# The Air Quality Standards Regulations 2010, Regulation 12: Data quality objectives


When assessing levels of arsenic, cadmium, nickel, benzo(a)pyrene, other polycyclic aromatic hydrocarbons or gaseous mercury, the Secretary of State must apply the data quality objectives and other standards contained in Annex IV to Directive 2004/107/EC.

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Source: https://www.legislation.gov.uk/uksi/2010/1001/regulation/12 (the official version)
Page: https://openlegislation.uk/air-quality-standards-regulations-2010/regulation-12
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.