1. European Parliament – European Water Framework Directive.
2. Directive 2008/105/CE European Parliament – European Water Directive.
3. Convention for the protection of the marine environment of the North-East Atlantic. OSPAR Convention; 1992.
4. Convention for the protection of the Mediterranean Sea against pollution. Barcelona Convention; 1995.
5. Convention on the prevention of marine pollution by dumping of wastes and other matter. London Convention; 1972.