Ambient Air Quality Directive, Annex X - Ozone Precursor Substances

EU. Ambient Air. Ozone Precursor Substances: Annex X, Section B, Directive 2008/50/EC, last amended by Directive 2015/1480/EU, 29 August 2015

The list contains ozone precursor substances, including nitrogen oxides (NO and NO2) and volatile organic compounds (VOC) that shall be measured to analyze any trend in ozone precursors, to check the efficiency of emission reduction strategies, to check the consistency of emission inventories and to help attribute emission sources to observed pollution concentrations.

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Last updated 23 November 2020. Database contains 34 unique substances/entries.
Substance Name EC No. CAS No. Group Notes
Nitrogen oxides

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