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Associations of phthalate concentrations in floor dust and multi-surface dust with the interior materials in Japanese dwellings

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Title: Associations of phthalate concentrations in floor dust and multi-surface dust with the interior materials in Japanese dwellings
Authors: Ait Bamai, Yu Browse this author
Araki, Atsuko Browse this author →KAKEN DB
Kawai, Toshio Browse this author
Tsuboi, Tazuru Browse this author
Saito, Ikue Browse this author
Yoshioka, Eiji Browse this author →KAKEN DB
Kanazawa, Ayako Browse this author →KAKEN DB
Tajima, Shuji Browse this author
Shi, Cong Browse this author
Tamakoshi, Akiko Browse this author →KAKEN DB
Kishi, Reiko Browse this author →KAKEN DB
Keywords: Phthalates
House dust
Interior materials
Issue Date: 15-Jan-2014
Publisher: Elsevier science bv
Journal Title: Science of the total environment
Volume: 468
Start Page: 147
End Page: 157
Publisher DOI: 10.1016/j.scitotenv.2013.07.107
PMID: 24012901
Abstract: Phthalates are widely used as plasticizers in numerous products. However, there has been some concern about the various effects they may have on human health. Thus, household phthalate levels are an important public health issue. While many studies have assessed phthalate levels in house dust, the association of these levels with building characteristics has scarcely been examined. The present study investigated phthalate levels in house dust samples collected from the living areas of homes, and examined associations between these phthalate levels and the interior materials. Dust was collected from two portions of the living area: floor dust from the entire floor surface, and multi-surface dust from objects more than 35 cm above the floor. The levels of seven phthalates were measured using gas chromatography/mass spectrometry in selective ion monitoring mode. Phthalate levels were higher in multi-surface dust than in floor dust Among floor dust samples, those from dwellings with compressed wooden flooring had significantly higher levels of di-iso-butyl phthalate compared to those with other floor materials, while polyvinyl chloride (PVC) flooring was associated with higher di-2-ethylhexyl phthalate (DEHP) levels. Among multi-surface dust samples, higher levels of DEHP and di-iso-nonyl phthalate (DINP) were found in samples from homes with PVC wallpaper than without The number of PVC interior materials was significantly positively correlated with the levels of DEHP and DINP in multi-surface dust. The phthalate levels in multi-surface dust were associated with the interior surface materials, and those in floor dust were directly related to the flooring materials. Our findings show that when using house dust as an exposure assessment, it is very important to note where the samples were collected from. The present report provides useful information about the association between phthalates and dust inside dwellings, which will assist with establishing public health provisions. (C) 2013 Published by Elsevier B.V.
Type: article (author version)
Appears in Collections:環境健康科学研究教育センター (Center for Environmental and Health Sciences) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: アイツバマイ ゆふ

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