期刊
SCIENCE OF THE TOTAL ENVIRONMENT
卷 719, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.scitotenv.2020.136965
关键词
Phthalate acid esters (PAEs); Indoor sources; Modern life; Urban-rural disparities; Rich-poor grade
资金
- National Key Research and Development Program of China [2017YFC0702700]
- National Natural Science Foundation of China [21207097]
- Natural Science Foundation of Tianjin City [16JCYBJC22700]
Phthalates are SVOCs (Semi-volatile Organic Compounds) that are widely used in industrial and daily home products. This study aimed to investigate exposure levels to phthalates in Chinese homes and to relate these to building characteristics and lifestyles. Dust in 399 homes of 410 children in urban Tianjin and rural Cangzhou was analyzed for concentrations of six target phthalates. The median concentrations were 0.31 mu g/g for diethyl phthalate (DEP), 16.39 mu g/g for di-isobutyl phthalate (DiBP), 42.60 mu g/g for di-n-butyl phthalate (DnBP), 0.10 mu g/g for benzyl butyl phthalate (BBzP), 127.1 mu g/g for di (2-ethylhexyl) phthalate (DEHP) and 0.28 mu g/g for diisononyl phthalate (DiNP). Strong associations were found between modern flooring materials (laminated wood/wood) and concentrations of DiBP, BBzP and DiNP; modern window frame (aluminum/plastic steel) and BBzP concentration; leather polish and DEHP concentration; perfume and DEP concentration. Concentrations of phthalates were significantly higher in Tianjin urban homes than Cangzhou rural homes. Concentrations of phthalates increased significantly with increasing household income. Our study indicates that exposure to phthalates in Chinese homes increases with attributes of modem life. (C) 2020 Elsevier B.V. All rights reserved.
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