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Primary sources of selected POPs: regional and global scale emission inventories
Norwegian Institute for Air Research (NILU), Kjeller, Norway.ORCID-id: 0000-0003-1112-1900
Environmental Research Solutions, Witherslack, Cumbria, UK.
Meteorological Service of Canada, Downsview, ON, Canada.
Bailey Associates, Midland, USA.
Vise andre og tillknytning
2004 (engelsk)Inngår i: Environmental Pollution, ISSN 0269-7491, E-ISSN 1873-6424, Vol. 128, nr 1-2, s. 3-16Artikkel i tidsskrift (Fagfellevurdert) Published
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Abstract [en]

During the last decade, a number of studies have been devoted to the sources and emissions of Persistent Organic Pollutants (POPs) at regional and global scales. While significant improvements in knowledge have been achieved for some pesticides, the quantitative understanding of the emission processes and emission patterns for "non-pesticide" POPs are still considered limited. The key issues remaining for the non-pesticide POPs are in part determined by their general source classification. For industrial chemicals, such as the polychlorinated biphenyls (PCBs), there is considerable uncertainty with respect to the relative importance of atmospheric emissions from various source categories. For PCBs, temperature is discussed as a potential key factor influencing atmospheric emission levels and patterns. When it comes to the unintentional by-products of combustion and industrial processes (PCDD/Fs), there is still a large uncertainty with respect to the relative contribution of emissions from unregulated sources such as backyard barrel burning that requires further consideration and characterisation. For hexachlorobenzene (HCB), the relative importance of primary and secondary atmospheric emissions in controlling current atmospheric concentrations remains one of the key uncertainties. While these and other issues may remain unresolved, knowledge concerning the emissions of POPs is a prerequisite for any attempt to understand and predict the distribution and fate of these chemicals on a regional and global scale as well as to efficiently minimise future environmental burdens.

sted, utgiver, år, opplag, sider
Elsevier, 2004. Vol. 128, nr 1-2, s. 3-16
Emneord [en]
POPs; sources; emissions; regional; global; persistence; by-products
HSV kategori
Forskningsprogram
Kemi; Miljövetenskap
Identifikatorer
URN: urn:nbn:se:oru:diva-47629DOI: 10.1016/j.envpol.2003.08.031ISI: 000189127500002PubMedID: 14667716Scopus ID: 2-s2.0-0346816638OAI: oai:DiVA.org:oru-47629DiVA, id: diva2:900810
Tilgjengelig fra: 2016-02-05 Laget: 2016-01-19 Sist oppdatert: 2017-11-30bibliografisk kontrollert

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