The Ontario Ministry of the Environment, Conservation and ParksĀ has approved and issued an amended environmental compliance approval (ECA) for air and noise emissions at the PureGold mine, located in Red Lake, TSX-V- and LSE-listed Pure Gold Mining reported on Tuesday. The amended ECA sets out operating conditions relating to air and noise emissions for the PureGold mining and milling operations, including all ancillary and support processes and activities, at a production limit of up to 1 089 t/d of gold ore processed.