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Occurrence and spatial distribution of neutral perfluoroalkyl substances and cyclic volatile methylsiloxanes in the atmosphere of the Tibetan Plateau
Wang, XP (Wang, Xiaoping)1,2; Schuster, J (Schuster, Jasmin)3,4); Jones, KC (Jones, Kevin C.)4; Gong, P (Gong, Ping)1,2
Source PublicationATMOSPHERIC CHEMISTRY AND PHYSICS
2018-06-21
Volume18Issue:12Pages:8745-8755
DOI10.5194/acp-18-8745-2018
AbstractDue to their properties of bioaccumulation, toxicity, and long-range atmospheric transport, polyfluoroalkyl and perfluoroalkyl substances (PFASs) and cyclic volatile methylsiloxanes (cVMSs) are currently being considered as emerging persistent organic pollutants (POPs) for regulation. To date, there are limited data on PFASs and cVMSs in the atmosphere of the Tibetan Plateau (TP), a remote environment which can provide information on global background conditions. Sorbent-impregnated polyurethane foam (SIP) disc passive air samplers were therefore deployed for 3 months (May to July 2011 and 2013) at 16 locations across the TP. Using previously reported methods for estimating the air volume sampled by SIP discs, the derived atmospheric concentrations ranged as follows: 18-565 ng m(-3) for Sigma cVMS (including D3, D4, D5, and D6); 65-223 pg m(-3) for fluorotelomer alcohols (Sigma FTOHs); 1.2-12.8 pg m(-3) for fluorinated sulfonamides (Sigma FOSA); and 0.29-1.02 pg m(-3) for fluorinated sulfonamidoethanols (Sigma FOSE). The highest Sigma cVMS occurred at Lhasa, the capital city of the TP, indicating the local contribution to the emerging pollutants. Higher levels of Sigma FTOHs were observed at sites close to the transport channel of the Yarlung Tsangpo Grand Canyon, indicating possible long-range atmospheric transport (LRAT). Elevated concentrations of shorter-chain volatile PFAS precursors (4 : 2 FTOH and fluorobutane sulfonamidoethanol) were found in most air samples, reflecting the shift in production from long-to short-chain PFASs in Asia. Overall, concentrations of emerging POPs at background sites of the TP were 1-3 orders of magnitude higher than those reported for legacy POPs.
WOS IDWOS:000435929400003
Language英语
Indexed BySCIE
KeywordPERSISTENT ORGANIC POLLUTANTS POLYURETHANE FOAM DISK PASSIVE AIR SAMPLERS METHYL SILOXANES GAS-PHASE POLYFLUOROALKYL SUBSTANCES POLYCHLORINATED-BIPHENYLS ORGANOCHLORINE PESTICIDES PERFLUORINATED COMPOUNDS ULTRAVIOLET-RADIATION
WOS Research AreaMeteorology & Atmospheric Sciences
WOS SubjectMeteorology & Atmospheric Sciences
Cooperation Status国际
ISSN1680-7316
Department环境变化与地表过程重点实验室
PublisherCOPERNICUS GESELLSCHAFT MBH
Citation statistics
Cited Times:16[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itpcas.ac.cn/handle/131C11/8622
Collection图书馆
Affiliation1.Chinese Acad Sci, Inst Tibetan Plateau Res, Key Lab Tibetan Environm Changes & Land Surface P, Beijing 100101, Peoples R China;
2.CAS Ctr Excellence Tibetan Plateau Earth Sci, Beijing 100101, Peoples R China;
3.Environm & Climate Change Canada, Air Qual Proc Res Sect, 4905 Dufferin St, Toronto, ON M3H 5T4, Canada;
4.[Schuster, Jasmin; Jones, Kevin C.] Univ Lancaster, Lancaster Environm Ctr, Lancaster LA1 4YQ, England.
Recommended Citation
GB/T 7714
Wang, XP ,Schuster, J ,Jones, KC ,et al. Occurrence and spatial distribution of neutral perfluoroalkyl substances and cyclic volatile methylsiloxanes in the atmosphere of the Tibetan Plateau[J]. ATMOSPHERIC CHEMISTRY AND PHYSICS,2018,18(12):8745-8755.
APA Wang, XP ,Schuster, J ,Jones, KC ,&Gong, P .(2018).Occurrence and spatial distribution of neutral perfluoroalkyl substances and cyclic volatile methylsiloxanes in the atmosphere of the Tibetan Plateau.ATMOSPHERIC CHEMISTRY AND PHYSICS,18(12),8745-8755.
MLA Wang, XP ,et al."Occurrence and spatial distribution of neutral perfluoroalkyl substances and cyclic volatile methylsiloxanes in the atmosphere of the Tibetan Plateau".ATMOSPHERIC CHEMISTRY AND PHYSICS 18.12(2018):8745-8755.
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