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作者:

Fan, Guangtao (Fan, Guangtao.) | Xie, Jingchao (Xie, Jingchao.) (学者:谢静超) | Yoshino, Hiroshi (Yoshino, Hiroshi.) | Zhang, Huibo (Zhang, Huibo.) | Li, Zhenhai (Li, Zhenhai.) | Li, Nianping (Li, Nianping.) | Liu, Jing (Liu, Jing.) | Lv, Yang (Lv, Yang.) | Zhu, Shengwei (Zhu, Shengwei.) | Yanagi, U. (Yanagi, U..) | Hasegawa, Kenichi (Hasegawa, Kenichi.) | Kagi, Naoki (Kagi, Naoki.) | Zhang, Xiaojing (Zhang, Xiaojing.) | Liu, Jiaping (Liu, Jiaping.) (学者:刘加平)

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摘要:

This paper presents concentrations of common SVOCs in house dusts from urban dwellings with schoolchildren in six typical Chinese cities in winter and summer. Among the detected SVOCs, DBP and DEHP have a higher detection rate. The levels of these two substances contribute an average proportion of over 90% of the total SVOCs' levels, and show a significant correlation in most cities. Based on measured concentrations, schoolchildren's non-dietary exposures to DBP and DEHP at homes are estimated. Due to a longer time spent in child's bedrooms, children's non-dietary exposures to phthalates in child's bedrooms are greatly higher than that in living rooms. As for DBP non-dietary exposure, the most significant pathway is dermal absorption from air, accounting for > 70%, whereas, the most predominant pathway for DEHP non-dietary exposure is dust ingestion, contributing from 61.5% to 91.9%. Based on estimated exposure doses, child-specific reproductive and cancer risk are assessed by comparing the exposure doses with DBP and DEHP benchmarks specified in California's Proposition 65. Owing to the high DBP exposure, nearly all of target schoolchildren appear to have a severe reproductive risk, although only non-dietary exposures at home are considered in this study. The average risk quotient of DBP exposure for child-specific MADL in all cities is 31.27 in winter and 10.35 in summer. Also, some schoolchildren are confronted with potential carcinogenic risk, because DEHP exposure exceeds child-specific NSRLs. The maximum DEHP exposure exceeds the cancer benchmark by over 6 times. These results also indicate that controlling indoor phthalates pollution at home is urgent to ensure the healthy development of children in China.

关键词:

Phthalates SVOCs Risk assessment House dust Exposure estimation Schoolchildren

作者机构:

  • [ 1 ] [Fan, Guangtao]Beijing Univ Technol, Beijing Key Lab Green Built Environm & Energy Eff, Beijing 100124, Peoples R China
  • [ 2 ] [Xie, Jingchao]Beijing Univ Technol, Beijing Key Lab Green Built Environm & Energy Eff, Beijing 100124, Peoples R China
  • [ 3 ] [Zhang, Xiaojing]Beijing Univ Technol, Beijing Key Lab Green Built Environm & Energy Eff, Beijing 100124, Peoples R China
  • [ 4 ] [Liu, Jiaping]Beijing Univ Technol, Beijing Key Lab Green Built Environm & Energy Eff, Beijing 100124, Peoples R China
  • [ 5 ] [Yoshino, Hiroshi]Tohoku Univ, Dept Architectural & Bldg Sci, Sendai, Miyagi, Japan
  • [ 6 ] [Zhang, Huibo]Shanghai Jiao Tong Univ Shanghai, Sch Naval Architecture Ocean & Civil Engn, Shanghai, Peoples R China
  • [ 7 ] [Li, Zhenhai]Tongji Univ, Sch Mech Engn, Shanghai, Peoples R China
  • [ 8 ] [Li, Nianping]Hunan Univ, Coll Civil Engn, Changsha, Hunan, Peoples R China
  • [ 9 ] [Liu, Jing]Harbin Inst Technol, Sch Municipal & Environm Engn, Harbin, Heilongjiang, Peoples R China
  • [ 10 ] [Lv, Yang]Dalian Univ Technol, Coll Civil Engn, Dalian, Peoples R China
  • [ 11 ] [Zhu, Shengwei]Huazhong Univ Sci & Technol, Sch Architecture & Urban Planning, Wuhan, Hubei, Peoples R China
  • [ 12 ] [Yanagi, U.]Kogakuin Univ, Sch Architecture, Tokyo, Japan
  • [ 13 ] [Hasegawa, Kenichi]Akita Prefectural Univ, Dept Architecture & Environm Syst, Akita, Japan
  • [ 14 ] [Kagi, Naoki]Tokyo Inst Technol, Sch Environm & Soc, Tokyo, Japan

通讯作者信息:

  • 谢静超

    [Xie, Jingchao]Room 3506,Environm & Chem Bldg,100 Pingleyuan, Beijing, Peoples R China

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来源 :

ENVIRONMENT INTERNATIONAL

ISSN: 0160-4120

年份: 2018

卷: 120

页码: 431-442

1 1 . 8 0 0

JCR@2022

ESI学科: ENVIRONMENT/ECOLOGY;

ESI高被引阀值:203

JCR分区:1

被引次数:

WoS核心集被引频次: 25

SCOPUS被引频次: 28

ESI高被引论文在榜: 0 展开所有

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