Denmark started development of its national hazardous waste management system in 1971,and since then the system has been continuously developed as a result of technical and political changes.

This paper describes the development of this national registration, collection and treatment system for oil-and chemical wastes, seen from an operator's point of view.

Development in waste amount is presented and commented on based on the corresponding political and legal actions taken due to the increased environmental concern in the country.

Trends in development of alternative treatment and recycling facilities resulting from technological developments and economical incentives are mentioned.