1. Directive 2002/32/EC of the European Parliament and of the Council of 7 May 2002 on undesirable substances in animal feed,Off. J. Eur. Comm., No. L140/10, 30 May 2002.
2. Regulation (EC) No 396/2005 of the European Parliament and of the Council of 23 February 2005 on maximum residue levels of pesticides in or on food and feed of plant and animal origin and amending Council Directive 91/414/EEC.
3. Commission Regulation (EC) No 839/2008 of 31 July 2008 amending Regulation (EC) No 396/2005 of the European Parliament and of the Council as regards Annexes II, III and IV setting maximum residue levels of pesticides in or on certain products.
4. United States Department of Agriculture (USDA), Foreign Agricultural Service, Maximum Residue Level Database.http://www.fas.usda.gov/htp/MRL.asp(last accessed Jan 2009).