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Hotline Complaint—Audit of the EPA Review of the PolyMet Mining Company's National Pollutant Discharge Elimination System Permit

Project #OA&E-FY19-0217, June 12, 2019

The OIG plans to begin an audit of a hotline complaint regarding Region 5's review of the PolyMet Mining Company's National Pollutant Discharge Elimination System (NPDES) permit.