The agency would not comment on the complaint, but said that it had worked hard to create a diverse work environment.

The agency would not comment on wait times at individual airports.

A spokeswoman for the commission in Washington said the agency would not comment on the case.

A spokesman for the commission said the agency would not comment on the discussions.

Neither the agency nor the company would comment on when arbitration might begin.

Neither agency would comment on any findings until its investigation was complete.

A spokesman for the commission said the agency did not comment on such matters.

The agency would not comment about any possible disciplinary measures.

An Energy Department spokesman said today the agency would not comment on the report.

She said the agency does not comment on individual cases.