# Clean Air (Northern Ireland) Order 1981, Chapter: Height of chimneys




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Source: https://www.legislation.gov.uk/nisi/1981/158/part/chapter/5 (the official version)
Page: https://openlegislation.uk/clean-air-northern-ireland-order-1981/part/chapter-5
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.