1. Dioxin, Agent Orange: The Facts, Plenum Press, New York, 1986, ch. 7.
2. EU Directive 87/101.
3. Mueller Associates, Inc., Waste Oil Reclaiming Technology, Utilization and Disposal, Noyes Data Corporation, Park Ridge, NJ, 1989.
4. ‘Collection and disposal of used oil in Europe’, in Proc. 3rd Eur. Congr. Re-refining, Lyon, France, 1996.
5. Project rose® (recycled oil saves energy): Alabama's used oil recycling program