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  • Title: Nitrosamine measurements in ambient air of an industrial area in Austria.
    Author: Spiegelhalder B, Preussmann R.
    Journal: IARC Sci Publ; 1987; (84):411-4. PubMed ID: 3679411.
    Abstract:
    The area of Linz (Oberösterreich) is the most heavily polluted region in Austria, due to its chemical and steel industry. In 1981, a survey of volatile nitrosamines in ambient air performed by a local laboratory revealed levels of up to 5.45 micrograms/m3. This instigated the setting up of a systematic nitrosamine monitoring programme from February 1983 to May 1984, during which the validity of the analytical procedures was determined. A total of 363 air samples was collected over 200 days at 16 different locations in and around Linz. About 6% of the samples showed low nitrosamine contamination, with levels between 0.01 and 0.04 microgram/m3 of N-nitrosodimethylamine (NDMA), N-nitrosodiethylamine (NDEA), and N-nitrosomorpholine (NMOR). The lower limit of detection was 0.005 microgram/m3. It was not possible to confirm these low concentrations by high-resolution mass spectrometry. In some samples, thermal energy analyser-responsive material was observed, which may be due to the occurrence of C-nitro compounds.
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