1. National High Magnetic Field Laboratory, Florida State University, Tallahassee, Florida 32310-4005, United States
2. Pontchartrain Institute for Environmental Sciences, University of New Orleans, New Orleans, Louisiana 70148, United States
3. Department of Chemistry, University of New Orleans, New Orleans, Louisiana 70148, United States
4. Research Center for Watershed-Aquatic Ecosystem Interactions (RIVE), Department of Environmental Sciences, Université du Québec à Trois-Rivières, Trois-Rivières, Québec G8Z 4M3, Canada
5. Southeast Environmental Research Center and Department of Chemistry and Biochemistry, Florida International University, Miami, Florida 33199, United States
6. Department of Earth, Ocean and Atmospheric Science, Florida State University, Tallahassee, Florida 32306, United States