- Basel Conventie. ( Guideline )
- Recycling Forum van de EU.( DG III – DG XI )
- Europese wetgeving m.b.t verkeerslawaai, directive of packaging, I.P.P. ( Intergrated Product Policy ), End of Life Vehicles, Life Cycle Analysis, waste statistics, incineration of waste, chemical policy, packaging directive, toekomstige wetgeving