Pine Needles for the Screening of Perfluorinated Alkylated Substances (PFASs) along Ski Tracks

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Authors

CHROPEŇOVÁ Mária KARÁSKOVÁ Pavlína KALLENBORN Roland Peter KLEMMOVÁ GREGUŠKOVÁ Eva ČUPR Pavel

Year of publication 2016
Type Article in Periodical
Magazine / Source ENVIRONMENTAL SCIENCE & TECHNOLOGY
MU Faculty or unit

Faculty of Science

Citation
Web http://pubs.acs.org/doi/abs/10.1021/acs.est.6b02264
Doi http://dx.doi.org/10.1021/acs.est.6b02264
Field Environment influence on health
Keywords PERSISTENT ORGANIC POLLUTANTS; SEMIFLUORINATED N-ALKANES; PERFLUOROALKYL SUBSTANCES; SPATIAL-DISTRIBUTION; SOIL SAMPLES; ENVIRONMENT; CHEMICALS; WATER; BIOINDICATORS; ACCUMULATION
Description Perfluorinated alkylated substances (PFASs) are today considered persistent, toxic, and bioaccumulative contaminants. Perfluorooctansulfonate (PFOS) and perfluorooctanoic acid (PFOA) are currently listed as priority substances under the UNEP global convention for the regulation of POPs. A previous study reported higher levels of PFASs in pine needles near ski areas. Their application as stain repellents in modern outdoor clothes and in ski waxes is assumed to be a potential source. Pine trees (Pinus mugo in Slovakia and Pinus sylvestris in Norway) were chosen for sampling in ski resorts. Relative distributions, overall concentrations, trend estimates, elevation patterns, and distance from primary sources were assessed. PFOA was the predominant PFAS constituent in pine needles from Slovakia (8-93%). In Norway, the most-abundant PFAS was perfluorobutanoic acid (PFBA: 3-66%). A difference in product composition (particularly in ski waxes) and differences in Norwegian and Slovakian regulations are considered to be the primary reason for these differences. Open application of PFOA in industry and products has been banned in Norway since 2011. The replacement of PFOA with short-chain substitutes is thus considered the reason for the observed pattern differences in the analyzed pine needles. Regular monitoring and screening programs are recommended.
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