期刊
CHEMOSPHERE
卷 144, 期 -, 页码 1327-1333出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.chemosphere.2015.09.075
关键词
Short chain chlorinated paraffins; Organic films; Film-air partitioning
资金
- National Basic Research Program of China [2015CB453100]
- National Natural Science Foundation of China [21477141, 21222702, 21321004]
- Strategic Priority Research Program of the Chinese Academy of Science [XDB14010400, YSW2013B01]
Short-chain chlorinated paraffins (SCCPs) are a group of n-alkanes with carbon chain length of 10-13. In this work, paired indoor/outdoor samples of organic films on window glass surfaces from urban buildings in Beijing, China, were collected to measure the concentrations and congener distributions of SCCPs. The total SCCP levels ranged from 337 ng/m(2) to 114 mu g/m(2), with total organic carbon (TOC) normalized concentrations of 365 mu g/m(2)-365 mg/m(2). Overall, the concentrations of SCCPs on the interior films were higher than the concentrations on the exterior films, suggesting an important indoor environmental exposure of SCCPs to the general public. A significant linear relationship was found between the SCCP concentrations and TOC, with a correlation coefficient of R = 0.34 (p < 0.01). A film-air partitioning model suggests that the indoor gas-phase SCCPs are related to their corresponding window film levels. (C) 2015 Elsevier Ltd. All rights reserved.
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