Potential health risk in areas of high natural concentrations of thallium and importance of urine screening

There is a lack of information in the literature regarding Tl exposure from naturally occurring Tl enrichment. This paper draws attention to the potential health risk posed by high concentrations of naturally occurring Tl in the environment. The inhabitants of a rural area in SW Guizhou Province, Ch...

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Bibliographic Details
Published in:Applied geochemistry 2007-05, Vol.22 (5), p.919-929
Main Authors: Xiao, Tangfu, Guha, Jayanta, Liu, Cong-Qiang, Zheng, Baoshan, Wilson, Graham, Ning, Zengping, He, Libin
Format: Article
Language:English
Subjects:
Earth sciences
Earth, ocean, space
Engineering and environment geology. Geothermics
Exact sciences and technology
Metal geology
Metallic and non-metallic deposits
Pollution, environment geology
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Summary:There is a lack of information in the literature regarding Tl exposure from naturally occurring Tl enrichment. This paper draws attention to the potential health risk posed by high concentrations of naturally occurring Tl in the environment. The inhabitants of a rural area in SW Guizhou Province, China, reside within a natural Tl accumulated environment resulting from Tl-rich sulfide mineralization, and they face ongoing severe Tl exposure. High Tl concentrations were detected in urine of the local residents. Urinary Tl concentrations are as high as 2668 μg/L, with most subjects surpassing the accepted world urinary Tl concentration at
ISSN:0883-2927
1872-9134
DOI:10.1016/j.apgeochem.2007.02.008