Proficiency testing for the evaluation of the ability of European Union-National Reference laboratories to Determine aflatoxin M_1 in milk at levels corresponding to The new European Union legislation

摘要

In 1992, the European Union set up a network of National Reference Laboratories and charged the Community Reference Laboratory with the responsi- Bility to design a proficiency testing scheme for asses- Sing the analytical ability of laboratories involved in the official control of aflatoxin M_1 in milk. Since 1996, two Exercises of proficiency testing have been performed on Samples of milk powder and liquid milk at various levels Of aflatoxin M_1 content.