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Long-range atmospheric transport of PAHs, PCBs and PBDEs to the central and eastern Mediterranean and changes of PCB and PBDE congener patterns in summer 2010
Masaryk University, Research Centre for Toxic Compounds in the Environment, Brno, Czech Republic.
Max Planck Institute for Chemistry, Atmospheric Chemistry Dept., Mainz, Germany.ORCID iD: 0000-0002-8768-5027
Masaryk University, Research Centre for Toxic Compounds in the Environment, Brno, Czech Republic. (MTM)ORCID iD: 0000-0003-1733-8334
Masaryk University, Research Centre for Toxic Compounds in the Environment, Brno, Czech Republic.
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2015 (English)In: Atmospheric Environment, ISSN 1352-2310, E-ISSN 1873-2844, Vol. 111, 51-59 p.Article in journal (Refereed) Published
Resource type
Text
Abstract [en]

The central and eastern Mediterranean is a receptor area for persistent organic pollutants (POPs) emitted in western, central and eastern Europe, particularly during summer. Atmospheric concentrations of PCBs, DDXs, PBDEs, penta- and hexachlorobenzene were measured during a ship-borne survey in the summer of 2010. The concentration of PCBs (sum of 7 congeners) was 3.61 (2.08-7.72) pg m(-3), of which 6.7% was associated with the particulate phase. The mean concentration of DDT isoi-ners and their metabolites, DDE and DDD, was 2.60 (0.46-7.60) pg m(-3) (particulate mass fraction theta = 0.097), of penta- and hexachlorobenzene 0.22 (<039-2.80) pg m(-3) and 6.29 (2.48-24.16) pg m(-3), respectively, and of PBDEs (sum of 8 congeners) 7.31 (2.80-19.89) pg m(-3). The air masses studied had been transported mostly across central Europe, some crossing western Europe. The observed changes of PCB congener patterns along transport routes are in agreement with the perception that the reaction with the OH radical is dominating PCB atmospheric lifetime, and indicate an overestimation of the second order gas-phase reaction rate coefficient of PCB:153 with OH by structure-activity relationship.

Place, publisher, year, edition, pages
Elsevier, 2015. Vol. 111, 51-59 p.
Keyword [en]
Long-range transport; Marine environment; Persistent organic pollutants; Mediterranean
National Category
Environmental Sciences
Research subject
Enviromental Science
Identifiers
URN: urn:nbn:se:oru:diva-49769DOI: 10.1016/j.atmosenv.2015.03.044ISI: 000355026100006Scopus ID: 2-s2.0-84926434420OAI: oai:DiVA.org:oru-49769DiVA: diva2:918907
Note

Funding Agencies:

Granting Agency of the Czech Republic P503/11/1230

European Commission CZ.1.05/2.1.00/01.0001

European Social Fund

Ministry of Education of the Czech Republic LM2011028  LO1214

Available from: 2016-04-12 Created: 2016-04-12 Last updated: 2016-04-13Bibliographically approved

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