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Wet deposition of poly- and perfluorinated compounds in Northern Germany
Dreyer, A.; Matthias, V.; Weinberg, I.; Ebinghaus, R. (2010). Wet deposition of poly- and perfluorinated compounds in Northern Germany. Environ. Pollut. 158(5): 1221-1227. https://dx.doi.org/10.1016/j.envpol.2010.01.030
In: Environmental Pollution. Elsevier: Barking. ISSN 0269-7491; e-ISSN 1873-6424, more
Peer reviewed article  

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  • Dreyer, A.
  • Matthias, V.
  • Weinberg, I.
  • Ebinghaus, R., more

Abstract
    Twenty precipitation samples were taken concurrently with air samples at a northern German monitoring site over a period of 7 months in 2007 and 2008. Thirty four poly- and perfluorinated compounds (PFC) were determined in rain water samples by solid phase extraction and HPLC-MS/MS analysis. Seventeen compounds were detected in rain water with ΣPFC concentrations ranging from 1.6 ng L−1 to 48.6 ng L−1. Perfluorooctanoate (PFOA) and perfluorobutanate (PFBA) were the compounds that were usually observed in highest concentrations. Calculated ΣPFC deposition rates were between 2 and 91 ng m−2 d−1. These findings indicate that particle phase PFC are deposited from the atmosphere by precipitation. A relationship between PFC wet deposition and air concentration may be established via precipitation amounts. Trajectory analysis revealed that PFC concentration and deposition estimates in precipitation can only be explained if a detailed air mass history is considered.

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