1. Geochemistry and Water Team, Research and Innovation Center, National Energy Technology Laboratory (NETL), Pittsburgh, Pennsylvania, USA;
2. Oak Ridge Institute for Science and Education, Oak Ridge, Tennessee, USA;
3. U.S. Department of Agriculture, Agricultural Research Service, Roman L. Hruska U.S. Meat Animal Research Center, Clay Center, Nebraska, USA;
4. Department of Civil & Environmental Engineering & Earth Sciences, University of Notre Dame, South Bend, Indiana, USA