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http://dx.doi.org/10.5806/AST.2012.25.6.429

Tracking lead contamination sources of sediments in Lake Andong using lead isotopes  

Park, Jin-Ju (National Institute of Environmental Research of Environmental Research)
Kim, Ki-Joon (National Institute of Environmental Research of Environmental Research)
Yoo, Suk-Min (National Institute of Environmental Research of Environmental Research)
Kim, Eun-Hee (National Institute of Environmental Research of Environmental Research)
Seok, Kwang-Seol (National Institute of Environmental Research of Environmental Research)
Shin, Hyung Seon (Korea Basic Science Institute)
Kim, Young-Hee (National Institute of Environmental Research of Environmental Research)
Publication Information
Analytical Science and Technology / v.25, no.6, 2012 , pp. 429-434 More about this Journal
Abstract
The objective of this study was to identify Pb pollution sources of sediments in Lake Andong. We analysed Pb isotopes in sediments from Lake Andong, soils and mining tails from the watershed as well as sludges and wastewater from zinc smelting facilities which exists in upper stream of Lake Andong. The Pb isotope ratios ($^{207}Pb/^{206}Pb$ and $^{208}Pb/^{206}Pb$) for sediments are $0.827{\pm}0.004$ and $2.041{\pm}0.015$, which showed similar values with those of mining tails, $0.815{\pm}0.002$ and $2.016{\pm}0.006$, respectively. The isotopic ratio values of soils existed in the range of 0.756~0.881 and 1.872~2.187. In imported zinc ores, the isotopic ratio values existed in the range of 0.816~0.956 (mean 0.832) and 2.029~2.219 (mean 2.059). These values were similar to those in zinc and lead concentrate originated from Canada and South America. Additionally, isotopic ratio values for sludge and wastewater were $17.515{\pm}0.155$, $15.537{\pm}0.018$, and $37.357{\pm}0.173$, respectively. The Pb isotopic ratio of sediments showed binary combination patterns with soil and mining tails, which were similar to those for Korean Pb ore.
Keywords
lead isotope; source tracking; lake sediment; mining tails;
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