新装修商场空气质量调查分析

Investigation of Air Quality in Newly Decorated Stores

目的了解新装修商场空气质量状况及其与装修时间的关系,为制定商场空气质量防控对策提供科学依据。方法采用分层抽样方法,抽取深圳市光明新区新装修商场共17家,设置监测点174个,采用现场监测仪器对CO、CO2、甲醛、总挥发性有机物(TVOC)、可吸入性颗粒物(IP)、噪声、照度7项指标进行检测。结果①甲醛最大值为0.482 mg/m3,超出国家标准3.02倍,TVOC最大值为2.302 mg/m3,超标2.84倍,IP最大值为0.542 mg/m3,超标2.61倍。②7项指标总合格率仅79.15%,且以噪声和IP合格率为低,分别为53.45%和74.14%。③甲醛含量与装修时间(周)存在统计学相关(r=-0.485,回归系数β=-0.375)。结论新装修商场空气污染较为严重,同时装修时间也是重要影响因素,应引起高度重视。

[ Objective ] To investigate the basic status of indoor air quality of newly decorated stores and the association with time, and provide scientific basis for formulating policy of controlling public air pollution. [ Methods] Stratified sampling method was adopted to select 17 newly decorated stores; 7 indicators such as CO, CO2 ,formaldehyde, TVOC, IP, noise, illumination were measured by field monitoring equipment on 174 monitoring sites. [ Results] （1）The maximum of formaldehyde was 0.482 mg/m3 which was over 3.02 times of national standard. The maximum of TVOG was 2. 302 mg/m3 , over 2.84 times of standard. The maximum of IP was 0.542 mg/m3 , over 2.61 times. （2The total qualified rate was 79.15 percent, and that of noise and IP were relatively low （ 53.45% and 74.14%, respectively）. （3）formaldehyde level associated significantly with the decoration time （week） （ r = - 0.485, regression coefficient β = - 0. 375 ）. There were statistic association between time and formaldehyde level （ r = - 0. 485, β = - 0. 375 ） . [ Conclusion] Serious air pollution exists in newly decorated store, and the decoration time is also the important factors which should attract more attentions.