# 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 5: Reference method for the sampling and measurement of PM 2,5

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

The reference method for the sampling and measurement of PM 2,5 is that described in EN12341:2014 ‘Ambient Air — standard gravimetric measurement method for the determination of the PM 10 or PM 2,5 mass concentration of suspended particulate matter’

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Source: https://www.legislation.gov.uk/eudr/2008/50/annex/VI/division/A/division/5 (the official version)
Page: https://openlegislation.uk/eu-directive-2008-50/annex-VI/division-A/division-5
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.