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Pollution control agency chooses cleanup plan for 3M Cottage Grove site

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The Minnesota Pollution Control Agency has chosen a plan to clean out contaminated soil and sediment at the 3M Cottage Grove site and prevent further spread of perfluorochemicals into the river.

The agency is recommending 3M enhance its groundwater pump-out system, which prevents solvents from migrating into the river, so that it also stops perfluorochemicals from getting into the river.

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