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Träfflista för sökning "((L773:1352 2310) pers:(Sällsten Gerd 1952) conttype:(refereed)) srt2:(2005)"

Sökning: ((L773:1352 2310) pers:(Sällsten Gerd 1952) conttype:(refereed)) > (2005)

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1.
  • Molnár, Peter, 1967, et al. (författare)
  • Domestic wood burning and PM2.5 trace elements: Personal exposures, indoor and outdoor levels
  • 2005
  • Ingår i: Atmospheric Environment. - : Elsevier BV. - 1352-2310. ; 39:14, s. 2643-2653
  • Tidskriftsartikel (refereegranskat)abstract
    • Personal exposures as well as indoor and outdoor levels of PM2.5 were measured with cyclones and impactors simultaneously in the winter of 2003 in a residential area where wood burning for domestic space heating is common. Twenty-four-hour samples from both wood-burning households ("wood burners") and a reference group were analysed for mass and elemental concentration using energy dispersive X-ray fluorescence (EDXRF) and for black smoke (BS) concentration using an EEL 43 reflectometer. Wood-smoke particles made statistically significant contributions of K, Ca, and Zn for both personal exposure and indoor concentration, the median levels of these elements being 66-80% higher for the wood-burning group. In addition, Cl, Mn, Cu, Rb, and Pb were found to be possible markers of wood smoke, though levels of these were only significantly higher among the wood-burning group for either personal exposure or indoor concentrations. PM2.5 mass and S levels were not significantly elevated in wood burners, probably due to large variations in outdoor concentrations from long-distance transported air pollution. Personal exposure and indoor levels showed high correlations for all species, and the personal exposure levels were usually higher than or equal to the indoor levels. The associations between personal exposure and outdoor levels were generally weak except for outdoor S and PM2.5 levels that were both highly correlated with personal S exposure levels (r(s) > 0.8). (c) 2005 Elsevier Ltd. All rights reserved.
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3.
  • Wängberg, I, et al. (författare)
  • Emissions, dispersion and human exposure of mercury from a Swedish chlor-alkali plant
  • 2005
  • Ingår i: Atmospheric Environment. - : Elsevier BV. - 1352-2310. ; 39:39, s. 7451-7458
  • Tidskriftsartikel (refereegranskat)abstract
    • Mercury in air near a mercury cell chlor-alkali plant in Sweden has been measured within the EU-project EMECAP. Based on the measurements and modelling the annual distributions of GEM and RGM have been calculated for the local area around the plant. The average concentration of GEM in residential areas near the plant was found to be 1-3.5 ng m(-3) higher in comparison to the background concentration in this part of Sweden. The emission of RGM (0.55 kg year(-1)) results in elevated RGM concentrations close to the plant. The greatest impact on the local area is due to wet deposition of RGM. However, only a small fraction (0.4%) of all mercury being emitted was found to be deposited in the local area. No impact on urinary mercury could be demonstrated in the population living close to the plant. (c) 2005 Elsevier Ltd. All rights reserved.
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