Endemic arsenosis caused by indoor combustion of high-As coal in Guizhou Province, PR China

被引：30
|
作者：
Zheng, BS [1 ]
Wang, BB
Ding, ZH
Zhou, DX
Zhou, YS
Zhou, C
Chen, CC
Finkelman, RB
机构：
[1] Acad Sinica, Inst Geochem, State Key Lab Environm Geochem, Guiyang 550002, Guizhou, Peoples R China
[2] Sanitat & Anti Epidem Stn Qianxinan Autonomous Pr, Xingyi 562400, Guizhou, Peoples R China
[3] US Geol Survey, Reston, VA 22092 USA
来源：
ENVIRONMENTAL GEOCHEMISTRY AND HEALTH | 2005年 / 27卷 / 5-6期
基金：
中国国家自然科学基金;
关键词：
arsenosis; high-As coal; indoor combustion of coal;
D O I：
10.1007/s10653-005-8624-x
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
The arsenic (As) content of coal relating with mineralization of gold in Southwest Guizhou Province, China is up to 35,000 ppm. The coal is burned indoors in open pits for daily cooking and crop drying. As a result, arsenic is precipitated and concentrated in corn (5-20 ppm), chili (100-800 ppm) and other foods. Arsenic concentrations in the drinking water of high-As coal areas are lower than 50 ppb. The estimated main sources of As exposure in this area are from polluted food. Approximately, 3000 arsenosis patients were found by 1998, and more than 100,000 people from six counties were under the threat in China. This paper presents the major ingestion pathway of this type arsenosis and relative geochemistry of high-As coal.
引用
收藏
页码：521 / 528
页数：8
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