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- W755293864 abstract "Resuspended road dust has, during the last years, proved to be a contributive cause to high concentrations of inhalable particles (PM10) in ambient air. The connection of PM10 to negative health effects has lead to an environmental quality standard which will be in force from 1 st of January 2005. This calls for local and road authorities to investigate if the standard is reached and if so, what measures have to be taken to reduce concentrations. This study aims at investigating what methods and strategies are in use in Swedish municipalities, their awareness concerning the dust mitigating effectivity of measures taken and to investigate the knowledge on road dust and sweeping in our neighbouring countries. The method was a questionnaire to 103 municipalities and 7 regional road authorities as well as literature and contacts with various road authorities in Norway, Denmark, Finland and California. The results show that dusting from road are considered a large problem among road authorities and that the problems are worst during spring. The main cause to sweeping is comfort and sanitary concerns followed by safety and health concerns. Wet sweeping is the most common method and today no methods are in use especially intended for reducing PM10 concentrations. Only 10% of the respondents plan to improve methods or strategies. In Helsinki the road dust problem is mainly blamed on winter sanding and has been addressed since the late 80s. An ambitious sweeping method consisting of four co-operating units is used. In Oslo, road dust is blamed on studded tyres and the efforts have been focused on reducing studded tyre frequency. Sweeping methods has been evaluated and the results have been implemented in road and street sweeping. Neither in Helsinki nor in Oslo have the sweeping methods and strategies yet proved to reduce PM10 concentrations. In California the Rule 1186, demanding sweepers to be PM10 efficient, has resulted in some development, e.g. regenerative air sweepers and vacuum assisted dry sweepers. All in all this report shows that the knowledge about the contribution of road dust to PM10 and assumed possibilities for more efficient sweeping to reach the environmental standard is low among local and road authorities. In combination with the lack of PM10 data for Swedish municipalities and the near compliance with the environmental quality standard, this is a potentially large problem. (A) This document is also available electronically via Internet at http://www.vti.se/pdf/reports/M938.pdf" @default.
- W755293864 created "2016-06-24" @default.
- W755293864 creator A5063537479 @default.
- W755293864 date "2002-01-01" @default.
- W755293864 modified "2023-09-29" @default.
- W755293864 title "ROAD- AND STREET SWEEPING AS A MEASURE AGAINST HIGH PARTICLE CONCENTRATIONS CAUSED BY ROAD DUST" @default.
- W755293864 hasPublicationYear "2002" @default.
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