Example: confidence
Search results with tag "4 sulfur dioxide"
Chapter 7.4 Sulfur dioxide - World Health Organization
www.euro.who.intWHO Regional Office for Europe, Copenhagen, Denmark, 2000 1 Chapter 7.4 Sulfur dioxide General description Historically, sulfur dioxide (SO2) and particulate matter derived from the combustion of fossil fuels have been the main components of air pollution in many parts of the world.