Emily Zlevor¹, Lorena Estrada-Martínez¹, Daniel J Brabander², Karen Johannesson³, Helen C Poynton¹, Peng Ho⁴, Valeria Hernandez Talavera¹, Liz Diaz Vazquez⁵, Kiani Melendez-Mateo⁶ and Robert F Chen¹, (1)University of Massachusetts Boston, Boston, United States, (2)Wellesley College, Geosciences, Wellesley, MA, United States, (3)University of Massachusetts Boston, School for the Environment, Boston, United States, (4)University of Massachusetts Boston, Environmental Analytical Facility, Boston, United States, (5)University of Puerto Rico Rio Piedras Campus, Chemistry, San Juan, United States, (6)University of Massachusetts Boston, Vieques, Puerto Rico, United States