Human exposure pathways of heavy metals in a lead-zinc mining area, Jiangsu Province, China.

Heavy metal pollution is becoming a serious issue in developing countries such as China, and the public is increasingly aware of its adverse health impacts in recent years. We assessed the potential health risks in a lead-zinc mining area and attempted to identify the key exposure pathways. We evalu...

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Autores principales:	Chang-Sheng Qu, Zong-Wei Ma, Jin Yang, Yang Liu, Jun Bi, Lei Huang
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2012
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/f5c571a69a9f470f90851f6c45712b53
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spelling	oai:doaj.org-article:f5c571a69a9f470f90851f6c45712b532021-11-18T08:09:02ZHuman exposure pathways of heavy metals in a lead-zinc mining area, Jiangsu Province, China.1932-620310.1371/journal.pone.0046793https://doaj.org/article/f5c571a69a9f470f90851f6c45712b532012-01-01T00:00:00Zhttps://www.ncbi.nlm.nih.gov/pmc/articles/pmid/23152752/?tool=EBIhttps://doaj.org/toc/1932-6203Heavy metal pollution is becoming a serious issue in developing countries such as China, and the public is increasingly aware of its adverse health impacts in recent years. We assessed the potential health risks in a lead-zinc mining area and attempted to identify the key exposure pathways. We evaluated the spatial distributions of personal exposure using indigenous exposure factors and field monitoring results of water, soil, food, and indoor and outdoor air samples. The risks posed by 10 metals and the contribution of inhalation, ingestion and dermal contact pathways to these risks were estimated. Human hair samples were also analyzed to indicate the exposure level in the human body. Our results show that heavy metal pollution may pose high potential health risks to local residents, especially in the village closest to the mine (V1), mainly due to Pb, Cd and Hg. Correspondingly, the residents in V1 had higher Pb (8.14 mg/kg) levels in hair than those in the other two villages. Most of the estimated risks came from soil, the intake of self-produced vegetables and indoor air inhalation. This study highlights the importance of site-specific multipathway health risk assessments in studying heavy-metal exposures in China.Chang-Sheng QuZong-Wei MaJin YangYang LiuJun BiLei HuangPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 7, Iss 11, p e46793 (2012)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Chang-Sheng Qu Zong-Wei Ma Jin Yang Yang Liu Jun Bi Lei Huang Human exposure pathways of heavy metals in a lead-zinc mining area, Jiangsu Province, China.
description	Heavy metal pollution is becoming a serious issue in developing countries such as China, and the public is increasingly aware of its adverse health impacts in recent years. We assessed the potential health risks in a lead-zinc mining area and attempted to identify the key exposure pathways. We evaluated the spatial distributions of personal exposure using indigenous exposure factors and field monitoring results of water, soil, food, and indoor and outdoor air samples. The risks posed by 10 metals and the contribution of inhalation, ingestion and dermal contact pathways to these risks were estimated. Human hair samples were also analyzed to indicate the exposure level in the human body. Our results show that heavy metal pollution may pose high potential health risks to local residents, especially in the village closest to the mine (V1), mainly due to Pb, Cd and Hg. Correspondingly, the residents in V1 had higher Pb (8.14 mg/kg) levels in hair than those in the other two villages. Most of the estimated risks came from soil, the intake of self-produced vegetables and indoor air inhalation. This study highlights the importance of site-specific multipathway health risk assessments in studying heavy-metal exposures in China.
format	article
author	Chang-Sheng Qu Zong-Wei Ma Jin Yang Yang Liu Jun Bi Lei Huang
author_facet	Chang-Sheng Qu Zong-Wei Ma Jin Yang Yang Liu Jun Bi Lei Huang
author_sort	Chang-Sheng Qu
title	Human exposure pathways of heavy metals in a lead-zinc mining area, Jiangsu Province, China.
title_short	Human exposure pathways of heavy metals in a lead-zinc mining area, Jiangsu Province, China.
title_full	Human exposure pathways of heavy metals in a lead-zinc mining area, Jiangsu Province, China.
title_fullStr	Human exposure pathways of heavy metals in a lead-zinc mining area, Jiangsu Province, China.
title_full_unstemmed	Human exposure pathways of heavy metals in a lead-zinc mining area, Jiangsu Province, China.
title_sort	human exposure pathways of heavy metals in a lead-zinc mining area, jiangsu province, china.
publisher	Public Library of Science (PLoS)
publishDate	2012
url	https://doaj.org/article/f5c571a69a9f470f90851f6c45712b53
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Human exposure pathways of heavy metals in a lead-zinc mining area, Jiangsu Province, China.

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