1. Commission Regulation (EC) No 1881/2006 of 19 December 2006, setting maximum levels for certain contaminants in foodstuffs, Oj No. L 364, 20.12.06, pp. 0005–0024.
2. Commission Regulation (EC) No 629/2008 of 2 July 2008, amending Regulation (EC) No 1881/2006 setting maximum levels for certain contaminants in foodstuffs, Oj No. 173, 03/07/08, pp. 0006–0009.
3. Commission Regulation (EC) No 333/2007 of 28 March 2007 laying down the methods of sampling and analysis for the official control of the levels of lead, cadmium, mercury, inorganic tin, 3 MCPD and benzo(a)pyrene in foodstuffs, Oj No. L 88, 29.03.07, pp. 0029–0038.
4. The proficiency testing programme for trace elements of the CORILA project;Ferreri;Microchem. J.,2005
5. A CRL–IRMM joint proficiency test for trace elements in fish tissue;Frazzoli;Microchem. J.,2005