By World Health Organization
This e-book provides revised instruction values for the 4 commonest air toxins - particulate topic, ozone, nitrogen dioxide and sulfur dioxide - in accordance with a up to date evaluate of the accrued clinical facts. the reason for collection of each one instruction price is supported via a synthesis of data rising from study at the well-being results of every pollutant. consequently, those instructions now additionally follow globally. they are often learn at the side of Air caliber instructions for Europe, second version, that's nonetheless the authority on guide values for all different air pollution.
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Extra resources for Air Quality Guidelines: Global Update 2005
Setting quality objectives and following a well-defined quality assurance and quality control (QA/QC) programme are essential for obtaining good quality data and comparable information. The measurement methods used and information concerning data quality requirements have not always been reported and controlled. Data quality may thus vary from one city to another and from region to region. Representativeness of data Information about the ambient air pollution levels have been based on measurements representative for different types of area and microenvironment, such as: • traffic, near roads and in streets; • urban areas, representative for the kilometre scale inside the urban airshed; and • rural areas, away from local sources representative for residential areas.
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Atmospheric chemistry and physics. New York, Wiley Interscience, 1998. 2. Fenger J. Urban scale processes. In: Hewitt CN, Jackson A, eds. Handbook of atmospheric science, principles and applications. Oxford, Blackwell, 2003. 3. Smith DJT, Harrison RM. Polycyclic aromatic hydrocarbons in atmospheric particles. In: Harrison RM, Van Grieken R, eds. Atmospheric particles. John Wiley & Sons, 1998:253–294 (IUPAC Series on Analytical and Physical Chemistry of Environmental Systems, Vol. 5). 4. Charron A, Harrison RM.