| In recent years, people regard the importance of indoor air environment more and more. Many experts study on how to reduce indoor air pollution, but because the present researchs mostly set out from the angle of environment and escape from relationship between indoor air pollution and the person, the result of reseach physically apply poor, the problem of indoor air pollution hasn't been resolved yet. The accident caused by indoor air pollution still takes place again and again. This text sets out from people's safety, uses the principle of safety system engineering to analyze and study the problem of indoor air pollution accident, the aim is to reduce the occurrence of indoor air pollution accident. It reflects on the following respects:(1) introduced the way of "the fault tree" to probe into the particular process of indoor air pollution accident happens, and carried on qualitative analysis, then found out the way to prevent the accident.(2)Analyzed the main pollutants'harm to human, described the current situation of indoor air pollution in china.(3) Summarized the present assessment methods of indoor air quality, and put forward the view that using the method of pollution loss rate to assess indoor air quality. Example shows that the physical meaning of this method is clear; on the other hand, as a practive and effective method, it can reflect the different healthy function with different pollutant. Therefore, it shows a new approach and idea to get more objective evaluation of indoor air quality.(4)Aimed at current situation that people don't want to invite certain department to check their house just because of economic reason. The text built up the indoor air environment security assessment system for new repair house, which meet the request of the masses with strongly.(5)Based on the test results people have done, the text offer integrate solution of improving newly-repaired house's indoor air environment security from management,individual protection and technique. |
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