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Continental scale passive air sampling of persistent organic pollutants using rapidly equilibrating thin films (POGs)

Farrar, Nick J. and Prevedouros, K. and Harner, T. and Sweetman, A. J. (2006) Continental scale passive air sampling of persistent organic pollutants using rapidly equilibrating thin films (POGs). Environmental Pollution, 144 (2). pp. 423-433. ISSN 0269-7491

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Abstract

A novel design of rapidly equilibrating passive air sampler was deployed at 38 sites across 19 European countries to investigate short-term spatial variability of persistent organic pollutants (POPs). Devices were sealed in airtight containers to eliminate the possibility of contamination during transit and couriered to recipients with deployment instructions. Exposure times of 7 days permitted the use of back trajectory analysis to further understand the factors responsible for influencing the large-scale spatial distribution of PCBs, PBDEs, PCNs, PAHs, lindane and HCB. Following sampler harvest, devices were sealed and returned for analysis. Comparison of sequestered levels showed that PAHs exhibited the greatest spatial variability (by a factor of 30) with higher levels often associated with greater population density. In contrast, HCB values were much more uniform, reflecting its well mixed distribution in the atmosphere. Spatial variation was strongly influenced by air mass origin, with lower levels being observed at most sites impacted by maritime air masses. Polymer-coated glass (POG) slides are used as short-term air samplers in a survey of POPs in different European countries.

Item Type: Article
Journal or Publication Title: Environmental Pollution
Uncontrolled Keywords: Passive air sampling ; Persistent organic pollutants ; Polymer-coated glass ; Continental scale
Subjects: G Geography. Anthropology. Recreation > GE Environmental Sciences
Departments: Faculty of Science and Technology > Lancaster Environment Centre
ID Code: 8488
Deposited By: Ms Margaret Calder
Deposited On: 28 Apr 2008 10:15
Refereed?: Yes
Published?: Published
Last Modified: 26 Jul 2012 18:23
Identification Number:
URI: http://eprints.lancs.ac.uk/id/eprint/8488

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