Sources of toxic pollutants found in influents to sewage treatment plants - United States. Environmental Protection Agency. Office of Water Planning and Standards. Monitoring and Data Support Division; Levins, P. (Washington DC. : U. S. Environmental protection agency, Office of water planning & standards, Monitoring and Data support Division ; United States, Government Printing Office, 1979)
Library has vol. 5
Keywords: Pesticides -- Environmental aspects; Pollution -- Environmental aspects