# Council Directive of 15 October 1984 on the approximation of the laws of the Member States relating to ceramic articles intended to come into contact with foodstuffs (84/500/EEC), Division 4.1: The detection limit for lead and cadmium must be equal to or lower than:

Extent: E+W+S+N.I.

0,1 mg/litre for lead,
0,01 mg/litre for cadmium.
The detection limit is defined as the concentration of the element in the 4 % acetic acid solution, as referred to in point 3.1, which gives a signal equal to twice the background noise of the instrument.

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Source: https://www.legislation.gov.uk/eudr/1984/500/annex/II/division/4/division/4.1 (the official version)
Page: https://openlegislation.uk/eu-directive-1984-500/annex-II/division-4/division-4.1
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.