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@article{1549001,
author = {Boucher, Justin M. and Cousins, Ian T. and Scheringer, Martin and Hungerbuhler, Konrad and Wang, Zhanyun},
article_location = {WASHINGTON},
article_number = {1},
doi = {http://dx.doi.org/10.1021/acs.estlett.8b00531},
keywords = {PERSISTENT ORGANIC POLLUTANTS; LONG-RANGE TRANSPORT; POLYFLUOROALKYL SUBSTANCES; PERFLUOROALKYL ACIDS; ATLANTIC; FATE; PFOS; PFAAS; SERUM; WATER},
language = {eng},
issn = {2328-8930},
journal = {ENVIRONMENTAL SCIENCE & TECHNOLOGY LETTERS},
title = {Toward a Comprehensive Global Emission Inventory of C-4-C-10 Perfluoroalkanesulfonic Acids (PFSAs) and Related Precursors: Focus on the Life Cycle of C-6- and C-10-Based Products},
url = {https://pubs.acs.org/doi/10.1021/acs.estlett.8b00531},
volume = {6},
year = {2019}
}
TY - JOUR
ID - 1549001
AU - Boucher, Justin M. - Cousins, Ian T. - Scheringer, Martin - Hungerbuhler, Konrad - Wang, Zhanyun
PY - 2019
TI - Toward a Comprehensive Global Emission Inventory of C-4-C-10 Perfluoroalkanesulfonic Acids (PFSAs) and Related Precursors: Focus on the Life Cycle of C-6- and C-10-Based Products
JF - ENVIRONMENTAL SCIENCE & TECHNOLOGY LETTERS
VL - 6
IS - 1
SP - 1-7
EP - 1-7
PB - AMER CHEMICAL SOC
SN - 23288930
KW - PERSISTENT ORGANIC POLLUTANTS
KW - LONG-RANGE TRANSPORT
KW - POLYFLUOROALKYL SUBSTANCES
KW - PERFLUOROALKYL ACIDS
KW - ATLANTIC
KW - FATE
KW - PFOS
KW - PFAAS
KW - SERUM
KW - WATER
UR - https://pubs.acs.org/doi/10.1021/acs.estlett.8b00531
L2 - https://pubs.acs.org/doi/10.1021/acs.estlett.8b00531
N2 - A first global emission inventory of C-4-C-10 perfluoroalkanesulfonic acids (PFSAs) released during the life cycle of perfluorohexanesulfonyl fluoride (PHxSF)- and perfluorodecanesulfonyl fluoride (PDSF)-based products is presented. This study complements previous research on emissions of PFSAs that focused largely on the life cycle of perfluorooctanesulfonyl fluoride (POSF) and its derivatives. It reviews and integrates existing information about the life cycle of PHxSF, PDSF, and their derivatives; the limited data available in the public domain point to potentially significant global production, uses, and releases of these substances. Between 1958 and 2015, ranges of total emissions of perfluorohexanesulfonic acid (PFHxS) and perfluorodecanesulfonic acid (PFDS) are estimated to be 120-1022 and 38-378 metric tons, respectively. With the new emission estimates as inputs in a global multimedia environmental fate model (CliMoChem), the model-derived environmental concentrations well capture the reported field concentrations, providing strong support for the plausibility of the developed emission inventories. The results highlight the ongoing environmental exposure to these substances and the need for more detailed data in the public domain about their production levels and uses.
ER -
BOUCHER, Justin M., Ian T. COUSINS, Martin SCHERINGER, Konrad HUNGERBUHLER and Zhanyun WANG. Toward a Comprehensive Global Emission Inventory of C-4-C-10 Perfluoroalkanesulfonic Acids (PFSAs) and Related Precursors: Focus on the Life Cycle of C-6- and C-10-Based Products. \textit{ENVIRONMENTAL SCIENCE \&{}amp; TECHNOLOGY LETTERS}. WASHINGTON: AMER CHEMICAL SOC, 2019, vol.~6, No~1, p.~1-7. ISSN~2328-8930. Available from: https://dx.doi.org/10.1021/acs.estlett.8b00531.
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