| | Implementation of Council Directive 91/271/EEC of 21 May 1991 |
| | 0,33 | | MB | concerning urban wastewater treatment, as amended by |
| | 55 | | stron | Commission Directive 98/15/EC of 27 February 1998 |
| | 1039 | | ID | Directorate-General for the Environment, European Commission |
| | 2003 | | rok |