# The Air Quality Standards (Wales) Regulations 2007, Paragraph 16: Documentation and review of site selection


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/wsi/2007/717/schedule/5/paragraph/16 (the official version)
Page: https://openlegislation.uk/air-quality-standards-wales-regulations-2007/schedule-5/paragraph-16
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.