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Division III.3.8

United Kingdom

Original text. Later amendments are not shown.

A suitable marker residue shall be identified. The marker residue may be the parent drug, any of its metabolites or a combination of any of these. The marker residue shall have the following properties:

  1. (a)

    it shall have a known relationship between it and the total residue concentration in the edible tissue/food commodity of interest;

  2. (b)

    it is appropriate for use in testing for the presence of residues at the time point of interest;

  3. (c)

    it shall have a practicable analytical method to measure it at the level of the MRL.