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Title: Selected Persistent Organic Pollutants in Ambient Air in Turkey: Regional Sources and Controlling Factors
Authors: Güngörmüş, Elif
Sofuoğlu, Aysun
Çelik, Halil
Gedik, Kadir
Mulder, Marie D.
Lammel, Gerhard
Kurt, Perihan Binnur Karakuş
Keywords: polychlorinated biphenyls (PCBs)
polybrominated diphenyl ethers (PBDEs)
organochlorine pesticides (OCPs)
active sampling
particle dispersion modeling
Issue Date: 2021
Publisher: Amer Chemical Soc
Abstract: As a result of its unique location, Turkey receives air masses from Europe, Russia, Middle East, and Africa, making it an important place in terms of long-range atmospheric transport (LRT) of contaminants. Atmospheric levels of 22 organochlorine pesticides (OCPs), 45 polychlorinated biphenyls (PCBs), and 14 polybrominated diphenyl ethers (PBDEs) were measured in two metropolitan cities, Istanbul and Izmir, on a weekly basis from May 2014 to May 2015. Dichlorodiphenyltrichloroethane (DDT) and its derivatives were dominant OCP species, followed by isomers of hexachlorocyclohexane (HCH) at both sites. The annual mean concentration of Sigma DDX (sum of o,p'-DDT, p,p'-DDT, o,p'-DDD, p,p'-DDD, o,p'-DDE, and p,p'-DDE) was 82 pg/m(3) for Istanbul and 89 pg/m(3) for Izmir, while these levels were about 46 pg/m(3) for Sigma HCHs (sum of alpha-, beta-, gamma-, and delta-HCH) at both of the sites. At both stations, tri- and tetra-PCBs and tetra- and penta-PBDEs were dominant congeners. The temperature dependence indicates that both LRT and local contaminated areas contribute to the elevated levels. A Lagrangian particle dispersion model (FLEXPART) showed a few potential source regions in northern Africa and Middle East, southern-southwestern and eastern Europe including Russia, as well as from local domestic metropolitan areas.
ISSN: 0013-936X
Appears in Collections:PubMed İndeksli Yayınlar Koleksiyonu
Scopus İndeksli Yayınlar Koleksiyonu
Ulaştırma Meslek Yüksekokulu Yayın Koleksiyonu
WoS İndeksli Yayınlar Koleksiyonu

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