Nominations of Lee M. Thomas, Alvin L. Alm, Howard M. Messner, and Frederick M. Bernthal : hearings before the Committee on Environment and Public Works, United States Senate, Ninety-eighth Congress, first session, on the nominations of Lee M. Thomas to be Assistant Administrator for Solid Waste and Emergency Response, Environmental Protection Agency; Alvin L. Alm to be Deputy Assistant Administrator, Environmental Protection Agency; Howard M. Messner to be Assistant Administrator for Administration, Environmental Protection Agency, and Frederick M. Bernthal to be a member of the Nuclear Regulatory Commission, June 23 and August 1, 1983.