Fish Testing Finds 9 Minn. Walleye Lakes PFC-Free

ST. PAUL, Minn. (AP) — Fish from nine of Minnesota’s 10 largest walleye lakes indicate those lakes have very little or no contamination from perfluorochemicals, or PFCs.

It was the first time nine of those lakes were tested for PFCs, although they had already been tested for mercury and had mercury limits in place. The lack of PFCs means advice on how much fish should be eaten from those lakes won’t change for PFCs.

Lake Pepin, Minnesota’s 10th largest walleye lake, previously had been tested and found to contain PFCs, which led to consumption recommendations. State officials began looking for PFCs in 2007 after they were discovered in fish caught in Lake Calhoun in the metro area.

PFCs are a class of chemicals that were used to make products that resist oil, stains and grease.

(© Copyright 2011 The Associated Press. All Rights Reserved. This material may not be published, broadcast, rewritten or redistributed.)

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