tailieunhanh - Green Facts: Indoor Air Quality

Maryland. Repace (2005) measured outdoor fine particle and carcinogen concentrations from OTS on the campus of the University of Maryland at Baltimore. Using controlled experiments, Repace (2005) found that cigarette smoke RSP concentrations decline approximately inversely with distance downwind from the point source, whereas cigarette smoke carcinogen concentrations decline approximately inversely as the square of the distance from source to receptor. The experiments showed that OTS smoke levels did not approach background levels either for fine particles or carcinogens until about 23 feet from the source. Caribbean: Experiments conducted on a cruise ship underweigh at 20. | http Copyright DG Health and Consumers of the European Commission. http health ph risk popularizing popularizing results page 1 7 Source document SCHER 2008 Summary Details GreenFacts 2008 Indoor Air Quality Context - Air pollution - be it indoors or outdoors - is a major environmental health concern as it can lead to serious health effects such as respiratory diseases including asthma and lung cancer. Much progress has been made in Europe in improving outdoor air quality and limit values have been set for several pollutants. However indoor air quality also requires attention because this is where we spend most of our time. Which indoor air pollutants raise concern How can indoor air quality be determined An assessment by the European Commission Scientific Committee on Health and Environmental Risks SCHER 1. Introduction - assessing health risks of indoor air 2. What are the main factors in indoor air quality .3 3. How can scientists determine whether indoor air pollutants pose a health risk .4 4. Are certain people more vulnerable than others to indoor air pollution .4 5. Why are the combined effects of indoor air pollutants hard to measure .4 6. Which chemicals found in indoor air are causing the most concern .5 7. What household chemicals and products can pollute indoor air .5 8. Why is dampness in buildings a health concern .6 9. What kind of research on indoor air quality is needed .6 10. Conclusions and The answers to these questions are a faithful summary of the scientific opinion produced in 2008 by the Scientific Committee on Health and Environmental Risks SCHER Opinion on risk assessment on indoor air quality GreenFacts was contracted to prepare this summary by the DG Health and Consumers of the European Commission which authorised its publication. http Copyright DG Health and Consumers of the European Commission. http health ph risk popularizing .

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