department officials.

Energy Department officials say they monitor air conditions when workers chip at concrete.