Directive 2008/50/EC of the European Parliament and of the CouncilShow full title

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

[F18. Reference method for measurement of ozone U.K.

The reference method for the measurement of ozone is that described in EN 14625:2012 Ambient air — Standard method for the measurement of the concentration of ozone by ultraviolet photometry .]