1. CFR 2007 Code of Federal Regulations; Title 21, Volume 5
2. COT 2003 Committee on toxicity of chemical in food, consumer products and the environment
3. Directive 95/2/EC of 20 February 1995 on food additives other than colours and sweeteners;EC;OJ,1995
4. Commission Regulation (EC) No 629/2008 of 2 July 2008 amending Regulation (EC) No 1881/2006 setting maximum levels for certain contaminants in foodstuffs;EC;OJ,2008