Ming operations are estimated to generate nearly 15-billion tonnes of tailings annually worldwide. Canada alone generates 500 million tonnes each year. The proper construction and maintenance of a tailings pond is expensive and-because it's not directly part of the process of extracting valuable metals-there has been a tendency to cut corners by some companies. However, innovative companies like Montreal, Quebec-based ITEC-Mineral provide cleanup services along with special metals extraction services that help to pay for the cleanup.
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