All Pennsylvania fish have mercury contamination. New study finds toxic levels in pristine areas.

"A new government study has found that, even in the pristine waters of western national parks, fish can carry enough mercury to endanger wildlife and, in some cases, people.

Scientists from the U.S. Geological Service and the National Park Service teamed up to sample fish in 21 national parks found that even fish in regions as remote as Glacier National Park and Alaska high levels of mercury."

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BOZEMAN DAILY CHRONICLE

Park study finds high levels of mercury in fish

By LAURA LUNDQUIST, Chronicle Staff Writer

Posted: Wednesday, April 16, 2014 8:00 pm

WHAT YOU CAN AND CAN'T EAT FROM PENNSYLVANIA WATERS: