# The Bathing Waters (Classification) Regulations 1991, Paragraph 4


The methods of analysis and inspection specified in Schedule 3, or methods which are at least as reliable, must be used for determining whether the parametric values specified in that Schedule are met.

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Source: https://www.legislation.gov.uk/uksi/1991/1597/schedule/2/paragraph/4 (the official version)
Page: https://openlegislation.uk/bathing-waters-classification-regulations-1991/schedule-2/paragraph-4
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.