Polybrominated diphenyl ethers and perfluorinated alkyl substances in blood serum of New Zealand adults, 2011–2013

A national survey was conducted in 2011–2013 to assess serum concentrations of brominated flame retardants (BFRs) and perfluorinated alkyl substances (PFASs) in adult New Zealanders. Participants were randomly selected from the 2010 Electoral Roll within 64 demographic strata according to 4 age grou...

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Veröffentlicht in:Chemosphere (Oxford) 2018-10, Vol.208, p.382-389
Hauptverfasser: Coakley, J., Bridgen, P., Mueller, J., Douwes, J., 't Mannetje, A.
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Mueller, J.
Douwes, J.
't Mannetje, A.
description A national survey was conducted in 2011–2013 to assess serum concentrations of brominated flame retardants (BFRs) and perfluorinated alkyl substances (PFASs) in adult New Zealanders. Participants were randomly selected from the 2010 Electoral Roll within 64 demographic strata according to 4 age groups, 4 geographic regions, 2 ethnic groups (Māori/non-Māori) and sex. Eligible participants (n = 734; response rate of contacted individuals = 37%) donated up to 30 mL of blood, after which serum was pooled (49 pools for BFRs, 63 pools for PFASs) according to demographic strata. BFRs were analysed by GC-HRMS and PFASs by LC-MS/MS. Associations between serum BFRs and PFASs and demographic variables (age, region, ethnicity, sex) were assessed using regression analysis. The weighted geometric mean (GM) serum concentrations of BDE47, BDE99, BDE100, and BDE153 were 2.0, 0.66, 0.43, and 1.2 ng/g lipid, respectively. The weighted geometric mean (GM) serum concentrations of PFOS, PFOA, PFHxS, and PFNA were 3.4, 2.4, 1.0, and 0.66 ng/mL, respectively. The majority of BFRs showed higher serum concentrations in younger age groups. Conversely, the four PFASs showed higher serum concentrations in older age groups. Concentrations of BFRs and PFASs were generally lower in females compared to males. In New Zealand, both age and sex are important determinants of BFR and PFAS serum concentrations. •This is the first New Zealand survey of brominated flame retardants (BFRs) and perfluorinated alkyl substances (PFASs).•BFRs and PFASs were measured in pooled serum samples from 734 adult New Zealanders.•20 BFRs and 4 PFASs were detected in at least 50% of the pooled serum samples.•In agreement with previous studies, age is an important determinant of BFRs and PFASs.•Gender is a determinant of BFRs and PFAS in the study population.
doi_str_mv 10.1016/j.chemosphere.2018.05.191
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subjects Biological monitoring
Brominated flame retardant
Human serum
Perfluorinated compound
Perfluoroalkyl substance
Persistent organic pollutant
Polybrominated diphenyl ether
title Polybrominated diphenyl ethers and perfluorinated alkyl substances in blood serum of New Zealand adults, 2011–2013
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