# 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, Division 2: Reference method for the measurement of nitrogen dioxide and oxides of nitrogen

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

The reference method for the measurement of nitrogen dioxide and oxides of nitrogen is that described in EN 14211:2012 ‘ Ambient air — Standard method for the measurement of the concentration of nitrogen dioxide and nitrogen monoxide by chemiluminescence ’ .

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Source: https://www.legislation.gov.uk/eudr/2008/50/annex/VI/division/A/division/2 (the official version)
Page: https://openlegislation.uk/eu-directive-2008-50/annex-VI/division-A/division-2
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.