Per- and polyfluoroalkyl substances (PFAS) in ski waxes and snow from cross-country skiing in Germany - Comparative study of target analysis and sum parameters

  • Per- and polyfluoroalkyl substances (PFAS) can enter the environment in different ways. Possible sources are PFAS containing consumer products. One common product that makes use of the material properties of PFAS is ski wax. Here, the PFAS ensure less frictional resistance, thus allows for increased speed. However, people who wax their ski with these waxes could absorb PFAS in their body, which can lead to health problems in the long term. Moreover, PFAS applied in ski wax abrade onto snow during use, which contaminates the environment. In our study, we analyzed various currently available ski waxes (2020s) and ski waxes from the 1980s with PFAS target analysis and with the sum parameters extractable organically bound fluorine (EOF), hydrolysable organically bound fluorine (HOF) and total fluorine (TF). Moreover, snow samples from the long-distance cross-country ski trail “Kammloipe” in the Ore mountains in Germany where sampled and analyzed with PFAS target analysis and the adsorbablePer- and polyfluoroalkyl substances (PFAS) can enter the environment in different ways. Possible sources are PFAS containing consumer products. One common product that makes use of the material properties of PFAS is ski wax. Here, the PFAS ensure less frictional resistance, thus allows for increased speed. However, people who wax their ski with these waxes could absorb PFAS in their body, which can lead to health problems in the long term. Moreover, PFAS applied in ski wax abrade onto snow during use, which contaminates the environment. In our study, we analyzed various currently available ski waxes (2020s) and ski waxes from the 1980s with PFAS target analysis and with the sum parameters extractable organically bound fluorine (EOF), hydrolysable organically bound fluorine (HOF) and total fluorine (TF). Moreover, snow samples from the long-distance cross-country ski trail “Kammloipe” in the Ore mountains in Germany where sampled and analyzed with PFAS target analysis and the adsorbable organically bound fluorine (AOF) sum parameter to document the entry of PFAS from ski waxes into the environment. In opposite to the ski waxes from the 1980s much more ski waxes from the 2020s contain high (total) fluorine values. The highly fluorinated ski waxes contain up to approx. 6% of fluorine. The EOF and HOF sum parameters of the ski waxes are strongly decreased in comparison to the TF values (max. approx. 1000 mg/kg = 0.1%). But even the PFAS-free labeled ski waxes have EOF/HOF values in the low mg/kg range. In the snow samples from different spots of the ski trail, both the AOF sum parameter and the PFAS target analysis identified PFAS. Moreover, on a PFAS hotspot also soil samples were analyzed, which indicate that PFAS from the ski waxes adsorb after snow melting into the soil. Thus, our results show that the use of ski waxes is a possible contribution to the environmental contamination of PFAS, which is hopefully drastically reduced with the ban on fluorinated waxes by the International Ski and Snowboard Federation (FIS).zeige mehrzeige weniger

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Autor*innen:Christian Vogel
Koautor*innen:Peter Leube, Philipp Roesch, Philipp Wittwer, Thomas Sommerfeld, Maren Riedel, Ute KalbeORCiD, Ute Schoknecht, Franz-Georg Simon
Dokumenttyp:Posterpräsentation
Veröffentlichungsform:Präsentation
Sprache:Englisch
Jahr der Erstveröffentlichung:2025
Organisationseinheit der BAM:1 Analytische Chemie; Referenzmaterialien
1 Analytische Chemie; Referenzmaterialien / 1.7 Organische Spuren- und Lebensmittelanalytik
4 Material und Umwelt
4 Material und Umwelt / 4.4 Thermochemische Reststoffbehandlung und Wertstoffrückgewinnung
DDC-Klassifikation:Naturwissenschaften und Mathematik / Chemie / Analytische Chemie
Technik, Medizin, angewandte Wissenschaften / Ingenieurwissenschaften / Sanitär- und Kommunaltechnik; Umwelttechnik
Freie Schlagwörter:Contaminated Soil; Per- and polyfluoroalkyl substances (PFAS); Ski wax
Themenfelder/Aktivitätsfelder der BAM:Chemie und Prozesstechnik
Chemie und Prozesstechnik / Chemische Charakterisierung und Spurenanalytik
Chemie und Prozesstechnik / Gefährliche Stoffe
Umwelt
Umwelt / Umwelt-Material-Interaktionen
Veranstaltung:SETAC Europe
Veranstaltungsort:Vienna, Austria
Beginndatum der Veranstaltung:11.05.2025
Enddatum der Veranstaltung:15.05.2025
Verfügbarkeit des Dokuments:Datei im Netzwerk der BAM verfügbar ("Closed Access")
Datum der Freischaltung:15.05.2025
Referierte Publikation:Nein
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