# The Air Quality Standards Regulations (Northern Ireland) 2010, Paragraph 2: Sampling points for the protection of human health

Extent: N.I.

Sampling points shall in general be sited to avoid measuring very small micro-environments in their immediate vicinity. Where feasible, the Department shall locate sampling points so as to be representative of air quality in a street segment of no less than 100 m in length at traffic-orientated sites or an area of at least 250 m x 250 m at industrial sites.

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Source: https://www.legislation.gov.uk/nisr/2010/188/schedule/1/part/2/paragraph/2 (the official version)
Page: https://openlegislation.uk/air-quality-standards-regulations-northern-ireland-2010/schedule-1/part-2/paragraph-2
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.