室内空气中甲醛污染调查与分析
首发时间:2010-05-18
摘要:了解室内空气中甲醛污染状况,明确甲醛浓度的影响因素。2008年7月至10月,随机选取100位市民进行问卷调查,并对9套不同类型的普通居民住宅和4个校园公共活动区进行甲醛浓度监测。普通居民住宅测定26个房间样本,样本合格率为30.8%;校园公共活动区测定10个样本,样本合格率为90.0%。结果表明,室内甲醛浓度最主要的影响因素是大量建筑装饰材料的使用,其次是通风换气量及频次。同时甲醛浓度与室内温度和相对湿度等其他因素也有关。
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Investigations and analysis on formaldehyde pollution of indoor air
Abstract:Investigating the current situation about the formaldehyde pollution of indoor air, and making sure the major factors which influence formaldehyde concentration. Form July to October in 2008, the author had a questionnaire survey with 100 informants in random, and determined the concentration of formaldehyde in 9 common residences which were different types and 4 public areas of campus. There were 26 samples in common residences, with qualified rate of 30.8%, and 10 samples in public areas of campus, with qualified rate of 90.0%. The results showed: the most important factor which influenced the concentration of indoor formaldehyde was the slather using of building decoration materials, then were ventilating rate and frequency. It also related with indoor temperature, relative air humidity and other factors.
Keywords: indoor air pollution prevention questionnaire survey spot determine formaldehyde
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