effluent guidelines 예문

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1. Effluent Guidelines are implemented in water discharge permits issued to facilities through the National Pollutant Discharge Elimination System ( NPDES ).
2. Effluent Guidelines currently control pollution from close to 60, 000 industrial facilities and annually prohibit the discharge of 700 billion pounds of pollutants into U . S . surface waters.
3. National standards for industrial dischargers are called " Effluent guidelines " ( for existing sources ) and water quality standards for individual water bodies to provide additional protection where the national standards are insufficient.
4. To date, the effluent guidelines and categorical pretreatment standards regulations have been published for 56 categories and apply to between 35, 000 and 45, 000 facilities that discharge directly to the nation's waters.
5. The secondary treatment standards for POTWs and the effluent guidelines are implemented through NPDES permits . ( See Title IV . ) The categorical pretreatment standards are typically implemented by POTWs through permits that they issue to their industrial users.