title: [On the presence of 20-methylcholanthrene in the atmospheric air (author's transl)].
abstract: The strongly carcinogenic polycyclic aromatic hydrocarbon 20-Methylcholanthrene was detected in the urban atmospheric air in Budapest (the capital of Hungary). The main source of this pollution seems to be the motor vehicle traffic, since samples from a heavy traffic junction contained up to six times higher 20-Methylcholanthrene concentrations than samples from a low traffic area. Ultraviolet absorption spectrophotometry yielded similar results. The presence of 20-Methylcholanthrene is apparently connected with the presence of 3,4-Benzpyrene and 1,2-Benzpyrene, respectively.
mesh_terms: D000397:Air Pollution / Q000032:analysis*; D001580:Benzopyrenes / Q000032:analysis; D002851:Chromatography, High Pressure Liquid; D006814:Hungary; D008748:Methylcholanthrene / Q000032:analysis*; D013056:Spectrophotometry, Ultraviolet; D014507:Urbanization; D001335:Vehicle Emissions / Q000032:analysis
chemical_list: D001580:Benzopyrenes; D001335:Vehicle Emissions; D008748:Methylcholanthrene
vernacular_title: Uber das Vorhandensein des 20-Methylcholanthrens in der atmosphärischen Luft.