1. Anonymous (1976) Council Directive 76/464/EEC of 4 May 1976 on pollution caused by certain dangerous substances discharged into the aquatic environment of the community
2. Anonymous (1979) Council Directive 80/68/EEC of 17 December 1979 on the protection of groundwater against pollution caused by certain dangerous substances
3. Anonymous (2001a) Directive 2001/82/EC of the European Parliament and of the Council of 6 November 2001 on the Community code relating to veterinary medicinal products
4. Anonymous (2001b) Directive 2001/83/EC of the European Parliament and of the Council of 6 November 2001 on the Community code relating to medicinal products for human use
5. Abbas B, Kratz W (2000) Humanarzneimittel in der Umwelt. Erhebung von Humanarzneimittelmengen im Land Brandenburg 1999. Potsdam, Germany: Landes Umweltamt Brandenburg (LUA), Studien und Tagungsberichte Band 25