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DNR study finds coho, chinook salmon from Lake Michigan safer to eat

MADISON, WI (WTAQ) - It's safer than it used to be to eat coho and chinook salmon from Lake Michigan.

A new study by the state DNR shows that levels of cancer-causing PCB's have dropped from those fish ever since the industrial chemical was banned in the late 1970's.

In the Journal of Great Lakes Research, DNR scientists said PCB's on the skins of coho salmon dropped by 24 percent from 1975 through '86, while the contaminant levels fell by 17 percent in chinook.

Since then, the PCB levels have kept dropping -- but not nearly as fast.

State resource officials still advise people to limit their intake of coho and chinook salmon to one meal a month. That, too, is better than it was before 2012 -- when the DNR advised folks to only eat chinook salmon six times a year.

(Story courtesy of Wheeler News Service)