The pollution of heavy metals from coal mine spoils piled perennially in diggings soil in Huainan where have been exploited for more than 100 years was studied.
以开采历史达百年煤炭城市-淮南矿区为例，研究煤矸石长期堆积对矿区土壤造成的重金属污染。
On the basis of case studies on coal waste spoils in coal mine for groundwater pollution, the influence factors of groundwater vulnerability have been analyzed.
结合采煤矿区地下水污染的实际情况，分析了地下水脆弱性的影响因素，采用数学模型和DRASIC评价指标体系法对矿区地下水脆弱性进行初步研究。
应用推荐