# The Air Quality Standards Regulations 2010, Paragraph 1


Sampling points directed at the protection of human health must be sited to provide data on—
(a) the areas within zones where the highest concentrations occur to which the population is likely to be directly or indirectly exposed for a period which is significant in relation to the averaging period of any limit value; and
(b) levels in other areas within the zones which are representative of the exposure of the general population.

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Source: https://www.legislation.gov.uk/uksi/2010/1001/schedule/1/part/2/paragraph/1 (the official version)
Page: https://openlegislation.uk/air-quality-standards-regulations-2010/schedule-1/part-2/paragraph-1
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.