References
- 국립환경연구원 (2004) 하수종말처리시설 방류수기준 개선에 관한 연구-방류수 기준치 설정체계를 중심으로, 행정간행물 등록번호 11-1480083-000269-01.
- USEPA (2001) Protecting The Nation's Waters Through Effective NPDES Permits, EPA 833-R-01-001.
- USEPA (2003) Watershed-Based National Pollutant Discharge Elimination System (NPDES) Permitting Implementation Guidance, EPA 833-B-03-004.
- European Commission (1991) Council Directive of 21 May Concerning Urban Waste Water Treatment, in: (91:271:EEC), EEC.