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Determination of exposure to nitrogen dioxide with passive samplers in studying respiratory diseases in young children
AbstractIn the framework of a study on the relationship between air quality and respiratory diseases, 41 children were observed in winter 1984–1985. Passive samplers located in the children's rooms and worn by the children were used to monitor two- and three-day average NO2 concentrations indoors and outdoors and to determine personal exposure. Relative humidity and temperature were monitored indoors. Higher indoor NO2 concentrations as well as lower relative humidity were associated with a higher frequency of respiratory diseases. Even in homes with gas stoves, NO2 concentrations were clearly lower indoors than outdoors when averaged over 48 and 72 hours. The close agreement observed between personal and indoor NO2 values suggests that stationary indoor measurements represent a good estimate for the exposure of young children. The use of actually available passive samplers cannot provide a sufficiently detailed exposure pattern for a sufficient number of individuals to prove potential adverse health effects. Automatic recording of pollutant concentrations carried out in a small number of homes and subsequent modelling may be suited to estimate the likelihood of exposure to peak concentrations and resulting respiratory diseases.
Determination of exposure to nitrogen dioxide with passive samplers in studying respiratory diseases in young children
AbstractIn the framework of a study on the relationship between air quality and respiratory diseases, 41 children were observed in winter 1984–1985. Passive samplers located in the children's rooms and worn by the children were used to monitor two- and three-day average NO2 concentrations indoors and outdoors and to determine personal exposure. Relative humidity and temperature were monitored indoors. Higher indoor NO2 concentrations as well as lower relative humidity were associated with a higher frequency of respiratory diseases. Even in homes with gas stoves, NO2 concentrations were clearly lower indoors than outdoors when averaged over 48 and 72 hours. The close agreement observed between personal and indoor NO2 values suggests that stationary indoor measurements represent a good estimate for the exposure of young children. The use of actually available passive samplers cannot provide a sufficiently detailed exposure pattern for a sufficient number of individuals to prove potential adverse health effects. Automatic recording of pollutant concentrations carried out in a small number of homes and subsequent modelling may be suited to estimate the likelihood of exposure to peak concentrations and resulting respiratory diseases.
Determination of exposure to nitrogen dioxide with passive samplers in studying respiratory diseases in young children
Englert, N. (author) / Prescher, K.-E. (author) / Seifert, B. (author)
Environmental International ; 15 ; 137-142
1989-01-20
6 pages
Article (Journal)
Electronic Resource
English
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