# The Water Framework Directive (Priority Substances and Classification) Regulations (Northern Ireland) 2011 (revoked), Regulation 4: Environmental standards for priority substances, Intermittent Discharge Standards and standards for Shellfish Waters

Status: repealed

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Source: https://www.legislation.gov.uk/nisr/2011/10/regulation/4 (the official version)
Page: https://openlegislation.uk/water-framework-directive-priority-substances-and-classification-regulations-northern-ireland-2011-revoked/regulation-4
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.