Development of water quality criteria and it's relationship to water quality standards

U.S. Environmental Protection Agency2010-02-152010-02-151990http://hdl.handle.net/1969.3/220851 videocassette (14 min., 18 sec.)Discusses Public Law 92-500 and its affects on the water quality standards. The goal of this law is to restore and maintain certain chemical, physical, and biological processes and attributes.water quality legislationwater qualitypollutionpollution controlcontaminationtoxic effectstoxicity tolerancetoxicity testspollution effectsDevelopment of water quality criteria and it's relationship to water quality standardsAudiovisual