Postmedia News

Environment Canada scientists have confirmed results published by researchers from the University of Alberta showing contaminants accumulating in the snow near oil sands operations, an internal federal document has revealed.

They also discovered contaminants in precipitation from testing in the region.

But the researchers were discouraged from speaking to reporters about their findings, first presented at a November 2011 conference in Boston of the Society of Environmental Toxicology and Chemistry, says the document, released to Postmedia News through access to information.

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