On Petition for Review of Decision of the United States Environmental Protection Agency.
Bruce J. Terris, Washington, D. C. (James M. Hecker, Philip G. Sunderland, Washington, D. C., Karen H. Edgecombe, Patrick M. McSweeney, McSweeney, Stutts & Burtch, Richmond, Va., on brief), for petitioners.
Elizabeth Stein, Pollution Control Section, Dept. of Justice, Washington, D. C. (Raymond W. Mushal, Pollution Control Section, Dept. of Justice, Angus Macbeth, Deputy Asst. Atty. Gen., Land and Natural Resources Division, Charlotte Uram, Acting Chief, Pollution Control Section, Michele B. Corash, Gen. Counsel, Mitchell H. Bernstein, John D. Cooper, U. S. Environmental Protection Agency, Washington, D. C., on brief), for respondent.
Roger L. Chaffe, Asst. Atty. Gen., Richmond, Va. (Marshall Coleman, Atty. Gen. of Virginia, Richmond, Va., on brief), for intervenor Virginia State Air Pollution Control Board.
Gerald L. Baliles, John A. Gibney, Bell, Lacy & Baliles, Richmond, Va., Brent N. Rushforth, Albert H. Turkus, John P. Schnitker, Dow, Lohnes & Albertson, Washington, D. C., on brief, for intervenor Hampton Roads Energy Co.
Before HALL, PHILLIPS and SPROUSE, Circuit Judges.