When I was in Corner Brook last year I noticed the smoke from the mill was white. I was told that it's much better than it used to be. I didn't notice any odor either. But, then I don't live there.
This is a bit off-topic, but if you are from Corner brook you might find it interesting, a PDF file about the planning and history of the townsite:
http://www.heritagefoundation.ca/docs/townsite.pdf
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