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Air Quality Guidelines: Global Update 2005 by World Health Organization

By World Health Organization

This publication provides revised guide values for the 4 commonest air toxins - particulate subject, ozone, nitrogen dioxide and sulfur dioxide - in response to a contemporary evaluate of the amassed clinical proof. the reason for choice of each one instruction price is supported via a synthesis of data rising from study at the healthiness results of every pollutant. consequently, those guidance now additionally follow globally. they are often learn along with Air caliber guidance for Europe, second variation, that's nonetheless the authority on guide values for all different air pollution.

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20. Cambridge, Royal Society of Chemistry, 2004. 9. Goodwin JWL et al. UK emissions of air pollutants 1970 to 2000. National Atmospheric Emissions Inventory, 2002. 10. Goodwin J, Mareckova K. Emissions of atmospheric pollutants in Europe, 1990–1999. Copenhagen, European Environment Agency, 2002 (Topic Report 5/2002). 11. National air quality and emissions trends report, 1999. gov/oar/aqtrnd99, accessed 12 July 2006). 12. Emission inventory guidebook. Copenhagen, European Environment Agency, 2002.

50 AIR QUALITY GUIDELINES Fig. 10. The development of annual average sulfur dioxide concentrations in Chinese cities from 1990 to 2002 120 Concentration (μg/m3) 100 80 60 Grade III standard 40 Northern cities 20 Average Southern cities 0 1990 1992 1994 1996 1998 2000 2002 Year Source: Hao & Wang (45). Fig. 11.

Gov/oar/aqtrnd99, accessed 12 July 2006). 12. Emission inventory guidebook. Copenhagen, European Environment Agency, 2002. 13. Gurjar BR et al. Emission estimates and trends (1990–2000) for megacity Delhi and implications. Atmospheric Environment, 2004, 38:5663–5681. 14. html, accessed 12 July 2006). 15. Begum BA et al. Investigation of sources of atmospheric aerosol at a hot spot area in Dhaka, Bangladesh. Journal of the Air & Waste Management Association, 2005, 55:227–240. 30 AIR QUALITY GUIDELINES 16.

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