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Published March 13, 2014, 10:28 AM

Decision on Minn. sulfate wild rice limit could be year away

The Minnesota Pollution Control Agency on Wednesday released its preliminary findings on how much sulfate pollution is too much for wild rice, saying a two-year, $1.5 million field and laboratory study shows sulfate above 4 to 16 parts per million can produce a chain reaction in the ecosystem that harms wild rice.

By: John Myers, Forum News Service

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