Assessment of polycyclic aromatic hydrocarbons in indoor and outdoor air of preschool environments (3-5 years old children)

被引：51

作者：

Oliveira, Marta ^{[1
]}

Slezakova, Klara ^{[1
,2
]}

Delerue-Matos, Cristina ^{[1
]}

Pereira, Maria do Carmo ^{[2
]}

Morais, Simone ^{[1
]}

机构：

[1] Inst Politecn Porto, Inst Super Engn Porto, REQUIMTE LAQV, P-4200072 Oporto, Portugal

[2] Univ Porto, Fac Engn, Dept Engn Quim, LEPABE, P-4200465 Oporto, Portugal

来源：

ENVIRONMENTAL POLLUTION | 2016年 / 208卷

关键词：

Indoor air; Preschools; Polycyclic aromatic hydrocarbons (PAHs); Indoor/outdoor (I/O); Health risks; PARTICULATE-BOUND PAHS; SOURCE APPORTIONMENT; VERTICAL-DISTRIBUTION; RISK-ASSESSMENT; HEALTH-RISK; VAPOR-PHASE; URBAN AIR; SCHOOL; EXPOSURE; MATTER;

D O I：

10.1016/j.envpol.2015.10.004

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

This work characterizes levels of polycyclic aromatic hydrocarbons (PAHs) in indoor and outdoor air of preschool environments, and assesses the respective risks for 3-5-years old children. Eighteen gaseous and particulate (PM1 and PM2.5) PAHs were collected indoors and outdoors during 63 days at preschools in Portugal. Gaseous PAHs accounted for 94-98% of total concentration (Sigma(PAHS)). PAHs with 5-6 rings were predominantly found in PM1 (54-74% particulate Ip pus). Lighter PAHs originated mainly from indoor sources whereas congeners with 4-6 rings resulted mostly from outdoor emissions penetration (motor vehicle, fuel burning). Total cancer risks of children were negligible according to USEPA, but exceeded (8-13 times) WHO health-based guideline. Carcinogenic risks due to indoor exposure were higher than for outdoors (4-18 times). (C) 2015 Elsevier Ltd. All rights reserved.

引用

页码：382 / 394

页数：13

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