Teck confesses to a century of US river pollution

Teck Resources Ltd. (TSX:TCK.A) has confessed to polluting the upper reaches of Columbia River in Washington State for nearly a century with effluent discharge from one of its BC-situated smelters.....
The Colville Confederated Tribes filed a lawsuit against Teck eight years ago claiming the company has dumped 140,000 tons of slag directly into the river, polluting the surface water, ground water and sediment of the upper Columbia River and Lake Roosevelt with hazardous metals including arsenic, cadmium, mercury, lead, copper and zinc.
http://www.mining.com/teck-confesses-to-a-century-of-us-river-pollution-22974/