# The Water Framework Directive (Classification, Priority Substances and Shellfish Waters) Regulations (Northern Ireland) 2015, Regulation 14


The Department must carry out monitoring under regulation 13(1) in sediment and/or biota so as to provide sufficient data for a reliable long-term trend analysis. The monitoring should take place every three years, unless the Department's technical knowledge and expert judgement justify another interval.

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Source: https://www.legislation.gov.uk/nisr/2015/351/regulation/14 (the official version)
Page: https://openlegislation.uk/water-framework-directive-classification-priority-substances-and-shellfish-waters-regulations-northern-ireland-2015/regulation-14
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.