# Surface Waters (Dangerous Substances) (Classification) Regulations (Northern Ireland) 1998, Schedule 4: Criteria for Classification DS4




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Source: https://www.legislation.gov.uk/nisr/1998/397/schedule/4 (the official version)
Page: https://openlegislation.uk/surface-waters-dangerous-substances-classification-regulations-northern-ireland-1998/schedule-4
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.