# The Air Quality Limit Values (Scotland) Regulations 2001, Paragraph


The site-selection procedures should be fully documented at the classification stage by such means as compass-point photographs of the surrounding area and a detailed map. Sites should be reviewed at regular intervals with repeated documentation to ensure that selection criteria remain valid over time.

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Source: https://www.legislation.gov.uk/ssi/2001/224/schedule/3/part/III/paragraph/wrapper9n1 (the official version)
Page: https://openlegislation.uk/air-quality-limit-values-scotland-regulations-2001/schedule-3/part-III/paragraph-wrapper9n1
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.