# The Air Quality Standards (Wales) Regulations 2007, Paragraph 1


This Part sets out the minimum number of sampling points for fixed measurement of Group A pollutants to assess compliance with limit values for the protection of human health and alert thresholds in zones where fixed measurement is the sole source of information.

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Source: https://www.legislation.gov.uk/wsi/2007/717/schedule/6/part/1/paragraph/1n1 (the official version)
Page: https://openlegislation.uk/air-quality-standards-wales-regulations-2007/schedule-6/part-1/paragraph-1n1
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.