1. EU Directive 94/62/EC on packaging and packaging waste, O. J. L 365. 20.12.1994. 10–23.
2. EU Directive 2002/96/EC on waste electrical and electronic equipment (WEEE), O. J. L37. 13.2.2003. 24–38.
3. EU Directive 2002/95/EC on the restriction of the use of certain hazardous substances in electrical and electronic equipment, O. J. L 37. 13.2.2003. 19–23.
4. Interlaboratory test on polymers: determination of heavy metals in polymer metrices;Ritter;Polym. Test.,2004
5. An evaluation of analytical techniques for determination of lead, cadmium, chromium, and mercury in food-packaging materials;Perring;Fresenius’ J. Anal. Chem.,2001