# The Air Quality Standards Regulations 2007 (revoked), Schedule 9: Reference methods

Status: repealed



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Source: https://www.legislation.gov.uk/uksi/2007/64/schedule/9 (the official version)
Page: https://openlegislation.uk/air-quality-standards-regulations-2007-revoked/schedule-9
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.