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Utsläpp av Flyktiga Organiska Föreningar och Partiklar i Falun: Trafiken och industrins bidrag av PM10 och VOC
Umeå University, Faculty of Science and Technology, Department of Ecology and Environmental Sciences.
2009 (Swedish)Independent thesis Advanced level (degree of Master (One Year)), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

Emissions from Particles and Volatile Organic Compounds (VOC) in Falun.-How is the emission divided between particles and VOC?

This study investigates the air quality in Falun, a small city in central Sweden, with a focus on particles and volatile organic compounds (VOC). Falun is located in a valley which makes it sensitive to inversions, when the vertical mixing of air over the city is prevented. When this happens emissions over the city can stay for days and the pollution levels can be high. The report is based upon a literature review, calculation of emissions from traffic and a survey of industrial emissions. Emission of VOCs can be dangerous to people and contributes to the production of ground- level ozone. Particles can be a carrier for other dangerous compounds. The result shows that high pollution levels caused by inversions can happen. The temperature, wind and temperature differences show that inversions during the winter months are possible up to half of the time. Emissions from cars and industries are a problem. The municipality forced to control air pollution and in Swedish law there is a threshold value for both particles and the volatile organic compounds benzene. Spreading of pollution in air in Falun is centered around the emission sourses. Because it´s hard to prevent inversions, the municipality must focus on reducing emission of pollutants. This can be done through road planning and diverting traffic to other routes around the city.

Place, publisher, year, edition, pages
2009. , 32 p.
Keyword [en]
particle, volatile organic compounds, air pollution, traffic, industries
National Category
Natural Sciences
URN: urn:nbn:se:umu:diva-35419OAI: diva2:344162

Available from: 2010-08-18 Created: 2010-08-18 Last updated: 2010-08-18Bibliographically approved

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