CBC News ·
Gretchen Lescord is studying the levels of chromium and arsenic in fish in northern Ontario. (Gretchen Lescord)
An environmental scientist in Sudbury is trying to figure out why contaminants are showing up in some northern Ontario fish.
Gretchen Lescord, an environmental scientist and post-doctoral fellow at Laurentian University in Sudbury, co-published a paper that suggests while mercury in northern fish is still the biggest concern …
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