# Council Directive of 12 June 1986 on the protection of the environment, and in particular of the soil, when sewage sludge is used in agriculture (86/278/EEC), Division 4

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

In the case of copper, zinc and chromium, where it has been shown, to the satisfaction of the competent authority of the Member State concerned that they are either not present at all or present only in negligible quantities in the waste water treated by the sewage plant, Member States shall decide on the frequency of the analyses to be carried out.

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Source: https://www.legislation.gov.uk/eudr/1986/278/annex/4/division/4 (the official version)
Page: https://openlegislation.uk/eu-directive-1986-278/annex-4/division-4
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.