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A platform for research: civil engineering, architecture and urbanism
Measurements of benzene, toluene and xylenes in urban air
Abstract Results from measurements of benzene, toluene and xylenes in the city centre of Oslo are presented. The samples were collected in March and August/September 1980 at two of the stations used in an air pollution monitoring program. One was in a street canyon station and the other was a reference station. The sampling equipment was two charcoal filters in series, placed in a filter holder with a disk of glass fibre prefilter in front. Analysis was by high resolution gas chromatography. The single measured separate values of these aromatics ranged from 1 to 210μm−3. Benzene concentrations especially ranged from 4 to 114 μg m−3. The concentrations of benzene and toluene seemed to be higher in August/September than in March, while the concentrations of the xylenes seemed to be about the same. The variations in concentrations of the aromatics follow each other closely in both measuring periods which indicates that all components are emitted from the same sources and are dispersed in the same way. Correlation between benzene and CO and between benzene and ambient temperature are discussed.
Measurements of benzene, toluene and xylenes in urban air
Abstract Results from measurements of benzene, toluene and xylenes in the city centre of Oslo are presented. The samples were collected in March and August/September 1980 at two of the stations used in an air pollution monitoring program. One was in a street canyon station and the other was a reference station. The sampling equipment was two charcoal filters in series, placed in a filter holder with a disk of glass fibre prefilter in front. Analysis was by high resolution gas chromatography. The single measured separate values of these aromatics ranged from 1 to 210μm−3. Benzene concentrations especially ranged from 4 to 114 μg m−3. The concentrations of benzene and toluene seemed to be higher in August/September than in March, while the concentrations of the xylenes seemed to be about the same. The variations in concentrations of the aromatics follow each other closely in both measuring periods which indicates that all components are emitted from the same sources and are dispersed in the same way. Correlation between benzene and CO and between benzene and ambient temperature are discussed.
Measurements of benzene, toluene and xylenes in urban air
Wathne, Bente M. (author)
Atmospheric Environment ; 17 ; 1713-1722
1982-05-24
10 pages
Article (Journal)
Electronic Resource
English
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