http://www.legislation.gov.uk/nisr/2011/10/regulation/3The Water Framework Directive (Priority Substances and Classification) Regulations (Northern Ireland) 2011 (revoked)PollutionenENVIRONMENTAL PROTECTIONStatute Law Database2024-05-15Expert Participation2015-10-23. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Typology and Environmental StandardsF13. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .