期刊
SCIENCE OF THE TOTAL ENVIRONMENT
卷 691, 期 -, 页码 584-594出版社
ELSEVIER
DOI: 10.1016/j.scitotenv.2019.07.168
关键词
VMSs; PCPs; Indoor air; Indoor dust; Emission sources; Human exposures
资金
- Vietnam National Foundation for Science and Technology Development (NAFOSTED) [104.01-2018.314]
Siloxanes are organo-silicon compounds containing Si-O-Si linkages and methyl branches. Depending on the structure, siloxanes can be divided into cyclic and linear compounds. Methyl siloxanes with small and medium molecular weights (molecular weights less than 500 g mol(-1)), are volatile under normal conditions, and hence are referred to as volatilemethyl siloxanes (VMSs). VMSs are additive ingredients in many products such as plastics, rubber, personal care products, and household items. This review provides information on the distribution of VMSs in consumer products, indoor air and dust, and their implications for human exposure. VMSs have been used in personal care products and household items at concentrations on the order of hundreds to thousands of micrograms per gram which are the main sources of contamination in the indoor environments. VMSs have been found widely in indoor air and dust. A significant correlation existed between VMS concentrations in indoor air and dust. Among typical VMSs, dodecamethylcylcopentasiloxane (D5) is the major compound found in indoor environments. The human exposure doses to VMSs through dermal absorption, dust ingestion, and inhalation were compiled; Inhalation is a dominant pathway of exposure to VMSs, especially in indoor environments of occupational settings like hair salons. The human exposure doses were higher in children than in adults. (c) 2019 Elsevier B.V. All rights reserved.
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