Implementation of certain sections of the Clean water act : hearings before the Subcommittee on Environmental Pollution of the Committee on Environment and Public Works, United States Senate, Ninety-sixth Conress, second session, June 23, 24, and July 1, 1980. - United States. Congress. Senate. Committee on Environment and Public Works. Subcommittee on Environmental Pollution (U.S. Govt. Print. Off., 1980)
"Serial no. 96-H55."