# The Air Quality Standards Regulations (Northern Ireland) 2010, Paragraph 4: Sampling points for the protection of human health

Extent: N.I.

Where the objective is to assess rural background levels, the sampling point shall not be influenced by agglomerations or industrial sites in its vicinity, i.e. closer than five kilometres.

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Source: https://www.legislation.gov.uk/nisr/2010/188/schedule/1/paragraph/4 (the official version)
Page: https://openlegislation.uk/air-quality-standards-regulations-northern-ireland-2010/schedule-1/paragraph-4
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.