Virginia Water Resources Research Center2014-07-022014-07-021978http://hdl.handle.net/10919/4928914 pagesapplication/pdfen-USIn CopyrightTC1 .V5United States. Federal Water Pollution Control ActWater -- Pollution -- Law and legislation -- United StatesFactory and trade waste -- Law and legislation -- United StatesNational water quality goals : an overview of the 1977 Clean water act amendmentsReporthttp://vwrrc.vt.edu/pdfs/specialreports/sr041978.pdf4631388