EPA concerns regarding Polymet copper-nickel mining in Minnesota are now public because of the document request from Betty, legal action from WaterLegacy, and the work of dedicated #EPA officials.http://www.startribune.com/federal-watchdog-opens-inquiry-into-how-the-epa-handled-minnesota-pollution-permit/511333592/ …
"The written comments note that the permit would 'authorize discharges that would exceed Minnesota’s federally-approved human health and/or aquatic life water quality standards for mercury, copper, arsenic, cadmium, and zinc.'” #Polymet