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Organophosphate esters flame retardants in the indoor environment

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VYKOUKALOVÁ Martina VENIER Marta VOJTA Šimon MELYMUK Lisa Emily BEČANOVÁ Jitka ROMANAK Kevin PROKEŠ Roman OKEME Joseph O. SAINI Amandeep DIAMOND Miriam L. KLÁNOVÁ Jana

Rok publikování 2017
Druh Článek v odborném periodiku
Časopis / Zdroj Environment International
Fakulta / Pracoviště MU

Přírodovědecká fakulta

Citace
www https://www.sciencedirect.com/science/article/pii/S0160412017302003?via%3Dihub
Doi http://dx.doi.org/10.1016/j.envint.2017.05.020
Klíčová slova Organophosphate esters (OPEs); Indoor Environment; Human Exposure; Air Concentration; Indoor Dust; Window Film
Popis Concentrations of 13 organophosphate ester flame retardants (OPEs) were measured in air, dust and window wipes from 63 homes in Canada, the Czech Republic and the United States in the spring and summer of 2013 to look for abundances, differences among regions, and partitioning behavior. In general, we observed the highest concentrations for halogenated OPEs, particularly TCEP, TCIPP and TDCIPP, and also non-halogenated TPHP. Differences between regions strongly depended on the matrix. The concentrations of OPEs in dust were significantly higher in the US than in Canada (CAN) and Czech Republic (CZ). CZ had the highest concentrations in window film and CAN in air. SOPE concentrations were 2-3 and 1-2 orders of magnitude greater than SBFRs in air, and dust and window films, respectively. We found a significant relationship between the concentrations in dust and air, and between the concentrations in window film and air for OPEs with log K-OA values< 12, suggesting that equilibrium was reached for these compounds but not for those with log K-OA >12. This hypothesis was confirmed by a large discrepancy between values predicted using a partitioning model and the measured values for OPEs with log K-OA values>12.
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