Abstract：
:The cancer risks (CR) by oral ingestion, dermal absorption, and inhalation exposure of trihalomethanes (THM) from tap water of ten districts in Fortaleza, Brazil were estimated. The mean levels of THM compounds were obtained in Fortaleza tap water as follow: 63.9 microg L(-1) for chloroform (CHCl(3)), 40.0 microg L(-1) for bromodichloromethane (CHBrCl(2)), and 15.6 microg L(-1) for dibromochloromethane (CHBr(2)Cl). Bromoform (CHBr(3)) was not detected. The mean CR for THMs in tap water is 3.96 x 10(-4). The results indicate that Fortaleza residents have a higher CR by inhalation than dermal absorption and oral ingestion. The CR for CHCl(3) contributes with 68% as compared with the total CR, followed by CHBrCl(2) (21%), and CHBr(2)Cl (11%). The hazard index (HI) is about ten times lower than unity, not indicating non-cancer effects.
journal_name
Environ Monit Assessjournal_title
Environmental monitoring and assessmentauthors
Viana RB,Cavalcante RM,Braga FM,Viana AB,de Araujo JC,Nascimento RF,Pimentel ASdoi
10.1007/s10661-008-0273-ysubject
Has Abstractpub_date
2009-04-01 00:00:00pages
317-25issue
1-4eissn
0167-6369issn
1573-2959journal_volume
151pub_type
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journal_title：Environmental monitoring and assessment
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