室内空气中多环芳烃的污染特征来源及影响因素分析.pdf

第 2 1 卷第 1 期 环 　境 　科 　学 　学 　报 Vol . 2 1 ,No . 1 200 1 年 1 月 AC TA SCIEN T IA E CIRCU M STAN T IA E J an . ,200 1 ( ) 文章编号 200 1 0 1006405 　　　中图分类号 :X13 12 　　　文献标识码 :A 室内空气中多环芳烃的污染特征 、来源及影响 因素分析 (浙江大学环境科学系 ,杭州 3 10028) 朱利中 , 刘勇建 　 ( 日本静冈县立大学) 松下秀鹤　 摘要 :采集并测定了杭州市 8 户家庭 中具有代表性的多环芳烃. 测得居民室 内空气中 12 种 PA Hs 平均浓度为 19 1 — 3 3 μ 29 08 g/ m ,BaP 浓度为 5～19ng/ m ,污染十分严重. 受季节及通风条件等的影响 ,室内空气中 PA Hs 浓度变化较大. 居民室 内空气中萘主要来源于卫生球的挥发 ,其余 PA Hs 主要来自燃烧 ,而BaP 主要来自室内吸烟. 关键词 :室内空气 ;多环芳烃 ;来源分析 Poll ution survey and source analysis of polycycl ic aromatic hydrocar bons in the indoor a ir ( ) ZHU Lizhong , L IU Yongjian 　Depart ment of Environmental Science , Zhejiang Universit y , Hangzhou 3 10028 ( Mat sushit a Hidet suru 　Division of Environmental Healt h Science , Graduate School of Nutritional and Environmental Science , Universit y of Shizuoka , J apan) Abstract :The concentrations of polycyclic aromatic hydrocarbons ( PAHs) in indoor air of eight homes in Hangzhou were studied to i dentify t he sources and measure t he amount s of twelve PAHs in t he summer and autumn The samples were collected from kitchens , living rooms , bedrooms and balconies of t he homes and analyzed by HPL C The average levels of total PAHs in indoor air were be 3 3 3 μ μ tween 19 1 g/ m and 29 08 g/ m , and average concentration of t he BaP was 5～19 ng/ m The PAHs pollution in t he indoor air was serious The variations of season and ventilation affected t he level of indoor ai