期刊
ENVIRONMENTAL GEOCHEMISTRY AND HEALTH
卷 30, 期 6, 页码 577-588出版社
SPRINGER
DOI: 10.1007/s10653-008-9179-4
关键词
China; GIS mapping; Lead etiology; Lead isotope composition; Urban geochemistry; USA
The danger to health, especially of young children, from lead-bearing particulates in the surface environment is still a valid concern. Given the multifaceted uses of lead today as well as historically, the sources of lead must be investigated to distinguish the etiology of lead contamination on the environment. The lead isotope finger printing technique based on isotopic ratio analyses (IRA) is one of the methods used commonly for provenancing lead sources in environmental studies throughout the world. This technique, however, has some inherited shortcomings. Therefore, caution must be used in the interpretation of the results, as this technique can lead to overestimations as well as underestimations of the true source etiology/apportionment of lead in specific environments. This paper illustrates this with some examples. Data on geographical information systems (GIS) mapping in urban regions are also presented in this paper.
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