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Measuring exposure of e-waste dismantlers in Dhaka Bangladesh to organophosphate esters and halogenated flame retardants using silicone wristbands and T-shirts by Wang, Yan; Peris, Andrea; Rifat, Mohammad Rashidujjaman; Ahmed, Syed Ishtiaque; Aich, Nirupam; Nguyen, Linh V.; Urík, Jakub; Eljarrat, Ethel; Vrana, Branislav; Jantunen, Liisa M.; Diamond, Miriam L. is a Environmental Science article available to read on EtoBox.

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Silicone (polydimethylsiloxane or PDMS) wristbands and cotton T-shirts were used to assess the exposure of e-waste recyclers in Dhaka, Bangladesh to polybrominated diphenyl ethers (PBDEs), novel brominated flame retardants (NBFRs), dechlorane plus (DPs), and organophosphate esters (OPEs). The median surface-normalized uptake rates of PBDEs, NBFRs, DPs, and OPEs were 170, 8.5, 4.8, and 270 ng/dm/h for wristbands and 5.4, 2.0, 0.94, and 23 ng/dm/h for T-shirts, respectively. Concentrations of Tris(2-chloroethyl) phosphate (TCEP), Tris(1,3-dichloro-2-propyl) phosphate (TDCIPP), Tri-m-cresyl phosphate (TmCP), Bis(2-ethlyhexyl) tetrabromophthalate (BEH-TEBP), and Dechlorane plus (DPs) in wristbands were significantly correlated with those in T-shirts. Wristbands accumulated ~7 times more mass than T-shirts, especially of compounds expected to be mainly in the gas phase. We introduce the silicone "sandwich" method to approximate the easily releasable fraction (ERF) from T-shirts, hypothesized to be related to dermal exposure. ERFs varied from 6 to 75% of total chemical accumulated by T-shirts and were significantly negatively correlated with compounds' octanol-air partition coefficient (

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Author

Wang, Yan; Peris, Andrea; Rifat, Mohammad Rashidujjaman; Ahmed, Syed Ishtiaque; Aich, Nirupam; Nguyen, Linh V.; Urík, Jakub; Eljarrat, Ethel; Vrana, Branislav; Jantunen, Liisa M.; Diamond, Miriam L.

Publisher

Elsevier Science; Elsevier ; Elsevier BV; Publons (ISSN 0048-9697)

Published

2020

Language

EN

Field

Environmental Science (Physical Sciences)