# Council Directive 2013/51/Euratom of 22 October 2013 laying down requirements for the protection of the health of the general public with regard to radioactive substances in water intended for human consumption, Division (a): screening for certain radionuclides, or screening for an individual radionuclide

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

If one of the activity concentrations exceeds 20 % of the corresponding derived value or the tritium concentration exceeds its parametric value listed in Annex I, an analysis of additional radionuclides shall be required. The radionuclides to be measured shall be defined by Member States taking into account all relevant information about likely sources of radioactivity.

---
Source: https://www.legislation.gov.uk/eudr/2013/51/annex/III/division/1/division/a (the official version)
Page: https://openlegislation.uk/eu-directive-2013-51/annex-III/division-1/division-a
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.