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Particulate (PM 10) concentrations: 1993-2004Nitrogen dioxide concentrations: 1992-2004Carbon monoxide concentrations: 1992-2004Ground level ozone concentrations: 1990-2004Sulphur dioxide concentrations: 1962-2004Emissions of sulphur dioxide and nitrogen oxides from large combustion plants: 1996-2004WaterRadioactivityWasteLandWildlifeFootnotes
Page updated: Monday, August 15, 2005