1. Department of Chemistry and Biochemistry, Old Dominion University, 4541 Hampton Boulevard, Norfolk, Virginia 23529, United States
2. Coastal Plains Soil, Water, and Plant Research Center, Agricultural Research Service (ARS), United States Department of Agriculture (USDA), 2611 West Lucas Street, Florence, South Carolina 29501, United States
3. Environmental Laboratory, United States Army Corps of Engineers (USACE), 3909 Halls Ferry Road, Vicksburg, Mississippi 39180, United States