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目的了解装修后居室空气中甲醛的污染及对人体健康的危害,为进一步开展室内空气质量监测及控制提供依据。方法在洛阳市城区(不含吉利区)选取装修档次相近的中等装修水平的新装修住户76户,按建筑布局独立房间布点,共设537个监测点进行采样检测,监测仪器使用经过定期计量检定的美国INTER-SCAN-4160-2型便携式甲醛分析仪,并对213名居住者进行了一些主观症状的问卷式调查。结果装修后0～12个月的居室空气中甲醛浓度在0.019～0.680 mg/m3之间,超标率为63.13%;装修后“0～1个月”、“2～6个月”、“7～12个月”、“12个月以上”四个时间段甲醛浓度超标率分别为93.75%、80.23%、63.44%和36.05%,甲醛浓度随着装修后时间的延长而逐渐降低。结论装修过的居室存在着甲醛污染,并对人体健康产生影响,应采取措施,降低居室内甲醛浓度。
Objective To understand the formaldehyde pollution in indoor air and the harm to human health after decoration, providing the basis for further monitoring and control of indoor air quality. Methods In the urban area of Luoyang City (excluding Geely District), 76 newly renovated renovated middle-level renovated renovated buildings were selected according to the layout of buildings and 537 monitoring points were sampled for testing. The monitoring instruments were regularly metered Of the United States INTER-SCAN-4160-2 portable formaldehyde analyzer, and 213 residents conducted some subjective symptoms of the questionnaire survey. Results The indoor formaldehyde concentration in 0 ~ 12 months after decoration was between 0.019 and 0.680 mg / m3 with an exceeding standard rate of 63.13%. After the decoration, “0 ~ 1 month”, "2 ~ 6 months Formaldehyde concentrations exceed the standard rate of 93.75%, 80.23%, 63.44% and 36.05% respectively in the four time periods. The formaldehyde concentration with the time after the renovation Extend and gradually reduce. Conclusion The renovated living room has the formaldehyde pollution and has an impact on human health. Measures should be taken to reduce the concentration of formaldehyde in the living room.