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Department of the Environment,
Transport and the Regions
Sulphur Dioxide
Figures 1-5
Figure
1 Mean annual concentrations of
sulphur dioxide
Figure
2 Department of the Environment
automatic sites for sulphur dioxide as at March
1995
Figure
3A Mean monthly and maximum hourly
sulphur dioxide concentrates at selected monitoring
sites: January 1988 to March 1993
Figure
3B Mean monthly and maximum hourly
sulphur dioxide concentrates at selected monitoring
sites: January 1988 to March 1993
Figure
4 Relationship between monthly
means and maximum 15 minute means for the Belfast
East site in 1991
Figure
5 Relationship between hourly
means and maximum 15 minute means for the Ladybower
site in 1991