Perfluorinated alkyl substances (PFASs) in household dust in Central Europe and North America.
作者： Pavlína Karásková , Marta Venier , Lisa Melymuk , Jitka Bečanová , Šimon Vojta
DOI: 10.1016/J.ENVINT.2016.05.031
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摘要: Abstract Concentrations of 20 perfluorinated alkyl substances (PFASs) were measured in dust samples from 41 homes Canada, the Czech Republic, and United States spring-summer 2013. The most frequently detected compounds perfluorohexanoic acid (PFHxA) perfluorooctane sulfonate (PFOS). PFOS perfluorooctanoic (PFOA) had highest concentrations PFASs all countries. median for three countries between 9.1 14.1 ng/g, PFOA medians ranged 8.2 9.3 ng/g. In general, North America higher than which is consistent with usage patterns. No differences found sulfonamides/sulfonamidoethanols (FOSA/Es) levels due to low number detections. Homologue profiles suggest that shift longer shorter chain more advanced Europe. Significant relationships among individual homologues PFAS type floor, people living house, building age.
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