anx_VI__para__17
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 · European Union
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’.
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Source: EUR-Lex CELLAR · retrieved 2026-08-09 · Text as consolidated on 2015-09-18; changes after this date are not shown.