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Altitude profiles of total chlorinated paraffins in humus and spruce needles from the Alps (MONARPOP) |
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| Authors: | Saverio Iozza Peter Schmid Rodolfo Bassan Gert Jakobi Karl-Werner Schramm Wolfgang Moche Peter Weiss Wilhelm Knoth |
| Institution: | a Empa, Swiss Federal Laboratories for Materials Testing and Research, Laboratory for Analytical Chemistry, Überlandstrasse 129, CH-8600 Dübendorf, Switzerland b University of Basel, Department of Chemistry, St. Johanns-Ring 19, CH-4056 Basel, Switzerland c Regional Agency for Environmental Prevention and Protection of Veneto, Italy d Regional Agency for Environmental Protection of Lombardia, Italy e GSF-National Research Centre for Environment and Health, Germany f Swiss Federal Institute for Forest, Snow and Landscape Research, Switzerland g Federal Environment Agency Ltd., Austria h Slovenian Forestry Institute, Slovenia i Federal Environment Agency, Germany |
| Abstract: | Chlorinated paraffins (CPs) are toxic, bioaccumulative, persistent, and ubiquitously present in the environment. CPs were analyzed in humus and needle samples, which were taken within the Monitoring Network in the Alpine Region for Persistent and other Organic Pollutants (MONARPOP) at sampling sites of 7 different altitude profiles in the Alps. Gas chromatography combined with electron ionization tandem mass spectrometry (EI-MS/MS) was used for the determination of total CPs (sum of short, medium and long chain CPs). CPs were found in all samples; the concentrations varied between 7 and 199 ng g−1 dry weight (dw) and within 26 and 460 ng g−1 dw in humus and needle samples, respectively. A clear vertical tendency within the individual altitude profiles could not be ascertained. Within all altitude profiles, elevated concentrations were observed in humus samples taken between 700 and 900 m and between 1300 and 1500 m. In the needle samples no similar correlation could be observed due to higher variation of the data. |
| Keywords: | Polychlorinated n-alkanes Spruce needles Humus Total CPs EI-MS/MS |
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