# The Air Quality Standards Regulations (Northern Ireland) 2010, Regulation 23: Duty in relation to critical levels for the protection of vegetation

Extent: N.I.

Northern Ireland departments shall ensure that the critical levels set out in Schedule 6 are not exceeded.

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Source: https://www.legislation.gov.uk/nisr/2010/188/regulation/23 (the official version)
Page: https://openlegislation.uk/air-quality-standards-regulations-northern-ireland-2010/regulation-23
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.