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YAKIMA, Wash. - Wednesday, a federal judge in Yakima will consider a long-running case about cross border pollution in the Columbia River. The Colville Tribes and the state of Washington are trying to force cleanup of heavy metals dumped in the river for nearly a hundred years by a Canadian smelter.

Lawyers for Teck Metals, the Colville Tribes and state of Washington have agreed on some basic facts. Namely, that Teck's lead and zinc smelter in Trail, British Columbia dumped millions of tons of refining waste into the Columbia River between 1896 and 1995.