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Dissolved Organochlorine and PAH Pollution Profiles in Lithuanian and Swedish Surface Waters
Umeå University, Faculty of Science and Technology, Chemistry.
2007 (English)In: Bulletin of Environmental Contamination and Toxicology, Vol. 79, no 2, 147-52 p.Article in journal (Refereed) Published
Abstract [en]

In recent decades, knowledge and concern regarding persistent organic pollutants and the environmental hazards they may pose have increased considerably, leading to international agreements such as the United Nations environment program Stockholm convention on persistent organic pollutants (POPs), to minimize further release of POPs into the environment (UNECE Protocol, 1979; UNEP Stockholm convention, 2001; UNECE Convention, 1998). National POP monitoring programs should be designed to identify, characterize and address the release of the POPs listed in the Stockholm convention. However, analyses of grab samples only provide crude snapshots of total concentrations at single points in space and time, which may be highly unrepresentative of average concentrations, and fail to account for differences in the POPs’ bioavailability and various other relevant factors. To obtain a better understanding of the fate and availability of pollutants in the environment it is necessary to obtain data regarding their site-specific and regional exposure levels. Exposure levels expressed in terms of total chemical concentrations do not reflect the actual exposure of organisms, and thus may not accurately reflect the true risks posed. Therefore, environmental monitoring programs would be improved by using reliable, integrative sampling methods that would not only allow time-weighted average concentrations of pollutants in the environment to be determined, but also facilitate assessments of the risks these chemicals pose to the environment.

Place, publisher, year, edition, pages
2007. Vol. 79, no 2, 147-52 p.
URN: urn:nbn:se:umu:diva-16369DOI: doi:10.1007/s00128-007-9095-9OAI: diva2:156042
Available from: 2007-09-18 Created: 2007-09-18 Last updated: 2011-01-11Bibliographically approved

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