1. Department of Chemistry and Biochemistry, Florida International University, Miami, Florida 33199, Southeast Environmental Research Center, Florida International University, Miami, Florida 33199, Department of Civil, Architectural and Environmental Engineering, University of Miami, Coral Gables, Florida 33124, Everglades Research and Education Center, University of Florida, Belle Glade, Florida 33430, and Fort Lauderdale Research and Education Center, University of Florida, Ft. Lauderdale, Florida 33314