# Directive 2008/50/EC of the European Parliament and of the Council of 21 May 2008 on ambient air quality and cleaner air for Europe, Article 11: Reference measurement methods

Extent: E+W+S+N.I.

1. Member States shall apply the reference method for measurement of ozone, set out in point 8 of Section A of Annex VI. Other measuring methods may be used subject to the conditions set out in Section B of Annex VI.
2. Each Member State shall inform the Commission of the methods it uses to sample and measure VOC, as listed in Annex X.

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Source: https://www.legislation.gov.uk/eudr/2008/50/article/11 (the official version)
Page: https://openlegislation.uk/eu-directive-2008-50/article-11
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.