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@article{1372499, author = {Suhring, Roxana and Diamond, Miriam L. and Scheringer, Martin and Wong, Fiona and Pucko, Monika and Stern, Gary and Burt, Alexis and Hung, Hayley and Fellin, Philip and Li, Henrik and Jantunen, Liisa M.}, article_location = {WASHINGTON}, article_number = {14}, doi = {http://dx.doi.org/10.1021/acs.est.6b00365}, keywords = {BROMINATED FLAME RETARDANTS; SURFACE WATERS; PLASTICIZERS; PESTICIDES; ATMOSPHERE; CHEMICALS; EXPOSURE; OCEAN; FATE; ORGANOCHLORINE}, language = {eng}, issn = {0013-936X}, journal = {ENVIRONMENTAL SCIENCE & TECHNOLOGY}, title = {Organophosphate Esters in Canadian Arctic Air: Occurrence, Levels and Trends}, url = {http://pubs.acs.org/doi/abs/10.1021/acs.est.6b00365}, volume = {50}, year = {2016} }
TY - JOUR ID - 1372499 AU - Suhring, Roxana - Diamond, Miriam L. - Scheringer, Martin - Wong, Fiona - Pucko, Monika - Stern, Gary - Burt, Alexis - Hung, Hayley - Fellin, Philip - Li, Henrik - Jantunen, Liisa M. PY - 2016 TI - Organophosphate Esters in Canadian Arctic Air: Occurrence, Levels and Trends JF - ENVIRONMENTAL SCIENCE & TECHNOLOGY VL - 50 IS - 14 SP - 7409-7415 EP - 7409-7415 PB - AMER CHEMICAL SOC SN - 0013936X KW - BROMINATED FLAME RETARDANTS KW - SURFACE WATERS KW - PLASTICIZERS KW - PESTICIDES KW - ATMOSPHERE KW - CHEMICALS KW - EXPOSURE KW - OCEAN KW - FATE KW - ORGANOCHLORINE UR - http://pubs.acs.org/doi/abs/10.1021/acs.est.6b00365 L2 - http://pubs.acs.org/doi/abs/10.1021/acs.est.6b00365 N2 - Fourteen organophosphate esters (OPEs) were measured in the filter fraction of 117 active air samples from yearly ship-based sampling campaigns (2007-2013) and two land-based stations in the Canadian Arctic, to assess trends and long-range transport potential of OPEs. Four OPE's were detected in up to 97% of the samples, seven in 50% or less of the samples, and three were not detected. Median concentrations of Sigma OPEs were 237 and 50 pg m(-3) for ship- and land-based samples, respectively. Individual median concentrations ranged from below detection to 119 pg m(-3) for ethanol, 2-chloro-, phosphate (3:1) (TCEP). High concentrations of up to 2340 pg m(-3) were observed for Tri-n-butyl phosphate (TnBP) at a land-based sampling location in Resolute Bay from 2012, whereas it was only detected in one ship-based sample at a concentration below 100 pg m(-3). Concentrations of halogenated OPEs seemed to be driven by river discharge from the Nelson and Churchill Rivers (Manitoba) and Churchill River and Lake Melville (Newfoundland and Labrador). In contrast, nonhalogenated OPE concentrations appeared to have diffuse sources or local sources close to the land-based sampling stations. Triphenyl phosphate (TPhP) showed an apparent temporal trend with a doubling-time of 11 months (p = 0.044). The results emphasize the increasing relevance of halogenated and nonhalogenated OPEs as contaminants in the Arctic. ER -
SUHRING, Roxana, Miriam L. DIAMOND, Martin SCHERINGER, Fiona WONG, Monika PUCKO, Gary STERN, Alexis BURT, Hayley HUNG, Philip FELLIN, Henrik LI a Liisa M. JANTUNEN. Organophosphate Esters in Canadian Arctic Air: Occurrence, Levels and Trends. \textit{ENVIRONMENTAL SCIENCE \&{}amp; TECHNOLOGY}. WASHINGTON: AMER CHEMICAL SOC, 2016, roč.~50, č.~14, s.~7409-7415. ISSN~0013-936X. Dostupné z: https://dx.doi.org/10.1021/acs.est.6b00365.
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