Research Topics
| Lutz AhrensSummaryAffiliation: Environment Canada Country: Canada Publications
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Detail Information
Publications
Partitioning of perfluorooctanoate (PFOA), perfluorooctane sulfonate (PFOS) and perfluorooctane sulfonamide (PFOSA) between water and sedimentLutz Ahrens
Helmholtz Zentrum Geesthacht, Centre for Materials and Coastal Research, Institute of Coastal Research, Department for Environmental Chemistry, D 21502 Geesthacht, Germany
Chemosphere 85:731-7. 2011..Ultimately, data on the partitioning of PFCs between aqueous media and suspended solids are essential for modelling their transport and environmental fate...- Distribution of polyfluoroalkyl compounds in water, suspended particulate matter and sediment from Tokyo Bay, JapanLutz Ahrens
Institute for Coastal Research, GKSS Research Centre Geesthacht, Germany
Chemosphere 79:266-72. 2010..71-0.76 log units higher compared to the PFCA analogs. In addition, the sorption of PFCs was influenced by the organic carbon content. These data are essential for modelling the transport and environmental fate of PFCs... - Temporal trends and pattern of polyfluoroalkyl compounds in Tawny Owl (Strix aluco) eggs from Norway, 1986-2009Lutz Ahrens
Institute for Coastal Research, Helmholtz Zentrum Geesthacht, Max Planck Strasse 1, 21502 Geesthacht, Germany
Environ Sci Technol 45:8090-7. 2011..However, tawny owls are exposed to a mixture of various PFCs, and PFCA concentrations still increase... - Wastewater treatment plant and landfills as sources of polyfluoroalkyl compounds to the atmosphereLutz Ahrens
Environment Canada, Science and Technology Branch, Toronto, ON, Canada, M3H 5T4
Environ Sci Technol 45:8098-105. 2011..These results highlight the important role of WWTPs and landfills as emission sources of PFCs to the atmosphere... - Polyfluoroalkyl compounds in the East Greenland Arctic OceanJan Busch
GKSS Research Centre Geesthacht, Institute for Coastal Research, Geesthacht, Germany
J Environ Monit 12:1242-6. 2010..Significant differences in concentrations of PFHxS, PFHxA, PFHpA and PFOA for samples taken in coastal areas indicate an influence from the Greenlandic mainland... 
Urban versus remote air concentrations of fluorotelomer alcohols and other polyfluorinated alkyl substances in GermanyAnnika Jahnke
GKSS Research Centre, Department of Environmental Chemistry, Institute for Coastal Research, Max Planck Str 1, DE 21502 Geesthacht, Germany
Environ Sci Technol 41:745-52. 2007..968, respectively. Finally, the PFAS concentrations determined in this study are set into context with levels of "classical" persistent organic pollutants (POPs) in the same region and PFAS data available for North America...- Temporal trends of polyfluoroalkyl compounds in harbor seals (Phoca vitulina) from the German Bight, 1999-2008Lutz Ahrens
GKSS Research Centre Geesthacht, Department for Environmental Chemistry, Institute for Coastal Research, DE 21502 Geesthacht, Germany
Chemosphere 76:151-8. 2009..070), the high concentrations of PFOS and constant levels of C(9)-C(13) PFCAs indicates that further work on the reduction of environmental emissions of PFCs are necessary... - Partitioning behavior of per- and polyfluoroalkyl compounds between pore water and sediment in two sediment cores from Tokyo Bay, JapanLutz Ahrens
Institute for Coastal Research, GKSS Research Centre Geesthacht, DE 21502 Geesthacht, Germany
Environ Sci Technol 43:6969-75. 2009.... - Spatial distribution of polyfluoroalkyl compounds in seawater of the German BightLutz Ahrens
GKSS Research Centre Geesthacht, Institute for Coastal Research, Max Planck Str 1, D 21502 Geesthacht, Germany
Chemosphere 76:179-84. 2009..Conversely, PFBS had its maximum concentration not in the estuaries but in the western German Bight, which suggest an additional source, where PFBS was transported into the German Bight with the westerly current... - Brominated flame retardants in seawater and atmosphere of the Atlantic and the Southern OceanZhiyong Xie
Helmholtz Zentrum Geesthacht, Centre for Materials and Coastal Research GmbH, Institute for Coastal Research, Max Planck Str 1, D 21502 Geesthacht, Germany
Environ Sci Technol 45:1820-6. 2011..0, 0.3, 1.2, 1.0, and 0.5 pg m(-2) day(-1) for BDE-47, BDE-100, BDE-99, DPTE, and HBB. Overall, these results highlight the important role of the long-range atmospheric transport of PBDE and non-PBDE BFRs to remote regions... - Longitudinal and latitudinal distribution of perfluoroalkyl compounds in the surface water of the Atlantic OceanLutz Ahrens
Department for Environmental Chemistry, Institute for Coastal Research, GKSS Research Centre Geesthacht, Max Planck Strasse 1, DE 21502 Geesthacht, Germany
Environ Sci Technol 43:3122-7. 2009..However, the concentration of each single compound was usually in the tens of picograms per liter range. South of the equator only FOSA and below 4 degrees S no PFCs could be detected... - Distribution of perfluoroalkyl compounds in seawater from northern Europe, Atlantic Ocean, and Southern OceanLutz Ahrens
Department for Environmental Chemistry, Institute for Coastal Research, GKSS Research Centre Geesthacht, Max Planck Str 1, D 21502 Geesthacht, Germany
Chemosphere 78:1011-6. 2010..In the Southern Ocean only PFOS was detected which could be caused by atmospheric transport of its precursors... - Improved characterization of gas-particle partitioning for per- and polyfluoroalkyl substances in the atmosphere using annular diffusion denuder samplersLutz Ahrens
Science and Technology Branch, Environment Canada, Toronto, Ontario, Canada M3H 5T4
Environ Sci Technol 46:7199-206. 2012..The denuder-based sampling of PFASs has yielded a robust data set that demonstrates the importance of atmospheric pH and chemical pK(a) values in determining gas-particle partitioning of PFASs... - Distribution and sources of polyfluoroalkyl substances (PFAS) in the River Rhine watershedAxel Moller
GKSS Research Centre Geesthacht GmbH, Institute for Coastal Research, 21502 Geesthacht, Germany
Environ Pollut 158:3243-50. 2010..Fluxes of SigmaPFAS were estimated to be approximately 6 tonnes/year which is much higher than previous estimations. Both, the River Rhine and the River Scheldt, seem to act as important sources of PFAS into the North Sea... - Wastewater treatment plants and landfills emit volatile methyl siloxanes (VMSs) to the atmosphere: investigations using a new passive air samplerYu Cheng
Air Quality Research Division, Science and Technology Branch, Environment Canada, 4905 Dufferin Street, Toronto, Ontario M3H 5T4, Canada
Environ Pollut 159:2380-6. 2011..Yearly emissions (kg/yr) to air were estimated and ranged from 60-2100 and 80-250, respectively, for the cyclic VMSs. These findings demonstrate and quantify for the first time, waste sector emissions of VMSs to the atmosphere... - Total body burden and tissue distribution of polyfluorinated compounds in harbor seals (Phoca vitulina) from the German BightLutz Ahrens
GKSS Research Centre Geesthacht, Department for Environmental Chemistry, Institute for Coastal Research, Max Planck Str 1, DE 21502 Geesthacht, Germany
Mar Pollut Bull 58:520-5. 2009..01%) and thyroid (<0.01%). These data suggest large differences in body burden and accumulation pattern of PFCs in marine mammals... - Polyfluorinated compounds in waste water treatment plant effluents and surface waters along the River Elbe, GermanyLutz Ahrens
GKSS Research Centre Geesthacht, Institute for Coastal Research, Max Planck Str 1, D 21502 Geesthacht, Germany
Mar Pollut Bull 58:1326-33. 2009..In both kinds of water samples, perfluorooctanoic acid (PFOA) was the major PFC, whereas perfluorobutane sulfonate (PFBS) was the predominant PFSA... - Sources of polyfluoroalkyl compounds in the North Sea, Baltic Sea and Norwegian Sea: Evidence from their spatial distribution in surface waterLutz Ahrens
GKSS Research Centre Geesthacht, Department for Environmental Chemistry, Institute for Coastal Research, DE 21502 Geesthacht, Germany
Mar Pollut Bull 60:255-60. 2010.... - Temporal trends of polyfluoroalkyl compounds (PFCs) in liver tissue of grey seals (Halichoerus grypus) from the Baltic Sea, 1974-2008Johanna Kratzer
Helmholtz Zentrum Geesthacht, Centre for Materials and Coastal Research, Institute of Coastal Research, Department for Environmental Chemistry, D 21502 Geesthacht, Germany
Chemosphere 84:1592-600. 2011..However, the high concentrations of PFOS and continuing increasing concentrations of the longer chain PFCAs (C(12)-C(14)) shows that further work on the reduction of environmental emissions of PFCs are necessary... - Polyfluoroalkyl compounds in landfill leachatesJan Busch
Department for Environmental Chemistry, GKSS Research Centre Geesthacht, Geesthacht, Germany
Environ Pollut 158:1467-71. 2010..The mass flows of summation operatorPFCs into the aqueous environment ranged between 0.08 and 956 mg/day... - Global pilot study of legacy and emerging persistent organic pollutants using sorbent-impregnated polyurethane foam disk passive air samplersSusie Genualdi
Environment Canada, Science and Technology Branch, Toronto, Ontario M3H 5T4, Canada
Environ Sci Technol 44:5534-9. 2010..They can also be used as a complement to the PUF disk sampler for capturing broader classes of compounds, or as a replacement for PUF disks entirely, especially when longer than quarterly deployment periods are desired... - Spatial distribution of polyfluoroalkyl compounds in dab (Limanda limanda) bile fluids from Iceland and the North SeaLutz Ahrens
Department for Environmental Chemistry, Institute for Coastal Research, GKSS Research Centre Geesthacht, D 21502 Geesthacht, Germany
Mar Pollut Bull 60:145-8. 2010..7 ng/g ww for PFNA to 0.04 ng/g ww for perfluorotetradecanoic acid (PFTeDA). Overall, the different spatial distribution of PFCs indicates different origin of sources and different transportation mechanism... - Comparison of annular diffusion denuder and high volume air samplers for measuring per- and polyfluoroalkyl substances in the atmosphereLutz Ahrens
Environment Canada, Science and Technology Branch, Toronto, ON, Canada, M3H 5T4
Anal Chem 83:9622-8. 2011..The results of this study improve our understanding of the gas-particle partitioning of PFASs, which is important for modeling their long-range transport in air... - Reprint of: Temporal trends of polyfluoroalkyl compounds (PFCs) in liver tissue of grey seals (Halichoerus grypus) from the Baltic Sea, 1974-2008Johanna Kratzer
Helmholtz Zentrum Geesthacht, Centre for Materials and Coastal Research, Institute of Coastal Research, Department for Environmental Chemistry, D 21502 Geesthacht, Germany
Chemosphere 85:253-61. 2011..However, the high concentrations of PFOS and continuing increasing concentrations of the longer chain PFCAs (C(12)-C(14)) shows that further work on the reduction of environmental emissions of PFCs are necessary... - An improved method for the analysis of volatile polyfluorinated alkyl substances in environmental air samplesAnnika Jahnke
Department of Environmental Chemistry, Institute for Coastal Research, GKSS Research Centre, Max Planck Str 1, 21502, Geesthacht, Germany
Anal Bioanal Chem 387:965-75. 2007..The applicability of the method was demonstrated by means of environmental air samples from an urban and a rural location in Northern Germany... - Polyfluoroalkyl compounds in the aquatic environment: a review of their occurrence and fateLutz Ahrens
Department for Environmental Chemistry, Institute for Coastal Research, GKSS Research Centre Geesthacht, D 21502, Geesthacht, Germany
J Environ Monit 13:20-31. 2011..Finally, this article identifies knowledge gaps, presents conclusions and recommendations for future work...