【摘要】 目的调查北京市居室内装修后苯系物的污染状况,分析苯系物浓度随各影响因素的变化,探讨苯系物的动态变化规律。方法于2005年4—10月,在北京市随机抽取54户新装修的居民,入户监测其室内装修后半年内空气中苯系物的浓度。结果苯系物浓度随时间、温度的变化有统计学意义,随装修后间隔时间的延长,空气中苯系物浓度逐渐下降,4个月后达到国家标准限值的要求。结论装修后居室内苯系物污染主要受温度影响,且随装修后时间的延长呈下降趋势,为避免空气中苯系物对健康的危害,装修后开窗通风至少3个月。更多还原

【Abstract】 Objective To know the current status of the benzene series pollution in the indoor air in newly decorated houses in Beijing and analyze its dynamic changes in order to find the changes rule of benzene series level. Methods 54 houses were randomly chosen in Beijing to monitor their benzene series levels during Apr.-Oct.,2005. Results The monthly average concentrations of benzene series in six months after decoration changed obviously while the temperature and time changed. Conclusion The benzene series level in the indoor air after decoration is affected by temperature mainly. Residents should open the windows for 3 months at least in order to avoid benzene series pollution.更多还原