-forurenende luftarter- carbonmonoxid, carbonhydrider (i forholdet Ci Hi 85) og nitrogenoxider, idet de sidste udtrykkes i nitrogendioxid (N02)-ækvivalenter
'gaseous pollutants' means: carbon monoxide, hydrocarbons (assuming a ratio of Ci H185) and oxides of nitrogen, the last-named being expressed in nitrogen dioxide (NO2) equivalent;