1. Commission Directive 93/67/EEC of 20 July 1993 laying down the principles for assessment of risks to man and the environment of substances notified in accordance with Council Directive 67/458/EEC;EEC;Off. J. of the European Communities,1993
2. Environmental Hazard Assessment of Substances;ECETOC;Technical Report No. 51,1993
3. Environmental Exposure Assessment;ECETOC;Technical Report No. 61,1994
4. Uniform system for the evaluation of substances (USES), version 1.0;RIVM,1994