长沙市新装修居室室内空气质量调查分析

Investigation on Indoor Air Pollution in Newly Decorated Apartment in Changsha

目的了解新装修居室室内空气质量污染状况。方法从市区1800户己装饰装修报名申请检测户中随机抽取116户作为检测调查对象。按GB/T 18883-2002规定方法检测甲醛和三苯。结果居室装修存在严重的室内空气污染，其中尤以甲醛超标现象严重，室内空气污染物含量与室温相关，冬春季检测合格率明显高于夏秋季，装修方式也与室内空气合格率相关，专业装饰装修公司装修的室内空气质量明显高于其它装修方式。结论居室装修对室内空气污染不容忽视，为减少室内空气污染物，家居布局应合理，装修尽量简捷，最大限度保障室内空气的流畅；选择环保型装饰装修材料，减少污染源；选择专业正规施工队伍，新装修家居应在保持充分通风换气条件下，空置一定的时间，最好经过夏秋季后经专业检测队伍检测合格再入住。

Objective： To investigate the condition of indoor air pollution in newly decorated apartment. Method： 116 households were selected randomly as research objective from 1800 households that applied for test after having their apartments decorated. Formaldehyde, benzene, toluene and xylene（BTX） were tested according to the standard methods in GB/T 18883-2002. Result： Indoor air pollution especially that of formaldehyde was serious after decoration. Room temperature could affect the content of indoor air pollutants, the qualified rate in spring and winter was much higher than that in summer and autumn. Indoor air quality was also related to the manner of decoration. The indoor air quality of apartments decorated by the specialized company was obviously better than that by other means. Conclusion： Great attention should be paid to the indoor air pollution caused by decoration. Reasonable furnishment, simple decoration, ventilation and environment-friendly materials should be applied to reduce the indoor air pollution sources. Newly decorated apartment should be ventilated sufficiently for some time and what＇s better should be professional test after autumn before dwell in.