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3M and PFC groundwater contamination in Minnesota
Cathy Wurzer and Tom Robertson

As walleye season opener approaches, new results from pollutant testing in area lakes

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Tests of fish from 9 of Minnesota's 10 largest walleye lakes show those lakes have little or no contamination from a class of pollutants called perfluorochemicals, or PFCs. State officials say PFCs are still a problem in some Twin Cities area lakes.

MPR's Cathy Wurzer spoke with reporter Tom Robertson from our Bemidji bureau about PFCs and a few other things happening in northern Minnesota.