汽车车内空气污染状况调查

目的了解汽车车内空气污染状况和影响污染物浓度的主要因素,为制定有关汽车车内空气污染的控制对策提供依据。方法于2008年1—7月选择不同车型和车龄的小汽车35辆,进行车内空气中苯系物、甲醛和总挥发性有机物(TVOC)的检测,并分析影响因素。结果使用1a以内车辆车内空气污染物(甲醛,TVOC)超标率为83.3%,随着使用时间延长,污染物浓度降低。车辆封闭时间越长,污染物浓度越高。汽车内使用香水、在汽车内吸烟、汽车清洗或喷漆都会使汽车车内的TVOC浓度增加。新车经过净化处理后,汽车车内空气污染物浓度显著降低。结论新车车内空气污染物浓度超标现象严重。建议出台标准设定汽车车内空气污染浓度的限值,合理控制车内空气通风系统,采取汽车车内空气净化措施,以保障驾乘人员的身体健康。

Survey of Air Pollution inside Cars

Objective To get knowledge of the air pollution situation inside the car caused by the automotive components and decorative materials and the major impacting factors, and to provide the basis for the development of the car air pollution control and countermeasures. Methods Thirty-five cars of different types and ages were selected from January to July 2008. The concentration of benzene series compounds, formaldehyde and TVOC was determined, a survey and analysis of air pollution inside the car was conducted...