期刊
ANALYTICAL LETTERS
卷 48, 期 4, 页码 726-737出版社
TAYLOR & FRANCIS INC
DOI: 10.1080/00032719.2014.940531
关键词
Heavy metal; Mining activities; Huainan; Health risk; Distribution
资金
- Science and Technology Plan Projects of Huainan [2013A4205]
The environmental and health hazards posed by heavy metals are significant due to their toxicity and bioavailability. Thirty-two soil samples were collected from residential areas around three coal mines and a power plant to assess the environmental and health implications caused by mining activities. The concentrations of heavy metals in soil were determined by inductively coupled plasma mass spectrometry. To evaluate the risk levels, the geo-accumulation index and health risk assessment were determined. The concentrations of metals in power plant soil were generally higher than those in coal mine soil, suggesting a higher release during coal combustion. The results demonstrate that the soils in the vicinity of Xinzhuangzi Mine and Luohe Power Plant are moderately contaminated by arsenic and cadmium. The analysis of the health risk of the metals indicated that the non-carcinogenic and carcinogenic adverse effects to residents due to heavy metal exposure are negligible. However, more attention should be paid around the power plant for the unacceptable level of carcinogenic risk. Based on the results of the environmental and health risk assessment, priority control components in Huaian have been identified. The study provides a comprehensive assessment of soil heavy metal implications derived from mining activity in this region in China and is helpful for pollution control and environmental management.
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