Perfluorinated alkyl substances (PFASs) in household dust in Central Europe and North America

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Authors

KARÁSKOVÁ Pavlína VENIER Marta MELYMUK Lisa Emily BEČANOVÁ Jitka VOJTA Šimon PROKEŠ Roman DIAMOND Miriam L. KLÁNOVÁ Jana

Year of publication 2016
Type Article in Periodical
Magazine / Source Environment International
MU Faculty or unit

Faculty of Science

Citation
Web http://www.sciencedirect.com/science/article/pii/S016041201630215X
Doi http://dx.doi.org/10.1016/j.envint.2016.05.031
Field Environment influence on health
Keywords Perfluorinated compounds; PFASs; House dust; Indoor environment
Description Concentrations of 20 perfluorinated alkyl substances (PFASs) were measured in dust samples from 41 homes in Canada, the Czech Republic, and United States in the spring-summer of 2013. The most frequently detected compounds were perfluorohexanoic acid (PFHxA) and perfluorooctane sulfonate (PFOS). PFOS and perfluorooctanoic acid (PFOA) had the highest concentrations of PFASs in all countries. PFOS median concentrations for the three countries were between 9.1 and 14.1 ng/g, and PFOA medians ranged between 82 and 93 ng/g. In general, concentrations in North America were higher than in the Czech Republic, which is consistent with usage patterns. No differences were found for perfluorooctane sulfonamides/sulfonamidoethanols (FOSA/Es) levels due to the low number of detections. Homologue profiles suggest that the shift from longer to shorter chain PFASs is more advanced in North America than in Europe. Significant relationships were found among individual homologues and between PFAS concentrations in dust and type of floor, number of people living in the house, and building age.
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