1. European parliament and Council Directive 94/62/EC, 20 /12/94 on packaging and packaging waste;Official Journal of the European Community,1994
2. The Producer Responsibility Obligations (packaging waste), Regulations 1997, Statutory Instrument 1997, No. 648, Crown Copyright 1997.
3. Markets and growth opportunities for recycled plastics in the UK;Survey of Applications,2003
4. Papineschi J. Standards and specifications affecting plastics recycling in the UK, waste resource action programme; January 2003.
5. Wilson S. Plastic bottle recycling in the UK, waste resource action programme; August 2003.