# Council Directive 98/83/EC of 3 November 1998 on the quality of water intended for human consumption, Division 4: Based on the results of the risk assessment, the list of parameters in point 2 of Part B shall be extended and/or the sampling frequencies in point 3 of Part B increased, where any of the following conditions is fulfilled:

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

(a) the list of parameters or frequencies set out in this Annex is not sufficient to fulfil the obligations imposed under Article 7(1);
(b) additional monitoring is required for the purposes of Article 7(6);
(c) it is necessary to provide the necessary assurances set out in point (1)(a) of Part A.

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Source: https://www.legislation.gov.uk/eudr/1998/83/annex/II/part/C/division/4 (the official version)
Page: https://openlegislation.uk/eu-directive-1998-83/annex-II/part-C/division-4
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.