期刊
ENVIRONMENTAL SCIENCE & TECHNOLOGY
卷 43, 期 16, 页码 6326-6333出版社
AMER CHEMICAL SOC
DOI: 10.1021/es900714p
关键词
-
An investigation of the potential environmental and health impacts in the immediate aftermath of one of the largest coal ash spills in U.S. history at the Tennessee Valley Authority (TVA) Kingston coal-burning power plant has revealed three major findings. First, the surface release of coal ash with high levels of toxic elements (As = 75 mg/kg; Hg = 150 mu g/kg) and radioactivity (Ra-226 + Ra-228 = 8 pCi/g) to the environment has the potential to generate resuspended ambientfine particles (<10 mu m) containing these toxics into the atmosphere that may pose a health risk to local communities. Second, leaching of contaminants from the coal ash caused contamination of surface waters in areas of restricted water exchange, but only trace levels were found in the downstream Emory and Clinch Rivers due to river dilution. Third, the accumulation of Hg- and As-rich coal ash in river sediments has the potential to have an impact on the ecological system in the downstream rivers by fish poisoning and methylmercury formation in anaerobic river sediments.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据