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Groundwater pollution due to a tailings dam

机译：尾矿坝对地下水的污染

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In 1982, the Oman Mining Company (OMC) commenced copper mining and smelting operations in the area of Sohar (Wadi Suq), Sultanate of Oman. Seawater was used for mining operations until 1993. During this period, 11 million tonnes of tailings had been deposited behind an unlined tailings darn. This has resulted in a major groundwater pollution problem.This paper presents results from investigation of groundwater pollution. Data pertaining to various parameters such as pH and TDS were obtained from the OMC. Most of the data were for a period of 12 years since 1984 and were gathered from an extensive network of field monitoring wells covering a distance of 14 km downstream of the tailings dam. The trends of groundwater pollution are presented with explanation. The issue of the existing remedial measures (cut-off trench for containment of the pollution source) is addressed briefly.
机译：1982年，阿曼矿业公司（OMC）在阿曼苏丹国苏哈尔（Wadi Suq）地区开始了铜矿开采和冶炼业务。直到1993年，海水一直用于采矿作业。在此期间，有1100万吨的尾矿被堆积在未衬砌的尾矿纱后面。这导致了一个主要的地下水污染问题。本文介绍了地下水污染调查的结果。从OMC获得与各种参数（例如pH和TDS）有关的数据。自1984年以来，大多数数据为期12年，是从尾矿坝下游14 km处广泛的现场监测井网收集的。解释了地下水污染的趋势。简要讨论了现有补救措施（遏制污染源的截止沟）的问题。

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