United States. Environmental Protection Agency. Office of Water. (1995). Preliminary study of the iron and steel category: 40 CFR part 420 effluent limitations guidelines and standards. U.S. Environmental Protection Agency, Office of Water, Office of Science and Technology, Engineering and Analysis Division.
Chicago Style (17th ed.) CitationUnited States. Environmental Protection Agency. Office of Water. Preliminary Study of the Iron and Steel Category: 40 CFR Part 420 Effluent Limitations Guidelines and Standards. Washington, D.C.: U.S. Environmental Protection Agency, Office of Water, Office of Science and Technology, Engineering and Analysis Division, 1995.
MLA (9th ed.) CitationUnited States. Environmental Protection Agency. Office of Water. Preliminary Study of the Iron and Steel Category: 40 CFR Part 420 Effluent Limitations Guidelines and Standards. U.S. Environmental Protection Agency, Office of Water, Office of Science and Technology, Engineering and Analysis Division, 1995.