tailieunhanh - OUTDOOR AIR POLLUTION

The movement of vehicles on the street also results in resuspension of road dust. Emissions also occur as a result of tyre wear and brake lining wear. Although there is a lack of data, it is expected that most of these particles will be in the size range 3 to some 30µm. The chemical composition of these particles may also be very different from those derived from combustion. The road dust deposit available for resuspension comes from mechanical wear of, and dirt on, vehicles (incl. tyre and brake lining wear), debris from loads on vehicles, influx of soil material etc. In some parts of Europe, notably. | TRAINING FOR THE HEALTH SECTOR Date .Place . OUTDOOR AIR POLLUTION Children s Health and the Environment WHO Training Package for the Health Sector World Health Organization www. ceh July 2008 version NOTE TO USER Please add details of the date time place and sponsorship of the meeting for which you are using this presentation in the space indicated. NOTE TO USER This is a large set of slides from which the presenter should select the most relevant ones to use in a specific presentation. These slides cover many facets of the problem. A number of slides refer to the specific issues related to indoor air pollution in developing countries as it represents a major determinant of the burden of disease in children. Present only those slides that apply most directly to the local situation in the region. Outdoor Air Pollution LEARNING OBJECTIVES Discuss the major outdoor air pollutants Describe their sources Review their major health effects short- and long-term Promote preventive measures for children Understand some strategies to reduce outdoor air pollution 2 There are four objectives for this training module. At the end of the presentation the individual will be able to 1. List the major outdoor air pollutants 2. Describe their sources 3. Describe their major health effects 4. Promote preventive measures for children. 5. List some strategies to reduce outdoor air pollution. It is very important to recognize that air pollution is variable and that each community has unique problems based on its geography climate industries traffic and a variety of other factors. Outdoor Air Pollution As soon as I had escaped the heavy air of Rome and the stench of its smoky chimneys which when stirred poured forth whatever pestilent vapours and soot they held enclosed I felt a change in my disposition. Roman philosopher Seneca AD 61 3 Introduce the topic of air pollution by describing its history. READ SLIDE. Air pollution first received recognition as an