1. OECD Guidelines for Testing Chemicals;OECD,1993
2. Water quality - Evaluation of the elimination and biodegradability of organic compounds in an aqueous medium - Activated Sludge Simulation Test;ISO method 11733,1995
3. Council Directive 67/548/EEC of 18 August 1967 on the approximation of the laws, regulations and administrative provisions related to the classification, packaging and labelling of dangerous substances;Commission of the European Communities;Off. J. Eur. Communities,1967
4. Council Directive 73/405/EEC of 22 November 1973 on the approximation of laws of the member states relating to methods of testing the biodegradability of anionic surfactants;Commission of the European Communities;Off. J. Eur. Communities,1973
5. Council Directive 91/271/EEC of 21 May 1991 concerning urban waste water treatment;Commission of the European Communities;Off. J. Eur. Communities,1991