期刊
JOURNAL OF ENVIRONMENTAL SCIENCES
卷 23, 期 9, 页码 1512-1517出版社
SCIENCE PRESS
DOI: 10.1016/S1001-0742(10)60589-X
关键词
polycyclic aromatic hydrocarbons; residential air; emission source
资金
- Zhejiang Provincial Natural Science Foundation of China [Y5100309, Z5100294]
- China Postdoctoral Science Foundation [20100471698]
- Zhejiang Provincial Education Department [Y201017541]
- Zhejiang Provincial Science and Technology Department [2010C33059]
- Grants-in-Aid for Scientific Research [22350070] Funding Source: KAKEN
Comparative studies on polycyclic aromatic hydrocarbon (PAH) pollution in residential air of Hangzhou (China) and Shizuoka (Japan) were conducted in summer (August, 2006) and winter (January, 2007). Total concentrations of 8 PAHs ranged from 7.1 to 320 ng/m(3) and 0.15 to 35 ng/m(3) in residential air of Hangzhou and Shizuoka, respectively. Air PAH concentrations in smoking houses were higher than that in nonsmoking houses. In nonsmoking houses, mothball emission and cooking practice were the emission sources of 2- and 3-ring PAHs in Hangzhou, respectively. The 2- and 3-ring PAHs were from use of insect repellent, kerosene heating and outdoor environment in nonsmoking houses in Shizuoka. The 5- and 6-ring PAHs in residential air were mainly from outdoor environment in both cities. Toxicity potencies of PAHs in residential air of Hangzhou were much higher than that in Shizuoka.
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